CN218005118U - Battery package box, battery package and vehicle - Google Patents

Abstract

The utility model discloses a battery package box, battery package and vehicle, this battery package box have and hold the chamber, it is suitable for the installation battery to hold the chamber, the battery package box includes: the first plate, the second plate, the third plate and the fourth plate are sequentially connected to form the accommodating cavity in an enclosing mode, the first plate is detachably connected with the second plate, and/or the second plate is detachably connected with the third plate, and/or the third plate is detachably connected with the fourth plate, and/or the fourth plate is detachably connected with the first plate. The utility model discloses a battery package box assembly efficiency and production efficiency are high.

Description

Battery package box, battery package and vehicle

Technical Field

The utility model relates to a battery technology field, concretely relates to battery package box, a battery package and a vehicle.

Background

The battery pack mainly comprises a lower box body, an upper cover, a battery module, a thermal management system and an electrical system. The lower box body is used as a main bearing structural part and is a key part of the battery pack. In the related art, the lower box body is mainly an extruded aluminum alloy tailor-welded lower box body, however, the extruded aluminum alloy is generally formed by assembling and welding dozens of parts, and the technical problems of low assembly efficiency and production efficiency, low space utilization rate and the like exist.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a battery package box that assembly efficiency and production efficiency are high.

The embodiment of the utility model provides a battery package is still provided.

The embodiment of the utility model provides a vehicle has still been provided.

The utility model discloses battery package box has and holds the chamber, it is suitable for the installation battery to hold the chamber, battery package box includes: the first plate, the second plate, the third plate and the fourth plate are sequentially connected to form the accommodating cavity in an enclosing mode, the first plate is detachably connected with the second plate, and/or the second plate is detachably connected with the third plate, and/or the third plate is detachably connected with the fourth plate, and/or the fourth plate is detachably connected with the first plate.

The utility model discloses battery package box through can dismantling between with board and the board and be connected, can improve the assembly efficiency and the production efficiency of battery package box.

In some embodiments, the first plate is removably attached to the second plate, the second plate is removably attached to the third plate, the third plate is removably attached to the fourth plate, and the fourth plate is removably attached to the first plate.

In some embodiments, the first plate is disposed in parallel opposition to the third plate and the second plate is disposed in parallel opposition to the fourth plate; first grooves are formed in the first plate and the third plate, and two end portions of the second plate are embedded into the first grooves respectively and are in threaded connection with the first plate and the third plate respectively; and second grooves are formed in the first plate and the third plate, and two end parts of the fourth plate are embedded into the second grooves respectively and are in threaded connection with the first plate and the third plate respectively.

In some embodiments, the battery pack case further includes a bottom plate and a partition plate, the bottom plate is respectively connected to the first plate, the second plate, the third plate, and the fourth plate to close one end of the accommodating chamber, one end of the partition plate is connected to the first plate, the other end of the partition plate is connected to the third plate, and the partition plate is disposed in the accommodating chamber. .

In some embodiments, the second plate and the fourth plate are each higher than the height of the spacer.

The number of the partition plates is multiple, the partition plates are arranged at intervals in the width direction of the first plate, the accommodating cavity is divided into multiple mounting cavities by the partition plates, and the batteries are mounted in the mounting cavities.

In some embodiments, each of the second plate and the fourth plate has a plurality of first flow channels therein, the first flow channels are arranged at intervals in the width direction of the first plate, and the flow areas of the first flow channels are the same, and the first flow channels are adapted for flowing a cooling medium therethrough; and/or the presence of a gas in the gas,

the partition plate is internally provided with a plurality of second flow passages which are arranged at intervals in the height direction of the first plate and are suitable for circulating a cooling medium; and/or the presence of a gas in the gas,

the bottom plate is provided with a plurality of third flow passages, the third flow passages are arranged at intervals in the width direction of the first plate, and cooling media can flow in the third flow passages.

The utility model discloses battery package, include: the battery pack box body is the battery pack box body in any one of the embodiments; a plurality of batteries, the battery is established in hold the intracavity.

The utility model discloses battery package can improve battery package's assembly efficiency and production efficiency.

In some embodiments, a first adhesive layer is disposed between the second plate and the battery, and a second adhesive layer is disposed between the fourth plate and the battery.

In some embodiments, a first adhesive layer is arranged between the second plate and the battery, and a second adhesive layer is arranged between the fourth plate and the battery; and/or the presence of a gas in the gas,

the battery pack further comprises a heat conduction layer, and the heat conduction layer is arranged between the battery and the partition plate of the battery pack box body.

The utility model discloses battery package box between first board and the second board, between second board and the third board, can dismantle the connection between third board and the fourth board and between fourth board and the first board, can improve the space utilization of box, can also improve the assembly efficiency and the production efficiency of battery package box.

The utility model discloses vehicle, including the battery package as in any one above-mentioned embodiment.

The utility model discloses vehicle can improve the reliability of vehicle.

Drawings

Fig. 1 is a schematic diagram of a battery pack according to an embodiment of the present invention, and does not include a bottom plate.

Fig. 2 is a schematic structural diagram of a battery pack according to an embodiment of the present invention, and includes a bottom plate.

Fig. 3 is a sectional view of a battery pack according to an embodiment of the present invention.

Reference numerals are as follows:

the battery pack case 100, the battery 200,

the mounting structure comprises a containing cavity 1, a mounting cavity 101, a first plate 2, a second plate 3, a first flow channel 31, a third plate 4, a fourth plate 5, a bottom plate 6, a third flow channel 61, a partition plate 7, a second flow channel 71, a first adhesive layer 8 and a second adhesive layer 9.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the battery pack case of the embodiment of the present invention has a containing cavity 1, the containing cavity 1 is suitable for installing a battery 200, and the battery pack case 100 includes a first plate 2, a second plate 3, a third plate 4 and a fourth plate 5.

The first plate 2, the second plate 3, the third plate 4 and the fourth plate 5 are sequentially connected to enclose the accommodating cavity 1, the first plate 2 is detachably connected with the second plate 3, and/or the second plate 3 is detachably connected with the third plate 4, and/or the third plate 4 is detachably connected with the fourth plate 5, and/or the fourth plate 5 is detachably connected with the first plate 2.

For example, the first plate 2 and the second plate 3 are detachably connected, or the second plate 3 and the third plate 4 are detachably connected, or the third plate 4 and the fourth plate 5 are detachably connected, or the fourth plate 5 and the first plate 2 are detachably connected, or the first plate 2 and the second plate 3 are detachably connected, or the second plate 3 and the third plate 4 are detachably connected, or the first plate 2 and the second plate 3 are detachably connected, or the third plate 4 and the fourth plate 5 are detachably connected, or the first plate 2 and the second plate 3 are detachably connected, or the fourth plate 5 and the first plate 2 are detachably connected, or the second plate 3 and the third plate 4 are detachably connected, or the fourth plate 5 and the first plate 2 are detachably connected, or the third plate 4 and the fourth plate 5 are detachably connected, or the fourth plate 5 and the first plate 2 are detachably connected, or the first plate 2 and the second plate 3 are detachably connected, the third plate 4 and the fourth plate 5 are detachably connected, or the third plate 3 and the third plate 5 are detachably connected.

Specifically, the first plate 2 and the third plate 4 are arranged oppositely in the left-right direction, and the first plate 2 and the third plate 4 are arranged in parallel, the second plate 3 and the fourth plate 5 are arranged oppositely in the front-rear direction, and the second plate 3 and the fourth plate 5 are arranged in parallel.

The utility model discloses battery package box, between first board 2 and the second board 3, between second board 3 and the third board 4, can dismantle the connection between third board 4 and the fourth board 5 and between fourth board 5 and the first board 2 between third board 4 and the fourth board 5, can select not unidimensional first board 2, second board 3, third board 4 and fourth board 5 according to the size of battery package, improve the application scope of battery package box, can also improve the space utilization of box and the assembly efficiency and the production efficiency of battery package box 100.

In some embodiments, the first plate 2 and the third plate 4 are disposed in parallel, the second plate 3 and the fourth plate 5 are disposed in parallel, and the first plate 2 and the third plate 4 are both provided with first grooves, two ends of the second plate 3 are respectively embedded into the first grooves and are respectively screwed with the first plate 2 and the third plate 4, the first plate 2 and the third plate 4 are both provided with second grooves, and two ends of the fourth plate 5 are respectively embedded into the second grooves and are respectively screwed with the first plate 2 and the third plate 4.

The utility model discloses battery package box, through set up first recess on first board and third board, and in the both ends embedding first recess of second board, can improve assembly precision and connection stability between second board and first board and the third board, through set up the second recess on first board and third board, and the both ends of fourth board imbed respectively in the second recess, can improve the assembly progress and the connection stability between fourth board and first board and the third board, and can also guarantee the depth of parallelism between first board and the third board, the depth of parallelism between second board and the fourth board, thereby improve the assembly precision and the structural strength of whole battery package box. The second plate and the fourth plate are respectively connected with the first plate and the third plate through bolts, so that the mounting and the dismounting are convenient.

In some embodiments, the battery pack case 100 further includes a bottom plate 6, and the bottom plate 6 is connected to the first plate 2, the second plate 3, the third plate 4, and the fourth plate 5 to close one end of the receiving chamber 1.

For example, the bottom plate 6 is provided at lower ends of the first plate 2, the second plate 3, the third plate 4, and the fourth plate 5, and an upper end surface of the bottom plate 6 is connected to a lower end surface of the first plate 2, a lower end surface of the second plate 3, a lower end surface of the third plate 4, and a lower end surface of the fourth plate 5, respectively. For example, the bottom plate 6 and the first, second, third and fourth plates 2, 3, 4, 5 may be detachably connected by means of gluing or bolting.

The utility model discloses battery package box through setting up bottom plate 6, can seal the lower extreme that holds chamber 1, improves the reliability and the stability of battery 200 installation.

In some embodiments, the second plate and the fourth plate are each taller than the height of the spacer.

Specifically, as shown in fig. 3, the dimension of the second plate 3 and the fourth plate 5 in the up-down direction is larger than the dimension of the partition 7 in the up-down direction, thereby ensuring the support stability of the second plate 3 and the fourth plate 5 to the battery pack case.

In some embodiments, the second plate 3 and the fourth plate 5 each have a first flow passage 31 therein, the first flow passages 31 being adapted for circulation of a cooling medium therein.

Specifically, as shown in fig. 3, the first flow channels 31 extend in the left-right direction, the first flow channels 31 may be plural, the plural first flow channels 31 are independent of each other in the second plate 3, and the plural first flow channels 31 are divided into plural groups in the width direction of the first plate (the front-back direction shown in fig. 3), the plural groups of first flow channels 31 are arranged at intervals in the front-back direction, and the first flow channels 31 in each group are arranged at intervals in the up-down direction, the outer contour of the longitudinal section of the first flow channels 31 may be rectangular or circular, and the flow cross-sectional areas of the plural first flow channels 31 are the same. The inlets of the first flow channels 31 in the second plate 3 and the first flow channels 31 in the fourth plate 5 are both in communication with the outlet of the cooling medium source, and the outlets of the first flow channels 31 in the second plate 3 and the first flow channels 31 in the fourth plate 5 are both in communication with the inlet of the cooling medium source.

The utility model discloses battery package box, all be equipped with first runner 31 in second board 3 and the fourth board 5, and the circulation has coolant in the first runner 31, second board 3 and fourth board 5 not only can support battery 200, can also carry out the thermal management to battery 200, in order to cool off battery 200, the degree of integrating of battery 200 package has been improved, because of need not additionally to set up the cooling plate, consequently, the spare part quantity and the whole weight of battery package box 100 have still been reduced, make battery package box 100 more lightweight.

In some embodiments, the battery pack case 100 further includes a partition 7, one end of the partition 7 is connected to the first plate 2, the other end of the partition 7 is connected to the third plate 4, and the partition 7 is disposed in the accommodation chamber 1.

Specifically, as shown in fig. 1 and 2, the left end of the partition 7 is connected to the first plate 2, the right end of the partition 7 is connected to the third plate 4, and the partition 7 is arranged in parallel with the second plate 3.

Alternatively, the number of the partition plates 7 is plural, the plural partition plates 7 are arranged at intervals in the width direction (the front-rear direction as shown in fig. 1) of the first plate 2, the plural partition plates 7 divide the housing chamber 1 into the plural mounting chambers 101, and the battery 200 is mounted in the mounting chamber 101.

As shown in fig. 1, a plurality of partition plates 7 are arranged at regular intervals in the front-rear direction, the accommodation chamber 1 is divided into a plurality of mounting chambers 101 having the same size and shape by the partition plates 7, and the battery 200 is mounted in the mounting chambers 101.

The utility model discloses battery package box through setting up a plurality of baffles 7, can will hold chamber 1 and cut apart into a plurality of independent installation cavity 101 to improve battery 200's installation quantity, and independent each other between the battery 200, still improved the reliability of battery 200 package.

In some embodiments, the partition 7 has a second flow passage 71 therein, the second flow passage 71 being adapted to flow a cooling medium therethrough, and/or the bottom plate 6 has a third flow passage 61 therein, the third flow passage 61 being adapted to flow a cooling medium therethrough, and the first flow passage 31, the second flow passage 71 and the third flow passage 61 being in communication with each other.

For example, the partition plate 7 is provided with the second flow path 71, the bottom plate 6 is provided with the third flow path 61, or the partition plate 7 is provided with the second flow path 71 and the bottom plate 6 is provided with the third flow path 61.

Specifically, as shown in fig. 3, the second flow channels 71 extend in the left-right direction, the outer contour of the longitudinal section of the second flow channels 71 is rectangular or circular, the number of the second flow channels 71 is plural, the plural second flow channels 71 are arranged at intervals in the height direction of the first plate (the up-down direction shown in fig. 3), and the plural second flow channels 71 are independent of each other, the inlets of the second flow channels 71 communicate with the outlets of the cooling medium sources, and the outlets of the second flow channels 71 communicate with the inlets of the cooling medium sources.

The bottom plate 6 may be a liquid-cooled plate, the number of the third flow channels 61 may be plural, the plural third flow channels 61 are arranged at intervals in the width direction (front-rear direction as shown in fig. 3) of the first plate 2, and the plural third flow channels 61 are independent of each other, the inlets of the third flow channels 61 communicate with the outlets of the cooling medium sources, and the outlets of the third flow channels 61 communicate with the inlets of the cooling medium sources.

The inlet of the first flow passage 31, the inlet of the second flow passage 71, and the inlet of the third flow passage 61 communicate with each other, and the inlet of the first flow passage 31, the inlet of the second flow passage 71, and the inlet of the third flow passage 61 communicate with the outlet of the cooling medium source, the outlet of the first flow passage 31, the outlet of the second flow passage 71, and the outlet of the third flow passage 61 communicate with each other, and the outlet of the first flow passage 31, the outlet of the second flow passage 71, and the outlet of the third flow passage 61 communicate with the inlet of the cooling medium source. The utility model discloses battery package box is through setting up second runner 71 in baffle 7, and the circulation has coolant in second runner 71, can improve the thermal management effect of battery 200 package. Through set up third flow channel 61 in bottom plate 6, and the circulation has cooling medium in third flow channel 61, makes bottom plate 6 not only can support battery 200, can also manage thermal to battery 200 to cool off battery 200, improved the integrated degree of battery 200 package, because of need not additionally to set up the cooling plate, consequently still reduced the spare part quantity and the whole weight of battery package box 100, made battery package box 100 more lightweight. The first flow channel 31, the second flow channel 71 and the third flow channel 61 are communicated with each other, so that a cooling medium distribution pipeline can be saved, the volume of the battery pack box body can be increased, and the cooling efficiency of the box body can be improved.

The utility model discloses battery package, including battery package box 100 and a plurality of battery 200.

The battery pack case 100 is the battery pack case of any one of the above embodiments; the battery 200 is arranged in the accommodating cavity 1, and the plurality of batteries 200 are respectively in one-to-one correspondence with the plurality of mounting cavities 101.

Specifically, as shown in fig. 1, a plurality of batteries 200 are provided in each mounting cavity 101, and the plurality of batteries 200 in each mounting cavity 101 are sequentially arranged in the left-right direction, and the plurality of mounting cavities 101 are arranged at intervals in the front-rear direction.

The utility model discloses battery package because of adopting the battery package box of above-mentioned embodiment, can improve the degree of integrating of battery package, because of need not additionally to set up the cooling plate, consequently still reduced the spare part quantity and the whole weight of battery package box 100, make the battery package more lightweight.

In some embodiments, a first adhesive layer 8 is provided between the second plate 3 and the battery 200, and a second adhesive layer 9 is provided between the fourth plate 5 and the battery 200.

Specifically, as shown in fig. 3, the second plate 3 is connected to the battery 200 by adhesion, a first adhesive layer 8 is disposed between the rear end surface of the second plate 3 and the front end surface of the battery 200, the fourth plate 5 is connected to the battery 200 by adhesion, and a second adhesive layer 9 is disposed between the front end surface of the fourth plate 5 and the rear end surface of the battery 200.

The utility model discloses battery package, second board 3 and fourth board 5 link to each other with battery 200 through sticky mode, can reduce battery package's deformation and defect to guarantee battery package's form and location tolerance and gas tightness, can also improve battery package's reliability.

In some embodiments, the battery pack case includes a separator, and the battery pack further includes a thermally conductive layer (not shown) disposed between the separator and the battery.

Specifically, as shown in fig. 3, a heat conduction layer is arranged between the battery and the separator, the front end surface of the heat conduction layer is in contact with the rear end surface of the battery, and the rear end surface of the heat conduction layer is in contact with the front end surface of the battery.

In some embodiments, the battery 200 is arranged with a first side (the front side of the battery 200 as shown in fig. 3) and a second side (the rear side of the battery 200 as shown in fig. 3) opposite in the width direction of the first plate 2, and the separator 7 is arranged with a first end (the front end of the separator 7 as shown in fig. 3) and a second end (the rear end of the separator 7 as shown in fig. 3) opposite in the width direction of the first plate 2, the first side of the battery 200 being in contact with the second end of the separator 7, and the second side of the battery 200 being in contact with the first end of the separator 7.

Specifically, as shown in fig. 3, the front side of the battery 200 is in contact with the rear end of the separator 7, the rear side of the battery 200 is in contact with the front end of the separator 7, and the battery 200 is in contact with the separator 7, so that the battery 200 is in sufficient contact with the separator 7, and the cooling effect of the battery pack can be improved.

The utility model discloses vehicle, including the battery package as above-mentioned any one embodiment.

The utility model discloses the vehicle because of adopting the battery package of above-mentioned embodiment, can improve the reliability of vehicle.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (9)

1. The utility model provides a battery package box which characterized in that has and holds the chamber, it is suitable for the installation battery to hold the chamber, the battery package box includes: the accommodating cavity is formed by sequentially connecting a first plate, a second plate, a third plate and a fourth plate, the first plate, the second plate, the third plate and the fourth plate are detachably connected, the second plate and the third plate are detachably connected, the third plate and the fourth plate are detachably connected, and the fourth plate and the first plate are detachably connected.

2. The battery pack case according to claim 1, wherein the first plate is disposed in parallel with respect to the third plate, and the second plate is disposed in parallel with respect to the fourth plate;

first grooves are formed in the first plate and the third plate, and two end portions of the second plate are embedded into the first grooves respectively and are in threaded connection with the first plate and the third plate respectively;

and second grooves are formed in the first plate and the third plate, and two end parts of the fourth plate are embedded into the second grooves respectively and are in threaded connection with the first plate and the third plate respectively.

3. The battery pack case according to claim 1, further comprising a bottom plate and a partition plate, the bottom plate being connected to the first plate, the second plate, the third plate, and the fourth plate, respectively, to close one end of the accommodating chamber, one end of the partition plate being connected to the first plate, the other end of the partition plate being connected to the third plate, and the partition plate being disposed in the accommodating chamber.

4. The battery pack case according to claim 3, wherein the second plate and the fourth plate are higher than the partition plate.

5. The battery pack case according to claim 3, wherein the number of the partition plates is plural, the plural partition plates are arranged at intervals in the width direction of the first plate, the plural partition plates divide the housing cavity into plural mounting cavities, and the battery is mounted in the mounting cavity.

6. The battery pack case according to claim 3, wherein the second plate and the fourth plate each have a plurality of first flow channels therein, the plurality of first flow channels are arranged at intervals in a width direction of the first plate, flow areas of the plurality of first flow channels are the same, and the first flow channels are adapted to flow a cooling medium therein; and/or the presence of a gas in the atmosphere,

the separator has a plurality of second flow channels therein, the second flow channels being arranged at intervals in the height direction of the first plate, the second flow channels being adapted to circulate a cooling medium therein; and/or the presence of a gas in the gas,

the bottom plate is provided with a plurality of third flow passages, the third flow passages are arranged at intervals in the width direction of the first plate, and cooling media can flow in the third flow passages.

7. A battery pack, comprising:

a battery pack case according to any one of claims 1 to 6;

a plurality of batteries, the battery is established in hold the intracavity.

8. The battery pack of claim 7, wherein a first adhesive layer is disposed between the second plate and the battery, and a second adhesive layer is disposed between the fourth plate and the battery; and/or the presence of a gas in the atmosphere,

the battery pack further comprises a heat conduction layer, and the heat conduction layer is arranged between the battery and the partition plate of the battery pack box body.

9. A vehicle characterized by comprising the battery pack according to claim 7 or 8.

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