CN117141212A - Chassis structure and vehicle - Google Patents

Chassis structure and vehicle Download PDF

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Publication number
CN117141212A
CN117141212A CN202311271042.4A CN202311271042A CN117141212A CN 117141212 A CN117141212 A CN 117141212A CN 202311271042 A CN202311271042 A CN 202311271042A CN 117141212 A CN117141212 A CN 117141212A
Authority
CN
China
Prior art keywords
chassis structure
frame
voltage
mounting bracket
battery system
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202311271042.4A
Other languages
Chinese (zh)
Inventor
张�浩
彭科国
李轶楠
葛晋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Remote Commercial Vehicle R&D Co Ltd
Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Remote Commercial Vehicle R&D Co Ltd
Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
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 Zhejiang Geely Holding Group Co Ltd, Zhejiang Remote Commercial Vehicle R&D Co Ltd, Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN202311271042.4A priority Critical patent/CN117141212A/en
Publication of CN117141212A publication Critical patent/CN117141212A/en
Pending legal-status Critical Current

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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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention discloses a chassis structure and a vehicle, wherein the chassis structure comprises a frame, a power battery system and a mounting bracket, wherein the frame is divided into a front section, a middle section and a rear section along the length direction, and the front section comprises a front axle assembly; the power battery system is arranged at the middle section of the frame; the mounting bracket is detachably mounted on the front section and is positioned above the front axle assembly, the high-voltage control module and the high-voltage power distribution combined system are arranged on the mounting bracket, and the high-voltage power distribution combined system is close to the power battery system and is electrically connected with the power battery system. The technical scheme of the invention can improve the endurance mileage of the vehicle and the universality of the chassis structure.

Description

Chassis structure and vehicle
Technical Field
The invention relates to the technical field of vehicles, in particular to a chassis structure and a vehicle.
Background
At present, the whole vehicle matching electric quantity of pure electric vehicles or electric-changing heavy truck tractors is limited, most of the current common pure electric vehicles adopt a mode of arranging batteries behind a cab, the energy storage space is limited, the continuous voyage mileage anxiety in the use process of users is caused, special line high-frequency transportation scenes above 350km are difficult to meet, and especially, the special line high-frequency transportation scenes with high efficiency requirements and large transportation quantity such as point-to-point, warehouse-to-warehouse and the like are difficult to meet. The transportation vehicle needs frequent electricity supplement or electricity replacement in the transportation process, the transportation efficiency is affected, the mass center of the whole vehicle is increased by the battery arrangement mode, the running stability is affected, most of the vehicle chassis arrangement and the traditional fuel vehicle type are on the same platform, the high-voltage components of the whole vehicle are distributed in a scattered manner, the space utilization rate of the chassis is low, the maintenance is inconvenient, and the vehicle chassis is difficult to adapt to different vehicle types.
Disclosure of Invention
The invention mainly aims to provide a chassis structure, which aims to improve the endurance mileage of a vehicle and the universality of the chassis structure.
In order to achieve the above object, the chassis structure according to the present invention includes:
the vehicle comprises a vehicle frame, wherein the vehicle frame is divided into a front section, a middle section and a rear section along the length direction, and the front section comprises a front axle assembly;
the power battery system is arranged in the middle section of the frame; and
the mounting bracket is detachably mounted on the front section and is positioned above the front axle assembly, the high-voltage control module and the high-voltage power distribution combined system are arranged on the mounting bracket, and the high-voltage power distribution combined system is close to the power battery system and is electrically connected with the power battery system.
Optionally, at least one of a battery system, a steering system, a braking system, a thermal management system is mounted on the mounting bracket.
Optionally, the low-voltage battery system is arranged in front of the high-voltage control module; and/or the number of the groups of groups,
the steering system is arranged at one side of the low-voltage battery system along the width direction of the frame; and/or the number of the groups of groups,
the braking system is arranged below the low-voltage battery system; and/or the number of the groups of groups,
the thermal management system is arranged at one side of the low-voltage battery system and/or the high-voltage control module and/or the high-voltage power distribution combination system along the width direction of the frame.
Optionally, the thermal management system is disposed on a side of the low-voltage battery system away from the steering system, and extends along an arrangement direction of the low-voltage battery system, the high-voltage control module, and the high-voltage distribution combination system.
Optionally, a routing space is formed in the mounting bracket for arrangement of the circuitry of the chassis structure.
Optionally, the mounting bracket is fixedly mounted on the frame through a plurality of mounting legs, and the mounting legs are at least arranged on one side of the mounting bracket.
Optionally, the front section is further provided with a cooling system, and the cooling system is arranged in front of the mounting bracket.
Optionally, the power battery system includes a plurality of battery modules, and a plurality of battery modules are detachably mounted on the middle section.
Optionally, the rear section is provided with an integrated electric drive system, and the integrated electric drive system comprises a motor, a transmission and a corresponding control module.
Optionally, the rear section includes well transaxle, rear drive axle and rear suspension system, well transaxle with the rear drive axle all pass through rear suspension system install in the frame, well transaxle with all be equipped with on the rear drive axle integrated electric drive system, two control module divides and locates on the frame crossbeam.
The invention also proposes a vehicle comprising a chassis structure as described above.
According to the technical scheme, the frame is divided into a front section, a middle section and a rear section along the length direction, and the front section comprises a front axle assembly; the installing support demountable installation is in the anterior segment, and be located the top of front axle assembly, high voltage control module and high voltage distribution combined system all set up on the installing support, thereby when the actual equipment chassis structure, first with high voltage control module and high voltage distribution combined system correspond to be installed on the installing support, and make circuit arrangement control, then wholly fix the installing support on the frame, and make high voltage distribution combined system and power battery system electricity be connected, compare in direct high voltage control module and high voltage distribution combined system install on the frame, this scheme can realize the modularization installation, thereby improve the overall installation effectiveness of vehicle, and this installing support also can realize multilayer installation space, not only make things convenient for high voltage control module and high voltage distribution combined system's installation, also make things convenient for circuit arrangement control. The high-voltage power distribution combined system mainly comprises a battery system, a power assembly, a high-voltage power control system, a charging system, high-voltage equipment and a wire harness system thereof, and is mainly responsible for starting, running, charging and discharging, air conditioning power and the like, so that a battery related management system is arranged at the front section of the frame, enough installation space is reserved for the power battery system as much as possible, and enough cruising ability of the vehicle is ensured. And in order to facilitate the connection of the wire harness, the high-voltage power distribution combined system is arranged close to the power battery system. The power battery system is arranged in the middle section of the frame and can be tiled at the two ends and the middle of the frame longitudinal beam, so that the installation space of the power battery system is increased, the power battery system is convenient to control, and the power battery system is directly arranged on the frame, compared with the power battery system arranged at the rear of the cab, the arrangement mode can also reduce the overall gravity center of the vehicle, and improve the running stability of the vehicle. Therefore, the chassis structure not only has enough battery installation space, thereby ensuring the endurance mileage of the vehicle, but also realizes the modular design of the chassis structure, thereby improving the suitability of the chassis structure and different vehicle types and further improving the universality of the chassis structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of a chassis structure according to the present invention;
FIG. 2 is a schematic view of the front section of the frame in the chassis structure of FIG. 1;
FIG. 3 is a schematic view of the mounting bracket in the chassis structure of FIG. 1;
fig. 4 is a schematic structural diagram of the integrated electro-driving system in the chassis structure in fig. 1.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in the embodiment of the present invention, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The present invention proposes a chassis structure 100 for a vehicle, the vehicle comprising a transport vehicle.
In the embodiment of the present invention, as shown in fig. 1 to 3, the chassis structure 100 includes a frame 110, a power battery system 120, and a mounting bracket 130, where the frame 110 is divided in a length direction to form a front section 111, a middle section 112, and a rear section 113, and the front section 111 includes a front axle assembly 114; the power battery system 120 is arranged at the middle section 112 of the frame 110; the mounting bracket 130 is detachably mounted on the front section 111 and is located above the front axle assembly 114, the high-voltage module 132 and the high-voltage distribution combined system 133 are both disposed on the mounting bracket 130, and the high-voltage distribution combined system 133 is disposed near the power battery system 120 and is electrically connected with the power battery system 120.
In the prior art, heavy truck type vehicles such as a traditional power trunk line tractor and the like mostly adopt fossil fuel internal combustion engines as power, and in order to meet the environmental protection and carbon emission requirements, new energy vehicles adopting electric drive as power form are already appeared in the market at present, and the new energy vehicles are environment-friendly and have low operation cost, have the characteristic of low carbon 0 emission, and are popularized and applied in transportation scenes such as regional transportation. In each vehicle type of heavy truck type vehicle, the traction vehicle type puts forward higher requirements on transportation timeliness, driving range, whole vehicle operation area and the like of the vehicle due to the characteristics of operation conditions of the traction vehicle type vehicle, but the whole vehicle matching electric quantity of the pure electric or battery-replacing heavy truck type vehicle and other transportation vehicles in the present stage is limited, most of the conventional transportation vehicles adopt a mode of arranging batteries behind a cab, the energy storage space of the conventional transportation vehicles is limited, the driving range anxiety of a user in the using process is caused, and the special line high-frequency transportation scene above 350km is difficult to meet, especially the transportation scene with high efficiency requirements and large transportation quantity such as point-to-point, warehouse-to-warehouse and the like is difficult to meet. The transportation vehicle needs frequent electricity supplement or electricity replacement in the transportation process, the transportation efficiency is affected, the mass center of the whole vehicle is increased by the battery arrangement mode, the running stability is affected, most of the vehicle chassis arrangement and the traditional fuel vehicle type are on the same platform, the high-voltage components of the whole vehicle are distributed in a scattered manner, the space utilization rate of the chassis is low, the maintenance is inconvenient, and the vehicle chassis is difficult to adapt to different vehicle types.
Therefore, in this solution, the front section 111, the middle section 112 and the rear section 113 are formed by separating the frame 110 along the length direction, where the front section 111 is one end of the frame 110 located in the cab, but the length of the front section 111 is not necessarily equal to the length of the cab, so that the battery endurance can be increased, the length of the front section 111 can be reduced, the front end is smaller than or equal to the length of the cab, and the front section 111 can be longer than the length of the cab according to different vehicle types, i.e. the length of the front section 111 is not limited, and can be adjusted according to the design of the actual vehicle type. The front section 111 includes a front axle assembly 114, the front axle assembly 114 includes a front axle 114a and a front suspension system 114a, thereby transmitting the force in each direction between the frame 110 and the front wheel and the bending moment and torque generated by the force, the mounting bracket 130 is detachably mounted on the front section 111 and above the front axle assembly 114, the mounting bracket 130 is detachably mounted on the frame 110, the high voltage control module 132 and the high voltage distribution combined system 133 are both disposed on the mounting bracket 130, so that when the chassis structure 100 is actually assembled, the high voltage control module 132 and the high voltage distribution combined system 133 are correspondingly mounted on the mounting bracket 130, and circuit distribution control is performed, then the mounting bracket 130 is integrally fixed on the frame 110, and the high voltage distribution combined system 133 is electrically connected with the power battery system 120. The high-voltage power distribution combined system 133 mainly comprises a battery system, a power assembly, a high-voltage power control system, a charging system, high-voltage equipment and a wire harness system thereof, and is mainly responsible for starting, running, charging and discharging, air conditioning power and the like, namely, a battery related management system is arranged at the front section 111 of the frame 110, so that enough installation space is reserved for the power battery system 120 as much as possible, and enough cruising ability of the vehicle is ensured. And to facilitate the harness connection, a high voltage power distribution combination system 133 is provided near the power cell system 120. The power battery system 120 is arranged at the middle section 112 of the frame 110, and can be tiled at the two ends and the middle of the longitudinal beam of the frame 110, so that the installation space of the power battery system 120 is increased, the power battery system 120 is conveniently distributed and controlled, the power battery system 120 is directly arranged on the frame 110, and compared with the mode of being arranged at the rear of a cab, the arrangement mode can also reduce the overall gravity center of a vehicle and improve the running stability of the vehicle. The rear section 113 of the frame 110, that is, a section of the structure after the power battery system 120 is installed, mainly includes a section where the rear driving system is located, and can also be adjusted according to the design of the actual vehicle model and the requirements of the endurance mileage.
In one embodiment, the power battery system 120 includes a plurality of battery modules 121, and the plurality of battery modules 121 are detachably mounted on the middle section 112. The power battery system 120 is divided into a plurality of battery modules 121, each battery module 121 is composed of a battery assembly and a battery frame, the battery assembly is fixed on the battery frame, and the battery frame is mounted on the frame 110, so that the battery assembly 121 is convenient to mount, the battery mounting efficiency is improved, and the battery modules 121 can be replaced or increased or reduced according to actual endurance requirements or different vehicle types, so that the requirements of various vehicle types are met, and the daily maintenance and overhaul of the battery are also convenient. Wherein, the actual installation mode and shape of the battery frame can be adjusted according to the shape, size and arrangement of the battery assembly, thereby further improving the versatility of the chassis structure 100.
According to the technical scheme, the front section 111, the middle section 112 and the rear section 113 are formed by separating the frame 110 along the length direction, and the front section 111 comprises a front axle assembly 114; the mounting bracket 130 is detachably mounted on the front section 111 and is located above the front axle assembly 114, and the high-voltage module 132 and the high-voltage distribution combined system 133 are both arranged on the mounting bracket 130, so that when the chassis structure 100 is actually assembled, the high-voltage module 132 and the high-voltage distribution combined system 133 are correspondingly mounted on the mounting bracket 130, circuit distribution control is well performed, then the mounting bracket 130 is integrally fixed on the frame 110, the high-voltage distribution combined system 133 is electrically connected with the power battery system 120, and compared with the case that the high-voltage module 132 and the high-voltage distribution combined system 133 are directly mounted on the frame 110, the modularized mounting can be realized, the overall mounting efficiency of the vehicle is improved, and the mounting bracket 130 can also realize a multi-layer mounting space, so that the mounting of the high-voltage module 132 and the high-voltage distribution combined system 133 is convenient, and the circuit distribution control is also convenient. And the high-voltage power distribution combined system 133 mainly comprises a battery system, a power assembly, a high-voltage power control system, a charging system, high-voltage equipment and a wire harness system thereof, and is mainly responsible for starting, running, charging and discharging, air conditioning power and the like, so that the battery related management system is arranged at the front section 111 of the frame 110, enough installation space is reserved for the power battery system 120 as much as possible, and enough cruising ability of the vehicle is ensured. And to facilitate the harness connection, a high voltage power distribution combination system 133 is provided near the power cell system 120. The power battery system 120 is arranged at the middle section 112 of the frame 110, and can be tiled at the two sides and the middle of the longitudinal beam of the frame 110, so that the installation space of the power battery system 120 is increased, the power battery system 120 is convenient to control, the power battery system 120 is directly arranged on the frame 110, and compared with the mode of being arranged at the rear of a cab, the arrangement mode can also reduce the overall gravity center of a vehicle and improve the running stability of the vehicle. Therefore, the chassis structure 100 not only has enough battery installation space, thereby ensuring the endurance mileage of the vehicle, but also can realize the modular design of the chassis structure 100, thereby improving the suitability of the chassis structure 100 and different vehicle types, and further improving the universality of the chassis structure 100.
Further, at least one of the battery system 140, steering system 150, braking system 160, thermal management system 170 is mounted to the mounting bracket 130. Specifically, at least one of the battery system 140, the steering system 150, the brake system 160 and the thermal management system 170 is mounted on the mounting bracket 130, that is, the battery system 140, the steering system 150, the brake system 160 and the thermal management system 170 may be mounted on the mounting bracket 130 entirely or only partially, so as to further realize the modular design of the chassis structure 100, firstly mount the battery system 140 and/or the steering system 150 and/or the brake system 160 and/or the thermal management system 170 on the mounting bracket 130, complete circuit control, and then integrally mount the mounting bracket 130, and the specific mounting structure of the mounting bracket 130 may be continuously adjusted according to the vehicle type, thereby further improving the universality of the chassis structure 100 and improving the overall assembly efficiency of the vehicle.
When the battery system 140, steering system 150, braking system 160, thermal management system 170 are all mounted on the mounting bracket 130, in one embodiment, the battery system 140 is positioned in front of the high voltage control module 132; the steering system 150 is provided at one side of the battery system 140 in the width direction of the frame 110; the braking system 160 is arranged below the low-voltage battery system 140; the thermal management system 170 is provided at one side of the low voltage battery system 140 and/or the high voltage control module 132 and/or the high voltage power distribution combination system 133 in the width direction of the vehicle frame 110. On the installing support 130, low-voltage battery system 140, high-voltage control module 132, high-voltage distribution combined system 133 have been set gradually by the place ahead of chassis to the direction in rear, by the below of chassis to the direction of top, low-voltage battery system 140 and braking system 160 have been set gradually, along the width direction of chassis, steering system 150, low-voltage battery system 140 and/or high-voltage control module 132 and/or high-voltage distribution combined system 133 and thermal management system 170 are arranged in proper order, this kind of arrangement mode, can the inside circuit layout of as far as possible simplify the chassis control, make things convenient for the pencil to connect, and further realize chassis structure 100 modularized design, improve the commonality of this chassis structure 100, improve the whole packaging efficiency of vehicle. Taking the low-voltage battery system 140 as an example, the low-voltage battery system 140 mainly includes a low-voltage battery, a battery management system, an ignition switch and ground, a BCM, a lighting system, and an air conditioning control system, so that the arrangement of the wire harness can be simplified before the high-voltage control module 132.
Further, the thermal management system 170 is disposed on a side of the low-voltage battery system 140 away from the steering system 150, and extends along the arrangement direction of the low-voltage battery system 140, the high-voltage module 132, and the high-voltage power distribution combination system 133. Specifically, the thermal management system 170 and the steering system 150 are separately disposed on opposite sides of the battery system 140, if the steering system 150 is disposed on the left side of the chassis structure 100, the corresponding thermal management system 170 is disposed on the right side of the chassis structure 100, so as to ensure the overall balance of the chassis frame 110 and improve the arrangement rationality of the chassis structure 100.
To facilitate placement of the various systems on the mounting bracket 130, in one embodiment, routing spaces are formed within the mounting bracket 130 for placement of the circuitry of the chassis structure 100. That is, a special wiring space is reserved on the mounting bracket 130, so that the circuit arrangement control among the low-voltage battery system 140, the steering system 150, the braking system 160, the thermal management system 170, the high-voltage module 132 and the high-voltage power distribution combined system 133 is facilitated, the mounting flexibility is improved, and the vehicle assembly efficiency is improved.
In one embodiment, as shown in FIG. 3, the mounting bracket 130 is fixedly mounted to the frame 110 by a plurality of mounting feet 131, the mounting feet 131 being provided on at least one side of the mounting bracket 130. The mounting bracket 130 is fixed on the frame 110 through the mounting support legs 131, so that the mounting bracket 130 is convenient to mount and dismount, the mounting flexibility is improved, and the vehicle assembly efficiency is improved. In order to ensure the mounting stability of the mounting bracket 130, the mounting support 131 is at least arranged on one side of the mounting bracket 130, and in general, the mounting support 131 is arranged on the side edge and the corner of the mounting bracket 130, so that the mounting stability can be ensured, and the mounting is convenient.
Referring again to fig. 1-3, in one embodiment, the front section 111 is further equipped with a cooling system 180, the cooling system 180 being disposed forward of the mounting bracket 130. Thereby cooling the vehicle and also facilitating the maintenance of the cooling system 180 when the vehicle is positioned in front of the whole vehicle.
In one embodiment, referring to fig. 1 and 4, the rear section 113 is provided with an integrated electric drive system 190, the integrated electric drive system 190 including an electric motor, a transmission, and a corresponding control module 191. Specifically, the integrated electric drive system 190 can realize reasonable power distribution according to the actual working condition and the driver's wish, and the integrated electric drive system 190 is higher in efficiency transmission efficiency and braking energy recovery efficiency after integration, so that the motor respectively provides motor torque and braking torque in the acceleration working condition and the braking working condition, the power performance and the braking performance are improved, and the whole vehicle economy is optimized. Braking energy recovery can reduce abrasion to the braking system 160, so that the service life of the whole vehicle is prolonged, and safety and NVH performance are better. And moreover, the configuration of transmission shafts among different bridges can be canceled, more electric control system arrangement spaces are provided, the space utilization rate is improved, the arrangement structure is compact, and the space utilization rate is improved.
Further, the rear section 113 includes a middle driving axle 115, a rear driving axle 116 and a rear suspension system 117, the middle driving axle 115 and the rear driving axle 116 are both installed on the frame 110 through the rear suspension system 117, the middle driving axle 115 and the rear driving axle 116 are both provided with an integrated electric drive system 190, and two control modules 191 are respectively arranged on a cross beam of the frame 110. Specifically, the middle drive axle 115 and the rear drive axle 116 are integrated electric drive axles, and the middle drive axle 115 and the rear drive axle 116 are respectively matched with a set of independent electric drive system, and the electric drive system comprises a motor, a transmission, a motor controller and a transmission controller which are matched with the motor, so that the traditional transmission shaft structure is eliminated, the number of parts of the whole vehicle is reduced, more arrangement spaces for the control modules 191 are provided, the control modules 191 and the beam structure of the vehicle frame 110 are integrated and combined, the arrangement structure is compact, and the space utilization is improved. And the transmission shaft configuration of the middle drive axle 115 and the rear drive axle 116 is canceled, so that more installation space can be provided for the power battery system 120, and the cruising ability of the vehicle is further improved.
The invention also provides a vehicle, which comprises a chassis structure 100, wherein the specific structure of the chassis structure 100 refers to the above embodiment, and since the vehicle adopts all the technical solutions of all the above embodiments, the vehicle has at least all the beneficial effects brought by the technical solutions of the above embodiments, and will not be described in detail herein.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (11)

1. A chassis structure, comprising:
the vehicle comprises a vehicle frame, wherein the vehicle frame is divided into a front section, a middle section and a rear section along the length direction, and the front section comprises a front axle assembly;
the power battery system is arranged in the middle section of the frame; and
the mounting bracket is detachably mounted on the front section and is positioned above the front axle assembly, the high-voltage control module and the high-voltage power distribution combined system are arranged on the mounting bracket, and the high-voltage power distribution combined system is close to the power battery system and is electrically connected with the power battery system.
2. The chassis structure of claim 1, wherein at least one of a battery system, a steering system, a braking system, a thermal management system is mounted on the mounting bracket.
3. The chassis structure of claim 2, wherein the low voltage battery system is provided in front of the high voltage control module; and/or the number of the groups of groups,
the steering system is arranged at one side of the low-voltage battery system along the width direction of the frame; and/or the number of the groups of groups,
the braking system is arranged below the low-voltage battery system; and/or the number of the groups of groups,
the thermal management system is arranged at one side of the low-voltage battery system and/or the high-voltage control module and/or the high-voltage power distribution combination system along the width direction of the frame.
4. The chassis structure of claim 3, wherein the thermal management system is disposed on a side of the low voltage battery system facing away from the steering system and extends in an arrangement direction of the low voltage battery system, the high voltage control module, and the high voltage power distribution combination system.
5. The chassis structure of claim 1, wherein a routing space is formed within the mounting bracket for placement of circuitry of the chassis structure.
6. The chassis structure of claim 1, wherein said mounting bracket is fixedly mounted to said frame by a plurality of mounting feet, said mounting feet being provided on at least one side of said mounting bracket.
7. The chassis structure of claim 1 wherein said front section further mounts a cooling system, said cooling system being disposed forward of said mounting bracket.
8. The chassis structure of claim 1, wherein said power battery system includes a plurality of battery modules, a plurality of said battery modules being removably mounted to said midsection.
9. Chassis structure according to any one of claims 1 to 8, wherein the rear section is provided with an integrated electric drive system comprising an electric motor, a transmission and a corresponding control module.
10. The chassis structure of claim 9, wherein the rear section includes a center drive axle, a rear drive axle, and a rear suspension system, the center drive axle and the rear drive axle are mounted to the frame through the rear suspension system, the center drive axle and the rear drive axle are provided with the integrated electric drive system, and the two control modules are separately provided on the frame cross member.
11. A vehicle comprising a chassis structure according to any one of claims 1 to 10.
CN202311271042.4A 2023-09-27 2023-09-27 Chassis structure and vehicle Pending CN117141212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311271042.4A CN117141212A (en) 2023-09-27 2023-09-27 Chassis structure and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311271042.4A CN117141212A (en) 2023-09-27 2023-09-27 Chassis structure and vehicle

Publications (1)

Publication Number Publication Date
CN117141212A true CN117141212A (en) 2023-12-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311271042.4A Pending CN117141212A (en) 2023-09-27 2023-09-27 Chassis structure and vehicle

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Country Link
CN (1) CN117141212A (en)

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