CN106324457B - Withstand voltage testing device for insulating part - Google Patents
Withstand voltage testing device for insulating part Download PDFInfo
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- CN106324457B CN106324457B CN201610712672.4A CN201610712672A CN106324457B CN 106324457 B CN106324457 B CN 106324457B CN 201610712672 A CN201610712672 A CN 201610712672A CN 106324457 B CN106324457 B CN 106324457B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1281—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of liquids or gases
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- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses an insulating part withstand voltage testing device which comprises a testing main body, a power transmission rod and a plurality of insulating parts, wherein the testing main body is provided with a plurality of power transmission rods; a closed cavity is formed in the test main body, the closed cavity is filled with test insulating gas SF6, and the power-on rod is arranged in the closed cavity; the insulating pieces are arranged in the closed cavity, the insulating pieces are connected in parallel, one ends of the insulating pieces are respectively connected with the power-on rod, and the other ends of the insulating pieces are respectively grounded. The invention can improve the efficiency of the voltage withstand test of the insulating part and improve the reliability of the test.
Description
Technical Field
The invention relates to the technical field of insulation part withstand voltage test of high-voltage switch equipment, in particular to an insulation part withstand voltage test device.
Background
In the technical field of high-voltage switchgear, the voltage resistance of the insulating member directly affects the use safety of the high-voltage switchgear, so that the insulating member of the high-voltage switchgear needs to be subjected to voltage resistance test.
In the prior art, a method for testing withstand voltage of an insulating part in high-voltage switch equipment is generally as follows: firstly, an insulating part is installed in high-voltage switch equipment for testing, and the defect is that: because the insulating parts in the high-voltage switch equipment are more, when one insulating part is broken down, all the insulating parts need to be removed one by one, and the test efficiency is lower.
In view of this, in order to improve the withstand voltage test efficiency of the insulating member, it is necessary to perform the withstand voltage test before the insulating member is installed in the high voltage switchgear.
Disclosure of Invention
The invention aims to provide an insulating part withstand voltage testing device which is used for improving the efficiency of insulating part withstand voltage testing and improving the reliability of the testing.
To achieve the above object, the solution of the present invention is:
a voltage withstand testing device for insulating parts comprises a testing main body, a power transmission rod and a plurality of insulating parts; a closed cavity is formed in the test main body, the closed cavity is filled with test insulating gas SF6, and the power-on rod is arranged in the closed cavity; the insulating pieces are arranged in the closed cavity, the insulating pieces are connected in parallel, one ends of the insulating pieces are respectively connected with the power-on rod, and the other ends of the insulating pieces are respectively grounded.
Further, the electric conduction device further comprises an electric conduction seat, an inner groove is formed in the lower end of the energizing rod, the upper end of the electric conduction seat is inserted into the inner groove, a compression spring is installed between the upper end of the electric conduction seat and the inner groove of the energizing rod, and the lower end of the electric conduction seat is connected with a plurality of insulating pieces.
Further, an opening is formed on the side wall of the test main body, a cover plate is mounted on the opening in a sealing manner, a three-way self-sealing valve is mounted on the cover plate and communicated with the closed cavity, SF6 gas enters the closed cavity through the three-way self-sealing valve, and an SF6 pressure gauge is mounted on the three-way self-sealing valve.
Further, the test main body comprises a shell, a sleeve and a frame body, a closed cavity is formed in the shell, the sleeve is arranged at the upper end of the shell through a transition flange, the power-on rod is arranged in the sleeve and extends into the closed cavity of the shell, a shielding cover is arranged at the joint of the sleeve and the shell, and the shielding cover surrounds the lower end of the power-on rod; the lower end of the shell is arranged on the frame body through a fixing plate.
Further, the insulating piece is an insulating disc, a plurality of insulating discs are arranged in a stacked mode, a supporting ring is arranged at the periphery of each insulating disc, a shielding ring and a compression spring are arranged at the middle part of each insulating disc, the middle parts of the insulating discs are respectively connected with the conductive seat through conductors, and the periphery of the insulating discs are grounded through screws.
Further, the uppermost insulating disc of the plurality of insulating discs stacked is connected to the conductive base through a connection block.
Further, a lower supporting ring is arranged on the lowest insulating disc of the plurality of insulating discs in a stacked mode, a screw rod is connected with the lower supporting ring, and the lower supporting ring is grounded; and a shielding cover is arranged on a conductor which is communicated with the conducting seat on the lowest insulating disk, and the shielding cover is arranged in the lower supporting ring.
Further, an upper support ring is mounted on the uppermost insulating disk of the plurality of insulating disks which are stacked, the upper end of the screw rod is screwed on the upper support ring, and a shielding nut is mounted on the upper end of the screw rod.
Further, the insulating piece is an insulating table, a plurality of insulating tables are arranged in a stacked mode, one ends of the insulating tables are connected with the conducting base through a conducting rod, and the other ends of the insulating tables are grounded through another conducting rod.
Further, the insulating piece is an insulating pull rod, a plurality of insulating pull rods are arranged side by side, the upper ends of the insulating pull rods are arranged on an upper positioning plate, the upper positioning plate is connected with the conductive seat through a conductive block, and a shielding cover is arranged at the periphery of the upper positioning plate; the lower ends of the plurality of insulating pull rods are arranged on a lower positioning plate, the lower positioning plate is arranged on a lower supporting ring, and the lower supporting ring is grounded.
Further, the insulating piece is an insulating pull rod, a plurality of insulating pull rods are arranged side by side, the upper ends of the insulating pull rods are arranged on an upper positioning plate, the upper positioning plate is connected with the conductive seat through a conductive rod, and a shielding cover is arranged at the periphery of the upper positioning plate; the lower ends of the plurality of insulating pull rods are arranged on a lower positioning plate, the lower positioning plate is arranged on a lower supporting ring, and the lower supporting ring is grounded.
After the scheme is adopted, a closed cavity is formed in the test main body, the closed cavity is filled with the test insulating gas SF6, and the conducting rod is arranged in the closed cavity; the insulating pieces are arranged in the closed cavity, the insulating pieces are connected in parallel, one ends of the insulating pieces are respectively connected with the power-on rod, the other ends of the insulating pieces are respectively grounded, and when the voltage resistance of the insulating pieces is tested, the voltage of the power-on rod is adjusted to the test voltage to judge whether the insulating pieces are broken down.
The invention can carry out voltage withstand test before the insulating piece is mounted on the high-voltage switch equipment, can test a plurality of insulating pieces at one time, can improve the efficiency of the voltage withstand test of the insulating pieces, and improves the reliability of the test.
Drawings
FIG. 1 is a schematic diagram of a test insulation station according to the present invention;
FIG. 1a is a cross-sectional view taken along the direction of FIG. 1 A-A;
FIG. 2 is a schematic view of another angle of the test insulation station according to the present invention;
FIG. 3 is a structural entity diagram of a test insulating disc of the present invention;
FIG. 4 is a schematic diagram of the structure of the test longer insulating pull rod of the present invention;
FIG. 4a is a cross-sectional view taken along the direction of FIG. 4 A-A;
fig. 5 to 7 are schematic structural views of the present invention for testing different types of shorter insulating ties.
Description of the reference numerals
Sealed cavity 11 of test body 1
Cover plate 13 of opening 12
Three-way self-sealing valve 14 SF6 pressure gauge 15.
Fixing plate 161 of housing 16
Transition flange 171 of sleeve 17
Frame 18 power pole 2
Inner groove 21 insulator 3
Insulating bench 31 conductive rod (311, 312)
Insulating disk 32 support ring 321
The shield ring 322 compresses the spring 323
Screw 324 lower support ring 325
Support ring 327 on shield 326
Shielding nut 328 conductive seat 4
The compression spring 5 shields the cap 6.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 7, the invention discloses an insulation part withstand voltage testing device, which comprises a testing main body 1, an energizing rod 2 and a plurality of insulation parts 3.
A closed cavity 11 is formed in the test body 1, a test insulating gas SF6 is filled in the closed cavity 11, and the power-on lever 2 is installed in the closed cavity 11. A plurality of insulators 3 are installed in the closed cavity 11, the insulators 3 are connected in parallel, one ends of the insulators 3 are respectively connected with the energizing rod 2, and the other ends of the insulators 3 are respectively grounded.
When the voltage-withstand performance of the insulator 3 is tested, the voltage of the energizing rod 2 is adjusted to the test voltage, and it is judged whether the insulator 3 is broken down. The invention can perform voltage withstand test before the insulator 3 is mounted to the high-voltage switch equipment, and can test a plurality of insulators 3 at one time, thereby improving the efficiency of voltage withstand test of the insulator 3 and improving the reliability of the test.
The invention also comprises a conductive seat 4, as shown in fig. 2, an inner groove 21 is arranged at the lower end of the energizing rod 2, the upper end of the conductive seat 4 is inserted into the inner groove 21, a compression spring 5 is arranged between the upper end of the conductive seat 4 and the inner groove 21 of the energizing rod 2, the lower end of the conductive seat 4 is connected with a plurality of insulating pieces 3, the connection error between the conductive seat 4 and the insulating pieces 3 can be compensated due to the action of the compression spring 5, and the connection tolerance usually exists during testing, and the compression spring 5 can be effectively compensated, so that the contact is better.
An opening 12 is formed on the side wall of the test main body 1, a cover plate 13 is arranged on the opening 12 in a sealing way, a three-way self-sealing valve 14 is arranged on the cover plate 13, the three-way self-sealing valve 14 is communicated with the closed cavity 11, SF6 gas enters the closed cavity 11 through the three-way self-sealing valve 14, and an SF6 pressure gauge 15 is arranged on the three-way self-sealing valve 14.
The test main body 1 comprises a shell 16, a sleeve 17 and a frame 18, wherein a closed cavity 11 is formed in the shell 16, the sleeve 17 is arranged at the upper end of the shell 16 through a transitional flange 171, the power-on rod 2 is arranged in the sleeve 17 and extends into the closed cavity 11 of the shell 16, a shielding cover 6 is arranged at the joint of the sleeve 17 and the shell 16, and the shielding cover 6 surrounds the lower end of the power-on rod 2; the lower end of the housing 16 is mounted to the frame 18 by a fixing plate 161, and the test body structure facilitates the mounting test.
As shown in fig. 1 to 2, the insulating member 3 is an insulating base 31, and a plurality of insulating bases 31 are stacked, three insulating bases 31 are shown, one end of the plurality of insulating bases 31 is connected to the conductive base 4 through a conductive rod 311, and the other end of the plurality of insulating bases 31 is grounded through another conductive rod 312. One end of the conductive rod 311 is connected to the upper end of the upper insulating table 31, the other end of the conductive rod 311 is connected to the lower end of the middle insulating table 31 and the upper end of the lower insulating table 31, and the lower end of the lower insulating table 31 is grounded; one end of the conductive rod 312 is connected to the lower end of the upper insulating base 31 and the upper end of the intermediate insulating base 31, and the other end of the conductive rod 312 is grounded.
As shown in fig. 3, the insulator 3 is an insulating disk 32 in which a plurality of insulating disks 32 are stacked, a supporting ring 321 is provided at a peripheral portion between the insulating disks 32, a shielding ring 322 and a compression spring 323 are provided at an intermediate portion between the insulating disks 32, the compression spring 323 makes mounting errors between the insulating disks 32 small, the intermediate portions of the plurality of insulating disks 32 are respectively connected to the conductive base 4 via conductors, and the peripheral portions of the plurality of insulating disks 32 are grounded via screws 324.
In the present embodiment, the uppermost insulating disk 32 of the plurality of insulating disks 32 stacked is connected to the conductive base 4 through the connection block 41.
A lower support ring 325 is mounted on the lowest insulating disk 32 of the plurality of insulating disks 32 which are stacked, the screw 324 is connected with the lower support ring 325, and the lower support ring 325 is grounded; a shield 326 is mounted on the conductor on the lowermost insulating disk 32 in communication with the conductive socket 4, the shield 326 being disposed in a lower support ring 325.
The uppermost insulating disk 32 of the plurality of insulating disks 32 stacked is fitted with an upper support ring 327, the upper end of the screw 324 is screwed to the upper support ring 327, and a shield nut 328 is fitted to the upper end of the screw 324.
As shown in fig. 4 and 4a, the insulating member 3 is an insulating pull rod 33, a plurality of insulating pull rods 33 are arranged side by side, as shown in fig. 4a, 5 insulating pull rods 33 can be arranged, in this embodiment, the insulating pull rods 33 are longer, the upper ends of the plurality of insulating pull rods 33 are mounted on an upper positioning plate 331, the upper positioning plate 331 is connected with the conductive base 4 through a conductive block 332, and a shielding cover 333 is arranged at the periphery of the upper positioning plate 331; the plurality of insulating tie rods 33 are mounted at the lower ends thereof on a lower positioning plate 334, the lower positioning plate 334 is mounted on a lower support ring 335, and the lower support ring 335 is grounded.
As shown in fig. 5 to 7, the insulating tie rods 33 are relatively short, a plurality of insulating tie rods 33 are arranged side by side, the upper ends of the plurality of insulating tie rods 33 are mounted on the upper positioning plate 331, the upper positioning plate 331 is connected with the conductive base 4 through the conductive rod 336, and the shielding cover 333 is arranged at the periphery of the upper positioning plate 331; the plurality of insulating tie rods 33 are mounted at the lower ends thereof on a lower positioning plate 334, the lower positioning plate 334 is mounted on a lower support ring 335, and the lower support ring 335 is grounded. Fig. 5-7 illustrate three different types of shorter insulating ties 33.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (6)
1. The utility model provides a withstand voltage testing arrangement of insulating part which characterized in that: the test device comprises a test main body, a transmission rod and a plurality of insulating pieces; a closed cavity is formed in the test main body, the closed cavity is filled with test insulating gas SF6, and the power-on rod is arranged in the closed cavity; the plurality of insulating pieces are arranged in the closed cavity, the plurality of insulating pieces are connected in parallel, one ends of the plurality of insulating pieces are respectively connected with the power-on rod, and the other ends of the plurality of insulating pieces are respectively grounded;
the insulating part withstand voltage testing device also comprises a conductive seat, wherein an inner groove is formed in the lower end of the energizing rod, the upper end of the conductive seat is inserted into the inner groove, a compression spring is arranged between the upper end of the conductive seat and the inner groove of the energizing rod, and the lower end of the conductive seat is connected with a plurality of insulating parts;
the insulating piece is an insulating disc, a plurality of insulating discs are arranged in a stacked mode, a supporting ring is arranged at the periphery parts among the insulating discs, a shielding ring and a compression spring are arranged at the middle parts among the insulating discs, the middle parts of the plurality of insulating discs are respectively connected with a conductive seat through conductors, and the periphery parts of the plurality of insulating discs are grounded through screws; a lower supporting ring is arranged on the lowest insulating disc of the plurality of insulating discs which are arranged in a stacked manner, a screw rod is connected with the lower supporting ring, and the lower supporting ring is grounded; a shielding cover is arranged on a conductor which is communicated with the conducting seat on the insulation disc at the lowest end, and the shielding cover is arranged in the lower supporting ring; the upper supporting ring is arranged at the uppermost insulating disc of the plurality of insulating discs in a stacked manner, the upper end of the screw rod is in threaded connection with the upper supporting ring, and the shielding screw cap is arranged at the upper end part of the screw rod;
the test main body comprises a shell, a sleeve and a frame body, wherein a closed cavity is formed in the shell, the sleeve is arranged at the upper end of the shell through a transition flange, the power-on rod is arranged in the sleeve and extends into the closed cavity of the shell, a shielding cover is arranged at the joint of the sleeve and the shell, and the shielding cover surrounds the lower end of the power-on rod; the lower end of the shell is arranged on the frame body through a fixing plate.
2. The insulation part withstand voltage test device according to claim 1, wherein: the uppermost insulating disc of the plurality of insulating discs which are arranged in a stacked manner is connected with the conductive seat through a connecting block.
3. The utility model provides a withstand voltage testing arrangement of insulating part which characterized in that: the test device comprises a test main body, a transmission rod and a plurality of insulating pieces; a closed cavity is formed in the test main body, the closed cavity is filled with test insulating gas SF6, and the power-on rod is arranged in the closed cavity; the plurality of insulating pieces are arranged in the closed cavity, the plurality of insulating pieces are connected in parallel, one ends of the plurality of insulating pieces are respectively connected with the power-on rod, and the other ends of the plurality of insulating pieces are respectively grounded;
the insulating part withstand voltage testing device also comprises a conductive seat, wherein an inner groove is formed in the lower end of the energizing rod, the upper end of the conductive seat is inserted into the inner groove, a compression spring is arranged between the upper end of the conductive seat and the inner groove of the energizing rod, and the lower end of the conductive seat is connected with a plurality of insulating parts;
the insulating piece is an insulating table, a plurality of insulating tables are arranged in a stacked mode, one ends of the insulating tables are connected with the conducting base through a conducting rod, and the other ends of the insulating tables are grounded through another conducting rod; one end of a conductive rod is connected with the upper end of the upper insulating table, the other end of the conductive rod is connected with the lower end of the middle insulating table and the upper end of the lower insulating table, and the lower end of the lower insulating table is grounded; one end of the other conducting rod is connected with the lower end of the upper insulating table and the upper end of the middle insulating table, and the other end of the other conducting rod is grounded;
the test main body comprises a shell, a sleeve and a frame body, wherein a closed cavity is formed in the shell, the sleeve is arranged at the upper end of the shell through a transition flange, the power-on rod is arranged in the sleeve and extends into the closed cavity of the shell, a shielding cover is arranged at the joint of the sleeve and the shell, and the shielding cover surrounds the lower end of the power-on rod; the lower end of the shell is arranged on the frame body through a fixing plate.
4. The utility model provides a withstand voltage testing arrangement of insulating part which characterized in that: the test device comprises a test main body, a transmission rod and a plurality of insulating pieces; a closed cavity is formed in the test main body, the closed cavity is filled with test insulating gas SF6, and the power-on rod is arranged in the closed cavity; the plurality of insulating pieces are arranged in the closed cavity, the plurality of insulating pieces are connected in parallel, one ends of the plurality of insulating pieces are respectively connected with the power-on rod, and the other ends of the plurality of insulating pieces are respectively grounded;
the insulating part withstand voltage testing device also comprises a conductive seat, wherein an inner groove is formed in the lower end of the energizing rod, the upper end of the conductive seat is inserted into the inner groove, a compression spring is arranged between the upper end of the conductive seat and the inner groove of the energizing rod, and the lower end of the conductive seat is connected with a plurality of insulating parts;
the insulating part is an insulating pull rod, a plurality of insulating pull rods are arranged side by side, the upper ends of the plurality of insulating pull rods are arranged on an upper positioning plate, the upper positioning plate is connected with a conductive seat through a conductive block, and a shielding cover is arranged at the periphery of the upper positioning plate; the lower ends of the plurality of insulating pull rods are arranged on a lower positioning plate, the lower positioning plate is arranged on a lower supporting ring, and the lower supporting ring is grounded;
the test main body comprises a shell, a sleeve and a frame body, wherein a closed cavity is formed in the shell, the sleeve is arranged at the upper end of the shell through a transition flange, the power-on rod is arranged in the sleeve and extends into the closed cavity of the shell, a shielding cover is arranged at the joint of the sleeve and the shell, and the shielding cover surrounds the lower end of the power-on rod; the lower end of the shell is arranged on the frame body through a fixing plate.
5. The utility model provides a withstand voltage testing arrangement of insulating part which characterized in that: the test device comprises a test main body, a transmission rod and a plurality of insulating pieces; a closed cavity is formed in the test main body, the closed cavity is filled with test insulating gas SF6, and the power-on rod is arranged in the closed cavity; the plurality of insulating pieces are arranged in the closed cavity, the plurality of insulating pieces are connected in parallel, one ends of the plurality of insulating pieces are respectively connected with the power-on rod, and the other ends of the plurality of insulating pieces are respectively grounded;
the insulating part withstand voltage testing device also comprises a conductive seat, wherein an inner groove is formed in the lower end of the energizing rod, the upper end of the conductive seat is inserted into the inner groove, a compression spring is arranged between the upper end of the conductive seat and the inner groove of the energizing rod, and the lower end of the conductive seat is connected with a plurality of insulating parts;
the insulating part is an insulating pull rod, a plurality of insulating pull rods are arranged side by side, the upper ends of the plurality of insulating pull rods are arranged on an upper positioning plate, the upper positioning plate is connected with a conductive seat through a conductive rod, and a shielding cover is arranged at the periphery of the upper positioning plate; the lower ends of the plurality of insulating pull rods are arranged on a lower positioning plate, the lower positioning plate is arranged on a lower supporting ring, and the lower supporting ring is grounded;
the test main body comprises a shell, a sleeve and a frame body, wherein a closed cavity is formed in the shell, the sleeve is arranged at the upper end of the shell through a transition flange, the power-on rod is arranged in the sleeve and extends into the closed cavity of the shell, a shielding cover is arranged at the joint of the sleeve and the shell, and the shielding cover surrounds the lower end of the power-on rod; the lower end of the shell is arranged on the frame body through a fixing plate.
6. A dielectric withstand voltage testing apparatus according to claim 1 or 3 or 4 or 5, wherein: an opening is formed on the side wall of the testing main body, a cover plate is mounted on the opening in a sealing mode, a three-way self-sealing valve is mounted on the cover plate and communicated with the closed cavity, SF6 gas enters the closed cavity through the three-way self-sealing valve, and an SF6 pressure gauge is mounted on the three-way self-sealing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610712672.4A CN106324457B (en) | 2016-08-24 | 2016-08-24 | Withstand voltage testing device for insulating part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610712672.4A CN106324457B (en) | 2016-08-24 | 2016-08-24 | Withstand voltage testing device for insulating part |
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| Publication Number | Publication Date |
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| CN106324457A CN106324457A (en) | 2017-01-11 |
| CN106324457B true CN106324457B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610712672.4A Active CN106324457B (en) | 2016-08-24 | 2016-08-24 | Withstand voltage testing device for insulating part |
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| CN (1) | CN106324457B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765144B (en) * | 2017-09-13 | 2019-10-11 | 安徽科创新能源科技有限责任公司 | A kind of charging pile manufacture insulating part pressure resistant testing device |
| CN108802585A (en) * | 2018-08-23 | 2018-11-13 | 上海腾炎新材料有限公司 | A kind of test tool for insulating of electric measurement of high pressure part lightning impulse test |
| CN110988616B (en) * | 2019-11-18 | 2021-12-07 | 安徽机电职业技术学院 | Power filter production finished product detects uses withstand voltage testing arrangement |
| CN112505516B (en) * | 2020-09-30 | 2024-04-30 | 江苏省如高高压电器有限公司 | Electrical appliance performance test system for insulating part for high-voltage electrical appliance |
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| GB720913A (en) * | 1953-04-13 | 1954-12-29 | Rome Cable Corp | Improvements in high voltage spark tester for self-supporting cable with bare messenger |
| CN202383235U (en) * | 2011-11-30 | 2012-08-15 | 山东泰开高压开关有限公司 | Withstand voltage test fixture for insulation tie rod |
| CN202383236U (en) * | 2011-11-30 | 2012-08-15 | 山东泰开高压开关有限公司 | Withstand voltage test fixture for insulation stands |
| CN203519674U (en) * | 2013-08-14 | 2014-04-02 | 平顶山市绝缘制品股份有限公司 | Guide rod type combined radome for power-frequency withstand voltage test of disk type insulators |
| CN105510780A (en) * | 2015-11-27 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | Insulation testing system and method for insulating pull rod of SF6 high-voltage electric appliance |
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2016
- 2016-08-24 CN CN201610712672.4A patent/CN106324457B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB720913A (en) * | 1953-04-13 | 1954-12-29 | Rome Cable Corp | Improvements in high voltage spark tester for self-supporting cable with bare messenger |
| CN202383235U (en) * | 2011-11-30 | 2012-08-15 | 山东泰开高压开关有限公司 | Withstand voltage test fixture for insulation tie rod |
| CN202383236U (en) * | 2011-11-30 | 2012-08-15 | 山东泰开高压开关有限公司 | Withstand voltage test fixture for insulation stands |
| CN203519674U (en) * | 2013-08-14 | 2014-04-02 | 平顶山市绝缘制品股份有限公司 | Guide rod type combined radome for power-frequency withstand voltage test of disk type insulators |
| CN105510780A (en) * | 2015-11-27 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | Insulation testing system and method for insulating pull rod of SF6 high-voltage electric appliance |
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| CN106324457A (en) | 2017-01-11 |
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