CN112034389A - Grounding wire inspection device and method - Google Patents
Grounding wire inspection device and method Download PDFInfo
- Publication number
- CN112034389A CN112034389A CN202010947892.1A CN202010947892A CN112034389A CN 112034389 A CN112034389 A CN 112034389A CN 202010947892 A CN202010947892 A CN 202010947892A CN 112034389 A CN112034389 A CN 112034389A
- Authority
- CN
- China
- Prior art keywords
- inspection
- casing
- ground wire
- conducting strip
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
Abstract
The invention relates to the field of power equipment maintenance, in particular to a grounding wire inspection device and a grounding wire inspection method, which are used for assisting the conventional grounding resistance measurement and improving the measurement efficiency. The utility model provides a ground wire verifying attachment, includes the casing, the casing is two, and two the casing can lock joint each other, the casing both ends are equipped with the tip trough, the casing side is equipped with the inspection slot, the inside elastic conducting strip that is equipped with of casing, elastic conducting strip is located the extending direction of inspection slot, the one end and the casing fixed connection of inspection slot are kept away from to elastic conducting strip, and the other end is cantilever structure. Repeated measurement can be realized after the installation of this verifying attachment, and the measurement only need at every turn in the inspection slot insert the inspection probe can, improved the efficiency of inspection.
Description
Technical Field
The invention relates to the field of power equipment maintenance, in particular to a ground wire inspection device and method.
Background
The grounding device is composed of a grounding wire and a grounding body, is also a general name of each grounding electrode, a grounding lead and a grounding lead, and aims to realize that an electrical system is connected with the ground to form equipotential, so that leakage current possibly existing in equipment is poured into the ground, and the damage to a human body and other equipment is reduced. However, since the grounding wire is prone to have poor conduction due to natural corrosion, external force damage, and the like due to different use occasions and use times, the grounding current is affected, for example, a power failure accident due to tripping or damage of electrical equipment is caused, and therefore, the grounding performance of the grounding wire needs to be measured frequently. The existing detection methods mostly test the new conductive energy of the grounding body, and the grounding wire and the grounding body can be simultaneously tested by using the same method, but the more complicated measurement process can seriously affect the efficiency in frequent measurement due to the longer grounding wire.
Disclosure of Invention
In view of the above disadvantages in the prior art, the present invention provides a ground wire testing device and method for assisting the measurement of the existing ground resistance and improving the efficiency of the measurement.
The scheme provided by the invention is as follows:
the utility model provides a ground wire verifying attachment, includes the casing, the casing is two, and two the casing can lock joint each other, the casing both ends are equipped with the tip trough, the casing side is equipped with the inspection slot, the inside elastic conducting strip that is equipped with of casing, elastic conducting strip is located the extending direction of inspection slot, the one end and the casing fixed connection of inspection slot are kept away from to elastic conducting strip, and the other end is cantilever structure. The inspection device can be directly installed outside the grounding wire, and is switched on with the external circuit through the elastic conducting strip, the measurement of the grounding wire can be directly realized through the external measurer, repeated measurement can be realized after the inspection device is installed, each measurement only needs to be carried out by inserting an inspection probe into the inspection slot, and the inspection efficiency is improved.
Preferably, the elastic conducting strip is provided with a middle wiring groove, and the middle wiring groove and the end wiring groove are coaxially arranged. The middle wiring groove is used for reducing the height of the free end of the elastic conducting plate, which is raised by the copper core through the copper core of the grounding wire, so that the elastic conducting plates of the two shells can be closer to each other and better contacted with the inspection probe.
Preferably, one end of the elastic conducting strip, which is close to the inspection slot, is provided with a bell mouth, and the bell mouth is convenient for insertion of the inspection probe.
Preferably, the side surface of the shell protrudes outwards, the protruding part is connected with the buckle cover, and the inspection slot is arranged on the protruding part. The convex part is provided with a buckle cover which can cover the inspection slot when not in use, thereby preventing foreign matters from entering the shell.
Preferably, the two ends of the shell are provided with rubber sealing gaskets, and the end wiring groove is formed in each rubber sealing gasket. The rubber sealing gasket can reduce the foreign matters from entering the shell, and can fix the inspection device on the grounding wire through friction force, so that the inspection device cannot move easily.
A grounding wire inspection method uses the grounding wire inspection device, and comprises the following steps:
a. selecting a detection part on the grounding wire, and cutting off an insulating sheath at the detection part to expose a copper core;
b. buckling the shell at the inspection part, so that the copper core with the insulating sheath cut off is positioned in the shell and is in contact with the elastic conducting strip;
c. inserting a test probe into the test slot, wherein the test probe is connected with the grounding resistance tester;
d. the ground line resistance is measured by a ground resistance tester.
After the inspection device is installed on the grounding wire, the grounding wire can be repeatedly inspected through the inspection device, and the working efficiency is improved.
Preferably, a plurality of inspection sites are selected on the ground line, and inspection devices are mounted on the ground line, respectively. When the grounding wire has a fault, the positions of fault points can be effectively checked by respectively detecting a plurality of detection devices.
Preferably, after said step d, the test probe is pulled out and the snap cap is mounted on the housing. The protection to the inner space of the shell can be achieved after the buckle cover is installed.
The invention has the following beneficial effects:
the inspection device can realize repeated inspection of the ground wire and improve the working efficiency, and although the insulation sheath of the ground wire is cut off, the cut-off part of the ground wire can be effectively protected under the non-working state so as not to contact with the outside.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-shell, 2-bulge, 3-rubber sealing gasket, 4-elastic conducting strip, 5-grounding wire, 21-inspection slot, 22-external thread, 31-end wiring slot, 41-middle wiring slot, 42-horn mouth, 51-insulating sheath and 52-copper core.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a ground wire testing device, which includes two housings 1, the two housings 1 are symmetrically disposed and can be fastened together, and one side of the housing 1 is provided with a protruding portion 2 protruding outwards. Two ends of the shell 1 are provided with rubber gaskets 3, and the rubber gaskets 3 are provided with end wiring grooves 31. The end of the protruding part 2 is provided with a checking slot 21, and the outer side of the protruding part 2 is provided with an external thread 22 for connecting a buckle cover after the shell 1 is buckled. An elastic conducting strip 4 is arranged in the shell 1, the elastic conducting strip 4 is positioned in the extending direction of the inspection slot 21, one end, far away from the inspection slot 21, of the elastic conducting strip 4 is fixedly connected with the shell 1, and the other end of the elastic conducting strip is of a cantilever structure. The elastic conductive sheet 4 is provided with a middle wiring groove 41, and the middle wiring groove 41 is coaxially arranged with the end wiring groove 31. One end of the elastic conducting strip 4 close to the inspection slot 21 is provided with a bell mouth 42, and the bell mouth 42 is convenient for the insertion of an inspection probe.
When the cable is installed, the grounding wire 5 is passed through the end part wiring grooves 31, the insulating sheath 51 of the grounding wire 5 between the end part wiring grooves 5 at both ends is cut off to expose the copper core 52, and the copper core 52 is contacted with the middle part wiring groove 41.
A grounding wire inspection method uses the grounding wire inspection device, and comprises the following steps:
a. selecting a plurality of inspection positions on the grounding wire 5, and cutting off the insulating sheath 51 at the inspection positions to expose the copper core 52;
b. buckling the shell 1 at each inspection position, and enabling the copper core 52 with the cut insulating sheath 51 to be positioned inside the shell 1 and to be in contact with the elastic conducting strip 4;
c. inserting a test probe into the test slot 21, wherein the test probe is connected with the grounding resistance tester;
d. measuring the resistance of the grounding wire 5 by a grounding resistance tester;
e. the cover is mounted to the housing 1.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a ground wire verifying attachment which characterized in that: the novel multifunctional inspection slot comprises a housing, the casing is two, and two the casing can lock joint each other, the casing both ends are equipped with the tip trough, the casing side is equipped with the inspection slot, the inside elastic conducting strip that is equipped with of casing, elastic conducting strip is located the extending direction of inspection slot, the one end and the casing fixed connection of inspection slot are kept away from to elastic conducting strip, and the other end is cantilever structure.
2. The ground wire testing device of claim 1, wherein: the elastic conducting strip is provided with a middle wiring groove, and the middle wiring groove and the end wiring groove are coaxially arranged.
3. The ground wire testing device according to claim 1 or 2, wherein: and one end of the elastic conducting strip, which is close to the inspection slot, is provided with a horn mouth.
4. The ground wire testing device of claim 1, wherein: the side surface of the shell protrudes outwards, the protruding part is connected with the buckle cover, and the inspection slot is arranged on the protruding part.
5. The ground wire testing device of claim 1, wherein: the casing both ends are equipped with rubber seal pad, tip trough sets up on rubber seal pad.
6. A ground wire inspection method is characterized in that: use of a ground wire testing device according to any of claims 1-5, comprising the steps of:
a. selecting a detection part on the grounding wire, and cutting off an insulating sheath at the detection part to expose a copper core;
b. buckling the shell at the inspection part, so that the copper core with the insulating sheath cut off is positioned in the shell and is in contact with the elastic conducting strip;
c. inserting a test probe into the test slot, wherein the test probe is connected with the grounding resistance tester;
d. the ground line resistance is measured by a ground resistance tester.
7. The ground wire inspection method according to claim 6, wherein: a plurality of inspection sites are selected on the ground wire, and inspection devices are mounted on the ground wire, respectively.
8. The ground wire inspection method according to claim 6, wherein: and d, after the step d is finished, pulling out the inspection probe, and mounting the buckle cover on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010947892.1A CN112034389A (en) | 2020-09-10 | 2020-09-10 | Grounding wire inspection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010947892.1A CN112034389A (en) | 2020-09-10 | 2020-09-10 | Grounding wire inspection device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112034389A true CN112034389A (en) | 2020-12-04 |
Family
ID=73585317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010947892.1A Pending CN112034389A (en) | 2020-09-10 | 2020-09-10 | Grounding wire inspection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112034389A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207568U (en) * | 1986-10-07 | 1987-12-23 | 查志清 | Digital-displaying electric-measuring sheet |
| US4981443A (en) * | 1989-12-21 | 1991-01-01 | General Motors Corporation | Diagnostic connector tap |
| US20060172586A1 (en) * | 2005-01-28 | 2006-08-03 | Shane Rosenblatt | Electrical test lead connector |
| CN201937233U (en) * | 2010-12-29 | 2011-08-17 | 河南省电力公司焦作供电公司 | Short-circuit proof device for cable |
| CN202067907U (en) * | 2011-04-14 | 2011-12-07 | 辽宁省电力有限公司盘锦供电公司 | Conducting wire adapter |
| CN103472352A (en) * | 2013-09-16 | 2013-12-25 | 国网河南省电力公司焦作供电公司 | Ground lead detection method |
| CN204407534U (en) * | 2015-01-28 | 2015-06-17 | 国家电网公司 | A kind of jockey |
| CN205301519U (en) * | 2016-01-14 | 2016-06-08 | 国家电网公司 | Earth connection detection device |
| CN206274596U (en) * | 2016-12-29 | 2017-06-23 | 国网冀北电力有限公司技能培训中心 | Multifunction insulating wire bushing |
| CN207719755U (en) * | 2017-12-19 | 2018-08-10 | 南阳森源塑胶有限公司 | A kind of electric wire pipe fitting |
| CN208156124U (en) * | 2018-03-27 | 2018-11-27 | 杭州星外星科技有限公司 | It is grounded detection device |
| CN109216979A (en) * | 2017-07-05 | 2019-01-15 | 泰科电子(上海)有限公司 | Connector |
| CN109884401A (en) * | 2019-04-08 | 2019-06-14 | 国网四川省电力公司攀枝花供电公司 | A kind of device and method of not unwrapping wire test pole tower ground resistance |
| CN110459883A (en) * | 2019-08-27 | 2019-11-15 | 广东电网有限责任公司 | A kind of wire clamp insulating sheath for low-voltage customer wiring |
-
2020
- 2020-09-10 CN CN202010947892.1A patent/CN112034389A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207568U (en) * | 1986-10-07 | 1987-12-23 | 查志清 | Digital-displaying electric-measuring sheet |
| US4981443A (en) * | 1989-12-21 | 1991-01-01 | General Motors Corporation | Diagnostic connector tap |
| US20060172586A1 (en) * | 2005-01-28 | 2006-08-03 | Shane Rosenblatt | Electrical test lead connector |
| CN201937233U (en) * | 2010-12-29 | 2011-08-17 | 河南省电力公司焦作供电公司 | Short-circuit proof device for cable |
| CN202067907U (en) * | 2011-04-14 | 2011-12-07 | 辽宁省电力有限公司盘锦供电公司 | Conducting wire adapter |
| CN103472352A (en) * | 2013-09-16 | 2013-12-25 | 国网河南省电力公司焦作供电公司 | Ground lead detection method |
| CN204407534U (en) * | 2015-01-28 | 2015-06-17 | 国家电网公司 | A kind of jockey |
| CN205301519U (en) * | 2016-01-14 | 2016-06-08 | 国家电网公司 | Earth connection detection device |
| CN206274596U (en) * | 2016-12-29 | 2017-06-23 | 国网冀北电力有限公司技能培训中心 | Multifunction insulating wire bushing |
| CN109216979A (en) * | 2017-07-05 | 2019-01-15 | 泰科电子(上海)有限公司 | Connector |
| CN207719755U (en) * | 2017-12-19 | 2018-08-10 | 南阳森源塑胶有限公司 | A kind of electric wire pipe fitting |
| CN208156124U (en) * | 2018-03-27 | 2018-11-27 | 杭州星外星科技有限公司 | It is grounded detection device |
| CN109884401A (en) * | 2019-04-08 | 2019-06-14 | 国网四川省电力公司攀枝花供电公司 | A kind of device and method of not unwrapping wire test pole tower ground resistance |
| CN110459883A (en) * | 2019-08-27 | 2019-11-15 | 广东电网有限责任公司 | A kind of wire clamp insulating sheath for low-voltage customer wiring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206057373U (en) | A kind of special electric power secondary circuit short circuit p-wire | |
| KR101692638B1 (en) | Cable connector for detecting deterioration of cross link self-contraction type | |
| WO2024061259A1 (en) | Electrical connector | |
| CN210720637U (en) | Cable joint partial discharge monitoring sensor and cable joint partial discharge monitoring system | |
| CN112034389A (en) | Grounding wire inspection device and method | |
| CN110673061A (en) | Composite portable short circuit grounding wire with self-detection function | |
| CN114924106A (en) | Insulation resistance voltage testing and measuring wiring device for wading test of electric automobile | |
| CN209910845U (en) | Cabinet type temperature sensor | |
| CN208488493U (en) | A kind of turbine generator stator bar slot potential test device | |
| CN209786317U (en) | cable connecting device | |
| CN215728568U (en) | High-voltage cable partial discharge coupler | |
| CN111190086A (en) | GIS partial discharge on-line monitoring device | |
| CN220122152U (en) | Anticreep electric connector | |
| CN220603585U (en) | High-voltage cable circulation and partial discharge monitoring device | |
| CN220273271U (en) | Installation wiring device of bus duct monitoring unit | |
| CN217585852U (en) | Sensor testing device | |
| CN215005534U (en) | Connector converter for aviation plug measurement | |
| CN220019652U (en) | End face injection joint device for cable measurement | |
| CN219737735U (en) | Aviation plug disassembly-free detection device | |
| CN220650729U (en) | Aviation socket for generator test | |
| CN210894582U (en) | Fixing device of built-in sensor | |
| CN210894581U (en) | A ground connection case subassembly for partial discharge test | |
| CN219552598U (en) | Interface device and density relay verification device with same | |
| CN211318522U (en) | Multifunctional test joint for loop resistor of GIS circuit breaker | |
| CN216646705U (en) | Insulating cover for 500kV lightning arrester test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201204 |
|
| RJ01 | Rejection of invention patent application after publication |