CN219998340U

CN219998340U - One-piece battery compartment integrated with cold plate

Info

Publication number: CN219998340U
Application number: CN202321648787.3U
Authority: CN
Inventors: 柳明杨; 姚长明; 严宝宏; 张涌斌; 韩松
Original assignee: Ningbo Jiwen Metal Technology Co ltd
Current assignee: Ningbo Jiwen Metal Technology Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-11-10
Anticipated expiration: 2033-06-26

Abstract

The utility model discloses a one-piece battery compartment integrating a cold plate, which comprises a box body, an upper cover and a frame, wherein a first runner plate is arranged on the bottom surface of the box body, a protective plate is arranged below the first runner plate.

Description

One-piece battery compartment integrated with cold plate

Technical Field

The utility model relates to the technical field of battery devices, in particular to a one-piece battery compartment integrated with a cold plate.

Background

Along with the increasing market occupancy of electric vehicles, the electric vehicle technology also accelerates the update iteration speed, and the battery is also at quick update iteration in order to satisfy market demand as the core part of electric vehicle, if for convenient shaping and realize the integrated design of liquid cooling, partial battery box adopts box avris fixed frame, box open top and fixed upper cover, the shaping runner of bottom half and the structure of fixed bottom plate in its below, to the structure between bottom plate, upper cover, box and the frame directly adopts screw fastener fixed structure more, needs peripheral hardware to assist fixedly in the screw fastening in-process, inconvenient equipment shaping, needs the improvement.

Disclosure of Invention

In order to solve at least one technical defect, the utility model provides the following technical scheme:

the utility model discloses a one-piece battery compartment integrating a cold plate, which comprises a box body, an upper cover and a frame, wherein the frame is arranged on the side of the box body, the upper cover is arranged at the top opening of the box body, a first runner plate is arranged on the bottom surface of the box body, a first runner is formed between the first runner plate and the bottom surface of the box body, a protection plate is arranged below the first runner plate, a first buckle for positioning is arranged on the top surface of the side of the protection plate along the longitudinal direction, a first clamping groove matched with the first buckle is arranged on the bottom surface of the corresponding frame, a second buckle for positioning is arranged on the end surface of the side of the bending part, a second clamping groove matched with the second buckle is arranged on the corresponding frame, a third buckle for positioning is arranged on the side of the upper cover along the longitudinal direction, a first through hole is arranged at the bending part of the box body corresponding to the third buckle, and a third clamping groove is arranged at the position corresponding to the frame below the through hole.

According to the scheme, the pre-positioning mechanism is added in the butt joint structure of the box body and the upper cover frame, the buckling mechanism performs pre-fixing action in a buckling and clamping groove clamping fit mode, the buckling and positioning of the box body and the upper cover and the protecting plate are achieved according to the butt joint structure of the box body, the end face of the bending portion of the box body, the buckling and positioning of the frame are achieved, the through hole formed in the bending portion of the box body is convenient for the buckling and positioning of the upper cover and the frame, the box body, the upper cover, the protecting plate and the like are convenient to fix with the frame through screw fasteners after pre-positioning, and assembly is more convenient.

The integrated cooling mechanism of this scheme is as an organic wholely, and runner board one is integrated in the bottom half particularly, makes things convenient for the cold liquid to lead to, and then satisfies the thermal management performance requirement to the battery to help reducing the connection and reveal the problem, the increase of protection shield helps improving structural stability.

Furthermore, the first buckle and the third buckle comprise hooks which are arranged in parallel at intervals, the hooks are L-shaped, the L-shaped hooks are arranged in parallel at intervals, and a gap between the two hooks is reserved for the activity allowance of the hooks.

Further, the top surface and the bottom surface of the transverse end of the clamping hook are respectively provided with a guide inclined surface, so that the clamping hook is convenient to butt joint with the clamping groove.

Further, the side bending part of the box body is L-shaped, the cross section of the frame is L-shaped, the bending part is hooked with the corresponding frame, the second buckle is L-shaped, the longitudinal end of the second buckle is connected with the end face of the longitudinal end of the bending part, and the inner side of the longitudinal end of the frame is provided with a second clamping groove at the step face.

In the scheme, the bending part is hooked with the frame to help to improve structural stability, and the buckling second at the end face of the bending part and the clamping groove butt joint structure of the step face facilitate butt joint installation of the frame and the box body.

Further, set up the first and corresponding frame department of mounting hole of protection plate avris department near buckle one, set up the mounting hole second in the upper cover avris department near buckle three, the department of bending that the mounting hole second corresponds sets up the through-hole second, the frame department that the through-hole second corresponds sets up the screw hole second, and the mounting hole supplies the fastener to pass, and the screw hole is convenient to dock with the fastener, and structural stability promotes.

Further, a second runner plate is arranged on the top surface of the upper cover, a second runner is formed between the second runner plate and the top surface of the upper cover, and the second runner can be communicated by cold liquid or hot liquid so as to meet the requirement of battery thermal management performance.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model integrates the cooling mechanism into a whole, is beneficial to meeting the heat management performance requirement of the battery, is additionally provided with the pre-positioning mechanism, is convenient for pre-fixing and butt joint of the box body, the upper cover, the protection plate, the frame and the like, and is convenient for installation of later-stage fasteners.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the structure of a one-piece battery compartment of the present integrated cold plate in example 1;

fig. 2 is an enlarged schematic view of the portion a;

FIG. 3 is a schematic diagram of the structure of the hook;

wherein, the reference numerals are as follows:

1. a case; 2. a frame; 3. a protective plate; 4. a runner plate I; 5. an upper cover; 6. a second runner plate; 7. a first runner; 8. a second flow passage; 9. the first buckle is buckled; 10. a first fastener; 11. a first threaded hole; 12. a bending part; 13. a second fastener; 14. a third buckle; 15. a threaded hole II; 16. a second buckle; 17. and a guiding inclined plane.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples.

Example 1

As shown in fig. 1 to 3, the one-piece battery compartment integrated with the cold plate in this example includes a case 1, an upper cover 5, and a frame 2, the frame 2 is fixed at the side of the case 1, and the upper cover 5 is fixed at the top opening of the case 1. For the box body, a 5-series, 6-series and 7-series composite aluminum alloy material integrated stamping structure, such as cold stamping forming or hot stamping forming process, can be adopted according to different requirements.

In this example, a plurality of groove-shaped runner plates 1 are installed on the bottom surface of the box body 1 at intervals, a runner 7 is formed between the runner plates 4 and the bottom surface of the box body 1, for the runner plates 1, 3 series, 5 series, 6 series and 7 series composite aluminum alloy materials can be integrated on the box body according to different requirements to realize a one-piece integrated cooling structure through a brazing process, a hot rolling process, a welding process, a friction stir welding process or a laser welding process, the circulation of cooling liquid is carried out in the runner, the thermal management performance requirements of batteries in the box body are met, and the integrated structure is favorable for reducing leakage and the like.

For the upper cover, the upper cover 5 can be designed and formed by adopting an integral stamping structure of aluminum alloy plates of 5 series, 6 series and 7 series or composite aluminum alloy materials, the upper cover 5 can also be integrated with the runner plate II 6 according to different requirements, a runner II 8 is formed between the runner plate II 6 and the top surface of the upper cover 5, then the heat management function of the upper cover is realized, and the fixing process of the runner plate II refers to the runner plate I.

In this example, the protection plate 3 is installed below the first runner plate 4, and for the protection plate, a steel plate, a composite plate, a honeycomb plate or an aluminum plate can be designed and formed according to different requirements.

In this example, the protection plate 3 is fixed to the frame 2 at the side, and for the frame, the protection plate is mainly used for absorbing energy, and is usually designed by adopting 6-series materials, and other materials, such as composite materials, magnesium alloy, and the like, can be adopted according to requirements, and if the whole vehicle design has fully considered the side collision performance, the design can be changed into a stamped or simpler profile structure.

In this example, a first buckle 9 for positioning is longitudinally formed on the side top surface of the protective plate 3, a first clamping groove matched with the first buckle 9 is formed on the bottom surface of the corresponding frame 2, a first mounting hole is formed at a position close to the first buckle 9, a first threaded hole 11 is formed on the bottom surface of the corresponding frame, a screw is used as a first fastener 10, and the end of the screw penetrates through the first mounting hole and is meshed and fixed with the first threaded hole 11.

As shown in fig. 1 and 2, the side of the box 1 is bent outwards to form an L-shape, a second buckle 16 for positioning is formed at the end face of the side of the longitudinal end of the bending portion 12, the cross section of the frame 2 at the side of the box 1 is also L-shaped, the bending portion 12 is hooked with the frame 2, the inner side of the longitudinal end of the frame 2 is a step shape, the step face corresponds to the second buckle, a second clamping groove is formed at the position, when the box is butted with the frame, the second buckle is pre-fixed in cooperation with the second clamping groove, the second buckle 16 is L-shaped, the longitudinal end of the second buckle is connected with the end face of the longitudinal end of the bending portion, and the second buckle is hooked with the second clamping groove at the step face.

In this example, a third buckle 14 for positioning is formed on the side of the upper cover 5 along the longitudinal direction, a first through hole is formed at the transverse end of the bending part 12 of the box body 1 corresponding to the third buckle 14, a third clamping groove is formed at the position, corresponding to the frame 2, of the lower part of the through hole, the first buckle and the third buckle respectively comprise hooks which are parallel and fixed at intervals, the hooks are L-shaped, the L-shaped hooks are installed at intervals in parallel, and a gap between the two hooks is reserved hook movable allowance. As shown in fig. 3, the top surface and the bottom surface of the transverse end of the hook are both formed with guide inclined surfaces 17, so as to be convenient for docking with the clamping groove.

And a second mounting hole is formed along the longitudinal direction at the side of the upper cover 5 close to the third buckle 14, a second through hole is formed at the bending part 12 corresponding to the second mounting hole, a second threaded hole is formed at the frame 2 corresponding to the second through hole, a screw is used as a second fastener 13, the end part of the second fastener 13 extends into the second threaded hole 15 from the second mounting hole and the second through hole to be meshed and fixed, and the structural stability is improved.

The pre-positioning mechanism is added in the butt joint structure of the box body and the upper cover frame, the box body, the upper cover, the protection plate and the like are conveniently fixed with the frame through screw fasteners after pre-positioning, and the assembly is more convenient. The cooling mechanism is integrated in the structure of the box body, so that cooling fluid can flow conveniently, the requirement on the heat management performance of the battery is further met, and the problem of connection leakage is reduced.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a one-piece battery compartment of integrated cold plate, includes box, upper cover and frame, the avris of box sets up frame and the open top of box sets up the upper cover, the bottom surface of box sets up runner board one, form runner one between runner board one and the bottom surface of box, runner board below sets up the protection shield, its characterized in that, the avris top surface of protection shield sets up the buckle one that is used for the location along vertically and the frame bottom surface that corresponds sets up with buckle one complex draw-in groove one, the avris of box is outwards bent and the terminal surface department of this bending portion avris sets up the buckle two that are used for the location and corresponds frame department and set up with buckle two complex draw-in groove two, the avris of upper cover sets up the buckle three that is used for the location along vertically, the box bending department that buckle three corresponds sets up through-hole one and through-hole below corresponds frame department and sets up the draw-in groove three.

2. The integrated cold plate one-piece battery compartment of claim 1, wherein: the first buckle and the third buckle comprise hooks which are arranged in parallel and at intervals, and the hooks are L-shaped.

3. The integrated cold plate one-piece battery compartment of claim 2, wherein: the top surface and the bottom surface of the transverse end of the clamping hook are both provided with guide inclined planes.

4. The integrated cold plate one-piece battery compartment of claim 1, wherein: the side bending part of the box body is L-shaped, the cross section of the frame is L-shaped, the bending part is hooked with the corresponding frame, the second buckle is L-shaped, the longitudinal end of the second buckle is connected with the end face of the longitudinal end of the bending part, and the inner side of the longitudinal end of the frame is provided with a second clamping groove at the step face.

5. The integrated cold plate one-piece battery compartment of claim 1, wherein: the protection plate side department that approaches buckle one sets up mounting hole one and the frame department that corresponds sets up screw hole one, and the upper cover side department that approaches buckle three sets up mounting hole two, the bending portion department that mounting hole two corresponds sets up the through-hole two, the frame department that the through-hole two corresponds sets up screw hole two.

6. The integrated cold plate one-piece battery compartment of claim 1, wherein: and a second runner plate is arranged on the top surface of the upper cover, and a second runner is formed between the second runner plate and the top surface of the upper cover.