CN202634061U - High-voltage switch monitoring system power supply for transformer station - Google Patents
High-voltage switch monitoring system power supply for transformer station Download PDFInfo
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- CN202634061U CN202634061U CN2012201683505U CN201220168350U CN202634061U CN 202634061 U CN202634061 U CN 202634061U CN 2012201683505 U CN2012201683505 U CN 2012201683505U CN 201220168350 U CN201220168350 U CN 201220168350U CN 202634061 U CN202634061 U CN 202634061U
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- power supply
- transformer station
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Abstract
The utility model relates to a high-voltage switch monitoring system power supply for a transformer station, being characterized in that an energy-acquiring coil T is sleeved on a power cable for acquiring the energy from the power cable through the electromagnetic induction principle; two output ends are connected with a single-phase bridge type rectification filter circuit; two sub sides of the energy-acquiring coil T is connected with a diode TVS1 in parallel; the output ends are connected with a rectifier bridge ZB; the output of the rectifier bridge ZB is connected with a filter circuit which comprises an L1 and a C1; a TVS2 is connected with the C1 in parallel; a D1 is that a Zener diode is connected with a power triode Q; a DC/DC is a voltage stabilization chip; the front end of the DC/DC is connected with an electrolytic capacitor C2 in parallel, and the output of the electrolytic capacitor C2 is connected with the positive electrode of a D2 which is a Zener diode; the positive electrode of the D2 is connected with one LC filter circuit which comprises an L2 and a C3; the output of the electrolytic capacitor C2 is connected with a diode D3; the output of the D3 is connected with a series loop of an R1 and a super capacitance; the R1 is used for current-limiting for charging; the positive electrode of the super capacitance is connected with a D4 which is a battery energy storage loop; the D4 is connected with a standby battery and a resistor R2 in series; and a circuit Uo1 and a circuit Uo2 are the power output ends. The high-voltage switch monitoring system power supply for a transformer station realizes that when the power supply provides reliable energy supply for an electronic monitoring device, the reliable insulation over the ground can be guaranteed by means of the mode of acquiring electricity through induction; and the high-voltage switch monitoring system power supply for a transformer station has the advantages of simplicity, economical efficiency and reliability, and is suitable for different application occasions in the transformer station.
Description
Technical field
The utility model relates to a kind of transformer station high-voltage switch gear monitoring system power supply, belongs to the power supply of switch yard circuit breaker in a kind of transformer station, isolating switch real time on-line monitoring system.
Background technology
Power supply obtains very inconvenience in the transformer station, for the safety of primary equipment, does not allow to insert its operating power sometimes, and it is far away that the power-supply system that permission inserts is often left pass equipment, needs the ditching underground pipelines to introduce, and construction volume is bigger.In order to satisfy the power demands of monitoring equipment, native system has designed the supply power mode of induction power taking, obtains energy from the power cable induced nearby, keeps original electric power system mode constant, and satisfies the power reguirements of native system.Being employed on the power cable lead that suit gets can coil induction alternating voltage; Output DC source after over commutation, filtering, voltage stabilizing then; Power supply can guarantee reliable insulation over the ground when giving the reliable energy supply of electronic monitoring device, have simple, economic, reliable advantage.
Summary of the invention
The purpose of the utility model provides a kind of transformer station high-voltage switch gear monitoring system power supply; It is through the mode of induction power taking; Power supply is when giving the reliable energy supply of electronic monitoring device; Can guarantee reliable insulation over the ground, have simple, economic, reliable advantage, adapt to different application scenario in the transformer station.
The technical scheme of the utility model is achieved in that transformer station's high-voltage switch gear monitoring system power supply, it is characterized in that: get and can be sleeved on the power cable by coil T, through electromagnetic induction principle; By obtaining energy on the power cable, two outputs are received single-phase bridge rectification, filter circuit, get ability coil T secondary side parallel diode TVS1; Output connects rectifier bridge ZB, and rectifier bridge ZB output connects filter circuit, and filter circuit L1 and electrolytic capacitor C1 constitute filter circuit; Diode TVS2 is connected in parallel on the electrolytic capacitor C1, and D1 is that voltage stabilizing didoe connects pliotron Q, and DC/DC is the voltage stabilizing chip; Voltage stabilizing chip DC/DC front end parallel connection electrolytic capacitor C2, output is connected with voltage stabilizing didoe D2 is anodal, 1 filter circuit LC of the anodal connection of voltage stabilizing didoe D2; Be made up of filter circuit L2 and electrolytic capacitor C3, output connects diode D3, and diode D3 output connects the series loop of resistance R 1 and super capacitor; Resistance R 1 plays the effect of charging current limiter; The positive pole of super capacitor connects the diode D4 in battery energy storage loop, and diode D4 connects with reserve battery, resistance R 2, and circuit U o1 and Uo2 are power output end.
The good effect of the utility model is it through responding to the mode of power taking, and power supply can guarantee reliable insulation over the ground when giving the reliable energy supply of electronic monitoring device, has simple, economic, advantage reliably, adapts to different application scenario in the transformer station.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further: as shown in Figure 1, transformer station's high-voltage switch gear monitoring system power supply is characterized in that: get and can be sleeved on the power cable by coil T, through electromagnetic induction principle; By obtaining energy on the power cable, two outputs are received single-phase bridge rectification, filter circuit, and induction coil T secondary side parallel connection Transient Suppression Diode TVS1 plays the effect that suppresses instant high-voltage; Output connects rectifier bridge ZB, and rectifier bridge output connects filter circuit, and filter circuit L1 and C1 constitute filter circuit; TVS2 is connected in parallel on the electrolytic capacitor C1, suppresses the DC loop instant high-voltage, and D1 is a voltage stabilizing didoe; Connect pliotron Q, when voltage during greater than 10V, voltage stabilizing didoe D1 punctures; Large power triode Q work, the energy entering operating state of releasing, excess energy is released through large power triode; When
U DCWhen low, circuit is not worked, and therefore can not influence operate as normal under power initiation electric current and the little electric current.DC/DC front end parallel connection electrolytic capacitor C2 carries out filtering once more, and DC/DC is the voltage stabilizing chip, and this power supply DC-DC module has been selected AMC34063A, and input voltage range is 3-40V; Output voltage 5V, maximum output current 1.5A, the quiescent current of about 2mA; Have high conversion efficiency, high conversion efficiency helps further reducing starting current, improves output power of power supply; Output is connected with D2 is anodal, and D2 is a voltage stabilizing didoe, plays deboost; 1 LC filter circuit of the anodal connection of voltage stabilizing didoe D2 is made up of filter circuit L2 and electrolytic capacitor C3, and output connects diode D3; The tank circuit that plays the back can not instead send effect a little, and diode D3 output connects the series loop of resistance R 1 and super capacitor, and resistance R 1 plays the effect of charging current limiter; The positive pole of super capacitor connects the diode D4 in battery energy storage loop, and diode D4 connect with reserve battery, resistance R 2, subsequent use output when the lithium battery effect is power supply supply and the induction electric energy deficiency when device powers on for the first time; Super capacitor instantaneously provides electric energy when more high-power as having, and is in the electric charge full state at ordinary times always, and circuit U o1 and Uo2 are power output end.
Claims (1)
1. transformer station's high-voltage switch gear monitoring system power supply is characterized in that: get and can be sleeved on the power cable by coil T, through electromagnetic induction principle; By obtaining energy on the power cable, two outputs are received single-phase bridge rectification, filter circuit, get ability coil T secondary side parallel diode TVS1; Output connects rectifier bridge ZB, and rectifier bridge ZB output connects filter circuit, and filter circuit L1 and electrolytic capacitor C1 constitute filter circuit; Diode TVS2 is connected in parallel on the electrolytic capacitor C1, and D1 is that voltage stabilizing didoe connects pliotron Q, and DC/DC is the voltage stabilizing chip; Voltage stabilizing chip DC/DC front end parallel connection electrolytic capacitor C2, output is connected with voltage stabilizing didoe D2 is anodal, 1 filter circuit LC of the anodal connection of voltage stabilizing didoe D2; Be made up of filter circuit L2 and electrolytic capacitor C3, output connects diode D3, and diode D3 output connects the series loop of resistance R 1 and super capacitor; Resistance R 1 plays the effect of charging current limiter; The positive pole of super capacitor connects the diode D4 in battery energy storage loop, and diode D4 connects with reserve battery, resistance R 2, and circuit U o1 and Uo2 are power output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201683505U CN202634061U (en) | 2012-04-20 | 2012-04-20 | High-voltage switch monitoring system power supply for transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201683505U CN202634061U (en) | 2012-04-20 | 2012-04-20 | High-voltage switch monitoring system power supply for transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202634061U true CN202634061U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201683505U Expired - Fee Related CN202634061U (en) | 2012-04-20 | 2012-04-20 | High-voltage switch monitoring system power supply for transformer station |
Country Status (1)
| Country | Link |
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| CN (1) | CN202634061U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746443A (en) * | 2013-12-27 | 2014-04-23 | 北京四方继保自动化股份有限公司 | Alternating-current and direct-current power taking method for secondary circuit power supply of converter |
| CN104201757A (en) * | 2014-06-17 | 2014-12-10 | 国家电网公司 | Distribution network pole-mounted power supply device |
| CN105226732A (en) * | 2015-11-16 | 2016-01-06 | 重庆大学 | The draw-out power supply circuit of cable temperature monitoring device |
| CN105846660A (en) * | 2015-11-01 | 2016-08-10 | 梁德新 | Switching power supply circuit with function of power supply through backup battery |
| CN106408909A (en) * | 2016-06-23 | 2017-02-15 | 潍坊五洲浩特电气有限公司 | An intelligent electric energy meter adopting 2.4 G radio communication in place of infrared communication |
| CN108494036A (en) * | 2018-03-29 | 2018-09-04 | 安克创新科技股份有限公司 | Charging unit |
| CN108879973A (en) * | 2018-07-11 | 2018-11-23 | 广东电网有限责任公司 | Ultra-high-tension power transmission line sensing electricity getting device and system |
| CN109038865A (en) * | 2018-08-16 | 2018-12-18 | 四川瑞霆电力科技有限公司 | Temperature measuring equipment and its electricity-fetching module, switching power circuit applied to cable accessory |
| CN109816915A (en) * | 2019-03-20 | 2019-05-28 | 武汉恒安数联电子科技有限公司 | A kind of fire acousto-optic alarm circuit |
| CN114050665A (en) * | 2022-01-17 | 2022-02-15 | 广东电网有限责任公司佛山供电局 | Working power supply for three-phase cable on-line monitoring |
-
2012
- 2012-04-20 CN CN2012201683505U patent/CN202634061U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746443A (en) * | 2013-12-27 | 2014-04-23 | 北京四方继保自动化股份有限公司 | Alternating-current and direct-current power taking method for secondary circuit power supply of converter |
| CN104201757A (en) * | 2014-06-17 | 2014-12-10 | 国家电网公司 | Distribution network pole-mounted power supply device |
| CN105846660B (en) * | 2015-11-01 | 2018-10-26 | 梁德新 | With the battery-powered switching power circuit of standby electricity |
| CN105846660A (en) * | 2015-11-01 | 2016-08-10 | 梁德新 | Switching power supply circuit with function of power supply through backup battery |
| CN105226732A (en) * | 2015-11-16 | 2016-01-06 | 重庆大学 | The draw-out power supply circuit of cable temperature monitoring device |
| CN105226732B (en) * | 2015-11-16 | 2018-06-26 | 重庆大学 | The draw-out power supply circuit of cable temperature monitoring device |
| CN106408909A (en) * | 2016-06-23 | 2017-02-15 | 潍坊五洲浩特电气有限公司 | An intelligent electric energy meter adopting 2.4 G radio communication in place of infrared communication |
| CN108494036A (en) * | 2018-03-29 | 2018-09-04 | 安克创新科技股份有限公司 | Charging unit |
| CN108879973A (en) * | 2018-07-11 | 2018-11-23 | 广东电网有限责任公司 | Ultra-high-tension power transmission line sensing electricity getting device and system |
| CN109038865A (en) * | 2018-08-16 | 2018-12-18 | 四川瑞霆电力科技有限公司 | Temperature measuring equipment and its electricity-fetching module, switching power circuit applied to cable accessory |
| CN109038865B (en) * | 2018-08-16 | 2024-01-30 | 四川瑞霆智汇科技有限公司 | Temperature measuring device applied to cable accessory, power taking module thereof and switching power supply circuit |
| CN109816915A (en) * | 2019-03-20 | 2019-05-28 | 武汉恒安数联电子科技有限公司 | A kind of fire acousto-optic alarm circuit |
| CN114050665A (en) * | 2022-01-17 | 2022-02-15 | 广东电网有限责任公司佛山供电局 | Working power supply for three-phase cable on-line monitoring |
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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: 20121226 Termination date: 20130420 |