CN207636656U - A kind of cable sheath grounding circulation on-line monitoring equipment - Google Patents
A kind of cable sheath grounding circulation on-line monitoring equipment Download PDFInfo
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- CN207636656U CN207636656U CN201721658924.6U CN201721658924U CN207636656U CN 207636656 U CN207636656 U CN 207636656U CN 201721658924 U CN201721658924 U CN 201721658924U CN 207636656 U CN207636656 U CN 207636656U
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- sensor
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- monitoring device
- cable sheath
- line monitoring
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Abstract
The utility model discloses a kind of cable sheath grounding circulation on-line monitoring equipments, including：Monitoring device, takes electric transducer and server at data sampling sensor online；Wherein, the monitoring device includes babinet, and main control module, power module, communication module, AC-DC conversion module and bottom plate in babinet；The data sampling sensor and described electric transducer is taken to be connect with the monitoring device by air plug head on the outside of babinet online.
Description
Technical field
The utility model is related to electric system on-line monitoring of cable fields more particularly to a kind of cable sheath grounding circulation to exist
Line monitoring device.
Background technology
With China's economic fast development, electricity demand gradually increases, and the use ratio of power cable also gradually carries
It is high.In recent years, the high-tension cable of Guo Wang companies and the usage amount of attachment increased severely year by year, the high-tension cable that puts into operation every year and attached
The increased number of part is promoted from less than 10% to 15%~20%, therefore also brings heavy cable run maintenance work.
Show that destroying the cable fault for causing oversheath to damage and occur due to external force accounts for according to cable testing statistical result
58%.Single-core XPLE cable metal sheath in operation must some reliable grounds, power cable oversheath violence be laid with or
It can cause damage in insulation, thus exposing metal sheath by chemical attack, physical damage etc. after long-play, cause protective metal shell
Multipoint earthing, circulation significantly increases on protective metal shell at this time.By monitoring protective metal shell circulation extremely variable quantity in real time, you can real
The on-line monitoring of existing single-core cable protective metal shell multipoint earth faults.If lacking effective monitoring machine of power cable operational safety
It makes, cable fault is difficult to find in time, may cause sudden accident.
Voltage Cable Lines Construction is usually laid in raceway groove or tunnel, lays bad environments, and be unfavorable for the transmission of signal,
Therefore, cable sheath grounding circulation on-line monitoring equipment is applied to severe installation environment, waterproof, moisture-proof, dust-proof effect
Fruit, safety, repair convenience are all particularly important.Currently, grounding circulation on-line monitoring equipment generally existing is short of, cannot be satisfied
Live practical application request.
Utility model content
The purpose of this utility model is to provide a kind of cable sheath grounding circulation on-line monitoring equipment, can be used for monitoring cable
Running current and circulating current come judge cable jacket insulation state and and alarm, improve the efficiency of line upkeep work
And timeliness.
The utility model is using technical solution：
A kind of cable sheath grounding circulation on-line monitoring equipment, including：Monitoring device, takes data sampling sensor online
Electric transducer and server.Wherein, the monitoring device includes babinet, and the main control module in babinet, power supply mould
Block, communication module, AC-DC conversion module and bottom plate；The data sampling sensor and described electric transducer is taken to pass through case online
External crabbing plug is connect with the monitoring device, and the data sampling sensor feeds back to collected cable circulation signal
The monitoring host, the monitoring device is by the communication module by the collected cable circulation of the data sampling sensor
Signal transmission is to the server.
In the utility model, monitoring device is passed with data aggregation server using wired or wireless signal communication mode
It is defeated.
Further, the data sampling sensor is flexible Luo-coil current sensor, and light weight can be pacified with deformation
Dress, it is safe.
Further, the data sampling sensor is divided into circulation acquisition sensor according to function and load acquires sensor,
It is installed on being directly grounded at place or cross connection grounding for every time monitored circuit, circulation acquisition sensor is for measuring high-voltage electricity
Cable earth current, load acquisition sensor is for measuring high-tension cable load.
Further, described to take electric transducer for CT amperometric sensors online, it is installed at cable body.
Further, the AC-DC conversion module is respectively acting on 6 circulation acquisition sensors and 2 load acquisition sensings
Device.
Cable sheath grounding circulation on-line monitoring equipment described in the utility model has following advantages：
(1) system host cabinet described in the utility model is small, light-weight, convenient for suspension installation, mainframe box interface with
Data cable connector using waterproof aviation plug head dock, mainframe box can be made independently to be separated with sensor, on the one hand convenient for the later stage install and
It replaces, on the other hand can work normally in wet condition for a long time, meet IP67 protection level requirements.
(2) data sampling sensor described in the utility model be flexible Luo-coil as sensor, answered for domestic initiation
It is detected for grounding circulation, reduces the electric current no-load voltage ratio of data sampling sensor, and establish sensor parameters correction model,
System accuracy is improved, grounding circulation detection can be efficiently applied to.
Description of the drawings
Fig. 1 is the structural schematic diagram of cable sheath grounding circulation on-line monitoring equipment described in the utility model.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to the utility model.
Attached drawing 1 shows the structural schematic diagram of cable sheath grounding circulation on-line monitoring equipment.As shown in Fig. 1, described
Cable sheath grounding circulation on-line monitoring equipment include data sampling sensor 1, take electric transducer 2 online, server 3, prison
Device is surveyed, monitoring device includes outer container 4, power interface 5, Ethernet interface 6, optical fiber interface 7, circulation sensor interface 8 (including
6 interfaces), load sensor interface 9 (including 2 interfaces), circuit substrate 10, main control module 11, power module 12, communication
Module 13, AC-DC conversion module 14.
Data sampling sensor 1 (including 8 acquisition sensors 1 altogether) is divided into circulation sensor and load sensor, described
Monitoring device is connected with circulation sensor by circulation sensor interface 8, and the monitoring device passes through load with load sensor
Sensor interface 9 is connected；With take electric transducer 2 to be connected by power interface 5 online.The monitoring device passes through the communication mould
Block 13 is by 1 collected cable circulation signal transmission of the data sampling sensor to the server 3.
The utility model monitoring device and the data communication method of server 3 can be used Ethernet connect, optical fiber connection and
It is wirelessly connected.The Ethernet interface 6 connects ethernet line, realizes data communication.The optical fiber interface 7 connects optical fiber, so as to
Carry out optical-fibre communications.
The circulation sensor acquisition cable circulation signal being connected with circulation sensor interface 8, with 9 phase of load sensor interface
Load sensor even acquires cable load signal.Normal conditions, cable circulation signal are maintained with cable load signal ratio
Fluctuation in one smaller range, by monitoring cable circulation signal, cable load signal and ratio, cable sheath grounding circulation
On-line monitoring equipment can be carried out to cable sheath state and alarm.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (5)
1. a kind of cable sheath grounding circulation on-line monitoring equipment, which is characterized in that including：Monitoring device, data acquisition sensing
Device takes electric transducer and server online；Wherein, the monitoring device includes babinet, and the master control mould in babinet
Block, power module, communication module, AC-DC conversion module and bottom plate；The data sampling sensor and described take fax online
Sensor is connect by air plug head on the outside of babinet with the monitoring device.
2. a kind of cable sheath grounding circulation on-line monitoring equipment according to claim 1, it is characterised in that：The data
Acquisition sensor is flexible Luo-coil current sensor.
3. a kind of cable sheath grounding circulation on-line monitoring equipment according to claim 1, it is characterised in that：It is described online
It is CT amperometric sensors to take electric transducer.
4. a kind of cable sheath grounding circulation on-line monitoring equipment according to claim 1, it is characterised in that：The data
Acquisition sensor is divided into circulation sensor and load sensor.
5. a kind of cable sheath grounding circulation on-line monitoring equipment according to claim 4, it is characterised in that：The monitoring
Device is connected with circulation sensor by circulation sensor interface, and the monitoring device passes through load sensor with load sensor
Interface be connected, the monitoring device with take electric transducer to be connected by power interface online.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658924.6U CN207636656U (en) | 2017-12-04 | 2017-12-04 | A kind of cable sheath grounding circulation on-line monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658924.6U CN207636656U (en) | 2017-12-04 | 2017-12-04 | A kind of cable sheath grounding circulation on-line monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207636656U true CN207636656U (en) | 2018-07-20 |
Family
ID=62854967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721658924.6U Active CN207636656U (en) | 2017-12-04 | 2017-12-04 | A kind of cable sheath grounding circulation on-line monitoring equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239442A (en) * | 2020-02-17 | 2020-06-05 | 杭州巨骐信息科技股份有限公司 | Cable sheath grounding circulation on-line monitoring device |
| CN111366772A (en) * | 2020-03-25 | 2020-07-03 | 四川信息职业技术学院 | Cable sheath circulation collection system based on CT gets electricity |
| CN112067946A (en) * | 2020-09-17 | 2020-12-11 | 郑州中聖电子科技有限公司 | Cable sheath fault monitoring device and method for broadcasting synchronous signals by multiple Rogowski coils |
| CN112147400A (en) * | 2020-09-27 | 2020-12-29 | 郑州中聖电子科技有限公司 | Accurate cable load acquisition device and method |
| CN112379207A (en) * | 2020-11-26 | 2021-02-19 | 国网福建省电力有限公司检修分公司 | Comprehensive monitoring device for state of sheath cable and stealing and cutting monitoring method |
| CN113640574A (en) * | 2020-04-27 | 2021-11-12 | 南京南瑞继保电气有限公司 | Tunnel cable sheath grounding circulation on-line monitoring device and monitoring method |
-
2017
- 2017-12-04 CN CN201721658924.6U patent/CN207636656U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239442A (en) * | 2020-02-17 | 2020-06-05 | 杭州巨骐信息科技股份有限公司 | Cable sheath grounding circulation on-line monitoring device |
| CN111366772A (en) * | 2020-03-25 | 2020-07-03 | 四川信息职业技术学院 | Cable sheath circulation collection system based on CT gets electricity |
| CN113640574A (en) * | 2020-04-27 | 2021-11-12 | 南京南瑞继保电气有限公司 | Tunnel cable sheath grounding circulation on-line monitoring device and monitoring method |
| CN112067946A (en) * | 2020-09-17 | 2020-12-11 | 郑州中聖电子科技有限公司 | Cable sheath fault monitoring device and method for broadcasting synchronous signals by multiple Rogowski coils |
| CN112147400A (en) * | 2020-09-27 | 2020-12-29 | 郑州中聖电子科技有限公司 | Accurate cable load acquisition device and method |
| CN112379207A (en) * | 2020-11-26 | 2021-02-19 | 国网福建省电力有限公司检修分公司 | Comprehensive monitoring device for state of sheath cable and stealing and cutting monitoring method |
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