CN219770015U - Vehicle floor assembly and vehicle - Google Patents

Abstract

The utility model discloses a vehicle floor assembly and a vehicle, wherein the vehicle floor assembly comprises: a floor panel formed with a battery mounting cavity having an upper side opened; a battery pack mounted within the battery mounting cavity; the battery cover plate is arranged on the floor, the battery cover plate is sealed on the open side of the battery installation cavity, and a cooling flow passage is integrated in the battery cover plate. According to the vehicle floor assembly provided by the embodiment of the utility model, the battery installation cavity is integrated on the vehicle floor, so that the vehicle body does not need to be additionally provided with a plurality of cross beams and longitudinal beam assemblies to form the battery pack frame, the quality and cost of the whole vehicle are reduced, and the threshold beam is used as the battery pack frame to reduce the Y-direction gap between the battery pack and the threshold beam, so that the structural strength of the battery installation cavity is improved.

Description

Vehicle floor assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicle manufacturing, in particular to a vehicle floor assembly and a vehicle.

Background

Currently, in an electric automobile, a battery pack is a whole automobile power source, and has important influences on whole automobile safety, trafficability, reliability and durability, maintainability and the like. The battery pack mounting form has a great influence on the performance, and in the related art, the battery pack is mainly provided with an independent battery pack frame and is connected with the vehicle floor, so that the cost of the whole vehicle is increased, and the structural rigidity of the battery pack frame and the torsional rigidity of the whole vehicle are insufficient. And, the temperature of battery package also has great influence to above-mentioned battery package's performance, and the battery package temperature is too high and will lead to the battery to generate heat out of control promptly, has room for improvement.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a vehicle floor assembly that reduces the weight of the entire vehicle and ensures stable battery temperature.

According to an embodiment of the present utility model, a vehicle floor assembly includes: a floor panel formed with a battery mounting cavity having an upper side opened; a battery pack mounted within the battery mounting cavity; the battery cover plate is arranged on the floor, the battery cover plate is sealed on the open side of the battery installation cavity, and a cooling flow passage is integrated in the battery cover plate.

According to the vehicle floor assembly provided by the embodiment of the utility model, the battery mounting cavity is integrated on the vehicle floor, so that the vehicle body does not need to be additionally provided with a plurality of transverse and longitudinal beam components to form the battery pack frame, the quality and cost of the whole vehicle are reduced, and the threshold beam is used as the battery pack frame to reduce the Y-direction gap between the battery pack and the threshold beam, so that the structural strength of the battery mounting cavity is improved.

According to the vehicle floor assembly disclosed by the embodiment of the utility model, the floor comprises two threshold beams, a middle longitudinal beam and a stress cross beam, wherein the two threshold beams are distributed at intervals, a battery pack installation area is formed between the two threshold beams, and the stress cross beam and the middle longitudinal beam are distributed in the battery pack installation area in a crossing manner and define the battery installation cavity together with the threshold beams.

According to the vehicle floor assembly provided by the embodiment of the utility model, the stress cross beams are distributed at intervals in the longitudinal direction, and the stress cross beams, the middle longitudinal beam and the threshold beam define a plurality of battery mounting cavities.

According to the vehicle floor assembly provided by the embodiment of the utility model, a plurality of battery packs are provided, the battery mounting cavities are provided, the battery packs are distributed at intervals and are arranged in the battery mounting cavities in a one-to-one correspondence manner, and the battery cover plate simultaneously seals the open sides of the battery mounting cavities.

According to the vehicle floor assembly provided by the embodiment of the utility model, a plurality of groups of the battery mounting cavities are arranged, the plurality of groups of the battery mounting cavities are spaced apart in the transverse direction, and the plurality of battery mounting cavities of each group are arranged in a plurality of longitudinally spaced apart manner.

According to the vehicle floor assembly provided by the embodiment of the utility model, a plurality of battery packs are provided, the battery mounting cavities are provided, and the battery packs are distributed at intervals and are correspondingly arranged in the battery mounting cavities one by one.

According to the vehicle floor assembly provided by the embodiment of the utility model, the cooling flow channel comprises a plurality of circulation sections, and the plurality of circulation sections are sequentially bent and connected.

According to the vehicle floor assembly provided by the embodiment of the utility model, the battery cover plate is provided with the inlet and the outlet communicated with the cooling flow channel, and the inlet and the outlet are respectively positioned at two lateral sides of the battery cover plate.

The utility model further provides a vehicle.

A vehicle according to an embodiment of the utility model includes a vehicle floor assembly as defined in any one of the preceding claims.

The vehicle according to the embodiment of the utility model further includes: and the control module is integrated on the vehicle body, and the battery pack is electrically connected with the control module.

The vehicle and any of the above-described vehicle floor assemblies have the same advantages over the prior art and are not described in detail herein.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a structural exploded view of a vehicle floor assembly according to an embodiment of the present utility model;

fig. 2 is a schematic view of a battery pack and a battery mounting chamber according to an embodiment of the present utility model;

fig. 3 is a schematic view of a battery cover plate structure according to an embodiment of the present utility model.

Reference numerals:

the vehicle floor assembly 100 is configured to provide a vehicle floor assembly,

floor 1, threshold beams 11, intermediate stringers 12, load beam 13, battery mounting cavity 14,

the battery pack 2, the battery cover plate 3, the cooling flow channel 31, the inlet 311 and the outlet 312.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

If not specified, the front-rear direction in the utility model is the longitudinal direction of the vehicle, namely the X direction; the left-right direction is the transverse direction of the vehicle, namely the Y direction; the up-down direction is the vertical direction of the vehicle, i.e., the Z direction.

Referring now to fig. 1-3, a vehicle floor assembly 100 in accordance with an embodiment of the present utility model is described, including: floor 1, battery package 2 and battery apron 3. As shown in fig. 1, the floor panel 1 is formed with a battery mounting chamber 14 having an open upper side, the size of the battery mounting chamber 14 is adapted to the size of the battery pack 2, and the battery cover 3 is shared with the floor panel 1 of the passenger compartment. I.e. the battery cover 3, i.e. the passenger compartment floor 1, whereby the number of panels of the vehicle can be reduced, thereby reducing the overall vehicle mass and cost. That is, in actual assembly, heat-conducting glue may be spread on the upper surface of the battery pack 2 and the lower surface of the battery cover plate 3, and the battery pack 2 is mounted in the battery mounting cavity 14 by bolting, and then the battery cover plate 3 is mounted on the floor 1, so that the battery cover plate 3 may close the open side of the battery mounting cavity 14 and attach to the upper surface of the battery pack 2. This achieves the effect of attaching the battery pack 2 to the vehicle body.

And, the battery cover plate 3 is formed by brazing two metal plates of the same size, and a cavity is formed in the battery cover plate 3. Thereby, the cooling flow passage 31 can be integrated in the battery cover 3. The cooling liquid may flow in the battery cover 3 at the top of the battery pack 2 through the cooling flow channel 31. That is, the battery cover plate 3 can be fully contacted with the upper surface of the battery pack 2, and the cooling of the battery pack 2 is realized by the cooling liquid flowing continuously inside the battery cover plate 3.

The body rocker 11 has a sufficiently strong structural rigidity, and is therefore a very important vehicle protection member that can effectively withstand external intrusion during a side collision of a vehicle, protect the integrity of the passenger compartment, and reduce injury to passengers in the vehicle. Thus, the vehicle floor assembly 100 of the embodiment of the utility model integrates the battery mounting cavity 14 into the floor 1, i.e., a mounting space is constructed in the floor 1 for mounting the battery pack 2.

That is, the recessed battery mounting cavities 14 are formed in the floor panel 1, and the body sills on both sides in the Y direction in the floor panel 1 are directly used as the frames of the battery pack 2, so that the battery pack 2 can be fixedly mounted on the vehicle body without separately designing the frame structure of the battery pack, and the structural strength of the battery pack 2 when mounted on the vehicle body is enhanced.

And, because need not set up the battery package frame alone, so when the battery package 2 is installed in floor 1, can avoid setting up the space that the battery package frame occupy, be favorable to reducing the Y between battery package 2 and the automobile body threshold to the clearance and the Z between battery package 2 and the apron to the clearance, and then enlarged the arrangement space of battery package 2, improved the installation utilization ratio of automobile body lower part space to battery package 2, and promoted whole car torsional rigidity, reduced whole car cost and quality. And, when the cooling flow channel 31 integrated in the battery cover plate 3 of the utility model cools the battery pack 2, the Z-direction clearance is reduced, so that the heat dissipation effect of the cooling flow channel 31 on the battery pack 2 can be improved, and the problems of thermal runaway and the like caused by overhigh temperature of the battery pack 2 are avoided.

According to the vehicle floor assembly 100 of the embodiment of the utility model, the battery mounting cavity 14 is integrated on the floor 1, so that a plurality of transverse and longitudinal beam assemblies are not required to be additionally arranged on the vehicle body to form a battery pack frame, the quality and the cost of the whole vehicle are reduced, and the threshold beam 11 is used as the battery pack frame to reduce the Y-direction gap between the battery pack 2 and the threshold beam 11, so that the structural strength of the battery mounting cavity 14 is improved.

In some embodiments, the floor 1 comprises a threshold beam 11, a middle longitudinal beam 12 and a force-receiving cross beam 13. It should be noted that, as shown in fig. 2, the floor board 1 includes two threshold beams 11, and the two threshold beams 11 are disposed at intervals on both sides of the floor board 1 in the Y direction, that is, the two threshold beams 11 may be symmetrically disposed at intervals. Thus, the battery pack mounting area is formed by the two rocker beams 11, the vehicle front end, and the vehicle rear end in common. And, a middle side member 12 and a force receiving cross member 13 are installed in the battery pack installation area.

Specifically, in actual installation, the stress beam 13 and the middle longitudinal beam 12 may be distributed across the battery pack installation area, so that the stress beam 13 and the middle longitudinal beam 12 can define the battery installation cavity 14 together with the threshold beam 11. It can be appreciated that the battery mounting cavity 14 is constructed on the floor 1, so that the extra cross beams and stringers added to the vehicle are saved, the weight of the whole vehicle is reduced, and the protection of the battery pack 2 can be improved by using the threshold beams 11 of the vehicle as a battery pack frame.

In some embodiments, the stress beams 13 are plural and are distributed at intervals in the longitudinal direction, and the plural stress beams 13, the middle longitudinal beam 12 and the threshold beam 11 define plural battery mounting cavities 14. That is, the middle side member 12 is longitudinally disposed at a middle position of the battery pack mounting area, and a plurality of force-receiving cross members 13 are uniformly distributed at longitudinal intervals and connected to the side sill members 11. With this, a plurality of battery mounting cavities 14 which are uniformly distributed and have the same space size can be formed, thereby ensuring the stress uniformity of the floor 1 and improving the space utilization rate of the floor 1.

In some embodiments, the battery packs 2 are plural, and the battery mounting cavities 14 are plural, and the plural battery packs 2 are spaced apart and mounted in the plural battery mounting cavities 14 in one-to-one correspondence, and the battery cover plate 3 simultaneously closes the open sides of the plural battery mounting cavities 14. It can be understood that, as shown in fig. 2, the present embodiment is provided with a plurality of battery mounting cavities 14 for mounting a plurality of battery packs 2, so as to increase the number of the battery packs 2, so as to increase the cruising ability, the power strength, etc. of the vehicle.

And, the plurality of battery mounting chambers 14 in the present embodiment each use one battery cover plate 3, that is, the battery cover plate 3 may cover the floor 1, thereby realizing closing of the open side of the battery pack mounting area. From this, accessible integrative battery cover plate 3 reducible installation work volume improves the convenience, and the integrated structure can guarantee the structural strength of battery cover plate 3, improves life.

In some embodiments, the battery mounting cavities 14 are in multiple groups, the multiple groups of battery mounting cavities 14 being laterally spaced apart, the battery mounting cavities 14 of each group being multiple and the multiple battery mounting cavities 14 being longitudinally spaced apart. It will be appreciated that in the present embodiment, as shown in fig. 2, two sets of battery mounting cavities 14 are provided in total in the Y direction of the vehicle, each set of mounting cavities being symmetrically arranged in the Y direction. Wherein each set of battery mounting cavities 14 comprises 4 battery mounting cavities 14, the 4 battery mounting cavities 14 are evenly distributed in each set of battery mounting cavities 14 at longitudinal intervals, and the other set is also arranged as in the above-described layout. Therefore, the plurality of groups of battery mounting cavities 14 can be uniformly distributed on the floor 1, so that the stress uniformity of the floor 1 is ensured.

In some embodiments, the battery packs 2 are plural, the battery mounting cavities 14 are plural, and the plural battery packs 2 are spaced apart and mounted in the plural battery mounting cavities 14 in one-to-one correspondence. That is, in the present embodiment, a plurality of battery packs 2 are provided, and the plurality of battery packs 2 are in one-to-one correspondence with a plurality of battery mounting cavities 14 formed on the floor panel 1, thereby ensuring that each battery pack 2 can be mounted in the battery mounting cavity 14. As shown in fig. 2, in this embodiment, 8 battery packs 2 are provided, and the size of each battery pack 2 is matched with the size of the battery mounting cavity 14, so that the battery packs 2 can be mounted in a fitting manner with the battery mounting cavity 14 perfectly, thereby achieving a tighter mounting to improve stability.

In some embodiments, the cooling flow channel 31 includes a plurality of flow sections, and the plurality of flow sections are sequentially connected in a bent manner. As shown in fig. 3, the cooling flow path 31 is routed in the battery cover 3, and the cooling flow path 31 is bent and connected in sequence by a plurality of flow sections, thereby covering the entire battery cover 3. Specifically, two cooling flow passages 31 are provided in the floor panel 1, that is, the cooling flow passage 31 includes an inner cooling flow passage 312 and an outer cooling flow passage 313. The inner cooling flow channels 312 and the outer cooling flow channels 313 are arranged in parallel at intervals so that the circulation segments in the inner cooling flow channels 312 and the circulation segments in the outer cooling flow channels 313 can be arranged in parallel at intervals throughout the battery cover plate 3. Therefore, the cooling flow channel 31 can completely cover the whole battery cover plate 3, so that heat exchange between the cooling liquid and a plurality of battery packs 2 under the battery cover plate 3 can be realized, and further, the cooling of the battery packs 2 is realized.

In some embodiments, the battery cover 3 is provided with an inlet 311 and an outlet 312 communicating with the cooling flow channel 31, the inlet 311 and the outlet 312 being located on lateral sides of the battery cover, respectively. That is, as shown in fig. 3, the inlet 311 and the outlet 312 of the cooling flow channel 31 are disposed on two lateral sides of the battery cover 3, so that the path of the cooling liquid flowing out of the battery cover 3 after cooling down and flowing into the battery cover 3 is reduced, which is beneficial to the inlet and outlet of the cooling liquid and the recycling. And, the arrangement of the circulation system for cooling the cooling liquid is also facilitated by the arrangement of the inlet 311 and the outlet 312 on the same lateral side of the battery cover plate 3.

The utility model further provides a vehicle.

A vehicle according to an embodiment of the utility model includes the vehicle floor assembly 100 of any of the above. By constructing the plurality of groove-shaped battery mounting cavities 14 in the floor panel 1 so that the battery mounting cavities 14 can be integrated in the floor panel 1 and the frame of the battery mounting cavities 14 is shared with the rocker 11 of the vehicle, the structural strength of the battery mounting cavities 14 can be improved. And, still evenly be provided with a plurality of cooling flow channels 31 in battery apron 3, can dispel the heat to outside heat dissipation part with the temperature of battery package 2 to reduce the temperature of battery package 2, avoid the capacity decay of battery package 2, improve the life of battery package 2.

In some embodiments, the vehicle further comprises: and the control module is integrated on the vehicle body, and the battery pack 2 is electrically connected with the control module. It should be noted that the control module includes an electric control system capable of monitoring circuit conditions and data information of the battery pack 2, for example, the electric control system can detect battery power, charging time, etc., so as to ensure normal running of the vehicle.

The control module further comprises a temperature sensor, the temperature sensor can detect the temperature change condition of the battery pack 2 in real time, so that the temperature change condition is fed back to the control module, and the control module can selectively open the cooling flow channel 31 according to the temperature data of the battery pack 2, so that the temperature of the battery pack 2 can be ensured to be always in a normal operation range.

1. In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

2. In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

3. In the description of the present utility model, "plurality" means two or more.

4. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

5. In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A vehicle floor assembly, comprising:

-a floor panel (1), said floor panel (1) being formed with a battery mounting cavity (14) open on the upper side;

a battery pack (2), the battery pack (2) being mounted within the battery mounting cavity (14);

the battery cover plate (3), battery cover plate (3) install in floor (1), just battery cover plate (3) seal in the open side of battery installation cavity (14), integrated cooling runner (31) in battery cover plate (3), battery cover plate (3) and floor (1) sharing in passenger cabin, the upper surface of battery package (2) with the lower surface tiling of battery cover plate (3) has the heat conduction glue.

2. The vehicle floor assembly according to claim 1, wherein the floor (1) comprises a threshold beam (11), a middle longitudinal beam (12) and a stress cross beam (13), wherein the threshold beams (11) are two and are distributed at intervals, a battery pack mounting area is formed between the two threshold beams (11), and the stress cross beam (13) and the middle longitudinal beam (12) are distributed in the battery pack mounting area in a crossing manner and define the battery mounting cavity (14) together with the threshold beams (11).

3. The vehicle floor assembly according to claim 2, wherein the force-receiving cross members (13) are plural and longitudinally spaced apart, and plural force-receiving cross members (13), the intermediate side member (12), the threshold beam (11) define plural battery mounting cavities (14).

4. The vehicle floor assembly according to claim 1, wherein the number of the battery packs (2) is plural, the number of the battery mounting cavities (14) is plural, the plurality of the battery packs (2) are arranged in the plurality of the battery mounting cavities (14) in a spaced-apart distribution and one-to-one correspondence, and the battery cover plate (3) simultaneously closes the open sides of the plurality of the battery mounting cavities (14).

5. The vehicle floor assembly of claim 1, wherein the battery mounting cavities (14) are in a plurality of groups, the plurality of groups of battery mounting cavities (14) being laterally spaced apart, the battery mounting cavities (14) of each group being a plurality and the plurality of battery mounting cavities (14) being longitudinally spaced apart.

6. The vehicle floor assembly according to claim 1, wherein the number of the battery packs (2) is plural, the number of the battery mounting cavities (14) is plural, and the plurality of the battery packs (2) are distributed at intervals and are mounted in the plurality of the battery mounting cavities (14) in a one-to-one correspondence.

7. The vehicle floor assembly of claim 1, wherein the cooling flow channel (31) comprises a plurality of flow segments, and wherein a plurality of the flow segments are sequentially connected in a serpentine fashion.

8. Vehicle floor assembly according to claim 1, characterized in that the battery cover plate (3) is provided with an inlet and an outlet communicating with the cooling flow channel (31), which inlet and outlet are located on lateral sides of the battery cover plate (3), respectively.

9. A vehicle comprising the vehicle floor assembly of any one of claims 1-8.

10. The vehicle of claim 9, further comprising: and the control module is integrated on the vehicle body, and the battery pack (2) is electrically connected with the control module.