CN202435649U - Energy-saving brightness sensor LED lights - Google Patents
Energy-saving brightness sensor LED lights Download PDFInfo
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- CN202435649U CN202435649U CN2011204710887U CN201120471088U CN202435649U CN 202435649 U CN202435649 U CN 202435649U CN 2011204710887 U CN2011204710887 U CN 2011204710887U CN 201120471088 U CN201120471088 U CN 201120471088U CN 202435649 U CN202435649 U CN 202435649U
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- 239000013078 crystal Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000005236 sound signal Effects 0.000 abstract description 2
- 238000004020 luminiscence type Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses an energy-saving type brightness induction LED lamp, comprising an LED emitting unit. The improvement of the utility model is that the energy-saving type brightness induction LED lamp also comprises an MCU processing module used for outputting a PWM signal and adjusting the brightness of the LED lamp; a human body induction module electrically connected with the signal input end of the MCU processing module; an AC/DC constant voltage power supply electrically connected with the MCU processing module; a DC/DC constant current power supply electrically connected with the AC/DC constant voltage power supply; wherein the signal input end of the DC/DC constant current power supply is electrically connected with the signal output end of the MCU processing module, and the output end is electrically connected with the LED emitting unit. The beneficial effects of the utility model are that by using the human body induction module or a sound control module to acquire a human body signal or a sound signal, the energy-saving type brightness induction LED lamp inputs the acquired signal to the MCU processing module, after the MCU processing module processes the inputted signal, a PWM signal is outputted to control the current of the DC/DC constant current power supply, and finally control the emitting brightness of the LED emitting unit. The energy-saving type brightness induction LED lamp can be used in the occasions, such as an underground garage, etc., enables the energy-saving purpose to be realized and the normal service life of the LED lamp to be guaranteed at the same time, and has a good use effect and a stronger practicality.
Description
[technical field]
The utility model relates to the LED technical field, particularly a kind of energy-saving brightness impression LED lamp.
[background technology]
Development along with lighting technical field; Led light source because of have use low-tension supply, power consumption less, strong, the stability height of applicability, response time weak point, environmentally safe, advantage such as multicolor luminous; Become main flow lighting source of new generation, LED has replaced existing incandescent lamp, fluorescent lamp etc. gradually as the LED fluorescent tube of lighting source, LED bulb lamp etc.Usually in places such as underground parkings, daytime, light was also relatively darker, also needed lamp lighting; Because whole day needs illumination, so these occasions more need adopt the LED lamp lighting, reaches purpose of energy saving; For these places, night then fine people through, the car owner of stopping also seldom in addition nobody through or stop, but the LED light fixture still keeps light yellow always; Caused the very big wasting of resources like this, and long-time high brightness, heat accumulation is bigger; Cause that easily the LED light fixture burns out etc., influence the useful life of LED light fixture etc.
[summary of the invention]
The purpose of the utility model is to overcome above-mentioned deficiency, and a kind of energy-saving brightness impression LED lamp control circuit of automatic adjusting brightness is provided.
The purpose of the utility model is to realize like this: it comprises the LED luminescence unit, and its improvement is: also comprise
The MCU processing module is used for output pwm signal, regulates the LED lamp brightness;
Human body induction module, the signal input part electric connection with the MCU processing module is used to detect the human body signal in certain zone;
The AC/DC constant voltage source electrically connects with the MCU processing module, for the MCU processing module provides power supply;
The DC/DC constant-current supply electrically connects with the AC/DC constant voltage source, and the signal output part of the signal input part of said DC/DC constant-current supply and MCU processing module electrically connects, and output and LED luminescence unit electrically connect;
In the said structure, the signal input part of said MCU processing module is electrically connected with the acoustic control module;
In the said structure, be electrically connected with crystal oscillating circuit on the said MCU processing module.
The utility model beneficial effect is: the utility model through human body induction module or acoustic control module gather human body signal or voice signal (when human body near the time; Human body induction module detects human body signal, and when certain voice signal produced, the acoustic control module detected voice signal); The signal of gathering is inputed to the MCU processing module; Output one pwm signal to DC/DC constant-current supply module after the MCU processing module is handled, this pwm signal converts current corresponding output control signal to, the size of current of control DC/DC constant-current supply; The luminosity of final control LED luminescence unit; Generally have the people near the time or when having sound to send, the electric current of pwm signal control DC/DC constant-current supply output increases, thereby the brightness of LED luminescence unit is increased; By this, be applied to occasions such as underground garage, can realize purpose of energy saving, guaranteed the normal useful life of LED light fixture simultaneously, its result of use is good, has stronger practicality.
[description of drawings]
Fig. 1 is the theory diagram of the utility model
Fig. 2 is the schematic diagram of the utility model embodiment
[embodiment]
Below in conjunction with accompanying drawing and concrete execution mode the utility model is described further:
With reference to shown in Figure 1, the utility model has disclosed a kind of energy-saving brightness impression LED lamp, and it comprises LED luminescence unit 6, and MCU processing module 1 is used for output pwm signal, regulates the LED lamp brightness; Human body induction module 2, the signal input part electric connection with MCU processing module 1 is used to detect human body or signals of vehicles in certain zone; AC/DC constant voltage source 3 electrically connects with MCU processing module 1, for MCU processing module 1 provides power supply; DC/DC constant-current supply 4 electrically connects with AC/DC constant voltage source 3, and the signal output part of the signal input part of said DC/DC constant-current supply 4 and MCU processing module 1 electrically connects, and output and LED luminescence unit 6 electrically connect; The signal input part of said MCU processing module 1 is electrically connected with acoustic control module 5.
In addition; On said MCU processing module 1, be electrically connected with crystal oscillating circuit; Make to light or the process extinguished all is soft gradual change, can reduce the LED light fixture and light suddenly or extinguish and infringement that the human eye is caused, with the human eye is played a very good protection at the LED light fixture.
With reference to shown in Figure 2; Schematic diagram for the specific embodiment of the utility model; MCU processing module 1 comprises microcontroller U3 and the resistance R 21 that is connected with its pin, capacitor C 18 etc., and collection human-induced signal and voice signal are handled the human-induced signal and the voice signal of collection; And export the size that a control signal is controlled DC/DC constant-current supply 4 output currents; Human body induction module 2 comprises compositions such as human body sensing chip U1, unijunction transistor Q1, capacitor C 15, photo resistance R13, obtains human body or signals of vehicles by human body sensing chip U1 control, in people or vehicle process induction region; Because human body and vehicle have bigger thermal radiation; Human body sensing chip U1 detects the thermal radiation analog quantity of faint human body, offers MCU processing module 1 through converting thereof into digital signal again after amplifying, thereby sends the brilliance control order; Acoustic control module 5 comprises that high-frequency triode Q2, resistance R 1, R2, R20, capacitor C 16, microphone MIC form; Sound belongs to analog high frequency; Directly amplify through microphone MIC collected sound signal and through high-frequency triode Q2; Finally convert digital signal to, send to MCU processing module 1, thereby reach the brilliance control effect.DC/DC constant-current supply 4 comprises constant current chip U4; The signal input end DIM of said constant current chip U4 is connected in the output pin of microcontroller; This signal input end DIM is controlled by microcontroller and changes the output size of electric current, thereby reaches the effect of control brightness.AC/DC constant voltage source 3 comprises constant voltage chip U2 and capacitor C 4, C5, voltage-stabiliser tube D7; Ac signal is by AC input 7 input AC/DC constant voltage sources 3; AC/DC constant voltage source 3 provides stable voltage for microcontroller, and the direct current signal after will changing simultaneously inputs to DC/DC constant-current supply 4; Crystal oscillating circuit comprises crystal oscillator J1 and capacitor C 19, C20, and the two ends of crystal oscillator J1 are connected in the pin of microcontroller.
In sum, the utility model through human body induction module 2 or acoustic control module 5 gather human body signals or voice signal (when human body near the time, human body induction module 2 detects human body signal; When certain voice signal produces; Acoustic control module 5 detects voice signal), the signal of gathering is inputed to MCU processing module 1, output one pwm signal is to DC/DC constant-current supply 4 after MCU processing module 1 is handled; This pwm signal converts current corresponding output control signal to; The output current size of control DC/DC constant-current supply 4 is finally controlled the luminosity of LED luminescence unit 6, generally have people, vehicle near or when having sound to send; The electric current of pwm signal control DC/DC constant-current supply 4 outputs increases, thereby the brightness of LED luminescence unit 6 is increased; By this, be applied to occasions such as underground garage, can realize purpose of energy saving, guaranteed the normal useful life of LED light fixture simultaneously, its result of use is good, has stronger practicality.
According to the announcement and the instruction of above-mentioned specification, those skilled in the art in the invention can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection range of claim of the present invention modifications more of the present invention and change.In addition, although used some specific terms in this specification, these terms are explanation for ease just, the present invention is not constituted any restriction.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204710887U CN202435649U (en) | 2011-11-24 | 2011-11-24 | Energy-saving brightness sensor LED lights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204710887U CN202435649U (en) | 2011-11-24 | 2011-11-24 | Energy-saving brightness sensor LED lights |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202435649U true CN202435649U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204710887U Expired - Fee Related CN202435649U (en) | 2011-11-24 | 2011-11-24 | Energy-saving brightness sensor LED lights |
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| Country | Link |
|---|---|
| CN (1) | CN202435649U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103857099A (en) * | 2012-11-29 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | LED light modulation circuit |
| CN104766419A (en) * | 2014-01-02 | 2015-07-08 | 深圳市海洋王照明工程有限公司 | Fire-fighting acousto-optic alarm circuit and fire-fighting acousto-optic alarm |
| CN113873709A (en) * | 2021-09-26 | 2021-12-31 | 宁波鲨鱼电子有限公司 | a lighting fixture |
-
2011
- 2011-11-24 CN CN2011204710887U patent/CN202435649U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103857099A (en) * | 2012-11-29 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | LED light modulation circuit |
| CN104766419A (en) * | 2014-01-02 | 2015-07-08 | 深圳市海洋王照明工程有限公司 | Fire-fighting acousto-optic alarm circuit and fire-fighting acousto-optic alarm |
| CN104766419B (en) * | 2014-01-02 | 2019-01-15 | 深圳市海洋王照明工程有限公司 | Fire-fighting sound light alarming circuit and fire-fighting combined aural and visual alarm |
| CN113873709A (en) * | 2021-09-26 | 2021-12-31 | 宁波鲨鱼电子有限公司 | a lighting fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20131124 |