CN209593818U - A kind of LED controller and LED control system - Google Patents
A kind of LED controller and LED control system Download PDFInfo
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- CN209593818U CN209593818U CN201821640222.XU CN201821640222U CN209593818U CN 209593818 U CN209593818 U CN 209593818U CN 201821640222 U CN201821640222 U CN 201821640222U CN 209593818 U CN209593818 U CN 209593818U
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Abstract
The utility model discloses a kind of LED controller and LED control systems, as a kind of controller that the brightness of LED light and colour temperature can be adjusted simultaneously in the utility model, it includes power input, bipolar drive module and main control module, the operating mode of bipolar drive module is controlled by the way that main control module is exported pwm control signal, to adjust the brightness and colour temperature of LED light simultaneously, solving in the prior art can not be to LED light while the technical issues of carry out brightness and color temperature adjustment, provide a kind of LED controller that can carry out light modulation toning to LED light simultaneously；A kind of LED control system includes light modulator, the LED module of at least two colour temperatures and the LED controller in the utility model, wherein LED controller to LED module while carrying out light modulation toning according to the control signal of the light modulator received.
Description
Technical field
The utility model relates to LED fields, more particularly, to a kind of LED controller and LED control system.
Background technique
With the continuous development of LED technology, more and more LED illuminations are also continued to bring out out in people's daily life to produce
The Multi-functional Lighting of product, LED illumination product is gradually concerned by people, especially in the light friendliness side of LED illumination product
Face according to different scene demands is adjusted the brightness of LED illumination product and coloration and most to favor as current consumer
One of one function.
In the prior art, brightness is realized generally by traditional light modulator on the light to LED illumination product is adjusted
Adjusting, but this can not be adjusted accordingly colour temperature；It or is that brightness is realized by single physical switch
Sectional-regulated or color temperature adjustment can not simultaneously be adjusted the brightness of LED illumination product and colour temperature simultaneously.Therefore, how to solve
Certainly the above problem facilitates the further development of LED technology.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to provide a kind of LED controller and LED control system that can carry out light modulation toning to LED light simultaneously with a novel purpose.
The technical scheme adopted by the utility model is
A kind of LED controller in the utility model comprising power input, bipolar drive module and main control module；
Wherein, power input is connect with the input terminal of bipolar drive module, the output end and bipolar drive module of main control module
Input terminal connection, main control module signal and exports pwm control signal for receiving external LED control, described bipolar to control
Property drive module, bipolar drive module is used to drive the LED modules of at least two colour temperatures.
Further, LED controller further includes voltage transformation module；Wherein, the input terminal and power supply of voltage transformation module
Input terminal connection, the output end of voltage transformation module and the input terminal of main control module connect.
Further, bipolar drive module includes first switch tube, second switch, third switching tube, the 4th switch
Pipe, the 5th switching tube and the 6th switching tube；Wherein, the output end of main control module respectively with the control terminal of first switch tube, the 4th
The control terminal of switching tube, the control terminal of the 5th switching tube, the control terminal of the 6th switching tube are connected to input pwm control signal, the
The negative output terminal of one switching tube, the negative output terminal of the 4th switching tube, the negative output terminal of the 5th switching tube, the 6th switching tube bear it is defeated
Outlet is grounded respectively, and the positive output end of first switch tube and the control terminal of second switch connect, the positive output of second switch
End is connect with the positive output end of third switching tube, power input, and the control terminal of third switching tube is just defeated with the 4th switching tube
Outlet connection, the negative output terminal of second switch are connect with the positive output end of the 5th switching tube, the negative output terminal of second switch
As the first output end of bipolar drive module, the negative output terminal of third switching tube is second defeated as bipolar drive module
Outlet.
Further, first switch tube and the 4th switching tube are NPN triode, the control terminal of first switch tube and the
The control terminal of four switching tubes is the base stage of NPN triode, the positive output end of the positive output end of first switch tube and the 4th switching tube
For the collector of NPN triode, the negative output terminal of the negative output terminal of first switch tube and the 4th switching tube is the hair of NPN triode
Emitter-base bandgap grading.
Further, second switch, third switching tube, the 5th switching tube, the 6th switching tube are metal-oxide-semiconductor, second switch
Control terminal, the control terminal of third switching tube, the control terminal of the 5th switching tube, the control terminal of the 6th switching tube of pipe are metal-oxide-semiconductor
Grid, the positive output end of second switch, the positive output end of third switching tube, the positive output end of the 5th switching tube, the 6th switch
The positive output end of pipe is the drain electrode of metal-oxide-semiconductor, the negative output terminal of second switch, the negative output terminal of third switching tube, the 5th switch
The negative output terminal of pipe, the 6th switching tube negative output terminal be metal-oxide-semiconductor source electrode.
Further, second switch and third switching tube are PMOS tube, and the 5th switching tube and the 6th switching tube are NMOS
Pipe.
A kind of LED control system in the utility model comprising light modulator, the LED module of at least two colour temperatures and institute
The LED controller stated, wherein the output end of light modulator and the input terminal of main control module are connected to input external LED control signal,
The output end of the bipolar drive module of LED controller is connect with LED module.
Further, LED control system further includes power module, and the output end of power module is connect with power input.
Further, LED module includes warm white optical mode group and cool white optical mode group；The anode of warm white LED mould group, cool white light
The cathode of LED module is connect with the first output end of bipolar drive module, anode, the warm white LED of cool white light LED module
The cathode of mould group is connect with the second output terminal of bipolar drive module.
Further, light modulator includes 0-10V light modulator, PWM light modulator or resistive dimmers.
The beneficial effects of the utility model are:
A kind of LED controller in the utility model comprising power input, bipolar drive module and main control module,
The operating mode of bipolar drive module is controlled by the way that main control module is exported pwm control signal, to adjust LED light simultaneously
Brightness and colour temperature, solving can not provide in the prior art to LED light while the technical issues of carry out brightness and color temperature adjustment
A kind of LED controller that can carry out light modulation toning to LED light simultaneously.
Another beneficial effect of the utility model is a kind of LED control system in the utility model comprising light modulation
Device, the LED module of at least two colour temperatures and the LED controller, LED controller is according to the control of the light modulator received
Signal so that carry out light modulation toning to LED module simultaneously.
Detailed description of the invention
Fig. 1 is an a kind of specific embodiment circuit block diagram of LED control system in the utility model；
Fig. 2 is an a kind of specific embodiment circuit diagram of the bipolar drive module of LED controller in the utility model.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Referring to Fig.1, a kind of LED controller in the utility model comprising bipolar drive module, voltage transformation module and
Main control module；Wherein, voltage transformation module can be realized by transformation chip, the output end of voltage transformation module and main control module it is defeated
Enter end connection, for powering after being converted voltage to main control module, the output end and bipolar drive module of main control module
Input terminal connection, main control module can realize that main control module receives the control signal of light modulator, further according to light modulator by MCU
Control signal exports pwm control signal and gives bipolar drive module, so that bipolar drive module switches different work
Mode, and then light modulation toning is carried out to double-colored temperature LED module.A kind of LED controller, passes through main control module in the utility model
Pwm control signal is exported to control the operating mode of bipolar drive module, to adjust brightness and the color of LED module simultaneously
Temperature, solving in the prior art can not be to LED light while the technical issues of carry out brightness and color temperature adjustment.
As shown in Fig. 2, a kind of bipolar drive module of LED controller includes first switch tube, in the utility model
Two switching tubes, third switching tube, the 4th switching tube, the 5th switching tube and the 6th switching tube；Specifically, bipolar drive module packet
Include the first triode Q1, the second triode Q4, the first metal-oxide-semiconductor Q2, the second metal-oxide-semiconductor Q3, third metal-oxide-semiconductor Q5, the 4th metal-oxide-semiconductor Q6,
First resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the first power supply are defeated
Enter to hold VCC1 24V, second source input terminal VCC2 24V and jumper terminal；Wherein, the first triode Q1 and the second triode Q4
It is NPN triode, the first metal-oxide-semiconductor Q2 and the second metal-oxide-semiconductor Q3 are PMOS tube, and third metal-oxide-semiconductor Q5 and the 4th metal-oxide-semiconductor Q6 are NMOS
The first via control signal PWM1 of pipe, main control module output is connect with the base stage of the first triode Q1, the hair of the first triode Q1
The collector of emitter grounding, the first triode Q1 is connect with one end of first resistor R1, the other end of first resistor R1 and second
The grid connection of one end of resistance R2, the first metal-oxide-semiconductor Q2, the other end of second resistance R2 and the first input power input terminal VCC1
24V, second source input terminal VCC2 24V, the drain electrode of the first metal-oxide-semiconductor Q2, the drain electrode of the second metal-oxide-semiconductor Q3,3rd resistor R3 one
End connection, the other end of 3rd resistor R3 are connect with one end of the grid of the second metal-oxide-semiconductor Q3, the 4th resistance R4, the 4th resistance R4
The other end connect with the collector of the second triode Q4, the third road of the base stage of the second triode Q4 and main control module output is controlled
Signal PWM3 connection processed, the emitter ground connection of the second triode Q4, the drain electrode of the source electrode and the 4th metal-oxide-semiconductor Q6 of the second metal-oxide-semiconductor Q3
Connection, one end of the second tunnel control signal PWM2 and the 5th resistance R5 of main control module output, the grid of third metal-oxide-semiconductor Q5 connect
It connects, the other end ground connection of the 5th resistance R5, the source electrode ground connection of third metal-oxide-semiconductor Q5, the drain electrode of third metal-oxide-semiconductor Q5 and the first metal-oxide-semiconductor
The source electrode of Q2, the first input end of jumper terminal, the third input terminal of jumper terminal, bipolar drive module the first output end
Connection, one end of the 4th tunnel control signal PWM4 and the 6th resistance R6 of main control module output, the grid of the 4th metal-oxide-semiconductor Q6 connect
It connects, the other end of the 6th resistance R6 ground connection, the source electrode ground connection of the 4th metal-oxide-semiconductor Q6, the drain electrode of the 4th metal-oxide-semiconductor Q6 and jumper terminal
The second output terminal connection of second input terminal, the 4th input terminal of jumper terminal, bipolar drive module, access jumper terminal can
Multichannel interface is provided.In the present embodiment, bipolar drive module can be prevented disconnected in a power supply connection using dual power supply input
Open or voltage instability timing so that another power supply be bipolar drive module continue to power, guarantee the bipolar drive module
Normal work.
Referring to Fig. 2, the course of work of bipolar drive module is as follows: by the cathode of warm white tone LED module D1, cool white
The anode of light LED module D2 is connect with the first output end of bipolar drive module, by the sun of warm white tone LED module D1
Pole, cool white light LED module D2 cathode connect with the first output end of bipolar drive module, when the of main control module output
Controlling signal PWM1 and the 4th tunnel control signal PWM4 all the way is high level, and the second tunnel of main control module output controls signal PWM2
With third road control signal PWM3 be low level when, the first triode Q1, the first metal-oxide-semiconductor Q2, the 4th metal-oxide-semiconductor Q6 are conducting shape
State, at this point, warm white tone LED module D1 is bright, cool white light tone LED module D2 extinguishes；When the first via of main control module output
It controls signal PWM1 and the 4th tunnel control signal PWM4 is low level, the second tunnel control signal PWM2 and the of main control module output
When three tunnels control signal PWM3 is high level, at this point, cool white light tone LED module D2 is bright, warm white tone LED module D1 is put out
It goes out；When the four tunnels control signal of main control module output is all high level, warm white tone LED module D1 and cool white light tone
LED module D2 is lighted simultaneously；It is different by the duty ratio of 4 road pwm control signals again, thus to warm white tone LED module D1
The adjusting of brightness is carried out with cool white light tone LED module；Therefore, by above-described LED controller, it can be achieved that LED light
Brightness and colour temperature be adjusted simultaneously.
As shown in Figure 1, a kind of LED control system in the utility model comprising power module, light modulator, at least two
The LED module of colour temperature and the LED controller, wherein power module is constant pressure power supply, the output end of power module
It is connect respectively with the input terminal of bipolar drive module, the input terminal of voltage transformation module in LED controller, the output of light modulator
End is connect to input external LED control signal, the output end and LED module of bipolar drive module with the input terminal of main control module
Connection, in the present embodiment, the LED module used is the double-colored temperature LED including warm white LED mould group and cool white light LED module
Mould group, light modulator can realize that LED controller is according to reception by 0-10V light modulator, PWM light modulator or resistive dimmers
To light modulator control signal to carry out light modulation toning simultaneously to warm white LED mould group and/or cool white light LED module.
It is to be illustrated to the preferable implementation of the utility model, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of LED controller, which is characterized in that including power input, bipolar drive module and main control module；The electricity
Source input terminal is connect with the input terminal of the bipolar drive module, the output end of the main control module and the bipolar drive
The input terminal of module connects, and the main control module is for receiving external LED control signal and exporting pwm control signal, with control
The bipolar drive module, the bipolar drive module are used to drive the LED module of at least two colour temperatures.
2. LED controller according to claim 1, which is characterized in that the LED controller further includes voltage modulus of conversion
Block；The input terminal of the voltage transformation module is connect with the power input, the output end of the voltage transformation module and institute
State the input terminal connection of main control module.
3. LED controller according to claim 1, which is characterized in that the bipolar drive module includes first switch
Pipe, second switch, third switching tube, the 4th switching tube, the 5th switching tube and the 6th switching tube；The output of the main control module
End respectively with the control terminal of first switch tube, the control terminal of the 4th switching tube, the control terminal of the 5th switching tube, the 6th switching tube
Control terminal is connected to input pwm control signal, the negative output of the negative output terminal of the first switch tube, the 4th switching tube
End, the negative output terminal of the 5th switching tube, the 6th switching tube negative output terminal be grounded respectively, the first switch tube
Positive output end is connect with the control terminal of the second switch, the positive output end of the second switch and the third switching tube
Positive output end, the power input connection, the positive output of the control terminal of the third switching tube and the 4th switching tube
End connection, the negative output terminal of the second switch are connect with the positive output end of the 5th switching tube, the second switch
First output end of the negative output terminal as bipolar drive module, the negative output terminal of the third switching tube drives as bipolarity
The second output terminal of dynamic model block.
4. LED controller according to claim 3, which is characterized in that the first switch tube and the 4th switching tube
For NPN triode, the control terminal of the control terminal of the first switch tube and the 4th switching tube is the base stage of NPN triode,
The positive output end of the positive output end of the first switch tube and the 4th switching tube is the collector of NPN triode, described the
The negative output terminal of the negative output terminal of one switching tube and the 4th switching tube is the emitter of NPN triode.
5. LED controller according to claim 3, which is characterized in that the second switch, the third switching tube,
5th switching tube, the 6th switching tube are metal-oxide-semiconductor, the control terminal of the second switch, the third switching tube
Control terminal, the control terminal of the 5th switching tube, the grid that the control terminal of the 6th switching tube is metal-oxide-semiconductor, described second opens
Close the positive output end of pipe, the positive output end of the third switching tube, the positive output end of the 5th switching tube, the 6th switch
The positive output end of pipe be metal-oxide-semiconductor drain electrode, the negative output terminal of the second switch, the third switching tube negative output terminal,
The negative output terminal of 5th switching tube, the source electrode that the negative output terminal of the 6th switching tube is metal-oxide-semiconductor.
6. LED controller according to claim 5, which is characterized in that the second switch and the third switching tube
For PMOS tube, the 5th switching tube and the 6th switching tube are NMOS tube.
7. a kind of LED control system, which is characterized in that LED module and claim including light modulator, at least two colour temperatures
1 to 6 described in any item LED controllers, the output end of the light modulator and the input terminal of main control module are connected to input outside
The output end of LED control signal, the bipolar drive module of the LED controller is connect with the LED module.
8. LED control system according to claim 7, which is characterized in that the LED control system further includes power supply mould
The output end of block, the power module is connect with power input.
9. LED control system according to claim 7 or 8, which is characterized in that the LED module includes warm white optical mode group
With cool white optical mode group；The cathode of positive, the described cool white light LED module of the warm white LED mould group drives with the bipolarity
First output end of dynamic model block connects, and the cathode of positive, the described warm white LED mould group of the cool white light LED module is and institute
State the second output terminal connection of bipolar drive module.
10. LED control system according to claim 7 or 8, which is characterized in that the light modulator includes 0-10V light modulation
Device, PWM light modulator or resistive dimmers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640222.XU CN209593818U (en) | 2018-10-10 | 2018-10-10 | A kind of LED controller and LED control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640222.XU CN209593818U (en) | 2018-10-10 | 2018-10-10 | A kind of LED controller and LED control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209593818U true CN209593818U (en) | 2019-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821640222.XU Active CN209593818U (en) | 2018-10-10 | 2018-10-10 | A kind of LED controller and LED control system |
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| Country | Link |
|---|---|
| CN (1) | CN209593818U (en) |
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- 2018-10-10 CN CN201821640222.XU patent/CN209593818U/en active Active
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Effective date of registration: 20220210 Address after: 225213 Huacai Industrial Park, Zhongai village, Jiangdu District, Yangzhou City, Jiangsu Province Patentee after: YANGZHOU HUACAI OPTO-ELECTRONICS Co.,Ltd. Address before: 518108 building A5, Qixing smart city, Qingnian Road, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HUACAI OPTO-ELECTRONICS Co.,Ltd. |