WO2024007668A1 - Ensemble châssis intégré de véhicule électrique et véhicule électrique - Google Patents

Ensemble châssis intégré de véhicule électrique et véhicule électrique Download PDF

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Publication number
WO2024007668A1
WO2024007668A1 PCT/CN2023/088242 CN2023088242W WO2024007668A1 WO 2024007668 A1 WO2024007668 A1 WO 2024007668A1 CN 2023088242 W CN2023088242 W CN 2023088242W WO 2024007668 A1 WO2024007668 A1 WO 2024007668A1
Authority
WO
WIPO (PCT)
Prior art keywords
controller
chassis
electric vehicle
motor
battery pack
Prior art date
Application number
PCT/CN2023/088242
Other languages
English (en)
Chinese (zh)
Inventor
陈瑞
Original Assignee
常州浩万新能源科技有限公司
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 常州浩万新能源科技有限公司 filed Critical 常州浩万新能源科技有限公司
Publication of WO2024007668A1 publication Critical patent/WO2024007668A1/fr

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Classifications

    • 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
    • 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
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present application relates to the field of electric vehicles, specifically, to an integrated chassis component of an electric vehicle and an electric vehicle.
  • Existing vehicle chassis components generally include three main components: battery pack, traveling motor, and motor controller. They are independent of each other and each component is provided with a separate shell structure and connection structure, which are fastened to the frame structure through screws. The communication and power supply between them are realized by cable connection.
  • this application provides an integrated chassis assembly for an electric vehicle, including a chassis structure, a battery pack, a motor and a controller.
  • the battery pack, the motor and the controller are all installed on the chassis structure, and The battery pack and the controller, and the controller and the motor are connected through a plug-in connection, and the power supply and communication between the components are realized through the plug-in connection.
  • the battery pack, travel motor and controller are integrated into an overall structure, and the power supply and communication of each component are realized through plugging, which reduces the number and weight of structural parts and has high space utilization.
  • the internal connecting cables are removed, and the structure is simple and refreshing. It facilitates the automated assembly of robots and can realize fully unmanned assembly of the chassis, greatly improving production efficiency and reducing costs.
  • the connection between the battery pack, controller and motor is greatly shortened, which greatly reduces the line resistance, reduces loss and heat, improves the efficiency of the entire vehicle, and thus extends the vehicle's endurance.
  • the chassis structure is provided with a battery case
  • the battery pack is installed on the chassis structure, and the battery case wraps the battery inside it.
  • the battery case is used to wrap the battery pack inside, effectively preventing foreign objects from entering and being bumped.
  • the battery case is divided into at least two parts, at least one part of which is integrally connected with the chassis structure, and at least one part of which is integrally connected with the chassis structure.
  • the battery housing is removably connected.
  • the controller includes a circuit board, and the circuit board is fixedly mounted on a mounting vertical plate on the facade of the chassis structure.
  • the battery pack is provided with a battery pack output socket at one end close to the controller, and the circuit board plug Plug-in connection with the battery pack output socket.
  • the circuit board is fixed to the mounting riser on the facade of the chassis structure via screws.
  • a thermally conductive material is filled between the circuit board and the chassis structure.
  • the use of thermally conductive materials ensures good contact between the circuit board and chassis structure and smooth heat dissipation channels.
  • the motor includes a stator and rotor structure, a motor housing sleeved outside the stator and rotor structure, and a power port.
  • the power port is fixed on the motor housing and close to the control unit.
  • the power terminal on the circuit board is plug-connected to the power port.
  • both ends of the stator and rotor structure are fixed and sealed by upper end covers and lower end covers.
  • the controller further includes a controller housing, the controller housing is integrally connected to the motor housing, and the controller housing is fixedly mounted on a mounting vertical plate on the facade of the chassis structure. on the controller, and the circuit board and the power port are located in the controller housing. Install the assembled motor and controller as a whole to the chassis facade. When the motor and controller are fixed on the chassis structure by tightening screws, the power terminal of the controller is inserted into the motor power port to realize power supply and communication between the motor and the controller. connect.
  • a sealing gasket is provided at the installation location between the controller housing and the mounting vertical plate on the chassis structure facade, which can ensure that the controller housing and the chassis structure facade mounting vertical plate form a tight seal after installation.
  • the controller cavity is effectively waterproof and dustproof.
  • the chassis structure is provided with heat dissipation fins, and heat dissipation fins are added to the vehicle chassis frame, which greatly increases the heat dissipation surface area and further enhances the heat dissipation effect.
  • the entire vehicle chassis is used as a radiator, and the cooling fins are spread on both sides of the chassis structure. The heat dissipation area and heat dissipation quality are greatly increased, and the heat dissipation effect is improved.
  • the shells of the chassis structure are all metal parts, which have good heat dissipation quality and a large heat dissipation area.
  • the chassis as a whole can be used as a radiator for the motor and controller. Since the heat dissipation effect is directly proportional to the surface area and quality of the radiator, This design greatly improves the heat dissipation effect without adding additional body mass and surface area.
  • we added heat dissipation fins to the vehicle chassis frame which greatly increased the heat dissipation surface area and further enhanced the heat dissipation effect.
  • This application also provides an electric vehicle, which includes the above-mentioned integrated chassis assembly.
  • the integrated chassis assembly is fixed at the middle position of the vehicle body as a whole.
  • the front end is provided with a hanging ear fixedly connected to the vehicle frame, and the rear end is provided with a hanging ear.
  • the rear fork structure is articulated with the wheel.
  • radiator significantly reduces the weight of the vehicle and improves the vehicle's battery life; the cooling fins are spread on both sides of the chassis structure, greatly increasing the heat dissipation area and heat dissipation quality, and improving the heat dissipation effect.
  • the controller housing is integrated with the motor housing.
  • the motor and controller share a structural housing.
  • the structural parts are fully utilized, forming a refined whole, which effectively reduces the size of non-critical structures. and the total mass, increasing the battery pack capacity and proportion, which is beneficial to improving vehicle speed and cruising range.
  • Figure 1 is a schematic three-dimensional structural diagram of the preferred integrated chassis assembly of the present application.
  • FIG. 2 is a schematic diagram of the installation of the battery pack chassis structure preferred in this application.
  • Figure 3 is an enlarged view of partial view A in Figure 2;
  • Figure 4 is a schematic diagram of the preferred three-dimensional structure of the motor in this application.
  • Figure 5 is a schematic diagram of the preferred connection structure between the motor and the controller in this application.
  • Chassis structure 11. Protective cover; 12. Bottom plate; 13. Installation vertical plate; 14. Cooling fins; 15. Screws; 2. Battery pack; 21. Battery pack output socket; 3. Motor; 31 , Motor housing; 32. Power port; 33. Upper end cover; 34. Lower end cover; 35. Motor output shaft; 4. Controller; 41. Circuit board; 42. Circuit board plug; 43. Power terminal; 44. Controller housing; 5. Thermal conductive material; 6. Sealing gasket; 7. Hanging ears; 8. Back fork structure.
  • This implementation integrates the battery pack, traveling motor and motor controller into an overall structure.
  • the power supply and communication between the components are realized through plugging.
  • the battery shell is shared as a radiator to improve the efficiency of the heat dissipation fins. In this way The number and weight of structural parts are reduced, space utilization is high, internal connecting cables are removed, the structure is simple and refreshing, and the heat dissipation efficiency is higher.
  • the specific implementation is as follows:
  • the integrated chassis assembly of an electric vehicle includes a chassis structure 1, a battery pack 2, a motor 3 and a controller 4.
  • the battery pack 2, the motor 3 and the controller 4 are all installed on the On the chassis structure 1, the battery pack 2 and the controller 4, and the controller 4 and the motor 3 are connected through a plug-in connection, and the power supply between the components is realized through the plug-in connection. and communication.
  • the connection between the battery pack, controller and motor is greatly shortened, which greatly reduces the line resistance, reduces loss and heat, improves the efficiency of the entire vehicle, and thus extends the vehicle's endurance.
  • the chassis structure 1 is provided with a battery case.
  • the battery pack is installed on the chassis structure, and the battery case wraps the battery inside it.
  • the battery case is divided into at least two parts of the battery case, at least one part of which is integrally connected with the chassis structure, and at least one part of which is detachable with the part of the battery case that is integrally connected with the chassis structure. connect.
  • a protective cover 11 is provided above the chassis structure 1, and a bottom plate 12 is provided below.
  • the battery pack 2 is fixedly installed on the chassis structure 1 through clamping positions from top to bottom.
  • the protective cover 11 and the bottom plate 12 wrap the battery pack 2 inside.
  • bottom plate 12 and the chassis structure 11 are integrally connected.
  • the protective cover 11 and the chassis structure 11 can also be integrally connected.
  • the battery case here can also be of other structures, and only a part of it needs to be detachable so that the battery pack 2 in the battery case can be disassembled and assembled.
  • the battery case can include two left and right parts. Shells, one of which is integrally connected to the chassis structure 1, and the battery pack 2 can be installed into the chassis structure 1 by disassembling the other shell.
  • the controller 4 includes a circuit board 41.
  • the circuit board 41 is fixedly installed on the mounting vertical plate 13 on the facade of the chassis structure 1.
  • the battery pack 2 is provided with a battery pack at one end close to the controller 4.
  • Output socket 21, the circuit board plug 42 is plug-connected to the battery pack output socket 21.
  • the circuit board is fixed on the mounting vertical plate 13 on the facade of the chassis structure 1 through screws 15 .
  • the interface functions between the battery pack and the circuit board here are mainly for power supply and communication. The number can be set according to needs, which can be one or two.
  • the thermal conductive material 5 is filled between the circuit board 41 and the chassis structure 1 .
  • the use of thermally conductive materials ensures good contact between the circuit board and chassis structure and smooth heat dissipation channels.
  • the motor 3 includes a stator and rotor structure (not shown in the figure), a motor housing 31 set outside the stator and rotor structure, and a power port 32.
  • the power port 32 is fixed on the On the side of the motor housing 31 close to the controller 4 , the power terminal 43 on the circuit board 41 is plug-connected to the power port 32 .
  • Both ends of the stator and rotor structure are fixed and sealed by upper end covers 34 and lower end covers 34 .
  • a partition is formed on the side of the motor housing 31 close to the controller 4, and the power port 32 is fixedly installed on the partition.
  • the interface function connected between the motor and the circuit board here is mainly for power supply and communication. The number can be set as needed. The number shown in the picture is 3, but the actual number can be 4 or other numbers.
  • the controller 4 also includes a controller housing 44, which is integrally connected to the motor housing 31.
  • the controller housing 44 is fixedly installed on the motor housing 31.
  • the chassis structure 1 is installed on the vertical plate 13 on the facade, and the circuit board 41 and the power port 32 are located in the controller housing 44 .
  • the installation position between the controller housing 44 and the mounting vertical plate 13 on the facade of the chassis structure 1 is provided with a sealing gasket 6, which can ensure the control between the controller housing and the mounting vertical plate on the chassis structure facade after installation.
  • the device cavity is effectively waterproof and dustproof.
  • the chassis structure 1 is provided with heat dissipation fins 14, and adding heat dissipation fins to the vehicle chassis frame greatly increases the heat dissipation surface area and further enhances the heat dissipation effect.
  • the entire vehicle chassis is used as a radiator, and the cooling fins are spread on both sides of the chassis structure. The heat dissipation area and heat dissipation quality are greatly increased, and the heat dissipation effect is improved.
  • the shells of the chassis structure are all metal parts, which have good heat dissipation quality and a large heat dissipation area.
  • the chassis as a whole can be used as a radiator for the motor and controller. Since the heat dissipation effect is directly proportional to the surface area and quality of the radiator, This design greatly improves the heat dissipation effect without adding additional body mass and surface area.
  • we added heat dissipation fins to the vehicle chassis frame which greatly increased the heat dissipation surface area and further enhanced the heat dissipation effect.
  • This embodiment also provides an electric vehicle, including the above-mentioned integrated chassis assembly.
  • the integrated chassis assembly is fixed at the middle position of the vehicle body as a whole.
  • the front end is provided with a hanger fixedly connected to the vehicle frame.
  • the rear end of the lug 7 is provided with a rear fork structure 8 articulated with the wheel.
  • the rear fork structure 8 is fixedly installed on the motor output shafts 35 at both ends of the motor 3; the number and position of the hanging ears 7 can be adjusted according to actual needs, and can be two, respectively arranged on both sides of the front end of the frame; or it can be Three, including two on the lower sides of the front end of the frame and one in the middle of the front end of the frame.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

La présente invention se rapporte au domaine des véhicules électriques et divulgue un ensemble châssis intégré de véhicule électrique et un véhicule électrique comprenant une structure de châssis, un bloc-batterie, un moteur et un dispositif de commande. Le bloc-batterie, le moteur et le dispositif de commande sont tous installés sur la structure de châssis, le bloc-batterie est connecté de manière enfichable au dispositif de commande et le dispositif de commande est connecté de manière enfichable au moteur. La présente invention présente les effets bénéfiques suivants : le bloc-batterie, un moteur de locomotion et le dispositif de commande sont intégrés sur une structure intégrale, l'alimentation électrique et la communication de composants sont obtenues par enfichage, le nombre et le poids d'éléments structuraux sont réduits, un taux d'utilisation d'espace élevé est obtenu, des câbles de connexion internes sont retirés et la structure est simple et propre, l'assemblage automatique par un manipulateur est facilité, l'assemblage entièrement sans équipage du châssis peut être obtenu, l'efficacité de production est considérablement améliorée et les coûts sont réduits.
PCT/CN2023/088242 2022-07-08 2023-04-14 Ensemble châssis intégré de véhicule électrique et véhicule électrique WO2024007668A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202221769840.0U CN218287409U (zh) 2022-07-08 2022-07-08 一种电动车辆一体化底盘组件及电动车辆
CN202221769840.0 2022-07-08

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WO2024007668A1 true WO2024007668A1 (fr) 2024-01-11

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218287409U (zh) * 2022-07-08 2023-01-13 常州浩万新能源科技有限公司 一种电动车辆一体化底盘组件及电动车辆

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004014936A1 (de) * 2003-03-28 2004-11-04 Mitsubishi Denki K.K. Fahrzeug-Energieversorgungssystem
CN109311376A (zh) * 2016-06-17 2019-02-05 罗伯特·博世有限公司 用于车辆的电气轴驱动器
CN209126535U (zh) * 2018-12-06 2019-07-19 苏州蓝石新动力有限公司 一种电池包组件以及电动运载工具
CN210363529U (zh) * 2019-05-27 2020-04-21 洛阳翔邦机械制造有限公司 管道用运输车
CN112172489A (zh) * 2019-07-03 2021-01-05 潍坊佩特来电器有限公司 一种集成同轴式电驱动桥系统
CN112829694A (zh) * 2021-03-01 2021-05-25 远景动力技术(江苏)有限公司 一种电动汽车控制系统及电动汽车
CN218287409U (zh) * 2022-07-08 2023-01-13 常州浩万新能源科技有限公司 一种电动车辆一体化底盘组件及电动车辆

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004014936A1 (de) * 2003-03-28 2004-11-04 Mitsubishi Denki K.K. Fahrzeug-Energieversorgungssystem
CN109311376A (zh) * 2016-06-17 2019-02-05 罗伯特·博世有限公司 用于车辆的电气轴驱动器
CN209126535U (zh) * 2018-12-06 2019-07-19 苏州蓝石新动力有限公司 一种电池包组件以及电动运载工具
CN210363529U (zh) * 2019-05-27 2020-04-21 洛阳翔邦机械制造有限公司 管道用运输车
CN112172489A (zh) * 2019-07-03 2021-01-05 潍坊佩特来电器有限公司 一种集成同轴式电驱动桥系统
CN112829694A (zh) * 2021-03-01 2021-05-25 远景动力技术(江苏)有限公司 一种电动汽车控制系统及电动汽车
CN218287409U (zh) * 2022-07-08 2023-01-13 常州浩万新能源科技有限公司 一种电动车辆一体化底盘组件及电动车辆

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