CN220456572U

CN220456572U - Power battery module fixing device

Info

Publication number: CN220456572U
Application number: CN202322006694.7U
Authority: CN
Inventors: 张连新; 阎全忠; 江运宝
Original assignee: Shangrao Luoxin Intelligent Technology Co ltd
Current assignee: Shangrao Luoxin Intelligent Technology Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-02-06
Anticipated expiration: 2033-07-28

Abstract

The utility model provides a power battery module fixing device, includes power battery box and the battery module that comprises electric core, tie and module end plate, connects the fixed rib of power battery box inner wall, the surface of fixed rib is connected with the fastening plate through the location cardboard, the module laminating face of fastening plate is laminated with the battery module side and is contacted; the mounting frame is connected to the bottom of the inner cavity of the power battery box body, water cooling plates are arranged on two sides of the inner cavity of the power battery box body, and a cooling contact surface at the top of each water cooling plate is in contact connection with the bottom of the battery module; the top of the mounting frame is connected with a compression assembly, the compression assembly comprises a positioning plugboard, the top end of the positioning plugboard is connected with a positioning compression frame, and the positioning compression frame is compressed on the top of the battery module; a top cover plate movably clamped at the top of the power battery box body; and the bottom frame plate is connected to the bottom of the power battery box body.

Description

Power battery module fixing device

Technical Field

The utility model relates to the technical field of power batteries, in particular to a power battery module fixing device.

Background

In automotive power cell systems, the power cell pack is a critical component. The primary aim of the power battery for the new energy automobile is to be safe and reliable besides pursuing performance indexes such as energy density. With the development of technology, more and more modules are applied in a binding mode, especially, the soft package power battery is inflated in the process of charging and discharging, and the position of a fastener is affected by the change of the size of the battery core. In addition to the gap size when the case is taken into consideration, the dimensional deviation caused by the cell size bulge is also considered to be limited. Therefore, we need to propose a power battery module fixing device.

Disclosure of Invention

The utility model aims to provide a power battery module fixing device, which is used for solving the problem that the prior art is expanded in the using process and the position of a fastener is affected by the change of the size of a battery core.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

Preferably, the compressing assembly further comprises: the limiting baffle plate is connected to the surface of the positioning plugboard, and the limiting clamping blocks are connected to the bottoms of the two ends of the positioning pressing frame; the limiting clamping blocks are movably clamped at the top of the battery module through the positioning pressing frames, fixing holes are formed in the surfaces of the limiting baffle plates, and the surface of the positioning pressing frames is provided with a fan unit.

Preferably, the top of the installation frame is provided with an installation slot, the bottom of the positioning plugboard is movably spliced in the installation slot, and the bottom of the limiting baffle is connected to the top of the installation slot through the positioning plugboard.

Preferably, the both ends of installing frame are provided with the stopper and connect in the inner chamber bottom of power battery box, the top of stopper is provided with the constant head tank.

Preferably, the bottom fixedly connected with spacing kelly of lamina tecti, the bottom activity of spacing kelly is pegged graft in the inside of constant head tank.

Preferably, the four corners of the inner cavity of the power battery box body are connected with fixing columns, and the two sides of the bottom of the top cover plate, which are positioned on the limiting clamping rods, are connected with connecting columns.

Preferably, the bottom of spliced pole is connected with the dead lever, the activity of the bottom of dead lever clamps inside the fixed column.

Preferably, an assembly clamping groove is formed in the bottom of the inner cavity of the power battery box body, a partition plate is connected to the inner wall of the assembly clamping groove, and the water cooling plate is assembled in the assembly clamping groove.

Preferably, the bottom of the water cooling plate is provided with a water cooling circulating pipe, and the water cooling circulating pipe is connected inside the bottom frame plate through an assembly clamping groove.

Preferably, the locating clamping plate is connected to the box body attaching face of the fastening plate, the box body attaching face is attached to the inner wall of the power battery box body, and the surface of the locating clamping plate is provided with the mounting hole.

The utility model has the technical effects and advantages that: compared with the prior art, the power battery module fixing device provided by the utility model has the following advantages:

1. through the arrangement of the partition plate, the fixing ribs, the fastening plate and the water cooling plate structure, the module attaching surface on one side of the fastening plate is firmly attached to the battery module, the positioning clamping plate on the attaching surface of the box body is matched with the fixing ribs on the inner wall of the power battery box body, the gap can be adjusted, the module is assembled after being put into the box, and the module can be compressed and limited, so that the dimensional deviation caused by the expansion of the battery cell is prevented; the water cooling plate can be carried through the partition plate, so that the cooling contact surface of the water cooling plate can cool the battery module;

2. through lamina tecti, installing frame and the setting that compresses tightly the subassembly structure, through the location picture peg of location press frame bottom, with the inside installation slot cooperation cartridge of installing frame, can compress tightly the location to battery module to can assemble the locating picture peg inside the power battery box through limit baffle, the inside fan group of frame is pressed in the cooperation location, can play the radiating effect of blowing to battery module, through spacing clamping lever and dead lever, can compress tightly fixedly to the location press frame, strengthen the fixed effect to battery module.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a power cell case of the present utility model;

FIG. 3 is a schematic view of a positioning board according to the present utility model;

FIG. 4 is a schematic view of a modular endplate according to the present utility model;

FIG. 5 is a schematic view of a positioning card according to the present utility model;

FIG. 6 is a schematic view of a fastening plate structure according to the present utility model:

FIG. 7 is a schematic view of a water-cooled plate structure according to the present utility model;

fig. 8 is a schematic view of the top cover plate of the present utility model.

In the figure: 1. a power battery box; 2. a bottom frame plate; 3. a top cover plate; 4. a partition plate; 5. assembling a clamping groove; 6. a fixing rib; 7. positioning holes; 8. a limiting block; 9. a positioning groove; 10. a mounting frame; 11. installing a slot; 12. fixing the column; 13. positioning and pressing a frame; 14. positioning the plugboard; 15. a limit baffle; 16. a fixing hole; 17. a limit clamping block; 18. a fan group; 19. a battery cell; 20. binding bands; 21. a module end plate; 22. a fastening plate; 23. positioning a clamping plate; 24. a mounting hole; 25. a water cooling plate; 26. cooling the contact surface; 27. a water-cooling circulation pipe; 28. a limit clamping rod; 29. a connecting column; 30. a fixed rod; 221. a module bonding surface; 222. and (3) a box body bonding surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that in embodiments of the present utility model, all directional indications (such as up, down, left, right, front, back … …) are provided. Only for explaining the relative positional relationship, movement, etc. between the components in a particular pose (as shown in the drawings), if the particular pose changes, the directional indication changes accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a power battery module fixing device as shown in figures 1-8, which comprises a power battery box body 1 and a battery module consisting of an electric core 19, a binding belt 20 and a module end plate 21, wherein a fixing rib 6 is connected to the inner wall of the power battery box body 1, the surface of the fixing rib 6 is connected with a fastening plate 22 through a positioning clamping plate 23, and a module attaching surface 221 of the fastening plate 22 is attached to the side surface of the battery module; the mounting frame 10 is connected to the bottom of the inner cavity of the power battery box body 1, water cooling plates 25 are arranged on two sides of the inner cavity of the power battery box body 1, and a cooling contact surface 26 at the top of the water cooling plates 25 is in contact connection with the bottom of the battery module; the top of the mounting frame 10 is connected with a compression assembly, the compression assembly comprises a positioning plugboard 14, the top end of the positioning plugboard 14 is connected with a positioning compression frame 13, and the positioning compression frame 13 is compressed on the top of the battery module; a top cover plate 3 movably clamped at the top of the power battery box body 1; and a bottom frame plate 2 connected to the bottom of the power battery box body 1.

It is to be noted that the top cover plate 3, the partition plate 4, the fixing rib 6, the mounting frame 10, the fastening plate 22, the water cooling plate 25 and the compacting component are matched; the battery module fixing device can meet the gap requirement of the battery module during box entering, can limit the position of the module after box entering, prevent the dimension deviation caused by the swelling of the battery core, strengthen the fixing effect on the battery module, and simultaneously can radiate and cool the battery module.

The compression assembly further includes: the limiting baffle 15 is connected to the surface of the positioning plugboard 14, and the limiting clamping blocks 17 are connected to the bottoms of the two ends of the positioning pressing frame 13; the limiting clamping block 17 is movably clamped at the top of the battery module through the positioning pressing frame 13, the surface of the limiting baffle 15 is provided with a fixing hole 16, and the surface of the positioning pressing frame 13 is provided with a fan unit 18. The top of the installation frame 10 is provided with an installation slot 11, the bottom of the positioning plugboard 14 is movably spliced in the installation slot 11, and the bottom of the limiting baffle 15 is connected to the top of the installation slot 11 through the positioning plugboard 14. Through installing the fan group 18 on location press frame 13, can be after the battery module is fixed, blow the cooling to it, guarantee the effect that the battery module used. The limit clamping blocks 17 are matched and clamped with the inner wall of the power battery box body 1, so that the stable structure of the battery module assembly can be improved.

Specifically, the positioning plugboard 14 is a structure for connecting and fixing the positioning pressing frame 13, the positioning pressing frame 13 is a component for compressing and limiting the battery module, the effect of fixing the battery module is improved, the limiting clamping block 17 is a structure for fixing the positioning pressing frame 13 in an auxiliary manner, the limiting baffle 15 is a structure for limiting after the positioning plugboard 14 is installed in the installation slot 11, the fixing hole 16 is a structure for installing the limiting baffle 15 on the installation frame 10, and the stabilizing effect is improved.

The both ends of installing frame 10 are provided with stopper 8 and connect in the inner chamber bottom of power battery box 1, and the top of stopper 8 is provided with constant head tank 9. The bottom of the top cover plate 3 is fixedly connected with a limit clamping rod 28, and the bottom end of the limit clamping rod 28 is movably inserted into the positioning groove 9. The stopper 8 is the spacing structure of lamina tecti 3 to play the structure of joint to the spacing bayonet catch 28 of lamina tecti 3 bottom, be the structure that fixes the battery module through lamina tecti 3, guarantee stable effect, constant head tank 9 is the structure that cooperates spacing bayonet catch 28 to fix a position lamina tecti 3.

Wherein, the inner chamber four corners of power battery box 1 is connected with fixed column 12, and the bottom of lamina tecti 3 is located the both sides of spacing clamping rod 28 and is connected with spliced pole 29. The bottom of the connecting column 29 is connected with a fixed rod 30, and the bottom end of the fixed rod 30 is movably clamped inside the fixed column 12. The fixing column 12 is a structure in which a fixing rod 30 at the bottom of a connecting column 29 is engaged with each other, and fixes the position of the top cover 3, thereby achieving a reinforcing effect, and the connecting column 29 is a structure in which the fixing rod 30 is connected to the top cover 3. The top cover plate 3 can be locked and fixed through the fixing column 12, and the battery module consisting of the battery core 19, the binding belt 20 and the module end plate 21 is reinforced and fixed.

An assembly clamping groove 5 is formed in the bottom of the inner cavity of the power battery box body 1, a partition plate 4 is connected to the inner wall of the assembly clamping groove 5, and a water cooling plate 25 is assembled in the assembly clamping groove 5. The bottom of the water-cooling plate 25 is provided with a water-cooling circulation pipe 27, and the water-cooling circulation pipe 27 is connected inside the bottom frame plate 2 through the assembly clamping groove 5.

Further, the assembly clamping groove 5 is a structure for assembling the water cooling plate 25, the partition plate 4 is used for bearing the water cooling plate 25, the battery module is cooled, the water cooling circulation pipe 27 is a structure for externally connecting heat dissipation and cooling equipment of the battery module, the bottom frame plate 2 is a structure for connecting and bearing the power battery box body 1, and the surface of the fixing rib 6 is provided with the positioning holes 7 matched with the mounting holes 24.

In addition, the locating clamping plate 23 is connected to the box body attaching face 222 of the fastening plate 22, the box body attaching face 222 is attached to the inner wall of the power battery box body 1, and the surface of the locating clamping plate 23 is provided with the mounting hole 24. The fastening plate 22 is a structure for limiting and assembling the battery module, so that the battery module is guaranteed to be installed in the power battery box 1, the box fitting surface 222 and the positioning clamping plate 23 are located on the same surface of the fastening plate 22, the box fitting surface 222 is lower than the positioning clamping plate 23, the box fitting surface 222 is an inclined surface, and the gap can be adjusted when the size of the battery cell is expanded to generate size deviation.

The module attaching surface 221 on one side of the fastening plate 22 is firmly attached to the battery module, the positioning clamping plate 23 of the box attaching surface 222 is matched with the fixing rib 6 on the inner wall of the power battery box 1, the gap can be adjusted, the module is assembled after being put into the box, and the module can be pressed and limited, so that the dimensional deviation caused by the swelling of the battery cells can be prevented; the water cooling plate 25 can be carried by the partition plate 4, so that the cooling contact surface 26 of the water cooling plate 25 can cool down and cool down the battery module.

Through the location picture peg 14 of the frame 13 bottom is pressed in the location, with the inside installation slot 11 cooperation cartridge of installing frame 10, can compress tightly the location to battery module to can assemble the location picture peg 14 inside power battery box 1 through limit baffle 15, the inside fan group 18 of frame 13 is pressed in the cooperation location, can play the radiating effect of blowing to battery module, through spacing clamping lever 28 and dead lever 30, can compress tightly fixedly to location frame 13, strengthen the fixed effect to battery module.

Placing the battery module into the power battery box body 1 according to the appointed direction and position, installing the fastening plate 22 into a gap between the battery module and the power battery box body 1, attaching the module attaching surface 221 to the battery module, attaching the box attaching surface 222 of the fastening plate 22 to the box body, and sleeving the bolt into the installation hole 24; after the fastening plate 22 on one side is pre-fastened, the fastening plate 22 on the other side is pre-fastened, finally all bolts on the fastening plate 22 are fastened by torsion, the fastening of the X/Y direction of the module is completed, and finally the Z position of the module can be fastened after the positioning press frame 13 and the top cover plate 3 are installed in place.

Finally, it should be noted that: it will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

The foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a power battery module fixing device, includes power battery box (1) and comprises electric core (19), binding area (20) and module end plate (21) battery module, its characterized in that:

the fixing rib (6) is connected to the inner wall of the power battery box body (1), the surface of the fixing rib (6) is connected with the fastening plate (22) through the locating clamping plate (23), and the module attaching surface (221) of the fastening plate (22) is attached to and contacted with the side surface of the battery module;

the power battery box comprises a power battery box body (1) and a mounting frame (10) connected to the bottom of an inner cavity of the power battery box body (1), wherein water cooling plates (25) are arranged on two sides of the inner cavity of the power battery box body (1) positioned on the mounting frame (10), and a cooling contact surface (26) at the top of each water cooling plate (25) is in contact connection with the bottom of a battery module;

the top of the mounting frame (10) is connected with a compression assembly, the compression assembly comprises a positioning plugboard (14), the top end of the positioning plugboard (14) is connected with a positioning compression frame (13), and the positioning compression frame (13) is compressed on the top of the battery module;

a top cover plate (3) movably clamped at the top of the power battery box body (1); and

And a bottom frame plate (2) connected to the bottom of the power battery box body (1).

2. The power battery module fixing device according to claim 1, wherein: the compression assembly further includes:

limit baffle (15) connected to the surface of the positioning plugboard (14), and

limiting clamping blocks (17) connected to bottoms of two ends of the positioning press frame (13);

the limiting clamping blocks (17) are movably clamped at the top of the battery module through the positioning pressing frame (13), fixing holes (16) are formed in the surface of the limiting baffle (15), and a fan unit (18) is mounted on the surface of the positioning pressing frame (13).

3. The power battery module fixing device according to claim 2, wherein: the top of the mounting frame (10) is provided with a mounting slot (11), the bottom of the positioning plugboard (14) is movably spliced in the mounting slot (11), and the bottom of the limiting baffle (15) is connected to the top of the mounting slot (11) through the positioning plugboard (14).

4. The power battery module fixing device according to claim 1, wherein: the two ends of the mounting frame (10) are provided with limiting blocks (8) which are connected to the bottom of the inner cavity of the power battery box body (1), and the top ends of the limiting blocks (8) are provided with positioning grooves (9).

5. The power battery module fixing device according to claim 4, wherein: the bottom of lamina tecti (3) is fixedly connected with spacing kelly (28), the bottom activity of spacing kelly (28) is pegged graft in the inside of constant head tank (9).

6. The power battery module fixing device according to claim 1, wherein: fixing columns (12) are connected to four corners of an inner cavity of the power battery box body (1), and connecting columns (29) are connected to two sides, located at the bottom of the top cover plate (3), of the limiting clamping rod (28).

7. The power battery module fixing device according to claim 6, wherein: the bottom of spliced pole (29) is connected with dead lever (30), the activity of bottom of dead lever (30) is blocked and is adorned in fixed column (12) inside.

8. The power battery module fixing device according to claim 1, wherein: the power battery box is characterized in that an assembly clamping groove (5) is formed in the bottom of an inner cavity of the power battery box body (1), a partition plate (4) is connected to the inner wall of the assembly clamping groove (5), and a water cooling plate (25) is assembled in the assembly clamping groove (5).

9. The power battery module securing device according to claim 7, characterized in that: the bottom of the water cooling plate (25) is provided with a water cooling circulating pipe (27), and the water cooling circulating pipe (27) is connected inside the bottom frame plate (2) through an assembly clamping groove (5).

10. The power battery module fixing device according to claim 1, wherein: the locating clamping plate (23) is connected to a box body joint surface (222) of the fastening plate (22), the box body joint surface (222) is connected with the inner wall of the power battery box body (1) in a joint mode, and mounting holes (24) are formed in the surface of the locating clamping plate (23).