CN106841700B - Lightning arrester test support in high-voltage cabinet and use method thereof - Google Patents
Lightning arrester test support in high-voltage cabinet and use method thereof Download PDFInfo
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- CN106841700B CN106841700B CN201710065868.3A CN201710065868A CN106841700B CN 106841700 B CN106841700 B CN 106841700B CN 201710065868 A CN201710065868 A CN 201710065868A CN 106841700 B CN106841700 B CN 106841700B
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- insulating
- support
- test
- support frame
- copper bar
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052802 copper Inorganic materials 0.000 claims abstract description 29
- 239000010949 copper Substances 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 239000000178 monomer Substances 0.000 claims description 19
- 238000002474 experimental method Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000007480 spreading Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention provides a test support for an arrester in a high-voltage cabinet, which relates to the field of arrester tests and comprises an insulating support frame and an insulating heightening support column, wherein the insulating support frame is arranged between a voltage transformer and a copper bar, a receiving groove matched with the insulating heightening support column in structure is formed in the bottom surface of the insulating support frame, and the insulating heightening support column is arranged in the receiving groove. During testing, the lightning arrester connecting copper bar can be directly placed on the test support (the height can be adjusted through the insulating heightening support to find a proper position), so that the test requirement can be met, two persons do not need to squeeze in a narrow space to place an insulating shielding object, the test time is saved, and the test efficiency is improved; the insulating pillar that increases is directly placed on insulation support frame's accepting recess, can provide good stability, and it is firm to guarantee that test support supports, and the arrester connection copper bar landing condition can not appear in the test process, ensures equipment, personal safety, has good practicality and market spreading value.
Description
Technical Field
The invention provides a test bracket for an arrester in a high-voltage cabinet, and relates to the field of arrester tests, in particular to the field of the arrester tests in the high-voltage cabinet.
Background
The 10/35kV lightning arrester is generally arranged in a 10/35kV high-voltage cabinet. When carrying out routine test to it (the test item is for measuring leakage current under direct current reference voltage and the 0.75 time direct current reference voltage), because some arresters are installed at voltage transformer inboard, inconvenient the pulling down during the experiment, if the mounted position is tested in the cabinet, experimental distance unsatisfied experimental requirement, consequently need open arrester and voltage transformer coupling part, carry out the insulation to voltage transformer and shelter from, just can test the arrester.
Because the connection copper bar between arrester and the voltage transformer is very hard and be difficult for moving, inconvenient insulating sheltering from voltage transformer to need guarantee to connect the distance between copper bar and the voltage transformer, single be difficult to the operation, consequently need support voltage transformer and carry out insulating sheltering from.
Because there is no special test support in the high-voltage cabinet, two persons are usually required to move the connecting copper bar in a cooperative manner during the test, and the connecting copper bar and the PT are supported and wrapped by insulating articles. The following disadvantages exist at present: 1. it takes time. When other objects are used as supports, the copper bar is hard and is not easy to put insulating objects into the copper bar, and the space in the high-voltage cabinet is narrow, so that two persons are difficult to cooperate, and the required time is long; 2. it is not safe. In the testing process, because the support is unstable, the copper bar landing condition can appear to cause the test lead wire directly to touch PT joint department, test equipment overcurrent protection action can damage test equipment, injury test operating personnel even when serious.
Disclosure of Invention
In order to solve the problems, the invention provides a lightning arrester test bracket in a high-voltage cabinet.
The technical scheme of the invention is as follows: the utility model provides an arrester test support in high-voltage board, includes that insulating support frame and insulation increase the pillar, insulating support frame places between voltage transformer and copper bar, be provided with on the insulating support frame bottom surface and increase the supporting structure matched with the insulation and accept the recess, the insulation increases the pillar and places in accepting the recess.
The technical scheme of the invention also comprises: the insulating pillar that increases includes N layer insulating pillar monomer, N more than or equal to 1, insulating pillar monomer from the bottom up lists in proper order, the free shape of each layer insulating pillar is the same with high homogeneous phase.
The technical scheme of the invention also comprises: the insulating pillar monomer is provided with and accepts the recess with upper insulating pillar monomer or the single complex of lower floor's insulating pillar, the degree of depth that the recess was accepted to every layer is the same, insulating pillar monomer reduces from the lower floor to upper strata volume gradually.
The technical scheme of the invention also comprises: the insulating support single bodies are provided with bearing grooves matched with the lower insulating support single bodies, the bottom surfaces of the insulating support single bodies are provided with stabilizing seats, and the outer perimeter of each stabilizing seat is the same.
The technical scheme of the invention also comprises: the height h of the insulating support column monomer is 0.5-2.5 cm more than the depth l of the receiving groove.
The technical scheme of the invention also comprises: the height of the insulating support frame is 5-10 cm.
The invention also provides a using method of the lightning arrester test bracket in the high-voltage cabinet, which mainly comprises the following steps:
1) placing an insulating support frame between the voltage transformer and the copper bar;
2) observing whether the distance between the voltage transformer and the copper bar meets the experimental requirements, if so, starting to prepare for the experiment, and if not, performing the step 3;
3) placing the insulating heightening support into a receiving groove of the insulating support frame to heighten the insulating support frame;
4) observing whether the distance between the voltage transformer and the copper bar meets the experimental requirements or not, and if so, starting to prepare for the experiment; if not, the height of the insulating heightening support is adjusted, and after the adjusted height meets the test distance between the voltage transformer and the copper bar, the test is started to be prepared.
In the step 4, the height of the insulating heightening support is adjusted by increasing or decreasing the number of layers of the insulating support monomer.
The invention has the beneficial effects that: according to the lightning arrester test support in the high-voltage cabinet, provided by the invention, during test, the lightning arrester connecting copper bar can be directly placed on the test support (the height of the support can be increased by adjusting the insulation to find a proper position), so that the test requirement can be met, two persons do not need to squeeze the test support in a narrow space to place an insulation shielding object, the test time is saved, and the test efficiency is improved; the insulating pillar that increases is directly placed in insulation support frame's accepting recess, can provide good stability, and the support of assurance test support is firm, and the arrester connection copper bar landing condition also can not appear in the test process, ensures equipment, personal safety, has good practicality and market spreading value.
Drawings
FIG. 1 is a schematic view of an insulation support frame according to the present invention;
FIG. 2 is a schematic view of an insulation support frame according to the present invention;
FIG. 3 is a schematic view of the insulation displacement support structure of the present invention 1;
FIG. 4 is a schematic view of the structure of the insulating support unit of the present invention 1;
FIG. 5 is a schematic view of the insulating elevated pillar structure of the present invention 2;
FIG. 6 is a schematic view of the structure of the insulating support pillar monomer of the present invention 2.
The device comprises an insulating support frame 1, an insulating support frame 11, a receiving groove 2, an insulating heightening support column 21, an insulating support column monomer 211, a bearing groove 212 and a stabilizing seat.
Detailed Description
The invention will be further described with reference to the accompanying drawings and examples.
Meanwhile, since only some embodiments are described below, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The utility model provides a lightning arrester test support in high-voltage board, includes insulating support frame 1 and insulating pillar 2 that increases, insulating support frame 1 is placed between voltage transformer and copper bar, as shown in figure 1 and figure 2, be provided with on 1 bottom surface of insulating support frame and increase 2 structure matched with of pillar and accept recess 11 with insulating, insulating pillar 2 that increases is placed 11 in accepting the recess.
The insulating pillar 2 that increases includes N layer insulating pillar monomer 21, N more than or equal to 1, insulating pillar monomer 21 from the bottom up lists in proper order, the shape and the height homogeneous phase of each layer insulating pillar monomer 21 are the same.
Example 1: as shown in fig. 3 and 5, the insulating support single body 21 is provided with a receiving groove 211 matched with the upper insulating support single body 21 or the lower insulating support single body 21, the depth of each receiving groove 211 is the same, and as shown in fig. 6, the volume of the insulating support single body 21 is gradually reduced from the lower layer to the upper layer to ensure nesting.
Example 2: as shown in fig. 3 and 4, the insulating support single body 21 is provided with a receiving groove 211 matched with the lower insulating support single body 21, a stabilizing seat 212 is provided on the bottom surface of each layer of insulating support single body 21, and the outer circumference of each layer of stabilizing seat 212 is the same to ensure the stability of the insulating support single body.
The height h of the single insulating support 21 is 0.5-2.5 cm larger than the depth l of the accommodating groove 11, and the test distance between the voltage transformer and the copper bar is convenient to finely adjust.
The height of the insulating support frame 1 is 5-10 cm, and the requirement of the test distance between the voltage transformer and the copper bar is basically met.
The using method mainly comprises the following steps:
1) placing the insulating support frame 1 between the voltage transformer and the copper bar;
2) observing whether the distance between the voltage transformer and the copper bar meets the experimental requirements, if so, starting to prepare for the experiment, and if not, performing the step 3;
3) placing the insulating heightening support 2 into the receiving groove 11 of the insulating support frame 1 to heighten the insulating support frame 1;
4) observing whether the distance between the voltage transformer and the copper bar meets the experimental requirements or not, and if so, starting to prepare for the experiment; if not enough, the height of the insulating heightening support 2 is adjusted, and after the adjusted height meets the test distance between the voltage transformer and the copper bar, the test is started to be prepared.
In step 4, the height of the insulating raising support 2 is adjusted by increasing or decreasing the number of layers of the insulating support units 21.
The above description is only exemplary of the present invention and should not be taken as limiting the invention in any way, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a lightning arrester test support in high-voltage board which characterized in that: the insulation support frame is placed between a voltage transformer and a copper bar, a receiving groove matched with the insulation heightening support structure is formed in the bottom surface of the insulation support frame, and the insulation heightening support is placed in the receiving groove;
the insulating pillar that increases includes N layer insulating pillar monomer, N more than or equal to 1, insulating pillar monomer from the bottom up lists in proper order, the free shape of each layer insulating pillar is the same with high homogeneous phase.
2. The test support for the lightning arrester in the high-voltage cabinet as claimed in claim 1, characterized in that: the insulating pillar monomer is provided with and accepts the recess with upper insulating pillar monomer or the single cooperation of lower floor's insulating pillar, and the degree of depth that the recess was accepted to every layer is the same, insulating pillar monomer reduces from lower floor to upper strata volume gradually.
3. The test support for the lightning arrester in the high-voltage cabinet as claimed in claim 2, characterized in that: the insulating support single bodies are provided with bearing grooves matched with the lower insulating support single bodies, the bottom surfaces of the insulating support single bodies are provided with stabilizing seats, and the outer perimeter of each stabilizing seat is the same.
4. A test stand for a lightning arrester in a high voltage cabinet according to any one of claims 1 to 3, characterized in that: the height h of the insulating support column monomer is 0.5-2.5 cm more than the depth l of the receiving groove.
5. The test support for the lightning arrester in the high-voltage cabinet as claimed in claim 4, characterized in that: the height of the insulating support frame is 5-10 cm.
6. The use method of the lightning arrester test bracket in the high-voltage cabinet according to any one of claims 1 to 3 mainly comprises the following steps:
1) placing an insulating support frame between the voltage transformer and the copper bar;
2) observing whether the distance between the voltage transformer and the copper bar meets the experimental requirements, if so, starting to prepare for the experiment, and if not, performing the step 3);
3) placing the insulating heightening support into a receiving groove of the insulating support frame to heighten the insulating support frame;
4) observing whether the distance between the voltage transformer and the copper bar meets the experimental requirements or not, and if so, starting to prepare for the experiment; if not, the height of the insulating heightening support is adjusted, and after the adjusted height meets the test distance between the voltage transformer and the copper bar, the test is started to be prepared.
7. The use method of the lightning arrester test bracket in the high-voltage cabinet according to claim 6, characterized in that: in the step 4, the height of the insulating heightening support is adjusted by increasing or decreasing the number of layers of the insulating support monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065868.3A CN106841700B (en) | 2017-02-06 | 2017-02-06 | Lightning arrester test support in high-voltage cabinet and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065868.3A CN106841700B (en) | 2017-02-06 | 2017-02-06 | Lightning arrester test support in high-voltage cabinet and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106841700A CN106841700A (en) | 2017-06-13 |
| CN106841700B true CN106841700B (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710065868.3A Active CN106841700B (en) | 2017-02-06 | 2017-02-06 | Lightning arrester test support in high-voltage cabinet and use method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201656255U (en) * | 2009-11-20 | 2010-11-24 | 宁国鑫辰工贸有限公司 | High-pressure prepay measuring box |
| CN203705486U (en) * | 2014-01-09 | 2014-07-09 | 国家电网公司 | 500kV zinc-oxide lightning-arrester dc tester |
| CN204214902U (en) * | 2014-11-30 | 2015-03-18 | 国家电网公司 | 10kV arrester testing support |
| CN204595032U (en) * | 2015-05-14 | 2015-08-26 | 国网山西省电力公司电力科学研究院 | A kind of high-potting line insulating carriage |
| JP2016042056A (en) * | 2014-08-18 | 2016-03-31 | アンリツ株式会社 | Measuring instrument protector and measuring instrument protection method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203502442U (en) * | 2013-10-16 | 2014-03-26 | 国网安徽省电力公司铜陵供电公司 | High-voltage test auxiliary device used for 10kV oxide lightning arrester |
-
2017
- 2017-02-06 CN CN201710065868.3A patent/CN106841700B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201656255U (en) * | 2009-11-20 | 2010-11-24 | 宁国鑫辰工贸有限公司 | High-pressure prepay measuring box |
| CN203705486U (en) * | 2014-01-09 | 2014-07-09 | 国家电网公司 | 500kV zinc-oxide lightning-arrester dc tester |
| JP2016042056A (en) * | 2014-08-18 | 2016-03-31 | アンリツ株式会社 | Measuring instrument protector and measuring instrument protection method |
| CN204214902U (en) * | 2014-11-30 | 2015-03-18 | 国家电网公司 | 10kV arrester testing support |
| CN204595032U (en) * | 2015-05-14 | 2015-08-26 | 国网山西省电力公司电力科学研究院 | A kind of high-potting line insulating carriage |
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| Publication number | Publication date |
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| CN106841700A (en) | 2017-06-13 |
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