CN108107295A - A kind of cable flexible joint test tool and method - Google Patents

A kind of cable flexible joint test tool and method Download PDF

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Publication number
CN108107295A
CN108107295A CN201810005130.2A CN201810005130A CN108107295A CN 108107295 A CN108107295 A CN 108107295A CN 201810005130 A CN201810005130 A CN 201810005130A CN 108107295 A CN108107295 A CN 108107295A
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CN
China
Prior art keywords
cable
external insulation
flexible joint
test tool
insulation
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.)
Pending
Application number
CN201810005130.2A
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Chinese (zh)
Inventor
刘延卓
强卫
方菊
贾超
王锦明
李智文
徐甜
罗继辉
高飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGYUAN ELECTRIC TECHNOLOGY Co Ltd
Original Assignee
CHANGYUAN ELECTRIC TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHANGYUAN ELECTRIC TECHNOLOGY Co Ltd filed Critical CHANGYUAN ELECTRIC TECHNOLOGY Co Ltd
Priority to CN201810005130.2A priority Critical patent/CN108107295A/en
Publication of CN108107295A publication Critical patent/CN108107295A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cable Accessories (AREA)

Abstract

The invention discloses a kind of cable flexible joint test tool and methods, including hollow external insulation, the high-field electrode being threaded through in external insulation, the external insulation is in T fonts with high-field electrode, full skirt end is climbed in one end of the external insulation to increase, reinforced insulation end based on the other end, and high-field electrode one end is high-voltage terminal, the other end is hollow high pressure installation end, and connecting hose is threaded through in high pressure installation end and main body reinforced insulation end;It is tested suitable for single connecting hose, it is low to the capacity requirement of testing equipment, when test tool is used to test, test terminal need not be installed at cable both ends, can be tested in connector erecting bed or factory so that testing inspection is more convenient.

Description

A kind of cable flexible joint test tool and method
Technical field
The present invention relates to cable accessory technical field more particularly to a kind of cable flexible joint test tool and methods.
Background technology
Cable body recovers connector and is also connecting hose, and using the structure identical with cable body, and it possesses and cable sheet The same excellent mechanical performance and electric property of body, especially suitable for multi-cable in long length submarine cable power transmission engineering Connection.At present there are many kinds of the production technologies of cable flexible joint, but due to each connecting hose verification experimental verification when be required in electricity Test terminal is installed at cable both ends, of high cost, therefore can not carry out single test verification after each connector machines at present.So And with the increase of cable length, also higher and higher to the capacity requirement of testing equipment, conventional verification method is whole long line Bulk testing verification is carried out after the completion of the connection of road, this verification mode risk is high, if multiple connectors go wrong, may lead Whole circuit is caused to scrap.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides cable both ends during a kind of experiment to install end End, it is low to the capacity requirement of testing equipment, it effectively reduces cost, time saving and energy saving cable flexible joint test tool and method.
To achieve these goals, the technical solution adopted by the present invention is:
A kind of cable flexible joint test tool, it is characterised in that:Including external insulation, the high-voltage electricity being threaded through in external insulation Full skirt end is climbed in pole, one end of the external insulation to increase, and reinforced insulation end based on the other end, the increasing is climbed full skirt end and is provided outside Full skirt is climbed in increasing, and high-field electrode one end is high-voltage terminal, and the other end is hollow high pressure installation end, and high-voltage terminal is pacified with high pressure Dress end is structure as a whole, and high-voltage terminal, which is located to increase, climbs in full skirt end, and high pressure installation end is located in main body reinforced insulation end, soft to connect Head is threaded through in high pressure installation end and main body reinforced insulation end.
As being further improved for said program, the external insulation is in T fonts with high-field electrode.
As being further improved for said program, bucking electrode is provided on the external insulation, the bucking electrode is set The lower end of full skirt is climbed in increasing.
As being further improved for said program, the main body reinforced insulation end of the external insulation is wrapped with main shield Layer.
It is set as being further improved for said program, in the external insulation there are two stress cone, two stress cones are distinguished Positioned at the both sides at external insulation main body reinforced insulation end.
As being further improved for said program, the high-field electrode is made of semi-conductive silicone rubber, the external insulation by Electrically insulating silicone rubber is made.
A kind of test method of cable flexible joint, comprises the following steps,
1) will be for use on test tool globally expanding to the first cable so that the first cable through high-field electrode with it is outer absolutely Edge;
2) the second cable and the first cable conductor are welded, recovers internal shield, insulating layer and external shielding layer and form soft connect Head;
3) test tool on the first cable is moved at connecting hose, connecting hose is made to be located at the high pressure installation end of high-field electrode It is interior;
4) high voltage pole is connect into high voltage, bucking electrode, main shield layer and the conductor of the first cable and the second cable connect Ground carries out electrical performance test to connecting hose.
As being further improved for said program, first cable and the second cable are isometrical cable.
As being further improved for said program, first cable and the second cable are not isometrical cable.
Beneficial effects of the present invention:
A kind of cable flexible joint test tool of the present invention and method, when experiment, install test cable group to external insulation, High-field electrode connects high voltage, and bucking electrode and test cable group conductor ground connection can be tested;It is tried suitable for single connecting hose It tests, it is low to the capacity requirement of testing equipment, when test tool is used to test, test terminal need not be installed at cable both ends, It can be tested in connector erecting bed or factory so that testing inspection is more convenient.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described.Obviously, described attached drawing is the part of the embodiment of the present invention rather than all implements Example, without creative efforts, other that can also be obtained according to these attached drawings are set those skilled in the art Meter scheme and attached drawing:
Fig. 1 is the structure diagram after present pre-ferred embodiments installation;
Fig. 2 is the structure sectional view after present pre-ferred embodiments installation.
Specific embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair Bright part of the embodiment rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art is not paying The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.
With reference to Fig. 1 and Fig. 2, a kind of cable flexible joint test tool including hollow external insulation 5, is threaded through in external insulation 5 High-field electrode 1, the high-field electrode 1 is semi-conductive silicone rubber electrode, and the external insulation 5 is electrically insulating silicone rubber shell, described outer Insulation 5 is in T fonts with high-field electrode 1, close with external insulation interface cohesion.Full skirt end is climbed in one end of the external insulation 5 to increase, Reinforced insulation end based on the other end, 1 one end of high-field electrode are high-voltage terminal, and the other end is hollow high pressure installation end, high Crimping line end is structure as a whole with high pressure installation end, and high-voltage terminal is located in high-voltage terminal, and high pressure installation end is located at main body In reinforced insulation end, connecting hose is threaded through in high pressure installation end and main body reinforced insulation end, and the external insulation 5 is wrapped with main body Shielded layer 4 plays a part of to improve electric field.
The external insulation 5 is externally provided with increasing and climbs full skirt 2, increases safe creep distance, on the external insulation 5 for increasing the lower end for climbing full skirt 2 Bucking electrode 3 is provided with, bucking electrode 3 plays the role of uniform electric field.
It is set in the external insulation 5 there are two stress cone 6, two stress cones 6 are located at the both sides of external insulation 5 respectively, rise slow The effect of electric field distribution is concentrated, improved to solution electric field stress so that electric performance test is more accurate and safe.
A kind of test method of cable flexible joint, comprises the following steps,
It 1) will be for use on test tool globally expanding to the first cable 7 so that the first cable 7 is through high-field electrode 1 and outside Insulation 5;
2) the second cable 8 and 7 conductor of the first cable are welded, recovery internal shield, insulating layer 9 and external shielding layer form soft Connector;
3) test tool on the first cable 7 is moved at connecting hose, connecting hose is made to be located at the high pressure installation of high-field electrode 1 In end;
4) high voltage pole 1 is connect into high voltage, bucking electrode 3,4 and first cable 7 of main shield layer and the second cable 8 are led Body is grounded, and electrical performance test is carried out to connecting hose.
The test cable group includes the first cable 7 and the second cable 8, and the first cable 7 and 8 conductor of the second cable pass through weldering The mode of connecing connects.First cable, 7 and second cable 8 can make for isometrical cable or not isometrical cable, different connecting hoses With the test tool, the scope of application is wider, and application scenario is more.
This frock is suitable for the experiment of single connecting hose, and low to the capacity requirement of testing equipment, detection risk is smaller, can be right Each connecting hose is tested so that circuit is safer.When test tool is used to test, it need not be installed at cable both ends Test terminal, it is only necessary to be connected single connecting hose with this frock, you can tested, made in connector erecting bed or factory Testing inspection it is more convenient, frock small volume structure is simple, easily assemble, it is at low cost so that detection it is more easy to operate.
The above are being illustrated to presently preferred embodiments of the present invention, but the invention is not limited to the implementation Example, those skilled in the art can also make a variety of equivalent modifications on the premise of without prejudice to spirit of the invention or replace It changes, these equivalent modifications or replacement are all contained in the application claim limited range.

Claims (9)

1. a kind of cable flexible joint test tool, it is characterised in that:Including external insulation (5), the high pressure being threaded through in external insulation (5) Full skirt end is climbed in electrode (1), one end of the external insulation (5) to increase, and the increasing, which climbs full skirt end and is provided outside increasing, climbs full skirt (2), separately Reinforced insulation end based on one end, high-field electrode (1) one end are high-voltage terminal, and the other end is hollow high pressure installation end, high Crimping line end is structure as a whole with high pressure installation end, and high-voltage terminal, which is located to increase, climbs in full skirt end, and high pressure installation end is located at main body In reinforced insulation end, connecting hose is threaded through in high pressure installation end and main body reinforced insulation end.
2. cable flexible joint test tool according to claim 1, it is characterised in that:The external insulation (5) and high-voltage electricity Pole (1) is in T fonts.
3. cable flexible joint test tool according to claim 1, it is characterised in that:It is provided on the external insulation (5) Bucking electrode (3), the bucking electrode (3) are arranged on the lower end that full skirt (2) are climbed in increasing.
4. cable flexible joint test tool according to claim 1, it is characterised in that:The main body of the external insulation (5) increases Strong insulating end is wrapped with main shield layer (4).
5. cable flexible joint test tool according to claim 1, it is characterised in that:It is provided in the external insulation (5) Two stress cones (6), two stress cones (6) are located at the both sides at external insulation (5) main body reinforced insulation end respectively.
6. cable flexible joint test tool according to claim 1, it is characterised in that:The high-field electrode (1) is partly to lead Electric silicon rubber is made, and the external insulation (5) is made of electrically insulating silicone rubber.
7. a kind of test method of cable flexible joint, it is characterised in that:Comprise the following steps,
1) will be for use on test tool globally expanding to the first cable (7) so that the first cable (7) through high-field electrode (1) with External insulation (5);
2) the second cable (8) and the first cable (7) conductor are welded, recovers internal shield, insulating layer (9) and external shielding layer and formed Connecting hose;
3) test tool on the first cable (7) is moved at connecting hose, connecting hose is made to be located at the high pressure installation of high-field electrode (1) In end;
4) high voltage pole (1) is connect into high voltage, bucking electrode (3), main shield layer (4) and the first cable (7) and the second cable (8) conductor ground connection, electrical performance test is carried out to connecting hose.
8. cable flexible joint test method according to claim 7, it is characterised in that:First cable (7) and second Cable (8) is isometrical cable.
9. cable flexible joint test method according to claim 7, it is characterised in that:First cable (7) and second Cable (8) is not isometrical cable.
CN201810005130.2A 2018-01-03 2018-01-03 A kind of cable flexible joint test tool and method Pending CN108107295A (en)

Priority Applications (1)

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CN201810005130.2A CN108107295A (en) 2018-01-03 2018-01-03 A kind of cable flexible joint test tool and method

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Application Number Priority Date Filing Date Title
CN201810005130.2A CN108107295A (en) 2018-01-03 2018-01-03 A kind of cable flexible joint test tool and method

Publications (1)

Publication Number Publication Date
CN108107295A true CN108107295A (en) 2018-06-01

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Cited By (1)

* Cited by examiner, † Cited by third party
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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CN101453109A (en) * 2007-12-07 2009-06-10 青岛汉缆股份有限公司 High voltage and ultra high voltage crosslinking subsea cable soft joint and method for manufacturing the same
CN201740826U (en) * 2010-04-26 2011-02-09 南京业基电气设备有限公司 220 or 110kV crosslinked cable intermediate connector tester
CN102570376A (en) * 2012-01-18 2012-07-11 中科英华高技术股份有限公司 Production method of insulation intermediate connector
JP2012220215A (en) * 2011-04-04 2012-11-12 Viscas Corp Withstand voltage test method for plant joint part of long power cable
CN203858327U (en) * 2014-04-02 2014-10-01 上海华普电缆有限公司 Terminal for testing partial discharge of 35kV or lower crosslinked polyethylene power cable
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
CN207851172U (en) * 2018-01-03 2018-09-11 长园电力技术有限公司 A kind of cable flexible joint test tool

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Publication number Priority date Publication date Assignee Title
CN101453109A (en) * 2007-12-07 2009-06-10 青岛汉缆股份有限公司 High voltage and ultra high voltage crosslinking subsea cable soft joint and method for manufacturing the same
CN201740826U (en) * 2010-04-26 2011-02-09 南京业基电气设备有限公司 220 or 110kV crosslinked cable intermediate connector tester
JP2012220215A (en) * 2011-04-04 2012-11-12 Viscas Corp Withstand voltage test method for plant joint part of long power cable
CN102570376A (en) * 2012-01-18 2012-07-11 中科英华高技术股份有限公司 Production method of insulation intermediate connector
CN203858327U (en) * 2014-04-02 2014-10-01 上海华普电缆有限公司 Terminal for testing partial discharge of 35kV or lower crosslinked polyethylene power cable
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
CN207851172U (en) * 2018-01-03 2018-09-11 长园电力技术有限公司 A kind of cable flexible joint test tool

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Cited By (2)

* Cited by examiner, † Cited by third party
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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