CN112787124B - Electric connection mechanism - Google Patents
Electric connection mechanism Download PDFInfo
- Publication number
- CN112787124B CN112787124B CN201911091970.6A CN201911091970A CN112787124B CN 112787124 B CN112787124 B CN 112787124B CN 201911091970 A CN201911091970 A CN 201911091970A CN 112787124 B CN112787124 B CN 112787124B
- Authority
- CN
- China
- Prior art keywords
- conductive
- conductive piece
- conductive member
- electrical connection
- piece
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Landscapes
- Breakers (AREA)
Abstract
The invention discloses an electric connection mechanism, wherein one end of the electric connection mechanism is provided with a first conductive piece for clamping by a clamping head, the other end of the electric connection mechanism is provided with a second conductive piece capable of being connected with a bus or a cable, and a flexible conductor (230) is arranged between the first conductive piece (210) and the second conductive piece (220). The invention obtains larger conductor surface area than the conventional scheme under the same appearance of the conductive piece, and the contact is firmer by using the flexible piece. The whole scheme can play a role in heat dissipation of the surface of the conductor, and achieves the purposes of reducing contact resistance, reducing product heating, reducing temperature rise and improving the current carrying capacity of the circuit breaker in general.
Description
Technical Field
The application belongs to the technical field of power distribution cabinets, and particularly relates to an electric connection mechanism.
Background
The electric conductor of the circuit breaker is connected with the external electric conduction piece through the bolt, so that the circuit breaker is electrically connected with other electric appliance components in the distribution box, electric energy is conducted and conveyed, the electric conductor of the circuit breaker and the external electric conduction piece in the prior art are generally contacted by two T-shaped plug faces and are fixed through the bolt, and the contact resistance of the connecting contact face has great influence on electric conduction capacity. When the electric power is applied, heat is generated due to contact resistance, so that the temperature is increased, the heat is used for making the contact surface to be oxidized more seriously, and the heat is chemically reacted with some acidic substances in the surrounding environment to generate an oxide layer film, so that the contact resistance is increased, and the contact resistance can be increased by hundreds of thousands of times. The oxidation speed is related to the surface temperature, when the heating temperature exceeds a certain critical temperature, the process is accelerated, the contact resistance is increased rapidly, the vicious circle is aggravated, and finally the connection state is damaged.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides an electrical connection mechanism, which aims to obtain a larger conductor surface area than the conventional scheme under the same shape of the conductive member, and the use of the flexible member can make contact more firm. The whole scheme can play a role in heat dissipation of the surface of the conductor, and achieves the purposes of reducing contact resistance, reducing product heating, reducing temperature rise and improving the current carrying capacity of the circuit breaker in general.
The specific technical scheme of the invention is as follows:
an electric connection mechanism, one end of the electric connection mechanism is provided with a first conductive piece for clamping by a clamping head, the other end of the electric connection mechanism is provided with a second conductive piece capable of being connected with a bus or a cable, and a flexible conductor is arranged between the first conductive piece and the second conductive piece.
Preferably, the second conductive member is provided with at least one connection hole, and the connection hole is connected with at least one fixing member.
Preferably, the first conductive member and/or the second conductive member are translatable in an insertion or extraction direction of the circuit breaker, and are rotatable about axes B-B perpendicular to both the installation surface and the insertion or extraction direction of the circuit breaker, respectively.
Preferably, one end of the first conductive member is provided with a protruding conductive part, and an angle range between an axis C-C tangent to the most protruding point of the conductive part on the first conductive member and the axis B-B is 0-45 degrees.
Preferably, an angle between an end face on the second conductive member and the axis B-B is in a range of 0 to 45 degrees.
Preferably, a spacer is further disposed between the first conductive member and the second conductive member.
Preferably, the flexible terminal further includes a fixing member connected to the second conductive member by a fastener.
Preferably, the electric connection mechanism further comprises a plug-in chuck, one end of the plug-in chuck is provided with a first opening matched with the conductive part of the first conductive piece, and the other end of the plug-in chuck is provided with a second opening matched with the plug-in electric terminal.
Preferably, the cross-sectional shape of the conductive part may be, but is not limited to, circular or rectangular.
Preferably, the flexible conductor includes, but is not limited to, any of a conductive cord, sheet or braid.
Preferably, the connection manner between the two ends of the flexible conductor and the first conductive member and the second conductive member may be, but not limited to, any one of welding, riveting, bolting, and the like.
By the technical scheme, the beneficial effect of this application lies in:
1. the conductive component effectively increases the surface area when the sectional area of the conductor is the same through the soft braided wire of the structure;
2. when the conductive component is connected with an external conductor, the conductive component can improve the contact area of connection by utilizing the deformation of the flexible part of the conductive component;
3. when the conductive component is connected with an external conductor, the deformation of the flexible part of the conductive component is utilized, so that the fixed stress between the conductive component and an external conductive member is effectively reduced, and the reliability is improved;
4. the conductive component of the invention is convenient for heat conduction and dissipation of the circuit breaker by increasing the effective contact area.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding the understanding of the present application, and are not particularly limited. Those skilled in the art who have the benefit of the teachings of this application may select various possible shapes and scale dimensions to practice this application as the case may be. In the drawings:
fig. 1 is a schematic view of the overall structure of the electrical connection mechanism of the present invention.
Fig. 2 is a cross-sectional view of the electrical connection mechanism of the present invention.
Fig. 3 is an exploded schematic view of the flexible terminal of the electrical connection mechanism of the present invention.
Fig. 4 is another angular schematic view of the electrical connection mechanism of the present invention.
Fig. 5 is a schematic diagram of an application of the electrical connection mechanism of the present invention.
Description of the embodiments
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The term "vertical" and similar expressions are used herein for the purpose of illustration only and do not represent the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 5, the present embodiment provides an electrical connection mechanism for a plug-in circuit breaker, the electrical connection mechanism includes at least one flexible terminal 200, the flexible terminal 200 includes a first conductive member 210 and a second conductive member 220, one end of the first conductive member 210 is clamped by a clamping head, one end of the second conductive member can be connected with a bus or a cable, the first conductive member 210 and the second conductive member 220 can move along an insertion direction of the circuit breaker, and the insertion direction of the circuit breaker is parallel to a mounting surface 100 of the circuit breaker. The first conductive member 210 and the second conductive member 220 are connected by a flexible conductor 230, two ends of the flexible conductor 230 are respectively and fixedly connected with the first conductive member 210 and the second conductive member 220, the fixedly connected modes include welding, riveting, bolting, and the like, and in this embodiment, two ends of the flexible conductor 230 are respectively and fixedly connected with the first conductive member 210 and the second conductive member 220 by welding.
As shown in fig. 3, the end of the first conductive member 210 is provided with a protruding conductive portion 211, and the cross-sectional shape of the conductive portion 211 includes, but is not limited to, a circular shape, a rectangular shape, etc., and in this embodiment, the cross-sectional shape of the conductive portion 211 is a circular shape. A first groove 212 is also provided on the first conductive element 210.
The second conductive member 220 is provided with a second groove 221 and a connection hole 223, two ends of the flexible conductor 230 are respectively provided with a boss 231, the boss 231 can be respectively matched with the first groove 212 on the first conductive member 210 and the second groove 221 on the second conductive member 220, then the flexible conductor 230 is fixedly connected with the first conductive member 210 and the second conductive member 220 in a welding mode, one end of the second conductive member 220 is provided with an end face 224, and the end face 224 is perpendicular to the installation face of the circuit breaker and the insertion or extraction direction of the electric connection mechanism. In this embodiment, the first grooves 212 and the second grooves 221 are respectively disposed on two sides of the first conductive member 210 and the second conductive member 220, and correspondingly, the flexible conductors 230 are connected on two sides of the first conductive member 210 and the second conductive member 220, and the flexible conductors 230 may be in the form of flexible wires, thin sheets, or braided wires with conductivity, and in one embodiment, the flexible conductors 230 are formed by fusion welding or crimping a plurality of copper sheets, which also can play a role in flexible connection due to good ductility of the copper sheets.
As shown in fig. 4, since the first conductive member 210 and the second conductive member 220 are connected by using the flexible conductor 230, the first conductive member 210 and the second conductive member 220 can rotate about an axis B-B perpendicular to the insertion or extraction direction of the circuit breaker, that is, perpendicular to the installation surface 100 of the circuit breaker: the axis B-B is any axis perpendicular to both the mounting surface 100 of the circuit breaker and the insertion or extraction direction of the plug-in circuit breaker. Specifically, the rotation of the first conductive element 210 and the second conductive element 220 relative to the axis B-B is independent, and does not affect each other, namely: when the first conductive member 210 rotates about the axis B-B, the second conductive member 220 may or may not simultaneously rotate about the axis B-B, and vice versa. When the first conductive member 210 and/or the second conductive member 220 rotate relative to the axis B-B, an angle between the axis C-C tangent to the most salient point of the conductive portion 211 on the first conductive member 210 and the axis B-B ranges from 0 to 45 degrees, and an angle between the end face 224 on the second conductive member 220 and the axis B-B ranges from 0 to 45 degrees.
With continued reference to fig. 1, 2 and 5, the electrical connection mechanism further includes a plug-in chuck 300, a first opening 301 matched with the conductive portion 211 of the first conductive member 210 is provided at one end of the plug-in chuck 300, the shape of the inner wall of the first opening 301 is matched with the shape of the cross section of the conductive portion 211, a second opening 302 is provided at the other end of the plug-in chuck 300, the second opening 302 is opposite to the first opening 301, and the second opening 302 is matched with a plug-in electrical terminal 400 of an external electrical component, so as to realize electrical connection between the plug-in circuit breaker and the external electrical component. The male collet 300 is conventional and will not be described in detail herein.
As shown in fig. 3, the flexible terminal 200 further includes a spacer 240, the spacer 240 is disposed between the first conductive member 210 and the second conductive member 220, one end of the spacer 240 is locked on the surface 222 of the second conductive member 220 by a screw, the other end of the spacer 240 may contact with or separate from the first conductive member 210, when the external plug-in electrical terminal 400 is inserted into the plug-in chuck 300, the flexible conductor 230 is compressed under the pressure of the plug-in electrical terminal 400, the first conductive member 210 contacts with the spacer 240 under the pressure of the plug-in electrical terminal 400, and the spacer 240 plays a role of supporting the first conductive member 210. In this embodiment, the pads 240 are disposed between the flexible conductors 230.
As shown in fig. 1 and 2, the flexible terminal 200 further includes a fixing member 250, where the fixing member 250 is disposed on two sides of the second conductive member 220 and is connected to the second conductive member 220 by a fastening member 260, a via 251 matched with the fastening member 260 is disposed on the fixing member 250, and one end of the fastening member 260 sequentially passes through the via 251 and the connection hole 223 on the second conductive member 220 to connect the fixing member 250 and the second conductive member 220 together. Preferably, a certain gap is provided between the second conductive member 220 and the fixing member 250, so that the fixing support 250 is used for positioning the second conductive member 220 without completely fixing the movable limit, and the electrical connection mechanism can adapt to various defects of busbar inclination, torsion, backward movement and the like caused by insufficient flatness of the busbar, size deviation of the cabinet body, assembly error and the like, and can reliably perform insertion and extraction actions and ensure stable connection after insertion. The fixing member 250 is coupled to the base 500 of the plug-in circuit breaker by a screw, thereby achieving the fixation of the flexible terminal 200 to the circuit breaker.
The above is only one embodiment of the present invention, and those skilled in the art can make various modifications or variations to the embodiment of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.
Claims (8)
1. An electric connection mechanism, electric connection mechanism's one end is equipped with first conductive piece (210) that supplies chuck centre gripping, and the other end is equipped with the second conductive piece (220) of joinable generating line or cable, its characterized in that, first conductive piece (210) one end is equipped with bellied conductive part (211) first conductive piece (210) with be equipped with flexible conductor (230) between second conductive piece (220), first conductive piece (210) both sides are equipped with first recess (212), second conductive piece (220) both sides are equipped with second recess (221) flexible conductor (230) both ends are equipped with boss (231) respectively, boss (231) of one end with first recess (212) cooperate, boss (231) of the other end with second recess (221) cooperate, be equipped with at least one connecting hole on second conductive piece (220), the connecting hole is connected with at least one mounting (250), second conductive piece (220) with be equipped with certain clearance between mounting (250) first conductive piece (210) and second conductive piece (240).
2. An electrical connection according to claim 1, wherein the first conductive element (210) and/or the second conductive element (220) are translatable in the direction of insertion or extraction of the circuit breaker and rotatable about an axis B-B, respectively, which axis B-B is perpendicular to both the mounting surface and the direction of insertion or extraction of the circuit breaker.
3. An electrical connection as in claim 2 wherein: an angle between an axis C-C, which is tangent to the most salient point of the conductive part (211) on the first conductive part (210), and the axis B-B ranges from 0 degrees to 45 degrees.
4. An electrical connection according to claim 2 or 3, wherein the angle between the end face (224) on the second conductive element (220) and the axis B-B is in the range of 0-45 degrees.
5. An electrical connection according to claim 1 or 2, further comprising a plug-in cartridge (300), wherein a first opening (301) is provided at one end of the plug-in cartridge (300) for mating with the conductive portion (211) of the first conductive member (210), and a second opening (302) is provided at the other end for mating with a plug-in electrical terminal (400).
6. An electrical connection according to claim 4, wherein the cross-sectional shape of the conductive portion (211) is circular or rectangular.
7. An electrical connection as in claim 1 wherein: the flexible conductor (230) includes any one of a flexible wire, a sheet, or a braided wire that is conductive.
8. An electrical connection as in claim 1 wherein: the connection mode of the flexible conductor (230) and the first conductive element (210) and the second conductive element (220) respectively comprises any one of welding, riveting and bolting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091970.6A CN112787124B (en) | 2019-11-11 | 2019-11-11 | Electric connection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091970.6A CN112787124B (en) | 2019-11-11 | 2019-11-11 | Electric connection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112787124A CN112787124A (en) | 2021-05-11 |
| CN112787124B true CN112787124B (en) | 2024-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911091970.6A Active CN112787124B (en) | 2019-11-11 | 2019-11-11 | Electric connection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112787124B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431744A (en) * | 2003-02-11 | 2003-07-23 | 常熟开关厂 | Electrical connection mechanism used in drawable type breaker |
| CN101303946A (en) * | 2007-03-07 | 2008-11-12 | 伊顿公司 | Electrical switching apparatus, and conductor assembly and shunt assembly therefor |
| CN101359560A (en) * | 2007-07-09 | 2009-02-04 | 理想工业公司 | Electrical disconnect with push-in connectors |
| EP2461345A2 (en) * | 2010-12-02 | 2012-06-06 | Eaton Corporation | Configurable electrical switching apparatus including a plurality of separable contacts and a plurality of field-configurable jumpers to provide a number of poles |
| CN203339077U (en) * | 2013-06-25 | 2013-12-11 | 施耐德电器工业公司 | Plug-in terminal distribution product |
| CN203351799U (en) * | 2013-06-06 | 2013-12-18 | 浙江一普线缆有限公司 | Soft circular copper braided wire with novel connection mechanism |
| CN205943916U (en) * | 2016-07-20 | 2017-02-08 | 乐清市优通软连接有限公司 | Flexible coupling of high pressure outdoor vacuum circuit breaker |
| CN206322653U (en) * | 2016-12-05 | 2017-07-11 | 威胜电气有限公司 | The external breaker of electric energy meter |
| CN106971867A (en) * | 2017-05-24 | 2017-07-21 | 首瑞（天津）电气设备有限公司 | Moving contact and breaker |
| CN107123579A (en) * | 2017-06-16 | 2017-09-01 | 天津京人电器有限公司 | The contact system and low-voltage circuit breaker of a kind of low-voltage circuit breaker |
| CN207947240U (en) * | 2017-12-28 | 2018-10-09 | 高锦 | The plug-in type miniature circuit breaker of intensity is electrically connected between lifting switch module and pedestal |
-
2019
- 2019-11-11 CN CN201911091970.6A patent/CN112787124B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431744A (en) * | 2003-02-11 | 2003-07-23 | 常熟开关厂 | Electrical connection mechanism used in drawable type breaker |
| CN101303946A (en) * | 2007-03-07 | 2008-11-12 | 伊顿公司 | Electrical switching apparatus, and conductor assembly and shunt assembly therefor |
| CN101359560A (en) * | 2007-07-09 | 2009-02-04 | 理想工业公司 | Electrical disconnect with push-in connectors |
| EP2461345A2 (en) * | 2010-12-02 | 2012-06-06 | Eaton Corporation | Configurable electrical switching apparatus including a plurality of separable contacts and a plurality of field-configurable jumpers to provide a number of poles |
| CN203351799U (en) * | 2013-06-06 | 2013-12-18 | 浙江一普线缆有限公司 | Soft circular copper braided wire with novel connection mechanism |
| CN203339077U (en) * | 2013-06-25 | 2013-12-11 | 施耐德电器工业公司 | Plug-in terminal distribution product |
| CN205943916U (en) * | 2016-07-20 | 2017-02-08 | 乐清市优通软连接有限公司 | Flexible coupling of high pressure outdoor vacuum circuit breaker |
| CN206322653U (en) * | 2016-12-05 | 2017-07-11 | 威胜电气有限公司 | The external breaker of electric energy meter |
| CN106971867A (en) * | 2017-05-24 | 2017-07-21 | 首瑞（天津）电气设备有限公司 | Moving contact and breaker |
| CN107123579A (en) * | 2017-06-16 | 2017-09-01 | 天津京人电器有限公司 | The contact system and low-voltage circuit breaker of a kind of low-voltage circuit breaker |
| CN207947240U (en) * | 2017-12-28 | 2018-10-09 | 高锦 | The plug-in type miniature circuit breaker of intensity is electrically connected between lifting switch module and pedestal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112787124A (en) | 2021-05-11 |
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Effective date of registration: 20240605 Address after: 301800 No. 17-1 Chaoyang East Road, Koudong Industrial Park, Baodi Economic Development Zone, Baodi District, Tianjin, China Patentee after: SOOAR (TIANJIN) ELECTRICAL EQUIPMENT Co.,Ltd. Country or region after: China Address before: 102600 2nd floor, building 2, 29 Jinyuan Road, economic development zone, Daxing District, Beijing Patentee before: BEIJING JINGREN ELECTRIC APPLIANCE Co.,Ltd. Country or region before: China Patentee before: TIANJIN JINGREN ELECTRICAL Co.,Ltd. |