CN103927929B - A kind of multipath electrovalve bifurcation energy-saving automatic display platform and control method thereof - Google Patents
A kind of multipath electrovalve bifurcation energy-saving automatic display platform and control method thereof Download PDFInfo
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- CN103927929B CN103927929B CN201410163048.4A CN201410163048A CN103927929B CN 103927929 B CN103927929 B CN 103927929B CN 201410163048 A CN201410163048 A CN 201410163048A CN 103927929 B CN103927929 B CN 103927929B
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Abstract
The invention discloses a kind of multipath electrovalve bifurcation energy-saving automatic display platform and control method thereof, comprise frame, described frame is installed with show the solenoid valve of dynamic perfromance, in order to static display solenoid valve data display, move frequency in order to arrange solenoid valve, select the button of pattern of moving, move the LED charactron of information and the control circuit of Controlling solenoid valve, LED charactron and button in order to show solenoid valve in real time; Described control circuit is connected with solenoid valve, LED charactron, button respectively by circuit.Instant invention overcomes existing solenoid valve way of presentation, control mode single, control the size less, power consumption is high, with the deficiency such as client connection is poor, the invention provides a kind of control model various, control the size numerous, energy consumption is low, interactive strong and in conjunction with the multipath electrovalve bifurcation energy-saving automatic presentation device of dynamic and static displaying Characteristics of Solenoid Valve.
Description
Technical field
The present invention relates to a kind of multipath electrovalve bifurcation energy-saving automatic display platform and control method thereof.
Background technology
Presentation device is manufacturer, dealer's one of requisite instrument introducing its product performance and function to client in the important scene of some international communications such as exhibition.At present, some is relied on to the dynamic showpiece (such as, solenoid valve) of direct voltage drive, traditional methods of exhibiting one is with product manual, and the static modes such as video introduce client to; Two is drive a small amount of solenoid valve to complete single action by simple driving circuit Dynamic Characteristic of Solenoid Valve is showed client.Along with market is to maturation, the future development of specification, there is some deficiency following in above two kinds of methods: 1, way of presentation is single, and product manual, video etc. are introduced mode and cannot be felt intuitively to client's one.2, to control the mode that electromagnetism moves single for simple driving circuit, and control the size few, power consumption is high, and can not form effective interaction with client, lacks attractive force.
Summary of the invention
A kind of multipath electrovalve bifurcation energy-saving automatic display platform and control method thereof are the object of the present invention is to provide; Instant invention overcomes existing solenoid valve way of presentation, control mode single, control the size less, power consumption is high, with the deficiency such as client connection is poor, the invention provides a kind of control model various, control the size numerous, energy consumption is low, interactive strong and in conjunction with the multipath electrovalve bifurcation energy-saving automatic presentation device of dynamic and static displaying Characteristics of Solenoid Valve.
In order to achieve the above object, technical scheme of the present invention is:
A kind of multipath electrovalve bifurcation energy-saving automatic display platform, comprise frame, described frame is installed with show the solenoid valve of dynamic perfromance, in order to static display solenoid valve data display, move frequency in order to arrange solenoid valve, select the button of pattern of moving, move the LED charactron of information and the control circuit of Controlling solenoid valve, LED charactron and button in order to show solenoid valve in real time; Described control circuit is connected with solenoid valve, LED charactron, button respectively by circuit.
Described control circuit comprises the key control unit (MCU) for receiving key command, output solenoid valve control signal and LED charactron control signal; For multichannel expansion, latch control signal, control signal and drive singal are carried out the signal processing circuit of light-coupled isolation; For driving the driving circuit of solenoid valve and the auxiliary circuit in order to show running status and program burn writing, emulation; Described key control unit is connected with signal processing circuit by data bus, and described signal processing circuit is connected with driving circuit signal; Described driving circuit is connected with solenoid valve by circuit; Described key control unit is also connected with auxiliary circuit, LED charactron, button respectively by circuit.
Described signal processing circuit comprises Data expansion latch units and optical coupling isolation circuit; Wherein said Data expansion latch units is connected by signal with between optical coupling isolation circuit; Described key control unit is connected with Data expansion latch units respectively by data bus, and described optical coupling isolation circuit is connected by signal with between driving circuit.
Described auxiliary circuit comprises program burn writing, emulation interface and status indicator lamp; And described program burn writing, emulation interface are connected with key control unit respectively by circuit with status indicator lamp.
Key control unit (MCU) in wherein said control circuit adopts 32 8-digit microcontroller STM32F103CB of ARM company, has up to the characteristic such as the frequency of operation of 72MHZ, 48 pins, low energy consumption and abundant peripheral hardwares; Data expansion latch units adopts 74HCT377 chip; Driving circuit forms primarily of N-channel MOS pipe IRF8313PbF and diode IN4148, and its drive current is up to 10A, and most high driving voltage is 30V, meet the present invention adopt driving voltage to be the requirement of the direct-acting electromagnetic valve of 24V.
A control method for multipath electrovalve bifurcation energy-saving automatic display platform, comprises following operating steps:
1) while all kinds of solenoid valve related data of display static display, the frequency that user is moved by key-press input solenoid valve, pattern correlation parameter;
2) key control unit in control circuit receive button move instruction after, output solenoid valve control signal is to data bus; Meanwhile, key control unit driving LED charactron shows current solenoid valve in real time and moves information;
3) the Data expansion latch units in signal processing circuit makes corresponding screening, expansion, boosting process to the control signal that data bus transmits, transfer to the front end of optical coupling isolation circuit, the control signal after optical coupling isolation circuit process and isolation is converted into drive singal and inputs to driving circuit.
4) drive singal controls the metal-oxide-semiconductor conducting in driving circuit, thus driving voltage is loaded on solenoid valve two ends and makes it open, and shows its operating characteristic;
5) repeat step 1), the key control unit now in control circuit receive again button move instruction time, first to judge and resolve present instruction signal data and front once whether changing upgrades; If then upgrade control signal data in each group, continuing judgement is which organizes and change which road, confirms the Zu He road changed, then continues according to described step 2), 3), 4), utilize high pressure to open these solenoid valves, and send PWM ripple maintenance solenoid valve open mode; The Zu He road do not changed if confirm, that just directly sends PWM ripple and keeps the last next state of solenoid valve;
6) then continue circulation step 5) operating process, solenoid valve dynamically move show its operating characteristic; Until when the key control unit in control circuit receives the halt instruction of button, currently cease and desist order and disconnect the metal-oxide-semiconductor in driving circuit until resolve, direct shut electromagnetic valve.
The invention has the beneficial effects as follows: a kind of multipath electrovalve bifurcation energy-saving automatic display platform of the present invention and control method thereof can carry out Static and dynamic displaying to product simultaneously.Display static state display solenoid valve related data, inculcates product philosophy to client; Meanwhile, coordinate button, control circuit Controlling solenoid valve is moved by different mode, and shows the information of moving in real time by LED charactron, is dynamically presented in face of client by product performance more intuitively.Form effective interaction with client, increase its interest to product.Instant invention overcomes existing solenoid valve way of presentation, control mode single, control the size less, power consumption is high, with the deficiency such as client connection is poor, the invention provides a kind of control model various, control the size numerous, energy consumption is low, interactive strong and in conjunction with the multipath electrovalve bifurcation energy-saving automatic presentation device of dynamic and static displaying Characteristics of Solenoid Valve.
Comparing conventional control circuit solely drives a small amount of solenoid valve to move, and the shortcoming such as power consumption, invention has been at 2 and improves significantly.1, in control circuit, add the human-computer interaction module interface comprising LED charactron and button, make client can self-defined solenoid valve pattern of moving and move frequency.Data expansion latch units and optical coupling isolation circuit, while the multiple solenoid valve of driving is moved, guarantee the isolation of control section and drive part in circuit.2, on driving method, after described key control unit (MCU) receives and moves instruction, judge current control signal data and frontly once whether to change.If so, continue to judge that Shi Nazuna road changes, and high pressure opens these solenoid valves, send PWM ripple and keep solenoid valve open mode.If not, still send PWM ripple and keep the last next state of solenoid valve, stop until receiving or change instruction.Reach multichannel and drive energy-conservation effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the block diagram of control circuit of the present invention;
Fig. 3 is control system program design process flow diagram of the present invention;
Fig. 4 is solenoid-driven mode figure.
Embodiment
Make a nearly step below in conjunction with accompanying drawing to enforcement of the present invention to describe in detail.
Embodiment 1
A kind of multipath electrovalve bifurcation energy-saving automatic display platform of the present embodiment, as shown in Figure 1-2, comprise frame 1, described frame 1 is installed with show the solenoid valve 2 of dynamic perfromance, in order to static display solenoid valve data display 3, move frequency in order to arrange solenoid valve, select the button 5 of pattern of moving, move the LED charactron 6 of information and the control circuit 4 of Controlling solenoid valve, LED charactron and button in order to show solenoid valve in real time; Described control circuit 4 is connected with solenoid valve 2, LED charactron 6, button 5 respectively by circuit.Described control circuit 4 comprises the key control unit (MCU) 41 for receiving key command, output solenoid valve control signal and LED charactron control signal; For multichannel expansion, latch control signal control signal and drive singal are carried out the signal processing circuit 42 of light-coupled isolation; For driving the driving circuit 43 of solenoid valve and the auxiliary circuit 44 in order to show running status and program burn writing, emulation; Described key control unit 41 is connected with signal processing circuit 42 by data bus 49, and described signal processing circuit 42 is connected with driving circuit 43 signal; Described driving circuit 43 is connected with solenoid valve 2 by circuit; Described key control unit 41 is also connected with auxiliary circuit 44, LED charactron 6, button 5 respectively by circuit.Described signal processing circuit 42 comprises Data expansion latch units 47 and optical coupling isolation circuit 48; Wherein said Data expansion latch units 47 is connected by signal with between optical coupling isolation circuit 48; Described key control unit 41 is connected with Data expansion latch units 47 respectively by data bus 49, and described optical coupling isolation circuit 48 is connected by signal with between driving circuit 43.Described auxiliary circuit 44 comprises program burn writing, emulation interface 45 and status indicator lamp 46; And described program burn writing, emulation interface 45 are connected with key control unit 41 respectively by circuit with status indicator lamp 46.Key control unit (MCU) 41 in wherein said control circuit 4 adopts 32 8-digit microcontroller STM32F103CB of ARM company, the characteristic of its frequency of operation up to 72MHZ, 48 pins, low energy consumption and abundant peripheral hardware; Data expansion latch units 47 adopts 74HCT377 chip; Driving circuit 43 forms primarily of N-channel MOS pipe IRF8313PbF and diode IN4148, and its drive current is up to 10A, and most high driving voltage is 30V, meet the present invention adopt driving voltage to be the requirement of the direct-acting electromagnetic valve 2 of 24V.
A control method for multipath electrovalve bifurcation energy-saving automatic display platform, comprises following operating steps:
1) while all kinds of solenoid valve related data of display 3 static display, user inputs by button 5 frequency, the pattern correlation parameter that solenoid valve 2 moves;
2) key control unit 41 in control circuit 4 receive button 5 move instruction after, output solenoid valve 2 control signal is to data bus 49; Meanwhile, information moved by the current solenoid valve of the real-time display of key control unit 41 driving LED charactron 6;
3) control signal that the 47 pairs of data buss 49 of the Data expansion latch units in signal processing circuit 42 transmit makes corresponding screening, expansion, boosting process, transfer to the front end of optical coupling isolation circuit 48, the control signal after optical coupling isolation circuit 48 processes and isolates is converted into drive singal and inputs to driving circuit 43.
4) drive singal controls the metal-oxide-semiconductor conducting in driving circuit 43, thus driving voltage is loaded on solenoid valve 2 two ends and makes it open, and shows its operating characteristic;
5) repeat step 1), the key control unit 41 now in control circuit 4 receive again button 5 move instruction time, as shown in Figure 3, first to judge and resolve present instruction signal data and front once whether changing upgrades; If then upgrade control signal data in each group, continuing judgement is which organizes and change which road, confirms the Zu He road changed, then continues according to described step 2), 3), 4), utilize high pressure to open these solenoid valves 2, and send PWM ripple maintenance solenoid valve 2 open mode; The Zu He road do not changed if confirm, that just directly sends PWM ripple and keeps the last next state of solenoid valve 2;
6) then continue circulation step 5) operating process, solenoid valve 2 dynamically move show its operating characteristic; Until when the key control unit (41) in control circuit (4) receives the halt instruction of button (5), resolve and currently cease and desist order and disconnect the metal-oxide-semiconductor in driving circuit (43), direct shut electromagnetic valve (2).
In the above control method, the result of solenoid-driven as shown in Figure 4: in figure, horizontal ordinate refers to execute the alive time, and ordinate refers to the voltage applied; Apply high voltage at the solenoid valves initial stage (t1 to t2 during this period of time), inject large energy, improve the starting-up response speed of solenoid valve.Once after solenoid valve opens completely, apply PWM type potential pulse, while maintenance solenoid valve opens (t2 to t3 during this period of time), reduce energy ezpenditure, minimizing solenoid valve thermal value, until the closed electromagnetic valve stage (t3 during this period of time).
A kind of multipath electrovalve bifurcation energy-saving automatic display platform of the present embodiment and control method thereof can carry out Static and dynamic displaying to product simultaneously.Display static state display solenoid valve related data, inculcates product philosophy to client; Meanwhile, coordinate button, control circuit Controlling solenoid valve is moved by different mode, and shows the information of moving in real time by LED charactron, is dynamically presented in face of client by product performance more intuitively.Form effective interaction with client, increase its interest to product.The present embodiment overcome existing solenoid valve way of presentation, control mode single, control the size less, power consumption is high, with the deficiency such as client connection is poor, the invention provides a kind of control model various, control the size numerous, energy consumption is low, interactive strong and in conjunction with the multipath electrovalve bifurcation energy-saving automatic presentation device of dynamic and static displaying Characteristics of Solenoid Valve.
Comparing conventional control circuit solely drives a small amount of solenoid valve to move, and the shortcoming such as power consumption, and the present embodiment has done at 2 and improved significantly.1, in control circuit, add the human-computer interaction module interface comprising LED charactron and button, make client can self-defined solenoid valve pattern of moving and move frequency.Add Data expansion latch units and optical coupling isolation circuit, while the multiple solenoid valve of driving is moved, guarantee the isolation of control section and drive part in circuit.2, on driving method, after described key control unit (MCU) receives and moves instruction, judge current control signal data and frontly once whether to change.If so, continue to judge that Shi Nazuna road changes, and high pressure opens these solenoid valves, send PWM ripple and keep solenoid valve open mode.If not, still send PWM ripple and keep the last next state of solenoid valve, stop until receiving or change instruction.Reach multichannel and drive energy-conservation effect.
Claims (4)
1. a multipath electrovalve bifurcation energy-saving automatic display platform, it is characterized in that: comprise frame (1), described frame (1) is installed with show the solenoid valve (2) of dynamic perfromance, in order to static display solenoid valve data display (3), move frequency in order to arrange solenoid valve, select the button (5) of pattern of moving, move the LED charactron (6) of information and the control circuit (4) of Controlling solenoid valve, LED charactron and button in order to show solenoid valve in real time; Described control circuit (4) is connected with solenoid valve (2), LED charactron (6), button (5) respectively by circuit; Described control circuit (4) comprises key control unit (MCU) (41) for receiving key command, output solenoid valve control signal and LED charactron control signal; For multichannel expansion, latch control signal control signal and drive singal are carried out the signal processing circuit (42) of light-coupled isolation; For driving the driving circuit of solenoid valve (43) and the auxiliary circuit (44) in order to show running status and program burn writing, emulation; Described key control unit (41) is connected with signal processing circuit (42) by data bus (49), and described signal processing circuit (42) is connected with driving circuit (43) signal; Described driving circuit (43) is connected with solenoid valve (2) by circuit; Described key control unit (41) is also connected with auxiliary circuit (44), LED charactron (6), button (5) respectively by circuit.
2. a kind of multipath electrovalve bifurcation energy-saving automatic display platform as claimed in claim 1, is characterized in that: described signal processing circuit (42) comprises Data expansion latch units (47) and optical coupling isolation circuit (48); Wherein said Data expansion latch units (47) is connected by signal with between optical coupling isolation circuit (48); Described key control unit (41) is connected with Data expansion latch units (47) respectively by data bus (49), and described optical coupling isolation circuit (48) is connected by signal with between driving circuit (43).
3. a kind of multipath electrovalve bifurcation energy-saving automatic display platform as claimed in claim 1, is characterized in that: described auxiliary circuit (44) comprises program burn writing, emulation interface (45) and status indicator lamp (46); And described program burn writing, emulation interface (45) are connected with key control unit (41) respectively by circuit with status indicator lamp (46).
4. a control method for multipath electrovalve bifurcation energy-saving automatic display platform as stated in claim 3, is characterized in that comprising following operating steps:
1) while all kinds of solenoid valve related data of display (3) static display, frequency, pattern correlation parameter that user is moved by button (5) input solenoid valve (2);
2) key control unit (41) in control circuit (4) receive button (5) move instruction after, output solenoid valve (2) control signal is to data bus (49); Meanwhile, information moved by the current solenoid valve of the real-time display of key control unit (41) driving LED charactron (6);
3) the Data expansion latch units (47) in signal processing circuit (42) makes corresponding screening, expansion, boosting process to the control signal that data bus (49) transmits, transfer to the front end of optical coupling isolation circuit (48), the control signal after optical coupling isolation circuit (48) process and isolation is converted into drive singal and inputs to driving circuit (43);
4) drive singal controls the metal-oxide-semiconductor conducting in driving circuit (43), thus driving voltage is loaded on solenoid valve (2) two ends and makes it open, and shows its operating characteristic;
5) step 1 is repeated), key control unit (41) now in control circuit (4) receive again button (5) move instruction time, first to judge and resolve present instruction signal data and front once whether changing upgrades; If then upgrade control signal data in each group, continuing judgement is which organizes and change which road, confirm the Zu He road changed, then continue according to described step 2), 3), 4), utilize high pressure to open these solenoid valves (2), and send PWM ripple maintenance solenoid valve (2) open mode; The Zu He road do not changed if confirm, that just directly sends PWM ripple and keeps solenoid valve (2) last next state;
6) then continue circulation step 5) operating process, solenoid valve (2) dynamically move show its operating characteristic; Until when the key control unit (41) in control circuit (4) receives the halt instruction of button (5), currently cease and desist order and disconnect the metal-oxide-semiconductor in driving circuit (43) until resolve, direct shut electromagnetic valve (2).
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| CN105372024A (en) * | 2015-12-08 | 2016-03-02 | 天津博益气动股份有限公司 | Differential pressure type air tightness leak detection instrument using PWM to control solenoid valve and leak detection method of differential pressure type air tightness leak detection instrument |
| CN105374286B (en) * | 2015-12-16 | 2018-12-18 | 芜湖杰诺科技有限公司 | A kind of display valve frame with detection function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689383Y (en) * | 2004-03-26 | 2005-03-30 | 上海第二工业大学 | Advertising demonstrators |
| KR100799555B1 (en) * | 2006-12-11 | 2008-01-31 | 차기만 | Apparatus of training for fire fighting |
| CN102129856A (en) * | 2011-01-24 | 2011-07-20 | 河海大学常州校区 | Water-light interactive laser electone |
| CN102184672A (en) * | 2011-05-29 | 2011-09-14 | 顺德职业技术学院 | Digital vortex multi-connected air conditioner refrigerating system teaching training station |
| CN203456010U (en) * | 2013-09-24 | 2014-02-26 | 山西宁志科技有限公司 | An entity simulating automobile teaching platform |
| CN203520100U (en) * | 2013-10-24 | 2014-04-02 | 石家庄学院 | PLC-based 3D digital water curtain system |
| CN204066572U (en) * | 2014-04-22 | 2014-12-31 | 浙江理工大学 | A kind of multipath electrovalve bifurcation energy-saving automatic display platform |
-
2014
- 2014-04-22 CN CN201410163048.4A patent/CN103927929B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689383Y (en) * | 2004-03-26 | 2005-03-30 | 上海第二工业大学 | Advertising demonstrators |
| KR100799555B1 (en) * | 2006-12-11 | 2008-01-31 | 차기만 | Apparatus of training for fire fighting |
| CN102129856A (en) * | 2011-01-24 | 2011-07-20 | 河海大学常州校区 | Water-light interactive laser electone |
| CN102184672A (en) * | 2011-05-29 | 2011-09-14 | 顺德职业技术学院 | Digital vortex multi-connected air conditioner refrigerating system teaching training station |
| CN203456010U (en) * | 2013-09-24 | 2014-02-26 | 山西宁志科技有限公司 | An entity simulating automobile teaching platform |
| CN203520100U (en) * | 2013-10-24 | 2014-04-02 | 石家庄学院 | PLC-based 3D digital water curtain system |
| CN204066572U (en) * | 2014-04-22 | 2014-12-31 | 浙江理工大学 | A kind of multipath electrovalve bifurcation energy-saving automatic display platform |
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