CN202013401U - Line fault detection system and node fault detection device - Google Patents

Line fault detection system and node fault detection device Download PDF

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Publication number
CN202013401U
CN202013401U CN201120048034XU CN201120048034U CN202013401U CN 202013401 U CN202013401 U CN 202013401U CN 201120048034X U CN201120048034X U CN 201120048034XU CN 201120048034 U CN201120048034 U CN 201120048034U CN 202013401 U CN202013401 U CN 202013401U
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China
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failure message
fault
unit
node
communication module
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CN201120048034XU
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Chinese (zh)
Inventor
马维青
王永福
乔云庭
薛东升
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SHANXI ELECTRIC POWER CO Ltd YANGQUAN POWER SUPPLY BRANCH
State Grid Corp of China SGCC
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SHANXI ELECTRIC POWER CO Ltd YANGQUAN POWER SUPPLY BRANCH
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Abstract

The present utility model, which belongs to the electric power field, discloses a line fault detection system and node fault detection devices. The system comprises node fault detection devices arranged on detecting nodes and a monitoring device arranged on a monitoring center. When faults are detected by the node fault detection devices, fault information and position information corresponding with the fault information are sent to the monitoring device through a wireless communication way. The present utility model also comprises the node fault detection devices of the line fault detection system. By adopting an embodiment of the present utility model, when faults of a power distribution network are detected by the node fault detection devices on the detecting nodes, fault information and position information corresponding with the fault information are sent to the monitoring device through a wireless communication way. Thus, through a simple and low-cost way, the function of automatically reporting position information and fault information, and automatically positioning fault points can be realized.

Description

A kind of line fault detection system and node failure pick-up unit
Technical field
The utility model relates to power domain, particularly a kind of line fault detection system and node failure pick-up unit.
Background technology
In electric system, overhead distribution is the main power supply mode of electric company.Compare with underground dsitribution system, the overhead construction cost is low, and short construction period is easy to repair and maintenance.But because overhead distribution long transmission distance, branch line are many, be exposed to simultaneously in the atmospheric environment, can directly be subjected to the influence of meteorological condition.Lightning, drench with rain, wet fog and nature and industrial filth etc. also all can destroy or reduce the dielectric strength of overhead transmission line even cause power outage.The power failure in case break down can be made troubles to people's life, disturbs the ordinary production operation of enterprise.
Each electric company's distribution line generally adopts the scope that the mode of installation fault detector is dwindled troubleshooting at present, searches the efficient of fault with raising.Fault detector is mounted in the head end on each main branch connections road on the circuit, the fault that in branch's line segment, is short-circuited, and when link tester was crossed short-circuit current, the fault detector of fault generation section can produce board turning or luminous warning message.The fault detector that the line walking maintenance personal sends warning message by investigation comes the position of failure judgement generation.
In realizing process of the present utility model, the inventor finds that there is following problem at least in prior art:
The mode that needs artificial line walking investigation to send the fault detector of warning message in the prior art is come the failure judgement occurrence positions, and this mode wastes time and energy.Can't realize the function of automatic fault-reporting information and fault location spot in the back of breaking down.
The utility model content
For the function that realizes that failure message reports automatically, and the function of realization localization of fault, the utility model embodiment provides a kind of line fault detection system and node failure pick-up unit.Described technical scheme is as follows:
A kind of line fault detection system is characterized in that, described system comprises: the supervising device that is positioned at the node failure pick-up unit on the detection node and is positioned at Surveillance center;
Described node failure pick-up unit sends to supervising device by communication with failure message and described failure message corresponding position information after detecting the fault generation.
A kind of node failure pick-up unit is characterized in that the node failure pick-up unit is positioned on the detection node, described node failure pick-up unit by place on the distribution line fault detector and place the communication module on the distribution wire bar to form,
Described fault detector is connected with communication module by Radio Transmission Technology, and transmission fault information is given described communication module;
After described communication module receives described failure message, obtain described failure message corresponding position information, described failure message and described failure message corresponding position information are sent to supervising device by communication.
The beneficial effect of the technical scheme that the utility model embodiment provides is:
When detecting distribution network failure and take place, send to supervising device with failure message and with its corresponding position information by communication by being positioned at node failure pick-up unit on the detection node.Reached by mode simple, with low cost, but realized that positional information and failure message report automatically and the function of automatically positioning fault points.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, to do one to the accompanying drawing that uses among the embodiment below introduces simply, apparently, below listed accompanying drawing only be embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the line fault detection system structural representation that the utility model embodiment 1 provides;
Fig. 2 is the line fault detection system structural representation that the utility model embodiment 2 provides;
Fig. 3 is a localization of fault synoptic diagram among the utility model embodiment 2;
Fig. 4 is the node failure pick-up unit structural representation that the utility model embodiment 3 provides.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, present embodiment provides a kind of line fault detection system, comprising:
The supervising device 102 that is positioned at the node failure pick-up unit 101 on the detection node and is positioned at Surveillance center;
Described node failure pick-up unit 101 sends to supervising device 102 by communication with failure message and described failure message corresponding position information after detecting the fault generation.
When present embodiment detects distribution network failure and takes place by being positioned at node failure pick-up unit on the detection node, send to supervising device with failure message and with its corresponding position information by communication.Reached by mode simple, with low cost, but realized that positional information and failure message report automatically and the function of automatically positioning fault points.
Embodiment 2
Present embodiment provides a kind of line fault detection system, is on the basis of embodiment 1, to improve, referring to Fig. 2:
Wherein, node failure pick-up unit 101 is made up of fault detector 101A and communication module 101B, and described fault detector 101A is connected with communication module 101B by Radio Transmission Technology, and transmission fault information.
Concrete, whole line fault detection system is to be made of plurality of nodes failure detector and a supervising device, transmits failure message and positional information by communication.
Fault detector 101A is made up of the fault detection unit 101A1 and the first radio transceiver unit 101A2, is used to monitor the line fault on the distribution line, and sends failure message to communication module 101B.
Concrete, in each node failure pick-up unit 101, all comprise three fault detectors.Fault detector is installed on the distribution line, links to each other with three phase lines on the distribution line respectively, is respectively applied for the fault that detects coupled phase line.
When phase fault took place certain point on the distribution line, short-circuit current can flow to the trouble spot from power supply, through its once the nearest node failure pick-up unit of process and described node failure pick-up unit go up a node failure pick-up unit again.As shown in Figure 3, when the F point between Node B and node C is short-circuited fault, Node B that short-circuit current can pass through and node A.After fault detection unit 101A1 in the node failure pick-up unit of these two nodes detects short-circuit current, can produce board turning or luminous warning message, failure message is sent to the communication module 101B that places on the distribution wire bar by the first radio transceiver unit 101A2 simultaneously, described failure message comprises fault detector numbering and failure code, and this moment, failure code was expressed as: the short circuit warning information.
When the cell voltage reduction takes place in fault detector 101A, also low-voltage information is sent to the communication module 101B that places on the distribution wire bar by the first radio transceiver unit 101A2, described failure message comprises fault detector numbering and low-voltage code, and this moment, failure code was expressed as: the indicator cell voltage reduces.
Further, less radio-frequency is a kind of contactless automatic identification technology, with respect to traditional magnetic card and IC-card technology have noncontact, reading rate fast, do not have characteristics such as wearing and tearing.Can carry out the noncontact bidirectional data transfers, to reach the purpose of Target Recognition and exchanges data.
Communication module 101B, form by the second radio transceiver unit 101B1 and wireless communication unit 101B2, be used to receive the failure message that fault detector sends, and described failure message and described failure message corresponding position information sent to supervising device 102 by communication.
Concrete, after described communication module receives described failure message, obtain described failure message corresponding position information, by communication described failure message and described failure message corresponding position information are sent to supervising device.
After having received the failure message that sends from the first radio transceiver unit 101A2 as the second radio transceiver unit 101B1, information can be sent to wireless communication unit 101B2, described failure message comprises fault detector numbering and failure code.Described communication module 101B can pass described failure message and the node serial number that is stored in this node among the wireless communication module 101B back supervising device 102 by wireless communication unit 101B2, preserves the place, position of the node failure pick-up unit 101 of described node serial number correspondence in supervising device 102.Supervising device 102 can come the type and the location of failure judgement generation according to described failure message and described failure message corresponding position information.Described communication adopts the mode of GPRS (General Packet Radio Service, general packet radio service).GPRS is to transmit in the mode of package with continuously different in the mode of channel transmission in the past, so the expense that the user bore is to calculate with its data transmission unit, is not to use its whole channel.
When phase fault takes place in certain point on the distribution line, described supervising device 102 can be out of order a little between Node B and node C according to the analysis software that is installed in described supervising device 102 after receiving the described failure message and described failure message corresponding position information that node A and Node B pass back.When battery failures took place fault detector 101A, supervising device 102 can be pointed out the indicator battery failures that has node location information.
On the other hand, if the equipment among the communication module 101B breaks down or battery electric quantity when not enough, also can send described failure message and described failure message corresponding position information is passed supervising device 102 back by wireless communication unit 101B2.Described failure message comprises the numbering of fault numbering and fault detector when being short-circuited fault and fault detector battery failures, but when equipment failure or battery failures appear in communication module 101B, can not relate to the numbering of fault detector, therefore this field of numbering of fault detector just is empty in the failure message of this moment, so described failure message is at this moment for fault numbering and be the field of sky, and the described failure message when being short-circuited fault and the form of described failure message corresponding position information are identical.Described fault numbering can be information such as communication module battery failures, equipment failure fault.
Further, wireless communication unit 101B2 can adopt the beat mode, according to the default time cycle, and the timing state that reports Wireless Telecom Equipment initiatively, described status information is the status information that has positional information and equipment working condition.If communication failure, supervising device 102 does not receive the status information that reports later in the default time cycle, and then can be considered as described communication module 2 has fault.
Supervising device 102 is made up of router one 02A and monitoring server 102B.
Concrete, node failure pick-up unit 101 sends to mobile internal network by the GPRS communication modes with described failure message and described failure message corresponding position information, pass through APN (Access Point Name again, access point) special line is sent to monitoring server 102B, can orient fault section automatically by the fault automatic location analysis software that is installed on the described monitoring server 102B.Described APN special line transmission mode is according to the specific (special) requirements of enterprise to network security, has adopted the transmission mode of multiple safety practice.By an access via telephone line operator GPRS network, adopt private IP address to carry out wide area between both sides' dlsw router and connect.
Monitoring server 102B receives from after the described failure message of node failure pick-up unit 101 and the described failure message corresponding position information, can send audible and visual alarm with the prompting monitor staff.Simultaneously can real time record in database, long preservation is convenient to statistical study as required.Can generate various statistical report forms, chart according to customer requirements, different topology position and type of alarm according to reporting to the police provide data analysis function, determine failure cause and abort situation.
Monitoring server 102B also can initiatively issue query statement to node failure pick-up unit 101 the communication module 101B in the node failure pick-up unit 101 is carried out active monitoring, and described node failure pick-up unit 101 can return the status information of equipment this moment.
After the fault detector 101A in the node failure pick-up unit 101 changes, the numbering of the fault detector 101A that will change in monitoring server 102B is carried out corresponding renewal with the node location information at its place, described monitoring server 102B can issue update command automatically to communication module 101B, and the numbering of fault detector among the described communication module 101B is carried out corresponding renewal with the node location information at its place.
When present embodiment detects distribution network failure and takes place by being positioned at node failure pick-up unit on the detection node, send to supervising device with failure message and with its corresponding position information by communication.Reached by mode simple, with low cost, but realized that positional information and failure message report automatically and the function of automatically positioning fault points.
Embodiment 3
Referring to Fig. 4, present embodiment provides a kind of node failure pick-up unit, comprising:
Node failure pick-up unit 401 is positioned on the detection node, described node failure pick-up unit 401 by place on the distribution line fault detector 401A and place the communication module 401B on the distribution wire bar to form,
Described fault detector 401A is connected with communication module 401B by Radio Transmission Technology, and transmission fault information is given described communication module 401B;
After described communication module 401B receives described failure message, obtain described failure message corresponding position information, described failure message and described failure message corresponding position information are sent to supervising device by communication.
Described fault detector 401A is made up of the fault detection unit 401A1 and the first radio transceiver unit 401A2, is used to monitor the line fault on the distribution line, and sends failure message to communication module 401B;
Described fault detection unit 401A1 is used to detect the line fault on the distribution line;
The described first radio transceiver unit 401A2 is used for sending failure message to described communication module 401B by radio frequency signal after described fault detection unit detects the fault generation.
Described communication module 401B is made up of the second radio transceiver unit 401B1 and wireless communication unit 401B2, be used to receive failure message, and described failure message and described failure message corresponding position information sent to supervising device by communication;
The described second radio transceiver unit 401B1 is used to receive the failure message that the first radio transceiver unit 401A2 sends;
Described wireless communication unit 401B2 is used for described failure message and described failure message corresponding position information are sent to supervising device by communication.
When present embodiment detects distribution network failure and takes place by being positioned at node failure pick-up unit on the detection node, send to supervising device with failure message and with its corresponding position information by communication.Reached by mode simple, with low cost, realized the function that failure message and positional information report automatically.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (7)

1. a line fault detection system is characterized in that, described system comprises: the supervising device that is positioned at the node failure pick-up unit on the detection node and is positioned at Surveillance center;
Described node failure pick-up unit sends to supervising device by communication with failure message and described failure message corresponding position information after detecting the fault generation.
2. line fault detection system according to claim 1 is characterized in that,
Described node failure pick-up unit is by placing the fault detector on the distribution line and placing the communication module on the distribution wire bar to form, and described fault detector is connected with communication module by Radio Transmission Technology, and transmission fault information is given described communication module;
After described communication module receives described failure message, obtain described failure message corresponding position information, described failure message and described failure message corresponding position information are sent to supervising device by communication.
3. line fault detection system according to claim 2 is characterized in that,
Described fault detector is made up of the fault detection unit and the first radio transceiver unit, is used to monitor the line fault on the distribution line, and sends failure message to communication module;
Described fault detection unit is used to detect the line fault on the distribution line;
The described first radio transceiver unit is used for sending failure message to described communication module by radio frequency signal after described fault detection unit detects the fault generation.
4. line fault detection system according to claim 2 is characterized in that,
Described communication module is made up of the second radio transceiver unit and wireless communication unit, is used to receive failure message, and by communication described failure message and described failure message corresponding position information is sent to supervising device;
The described second radio transceiver unit is used to receive the failure message that the first radio transceiver unit sends;
Described wireless communication unit is used for described failure message and described failure message corresponding position information are sent to supervising device by communication.
5. a node failure pick-up unit is characterized in that, the node failure pick-up unit is positioned on the detection node, described node failure pick-up unit by place on the distribution line fault detector and place the communication module on the distribution wire bar to form,
Described fault detector is connected with communication module by Radio Transmission Technology, and transmission fault information is given described communication module;
After described communication module receives described failure message, obtain described failure message corresponding position information, described failure message and described failure message corresponding position information are sent to supervising device by communication.
6. node failure pick-up unit according to claim 5 is characterized in that,
Described fault detector is made up of the fault detection unit and the first radio transceiver unit, is used to monitor the line fault on the distribution line, and sends failure message to communication module;
Described fault detection unit is used to detect the line fault on the distribution line;
The described first radio transceiver unit is used for sending failure message to described communication module by radio frequency signal after described fault detection unit detects the fault generation.
7. node failure pick-up unit according to claim 5 is characterized in that,
Described communication module is made up of the second radio transceiver unit and wireless communication unit, is used to receive failure message, and by communication described failure message and described failure message corresponding position information is sent to supervising device;
The described second radio transceiver unit is used to receive the failure message that the first radio transceiver unit sends;
Described wireless communication unit is used for described failure message and described failure message corresponding position information are sent to supervising device by communication.
CN201120048034XU 2011-02-25 2011-02-25 Line fault detection system and node fault detection device Expired - Lifetime CN202013401U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103995216A (en) * 2014-05-30 2014-08-20 成都汉度科技有限公司 Automatic monitoring method for power system line fault
CN104007368A (en) * 2014-06-17 2014-08-27 漳州市锦成电力设备有限公司 High-voltage electric wire fault detecting system based on CAN bus
CN105699805A (en) * 2016-01-27 2016-06-22 郭兵 An electric system fault detection communication apparatus
CN106249675A (en) * 2016-08-03 2016-12-21 合肥奇也信息科技有限公司 A kind of production line job failure on-line monitoring processing system
CN108335468A (en) * 2017-12-12 2018-07-27 中科(深圳)能源物联网有限公司 A kind of cable monitoring system
CN111459066A (en) * 2020-04-13 2020-07-28 深圳市永恒光照明科技有限公司 Underground pipe network monitoring system of urban lighting facility

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103995216A (en) * 2014-05-30 2014-08-20 成都汉度科技有限公司 Automatic monitoring method for power system line fault
CN103995216B (en) * 2014-05-30 2016-08-24 成都汉度科技有限公司 Line fault of electrical power system automatic monitoring method
CN104007368A (en) * 2014-06-17 2014-08-27 漳州市锦成电力设备有限公司 High-voltage electric wire fault detecting system based on CAN bus
CN104007368B (en) * 2014-06-17 2017-01-18 漳州市锦成电力设备有限公司 High-voltage electric wire fault detecting system and method based on CAN bus
CN105699805A (en) * 2016-01-27 2016-06-22 郭兵 An electric system fault detection communication apparatus
CN106249675A (en) * 2016-08-03 2016-12-21 合肥奇也信息科技有限公司 A kind of production line job failure on-line monitoring processing system
CN108335468A (en) * 2017-12-12 2018-07-27 中科(深圳)能源物联网有限公司 A kind of cable monitoring system
CN111459066A (en) * 2020-04-13 2020-07-28 深圳市永恒光照明科技有限公司 Underground pipe network monitoring system of urban lighting facility

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Owner name: STATE ELECTRIC NET CROP.

Effective date: 20130606

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Effective date of registration: 20130606

Address after: 045000 No. 10 Desheng East Street, Shanxi, Yangquan

Patentee after: Shanxi Electric Power Co., Ltd. Yangquan Power Supply Branch

Patentee after: State Grid Corporation of China

Address before: 045000 No. 10 Desheng East Street, Shanxi, Yangquan

Patentee before: Shanxi Electric Power Co., Ltd. Yangquan Power Supply Branch

CX01 Expiry of patent term

Granted publication date: 20111019

CX01 Expiry of patent term