CN101923140A - Withstand test device of sleeve of looped network cabinet equipment - Google Patents
Withstand test device of sleeve of looped network cabinet equipment Download PDFInfo
- Publication number
- CN101923140A CN101923140A CN 201010274049 CN201010274049A CN101923140A CN 101923140 A CN101923140 A CN 101923140A CN 201010274049 CN201010274049 CN 201010274049 CN 201010274049 A CN201010274049 A CN 201010274049A CN 101923140 A CN101923140 A CN 101923140A
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- sleeve
- looped network
- network cabinet
- test device
- cabinet equipment
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Abstract
The invention discloses a withstand test device of a sleeve of looped network cabinet equipment, which comprises a test interface, a conducting rod and a stress control unit. One end of the test interface is formed to be an inserting interface which is connected with the conical surface of a standard sleeve of the switch looped network cabinet equipment, and the other end of the test interface is provided with a stress control unit for controlling the distribution of electric field and enhancing the insulation performance. The conducting rod is penetrated through the test interface; one end of the conducting rod is in screw thread connection with the sleeve of the equipment to realize the electric conduction connection and the fixed withstand test; and the other end of the conducting rod is connected with a test power source. By adopting the connection mode, the withstand test device can meet the requirement of various voltage insulation test items and electric current test items of the looped network cabinet equipment. The withstand test device is simple in structure, convenient in installation, practical and reliable.
Description
Technical field
The present invention relates to the cable accessory technical field and the ring main unit inspection technology field of using in the power cable engineering.
Background technology
Now ring main unit, preassembled transformer station, the cable branch box of 35kV (containing) and following band normal sleeve dispatch from the factory or carry out when withstand voltage at the scene, and the method that mainly adopts the method for stube cable and standard cable annex or apply all insulation device is carried out Insulation test.The subject matter that adopts above-mentioned two kinds of methods to exist is: the method that adopts cable and standard cable annex, though process of the test can solve, but experimentation cost is very high and the size of test site is had very high requirement, and the construction technical staff to cable requires very high, especially very obvious in type approval test; Though it is simple to adopt the method for all insulation device experiment to install, and can only satisfy 10kV and following unit check requirement, can not satisfy the trial voltage requirement of 24kV and 35kV equipment, so need a kind of reliable multi-usage test unit.
Summary of the invention
The purpose of this invention is to provide a kind of Withstand test device of sleeve of looped network cabinet equipment, very high and the size of test site had very high requirement to solve experimentation cost that prior art exists, and the construction technical staff of cable is required technical matterss such as the very high trial voltage that maybe can not satisfy 24kV and 35kV equipment requires.
A kind of Withstand test device of sleeve of looped network cabinet equipment of the present invention, it comprises test joint (1), conducting rod (2) and Stress Control unit (3); One end of described test joint (1) is shaped to the interface (14) that can match with the conical surface of equipment standard sleeve pipe and be connected, and other end erection stress control module (3) is equipped with stay pipe (10) in the test joint (1); Conducting rod (2) is made up of conducting rod and fixed pin (24), conducting rod (2) passes the test joint, one end is processed as the standard thread (21) that links to each other with equipment casing, and the other end is processed as the fixed orifice (22) that installs and fixes pin and use, and leaves the mounting hole (23) that can be connected with experiment power supply.
The interface shape that described test joint (1) one end is connected with equipment casing is any standard compliant shape.
Described test joint (1) only is made up of main insulating layer (12).
Described test joint (1) is made up of main insulating layer (12) and inner conducting layer (13).
Described test joint (1) can be made up of external shielding layer (11), main insulating layer (12), inner conducting layer (13).
It is the structure of one that described test joint (1) is formed with Stress Control unit (3), or the structure of split; Rubber reinforced insulation full skirt (33) on the Stress Control unit (3) is the structure of one with Stress Control unit (3), or the structure of split, and corresponding quantity is added or reduced to insulation full skirt (33) quantity according to testing requirements.
Described Stress Control unit (3) is made up of insulation course (31) and stress cone (32), the shape of stress cone (32) is a various ways, as long as can be applicable to the stress cone of the general use of power cable terminal and stress terminal all can, material can be semiconductive material or stress material.
The technical scheme of Withstand test device provided by the invention is the actual situation that is connected with equipment casing of simulation power cable and power cable connector, be in the same place power cable and cable splice are integral prefabricated, the use of cancellation power cable and the installation of power cable connector, solved the complicacy of installation process and improved withstand voltage security and the convenience of equipment, can switching devices carry out withstand voltage test thereby be implemented in any situation.The concrete beneficial effect of the present invention have following some:
1, can satisfy the trial voltage requirement easily: the reinforced insulation terminal is outer can be covered with shield assembly, need not consider the required distance that sleeve pipe is alternate and sleeve pipe is withstand voltage over the ground;
2, install simple and reliable: test joint and Stress Control unit all can be prefabricated in the factory, the reliability height, it is just passable only need to guarantee during installation that the lubricated and guide rod of cleaning installs and fixes, and does not have the complicated technology requirement;
3, with low cost: standard cable and cable attachment moiety are installed complicated, and purchase cost is very high, and cable is installed needs to purchase other-end simultaneously, and quality is had very high requirement; After adopting such scheme, purchase cost only be the installation of cable and annex scheme 1/5th in addition still less.
4, be satisfied with the device context or the withstand voltage test of dispatching from the factory of band normal sleeve in 35KV and following ring main unit, preassembled transformer station, the cable branch box.
Description of drawings
Fig. 1 is the structural representation of test joint of the present invention.
Fig. 2 is a conducting rod synoptic diagram of the present invention.
Fig. 3 is the structural representation of Stress Control of the present invention unit.
Fig. 4 is the structural representation after the aggregate erection of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2, shown in Figure 3, this invention is made up of test joint 1, conducting rod 2 and Stress Control unit 3.One end of test joint 1 is shaped to the interface 14 that can match with the conical surface of equipment standard sleeve pipe and be connected, and other end erection stress control module 3 is equipped with stay pipe 10 in the test joint 1.Conducting rod 2 is made up of conducting rod and fixed pin 24, and conducting rod 2 passes the test joint, and an end is processed as the standard thread 21 that links to each other with equipment casing, and the other end is processed as and installs and fixes the fixed orifice 22 that pin is used, and leaves the mounting hole 23 that can be connected with experiment power supply.
Referring to the described test joint 1 of Fig. 1 by the compression molding of high-strength rubber insulating material, interior prepackage stay pipe 10, external shielding layer 11 and inner conducting layer 13 can adopt conductive rubber mode prefabricated or the electrically-conducting paint spraying to realize that main insulating layer 12 and interface 14 are by the compression molding of high strength electro-insulating rubber.
The interface shape that test joint 1 one ends are connected with equipment casing can be any standard compliant shape.
It can be one that test joint 1 is formed with Stress Control unit 3, it also can be split, rubber reinforced insulation full skirt 33 on the Stress Control unit 3 can be an one with Stress Control unit 3, it also can be split, corresponding quantity be added or be reduced to insulation full skirt 33 quantity can according to testing requirements.
Adopt metal material machine work moulding referring to the described conducting rod 2 of Fig. 2, conducting rod one end standard thread 21 is connected with the equipment casing screw thread, the fixed orifice 22 of the other end can be any type of, it also can be any type of that its mounting hole interface 23 is connected with experiment power supply, and its conducting rod 2 material requirements, diameter, overall length can be selected according to testing requirements.
Referring to the fixed pin 24 of the described conducting rod 2 of Fig. 2, its fixed pin 24 can adopt any material processing, and processing length can be a random length.
Be made up of insulation course 31 and stress cone 32 referring to the described Stress Control terminal 3 of Fig. 3, the pattern of stress cone 32 can be a various ways.Insulation full skirt 33 can be that the stress terminal is together prefabricated, also can with test joint 1 prefabricated being in the same place, concrete quantity increases and decreases according to the difference of trial voltage grade.Stress Control unit 3 materials can be semiconductive material or stress material.
Described with reference to Fig. 4, before dispatching from the factory, test joint 1 and Stress Control unit 3 and rubber reinforced insulation full skirt 33 can be fitted together in advance, and also can assembled in situ.Stay pipe 10 materials and form in the test joint 1 can be arbitrarily.
If desired looped network cabinet equipment is tested, after only needing this test joint interface 14 inner conical surfaces and equipment casing male cone (strobilus masculinus) cleaning lubricated, earlier conducting rod 2 thread end 21 are screwed in the equipment casing, after will test joint and insert equipment casing, test joint 1 will pass conducting rod 2, after waiting to test joint 1 and being in place, Fixed latches 24 is inserted the fixed orifice 22 of conducting rods 2, Withstand test device promptly installs.The back only needs experimental power supply is connected on the conducting rod 2, can carry out the pilot project of related request to equipment casing.
The embodiment of the above is one of case study on implementation of the present invention, is not to limit the working of an invention scope with this, so the equivalence that all shapes according to the present invention, structure and principle are done changes, all should be encompassed in protection scope of the present invention.
Claims (7)
1. Withstand test device of sleeve of looped network cabinet equipment, it comprises test joint (1), conducting rod (2) and Stress Control unit (3); It is characterized in that an end of described test joint (1) is shaped to the interface (14) that can match with the conical surface of equipment standard sleeve pipe and be connected, other end erection stress control module (3) is equipped with stay pipe (10) in the test joint (1); Conducting rod (2) is made up of conducting rod and fixed pin (24), conducting rod (2) passes the test joint, one end is processed as the standard thread (21) that links to each other with equipment casing, and the other end is processed as the fixed orifice (22) that installs and fixes pin and use, and leaves the mounting hole (23) that can be connected with experiment power supply.
2. a kind of Withstand test device of sleeve of looped network cabinet equipment according to claim 1 is characterized in that, the interface shape that described test joint (1) one end is connected with equipment casing is any standard compliant shape.
3. a kind of Withstand test device of sleeve of looped network cabinet equipment according to claim 1 is characterized in that, described test joint (1) only is made up of main insulating layer (12).
4. a kind of Withstand test device of sleeve of looped network cabinet equipment according to claim 1 is characterized in that, described test joint (1) is made up of main insulating layer (12) and inner conducting layer (13).
5. a kind of Withstand test device of sleeve of looped network cabinet equipment according to claim 1 is characterized in that, described test joint (1) can be made up of external shielding layer (11), main insulating layer (12), inner conducting layer (13).
6. according to claim 1,2,3,4 or 5 described a kind of Withstand test device of sleeve of looped network cabinet equipment, it is characterized in that it is the structure of one that described test joint (1) is formed with Stress Control unit (3), or the structure of split; Rubber reinforced insulation full skirt (33) on the Stress Control unit (3) is the structure of one with Stress Control unit (3), or the structure of split, and corresponding quantity is added or reduced to insulation full skirt (33) quantity according to testing requirements.
7. a kind of Withstand test device of sleeve of looped network cabinet equipment according to claim 1, it is characterized in that, described Stress Control unit (3) is made up of insulation course (31) and stress cone (32), the shape of stress cone (32) is a various ways, as long as can be applicable to the stress cone of the general use of power cable terminal and stress terminal all can, material can be semiconductive material or stress material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010274049 CN101923140A (en) | 2010-09-07 | 2010-09-07 | Withstand test device of sleeve of looped network cabinet equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010274049 CN101923140A (en) | 2010-09-07 | 2010-09-07 | Withstand test device of sleeve of looped network cabinet equipment |
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| Publication Number | Publication Date |
|---|---|
| CN101923140A true CN101923140A (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010274049 Pending CN101923140A (en) | 2010-09-07 | 2010-09-07 | Withstand test device of sleeve of looped network cabinet equipment |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590562A (en) * | 2012-02-09 | 2012-07-18 | 江苏普朗克电力科技有限公司 | Connecting structure of geographic information system (GIS) testing device |
| CN102944699A (en) * | 2012-10-22 | 2013-02-27 | 中国电力科学研究院 | High-voltage connecting device for electromagnetic compatibility radiation test of ultrahigh-voltage bushing |
| CN103050905A (en) * | 2012-12-25 | 2013-04-17 | 广州供电局有限公司 | AC (Alternating Current) voltage withstanding insulation accessory of switch cabinet |
| CN103869229A (en) * | 2014-04-02 | 2014-06-18 | 上海华普电缆有限公司 | Terminal for partial discharge tests on crosslinked polyethylene power cable of 35 kV or lower |
| CN103869104A (en) * | 2014-04-02 | 2014-06-18 | 上海华普电缆有限公司 | Stress ring for partial discharge tests and high-voltage insulation tests on power cable of 10 kV or lower |
| CN104020325A (en) * | 2014-06-18 | 2014-09-03 | 国家电网公司 | High-voltage test shielding cover for 10kV ring main unit |
| CN106356799A (en) * | 2016-10-28 | 2017-01-25 | 成都盛帮双核科技有限公司 | Rear plugging type separable connector and processing method thereof |
| CN106768572A (en) * | 2016-12-27 | 2017-05-31 | 广州供电局有限公司 | Test device and method of testing for detecting ring main unit cable termination stress |
| CN106918769A (en) * | 2017-05-15 | 2017-07-04 | 国网青海省电力公司海东供电公司 | A kind of European plug cable voltage test tool of high pressure |
| CN107328966A (en) * | 2017-06-09 | 2017-11-07 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of power cable insulation experiment sleeve and application method |
| CN108469579A (en) * | 2018-05-04 | 2018-08-31 | 扬州森源电力科技有限公司 | Switchgear male-tapered casing high pressure tests terminal |
| CN109946574A (en) * | 2019-03-14 | 2019-06-28 | 北海银河开关设备有限公司 | A kind of railway switch pole resistance test tooling |
| CN111025105A (en) * | 2019-12-27 | 2020-04-17 | 安徽明诚电力设备安装有限公司 | Ring main unit equipment sleeve withstand voltage test device |
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| CN201307650Y (en) * | 2008-11-07 | 2009-09-09 | 中电电气集团有限公司 | Top horizontal insertion installation structure for 35KV level plug-in type cable terminal |
| CN101852838A (en) * | 2010-06-18 | 2010-10-06 | 马方俊 | Voltage withstand detection device for external conical equipment casing of high-voltage switch cabinet |
| CN201725005U (en) * | 2010-06-18 | 2011-01-26 | 马方俊 | Anti-pressure detecting device for outer cone-shaped equipment bushing of high-voltage switch cabinet |
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Patent Citations (5)
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| JPH1164433A (en) * | 1997-08-12 | 1999-03-05 | Furukawa Electric Co Ltd:The | Electrical testing method of single body of connections of power cable |
| CN101387672A (en) * | 2007-09-11 | 2009-03-18 | 上海电缆研究所 | High-temperature superconductive cable insulation electrical characteristic test device |
| CN201307650Y (en) * | 2008-11-07 | 2009-09-09 | 中电电气集团有限公司 | Top horizontal insertion installation structure for 35KV level plug-in type cable terminal |
| CN101852838A (en) * | 2010-06-18 | 2010-10-06 | 马方俊 | Voltage withstand detection device for external conical equipment casing of high-voltage switch cabinet |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590562A (en) * | 2012-02-09 | 2012-07-18 | 江苏普朗克电力科技有限公司 | Connecting structure of geographic information system (GIS) testing device |
| CN102944699A (en) * | 2012-10-22 | 2013-02-27 | 中国电力科学研究院 | High-voltage connecting device for electromagnetic compatibility radiation test of ultrahigh-voltage bushing |
| CN102944699B (en) * | 2012-10-22 | 2016-02-24 | 中国电力科学研究院 | A kind of high-voltage connection device for super extra-high voltage sleeve pipe electromagnetic compatibility radiation test |
| CN103050905A (en) * | 2012-12-25 | 2013-04-17 | 广州供电局有限公司 | AC (Alternating Current) voltage withstanding insulation accessory of switch cabinet |
| CN103050905B (en) * | 2012-12-25 | 2015-12-23 | 广州供电局有限公司 | Switch cubicle ac voltage withstanding insulation annex |
| CN103869229A (en) * | 2014-04-02 | 2014-06-18 | 上海华普电缆有限公司 | Terminal for partial discharge tests on crosslinked polyethylene power cable of 35 kV or lower |
| CN103869104A (en) * | 2014-04-02 | 2014-06-18 | 上海华普电缆有限公司 | Stress ring for partial discharge tests and high-voltage insulation tests on power cable of 10 kV or lower |
| CN104020325A (en) * | 2014-06-18 | 2014-09-03 | 国家电网公司 | High-voltage test shielding cover for 10kV ring main unit |
| CN106356799A (en) * | 2016-10-28 | 2017-01-25 | 成都盛帮双核科技有限公司 | Rear plugging type separable connector and processing method thereof |
| CN106768572B (en) * | 2016-12-27 | 2023-01-20 | 广州供电局有限公司 | Testing device and testing method for detecting stress of cable terminal of ring main unit |
| CN106768572A (en) * | 2016-12-27 | 2017-05-31 | 广州供电局有限公司 | Test device and method of testing for detecting ring main unit cable termination stress |
| CN106918769A (en) * | 2017-05-15 | 2017-07-04 | 国网青海省电力公司海东供电公司 | A kind of European plug cable voltage test tool of high pressure |
| CN107328966A (en) * | 2017-06-09 | 2017-11-07 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of power cable insulation experiment sleeve and application method |
| CN107328966B (en) * | 2017-06-09 | 2024-02-13 | 国网辽宁省电力有限公司朝阳供电公司 | Power cable insulation test sleeve and use method |
| CN108469579A (en) * | 2018-05-04 | 2018-08-31 | 扬州森源电力科技有限公司 | Switchgear male-tapered casing high pressure tests terminal |
| CN108469579B (en) * | 2018-05-04 | 2024-04-30 | 扬州森源电力科技有限公司 | High-voltage testing terminal for external conical sleeve of switch cabinet |
| CN109946574A (en) * | 2019-03-14 | 2019-06-28 | 北海银河开关设备有限公司 | A kind of railway switch pole resistance test tooling |
| CN109946574B (en) * | 2019-03-14 | 2020-12-11 | 北海银河开关设备有限公司 | Withstand voltage detection frock of railway switch utmost point post |
| CN111025105A (en) * | 2019-12-27 | 2020-04-17 | 安徽明诚电力设备安装有限公司 | Ring main unit equipment sleeve withstand voltage test device |
| CN111025105B (en) * | 2019-12-27 | 2021-11-16 | 安徽明诚电力设备安装有限公司 | Ring main unit equipment sleeve withstand voltage test device |
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Application publication date: 20101222 |