CN115366990A - Drive-by-wire chassis capable of meeting different configurations of intelligent automobile - Google Patents

Abstract

A wire control chassis meeting different configurations of an intelligent automobile is characterized in that a chassis frame and an upper frame are welded to form a chassis whole body, a plurality of communication connectors are respectively arranged on the chassis frame and the upper frame and are connected with various electrical elements of the upper frame and the chassis frame in a pre-distributed mode, each communication connector is connected with a gateway carrier plate through a cable, the gateway carrier plate is in communication connection with a cabin domain controller, a driving domain controller, a power domain controller and a chassis domain controller, and the communication connectors collect signals of the electrical elements and transmit the signals to the gateway carrier plate. Through the connection of the gateway support plate and each communication connector, the original complicated cable layout of each domain controller and the electric elements is changed into the communication cables of the gateway support plate and the communication connectors, and the communication connectors are connected with the electric elements distributed nearby the chassis frame and the upper frame, so that the length of the cables is greatly reduced, the reliability is improved, and the hardware and control requirements of different functional configurations can be met through each domain controller.

Description

Drive-by-wire chassis capable of meeting different configurations of intelligent automobile

Technical Field

The invention relates to the technical field of intelligent automobile equipment, in particular to a drive-by-wire chassis meeting different configurations of an intelligent automobile.

Background

With the development of society, the progress of technology and the continuous pursuit of people for green energy, the traditional diesel locomotive is gradually replaced by a new energy automobile, and with the development of motor technology and the continuous updating of wireless internet technology, the new energy automobile has the trend of integrating transportation tools, information stations, local area networks and wireless networks, at the same time, more and more automobile enterprises continuously pursue high-response, high-power and high-efficiency driving motors, various intelligent controls such as a cabin area, a driving area, a chassis area and a power area are integrated on an adult, the area control of an automobile body is gradually converted from a distributed mode to a central mode, the performance advantage of gradual automobile planning of a consumer chip is fully exerted, the function of extremely large calculation quantity such as road identification object identification and the like is realized, the boundary among the area controls is more and more fuzzy, but in order to meet more and more functions on the automobile, more and more electronic elements and more ECUs are arranged on the automobile, more and more cables are arranged from a vehicle main controller to elements, and the cables are very complicated if the cables are designed to reach the elements through the chassis, and the installation is difficult.

Disclosure of Invention

The invention aims to provide a drive-by-wire chassis meeting different configurations of an intelligent automobile, and provides a novel automobile control framework and a novel automobile control structure, which can meet the control requirements of different functional configurations, greatly reduce the cable design layout and installation difficulty of the automobile, and improve the reliability.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a wire control chassis meeting different configurations of an intelligent automobile comprises an upper frame and a chassis frame which are butted up and down, wherein the chassis frame and the upper frame are welded to form a whole chassis, a plurality of communication connectors are respectively arranged on the chassis frame and the upper frame, the communication connectors are pre-distributed on the upper frame and various electrical elements of the chassis frame to be connected, each communication connector is connected with a gateway support plate through a cable, the gateway support plate is in communication connection with a cabin domain controller, a driving domain controller, a power domain controller and a chassis domain controller, the communication connectors collect signals of the electrical elements and transmit the signals to the gateway support plate, and the gateway support plate receives control instructions of the domain controllers and transmits the signals to the electrical elements through the communication connectors.

Two extending front energy-absorbing columns are arranged in front of the chassis frame, two extending rear energy-absorbing columns are arranged behind the chassis frame, wheel brakes are arranged on two sides of the front energy-absorbing columns and two sides of the rear energy-absorbing columns, the wheel brakes are driven by a motor between the front energy-absorbing columns or/and the rear energy-absorbing columns, and a power battery mounting area is arranged in the middle of the chassis frame.

The chassis frame is provided with a first communication connector and a second communication connector at the front and the rear, and the upper frame is internally provided with a third communication connector and a fourth communication connector.

The first communication connector is connected with a wheel electric control brake element, a suspension component, an air conditioner component, a steering component, a front drive motor, a front-end radar or a camera at the front part of the vehicle, the second communication connector is connected with an electric control brake element, a suspension component, a reversing image component, a rear drive motor and a rear wheel steering component at the rear part of the vehicle, one of the first communication connector and the second communication connector is in communication connection with a power battery, the third communication connector is in key connection with an instrument panel, a steering wheel and driving control input keys in an upper frame, and the fourth communication connector is connected with a cabin adjusting input device and a cabin electric element in the upper frame.

The power domain controller is responsible for controlling charging and discharging of the power battery, the front drive motor, the rear drive motor and the vehicle-mounted power supply.

The driving area controller is responsible for controlling auxiliary automatic driving, backing image, constant-speed cruise, an active safety AEB system, a brake-by-wire system, a steering-by-wire system, an ABS anti-lock braking system and automatic parking.

The cabin area controller is responsible for controlling an air conditioner, a seat, air purification, a refrigerator and an in-vehicle power supply of the vehicle.

The chassis domain controller is responsible for vehicle height control, body rigidity control, damping and shock absorption control, rear wheel steering, wire control suspension and steering column position control of the vehicle.

According to the drive-by-wire chassis meeting different configurations of the intelligent automobile, the original complicated cable layout of each domain controller and electric elements is changed into the communication cables of the gateway carrier plate and the communication connectors through the connection of the gateway carrier plate and each communication connector, the communication connectors are connected with the electric elements distributed nearby the chassis frame and the upper frame, the length of the cables is greatly reduced, the reliability is improved, and the hardware and control requirements of different functional configurations can be met through each domain controller.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a first schematic structural view of a chassis frame according to the present invention;

FIG. 2 is a second structural view of the chassis frame of the present invention;

FIG. 3 is a schematic structural view of the chassis frame and the upper frame of the present invention;

FIG. 4 is a schematic diagram of a control structure according to the present invention;

figure 5 is a schematic diagram of the cabin and control structure of the present invention.

Wherein: the system comprises achassis frame 1, a powerbattery installation area 2, a frontenergy absorption column 3, a rearenergy absorption column 4, awheel brake 5, asuspension 6, arear support plate 7, an upper frame 8, agateway support plate 9, afirst communication connector 10, asecond communication connector 11, athird communication connector 12, afourth communication connector 13, acabin domain controller 14, a driving domain controller 15, apower domain controller 16 and a chassis domain controller 17.

Detailed Description

The technical scheme of the invention is explained in detail in the following by combining the drawings and the embodiment.

As shown in fig. 1-5, a wire control chassis for different configurations of an intelligent vehicle comprises an upper frame 8 and achassis frame 1 which are butted up and down, thechassis frame 1 and the upper frame 8 are welded to form a chassis whole, a plurality of communication connectors are respectively arranged on thechassis frame 1 and the upper frame 8, the communication connectors are pre-distributed on the upper frame 8 and various electrical components of thechassis frame 1 for connection, each communication connector is connected with agateway carrier plate 9 through a cable, thegateway carrier plate 9 is in communication connection with acabin domain controller 14, a driving domain controller 15, apower domain controller 16 and a chassis domain controller 17, the communication connectors collect signals of the electrical components and transmit the signals to thegateway carrier plate 9, and thegateway carrier plate 9 receives control commands of the domain controllers and transmits the signals to the electrical components through the communication connectors.

Through the connection of thegateway carrier plate 9 and each communication connector, the original complicated cable layout of each domain controller and the electric elements is changed into the communication cables of thegateway carrier plate 9 and the communication connectors, and the communication connectors are connected with the electric elements distributed nearby thechassis frame 1 and the upper frame 8, so that the length of the cables is greatly reduced, and the reliability is improved.

The front part of thechassis frame 1 is provided with two extending front energy-absorbingcolumns 3, the rear part is provided with two extending rear energy-absorbingcolumns 4, two sides of the front energy-absorbingcolumns 3 and the two sides of the rear energy-absorbingcolumns 4 are provided withwheel brakes 5, thewheel brakes 5 are driven by a motor between the front energy-absorbingcolumns 3 or/and the rear energy-absorbingcolumns 4, and the middle part of thechassis frame 1 is provided with a powerbattery mounting area 2.

Thechassis frame 1 is provided with afirst communication connector 10 and asecond communication connector 11 at the front and rear parts, and athird communication connector 12 and afourth communication connector 13 in the upper frame 8.

Each communication connector is connected with the nearby electric elements by the distribution position, and the data and the control functions of different electric elements are distributed to different domain controllers by the differentiation of thegateway carrier plate 9 regardless of the function difference of the electric elements, so that the complicated cables for the electric elements to run to the domain controllers are avoided, and the cable length is greatly reduced.

Thefirst communication connector 10 is connected with a wheel electric control brake element, asuspension 6, an air conditioner assembly, a steering assembly, a front drive motor and a front-end radar or a camera at the front part of the vehicle, thesecond communication connector 11 is connected with an electric control brake element, asuspension 6, a reversing image, a rear drive motor and a rear wheel steering component at the rear part of the vehicle, one of thefirst communication connector 10 and thesecond communication connector 11 is in communication connection with a power battery, thethird communication connector 12 is in key connection with an instrument panel, a steering wheel and driving control input keys in the upper frame 8, and thefourth communication connector 13 is connected with a cabin adjusting input mechanism and a cabin electric element in the upper frame 8.

Thepower domain controller 16 is responsible for controlling charging and discharging of the power battery, the front drive motor, the rear drive motor and the vehicle-mounted power supply.

When the vehicle is a two-drive motor, only one of thefirst communication connector 10 and thesecond communication connector 11 is connected with the front-drive motor or the rear-drive motor and is controlled by thepower domain controller 16, when the vehicle is a four-drive motor, thefirst communication connector 10 is connected with the front-drive motor, thesecond communication connector 11 is connected with the rear-drive motor and both receive the control of thepower domain controller 16, and thepower domain controller 16 also controls the charging and discharging management and the safety control of the power battery, realizes the conversion of different configurations according to customer orders and realizes the conversion in the same chassis.

The driving area controller 15 is responsible for controlling auxiliary automatic driving, reverse image, constant speed cruise, active safety AEB system, brake-by-wire, steer-by-wire, ABS anti-lock braking system, and automatic parking.

The vehicle distinguishes the type and amount of hardware, such as whether a cruise function is included, according to the order information of the customer, mounts various electric components on thechassis frame 1 or/and the upper frame 8, and receives the control of the driving range controller 15 through the communication connector.

The aforementionedcabin zone controller 14 is responsible for controlling the air conditioning, seating, air purification, refrigeration, and in-vehicle power supply of the vehicle.

The air-conditioning types are divided into automatic air-conditioning and manual air-conditioning, different keys and electric elements are arranged according to different types, the seat comprises seat adjusting memory, seat ventilation and heating, hardware is determined according to different orders, and full control of different configurations is realized through thecabin zone controller 14.

The chassis area controller 17 is responsible for vehicle height control, body stiffness control, damping control, rear wheel steering, steer-by-wire suspension, and steering column position control of the vehicle.

Claims (8)

1. The drive-by-wire chassis is characterized by comprising an upper frame (8) and a chassis frame (1) which are butted up and down, wherein the chassis frame (1) and the upper frame (8) are welded to form a chassis whole body, a plurality of communication connectors are respectively arranged on the chassis frame (1) and the upper frame (8), the communication connectors are pre-distributed on various electrical elements of the upper frame (8) and the chassis frame (1) for connection, each communication connector is connected with a gateway carrier plate (9) through a cable, the gateway carrier plate (9) is in communication connection with a cabin domain controller (14), a driving domain controller (15), a power domain controller (16) and a chassis domain controller (17), the communication connectors collect signals of the electrical elements and transmit the signals to the gateway carrier plate (9), and the gateway carrier plate (9) receives control instructions of the domain controllers and transmits the control instructions to the electrical elements through the communication connectors.

2. The drive-by-wire chassis capable of meeting different configurations of intelligent automobiles is characterized in that two front energy-absorbing columns (3) extending out are arranged in front of a chassis frame (1), two rear energy-absorbing columns (4) extending out are arranged behind the chassis frame (1), wheel brakes (5) are arranged on two sides of the front energy-absorbing columns (3) and the rear energy-absorbing columns (4), the wheel brakes (5) are driven by a motor between the front energy-absorbing columns (3) or/and the rear energy-absorbing columns (4), and a power battery mounting area (2) is arranged in the middle of the chassis frame (1).

3. The drive-by-wire chassis for different configurations of the intelligent automobile according to claim 2, wherein the chassis frame (1) is provided with a first communication connector (10) and a second communication connector (11) at the front and the rear, and the upper frame (8) is provided with a third communication connector (12) and a fourth communication connector (13) at the inner part.

4. The drive-by-wire chassis for different configurations of intelligent vehicles according to claim 3, wherein the first communication connector (10) is connected to the electrically controlled brake device of the wheels at the front of the vehicle, the suspension (6), the air conditioning unit, the steering unit, the front drive motor, the front radar or the camera, the second communication connector (11) is connected to the electrically controlled brake device at the rear of the vehicle, the suspension (6), the image for backing, the rear drive motor, and the rear wheel steering unit, one of the first communication connector (10) and the second communication connector (11) is connected to the power battery in communication, the third communication connector (12) is connected to the dashboard, the steering wheel, and the driving control input keys in the upper frame (8), and the fourth communication connector (13) is connected to the cabin adjustment input and the cabin electrical components in the upper frame (8).

5. The drive-by-wire chassis for different configurations of intelligent vehicles according to claim 4, wherein the power domain controller (16) is responsible for controlling charging and discharging of power batteries, the front drive motor, the rear drive motor and the vehicle-mounted power supply.

6. The drive-by-wire chassis for different configurations of intelligent vehicles according to claim 5, wherein said driving area controller (15) is responsible for controlling auxiliary automatic driving, reverse imaging, cruise control, active safety AEB system, brake-by-wire, steer-by-wire, ABS anti-lock braking system, and automatic parking.

7. The drive-by-wire chassis for different configurations of intelligent vehicles according to claim 6, wherein said cabin zone controller (14) is responsible for controlling air conditioning, seating, air purification, refrigeration and in-vehicle power supply of the vehicle.

8. The drive-by-wire chassis for different configurations of intelligent automobiles according to claim 7, wherein the chassis domain controller (17) is responsible for vehicle height control, body stiffness control, damping control, rear wheel steering, drive-by-wire suspension and steering column position control of the vehicle.

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