CN116880252A - Vehicle cabin area control system - Google Patents

Abstract

The application discloses a vehicle cabin area control system, relates to the technical field of vehicle electronics and electricity, and mainly aims to solve the technical problems that the existing controller chip has low multiplexing rate, so that the cost is increased and the whole vehicle control strategy is difficult to change. Comprising the following steps: a cabin domain controller and a plurality of vehicle control modules; the cabin area controller comprises a plurality of CAN communication interfaces, and the cabin area controller is respectively in communication connection with a plurality of vehicle control modules through the CAN communication interfaces so as to realize the whole vehicle control of the current vehicle.

Description

Vehicle cabin area control system

Technical Field

The application relates to the technical field of vehicle electronics, in particular to a vehicle cabin area control system.

Background

The existing passenger car electronic and electric architecture mainly adopts a distributed electronic and electric architecture, and particularly shows that the control functions of the cabin part electric devices are respectively integrated into different controllers, and then the controllers control the whole car according to corresponding control strategies. However, because the control functions in the vehicle are scattered, each controller needs to be provided with a corresponding control chip, so that the multiplexing rate of the controller chip is low, and the cost is increased; meanwhile, the control strategy is required to be realized by suppliers of all parts, so that the whole vehicle control strategy is difficult to change.

Disclosure of Invention

In view of the above, the present application provides a vehicle cabin control system, which is mainly aimed at improving the technical problems of the existing controller chip with low multiplexing rate, thereby increasing the cost and making the change of the whole vehicle control strategy difficult to implement.

According to one aspect of the present application, there is provided a vehicle cabin domain control system comprising: a cabin domain controller and a plurality of vehicle control modules;

the cabin area controller comprises a plurality of CAN communication interfaces, and the cabin area controller is respectively in communication connection with a plurality of vehicle control modules through the CAN communication interfaces so as to realize the whole vehicle control of the current vehicle.

Preferably, the vehicle control module includes: a vehicle power control module;

the vehicle power supply control module is used for controlling the power output of the vehicle power supply according to the control instruction sent by the cabin area controller and feeding back the state information of the vehicle power supply to the cabin area controller.

Preferably, the vehicle control module further includes: a vehicle body control module;

the vehicle body control module is in communication connection with vehicle load equipment, and is used for acquiring state information of the load equipment, sending the state information to the cabin domain controller and executing a control instruction fed back by the cabin domain controller;

and when the vehicle body control module completes the control operation according to the control instruction, acquiring the state information of the load equipment again and sending the state information to the cabin area controller.

Preferably, the cabin area controller further comprises a plurality of ethernet communication interfaces, and the cabin area controller is in communication connection with the central control screen unit, the instrument display unit and the monitoring module through the ethernet communication interfaces respectively, and is used for carrying out information interaction with the ethernet.

Preferably, the central control screen unit is configured to execute a control instruction sent by the cabin domain controller, so as to output a movie and television picture;

the central control screen unit is also used for outputting a virtual key of the vehicle air conditioner, and feeding back key triggering operation of a user to the cabin domain controller, so that the cabin domain controller generates a vehicle air conditioner control instruction according to the key triggering operation and issues the vehicle air conditioner control instruction;

the central control screen unit is also used for outputting a vehicle body control virtual key, feeding back key triggering operation of a user to the cabin domain controller, so that the cabin domain controller generates a vehicle body control instruction according to the key triggering operation and issues the vehicle body control instruction;

the central control screen unit is also used for receiving a voice car body control command and feeding back the voice control command of a user to the cabin domain controller, so that the cabin domain controller generates a car body control command according to the voice command and issues the car body control command.

Preferably, the meter display unit is configured to display status information of the vehicle power supply and/or status information of the load device.

Preferably, the method further comprises: a vehicle monitoring unit;

the vehicle monitoring unit is in communication connection with the cabin controller through the Ethernet communication interface and is used for monitoring the current vehicle state.

By means of the technical scheme, the technical scheme provided by the embodiment of the application has at least the following advantages:

the application provides a vehicle cabin area control system, comprising: a cabin domain controller and a plurality of vehicle control modules; the cabin area controller comprises a plurality of CAN communication interfaces, and the cabin area controller is respectively in communication connection with a plurality of vehicle control modules through the CAN communication interfaces so as to realize the whole vehicle control of the current vehicle. Compared with the prior art, the embodiment of the application adopts the cabin domain controller with a plurality of CAN communication interfaces and a plurality of Ethernet interfaces in the vehicle cabin domain control system, and is in communication connection with a plurality of vehicle control modules through a plurality of CAN communication interfaces, and the centralized control of the vehicle is realized by centralizing the control functions in the vehicle, so that the problem of low chip multiplexing rate caused by decentralized control is avoided; and meanwhile, the cabin domain controller is respectively in communication connection with the central control screen unit, the instrument display unit and the monitoring module through a plurality of Ethernet interfaces so as to realize information interaction with the Ethernet, thereby meeting the requirement of upgrading the whole vehicle system.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 shows a vehicle cabin control system according to an embodiment of the present application

Forming a block diagram;

FIG. 2 illustrates another vehicle cabin control system provided by an embodiment of the present application

And forming a block diagram.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Embodiments of the application are operational with numerous other general purpose or special purpose computing system environments or configurations. Examples of well known computing systems, environments, and/or configurations that may be suitable for use with the computer system/server include, but are not limited to: personal computer systems, server computer systems, thin clients, thick clients, hand-held or laptop devices, microprocessor-based systems, set-top boxes, programmable consumer electronics, network personal computers, small computer systems, mainframe computer systems, and distributed cloud computing technology environments that include any of the foregoing, and the like.

A computer system/server may be described in the general context of computer-system-executable instructions, such as program modules, being executed by a computer system. Generally, program modules may include routines, programs, objects, components, logic, data structures, etc., that perform particular tasks or implement particular abstract data types. The computer system/server may be implemented in a distributed cloud computing environment in which tasks are performed by remote processing devices that are linked through a communications network. In a distributed cloud computing environment, program modules may be located in both local and remote computing system storage media including memory storage devices.

An embodiment of the present application provides a vehicle cabin area control system, as shown in fig. 1, including:

a cabin domain controller 11 and a plurality of vehicle control modules 12;

the cabin domain controller 11 comprises a plurality of CAN communication interfaces, and is respectively in communication connection with a plurality of vehicle control modules 12 through the CAN communication interfaces so as to realize the whole vehicle control of the current vehicle.

In the embodiment of the application, the cabin area controller is used as a core of a vehicle cabin area control system, is provided with a plurality of CAN/CANFD communication interfaces, and is respectively in communication connection with a plurality of vehicle control modules through the communication interfaces. The vehicle control module may include a vehicle power control module and a body control module, which may in turn include a plurality of body control sub-modules, such as a roof control module, a chassis control module, a front electrical control module, and the like.

It should be noted that, by establishing communication connection between the cabin area controller and the plurality of vehicle control modules, and issuing a control instruction to the vehicle control modules through the cabin area controller, centralized control of the vehicle is achieved by centralizing control functions in the vehicle.

Compared with the prior art, the embodiment of the application realizes centralized control of vehicles by adopting the cabin domain controller with a plurality of CAN communication interfaces and a plurality of Ethernet interfaces in the vehicle cabin domain control system and performing communication connection with a plurality of vehicle control modules through a plurality of CAN communication interfaces and centralizing the control functions in the vehicles, thereby avoiding the problem of low chip multiplexing rate caused by decentralized control.

In another embodiment of the present application, for further explanation and limitation, a vehicle control module includes: a vehicle power control module; and the vehicle power supply control module is used for controlling the power output of the vehicle power supply according to the control instruction sent by the cabin area controller and feeding back the state information of the vehicle power supply to the cabin area controller.

The vehicle power supply control module is responsible for the distribution work of the power of the whole vehicle power supply (except the normal power output). Specifically, after the cabin domain controller receives a power starting or closing instruction of a user, the starting or closing instruction CAN be sent to the vehicle power supply control module through the CAN communication interface according to a preset control strategy, and the instruction CAN be transmitted in a CAN message form; the vehicle power supply control module controls the vehicle power supply to make corresponding operation according to the instruction, and feeds back the state information of the vehicle power supply to the cabin controller. The cabin domain controller may display status information of the vehicle power supply on the center control screen unit or the meter display unit.

It should be noted that, when the vehicle power control module detects that the state of the vehicle power is abnormal, the vehicle power can be automatically turned off, and abnormal state information is fed back to the cabin domain controller, and further, the cabin domain controller can display the abnormal state on the central control screen unit or the instrument display unit, and perform fault alarm to remind the driver to perform emergency treatment.

In another embodiment of the present application, for further explanation and limitation, the vehicle control module further comprises: a vehicle body control module; the vehicle body control module is in communication connection with the vehicle load equipment, and is used for acquiring state information of the load equipment, sending the state information to the cabin area controller and executing a control instruction fed back by the cabin area controller; and after the control operation of the vehicle body control module is finished according to the control instruction, acquiring state information of the load equipment again and sending the state information to the cabin area controller.

Wherein the vehicle control modules include, but are not limited to, a front appliance control module, a ceiling appliance control module, a chassis appliance control module, and the like; vehicle load devices include, but are not limited to, vehicle sensors, various lights, wipers, and the like. Specifically, each vehicle control module is in communication connection with each vehicle load device, and state information of each vehicle load device, such as a switch state, a lamplight rainfall sensor state, and the like, is collected, and CAN be sent to a cabin domain controller in the form of a CAN message, and the cabin domain controller generates a control instruction according to the received state information of each vehicle load device, such as an accelerator pedal state, a brake state, steering wheel angle information, and the like, and sends the control instruction to each vehicle control module, so that each vehicle control module executes corresponding operation according to the control instruction. Further, after the control operation of each vehicle control module is completed according to the control instruction, state information of each load device is collected again and sent to the cabin domain controller, and the cabin domain controller controls and displays the state information on the central control screen unit or the instrument display unit.

In another embodiment of the present application, for further explanation and limitation, the cabin domain controller further includes a plurality of ethernet communication interfaces, and the cabin domain controller is respectively in communication connection with the central control screen unit and the instrument display unit through the plurality of ethernet communication interfaces, for performing information interaction with the ethernet.

In the embodiment of the application, the cabin domain controller further comprises a plurality of Ethernet communication interfaces, so that the vehicle cabin domain control system can perform information interaction with the Ethernet through the Ethernet communication interfaces. Specifically, taking remote upgrade as an example, the cloud control platform issues a software upgrade instruction to the vehicle-mounted terminal through the TSP platform according to the user requirement, the vehicle-mounted terminal judges the current state of the vehicle (vehicle state, for example, vehicle speed) through information interaction with the central gateway, when the software upgrade condition is met (for example, the vehicle speed is zero, the electric quantity is not lower than a certain set threshold value, the acquired client permission is allowed, and the like), the central gateway performs software upgrade interaction with the cabin domain controller, and the cabin domain controller performs software upgrade state feedback after finishing the upgrade and sends the current software version state through the vehicle-mounted terminal; and when the upgrade is abnormal, the cabin domain controller automatically rolls back to the previous software state and feeds back the current state of the vehicle-mounted terminal. As the cabin domain controller is a vehicle body control center, the flexible change and personalized customization of lower control parts can be realized through the upgrade of own software.

In another embodiment of the present application, for further explanation and limitation, the central control screen unit is in communication connection with the cabin domain controller through the ethernet communication interface, and is configured to execute a control instruction sent by the cabin domain controller, so as to output a video picture; the central control screen unit is also used for outputting virtual keys and voice commands of the vehicle air conditioner, and feeding back key triggering operation and voice commands of a user to the cabin domain controller so that the cabin domain controller generates vehicle air conditioner control instructions according to the key triggering operation and issues the vehicle air conditioner control instructions; the central control screen unit is also used for outputting a vehicle body control virtual key, and feeding back key triggering operation of a user to the cabin domain controller, so that the cabin domain controller generates a vehicle body control instruction according to the key triggering operation and issues the vehicle body control instruction; the central control screen unit is also used for receiving the voice car body control command and feeding back the voice control command of the user to the cabin domain controller so that the cabin domain controller can generate the car body control command according to the voice command and issue the car body control command.

In the embodiment of the application, the central control screen unit mainly realizes an in-vehicle entertainment function, an air conditioner control function, a vehicle body control function, a vehicle navigation function and the like. Specifically, the central control screen unit receives the triggering operation of the user, feeds back the triggering operation to the cabin domain controller, generates a corresponding control instruction according to the triggering operation, and sends the control instruction to the central control screen unit to drive the central control screen unit to output video pictures, which can be entertainment video pictures, navigation pictures and the like. In addition, the central control screen unit CAN also output a virtual key of the vehicle air conditioner, the key triggering operation of a user is collected and fed back to the cabin area controller, the cabin area controller recognizes the key triggering operation, and generates an optimal air conditioner control instruction by combining the vehicle running state, the sensor temperature, the refrigerant pressure and the states of various actuators obtained from the air conditioner control module, and the optimal air conditioner control instruction is issued to the air conditioner control module in a CAN message mode, so that the air conditioner control module drives air conditioning equipment such as a compressor, a condenser and an evaporator to perform corresponding operation, and finally the state of the air conditioning equipment which is completed to be collected is fed back to the cabin area controller, so that the cabin area controller displays the state of the air conditioning equipment on the central control screen unit. Similarly, the central control screen unit can also output a vehicle body control virtual key, and feed back key triggering operation of a user to the cabin domain controller, so that the cabin domain controller generates a vehicle body control instruction according to the key triggering operation and issues the vehicle body control instruction. In addition, the central control screen unit can also receive a voice car body control command.

In another embodiment of the present application, for further explanation and limitation, the meter display unit is communicatively connected to the cabin controller via an ethernet communication interface, for displaying status information of the vehicle power supply and/or status information of the load device.

In the embodiments of the present application, the foregoing details of the description of the meter display unit are not described herein.

In another embodiment of the present application, for further explanation and limitation, further comprises: a vehicle monitoring unit; the vehicle monitoring unit is in communication connection with the cabin controller through an Ethernet communication interface and is used for monitoring the current state of the vehicle.

In the embodiment of the application, the vehicle monitoring unit comprises, but is not limited to, a DMS monitoring module and a tire pressure monitoring module, wherein the DMS monitoring module is used for monitoring the whole vehicle, for example, monitoring the road conditions of the front of the vehicle, and the like, and is in communication connection with the cabin domain controller, and then in communication connection with the central gateway and the vehicle-mounted terminal through the cabin domain controller, so as to realize the butt joint between the monitoring information and the cloud control platform. The tire pressure monitoring module is used for collecting information such as the air pressure and the temperature of the tires of the vehicle, feeding the information back to the cabin controller, and displaying the information on the instrument display unit by the cabin controller so as to realize real-time checking of the tire state by a user.

In another embodiment of the present application, for further explanation and limitation, the cabin domain controller further includes a plurality of ethernet communication interfaces, and the cabin domain controller is respectively in communication connection with the central control screen unit, the instrument display unit and the monitoring module through the plurality of ethernet communication interfaces, for performing information interaction with the ethernet.

In a specific application scenario, as shown in fig. 2, a vehicle cabin area control system is in communication connection with a vehicle power supply control module, a front electric control module, a ceiling electric control module, a chassis electric control module and other vehicle control modules through a CAN communication interface, so as to realize overall control of a vehicle; the device is respectively connected with the central control screen unit and the instrument display unit through the Ethernet communication interface in a communication way so as to realize information display; and then the vehicle monitoring unit, the central control screen unit and the instrument display unit are respectively in communication connection through the Ethernet interface so as to realize the Ethernet communication of the whole vehicle.

The application provides a vehicle cabin area control system, comprising: a cabin domain controller and a plurality of vehicle control modules; the cabin area controller comprises a plurality of CAN communication interfaces, and the cabin area controller is respectively in communication connection with a plurality of vehicle control modules through the CAN communication interfaces so as to realize the whole vehicle control of the current vehicle. Compared with the prior art, the embodiment of the application adopts the cabin domain controller with a plurality of CAN communication interfaces and a plurality of Ethernet interfaces in the vehicle cabin domain control system, and is in communication connection with a plurality of vehicle control modules through a plurality of CAN communication interfaces, and the centralized control of the vehicle is realized by centralizing the control functions in the vehicle, so that the problem of low chip multiplexing rate caused by decentralized control is avoided; and meanwhile, the cabin domain controller is respectively in communication connection with the central control screen unit, the instrument display unit and the monitoring module through a plurality of Ethernet interfaces so as to realize information interaction with the Ethernet, thereby meeting the requirement of upgrading the whole vehicle system.

In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different manner from other embodiments, so that the same or similar parts between the embodiments are mutually referred to. For system embodiments, the description is relatively simple as it essentially corresponds to method embodiments, and reference should be made to the description of method embodiments for relevant points.

The method and system of the present application may be implemented in a number of ways. For example, the methods and systems of the present application may be implemented by software, hardware, firmware, or any combination of software, hardware, firmware. The above-described sequence of steps for the method is for illustration only, and the steps of the method of the present application are not limited to the sequence specifically described above unless specifically stated otherwise. Furthermore, in some embodiments, the present application may also be embodied as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present application. Thus, the present application also covers a recording medium storing a program for executing the method according to the present application.

It will be appreciated by those skilled in the art that the modules or steps of the application described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, they may alternatively be implemented in program code executable by computing devices, so that they may be stored in a memory device for execution by computing devices, and in some cases, the steps shown or described may be performed in a different order than that shown or described, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module for implementation. Thus, the present application is not limited to any specific combination of hardware and software.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. A vehicle cabin domain control system, comprising: a cabin domain controller and a plurality of vehicle control modules;

the cabin area controller comprises a plurality of CAN communication interfaces, and the cabin area controller is respectively in communication connection with a plurality of vehicle control modules through the CAN communication interfaces so as to realize the whole vehicle control of the current vehicle.

2. The vehicle cabin area control system of claim 1, wherein the vehicle control module comprises: a vehicle power control module;

the vehicle power supply control module is used for controlling the power output of the vehicle power supply according to the control instruction sent by the cabin area controller and feeding back the state information of the vehicle power supply to the cabin area controller.

3. The vehicle cabin area control system of claim 1, wherein the vehicle control module further comprises: a vehicle body control module;

the vehicle body control module is in communication connection with vehicle load equipment, and is used for acquiring state information of the load equipment, sending the state information to the cabin domain controller and executing a control instruction fed back by the cabin domain controller;

and when the vehicle body control module completes the control operation according to the control instruction, acquiring the state information of the load equipment again and sending the state information to the cabin area controller.

4. The vehicle cabin area control system according to claim 1, wherein the cabin area controller further comprises a plurality of ethernet communication interfaces, and the cabin area controller is in communication connection with the central control screen unit, the instrument display unit and the monitoring module through the ethernet communication interfaces, respectively, for information interaction with the ethernet.

5. The vehicle cabin area control system according to claim 4, wherein,

the central control screen unit is used for executing the control instruction sent by the cabin domain controller so as to output a video picture;

the central control screen unit is also used for outputting a virtual key of the vehicle air conditioner, and feeding back key triggering operation of a user to the cabin domain controller, so that the cabin domain controller generates a vehicle air conditioner control instruction according to the key triggering operation and issues the vehicle air conditioner control instruction;

the central control screen unit is also used for outputting a vehicle body control virtual key, feeding back key triggering operation of a user to the cabin domain controller, so that the cabin domain controller generates a vehicle body control instruction according to the key triggering operation and issues the vehicle body control instruction;

the central control screen unit is also used for receiving a voice car body control command and feeding back the voice control command of a user to the cabin domain controller, so that the cabin domain controller generates a car body control command according to the voice command and issues the car body control command.

6. The vehicle cabin area control system according to claim 4, characterized in that the meter display unit is configured to display status information of the vehicle power supply and/or status information of the load device.

7. The vehicle cabin area control system according to claim 1, characterized by further comprising: a vehicle monitoring unit;

the vehicle monitoring unit is in communication connection with the cabin controller through the Ethernet communication interface and is used for monitoring the current vehicle state.