CN202261945U - Insulation high-voltage direct-current centralized control power supply device for large power LED (Light Emitting Diode) lamp - Google Patents
Insulation high-voltage direct-current centralized control power supply device for large power LED (Light Emitting Diode) lamp Download PDFInfo
- Publication number
- CN202261945U CN202261945U CN2011203372949U CN201120337294U CN202261945U CN 202261945 U CN202261945 U CN 202261945U CN 2011203372949 U CN2011203372949 U CN 2011203372949U CN 201120337294 U CN201120337294 U CN 201120337294U CN 202261945 U CN202261945 U CN 202261945U
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- Prior art keywords
- power supply
- led
- voltage direct
- lamp
- centralized control
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- Expired - Fee Related
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model relates to an insulation high-voltage direct-current centralized control power supply device for a large power LED (Light Emitting Diode) lamp, belonging to the field of LED power supply devices. The insulation high-voltage direct-current centralized control power supply device for the large power LED lamp comprises an LED and is characterized in that the LED is connected with the output end of a DC-DC constant current module, the input end of the DC-DC constant current module is connected with the direct-current output end of a bridge rectification circuit, and the input end of the bridge rectification circuit is connected with the output end of a transformer. With the adoption of the utility model, through centralized AC-DC conversion on the ground, a high-voltage direct current is transported into a street lampshade, and a non-electrolysis capacitor depression voltage BUCK module in the lampshade can ensure long-time failure free work under the condition of high temperature, thereby a power supply of a street lamp can be ensured to work in the severe environment for a long time; and in addition, a uniform ground distribution box is more convenient in daily maintenance and repair, a redundancy technology can be adopted without allowance for maintenance during power off, and a fault element is timely changed.
Description
Technical field
The utility model relates to the electric supply installation field of LED lamp, at length says it is a kind of high-powered LED lamp isolated high-voltage direct current centralized control electric supply installation.
Background technology
As everyone knows: led light source is as a kind of emerging light source; High with light efficiency, the life-span is long and obtained extensive use gradually, and supporting with it power supply is because exist the influence that receives the electrochemical capacitor life-span to exist the life-span short; Flimsy problem; The single service power supply exists efficient low simultaneously, the problem that power factor is low, and have shortcoming difficult in maintenance.Prior art is after through transformer high-pressure delivery voltage being reduced to the civil power alternating current 220V; Be linked into the power import of each street lamp; By the built-in AC-DC of street lamp (AC-DC) Switching Power Supply the alternating current 220V of civil power is converted into the direct current of constant voltage or constant current, supplies power to led light source.And Switching Power Supply is carrying out when alternating current-direct current switches electrochemical capacitor being arranged, and the life-span of electrochemical capacitor has had a strong impact on the working life of whole lamp.
Summary of the invention
The purpose of the utility model just is to overcome the deficiency of prior art; A kind of high-powered LED lamp isolated high-voltage direct current centralized control electric supply installation is provided; The AC-DC that concentrates through ground changes; High voltage direct current is transported in the street lamp lampshade, and the no electrolytic capacitor step-down BUCK module in the lampshade can guarantee long-time no-failure operation under hot conditions, guarantees that the power supply of street lamp can be worked under adverse circumstances for a long time.And unified ground distribution box be more convenient for daily maintenance and maintenance, when not allowing the outage maintenance, can adopt redundant technique, fault element is in time changed.
The utility model adopts following technical solution: a kind of high-powered LED lamp isolated high-voltage direct current centralized control electric supply installation; Be provided with the LED light-emitting diode; It is characterized in that: the LED light-emitting diode connects the output of DC-DC constant flow module; The dc output end of the input termination bridge rectifier of DC-DC constant flow module, the output of the input termination transformer of bridge rectifier.
The beneficial effect of the utility model is; The AC-DC that concentrates through ground changes; High voltage direct current is transported in the street lamp lampshade; No electrolytic capacitor step-down BUCK module in the lampshade can guarantee long-time no-failure operation under hot conditions, guarantee that the power supply of street lamp can be worked under adverse circumstances for a long time.And unified ground distribution box be more convenient for daily maintenance and maintenance, when not allowing the outage maintenance, can adopt redundant technique, fault element is in time changed.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the circuit theory diagrams of the utility model.
1.LED light-emitting diode among the figure, 2.DC-DC constant flow module, 3. bridge rectifier, 4. transformer.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further, to help the content of understanding the utility model.
As shown in Figure 1; The utility model is provided with LED light-emitting diode 1; LED light-emitting diode 1 connects the output of DC-DC constant flow module 2; The dc output end of the input termination bridge rectifier 3 of DC-DC constant flow module 2, the output of the input termination transformer 4 of bridge rectifier 3, the input termination civil power of transformer 4.LED light-emitting diode 1, DC-DC constant flow module 2 were installed in the street lamp shade when the utility model used, and bridge rectifier 3 and transformer 4 are positioned at the ground distribution box.Transformer 4 adopts isolating transformer; Civil power is after transformer 4 pressure regulation, and bridge rectifier 3 is a high voltage direct current with the ac process of input, delivers in the road lamp through power transmission sequence; Be equipped with a DC-DC constant flow module 2 in each light fixture; Export several groups of power supplys by the demand of actual light source and give light source power supply, according to the actual requirements, can be equipped with the part constant flow module.Strict in the workplace, when not allowing to cut off the power supply, can polygamy in the distribution box of ground be equipped with a cover rectification circuit, when wherein fault appears in a cover, can not influence the work of whole road lamp system yet.Each DC-DC constant flow module provides a control line, can control the switch, light modulation of lamp etc. according to the actual requirements, and the centralized control electric power system can be contained in the distribution box of ground, reaches the purpose of centralized control power supply.
Claims (1)
1. high-powered LED lamp isolated high-voltage direct current centralized control electric supply installation; Be provided with the LED light-emitting diode; It is characterized in that: the LED light-emitting diode connects the output of DC-DC constant flow module; The dc output end of the input termination bridge rectifier of DC-DC constant flow module, the output of the input termination transformer of bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203372949U CN202261945U (en) | 2011-09-09 | 2011-09-09 | Insulation high-voltage direct-current centralized control power supply device for large power LED (Light Emitting Diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203372949U CN202261945U (en) | 2011-09-09 | 2011-09-09 | Insulation high-voltage direct-current centralized control power supply device for large power LED (Light Emitting Diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202261945U true CN202261945U (en) | 2012-05-30 |
Family
ID=46123118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203372949U Expired - Fee Related CN202261945U (en) | 2011-09-09 | 2011-09-09 | Insulation high-voltage direct-current centralized control power supply device for large power LED (Light Emitting Diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202261945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889089A (en) * | 2012-12-19 | 2014-06-25 | 深圳市海洋王照明工程有限公司 | Driving circuit and lamp |
-
2011
- 2011-09-09 CN CN2011203372949U patent/CN202261945U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889089A (en) * | 2012-12-19 | 2014-06-25 | 深圳市海洋王照明工程有限公司 | Driving circuit and lamp |
| CN103889089B (en) * | 2012-12-19 | 2016-05-04 | 深圳市海洋王照明工程有限公司 | A kind of drive circuit and light fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140909 |
|
| EXPY | Termination of patent right or utility model |