CN114590115A - Vehicle with a steering wheel - Google Patents

Abstract

The invention provides a vehicle. The vehicle includes: a body with a top cover frame; a first power battery, the first power battery is arranged on the top cover frame, and the first power battery includes a battery bottom plate, a battery upper cover and a plurality of battery cells , a plurality of battery cells are sandwiched between the battery bottom plate and the battery upper cover, and the plurality of battery cells are stacked in the height direction of the vehicle. Therefore, by arranging the first power battery, and the first power battery is composed of a plurality of cells in the form of no module, the total weight of the first power battery can be reduced, the energy density of the first power battery can also be improved, and the It can facilitate the replacement of a single cell in the first power battery, thereby improving the efficiency of installation, removal and replacement of the first power battery.

Description

vehicle

technical field

The present invention relates to the field of vehicles, in particular to a vehicle.

Background technique

In the related art, the cells of the power battery of the existing vehicle (passenger car) need to form a battery module first, and then form a battery pack. The total weight of the power battery is large, and the energy density of the power battery is low, which will lead to the installation of the power battery of the whole vehicle. , The disassembly efficiency is low.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present invention is to provide a vehicle, which includes: a body, the body has a roof frame; a first power battery, the first power battery is provided on the roof frame, the first power battery A power battery includes a battery bottom plate, a battery upper cover and a plurality of battery cells, the plurality of battery cells are sandwiched between the battery bottom plate and the battery upper cover, and a plurality of the battery cells are stacked in the height direction of the vehicle.

According to the vehicle of the present invention, by arranging the first power battery, and the first power battery is composed of a plurality of cells in the form of no module, the total weight of the first power battery can be reduced, and the energy of the first power battery can also be increased. The density of the first power battery can also be easily replaced, thereby improving the installation, removal and replacement efficiency of the first power battery.

In some examples of the present invention, the battery bottom plate is fixedly connected with the top cover frame.

In some examples of the present invention, the cells are configured as flat-like structures.

In some examples of the present invention, the first power battery further includes: a mounting bracket, a battery side beam is provided on the edge of the battery bottom plate, and the mounting bracket is sandwiched between the battery upper cover and the battery side beam In between, the mounting bracket is connected with the top cover frame.

In some examples of the present invention, the mounting frame includes: a first connecting plate, the first connecting plate is sandwiched between the battery upper cover and the battery side beam, and a part of the first connecting plate The structure extends out of the first power battery and is suitable for connecting with the top cover frame.

In some examples of the present invention, the mounting bracket further comprises: a second connecting plate and a vertical plate, the vertical plate is connected between the first connecting plate and the second connecting plate, and the The second connecting plate and the vertical plate are located in the first power battery.

In some examples of the present invention, the first power battery further includes: a spacer plate, and the spacer plate is sandwiched between at least two adjacent ones of the plurality of cells.

In some examples of the present invention, the spacer plate is a hollow plate.

In some examples of the present invention, the spacer plate is provided with a plurality of channels, and the plurality of channels are parallel to each other.

In some examples of the present invention, the spacer panels are honeycomb panels.

In some examples of the present invention, a plurality of the battery cells form a plurality of groups of battery cell groups, and the plurality of the battery cells in each group of the battery cell groups are stacked in the height direction of the vehicle; In the width direction of the vehicle, the adjacent battery cell groups are spaced apart.

In some examples of the present invention, the vehicle further includes: at least one second power battery, the body further has a floor frame, the floor frame is located between the front wheel and the rear wheel of the vehicle, the first Two power batteries are arranged below the floor frame.

In some examples of the present invention, the height of the lowest point of the lower surface of the second power battery is higher than the height of the lower surface of the apron of the vehicle body side.

In some examples of the present invention, the floor frame is formed with a plurality of battery installation areas, a plurality of the second power batteries, and a one-to-one correspondence between the plurality of battery installation areas and the plurality of the second power batteries.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic diagram of the arrangement of a first power battery according to an embodiment of the present invention;

2 is a schematic diagram of the arrangement of a second power battery according to an embodiment of the present invention;

3 is a top view of a vehicle according to an embodiment of the present invention;

4 is a side view of a vehicle according to an embodiment of the present invention;

5 is a schematic diagram of the assembly of a first power battery and a top cover frame according to an embodiment of the present invention;

6 is a partial schematic diagram of a first power battery and a top cover frame according to an embodiment of the present invention;

FIG. 7 is a schematic view of the stacking of the spacer plate and the cell of the first power battery according to the embodiment of the present invention.

Reference number:

vehicle 100;

Channel 1; Mounting Sleeve 3;

body 10; roof frame 11; floor frame 12; frame rails 13; battery installation area 14; side skirts 15;

The first power battery 20; the battery core 21; the battery bottom plate 22; the battery upper cover 23; the mounting frame 24; the battery side beam 25; the first connecting plate 26; the second connecting plate 27; the vertical plate 28;

The second power battery 30 .

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

A vehicle 100 according to an embodiment of the present invention is described below with reference to FIGS. 1-7 .

As shown in FIGS. 1-7 , a vehicle 100 according to an embodiment of the present invention includes: a body 10 and a first power battery 20 . The vehicle 100 may be a pure electric bus, and the body 10 has a roof frame 11. It should be noted that, in the height direction of the vehicle 100, the roof frame 11 may be arranged above the body 10, and the first power battery 20 is arranged on the roof frame. Above 11, the first power battery 20 and the top cover skeleton 11 are integrated and arranged. The first power battery 20 includes a battery bottom plate 22, a battery upper cover 23 and a plurality of battery cells 21, and the plurality of battery cells 21 are sandwiched between the battery bottom plate 22 and the battery. Between the battery upper covers 23 , and the plurality of cells 21 are stacked in the height direction of the vehicle 100 , it should be explained that a first power battery 20 may be provided above the top cover frame 11 , and the plurality of cells 21 are arranged in the vehicle 100 . The height direction can be set up and down.

In the related art, a power battery pack includes a accommodating device and a plurality of battery modules installed in the accommodating device. The battery module is assembled from a plurality of battery cells. all around. In order to make the accommodating device have sufficient strength and facilitate the installation of the battery module, a plurality of beams and longitudinal beams are usually arranged between the side beams. Multiple accommodating spaces for battery modules, each battery module is arranged in a corresponding accommodating space. However, due to the existence of beams and longitudinal beams, the volume utilization rate of the accommodating device is low, and the volume utilization rate is about 40%. The number of cells that can be installed is limited, and the battery life of the power battery pack cannot be effectively improved; and during the assembly process In the middle, each battery module needs to be fixed with the beam, and a large number of screws and other fasteners need to be used to fasten the module. At the same time, the beam or the longitudinal beam has a certain weight, which leads to an increase in the weight of the accommodating device; There are beams and longitudinal beams, and the structure is complex, which increases the complexity of the manufacturing process of the accommodating device; the battery cells need to be assembled into battery modules and then arranged in the accommodating device, and the operation steps are complicated.

In the present invention, a plurality of battery cells 21 are sandwiched between the battery bottom plate 22 and the battery upper cover 23, and the plurality of battery cells 21 are stacked in the height direction of the vehicle to constitute the first power battery 20, that is, the first power battery 20. The battery cell 21 is composed of a non-module form, and the battery cell 21 is a metal shell battery, that is to say, the shell of the battery cell 21 is made of metal material, so the battery cell 21 itself can be used to increase the structural strength, and does not need to be placed in the accommodating device. Reinforcement structures are provided, thereby reducing the space occupied by the beams and/or longitudinal beams in the accommodating device, effectively improving the energy density, capacity, voltage and endurance of the entire power battery; and the accommodating device is only composed of the battery bottom plate 22 and the battery on the battery. The cover 23 is formed, the manufacturing process is simplified, the assembly complexity of the battery cell 21 is reduced, and the production cost is reduced. , to realize the lightweight of the vehicle 100 .

At the same time, due to the high rigidity structure of the first power battery 20 , by arranging the first power battery 20 on the roof frame 11 , the rigidity of the roof frame 11 can be greatly enhanced, and the deformation of the roof frame 11 caused by the vibration during the driving of the vehicle 100 can be reduced. , and can reduce the profile height of the roof frame 11, thereby reducing the height of the center of mass of the first power battery 20, ensuring that the vehicle 100 has a larger roll angle, which can prevent the vehicle 100 from rolling over when turning to a certain extent, and can improve the The driving safety of the vehicle 100; at the same time, the body weight of the roof frame 11 can be reduced, and the weight of the vehicle 100 can be further realized.

In addition, the present invention can replace the battery cells 21 independently, thereby reducing the difficulty of the overall disassembly of the first power battery 20 and improving the installation and disassembly efficiency of the first power battery 20 .

Therefore, the first power battery 20 is provided, and the first power battery 20 is composed of a plurality of battery cells 21 in the form of no module, which can reduce the total weight of the first power battery 20 and increase the weight of the first power battery 20 . The energy density can also facilitate the replacement of a single cell 21 in the first power battery 20 , thereby improving the efficiency of installation, disassembly and replacement of the first power battery 20 .

In some embodiments of the present invention, as shown in FIG. 5 and FIG. 6 , the battery bottom plate 22 may be fixedly connected with the top cover frame 11 . It should be noted that, in the height direction of the vehicle 100 , the battery bottom plate 22 may be disposed above the roof frame 11 , and the battery bottom plate 22 may be fixedly connected with the roof frame 11 . Specifically, the roof frame 11 may include frame longitudinal beams 13 , the frame longitudinal beam 13 can be extended along the front and rear directions of the vehicle 100, the battery bottom plate 22 can be connected with the frame longitudinal beam 13 by means of bolt connection, and the battery upper cover 23 can be constructed as a non-metal heat-insulating upper cover structure. The battery bottom plate 22 and the top cover frame 11 form a high-strength integral structure, which further increases the structural strength of the top cover frame 11, thereby further preventing the vibration generated during the driving of the vehicle 100 from being transmitted to the top cover frame 11. The skeleton 11 is deformed.

In some embodiments of the present invention, as shown in FIG. 5 and FIG. 6 , the battery cells 21 may be configured as flat structures. It should be explained that, in the height direction of the vehicle 100 , the first power battery 20 may be stacked in layers. There are a plurality of cells 21, the cells 21 provided in the first power battery 20 may be configured as flat-shaped structures, preferably, the cells 21 provided in the first power battery 20 may be configured as long cells 21 with a flat-shaped structure , the surface area of the battery cell 21 is larger than the surface area of the battery cell in the related art, so that the heat dissipation area of the battery cell 21 can be increased, the heat dissipation rate of the battery cell 21 can be increased, and the safety of the first power battery 20 can be improved, so that the first power battery 20 can be improved. The power battery 20 is safer and more reliable. Preferably, the cells 21 provided in the first power battery 20 are set in a rectangular structure or a square structure, so as to improve the space utilization rate of the first power battery 20 and increase the electric capacity of the first power battery 20, so that the vehicle 100 can be improved. of driving mileage.

In addition, by configuring the battery cell 21 to be a flat structure, the height of the center of mass of the first power battery 20 can be further reduced, so that the height of the center of mass of the vehicle 100 can be further reduced.

In some embodiments of the present invention, as shown in FIG. 5 and FIG. 6 , the first power battery 20 may further include: a mounting frame 24 , a battery side beam 25 may be provided on the edge of the battery bottom plate 22 , and the mounting frame 24 may be sandwiched by Between the battery upper cover 23 and the battery side beam 25 , the mounting bracket 24 can be connected with the top cover frame 11 . It should be noted that the battery side beams 25 can be disposed at the edge of the battery bottom plate 22, and the battery side beams 25 can be welded and connected to the battery bottom plate 22. In the height direction of the vehicle 100, part of the structure of the mounting bracket 24 can be sandwiched between the battery Between the upper cover 23 and the battery side beam 25, the mounting frame 24 sandwiched between the battery upper cover 23 and the battery side beam 25 can be connected to the top cover frame 11, specifically, the mounting frame 24 sandwiched between the battery upper cover 23 and the battery side beam The mounting brackets 24 between the beams 25 can be connected with the roof frame 11 by bolts, so that the first power battery 20 can be integrated and installed on the vehicle body 10, which can further increase the structural rigidity of the roof frame 11, so as to avoid damage caused by the roof. The structural rigidity of the cover frame 11 is insufficient to increase the volume and weight of the roof frame 11 , which can realize the lightweight setting of the vehicle 100 .

In some embodiments of the present invention, as shown in FIGS. 5 and 6 , the mounting frame 24 may include: a first connecting plate 26 , and the first connecting plate 26 may be sandwiched between the battery upper cover 23 and the battery side beam 25 The part of the structure of the first connecting plate 26 can extend out of the first power battery 20 , and the part of the structure of the first connecting plate 26 extending out of the first power battery 20 is suitable for connecting with the top cover frame 11 . It should be explained that, in the height direction of the vehicle 100 , a part of the structure of the first connecting plate 26 may be disposed between the battery upper cover 23 and the battery side beam 25 , and another part of the structure of the first connecting plate 26 may extend beyond the first connecting plate 26 . In the power battery 20 , the part of the structure extending out of the first connecting plate 26 of the first power battery 20 can be connected with the top cover frame 11 . Specifically, the first connecting plate 26 extending out of the first power battery 20 can be connected with the top cover frame 11 . The frame longitudinal beams 13 are fixedly connected together by means of bolt connection, so that the first power battery 20 can be conveniently arranged on the top cover frame 11 .

As some embodiments of the present invention, as shown in FIGS. 5 and 6 , the vehicle body 10 may further include a mounting sleeve 3 , and the upper surface of the mounting sleeve 3 may be arranged to fit the lower surface of the first connecting plate 26 of the mounting frame 24 . , the lower part of the installation sleeve 3 can be embedded in the frame longitudinal beam 13, the installation sleeve 3 can be provided with a through hole, and the first connecting plate 26 can also be provided with a through hole corresponding to the through hole of the installation sleeve 3. , the through holes of the installation sleeve 3 and the first connecting plate 26 can be formed by machining, and the side walls of the through holes of the installation sleeve 3 and the first connecting plate 26 can be provided with external threads that cooperate with the bolts. Internal thread, the mounting sleeve 3 and the first connecting plate 26 can be fixedly connected together by bolts, which can ensure the reliability of the connection between the first power battery 20 and the frame longitudinal beam 13, and can avoid the first power battery 20. Falling off from the frame longitudinal beams 13 can further increase the structural rigidity of the roof frame 11 .

In some embodiments of the present invention, as shown in FIGS. 5 and 6 , the mounting bracket 24 may further include: a second connecting plate 27 and a vertical plate 28 , and the vertical plate 28 may be connected to the first connecting plate 26 and the first connecting plate 26 and the first connecting plate 28 . Between the two connecting plates 27 , the second connecting plate 27 and the vertical plate 28 may be located in the first power battery 20 . It should be noted that the first connecting plate 26 , the second connecting plate 27 and the vertical plate 28 can together form the mounting frame 24 , and the first connecting plate 26 , the second connecting plate 27 and the vertical plate 28 can be connected by welding , the first connecting plate 26, the second connecting plate 27 and the vertical plate 28 can also be integrally formed parts, one end of the vertical plate 28 can be connected to the first connecting plate 26, and the other end of the vertical plate 28 can be connected to the second connecting plate For the plate 27, preferably, the lower end of the vertical plate 28 is connected to the first connecting plate 26, and the upper end of the vertical plate 28 is connected to the second connecting plate 27. The second connecting plate 27 and the vertical plate 28 can be arranged on the first power battery 20. Inside, both the vertical plate 28 and the second connecting plate 27 can be welded with the battery upper cover 23, and such arrangement can improve the structural strength of the first power battery 20, and can avoid the deformation of the first power battery 20 caused by the vibration generated during the driving of the vehicle 100 .

In some embodiments of the present invention, as shown in FIG. 5 and FIG. 6 , the first power battery 20 may further include: a partition plate 29 . In the height direction of the vehicle 100 , at least two of the plurality of battery cells 21 are adjacent to each other. A partition plate 29 may be sandwiched between the cells 21 . It should be explained that the first power battery 20 may include one partition plate 29, and the first power battery 20 may also include a plurality of partition plates 29. Preferably, any adjacent two cells 21 are provided with a space between them. The material of the plate 29 and the spacer plate 29 can be a lightweight aluminum alloy with good rigidity, so that the first power battery 20 can be constructed as an integral integrated rigid battery pack, which can support the battery cell 21 to improve the first power battery 20. The mechanical structure and performance of the power battery 20 can also play a role in isolating the cells 21 of each layer to a certain extent, so that the safety and reliability of the first power battery 20 can be improved to a certain extent.

As an embodiment of the present invention, the partition plate 29 may be connected with the second connecting plate 27 or the vertical plate 28. It should be noted that, in the height direction of the vehicle 100, some of the partition plates 29 among the plurality of partition plates 29 may be The second connection plate 27 is welded and connected, and another part of the plurality of spacer plates 29 can be welded and connected to the vertical plate 28 , so that the structural strength of the first power battery 20 can be improved.

Specifically, as an embodiment of the present invention, two rows of stacked cell packs may be arranged in the first power battery 20 , and each cell pack includes a plurality of cells 21 stacked in the height direction of the vehicle 100 . In the height direction of the first power battery 20, three layers of long cells 21 with a flat structure can be stacked in layers, and a spacer 29 is sandwiched between two adjacent cells 21, that is, in the first power battery 20 There are two spacer plates 29 spaced apart in the height direction. The spacer plate 29 located above can be connected to the second connecting plate 27 of the mounting frame 24, and the spacer plate 29 located below can be connected to the vertical plate of the mounting frame 24. 28 is connected, and this arrangement can realize an arrangement form of the first power battery 20 .

In some embodiments of the present invention, as shown in FIGS. 5-7 , the spacer plate 29 may be configured as a hollow plate. The hollow plate is a plate body with holes formed inside, and the shape of the holes can be circle, square, rectangle, triangle or ellipse, etc. By setting the spacer plate 29 as a hollow plate, the spacer plate can be reduced under the premise of ensuring rigidity. 29, thereby reducing the self-weight of the first power battery 20, further improving the cruising ability of the vehicle, and at the same time realizing the lightweight of the vehicle.

In some embodiments of the present invention, as shown in FIGS. 5-7 , the partition plate 29 is provided with a plurality of holes 1 , and the plurality of holes 1 can be arranged in parallel with each other. The hole 1 can be a through hole extending along the length direction of the vehicle 100, and the length direction of the vehicle 100 refers to the front and rear direction of the vehicle 100. The hole 1 can be formed by machining, and the hole 1 can also be formed by extrusion molding. The hole 1 in the partition plate 29 can be used as a cold air channel for the air cooling system of the first power battery 20, a channel for heat dissipation fluid of the liquid cooling system of the first power battery 20, and a channel for arranging cable harnesses. When the first power battery 20 uses air cooling for heat dissipation, the heat dissipation medium can use the cold air of the air conditioner on the top of the vehicle 100 , and the cooling efficiency is high, and there is no need to separately set an air cooling system for battery heat dissipation.

It should be explained that the plurality of holes 1 may be through holes extending along the length direction of the vehicle 100 , the plurality of holes 1 may be arranged at intervals along the width direction of the vehicle 100 , and the plurality of holes 1 may be arranged parallel to each other on the partition plate 29 Inside. In this way, it is convenient to arrange the heat dissipation system of the first power battery 20 , improve the cooling efficiency, ensure the temperature consistency of the cells 21 , prolong the service life of the cells 21 , and also facilitate the arrangement of the cable harness.

In some embodiments of the present invention, as shown in FIGS. 5-7 , the spacer plate 29 may be a honeycomb plate. It can be understood that the honeycomb panel is two thin panels, which are firmly bonded on both sides of a layer of honeycomb core material. The core material is set as a hexagonal honeycomb core. Like many small I-beams, it can disperse the pressure from the panels, so that the panels are evenly stressed and ensure the high flatness of the partitions. The honeycomb board also has the advantages of large strength-to-weight ratio, strong pressure resistance, good shock resistance, no deformation, and light weight. Using the honeycomb board as the partition plate 29 can improve the structural strength of the first power battery 20 and reduce the first power battery 20. It can avoid the deformation of the first power battery 20 and the top cover frame 11 due to the vibration generated during the running of the vehicle, and is beneficial to realize that the first power battery 20 and the top cover frame 11 form a high-strength integral structure.

In some embodiments of the present invention, the plurality of cells 21 may form multiple groups of cells, and the plurality of cells 21 in each group of cells may be stacked in the height direction of the vehicle 100 , and in the width of the vehicle 100 . direction, adjacent cell groups can be spaced apart. It should be noted that the plurality of cells 21 in the first power battery 20 may form multiple groups of cells, and in the height direction of the vehicle 100 , the plurality of cells 21 in each group of cells may be stacked and arranged. Adjacent battery cell groups can be spaced apart in the width direction of the vehicle 100 . Such arrangement can facilitate the installation and removal of the first power battery 20 , improve the installation and removal efficiency of the first power battery 20 , and save the first power battery 20 . The space occupied by the power battery 20.

In some embodiments of the present invention, the vehicle 100 may further include: at least one second power battery 30, the vehicle body 10 may further have a floor frame 12, the floor frame 12 may be located between the front and rear wheels of the vehicle 100, the second The power battery 30 may be disposed below the floor frame 12 . It should be noted that the number of the second power battery 30 may be one, and the number of the second power battery 30 may also be multiple. The floor frame 12 may be provided between the front wheel and the rear wheel of the vehicle 100 , and the second power battery The battery 30 may be disposed on the floor frame 12 , and in the height direction of the vehicle 100 , one or more second power batteries 30 may be disposed under the floor frame 12 , specifically, the second power battery 30 may also be composed of a plurality of cells 21 composition, in the height direction of the vehicle 100, the plurality of cells 21 of the second power battery 30 can be arranged in a single layer or stacked, so that the plurality of cells 21 in the second power battery 30 do not need to be arranged as a battery module, which is different from the current Compared with the prior art, more cells 21 can be set in the second power battery 30, so that the energy density of the second power battery 30 can be improved, so that the vehicle 100 can have a longer mileage, and the second power battery 30 can have a longer driving range. The first power battery 20 and the second power battery 30 adopt different thermal management methods respectively, which is beneficial to ensure the temperature consistency of the cells 21 in the first power battery 20 and the second power battery 30, so that the battery cells 21 can be prolonged. service life.

Moreover, since the vehicle 100 does not arrange the power battery pack in the rear area of the rear suspension, the length of the rear suspension can be shortened, so that the wheelbase of the vehicle 100 can be increased, the space of the low-floor passenger area can be increased, and the rear suspension passenger area can be increased. The space in the height direction can also increase the arrangement space of the powertrain of the vehicle 100 .

As some embodiments of the present invention, the cells 21 in the second power battery 30 may also be configured as flat structures. It should be explained that, in the height direction of the vehicle 100 , the cells 21 in the second power battery 30 may be single-layered or stacked. A plurality of cells 21 are provided, and the cells 21 provided in the second power battery 30 may be configured as flat-shaped structures. Preferably, the cells 21 provided in the second power battery 30 may be configured as long cells with a flat-shaped structure. 21. Preferably, the cells 21 provided in the second power battery 30 are set in a rectangular structure or a square structure. It should be noted that the single cell 21 of the long battery cell 21 has a high electric power, and this setting can improve the second power battery 30. The space utilization rate of the vehicle 100 can be improved, and the total power of the second power battery 30 can also be increased, so that the driving range of the vehicle 100 can be improved.

It should be explained that by constructing the battery cell 21 into a flat structure, the height of the center of mass of the second power battery 30 can be reduced, thereby the height of the center of mass of the vehicle 100 can be reduced, the vehicle 100 can be guaranteed to have a larger roll angle, and the To some extent, the vehicle 100 can be prevented from rolling over when turning, which can improve the driving safety of the vehicle 100 .

In some embodiments of the present invention, as shown in FIG. 2 and FIG. 4 , the height of the lowest point of the lower surface of the second power battery 30 may be higher than the height of the lower surface of the side skirt 15 of the body of the vehicle 100 . It should be explained that After the second power battery 30 is installed on the floor frame 12, the upper plane of the second power battery 30 may be lower than the lower plane of the low floor area of the vehicle 100, and the height of the lowest point of the lower surface of the second power battery 30 may be higher than the side The height of the highest point of the lower surface of the apron edge 15 can be set in this way without changing the floor height in the wheelbase area of the vehicle 100, without affecting the first step height and the height of the low floor area of the vehicle 100, so as to ensure that passengers can The convenience of getting on and off the vehicle can improve the riding experience of passengers, and can also avoid affecting the wheelbase length, longitudinal passing angle and ground clearance of the vehicle 100 due to the installation of the second power battery 30 on the floor frame 12 , thereby It is possible to avoid affecting the passability of the vehicle 100 due to the installation of the second power battery 30 on the floor frame 12 .

In some embodiments of the present invention, as shown in FIG. 2 and FIG. 3 , the floor frame 12 may be formed with a plurality of battery installation areas 14 , the second power battery 30 may be formed in plurality, and the plurality of battery installation areas 14 may be formed with a plurality of battery installation areas 14 . The second power batteries 30 may be provided in a one-to-one correspondence. It should be noted that, a plurality of battery installation areas 14 can be arranged on the floor frame 12 , and a plurality of second power batteries 30 can be installed at the plurality of battery installation areas 14 respectively. In this way, the second power battery 30 can be arranged according to the needs of the vehicle 100 . The number of power batteries 30 can be adjusted according to the installation position of the second power battery 30, so that the flexibility of the arrangement of the second power battery 30 can be improved, and the second power battery 30 can be easily removed from the bottom of the vehicle 100. , the disassembly efficiency of the second power battery 30 can be improved.

As some embodiments of the present invention, in the layout design of the vehicle 100, by forming the floor frame 12 to form a plurality of battery installation areas 14, and the plurality of battery installation areas 14 are arranged in a one-to-one correspondence with the plurality of second power batteries 30, it is possible to It is convenient to adjust the number of the second power batteries 30 or use flat battery packs of different lengths to form different total electric charge gradients, so as to meet market customers' requirements for different driving distances of the vehicle 100 to the greatest extent.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In the description of the present invention, the first feature "above", "over" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is level higher than Second feature.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (14)

1. A vehicle, characterized in that, comprising: a body having a roof frame; A first power battery, the first power battery is arranged on the top cover frame, the first power battery includes a battery bottom plate, a battery upper cover and a plurality of battery cells, and a plurality of the battery cells are sandwiched between the battery cells Between the bottom plate and the battery upper cover, a plurality of the battery cells are stacked in the height direction of the vehicle. 2 . The vehicle according to claim 1 , wherein the battery bottom plate is fixedly connected with the roof frame. 3 . 3. The vehicle of claim 1, wherein the cell is configured as a flat structure. 4 . The vehicle according to claim 1 , wherein the first power battery further comprises: a mounting bracket, a battery side beam is provided on the edge of the battery bottom plate, and the mounting bracket is clamped on the battery. 5 . Between the cover and the battery side beam, the mounting frame is connected with the top cover frame. 5 . The vehicle according to claim 4 , wherein the mounting frame comprises: a first connecting plate, the first connecting plate is sandwiched between the battery upper cover and the battery side beam, and the 5 . A part of the structure of the first connecting plate extends out of the first power battery and is suitable for connecting with the top cover frame. 6 . The vehicle according to claim 5 , wherein the mounting bracket further comprises: a second connecting plate and a vertical plate, the vertical plate being connected to the first connecting plate and the second connecting plate. 7 . between the plates, and the second connecting plate and the vertical plate are located in the first power battery. 7 . The vehicle according to claim 1 , wherein the first power battery further comprises: a partition plate, and the said battery is sandwiched between at least two adjacent said cells among the plurality of said cells. 8 . spacer. 8. The vehicle of claim 7, wherein the spacer panel is a hollow panel. 9 . The vehicle according to claim 8 , wherein the partition plate is provided with a plurality of holes, and the plurality of holes are parallel to each other. 10 . 10. The vehicle of claim 8, wherein the spacer panel is a honeycomb panel. 11 . The vehicle according to claim 1 , wherein a plurality of the battery cells form a plurality of groups of battery cells, and the plurality of the battery cells in each group of the battery cells are at the height of the vehicle. 12 . direction stacking settings; In the width direction of the vehicle, the adjacent cell groups are spaced apart. 12 . The vehicle of claim 1 , further comprising: at least one second power battery, the vehicle body further having a floor frame, the floor frame being located between the front and rear wheels of the vehicle, 12 . The second power battery is arranged below the floor frame. 13 . The vehicle of claim 12 , wherein the height of the lowest point of the lower surface of the second power battery is higher than the height of the lower surface of the apron of the vehicle body side. 14 . 14 . The vehicle according to claim 12 , wherein the floor frame is formed with a plurality of battery installation areas, a plurality of the second power batteries, a plurality of the battery installation areas and a plurality of the first power batteries. 15 . The two power batteries correspond one by one.

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