CN217691362U - Battery box, battery package and vehicle - Google Patents

Abstract

The utility model discloses a battery box and a battery pack, which comprises a box body, a support piece and a temperature adjusting piece, wherein the support piece is arranged on the box body and is suitable for supporting an electric core; the temperature adjusting piece is arranged on the box body, the temperature adjusting piece is suitable for exchanging heat with the battery cell to adjust the temperature of the battery cell, and at least part of the temperature adjusting piece is matched in the hollow-out area to reduce the distance between the temperature adjusting piece and the battery cell. The utility model discloses a temperature control of battery box is efficient, has improved the operating performance of battery package.

Description

Battery box, battery package and vehicle

Technical Field

The utility model relates to a power battery technical field specifically, relates to a battery box, use the battery package of this battery box and use the vehicle of this battery package.

Background

With the society more and more attach importance to clean energy, new energy automobiles are also favored by more consumers. In order to improve various performances of power batteries, a battery pack having high energy density and high integration degree is a trend. However, the temperature control efficiency (cooling efficiency and heating efficiency) of the battery pack in the related art is low, which limits the operation performance of the battery pack.

SUMMERY OF THE UTILITY MODEL

The present invention is made based on the discovery and recognition by the inventors of the following facts and problems:

among the correlation technique, the regulation and control of cooling and heating need be realized with the help of the water-cooling board to the battery package, in order to avoid the condition of water-cooling board atress, need set up bearing structure between water-cooling board and electric core, and bearing structure mainly used bears the gravity of electric core, and extra bearing structure can cause the clearance of electric core and water-cooling board great to reduced heat transfer efficiency, influenced the control by temperature change adjustment of battery package, be unfavorable for the high performance operation of battery package.

The present invention aims at solving one of the technical problems in the related art at least to a certain extent.

Therefore, the embodiment of the utility model provides a battery box, the control by temperature change of this battery box is efficient, has improved the operating performance of battery package.

The embodiment of the utility model provides a still provide a battery package of using above-mentioned battery box.

The embodiment of the utility model provides a vehicle of using above-mentioned battery package is still provided.

The utility model discloses battery box includes: a box body; the supporting piece is arranged on the box body and is suitable for supporting the battery cell, and a hollowed-out area for exposing the battery cell is formed in the supporting piece; the temperature adjusting piece is arranged on the box body and is suitable for exchanging heat with the battery cell to adjust the temperature of the battery cell, and at least part of the temperature adjusting piece is matched in the hollow-out area to reduce the distance between the temperature adjusting piece and the battery cell.

The utility model discloses battery box's control by temperature change is efficient, has improved the operating performance of battery package.

In some embodiments, the support member includes a first piece and a second piece, the first piece and the second piece being spaced apart, the hollowed-out area being formed between the first piece and the second piece.

In some embodiments, the first piece includes a first folded edge, a second folded edge, and a first connection section, the first connection section is connected between the first folded edge and the second folded edge, the first folded edge forms an angle with the first connection section and extends to one side of the first connection section, the second folded edge forms an angle with the first connection section and extends to the other side of the first connection section, the second folded edge is suitable for being connected with the box body, the first folded edge is suitable for being in contact with the battery cell in an attaching manner, a step portion is arranged in the box body, the step portion is fitted between the second folded edge and the first connection section, and the second folded edge is connected with the step portion.

In some embodiments, the second piece corresponds to two first pieces, the second piece is arranged between the two first pieces, one of the two first pieces and the second piece are arranged at intervals and form the hollow area, and the other of the two first pieces and the second piece are arranged at intervals and form the hollow area.

In some embodiments, the second member includes a third folded edge, a fourth folded edge, a second connection section, a third connection section, and a fourth connection section, the third connection section is connected between the second connection section and the fourth connection section, the second connection section, the third connection section, and the fourth connection section limit the assembly groove, the third folded edge is connected to the second connection section and extends toward a side of the second connection section away from the assembly groove, the fourth folded edge is connected to the fourth connection section and extends toward a side of the fourth connection section away from the assembly groove, the third connection section is adapted to be connected to the box body, the third folded edge and the fourth folded edge are adapted to be in contact with the battery cell in an attaching manner, a partition board is disposed in the box body, the partition board is fitted in the assembly groove, and the third connection section is connected to the partition board.

In some embodiments, the first member has a plurality of pieces, the plurality of pieces are arranged at intervals along the length direction of the box body, the second member has a plurality of pieces, the plurality of pieces are arranged at intervals along the length direction of the box body, and the plurality of pieces are in one-to-one correspondence in the width direction of the box body.

In some embodiments, the temperature adjusting member is arranged between the inner wall of the box body and the support member, and a protruding portion is arranged on the temperature adjusting member and is matched in the hollow-out area.

In some embodiments, the support member and the temperature adjusting member are disposed at the bottom of the box body, and the temperature adjusting member is located below the battery cell.

The utility model discloses battery package includes battery box and electric core, the battery box be in any of the above-mentioned embodiments the battery box, electric core is established in the box and with support piece links to each other.

The utility model discloses vehicle includes the battery package, the battery package be in above-mentioned embodiment the battery package.

Drawings

Fig. 1 is an exploded schematic view of a battery pack according to an embodiment of the present invention.

Fig. 2 is a schematic view of the support member of fig. 1.

Fig. 3 is a schematic view of the first piece of fig. 2.

Fig. 4 is a schematic view of the second member of fig. 2.

Fig. 5 is a schematic cross-sectional view of the internal structure of the battery pack according to the embodiment of the present invention.

Fig. 6 is a partially enlarged view of fig. 5 at a first folding edge.

Fig. 7 is a schematic view of a partial structure of the temperature adjusting member according to the embodiment of the present invention.

Reference numerals are as follows:

a box body 1; a first case 11; a second case 12; a partition plate 121; a stepped portion 122;

a support 2; a first member 21; a first connection section 211; a first folded edge 212; a second flange 213; a second piece 22; a third fold edge 221; a second connection section 222; a third connecting section 223; a fourth connection section 224; a fourth folded edge 225;

a temperature adjusting member 3; a projection 31; a flow passage 32;

an electric core 4;

a hollowed-out area 5.

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 with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 7, the battery box according to the embodiment of the present invention includes a box body 1, a support member 2, and a temperature adjustment member 3.

The material of the box body 1 may be metal, carbon fiber composite material, etc. as shown in fig. 1, the box body 1 may be rectangular, and in other embodiments, the box body 1 may also be cylindrical, spherical, pyramidal, etc.

Support piece 2 locates box 1, and support piece 2 is suitable for supporting electric core 4, and support piece 2 is equipped with the fretwork district 5 that exposes electric core 4. As shown in fig. 1 and fig. 2, the support member 2 may be fixed in the box 1, the fixing manner may be welding, fastener connection, or the like, the battery cell 4 may be placed or fixed on the support member 2, and the support member 2 may support the battery cell 4, so as to avoid the gravity of the battery cell 4 acting on other components.

Support piece 2 can be split type structure, and support piece 2 comprises a plurality of independent parts promptly, and hollow area 5 can form between a plurality of independent parts of support piece 2, and electric core 4 can expose through hollow area 5 to made things convenient for the arrangement of other spare parts such as piece 3, joint of adjusting temperature.

The box 1 is located to the piece 3 that adjusts the temperature, and piece 3 that adjusts the temperature is suitable for and adjusts the temperature of electric core 4 with the heat exchange of electric core 4, and at least partial piece 3 cooperation that adjusts the temperature is in order to reduce the interval of adjusting the temperature piece 3 and electric core 4 in hollow-out area 5.

As shown in fig. 1, piece 3 that adjusts the temperature can be water-cooling board, and piece 3 that adjusts the temperature can be established between the inner wall of support piece 2 and box 1, and in partly embedding fretwork area 5 of piece 3 that adjusts the temperature, from this, can reduce the interval of piece 3 and electric core 4 that adjusts the temperature, can increase the heat exchange efficiency of piece 3 and electric core 4 that adjusts the temperature.

The utility model discloses battery box, support piece 2 can realize spacing to the support of electric core 4, have avoided electric core 4 to be used in the condition on other spare parts such as piece 3 that adjusts the temperature. Establish through the partly interval that can reduce piece 3 and electric core 4 of adjusting the temperature in fretwork district 5 with piece 3 that adjusts the temperature to can increase electric core 4 and adjust the heat exchange efficiency of piece 3 that adjusts the temperature, and then can strengthen the regulation and control to electric core 4 temperature, make electric core 4 can operate under the environment operating mode that suits, improve the operating property of battery package.

In some embodiments, the support member 2 includes a first member 21 and a second member 22, the first member 21 and the second member 22 are spaced apart, and the hollow area 5 is formed between the first member 21 and the second member 22. As shown in fig. 2, the supporting member 2 may be provided separately, the first piece 21 and the second piece 22 may be both of a long type, both of the first piece 21 and the second piece 22 may extend in the front-rear direction, and the first piece 21 and the second piece 22 may be arranged at intervals in the left-right direction, with the hollow area 5 formed between the first piece 21 and the second piece 22. Therefore, on one hand, the flexibility of assembling the support member 2 is improved, the installation positions of the first member 21 and the second member 22 can be flexibly adjusted according to needs, on the other hand, the arrangement form of the hollow area 5 and the structure of the support member 2 are simplified, and the cost is reduced.

It should be noted that, in some other embodiments, the supporting member 2 may be a square frame, a ring, a U shape, etc., and in this case, the hollow-out area 5 is formed in the area enclosed by the supporting member 2.

In some embodiments, the first member 21 includes a first folded edge 212, a second folded edge 213, and a first connection section 211, the first connection section 211 is connected between the first folded edge 212 and the second folded edge 213, the first folded edge 212 forms an angle with the first connection section 211 and extends toward one side of the first connection section 211, the second folded edge 213 forms an angle with the first connection section 211 and extends toward the other side of the first connection section 211, the second folded edge 213 is suitable for being connected to the case 1, and the first folded edge 212 is suitable for being in contact with the battery cell 4.

Specifically, as shown in fig. 1, the first piece 21 is elongated, and the cross section of the first piece 21 may be Z-shaped. The first member 21 extends integrally along the front-rear direction, the first folding edge 212, the second folding edge 213, and the first connecting section 211 may be all rectangular plate-shaped, wherein the first connecting section 211 is substantially located in a vertical plane, the first folding edge 212 and the second folding edge 213 are substantially located in a horizontal plane, wherein the first folding edge 212 may be connected to the bottom side of the first connecting section 211 and the first folding edge 212 extends to the right, and the second folding edge 213 may be connected to the top side of the first connecting section 211 and the second folding edge 213 extends to the left.

The second folding edge 213 may be connected to the case 1 by a fastener such as a screw, as shown in fig. 5, and the first folding edge 212 may be used to place the battery cell 4 or to be in contact with the battery cell 4. Therefore, on one hand, the structural strength of the first piece 21 can be ensured, and on the other hand, a limiting angle can be formed between the first connecting section 211 and the first folding edge 212, so that a limiting effect on the battery cell 4 can be achieved.

In some embodiments, a step portion 122 is provided in the box body 1, the step portion 122 is fitted between the second flange 213 and the first connecting section 211, and the second flange 213 is connected to the step portion 122. As shown in fig. 5, the step portion 122 may be integrally disposed with the box body 1, the step portion 122 may extend along the front-back direction, the second folded edge 213 may be lapped on the plane of the step portion 122, and the first connecting section 211 may be attached to the vertical surface of the step portion 122, so that the limiting effect on the first piece 21 may be enhanced, and the stability of the first piece 21 in installation may be ensured.

It should be noted that the second flange 213 may be provided with a through hole, through which a screw may pass, so as to facilitate the connection and fixation between the second flange 213 and the plane of the step portion 122.

In some embodiments, the second member 22 corresponds to two first members 21, the second member 22 is disposed between the two first members 21, one of the two first members 21 and the second member 22 are spaced apart and form the hollow area 5, and the other of the two first members 21 and the second member 22 are spaced apart and form the hollow area 5.

Specifically, as shown in fig. 2, two first pieces 21 may be provided, that is, one first piece 21 may be provided on the left side of the second piece 22 and the hollow area 5 is formed therebetween, and one first piece 21 may be provided on the right side of the second piece 22 and the hollow area 5 is formed therebetween. During the use, electric core 4 can all be placed to the left and right sides of second 22, from this, can realize having simplified support piece 2's overall structure to the sharing of second 22, has made things convenient for and has arranged, also the cost is reduced.

In some embodiments, the second member 22 includes a third folding edge 221, a fourth folding edge 225, a second connecting section 222, a third connecting section 223 and a fourth connecting section 224, the third connecting section 223 is connected between the second connecting section 222 and the fourth connecting section 224, the second connecting section 222, the third connecting section 223 and the fourth connecting section 224 define a mounting groove, the third folding edge 221 is connected with the second connecting section 222 and extends towards a side of the second connecting section 222 away from the mounting groove, the fourth folding edge 225 is connected with the fourth connecting section 224 and extends towards a side of the fourth connecting section 224 away from the mounting groove, the third connecting section 223 is adapted to be connected with the case 1, and the third folding edge 221 and the fourth folding edge 225 are adapted to be in close contact with the battery cell 4.

Specifically, as shown in fig. 4, the third folded edge 221, the fourth folded edge 225, the second connecting section 222, the third connecting section 223 and the fourth connecting section 224 may be each flat plate-shaped, the third folded edge 221, the fourth folded edge 225 and the third connecting section 223 are substantially located in a horizontal plane, the second connecting section 222 and the fourth connecting section 224 are substantially located in a vertical plane, wherein a left side of the third connecting section 223 is connected to a top side of the second connecting section 222, a right side of the third connecting section 223 is connected to a right side of the fourth connecting section 224, the second connecting section 222, the third connecting section 223 and the fourth connecting section 224 define a mounting groove with a downward opening, the third folded edge 221 is disposed on the left side of the second connecting section 222 and connected to a bottom side of the second connecting section 222, and the fourth folded edge 225 is disposed on the right side of the fourth connecting section 224 and connected to a bottom side of the fourth connecting section 224.

A limiting angle may be formed between the third folded edge 221 and the second connecting segment 222, and a limiting angle may also be formed between the fourth folded edge 225 and the fourth connecting segment 224, so that the battery cell 4 may be limited and fixed.

It should be noted that, in use, as shown in fig. 2, the third folding edge 221 may be matched with the first folding edge 212 of the first member 21 on the left side of the second member 22, the battery cell 4 may be lapped on the third folding edge 221 and the corresponding first folding edge 212, the fourth folding edge 225 may be matched with the first folding edge 212 of the first member 21 on the right side of the second member 22, and the battery cell 4 may also be lapped on the fourth folding edge 225 and the corresponding first folding edge 212. Thereby, sharing of the second piece 22 is achieved, and the structure of the second piece 22 is made simple.

In some embodiments, a partition 121 is provided in the case 1, the partition 121 is fitted in the fitting groove, and the third connecting section 223 is connected to the partition 121. As shown in fig. 1, the partition plate 121 may be integrally disposed in the box body 1, the partition plate 121 may extend along the front-rear direction, and the partition plate 121 is substantially located in a vertical plane, when the partition plate 121 is installed, the partition plate 121 may be inserted into the assembly groove of the second member 22, the third connecting section 223 may be fixedly connected to the partition plate 121 by a fastening member such as a screw, and the third connecting section 223 may be provided with a plurality of through holes for the fastening member to pass through. Therefore, the partition plate 121 can be stopped by the groove wall of the assembling groove, so that the effect of restricting and limiting the second piece 22 can be achieved, and the assembling stability of the second piece 22 is ensured.

In some embodiments, there are a plurality of the first members 21, a plurality of the first members 21 are arranged at intervals along the length direction of the case 1, a plurality of the second members 22 are arranged at intervals along the length direction of the case 1, and the plurality of the first members 21 and the plurality of the second members 22 correspond one-to-one in the width direction of the case 1.

Specifically, as shown in fig. 2, the first pieces 21 may be provided in plural, the first pieces 21 may be arranged at equal intervals in the front-back direction, the second pieces 22 may be provided in plural, the second pieces 22 may be arranged at equal intervals in the front-back direction, and in the left-right direction, the first pieces 21 and the second pieces 22 correspond to each other one by one, so that on one hand, a function of avoiding a transverse partition (a partition extending in the left-right direction) may be performed, and on the other hand, a requirement on the number of the battery cells 4 to be mounted may be satisfied.

In some embodiments, the temperature adjusting member 3 is disposed between the inner wall of the case 1 and the support member 2, and the temperature adjusting member 3 is provided with a protrusion 31, and the protrusion 31 is fitted in the hollow 5.

Specifically, as shown in fig. 6 and 7, the temperature adjusting member 3 is fixed in the box 1, the temperature adjusting member 3 may be located below the support member 2, the protrusion 31 may be disposed on an upper surface of the temperature adjusting member 3, the protrusion 31 is a protrusion, and the protrusion 31 may be inserted between the first member 21 and the second member 22, so that a distance between the temperature adjusting member 3 and the battery cell 4 may be reduced, and heat exchange efficiency may be enhanced.

It should be noted that, as shown in fig. 7, the temperature adjusting member 3 may be a cooling plate, the temperature adjusting member 3 includes an upper plate and a lower plate, a flow passage 32 is defined between the upper plate and the lower plate, and a cooling liquid may flow through the flow passage 32, so as to perform the cooling function. The projection 31 may be integrally formed on the upper plate, and the projection 31 may be integrally formed with the upper plate by means of punching.

It is understood that in other embodiments, when the external environment temperature is low, a liquid with a higher temperature may be introduced into the flow channel 32, so that the heating of the battery cell 4 may be achieved.

In some embodiments, the support member 2 and the temperature adjusting member 3 are disposed at the bottom of the box body 1, and the temperature adjusting member 3 is located below the battery cell 4. As shown in fig. 5 and fig. 6, the support member 2 and the temperature adjustment member 3 may be both fixed in the box body 1, and the support member 2 and the temperature adjustment member 3 are both located at the bottom of the box body 1, wherein the temperature adjustment member 3 is located below the support member 2, and the battery cell 4 is located above the temperature adjustment member 3, so that when the cooling liquid or the heating liquid of the temperature adjustment member 3 leaks, since the position of the battery cell 4 is high, the situation of flowing in the battery cell 4 can be avoided, and a protection effect is achieved.

In some embodiments, the support member 2 is provided with an escape hole or an escape groove. The avoiding hole and the avoiding groove can achieve the avoiding effect, so that the condition that the supporting piece 2 is in contact interference with other structures is avoided, and the installation and the fixation are facilitated.

In some embodiments, the case 1 includes a first case 11 and a second case 12, and the case 1 is formed by combining the first case 11 and the second case 12. Specifically, as shown in fig. 1, the case 1 may be provided separately, the first case 11 may be provided above the second case 12, the first case 11 may be a case cover, the second case 12 may be a case body, the first case 11 may be fixedly connected to the second case 12 by welding, and the support member 2 and the temperature adjustment member 3 may be installed in the second case 12.

The following describes a battery pack according to an embodiment of the present invention.

The utility model discloses battery package includes the battery box, and the battery box can be the battery box of description in the above-mentioned embodiment. The battery box may be provided therein with a support member 2 and a temperature-adjusting member 3, and the structures of the support member 2 and the temperature-adjusting member 3 may be the same as those of the above-described embodiment, here. The utility model discloses battery pack's control by temperature change is efficient, and the operating performance is good.

In some embodiments, as shown in fig. 1, the battery pack includes a battery cell 4, the support member 2 may be fixed at the bottom of the case 1, and the battery cell 4 may be placed between the first member 21 and the second member 22 of the support member 2. The battery cell 4 may be provided with a plurality of battery cells 4, and the plurality of battery cells 4 may be arranged in order along the front-rear direction. It should be noted that two sides of the second piece 22 may be both provided with a row of battery cells 4, and at this time, the left and right sides of the second piece 22 are both provided with the corresponding first pieces 21.

A vehicle according to an embodiment of the present invention is described below.

The vehicle includes a battery pack, the battery pack may be the battery pack described in the above embodiments, and the vehicle may be a vehicle such as an automobile, a commercial vehicle, an SUV, a truck, or the like, or may be another vehicle that needs to use the battery pack. The utility model discloses the control by temperature change of the battery package of vehicle is efficient, and the operating performance is good.

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 the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and 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 explicitly defined 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 connected internally or in any other suitable relationship, unless expressly stated otherwise. 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, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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 description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. 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.

While embodiments of the present invention have been shown and described above, 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 of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A battery box, comprising:

a box body;

the supporting piece is arranged on the box body and is suitable for supporting the battery cell, and a hollowed-out area for exposing the battery cell is formed in the supporting piece;

the temperature adjusting piece is arranged on the box body and is suitable for exchanging heat with the battery cell to adjust the temperature of the battery cell, and at least part of the temperature adjusting piece is matched in the hollow-out area to reduce the distance between the temperature adjusting piece and the battery cell.

2. The battery box of claim 1, wherein the support member includes a first piece and a second piece, the first piece and the second piece being spaced apart, the hollowed-out area being formed between the first piece and the second piece.

3. The battery box according to claim 2, wherein the first member includes a first folded edge, a second folded edge, and a first connecting section, the first connecting section is connected between the first folded edge and the second folded edge, the first folded edge extends toward one side of the first connecting section at an angle with the first connecting section, the second folded edge extends toward the other side of the first connecting section at an angle with the first connecting section, the second folded edge is adapted to be connected to the box body, the first folded edge is adapted to be in contact with the battery cells, a step portion is disposed in the box body, the step portion is engaged between the second folded edge and the first connecting section, and the second folded edge is connected to the step portion.

4. The battery box according to claim 2, wherein the second member corresponds to two of the first members, the second member is provided between the two first members, one of the two first members and the second member are arranged at intervals and form the hollow area, and the other of the two first members and the second member are arranged at intervals and form the hollow area.

5. The battery box of claim 4, wherein the second member includes a third flange, a fourth flange, a second connecting section, a third connecting section, and a fourth connecting section, the third connecting section is connected between the second connecting section and the fourth connecting section, the second connecting section, the third connecting section, and the fourth connecting section limit an assembly groove, the third flange is connected to the second connecting section and extends toward a side of the second connecting section away from the assembly groove, the fourth flange is connected to the fourth connecting section and extends toward a side of the fourth connecting section away from the assembly groove, the third connecting section is adapted to be connected to the box body, the third flange and the fourth flange are adapted to be in contact with the battery core, a partition is disposed in the box body, the partition fits in the assembly groove, and the third connecting section is connected to the partition.

6. The battery box according to claim 2, wherein the first member is plural, the plural first members are arranged at intervals along a length direction of the box body, the plural second members are plural, the plural second members are arranged at intervals along the length direction of the box body, and the plural first members and the plural second members correspond to each other one by one in a width direction of the box body.

7. The battery box of claim 1, wherein the temperature adjusting member is disposed between the inner wall of the box body and the supporting member, and a protrusion is disposed on the temperature adjusting member and fits in the hollow-out area.

8. The battery box according to any one of claims 1 to 7, wherein the support member and the temperature adjusting member are provided at the bottom of the box body, and the temperature adjusting member is located below the battery cells.

9. A battery pack is characterized by comprising a battery box and a battery core, wherein the battery box is the battery box according to any one of claims 1-8, and the battery core is arranged in the box body and connected with the supporting piece.

10. A vehicle characterized by comprising a battery pack according to claim 9.

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