CN207474856U - A kind of automatic short circuit device and the connector with the device - Google Patents

A kind of automatic short circuit device and the connector with the device Download PDF

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Publication number
CN207474856U
CN207474856U CN201721641640.6U CN201721641640U CN207474856U CN 207474856 U CN207474856 U CN 207474856U CN 201721641640 U CN201721641640 U CN 201721641640U CN 207474856 U CN207474856 U CN 207474856U
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China
Prior art keywords
lock pin
short circuit
automatic short
metalwork
circuit device
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CN201721641640.6U
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Chinese (zh)
Inventor
朱旭凯
俞道法
冯健
崔运海
孟艳卿
郭立华
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Guodian Zhongzhi Electric Power Technology Co Ltd
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Guodian Zhongzhi Electric Power Technology Co Ltd
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Abstract

The utility model discloses a kind of automatic short circuit functional devices, including the first lock pin and second lock pin two parts, first lock pin and second lock pin, by the plug of first lock pin and the second lock pin, realize the switching of automatic short circuit state using penetration structure.The utility model is for being electrically connected, and safe operation is reliable, and automatic short circuit is reliable and stable, and contact area is big, has compared with strong pressure, it is not easy to occur due to current capacity not enough caused by fever damage phenomenon, meet the needs of service without power-off debugging.

Description

A kind of automatic short circuit device and the connector with the device
Technical field
The utility model is related to a kind of electrical connection arrangement, more particularly to a kind of automatic short circuit device and with the dress The connector put.
Background technology
Maintenance, the debugging of electrical equipment are the main contents of daily O&M.With the increasingly raising of user demand, do not stop Electric-examination repaiies, debugs the difficult point for becoming maintenance work.Due to the feature of conventional attachment devices, in maintenance, debugging, need additional Measure, the part will overhaul, debugged is separated from system, and original component is carried out short circuit, realizes the state not having a power failure. For example, when the secondary device that power distribution network current transformer is connected is overhauled, to ensure current transformer normal operation, need Keep the short-circuit condition of Current Transformer Secondary side (open-circuit condition will cause current transformer to burn).Using conventional connection dress In the case of putting, the secondary side in current transformer is needed to carry out short circuit with cable, then unplugs lock pin again and carry out subsequent operation, It is time-consuming and laborious.And automatic short circuit device is used, it can directly plug, but requirement has good Reliability of Microprocessor and load energy Power.
In the prior art, a kind of change for plugging realization spring that there is automatic short circuit device, pass through lock pin is disclosed Shape is come whether changing contact of the spring with binding post, and so as to fulfill the short circuit and open circuit of electric loop, reaching can automatic short circuit Function.But spring and binding post are light press contacts, and there are the possibility of virtual connection;And contact point very little, exist due to current capacity not The risk that fever is enough caused to be damaged.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of automatic short circuit device, meets service without power-off debugging Demand, and it is simple in structure, unfailing performance is good.
The utility model provides a kind of automatic short circuit device, using following technical scheme:
A kind of automatic short circuit device, including the first lock pin and the second lock pin being mutually inserted, first lock pin and described Second lock pin uses penetration structure, by the plug of first lock pin and the second lock pin, realizes cutting for automatic short circuit state It changes.
Preferably, first lock pin is provided with insulating part and the first connecting pole, and second lock pin is provided with metalwork With the second binding post, under first lock pin and the second lock pin plugging state, the insulating part be located at the metalwork with Between second binding post;First lock pin and second lock pin are unpluged under state, and the metalwork abuts described the Two binding posts.
Preferably, under first lock pin and the second lock pin plugging state, the open-top metalwork of insulating part makes institute Metalwork is stated not contact with the second binding post.
Preferably, through-hole is provided on second lock pin, the insulating part can be to pass through the through-hole.
Preferably, the through-hole is arranged between the metalwork and the second binding post of second lock pin.
Preferably, the insulating part uses platy structure.
Preferably, the insulating part is structure as a whole with first lock pin.
Preferably, the insulating part is arranged on the inside of first binding post.
Preferably, the metalwork is detachably connected with second lock pin.
Preferably, the metalwork uses brass material.
Preferably, first lock pin and second lock pin are the complete structures that primary injection is completed.
The invention also discloses a kind of connector, the connector being made of a kind of automatic short circuit device of any of the above.
Automatic short circuit device provided by the utility model, it is simple in structure, reliable and can be suitably used for various current value signals.Both It can ensure the plug repeatedly of lock pin, meet the functional requirement from short circuit, and can ensure filling between spring leaf and binding post Tap is touched, and is prevented since contact area is too small, the mechanism failure caused by resistance heating or lock pin are damaged.
Description of the drawings
By referring to the drawings to the description of the utility model embodiment, the above-mentioned and other mesh of the utility model , feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 is the overall structure diagram of automatic short circuit device provided by the utility model.
Fig. 2 is that the first lock pin of automatic short circuit device provided by the utility model and the structure of the second lock pin plugging state are shown It is intended to.
Fig. 3 (a) is the structure diagram of the first lock pin of automatic short circuit device provided by the utility model, wherein:Fig. 3 (b) It is structure diagram of first lock pin to plug part, Fig. 3 (c) is the structure diagram of the first male plug core outer connection part;
Fig. 4 (a) is the structure diagram of the second lock pin of the utility model;Fig. 4 (b) is structure of second lock pin to plug part Schematic diagram, Fig. 4 (c) are the structure diagrams of the second male plug core outer connection part;
Fig. 5 is the structure diagram of first lock pin of second of embodiment of the utility model;
Fig. 6 is the structure diagram of second lock pin of second of embodiment of the utility model;
In figure:The first lock pins of 1-;The second lock pins of 2-;3- metalworks;The first binding posts of 4-;The second binding posts of 5-;6- through-holes; 7- male plug cores are to plug part;8- male plug core outer connection parts;9- female plug cores are to plug part;10- female plug core outer connection parts;11- Insulating part.
Specific embodiment
The utility model is described below based on embodiment, but the utility model is not restricted to these implementations Example.
The utility model provides a kind of automatic short circuit device, meets the needs of service without power-off debugging, simple in structure, can Good by performance, including the first lock pin 1 and the second lock pin 2 being mutually inserted, first lock pin and the second lock pin use penetration Structure by the plug of first lock pin and the second lock pin, realizes the switching of automatic short circuit state.
As shown in figures 1 to 6, it is preferred that first lock pin 1 can be that male plug core can also be female plug core, corresponding Second lock pin 2 is female plug core or male plug core, and with first lock pin 1 for male plug core, described second inserts the utility model Core 2 for female plug core as specific embodiment, be described as follows:
As shown in Figure 4, it is preferable that be provided with metalwork 3 on the female plug core 2.It is highly preferred that the metalwork 3 uses Resilient metal member (such as spring structure).The metalwork 3 provided by the utility model is simple and reliable for structure, can either ensure public affairs The plug repeatedly of female plug core, meet from short connect function the needs of, and can ensure coming into full contact between metalwork and binding post, It prevents since contact area is too small, mechanism failure or lock pin damage caused by resistance heating.
Preferably, the metalwork 3 can be arranged on 2 side of female plug core, and can be arranged on 1 side of male plug core. It is similar with the structure for being arranged on 2 side of female plug core that the metalwork 3 is arranged on 1 side of male plug core.Here just for described The technical solution that metalwork 3 is arranged on 2 side of female plug core is specifically described:
As shown in Figure 3,4, the first binding post 4 and the second wiring are respectively arranged on the male plug core 1 and the female plug core 2 Column 5, first binding post 4 and second binding post 5 are connect with the first electrical equipment and the second electrical equipment (in figure respectively It is not shown).
Preferably, through-hole is provided on the female plug core 2, to realize inserting for the male plug core 1 and the female plug core 2 It pulls out.Preferably, the through-hole 6 is arranged between the metalwork 3 and second binding post 5.
The male plug core 1 is included to plug part 7 and outer connection part 8, and similarly, 2 part of female plug core also includes pair Plug part 9 and outer connection part 10, the metalwork 3 are arranged on the female plug core outer connection part 10.In 1 He of male plug core In a state that the female plug core 2 plugs together, the metalwork 3 is not connect by open-top with second binding post 5;In the male plug core 1 and in a state that the female plug core 2 unplugs, the metalwork 3 is connect with second binding post 5.
Preferably, there are many kinds of the modes that the metalwork 3 is connect with female plug core outer connection part 10, such as welding, riveting It connects, be bonded, can be fixedly connected or be detachably connected, it can be connected by bolt and nut to be detachably connected, It can also be connected by screw, the utility model is fastened using screw and nut.
As shown in Figure 3, it is preferable that the male plug core is provided with insulating part 11 to plug part 7, it is preferable that the insulating part 11 on the inside of first binding post 4 of the male plug core to plug part 7.
Preferably, the shape of the insulating part 11 can there are many kinds of, as long as can be pushed up to pass through the through-hole 6 of the female plug core The metalwork 3 is opened, the metalwork 3 is made not connect with second binding post 5 and both may be used.Such as cuboid, ellipsoid etc., this In introduce a kind of preferred embodiment:
As shown in figure 4, the insulating part 11 is into platy structure, it is highly preferred that the top of the insulating part 11 is into inclined plane shape, Using this structure, under the male plug core 1 and 2 plugging state of female plug core, the open-top metalwork 3 of insulating part 11 When, what the insulating part 11 was in contact with the metalwork 3 is plane, and a more than line, can increase automatic short circuit dress The reliability put.
As shown in Fig. 2, automatic short circuit device is divided into two kinds of working conditions, when the first is electrical equipment normal operation, institute Male plug core 1 and the female plug core 2 are stated as plugging state, the insulating part 11 on the male plug core 1 passes through the through-hole of the female plug core 6, the open-top metalwork 3 avoids the metalwork 3 from being connect with second binding post 5, at this time the first binding post 4 and Two binding posts 5 connect, and electric loop unicom is normal;When being for second that electrical equipment breaks down, needs maintenance, by the male plug Core 1 and the female plug core 2 unplug, with the relative displacement of the male plug core 1 and the female plug core 2, the gold on the female plug core 2 Belong to part 3 to gradually spread out, be connected with 5 part of the second binding post, the final male plug core 1 divides completely with the female plug core 2 From, the metalwork 3 is deployed into the limit, maximum to the pressure of second binding post 5, this process is short circuit process, at this point, Can to electrical equipment carry out service without power-off, debugging.
Preferably, as shown in Figure 3,4, the male plug core 1 and the female plug core 2 have reserved the position of 7 piece-root grafting terminals respectively, Wherein it is located at the independent patch column in the middle part of main body for being grounded, 6 piece-root grafting terminals in addition connect for normal signal.More than it is real Example is applied only for the scheme with 6 piece-root grafting terminal lock pins, but above example is not intended to limit the utility model, such as logical Situations such as 8/10/12/16/24 core can be extended to by crossing the adjustment of size;Situations such as 2/4 core can also be reduced to simultaneously.It is this The diversified form of binding post can meet the occasion of various needs automatic short circuit functional connectors in electric system.
Second of embodiment of the utility model, different from above example embodiment (using metalwork Bilateral shrapnel), as shown in Figure 5,6, second of embodiment is according to circumstances needed by the way of the shrapnel of metalwork unilateral side.
It is highly preferred that the third embodiment of the utility model, it can be by the metalwork bilateral shrapnel in the utility model Structure and figure in metalwork unilateral side shrapnel structure based on unit module, the lock pin of more Multi-core number is based on above-mentioned two base Plinth unit module is extended, and when the core number of lock pin is more, the structure of multiple rows of metalwork can be used.
Preferably, the complete structure that first lock pin 1 and second lock pin 2 are completed for primary injection, injection used Material has good fire-retardant and insulation performance, is provided simultaneously with good mechanical performance, has ensured the reliable and stable of structure.
Preferably, the metalwork 3 uses brass material, in the case where ensureing certain degree of hardness, has good elasticity, Its electroplate, improves electric conductivity and current capacity.More than utility model discloses that the metalwork 3 is silver-plated using brass Technique, in addition to process above, other alternative techniques (such as craft of gilding etc.) can also be used, as long as technique can make it is described While metalwork 3 has certain degree of hardness, ensure the sufficiently resilient of the metalwork 3, that is, belong to what the utility model was protected Content.
The invention also discloses a kind of connectors, are made of above-described automatic short circuit device.The connector For being electrically connected, easy-to-operate, automatic short circuit is reliable and stable, and contact area is big, has compared with strong pressure, it is not easy to occur Due to current capacity not enough caused by fever damage phenomenon, meet service without power-off debugging the needs of.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field For technical staff, the utility model can have various modifications and changes.All institutes within the spirit and principle of the utility model Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of protection of this utility model.

Claims (11)

1. a kind of automatic short circuit device, it is characterised in that:The automatic short circuit device includes the first lock pin for being mutually inserted and the Two lock pins, first lock pin and second lock pin use penetration structure, pass through first lock pin and the second lock pin The switching of automatic short circuit state is realized in plug.
2. automatic short circuit device according to claim 1, it is characterised in that:First lock pin is provided with insulating part and One connecting pole, second lock pin are provided with metalwork and the second binding post, and first lock pin and second lock pin plug together Under state, the insulating part is between the metalwork and second binding post;First lock pin and described second is inserted Core is unpluged under state, and the metalwork abuts second binding post.
3. automatic short circuit device according to claim 2, it is characterised in that:First lock pin and second lock pin are inserted Under conjunction state, the open-top metalwork of insulating part makes the metalwork not contacted with the second binding post.
4. automatic short circuit device according to claim 2, it is characterised in that:Through-hole is provided on second lock pin, institute Stating insulating part can be to pass through the through-hole.
5. automatic short circuit device according to claim 4, it is characterised in that:The through-hole is arranged on second lock pin Between metalwork and the second binding post.
6. automatic short circuit device according to claim 2, it is characterised in that:The insulating part uses platy structure.
7. automatic short circuit device according to claim 2, it is characterised in that:The insulating part is one with first lock pin Body structure.
8. automatic short circuit device according to claim 2, it is characterised in that:The metalwork and second lock pin are removable Unload connection.
9. automatic short circuit device according to claim 2, it is characterised in that:The metalwork uses brass material.
10. automatic short circuit device according to claim 1, it is characterised in that:First lock pin and second lock pin It is the complete structure that primary injection is completed.
11. a kind of connector, it is characterised in that:Including claim 1-10 any one of them automatic short circuit devices.
CN201721641640.6U 2017-11-30 2017-11-30 A kind of automatic short circuit device and the connector with the device Active CN207474856U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721641640.6U CN207474856U (en) 2017-11-30 2017-11-30 A kind of automatic short circuit device and the connector with the device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721641640.6U CN207474856U (en) 2017-11-30 2017-11-30 A kind of automatic short circuit device and the connector with the device

Publications (1)

Publication Number Publication Date
CN207474856U true CN207474856U (en) 2018-06-08

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CN201721641640.6U Active CN207474856U (en) 2017-11-30 2017-11-30 A kind of automatic short circuit device and the connector with the device

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CN (1) CN207474856U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108054601A (en) * 2017-11-30 2018-05-18 国电众智电力技术有限公司 A kind of automatic short circuit device and the connector with the device
CN109066165A (en) * 2018-08-08 2018-12-21 深圳市南硕明泰科技有限公司 A kind of integral connectors of included short connect function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108054601A (en) * 2017-11-30 2018-05-18 国电众智电力技术有限公司 A kind of automatic short circuit device and the connector with the device
CN109066165A (en) * 2018-08-08 2018-12-21 深圳市南硕明泰科技有限公司 A kind of integral connectors of included short connect function
CN109066165B (en) * 2018-08-08 2019-12-27 广州华烽启望电子科技有限公司 From integral type connector of taking short circuit function

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