New energy vehicle power battery pack splicing internal hardware support
By designing the spacing structure and positioning structure on the hardware bracket of the battery pack of the new energy vehicle, the problem of poor heat dissipation between the battery modules is solved, and better air circulation and stability of the battery pack are achieved.
Patent Information
- Application Number
- CN202421271687.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The bonding between battery modules of new energy vehicles leads to poor air circulation and poor heat dissipation, which affects the performance and life of the battery pack.
A new energy vehicle power battery pack splicing internal hardware bracket is designed, adopting a spacing structure and a positioning structure. The wavy plate spacing battery module in the spacing structure is used to realize the positioning and adjustment of the spacing structure through pin rods and balls.
The spacer structure improves the air circulation between the battery modules and improves the heat dissipation effect; the positioning structure facilitates the adjustment of the spacer structure, facilitates the disassembly and assembly of the battery module, and enhances the stability of the combination.
Smart Images

Figure CN222654071U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of new energy vehicles, in particular to an internal hardware bracket for splicing a power battery pack of a new energy vehicle. Background Art
[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid vehicles, fuel cell electric vehicles, and hydrogen engine vehicles.
[0003] The battery pack of an existing new energy electric vehicle is composed of a plurality of battery modules in order to improve the vehicle's mileage. The plurality of battery modules are fixedly mounted on a hardware bracket inside the electric vehicle. However, the plurality of battery modules mounted on the hardware bracket fit closely together, and the battery module itself is also composed of a plurality of single cells. As a result, during the driving of the new energy vehicle, the battery modules fit closely together, resulting in poor air circulation around the battery modules, resulting in poor heat dissipation of the battery modules, thereby affecting the performance and life of the battery pack of the new energy electric vehicle. Utility Model Content
[0004] The purpose of the utility model is to provide a new energy vehicle power battery pack splicing internal hardware bracket that is convenient for dissipating heat from the new energy electric vehicle battery pack, which can solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an internal hardware bracket for splicing a power battery pack of a new energy vehicle, comprising a bracket main body, on which a plurality of battery modules distributed at equal distances are installed, and also comprising a spacing structure for spacing and positioning the plurality of battery modules, the spacing structure being installed on the bracket main body and being located on the outside of the battery module, the spacing structure comprising a corrugated plate, the lower end of the corrugated plate being fixedly connected with a cross beam, the upper end of the corrugated plate being located on both sides of the corrugated plate and fixedly embedded with a baffle 1, and the baffle 1 being welded and fixed to the corrugated plate; a positioning structure for positioning and fixing the spacing structure, the positioning structure being installed on the side of the baffle 1 away from the corrugated plate.
[0006] Preferably, a second baffle is fixedly welded to the outer side of the protruding portion of the wave plate, the cross-section of the wave plate is wavy, and the second baffle is close to the upper end of the wave plate, and the crossbeam is in sliding contact with the bracket body through a movable groove.
[0007] Preferably, the lower end surface of the second baffle plate is movably abutted against the upper end surface of the battery module, and the second baffle plate can prevent the battery module from moving upward. The side of the first baffle plate close to the wave plate is movably abutted against the battery module.
[0008] Preferably, the positioning structure comprises a positioning seat 1 and a positioning seat 2 fixedly connected to the baffle 1, and the positioning seat 1 is located on the upper side of the positioning seat 2.
[0009] Preferably, a pin rod is passed through the interior of the positioning seat 1 and the positioning seat 2, a paddle is fixedly sleeved on the upper end of the pin rod, and the paddle is located on the upper side of the positioning seat 1, so that the positioning seat 2 can prevent the pin rod from bending.
[0010] Preferably, a ball is movably embedded in the lower end of the pin rod, and the connection between the ball and the bracket body is a rolling connection. The ball can reduce the friction between the pin rod and the bracket body, and the pin rod is located between the positioning seat one and the positioning seat two and is fixedly sleeved with a ring on the outside.
[0011] Preferably, the pin rod is located between the ring and the positioning seat one, and is movably sleeved with a spring on the outer side, and the two ends of the spring are movably abutted against the positioning seat one and the ring respectively, the spring can drive the pin rod to move downward, the bracket body and the cross beam are both provided with sockets, and the number of the sockets on the bracket body is multiple, and the pin rod is plugged and unpluggedly connected to the bracket body and the cross beam through the sockets.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The utility model sets up an installation spacing structure, and the corrugated plate in the spacing structure spaces two adjacent battery modules, so that there is a gap between the battery modules, which is conducive to the air circulation around the battery modules, so that the heat dissipation effect of the battery modules is better, and the baffles 1 and 2 in the spacing structure can limit the upper side, front side and rear side of the battery module, which can effectively prevent the battery module from detaching from the bracket body.
[0014] 2. The utility model installs a positioning structure and positions the spacing structure through a pin rod in the positioning structure, so that the spacing structure and the bracket body clamp the battery module. The pin rod in the positioning structure is easy to adjust, thereby facilitating the adjustment of the position of the spacing structure without the aid of tools, making it more convenient and less troublesome to disassemble and assemble the battery module. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is an overall schematic diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of removing the battery module of the utility model;
[0017] Figure 3 This is a schematic diagram of the separation of the spacing structure and the bracket body of the utility model;
[0018] Figure 4 It is a schematic diagram of the split connection of the positioning structure and the spacing structure of the utility model.
[0019] In the figure: 1. bracket body; 2. battery module; 3. spacing structure; 301. corrugated plate; 302. crossbeam; 303. baffle 1; 304. baffle 2; 4. positioning structure; 401. positioning seat 1; 402. positioning seat 2; 403. pin rod; 404. paddle; 405. ball; 406. ring; 407. spring; 5. movable slot; 6. socket. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Embodiment 1
[0022] See also Figure 1 , Figure 2 In the figure, a hardware bracket for splicing an internal power battery pack of a new energy vehicle includes a bracket body 1, on which a plurality of battery modules 2 distributed at equal distances are installed, and also includes a spacing structure 3 for spacing and positioning the plurality of battery modules 2, the spacing structure 3 is installed on the bracket body 1, and is located on the outside of the battery module 2, the spacing structure 3 includes a wave plate 301, the lower end of the wave plate 301 is fixedly connected with a cross beam 302, the upper end of the wave plate 301 is located on both sides of the wave plate 301, and a baffle 1 303 is fixedly embedded, and the baffle 1 303 is welded and fixed to the wave plate 301; a positioning structure 4 is used to position and fix the spacing structure 3, and the positioning structure 4 is installed on the side of the baffle 1 303 away from the wave plate 301.
[0023] See also Figure 3 A baffle plate 2 304 is fixedly welded to the outer side of the protruding portion of the wave plate 301 . The cross-section of the wave plate 301 is in the shape of a wave line, and the baffle plate 2 304 is close to the upper end of the wave plate 301 . The cross beam 302 is in sliding contact with the bracket body 1 through the movable groove 5 .
[0024] Working principle for heat dissipation of battery packs of new energy electric vehicles: multiple battery modules 2 installed on the bracket body 1 are separated by a spacing structure 3, and the wave plate 301 in the spacing structure 3 is located between two adjacent battery modules 2. Due to the special shape of the wave plate 301, only the protruding part of the wave plate 301 is in contact with the battery module 2, and the recessed part of the wave plate 301 leaves a gap between two adjacent battery modules 2, which is beneficial to air circulation around the battery module 2 and facilitates heat dissipation of the battery pack of the new energy electric vehicle.
[0025] Embodiment 2
[0026] See also Figure 4 This embodiment further illustrates the first embodiment. The lower end surface of the second baffle plate 304 is movably abutted against the upper end surface of the battery module 2. The second baffle plate 304 can prevent the battery module 2 from moving upward. The side of the baffle plate 1 303 close to the wave plate 301 is movably abutted against the battery module 2.
[0027] In this embodiment: after multiple battery modules 2 are fixed on the bracket body 1 through the spacing structure 3, the baffle 1 303 and the baffle 2 304 on the spacing structure 3 respectively limit the front and rear sides and the upper side of the battery module 2, which is beneficial to prevent the battery module 2 from detaching from the bracket body 1 during the driving of the new energy vehicle, thereby enhancing the stability of the battery module 2 combination.
[0028] Embodiment 3
[0029] See also Figure 4 This embodiment further illustrates other embodiments, the positioning structure 4 includes a positioning seat 1 401 and a positioning seat 2 402 fixedly connected to the baffle 1 303, and the positioning seat 1 401 is located on the upper side of the positioning seat 2 402, and a pin rod 403 runs through the interior of the positioning seat 1 401 and the positioning seat 2 402, and a paddle 404 is fixedly sleeved on the upper end of the pin rod 403, and the paddle 404 is located on the upper side of the positioning seat 1 401, and the positioning seat 2 402 can prevent the pin rod 403 from bending.
[0030] See also Figure 4A ball 405 is movably embedded in the lower end of the pin rod 403, and the connection between the ball 405 and the bracket body 1 is a rolling connection. The ball 405 can reduce the friction between the pin rod 403 and the bracket body 1. The pin rod 403 is located between the positioning seat 1 401 and the positioning seat 2 402 and is fixedly sleeved with a ring 406 on the outside. The pin rod 403 is located between the ring 406 and the positioning seat 1 401 and is movably sleeved with a spring 407 on the outside, and the two ends of the spring 407 are movably abutted against the positioning seat 1 401 and the ring 406 respectively. The spring 407 can drive the pin rod 403 to move downward. The bracket body 1 and the crossbeam 302 are both provided with a socket 6, and the number of the sockets on the bracket body 1 is multiple. The pin rod 403 is connected to the bracket body 1 and the crossbeam 302 through the socket 6.
[0031] In this embodiment: when disassembling and assembling the battery module 2, the personnel lift the pin rod 403 through the paddle 404 to disengage the pin rod 403 from the socket 6 on the bracket body 1, and then move the wave plate 301 to increase the distance between the two wave plates 301. At this time, the battery module 2 on the bracket body 1 can be easily disassembled and assembled. When positioning the battery module 2 through the spacing structure 3, the personnel move the wave plate 301. At this time, the pin rod 403 moves on the bracket body 1 through the ball 405. When the pin rod 403 moves to the corresponding socket 6, the pin rod 403 will be inserted into the bracket body 1 and the cross beam 302 under the drive of the spring 407 to position the spacing structure 3. The pin rod 403 in the positioning structure 4 is easy to adjust, so as to facilitate the adjustment of the position of the spacing structure 3 without the aid of tools, making it more convenient and trouble-free when disassembling and assembling the battery module 2.
[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A new energy vehicle power battery pack splicing internal hardware bracket, comprising a bracket body (1), on which a plurality of battery modules (2) distributed at equal distances are mounted, characterized in that: Also includes: A spacing structure (3) for spacing and positioning a plurality of the battery modules (2); the spacing structure (3) is mounted on the bracket body (1) and is located outside the battery module (2); the spacing structure (3) comprises a corrugated plate (301); a crossbeam (302) is fixedly connected to the lower end of the corrugated plate (301); a baffle plate (303) is fixedly embedded on both sides of the corrugated plate (301) at the upper end of the corrugated plate (301); and the baffle plate (303) is fixedly embedded on the two sides of the corrugated plate (301); and the baffle plate (303) is welded and fixed to the corrugated plate (301); A positioning structure (4) is used to position and fix the spacing structure (3), and the positioning structure (4) is installed on a side of the baffle plate (303) away from the wave plate (301).
2. According to claim 1, a new energy vehicle power battery pack splicing internal hardware bracket is characterized in that: A second baffle plate (304) is fixedly welded to the outer side of the protruding portion of the wave plate (301), and the second baffle plate (304) is close to the upper end of the wave plate (301). The crossbeam (302) is in sliding contact with the bracket body (1) through a movable groove (5).
3. According to claim 2, a new energy vehicle power battery pack splicing internal hardware bracket is characterized in that: The lower end surface of the second baffle plate (304) is movably abutted against the upper end surface of the battery module (2), and the side of the first baffle plate (303) close to the wave plate (301) is movably abutted against the battery module (2).
4. According to claim 1, a new energy vehicle power battery pack splicing internal hardware bracket is characterized in that: The positioning structure (4) comprises a positioning seat 1 (401) and a positioning seat 2 (402) both of which are fixedly connected to the baffle 1 (303), and the positioning seat 1 (401) is located on the upper side of the positioning seat 2 (402).
5. According to claim 4, a new energy vehicle power battery pack splicing internal hardware bracket is characterized in that: A pin rod (403) is inserted into the interior of the positioning seat 1 (401) and the positioning seat 2 (402), and a paddle (404) is fixedly sleeved on the upper end of the pin rod (403), and the paddle (404) is located on the upper side of the positioning seat 1 (401).
6. According to claim 5, a new energy vehicle power battery pack splicing internal hardware bracket is characterized in that: A ball (405) is movably embedded in the lower end of the pin rod (403), and the ball (405) is rollingly connected to the bracket body (1). The pin rod (403) is located between the first positioning seat (401) and the second positioning seat (402) and is fixedly sleeved with a ring (406) on the outside.
7. The internal hardware bracket for splicing a power battery pack for a new energy vehicle according to claim 6, characterized in that: The pin rod (403) is located between the collar (406) and the positioning seat (401) and is movably sleeved with a spring (407) on the outside, and the two ends of the spring (407) are movably abutted against the positioning seat (401) and the collar (406) respectively. The bracket body (1) and the crossbeam (302) are both provided with a plug hole (6), and the number of the plug holes (6) on the bracket body (1) is multiple. The pin rod (403) is pluggably connected to the bracket body (1) and the crossbeam (302) through the plug hole (6).