CN107621592A - Leakage protection system based on ground end cable - Google Patents
Leakage protection system based on ground end cable Download PDFInfo
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- CN107621592A CN107621592A CN201710902372.7A CN201710902372A CN107621592A CN 107621592 A CN107621592 A CN 107621592A CN 201710902372 A CN201710902372 A CN 201710902372A CN 107621592 A CN107621592 A CN 107621592A
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- Prior art keywords
- cable
- overcoat
- cable body
- ground end
- module
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Abstract
The invention discloses the leakage protection system based on ground end cable, ground end is arranged on including cable body, also include being provided with overcoat on the outside of the cable body, there is gap between the cable body and overcoat, the overcoat carries out protection cut-off every 1km by division board, described division board one end is connected with overcoat inwall, the other end is connected with cable body outer wall, different alarm module and detection module are provided with the overcoat each separated, the signal that control centre's receiving alarm module is sent, cable running situation is monitored in real time, and after the alarm signal of alarm module is received, the transmission of electricity of cable body is disconnected.The various detection modules and alarm module set in gap among cable body and overcoat, timely cable situation can be detected, and send the data of detection to control centre in real time, allow the staff of control centre to understand the working condition of every section of cable.
Description
Technical field
The present invention relates to a kind of leakage protection system, and in particular to the leakage protection system based on ground end cable.
Background technology
Overhead transmission line powered operation fault rate is of a relatively high, operation and maintenance cost is higher, reliability is low, general in present city
And underground power cable power supply.But underground power cable insulating barrier is by destruction when there is leak current fault, with the side of routine
Method is difficult to judge drain conditions and position, special detection means need to be used to detect.Earth detector is generally with measurement cable
The method of grounding resistance, although this method science, accuracy of detection is high, needs professional to operate, and cumbersome.
The content of the invention
The technical problems to be solved by the invention are that to detect faulty section after the cable leakage of mother's ground end difficult, and cost
Higher, cable can't carry out effective earth leakage protective after electric leakage, and present invention aims at provide the leakage based on ground end cable
Electric protection system, solve the problems, such as above-mentioned.
The present invention is achieved through the following technical solutions：
Ground end, in addition to the cable body are arranged on based on the leakage protection system of ground end cable, including cable body
Outside is provided with overcoat, there is gap between the cable body and overcoat, and the overcoat is entered every 1km by division board
Row protection cut-off, described division board one end are connected with overcoat inwall, and the other end is connected with cable body outer wall, is each separated
Different alarm module and detection module, the signal that control centre's receiving alarm module is sent, to cable are provided with overcoat
Running situation is monitored in real time, and after the alarm signal of alarm module is received, the transmission of electricity of cable body is disconnected.Cable
The various detection modules and alarm module set in gap among body and overcoat, timely cable situation can be carried out
Detection, and the data of detection are sent to control centre in real time, allow the staff of control centre to understand the work of every section of cable
Situation, separated by the protection for the division board being arranged in overcoat, specifically which section overcoat so can be clearly judged
Go wrong, by control centre, can quick monitoring problem section, deal with time.And the double shielding knot used
Structure, install one layer of overcoat additional on the outside of original cable body, cable can be allowed to be operated for a long time in ground end, from mechanical wear
Destroy.
Further, the detection module includes current detection module and communication transmission module, the current detection module
Whether there is electric current in detector gap, sent a command to after electric current is detected by communication transmission module in alarm module.In electricity
Cable body rupture after, can detect there is electric current in gap by current detection module, after by communication transmission module will trigger
Instruction send, prompt cable leaked electricity.And can by the division board of setting, be apparent from be any section every
Gone wrong from plate.
Further, the alarm module receive detection module transmission instruction after, will detection data send to
In control centre.Alarm module just starts after the instruction of detection module is connected to, now in the gap of overcoat and cable body
There is electric current to pass through, it is possible to overcoat can be punctured and cause to leak electricity, now sent and alarmed to control centre by alarm module, can be with
Allow control centre to understand the drain conditions of cable, handle it.
Further, the division board uses elastomeric material.The effect one of division board is in order to which overcoat is separated, conveniently
It is determined that the cut cable for generation of being out of order, second, after cable leakage, prevents cable body from puncturing overcoat, cause to leak electricity, break
Bad whole piece cable.
Further, the overcoat inwall, cable body outer wall and division board outer surface are coated with wire enamel, described
The polyester-imide that wire enamel uses is material.It is because it has higher mechanical strength using wire enamel, can adapt to
Flexural deformation in laying, and with good heat resistance, impact resistance, oil resistivity, can be ruptured in cable body
Effectively protect overcoat not breakdown afterwards, and using polyester-imide as main material, it is enamel-covered wire to allow for polyester-imide
F levels material in paint, its heat resisting temperature can be up to 155 DEG C, the moment production when tackling the extreme geothermal environment of ground end or rupture
During raw heat energy, there is good effect.
The present invention compared with prior art, has the following advantages and advantages：
1st, the leakage protection system based on ground end cable of the invention, can in real time the running situation to ground end bottom cable and
Security situation is monitored；
2nd, the leakage protection system of the invention based on ground end cable, is sprayed, can effectively carry out insulation protection, is protected
It is not breakdown to protect overcoat.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Fig. 2 is sectional view schematic diagram of the present invention.
Mark and corresponding parts title in accompanying drawing：
1- cable bodies, 2- overcoats, 21- alarm modules, 22- detection modules, 3- division boards.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figure 1, 2, the leakage protection system of the invention based on ground end cable, including cable body 1 are arranged on ground end,
Also include the outside of cable body 1 and be provided with overcoat 2, there is gap between the cable body 1 and overcoat 2, it is described anti-
Sheath 2 carries out protection cut-off every 1km by division board 3, and described one end of division board 3 is connected with the inwall of overcoat 2, the other end with
The outer wall of cable body 1 is connected, and different alarm module 21 and detection module 22 are provided with the overcoat 2 each separated, is controlled
The signal that center receiving alarm module 21 is sent, is monitored, and receiving alarm module 21 in real time to cable running situation
Alarm signal after, the transmission of electricity of cable body 1 is disconnected.Cable body 1 and the various inspections set in the gap among overcoat 2
Module 22 and alarm module 21 are surveyed, timely cable situation can be detected, and the data of detection are sent to control in real time
Center processed, allow the staff of control centre to understand the working condition of every section of cable, pass through the division board being arranged in overcoat
Protection cut-off, so can clearly judge specifically which section overcoat goes wrong, can be quick by control centre
Monitoring problem section, deals with time.And the double-layered protecting structure used, one layer of installation is anti-on the outside of original cable body
Sheath, cable can be allowed to be operated for a long time in ground end, from the destruction of mechanical wear.
The detection module 22 includes current detection module and communication transmission module, the current detection module detector gap
Inside whether there is electric current, sent a command to after electric current is detected by communication transmission module in alarm module 21.In cable body
After rupture, can detect there is electric current in gap by current detection module, after by communication transmission module by the instruction of triggering
Send, prompt cable to leak electricity.And it can be apparent from being that the division board of which section goes out by the division board of setting
Existing problem.
The alarm module 21 sends detection data into control after the instruction of the transmission of detection module 22 is received
It is intracardiac.Alarm module just starts after the instruction of detection module is connected to, and now has electric current in the gap of overcoat and cable body
Pass through, it is possible to overcoat can be punctured and cause to leak electricity, now sent and alarmed to control centre by alarm module, can allow control
Center understands the drain conditions of cable, handles it.
The division board 3 uses elastomeric material.The effect one of division board is in order to which overcoat is separated, and conveniently determines event
Hinder the cut cable occurred, second, after cable leakage, prevent cable body from puncturing overcoat, cause to leak electricity, destroy whole piece electricity
Cable.The inwall of overcoat 2, the outer wall of cable body 1 and the outer surface of division board 3 are coated with wire enamel, and the wire enamel is adopted
Polyester-imide is material.It is because it has higher mechanical strength using wire enamel, can adapt in laying
Flexural deformation, and with good heat resistance, impact resistance, oil resistivity, can cable body rupture after effectively protect
Overcoat is not breakdown, and using polyester-imide as main material, it is F levels material in wire enamel to allow for polyester-imide
Material, its heat resisting temperature can be up to 155 DEG C, the heat energy caused by moment when tackling the extreme geothermal environment of ground end or rupture
When, there is good effect.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (5)
1. ground end is arranged on based on the leakage protection system of ground end cable, including cable body (1), it is characterised in that also include
Overcoat (2) is provided with the outside of the cable body (1), has gap between the cable body (1) and overcoat (2), it is described
Overcoat (2) carries out protection cut-off every 1km by division board (3), and described division board (3) one end connects with overcoat (2) inwall
Connect, the other end is connected with cable body (1) outer wall, and different alarm module (21) is provided with the overcoat (2) each separated
The signal sent with detection module (22), control centre's receiving alarm module (21), is monitored in real time to cable running situation,
And after the alarm signal of alarm module (21) is received, the transmission of electricity of cable body (1) is disconnected.
2. the leakage protection system according to claim 1 based on ground end cable, it is characterised in that the detection module
(22) include current detection module and communication transmission module, whether have electric current in the current detection module detector gap, examining
Sent a command to after measuring electric current by communication transmission module in alarm module (21).
3. the leakage protection system according to claim 1 based on ground end cable, it is characterised in that the alarm module
(21) after the instruction of detection module (22) transmission is received, detection data are sent to control centre.
4. the leakage protection system according to claim 1 based on ground end cable, it is characterised in that the division board (3)
Using elastomeric material.
5. the leakage protection system according to claim 1 based on ground end cable, it is characterised in that the overcoat (2)
Inwall, cable body (1) outer wall and division board (3) outer surface are coated with wire enamel, and the polyester that the wire enamel uses is sub-
Amine is material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902372.7A CN107621592A (en) | 2017-09-29 | 2017-09-29 | Leakage protection system based on ground end cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902372.7A CN107621592A (en) | 2017-09-29 | 2017-09-29 | Leakage protection system based on ground end cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107621592A true CN107621592A (en) | 2018-01-23 |
Family
ID=61090426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710902372.7A Withdrawn CN107621592A (en) | 2017-09-29 | 2017-09-29 | Leakage protection system based on ground end cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107621592A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389344A (en) * | 2018-04-24 | 2018-08-10 | 贵州首为电线电缆有限公司 | Anti-theft type electric wire |
| CN108594074A (en) * | 2018-04-28 | 2018-09-28 | 三电电缆股份有限公司 | A kind of cable automatic double surface gluer |
-
2017
- 2017-09-29 CN CN201710902372.7A patent/CN107621592A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389344A (en) * | 2018-04-24 | 2018-08-10 | 贵州首为电线电缆有限公司 | Anti-theft type electric wire |
| CN108594074A (en) * | 2018-04-28 | 2018-09-28 | 三电电缆股份有限公司 | A kind of cable automatic double surface gluer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180123 |
|
| WW01 | Invention patent application withdrawn after publication |