CN107274981A - A kind of detection method of the artificial mains network tested for cable accessory and cable accessory - Google Patents
A kind of detection method of the artificial mains network tested for cable accessory and cable accessory Download PDFInfo
- Publication number
- CN107274981A CN107274981A CN201710551888.1A CN201710551888A CN107274981A CN 107274981 A CN107274981 A CN 107274981A CN 201710551888 A CN201710551888 A CN 201710551888A CN 107274981 A CN107274981 A CN 107274981A
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- CN
- China
- Prior art keywords
- mains network
- artificial mains
- male
- connection
- female
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/06—Single tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The invention provides the detection method of a kind of artificial mains network tested for cable accessory and cable accessory, its artificial mains network includes artificial mains network body, the artificial mains network body includes being provided with venting channels in the middle part of conductor, insulating protective layer and screen layer, the conductor of the artificial mains network body from inside to outside successively；It is described to include the first artificial mains network component and the second artificial mains network component for the artificial mains network that cable accessory is tested, the first artificial mains network component includes the first artificial mains network body and connection male, the second artificial mains network component includes the second artificial mains network body and the connection female coordinated with the connection male, and the connection male is provided with male gas passage and male gas vent；The connection female is provided with female gas passage and female gas vent.It using technical scheme, i.e., can be equal to the structure function of actual cable, the easy disassembly of product testing is realized again, improve the efficiency of product export experiment, manufacturing cost is relatively low.
Description
Technical field
The invention belongs to cable accessory technical field, more particularly to a kind of artificial mains network and electricity tested for cable accessory
The detection method of cable fittings.
Background technology
Current medium-pressure power cable annex is main based on cold shrinking power cable adjunct, and existing cable accessory industry, midium voltage cable is attached
Part carries out electrical test after mainly being installed using the power cable of standard, standard power cable conductor is that copper wire or aluminium wire are twisted
The closely knit cylinder closed, insulate for crosslinked polyethylene.The in-site installation mode of the midium voltage cable annex is to use factory's predilation
Plastic support cylinder is added, plastic support cylinder completion is extracted after allowing out at the scene.But cold shrinking power cable adjunct expands due to can not often repeat
, cause product export experiment to be difficult to, or the cost of experiment is very high.Cold shrinking power cable adjunct is done in present industry to dispatch from the factory
Experiment, main using being tested in a small amount of product actual installation of sampling observation to real power cable, product is directly reported after experiment
Useless processing.Existing cold shrinking power cable adjunct needs to match somebody with somebody with cable interference due to its reasons in structure on standard power cable
Close, so finish after experiment, it is difficult to take out, so generally delivery test is to extract to be arranged on a small quantity on cable to be tested,
After the completion of experiment, annex is directly scrapped.Substantial amounts of delivery test full inspection work can not be carried out using existing standard power cable,
And installation difficulty is big, experimentation cost is high.Although in addition, existing standard power cable can meet the installation examination of cable accessory
Test, but require that cable specification is more, but needed length is again little, and the buying for cable causes difficulty, causes cable accessory to go out
Factory's experimentation cost is high.
The content of the invention
For above technical problem, the invention discloses a kind of artificial mains network and cable accessory tested for cable accessory
Detection method, for midium voltage cable annex delivery test, i.e., can be equal to the structure function of actual cable, and production can be realized
The dismounting of product experiment, improves the efficiency of product export experiment, reduces experimentation cost.
In this regard, the technical solution adopted by the present invention is：
A kind of artificial mains network tested for cable accessory, it includes artificial mains network body, the artificial mains network body from
It is interior to include being provided with venting channels in the middle part of conductor, insulating protective layer and screen layer, the conductor of the artificial mains network body successively to outer；
It is described to include the first artificial mains network component and the second artificial mains network component for the artificial mains network that cable accessory is tested,
The first artificial mains network component includes the first artificial mains network body and connection male, one end of the first artificial mains network body
With being connected male connection, the other end of the first artificial mains network body is provided with fixedly connected part；The second artificial mains network structure
Part includes the second artificial mains network body and the connection female coordinated with the connection male, the one of the second artificial mains network body
End is provided with fixedly connected part with being connected female connection, the other end of the second artificial mains network body；The connection male is provided with
Male gas passage and male gas vent, the male gas passage are connected with the venting channels of the first artificial mains network body,
The male gas vent is connected with male gas passage；
The connection female is provided with female gas passage and female gas vent, the female gas passage and the second emulation
The venting channels connection of cable body, the female gas vent is connected with female gas passage.Wherein, it is described connection male and
Connection female is conductive material.
Using this technical scheme, cable accessory test is being carried out, by the first artificial mains network component and the second artificial mains network structure
Part is connected to form artificial mains network by connecting male and connection female, and it is enterprising that cable accessory then is arranged on into artificial mains network
Row test, it is easy for installation；Venting channels are designed by the heart in the conductor, led to during installation and removal annex from the ventilation at conductor center
Nitrogen is filled with road, annex is propped up by nitrogen pressure and realizes quick despatch, it is easy for installation, and annex will not be damaged.Moreover,
Artificial mains network can be recycled and reused for test, greatly reduce cost.
As a further improvement on the present invention, the female gas vent is located at the head of female gas passage, the public affairs
Head gas vent is located at the head of male gas passage.During installation, the connection female is with being connected after male cooperation, female gas
Gap is left between outlet and male gas vent, so, when being passed through nitrogen, is easy to gas overflowing to prop up annex.
As a further improvement on the present invention, the material of the insulating protective layer is epoxy resin.Using this technical scheme,
Different from the insulating protective layer of normal cable, the insulating protective layer of normal cable is flexible material, and the artificial mains network of the present invention
The installation of cable accessory, there is provided good supporting degree, so, is easy to using hardness height after epoxy resin cure.
As a further improvement on the present invention, the surface of the conductor is provided with conductive elastomer layer, the electrically conductive elastic
Material layer is connected with insulating protective layer.Using this technical scheme, conductor and insulating protective layer is set to form good combination.Wherein,
The conductive elastomer layer is flexible conductive material.
As a further improvement on the present invention, the surface of the conductor is coated with composite conducting bullet after blasting treatment
Property material layer.Using this technical scheme, after being surface-treated to the surface of conductor and there is composite conducting elasticity in Surface coating
Material layer, makes the combination of conductor and insulating protective layer such as epoxy insulation obtain more preferably.
As a further improvement on the present invention, the head of the connection male is provided with connector, the connection female
Portion is provided with groove, the connector and groove clamping or is connected through a screw thread.Using this technical scheme, easy installation and removal connects
Connect reliable.Further, the female gas vent is located in groove, and the male gas vent is located at connector head, when
Connector and groove clamping or when being connected through a screw thread, leave gap between female gas vent and male gas vent, are easy to
Gas overflows from the junction of connector and groove.
As a further improvement on the present invention, the material of the screen layer is conductive epoxy resin.
The invention also discloses a kind of detection method of cable accessory, using attached for cable described in as above any one
The artificial mains network of part experiment is detected that it comprises the following steps：
Step S1, by the connection male of the first artificial mains network component and the connection female phase interworking of the second artificial mains network component
Conjunction forms complete artificial mains network；
Step S2, shrinkage or pre-fabricated electric cables annex are installed on artificial mains network, filled during installation from the venting channels of conductor
Enter nitrogen or inert gas, annex propped up to the two ends that shrinkage or pre-fabricated electric cables terminal are arranged on to artificial mains network by air pressure,
The centre of shrinkage or pre-fabricated electric cables is arranged on to the connection male of artificial mains network and the position of connection female connection, stops inflation,
Conductor connects high-tension apparatus source and carries out delivery test, and after the completion of detection, nitrogen or inert gas are filled with from the venting channels of conductor, leads to
Air pressure is crossed to prop up annex to carry out dismounting shrinkage or pre-fabricated electric cables annex.
Compared with prior art, beneficial effects of the present invention are：
First, a kind of artificial mains network tested for cable accessory of the invention, for midium voltage cable annex delivery test,
The structure function of actual cable can be equal to, the dismounting of product testing can be realized again, the efficiency of product export experiment is improved；
And it is compact conformation, simple, it is easy for installation, it is adapted to factory normalization production, manufacturing cost is relatively low；It is cold that middle pressure is solved well
Contracting or pre-fabricated electric cables annex delivery test installation difficulty, test efficiency are low, the problem of cost is high.
Second, using this technical scheme, conductor is designed to hollow high-pressure conductor, with insulating protection by surface treatment
Layer such as epoxy insulation layer forms good combination, and when ensureing access high pressure, cable partial discharge level keeps good situation, and
High pressure nitrogen can also be accessed or inert gas carries out relief cable annex installation；Coordinated simultaneously by male and female head, solve electricity
The problem of Fast Installation and high-field electrode of cable fittings (transition joint) are connected.
3rd, the product excellent electrical properties of technical scheme meet national standard electrical performance demands, completely
Meet the use requirement of cable accessory experiment.
Brief description of the drawings
Fig. 1 is the structural representation of the first artificial mains network component of an embodiment of the present invention.
Fig. 2 is the structural representation of the second artificial mains network component of an embodiment of the present invention.
Fig. 3 is the cross section structure schematic diagram of the artificial mains network body of an embodiment of the present invention.
Fig. 4 is that the first artificial mains network component and the second artificial mains network component of an embodiment of the present invention connect and compose emulation
The structural representation of cable.
Fig. 5 is that an embodiment of the present invention installs the structural representation that cable accessory is detected in artificial mains network.
Reference includes：1- artificial mains network bodies, 11- conductors, 12- insulating protective layers, 13- screen layers, 14- ventilations are logical
Road, 15- composite conducting elastomeric layers；2- the first artificial mains network components, 3- the second artificial mains network components, 4- shrinkages or prefabricated electricity
The center section of cable terminal, 5- shrinkages or pre-fabricated electric cables, 100- the first artificial mains network bodies, 200- connection males, 210- males
Gas passage, 220- connectors, 300- fixedly connected parts, 400- the second artificial mains network bodies, 500- connection females, 510- females
Gas passage, 520- grooves.
Embodiment
The preferably embodiment to the present invention is described in further detail below.
As shown in Fig. 1~Fig. 5, a kind of artificial mains network tested for cable accessory, it includes artificial mains network body 1, institute
State artificial mains network body 1 includes conductor 11, insulating protective layer 12 and screen layer 13, the artificial mains network body successively from inside to outside
1 middle part of conductor 11 is provided with venting channels 14；
It is described to include the first artificial mains network component 2 and the second artificial mains network component for the artificial mains network that cable accessory is tested
3, the first artificial mains network component 2 includes the first artificial mains network body 100 and connection male 200, first artificial mains network
One end of body 100 is connected with being connected male 200, and the other end of the first artificial mains network body 100 is provided with fixedly connected part
300；The second artificial mains network component 3 includes the second artificial mains network body 400 and the connection coordinated with the connection male 200
Female 500, one end of the second artificial mains network body 400 is connected with being connected female 500, the second artificial mains network body
400 other end is provided with fixedly connected part 300；The connection male 200 goes out provided with male gas passage 210 and male gas
Mouthful, the male gas passage 210 is connected with the venting channels 14 of the first artificial mains network body 100, the male gas vent
Connected with male gas passage 210；
The connection female 500 is provided with female gas passage 510 and female gas vent, the female gas passage 510
Connected with the venting channels 14 of the second artificial mains network body 400, the female gas vent is connected with female gas passage 510.
The material of the insulating protective layer 12 is epoxy resin.The surface of the conductor 11 is after blasting treatment, cladding
There is composite conducting elastomeric layer 15, the composite conducting elastomeric layer 15 is connected with insulating protective layer 12.The screen layer
13 material is conductive epoxy resin.
The head of the connection male 200 is provided with connector 220, and the middle part of the connection female 500 is provided with groove 520,
The connector 220 is connected through a screw thread with groove 520.
As shown in Figure 4 and Figure 5, detection bag is carried out to cable accessory using the above-mentioned artificial mains network tested for cable accessory
Include following steps：
Step S1, by the connection female of the artificial mains network component 3 of connection male 200 and second of the first artificial mains network component 2
500 complement each other to form complete artificial mains network；
Step S2, shrinkage or pre-fabricated electric cables annex are installed on artificial mains network, from the venting channels of conductor 11 during installation
14 are filled with nitrogen, annex are propped up to the two ends that shrinkage or pre-fabricated electric cables terminal 4 are arranged on to artificial mains network by air pressure, by shrinkage
Or the center section 5 of pre-fabricated electric cables is arranged on the position that the connection male 200 and connection female 500 of artificial mains network are connected, and stops
Inflation, conductor 11 connects high-tension apparatus source and carries out delivery test, and after the completion of detection, nitrogen is filled with from the venting channels 14 of conductor 11,
Annex is propped up by air pressure to carry out dismounting shrinkage or pre-fabricated electric cables annex.
Using the present invention program, nitrogen is filled with from the venting channels at conductor center during installation and removal annex, passes through nitrogen
Gas air pressure, which props up annex, realizes quick despatch, easy for installation, and will not damage annex.
By taking the cable accessory test of 8.7/15kV systems as an example, using the artificial mains network of the present invention with being surveyed using common cable
The Comparative result of examination is as shown in table 1.
Table 1
Contrast by table 1 is visible, using the artificial mains network of the present invention with carrying out electricity using the conventional common cable installed
The test of cable fittings, carries out having tested the basic indifference of result with being tested using common cable using artificial mains network, full
The requirement of sufficient standard.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (8)
1. a kind of artificial mains network tested for cable accessory, it is characterised in that：It includes artificial mains network body, the emulation electricity
Cable body includes being provided with the middle part of conductor, insulating protective layer and screen layer, the conductor of the artificial mains network body from inside to outside successively
Venting channels；
It is described to include the first artificial mains network component and the second artificial mains network component for the artificial mains network that cable accessory is tested, it is described
First artificial mains network component includes the first artificial mains network body and connection male, one end of the first artificial mains network body and company
Male connection is connect, the other end of the first artificial mains network body is provided with fixedly connected part；The second artificial mains network component bag
Include the second artificial mains network body and with it is described connection male coordinate connection female, one end of the second artificial mains network body with
Female connection is connected, the other end of the second artificial mains network body is provided with fixedly connected part；
The connection male is provided with male gas passage and male gas vent, the male gas passage and the first artificial mains network
The venting channels connection of body, the male gas vent is connected with male gas passage；
The connection female is provided with female gas passage and female gas vent, the female gas passage and the second artificial mains network
The venting channels connection of body, the female gas vent is connected with female gas passage.
2. the artificial mains network according to claim 1 tested for cable accessory, it is characterised in that：The insulating protective layer
Material be epoxy resin.
3. the artificial mains network according to claim 1 tested for cable accessory, it is characterised in that：The surface of the conductor
Provided with conductive elastomer layer, the conductive elastomer layer is connected with insulating protective layer.
4. the artificial mains network according to claim 3 tested for cable accessory, it is characterised in that：The surface of the conductor
After blasting treatment, composite conducting elastomeric layer is coated with.
5. the artificial mains network according to claim 1 tested for cable accessory, it is characterised in that：The connection male
Head is provided with connector, and the middle part of the connection female is provided with groove, the connector and groove clamping or is connected through a screw thread.
6. it is used for the artificial mains network that cable accessory is tested according to claim 1 ~ 5 any one, it is characterised in that：It is described
The material of screen layer is conductive epoxy resin.
7. it is used for the artificial mains network that cable accessory is tested according to claim 1 ~ 5 any one, it is characterised in that：It is described
Female gas vent is located at the head of female gas passage, and the male gas vent is located at the head of male gas passage；Institute
Connection female is stated with being connected after male cooperation, gap is left between the female gas vent and male gas vent.
8. a kind of detection method of cable accessory, it is characterised in that：It is used for electricity using as described in claim 1 ~ 7 any one
The artificial mains network of cable fittings experiment is detected that it comprises the following steps：
Step S1, by the connection male of the first artificial mains network component and the connection female mutual cooperation shape of the second artificial mains network component
Into complete artificial mains network；
Step S2, shrinkage or pre-fabricated electric cables annex are installed on artificial mains network, nitrogen is filled with from the venting channels of conductor during installation
Gas or inert gas, prop up annex by air pressure at the two ends that shrinkage or pre-fabricated electric cables terminal are arranged on to artificial mains network, will be cold
The centre of contracting or pre-fabricated electric cables is arranged on the connection male of artificial mains network and the position of connection female connection, stops inflation, conductor
Connect high-tension apparatus source and carry out delivery test, after the completion of detection, be filled with nitrogen or inert gas from the venting channels of conductor, pass through gas
Pressure props up annex to carry out dismounting shrinkage or pre-fabricated electric cables annex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551888.1A CN107274981B (en) | 2017-07-07 | 2017-07-07 | Simulation cable for cable accessory test and detection method of cable accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551888.1A CN107274981B (en) | 2017-07-07 | 2017-07-07 | Simulation cable for cable accessory test and detection method of cable accessory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107274981A true CN107274981A (en) | 2017-10-20 |
| CN107274981B CN107274981B (en) | 2023-07-11 |
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ID=60073327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710551888.1A Active CN107274981B (en) | 2017-07-07 | 2017-07-07 | Simulation cable for cable accessory test and detection method of cable accessory |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007179A (en) * | 2018-10-25 | 2019-07-12 | 童志勇 | A kind of cable intermediate joint electric performance test tooling and method |
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| JP2013046549A (en) * | 2011-08-26 | 2013-03-04 | Swcc Showa Cable Systems Co Ltd | Plug-in bushing and dielectric strength test method |
| CN203337774U (en) * | 2013-07-31 | 2013-12-11 | 长园电力技术有限公司 | Test device for cable accessory of 220kV and above |
| CN104201622A (en) * | 2014-09-11 | 2014-12-10 | 江苏安靠智能输电工程科技股份有限公司 | Prefabricated power cable intermediate joint mounting device and method |
| CN104535910A (en) * | 2015-01-12 | 2015-04-22 | 国网上海市电力公司 | Integrated terminal device used for power cable step-by-step puncture test |
| CN207068498U (en) * | 2017-07-07 | 2018-03-02 | 长园电力技术有限公司 | A kind of artificial mains network for cable accessory experiment |
-
2017
- 2017-07-07 CN CN201710551888.1A patent/CN107274981B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08233885A (en) * | 1995-02-28 | 1996-09-13 | Toshiba Corp | Testing apparatus |
| JP2013046549A (en) * | 2011-08-26 | 2013-03-04 | Swcc Showa Cable Systems Co Ltd | Plug-in bushing and dielectric strength test method |
| CN203337774U (en) * | 2013-07-31 | 2013-12-11 | 长园电力技术有限公司 | Test device for cable accessory of 220kV and above |
| CN104201622A (en) * | 2014-09-11 | 2014-12-10 | 江苏安靠智能输电工程科技股份有限公司 | Prefabricated power cable intermediate joint mounting device and method |
| CN104535910A (en) * | 2015-01-12 | 2015-04-22 | 国网上海市电力公司 | Integrated terminal device used for power cable step-by-step puncture test |
| CN207068498U (en) * | 2017-07-07 | 2018-03-02 | 长园电力技术有限公司 | A kind of artificial mains network for cable accessory experiment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007179A (en) * | 2018-10-25 | 2019-07-12 | 童志勇 | A kind of cable intermediate joint electric performance test tooling and method |
| CN110007179B (en) * | 2018-10-25 | 2021-04-30 | 童志勇 | Cable intermediate joint electrical performance testing tool and method |
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| Publication number | Publication date |
|---|---|
| CN107274981B (en) | 2023-07-11 |
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