CN218400713U

CN218400713U - Chassis structure and electric vehicle

Info

Publication number: CN218400713U
Application number: CN202222885791.3U
Authority: CN
Inventors: 彭松林; 刘鑫; 胡杰
Original assignee: Sany Electric Vehicle Technology Co Ltd
Current assignee: Sany Electric Vehicle Technology Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a chassis technical field provides a chassis structure and electric vehicle, the utility model provides a chassis structure, include: the front section of the frame is provided with an installation support, the front section of the frame is used for installing a cab, when the cab is installed on the front section of the frame, the installation support is located below the cab, the installation support is arranged above the frame, and the high-voltage accessory module and the high-voltage control module are uniformly distributed on the installation support. The utility model discloses a set up the installing support in the top of frame anterior segment, pass through the installing support with high-pressure annex module and high-pressure control module and install on the frame of driver's cabin below, structural arrangement is compact, can directly overhaul high-pressure annex module and high-pressure control module on the installing support, promotes the maintenance convenience of high-pressure electrical component.

Description

Chassis structure and electric vehicle

Technical Field

The utility model relates to a chassis technical field especially relates to a chassis structure and electric vehicle.

Background

In most of conventional pure electric vehicle chassis, an engine is replaced by a motor on the basis of a fuel vehicle chassis, and then a power battery is arranged to realize the electric operation of the vehicle.

Because the volume of an electric drive system is far smaller than that of an engine and a gearbox, the chassis of most of the existing pure electric engineering vehicles adopts a middle rear drive (a motor is arranged in the middle of the chassis), and a power battery is arranged on a frame below a cab to realize vehicle electromotion. However, the mode occupies a large space of the chassis structure, and high-voltage components of the whole vehicle are distributed, so that the space utilization rate of the chassis is low; the chassis of some vehicles arranges high-voltage components such as a high-voltage accessory module and a high-voltage control module in a layered manner on a frame below a cab, so that the occupation of the chassis space is relatively reduced, but the high-voltage components on the lower layer can be overhauled only after the high-voltage components on the upper layer are dismantled.

SUMMERY OF THE UTILITY MODEL

The utility model provides a chassis structure and electric vehicle for solve the inconvenient defect of chassis high-pressure part maintenance in the prior art.

In a first aspect, the present invention provides a chassis structure, including: the front section of the frame is provided with an installation support, the front section of the frame is used for installing a cab, when the cab is installed on the front section of the frame, the installation support is located below the cab, the installation support is arranged above the frame, and the high-voltage accessory module and the high-voltage control module are uniformly distributed on the installation support.

According to the utility model provides a chassis structure still includes the power assembly, the power assembly sets up the installing support below the inboard of frame.

According to the utility model provides a chassis structure, high pressure control module is including unifying control module and machine controller more, unify control module more be used for with a plurality of high-pressure component electricity in the high pressure annex module are connected, machine controller sets up power assembly's top, just machine controller with power assembly electricity is connected.

According to the utility model provides a chassis structure, installing support the place ahead be provided with cooling module on the frame, cooling module includes radiator, motor cooling water pump and battery cooling water pump, the radiator sets up the front end of frame, motor cooling water pump with battery cooling water pump all connects on the installing support.

According to the utility model provides a chassis structure still includes the mouth that charges, the mouth that charges pass through the support with cooling module connects.

According to the utility model provides a chassis structure still includes low pressure component module, low pressure component module includes battery and vehicle control unit, the battery set up in the outside of frame anterior segment, vehicle control unit set up in on the installing support.

According to the utility model provides a chassis structure, the anterior segment of frame is provided with first drive shaft and the second drive shaft that is used for installing the wheel, the battery set up in first drive shaft with between the second drive shaft the outside of frame.

According to the utility model provides a chassis structure still includes the electric power steering oil pump, the electric power steering oil pump sets up first drive shaft with frame between the second drive shaft is inboard.

According to the utility model provides a chassis structure, high-pressure accessory module includes electric air compressor machine, air condition compressor, air conditioner PTC controller and motor cooling water pump, electric air compressor machine, air condition compressor, air conditioner PTC controller and motor cooling water pump all connect in the installing support.

In a second aspect, the present invention also provides an electric vehicle comprising a chassis structure as described in the first aspect.

The utility model provides a chassis structure, top through at the frame anterior segment sets up the installing support, pass through the installing support with high-pressure annex module and high-pressure control module and install on the frame, the structural arrangement is compact, be convenient for overhaul high-pressure annex module and high-pressure control module on the installing support, and when the driver's cabin is installed to the anterior segment of frame, still can realize overhauing high-pressure annex module and high-pressure control module on the installing support after the driver's cabin upset, promote the maintenance convenience of high-pressure electrical component, it arranges or the layering sets up at the chassis dispersion to have solved spare part among the prior art, lead to need demolish the spare part that lies in the top earlier when carrying out maintenance and can examine and repair the problem to below spare part.

The utility model also provides an electric vehicle, owing to contained the utility model provides a chassis structure, consequently contained all the above-mentioned advantages of chassis structure simultaneously. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the chassis structure, and is not described herein again.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a front chassis provided in an embodiment of the present invention;

fig. 2 is a left side view of a front chassis provided by an embodiment of the present invention;

fig. 3 is a right side view of the front chassis provided by the embodiment of the present invention.

Reference numerals:

10. a frame; 11. a frame rail; 12. a first drive shaft; 13. a second drive shaft;

20. mounting a bracket; 21. an electric air compressor; 22. an air conditioning compressor; 23. an air conditioner PTC controller; 24. a motor cooling water pump; 25. an all-in-one control module; 26. a motor controller; 27. a battery cooling water pump; 28. a vehicle control unit;

30. a power assembly; 40. a heat sink; 50. a charging port; 60. an air cylinder;

70. a storage battery; 80. an electric steering oil pump.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A chassis structure and an electric vehicle provided in an embodiment of the present invention are described below with reference to fig. 1 to 3.

The present embodiment provides a chassis structure, including: frame 10, high-pressure accessory module and high-pressure control module.

Frame 10 may be a rectangular frame formed by splicing two frame rails 11 and a plurality of frame 10 cross members.

The front section of frame 10 is provided with installing support 20, and the front section of frame 10 is used for installing the driver's cabin, and when the driver's cabin was installed to the front section of frame 10, installing support 20 was located the below of driver's cabin, and installing support 20 connects in the top of frame 10, and high-pressure accessory module and high-pressure control module equipartition are on installing support 20.

According to the above scheme, the utility model provides a chassis structure, top through at frame 10 anterior segment sets up installing support 20, install high-pressure annex module and high-pressure control module on frame 10 through installing support 20, the structural arrangement is compact, can directly overhaul high-pressure annex module and high-pressure control module on installing support 20, and when the driver's cabin is installed to the anterior segment of frame 10, still can realize overhauing high-pressure annex module and high-pressure control module on installing support 20 after the driver's cabin upset, promote the maintenance convenience of high-pressure electrical component, spare part is arranged or the layering sets up in the chassis dispersion in having solved prior art, lead to need just can demolish the problem of examining and repairing below spare part with the spare part that lies in the top earlier when carrying out maintenance.

Further, still include power assembly 30, power assembly 30 sets up the inboard of frame 10 below installing support 20, improves the space utilization to the chassis front portion. Through setting up power assembly 30 at the anterior segment of frame 10, be favorable to arranging power transfer module at frame 10 middle part, promoted frame 10's space utilization, the accessible upset driver's cabin is maintained more conveniently again.

Alternatively, powertrain 30 may include a drive motor that may be mounted to the inside of frame 10, i.e., between the two longitudinal beams of frame 10, via a suspension arrangement to improve the utilization of the chassis space, and may further be disposed below the inside of frame 10 to lower the center of gravity of the chassis structure.

Referring to fig. 3, the mounting bracket 20 may adopt a frame structure, which can increase a larger mounting space, ensure that each component can be mounted, and ensure that the high-voltage accessory module and the high-voltage control module are compactly integrated on the mounting bracket 20, so as to make full use of space, and cannot shield each other to affect maintenance, and the integrated arrangement can further reduce the lengths of pipelines and lines, simplify the structure, and save the cost. Good heat dissipation performance can be ensured by adopting the frame structure, so that each part connected to the mounting bracket 20 is in contact with air, and heat is dissipated timely.

The mounting bracket 20 is located directly below the cab, and both the high-voltage accessory module and the high-voltage control module are located in the coverage area below the cab, so that the cab can be protected when raining weather, and the situation of water inlet short circuit is prevented.

In some embodiments, the high voltage accessory module includes an electric air compressor 21, an air conditioner compressor 22, an air conditioner PTC controller 23 and a motor cooling water pump 24, and the electric air compressor 21, the air conditioner compressor 22, the air conditioner PTC controller 23 and the motor cooling water pump 24 are uniformly distributed on the mounting bracket 20.

As shown in fig. 3, in some embodiments, the high voltage control module includes an all-in-one control module 25 and a motor controller 26, the all-in-one control module 25 is disposed on the top of the mounting bracket 20, the all-in-one control module 25 is used for electrically connecting with a plurality of high voltage components in the high voltage accessory module, the motor controller 26 is disposed below the all-in-one control module 25 and above the power assembly 30, the motor controller 26 can be directly connected with the driving motor, the length of a connecting pipeline can be reduced, materials can be saved, and the arrangement can be more compact.

Control module through with a plurality of high-pressure components is integrated to unify control module 25 more and install in the anterior segment of frame 10, can overhaul to unify control module 25 more after overturning the driver's cabin forward and maintain, thereby make and overhaul the maintenance that can maintain control module of a plurality of high-pressure components labour saving and time saving more, swiftly convenient in a maintenance position. And the all-in-one control module 25 is arranged on the mounting bracket 20 above the frame 10, so that the maintenance operation of the all-in-one control module 25 is more convenient for maintenance personnel.

Optionally, the all-in-one control module 25 is an all-in-one controller. For example, the high-voltage elements of the chassis include a driving motor, an air conditioner PTC controller 23, an electric Power steering oil pump 80, DCDC, and a Power Distribution Unit (PDU). If the driving motor, the air conditioner PTC controller 23, the electric steering oil pump 80, the DCDC, and the PDU are all connected to the all-in-one controller, the all-in-one controller is now a five-in-one controller. If three or four of the driving motor, the air conditioner PTC controller 23, the electric steering oil pump 80, the DCDC and the PDU are connected to the all-in-one controller, the all-in-one controller is a three-in-one controller or a four-in-one controller, and so on.

In this embodiment, a high voltage battery frame for mounting a power battery is further disposed on the vehicle frame 10, and the high voltage battery frame is optionally disposed in the middle section of the vehicle frame 10 and can be connected to the outer side of the vehicle frame 10 through a threaded connection.

So set up, do not occupy the space of frame 10, can follow outside direct overhaul, dismouting high voltage battery frame, also realized installing the transfer module on the frame 10 at middle part, promoted the utilization ratio in chassis space.

Further, the high-voltage battery frames can be arranged on two sides of the frame 10 in the middle, so that the power supply amount can be adjusted by increasing or decreasing the high-voltage battery frames according to actual requirements.

So, high voltage battery frame quantity can set up according to actual need to this satisfies the demand of different vehicles to the electric quantity, and the number of piles of high voltage battery frame also can set up according to actual need, with the power battery of assembling different quantity, the number of piles power battery who places more is more, also can select the battery of different grade type according to the vehicle of different grade type, has improved chassis structure's application scope.

In this embodiment, a first driving shaft 12 and a second driving shaft 13 for mounting wheels are sequentially arranged at the front section of the frame 10; the first and

second drive shafts

12 and 13 are disposed in a front half of the frame 10 in the same steering relationship as a front steering axle of the vehicle, and at least one drive shaft (not shown) disposed in a rear half of the frame 10 serves as a rear steering axle of the vehicle.

In this embodiment, a cooling module is arranged on the frame 10 at the front end of the mounting bracket 20, the cooling module includes a radiator 40, a motor cooling water pump 24 and a battery cooling water pump 27, the radiator 40 is arranged at the front end of the frame 10, and the motor cooling water pump 24 and the battery cooling water pump 27 are both connected to the mounting bracket 20. Wherein, radiator 40 can be plate heat exchanger, is located frame 10 top, is favorable to radiator 40 better with the air current contact, the outside transmission of the heat of being convenient for, realizes better radiating effect.

In some embodiments, a fluid pipeline may be disposed in the high-voltage battery frame, the routing of the fluid pipeline should be distributed on each layer of the high-voltage battery frame, the fluid pipeline is connected to the battery cooling water pump 27, the battery cooling water pump 27 provides a pressure for flowing the cooling liquid, so that the cooling liquid flows circularly, the power battery in the high-voltage battery frame is cooled, an accident caused by an overhigh temperature is prevented, and driving safety is improved.

Further, referring to fig. 3, a charging port 50 may be further included, and the charging port 50 may be provided at a front end of the cab, and the charging port 50 may be connected to the radiator 40 of the cooling module through a bracket. Specifically, the charging port 50 is arranged below the passenger compartment of the front end mask of the cab, so that charging is more convenient, the charging port 50 can be directly close to a charging position, the requirement on the length of a charging gun line is reduced, and the usability of the vehicle is improved.

In this embodiment, the air storage cylinder 60 is further included, the air storage cylinder 60 is disposed inside the frame 10 between the first driving shaft 12 and the second driving shaft 13, that is, between the two frame rails 11, so as to fully utilize the space inside the frame 10, and since the air storage cylinder 60 is located near the front steering axle of the vehicle, the air delivery efficiency is improved, the response time of braking of the front steering axle of the vehicle can be effectively shortened, and the driving safety is improved.

Of course, the air reservoir is only provided at the front section of the frame, i.e. the front section of the chassis, and the air reservoir may be provided near the rear steering axle according to actual requirements for braking the rear steering axle.

In some embodiments, the present invention further comprises a low voltage component module, the low voltage component module comprises a battery 70 and a vehicle controller 28, wherein the battery 70 is disposed outside the frame 10 between the first driving shaft 12 and the second driving shaft 13, and the vehicle controller 28 is disposed on the mounting bracket 20 behind the cooling module. With such an arrangement, the space inside the vehicle frame 10 is fully utilized, and the vehicle controller 28 can be overhauled simultaneously when the high-voltage accessory module is overhauled in a turnover cab.

Referring to fig. 2, an electric power steering oil pump 80 is further included, the electric power steering oil pump 80 being disposed inside the frame 10 between the first drive shaft 12 and the second drive shaft 13; the electric steering oil pump 80 can be arranged opposite to the travelling air cylinder 60, so that the space utilization rate is improved, and the structure is more compact.

The embodiment also provides an electric vehicle which comprises the chassis structure. Specifically, the electric vehicle includes, but is not limited to, an engineering vehicle, such as a pure electric concrete pump vehicle.

Contain the engineering vehicle of foretell chassis structure, top through at frame 10 anterior segment sets up installing support 20, pass through installing support 20 with high-pressure annex module and high-pressure control module and install on frame 10, the structural arrangement is compact, can realize directly overhauing high-pressure annex module and high-pressure control module on installing support 20 after the upset of driver's cabin, promote the maintenance convenience of high-pressure electrical component, it arranges or the layering setting at the chassis dispersion to have solved spare part among the prior art, lead to dismantling the problem that just can overhaul below spare part with the spare part that lies in the top when carrying out maintenance. Moreover, the electric vehicle includes all the advantages of the above-mentioned chassis structure, and the description thereof is omitted here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A chassis structure, comprising: frame (10), high-pressure annex module and high-pressure control module, the anterior segment of frame (10) is provided with installing support (20), the anterior segment of frame (10) is used for installing the driver's cabin, works as when the anterior segment installation driver's cabin of frame (10), installing support (20) are located the below of driver's cabin, just installing support (20) set up the top of frame (10), high-pressure annex module with high-pressure control module equipartition is in on installing support (20).

2. The chassis structure according to claim 1, further comprising a power pack (30), the power pack (30) being disposed inside the frame (10) below the mounting bracket (20).

3. The chassis structure according to claim 2, wherein the high voltage control module comprises an all-in-one control module (25) and a motor controller (26), the all-in-one control module (25) being adapted to be electrically connected with a plurality of high voltage components in the high voltage accessory module, the motor controller (26) being arranged above the powertrain (30), and the motor controller (26) being electrically connected with the powertrain (30).

4. The chassis structure according to claim 1, characterized in that a cooling module is arranged on the frame (10) in front of the mounting bracket (20), the cooling module comprises a radiator (40), a motor cooling water pump (24) and a battery cooling water pump (27), the radiator (40) is arranged at the front end of the frame (10), and the motor cooling water pump (24) and the battery cooling water pump (27) are both connected to the mounting bracket (20).

5. Chassis structure according to claim 4, further comprising a charging port (50), said charging port (50) being connected with said cooling module by a bracket.

6. The chassis structure according to claim 1, further comprising a low voltage element module including a battery (70) and a vehicle control unit (28), the battery (70) being disposed outside of the front section of the frame (10), the vehicle control unit (28) being disposed on the mounting bracket (20).

7. The chassis structure according to claim 6, wherein a front section of the vehicle frame (10) is provided with a first drive shaft (12) and a second drive shaft (13) for mounting wheels, and the battery (70) is disposed outside the vehicle frame (10) between the first drive shaft (12) and the second drive shaft (13).

8. The chassis structure according to claim 7, further comprising an electric steering oil pump (80), the electric steering oil pump (80) being disposed inside the vehicle frame (10) between the first drive shaft (12) and the second drive shaft (13).

9. Chassis structure according to claim 1, characterized in that the high-voltage accessory module comprises an electric air compressor (21), an air-conditioning compressor (22) and an air-conditioning PTC controller (23), the electric air compressor (21), the air-conditioning compressor (22) and the air-conditioning PTC controller (23) all being connected to the mounting bracket (20).

10. An electric vehicle, characterized in that it comprises a chassis structure according to any one of claims 1-9.