CN201795316U - Constant-current LED illuminating lamp - Google Patents

Constant-current LED illuminating lamp Download PDF

Info

Publication number
CN201795316U
CN201795316U CN2010201638290U CN201020163829U CN201795316U CN 201795316 U CN201795316 U CN 201795316U CN 2010201638290 U CN2010201638290 U CN 2010201638290U CN 201020163829 U CN201020163829 U CN 201020163829U CN 201795316 U CN201795316 U CN 201795316U
Authority
CN
China
Prior art keywords
voltage
constant
current led
constant current
led
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
CN2010201638290U
Other languages
Chinese (zh)
Inventor
陈清尧
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.)
Foshan excellent photoelectric technology Co.,Ltd.
JIJIA OPTOELECTRONIC TECHNOLOGY CO.,LTD.
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN2010201638290U priority Critical patent/CN201795316U/en
Application granted granted Critical
Publication of CN201795316U publication Critical patent/CN201795316U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The utility model discloses a constant-current LED illuminating lamp, which is characterized by comprising a power rectifier filter circuit, a regulated-voltage constant-current LED driving circuit and an LED illumination control circuit, wherein the power rectifier filter circuit consists of a fuse FT1, bridge rectifiers D1-D4, filter voltage stabilizing capacitors C1-C5, inductors L1-L2, a diode D5, an integrated voltage stabilizing block U1 and the like which are connected, the regulated-voltage constant-current LED driving circuit consists of a triode T1, an optical coupler detection controller U2, a voltage stabilizing diode D6, resistors R1-R3 and the like which are connected, and the LED illumination control circuit consists of an illumination converting switch SW1, high-brightness warm white high-power light emitters LED1-LED7 and voltage stabilizing tubes D11-D17 which are connected. The constant-current LED illuminating lamp has the advantages of high luminous efficiency, fine light quality, electricity and energy conservation, wide applicable range of voltage, long service life, stable performance and the like.

Description

Constant current type LED illumination lamp
Technical field
The utility model relates to illuminating lamp, is specifically related to a kind of constant current type LED illumination lamp.
Background technology
At present, what illuminating lamp generally adopted is incandescent lamp and fluorescent lamp or electronic energy-saving lamp, conventional incandescent has that luminous efficiency is low, luminous mass is poor, service life is short and shortcoming such as energy consumption height, fluorescent lamp or electronic energy-saving lamp be the energy-conservation and quality height that emits beam than incandescent lamp, but electromagnetic interference is big, and voltage adaptation narrow range, service life are also shorter.
The utility model content
Problem to be solved in the utility model is how a kind of constant current type LED illumination lamp is provided, and this utility model constant current type LED illumination lamp has: luminous efficiency height, light quality are good, power and energy saving, voltage adaptation wide ranges, long service life and steady performance.
The technical problem that the utility model proposed is to solve like this: construct a kind of constant current type LED illumination lamp, it is characterized in that: comprise power supply rectification filter circuit, voltage stabilization constant current LED drive circuit and LED illuminance control circuit.Described power supply rectification filter circuit is connected and composed by insurance FT1, bridge rectifier D 1-D4, filtering voltage regulation capacitor C 1-C5, inductance L 1-L2, diode D5 and integrated voltage stabilizer U1 etc.; Described voltage stabilization constant current LED drive circuit is detected control device U2, Zener diode D6 and resistor R 1-R3 etc. and is connected and composed by triode T1, optocoupler; Described LED illuminance control circuit is connected and composed by illumination change-over switch SW1, the powerful illuminator LED1-LED7 of high brightness warm white and voltage-stabiliser tube D11-D17.
According to constant current type LED illumination lamp provided by the utility model, it is characterized in that: illumination change-over switch SW1 is six gear uniselectors.
The beneficial effects of the utility model are: luminous efficiency height, light quality are good, adjustable brightness, energy-conservation electric energy, voltage adaptation wide ranges, long service life and steady performance, and the desk lamp that can do eyeshield uses.
Description of drawings
Accompanying drawing 1 is a circuit structure diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, exchange the interior arbitrary voltage of 80V-270V scope through insurance RT1, bridge rectifier (D1-D4), capacitor (C2, C3, C4, C5), inductance (L1, L2) form the pi type filter output dc voltage, one the tunnel through R1 supply LED illuminator, one the tunnel through triode T1, resistance R 2, optical coupler U2, height integrated voltage stabilizer U1, take a sample, analyze, compare and control, the led drive circuit of forming pressure-stabilizing constant flow, D6 is the Zener diode of triode T1 base stage, D5 is a fast recovery diode, U1 is the height integrated package of pressure-stabilizing, (1) pin of optical coupler U2 links to each other with resistor R 2 one ends, (2) pin of optical coupler and the negative pole of output link to each other, (3) pin of optical coupler links to each other with (2) pin of height integrated package of pressure-stabilizing U1, and optical coupler (4) pin links to each other with rectifier (D1-D4) output ground.When being transported to LED illuminator A, the reduction of B both end voltage because of grid voltage change, the constant current sampling rate is managed the T1 base potential and is reduced, the ec electric current of T1 increases, increase by R2, optical coupler (1), (2) pin electric current, optical coupler (3), (4) electric current reduce, (3) pin above earth potential of height integrated package of pressure-stabilizing U1 descends, and A, B terminal voltage raise; When being transported to LED illuminator A, the rising of B both end voltage because of grid voltage change, the constant current sampling rate is managed the T1 base potential and is raise, the ec electric current of T1 reduces, reduce by R2, optical coupler (1), (2) pin electric current, optical coupler (3), (4) electric current reduce, (3) pin above earth potential of height integrated package of pressure-stabilizing U1 rises, and A, B terminal voltage reduce, and promptly remains LED illuminator A, the B both end voltage is constant.C1, C6, C8 are HF filtering capacitor among Fig. 1, and C7 is a voltage stabilizing low frequency filtering electric capacity; SW1 is the manual rotary change-over switch, LED1 and LED2 lighted when contact contacted 1 contact, LED1-LED3 lighted when contact contacted 2 contacts, LED1-LED4 lighted when contact contacted 3 contacts, LED1-LED5 lighted when contact contacted 4 contacts, LED1-LED6 lighted when contact contacted 5 contacts, and LED lighted entirely when contact contacted 6 contacts; D11-D17 be respectively with the Zener diode of LED parallel connection, the one, prevent that the single overtension of powered on moment LED illuminator from damaging the LED illuminator, the 2nd, when the LED of a plurality of series connection illuminator has a damage to open circuit, Zener diode in parallel on this illuminator punctures conducting, guarantees that the LED illuminator of other series connection is normally luminous.
The utility model also can be made various flexible mode, more than by the specific embodiment by accompanying drawing 1 illustrated embodiment, be that foregoing of the present utility model is done step detailed description, but this should be interpreted as that the scope of the theme that the utility model is above-mentioned only limits to described example.Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements and change according to ordinary skill knowledge and customary means are made all should be included in the scope of the present utility model.

Claims (2)

1. a constant current type LED illumination lamp is characterized in that: comprise power supply rectification filter circuit, voltage stabilization constant current LED drive circuit and LED illuminance control circuit; Described power supply rectification filter circuit is connected and composed by insurance (FT1), bridge rectifier (D1-D4), filtering voltage regulation electric capacity (C1-C5), inductance (L1-L2), diode (D5) and integrated voltage stabilizer (U1); Described voltage stabilization constant current LED drive circuit is detected control device (U2), Zener diode (D6) and resistor (R1-R3) and is connected and composed by triode (T1), optocoupler; Described LED illuminance control circuit is connected and composed by illumination change-over switch (SW1), the powerful illuminator of high brightness warm white (LED1-LED7) and voltage-stabiliser tube (D11-D17).
2. according to the described constant current type LED illumination lamp of claim 1, it is characterized in that: illumination change-over switch (SW1) is six gear uniselectors.
CN2010201638290U 2010-04-16 2010-04-16 Constant-current LED illuminating lamp Expired - Fee Related CN201795316U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201638290U CN201795316U (en) 2010-04-16 2010-04-16 Constant-current LED illuminating lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201638290U CN201795316U (en) 2010-04-16 2010-04-16 Constant-current LED illuminating lamp

Publications (1)

Publication Number Publication Date
CN201795316U true CN201795316U (en) 2011-04-13

Family

ID=43850224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201638290U Expired - Fee Related CN201795316U (en) 2010-04-16 2010-04-16 Constant-current LED illuminating lamp

Country Status (1)

Country Link
CN (1) CN201795316U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102510644A (en) * 2012-01-05 2012-06-20 陈清尧 Portable LED (light-emitting diode) lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102510644A (en) * 2012-01-05 2012-06-20 陈清尧 Portable LED (light-emitting diode) lamp
CN102510644B (en) * 2012-01-05 2013-11-06 陈清尧 Portable LED (light-emitting diode) lamp

Similar Documents

Publication Publication Date Title
CN201636622U (en) Digital controllable light alternating-current direct drive integrated LED illuminating lamp
CN201813599U (en) LED (Light-Emitting Diode) dimmer power
CN102548093A (en) Direct-current light emitting diode (LED) constant-current driving circuit and LED lamp
CN204465954U (en) A kind of LED lamp drive circuit with dimming function
CN201550315U (en) LED driving circuit
TWI401991B (en) Power transformation apparatus between dc lighting element and ballast
CN202040637U (en) Led lamp
CN101815384A (en) Constant current type LED illumination lamp
CN201246707Y (en) LED lighting lamp
CN201795316U (en) Constant-current LED illuminating lamp
CN203563231U (en) A light emitting diode aisle lighting lamp
CN202551458U (en) Conversion module for driving LED (Light-Emitting Diode) by using electronic ballast
CN202634833U (en) Diming circuit for light-emitting diode (LED) lamp
CN102118912B (en) A kind of LED streetlamp power source circuit
CN201623887U (en) LED power source
JP3152775U (en) LED driven by a chip that converts alternating current into constant current
CN201262375Y (en) Energy-saving circuit apparatus of LED illumination device
CN204598396U (en) A kind of LED voltage increase and current constant drive unit based on discrete component
CN200990704Y (en) Lighting system for refrigerator
CN202444663U (en) Eye-protecting LED (light emitting diode) lamp
CN202652650U (en) Hybrid integrated LED constant-current power circuit
CN201854480U (en) LED (light emitting diode) phase shift dimming circuit
CN201601859U (en) Non-isolated LED driving circuit
CN201515526U (en) Photo-electricity conversion driving circuit of LED
CN205071401U (en) A LED constant -current drive apparatus

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: SHENZHEN JIJIA OPTOELECTRONIC TECHNOLOGY Co.,Ltd.

Assignor: Chen Qingyao

Contract record no.: 2011440020507

Denomination of utility model: Constant current type LED illumination lamp

Granted publication date: 20110413

License type: Exclusive License

Record date: 20111221

ASS Succession or assignment of patent right

Owner name: SHENZHEN JIJIA OPTOELECTRONIC TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: CHEN QINGYAO

Effective date: 20120316

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 611630 CHENGDU, SICHUAN PROVINCE TO: SHENZHEN, GUANGDONG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20120316

Address after: Guangdong Province, Shenzhen Guangming New District Gongming office. The community Sixth Industrial Zone nineteenth

Patentee after: SHENZHEN JIJIA OPTOELECTRONIC TECHNOLOGY Co.,Ltd.

Address before: 611630 Pujiang vocational secondary school of Sichuan Province

Patentee before: Chen Qingyao

C56 Change in the name or address of the patentee

Owner name: GUANGDONG JIJIA OPTOELECTRONIC TECHNOLOGY CO., LTD

Free format text: FORMER NAME: FOSHAN JIJIA OPTOELECTRONIC TECHNOLOGY CO., LTD.

Owner name: FOSHAN JIJIA OPTOELECTRONIC TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: SHENZHEN JIJIA OPTOELECTRONIC TECHNOLOGY CO., LTD.

CP03 Change of name, title or address

Address after: 518000 Guangdong province Shenzhen Guangming New District Gongming office. The community Sixth Industrial Zone nineteenth

Patentee after: JIJIA OPTOELECTRONIC TECHNOLOGY CO.,LTD.

Address before: 528200, Guangdong, Nanhai District, Guicheng, Nanping street, 13 West Foshan Road, building eighth, 10 units

Patentee before: Foshan excellent photoelectric technology Co.,Ltd.

Address after: 528200, Guangdong, Nanhai District, Guicheng, Nanping street, 13 West Foshan Road, building eighth, 10 units

Patentee after: Foshan excellent photoelectric technology Co.,Ltd.

Address before: 518000 Guangdong province Shenzhen Guangming New District Gongming office. The community Sixth Industrial Zone nineteenth

Patentee before: SHENZHEN JIJIA OPTOELECTRONIC TECHNOLOGY Co.,Ltd.

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: 20110413

Termination date: 20170416