CN114188671A

CN114188671A - Busbar installation mistake proofing frock

Info

Publication number: CN114188671A
Application number: CN202111474282.5A
Authority: CN
Inventors: 郑纯麒; 任建军; 周林
Original assignee: GAC Aion New Energy Automobile Co Ltd
Current assignee: GAC Aion New Energy Automobile Co Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-03-15

Abstract

The application provides a busbar installation mistake proofing frock relates to the power battery field. Busbar installation mistake proofing frock includes main part and a plurality of first blockings piece. The main body is provided with a first end face, and the main body is used for being placed above the plurality of battery cells, so that the first end face is located between the positive electrode terminal and the negative electrode terminal in the first direction. The plurality of first blocking pieces are arranged along the second direction and connected to the first end face. And a mounting area is formed between every two adjacent first blocking pieces and is used for accommodating the adjacent positive terminal and the negative terminal which are connected with the bus bar. The first direction is perpendicular to the second direction. This busbar installation mistake proofing frock is placed on a plurality of electric cores for the positive terminal and the negative terminal of a plurality of electric cores expose, form the installing zone through a plurality of first blockings, be the positive terminal and the negative terminal that need the busbar to connect promptly in the installing zone, and first blockings can prevent that the busbar from falling to the wrong position, is difficult for makeing mistakes when the busbar is installed like this.

Description

Busbar installation mistake proofing frock

Technical Field

The application relates to the field of power batteries, in particular to a busbar installation mistake proofing frock.

Background

The new energy automobile becomes a new development trend of the automobile industry, the power battery is used as an indispensable power core of the new energy automobile, and the voltage and the capacity of the power battery determine the cruising ability of the new energy automobile. At present, a module with a plurality of battery cores connected in series is adopted as a component of the power battery, and the plurality of battery cores are connected into a series circuit through a busbar so as to realize higher output voltage and electric quantity. The module type on the current market is various, and the shape size is nimble changeable, and power battery design is diversified, and this just leads to module series circuit trend complicacy changeable, because need carry out a large amount of artifical wiring when the busbar installation, produces the misconnection easily. Once misconnection occurs, the module is short-circuited and sparks if light, and the module is ignited and exploded if heavy.

Disclosure of Invention

An object of the embodiment of the application is to provide a busbar installation mistake proofing frock, which aims at improving the problem that the busbar is easy to make mistakes during installation in the related art.

In a first aspect, an embodiment of the present application provides a busbar installation mistake proofing frock, and this busbar installation mistake proofing frock is used for assisting the busbar to connect in a plurality of electric cores, and electric core has positive terminal and the negative terminal of arranging along the first direction. Busbar installation mistake proofing frock includes main part and a plurality of first blockings piece. The main body is provided with a first end face, and the main body is used for being placed above the plurality of battery cells, so that the first end face is located between the positive electrode terminal and the negative electrode terminal in the first direction. The plurality of first blocking pieces are arranged along the second direction and connected to the first end face. And a mounting area is formed between every two adjacent first blocking pieces and is used for accommodating the adjacent positive terminal and the negative terminal which are connected with the bus bar. The first direction is perpendicular to the second direction.

In the technical scheme, the busbar installation mistake-proofing tool is placed on the plurality of electric cores, so that the positive terminals and the negative terminals of the plurality of electric cores are exposed, the installation area is formed by the first blocking pieces, the positive terminals and the negative terminals which need to be connected by the busbar are arranged in the installation area, and the first blocking pieces can prevent the busbar from falling to wrong positions, so that the busbar is not easy to make mistakes during installation.

As an optional solution of the embodiment of the present application, the main body has a second end face opposite to the first end face in the first direction. The second end surface is formed with a plurality of notches for receiving adjacent positive and negative terminals for connection to the bus bar. Busbar installation mistake proofing frock includes that the second stops, and the second stops connecting in the main part and lies in between two adjacent breachs on the second direction.

In above-mentioned technical scheme, through forming the breach on the second terminal surface to hold adjacent and be used for the positive terminal and the negative terminal that link to each other with the busbar, give operating personnel busbar installation suggestion, make operating personnel be difficult for connecing the busbar wrong. In addition, through set up the second and block the piece between two adjacent breachs, under the second blocks blockking, operating personnel can not set up the busbar between two breach to prevent operating personnel from dropping the busbar to wrong position, further reduced the possibility of making mistakes when operating personnel installs the busbar.

As an alternative solution to the embodiment of the present application, the second blocking member is connected to the upper surface of the main body.

In above-mentioned technical scheme, through connecting the second to stop the piece in the upper surface of main part, on the one hand, the installation second of being convenient for stops the piece, and on the other hand has better effect of stopping.

As an optional technical solution of the embodiment of the present application, the first blocking member is adhered or screwed to the main body.

In the technical scheme, the first barrier is connected with the main body in a bonding or screwing mode, so that the structure is simple and convenient, easy to operate and low in manufacturing cost.

As an optional technical scheme of this application embodiment, busbar installation mistake proofing frock includes the spiro union piece, and the material of spiro union piece is insulating material, and first blockking piece passes through the spiro union piece spiro union in the main part.

In above-mentioned technical scheme, adopt the spiro union piece that insulating material made to connect first blockking piece and main part, avoid when operating the spiro union piece and positive terminal and negative terminal misconnection to produce danger.

As an optional technical scheme of this application embodiment, busbar installation mistake proofing frock includes location structure, and location structure connects in the main part, and location structure is used for with the position of electric core butt with the location main part on electric core.

In the technical scheme, the position of the main body on the battery cell is convenient to position by arranging the positioning structure, so that the position accuracy of the plurality of first blocking parts is ensured.

As an optional technical solution of the embodiment of the present application, the positioning structure includes a plurality of positioning members, and the plurality of positioning members are arranged along a circumferential direction of the main body and connected to the main body.

In the technical scheme, the positioning effect is good, the structure is simple and reliable, and the production cost is low by arranging the positioning pieces on the main body for auxiliary positioning.

As an optional technical solution of the embodiment of the present application, the positioning element extends along the third direction, so that the side surface of the positioning element can abut against the corner of the battery cell. The first direction, the second direction and the third direction are vertical to each other.

In above-mentioned technical scheme, extend along the third direction through making the setting element to the side of setting element can the butt in the corner of electric core, in order to realize better location effect.

As an optional technical solution of the embodiment of the present application, the busbar installation mistake proofing tool includes a protection piece, and the protection piece is used for shielding corners of the main body and the first blocking piece.

In the technical scheme, the protection piece is arranged to shield the corners of the main body and the first blocking piece, so that the corners of the main body and the first blocking piece are prevented from cutting an operator in the operation process.

As an optional technical scheme of the embodiment of the application, the main body and the first blocking piece are made of insulating materials.

In above-mentioned technical scheme, adopt insulating material to make main part and first barrier, avoid main part or first barrier and positive terminal and negative terminal misconnection when carrying out the operation to produce danger.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a busbar installation error-proofing tool provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram illustrating that a busbar installation mistake proofing tool provided in the embodiment of the present application is placed above a plurality of battery cells.

Icon: 10, installing a mistake-proofing tool for the busbar; 100-a body; 110-a first end face; 120-a second end face; 121-notch; 200-a first barrier; 210-a mounting area; 300-a second barrier; 400-a positioning structure; 410-a positioning member; 510-positive terminal; 520-negative terminal; 600-bus bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural diagram of a busbar installation error-proofing tool 10 according to an embodiment of the present disclosure. Fig. 2 is a schematic structural diagram illustrating that the busbar installation error-proofing tool 10 provided in the embodiment of the present application is placed above a plurality of battery cells. The present embodiment provides a busbar mounting error-proofing tool 10, where the busbar mounting error-proofing tool 10 is used to assist a busbar 600 to be connected to a plurality of battery cells, and each battery cell has a positive terminal 510 and a negative terminal 520 arranged along a first direction (e.g., a direction shown in fig. 1 and 2). The busbar installation error-proofing tool 10 includes a main body 100 and a plurality of first blocking pieces 200. The body 100 has a first end surface 110, and the body 100 is configured to be placed over a plurality of battery cells such that the first end surface 110 is located between the positive terminal 510 and the negative terminal 520 in the first direction. The plurality of first barriers 200 are arranged in the second direction (the B direction shown in fig. 1 and 2) and connected to the first end surface 110. A mounting area 210 is formed between each adjacent two of the first barriers 200, and the mounting area 210 serves to receive a positive terminal 510 and a negative terminal 520 that are adjacent and serve to be connected to the bus bar 600. The first direction is perpendicular to the second direction.

This busbar installation mistake proofing frock 10 is placed on a plurality of electric cores for positive terminal 510 and the negative terminal 520 of a plurality of electric cores expose, form the installing zone 210 through a plurality of first blockings 200, be the positive terminal 510 and the negative terminal 520 that need busbar 600 to connect promptly in the installing zone 210, and first blockings 200 can prevent that busbar 600 from falling to wrong position, is difficult for making mistakes when busbar 600 installs like this.

Referring to fig. 1 and fig. 2, the main body 100 is a plate, and the material of the main body 100 may be selected from insulating materials such as hollow plate, nylon, hardened polyurethane, and bakelite. In the present embodiment, the main body 100 is made of a hollow plate. On one hand, the hollow plate has small mass, and the busbar installation mistake-proofing tool 10 is convenient to take and move. On the other hand, the hollow plate has a good insulating property, and it is possible to prevent the main body 100 from being erroneously contacted with the positive terminal 510 and the negative terminal 520 during operation, thereby causing a danger. In addition, the cost of the hollow plate is low, which is beneficial to reducing the manufacturing cost of the busbar installation mistake-proofing tool 10.

Of course, the body 100 may be a rectangular plate, a circular plate, or other polygonal plates. The shape of the main body 100 may be determined according to the arrangement of the plurality of battery cells, the shape and size of the battery cells, and the trend of the bus bar 600.

Referring to fig. 1 and fig. 2, an end surface of one end of the main body 100 in the first direction is a first end surface 110, and the first end surface 110 is located between the positive terminal 510 and the negative terminal 520 in the first direction. In other words, the main body 100 is configured to be placed above the plurality of battery cells, and one end of the main body 100 in the first direction is free from the positive terminals 510 and the negative terminals 520 of the plurality of battery cells, so that the positive terminals 510 and the negative terminals 520 of the plurality of battery cells are exposed, so as to facilitate installation of the bus bar 600.

Referring to fig. 1 and fig. 2, the plurality of first blocking members 200 are connected to the first end surface 110, and the plurality of first blocking members 200 are arranged along the second direction. The mounting region 210 is formed between adjacent two first barriers 200, and the positive terminal 510 and the negative terminal 520 adjacent to each other and for connection to the bus bar 600 are received in the mounting region 210. In other words, only one positive terminal 510 and one negative terminal 520 are provided in the mounting region 210, and the connection of the bus bar 600 is correct when the bus bar is mounted on the positive terminal 510 and the negative terminal 520.

Referring to fig. 1 and 2, in some embodiments, the first blocking member 200 extends along the first direction to block the positive terminal 510 or the negative terminal 520 outside the mounting region 210 from being connected with the positive terminal 510 or the negative terminal 520 inside the mounting region 210. Optionally, the first blocking member 200 also extends along the third direction to block the positive terminal 510 or the negative terminal 520 outside the mounting region 210 from being connected with the positive terminal 510 or the negative terminal 520 inside the mounting region 210. The first direction, the second direction and the third direction are vertical to each other. Thus, the operator can only connect the positive terminal 510 and the negative terminal 520 in the installation area 210 through the bus bar 600, but cannot connect the positive terminal 510 or the negative terminal 520 in the installation area 210 and the positive terminal 510 or the negative terminal 520 outside the installation area 210 through the bus bar 600, so as to ensure the installation accuracy of the bus bar 600 and reduce the possibility of errors in the installation of the bus bar 600.

Referring to fig. 1 and fig. 2, the main body 100 has a second end surface 120 opposite to the first end surface 110 in the first direction. The second end surface 120 is formed with a plurality of notches 121, and the notches 121 are used for receiving the adjacent positive terminal 510 and the negative terminal 520 connected to the bus bar 600. The busbar installation error-proofing tool 10 includes a second blocking member 300, and the second blocking member 300 is connected to the main body 100 and located between two adjacent notches 121 in the second direction.

By forming the notch 121 on the second end face 120 to accommodate the adjacent positive terminal 510 and negative terminal 520 for connecting with the busbar 600, an installation prompt is given to the operator for the busbar 600, so that the operator is not easy to connect the busbar 600 wrongly. In addition, by arranging the second blocking member 300 between two adjacent notches 121, the operator cannot arrange the bus bar 600 between two notches 121 under the blocking of the second blocking member 300, so that the operator is prevented from dropping the bus bar 600 to a wrong position, and the possibility of errors when the operator installs the bus bar 600 is further reduced.

The shape of the notch 121 may be any shape as long as the positive electrode terminal 510 and the negative electrode terminal 520 can be accommodated therein. For example, the notch 121 may be a rectangular notch or an arc notch.

In some embodiments, the busbar installation error-proofing tool 10 includes a plurality of second stoppers 300, and at least one second stopper 300 is disposed between every two adjacent notches 121. The second blocking member 300 is used to block the positive terminal 510 or the negative terminal 520 in one gap 121 from being connected with the positive terminal 510 or the negative terminal 520 in the other gap 121. Thus, an operator can only connect the positive terminal 510 and the negative terminal 520 in one of the notches 121 through the bus bar 600, but cannot connect the positive terminal 510 or the negative terminal 520 in one of the notches 121 and the positive terminal 510 or the negative terminal 520 in the other notch 121 through the bus bar 600, so that the installation accuracy of the bus bar 600 is ensured, and the possibility of errors in the installation of the bus bar 600 is reduced.

In some embodiments, the second barrier 300 is attached to the upper surface of the body 100. The second blocking member 300 extends along the first direction, the second direction and the third direction, respectively, to achieve a good blocking effect. Optionally, the second barrier 300 is a block structure.

In other embodiments, the second blocking member 300 is connected to the second end surface 120, and the second blocking member 300 extends from the second end surface 120 along the third direction and then along the first direction, so that a portion of the second blocking member 300 is located above the main body 100 and between two adjacent notches 121, so as to block the bus bar 600 from being erroneously positioned.

In some embodiments, the first barrier 200 is bonded or screwed to the body 100. The first blocking member 200 is connected to the main body 100 by means of bonding or screwing, which is simple and convenient, easy to operate, and low in manufacturing cost.

Optionally, the bus bar installation mistake proofing tool 10 includes a screw connector, the screw connector is made of an insulating material, and the first blocking member 200 is screwed to the main body 100 through the screw connector. The screw member made of an insulating material is used to connect the first blocking member 200 and the main body 100, so that the screw member is prevented from being erroneously contacted with the positive terminal 510 and the negative terminal 520 during operation, thereby causing a danger.

Of course, the second barrier 300 may also be bonded or screwed to the body 100. The second blocking member 300 is connected to the main body 100 by means of bonding or screwing, which is simple and convenient, easy to operate, and low in manufacturing cost.

Similarly, the second blocking member 300 is screwed to the main body 100 by a screw, and the screw is made of an insulating material.

Referring to fig. 1 and fig. 2 in combination, the busbar installation error-proofing tool 10 includes a positioning structure 400, the positioning structure 400 is connected to the main body 100, and the positioning structure 400 is used for abutting against the battery cell to position the position of the main body 100 on the battery cell. Through setting up location structure 400, be convenient for fix a position main part 100 on electric core to guarantee a plurality of first stops 200's position accuracy.

In some embodiments, the positioning structure 400 includes a plurality of positioning members 410, and the plurality of positioning members 410 are arranged along the circumference of the main body 100 and connected to the main body 100. The positioning effect is good, the structure is simple and reliable, and the production cost is low by arranging the positioning pieces 410 on the main body 100 for auxiliary positioning.

Optionally, the positioning member 410 extends along a third direction, so that a side surface of the positioning member 410 can abut against a corner of the battery cell. In other words, the positioning member 410 extends to the lower side of the main body 100 along the third direction. Through making setting element 410 extend along the third direction to the side of setting element 410 can the butt in the corner of electric core, in order to realize better location effect.

In some embodiments, the positioning member 410 is a block structure. The positioning member 410 is attached to the outer circumferential surface or the bottom surface of the body 100. In other embodiments, the positioning member 410 is a positioning pin.

In still other embodiments, the positioning structure 400 is a clamping jaw structure, and the clamping jaw structure is connected to the body 100 and clamps the cell to position the body 100 on the cell.

In some embodiments, the bus bar installation mistake proofing tool 10 includes a shielding member for shielding corners of the main body 100, the first blocking member 200, and the second blocking member 300. The corners of the main body 100, the first blocking member 200 and the second blocking member 300 are prevented from cutting an operator during operation by providing a shielding member to shield the corners of the main body 100, the first blocking member 200 and the second blocking member 300. Optionally, the guard is a fleece or a cushion.

It should be noted that, in the present embodiment, the main body 100, the first blocking member 200, the second blocking member 300 and the positioning structure 400 are made of insulating materials. The main body 100, the first blocking member 200, the second blocking member 300 and the positioning structure 400 are made of insulating materials, so that the main body 100, the first blocking member 200, the second blocking member 300 or the positioning structure 400 are prevented from being in error contact with the positive terminal 510 and the negative terminal 520 during operation, and danger is avoided.

The busbar installation mistake proofing tool 10 provided by the embodiment is used as follows:

the main body 100 is placed above the plurality of battery cells, and the corners of the battery cells are abutted by the positioning members 410, so as to accurately position the position of the main body 100, so that the first end surface 110 is located between the positive terminal 510 and the negative terminal 520 distributed in the first direction, and the adjacent positive terminal 510 and the negative terminal 520 connected to the bus bar 600 are accommodated in the installation area 210 and the notch 121. This allows the positive terminal 510 and the negative terminal 520 adjacent to each other in the mounting region 210 and the gap 121 and used for connection to the bus bar 600 to be connected by the bus bar 600. The first and

second barriers

200 and 300 can prevent the bus bar 600 from being seated to an incorrect position, thereby achieving a more reliable and safer power battery bus bar 600 installation work. In addition, the bus bar installation mistake-proofing tool 10 is cheap and easily available in manufacturing materials, simple in manufacturing process, convenient and practical and quite low in cost.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a busbar installation mistake proofing frock for supplementary busbar is connected in a plurality of electric cores, electric core has positive terminal and the negative terminal of arranging along the first direction, its characterized in that includes:

a body having a first end face for placement over the plurality of cells such that the first end face is located between the positive terminal and the negative terminal in the first direction;

the first blocking pieces are arranged along a second direction and connected to the first end face, a mounting area is formed between every two adjacent first blocking pieces, the mounting area is used for accommodating adjacent positive terminals and negative terminals which are connected with the bus bars, and the first direction is perpendicular to the second direction.

2. The busbar installation error-proofing tool of claim 1, wherein the main body has a second end face opposite to the first end face in the first direction, the second end face having a plurality of notches formed thereon for receiving adjacent positive and negative terminals for connection to a busbar;

the busbar installation mistake proofing frock includes that the second stops the piece, the second stop connect in the main part and in be located two adjacent on the second direction between the breach.

3. The busbar installation error-proofing tool of claim 2, wherein the second blocking piece is connected to the upper surface of the main body.

4. The busbar installation mistake proofing tool of claim 1, wherein the first blocking piece is bonded or screwed to the main body.

5. The busbar installation mistake proofing tool of claim 4, wherein the busbar installation mistake proofing tool comprises a threaded connector, the threaded connector is made of an insulating material, and the first blocking piece is in threaded connection with the main body through the threaded connector.

6. The busbar installation error-proofing tool of claim 1, comprising a positioning structure connected to the main body, wherein the positioning structure is used for abutting against the battery cell to position the main body on the battery cell.

7. The busbar installation mistake proofing tool of claim 6, wherein the positioning structure comprises a plurality of positioning pieces, and the positioning pieces are arranged along the circumferential direction of the main body and connected to the main body.

8. The busbar installation mistake proofing tool of claim 7, wherein the positioning piece extends along a third direction so that the side surface of the positioning piece can abut against the corners of the battery cell, and the first direction, the second direction and the third direction are pairwise perpendicular.

9. The busbar installation error-proofing tool of claim 1, comprising a shielding piece for shielding corners of the main body and the first blocking piece.

10. The busbar installation mistake proofing tool of claim 1, wherein the main body and the first blocking piece are made of insulating materials.