CN204794949U - High -tension electricity minor direct current breaker's light -operated switching circuit - Google Patents
High -tension electricity minor direct current breaker's light -operated switching circuit Download PDFInfo
- Publication number
- CN204794949U CN204794949U CN201520518519.9U CN201520518519U CN204794949U CN 204794949 U CN204794949 U CN 204794949U CN 201520518519 U CN201520518519 U CN 201520518519U CN 204794949 U CN204794949 U CN 204794949U
- Authority
- CN
- China
- Prior art keywords
- circuit
- control
- coupling transformer
- light
- power supply
- 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.)
- Active
Links
Abstract
The utility model discloses a high -tension electricity minor direct current breaker's light -operated switching circuit, contain power supply circuit, divide the multistage cascaded coupling transformer to both sides, the control source, a control circuit arranged in the inner cavity of th, photosensitive diode, IGBT, LED lamp and control switch, the power supply circuit output is connected with dividing the coupling transformer who is located the intermediate position to the multistage cascaded coupling transformer of both sides, every coupling transformer is connected with a control source, control circuit and control source, photosensitive diode and IGBT connect, LED lamp and control switch are connected and put out and LED lamp and photosensitive diode one -to -one by control switch control is bright. The utility model discloses simple structure, the flexible operation, a device just can be suitable for the circuit that the difference required the parameter, and is more convenient in the use.
Description
Technical field
The utility model relates to a kind of light-operated opening and closing circuit of light-operated opening and closing circuit, particularly a kind of high-voltage electronic direct-current circuit breaker.
Background technology
High-voltage electronic direct-current circuit breaker is made up of a few parts such as high-voltage direct current isolation switch, auxiliary electrical minor switch and main electronic switchs.Wherein auxiliary electrical minor switch and main electronic switch have multistage IGBT to be in series.For the direct current system of more than 200kV, the insulation against ground voltage request of electronic switch is very high, and high-voltage electronic direct-current circuit breaker in normal operating conditions, two ends are straight-through, both end voltage is zero, and the electric current flow through in major loop is direct current, the energy cannot be obtained by induction type instrument transformer, therefore electronic switch get can send can be high-voltage electronic direct-current circuit breaker can through engineering approaches application key.Although adopt high force feed energy transformer can realize sending of high potential electronic switch in theory can get energy problem, in fact, can for transformer for high-tension sending, one, require that its insulation against ground voltage is very high, for the direct current system of direct current 200kV, its insulation against ground withstand voltage just reaches more than 400kV; They are two years old, the driving-energy needed due to IGBT in high potential electronic switch is also little, this just determines and send and can be low capacity and high voltage bearing characteristic by transformer, but can for transformer for high voltage bearing the sending of this low capacity, its manufacture difficulty is very large, and cost is high, at present, producer is not had to be ready to produce the not high and very large high force feed energy transformer of manufacture difficulty of this value.
China Patent Publication No. CN103647537A discloses one and gets energy energy feeding device and high-voltage electronic direct-current circuit breaker, solves DC electronic equipment and gets the problem sending energy difficulty.But its functional structure is single, the circuit required for difference needs the coupling transformer of Operational preparation varying number cascade to deal with, and uses more inconvenient like this and is unfavorable for production marketing.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of light-operated opening and closing circuit of high-voltage electronic direct-current circuit breaker, and it can connect cascade coupled number transformer by unrestricted choice, flexible and convenient to use.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of light-operated opening and closing circuit of high-voltage electronic direct-current circuit breaker, it is characterized in that: comprise power circuit, divide the coupling transformer to the multi-stage cascade of both sides, control power supply, control circuit, photodiode, IGBT, LED and control switch, power circuit output end is connected with the coupling transformer being positioned at centre position divided to the coupling transformer of the multi-stage cascade of both sides, each coupling transformer controls power supply be connected with one, control circuit and control power supply, photodiode is connected with IGBT, LED is connected with control switch and controls bright putting out and LED and photodiode one_to_one corresponding by control switch.
Further, described power circuit comprises lamp source, is positioned at the solar panel of high potential and AC/DC device, and described lamp source front illuminated solar panel, AC/DC input is connected with solar panel the two poles of the earth.
Further, the described point of coupling transformer to the multi-stage cascade of both sides is 7.
The utility model compared with prior art, have the following advantages and effect: the light-operated opening and closing circuit structure of high-temperature electric minor DC circuit breaker is simple, with low cost, the break-make indirectly controlling photodiode is put out by control switch manipulation the bright of LED, thus the use being controlled the coupling transformer of current shunt by control circuit whether, such flexible operation, a device just can be suitable for the circuit that difference requires parameter, uses convenient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the light-operated opening and closing circuit of high-voltage electronic direct-current circuit breaker of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
The light-operated opening and closing circuit of high-voltage electronic direct-current circuit breaker of the present utility model comprises power circuit, divide the coupling transformer to the multi-stage cascade of both sides, control power supply, control circuit, photodiode, IGBT, LED and control switch, power circuit output end is connected with the coupling transformer being positioned at centre position divided to the coupling transformer of the multi-stage cascade of both sides, each coupling transformer controls power supply be connected with one, control circuit and control power supply, photodiode is connected with IGBT, LED is connected with control switch and controls bright putting out and LED and photodiode one_to_one corresponding by control switch.Power circuit comprises lamp source, is positioned at the solar panel of high potential and AC/DC device, and lamp source front illuminated solar panel, AC/DC input is connected with solar panel the two poles of the earth.
Embodiment: the light-operated opening and closing circuit of high-voltage electronic direct-current circuit breaker comprises power circuit, divide the coupling transformer to the multi-stage cascade of both sides, control power supply, control circuit, photodiode, IGBT, LED and control switch, the coupling transformer to the multi-stage cascade of both sides is divided to have 7 altogether, be respectively coupling transformer 1T1, 1T2, 1T3, center coupler, 2T1, 2T2, 2T3, power circuit output end is connected with intermediate coupling transformer, each coupling transformer controls power supply be connected with one, control circuit and control power supply, photodiode is connected with IGBT, LED is connected with control switch and controls bright putting out and LED and photodiode one_to_one corresponding by control switch.Power circuit comprises lamp source, is positioned at the solar panel of high potential and AC/DC device, and lamp source front illuminated solar panel, AC/DC input is connected with solar panel the two poles of the earth.Lamp source can be arranged on the ground, and lamp source and solar panel keep certain safe distance, to realize the high-voltage isolating between electronegative potential and high potential electronic switch.And take measures to ensure that earthy light source shines directly on solar panel, to improve the conversion efficiency of light source.
Above content described in this specification is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of specification of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (3)
1. the light-operated opening and closing circuit of a high-voltage electronic direct-current circuit breaker, it is characterized in that: comprise power circuit, divide the coupling transformer to the multi-stage cascade of both sides, control power supply, control circuit, photodiode, IGBT, LED and control switch, power circuit output end is connected with the coupling transformer being positioned at centre position divided to the coupling transformer of the multi-stage cascade of both sides, each coupling transformer controls power supply be connected with one, control circuit and control power supply, photodiode is connected with IGBT, LED is connected with control switch and controls bright putting out and LED and photodiode one_to_one corresponding by control switch.
2. according to the light-operated opening and closing circuit of high-voltage electronic direct-current circuit breaker according to claim 1, it is characterized in that: described power circuit comprises lamp source, is positioned at the solar panel of high potential and AC/DC device, described lamp source front illuminated solar panel, AC/DC input is connected with solar panel the two poles of the earth.
3. according to the light-operated opening and closing circuit of high-voltage electronic direct-current circuit breaker according to claim 1, it is characterized in that: the described point of coupling transformer to the multi-stage cascade of both sides is 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520518519.9U CN204794949U (en) | 2015-07-17 | 2015-07-17 | High -tension electricity minor direct current breaker's light -operated switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520518519.9U CN204794949U (en) | 2015-07-17 | 2015-07-17 | High -tension electricity minor direct current breaker's light -operated switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204794949U true CN204794949U (en) | 2015-11-18 |
Family
ID=54534919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520518519.9U Active CN204794949U (en) | 2015-07-17 | 2015-07-17 | High -tension electricity minor direct current breaker's light -operated switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204794949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560527A (en) * | 2018-12-10 | 2019-04-02 | 国网江苏省电力有限公司经济技术研究院 | A kind of hybrid online electricity-fetching method of dc circuit breaker driving circuit |
| WO2024051218A1 (en) * | 2022-09-08 | 2024-03-14 | 超聚变数字技术有限公司 | Power supply module and related device |
-
2015
- 2015-07-17 CN CN201520518519.9U patent/CN204794949U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560527A (en) * | 2018-12-10 | 2019-04-02 | 国网江苏省电力有限公司经济技术研究院 | A kind of hybrid online electricity-fetching method of dc circuit breaker driving circuit |
| WO2024051218A1 (en) * | 2022-09-08 | 2024-03-14 | 超聚变数字技术有限公司 | Power supply module and related device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106602504A (en) | Photovoltaic rapid turn-off device and photovoltaic system | |
| CN103647537A (en) | Energy taking and transmitting device and high-voltage electronic direct-current circuit breaker | |
| WO2018167286A3 (en) | Device for supplying energy to an electric operating grid and to additional consumers from a battery-assisted substation | |
| CN204794949U (en) | High -tension electricity minor direct current breaker's light -operated switching circuit | |
| CN109450368A (en) | The photovoltaic module of low cost and high reliability rapidly switches off protective device | |
| CN203242938U (en) | Distribution box | |
| CN203312826U (en) | Photovoltaic intelligent whole grid power generation system | |
| CN202673731U (en) | Frequency conversion energy-saving control system of dust removal draught fan | |
| CN204103816U (en) | Motor load change automatic control electricity-saving device | |
| CN203691365U (en) | Self-powered circuit of power semiconductor switch driving circuit | |
| CN204244170U (en) | Photovoltaic combiner box and the anti-circnit NOT of photovoltaic conflux | |
| CN204651939U (en) | The quick shutdown unit of a kind of inverter | |
| CN104659897A (en) | Photovoltaic grid-connected power supply system used for sport clubhouse | |
| CN208028654U (en) | Based on green intelligent garden illumination management system | |
| CN203661372U (en) | Solar street lamp double-power source automatic switching circuit | |
| CN204103500U (en) | Public domain energy-saving electricity and terminal intelligent control system | |
| CN103580066A (en) | Seamless switching control system of distributed power generation system | |
| CN205336606U (en) | Reduce current spike 's LED light source illuminate circuit | |
| CN206149211U (en) | Intelligence exchanges collection flow box with measure protect function | |
| CN104993787A (en) | Photovoltaic optimizer for arbitrary waveform output | |
| CN204258326U (en) | A kind of photovoltaic generating system | |
| CN204947884U (en) | A kind of high voltage converter bypass switch cabinet | |
| CN204886723U (en) | Electric control circuit is got to single fire | |
| CN203104082U (en) | UPS (uninterrupted power supply) device for electrical switch-on circuit of high-voltage relay switch | |
| CN204168175U (en) | A kind of photovoltaic DC-to-AC converter realizing direct current flexible configuration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |