CN112582161B - Quick grounding device of current transformer - Google Patents
Quick grounding device of current transformer Download PDFInfo
- Publication number
- CN112582161B CN112582161B CN202011313069.1A CN202011313069A CN112582161B CN 112582161 B CN112582161 B CN 112582161B CN 202011313069 A CN202011313069 A CN 202011313069A CN 112582161 B CN112582161 B CN 112582161B
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- conductive
- grounding
- holes
- joint
- current transformer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
Abstract
The invention discloses a quick grounding device of a current transformer, which comprises a fixed seat, a grounding connector and a plurality of conductive connectors, wherein the fixed seat is provided with a plurality of through holes; the fixed seat is provided with a plurality of fixed holes, the grounding joint is matched with the fixed seat and is made of a conductive material; each conductive joint is matched with the fixed seat, each conductive joint is made of conductive materials, and each conductive joint is electrically conducted with the grounding joint. The current transformer can be quickly connected to be grounded through the grounding device, so that the efficiency of performing a withstand voltage test on a high-voltage combined electrical appliance product is improved.
Description
Technical Field
The invention relates to the field of high-voltage equipment, in particular to a quick grounding device of a current transformer.
Background
When a high-voltage combined electrical apparatus product is used for a withstand voltage test, the current transformer needs to be grounded in order to prevent a coil of the current transformer from being burnt out and prevent personal safety from being endangered due to electrification of high-voltage equipment.
The current method for grounding the current transformer comprises the following steps: firstly, mounting a transition joint which can be connected with a banana plug on each grounding insert on a wiring board of the current transformer; then, connecting the transition joints together by using a wiring with a banana joint, so that the grounding inserts are in short circuit with each other; and finally, grounding the wiring to enable each grounding insert to be grounded. The connection method is very time-consuming, and influences the efficiency of the voltage withstand test on the high-voltage combined electrical appliance product.
Disclosure of Invention
The invention aims to provide a quick grounding device of a current transformer, which can quickly ground the current transformer.
In order to achieve the above purpose, the solution of the invention is:
a quick grounding device of a current transformer comprises a fixed seat, a grounding joint and a plurality of conductive joints; the fixed seat is provided with a plurality of fixed holes, the grounding joint is matched with the fixed seat and is made of a conductive material; each conductive joint is matched with the fixed seat, each conductive joint is made of conductive materials, and each conductive joint is electrically conducted with the grounding joint.
The fixed seat is provided with a matching cavity, the bottom of the fixed seat is provided with a plurality of matching holes communicated with the matching cavity, and the number of the matching holes is the same as that of the conductive connectors; each conductive joint can respectively pass through each matching hole in a vertically movable manner, and the upper part of each conductive joint is provided with a limiting blocking edge which is movably abutted against the inner bottom surface of the matching cavity; the matching cavity is matched with springs with the same number as the conductive connectors, the upper ends of the springs are abutted against the top wall in the matching cavity, and the lower ends of the springs are abutted against the conductive connectors respectively.
The conductive joint is provided with a limiting groove for sleeving the spring.
The fixed seat comprises an upper fixed disk and a lower fixed disk which are connected up and down; the upper fixing disc and the lower fixing disc form the matching cavity, and the lower fixing disc is provided with the matching hole.
The upper fixing disc is provided with a plurality of upper fixing holes, the lower fixing disc is provided with a plurality of lower fixing holes, each upper fixing hole is aligned with each lower fixing hole one by one, and the aligned upper fixing holes and the aligned lower fixing holes are in butt joint to form the fixing holes.
The upper fixing disk is connected with the lower fixing disk through a plurality of connecting bolts, the upper fixing disk is provided with a plurality of connecting through holes corresponding to the connecting bolts respectively, the lower fixing disk is provided with a plurality of connecting screw holes corresponding to the connecting bolts respectively, and the connecting bolts penetrate through the connecting through holes respectively and then are in threaded connection with the connecting screw holes.
The upper fixing disc of the fixing seat is made of a conductive material, and the spring is also made of a conductive material; the grounding connector is fixedly connected with the upper fixing disc, and the grounding connector is electrically conducted with the upper fixing disc.
The upper fixing disc is provided with a connecting hole, and the grounding connector is connected with the connecting hole.
The grounding connector is provided with a connector hole.
After the scheme is adopted, when the current transformer is used, the fixed seat is fixed on the wiring board of the current transformer through the bolt, and all the conductive connectors are respectively contacted with all the grounding inserts of the wiring board; then, the grounding joint is grounded through a wire, and as the grounding joint is electrically conducted with each conductive joint, each grounding insert of the wiring board is grounded by grounding the grounding joint; compared with the prior art, the grounding method has the advantages that each grounding insert of the wiring board is grounded, the operation is very simple and convenient, the current transformer can be quickly grounded, and the efficiency of carrying out a voltage withstand test on a high-voltage combined electrical appliance product is improved.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic representation of the use of the present invention;
description of reference numerals:
a fixed seat 1, an upper fixed disk 101, a lower fixed disk 102, a connecting bolt 103, a fixed hole 11, an upper fixed hole 111, a lower fixed hole 112, a matching cavity 12, a matching hole 13, a connecting through hole 14, a connecting screw hole 15, a connecting hole 16,
the ground connection 2, the connection hole 21,
the conductive connector 3, the limit stop edge 31, the limit groove 32,
the spring (4) is arranged on the upper side of the frame,
terminal board a, ground insert a 1.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 4, the present invention discloses a fast grounding device for a current transformer, which includes a fixing base 1, a grounding connector 2 and a plurality of conductive connectors 3; the fixing seat 1 is provided with a plurality of fixing holes 11 so that the fixing seat 1 can be fixed on a wiring board A of the current transformer through bolts; each conductive joint 3 is matched with the fixed seat 1, the position of each conductive joint 3 is respectively arranged corresponding to each grounding insert A1 of the wiring board A, and the conductive joint 3 is made of conductive materials so that the conductive joint 3 can be conducted with the grounding insert A1; the grounding connector 2 is matched with the fixed seat 1, and the grounding connector 2 is made of a conductive material; the grounding contact 2 is electrically connected to each conductive contact 3.
As shown in fig. 4, when the invention is used, the fixing base 1 is fixed on the wiring board a of the current transformer by bolts, and the conductive connectors 3 are respectively contacted with the grounding inserts a1 of the wiring board a; then, the grounding connector 2 is grounded through a lead, and as the grounding connector 2 is electrically conducted with each conductive connector 3, each grounding insert A1 of the wiring board A is grounded due to the grounding connector 2; compared with the prior art, the grounding insert A1 of the wiring board A is grounded through the grounding device, the operation is very simple and convenient, the current transformer A can be quickly grounded, and the efficiency of carrying out a voltage withstand test on a high-voltage combined electrical appliance product is improved.
As shown in fig. 3, the fixing base 1 may have a matching cavity 12, the bottom of the fixing base 1 has a plurality of matching holes 13 communicated with the matching cavity 12, and the number of the matching holes 13 is the same as that of the conductive connectors 3; each conductive joint 3 can respectively pass through each matching hole 13 in a way of moving up and down, and the upper part of each conductive joint 3 is provided with a limit stop edge 31 which is movably abutted against the inner bottom surface of the matching cavity 12 so as to prevent the conductive joint 3 from being separated from the fixed seat 1; springs 4 with the same number as the conductive connectors 3 are matched in the matching cavity 12, the upper end of each spring 4 abuts against the inner top wall of the matching cavity 12, and the lower end of each spring 4 abuts against each conductive connector 13; the contact block 3 may be provided with a stopper groove 32 for receiving the spring 4 to prevent the spring 4 from being displaced. The invention supports against the conductive contact 13 through the spring 4, and the spring 4 can apply pressure to the conductive contact 13 so that the conductive contact 13 can be stably contacted with the grounding insert A1.
As shown in fig. 1 to 3, the fixing base 1 may include an upper fixing plate 101 and a lower fixing plate 102 connected to each other, the matching cavity 12 is formed between the upper fixing plate 101 and the lower fixing plate 102, and the lower fixing plate 102 is provided with the matching hole 13. The upper fixed disk 101 can be connected with the lower fixed disk 102 through a plurality of connecting bolts 103, the upper fixed disk 101 is provided with a plurality of connecting through holes 14 corresponding to the connecting bolts 103, the lower fixed disk 102 is provided with a plurality of connecting screw holes 15 corresponding to the connecting bolts 103, and the connecting bolts 103 respectively penetrate through the connecting through holes 14 and then are in threaded connection with the connecting screw holes 15 to connect the upper fixed disk 101 with the lower fixed disk 102. The upper fixing plate 101 is provided with a plurality of upper fixing holes 111, the lower fixing plate 102 is provided with a plurality of lower fixing holes 112, the upper fixing holes 111 are respectively aligned with the lower fixing holes 112 one by one, and the aligned upper fixing holes 111 and the aligned lower fixing holes 112 are butted to form the fixing holes 11.
The upper fixed disk 101 of the fixing base 1 can be made of a conductive material, the spring 4 is made of a conductive material, the grounding connector 2 is fixedly connected with the upper fixed disk 101, the grounding connector 2 is electrically conducted with the upper fixed disk 101, and therefore the grounding connector 2 can be electrically conducted with the conductive connectors 3 through the upper fixed disk 101 and the springs 4. The upper fixing disc 101 is provided with a connecting hole 16, the grounding connector 2 is connected with the connecting hole 16, and the grounding connector 2 can be connected with the connecting hole 16 in a screwing or clamping or welding mode; the ground connector 2 is provided with a connector hole 21 so that the ground connector 2 is connected with a connector of an external wire; the lower fixing plate 102 of the fixing base 1 may also be made of a conductive material.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (6)
1. The utility model provides a current transformer's quick earthing device which characterized in that: comprises a fixed seat, a grounding joint and a plurality of conductive joints;
the fixed seat is provided with a plurality of fixed holes, the grounding joint is matched with the fixed seat and is made of a conductive material; each conductive joint is matched with the fixed seat, each conductive joint is made of conductive materials, and each conductive joint is electrically conducted with the grounding joint;
the fixed seat is provided with a matching cavity, the bottom of the fixed seat is provided with a plurality of matching holes communicated with the matching cavity, and the number of the matching holes is the same as that of the conductive connectors; each conductive joint can respectively pass through each matching hole in a vertically movable manner, and the upper part of each conductive joint is provided with a limiting blocking edge which is movably abutted against the inner bottom surface of the matching cavity; springs with the same number as the conductive connectors are matched in the matching cavity, the upper end of each spring abuts against the top wall in the matching cavity, and the lower end of each spring abuts against each conductive connector;
the fixed seat comprises an upper fixed disk and a lower fixed disk which are connected up and down; the matching cavity is formed between the upper fixing disc and the lower fixing disc, and the lower fixing disc is provided with the matching hole;
the upper fixing disc of the fixing seat is made of a conductive material, and the spring is also made of a conductive material; the grounding connector is fixedly connected with the upper fixing disc, and the grounding connector is electrically conducted with the upper fixing disc.
2. The quick grounding device of a current transformer as claimed in claim 1, wherein: the conductive joint is provided with a limiting groove for sleeving the spring.
3. The quick grounding device of a current transformer as claimed in claim 1, wherein: the upper fixing disc is provided with a plurality of upper fixing holes, the lower fixing disc is provided with a plurality of lower fixing holes, each upper fixing hole is aligned with each lower fixing hole one by one, and the aligned upper fixing holes and the aligned lower fixing holes are in butt joint to form the fixing holes.
4. The quick grounding device of a current transformer as claimed in claim 1, wherein: the upper fixing disk is connected with the lower fixing disk through a plurality of connecting bolts, the upper fixing disk is provided with a plurality of connecting through holes corresponding to the connecting bolts respectively, the lower fixing disk is provided with a plurality of connecting screw holes corresponding to the connecting bolts respectively, and the connecting bolts penetrate through the connecting through holes respectively and then are in threaded connection with the connecting screw holes.
5. The quick grounding device of a current transformer as claimed in claim 1, wherein: the upper fixing disc is provided with a connecting hole, and the grounding connector is connected with the connecting hole.
6. The quick grounding device of a current transformer as claimed in claim 1, wherein: the grounding connector is provided with a connector hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313069.1A CN112582161B (en) | 2020-11-20 | 2020-11-20 | Quick grounding device of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313069.1A CN112582161B (en) | 2020-11-20 | 2020-11-20 | Quick grounding device of current transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112582161A CN112582161A (en) | 2021-03-30 |
| CN112582161B true CN112582161B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011313069.1A Active CN112582161B (en) | 2020-11-20 | 2020-11-20 | Quick grounding device of current transformer |
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| CN (1) | CN112582161B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113871974B (en) * | 2021-08-20 | 2023-09-26 | 中航光电科技股份有限公司 | Self-short-circuit connector |
Citations (2)
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|---|---|---|---|---|
| CN103632827A (en) * | 2013-12-16 | 2014-03-12 | 沈阳华德海泰电器有限公司 | Plug type current transformer |
| CN108492971A (en) * | 2018-03-17 | 2018-09-04 | 国网新疆电力有限公司 | For the monitoring assembly of oil-immersed current transformer, installation method and monitoring system |
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| CN108390181A (en) * | 2016-12-22 | 2018-08-10 | 朱文祥 | The anti-electric shock socket of multilayer proofing and the plug coordinated with it |
| CN206628362U (en) * | 2017-03-30 | 2017-11-10 | 大连第二互感器集团有限公司 | A kind of small size, high accuracy, the current transformer without partial discharge |
| CN209437886U (en) * | 2018-08-20 | 2019-09-27 | 深圳市普翔防静电制品有限公司 | A kind of fluorescence induction ESD-preventive wrist strap |
| CN209515532U (en) * | 2018-10-31 | 2019-10-18 | 镇江爱电智慧能源有限公司 | A kind of ring network cabinet earthing switch component |
| CN110190415A (en) * | 2019-07-12 | 2019-08-30 | 广东电网有限责任公司 | A kind of temporary ground wire Rapid grounding device |
| CN110412459A (en) * | 2019-08-01 | 2019-11-05 | 国网浙江省电力有限公司检修分公司 | A kind of secondary loop of mutual inductor is switched fast operating mechanism |
| CN211828450U (en) * | 2020-05-22 | 2020-10-30 | 江苏靖江互感器股份有限公司 | Wire holder structure of current transformer |
| CN111755955B (en) * | 2020-07-02 | 2022-03-11 | 上海市计量测试技术研究院 | High-tension electricity cabinet ground protection device |
| CN213302497U (en) * | 2020-09-07 | 2021-05-28 | 内蒙古电力（集团）有限责任公司乌兰察布电业局 | Current transformer secondary side loop detection device and circuit |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103632827A (en) * | 2013-12-16 | 2014-03-12 | 沈阳华德海泰电器有限公司 | Plug type current transformer |
| CN108492971A (en) * | 2018-03-17 | 2018-09-04 | 国网新疆电力有限公司 | For the monitoring assembly of oil-immersed current transformer, installation method and monitoring system |
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| CN112582161A (en) | 2021-03-30 |
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