CN216354565U - Installing support and have its battery package - Google Patents

Abstract

The utility model discloses a mounting bracket and a battery pack having the same, wherein a battery module is arranged below the mounting bracket, the mounting bracket is suitable for mounting components, the mounting bracket is connected to the lower shell of the battery pack, and is installed The bracket comprises a main body part and a first connecting part, the main body part comprises a main board, the first edge of the main board is bent downwards obliquely to form a first flanging, the first connecting part comprises a supporting plate and a connecting plate which are connected at an included angle, and the connecting plate and the The first flange is attached and connected, and the first connection portion is located between two adjacent battery modules. In the mounting bracket of the embodiment of the present invention, the first edge of the main board is bent downwards to form the first flange, and the connecting plate of the first connecting part is attached and connected to the first flange, so as to improve the first flange. The connection strength of the connection part and the main body part can be reduced, and the space occupied by the mounting bracket can also be reduced.

Description

Mounting bracket and battery pack with it

technical field

The utility model relates to the technical field of power batteries, in particular to a mounting bracket and a battery pack having the same.

Background technique

With the popularity of electric vehicles, users have higher and higher requirements for the cruising range of electric vehicles, and the most convenient way to increase the cruising range is to set up multiple battery modules, which form a battery pack to output power. The space utilization of electric vehicles is usually arranged with double-layer modules. The emergence of the double-layer module structure can effectively utilize the envelope space and improve the cruising range of electric vehicles.

The double-layer modules need to be connected through brackets. The brackets should not only ensure the installation and safety of the modules, but also consider the utilization of space. In the prior art, a bracket is formed by assembling a plurality of components, which can meet the face-to-face installation of the double-layer module and achieve the effect of double-layer support, but the installation process of the bracket is relatively complicated, and the required internal space of the battery pack is also limited. The other is a bracket made of an integrated die-casting process, but the use of this bracket requires dislocation of the double-layer module, which will lead to poor rigidity of the battery pack, and it is not easy to vibrate and fall during the national standard certification. pass.

Utility model content

In view of this, the present invention aims to provide an installation bracket, which can ensure that the double-layer module can be installed facing each other and improve the structural rigidity without occupying a large space inside the battery pack.

In order to achieve the above object, the technical scheme of the present utility model is achieved in this way:

An installation bracket, a battery module is arranged below the installation bracket, the installation bracket is suitable for installing components, and the installation bracket is connected to the lower shell of the battery pack; the installation bracket comprises: a main body part , the main body part includes a main board, and the first edge of the main board is inclined downward to form a first flange; the first connection part, the first connection part comprises a support plate and a connection plate connected at an angle, so The connecting plate is attached and connected to the first flange, and the first connecting portion is located between two adjacent battery modules.

According to the mounting bracket of the embodiment of the present invention, the first flange is formed by bending the first edge of the main board obliquely downward, which can effectively reduce the space occupied by the main board, and the supporting plate and the connecting plate of the first connecting part are clamped together. The corners are connected, and the connecting plate of the first connecting part is attached to the first flange, which can improve the connection strength of the first connecting part and the main body part and reduce the occupied space of the mounting bracket, so as to ensure that the mounting bracket Installed in the battery pack, the mounting bracket will not occupy too much space in the battery pack, and the inclined first flange and connecting plate can prevent the first flange and connecting plate from being sheared in the up and down direction, thus ensuring The reliability of the mounting bracket, that is, the mounting bracket of the present application, occupies a small space and has good reliability.

In addition, the mounting bracket according to the above-mentioned embodiment of the present invention may also have the following additional technical features:

According to some embodiments of the present invention, the extending direction of the connecting plate is consistent with the extending direction of the first flange, and the connecting plate is welded on the first flange.

According to some embodiments of the present invention, the included angle between the first flange and the main board is a1, wherein 110°≤a1≤170°; and/or, the clamp between the support plate and the connection plate The angle is a2, where 100°≤a2≤170°.

According to some embodiments of the present invention, the first connection portion further includes a fixing portion, the support plate extends in a direction away from the connection plate, and the fixing portion is connected to a portion of the support plate away from the connection plate. At one end, the fixing part is connected to the lower case of the battery pack.

Optionally, the included angle between the fixing portion and the support plate is a3, where 90°≤a3≤100°.

Optionally, the first connecting portion further includes a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is provided on the support plate, and the second reinforcing rib is provided on the support plate and the the connection of the fixed part.

According to some embodiments of the present invention, the mounting bracket further includes a second connecting portion, a second edge of the main board is inclined downward to form a second flange, and one end of the second connecting portion is connected to the second flange. The other end of the second connecting part is connected to the lower casing of the battery pack; the angle between the second flange and the main board is a4, where 90°≤a4≤130° .

According to some embodiments of the present invention, a weight reduction area and a connection area are formed on the main board, the main body further includes a plurality of installation protrusions, the connection area is provided with the installation protrusions, and a plurality of the installation protrusions are formed. The protrusion is arranged in the circumferential direction of the weight reduction area; the first fastener is connected to the installation protrusion, and the component is mounted on the installation bracket through the first fastener.

Optionally, the mounting bracket further includes a thermal runaway protection piece, and the thermal runaway protection piece is attached and connected to a side of the connection area away from the component; and/or, the installation protrusion is away from the An avoidance groove is formed on one side of the component, one end of the first fastener is connected in the avoidance groove, and the other end of the first fastener passes through the installation protrusion and faces away from the Keep one side of the groove from extending.

Another object of the present invention is to provide a battery pack.

In order to achieve the above object, the technical scheme of the present utility model is achieved in this way:

A battery pack includes a mounting bracket, the mounting bracket is the aforementioned mounting bracket, the main body part cooperates with a plurality of the first connection parts to form an installation space; a battery management system, the battery management system is connected to the main body part upper; a battery module, the battery module is arranged in the installation space.

According to the battery pack according to the embodiment of the present invention, by using the aforementioned mounting bracket, the battery management system and the battery module can be installed facing each other while the space utilization rate of the battery pack is effectively improved, so as to achieve the effect of double-layer support. Avoid large displacements in the case of battery pack shocks, drops, etc., and improve the safety of battery packs.

Description of drawings

The accompanying drawings that constitute a part of the present invention are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 is a schematic diagram of a mounting bracket according to the present invention.

Figure 2 is a right side view of the mounting bracket according to the present invention.

3 is an exploded view of the mounting bracket according to the present invention.

4 is a schematic view of another angle of the mounting bracket according to the present invention.

FIG. 5 is a schematic diagram of the mounting bracket connected to the lower casing of the battery pack according to the present invention.

FIG. 6 is a cross-sectional view of the mounting bracket connected to the lower case of the battery pack according to the present invention.

Reference number:

1000, mounting bracket;

100. Main body;

110. Mainboard;

113. Weight loss area; 114. Connection area;

120. Install the protrusion; 121. Avoid the groove;

130. Weight reduction hole;

140. The first flanging;

150. Second flanging;

200. The first connecting part;

210. Support plate;

220, connecting plate;

230, fixing part; 231, mounting hole;

240, the first reinforcing rib;

250, the second reinforcing rib;

300, the second connecting part; 400, the first fastener; 500, the installation space;

600, the second fastener; 700, the wire harness clipping hole; 800, the thermal runaway guard clipping hole; 2000, the battery pack; 2100, the lower shell; 2200, the battery module.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

The present utility model will be described in detail below with reference to FIG. 1 to FIG. 6 and in conjunction with the embodiments.

As shown in FIG. 5 and FIG. 6 , according to the mounting bracket 1000 according to the embodiment of the present invention, a battery module 2200 is arranged below the mounting bracket 1000 , and the mounting bracket 1000 is suitable for installing components, and the mounting bracket 1000 is connected to the battery pack 2000 on the lower case 2100.

As shown in FIGS. 1-4 , the mounting bracket 1000 includes: a main body part 100 and a first connecting part 200 .

Wherein, as shown in FIG. 1 , the main body 100 includes a main board 110 , and the first edge of the main board 110 is bent downward obliquely to form a first flange 140 .

As shown in FIG. 3 , the first connection part 200 includes a support plate 210 and a connection plate 220 connected at an angle. The connection plate 220 is attached to the first flange 140 and the first connection part 200 is located between two adjacent batteries. Between modules 2200.

It can be seen from the above structure that the mounting bracket 1000 according to the embodiment of the present invention forms the first flange 140 by bending the first edge of the main board 110 obliquely downward. Extending downward, on the one hand, the first flange 140 can increase the structural strength of the main board 110 to ensure that the main body 100 is not easily bent when the mounting bracket 1000 is impacted, dropped, etc.; on the other hand, the first flange 140 can be increased The contact area between the main body part 100 and the first connection part 200 increases the connection strength between the first connection part 200 and the main body part 100, and ensures that the first connection part 200 can be stably connected to the main body part 100, so that the mounting bracket 1000 can be The overall structure is stable.

It is worth noting that, on the premise that the extension length of the first flange 140 is constant, compared with the first flange 140 extending horizontally, the first flange 140 extending obliquely downward can reduce the length of the first flange 140 The space occupied in the horizontal direction is to reduce the overall length and overall width of the main body portion 100 , thereby reducing the overall size of the main body portion 100 . In this way, arranging the main body portion 100 in the battery pack 2000 can save the space occupied by the main body portion 100 . space, improve the space utilization rate of the battery pack 2000, and when the mounting bracket 1000 is hit, especially when hit in the up and down direction, the first flange 140 arranged obliquely can also avoid the shear force in the up and down direction, improve the installation Structural reliability of stent 1000.

By connecting the support plate 210 and the connecting plate 220 at an included angle, such arrangement can ensure that the connecting plate 220 can be attached to the first flange 140, and at the same time, the occupied area of the first connecting portion 200 can be reduced, so that the By connecting the first connecting portion 200 to the main body portion 100, the size of the mounting bracket 1000 can be reduced, so that the mounting bracket 1000 can be easily installed in the battery pack 2000, and the mounting bracket 1000 will not occupy too much inside the battery pack 2000. Space.

It should be noted that by attaching the connecting plate 220 to the first flange 140, the contact area between the connecting plate 220 and the first flange 140 can be increased, thereby increasing the contact area between the first connecting portion 200 and the main body portion 100. The first connecting portion 200 can be stably connected to the main body portion 100 , the structural stability of the mounting bracket 1000 is improved, and the mounting bracket 1000 can stably support the components.

Because the space occupied by the first connecting portion 200 is small, in the present application, the first connecting portion 200 is arranged between two adjacent battery modules 2200, so that when the battery module 2200 is arranged, the two adjacent batteries can be reduced. The distance between the modules 2200 can improve the space utilization rate inside the battery pack 2000, ensure that more battery modules 2200 can be placed in the battery pack 2000, and set the battery pack 2000 on the electric vehicle. recharge mileage.

It can be understood that, compared with the prior art, the mounting bracket 1000 of the present application is provided with the first flange 140 extending obliquely downward, and the supporting plate 210 and the connecting plate 220 of the first connecting portion 200 are formed at an included angle Connected, while improving the structural strength of the mounting bracket 1000 and ensuring that the first connecting portion 200 can be stably connected to the main body portion 100, the size of the mounting bracket 1000 can also be reduced to ensure that the first connecting portion 200 of the mounting bracket 1000 can be connected to the main body portion 100. The space inside the battery pack 2000 is not occupied too much between the two battery modules 2200 .

Optionally, the mounting bracket 1000 can be made of cast steel, glass fiber reinforced plastic, or aluminum alloy, etc., which can improve the structural strength of the mounting bracket 1000 and reduce the weight of the mounting bracket 1000. In this way, the mounting bracket 1000 is installed on the battery pack 2000. When inside, the mounting bracket 1000 can stably support components and improve the cruising range of the electric vehicle.

Optionally, as shown in FIG. 1 and FIG. 2 , the first connecting parts 200 include a plurality of first connecting parts 200 , and the plurality of first connecting parts 200 are arranged on the front and rear sides of the main board 110 to further increase the lower part of the mounting bracket 1000 and the battery pack 2000 . The contact area of the housing 2100 enables the mounting bracket 1000 to be stably disposed in the battery pack 2000 , so as to ensure that the mounting bracket 1000 can stably support components and improve the structural stability of the battery pack 2000 .

Of course, in some other examples, the plurality of first connecting parts 200 can also be evenly arranged in the circumferential direction of the main board 110 , so that the first connecting parts 200 are provided on the front, rear, left and right sides of the main board 110 . The size of the mounting bracket 1000 can be further reduced while the contact area of the lower case 2100 of the package 2000 is reduced.

It should be noted that when the main board 110 is provided with the first connecting portions 200 in the circumferential direction, the first edge of the main board 110 is surrounded in the circumferential direction of the main board 110 and is bent obliquely downward to form the first flange 140 .

Optionally, as shown in FIG. 3 , the main body part 100 and the first connection part 200 are provided with wire harness clamping holes 700 . After the battery module 2200 and the components are installed in place, the battery can be connected to the battery through the wire harness clamping holes 700 . The wire harness in the battery pack 2000 is limited to facilitate the installation of the wire harness in the battery pack 2000 and improve the electrical safety of the battery pack 2000 .

It should be noted that the above-mentioned components can be one of the battery management system or the power distribution unit, or the battery module 2200. By installing the battery management system, the power distribution unit or the battery module 2200 in the installation On the bracket 1000, the mounting bracket 1000 is used to support the above-mentioned components, so as to improve the positional stability of the components and prolong the service life of the components.

Of course, in some other examples, the components mounted on the mounting bracket 1000 are not limited to one of the battery management system, the power distribution unit or the battery module 2200, and the battery management system, the power distribution unit or the battery module may also be used. A plurality of groups 2200 are mounted on the mounting bracket 1000 simultaneously, so that one mounting bracket 1000 can support multiple components at the same time.

In some embodiments of the present invention, as shown in FIG. 3 , the extending direction of the connecting plate 220 is consistent with the extending direction of the first flange 140 . Ensure that the connecting plate 220 can be attached to the first flange 140 to increase the contact area between the connecting plate 220 and the first flange 140, thereby increasing the contact area between the first connecting part 200 and the main body 100, so that the first connection The part 200 can be stably connected to the main body part 100 , thereby improving the structural stability of the mounting bracket 1000 .

Optionally, the connecting plate 220 is welded on the first flange 140 . In order to increase the connection strength between the connection plate 220 and the first flange 140, it is further ensured that the first connection part 200 can be stably connected to the main body part 100.

Optionally, the included angle between the first flange 140 and the main board 110 is a1, where 110°≤a1≤170°. The first flanging 140 is inclined relative to the main board 110, and the occupied area of the first flanging 140 can be reduced while ensuring that the first flanging 140 has a sufficient length, thereby reducing the occupied area of the mounting bracket 1000 and saving space .

It should be noted that the angle between the first flange 140 and the main board 110 at this time refers to the inclination angle between the first flange 140 and the main board 110 inside the mounting bracket 1000 . When the included angle between them is small, on the one hand, the manufacturing difficulty of the main body part 100 will be increased, so that the main body part 100 cannot be manufactured by an integral molding process; In this way, the first flange 140 occupies the space inside the mounting bracket 1000 , so that the battery module 2200 cannot be installed inside the mounting bracket 1000 ; when the angle between the first flange 140 and the main board 110 is large, the first flange The flange 140 will increase the size of the main body 100 in the horizontal direction, so that the mounting bracket 1000 will occupy more space inside the battery pack 2000 . Therefore, in this application, the angle between the first flange 140 and the motherboard 110 is adjusted A1 is set to 110°≤a1≤170°, which reduces the manufacturing difficulty of the main body 100 and ensures that the first flange 140 does not occupy the internal space of the mounting bracket 1000, and also reduces the size of the mounting bracket 1000, which is convenient for the battery pack 2000 A mounting bracket 1000 is provided inside.

Optionally, a1 may be one of 120°, 130°, 140°, 150° or 160°.

Optionally, the included angle between the support plate 210 and the connection plate 220 is a2, where 100°≤a2≤170°. So that the angle between the support plate 210 and the connecting plate 220 can be matched with the angle between the first flange 140 and the main plate 110, that is, to ensure that the extending direction of the connecting plate 220 can be consistent with the extending direction of the first flange 140, The connecting plate 220 can be stably connected to the first flange 140 .

In some embodiments of the present invention, as shown in FIGS. 1 and 3 , the first connecting portion 200 further includes a fixing portion 230 , and the support plate 210 extends in a direction away from the connecting plate 220 . It can also be understood here that the support plate 210 extends in a direction away from the first flange 140 to ensure that the support plate 210 can extend toward the lower shell 2100 of the battery pack 2000 , so that the mounting bracket 1000 can be attached to the mounting bracket 1000 through the first connecting portion 200 later. Connected to the lower case 2100.

Optionally, as shown in FIG. 3 , the fixing part 230 is connected to the end of the support plate 210 away from the connecting plate 220 , and the fixing part 230 is connected to the lower case 2100 of the battery pack 2000 . The fixing part 230 is used to increase the connection area between the first connection part 200 and the lower case 2100, to ensure that the first connection part 200 can be connected to the lower case 2100, and to improve the connection strength between the first connection part 200 and the lower case 2100, Therefore, the positional stability of the first connecting portion 200 relative to the lower casing 2100 is improved, that is, the positional stability of the mounting bracket 1000 is improved, so that the mounting bracket 1000 can stably support the components.

Optionally, as shown in FIG. 1 , the fixing portion 230 is provided with a mounting hole 231 , and the second fastener 600 is fixedly connected to the lower casing 2100 after passing through the mounting hole 231 .

Optionally, the second fastener 600 can be selected from one of bolts or screws. The bolts or screws pass through the mounting holes 231 and are fixedly connected to the lower casing 2100 to realize the fixed connection between the mounting bracket 1000 and the battery pack 2000 , And realizes that the mounting bracket 1000 is detachably connected to the battery pack 2000 .

It should be noted that by detachably connecting the mounting bracket 1000 to the battery pack 2000 , the connection difficulty of the mounting bracket 1000 can be reduced, and when the mounting bracket 1000 is damaged subsequently, it is convenient to replace or maintain the mounting bracket 1000 .

Of course, in some other examples, the connection between the mounting bracket 1000 and the battery pack 2000 is not limited to the above-mentioned detachable connection. For example, the mounting bracket 1000 can also be fixedly connected to the battery pack 2000 by welding. , the welding connection can increase the connection strength between the mounting bracket 1000 and the battery pack 2000 , and further improve the structural stability of the mounting bracket 1000 .

Optionally, as shown in FIG. 1 and FIG. 2 , the included angle between the fixing portion 230 and the support plate 210 is a3, where 90°≤a3≤100°. In the case where the extension directions of the fixing portion 230 and the connecting plate 220 are the same, when the included angle between the fixing portion 230 and the supporting plate 210 is small, the supporting plate 210 is extended in a direction away from the connecting plate 220 , so that the supporting plate 210 is facing the installation. The interior of the bracket 1000 is extended, and the first connecting portion 200 will occupy the space inside the mounting bracket 1000 , so that the battery module 2200 cannot be installed inside the mounting bracket 1000 ; When the angle is larger, on the premise that the fixing portion 230 can be connected to the lower casing 2100, the length of the support plate 210 will be longer, and the size of the main body portion 100 in the horizontal direction will be larger, so that the mounting bracket 1000 will It takes up a lot of space inside the battery pack 2000. Therefore, in the present application, by setting the angle a3 between the fixing portion 230 and the supporting plate 210 to be 90°≤a3≤100°, it is ensured that the first connection portion 200 does not occupy the installation space. The internal space of the bracket 1000 can also reduce the size of the installation bracket 1000 , so that the installation bracket 1000 can be easily arranged in the battery pack 2000 .

Alternatively, a3 may be one of 93°, 95° or 98°.

Optionally, as shown in FIG. 1 , the first connecting portion 200 further includes a first reinforcing rib 240 , and the first reinforcing rib 240 is provided on the support plate 210 . The first reinforcing rib 240 is used to strengthen the structural strength and rigidity of the support plate 210 , thereby improving the structural stability of the first connecting part 200 and ensuring that the first connecting part 200 can stably connect the mounting bracket 1000 to the lower shell of the battery pack 2000 body 2100, thereby improving the structural stability of the mounting bracket 1000.

Optionally, the first reinforcing rib 240 extends vertically along the support plate 210 to increase the area of the first reinforcing rib 240 on the support plate 210, thereby further enhancing the structural strength and rigidity of the support plate 210.

Optionally, as shown in FIG. 1 , the first connecting portion 200 further includes a second reinforcing rib 250 , and the second reinforcing rib 250 is provided at the connection between the support plate 210 and the fixing portion 230 . The second reinforcing rib 250 is used to enhance the strength of the connection between the support plate 210 and the fixing portion 230 to prevent the first connection portion 200 from being broken from the connection between the support plate 210 and the fixing portion 230 , so as to further improve the structure of the first connection portion 200 stability.

In some examples, in order to further improve the strength and rigidity of the first connecting portion 200 , reinforcing flanges may be provided on both sides of the support plate 210 and both sides of the fixing portion 230 .

It should be noted that, in the present application, the first reinforcing rib 240 , the second reinforcing rib 250 and the reinforcing flange are provided to further improve the overall stability of the mounting bracket 1000 and effectively reduce the occurrence of the first connection portion 200 in the battery pack 2000 . Risk of bending during shock or drop conditions.

In some embodiments of the present invention, as shown in FIGS. 1 and 2 , the mounting bracket 1000 further includes a second connecting portion 300 , the second edge of the main board 110 is inclined downward to form a second flange 150 , and the second connecting portion One end of the 300 is connected to the second flange 150 . That is to say, the second connecting part 300 is connected to the main board 110 through the second flange 150, and the second flange 150 is used to increase the contact area between the second connecting part 300 and the main board 110, so as to ensure that the second connecting part 300 can be stably It is connected to the main board 110 , thereby improving the structural stability of the mounting bracket 1000 and enhancing the structural strength of the mounting bracket 1000 .

Optionally, one end of the second connecting part 300 is welded and connected to the second flange 150 to improve the connection strength between the second connecting part 300 and the second flange 150 and further ensure that the second connecting part 300 can be stably connected to the main board 110 superior.

Optionally, the other end of the second connection part 300 is connected to the lower case 2100 of the battery pack 2000 . Thus, it is ensured that the mounting bracket 1000 can be connected to the lower case 2100 of the battery pack 2000 .

It can be seen from this that the mounting bracket 1000 of the present application is not only connected to the lower casing 2100 of the battery pack 2000 through the first connecting portion 200 , but also connected to the lower casing 2100 of the battery pack 2000 through the second connecting portion 300 . The connection portion 200 and the second connection portion 300 cooperate to increase the contact area between the mounting bracket 1000 and the lower case 2100 , so that the position of the mounting bracket 1000 relative to the lower case 2100 is stable.

Optionally, as shown in FIG. 1 and FIG. 2 , the second connection parts 300 include a plurality of second connection parts 300 , and the plurality of second connection parts 300 are arranged on the left and right sides of the main board 110 to further increase the lower part of the mounting bracket 1000 and the battery pack 2000 . The contact area of the housing 2100 enables the mounting bracket 1000 to be stably disposed in the battery pack 2000 , so as to ensure that the mounting bracket 1000 can stably support components and improve the structural stability of the battery pack 2000 .

It should be noted that, in the present application, a plurality of first connection parts 200 and a plurality of second connection parts 300 are provided, and the plurality of first connection parts 200 and the plurality of second connection parts 300 are located on different sides of the main board 110 , thereby The structural strength of the mounting bracket 1000 in all directions is ensured, and the mounting bracket 1000 can be connected to the lower case 2100 at different positions, so that the position of the mounting bracket 1000 relative to the lower case 2100 is stable.

Optionally, the second connecting portion 300 is also provided with the first reinforcing rib 240 , the second reinforcing rib 250 and the reinforcing flange respectively. 240 , the second reinforcing rib 250 and the beneficial effects produced by the reinforcing flanging are not repeated here.

Optionally, the included angle between the second flange 150 and the main board 110 is a4, where 90°≤a4≤130°. It should be noted that the angle between the second flange 150 and the main board 110 referred to here refers to the inclination angle between the second flange 150 located inside the mounting bracket 1000 and the main board 110, because the second flange 150 The second connecting part 300 is connected to the upper part. The inclination angle of the second flange 150 relative to the main board 110 directly affects the inclination angle of the second connecting part 300. When the angle between the second flange 150 and the main board 110 is small, the The second flange 150 extends toward the inside of the mounting bracket 1000 , and the second flange 150 will occupy the space inside the mounting bracket 1000 , which will also lead to the second connecting portion 300 connected to the second flange 150 . The space inside the mounting bracket 1000 is occupied, so that the battery module 2200 cannot be installed inside the mounting bracket 1000; when the included angle between the second flange 150 and the main board 110 is large, it is necessary to ensure that the second flange 150 has a sufficient length , the size of the main body portion 100 in the horizontal direction will be larger, and the mounting bracket 1000 will occupy more space inside the battery pack 2000 . The angle a4 is set to 90°≤a4≤130°, which can reduce the size of the mounting bracket 1000 while ensuring that the second flange 150 does not occupy the inner space of the mounting bracket 1000 , and is convenient to install the mounting bracket 1000 in the battery pack 2000 .

Alternatively, a4 may be one of 100°, 110° or 120°.

Of course, in some other examples, the angle a4 between the second flange 150 and the main board 110 is not limited to be set to 90°≤a4≤130°, and those skilled in the art can set it according to actual needs, as long as it is ensured that It is sufficient that the size of the mounting bracket 1000 in the horizontal direction is not too large and the second flange 150 does not occupy the space inside the mounting bracket 1000 .

In some embodiments of the present invention, as shown in FIG. 1 , a weight reduction area 113 is formed on the main board 110 . The weight reduction area 113 is used to reduce the weight of the main board 110 to realize the lightweight of the main board 110 and further realize the lightweight of the mounting bracket 1000. In this way, when the mounting bracket 1000 of the present application is installed on the electric vehicle, the electric vehicle can also be lifted. cruising range.

Optionally, as shown in FIG. 1 , the main board 110 is provided with a weight reduction hole 130 , and a weight reduction area 113 is formed on the main board 110 through the weight reduction hole 130 . The opening of the weight reduction hole 130 can not only reduce the weight of the mounting bracket 1000 , but also In addition, the material used for the main board 110 can be reduced, and the production cost of the mounting bracket 1000 can be reduced.

Optionally, as shown in FIG. 1 , the weight-reducing hole 130 is located in the middle of the main board 110 , because the displacement in the middle of the main board 110 is the largest when the battery pack 2000 is impacted, dropped, etc. The opening of a weight-reducing hole 130 can effectively remove the middle part of the main board 110 with a large displacement, thereby reducing the overall displacement of the mounting bracket 1000, and effectively preventing the mounting bracket 1000 from hitting the internal battery module 2200, thereby improving the battery module 2200. In addition, since the overall displacement of the mounting bracket 1000 is relatively low, the stress at the connection installation position between the components and the mounting bracket 1000 is smaller, thereby reducing the risk of fracture failure of the mounting bracket 1000, extending the installation time. The service life of the bracket 1000.

Optionally, as shown in FIG. 1 , a connection area 114 is further formed on the main board 110 , the main body 100 further includes a plurality of installation protrusions 120 , and the connection area 114 is provided with installation protrusions 120 . That is to say, the plurality of mounting protrusions 120 are all disposed in the connection area 114, and the connection area 114 provides a layout space for the installation of the plurality of mounting protrusions 120, ensuring that the mounting protrusions 120 can be formed on the main board 110, and the plurality of mounting protrusions 120 can be formed on the motherboard 110. The cooperation of the lifters 120 can strengthen the strength of the main body part 100 and increase the rigidity of the main body part 100 , so that the main body part 100 is not easily deformed, thereby further improving the supporting stability of the mounting bracket 1000 .

Optionally, the first fastener 400 is connected to the mounting protrusion 120 , and the component is mounted on the mounting bracket 1000 through the first fastener 400 . That is to say, the mounting protrusions 120 not only increase the structural strength of the main body portion 100 , but also provide mounting points for the arrangement of components to ensure that the components can be connected to the mounting bracket 1000 . And by connecting the components on the mounting bracket 1000 through the first fastener 400 , the connection strength between the components and the mounting bracket 1000 can also be improved, thereby improving the stability of the components on the mounting bracket 1000 .

Optionally, one end of the first fastener 400 is formed with a connecting portion, and the other end of the first fastener 400 passes through the mounting protrusion 120 and extends toward a side away from the avoidance groove 121 . The first fastener 400 is connected to the main board 110 through the connecting portion, and the component is connected with the other end of the first fastener 400 , so as to ensure that the component can be connected to the mounting bracket 1000 through the first fastener 400 .

Optionally, the connection part of the first fastener 400 is welded on the main board 110, and the connection part of the first fastener 400 can increase the contact area between the first fastener 400 and the main board 110, so that the first fastener 400 It can be stably connected to the main board 110 to realize the fixed connection between the first fastener 400 and the main board 110 .

Optionally, an avoidance hole for avoiding the first fastener 400 is formed on the component, and the other end of the first fastener 400 is connected to the component through the avoidance hole, so as to realize the connection of the component through the first fastener 400 . Attached to the mounting bracket 1000.

Optionally, the first fastener 400 can also be one of bolts or screws. After the bolts or screws pass through the parts through the avoidance holes, the nuts are assembled on the bolts or screws, so that the parts can be installed on the parts. On the mounting bracket 1000 , the fixed connection between the components and the mounting bracket 1000 is realized. At this time, the mounting bracket 1000 can play the role of supporting the components and improve the structural stability of the components.

Optionally, as shown in FIG. 1 , a plurality of installation protrusions 120 are provided in the circumferential direction of the weight reduction area 113 . In order to make the weight distribution of the components mounted on the mounting protrusion 120 on the main body 100 more uniform, the mounting bracket 1000 can stably support the components.

Optionally, the mounting bracket 1000 further includes a thermal runaway protection piece (not shown in the figure), and the thermal runaway protection piece is attached and attached to the side of the connection area 114 away from the components. It can also be understood that the thermal runaway protection component is connected to one side of the main board 110 , and the thermal runaway protection component is used to improve the safety of the battery pack 2000 and prevent thermal runaway of the battery module 2200 in the battery pack 2000 .

Optionally, as shown in FIG. 3 and FIG. 4 , a side of the mounting protrusion 120 away from the component forms an avoidance groove 121 , and one end of the first fastener 400 is connected in the avoidance groove 121 . Here, it means that one end of the first fastener 400 formed with the connecting portion is connected in the avoidance groove 121 , and the avoidance groove 121 functions as an avoidance connection portion, so that when the component is installed through the first fastener 400 After the bracket 1000 is installed, it can be ensured that the end of the first fastener 400 connected to the mounting bracket 1000 will not exceed the bottom of the motherboard 110, because the bottom of the motherboard 110 is used to connect the thermal runaway protection. The first fastener 400 damages the thermal runaway guard, prolongs the service life of the thermal runaway guard, and enables the thermal runaway guard to effectively play its own role; One end of the fastener 400 slaps the battery module 2200 below, so as to further improve the safety of the battery pack 2000 .

Optionally, the mounting protrusion 120 may be formed on the main body portion 100 by means of stamping, and in this way, the avoidance groove 121 can be formed on the side of the mounting protrusion 120 away from the component, and there is no need to specially open the avoidance groove 121. , reducing the manufacturing difficulty of the mounting bracket 1000 .

Optionally, as shown in FIG. 3 , the main body portion 100 is provided with a plurality of thermal runaway guard snap holes 800 , and the thermal runaway guard is connected to the mounting bracket 1000 through the thermal runaway guard snap holes 800 to improve thermal stability. Positional stability of the runaway guard.

It should be noted that the thermal runaway protection element mentioned here may specifically be a fireproof/insulating element, and the fireproof/insulating element is a prior art well known to those skilled in the art, and details are not described here.

The battery pack 2000 according to the embodiment of the present invention will be described in detail below with reference to FIG. 5 and FIG. 6 in combination with the embodiments.

As shown in FIG. 6 , a battery pack 2000 according to an embodiment of the present invention includes a mounting bracket 1000 , a battery management system and a battery module 2200 .

The mounting bracket 1000 is the aforementioned mounting bracket 1000 , and the main body portion 100 and the plurality of first connecting portions 200 cooperate to form the mounting space 500 .

The battery management system is connected to the main body part 100 .

The battery module 2200 is arranged in the installation space 500 .

It can be seen from the above structure that the battery pack 2000 of the embodiment of the present invention adopts the aforementioned mounting bracket 1000, the mounting bracket 1000 does not occupy too much space in the battery pack 2000, so as to improve the space utilization rate of the battery pack 2000, In addition, too many battery modules 2200 can be arranged in the battery pack 2000, and the battery pack 2000 can be applied to an electric vehicle, which can effectively improve the cruising range of the electric vehicle.

By forming the installation space 500 , the battery module 2200 can be arranged in the installation bracket 1000 , that is, the battery module 2200 can be arranged under the installation bracket 1000 , so as to ensure that the battery management system is connected to the main body 100 at the same time. , the battery module 2200 can be arranged in the installation space 500 below the main body part 100 , so as to ensure that the battery management system and the battery module 2200 can be installed facing each other to achieve the effect of double-layer support, so as to further improve the structural stability of the battery pack 2000 , and the battery module 2200 is arranged in the installation space 500. At this time, the installation bracket 1000 can not only limit the position of the battery module 2200, but also protect the battery module 2200, thereby improving the safety of the battery module 2200. sex.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of the new protection.

Claims (10)

1. A mounting bracket (1000) is characterized in that a battery module (2200) is arranged below the mounting bracket (1000), parts are suitable to be mounted on the mounting bracket (1000), and the mounting bracket (1000) is connected to a lower shell (2100) of a battery pack (2000); the mounting bracket (1000) comprises:

the main body part (100), the main body part (100) comprises a main plate (110), and a first flanging (140) is formed by bending a first edge of the main plate (110) obliquely downwards;

the first connecting portion (200) comprises a supporting plate (210) and a connecting plate (220) which are connected at an included angle, the connecting plate (220) is attached to and connected with the first flanging (140), and the first connecting portion (200) is located between two adjacent battery modules (2200).

2. The mounting bracket (1000) according to claim 1, wherein the connecting plate (220) extends in the same direction as the first flange (140), the connecting plate (220) being welded to the first flange (140).

3. The mounting bracket (1000) according to claim 1, wherein the first flange (140) is angled at an angle a1 with respect to the main panel (110), wherein a1 is 110 ° or more and 170 ° or less; and/or the included angle between the supporting plate (210) and the connecting plate (220) is a2, wherein a2 is more than or equal to 100 degrees and less than or equal to 170 degrees.

4. The mounting bracket (1000) according to claim 1, wherein the first connecting portion (200) further comprises a fixing portion (230), the support plate (210) extends toward a direction away from the connecting plate (220), the fixing portion (230) is connected to an end of the support plate (210) away from the connecting plate (220), and the fixing portion (230) is connected to a lower case (2100) of the battery pack (2000).

5. The mounting bracket (1000) according to claim 4, wherein the fixing portion (230) is at an angle a3 with the support plate (210), wherein a3 is 90 ° or more and 100 ° or less.

6. The mounting bracket (1000) according to claim 4, wherein the first connecting portion (200) further comprises a first reinforcing rib (240) and a second reinforcing rib (250), the first reinforcing rib (240) is provided on the support plate (210), and the second reinforcing rib (250) is provided at a connection of the support plate (210) and the fixing portion (230).

7. The mounting bracket (1000) according to any one of claims 1-6, further comprising a second connecting portion (300), wherein a second edge of the main plate (110) is inclined downward to form a second flange (112), one end of the second connecting portion (300) is connected to the second flange (112), and the other end of the second connecting portion (300) is connected to the lower case (2100) of the battery pack (2000); the included angle between the second turned edge (112) and the main board (110) is a4, wherein a4 is more than or equal to 90 degrees and less than or equal to 130 degrees.

8. The mounting bracket (1000) according to claim 1, wherein a weight-reduced region (113) and a connecting region (114) are formed on the main plate (110), the main body portion (100) further comprises a plurality of mounting protrusions (120), the connecting region (114) is provided with the mounting protrusions (120), and a plurality of the mounting protrusions (120) are provided in a circumferential direction of the weight-reduced region (113);

a first fastener (400) is connected to the mounting boss (120), and the component is mounted on the mounting bracket (1000) through the first fastener (400).

9. The mounting bracket (1000) of claim 8, further comprising a thermal runaway guard snugly attached to a side of the connection region (114) remote from the component; and/or the presence of a gas in the gas,

an avoiding groove (121) is formed in one side, far away from the part, of the mounting protrusion (120), one end of the first fastening piece (400) is connected into the avoiding groove (121), and the other end of the first fastening piece (400) penetrates through the mounting protrusion (120) and extends towards one side, far away from the avoiding groove (121).

10. A battery pack (2000), comprising:

a mounting bracket (1000), the mounting bracket (1000) being the mounting bracket (1000) of any one of claims 1-9, the main body portion (100) and the plurality of first connection portions (200) cooperating to form a mounting space (500);

a battery management system connected to the main body (100);

a battery module (2200), the battery module (2200) being provided in the installation space (500).

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