KR20180092595A - Jig for Assembling Battery Module and Circuit Member - Google Patents

Abstract

Provided is an assembling jig which includes a plurality of shaft blocks fixedly mounted and moved on a shaft so as to approach from different side directions of a battery module, and a base plate on which the shaft blocks are arranged. At least one of the shaft blocks is provided with a fixing unit upwardly protruding from the upper surface of the battery module and fixing a plurality of engaging units to be coupled to a circuit member, so that when the shaft blocks move adjacent to the side surface of the battery module, the engaging units are fixed to the fixing unit.

Description

[0001] The present invention relates to a jig for assembling a battery module and a circuit member,

The present invention relates to a jig for assembling a battery module and a circuit member.

As technology development and demand for mobile devices increase, the demand for secondary batteries as energy sources is rapidly increasing.

The secondary battery may be used in the form of a single battery cell or in the form of a battery pack in which a plurality of battery cells are electrically connected to each other depending on the type of the external device used. For example, a small device such as a cellular phone can operate for a predetermined time with the output and the capacity of one battery cell, while a medium size device such as a notebook computer, a portable DVD, a small PC, an electric vehicle, Or large devices require the use of battery packs in terms of output and capacity issues.

The battery module is manufactured by assembling a cooling device, various circuits, a protective case, and the like in an assembly in which a plurality of battery cells are arranged in series and / or in parallel.

In this regard, FIG. 1 shows a battery module including a plurality of cylindrical battery cells. It should be noted, however, that this is for the purpose of helping to understand the present invention and may be included in the technical scope of the present invention.

Referring to FIG. 1, the battery module 10 has a structure in which a plurality of battery cells 2 are mounted on a bus bar assembly including a connection member and a cell frame. Here, A circuit member 1 for managing conditions such as voltage, current, and temperature is additionally mounted.

The battery module according to Fig. 1 is characterized in that a plurality of connection terminals 3 formed on one surface of a battery module 10 is inserted into a connection opening (1a in Fig. 6) formed in the circuit board 1 Lt; / RTI > This bond includes both electrical and physical bonds.

When the connection and the coupling between the circuit member and the battery module are performed with such a structure, a connecting member such as a wire or a nickel plate for connecting the circuit member and the battery module can be omitted, and the battery module has a more compact structure. On the other hand, as described below, it is a fact that there is a manufacturing disadvantage.

Specifically, when inserting the connecting terminals of the battery module into the connecting opening of the circuit member, if the connecting terminals are not aligned with the connecting openings, the connecting terminal is bent, or the circuit member surface There is a problem that it is damaged and it must be manually performed by a worker. Therefore, it takes a lot of time to precisely combine and there is a disadvantage that the manufacturing processability is low overall.

Therefore, there is a high need for a technique capable of solving these problems at once.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the prior art and the technical problems required from the past.

Specifically, it is an object of the present invention to provide an assembling jig that allows a plurality of shaft blocks to be used to fix the connection terminals and the circuit of the battery module in place and then to be combined.

To achieve this object, an assembling jig of the present invention includes:

A jig for assembling a battery module in which a plurality of battery cells capable of repeated charge and discharge are assembled and a circuit member for managing an operation state of the battery module,

And a base plate on which the shaft blocks are arranged, the plurality of shaft blocks moving in a fixed state to the shaft so as to approach the battery module in different lateral directions;

At least one of the shaft blocks is provided with a fixing portion for upwardly protruding from an upper surface of the battery module and fixing a plurality of engaging portions to be coupled to the circuit member;

And the engaging portions are fixed to the fixing portion when the shaft blocks move adjacent to the side surface of the battery module.

That is, the assembling jig according to the present invention is configured such that the shaft blocks are fixed to the engaging portions to be engaged with the circuit member. First, the fixing portions can be fixed in a state of being aligned in position by the shaft block, Second, the manufacturing processability of the operator who joins the circuit unit with the battery module can be improved. In addition, the automatic operation by the operator can be performed in place of the manual operation by the operator There is an advantage that the battery module and the circuit member can be coupled using the device.

In the present invention, the engaging portions include a plurality of connection terminals protruding upward from a top surface of the battery module and inserted into a connection opening formed in the circuit member, and a plurality of connection terminals protruding upward from a top surface of the battery module, And protruding fastening portions communicating with the coupling openings formed in the member.

In the case of the circuit member, a protection circuit board constituting the backbone of a battery management system and a housing in which the protection circuit board can be accommodated are exemplified. In addition, a temperature sensor or a voltage detection sensor that can be coupled to the connection terminals may also be included as an example of a circuit member.

The base plate may have a plurality of side walls for fixing the battery module in a state of being closely attached to the side surface of the battery module, and the shaft blocks may be mounted on the side walls.

The shaft block may be movably mounted on the base plate in a linear motion guide (LM guide) structure.

In one specific example according to the present invention, the shaft block is configured to move along the first axis while being fixed to two or more first shafts, and is configured to surround a part of the upper surface adjacent to the first side of the battery module A first shaft block;

A second shaft block configured to move along the second axis while being fixed to the at least two second axes and configured to surround a part of an upper surface adjacent to the second side of the battery module; And

And a third shaft block configured to move along the third axis while being fixed to the two or more third shafts and configured to surround a part of the upper surface adjacent to the third side of the battery module.

In one specific example, the first shaft block is provided with a slit-shaped first fixing portion at a position aligned in a plane with respect to the protruding coupling portion adjacent to the first side face;

When the first shaft block approaches the battery module, the protrusion fastening portion may be fixed in a state of being inserted into the first fixing portion.

Similarly, the second shaft block is provided with a slit-like second fixing portion at a position which is in a straight line in a plane with respect to the protruding coupling portion adjacent to the second side face;

When the second shaft block approaches the battery module, the protruding fastening portion may be fixed to the second fixing portion.

In the third shaft block, a slit-shaped terminal fixing portion is formed at a position that is aligned in a plane on each of the connection terminals;

When the third shaft block approaches the battery module, the connection terminals may be fixed to be inserted into the terminal fixing portion.

As described above, in the present invention, the first, second, and third shaft blocks are movable blocks with respect to the shaft, and when moving in the direction of the battery module, And the fixing portions are fixed in a natural shape to be inserted into the fixing portions of the slit structure.

In contrast, when the battery module is moved away from the battery module, the engaging portions of the battery module inserted in the fixing portions of the slit structure are naturally separated from the fixing portion, so that the fixed form of the engaging portions of the shaft block and the battery module is easily released .

In one specific example, the assembling jig comprises:

A first operating state in which the first, second, and third shaft blocks are spaced apart from the battery module;

A second operating state in which the first, second, and third shaft blocks move in the direction of the battery module; And

A third operating state in which the movement of the first, second, and third shaft blocks toward the battery module is completed and they are positioned at the top of the battery module;

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In the third operating state, at least a part of the first shaft block and the second shaft block may be positioned at the lower end of the third shaft block in a state of overlapping with the third shaft block.

Here, in a state in which the circuit member is seated on the third shaft block in the third operating state, the battery module and the circuit member can be combined in such a manner that the connection opening is inserted into the connection terminals fixed to the third shaft block have.

Likewise, in a state in which the circuit member is seated on the third shaft block in the third operating state, the engaging opening can be located in each of the projecting engaging portions fixed to the first shaft block and the second shaft block, A screw is fastened to the fastening portions and the coupling openings, so that the circuit member and the battery module can be mechanically engaged.

The shaft block may further include a structure for fixing the circuit member in a state where the circuit member is seated. In detail, the shaft block may be mounted on at least one of the first, second, and third shaft blocks And a stripper for fixing the circuit member in such a manner as to be in tight contact with a circuit member that is seated on the third shaft.

The stripper may be formed with a through-hole at a position corresponding to the protruding engaging portion and the engaging opening, which are positioned so as to communicate with each other.

Therefore, in a state in which the stripper is in close contact with the circuit member, the through-hole, the coupling opening and the projecting fastening portion can communicate with each other, and the operator, or the automated machine, So that they can be fastened.

On the basis of this structure, it should be noted that the assembling jig according to the present invention can automate the screwing process of the circuit member and the battery module, and on the other hand, the manual screw- Can be understood.

The third shaft block may include a plurality of bumpers for fixing the ends of the circuit member seated on the third shaft block in a direction perpendicular to the direction of movement and the direction of movement.

In addition, each of the first shaft block and the second shaft block may include a bumper for fixing the end portion of the circuit member seated on the first and second shaft blocks in a direction perpendicular to the moving direction thereof.

The bumper may be, for example, polyurethane or synthetic rubber capable of reducing the impact, but is not limited thereto.

The present invention also provides a battery module in which a circuit member is coupled using the assembling jig.

The battery module is, specifically,

A plurality of battery cells each having a cylindrical shape and each having an electrode terminal formed at an upper end and a lower end of the cylinder;

Wherein the battery cells are independently mounted in an inner hollow structure so as to surround the remaining outer surfaces of the battery cells except the upper and lower ends where the electrode terminals are formed; And

A circuit member electrically connected to each of the battery cells;

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As described above, the assembling jig according to the present invention is configured to fix the shaft blocks to the engaging portions for engaging with the circuit member. First, the fixing portions can be fixed in a state of being aligned in position by the shaft block Secondly, it is possible to improve the manufacturing processability of the operator who joins the circuit member and the battery module, and it is possible to improve the workability of the operator by combining the circuit member and the battery module. There is an advantage that the battery module and the circuit member can be combined using an automated apparatus instead of the manual operation.

1 is a schematic view of a battery module according to the present invention;
2 is a photograph of an assembling jig according to one embodiment of the present invention;
3 is a perspective view of an assembling jig according to one embodiment of the present invention;
4 is a partial schematic diagram of the assembling jig for a third operating state;
5 is a partial schematic view of a jig in which a circuit member is seated in a third operating state;
6 is a vertical cross-sectional schematic diagram of the connection of the connection terminal and the connection opening;
Fig. 7 is a vertical cross-sectional schematic diagram of the engaging structure of the projecting engaging portion and the engaging opening.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings, but the present invention is not limited by the scope of the present invention.

2 and 3 show an actual photograph and a perspective view of the assembling jig 100 according to one embodiment of the present invention. Hereinafter, Figs. 2 and 3 will be described with reference to the structure of the battery module 10 shown in Fig.

The assembling jig 100 according to FIG. 2 includes a base plate 101, shaft blocks 110, 120 and 130.

The base plate 101 is formed with a plurality of side walls 102 which can be in close contact with the side surfaces a and b of the battery module 10. The shaft blocks 110, 102).

The base plate 101 is further provided with a fixing wall 103 for fixing another side surface c of the battery module 10 and the fixing walls 103 are detachably mounted on the base plate 101, Respectively.

The shaft block includes a first shaft block 110 fixed to a pair of first shafts 111 mounted on the side wall 102 of the base plate 101 and a first shaft block 110 And are configured to move back and forth along the first axes 111. The first shaft block 110 covers the battery module 10 in such a manner as to cover a part of the upper surface d adjacent to the first side surface a of the battery module 10 when the movement of the battery module 10 toward the battery module 10 is completed. As shown in FIG.

The shaft block also includes a second shaft block 120 secured to a pair of second shafts 121 mounted on a side wall 102 of the base plate 101 and a second shaft block 120, Are configured to move back and forth along the second axes 121. The second shaft block 120 is configured to cover the upper surface d adjacent to the second side surface b of the battery module 10 when the movement of the battery module 10 toward the battery module 10 is completed, As shown in FIG.

The first shaft block 110 and the second shaft block 120 are configured to move back and forth in directions substantially facing each other and are configured to approach the opposite sides a and b of the battery module 10 can do.

The shaft block also includes a third shaft block 130 fixed to a pair of third axles 131 mounted on the side wall 102 of the base plate 101 and a third shaft block 130, Are configured to move back and forth along the third axes (131). The third shaft block 130 is mounted on the battery module 10 in such a manner as to cover a part of the upper surface d adjacent to the third side surface c of the battery module 10 when the movement of the third shaft block 130 toward the battery module 10 is completed. As shown in FIG.

Therefore, the assembling jig 100 according to the present invention may include a plurality of operation states according to the movement of the respective shaft blocks 110, 120, and 130, and the assembly jig 100 will be described below.

- a first operating state in which the first, second and third shaft blocks (110, 120, 130) are spaced from the battery module (10);

A second operating state in which the first, second and third shaft blocks 110, 120 and 130 move in the direction of the battery module 10;

A third operating state in which the movement of the first, second and third shaft blocks 110, 120 and 130 in the direction of the battery module 10 is completed and they are located at the top of the battery module 10;

Here, FIG. 4 shows a partial schematic view of the assembling jig 100 for the third operating state. Referring to FIG. 4 together with FIGS. 1 to 3, in a third operating state, a part of the first shaft block 110 and the second shaft block 120 are overlapped with the third shaft block 130 3 shaft block 130 at the lower end.

On the other hand, the first shaft block 110 is provided at a position which is in a straight line with respect to the projecting engagement portion (4 in Fig. 4) adjacent to the first side surface (a) of the battery module 10, 1 fixing part 201 is formed.

Therefore, when the first shaft block 110 approaches the first side a of the battery module 10, the protruding coupling portion 4 of the battery module 10 is inserted into the movement path of the first shaft block 110 More specifically in a straight path of the first fixing part 201 of the first shaft block 110 so that the first fixing part 201 of the first shaft block 110 is fitted with the protrusion The fastening portion 4 can be inserted naturally. Accordingly, the protruding coupling portion 4 is fixed at the same time as its protruding shape is supported in the first fixing portion 201. [

On the other hand, when the first shaft block 110 is moved away from the first side surface (a) of the battery module 10, the first fixing portion 201 passes the protruding coupling portion 4, (4) is removed from the first shaft block (110).

The second shaft block 120 is provided with a slit-like second fixing portion 202 (see Fig. 1) at a position in a straight line to the protruding coupling portion 4 adjacent to the second side surface b of the battery module 10 Is formed.

Therefore, when the second shaft block 120 approaches the second side b of the battery module 10, the protruding fastening portion 4 of the battery module 10 moves along the movement path of the second shaft block 120 And more specifically positioned in a straight path of the second fixed portion 202 of the second shaft block 120 so that the second fixed portion 202 of the second shaft block 120 is positioned at the position The fastening portion 4 can be inserted naturally. Accordingly, the projecting engagement portion 4 is fixed at the same time as its protruding shape is supported in the second securing portion 202.

On the contrary, when the second shaft block 120 moves away from the second side b of the battery module 10, the second securing portion 202 is protruded beyond the first protruding engaging portion 4, The fastening portion 4 is removed from the second shaft block 120.

The third shaft block 130 has a slit-shaped third fixing portion 203 (see FIG. 1) at a position in a plane on the connection terminals 3 adjacent to the third side surface c of the battery module 10, Is formed.

Therefore, when the third shaft block 130 approaches the third side surface c of the battery module 10, the connection terminals 3 of the battery module 10 are connected to the moving path of the third shaft block 130 And more specifically the connection terminals 3 are positioned in the linear path of the third fixing part 203 so that the third fixing part 203 of the third shaft block 130 is connected to the connection terminal 3. [ (3) can be inserted naturally. Accordingly, the connection terminals 3 are fixed in the third fixing part 203 while being supported in a protruding form thereof.

On the contrary, when the third shaft block 130 is moved away from the third side surface c of the battery module 10, the third fixing portion 203 passes the connection terminal 3, Is removed from the third shaft block 130.

As described above, in the third operating state in which the movement of the first, second, and third shaft blocks 110, 120, and 130 toward the battery module 10 is completed, the circuit member 1, Which is shown as a partial enlarged view in Fig.

6 is a vertical cross-sectional view schematically showing the connection between the connection terminal 3 and the connection opening 1a. Fig. 7 is a schematic vertical sectional view showing the connection structure of the protruding fastening portion 4 and the coupling opening 1b. A vertical sectional schematic view is shown.

5, 6 and 7 together with Figs. 1 to 4, in a state in which the circuit member 1 is seated on the third shaft block 130 in the third operating state, the third shaft block 130 The battery module 10 and the circuit member 1 can be combined in such a manner that the connection opening 1a is inserted into the connection terminals 3 fixed to the battery module 10.

In the state where the circuit member 1 is seated on the third shaft block 130 in the third operating state, the first shaft block 110 and the second shaft block 120, The battery module 10 and the circuit member 1 are connected to each other so that the battery module 10 and the circuit member 1 are connected to each other, .

The first shaft block 110 and the third shaft block 130 further include a stripper 140 for fixing the circuit member 1 in a state where the circuit member 1 is seated.

Specifically, the stripper 140 is mounted on the first and third shaft blocks 130 in such a manner that the stripper 140 can be pivotally rotated, and pivotally rotates the stripper 140 to closely contact the circuit member 1 that is seated on the third shaft The circuit member 1 can be fixed.

The stripper 140 is further provided with a through-hole 141 at a position coinciding with the projecting engagement portion 4 and the engagement opening 1b positioned so as to be mutually communicated with each other.

In the state where the stripper 140 is in close contact with the circuit member 1, the through-hole 141, the coupling opening 1b, and the projecting engagement portion 4 are communicated with each other.

The third shaft block 130 includes a plurality of bumpers 210 for fixing the ends of the circuit member 1 to be mounted thereon in a direction perpendicular to the direction of movement and the direction of movement.

Each of the first shaft block 110 and the second shaft block 120 includes a bumper 210 for fixing the end portion of the circuit member 1 that is seated on the first shaft block 110 and the second shaft block 120 in a direction perpendicular thereto, .

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (15)

An assembling jig for assembling a battery module in which a plurality of battery cells capable of repeated charge and discharge are assembled and a circuit member for managing an operation state of the battery module,
And a base plate on which the shaft blocks are arranged, the plurality of shaft blocks moving in a fixed state to the shaft so as to approach the battery module in different lateral directions;
At least one of the shaft blocks is provided with a fixing portion for upwardly protruding from an upper surface of the battery module and fixing a plurality of engaging portions to be coupled to the circuit member;
And the engaging portions are fixed to the fixing portion when the shaft blocks move adjacent to the side surface of the battery module. The assembling jig according to claim 1, wherein the shaft blocks are movably mounted on a base plate in an LM guide structure. The connector according to claim 1,
A plurality of connection terminals protruded upward from an upper surface of the battery module and inserted into connection openings formed in the circuit member, and connection terminals protruded upward from the upper surface of the battery module, Projecting fastening portions communicating with the projecting portions;
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The shaft blocks
A first shaft block configured to move along the first axis while being fixed to at least two first shafts and configured to surround a part of an upper surface adjacent to the first side of the battery module;
A second shaft block configured to move along the second axis while being fixed to the at least two second axes and configured to surround a part of an upper surface adjacent to the second side of the battery module; And
A third shaft block configured to move along the third axis while being fixed to at least two third shafts and configured to surround a part of an upper surface adjacent to a third side of the battery module;
And an engaging jig. The method of claim 3,
The first shaft block is provided with a slit-shaped first fixing portion at a position that is in a straight line in a plane with respect to the protruding coupling portion adjacent to the first side face;
Wherein when the first shaft block approaches the battery module, the projecting fastener is fixed to be inserted into the first fixing part. The method of claim 3,
The second shaft block is provided with a slit-shaped second fixing portion at a position that is in a straight line in a plane with respect to the protruding coupling portion adjacent to the second side face;
Wherein when the second shaft block approaches the battery module, the protruding fastening portion is fixed to be inserted into the second fixing portion. The method of claim 3,
The third shaft block is provided with a slit-shaped terminal fixing portion at a position that is aligned in a plane on each of the connection terminals;
Wherein when the third shaft block approaches the battery module, the connection terminals are fixed to be inserted into the terminal fixing portion. 4. The apparatus according to claim 3, wherein the assembling jig includes:
A first operating state in which the first, second, and third shaft blocks are spaced apart from the battery module;
A second operating state in which the first, second, and third shaft blocks move in the direction of the battery module; And
A third operating state in which the movement of the first, second, and third shaft blocks toward the battery module is completed and they are positioned at the top of the battery module;
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Wherein at least a part of the first shaft block and the second shaft block is positioned at the lower end of the third shaft block in a state where the third shaft block overlaps with the third shaft block in the third operation state. The battery module according to claim 7, wherein the circuit member is seated on the third shaft block in the third operating state, and the connection opening is inserted into the connection terminals fixed to the third shaft block, Are coupled to each other. 8. The method according to claim 7, wherein, in a state in which the circuit member is seated on the third shaft block in the third operating state, the engagement opening is located in each of the projecting fastening portions fixed to the first shaft block and the second shaft block Features assemble jig. The assembling jig according to claim 9, wherein screws are fastened to the projecting fastening portions and the engaging openings. 10. The circuit board according to claim 9, wherein the circuit member is mounted on at least one of the first, second, and third shaft blocks so as to be capable of pivotal rotation and is in close contact with a circuit member that is seated on the third shaft, And a fixing device for fixing the fixing jig to the fixing jig. 12. The assembling jig according to claim 11, wherein the stripper has a through-hole formed at a position corresponding to the projecting engaging portion and the engaging opening, which are positioned so as to communicate with each other. 12. The apparatus of claim 11, wherein the third shaft block includes a plurality of bumpers for securing end portions of a circuit member seated thereon in a direction perpendicular to the direction of movement and the direction of movement Assembly jig. 12. The apparatus of claim 11, wherein each of the first shaft block and the second shaft block includes a bumper for fixing an end portion of the circuit member seated on the first and second shaft blocks in a direction perpendicular thereto Assembly jig. The battery module according to claim 1, wherein the base plate is provided with a plurality of side walls for fixing the battery module in a state of being closely attached to the side surface of the battery module, and the shaft blocks are mounted on the side walls .

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