CN203504835U - Stably-working LED illuminating lamp driver circuit - Google Patents
Stably-working LED illuminating lamp driver circuit Download PDFInfo
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- CN203504835U CN203504835U CN201320621823.7U CN201320621823U CN203504835U CN 203504835 U CN203504835 U CN 203504835U CN 201320621823 U CN201320621823 U CN 201320621823U CN 203504835 U CN203504835 U CN 203504835U
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- resistance
- electric capacity
- illuminating lamp
- capacitor
- rectifier
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Abstract
The utility model discloses a stably-working LED illuminating lamp driver circuit which comprises an illuminating lamp, a first resistor, a second resistor, a third resistor, a fourth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a thyristor, an inductor, a rectifier and a fuse. Compared with the prior art, the circuit of the utility model is simple in structure, low in cost, low in energy consumption and stable in work; employs a capacitance step-down driving manner; is very suitable for illumination of common families; and can be widely popularized.
Description
Technical field
The utility model relates to a kind of drive circuit, relates in particular to a kind of LED floodlight driver circuit of working stability.
Background technology
Breakthrough along with semiconductor and LED encapsulation technology, power grade and the brightness of single-chip LED improve constantly, along with LED light efficiency, life-span and photochromic on obvious raising, its showing, there is huge market potential in the field such as backlight, decoration and illumination, although LED application constantly expands, life-span and light efficiency are higher than traditional lighting, but cost is relatively high, as long as and in use have a light-emitting diodes tube short circuit or an open circuit, all will cause small pieces or whole piece LED illuminating lamp to extinguish, affect illuminating effect.
Summary of the invention
The purpose of this utility model is the LED floodlight driver circuit that a kind of working stability will be provided.
For achieving the above object, the utility model is implemented according to following technical scheme:
The utility model comprises illuminating lamp, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, thyristor, inductance, rectifier and fuse, the anodal while of described illuminating lamp and the first end of described the first resistance, the first end of described the first electric capacity, the first end of described the second resistance, the positive pole of described the second electric capacity is connected with the first end of described inductance, the negative pole of described illuminating lamp is connected with the first end of described the 3rd resistance with the control end of described thyristor simultaneously, the positive pole of described thyristor is connected with the second end of described the first resistance, the negative pole while of described thyristor and the second end of described the first electric capacity, the second end of described the second resistance, the negative pole of described the second electric capacity, the second end of described the 3rd resistance and the negative pole of described rectifier are connected, and the second end of described inductance is connected with the positive pole of described rectifier, the first input end while of described rectifier and the first end of described the 4th resistance, the first end of described the 3rd electric capacity is connected with the first end of described the 4th electric capacity, and the second input of described rectifier is connected with the zero line side of AC power, the second end while of described the 4th resistance and the second end of described the 3rd electric capacity, the second end of described the 4th electric capacity and the first end of described fuse are connected, and the second end of described fuse is connected with the phase line end of described AC power.
Particularly, described illuminating lamp is comprised of a plurality of light-emitting diodes; Described the second electric capacity is polar capacitor
Compared with prior art, the utility model is simple in structure, employing be capacitor step-down type of drive, consume energy low, with low cost, working stability, is highly suitable for the illumination of average family, has the value of high penetration and promotion.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, in illustrative examples and the explanation of this utility model, is used for explaining the utility model, but not as to restriction of the present utility model.
As shown in Figure 1: the utility model comprises illuminating lamp LED, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, thyristor VS, inductance L, rectifier BR and fuse FU, illuminating lamp LED is comprised of a plurality of light-emitting diodes, and the second capacitor C 2 is polar capacitor, the anodal while of illuminating lamp LED and the first end of the first resistance R 1, the first end of the first capacitor C 1, the first end of the second resistance R 2, second positive pole of capacitor C 2 and the first end of inductance L are connected, the negative pole of illuminating lamp LED is connected with the first end of the 3rd resistance R 3 with the control end of thyristor VS simultaneously, the positive pole of thyristor VS is connected with the second end of the first resistance R 1, the negative pole while of thyristor VS and the second end of the first capacitor C 1, the second end of the second resistance R 2, the negative pole of the second capacitor C 2, the second end of the 3rd resistance R 3 is connected with the negative pole of rectifier BR, and the second end of inductance L is connected with the positive pole of rectifier BR, the first input end while of rectifier BR and the first end of the 4th resistance R 4, the first end of the 3rd capacitor C 3 is connected with the first end of the 4th capacitor C 4, and the second input of rectifier BR is connected with the zero line side of AC power, the second end while of the 4th resistance R 4 and the second end of the 3rd capacitor C 3, the second end of the 4th capacitor C 4 is connected with the first end of fuse FU, and the second end of fuse FU is connected with the phase line end of AC power.
As shown in Figure 1: the rate of exchange of the utility model circuit structure are simple, what adopt is capacitor step-down type of drive, wherein the 3rd capacitor C 3 and the 4th capacitor C 4 are two identical electric capacity in parallel, be used for step-down and current limliting, rectifier BR is comprised of the diode of 4 IN4007 models, be used for the alternating voltage of input to carry out rectification, the second capacitor C 2 is filter capacitor, alternating component for filtering rectifier output voltage, make voltage more level and smooth, inductance L and the first capacitor C 1 are for the radio-frequency component of filtering output voltage, the second resistance R 2 provides discharge loop for the second capacitor C 2, thyristor VS is unidirectional thyristor, circuit is protected, the first resistance R 1 is also used for current limliting.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion of making according to the technical solution of the utility model, within all falling into protection range of the present utility model.
Claims (3)
1. a LED floodlight driver circuit for working stability, is characterized in that: comprise illuminating lamp, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, thyristor, inductance, rectifier and fuse, the anodal while of described illuminating lamp and the first end of described the first resistance, the first end of described the first electric capacity, the first end of described the second resistance, the positive pole of described the second electric capacity is connected with the first end of described inductance, the negative pole of described illuminating lamp is connected with the first end of described the 3rd resistance with the control end of described thyristor simultaneously, the positive pole of described thyristor is connected with the second end of described the first resistance, the negative pole while of described thyristor and the second end of described the first electric capacity, the second end of described the second resistance, the negative pole of described the second electric capacity, the second end of described the 3rd resistance and the negative pole of described rectifier are connected, and the second end of described inductance is connected with the positive pole of described rectifier, the first input end while of described rectifier and the first end of described the 4th resistance, the first end of described the 3rd electric capacity is connected with the first end of described the 4th electric capacity, and the second input of described rectifier is connected with the zero line side of AC power, the second end while of described the 4th resistance and the second end of described the 3rd electric capacity, the second end of described the 4th electric capacity and the first end of described fuse are connected, and the second end of described fuse is connected with the phase line end of described AC power.
2. the LED floodlight driver circuit of working stability according to claim 1, is characterized in that: described illuminating lamp is comprised of a plurality of light-emitting diodes.
3. the LED floodlight driver circuit of working stability according to claim 1, is characterized in that: described the second electric capacity is polar capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621823.7U CN203504835U (en) | 2013-10-08 | 2013-10-08 | Stably-working LED illuminating lamp driver circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621823.7U CN203504835U (en) | 2013-10-08 | 2013-10-08 | Stably-working LED illuminating lamp driver circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504835U true CN203504835U (en) | 2014-03-26 |
Family
ID=50335772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320621823.7U Expired - Fee Related CN203504835U (en) | 2013-10-08 | 2013-10-08 | Stably-working LED illuminating lamp driver circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203504835U (en) |
-
2013
- 2013-10-08 CN CN201320621823.7U patent/CN203504835U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN SUNUNPOWER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIU SHUAISHUAI Effective date: 20140804 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Naizhi Inventor before: Liu Shuaishuai |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315700 NINGBO, ZHEJIANG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE Free format text: CORRECT: INVENTOR; FROM: LIU SHUAISHUAI TO: XU NAIZHI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140804 Address after: 518000 Guangdong city of Shenzhen province Baoan District manhole Street Licheng Technology Industrial Park D building two, four floor Patentee after: SHENZHEN SUNUNPOWER TECHNOLOGY CO., LTD. Address before: 315700 No. 98, middle Garden Road, Xiangshan Industrial Demonstration Park, Ningbo, Zhejiang Patentee before: Liu Shuaishuai |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20181008 |
|
| 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: 20140326 Termination date: 20181008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |