CN206649115U - A kind of EHV cable line insulation defect local discharge signal identification device - Google Patents
A kind of EHV cable line insulation defect local discharge signal identification device Download PDFInfo
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- CN206649115U CN206649115U CN201720423957.6U CN201720423957U CN206649115U CN 206649115 U CN206649115 U CN 206649115U CN 201720423957 U CN201720423957 U CN 201720423957U CN 206649115 U CN206649115 U CN 206649115U
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Abstract
Insulating monitoring technical field is the utility model is related to, especially a kind of EHV cable line insulation defect local discharge signal identification device；A kind of EHV cable line insulation defect local discharge signal identification device, including signal acquisition module, also include data transmission module and background administration module, the background administration module is connected by data transmission module with signal acquisition module signal, the signal acquisition module includes radome, the radome inwall is provided with insulating barrier, electromagnetic coupled sensor and cable in stock are provided with inside the radome, the utility model is provided with radome and wave filter, interference caused by reducing external electromagnetic field, improve the accuracy of detection, and it is provided with cable in stock, cable in stock can be switched in time when tested cable occurs abnormal, reduce power-off loss.
Description
Technical field
It the utility model is related to insulating monitoring technical field, more particularly to a kind of EHV cable line insulation defect part
Discharge signal identification device.
Background technology
With the development of high pressure and EHV cable line, crosslinked polyethylene (XLPE) power cable is with its rational technique
With structure, excellent electric property, mounting and installation be simple, operation maintenance work less, it is safe and reliable the characteristics of, in power system
More and more extensive application is obtained.The important step of high pressure, extra-high-tension cable system as urban electricity supply and main grid structure, at me
Very important status has been occupied in state's urban distribution network.The state-detection of these cable machineries how is realized, ensures cable machinery
Safe and reliable operation, it is the focus studied both at home and abroad at present.
Cable accessory, for example, transition joint be all at the scene under the conditions of manual manufacture install, its quality of insulation is often low
It is the weak link that insulated in cable system in cable body quality of insulation.Various the applying of the bad formation of transition joint construction technology
Work defect, make joint internal electric field skewness, cause the generation of shelf depreciation.Under power-frequency voltage, shelf depreciation will cause
The generation and extension of electricity tree in cable insulation, and accelerate the deterioration of insulation, ultimately result in insulation breakdown.
For this, someone devises the partial discharge monitoring device of high-tension cable, but detection means of the prior art does not have
Can not automatically switch cable in stock when having good antijamming capability, and breaking down, and cause damage.
Utility model content
The purpose of this utility model is to solve to have poor anti jamming capability in the prior art, it is impossible to cut-in stand-by cable
The shortcomings that, and a kind of EHV cable line insulation defect local discharge signal identification device proposed.
To achieve these goals, the utility model employs following technical scheme：
Design a kind of EHV cable line insulation defect local discharge signal identification device, including signal acquisition module,
Data transmission module and background administration module, background administration module are connected by data transmission module and signal acquisition module signal
Connect, the signal acquisition module includes radome, and the radome inwall is provided with insulating barrier, electricity is provided with inside the radome
Magnetic coupling sensor and cable in stock, the both ends of the cable in stock are equipped with joint, and the joint is located on cable under test, institute
State cable in stock and be provided with the first relay, the cable under test is provided with the second relay, and the electromagnetic coupled sensor is set
On the outside of cable under test, control box is provided with outside the radome, transformer, slave computer and filtering are provided with the control box
Device, the electromagnetic coupled sensor are connected by wire with wave filter, the wave filter, the first relay, the second relay and
Transformer is connected by wire with slave computer, and the transformer is connected with AC power by wire.
Preferably, the background administration module includes host computer, and the host computer is connected with backstage alarm mould by wire
Block, touching display screen, short message transceiving module and memory module, the backstage alarm module include warning lamp and buzzer.
Preferably, the data transmission module includes wireless transport module and wire transmission module, described to be wirelessly transferred mould
Block and wire transmission module are connected by wire with slave computer, and the wireless transport module and wire transmission module pass through net
Network is connected with host computer.
Preferably, the radome is the stainless steel cage of rectangle, and the insulating barrier is fire resistant epoxy phenolic resin plate.
The utility model proposes a kind of EHV cable line insulation defect local discharge signal identification device, beneficial to effect
Fruit is：The utility model is provided with radome and wave filter, interference caused by reducing external electromagnetic field, improves the accurate of detection
Property, and cable in stock is provided with, cable in stock can be switched in time when tested cable occurs abnormal, reduce power-off loss.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of EHV cable line insulation defect local discharge signal identification device
The structural representation of signal acquisition module；
Fig. 2 be the utility model proposes a kind of EHV cable line insulation defect local discharge signal identification device
System block diagram.
In figure：It is radome 1, joint 2, cable under test 3, electromagnetic coupled sensor 4, the first relay 5, control box 6, standby
Cable 7, insulating barrier 8, the second relay 9.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, a kind of EHV cable line insulation defect local discharge signal identification device, including signal acquisition
Module, data transmission module and background administration module, background administration module are believed by data transmission module and signal acquisition module
Number connection.Signal acquisition module is used to gather signal, data transmission module and background administration module be used for long range acquisition data and
Remote control.
Background administration module includes host computer, and host computer is connected with backstage alarm module, touching display screen, short by wire
Letter transceiver module and memory module, backstage alarm module include warning lamp and buzzer.Host computer person easy to operation remotely monitors,
Alarm module and short message transceiving module are easy under unusual condition notify related personnel to arrange maintenance in time, and memory module is used to store
Monitoring Data, it is easy to statistical analysis.
Data transmission module includes wireless transport module and wire transmission module, wireless transport module and wire transmission module
It is connected by wire with slave computer, wireless transport module and wire transmission module are connected by network with host computer.Using
The mode coordinated with wire transmission is wirelessly transferred, improves efficiency of transmission and accuracy rate.
Signal acquisition module includes radome 1, and the inwall of radome 1 is provided with insulating barrier 8, and radome 1 is that rectangle is stainless
Steel cage, insulating barrier 8 are fire resistant epoxy phenolic resin plate.The inside of radome 1 is provided with electromagnetic coupled sensor 4 and cable in stock 7,
The both ends of cable in stock 7 are equipped with joint 2, and joint 2 is located on cable under test 3, and cable in stock 7 is provided with the first relay 5, treats
Survey cable 3 and be provided with the second relay 9, electromagnetic coupled sensor 4 is located at the outside of cable under test 3, and the outside of radome 1 is provided with control
Box 6.Transformer, slave computer and wave filter are provided with control box 6, electromagnetic coupled sensor 4 is connected by wire with wave filter, filter
Ripple device, the first relay 5, the second relay 9 and transformer are connected by wire with slave computer, and transformer is connected by wire
There is AC power.Radome 1 is used for the interference for shielding external electromagnetic field, and insulating barrier 8 is used to be isolated from the outside cable under test 3,
Electromagnetic coupled sensor 4 is used for detection cable discharge signal, and wave filter is used for the influence for reducing electromagnetic interference, improves collection signal
Accuracy, by controlling the first relay 5 and the second relay 3 to realize the switching of cable in stock 7, reduce unusual condition and cause
Loss.
Embodiment：Signal acquisition module is used to gather signal, and data transmission module and background administration module are used for long-range
Collect data and remote control.Radome 1 is used to shielding the interference of external electromagnetic field, insulating barrier 8 be used to making cable under test 3 with it is outer
Portion isolates, and electromagnetic coupled sensor 4 is used for detection cable discharge signal, and wave filter is used for the influence for reducing electromagnetic interference, improved
The accuracy of signal is gathered, by controlling the first relay 5 and the second relay 3 to realize the switching of cable in stock 7, is reduced abnormal
Loss caused by situation.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (4)
1. a kind of EHV cable line insulation defect local discharge signal identification device, including signal acquisition module, data pass
Defeated module and background administration module, background administration module are connected by data transmission module with signal acquisition module signal, and it is special
Sign is：The signal acquisition module includes radome（1）, the radome（1）Inwall is provided with insulating barrier（8）, the screen
Cover cover（1）Inside is provided with electromagnetic coupled sensor（4）And cable in stock（7）, the cable in stock（7）Both ends be equipped with joint
（2）, the joint（2）It is located at cable under test（3）On, the cable in stock（7）It is provided with the first relay（5）, it is described to be measured
Cable（3）It is provided with the second relay（9）, the electromagnetic coupled sensor（4）It is located at cable under test（3）Outside, the shielding
Cover（1）Outside is provided with control box（6）, the control box（6）It is interior to be provided with transformer, slave computer and wave filter, the electromagnetic coupled
Sensor（4）It is connected by wire with wave filter, the wave filter, the first relay（5）, the second relay（9）And transformer
It is connected by wire with slave computer, the transformer is connected with AC power by wire.
2. a kind of EHV cable line insulation defect local discharge signal identification device according to claim 1, it is special
Sign is：The background administration module includes host computer, and the host computer is connected with backstage alarm module by wire, touch-control shows
Display screen, short message transceiving module and memory module, the backstage alarm module include warning lamp and buzzer.
3. a kind of EHV cable line insulation defect local discharge signal identification device according to claim 1, it is special
Sign is：The data transmission module includes wireless transport module and wire transmission module, the wireless transport module and wired
Transport module is connected by wire with slave computer, the wireless transport module and wire transmission module by network with it is upper
Machine connects.
4. a kind of EHV cable line insulation defect local discharge signal identification device according to claim 1, it is special
Sign is：The radome（1）For the stainless steel cage of rectangle, the insulating barrier（8）For fire resistant epoxy phenolic resin plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720423957.6U CN206649115U (en) | 2017-04-21 | 2017-04-21 | A kind of EHV cable line insulation defect local discharge signal identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720423957.6U CN206649115U (en) | 2017-04-21 | 2017-04-21 | A kind of EHV cable line insulation defect local discharge signal identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206649115U true CN206649115U (en) | 2017-11-17 |
Family
ID=60277046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720423957.6U Expired - Fee Related CN206649115U (en) | 2017-04-21 | 2017-04-21 | A kind of EHV cable line insulation defect local discharge signal identification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206649115U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765464A (en) * | 2018-12-14 | 2019-05-17 | 福建和盛高科技产业有限公司 | Partial discharge monitoring device in a kind of 10kV distribution cable transition joint |
| CN109765454A (en) * | 2019-01-16 | 2019-05-17 | 南京工程学院 | Wireless type cable duct cable intermediate joint device for monitoring running state |
| CN112530628A (en) * | 2020-11-25 | 2021-03-19 | 英博超算(南京)科技有限公司 | Cable structure with redundant structure, wiring system and communication method thereof |
| CN113324592A (en) * | 2021-06-30 | 2021-08-31 | 国网河北省电力有限公司信息通信分公司 | System, method, switching device and storage medium for pipe gallery monitoring |
-
2017
- 2017-04-21 CN CN201720423957.6U patent/CN206649115U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765464A (en) * | 2018-12-14 | 2019-05-17 | 福建和盛高科技产业有限公司 | Partial discharge monitoring device in a kind of 10kV distribution cable transition joint |
| CN109765454A (en) * | 2019-01-16 | 2019-05-17 | 南京工程学院 | Wireless type cable duct cable intermediate joint device for monitoring running state |
| CN112530628A (en) * | 2020-11-25 | 2021-03-19 | 英博超算(南京)科技有限公司 | Cable structure with redundant structure, wiring system and communication method thereof |
| CN113324592A (en) * | 2021-06-30 | 2021-08-31 | 国网河北省电力有限公司信息通信分公司 | System, method, switching device and storage medium for pipe gallery monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 Termination date: 20180421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |