CN105449566A - Grounding device - Google Patents
Grounding device Download PDFInfo
- Publication number
- CN105449566A CN105449566A CN201511033110.9A CN201511033110A CN105449566A CN 105449566 A CN105449566 A CN 105449566A CN 201511033110 A CN201511033110 A CN 201511033110A CN 105449566 A CN105449566 A CN 105449566A
- Authority
- CN
- China
- Prior art keywords
- cable
- connector
- elbow
- grounding
- crossover sub
- 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
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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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
- H01R4/26—Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a grounding device. The grounding device comprises a cable conversion connector, an insulation cap and an elbow grounding cable connector, wherein the cable conversion connector is arranged on a cable front connector of a circuit, the insulation cap covers the cable conversion connector, and the elbow grounding cable connector can be inserted into a sleeve pipe port of the cable conversion connector and is connected with a grounding line. The cable conversion connector is arranged on the cable front connector of the circuit and protected by the insulation cap, so that the normal usage of the device is ensured; and during maintenance, the insulation cap is drawn out, electrical inspection is carried out on the sleeve pipe port of the cable conversion connector, and when the device is determined not to be charged, the elbow grounding cable connector is inserted into the sleeve pipe port of the cable conversion connector so as to make the cable conversion connector connected with the elbow grounding cable connector. With the application of the device, the grounding device can be directly hung at a fault point to achieve fault repair operation, a main line switch is not needed to switch off, the power-off range is reduced, and the normal usage of the device is ensured.
Description
Technical field
The present invention relates to electrical equipment technical field, in particular, relate to a kind of earthing device.
Background technology
At present, all insulation at cable branch box and box type transformer and miniaturized looped network station and hermetically sealed property, do not have grounding wire device, when carrying out electrical verification to overhaul to equipment, main inlet wire cable place cuts off by usual employing, then at inlet wire cable place earth connection, then overhauls after carrying out electrical verification.
Due to the mode that existing cable branch box etc. is all series connection, this makes inlet wire cable place to be had a power failure rear power failure range comparatively greatly, affects the normal use of electric power system.
Therefore, how providing a kind of earthing device, the scope had a power failure during to reduce maintenance, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
In view of this, the invention provides a kind of earthing device, the scope had a power failure during to reduce maintenance.
For achieving the above object, the invention provides following technical scheme:
A kind of earthing device, it comprises:
Be arranged on the cable crossover sub in the cable front connector of circuit;
Be located at the insulator cap on described cable crossover sub;
Can insert the elbow-type earth cable joint of the cover interface tube of described cable crossover sub, described elbow-type earth cable joint is connected with earth connection.
Preferably, in above-mentioned earthing device, described cable front connector is T-shaped cable joint.
Preferably, in above-mentioned earthing device, described insulator cap and the detachable clamping of described cable crossover sub.
Preferably, in above-mentioned earthing device, described cable crossover sub circumferentially has cannelure, described insulator cap has the annular protrusion coordinated with described cannelure.
Preferably, in above-mentioned earthing device, described elbow-type earth cable joint has the clamping boss coordinated with described cannelure.
Known via above-mentioned technical scheme, the invention discloses a kind of earthing device, it comprises: cable crossover sub, insulator cap and elbow-type earth cable joint, wherein, cable crossover sub is arranged in the cable front connector of circuit, and insulator cap is located on cable crossover sub, above-mentioned elbow-type earth cable joint can insert in the cover interface tube of cable crossover sub, and this elbow-type earth cable joint is connected with earth connection.Install each looped network station, cable branch box and box type transformer time, cable crossover sub is installed in cable front connector on the line, and with insulator cap, cable crossover sub is protected, ensure the normal use of equipment; When overhauling equipment, insulator cap insulating bar is pulled out, and carry out electrical verification with the sleeve pipe interface of electroscope insertion cable crossover sub, after determining that this equipment is not charged, the handle hole of elbow-type earth cable joint is caught on insulating bar, elbow-type earth cable joint is inserted cable crossover sub cover interface tube, and cable crossover sub is connected with elbow-type earth cable joint.Use this device directly can hang this earthing device in fault point to realize breakdown repair operation, do not need to stop main line switch, therefore, reduce power failure range, ensure that the normal use of equipment.
In addition, this device is easy to operate, only needs on the basis of original cable front connector, load onto a set of current conversion joint and on the equipment that originally can not hang earth connection, carries out ground connection operation with regard to realizing, while saving the operating time, processing safety improves, and also can reduce the labour intensity of operator.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation being arranged on the cable crossover sub in cable front connector that Fig. 1 provides for the embodiment of the present invention;
The structural representation being covered with the cable crossover sub of insulator cap that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the earthing device that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Core of the present invention is to provide a kind of earthing device, the scope had a power failure during to reduce maintenance.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1-Figure 3, the invention discloses a kind of earthing device, it comprises: cable crossover sub 2, insulator cap 3 and elbow-type earth cable joint 4, wherein, cable crossover sub 2 is arranged in the cable front connector 1 of circuit, and insulator cap 3 is located on cable crossover sub 2, above-mentioned elbow-type earth cable joint 4 can insert in the cover interface tube of cable crossover sub 2, and this elbow-type earth cable joint 4 is connected with earth connection.Install each looped network station, cable branch box and box type transformer time, cable crossover sub 2 is installed in cable front connector 1 on the line, and with insulator cap 3, cable crossover sub 2 is protected, guarantee equipment normal use; When overhauling equipment, insulator cap 3 is pulled out with insulating bar, and carry out electrical verification with the sleeve pipe interface of electroscope insertion cable crossover sub 2, after determining that this equipment is not charged, the handle hole of elbow-type earth cable joint 4 is caught on insulating bar, elbow-type earth cable joint 4 is inserted cable crossover sub 2 and overlaps interface tube, and cable crossover sub 2 is connected with elbow-type earth cable joint 4.Use this device directly can hang this earthing device in fault point to realize breakdown repair operation, do not need to stop main line switch, therefore, reduce power failure range, ensure that the normal use of equipment.
In addition, this device is easy to operate, only need on the basis of original cable front connector 1, load onto a set of current conversion joint 2 and on the equipment that originally can not hang earth connection, carry out ground connection operation with regard to realizing, while saving the operating time, processing safety improves, and also can reduce the labour intensity of operator.
In further embodiment, this cable front connector 1 is specially T-shaped cable joint.It will be appreciated by persons skilled in the art that and other forms of cable joint also be can be for cable front connector 1, needing for using the cable joint of which kind of type to select according to different needs.
The connected mode of a kind of insulator cap 3 and cable crossover sub 2 is provided in specific embodiment, particularly, the clamping detachable with cable crossover sub 2 of this insulator cap 3, realizes the connection of cable crossover sub 2 and insulator cap 3 by the mode of clamping, simplified operation, handled easily.
In preferred embodiment, cable crossover sub 2 circumferentially arranges cannelure, the annular protrusion coordinated with this cannelure is set accordingly on insulator cap 3.Cable crossover sub 2 is being arranged on after in cable front connector 1, insulator cap 3 is being arranged on this cable crossover sub 2, the connection of both realizations.Position in practice for cannelure and annular protrusion can exchange, as long as the matching relationship both ensureing.
On the basis of technique scheme, the elbow-type earth cable joint 4 of earthing device disclosed in the application has the clamping boss coordinated with above-mentioned cannelure, coordinates by clamping boss and cannelure the connection realizing elbow-type earth cable joint 4 and cable crossover sub 2.Merely provide the connected mode of a kind of cable crossover sub 2 and elbow-type earth cable joint 4 in the application, in practice, both also can adopt other connected modes to realize connecting.
The power equipment of the 10KV-24KV of earthing device disclosed in the application all can use, and this device can not only provide an electrical verification and visible earth point for equipment or cable when overhauling, and can also provide voltage lead-out wire at the trial for equipment or cable simultaneously.This equipment can reduce service work difficulty, reduces interruption duration and power failure range, improves power supply reliability, can reduce the waste of manpower and materials simultaneously.
After this device is gone into operation, can realize when turnover interval, looped network station changes maintenance an electrical verification and direct outer hanging earthing conductor, realize when the looped network station outgoing line interval not installing grounding switch changes maintenance directly changing inspection operation by hanging this earthing device to carry out at this outgoing line side and no longer needing to change maintenance to the inlet wire interval of this looped network station outgoing line side.In addition, during cable branch box fault, the feeder pillar switch below by this feeder pillar is no longer needed to pull open one by one, by directly hanging this earthing device in fault point to realize breakdown repair operation, like this equally for box type transformer.Use this device to stop main line switch to can greatly reduce when equipment fault repairing or plan construction, even stop the possibility of double circuit line.
In addition, in practice, this grounding apparatus also has arc-control device, effectively to avoid the phenomenon producing electric arc during cable end plug.For the arcing contact that arc-control device is round mechanical switch, in order to limit electric arc and to help the device of arc extinction.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. an earthing device, is characterized in that, comprising:
Be arranged on the cable crossover sub (2) in the cable front connector (1) of circuit;
Be located at the insulator cap (3) on described cable crossover sub (2);
Can insert the elbow-type earth cable joint (4) of the cover interface tube of described cable crossover sub (2), described elbow-type earth cable joint (4) is connected with earth connection.
2. earthing device according to claim 1, is characterized in that, described cable front connector (1) is T-shaped cable joint.
3. earthing device according to claim 1, is characterized in that, described insulator cap (3) clamping detachable with described cable crossover sub (2).
4. earthing device according to claim 3, is characterized in that, described cable crossover sub (2) circumferentially has cannelure, described insulator cap (3) has the annular protrusion coordinated with described cannelure.
5. earthing device according to claim 4, is characterized in that, described elbow-type earth cable joint (4) has the clamping boss coordinated with described cannelure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033110.9A CN105449566A (en) | 2015-12-31 | 2015-12-31 | Grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033110.9A CN105449566A (en) | 2015-12-31 | 2015-12-31 | Grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105449566A true CN105449566A (en) | 2016-03-30 |
Family
ID=55559488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511033110.9A Pending CN105449566A (en) | 2015-12-31 | 2015-12-31 | Grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449566A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598828A (en) * | 2018-05-18 | 2018-09-28 | 绍兴文理学院元培学院 | A kind of paired cable T connects formula installation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070141882A1 (en) * | 2005-12-21 | 2007-06-21 | Thomas & Betts International, Inc. | Separable electrical connector component having a voltage output branch and a direct access point |
| CN201156594Y (en) * | 2007-11-07 | 2008-11-26 | 江苏省电力公司南京供电公司 | Earthing device of electric cable branch box |
| CN201430410Y (en) * | 2009-06-25 | 2010-03-24 | 泉州七星电气有限公司 | Cable terminal connector with earth rod |
| CN202340114U (en) * | 2011-12-12 | 2012-07-18 | 辽宁省电力有限公司锦州供电公司 | Plug type prefabricated cable terminal |
| CN202340094U (en) * | 2011-12-12 | 2012-07-18 | 辽宁省电力有限公司锦州供电公司 | Pluggable prefabricated cable terminal grounding device |
| WO2014125073A1 (en) * | 2013-02-15 | 2014-08-21 | Multi-Holding Ag | Device for contacting a bus bar |
-
2015
- 2015-12-31 CN CN201511033110.9A patent/CN105449566A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070141882A1 (en) * | 2005-12-21 | 2007-06-21 | Thomas & Betts International, Inc. | Separable electrical connector component having a voltage output branch and a direct access point |
| CN201156594Y (en) * | 2007-11-07 | 2008-11-26 | 江苏省电力公司南京供电公司 | Earthing device of electric cable branch box |
| CN201430410Y (en) * | 2009-06-25 | 2010-03-24 | 泉州七星电气有限公司 | Cable terminal connector with earth rod |
| CN202340114U (en) * | 2011-12-12 | 2012-07-18 | 辽宁省电力有限公司锦州供电公司 | Plug type prefabricated cable terminal |
| CN202340094U (en) * | 2011-12-12 | 2012-07-18 | 辽宁省电力有限公司锦州供电公司 | Pluggable prefabricated cable terminal grounding device |
| WO2014125073A1 (en) * | 2013-02-15 | 2014-08-21 | Multi-Holding Ag | Device for contacting a bus bar |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598828A (en) * | 2018-05-18 | 2018-09-28 | 绍兴文理学院元培学院 | A kind of paired cable T connects formula installation method |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |
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| RJ01 | Rejection of invention patent application after publication |