CN205720542U - High-voltage cable GIS terminal assay device - Google Patents
High-voltage cable GIS terminal assay device Download PDFInfo
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- CN205720542U CN205720542U CN201620648923.2U CN201620648923U CN205720542U CN 205720542 U CN205720542 U CN 205720542U CN 201620648923 U CN201620648923 U CN 201620648923U CN 205720542 U CN205720542 U CN 205720542U
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- gis terminal
- assay device
- test
- high pressure
- test cylinder
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Abstract
This utility model provides a kind of high-voltage cable GIS terminal assay device, mainly solves current switchyard safe distance GIS terminal assay device little, existing and cannot be carried out the technical problem of on-the-spot test.Technical scheme: a kind of high-voltage cable GIS terminal assay device, including test cylinder, it is characterized in that end, one end mucilage binding of described test cylinder fixes the metal flange of connection, metal flange is fixed on base plate, and the other end end of test cylinder is fixing connects high pressure retraction mechanism；Sealing test cavity is formed between described test cylinder intracoelomic cavity and high pressure retraction mechanism and base plate；Described GIS terminal is arranged in sealing test cavity, and described high pressure retraction mechanism top is provided with the high tension terminal for external high-tension electricity, and high pressure retraction mechanism is electrically connected with GIS terminal by conducting connecting bar；It is provided with bucking electrode in described test cylinder body.The HV cross-linking cable system experimental test that this utility model is particularly suitable in the switchyard of compact conformation.
Description
Technical field
This utility model provides a kind of high-voltage cable GIS terminal assay device, and especially a kind of two ends that are used for are GIS
The assay device of the HV cross-linking cable system between the switchyard of terminal, the high pressure being particularly suitable in the switchyard of compact conformation
Crosslinked cable STS system test set.
Background technology
Along with development and the application of new and high technology of power industry, switchgear device company designs and produces level
Improving constantly, the switchyard in modern city area the most gradually develops into miniaturization and intellectuality.According to the requirement in IEC60840,
Cable system also needs to the electrical test after installing after installing.
If after cable system installation, tested together with the relevant device being connected, just in case cable or terminal event
Barrier causes punch through and may injure connected equipment, and maintenance workload of doing over again is big, has delayed again power system when coming into operation
Between, bring heavy economic losses.Therefore to prevent from causing connected device damage owing to cable termination punctures, general cable
Need to remove the equipment that is connected with cable termination before system test, to be tested complete after reinstalling, program is the most loaded down with trivial details, need
Unit to be coordinated is many, and duty cycle is long.
When two ends are GIS terminal, although all develop at present both at home and abroad and individually cable loop is carried out
Assay device, and formed commodity, but the most domestic safe distance having a lot of switchyard surrounding space is the least, existing
GIS terminal assay device cannot meet the demand of on-the-spot test.
Summary of the invention
The purpose of this utility model is that prior art is optimized design studies, meets surrounding space safe distance less
Switchyard in GIS terminal test requirements document, it is provided that a kind of high-voltage cable GIS terminal assay device, mainly solve current switchyard
Safe distance GIS terminal assay device little, existing cannot be carried out the technical problem of on-the-spot test.
In order to achieve the above object, the technical scheme that this utility model provides is, a kind of high-voltage cable GIS terminal test dress
Put, including test cylinder, it is characterized in that end, one end mucilage binding of described test cylinder fixes the metal flange of connection, metal flange
Being fixed on base plate, the other end end of test cylinder is fixing connects high pressure retraction mechanism；Described test cylinder intracoelomic cavity and high pressure
Sealing test cavity is formed between retraction mechanism and base plate；Described GIS terminal is arranged in sealing test cavity, and described high pressure introduces
Mechanism top is provided with the high tension terminal for external high-tension electricity, and high pressure retraction mechanism is by conducting connecting bar and GIS terminal electricity
Gas connects；Described base plate is provided with vacuum pumping port, and described vacuum pumping port is connected with described sealing test cavity；Described test cylinder
Internal it is provided with bucking electrode, for realizing the practical operation situation of Simulated GlS terminal.Bucking electrode is closely joined with test cylinder
Close, do not increase the size of assay device.
Described high pressure retraction mechanism and test cylinder fix by high pressure retraction mechanism that bolt is fixing to be connected, and described test fills
Having installed high-tension shielding cover, high pressure retraction mechanism is positioned over inside radome, effectively overcomes the tip of high-voltage connection junction
The shelf depreciation caused, makes Electric Field Distribution at this more uniform, improves the dielectric level of assay device, reduce shelf depreciation
Amount.
Described base plate fixes by base plate that bolt and metal flange are fixing to be connected.Vacuum is passed through in described sealing test cavity
Pumping mouth is filled with insulating gas.Described insulating gas is SF6；In described test chamber body, the pressure of insulating gas is 0.05 ~ 0.3MPa.
Installing GIS terminal by described base plate, described GIS terminal stretches in bucking electrode after base plate.In GIS terminal
Being cased with snap ring, snap ring is fastenedly connected with base plate by snap ring fastening bolt.
The beneficial effects of the utility model: assay device simple in construction of the present invention, it is easy to installing, GIS terminal is inserted directly into
Assay device can carry out pressure test.The two ends of test cylinder form sealing test chamber by base plate with high pressure retraction mechanism
Body, is filled with the SF of lower pressure in sealing test cavity6Gas, safe and reliable；It is provided with bucking electrode, its size in test cylinder body
With test cylinder perfect cooperation, do not increase the size of assay device；GIS terminal stretches in bucking electrode, thus ensures GIS terminal
Electric Field Distribution when test is identical with Electric Field Distribution during work；GIS terminal passes through conducting connecting bar and high pressure retraction mechanism phase
Electrical connection, improves the sealing property of whole device.This utility model is quick to the convenient test of GIS terminal, reduces GIS
The use condition of test, weight is low, and the on-the-spot suitability is strong, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-high pressure retraction mechanism, 2-high-tension shielding cover, 3-plain washer, 4-high pressure retraction mechanism fixes bolt, 5-leads
Be electrically connected extension bar, 6-SF6 gas, 7-test cylinder, 8-GIS terminal, 9-base plate fix bolt, 10-base plate, 11-vacuum pumping port,
12-snap ring, 13-snap ring fastening bolt, 14-bucking electrode.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1: a kind of high-voltage cable GIS terminal assay device, including test cylinder 7, the one of described test cylinder 7
End end mucilage binding fixes the metal flange of connection, and metal flange is fixed bolt 9 by base plate and is fixed on base plate 10, base plate 10 and
The shape of test cylinder 7 end matches, and the other end end of test cylinder 7 is fixed by plain washer 3 and high pressure retraction mechanism
Bolt 4 is fixing connects high pressure retraction mechanism 1, and described high pressure retraction mechanism 1 also matches with the shape testing cylinder 7 end；Institute
State and between test cylinder 7 inner chamber and high pressure retraction mechanism and base plate, form sealing test cavity；Described GIS terminal 8 is arranged on sealing
In test cavity, described high pressure retraction mechanism top is provided with the high tension terminal for external high-tension electricity, and high tension terminal is with high
Pressure retraction mechanism is an entirety, herein and be provided without shaft seal design, improves the reliability of sealing, can reduce operation stream simultaneously
Journey, high pressure retraction mechanism is electrically connected with GIS terminal 8 by conducting connecting bar 5；Described base plate is provided with vacuum pumping port 11, institute
State vacuum take out hole 11 along be perpendicular to test cylinder 8 axis direction distribution, described vacuum pumping port and described sealing test cavity phase
Connection, by vacuum take out hole 11 can test cavity vacuum state, and take out hole 11 by vacuum and note in test chamber body
Enter SF6 gas 6.It is provided with bucking electrode 14 in described test cylinder body, is cast for one with the insulant of test cylinder, described
Its size of bucking electrode closely cooperates with test cylinder, does not increase the size of assay device, but also can realize Simulated GlS eventually
The practical operation situation of end 8.
Base plate 10 is provided with GIS terminal 8, and test cylinder shielding electricity is stretched into after base plate 10 in one end of described GIS terminal 8
In pole 14.In order to make GIS terminal 8 be fixedly installed on base plate 10, being cased with snap ring 12 in GIS terminal 8, described snap ring 12 is positioned at
Outside test cylinder 7；Snap ring 12 is fastenedly connected with base plate 10 by snap ring fastening bolt 13 simultaneously.High-tension shielding cover 2 is finally installed,
Inside radome to be fully seated at for high pressure retraction mechanism 1.
For the GIS terminal 8 of installation, should first carry out ac voltage withstanding test before entering high-voltage switch gear:
Need by shell vacuum pumping port 11 to test cylinder 7 in sealing test cavity evacuation, and be filled with 0.1～
The SF of 0.3Mpa6Gas 6.During test, the top center district outlet rod of high pressure retraction mechanism 1 has two through holes to connect easily
Entering high-voltage connection, the magnitude of voltage applying test determination carries out completion test；Due to the internal work being provided with bucking electrode of test cylinder 7
With so that the Electric Field Distribution of GIS terminal 8 end is consistent with actual Electric Field Distribution such that it is able to the effectiveness of guarantee test.Test
After end, open venting valve and release SF6Gas 6(or pass through SF6Gas concentration unit gas recovery), then have only to pull down
Base plate 10, then takes off the parts such as test cylinder, takes off conducting connecting bar 5.Finally GIS terminal is inserted switch cubicle
In.Base plate 10 hides the insertion hole of test cavity GIS terminal 8, and assay device enters dormant state, during test next time, takes off
Base plate 10, loads onto conducting connecting bar 5 by GIS terminal 8 to be measured, can carry out new test in inserting assay device.
Claims (7)
1. a high-voltage cable GIS terminal assay device, including test cylinder, is characterized in that the end, one end of described test cylinder
Mucilage binding fixes the metal flange of connection, and metal flange is fixed on base plate, and the other end end of test cylinder is fixing connects high pressure
Retraction mechanism；Sealing test cavity is formed between described test cylinder intracoelomic cavity and high pressure retraction mechanism and base plate；Described GIS terminal is pacified
Being contained in sealing test cavity, described high pressure retraction mechanism top is provided with the high tension terminal for external high-tension electricity, and high pressure draws
Enter mechanism to be electrically connected with GIS terminal by conducting connecting bar；It is provided with bucking electrode in described test cylinder body.
High-voltage cable GIS terminal assay device the most according to claim 1, is characterized in that described base plate is provided with vacuum and takes out
Mouthful, described vacuum pumping port is connected with described sealing test cavity.
High-voltage cable GIS terminal assay device the most according to claim 2, is characterized in that described vacuum takes out hole along being perpendicular to
The axis direction distribution of test cylinder.
High-voltage cable GIS terminal assay device the most according to claim 1, is characterized in that described bucking electrode and test
Cylinder is cast integral piece.
High-voltage cable GIS terminal assay device the most according to claim 1, is characterized in that described assay device is provided with high pressure
Radome, high pressure retraction mechanism is positioned over inside radome.
High-voltage cable GIS terminal assay device the most according to claim 1, is characterized in that being cased with in GIS terminal snap ring, card
Ring is fastenedly connected with base plate by snap ring fastening bolt.
High-voltage cable GIS terminal assay device the most according to claim 1, is characterized in that described GIS terminal is through base plate
After stretch in bucking electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620648923.2U CN205720542U (en) | 2016-06-28 | 2016-06-28 | High-voltage cable GIS terminal assay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620648923.2U CN205720542U (en) | 2016-06-28 | 2016-06-28 | High-voltage cable GIS terminal assay device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205720542U true CN205720542U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620648923.2U Active CN205720542U (en) | 2016-06-28 | 2016-06-28 | High-voltage cable GIS terminal assay device |
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| Country | Link |
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| CN (1) | CN205720542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954658A (en) * | 2016-06-28 | 2016-09-21 | 上海三原电缆附件有限公司 | High-voltage cable GIS terminal test apparatus |
-
2016
- 2016-06-28 CN CN201620648923.2U patent/CN205720542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954658A (en) * | 2016-06-28 | 2016-09-21 | 上海三原电缆附件有限公司 | High-voltage cable GIS terminal test apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |