Battery box and battery pack

Abstract

The utility model relates to a battery box and a battery pack, and relates to the technical field of batteries, the battery box comprises a box body, a battery pack circuit breaking unit, a first heat exchange plate and a second heat exchange plate, the battery pack circuit breaking unit is arranged in the box body, and the battery pack circuit breaking unit comprises a first side surface and a second side surface which are opposite to each other; the first heat exchange plate is connected with the box body, and at least part of the first heat exchange plate covers the first side face; the second heat exchange plate is connected with the box body, and at least part of the second heat exchange plate covers the second side face. According to the battery box and the battery pack, the cooling efficiency of the battery pack circuit breaking unit can be improved, so that the working temperature of the battery pack circuit breaking unit is kept in a normal range, and safety accidents are avoided.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a battery box and a battery pack. Background Art

[0002] BDU (referred to as battery pack disconnect unit in this article) is an important component in the battery system, which can be used to control and manage the electrical circuit inside the battery. During the control process, the temperature of the battery pack disconnect unit will gradually increase. In the related art, the battery pack disconnect unit is only cooled on one side, which has low cooling efficiency and easily leads to a high operating temperature of the battery pack disconnect unit, causing safety accidents. Utility Model Content

[0003] In order to solve the above technical problems, an embodiment of the present application provides a battery box and a battery pack, which can improve the cooling efficiency of the battery pack circuit breaker unit, so that the operating temperature of the battery pack circuit breaker unit is maintained within a normal range, avoiding safety accidents.

[0004] In a first aspect, a battery box is provided, comprising:

[0005] Box;

[0006] A battery pack disconnecting unit is disposed in the box, and the battery pack disconnecting unit includes a first side surface and a second side surface that are opposite to each other;

[0007] A first heat exchange plate connected to the box body, wherein at least a portion of the first heat exchange plate covers the first side surface;

[0008] The second heat exchange plate is connected to the box body, and at least a portion of the second heat exchange plate covers the second side surface.

[0009] According to the first aspect of the present application, the battery box further includes:

[0010] The first heat conductor is disposed between the first heat exchange plate and the first side surface, and two opposite sides of the first heat conductor are respectively in contact with the first heat exchange plate and the first side surface.

[0011] According to the first aspect of the present application, the battery box further includes:

[0012] The second heat conductor is disposed between the second heat exchange plate and the second side surface, and two opposite sides of the second heat conductor are respectively in contact with the second heat exchange plate and the second side surface.

[0013] According to the first aspect of the present application, the battery pack disconnecting unit comprises:

[0014] A housing having a through hole;

[0015] A connecting row, a portion of which is located in the housing, and another portion of which passes through the through hole and is exposed to the outer surface of the housing;

[0016] A plurality of electrical components are arranged in the housing, and the plurality of electrical components are connected through the connection row.

[0017] According to the first aspect of the present application, the housing includes a first bracket and a second bracket arranged opposite to each other, the first bracket and the second bracket are detachably matched, the first side surface is arranged on the side of the first bracket away from the second bracket, and the second side surface is arranged on the side of the second bracket away from the first bracket, the first bracket and the second bracket are both provided with the through hole, and the through hole of the first bracket passes through the first side surface, and the through hole of the second bracket passes through the second side surface.

[0018] According to the first aspect of the present application, the surface of the connection row exposed by the through hole is coplanar with the first side surface;

[0019] A surface of the connection row exposed by the through hole is coplanar with the second side surface.

[0020] According to the first aspect of the present application, the battery box further includes:

[0021] A first heat conductor is disposed between the first heat exchange plate and the first side surface, one side of the first heat conductor is attached to the first heat exchange plate, and the other side of the first heat conductor is attached to the first side surface and the surface of the connecting row coplanar with the first side surface;

[0022] The second heat conductor is disposed between the second heat exchange plate and the second side surface, one side of the second heat conductor is attached to the second heat exchange plate, and the other side of the second heat conductor is attached to the second side surface and the surface of the connecting row coplanar with the second side surface.

[0023] According to the first aspect of the present application, the first heat exchange plate and / or the second heat exchange plate is provided with a plurality of flow channels; a liquid inlet is formed at one end of the plurality of flow channels, and a liquid outlet is formed at the other end;

[0024] The battery box also includes:

[0025] A liquid inlet pipe, disposed on the side wall of the box body and connected to the liquid inlet;

[0026] The liquid outlet pipe is arranged on the side wall of the box body and is communicated with the liquid outlet.

[0027] In a second aspect, a battery pack is also provided, comprising:

[0028] A battery box as described in the previous embodiment;

[0029] The battery cell module is arranged in the box.

[0030] According to a second aspect of the present application, the first heat exchange plate includes a first cooling zone and a second cooling zone, the first cooling zone covers the first side surface, and the second cooling zone covers one side of the battery core module; and / or,

[0031] The second heat exchange plate includes a third cooling zone and a fourth cooling zone, the third cooling zone covers the second side surface, and the fourth cooling zone covers one side of the battery core module.

[0032] The battery box and battery pack provided in the embodiments of the present application include a box body, a battery pack circuit breaker unit, a first heat exchange plate and a second heat exchange plate. The battery pack circuit breaker unit is arranged in the box body, and the battery pack circuit breaker unit includes a first side surface and a second side surface that are opposite to each other; the first heat exchange plate is connected to the box body, and at least part of the first heat exchange plate covers the first side surface; the second heat exchange plate is connected to the box body, and at least part of the second heat exchange plate covers the second side surface. In this way, the first heat exchange plate cools the first side surface, and the second heat exchange plate cools the second side surface, so that the battery pack circuit breaker unit can be cooled on both sides, thereby improving the cooling efficiency of the battery pack circuit breaker unit, so that the operating temperature of the battery pack circuit breaker unit is maintained within a normal range, and safety accidents are avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] By describing the embodiments of the present application in more detail in conjunction with the accompanying drawings, the above and other purposes, features and advantages of the present application will become more apparent. The accompanying drawings are used to provide a further understanding of the embodiments of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings, the same reference numerals generally represent the same components or steps.

[0034] Figure 1 A schematic diagram of the structure of a battery pack provided as an exemplary embodiment of the present application.

[0035] Figure 2 An exploded schematic diagram of a battery pack provided as an exemplary embodiment of the present application.

[0036] Figure 3 A schematic structural diagram of a battery pack disconnecting unit provided by an exemplary embodiment of the present application at a first viewing angle.

[0037] Figure 4 A schematic structural diagram of a battery pack disconnecting unit provided by an exemplary embodiment of the present application at a second viewing angle.

[0038] Figure 5A schematic structural diagram of a battery pack disconnecting unit, a first heat conductor, and a second heat conductor provided in an exemplary embodiment of the present application.

[0039] Figure 6 A schematic structural diagram of a first heat exchange plate provided in an exemplary embodiment of the present application.

[0040] Figure 7 A schematic structural diagram of a second heat exchange plate provided in an exemplary embodiment of the present application.

[0041] Figure 8 for Figure 2 A magnified schematic diagram of center A.

[0042] Figure markings: 100-battery box; 110-box; 120-battery pack disconnect unit; 121-first side; 122-second side; 123-housing; 1230-through hole; 1231-first bracket; 1232-second bracket; 124-connecting row; 130-first heat exchange plate; 131-first cooling zone; 132-second cooling zone; 140-second heat exchange plate; 141-third cooling zone; 142-fourth cooling zone; 150-first heat conductor; 160-second heat conductor; 170-flow channel; 180-liquid inlet pipe; 190-liquid outlet pipe; 200-battery pack; 210-battery cell module; 220-sealing strip. DETAILED DESCRIPTION

[0043] Below, the exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and it should be understood that the present application is not limited to the exemplary embodiments described here.

[0044] Figure 1 A schematic diagram of the structure of a battery pack provided as an exemplary embodiment of the present application. Figure 2 An exploded schematic diagram of a battery pack provided as an exemplary embodiment of the present application. Figure 3 A schematic structural diagram of a battery pack disconnecting unit provided by an exemplary embodiment of the present application at a first viewing angle. Figure 4 A schematic diagram of the structure of a battery pack disconnect unit provided by an exemplary embodiment of the present application at a second viewing angle. Figures 1 to 4 As shown, the battery pack 200 provided in the embodiment of the present application may include a battery box 100 and a battery cell module 210 . The battery cell module 210 is disposed in a box body 110 , and the box body 110 protects the battery cell module 210 .

[0045] The battery box 100 provided in the embodiment of the present application may include a box body 110, a battery pack circuit breaker unit 120, a first heat exchange plate 130 and a second heat exchange plate 140. The battery pack circuit breaker unit 120 is disposed in the box body 110. The battery pack circuit breaker unit 120 includes a first side surface 121 and a second side surface 122 opposite to each other. The first heat exchange plate 130 is connected to the box body 110, and at least a portion of the first heat exchange plate 130 covers the first side surface 121. The second heat exchange plate 140 is connected to the box body 110, and at least a portion of the second heat exchange plate 140 covers the second side surface 122.

[0046] It should be understood that during the operation of the battery pack disconnecting unit 120, the internal electrical components generate heat after being energized, and the heat can be transferred to the first side 121 and the second side 122. The first heat exchange plate 130 at least partially covers the first side 121, and can absorb the heat transferred to the first side 121 to cool the first side 121; the second heat exchange plate 140 at least partially covers the second side 122, and can absorb the heat transferred to the second side 122 to cool the second side 122. Therefore, the battery box 100 and the battery pack 200 provided in the embodiment of the present application can cool the first side 121 by the first heat exchange plate 130 and the second side 122 by the second heat exchange plate 140, so as to perform double-sided cooling on the battery pack disconnecting unit 120, thereby improving the cooling efficiency of the battery pack disconnecting unit 120, so that the operating temperature of the battery pack disconnecting unit 120 is kept within a normal range, and safety accidents are avoided.

[0047] In one embodiment, part of the first heat exchange plate 130 may cover the first side surface 121, and another part of the first heat exchange plate 130 may cover the battery cell module 210, and the first heat exchange plate 130 may cool the first side surface 121 and the battery cell module 210; similarly, part of the second heat exchange plate 140 may cover the second side surface 122, and another part of the second heat exchange plate 140 may cover the battery cell module 210, and the second heat exchange plate 140 may cool the second side surface 122 and the battery cell module 210. This will be described in detail later.

[0048] In one embodiment, the entire first heat exchange plate 130 may cover the first side surface 121 , and the entire second heat exchange plate 140 may cover the second side surface 122 , and the first heat exchange plate 130 and the second heat exchange plate 140 may perform targeted cooling on the battery pack disconnecting unit 120 .

[0049] In one embodiment, the first side surface 121 and the second side surface 122 opposite to each other can be understood as the top surface and the bottom surface (in terms of Figure 3 The placement state of the battery pack disconnect unit 120 is used as a reference).

[0050] In one embodiment, the first side surface 121 and the second side surface 122 that are opposite to each other can also be understood as the opposite side walls (in terms of Figure 3 The placement state of the battery pack disconnect unit 120 is used as a reference).

[0051] In one embodiment, the first side surface 121 and the second side surface 122 are arranged in parallel, and correspondingly, the first heat exchange plate 130 and the second heat exchange plate 140 are arranged in parallel, ensuring that the first heat exchange plate 130 is tightly fitted to the first side surface 121 , and the second heat exchange plate 140 is tightly fitted to the second side surface 122 .

[0052] In one embodiment, the material of the first heat exchange plate 130 and / or the second heat exchange plate 140 may be three-series aluminum or six-series aluminum, which has good heat exchange capacity.

[0053] like Figure 1 As shown, the battery pack 200 may further include a sealing strip 220, which is arranged between the first heat exchange plate 130 and the box body 110. The sealing strip 220 can block external liquid from entering the box body 110, thereby preventing the battery cell module 210 from short-circuiting due to contact with liquid.

[0054] Figure 5 The schematic diagram of the structure of the battery pack disconnection unit, the first heat conductor and the second heat conductor provided by an exemplary embodiment of the present application. Figures 2 to 5 As shown, the battery box 100 may further include a first heat conductor 150, which is disposed between the first heat exchange plate 130 and the first side surface 121, and opposite sides of the first heat conductor 150 are respectively in contact with the first heat exchange plate 130 and the first side surface 121. In this way, on the one hand, the first heat conductor 150 can transfer the heat diffused to the first side surface 121 to the first heat exchange plate 130, and assist the first heat exchange plate 130 in cooling the first side surface 121; on the other hand, the first heat conductor 150 is made of insulating material, and the first heat conductor 150 can insulate and separate the first side surface 121 from the first heat exchange plate 130, so as to avoid a short circuit.

[0055] Similarly, if Figures 2 to 5 As shown, the battery box 100 may further include a second heat conductor 160, which is disposed between the second heat exchange plate 140 and the second side surface 122, and the two opposite sides of the second heat conductor 160 are respectively in contact with the second heat exchange plate 140 and the second side surface 122. In this way, on the one hand, the second heat conductor 160 can transfer the heat diffused to the second side surface 122 to the second heat exchange plate 140, and assist the second heat exchange plate 140 in cooling the second side surface 122; on the other hand, the second heat conductor 160 is made of insulating material, and the second heat conductor 160 can insulate and separate the second side surface 122 from the second heat exchange plate 140, so as to avoid a short circuit.

[0056] In one embodiment, the first heat conductor 150 and / or the second heat conductor 160 may include a thermal pad, thermally conductive silica gel, thermally conductive structural adhesive, etc.

[0057] In one embodiment, the thermal conductivity of the first heat conductor 150 and / or the second heat conductor 160 is generally greater than or equal to 0.5 w / m*k. Generally, the material of the first heat conductor 150 and / or the second heat conductor 160 may include silicon, polyurethane, epoxy, and the like.

[0058] like Figure 3 and Figure 4 As shown, the battery pack circuit breaker unit 120 may include a shell 123, a connecting row 124 and a plurality of electrical components (not shown in the figure), the shell 123 is provided with a through hole 1230, a portion of the connecting row 124 is located in the shell 123, another portion of the connecting row 124 passes through the through hole 1230 and is exposed to the outer surface of the shell 123, a plurality of electrical components are arranged in the shell 123, and the plurality of electrical components are connected through the connecting row 124.

[0059] It should be understood that multiple electrical components transmit current through the connecting bar 124, and the connecting bar 124 will generate a large amount of heat. By passing part of the connecting bar 124 through the through hole 1230 and exposing it to the outer surface of the shell 123, the connecting bar 124 can be directly in contact with the aforementioned first heat exchange plate 130 (or the first heat conductor 150) and the second heat exchange plate 140 (or the second heat conductor 160). In this way, the heat dissipation efficiency of the connecting bar 124 can be improved, thereby improving the cooling efficiency of the battery pack circuit breaker unit 120.

[0060] In one embodiment, there are a plurality of through holes 1230 , and different connection rows 124 are respectively accommodated in the plurality of through holes 1230 .

[0061] like Figure 3 and Figure 4 As shown, the surface of the connecting row 124 exposed through the through hole 1230 is coplanar with the first side surface 121. In this way, when the first heat exchange plate 130 (or the first heat conductor 150) is attached to the first side surface 121, it can contact both the first side surface 121 and the surface of the connecting row 124 exposed in the through hole 1230, so that the first side surface 121 and the connecting row 124 can be cooled at the same time, effectively improving the heat dissipation efficiency.

[0062] In one embodiment, the surface of the connection row 124 exposed by the through hole 1230 may also be higher or lower than the first side surface 121 .

[0063] Similarly, the surface of the connecting row 124 exposed through the through hole 1230 is coplanar with the second side surface 122. In this way, when the second heat exchange plate 140 (or the second heat conductor 160) is attached to the second side surface 122, it can contact both the second side surface 122 and the surface of the connecting row 124 exposed in the through hole 1230, so that the second side surface 122 and the connecting row 124 can be cooled simultaneously, effectively improving the heat dissipation efficiency.

[0064] In one embodiment, the surface of the connection row 124 exposed by the through hole 1230 may also be higher or lower than the second side surface 122 .

[0065] In one embodiment, the first heat conductor 150 is disposed between the first heat exchange plate 130 and the first side surface 121, one side of the first heat conductor 150 is attached to the first heat exchange plate 130, and the other side of the first heat conductor 150 is attached to the first side surface 121 and the surface of the connecting bar 124 coplanar with the first side surface 121. In this way, the first heat conductor 150 can transfer the heat on the connecting bar 124 and the first side surface 121 to the first heat exchange plate 130, cool the connecting bar 124 and the first side surface 121 simultaneously, and improve the cooling efficiency of the battery pack circuit breaker unit 120.

[0066] In one embodiment, the second heat conductor 160 is disposed between the second heat exchange plate 140 and the second side surface 122, one side of the second heat conductor 160 is attached to the second heat exchange plate 140, and the other side of the second heat conductor 160 is attached to the second side surface 122 and the surface of the connecting row 124 coplanar with the second side surface 122. In this way, the second heat conductor 160 can transfer the heat on the connecting row 124 and the second side surface 122 to the second heat exchange plate 140, cool the connecting row 124 and the second side surface 122 simultaneously, and improve the cooling efficiency of the battery pack circuit breaker unit 120.

[0067] like Figure 3 and Figure 4 As shown, the housing 123 may include a first bracket 1231 and a second bracket 1232 that are arranged opposite to each other, the aforementioned first side surface 121 is arranged on a side of the first bracket 1231 away from the second bracket 1232, and the second side surface 122 is arranged on a side of the second bracket 1232 away from the first bracket 1231, and both the first bracket 1231 and the second bracket 1232 are provided with a through hole 1230, and the through hole 1230 of the first bracket 1231 passes through the first side surface 121, and the through hole 1230 of the second bracket 1232 passes through the second side surface 122.

[0068] It should be noted that the first bracket 1231 and the second bracket 1232 can be used as mounting carriers for the aforementioned electrical components and the connecting bar 124, and can provide certain protection for the electrical components and the connecting bar 124. In addition, the first bracket 1231 and the second bracket 1232 are detachable and compatible, so that the internal electrical components and the connecting bar 124 can be easily replaced.

[0069] In one embodiment, the material of the first bracket 1231 and / or the second bracket 1232 can be selected from plastic materials such as PBT (polybutylene terephthalate), PP (polypropylene), ABS (acrylonitrile-butadiene-styrene copolymer); or, a plastic material with a high thermal conductivity coefficient can be selected, for example, a material obtained by adding high thermal conductivity fillers such as aluminum powder and carbon fiber to the aforementioned PP (polypropylene), which has good thermal conductivity to improve heat exchange capacity.

[0070] Figure 6 A schematic structural diagram of a first heat exchange plate provided in an exemplary embodiment of the present application. Figure 7 A schematic structural diagram of a second heat exchange plate provided in an exemplary embodiment of the present application. Figure 8 for Figure 2 The enlarged schematic diagram of A in the figure. Figures 6 to 8 As shown, the first heat exchange plate 130 and / or the second heat exchange plate 140 are provided with a plurality of flow channels 170, and the plurality of flow channels 170 can accommodate flowing coolant. The coolant can absorb heat while flowing in the flow channels 170, thereby playing the cooling role mentioned above.

[0071] Specifically, a liquid inlet is formed at one end of the multiple flow channels 170, and a liquid outlet is formed at the other end. The battery box 100 may also include a liquid inlet pipe 180 and a liquid outlet pipe 190. The liquid inlet pipe 180 and the liquid outlet pipe 190 are both arranged on the side wall of the box body 110. The liquid inlet pipe 180 is connected with the liquid inlet, and the liquid inlet pipe 180 can guide the cooling liquid to enter the flow channel 170 from the liquid inlet. The liquid outlet pipe 190 is connected with the liquid outlet, and the liquid outlet pipe 190 can guide the cooling liquid to flow out of the flow channel 170 from the liquid outlet.

[0072] like Figure 6 and Figure 7 As shown, the first heat exchange plate 130 includes a first cooling zone 131 and a second cooling zone 132. The first cooling zone 131 covers the first side surface 121, and can cool and dissipate heat for the first side surface 121. The second cooling zone 132 covers one side of the battery cell module 210, and can cool and dissipate heat for the battery cell module 210. In this way, the battery pack circuit breaker unit 120 and the battery cell module 210 can be cooled simultaneously, thereby effectively improving the cooling efficiency.

[0073] Similarly, the second heat exchange plate 140 includes a third cooling zone 141 and a fourth cooling zone 142. The third cooling zone 141 covers the second side surface 122, and can cool and dissipate heat for the second side surface 122. The fourth cooling zone 142 covers one side of the battery cell module 210, and can cool and dissipate heat for the battery cell module 210. In this way, the heat dissipation of the battery pack circuit breaker unit 120 and the battery cell module 210 can be achieved simultaneously, thereby effectively improving the cooling efficiency.

[0074] The basic principles of the present application are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present application are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present application. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, not for limitation, and the above details do not limit the present application to being implemented by adopting the above specific details.

[0075] The block diagrams of the devices, apparatuses, equipment, and systems involved in this application are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagram. As will be appreciated by those skilled in the art, these devices, apparatuses, equipment, and systems can be connected, arranged, and configured in any manner. Words such as "including", "comprising", "having", etc. are open words, referring to "including but not limited to", and can be used interchangeably with them. The words "or" and "and" used here refer to the words "and / or" and can be used interchangeably with them, unless the context clearly indicates otherwise. The words "such as" used here refer to the phrase "such as but not limited to", and can be used interchangeably with them.

[0076] It should also be noted that in the apparatus, device and method of the present application, each component or each step can be decomposed and / or recombined. Such decomposition and / or recombination should be regarded as equivalent solutions of the present application.

[0077] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present application. Therefore, the present application is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

[0078] The above description has been given for the purpose of illustration and description. In addition, this description is not intended to limit the embodiments of the present application to the forms disclosed herein. Although multiple example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

Claims

1. A battery box, characterized in that: include: Box body (110); A battery pack disconnecting unit (120) is disposed in the box (110), the battery pack disconnecting unit (120) comprising a first side surface (121) and a second side surface (122) that are opposite to each other; A first heat exchange plate (130) connected to the box body (110), wherein at least a portion of the first heat exchange plate (130) covers the first side surface (121); A second heat exchange plate (140) is connected to the box body (110), and at least a portion of the second heat exchange plate (140) covers the second side surface (122).

2. The battery box according to claim 1, characterized in that: The battery box also includes: The first heat conductor (150) is disposed between the first heat exchange plate (130) and the first side surface (121), and two opposite sides of the first heat conductor (150) are respectively in contact with the first heat exchange plate (130) and the first side surface (121).

3. The battery box according to claim 1, characterized in that: The battery box also includes: The second heat conductor (160) is disposed between the second heat exchange plate (140) and the second side surface (122), and two opposite sides of the second heat conductor (160) are respectively in contact with the second heat exchange plate (140) and the second side surface (122).

4. The battery box according to claim 1, characterized in that: The battery pack disconnecting unit (120) comprises: The housing (123) is provided with a through hole (1230); A connecting row (124), wherein a portion of the connecting row (124) is located in the housing (123), and another portion of the connecting row (124) passes through the through hole (1230) and is exposed to the outer surface of the housing (123); A plurality of electrical components are disposed in the housing (123), and the plurality of electrical components are connected via the connection row (124).

5. The battery box according to claim 4, characterized in that: The housing (123) comprises a first bracket (1231) and a second bracket (1232) which are arranged opposite to each other, the first bracket (1231) and the second bracket (1232) are detachably matched, the first side surface (121) is arranged on a side of the first bracket (1231) away from the second bracket (1232), and the second side surface (122) is arranged on a side of the second bracket (1232) away from the first bracket (1231), the first bracket (1231) and the second bracket (1232) are both provided with the through hole (1230), and the through hole (1230) of the first bracket (1231) passes through the first side surface (121), and the through hole (1230) of the second bracket (1232) passes through the second side surface (122).

6. The battery box according to claim 4, characterized in that: The surface of the connection row (124) exposed through the through hole (1230) is coplanar with the first side surface (121); The surface of the connection row (124) exposed through the through hole (1230) is coplanar with the second side surface (122).

7. The battery box according to claim 6, characterized in that: The battery box also includes: A first heat conductor (150) is disposed between the first heat exchange plate (130) and the first side surface (121), one side of the first heat conductor (150) being attached to the first heat exchange plate (130), and the other side of the first heat conductor (150) being attached to the first side surface (121) and a surface of the connecting row (124) coplanar with the first side surface (121); The second heat conductor (160) is arranged between the second heat exchange plate (140) and the second side surface (122), one side of the second heat conductor (160) is attached to the second heat exchange plate (140), and the other side of the second heat conductor (160) is attached to the second side surface (122) and the surface coplanar with the connecting row (124) and the second side surface (122).

8. The battery box according to any one of claims 1 to 7, characterized in that: The first heat exchange plate (130) and / or the second heat exchange plate (140) are provided with a plurality of flow channels (170); a liquid inlet is formed at one end of the plurality of flow channels (170), and a liquid outlet is formed at the other end; The battery box also includes: A liquid inlet pipe (180) is provided on the side wall of the box body (110) and is in communication with the liquid inlet; A liquid outlet pipe (190) is disposed on the side wall of the box body (110) and is in communication with the liquid outlet.

9. A battery pack, characterized in that: include: A battery box as claimed in any one of claims 1 to 8; The battery cell module (210) is arranged in the box (110).

10. The battery pack according to claim 9, characterized in that: The first heat exchange plate (130) comprises a first cooling zone (131) and a second cooling zone (132), the first cooling zone (131) covers the first side surface (121), and the second cooling zone (132) covers one side of the battery cell module (210); and / or, The second heat exchange plate (140) comprises a third cooling zone (141) and a fourth cooling zone (142), wherein the third cooling zone (141) covers the second side surface (122), and the fourth cooling zone (142) covers one side of the battery cell module (210).

Images