WO2023020402A1 - 车身地板总成和具有其的车辆 - Google Patents

车身地板总成和具有其的车辆 Download PDF

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Publication number
WO2023020402A1
WO2023020402A1 PCT/CN2022/112260 CN2022112260W WO2023020402A1 WO 2023020402 A1 WO2023020402 A1 WO 2023020402A1 CN 2022112260 W CN2022112260 W CN 2022112260W WO 2023020402 A1 WO2023020402 A1 WO 2023020402A1
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WO
WIPO (PCT)
Prior art keywords
liquid
vehicle body
pipe
body floor
section
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Application number
PCT/CN2022/112260
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English (en)
French (fr)
Inventor
郭志远
张德磊
张海建
唐丽娟
Original Assignee
蜂巢能源科技股份有限公司
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Application filed by 蜂巢能源科技股份有限公司 filed Critical 蜂巢能源科技股份有限公司
Publication of WO2023020402A1 publication Critical patent/WO2023020402A1/zh

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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
    • 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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles

Definitions

  • the present application relates to the technical field of vehicle manufacturing, in particular to a vehicle body floor assembly and a vehicle having the same.
  • a battery pack structure may be installed on the floor of the vehicle, and the existing battery pack installation structure includes a top-down installation form and a bottom-up installation form.
  • the battery pack and the battery pack case are mostly installed directly under the floor of the vehicle body. inconvenient.
  • the design of the cast aluminum panel is required at the designated position.
  • this design increases the weight and height of the lower shell, which cannot be applied to the lower shell There is room for improvement on the lower shell with a body height between 30 mm and 50 mm.
  • an object of the present application is to propose a vehicle body floor assembly, the battery module and the lower case of the vehicle body floor assembly can be installed from bottom to top, and the requirements for sealing are low, while the electrical
  • the plug-in is easy to install, and at the same time, it can meet the arrangement and installation form of the liquid cooling system when the height of the lower case is low, so that the battery module can be cooled better.
  • the body floor assembly includes: a body floor; a body installation structure, the body installation structure is installed on the lower side of the body floor, and defines a downwardly open battery installation cavity with the body floor , the battery installation chamber is used to install the battery module; the lower case, the lower case is used to close the open end of the battery installation chamber, the lower case includes a case body and an outer shell surrounding the case body A frame, the outer frame is provided with a liquid pipe opening; a liquid cooling pipe, the liquid cooling pipe extends through the liquid pipe opening into the battery installation cavity to be connected with the liquid cooling module of the battery module.
  • the battery module and the lower case can be installed from bottom to top, and the requirements for the sealing of the battery module are low, and at the same time
  • the electrical outlet plug-in is easy to install, and through the improvement of the liquid cooling tube, the liquid cooling tube can meet the arrangement and installation form of the liquid cooling system when the height of the lower case is low, so as to better cool the battery module. Enhanced the safety and practicality of the battery module.
  • the liquid cooling pipe includes a main body section and an extension section, the extension section is connected to the end of the main body section and connected to the main body section by bending, the liquid cooling pipe
  • the nozzle is configured to have a strip-shaped cross-section, the extending length of the extension section is smaller than the opening width of the liquid nozzle and greater than the opening height of the liquid nozzle, and the extending length of the main body section is longer than the liquid pipe Mouth depth.
  • the liquid cooling pipe further includes an arc-shaped transition section connected between the main body section and the extension section.
  • the extension section is perpendicular to the main body section, and the extension section is adapted to extend upward relative to the main body section in the battery installation cavity.
  • the vehicle body floor assembly further includes: a support seat, the support seat is sleeved on the outside of the main body section, and the support seat is supported in the liquid pipe opening.
  • the support base includes a first support plate, a second support plate and a support pipe connected between the first support plate and the second support plate, the The first support plate is supported on the inner peripheral wall of the first end of the liquid nozzle, the second support plate is supported on the inner peripheral wall of the second end of the liquid nozzle, and the main body section passes through the support tube.
  • both ends of the support pipe are eccentrically connected to the first support plate and the second support plate.
  • the outer peripheral wall of the first support plate is in contact with the inner peripheral wall of the first end of the liquid nozzle
  • the outer peripheral wall of the second support plate is in contact with the inner peripheral wall of the first end of the liquid nozzle.
  • the inner peripheral wall of the second end of the liquid nozzle is adhered to.
  • the liquid pipe port includes a liquid inlet and a liquid outlet
  • the liquid cooling pipe includes a liquid inlet pipe and a liquid outlet pipe; wherein the liquid inlet pipe is installed on the a liquid inlet, and the liquid outlet pipe is installed on the liquid outlet pipe.
  • the present application also proposes a vehicle.
  • a vehicle according to an embodiment of the present application is provided with the vehicle body floor assembly described in any one of the above embodiments.
  • FIG. 1 is an exploded view of a vehicle body floor assembly according to an embodiment of the present application
  • FIG. 2 is a schematic structural view of a liquid cooling port of a body floor assembly according to an embodiment of the present application
  • Fig. 3 is a schematic structural diagram of a liquid cooling pipe of a body floor assembly according to an embodiment of the present application
  • Fig. 4 is a schematic structural view of a support seat of a vehicle body floor assembly according to an embodiment of the present application
  • Fig. 5 is an exploded view of a liquid cooling tube and a liquid cooling port according to an embodiment of the present application
  • Fig. 6 is a schematic diagram of the assembly of the liquid cooling tube and the liquid cooling port according to the embodiment of the present application;
  • Fig. 7 is a schematic diagram of the assembly of the liquid-cooled tube and the liquid-cooled port according to the embodiment of the present application (when the extension section rotates);
  • Fig. 8 is an exploded view of a liquid cooling tube and a support seat according to an embodiment of the present application.
  • Fig. 9 is an assembly schematic diagram of a liquid cooling tube and a support base according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of assembly of a vehicle body floor and a vehicle body installation structure according to an embodiment of the present application.
  • Body floor 1 body installation structure 2, installation frame 21, body cross member 22, body longitudinal beam 23, battery module 3, lower case 4, case body 41, outer frame 42, liquid pipe port 5, liquid cooling pipe 6,
  • the front-rear direction in this application refers to the longitudinal direction of the vehicle, namely the X direction; the left-right direction refers to the transverse direction of the vehicle, namely the Y direction; the up-down direction refers to the vertical direction of the vehicle, namely the Z direction.
  • the vehicle body floor assembly 100 will be described below with reference to FIGS.
  • the structure 2 is installed on the side of the body floor 1 facing the ground, thereby forming a battery installation cavity open to the ground, so as to facilitate the integrated installation of the battery module 3 on the body floor 1 from bottom to top, so as to meet the requirements of the current vehicle production line. meet the needs of quick disassembly and repair of the battery module 3, easily reduce the difficulty of assembling the battery module 3, and reduce the maintenance cost of the battery module 3.
  • a liquid cooling tube 6 is also provided, and the liquid cooling tube 6 runs through the liquid tube
  • the port 5 extends into the battery installation cavity to be connected with the liquid cooling module of the battery module 3, so that the cooling medium enters the liquid cooling module through the liquid cooling tube 6, and then performs heat exchange on the battery module 3 in the battery installation cavity.
  • the liquid cooling tube 6 can meet the arrangement and installation form of the liquid cooling system when the height of the lower case 4 is low, and expand the application range of the liquid cooling tube 6 , and by providing the liquid cooling tube 6, the risk of thermal runaway of the battery module 3 can be reduced, and the safety of the battery module 3 can be enhanced.
  • a vehicle body floor assembly 100 includes: a vehicle body floor 1 , a vehicle body installation structure 2 , a lower shell 4 and a liquid cooling pipe 6 .
  • the body floor 1 is located at the bottom of the vehicle structure, that is, the body floor 1 is installed on the side of the vehicle structure facing the ground, which can support and protect the vehicle structure and enhance the stability of the vehicle structure.
  • the vehicle body installation structure 2 is installed on the lower side of the vehicle body floor 1, that is to say, the vehicle body installation structure 2 is arranged on the side of the vehicle body floor 1 facing the ground, and the vehicle body installation structure 2 extends downward to form the installation of the battery module 3.
  • the existing body floor 1 can be used to form the upper cover of the battery installation chamber, and the body installation structure 2 can be used to form the outer peripheral wall of the battery installation chamber, that is, the body installation structure 2 and the body floor 1 jointly define a downwardly open
  • the battery installation cavity wherein, the battery installation cavity is provided with a plurality of battery modules 3 spaced apart, it can be understood that a plurality of battery modules 3 are spaced apart and distributed in the battery installation cavity, so that each battery The modules 3 can work independently, and it is convenient to replace or repair one of the battery modules 3 independently when a problem occurs in one of the battery modules 3, thereby enhancing the flexibility of setting the battery module 3 .
  • the battery module 3 can be integrated and installed on the vehicle body floor 1 from bottom to top, so that the vehicle body installation structure 2 and the vehicle body floor 1 can support and fix the battery module 3 and enhance the structure of the battery module 3 Stability, and then meet the needs of the current vehicle production line, meet the needs of quick disassembly and repair of the battery module 3, easily reduce the difficulty of assembling the battery module 3, and reduce the maintenance cost of the battery module 3.
  • the vehicle body mounting structure 2 in the present application includes a mounting frame 21, a vehicle body beam 22 and a vehicle body longitudinal beam 23, wherein the mounting frame 21 is configured as a ring beam, and the vehicle body beam 22 and the vehicle body
  • the longitudinal beams 23 are intersected in the installation frame 21 , thus, during specific installation, the vehicle body cross member 22 and the vehicle body longitudinal beams 23 can be fixed in the installation frame 21 first, and then the vehicle body installation structure 2 is fixedly installed on the vehicle body floor 1 .
  • the vehicle body cross member 22 , vehicle body side member 23 and installation frame 21 in the present application are directly integrally formed with the vehicle body floor 1 , which is beneficial to improving the stability of the battery pack installation structure and saving installation steps.
  • the lower case 4 is used to close the open end of the battery installation cavity. It can be understood that the lower case 4 is installed at the opening of the battery installation cavity, and the lower case 4 is arranged opposite to the vehicle body floor 1 to utilize the lower case 4
  • the battery installation cavity is sealed to enhance the sealing performance of the battery installation cavity, and it is beneficial to prevent the battery module 3 from falling off from the battery installation cavity, enhance the structural stability of the battery module 3, and the battery module can be protected through the lower case 4. 3 plays a protective role to ensure the working environment of the battery module 3 and enhance the safety of the battery module 3 .
  • the vehicle body mounting structure 2 can be fixedly installed on the lower side of the vehicle body floor 1, or the vehicle body mounting structure 2 can be integrally integrated on the lower side of the vehicle body floor 1, wherein the vehicle body cross beam 22 and the vehicle body longitudinal beam 23 intersect Distributed in the battery installation cavity, for example, the vehicle body cross member 22 and the vehicle body longitudinal beam 23 are crossed, so that the battery installation cavity is divided into a plurality of sub-cavities spaced along the transverse direction and the longitudinal direction.
  • a plurality of battery modules 3 are installed on the upper side of the lower case 4, and the plurality of battery modules 3 are spaced apart and distributed on the upper side of the lower case 4 and correspond to a plurality of sub-chambers respectively, so that the operator can place the plurality of A battery module 3 is installed upwards together with the lower case 4 in the battery installation cavity, so as to realize the installation and fixation of the battery module 3, and the vehicle body floor 1, the vehicle body mounting structure 2 and the lower case 4 are jointly configured as a battery pack. shell structure.
  • the battery module 3 in this application is pre-installed on the lower casing 4 first, and is installed on the vehicle body installation structure 2 together with the lower casing 4, that is, the battery module 3 and the corresponding electrical outlet in this application All can be pre-installed on the lower casing 4, so that when the operator installs the lower casing 4 on the vehicle body installation structure 2, the lower casing 4 can be placed in an open space with a large operating range, and the electrical outlet plug-in Installed with the battery module 3, and the electrical outlet plug can be flexibly arranged on the front side and/or the rear side of the lower housing 4, so that the installation structure of the electrical outlet plug can be flexible and variable, and the installation difficulty of the electrical outlet plug is increased. Easy to install.
  • the lower casing 4 includes a casing body 41 and an outer frame 42 surrounding the casing body 41, and the outer frame 42 is provided with a liquid nozzle 5, and the liquid nozzle 5 is used to avoid the liquid cooling pipe 6.
  • the liquid cooling tube 6 extends through the liquid tube port 5 and extends into the battery installation cavity to be connected with the liquid cooling module of the battery module 3, so that the cooling medium enters the liquid cooling module through the liquid cooling tube 6, Furthermore, heat exchange is performed on the battery module 3 in the battery installation cavity to improve the heat exchange efficiency of the battery module 3, and through such an arrangement, the liquid cooling tube 6 can meet the liquid cooling requirements when the height of the lower case 4 is low.
  • the arrangement and installation form of the cooling system expands the scope of application of the liquid cooling tube 6 .
  • the battery module 3 and the lower case 4 can be installed from bottom to top, and the requirements for the sealing of the battery module 3 It is relatively low, and at the same time, the installation of the electrical outlet plug-in is convenient, and by improving the liquid cooling tube 6, the liquid cooling tube 6 can meet the arrangement and installation form of the liquid cooling system when the height of the lower shell 4 is low, so that it can better Cooling the battery module 3 enhances the safety and practicality of the battery module 3 .
  • the liquid cooling tube 6 includes a main body section 61 and an extension section 62 .
  • the main body section 61 and the extension section 62 can be integrally formed to reduce the processing difficulty of the liquid cooling tube 6 .
  • the end of the extension section 62 is connected to the end of the main body section 61, and the end of the extension section 62 is bent and connected to the main section 61, and the liquid nozzle 5 is configured to have a strip-shaped cross section, extending
  • the extension length of section 62 is less than the opening width of liquid pipe mouth 5 and greater than the opening height of liquid pipe mouth 5, that is to say, the extension length of extension section 62 is less than the opening width of liquid pipe mouth 5 (for example, as shown in Figure 5 Dimensions in the left and right directions), meanwhile, the extension length of the extension section 62 is greater than the opening height of the liquid nozzle 5 (for example, the dimension in the up and down direction as shown in FIG. 5 ).
  • the extension length of the body section 61 (for example, the dimension in the front-back direction as shown in FIG. 5 ) is greater than the depth of the liquid nozzle 5 (for example, the dimension in the front-back direction as shown in FIG. 5 ).
  • the installation process of the liquid cooling tube 6 is described in conjunction with Fig. 5-Fig. Inside the housing 4 , at this time, the central axis of the extension section 62 and the central axis of the main body section 61 may be located in the same plane. After being inserted, the extension section 62 is located inside the lower casing 4 , part of the main body section 61 is located inside the lower casing 4 , and the rest is located outside the lower casing 4 .
  • the central axis of the extension section 62 can be perpendicular to the central axis of the main body section 61, and the extension section 62 can protrude from the lower casing 4 through the hollow part of the lower casing 4, so as to be compatible with Installation and connection of the liquid cooling module.
  • the liquid cooling tube 6 arranged in this way effectively reduces the thickness of the lower casing 4, reduces the weight of the lower casing 4, can reduce costs, and is beneficial to the miniaturization design of the vehicle body floor assembly 100, and the liquid cooling tube 6 It can be applied to the lower casing 4 whose thickness (for example, the dimension in the up-and-down direction as shown in FIG. 2 ) is between 30 mm and 50 mm, expanding the application range of the liquid cooling tube 6 .
  • the liquid cooling tube 6 further includes an arc-shaped transition section 63 connected between the main body section 61 and the extension section 62 .
  • the connection between the main body section 61 and the extension section 62 can be facilitated, the smoothness of the liquid flowing in the liquid cooling tube 6 can be improved, and the noise can be reduced at the same time, and the arc-shaped transition section 63 is arranged between the main section 61 and the extension section. 62 is beneficial to reduce the local stress at the bending position, avoiding the problem of structural fracture caused by stress concentration.
  • the extension section 62 may be perpendicular to the main section 61 , and the extension section 62 is adapted to extend upward relative to the main section 61 in the battery installation cavity.
  • the liquid cooling pipe 6 can be made into an L-shaped pipe, which can facilitate the installation and connection of the extension section 62 and the remaining connecting pipes of the vehicle body floor assembly 100 , and can help ensure the circulation of the cooling medium in the liquid cooling pipe 6 .
  • the vehicle body floor assembly 100 may further include a support seat 7 , and the support seat 7 is supported in the liquid pipe port 5 .
  • the setting of the support seat 7 can play a role in supporting the lower casing 4 at the position of the liquid nozzle 5 , and improve the structural strength of the lower casing 4 to ensure the service life of the vehicle body floor assembly 100 .
  • the support base 7 can be sleeved outside the main body section 61, which can ensure the reliability of the installation of the support base 7, facilitate the connection between the support base 7 and the liquid cooling tube 6, and facilitate assembly.
  • the supporting seat 7 can have a supporting structure, and the supporting structure can be located at the edge of the liquid nozzle 5, so that the supporting structure can also play a role of sealing the liquid nozzle 5, so as to prevent impurities such as dust from entering the inside of the lower housing 4 , to ensure that the components inside the lower housing 4 are not disturbed by the outside world, and improve the service life of the body floor assembly 100 .
  • the support seat 7 may include a first support plate 71, a second support plate 72 and a support tube 73 connected between the first support plate 71 and the second support plate 72, the first support plate 71 and the second support plate 72 are oppositely arranged at the two ends of the support pipe 73, and when the support seat 7 is installed on the liquid pipe mouth 5, its first support plate 71 can be supported in the first end of the liquid pipe mouth 5
  • the peripheral wall, the second support plate 72 can be supported on the inner peripheral wall of the second end of the liquid nozzle 5 , so as to enhance the structural strength of the liquid nozzle 5 and enhance the connection stability between the liquid cooling tube 6 and the liquid nozzle 5 .
  • the first support plate 71 can support the first end of the liquid nozzle 5, and the second support plate 72 can support the second end of the liquid nozzle 5.
  • the supporting seat 7 improves the structural strength of the lower casing 4 .
  • the main body section 61 can pass through the support tube 73, that is to say, in the specific installation process, the support tube 73 is sleeved on the outside of the main body section 61, so as to facilitate the connection between the two, and the main body section 61 is supported by the support tube 73. It plays the role of support and protection, and enhances the safety of the liquid cooling tube 6 .
  • the first support plate 71 on the outer side can be welded to the liquid nozzle 5 , so that the first support plate 71 can support the lower casing 4 and seal the liquid nozzle 5 .
  • the assembly steps can be reduced and the assembly efficiency can be improved.
  • the first support plate 71 located inside can be welded to the liquid cooling tube 6 to further improve the installation reliability of the two.
  • both ends of the support tube 73 may be eccentrically connected to the first support plate 71 and the second support plate 72 . Therefore, in the specific installation process, it can adapt to the cooperation between the liquid cooling tube 6 and the liquid cooling port, which is convenient to reduce the difficulty of assembly, and facilitates the positioning and installation of the liquid cooling tube 6 to ensure the accuracy of the installation of the liquid cooling tube 6 .
  • the outer peripheral wall of the first support plate 71 is attached to the inner peripheral wall of the first end of the liquid nozzle 5, and the outer peripheral wall of the second support plate 72 is attached to the inner peripheral wall of the second end of the liquid nozzle 5. It can be understood that , the first support plate 71 can completely close the first end of the liquid nozzle 5, and the outer peripheral wall of the second support plate 72 can completely close the second end of the liquid nozzle 5, thus, the first support plate 71 and the second The two support plates 72 respectively play a role of completely sealing the first end and the second end of the liquid pipe port 5, and enhance the connection stability between the liquid cooling pipe 6 and the liquid cooling port.
  • the liquid cooling pipe 6 can be used as a liquid outlet pipe. At this time, the cooling medium can flow to the main body section 61 through the extension section 62 and flow out from the main body section 61 .
  • the liquid cooling pipe 6 can be used as a liquid inlet pipe. At this time, the cooling medium can flow through the main body section 61 to the extension section 62, and then flow from the main body section 61 to the liquid cooling module of the body floor assembly 100, thereby realizing cooling of the battery. Cooldown for module 3.
  • the liquid pipe mouth 5 can include a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet can both be arranged on the same side of the outer frame 42 and be spaced apart.
  • the liquid cooling tube 6 can include a liquid inlet pipe and a liquid outlet pipe . Wherein, the liquid inlet pipe is installed at the liquid inlet, and the liquid outlet pipe is installed at the liquid outlet. Furthermore, the cooling medium can pass through the liquid inlet pipe, the liquid cooling module and the liquid outlet in sequence to form a circulation, thereby realizing the cooling of the battery module 3 Cool down.
  • the liquid inlet pipe and the liquid outlet pipe are respectively installed at the liquid inlet and the liquid outlet, so that the cooling medium can enter the battery installation cavity through the liquid inlet pipe to be connected with the liquid cooling module, and then flow out through the liquid outlet pipe, thereby realizing the The cooling of the battery module 3 reduces the risk of thermal runaway of the battery module 3 .
  • the central axis and the central axis of the main body section 61 can be located in the same plane.
  • the liquid cooling tube 6 After the liquid cooling tube 6 is extended, its extension section 62 is located inside the lower housing 4, part of the main body section 61 is located inside the lower housing 4, and the rest is located in the lower housing 4.
  • the lower casing 4 is outside. Then, rotate the liquid cooling tube 6 so that the central axis of the extension section 62 can be perpendicular to the central axis of the main body section 61, and the end of the extension section 62 that is not connected with the main body section 61 can stretch out from the lower casing 4, so as to be compatible with the main body section 61.
  • the support base 7 is installed on the liquid cooling tube 6, and the first support plate 71 and the second support plate 72 of the support base 7 are respectively supported on the The first end and the second end of the liquid cooling port seal the liquid cooling port, and support and fix the liquid cooling tube 6 through the support seat 7, thereby enhancing the structural stability of the liquid cooling tube 6 .
  • the present application also proposes a vehicle.
  • the battery module 3 and the lower casing 4 can be installed from bottom to top, and the requirements for the sealing of the battery module 3 are low, and at the same time
  • the electrical outlet plug-in is easy to install, and by improving the liquid cooling tube 6, the liquid cooling tube 6 can meet the arrangement and installation form of the liquid cooling system when the height of the lower case 4 is low, so that the battery module can be better 3 for cooling, which enhances the safety and practicality of the battery module 3.
  • first feature and “second feature” may include one or more of these features.
  • a first feature being "on” or “under” a second feature may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact but pass through them. Additional feature contacts between.
  • first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than Second feature.
  • references to the terms “one embodiment,” “some embodiments,” “exemplary embodiments,” “example,” “specific examples,” or “some examples” are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present application.
  • schematic representations of the above terms do not necessarily refer to the same embodiment or example.
  • the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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Abstract

本申请公开了一种车身地板总成和具有其的车辆，所述车身地板总成包括：车身地板；车身安装结构，所述车身安装结构安装于所述车身地板的下侧面，且与所述车身地板限定出朝下敞开的电池安装腔，所述电池安装腔用于安装电池模组；下壳体，所述下壳体用于封闭所述电池安装腔的敞开端，所述下壳体包括壳本体和环绕所述壳本体的外边框，所述外边框设有液管口；液冷管，所述液冷管贯穿所述液管口伸至所述电池安装腔内以与所述电池模组的液冷模块相连。本申请的车身地板总成，增强了电池模组的安全性和实用性。

Description

车身地板总成和具有其的车辆
相关申请的交叉引用
本申请要求了申请日为2021年8月17日，申请号为：202121932057.7，申请名称为“车身地板总成和具有其的车辆”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及车辆制造技术领域，尤其是涉及一种车身地板总成和具有其的车辆。
背景技术
相关技术中，车辆的地板可安装有电池包结构，现有的电池包安装结构包括自上而下安装的形式和自下而上安装的形式。其中，对于自下而上安装的形式，多为通过将电池包以及电池包壳体直接安装于车身地板的下方，如此安装导致电池包壳体的密封性要求较差，且电气出插件安装也不方便。同时，传统方案中，为实现液冷系统中进出液管口的布置，需在指定位置进行铸铝面板的设计，然而，这种设计增加了下壳体的重量和高度，无法适用于下壳体高度在30mm～50mm之间的下壳体上，存在改进的空间。
申请内容
本申请旨在至少解决现有技术中存在的技术问题之一。为此，本申请的一个目的在于提出一种车身地板总成，该车身地板总成的电池模组和下壳体能够实现自下而上的安装，且对于密封性的要求较低，同时电气出插件安装方便，同时能够满足在下壳体高度较低时的液冷系统的布置安装形式，从而能够更好地对电池模组进行冷却。
根据本申请实施例的车身地板总成，包括：车身地板；车身安装结构，所述车身安装结构安装于所述车身地板的下侧面，且与所述车身地板限定出朝下敞开的电池安装腔，所述电池安装腔用于安装电池模组；下壳体，所述下壳体用于封闭所述电池安装腔的敞开端，所述下壳体包括壳本体和环绕所述壳本体的外边框，所述外边框设有液管口；液冷管，所述液冷管贯穿所述液管口伸至所述电池安装腔内以与所述电池模组的液冷模块相连。
根据本申请实施例的车身地板总成，通过对车身结构进行改进，以使电池模组和下壳体能够实现自下而上的安装，且对于电池模组的密封性的要求较低，同时电气出插件安装方便，且通过对液冷管进行改进，使得该液冷管能够满足在下壳体高度较低时的液冷系统的布置安装形式，从而能够更好地对电池模组进行冷却，增强了电池模组的安全性和实用 性。
根据本申请一些实施例的车身地板总成，所述液冷管包括主体段和延伸段，所述延伸段与所述主体段的端部相连且与所述主体段弯折相连，所述液管口构造为具有长条形横截面，所述延伸段的延伸长度小于所述液管口的开口宽度且大于所述液管口的开口高度，所述主体段的延伸长度大于所述液管口的深度。
根据本申请一些实施例的车身地板总成，所述液冷管还包括连接于所述主体段与所述延伸段之间的弧形过渡段。
根据本申请一些实施例的车身地板总成，所述延伸段与所述主体段垂直，且所述延伸段适于在所述电池安装腔内相对于所述主体段朝上延伸。
根据本申请一些实施例的车身地板总成，还包括：支撑座，所述支撑座套设于所述主体段外，且所述支撑座支撑于所述液管口内。
根据本申请一些实施例的车身地板总成，所述支撑座包括第一支撑板、第二支撑板和连接于所述第一支撑板和所述第二支撑板之间的支撑管，所述第一支撑板支撑于所述液管口的第一端的内周壁，所述第二支撑板支撑于所述液管口的第二端的内周壁，所述主体段贯穿所述支撑管。
根据本申请一些实施例的车身地板总成，所述支撑管的两端偏心连接于所述第一支撑板和所述第二支撑板。
根据本申请一些实施例的车身地板总成，所述第一支撑板的外周壁与所述液管口的第一端的内周壁贴合，且所述第二支撑板的外周壁与所述液管口的第二端的内周壁贴合。
根据本申请一些实施例的车身地板总成，所述液管口包括进液口和出液口，所述液冷管包括进液管和出液管；其中所述进液管安装于所述进液口，所述出液管安装于所述出液管。
本申请还提出了一种车辆。
根据本申请实施例的车辆，设置有上述任一项实施例中所述的车身地板总成。
所述车辆与上述的车身地板总成相对于现有技术所具有优势相同，在此不再赘述。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本申请实施例的车身地板总成的爆炸图；
图2是根据本申请实施例的车身地板总成的液冷口的结构示意图；
图3是根据本申请实施例的车身地板总成的液冷管的结构示意图；
图4是根据本申请实施例的车身地板总成的支撑座的结构示意图；
图5是根据本申请实施例的液冷管和液冷口的爆炸图；
图6是根据本申请实施例的液冷管与液冷口的装配示意图；
图7是根据本申请实施例的液冷管与液冷口的装配示意图(延伸段转动时)；
图8是根据本申请实施例的液冷管和支撑座的爆炸图；
图9是根据本申请实施例的液冷管和支撑座的装配示意图；
图10是根据本申请实施例的车身地板与车身安装结构的装配示意图。
附图标记：
车身地板总成100，
车身地板1，车身安装结构2，安装框21，车身横梁22，车身纵梁23，电池模组3，下壳体4，壳本体41，外边框42，液管口5，液冷管6，主体段61，延伸段62，弧形过渡段63，支撑座7，第一支撑板71，第二支撑板72，支撑管73。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
如无特殊的说明，本申请中的前后方向为车辆的纵向，即X向；左右方向为车辆的横向，即Y向；上下方向为车辆的竖向，即Z向。
下面参考图1-图9描述根据本申请实施例的车身地板总成100，通过将车身地板1进行改进，以利用现有的车身地板1形成为电池模组3的上盖，且将车身安装结构2安装于车身地板1朝向地面的侧面，从而形成朝向地面敞开的电池安装腔，从而便于将电池模组3由下而上地集成安装于车身地板1上，从而满足目前整车产线的需求，满足电池模组3的快拆返修的需求，易于降低电池模组3的装配难度，降低电池模组3的维修成本，同时，还设置有液冷管6，液冷管6贯穿液管口5伸至电池安装腔内以与电池模组3的液冷模块相连，由此，冷却介质通过液冷管6进入液冷模块，进而对电池安装腔内的电池模组3进行换热，提高电池模组3的换热效率，通过这样的设置形式，使得该液冷管6能够满足在下壳体4高度较低时的液冷系统的布置安装形式，扩大了液冷管6的适用范围，且通过设置液冷管6，能够降低电池模组3的热失控风险，增强电池模组3的安全性。
如图1所示，根据本申请实施例的车身地板总成100，包括：车身地板1、车身安装结 构2、下壳体4和液冷管6。
车身地板1位于整车结构的底部，即车身地板1安装于整车结构朝向地面的一侧，能够对整车结构起到支撑和保护的作用，增强整车结构的稳定性。同时，车身安装结构2安装于车身地板1的下侧面，也就是说，车身安装结构2设置于车身地板1朝向地面的一侧，且车身安装结构2朝下延伸以形成电池模组3的安装结构，由此，可利用现有的车身地板1形成电池安装腔的上盖，且利用车身安装结构2形成电池安装腔的外周壁，即车身安装结构2与车身地板1共同限定出朝下敞开的电池安装腔，其中，电池安装腔内设有多个间隔开分布的电池模组3，可以理解的是，多个电池模组3间隔开的分布于电池安装腔内，以使得每个电池模组3均可独立地完成工作，且便于在其中一个电池模组3出现问题时，单独对其中的一个电池模组3进行更换或维修，增强电池模组3设置的灵活性。
由此，电池模组3可由下而上地集成安装于车身地板1上，以利用车身安装结构2和车身地板1对电池模组3起到支撑和固定的作用，增强电池模组3的结构稳定性，进而满足目前整车产线的需求，满足电池模组3的快拆返修的需求，易于降低电池模组3的装配难度，降低电池模组3的维修成本。
其中，需要说明的是，如图10所示，本申请中的车身安装结构2包括安装框21、车身横梁22和车身纵梁23，其中，安装框21构造为环形梁，车身横梁22和车身纵梁23交叉分布于安装框21内，由此，在具体安装时，可将车身横梁22、车身纵梁23先固定于安装框21内，在将车身安装结构2固定安装于车身地板1。或者，本申请中的车身横梁22、车身纵梁23和安装框21与车身地板1直接一体成型，从而利于提升电池包安装结构的稳定性，且利于节省安装步骤。
下壳体4用于封闭电池安装腔的敞开端，可以理解的是，下壳体4安装于电池安装腔的开口处，且下壳体4与车身地板1相对设置，以利用下壳体4对电池安装腔进行封闭，增强电池安装腔的密封性，且利于防止电池模组3从电池安装腔内脱落，增强电池模组3的结构稳定性，且通过下壳体4能够对电池模组3起到保护的作用，保证电池模组3的工作环境，增强电池模组3的安全性。
这样，在具体安装时，可将车身安装结构2固定安装于车身地板1的下侧面，或者车身安装结构2为一体集成于车身地板1的下侧面，其中，车身横梁22和车身纵梁23交叉分布于电池安装腔内，如车身横梁22和车身纵梁23为十字交叉，从而将电池安装腔分隔为多个沿横向、纵向间隔开的子腔。进而，在下壳体4的上侧安装多个电池模组3，且多个电池模组3间隔开分布于下壳体4的上侧面且分别与多个子腔对应，如此，操作人员可将多个电池模组3与下壳体4一同朝上安装于电池安装腔内，从而实现电池模组3的安装固定，且车身地板1、车身安装结构2和下壳体4共同构造为电池包的壳体结构。且本申 请中，在实现下壳体4的固定安装时，只需实现下壳体4与车身安装结构2的安装框21之间的密封即可，如在下壳体4与安装框21之间设置一个环形密封件，实现周向密封即可，由此，极大地简化了电池包的壳体的密封要求，密封成本较低。
同时，本申请中的电池模组3为先预装于下壳体4，且随着下壳体4一同安装于车身安装结构2处，即本申请中电池模组3以及对应的电气出插件均可预先安装于下壳体4，这样，操作人员在将下壳体4安装于车身安装结构2时，可将下壳体4置于敞开、操作范围较大的空间内，对电气出插件和电池模组3进行安装，且电气出插件可灵活地设置于下壳体4的前侧和/或后侧，以使电气出插件的安装结构灵活可变，提高电气出插件的安装难度，安装方便。
其中，如图2所示，下壳体4包括壳本体41和环绕壳本体41的外边框42，且外边框42设有液管口5，液管口5用于对液冷管6进行避让，在具体的安装过程中，液冷管6贯穿液管口5伸至电池安装腔内以与电池模组3的液冷模块相连，由此，冷却介质通过液冷管6进入液冷模块，进而对电池安装腔内的电池模组3进行换热，提高电池模组3的换热效率，且通过这样的设置形式，使得该液冷管6能够满足在下壳体4高度较低时的液冷系统的布置安装形式，扩大了液冷管6的适用范围。
根据本申请实施例的车身地板总成100，通过对车身结构进行改进，以使电池模组3和下壳体4能够实现自下而上的安装，且对于电池模组3的密封性的要求较低，同时电气出插件安装方便，且通过对液冷管6进行改进，使得该液冷管6能够满足在下壳体4高度较低时的液冷系统的布置安装形式，从而能够更好地对电池模组3进行冷却，增强了电池模组3的安全性和实用性。
在一些实施例中，如图3所示，液冷管6包括主体段61和延伸段62，主体段61和延伸段62可为一体成型结构，便于降低液冷管6的加工难度。
如图5所示，延伸段62的端部与主体段61的端部相连，且延伸段62的端部与主体段61弯折相连，液管口5构造为具有长条形横截面，延伸段62的延伸长度小于液管口5的开口宽度且大于液管口5的开口高度，也就是说，延伸段62的延伸长度小于液管口5的开口宽度(例如，如图5所示的左右方向的尺寸)，同时，延伸段62的延伸长度大于液管口5的开口高度(例如，如图5所示的上下方向的尺寸)。主体段61的延伸长度(例如，如图5所示的前后方向的尺寸)大于液管口5的深度(例如，如图5所示的前后方向的尺寸)。
结合图5-图7描述液冷管6的安装过程，具体地，液冷管6的安装步骤可以为：将液冷管6的延伸段62先于主体段61通过液管口5伸入下壳体4内部，此时，延伸段62的中心轴线与主体段61的中心轴线可以位于同一平面内。伸入后，延伸段62位于下壳体4内部，主体段61的部分段位于下壳体4内部，其余部分位于下壳体4外部。而后，旋转液冷 管6，将延伸段62的中心轴线可以垂直于主体段61的中心轴线，并且，延伸段62可以通过下壳体4的镂空部伸出于下壳体4，以便于与液冷模块的安装连接。
由此，如此设置的液冷管6有效地降低了下壳体4的厚度，降低了下壳体4的重量，可以降低成本，利于车身地板总成100的小型化设计，且液冷管6可以应用于厚度(例如，如图2所示的上下方向的尺寸)在30mm-50mm之间的下壳体4上，扩大了液冷管6的适用范围。
进一步地，如图3所示，液冷管6还包括连接于主体段61与延伸段62之间的弧形过渡段63。由此，可以便于主体段61与延伸段62的连接，可以便于提高液体在液冷管6流动的顺畅性，同时可以利于降低噪音，且将弧形过渡段63设置于主体段61和延伸段62之间利于减小弯折位置处的局部应力，避免出现应力集中导致结构断裂的问题。
在一些实施例中，如图3所示，延伸段62可以与主体段61垂直，且延伸段62适于在电池安装腔内相对于主体段61朝上延伸。由此，可以使得液冷管6为L形管，可以便于延伸段62与车身地板总成100的其余的连接管安装连接，并且可以利于保证冷却介质在液冷管6内的流通性。
在一些实施例中，如图4和图8所示，车身地板总成100还可以包括支撑座7，且支撑座7支撑于液管口5内。通过支撑座7的设置，可以起到支撑液管口5位置的下壳体4的作用，提高下壳体4的结构强度，以保证车身地板总成100的使用寿命。同时，支撑座7可以套设于主体段61外，可以保证支撑座7的安装的可靠性，便于支撑座7与液冷管6的连接，装配方便。
例如，支撑座7可以具有支撑结构，支撑结构可以位于液管口5的边缘处，以使得支撑结构还可以起到密封液管口5的作用，以防止灰尘等杂质进入下壳体4的内部，保证下壳体4内部的零部件不受外界干扰，提高了车身地板总成100的使用寿命。
进一步地，如图4所示，支撑座7可以包括第一支撑板71、第二支撑板72和连接于第一支撑板71和第二支撑板72之间的支撑管73，第一支撑板71和第二支撑板72在支撑管73的两端相对设置，且在将支撑座7安装于液管口5时，其第一支撑板71能够支撑于液管口5的第一端的内周壁，第二支撑板72能够支撑于液管口5的第二端的内周壁，从而能够增强液管口5的结构强度，增强液冷管6与液管口5的连接稳定性。
由此，第一支撑板71可以对液管口5的第一端起到支撑的作用，第二支撑板72可以对液管口5的第二端起到支撑的作用，由此，可以通过支撑座7提高下壳体4的结构强度。同时，主体段61可以贯穿支撑管73，也就是说，在具体的安装过程中，支撑管73套设于主体段61的外侧，以便于二者的连接，且通过支撑管73对主体段61起到支撑和保护的作用，增强液冷管6的安全性。
举例而言，位于外侧的第一支撑板71可以与液管口5焊接连接，以使得第一支撑板71可以兼顾对下壳体4的支撑效果和对液管口5的密封效果。同时，还可以降低装配步骤，提高装配效率，位于内侧的第一支撑板71可以与液冷管6焊接连接，以进一步提高二者的安装可靠性。
更进一步地，如图4所示，支撑管73的两端可以偏心连接于第一支撑板71和第二支撑板72。由此，在具体的安装过程中，可适应液冷管6与液冷口之间的配合，便于降低装配难度，且利于对液冷管6进行定位安装，保证液冷管6的安装准确性。
第一支撑板71的外周壁与液管口5的第一端的内周壁贴合，且第二支撑板72的外周壁与液管口5的第二端的内周壁贴合，可以理解的是，第一支撑板71能够完全封闭液管口5的第一端，第二支撑板72的外周壁能够完全封闭液管口5的第二端，由此，可通过第一支撑板71和第二支撑板72分别对液管口5第一端和第二端起到完全密封的作用，增强液冷管6与液冷口的连接稳定性。
需要说明的是，液冷管6可以作为出液管使用，此时，冷却介质可以通过延伸段62流至主体段61，并从主体段61流出。或者，液冷管6可以作为进液管使用，此时，冷却介质可以通过主体段61流至延伸段62，并从主体段61流至车身地板总成100的液冷模块，进而实现对电池模组3的降温。
液管口5可以包括进液口和出液口，进液口和出液口可以均设于外边框42的同一侧，且间隔开设置，液冷管6可以包括进液管和出液管。其中，进液管安装于进液口，出液管安装于出液口，进而，冷却介质可以依次通过进液管、液冷模块和出液口以形成循环，从而实现对电池模组3的降温。
由此，进液管和出液管分别安装于进液口和出液口，便于冷却介质通过进液管进入电池安装腔内以与液冷模块相连，再经由出液管流出，从而实现对电池模组3的降温，降低电池模组3的热失控风险。
下面结合图5-图9描述叶冷管的整体安装过程，将液冷管6的延伸段62先于主体段61通过液管口5伸入下壳体4内部，此时，延伸段62的中心轴线与主体段61的中心轴线可以位于同一平面内，液冷管6伸入后，其延伸段62位于下壳体4内部，主体段61的部分段位于下壳体4内部，其余部分位于下壳体4外部。而后，旋转液冷管6，使得延伸段62的中心轴线可以垂直于主体段61的中心轴线，并且，延伸段62不与主体段61相连的一端可伸出于下壳体4，以便于与液冷模块的安装连接，此时，如图8和图9所示，将支撑座7安装于液冷管6上，且支撑座7的第一支撑板71和第二支撑板72分别支撑于液冷口的第一端和第二端，从而对液冷口进行密封，且通过支撑座7对液冷管6起到支撑和固定的作用，增强液冷管6的结构稳定性。
本申请还提出了一种车辆。
根据本申请实施例的车辆，通过对车身结构进行改进，以使电池模组3和下壳体4能够实现自下而上的安装，且对于电池模组3的密封性的要求较低，同时电气出插件安装方便，且通过对液冷管6进行改进，使得该液冷管6能够满足在下壳体4高度较低时的液冷系统的布置安装形式，从而能够更好地对电池模组3进行冷却，增强了电池模组3的安全性和实用性。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”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申请和简化描述，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申请的限制。
在本申请的描述中，“第一特征”、“第二特征”可以包括一个或者更多个该特征。
在本申请的描述中，“多个”的含义是两个或两个以上。
在本申请的描述中，第一特征在第二特征“之上”或“之下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。
在本申请的描述中，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (10)

  1. 一种车身地板总成(100)，其特征在于，包括：
    车身地板(1)；
    车身安装结构(2)，所述车身安装结构(2)安装于所述车身地板(1)的下侧面，且与所述车身地板(1)限定出朝下敞开的电池安装腔，所述电池安装腔用于安装电池模组(3)；
    下壳体(4)，所述下壳体(4)用于封闭所述电池安装腔的敞开端，所述下壳体(4)包括壳本体(41)和环绕所述壳本体(41)的外边框(42)，所述外边框(42)设有液管口(5)；
    液冷管(6)，所述液冷管(6)贯穿所述液管口(5)伸至所述电池安装腔内以与所述电池模组(3)的液冷模块相连。
  2. 根据权利要求1所述的车身地板总成(100)，其特征在于，所述液冷管(6)包括主体段(61)和延伸段(62)，所述延伸段(62)与所述主体段(61)的端部相连且与所述主体段(61)弯折相连，所述液管口(5)构造为具有长条形横截面，所述延伸段(62)的延伸长度小于所述液管口(5)的开口宽度且大于所述液管口(5)的开口高度，所述主体段(61)的延伸长度大于所述液管口(5)的深度。
  3. 根据权利要求2所述的车身地板总成(100)，其特征在于，所述液冷管(6)还包括连接于所述主体段(61)与所述延伸段(62)之间的弧形过渡段(63)。
  4. 根据权利要求2或3所述的车身地板总成(100)，其特征在于，所述延伸段(62)与所述主体段(61)垂直，且所述延伸段(62)适于在所述电池安装腔内相对于所述主体段(61)朝上延伸。
  5. 根据权利要求2-4中任一项所述的车身地板总成(100)，其特征在于，还包括：支撑座(7)，所述支撑座(7)套设于所述主体段(61)外，且所述支撑座(7)支撑于所述液管口(5)内。
  6. 根据权利要求5所述的车身地板总成(100)，其特征在于，所述支撑座(7)包括第一支撑板(71)、第二支撑板(72)和连接于所述第一支撑板(71)和所述第二支撑板(72)之间的支撑管(73)，所述第一支撑板(71)支撑于所述液管口(5)的第一端的内周壁，所述第二支撑板(72)支撑于所述液管口(5)的第二端的内周壁，所述主体段(61)贯穿所述支撑管(73)。
  7. 根据权利要求6所述的车身地板总成(100)，其特征在于，所述支撑管(73)的两端偏心连接于所述第一支撑板(71)和所述第二支撑板(72)。
  8. 根据权利要求6或7所述的车身地板总成(100)，其特征在于，所述第一支撑板(71)的外周壁与所述液管口(5)的第一端的内周壁贴合，且所述第二支撑板(72)的外周壁与所述液管口(5)的第二端的内周壁贴合。
  9. 根据权利要求1-8中任一项所述的车身地板总成(100)，其特征在于，所述液管口 (5)包括进液口和出液口，所述液冷管(6)包括进液管和出液管；其中
    所述进液管安装于所述进液口，所述出液管安装于所述出液管。
  10. 一种车辆，其特征在于，设置有权利要求1-9中任一项所述的车身地板总成(100)。
PCT/CN2022/112260 2021-08-17 2022-08-12 车身地板总成和具有其的车辆 WO2023020402A1 (zh)

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