CN110446295A - A kind of remote-controlled dimmer circuit - Google Patents
A kind of remote-controlled dimmer circuit Download PDFInfo
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- CN110446295A CN110446295A CN201910582886.8A CN201910582886A CN110446295A CN 110446295 A CN110446295 A CN 110446295A CN 201910582886 A CN201910582886 A CN 201910582886A CN 110446295 A CN110446295 A CN 110446295A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/041—Controlling the light-intensity of the source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a kind of remote-controlled dimmer circuits, including no-voltage detection circuit, rectification circuit, energy-storage voltage stabilizing circuit, electronic switching circuit, wireless communication module and signal processing control circuit, the characteristic that currently widely used light-adjustable LED lamp is different from the LED light that can not be dimmed is utilized, thus both it had been applicable to the incandescent lamp that light-adjustable LED lamp is equally applicable to tunable optical, the voltage value of mains AC is determined by the cooperation of no-voltage detection circuit and signal processing control circuit, in the lesser time interval of the instantaneous voltage value of mains AC, work energy needed for energy-storage voltage stabilizing circuit obtains dimmer circuit, and in the higher section of alternating current instantaneous voltage, signal processing control circuit adjusts the effective voltage of input tunable optical lamp by controlling it setting in period to adjust the brightness of tunable optical lamp, Advantage is to realize the remote-controlled function of light modulator with lower circuit cost.
Description
Technical field
The present invention relates to a kind of dimmer circuits, more particularly, to a kind of remote-controlled dimmer circuit.
Background technique
In the period of incandescent lamp generally uses, incandescent lamp is dimmed using light modulator, is a kind of very commonly used.It is logical
The operation to light modulator is crossed, the turning on light of incandescent lamp may be implemented, turn off the light and brightness regulation, be both able to satisfy different user to difference
The demand of brightness can also reach energy-efficient purpose.
Light modulator has input terminal and output end, and incandescent lamp has firewire input terminal and zero curve input as tunable optical lamps and lanterns
End.In practical applications, the firewire of the firewire of the input terminal connection alternating current of light modulator, the output end connection incandescent lamp of light modulator is defeated
Enter end, the zero curve of the zero curve input terminal connection alternating current of incandescent lamp.With the generally use of LED light, in order to adapt to original white heat
The connection type of the power circuit of lamp and traditional light modulator, another tunable optical lamp-light-adjustable LED lamp are also met the tendency of.
Because light-adjustable LED lamp can directly replace incandescent lamp use, has been obtained and be widely applied.Light-adjustable LED lamp in order to
With the original dimmer operation cooperated with incandescent lamp, have and the matched operating circuit of light modulator, the characteristics of operating circuit is:
It, can low current conducting between light-adjustable LED lamp both ends when the input voltage of light-adjustable LED lamp is lower than the threshold value being arranged inside.
The catenation principle figure of light modulator and tunable optical lamp is as shown in Figure 1.
It needs to be manually operated with original light modulator of incandescent lamp cooperation, it is when use and inconvenient.In recent years, occur on the market
Remote-controlled light modulator, user can remotely operate remote-controlled light modulator by remote controler, and it is (adjustable to adjust tunable optical lamp
Light LED light or incandescent lamp) brightness, it is more convenient to use.
But existing remote-controlled dimmer internal is provided with the radio communication mold carried out wireless communication with remote controler
Block, wireless communication module, which needs to power incessantly, can just be guaranteed at working condition, for this purpose, the remote-controlled dimmer internal
It is additionally provided with rechargeable battery and charging control circuit, when turning on light state, mains supply electricity to wireless communication module power supply,
And when turn-off, then using rechargeable battery to wireless communication module power supply, thus cause, the cost of remote-controlled light modulator
It is higher.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind to have no need to change existing electric power wire wiring structure, utilizes
The characteristic of existing light-adjustable LED lamp can control the remote-controlled light modulation of light-adjustable LED lamp under the premise of cost is relatively low
Device circuit.
The technical scheme of the invention to solve the technical problem is: a kind of remote-controlled dimmer circuit, has
For connecting the input terminal of alternating current firewire and the output end of the firewire input terminal for connecting tunable optical lamp, the light modulator electricity
Road includes at no-voltage detection circuit, rectification circuit, energy-storage voltage stabilizing circuit, electronic switching circuit, wireless communication module and signal
Manage control circuit；The rectification circuit is for accessing mains voltage and the mains voltage of access being converted to direct current
Voltage, the no-voltage detection circuit are used for when the electronic switching circuit open circuit, real-time detection mains
Whether the instantaneous voltage of electricity is zero and exports corresponding judgement signal, and the energy-storage voltage stabilizing circuit has to maximum input current
The current-limiting function and power storage function that are limited, limitation function are used to match to connect with the dimmer circuit
Dimmable LED circuit for lamp saves electric energy function and is used in the certain time that no electric energy inputs, for the light modulator electricity
Road provides normal electric energy；
The electronic switching circuit and the energy-storage voltage stabilizing circuit are connect with the rectification circuit respectively, described
Energy-storage voltage stabilizing circuit respectively with the electronic switching circuit, the signal processing control circuit and the radio communication mold
Block connection, the wireless communication module are used to communicate with remote controler and obtain control signal and be transferred at the signal
Manage control circuit, the electronic switching circuit under the control of the signal processing control circuit enter open-circuit condition or
Short-circuit condition, when the electronic switching circuit is in open-circuit condition, the energy-storage voltage stabilizing circuit is by the rectified current
The DC voltage of road output is converted to the different size of DC voltage of two-way, wherein DC voltage is the electronic switch all the way
Circuit power supply, another way DC voltage is the wireless communication module and the signal processing control circuit power supply, and is worked as
When the described electronic switching circuit short circuit, the input terminal and output end of the dimmer circuit are made by the rectification circuit
Between short circuit, no current flows into the energy-storage voltage stabilizing circuit described at this time, and electric energy needed for the dimmer circuit is by described
The electric energy that is stored in the described electronic switching circuit open circuit of energy-storage voltage stabilizing circuit provide；
The period of the mains AC is denoted as 2T, then half of sine wave period of mains AC is T, it is described
The control period of signal processing control circuit is T, and each control period of the signal processing control circuit is divided into three areas
Between: 0~t1, t1~t2 and t2~T, wherein t1 is fixed value, and the value of t2 is more than or equal to t1 and is less than T, and t2 is described
Dimmer circuit has initial default value when first used, then by the signal reason control circuit according to the nothing
Control signal that line communication module receives updates, in the signal processing control circuit, prestore the value of t2 with
The table of comparisons for the control signal that remote controler is sent；
When the dimmer circuit, which is powered, to be opened, the signal processing control circuit controls the electronics first
Switching circuit enters original state, and the original state of the electronic switching circuit is open-circuit condition, the signal processing control
Circuit processed obtains the judgement signal of the no-voltage detection circuit output in real time, when the no-voltage that certain moment gets
When the instantaneous voltage of the corresponding mains AC of judgement signal of detection circuit output is zero, at the beginning of the electronic switching circuit
Beginning state terminates, and the signal processing control circuit starts timing and enter a control week using the moment as 0 point of timing
Phase；In the section 0~t1 in the control period, the signal processing control circuit control electronic switching circuit is kept
Open-circuit condition, in the section t1~t2 in the control period, the signal processing control circuit control electronic switch
Circuit keeps short-circuit condition, in the section t2~T in the control period, the signal processing control circuit control electricity
Sub switch circuit keeps open-circuit condition again；Within any one control period, the wireless communication module can receive distant
The control signal that device is sent is controlled, obtains the corresponding t2 of the control signal after the signal processing control circuit analysis and Control signal
Data remove the t2 for updating next control period using obtained t2 data, and next control period draws according to updated t2
Divide three sections, controls short circuit and the open-circuit condition of the electronic switching circuit；In the section t1~t2, at the signal
Reason control circuit no longer obtains the judgement signal of the no-voltage detection circuit output；Since the t2 moment, the signal
Control and treatment circuit controls the electronic switching circuit again and enters open-circuit condition, and the signal processing control circuit is real again
When obtain the judgement signal of the no-voltage detection circuit output, at the T moment described in signal processing control circuit obtain
To the corresponding mains voltage of judgement signal of the described no-voltage detection circuit output be zero, the control period ties at this time
Beam, the signal processing control circuit enter next control period, in cycles.
The no-voltage detection circuit has first input end, the second input, output end and ground terminal, and described is whole
Current circuit have firewire input terminal, zero curve input, output end and ground terminal, the energy-storage voltage stabilizing circuit have input terminal,
First output end, second output terminal and ground terminal, the electronic switching circuit have anode, cathode, power end and control terminal,
The wireless communication module has an anode, cathode and output end, the signal processing control circuit have anode, cathode,
Voltage signal inputs, wireless signal input terminal and output end, the firewire input terminal of the rectification circuit and zero electricity
It presses the first input end connection of detection circuit and its connecting pin is the input terminal of the dimmer circuit, the rectification circuit
Zero curve input terminal connected with the second input terminal of the no-voltage detection circuit and its connecting pin is the described light modulator electricity
Positive, described energy storage pressure stabilizing electricity of the output end on road, the output end of the rectification circuit and the electronic switching circuit
The input terminal on road connects, and the first output end of the energy-storage voltage stabilizing circuit and the power end of the electronic switching circuit connect
It connects, the second output terminal of the energy-storage voltage stabilizing circuit is respectively and at the anode of the wireless communication module and the signal
Manage the anode connection of control circuit, the output end of the no-voltage detection circuit and the electricity of the signal processing control circuit
Press signal input part connection, the wireless signal of the output end of the wireless communication module and the signal processing control circuit
Input terminal connection, the output end of the signal processing control circuit are connected with the control terminal of electronic switching circuit, and described is whole
The ground terminal of current circuit, the cathode of the electronic switching circuit, the ground terminal of the energy-storage voltage stabilizing circuit, the signal
The cathode of control and treatment circuit is connected with the ground terminal of the wireless communication module.
The no-voltage detection circuit includes first resistor, second resistance, 3rd resistor, first capacitor and the one or two pole
Pipe, the first diode are zener diode, and one end of the first resistor is the no-voltage detection circuit
First input end, one end of the second resistance are the second input terminal of the no-voltage detection circuit, described first
The other end of resistance, the other end of the second resistance, one end of the 3rd resistor, the first capacitor one end
It is connected with the cathode of the first diode and its connecting pin is the output end of the no-voltage detection circuit, described the
The anode of the other end of three resistance, the other end of the first capacitor and the first diode connects and its connecting pin is
The ground terminal of the no-voltage detection circuit.
The electronic switching circuit includes the first NMOS tube, the second NMOS tube pipe, the 4th resistance and the second capacitor, described
The first NMOS tube drain electrode be the electronic switching circuit anode, the grid of first NMOS tube, described the
One end of four resistance, second capacitor one end connected with the drain electrode of second NMOS tube, the 4th resistance
The other end be electronic switching circuit power end, the grid of second NMOS tube is the control of the electronic switching circuit
The other end at end processed, the source electrode of first NMOS tube, the source electrode of second NMOS tube and second capacitor connects
It connects and its connecting pin is the cathode of the electronic switching circuit.
The energy-storage voltage stabilizing circuit includes the first chip, the second chip, the 5th resistance, the 6th resistance, the 7th resistance, the
Eight resistance, the 9th resistance R9, third capacitor, the 4th capacitor, the second diode, third diode and the first triode, it is described
First chip model is SM2083, and second chip is three linear voltage regulator circuits, has input pin, output pin and ground connection
Foot, the third capacitor are electrolytic capacitor, and second diode is rectifier diode, and the third diode is steady
Diode is pressed, the anode of second diode is connected with one end of the 5th resistance and its connecting pin is the storage
The input terminal of energy voltage regulator circuit, the 8th foot and the 7th electricity of the cathode of second diode, first chip
One end of resistance connects, and the other end of the 7th resistance is connected with the 1st foot of first chip, the 5th resistance
The other end, one end of the 6th resistance, the anode of the third diode and first triode base stage
Connection, the collector of first triode connects with one end of the 8th resistance, the 8th resistance it is another
End is connected with the 4th foot of first chip, and the 5th foot of first chip and one end of the 9th resistance R9 connect
Connect, the 3rd foot of first chip, the cathode of the third diode, the 9th resistance R9 the other end, described
The anode of third capacitor connect with the input pin of second chip and its connecting pin is the energy-storage voltage stabilizing circuit
First output end, the output pin of second chip is connected with one end of the 4th capacitor and its connecting pin is described
The second output terminal of energy-storage voltage stabilizing circuit, the emitter, described of the other end of the 6th resistance, first triode
The cathode of third capacitor, the other end of the 4th capacitor is connected with the grounding leg of second chip and its connecting pin
For the ground terminal of the energy-storage voltage stabilizing circuit.The circuit can limit maximum input current, convenient for the Dimmable LED with connection
The matching of circuit for lamp.
The rectification circuit realizes that the 1st foot of the full bridge rectifier bridge heap is described using full bridge rectifier bridge heap
The firewire input terminal of rectification circuit, the 3rd foot of the full bridge rectifier bridge heap are the zero curve input terminal of the rectification circuit, institute
2nd foot of the full bridge rectifier bridge heap stated is the output end of the rectification circuit, and the 4th foot of the full bridge rectifier bridge heap is institute
The ground terminal for the rectified current stated.
The dimmer circuit further includes button inputting circuits, the button inputting circuits and the data processing
Input dimming control signal is manually operated for user in control circuit connection, the button inputting circuits.
Compared with the prior art, the advantages of the present invention are as follows pass through no-voltage detection circuit, rectification circuit, energy storage pressure stabilizing electricity
Road, electronic switching circuit, wireless communication module and signal processing control circuit form dimmer circuit, and dimmer circuit is utilized
Currently widely used light-adjustable LED lamp is different from the characteristic for the LED light that can not be dimmed, i.e., when low current inputs, tunable optical
Characteristic in short circuit conducting between the input terminal and output end of LED light, had thus both been applicable to light-adjustable LED lamp or applicable
In the incandescent lamp of tunable optical, the electricity of mains AC is determined by the cooperation of no-voltage detection circuit and signal processing control circuit
Pressure value, in the lesser time interval of the instantaneous voltage value of mains AC, energy-storage voltage stabilizing circuit is obtained needed for dimmer circuit
Work energy, and in the higher section of alternating current instantaneous voltage, signal processing control circuit by it is controlled the setting in period come
Realize that traditional dimmers press mains AC the control mode for carrying out copped wave, to adjust input tunable optical lamp (light-adjustable LED lamp
Or the incandescent lamp of tunable optical) effective voltage with lower circuit cost, realize and adjust to adjust the brightness of tunable optical lamp
The remote-controlled function of light device.
Detailed description of the invention
Fig. 1 is the structure chart of existing light modulator and tunable optical lamp；
Fig. 2 is the structure chart of the remote-controlled dimmer circuit of the embodiment of the present invention one；
Fig. 3 is the structure chart of the remote-controlled dimmer circuit of the embodiment of the present invention two；
Fig. 4 is the circuit diagram of the remote-controlled dimmer circuit of the embodiment of the present invention one and embodiment two.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one: as shown in Fig. 2, a kind of remote-controlled dimmer circuit, has the input for connecting alternating current firewire
The output end at end and the firewire input terminal for connecting tunable optical lamp, dimmer circuit includes no-voltage detection circuit, rectified current
Road, energy-storage voltage stabilizing circuit, electronic switching circuit, wireless communication module and signal processing control circuit；Rectification circuit is for accessing
The mains voltage of access is simultaneously converted to DC voltage by mains voltage, and no-voltage detection circuit is used in electronic switch
When open circuit, whether the instantaneous voltage of real-time detection mains AC is zero and exports corresponding judgement signal, energy storage
Voltage regulator circuit has the function of the current-limiting function limited maximum input current and power storage, limitation function for
With the Dimmable LED circuit for lamp connecting with dimmer circuit, the timing that electric energy function is used to input in no electric energy is saved
In, normal electric energy is provided for dimmer circuit；Electronic switching circuit and energy-storage voltage stabilizing circuit are connected with the rectifying circuit respectively,
Energy-storage voltage stabilizing circuit is connect with electronic switching circuit, signal processing control circuit and wireless communication module respectively, radio communication mold
Block is used to carry out communicating acquisition control signal with remote controler and is transferred to signal processing control circuit, and electronic switching circuit is in signal
Enter open-circuit condition or short-circuit condition under the control of control and treatment circuit, when electronic switching circuit is in open-circuit condition, storage
The DC voltage that rectification circuit exports is converted to the different size of DC voltage of two-way by energy voltage regulator circuit, wherein direct current all the way
Pressure is that electronic switching circuit is powered, and another way DC voltage is that wireless communication module and signal processing control circuit are powered, and are worked as
When electronic switching circuit short circuit, short-circuit between the input terminal of dimmer circuit and output end, energy storage at this time is made by rectification circuit
No current flows into voltage regulator circuit, and electric energy needed for dimmer circuit is stored up by energy-storage voltage stabilizing circuit when electronic switching circuit is opened a way
The electric energy deposited provides；The period of mains AC is denoted as 2T, then half of sine wave period of mains AC is T, at signal
The control period for managing control circuit is T, and each control period of signal processing control circuit is divided into three sections: 0~t1, t1~
T2 and t2~T, wherein t1 is pre-set fixed value, and energy-storage voltage stabilizing circuit carries out power storage, t1 in the section 0~t1
Value can make energy-storage voltage stabilizing circuit store electric energy enough within a control period of signal processing control circuit for dim
Device circuit provides normal electric energy, and general value is no more than 3mS, and the value of t2 is more than or equal to t1 and is less than T, t2-t1's
Difference is to provide the time of voltage for the LED light of connection, this difference is bigger, and the virtual value of the input voltage of LED light is bigger, LED
The brightness of lamp is bigger, conversely, this difference is smaller, the brightness of LED light is smaller, is turn-off if this value is zero；T2 is being dimmed
Device circuit has initial default value when first used, is then received by signal reason control circuit according to wireless communication module
Control signal update, in signal processing control circuit, control signal that the value and remote controler for prestoring t2 are sent
The table of comparisons；When dimmer circuit, which is powered, to be opened, signal processing control circuit controls electronic switching circuit first and enters initial shape
The original state of state, electronic switching circuit is open-circuit condition, and it is defeated that signal processing control circuit obtains no-voltage detection circuit in real time
Judgement signal out, when the wink for determining the corresponding mains AC of signal for the no-voltage detection circuit output that certain moment gets
When voltage when being zero, the original state of electronic switching circuit terminates, signal processing control circuit using the moment as 0 point of timing,
Start timing and enters a control period；In the section 0~t1 in the control period, signal processing control circuit controls electronic cutting
Powered-down road keeps open-circuit condition, and in the section t1~t2 in the control period, it is powered-down that signal processing control circuit controls electronic cutting
Road keeps short-circuit condition, and in the section t2~T in the control period, signal processing control circuit controls electronic switching circuit again
Keep open-circuit condition；Within any one control period, wireless communication module can receive the control signal of remote controler transmission, letter
The corresponding t2 data of the control signal are obtained after number control and treatment circuit analysis and Control signal, go to update using obtained t2 data
The t2 in next control period, next control period divide three sections according to updated t2, control electronic switching circuit
Short circuit and open-circuit condition；In the section t1~t2, signal processing control circuit no longer obtains the output of no-voltage detection circuit
Determine signal；Since the t2 moment, signal processing control circuit controls electronic switching circuit again and enters open-circuit condition, signal processing
Control circuit obtains the judgement signal of no-voltage detection circuit output in real time again, and at the T moment, signal processing control circuit is obtained
The corresponding mains voltage of judgement signal for the no-voltage detection circuit output got is zero, at this time the control end cycle,
Signal processing control circuit enters next control period, in cycles.
As shown in Fig. 2, in the present embodiment, no-voltage detection circuit have first input end, the second input, output end and
Ground terminal, rectification circuit have firewire input terminal, zero curve input, output end and ground terminal, and energy-storage voltage stabilizing circuit has input
End, the first output end, second output terminal and ground terminal, electronic switching circuit have anode, cathode, power end and control terminal, nothing
Line communication module has an anode, cathode and output end, signal processing control circuit have anode, cathode, voltage signal inputs,
The firewire input terminal of wireless signal input terminal and output end, rectification circuit connected with the first input end of no-voltage detection circuit and
Its connecting pin is the input terminal of dimmer circuit, the zero curve input terminal of rectification circuit and the second input terminal of no-voltage detection circuit
Connection and its connecting pin are the output end of dimmer circuit, anode, the energy storage of the output end and electronic switching circuit of rectification circuit
The input terminal of voltage regulator circuit connects, and the first output end of energy-storage voltage stabilizing circuit is connected with the power end of electronic switching circuit, energy storage
The second output terminal of voltage regulator circuit is connect with the anode of the anode of wireless communication module and signal processing control circuit respectively, zero electricity
The output end of pressure detection circuit is connected with the voltage signal inputs of signal processing control circuit, the output end of wireless communication module
It is connected with the wireless signal input terminal of signal processing control circuit, the output end and electronic switching circuit of signal processing control circuit
Control terminal connection, the ground terminal of rectification circuit, the cathode of electronic switching circuit, the ground terminal of energy-storage voltage stabilizing circuit, at signal
The cathode of reason control circuit is connected with the ground terminal of wireless communication module.
As shown in figure 4, no-voltage detection circuit includes first resistor R1, second resistance R2,3rd resistor in the present embodiment
R3, first capacitor C1 and first diode D1, first diode D1 are zener diode, and one end of first resistor R1 is no-voltage
The first input end of detection circuit, one end of second resistance R2 are the second input terminal of no-voltage detection circuit, first resistor R1
The other end, the other end of second resistance R2, one end of 3rd resistor R3, one end of first capacitor C1 and first diode D1
Cathode connection and its connecting pin are the output end of no-voltage detection circuit, the other end of 3rd resistor R3, first capacitor C1 it is another
The anode of one end and first diode D1 connect and its connecting pin is the ground terminal of no-voltage detection circuit.
As shown in figure 4, electronic switching circuit includes the first NMOS tube N1, the second NMOS tube N2 pipe, the 4th in the present embodiment
The drain electrode of resistance R4 and the second capacitor C2, the first NMOS tube N1 be electronic switching circuit anode, the grid of the first NMOS tube N1,
One end of 4th resistance R4, the second capacitor C2 one end connected with the drain electrode of the second NMOS tube N2, the other end of the 4th resistance R4
For the power end of electronic switching circuit, the grid of the second NMOS tube N2 is the control terminal of electronic switching circuit, the first NMOS tube N1
Source electrode, the second NMOS tube N2 source electrode and the second capacitor C2 other end connection and its connecting pin be the negative of electronic switching circuit
Pole.
As shown in figure 4, energy-storage voltage stabilizing circuit includes the first chip U1, the second chip U2, the 5th resistance in the present embodiment
R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, third capacitor C3, the 4th capacitor C4, the two or two pole
Pipe D2, third diode D3 and the first triode Q1, the first chip U1 model SM2083, the second chip U2 are three linear steady
Volt circuit has input pin, output pin and grounding leg, and third capacitor C3 is electrolytic capacitor, and the second diode D2 is two poles of rectification
Pipe, third diode D3 are zener diode, and the anode of the second diode D2 is connected with one end of the 5th resistance R5 and it is connected
End is the input terminal of energy-storage voltage stabilizing circuit, the one of the cathode of the second diode D2, the 8th foot of the first chip U1 and the 7th resistance R7
The 1st foot connection of end connection, the other end of the 7th resistance R7 and the first chip U1, the other end, the 6th resistance of the 5th resistance R5
The base stage of one end of R6, the anode of third diode D3 and the first triode Q1 connects, the collector of the first triode Q1 and the
One end of eight resistance R8 connects, the 4th foot connection of the other end of the 8th resistance R8 and the first chip U1, and the 5th of the first chip U1 the
One end of foot and the 9th resistance R9 connection, the 3rd foot of the first chip U1, the cathode of third diode D3, the 9th resistance R9 it is another
The input pin of one end, the anode of third capacitor C3 and the second chip U2 connects and its connecting pin is the first defeated of energy-storage voltage stabilizing circuit
One end connection of outlet, the output pin of the second chip U2 and the 4th capacitor C4 and its connecting pin are the second defeated of energy-storage voltage stabilizing circuit
Outlet, the other end of the 6th resistance R6, the emitter of the first triode Q1, the cathode of third capacitor C3, the 4th capacitor C4 it is another
One end is connected with the grounding leg of the second chip U2 and its connecting pin is the ground terminal of energy-storage voltage stabilizing circuit.
As shown in figure 4, rectification circuit is realized using full bridge rectifier bridge heap Db, full bridge rectifier bridge heap Db's in the present embodiment
1st foot is the firewire input terminal of rectification circuit, and the 3rd foot of full bridge rectifier bridge heap Db is the zero curve input terminal of rectification circuit, full-bridge
The 2nd foot of rectifier bridge stack Db is the output end of rectification circuit, and the 4th foot of full bridge rectifier bridge heap Db is the ground terminal of rectified current.
Embodiment two: as shown in figure 3, a kind of remote-controlled dimmer circuit, has the input for connecting alternating current firewire
The output end at end and the firewire input terminal for connecting tunable optical lamp, dimmer circuit includes no-voltage detection circuit, rectified current
Road, energy-storage voltage stabilizing circuit, electronic switching circuit, wireless communication module, signal processing control circuit and button inputting circuits, rectification
Circuit for accessing mains voltage and the mains voltage of access being converted to DC voltage, use by no-voltage detection circuit
In when electronic switching circuit is opened a way, whether the instantaneous voltage of real-time detection mains AC is zero and exports and corresponding sentence
Determine signal, energy-storage voltage stabilizing circuit has the function of the current-limiting function limited maximum input current and power storage, limit
Function processed saves electric energy function and is used in no electric energy for matching the Dimmable LED circuit for lamp connecting with dimmer circuit
In the certain time of input, normal electric energy is provided for dimmer circuit；Button inputting circuits and data processing and control circuit connect
It connects, input dimming control signal is manually operated for user in button inputting circuits；Electronic switching circuit and energy-storage voltage stabilizing circuit
Be connected with the rectifying circuit respectively, energy-storage voltage stabilizing circuit respectively with electronic switching circuit, signal processing control circuit and wireless communication
Module connection, wireless communication module are used to carry out communicating acquisition control signal with remote controler and are transferred to signal processing control electricity
Road, electronic switching circuit enter open-circuit condition or short-circuit condition under the control of signal processing control circuit, work as electronic switch
When circuit is in open-circuit condition, it is different size of straight that the DC voltage that rectification circuit exports is converted to two-way by energy-storage voltage stabilizing circuit
Galvanic electricity pressure, wherein DC voltage is electronic switching circuit power supply all the way, another way DC voltage is wireless communication module and signal
Control and treatment circuit power supply makes the input terminal of dimmer circuit and defeated by rectification circuit and when electronic switching circuit short circuit
Short-circuit between outlet, no current flows into energy-storage voltage stabilizing circuit at this time, and electric energy needed for dimmer circuit is by energy-storage voltage stabilizing circuit
The electric energy stored in electronic switching circuit open circuit provides；The period of mains AC is denoted as 2T, then mains AC half
A sine wave period is T, and the control period of signal processing control circuit is T, each control period of signal processing control circuit
Be divided into three sections: 0~t1, t1~t2 and t2~T, wherein t1 is pre-set fixed value, energy-storage voltage stabilizing circuit 0~
Power storage is carried out in the section t1, the electric energy that the value of t1 can be such that energy-storage voltage stabilizing circuit stores is enough in signal processing control circuit
A control period in for dimmer circuit provide normal electric energy, general value is greater than no more than 3mS, the value of t2
Equal to t1 and it is less than T, the difference of t2-t1 is to provide the time of voltage for the LED light of connection, this difference is bigger, the input of LED light
The virtual value of voltage is bigger, and the brightness of LED light is bigger, conversely, this difference is smaller, the brightness of LED light is smaller, if this value is
Zero, it is turn-off；T2, when first used, has initial default value, then manages control circuit by signal in dimmer circuit
The control signal that is received according to wireless communication module updates, in signal processing control circuit, prestore the value of t2 with
The table of comparisons for the control signal that remote controler is sent；When dimmer circuit, which is powered, to be opened, signal processing control circuit controls first
Electronic switching circuit enters original state, and the original state of electronic switching circuit is open-circuit condition, and signal processing control circuit is real
When obtain the judgement signal of no-voltage detection circuit output, the judgement letter of the no-voltage detection circuit output got when certain moment
When the instantaneous voltage of number corresponding mains AC is zero, the original state of electronic switching circuit terminates, signal processing control electricity
Road starts timing and enters a control period using the moment as 0 point of timing；In the section 0~t1 in the control period, signal
Control and treatment circuit controls electronic switching circuit and keeps open-circuit condition, in the section t1~t2 in the control period, signal processing
Control circuit controls electronic switching circuit and keeps short-circuit condition, in the section t2~T in the control period, signal processing control electricity
Road control electronic switching circuit keeps open-circuit condition again；Within any one control period, wireless communication module can be received
The control signal that remote controler is sent obtains the corresponding t2 number of the control signal after signal processing control circuit analysis and Control signal
According to removing to update the t2 in next control period using obtained t2 data, next control period divides according to updated t2
Three sections control short circuit and the open-circuit condition of electronic switching circuit；In the section t1~t2, signal processing control circuit is no longer
Obtain the judgement signal of no-voltage detection circuit output；Since the t2 moment, signal processing control circuit controls electronic switch again
Circuit enters open-circuit condition, and signal processing control circuit obtains the judgement signal of no-voltage detection circuit output in real time again, in T
The corresponding mains voltage of judgement signal for the no-voltage detection circuit output that signal processing control circuit is got when the moment
It is zero, the control end cycle, signal processing control circuit enter next control period at this time, in cycles.
As shown in figure 3, in the present embodiment, no-voltage detection circuit have first input end, the second input, output end and
Ground terminal, rectification circuit have firewire input terminal, zero curve input, output end and ground terminal, and energy-storage voltage stabilizing circuit has input
End, the first output end, second output terminal and ground terminal, electronic switching circuit have anode, cathode, power end and control terminal, nothing
Line communication module has an anode, cathode and output end, signal processing control circuit have anode, cathode, voltage signal inputs,
The firewire input terminal of wireless signal input terminal and output end, rectification circuit connected with the first input end of no-voltage detection circuit and
Its connecting pin is the input terminal of dimmer circuit, the zero curve input terminal of rectification circuit and the second input terminal of no-voltage detection circuit
Connection and its connecting pin are the output end of dimmer circuit, anode, the energy storage of the output end and electronic switching circuit of rectification circuit
The input terminal of voltage regulator circuit connects, and the first output end of energy-storage voltage stabilizing circuit is connected with the power end of electronic switching circuit, energy storage
The second output terminal of voltage regulator circuit is connect with the anode of the anode of wireless communication module and signal processing control circuit respectively, zero electricity
The output end of pressure detection circuit is connected with the voltage signal inputs of signal processing control circuit, the output end of wireless communication module
It is connected with the wireless signal input terminal of signal processing control circuit, the output end and electronic switching circuit of signal processing control circuit
Control terminal connection, the ground terminal of rectification circuit, the cathode of electronic switching circuit, the ground terminal of energy-storage voltage stabilizing circuit, at signal
The cathode of reason control circuit is connected with the ground terminal of wireless communication module.
As shown in figure 4, no-voltage detection circuit includes first resistor R1, second resistance R2,3rd resistor in the present embodiment
R3, first capacitor C1 and first diode D1, first diode D1 are zener diode, and one end of first resistor R1 is no-voltage
The first input end of detection circuit, one end of second resistance R2 are the second input terminal of no-voltage detection circuit, first resistor R1
The other end, the other end of second resistance R2, one end of 3rd resistor R3, one end of first capacitor C1 and first diode D1
Cathode connection and its connecting pin are the output end of no-voltage detection circuit, the other end of 3rd resistor R3, first capacitor C1 it is another
The anode of one end and first diode D1 connect and its connecting pin is the ground terminal of no-voltage detection circuit.
As shown in figure 4, electronic switching circuit includes the first NMOS tube N1, the second NMOS tube N2 pipe, the 4th in the present embodiment
The drain electrode of resistance R4 and the second capacitor C2, the first NMOS tube N1 be electronic switching circuit anode, the grid of the first NMOS tube N1,
One end of 4th resistance R4, the second capacitor C2 one end connected with the drain electrode of the second NMOS tube N2, the other end of the 4th resistance R4
For the power end of electronic switching circuit, the grid of the second NMOS tube N2 is the control terminal of electronic switching circuit, the first NMOS tube N1
Source electrode, the second NMOS tube N2 source electrode and the second capacitor C2 other end connection and its connecting pin be the negative of electronic switching circuit
Pole.
As shown in figure 4, energy-storage voltage stabilizing circuit includes the first chip U1, the second chip U2, the 5th resistance in the present embodiment
R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, third capacitor C3, the 4th capacitor C4, the two or two pole
Pipe D2, third diode D3 and the first triode Q1, the first chip U1 model SM2083, the second chip U2 are three linear steady
Volt circuit has input pin, output pin and grounding leg, and third capacitor C3 is electrolytic capacitor, and the second diode D2 is two poles of rectification
Pipe, third diode D3 are zener diode, and the anode of the second diode D2 is connected with one end of the 5th resistance R5 and it is connected
End is the input terminal of energy-storage voltage stabilizing circuit, the one of the cathode of the second diode D2, the 8th foot of the first chip U1 and the 7th resistance R7
The 1st foot connection of end connection, the other end of the 7th resistance R7 and the first chip U1, the other end, the 6th resistance of the 5th resistance R5
The base stage of one end of R6, the anode of third diode D3 and the first triode Q1 connects, the collector of the first triode Q1 and the
One end of eight resistance R8 connects, the 4th foot connection of the other end of the 8th resistance R8 and the first chip U1, and the 5th of the first chip U1 the
One end of foot and the 9th resistance R9 connection, the 3rd foot of the first chip U1, the cathode of third diode D3, the 9th resistance R9 it is another
The input pin of one end, the anode of third capacitor C3 and the second chip U2 connects and its connecting pin is the first defeated of energy-storage voltage stabilizing circuit
One end connection of outlet, the output pin of the second chip U2 and the 4th capacitor C4 and its connecting pin are the second defeated of energy-storage voltage stabilizing circuit
Outlet, the other end of the 6th resistance R6, the emitter of the first triode Q1, the cathode of third capacitor C3, the 4th capacitor C4 it is another
One end is connected with the grounding leg of the second chip U2 and its connecting pin is the ground terminal of energy-storage voltage stabilizing circuit.
As shown in figure 4, rectification circuit is realized using full bridge rectifier bridge heap Db, full bridge rectifier bridge heap Db's in the present embodiment
1st foot is the firewire input terminal of rectification circuit, and the 3rd foot of full bridge rectifier bridge heap Db is the zero curve input terminal of rectification circuit, full-bridge
The 2nd foot of rectifier bridge stack Db is the output end of rectification circuit, and the 4th foot of full bridge rectifier bridge heap Db is the ground terminal of rectified current.
Claims (7)
1. a kind of remote-controlled dimmer circuit, has for connecting the input terminal of alternating current firewire and for connecting tunable optical lamp
The output end of firewire input terminal, it is characterised in that the dimmer circuit includes no-voltage detection circuit, rectification circuit, energy storage
Voltage regulator circuit, electronic switching circuit, wireless communication module and signal processing control circuit；The rectification circuit is for accessing city
The mains voltage of access is simultaneously converted to DC voltage by electric alternating voltage, and the no-voltage detection circuit is used for described
Electronic switching circuit open circuit when, whether the instantaneous voltage of real-time detection mains AC is zero and exports corresponding judgement
Signal, the energy-storage voltage stabilizing circuit have the function of the current-limiting function limited maximum input current and power storage,
Its limitation function saves electric energy function and is used for for matching the Dimmable LED circuit for lamp connecting with the dimmer circuit
In the certain time of no electric energy input, normal electric energy is provided for the dimmer circuit；
The electronic switching circuit and the energy-storage voltage stabilizing circuit are connect with the rectification circuit respectively, the energy storage
Voltage regulator circuit connects with the electronic switching circuit, the signal processing control circuit and the wireless communication module respectively
It connects, the wireless communication module is used to communicate with remote controler and obtains control signal and be transferred to the signal processing control
Circuit processed, the electronic switching circuit enter open-circuit condition or short circuit under the control of the signal processing control circuit
State, when the electronic switching circuit is in open-circuit condition, the energy-storage voltage stabilizing circuit is defeated by the rectification circuit
DC voltage out is converted to the different size of DC voltage of two-way, wherein DC voltage is the electronic switching circuit all the way
Power supply, another way DC voltage are the wireless communication module and the signal processing control circuit power supply, and when described
Electronic switching circuit short circuit when, made between the input terminal and output end of the dimmer circuit by the rectification circuit
Short circuit, no current flows into the energy-storage voltage stabilizing circuit at this time, and electric energy needed for the dimmer circuit is by the storage
The electric energy that energy voltage regulator circuit is stored in the electronic switching circuit open circuit provides；
The period of the mains AC is denoted as 2T, then half of sine wave period of mains AC is T, the signal
The control period of control and treatment circuit is T, and each control period of the signal processing control circuit is divided into three sections: 0
~t1, t1~t2 and t2~T, wherein t1 is fixed value, and the value of t2 is more than or equal to t1 and is less than T, and t2 is in the light modulation
Device circuit has initial default value when first used, then by the signal reason control circuit according to the channel radio
The control signal that module receives is believed to update, and in the signal processing control circuit, prestores the value and remote control of t2
The table of comparisons for the control signal that device is sent；
When the dimmer circuit, which is powered, to be opened, the signal processing control circuit controls the electronic switch first
Circuit enters original state, and the original state of the electronic switching circuit is open-circuit condition, and the signal processing controls electricity
Road obtains the judgement signal of the no-voltage detection circuit output in real time, when the no-voltage detection that certain moment gets
When the instantaneous voltage of the corresponding mains AC of judgement signal of circuit output is zero, the initial shape of the electronic switching circuit
State terminates, and the signal processing control circuit starts timing and enter a control period using the moment as 0 point of timing；In
In the section 0~t1 in the control period, the signal processing control circuit control electronic switching circuit keeps open circuit
State, in the section t1~t2 in the control period, the signal processing control circuit control electronic switching circuit
Short-circuit condition is kept, in the section t2~T in the control period, the signal processing control circuit control electronic cutting
Powered-down road keeps open-circuit condition again；Within any one control period, the wireless communication module can receive remote controler
The control signal of transmission obtains the corresponding t2 number of the control signal after the signal processing control circuit analysis and Control signal
According to removing to update the t2 in next control period using obtained t2 data, next control period divides according to updated t2
Three sections control short circuit and the open-circuit condition of the electronic switching circuit；In the section t1~t2, the signal processing
Control circuit no longer obtains the judgement signal of the no-voltage detection circuit output；Since the t2 moment, at the signal
Reason control circuit controls the electronic switching circuit again and enters open-circuit condition, and the signal processing control circuit is real-time again
The judgement signal for obtaining the no-voltage detection circuit output, at the T moment described in signal processing control circuit get
The corresponding mains voltage of judgement signal of the described no-voltage detection circuit output be zero, the control period ties at this time
Beam, the signal processing control circuit enter next control period, in cycles.
2. the remote-controlled dimmer circuit of one kind according to claim 1, it is characterised in that the no-voltage detects electricity
Road has first input end, the second input, output end and ground terminal, and the rectification circuit has firewire input terminal, zero curve
Input, output end and ground terminal, the energy-storage voltage stabilizing circuit have input terminal, the first output end, second output terminal and connect
Ground terminal, the electronic switching circuit have anode, cathode, power end and control terminal, and the wireless communication module has just
Pole, cathode and output end, the signal processing control circuit have anode, cathode, voltage signal inputs, wireless signal defeated
Enter end and output end, the firewire input terminal of the rectification circuit is connected with the first input end of the no-voltage detection circuit
And its connecting pin is the input terminal of the dimmer circuit, the zero curve input terminal of the rectification circuit and the no-voltage
Second input terminal of detection circuit connects and its connecting pin is the output end of the dimmer circuit, the rectification circuit
Output end is connected with the input terminal of positive, described energy-storage voltage stabilizing circuit of the electronic switching circuit, and the energy storage is steady
First output end of volt circuit is connected with the power end of the electronic switching circuit, and the second of the energy-storage voltage stabilizing circuit is defeated
Outlet is connect with the anode of the anode of the wireless communication module and the signal processing control circuit respectively, and described zero
The output end of voltage detecting circuit is connected with the voltage signal inputs of the signal processing control circuit, the channel radio
The output end of letter module is connected with the wireless signal input terminal of the signal processing control circuit, the signal processing control
The output end of circuit is connected with the control terminal of electronic switching circuit, the ground terminal of the rectification circuit, the electronic switch
The cathode of circuit, the ground terminal of the energy-storage voltage stabilizing circuit, the cathode of the signal processing control circuit and the nothing
The ground terminal of line communication module connects.
3. the remote-controlled dimmer circuit of one kind according to claim 2, it is characterised in that the no-voltage detects electricity
Road includes first resistor, second resistance, 3rd resistor, first capacitor and first diode, and the first diode is pressure stabilizing
Diode, one end of the first resistor are the first input end of the no-voltage detection circuit, the second resistance
One end be the no-voltage detection circuit the second input terminal, the other end of the first resistor, described second electricity
The other end of resistance, one end of the 3rd resistor, one end of the first capacitor and the first diode cathode
Connection and its connecting pin are the output end of the no-voltage detection circuit, the other end of the 3rd resistor, described the
The other end of one capacitor and the anode of the first diode connect and its connecting pin is the no-voltage detection circuit
Ground terminal.
4. the remote-controlled dimmer circuit of one kind according to claim 2, it is characterised in that the electronic switching circuit
Including the first NMOS tube, the second NMOS tube pipe, the 4th resistance and the second capacitor, the drain electrode of first NMOS tube is described
The anode of electronic switching circuit, the grid of first NMOS tube, one end of the 4th resistance, second capacitor
One end connected with the drain electrode of second NMOS tube, the other end of the 4th resistance is the power supply of electronic switching circuit
End, the grid of second NMOS tube are the control terminal of the electronic switching circuit, the source electrode of first NMOS tube,
The source electrode of second NMOS tube is connected with the other end of second capacitor and its connecting pin is the electronic switch
The cathode of circuit.
5. the remote-controlled dimmer circuit of one kind according to claim 2, it is characterised in that the energy-storage voltage stabilizing circuit
Including the first chip, the second chip, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance R9, third electricity
Appearance, the 4th capacitor, the second diode, third diode and the first triode, first chip model is SM2083, described
The second chip be three linear voltage regulator circuits, have input pin, output pin and grounding leg, the third capacitor be electrolysis electricity
Hold, second diode is rectifier diode, and the third diode is zener diode, second diode
Anode connected with one end of the 5th resistance and its connecting pin for the energy-storage voltage stabilizing circuit input terminal, it is described
The cathode of second diode, first chip the 8th foot connected with one end of the 7th resistance, described 7th electricity
The other end of resistance is connected with the 1st foot of first chip, the other end of the 5th resistance, the 6th resistance
One end, the third diode anode connected with the base stage of first triode, the collection of first triode
Electrode is connected with one end of the 8th resistance, the other end of the 8th resistance and the 4th foot of first chip
Connection, the 5th foot of first chip are connected with one end of the 9th resistance R9, the 3rd foot of first chip,
The cathode of the third diode, the other end of the 9th resistance R9, the anode of the third capacitor and described
The input pin of second chip connects and its connecting pin is the first output end of the energy-storage voltage stabilizing circuit, second chip
Output pin connected with one end of the 4th capacitor and its connecting pin be the energy-storage voltage stabilizing circuit second output terminal,
The other end of 6th resistance, the emitter of first triode, the cathode of the third capacitor, described
The other end of four capacitors is connected with the grounding leg of second chip and its connecting pin is connecing for the energy-storage voltage stabilizing circuit
Ground terminal.
6. the remote-controlled dimmer circuit of one kind according to claim 2, it is characterised in that the rectification circuit uses
Full bridge rectifier bridge heap realizes that the 1st foot of the full bridge rectifier bridge heap is the firewire input terminal of the rectification circuit, described
3rd foot of full bridge rectifier bridge heap is the zero curve input terminal of the rectification circuit, and the 2nd foot of the full bridge rectifier bridge heap is institute
The output end for the rectification circuit stated, the 4th foot of the full bridge rectifier bridge heap are the ground terminal of the rectified current.
7. the remote-controlled dimmer circuit of one kind according to claim 2, it is characterised in that the dimmer circuit is also
Including button inputting circuits, the button inputting circuits and the data processing and control circuit connection, the key are defeated
Enter circuit and input dimming control signal is manually operated for user.
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| CN201910582886.8A CN110446295B (en) | 2019-07-01 | 2019-07-01 | Remote-controlled dimmer circuit |
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|---|---|---|---|
| CN201910582886.8A CN110446295B (en) | 2019-07-01 | 2019-07-01 | Remote-controlled dimmer circuit |
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| CN111031636A (en) * | 2019-12-31 | 2020-04-17 | 鹰潭阳光照明有限公司 | Light-operated LED lamp circuit capable of setting working mode |
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| CN110446295B (en) | 2021-06-11 |
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