CN201331566Y - Wireless fault locator for distribution line - Google Patents
Wireless fault locator for distribution line Download PDFInfo
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- CN201331566Y CN201331566Y CNU2008201596835U CN200820159683U CN201331566Y CN 201331566 Y CN201331566 Y CN 201331566Y CN U2008201596835 U CNU2008201596835 U CN U2008201596835U CN 200820159683 U CN200820159683 U CN 200820159683U CN 201331566 Y CN201331566 Y CN 201331566Y
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Abstract
The utility model relates to a wireless fault locator for distribution lines. The fault locator comprises a straight-through electric coil and the like; one way of the output of the straight-through electric coil is connected with an inverter power supply circuit; the output of the inverter power supply circuit is connected with a signal conditioning circuit, an AD converting circuit, a microprocessor and a wireless communication module; the other way of the output of the straight-through electric coil is inputted to the AD converting circuit through the signal conditioning circuit; the output of the AD converting circuit is connected with the microprocessor; the output of the microprocessor is connected with the wireless communication module; and the fault locator further comprises a standby button cell for connecting the signal conditioning circuit, the AD converting circuit, the microprocessor and the wireless communication module. The utility model has the advantages that the power is not supplied by storage battery; a transmitting-receiving substation needs not to be arranged; communication can be conducted when the power is cut-off; a luminous instruction and a fault board turning instruction are equipped; the backward ways in the past such as blind line walking, segmental switching on trial line charging troubleshoot are completely changed; the work efficiency is greatly improved; the power failure time is shortened; and power supply reliability and economic benefit are effectively improved.
Description
Technical field
The utility model discloses a kind of power distribution automation device that utilizes wireless communication technique to carry out the distribution line failure location, be mainly used in the electrical power distribution automatization system, belong to the Power System and its Automation field.
Background technology
In electrical power distribution automatization system, it is a very important function that localization of fault detects.Along with the fast development of Chinese society economy, the load of distribution line constantly increases, radius of electricity supply continues to increase, branched line is on the increase, and causes the structure of circuit more and more complicated.When distribution line broke down, the branch and the trouble spot of searching guilty culprit were very difficult, and several hours at least, tens of hours at most, influence power supply reliability, brought the certain economic loss to society.All be to adopt artificial line walking, segmentation combined floodgate trial line charging to search the trouble spot at present, take time and effort trouble very.Therefore, accurate fault automatic location system is to improve the important foundation of power supply reliability.
Document one " based on the feasibility study of the malfunction monitoring of the distribution line of wireless sensor network " (relay, the 11st page of number the 36th the 8th phase of volume in April, 2008) has disclosed a kind of by utilizing wireless sensor network to realize the feasibility of electric power system fault monitoring.But this paper has mainly been told about the requirement of electric system protection device to aspects such as the time-delay of wireless network, data reliability, time synchronized progress actuation times.But the problem that does not relate to aspect, distribution line wireless malfunction location.
Document two " Automatic Fault Located " (industrial and mineral robotization, the 45th page of number the 1st phase in February, 2006) has disclosed a kind of method that can be applicable to oil district 35KV distribution system wireless malfunction location, oil field.The subject matter that this method exists is: need set up the wireless receiving and dispatching substation in the circuit bifurcation, device needs storage battery power supply, so this method is used in the city power distribution automated system very big difficulty is arranged.
The utility model content
For solving the deficiencies in the prior art, the purpose of this utility model be to provide a kind of without storage battery power supply, need not to be provided with the transmitting-receiving substation, the wireless distribution line failure orientator that supply line's fault is effectively located and transmitted in real time, make that to search the trouble spot very convenient, time saving and energy saving, reduce the economic loss of bringing because of power supply trouble.
To achieve these goals, the utility model is realized by the following technical solutions:
A kind of wireless distribution line failure orientator, it is characterized in that comprising punching power taking coil, inverter power circuit, signal conditioning circuit, A/D convertor circuit, microprocessor and wireless communication module, the output one tunnel of described punching power taking coil connects inverter power circuit, and the output of inverter power circuit connects signal conditioning circuit, A/D convertor circuit, microprocessor and wireless communication module; Another road of output of punching power taking coil is input to A/D convertor circuit through signal conditioning circuit, the output connecting microprocessor of A/D convertor circuit, and the output of microprocessor connects wireless communication module; Also comprise standby button cell, described standby button cell connects signal conditioning circuit, A/D convertor circuit, microprocessor and wireless communication module.
Aforesaid wireless distribution line failure orientator is characterized in that also comprising luminous indicating circuit, and described luminous indicating circuit connects the output of microprocessor.
Aforesaid wireless distribution line failure orientator is characterized in that also comprising fault board turning indicating circuit, and described fault board turning indicating circuit connects the output of microprocessor.
Aforesaid wireless distribution line failure orientator is characterized in that described standby button cell is a chargeable button cell.
The beneficial effects of the utility model are: the utility model without storage battery power supply, need not to be provided with the transmitting-receiving substation, supply line's fault is effectively located and the transmission of real-time radio relaying tandem type, still can communication after the outage, and is furnished with the indication of luminous indication and fault board turning, the track walker also can be by the rapid localization of faults of indication, thoroughly change in the past blindly line walking, segmentation combined floodgate trial line charging and searched the backward way of fault, increase work efficiency greatly, shorten power off time, improve power supply reliability and economic benefit effectively.
Description of drawings
Fig. 1 is a wireless distribution line failure orientator hardware synoptic diagram of the present utility model;
Fig. 2 is a wireless distribution line failure orientator relaying cascade communication mode synoptic diagram of the present utility model.
Embodiment
Be an Application Example of the present utility model below, comprised a concrete distribution line wireless malfunction location of adopting the utility model to realize.Other feature, purpose and advantage of the present utility model also can be found out from the explanation of embodiment and accompanying drawing.
Fig. 1 is a wireless distribution line failure orientator hardware synoptic diagram of the present utility model, as shown in the figure, wireless distribution line failure orientator of the present utility model, comprise punching power taking coil, inverter power circuit, signal conditioning circuit, A/D convertor circuit, microprocessor and wireless communication module etc., the output one tunnel of punching power taking coil connects inverter power circuit, and the output of inverter power circuit connects signal conditioning circuit, A/D convertor circuit, microprocessor and wireless communication module; Another road of output of punching power taking coil is input to A/D convertor circuit through signal conditioning circuit, the output connecting microprocessor of A/D convertor circuit, and the output of microprocessor connects wireless communication module.
After preventing the tripping operation of line short protective device; the utility model does not have the power supply supply; can't send fault-signal, also comprise standby button cell in the utility model, standby button cell connects signal conditioning circuit, A/D convertor circuit, microprocessor and wireless communication module.After the tripping operation outage, power to orientator by standby button cell, guarantee the operation of orientator.
Principle of work of the present utility model is: punching power taking coil stationary on distribution line, is adopted circuit punching mode, without any need for extra power supply, by the coil-induced size that goes out line current of punching power taking.This of ac passes through inverter power circuit on the one hand, be converted to the required direct supply of orientator :+5V, ± 12V, supply with each circuit and use; This of ac is through signal conditioning circuit on the other hand; be input to A/D convertor circuit and change discrete digital signal into; microprocessor goes out the size of line current by the DFT algorithm computation, and send on master station by wireless communication module in real time and measure numerical value and circuit running status (normal or fault).When detecting line fault, this orientator send in wireless telecommunications the failure message, also indicates the detected state of this fault locating instrument by board turning indication or luminous indication, conveniently patrols and examines people finder's fault.After circuit is short-circuited fault; protective device may trip immediately, and orientator will be got less than electricity from transmission line of electricity, and at this moment orientator can be by standby button cell power supply; within several seconds, failure message is sent by wireless communication module, to guarantee the correct judgement of main website software.In order to guarantee the repeated use of standby button cell, preferably adopt chargeable button cell.
Fig. 2 is a wireless distribution line failure orientator relaying cascade communication mode synoptic diagram of the present utility model.A master station is set, in order to indication circuit running status and concrete localization of fault point in a distribution zone.A, B, C, D, E are respectively the wireless malfunction orientator that is installed on the distribution line I among the figure, and address is set at 01,02,03,04,05 respectively according to the distance of distance detection main website; A ', B ', C ' are respectively the wireless distribution line failure orientator that is installed on another distribution line II, and address is set at 101,102,103 respectively.Each orientator is furnished with address separately like this, according to increasing gradually apart from length of distance detection main website.If many circuits are arranged, then the orientator on every circuit all has corresponding address identification code.By discerning the device address that to sort out, form a network topology structure that is easy to identification like this.Adopt wireless relay cascade signal communication modes between a plurality of wireless distribution line failure orientators, make the collection capacity of each orientator the one-level one-level be sent to main website, so just need not assumed wireless transmitting-receiving substation.When the normal non-fault of this distribution area operation, the running status of circuit I is by E → D → C → B → A → master station; The running status of circuit II is by C ' → B ' → A ' → master station.When being short-circuited fault between C on the circuit I and the D, the process of the relaying cascade communication on the circuit I is the wireless communication module by D → C → B → A → master station, and the circuit of this moment on D dead electricity is by standby button cell power supply.And circuit II or normal communication.Can save the wireless receiving and dispatching substation like this, main website software is investigated easily be out of order a little.Simultaneously, so board turning is carried out in the indication of the luminous or board turning of the luminous indicating circuit on the wireless distribution line failure orientator D, is convenient to on-the-spot line walking and searches, and determines section, branch and trouble spot rapidly.
The foregoing description does not limit the utility model in any form, and the technical scheme that mode obtained that all employings are equal to replacement or equivalent transformation all drops in the protection domain of the present utility model.
Claims (4)
1, wireless distribution line failure orientator, it is characterized in that comprising punching power taking coil, inverter power circuit, signal conditioning circuit, A/D convertor circuit, microprocessor and wireless communication module, the output one tunnel of described punching power taking coil connects inverter power circuit, and the output of inverter power circuit connects signal conditioning circuit, A/D convertor circuit, microprocessor and wireless communication module; Another road of output of punching power taking coil is input to A/D convertor circuit through signal conditioning circuit, the output connecting microprocessor of A/D convertor circuit, and the output of microprocessor connects wireless communication module; Also comprise standby button cell, described standby button cell connects signal conditioning circuit, A/D convertor circuit, microprocessor and wireless communication module.
2, wireless distribution line failure orientator according to claim 1 is characterized in that also comprising luminous indicating circuit, and described luminous indicating circuit connects the output of microprocessor.
3, wireless distribution line failure orientator according to claim 1 and 2 is characterized in that also comprising fault board turning indicating circuit, and described fault board turning indicating circuit connects the output of microprocessor.
4, wireless distribution line failure orientator according to claim 1 is characterized in that described standby button cell is a chargeable button cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201596835U CN201331566Y (en) | 2008-11-06 | 2008-11-06 | Wireless fault locator for distribution line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201596835U CN201331566Y (en) | 2008-11-06 | 2008-11-06 | Wireless fault locator for distribution line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201331566Y true CN201331566Y (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201596835U Expired - Lifetime CN201331566Y (en) | 2008-11-06 | 2008-11-06 | Wireless fault locator for distribution line |
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| Country | Link |
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| CN (1) | CN201331566Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590574A (en) * | 2012-03-14 | 2012-07-18 | 昆明迪森电气有限公司 | Digital current transformer based on induction power supply and monitoring method for digital current transformer |
| CN102735989A (en) * | 2011-03-31 | 2012-10-17 | 青岛科技大学 | Mining wireless power failure indicator |
| CN101738565B (en) * | 2010-01-14 | 2013-03-06 | 北京双杰电气股份有限公司 | Adaptive fault indicator |
| CN104376908A (en) * | 2014-11-07 | 2015-02-25 | 国网上海市电力公司 | Underground self-repairing power cable provided with easily broken nodes |
| CN110888022A (en) * | 2019-12-20 | 2020-03-17 | 海南电网有限责任公司电力科学研究院 | Single-phase earth fault detection and positioning device for power distribution network |
-
2008
- 2008-11-06 CN CNU2008201596835U patent/CN201331566Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738565B (en) * | 2010-01-14 | 2013-03-06 | 北京双杰电气股份有限公司 | Adaptive fault indicator |
| CN102735989A (en) * | 2011-03-31 | 2012-10-17 | 青岛科技大学 | Mining wireless power failure indicator |
| CN102590574A (en) * | 2012-03-14 | 2012-07-18 | 昆明迪森电气有限公司 | Digital current transformer based on induction power supply and monitoring method for digital current transformer |
| CN102590574B (en) * | 2012-03-14 | 2015-12-30 | 昆明迪森电气有限公司 | Based on digital current mutual inductor and the monitoring method thereof of inductive power supply |
| CN104376908A (en) * | 2014-11-07 | 2015-02-25 | 国网上海市电力公司 | Underground self-repairing power cable provided with easily broken nodes |
| CN104376908B (en) * | 2014-11-07 | 2016-08-24 | 国网上海市电力公司 | It is provided with the underground selfreparing electric power cable of easily broken node |
| CN110888022A (en) * | 2019-12-20 | 2020-03-17 | 海南电网有限责任公司电力科学研究院 | Single-phase earth fault detection and positioning device for power distribution network |
| CN110888022B (en) * | 2019-12-20 | 2021-10-08 | 海南电网有限责任公司电力科学研究院 | Single-phase earth fault detection and positioning device for power distribution network |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |