WO2023020175A1 - 车辆的车身地板总成以及车辆 - Google Patents

车辆的车身地板总成以及车辆 Download PDF

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Publication number
WO2023020175A1
WO2023020175A1 PCT/CN2022/106088 CN2022106088W WO2023020175A1 WO 2023020175 A1 WO2023020175 A1 WO 2023020175A1 CN 2022106088 W CN2022106088 W CN 2022106088W WO 2023020175 A1 WO2023020175 A1 WO 2023020175A1
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WO
WIPO (PCT)
Prior art keywords
installation
battery
vehicle body
body floor
vehicle
Prior art date
Application number
PCT/CN2022/106088
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
张德磊
郭志远
张海建
唐丽娟
Original Assignee
蜂巢能源科技股份有限公司
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 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
Priority to DE112022000452.5T priority Critical patent/DE112022000452T5/de
Publication of WO2023020175A1 publication Critical patent/WO2023020175A1/zh

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Classifications

    • 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
    • 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
    • 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
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection
    • 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
    • B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars

Definitions

  • the present application aims to propose a vehicle body floor assembly, the vehicle body floor assembly is coordinated by the body floor, the body mounting structure and the lower case, the battery pack does not need to be provided with an upper case, and can be omitted.
  • the gap between the upper shell structure of the traditional vehicle battery pack and the body structure can also save the gap between the frame structure of the traditional vehicle battery pack and the body structure, and more battery modules can be arranged in the battery installation cavity.
  • the group can increase the total power of the battery module, which is beneficial to increase the mileage of the vehicle.
  • a body floor assembly of a vehicle comprising: a body floor; a body installation structure, the body installation structure and the body floor together define a battery installation cavity open downward; a lower case, the lower case and the body
  • the vehicle body installation structure is connected and used to close the open end of the battery installation cavity, and the lower case is used to support the battery module in the battery installation cavity.
  • the lower housing is provided with a first supporting beam and a supporting longitudinal beam
  • the lower part of the vehicle body floor is provided with a mounting beam and a mounting longitudinal beam, and the first supporting beam and the mounting beam connected, the supporting stringer is connected to the installation stringer.
  • the lower shell includes: a front side beam, a left side beam, a rear side beam and a right side beam, and the front side beam, the left side beam, the rear side beam and the right side beam are connected end to end in sequence, Both ends of the first supporting beam are respectively connected to the left side beam and the right side beam, and both ends of the supporting longitudinal beam are respectively connected to the front side beam and the rear side beam.
  • the front installation box includes: a front installation plate and a front cover plate, the front installation plate and the front cover plate define the first installation cavity, and the front installation plate and the front cover plate define the first installation cavity.
  • the lower casing is connected, and the front mounting plate is sealed with the front cover;
  • the rear mounting box includes: a rear mounting plate and a rear cover, and the rear mounting plate and the rear cover define the The second installation cavity, the rear installation plate is connected to the lower housing, and the rear installation plate is sealed in connection with the rear cover.
  • the vehicle body floor assembly further includes: a water cooling plate, the water cooling plate is arranged between the support longitudinal beam and the support beam, and the water cooling plate is used to support the The battery module described above.
  • both the installation beam and the installation longitudinal beam are arranged in the battery installation cavity, and a connection harness and a connection copper bar are arranged above the lower housing, and the connection harness and/or The connecting copper bar has an avoidance structure for avoiding the installation beam and the installation longitudinal beam.
  • the front side beam and/or the rear side beam are provided with water pipe installation holes.
  • FIG. 1 is a schematic diagram of a vehicle body floor and a vehicle body installation structure described in an embodiment of the present application;
  • Fig. 3 is a partial cross-sectional schematic diagram of the vehicle body floor assembly described in the embodiment of the present application.
  • Fig. 8 is an exploded schematic diagram of the lower casing, parts and battery module described in the embodiment of the present application.
  • Fig. 10 is a schematic cross-sectional view of the first connector described in the embodiment of the present application.
  • Fig. 11 is a schematic cross-sectional view of the second connector described in the embodiment of the present application.
  • Fig. 15 is a schematic diagram of the front side beam described in the embodiment of the present application.
  • Fig. 16 is a schematic cross-sectional view of the front side beam described in the embodiment of the present application.
  • the number of battery modules 40 can be set in multiples, and multiple battery modules 40 can be arranged in the battery installation cavity 101, and multiple battery modules 40 can provide electricity for the vehicle, so that the vehicle can When driving, the amount of electricity stored in the battery module 40 will directly affect the mileage of the vehicle.
  • the module copper bar 407 is provided with a first avoidance structure 408 bent downward, and the lower side of the first avoidance structure 408 is attached to the bottom wall of the avoidance gap 409, so that the upper side of the first avoidance structure 408 Spaced apart to reserve enough avoidance space, the first avoidance structure 408 is directly opposite to the installation beam 102 and/or the installation longitudinal beam 103, so as to ensure that the module copper bar 407 can effectively avoid the installation beam 102 and/or the installation longitudinal beam 103 , so as to ensure that the module copper bar 407 can work normally.
  • the connecting wire harness 404 is extended on the outside of two adjacent battery modules 40 , and the connecting wire harness 404 extends along the arrangement direction of the two adjacent battery modules 40 , and the connecting wire harness 404 is facing the avoidance gap 409
  • a avoidance section 412 is provided at a position of , and the avoidance section 412 is bent downward to fit the upper surface of the lower casing 30 .
  • the first fixing bracket 413 can be taken as two, and the two first fixing brackets 413 are arranged at intervals along the extension direction of the connection harness 404 at the lower housing 30 , and the height of the first fixing bracket 413 is Lower than the lower surface of the installation beam 102 and the installation longitudinal beam 103, the escape section 412 of the connecting wire harness 404 passes through the two first fixing brackets 413 in sequence, so that the avoidance section 412 is spaced apart from the installation beam 102 and the installation longitudinal beam 103 , so that the installation beam 102 and the installation longitudinal beam 103 cannot interfere with the normal operation of the connecting wire harness 404, and the stability of the connecting wire harness 404 is improved.
  • the relative position of the first sealing ring 415 and the battery installation cavity 101 remains fixed, which reduces the influence during the installation process of the lower case 30 and improves the The installation accuracy ensures the reliability of the sealing structure.
  • the lower surfaces of the left sill beam 201 and the right sill beam 202 are respectively provided with groove structures extending in the longitudinal direction
  • the lower surfaces of the front crossbeam 203 and the rear crossbeam 204 are respectively provided with groove structures extending in the transverse direction
  • a plurality of groove structures are connected in the circumferential direction to define a first sealing groove surrounding the battery installation cavity 101 .
  • the first heat insulator 420 is detachably connected to the battery module 40, which facilitates the installation and disassembly of the first heat insulator 420 and the battery module 40, reduces the difficulty of assembling the two, and improves production efficiency. And it is convenient to replace the first heat insulating member 420 or the battery module 40 separately when there is a problem with the first heat insulating member 420 or the battery module 40 , which reduces maintenance difficulty and enhances the practicability of the battery module 40 .
  • the second heat insulation member 421 is made of a buffer heat insulation material, that is to say, the second heat insulation member 421 can be configured as a buffer insulation layer, and the material of the buffer insulation layer can be a buffer heat insulation foam , the heat insulation of the buffer heat insulation foam can be used to insulate between the battery module 40 and the vehicle body floor 10, so as to avoid heat transfer between the battery module 40 and the vehicle body floor 10, and reduce battery life.
  • the two water pipe installation holes 3075 can be respectively arranged on both sides of the first escape hole 3074, so that the two water pipes 3076 can be prevented from interfering with each other.
  • the rear edge beam 309 may be provided with a water pipe installation hole 3075.
  • the rear edge beam 309 may be provided with two water pipe installation holes 3075, and the water pipe 3076 may include a water inlet pipe and an outlet pipe.
  • the water inlet pipe and the water outlet pipe can pass through the two water pipe installation holes 3075 respectively, and both the water inlet pipe and the water outlet pipe can be connected to the water cooling plate 401.
  • the cooling water can flow into the water cooling plate 401 through the water inlet pipe, and the cooling water can flow out of the water cooling plate through the water outlet pipe. plate 401.
  • the two water pipe installation holes 3075 can be respectively arranged on both sides of the second escape hole 3094, so that the two water pipes 3076 can be prevented from interfering with each other.
  • the water inlet pipe can be arranged through the water pipe installation hole 3075 on the rear side beam 309, and the water outlet pipe can be arranged through the water pipe installation hole 3075 on the front side beam 307, and the cooling water can flow into the water cooling plate 401 through the water inlet pipe, and the cooling water can be The water cooling plate 401 flows out through the water outlet pipe.
  • Such setting can make the water pipe installation holes 3075 have various layout forms, so that the water pipe installation holes 3075 can be provided in the front side beam 307 and/or the rear side beam 309 conveniently.
  • Such setting can ensure the installation stability of the water cooling plate 401, can avoid the movement of the water cooling plate 401, thereby can ensure the firmness of the bonding between the water cooling plate 401 and the battery module 40, and can ensure that the water cooling plate 401 can efficiently adjust the battery module 40 temperature.
  • the end of the battery module 40 close to the second installation part 3073 can be connected to the second installation part 3073, in other words, the second installation part 3073 can be used to install the battery
  • the module 40 is arranged in such a way that the battery module 40 can be firmly installed in the battery installation cavity 101 , and the battery module 40 can be prevented from moving in the battery installation cavity 101 .
  • the rear edge beam 309 may include a second beam body 3091 and a third mounting portion 3092, and the third mounting portion 3092 may be connected to the second beam body 3091, and, in In the longitudinal direction of the vehicle (that is, the front-rear direction of the vehicle), the third mounting part 3092 can be arranged behind the second beam body 3091, the second beam body 3091 can be used to connect with the vehicle body mounting structure 20, and the third mounting part 3092 can be connected with The rear installation box 60 at the rear end of the lower housing 30 is connected and arranged.
  • the rear side beam 309 may also include a fourth mounting part 3093, which may be connected with the second beam body 3091, and, in the longitudinal direction of the vehicle, (that is, the front-rear direction of the vehicle), the fourth installation part 3093 can be arranged in front of the second beam body 3091 , and the rear end of the water cooling plate 401 of the lower case 30 can be connected with the fourth installation part 3093 .
  • the fourth installation part 3093 and the second beam body 3091 can be connected by welding, or the fourth installation part 3093 and the second beam body 3091 can also be constructed as an integral molding.
  • the third installation The part 3092, the second beam body 3091 and the fourth mounting part 3093 are constructed as an integral molding, and the structural strength of the integral molding is relatively high.
  • the rear end of the water cooling plate 401 of the lower case 30 and the fourth mounting portion 3093 can be connected and set by bonding, or the rear end of the water cooling plate 401 of the lower case 30 can be connected to the fourth mounting portion 3093 .
  • the installation part 3093 can also be connected and arranged by screwing.
  • Such setting can further ensure the installation stability of the water-cooled plate 401, can further prevent the water-cooled plate 401 from moving, thereby can further ensure the firmness of the bonding between the water-cooled plate 401 and the battery module 40, and can further ensure that the water-cooled plate 401 can be efficiently Adjust the temperature of the battery module 40 .
  • the rear side beam 309 can be provided with a second avoidance hole 3094, and the second avoidance hole 3094 can be arranged through the rear side beam 309 along the front-rear direction of the vehicle, and the second avoidance hole 3094 can communicate with the battery installation cavity 101 and the rear installation box 60 , specifically, the second escape hole 3094 can communicate with the second installation cavity defined by the rear installation box 60 and the battery installation cavity 101 .
  • the rear drive copper bar 405 and the communication wire harness can also be arranged through the second avoidance hole 3094, which makes it easier to arrange the rear drive copper bar 405 and the communication wire harness.
  • first feature and “second feature” may include one or more of these features.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Body Structure For Vehicles (AREA)
PCT/CN2022/106088 2021-08-17 2022-07-15 车辆的车身地板总成以及车辆 WO2023020175A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112022000452.5T DE112022000452T5 (de) 2021-08-17 2022-07-15 Karosseriebodenbaugruppe für Fahrzeug und Fahrzeug

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110941472.7 2021-08-17
CN202110941472.7A CN113548117B (zh) 2021-08-17 2021-08-17 车辆的车身地板总成以及车辆

Publications (1)

Publication Number Publication Date
WO2023020175A1 true WO2023020175A1 (zh) 2023-02-23

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PCT/CN2022/106088 WO2023020175A1 (zh) 2021-08-17 2022-07-15 车辆的车身地板总成以及车辆

Country Status (3)

Country Link
CN (1) CN113548117B (de)
DE (1) DE112022000452T5 (de)
WO (1) WO2023020175A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117059985A (zh) * 2023-10-12 2023-11-14 吉林大学 一种高效减振及碰撞多级缓冲的动力电池包
CN117748037A (zh) * 2024-02-19 2024-03-22 中铝材料应用研究院有限公司 电池包框架、框架组及新能源重型卡车

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CN218085745U (zh) * 2021-08-17 2022-12-20 蜂巢能源科技有限公司 车身地板总成和具有其的车辆
CN218085746U (zh) * 2021-08-17 2022-12-20 蜂巢能源科技有限公司 车身地板总成和具有其的车辆
CN113548117B (zh) * 2021-08-17 2024-02-27 蜂巢能源科技有限公司 车辆的车身地板总成以及车辆
CN114267917A (zh) * 2021-11-26 2022-04-01 浙江零跑科技股份有限公司 一种车身与电池包集成的挂载点结构
CN114083972A (zh) * 2021-12-13 2022-02-25 广州小鹏汽车科技有限公司 电池包的安装结构和车辆
CN114654988A (zh) * 2022-02-24 2022-06-24 中国第一汽车股份有限公司 与车身功能集成的电池包及车辆
CN117002241A (zh) * 2022-03-31 2023-11-07 比亚迪股份有限公司 车辆
CN114889696B (zh) * 2022-04-26 2023-12-05 浙江零跑科技股份有限公司 一种电动汽车
CN115140171B (zh) * 2022-06-28 2023-04-11 东风汽车集团股份有限公司 一种车身结构及车辆
CN115285223A (zh) * 2022-08-05 2022-11-04 智己汽车科技有限公司 一种车身架构、下车身结构设计方法及纯电动汽车
CN115332707A (zh) * 2022-08-29 2022-11-11 浙江极氪智能科技有限公司 电池包、车身结构和车辆

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CN215622297U (zh) * 2021-08-17 2022-01-25 蜂巢能源科技有限公司 车辆的车身地板总成以及车辆

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JP2002274442A (ja) * 2001-03-23 2002-09-25 Mitsubishi Automob Eng Co Ltd バッテリ格納装置
CN110316259A (zh) * 2018-03-30 2019-10-11 比亚迪股份有限公司 前地板总成及汽车
CN110329360A (zh) * 2018-03-30 2019-10-15 比亚迪股份有限公司 车身结构及汽车
CN113548117A (zh) * 2021-08-17 2021-10-26 蜂巢能源科技有限公司 车辆的车身地板总成以及车辆
CN215622297U (zh) * 2021-08-17 2022-01-25 蜂巢能源科技有限公司 车辆的车身地板总成以及车辆

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117059985A (zh) * 2023-10-12 2023-11-14 吉林大学 一种高效减振及碰撞多级缓冲的动力电池包
CN117059985B (zh) * 2023-10-12 2023-12-15 吉林大学 一种高效减振及碰撞多级缓冲的动力电池包
CN117748037A (zh) * 2024-02-19 2024-03-22 中铝材料应用研究院有限公司 电池包框架、框架组及新能源重型卡车
CN117748037B (zh) * 2024-02-19 2024-05-07 中铝材料应用研究院有限公司 电池包框架、框架组及新能源重型卡车

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CN113548117B (zh) 2024-02-27
DE112022000452T5 (de) 2023-10-12

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