CN205051932U - Long -range regulation driving voltage's LED drive power supply - Google Patents
Long -range regulation driving voltage's LED drive power supply Download PDFInfo
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- CN205051932U CN205051932U CN201520799410.7U CN201520799410U CN205051932U CN 205051932 U CN205051932 U CN 205051932U CN 201520799410 U CN201520799410 U CN 201520799410U CN 205051932 U CN205051932 U CN 205051932U
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Abstract
The utility model discloses a long -range regulation driving voltage's LED drive power supply, this LED drive power supply includes: input rectifier module, the square wave produces module, vary voltage module, output rectifier module, communication module to and host system. Input rectifier module's input and alternating current power supply are connected, and input rectifier module's the output and the input of square wave production module are connected, and the square wave produces the output of module to be connected with the input of vary voltage module, and the output and output rectifier module's the input of vary voltage module are connected, and output rectifier module's output and LED lamp are connected, communication module's intensity control signal output part and host system's intensity control signal input part are connected, host system's the pulsewidth control signal output part and the pulsewidth control signal input part of square wave production module are connected.
Description
Technical field
The utility model relates to lamp power technical field, particularly relates to a kind of LED(lightemittingdiode of remote adjustment driving voltage) driving power.
Background technology
Current LED is generally powered by AC power.In prior art, generally need people to operate the brightness regulating button of LED, and select brightness to adjust according to the gray scale preset.Brightness adjustment moment, the brightness meeting cataclysm of LED, brings discomfort to user, thus affects the Product Experience degree of user.
Utility model content
The main object of the utility model is: providing a kind of can the driving voltage of remote adjustment LED not need the zero degree operating LED to regulate button can realize the LED drive power of the remote adjustment driving voltage of the brightness increasing or reduce LED gradually to make user.
For achieving the above object, the utility model provides a kind of LED drive power of remote adjustment driving voltage, the LED drive power of this remote adjustment driving voltage comprises: for AC power rectifying and wave-filtering is exported the input rectification filtering module of DC power supply, for described DC power supply being converted to the square wave generation module of square-wave signal, for square-wave signal being carried out transformation conversion and exporting the voltage changing module that transformation changes square-wave signal, rectifying and wave-filtering is carried out to export the output rectification filtering module of DC power supply to described transformation conversion square-wave signal, the time of carrying out communicating obtaining brightness adjustment instruction that user inputs and this brightness adjustment order persistence with described communication terminal adjusts the communication module of signal with output brightness, and according to the main control module that described brightness adjusting signal output pulse width adjustment signal reduces gradually to make the driving voltage of LED or increases,
Wherein, the input of described input rectification filtering module is connected with described AC power, the output of described input rectification filtering module is connected with the input of square wave generation module, the output of described square wave generation module is connected with the input of described voltage changing module, the output of described voltage changing module is connected with the input of described output rectification filtering module, and the output of described output rectification filtering module is connected with LED; The brightness adjusting signal output of described communication module is connected with the brightness adjusting signal input of described main control module; The pulse-width adjustment signal output part of described main control module is connected with the pulse-width adjustment signal input part of described square wave generation module.
Preferably, the LED drive power of remote adjustment driving voltage also comprises the magnitude of voltage for obtaining described transformation conversion square-wave signal and exports control signal to adjust the feedback module of the square wave pulse width of described square wave generation module according to described magnitude of voltage and the comparative result of the reference value preset, wherein, the acquisition end of described feedback module is connected with the output of described voltage changing module, with the control of described square wave generation module, the control signal output of described feedback module believes that signal input part is connected.
Preferably, described communication terminal is smart mobile phone.
The LED drive power of the remote adjustment driving voltage that the utility model provides, the communication module in this LED drive power can communicate with communication terminal.User long-rangely can send brightness adjustment instruction to communication module by operation communication terminal.Communication module receives brightness adjustment instruction and obtains this brightness adjustment instruction duration, to export corresponding brightness adjusting signal to main control module.Main control module to square wave generation module, to control the pulsewidth that square wave generation module adjusts square wave gradually, and then realizes the supply power voltage size increasing or reduce LED gradually according to brightness adjusting signal output pulse width adjustment signal.The utility model can not only realize remote control to overcome the region restriction of LED brightness regulation, and the brightness of adjustment LED is the process adjusting voltage swing gradually, thus overcomes LED and brighten instantaneously or dimmedly bring uncomfortable defect to user.
Accompanying drawing explanation
Fig. 1 is the module diagram of LED drive power first embodiment of the utility model remote adjustment driving voltage;
Fig. 2 is the module diagram of LED drive power second embodiment of the utility model remote adjustment driving voltage.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of LED drive power of remote adjustment driving voltage.
With reference to the module diagram that Fig. 1 and 2, Fig. 1 are LED drive power first embodiment of the utility model remote adjustment driving voltage; Fig. 2 is the module diagram of LED drive power second embodiment of the utility model remote adjustment driving voltage.The LED drive power of a kind of remote adjustment driving voltage that the present embodiment provides.The LED drive power of this remote adjustment driving voltage comprises: for AC power rectifying and wave-filtering is exported the input rectification filtering module 1 of DC power supply, for DC power supply being converted to the square wave generation module 2 of square-wave signal, for square-wave signal being carried out transformation conversion and exporting the voltage changing module 3 that transformation changes square-wave signal, rectifying and wave-filtering is carried out to export the output rectification filtering module 4 of DC power supply to transformation conversion square-wave signal, the time of carrying out communicating obtaining brightness adjustment instruction that user inputs and this brightness adjustment order persistence with communication terminal adjusts the communication module 5 of signal with output brightness, and according to brightness adjusting signal output pulse width adjustment signal with the main control module 6 making the driving voltage of LED D reduce gradually or to increase.Wherein, the input of input rectification filtering module 1 is connected with AC power, the output of input rectification filtering module 1 is connected with the input of square wave generation module 2, the output of square wave generation module 2 is connected with the input of voltage changing module 3, the output of voltage changing module 3 is connected with the input of output rectification filtering module 4, and the output of output rectification filtering module 4 is connected with LED D; The brightness adjusting signal output of communication module 5 is connected with the brightness adjusting signal input of main control module 6; The pulse-width adjustment signal output part of main control module 6 is connected with the pulse-width adjustment signal input part of square wave generation module 2.
Input rectification filtering module 1 comprises input and output.The input of input rectification filtering module 1 is connected with AC power AC, so that AC power AC is done rectifying and wave-filtering process, and exports DC power supply.In the present embodiment, input rectification filtering module 1 comprises rectifier bridge (not shown) and the first filter capacitor (not shown), the input of rectifier bridge is connected with AC power AC, the output of rectifier bridge is through the first filter capacitor ground connection, and the output of rectifier bridge is also connected with the input of square wave generation module 2.
Square wave generation module 2 comprises input, output and controlled end.The input of square wave generation module 2 is connected with the output of input rectification filtering module 1.DC power supply inputs to square wave generation module 2, and square wave generation module 2 pairs of DC power supply process, to export the square-wave signal of certain pulsewidth size at its output.The controlled end of square wave generation module 2 is connected with the control signal output of feedback module 5.Feedback module 5 outputs control signals to the controlled end of square wave generation module 2, thus the pulsewidth size of the square-wave signal of adjustment square wave generation module 2 output.
Voltage changing module 3 is for changing square-wave signal transformation, and in the present embodiment, voltage changing module 3 is transformer.Wherein, the armature winding of transformer is connected with the output of square wave generation module 2, and the secondary winding of transformer is connected with the input of output rectification filtering module 4.
Output rectification filtering module 4 pairs of transformation conversion square-wave signals carry out rectifying and wave-filtering process to export DC power supply.In the present embodiment, output rectification filtering module 4 comprises rectifier diode (not shown) and the second filter capacitor (not shown), the anode of rectifier diode is connected with the output of voltage changing module 3, the negative electrode of rectifier diode is through the second filter capacitor ground connection, and the negative electrode of rectifier diode is connected with LED D, for LED D powers.
Communication module 5 communicates with communication terminal 5, to receive the brightness adjustment instruction that user is inputted by communication terminal 5.In addition, communication module 5 also obtains this brightness adjustment instruction duration, and to determine the amplitude of LED D brightness adjustment, it should be noted that the lasting time is shorter, the amplitude of adjustment is larger, and the time continued is shorter, and the amplitude of adjustment is less.Communication module 5 adjusts signal to main control module 6 according to the brightness adjustment instruction received and lasting time output brightness thereof, can know that user needs the adjustment brightness of LED D and the amplitude of adjustment to make main control module 6.It should be noted that communication module 5 can be WIFI module or GPRS module etc., communication terminal 5 can be the communication equipment such as smart mobile phone or panel computer.
The brightness adjusting signal that main control module 6 exports to it for receiving input module 5, and according to brightness adjusting signal output pulse width adjustment signal to square wave generation module 2.Square wave generation module 2 is according to the pulsewidth of the pulse-width adjustment signal adjusting ripple received.Particularly, when needs lighten, the pulsewidth of pulse-width adjustment signal controlling square wave broadens, and to increase LED D voltage value, thus realizes lightening LED.When needs dim, the pulsewidth of pulse-width adjustment signal controlling square wave narrows, and to reduce the size of LED D supply power voltage, thus realizes dimming LED.Should be noted that, main control module 6 adjusts signal input order persistence time span by obtaining user, broaden gradually with the pulsewidth controlling square wave within this period or narrow, thus mildly can adjust the brightness of LED D, avoid LED D to brighten instantaneously or dimmed and bring discomfort to user.
The LED drive power of the remote adjustment driving voltage that the utility model provides, the communication module 5 in this LED drive power can communicate with communication terminal 5.User long-rangely can send brightness adjustment instruction to communication module 5 by operation communication terminal 5.Communication module 5 receives brightness adjustment instruction and obtains this brightness adjustment instruction duration, to export corresponding brightness adjusting signal to main control module 6.Main control module 6 to square wave generation module 2, to control the pulsewidth that square wave generation module 2 adjusts square wave gradually, and then realizes the supply power voltage size increasing or reduce LED D gradually according to brightness adjusting signal output pulse width adjustment signal.The utility model can not only realize remote control to overcome the region restriction of LED D brightness regulation, and the brightness of adjustment LED D is the process adjusting voltage swing gradually, thus overcomes LED D and brighten instantaneously or dimmedly bring uncomfortable defect to user.
Further, the LED drive power of remote adjustment driving voltage also comprises the magnitude of voltage for obtaining transformation conversion square-wave signal and exports control signal to adjust the feedback module 8 of the square wave pulse width of square wave generation module 2 according to magnitude of voltage and the comparative result of the reference value preset, wherein, the acquisition end of feedback module 8 is connected with the output of voltage changing module 3, and the control signal output of feedback module 8 is connected with the second controlled end of square wave generation module 2.
The reference value identical with the operating voltage of LED D is preset with at feedback module 8.For providing constant voltage to LED D, the magnitude of voltage of the transformation conversion square-wave signal of the output of feedback module 8 pairs of voltage changing modules 3 obtains, and the magnitude of voltage got and the reference value preset is compared.If when the magnitude of voltage got is greater than default reference value, feedback module 8 outputs control signals to square wave generation module 2, narrow with the pulsewidth controlling the square-wave signal that square wave generation module 2 exports, thus the magnitude of voltage of the transformation that voltage changing module 3 is exported conversion square-wave signal diminishes.Vice versa, do not repeat them here.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. the LED drive power of a remote adjustment driving voltage, it is characterized in that, comprise: for AC power rectifying and wave-filtering is exported the input rectification filtering module of DC power supply, for described DC power supply being converted to the square wave generation module of square-wave signal, for square-wave signal being carried out transformation conversion and exporting the voltage changing module that transformation changes square-wave signal, rectifying and wave-filtering is carried out to export the output rectification filtering module of DC power supply to described transformation conversion square-wave signal, the time of carrying out communicating obtaining brightness adjustment instruction that user inputs and this brightness adjustment order persistence with described communication terminal adjusts the communication module of signal with output brightness, and according to the main control module that described brightness adjusting signal output pulse width adjustment signal reduces gradually to make the driving voltage of LED or increases,
Wherein, the input of described input rectification filtering module is connected with described AC power, the output of described input rectification filtering module is connected with the input of square wave generation module, the output of described square wave generation module is connected with the input of described voltage changing module, the output of described voltage changing module is connected with the input of described output rectification filtering module, and the output of described output rectification filtering module is connected with LED; The brightness adjusting signal output of described communication module is connected with the brightness adjusting signal input of described main control module; The pulse-width adjustment signal output part of described main control module is connected with the pulse-width adjustment signal input part of described square wave generation module.
2. the LED drive power of remote adjustment driving voltage as claimed in claim 1, it is characterized in that, also comprise the magnitude of voltage for obtaining described transformation conversion square-wave signal and export control signal to adjust the feedback module of the square wave pulse width of described square wave generation module according to described magnitude of voltage and the comparative result of the reference value preset, wherein, the acquisition end of described feedback module is connected with the output of described voltage changing module, with the control of described square wave generation module, the control signal output of described feedback module believes that signal input part is connected.
3. the LED drive power of remote adjustment driving voltage as claimed in claim 1 or 2, it is characterized in that, described communication terminal is smart mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520799410.7U CN205051932U (en) | 2015-10-16 | 2015-10-16 | Long -range regulation driving voltage's LED drive power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520799410.7U CN205051932U (en) | 2015-10-16 | 2015-10-16 | Long -range regulation driving voltage's LED drive power supply |
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| Publication Number | Publication Date |
|---|---|
| CN205051932U true CN205051932U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520799410.7U Expired - Fee Related CN205051932U (en) | 2015-10-16 | 2015-10-16 | Long -range regulation driving voltage's LED drive power supply |
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| Country | Link |
|---|---|
| CN (1) | CN205051932U (en) |
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2015
- 2015-10-16 CN CN201520799410.7U patent/CN205051932U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20201016 |