CN214013304U

CN214013304U - Module output pole structure

Info

Publication number: CN214013304U
Application number: CN202023342577.0U
Authority: CN
Inventors: 徐冬; 单小林; 唐丽娟; 张佳佳
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-20
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a module output electrode structure, which comprises an output electrode socket and an output electrode plug, wherein the output electrode socket comprises an insulating seat body, a socket bus bar which is positioned in the seat body and one end of which extends out of the seat body, and a socket plugging part which is constructed on the seat body, the other end of the socket bus bar is positioned at the socket plugging part, and a fastening fitting piece is arranged at the socket plugging part, the output electrode plug comprises an insulating shell, a plug bus bar which is positioned in the shell body and one end of which extends out of the shell body, and a plug plugging part which is constructed on the shell body, the other end of the plug bus bar is positioned at the plug plugging part, and a fastening piece is arranged at the plug plugging part, the plug plugging part is connected with the socket plugging part in a plugging way, and along with the plugging of the socket bus bar, the plug bus bar forms an electric connection with the socket bus bar, the fastening piece can, so as to fixedly connect the output pole plug and the output pole socket together. The utility model discloses a module output pole structure can promote the security of use.

Description

Module output pole structure

Technical Field

The utility model relates to a power battery wraps technical field, in particular to module output pole structure.

Background

With the increasing severity of environmental issues and energy issues, the development and production of electric vehicles are increasingly emphasized, wherein the safety of the power battery is crucial as a key component of the electric vehicle. Usually, the power battery pack adopts a plurality of modules to be connected in series to increase the electric quantity, and the voltage after the modules are connected in series usually exceeds the human body safety voltage. However, because of the conventional output electrode structure of the module, the design is complex, the required quantity of the manufactured module is large, the manufacturing cost is high, the general performance is poor, the occupied space is large, and the assembly in a narrow space is not facilitated. Therefore, the problems to be solved are to ensure the safety protection of the electrical connection between the modules, and to be suitable for the compact space and high reliability.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a module output electrode structure to improve the safety performance of the module output electrode.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a module output pole structure, the module output pole structure includes an output pole socket and an output pole plug, wherein:

the output pole socket comprises an insulating seat body, a socket bus bar and a socket plugging part, wherein one end of the socket bus bar is positioned in the seat body and extends out of the seat body, the socket plugging part is constructed on the seat body, the other end of the socket bus bar is positioned at the socket plugging part, and a fastening fitting piece is arranged at the socket plugging part;

the output electrode plug comprises an insulated shell, a plug bus bar and a plug plugging part, wherein one end of the plug bus bar is positioned in the shell and extends out of the shell, the plug plugging part is constructed on the shell, the other end of the plug bus bar is positioned at the plug plugging part, and a fastening piece is arranged at the plug plugging part;

the plug insertion part is connected with the socket insertion part in an insertion mode, the plug bus bar is electrically connected with the socket bus bar along with the insertion of the plug insertion part and the socket insertion part, and the fastening piece can be connected with the fastening fitting piece to fixedly connect the output electrode plug and the output electrode socket together.

Furthermore, the socket plugging part is a jack constructed on the seat body, the plug plugging part is a plug constructed on the shell, and the shell is provided with a through hole which penetrates through the plug.

Further, the cross sections of the jack and the plug are circular in matching arrangement.

Furthermore, a positioning part for limiting the relative rotation between the jack and the plug is arranged between the jack and the plug, and the positioning part is configured to position the output pole plug relative to the output pole socket at a plurality of arrangement angles.

Furthermore, the fastening fitting is a nut fixedly connected with the socket bus bar and fixed in the jack, the fastening piece is a bolt positioned in the through hole and penetrating through the plug bus bar, and the plug bus bar is electrically connected with the socket bus bar through the connection between the bolt and the nut.

Furthermore, the nut overcoat be equipped with link firmly in the electricity connecting cover on the socket busbar, in link firmly the ring on the plug busbar the electricity connecting ring that the bolt set up, and along with the bolt with the nut is connected, the electricity connecting ring cup joint in on the electricity connecting cover.

Furthermore, an insulating sleeve is fixedly connected to the top end of the nut, an insulating cover is fixedly connected to the head of the bolt, and a limiting round table for limiting the bolt to be screwed out of the through hole is constructed on the insulating cover.

Further, the casing includes the casing, and with what go up the casing joint links to each other has the lower casing of plug, the plug busbar accept in go up the casing with between the casing down, the perforating hole runs through go up the casing with lower casing setting, and in the top of going up the casing is equipped with the ring the boss that the perforating hole was arranged.

Furthermore, the base body is provided with an installation part for installing the module output pole structure on the module end plate.

Furthermore, the mounting part comprises an insertion column constructed at the bottom of the seat body and/or elastic buckles arranged at two opposite sides of the seat body.

Compared with the prior art, the utility model discloses following advantage has:

(1) module output pole structure, the output pole socket that has insulating pedestal through the setting to and the output pole plug that has insulating housing, and the fastener through setting up links to each other with the fastening fitting piece, not only make plug busbar and socket busbar can have better electricity connection effect, make moreover output pole plug can with output pole socket reliable connection together, thereby can promote the safety in utilization of module output pole structure, and there is better result of use.

(2) The plug is matched with the jack in a plugging mode, the structure is simple, and the technology is mature. In addition, the through hole is beneficial to the installation of the fastener.

(3) The cross-sections of the jacks and the plugs are circular, the structure is simple, and the processing and the forming are convenient.

(4) The locating part can effectively prevent the plug from rotating in the jack, and can realize the location of a plurality of arrangement positions of the output pole plug on the output pole socket.

(5) Through the screw connection matching of the nut and the bolt, the structure is simple, and the connection is firm and reliable.

(6) The electric connecting sleeve and the electric connecting ring are arranged, so that the conduction of current on the socket bus bar and the plug bus bar is facilitated.

(7) Set up insulating cover on the top of nut to and set up insulating boot at the head of bolt, with can effectively prevent to electrocute, and be favorable to improving protection level. In addition, the limiting round platform can play a good limiting role in the installation of the bolt.

(8) The boss that sets up is favorable to cooperating with the spacing round platform on the bolt, prevents that the exposure of busbar and bolt back-out from exposing.

(9) Through the installation department that sets up, the installation of module output pole structure on the module end plate of can being convenient for.

(10) The installation department adopts cartridge post or cartridge post and elasticity buckle, can be convenient for install, and can guarantee the reliability of installation.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an exploded view of a module output electrode structure according to an embodiment of the present invention;

fig. 2 is a bottom view of a module output electrode structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an output electrode socket according to an embodiment of the present invention;

fig. 4 is a front view of an output electrode socket according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view A-A shown in FIG. 4;

fig. 6 is an exploded view of an output pole plug according to an embodiment of the present invention;

fig. 7 is a structural diagram illustrating a first installation state of a module output electrode structure according to an embodiment of the present invention;

fig. 8 is a structural diagram illustrating a second installation state of the module output electrode structure according to an embodiment of the present invention;

fig. 9 is a structural diagram illustrating a third installation state of the module output electrode structure according to the embodiment of the present invention;

description of reference numerals:

1. an output electrode socket; 101. a base body; 102. a nut; 103. an insulating sleeve; 104. an electrical connection sleeve; 105. Inserting a column; 106. elastic buckle; 107. positioning a groove;

2. an output pole plug; 201. an upper housing; 2011. a boss; 2012. a clamping hole; 202. a lower housing; 2021. Positioning blocks; 2022. a clamping block; 203. a bolt; 2031. an insulating cover; 2032. a limiting round table;

10. a jack; 20. a plug; 30. a through hole; 40. a module end plate; 100. a socket bus; 200. a plug bus bar; 2001. an electrical connection ring; 2002. avoiding the groove.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a module output pole structure which is integrally formed and mainly comprises an output pole socket and an output pole plug. The output electrode socket comprises an insulating seat body, a socket bus bar and a socket plugging portion, wherein one end of the socket bus bar is located in the seat body and extends out of the seat body, the socket plugging portion is constructed on the seat body, the other end of the socket bus bar is located at the socket plugging portion, and a fastening fitting piece is arranged at the socket plugging portion.

The output electrode plug comprises an insulating shell, a plug bus bar and a plug plugging part, wherein one end of the plug bus bar is positioned in the shell and extends out of the shell, the plug plugging part is constructed on the shell, the other end of the plug bus bar is positioned at the plug plugging part, and a fastening piece is arranged at the plug plugging part. The plug insertion part is connected with the socket insertion part in an insertion mode, the plug bus bar and the socket bus bar are electrically connected with each other along with the insertion of the plug insertion part and the socket insertion part, and meanwhile the fastening piece can be connected with the fastening fitting piece to fixedly connect the output electrode plug and the output electrode socket together.

The utility model discloses a module output pole structure has the output pole socket of insulating pedestal through the setting to and have insulating casing's output pole plug, and the fastener through setting up links to each other with the fastening fitting piece, not only makes plug busbar and socket busbar can have better electric connection effect, makes the output pole plug can be in the same place with the reliable connection of output pole socket moreover, thereby can promote the safety in utilization of module output pole structure.

An exemplary structure of a module output pole structure of the present embodiment, which includes the output pole socket 1 and the output pole plug 2 as described above, is shown in fig. 1 and 2 based on the above overall structure. Specifically, as shown in fig. 1 and fig. 3 to 5, the output pole socket 1 mainly includes an insulating base 101, a socket bus bar 100, and a socket plug. The base 101 is a zigzag structure, wherein the socket bus 100 is bent into a zigzag shape along with the structure of the base 101 and fixed in the base 101 by an injection molding process, and one end of the socket bus 100 extends out of the base 101 to facilitate connection with an external conductive component.

As shown in fig. 3 to 5, the other end of the socket bus bar 100 is located at the socket insertion portion, and a fastening fitting is disposed at the socket insertion portion, opposite to the one end extending outward. Specifically, the socket plug is a plug hole 10 formed on the base 101, and the fastening mating member is a nut 102 fixedly connected to the socket busbar 100 and fixed in the plug hole 10, as shown in fig. 3 to 5, a hollow cylindrical socket plug is formed on the base 101, and a mounting cavity is formed in the socket plug and constitutes the plug hole 10. The fastening mating member, namely the nut 102, is disposed in a cavity in the receptacle connector and is connected to the receptacle bus 100.

In order to improve the connection effect between the socket bus 100 and the nut 102, the nut 102 of the present embodiment is a special nut 102, and the nut 102 has a cylindrical screw section and a connection convex ring fixedly connected to the screw section and connected to one end of the socket bus 100. The threaded section of the nut 102 is inserted through the mounting hole formed in the receptacle busbar 100, so that the connection collar is in abutting connection with the receptacle busbar 100, thereby connecting the receptacle busbar 100 and the nut 102.

In this embodiment, the screw-threaded section of the nut 102 is sleeved with an electrical connection sleeve 104 fixedly connected to the socket bus bar 100, and an end surface of the electrical connection sleeve 104 abutting against the base bus bar has an outward-expanding convex edge, so that an abutting area against the base bus bar can be increased, connection reliability can be improved, and high-volume current carrying can be borne. It should be noted that the material of the electrical connection sleeve 104 is preferably copper or aluminum, and other conductive materials besides copper or aluminum can be used.

In addition, in order to prevent the hand from contacting the conductive member during the insertion operation, an insulating sleeve 103 is fixedly connected to the top end of the nut 102, wherein the outer diameter of the insulating sleeve 103 is larger than the inner diameter of the electrical connection sleeve 104, and the insulating sleeve 103 has a portion extending outside the socket plug body, so that on one hand, the electrical connection with the output electrode plug 2 is facilitated, and on the other hand, the electrical connection sleeve 104 can be limited to a certain extent to prevent the electrical connection sleeve 104 from coming out of the jack 10.

It should be noted that, the socket bus bar 100 is connected to the connection convex ring of the nut 102 by riveting, then the electrical connection sleeve 104 is installed on the nut 102, and then the insulation sleeve 103 is fixed to the top end of the nut 102 by bonding or injection molding, so that the socket bus bar 100, the nut 102, the electrical connection sleeve 104 and the insulation sleeve 103 form a bus bar assembly, and finally the bus bar assembly is embedded into the base 101 by injection molding or other processes. The structure can reduce the number of used dies, and can save the installation space so as to install in a narrow space.

In order to facilitate the installation of the module output pole structure on an external member, such as the module end plate 40, in this embodiment, an installation portion for installing the module output pole structure on the module end plate 40 is provided on the base 101. Specifically, as shown in fig. 1 to 5, the mounting portion includes a plug-in post 105 configured at the bottom of the seat 101, and elastic buckles 106 disposed at two opposite sides of the seat 101. The cross section of the plug-in column 105 is triangular and matches with the cavity on the module end plate 40, so that the reliability of the connection between the base 101 and the module end plate 40 can be ensured. In addition, the elastic buckle 106 is elastically abutted against the module end plate 40, so that the connection effect between the base 101 and the module end plate 40 can be further improved.

It should be noted that the mounting portion of the present embodiment can also be the insertion column 105 only disposed on the base 101 or the elastic buckle 106 only disposed on two opposite sides of the base 101.

The output pole plug 2 of the present embodiment is structured as shown in fig. 1 and 6, and the output pole plug 2 includes an insulative housing, a plug bus bar 200, and a plug mating part. The plug bus bar 200 is located in the housing, one end of the plug bus bar extends out of the housing, the other end of the plug bus bar is located in the plug insertion portion, the plug insertion portion is constructed on the housing, a fastening piece is arranged at the plug insertion portion, the plug insertion portion is connected with the socket insertion portion in an insertion mode, the plug bus bar 200 and the socket bus bar 100 are electrically connected and conducted along with the insertion of the plug insertion portion and the socket insertion portion, and meanwhile the fastening piece can be connected with a fastening fitting piece, so that the output electrode plug 2 and the output electrode socket 1 are fixedly connected together.

The plug insertion part is a plug 20 formed on the housing, and in order to facilitate the mounting of the fastener, a through hole 30 is formed in the housing so as to penetrate the plug 20. In a specific structure, as shown in fig. 1 and fig. 6, the housing includes an upper housing 201, and a lower housing 202 having the plug 20 and connected to the upper housing 201 in a snap-fit manner, the plug bus bar 200 is accommodated between the upper housing 201 and the lower housing 202, and the through hole 30 is disposed through the upper housing 201 and the lower housing 202, so that a fastening member can pass through the through hole 30 to be connected to the fastening mating member.

In order to facilitate the connection between the upper casing 201 and the lower casing 202, in this embodiment, a clamping block 2022 is disposed on one of the upper casing 201 and the lower casing 202, and a clamping hole 2012 for clamping the clamping block 2022 is disposed on the other of the upper casing 201 and the lower casing 202 corresponding to the clamping block 2022, so that the plug bus bar 200 is fixedly accommodated between the upper casing 201 and the lower casing 202 by the clamping connection between the clamping block 2022 and the clamping hole 2012. Specifically, as shown in fig. 6, the clamping block 2022 is formed on the lower housing 202, the clamping hole 2012 is formed on the upper housing 201, and in order to facilitate the installation and positioning of the plug bus bar 200, in this embodiment, the two opposite sides of the plug bus bar 200 corresponding to the clamping block 2022 are provided with the avoiding groove 2002, so as to facilitate the installation of the plug bus bar 200, and at the same time, the plug bus bar 200 can also be limited to a certain extent.

As one of the preferred embodiments of this embodiment, the cross section of the plug 20 of the jack 10 of this embodiment is a circular shape that is disposed in a matching manner, which is simple in structure and convenient for manufacturing, and the plug 20 and the jack 10 are adopted for insertion and fit, so that the structural design of the module output electrode is more compact and the installation is convenient.

In order to prevent the rotation of the plug 20 and the socket 10, in the present embodiment, a positioning portion is provided between the socket 10 and the plug 20 for limiting the relative rotation therebetween, and the positioning portion is configured to position the output pole plug 2 at a plurality of arrangement angles with respect to the output pole socket 1. Specifically, as shown in fig. 1 to 6, the positioning portion specifically includes a plurality of positioning blocks 2021 formed on the plug 20 and arranged along the circumference of the plug 20, and a plurality of positioning grooves 107 are configured on the socket plug body corresponding to the positioning blocks 2021, and the positioning blocks 2021 are connected to different positioning grooves 107 in an insertion manner, so that the output electrode plug 2 can be positioned on the output electrode socket 1 at a plurality of arrangement angles, that is, in the state shown in fig. 7 to 9, and has a better positioning effect at different arrangement angles.

It should be noted here that the positions and the corresponding number of the positioning blocks 2021 and the positioning grooves 107 are not limited, and the positioning blocks 2021 may be arranged at different angles with respect to the output electrode due to the insertion into different positioning grooves 107.

In addition, the fastening member of the present embodiment is specifically a bolt 203 located in the through hole 30 and penetrating through the plug bus bar 200, and the plug bus bar 200 and the receptacle bus bar 100 are electrically connected through the connection between the bolt 203 and the nut 102, and the electrical connection is firmer and more reliable.

In order to facilitate the electrical connection with the electrical connection sleeve 104 on the socket bus bar 100, in this embodiment, an electrical connection ring 2001 provided with a ring bolt 203 is fixedly connected to the plug bus bar 200, so that the electrical connection ring 2001 can be sleeved on the electrical connection sleeve 104 along with the connection between the bolt 203 and the nut 102, thereby making the electrical connection between the socket bus bar 100 and the plug bus bar 200 more reliable.

In order to improve the protection effect and prevent the hand of a person from directly touching the conductor, the top end of the nut 102 is fixedly connected with the insulating sleeve 103, and the head of the bolt 203 is fixedly connected with the insulating cover 2031, so as to further improve the protection level. Meanwhile, a stopper round table 2032 for restricting the bolt 203 from being screwed out of the through hole 30 is formed in the insulating cover 2031. Further, a boss 2011 having a ring through hole 30 is provided on the top of the upper case 201, and the stopper round table 2032 is fitted into the through hole 30 formed in the boss 2011.

In this embodiment, the plug bus bar 200 and the bolt 203 can be better blocked by the limiting circular

truncated cones

2032 and 2011, so as to prevent the exposure of the plug bus bar 200 and the exposure of the bolt 203 during screwing out, thereby further improving the protection level.

The module output pole structure of this embodiment is fixed in on pedestal 101 through socket busbar 100 injection moulding to and plug busbar 200 inlays and adorns in the casing, can make the appearance overall dimension of this module output pole structure accomplish lessly, save installation space, thereby be convenient for install in narrow and small space, and satisfy IPXXB protection level. In addition, the structure not only enables the plug bus bar 200 and the socket bus bar 100 to have better electric connection effect, but also enables the output pole plug 2 to be reliably connected with the output pole socket 1, thereby improving the use safety of the module output pole structure and having better use effect.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a module output pole structure which characterized in that: the module output pole structure includes output pole socket (1) and output pole plug (2), wherein:

the output electrode socket (1) comprises an insulating base body (101), a socket bus bar (100) which is positioned in the base body (101) and one end of which extends out of the base body (101), and a socket plugging part which is constructed on the base body (101), wherein the other end of the socket bus bar (100) is positioned at the socket plugging part, and a fastening fitting piece is arranged at the socket plugging part;

the output electrode plug (2) comprises an insulating shell, a plug bus bar (200) and a plug plugging part, wherein one end of the plug bus bar (200) is positioned in the shell and extends out of the shell, the plug plugging part is constructed on the shell, the other end of the plug bus bar (200) is positioned at the plug plugging part, and a fastening piece is arranged at the plug plugging part;

the plug inserting part is connected with the socket inserting part in an inserting mode, the plug bus bar (200) is electrically connected with the socket bus bar (100) along with the inserting of the plug inserting part and the socket inserting part, and the fastening piece can be connected with the fastening fitting piece to fixedly connect the output electrode plug (2) and the output electrode socket (1).

2. The modular output pole structure of claim 1, wherein: the socket plugging part is a jack (10) constructed on the base body (101), the plug plugging part is a plug (20) constructed on the shell, and a through hole (30) which penetrates through the plug (20) is arranged on the shell.

3. The modular output pole structure of claim 2, wherein: the cross sections of the jack (10) and the plug (20) are circular in matching arrangement.

4. The modular output pole structure of claim 3, wherein: a positioning part for limiting the relative rotation between the jack (10) and the plug (20) is arranged between the jack and the plug, and the positioning part is configured to position the output pole plug (2) relative to the output pole socket (1) on a plurality of arrangement angles.

5. The modular output pole structure of claim 2, wherein: the fastening fitting is a nut (102) fixedly connected with the socket bus bar (100) and fixed in the jack (10), the fastening piece is a bolt (203) positioned in the through hole (30) and penetrating through the plug bus bar (200), and the plug bus bar (200) is electrically connected with the socket bus bar (100) through connection between the bolt (203) and the nut (102).

6. The modular output pole structure of claim 5, wherein: the socket comprises a socket bus bar (100), a nut (102) and a plug bus bar (200), wherein an electric connecting sleeve (104) fixedly connected to the socket bus bar (100) is sleeved outside the nut (102), an electric connecting ring (2001) arranged on a bolt (203) is fixedly connected to the plug bus bar (200), the bolt (203) is connected with the nut (102), and the electric connecting ring (2001) is sleeved on the electric connecting sleeve (104).

7. The modular output pole structure of claim 5, wherein: an insulating sleeve (103) is fixedly connected to the top end of the nut (102), an insulating cover (2031) is fixedly connected to the head of the bolt (203), and a limiting circular truncated cone (2032) for limiting the bolt (203) to be screwed out of the through hole (30) is constructed on the insulating cover (2031).

8. The modular output pole structure of claim 2, wherein: the casing includes casing (201), and with what go up casing (201) joint links to each other has lower casing (202) of plug (20), plug busbar (200) accept in go up casing (201) with down between casing (202), perforating hole (30) run through go up casing (201) with casing (202) set up down, and in the top of going up casing (201) is equipped with the ring boss (2011) that perforating hole (30) were arranged.

9. The modular output pole structure of any one of claims 1 to 8, wherein: and the base body (101) is provided with an installation part for installing the module output electrode structure on the module end plate (40).

10. The modular output pole structure of claim 9, wherein: the mounting part comprises a plug-in column (105) constructed at the bottom of the seat body (101) and/or elastic buckles (106) arranged at two opposite sides of the seat body (101).