CN220065911U - Battery pack shell, battery pack and mobile air conditioner - Google Patents

Abstract

The application provides a battery pack shell, a battery pack and a mobile air conditioner. The mobile air conditioner includes an air conditioner body and a battery pack. The battery pack comprises a battery pack shell and an electric core. The battery can body includes a housing and a cell support. The battery cell support is arranged in the shell. The battery cell support comprises a first battery cell shell and a second battery cell shell. The first battery cell shell and the second battery cell shell are oppositely arranged along the first direction and are used for clamping the battery cell between the first battery cell shell and the second battery cell shell. The first cell shell is provided with a first connecting column. The second cell shell is provided with a second connecting column. The housing is provided with a third connecting column. The first connecting post, the second connecting post and the third connecting post all extend along a first direction. The third connecting column is inserted into the second connecting column. The first connecting column and the third connecting column are respectively connected with the second connecting column. The application realizes the stable fixation of the battery cell bracket and the shell and the stability of the self structure of the battery cell bracket.

Description

Battery pack shell, battery pack and mobile air conditioner

Technical Field

The application relates to the technical field of electrical equipment, in particular to a battery pack shell, a battery pack and a mobile air conditioner.

Background

The battery enclosure typically includes a housing and a battery cell holder within the housing, typically for holding a battery cell for storing electrical energy. In the prior art, the fixing mode of the shell and the battery cell support is unstable, the structure of the battery cell support is unstable, the stable fixing of the battery cell in the battery cell support cannot be ensured, and the stable fixing of the battery cell support in the shell affects the use safety.

Disclosure of Invention

In view of the above, the present utility model provides a battery pack case, a battery pack and a mobile air conditioner, so as to achieve stable fixation of a battery cell bracket and a casing and stable structure of the battery cell bracket.

An embodiment of the present utility model provides a battery pack case. The battery can body includes a housing and a cell support. The battery cell support is arranged in the shell. The battery cell support comprises a first battery cell shell and a second battery cell shell. The first battery cell shell and the second battery cell shell are oppositely arranged along the first direction and are used for clamping the battery cell between the first battery cell shell and the second battery cell shell. The first cell shell is provided with a first connecting column. The second cell shell is provided with a second connecting column. The housing is provided with a third connecting column. The first connecting post, the second connecting post and the third connecting post all extend along a first direction. The third connecting column is inserted into the second connecting column. The first connecting column and the third connecting column are respectively connected with the second connecting column.

In the above embodiment, the first battery cell casing and the second battery cell casing are used for clamping the battery cell between the first battery cell casing and the second battery cell casing, and the stable fixation between the first battery cell casing and the second battery cell casing is realized through the connection of the first connecting column and the second connecting column, so that the battery cell bracket can stably fix the battery cell. And the third connecting column is inserted in the second connecting column, so that stable fixation between the second battery cell shell and the shell is realized, the risk that the battery cell support shakes in the shell is reduced, and the battery cell support is conveniently assembled and positioned in the shell. The first connecting column and the third connecting column are connected and matched with the second connecting column simultaneously, so that the first battery cell shell, the second battery cell shell and the shell are mutually related and mutually restrained and fixed, the structure of the battery pack shell is simplified, and meanwhile, the battery cell can be ensured to be stably fixed in the battery cell support and the battery cell support can be ensured to be stably fixed in the shell.

In some embodiments of the application, the battery pack housing further comprises a fastener. The fastener is simultaneously penetrated in the first connecting column, the second connecting column and the third connecting column along the first direction so as to enable the first connecting column, the second connecting column and the third connecting column to be connected with each other.

In the above embodiment, the first connection post, the second connection post and the third connection post are connected to each other by the fastener, so as to realize connection fixation between the first battery cell casing and the second battery cell casing, and connection fixation between the battery cell support and the casing, and realize the connection by one piece, which is beneficial to maintaining the relative position fixation. Meanwhile, the fastening piece is arranged in the first connecting column, the second connecting column and the third connecting column in a penetrating mode, so that the structural strength of the first connecting column, the second connecting column and the third connecting column can be enhanced from the inside, and the space for fixing the battery core of the battery core bracket is not required to be occupied.

In some embodiments of the application, the first connecting post forms a receiving cavity. The accommodating cavity extends along a first direction and penetrates through one end of the first connecting column far away from the second connecting column. One end of the fastener is accommodated in the accommodating cavity and abuts against the first connecting column, and the other end of the fastener is fixedly connected to the third connecting column.

In the above embodiment, one end of the fastener abuts against the first connecting column, and the other end is fixedly connected with the third connecting column, so that the first connecting column can be pressed to the third connecting column to clamp the second connecting column. Meanwhile, the fastener can be penetrated into the accommodating cavity from one end of the first connecting column far away from the second connecting column, and the fastener is hidden through the accommodating cavity, so that the relative position relationship between the battery cell bracket and the shell is prevented from being influenced by the fastener.

In some embodiments of the application, the first cell housing is provided with a fourth connection post. The second cell shell is provided with a fifth connecting column. The fourth connecting post and the fifth connecting post extend along the first direction and are connected with each other.

In the above embodiment, the connection stability of the first cell case and the second cell case is further enhanced by the connection of the fourth connection post and the fifth connection post in the first direction.

In some embodiments of the application, the first cell housing is provided with a plurality of first separators and a plurality of second separators. The plurality of first partitions are arranged at intervals along the second direction. The plurality of second separators are arranged at intervals along the third direction. The first partition plates and the second partition plates are intersected respectively and separate into a plurality of first installation cabins. The first connecting column and the fourth connecting column are respectively arranged at different intersections of the first partition board and the second partition board. The second cell case is provided with a plurality of third separators and a plurality of fourth separators. The plurality of third separators are arranged at intervals along the second direction. The plurality of fourth separators are arranged at intervals in the third direction. The third partition boards and the fourth partition boards are intersected respectively and separate a plurality of second installation cabins. The second connecting column and the fifth connecting column are respectively arranged at different intersections of the third partition board and the fourth partition board. A first installation bin and a second installation bin are matched and clamped with a battery cell. The first direction, the second direction and the third direction are intersected in pairs.

In the above embodiment, through the first baffle and the second baffle of following different direction interval arrangement, form the first installation storehouse of array arrangement on first electric core shell, through the third baffle and the fourth baffle of following different direction interval arrangement, form the second installation storehouse of array arrangement on the second electric core shell, first installation storehouse and second installation storehouse one-to-one and press from both sides and establish the electric core, can ensure the stable fixed to every electric core, can borrow external equipment to once only snatch a plurality of electric cores and assemble in first installation storehouse, second installation storehouse again. Meanwhile, the first connecting column and the fourth connecting column are respectively arranged at different intersections of the first partition board and the second partition board, the second connecting column and the fifth connecting column are respectively arranged at different intersections of the third partition board and the fourth partition board, the space for installing the power core in the first installation bin and the second installation bin is not occupied, and meanwhile, the first partition board, the second partition board, the third partition board and the fourth partition board can be matched to strengthen the structural strength of the power core shell and the second power core shell.

In some embodiments of the application, the first cell housing includes a first bottom plate and a first side plate disposed on a peripheral side of the first bottom plate. The first partition board and the second partition board are both arranged on the first bottom board. Two ends of the first partition board are respectively connected with the first side boards on two opposite sides. Two ends of the second partition board are respectively connected with the first side boards on two opposite sides. The junction of first baffle and first curb plate, the junction of second baffle and first curb plate is equipped with first spliced pole. The intersection of the first partition board and the second partition board, which is not provided with the first connecting column and the fourth connecting column, is provided with a second reinforcing column. The second battery cell shell comprises a second bottom plate and a second side plate arranged on the peripheral side of the second bottom plate. The third partition board and the fourth partition board are both arranged on the second bottom board. Two ends of the third partition board are respectively connected with the second side boards on two opposite sides. Two ends of the fourth baffle are respectively connected with the second side plates at two opposite sides. And a third reinforcing column is arranged at the joint of the third partition plate and the second side plate and the joint of the fourth partition plate and the second side plate. The intersection of the third partition board and the fourth partition board, which is not provided with the second connecting column and the fifth connecting column, is provided with a fourth reinforcing column.

In the above embodiment, the first partition plate, the second partition plate, the first bottom plate and the first side plate form a first mounting bin, and the third partition plate, the fourth partition plate, the second bottom plate and the second side plate form a second mounting bin. Through setting up first spliced pole and second spliced pole, when can not crowded space of first installation storehouse dress electrical core, make the structural strength of first electric core shell further promote, through setting up third spliced pole and fourth spliced pole, when can not crowded space of second installation storehouse dress electrical core, make the structural strength of second electric core shell further promote.

In some embodiments of the present application, the first and second battery cell housings are each provided with a plurality of first identification holes and a plurality of second identification holes. Each first identification hole is communicated with one first installation bin or one second installation bin. Each second identification hole is communicated with one first installation bin or one second installation bin. Each first mounting bin is provided with only first identification holes or only second identification holes. Each second mounting bin is provided with only first identification holes or only second identification holes. The first identification hole and the second identification hole are respectively used for indicating different setting directions of the battery cell in the first installation bin or the second installation bin.

In the above embodiment, the first identification hole and the second identification hole are provided, so that the identification effect can be achieved on the setting direction of the battery cell. And the first identification hole and the second identification hole are communicated with the first installation bin or the second installation bin, so that the identification can be realized on the outer side of the first battery cell shell or the second battery cell shell, the identification can also be realized on the inner side of the first battery cell shell or the second battery cell shell, and the heat dissipation effect can also be enhanced.

In some embodiments of the application, the housing comprises a first housing and a second housing. The first shell is connected with the second shell, and the first shell and the second shell are arranged outside the battery cell bracket in a surrounding mode. The first housing is provided with a positioning column. The first cell shell is provided with a positioning hole. The positioning column is inserted into the positioning hole. The third connecting column is arranged on the second shell.

In the above embodiment, the first housing and the second housing are connected to enclose the battery cell support, so that the battery cell support is conveniently installed and fixed in the housing to be protected by the housing. Through the cooperation of reference column and locating hole, can fix a position the relative position of first shell and first electric core shell fast, improve connection speed and connection stability, through the cooperation of third spliced pole and second spliced pole, can fix a position the relative position of second shell and second electric core shell fast, improve connection speed and connection stability.

An embodiment of the present application provides a battery pack. The battery pack comprises a battery cell and the battery pack shell according to any embodiment, wherein the battery cell is clamped between the first battery cell shell and the second battery cell shell.

In the above embodiment, the battery cell is clamped between the first battery cell shell and the second battery cell shell, and the first battery cell shell, the second battery cell shell and the housing are mutually related and restrained and fixed by the first connecting column, the second connecting column and the third connecting column, so that the battery cell is stably fixed on the battery cell support and the battery cell support is stably fixed on the housing.

An embodiment of the present application provides a mobile air conditioner. The mobile air conditioner includes an air conditioner body, an electrical connector, and a battery pack as described in any of the embodiments above. The air conditioner body is located outside the shell. The air conditioner body is provided with a first socket. The housing is provided with a second socket. The second socket is electrically connected with the battery core. The electric connector is inserted into the first socket and the second socket simultaneously, so that electric connection is formed between the first socket and the second socket.

In the above embodiment, the first connection column, the second connection column and the third connection column are connected with each other, so that the first battery cell shell, the second battery cell shell and the casing are mutually related and are mutually restricted and fixed, and the battery cell is stably fixed on the battery cell support and the battery cell support is stably fixed on the casing. The second socket is arranged on the shell and is electrically connected with the battery cell, so that the stability of the electrical connection of the second socket and the battery cell can be maintained, and the air conditioner body can obtain stable power supply of the battery pack.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope.

Fig. 1 is a schematic structural diagram of a mobile air conditioner according to an embodiment of the application;

FIG. 2 is a schematic view of the battery pack of FIG. 1;

FIG. 3 is a schematic view of an exploded structure of the battery pack of FIG. 2;

fig. 4 is a schematic structural view of the battery pack case when the first battery case is separated from the second battery case in fig. 3;

FIG. 5 is a schematic view of the cell holder of FIG. 4;

fig. 6 is a schematic structural diagram of the first battery cell casing in fig. 5;

fig. 7 is a schematic structural diagram of the second battery cell casing in fig. 5;

fig. 8 is a schematic structural view of the second cell housing of fig. 7 from another perspective;

FIG. 9 is a schematic top view of the battery pack housing of FIG. 3 with the first battery housing and the second battery housing connected;

FIG. 10 is a schematic cross-sectional view of section A-A of FIG. 9;

FIG. 11 is a schematic cross-sectional view of section B-B of FIG. 9;

FIG. 12 is a schematic side view of the battery pack of FIG. 2;

FIG. 13 is a schematic cross-sectional view of section C-C of FIG. 12;

fig. 14 is a schematic view of the structure of the first battery case of fig. 2;

Fig. 15 is a schematic view of the structure of the second battery case of fig. 2.

Description of main reference numerals:

100-battery pack case 200-battery cell 300-battery pack

400-mobile air conditioner

10-housing 20-cell holders 31, 32, 33-fasteners

101-first housing 102-second housing 103-second receptacle

201-first cell case 202-second cell case 301-BMS plate

302-nickel plate 303-insulating plate 401-air conditioner body

402-electrical connector

1011-positioning column 1021-third connecting column 1022-reinforcing part

2011-first connection post 2012-fourth connection post 2013-first separator

2014-second separator 2015-first mounting bin 2016-first floor

2017-first side panel 2018-first reinforcement post 2019-second reinforcement post

2021-second connection column 2022-fifth connection column 2023-third partition

2024-fourth partition 2025-second mounting bin 2026-second floor

2027-second side panel 2028-third reinforcement column 2029-fourth reinforcement column

4011-first socket

1021 a-wings 2011a, 2012 a-receiving cavity 2012 b-groove

2016 e-positioning holes 2017 a-heat dissipating holes 2017 b-protrusions

2021 a-receptacle 2021 b-elongated slot 2022 a-post

2027 a-tab 2027 b-recess 2016a, 2026 a-glue-reducing aperture

2016b, 2026 b-through holes 2016c, 2026 c-first identification holes 2016d, 2026 d-second identification holes

Z-first direction Y-second direction X-third direction

Detailed Description

The following description of the technical solutions according to the embodiments of the present application will be given with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The term "vertical" is used to describe an ideal state between two components. In the actual production or use state, there may be an approximately vertical state between the two components. For example, in conjunction with the numerical description, perpendicular may refer to an angle between two straight lines ranging between 90++10°, perpendicular may also refer to a dihedral angle between two planes ranging between 90++10°, and perpendicular may also refer to an angle between a straight line and a plane ranging between 90++10°. The two components described as "perpendicular" may be considered "straight" or "planar" as they are considered "straight" or "planar" in that they are not strictly straight or planar, but may be substantially straight or planar in that they extend in a macroscopic manner.

The term "parallel" is used to describe an ideal state between two components. In an actual production or use state, there may be a state of approximately parallelism between the two components. For example, in connection with numerical descriptions, parallel may refer to an angle between two straight lines ranging between 180++10°, parallel may refer to a dihedral angle between two planes ranging between 180++10°, and parallel may refer to an angle between a straight line and a plane ranging between 180++10°. The two components described as "parallel" may be considered "straight" or "planar" as they are considered "straight" or "planar" in that they are not strictly straight or planar, but may be substantially straight or planar in that they extend in a macroscopic manner.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The battery enclosure typically includes a housing and a battery cell holder within the housing, typically for holding a battery cell for storing electrical energy. In the prior art, the fixing mode of the shell and the battery cell support is unstable, the structure of the battery cell support is unstable, the stable fixing of the battery cell in the battery cell support cannot be ensured, and the stable fixing of the battery cell support in the shell affects the use safety.

In view of the above, embodiments of the present application provide a battery pack case, a battery pack, and a mobile air conditioner. The mobile air conditioner includes an air conditioner body and a battery pack. The battery pack comprises a battery pack shell and an electric core. The battery can body includes a housing and a cell support. The battery cell support is arranged in the shell. The battery cell support comprises a first battery cell shell and a second battery cell shell. The first battery cell shell and the second battery cell shell are oppositely arranged along the first direction and are used for clamping the battery cell between the first battery cell shell and the second battery cell shell. The first cell shell is provided with a first connecting column. The second cell shell is provided with a second connecting column. The housing is provided with a third connecting column. The first connecting post, the second connecting post and the third connecting post all extend along a first direction. The third connecting column is inserted into the second connecting column. The first connecting column and the third connecting column are respectively connected with the second connecting column.

The first battery cell shell and the second battery cell shell are used for clamping the battery cell between the first battery cell shell and the second battery cell shell, and stable fixation between the first battery cell shell and the second battery cell shell is realized through connection of the first connecting column and the second connecting column, so that the battery cell bracket can stably fix the battery cell. And the third connecting column is inserted in the second connecting column, so that stable fixation between the second battery cell shell and the shell is realized, the risk that the battery cell support shakes in the shell is reduced, and the battery cell support is conveniently assembled and positioned in the shell. The first connecting column and the third connecting column are connected and matched with the second connecting column simultaneously, so that the first battery cell shell, the second battery cell shell and the shell are mutually related and mutually restrained and fixed, the structure of the battery pack shell is simplified, and meanwhile, the battery cell can be ensured to be stably fixed in the battery cell support and the battery cell support can be ensured to be stably fixed in the shell.

Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without collision.

Referring to fig. 3, 10 and 11, one embodiment of the present application provides a battery pack case 100. The battery pack case 100 includes a housing 10 and a cell holder 20. The cell holder 20 is disposed within the housing 10. The cell holder 20 includes a first cell housing 201 and a second cell housing 202. The first cell case 201 and the second cell case 202 are disposed opposite to each other along the first direction Z, and are used to sandwich the battery cell 200 between the first cell case 201 and the second cell case 202. The first cell case 201 is provided with a first connection post 2011. The second cell housing 202 is provided with a second connection post 2021. The housing 10 is provided with a third connecting column 1021. The first connecting post 2011, the second connecting post 2021, and the third connecting post 1021 all extend along the first direction Z. The third connecting column 1021 is inserted into the second connecting column 2021. The first connecting column 2011 and the third connecting column 1021 are connected to the second connecting column 2021, respectively.

The first cell case 201 and the second cell case 202 are used for sandwiching the cell 200 therebetween, and the first connection post 2011 and the second connection post 2021 are connected to realize stable fixation between the first cell case 201 and the second cell case 202, so that the cell support 20 can stably fix the cell 200. The third connecting column 1021 is inserted into the second connecting column 2021, so as to realize stable fixation between the second battery cell casing 202 and the housing 10, reduce the risk of shaking the battery cell support 20 in the housing 10, and facilitate assembly and positioning of the battery cell support 20 in the housing 10. The first connecting column 2011 and the third connecting column 1021 are connected and matched with the second connecting column 2021 at the same time, so that the first battery cell shell 201, the second battery cell shell 202 and the outer shell 10 are mutually related and mutually restrained and fixed, the structure of the battery pack shell 100 is simplified, and meanwhile, the battery cell 200 can be ensured to be stably fixed in the battery cell support 20 and the battery cell support 20 can be ensured to be stably fixed in the outer shell 10.

Referring to fig. 8 and 15, in some embodiments, a plurality of wings 1021a extending along the first direction Z are disposed around the shaft on the peripheral side of the third connecting column 1021 at intervals, the second connecting column 2021 is provided with a jack 2021a into which the third connecting column 1021 is inserted, a plurality of long slots 2021b extending along the first direction Z are disposed around the shaft on the hole wall of the jack 2021a at intervals, the shapes of the long slots 2021b and the wings 1021a correspond to each other, and when the third connecting column 1021 is inserted into the jack 2021a of the second connecting column 2021, the wings 1021a are inserted into the long slots 2021b, so as to enhance the connection stability of the second connecting column 2021 and the third connecting column 1021.

Referring to fig. 4, 9-11, in some embodiments, the battery pack housing 100 further includes fasteners 31, 32, 33. The fastener 31 is simultaneously inserted into the first connecting post 2011, the second connecting post 2021 and the third connecting post 1021 along the first direction Z, so as to connect the first connecting post 2011, the second connecting post 2021 and the third connecting post 1021 to each other. The first connecting post 2011, the second connecting post 2021 and the third connecting post 1021 are connected with each other by the fastener 31, so as to realize connection fixation between the first cell case 201 and the second cell case 202, and connection fixation between the cell support 20 and the casing 10, and realize the connection with each other by one piece, which is beneficial to maintaining the relative position fixation. Meanwhile, the fastener 31 is arranged in the first connecting column 2011, the second connecting column 2021 and the third connecting column 1021 in a penetrating manner, so that the structural strength of the first connecting column 2011, the second connecting column 2021 and the third connecting column 1021 can be enhanced from the inside, and the space for fixing the battery cell 200 is not required to be occupied by the battery cell bracket 20. A part of the second connecting column 2021 is located between the first connecting column 2011 and the third connecting column 1021, and the first connecting column 2011 and the third connecting column 1021 tightly clamp the part of the second connecting column 2021 under the cooperation of the fastener 31.

Referring to fig. 4, 9 to 11, it can be understood that in some embodiments, the first connecting post 2011, the second connecting post 2021 and the third connecting post 1021 are all plural, and the positions thereof correspond to each other, the number of the fasteners 31, the fasteners 32 and the fasteners 33 are plural, and one fastener 31 connects a set of the first connecting post 2011, the second connecting post 2021 and the third connecting post 1021. In some embodiments, the fasteners 31, 32, 33 are screws, and the fastener 31 is threadedly engaged with the third connecting post 1021. In other embodiments, the fasteners 31, 32, 33 may also be parts including, but not limited to, bolts, snaps, etc., so long as the fasteners 31 are capable of being secured to the third connecting post 1021.

Referring to fig. 5, 6 and 11, in some embodiments, the first connection post 2011 forms a receiving cavity 2011a. The receiving cavity 2011a extends along the first direction Z and penetrates through an end of the first connecting post 2011 away from the second connecting post 2021. One end of the fastener 31 is accommodated in the accommodating cavity 2011a and abuts against the first connecting column 2011, and the other end of the fastener 31 is fixedly connected to the third connecting column 1021. One end of the fastener 31 abuts against the first connecting post 2011, and the other end is fixedly connected to the third connecting post 1021, so that the first connecting post 2011 can be pressed to the third connecting post 1021 to clamp the second connecting post 2021. Meanwhile, the fastener 31 can be penetrated into the accommodating cavity 2011a from one end of the first connecting column 2011 away from the second connecting column 2021, and the fastener 31 is hidden by the accommodating cavity 2011a, so that the relative position relationship between the cell bracket 20 and the housing 10 is prevented from being influenced by the fastener 31. And the housing cavity 2011a can improve the heat dissipation effect.

Referring to fig. 6, 7, 9-11, in some embodiments, the first cell housing 201 is provided with a fourth connection post 2012. The second cell housing 202 is provided with a fifth connection post 2022. The fourth connection post 2012 and the fifth connection post 2022 each extend along the first direction Z and are connected to each other. The connection stability of the first cell case 201 and the second cell case 202 is further enhanced by the connection of the fourth connection post 2012 and the fifth connection post 2022 in the first direction Z.

Referring to fig. 6, 7, 9-11, in some embodiments, the fourth connector post 2012 and the fifth connector post 2022 are connected by a fastener 32. The fourth connection post 2012 forms a receiving chamber 2012a. The receiving cavity 2012a extends in the first direction Z and penetrates an end of the fourth connection post 2012 remote from the fifth connection post 2022. One end of the fastener 32 is received in the receiving cavity 2012a and abuts against the fourth connection post 2012, and the other end is threadedly engaged with the fifth connection post 2022. The number of the fourth connecting posts 2012 and the fifth connecting posts 2022 is plural, and the positions thereof are set corresponding to each other, and one fastener 32 connects a set of the fourth connecting posts 2012 and the fifth connecting posts 2022.

Referring to fig. 6 and 7, in some embodiments, the fourth connection post 2012 forms a groove 2012b toward an end of the fifth connection post 2022, the fifth connection post 2022 forms a boss 2022a toward an end of the fourth connection post 2012, and the boss 2022a is inserted within the groove 2012b to serve as a fool-proof.

For example, during assembly, the fourth connector 2012 and the fifth connector 2022 are fastened by the fastener 32 to connect the first cell case 201 and the second cell case 202 so that the cell holder 20 is more stable. Then, the cell holder 20 is positioned on the housing 10 through the cooperation of the second connecting column 2021 and the third connecting column 1021, and then the first connecting column 2011, the second connecting column 2021 and the third connecting column 1021 are connected through the fastener 31, so that the assembly of the cell holder 20 and the housing 10 is completed.

Referring to fig. 6 and 7, in some embodiments, the first cell housing 201 is provided with a plurality of first partitions 2013 and a plurality of second partitions 2014. The plurality of first partitions 2013 are arranged in parallel and at intervals along the second direction Y. The plurality of second partitions 2014 are arranged in parallel and at intervals along the third direction X. The plurality of first partitions 2013 intersect the plurality of second partitions 2014, respectively, and separate a plurality of first mounting bins 2015. The first connecting post 2011 and the fourth connecting post 2012 are respectively disposed at different intersections of the first separator 2013 and the second separator 2014.

The second cell case 202 is provided with a plurality of third separators 2023 and a plurality of fourth separators 2024. The plurality of third spacers 2023 are arranged in parallel and at intervals along the second direction Y. The plurality of fourth spacers 2024 are arranged in parallel and at intervals along the third direction X. The plurality of third partitions 2023 intersect the plurality of fourth partitions 2024, respectively, and separate a plurality of second mounting bins 2025. The second connecting column 2021 and the fifth connecting column 2022 are respectively disposed at different intersections of the third partition 2023 and the fourth partition 2024. A first mounting compartment 2015 cooperates with a second mounting compartment 2025 to sandwich a battery cell 200. The first direction Z, the second direction Y and the third direction X are intersected in pairs.

Through the first baffle 2013 and the second baffle 2014 of interval arrangement along different directions, form the first installation storehouse 2015 of array arrangement on first electric core shell 201, through the third baffle 2023 and the fourth baffle 2024 of interval arrangement along different directions, form the second installation storehouse 2025 of array arrangement on second electric core shell 202, first installation storehouse 2015 and second installation storehouse 2025 one-to-one and press from both sides and set up electric core 200, can ensure the stable fixed to every electric core 200, can borrow external equipment to snatch a plurality of electric cores 200 once only and assemble in first installation storehouse 2015, second installation storehouse 2025. Meanwhile, the first connecting column 2011 and the fourth connecting column 2012 are respectively arranged at different intersections of the first partition 2013 and the second partition 2014, the second connecting column 2021 and the fifth connecting column 2022 are respectively arranged at different intersections of the third partition 2023 and the fourth partition 2024, so that the space for installing the electric core 200 in the first installation cabin 2015 and the second installation cabin 2025 is not occupied, and meanwhile, the first partition 2013, the second partition 2014, the third partition 2023 and the fourth partition 2024 can be matched to strengthen the structural strength of the first electric core shell 201 and the second electric core shell 202.

It is understood that in some embodiments, the first direction Z, the second direction Y, and the third direction X are perpendicular to each other.

Referring to fig. 5-7, in some embodiments, the first cell case 201 includes a first base plate 2016 and a first side plate 2017 provided on a peripheral side of the first base plate 2016. The first partition 2013 and the second partition 2014 are disposed on the first bottom plate 2016. Both ends of the first separator 2013 are connected to first side plates 2017 at opposite sides, respectively. Both ends of the second partition 2014 are connected to the first side plates 2017 on opposite sides, respectively. A first reinforcement post 2018 is provided at a junction of the first separator 2013 and the first side plate 2017 and at a junction of the second separator 2014 and the first side plate 2017. The intersection of the first separator 2013 and the second separator 2014 without the first connecting post 2011 and the fourth connecting post 2012 is provided with a second reinforcing post 2019. The first and second partitions 2013, 2014 cooperate with the first floor 2016 and the first side plate 2017 to form a first mounting pocket 2015. By providing the first reinforcement posts 2018 and the second reinforcement posts 2019, the structural strength of the first cell case 201 is further improved while the space for mounting the cell 200 in the first mounting bin 2015 is not occupied.

The second battery cell case 202 includes a second bottom plate 2026 and a second side plate 2027 provided on the peripheral side of the second bottom plate 2026. The third and fourth spacers 2023 and 2024 are disposed on the second bottom plate 2026. Both ends of the third partition 2023 are connected to second side plates 2027 on opposite sides, respectively. Both ends of the fourth diaphragm 2024 are connected to second side plates 2027 on opposite sides, respectively. A third reinforcement column 2028 is provided at the junction of the third partition 2023 and the second side plate 2027 and at the junction of the fourth partition 2024 and the second side plate 2027. The intersection of the third spacer 2023 and the fourth spacer 2024 where the second connecting column 2021 and the fifth connecting column 2022 are not provided is provided with a fourth reinforcing column 2029. The third and fourth partitions 2023 and 2024 cooperate with the second bottom plate 2026 and the second side plate 2027 to form a second mounting bin 2025. By providing the third reinforcement column 2028 and the fourth reinforcement column 2029, the structural strength of the second battery case 202 is further improved while the space for mounting the battery 200 in the second mounting bin 2025 is not occupied.

Referring to fig. 5-7, it can be appreciated that in some embodiments, the first floor 2016 and the second floor 2026 are parallel to each other, the first floor 2016 and the second floor 2026 are perpendicular to the first direction Z, the first side panel 2017 is perpendicular to the first floor 2016, the second side panel 2027 is perpendicular to the second floor 2026, and the first side panel 2017 and the second side panel 2027 abut each other.

Referring to fig. 6 and 7, in some embodiments, the heights of the first reinforcement pillar 2018 and the second reinforcement pillar 2019 in the first direction Z are greater than the heights of the first separator 2013 and the second separator 2014, so that no undercut is required, and no mold opening insert is required to be added during manufacturing, so that the cost is low, and the mold stripping is facilitated. Also, the heights of the first and second reinforcement posts 2018 and 2019 in the first direction Z are smaller than the heights of the first and fourth connection posts 2011 and 2012 to save material. The third reinforcement column 2028 and the fourth reinforcement column 2029 have a height in the first direction Z greater than the height of the third spacer 2023 and the fourth spacer 2024, and may be manufactured without a back-off, without adding an insert for mold opening, with low cost, and more advantageous for mold stripping. And, the heights of the third and fourth reinforcement columns 2028 and 2029 in the first direction Z are smaller than the heights of the second and fifth connection columns 2021 and 2022 to save materials.

Referring to fig. 5-8, in some embodiments, a side of the first floor 2016 facing away from the second floor 2026 and a side of the second floor 2026 facing away from the first floor 2016 are provided with a plurality of glue reducing holes 2016a, 2026a, respectively. The glue reducing holes 2016a, 2026a prevent the mold from shrinking and dissipate heat. The plurality of glue reducing holes 2016a, 2026a are located at the first reinforcement post 2018 and the third reinforcement post 2028, respectively. The first base plate 2016 and the second base plate 2026 are respectively provided with a plurality of through holes 2016b and 2026b, the plurality of through holes 2016b and 2026b are respectively positioned at the second reinforcement posts 2019 and the fourth reinforcement posts 2029, and as an exemplary example, the diameters of the through holes 2016b and 2026b are about 5.5mm, so that the mold stripping and the heat dissipation increase are facilitated.

Referring to fig. 5 and 8, in some embodiments, the first and second cell housings 201, 202 are each provided with a plurality of first identification holes 2016c, 2026c and a plurality of second identification holes 2016d, 2026d. Each first identification aperture 2016c, 2026c communicates with one first mounting bin 2015 or one second mounting bin 2025. Each second identification hole 2016d, 2026d communicates with one of the first mounting bins 2015 or one of the second mounting bins 2025. Each first mounting pocket 2015 is provided with only a first identification aperture 2016c or only a second identification aperture 2016d. Each second mounting pocket 2025 is provided with only a first identification aperture 2026c or only a second identification aperture 2026d. The first identification holes 2016c, 2026c and the second identification holes 2016d, 2026d are used to indicate different orientations of the battery cells 200 within the first mounting pocket 2015 or the second mounting pocket 2025, respectively.

By providing the first identification holes 2016c, 2026c and the second identification holes 2016d, 2026d, the direction in which the cells 200 are arranged can be identified. And the first identification holes 2016c, 2026c and the second identification holes 2016d, 2026d are communicated with the first installation bin 2015 or the second installation bin 2025, so that the identification can be performed on the outer side of the first cell shell 201 or the second cell shell 202, the identification can be performed on the inner side of the first cell shell 201 or the second cell shell 202, and the heat dissipation effect can be enhanced. The first base plate 2016 is provided with a first identification hole 2016c and a second identification hole 2016d, and the second base plate 2026 is provided with a first identification hole 2026c and a second identification hole 2026d.

It will be appreciated that in some embodiments, the first identification holes 2016c, 2026c are shaped "plus" in a direction perpendicular to the first direction Z, and the second identification holes 2016d, 2026d are shaped "minus" in a direction perpendicular to the first direction Z, representing the positive and negative poles of the cell 200, respectively.

Referring to fig. 2, 3, 11, 14, and 15, in some embodiments, the housing 10 includes a first housing 101 and a second housing 102. The first housing 101 is detachably connected with the second housing 102, and the first housing 101 and the second housing 102 are enclosed outside the cell support 20. The first housing 101 is provided with a positioning post 1011. The first cell case 201 is provided with a positioning hole 2016e. The positioning post 1011 is inserted into the positioning hole 2016e. The third connection column 1021 is provided in the second housing 102. The first housing 101 and the second housing 102 are connected to enclose the cell holder 20, so that the cell holder 20 is conveniently installed and fixed in the housing 10 to be protected by the housing 10. The relative positions of the first housing 101 and the first cell case 201 can be quickly positioned by the cooperation of the positioning column 1011 and the positioning hole 2016e, so that the connection speed and the connection stability are improved, and the relative positions of the second housing 102 and the second cell case 202 can be quickly positioned by the cooperation of the third connecting column 1021 and the second connecting column 2021, so that the connection speed and the connection stability are improved.

It will be appreciated that in some embodiments, the positioning hole 2016e is provided on a side of the first base plate 2016 facing away from the second base plate 2026, and the positioning hole 2016e is provided at the location of the first connecting post 2011, or the second connecting post 2021, or the first reinforcement post 2018, or the second reinforcement post 2019.

Referring to fig. 4, 7, 8, 13 and 15, in some embodiments, the peripheral side of the second cell housing 202 protrudes to form a ledge 2027a. The second housing 102 is provided with a reinforcement 1022. The lug 2027a is connected to the reinforcing portion 1022. In some embodiments, the lug 2027a is disposed on the outer periphery of the second side plate 2027, and the lug 2027a is locked to the second housing 102 by the fastener 33, so as to improve the stability of the connection between the cell holder 20 and the housing 10. In some embodiments, the peripheral side of the first side plate 2017 is provided with heat dissipation holes 2017a to facilitate heat dissipation. In some embodiments, the first side plate 2017 is provided with a protrusion 2017b along the first direction Z, the second side plate 2027 is provided with a recess 2027b along the first direction Z, and when the first cell case 201 and the second cell case 202 are connected, the protrusion 2017b protrudes into the recess 2027 b. The battery cell holder 20 is provided with the protrusion 2017b and the recess 2027b on one of opposite sides of the second direction Y, or the battery cell holder 20 is provided with the protrusion 2017b and the recess 2027b on one of opposite sides of the third direction X, and the protrusion 2017b and the recess 2027b cooperate to prevent foolproof, so that the first battery cell case 201 is prevented from being mounted reversely in the second direction Y or the third direction X.

Referring to fig. 1 to 3, 12 and 13, an embodiment of the present application provides a battery pack 300. The battery pack 300 includes the battery cell 200 and the battery pack case 100 according to any of the above embodiments, and the battery cell 200 is sandwiched between the first battery cell case 201 and the second battery cell case 202.

The battery cell 200 is clamped between the first battery cell shell 201 and the second battery cell shell 202, and the first battery cell shell 201, the second battery cell shell 202 and the shell 10 are mutually related and restrained and fixed by the first connecting column 2011, the second connecting column 2021 and the third connecting column 1021, so that the battery cell 200 is stably fixed on the battery cell bracket 20 and the battery cell bracket 20 is stably fixed on the shell 10.

Referring to fig. 3, in some embodiments, the battery pack 300 further includes a BMS (Battery Management System ) plate 301, a nickel plate 302, and an insulating plate 303. The BMS board 301 is provided at the outer circumferential sides of the first and second battery cell cases 201 and 202. The nickel plate 302 is stacked on the side of the first cell case 201 facing away from the second cell case 202 and the side of the second cell case 202 facing away from the first cell case 201 to establish electrical connection between the cells 200 and the BMS board 301. The insulating sheet 303 covers the side of the nickel sheet 302 facing away from the cell holder 20.

Referring to fig. 1 and 2, an embodiment of the present application provides a mobile air conditioner 400. The mobile air conditioner 400 includes an air conditioner body 401, an electrical connector 402, and the battery pack 300 as described in any of the embodiments above. The air conditioner body 401 is disposed above the casing 10. The air conditioner body 401 is provided with a first receptacle 4011. The housing 10 is provided with a second socket 103. The second socket 103 is electrically connected with the BMS board 301. The electrical connector 402 is inserted into both the first electrical receptacle 4011 and the second electrical receptacle 103, such that an electrical connection is formed between the first electrical receptacle 4011 and the second electrical receptacle 103.

The first connection post 2011, the second connection post 2021 and the third connection post 1021 are connected to each other, so that the first cell case 201, the second cell case 202 and the casing 10 are mutually related and restrained and fixed, and the cell 200 is stably fixed on the cell bracket 20 and the cell bracket 20 is stably fixed on the casing 10. The second socket 103 is provided in the housing 10 and electrically connected to the battery cell 200, so that the second socket 103 can be stably electrically connected to the battery cell 200, and the air conditioner body 401 can stably supply power to the battery pack 300.

The above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present application.

The information disclosed in the background section of the application is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Claims (10)

1. The utility model provides a battery package casing, includes shell and electric core support, electric core support locates in the shell, electric core support includes first electric core shell and second electric core shell, first electric core shell with the second electric core shell sets up along first direction relatively, and is used for locating electric core clamp first electric core shell with between the second electric core shell, its characterized in that:

the first electric core shell is provided with a first connecting column, the second electric core shell is provided with a second connecting column, the shell is provided with a third connecting column, the first connecting column, the second connecting column and the third connecting column extend along the first direction, the third connecting column is inserted into the second connecting column, and the first connecting column and the third connecting column are respectively connected with the second connecting column.

2. The battery pack case according to claim 1, wherein: the battery pack housing further comprises a fastener, and the fastener is arranged in the first connecting column, the second connecting column and the third connecting column in a penetrating mode along the first direction at the same time, so that the first connecting column, the second connecting column and the third connecting column are connected with each other.

3. The battery pack case according to claim 2, wherein: the first connecting column forms a containing cavity, the containing cavity extends along the first direction and penetrates through one end of the first connecting column far away from the second connecting column, one end of the fastener is contained in the containing cavity and abuts against the first connecting column, and the other end of the fastener is fixedly connected with the third connecting column.

4. The battery pack case according to claim 1, wherein: the first electric core shell is provided with a fourth connecting column, the second electric core shell is provided with a fifth connecting column, and the fourth connecting column and the fifth connecting column extend along the first direction and are connected with each other.

5. The battery pack case according to claim 4, wherein: the first battery cell shell is provided with a plurality of first partition boards and a plurality of second partition boards, the first partition boards are arranged at intervals along a second direction, the second partition boards are arranged at intervals along a third direction, the first partition boards and the second partition boards are respectively intersected and separated into a plurality of first installation cabins, and the first connecting columns and the fourth connecting columns are respectively arranged at different intersections of the first partition boards and the second partition boards;

The second battery cell shell is provided with a plurality of third partition boards and a plurality of fourth partition boards, the third partition boards are arranged at intervals along the second direction, the fourth partition boards are arranged at intervals along the third direction, the third partition boards and the fourth partition boards are respectively intersected, a plurality of second mounting bins are separated, and the second connecting columns and the fifth connecting columns are respectively arranged at different intersections of the third partition boards and the fourth partition boards;

the first installation bin and the second installation bin are matched and clamped with the battery cell; the first direction, the second direction and the third direction are intersected in pairs respectively.

6. The battery pack case according to claim 5, wherein: the first battery cell shell comprises a first bottom plate and a first side plate arranged on the periphery of the first bottom plate, the first partition plate and the second partition plate are arranged on the first bottom plate, two ends of the first partition plate are respectively connected with the first side plates on two opposite sides, two ends of the second partition plate are respectively connected with the first side plates on two opposite sides, a first reinforcing column is arranged at the joint of the first partition plate and the first side plate and the joint of the second partition plate and the first side plate, and a second reinforcing column is arranged at the joint of the first partition plate and the second partition plate, which is not provided with the first connecting column and the fourth connecting column;

The second battery cell shell comprises a second bottom plate and a second side plate arranged on the periphery of the second bottom plate, the third partition plate and the fourth partition plate are all arranged on the second bottom plate, two ends of the third partition plate are respectively connected with the second side plate on two opposite sides, two ends of the fourth partition plate are respectively connected with the second side plate on two opposite sides, a third reinforcing column is arranged at the joint of the third partition plate and the second side plate and the joint of the fourth partition plate and the second side plate, and a fourth reinforcing column is arranged at the joint of the third partition plate and the fourth partition plate, which is not provided with the second connecting column and the fifth connecting column.

7. The battery pack case according to claim 5, wherein: the battery cell comprises a first battery cell shell and a second battery cell shell, wherein the first battery cell shell and the second battery cell shell are respectively provided with a plurality of first identification holes and a plurality of second identification holes, each first identification hole is communicated with one first installation bin or one second installation bin, each second identification hole is communicated with one first installation bin or one second installation bin, each first installation bin is only provided with the first identification holes or only with the second identification holes, each second installation bin is only provided with the first identification holes or only with the second identification holes, and the first identification holes and the second identification holes are respectively used for indicating different setting directions of the battery cells in the first installation bin or the second installation bin.

8. The battery pack case according to any one of claims 1 to 7, wherein: the shell comprises a first shell and a second shell, the first shell is connected with the second shell, the first shell and the second shell are arranged outside the battery cell support in a surrounding mode, the first shell is provided with a positioning column, the first battery cell shell is provided with a positioning hole, the positioning column is inserted into the positioning hole, and the third connecting column is arranged on the second shell.

9. A battery pack, characterized in that: comprising the battery cell and the battery pack case according to any one of claims 1 to 8, the battery cell being sandwiched between the first battery cell case and the second battery cell case.

10. A mobile air conditioner, characterized in that: the battery pack comprises an air conditioner body, an electric connector and the battery pack according to claim 9, wherein the air conditioner body is positioned on the outer side of the shell, the air conditioner body is provided with a first socket, the shell is provided with a second socket, the second socket is electrically connected with the battery cell, and the electric connector is simultaneously inserted into the first socket and the second socket so that electric connection is formed between the first socket and the second socket.