CN105470875A - 10kV inserting type grounding device - Google Patents

10kV inserting type grounding device Download PDF

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Publication number
CN105470875A
CN105470875A CN201511032912.8A CN201511032912A CN105470875A CN 105470875 A CN105470875 A CN 105470875A CN 201511032912 A CN201511032912 A CN 201511032912A CN 105470875 A CN105470875 A CN 105470875A
Authority
CN
China
Prior art keywords
cable
crossover sub
plug
cable crossover
connector
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
Application number
CN201511032912.8A
Other languages
Chinese (zh)
Inventor
何君杰
夏家峰
江斌
司徒佳波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201511032912.8A priority Critical patent/CN105470875A/en
Publication of CN105470875A publication Critical patent/CN105470875A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention provides a 10kV inserting type grounding device. The 10kV inserting type grounding device comprises an inserting type cable connector mounted in the inlet-outlet end of a cable, a cable conversion connector connected with the inserting type cable connector, and a grounding elbow connector, wherein one end of the grounding elbow connector is connected with a ground lead while the other end of the grounding elbow connector is detachably connected with the cable conversion connector. Therefore, the connection between the inserting type cable connector and the grounding elbow connector is realized through the cable conversion connector so as to hang ground leads for equipment required to be overhauled without causing a large-area power outage; and the power supply reliability of a looped network station is ensured, and the overhaul working efficiency is improved.

Description

A kind of 10kV plug-in type earthing device
Technical field
The present invention relates generally to the design field of earthing device, more particularly relates to a kind of 10kV plug-in type earthing device.
Background technology
Along with the development of power distribution network cable process, in the looped network station of all insulation, hermetically sealed miniaturization, cable branch box is usually used to carry out the connection of cable multi-branch, to realize tap or the switching of each equipment cable.In actual applications, in order to ensure this looped network station safe and reliable operation, needing staff regularly to connect this looped network station equipment and cable and overhauling, to get rid of potential safety hazard in time.
At present, maintenance is changed to the ring main unit in looped network station, normally by changing maintenance to realize to inlet wire cable, but, due to cable branch box only at outgoing line side with grounding switch, and adopt tandem to connect between these cable branch box, thus, when changing maintenance to inlet wire cable, needing large-area power-cuts, having had a strong impact on looped network station power supply reliability.
Summary of the invention
In view of this, the invention provides a kind of 10kV plug-in type earthing device, solve prior art when maintenance is changed to inlet wire cable, affecting the technical problem of looped network station power supply reliability because increasing power failure area.
To achieve these goals, this application provides following technical scheme:
A kind of 10kV plug-in type earthing device, described device comprises:
Be arranged on the plug-in cable joint of cable incoming-outgoing line end;
The cable crossover sub be connected with described plug-in cable joint;
One end is connected with earth connection, the ground connection elbow head that the other end and described cable crossover sub removably connect.
Preferably, described device also comprises:
Insulation protection cap, for when described cable crossover sub is not connected with described ground connection elbow head, covers on described cable crossover sub outer surface.
Preferably, described device also comprises:
Insulating bar, for when needs hang earth connection, pulls out described insulation protection cap from described cable crossover sub, so that the cover interface tube that electroscope inserts described cable crossover sub carries out electrical verification.
Preferably, described cable crossover sub is built-in with arc-suppression circuit.
Preferably, described plug-in cable joint is T-type structure, and the two ends be located along the same line are tapered.
Preferably, the vertical handle of described plug-in cable joint is provided with handle hole;
Then action bars is also for inserting in described handle hole, one end of described plug-in cable joint is inserted the cover interface tube of described cable crossover sub.
Preferably, described cover interface tube is provided with index line, is used to indicate the insertion position that the plug-in cable joint being provided with described cover interface tube inserts described ground connection elbow head.
Preferably, described cable crossover sub also comprises testing circuit, after described ground connection elbow head and described cable crossover sub are installed, for detection streamer and earth connection current state information.
Preferably, described cable crossover sub also comprises:
The alarm be connected with described testing circuit, during for indicating described cable not successfully to be connected with earth connection at described current state information, output alarm signal.
Preferably, described insulation protection crown portion is provided with insulating tab.
As can be seen here, compared with prior art, this application provides a kind of 10kV plug-in type earthing device, it includes the plug-in cable joint being arranged on cable incoming-outgoing line end, the cable crossover sub be connected with described plug-in cable joint, and one end is connected with earth connection, the ground connection elbow head that the other end and described cable crossover sub removably connect.As can be seen here, the present invention utilizes cable crossover sub to achieve the connection of plug-in cable joint and ground connection elbow head, thus for needing the equipment changing maintenance to hang earth connection, without the need to large-area power-cuts, ensure that draping station power supply reliability, and improve the operating efficiency changing maintenance.
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.
Fig. 1 is the structural representation of a kind of 10kV plug-in type of the present invention earthing device embodiment;
Fig. 2 is the structural representation of the present invention's another kind of 10kV plug-in type earthing device embodiment;
Fig. 3 is the structural representation of another 10kV plug-in type earthing device embodiment of the present invention.
Embodiment
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.
This application provides a kind of 10kV plug-in type earthing device, it includes the plug-in cable joint being arranged on cable incoming-outgoing line end, the cable crossover sub be connected with described plug-in cable joint, and one end is connected with earth connection, the ground connection elbow head that the other end and described cable crossover sub removably connect.As can be seen here, the present invention utilizes cable crossover sub to achieve the connection of plug-in cable joint and ground connection elbow head, thus for needing the equipment changing maintenance to hang earth connection, without the need to large-area power-cuts, ensure that draping station power supply reliability, and improve the operating efficiency changing maintenance.
With reference to shown in Fig. 1, be the structural representation of a kind of 10kV plug-in type of the present invention earthing device embodiment, the 10kV plug-in type earthing device that the present embodiment provides specifically can comprise:
Be arranged on the plug-in cable joint 100 of cable incoming-outgoing line end.
The cable crossover sub 200 be connected with described plug-in cable joint.
One end is connected with earth connection, the ground connection elbow head 300 that the other end and described cable crossover sub removably connect.
Optionally, this plug-in cable joint 100 specifically can be arranged to T-type structure, and the two ends be located along the same line are tapered, thus, in actual applications, cable incoming-outgoing wire can enter this plug-in cable joint 100 from a tapered mouth, and by another tapered mouth out, and installing cables crossover sub 200 on the tapered mouth of this cable outlet, to realize the connection with ground connection elbow head 300 by this cable crossover sub 200, thus realize the connection of cable and earth connection.
Wherein, in the transverse axis of the plug-in cable joint 100 of this T-type structure, being provided with cable fixing member, as its inside, two ends arranges back taper fixed part, affecting from avoiding cable activity and grounding connection reliability.
It should be noted that, plug-in cable joint 100 is not limited thereto above-mentioned T-type structure, pays that creative work determines so long as not those skilled in the art, all belongs to scope.
Optionally, as another embodiment of the present invention, in order to avoid producing arc phenomenon when cable end plugs, and endanger the personal safety of maintainer, arc-suppression circuit can be set in cable crossover sub 200 inside, in actual applications, the circuit connection structure of this arc-suppression circuit can refer to existing arc-suppression circuit, and the present invention is not described in detail in this.
In addition; the structural representation of the another kind of 10kV plug-in type earthing device embodiment shown in composition graphs 2; this device can also comprise insulation protection cap 400; for when described cable crossover sub 200 is not connected with described ground connection elbow head 300; when namely not needing to hang earth connection; this insulation protection cap 400 is covered on described cable crossover sub outer surface, thus the cable output end of protection plug-in cable joint 100, avoid operating personnel's error shock simultaneously.
Wherein, when the cable output end of plug-in cable joint 100 is tapered mouth, the cartridge type that this insulation protection cap 300 can be closed for one end, and this internal diameter is not less than the external diameter of cover interface tube.It should be noted that; for the profile of this insulation protection cap 300; be not limited to cartridge type; it can change according to the change of the cable output end profile of plug-in cable joint 100; the present invention describes in detail no longer one by one at this; pay so long as not those skilled in the art personnel that creative work determines, all belong to scope.
In the present embodiment, this insulation protection cap 300 specifically can be made up of the insulating material such as plastics or rubber, but is not limited thereto.
In actual applications, conveniently dismantle this insulation protection cap 300, insulating tab can be set at this insulation protection cap 300 top; Certainly; also can setting operation hole on this insulation protection cap 300; when needs hang earth connection; by insulating bar, described insulation protection cap 300 is pulled out from described cable crossover sub; so that the cover interface tube that electroscope 500 inserts described cable crossover sub carries out electrical verification; as shown in Figure 3, thus avoid hot line job and endanger operating personnel's personal safety.
Optionally, all right setting operation hole on the vertical handle of above-mentioned plug-in cable joint 100, in actual applications, inserted in this handle hole by action bars, thus the cover interface tube of described cable crossover sub 200 is inserted in one end of described plug-in cable joint 100.
Wherein, in order to ensure that system earth point reliably connects, the present invention can arrange index line at cable crossover sub 200 outer surface, it can be a circle or part, the present invention is not construed as limiting this, thus, when the cover interface tube of described cable crossover sub 200 is inserted in one end of plug-in cable joint 100, will be the standard be in place with the index line covered on this cover interface tube.In actual applications, observe this index line for the ease of operator, the lines of color clear can be set to, as yellow line, red line etc.
Certainly; in the present invention, other modes can also be adopted to instruct operating personnel to the reliable installation of this 10kV plug-in type earthing device, and the present invention will not enumerate at this; pay so long as not those skilled in the art that creative work determines, all belong to scope.
As further embodiment of this invention, on the basis of above-described embodiment, above-mentioned cable crossover sub 200 can also comprise:
After ground connection elbow head 300 and described cable crossover sub 200 are installed, for the testing circuit of detection streamer and earth connection current state information.
Wherein, this testing circuit is specifically as follows current sensor etc., and the present invention does not do concrete restriction to this, as long as can detect whether cable incoming-outgoing wire is connected with earth connection.
Optionally, this cable crossover sub 200 can also comprise:
The alarm be connected with described testing circuit, during for indicating described cable not successfully to be connected with earth connection at described current state information, output alarm signal, to remind testing staff that this cable crossover sub 200 is not reliably connected with ground connection elbow head 300.
Wherein, above-mentioned alarm is specifically as follows indicator light, buzzer or voice module etc., and the present invention does not do concrete restriction to this.
In sum, the embodiment of the present invention is by being installed into this elbow-type earth cable joint by cable incoming-outgoing wire, again this cable crossover sub is installed into elbow-type earth cable joint, thus cable incoming-outgoing wire is entered one end that this cable crossover sub is not connected with elbow-type earth cable joint, when needs change maintenance to cable incoming-outgoing wire, when determining that equipment is not charged, only need ground connection elbow head to be arranged on the ground connection operation that this cable crossover sub can realize this cable incoming-outgoing wire, without the need to carrying out large-area power-cuts, ensure that looped network station power supply reliability.
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 (10)

1. a 10kV plug-in type earthing device, is characterized in that, described device comprises:
Be arranged on the plug-in cable joint of cable incoming-outgoing line end;
The cable crossover sub be connected with described plug-in cable joint;
One end is connected with earth connection, the ground connection elbow head that the other end and described cable crossover sub removably connect.
2. device according to claim 1, is characterized in that, described device also comprises:
Insulation protection cap, for when described cable crossover sub is not connected with described ground connection elbow head, covers on described cable crossover sub outer surface.
3. device according to claim 2, is characterized in that, described device also comprises:
Insulating bar, for when needs hang earth connection, pulls out described insulation protection cap from described cable crossover sub, so that the cover interface tube that electroscope inserts described cable crossover sub carries out electrical verification.
4. the device according to claim 1-3 any one, is characterized in that, described cable crossover sub is built-in with arc-suppression circuit.
5. device according to claim 4, is characterized in that, described plug-in cable joint is T-type structure, and the two ends be located along the same line are tapered.
6. device according to claim 5, is characterized in that, the vertical handle of described plug-in cable joint is provided with handle hole;
Then action bars is also for inserting in described handle hole, one end of described plug-in cable joint is inserted the cover interface tube of described cable crossover sub.
7. device according to claim 4, is characterized in that, described cover interface tube is provided with index line, is used to indicate the insertion position that the plug-in cable joint being provided with described cover interface tube inserts described ground connection elbow head.
8. device according to claim 7, is characterized in that, described cable crossover sub also comprises testing circuit, after described ground connection elbow head and described cable crossover sub are installed, for detection streamer and earth connection current state information.
9. device according to claim 8, is characterized in that, described cable crossover sub also comprises:
The alarm be connected with described testing circuit, during for indicating described cable not successfully to be connected with earth connection at described current state information, output alarm signal.
10. device according to claim 9, is characterized in that, described insulation protection crown portion is provided with insulating tab.
CN201511032912.8A 2015-12-31 2015-12-31 10kV inserting type grounding device Pending CN105470875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511032912.8A CN105470875A (en) 2015-12-31 2015-12-31 10kV inserting type grounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511032912.8A CN105470875A (en) 2015-12-31 2015-12-31 10kV inserting type grounding device

Publications (1)

Publication Number Publication Date
CN105470875A true CN105470875A (en) 2016-04-06

Family

ID=55608323

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201511032912.8A Pending CN105470875A (en) 2015-12-31 2015-12-31 10kV inserting type grounding device

Country Status (1)

Country Link
CN (1) CN105470875A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980374A (en) * 1975-02-26 1976-09-14 International Telephone And Telegraph Corporation Separable splice connector
US4202591A (en) * 1978-10-10 1980-05-13 Amerace Corporation Apparatus for the remote grounding, connection and disconnection of high voltage electrical circuits
US4799895A (en) * 1987-06-22 1989-01-24 Amerace Corporation 600-Amp hot stick operable screw-assembled connector system
US5421750A (en) * 1994-05-24 1995-06-06 Amerace Corporation 200 AMP bolted elbow with a loadbreak tap
US6416338B1 (en) * 2001-03-13 2002-07-09 Hubbell Incorporated Electrical connector with dual action piston
CN2523088Y (en) * 2002-01-24 2002-11-27 深圳市惠程电气有限责任公司 Power cable elbow plug
US20060035498A1 (en) * 2002-05-16 2006-02-16 Homac Mfg. Company Enhanced separable connector with thermoplastic member and related methods
CN101567493A (en) * 2005-12-21 2009-10-28 托马斯及贝茨国际股份有限公司 Assembled structure with separable electrical connector component
CN201430410Y (en) * 2009-06-25 2010-03-24 泉州七星电气有限公司 Cable terminal connector with earth rod
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
CN202888523U (en) * 2012-10-11 2013-04-17 广东安迪普科技有限公司 Whole shielding metal armored cable connecting plug
CN203218583U (en) * 2013-04-26 2013-09-25 上海银通电缆附件有限公司 Elbow-type cable plug-pull head

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980374A (en) * 1975-02-26 1976-09-14 International Telephone And Telegraph Corporation Separable splice connector
US4202591A (en) * 1978-10-10 1980-05-13 Amerace Corporation Apparatus for the remote grounding, connection and disconnection of high voltage electrical circuits
US4799895A (en) * 1987-06-22 1989-01-24 Amerace Corporation 600-Amp hot stick operable screw-assembled connector system
US5421750A (en) * 1994-05-24 1995-06-06 Amerace Corporation 200 AMP bolted elbow with a loadbreak tap
US6416338B1 (en) * 2001-03-13 2002-07-09 Hubbell Incorporated Electrical connector with dual action piston
CN2523088Y (en) * 2002-01-24 2002-11-27 深圳市惠程电气有限责任公司 Power cable elbow plug
US20060035498A1 (en) * 2002-05-16 2006-02-16 Homac Mfg. Company Enhanced separable connector with thermoplastic member and related methods
CN101567493A (en) * 2005-12-21 2009-10-28 托马斯及贝茨国际股份有限公司 Assembled structure with separable electrical connector component
CN201430410Y (en) * 2009-06-25 2010-03-24 泉州七星电气有限公司 Cable terminal connector with earth rod
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
CN202888523U (en) * 2012-10-11 2013-04-17 广东安迪普科技有限公司 Whole shielding metal armored cable connecting plug
CN203218583U (en) * 2013-04-26 2013-09-25 上海银通电缆附件有限公司 Elbow-type cable plug-pull head

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Application publication date: 20160406