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 PDF

Info

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
Authority
CN
China
Prior art keywords
circuit
mos
led
mcu control
led lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820739326.XU
Other languages
Chinese (zh)
Inventor
杨长华
沈尚德
苗雨桥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING QUANFU OPTOELECTRONIC TECHNOLOGY Co Ltd
Original Assignee
BEIJING QUANFU OPTOELECTRONIC TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING QUANFU OPTOELECTRONIC TECHNOLOGY Co Ltd filed Critical BEIJING QUANFU OPTOELECTRONIC TECHNOLOGY Co Ltd
Priority to CN201820739326.XU priority Critical patent/CN208509314U/en
Application granted granted Critical
Publication of CN208509314U publication Critical patent/CN208509314U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor 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

It is a kind of can be with the LED lamp drive circuit of continuous light tuning
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.
CN201820739326.XU 2018-05-15 2018-05-15 It is a kind of can be with the LED lamp drive circuit of continuous light tuning Expired - Fee Related CN208509314U (en)

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)

Similar Documents

Publication Publication Date Title
CN105792413B (en) LED intelligent driven controlling systems and light fixture
CN205946280U (en) Module of adjusting luminance and application product thereof
CN204206554U (en) A kind of Dimmable LED power supply
CN103096586A (en) Light-dimmer driving circuit
CN103379707A (en) Lighting system
CN103313469B (en) A kind of drive circuit of LED light device and driving method
CN104066247A (en) Drive circuit and dimming control method for LED lighting device
CN204652714U (en) A kind of LED drive power of domestic intelligent light modulation
CN102256420A (en) Intelligent dimming device for LED (light-emitting diode) streetlamp
CN208509314U (en) It is a kind of can be with the LED lamp drive circuit of continuous light tuning
CN202160310U (en) Intelligent light modulation device for light modulation by LED street lamp according to ambient light
CN105792433B (en) Switching Power Supply driving chip and controllable silicon light modulation LED drive circuit
CN101331810B (en) Illumination control apparatus using a pulsating wave
CN203984733U (en) A kind of drive circuit of LED lighting device
CN208317071U (en) A kind of novel Segmented timed dimming LED lamp driving circuit
CN103139991A (en) Light-adjustable light-emitting diode (LED) drive circuit
CN203489063U (en) LED lamp with adjustable luminance
CN104684227B (en) LED intelligent dimming driving circuit
CN206100561U (en) LED intelligence lighting system that can adjust luminance
CN103228083A (en) Intelligent dimming LED driving power supply
CN205546038U (en) LED self -adaptation dimming control device
CN207911069U (en) Constant current output high pressure dimming driver
CN208210363U (en) A kind of high PF Intelligent dimming circuit structure of high integration
CN206656170U (en) A kind of induction LED energy-conserving barrel lamp
CN207053836U (en) A kind of LED high-voltage driving circuit with dimming function

Legal Events

Date Code Title Description
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.

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

CF01 Termination of patent right due to non-payment of annual fee