CN201904732U - Optoelectronic isolation type voltage conversion circuit - Google Patents
Optoelectronic isolation type voltage conversion circuit Download PDFInfo
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- CN201904732U CN201904732U CN 201020663787 CN201020663787U CN201904732U CN 201904732 U CN201904732 U CN 201904732U CN 201020663787 CN201020663787 CN 201020663787 CN 201020663787 U CN201020663787 U CN 201020663787U CN 201904732 U CN201904732 U CN 201904732U
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Abstract
The utility model relates to a direct current power supply, in particular to an optoelectronic isolation type voltage conversion circuit for converting 220V alternating current into direct current without a transformer. A light emitting device and a silicon solar cell are arranged in a casing, the output of the silicon solar cell is electrically connected with direct current/direct current (DC/DC) input, the DC/DC output is electrically connected with an electrode of the output end of the casing, the light emitting device is a gas discharge tube, and the light emitting device is a light emitting diode (LED) array. The utility model provides the optoelectronic isolation type voltage conversion circuit for converting 220V alternating current into direct current without the transformer.
Description
Technical field
The utility model relates to a kind of DC power supply, particularly a kind ofly converts the 220V alternating current to galvanic a kind of photoelectricity isolated form voltage conversion circuit without transformer.
Background technology
In electronic equipment, the required power supply of electronic device is many to be to convert to galvanicly by the 220V alternating current, and this transfer process has by transformer finishes the conversion of high pressure to low pressure, converts into low-voltage alternating-current to stream again.The switching power circuit of employing pattern is also arranged, and is that its volume of which kind of form all is must be bigger.It all needs transformer, and the transformer of Switching Power Supply is smaller.
The utility model content
The purpose of this utility model provides a kind of transformer that do not need and converts the 220V alternating current to galvanic kind of photoelectricity isolated form voltage conversion circuit.
The purpose of this utility model is achieved in that a kind of photoelectricity isolated form voltage conversion circuit, it is characterized in that: luminescent device and silicon photocell are arranged in housing, and silicon photocell output is electrically connected with the DC/DC input, and DC/DC output is electrically connected with the housing output terminal electrode.
Described luminescent device is a gas discharge tube.
Described luminescent device is a led array.
Described led array is through the rectification circuit rectification with alternating current 220V, the load circuit of rectification circuit is serially connected with current-limiting resistance R0 and light emitting diode string, the silicon photocell group is arranged on the light emission direction of light emitting diode string, the voltage output end of silicon photocell group is electrically connected with the input of DC/DC change-over circuit, and the output of DC/DC change-over circuit is electrically connected with the DC/DC voltage output end of housing; The silicon photocell component becomes many groups, is divided into many group silicon photocell groups and is electrically connected with the input of a plurality of DC/DC change-over circuits respectively; The output of a plurality of DC/DC change-over circuits is electrically connected with a plurality of DC/DC voltage output ends of housing.
The light emitting diode string number of rectification circuit load circuit serial connection is according to the output current and the voltage parameter decision of DC/DC change-over circuit.
The rectifier diode of rectification circuit is a light-emitting diode.
Rectification circuit is bridge rectifier or semibridge system rectification circuit.
The utility model has the advantages that: owing to constitute the AC/DC change-over circuit by photoelectricity coupling circuit, a DC/DC change-over circuit, the diode of the rectification circuit of the input of photoelectricity coupling circuit is a light-emitting diode, the output circuit of photoelectricity coupling circuit is a silicon photocell, that is to say by the 220V alternating current is changeed the driven for emitting lights diode, by silicon photocell transform light energy is become electric energy, by the DC/DC change-over circuit voltage of silicon photocell is being changed into the direct current of needs at last.Direct current is to isolate fully with the 220V alternating current, therefore has the advantage that body is slight, reliability is high, anti-interference is good.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing:
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the utility model embodiment 1 structural representation;
Fig. 3 is the utility model embodiment 2 structural representations.
Among the figure, 1, bridge rectifier; 2, DC/DC change-over circuit; 3, rectification circuit; 4, silicon photocell group; 5, housing; 6, light emitting diode string; 7, DC/DC voltage output end; 8, load circuit.
Embodiment
Luminescent device and silicon photocell are arranged in housing, and silicon photocell output is electrically connected with the DC/DC input, and DC/DC output is electrically connected with the housing output terminal electrode.Luminescent device is that gas discharge tube or luminescent device are led array.
As shown in Figure 1, rectification circuit 3 and DC/DC change-over circuit 2 are arranged in housing 5, the rectifier diode of rectification circuit 3 is light-emitting diodes, the load circuit 8 of rectification circuit 3 is serially connected with current-limiting resistance R0 and light emitting diode string 6, silicon photocell group 4 is arranged on the light emission direction of light emitting diode string 6, the voltage output end of silicon photocell group 4 is electrically connected with the input of DC/DC change-over circuit 2, and the output of DC/DC change-over circuit 2 is electrically connected with the DC/DC voltage output end 7 of housing 5.Rectification circuit 3 is bridge rectifiers 1, and light emitting diode string 6 numbers of load circuit 8 serial connections of bridge rectifier 1 are according to the output current and the voltage parameter decision of DC/DC change-over circuit 2.
As shown in Figure 2, rectification circuit 3 and DC/DC change-over circuit 2 are arranged in housing 5, the load circuit 8 of rectification circuit is serially connected with current-limiting resistance and light emitting diode string 6, silicon photocell group 4 is arranged on the light emission direction of light emitting diode string 6, the voltage output end of silicon photocell group 4 is electrically connected with the input of DC/DC change-over circuit 2, and the output of DC/DC change-over circuit 2 is electrically connected with the DC/DC voltage output end 7 of housing 5.Rectification circuit 3 is bridge rectifiers 1, the number of the light emitting diode string 6 of load circuit 8 serial connections of bridge rectifier 1 is to determine according to DC/DC output current and voltage, embodiment 2 is common rectification two utmost points with the rectifier diode that is not both rectification circuit 3 of embodiment 1, as 1N4001,1N4007 or the like.
As shown in Figure 3, rectification circuit 3 and DC/DC change-over circuit 2 are arranged in housing 5, the load circuit 8 of rectification circuit is serially connected with current-limiting resistance and light emitting diode string 6, silicon photocell group 4 is arranged on the light emission direction of light emitting diode string 6, silicon photocell group 4 is divided into many groups, being divided into many group silicon photocell groups 4 is electrically connected with the input of a plurality of DC/DC change-over circuits 2 respectively, the output of a plurality of DC/DC change-over circuits 2 is electrically connected with a plurality of DC/DC voltage output ends of housing 5, and a plurality of DC/DC voltage output end electricity altogether.Rectification circuit 3 is bridge rectifiers 9, and the light-emitting diode number of load circuit 8 serial connections of bridge rectifier is determined according to DC/DC output current and voltage.
As shown in Figure 3, rectification circuit 3 and DC/DC change-over circuit 2 are arranged in housing 5, the load circuit 8 of rectification circuit is serially connected with current-limiting resistance and light emitting diode string 6, silicon photocell group 4 is arranged on the light emission direction of light emitting diode string 6, silicon photocell group 4 is divided into many groups, being divided into many group silicon photocell groups 4 is electrically connected with the input of a plurality of DC/DC change-over circuits 2 respectively, the output of a plurality of DC/DC change-over circuits 2 is electrically connected with a plurality of DC/DC voltage output ends of housing 5, and a plurality of DC/DC voltage output end electricity are not altogether.Rectification circuit 3 is bridge rectifiers 9, and the light-emitting diode number of load circuit 8 serial connections of bridge rectifier is determined according to DC/DC output current and voltage.
Claims (7)
1. photoelectricity isolated form voltage conversion circuit is characterized in that: luminescent device and silicon photocell are arranged in housing, and silicon photocell output is electrically connected with the DC/DC input, and DC/DC exports and is electrically connected with the housing output terminal electrode.
2. a kind of photoelectricity isolated form voltage conversion circuit according to claim 1, it is characterized in that: described luminescent device is a gas discharge tube.
3. a kind of photoelectricity isolated form voltage conversion circuit according to claim 1, it is characterized in that: described luminescent device is a led array.
4. a kind of photoelectricity isolated form voltage conversion circuit according to claim 3, it is characterized in that: described led array is through the rectification circuit rectification with alternating current 220V, the load circuit of rectification circuit is serially connected with current-limiting resistance R0 and light emitting diode string, the silicon photocell group is arranged on the light emission direction of light emitting diode string, the voltage output end of silicon photocell group is electrically connected with the input of DC/DC change-over circuit, and the output of DC/DC change-over circuit is electrically connected with the DC/DC voltage output end of housing; The silicon photocell component becomes many groups, is divided into many group silicon photocell groups and is electrically connected with the input of a plurality of DC/DC change-over circuits respectively; The output of a plurality of DC/DC change-over circuits is electrically connected with a plurality of DC/DC voltage output ends of housing.
5. a kind of photoelectricity isolated form voltage conversion circuit according to claim 4 is characterized in that: the light emitting diode string number of rectification circuit load circuit serial connection is according to the output current and the voltage parameter decision of DC/DC change-over circuit.
6. a kind of photoelectricity isolated form voltage conversion circuit according to claim 4, it is characterized in that: the rectifier diode of rectification circuit is a light-emitting diode.
7. a kind of photoelectricity isolated form voltage conversion circuit according to claim 4 is characterized in that: rectification circuit is bridge rectifier or semibridge system rectification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020663787 CN201904732U (en) | 2010-12-16 | 2010-12-16 | Optoelectronic isolation type voltage conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020663787 CN201904732U (en) | 2010-12-16 | 2010-12-16 | Optoelectronic isolation type voltage conversion circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904732U true CN201904732U (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020663787 Expired - Fee Related CN201904732U (en) | 2010-12-16 | 2010-12-16 | Optoelectronic isolation type voltage conversion circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001543A (en) * | 2012-10-26 | 2013-03-27 | 秦皇岛博硕光电设备股份有限公司 | Method and system for realizing isolated power supply by light energy |
-
2010
- 2010-12-16 CN CN 201020663787 patent/CN201904732U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001543A (en) * | 2012-10-26 | 2013-03-27 | 秦皇岛博硕光电设备股份有限公司 | Method and system for realizing isolated power supply by light energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LEIYI PHOTOELECTRIC TECHNOLOGY (XI'AN) CO., LTD. Free format text: FORMER OWNER: XI'AN XINWEI INFORMATION SCIENCE AND TECHNOLOGY CO., LTD. Effective date: 20140526 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710075 XI'AN, SHAANXI PROVINCE TO: 710065 XI'AN, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140526 Address after: 710065 No. 209, No. four, hi tech Development Zone, Shaanxi, Xi'an Patentee after: Lei Yi photoelectric technology (Xi'an) Co., Ltd. Address before: 710075 Xi'an province hi tech West Road, Jin Jin Road, No. 69 apartment building Patentee before: Xi'an Xinwei Information Science and Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20151216 |
|
| EXPY | Termination of patent right or utility model |