CN105276648A - Extractor hood and control method thereof - Google Patents
Extractor hood and control method thereof Download PDFInfo
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- CN105276648A CN105276648A CN201510676609.5A CN201510676609A CN105276648A CN 105276648 A CN105276648 A CN 105276648A CN 201510676609 A CN201510676609 A CN 201510676609A CN 105276648 A CN105276648 A CN 105276648A
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Abstract
The invention discloses an extractor hood and a control method of the extractor hood. The extractor hood comprises a core control panel, a mechanical key plate, a touch screen, a wireless communication module, a smoke detection device, a harmful gas detection device, an illumination lamp, a draught fan and an air purifying device, wherein the mechanical key plate, the touch screen, the wireless communication module, the smoke detection device, the harmful gas detection device, the illumination lamp, the draught fan the and the air purifying device are connected with the core control panel. The wireless communication module is connected with a mobile terminal in a wireless communication manner to receive control signals sent by the movable terminal. The core control panel is used for controlling one or more of the illumination lamp, the draught fan and the air purifying device through control signals input by one or more of the mechanical key plate, the touch screen and the wireless communication module and transmitting smoke and harmful gas concentration information collected by the smoke detection device and harmful gas detection device to the touch screen or transmitting the smoke and harmful gas concentration information to the mobile terminal for display. Due to the adoption of the extractor hood and the control method, air in a kitchen can be purified during cooking, health of users is guaranteed, and operation intelligence of the extractor hood is achieved.
Description
Technical field
The present invention relates to field of kitchen electric appliance equipment technical field, particularly the control method of a kind of range hood and range hood.
Background technology
That pursues domestic environment along with people improves constantly, progressively payes attention to healthy kitchen environment, and modern kitchen not only should have the function of conventional kitchen culinary art, and should more intelligent, hommization.But existing most of kitchen environment still exists many drawbacks, various harmful substance exceeds standard, and during culinary art, the problems such as smokescope is excessive still annoying user.Meanwhile, how to manipulate cooking apparatus more easily, improve user in the efficiency of culinary cuisine for intelligent while user's purifying air in kitchen, become problem demanding prompt solution.
Summary of the invention
In view of the above problems, the present invention is proposed to provide a kind of control method overcoming the problems referred to above or a kind of range hood solved the problem at least in part and range hood.
First aspect, embodiments provide a kind of range hood, this range hood comprises: core control panel and the mechanical key plate, touch-screen, wireless communication module, mist detecting device, harmful gas detecting device, illuminating lamp, blower fan and the air cleaning unit that are connected with described core control panel respectively; Wherein:
Described wireless communication module, for being connected with mobile terminal by communication, receives the control signal that described mobile terminal sends;
Described core control panel, for the control signal according to the one or more inputs in mechanical key plate, touch-screen and wireless communication module, one or more in illuminating lamp, blower fan, air cleaning unit are controlled, and the concentration information of the smog described mist detecting device, harmful gas detecting device collected and pernicious gas sends described touch-screen to or sends mobile terminal to by wireless communication module and shows.
Further, described harmful gas detecting device, comprise following one or more: phenols/gaseous aldehyde sensor, PM2.5 air quality detector, CO gas detector;
Described air cleaning unit comprise following one or more: plasma apparatus, ultraviolet lamp.
Further, described core control panel, comprising: control panel and core board; Described control panel is connected with mechanical key plate, mist detecting device, harmful gas detecting device, illuminating lamp, air cleaning unit and blower fan respectively; Described core board is connected with control panel and touch-screen respectively; Described wireless communication module is integrated in described core board;
Correspondingly, described core board, for sending the control signal of touch-screen and wireless communication module input to described control panel, and the concentration information of the smog transmitted by described control panel and pernicious gas sends touch-screen to or sends mobile terminal to by wireless communication module and shows;
Correspondingly, described control panel, for the control signal sent according to mechanical key plate and described core board, one or more in illuminating lamp, blower fan, air cleaning unit are controlled, and the concentration information of the smog described mist detecting device, harmful gas detecting device collected and pernicious gas sends to described core board.
Further, described control panel, also for when blower fan and air cleaning unit are not opened, monitor described mist detecting device, the smog of harmful gas detecting device collection and the concentration information of pernicious gas, compared with the concentration threshold preset, when the concentration information of smog and pernicious gas is greater than corresponding concentration threshold, open command and Boiler pressure control instruction is sent to described blower fan, and open air cleaning unit, and send concentration information and the warning information of smog and pernicious gas to core board and described wireless communication module;
Correspondingly, described core board, also sends touch-screen to for the concentration information of the smog that sent by control panel and pernicious gas and warning information and carries out showing or sending wireless communication module to;
Correspondingly, described wireless communication module, also sends mobile terminal for the concentration information of the smog that sent by control panel and pernicious gas and warning information to by wireless network.
Further, described control panel, also for when receiving the control signal of the input of the two or more in described mechanical key plate, touch-screen and wireless communication module, according to the priority of described control signal input time and/or according to described mechanical key plate, priority height between touch-screen and wireless communication module, determine the one or more control signal sent in illuminating lamp, blower fan, air cleaning unit.
Further, described core board, one or more also for by following information, is sent to network side Cloud Server by wireless communication module:
The concentration information of smog and pernicious gas;
The On/Off information of illuminating lamp, blower fan, air cleaning unit;
The air quantity information of blower fan.
Further, described range hood also comprises: loudspeaker; Described loudspeaker is connected with described core board;
Correspondingly, described touch-screen, also for receiving the network audio-video play instruction of user's input, and sends described instruction to described core board;
Correspondingly, described core board, also for described network audio-video play instruction is sent to network side Cloud Server by described wireless communication module, and receive the network audio-video information that described Cloud Server returns, play by described loudspeaker and/or touch-screen.
Further, described core board also comprises a start button; Described start button controls the unlatching of described core board, reset and cut out.
Further, described control panel also comprises a power module of powering for described control panel, and described power module is overall package.
Further, described wireless communication module, comprises following one or more:
WIFI module, public mobile network communication module, bluetooth module, near-field communication module.
Second aspect, the embodiment of the present invention additionally provides a kind of control method of range hood, comprising:
Receive the control signal of one or more inputs of the mechanical key plate of range hood, touch-screen and wireless communication module;
The concentration information of the smog that the mist detecting device of reception range hood and harmful gas detecting device collect and pernicious gas;
According to the control signal of one or more inputs of the mechanical key plate of described range hood, touch-screen and wireless communication module, one or more in the illuminating lamp of range hood, blower fan, air cleaning unit are controlled;
By the concentration information of described smog and pernicious gas by the touch-screen display of described range hood or send mobile terminal to by wireless communication module and show.
The technical scheme that the embodiment of the present invention provides can comprise following beneficial effect:
In the control method of the range hood that the embodiment of the present invention provides and range hood, the mechanical key plate that range hood comprises core control panel and is connected with core control panel, touch-screen, wireless communication module, mist detecting device, harmful gas detecting device, illuminating lamp, blower fan and air cleaning unit, user is by mechanical key plate, touch-screen and mobile terminal send control signal to range hood, and the core control panel of range hood is according to mechanical key plate, the control signal that touch-screen and mobile terminal send, controls the blower fan of range hood, illuminating lamp and air cleaning unit, also can by mist detecting device, the concentration information of the smog that harmful gas detecting device collects and pernicious gas is shown to user by touch-screen or mobile terminal, reduces the smog that user produces in cooking process, pernicious gas, has purified the air in kitchen, and while having ensured the health of user, achieve the intellectuality of range hood manipulation, user can manipulate range hood in many ways, is remote opening, close the human nature service such as range hood and provide possibility, improve the efficiency of user in culinary cuisine, improve the experience of user to range hood.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write description, claims and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
The structural representation of the range hood that Fig. 1 provides for the embodiment of the present invention;
The another structural representation of the range hood that Fig. 2 provides for the embodiment of the present invention;
The another structural representation of the range hood that Fig. 3 provides for the embodiment of the present invention;
The touch screen interface figure of the range hood that Fig. 4 provides for the embodiment of the present invention;
The circuit diagram of power circuit in the control panel that Fig. 5 provides for the embodiment of the present invention;
The another circuit diagram of power circuit in the control panel that Fig. 6 provides for the embodiment of the present invention;
The structural representation of an example of the range hood that Fig. 7 provides for the embodiment of the present invention;
The flow chart of the control method of the range hood that Fig. 8 provides for the embodiment of the present invention.
Detailed description of the invention
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
First the structure of the range hood that the embodiment of the present invention provides is described in detail below.
The range hood that the embodiment of the present invention provides, as shown in Figure 1, comprising: core control panel 11 and the mechanical key plate 12, touch-screen 13, wireless communication module 14, mist detecting device 15, harmful gas detecting device 16, illuminating lamp 17, blower fan 18 and the air cleaning unit 19 that are connected with core control panel 11 respectively; Wherein:
Wireless communication module 14, for being connected with mobile terminal by communication, the control signal that mobile terminal receive sends;
Core control panel 11, for the control signal according to the one or more inputs in mechanical key plate 12, touch-screen 13 and wireless communication module 14, one or more in illuminating lamp 17, blower fan 18, air cleaning unit 19 are controlled, and the concentration information of mist detecting device 15, smog that harmful gas detecting device 16 collects and pernicious gas is sent to touch-screen or sends mobile terminal to by wireless communication module shows.
Above-mentioned mobile terminal can be mobile phone, panel computer or other portable terminals, these mobile terminals by the startup of the blower fan 18 of wireless network Long-distance Control range hood, illuminating lamp 17 and air cleaning unit 19 and closedown, can realize the Based Intelligent Control of range hood.
The above-mentioned range hood that the embodiment of the present invention provides, the mechanical key plate comprising core control panel and be connected with core control panel, touch-screen, wireless communication module, mist detecting device, harmful gas detecting device, illuminating lamp, blower fan and air cleaning unit, user is by mechanical key plate, touch-screen and mobile terminal send control signal to range hood, and core control panel is according to mechanical key plate, the control signal that touch-screen and mobile terminal send, controls the blower fan of range hood, illuminating lamp and air cleaning unit, also can by mist detecting device, the concentration information of the smog that harmful gas detecting device collects and pernicious gas is shown to user by touch-screen or mobile terminal, reduces the smog that user produces in cooking process, pernicious gas, has purified the air in kitchen, and while having ensured the health of user, achieve the intellectuality of the manipulation of range hood, user can manipulate range hood in many ways, is remote opening, close the human nature service such as range hood and provide possibility, improve the efficiency of user in culinary cuisine, improve the experience of user to range hood.
Further, above-mentioned harmful gas detecting device 16, can comprise one or more devices following: phenols/gaseous aldehyde sensor, PM2.5 air quality detector, CO gas detector etc.The kind of the pernicious gas that the kind of above-mentioned harmful gas detecting device can produce according to general household kitchen is arranged, and can arrange one or more.The embodiment of the present invention is not limited to the above-mentioned several harmful gas detecting devices enumerated.
In embodiments of the present invention, mist detecting device 15 can adopt Smoke Sensor to have high sensitivity to organic volatile gases such as smog.
Correspondingly, above-mentioned air cleaning unit 19 can comprise following one or more: plasma apparatus, ultraviolet lamp etc.
Plasma apparatus and plasma air purification equipment, the principle of plasma apparatus is generally by discharge mode, is ionized by air, under electric field action, produce a large amount of small ion groups in atmosphere, the oxygen molecule in small ion and air carries out colliding and forming positive negative oxygen ion.Positive oxonium ion has very strong activity, the pollution factors such as methyl mercaptan, ammonia, hydrogen sulfide can be decomposed at extremely short time internal oxidition, and open the chemical chain of organic matter escaping gas, final generation carbon dioxide and water after a series of reaction, meanwhile, positive oxonium ion can destroy the living environment of bacterium in air, and bacterium and spore are lost activity, anti-bacteria and sporogenesis, thus reduce indoor bacteria concentration.Negative oxygen ion can adsorb the suspended particulate being greater than own wt tens times, settles down by deadweight, thus in removing air, suspension colloid (aerosol) reaches the object purified air.
Ultraviolet lamp can produce ultraviolet, the ultraviolet radiation of high strength make virus, germ protein denaturation thus lose activity, the effect of sterilization can be produced equally, purify air.
The range hood that the embodiment of the present invention provides is not limited to above-mentioned several air cleaning unit, can produce and purify air, and the device improving air quality effect all can.
In one embodiment, as shown in Figure 2, the core control panel of range hood can be divided into two pieces of circuit boards, that is: control panel 111 and core board 112, control panel 111 is connected with mechanical key plate 12, mist detecting device 15, harmful gas detecting device 16, illuminating lamp 17, air cleaning unit 19 and blower fan 18 respectively;
Core board 112 is connected with control panel 111 and touch-screen 13 respectively; Wireless communication module 14 is integrated in core board 112;
Core board 112, control signal for touch-screen 13 and wireless communication module 14 being inputted sends control panel 111 to, and the concentration information of the smog transmitted by control panel 111 and pernicious gas sends touch-screen 13 to and shows or send mobile terminal to by wireless communication module 14 and show;
Control panel 111, for the control signal sent according to mechanical key plate 12 and core board 112, one or more in illuminating lamp 17, blower fan 18, air cleaning unit 19 are controlled, and the concentration information of mist detecting device 15, smog that harmful gas detecting device 16 collects and pernicious gas is sent to core board 112.
In the above-described embodiments, can be connected by communication cable between control panel 111 and core board 112.
Above-mentioned mist detecting device 15, harmful gas detecting device 16, the Monitoring Data of digital signal form can be sent to control panel by universal asynchronous sending/receiving (UniversalAsynchronousReceiver/Transmitter, UART) agreement by such as phenols/gaseous aldehyde sensor, PM2.5 air quality detector, CO gas detector etc.
In embodiments of the present invention, benefit control panel 111 and core board 112 being split up into two independently circuit boards is, part functional independence core control panel and touch-screen 13 communicated with wireless communication module 14 out, blower fan 18 will be controlled by mechanical key plate 12, illuminating lamp 17, plasma apparatus, the range hood Core Features such as ultraviolet lamp are retained in control panel 111, once touch-screen 13 or the external communication broke down of wireless communication module 14, can by core board 112 restart or the operation such as closedown recovers or temporarily stops these functions, and do not affect the Core Feature of range hood, the reliability controlled due to mechanical button on mechanical key plate 12 is higher than the touch-screen 13 and radio communication control mode that are realized by electronics mode, therefore, even if the correlation function of core board 112 breaks down, also range hood normally will be used to impact to user, improve the reliability of range hood work.
Based on this, need to arrange a start button in the core board 112 of range hood, this start button is in order to control the unlatching of described core board 112, reset and cut out.
Further, above-mentioned control panel 111, when also not opening for blower fan 18 and air cleaning unit 19, monitoring mist detecting device 15, the smog of harmful gas detecting device 16 collection and the concentration information of pernicious gas, compared with the concentration threshold preset, when the concentration information of smog and pernicious gas is greater than corresponding concentration threshold, open command and Boiler pressure control instruction is sent to blower fan 18, and open air cleaning unit 19, and send concentration information and the warning information of smog and pernicious gas to core board 112 and wireless communication module 14;
Correspondingly, above-mentioned core board 112, also sends touch-screen 13 to for the concentration information of the smog that sent by control panel 111 and pernicious gas and warning information and carries out showing or send to wireless communication module 14;
Wireless communication module 14, also sends mobile terminal for the concentration information of the smog that sent by control panel and pernicious gas and warning information to by wireless network.
So that range hood to arrange mist detecting device, methylene oxide detecting instrument, PM2.5 air quality detector is example, the embodiment of the present invention can preset smog, the higher limit (i.e. threshold value) of formaldehyde and PM2.5 air quality concentration, when user does not open blower fan and air cleaning unit, can by the concentration of the smog in the air that real-time monitors, the concentration of formaldehyde and PM2.5 compares with each higher limit preset, adopt multiple strategy, such as when wherein one exceed default higher limit time, just start blower fan 18 and the air cleaning unit 19 of range hood, or setting wherein more than two or two when exceeding default higher limit, start blower fan 18 and the air cleaning unit 19 of range hood.
The embodiment of the present invention can also be smokescope, harmful gas concentration arranges multiple different threshold value, multiple threshold value increases progressively successively, like this, multiple threshold value increases progressively successively, like this, the concentration of different smog and harmful substance forms different stage, such as slight pollution, intermediate pollution, intermediate pollution etc., like this, the concentration of Real-Time Monitoring harmful substance can be positioned at which rank, take to purify strategy accordingly, the air force of selective control blower fan 18 with open different air cleaning units 19, reach the result of the concentration Intelligent adjustment according to smog and harmful substance, the air that effectively can not only purify kitchen can also save electric energy to a certain extent.
Further, in the embodiment of the present invention, when smokescope, harmful gas concentration reach higher limit, not only automatically can take the measure purified air, warning information can also be sent to user in several ways, so that user knows air quality situation in time, take necessary ventilation measure.
In one embodiment, above-mentioned control panel 111, also for when receiving the control signal of the input of the two or more in mechanical key plate 12, touch-screen 13 and wireless communication module 14, according to the priority of control signal input time and/or according to mechanical key plate 12, priority height between touch-screen 13 and wireless communication module 14, determine to send to the one or more control signal in illuminating lamp 17, blower fan 18, air cleaning unit 19.
Due to the range hood that the embodiment of the present invention provides, possess three kinds of control signal input modes, namely by mechanical key plate, touch-screen and wireless communication module three kinds of mode input control signals, for control panel, if receive two or three with the control signal of upper type input, need, according to the processing logic preset, to carry out Logic judgment to the control information that two or three mode inputs, determine the final control signal to illuminating lamp, blower fan, air cleaning unit etc.
A kind of processing logic is the control signal determining finally to send to illuminating lamp, blower fan, air cleaning unit according to the elder generation of input time afterwards, another kind of processing logic is according to the mechanical key plate preset, priority height between touch-screen and wireless communication module, determine the control signal finally sending to illuminating lamp, blower fan, air cleaning unit, or comprehensively determine according to the priority of time and priority height the control signal finally sending to illuminating lamp, blower fan, air cleaning unit.
Final control signal was determined afterwards according to the elder generation of time, no matter i.e. control signal, from mechanical key plate, touch-screen or wireless communication module, the control signal finally will exporting to illuminating lamp, blower fan, air cleaning unit is determined according to the time order and function of input, such as certain user uses mechanical key plate to input the control signal of blower fan unlatching, then the signal of blower fan closedown is have sent again by touch-screen or mobile phone, then control panel first controls the unlatching of blower fan, and then closes blower fan according to the shutdown signal received below.
Determine final control signal according to the priority, namely when two or three input mode all have input the different control signal to same equipment, priority according to three kinds of input modes is determined finally will export to illuminating lamp, blower fan, the control signal of air cleaning unit, such as be have input by mechanical key plate regulate blower fan size be in the control instruction of air quantity, when have input the instruction of closing blower fan by touch-screen again simultaneously, the default processing logic of the priority of touch-screen is greater than according to the priority of mechanical key plate, eventually to the control instruction that blower fan input adjustment blower fan size is middle air quantity.
Comprehensively according to time order and function and priority mode just, although be applicable to all in all multiple input modes to there is different priorities, but wherein there is the situation that two kinds of input modes are in same priority, if when the input mode that two kinds of priority is identical have input the different control signal to same equipment, can determine according to the time order and function order of control signal input the control signal finally exporting to this equipment.
Further, in one embodiment, above-mentioned core board 112, one or more also for by following information, is sent to network side Cloud Server by wireless communication module 14:
The concentration information of smog and pernicious gas;
The On/Off information of illuminating lamp 17, blower fan 18, air cleaning unit 19;
The air quantity information of blower fan 18.
Core board 112 can by communicating with between control panel 111, obtain current kitchen ventilator lamp 17, blower fan 18, the unlatching of air cleaning unit 19 or closing information, the air quantity information of blower fan 18 etc. information, then network side Cloud Server is sent to by wireless communication module 14, like this, user can pass through mobile terminal accessing Cloud Server, or directly realize the real-time monitoring to range hood duty by network side Cloud Server, for Long-distance Control range hood, the cloud data realizing Smart Home provide possibility.
In one embodiment, the range hood that the embodiment of the present invention provides, also possesses network audio-video playing function, and therefore, on mechanism basis as shown in Figure 2, as shown in Figure 3, range hood can also comprise: loudspeaker 20; This loudspeaker 20 is connected with core board 112; Wherein:
Touch-screen 13, also for receiving the network audio-video play instruction of user's input, and sends this instruction to core board 112;
Core board 112, also for network audio-video play instruction is sent to network side Cloud Server by wireless communication module 14, and is received the network audio-video information that Cloud Server returns, is play by loudspeaker 20 and/or touch-screen 13.
It is the example of a touch screen interface shown in Fig. 4, as can be seen from this surface chart, range hood can playing network audio frequency and video, if local memory space stores audio-video document, directly can also play local audio frequency and video by core board, loudspeaker and touch-screen.
The range hood that the embodiment of the present invention provides possesses local audio frequency and video and network audio-video, user can watch the video oneself liked within the free time of culinary art, or when cooking with reference to the audio-video frequency content study cuisine play and culinary art skill, meet the demand of user individual, improve the experience of range hood.
In one embodiment, above-mentioned control panel 111 also comprises a power module of powering for control panel 111, and this power module is overall package.
Further, above-mentioned power module comprises: power circuit, heat conduction layer and shell; Wherein:
Heat conduction layer covers power circuit, and shell is by power circuit and heat conduction layer encapsulation.
Above-mentioned control panel have employed the power module of overall package, for kitchen fume is heavy, temperature is high, the environment of high humidity, control panel effectively completely cuts off oil smoke and moisture while the service behaviour that maintenance is good, ensure that the reliability that range hood uses and security, improve the whole service life of range hood.
As shown in Figure 5, this power circuit, comprising: the first current rectifying and wave filtering circuit 51, pulsewidth modulation (PulseWidthModulation, PWM) controller 52, inverter circuit 53, reduction voltage circuit 54, second current rectifying and wave filtering circuit 55 and mu balanced circuit 56; Wherein:
First current rectifying and wave filtering circuit 51, PWM controller 52, inverter circuit 53, reduction voltage circuit 54 are connected successively with the second current rectifying and wave filtering circuit 55;
Mu balanced circuit 56 is connected with the first current rectifying and wave filtering circuit 51 and PWM controller 52 respectively;
First current rectifying and wave filtering circuit 51, for being converted to corresponding direct current by alternating current;
Mu balanced circuit 56, for providing negative feedback voltage to PWM controller 52, with stable PWM controller 52 output voltage;
PWM controller 52, for exporting square-wave signal to inverter circuit 53;
Inverter circuit 53, under the square-wave signal effect that exports in PWM controller 52, is converted to alternating current by direct current;
Reduction voltage circuit 54, carries out step-down for the alternating current exported by inverter circuit 53;
Second current rectifying and wave filtering circuit 55, is converted to direct current for the alternating current after the step-down that exports reduction voltage circuit 54.
The alternating current of 220V is converted to corresponding direct current by the first current rectifying and wave filtering circuit 51 in above-mentioned power circuit, utilizes the signal of specific band frequency in filter function filtering electric wave signal simultaneously, to realize suppressing and prevent interference.
Second current rectifying and wave filtering circuit 55 changes the interchange after step-down into direct current, and again carries out filtering, filtering interference signals.
Rectification can be realized by modes such as halfwave rectifier, full-wave rectification or bridge rectifiers.
An example of power circuit as shown in Figure 6, in this example, the first current rectifying and wave filtering circuit 51 adopts the mode of bridge rectifier, and this first current rectifying and wave filtering circuit 51 comprises: full bridge rectifier and the electric capacity C2 be connected with full bridge rectifier output.
Full bridge rectifier comprises a commutation diode DB1, and under the effect of AC power, commutation diode is conducting and cut-off periodically, makes load obtain Rectified alternating current.
Preferably, as shown in Figure 6, after the input of 220V alternating current, warp is by C1, L1 filtering electromagnetic interference, and then inputs to full bridge rectifier, and is carrying out filtering through electric capacity C2 after full bridge rectifier.
As shown in Figure 6, inverter circuit 53 comprises a MOSFEF power tube; The output of the first current rectifying and wave filtering circuit 51, be connected with the feeder ear of PWM controller through resistance R4, be connected with the inverting input of PWM controller 52 through resistance R1, be connected with the compensation end of PWM controller 52 through resistance R1, R2 with C3 in parallel, be connected with the reference output of PWM controller 52 with electric capacity C4 with resistance R3 through the resistance R1 of series connection, through R1 and the R3 ground connection of series connection;
Resistance/capacitance (Rt/Ct) end of PWM controller 52 is connected to the reference output of PWM controller 52 by resistance R10, and by electric capacity C5 ground connection;
The output of PWM controller 52 is connected with the grid of MOSFEF power tube.
The square-wave signal that PWM controller 52 exports, can control MOSFEF power tube periodically break-make, thus alternating current is produced in winding N1, the energy transferring of winding N1 is on winding N3, achieve step-down, then carry out rectification, filtering through the second current rectifying and wave filtering circuit 55 more again, realize the output of 5-24V DC voltage.
Specifically, as shown in Figure 6, power supply signal is after electric capacity C2 filtering, and the feeder ear (7 pin) being added to PWM controller 52 after resistance R4 step-down provides starting resistor for PWM controller 52.After circuit start, the rectifying and wave-filtering voltage of auxiliary winding N2 is on the one hand for PWM controller 52 provides normal working voltage, the inverting input (2 pin) of error amplifier is added on the other hand through resistance R3, resistance R1 dividing potential drop, for PWM controller 52 provides negative feedback voltage, with this regulated output voltage.Form current mode feed back for improving gain and frequency characteristic by resistance R2 is in parallel with electric capacity C3.4 pin of PWM controller 52 and external resistance R10, the electric capacity C5 of 8 pin and determine frequency of oscillation, the maximum of its frequency of oscillation can reach 500KHz.The square-wave signal of 6 pin outputs of PWM controller 52 is through resistance R6 rear drive MOSFEF power tube, and the energy transferring of former limit winding N1, to vice-side winding, exports DC voltage for load after rectifying and wave-filtering.3 pin (current sampling end) that resistance R11 sends into PWM controller 52 for current detecting after resistance R7, electric capacity C6 filter filter form current feedback ring, and are powered by resistance R8 dividing potential drop.The supply of 5V-24V voltage is finally realized via rectification, filter circuits such as resistance R9, electric capacity C12, inductance L 2 by transformer secondary winding N3.
In one embodiment, PWM controller 52 such as can adopt the UC3843 series control chip of Unitrode company, or the current type PWM integrated manipulator of other types realizes.
The control panel that the embodiment of the present invention provides adopts 5-24V direct current supply, and while realizing control panel various functions, its voltage output range, within the scope of the safe voltage of human body, improves the security of control panel further.
Preferably, in the power module of control panel that provides of the embodiment of the present invention, heat conduction layer can adopt thermal conductive silicon glue-line.Thermal conductive silicon glue-line can by each circuit devcie of control panel all wrapping and encapsulating get up, on the one hand due to its insulating properties, such as short circuit equivalent risk can be avoided, on the other hand, it has good heat-conducting effect, by heat by the overall control panel of each device conducts, can be convenient to heat radiation, and its adhesive property is good, at high temperature also difficult drop-off.
Further, when using thermal conductive silicon glue-line as heat conduction layer, the thickness of heat conduction layer is less than 1 millimeter.
Preferably, the shell of above-mentioned control panel power source module adopts engineering plastics, engineering plastics have the characteristic of impact resistance, heat resistance, chemical proofing and excellent electrical properties, all electronic devices and components of power module can be packaged together, effectively prevent the intrusion such as oil smoke, humid air, extend the service life of Power supply, improve the reliability of control panel and range hood integral.
Preferably, above-mentioned shell can adopt acrylonitrile-butadiene-styrene copolymer (AcrylonitrileButadieneStyrene, ABS) engineering plastics, or has the other materials of similar characteristic with ABS engineering plastics.
Further, in the range hood that the embodiment of the present invention provides, wireless communication module, can comprise following one or more:
WIFI module, public mobile network communication module, bluetooth module and near-field communication module.
Public mobile network communication module can be 2G, 3G, 4G communication module of various standard, and near-field communication module can be NFC (NearFieldCommunication) module etc.
Concrete example further illustrates the structure of the above-mentioned range hood that the embodiment of the present invention provides below.
As shown in Figure 7, this range hood comprises control panel and core board, control panel have input module and output module, also has power module, control panel and Smoke Sensor, phenols/gaseous aldehyde sensor, PM2.5 air quality detector, mechanical key plate, illuminating lamp, ultraviolet lamp, plasma apparatus, blower fan connects, also be connected with core board by communication cable simultaneously, core board has input/output module, be integrated with WIFI module simultaneously, in order to network service, core board has start button, can realize independently starting, reset and close, core board is also connected with loudspeaker and touch-screen.WIFI module is communicated with network side Cloud Server by WIFI router, and can by WIFI router directly and communication of mobile terminal or by Cloud Server and communication of mobile terminal.
Smoke Sensor, phenols/gaseous aldehyde sensor, PM2.5 air quality detector are positioned at range hood left field and as the monitoring of kitchen environment, monitor signal is sent to control panel, mechanical key plate is positioned at the front surface region of range hood and controls control signal to be input to control panel as front panel, 220V voltage is input to control panel by power line, control panel is to after input signal process, output to and be positioned at the illuminating lamp before range hood, the plasma apparatus being positioned at range hood right side area, ultraviolet lamp, and export the rotation of control blower fan.
The loudspeaker being positioned at range hood both sides can by play multimedia sound.The touch-screen being positioned at range hood front can realize multimedia human-computer interaction.
Smoke Sensor, through overaging, debugging, demarcation, calibration, exports digital quantity signal to control panel.Phenols/gaseous aldehyde sensor is detected phenols gaseous aldehyde in kitchen by electrochemical principle, and is sent to control panel by UART agreement.PM2.5 air quality detector adopts particle counting principle to detect PM2.5 in kitchen, and is sent to control panel by UART agreement.
The control logic signals such as the Wind Volume of blower fan, middle air quantity, little air quantity, illumination can also be input on control panel by digital quantity by mechanical key plate.
The input module of control panel receives Smoke Sensor, phenols/gaseous aldehyde sensor, the monitor signal of PM2.5 air quality detector, and by the micro-control unit (MicrocontrollerUnit of control panel, MCU) the digital monitoring signal scaling of Smoke Sensor is converted to the smokescope state display of multiple grade such as four grades by process, 8 bit walk data scalings of phenols/gaseous aldehyde sensor are converted to the air quality state display of multiple grade such as four grades, 8 bit walk data scalings of PM2.5 air quality detector are converted to the PM2.5 quality state display of multiple grade such as four grades.And mechanical key plate input signal is added logic control, realize the control of the Wind Volume to blower fan, middle air quantity, little air quantity, illuminating lamp open and close etc.
Control panel is by smokescope state, air quality state, the PM2.5 quality state after process, and the control informations such as the Wind Volume of blower fan, middle air quantity, little air quantity, lighting lamp control give core board by communication cable.Smokescope state, air quality state, PM2.5 quality state signal are sent to touch-screen and are shown to user by core board, and input control signal on the control signal of the Wind Volume of the blower fan inputted by mechanical key plate, middle air quantity, little air quantity, illuminating lamp and touch-screen is carried out Logic judgment and feeds back to control panel, Logic judgment process also can be realized by control panel, in this case, by core board, the control signal that touch-screen inputs is fed back to control panel, realize Logic judgment process by control panel.
Control panel receive core board feedback final control signal or after self carrying out Logic judgment and obtaining final control signal, by relay unlatching, the Wind Volume of closing control illuminating lamp, ultraviolet lamp, plasma apparatus and blower fan, middle air quantity, little air quantity.
Touch-screen and core board communicate to connect, mist CONCENTRATION STATE, air quality state, the display of PM2.5 quality state can be realized, user can input the operational orders such as illuminating lamp opening and closing, ultraviolet lamp opening and closing, plasma apparatus opening and closing, the Wind Volume of blower fan, middle air quantity, little air quantity opening and closing on the touchscreen, and touch-screen sends control signal corresponding for these operational orders to core board.
Multimedia audio is outputted in loudspeaker by input/output module by core board.
Core board is connected with far-end Cloud Server by internet with WIFI router by WIFI module, can be checked the various information of display in current touch screen by Cloud Server.
Mobile phone can be undertaken communicating or directly being communicated with range hood by WIFI mode by the mode such as mobile network, WIFI and Cloud Server, thus realizes the monitoring to lampblack absorber, remote-operated realization.And realize such as time synchronisation function, realize remote timing and open, close the human nature service such as range hood and countdown function prompting.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of control method of range hood, the principle of dealing with problems due to the method is similar to aforementioned range hood, and therefore the enforcement of the method see the enforcement of aforementioned range hood, can repeat part and repeat no more.
As shown in Figure 8, the control method of the range hood that the embodiment of the present invention provides, can comprise the steps:
The control signal of one or more inputs of S81, the mechanical key plate receiving range hood, touch-screen and wireless communication module;
The concentration information of the smog that S82, the mist detecting device receiving range hood and harmful gas detecting device collect and pernicious gas;
The control signal of one or more inputs of S83, mechanical key plate, touch-screen and wireless communication module according to range hood, controls one or more in the illuminating lamp of range hood, blower fan, air cleaning unit;
S84, by the concentration information of smog and pernicious gas by the touch-screen display of range hood or send mobile terminal to by wireless communication module and show.
In above-mentioned control method, step S81 and step S82 is separate, does not have absolute execution sequencing, and similarly, above-mentioned steps S83 and step S84 is separate, does not also have absolute execution sequencing.
The detailed description of the invention of the step S81 in above-mentioned control method ~ S84, can with reference to the detailed description of the invention of aforementioned range hood.
The control method of the range hood that the embodiment of the present invention provides and range hood, user is by mechanical key plate, touch-screen and mobile terminal send control signal to range hood, the core control panel of range hood is according to mechanical key plate, the control signal that touch-screen and mobile terminal send, control the blower fan of range hood, illuminating lamp and air cleaning unit, also can by mist detecting device, the concentration information of the smog that harmful gas detecting device collects and pernicious gas is shown to user by touch-screen or mobile terminal, reduce the smog that user produces in cooking process, pernicious gas, purify the air in kitchen, while having ensured the health of user, achieve the intellectuality of the manipulation of range hood, user can manipulate range hood in many ways, for remote opening, close the human nature service such as range hood and provide possibility, improve the efficiency of user in culinary cuisine, improve the experience of user to range hood.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (11)
1. a range hood, it is characterized in that, comprising: core control panel and the mechanical key plate, touch-screen, wireless communication module, mist detecting device, harmful gas detecting device, illuminating lamp, blower fan and the air cleaning unit that are connected with described core control panel respectively; Wherein:
Described wireless communication module, for being connected with mobile terminal by communication, receives the control signal that described mobile terminal sends;
Described core control panel, for the control signal according to the one or more inputs in mechanical key plate, touch-screen and wireless communication module, one or more in illuminating lamp, blower fan, air cleaning unit are controlled, and the concentration information of the smog described mist detecting device, harmful gas detecting device collected and pernicious gas sends described touch-screen to or sends mobile terminal to by wireless communication module and shows.
2. range hood as claimed in claim 1, is characterized in that, described harmful gas detecting device, comprise following one or more: phenols/gaseous aldehyde sensor, PM2.5 air quality detector, CO gas detector;
Described air cleaning unit comprise following one or more: plasma apparatus, ultraviolet lamp.
3. range hood as claimed in claim 2, it is characterized in that, described core control panel, comprising: control panel and core board; Described control panel is connected with mechanical key plate, mist detecting device, harmful gas detecting device, illuminating lamp, air cleaning unit and blower fan respectively; Described core board is connected with control panel and touch-screen respectively; Described wireless communication module is integrated in described core board;
Described core board, for sending the control signal of touch-screen and wireless communication module input to described control panel, and the concentration information of the smog transmitted by described control panel and pernicious gas sends touch-screen to or sends mobile terminal to by wireless communication module and shows;
Described control panel, for the control signal sent according to mechanical key plate and described core board, one or more in illuminating lamp, blower fan, air cleaning unit are controlled, and the concentration information of the smog described mist detecting device, harmful gas detecting device collected and pernicious gas sends to described core board.
4. range hood as claimed in claim 3, it is characterized in that, described control panel, also for when blower fan and air cleaning unit are not opened, monitor described mist detecting device, the concentration information of the smog that harmful gas detecting device gathers and pernicious gas, compared with the concentration threshold preset, when the concentration information of smog and pernicious gas is greater than corresponding concentration threshold, open command and Boiler pressure control instruction is sent to described blower fan, and open air cleaning unit, and concentration information and the warning information of smog and pernicious gas is sent to core board and described wireless communication module,
Described core board, also sends touch-screen to for the concentration information of the smog that sent by control panel and pernicious gas and warning information and carries out showing or sending wireless communication module to;
Described wireless communication module, also sends mobile terminal for the concentration information of the smog that sent by control panel and pernicious gas and warning information to by wireless network.
5. range hood as claimed in claim 3, it is characterized in that, described control panel, also for when receiving the control signal of the input of the two or more in described mechanical key plate, touch-screen and wireless communication module, according to the priority of described control signal input time and/or according to described mechanical key plate, priority height between touch-screen and wireless communication module, determine the one or more control signal sent in illuminating lamp, blower fan, air cleaning unit.
6. range hood as claimed in claim 3, is characterized in that, described core board, one or more also for by following information, is sent to network side Cloud Server by wireless communication module:
The concentration information of smog and pernicious gas;
The On/Off information of illuminating lamp, blower fan, air cleaning unit;
The air quantity information of blower fan.
7. the range hood as described in any one of claim 3-6, is characterized in that, described range hood also comprises: loudspeaker; Described loudspeaker is connected with described core board;
Described touch-screen, also for receiving the network audio-video play instruction of user's input, and sends described instruction to described core board;
Described core board, also for described network audio-video play instruction is sent to network side Cloud Server by described wireless communication module, and is received the network audio-video information that described Cloud Server returns, is play by described loudspeaker and/or touch-screen.
8. the range hood as described in any one of claim 1-6, is characterized in that, described core board also comprises a start button; Described start button controls the unlatching of described core board, reset and cut out.
9. the range hood as described in any one of claim 1-6, is characterized in that, described control panel also comprises a power module of powering for described control panel, and described power module is overall package.
10. the range hood as described in any one of claim 1-6, is characterized in that, described wireless communication module, comprises following one or more:
WIFI module, public mobile network communication module, bluetooth module, near-field communication module.
The control method of 11. 1 kinds of range hoods, is characterized in that, comprising:
Receive the control signal of one or more inputs of the mechanical key plate of range hood, touch-screen and wireless communication module;
The concentration information of the smog that the mist detecting device of reception range hood and harmful gas detecting device collect and pernicious gas;
According to the control signal of one or more inputs of the mechanical key plate of described range hood, touch-screen and wireless communication module, one or more in the illuminating lamp of range hood, blower fan, air cleaning unit are controlled;
By the concentration information of described smog and pernicious gas by the touch-screen display of described range hood or send mobile terminal to by wireless communication module and show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676609.5A CN105276648A (en) | 2015-10-16 | 2015-10-16 | Extractor hood and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676609.5A CN105276648A (en) | 2015-10-16 | 2015-10-16 | Extractor hood and control method thereof |
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| CN105276648A true CN105276648A (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510676609.5A Pending CN105276648A (en) | 2015-10-16 | 2015-10-16 | Extractor hood and control method thereof |
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| CN (1) | CN105276648A (en) |
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| CN106951003A (en) * | 2017-02-28 | 2017-07-14 | 浙江大学 | A kind of lampblack absorber control system of detectable carbonomonoxide concentration |
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| CN110701658A (en) * | 2019-11-22 | 2020-01-17 | 河海大学常州校区 | Air purification lampblack absorber device with UV lamp |
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| CN111006261A (en) * | 2019-12-31 | 2020-04-14 | 青岛海尔智慧厨房电器有限公司 | Range hood control method and device, range hood and storage medium |
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| CN113898992A (en) * | 2020-07-06 | 2022-01-07 | 佛山市顺德区美的洗涤电器制造有限公司 | Smoke exhaust ventilator |
| CN114198790A (en) * | 2020-09-16 | 2022-03-18 | 云米互联科技(广东)有限公司 | Control method of range hood, range hood and computer readable storage medium |
| CN114198790B (en) * | 2020-09-16 | 2023-10-27 | 云米互联科技(广东)有限公司 | Control method of smoke exhaust ventilator, smoke exhaust ventilator and computer readable storage medium |
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| CN113639287A (en) * | 2021-08-24 | 2021-11-12 | 郑紫霞 | Catering oil smoke purification system |
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Application publication date: 20160127 |
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