CN111610412B - Sleeve electric test strutting arrangement - Google Patents
Sleeve electric test strutting arrangement Download PDFInfo
- Publication number
- CN111610412B CN111610412B CN202010313620.6A CN202010313620A CN111610412B CN 111610412 B CN111610412 B CN 111610412B CN 202010313620 A CN202010313620 A CN 202010313620A CN 111610412 B CN111610412 B CN 111610412B
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- support
- supporting
- support body
- arc
- bus
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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
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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
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
- G01R27/2694—Measuring dielectric loss, e.g. loss angle, loss factor or power factor
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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
- G01R31/16—Construction of testing vessels; Electrodes therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention provides a sleeve electric test supporting device which comprises a supporting body and a plurality of supporting rods connected with the supporting body, wherein bus simulation sheets are supported at the tops of the supporting rods; the top of the support body is provided with a downward recess for supporting the sleeve; two opposite side surfaces of the support body are arc-shaped curved surfaces, and a plurality of grooves are formed in the arc-shaped curved surfaces; the supporting rod is of a length-adjustable columnar structure, one end of the columnar structure is detachably connected with the groove, the other end of the columnar structure is provided with a bus placing opening, and the bus placing opening is used for supporting the bus simulation sheet; the hand-over site does not always have complete test conditions, the test distance to the ground is ensured, the test efficiency and the safety are high, and the hand-over device is suitable for casing tests of various sizes and test sites.
Description
Technical Field
The invention belongs to the field of power equipment detection, and particularly relates to a sleeve electric test supporting device.
Background
Bushings are electrical devices widely used in electrical power systems and function to securely connect high voltage leads through a wall or electrical device housing to other devices. The use place of the sleeve determines that the structure of the sleeve has smaller volume and thinner insulation thickness, so that higher requirements are put on the insulation performance of the sleeve.
The alternating current withstand voltage test is the most strict, effective and direct test method for identifying the insulation strength of the power equipment, and has a decisive significance for judging whether the power equipment can continuously run. The dielectric loss factor and capacitance measurement are important means for judging the insulation condition of equipment, and can sensitively find that the sleeve is affected with moisture and some local defects. The national standard GB 50150-2016 Electrical device installation engineering Electrical equipment connection test Standard requires: the crossed or overhauled bushing should be subjected to alternating current withstand voltage test, dielectric loss factor and capacitance measurement to test the insulation strength of the main insulation. The sleeve pipe often does not possess complete test condition at the handing-over scene, has enough distance to ground in order to guarantee the experiment, often adopts hoisting equipment such as high car to hoist the sleeve pipe, and efficiency of software testing is lower and the security is not high.
Disclosure of Invention
In order to solve the technical problems, the invention discloses a sleeve electrical test supporting device, and aims to facilitate the development of a sleeve electrical test and improve the test efficiency and safety.
The invention adopts the following technical scheme:
a sleeve electric test supporting device comprises a supporting body and a plurality of supporting rods connected with the supporting body, wherein bus simulation sheets are supported at the tops of the supporting rods;
the top of the support body is provided with a downward recess for supporting the sleeve; two opposite side surfaces of the support body are arc-shaped curved surfaces, and a plurality of grooves are formed in the arc-shaped curved surfaces;
the bracing piece is length-adjustable's columnar structure, columnar structure's one end with the recess can be dismantled and be connected, and the other end sets up the generating line and places the mouth, and the mouth is placed to the generating line and is used for supporting the generating line simulation piece.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts the structural arrangement of the pipe support body, the support rod and the bus simulation sheet, and the jointed or overhauled sleeve pipe is subjected to an alternating current withstand voltage test, a dielectric loss factor and capacitance measurement so as to test the insulation strength of the main insulation.
2. The support rod is of a cylindrical structure with adjustable length, and the top of the support body is provided with a downward concave structure, so that the use place of the sleeve can be simulated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a structural diagram of a supporting device for a bushing electrical test according to the present invention;
FIG. 2 is a structural view of a support for a sleeve according to the present invention;
FIG. 3 is a schematic diagram of a bus bar simulation sheet according to the present invention;
fig. 4 is a structural view of a bus bar supporting bar of the present invention.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be a fixed connection, or may be an integral connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
Example 1
A sleeve electric test supporting device comprises a supporting body and a plurality of supporting rods connected with the supporting body, wherein bus simulation sheets are supported at the tops of the supporting rods;
the top of the support body is provided with a downward recess for supporting the sleeve; two opposite side surfaces of the support body are arc-shaped curved surfaces, and a plurality of grooves are formed in the arc-shaped curved surfaces; the bus simulation sheet is connected with a high-voltage test wire to carry out a sleeve electrical test;
the bracing piece is length-adjustable's columnar structure, columnar structure's one end with the recess can be dismantled and be connected, and the other end sets up the generating line and places the mouth, and the mouth is placed to the generating line and is used for supporting the generating line simulation piece.
Furthermore, the supporter is provided with two, is first supporter and second supporter respectively, and first supporter has the settlement distance with the second supporter, and the bracing piece on the first supporter and the bracing piece cooperation on the second supporter support the generating line simulation piece.
As shown in the attached figure 1, the support body is a sleeve support body 1, the distance between the two groups of sleeve support bodies 1 is adjustable, and the sleeve support body can be suitable for electrical tests of sleeves with different lengths; the supporting rods are bus supporting rods 3, and two sets of bus supporting rods 3 are respectively matched with the sleeve supporting bodies for use; the sleeve supporting body 1 and the bus supporting rod 3 are fixedly connected together in an inserting manner, can be immediately disassembled and assembled, and are convenient to transport and use; the bus simulation sheet 2 can be flatly placed on the bus support rod 3, can be immediately disassembled and assembled, and is convenient to transport and use; the sleeve support body 1 plays a role in increasing the distance from the ground and fixing the sleeve, has small leakage flow and is made of epoxy resin; the bottom of the sleeve supporting body 1 is wide, so that the sleeve supporting body is stably placed on the ground, and the sleeve supporting body is in arc transition from the bottom to the top, so that materials are saved, and the sleeve supporting body can be stably placed; the top of the sleeve support body 1 is provided with a circular arc-shaped notch 12 serving as a bus placing opening for placing circular sleeves with different diameters, so that the sleeves can be stably placed and cannot fall off due to rolling;
further, the recess may be configured to be circular, directional, or arc-shaped, and in order to be suitable for casings of various sizes, the recess is preferably configured to be arc-shaped, and the two arc-shaped curved surfaces are both provided with arc-shaped notches due to the recess.
Furthermore, the groove is arranged at a position, with a certain height, of the bottom of the arc-shaped curved surface away from the bottom surface of the support body, on a new line in the support body, and the groove is of a cylindrical structure.
Furthermore, the support body and the support rod are connected together in an inserting manner.
Furthermore, two ends of the bus simulation sheet are respectively provided with a round small hole, and the round small holes are used for connecting high-voltage test wires.
Furthermore, the support rod and the support body are made of epoxy resin.
Furthermore, the bracing piece is vertical to be installed on the supporter, and outwards has an inclination, can be applicable to the sleeve pipe of different joints.
Furthermore, the bus supporting rod comprises a hollow upper section structure and a hollow lower section structure, the upper section structure can be embedded into the lower end structure, and position adjustment is achieved through sliding.
Furthermore, the bottom of upper segment structure and the top of lower extreme structure all are equipped with the circular aperture of a plurality of, adopt the grafting mode through circular aperture with upper segment structure and lower extreme structure fixed connection, realize the altitude mixture control of bracing piece through adjustment fixed position.
The inserting mode is that the pin shaft is used for fixing installation, or other structures are used for fixing installation, for example, a columnar structure, a plug pin structure or a buckle is used for inserting and fixing.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (8)
1. A supporting device for a bushing electrical test is characterized by comprising a supporting body and a plurality of supporting rods connected with the supporting body, wherein the tops of the supporting rods support a bus simulation sheet;
the top of the support body is provided with a downward recess for supporting the sleeve; two opposite side surfaces of the support body are arc-shaped curved surfaces, and a plurality of grooves are formed in the arc-shaped curved surfaces;
the supporting rod is of a length-adjustable columnar structure, one end of the columnar structure is detachably connected with the groove, the other end of the columnar structure is provided with a bus placing opening, and the bus placing opening is used for supporting a bus simulation sheet;
the two support bodies are respectively a first support body and a second support body, a set distance is reserved between the first support body and the second support body, and a support rod on the first support body and a support rod on the second support body are matched with a support bus simulation sheet;
and two ends of the bus simulation sheet are respectively provided with a round small hole, and the round small holes are used for connecting high-voltage test wires.
2. The casing electrical test support device of claim 1, wherein the recess is arc-shaped, the recess providing both arc-shaped curved surfaces with arc-shaped notches.
3. The casing electrical test support device of claim 1, wherein the groove is arranged at the center line of the support body with the bottom of the arc-shaped curved surface at a certain height from the bottom surface of the support body, and the groove is of a cylindrical structure.
4. The casing electrical test support device of claim 1, wherein the support body and the support rod are connected together by plugging.
5. The casing electrical test support apparatus of claim 1, wherein the support rod and the support body are made of epoxy resin.
6. The casing electrical test support device of claim 1, wherein the support rod is vertically mounted on the support body and has an outward inclination angle suitable for casings of different joints.
7. The casing electrical test support device of claim 1, wherein the support rod comprises a hollow upper structure and a hollow lower structure, the upper structure can be nested into the lower structure, and position adjustment can be achieved through sliding.
8. The casing electrical test support device of claim 7, wherein the bottom of the upper section structure and the top of the lower end structure are provided with a plurality of round small holes, the upper section structure and the lower end structure are fixedly connected through the round small holes in an insertion mode, and the height of the support rod is adjusted by adjusting the fixed position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010313620.6A CN111610412B (en) | 2020-04-20 | 2020-04-20 | Sleeve electric test strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010313620.6A CN111610412B (en) | 2020-04-20 | 2020-04-20 | Sleeve electric test strutting arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111610412A CN111610412A (en) | 2020-09-01 |
| CN111610412B true CN111610412B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010313620.6A Active CN111610412B (en) | 2020-04-20 | 2020-04-20 | Sleeve electric test strutting arrangement |
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| Country | Link |
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| CN (1) | CN111610412B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205484677U (en) * | 2016-04-01 | 2016-08-17 | 国网山东省电力公司博兴县供电公司 | Non -conductive support rod for withstand voltage test |
| CN108152693A (en) * | 2018-01-29 | 2018-06-12 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Three support insulator fault simulating test platform of GIL equipment and simulation experiment method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090032312A (en) * | 2007-09-27 | 2009-04-01 | 한국전력공사 | Aluminium conductor steel reinforced line sleeve tester |
| CN106153985A (en) * | 2015-04-10 | 2016-11-23 | 国网辽宁省电力有限公司丹东供电公司 | A kind of portable adjustable insulated platform |
| CN205229193U (en) * | 2015-11-06 | 2016-05-11 | 国网内蒙古东部电力有限公司经济技术研究院 | Transformer bushing's experimental support |
| CN107543999A (en) * | 2016-06-24 | 2018-01-05 | 国网辽宁省电力有限公司沈阳供电公司 | Dry type Compound Insulation Wall Bushing electrical insulation properties test lifting platform |
| CN206756980U (en) * | 2017-04-10 | 2017-12-15 | 河北电力装备有限公司 | A kind of test tool of ring main unit bus connecting rod |
| CN210120384U (en) * | 2019-06-27 | 2020-02-28 | 山东电力工业锅炉压力容器检验中心有限公司 | Support arrangement for GIS wall-penetrating bus protective casing |
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2020
- 2020-04-20 CN CN202010313620.6A patent/CN111610412B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205484677U (en) * | 2016-04-01 | 2016-08-17 | 国网山东省电力公司博兴县供电公司 | Non -conductive support rod for withstand voltage test |
| CN108152693A (en) * | 2018-01-29 | 2018-06-12 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Three support insulator fault simulating test platform of GIL equipment and simulation experiment method |
Non-Patent Citations (1)
| Title |
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| 张五杰 ; 张书琴 ; 张克选 ; 刘彦军 ; 季新明 ; 龙锦霞 ; .GIS现场直连方式的相关问题及其解决措施.高压电器.第49卷(第05期),第114-119页. * |
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| CN111610412A (en) | 2020-09-01 |
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