CN109546376A - A kind of extended pattern direct current connecting terminal block - Google Patents

A kind of extended pattern direct current connecting terminal block Download PDF

Info

Publication number
CN109546376A
CN109546376A CN201811170382.7A CN201811170382A CN109546376A CN 109546376 A CN109546376 A CN 109546376A CN 201811170382 A CN201811170382 A CN 201811170382A CN 109546376 A CN109546376 A CN 109546376A
Authority
CN
China
Prior art keywords
screw
long
insulation crust
direct current
conductive sheet
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
CN201811170382.7A
Other languages
Chinese (zh)
Inventor
解建平
杜永刚
王占维
崔良
王晓蒙
张立辉
孔凡宁
高岩
曹磊
王光华
高龙
刘浩
翟雨濛
孙喆
李众人
王昊毅
万里鹏
仇志
刘博�
刘龙
周全
商婷婷
张娴
耿伟芳
朱质珊
张琳
李雅玲
葛文霞
许京晖
郭贵元
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
State Grid Hebei Electric Power Co Ltd
Baoding Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Baoding Power Supply Co of State Grid Hebei 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, State Grid Hebei Electric Power Co Ltd, Baoding Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201811170382.7A priority Critical patent/CN109546376A/en
Publication of CN109546376A publication Critical patent/CN109546376A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/26End pieces terminating in a screw clamp, screw or nut
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/30Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36Conductive members located under tip of screw

Abstract

The invention discloses a kind of extended pattern direct current connecting terminal blocks, do not run through including insulation crust, the long cable section of ingoing line mouth being arranged on insulation crust, the long screw through insulation crust and insertion and the short screw of insulation crust;One end of long screw and conductive sheet is conductively connected, and the precession direction of short screw and the other end of the conductive sheet are corresponding, waiting cable tight fit and conductive connection of the other end of conductive sheet in the case where the precession of short screw pushes and in long cable section of ingoing line mouth;Long screw is pierced by the screw rod of insulation crust except end is externally provided with screw rod insulating protective sleeve, is cased with nut insulation protection cylinder on the nut of long screw and short screw.The present invention firmly installs, using flexible, applied widely, and new power point can be not only drawn in the case where continuous open shop DC power supply, but also solves " pressure two-wire " insecure bring security risk.

Description

A kind of extended pattern direct current connecting terminal block
Technical field
The present invention relates to a kind of extended pattern direct current connecting terminal blocks, and it is daily to be suitable for the automation of network system transforming plant protecting Maintenance, belongs to electric power tool field.
Background technique
For some overhauls of current 110kV, 35kV substation, technological transformation and the usually work such as defect elimination, sometimes we are needed A plurality of power supply point is drawn in direct current system.In most cases we get used to replacing (multiple) both-end Son row goes " pressure two-wire " to draw power supply;We just need to disconnect former operation DC power supply in this way, but require in certain work DC power supply cannot be disconnected, this just works to us and brings difficulty.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind to carry out quickly in the case where not turning off DC power supply The extended pattern direct current connecting terminal block of extension.
A kind of extended pattern direct current connecting terminal block including insulation crust, the long cable section of ingoing line mouth being arranged on insulation crust, passes through Wear insulation crust long screw and insertion and do not run through insulation crust short screw;
One end of the long screw and conductive sheet is conductively connected, the precession direction of the short screw and the other end of the conductive sheet Corresponding, waiting cable tight of the other end of the conductive sheet in the case where the precession of short screw pushes and in the long cable section of ingoing line mouth is matched It closes and is conductively connected;
The long screw is pierced by the screw rod of insulation crust except end is externally provided with screw rod insulating protective sleeve, the long screw and short spiral shell Nut insulation protection cylinder is cased on the nut of silk.
Further, the insulation crust is equipped with the screw thread for matching fastening with the long screw, short screw respectively.
Further, the insulation crust, nut insulation protection cylinder and screw rod insulating protective sleeve are integrally formed.
Further, the long cable section of ingoing line mouth is Phoenix formula connection jaws.
Beneficial effects of the present invention are as follows:
The present invention can not only draw new power point in the case where continuous open shop DC power supply, but also to solve " pressure two-wire " insecure Bring security risk.The present invention firmly installs, using flexible, applied widely.
The common DC terminal row of substation all arranges using for Phoenix DC terminal, and general wiring is to draw from one end Enter wiring, the other end draws wiring and sometimes needs to draw new power point again, but be easy to cause fortune when single extraction power supply point Row circuit power-off, because may move former Phoenix DC terminal row while adding new lead, inevitably The operating loop for connecing and drawing on DC terminal row can be moved, it is possible to influence former supply voltage;Or it goes to unclamp former phenanthrene Knicks DC terminal arranges one end and " pressure two-wire " is gone to remove to draw power supply, but this wiring is while unclamping terminal block one end, Operation supply voltage is just inevitably influenced, and " pressure two-wire " this mode of connection itself is not easy line to compress, Phenomena such as will cause voltage instability.If former DC power supply is applied in the important protective device power supply of substation, at this time will Influence is arrived at a station interior important protective device, it is possible to cause substation's leapfrog accident.
The present invention effectively solve the problems, such as it is above-mentioned bring, the terminal block of extension is fixed by long screw, and shell is according to Fei Nike This groove design, effectively agrees with therewith, and shell is designed using all insulation, ensure that the safety of installation, lead-out wire is fixed on card It in slot, is fixed with short screw, keeps wiring stronger, the present invention can be straight in Phoenix while not turning off operating loop Stream terminal block itself extends a firm terminal block, keeps extraction supply voltage more stable.
Phoenix DC terminal row's groove itself has a thread, that is, the position tightened up a screw is for upper in itself In flakes, it according to this thread combination reality of work, designs and goes out fixed scalability DC terminal row from groove.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is use state diagram of the invention.
Wherein, 1 long cable section of ingoing line mouth, 2-1 insulation crust, 2-2 nut insulation protection cylinder, 2-3 screw rod insulating protective sleeve, 3 are led Electric piece, 4-1 long screw, the short screw of 4-2,5 direct current Phoenix terminal blocks, 6 fixed slots.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, 1- attached drawing 2 and specific implementation with reference to the accompanying drawing Example carries out clear, complete description to invention.
As shown in Fig. 1-Fig. 2, the present embodiment is related to a kind of extended pattern direct current connecting terminal block, including insulation crust 2-1, Long cable section of ingoing line mouth 1 on insulation crust 2-1 is set, through the long screw 4-1 of insulation crust 2-1 and insertion and not through exhausted The short screw 4-2 of edge shell 2-1;
One end of the long screw 4-1 and conductive sheet 3 is conductively connected, the precession direction of the short screw 4-2 and the conductive sheet 3 The other end it is corresponding, the other end of the conductive sheet 3 is in the case where the precession of short screw 4-2 pushes and in the long cable section of ingoing line mouth 1 Cable tight fit waiting and conductive connection;
The long screw 4-1 is pierced by the screw rod of insulation crust 2-1 except end is externally provided with screw rod insulating protective sleeve 2-3, the length Nut insulation protection cylinder 2-2 is cased on the nut of screw 4-1 and short screw 4-2, protection staff avoids danger of hazardous electrical discharges.
Further, the insulation crust 2-1 is equipped with for matching tightly with the long screw 4-1, short screw 4-2 respectively Solid screw thread, facilitate adjusting screw precession depth, install stronger, use is more flexible, and the scope of application is wider.
Further, the insulation crust 2-1, nut insulation protection cylinder 2-2 and screw rod insulating protective sleeve 2-3 one at Type, insulating properties is more preferable, is not easy to leak electricity.
As shown in Fig. 2, the long cable section of ingoing line mouth 1 is Phoenix formula connection jaws, it is convenient for and former direct current Phoenix terminal Row 5 is with the use of more convenient.The common DC terminal row of substation all arranges 5 using for Phoenix DC terminal, generally Wiring is to introduce wiring from left end, draws wiring from right end.
The course of work of the present embodiment is as follows: when installation, the cable newly accessed is first fixed on the long cable section of ingoing line mouth 1, And conductive sheet 3 is pressed on the cable waiting in long cable section of ingoing line mouth 1 with short screw 4-2 precession, complete long screw 4-1, conduction It is conductively connected between cable waiting in piece 3, short screw 4-2 and long cable section of ingoing line mouth 1, then utilizes fixed slot 6, insertion need to open up In the former direct current Phoenix terminal block 5 of exhibition, and fixed using long screw 4-1.
The insulation crust 2-1, nut insulation protection cylinder 2-2 and screw rod insulating protective sleeve 2-3 are ambroin, internal For conductive sheet 3 using aluminium or other conductive and fixed materials, terminal row's height is 3200mm, screw diameter 300mm;It is fixed to insert Slot 6 is the square slot of 500*500mm.Terminal row can reliably connect on the basis of not turning off original DC power supply It connects at former 5 top of direct current Phoenix terminal block, fundamentally solves the above problem.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features;And These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution It encloses.

Claims (4)

1. a kind of extended pattern direct current connecting terminal block, it is characterised in that: it includes insulation crust (2-1), is arranged in insulation crust Long cable section of ingoing line mouth (1) on (2-1), the long screw (4-1) through insulation crust (2-1) and insertion and do not run through insulation crust The short screw (4-2) of (2-1);
One end of the long screw (4-1) and conductive sheet (3) is conductively connected, the precession direction of the short screw (4-2) and described The other end of conductive sheet (3) is corresponding, and the other end of the conductive sheet (3) is in the case where the precession of short screw (4-2) pushes and described Cable tight fit waiting and conductive connection in long cable section of ingoing line mouth (1);
The long screw (4-1) is pierced by the screw rod of insulation crust (2-1) except end is externally provided with screw rod insulating protective sleeve (2-3), Nut insulation protection cylinder (2-2) is cased on the nut of the long screw (4-1) and short screw (4-2).
2. a kind of extended pattern direct current connecting terminal block according to claim 1, it is characterised in that: the insulation crust (2- 1) it is equipped with the screw thread for matching fastening with the long screw (4-1), short screw (4-2) respectively.
3. a kind of extended pattern direct current connecting terminal block according to claim 1, it is characterised in that: the insulation crust (2- 1), nut insulation protection cylinder (2-2) and screw rod insulating protective sleeve (2-3) are integrally formed.
4. a kind of extended pattern direct current connecting terminal block according to claim 1, it is characterised in that: the long cable section of ingoing line mouth It (1) is Phoenix formula connection jaws.
CN201811170382.7A 2018-10-09 2018-10-09 A kind of extended pattern direct current connecting terminal block Pending CN109546376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811170382.7A CN109546376A (en) 2018-10-09 2018-10-09 A kind of extended pattern direct current connecting terminal block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811170382.7A CN109546376A (en) 2018-10-09 2018-10-09 A kind of extended pattern direct current connecting terminal block

Publications (1)

Publication Number Publication Date
CN109546376A true CN109546376A (en) 2019-03-29

Family

ID=65843508

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811170382.7A Pending CN109546376A (en) 2018-10-09 2018-10-09 A kind of extended pattern direct current connecting terminal block

Country Status (1)

Country Link
CN (1) CN109546376A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114024234A (en) * 2021-11-04 2022-02-08 广西电网有限责任公司来宾供电局 Direct current area load shifts fixer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201134516Y (en) * 2007-12-29 2008-10-15 丁高松 Wiring terminal station
CN202013971U (en) * 2011-04-08 2011-10-19 凡甲电子(苏州)有限公司 Cable connector
CN202495330U (en) * 2012-02-02 2012-10-17 厦门大一互科技有限公司 Reliable grounding structure of secondary winding of voltage transformer
CN102820558A (en) * 2012-08-10 2012-12-12 上海合璧电子元件有限公司 Improvement structure for wiring base
US20140329420A1 (en) * 2013-05-03 2014-11-06 Thomas & Betts International, Llc Grounding and bonding bracket

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201134516Y (en) * 2007-12-29 2008-10-15 丁高松 Wiring terminal station
CN202013971U (en) * 2011-04-08 2011-10-19 凡甲电子(苏州)有限公司 Cable connector
CN202495330U (en) * 2012-02-02 2012-10-17 厦门大一互科技有限公司 Reliable grounding structure of secondary winding of voltage transformer
CN102820558A (en) * 2012-08-10 2012-12-12 上海合璧电子元件有限公司 Improvement structure for wiring base
US20140329420A1 (en) * 2013-05-03 2014-11-06 Thomas & Betts International, Llc Grounding and bonding bracket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114024234A (en) * 2021-11-04 2022-02-08 广西电网有限责任公司来宾供电局 Direct current area load shifts fixer

Similar Documents

Publication Publication Date Title
CN202340114U (en) Plug type prefabricated cable terminal
CN205139205U (en) Change instrument of electric energy meter
CN103427175A (en) Quick mounting connector
CN109546376A (en) A kind of extended pattern direct current connecting terminal block
CN202340094U (en) Pluggable prefabricated cable terminal grounding device
CN110797795A (en) Operation method for breaking or connecting 10kV insulated wire line branch line drainage wire by insulating short rod
CN203895633U (en) Short circuit grounding wire suitable for box transformer substation and electricity distribution room
CN106911021B (en) A kind of installation method of power lug
CN203455380U (en) A mutual-inductor-accessed electric energy meter connector assembly
CN208835841U (en) A kind of mobile substation stacked switch address self-reacting device
CN210806071U (en) Grounding head convenient to quickly disassemble and assemble and reliable in connection
CN211743552U (en) American case becomes inlet wire cable earthing device
CN208461209U (en) Secondary screen top auxiliary bus-bar joint
CN203056338U (en) Secondary short circuit seal line device for voltage transformer at transformer station
CN207884035U (en) A kind of high-tension cable connect-disconnect plug is without partial discharge adapter
CN207052888U (en) A kind of electric cabinet insulation connecting installation structure
CN110752549A (en) Operation method for breaking or connecting 10kV strain rod drainage wire of insulating short rod
CN206742626U (en) Branch wire attachment structure
CN205070259U (en) Device for connecting it connects special use to be used for cubical switchboard to salvage
CN201289501Y (en) Wire holder of electric energy meter
CN204992057U (en) Novel safe socket of impulse type
CN206225792U (en) A kind of power supply row cabinet
CN204760829U (en) Current transformer secondary line encapsulation instrument in transformer substation
CN206041016U (en) Practical earth connection in indoor GIS terminal
CN208368951U (en) A kind of switchgear Rapid grounding device

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: 20190329

RJ01 Rejection of invention patent application after publication