Vehicle power battery module support and end plate

Abstract

The utility model discloses a power battery module bracket and an end plate for a vehicle, and relates to the technical field of power battery modules. Comprising a battery cell; the outer walls of the upper supporting structure and the lower supporting structure are fixedly connected with the outer wall of the battery cell; the outer wall of the end supporting structure is fixedly connected with the outer wall of the upper supporting structure; the upper supporting structure comprises an upper bracket, first mounting grooves, first stabilizing holes and second stabilizing holes are formed in the outer wall of the upper bracket, the outer walls of the first mounting grooves are fixedly connected with the outer walls of the battery cells, and a gap is formed between the first mounting grooves; the upper supporting structure and the lower supporting structure are tightly attached to the outer wall of the battery cell by means of the first mounting groove and the second mounting groove which are specially designed, the battery cell is firmly locked from the upper direction and the lower direction, the battery cell is prevented from loosening, and the situation that the battery is on fire in the using process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to power battery module technical field, concretely relates to a power battery module support and end plate for vehicle. BACKGROUND

[0002] With the development of domestic new energy industry, domestic various industries battery all transform to new energy. The first new energy conversion includes commercial vehicle, passenger car, special vehicle among logistics vehicle etc., and the application scene of lithium battery is more and more extensive, and in the design of lithium battery pack, square battery is more and more widely used because of its high safety performance and low cost of auxiliary material of group BOM, and the traditional module composition mode is applied to the car, and once the use environment becomes deteriorated, the use burden of module is increased, and the module is prone to looseness, cell leakage, welding point drop, short circuit, fire and other conditions in the battery box, so that the battery pack produces great risk, and it is very important to avoid. In view of the above, in order to solve the above problems, improve the safety of power battery module for vehicle, reduce the loss, the utility model emerges as the times require. UTILITY MODEL CONTENT

[0003] In view of the defects of the prior art, the utility model solves technical problems by adopting the following technical scheme: a power battery module support and end plate for vehicle, comprising: an electric core, the electric core is the basic unit of power battery module for storing electric energy; upper support structure and lower support structure, the outer wall of the upper support structure and the lower support structure is fixedly connected with the outer wall of the electric core, and the upper support structure and the lower support structure fix the electric core by the way of compression fixation; end support structure, the outer wall of the end support structure is fixedly connected with the outer wall of the upper support structure, and the end support structure provides support for the upper support structure and the lower support structure by the way of bolt fixation; the upper support structure comprises an upper support, the outer wall of the upper support is provided with a first installation slot, a first stabilizing hole and a second stabilizing hole, the outer wall of the first installation slot is fixedly connected with the outer wall of the electric core, and there is a spacing between the first installation slots.

[0004] Preferably, the end support structure comprises an end support plate, the outer wall of the end support plate is provided with a first fixing hole and a second fixing hole, and the outer wall of the end support plate is fixedly connected with a wire tie buckle.

[0005] Preferably, the outer wall of the first fixing hole is fixedly connected with the outer wall of the second stabilizing hole through a bolt, and the second fixing hole is fixed on the automobile through a bolt.

[0006] Preferably, the lower support structure comprises a lower support, and the outer wall of the lower support is provided with a second installation slot, a first installation hole and a second installation hole.

[0007] Preferably, the outer wall of the second mounting slot is fixedly connected with the outer wall of the battery cell, and the outer wall of the second mounting hole is fixedly connected with the outer wall of the first fixing hole through a bolt.

[0008] Preferably, the outer wall of the first mounting hole is fixedly connected with the outer wall of the first stabilizing hole through a bolt, there is a spacing between the second mounting slots, the upper support and the lower support are made of ABS+PC material, and the end support plate is made of Q235B material.

[0009] The beneficial effects of the utility model are as follows:

[0010] 1. The upper support structure and the lower support structure of the utility model are tightly attached to the outer wall of the battery cell through the specially designed first mounting slot and the second mounting slot, firmly lock the battery cell from the upper and lower directions, prevent the battery cell from loosening and shifting, the end support structure passes through the first fixing hole and the second fixing hole on the end plate, and the stabilizing hole and the mounting hole corresponding to the upper support and the lower support, and realizes omnibearing connection and fastening through a bolt, the multi-point and multi-directional connection makes the upper support, the lower support and the end plate form a stable integral frame, which is used for avoiding the loosening of the module in the battery box, the leakage of the battery cell, the falling of the welding point, the short circuit and the fire, and improving the safety of the whole system.

[0011] 2. The module support and the end plate suitable for the square battery of the utility model are matched with the safety advantages, the reasonable structure design is utilized, the frequent maintenance and the replacement cost caused by the battery module failure and damage are reduced, the end plate is formed through cutting, stamping and burr processing, the support is formed through a mold, the forming process is simple and reliable, the cost is relatively low, the module forming process is simple and fast, and the labor cost is greatly saved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic view of the utility model;

[0013] Figure 2 is a structural schematic view of the end support structure of the utility model;

[0014] Figure 3 is a structural schematic view of the upper support structure of the utility model;

[0015] Figure 4 is a structural schematic view of the lower support structure of the utility model.

[0016] In the drawing: 1, battery cell; 2, end support structure; 3, upper support structure; 4, lower support structure; 21, end support plate; 22, first fixing hole; 23, wire tie buckle; 24, second fixing hole; 31, upper support; 32, first mounting slot; 33, first stabilizing hole; 34, second stabilizing hole; 41, lower support; 42, second mounting slot; 43, first mounting hole; 44, second mounting hole. DETAILED DESCRIPTION

[0017] The embodiments of the present application are presented by way of example and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for specific use cases. EMBODIMENT

[0018] Please refer to Figure 1 - Figure 4 The utility model provides a kind of technical scheme: a kind of power battery module support and end plate for vehicle, it include: electric core 1, electric core 1 is the basic unit of power battery module storage electric energy;Upper support structure 3 and lower support structure 4, the outer wall of upper support structure 3 and lower support structure 4 is fixedly connected with the outer wall of electric core 1, and upper support structure 3 and lower support structure 4 are fixed by the way of compression and fixed to electric core 1;End support structure 2, the outer wall of end support structure 2 is fixedly connected with the outer wall of upper support structure 3, and end support structure 2 provides support for upper support structure 3 and lower support structure 4 by the way of bolt fixed;Upper support structure 3 includes upper support 31, the outer wall of upper support 31 is equipped with first installation slot 32, first stabilizing hole 33 and second stabilizing hole 34, the outer wall of first installation slot 32 is fixedly connected with the outer wall of electric core 1, and there is spacing between first installation slot 32.

[0019] End support structure 2 includes end support plate 21, the outer wall of end support plate 21 is equipped with first fixed hole 22 and second fixed hole 24, and end support plate 21 is fixedly connected with binding post 23 on the outer wall.

[0020] The outer wall of the first fixing hole 22 is fixedly connected with the outer wall of the second stabilizing hole 34 through a bolt, and the second fixing hole 24 is fixed on the automobile through a bolt. The end support structure 2 plays a key supporting and connecting role, and the outer wall of the end support plate 21 is provided with the first fixing hole 22, the second fixing hole 24 and the wire buckle 23. On the one hand, the outer wall of the end support plate 21 is connected with the second stabilizing hole 34 of the upper support 31 through the first fixing hole 22, thereby providing a stable force point for the upper support structure 3. At the same time, the second mounting hole 44 of the lower support 41 is fixedly connected with the first fixing hole 22 of the end support plate 21 through a bolt, and the first mounting hole 43 is connected with the first stabilizing hole 33 of the upper support 31 through a bolt, so that the upper support 31 and the lower support 41 are tightly combined with the end plate, the overall structural strength is strengthened, the wire buckle 23 is convenient for locking and arranging the wire harness, and electrical problems such as short circuit caused by disordered lines are prevented. The second fixing hole 24 at the bottom of the end support plate 21 is used for fixedly connecting the whole module on the automobile, thereby resisting external force impact when the vehicle is running, starting and stopping.

[0021] The lower support structure 4 comprises a lower support 41, and the outer wall of the lower support 41 is provided with a second mounting groove 42, a first mounting hole 43 and a second mounting hole 44.

[0022] The outer wall of the second mounting groove 42 is fixedly connected with the outer wall of the battery cell 1, and the outer wall of the second mounting hole 44 is fixedly connected with the outer wall of the first fixing hole 22 through a bolt.

[0023] The outer wall of the first mounting hole 43 is fixedly connected with the outer wall of the first stabilizing hole 33 through a bolt, and there is a spacing between the second mounting grooves 42. In use, the battery cell 1 is a key unit for storing electric energy and is the energy source of the whole module. The upper support structure 3 and the lower support structure 4 bear the heavy responsibility of fixing the battery cell 1. The upper support 31 of the upper support structure 3 is provided with a first mounting groove 32, a first stabilizing hole 33 and a second stabilizing hole 34, and the lower support 41 of the lower support structure 4 is provided with a second mounting groove 42, a first mounting hole 43 and a second mounting hole 44. In installation, the outer wall of the battery cell 1 is fixedly connected with the first mounting groove 32 of the upper support 31 and the second mounting groove 42 of the lower support 41, respectively. The spacing between the adjacent mounting grooves is reasonably designed, which can not only adapt to the size of the battery cell 1, but also reserve space for subsequent operation. There is a spacing between the mounting grooves, which is beneficial to heat dissipation and structural stability. The battery cell 1 is stably clamped by the upper support structure 3 and the lower support structure 4, the position of the battery cell 1 is stably ensured, and displacement of the battery cell 1 under the working conditions such as vehicle running vibration is avoided.

[0024] Working principle:

[0025] In use, the electric core 1 is the key unit for storing electric energy, and is the energy source of the whole module, the upper support structure 3 and the lower support structure 4 bear the heavy responsibility of fixing the electric core 1, the upper support structure 3 is provided with the first installation groove 32, the first stabilizing hole 33 and the second stabilizing hole 34, the lower support structure 4 is provided with the second installation groove 42, the first installation hole 43 and the second installation hole 44, in installation, the outer wall of the electric core 1 is fixedly connected with the first installation groove 32 of the upper support structure 3 and the second installation groove 42 of the lower support structure 4, the distance between adjacent installation grooves is reasonably designed, which can not only adapt to the size of the electric core 1, but also reserve space for subsequent operation; the distance between the installation grooves is beneficial to heat dissipation and structural stability, the electric core 1 is stably clamped by the upper support structure 3 and the lower support structure 4, the position of the electric core 1 is stable, and displacement of the electric core 1 under the working conditions such as vehicle running vibration is avoided.

[0026] The end support structure 2 plays a key supporting and connecting role, the outer wall of the end support plate 21 is provided with the first fixing hole 22, the second fixing hole 24 and the wire buckle 23, on the one hand, the outer wall of the end support plate 21 is bolted with the second stabilizing hole 34 of the upper support structure 3 through the first fixing hole 22, thereby providing a stable force point for the upper support structure 3; at the same time, the second installation hole 44 of the lower support structure 41 is bolted with the first fixing hole 22 of the end support plate 21, the first installation hole 43 is bolted with the first stabilizing hole 33 of the upper support structure 31, so that the upper support structure 31 and the lower support structure 41 are tightly combined with the end plate, and the overall structural strength is strengthened.

[0027] The wire buckle 23 is convenient for locking and arranging the wire harness, and prevents short circuit and other electrical problems caused by messy lines; the second fixing hole 24 at the bottom of the end support plate 21 is used for firmly fixing the whole module on the automobile, and resisting external force impact when the vehicle is running, starting and stopping.

[0028] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A vehicle power battery module bracket and end plate, characterized in that, include: The battery cell (1) is the basic unit for storing electrical energy in a power battery module; The upper support structure (3) and the lower support structure (4) are fixedly connected to the outer wall of the battery cell (1) by means of pressing and fixing. An end support structure (2) is provided, the outer wall of which is fixedly connected to the outer wall of the upper support structure (3). The end support structure (2) provides support for the upper support structure (3) and the lower support structure (4) by means of bolt fixing. The upper support structure (3) includes an upper bracket (31). The outer wall of the upper bracket (31) is provided with a first mounting groove (32), a first stabilizing hole (33), and a second stabilizing hole (34). The outer wall of the first mounting groove (32) is fixedly connected to the outer wall of the battery cell (1). There is a gap between the first mounting groove (32).

2. The vehicle power battery module bracket and end plate according to claim 1, characterized in that: The end support structure (2) includes an end support plate (21), the outer wall of which is provided with a first fixing hole (22) and a second fixing hole (24), and a wire tie (23) is fixedly connected to the outer wall of the end support plate (21).

3. The vehicle power battery module bracket and end plate according to claim 2, characterized in that: The outer wall of the first fixing hole (22) is fixedly connected to the outer wall of the second stabilizing hole (34) by bolts, and the second fixing hole (24) is fixed to the car by bolts.

4. The vehicle power battery module bracket and end plate according to claim 1, characterized in that: The lower support structure (4) includes a lower bracket (41), and the outer wall of the lower bracket (41) is provided with a second mounting groove (42), a first mounting hole (43) and a second mounting hole (44).

5. The vehicle power battery module bracket and end plate according to claim 4, characterized in that: The outer wall of the second mounting groove (42) is fixedly connected to the outer wall of the battery cell (1), and the outer wall of the second mounting hole (44) is fixedly connected to the outer wall of the first fixing hole (22) by bolts.

6. The vehicle power battery module bracket and end plate according to claim 4, characterized in that: The outer wall of the first mounting hole (43) is fixedly connected to the outer wall of the first stabilizing hole (33) by bolts, and there is a gap between the second mounting grooves (42).

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