CN204697340U - Universal wireless light modulation toning LED driver - Google Patents
Universal wireless light modulation toning LED driver Download PDFInfo
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- CN204697340U CN204697340U CN201520353279.1U CN201520353279U CN204697340U CN 204697340 U CN204697340 U CN 204697340U CN 201520353279 U CN201520353279 U CN 201520353279U CN 204697340 U CN204697340 U CN 204697340U
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Abstract
The utility model provides a kind of Universal wireless light modulation to mix colours LED driver for regulating brightness and the color of LED, it is connected electrically between driving power and LED, comprise: export the step-down of the first voltage and Voltage stabilizing module after step-down and voltage stabilizing are carried out to described primary voltage, receive external wireless control signal with described first voltage for working power, according to described wireless control signal export the second voltage radio communication control module, according to described second voltage control the driving power adjustment module of the input power of LED.The utility model can be connected on most LED direct current driving power supply, receives external wireless signals, and regulates the optical parameter of the multiple LED connected thereon according to wireless signal, can regulate according to multi-channel drive signal to multiple LED; The common LED lamp without regulatory function is installed this LED driver and just can regulate the LED lamp originally without regulatory function.
Description
Technical field
The utility model relates to LED illumination and drives field, particularly relates to a kind of Universal wireless light modulation toning LED driver.
Background technology
Along with the continuous reduction of light-emitting diode price, the improving and scale of LED lamp assembly and supporting driving industrial chain, the cost of LED illumination is in rapid decline, and it is more and more general in the application of family expenses and commercial illumination market.LED except light efficiency is high, the life-span long, energy-conservation except, the great advantage of another one to adopt the method for pulse-width modulation (PWM) to regulate brightness, and this be design the LED dimming driver realizing low cost to provide possibility.
The LED illumination lamp of practical application, circuit structure is made up of two parts: LED driver and LED lamp panel.
Common connected mode as shown in Figure 1, in the drawings, LED driver is connected directly between in electricity network, this LED driving voltage is mainly LED provides lighting voltage, the concrete output size of this voltage is different according to different producer's products, and be divided into constant voltage output type and constant current output type according to type of drive, wherein great majority adopt constant voltage type of drive, and its drive voltage range is generally between 9.5V ~ 95V.
LED lamp panel consists of different compound modes the LED of multiple series connection or parallel connection, this LED lamp panel is also provided with the fixed structure of LED, heat abstractor, and will consider other factors such as light efficiency, power of LED simultaneously.
In practice, because LED exists different LED lamp bead compound modes, therefore the LED driver current/voltage that must need with LED lamp bead is suitable, and the output voltage, the current parameters which results in the LED driver on market vary, and do not have a kind of general LED driver.
In addition, along with the development of existing market, occurred the mode of wireless adjustment to the adjustment of LED illumination, the voltage or electric current of mode still mainly through regulating drive circuit of adjustment that this is wireless realize, and concrete wireless signal only comes control voltage or electric current as control signal.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of universal LED driver with adjustment LED lamplight parameter.
For achieving the above object, the Universal wireless light modulation toning LED driver that the utility model provides, described LED driver is for regulating the driving power of LED, and it is connected electrically between driving power and LED; Described LED driver comprises:
Step-down and Voltage stabilizing module, be connected with described driving power, receives the primary voltage that described driving power exports, export first voltage after carrying out step-down and voltage stabilizing to described primary voltage;
Radio communication control module, is connected with described step-down and Voltage stabilizing module, receives external wireless control signal, export the second voltage according to described wireless control signal with described first voltage for working power;
Driving power adjustment module, is connected with described radio communication control module, the input power of LED according to described second voltage control;
The size of described primary voltage is 9.5 ~ 95V.
Further, described step-down and Voltage stabilizing module comprise LM5008 voltage conversion chip, be parallel with overvoltage protection diode Z1, input filter capacitor C21, C22 between voltage input end Vin and VCC of described voltage conversion chip respectively, described input VCC is connected by decoupling capacitance C23 with described earth terminal; The output SW of described voltage conversion chip provides working power by the inductance L 4 of series connection, resistance R6 and magnetic bead FB1 for described radio communication control module; Also be connected with the regulating resistor branch road of other end ground connection between described inductance L 4 and described resistance R6, described regulating resistor branch road comprises resistance R4 and the resistance R5 of series connection; Also be connected with the capacitor filtering branch road of other end ground connection between described resistance R6 and magnetic bead FB1, described capacitor filtering branch road comprises electric capacity C25 and the electric capacity C36 of series connection; The feedback end FB of described voltage conversion chip is connected between described resistance R4 and described resistance R5, and by resistance R4 by signal feedback extremely described output SW; Be connected with between described output SW and the input BST of described voltage conversion chip and move back lotus root electric capacity C24.
Further, the voltage stabilized range of described overvoltage protection diode Z1 is 100V.
Further, described radio communication control module comprises MCU chip, and described MCU driving chip has the wireless control signal receiving outside transmission, and described wireless control signal comprises at least one in Bluetooth signal, WIFI signal and Zigbee signal.
Further, described MCU chip is support the CSR1010 chip of Bluetooth communication, and described MCU chip periphery is provided with crystal oscillator unit, storage element, signal receiving unit, power supply pretreatment unit and the power output end for connecting driving power adjustment module.
Further, described crystal oscillator unit comprises the first crystal oscillator unit be connected between CSR1010 chip 2-3 pin and the second crystal oscillator unit be connected between 9-10 pin, described first crystal oscillator unit crystal oscillator frequency 32.768KHz, the second crystal oscillator unit crystal oscillator frequency 16MHz.。
Further, described storage element is the external storage chip be connected in MCU chip, and described storage chip is AT24C512.
Further, described signal receiving unit comprises and is connected on reception antenna on described RF pin and inductance L 3, described inductance L 3 front end is parallel with electric capacity C13, described inductance L 3 rear end is parallel with electric capacity C14 and electric capacity C15 respectively, and described electric capacity C13, C14, C15 other end is connected with earth terminal respectively.
Further, described driving power adjustment module comprises several high frequency fet, the base stage of each described triode is connected with described power output end, emitter is connected with described earth terminal, collector electrode is connected with LED interface, and described LED interface is for connecting the several LED that will light.
Further, described LED interface comprises several terminals, described first terminal is added with primary voltage, and when described LED is connected on LED interface, described LED one end is connected the other end and is connected with described triode collector electrode by other terminals with described first terminal.
The beneficial effects of the utility model:
The Universal wireless light modulation toning LED driver that the utility model provides can be connected on most LED direct current driving power supply, have certain universal, external wireless signals can also be received simultaneously, and regulated the optical parameter of the multiple LED connected thereon by pwm pulse signal according to wireless signal, can regulate multiple LED according to multi-channel drive signal, thus signal syntheses; The common LED lamp without regulatory function is installed this LED driver and just can regulate the LED lamp originally without regulatory function.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by describing in detail embodiment of the present utility model, will make the technical solution of the utility model and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is that common LED drives lighting system;
Fig. 2 is that the utility model LED driver drives connected mode;
Fig. 3 is the utility model LED driver model calling schematic diagram;
Fig. 4 is the utility model step-down and Voltage stabilizing module circuit connection diagram;
Fig. 5 is the utility model radio communication control module circuit connection diagram;
Fig. 6 is the utility model driving power adjustment module circuit connection diagram.
Drawing reference numeral:
1, step-down and Voltage stabilizing module; 2, radio communication control module; 3, driving power adjustment module.
Embodiment
For further setting forth the technological means and effect thereof that the utility model takes, be described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.
Refer to Fig. 2 to Fig. 3, for achieving the above object, the utility model provides a kind of Universal wireless light modulation toning LED driver, and this LED driver can by exporting different driving electrical quantitys, control connection LED thereon shows different light intensity and colourity, concrete:
Described LED driver is for regulating the driving power of LED, and it is connected electrically between driving power and LED; Described LED driver comprises step-down and voltage stabilizing mould, and 1, radio communication control module 2 and driving power adjustment module 3.
Described step-down and Voltage stabilizing module 1 are connected with described driving power, receive the primary voltage that described driving power exports, export first voltage after carrying out step-down and voltage stabilizing to described primary voltage.
Described radio communication control module 2 is connected with described step-down and Voltage stabilizing module, receives external wireless control signal, export the second voltage according to described wireless control signal with described first voltage for working power.
Described driving power adjustment module 3 is connected with described radio communication control module 2, the input power of LED according to described second voltage control.
The size of described primary voltage is 9.5 ~ 95V.
In the present embodiment, describedly be mainly used in converting described primary voltage with regard to step-down and Voltage stabilizing module 1, be converted into the operating voltage meeting radio communication control module 2 and work, this operating voltage controls the difference of mould 2 chip block according to radio communication, may be different.
In the present embodiment, described radio communication control module 2 in fact mainly receives wireless signal, and converts the first voltage according to wireless signal, is transformed into the multichannel driving voltage being controlled by described wireless signal, thus drives described LED.Wherein, in the present embodiment, the driving voltage being controlled by described wireless signal is PWM drive singal.
In the present embodiment, described driving power adjustment module 3 is mainly used in driving described LED to throw light on according to pwm signal.Wherein, driving voltage can be the pwm signal of multichannel step different from each other, like this just can separate the LED driving separately different colours or colour temperature, thus the illumination of several LED is synthesized, and reaches wider spectral region.
In the present embodiment, the direct current primary voltage of 9.5 ~ 95V is the illumination zone that most LED adopts in field of LED illumination, thus it is universal that this LED driver is had, and can be connected on most driving power.
Refer to Fig. 4 to Fig. 6, wherein, described step-down and Voltage stabilizing module 1 comprise LM5008 voltage conversion chip, be parallel with overvoltage protection diode Z1, input filter capacitor C21, C22 between voltage input end Vin and VCC of described voltage conversion chip respectively, described input VCC is connected by decoupling capacitance C23 with described earth terminal; The output SW of described voltage conversion chip provides working power by the inductance L 4 of series connection, resistance R6 and magnetic bead FB1 for described radio communication control module 2; Also be connected with the regulating resistor branch road of other end ground connection between described inductance L 4 and described resistance R6, described regulating resistor branch road comprises resistance R4 and the resistance R5 of series connection; Also be connected with the capacitor filtering branch road of other end ground connection between described resistance R6 and magnetic bead FB1, described capacitor filtering branch road comprises electric capacity C25 and the electric capacity C36 of series connection; The feedback end FB of described voltage conversion chip is connected between described resistance R4 and described resistance R5, and by resistance R4 by signal feedback extremely described output SW; Be connected with between described output SW and the input BST of described voltage conversion chip and move back lotus root electric capacity C24.
In the present embodiment, described LM5008 chip is
In the present embodiment; described overvoltage protection diode Z1 is mainly used in carrying out safeguard protection to the voltage of access DC power supply; particularly accessing that DC power supply is opened, closed, bulk power grid fluctuation time can the large voltage glitch of filtering, thus do not affect the work of back electric device.
In the present embodiment, described feedback end FB, by Voltage Feedback can be put forward high-tension stability to output SW, reduces the fluctuation exported.
In the present embodiment, power module LM5008 is as DC-DC conversion IC, and its input voltage range is 9.5 ~ 95V.The output voltage of general LED power module is generally 12V ~ 85V, therefore it can directly from LED power module work to take power.Its output voltage by changing regulating resistor R4, R5, thus can realize the first different voltage.Input overvoltage protection adopts and protects up to the 1SMB5949BT3G voltage-stabiliser tube (100V) of 3W, and C21 is input filter capacitor, and C21 is recommended in when 300mA is fully loaded with in load by LM5008 specifications and uses 1uF electric capacity, and its voltage need select 100V withstand voltage.C23, C24 are 104 decoupling capacitances, and difference is that C23 must select 100V withstand voltage, and C24 is conventional withstand voltage (more than 10V).In addition in order to ensure LM5008 working stability when static state, load preferably meets the load having 1mA, is 3.3V in conjunction with output voltage, therefore regulating resistor R4, R5 select resistance to be the precision resistance of 680 Ω and 2.1k Ω ± 1% respectively.
In the present embodiment, output voltage 3.3V determines in conjunction with the operating voltage of the chip selected by the radio communication control module of rear end, if when this operating voltage is 5V, described regulating resistor R4, R5 are only and should be 5K Ω.
Wherein, described radio communication control module 2 comprises MCU chip, and described MCU driving chip has the wireless control signal receiving outside transmission, and described wireless control signal comprises at least one in Bluetooth signal, WIFI signal and Zigbee signal.
In the present embodiment, we are preferred, and MCU chip selects the chip supporting Bluetooth communication.
Wherein, described MCU chip is support the CSR1010 chip of Bluetooth communication, and described MCU chip periphery is provided with crystal oscillator unit, storage element, signal receiving unit, power supply pretreatment unit and the power output end for connecting driving power adjustment module 3.
In the present embodiment, CSR1010 chip is be the one that CSRmesh 1.0 bluetooth group controls serial IC, CSRmesh 1.0 technical characterstic:
A) mobile phone directly controls, without the need to gateway;
B) realize based on Bluetooth Low Energy broadcast, without the need to routing table, response rapidly;
C) network encryption, high security;
D) network can hold 65536 equipment;
E) equipment in mobile phone configuration network, configuration is simple;
F) light modulation, switch application is supported;
G) support that grouping controls;
H) compatible bluetooth low power consumption protocol.
CSR1010 itself provides three I/O ports (PIO [9] ~ PIO [11]) to carry out PWM control.Except the three road PWM carried export, adopt hardware timer can simulate extra output control signal (as SF_DIN/PIO [3] pin, SF_CS#/PIO [4] pin) in addition.
Power supply: from the power taking of LM5008 reduced output voltage end, through C1 ~ C5 and L1 filtering and decoupling, crystal oscillator aspect RTC adopts X232.768M crystal oscillator, runs crystal oscillator and adopts X116M crystal oscillator.
In the present embodiment, described crystal oscillator unit comprises the first crystal oscillator unit be connected between CSR1010 chip 2-3 pin and the second crystal oscillator unit be connected between 9-10 pin, described first crystal oscillator unit crystal oscillator frequency 32.768KHz, the second crystal oscillator unit crystal oscillator frequency 16MHz.
In the present embodiment, described storage element is the external storage chip be connected in MCU chip, and described storage chip is AT24C512.
Wherein, described signal receiving unit comprises and is connected on reception antenna on described RF pin and inductance L 3, described inductance L 3 front end is parallel with electric capacity C13, and described inductance L 3 rear end is parallel with electric capacity C14 and electric capacity C15 respectively, and described electric capacity C13, C14, C15 other end is connected with earth terminal respectively.
In the present embodiment, described reception antenna is mainly used in receiving outside blue teeth wireless signal, and wireless signal is sent to described CSR1010 chip, and exports number road PWM voltage signal by described CSR1010 chip.
Wherein, described driving power adjustment module comprises several high frequency fet, and the base stage of each described triode is connected with described power output end, and emitter is connected with described earth terminal, collector electrode is connected with LED interface, and described LED interface is for connecting the several LED that will light.
In the present embodiment, the pwm signal of output drives the LED be connected on LED interface through triode.
Wherein, described LED interface comprises several terminals, described first terminal is added with primary voltage, when described LED is connected on LED interface, described LED one end is connected with described first terminal, and the other end is connected with described transistor collector by other terminals.
In the present embodiment, the pwm signal that CSR1010 produces outputs to the base stage of NPN triode.By controlling the conducting of transistor and closing the average current change realizing controlled LED, to reach the object realizing brightness regulation.Three road pwm signal collaborative works can realize toning and the color-temperature regulating function of RGB primitive colours lamp.For the light fixture that there is warm white and cold white two kinds of white light LEDs, can the independent conversion of control realization colour temperature and the adjustment of brightness by extra two-way pwm signal, control principle is the same.If do not have RGB tri coloured lantern in light fixture, in vain warm and cold white light tone lamp also can use PWM control pin, such software can not re-use timer and go to increase PWM control.
In the present embodiment, the negative pole of the LED driven is connected with the collector electrode of described triode, and concrete type of drive adopts and drags down low pressure, ensures that the mode of intermittent conduction drives the light of described LED.
In the present embodiment, PWM control aspect adopts NPN type Darlington transistor FMMT614, it is withstand voltage, and Vceo, Vcbo all have 100V at least, multiplication factor is minimum is 5K (Vce=5V, Ic=500mA), reach most and allow the electric current that passes through to be 500mA (being greater than the maximum 300mA electric current of common LED power driver).When CSR1010IO mouth is configured to strong pull-up or strong pull-down, it allows the electric current passed through to be maximum 150uA, therefore it can drive C pole maximum current to be 750mA, can meet the requirement of the maximum 300mA electric current of single passage.
The above; for the person of ordinary skill of the art; can make other various corresponding change and distortion according to the technical solution of the utility model and technical conceive, and all these change and be out of shape the protection range that all should belong to the utility model claim.
Claims (10)
1. a Universal wireless light modulation toning LED driver, it is characterized in that, described LED driver is for regulating brightness and the color of LED, and it is connected electrically between driving power and LED; Described LED driver comprises:
Step-down and Voltage stabilizing module, be connected with described driving power, receives the primary voltage that described driving power exports, export first voltage after carrying out step-down and voltage stabilizing to described primary voltage;
Radio communication control module, is connected with described step-down and Voltage stabilizing module, receives external wireless control signal, export the second voltage according to described wireless control signal with described first voltage for working power;
Driving power adjustment module, is connected with described radio communication control module, the input power of LED according to described second voltage control;
The size of described primary voltage is 9.5 ~ 95V.
2. Universal wireless light modulation toning LED driver according to claim 1, it is characterized in that, described step-down and Voltage stabilizing module comprise LM5008 voltage conversion chip, be parallel with overvoltage protection diode Z1, input filter capacitor C21, C22 between voltage input end Vin and VCC of described voltage conversion chip respectively, described input VCC is connected by decoupling capacitance C23 with earth terminal; The output SW of described voltage conversion chip provides working power by the inductance L 4 of series connection, resistance R6 and magnetic bead FB1 for described radio communication control module; Also be connected with the regulating resistor branch road of other end ground connection between described inductance L 4 and described resistance R6, described regulating resistor branch road comprises resistance R4 and the resistance R5 of series connection; Also be connected with the capacitor filtering branch road of other end ground connection between described resistance R6 and magnetic bead FB1, described capacitor filtering branch road comprises electric capacity C25 and the electric capacity C36 of series connection; The feedback end FB of described voltage conversion chip is connected between described resistance R4 and described resistance R5, and by resistance R4 by signal feedback extremely described output SW; Be connected with between described output SW and the input BST of described voltage conversion chip and move back lotus root electric capacity C24.
3. Universal wireless light modulation toning LED driver according to claim 2, it is characterized in that, the voltage stabilized range of described overvoltage protection diode Z1 is 100V.
4. Universal wireless light modulation toning LED driver according to claim 1, it is characterized in that, described radio communication control module comprises MCU chip, described MCU driving chip has the wireless control signal receiving outside transmission, and described wireless control signal comprises at least one in Bluetooth signal, WIFI signal and Zigbee signal.
5. Universal wireless light modulation toning LED driver according to claim 4, it is characterized in that, described MCU chip is support the CSR1010 chip of Bluetooth communication, described MCU chip periphery is provided with crystal oscillator unit, storage element, signal receiving unit, power supply pretreatment unit and the power output end for connecting driving power adjustment module.
6. Universal wireless light modulation toning LED driver according to claim 5, it is characterized in that, described crystal oscillator unit comprises the first crystal oscillator unit be connected between CSR1010 chip 2-3 pin and the second crystal oscillator unit be connected between 9-10 pin, described first crystal oscillator unit crystal oscillator frequency 32.768KHz, the second crystal oscillator unit crystal oscillator frequency 16MHz.
7. Universal wireless light modulation toning LED driver according to claim 5, it is characterized in that, described storage element is the external storage chip be connected in MCU chip, and described storage chip is AT24C512.
8. Universal wireless light modulation toning LED driver according to claim 5, it is characterized in that, described signal receiving unit comprises and is connected on reception antenna on RF pin and inductance L 3, described inductance L 3 front end is parallel with electric capacity C13, described inductance L 3 rear end is parallel with electric capacity C14 and electric capacity C15 respectively, and described electric capacity C13, C14, C15 other end is connected with earth terminal respectively.
9. Universal wireless light modulation toning LED driver according to claim 5, it is characterized in that, described driving power adjustment module comprises several high-frequency triode, the base stage of each described triode is connected with described power output end, emitter is connected with earth terminal, collector electrode is connected with LED interface, and described LED interface is for connecting the several LED that will light.
10. Universal wireless light modulation toning LED driver according to claim 9, it is characterized in that, described LED interface comprises several terminals, described first terminal is added with primary voltage, when described LED is connected on LED interface, described LED one end is connected with described first terminal, and the other end is connected with described transistor collector by other terminals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520353279.1U CN204697340U (en) | 2015-05-27 | 2015-05-27 | Universal wireless light modulation toning LED driver |
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| CN201520353279.1U CN204697340U (en) | 2015-05-27 | 2015-05-27 | Universal wireless light modulation toning LED driver |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828498A (en) * | 2015-11-25 | 2016-08-03 | 湖南中南楷思科技发展有限公司 | Dimming lamp and control device thereof |
| CN106941748A (en) * | 2017-04-10 | 2017-07-11 | 张亚光 | Towards the light modulator and method of work of general led drivers |
-
2015
- 2015-05-27 CN CN201520353279.1U patent/CN204697340U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828498A (en) * | 2015-11-25 | 2016-08-03 | 湖南中南楷思科技发展有限公司 | Dimming lamp and control device thereof |
| CN106941748A (en) * | 2017-04-10 | 2017-07-11 | 张亚光 | Towards the light modulator and method of work of general led drivers |
| CN106941748B (en) * | 2017-04-10 | 2018-10-26 | 张亚光 | Light modulator and working method towards general led drivers |
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Effective date of registration: 20180402 Address after: 518000 Guangdong province Shenzhen city Longhua District Guanlan Street GUI Feng Lu Fu Yuan Industrial Zone huiruitong Industrial Park 1 building 601 Patentee after: Shenzhen city Aimeixin Technology Co. Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Guanlan Street GUI Feng Lu Fu Yuan Industrial Zone huiruitong Industrial Park 1 Building 3 layer (Office) Patentee before: WRT INTELLIGENT TECHNOLOGY CO., LTD. |