CN110190417B - Wire connector and battery pack - Google Patents
Wire connector and battery pack Download PDFInfo
- Publication number
- CN110190417B CN110190417B CN201811451893.6A CN201811451893A CN110190417B CN 110190417 B CN110190417 B CN 110190417B CN 201811451893 A CN201811451893 A CN 201811451893A CN 110190417 B CN110190417 B CN 110190417B
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- Prior art keywords
- terminal
- connecting section
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- leading
- connector
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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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
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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
- H01R9/24—Terminal blocks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a wire connector and a battery pack, wherein the wire connector comprises a shell and a switching row arranged in the shell, the switching row is provided with a terminal connecting section for connecting a cable terminal, a leading-out connecting section for being electrically connected with a current leading-out conductor in the battery pack and a transition connecting section for penetrating through the wall of the battery pack, and the leading-out connecting section and the transition connecting section are provided with an included angle for enabling the end part of the leading-out connecting section far away from the transition connecting section to be close to the wall of the battery pack. The problem of among the prior art the switching row of connector occupy space greatly in the battery package, be unfavorable for the miniaturized design of battery package is solved.
Description
Technical Field
The invention relates to a wire connector and a battery pack.
Background
At present, all battery packs on an electric automobile are connected in series through a high-voltage cable terminal and a wire connector, one end of a high-voltage cable is connected with a positive electrode of the battery pack, and the other end of the high-voltage cable is connected with a negative electrode of the battery pack.
The Chinese patent application with application publication number CN103812077A and application publication number 2014.05.21 discloses a cable connecting device, which comprises an upper cover, an external cable terminal, a connecting sheet and a base, wherein the upper cover and the base are matched to form a cavity. The cable connecting device is a wire connector, the upper cover and the base form a shell of the wire connector, and the connecting sheet is equivalent to a switching row of the wire connector. The switching row includes the linkage segment and stretches out the section, and the linkage segment all sets up in the cavity with external cable terminal and is connected with external cable terminal, stretches out the one end of section and is connected with the linkage segment, the other end and stretches out and penetrate the battery box from the tank wall of battery box in with inside cable connection from the base. The battery box is the battery package promptly, and the inside cable of battery package is equivalent to the electric current extraction conductor of battery package, and the linkage segment is equivalent to the terminal linkage segment, stretches out the section and is equivalent to drawing out the linkage segment.
The switching row is arranged in an L shape, the distance from the switching row extending into the battery pack is long enough, so that the current leading-out conductor in the switching row and the battery pack has enough contact area, the stable connection between the switching row and the current leading-out conductor is ensured, and thus, an operation space for leading out the current leading-out conductor and the switching row to be electrically connected is reserved in the battery pack, a larger accommodating space for accommodating the leading-out connecting section is reserved, and the miniaturization design of the battery pack is not facilitated.
Disclosure of Invention
The invention aims to provide a wire connector to solve the problems that in the prior art, a switching row of the wire connector occupies a large space in a battery pack and is not beneficial to the miniaturization design of the battery pack; the invention also aims to provide a battery pack to solve the problem that the switching row of the wire connector fixed on the battery pack in the prior art occupies a large space in the battery pack and is not beneficial to the miniaturization design of the battery pack.
The wire connector adopts the following technical scheme:
the wire connector comprises a shell and a switching row arranged in the shell, wherein the switching row is provided with a terminal connecting section used for connecting a cable terminal, a leading-out connecting section used for leading out a conductor electric connection with a current in a battery pack and a transition connecting section used for penetrating through the box wall of the battery pack, and the leading-out connecting section and the transition connecting section are provided with an included angle which enables the end part of the leading-out connecting section far away from the transition connecting section to be close to the box wall.
The invention has the beneficial effects that: lead out the tank wall setting that has the contained angle between linkage segment and the transitional coupling section and make the tip that the linkage segment was kept away from to the linkage segment be close to the battery package, with prior art in the switching row stretch into the inside degree of depth of box compare for leading out the linkage segment length at least, the degree of depth that the switching row stretched into the box inside reduces greatly to reduce the occupation space of switching row in the battery package, be favorable to the miniaturized design of battery package. The problem of among the prior art the switching row of connector occupy space greatly in the battery package, be unfavorable for the miniaturized design of battery package is solved.
For the design and processing of convenient switching row, in this scheme the contained angle of drawing forth linkage segment and transition linkage segment is 90.
In order to save the installation space of the wire connector, the switching row is in a U shape, two parallel parts of the U shape respectively form the terminal connecting section and the leading-out connecting section, and the middle transition section connecting the two parallel parts forms the transition connecting section.
In order to further save the installation space of the wire connector, in the scheme, the terminal connecting section and/or the leading-out connecting section are/is provided with the press riveting nuts fixed on the switching row, and the press riveting nuts extend to the inside of the U shape along the direction perpendicular to the two parallel parts.
In order to ensure the insulation property of the external part of the wire connector, the shell is internally provided with an insulator, and the switching row is embedded on the insulator.
In order to facilitate the installation and fixation of the wire connector, the shell comprises a base, an upper cover and a middle shell with openings at two ends, and clamping surfaces which are oppositely arranged and used for clamping box walls are arranged on the base and the middle shell.
In order to further facilitate the installation and fixation of the wire connector, the base comprises an insulator extending into the middle shell, and the switching row is embedded on the insulator.
The battery pack adopts the following technical scheme:
the battery package includes the box and fixes the connector on the tank wall, the connector includes the casing and sets up the switching row in the casing, the switching row has the terminal linkage segment that is used for connecting the cable terminal, draws forth the linkage segment and passes the transitional coupling segment of the tank wall of battery package that the conductor electricity is connected with battery package inner current, it has to make to draw forth the linkage segment and is close to with the transitional coupling segment the tip that the transitional coupling segment was kept away from to the linkage segment is drawn close to with the transitional coupling segment the contained angle of tank wall.
The invention has the beneficial effects that: lead out the tank wall setting that has the contained angle between linkage segment and the transitional coupling section and make the tip that the linkage segment was kept away from to the linkage segment be close to the battery package, with prior art in the switching row stretch into the inside degree of depth of box compare for leading out the linkage segment length at least, the degree of depth that the switching row stretched into the box inside reduces greatly to reduce the occupation space of switching row in the battery package, be favorable to the miniaturized design of battery package. The problem of among the prior art fix the switching row of the connector on the battery package occupation space in the battery package big, be unfavorable for the miniaturized design of battery package is solved.
For the design and processing of convenient switching row, in this scheme the contained angle of drawing forth linkage segment and transition linkage segment is 90.
In order to save the installation space of the wire connector, the switching row is in a U shape, two parallel parts of the U shape respectively form the terminal connecting section and the leading-out connecting section, and the middle transition section connecting the two parallel parts forms the transition connecting section.
In order to further save the installation space of the wire connector, in the scheme, the terminal connecting section and/or the leading-out connecting section are/is provided with the press riveting nuts fixed on the switching row, and the press riveting nuts extend to the inside of the U shape along the direction perpendicular to the two parallel parts.
In order to ensure the insulation property of the external part of the wire connector, the shell is internally provided with an insulator, and the switching row is embedded on the insulator.
In order to facilitate the installation and fixation of the wire connector, the shell comprises a base, an upper cover and a middle shell with openings at two ends, and clamping surfaces which are oppositely arranged and used for clamping box walls are arranged on the base and the middle shell.
In order to further facilitate the installation and fixation of the wire connector, the base comprises an insulator extending into the middle shell, and the switching row is embedded on the insulator.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a wire connector of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a view taken along line A-A of FIG. 2;
FIG. 4 is a view from the B-B direction of FIG. 2;
FIG. 5 is a schematic view of the structure of FIG. 1 with the upper cover removed;
FIG. 6 is a schematic view of the structure of the middle shell of FIG. 1;
FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective;
FIG. 8 is a schematic structural view of the transfer bank of FIG. 3;
FIG. 9 is a schematic structural view of the upper cover of FIG. 1;
fig. 10 is a schematic structural view of fig. 9 from another angle.
In the figure: 1-cable, 2-wire connector, 3-cable terminal, 4-switching row, 5-box wall, 6-base, 7-upper cover, 8-middle shell, 9-terminal access hole, 10-vent valve, 11-screw, 12-bolt, 13-identification block, 41-terminal mounting hole, 42-conductor mounting hole, 43-rivet nut, 71-metal shell, 72-upper insulator.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the embodiment of the connector of the present invention, as shown in fig. 1 to 5, the connector 2 includes a housing and a patch bank 4 disposed in the housing. The housing in this embodiment comprises a base 6, an upper cover 7 and a middle shell 8 with openings at two ends, wherein the base 6 and the middle shell 8 are provided with oppositely arranged clamping surfaces, when the connector 2 is mounted, the box wall 5 of the battery pack is clamped between the clamping surfaces of the base 6 and the middle shell 8 and then fixedly connected through a screw 11, and the upper cover and the middle shell 8 are also locked through the screw 11. In other embodiments, the housing may be that of the connector of the reference cited in the background, i.e. consisting only of an upper cover with an opening at one end and a base with an opening at one end, with the wall being sandwiched between the base and the upper cover.
As shown in fig. 6 to 8, in order to save the installation space of the wire connector 2, the switching row 4 in this embodiment is U-shaped, two terminal access holes 9 for accessing the cable terminals 3 are provided on the housing, two terminal installation holes 41 and two conductor installation holes 42 are respectively provided on two parallel portions of the U-shape, and the terminal installation holes 41 and the terminal access holes 9 are in one-to-one correspondence. A clinch nut 43 is fixed to each of the terminal mounting hole 41 and the conductor mounting hole 42, and each of the clinch nuts 43 extends to the inside of the U-shape in a direction perpendicular to the two parallel portions. When the connector 2 is used to perform high-voltage and high-current switching, the cable terminal 3 is inserted into the housing through the terminal insertion hole 9 and is connected to the clinch nut 43 corresponding to the terminal mounting hole 41 by the bolt 12, and the conductor is connected to the clinch nut 43 corresponding to the conductor mounting hole 42 by the bolt 12. The clinch nut 43 corresponding to the terminal mounting hole 41 constitutes a terminal mounting structure, and the clinch nut 43 corresponding to the conductor mounting hole 42 constitutes a conductor mounting structure. The two parallel portions of the U-shape are provided with conductor mounting holes 42 as lead-out connection sections, the terminal mounting holes 41 as terminal connection sections, and the intermediate transition section connecting the two parallel portions is a transition connection section.
The leading-out connecting section and the transition connecting section in the embodiment are respectively composed of two U-shaped parallel parts, and the included angle between the leading-out connecting section and the transition connecting section is 90 degrees. In other embodiments, the included angle between the leading-out connecting section and the transition connecting section can be any angle from 45 degrees to 135 degrees, and only the end part of the leading-out connecting section far away from the transition connecting section is required to be close to the box wall for the transition connecting section to pass through. In other embodiments, the transition row may be L-shaped, and the L-shape includes two portions perpendicular to each other, one of which has a terminal connection section and a transition connection section, and the other of which is a conductor connection section; the switching row can also be in a Z shape, two mutually parallel parts of the Z shape respectively form a terminal connecting section and a leading-out connecting section, a middle transition section connecting the two mutually parallel parts forms a transition connecting section of the switching row, it needs to be noted that the middle transition part of the Z shape is perpendicular to the two parallel parts, or an included angle between the middle transition part of the Z shape and the two parallel parts is an acute angle; the terminal mounting structures or conductor mounting structures may also be mounting holes provided on the patch panel.
The terminal connecting section includes two terminal fixed arms that the interval set up side by side, and terminal mounting hole 41 and terminal fixed arm one-to-one, and the nut 43 is riveted to the pressure that corresponds with terminal mounting hole 41 sets up on the terminal fixed arm. Compared with the case that the two terminal mounting structures are arranged on the same plate-shaped structure, the switching row 4 in the embodiment reduces the weight of the switching row 4, and further reduces the weight of the wire connector 2. To facilitate the connection of the conductors to the switching bank 4, the portion of the U-shape provided with the conductor mounting holes 42 extends outside the housing. In other embodiments, the conductor mounting structure may be inside the housing or flush with the bottom surface of the housing.
Compared with the prior art that the leading-out connecting section of the switching row 4 extends into the box body at least by the length of the leading-out connecting section, the leading-out connecting section of the switching row 4 of the wire connector is arranged close to the box wall 5 of the battery pack, and the depth of the switching row 4 extending into the box body is greatly reduced, so that the occupied space of the switching row 4 in the battery pack is reduced, and the miniaturization design of the battery pack is facilitated. The problem of among the prior art the switching row of connector occupy space greatly in the battery package, be unfavorable for the miniaturized design of battery package is solved.
As shown in fig. 5 and 6, the identification block 13 for identifying the cable terminal 3 is disposed inside the middle housing 8, the identification block 13 is inserted into the notch of the cable terminal 3 when the corresponding cable terminal 3 is connected, so that the terminal connection hole of the cable terminal 3 is aligned with the corresponding terminal mounting hole 41 and is fixedly connected by the bolt 12, and when the wrong cable terminal 3 is connected, the identification block 13 is in stop fit with the cable terminal 3 to prevent the terminal connection hole of the cable terminal 3 from being aligned with the terminal mounting hole 41, so that the wrong cable terminal 3 cannot be connected with the wire connector 2. Thereby avoiding the wrong installation of positive and negative cables, damaging the wire connector 2 and the battery pack using the wire connector 2. Specifically, in the present embodiment, the recognition blocks 13 on the wire connector 2 corresponding to the positive electrode and the wire connector 2 corresponding to the negative electrode are respectively disposed biased to different sides in the radial direction of the terminal access hole 9, so that the misloading of the cable 1 is avoided by the key position fitting of the recognition blocks 13 and the cable terminals 3.
In order to secure the insulating property of the exterior of the connector 2, the base 6 in this embodiment is formed of a lower insulator having a portion protruding into the middle case 8, and as shown in fig. 9 and 10, the upper cover 7 includes a metal shell 71 and an upper insulator 72 fixed inside the metal shell 71. The switching row 4 is embedded on the insulator, and the switching row 4 and the lower insulator are sealed through an insert structure, so that the shell can achieve the protection grade of IP 68. In addition, in order to ensure the balance of internal pressure and temperature when the connector 2 is powered on and off, the upper cover 7 in this embodiment is further provided with a vent valve 10. In other embodiments, the base can also consist of a metal shell and a lower insulator, and the adapter row is embedded on the lower insulator; a middle insulator can also be arranged on the middle shell, and the switching row is embedded on the middle insulator; the adapter row may also be fixed to the lower insulator by bolts.
In the specific embodiment of the battery pack of the present invention, the battery pack includes a box body and a wire connector fixed on a wall of the box, and the structure of the wire connector in this embodiment is the same as that of the wire connector in the specific embodiment of the wire connector, and details are not repeated.
Claims (6)
1. The wire connector comprises a shell and a switching row arranged in the shell, wherein the switching row is provided with a terminal connecting section for connecting a cable terminal, a leading-out connecting section for electrically connecting with a current leading-out conductor in a battery pack and a transition connecting section for penetrating through the wall of the battery pack, and is characterized in that the leading-out connecting section and the transition connecting section have an included angle which enables the end part of the leading-out connecting section far away from the transition connecting section to be close to the wall, the included angle between the leading-out connecting section and the transition connecting section is 90 degrees, the switching row is U-shaped, two terminal access holes for accessing cable terminals are arranged on the shell, two parallel parts of the U-shape are respectively provided with two terminal mounting holes and two conductor mounting holes, the terminal mounting holes and the terminal access holes are in one-to-one correspondence, the leading-out connecting section of the conductor mounting holes is arranged in the two parallel parts of the U-shape, and the terminal connecting, the middle transition section for connecting the two parallel parts is a transition connection section, the terminal connection section comprises two terminal fixing arms arranged side by side at intervals, the terminal mounting holes are in one-to-one correspondence with the terminal fixing arms, the shell comprises a base, an upper cover and a middle shell with openings at two ends, an identification block for identifying the cable terminal is arranged in the middle shell, the identification block is inserted into the opening of the cable terminal when the corresponding cable terminal is accessed, so that the terminal connecting hole of the cable terminal is aligned with the corresponding terminal mounting hole and fixedly connected through a bolt, and the identification block is matched with the cable terminal in a blocking mode to prevent the terminal connecting hole of the cable terminal from being aligned with the terminal mounting hole when the wrong cable terminal is accessed, so that the wrong cable terminal cannot be connected with a wire connector.
2. The connector of claim 1 wherein the terminal and/or lead-out segments are provided with clinch nuts secured to the transition row, the clinch nuts extending into the U-shaped interior in a direction perpendicular to the two parallel portions.
3. The connector of claim 1 or 2 wherein an insulator is provided in the housing and the transition row is mounted on the insulator.
4. The connector according to claim 1 or 2, wherein the housing comprises a base, a top cover and a middle shell with openings at two ends, and the base and the middle shell are provided with clamping surfaces which are oppositely arranged and used for clamping the wall of the box.
5. The connector of claim 4 wherein the base includes an insulator extending into the housing, the transition row being received on the insulator.
6. A battery pack comprising a case and a connector secured to a wall of the case, wherein the connector is as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451893.6A CN110190417B (en) | 2018-11-30 | 2018-11-30 | Wire connector and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451893.6A CN110190417B (en) | 2018-11-30 | 2018-11-30 | Wire connector and battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110190417A CN110190417A (en) | 2019-08-30 |
| CN110190417B true CN110190417B (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811451893.6A Active CN110190417B (en) | 2018-11-30 | 2018-11-30 | Wire connector and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110190417B (en) |
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| CN104466445A (en) * | 2014-10-29 | 2015-03-25 | 公牛集团有限公司 | Wiring terminal capable of preventing mis-insertion |
| CN107046204A (en) * | 2017-03-06 | 2017-08-15 | 中航光电科技股份有限公司 | A kind of electric wire connecting junction |
| CN107611636A (en) * | 2017-09-08 | 2018-01-19 | 厦门唯恩电气有限公司 | A kind of Split type metal terminal box with electro-magnetic screen function |
| CN207818929U (en) * | 2018-01-25 | 2018-09-04 | 宁德时代新能源科技股份有限公司 | Terminal box |
| CN209045793U (en) * | 2018-09-29 | 2019-06-28 | 宁德时代新能源科技股份有限公司 | High-tension connector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201146250Y (en) * | 2007-12-25 | 2008-11-05 | 比亚迪股份有限公司 | Piece for connecting battery module |
| US9099814B2 (en) * | 2013-07-16 | 2015-08-04 | Delphi Technologies, Inc. | Shielded electrical header assembly |
| US9231338B2 (en) * | 2014-03-26 | 2016-01-05 | Sumitomo Electric Wiring Systems, Inc. | Variable wire strain relief connector |
| CN206076648U (en) * | 2016-08-26 | 2017-04-05 | 深圳市沃特玛电池有限公司 | A kind of connector construction with high-voltage interlocking function |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609934A (en) * | 2008-06-17 | 2009-12-23 | 勒格朗法国公司 | Terminal with improved short circuit grade |
| CN101859932A (en) * | 2010-05-14 | 2010-10-13 | 中国北车股份有限公司大连电力牵引研发中心 | Connecting terminal strip |
| CN104466445A (en) * | 2014-10-29 | 2015-03-25 | 公牛集团有限公司 | Wiring terminal capable of preventing mis-insertion |
| CN107046204A (en) * | 2017-03-06 | 2017-08-15 | 中航光电科技股份有限公司 | A kind of electric wire connecting junction |
| CN107611636A (en) * | 2017-09-08 | 2018-01-19 | 厦门唯恩电气有限公司 | A kind of Split type metal terminal box with electro-magnetic screen function |
| CN207818929U (en) * | 2018-01-25 | 2018-09-04 | 宁德时代新能源科技股份有限公司 | Terminal box |
| CN209045793U (en) * | 2018-09-29 | 2019-06-28 | 宁德时代新能源科技股份有限公司 | High-tension connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110190417A (en) | 2019-08-30 |
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