CN113078487B - Multipath bus bar and forming process thereof - Google Patents
Multipath bus bar and forming process thereof Download PDFInfo
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- CN113078487B CN113078487B CN202110302259.1A CN202110302259A CN113078487B CN 113078487 B CN113078487 B CN 113078487B CN 202110302259 A CN202110302259 A CN 202110302259A CN 113078487 B CN113078487 B CN 113078487B
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- component
- terminal
- protruding part
- bus
- bulge
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual 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
- H01R11/03—Individual 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 characterised by the relationship between the connecting locations
- H01R11/09—Individual 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 characterised by the relationship between the connecting locations the connecting locations being identical
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual 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
- H01R11/01—Individual 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 characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
Abstract
The invention discloses a multipath bus bar and a forming process thereof, which belong to the technical field of bus bars for spaceflight, and are characterized by comprising the following steps: a component a made of an insulating material; the upper surface of the component A is provided with a rectangular groove penetrating through the front surface and the rear surface; a protruding part A is arranged in the rectangular groove; the height of the upper surface of the protruding part A is not greater than that of the upper surface of the component A; a bus terminal made of a conductive material; the width of the bus terminal is not greater than the width of the rectangular groove; the upper surface of the converging terminal is provided with a rectangular or U-shaped welding groove; a bulge part B is arranged in the welding groove; the bulge B is provided with a through hole for inserting the bulge A; the height of the upper surface of the bulge B is not more than that of the upper surface of the bus terminal; a component B made of an insulating material; wherein: the bus terminal is embedded in the rectangular groove, and the protruding part B is sleeved on the protruding part A; the component B is fixed to the upper surface of the component a. The invention has the characteristics of compact structure and convenient welding.
Description
Technical Field
The invention belongs to the technical field of bus bars for spaceflight, and particularly relates to a multipath bus bar and a forming process thereof.
Background
In an electronic stand-alone, cables carrying various voltage and current signals often need to be converged and distributed somewhere to perform various functions, and the current flowing through these wires is often large. With the development of electronic technology, the bus device needs to meet the requirements of high-current switching, small size space and other environments, so that the impedance of a connecting conductor is small, the size is small, and the connection is reliable.
Currently, bus bars for aerospace mainly have two forms, one is a mode of screwing the bus bars to a wire pressing terminal; another is a way to weld the split cables directly by making round holes or kidney holes in the bus bars.
Although the reliability of the screwed bus bar is higher, the installation mode of fastening the terminal and the bus bar by using the screw after the wire is in crimping connection with the crimping terminal occupies a larger space, the bus bar has heavy weight, and the contact surface has oxidation risk.
The beam-splitting welding type bus bar is high in machining difficulty, high in cost, fast in heat dissipation and difficult to weld, silver coating oxidation is accelerated after the welding process is heated for many times, wires are required to be heated and fixed for a long time during operation, operation difficulty is high, and the problems that the current collecting part of the root of a bus bar branch is easy to generate heat and stress is concentrated when high current passes through are generated.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a multi-channel bus bar and a forming process thereof, which are used for reducing the welding difficulty and realizing the compactness of the structure.
A first object of the present invention is to provide a multiway bus bar comprising:
a component a made of an insulating material; the upper surface of the component A is provided with a rectangular groove penetrating through the front surface and the rear surface; a protruding part A is arranged in the rectangular groove; the height of the upper surface of the protruding part A is not greater than that of the upper surface of the component A;
a bus terminal made of a conductive material; the width of the bus terminal is not larger than the width of the rectangular groove; the upper surface of the confluence terminal is provided with a rectangular or U-shaped welding groove; a bulge part B is arranged in the welding groove; the bulge B is provided with a through hole for inserting the bulge A; the height of the upper surface of the protruding part B is not more than that of the upper surface of the bus terminal;
a component B made of an insulating material; wherein:
the bus terminal is embedded in the rectangular groove, and the protruding part B is sleeved on the protruding part A; the component B is fixed to the upper surface of the component a.
Preferably, the number of the rectangular grooves is N; n is a natural number greater than 0.
Preferably, the protruding part A is located at the center of the rectangular groove, and the protruding part B is located at the center of the welding groove.
Preferably, the convex portion a and the convex portion B are both cylindrical.
Preferably, the upper surface of the protruding part A is provided with a threaded hole.
Preferably, U-shaped arc surfaces are arranged on the left side wall and the right side wall of the protruding part A; the arc surface is coaxial with the bulge A.
Preferably, the component A and the component B are both rectangular structures, and are fixed by four screws or bolts, and the fixing positions of the component A and the component B are positioned at four corners of the upper surface of the component A.
Preferably, connecting columns in the vertical direction are arranged on the left side wall and the right side wall of the component A, and connecting holes are formed in the connecting columns; after a plurality of multi-channel bus bars are stacked, the connecting bolts sequentially penetrate through the connecting holes, and then the multi-channel bus bars are fastened and connected.
The second object of the present invention is to provide a molding process of a multiway bus bar, comprising the steps of:
s1, machining a component A, a component B and a confluence terminal;
s2, fixing the required number of confluence terminals on the component A by countersunk screws;
s3, welding wires needing to be converged at two ends of the converging terminal;
s4, covering the component B on the component A, and connecting the component A and the component B by using countersunk screws.
Preferably, the insulating material is an epoxy glass cloth plate or polyimide; the conductive material is copper or aluminum, and silver is plated on the surface of the busbar terminal.
The beneficial effects of this application are:
the invention has the characteristic of compact structure, and further reduces the volume and the weight of the device; the confluence of the multi-channel non-voltage level cables can be realized in a narrow space;
the invention can reduce the welding times and the workload and reduce the welding difficulty;
the invention improves the working reliability, ensures the power supply safety, reduces the short circuit risk, and can realize the confluence of the multi-channel non-electrified grade cables in a narrow space;
the invention can realize lamination use, fully utilizes the height direction space, greatly facilitates the arrangement of the wire harnesses in the single machine, improves the utilization rate of the space in the single machine, and meets the new requirements of high voltage, high power, small volume and high reliability of space power supply products.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a block diagram of a component A in a preferred embodiment of the invention;
FIG. 2 is a block diagram of a bus terminal in a preferred embodiment of the present invention;
FIG. 3 is a top view of a bussing terminal in a preferred embodiment of the present invention;
FIG. 4 is a bottom view of the buss terminal in a preferred embodiment of the present invention;
fig. 5 is a left side view of the busbar terminal in the preferred embodiment of the present invention;
FIG. 6 is a block diagram of component B in the preferred embodiment of the present invention;
fig. 7 is a partial assembly view of a preferred embodiment of the present invention for showing the connection structure of the component a, the bus terminal and the wire;
FIG. 8 is an assembled view of a first use state of the preferred embodiment of the present invention;
fig. 9 is an assembly view of a second use state of the preferred embodiment of the present invention.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "comprises" and "comprising," along with any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A multi-channel bus bar, which is suitable for converging cables with different voltage levels in electric product equipment in a narrow space; comprising the following steps:
a component a made of an insulating material; referring to fig. 1, the upper surface of the component A1 is provided with a rectangular groove 1-1 penetrating the front and rear surfaces; a protruding part A1-2 is arranged in the rectangular groove 1-1; the height of the upper surface of the protruding part A1-2 is not greater than that of the upper surface of the component A; the number of the rectangular grooves is N; n is a natural number greater than 0;
a bus terminal 2 made of a conductive material; referring to fig. 2 to 5, the width of the bus terminal is not greater than the width of the rectangular groove; the upper surface of the confluence terminal is provided with a rectangular or U-shaped welding groove 2-1; a bulge part B2-2 is arranged in the welding groove 2-1; the bulge B2-2 is provided with a through hole for inserting the bulge A1-2; the height of the upper surface of the protruding part B is not more than that of the upper surface of the bus terminal;
a member B6 made of an insulating material; the structure of the component B is shown in fig. 6; wherein:
as shown in fig. 7: the bus terminal is embedded in the rectangular groove, and the protruding part B2-2 is sleeved on the protruding part A1-2; as shown in fig. 8: the component B6 is fixed to the upper surface of the component A1.
On the basis of the above preferred embodiment, the convex part a is located at the center of the rectangular groove, and the convex part B is located at the center of the welding groove.
The protruding part A and the protruding part B are both cylindrical.
The upper surface of the protruding part A is provided with a threaded hole 1-3. The bulge A and the bulge B are connected through countersunk screws;
u-shaped arc surfaces 1-5 are arranged on the left side wall and the right side wall of the bulge A; the arc surface is coaxial with the bulge A.
The component A and the component B are rectangular structures, and are fixed by four screws or bolts or countersunk screws, and the fixing positions of the component A and the component B are positioned at four corners of the upper surface of the component A.
In order to realize lamination connection, connecting columns 1-4 in the vertical direction are arranged on the left side wall and the right side wall of the component A, and connecting holes are formed in the connecting columns; after a plurality of multi-channel bus bars are stacked, a connecting bolt or a pan head screw 7 sequentially passes through a plurality of connecting holes, and then the plurality of multi-channel bus bars are fastened and connected.
The bus bar mainly comprises three parts: component a (also referred to as an insulating frame), a bus terminal, and component B (also referred to as an insulating cover). Wherein: the bus terminal is formed by machining high-quality conductive materials with copper or aluminum as a matrix, silver plating is performed on the surface of the bus terminal, and an insulating layer is formed by machining epoxy phenolic aldehyde laminated glass cloth plates or insulating materials such as polyimide, nylon and the like.
The bus bar in the preferred embodiment is formed by the following steps:
processing and manufacturing a component A (insulating frame) and a component B (insulating cover) by using hard insulating materials such as epoxy glass cloth plates or polyimide, and performing mechanical processing and manufacturing a flow terminal by using high-quality conductive materials with copper or aluminum as matrixes, and performing surface silver plating treatment;
referring to fig. 7 and 8: the corresponding number of the bus terminals are fixed on the insulating frame by countersunk head screws 4 (the screw caps do not protrude out of the bus terminals), then the wires 3 needing to be bus are welded at the two ends 5 of the bus terminals, and finally the insulating cover is covered on the insulating frame by countersunk head screws (the screw caps do not protrude out of the insulating cover).
When the multi-layered stacked structure is adopted, referring to fig. 9, a plurality of multi-channel bus bars are fastened and connected after sequentially passing through a plurality of connection holes by using pan head screws 7.
The confluence device can be used independently, can be tiled for multiple uses, and can be used in a stacked manner in the height direction.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (3)
1. A multiway bus bar, comprising:
a component a made of an insulating material; the upper surface of the component A is provided with a rectangular groove penetrating through the front surface and the rear surface; a protruding part A is arranged in the rectangular groove; the height of the upper surface of the protruding part A is not greater than that of the upper surface of the component A;
a bus terminal made of a conductive material; the width of the bus terminal is not larger than the width of the rectangular groove; the upper surface of the confluence terminal is provided with a rectangular or U-shaped welding groove; a bulge part B is arranged in the welding groove; the bulge B is provided with a through hole for inserting the bulge A; the height of the upper surface of the protruding part B is not more than that of the upper surface of the bus terminal;
a component B made of an insulating material; wherein:
the bus terminal is embedded in the rectangular groove, and the protruding part B is sleeved on the protruding part A; the component B is fixed on the upper surface of the component A; u-shaped arc surfaces are formed on the left side wall and the right side wall of the protruding part A; the arc surface and the bulge A are coaxial; the component A and the component B are of rectangular structures, and are fixed through four screws or bolts, and the fixed positions of the component A and the component B are positioned at four corners of the upper surface of the component A; connecting columns in the vertical direction are arranged on the left side wall and the right side wall of the component A, and connecting holes are formed in the connecting columns; after a plurality of multi-channel bus bars are stacked, connecting bolts sequentially pass through a plurality of connecting holes and then are fastened and connected with the multi-channel bus bars;
the convex part A is positioned at the center of the rectangular groove, and the convex part B is positioned at the center of the welding groove;
the convex part A and the convex part B are cylindrical;
the upper surface of the protruding part A is provided with a threaded hole.
2. A process for forming a multi-way bus bar according to claim 1; the method is characterized by comprising the following steps of:
s1, machining a component A, a component B and a confluence terminal;
s2, fixing the required number of confluence terminals on the component A by countersunk screws;
s3, welding wires needing to be converged at two ends of the converging terminal;
s4, covering the component B on the component A, and connecting the component A and the component B by using countersunk screws.
3. The multi-way bus bar molding process according to claim 2, wherein: the insulating material is an epoxy glass cloth plate or polyimide; the conductive material is copper or aluminum, and silver is plated on the surface of the busbar terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110302259.1A CN113078487B (en) | 2021-03-22 | 2021-03-22 | Multipath bus bar and forming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110302259.1A CN113078487B (en) | 2021-03-22 | 2021-03-22 | Multipath bus bar and forming process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113078487A CN113078487A (en) | 2021-07-06 |
| CN113078487B true CN113078487B (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110302259.1A Active CN113078487B (en) | 2021-03-22 | 2021-03-22 | Multipath bus bar and forming process thereof |
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| Country | Link |
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| CN (1) | CN113078487B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02223171A (en) * | 1988-11-24 | 1990-09-05 | Yazaki Corp | Multi-stage connector and electric wire pressure-welding method |
| CN205376956U (en) * | 2016-01-25 | 2016-07-06 | 浙江沃森电器有限公司 | Busbar |
| CN206685562U (en) * | 2017-02-20 | 2017-11-28 | 深圳市创亿欣精密电子股份有限公司 | It is a kind of can automatic welding line end terminal board connector |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000251977A (en) * | 1999-02-26 | 2000-09-14 | Fujitsu Ltd | Power supply terminal |
| TWM274688U (en) * | 2004-12-29 | 2005-09-01 | Molex Taiwan Ltd | Electrical connector |
| WO2014170957A1 (en) * | 2013-04-16 | 2014-10-23 | 三菱電機株式会社 | Bus bar |
| CN203721900U (en) * | 2014-03-12 | 2014-07-16 | 王剑 | Closed type three-phase cable wiring terminal |
| CN205335448U (en) * | 2016-01-23 | 2016-06-22 | 苏州思科赛德电子科技有限公司 | Big current terminal base |
| CN206742506U (en) * | 2017-06-07 | 2017-12-12 | 宁波公牛电器有限公司 | Saddle terminal band inserts clamping structure |
| CN108448268B (en) * | 2018-03-16 | 2019-10-18 | 淮北雷德机电科技有限公司 | A kind of fixed structure and its assemble method of insulated wire |
| CN111863313A (en) * | 2020-07-16 | 2020-10-30 | 中国电子科技集团公司第十八研究所 | Bus converging method |
-
2021
- 2021-03-22 CN CN202110302259.1A patent/CN113078487B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02223171A (en) * | 1988-11-24 | 1990-09-05 | Yazaki Corp | Multi-stage connector and electric wire pressure-welding method |
| CN205376956U (en) * | 2016-01-25 | 2016-07-06 | 浙江沃森电器有限公司 | Busbar |
| CN206685562U (en) * | 2017-02-20 | 2017-11-28 | 深圳市创亿欣精密电子股份有限公司 | It is a kind of can automatic welding line end terminal board connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113078487A (en) | 2021-07-06 |
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Effective date of registration: 20211119 Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant after: The 18th Research Institute of China Electronics Technology Group Corporation Applicant after: CETC Energy Co.,Ltd. Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant before: The 18th Research Institute of China Electronics Technology Group Corporation |
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Effective date of registration: 20221115 Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant after: CETC Energy Co.,Ltd. Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant before: The 18th Research Institute of China Electronics Technology Group Corporation Applicant before: CETC Energy Co.,Ltd. |
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Address after: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant after: CETC Blue Sky Technology Co.,Ltd. Address before: 300384 No. 6 Huake No. 7 Road, Binhai New Area, Tianjin Binhai High-tech Industrial Development Zone Applicant before: CETC Energy Co.,Ltd. |
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