CN214254618U

CN214254618U - Installing support and battery module subassembly of module curb plate

Info

Publication number: CN214254618U
Application number: CN202120252501.4U
Authority: CN
Inventors: 崔晓雨
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-09-21
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a installing support and battery module subassembly of module curb plate, the installing support of module curb plate includes: the supporting plate is connected with a module side plate of the battery module and is used for supporting the outer side surface of the module side plate; the mounting plate is connected with the supporting plate and provided with a fixed mounting position, and a reinforcing plate is connected between the mounting plate and the supporting plate; wherein, the mounting panel is fixed continuous with the lower side of the lateral surface of backup pad. The utility model discloses the installing support of module curb plate, the backup pad is connected with the module curb plate of battery module, and links to each other the direct inner wall with the battery package of mounting panel through the fixed mounting position, makes backup pad and mounting panel link to each other and be equipped with the reinforcing plate to with battery module snap-on the inner wall of battery package, reduced the processing cost, reduce the too big problem of crowded deformation of vibration process mounting point fracture risk and module circulation expansion in-process electricity core, extension module electricity core circulation life.

Description

Installing support and battery module subassembly of module curb plate

Technical Field

The utility model belongs to the technical field of the battery manufacturing technique and specifically relates to a battery module subassembly of installing support of module curb plate and installing support that has this module curb plate is related to.

Background

Along with the society development to the constantly promotion of environmental problem attention degree, electric automobile's popularization is higher and higher, and electric automobile's security performance also reflects thereupon, and battery module is as the core spare part in the battery package, and its safety characteristic is crucial. Among the prior art, the fixed position of battery module sets up in end plate position department usually, plays the inhibiting action to electric core circulation inflation, is unfavorable for the use of electric core and the extension of life-span time, or sets up in the higher position department of curb plate, needs increase bearing structure when whole package design, promotes the mounting point height in order to realize the assembly, and is with too high costs, has the space of improvement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a mounting bracket of module curb plate has improved module global rigidity, reduces the vibration process mounting point fracture risk and module circulation expansion in-process electricity core and receives crowded risk, extension module electricity core circulation life.

According to the utility model discloses installing support of module curb plate, include: the supporting plate is connected with a module side plate of the battery module and used for supporting the outer side surface of the module side plate; the mounting plate is connected with the supporting plate, the mounting plate is provided with a fixed mounting position, and a reinforcing plate is connected between the mounting plate and the supporting plate; the mounting plate is fixedly connected with the lower side edge of the outer side face of the supporting plate.

According to the utility model discloses the installing support of module curb plate, the backup pad is connected with the module curb plate of battery module, and link to each other the direct inner wall with the battery package of mounting panel through the fixed mounting position, make backup pad and mounting panel link to each other and be equipped with the reinforcing plate, thereby with battery module snap-on the inner wall of battery package, the processing cost has been reduced, the module global rigidity has been improved, reduce the too big problem of crowded deformation of vibration process mounting point fracture risk and module circulation expansion in-process electricity core, extension module electricity core circulation life.

According to the utility model discloses the installing support of module curb plate, the mounting panel is a plurality of, and is a plurality of the mounting panel is in the lateral surface interval of backup pad is arranged.

According to the utility model discloses the installing support of module curb plate, fixed mounting position is including locating the mounting hole of mounting panel, the mounting hole be used for with the bottom plate of battery package passes through connecting piece detachably and links to each other, just the mounting panel is in the both sides of mounting hole all are equipped with the strengthening rib be used for with the backup pad links to each other.

According to the utility model discloses the installing support of module curb plate, the mounting panel includes straight plate portion and semicircle board part, straight plate portion with the backup pad links to each other, just semicircle board portion with straight plate portion deviates from the one end of backup pad links to each other, the mounting hole is located straight plate portion with the junction of semicircle board portion.

According to the utility model discloses the installing support of module curb plate, the centre of a circle of mounting hole with the centre of a circle coincidence of semicircle board part.

According to the utility model discloses the installing support of module curb plate, every two that the mounting panel corresponds the reinforcing plate is in the bilateral symmetry of mounting hole sets up.

According to the utility model discloses the installing support of module curb plate, the both ends of backup pad all are equipped with connects the turn-ups, just two of backup pad connect the turn-ups respectively support press in two module end plates of battery module.

According to the utility model discloses the installing support of module curb plate, the reinforcing plate structure is triangle-shaped board, just the lower part right angle limit of reinforcing plate support in the mounting panel, the inboard right angle limit of reinforcing plate with the lateral surface of backup pad is fixed links to each other.

According to the utility model discloses the installing support of module curb plate, the height of reinforcing plate is H1, the height of module curb plate is H2, satisfies: H1/H2 is more than or equal to 0.9 and less than or equal to 1.

The utility model also provides a battery module subassembly.

According to the utility model discloses battery module subassembly is provided with the installing support of the module curb plate of any kind of above-mentioned embodiment, the installing support be two and install respectively in the both sides of battery module.

The advantages of the battery module assembly and the mounting bracket of the module side plate are the same compared with the prior art, and are not described again.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an assembly view (isometric view) of a mounting bracket of a module side plate and a battery module according to an embodiment of the present invention;

fig. 2 is an assembly view (top view) of a mounting bracket of a module side plate and a battery module according to an embodiment of the present invention;

fig. 3 is an assembly view (side view) of a mounting bracket of a module side plate and a battery module according to an embodiment of the present invention.

Reference numerals:

a mounting bracket 100 for a side plate of a module,

the supporting plate 1 is connected with the flanging 11,

a mounting plate 2, a mounting hole 21, a straight plate portion 22, a semicircular plate portion 23, a reinforcing plate 3,

the battery module 101.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A mounting bracket 100 for a module side panel according to an embodiment of the present invention is described below with reference to fig. 1-3.

As shown in fig. 1, the utility model discloses a mounting bracket 100 of module curb plate includes: a support plate 1 and a mounting plate 2.

What need explain is that, battery module 101 lasts exothermic at the charge-discharge in-process, because electric core design reason, when electric core temperature risees, the expanded degree of electric core terminal surface is greater than the expanded degree of electric core side, causes battery module 101 whole great at length direction deformation, at the circulation in-process of electric core intensification cooling, and electric core is followed length direction circulation and is zoomed.

The support plate 1 is connected with a module side plate of the battery module 101, and the support plate 1 is used to support an outer side surface of the module side plate. Wherein, the medial surface through setting up backup pad 1 is the same with the lateral surface size of module curb plate or close for the lateral surface of backup pad 1 and module curb plate has sufficient area of connection, with the connection stability who improves backup pad 1. It should be noted that the supporting plate 1 may be fixed at the outer side surface of the module side plate by welding to ensure the connection stability with the battery module 101, so that the supporting plate 1 can effectively support the battery module 101 from the outer side surface by connecting the supporting plate 1 at the module side plate of the battery module 101.

Mounting panel 2 links to each other with backup pad 1, and mounting panel 2 has the fixed mounting position, and is connected with reinforcing plate 3 between mounting panel 2 and the backup pad 1. It should be noted that the supporting plate 1, the mounting plate 2 and the reinforcing plate 3 may be formed by casting aluminum or extrusion in one step, and are connected to the inner wall of the battery pack through a fixing and mounting position, so as to fix the mounting plate 2 in the battery pack, and to connect and fix the supporting plate 1 to the outer side surface of the module side plate, so as to fix the battery module 101 in the battery pack, wherein the fixing and mounting position may be connected to the bottom plate of the battery pack, or connected to the mounting beam of the bottom plate, or connected to the side wall of the battery pack. Meanwhile, the reinforcing plate 3 is arranged between the mounting plate 2 and the support plate 1, so that the mounting plate 2 and the support plate 1 are prevented from being seriously deformed when the battery expands, and the fixing effect of the mounting bracket 100 on the battery module 101 is ensured.

In the concrete execution process, earlier with backup pad 1 welding in battery module 101's lateral surface position department for installing support 100 can be installed along with battery module 101, in order to reduce the complexity of installation, is connected to the inner wall department of battery package through the fixed mounting position with the mounting panel 2 in the battery module 101 outside, can install battery module 101 to the battery package in, need not set up installation auxiliary structure in the battery package, has realized that the holistic weight of battery package subtracts reduces the cost. Through installing battery module 101 from the lateral surface, guaranteed that battery module 101 can follow the normal scaling of length direction, do not produce the inhibitory action to electric core circulation inflation, do benefit to the life's of electric core extension.

Wherein the lower side of the lateral surface of mounting panel 2 and backup pad 1 is fixed continuous, that is to say, through the structure setting in this application, can link to each other mounting panel 2 with the lower position of the lateral surface of backup pad 1, as shown in fig. 1 and fig. 3, mounting panel 2 links to each other with the outside of the lower side of backup pad 1, thus, can make mounting panel 2 and battery package's hookup location's height lower, thereby make mounting panel 2's mounting plane can with the inner wall direct contact of battery package, avoid the mounting height too high, reduce the setting of other connection structure between the inner wall of installing support 100 and battery package, thereby promote whole package erection beam height lifting cost and quality, reach and fall this purpose promotion energy density who subtracts heavy.

The utility model discloses installing support 100 of module curb plate, backup pad 1 is connected with the module curb plate of battery module 101, and link to each other the inner wall of mounting panel 2 directness and battery package through the fixed mounting position, make backup pad 1 and mounting panel 2 link to each other and be equipped with reinforcing plate 3, thereby with battery module 101 snap-on the inner wall of battery package, the processing cost is reduced, the module global rigidity has been improved, reduce vibration process mounting point fracture risk and module circulation expansion in-process electricity core receive crowded deformation too big problem, extension module electricity core circulation life.

In some embodiments, the mounting plate 2 is plural, and the plural mounting plates 2 are arranged at intervals on the outer side surface of the support plate 1. That is to say, as shown in fig. 1, the lateral surface interval of backup pad 1 is equipped with five mounting panels 2, five mounting panels 2 are suitable for respectively with the bottom plate of battery package continuous, when battery module 101 thermal expansion acted on backup pad 1, or when the vehicle variable speed led to battery module 101 to act on backup pad 1, five mounting panels 2 acted on backup pad 1 jointly to with the impact force dispersion conduction that backup pad 1 received to the bottom plate of battery package, avoid the too big condition of single mounting panel 2 atress, guaranteed the connection stability of installing support 100, improved the installation stability of battery module 101.

In some embodiments, the fixing and mounting position includes a mounting hole 21 formed in the mounting plate 2, the mounting hole 21 is used for being detachably connected to the bottom plate of the battery pack through a connector, and the mounting plate 2 is provided with reinforcing ribs on both sides of the mounting hole 21 for being connected to the supporting plate 1.

That is, as shown in fig. 2, the mounting plate 2 is provided with a through hole penetrating in the thickness direction (the up-down direction in fig. 1), an opening which is opened upward is correspondingly formed on the bottom plate of the battery pack, and the connecting member is adapted to penetrate through the through hole and extend into the opening of the bottom plate to fix the mounting plate 2 on the bottom plate of the battery pack through the fixing and mounting position, thereby fixing the battery module 101 in the battery pack. Wherein, through set up the strengthening rib in the both sides of mounting hole 21 to when mounting hole 21 atress, avoided the local deformation that unilateral resistance to deformation intensity is not enough leads to.

In some embodiments, as shown in fig. 1, the mounting plate 2 comprises a straight plate portion 22 and a semi-circular plate portion 23, the straight plate portion 22 is connected with the support plate 1, the semi-circular plate portion 23 is connected with an end of the straight plate portion 22 facing away from the support plate 1, and the mounting hole 21 is located at a connection position of the straight plate portion 22 and the semi-circular plate portion 23.

As shown in fig. 2, the length of the reinforcing plate 3 (along the vertical direction in fig. 2) is equal to the length of the straight plate part 22, so that the length of the reinforcing plate 3 is ensured to meet the structural strength requirement, and the length of the straight plate part 22 of the mounting plate 2 is reduced, so that the space required by mounting the mounting plate 2 is reduced, and the utilization rate of the space in the battery pack is improved. The semicircular plate is connected to the outer side of the mounting plate 2, so that the mounting plate 2 is prevented from scratching operators and other parts in the mounting and using processes, and the service lives of the other parts are prolonged.

In some embodiments, the center of the circle of the mounting hole 21 coincides with the center of the circle of the semicircular plate portion 23, so that the difficulty in positioning the center of the circle of the mounting hole 21 is greatly reduced, the center of the circle of the mounting hole 21 is easily and quickly positioned, and the mounting accuracy of the battery module 101 is further ensured.

In some embodiments, the two reinforcing plates 3 corresponding to each mounting plate 2 are symmetrically disposed on both sides of the mounting hole 21. As shown in fig. 2, the two reinforcing plates 3 are symmetrically arranged on two sides of the mounting hole 21 and arranged on the outermost sides of the left and right sides of the mounting plate 2, so that structural strength of two sides of the mounting hole 21 is equal, local deformation caused by too low strength of one side is avoided, and the overall deformation resistance of the mounting bracket 100 is improved.

In some embodiments, as shown in fig. 1, the support plate 1 is provided with connecting flanges 11 at two ends thereof, and the two connecting flanges 11 of the support plate 1 respectively press against the two module end plates of the battery module 101. That is to say, through set up in backup pad 1 both sides and connect turn-ups 11 to make and connect turn-ups 11 laminating and connect in module end plate department, improved the connection area of backup pad 1 and battery module 101, thereby improved the joint strength of backup pad 1 and battery module 101, and backup pad 1 is equipped with the chamfer with the junction of connecting turn-ups 11, in order to reduce the stress concentration of backup pad 1, and make the chamfer of junction laminating battery module 101, in order to further improve the joint strength of backup pad 1 and battery module 101.

In some embodiments, as shown in fig. 3, the reinforcing plate 3 is configured as a triangular plate, and the lower square of the reinforcing plate 3 is supported on the mounting plate 2, and the inner square of the reinforcing plate 3 is fixedly connected with the outer side of the support plate 1. Wherein, through being the triangle-shaped board with the strengthening rib structure for installing support 100 is whole more stable and difficult emergence is out of shape, and when the module experienced impact and vibration operating mode, the difficult emergence of module mounted position is out of shape the fracture, has improved battery module 101's installation stability.

In some embodiments, the height of the stiffener 3 is H1, and the height of the module side panel is H2, satisfying: H1/H2 is more than or equal to 0.9 and less than or equal to 1. That is to say, the ratio H1/H2 of the height H1 of the reinforcing plate 3 to the height H2 of the module side plate can be taken as 0.92, or the ratio H1/H2 of the height H1 of the reinforcing plate 3 to the height H2 of the module side plate can be taken as 0.98, so that the local deformation degree of the supporting plate 1 is kept consistent in the cell expansion process, stress concentration is avoided, and the influence on the life health of the cell is avoided.

The utility model also provides a battery module subassembly.

According to the utility model discloses battery module subassembly sets up the installing support 100 of the module curb plate of any above-mentioned embodiment, and installing support 100 is two and installs respectively in the both sides of battery module 101. Backup pad 1 is connected with the module curb plate of battery module 101, and link to each other the inner wall of mounting panel 2 directness and battery package through the fixed mounting position, make backup pad 1 and mounting panel 2 link to each other and be equipped with reinforcing plate 3, thereby with battery module 101 snap-on the inner wall of battery package, the processing cost is reduced, module global rigidity has been improved, reduce vibration process mounting point fracture risk and module circulation inflation in-process electricity core and receive crowded too big problem of deformation, extension module electricity core cycle life. Simultaneously, the mounting supports 100 are mounted on two sides of the battery module 101, so that the mounting stability of the battery module 101 is improved, the battery module 101 can be normally zoomed along the length direction, the inhibition effect on the circular expansion of the battery core is avoided, the service life of the battery core is prolonged, and the brand image of a vehicle is improved.

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 based on the orientation or positional relationship shown in 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.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "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 invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A mounting bracket (100) for a module side panel, comprising:

the battery module comprises a supporting plate (1), wherein the supporting plate (1) is connected with a module side plate of a battery module (101), and the supporting plate (1) is used for supporting the outer side surface of the module side plate;

the mounting plate (2) is connected with the supporting plate (1), the mounting plate (2) is provided with a fixed mounting position, and a reinforcing plate (3) is connected between the mounting plate (2) and the supporting plate (1); wherein,

the mounting plate (2) is fixedly connected with the lower side edge of the outer side surface of the support plate (1).

2. The mounting bracket (100) of a side plate of a module according to claim 1, characterized in that the mounting plate (2) is plural, and the plural mounting plates (2) are arranged at intervals on the outer side surface of the support plate (1).

3. The mounting bracket (100) for the side plate of the module according to claim 1 or 2, wherein the fixing and mounting position comprises a mounting hole (21) formed in the mounting plate (2), the mounting hole (21) is used for being detachably connected with the bottom plate of the battery pack through a connector, and reinforcing ribs are arranged on two sides of the mounting hole (21) of the mounting plate (2) and used for being connected with the support plate (1).

4. The mounting bracket (100) of a side plate of a module according to claim 3, characterized in that the mounting plate (2) comprises a straight plate part (22) and a semi-circular plate part (23), the straight plate part (22) being connected to the support plate (1) and the semi-circular plate part (23) being connected to the end of the straight plate part (22) facing away from the support plate (1), the mounting hole (21) being located at the junction of the straight plate part (22) and the semi-circular plate part (23).

5. The mounting bracket (100) of a side plate of a module according to claim 4, characterized in that the center of the mounting hole (21) coincides with the center of the semicircular plate part (23).

6. The mounting bracket (100) for the side plate of the module according to claim 4, wherein the two reinforcing plates (3) corresponding to each mounting plate (2) are symmetrically arranged on both sides of the mounting hole (21).

7. The mounting bracket (100) for the module side plate according to claim 1, wherein the two ends of the support plate (1) are provided with connecting flanges (11), and the two connecting flanges (11) of the support plate (1) respectively press against the two module end plates of the battery module (101).

8. The mounting bracket (100) for a side panel of a module according to claim 1, characterized in that the reinforcement plate (3) is configured as a triangular plate and the lower cathetus of the reinforcement plate (3) is supported to the mounting plate (2), the inner cathetus of the reinforcement plate (3) being fixedly connected to the outer side of the support plate (1).

9. Mounting bracket (100) of a module side panel according to claim 1, characterized in that the height of the reinforcement panel (3) is H1 and the height of the module side panel is H2, satisfying: H1/H2 is more than or equal to 0.9 and less than or equal to 1.

10. A battery module assembly, comprising: a battery module (101) and a mounting bracket (100) of a module side plate of any one of claims 1 to 9, the mounting brackets (100) being two and respectively mounted to both sides of the battery module (101).