CN208509314U - It is a kind of can be with the LED lamp drive circuit of continuous light tuning - Google Patents
It is a kind of can be with the LED lamp drive circuit of continuous light tuning Download PDFInfo
- Publication number
- CN208509314U CN208509314U CN201820739326.XU CN201820739326U CN208509314U CN 208509314 U CN208509314 U CN 208509314U CN 201820739326 U CN201820739326 U CN 201820739326U CN 208509314 U CN208509314 U CN 208509314U
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- circuit
- mos
- led
- mcu control
- led lamp
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- Expired - Fee Related
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- 238000001914 filtration Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241001465382 Physalis alkekengi Species 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to lighting areas, disclosing one kind can be with the LED lamp drive circuit of continuous light tuning, EMI current rectifying and wave filtering circuit and signal deteching circuit are separately connected by CWA inductance type ballast circuit, EMI current rectifying and wave filtering circuit connects N-MOS control pipe and diode rectification filter circuit, diode rectification filter circuit is separately connected LED light source follower circuit and auxiliary VCC circuit, auxiliary VCC circuit and signal deteching circuit connect microwave induced and MCU control circuit jointly, microwave induced and MCU control circuit and LED open loop protection circuit connect MOS driving and PWM light adjusting circuit jointly, MOS driving and PWM light adjusting circuit are connected to N-MOS control pipe, the function of continuously adjusting LED light source brightness is realized by the collective effect of above functions circuit.The beneficial effect is that: changed by the automatic sensing external world to control main circuit current variation and achieve the purpose that continuous light tuning, does not need additionally to increase light modulator and its auxiliary facility, low manufacture cost is low in energy consumption, and high-efficient, energy-saving effect is obvious.
Description
Technical field
The utility model category LED light source lighting area, in particular to one kind can be with the LED lamp drive circuit of continuous light tuning.
Background technique
At present on the market the LED lamp with dimming function require cooperation light modulator use, lamps and lanterns itself not only need to
Light modulator is additionally provided a driving load, and needs installation matched to light dimmer designs, and mounting means is complicated,
Product cost is increased considerably simultaneously, is unfavorable for promoting and applying, people need a kind of can be thus achieved without light modulator for simplicity
The LED lamp of automatic dimming function.
Utility model content
The utility model is provided to solve the defect that must be reached light modulation purpose using light modulator in the prior art
A kind of convenience is applied to one of lamps and lanterns product can be with the LED lamp drive circuit of continuous light tuning.
The utility model is achieved by the following technical solution:
It is a kind of can with the LED lamp drive circuit of continuous light tuning, using Microwave Detecting Technology, by MCU control metal-oxide-semiconductor come pair
LED lamp is dimmed, it is characterised in that: by CWA inductance type ballast circuit while difference EMI current rectifying and wave filtering circuit and signal
Detection circuit, EMI current rectifying and wave filtering circuit connect N-MOS control pipe and diode rectification filter circuit, diode rectification filtered electrical
Road is separately connected LED light source follower circuit and auxiliary VCC circuit, and VCC circuit and signal deteching circuit is assisted to connect microwave jointly
Induction and MCU control circuit, microwave induced and MCU control circuit and LED open loop protection circuit connect MOS driving and PWM jointly
Light adjusting circuit, MOS driving and PWM light adjusting circuit be connected to N-MOS control pipe, by the collective effect of above functions circuit come
Realize the function of continuously adjusting LED light source brightness.
Further, described microwave induced and MCU control circuit includes microwave induced circuit, MCU control circuit and execution
Hold MOS driving tube.
The beneficial effects of the utility model are: being changed by the automatic sensing external world to control main circuit current variation and reach company
The purpose of continuous light modulation, does not need additionally to increase light modulator and its auxiliary facility, and low manufacture cost is low in energy consumption, high-efficient, energy conservation
Effect is obvious.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the circuit diagram of the utility model;
Fig. 2 is the circuit block diagram of the utility model;
In figure, 101 CWA inductance type ballast circuits, 102 EMI current rectifying and wave filtering circuits, 103 diode rectification filtered electricals
Road, 104 signal deteching circuits, 105 microwave induced and MCU control circuits, 106 MOS driving and PWM light adjusting circuit, 107 LED
Open loop protection circuit, 108 auxiliary VCC circuits, 109 LED light source follower circuits, 110 N-MOS control pipe.
Specific embodiment
Fig. 1,2 be the utility model a kind of specific embodiment.
The utility model one kind can be divided with the LED lamp drive circuit of continuous light tuning by CWA inductance type ballast circuit 101
Not Lian Jie EMI current rectifying and wave filtering circuit 102 and signal deteching circuit 104, EMI current rectifying and wave filtering circuit 102 connect N-MOS control pipe
110 and diode rectification filter circuit 103, diode rectification filter circuit 103 be separately connected 109 He of LED light source follower circuit
VCC circuit 108 is assisted, VCC circuit 108 and signal deteching circuit 104 is assisted to connect microwave induced and MCU control circuit jointly
105, microwave induced and MCU control circuit 105 and LED open loop protection circuit 107 connect MOS driving and PWM light adjusting circuit jointly
106, MOS driving and PWM light adjusting circuit 106 be connected to N-MOS control pipe 110, by the collective effect of above functions circuit come
Realize the function of continuously adjusting LED light source brightness.
Further, described microwave induced and MCU control circuit 105 includes microwave induced circuit, MCU control circuit and holds
Row end MOS driving tube.
AC alternating current is carried out decompression current limliting, and inhibits transient voltage wave in power grid by CWA inductance type ballast circuit 101
Dynamic interference;
EMI current rectifying and wave filtering circuit 102 filters rambling power supply disturbance signal, exports frequency multiplication alternating voltage;
Diode rectification filter circuit 103 exports DC voltage after the alternating voltage of frequency multiplication is rectified filtering again, provides
Give LED light source lighting;
Signal deteching circuit 104, detection enter the ac voltage signal of MCU control circuit, are made by the adjustment of circuit
The alternating current voltage frequency that the pwm pulse frequency of MCU output is exported with ballast is consistent;
Induction module is conducted through the signal come and exported after the processing of MCU program by microwave induced and MCU control circuit 105
Pwm pulse voltage, to drive next stage circuit;
MOS driving and PWM light adjusting circuit 106, pwm pulse voltage go beating for control N-MOS control pipe through overdrive circuit
Open and close conjunction state, to adjust the size of LED output electric current;
LED open loop protection circuit 107 is opened to adjust the maximum operating voltage of LED light source in LED light source follower circuit
Output is turned off when road;
VCC circuit 108 is assisted, generates auxiliary 12V voltage to drive N-MOS control pipe, while generating auxiliary 5V voltage
To drive microwave induced module, MCU;
N-MOS controls pipe 110, opens and closes the pole G according to the voltage signal of MOS drive circuit output, adjusts LED light
The size of current of source circuit;
The utility model is not limited to above embodiment, anyone, which should learn, makes under the enlightenment of the utility model
There is same or similar technical solution with the utility model, each fall within the protection scope of the utility model;
Technology that the utility model is not described in detail, shape, construction portion are well-known technique.
Claims (2)
1. one kind can with the LED lamp drive circuit of continuous light tuning, using Microwave Detecting Technology, by MCU control metal-oxide-semiconductor come pair
LED light is dimmed, it is characterised in that: is separately connected EMI current rectifying and wave filtering circuit by CWA inductance type ballast circuit and signal is examined
Slowdown monitoring circuit, EMI current rectifying and wave filtering circuit connect N-MOS control pipe and diode rectification filter circuit, diode rectification filter circuit
It is separately connected LED light source follower circuit and auxiliary VCC circuit, VCC circuit and signal deteching circuit is assisted to connect microwave sense jointly
It answers and MCU control circuit, microwave induced and MCU control circuit and LED open loop protection circuit connects MOS driving and PWM tune jointly
Optical circuit, MOS driving and PWM light adjusting circuit are connected to N-MOS control pipe, are realized by the collective effect of above functions circuit
Continuously adjust the function of LED light source brightness.
2. one kind according to claim 1 can be with the LED lamp drive circuit of continuous light tuning, it is characterized in that: the microwave sense
It answers and MCU control circuit includes microwave induced circuit, MCU control circuit and actuating station MOS driving tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820739326.XU CN208509314U (en) | 2018-05-15 | 2018-05-15 | It is a kind of can be with the LED lamp drive circuit of continuous light tuning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820739326.XU CN208509314U (en) | 2018-05-15 | 2018-05-15 | It is a kind of can be with the LED lamp drive circuit of continuous light tuning |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208509314U true CN208509314U (en) | 2019-02-15 |
Family
ID=65292886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820739326.XU Expired - Fee Related CN208509314U (en) | 2018-05-15 | 2018-05-15 | It is a kind of can be with the LED lamp drive circuit of continuous light tuning |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208509314U (en) |
-
2018
- 2018-05-15 CN CN201820739326.XU patent/CN208509314U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
DD01 | Delivery of document by public notice |
Addressee: Hong Shuhong Document name: Notification to Pay the Fees |
|
DD01 | Delivery of document by public notice | ||
CP02 | Change in the address of a patent holder |
Address after: Unit 2, 16 / F, building 1, yard 4, Qiyang Road, Chaoyang District, Beijing Patentee after: FOREVERLAMP BEIJING LTD. Address before: 100102 Beijing science and Technology Pioneer Park, Chaoyang District, Wangjing, 10 Patentee before: FOREVERLAMP BEIJING LTD. |
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CP02 | Change in the address of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 |
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CF01 | Termination of patent right due to non-payment of annual fee |