CN219351313U

CN219351313U - Battery module balancing device

Info

Publication number: CN219351313U
Application number: CN202223612438.4U
Authority: CN
Inventors: 盛深圳; 丁鑫; 曹楷
Original assignee: Rept Battero Energy Co Ltd
Current assignee: Rept Battero Energy Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-14
Anticipated expiration: 2032-12-30

Abstract

The utility model belongs to the technical field of battery electric equalization, and particularly discloses a battery module equalization device which comprises an equalization component, wherein the equalization component comprises: the device comprises two supporting seats, a sliding rail, a plurality of probe fixing blocks and a plurality of balanced probes; the sliding rail is provided with a sliding groove, the lower parts of the supporting seats are provided with supporting plates, the upper ends of the two supporting seats are in sliding connection with the sliding rail through the sliding grooves, and the supporting plates are matched with the sliding rail to form a containing groove for containing the battery module; the plurality of probe fixing blocks are arranged in the sliding groove in a sliding way. The two supporting seats can slide along the sliding grooves of the sliding rail so as to adjust the distance between the two supporting seats and fix the battery modules with different lengths, thereby expanding the application range; the battery module balancing device can be suitable for battery modules with different length specifications, can enable the balancing probes to correspond to the module tabs of the battery modules with different length specifications one by one, does not need to order different balancing devices according to different length specifications, reduces manufacturing time, improves production efficiency, and meets production requirements.

Description

Battery module balancing device

Technical Field

The utility model relates to the technical field of battery electric equalization, in particular to a battery module equalization device.

Background

In the manufacturing process of the battery modules, due to the difference of battery grouping modes and battery storage time, the consistency of the electrical properties of the batteries in the grouped battery modules is different, and for the battery modules with poor electrical property consistency, the consistency of the battery modules is generally required to be regulated by a balanced method. The existing equalization equipment often uses an equalization clip, an equalization sampling line and an equalization device to construct an equalization loop to equalize the battery module. When the equalizing clamp is used, the upper clearance of the module tabs of the battery module is limited, so that the equalizing clamp is frequently incapable of clamping; when the sampling lines are used for balancing, different types of modules are required to manufacture different balanced sampling lines, and a large amount of manpower and material resources are required to be consumed; when the balancing device is used, the balancing devices corresponding to different battery modules are different, different balancing devices are required to be customized according to different battery modules, the manufacturing is very time-consuming, the production efficiency of the battery modules is affected, and the production requirements cannot be met.

Disclosure of Invention

The purpose of the utility model is that: the utility model provides a battery module balancing unit to solve among the prior art according to the different balancing unit of battery module customization of difference, the preparation is very consuming time, influences battery module's production efficiency, can't satisfy the technical problem of demand.

In order to achieve the above object, the present utility model provides a battery module balancing apparatus including a balancing assembly including: the device comprises two supporting seats, a sliding rail, a plurality of probe fixing blocks and a plurality of balanced probes; the sliding rail is provided with a sliding groove, the lower parts of the supporting seats are provided with supporting plates for supporting the battery modules, the upper ends of the two supporting seats are in sliding connection with the sliding rail through the sliding grooves, and the supporting plates are matched with the sliding rail to form a containing groove for containing the battery modules; the probe fixing blocks are arranged in the sliding grooves in a sliding mode, the probe fixing blocks are provided with clamping mechanisms used for clamping the sliding rails, and the balanced probes are arranged on the probe fixing blocks.

Preferably, the probe fixing block is provided with a first connecting rod which is used for penetrating through the sliding groove, a first clamping plate is arranged at one end of the first connecting rod, which faces the supporting plate, the clamping mechanism is provided with a first clamping piece which is used for moving towards the first clamping plate, the first clamping piece is arranged on the first connecting rod, the first clamping piece and the first clamping plate are located on two sides of the sliding rail, and the first clamping piece is used for being matched with the first clamping plate to clamp the sliding rail.

Preferably, a first external thread is arranged on the outer side of the first connecting rod, and a first internal thread hole matched with the first external thread is arranged on the first clamping piece.

Preferably, the first connection rod is provided with a probe through hole for mounting the balancing probe.

Preferably, a second connecting rod is arranged at the upper end of the supporting seat, passes through the sliding groove, and is provided with a second clamping piece positioned below the sliding rail and a third clamping piece positioned above the sliding rail; the third clamping piece is used for being matched with the second clamping piece to clamp the sliding rail.

Preferably, a second external thread is arranged on the outer side of the second connecting rod, and a second internal thread hole matched with the second external thread is arranged on the second clamping piece; the third clamping piece is provided with a third internal threaded hole matched with the second external thread.

Preferably, a rotary handle is arranged on the outer side of the third clamping piece.

Preferably, the method further comprises: the connecting gasket is provided with a sleeving hole sleeved on the second connecting rod and is positioned between the second clamping piece and the sliding rail.

Preferably, the outer edge of the sliding rail is provided with a reinforcing boss.

Preferably, the number of the equalization components is two, one of the equalization components is a positive equalization component, and the other equalization component is a negative equalization component.

The battery module balancing device provided by the utility model has the beneficial effects that: the balancing component of the battery module balancing device adopts two supporting seats and a sliding rail to form a frame-type bracket, and the supporting seats form a containing groove capable of containing the battery module by utilizing the supporting plate and the sliding rail so as to fix the battery module; in addition, the two supporting seats can slide along the sliding grooves of the sliding rail so as to adjust the distance between the two supporting seats, adjust the length of the accommodating groove and fix the battery modules with different lengths, thereby expanding the application range; secondly, the positions of the plurality of probe fixing blocks can be adjusted along the sliding grooves of the sliding rails so as to be aligned with the module tabs of the battery module one by one, so that the probes are conveniently in contact with the module tabs to perform balanced operation of the battery module; therefore, the battery module balancing device can be suitable for battery modules with different length specifications, and can enable the balancing probes to correspond to the module tabs of the battery modules with different length specifications one by one, so that the battery modules with different length specifications can be conveniently subjected to electric balancing operation, different balancing devices do not need to be ordered according to different length specifications, manufacturing cost and manufacturing time are reduced, production efficiency of the battery modules is improved, and production requirements are met.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic structural view of a battery module balancing device according to an embodiment of the present utility model;

fig. 2 is a schematic diagram illustrating a disassembled structure of a battery module balancing apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing the structure of the probe fixing block, the first clamping member and the balance probe after being disassembled according to the embodiment of the present utility model;

fig. 4 is a structural view showing a side view of a battery module balancing apparatus according to an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;

fig. 6 is a schematic diagram illustrating a structure of a battery module balancing apparatus according to an embodiment of the present utility model in a bottom view.

100, a supporting seat; 110. a support plate; 111. a support plane; 120. a second connecting rod; 121. a second external thread; 130. a second clamping member; 131. a second internally threaded bore; 140. a third clamping member; 141. a third internally threaded bore; 142. rotating the handle; 200. a slide rail; 210. a chute; 220. reinforcing the boss; 300. a probe fixing block; 310. a clamping mechanism; 311. a first clamping member; 312. a first internally threaded bore; 320. a first connecting rod; 321. a first external thread; 322. a probe through hole; 330. a first clamping plate; 400. equalizing the probe; 500. a connecting gasket; 600. and a battery module.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 6, a battery module balancing device according to an embodiment of the utility model will be described.

Referring to fig. 1 and 2, a battery module 600 balancing apparatus according to an embodiment of the present utility model includes a balancing assembly including: two supporting seats 100, a sliding rail 200, a plurality of probe fixing blocks 300 and a plurality of balance probes 400; the slide rail 200 is provided with a slide groove 210, the lower parts of the supporting seats 100 are provided with supporting plates 110 for supporting the battery modules 600, the upper ends of the two supporting seats 100 are both in sliding connection with the slide rail 200 through the slide groove 210, and the supporting plates 110 and the slide rail 200 are matched to form a containing groove for containing the battery modules 600; the plurality of probe fixing blocks 300 are slidably disposed in the slide grooves 210, the probe fixing blocks 300 are provided with a clamping mechanism 310 for clamping the slide rail 200, and the balance probe 400 is disposed on the probe fixing blocks 300.

The slide rail 200 extends along a straight line direction, the extending direction of the slide rail 210 is the same as the extending direction of the slide rail 200, the two supporting seats 100 are arranged at intervals along the extending direction of the slide rail 210, the two supporting seats 100 are respectively provided with a supporting plate 110, the top surfaces of the supporting plates 110 are used for supporting the bottom surfaces of the battery modules 600, the tops of the two supporting seats 100 are respectively connected with the slide rail 200, namely, the two supporting seats 100 are matched with the slide rail 200 to form a frame-shaped supporting frame, the two supporting plates 110 are positioned between the two supporting seats 100, and the supporting plates 110 are matched with the slide rail 200 to form a frame-shaped containing groove to fix the battery modules 600. The top of the supporting seat 100 is connected with the sliding rail 200 through the sliding groove 210, so that the two supporting seats 100 can be adjusted along the sliding rail 200 to adjust the distance between the two supporting seats 100, so as to adjust the length of the accommodating groove and fix the battery modules 600 with different lengths.

The module bars of the battery module 600 are generally disposed on the same line, and the extending direction of the sliding rail 200 is parallel to the extending direction of the module bars, so that the sliding rail 200 can be arranged along the extending direction of the module bars, and the sliding grooves 210 can be arranged along the extending direction of the module bars. The plurality of probe fixing blocks 300 can be sequentially arranged along the sliding chute 210, and the probe fixing blocks 300 can slide along the sliding chute 210 according to the positions of the module tabs to adjust the positions, so that the probe fixing blocks 300 are aligned to the module tabs, and the balance probes 400 are conveniently communicated with the module tabs, so that the balance equipment is connected with the module tabs of the battery module 600 through the balance probes 400, and the operation of electric balance on the battery module 600 is conveniently performed. After the probe fixing block 300 locates the position of the module tab of the battery module 600 along the chute 210, the clamping mechanism 310 clamps the slide rail 200 to fix the position of the probe fixing block 300, so as to prevent the probe fixing block 300 from sliding continuously, prevent the equalization probe 400 from shifting during equalization, and ensure that the equalization process of the battery module 600 is performed normally.

The balancing assembly of the balancing device for the battery module 600 of the embodiment adopts two supporting seats 100 and a sliding rail 200 to form a frame-type bracket, and the supporting seats 100 utilize the supporting plates 110 and the sliding rail 200 to form a containing groove capable of containing the battery module 600 so as to fix the battery module 600; in addition, both the two supporting seats 100 can slide along the sliding groove 210 of the sliding rail 200 to adjust the distance between the two supporting seats 100, so as to adjust the length of the accommodating groove, fix the battery modules 600 with different lengths, and enlarge the application range; secondly, the plurality of probe fixing blocks 300 can also be adjusted in position along the sliding grooves 210 of the sliding rail 200 so as to be aligned with the module tabs of the battery module 600 one by one, thereby facilitating the contact between the balancing probes 400 and the module tabs and facilitating the balancing operation of the battery module 600; therefore, the balancing device for the battery module 600 can be suitable for battery modules 600 with different length specifications, and the balancing probes 400 can be in one-to-one correspondence with the module tabs of the battery modules 600 with different length specifications, so that the battery modules 600 with different length specifications can be electrically balanced conveniently, different balancing devices do not need to be ordered according to different length specifications, the manufacturing cost and the manufacturing time are reduced, the production efficiency of the battery modules 600 is improved, and the production requirements are met.

In some embodiments of the present utility model, referring to fig. 1 to 5, the probe-fixing block 300 is provided with a first connection rod 320 for passing through the slide groove 210, one end of the first connection rod 320 toward the support plate 110 is provided with a first clamping plate 330, the clamping mechanism 310 has a first clamping piece 311 for moving toward the first clamping plate 330, the first clamping piece 311 is provided on the first connection rod 320, the first clamping piece 311 and the first clamping plate 330 are located at both sides of the slide rail 200, and the first clamping piece 311 is for clamping the slide rail 200 in cooperation with the first clamping plate 330. The first clamping member 311 is movable along the first connecting rod 320 toward the first clamping plate 330 to clamp the slide rail 200 in cooperation with the first clamping plate 330, fixing the position of the probe-fixing block 300.

In some embodiments of the present utility model, referring to fig. 1 to 5, the outer side of the first connecting rod 320 is provided with a first external screw thread 321, and the first clamping member 311 is provided with a first internal screw thread 312 engaged with the first external screw thread 321. That is, the first clamping member 311 is a nut, and by twisting the first clamping member 311, the first clamping member 311 can be driven to move along the extending direction of the first connecting rod 320 so as to approach or separate from the first clamping plate 330. When the slide rail 200 needs to be clamped, the first clamping piece 311 is screwed to be close to the first clamping plate 330, so that the first clamping plate 330 and the first clamping piece 311 are matched to clamp the slide rail 200, and the purpose of fixing the probe fixing block 300 is achieved. When the probe-fixing block 300 needs to be moved, the first clamping member 311 is twisted to be far away from the first clamping plate 330, and then the first clamping plate 330 and the first clamping member 311 will release the slide rail 200, so that an operator can conveniently adjust the position of the probe-fixing block 300 along the direction of the slide slot 210. In addition, the first clamping member 311 may be moved toward the first clamping plate 330 by a driving device such as a compression spring or an air cylinder to clamp the slide rail 200.

In some embodiments of the present utility model, referring to fig. 1 to 5, the first connection rod 320 is provided with a probe through hole 322, and the probe through hole 322 is used to mount the balance probe 400. The probe through holes 322 facilitate the penetration of the balancing probe 400 into the probe fixing block 300 to fix the position of the balancing probe 400, and facilitate the balancing device to electrically balance the battery module 600 through the balancing probe 400.

In some embodiments of the present utility model, referring to fig. 1 to 5, the upper end of the support base 100 is provided with a second connection rod 120, the second connection rod 120 passes through the sliding groove 210, and the second connection rod 120 is provided with a second clamping member 130 positioned below the sliding rail 200 and a third clamping member 140 positioned above the sliding rail 200; the third clamping member 140 is used to clamp the slide rail 200 in cooperation with the second clamping member 130. The second clamping member 130 and the third clamping member 140 cooperate to clamp the fixed sliding rail 200, so as to fix the relative position between the sliding rail 200 and the supporting seat 100, prevent the supporting seat 100 from moving randomly during balancing, and prevent the battery module 600 from shaking randomly.

In some embodiments of the present utility model, referring to fig. 1 to 5, the second connecting rod 120 is provided at the outer side thereof with a second external screw thread 121, and the second clamping member 130 is provided with a second internal screw hole 131 engaged with the second external screw thread 121; the third clamping member 140 is provided with a third internally threaded bore 141 that mates with the second external thread 121. That is, the second clamping member 130 and the third clamping member 140 can be rotated to adjust the heights of the second clamping member 130 and the third clamping member 140, and the height of the slide rail 200 can be adjusted to adjust the height of the receiving groove. The battery module 600 balancing device not only can adjust the length of the accommodating groove, but also can adjust the height of the accommodating groove so as to be suitable for the battery modules 600 with different length specifications and different heights, thereby enlarging the application range, being more convenient to use, reducing the time of customizing the device and improving the balancing efficiency of the battery module 600. By rotating the second clamping member 130, the second clamping member 130 can be moved up and down along the second connecting member to adjust the height of the slide rail 200; after the height of the sliding rail 200 is adjusted, the third clamping member 140 approaches toward the second clamping member 130 to cooperate with the second clamping member 130 to clamp the sliding rail 200, so that the sliding rail 200 and the supporting seat 100 can be relatively fixed to avoid displacement.

In some embodiments of the present utility model, referring to fig. 1 to 5, in order to facilitate screwing of the third clamping member 140, a rotation handle 142 is provided at an outer side of the third clamping member 140. The rotating handle 142 can facilitate the operator to directly grip and twist the third clamping member 140 by hand, and can facilitate the adjustment of the gap between the third clamping member 140 and the second clamping member 130, so as to loosen the slide rail 200 or clamp the slide rail 200.

In some embodiments of the present utility model, referring to fig. 1 to 5, in order to increase the force bearing area between the second clamping member 130 and the sliding rail 200, the method further includes: the connection gasket 500, the connection gasket 500 is provided with a sleeve hole sleeved on the second connecting rod 120, and the connection gasket 500 is located between the second clamping piece 130 and the sliding rail 200. The outer diameter of the second clamping member 130 is larger than the width of the sliding groove 210, the connection pad 500 is located between the second clamping member 130 and the sliding rail 200, the upper side surface of the connection pad 500 is larger than the upper side surface of the second clamping member 130, that is, the bottom surface of the connection pad 500 can lean against the second clamping member 130, the second clamping member 130 can support the sliding rail 200 through the connection pad 500, the sliding rail 200 is better supported, and the connection strength is increased.

In some embodiments of the present utility model, referring to fig. 1 and 6, for convenience of supporting the battery module 600 by the supporting base 100, the bottom surface of the supporting plate 110 has a supporting plane 111. The supporting plane 111 can be directly placed on the platform or the ground, that is, the supporting plate 110 is directly contacted with the platform or the ground, so that the whole battery module 600 is better supported, the battery module 600 is more stably placed on the platform or the ground, and random shaking of the battery module 600 in the process of electric equalization is avoided.

In some embodiments of the present utility model, referring to fig. 1 to 5, the outer edge of the slide rail 200 is provided with a reinforcing boss 220. The reinforcing boss 220 is disposed at the outer edge of the sliding rail 200, the sliding groove 210 is disposed at the middle of the sliding rail 200, and the reinforcing boss 220 can increase the overall structural strength of the sliding rail 200 and prevent the sliding rail 200 from breaking.

In some embodiments, since the batteries in the battery module 600 have positive and negative poles, the number of the balancing components is two, one balancing component is a positive balancing component, and the other balancing component is a negative balancing component, as shown in fig. 1, the two balancing components are assembled to the battery module 600, wherein the probe fixing blocks 300 of the positive balancing component are aligned with the positive poles of the batteries in the battery module 600, and the probe fixing blocks 300 of the negative balancing component are aligned with the negative poles of the batteries in the battery module 600, so that the balancing probes 400 are connected with the balancing device, and both the positive poles and the negative poles of the battery module 600 are connected with the balancing device, so that the battery module performs electric balancing. And because two equalization components are separately arranged, the interval between the two equalization components can be adjusted at the moment, so that the battery modules with different intervals between the anode and the cathode of the battery can be adapted.

In other embodiments, only one equalization component may be included, where two sliding grooves may be disposed in the sliding rail, so that a portion of the probe fixing block 300 may be aligned with the positive electrode of the battery module 600 through one sliding groove, and another portion of the probe fixing block 300 may be aligned with the negative electrode of the battery module 600 through another sliding groove.

In summary, the balancing component of the balancing device for the battery module 600 of the present embodiment adopts two supporting seats 100 and the sliding rail 200 to form a frame-type bracket, and the supporting seats 100 utilize the supporting plates 110 and the sliding rail 200 to form a receiving groove capable of receiving the battery module 600 so as to fix the battery module 600; the two supporting seats 100 can slide along the sliding groove 210 of the sliding rail 200 to adjust the distance between the two supporting seats 100, so as to adjust the length of the accommodating groove, fix the battery modules 600 with different lengths, expand the application range, and cooperate with the second clamping piece 130 and the third clamping piece 140 to adjust the height of the sliding rail 200, so that the battery module 600 with different heights can be applied; secondly, the plurality of probe fixing blocks 300 can also be adjusted in position along the sliding grooves 210 of the sliding rail 200 so as to be aligned with the module tabs of the battery module 600 one by one, thereby facilitating the contact between the balancing probes 400 and the module tabs and facilitating the balancing operation of the battery module 600; therefore, the balancing device for the battery module 600 can be suitable for battery modules 600 with different length specifications, and the balancing probes 400 can be in one-to-one correspondence with the module tabs of the battery modules 600 with different length specifications, so that the battery modules 600 with different length specifications can be electrically balanced conveniently, different balancing devices do not need to be ordered according to different length specifications, the manufacturing cost and the manufacturing time are reduced, the production efficiency of the battery modules 600 is improved, and the production requirements are met.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. A battery module balancing device, characterized by comprising a balancing component, the balancing component comprising: the device comprises two supporting seats, a sliding rail, a plurality of probe fixing blocks and a plurality of balanced probes; the sliding rail is provided with a sliding groove, the lower parts of the supporting seats are provided with supporting plates for supporting the battery modules, the upper ends of the two supporting seats are in sliding connection with the sliding rail through the sliding grooves, and the supporting plates are matched with the sliding rail to form a containing groove for containing the battery modules; the probe fixing blocks are arranged in the sliding grooves in a sliding mode, the probe fixing blocks are provided with clamping mechanisms used for clamping the sliding rails, and the balanced probes are arranged on the probe fixing blocks.

2. The battery module balancing device according to claim 1, wherein the probe fixing block is provided with a first connecting rod for passing through the sliding groove, a first clamping plate is arranged at one end of the first connecting rod, which faces the supporting plate, the clamping mechanism is provided with a first clamping piece for moving towards the first clamping plate, the first clamping piece is arranged on the first connecting rod, the first clamping piece and the first clamping plate are located on two sides of the sliding rail, and the first clamping piece is used for clamping the sliding rail in cooperation with the first clamping plate.

3. The battery module balancing device of claim 2, wherein the outer side of the first connecting rod is provided with a first external screw thread, and the first clamping member is provided with a first internal screw thread hole matched with the first external screw thread.

4. The battery module balancing device according to claim 2, wherein the first connection rod is provided with a probe through hole for mounting the balancing probe.

5. The battery module balancing device according to claim 1, wherein a second connecting rod is arranged at the upper end of the supporting seat, the second connecting rod penetrates through the sliding groove, and the second connecting rod is provided with a second clamping piece positioned below the sliding rail and a third clamping piece positioned above the sliding rail; the third clamping piece is used for being matched with the second clamping piece to clamp the sliding rail.

6. The battery module balancing device according to claim 5, wherein the second connecting rod is provided with a second external screw thread on the outer side thereof, and the second clamping member is provided with a second internal screw thread hole engaged with the second external screw thread; the third clamping piece is provided with a third internal threaded hole matched with the second external thread.

7. The battery module balancing apparatus according to claim 6, wherein the third clamping member is provided at an outer side thereof with a rotation handle.

8. The battery module balancing apparatus according to claim 6, further comprising: the connecting gasket is provided with a sleeving hole sleeved on the second connecting rod and is positioned between the second clamping piece and the sliding rail.

9. The battery module balancing device of claim 1, wherein the outer edge of the slide rail is provided with a reinforcing boss.

10. The battery module balancing apparatus according to any one of claims 1 to 9, wherein the number of the balancing members is two, one of the balancing members is a positive balancing member, and the other balancing member is a negative balancing member.