CN201886101U - Tester for cable geographic information system (GIS) terminal - Google Patents
Tester for cable geographic information system (GIS) terminal Download PDFInfo
- Publication number
- CN201886101U CN201886101U CN2010206743734U CN201020674373U CN201886101U CN 201886101 U CN201886101 U CN 201886101U CN 2010206743734 U CN2010206743734 U CN 2010206743734U CN 201020674373 U CN201020674373 U CN 201020674373U CN 201886101 U CN201886101 U CN 201886101U
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- insulating
- cylinder body
- base plate
- gis terminal
- insulating cylinder
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Abstract
The utility model relates to a tester for a cable geographic information system (GIS) terminal, comprising an insulating barrel. The end part of one end of the insulating barrel is provided with a baseplate which is fixedly connected, and the end part of the other end of the insulating barrel, which corresponds to the end provided with the baseplate, is provided with an insulating head cover which is fixedly connected. A testing cavity is formed between the insulating head cover and the baseplate in the insulating barrel. An evacuation hole is arranged on the baseplate and is communicated with the testing cavity. An outgoing line rod is arranged on the insulating head cover, one end of the outgoing line rod extends into the insulating barrel after penetrating through the insulating head cover, and the outgoing line rod is tightly connected with the insulating head cover. A guide rod is arranged on the other end of the outgoing line rod, which corresponds to the end extending into the insulating barrel, and the guide rod is electrically connected with the outgoing line rod. A shielding electrode is arranged in the insulating barrel, the shape of the insulating electrode is matched with that of the insulating barrel, and the end part of one end of the insulating electrode is fixed with the baseplate. The tester for the cable GIS terminal has a simple and compact structure, a light weight, strong site adaptability and a low cost, is convenient to operate, and is safe and reliable.
Description
Technical field
The utility model relates to a kind of test unit, and especially a kind of cable GIS terminal test unit specifically is used for the high-pressure cross-linking cable between switchyard that two ends are the GIS terminal and the verifying attachment of corresponding accessory.
Background technology
Employing GIS(Gas Insulated Switchgear) the cable form of terminal has two kinds of situations usually: first kind of situation is that an end is the GIS terminal, and the other end is an outdoor terminal; Second kind of situation is that two ends are the GIS terminal.When the cable under first kind of situation carries out completion test, generally can disconnect, apply DC voltage (oil-filled cable) at cable outdoor terminal place or alternating voltage (crosslinked cable) carries out completion test from outdoor terminal and overhead transmission line.During cable completion test under second kind of situation, because the GIS cable switch air chamber structure of each GIS equipment producer there are differences, wherein lightning arrester in cable termination and the GIS air chamber, press and become very extensive that the structure that directly links to each other (no plug-in strip separates) uses in recent years, this causes testing then necessary dismounting cable termination and lightning arrester, pressing the change connecting rod by the commissioning test withstand voltage, test finishes and reinstalls connecting rod after cable termination is extracted out, afterwards cable termination is being installed, program is very loaded down with trivial details, need the unit of cooperation many, duty cycle is long.In case it is undesirable that completion test takes place, the maintenance workload of doing over again is big, has delayed electric system again and has come into operation the time, brings heavy economic losses.And the cable under second kind of situation is when carrying out completion test, can only be by taking 24 hours power frequency withstand tests; This method is the dielectric level of verification cable and annex effectively, and the test period is long, and the dispatching of power netwoks of part situation also can't possess this test condition.
Carry out completion test for second kind of situation, the external existing test unit that separately cable loop is carried out, and formed commodity, and the domestic blank that still belongs to.External this device is relatively heavier, and need be installed in GIS switch cubicle upper end when testing, and requires GIS switchyard factory building to have certain altitude and just can test; Therefore this device is not suitable for domestic GIS switchyard and carries out completion check.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of cable GIS terminal test unit is provided, and it is simple and compact for structure, and is in light weight, and on-the-spot adaptability is strong, and is with low cost, easy to operate, safe and reliable.
The technical scheme that provides according to the utility model, described cable GIS terminal test unit, comprise insulating cylinder body, an end end of described insulating cylinder body is provided with fixedly connected base plate, and insulating cylinder body is provided with fixedly connected insulating top cover corresponding to the other end end that base plate is set; Form the test cavity in the insulating cylinder body and between insulating top cover and base plate; Base plate is provided with and vacuumizes the hole, and the described hole that vacuumizes is connected with described test cavity; Insulating top cover is provided with the outlet bar, stretch in the insulating cylinder body after an end of described outlet bar passes insulating top cover, and outlet bar and insulating top cover is fastenedly connected; The outlet bar is provided with guide rod corresponding to the end of stretching in the insulating cylinder body, and described guide rod is electrically connected with the outlet bar; Be provided with guarded electrode in the insulating cylinder body, the shape and the insulating cylinder body of described insulating electrode match; The one end end and the base plate of insulating electrode fix.
Described base plate is provided with the GIS terminal, and an end of described insulation terminal passes behind the base plate in the guarded electrode; Described GIS terminal is electrically connected with the outlet bar by guide rod.
Described GIS terminal is provided with radome corresponding to the end that is positioned at guarded electrode; One end of guide rod is electrically connected with the GIS terminal after passing radome.Described GIS terminal is with snap ring corresponding to being positioned at the outer end of insulating cylinder body, and described snap ring is fastened and connected by snap ring fastening bolt and base plate.
Described insulating top cover is fixedlyed connected with insulating cylinder body by insulated bolt.Described base plate is fixedlyed connected with insulating cylinder body by the base plate set bolt.Charge into insulating gas by vacuumizing the hole in the described test cavity.Described insulating gas comprises nitrogen; The pressure of insulating gas is 0.2 ~ 0.4MPa in the described test cavity.
By register pin location-plate is installed on the described outlet bar, described location-plate and register pin all are positioned at outside the insulating cylinder body, and the contiguous insulating top cover of location-plate.Be provided with plain washer between described location-plate and insulating top cover, described plain washer is enclosed within on the outlet bar.
Advantage of the present utility model: the two ends of insulating cylinder body form the test cavity by base plate and insulating top cover, charge into nitrogen or other inert gases in the test cavity, have avoided use SF
6The pollution that gas brings; Be provided with insulating electrode in the insulating cylinder body, the GIS terminal stretches in the insulating electrode, thereby Electric Field Distribution is identical when guaranteeing the Electric Field Distribution of GIS terminal when test and working; The GIS terminal is electrically connected by guide rod and outlet bar, and whole device is easy to install, and is quick to the convenient test of GIS terminal, reduced the service condition to the GIS test, and weight is low, and on-the-spot applicability is strong, and is safe and reliable.
Description of drawings
Fig. 1 is user mode figure of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in Figure 1: the utility model comprises outlet bar 1, register pin 2, location-plate 3, plain washer 4, insulated bolt 5, insulating top cover 6, guide rod 7, insulating gas 8, insulating cylinder body 9, radome 10, guarded electrode 11, GIS terminal 12, base plate set bolt 13, base plate 14, shell vacuum orifice 15, snap ring 16, vacuumizes hole 17 and snap ring fastening bolt 18.
As shown in Figure 1: an end end of described insulating cylinder body 9 is provided with fixedly connected base plate 14, base plate 14 matches with the shape of insulating cylinder body 9 ends, described base plate 14 fixes by base plate set bolt 13 and insulating cylinder body 9, and base plate set bolt 13 is made by metal material.Insulating cylinder body 9 is provided with fixedly connected insulating top cover 6 corresponding to the other end end that base plate 14 is set, and described insulating top cover 6 also matches with the shape of insulating cylinder body 9 ends; Insulating top cover 6 fixes by insulated bolt 5 and insulating cylinder body 9.Form the test cavity by base plate 14 and insulating top cover 6 in the insulating cylinder body 9; Base plate 14 is provided with and vacuumizes hole 17, and the described hole 17 that vacuumizes distributes along the axis direction perpendicular to insulating cylinder body 8, vacuumizes hole 17 and is connected with the test cavity; Can be by vacuumizing hole 17 with the test cavity state that be evacuated, and in the test cavity, inject insulating gas 8 by vacuumizing hole 17.The end that vacuumizes hole 17 forms shell and takes out true opening 15.
The center of described insulating top cover 6 is provided with outlet bar 1, and an end of described outlet bar 1 stretches in the insulating cylinder body 9 after passing insulating top cover 6.Outlet bar 1 is provided with location-plate 3 corresponding to being positioned at insulating cylinder body 9 outer ends, and described location-plate 3 is installed on the outlet bar 1 by register pin 2.Described location-plate 3 and register pin 2 contiguous insulating top covers 6,4 of location-plate 3 and insulating top covers also are provided with plain washer 4, and described plain washer 4 is enclosed within on the outlet bar 1.Because outlet bar 1 is bigger corresponding to the end of stretching in the insulating cylinder body 9, so outlet bar 1 can be pulling out insulating cylinder body 9 corresponding to an end that stretches in the insulating cylinder body 9; Outlet bar 1 can guarantee that corresponding to location-plate 3 and register pin 2 are set outlet bar 1 can not continued to push in the insulating cylinder body 9 again, thereby guarantees being located by connecting of 6 of outlet bar 1 and insulating top covers.Outlet bar 1 is provided with guide rod 7 corresponding to the end that is positioned at insulating cylinder body 9, and guide rod 7 is embedded in the groove of outlet bar 1, and guide rod 7 is electrically connected with outlet bar 1.
Also be provided with guarded electrode 11 in the insulating cylinder body 9, described guarded electrode 11 adopts metal material to make; Fixedly connected with base plate 14 in one end end of guarded electrode 11, guarded electrode 11 axial length along insulating cylinder body 9 in insulating cylinder body 9 distributes, the size of guarded electrode 11 can guarantee to be positioned at the Electric Field Distribution of guarded electrode 11 GIS terminals 12 less than the size of insulating cylinder body 9 by guarded electrode 11.
As shown in Figure 1: during use, after GIS terminal 12 installations to be measured, entering switch cubicle needs to carry out before completion test.At first base plate 14 is inserted in GIS terminal 12, base plate 14 and GIS snap ring 16 is connected and fixed with snap ring set bolt 18.After radome 10 is installed in the end of GIS terminal 12, GIS terminal 12 is inserted in guarded electrode 11 corresponding to the end that radome 10 is set, and guarded electrode 11 usefulness metal bolts are fixed on the base plate 14, guarded electrode 11 is mainly used in balanced internal electric field and distributes, and this device internal electric field and actual track are consistent.Guide rod 7 is installed then, and is inserted in insulating cylinder body 9, insulating cylinder body 9 usefulness base plate set bolts 13 are connected and fixed with base plate 14.Before insulating top cover 6 is fixedly installed in insulating cylinder body 9, outlet bar 1, register pin 2, location-plate 3, plain washer 4 are installed on the insulating top cover 6 form hermetically-sealed construction earlier, do not dismantling in the completion test from now on.Insulating top cover 6 is installed at last, will guide rod 7 is inserted in the groove of outlet bar 1 to good center when top cover is installed, insulating top cover 6 be connected and fixed with insulating cylinder body 9 usefulness insulated bolts 5.
After this completion test device installation, need vacuumize, and fill N with 0.2～0.4Mpa by the test cavitys in 15 pairs of insulating cylinder body of shell vacuum orifice 9
2Gas or other inert gas are as insulating gas 8, thus replacement SF
6Gas avoids producing environmental pollution.During test, outlet bar 1 is as the high pressure leading-in end, and the magnitude of voltage that applies test determination carries out completion test, obtains corresponding experiment data; Because the effect of insulating cylinder body 9 and guarded electrode 11 makes that the Electric Field Distribution of GIS terminal 12 ends is consistent with the actual electrical field distribution, thus validity that can warranty test.After the off-test, open the venting valve and emit insulating gas 8, pull down insulating top cover 6, insulating cylinder body 9, guide rod 7, guarded electrode 11, radome 10, metal base plate 14 then successively.At last the GIS terminal is inserted in the switch cubicle.
The two ends of the utility model insulating cylinder body 9 form the test cavity by base plate 14 and insulating top cover 6, charge into nitrogen or other inert gases in the test cavity, have avoided use SF
6The pollution that gas brings; Be provided with insulating electrode 11 in the insulating cylinder body 9, GIS terminal 12 stretches in the insulating electrode 11, thereby Electric Field Distribution is identical when guaranteeing the Electric Field Distribution of GIS terminal 12 when test and working; GIS terminal logical 12 is crossed guide rod 7 and is electrically connected with outlet bar 1, and whole device is easy to install, and is quick to the convenient test of GIS terminal, has reduced the service condition to the GIS test, and weight is low, and on-the-spot applicability is strong, and is safe and reliable.
Claims (9)
1. cable GIS terminal test unit, it is characterized in that: comprise insulating cylinder body (9), one end end of described insulating cylinder body (9) is provided with fixedly connected base plate (14), and insulating cylinder body (9) is provided with fixedly connected insulating top cover (6) corresponding to the other end end that base plate (14) is set; Form the test cavity in the insulating cylinder body (9) and between insulating top cover (6) and base plate (14); Base plate (14) is provided with and vacuumizes hole (17), and the described hole (17) that vacuumizes is connected with described test cavity; Insulating top cover (6) is provided with outlet bar (1), and an end of described outlet bar (1) stretches in the insulating cylinder body (9) after passing insulating top cover (6), and outlet bar (1) is fastenedly connected with insulating top cover (6); Outlet bar (1) is provided with guide rod (7) corresponding to the end of stretching in the insulating cylinder body (9), and described guide rod (7) is electrically connected with outlet bar (1); Be provided with guarded electrode (11) in the insulating cylinder body (9), the shape of described insulating electrode (11) and insulating cylinder body (9) match; The one end end and the base plate (14) of insulating electrode (11) fix.
2. cable GIS terminal test unit according to claim 1, it is characterized in that: described base plate (14) is provided with GIS terminal (12), and an end of described GIS terminal (12) passes in base plate (14) the back guarded electrode (11); Described GIS terminal (12) is electrically connected with outlet bar (1) by guide rod (7).
3. cable GIS terminal test unit according to claim 2, it is characterized in that: described GIS terminal (12) is provided with radome (10) corresponding to the end that is positioned at guarded electrode (11); One end of guide rod (7) passes radome (10) and is electrically connected with GIS terminal (12).
4. cable GIS terminal test unit according to claim 2, it is characterized in that: described GIS terminal (12) is with snap ring (16) corresponding to being positioned at the outer end of insulating cylinder body (9), and described snap ring (16) is fastened and connected by snap ring fastening bolt (18) and base plate (14).
5. cable GIS terminal test unit according to claim 1 is characterized in that: described insulating top cover (6) is fixedlyed connected with insulating cylinder body (9) by insulated bolt (5).
6. cable GIS terminal test unit according to claim 1 is characterized in that: described base plate (14) is fixedlyed connected with insulating cylinder body (9) by base plate set bolt (13).
7. cable GIS terminal test unit according to claim 1 is characterized in that: charge into insulating gas (8) by vacuumizing hole (17) in the described test cavity.
8. cable GIS terminal test unit according to claim 1, it is characterized in that: described outlet bar (1) is gone up and by register pin (2) location-plate (3) is installed, described location-plate (3) all is positioned at outside the insulating cylinder body (9) with register pin (2), and the contiguous insulating top cover (6) of location-plate (3).
9. cable GIS terminal test unit according to claim 8 is characterized in that: be provided with plain washer (4) between described location-plate (3) and insulating top cover (6), described plain washer (4) is enclosed within on the outlet bar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206743734U CN201886101U (en) | 2010-12-22 | 2010-12-22 | Tester for cable geographic information system (GIS) terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206743734U CN201886101U (en) | 2010-12-22 | 2010-12-22 | Tester for cable geographic information system (GIS) terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886101U true CN201886101U (en) | 2011-06-29 |
Family
ID=44183649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206743734U Expired - Fee Related CN201886101U (en) | 2010-12-22 | 2010-12-22 | Tester for cable geographic information system (GIS) terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886101U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004201A (en) * | 2010-12-22 | 2011-04-06 | 江苏省电力公司无锡供电公司 | Cable gas insulated switchgear (GIS) terminal tester |
| CN102445643A (en) * | 2011-09-30 | 2012-05-09 | 云南电力试验研究院(集团)有限公司 | GIS (Gas Insulated Switchgear) test platform capable of adjusting electrode structure |
| CN102901917A (en) * | 2012-10-22 | 2013-01-30 | 云南电力试验研究院（集团）有限公司电力研究院 | Field generating device of steep pulses |
| CN103091571A (en) * | 2011-11-01 | 2013-05-08 | 江苏思源赫兹互感器有限公司 | Three-phase test device for gas insulated and metal enclosed switchgear (GIS) |
| CN103308799A (en) * | 2013-05-31 | 2013-09-18 | 国家电网公司 | Device and method for measuring parameters of cable line connected with GIS (gas insulated metal-enclosed switchgear) |
| 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 |
| CN108918921A (en) * | 2018-08-06 | 2018-11-30 | 河海大学 | A kind of 220kV submarine cable GIS terminal pressure resistance ancillary equipment |
-
2010
- 2010-12-22 CN CN2010206743734U patent/CN201886101U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004201B (en) * | 2010-12-22 | 2012-08-15 | 江苏省电力公司无锡供电公司 | Cable gas insulated switchgear (GIS) terminal tester |
| CN102004201A (en) * | 2010-12-22 | 2011-04-06 | 江苏省电力公司无锡供电公司 | Cable gas insulated switchgear (GIS) terminal tester |
| CN102445643B (en) * | 2011-09-30 | 2014-01-01 | 云南电力试验研究院(集团)有限公司 | GIS (Gas Insulated Switchgear) test platform capable of adjusting electrode structure |
| CN102445643A (en) * | 2011-09-30 | 2012-05-09 | 云南电力试验研究院(集团)有限公司 | GIS (Gas Insulated Switchgear) test platform capable of adjusting electrode structure |
| CN103091571A (en) * | 2011-11-01 | 2013-05-08 | 江苏思源赫兹互感器有限公司 | Three-phase test device for gas insulated and metal enclosed switchgear (GIS) |
| CN102901917A (en) * | 2012-10-22 | 2013-01-30 | 云南电力试验研究院（集团）有限公司电力研究院 | Field generating device of steep pulses |
| CN102901917B (en) * | 2012-10-22 | 2015-04-01 | 云南电力试验研究院（集团）有限公司电力研究院 | Field generating device of steep pulses |
| 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 |
| CN103308799A (en) * | 2013-05-31 | 2013-09-18 | 国家电网公司 | Device and method for measuring parameters of cable line connected with GIS (gas insulated metal-enclosed switchgear) |
| CN103308799B (en) * | 2013-05-31 | 2015-12-23 | 国家电网公司 | The Apparatus and method for that a kind of cable-line parameter be connected with GIS is measured |
| CN108918921A (en) * | 2018-08-06 | 2018-11-30 | 河海大学 | A kind of 220kV submarine cable GIS terminal pressure resistance ancillary equipment |
| CN108918921B (en) * | 2018-08-06 | 2020-07-17 | 河海大学 | Withstand voltage auxiliary assembly of 220kV submarine cable GIS terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20121222 |