CN202886542U - Junction device for cable high-voltage resistance test - Google Patents

Junction device for cable high-voltage resistance test Download PDF

Info

Publication number
CN202886542U
CN202886542U CN 201220605064 CN201220605064U CN202886542U CN 202886542 U CN202886542 U CN 202886542U CN 201220605064 CN201220605064 CN 201220605064 CN 201220605064 U CN201220605064 U CN 201220605064U CN 202886542 U CN202886542 U CN 202886542U
Authority
CN
China
Prior art keywords
cable
contact
cavity
electrode
wiring device
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.)
Expired - Lifetime
Application number
CN 201220605064
Other languages
Chinese (zh)
Inventor
姚翔
赵志栋
黄国忠
高国中
李海生
李炎
才忠宾
姜烨
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.)
BEIJING POWER ENGINEERING Co
Beijing Electric Power Corp
State Grid Corp of China SGCC
Original Assignee
BEIJING POWER ENGINEERING Co
Beijing Electric Power Corp
State Grid Corp of China SGCC
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 BEIJING POWER ENGINEERING Co, Beijing Electric Power Corp, State Grid Corp of China SGCC filed Critical BEIJING POWER ENGINEERING Co
Priority to CN 201220605064 priority Critical patent/CN202886542U/en
Application granted granted Critical
Publication of CN202886542U publication Critical patent/CN202886542U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Testing Relating To Insulation (AREA)

Abstract

The utility model provides a junction device for a cable high-voltage resistance test, which comprises a shell, a contact part, a lead part and an air valve, wherein the shell comprises a first connecting part and a second connecting part used for connecting a cable to be tested; a cavity is formed in the shell; at least one part of the contact part is arranged in the cavity; the contact part is connected with the shell by the first connecting part; the lead part is arranged outside the cavity, and is connected with the contact part; and the air valve is used for filling insulating gas into the cavity, and is arranged on the shell. A cable terminal device used for testing the cable is arranged in the cavity of the junction device, and the cavity is internally filled with the insulating gas which is the same as that in a gas insulated switchgear (GIS), so that the working environment of a cable terminal arranged on the GIS is simulated. Therefore, the junction device can be used for the high-voltage resistance test of the cable to be tested, and the cable to be tested can be tested without being installed on the GIS, so that the damage of the high-voltage resistance test of the cable to be tested to the GIS can be avoided.

Description

The termination that is used for the cable voltage test
Technical field
The utility model relates to power domain, more specifically, relates to a kind of termination for the cable voltage test.
Background technology
In the prior art, need do AC voltage withstand test before 110kV and above cable and the GIS putting equipment in service.GIS equipment test voltage is 200kV, and the persistent pressure time is 1 minute; The trial voltage of 110kV cable line is 128kV, and the persistent pressure time is 60 minutes.And the voltage-withstand test that cable is carried out needs cable splice to be in the Insulated Hold of GIS equipment, to the cable pressurization, carries out voltage-withstand test again.
In the prior art, the method for cable being carried out voltage-withstand test is, cable is installed on the GIS equipment, and on GIS equipment the installation testing sleeve pipe, by high-voltage connection GIS equipment and cable are carried out AC voltage withstand test with the withstand voltage standard of cable.Can find out that the voltage-withstand test of cable obviously is longer than the voltage-withstand test pressing time of GIS equipment pressing time, can be in for a long time high-voltage state to the parts of GIS equipment like this, can be to GIS equipment injury.And, for the GIS equipment that does not possess the condition that experiment thimble is installed, then can't carry out the ac voltage withstanding test to cable.
The utility model content
The utility model aims to provide a kind of termination for the cable voltage test, with cable being installed on the GIS equipment of solution prior art, and when again cable being carried out voltage-withstand test, can be to the problem of GIS equipment injury.
For solving the problems of the technologies described above, provide a kind of termination for the cable voltage test according to the utility model, comprising: housing, housing comprise the first connecting portion and the second connecting portion that is used to connect cable to be tested, the inside of housing forms cavity; Contact section, at least a portion of contact section is arranged in the cavity, and contact section is connected with housing by the first connecting portion; Leading part, leading part are arranged on the outside of cavity, and leading part is connected with contact section; Be used for being filled with in cavity the air valve of insulating gas, air valve is arranged on the housing.
Further, contact section comprises contact mechanism and electrode, and the first end of electrode is connected with the first connecting portion, and contact mechanism comprises: contact cover, contact cover are set in the second end of electrode, form limit chamber between the second end of contact cover and electrode; Moving contact, moving contact are arranged in the limit chamber, and moving contact is electrically connected with electrode; Flexible member, flexible member are arranged in the limit chamber, and an end of flexible member is connected with moving contact, and the other end of flexible member is connected with electrode.
Further, contact mechanism also comprises channelizing line, and electrode is electrically connected with moving contact by channelizing line.
Further, housing also comprises the first sealing gasket, and contact section is connected with the first connecting portion by the first sealing gasket.
Further, termination also comprises insulation sleeve, and insulation sleeve is set on the leading part.
Further, leading part and the mutually vertical setting of contact section.
Further, the first connecting portion is the first flange, and the second connecting portion is the second flange.
Further, insulating gas is sulfur hexafluoride.
The cable termination of test cable is arranged in the cavity of termination, be filled with in the cavity with GIS equipment in same insulating gas, so just simulated cable termination and be installed in working environment on the GIS equipment.Therefore, can carry out voltage-withstand test to cable under test by termination, not test again on the GIS equipment and will cable under test be installed in, so just avoid the voltage-withstand test of cable under test to GIS equipment injury.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the synoptic diagram that the termination in the utility model is connected with cable to be tested; And
Fig. 2 has schematically shown the connection diagram of the cable termination of the contact section of the termination in the utility model and cable to be tested.
Reference numeral among the figure: 10, housing; 11, the first connecting portion; 111, the first sealing gasket; 12, the second connecting portion; 121, the second sealing gasket; 13, cavity; 14, air valve; 20, contact section; 21, contact mechanism; 211, contact cover; 212, moving contact; 213, flexible member; 214, channelizing line; 215, limit chamber; 22, electrode; 30, leading part; 31, insulation sleeve; 40, cable termination.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
The utility model provides a kind of termination for the cable voltage test, as shown in Figure 1, this termination comprises: housing 10, housing 10 comprise the first connecting portion 11 and the second connecting portion 12 that is used to connect cable to be tested, and the inside of housing 10 forms cavity 13; Contact section 20, at least a portion of contact section 20 is arranged in the cavity 13, and contact section 20 is connected with housing 10 by the first connecting portion 11; Leading part 30, leading part 30 is arranged on the outside of cavity 13, and leading part 30 is connected with contact section 20; Be used for being filled with in cavity 13 air valve 14 of insulating gas, air valve 14 is arranged on the housing 10.
As shown in Figure 1, the cable termination 40 of cable to be tested is arranged in the cavity 13 of termination, be filled with in the cavity 13 with GIS equipment in same insulating gas, so just simulated cable termination 40 and be installed in working environment on the GIS equipment.Therefore, can carry out voltage-withstand test to cable under test by termination, not test again on the GIS equipment and will cable under test be installed in, so just avoid the voltage-withstand test of cable under test to GIS equipment injury.
Preferably, the first connecting portion 11 is first flanges, and the second connecting portion 12 is second flanges.The first flange is connected with three-flange on being arranged on contact section 20, and the second flange is connected with the 4th flange on the cable termination that is arranged on cable under test.
Preferably, insulating gas is sulfur hexafluoride.Sulfur hexafluoride gas namely is the insulating gas that is filled with in the GIS equipment, has good insulating property.Simultaneously, be filled with sulfur hexafluoride gas in the cavity 13, can also guarantee cable under test is carried out when withstand voltage, cable is to housing 10 discharges.
Preferably, as shown in Figure 2, contact section 20 comprises contact mechanism 21 and electrode 22, the first end of electrode 22 is connected with the first connecting portion 11, contact mechanism 21 comprises: contact cover 211, contact cover 211 is set in the second end of electrode 22, forms limit chamber 215 between the second end of contact cover 211 and electrode 22; Moving contact 212, moving contact 212 are arranged in the limit chamber 215, and moving contact 212 is electrically connected with electrode 22; Flexible member 213, flexible member 213 are arranged in the limit chamber 215, and an end of flexible member 213 is connected with moving contact 212, and the other end of flexible member 213 is connected with electrode 22.Preferably, contact mechanism 21 also comprises channelizing line 214, and electrode 22 is electrically connected with moving contact 212 by channelizing line 214.
As shown in Figure 2, when cable under test is installed in the cavity 13 of termination when interior, cable termination 40 contacts with moving contact 212 and conducting, and simultaneously, cable termination 40 needs compression compression elastic elements 213 1 end distances.Like this, flexible member 213 produces elastic force, has guaranteed that cable termination 40 can be adjacent to moving contact 212, and has guaranteed the conducting of cable termination 40 with moving contact 212.In addition, also be electrically connected by channelizing line 214 between electrode 22 and the moving contact 212, thereby further guaranteed the conducting of electrode 22 with moving contact 212.
Preferably, housing 10 also comprises the first sealing gasket 111, and contact section 20 is connected with the first connecting portion 11 by the first sealing gasket 111.Preferably, as shown in Figure 1, also be provided with the second sealing gasket 121 between the second connecting portion 12 and the cable under test.The first sealing gasket 111 and the second sealing gasket 121 can guarantee the impermeability of cavity 13, prevent that the insulating gas leakage from causing the wireline test environmental evolution, and then cause the voltage-withstand test of cable inaccurate.
Preferably, termination also comprises insulation sleeve 31, and insulation sleeve 31 is set on the leading part 30.
Preferably, leading part 30 and the 20 mutual vertical settings of contact section.Like this, termination is L-shaped, is convenient to also can reduce the horizontal length of termination at leading part 30 place's connecting test lead-in wires, saves the space.
Preferably, if the cable termination of cable under test is the cable termination of short type, be that length is the cable termination of 470mm, when the cable termination of the short type with this kind is fit in the cavity 13 of termination, setting adds long conductor between cable termination and moving contact 212, and guaranteeing can conducting between cable and the contact section 20.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (8)

1.一种用于电缆耐压测试的接线装置，其特征在于，包括：1. A wiring device for cable withstand voltage test, characterized in that, comprising: 壳体（10），所述壳体（10）包括第一连接部（11）和用于连接待测试电缆的第二连接部（12），所述壳体（10）的内部形成腔体（13）；A housing (10), the housing (10) includes a first connection part (11) and a second connection part (12) for connecting the cable to be tested, and the inside of the housing (10) forms a cavity ( 13); 触头部（20），所述触头部（20）的至少一部分设置在所述腔体（13）内，所述触头部（20）通过所述第一连接部（11）与所述壳体（10）连接；A contact part (20), at least a part of the contact part (20) is arranged in the cavity (13), and the contact part (20) is connected to the Shell (10) connection; 引线部（30），所述引线部（30）设置在所述腔体（13）的外部，所述引线部（30）与所述触头部（20）连接；A lead part (30), the lead part (30) is arranged outside the cavity (13), and the lead part (30) is connected to the contact part (20); 用于向所述腔体（13）内充入绝缘气体的气阀（14），所述气阀（14）设置在所述壳体（10）上。An air valve (14) for filling insulating gas into the cavity (13), and the air valve (14) is arranged on the casing (10). 2.根据权利要求1所述的接线装置，其特征在于，所述触头部（20）包括触头机构（21）和电极（22），所述电极（22）的第一端与所述第一连接部（11）连接，所述触头机构（21）包括：2. The wiring device according to claim 1, characterized in that, the contact part (20) comprises a contact mechanism (21) and an electrode (22), and the first end of the electrode (22) is connected to the The first connecting part (11) is connected, and the contact mechanism (21) includes: 触头套（211），所述触头套（211）套设在所述电极（22）的第二端，所述触头套（211）和所述电极（22）的第二端之间形成限位腔（215）；A contact cover (211), the contact cover (211) is sleeved on the second end of the electrode (22), between the contact cover (211) and the second end of the electrode (22) Form a limiting cavity (215); 动触头（212），所述动触头（212）设置在所述限位腔（215）内，所述动触头（212）与所述电极（22）电连接；A moving contact (212), the moving contact (212) is arranged in the limiting cavity (215), and the moving contact (212) is electrically connected to the electrode (22); 弹性元件（213），所述弹性元件（213）设置在所述限位腔（215）中，所述弹性元件（213）的一端与所述动触头（212）连接，所述弹性元件（213）的另一端与所述电极（22）连接。An elastic element (213), the elastic element (213) is arranged in the limiting cavity (215), one end of the elastic element (213) is connected with the moving contact (212), the elastic element ( 213) is connected to the electrode (22). 3.根据权利要求2所述的接线装置，其特征在于，所述触头机构（21）还包括导流线（214），所述电极（22）通过所述导流线（214）与所述动触头（212）电连接。3. The wiring device according to claim 2, characterized in that, the contact mechanism (21) further comprises a guide wire (214), and the electrode (22) communicates with the electrode (22) through the guide wire (214) The moving contact (212) is electrically connected. 4.根据权利要求1所述的接线装置，其特征在于，所述壳体（10）还包括第一密封垫（111），所述触头部（20）通过所述第一密封垫（111）与所述第一连接部（11）连接。4. The wiring device according to claim 1, characterized in that, the housing (10) further comprises a first gasket (111), and the contact part (20) passes through the first gasket (111) ) is connected with the first connecting part (11). 5.根据权利要求1所述的接线装置，其特征在于，所述接线装置还包括绝缘套（31），所述绝缘套（31）套设在所述引线部（30）上。5. The wiring device according to claim 1, characterized in that, the wiring device further comprises an insulating sleeve (31), and the insulating sleeve (31) is sleeved on the lead part (30). 6.根据权利要求1所述的接线装置，其特征在于，所述引线部（30）与所述触头部（20）相互垂直设置。6. The wiring device according to claim 1, characterized in that, the lead part (30) and the contact part (20) are arranged perpendicularly to each other. 7.根据权利要求1所述的接线装置，其特征在于，所述第一连接部（11）是第一法兰，所述第二连接部（12）是第二法兰。7. The wiring device according to claim 1, characterized in that, the first connection part (11) is a first flange, and the second connection part (12) is a second flange. 8.根据权利要求1所述的接线装置，其特征在于，所述绝缘气体是六氟化硫。8. The wiring device according to claim 1, wherein the insulating gas is sulfur hexafluoride.
CN 201220605064 2012-11-15 2012-11-15 Junction device for cable high-voltage resistance test Expired - Lifetime CN202886542U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220605064 CN202886542U (en) 2012-11-15 2012-11-15 Junction device for cable high-voltage resistance test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220605064 CN202886542U (en) 2012-11-15 2012-11-15 Junction device for cable high-voltage resistance test

Publications (1)

Publication Number Publication Date
CN202886542U true CN202886542U (en) 2013-04-17

Family

ID=48077953

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220605064 Expired - Lifetime CN202886542U (en) 2012-11-15 2012-11-15 Junction device for cable high-voltage resistance test

Country Status (1)

Country Link
CN (1) CN202886542U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103698558A (en) * 2013-11-27 2014-04-02 国家电网公司 110kV GIS (Gas Insulated Switchgear) cable alternating current withstand voltage test high-tension bushing
CN103809085A (en) * 2012-11-15 2014-05-21 国家电网公司 Junction device for cable high-voltage resistance test and cable high-voltage resistance test
CN105572550A (en) * 2015-12-18 2016-05-11 平高集团有限公司 Insulating test piece and test electrode device using same
CN108007958A (en) * 2018-01-24 2018-05-08 无锡圣敏传感科技股份有限公司 Generating means and detecting system
CN118625215A (en) * 2024-05-24 2024-09-10 长缆科技集团股份有限公司 High voltage cable test system and construction method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103809085A (en) * 2012-11-15 2014-05-21 国家电网公司 Junction device for cable high-voltage resistance test and cable high-voltage resistance test
CN103809085B (en) * 2012-11-15 2016-12-21 国家电网公司 Termination and cable voltage method of testing for cable voltage test
CN103698558A (en) * 2013-11-27 2014-04-02 国家电网公司 110kV GIS (Gas Insulated Switchgear) cable alternating current withstand voltage test high-tension bushing
CN105572550A (en) * 2015-12-18 2016-05-11 平高集团有限公司 Insulating test piece and test electrode device using same
CN105572550B (en) * 2015-12-18 2019-01-22 平高集团有限公司 An insulating test piece and a test electrode device using the same
CN108007958A (en) * 2018-01-24 2018-05-08 无锡圣敏传感科技股份有限公司 Generating means and detecting system
CN118625215A (en) * 2024-05-24 2024-09-10 长缆科技集团股份有限公司 High voltage cable test system and construction method thereof

Similar Documents

Publication Publication Date Title
CN103809085B (en) Termination and cable voltage method of testing for cable voltage test
CN202886542U (en) Junction device for cable high-voltage resistance test
CN203519770U (en) Device for high-voltage power cable GIS terminal commissioning test
CN102004201B (en) Cable gas insulated switchgear (GIS) terminal tester
CN205139311U (en) SF6 high -Voltage electrical appliances are with insulating pull rod insulation test device
CN203218583U (en) Elbow-type cable plug-pull head
CN104766682A (en) High voltage damping resistor and high voltage transmission system using the resistor
CN204188754U (en) 110kVGIS terminal stress cone proving installation
CN202930342U (en) High-voltage solid insulation fuse unit
CN204142901U (en) A kind of high voltage power cable test device
CN103743978B (en) Multifunction testing device for gas-filled switch cabinet
CN201663318U (en) A three-phase cable connector
CN204927943U (en) GIS equipment that can keep apart test
CN110988608A (en) Oil gas formula transformer bushing on-spot ac withstand voltage test device
CN204190345U (en) 110kV and the cross interconnected protective earthing case of above band detection of electrical leakage type
CN212275838U (en) High-voltage alternating-current voltage sensor and high-voltage alternating-current electricity testing device
CN203522117U (en) Installation positioning structure for high-voltage GIS crosslinked cable terminal
CN203026716U (en) Tube bus shielded insulating GIS (geographic information system) terminal connector
CN215526003U (en) Test device for power cable accessory
CN203406512U (en) Breaker room with bus isolation and bus metering
CN105552770A (en) Connection body between high-voltage sleeve pipe of transformer and gas insulated switchgear (GIS) device
CN210926854U (en) Connection device and GIS equipment for dry casing
CN103050905B (en) Switch cubicle ac voltage withstanding insulation annex
CN205543941U (en) Connector of transformer high -tension bushing and GIS equipment room
CN210925712U (en) Lead-out device for transformer and transformer system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant