CN106328878B - Double-end connecting device for battery module of electric automobile - Google Patents

Double-end connecting device for battery module of electric automobile Download PDF

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Publication number
CN106328878B
CN106328878B CN201611030396.XA CN201611030396A CN106328878B CN 106328878 B CN106328878 B CN 106328878B CN 201611030396 A CN201611030396 A CN 201611030396A CN 106328878 B CN106328878 B CN 106328878B
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China
Prior art keywords
sliding block
double
electric
electric vehicle
vehicle battery
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CN201611030396.XA
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Chinese (zh)
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CN106328878A (en
Inventor
张建平
周英富
王星
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Aulton New Energy Automotive Technology Co Ltd
Shanghai Dianba New Energy Technology Co Ltd
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Aulton New Energy Automotive Technology Co Ltd
Shanghai Dianba New Energy Technology Co Ltd
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Priority to CN201611030396.XA priority Critical patent/CN106328878B/en
Publication of CN106328878A publication Critical patent/CN106328878A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a double-end connecting device for a battery module of an electric automobile, which comprises: a pair of guide housings; a male connector; a female connector; the male connector and the female connector are respectively provided with a separable electric connector and an electric connecting seat; the male connector and the female connector are respectively arranged in the guide shell in a sliding mode, the male connector is detachably connected with the female connector, when the male connector is connected with the female connector, the male connector can move in a preset range in the transverse direction relative to the female connector, and the electric connector can move in a preset range in the longitudinal direction relative to the electric connection seat, so that reliable electric connection can be kept, and good shock resistance can be kept.

Description

Double-end connecting device for battery module of electric automobile
Technical Field
The invention relates to an electric vehicle battery device, in particular to a double-head connecting device for an electric vehicle battery module.
Background
The importance of the battery module is self-evident in an electric vehicle. The conventional battery module is generally formed by connecting a plurality of battery modules consisting of single batteries, and a positive connecting seat and a negative connecting seat are arranged on each battery module to connect two battery modules or the battery module and a high-voltage module with a connecting wire. The prior art fails to provide a connection device that is easy to connect and reliable and stable. Therefore, how to quickly and reliably perform connection becomes an urgent problem to be solved.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art, and provides a double-head connecting device for a battery module of an electric automobile.
The technical problem of the invention is mainly solved by the following technical scheme:
the invention discloses a double-end connecting device for an electric automobile battery module, which is characterized by comprising the following components:
a housing;
the pair of guide shells are arranged on two sides of the shell and are in sliding connection with the shell, and the guide shells are provided with movable notches for connecting the power supply connectors with the electric connection seats;
a pair of connecting slide blocks which are respectively arranged in the guide shell and can slide in the guide shell;
and the two electric connectors are respectively fixed on the connecting sliding block and are electrically connected through the connecting sliding block.
As a preferred embodiment of the present invention: one of the two connecting sliding blocks extends out of the first sliding block cylinder body along the opposite directions of the two connecting sliding blocks, the other one extends out of the second sliding block cylinder body along the opposite directions of the two connecting sliding blocks, the first sliding block cylinder body and the second sliding block cylinder body are mutually sleeved, and the two electric connectors are electrically connected through the two connecting sliding blocks, the first sliding block cylinder body and the second sliding block cylinder body.
As a preferred embodiment of the invention: the outer wall of the first sliding block cylinder body is provided with at least one annular first conductive ring groove, an annular first conductive spring is arranged in the first conductive ring groove, and the first sliding block cylinder body and the second sliding block cylinder body are in contact with the first conductive spring respectively after being sleeved.
As a preferred embodiment of the present invention: the guide shell is provided with a pair of connecting sliding blocks, and the connecting sliding blocks are arranged in the guide shell and extrude the connecting sliding blocks along opposite directions.
As a preferred embodiment of the present invention: the movable notch is provided with a notch protrusion at least on one side far away from the elastic piece.
As a preferred embodiment of the present invention: the elastic piece is a pressure spring, and two ends of the pressure spring are respectively connected with a spring limiting column extending out of the inner wall of the guide shell and a spring fixing column extending out of the corresponding position of the connecting slide block.
As a preferred embodiment of the present invention: the inner wall of the shell and the outer wall of the guide shell are provided with at least one pair of sliding grooves and sliding strips which are matched with each other.
As a preferred embodiment of the invention: at least one pair of sliding grooves and sliding strips which are matched with each other are arranged on the inner wall of the guide shell and the connecting sliding block.
As a preferred embodiment of the present invention: the electric connector is provided with a connecting cylinder extending from the connecting slide block to the movable notch, the outer wall of the connecting cylinder is provided with at least one annular second conductive ring groove, and a second conductive spring is arranged in the second conductive ring groove.
As a preferred embodiment of the present invention: the outer wall of the connecting cylinder body is provided with at least one annular sealing ring groove which is arranged between the second conductive ring groove and the joint of the second conductive ring groove and the connecting sliding block, and a sealing ring is further arranged in the sealing ring groove.
The invention also discloses a double-end connecting device for the battery module of the electric automobile, which comprises:
a double-ended connection device as claimed in any one of the preceding paragraphs;
the electric connecting seat is provided with a connecting cylinder, and the connecting cylinder is conductive and is detachably connected with the electric connector in an inserting manner.
As a preferred embodiment of the present invention: the outer wall of the connecting cylinder is provided with a slot which is matched with the notch of the movable notch in a protruding manner, so that the connecting sliding block drives the electric connecting seat inserted by the electric connector to move under the extrusion of the elastic piece, and the notch is clamped into the slot in a protruding manner.
The invention also discloses a double-end connecting device for the battery module of the electric automobile, which comprises the following components:
the upper shell comprises a plate-shaped upper base plate, two sides of the upper base plate are respectively provided with an upper side plate, the inner wall of the upper side plate is respectively provided with a first connecting clamping strip and a pair of second connecting clamping strips, and the second connecting clamping strips are positioned on two sides of the first connecting clamping strips;
the lower shell comprises an arc-shaped lower base arc plate and a pair of plate-shaped lower side plates which are arranged in parallel, and the tops of the outer side walls of the lower side plates are respectively provided with a third connecting clamping protrusion;
a pair of guide shells, wherein the guide shell comprises a plate-shaped guide base plate, two sides of the guide base plate are respectively provided with a guide side plate, the top of the guide base plate is provided with a guide top plate, the guide base plate is provided with a movable notch, the edge of the movable notch is provided with a notch projection,
the inner walls of the guide side plates are respectively provided with a guide sliding chute, the tops of the outer walls of the guide side plates are respectively provided with a guide clamping strip, and the inner wall of the guide top plate is provided with a spring limiting column;
the male connector comprises a first connecting sliding block, the first connecting sliding block comprises a strip-shaped first sliding block transverse strip and a cylindrical first sliding block cylinder, a first sliding block round hole penetrating through the first sliding block transverse strip is formed in the first sliding block transverse strip, a first cylindrical first spring fixing column is arranged at the head of the first sliding block transverse strip, a first pressure spring is arranged on the first spring fixing column, a pair of annular first conductive ring grooves are formed in the first sliding block cylinder, and a separable annular first conductive spring is arranged in each first conductive ring groove;
the female connector comprises a second connecting slide block, the second connecting slide block comprises a strip-shaped second slide block transverse bar and a cylindrical second slide block cylinder, a penetrating second slide block round hole is formed in the second slide block transverse bar, a cylindrical second spring fixing column is arranged at the head of the second slide block transverse bar, and a second pressure spring is arranged on the second spring fixing column;
the connecting device is characterized in that a separable electric connector is respectively arranged in the first sliding block round hole and the second sliding block round hole, a separable electric connecting seat is respectively arranged below the electric connectors, each electric connector comprises an electric connecting column, each electric connecting column comprises a cylindrical connecting column body, an annular sealing ring groove and a pair of annular second conductive ring grooves are formed in the side wall of each connecting column body, a separable sealing ring is arranged in each sealing ring groove, a separable annular second conductive spring is respectively arranged in each second conductive ring groove, each electric connecting seat comprises a flat connecting seat body, a cylindrical connecting cylinder is arranged in each connecting seat body, and an annular locking ring is arranged at the top of each connecting seat body;
when the male connector is connected with the female connector, the first sliding block cylinder of the male connector is inserted into the second sliding block cylinder of the female connector, and the first conductive spring is tightly propped against the inner wall of the second sliding block cylinder.
The double-end connecting device for the battery module of the electric automobile has the following advantages: the first connection slider of the male connector is finely movable in the lateral direction by the first conductive spring. By utilizing the second conductive spring, the electric connector can move slightly in the vertical direction in the electric connection seat, so that reliable electric connection can be kept, and better shock resistance can be kept.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view illustrating a double-headed connection device for an electric vehicle battery module according to the present invention;
fig. 2 is an exploded perspective view of the double-headed connection device for an electric vehicle battery module in fig. 1;
fig. 3 is a schematic perspective view illustrating an upper housing of the double-headed connection device for the battery module of the electric vehicle in fig. 2;
fig. 4 is a schematic perspective view illustrating a lower case of the double-headed connection device for the battery module of the electric vehicle in fig. 2;
fig. 5 is a schematic perspective view illustrating a guide case of the double-headed connection device for an electric vehicle battery module in fig. 2;
FIG. 6 is a schematic perspective view of the guide shell of FIG. 5 from another perspective;
fig. 7 is an exploded perspective view illustrating a male connector of the double-headed connection device for an electric vehicle battery module in fig. 2;
fig. 8 is an exploded perspective view illustrating a female connector of the double-headed connection device for an electric vehicle battery module of fig. 2;
fig. 9 is an exploded perspective view of the electrical connector of the dual-headed connection device for an electric vehicle battery module in fig. 2;
fig. 10 is a schematic perspective view illustrating an electrical connection socket of the dual-headed connection device for an electric vehicle battery module in fig. 2;
fig. 11 is a schematic connection diagram of the double-headed connection device for an electric vehicle battery module according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in fig. 1 to 6, the double-headed connecting device 1 for an electric vehicle battery module includes an upper case 2 and a lower case 3. The upper housing 2 includes a plate-shaped upper substrate 21, wherein two sides of the upper substrate 21 are respectively provided with an upper side plate 22, an inner wall of the upper side plate 22 is respectively provided with a first connecting clamping strip 24 and a pair of second connecting clamping strips 23, and the second connecting clamping strips 23 are located at two sides of the first connecting clamping strip 24. As shown in fig. 3, the outer end of the second connecting clamping strip 23 is further provided with a limiting block to prevent the guiding shell 4 from sliding outwards and falling off; similarly, the two ends of the first connecting clamping strip 2 also extend out of the limiting blocks to prevent the guide shell 4 from sliding further towards the middle. The lower housing 3 comprises an arc-shaped lower base arc plate 30 and a pair of plate-shaped lower side plates 31 arranged in parallel, and the tops of the outer side walls of the lower side plates 31 are respectively provided with a third connecting clamping protrusion 32.
A pair of guide cases 4 is provided between the upper case 2 and the lower case 3. The guide housing 4 includes a plate-shaped guide base plate 41, a guide side plate 42 is disposed on each side of the guide base plate 41, a guide top plate 43 is disposed on the top of the guide base plate 41, a movable notch 47 is disposed on the guide base plate 41, and a notch protrusion 471 is disposed on the edge of the movable notch 47. The inner walls of the guiding side plates 42 are respectively provided with a guiding sliding groove 44, the tops of the outer walls of the guiding side plates 42 are respectively provided with a guiding clamping strip 45, and the inner wall of the guiding top plate 43 is provided with a spring limiting column 46.
A male connector 100 and a female connector 200 which are slidable are provided on the guide housing 4, respectively.
As shown in fig. 7, the male connector 100 includes a first connecting slider 5, the first connecting slider 5 includes an elongated first slider bar 51 and a cylindrical first slider column 52, the first slider bar 51 is provided with a first slider circular hole 53, the head of the first slider bar 51 is provided with a first cylindrical first spring fixing post 54, the first spring fixing post 54 is provided with a first pressure spring 9, the first slider column 52 is provided with a pair of annular first conductive ring grooves 55, and the first conductive ring grooves 55 are respectively provided with a separable annular first conductive spring 8;
as shown in fig. 8, the female connector 200 includes a second connecting slider 12, the second connecting slider 12 includes an elongated second slider bar 121 and a cylindrical second slider cylinder 122, the second slider bar 121 is provided with a second slider circular hole 123, the head of the second slider bar 121 is provided with a cylindrical second spring fixing post 124, and the second spring fixing post 124 is provided with a second pressure spring 11.
The first slider round hole 53 and the second slider round hole 123 are respectively provided with a separable electrical connector 6, and a separable electrical connector 7 is respectively arranged below the electrical connector 6.
As shown in fig. 9, the electrical connector 6 includes an electrical connection post 61, the electrical connection post 61 includes a cylindrical connection cylinder 610, an annular sealing ring groove 611 and a pair of annular second conductive ring grooves 612 are formed on a sidewall of the connection cylinder 610, a separable sealing ring 62 is disposed in the sealing ring groove 611, and a separable annular second conductive spring 63 is disposed in the second conductive ring grooves 612.
As shown in fig. 10, the electrical connector 7 includes a flat connecting seat 71, a cylindrical connecting cylinder 72 is disposed in the connecting seat 71, an annular locking ring 73 is disposed on the top of the connecting seat 71, and a locking slot is formed between the locking ring 73 and the connecting seat 71.
The following describes the assembly and use of the double-ended connector, including the following steps:
1. before the connection operation, a pair of electric connection seats 7 is welded on the battery module in advance;
2. inserting the first slider cylinder 52 of the male connector 100 into the second slider cylinder 122 of the female connector 200, at this time, the first conductive spring 8 is tightly abutted against the inner wall of the second slider cylinder 122;
3. the guide housing 4 is fitted over the first connection slider 5 of the male connector 100 with the tip of the first pressure spring 9 abutting against the spring stopper 46 of the guide housing 4, and then the electrical connector 6 is passed through the movable notch 47 with the top of the electrical connector 6 inserted into the first slider round hole 53 of the male connector 100. Similarly, the top of another electrical connector 6 is inserted into the second slider round hole 123 of the female connector 200. By means of the guide runner 44, the entire first connecting slider 5 can slide freely, the first connecting slider 5 having a tendency to move all the way to the right due to the urging of the first pressure spring 9;
4. the upper housing 2 is pressed down so that the upper housing 2 is simultaneously snap-connected with the lower housing 3 and the guide housing 4. At this time, the first connecting clamping strip 24 of the upper shell 2 buckles the third connecting clamping protrusion 32 of the lower shell 3, and the second connecting clamping strip 23 of the upper shell 2 buckles the guiding clamping strip of the guiding shell 4, so that the connection is firm and reliable;
5. two guiding shells 4 are extruded along the opposite direction at two electric connecting seats 7 led out by two adjacent battery modules, so that the electric connectors 6 move towards the middle and are respectively positioned on the electric connecting seats 7, the whole connecting device is pressed down, and the electric connectors 6 are respectively inserted into the electric connecting seats 7;
6. after the extrusion force of the guide shell 4 is eliminated, the notch protrusions 471 of the guide shell 4 are clamped into the locking grooves below the locking ring 73 of the electric connection base 7 under the extrusion action of the first pressure spring 9 and the second pressure spring 11, locking buckling and pressing connection is achieved, and reliable electric connection of the electric connection head 6 and the electric connection base 7 is guaranteed.
After the male connector 100 is connected to the female connector 200 by the first conductive spring 8, the first connection slider 5 of the male connector 100 can be finely moved in the lateral direction, typically in the range of several millimeters. With the second conductive spring 63, the electrical connector 6 can perform a fine movement in the longitudinal direction in the electrical connector seat 7, typically in the range of a few millimeters. The structure can not only keep reliable electric connection, but also keep better shock resistance. Obviously, the structure is not limited to the annular conductive spring, and a reed or an elastic conductive ball structure can be adopted.
The male connector 100, the female connector 200, the electrical connector 6 and the electrical connector 7 are all made of electrical conductors, and the first conductive spring 8 and the second conductive spring 63 are silver plated springs to improve the electrical conductivity thereof.
In addition, the double-end connecting device is not limited to the connection of the battery module, and can also be used for a high-voltage module or other automobile electronic structures.
Without being limited thereto, any changes or substitutions that are not thought of through the inventive work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (12)

1. A double-end connecting device (1) for electric vehicle battery modules, characterized in that it comprises:
a housing;
the pair of guide shells (4) are arranged on two sides of the shell and are in sliding connection with the shell, and the guide shells (4) are provided with movable notches (47) for connecting the power supply connectors (6) with the electric connection seats;
the male connector and the female connector respectively comprise a connecting slide block, and the two connecting slide blocks are respectively arranged in the guide shell (4) and can slide in the guide shell (4);
the two connecting sliding blocks are electrically connected through the first conductive spring, the reed or the elastic conductive ball;
and the pair of electric connectors (6) are respectively fixed on the connecting sliding block, and the two electric connectors (6) are electrically connected through the connecting sliding block.
2. The double-headed connection device (1) for electric vehicle battery modules according to claim 1, characterized in that: one of the two connecting sliding blocks extends out of the first sliding block cylinder (52) along the opposite directions of the two sliding blocks, the other of the two connecting sliding blocks extends out of the second sliding block cylinder (122) along the opposite directions of the two sliding blocks, the first sliding block cylinder (52) and the second sliding block cylinder (122) are mutually sleeved, and the two electric connectors (6) are electrically connected through the two connecting sliding blocks, the first sliding block cylinder (52) and the second sliding block cylinder (122).
3. The double-headed connection device (1) for electric vehicle battery modules according to claim 2, characterized in that: the outer wall of the first sliding block cylinder body (52) is provided with at least one annular first conductive ring groove (55), the first conductive spring (8) is arranged in the first conductive ring groove (55), and the first sliding block cylinder body (52) and the second sliding block cylinder body (122) are respectively contacted with the first conductive spring (8) after being sleeved.
4. The double-headed connection device (1) for electric vehicle battery modules according to claim 2, characterized in that: the device also comprises a pair of elastic pieces which are respectively arranged in the guide shell (4) and extrude the two connecting sliding blocks along opposite directions.
5. The double-headed connection device (1) for electric vehicle battery modules according to claim 4, characterized in that: the movable notch (47) is provided with a notch projection (471) at least at one side far away from the elastic piece.
6. The double-headed connection device (1) for electric vehicle battery modules according to claim 5, characterized in that: the elastic piece is a pressure spring, and two ends of the pressure spring are respectively connected with a spring limiting column extending out of the inner wall of the guide shell (4) and a spring fixing column extending out of the corresponding position of the connecting slide block.
7. The double-headed connection device (1) for electric vehicle battery modules according to claim 2, characterized in that: the inner wall of the shell and the outer wall of the guide shell (4) are provided with at least one pair of sliding grooves and sliding strips which are matched with each other.
8. The double-headed connection device (1) for electric vehicle battery modules according to claim 7, characterized in that: and at least one pair of sliding grooves and sliding strips which are matched with each other are arranged on the inner wall of the guide shell (4) and the connecting sliding block.
9. The double-headed connection device (1) for electric vehicle battery modules according to claim 2, characterized in that: the electric connector (6) is provided with a connecting cylinder (610) extending from the connecting sliding block to the movable notch (47), the outer wall of the connecting cylinder (610) is provided with at least one annular second conductive ring groove (612), and a second conductive spring (63), a reed or an elastic conductive ball is arranged in the second conductive ring groove (612).
10. The double-headed connection device (1) for electric vehicle battery modules according to claim 9, characterized in that: the outer wall of the connecting cylinder (610) is provided with at least one annular sealing ring groove (611) which is arranged between the second conductive ring groove (612) and the connecting part of the connecting sliding block, and a sealing ring (62) is further arranged in the sealing ring groove (611).
11. The double-ended connection device (1) for electric vehicle battery modules according to any one of claims 1 to 10, further comprising an electrical connection socket (7) having a connection barrel (72), the connection barrel (72) being electrically conductive and detachably plug-connected with the electrical connection head (6).
12. The double-headed connection device (1) for electric vehicle battery modules according to claim 11, characterized in that: the outer wall of the connecting cylinder (72) is provided with a slot matched with a slot protrusion (471) at the position of the movable slot (47), so that the connecting sliding block drives the electric connecting seat (7) inserted by the electric connector (6) to move under the extrusion of the elastic piece, and the slot protrusion (471) is clamped into the slot.
CN201611030396.XA 2016-11-16 2016-11-16 Double-end connecting device for battery module of electric automobile Active CN106328878B (en)

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CN108155496B (en) * 2017-06-23 2020-06-19 上海电巴新能源科技有限公司 Pole assembly, high-voltage component and electric connector
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CN206194840U (en) * 2016-11-16 2017-05-24 上海电巴新能源科技有限公司 A double -end connecting device for batteries of electric vehicle module

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