CN203261553U - Driving power source used for tunnel solar LED lighting - Google Patents
Driving power source used for tunnel solar LED lighting Download PDFInfo
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- CN203261553U CN203261553U CN 201320290655 CN201320290655U CN203261553U CN 203261553 U CN203261553 U CN 203261553U CN 201320290655 CN201320290655 CN 201320290655 CN 201320290655 U CN201320290655 U CN 201320290655U CN 203261553 U CN203261553 U CN 203261553U
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- power source
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Abstract
The utility model discloses a driving power source used for tunnel solar LED lighting. The driving power source used for tunnel solar LED lighting is characterized in that the driving power source includes a direct current power supplying source, an electromagnetic radiation processing circuit, a high-frequency step-down transformer, a high-frequency rectification circuit, a high-frequency filtering circuit, a constant current output circuit, an output sampling and feedback circuit and a constant current control circuit, wherein the constant current control circuit is connected with the high-frequency step-down transformer. By means of the above technical schemes, the driving power source used for tunnel solar LED lighting is advantageous in greatly decreased cost, improved efficiency, improved reliability, prolonged service life, and decreased volume and weight.
Description
Technical field
The utility model relates to the LED field, particularly a kind of driving power for the tunnel the solar energy LED illuminate.
Background technology
Along with the development of LED lighting technology, the technology of constant-current driving power supply and product are also ripe day by day, but its cost is a principal element that restriction LED illuminating product large tracts of land is popularized.In the led chip technology and the quick changing process of encapsulation technology of beginning in 2010, the price of LED lamp pearl dropped to 2010 1/3rd to 1/4th, that is to say and descended 60% ~ 70%, but the price of constant-current driving power supply has only descended about 20%, and driving power becomes the bottleneck that restriction LED illuminating product is popularized comprehensively to a certain extent.
The main cause that causes the cost of LED constant-current driving power supply to be difficult to descend is: the electronic devices and components that driving power adopts all are ripe products, the fall of price is very limited, particularly, in order to improve the reliability of driving power, make it have the long-life cycle suitable with LED, the crucial electronic devices and components of some of driving power need to be selected the product of high-quality high price, such as selected high-voltage electrolytic capacitor in the filter circuit 1 in the composition frame chart of the present LED illumination driving power source that uses of Fig. 1, withstand voltage 400 ~ 450V, capacity 100 ~ 120 μ f, price is at 100 ~ 150 yuan, be used on the driving power of a 100W, just occupy 1/4th to 1/3rd of whole power supply cost.
Summary of the invention
For the problems referred to above, the utility model purpose is to provide a kind of cost that can effectively reduce driving power, and the driving power that is used for the tunnel the solar energy LED illuminate of the efficient of power supply is provided.
For achieving the above object, the technical scheme that the utility model proposes is: a kind of driving power for the tunnel the solar energy LED illuminate is characterized in that: comprise dc power supply, electromagnetic radiation circuit, high frequency voltage descending transformer, high-frequency rectification circuit, high-frequency filter circuit, constant current output circuit, output sampling and the feedback circuit, the constant-current control circuit that link to each other successively; Described constant-current control circuit links to each other with the high frequency voltage descending transformer.
Further, also be connected with a brightness impression device on the described constant-current control circuit, be used for automatically regulating the brightness of light fixture.
Adopt technique scheme, the driving power for the tunnel the solar energy LED illuminate described in the utility model, the beneficial effect that has is:
1) the driving power cost of tunnel the solar energy LED illuminate significantly descends;
2) the driving power efficient of tunnel the solar energy LED illuminate is improved;
3) reliability of the driving power of tunnel the solar energy LED illuminate and Service life;
4) the driving power volume and weight of tunnel the solar energy LED illuminate descends.
Description of drawings
Fig. 1 is the composition frame chart of the LED illumination driving power source of prior art;
Fig. 2 is the driving power composition frame chart for the tunnel the solar energy LED illuminate described in the utility model,
Fig. 3 is the power supply composition frame chart that increases the brightness impression device for the driving power composition frame chart of tunnel the solar energy LED illuminate described in the utility model;
1. dc power supply, 2. electromagnetic radiation circuit, 3. high frequency voltage descending transformer, 4. high-frequency rectification circuit, 5. high-frequency filter circuit, 6. constant current output circuit, 7. constant-current control circuit, 8. output sampling and feedback circuit, 9. ac power supply, 10. high pressure industrial frequency rectifying circuit, 11. high-pressure filter circuits, 12. circuit of power factor correction, 13. brightness impression devices.
Embodiment
The utility model is further explained below in conjunction with accompanying drawing.
Shown in Fig. 2-3, a kind of driving power for the tunnel the solar energy LED illuminate is characterized in that: comprise the dc power supply 1, electromagnetic radiation circuit 2, high frequency voltage descending transformer 3, high-frequency rectification circuit 4, high-frequency filter circuit 5, constant current output circuit 6, the output sampling and feedback circuit 8, constant-current control circuit 7 that link to each other successively; Described constant-current control circuit 7 links to each other with high frequency voltage descending transformer 3, also is connected with a brightness impression device 13 on the constant-current control circuit 7, is used for automatically regulating the brightness of light fixture.
Concrete, the acting as of each parts of the utility model: direct current supply electrical network 1: the high voltage direct current that is provided by solar power station; Electromagnetic radiation circuit 2: eliminate the electromagnetic radiation that driving power produces environment; High frequency voltage descending transformer 3: high voltage direct current is transformed into the needed low-voltage of load; High-frequency rectification circuit 4: with the direct current of high-frequency ac electric rectification for pulsation; High-frequency filter circuit 5: the direct current of dither is filtered into level and smooth direct current; Constant current output circuit 6: treated constant current direct current is exported to LED lamp pearl; Constant-current control circuit 7: the variable quantity of electric current in the load is become controlled quentity controlled variable, high frequency transformer is regulated, make the electric current on the LED lamp pearl keep constant; Output sampling and feedback circuit 8: the electric current on the LED lamp pearl is carried out sampling processing, and feed back to control circuit, implement the control to output current, brightness impression device 13 is used for automatically regulating the brightness of light fixture.
Driving power for the tunnel the solar energy LED illuminate described in the utility model is compared with LED constant-current driving power supply in the market, has saved high-voltage rectifier, high-pressure filter circuit and power factor and has adjusted pfc circuit, and the advantage that has is:
1) the driving power cost of tunnel the solar energy LED illuminate significantly descends: the amplitude that the cost of whole driving power descends is more than 40%;
2) the driving power efficient of tunnel the solar energy LED illuminate is improved: owing to reduced high pressure industrial frequency rectifying, filtering and circuit of power factor correction, the efficient of system improves 2 ~ 4%;
3) reliability of the driving power of tunnel the solar energy LED illuminate and Service life: the reliability of switching regulator constant-current driving power supply and life-span are depended on high-voltage filtering capacitor to a great extent, in constant-current driving power supply of the present utility model, cancelled high-voltage filtering capacitor, increase substantially the useful life of driving power, and reliability also is greatly improved;
4) the driving power volume and weight of tunnel the solar energy LED illuminate descends.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present utility model that appended claims limits; in the form and details the utility model is made a variety of changes, be protection range of the present utility model.
Claims (2)
1. a driving power that is used for the tunnel the solar energy LED illuminate is characterized in that: comprise dc power supply, electromagnetic radiation circuit, high frequency voltage descending transformer, high-frequency rectification circuit, high-frequency filter circuit, constant current output circuit, output sampling and the feedback circuit, the constant-current control circuit that link to each other successively; Described constant-current control circuit links to each other with the high frequency voltage descending transformer.
2. described a kind of driving power for the tunnel the solar energy LED illuminate according to claim 1 is characterized in that: also be connected with a brightness impression device on the described constant-current control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320290655 CN203261553U (en) | 2013-05-26 | 2013-05-26 | Driving power source used for tunnel solar LED lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320290655 CN203261553U (en) | 2013-05-26 | 2013-05-26 | Driving power source used for tunnel solar LED lighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203261553U true CN203261553U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320290655 Expired - Fee Related CN203261553U (en) | 2013-05-26 | 2013-05-26 | Driving power source used for tunnel solar LED lighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203261553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937736A (en) * | 2016-06-06 | 2016-09-14 | 北京城建集团有限责任公司 | Low-voltage lighting system for standardization tunnel and construction method of system |
-
2013
- 2013-05-26 CN CN 201320290655 patent/CN203261553U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937736A (en) * | 2016-06-06 | 2016-09-14 | 北京城建集团有限责任公司 | Low-voltage lighting system for standardization tunnel and construction method of system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510540, first floor, No. 21 North Tai Road, Taihe village, Baiyun District, Guangdong, Guangzhou Patentee after: GUANGDONG ZENBOON LIGHTING TECHNOLOGY CO., LTD. Address before: 510540, first floor, No. 21 North Tai Road, Taihe village, Baiyun District, Guangdong, Guangzhou Patentee before: Guangzhou Original Led Lighting Products Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20170526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |