CN211000893U - Power system capable of realizing high-power charging - Google Patents

Power system capable of realizing high-power charging Download PDF

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Publication number
CN211000893U
CN211000893U CN201921166587.8U CN201921166587U CN211000893U CN 211000893 U CN211000893 U CN 211000893U CN 201921166587 U CN201921166587 U CN 201921166587U CN 211000893 U CN211000893 U CN 211000893U
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power
charging
vehicle
driving motor
current charging
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CN201921166587.8U
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霍云龙
杨钫
车显达
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FAW Group Corp
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FAW Group Corp
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    • 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
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Abstract

The utility model discloses a power system capable of realizing high-power charging, which comprises a power assembly, an accessory module, a high-power charging module and a heat management module; the power assembly and accessory module comprises a driving motor, a motor controller, a power battery system, a high-voltage distribution box, a vehicle-mounted charger integrated DCDC assembly, an air conditioner compressor, a motor battery cooling system water pump, a brake vacuum pump, an alternating current charging device and a high-voltage wire harness; the high-power charging module comprises a direct-current charging seat, a direct-current charging harness and a charging control guide circuit; the heat management system is fixedly arranged on a right longitudinal beam of the vehicle, and pipelines of the air conditioning system are arranged along the right longitudinal beam and the middle of a front wall of the vehicle and the driving motor; the water channels of the motor battery water cooling system are arranged between the driving motor and the left longitudinal beam and between the driving motor and the front end cooling module, and the driving motor is surrounded by the pipeline part of the whole heat management system. The charging device is matched with an external high-power direct-current charging station for use, so that the charging time can be effectively shortened.

Description

Power system capable of realizing high-power charging
Technical Field
The utility model relates to a pure electric vehicles driving system and vehicle arrangement structure, concretely relates to can realize the driving system that high-power charges, realize easily that the system of reforming transform is upgraded on traditional pure electric vehicles platform.
Background
At present, the high-power charging technology of the pure electric vehicle is an important breakthrough for shortening the charging time, and the safety, reliability and compatibility of the charging are key points of the development and application of the technology. Along with the obvious promotion of power battery electricity core charging capacity, the high-power direct current charging station's of future comes into operation, and the electric vehicle end can effectively realize the high-power function of charging of vehicle through the driving system and the high-power module of charging of matching high-voltage platform. For the field of passenger vehicles, high-power charging by adding a charging power conversion device has been proposed, but no related patent specifically describes the application of a high-power charging technology of a vehicle by matching a power system of a high-voltage platform, and a description of a specific structural arrangement of the system.
In recent years, along with the continuous upgrade of power batteries and charging technologies of electric vehicles, in order to adapt to the emerging high-power direct-current charging pile technology, the realization of matching the high-power charging technology with a power system and a high-power charging module of a high-voltage platform at the electric vehicle end is required. The existing high-power charging system or device realizes the change of charging power through a device with a power conversion function, and does not realize a high-power charging technology from the aspect of improving the voltage platform of the whole vehicle and the charging capability of a battery.
Disclosure of Invention
In order to solve the above problems in the prior art, the utility model provides a power system capable of realizing high-power charging, the modularized system scheme and structure of the power system are favorable for modification on the existing electric vehicle platform, and three functions of common alternating current charging, common direct current charging and high-power charging are realized simultaneously, so that the requirements of vehicle enterprises and charging pile manufacturers on relevant high-power charging tests can be met at the present stage; the charging device is matched with an external high-power direct-current charging station for use, so that the charging time can be effectively shortened, the power battery can complete the charging process in about 10 minutes, and the charging anxiety problem which puzzles electric vehicle users can be greatly relieved.
The utility model discloses a realize through following technical scheme during the purpose:
a power system capable of realizing high-power charging comprises three modules: the system comprises a power assembly, an accessory module, a high-power charging module and a thermal management module;
the power assembly and accessory module comprises a driving motor, a speed reducer, a motor controller, a power battery system, a high-voltage distribution box, a vehicle-mounted charger integrated DCDC assembly, an air conditioner compressor, an alternating-current charging seat and a high-voltage wire harness; the driving motor and the speed reducer are connected into a whole through a spline and fixed on a power assembly suspension through a suspension bracket; a bottom layer fixing support is arranged on the upper surface of the driving motor, and the vehicle-mounted alternating current charger integrated DCDC is fixed on the bottom layer fixing support; the first high-voltage distribution box support is fixed on the bottom layer fixing support and is positioned above the integrated DCDC of the vehicle-mounted alternating current charger, and the high-voltage distribution box is fixed on the first high-voltage distribution box support; the motor controller is fixed on the bottom layer bracket, and the second high-voltage distribution box bracket is a shared bracket of the high-voltage distribution box and the motor controller; the air conditioner compressor is fixedly arranged on the side surface of the driving motor through an air conditioner compressor bracket; the alternating-current charging seat is fixed at the rear part of the vehicle body, and an alternating-current charging harness is led out from the integrated DCDC of the vehicle-mounted alternating-current charging seat, passes through the instrument panel and is connected to the alternating-current charging seat through passing below the threshold guard plate in the vehicle; the power battery assembly is fixedly arranged at the bottom position under the rear floor in the body-in-white and is connected with the motor controller through a direct current bus; and the motor cooling water pump and the battery cooling water pump in the heat management module are all fixedly arranged on the driving motor body through a bracket.
The power system capable of realizing high-power charging comprises a high-power charging module, a high-power charging module and a charging control module, wherein the high-power charging module comprises a direct-current charging seat, a direct-current charging harness and a charging control guide circuit; the direct-current charging seat is fixedly arranged on a beam of a front bumper of the vehicle, the charging port is arranged at the position of a vehicle logo, one end of the direct-current charging harness is directly pressed on the direct-current charging seat, and the other end of the direct-current charging harness is connected to a charging port of the power battery through a high-voltage connector; the charging control guide circuit is integrated in the vehicle controller and is connected to the front power assembly wiring harness and the low-voltage interface of the high-power direct-current charging seat.
The power system capable of realizing high-power charging is characterized in that the heat management module is fixedly arranged on a right longitudinal beam of the vehicle and comprises an air-conditioning refrigeration system, a motor cooling loop, a battery cooling loop and a control system; the motor cooling loop connects the radiator, a motor cooling loop system water pump, a vehicle-mounted charger integrated DCDC and the driving motor into a loop through pipelines in sequence; the battery cooling loop sequentially connects the intermediate heat exchanger, a battery cooling loop system water pump and the power battery into a loop; the air-conditioning refrigeration system comprises an electronic air-conditioning compressor, an outdoor condenser, an intermediate heat exchanger, an electronic expansion valve, an electronic two-way valve and the like, and is connected through pipelines to form a loop, and the pipelines of the air-conditioning refrigeration system are arranged along the right longitudinal beam and the middle of the front wall of the automobile and the driving motor; the battery cooling loop is coupled with the air-conditioning refrigeration system and exchanges heat through the intermediate heat exchanger; the motor cooling water path and the battery cooling water path are arranged between the driving motor and the left longitudinal beam and between the driving motor and the radiator, and the driving motor is surrounded by the pipeline part of the whole heat management system.
The power system capable of realizing high-power charging comprises a first power assembly front suspension, a second power assembly front suspension and a power assembly rear suspension, wherein the first power assembly front suspension and the second power assembly front suspension are fixedly arranged on a front suspension beam of a body-in-white through bolts, and the power assembly rear suspension is fixed on an auxiliary frame.
The utility model discloses following beneficial effect has:
the utility model discloses driving system includes three module: the system comprises a power assembly, an accessory module, a high-power charging module and a thermal management module; the power assembly and accessory module comprises a driving motor, a motor controller, a power battery system, a high-voltage distribution box, a vehicle-mounted charger integrated DCDC assembly, an air conditioner compressor, a motor battery cooling system water pump, a brake vacuum pump, an alternating current charging device, a high-voltage wire harness and a high-voltage connector; the high-power charging module comprises a direct-current charging seat (comprising an electronic lock), a direct-current charging harness, a charging control guide circuit, a charging conversion joint and other charging related low-voltage systems, wherein the adopted direct-current charging seat can bear the maximum charging current of 500A; the vehicle can realize three functions of common alternating current charging, common direct current charging and high-power direct current charging on the same vehicle through the system, thereby supporting related debugging work.
The main components of the heat management system are fixedly arranged on a right longitudinal beam of the vehicle, and all air conditioning system pipelines are arranged along the right longitudinal beam and the middle of a front wall of the vehicle and a driving motor; the water paths of the motor battery water cooling system are arranged along the space between the driving motor and the left longitudinal beam and the space between the driving motor and the front end cooling module (the radiator, the fan and the outdoor condenser), the driving motor is surrounded by the pipeline part of the whole heat management system, the system modules are arranged in a partitioning mode, the front engine room is more attractive in arrangement, and the production and assembly are more convenient; meanwhile, more importantly, the high-voltage wire harness is mainly arranged on the upper portion of the power assembly, the diameter of the high-voltage wire harness is large due to the increase of the current, and the required bending space is large, so that the high-voltage wire harness can be arranged in a larger arrangement space, and the problem of interference with a pipeline of a thermal management system is effectively solved.
Drawings
FIG. 1 is a schematic diagram of a powertrain and accessory module arrangement;
FIG. 2 is a schematic view of a powertrain and accessory module arrangement;
FIG. 3 is a schematic diagram of a high power charging module arrangement;
FIG. 4 is a schematic view of a thermal management module and a forward nacelle layout;
the system comprises a driving motor 1, a speed reducer 2, a motor controller 3, a high-voltage distribution box 4, a vehicle-mounted charger integrated DCDC assembly 5, an air conditioner compressor 6, an air conditioner compressor 7, an air conditioner compressor support 8, a bottom layer fixing support 9, a high-voltage distribution box support 10, a power assembly front suspension 11, a power assembly front suspension 12, a power assembly front suspension 13, a power assembly rear suspension 14, a direct-current charging base 15, a direct-current charging wire harness and a power battery assembly 16.
Detailed Description
The technical scheme of the utility model is described in detail with the attached drawings as follows:
a power system capable of realizing high-power charging comprises three modules: the system comprises a power assembly, an accessory module, a high-power charging module and a thermal management module.
As shown in fig. 1 to 4, the power assembly and the accessory module include a driving motor 1, a speed reducer 2, a motor controller 3, a power battery assembly 16, a high-voltage distribution box 4, a vehicle-mounted charger integrated DCDC assembly 5, an air conditioner compressor 6, a brake vacuum pump, an ac charging device, a high-voltage wire harness, and a high-voltage connector. The driving motor and the speed reducer are connected into a whole through a spline, and the driving motor and the speed reducer are fixedly arranged on a power assembly suspension through a suspension bracket and a bolt; the power assembly suspension comprises a first power assembly front suspension 11 and a second power assembly front suspension 12 which are fixedly arranged on a suspension beam at the front part of the body-in-white through bolts, and a power assembly rear suspension 13 fixed on an auxiliary frame; a bottom layer fixing support 8 is installed on the upper surface of the driving motor through bolts, and the vehicle-mounted alternating current charger integrated DCDC is fixed on the bottom layer fixing support through four bolts; the first high-voltage distribution box support 9 is fixed on the bottom layer fixing support and is positioned above the integrated DCDC of the vehicle-mounted alternating current charger, and the high-voltage distribution box is fixed on the first high-voltage distribution box support through bolts; meanwhile, the motor controller is fixed on the bottom layer bracket through bolts, and the second high-voltage distribution box bracket 10 is a shared bracket of the high-voltage distribution box and the motor controller; the air-conditioning compressor 6 is fixedly arranged on the side surface of the driving motor through an air-conditioning compressor bracket 7; a motor cooling water pump and a battery cooling water pump in the heat management module are all fixedly arranged on the driving motor body through a bracket and a bolt; the vehicle-mounted alternating current charger integrates the DCDC, the high-voltage distribution box and each fixing support of the motor controller, can adopt a common bending process, is simple in structure, ensures that the weight is reduced as much as possible and the sharing principle of a plurality of assemblies is ensured, and the three simple supports can finish the fixed installation of the high-voltage module of the power assembly, so that the whole body is more compact, and the whole application of the whole vehicle production assembly and the whole application of the high-voltage platform power module on other platforms is more facilitated. The alternating-current charging seat is fixedly arranged at the rear part of the vehicle body, and the alternating-current charging harness is led out from the integrated DCDC of the vehicle-mounted alternating-current charging seat, sequentially penetrates through the instrument panel and penetrates to the alternating-current charging seat from the lower part of the threshold guard plate in the vehicle. The power battery assembly 16 is fixedly installed at the bottom position under the rear floor in the body-in-white, and is connected with the motor controller through the direct current bus, the applied power battery supports the charging with 4C charging rate, meanwhile, the system nominal voltage should reach about 700V, the power assembly and other high-voltage assemblies have the working nominal voltage of more than 700V, and the voltage resistance is strong, so the power battery assembly is matched with a matched high-power charging station for use.
As shown in fig. 3, the high power charging module includes a dc charging base 14 (including an electronic lock), a dc charging harness 15, a charging control guidance circuit, a charging adapter, and other low voltage systems related to charging. The module adopts a new version of DC charging seat capable of bearing the maximum charging current of 500A, and simultaneously keeps a DC charging adapter along with the vehicle, and the DC charging gun at the current stage can be compatible with the DC charging gun at the current stage through the adapter, so that the requirement of normal charging of a related vehicle enterprise which is not provided with a high-power charging station can be met, and the charging compatibility is considered. The direct-current charging seat is fixedly arranged on a beam of a front bumper of the vehicle, the charging port is arranged at the position of a vehicle logo and is integrally arranged at the most front position of the vehicle, one end of the direct-current charging harness is directly pressed on the direct-current charging seat, and the other end of the direct-current charging harness is connected to a charging port of the power battery through a high-voltage connector; the charging control guide circuit is integrated in a vehicle control unit or a power battery control unit (BMS) as a small module, is connected with a front power assembly wiring harness and is connected with a low-voltage interface of a high-power direct-current charging seat, has a simple structure and low development cost, and easily meets the hardware function requirement of high-power charging. In order to solve the safety problem caused by the increase of the charging current, the cross section area of all the direct current charging bundles is 95mm2Above pencil, wherein the flexible silica gel material that the flexibility is better is bent to whole car charging wire bundle insulating layer material, reduces large-diameter pencil and otherThe interference problem of the assembly structure is beneficial to the arrangement and assembly of the whole vehicle; the high-voltage wire harnesses are provided with electromagnetic shielding layers; each high-voltage wire harness connector adopts a single-core metal shell, so that quick heat dissipation is facilitated.
The heat management module comprises an air-conditioning refrigeration system, a motor cooling loop system, a battery cooling loop system and a control system. The system layout diagram is shown in FIG. 4; as mentioned above, the motor cooling loop system water pump and the battery cooling loop system water pump are both fixed on the driving motor, and the motor cooling loop connects the radiator, the motor cooling loop system water pump, the vehicle-mounted charger integrated DCDC and the driving motor into a loop through pipelines in sequence; the battery cooling loop sequentially connects the intermediate heat exchanger, a battery cooling loop system water pump and the power battery into a loop; the air-conditioning refrigeration system comprises an electronic air-conditioning compressor, an outdoor condenser, an intermediate heat exchanger, an electronic expansion valve, an electronic two-way valve and the like, and is connected through a pipeline to form a loop; the battery cooling loop system is coupled with the air-conditioning refrigeration system, carries out heat exchange through the intermediate heat exchanger, and takes away the heat productivity of the battery during charging through matching the high-power air-conditioning compressor and the intermediate heat exchanger. The main components of the heat management system are fixedly arranged on a right longitudinal beam of the vehicle, and all air conditioning system pipelines are arranged along the right longitudinal beam and the middle of a front wall of the vehicle and a driving motor; the motor battery cooling water paths are arranged along the space between the driving motor and the left longitudinal beam and the space between the driving motor and the radiator, the driving motor is surrounded by the pipeline part of the whole heat management system, the partition arrangement of all system modules is realized, the arrangement of the front engine room is more attractive, and the production and the assembly are more convenient; meanwhile, more importantly, the high-voltage wire harness is mainly arranged on the upper portion of the power assembly, the diameter of the high-voltage wire harness is larger due to the increase of current, and the required bending space is larger, so that the high-voltage wire harness can provide a larger arrangement space for the high-voltage portion, and the problem of interference with a pipeline of a thermal management system is effectively avoided.

Claims (4)

1. A power system capable of realizing high-power charging is characterized by comprising three modules: the system comprises a power assembly, an accessory module, a high-power charging module and a thermal management module;
the power assembly and accessory module comprises a driving motor, a speed reducer, a motor controller, a power battery system, a high-voltage distribution box, a vehicle-mounted charger integrated DCDC assembly, an air conditioner compressor, an alternating-current charging seat and a high-voltage wire harness; the driving motor and the speed reducer are connected into a whole through a spline and fixed on a power assembly suspension through a suspension bracket; a bottom layer fixing support is arranged on the upper surface of the driving motor, and the vehicle-mounted alternating current charger integrated DCDC is fixed on the bottom layer fixing support; the first high-voltage distribution box support is fixed on the bottom layer fixing support and is positioned above the integrated DCDC of the vehicle-mounted alternating current charger, and the high-voltage distribution box is fixed on the first high-voltage distribution box support; the motor controller is fixed on the bottom layer bracket, and the second high-voltage distribution box bracket is a shared bracket of the high-voltage distribution box and the motor controller; the air conditioner compressor is fixedly arranged on the side surface of the driving motor through an air conditioner compressor bracket; the alternating-current charging seat is fixed at the rear part of the vehicle body, and an alternating-current charging harness is led out from the integrated DCDC of the vehicle-mounted alternating-current charging seat, passes through the instrument panel and is connected to the alternating-current charging seat through passing below the threshold guard plate in the vehicle; the power battery assembly is fixedly arranged at the bottom position under the rear floor in the body-in-white and is connected with the motor controller through a direct current bus; and the motor cooling water pump and the battery cooling water pump in the heat management module are all fixedly arranged on the driving motor body through a bracket.
2. The power system capable of realizing high-power charging according to claim 1, wherein the high-power charging module comprises a direct-current charging base, a direct-current charging harness and a charging control guide circuit; the direct-current charging seat is fixedly arranged on a beam of a front bumper of the vehicle, the charging port is arranged at the position of a vehicle logo, one end of the direct-current charging harness is directly pressed on the direct-current charging seat, and the other end of the direct-current charging harness is connected to a charging port of the power battery through a high-voltage connector; the charging control guide circuit is integrated in the vehicle controller and is connected to the front power assembly wiring harness and the low-voltage interface of the high-power direct-current charging seat.
3. The power system capable of realizing high-power charging according to claim 1, wherein the thermal management module is fixedly installed on a right longitudinal beam of the vehicle and comprises an air-conditioning refrigeration system, a motor cooling loop, a battery cooling loop and a control system; the motor cooling loop connects the radiator, a motor cooling loop system water pump, a vehicle-mounted charger integrated DCDC and the driving motor into a loop through pipelines in sequence; the battery cooling loop sequentially connects the intermediate heat exchanger, a battery cooling loop system water pump and the power battery into a loop; the air-conditioning refrigeration system comprises an electronic air-conditioning compressor, an outdoor condenser, an intermediate heat exchanger, an electronic expansion valve and an electronic two-way valve, and is connected through pipelines to form a loop, and the pipelines of the air-conditioning refrigeration system are arranged along the right longitudinal beam and the middle of the front wall of the automobile and the driving motor; the battery cooling loop is coupled with the air-conditioning refrigeration system and exchanges heat through the intermediate heat exchanger; the motor cooling water path and the battery cooling water path are arranged between the driving motor and the left longitudinal beam and between the driving motor and the radiator, and the driving motor is surrounded by the pipeline part of the whole heat management system.
4. The powertrain system capable of achieving high-power charging according to claim 1, wherein the powertrain mounts include a first powertrain front mount and a second powertrain front mount fixedly mounted on a body-in-white front suspension beam by bolts, and a powertrain rear mount fixed on a subframe.
CN201921166587.8U 2019-07-24 2019-07-24 Power system capable of realizing high-power charging Active CN211000893U (en)

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CN201921166587.8U CN211000893U (en) 2019-07-24 2019-07-24 Power system capable of realizing high-power charging

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Application Number Priority Date Filing Date Title
CN201921166587.8U CN211000893U (en) 2019-07-24 2019-07-24 Power system capable of realizing high-power charging

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113291162A (en) * 2021-06-11 2021-08-24 安徽江淮汽车集团股份有限公司 Motor control system for new energy automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113291162A (en) * 2021-06-11 2021-08-24 安徽江淮汽车集团股份有限公司 Motor control system for new energy automobile

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