CN204992050U - Motor three -phase power pencil interface switching copper bar structure - Google Patents
Motor three -phase power pencil interface switching copper bar structure Download PDFInfo
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- CN204992050U CN204992050U CN201520786107.3U CN201520786107U CN204992050U CN 204992050 U CN204992050 U CN 204992050U CN 201520786107 U CN201520786107 U CN 201520786107U CN 204992050 U CN204992050 U CN 204992050U
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- copper bar
- motor
- splicing ear
- wire harness
- interface structure
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Abstract
The utility model provides a motor three -phase power pencil interface switching copper bar structure, including at least a set of copper bar subassembly, the copper bar subassembly includes by lower supreme superimposed first copper bar, second copper bar and third copper bar in proper order, between first copper bar and the second copper bar, leave the clearance between second copper bar and the third copper bar respectively, still include integrated into one piece in peripheral and the packing of first copper bar, second copper bar and third copper bar the bench insulator in clearance, the both ends of first copper bar, second copper bar and third copper bar are equipped with a connecting terminal and the 2nd connecting terminal respectively, a connecting terminal and the 2nd connecting terminal expose respectively in the bench insulator. Adopt the utility model discloses, except satisfying essential electricity connect function, motor interface space has still been saved to have better assembling, integrated level, electrical property and electrical protection performance.
Description
Technical field
The utility model relates to new-energy automobile electric system technical field, particularly relates to a kind of motor three-phase dynamic wire harness interface structure of copper bar.
Background technology
In new-energy automobile electric system design process, the triple line of motor internal needs to be connected with electric machine controller by high-voltage wiring harness.Due to the uncertainty of arrangement scheme, generally all there is motor triple line needs to be more suitable for the layout of high-voltage wiring harness by copper bar or cable switching to make triple line interface on electric machine casing, and this signaling transfer point is generally realized by copper bar.The copper bar that this place uses not only will meet the requirement of motor ampacity, also will to meet under high voltage condition the requirements such as electric clearance, creepage distance and immersion oil.Along with car load integration degree is more and more higher, the intensive degree of motor and motor triple line converting interface is also more and more higher, and according to arrangement situation, designed copper bar generally has the requirement turned to.
But the switching copper bar at present for motor interface place generally uses busbar bending and molding, and the insulating base of design is separately coordinated to use together.The program can realize basic electrical connection, but there are the following problems:
(1) owing to needing design electric clearance and creepage distance between single copper bar, cause copper bar spacing large, require larger to three-phase high-voltage line interface arrangement space.
(2) single copper bar needs to design special insulating base for supporting copper bar, and provide mounting points for copper bar is connected with binding post, general meeting is inserted num when insulating base injection moulding, and the nut embedded in working of plastics easily loosens, and urgent power is crossed conference and caused working of plastics to damage; The installation of insulating base on electric machine casing simultaneously also needs electric machine casing to provide fixing point for it, causes installation often, and installation process is complicated.
(3) copper bar is generally directly exposed in electric machine casing or only uses spray insulating varnish to carry out electic protection, easily forms potential safety hazard.
Utility model content
Technical problem to be solved in the utility model is; a kind of motor three-phase dynamic wire harness interface structure of copper bar is provided; except meeting basic electrical connection function, also save motor interface space, and there is better assembling, integrated level, electrical property and electic protection performance.
In order to solve the problems of the technologies described above, the utility model provides a kind of motor three-phase dynamic wire harness interface structure of copper bar, it comprises at least one group of copper bar assembly, and described copper bar assembly comprises the first copper bar, the second copper bar and the 3rd copper bar that superpose successively from the bottom to top; Gap is left respectively between described first copper bar and the second copper bar, between the second copper bar and the 3rd copper bar; Also comprise and be shaped in described first copper bar, the second copper bar and the 3rd copper bar periphery and the insulating base of filling described gap; The two ends of described first copper bar, the second copper bar and the 3rd copper bar are respectively equipped with the first splicing ear and the second splicing ear, and described first splicing ear and the second splicing ear expose to described insulating base respectively.
As preferably, the first splicing ear on described first copper bar, the second copper bar and the 3rd copper bar is all positioned in same level.
As preferably, described first splicing ear is provided with the first external connection portion.
As preferably, described first external connection portion is screwed hole.Concrete, described first external connection portion is formed on described first splicing ear by nut-welding.
As preferably, the second splicing ear on described first copper bar, the second copper bar and the 3rd copper bar is all positioned in same level.
As preferably, described second splicing ear is provided with the second external connection portion.
As preferably, described second external connection portion is screwed hole.Concrete, described second external connection portion is formed on described second splicing ear by nut-welding.
As preferably, described insulating base integrated injection molding is peripheral in described copper bar assembly.
Implement a kind of motor three-phase dynamic wire harness interface structure of copper bar of the present utility model, compared with prior art, there is following beneficial effect:
(1) copper bar assembly of the present utility model adopts superposition arrangement to instead of tiled arrangements mode, optimizes the space structure of copper bar assembly, saves motor interface space;
(2) the utility model improves the assembling of product, because copper bar assembly and insulating base are an overall structure, by the limit features of motor housing structure, overall copper bar assembly can be made directly to be seated; By welded nut on copper bar, avoid injection moulding embedded nut on insulating base; During wiring, assembling can be completed at the urgent bolt of access hole opening direction;
(3) the utility model reduces the potential safety hazard of product, because insulating base is shaped in the periphery of copper bar assembly, comes completely isolated between each copper bar, avoids the risk of high pressure electric leakage;
(4) the utility model adopts Shooting Technique that the copper bar assembly and insulating base that are used for three-phase electricity connection are injection molded into an entirety, its cost of manufacture is low, the connection between copper bar assembly and insulating base can be made more solid and reliable, improve the integration degree of product simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing of embodiment below.
Fig. 1 is the structural representation of a kind of motor three-phase of the utility model dynamic wire harness interface structure of copper bar;
Fig. 2 is the structural representation of copper bar assembly;
Fig. 3 is the structural representation of the first side, copper bar bottom surface.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, an embodiment of the present utility model, a kind of motor three-phase dynamic wire harness interface structure of copper bar, it comprises one group of copper bar assembly 1, and described copper bar assembly 1 comprises the first copper bar 11, second copper bar 12 and the 3rd copper bar 13 that superpose successively from the bottom to top; Between described first copper bar 11 and the second copper bar 12, leave gap respectively between the second copper bar 12 and the 3rd copper bar 13, this gap should meet the requirement of electric clearance and creepage distance under condition of high voltage; This switching structure of copper bar also comprises an insulating base 2, and it is peripheral and fill described gap that this insulating base 2 is shaped in described first copper bar 11, second copper bar 12 and the 3rd copper bar 13, makes mutually insulated between three copper bars, and the copper bar assembly 1 of fixed overlay arrangement; The two ends of described first copper bar 11, second copper bar 12 and the 3rd copper bar 13 are respectively equipped with the first splicing ear 14 and the second splicing ear 15, and described first splicing ear 14 and the second splicing ear 15 expose to described insulating base 2, respectively to realize electric linkage function.It should be noted that, described copper bar assembly 1 can also arrange two groups, three groups or many groups, for connection two, three or more motor.
The manufacturing process of the present embodiment is, independent stamping forming all copper bars are superposed successively according to the overlay order of structural design and forms copper bar assembly 1, then the copper bar assembly 1 after superposition is placed in injection mold, plastic insulation seat 2 integral molded plastic is molded as one structure on this copper bar assembly 1.Visible, copper bar assembly 1 of the present utility model adopts superposition arrangement to instead of tiled arrangements mode of the prior art, optimizes the space structure of copper bar assembly, saves motor interface space; Improve the assembling of product, because copper bar assembly 1 and insulating base 2 are an overall structure, by the limit features of motor housing structure, overall copper bar assembly can be made directly to be seated; Reduce the potential safety hazard of product, because insulating base 2 is shaped in the periphery of copper bar assembly 1, come completely isolated between each copper bar, avoid the risk of high pressure electric leakage.
Locate in injection mold for convenience of copper bar assembly 1, the first splicing ear 14 on described first copper bar 11, second copper bar 12 and the 3rd copper bar 13 is all positioned in same level; The second splicing ear 15 on described first copper bar 11, second copper bar 12 and the 3rd copper bar 13 is all positioned in same level.Like this, when copper bar assembly 1 is placed in injection mold, the two ends of copper bar assembly 1 form supporting plane, make copper bar assembly 1 be stabilized in injection mold rapidly, and the gap that simultaneously ensure that between each copper bar can meet the requirement of electric clearance and creepage distance under condition of high voltage.
Connect basis for external high pressure wire harness provides, described first splicing ear 14 is provided with the first external connection portion 141; Described second splicing ear 15 is provided with the second external connection portion 151.Further, described first external connection portion 141 is screwed hole; Described second external connection portion 151 is screwed hole.During wiring, can assembling be completed at the urgent bolt of access hole opening direction, fast easy to assembly, further improve the assembling of product.
As shown in Figure 3, described first external connection portion 141 and the second external connection portion 151 are welded on described first splicing ear 14 and the second splicing ear 15 by nut 3 respectively and form.Thus, by welded nut on copper bar 3, without the need to the embedded nut 3 when insulating base injection moulding, the nut embedded in working of plastics can be solved and occur to loosen and the excessive problem causing working of plastics to damage of urgent power.
More preferably, described insulating base 2 integrated injection molding is peripheral in described copper bar assembly 1, thus, adopt Shooting Technique that the copper bar assembly 1 being used for three-phase electricity connection is injection molded into an entirety with insulating base 2, its cost of manufacture is low, the connection between copper bar assembly 1 and insulating base 2 can be made more solid and reliable, improve the integration degree of product simultaneously.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (10)
1. a motor three-phase dynamic wire harness interface structure of copper bar, is characterized in that, comprises at least one group of copper bar assembly, and described copper bar assembly comprises the first copper bar, the second copper bar and the 3rd copper bar that superpose successively from the bottom to top; Gap is left respectively between described first copper bar and the second copper bar, between the second copper bar and the 3rd copper bar; Also comprise and be shaped in described first copper bar, the second copper bar and the 3rd copper bar periphery and the insulating base of filling described gap; The two ends of described first copper bar, the second copper bar and the 3rd copper bar are respectively equipped with the first splicing ear and the second splicing ear, and described first splicing ear and the second splicing ear expose to described insulating base respectively.
2. motor three-phase dynamic wire harness interface structure of copper bar as claimed in claim 1, it is characterized in that, the first splicing ear on described first copper bar, the second copper bar and the 3rd copper bar is all positioned in same level.
3. motor three-phase dynamic wire harness interface structure of copper bar as claimed in claim 2, it is characterized in that, described first splicing ear is provided with the first external connection portion.
4. motor three-phase dynamic wire harness interface structure of copper bar as claimed in claim 3, it is characterized in that, described first external connection portion is screwed hole.
5. motor three-phase dynamic wire harness interface structure of copper bar as claimed in claim 4, it is characterized in that, described first external connection portion is formed on described first splicing ear by nut-welding.
6. motor three-phase dynamic wire harness interface structure of copper bar as claimed in claim 1, it is characterized in that, the second splicing ear on described first copper bar, the second copper bar and the 3rd copper bar is all positioned in same level.
7. motor three-phase dynamic wire harness interface structure of copper bar as claimed in claim 6, it is characterized in that, described second splicing ear is provided with the second external connection portion.
8. motor three-phase dynamic wire harness interface structure of copper bar as claimed in claim 7, it is characterized in that, described second external connection portion is screwed hole.
9. motor three-phase dynamic wire harness interface structure of copper bar as claimed in claim 8, it is characterized in that, described second external connection portion is formed on described second splicing ear by nut-welding.
10. motor three-phase dynamic wire harness interface structure of copper bar as claimed in claim 1, is characterized in that, described insulating base integrated injection molding is peripheral in described copper bar assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786107.3U CN204992050U (en) | 2015-10-10 | 2015-10-10 | Motor three -phase power pencil interface switching copper bar structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786107.3U CN204992050U (en) | 2015-10-10 | 2015-10-10 | Motor three -phase power pencil interface switching copper bar structure |
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| Publication Number | Publication Date |
|---|---|
| CN204992050U true CN204992050U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520786107.3U Active CN204992050U (en) | 2015-10-10 | 2015-10-10 | Motor three -phase power pencil interface switching copper bar structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207759A (en) * | 2016-08-25 | 2016-12-07 | 四川永贵科技有限公司 | Fuse insulating installing plate and preparation method thereof |
| CN107946850A (en) * | 2017-11-12 | 2018-04-20 | 李正义 | A kind of new current-carrying load plate |
| CN111049083A (en) * | 2018-10-12 | 2020-04-21 | 株洲中车时代电气股份有限公司 | Busbar connecting device |
| CN111600169A (en) * | 2020-05-18 | 2020-08-28 | 安徽江淮汽车集团股份有限公司 | Switching copper bar |
| CN112072337A (en) * | 2020-09-08 | 2020-12-11 | 广东电网有限责任公司东莞供电局 | Grounding wire copper bar switching structure |
| CN113013646A (en) * | 2021-02-26 | 2021-06-22 | 宁波央腾汽车电子有限公司 | Copper bar connection fixing device capable of compensating assembly errors |
| CN114430124A (en) * | 2022-01-27 | 2022-05-03 | 安徽维德电源有限公司 | Line connecting device for motor and electric control assembly |
-
2015
- 2015-10-10 CN CN201520786107.3U patent/CN204992050U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207759A (en) * | 2016-08-25 | 2016-12-07 | 四川永贵科技有限公司 | Fuse insulating installing plate and preparation method thereof |
| CN107946850A (en) * | 2017-11-12 | 2018-04-20 | 李正义 | A kind of new current-carrying load plate |
| CN111049083A (en) * | 2018-10-12 | 2020-04-21 | 株洲中车时代电气股份有限公司 | Busbar connecting device |
| CN111600169A (en) * | 2020-05-18 | 2020-08-28 | 安徽江淮汽车集团股份有限公司 | Switching copper bar |
| CN112072337A (en) * | 2020-09-08 | 2020-12-11 | 广东电网有限责任公司东莞供电局 | Grounding wire copper bar switching structure |
| CN113013646A (en) * | 2021-02-26 | 2021-06-22 | 宁波央腾汽车电子有限公司 | Copper bar connection fixing device capable of compensating assembly errors |
| CN114430124A (en) * | 2022-01-27 | 2022-05-03 | 安徽维德电源有限公司 | Line connecting device for motor and electric control assembly |
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| GR01 | Patent grant |