CN101453139A - Wireless transmission power supply method for lightning arrester leakage current on-line monitoring system - Google Patents
Wireless transmission power supply method for lightning arrester leakage current on-line monitoring system Download PDFInfo
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- CN101453139A CN101453139A CNA2007101714973A CN200710171497A CN101453139A CN 101453139 A CN101453139 A CN 101453139A CN A2007101714973 A CNA2007101714973 A CN A2007101714973A CN 200710171497 A CN200710171497 A CN 200710171497A CN 101453139 A CN101453139 A CN 101453139A
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- power supply
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- leakage current
- lightning arrester
- line monitoring
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Abstract
The invention relates to a power supply system for an on-line arrester leakage current monitoring system in a grid system, in particular to a wireless transmission power supply system of the on-line arrester leakage current monitoring system. The wireless transmission power supply system is used for supplying electricity to a detector of an arrester. The wireless transmission power supply system is characterized by comprising a wireless signal receiving unit, a wireless energy conversion unit and a power supply unit, wherein the wireless signal receiving unit is connected with a detection circuit of the detector and is used for receiving a wireless signal emitted from manual wireless equipment and a signal returned from the detection circuit; the wireless energy conversion unit is used for storing electrical energy of the received wireless signal; and the power supply unit is used for processing the electrical energy stored by the wireless energy conversion unit and supplying the electrical energy to the detection circuit to use. As the technical proposal is adopted, the power supply system solves the problem of power supply for the remote, real-time and on-line monitoring of the arrester, so as to realize the remote on-line monitoring of the arrester.
Description
Technical field
The present invention relates to the electric power system of lightning arrester leakage current on-line monitoring system in a kind of high-voltage web system, particularly a kind of wireless transmission power supply of lightning arrester leakage current on-line monitoring system.
Background technology
In high-voltage fence, zinc oxide arrester is a kind of protection equipment that the protection electric equipment is avoided the overvoltage infringement.Requirement can faster, correctly, effectively reflect zinc oxide arrester internal soundness problem in actual applications, promptly needs lightning arrester is monitored, because the particularity of lightning arrester institute installation site is preferably carried out long-range real time on-line monitoring to lightning arrester.But traditional monitoring method is the mode that relies on artificial on-the-spot poll, and reaction speed is slower, and accuracy in detection is relatively poor.Realize long-range real time on-line monitoring, need the stable power supply supply that continues, but under the high-voltage fence be the enforcement that can't allow conventional method of supplying power to that therefore solving method of supplying power to is the precondition that realizes the automatic remote method for monitoring to lightning arrester.
Summary of the invention
The objective of the invention is to solve the power supply supply problem of the long-range real time on-line monitoring of above-mentioned lightning arrester, a kind of wireless transmission power supply of lightning arrester leakage current on-line monitoring system is provided.
Realize that the object of the invention technical scheme is: a kind of wireless transmission power supply of lightning arrester leakage current on-line monitoring system, be used for detector power supply, it is characterized in that it comprises wireless signal receiving element, wireless energy conversion unit and power supply unit to lightning arrester, wherein
Described wireless signal receiving element is connected with testing circuit in the described detector, is used to receive from wireless signal that manually sends with wireless device and the signal that returns from described testing circuit;
Described wireless energy conversion unit is used for the electric energy of received wireless signal is stored;
Described power supply unit is connected between described wireless energy conversion unit and the described testing circuit, is used for the electric energy that described wireless energy conversion unit stores is fit to the described testing circuit use of treatment and supplied of described testing circuit service condition.
Alternatively, the wireless transmission power supply of above-mentioned lightning arrester leakage current on-line monitoring system is characterized in that, it uses separately or is used in described lightning arrester leakage current on-line monitoring system with other available electric power systems are shared.
Alternatively, the detector of each lightning arrester leakage current on-line monitoring system in transformer station adopts described one to one wireless transmission power supply power supply separately.
Preferably, described wireless signal receiving element adopts frequency shift keying or FMAM mode.
Preferably, described wireless energy conversion unit is used high-frequency rectification circuit.
Preferably, described power supply unit adopts the DC-DC circuit of PWM modulation.
Alternatively, described wireless device is the hand-hold wireless transmitter, and this hand-hold wireless transmitter adopts frequency shift keying or FMAM mode, but must adopt with a kind of mode with described wireless signal receiving system.
Owing to adopted above-mentioned technical solution, solved the power supply supply problem of the long-range real time on-line monitoring of lightning arrester, the remote online monitoring of lightning arrester is become a reality.
Description of drawings
Fig. 1 is the system schematic of the wireless transmission power supply method of lightning arrester leakage current on-line monitoring system of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and embodiments.
With reference to figure 1, a kind of wireless transmission power supply of lightning arrester leakage current on-line monitoring system is used for the detector power supply to lightning arrester, it is characterized in that it comprises wireless signal receiving element 1, wireless energy conversion unit 2 and power supply unit 3, wherein,
Described wireless signal receiving element 1 is connected with testing circuit in the described detector, is used to receive from wireless signal that manually sends with wireless device and the signal that returns from described testing circuit 4;
Described wireless energy conversion unit 2 is used for the electric energy of received wireless signal is stored;
Described power supply unit 3 is connected between described wireless energy conversion unit 2 and the described testing circuit 4, is used for the electric energy that described wireless energy conversion unit 2 stores is fit to the described testing circuit use of treatment and supplied of described testing circuit 4 service conditions.
Alternatively, the wireless transmission power supply of above-mentioned lightning arrester leakage current on-line monitoring system is characterized in that, it uses separately or is used in described lightning arrester leakage current on-line monitoring system with other available electric power systems are shared.
Alternatively, the detector of each lightning arrester leakage current on-line monitoring system in transformer station adopts described one to one wireless transmission power supply power supply separately.
Preferably, described wireless signal receiving element 1 adopts frequency shift keying or FMAM mode.
Preferably, described wireless energy conversion unit 2 is used high-frequency rectification circuit.
Preferably, described power supply unit 3 adopts the DC-DC circuit of PWM modulation.
Alternatively, described wireless device is the hand-hold wireless transmitter, and this hand-hold wireless transmitter adopts frequency shift keying or FMAM mode, but must adopt with a kind of mode with described wireless signal receiving system.
Embodiment:
With reference to shown in Figure 1, in each detector, remove the AC power part, increase wireless receiving circuit, the consumed power of detector is provided by wireless transmission method.To detect data by wireless transmission sends on the hand-held wireless device.Wireless energy conversion equipment in the leakage current of an arrester in-service monitoring instrument adopts high-frequency diode to form high-frequency rectification circuit, obtains the energy of emission.
Wireless signal receiving system in the leakage current of an arrester in-service monitoring instrument adopts frequency shift keying modulation system, centre frequency 315MHz.Wireless handheld transmitter in the leakage current of an arrester in-service monitoring instrument adopts frequency shift keying modulation system, centre frequency 315MHz.Described power supply unit adopts the DC-DC circuit of PWM modulation.Modulating frequency 350KHz, efficient 93%.
Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, person skilled in the relevant technique, under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (7)
1, a kind of wireless transmission power supply of lightning arrester leakage current on-line monitoring system is used for the detector power supply to lightning arrester, it is characterized in that it comprises wireless signal receiving element, wireless energy conversion unit and power supply unit, wherein,
Described wireless signal receiving element is connected with testing circuit in the described detector, is used to receive from wireless signal that manually sends with wireless device and the signal that returns from described testing circuit;
Described wireless energy conversion unit is used for the electric energy of received wireless signal is stored;
Described power supply unit is connected between described wireless energy conversion unit and the described testing circuit, is used for the electric energy that described wireless energy conversion unit stores is fit to the described testing circuit use of treatment and supplied of described testing circuit service condition.
2, the wireless transmission power supply of lightning arrester leakage current on-line monitoring system as claimed in claim 1 is characterized in that, it uses separately or is used in described lightning arrester leakage current on-line monitoring system with other available electric power systems are shared.
3, the wireless transmission power supply of lightning arrester leakage current on-line monitoring system as claimed in claim 1, it is characterized in that the detector of described each lightning arrester leakage current on-line monitoring system in transformer station adopts described one to one wireless transmission power supply power supply separately.
4, the wireless transmission power supply of lightning arrester leakage current on-line monitoring system as claimed in claim 1 is characterized in that, described wireless signal receiving element adopts frequency shift keying or FMAM mode.
5, the wireless transmission power supply of lightning arrester leakage current on-line monitoring system as claimed in claim 1 is characterized in that, described wireless energy conversion unit is used high-frequency rectification circuit.
6, the wireless transmission power supply of lightning arrester leakage current on-line monitoring system as claimed in claim 1 is characterized in that, described power supply unit adopts the DC-DC circuit of PWM modulation.
7, the wireless transmission power supply of lightning arrester leakage current on-line monitoring system as claimed in claim 1, it is characterized in that, described wireless device is the hand-hold wireless transmitter, this hand-hold wireless transmitter adopts frequency shift keying or FMAM mode, but must adopt with a kind of mode with described wireless signal receiving system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101714973A CN101453139A (en) | 2007-11-30 | 2007-11-30 | Wireless transmission power supply method for lightning arrester leakage current on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101714973A CN101453139A (en) | 2007-11-30 | 2007-11-30 | Wireless transmission power supply method for lightning arrester leakage current on-line monitoring system |
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| CN101453139A true CN101453139A (en) | 2009-06-10 |
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| CNA2007101714973A Pending CN101453139A (en) | 2007-11-30 | 2007-11-30 | Wireless transmission power supply method for lightning arrester leakage current on-line monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799492A (en) * | 2010-03-23 | 2010-08-11 | 胡淼龙 | Arrester wireless on-line monitoring device |
| CN102546031A (en) * | 2010-12-16 | 2012-07-04 | 李百祺 | Wireless power transmission system, wireless power transmitting apparatus and wireless power receiving apparatus |
| CN102611167A (en) * | 2012-04-16 | 2012-07-25 | 杭州权衡科技有限公司 | Radio wave energy collector |
-
2007
- 2007-11-30 CN CNA2007101714973A patent/CN101453139A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799492A (en) * | 2010-03-23 | 2010-08-11 | 胡淼龙 | Arrester wireless on-line monitoring device |
| CN102546031A (en) * | 2010-12-16 | 2012-07-04 | 李百祺 | Wireless power transmission system, wireless power transmitting apparatus and wireless power receiving apparatus |
| CN102546031B (en) * | 2010-12-16 | 2016-02-24 | 李百祺 | Wireless power transmission system, wireless power transmitting apparatus and wireless power receiving apparatus |
| CN102611167A (en) * | 2012-04-16 | 2012-07-25 | 杭州权衡科技有限公司 | Radio wave energy collector |
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Open date: 20090610 |