CN205539320U - Cable termination arcing ground monitoring devices - Google Patents
Cable termination arcing ground monitoring devices Download PDFInfo
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- CN205539320U CN205539320U CN201620161076.7U CN201620161076U CN205539320U CN 205539320 U CN205539320 U CN 205539320U CN 201620161076 U CN201620161076 U CN 201620161076U CN 205539320 U CN205539320 U CN 205539320U
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- cable termination
- module
- arclight
- detection circuit
- current detection
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- Locating Faults (AREA)
Abstract
The utility model relates to a circuit protection device technical field, the utility model provides a cable termination arcing ground monitoring devices installs cable termination head on the cable termination tower, including electric arc light sensor, current detection circuit, microprocessor module and wireless communication transmission module, electric arc light sensor, current detection circuit and wireless communication transmission module all with microprocessor module electric connection, electric arc light sensor number is a plurality of, installs a plurality of position departments just first to cable termination on the cable termination tower respectively, and current detection circuit is the multichannel, connects the fastener department of the lead -out wire of each cable termination head on the cable termination tower respectively. The utility model discloses can compensate the not enough problem of the artifical regularly dynamics of patrolling and examining, the mode that adopts wireless transmission simultaneously can effectively reduce the problem of wiring, lets the extensive monitoring facilities's of this kind of distribution position installation obtain realizing.
Description
Technical field
This utility model relates to circuit protection device technical field, is specifically related to cable termination arcing ground monitoring device on a kind of outdoor terminal tower being wirelessly transferred warning information.
Background technology
High voltage power cable application in transmission system is more and more extensive, and cable termination tower grows with each passing day in order to link ceases to be busy and its quantity of buried cable.Cable termination tower once breaks down, and coverage is big, and therefore the operation maintenance of cable termination becomes a new challenge.If can not take in time effectively to monitor and protective measure, during cable terminal generation arc fault, often cause huge economic loss.
The monitoring technology of power system at present has the protection using arclight detection method to realize switch cubicle arc short-circuit fault, there is practical application.For being distributed in each power transmission cable two ends and the most scattered cable terminal of distributing position, current monitoring means is difficult to cover monitoring network completely.
Utility model content
In order to solve above-mentioned technical problem; this utility model provides a kind of cable termination arcing ground monitoring device; use arc signal as one of criterion of protection; stream information is crossed in conjunction with there will be when breaking down; the arc fault warning signal of cable termination that will collect; it is sent to operation maintenance personnel in real time; artificial timing can be made up and patrol and examine the problem that dynamics is not enough; use the mode being wirelessly transferred can effectively reduce the problem of wiring simultaneously, make the installation of this distributing position monitoring device widely accomplished.
To achieve these goals, this utility model be employed technical scheme comprise that, a kind of cable termination arcing ground monitoring device, including: arclight sensor, current detection circuit, microprocessor module and wireless communication transmissions module；Described arclight sensor, current detection circuit and wireless communication transmissions module are all electrically connected with microprocessor module, described arclight number of probes is multiple, it is respectively arranged on cable termination tower the multiple positions just to cable terminal, current detection circuit is multichannel, at the wire clamp of the lead-out wire of each cable terminal being connected on cable termination tower.
Further, described arclight sensor assembly is differential of the arc optical sensor, input signal is arclight, output signal is 5VTTL level, described differential of the arc optical sensor can arrange unlatching threshold value by RS485, for compared with the arclight signal that input detects, the arclight signal that input detects is when more than output 5VTTL level when opening threshold value, the result of each road arc photosensor is as first or the input of door L1, current detection circuit includes current transformer, the over-current signal of each cable terminal core of current transformer collection is converted into direct current signal by rectifier bridge, rectifier bridge is followed by mu balanced circuit, mu balanced circuit is followed by A/D converter.The result of each road current acquisition electric current and current signal conditioning circuit is as second or the input of door L2, first or door L1 operation result of arc-detection module and second or door L2 operation result of current detection circuit, as the input of the 3rd Yu door L3, the 3rd sends microprocessor module to door L3 operation result.
Further, described microprocessor model is PIC16F877A.
Further, described wireless communication transmissions module uses GPRS module, and warning signal is sent to the mobile phone of operation maintenance personnel in real time with short message.
Further, also include that power module, described arclight sensor, current detection circuit, microprocessor module and wireless communication transmissions terminal are powered by power module.
This utility model, by using technique scheme, compared with prior art, has the advantage that
The utility model discloses cable termination arcing ground monitoring device on a kind of outdoor terminal tower being wirelessly transferred warning information, including arclight sensor assembly, current detection circuit, microprocessor module, wireless communication module and power module；Described arclight sensor and current acquisition send alarm message by described radio transmitter to the personal mobile phone of operation maintenance personnel.This utility model sends the arcing fault signal of terminals on each outdoor terminal tower distant on geographical position to operation maintenance personnel by radio transmitter, it is achieved monitor in real time.Simultaneously as outdoor terminal tower is the transfer point of aerial line and cable, it is often positioned in city suburbs distributing position extensive, and quantity is on the increase in recent years, use the mode being wirelessly transferred to greatly reduce wiring.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present utility model；
Fig. 2 is arclight sensor and the installation site schematic diagram of current detection circuit of embodiment of the present utility model.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, this utility model is further illustrated.
As a specific embodiment, as depicted in figs. 1 and 2, cable termination arcing ground monitoring device, including arclight sensor 1, current detection circuit 2, microprocessor module 3 and wireless communication transmissions module 4；Described arclight sensor 1, current detection circuit 2 and wireless communication transmissions module 4 are all electrically connected with microprocessor 3 module, described arclight sensor 1 number is multiple, it is respectively arranged on cable termination tower the multiple positions just to cable terminal, and arclight sensor 1 is installed on cable termination steel tower just on the support of terminals.Current detection circuit 2 is multichannel, at the wire clamp of the lead-out wire of each cable terminal being connected on cable termination tower.
Described arclight sensor and result of the comparison thereof are real-time transmitted to operation maintenance personnel by wireless data transmission.Described arclight sensor assembly is differential of the arc optical sensor, input signal is arclight, output signal is 5VTTL level, described differential of the arc optical sensor can arrange unlatching threshold value by RS485, for compared with the arclight signal that input detects, the arclight signal that input detects is when more than output 5VTTL level when opening threshold value, the result of each road arc photosensor is as first or the input of door L1.
Current detection circuit includes current transformer, and the over-current signal of each cable terminal core of current transformer collection is converted into direct current signal by rectifier bridge, and rectifier bridge is followed by mu balanced circuit, and mu balanced circuit is followed by A/D converter.The result of each road current acquisition electric current and current signal conditioning circuit is as second or the input of door L2, first or door L1 operation result of arc-detection module and second or door L2 operation result of current detection circuit, as the input of the 3rd Yu door L3, the 3rd sends microprocessor module to door L3 operation result.
Described microprocessor model is PIC16F877A.Described microprocessor module sends warning signal to operation maintenance personnel by wireless communication module.
Wireless communication transmissions module 4 is GPRS DTU, and power module 5 is electrical connected, for each module for power supply with arclight sensor 1, current detection circuit 2, microprocessor 3 and wireless communication transmissions module (GPRS DTU) 4.
The operation principle of the present embodiment: during cable terminal generation arc fault on each cable termination tower, electric current increases suddenly, and produces arclight signal.Arclight probe on the tower-mounted angle steel being right against cable terminal detects arclight signal, is compared with the arclight signal pre-seted by arc photosensor, and sends comparative result to microprocessor.Being arranged on the current sensor of cable terminal outlet, the over-current signal detected is sent to microprocessor.Microprocessor produces warning signal according to current information during fault and arc light information, and is transferred to operation maintenance personnel by GPRS real-time radio.Operation maintenance personnel directly can receive alarm message on mobile phone, therefore can ensure that the real-time of signal, it is to avoid alarm process time is long, causes serious consequence.
Although specifically showing in conjunction with preferred embodiment and describing this utility model; but those skilled in the art should be understood that; in the spirit and scope of the present utility model limited without departing from appended claims; this utility model can be made a variety of changes in the form and details, be protection domain of the present utility model.
Claims (5)
1. a cable termination arcing ground monitoring device, it is characterised in that: include arclight sensor, current detection circuit, microprocessor module and wireless communication transmissions module；Described arclight sensor, current detection circuit and wireless communication transmissions module are all electrically connected with microprocessor module, described arclight number of probes is multiple, it is respectively arranged on cable termination tower the multiple positions just to cable terminal, current detection circuit is multichannel, at the wire clamp of the lead-out wire of each cable terminal being connected on cable termination tower.
nullA kind of cable termination arcing ground monitoring device the most according to claim 1，It is characterized in that: described arclight sensor assembly is differential of the arc optical sensor，Input signal is arclight，Output signal is 5VTTL level，Described differential of the arc optical sensor can arrange unlatching threshold value by RS485，For compared with the arclight signal that input detects，The arclight signal that input detects is when more than output 5VTTL level when opening threshold value，The result of each road arc photosensor is as first or the input of door L1，Current detection circuit includes current transformer，The over-current signal of each cable terminal core of current transformer collection is converted into direct current signal by rectifier bridge，Rectifier bridge is followed by mu balanced circuit，Mu balanced circuit is followed by A/D converter,The result of each road current acquisition electric current and current signal conditioning circuit is as second or the input of door L2，First or door L1 operation result of arc-detection module and second or door L2 operation result of current detection circuit，Input as the 3rd Yu door L3，3rd sends microprocessor module to door L3 operation result.
A kind of cable termination arcing ground monitoring device the most according to claim 1, it is characterised in that: described microprocessor model is PIC16F877A.
A kind of cable termination arcing ground monitoring device the most according to claim 1, it is characterised in that: described wireless communication transmissions module uses GPRS module, and warning signal is sent to the mobile phone of operation maintenance personnel in real time with short message.
A kind of cable termination arcing ground monitoring device the most according to claim 1, it is characterised in that: also include that power module, described arclight sensor, current detection circuit, microprocessor module and wireless communication transmissions terminal are powered by power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620161076.7U CN205539320U (en) | 2016-03-03 | 2016-03-03 | Cable termination arcing ground monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620161076.7U CN205539320U (en) | 2016-03-03 | 2016-03-03 | Cable termination arcing ground monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539320U true CN205539320U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620161076.7U Expired - Fee Related CN205539320U (en) | 2016-03-03 | 2016-03-03 | Cable termination arcing ground monitoring devices |
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| CN (1) | CN205539320U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767652A (en) * | 2017-11-28 | 2018-03-06 | 江苏南能电气有限公司 | It is a kind of to be popped one's head in based on the arc protection being wirelessly transferred |
| CN108448728A (en) * | 2018-04-23 | 2018-08-24 | 中山市福瑞特科技产业有限公司 | Current limliting arc quenching protection monitoring system |
| CN109633394A (en) * | 2019-01-21 | 2019-04-16 | 安徽升隆电气有限公司 | A kind of arc detector |
| CN110579690A (en) * | 2019-10-29 | 2019-12-17 | 厦门理工学院 | Positioning method for small current ground fault section of power distribution network |
| CN110907736A (en) * | 2019-12-06 | 2020-03-24 | 浩云科技股份有限公司 | Electrical safety monitoring system with multi-path electrical parameter monitoring and multi-path ignition detection |
-
2016
- 2016-03-03 CN CN201620161076.7U patent/CN205539320U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767652A (en) * | 2017-11-28 | 2018-03-06 | 江苏南能电气有限公司 | It is a kind of to be popped one's head in based on the arc protection being wirelessly transferred |
| CN108448728A (en) * | 2018-04-23 | 2018-08-24 | 中山市福瑞特科技产业有限公司 | Current limliting arc quenching protection monitoring system |
| CN109633394A (en) * | 2019-01-21 | 2019-04-16 | 安徽升隆电气有限公司 | A kind of arc detector |
| CN110579690A (en) * | 2019-10-29 | 2019-12-17 | 厦门理工学院 | Positioning method for small current ground fault section of power distribution network |
| CN110579690B (en) * | 2019-10-29 | 2021-11-23 | 厦门理工学院 | Positioning method for small current ground fault section of power distribution network |
| CN110907736A (en) * | 2019-12-06 | 2020-03-24 | 浩云科技股份有限公司 | Electrical safety monitoring system with multi-path electrical parameter monitoring and multi-path ignition detection |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190303 |
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| CF01 | Termination of patent right due to non-payment of annual fee |