CN202019475U - Streetlamp and driving circuit thereof - Google Patents
Streetlamp and driving circuit thereof Download PDFInfo
- Publication number
- CN202019475U CN202019475U CN2010206950861U CN201020695086U CN202019475U CN 202019475 U CN202019475 U CN 202019475U CN 2010206950861 U CN2010206950861 U CN 2010206950861U CN 201020695086 U CN201020695086 U CN 201020695086U CN 202019475 U CN202019475 U CN 202019475U
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- CN
- China
- Prior art keywords
- street lamp
- voltage
- transformation unit
- voltage transformation
- drive circuit
- 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
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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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The utility model provides a streetlamp and a driving circuit thereof. The driving circuit comprises a power supply unit, a voltage transformation unit and a load unit which are connected in sequence, wherein the power supply unit is connected with a three-phase AC and controls the connection and disconnection of AC; the voltage transformation unit carries out voltage transformation on the three-phase voltage; and the load unit drives a load to work after transformation of the voltage transformation unit. The streetlamp and the driving circuit thereof have simple structures and stability in work.
Description
[technical field]
The utility model relates to the lamp lighting technical field, relates in particular to a kind of street lamp drive circuit and street lamp.
[background technology]
The drive circuit of existing street lamp is complicated, and job stability is relatively poor.
[utility model content]
The technical problems to be solved in the utility model is, at the defective of the street lamp of prior art, provides a kind of street lamp drive circuit and street lamp of simple in structure, working stability.
In order to solve the problems of the technologies described above, the utility model provides a kind of street lamp drive circuit, comprise the power subsystem, voltage transformation unit and the load unit that connect successively, wherein, described power subsystem inserts three-phase alternating current and controls the break-make of its electric current, described voltage transformation unit is carried out voltage to described three-phase voltage and is transformed, the driven loaded work piece after described load unit transforms by voltage transformation unit.
Further, in above-mentioned drive circuit, described power subsystem comprises a threephase switch, and described threephase switch one termination is gone into three-phase alternating current, and the other end is connected with described voltage transformation unit.
Further, in above-mentioned drive circuit, described voltage transformation unit comprises the voltage conversion circuit of three parallel connections, and an end of the voltage conversion circuit of described three parallel connections is connected to described three-phase alternating current, and the other end is connected in described load unit.
Further, in above-mentioned drive circuit, each described voltage conversion circuit comprises a plurality of inductance coils of series connection successively.
Further, in above-mentioned drive circuit, described load unit comprises a control switch and a plurality of shunt loads that are attached thereto.
The utility model also provides a kind of street lamp that comprises above-mentioned drive circuit.
The utility model street lamp drive circuit and lamp post structure are simple, working stability.
[description of drawings]
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model street lamp drive circuit.
[embodiment]
See also Fig. 1, Fig. 1 is the structural representation of the utility model street lamp drive circuit preferred embodiment.For convenience of explanation, only show the part relevant with the utility model embodiment.
The street lamp drive circuit of present embodiment comprises power subsystem 102, voltage transformation unit 104 and the load unit 106 that connects successively.Wherein, power subsystem 102 inserts three-phase alternating current and controls the break-make of its electric current, and 104 pairs of described three-phase voltages of voltage transformation unit carry out voltage and transform, the driven loaded work piece after load unit 106 transforms by voltage transformation unit 104.
Further, power subsystem 102 comprises a threephase switch (figure is mark not), and described threephase switch one termination is gone into three-phase alternating current, and the other end is connected with voltage transformation unit 104.
Further, voltage transformation unit 104 comprises the voltage conversion circuit of three parallel connections, and an end of the voltage conversion circuit of described three parallel connections is connected to described three-phase alternating current, and the other end is connected in load unit 106.Each described voltage conversion circuit comprises a plurality of inductance coils of series connection successively.
Further, load unit 106 comprises a control switch and a plurality of shunt loads that are attached thereto.
The utility model also provides a kind of street lamp that comprises above-mentioned street lamp drive circuit.
The utility model street lamp drive circuit and lamp post structure are simple, working stability.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (2)
1. street lamp drive circuit, it is characterized in that, comprise the power subsystem, voltage transformation unit and the load unit that connect successively, wherein, described power subsystem inserts three-phase alternating current and controls the break-make of its electric current, described voltage transformation unit is carried out voltage to described three-phase voltage and is transformed, the driven loaded work piece after described load unit transforms by voltage transformation unit.
2. street lamp drive circuit according to claim 1 is characterized in that: described power subsystem comprises a threephase switch, and described threephase switch one termination is gone into three-phase alternating current, and the other end is connected with described voltage transformation unit.
3, street lamp drive circuit according to claim 1, it is characterized in that: described voltage transformation unit comprises the voltage conversion circuit of three parallel connections, one end of the voltage conversion circuit of described three parallel connections is connected to described three-phase alternating current, and the other end is connected in described load unit.
4, street lamp drive circuit according to claim 3 is characterized in that: each described voltage conversion circuit comprises a plurality of inductance coils of series connection successively.
5, street lamp drive circuit according to claim 1 is characterized in that: described load unit comprises a control switch and a plurality of shunt loads that are attached thereto.
6, a kind of street lamp, it comprises a street lamp drive circuit, it is characterized in that: described street lamp drive circuit comprises power subsystem, voltage transformation unit and the load unit that connects successively, wherein, described power subsystem inserts three-phase alternating current and controls the break-make of its electric current, described voltage transformation unit is carried out voltage to described three-phase voltage and is transformed, the driven loaded work piece after described load unit transforms by voltage transformation unit.
7, a kind of street lamp according to claim 6, it is characterized in that: described power subsystem comprises a threephase switch, and described threephase switch one termination is gone into three-phase alternating current, and the other end is connected with described voltage transformation unit.
8, a kind of street lamp according to claim 6, it is characterized in that: described voltage transformation unit comprises the voltage conversion circuit of three parallel connections, one end of the voltage conversion circuit of described three parallel connections is connected to described three-phase alternating current, and the other end is connected in described load unit.
9, a kind of street lamp according to claim 8 is characterized in that: each described voltage conversion circuit comprises a plurality of inductance coils of series connection successively.
10, a kind of street lamp according to claim 6 is characterized in that: described load unit comprises a control switch and a plurality of shunt loads that are attached thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206950861U CN202019475U (en) | 2010-12-31 | 2010-12-31 | Streetlamp and driving circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206950861U CN202019475U (en) | 2010-12-31 | 2010-12-31 | Streetlamp and driving circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202019475U true CN202019475U (en) | 2011-10-26 |
Family
ID=44813140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206950861U Expired - Fee Related CN202019475U (en) | 2010-12-31 | 2010-12-31 | Streetlamp and driving circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202019475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123549A (en) * | 2010-12-31 | 2011-07-13 | 东莞市创业电气设备有限公司 | Streetlamp driving circuit and streetlamp |
-
2010
- 2010-12-31 CN CN2010206950861U patent/CN202019475U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123549A (en) * | 2010-12-31 | 2011-07-13 | 东莞市创业电气设备有限公司 | Streetlamp driving circuit and streetlamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20131231 |