CN220172258U - Bracket for battery assembly, battery pack and vehicle - Google Patents

Abstract

The present disclosure relates to a bracket for a battery assembly, a battery pack, and a vehicle, wherein the bracket for a battery assembly includes a bracket body having opposite upper and lower sides, the upper and lower sides being provided with at least one of the mounting portions, respectively, the mounting portion being formed with a mounting space for mounting a thermistor and a limiting structure for limiting the thermistor on the bracket body. Through the technical scheme, the highest temperature and the lowest temperature of the battery cell set can be acquired after the thermistor is installed, so that the risk of data distortion is reduced.

Description

Bracket for battery assembly, battery pack and vehicle

Technical Field

The present disclosure relates to the field of battery assembly holders, and in particular, to a holder for a battery assembly, a battery pack, and a vehicle.

Background

In the related art, each cell set is provided with a thermistor for collecting the temperature of the cell set, but the temperature error collected by the thermistor is larger by adopting the arrangement of the prior art, so that the risk of distortion exists in data.

Disclosure of Invention

It is an object of the present disclosure to provide a bracket for a battery assembly, a battery pack and a vehicle capable of collecting the highest and lowest temperatures of a battery cell set after a thermistor is mounted, thereby reducing the risk of data distortion.

In order to achieve the above object, the present disclosure provides a bracket for a battery assembly, including a bracket body having opposite upper and lower sides, the upper and lower sides being provided with at least one mounting portion, respectively, the mounting portion being formed with a mounting space for mounting a thermistor and a limiting structure for limiting the thermistor on the bracket body.

Optionally, the bracket body is provided with an opening, and the opening is communicated with the installation space.

Optionally, the mounting portion that is located the upside includes first mounting portion, first mounting portion is formed with first installation space, limit structure includes relative first limit structure and the second limit structure that sets up, first limit structure with the second limit structure respectively form with support body relative first butt wall and second butt wall, first butt wall with the second butt wall all is used for the butt thermistor, in order to restrict thermistor breaks away from first installation space.

Optionally, the first limit structure is fixedly connected to the support body and is configured as a mounting seat, one side of the first limit structure, which faces the second limit structure, is provided with a mounting groove for the end part of the thermistor to be inserted, and the first abutting wall is formed on the inner wall of the mounting groove opposite to the support body.

Optionally, the second limiting structure is fixedly connected to the bracket body and includes at least one first limiting block, and the second abutting wall is formed on the side wall of the first limiting block, which faces the bracket body.

Optionally, the first stopper is formed with a first guide surface inclined toward the first installation space side in a direction approaching the first stopper structure.

Optionally, the bracket for a battery assembly further includes a first connection beam, the first connection beam is connected to the bracket body and extends away from the bracket body, and the second limit structure is fixedly connected to a side of the first connection beam facing the first limit structure.

Optionally, the first limit structure and the second limit structure are arranged along a vertical direction, and the first limit structure is located above the second limit structure.

Optionally, the mounting portion located in the downside includes the second mounting portion, the second mounting portion is formed with the second installation space, limit structure includes relative third limit structure and the fourth limit structure that sets up, third limit structure with the fourth limit structure respectively form with the support body is relative third butt wall's fourth butt wall, third butt wall with the fourth butt wall all is used for the butt thermistor, in order to restrict the thermistor breaks away from the second installation space.

Optionally, the third limiting structure includes at least one limiting member, the limiting member includes an extension section and an abutment section, the extension section is fixedly connected to the support body and extends away from the support body, and the abutment section is connected to the extension section and forms the third abutment wall facing the support body.

Optionally, a second guide surface is formed on the abutment section, and extends obliquely from a surface of the abutment section facing away from the bracket body toward the second installation space.

Optionally, two limiting parts are provided, and the two limiting parts are oppositely arranged and are respectively arranged at two sides of the second installation space.

Optionally, the fourth limiting structure is fixedly connected to the bracket body and includes at least one second limiting block, and the fourth abutting wall is formed on the side wall of the second limiting block, which faces the bracket body.

Optionally, the second stopper is formed with a third guide surface inclined toward the second installation space side in a direction approaching the third stopper structure.

Optionally, the bracket for a battery assembly includes a second connection beam, the second connection beam is connected to the bracket body and extends away from the bracket body, and the fourth limit structure is fixedly connected to a side of the second connection beam, which faces the third limit structure.

Optionally, the third limit structure and the fourth limit structure are arranged along a vertical direction, and the third limit structure is located above the fourth limit structure.

Optionally, the upside of support body is provided with a plurality of first holes and the safety cover of dodging of following the horizontal direction and distributing in turn, first hole of dodging is used for exposing the explosion-proof valve of electric core, the safety cover is used for protecting the annotating liquid hole of electric core, is located the upside the installation department sets up arbitrary two between the first hole of dodging.

Optionally, the downside of support body is provided with a plurality of seconds of following the horizontal direction and dodges the hole, the hole is dodged to the second is corresponding with the boss that is used for connecting circuit board or collector on the electric core, and a plurality of the hole is dodged to the second is dodged respectively and is used for dodging corresponding the boss, is located the downside the installation department sets up between arbitrary two the hole is dodged to the second.

Optionally, be provided with a plurality of mounting holes that are used for the utmost point post of electric core to pass on the support body, a plurality of the mounting hole is located between the upside and the downside of support body, at least part the lateral part of mounting hole is provided with the joint structure, the joint structure be used for with the utmost point post joint of electric core.

Optionally, the joint structure is including being located the joint spare of mounting hole both sides, the joint spare includes supporting part and joint portion, supporting part fixed connection in the support body and towards keeping away from the direction of support body extends, both sides the one side that the supporting part is close to each other is provided with one respectively joint portion, joint portion towards one side of support body is provided with the fourth guide face, the fourth guide face is in the bulge direction of joint portion is towards keeping away from one side slope of support body.

On the basis of the scheme, the application also provides a battery pack, which comprises a shell and a battery assembly arranged in the shell, wherein the battery assembly comprises the following components: a battery cell set; a bracket mounted to the battery cell set and configured as the bracket for a battery assembly described above, the bracket including a bracket body and a mounting portion; the battery information collector is arranged on the bracket body and is positioned between the upper side and the lower side of the bracket body; and the thermosensitive resistors are arranged in one-to-one correspondence with the mounting parts and are mounted on the mounting parts, and the thermosensitive resistors are used for sensing the temperature of the battery cell set and are electrically connected with the battery information collector.

Optionally, the protrusion is provided with a plurality of posts on the electric core collection, be provided with the joint groove on the post, be provided with a plurality of being used for confession on the support body the mounting hole that the post passed, at least part the lateral part of mounting hole is provided with the joint structure, and the joint structure is including being located the joint spare of mounting hole both sides, the joint spare with the joint of joint groove.

Optionally, the housing includes a cooling plate, one side of the battery cell set is disposed on the cooling plate, the mounting portion located at the lower side is disposed near the cooling plate, and the mounting portion located at the upper side is disposed near one side of the battery cell set away from the cooling plate.

On the basis of the scheme, the application further provides a vehicle, and the vehicle comprises the battery pack.

Through above-mentioned technical scheme, because battery pack installs in the battery package shell, one of them can hug closely or be close to the cooling plate in battery pack's electric core collection up end and lower terminal surface, and another one just also keeps away from the cooling plate, and this just makes one side temperature of electric core collection lower, and opposite side temperature is higher. Therefore, the support for the battery assembly is installed on the end face of the battery cell set, the installation parts capable of installing the thermistor are arranged on the upper side and the lower side of the support body, the thermistor is installed in the installation parts located on the upper side and the lower side, the temperature of the upper side and the temperature of the lower side of the battery cell set can be simultaneously acquired after the thermistor is installed, namely, the highest temperature and the lowest temperature of the battery cell set can be simultaneously acquired through the arrangement of at least two thermistors located on different sides, so that the risk of data distortion is reduced, an adjustment strategy is more accurate, and the energy waste is reduced.

Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:

FIG. 1 is a schematic diagram of a single-sided architecture of an exemplary embodiment of a cell set of the present disclosure;

FIG. 2 is a schematic overall construction of an exemplary embodiment of a stent body of the present disclosure;

FIG. 3 is a schematic overall structure of an exemplary embodiment of a first mount of the present disclosure;

FIG. 4 is a schematic overall structure of an exemplary embodiment of a first limit structure and a second limit structure of the present disclosure;

FIG. 5 is a schematic overall construction of an exemplary embodiment of a mounting slot of the present disclosure;

FIG. 6 is a schematic overall structure of an exemplary embodiment of a second mount of the present disclosure;

FIG. 7 is a schematic overall structure of an exemplary embodiment of a third limit structure and a fourth limit structure of the present disclosure;

FIG. 8 is a schematic overall structure of an exemplary embodiment of a clip of the present disclosure;

fig. 9 is a schematic structural view of an exemplary embodiment of a cell set of the present disclosure.

Description of the reference numerals

1-a bracket body; 11-opening; 12-a first avoidance hole; 13-a protective cover; 14-a second avoidance hole; 15-mounting holes; 16-clamping piece; 161-a support; 162-a clamping portion; 163-fourth guide surface; 2-a first mounting portion; 21-a first installation space; 22-a first limiting structure; 221-a first abutment wall; 222-mounting groove; 23-a second limit structure; 231-a second abutment wall; 232-a first limiting block; 2321—a first guide surface; 3-a second mounting portion; 31-a second installation space; 32-a third limit structure; 321-a third abutment wall; 322-limiting piece; 3221-an extension; 3222-an abutment section; 3223-a second guide surface; 33-fourth limit structure; 331-fourth abutment wall; 332-a second limiting block; 3321-third guide surface; 4-a first connection beam; 5-a second connection beam; 6-cell collection; 61-explosion-proof valve; 62-filling holes; 63-boss; 64-pole; 7-a battery information collector; 8-thermistor.

Detailed Description

Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.

In the present disclosure, unless otherwise stated, the term "upper and lower" used herein refers generally to "upper and lower" with respect to the corresponding parts in the direction of gravity in the use state, corresponding to "upper and lower" in fig. 1, 3 and 6. In addition, "inner and outer" refer to "inner and outer" with respect to the outline of the corresponding part itself, and "far and near" refer to "far and near" compared to the reference. Furthermore, terms such as "first," "second," and the like, as used in this disclosure, are used for distinguishing one element from another and not necessarily for order or importance. In the following description, when referring to the drawings, the same reference numerals in different drawings denote the same or similar elements unless otherwise explained. The foregoing definitions are provided for the purpose of illustrating and explaining the present disclosure and should not be construed as limiting the present disclosure.

In a specific embodiment provided by the present disclosure, referring to fig. 1, the present disclosure provides a bracket for a battery assembly, the bracket including a bracket body 1 and a mounting part, the bracket body 1 having opposite upper and lower sides, the upper and lower sides being provided with at least one mounting part, respectively, the mounting part being formed with a mounting space for mounting a thermistor 8 and a limiting structure for limiting the thermistor 8 on the bracket body 1.

Through the above technical scheme, because when the battery assembly is installed in the shell of the battery pack, one of the upper end face and the lower end face of the battery assembly battery cell set 6 is clung to or close to the cooling plate, and the other is far away from the cooling plate, the temperature of one side of the battery cell set 6 is lower, and the temperature of the other side is higher. Therefore, the support for the battery assembly is installed on the end face of the battery cell set 6, the installation parts capable of installing the thermistor 8 are arranged on the upper side and the lower side of the support body 1, the thermistor 8 is installed in the installation parts located on the upper side and the lower side, the temperature of the upper side and the temperature of the lower side of the battery cell set 6 can be simultaneously acquired after the thermistor 8 is installed, namely, the highest temperature and the lowest temperature of the battery cell set 6 can be simultaneously acquired through the arrangement of at least two thermistors 8 located on different sides, so that the risk of data distortion is reduced, an adjustment strategy is more accurate, and the energy waste is reduced.

In which, referring to fig. 1, the present disclosure exemplarily shows an embodiment in which one mounting portion is provided on each of the upper and lower sides of the holder body 1, that is, one thermistor 8 is mounted on each of the upper and lower sides of the holder body 1. In other embodiments, the upper and lower sides of the holder body 1 may be provided with a plurality of mounting parts, that is, the upper and lower sides of the holder body 1 may be mounted with a plurality of thermistors 8, and the plurality of thermistors 8 located at the upper or lower sides are distributed in the horizontal direction, and then the average value of the data collected by the plurality of thermistors 8 may be taken to determine the temperatures of the upper and lower sides of the cell set 6. When installing thermistor 8, the installation space can hold thermistor 8, and limit structure has reduced the possibility that thermistor 8 drops from the installation space in, can guarantee the installation reliability of thermistor 8 on support body 1.

It should be noted that, the mounting portion may be integrated on the bracket body 1, or the mounting portion may be fixedly connected with the bracket body 1 through a connecting piece, which is not particularly limited in this disclosure. The upper side of the bracket body 1 may refer to a side of the bracket body 1 away from the cooling plate, and the lower side of the bracket body 1 may refer to a side of the bracket body 1 close to or close to the cooling plate, or vice versa.

In the embodiment provided in the present disclosure, referring to fig. 1, the upper and lower sides refer to the upper and lower parts of the stand body 1, that is, the upper and lower sides of the stand body 1 are also a part of the stand body 1, not the whole upper or lower side of the stand body 1, which may be defined herein with one structure (e.g., the battery information collector 7) on the stand body 1 as a reference.

In the above case, in order to enable the thermistor 8 to be better contacted with the cell set 6 for accurate temperature collection, in the embodiment provided by the present disclosure, referring to fig. 2, the holder body 1 is provided with an opening 11, and the opening 11 communicates with the installation space. When the thermistor 8 is arranged in the installation space, the thermistor 8 can be contacted or clung to the end face of the battery cell set 6 at the position of the opening 11, so that the detection result is more accurate.

In other embodiments, when the thermistor 8 is mounted on the holder body 1, a portion of the thermistor may extend to the outside (above, below or beside) of the holder body 1 and can directly contact or cling to the battery cell set 6, so that the temperature of the battery cell set 6 can be detected and collected without providing the opening 11 additionally.

The structure of the mounting portion may be configured as any structure capable of mounting the thermistor 8, such as a clamping structure, and the structure of the mounting portion in some embodiments may be adapted to the structure of the thermistor 8 to securely mount the thermistor 8.

The structure of the upper mounting portion and the structure of the lower mounting portion may be the same or different, and the structure of the upper mounting portion and the lower mounting portion may be adjusted according to the interference condition of the structure of the holder body 1 or the surrounding structure. The present disclosure will provide two exemplary configurations of the mounting portion in the following.

In the embodiment provided in the present disclosure, referring to fig. 3 to 5, the mounting portion located at the upper side may include a first mounting portion 2, the first mounting portion 2 is formed with a first mounting space 21 communicating with the opening 11, the limiting structure may include a first limiting structure 22 and a second limiting structure 23 disposed opposite to each other, the first limiting structure 22 and the second limiting structure 23 respectively form a first abutment wall 221 and a second abutment wall 231 opposite to the holder body 1, and the first abutment wall 221 and the second abutment wall 231 are each for abutting the thermistor 8 to limit the thermistor 8 from being separated from the first mounting space 21.

Specifically, referring to fig. 3 to 5, when the thermistor 8 is mounted in the first mounting portion 2, the first mounting space 21 can accommodate the thermistor 8, and the first limiting structure 22 and the second limiting structure 23 can limit opposite ends of the thermistor 8, wherein the first abutting wall 221 and the second abutting wall 231 abut against the thermistor 8, and the possibility that the thermistor 8 is separated from the first mounting space 21 is reduced.

It should be noted that, the first limiting structure 22 and the second limiting structure 23 may be located on the same side or different sides of the thermistor 8 and are disposed opposite to each other, and the first limiting structure 22 and the second limiting structure 23 only need to cooperate with the end face of the bracket body 1 or the battery cell set 6 to compress the thermistor 8 on the bracket body 1. In the embodiment provided in the present disclosure, referring to fig. 3 to 5, the first limiting structure 22 and the second limiting structure 23 are disposed along a vertical direction, and the first limiting structure 22 is located above the second limiting structure 23. In other embodiments, the first limiting structure 22 may be located below the second limiting structure 23, or the first limiting structure 22 and the second limiting structure 23 may be distributed along a horizontal direction and located on two sides of the thermistor 8 respectively.

It should be noted that the first limiting structure 22 and the second limiting structure 23 of the present disclosure may be configured as any structure capable of implementing a limiting function on the thermistor 8.

Since the end of the thermistor 8 is provided with the protruding portion, in the embodiment provided in the present disclosure, referring to fig. 4 and 5, the first limiting structure 22 is fixedly connected to the bracket body 1 and may be configured as a mounting seat, a side of the first limiting structure 22 facing the second limiting structure 23 is provided with a mounting groove 222 for insertion of the end of the thermistor 8, and the first abutment wall 221 is formed at an inner wall of the mounting groove 222 opposite to the bracket body 1.

In the above design, when the thermistor is mounted, the protruding portion of the thermistor 8 is first inserted into the mounting groove 222, and the protruding portion is limited by the first abutment wall 221 in the mounting groove 222, so as to fix one end of the thermistor 8. Wherein, referring to fig. 4 and 5, the size of the mounting groove 222 in the first limit structure 22 may be adapted to the protruding portion of the thermistor 8, and of course, if the thermistor 8 in other embodiments is not provided with a protruding portion, the size of the mounting groove 222 may be adapted to the size of either end of the thermistor 8 so that the end of the thermistor 8 can be inserted into the mounting groove 222. The first limiting structure 22 may be fixed to the bracket body 1 by means of post-bonding, or may be disposed on the bracket body 1 by means of integral connection, which is not specifically limited in this disclosure.

For the second limiting structure 23, in the embodiment provided in the present disclosure, referring to fig. 4 and 5, the second limiting structure 23 is fixedly connected to the bracket body 1 and includes at least one first limiting block 232, and the second abutment wall 231 is formed on a side wall of the first limiting block 232 facing the bracket body 1. That is, the end of the thermistor 8 is clamped between the first stopper 232 and the holder body 1, and is abutted and limited by the second abutment wall 231, so that the end of the thermistor 8 is fixed. By the cooperation of the first limit structure 22 and the second limit structure 23, both ends of the thermistor 8 can be fixed on the holder body 1.

Wherein, referring to fig. 4 and 5, the first stopper 232 may be constructed as a rubber block having elasticity so as to disassemble and assemble the thermistor 8, and the second stopper structure 23 may include two first stoppers 232, and the two first stoppers 232 are distributed in a horizontal direction. In other embodiments, the second limiting structure 23 may also include a plurality of first limiting blocks 232 distributed along a horizontal direction.

In the embodiment provided in the present disclosure, referring to fig. 4, the bracket for a battery assembly further includes a first connection beam 4, the first connection beam 4 is connected to the bracket body 1 and extends away from the bracket body 1, and the second limiting structure 23 is fixedly connected to a side of the first connection beam 4 facing the first limiting structure 22.

It should be noted that, referring to fig. 4, the first connecting beam 4 may be integrally connected with the bracket body 1 and extend toward a side of the bracket body 1 where the thermistor 8 is to be mounted, in which case, the second limiting structure 23 may be connected to the first connecting beam 4 by any suitable means such as bonding or integral molding, so that a space for accommodating the thermistor 8 is formed between the second abutment wall 231 and the bracket body 1 to accommodate and position the thermistor 8.

In order to enable the thermistor 8 to be smoothly mounted in the first mounting portion 2, in the embodiment provided in the present disclosure, referring to fig. 4 and 5, the first stopper 232 is formed with a first guide surface 2321, and the first guide surface 2321 is inclined toward the first mounting space 21 side in a direction approaching the first stopper structure 22. Specifically, the first guide surface 2321 is a surface of the first stopper 232 facing away from the bracket body 1, and when the first thermistor 8 is mounted, the first stopper can abut against the first guide surface 2321 and gradually slide into the first mounting space 21 under the guidance of the first guide surface 2321.

In the embodiment provided in the present disclosure, referring to fig. 6 and 7, the mounting portion located at the lower side may include the second mounting portion 3, the second mounting portion 3 being formed with the second mounting space 31 communicating with the opening 11, the limiting structure including the third limiting structure 32 and the fourth limiting structure 33 disposed opposite to each other, the third limiting structure 32 and the fourth limiting structure 33 respectively forming the fourth abutting wall 331 of the third abutting wall 321 opposite to the bracket body 1, the third abutting wall 321 and the fourth abutting wall 331 each being for abutting the thermistor 8 to limit the thermistor 8 from being separated from the second mounting space 31.

Wherein, similar to the first mounting portion 2, the second mounting portion 3 also limits the thermistor 8 positioned at the lower side by providing two opposite limiting structures (a third limiting structure 32 and a fourth limiting structure 33), wherein the third abutting wall 321 and the fourth abutting wall 331 are used for limiting the thermistor 8 from being separated from the second mounting space 31.

For the positional relationship between the third limiting structure 32 and the fourth limiting structure 33, in other embodiments, the third limiting structure 32 and the fourth limiting structure 322 may also be distributed along the horizontal direction. In the embodiment provided in the present disclosure, referring to fig. 6 and 7, the third limit structure 32 and the fourth limit structure 33 may be disposed in a vertical direction, and the third limit structure 32 is located above the fourth limit structure 33.

It should be noted that the fourth limit structure 33 of the third limit structure 32 of the present disclosure may be configured as any structure capable of realizing the limit function on the thermistor 8.

In the embodiment provided in the present disclosure, referring to fig. 6 and 7, the third limiting structure 32 includes at least one limiting member 322, the limiting member 322 includes an extension section 3221 and an abutment section 3222, the extension section 3221 is fixedly connected to the bracket body 1 and extends away from the bracket body 1, and the abutment section 3222 is connected to the extension section 3221 and forms a third abutment wall 321 facing the bracket body 1. Specifically, the extension section 3221 may be integrally connected or fixed to the stand body 1 by other suitable means (such as bonding, welding, or screwing, etc.), which is not particularly limited in this disclosure, and the abutment section 3222 may be of a convex structure and be disposed to protrude from an end of the extension section 3221 away from the stand body 1 toward one side, so as to limit the thermistor 8.

In the embodiment provided in the present disclosure, referring to fig. 6 and 7, two limiting members 322 are provided, and the two limiting members 322 are disposed opposite to each other and are disposed at both sides of the second installation space 31, respectively. The stoppers 322 located at both sides of the second installation space 31, that is, at both sides of the thermistor 8, can better limit the thermistor 8.

In order to facilitate the mounting of the thermistor 8 between the abutment section 3222 and the holder body 1, in the embodiment provided in the present disclosure, referring to fig. 7, a second guide surface 3223 is formed on the abutment section 3222, the second guide surface 3223 extending obliquely from the surface of the abutment section 3222 facing away from the holder body 1 toward the second mounting space 31. That is, when the thermistor 8 is mounted, the thermistor 8 is mounted under the abutting section 3222 by the guide of the second guide surface 3223, and the abutting section 3222 abuts against the thermistor 8. Wherein the extension 3221 may have elasticity so as to be appropriately bent when the thermistor 8 is mounted so that the thermistor 8 enters the second mounting space 31.

In the embodiment provided in the present disclosure, referring to fig. 6 and 7, the fourth limiting structure 33 is fixedly connected to the bracket body 1 and includes at least one second limiting block 332, and the fourth abutment wall 331 is formed on a side wall of the second limiting block 332 facing the bracket body 1. The second limiting block 332 may be configured as a plastic or rubber block having elasticity, so that the thermistor 8 is mounted, and the fourth limiting structure 33 may include two or more second limiting blocks 332 (in the case where the fourth limiting structure 33 includes two second limiting blocks 332 is shown in the drawings), the two or more second limiting blocks 332 are distributed in a horizontal direction, and each second limiting block 332 is formed as a fourth abutment wall 331 facing a side wall of the bracket body 1.

In order to provide the fourth limit structure 33 to enable a better abutment of the fourth abutment wall 331 against the thermistor 8, in the embodiments provided by the present disclosure, referring to fig. 6 and 7, the bracket for a battery assembly comprises a second connection beam 5, the second connection beam 5 being connected to the bracket body 1 and extending away from the bracket body 1, the fourth limit structure 33 being fixedly connected to a side of the second connection beam 5 facing the third limit structure 32.

Wherein, referring to fig. 6 and 7, the second connection beam 5 may be integrally provided on the bracket body 1 and extend from the bracket body 1 toward a side where the thermistor 8 is to be provided, and the fourth spacing structure 33 is provided on the second connection beam 5, enabling a space for accommodating the thermistor 8 to be spaced between the fourth abutment wall 331 and the bracket body 1.

Further, in the embodiment provided in the present disclosure, referring to fig. 7, the second stopper 332 is formed with a third guide surface 3321, and the third guide surface 3321 is inclined toward the second installation space 31 side in a direction approaching the third stopper structure 32. The third guiding surface 3321 is a surface of the second limiting block 332 facing away from the bracket body 1, so as to facilitate the installation of the thermistor 8 in the second installation space 31.

In the embodiment provided by the present disclosure, referring to fig. 1 and 2, a plurality of first avoidance holes 12 and a protection cover 13 are disposed on an upper side of a bracket body 1, the first avoidance holes 12 are used for exposing an explosion-proof valve 61 of a battery core, the protection cover 13 is used for protecting a liquid injection hole 62 of the battery core, and a mounting portion located on the upper side is disposed between any two first avoidance holes 12.

It should be noted that, the bracket body 1 of the present disclosure may be installed on the electric core set 6, the electric core set 6 includes a plurality of electric cores, an explosion-proof valve 61 is provided at one end of the electric core in the length direction, a liquid injection hole 62 is provided at the other end, and the explosion-proof valves 61 of two adjacent electric cores are opposite in orientation, that is, the explosion-proof valves 61 and the liquid injection holes 62 are alternately distributed in the horizontal direction on one side of the electric core set 6, so that the first avoiding holes 12 and the protective cover 13 of the present disclosure are alternately distributed in the horizontal direction to correspond to the distribution conditions of the explosion-proof valves 61 and the liquid injection holes 62 on the electric core set 6.

Wherein, referring to fig. 1 and 2, after the bracket body 1 is installed, the first avoidance holes 12 expose the explosion-proof valve 61, the protection cover 13 covers the liquid injection hole 62, and since the first avoidance holes 12 and the protection cover 13 are alternately distributed, the installation portion on the upper side is disposed at the position where the protection cover 13 is originally disposed and between the first avoidance holes 12 on the two sides, that is, one of the protection covers 13 in the plurality of alternately distributed first avoidance holes 12 and the protection cover 13 may be replaced with the installation portion on the upper side.

In addition, in the embodiment provided by the present disclosure, referring to fig. 1 and 2, a plurality of second avoidance holes 14 distributed along a horizontal direction are provided on the lower side of the bracket body 1, the second avoidance holes 14 correspond to bosses 63 on the battery core for connecting a circuit board or a collector, and the plurality of second avoidance holes 14 are respectively used for avoiding the corresponding bosses 63, and an installation portion located on the lower side is disposed between any two second avoidance holes 14. It can be appreciated that the pins on the circuit board or the collector (which may be the battery information collector 7 in the present disclosure) are connected with the charged bosses 63 on the battery core, so that the battery core housing is positively charged, and the corrosion of the battery core housing in the charging and discharging process can be prevented, and the capacity attenuation of the battery core and the possibility of reducing the cycle performance and the rate performance can be effectively reduced.

Wherein, in the embodiments provided in the present disclosure, referring to fig. 1 and 2, the boss 63 protrudes outside the end of the cell set 6, so the boss 63 may pass through the second escape hole 14. The mounting portion located at the lower side is arranged between the two second avoidance holes 14, since the opening 11 communicated with the mounting portion at the lower side is arranged on the bracket body 1, the boss 63 at the position of the opening 11 can extend out of the opening 11, therefore, after the bracket body 1 is mounted on the end face of the battery cell collection 6, the pin of the battery information collector 7 at the mounting portion at the lower side passes through the opening 11 to be in contact with the boss 63 at the position, and the thermistor 8 in the mounting portion at the lower side can be in contact with the pin at the position to indirectly collect the temperature of the battery cell collection 6, or the battery information collector 7 is not provided with the pin at the position of the opening 11, and the thermistor 8 at the lower side is directly in contact with the boss 63.

In order to enable the support body 1 to be stably connected to the battery cell set 6, in the embodiment provided in the present disclosure, referring to fig. 1 and 2 and referring to fig. 8 and 9, a plurality of mounting holes 15 through which the poles 64 of the battery cell pass are provided on the support body 1, the plurality of mounting holes 15 are located between the upper side and the lower side of the support body 1, and at least a portion of the sides of the mounting holes 15 are provided with a clamping structure for clamping the poles 64 of the battery cell.

The side portions of all the mounting holes 15 may be provided with a clamping structure, and a part of the side walls of the mounting holes 15 may be provided with a clamping structure, and specific positions of the mounting holes 15 may be arranged according to specific positions of the poles 64 on the cell set 6, but because the poles in the cell set 6 are distributed along the horizontal direction, the overall distribution trend of the plurality of mounting holes 15 is also arranged along the horizontal direction, but may have a height difference between adjacent mounting holes 15 due to specific arrangement positions of the single poles 64. Further, the plurality of mounting holes 15 are located between the upper side and the lower side with respect to the vertical direction, and the plurality of mounting holes 15 are located at the middle position in the vertical direction of the bracket body 1.

As for the construction of the snap structure, in the embodiment provided in the present disclosure, referring to fig. 8 and 9, the snap structure may include the snap pieces 16 located at both sides of the mounting hole 15, the snap pieces 16 including the supporting portions 161 and the snap portions 162, the supporting portions 161 being fixedly connected to the bracket body 1 and extending in a direction away from the bracket body 1, one snap portion 162 being provided at each of sides of the supporting portions 161 where the supporting portions 161 at both sides are close to each other, a fourth guide surface 163 being provided at a side of the snap portion 162 facing the bracket body 1, the fourth guide surface 163 being inclined toward a side away from the bracket body 1 in a protruding direction of the snap portion 162.

Specifically, the pole 64 may be provided with a locking groove, and the fourth guiding surface 163 may enable the pole to prop open the locking portions 162 on both sides, and enable the locking portions 162 to be further locked in the locking groove on the pole 64. In other embodiments, the clamping structure may also be a clamping member, that is, the clamping structure is clamped and fixed with the pole 64 by clamping the pole 64.

On the basis of the above scheme, referring to fig. 9, the present disclosure further provides a battery pack including a case and a battery assembly disposed in the case, the battery assembly including: a battery cell set 6; a bracket mounted to the battery cell set 6 and configured as the bracket for a battery assembly described above, the bracket including a bracket body 1 and a mounting portion; a battery information collector 7, the battery information collector 7 being mounted to the bracket body 1 and located between the upper side and the lower side of the bracket body 1; and the thermistor 8 is arranged in one-to-one correspondence with the mounting part and is mounted on the mounting part, and the thermistor 8 is used for sensing the temperature of the electric core set 6 and is electrically connected with the battery information collector 7.

Through above-mentioned technical scheme, install the battery pack of this disclosure support, can gather the temperature of electric core collection 6 upside and downside to this obtains the highest temperature and the minimum temperature of electric core collection 6, and in the battery information collector 7 who is connected with thermistor 8 electricity is transmitted, reduce the risk of data distortion, and make the adjustment strategy more accurate, reduced the waste of energy.

Wherein, referring to fig. 9, the upper mounting part (which may be the first mounting part 2) is located above the battery information collector 7, and the lower mounting part (which may be the second mounting part 3) is located below the battery information collector 7, that is, both above and below the battery information collector 7 are provided with the thermistor 8.

In addition, in the embodiment provided by the present disclosure, referring to fig. 8 and 9, a plurality of posts 64 are provided on the battery cell set in a protruding manner, at least some of the posts 64 are provided with a clamping groove, a plurality of mounting holes 15 for the posts 64 to pass through are provided on the bracket body 1, at least some of the sides of the mounting holes 15 are provided with clamping structures, the clamping structures are correspondingly provided with the clamping grooves, the clamping structures comprise clamping pieces 16 located at two sides of the mounting holes, and the clamping pieces 16 are clamped with the clamping grooves. It can be understood that only the clamping groove needs to be provided on the pole 64 corresponding to the clamping structure, the clamping groove may be configured as an annular groove, or only the portion of the pole 64 corresponding to the clamping members 16 on both sides is provided with the clamping groove having a groove structure, the clamping members 16 include a supporting portion 161 and a clamping portion 162, and the clamping portion 162 is used for being clamped into the clamping groove.

Further, in the embodiment provided in the present disclosure, referring to fig. 9, the housing includes a cooling plate on which one side of the cell set 6 is disposed, and the mounting portion on the lower side is disposed near the cooling plate, and the mounting portion on the upper side is disposed near the side of the cell set 6 remote from the cooling plate. That is, the upper thermistor 8 collects the highest temperature of the battery cell set 6, and the lower thermistor 8 collects the lowest temperature of the battery cell set 6, so that the temperature collected by the thermistor 8 is more comprehensive.

On the basis of the scheme, the disclosure also provides a vehicle which comprises the battery pack. Through the technical scheme, the vehicle provided with the battery pack can enable the adjustment strategy to be more accurate, and the energy waste is reduced.

The embodiment of the disclosure has an implementation principle that the bracket for a battery assembly is mounted on a battery cell set 6 of the battery assembly, the bracket comprises a bracket body 1 and a mounting part, wherein the upper side and the lower side of the bracket body 1 are respectively provided with at least one mounting part, that is, the bracket body 1 comprises at least two mounting parts, each mounting part is respectively provided with one thermistor 8, in this case, two or more thermistors 8 are respectively fixed and limited on the bracket body 1 through the mounting part (namely, a first mounting part 2) positioned on the upper side of the bracket body 1 or the mounting part (namely, a second mounting part 3) positioned on the lower side of the bracket body 1, the thermistors 8 are contacted with the end face of the battery cell set 6 from an opening 11, so that the temperatures of the upper side and the lower side of the battery cell set 6 are collected, that is, the highest temperature and the lowest temperature of the battery cell set 6 can be collected simultaneously, thereby reducing the risk of data distortion, and enabling the adjustment strategy to be more accurate, and reducing the waste of energy.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.

Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims (19)

1. The bracket for the battery assembly is characterized by comprising a bracket body and a mounting part, wherein the bracket body is provided with an upper side and a lower side which are opposite, at least one mounting part is respectively arranged on the upper side and the lower side, and a mounting space for mounting the thermistor and a limiting structure for limiting the thermistor on the bracket body are formed on the mounting part.

2. The bracket for a battery module according to claim 1, wherein the bracket body is provided with an opening that communicates with the installation space.

3. The bracket for a battery pack according to claim 2, wherein the mounting portion at the upper side includes a first mounting portion formed with a first mounting space, the limiting structure includes a first limiting structure and a second limiting structure disposed opposite to each other, the first limiting structure and the second limiting structure respectively forming a first abutment wall and a second abutment wall opposite to the bracket body, the first abutment wall and the second abutment wall being each for abutting the thermistor to restrict the thermistor from being separated from the first mounting space.

4. The bracket for a battery pack according to claim 3, wherein the first limit structure is fixedly connected to the bracket body and is configured as a mount, a mounting groove for inserting the end portion of the thermistor is provided on a side of the first limit structure facing the second limit structure, and the first abutment wall is formed on an inner wall of the mounting groove opposite to the bracket body.

5. The bracket for a battery pack according to claim 3, wherein the second stopper structure is fixedly connected to the bracket body and includes at least one first stopper, the second abutment wall is formed at a side wall of the first stopper toward the bracket body,

the first stopper is formed with a first guide surface inclined toward the first installation space side in a direction approaching the first stopper structure.

6. The bracket for a battery assembly according to any one of claims 3 to 5, wherein the first limit structure and the second limit structure are disposed in a vertical direction, and the first limit structure is located above the second limit structure.

7. The bracket for a battery pack according to claim 2, wherein the mounting portion at the lower side includes a second mounting portion formed with a second mounting space, the limiting structure includes a third limiting structure and a fourth limiting structure disposed opposite to each other, the third limiting structure and the fourth limiting structure respectively forming a fourth abutting wall of a third abutting wall opposite to the bracket body, the third abutting wall and the fourth abutting wall being each for abutting the thermistor to restrict the thermistor from being separated from the second mounting space.

8. The bracket for a battery assembly according to claim 7, wherein the third stopper includes at least one stopper including an extension fixedly connected to the bracket body and extending away from the bracket body and an abutment connected to the extension and forming the third abutment wall facing the bracket body,

the abutment section is formed with a second guide surface extending obliquely from a surface of the abutment section facing away from the bracket body toward the second installation space.

9. The bracket for a battery pack according to claim 8, wherein two of the stoppers are provided, and the two stoppers are disposed opposite to each other and on both sides of the second installation space, respectively.

10. The bracket for a battery pack according to claim 7, wherein the fourth stopper structure is fixedly connected to the bracket body and includes at least one second stopper, the fourth abutment wall is formed at a side wall of the second stopper toward the bracket body,

the second stopper is formed with a third guide surface inclined toward the second installation space side in a direction approaching the third stopper structure.

11. The bracket for a battery assembly according to any one of claims 7 to 10, wherein the third limit structure and the fourth limit structure are disposed in a vertical direction, and the third limit structure is located above the fourth limit structure.

12. The bracket for a battery assembly according to claim 1, wherein a plurality of first avoidance holes and protection covers are arranged on the upper side of the bracket body, the first avoidance holes are used for exposing explosion-proof valves of the battery cells, the protection covers are used for protecting liquid injection holes of the battery cells, and the installation part on the upper side is arranged between any two first avoidance holes.

13. The bracket for a battery pack according to claim 1, wherein a plurality of second avoidance holes distributed in a horizontal direction are formed in the lower side of the bracket body, the second avoidance holes correspond to bosses on the battery cell for connecting a circuit board or a collector, the plurality of second avoidance holes are respectively used for avoiding the corresponding bosses, and the mounting portion on the lower side is arranged between any two second avoidance holes.

14. The bracket for a battery pack according to claim 1, wherein a plurality of mounting holes for passing through the poles of the battery cells are provided in the bracket body, a plurality of the mounting holes are located between the upper side and the lower side of the bracket body, and at least a part of the sides of the mounting holes are provided with a clamping structure for clamping with the poles of the battery cells.

15. The bracket for a battery pack according to claim 14, wherein the clamping structure includes clamping pieces located at both sides of the mounting hole, the clamping pieces include a supporting portion fixedly connected to the bracket body and extending in a direction away from the bracket body, one clamping portion is provided at each of sides of the supporting portion, which are adjacent to each other, a fourth guide surface is provided at a side of the clamping portion facing the bracket body, and the fourth guide surface is inclined toward a side away from the bracket body in a protruding direction of the clamping portion.

16. A battery pack, the battery pack comprising a housing and a battery assembly disposed within the housing, the battery assembly comprising:

a battery cell set;

a bracket mounted to the cell set and configured as a bracket for a battery assembly according to any one of claims 1 to 15, the bracket comprising a bracket body and a mounting portion;

the battery information collector is arranged on the bracket body and is positioned between the upper side and the lower side of the bracket body; and

the thermistor is arranged in one-to-one correspondence with the mounting parts and is used for sensing the temperature of the battery cell set and is electrically connected with the battery information collector.

17. The battery pack according to claim 16, wherein a plurality of posts are provided on the battery cell set in a protruding manner, a clamping groove is provided on at least a portion of the posts, a plurality of mounting holes for the posts to pass through are provided on the bracket body, a clamping structure is provided on at least a portion of the sides of the mounting holes, the clamping structure is provided corresponding to the clamping groove, the clamping structure comprises clamping pieces located on two sides of the mounting holes, and the clamping pieces are clamped with the clamping grooves.

18. The battery pack of claim 16, wherein the housing includes a cooling plate, one side of the cell stack is disposed on the cooling plate, the mounting portion on the lower side is disposed proximate the cooling plate, and the mounting portion on the upper side is disposed proximate the side of the cell stack remote from the cooling plate.

19. A vehicle characterized in that it comprises a battery pack according to any one of claims 16-18.