WO2024036830A1 - Vehicle chassis and vehicle - Google Patents

Vehicle chassis and vehicle Download PDF

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Publication number
WO2024036830A1
WO2024036830A1 PCT/CN2022/137540 CN2022137540W WO2024036830A1 WO 2024036830 A1 WO2024036830 A1 WO 2024036830A1 CN 2022137540 W CN2022137540 W CN 2022137540W WO 2024036830 A1 WO2024036830 A1 WO 2024036830A1
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WO
WIPO (PCT)
Prior art keywords
side plate
housing
vehicle chassis
vehicle
pipeline
Prior art date
Application number
PCT/CN2022/137540
Other languages
French (fr)
Chinese (zh)
Inventor
孙桦
范风魁
方超
李鹏
卢若振
Original Assignee
合众新能源汽车股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 合众新能源汽车股份有限公司 filed Critical 合众新能源汽车股份有限公司
Publication of WO2024036830A1 publication Critical patent/WO2024036830A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/08—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20—Floors or bottom sub-units
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings

Definitions

  • the present disclosure relates to the field of new energy vehicles, and in particular, to a vehicle chassis and a vehicle.
  • pure electric vehicles generally adopt a structure in which the battery pack is laid flat on the floor.
  • the body structure floor and the battery pack are independent of each other.
  • the cooling pipeline, brake pipeline, etc. are arranged outside the battery pack, leaving the vehicle space.
  • the low utilization rate is not conducive to improving the battery's cruising range and human-machine comfort, and affects the passenger's riding experience.
  • Some embodiments of the present disclosure provide a vehicle chassis and a vehicle to alleviate the problem of low vehicle space utilization.
  • a vehicle chassis including:
  • a battery system is located below the vehicle body floor.
  • the battery system includes a casing and a battery module located in the casing.
  • the casing includes a side plate, and the side plate is provided with a battery module along the side. a receiving portion extending lengthwise of the board;
  • the pipeline is located in the receiving part.
  • the lines include at least one of a brake line and a cooling line.
  • the side panel includes a first side panel and a second side panel that are oppositely arranged, and the length direction of the first side panel and the second side panel is consistent with the front and rear direction of the vehicle chassis,
  • the pipeline is provided in the receiving portion of the first side plate and the second side plate.
  • the pipeline includes a first cooling pipeline and a second cooling pipeline.
  • the first cooling pipeline is provided in the receiving portion of the first side plate
  • the second cooling pipeline is provided in the receiving portion of the first side plate.
  • the first cooling pipeline and the second cooling pipeline form a cooling circuit.
  • the housing further includes a bottom plate provided at the bottom of the side plate, the bottom plate is configured to close the bottom of the housing, the top of the housing is open, and the bottom of the housing is open.
  • the top is connected to the body floor.
  • a sealing member is further included, and the sealing member is provided at a circumferential connection between the top of the housing and the vehicle body floor.
  • the side plates include a first side plate, a second side plate, a third side plate and a fourth side plate that enclose an annular space, and the first side plate and the second side plate are opposite to each other.
  • the third side plate and the fourth side plate are arranged oppositely and extend along the left and right directions of the vehicle chassis.
  • the pipeline is provided on the first side. board and the receiving portion of the second side panel.
  • the receiving portion includes a hole or a groove provided on the side plate.
  • the battery system further includes at least one partition plate disposed in the housing, the at least one partition plate divides the space in the housing into at least two cavities, and the battery The module is disposed in the at least two cavities.
  • a vehicle including the above-mentioned vehicle chassis.
  • the vehicle chassis includes a vehicle body floor, a battery system and pipelines; the battery system is located under the vehicle body floor; the battery system includes a casing and a battery module disposed in the casing; the casing includes side panels, and the side panels There is an accommodating part extending along the length direction of the side plate; the pipeline is arranged in the accommodating part, which does not occupy the internal space of the casing and does not increase the volume of the battery system, so that the vehicle space utilization rate is high.
  • Figure 1 is a schematic structural diagram of a vehicle chassis according to some embodiments of the present disclosure
  • Figure 2 is an exploded structural schematic diagram of a vehicle chassis provided according to some embodiments of the present disclosure
  • Figure 3 is a schematic cross-sectional view along line A-A of Figure 1;
  • FIG. 4 is an enlarged schematic diagram of the partial structure B in FIG. 3 .
  • the "front”, “rear”, “left” and “right” directions shown in Figures 1 and 2 are defined as: the upstream of the normal driving direction of the vehicle is “front” and the downstream is “rear”.
  • the left and right directions on the chair are the “left” and “right” directions shown in Figures 1 and 2.
  • a vehicle chassis includes a body floor 1 , a battery system 2 and pipelines 3 .
  • the battery system 2 is provided below the vehicle body floor 1.
  • the battery system 2 includes a housing 21 and a battery module 22 located in the housing 21.
  • the housing 21 includes a side plate 23, and the side plate 23 is provided with a battery along the side plate 23.
  • the receiving portion 4 extends in the length direction.
  • the pipeline 3 is provided in the accommodating part 4 .
  • the pipeline 3 is provided in the receiving portion 4 of the side panel 23 of the battery system 2, does not occupy the internal space of the housing 21, and does not increase the volume of the battery system 2.
  • the vehicle space utilization rate is high, and the body of the vehicle chassis can be
  • the floor 1 and the battery system 2 have a high degree of integration, which is conducive to the lightweight, integration and modularization of the vehicle chassis.
  • line 3 includes at least one of brake line 31 and cooling line 32 .
  • pipeline 3 may also include signal transmission lines or wires, etc.
  • At least one of the brake pipeline 31 and the cooling pipeline 32 is arranged in the battery system 2 of the vehicle chassis and is provided in the receiving portion 4 of the side plate 23 of the housing 21 to ensure that the pipeline does not occupy the battery system 2
  • the space in the middle case 2 is used to accommodate the battery module 22 without increasing the external volume of the case 2 of the battery system 2. Therefore, the space occupation rate of the battery system 2 is reduced, and it is conducive to increasing the battery life of the battery system 2. mileage.
  • the side plate 23 includes a first side plate 231 and a second side plate 232 that are oppositely arranged.
  • the length direction of the first side plate 231 and the second side plate 232 is consistent with the front and rear direction of the vehicle chassis.
  • the pipeline 3 is provided in the receiving portion 4 of the first side plate 231 and the second side plate 232 .
  • the brake pipeline and/or the cooling pipeline are installed in the receiving portion 4 of the first side plate 231 and the second side plate 232 of the housing 21 without occupying the battery module. 22 of installation space will not increase the external volume of the housing 2 of the battery system 2, improve the cruising range of the battery system 2, and reduce the space occupation rate of the battery system 2.
  • the pipeline 3 includes a second cooling pipeline 301 and a second cooling pipeline 302.
  • the second cooling pipeline 301 is provided in the receiving portion 4 of the first side plate 231
  • the second cooling pipeline 302 is provided in the receiving portion 4 of the first side plate 231.
  • the second cooling pipeline 301 and the second cooling pipeline 302 form a cooling circuit.
  • the second cooling pipe 301 and the second cooling pipe 302 form a cooling circuit.
  • the refrigerant flows in from the second cooling pipe 301, performs heat exchange and reduces the temperature, and then flows out from the second cooling pipe 302.
  • the housing 21 further includes a bottom plate 24 provided at the bottom of the side panel 23 .
  • the bottom plate 24 is configured to close the bottom of the housing 21 .
  • the top of the housing 21 is open, and the top of the housing 21 is connected to the vehicle body floor. 1.
  • the top of the housing 21 is open, and the bottom is closed by a bottom plate 24 .
  • the top of the housing 21 is connected to the body floor 1 and is located below the body floor 1.
  • a space for accommodating the battery module 22 is formed between the body floor 1 and the housing 21.
  • the body floor 1 is located on the top of the housing 1, which is equivalent to The top plate of the casing 21 eliminates a component and does not need to reserve a safety gap between the body floor 1 and the top plate of the battery system 2.
  • connection between the system and the body layout is more reasonable and compact, and this space can be used to improve the passability of the vehicle or make the human-machine layout space more reasonable, which is conducive to improving the passengers' experience of the vehicle.
  • the top plate of the battery system 2 and the body floor 1 share the same plate, which reduces the weight of the entire vehicle, realizes a modular organization of the chassis/battery system, and reduces the spraying of anti-corrosion materials, thereby making the entire vehicle Development costs are greatly reduced, improving the competitiveness of vehicles.
  • the top surface of the body floor 1 has a flat structure, which makes the body chassis flatter, can reduce wind resistance, and improve the power economy of the entire vehicle.
  • the vehicle chassis further includes a seal 4 , which is provided at a connection between the top of the housing 21 and the body floor 1 in the circumferential direction.
  • a seal 4 is provided at the connection between the top of the housing 21 and the body floor 1 in the circumferential direction, that is, a seal 4 is provided at the connection between the top of the circumferential side plate of the housing 21 and the body floor 1 to ensure the sealing effect.
  • the seal 4 includes sealant.
  • the side plate 23 includes a first side plate 231 , a second side plate 232 , a third side plate 233 and a fourth side plate 234 that enclose an annular space.
  • the first side plate 231 and the second side plate 232 The third side plate 233 and the fourth side plate 234 are arranged oppositely and extend along the front and rear directions of the vehicle chassis.
  • the pipeline 3 is provided on the first side plate 231 and the second side plate 232 . inside the accommodating part 4.
  • the third side plate 233 and the fourth side plate 234 are the front and rear guards of the battery module 22 ; the first side plate 231 and the second side plate 232 are the left and right guards of the battery module 22 .
  • Brake pipelines and/or cooling pipelines are installed in the receiving portions 4 of the first side plate 231 and the second side plate 232 .
  • the receiving portion 4 includes holes or slots provided on the side plate 23 .
  • the housing 21 further includes a bottom plate 24 that closes the bottom of the annular space.
  • the bottom plate 24 is threaded or welded to the first side plate 231 , the second side plate 232 , the third side plate 233 and the fourth side plate 234 .
  • the body floor 1 closes the top of the annular space, and the body floor 1 is threaded or welded to the first side plate 231 , the second side plate 232 , the third side plate 233 and the fourth side plate 234 .
  • the first side panel 231 , the second side panel 232 , the third side panel 233 and the fourth side panel 234 form a vehicle body frame, and the vehicle body floor 1 , bottom panel 24 , battery module 22 and other components form a The whole body is uniformly installed on the body frame to form an integrated vehicle chassis with an integrated energy storage system.
  • the battery system 2 further includes at least one partition plate 25 provided in the housing 21 .
  • the at least one partition plate 25 divides the space in the housing 21 into at least two cavities.
  • the battery module 22 Located in at least two cavities.
  • the partition plate 25 is provided in the casing 21 of the battery system 2, which can improve the strength of the casing 21 and the battery system 2.
  • At least one partition plate 25 includes a first partition plate, a second partition plate and a third partition plate.
  • the plates are respectively welded to the front, middle and rear sections of the housing 21 and separate the battery modules 22 at the same time.
  • the vehicle body floor 1 is a regular rectangular metal plate.
  • the first side plate 231 , the second side plate 232 , the third side plate 233 and the fourth side plate 234 are made of rectangular aluminum profiles.
  • the body floor 1 is connected and fixed with the first side panel 231 , the second side panel 232 , the third side panel 233 and the fourth side panel 234 by welding, which can ensure the fixing strength.
  • the bottom plate 24 is a regular rectangular metal plate.
  • the bottom plate 24 is screwed to the first side plate 231 , the second side plate 232 , the third side plate 233 and the fourth side plate 234 to support the independent battery module and facilitate later maintenance.
  • Some embodiments also provide a vehicle, which includes the above-mentioned vehicle chassis.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The present disclosure relates to a vehicle chassis and a vehicle. The vehicle chassis comprises: a vehicle body floor; a battery system provided below the vehicle body floor, wherein the battery system comprises a housing and a battery module arranged in the housing, the housing comprises a side plate, and accommodating parts extending in the length direction of the side plate are arranged on the side plate; and a line provided in the accommodating parts. The line is arranged in the accommodating parts, and therefore does not occupy the internal space of the housing and does not cause increase of the size of the battery system, and thus the utilization rate of vehicle space is high.

Description

车辆底盘及车辆Vehicle chassis and vehicles
本公开是以CN申请号为202222177963.1，申请日为2022年8月18日的申请为This disclosure is based on the CN application number 202222177963.1 and the application date is August 18, 2022. 基础，并主张其优先权，该CN申请的公开内容在此作为整体引入本申请中。basis, and claims its priority, the disclosure content of the CN application is hereby incorporated into this application as a whole.
技术领域Technical field
本公开涉及新能源车辆领域，尤其涉及一种车辆底盘及车辆。The present disclosure relates to the field of new energy vehicles, and in particular, to a vehicle chassis and a vehicle.
背景技术Background technique
近年来，随着新能源电动汽车行业的蓬勃发展，人们对新能源汽车的续航里程的要求也越来越高。在一些相关技术中，纯电动车一般采用电池包平铺在地板上的结构，车身结构地板与电池包两者相互独立，冷却管路、制动管路等布置在电池包的外部，车辆空间利用率低，不利于提升电池的续航里程及人机舒适性，影响了乘客的乘车体验。In recent years, with the vigorous development of the new energy electric vehicle industry, people have increasingly higher requirements for the cruising range of new energy vehicles. In some related technologies, pure electric vehicles generally adopt a structure in which the battery pack is laid flat on the floor. The body structure floor and the battery pack are independent of each other. The cooling pipeline, brake pipeline, etc. are arranged outside the battery pack, leaving the vehicle space The low utilization rate is not conducive to improving the battery's cruising range and human-machine comfort, and affects the passenger's riding experience.
发明内容Contents of the invention
本公开的一些实施例提出一种车辆底盘及车辆，用于缓解车辆空间利用率低的问题。Some embodiments of the present disclosure provide a vehicle chassis and a vehicle to alleviate the problem of low vehicle space utilization.
在本公开的一个方面，提供一种车辆底盘，包括：In one aspect of the present disclosure, a vehicle chassis is provided, including:
车身地板；body floor;
电池***，设于所述车身地板的下方，所述电池***包括壳体和设于所述壳体内的电池模组，所述壳体包括侧板，所述侧板上设有沿所述侧板的长度方向延伸的容纳部；以及A battery system is located below the vehicle body floor. The battery system includes a casing and a battery module located in the casing. The casing includes a side plate, and the side plate is provided with a battery module along the side. a receiving portion extending lengthwise of the board; and
管线，设于所述容纳部内。The pipeline is located in the receiving part.
在一些实施例中，所述管线包括制动管路和冷却管路的至少之一。In some embodiments, the lines include at least one of a brake line and a cooling line.
在一些实施例中，所述侧板包括相对设置的第一侧板和第二侧板，所述第一侧板和所述第二侧板的长度方向与所述车辆底盘的前后方向一致，所述管线设于所述第一侧板和所述第二侧板的容纳部内。In some embodiments, the side panel includes a first side panel and a second side panel that are oppositely arranged, and the length direction of the first side panel and the second side panel is consistent with the front and rear direction of the vehicle chassis, The pipeline is provided in the receiving portion of the first side plate and the second side plate.
在一些实施例中，所述管线包括第一冷却管路和第二冷却管路，所述第一冷却管路设于所述第一侧板的容纳部内，所述第二冷却管路设于所述第二侧板的容纳部内， 所述第一冷却管路和所述第二冷却管路形成冷却回路。In some embodiments, the pipeline includes a first cooling pipeline and a second cooling pipeline. The first cooling pipeline is provided in the receiving portion of the first side plate, and the second cooling pipeline is provided in the receiving portion of the first side plate. In the receiving portion of the second side plate, the first cooling pipeline and the second cooling pipeline form a cooling circuit.
在一些实施例中，所述壳体还包括设于所述侧板的底部的底板，所述底板被配置为封闭所述壳体的底部，所述壳体的顶部开口，所述壳体的顶部连接于所述车身地板。In some embodiments, the housing further includes a bottom plate provided at the bottom of the side plate, the bottom plate is configured to close the bottom of the housing, the top of the housing is open, and the bottom of the housing is open. The top is connected to the body floor.
在一些实施例中，还包括密封件，所述密封件设于所述壳体的顶部的周向与所述车身地板的连接处。In some embodiments, a sealing member is further included, and the sealing member is provided at a circumferential connection between the top of the housing and the vehicle body floor.
在一些实施例中，所述侧板包括围成环形空间的第一侧板、第二侧板、第三侧板和第四侧板，所述第一侧板和所述第二侧板相对设置，且沿所述车辆底盘的前后方向延伸，所述第三侧板和所述第四侧板相对设置，且沿所述车辆底盘的左右方向延伸，所述管线设于所述第一侧板和所述第二侧板的容纳部内。In some embodiments, the side plates include a first side plate, a second side plate, a third side plate and a fourth side plate that enclose an annular space, and the first side plate and the second side plate are opposite to each other. The third side plate and the fourth side plate are arranged oppositely and extend along the left and right directions of the vehicle chassis. The pipeline is provided on the first side. board and the receiving portion of the second side panel.
在一些实施例中，所述容纳部包括设于所述侧板上的孔或槽。In some embodiments, the receiving portion includes a hole or a groove provided on the side plate.
在一些实施例中，所述电池***还包括设于所述壳体内的至少一个分隔板，所述至少一个分隔板将所述壳体内的空间分隔为至少两个空腔，所述电池模组设于所述至少两个空腔内。In some embodiments, the battery system further includes at least one partition plate disposed in the housing, the at least one partition plate divides the space in the housing into at least two cavities, and the battery The module is disposed in the at least two cavities.
在本公开的一个方面，提供一种车辆，包括上述的车辆底盘。In one aspect of the present disclosure, a vehicle is provided, including the above-mentioned vehicle chassis.
基于上述技术方案，本公开至少具有以下有益效果：Based on the above technical solutions, the present disclosure has at least the following beneficial effects:
在一些实施例中，车辆底盘包括车身地板、电池***和管线；电池***设于车身地板的下方，电池***包括壳体和设于壳体内的电池模组，壳体包括侧板，侧板上设有沿侧板的长度方向延伸的容纳部；管线设于容纳部内，不会占用壳体的内部空间，且不会增大电池***的体积，车辆空间利用率高。In some embodiments, the vehicle chassis includes a vehicle body floor, a battery system and pipelines; the battery system is located under the vehicle body floor; the battery system includes a casing and a battery module disposed in the casing; the casing includes side panels, and the side panels There is an accommodating part extending along the length direction of the side plate; the pipeline is arranged in the accommodating part, which does not occupy the internal space of the casing and does not increase the volume of the battery system, so that the vehicle space utilization rate is high.
附图说明Description of drawings
此处所说明的附图用来提供对本公开的进一步理解，构成本申请的一部分，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：The drawings described here are used to provide a further understanding of the present disclosure and constitute a part of the present application. The illustrative embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute an improper limitation of the present disclosure. In the attached picture:
图1为根据本公开一些实施例提供的车辆底盘的结构示意图；Figure 1 is a schematic structural diagram of a vehicle chassis according to some embodiments of the present disclosure;
图2为根据本公开一些实施例提供的车辆底盘的拆分结构示意图；Figure 2 is an exploded structural schematic diagram of a vehicle chassis provided according to some embodiments of the present disclosure;
图3为图1的A-A剖视示意图；Figure 3 is a schematic cross-sectional view along line A-A of Figure 1;
图4为图3中的局部结构B的放大示意图。FIG. 4 is an enlarged schematic diagram of the partial structure B in FIG. 3 .
具体实施方式Detailed ways
下面将结合本公开实施例中的附图，对实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本公开的一部分实施例，而不是全部的实施例。基于本公开的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only some of the embodiments of the present disclosure, but not all of the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present disclosure.
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开保护范围的限制。In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and are not indicated or implied. The devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the present disclosure.
图1和图2中所示的“前”、“后”、“左”、“右”方向定义为：车辆正常行驶方向的上游为“前”，下游为“后”，乘坐人员坐在座椅上的左右方向为图1和图2中所示的“左”、“右”方向。The "front", "rear", "left" and "right" directions shown in Figures 1 and 2 are defined as: the upstream of the normal driving direction of the vehicle is "front" and the downstream is "rear". The left and right directions on the chair are the "left" and "right" directions shown in Figures 1 and 2.
参考图1至图4，在一些实施例中，车辆底盘包括车身地板1、电池***2和管线3。Referring to FIGS. 1 to 4 , in some embodiments, a vehicle chassis includes a body floor 1 , a battery system 2 and pipelines 3 .
电池***2设于车身地板1的下方，电池***2包括壳体21和设于壳体21内的电池模组22，壳体21包括侧板23，侧板23上设有沿侧板23的长度方向延伸的容纳部4。管线3设于容纳部4内。The battery system 2 is provided below the vehicle body floor 1. The battery system 2 includes a housing 21 and a battery module 22 located in the housing 21. The housing 21 includes a side plate 23, and the side plate 23 is provided with a battery along the side plate 23. The receiving portion 4 extends in the length direction. The pipeline 3 is provided in the accommodating part 4 .
管线3设于电池***2的侧板23的容纳部4内，不会占用壳体21的内部空间，且不会增大电池***2的体积，车辆空间利用率高，能够使车辆底盘的车身地板1与电池***2的集成化程度高，利于实现车辆底盘的轻量化、一体化和模块化。The pipeline 3 is provided in the receiving portion 4 of the side panel 23 of the battery system 2, does not occupy the internal space of the housing 21, and does not increase the volume of the battery system 2. The vehicle space utilization rate is high, and the body of the vehicle chassis can be The floor 1 and the battery system 2 have a high degree of integration, which is conducive to the lightweight, integration and modularization of the vehicle chassis.
在一些实施例中，管线3包括制动管路31和冷却管路32的至少之一。In some embodiments, line 3 includes at least one of brake line 31 and cooling line 32 .
当然，管线3还可以包括信号传输线或电线等。Of course, the pipeline 3 may also include signal transmission lines or wires, etc.
制动管路31和冷却管路32的至少之一布置在车辆底盘的电池***2中，且设置在壳体21的侧板23的容纳部4内，以保证管路不会占用电池***2中壳体2内用于容纳电池模组22的空间，且不会增加电池***2的壳体2的外部体积，因此，降低了电池***2的空间占用率，且利于增加电池***2的续航里程。At least one of the brake pipeline 31 and the cooling pipeline 32 is arranged in the battery system 2 of the vehicle chassis and is provided in the receiving portion 4 of the side plate 23 of the housing 21 to ensure that the pipeline does not occupy the battery system 2 The space in the middle case 2 is used to accommodate the battery module 22 without increasing the external volume of the case 2 of the battery system 2. Therefore, the space occupation rate of the battery system 2 is reduced, and it is conducive to increasing the battery life of the battery system 2. mileage.
在一些实施例中，侧板23包括相对设置的第一侧板231和第二侧板232，第一侧板231和第二侧板232的长度方向与车辆底盘的前后方向一致，管线3设于第一侧板 231和第二侧板232的容纳部4内。In some embodiments, the side plate 23 includes a first side plate 231 and a second side plate 232 that are oppositely arranged. The length direction of the first side plate 231 and the second side plate 232 is consistent with the front and rear direction of the vehicle chassis. The pipeline 3 is provided in the receiving portion 4 of the first side plate 231 and the second side plate 232 .
为保证电池模组22具有最大化空间，制动管路和/或冷却管路在壳体21的第一侧板231和第二侧板232的容纳部4内安装，不会占用电池模组22的安装空间，也不会增加电池***2的壳体2的外部体积，提高了电池***2的续航里程，降低了电池***2的空间占用率。In order to ensure that the battery module 22 has maximum space, the brake pipeline and/or the cooling pipeline are installed in the receiving portion 4 of the first side plate 231 and the second side plate 232 of the housing 21 without occupying the battery module. 22 of installation space will not increase the external volume of the housing 2 of the battery system 2, improve the cruising range of the battery system 2, and reduce the space occupation rate of the battery system 2.
在一些实施例中，管线3包括第二冷却管路301和第二冷却管路302，第二冷却管路301设于第一侧板231的容纳部4内，第二冷却管路302设于第二侧板232的容纳部4内，第二冷却管路301和第二冷却管路302形成冷却回路。In some embodiments, the pipeline 3 includes a second cooling pipeline 301 and a second cooling pipeline 302. The second cooling pipeline 301 is provided in the receiving portion 4 of the first side plate 231, and the second cooling pipeline 302 is provided in the receiving portion 4 of the first side plate 231. In the receiving portion 4 of the second side plate 232, the second cooling pipeline 301 and the second cooling pipeline 302 form a cooling circuit.
第二冷却管路301和第二冷却管路302形成冷却回路，冷媒从第二冷却管路301流入，进行换热降温后，从第二冷却管路302流出。The second cooling pipe 301 and the second cooling pipe 302 form a cooling circuit. The refrigerant flows in from the second cooling pipe 301, performs heat exchange and reduces the temperature, and then flows out from the second cooling pipe 302.
在一些实施例中，壳体21还包括设于侧板23的底部的底板24，底板24被配置为封闭壳体21的底部，壳体21的顶部开口，壳体21的顶部连接于车身地板1。In some embodiments, the housing 21 further includes a bottom plate 24 provided at the bottom of the side panel 23 . The bottom plate 24 is configured to close the bottom of the housing 21 . The top of the housing 21 is open, and the top of the housing 21 is connected to the vehicle body floor. 1.
壳体21的顶部敞口，底部通过底板24封闭。壳体21的顶部连接于车身地板1，且位于车身地板1的下方，车身地板1与壳体21之间形成容纳电池模组22的空间，车身地板1设于壳体1的顶部，相当于壳体21的顶板，省去了一个部件，不需要预留车身地板1与电池***2的顶板之间的安全间隙，降低了传统车身地板到电池***的底板之间的垂向距离，使电池***与车身布置连接形式更加合理、紧凑，且这部分空间可用于提升整车通过性或使人机布置空间更合理，有利于提升乘坐人员对于整车的体验感。The top of the housing 21 is open, and the bottom is closed by a bottom plate 24 . The top of the housing 21 is connected to the body floor 1 and is located below the body floor 1. A space for accommodating the battery module 22 is formed between the body floor 1 and the housing 21. The body floor 1 is located on the top of the housing 1, which is equivalent to The top plate of the casing 21 eliminates a component and does not need to reserve a safety gap between the body floor 1 and the top plate of the battery system 2. This reduces the vertical distance between the traditional body floor and the bottom plate of the battery system, making the battery The connection between the system and the body layout is more reasonable and compact, and this space can be used to improve the passability of the vehicle or make the human-machine layout space more reasonable, which is conducive to improving the passengers' experience of the vehicle.
在一些实施例中，电池***2的顶板与车身地板1共用同一块板，减轻了整车的重量，并且实现了底盘/电池***的模块化组织，减少了防腐材料的喷涂，从而使整车开发成本大大降低，提升车辆的竞争力。In some embodiments, the top plate of the battery system 2 and the body floor 1 share the same plate, which reduces the weight of the entire vehicle, realizes a modular organization of the chassis/battery system, and reduces the spraying of anti-corrosion materials, thereby making the entire vehicle Development costs are greatly reduced, improving the competitiveness of vehicles.
在一些实施例中，车身地板1的顶面为平面结构，使车身底盘更加平整，能够降低风阻，提升整车动力经济性。In some embodiments, the top surface of the body floor 1 has a flat structure, which makes the body chassis flatter, can reduce wind resistance, and improve the power economy of the entire vehicle.
在一些实施例中，车辆底盘还包括密封件4，密封件4设于壳体21的顶部的周向与车身地板1的连接处。In some embodiments, the vehicle chassis further includes a seal 4 , which is provided at a connection between the top of the housing 21 and the body floor 1 in the circumferential direction.
壳体21的顶部的周向与车身地板1的连接处设置密封件4，也就是壳体21的周向侧板的顶部与车身地板1的连接处设置密封件4，能够保证密封效果。A seal 4 is provided at the connection between the top of the housing 21 and the body floor 1 in the circumferential direction, that is, a seal 4 is provided at the connection between the top of the circumferential side plate of the housing 21 and the body floor 1 to ensure the sealing effect.
可选地，密封件4包括密封胶。Optionally, the seal 4 includes sealant.
在一些实施例中，侧板23包括围成环形空间的第一侧板231、第二侧板232、第三侧板233和第四侧板234，第一侧板231和第二侧板232相对设置，且沿车辆底盘的前后方向延伸，第三侧板233和第四侧板234相对设置，且沿车辆底盘的左右方向延伸，管线3设于第一侧板231和第二侧板232的容纳部4内。In some embodiments, the side plate 23 includes a first side plate 231 , a second side plate 232 , a third side plate 233 and a fourth side plate 234 that enclose an annular space. The first side plate 231 and the second side plate 232 The third side plate 233 and the fourth side plate 234 are arranged oppositely and extend along the front and rear directions of the vehicle chassis. The pipeline 3 is provided on the first side plate 231 and the second side plate 232 . inside the accommodating part 4.
第三侧板233和第四侧板234为电池模组22的前后护板；第一侧板231和第二侧板232为电池模组22的左右护板。The third side plate 233 and the fourth side plate 234 are the front and rear guards of the battery module 22 ; the first side plate 231 and the second side plate 232 are the left and right guards of the battery module 22 .
第一侧板231和第二侧板232的容纳部4内安装有制动管路和/或冷却管路。Brake pipelines and/or cooling pipelines are installed in the receiving portions 4 of the first side plate 231 and the second side plate 232 .
在一些实施例中，容纳部4包括设于侧板23上的孔或槽。In some embodiments, the receiving portion 4 includes holes or slots provided on the side plate 23 .
在一些实施例中，壳体21还包括封闭环形空间的底部的底板24，底板24与第一侧板231、第二侧板232、第三侧板233和第四侧板234螺纹连接或焊接。In some embodiments, the housing 21 further includes a bottom plate 24 that closes the bottom of the annular space. The bottom plate 24 is threaded or welded to the first side plate 231 , the second side plate 232 , the third side plate 233 and the fourth side plate 234 .
在一些实施例中，车身地板1封闭环形空间的顶部，车身地板1与第一侧板231、第二侧板232、第三侧板233和第四侧板234螺纹连接或焊接。In some embodiments, the body floor 1 closes the top of the annular space, and the body floor 1 is threaded or welded to the first side plate 231 , the second side plate 232 , the third side plate 233 and the fourth side plate 234 .
在一些实施例中，第一侧板231、第二侧板232、第三侧板233和第四侧板234围成车身框架，车身地板1、底板24、电池模组22及其他组件形成一个整体，统一安装在车身框架上，形成一个集成有能量储存***的一体化的车辆底盘。In some embodiments, the first side panel 231 , the second side panel 232 , the third side panel 233 and the fourth side panel 234 form a vehicle body frame, and the vehicle body floor 1 , bottom panel 24 , battery module 22 and other components form a The whole body is uniformly installed on the body frame to form an integrated vehicle chassis with an integrated energy storage system.
在一些实施例中，电池***2还包括设于壳体21内的至少一个分隔板25，至少一个分隔板25将壳体21内的空间分隔为至少两个空腔，电池模组22设于至少两个空腔内。In some embodiments, the battery system 2 further includes at least one partition plate 25 provided in the housing 21 . The at least one partition plate 25 divides the space in the housing 21 into at least two cavities. The battery module 22 Located in at least two cavities.
电池***2的壳体21内设置分隔板25，能够提高壳体21的强度，又能够提高电池***2的强度。The partition plate 25 is provided in the casing 21 of the battery system 2, which can improve the strength of the casing 21 and the battery system 2.
为保证电池***2的结构强度，至少一个分隔板25包括第一分隔板、第二分隔板和第三分隔板，第一分隔板、第二分隔板和第三分隔板分别焊接在壳体21内的前、中、后段，同时对电池模块22进行分隔。In order to ensure the structural strength of the battery system 2, at least one partition plate 25 includes a first partition plate, a second partition plate and a third partition plate. The plates are respectively welded to the front, middle and rear sections of the housing 21 and separate the battery modules 22 at the same time.
在一些实施例中，车身地板1为一块规则的长方形金属板。In some embodiments, the vehicle body floor 1 is a regular rectangular metal plate.
在一些实施例中，第一侧板231、第二侧板232、第三侧板233和第四侧板234采用矩形铝型材制成。In some embodiments, the first side plate 231 , the second side plate 232 , the third side plate 233 and the fourth side plate 234 are made of rectangular aluminum profiles.
在一些实施例中，车身地板1与第一侧板231、第二侧板232、第三侧板233和第四侧板234采用焊接方式连接固定，能够保证其固定强度。In some embodiments, the body floor 1 is connected and fixed with the first side panel 231 , the second side panel 232 , the third side panel 233 and the fourth side panel 234 by welding, which can ensure the fixing strength.
在一些实施例中，底板24为一块规则的长方形金属板。In some embodiments, the bottom plate 24 is a regular rectangular metal plate.
在一些实施例中，底板24与第一侧板231、第二侧板232、第三侧板233和第四侧板234采用螺接方式固定，用于支撑独立电池模块，后期维修便捷。In some embodiments, the bottom plate 24 is screwed to the first side plate 231 , the second side plate 232 , the third side plate 233 and the fourth side plate 234 to support the independent battery module and facilitate later maintenance.
一些实施例还提供了一种车辆，其包括上述的车辆底盘。Some embodiments also provide a vehicle, which includes the above-mentioned vehicle chassis.
在本公开的描述中，需要理解的是，使用“第一”、“第二”、“第三”等词语来限定零部件，仅仅是为了便于对上述零部件进行区别，如没有另行声明，上述词语并没有特殊含义，因此不能理解为对本公开保护范围的限制。In the description of the present disclosure, it should be understood that the use of words such as "first", "second" and "third" to define components is only to facilitate the distinction between the above components. Unless otherwise stated, The above words have no special meanings and therefore cannot be understood as limiting the scope of the present disclosure.
另外，在没有明确否定的情况下，其中一个实施例的技术特征可以有益地与其他一个或多个实施例相互结合。In addition, the technical features of one embodiment may be beneficially combined with one or more other embodiments without explicit negation.
最后应当说明的是:以上实施例仅用以说明本公开的技术方案而非对其限制；尽管参照较佳实施例对本公开进行了详细的说明，所属领域的普通技术人员应当理解：依然可以对本公开的具体实施方式进行修改或者对部分技术特征进行等同替换；而不脱离本公开技术方案的精神，其均应涵盖在本公开请求保护的技术方案范围当中。Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present disclosure and not to limit it; although the present disclosure has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the present disclosure can still be modified Modifications to the specific embodiments disclosed or equivalent replacement of some technical features without departing from the spirit of the technical solution disclosed shall be included in the scope of the technical solution claimed by the present disclosure.

Claims (10)

  1. 一种车辆底盘，包括：A vehicle chassis including:
    车身地板(1)；body floor(1);
    电池***(2)，设于所述车身地板(1)的下方，所述电池***(2)包括壳体(21)和设于所述壳体(21)内的电池模组(22)，所述壳体(21)包括侧板(23)，所述侧板(23)上设有沿所述侧板(23)的长度方向延伸的容纳部(4)；以及A battery system (2) is located below the vehicle body floor (1). The battery system (2) includes a housing (21) and a battery module (22) located in the housing (21). The housing (21) includes a side plate (23), and the side plate (23) is provided with a receiving portion (4) extending along the length direction of the side plate (23); and
    管线(3)，设于所述容纳部(4)内。The pipeline (3) is provided in the accommodation part (4).
  2. 如权利要求1所述的车辆底盘，其中所述管线(3)包括制动管路(31)和冷却管路(32)的至少之一。The vehicle chassis of claim 1, wherein the pipeline (3) includes at least one of a brake pipeline (31) and a cooling pipeline (32).
  3. 如权利要求1或2所述的车辆底盘，其中所述侧板(23)包括相对设置的第一侧板(231)和第二侧板(232)，所述第一侧板(231)和所述第二侧板(232)的长度方向与所述车辆底盘的前后方向一致，所述管线(3)设于所述第一侧板(231)和所述第二侧板(232)的容纳部(4)内。The vehicle chassis according to claim 1 or 2, wherein the side panel (23) includes a first side panel (231) and a second side panel (232) arranged oppositely, the first side panel (231) and the second side panel (232). The length direction of the second side plate (232) is consistent with the front and rear direction of the vehicle chassis, and the pipeline (3) is provided between the first side plate (231) and the second side plate (232). Inside the accommodating part (4).
  4. 如权利要求3所述的车辆底盘，其中所述管线(3)包括第一冷却管路(301)和第二冷却管路(302)，所述第一冷却管路(301)设于所述第一侧板(231)的容纳部(4)内，所述第二冷却管路(302)设于所述第二侧板(232)的容纳部(4)内，所述第一冷却管路(301)和所述第二冷却管路(302)形成冷却回路。The vehicle chassis according to claim 3, wherein the pipeline (3) includes a first cooling pipeline (301) and a second cooling pipeline (302), the first cooling pipeline (301) is located on the The second cooling pipe (302) is provided in the receiving portion (4) of the first side plate (231), and the first cooling pipe (302) is provided in the receiving portion (4) of the second side plate (232). The cooling circuit (301) and the second cooling pipe (302) form a cooling circuit.
  5. 如权利要求1至4任一项所述的车辆底盘，其中所述壳体(21)还包括设于所述侧板(23)的底部的底板(24)，所述底板(24)被配置为封闭所述壳体(21)的底部，所述壳体(21)的顶部开口，所述壳体(21)的顶部连接于所述车身地板(1)。The vehicle chassis according to any one of claims 1 to 4, wherein the housing (21) further includes a bottom plate (24) provided at the bottom of the side plate (23), the bottom plate (24) being configured In order to close the bottom of the housing (21), the top of the housing (21) is open, and the top of the housing (21) is connected to the vehicle body floor (1).
  6. 如权利要求5所述的车辆底盘，还包括密封件(4)，所述密封件(4)设于所述壳体(21)的顶部的周向与所述车身地板(1)的连接处。The vehicle chassis according to claim 5, further comprising a seal (4) provided at the connection between the top of the housing (21) and the body floor (1) in the circumferential direction .
  7. 如权利要求1至6任一项所述的车辆底盘，其中所述侧板(23)包括围成环形空间的第一侧板(231)、第二侧板(232)、第三侧板(233)和第四侧板(234)，所述第一侧板(231)和所述第二侧板(232)相对设置，且沿所述车辆底盘的前后方向延伸，所述第三侧板(233)和所述第四侧板(234)相对设置，且沿所述车辆底盘的左右方向延伸，所述管线(3)设于所述第一侧板(231)和所述第二侧板(232)的容纳部(4)内。The vehicle chassis according to any one of claims 1 to 6, wherein the side panels (23) include a first side panel (231), a second side panel (232), a third side panel (232) and a third side panel (231) that enclose an annular space. 233) and a fourth side plate (234), the first side plate (231) and the second side plate (232) are arranged oppositely and extend along the front and rear direction of the vehicle chassis, and the third side plate (233) is arranged opposite to the fourth side plate (234) and extends along the left and right directions of the vehicle chassis. The pipeline (3) is provided on the first side plate (231) and the second side plate (233). In the receiving part (4) of the plate (232).
  8. 如权利要求1至7任一项所述的车辆底盘，其中所述容纳部(4)包括设于所述侧板(23)上的孔或槽。The vehicle chassis according to any one of claims 1 to 7, wherein the receiving portion (4) includes holes or grooves provided on the side plate (23).
  9. 如权利要求1至8任一项所述的车辆底盘，其中所述电池***(2)还包括设于所述壳体(21)内的至少一个分隔板(25)，所述至少一个分隔板(25)将所述壳体(21)内的空间分隔为至少两个空腔，所述电池模组(22)设于所述至少两个空腔内。The vehicle chassis according to any one of claims 1 to 8, wherein the battery system (2) further includes at least one partition (25) provided in the housing (21), the at least one partition The partition (25) divides the space in the housing (21) into at least two cavities, and the battery module (22) is located in the at least two cavities.
  10. 一种车辆，包括如权利要求1至9任一项所述的车辆底盘。A vehicle including the vehicle chassis according to any one of claims 1 to 9.
PCT/CN2022/137540 2022-08-18 2022-12-08 Vehicle chassis and vehicle WO2024036830A1 (en)

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Publication number Priority date Publication date Assignee Title
CN217753453U (en) * 2022-08-18 2022-11-08 合众新能源汽车有限公司 Vehicle chassis and vehicle

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