CN202602363U - Power supply apparatus combining solar energy and CT - Google Patents
Power supply apparatus combining solar energy and CT Download PDFInfo
- Publication number
- CN202602363U CN202602363U CN2012202170183U CN201220217018U CN202602363U CN 202602363 U CN202602363 U CN 202602363U CN 2012202170183 U CN2012202170183 U CN 2012202170183U CN 201220217018 U CN201220217018 U CN 201220217018U CN 202602363 U CN202602363 U CN 202602363U
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- China
- Prior art keywords
- solar energy
- switch
- unit
- power
- switching tube
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a power supply apparatus combining solar energy and CT. The power supply apparatus comprises a CT electricity acquisition unit used for converting current output by a CT into a first direct current voltage, a solar cell panel used for converting solar radiation energy into electric energy, a solar energy conversion unit used for converting the electric energy into a second direct current voltage, an electric acquisition switching unit used for switching the first direct current voltage and the second direct current voltage, and a cell management unit used for supplying power to a load and managing the cell. The CT electricity acquisition unit, the electricity acquisition switching unit and the battery management unit are sequentially connected. The solar cell panel is connected with the electricity acquisition switching unit through the solar energy conversion unit. According to the technical scheme, the reliability of power supply is improved; and since an open CT electricity acquisition method mode is adopted, electrical installation can be conducted, the installation mode is convenient, and space is saved. In addition, since solar energy is adopted as the main power supply, the utilization rate of green energy is improved.
Description
Technical field
The utility model relates to the power supply field, relates in particular to the electric supply installation that a kind of solar energy combines with CT.
Background technology
In the power distribution automation network, the power supply way to take power of power distribution automation equipment adopts alternating current 220V or PT ((Potential Transformer, voltage transformer) power taking basically.But existing P T electricity getting device volume is big, thereby has taken the most of space in the ring main unit, and there is unreliable factor in the PT power taking, causes PT to burn easily.
Since the unreliability of PT, the more and more power supplies that are taken as of CT (Current Transformer, current transformer) power taking.In the green power supply using energy source; Solar energy has become a kind of new forms of energy of ten minutes potentialization, if solar energy and CT power supply are integrated in the electric power system of this distribution automation equipment, can be electric multiple guarantee is provided; Improved the reliability of power devices; Adopt solar poweredly when sunny, adopt the CT power supply when sunlight is not enough, employing load powered battery when illumination is all not enough with CT.Therefore, press for the electric supply installation that a kind of solar energy combines with CT.
The utility model content
The technical problem that the utility model will solve is, to the insecure defective of prior art PT power taking, and the electric supply installation that provides a kind of solar energy that improves the reliability of power supply to combine with CT.
The utility model solves the technical scheme that its technical problem adopted: the electric supply installation that provides a kind of solar energy to combine with CT; It comprises the current conversion that is used for that CT is exported be first direct voltage CT power taking unit, be used for solar radiation can be converted into electric energy solar panel, be used for said electric energy be converted into second direct voltage the conversion of solar energy unit, be used to switch said first direct voltage and said second direct voltage the power taking switch unit, be used to electric and the management battery battery management unit; Wherein, Said CT power taking unit, said power taking switch unit are connected with said battery management unit successively, and said solar panel is connected with said power taking switch unit through said conversion of solar energy unit.
In the described solar energy of the utility model and electric supply installation that CT combines, the charged cable that is installed on of said CT.
In the described solar energy of the utility model and electric supply installation that CT combines, said CT is that punching is opened instrument transformer.
In the described solar energy of the utility model and electric supply installation that CT combines, said CT power taking unit comprises overcurrent protector, AC/DC transducer and the DC/DC transducer that connects successively.
In the described solar energy of the utility model and electric supply installation that CT combines, said power taking switch unit comprises main power source, switching tube M1, relay SW1, K switch 1, diode D4, resistance R 1, resistance R 2, resistance R 3, resistance R 4, optical coupled switch U1, stand-by power supply, switching tube M2, relay SW2, K switch 2, diode D2; Wherein, The grid of said switching tube M1 is respectively through the said resistance R 1 said main power source of connection with through said resistance R 2 ground connection; The source ground of said switching tube M1; First pin that said main power source also connects said K switch 1 output supply power voltage respectively and is connected to optical coupled switch U1 through said relay SW1; Said diode D4 is parallelly connected with said relay SW1; The drain electrode of said switching tube M1 is connected to second pin of said optical coupled switch U1, and the three-prong of said optical coupled switch U1 connects said stand-by power supply, connects the grid of said switching tube M2 and through resistance R 4 ground connection through resistance R 3 respectively, the drain electrode that said stand-by power supply also connects K switch 2 output supply power voltages respectively and is connected to said switching tube M2 through relay SW2; Said diode D2 is parallelly connected with said relay SW2, the source ground of said switching tube M2.
In the described solar energy of the utility model and electric supply installation that CT combines, said main power source is solar powered.
In the described solar energy of the utility model and electric supply installation that CT combines, said stand-by power supply is the CT power supply.
Implement the technical scheme of the utility model, have following beneficial effect: replace original PT power supply through the electric supply installation that adopts solar energy to combine, improved the reliability of power supply with CT; And adopt open type CT way to take power, can chargedly install, this mounting means is convenient and saved the space; In addition, adopt solar energy to improve the utilance of green energy resource as main power source.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of the electric supply installation that combines with CT of the utility model solar energy;
Fig. 2 is the circuit diagram of the utility model power taking switch unit.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1; Fig. 1 is the structural representation of the electric supply installation that combines with CT of the utility model solar energy; As shown in Figure 1, this device comprises CT power taking unit 1, power taking switch unit 2, solar panel 3, conversion of solar energy unit 4 and battery management unit 5, wherein; Said CT power taking unit 1, said power taking switch unit 2 and said battery management unit 5 are connected successively, and said solar panel 3 is connected with said power taking switch unit 2 through said conversion of solar energy unit 4.
The effect of brief description various piece:
CT power taking unit 1, the current conversion that is used for that CT is exported are the CT power taking unit of first direct voltage.What need to explain is, 1 inside, CT power taking unit comprises overcurrent protector, AC/DC transducer and the DC/DC transducer that connects successively, and those skilled in the art should understand, and repeats no more at this.In the present embodiment, this CT adopts punching to open instrument transformer, can be with an installation, can directly be enclosed within on the cable during installation.
Conversion of solar energy unit 4 is used to utilize photoelectric effect that said electric energy is converted into second direct voltage.Power taking switch unit 2 is used to switch said first direct voltage and said second direct voltage.
Battery management unit 5 is used to electric and management battery.Need to prove that battery management unit 5 parts are accomplished the power supply of load, accomplish the management to battery on the other hand; When power taking switch unit 2 had electricity, battery management unit 5 parts were electric, and a part is to battery charge; And have the over-charge protective function, when power taking switch unit 2 does not have electricity, will switch to powered battery; And had the defencive function of putting, thereby prolonged the life-span of battery.
It should be noted that above-mentioned CT power taking unit 1, power taking switch unit 2, solar panel 3, conversion of solar energy unit 4 and battery management unit 5 are the independent device structure, repeat no more at this.
See also Fig. 2; Fig. 2 is the circuit diagram of the utility model power taking switch unit; As shown in Figure 2, said power taking switch unit comprises main power source, switching tube M1, relay SW1, K switch 1, diode D4, resistance R 1, resistance R 2, resistance R 3, resistance R 4, optical coupled switch U1, stand-by power supply, switching tube M2, relay SW2, K switch 2, diode D2; Wherein, The grid of said switching tube M1 is respectively through the said resistance R 1 said main power source of connection with through said resistance R 2 ground connection; The source ground of said switching tube M1; First pin that said main power source also connects said K switch 1 output supply power voltage respectively and is connected to optical coupled switch U1 through said relay SW1; Said diode D4 is parallelly connected with said relay SW1; The drain electrode of said switching tube M1 is connected to second pin of said optical coupled switch U1, and the three-prong of said optical coupled switch U1 connects said stand-by power supply, connects the grid of said switching tube M2 and through resistance R 4 ground connection through resistance R 3 respectively, the drain electrode that said stand-by power supply also connects K switch 2 output supply power voltages respectively and is connected to said switching tube M2 through relay SW2; Said diode D2 is parallelly connected with said relay SW2, the source ground of said switching tube M2.
In the present embodiment, said main power source is solar powered; Said stand-by power supply is the CT power supply.
Sketch the operation principle of the utility model in conjunction with Fig. 1 and Fig. 2: when main power source has voltage; Switching tube M1 conducting, after the relay SW1 energising, K switch 1 is in closure state; Switching tube M2 turn-offs simultaneously; Relay SW2 does not have electricity, and K switch 2 is in off status, and the supply power voltage VO of output is supplied power by main power source; When main power voltage was lower than preset value, switching tube M1 turn-offed, after the relay SW1 dead electricity; K switch 1 is in off status, switching tube M2 conducting when stand-by power supply has electricity simultaneously, relay SW2 energising; K switch 2 is in closure state, and the supply power voltage VO of output is supplied power by stand-by power supply.That is to say, when the solar panel electric energy is sufficient, adopt solar poweredly, turn-off the CT power supply; When the electric weight of solar panel is not enough, open the CT power taking.
Compared to prior art, replace original PT power supply through the electric supply installation that adopts solar energy to combine with CT, improved the reliability of power supply; And adopt open type CT way to take power, can chargedly install, this mounting means is convenient and saved the space; In addition, adopt solar energy to improve the utilance of green energy resource as main power source.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the utility model.
Claims (7)
1. electric supply installation that solar energy combines with CT; It is characterized in that; It comprises the current conversion that is used for that CT is exported be first direct voltage CT power taking unit, be used for solar radiation can be converted into electric energy solar panel, be used for said electric energy be converted into second direct voltage the conversion of solar energy unit, be used to switch said first direct voltage and said second direct voltage the power taking switch unit, be used to electric and the management battery battery management unit
Wherein, said CT power taking unit, said power taking switch unit are connected with said battery management unit successively, and said solar panel is connected with said power taking switch unit through said conversion of solar energy unit.
2. the electric supply installation that solar energy according to claim 1 combines with CT is characterized in that, the charged cable that is installed on of said CT.
3. the electric supply installation that solar energy according to claim 2 combines with CT is characterized in that, said CT is that punching is opened instrument transformer.
4. the electric supply installation that solar energy according to claim 1 combines with CT is characterized in that, said CT power taking unit comprises overcurrent protector, AC/DC transducer and the DC/DC transducer that connects successively.
5. the electric supply installation that solar energy according to claim 1 combines with CT; It is characterized in that said power taking switch unit comprises main power source, switching tube M1, relay SW1, K switch 1, diode D4, resistance R 1, resistance R 2, resistance R 3, resistance R 4, optical coupled switch U1, stand-by power supply, switching tube M2, relay SW2, K switch 2, diode D2; Wherein, The grid of said switching tube M1 is respectively through the said resistance R 1 said main power source of connection with through said resistance R 2 ground connection; The source ground of said switching tube M1; First pin that said main power source also connects said K switch 1 output supply power voltage respectively and is connected to optical coupled switch U1 through said relay SW1; Said diode D4 is parallelly connected with said relay SW1; The drain electrode of said switching tube M1 is connected to second pin of said optical coupled switch U1, and the three-prong of said optical coupled switch U1 connects said stand-by power supply, connects the grid of said switching tube M2 and through resistance R 4 ground connection through resistance R 3 respectively, the drain electrode that said stand-by power supply also connects K switch 2 output supply power voltages respectively and is connected to said switching tube M2 through relay SW2; Said diode D2 is parallelly connected with said relay SW2, the source ground of said switching tube M2.
6. the electric supply installation that solar energy according to claim 5 combines with CT is characterized in that, said main power source is solar powered.
7. the electric supply installation that solar energy according to claim 6 combines with CT is characterized in that, said stand-by power supply is the CT power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202170183U CN202602363U (en) | 2012-05-15 | 2012-05-15 | Power supply apparatus combining solar energy and CT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202170183U CN202602363U (en) | 2012-05-15 | 2012-05-15 | Power supply apparatus combining solar energy and CT |
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| Publication Number | Publication Date |
|---|---|
| CN202602363U true CN202602363U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202170183U Expired - Fee Related CN202602363U (en) | 2012-05-15 | 2012-05-15 | Power supply apparatus combining solar energy and CT |
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| Country | Link |
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| CN (1) | CN202602363U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904772A (en) * | 2014-03-07 | 2014-07-02 | 广东工业大学 | Hybrid power supply device oriented to power grid wireless sensor network node |
| CN104393668A (en) * | 2014-11-29 | 2015-03-04 | 国家电网公司 | Distribution line online monitoring communication terminal supporting utilizing power from high-voltage line |
| CN109217254A (en) * | 2018-10-25 | 2019-01-15 | 柳州辰天科技有限责任公司 | The method of electric current charging type Redundant Control goat phase failure protector and Redundant Control |
| CN109347550A (en) * | 2018-09-29 | 2019-02-15 | 国家电网有限公司 | Based on optical channel intelligent switching system |
| CN114530926A (en) * | 2021-11-12 | 2022-05-24 | 国网浙江省电力有限公司平湖市供电公司 | Power supply equipment and method capable of automatically switching power supply mode |
-
2012
- 2012-05-15 CN CN2012202170183U patent/CN202602363U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904772A (en) * | 2014-03-07 | 2014-07-02 | 广东工业大学 | Hybrid power supply device oriented to power grid wireless sensor network node |
| CN104393668A (en) * | 2014-11-29 | 2015-03-04 | 国家电网公司 | Distribution line online monitoring communication terminal supporting utilizing power from high-voltage line |
| CN109347550A (en) * | 2018-09-29 | 2019-02-15 | 国家电网有限公司 | Based on optical channel intelligent switching system |
| CN109217254A (en) * | 2018-10-25 | 2019-01-15 | 柳州辰天科技有限责任公司 | The method of electric current charging type Redundant Control goat phase failure protector and Redundant Control |
| CN114530926A (en) * | 2021-11-12 | 2022-05-24 | 国网浙江省电力有限公司平湖市供电公司 | Power supply equipment and method capable of automatically switching power supply mode |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20200515 |