CN215911541U

CN215911541U - Fixed structure of module plug-in and battery pack

Info

Publication number: CN215911541U
Application number: CN202122388474.6U
Authority: CN
Inventors: 薛晨; 亢策策
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-25
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a fixing structure of a module plug-in and a battery pack. The fixing structure of the module plug-in comprises: a plug-in support, the plug-in support has a first clamping part and a second clamping part; a module end plate, The module end plate has a first matching piece, and the first clamping piece is snap-fitted with the first matching piece; the module sampling assembly has a second matching piece, so the module sampling assembly has a second matching piece. The second snap-fit piece is snap-fitted with the second fitting piece. According to the fixing structure of the module plug-in according to the embodiment of the present invention, by providing two clamping parts, the plug-in bracket is clamped with the module end plate and the module sampling assembly respectively, which can reduce the shaking situation and improve the overall structure. stability, thereby ensuring the stability of module voltage and temperature sampling.

Description

Fixing structure of module plug-in and battery pack

Technical Field

The utility model relates to the technical field of batteries, in particular to a fixing structure of a module plug-in and a battery pack.

Background

In the related art, a fixed low-voltage plug-in structure in a bus bar support assembly usually extends into an end plate cavity through a columnar structure, so that the limit in the horizontal direction is realized, however, the position of the plug-in of a module still has the shaking condition after installation, and further the cracking risk of the plug-in of the module, the open welding risk of the welding position of an FPCpin pin, the welding risk of a nickel sheet close to the plug-in position and the welding risk of the bus bar exist, and an improved space exists.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a fixing structure of a module card, which has a good stability.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a fixing structure of a module card, comprising: the plug-in support is provided with a first clamping piece and a second clamping piece; the module end plate is provided with a first matching piece, and the first clamping piece is clamped and matched with the first matching piece; the module sampling assembly, the module sampling assembly has the second fitting piece, the second joint spare with the cooperation of second fitting piece joint.

According to the fixing structure of the module plug-in unit, the bottom of the plug-in unit support is provided with the downward extending clamping hook, the clamping hook forms the first clamping piece, the module end plate is provided with the slot with the upward opening, the first matching piece forms the clamping protrusion protruding out of the side wall of the slot, and the clamping hook is suitable for being connected to the slot in an inserting mode and clamped with the clamping protrusion.

In some embodiments, the two hooks are arranged at intervals, the hook heads of the two hooks are arranged at the back, and the two opposite side walls of the slot are respectively provided with the clamping protrusions.

In some embodiments, the first clamping pieces comprise two parts, and the two parts are connected through a connecting rib.

According to the fixing structure of the module plug-in, the plug-in support is provided with the mounting cavity, the second clamping piece is provided with the clamping protrusion extending into the mounting cavity, the second matching piece is provided with the mounting hole, and the clamping protrusion is suitable for being clamped into the mounting hole when the module sampling assembly is matched with the plug-in support.

In some embodiments, the side wall of the plug-in support is provided with an avoiding notch and a connecting piece, one end of the connecting piece extends to the edge of the avoiding notch, and the second clamping piece is arranged at the other end of the connecting piece.

In some embodiments, a portion of the modular sampling assembly is adapted to be inserted into the mounting cavity from top to bottom, and the upper side of the snap projection is formed with a guide surface.

In some embodiments, the second clamping member is disposed on a side surface of the mounting cavity close to the module end plate.

According to the fixing structure of the module plug-in unit, the module sampling assembly comprises the flexible circuit board and the reinforcing plate, the reinforcing plate is arranged at one end of the flexible circuit board and is suitable for being plugged into the installation cavity, the second matching piece is formed on the reinforcing plate, the contact pin of the module plug-in unit is welded to the reinforcing plate, and the module plug-in unit and the flexible circuit board are welded and kept connected with the copper wire through the pin needle.

Compared with the prior art, the fixing structure of the module plug-in has the following advantages:

according to the fixing structure of the module plug-in, the plug-in support is respectively connected with the module end plate and the module sampling assembly in a clamping mode through the two clamping pieces, so that the shaking condition can be reduced, the stability of the whole structure is improved, and the voltage and temperature sampling stability of the module is further ensured.

Another object of the present invention is to provide a battery pack including a fixing structure of the module insert according to an embodiment of the present invention.

Compared with the prior art, the battery pack has the same advantages as the fixing structure of the module plug-in unit, and the description is omitted.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of a fixing structure of a module card according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1;

FIG. 3 is an exploded view of a mounting structure of a modular insert according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the structure B of FIG. 3;

FIG. 5 is a partial structural view of a fixing structure of a module card according to an embodiment of the present invention;

fig. 6 is an enlarged view of the structure C of fig. 5.

Description of reference numerals:

the fixing structure 100 of the module insert is,

the plug-in component support 10, the installation cavity 101, the first clamping piece 11, the second clamping piece 12, the guide surface 121, the connecting rib 13, the avoiding notch 14, the connecting piece 15,

the module end plate 20, the first mating member 21, the insertion groove 22,

a modular sampling assembly 30, a reinforcing plate 301, and a second fitting 31.

Detailed Description

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

The present invention will be described in detail with reference to fig. 1 to 6 in conjunction with examples.

The fixing structure 100 of the module card according to the embodiment of the present invention includes: plug-in components support 10, module end plate 20 and module sampling assembly 30, plug-in components support 10 have first joint spare 11 and second joint spare 12, and module end plate 20 has first fitting piece 21, and first joint spare 11 cooperates with first fitting piece 21 joint, and module sampling assembly 30 has second fitting piece 31, and second joint spare 12 cooperates with second fitting piece 31 joint.

According to the fixing structure 100 of the module plug-in unit, the plug-in unit support 10 is respectively connected with the module end plate 20 and the module sampling assembly 30 in a clamping mode through the two clamping pieces, so that the shaking condition can be reduced, the stability of the whole structure is improved, and the voltage and temperature sampling stability of the module is further ensured.

As shown in fig. 1-4, according to an embodiment of the present invention, the bottom of the card support 10 has a downwardly extending hook, the hook forms the first fastening member 11, the module end plate 20 has a slot 22 with an upward opening, the first mating member 21 forms a fastening protrusion protruding from a sidewall of the slot 22, the hook can be inserted into the slot 22 from top to bottom, and a hook head of the hook is fastened to the fastening protrusion, so that the displacement of the card support 10 in the vertical direction can be limited, and the structural stability can be improved. Wherein, first joint spare 11 can include two, and two first joint spares 11 are connected through splice bar 13, can improve the structural strength of first joint spare 11 on the one hand, and on the other hand can improve complex reliability and stability.

As shown in fig. 4 and 6, according to an embodiment of the present invention, the two hooks are spaced apart from each other, the hook heads of the two hooks are disposed opposite to each other, and correspondingly, the two opposite sidewalls of the slot 22 are respectively provided with a locking protrusion, so that when the card holder 10 and the module end plate 20 are engaged, the two hooks and the locking protrusions are engaged, thereby improving the engaging reliability.

As shown in fig. 6, in some specific examples, the hooks include two hooks arranged at intervals, the two hooks are connected by the connecting rib 13, the two hooks and the connecting rib 13 may be integrally formed, and may also be integrally formed on the card support 10, and the card support 10 may be injection molded, so as to improve the stability of the hooks, and further improve the reliability and stability of the fit.

As shown in fig. 4 and 6, according to an embodiment of the present invention, the card holder 10 has a mounting cavity 101, the second engaging member 12 forms a locking protrusion extending into the mounting cavity 101, and the second engaging member 31 forms a mounting hole, so that when the module sampling assembly 30 is engaged with the card holder 10, the locking protrusion can be locked and engaged with the mounting hole, thereby achieving the engagement of the card holder 10 and the module sampling assembly 30, and facilitating the connection.

As shown in fig. 6, in some specific examples, the side wall of the card holder 10 has a relief notch 14 and a connecting member 15, one end of the connecting member 15 can extend to the edge of the relief notch 14, and the second snap-in member 12 is disposed at the other end of the connecting member 15, so that the relief notch 14 and the connecting member 15 are deformed to some extent to facilitate the mounting and dismounting.

In one specific example, a portion of the modular sampling assembly 30 may be inserted into the mounting cavity 101 from the top down, thereby providing a guide surface 121 on the upper side of the snap to facilitate mounting engagement. If the modular sampling assembly 30 is installed in the installation cavity 101 from the left or right side, a guide surface 121 may be provided on the left or right side of the snap projection to facilitate assembly.

It can be understood that the adjacent both sides side of installation cavity 101 is open structure, and second joint spare 12 sets up the side that is close to module end plate 20 in installation cavity 101, can avoid second joint spare 12 and connecting piece 15 to expose, also can avoid taking place to interfere the condition etc. improves overall structure's stability.

As shown in fig. 1-6, according to an embodiment of the present invention, the module sampling assembly 30 includes a flexible circuit board and a reinforcing plate 301, the reinforcing plate 301 is disposed at one end of the flexible circuit board, the reinforcing plate 301 is adapted to be inserted into the mounting cavity 101, and the second fitting member 31 is formed on the reinforcing plate 301.

As shown in fig. 4 and 6, two adjacent side surfaces of the installation cavity 101 are both of an open structure, the reinforcing plate 301 can enter the installation cavity 101 from the open structure, the reinforcing plate 301 is provided with an installation hole, and the reinforcing plate 301 is fixed in the installation cavity 101 by clamping the clamping protrusion arranged in the installation cavity 101 with the installation hole. It is conceivable that the other two sides of the mounting cavity 101 form a connection structure, and the connection structure may be a plane or a column connection, which not only can ensure the structural strength, but also is beneficial to the heat dissipation requirement of each component in the rectangular cavity.

Wherein, the contact pin welding of module plug-in components is to stiffening plate 301, module plug-in components and flexible circuit board pass through pin needle and copper line welding and keep being connected, can understand, the spout that removes about limiting stiffening plate 301 in the installation cavity 101, the contact pin of module plug-in components is through welding with stiffening plate 301, realize module plug-in components spacing in the left and right sides orientation, and the lateral wall of installation cavity 101 can restrict module plug-in components position in the front and back orientation, the cooperation of the protruding and mounting hole of card on plug-in components support 10, can restrict the displacement of module plug-in components in upper and lower direction, realize module plug-in components from this, module sampling assembly 30 is fixed in a plurality of orientations.

In addition, the card holder 10 may be integrally formed at one end of the bus bar holder to improve mounting accuracy and mounting convenience. Wherein, the busbar sets up on the busbar support, and busbar and electric core utmost point post can pass through the nickel piece welding, and the nickel piece passes through laser welding with the busbar and is connected to can restrict the removal of plug-in components support 10 on electric core utmost point post direction of height, thereby can realize plug-in components support 10 around, about and the removal of upper and lower side, realize the structural mounting. Therefore, the shaking of the plug-in support 10 can be reduced, the cracking of the connection position of the module plug-in is avoided, the open welding of the FPC and the plug-in welding position is avoided, the open welding of the nickel sheet and the bus welding position can be avoided, and the stability of the whole structure is improved.

According to the battery pack provided by the embodiment of the utility model, the fixing structure 100 of the module plug-in is included, and by adopting the fixing structure, the plug-in support 10 is respectively clamped with the module end plate 20 and the module sampling assembly 30, so that the shaking condition can be reduced, the stability of the whole structure is improved, the voltage and temperature sampling stability of the module is further ensured, and the safety and stability of the whole battery pack and the whole vehicle can be further ensured.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A fixing structure (100) of a module card, comprising:

a card holder (10), the card holder (10) having a first snap-in part (11) and a second snap-in part (12);

the module end plate (20), the module end plate (20) has the first fitting piece (21), the first clamping piece (11) is clamped and matched with the first fitting piece (21);

module sampling assembly (30), module sampling assembly (30) have second fitting piece (31), second joint spare (12) with second fitting piece (31) joint cooperation.

2. The fixing structure (100) of the module card according to claim 1, wherein the bottom of the card holder (10) has a downwardly extending hook, the hook forms the first clamping member (11), the module end plate (20) has a slot (22) with an upward opening, the first fitting member (21) forms a clamping protrusion protruding out of the side wall of the slot (22), and the hook is adapted to be inserted into the slot (22) and clamped with the clamping protrusion.

3. The fixing structure (100) of the module card according to claim 2, wherein the hooks comprise two spaced hooks, the hook heads of the two hooks are arranged oppositely, and the two opposite side walls of the slot (22) are respectively provided with the locking protrusions.

4. The fixing structure (100) of a module insert according to claim 2 or 3, wherein the first snap-in members (11) comprise two, and the two first snap-in members (11) are connected by a connecting rib (13).

5. The module card fixing structure (100) according to claim 1, wherein the card holder (10) has a mounting cavity (101), the second snap-in element (12) forms a snap-in projection extending into the mounting cavity (101), and the second mating element (31) forms a mounting hole, the snap-in projection being adapted to snap into the mounting hole when the module sampling assembly (30) is mated with the card holder.

6. The fixing structure (100) of the module card according to claim 5, wherein the side wall of the card holder has an escape notch (14) and a connecting piece (15), one end of the connecting piece (15) extends to the edge of the escape notch (14), and the second clamping piece (12) is arranged at the other end of the connecting piece (15).

7. The modular card securing structure (100) according to claim 5, wherein a portion of the modular sampling assembly (30) is adapted to be inserted into the mounting cavity (101) from above downwards, the upper side of the snap being formed with a guide surface (121).

8. The fixing structure (100) of a module insert according to claim 5, wherein the second snap-in member (12) is provided on a side surface of the mounting cavity (101) close to the module end plate (20).

9. The fixing structure (100) of the module plug-in unit of claim 5, wherein the module sampling assembly (30) comprises a flexible circuit board and a reinforcing plate (301), the reinforcing plate (301) is disposed at one end of the flexible circuit board, the reinforcing plate (301) is suitable for being plugged into the mounting cavity (101), the second fitting member (31) is formed on the reinforcing plate (301), a pin of the module plug-in unit is welded to the reinforcing plate (301), and the module plug-in unit and the flexible circuit board are welded and kept connected with a copper wire through a pin.

10. A battery pack, characterized by comprising the fixing structure (100) of the module insert according to any one of claims 1-9.