CN107567148A - A kind of LED drive device - Google Patents
A kind of LED drive device Download PDFInfo
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- CN107567148A CN107567148A CN201710914681.6A CN201710914681A CN107567148A CN 107567148 A CN107567148 A CN 107567148A CN 201710914681 A CN201710914681 A CN 201710914681A CN 107567148 A CN107567148 A CN 107567148A
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Abstract
The invention belongs to field of LED drive technology, there is provided a kind of LED drive device.In the present invention, LED drive device includes rectification module, main power source module, auxiliary power module, wireless control module, the first LED light module and the second LED light module, auxiliary power module is used to be powered for wireless control module in LED drive device, avoid making main power source module power for wireless control module, therefore, main power source module solves the problems, such as that main power source module efficiency is low and heating is serious without using low-voltage, high-current output scheme.
Description
Technical field
The invention belongs to field of LED drive technology, more particularly to a kind of LED drive device.
Background technology
Existing LED drive device, as shown in figure 1, rectification module carries out rectification, and output ripple to the alternating current of input
Direct current to main power source module, main power source module carries out decompression transformation to Rectified alternating current, and exports low-voltage DC and sent out for LED
Optical module is powered, and voltage reduction module carries out decompression transformation to the low-voltage DC, and then it is wireless control module to export first voltage
Power supply.Wireless control module is according to external control signal output driving control signal to LED light module to drive LED to light mould
Block lights.In the existing LED drive device, because the maximum operating currenbt of wireless control module is up to 30~50mA, this is just
It is required that the difference between the magnitude of voltage for the low-voltage DC that main power source module is exported and the magnitude of voltage of first voltage can not be too big,
Therefore, main power source module can only use the output scheme of low-voltage, high-current, so as to cause the efficiency of main power source module low and generate heat
Seriously.
Therefore, because using low-voltage, high-current output scheme there is effect in the main power source module in existing LED drive device
Rate is low and generates heat the problem of serious.
The content of the invention
It is an object of the invention to provide a kind of LED drive device, it is intended to solves the main electricity in existing LED drive device
Source module is because using the efficiency present in low-voltage, high-current output scheme low and generating heat the problem of serious.
The present invention is achieved in that a kind of LED drive device, and the LED drive device includes rectification module, described whole
Flow module carries out rectification to the alternating current of input and exports the first direct current；The LED drive device also include main power source module,
Auxiliary power module, wireless control module, the first LED light module and the second LED light module.
The input of the output end of the rectification module and the main power source module is connected to the auxiliary power module altogether
Input, the input of the output end of the auxiliary power module and first LED light module are connected to the wireless controlled altogether
The power end of molding block；The output end of the output end of first LED light module and second LED light module respectively with
First control terminal of the wireless control module is connected with the second control terminal, the output end of the main power source module and described the
The input of two LED light modules is connected；Or the output end of first LED light module and the wireless controlled molding
3rd control terminal of block is connected, and the 4th control terminal of the wireless control module is connected with the controlled end of the main power source module
Connect, the output end of the main power source module is connected with the input of second LED light module, and the 2nd LED lights
The output end of module is connected with the control terminal of the main power source module；
It is described second that the main power source module, which carries out voltage conversion to first direct current and exports the second direct current,
LED light module is powered, and the auxiliary power module carries out voltage conversion to first direct current and exports the second direct current
Powered for first LED light module and the wireless control module, the control letter outside the wireless control module reception
Number；The wireless control module controls first LED light module and the luminous moulds of the 2nd LED according to the control signal
Block lights；Or the wireless control module controls first LED light module to light according to the control signal, simultaneously
Second control signal is exported to the main power source module according to the control signal, the main power source module is according to the described second control
Signal processed controls second LED light module to light.
In the present invention, LED drive device includes rectification module, main power source module, auxiliary power module, wireless controlled molding
Block, the first LED light module and the second LED light module, auxiliary power module is used as wireless controlled molding in LED drive device
Block is powered, and avoids making main power source module power for wireless control module, and therefore, main power source module need not be defeated using low-voltage, high-current
Go out scheme, solve the problems, such as that main power source module efficiency is low and heating is serious.
Brief description of the drawings
Fig. 1 is the structural representation for the LED drive device that prior art of the present invention provides；
Fig. 2 is the structural representation of LED drive device provided in an embodiment of the present invention；
Fig. 3 is the structural representation for the LED drive device that another embodiment of the present invention provides；
Fig. 4 is the schematic circuit diagram of LED drive device provided in an embodiment of the present invention；
Fig. 5 is the schematic circuit diagram for the LED drive device that another embodiment of the present invention provides.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 2 and Fig. 3 respectively illustrates the structural representation of LED drive device provided in an embodiment of the present invention, for the ease of
Illustrate, illustrate only the part related to the embodiment of the present invention, details are as follows：
LED drive device shown in Fig. 2 includes rectification module 100, main power source module 200, auxiliary power module 300, nothing
Line traffic control module 400, the first LED light module 500 and the second LED light module 600.
The output end of rectification module 100 is connected to the input of auxiliary power module 300 with the input of main power source module 200 altogether
End, the input of the output end of auxiliary power module 300 and the first LED light module 500 are connected to wireless control module 400 altogether
Power end；The output end of the output end of first LED light module 500 and the second LED light module 600 respectively with wireless controlled molding
First control terminal of block 400 is connected with the second control terminal, the output end of main power source module 200 and the second LED light module 600
Input be connected.
Rectification module 100 carries out rectification to the alternating current of input and exports the first direct current, and main power source module 200 is to first
It is that the second LED light module 600 is powered that direct current, which carries out voltage conversion and exports the second direct current, and auxiliary power module 300 is right
It is that the first LED light module 500 and wireless control module 400 supply that first direct current, which carries out voltage conversion and exports the second direct current,
Electricity, wireless control module 400 receive the control signal of outside；Wireless control module 400 controls the first LED hairs according to control signal
The LED light module 600 of optical module 500 and second is luminous.
Specifically, rectification module 100 is model MB10F rectifier bridge stack；Auxiliary power module 300 is non-isolated decompression
Constant voltage circuit, the non-isolated decompression constant voltage circuit is using the model VIPER12 of ST companies chip as main control chip.
In the embodiment of the present invention, auxiliary power module 300 is that wireless control module 400 is powered, and avoids existing main electricity
Source module 200 is that wireless control module 400 is powered, and main power source module 200 can use high voltage-small current output scheme, efficiency high,
Heating is few.
LED drive device shown in Fig. 3 includes rectification module 100, main power source module 200, auxiliary power module 300, nothing
Line traffic control module 400, the first LED light module 500 and the second LED light module 600.
The output end of rectification module 100 is connected to the input of auxiliary power module 300 with the input of main power source module 200 altogether
End, the input of the output end of auxiliary power module 300 and the first LED light module 500 are connected to wireless control module 400 altogether
Power end；The output end of first LED light module 500 is connected with the 3rd control terminal of wireless control module 400, controlled in wireless
4th control terminal of module 400 is connected with the controlled end of main power source module 200, the output end of main power source module 200 and second
The input of LED light module 600 is connected, the output end of the second LED light module 600 and the control of main power source module 200
End is connected.
Rectification module 100 carries out rectification to the alternating current of input and exports the first direct current, and main power source module 200 is to first
It is that the second LED light module 600 is powered that direct current, which carries out voltage conversion and exports the second direct current, and auxiliary power module 300 is right
It is that the first LED light module 500 and wireless control module 400 supply that first direct current, which carries out voltage conversion and exports the second direct current,
Electricity, wireless control module 400 receive the control signal of outside；Wireless control module 400 controls the first LED hairs according to control signal
Optical module 500 is luminous, while exports the second control signal to main power source module 200, main power source module 200 according to control signal
Control the second LED light module 600 luminous according to the second control signal.
In the embodiment of the present invention, auxiliary power module 300 is that wireless control module 400 is powered, and avoids existing main electricity
Source module 200 is that wireless control module 400 is powered, and main power source module 200 can use high voltage-small current output scheme, efficiency high,
Heating is few.
As an embodiment of the present invention, as shown in figure 4, the circuit diagram and Fig. 2 of the LED drive device shown in Fig. 4
The structural representation of shown LED drive device is corresponding, and main power source module 200 is step-down conversion circuit.
Further specifically, main power source module 200 can be isolation circuit of reversed excitation, non-isolated BUCK circuits, linear circuit or
Resistance-capacitance circuit.
As an embodiment of the present invention, as shown in figure 4, the first LED light module 500 includes the first light emitting diode
D1, the second light emitting diode D2 and the 3rd light emitting diode D3, the second LED light module 600 include the 4th light emitting diode D4
With the 5th light emitting diode D5.
The anode of first light emitting diode D1 anode, the second light emitting diode D2 anode and the 3rd light emitting diode D3
Connect altogether and form the input of the first LED light module 500, the 4th light emitting diode D4 anode and the 5th light emitting diode D5
Anode connect the input to form the second LED light module 600, the first light emitting diode D1 negative electrode, the second light-emitting diodes altogether
Pipe D2 negative electrode and the 3rd light emitting diode D3 negative electrode be the first LED light module 500 output end, the 4th light emitting diode
D4 negative electrode and the 5th light emitting diode D5 negative electrode be the second LED light module 600 output end, the first light emitting diode D1
Negative electrode, the second light emitting diode D2 negative electrode and the 3rd light emitting diode D3 negative electrode be respectively the first LED light module 500
The first output end, the second output end and the 3rd output end, the 4th light emitting diode D4 negative electrode and the 5th light emitting diode D5
Negative electrode be respectively the second LED light module 600 the first output end and the second output end.
Specifically, the first light emitting diode D1, the second light emitting diode D2 and the 3rd light emitting diode D3 are respectively red
Light emitting diode, green LED and blue LED, the 4th light emitting diode D4 and the 5th light emitting diode D5
Respectively cold light diode and warm light diode.
As an embodiment of the present invention, as shown in figure 4, wireless control module 400 includes the first control unit 401, the
One switching tube Q1, second switch pipe Q2, the 3rd switching tube Q3, the 4th switching tube Q4, the 5th switching tube Q5, first resistor R1,
Two resistance R2,3rd resistor R3, the 4th resistance R4 and the 5th resistance R5.
First output end of the first control unit 401, the second output end, the 3rd output end, the 4th output end and the 5th are defeated
Go out the end control terminal with first switch pipe Q1, second switch pipe Q2 control terminal, the 3rd switching tube Q3 control terminal, the 4th respectively
Switching tube Q4 control terminal and the 5th switching tube Q5 control terminal are connected；The power end of first control unit 401 is wireless controlled
The power end of molding block 400；First switch pipe Q1 input is connected with first resistor R1 first end, second switch pipe Q2
Input be connected with second resistance R2 first end, the 3rd switching tube Q3 input and 3rd resistor R3 first end phase
Connection, first resistor R1 the second end, second resistance R2 the second end, 3rd resistor R3 the second end are wireless control module
400 the first control terminal, the 4th switching tube Q4 input and the 5th switching tube Q5 input are wireless control module 400
Second control terminal, first resistor R1 the second end, second resistance R2 the second end, 3rd resistor R3 the second end, the 4th switch
Pipe Q4 input and the 5th switching tube Q5 input the first output end with the first LED light module 500, first respectively
Second output end of LED light module 500, the 3rd output end of the first LED light module 500, the second LED light module 600
The first output end and the second output end of the first LED light module 500 be connected, the 4th switching tube Q4 output end and the 4th
Resistance R4 first end is connected, and the 5th switching tube Q5 output end is connected with the 5th resistance R5 first end, first switch
Pipe Q1 output end, second switch pipe Q2 output end, the 3rd switching tube Q3 output end, the 4th resistance R4 the second end and
Five the second ends of resistance R5 with being connected to power supply altogether.
Specifically, the first control unit 401 is Bluetooth control unit, Bluetooth control unit uses the model of Qualcomm
CSR1010 chip is as main control chip；First switch pipe Q1, second switch pipe Q2, the 3rd switching tube Q3, the 4th switching tube Q4
And the 5th switching tube Q5 be NMOS tube.
As an embodiment of the present invention, as shown in figure 5, the circuit diagram and Fig. 3 of the LED drive device shown in Fig. 5
The structural representation of shown LED drive device is corresponding, and main power source module 200 is light modulation chip.
As an embodiment of the present invention, as shown in figure 5, the first LED light module 500 includes the 6th light emitting diode
D6, the 7th light emitting diode D7 and the 8th light emitting diode D8, the second LED light module 600 include the 9th light emitting diode D9
With the tenth light emitting diode D10.
6th light emitting diode D6 anode, the 7th light emitting diode D7 anode and the 8th light emitting diode D8 anode
The input to form the first LED light module 500, the 9th light emitting diode D9 anode and the tenth light emitting diode D10 are connect altogether
Anode connect the input to form the second LED light module 600, the 6th light emitting diode D6 negative electrode, the 7th light-emitting diodes altogether
Pipe D7 negative electrode and the 8th light emitting diode D8 negative electrode be the first LED light module 500 output end, the 9th light emitting diode
D9 negative electrode and the tenth light emitting diode D10 negative electrode be the second LED light module 600 output end, the 6th light emitting diode
The negative electrode of D6 negative electrode, the 7th light emitting diode D7 negative electrode and the 8th light emitting diode D8 is respectively the first LED light module
500 the first output end, the second output end and the 3rd output end, the 9th light emitting diode D9 negative electrode and the tenth light emitting diode
D10 negative electrode is respectively the first output end and the second output end of the second LED light module 600.
Specifically, the 6th light emitting diode D6, the 7th light emitting diode D7 and the 8th light emitting diode D8 are respectively red
Light emitting diode, green LED and blue LED, the 9th light emitting diode D9 and the tenth light emitting diode D10
Respectively cold light diode and warm light diode.
As an embodiment of the present invention, as shown in figure 5, wireless control module 400 includes the second control unit 402, the
Six switching tube Q6, the 7th switching tube Q7, the 8th switching tube Q8, the 6th resistance R6, the 7th resistance R7 and the 8th resistance R8.
The first output end, the second output end and the 3rd output end of second control unit 402 respectively with the 6th switching tube Q6
Control terminal, the 7th switching tube Q7 control terminal and the 8th switching tube Q8 control terminal be connected；The electricity of second control unit 402
Source is the power end of wireless control module 400；6th switching tube Q6 output end, the 7th switching tube Q7 output end and the 8th
Switching tube Q8 output end with being connected to power supply altogether, the 6th switching tube Q6 input, the 7th switching tube Q7 input and the 8th
Switching tube Q8 input respectively the first end with the 6th resistance R6, the 7th resistance R7 first end and the 8th resistance R8 first
End is connected, and the 6th resistance R6 the second end, the 7th resistance R7 the second end, the 8th resistance R8 the second end are wireless controlled molding
3rd control terminal of block 400, the 6th resistance R6 the second end, the 7th resistance R7 the second end, the 8th resistance R8 the second end point
It is not connected with the first output end, the second output end and the 3rd output end of the first LED light module 500, the second control unit
402 the 4th output end and the 4th control terminal that the 5th output end is wireless control module 400.
Specifically, the second control unit 402 is Bluetooth control unit, Bluetooth control unit uses the model of Qualcomm
CSR1010 chip is as main control chip；6th switching tube Q6, the 7th switching tube Q7 and the 8th switching tube Q8 are NMOS tube.
As an embodiment of the present invention, as shown in figure 5, electricity based on the first controlled end and the second controlled end of light modulation chip
The controlled end of source module 200, the first control terminal and the second control terminal for dimming chip are the control terminal of main power source module 200, are adjusted
The first control terminal and the second control terminal of optical chip export with the first output end of the second LED light module 600 and second respectively
End is connected.
Specifically, the control signal that light modulation chip exports according to control unit drives the second LED light module 600 to send out
Light.It can be that existing LED dims chip to dim chip.
In the present invention, LED drive device includes rectification module, main power source module, auxiliary power module, wireless controlled molding
Block, the first LED light module and the second LED light module, auxiliary power module is used as wireless controlled molding in LED drive device
Block is powered, and avoids making main power source module power for wireless control module, and therefore, main power source module need not be defeated using low-voltage, high-current
Go out scheme, solve the problems, such as that main power source module efficiency is low and heating is serious.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of LED drive device, the LED drive device includes rectification module, alternating current of the rectification module to input
Carry out rectification and export the first direct current；Characterized in that, the LED drive device also includes main power source module, accessory power supply
Module, wireless control module, the first LED light module and the second LED light module；
The input of the auxiliary power module and the input of the main power source module are connected to the output of the rectification module altogether
End, the power end of the wireless control module and the input of first LED light module are connected to the accessory power supply mould altogether
The output end of block；The output end of the main power source module is connected with the input of second LED light module；Described first
The controlled end of the controlled end of LED light module and second LED light module respectively with the wireless control module first
Control terminal is connected with the second control terminal, or, controlled end and the wireless control module of first LED light module
3rd control terminal is connected, and the 4th control terminal of the wireless control module is connected with the controlled end of the main power source module,
The output end of the main power source module is connected with the input of second LED light module.
The main power source module carries out voltage conversion to first direct current and exports the second direct current as the 2nd LED hairs
Optical module is powered, and it is described that the auxiliary power module, which carries out voltage conversion to first direct current and exports the second direct current,
First LED light module and the wireless control module are powered, the control signal outside the wireless control module reception；It is described
Wireless control module controls first LED light module and second LED light module to light according to the control signal；
Or the wireless control module controls first LED light module to light according to the control signal, while according to described
Control signal exports the second control signal to the main power source module, and the main power source module is according to the second control signal control
Second LED light module is made to light.
2. LED drive device as claimed in claim 1, it is characterised in that the main power source module is step-down conversion circuit.
3. LED drive device as claimed in claim 2, it is characterised in that it is luminous that first LED light module includes first
Diode, the second light emitting diode and the 3rd light emitting diode, second LED light module include the 4th light emitting diode and
5th light emitting diode；
The sun of the anode of first light emitting diode, the anode of second light emitting diode and the 3rd light emitting diode
Extremely connect altogether and form the input of first LED light module, the anode of the 4th light emitting diode and the described 5th hair
The anode of optical diode meets the input to form second LED light module, the negative electrode of first light emitting diode, institute altogether
The negative electrode of the negative electrode and the 3rd light emitting diode of stating the second light emitting diode is the output of first LED light module
End, the negative electrode of the 4th light emitting diode and the negative electrode of the 5th light emitting diode are second LED light module
Output end, the negative electrode of first light emitting diode, the negative electrode of second light emitting diode and the 3rd light emitting diode
Negative electrode be respectively first LED light module the first output end, the second output end and the 3rd output end, it is described 4th hair
The negative electrode of the negative electrode of optical diode and the 5th light emitting diode is respectively the first output end of second LED light module
With the second output end.
4. LED drive device as claimed in claim 3, it is characterised in that it is single that the wireless control module includes the first control
Member, first switch pipe, second switch pipe, the 3rd switching tube, the 4th switching tube, the 5th switching tube, first resistor, second resistance,
3rd resistor, the 4th resistance and the 5th resistance；
The first output end, the second output end, the 3rd output end, the 4th output end and the 5th output end of first control unit
Control terminal with the first switch pipe, the control terminal of the second switch pipe, the control terminal of the 3rd switching tube, institute respectively
State the control terminal of the 4th switching tube and the control terminal of the 5th switching tube is connected；The power end of first control unit is
The power end of the wireless control module；The input of the first switch pipe is connected with the first end of the first resistor,
The input of the second switch pipe is connected with the first end of the second resistance, the input of the 3rd switching tube and institute
The first end for stating 3rd resistor is connected, the second end of the first resistor, the second end of the second resistance, the 3rd electricity
Second end of resistance is the first control terminal of the wireless control module, the input of the 4th switching tube and the 5th switch
The input of pipe is the second control terminal of the wireless control module, the second end of the first resistor, the second resistance
Second end, the second end of the 3rd resistor, the input point of the input of the 4th switching tube and the 5th switching tube
Second output end of the first output end, first LED light module not with first LED light module, described first
3rd output end of LED light module, the first output end of second LED light module and first LED light module
The second output end be connected, the output end of the 4th switching tube is connected with the first end of the 4th resistance, described
The output end of five switching tubes is connected with the first end of the 5th resistance, the output end of the first switch pipe, described second
The output end of switching tube, the output end of the 3rd switching tube, the second end of the 4th resistance and the 5th resistance second
End with being connected to power supply altogether.
5. LED drive device as claimed in claim 1, it is characterised in that the main power source module is light modulation chip.
6. LED drive device as claimed in claim 5, it is characterised in that it is luminous that first LED light module includes the 6th
Diode, the 7th light emitting diode and the 8th light emitting diode, second LED light module include the 9th light emitting diode and
Tenth light emitting diode；
Anode, the anode of the 7th light emitting diode and the sun of the 8th light emitting diode of 6th light emitting diode
The input to form first LED light module is extremely connect altogether, and the anode of the 9th light emitting diode is luminous with the described tenth
The anode of diode connects the input to form second LED light module altogether, the negative electrode of the 6th light emitting diode, described
The negative electrode of the negative electrode of 7th light emitting diode and the 8th light emitting diode is the output end of first LED light module,
The negative electrode of 9th light emitting diode and the output that the negative electrode of the tenth light emitting diode is second LED light module
End, negative electrode, the negative electrode of the 7th light emitting diode and the moon of the 8th light emitting diode of the 6th light emitting diode
Pole is respectively the first output end, the second output end and the 3rd output end of first LED light module, and the described 9th luminous two
The negative electrode of the negative electrode of pole pipe and the tenth light emitting diode is respectively the first output end and of second LED light module
Two output ends.
7. LED drive device as claimed in claim 6, it is characterised in that it is single that the wireless control module includes the second control
Member, the 6th switching tube, the 7th switching tube, the 8th switching tube, the 6th resistance, the 7th resistance and the 8th resistance；
The first output end, the second output end and the 3rd output end of second control unit respectively with the 6th switching tube
The control terminal of control terminal, the control terminal of the 7th switching tube and the 8th switching tube is connected；First control unit
Power end be the wireless control module power end；The output end of 6th switching tube, the 7th switching tube it is defeated
Go out end and the 8th switching tube output end with being connected to power supply altogether, the input of the 6th switching tube, it is described 7th switch
The input of the input of pipe and the 8th switching tube first end with the 6th resistance, the of the 7th resistance respectively
The first end of one end and the 8th resistance is connected, the second end of the 6th resistance, the second end of the 7th resistance, institute
The second end for stating the 8th resistance is the 3rd control terminal of the wireless control module, the second end of the 6th resistance, described the
Second end of seven resistance, the second end the first output end with first LED light module, second respectively of the 8th resistance
Output end and the 3rd output end are connected, and the 4th output end and the 5th output end of second control unit are the wireless controlled
4th control terminal of molding block.
8. LED drive device as claimed in claim 7, it is characterised in that the first controlled end and second of the light modulation chip
Controlled end is the controlled end of the main power source module, and the first control terminal and the second control terminal of the light modulation chip are the main electricity
The control terminal of source module, it is described light modulation chip the first control terminal and the second control terminal respectively with second LED light module
The first output end be connected with the second output end.
9. LED drive device as claimed in claim 4, it is characterised in that the first switch pipe, the second switch pipe,
3rd switching tube, the 4th switching tube and the 5th switching tube are NMOS tube.
10. LED drive device as claimed in claim 7, it is characterised in that the 6th switching tube, the 7th switching tube
And the 8th switching tube is NMOS tube.
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| CN201710914681.6A CN107567148A (en) | 2017-09-30 | 2017-09-30 | A kind of LED drive device |
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| CN201710914681.6A CN107567148A (en) | 2017-09-30 | 2017-09-30 | A kind of LED drive device |
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| CN205961524U (en) * | 2016-08-15 | 2017-02-15 | 深圳市富满电子集团股份有限公司 | LED constant current drive chip, device and LED lamp |
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