CN104184008A - Short-circuit terminal and short-circuit terminal block - Google Patents
Short-circuit terminal and short-circuit terminal block Download PDFInfo
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- CN104184008A CN104184008A CN201410454227.3A CN201410454227A CN104184008A CN 104184008 A CN104184008 A CN 104184008A CN 201410454227 A CN201410454227 A CN 201410454227A CN 104184008 A CN104184008 A CN 104184008A
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- short
- stub
- conductive part
- circuited
- connection block
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Abstract
The invention discloses a short-circuit terminal and a short-circuit terminal block. The short-circuit terminal comprises a connecting seat and a conductor bar. The connecting seat is internally provided with a metal conduction inner core, and a through hole used for the conductor bar to fixedly penetrate through and penetrating through the conduction inner core is formed in the connecting seat. The first side wall of the connecting seat is provided with a connecting groove which is provided with a first conduction part electrically connected with the conduction inner core, and the second side wall, opposite to the first side wall, of the connecting seat is provided with a connector matched with the connecting groove in structure. The connector is provided with a second conduction part electrically connected with the conduction inner core. One end of the conductor bar is provided with an insulating handle, and the other end of the conduction bar penetrates through the through hole and extends out of the through hole. The invention further discloses the short-circuit terminal block which comprises a plurality of short-circuit terminals, every two adjacent short-circuit terminals are electrically connected through the matched inserting and connecting of the connecting grooves and the connectors. The short-circuit terminal can be detached and is convenient to install, the length of the short-circuit terminal block can be adjusted so as to be suitable for different lengths of terminal blocks on which the short circuit is needed.
Description
Technical field
The present invention relates to a kind of electrical fitting, particularly a kind of short-circuited terminal and the short-circuited terminal row with this kind of short-circuited terminal.
Background technology
At the most of protective relaying device under "on" position (as line protective devices, protection equipment for busbar, protection equipment for transformer etc.), overhaul debugging or when engineered, for prevent electric current secondary side open circuit need to be by secondary current the terminal board one side short-circuited terminal short circuit at device.Present stage we the short circuit method that adopts have two kinds, a kind of is to adopt foil type short-circuited terminal, another kind is the cylindricality short-circuited terminal adopting with the corresponding grafting of each jack of the terminal board installing.But adopting these two kinds of short-circuited terminals to carry out secondary current short circuit can produce drawback or make troubles.For example, the first short-circuited terminal need to be screwed on terminal board, and on terminal board, the junction of corresponding sheet type short-circuited terminal is narrower conventionally, easily causes the distortion of sheet type short-circuited terminal when tighten the screws, causes sealing the situations such as not firm.Second method is because cylindricality short-circuited terminal is to be all yi word pattern by a plurality of stubs by a connection piece to be formed by fixedly connecting; indivisible; namely short-circuited terminal number is immutable; therefore this cylindricality short-circuited terminal is comparatively applicable while needing the continuous a plurality of terminal of short circuit on terminal board; but often can run into terminal board in working site, need in the middle of a plurality of terminals of short circuit, be existed and not need the dead end of short circuit current, this kind of plug-in short-circuited terminal is just inapplicable in this case.
Summary of the invention
Problem to be solved by this invention is, a kind of installation is provided short-circuited terminal fast and easily, and a kind of short-circuited terminal row, wherein between each short-circuited terminal in this short-circuited terminal row and each short-circuited terminal and Connection Block, be detachable connection, there is adjustable, composability.
In order to address the above problem, the invention provides a kind of short-circuited terminal, comprise Connection Block and stub, described Connection Block is made by insulating material, its inside has metal conductive core, described Connection Block be provided with run through described conductive core for fixedly wearing the perforation of described stub, described perforation is at least metal inner surface with the inwall of described conductive core corresponding position, the first side wall that described Connection Block is parallel to described perforation axis is provided with link slot, described link slot is provided with the first conductive part being electrically connected to described conductive core, second sidewall relative with described the first side wall is provided with the connector coordinating with described connecting groove structure, described connector is provided with the second conductive part being electrically connected to described conductive core, described the first conductive part and the second conductive part are symmetrical arranged about described perforation axis, one end of described stub has insulated handle, and the described stub other end passes described perforation and stretches out outside described perforation.
As preferably, described perforation is screwed hole, and the part of at least corresponding described perforation of described stub is provided with the external screw thread for being threaded with described screwed hole.
As preferably, described the first conductive part and the second conductive part all at least comprise two parallel and be oppositely arranged spring clips, the described link slot diapire parallel with described perforation axis is provided with jack, two spring clip one end of described the first conductive part respectively two places corresponding with the inner wall position of described jack are fixedly connected with, the other end is electrically connected to described conductive core respectively, two spring clip correspondences of described the second conductive part are located on the outer wall of described the second sidewall of deviating from of described connector, and are electrically connected to described conductive core respectively.
As preferably, described conductive core is cube structure, two spring clips of described the first conductive part are electrically connected to described conductive core by a sheet metal respectively, two spring clips of described the second conductive part are electrically connected to described conductive core by a sheet metal respectively, described link slot is rectangular recess, and described connector is can coordinate the structure of grafting with described rectangular recess.
As preferably, described stub cross section is circular, described insulated handle is yi word pattern, described insulated handle length direction is parallel to the end face of the other end of described stub, and described stub is all stretched out at its two ends, on described stub, be also arranged with after it is connected with described Connection Block and clip the insulating washer between described insulated handle and Connection Block.
A kind of short-circuited terminal row, comprises a plurality of above-mentioned short-circuited terminals, and two adjacent short-circuited terminals are pegged graft to realize by the cooperation of described link slot and described connector and are electrically connected to.
As preferably, also comprise two end short-circuited terminals that lay respectively at described short-circuited terminal row two ends, described end short-circuited terminal includes described Connection Block and stub, wherein described in one, the Connection Block of end short-circuited terminal only has the first conductive part, and described in another, end short-circuited terminal only has the second conductive part.
Short-circuited terminal of the present invention and short-circuited terminal row's beneficial effect is, in short-circuited terminal row, between the Connection Block of adjacent two short-circuited terminals, be detachable connection, therefore this short-circuited terminal row's length is adjustable, can adapt to the live terminal that needs short circuit on various bus bars, the end short-circuited terminal of wherein this short-circuited terminal row two ends being located an only side arranges link slot or connector, and the state that its opposite side is insulation and obturation, in order to avoid electric leakage.In addition due between Connection Block and stub for being threaded, therefore convenient disassembly occurs the dead end period of the day from 11 p.m. to 1 a.m when between a plurality of continuously arranged terminal that runs into bus bar and need short circuit, only the stub of corresponding short-circuited terminal need be disassembled, convenient and time-saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of short-circuited terminal of the present invention.
Fig. 2 is the structural representation of the stub of short-circuited terminal of the present invention.
Fig. 3 is the structural representation of the Connection Block of short-circuited terminal of the present invention.
Fig. 4 is short-circuited terminal row's of the present invention structural representation.
Fig. 5 is the structural representation of one of them the end short-circuited terminal in short-circuited terminal row of the present invention.
Fig. 6 is the structural representation of another end short-circuited terminal in short-circuited terminal row of the present invention.
Reference numeral:
1-Connection Block; 2-stub; 3-conductive core; 4-perforation; 5-link slot; 6-the first conductive part; 7-connector; 8-the second conductive part; 9-insulated handle; 10-diapire; 11-outer wall; 12-spring clip; 13-sheet metal; 14-insulating washer.
Embodiment
Below in conjunction with accompanying drawing, describe the present invention.
As shown in Figure 1, the invention provides a kind of short-circuited terminal, comprise Connection Block 1 and stub 2, Connection Block 1 is made by insulating material, its inside has metal conductive core 3, Connection Block 1 be provided with run through conductive core 3 for fixedly wearing the perforation 4 of stub 2, this perforation 4 is at least metal inner surface with the inwall of conductive core 3 corresponding positions, the first side wall that Connection Block 1 is parallel to 4 axis of boring a hole is provided with link slot 5, link slot 5 is provided with the first conductive part 6 being electrically connected to conductive core 3, the second sidewall that Connection Block 1 is relative with this first side wall is provided with the connector 7 with link slot 5 respective outer side edges, connector 7 is provided with the second conductive part 8 being electrically connected to conductive core 3, the first conductive part 6 and the second conductive part 8 are symmetrical about 4 the axial location of boring a hole, stub 2 one end have insulated handle 9, and stub 2 other ends pass in perforation 4 and stretch out outside perforation 4.
As shown in Figure 2, this perforation 4 is screwed hole, and the part of at least corresponding perforation 4 of stub 2 is provided with the external screw thread for being threaded with screwed hole.Further, as shown in Figure 3, the cube that the Connection Block 1 in the present embodiment is rectangle for cross section, the cubic that conductive core 3 is also rectangle for cross section, certainly, also can be other shape.The first conductive part 6 and the second conductive part 8 all at least comprise two parallel and be oppositely arranged spring clips 12, on the diapire 10 parallel with perforation 4 axis of link slot 5, be provided with jack, one end of two spring clips 12 of the first conductive part 6 respectively two places corresponding with position on the inwall of jack is fixedly connected with, and the other end is electrically connected to conductive core 3 respectively; Two spring clip 12 correspondences of the second conductive part 8 are located on the outer wall 11 that deviates from the second sidewall in connector 7, and are electrically connected to conductive core 3 respectively.Certainly, the first conductive part 6 also can correspondence arrange multi-disc spring clip 12, makes spring clip 12, around jack inwall, one circle is set, and in like manner, the spring clip 12 of the second conductive part 8 also can arrange a circle.
Continuation is in conjunction with Fig. 3, two spring clips 12 of the first conductive part 6 in the present embodiment are electrically connected to conductive core 3 by a sheet metal 13 respectively, two spring clips 12 of the second conductive part 8 are electrically connected to conductive core 3 by a sheet metal 13 equally respectively, in addition, link slot 5 in the present embodiment is rectangular recess, connector 7 is can coordinate the structure of grafting with this rectangular recess, and the shape of link slot 5 is not unique certainly, can be the groove that cross section is other shape yet.
Continuation is in conjunction with Fig. 2, stub 2 cross sections are circular, be a short pole, insulated handle 9 is yi word pattern, its length direction is parallel to the end face of stub 2 other ends, and its two ends all stretch out stub 2, is arranged with and after it is connected with Connection Block 1, clips the insulating washer 14 between insulated handle 9 and Connection Block 1 on stub 2, so that it is safer with being connected of Connection Block 1, prevent the situation of electric leakage.
As shown in Figure 4, the present invention discloses a kind of short-circuited terminal row simultaneously, comprises a plurality of above-mentioned short-circuited terminals.Preferably, this short-circuited terminal row also comprises the end short-circuited terminal that lays respectively at its both ends, and this end short-circuited terminal includes above-mentioned Connection Block and stub, and different is, on the Connection Block of one of them end short-circuited terminal, only there is the first conductive part, and do not there is the second conductive part; On the Connection Block of another end short-circuited terminal, only there is the second conductive part, do not there is the first conductive part, the link slot 5 that is to say on the Connection Block 1 of this end short-circuited terminal or be provided with for the short-circuited terminal with adjacent coordinates the connector 7 of pegging graft, or be provided with for the connector 7 with adjacent short-circuited terminal and coordinate the link slot 5 of pegging graft, for the short-circuited terminal with adjacent, coordinate grafting, specifically as shown in Figure 5 and Figure 6.When adjacent two short-circuited terminals coordinate grafting, first connector 7 is stretched in link slot 5, and two spring clips 12 that make connector 7 stretch in the jack of link slot 5 and in 12 of two spring clips that are located on this jack inwall and be fixedly clamped (realize and being electrically connected to), now connector 7 is firmly plugged in together under the effect of each spring clip provided thereon 12 with link slot 5.The short-circuited terminal row who connects is located in a plurality of live terminal continuous on bus bar by stub 2 correspondences, this live terminal reaches conductive core 3 by the stub 2 inserting by electric current, then by sheet metal 13, spring clip 12, reach on the stub 2 of another short-circuited terminal being connected with this short-circuited terminal, and then realize adjacent two live terminal short circuits on bus bar.
If there is dead end in the plurality of continuous live terminal, only the stub 2 of the short-circuited terminal corresponding with this dead end need be screwed out to Connection Block 1 by insulated handle 9, in addition, due to this short-circuited terminal, row is pegged graft and is formed by a plurality of short-circuited terminals, therefore length can regulate according to actual needs.
Above embodiment is only exemplary embodiment of the present invention, is not used in restriction the present invention, and protection scope of the present invention is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the present invention in essence of the present invention and protection range, this modification or be equal to replacement and also should be considered as dropping in protection scope of the present invention.
Claims (7)
1. a short-circuited terminal, it is characterized in that, comprise Connection Block and stub, described Connection Block is made by insulating material, its inside has metal conductive core, described Connection Block be provided with run through described conductive core for fixedly wearing the perforation of described stub, described perforation is at least metal inner surface with the inwall of described conductive core corresponding position, the first side wall that described Connection Block is parallel to described perforation axis is provided with link slot, described link slot is provided with the first conductive part being electrically connected to described conductive core, second sidewall relative with described the first side wall is provided with the connector coordinating with described connecting groove structure, described connector is provided with the second conductive part being electrically connected to described conductive core, described the first conductive part and the second conductive part are symmetrical arranged about described perforation axis, one end of described stub has insulated handle, and the described stub other end passes described perforation and stretches out outside described perforation.
2. short-circuited terminal according to claim 1, is characterized in that, described perforation is screwed hole, and the part of at least corresponding described perforation of described stub is provided with the external screw thread for being threaded with described screwed hole.
3. short-circuited terminal according to claim 1, it is characterized in that, described the first conductive part and the second conductive part all at least comprise two parallel and be oppositely arranged spring clips, the described link slot diapire parallel with described perforation axis is provided with jack, two spring clip one end of described the first conductive part respectively two places corresponding with the inner wall position of described jack are fixedly connected with, the other end is electrically connected to described conductive core respectively, two spring clip correspondences of described the second conductive part are located on the outer wall of described the second sidewall of deviating from of described connector, and be electrically connected to described conductive core respectively.
4. short-circuited terminal according to claim 3, it is characterized in that, described conductive core is cube structure, two spring clips of described the first conductive part are electrically connected to described conductive core by a sheet metal respectively, two spring clips of described the second conductive part are electrically connected to described conductive core by a sheet metal respectively, described link slot is rectangular recess, and described connector is can coordinate the structure of grafting with described rectangular recess.
5. short-circuited terminal according to claim 1, it is characterized in that, described stub cross section is circular, described insulated handle is yi word pattern, described insulated handle length direction is parallel to the end face of the other end of described stub, and described stub is all stretched out at its two ends, on described stub, be also arranged with after it is connected with described Connection Block and clip the insulating washer between described insulated handle and Connection Block.
6. short-circuited terminal row, is characterized in that, comprises the short-circuited terminal described in a plurality of claim 1-5, and two adjacent short-circuited terminals are pegged graft and realized electrical connection by the cooperation of described link slot and described connector.
7. a kind of terminal board according to claim 6, it is characterized in that, also comprise two end short-circuited terminals that lay respectively at described short-circuited terminal row two ends, described end short-circuited terminal includes described Connection Block and stub, wherein described in one, the Connection Block of end short-circuited terminal only has the first conductive part, and described in another, end short-circuited terminal only has the second conductive part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454227.3A CN104184008B (en) | 2014-09-05 | 2014-09-05 | Short-circuited terminal and short-circuited terminal row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454227.3A CN104184008B (en) | 2014-09-05 | 2014-09-05 | Short-circuited terminal and short-circuited terminal row |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104184008A true CN104184008A (en) | 2014-12-03 |
| CN104184008B CN104184008B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410454227.3A Active CN104184008B (en) | 2014-09-05 | 2014-09-05 | Short-circuited terminal and short-circuited terminal row |
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| Country | Link |
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| CN (1) | CN104184008B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046214A (en) * | 2017-03-03 | 2017-08-15 | 国网山西省电力公司检修分公司 | A kind of combined normalized current terminal short-circuit tool of complete modularization |
| CN108037479A (en) * | 2017-12-21 | 2018-05-15 | 国网山东省电力公司济南供电公司 | A kind of novel intelligent test connecting box |
| CN110829081A (en) * | 2018-08-14 | 2020-02-21 | 曾裕永 | Electrical connection device |
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| JP2005183266A (en) * | 2003-12-22 | 2005-07-07 | Yazaki Corp | Terminal circuit unit for on-vehicle multiplex communication |
| CN202454880U (en) * | 2012-02-13 | 2012-09-26 | 山东电力集团公司烟台供电公司 | Current shorting stub with lockable plug |
| CN203232062U (en) * | 2013-05-02 | 2013-10-09 | 国家电网公司 | Low voltage side short-circuit device for transformer load test |
| CN103529251A (en) * | 2013-09-26 | 2014-01-22 | 国家电网公司 | Combined secondary terminal short circuit wiring bar |
| CN203589325U (en) * | 2013-11-11 | 2014-05-07 | 林述清 | Combined general extension socket |
| CN204103199U (en) * | 2014-09-05 | 2015-01-14 | 国家电网公司 | Short-circuited terminal and short-circuited terminal row |
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2014
- 2014-09-05 CN CN201410454227.3A patent/CN104184008B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005183266A (en) * | 2003-12-22 | 2005-07-07 | Yazaki Corp | Terminal circuit unit for on-vehicle multiplex communication |
| CN202454880U (en) * | 2012-02-13 | 2012-09-26 | 山东电力集团公司烟台供电公司 | Current shorting stub with lockable plug |
| CN203232062U (en) * | 2013-05-02 | 2013-10-09 | 国家电网公司 | Low voltage side short-circuit device for transformer load test |
| CN103529251A (en) * | 2013-09-26 | 2014-01-22 | 国家电网公司 | Combined secondary terminal short circuit wiring bar |
| CN203589325U (en) * | 2013-11-11 | 2014-05-07 | 林述清 | Combined general extension socket |
| CN204103199U (en) * | 2014-09-05 | 2015-01-14 | 国家电网公司 | Short-circuited terminal and short-circuited terminal row |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046214A (en) * | 2017-03-03 | 2017-08-15 | 国网山西省电力公司检修分公司 | A kind of combined normalized current terminal short-circuit tool of complete modularization |
| CN107046214B (en) * | 2017-03-03 | 2023-08-08 | 国网山西省电力公司检修分公司 | Complete modular combined standard current terminal short-circuit tool |
| CN108037479A (en) * | 2017-12-21 | 2018-05-15 | 国网山东省电力公司济南供电公司 | A kind of novel intelligent test connecting box |
| CN108037479B (en) * | 2017-12-21 | 2023-11-21 | 国网山东省电力公司济南供电公司 | Novel intelligent test junction box |
| CN110829081A (en) * | 2018-08-14 | 2020-02-21 | 曾裕永 | Electrical connection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104184008B (en) | 2016-08-31 |
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Effective date of registration: 20160708 Address after: 066000 Haiyang Road, Qinhuangdao Harbour District, Hebei, No. 50 Applicant after: Qinhuangdao Power Supply Company of State Grid Jibei Electric Power Company Limited Applicant after: State Grid Corporation of China Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Applicant before: State Grid Corporation of China Applicant before: Qinhuangdao Power Supply Company of State Grid Jibei Electric Power Company Limited |
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