CN101358993A - Power supply system for on-line detecting resistance current of lightning arrester - Google Patents
Power supply system for on-line detecting resistance current of lightning arrester Download PDFInfo
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- CN101358993A CN101358993A CNA2007100444375A CN200710044437A CN101358993A CN 101358993 A CN101358993 A CN 101358993A CN A2007100444375 A CNA2007100444375 A CN A2007100444375A CN 200710044437 A CN200710044437 A CN 200710044437A CN 101358993 A CN101358993 A CN 101358993A
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Abstract
The present invention discloses a power supply system without a power supply, which is used for detecting the resistive current of the online arrester. The power supply system comprises a power supply battery which consists of a plurality of serial batteries. The system is characterized by also comprising a power supply switch, a power supply and discharge monitoring module, a measurement/calculation module used the load, and a liquid crystal display/wireless communication module. Two input ends of the power supply switch are respectively connected with the anode of the power supply battery and one end of the power supply and discharge monitoring module; the other end of the power supply and discharge monitoring module is connected with the cathode of the power supply battery; the measurement/calculation module is connected with the output end of the power supply switch; and two input ends of the liquid crystal display/wireless communication module are respectively connected with the output end of the power supply and discharge monitoring module and the output end of the measurement/calculation module. The system requires no AC or DC power supply, and can only depend on the battery to maintain the long-term operation of the detection device, so as to save the energy to the greatest extent.
Description
Technical field
The present invention relates to the electric power system that a kind of online arrester resistance current detects.
Background technology
Zinc-Oxide Arrester is a kind of protection equipment that the protection electric equipment is avoided the superpotential infringement.Because nonlinear characteristic that Zinc-Oxide Arrester is superior and good through-current capability; now accepted and be extensive use of by the user of vast power department; yet a large amount of uses along with Zinc-Oxide Arrester; cause protected equipment to be damaged and cause that electric power accident happens occasionally because of lightning arrester itself has an accident, especially in a single day 110KV and above electric pressure Zinc-Oxide Arrester have an accident and will bring about great losses to the user.
Current, be online detection to the effective means of the status monitoring of lightning arrester, the lightning arrester changes of properties that is lowered to network operation at high-voltage fence is normally monitored in online detection.How strengthening the inspection that lightning arrester is in operation for operation department is that online detection is most important, if can in time find the degradation trend of lightning arrester, just can take measures as early as possible or lightning arrester is out of service, reaches trouble-saving generation.
But a great technical barrier of the online detection of lightning arrester is a powerup issue.Owing to be lowered to network operation at high-voltage fence, the way of any use transformer station power supply all is the labile factor that has increased electrical network.How under the situation of not using any power of alterating and direct current, only relying on battery to keep the detection system long-term work, is the main method that solves this technical barrier.
Summary of the invention
The objective of the invention is to solve the problems referred to above that prior art exists the electric power system that provides a kind of online arrester resistance current that does not use any power of alterating and direct current and only rely on battery to keep the pick-up unit long-term work to detect.
The objective of the invention is to be achieved: the non-transformer electric power system that a kind of online arrester resistance current detects by following technical scheme, comprise the supplying cell that constitutes by some battery strings parallel connections, also comprise power switch, power supply and discharge monitoring module, measurement/computing module and liquid crystal display/wireless communication module as load, two input ends of described power switch are connected with the positive pole of supplying cell and an end of power supply and discharge monitoring module respectively, the other end of described power supply and discharge monitoring module is connected with the supplying cell negative pole, described measurement/computing module is connected with the output terminal of power switch, two input ends of described liquid crystal display/wireless communication module are connected with power supply and the discharge output terminal of monitoring module and the output terminal of measurement/computing module respectively, wherein
Power supply and discharge monitoring module are directly to provide power supply by supplying cell, produce liquid crystal display/required power supply of wireless communication module continuous working, produce the gating pulse of control power switch gap work simultaneously;
Power switch is power supply directly to be provided and to be accepted power supply and the gating pulse of discharge monitoring module generation by supplying cell, offers measurement/required energy of computing module gap work after treatment;
The control signal that provides described liquid crystal display/wireless communication module required is provided measurement/computing module, and the controller of himself can be finished the detection of current in resistance property in working order down, and its intermittently used energy is provided by power switch;
Liquid crystal display/communication module is used to accept to measure/signal of computing module, provide information according to the signal of measurement/computing module to the external world, and the energy of its continuous working is provided by power supply and discharge monitoring module.
The non-transformer electric power system that above-mentioned online arrester resistance current detects, wherein, described power switching module is relay, transistor or field effect transistor.
The non-transformer electric power system that above-mentioned online arrester resistance current detects, wherein, described power supply and discharge monitoring module are single-chip microcomputer or DSP, the controller of himself can regularly enter the power down protection state according to the signal of real-time clock.
The non-transformer electric power system that above-mentioned online arrester resistance current detects, wherein, under any state, described power supply and discharge monitoring module can both be interrupted by lightning discharge and in time activate, and make this module enter duty.
Adopted the technical scheme of the electric power system of online arrester resistance current detection of the present invention, promptly by accumulator to power supply and the power supply of discharge monitoring module and power switch, produce the demonstration/required uninterruptable power of communication module work of pick-up unit by power supply and the control of discharge monitoring module, also produce the control power switching module intermittently used pulse power, thereby the discontinuous operation of the measurement/computing module of control detection device, conserve energy to greatest extent; The controller of this module self can regularly enter the power down protection state according to the signal of real-time clock again, promptly saves the energy consumption of self, controls other correlation module discontinuous operation again.Therefore, system of the present invention can not use any power of alterating and direct current and only rely on battery to keep the pick-up unit long-term work.
Description of drawings
Fig. 1 is the structured flowchart of the electric power system of online arrester resistance current detection of the present invention.
Embodiment
See also Fig. 1, the electric power system that a kind of online arrester resistance current of the present invention detects, comprise supplying cell 1, power switch 2, power supply and discharge monitoring module 3, measurement/computing module 4 and liquid crystal display/wireless communication module 5, wherein, supplying cell 1 is made of some battery strings parallel connections.Power switch 2 is relay, transistor or field effect transistor, and its two input ends are connected with the positive pole of supplying cell 1 and an end of power supply and discharge monitoring module 3 respectively.Power supply and discharge monitoring module 3 are PHILP single-chip microcomputer or DSP, and the controller of himself can regularly enter the power down protection state according to the signal of real-time clock, and its other end is connected with the negative pole of supplying cell 1.Measurement/computing module 4 is as load, and it is connected with the output terminal of power switch 2.Liquid crystal display/wireless communication module 5 is also as load, and its two input ends are connected with power supply and the output terminal of discharge monitoring module 3 and the output terminal of measurement/computing module 4 respectively.
The principle of work of the electric power system that online arrester resistance current of the present invention detects is:
Power supply and discharge monitoring module 3 are directly to provide power supply by supplying cell 1, produce the required power supply of liquid crystal display/wireless communication module 5 continuous workings, produce the gating pulse of control power switch 2 gaps work simultaneously; Power switch 2 is power supply directly to be provided and to be accepted power supply and the gating pulse of discharge monitoring module 3 generations by supplying cell 1, offers the required energy of measurement/computing module 4 gaps work after treatment; Measurement/computing module 4 is used to provide liquid crystal display/wireless communication module 5 required control signal, and the controller of himself can be finished the detection of current in resistance property in working order down, and its intermittently used energy is provided by power switch; Liquid crystal display/communication module 5 is used to accept to measure/signal of computing module 4, provide information according to the signal of measurement/computing module 4 to the external world, and the energy of its continuous working is provided by power supply and discharge monitoring module 3.
Under any state, power supply and discharge monitoring module 3 can both be interrupted by lightning discharge and in time activate, and make this module enter duty.To count and record discharge scenario as the interrupt software in the PHILIP single-chip microcomputer of power supply and discharge monitoring module 3.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, the present invention can also change and more mode, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (4)
1. non-transformer electric power system that online arrester resistance current detects, comprise the supplying cell that constitutes by some battery strings parallel connections, it is characterized in that, also comprise power switch, power supply and discharge monitoring module, measurement/computing module and liquid crystal display/wireless communication module as load, two input ends of described power switch are connected with the positive pole of supplying cell and an end of power supply and discharge monitoring module respectively, the other end of described power supply and discharge monitoring module is connected with the supplying cell negative pole, described measurement/computing module is connected with the output terminal of power switch, two input ends of described liquid crystal display/wireless communication module are connected with power supply and the discharge output terminal of monitoring module and the output terminal of measurement/computing module respectively, wherein
Power supply and discharge monitoring module are directly to provide power supply by supplying cell, produce liquid crystal display/required power supply of wireless communication module continuous working, produce the gating pulse of control power switch gap work simultaneously;
Power switch is power supply directly to be provided and to be accepted power supply and the gating pulse of discharge monitoring module generation by supplying cell, offers measurement/required energy of computing module gap work after treatment;
The control signal that provides described liquid crystal display/wireless communication module required is provided measurement/computing module, and the controller of himself can be finished the detection of current in resistance property in working order down, and its intermittently used energy is provided by power switch;
Liquid crystal display/communication module is used to accept to measure/signal of computing module, provide information according to the signal of measurement/computing module to the external world, and the energy of its continuous working is provided by power supply and discharge monitoring module.
2. the non-transformer electric power system that online arrester resistance current according to claim 1 detects is characterized in that described power switching module is relay, transistor or field effect transistor.
3. the non-transformer electric power system that online arrester resistance current according to claim 1 detects; it is characterized in that; described power supply and discharge monitoring module are single-chip microcomputer or DSP, and the controller of himself can regularly enter the power down protection state according to the signal of real-time clock.
4. the non-transformer electric power system that detects according to claim 1 or 2 or 3 described online arrester resistance currents, it is characterized in that, under any state, described power supply and discharge monitoring module can both be interrupted by lightning discharge and in time activate, and make this module enter duty.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100444375A CN101358993A (en) | 2007-07-31 | 2007-07-31 | Power supply system for on-line detecting resistance current of lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100444375A CN101358993A (en) | 2007-07-31 | 2007-07-31 | Power supply system for on-line detecting resistance current of lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101358993A true CN101358993A (en) | 2009-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100444375A Pending CN101358993A (en) | 2007-07-31 | 2007-07-31 | Power supply system for on-line detecting resistance current of lightning arrester |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833051A (en) * | 2010-04-20 | 2010-09-15 | 武汉新电电气技术有限责任公司 | Electrified tester for zinc oxide arrester |
| CN102621372A (en) * | 2012-03-22 | 2012-08-01 | 上海市电力公司 | CVT (Constant-Voltage Transformer) monitoring device for monitoring MOA (Metal Oxide Arrester) voltage |
| CN102854410A (en) * | 2011-07-01 | 2013-01-02 | 上海思盛信息科技事务所 | Method for online monitoring intermittent power supply |
| CN102946141A (en) * | 2012-12-07 | 2013-02-27 | 上海市电力公司 | Power supply device and power supply method for switchgear arrester leakage current monitoring system |
| CN103176026A (en) * | 2011-12-22 | 2013-06-26 | 中国科学院沈阳自动化研究所 | Wireless monitoring energy management system for lightning arrester |
| CN105675932A (en) * | 2016-01-21 | 2016-06-15 | 中国电力科学研究院 | Testing power supply for aging of lightning arrester of high-voltage DC power transmission system |
| CN112462214A (en) * | 2020-11-26 | 2021-03-09 | 云南电网有限责任公司电力科学研究院 | Intelligent sensing terminal for partial discharge |
-
2007
- 2007-07-31 CN CNA2007100444375A patent/CN101358993A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833051A (en) * | 2010-04-20 | 2010-09-15 | 武汉新电电气技术有限责任公司 | Electrified tester for zinc oxide arrester |
| CN101833051B (en) * | 2010-04-20 | 2012-03-28 | 武汉新电电气技术有限责任公司 | Electrified tester for zinc oxide arrester |
| CN102854410A (en) * | 2011-07-01 | 2013-01-02 | 上海思盛信息科技事务所 | Method for online monitoring intermittent power supply |
| CN102854410B (en) * | 2011-07-01 | 2014-12-31 | 上海思盛信息科技事务所 | Method for online monitoring intermittent power supply |
| CN103176026A (en) * | 2011-12-22 | 2013-06-26 | 中国科学院沈阳自动化研究所 | Wireless monitoring energy management system for lightning arrester |
| CN103176026B (en) * | 2011-12-22 | 2015-06-24 | 中国科学院沈阳自动化研究所 | Wireless monitoring energy management system for lightning arrester |
| CN102621372A (en) * | 2012-03-22 | 2012-08-01 | 上海市电力公司 | CVT (Constant-Voltage Transformer) monitoring device for monitoring MOA (Metal Oxide Arrester) voltage |
| CN102946141A (en) * | 2012-12-07 | 2013-02-27 | 上海市电力公司 | Power supply device and power supply method for switchgear arrester leakage current monitoring system |
| CN105675932A (en) * | 2016-01-21 | 2016-06-15 | 中国电力科学研究院 | Testing power supply for aging of lightning arrester of high-voltage DC power transmission system |
| CN112462214A (en) * | 2020-11-26 | 2021-03-09 | 云南电网有限责任公司电力科学研究院 | Intelligent sensing terminal for partial discharge |
| CN112462214B (en) * | 2020-11-26 | 2023-01-20 | 云南电网有限责任公司电力科学研究院 | Intelligent sensing terminal for partial discharge |
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Open date: 20090204 |