Summary of the invention
Technical problem to be solved by this invention provides a kind of to above-mentioned prior art can carry out steady light modulation to power saving fluorescent lamps, and the big remote control light modulating energy-saving lamp of dimming scope.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this remote control light modulating energy-saving lamp; It comprises Case of energy saving lamp; Power saving fluorescent lamps and remote control transmitter; Remote control signal receiving module and electricity-saving lamp dimming controlling module are positioned at Case of energy saving lamp; And the signal output part of remote control signal receiving module links to each other with the signal input part of electricity-saving lamp dimming controlling module; The signal output part of electricity-saving lamp dimming controlling module links to each other with the signal input part of power saving fluorescent lamps; It is characterized in that said electricity-saving lamp dimming controlling module includes a singlechip controller, a light adjusting circuit; The signal output part of said remote control signal receiving module links to each other with the signal input part of said singlechip controller, and said singlechip controller is connected to the signal input part of said light adjusting circuit according to the pulse-modulated signal of the remote signal output different in width that receives and by the signal output part of this said singlechip controller, and said light adjusting circuit then is connected to the signal input part of said power saving fluorescent lamps according to the pulse-modulated signal output different operating voltages of the different in width that receives and by the signal output part of this light adjusting circuit.Light modulation principle of the present invention is: the regulating impulse modulation signal of singlechip controller through remote signal being converted to different in width given light adjusting circuit, and light adjusting circuit is exported stably operating voltage again and to reach power saving fluorescent lamps carried out on a large scale the steadily purpose of light modulation for power saving fluorescent lamps.
As further improvement; Said light adjusting circuit can comprise a charge-discharge circuit, a governor circuit and an inverter circuit; Like this; The signal output part of said remote control signal receiving module can convert the first signal input pin that continuous voltage signal is input to governor circuit to through the pulse-modulated signal that behind the charge-discharge circuit said singlechip controller is produced; Governor circuit then carries out voltage-controlled concussion processing with the voltage signal of its first signal input pin input in inside; And at the square-wave signal of first signal output part of said governor circuit and secondary signal output output different frequency to inverter circuit, and said inverter circuit the driving of the square-wave signal of the different frequency of said governor circuit output down relevant work voltage of generation be connected to said power saving fluorescent lamps, thereby reach the purpose of light modulation and stable lamp current.
For the variable gain of lamp current is amplified; Improved the signal to noise ratio of the feedback signal of whole light adjusting circuit; Reach the purpose of light modulation degree of depth control, make the light modulation process more linear, and can keep stable lamp current in any brightness; And be unlikely to work as mains ripple or hang down surely is to produce from putting out phenomenon; Said light adjusting circuit also comprises a close loop negative feedback circuit, and the signal input part of this close loop negative feedback circuit links to each other with the signal output part of said inverter circuit, and the output of said close loop negative feedback circuit then links to each other with the signal input part of said governor circuit.
Preferably; Said close loop negative feedback circuit comprises a current sampling circuit, a voltage sampling circuit; The signal input part of said current sampling circuit links to each other with first output of said inversion circuit; The signal input part of said voltage sampling circuit links to each other with second output of said inversion circuit; The signal output part of said current sampling circuit links to each other with the 3rd signal input part of said governor circuit, and the signal output part of said voltage sampling circuit links to each other with the 4th signal input part of said governor circuit.Like this, electric current that sampling obtains and voltage signal multiply each other at the inner multiplier of governor circuit, obtain the average power of fluorescent tube, and the signal input part that this power signal is delivered to inverter circuit as negative-feedback signal goes to realize close loop negative feedback control.
Traditional energy-saving lamp; In the moment that power supply is opened, just form high pressure at the filament two ends, filament this moment space charge on every side is very thin; Cause a large amount of cations to hit filament as negative electrode; Make the serious sputter of emissive material on the filament, it is serious therefore to form filament tube wall blackout on every side, shortens lamp tube service life.The present invention is through being provided with a back off timer at said governor circuit; After the first signal input pin of said governor circuit receives the voltage signal of said charge-discharge circuit output; At first exporting the less square-wave signal of a frequency at its first signal output part and secondary signal output gives inverter circuit and starts back off timer simultaneously; When said startup back off timer to after date, governor circuit is exported to inverter circuit with the square-wave signal that the voltage signal of its first signal input pin input carries out after voltage-controlled concussion is handled in inside.Back off timer can be set through software program.Like this, the present invention makes filament pass through certain little electric current behind power connection earlier, lets filament be heated to after the required temperature of electronics emission is the time interval of back off timer, just on fluorescent tube, adds sufficiently high voltage, makes fluorescent tube get into arc discharge, lights fluorescent tube.Through adopting pipeline start up by preheating, can reduce the required voltage of tube starting, prolonging lamp tube service life reduces the fluorescent tube blackout, reduces light decay.
In addition, the remote control switch of traditional remote-control energy-saving lamp exists phase mutual interference, the easy phenomenon that the control misoperation occurs; As further improvement; Include in the singlechip controller of the present invention one preserve the remote signal geocoding memory cell, like this, receive the remote signal of remote control transmitter when remote control signal receiving module after; The singlechip controller of electricity-saving lamp dimming controlling module can be preserved the geocoding that sends to of current remote control transmitter automatically; Like this, the electricity-saving lamp dimming controlling module receives after the remote signal at every turn, all can the geocoding of having preserved in its geocoding and the memory cell be compared; Handle if geocoding is identical, abandon if geocoding is inequality handling.
In addition, because the fluorescent tube of electricity-saving lamp adopts glass material mostly, break easily, filament also is the parts that rupture easily.And traditional electricity-saving lamp just must all be changed when fluorescent tube damages, and has serious waste.The present invention is as further improving, and said lamp housing is assembled by lamp adapter assembly and lamp holder lid, states institute's power saving fluorescent lamps and then removably connects with said lamp holder lid.Through the improvement of said structure, fluorescent tube as an interchangeable assembly, when fluorescent tube damages, can be plugged a new fluorescent tube like a cork and got final product, greatly reduce user's use cost.
Compared with prior art; The invention has the advantages that: the electricity-saving lamp dimming controlling module is handled the remote signal that receives through singlechip controller; Export the pulse-modulated signal of different in width then and give light adjusting circuit; Light adjusting circuit is then given said power saving fluorescent lamps according to the pulse-modulated signal output different operating voltages of the different in width that receives, and this control model can make the luminous adjustment of power saving fluorescent lamps steady, and dimming scope is bigger.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Remote control light modulating energy-saving lamp shown in Fig. 1~3; It comprises the Case of energy saving lamp of being made up of lamp adapter assembly 11 and lamp holder lid 12 1; Power saving fluorescent lamps 2 and remote control transmitter 3; Remote control signal receiving module 4 and electricity-saving lamp dimming controlling module 5 are positioned at Case of energy saving lamp, and the signal output part of remote control signal receiving module 4 links to each other with the signal input part of electricity-saving lamp dimming controlling module 5, and the signal output part of electricity-saving lamp dimming controlling module 5 links to each other with the signal input part of power saving fluorescent lamps 2.Said electricity-saving lamp dimming controlling module 5 includes a singlechip controller 51, a light adjusting circuit 52; The signal output part of said remote control signal receiving module 4 links to each other with the signal input part of said singlechip controller 51; And the signal output part of said singlechip controller 51 links to each other with the signal input part of said light adjusting circuit 52; The signal output part of said light adjusting circuit 52 links to each other with the signal input part of said power saving fluorescent lamps 2; Said singlechip controller 51 is according to the remote signal that receives; The pulse-modulated signal of output different in width is given said light adjusting circuit 52, and the pulse-modulated signal output different operating voltages of the different in width that 52 bases of said light adjusting circuit receive is given said power saving fluorescent lamps 2.
Wherein, remote control transmitter 3 can adopt conventional wireless radio frequency remote control device and corresponding with it RF remote-controlled signal receiving module with remote control signal receiving module 4.
Like Fig. 4; The Microchip company model of singlechip controller 51 U.S. is the singlechip control chip U1 of PIC12F683; The signal input part that the signal output part of remote control signal receiving module 4 (being the 4th pin of remote control signal receiving module 4) is delivered to singlechip control chip U1 with the remote signal that receives is the 7th pin; The 5th pin of singlechip control chip U1 links to each other as the signal input part of signal output part with said light adjusting circuit 52 with ground 6 pins; The 5th pin of singlechip control chip U1 is as the switch controlling signal output pin of control control light adjusting circuit 52 switchings in the present embodiment; And the 6th pin of singlechip control chip U1 is exported to the peripheral circuit that light adjusting circuit 52, the 14 capacitor C the 14, the 15 capacitor C 15, crystal oscillator Y1 constitute singlechip controller 51 as the pulse-modulated signal output pin with pulse-modulated signal.
In the present embodiment; Said light adjusting circuit 52 comprises a charge-discharge circuit 521, a governor circuit 522, an inverter circuit 523, a power circuit 524, a current sampling circuit 525, a voltage sampling circuit 526; Said current sampling circuit and voltage sampling circuit are formed the close loop negative feedback circuit; The pulse-modulated signal that the pulse-modulated signal output of said remote control signal receiving module 4 produces said singlechip controller 51 after through charge-discharge circuit converts the first signal input pin that continuous voltage signal is input to governor circuit to; Governor circuit carries out voltage-controlled concussion processing with the voltage signal of its first signal input pin input in inside; And at first signal output part of said governor circuit and the square-wave signal of secondary signal output output different frequency, and said inverter circuit output different operating voltages under the driving of the square-wave signal of the different frequency of said governor circuit output is given said power saving fluorescent lamps 2.The signal input part of said current sampling circuit links to each other with first output of said inversion circuit; The signal input part of said voltage sampling circuit links to each other with second output of said inversion circuit; The signal output part of said current sampling circuit links to each other with the 3rd signal input part of said governor circuit, and the signal output part of said voltage sampling circuit links to each other with the 4th signal input part of said governor circuit.
Wherein, power circuit 524 is introduced civil power from J1, converts the alternating current of 220V to high voltage direct current through second capacitor C 2, the 3rd capacitor C 3, the first diode D1, the second diode D2 and sends into inverter circuit.
It is the main control chip of PT0331 that the main control chip IC1 of governor circuit 522 adopts the model of the general sincere company in Taiwan, and the 7th pin of main control chip IC1 is that the first signal input pin links to each other with the pulse-modulated signal output (being the 5th pin of singlechip control chip U1) of singlechip controller 51; The 8th pin of main control chip IC1 is the switch controlling signal output (being the 6th pin of singlechip control chip U1) of secondary signal input pin and singlechip controller 51, and the switch controlling signal output of singlechip controller 51 in the present embodiment (being the 6th pin of singlechip control chip U1) links to each other with the 8th pin of main control chip IC1 after connecting divider resistance R19; The 2nd pin of main control chip IC1 is that the 4th signal input pin links to each other with the signal output part of voltage sampling circuit 526; The 15th pin of main control chip IC1 is that the 3rd signal input pin links to each other with the signal output part of current sampling circuit 525; And being first, second signal output pins, 9,11 pins of main control chip IC1 link to each other with the signal input part of inverter circuit 523; The 3rd resistance R the 3, the 16 resistance R 16, the tenth resistance R 10 constitute the peripheral circuit of governor circuits.
Charge-discharge circuit 521 is made up of the 14 resistance R the 14, the 20 resistance R the 20, the 16 capacitor C 16; First end of pulse-modulated signal output of singlechip controller 51 (being the 5th pin of singlechip control chip U1) and the 14 resistance R 14; Second end of the 14 resistance R 14 links to each other with the first signal input pin (i.e. the 7th pin) of main control chip IC1; First end of the 20 resistance R the 20, the 16 capacitor C 16 all links to each other with the first signal input pin (i.e. the 7th pin) of main control chip IC1, the equal ground connection of second end of the 20 resistance R the 20, the 16 capacitor C 16.
The switch controlling signal output of singlechip controller 51 (being the 6th pin of singlechip control chip U1) is connected to the secondary signal input pin (i.e. the 8th pin) of main control chip IC1 through the 19 resistance R 19.
Inverter circuit 523 comprises half bridge inverter circuit and main inverter circuit; Wherein half bridge inverter circuit is made up of the first semi-bridge type inverter L1, the first FET Q1, the second FET Q2 and peripheral element; The grid of the second FET Q2 connects resistance R 6 backs and links to each other with the secondary signal output (being the 11st pin of main control chip IC1) of main control chip IC1; The source ground of the second FET Q2; The drain electrode of the second FET Q2 then links to each other with the source electrode of the first FET Q1; The drain electrode of the first FET Q1 then links to each other with the output of power circuit; The grid of the first FET Q1 connects the 5th resistance R 5 backs and links to each other with first pin of the first semi-bridge type inverter L1; The 3rd pin of the first semi-bridge type inverter L1 is connected to the drain electrode of the first FET Q1; The 2nd pin of the first semi-bridge type inverter L1 then links to each other with first signal output part (being main control chip IC1 the 9th pin) of main control chip IC1, and the 4th pin of the first semi-bridge type inverter L1 connects ground connection behind the 6th electric capacity, other elements: the 5th capacitor C 5, the 8th capacitor C 8, the 9th capacitor C the 9, the 18 resistance R 18, diode D3, D7, D8, D9 then constitute the peripheral circuit of half bridge inverter circuit; Main inverter circuit then mainly is made up of main inverter L2 and peripheral first capacitor C 1, the 7th capacitor C 7; Wherein the 2nd pin of main inverter L2 is connected to the drain electrode of the second FET Q2; The 1st pin of main inverter L2 connects first capacitor C, 1 back second output as inverter circuit and links to each other with the 4th pin of power saving fluorescent lamps; The 3rd pin of main inverter L2 also links to each other with the 4th pin of power saving fluorescent lamps; The 4th pin of main inverter L2 links to each other with the 2nd pin of power saving fluorescent lamps, and the 5th pin of main inverter L2 links to each other with the 1st pin of power saving fluorescent lamps, and the 6th pin of inverter L2 links to each other with the 3rd pin of power saving fluorescent lamps as first output of inverter circuit.
Current sampling circuit 525 is made up of the second semi-bridge type inverter TE1, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9; Wherein the 1st pin of the second semi-bridge type inverter TE1 links to each other with first output (being the 6th pin of main inverter L2) of inverter circuit; The 2nd pin of the second semi-bridge type inverter TE1 connects the 9th resistance R 9 backs and links to each other with the 3rd signal input part (being the 15th pin of IC1) of main control chip; The 3rd pin of the second semi-bridge type inverter TE1 connects the 7th resistance R 7 back ground connection; The 3rd pin of the second semi-bridge type inverter TE1 connects the 2nd pin that R11 meets main control chip IC1 simultaneously; The 2nd pin of the second semi-bridge type inverter TE1 connects after the 8th resistance R 8 also ground connection, the direct ground connection of the 4th pin of the second semi-bridge type inverter TE1.
Voltage sampling circuit 526 is made up of first resistance R 1, second resistance R the 2, the 12 resistance R the 12, the 13 resistance R 13, the 4th diode D4, the 11 capacitor C 11; Wherein second output of inverter circuit (being the 6th pin of main inverter L2) connects first resistance R 1 successively, second resistance R, 2 backs link to each other with the positive pole of the 4th diode D4; The negative pole of the 4th diode D4 connects the 13 resistance R 13 backs and links to each other with the 4th signal input part (being the 2nd pin of main control chip IC1) of governor circuit; The 12 resistance R 12 is connected between the positive pole and ground of the 4th diode D4, and 11 of the 11 capacitor C are connected between the negative pole and ground of the 4th diode D4.
Current sampling circuit 525, voltage sampling circuit 526 constitute the close loop negative feedback circuit together; Electric current that main control chip IC1 obtains sampling and the voltage signal multiplier of portion within it multiply each other; Obtain the average power of fluorescent tube; The signal input part that this power signal is delivered to inverter circuit as negative-feedback signal goes to realize close loop negative feedback control, does like this and can improve the signal to noise ratio of the feedback signal of whole light adjusting circuit so that the variable gain of the electric current of electricity-saving lamp is amplified; Reach the purpose of light modulation degree of depth control; And can make the light modulation process of electricity-saving lamp more linear, and can keep stable lamp current in any brightness, surely be to produce to put out phenomenon certainly and be unlikely to work as mains ripple or hang down.
In the present embodiment; Be provided with a back off timer in the main control chip IC1; Receive the start signal of the 6th pin output of singlechip controller 51 when the secondary signal input pin (being the 6th pin of main control chip IC1) of main control chip IC1; And after the first signal input pin (being the 7th pin of main control chip IC1) of main control chip IC1 receives the voltage signal of said charge-discharge circuit 521 outputs; At first its first signal output part promptly the 9th pin and secondary signal output promptly the 11st pin export the less square-wave signal of a frequency and also start back off timer simultaneously for inverter circuit; When said startup back off timer to after date, governor circuit is exported to inverter circuit with the square-wave signal that the voltage signal of its first signal input pin input carries out after voltage-controlled concussion is handled in inside.Like this, thereby the present invention makes filament pass through certain little electric current earlier through on inverter circuit, applying the less square-wave signal of frequency behind the power connection, lets filament be heated to after the required temperature of electronics emission is the time interval of back off timer; Just on fluorescent tube, add sufficiently high voltage, make fluorescent tube get into arc discharge, light fluorescent tube; Through adopting pipeline start up by preheating, can reduce the required voltage of tube starting, prolonging lamp tube service life; Reduce the fluorescent tube blackout, reduce light decay.
Said singlechip controller 41 includes the memory cell of a preservation remote signal geocoding; Like this, the electricity-saving lamp dimming controlling module receives after the remote signal at every turn, all can the geocoding of having preserved in its geocoding and the memory cell be compared; Handle if geocoding is identical; Abandon handling if geocoding is inequality, can effectively avoid the remote control switch of conventional remote electricity-saving lamp, have phase mutual interference, the easy problem that the phenomenon of control misoperation occurs.
In the present embodiment; Said Case of energy saving lamp 1 is assembled by lamp adapter assembly 11 and lamp holder lid 12; State institute's power saving fluorescent lamps 3 and then removably connect with said lamp holder lid 12, power saving fluorescent lamps 3 is plugged on the said lamp holder lid 12 in the present embodiment, and power saving fluorescent lamps 3 adopts draw-in groove to be connected fixing with the mode that buckle matches with the connecting portion of lamp holder lid 12; The present invention can be with fluorescent tube as an interchangeable assembly like this; When fluorescent tube damages, can plug a new fluorescent tube like a cork and get final product, greatly reduce user's use cost.