CN208013360U - A kind of novel cable insulating sheath fault location probe and positioning device - Google Patents
A kind of novel cable insulating sheath fault location probe and positioning device Download PDFInfo
- Publication number
- CN208013360U CN208013360U CN201820511213.4U CN201820511213U CN208013360U CN 208013360 U CN208013360 U CN 208013360U CN 201820511213 U CN201820511213 U CN 201820511213U CN 208013360 U CN208013360 U CN 208013360U
- Authority
- CN
- China
- Prior art keywords
- probe
- cable
- fault location
- wrap sheet
- insulating sheath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model provides a kind of novel cable insulating sheath fault location probe and positioning device, for the positioning of the cable sheath insulation fault in pipeline, including：Probe body, wrap sheet and movable part, the wrap sheet is rotatably connected with probe body, the probe body and wrap sheet geared cable one side are and the matched arc in cable outer surface, the movable part is placed in probe body and wrap sheet, movable part can fit in cable surface, and can be along cable surface axial rolling.In the utility model, single unit system is package cable design, device volume is greatly reduced, bore is saved to space, reduces the incidence that gets stuck, simultaneously suitable for the comb or push pipe pipeline of different voltages grade, probe body and wrap sheet are arc, can be bonded cable surface, and then can be with cable sheath damage in insulation point contact, as movable part is along cable surface rolls forward, and then determine the insulating sheath breakpoint of pipeline inner cable.
Description
Technical field
The utility model is related to electric line service technique fields, more particularly to a kind of event of novel cable insulating sheath
Hinder positioning probe and positioning device.
Background technology
The insulation of cable sheath is most important to ensureing the normal operation of cable.Cable sheath insulation fault refers to cable
There is breakage failure in sheath.Cable sheath insulation fault location refers to the breaking point of determining cable sheath.Cable sheath insulation event
Barrier positioning is the key that repair cable sheath breaking point, high-voltage pulse-step voltage method is generally used, by cable metal
Sheath apply high-voltage pulse current, high-voltage pulse current by cable sheath breaking point to the earth generate leakage, and generate by
Weak oriented electric-force gradient is arrived by force, and step voltage detection device is recycled to measure the breakage that electric field peak is cable sheath
Point.Wherein, when step voltage refers to that earth fault occurs for electrical equipment, enter Potential distribution area row around place in earth current
The people walked, the voltage between bipod.
Currently, overhead cabling method generally has cable duct laying, directly buried installation, the laying of slot box, comb laying, push pipe laying
With cable tunnel laying etc. various ways.For cable duct laying, directly buried installation and the laying of slot box, using two root longs about 50cm's
The step voltage detection device of metal probe and sensitive galvanometer composition can effectively carry out being accurately positioned cable sheath insulation event
Barrier.However traditional step voltage test method lays in comb, is difficult to navigate to breaking point position in push pipe system of laying, one
Aspect is the insulating effect due to comb or push pipe, and the step voltage that pulse current generates can not reach ground, and metal probe exists
Ground can not detect signal, be on the other hand due to metal probe limited length, can not depth enter comb or push pipe with
Breaking point of the positioning in deep place in cable tube, and metal probe cannot be bonded cable well in push pipe or comb
Surface there are problems that breaking point can not be accurately positioned and time-consuming.
In existing technology, there are a kind of cable sheath insulation fault location probes, can be laid in comb, push pipe laying
Breaking point position is navigated in mode, but overall volume is excessive, occupies a large amount of bores to space, once it is met in pipe
More sandstone, the device are easy to happen the situation that gets stuck, once device gets stuck and can not exit, device is left permanently in pipe,
It will be as one of the hidden danger of influence cable running safety.
Utility model content
The utility model provides a kind of novel cable insulating sheath fault location probe and positioning device, solves existing
The excessive problem of device overall volume.
To solve the above problems, the utility model provides following technical scheme：
A kind of novel cable insulating sheath fault location probe, which is characterized in that including：Probe body, wrap sheet and work
Moving part, the wrap sheet are rotatably connected with probe body, and the probe body and wrap sheet geared cable are and cable on one side
The matched arc in outer surface, the movable part are placed in probe body and wrap sheet, and movable part can fit in cable surface, and energy
Prolong cable surface axial rolling.
In the utility model, single unit system is package cable design, greatly reduces device volume, saves bore to sky
Between, the incidence that gets stuck is reduced, while suitable for the comb or push pipe pipeline of different voltages grade, probe body and wrap sheet are arc
Shape is matched with cable surface, so can with cable sheath damage in insulation point contact, as movable part rolls forward along cable surface
It is dynamic, and then determine the insulating sheath breaking point of pipeline inner cable.
Preferably, the wrap sheet is two, being connected to the probe by first rotating shaft, the second shaft respectively leads
Body, two wrap sheets of setting can preferably be fitted in cable surface.
Further, novel cable insulating sheath fault location probe further includes positioned at the probe body and described
Elastic component between wrap sheet, the elastic component are set to first rotating shaft, inside the second shaft, and one end is connected to the probe master
Body, the other end are connected to the wrap sheet, and the wrap sheet is made to be shunk to the probe body cambered surface center of circle, by installing elastic portion additional
Part can make the utility model cable sheath insulation fault location probe more preferable to the fitting effect of cable.
Preferably, the movable part is multiple Metal Contact Rollers.Further, the Metal Contact Rollers are distributed in the probe
In main body and wrap sheet, make novel cable insulating sheath fault location probe that can smoothly prolong cable movement.
Preferably, poling can be connected by being provided in the probe body of the novel cable insulating sheath fault location probe
Part wears pipe connector, and then the movement of the novel cable insulating sheath fault location probe can be controlled by poling part.
A kind of cable sheath insulation fault location device, which is characterized in that including inspection flow device, poling part group, conducting wire and
Probe group, the probe group include the first probe and the second probe, and the first probe and the second probe are that above-mentioned cable sheath is exhausted
Reason hinder positioning probe, the poling part group include the first poling part and the second poling part, one end of the first poling part with
First probe connection, one end of the second poling part are connected with the second probe, the other end dew of the first poling part and the second poling part
Outside for cable channel, the inspection flow device is located at outside the cable channel, and the positive and negative anodes of the inspection flow device are described in
Conducting wire is connected with two cable sheath insulation fault location probes respectively.
The cable sheath insulation fault location device, cable sheath insulation fault location probe can enter in pipeline and move
It moves to different depth in pipe.Two cable sheath insulation fault location probes examine flow device positioned at two different locations of cable
The data such as electric current change and the size of current between two different locations are detected, so that it is determined that cable sheath insulation fault location
Whether probe position is breaking point.
Further, adjustment channel, adjustment are provided on the second probe of the cable sheath insulation fault location device
The second probe main body is run through in channel, and the first poling part passes through the poling popped one's head in first behind the adjustment channel on the second probe
Part interface connects, and can adjust the distance of the first probe and the second probe during the work time.
Preferably, on the novel cable insulating sheath fault location probe of the cable sheath insulation fault location device
It is provided with image-forming component, the image-forming component is set in the probe body of first probe.Image-forming component is for obtaining electricity
The image on cable surface, and then by the image feedback to external equipment, and then more intuitively determine position and the property of breaking point.
Compared with prior art, the utility model has the following technical effects：
The utility model cable sheath insulation fault location probe substantially reduces radial volume, and Metal Contact Rollers are rolled in cable surface
It is dynamic to advance, existing apparatus is avoided because overall volume is excessive, is occupied a large amount of bores to space and then is easy to happen the feelings that get stuck
Condition problem, to improve the efficiency of positioning breaking point.In addition, Metal Contact Rollers are rolled in cable surface, be conducive to reduce novel
Structural cable insulating sheath fault location is popped one's head in when moving in the duct and the friction of cable sheath；And it can be in the course of work
In, the distance of preceding second probe is adjusted, positioning accuracy is improved.
Description of the drawings
Fig. 1 is the structure chart of the cable sheath insulation fault location device of an embodiment；
Fig. 2 is the novel cable insulating sheath fault location probe the of cable sheath insulation fault location device shown in Fig. 1
The structural schematic diagram of one probe；
Fig. 3 is the novel cable insulating sheath fault location probe the of cable sheath insulation fault location device shown in Fig. 1
The structural schematic diagram of two probes；
Fig. 4, which is the novel cable insulating sheath fault location probe of cable sheath insulation fault location device shown in Fig. 1, to be made
Use state diagram；
In figure：10- novel cable insulating sheath fault location probe groups；20- poling part groups；30- conducting wires；40- inspection streams are set
It is standby；11- probe bodies；12- wrap sheets；13- movable parts；14- first rotating shafts；15 second shafts；16- wears pipe connector；17- tune
Whole channel；18- image-forming components；21- the first poling parts；22- the second poling parts.
Specific implementation mode
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To this
For field technology personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
With reference to Fig. 2 and Fig. 3, the novel cable insulating sheath fault location probe 10 of this preferred embodiment includes probe body
11, wrap sheet 12 and movable part 13, the wrap sheet 12 are rotatably connected with probe body 11, the probe body 11 and package
Piece 12 geared cable one side is to be placed in probe body 11 and wrap sheet 12 with the matched arc in cable outer surface, the movable part 13
On, movable part 13 can fit in cable surface, and can be along cable surface axial rolling.
In the present embodiment, single unit system is package cable design, greatly reduces device volume, saves bore to sky
Between, the incidence that gets stuck is reduced, while being suitable for the comb or push pipe pipeline of different voltages grade, probe body 11 and wrap sheet 12
For arc, cable surface can be bonded, so can with cable sheath damage in insulation point contact, as movable part 13 is along cable surface
Rolls forward, and then determine the insulating sheath breaking point of pipeline inner cable.
Specifically, wrap sheet 12 described in the present embodiment is two, connected respectively by first rotating shaft 14, the second shaft 15
In the probe body 11, two wrap sheets 12 of setting can closely be fitted in cable surface.
Specifically, probe body 11 described in the present embodiment, which states wrap sheet 12, is equipped with elastic component（Diagram does not mark）, described
Elastic component is set to first turn and takes out inside the 14, second shaft 15, and one end is connected to the probe body 11, and the other end is connected to institute
Wrap sheet 12 is stated, the wrap sheet 12 is made to be shunk to the 11 cambered surface center of circle of probe body, by installing elastomeric element additional, this can be made new
The fitting effect of type cable sheath insulation fault location 10 pairs of cables of probe is more preferable.In the present embodiment, elastic component is spring, can
To understand, in other embodiments, elastic component can be other elements.
Specifically, movable part 13 described in the present embodiment is Metal Contact Rollers, quantity is 8, is divided into 11 He of probe body
On wrap sheet, novel cable insulating sheath fault location probe 10 is allow smoothly to prolong cable sliding.It is appreciated that metal rolling
The quantity of wheel can be set as one or more according to actual needs.
Specifically, poling can be connected by being provided in the probe body 11 of the novel cable insulating sheath fault location probe
Part wears pipe connector 16, and then the shifting of the novel cable insulating sheath fault location probe can be controlled by poling part
It is dynamic.
Referring to Fig.1, the cable sheath insulation fault location device of this preferred embodiment, including the event of novel cable insulating sheath
Hinder positioning probe group 10, poling part group 20, conducting wire 30 and inspection flow device 40, for determining for the cable sheath insulation fault in pipeline
Position.
It is visited specifically, the cable sheath insulation fault location device probe group 10 of the present embodiment includes the first probe and second
Head, the first probe and the second probe are that above-mentioned novel cable insulating sheath fault location is popped one's head in.
Specifically, poling part group 20 described in the cable sheath insulation fault location device of the present embodiment includes the first poling part
21 and the second poling part 22, one end of the first poling part 21 connect with the pipe connector 16 of wearing of the first probe, the second poling
One end of part 22 is connect with the pipe connector 16 of wearing of the second probe, and the other end of the first poling part 21 and the second poling part 22 exposes
In outside cable channel, the inspection flow device 40 is located at outside the cable channel, and the positive and negative anodes of the inspection flow device 40 pass through institute
Conducting wire 30 is stated to connect with two cable sheath insulation fault location probes respectively.
The cable sheath insulation fault location device, cable sheath insulation fault location probe can enter in pipeline and move
It moves to different depth in pipe.Two cable sheath insulation fault location probes examine flow device positioned at two different locations of cable
The data such as electric current change and the size of current between two different locations are detected, so that it is determined that cable sheath insulation fault location
Whether probe position is breaking point.
Specifically, being provided with adjustment channel 17 on second probe, the probe master of the second probe is run through in adjustment channel 17
Body 11, poling part 20 are connect after passing through the adjustment channel 17 on the second probe with the pipe connector 16 of wearing of the first probe, thus
In the course of work, the distance of the first probe 21 and the second probe 22 is adjusted.
Specifically, it is provided with image-forming component 18 on the novel cable insulating sheath fault location probe of the present embodiment, it is described
Image-forming component 18 is set in the probe body 11 of first probe.Image-forming component 18 is used to obtain the image of cable surface,
And then by the image feedback to external equipment, and then more intuitively determine position and the property of breaking point.It is appreciated that at pixel
Part 18 can be the elements such as photographic device, camera arrangement.
The length that first poling part 21 or the second poling part 22 enter pipeline is cable sheath damage in insulation point to nozzle
Distance.So enter the length of pipeline by recording the first poling part 21 or the second poling part 22, you can learn cable sheath
Damage in insulation point avoids metal probe and is identified without length distance, can not directly measure breaking point to nozzle to the distance of nozzle
Apart from the problem of.
Inspection flow device 40 be located at outside pipeline, and inspection flow device 40 positive and negative anodes by conducting wire 30 respectively with two cable sheaths
Insulation fault location probe connection.Such two cable sheath insulation fault locations probe is located at two different locations of cable,
The data such as electric current change and the size of current that flow device 40 detects between two different locations are examined, so that it is determined that novel cable protects
Whether 10 positions of layer insulation fault location probe are breaking point.
Specifically, inspection flow device 40 is galvanometer in the present embodiment.So pop one's head in cable sheath insulation fault location
During pipeline, the electric current by examining flow device 40 changes the position that breaking point is determined with size of current.
The utility model cable sheath insulation fault location probe substantially reduces radial volume, and Metal Contact Rollers are rolled in cable surface
It is dynamic to advance, existing apparatus is avoided because overall volume is excessive, is occupied a large amount of bores to space and then is easy to happen the feelings that get stuck
Condition problem, to improve the efficiency of positioning breaking point.In addition, Metal Contact Rollers are rolled in cable surface, be conducive to reduce novel
Structural cable insulating sheath fault location is popped one's head in when moving in the duct and the friction of cable sheath；And it can be in the course of work
In, the distance of preceding second probe is adjusted, positioning accuracy is improved.
One embodiment of the present invention has been described in detail above, but the content be only the present invention preferable implementation
Example should not be construed as limiting the practical range of the present invention.All all the changes and improvements done according to the present patent application range
Deng patent covering scope of the present invention should all be belonged to.
Claims (10)
1. a kind of novel cable insulating sheath fault location probe, which is characterized in that including：Probe body, wrap sheet and activity
Part, the wrap sheet are rotatably connected with probe body, the probe body and wrap sheet geared cable one side for outside cable
The arc of surface matching, the movable part are placed in probe body and wrap sheet, and movable part can fit in cable surface, and can prolong
Cable surface axial rolling.
2. novel cable insulating sheath fault location according to claim 1 probe, which is characterized in that the wrap sheet is
Two, the probe body is connected to by first rotating shaft, the second shaft respectively.
3. novel cable insulating sheath fault location probe according to claim 2, which is characterized in that the novel cable
Insulating sheath fault location probe further includes the elastic component between the probe body and the wrap sheet, the elastic component
It is set to first rotating shaft, inside the second shaft, one end is connected to the probe body, and the other end is connected to the wrap sheet, makes
The wrap sheet is shunk to the probe body cambered surface center of circle.
4. novel cable insulating sheath fault location probe according to claim 1 or 3, which is characterized in that the activity
Part is Metal Contact Rollers.
5. novel cable insulating sheath fault location probe according to claim 4, which is characterized in that the Metal Contact Rollers
It is multiple.
6. novel cable insulating sheath fault location probe according to claim 4, which is characterized in that the Metal Contact Rollers
It is distributed on the probe body and wrap sheet.
7. novel cable insulating sheath fault location probe according to claim 6, which is characterized in that the novel cable
Be provided in the probe body of insulating sheath fault location probe can connect poling part wear pipe connector.
8. a kind of cable sheath insulation fault location device, which is characterized in that including inspection flow device, poling part group, conducting wire and spy
Head group；
The probe group includes the first probe and the second probe, and the first probe and the second probe are novel described in claim 7
Cable sheath insulation fault location is popped one's head in；
The poling part group includes the first poling part and the second poling part, and one end of the first poling part connects with the first probe
It connects, one end of the second poling part is connected with the second probe, and the other end of the first poling part and the second poling part is exposed to cable tube
Outside road；
The inspection flow device is located at outside the cable channel, and the positive and negative anodes of the inspection flow device by the conducting wire respectively with two
A cable sheath insulation fault location probe connection.
9. cable sheath insulation fault location device according to claim 8, which is characterized in that the spy of second probe
Adjustment channel is provided in head main body, the probe body of the second probe is run through in adjustment channel, and the first poling part passes through the second probe
On adjustment channel after with first probe pipe connector of wearing connect.
10. cable sheath insulation fault location device according to claim 8, which is characterized in that the novel cable shield
Image-forming component is provided on layer insulation fault location probe, the image-forming component is set to the probe body of first probe
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511213.4U CN208013360U (en) | 2018-04-11 | 2018-04-11 | A kind of novel cable insulating sheath fault location probe and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511213.4U CN208013360U (en) | 2018-04-11 | 2018-04-11 | A kind of novel cable insulating sheath fault location probe and positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013360U true CN208013360U (en) | 2018-10-26 |
Family
ID=63892565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820511213.4U Active CN208013360U (en) | 2018-04-11 | 2018-04-11 | A kind of novel cable insulating sheath fault location probe and positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208013360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254663A (en) * | 2018-04-11 | 2018-07-06 | 广东电网有限责任公司 | A kind of novel cable insulating sheath fault location probe and positioning device |
-
2018
- 2018-04-11 CN CN201820511213.4U patent/CN208013360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254663A (en) * | 2018-04-11 | 2018-07-06 | 广东电网有限责任公司 | A kind of novel cable insulating sheath fault location probe and positioning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3096478A (en) | Apparatus with conductive gas electrodes for detecting non-uniformity in electrically insulating and electrically semi-conducting materials | |
| CN104678257B (en) | A kind of pinpoint method of high voltage single-core cable protective layer failure | |
| CN208013360U (en) | A kind of novel cable insulating sheath fault location probe and positioning device | |
| JPH0344674B2 (en) | ||
| CN109782046B (en) | Method and system for measuring polarization potential of buried metal pipeline | |
| CN106530575B (en) | A kind of monitoring of transmission line of electricity distribution mountain fire and prior-warning device and method | |
| CN110006383A (en) | A kind of monitoring device suitable for landslide depth big displacement | |
| CN111579851B (en) | Buffer layer ablation current live detection system and method based on magnetic field effect | |
| CN201765876U (en) | Novel built-in fiber temperature measuring high-voltage crosslinked cable | |
| CN102971637B (en) | Method of locating an internal arc in a gas insulated line and associated device | |
| CN108254663A (en) | A kind of novel cable insulating sheath fault location probe and positioning device | |
| CN101245999B (en) | Non-excavated underground pipe line attitude angle measuring sensing head | |
| CN101661072A (en) | Online monitoring device and monitoring method of multipoint earthing of iron core of transformer | |
| JPH02171649A (en) | Method and apparatus for detecting defect of insulated cable | |
| CN104614644A (en) | High-voltage overhead transmission line icing diagnosis method | |
| CN106990327B (en) | High voltage single-core cable short trouble point detecting method | |
| CN110977926B (en) | Partial discharge positioning method, system and medium for cable tunnel inspection robot | |
| CN108562619A (en) | A kind of down-hole casing inner coating quality detection device and detection method | |
| US3284702A (en) | Apparatus for detecting coating holidays in metal pipeline walls utilizing helically wound pick-up coils and selfcontained power system | |
| CN204188747U (en) | Underground cable sheath position determination of fault device | |
| CN117074853A (en) | Single-core submarine cable sheath and armored grounding defect identification system and method | |
| CN201533159U (en) | Multi-point grounding online monitoring device of transformer iron core | |
| CN206038825U (en) | Cable sheath insulation fault positioning probe and cable sheath insulation fault positioning device | |
| Kone et al. | Experimental investigation of internal defect detection of a 69-kV composite insulator | |
| CN113555821A (en) | Cable laying multipoint speed uniformity acquisition and monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |