CN111619348A

CN111619348A - Vehicle, vehicle equipment and display control method based on instrument panel

Info

Publication number: CN111619348A
Application number: CN201910147807.0A
Authority: CN
Inventors: 顾照泉
Original assignee: Shanghai Pateo Electronic Equipment Manufacturing Co Ltd
Current assignee: Shanghai Pateo Electronic Equipment Manufacturing Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-09-04

Abstract

The application relates to the technical field of vehicles, and provides a vehicle, a vehicle machine device and a display control method based on an instrument panel, wherein the display control method based on the instrument panel comprises the following steps: the vehicle equipment judges whether a switching display trigger signal is acquired, if the switching display trigger signal is acquired, the vehicle equipment establishes communication connection with the instrument panel, acquires the current display content of a vehicle main screen, and sends the display content to the instrument panel for the instrument panel to display the display content. In this way, this application can obviously promote user's security and convenience using car machine equipment at the driving in-process, and the user no longer need rotate health or head and go to watch car machine main screen, also no longer need direct operation car machine equipment just can realize equal operating function, guarantees user's driving safety, improves user experience.

Description

Vehicle, vehicle equipment and display control method based on instrument panel

Technical Field

The application relates to the technical field of vehicles, in particular to a display control method based on an instrument panel, and a vehicle machine device and a vehicle applying the display control method based on the instrument panel.

Background

With the continuous improvement of living standard, automobiles are more and more common in the life of people, and gradually become one of indispensable vehicles in the life of people in cities and villages.

In the prior art, a dashboard on a vehicle is generally used for displaying information such as speed, oil quantity and temperature. On the other hand, along with the high pursuit of the user to the car machine equipment, the car machine equipment can provide more and more intelligent operation and experience, but, it is easy to understand that it is obviously unsafe and not convenient enough to go to operate the host computer screen in the driving process. Especially, if the user often needs to look over the screen of the host computer, traffic accidents can easily occur due to the sight line transfer, great inconvenience and potential safety hazards are brought to the user, and the user experience is seriously influenced to a certain extent.

In order to overcome the defects of the prior art, such as potential safety hazards, a new vehicle, a vehicle machine device, an instrument panel and the like, needs to be provided urgently in the technical field to solve the defects and shortcomings.

Disclosure of Invention

An object of the application is to provide a vehicle, car machine equipment and show control method based on panel board, can obviously promote security and the convenience that the user used car machine equipment at the driving in-process, the user no longer need rotate health or head to go to watch the car machine main screen, also no longer need direct operation car machine equipment just can realize equal operating function, guarantee user's driving safety, improve user experience.

In order to solve the above technical problem, the present application provides a display control method based on an instrument panel, and as an implementation manner, the display control method based on the instrument panel includes the steps of:

the vehicle-mounted equipment judges whether a switching display trigger signal is acquired or not;

if the switching display trigger signal is acquired, the vehicle-mounted equipment establishes communication connection with an instrument panel;

the vehicle equipment acquires the current display content of the vehicle main screen, and sends the display content to the instrument panel for the instrument panel to display the display content.

As one embodiment, the switching display trigger signal is generated as follows: the method is generated by executing preset single-point touch operation, multi-point touch operation, track touch operation and/or gesture operation on the car machine main screen.

As one embodiment, the switching display trigger signal is generated as follows: generated by a preset voice control command and/or a preset physical key mode.

As one embodiment, the preset physical keys are arranged at a frame position of the car machine main screen, a frame position of the dashboard and/or a steering wheel of the vehicle.

As one embodiment, before the step of determining whether the switching display trigger signal is acquired, the in-vehicle device further includes:

the method comprises the steps that the vehicle-mounted equipment judges whether current display content of a vehicle-mounted main screen meets screen throwing rules or not;

and if the screen projection rule is met, executing the step that the vehicle-mounted equipment judges whether the switching display trigger signal is acquired or not.

As one implementation mode, the display content meeting the screen projection rule is a vehicle-mounted navigation interface, a vehicle-mounted chat interface or a vehicle-mounted video interface.

As one embodiment, after the step of obtaining the current display content of the in-vehicle device main screen and sending the display content to the dashboard, the in-vehicle device further includes:

the vehicle-mounted equipment judges whether key information from an instrument key is received or not;

analyzing according to the key information to obtain a corresponding key instruction;

and executing the key instruction to perform function control on the display content.

As one of the embodiments:

the display content is a vehicle-mounted navigation interface, and the function control correspondingly comprises confirmation of a navigation route, switching of the navigation route and closing of the vehicle-mounted navigation interface;

the display content is a vehicle-mounted chat interface, and the function control correspondingly comprises receiving chat information, editing the chat information, inputting voice chat information, sending the chat information and closing the vehicle-mounted chat interface;

the display content is a vehicle-mounted video interface, and the function control correspondingly comprises starting playing, pausing playing and stopping playing the vehicle-mounted video;

the display content is an on-board radio interface, and the function control correspondence comprises radio pause, radio play, previous play, next play, AM switching, FM switching and online radio switching.

As one embodiment, the meter keys are arranged on a steering wheel of the vehicle, and the vehicle-mounted device receives key information from the meter keys in a CAN message manner.

As one embodiment, after the step of obtaining the current display content of the in-vehicle device main screen and sending the display content to the dashboard, the in-vehicle device further includes the steps of:

the dashboard receives display contents of the in-vehicle machine main screen sent by the in-vehicle machine equipment;

and the dashboard displays the display content in a preset mode.

In order to solve the technical problem, the present application further provides a car-mounted device, which is configured with a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to implement the dashboard-based display control method as described above.

In order to solve the technical problem, the present application further provides a vehicle, as one embodiment, the vehicle is configured with the in-vehicle device as described above.

The application provides a vehicle, a vehicle machine device and a display control method based on an instrument panel, wherein the display control method based on the instrument panel comprises the following steps: the vehicle equipment judges whether a switching display trigger signal is acquired, if the switching display trigger signal is acquired, the vehicle equipment establishes communication connection with the instrument panel, acquires the current display content of a vehicle main screen, and sends the display content to the instrument panel for the instrument panel to display the display content. This application can obviously promote user's security and the convenience of using car machine equipment at the driving in-process, and the user no longer need rotate health or head and go to watch car machine main screen, also no longer need direct operation car machine equipment just can realize equal operating function, guarantees user's driving safety, improves user experience.

The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood, the present application may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present application more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic flowchart of an embodiment of a display control method based on an instrument panel according to the present application.

Fig. 2 is a schematic block diagram of the car machine device according to the present application.

Fig. 3 is a schematic flowchart of another embodiment of the display control method based on an instrument panel according to the present application.

Fig. 4 is a schematic block diagram of an instrument panel according to the present application.

Detailed Description

To further illustrate the technical means and effects of the present application for achieving the intended application purpose, the following detailed description is provided for the embodiments, methods, steps, features and effects of the display control method based on the vehicle, the vehicle-mounted device and the dashboard according to the present application with reference to the accompanying drawings and the preferred embodiments.

The foregoing and other technical matters, features and effects of the present application will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present application has been described in terms of specific embodiments and examples for achieving the desired objects and objectives, it is to be understood that the invention is not limited to the disclosed embodiments, but is to be accorded the widest scope consistent with the principles and novel features as defined by the appended claims.

Referring to fig. 1, fig. 1 is a schematic flow chart illustrating an embodiment of a display control method based on an instrument panel according to the present application.

The dashboard-based display control method according to this embodiment may include, but is not limited to, the following steps.

Step S101, the vehicle equipment judges whether a switching display trigger signal is acquired;

step S102, if the switching display trigger signal is acquired, the vehicle-mounted equipment establishes communication connection with an instrument panel; if not, no processing is carried out;

step S103, the vehicle equipment acquires the current display content of the vehicle main screen and sends the display content to the dashboard, so that the dashboard can display the display content.

In this embodiment, the generation method of the switching display trigger signal is as follows: the method is generated by executing preset single-point touch operation, multi-point touch operation, track touch operation and/or gesture operation on the car machine main screen.

For example, a user may preset to perform a single-point touch operation on a certain position of a car-mounted device main screen, or perform a multi-point touch operation on a plurality of positions simultaneously, or perform an S-type track touch operation, or set an OK-type gesture operation, and the like, and when the car-mounted device monitors these operations, a switching display trigger signal is automatically generated.

In another embodiment, the switching display trigger signal is generated as follows: generated by a preset voice control command and/or a preset physical key mode. For example, the user may say "please display through the dashboard", or the user may perform a key operation on a physical key at any position to implement the above function.

In this embodiment, the preset physical keys are disposed at a frame position of the car-mounted main screen, a frame position of the dashboard, and/or a steering wheel of the vehicle.

It should be noted that, before the step of determining whether the switching display trigger signal is acquired by the vehicle equipment according to this embodiment, the method further includes: the method comprises the steps that the vehicle-mounted equipment judges whether current display content of a vehicle-mounted main screen meets screen throwing rules or not; and if the screen projection rule is met, executing the step that the vehicle-mounted equipment judges whether the switching display trigger signal is acquired or not.

It should be particularly noted that the display content conforming to the screen projection rule in the embodiment is a vehicle navigation interface, a vehicle chat interface or a vehicle video interface.

For example, the user can slide laterally leftwards or upwards on the interface of the main screen of the vehicle machine through the double fingers, the three fingers, the four fingers or the five fingers to project and display the navigation map interface of the main screen of the vehicle machine on the instrument panel, and correspondingly, the user can slide laterally rightwards or downwards on the interface of the main screen of the vehicle machine through the double fingers, the three fingers, the four fingers and the five fingers to cancel the navigation map being displayed on the instrument panel and switch to display other non-navigation map interfaces.

In addition, this embodiment the car machine equipment obtains the current display content of the car machine home screen, and after the step of sending the display content to the instrument panel, the method further includes:

step 11, the vehicle equipment judges whether key information from an instrument key is received or not;

step 12, analyzing according to the key information to obtain a corresponding key instruction;

and step 13, executing the key instruction to perform function control on the display content.

Specifically, the present application may include the following various embodiments:

In this embodiment, the meter keys are disposed on a steering wheel of the vehicle, and the in-vehicle device receives key information from the meter keys in a CAN message manner.

It should be noted that, after the step of acquiring the current display content of the in-vehicle device main screen and sending the display content to the dashboard, the in-vehicle device according to this embodiment further includes the steps of: the dashboard receives display contents of the in-vehicle machine main screen sent by the in-vehicle machine equipment; and the dashboard displays the display content in a preset mode.

The instrument panel can synchronously display with the vehicle machine main screen, and can close the vehicle machine main screen or reduce the display brightness of the vehicle machine main screen and the like when the instrument panel displays, so that energy conservation is realized.

This application can obviously promote user's security and the convenience of using car machine equipment at the driving in-process, and the user no longer need rotate health or head and go to watch car machine main screen, also no longer need direct operation car machine equipment just can realize equal operating function, guarantees user's driving safety, improves user experience.

Referring to fig. 2, fig. 2 is a schematic block diagram of a vehicle-mounted device according to the present application.

In this embodiment, the in-vehicle device may be configured with a memory 20 and a processor 21, where the memory 20 stores a computer program, and the processor 21 is configured to execute the computer program, so as to implement the dashboard-based display control method as shown in fig. 1 and the embodiment thereof.

Referring to fig. 3, fig. 3 is a schematic flow chart of another embodiment of the dashboard-based display control method according to the present application.

In this embodiment, the dashboard-based display control method includes, but is not limited to, the following steps.

Step S301, a meter panel establishes communication connection with the vehicle equipment;

step S302, receiving display content of a vehicle machine main screen sent by the vehicle machine equipment;

and step S303, displaying the display content by the instrument panel in a preset mode.

Specifically, the display content is a vehicle navigation interface, a vehicle chat interface or a vehicle video interface.

It is worth mentioning that this embodiment panel board can show with the car machine main screen synchronization, also can be when the panel board shows, closes car machine main screen, perhaps transfers down the demonstration luminance etc. of car machine main screen to realize energy-conservation.

Referring to fig. 4, fig. 4 is a schematic block diagram of an instrument panel according to the present application.

In this embodiment, the dashboard may be configured with a communication assembly 40 and a display 41.

Specifically, the communication component 40 is configured to establish a communication connection with a car machine device, and receive display content of a car machine main screen sent by the car machine device; the display 41 is connected with the communication component 40 and is used for displaying the display content in a predetermined manner, wherein the display content is a vehicle-mounted navigation interface, a vehicle-mounted chat interface or a vehicle-mounted video interface.

It is to be noted that the predetermined manner of the present embodiment may include a floating display, a semi-transparent display, or the like.

In addition, the embodiment also provides a vehicle, and the vehicle can be configured with the vehicle machine equipment as shown in fig. 2 and the embodiment thereof and/or the instrument panel as shown in fig. 4 and the embodiment thereof.

For the special instrument panel of the embodiment, the embodiment may also adopt the following mode to upgrade the instrument panel, and the specific process includes the following steps:

the vehicle-mounted equipment decomposes an upgrade package for upgrading the vehicle-mounted instrument into a BMP upgrade file in a BMP bitmap format;

sending the BMP upgrade file to the vehicle-mounted instrument by using an LVDS interface line for data verification;

the vehicle-mounted equipment acquires a data verification result fed back by the vehicle-mounted instrument;

and when the data verification result is that the verification is passed, upgrading the vehicle-mounted instrument by using the BMP upgrade file.

In this embodiment, the LVDS refers to Low Voltage Differential Signaling, that is, an interface line for implementing Low-Voltage Differential signal transmission. The host of the in-vehicle device and the instrument panel can be connected through LVDS.

It should be noted that the present embodiment may adopt the V2X technology, so that the technology of connecting the vehicle to all objects, especially to the objects capable of building an internet of things, realizes the vehicle-to-vehicle interconnection, the vehicle-to-object interconnection, the vehicle-to-home interconnection, etc., and for convenience of description, the present application adopts the internet of vehicles for unified description.

In this embodiment, the vehicle-mounted device may establish network connection with other vehicle-mounted devices, a mobile communication terminal, a parking lot management system, and a target camera within an available metropolitan area range through a WIFI network, a Zigbee network, a 3G communication network, a 4G communication network, and/or a 5G communication network.

It should be noted that the 5G communication network technology of the present embodiment may be a technology oriented to a scene, and the present application utilizes the 5G technology to play a key supporting role for a vehicle (especially an intelligent networked automobile), and simultaneously implements connection of people, objects or vehicles, and may specifically adopt the following three typical application scenarios.

The first is eMBB (enhanced Mobile Broadband), which enables the user experience rate to be 0.1-1 gpbs, the peak rate to be 10 gpbs, and the traffic density to be 10Tbps/km²；

For the second ultra-reliable low-delay communication, the main index which can be realized by the method is that the end-to-end time delay is in the ms (millisecond) level; the reliability is close to 100%;

the third is mMTC (mass machine type communication), and the main indexes which can be realized by the method are the connection number density, 100 ten thousand other terminals are connected per square kilometer, and 10⁶/km²。

Through the mode, the characteristics of the super-reliable of this application utilization 5G technique, low time delay combine for example radar and camera etc. just can provide the ability that shows for the vehicle, can realize interdynamic with the vehicle, utilize the interactive perception function of 5G technique simultaneously, and the user can do an output to external environment, and the unable light can detect the state, can also do some feedbacks etc.. Further, the method and the device can also be applied to cooperation of automatic driving, such as cooperation type collision avoidance and vehicle formation among vehicles, so that the vehicle speed is integrally formed and the passing efficiency is improved.

In addition, the communication enhancement automatic driving perception capability can be achieved by utilizing the 5G technology, and the requirements of passengers in the automobile on AR (augmented reality)/VR (virtual reality), games, movies, mobile office and other vehicle-mounted information entertainment and high precision can be met. According to the method and the device, the downloading amount of the 3D high-precision positioning map at the centimeter level can be 3-4 Gb/km, the data volume of the map per second under the condition that the speed of a normal vehicle is limited to 120km/h (kilometer per hour) is 90 Mbps-120 Mbps, and meanwhile, the real-time reconstruction of a local map fused with vehicle-mounted sensor information, modeling and analysis of dangerous situations and the like can be supported.

It should be noted that the method and the device can also be applied to an automatic driving layer, can assist in realizing partial intelligent cloud control on the urban fixed route vehicles by utilizing a 5G technology, and can realize cloud-based operation optimization and remote display and control under specific conditions on unmanned vehicles in parks and ports.

In the present application, the above-mentioned system and method CAN be used in a vehicle system having a vehicle TBOX, i.e. the vehicle is a vehicle system that CAN have a vehicle TBOX, and CAN be further connected to a CAN bus of the vehicle.

In this embodiment, the CAN may include three network channels CAN _1, CAN _2, and CAN _3, and the vehicle may further include one ethernet network channel, where the three CAN network channels may be connected to the ethernet network channel through two in-vehicle networking gateways, for example, where the CAN _1 network channel includes a hybrid power assembly system, where the CAN _2 network channel includes an operation support system, where the CAN _3 network channel includes an electric dynamometer system, and the ethernet network channel includes a high-level management system, the high-level management system includes a human-vehicle-road simulation system and a comprehensive information collection unit that are connected as nodes to the ethernet network channel, and the in-vehicle networking gateways of the CAN _1 network channel, the CAN _2 network channel, and the ethernet network channel may be integrated in the comprehensive information collection unit; the car networking gateway of the CAN _3 network channel and the Ethernet network channel CAN be integrated in a man-car-road simulation system.

Further, the nodes connected to the CAN _1 network channel include: the hybrid power system comprises an engine ECU, a motor MCU, a battery BMS, an automatic transmission TCU and a hybrid power controller HCU; the nodes connected with the CAN _2 network channel are as follows: the system comprises a rack measurement and control system, an accelerator sensor group, a power analyzer, an instantaneous oil consumption instrument, a direct-current power supply cabinet, an engine water temperature control system, an engine oil temperature control system, a motor water temperature control system and an engine intercooling temperature control system; the nodes connected with the CAN _3 network channel are as follows: electric dynamometer machine controller.

The preferable speed of the CAN _1 network channel is 250Kbps, and a J1939 protocol is adopted; the rate of the CAN _2 network channel is 500Kbps, and a CANopen protocol is adopted; the rate of the CAN _3 network channel is 1Mbps, and a CANopen protocol is adopted; the rate of the Ethernet network channel is 10/100Mbps, and a TCP/IP protocol is adopted.

In this embodiment, the car networking gateway supports a 5G technology V2X car networking network, which may also be equipped with an IEEE802.3 interface, a DSPI interface, an eSCI interface, a CAN interface, an MLB interface, a LIN interface, and/or an I2C interface.

In this embodiment, for example, the IEEE802.3 interface may be used to connect to a wireless router to provide a WIFI network for the entire vehicle; the DSPI (provider manager component) interface is used for connecting a Bluetooth adapter and an NFC (near field communication) adapter and can provide Bluetooth connection and NFC connection; the eSCI interface is used for connecting the 4G/5G module and communicating with the Internet; the CAN interface is used for connecting a vehicle CAN bus; the MLB interface is used for connecting an MOST (media oriented system transmission) bus in the vehicle, and the LIN interface is used for connecting a LIN (local interconnect network) bus in the vehicle; the IC interface is used for connecting a DSRC (dedicated short-range communication) module and a fingerprint identification module. In addition, the application can merge different networks by mutually converting different protocols by adopting the MPC5668G chip.

In addition, the vehicle TBOX system, Telematics-BOX, of the present embodiment is simply referred to as a vehicle TBOX or a Telematics.

Telematics is a synthesis of Telecommunications and information science (information) and is defined as a service system that provides information through a computer system, a wireless communication technology, a satellite navigation device, and an internet technology that exchanges information such as text and voice, which are built in a vehicle. In short, the vehicle is connected to the internet (vehicle networking system) through a wireless network, and various information necessary for driving and life is provided for the vehicle owner.

In addition, Telematics is a combination of wireless communication technology, satellite navigation system, network communication technology and vehicle-mounted computer, when a fault occurs during vehicle running, the vehicle is remotely diagnosed by connecting a service center through wireless communication, and the computer built in the engine can record the state of main parts of the vehicle and provide accurate fault position and reason for maintenance personnel at any time. The vehicle can receive information and check traffic maps, road condition introduction, traffic information, safety and public security services, entertainment information services and the like through the user communication terminal, and in addition, the vehicle of the embodiment can be provided with electronic games and network application in a rear seat. It is easy to understand that, this embodiment provides service through Telematics, can make things convenient for the user to know traffic information, the parking stall situation that closes on the parking area, confirms current position, can also be connected with the network server at home, in time knows electrical apparatus running condition, the safety condition and guest's condition of visiting etc. at home.

The vehicle according to this embodiment may further include an Advanced Driver Assistance System (ADAS) that collects environmental data inside and outside the vehicle at the first time using the various sensors mounted on the vehicle, and performs technical processing such as identification, detection, and tracking of static and dynamic objects, so that a Driver can recognize a risk that may occur at the fastest time, thereby attracting attention and improving safety. Correspondingly, the ADAS of the present application may also employ sensors such as radar, laser, and ultrasonic sensors, which can detect light, heat, pressure, or other variables for monitoring the state of the vehicle, and are usually located on the front and rear bumpers, side view mirrors, the inside of the steering column, or on the windshield of the vehicle. It is obvious that various intelligent hardware used by the ADAS function can access the V2X car networking network by means of an ethernet link to implement communication connection and interaction.

The host computer of the present embodiment vehicle may comprise suitable logic, circuitry, and/or code that may enable operation and/or functional operation of the five layers above the OSI model (Open System Interconnection, Open communication systems Interconnection reference model). Thus, the host may generate and/or process packets for transmission over the network, and may also process packets received from the network. At the same time, the host may provide services to a local user and/or one or more remote users or network nodes by executing corresponding instructions and/or running one or more applications. In various embodiments of the present application, the host may employ one or more security protocols.

In the present application, the network connection used to implement the V2X car networking network may be a switch, which may have AVB functionality (Audio Video brightening, meeting the IEEE802.1 set of standards), and/or include one or more unshielded twisted pair wires, each of which may have an 8P8C module connector.

In a preferred embodiment, the V2X vehicle networking network specifically comprises a vehicle body control module BCM, a power bus P-CAN, a vehicle body bus I-CAN, a combination instrument CMIC, a chassis control device and a vehicle body control device.

In this embodiment, the body control module BCM may integrate the functions of the car networking gateway to perform signal conversion, message forwarding, and the like between different network segments, i.e., between the power bus P-CAN and the body bus I-CAN, for example, if a controller connected to the power bus needs to communicate with a controller connected to the body bus I-CAN, the body control module BCM may perform signal conversion, message forwarding, and the like between the two controllers.

The power bus P-CAN and the vehicle body bus I-CAN are respectively connected with a vehicle body control module BCM.

The combination instrument CMIC is connected with a power bus P-CAN, and the combination instrument CMIC is connected with a vehicle body bus I-CAN. Preferably, the combination meter CMIC of the present embodiment is connected to different buses, such as a power bus P-CAN and a vehicle body bus I-CAN, and when the combination meter CMIC needs to acquire controller information that is hung on any bus, it is not necessary to perform signal conversion and message forwarding through a vehicle body control module BCM, so that gateway pressure CAN be reduced, network load CAN be reduced, and the speed of acquiring information by the combination meter CMIC CAN be increased.

The chassis control device is connected with the power bus P-CAN. The vehicle body control device is connected with a vehicle body bus I-CAN. In some examples, the chassis control device and the body control device CAN respectively broadcast data such as information to the power bus P-CAN and the body bus I-CAN, so that other vehicle-mounted controllers and other devices hung on the power bus P-CAN or the body bus I-CAN CAN acquire the broadcast information, and communication between the vehicle-mounted devices such as different controllers is realized.

In addition, the V2X car networking network of the vehicle of the embodiment may use two CAN buses, i.e., a power bus P-CAN and a car body bus I-CAN, and use the car body control module BCM as a gateway, and a structure that the combination meter CMIC is connected to both the power bus P-CAN and the car body bus I-CAN, so that an operation that information of the chassis control device or the car body control device is forwarded to the combination meter CMIC through the gateway when the combination meter CMIC is hung on one of the two buses in the conventional manner CAN be omitted, thereby reducing the pressure of the car body control module BCM as a gateway, reducing network load, and more conveniently sending information of vehicle-mounted devices hung on the plurality of buses, e.g., the power bus P-CAN and the car body bus I-CAN, to the combination meter CMIC for display and with strong information transmission real-time.

By way of example, specific embodiments of the present application include the following:

in the first embodiment, a user displays a map of a main screen of the vehicle machine on an instrument panel in a gesture mode, and then slides horizontally/upwards leftwards through two fingers, three fingers, four fingers and five fingers to display a navigation map interface of the main machine on the instrument panel, and slides horizontally/downwards rightwards to cancel the navigation map interface on the instrument panel. The specific operation of the embodiment can be very convenient and fast to operate the navigation map of the host computer to the instrument panel, and the operability of the host computer to project the screen to the instrument is improved.

In the second implementation mode, the instrument keys are integrated on the steering wheel, and through the instrument keys on the steering wheel, a user can directly control the address book function of the host machine without manually clicking a screen to control the address book, so that the driving safety and the convenience are increased particularly in the driving process of a vehicle. The keys of the instrument in the embodiment CAN send the key information to the host of the vehicle equipment through the CAN message, and the host controls operations such as browsing, checking, making a call, answering the call or hanging up the call of the address list according to the information after analyzing the key information. Under the condition that a call is dialed in, the contact information is directly displayed on the instrument panel, a user can directly see the contact information on the instrument panel, and the user can select answering or hanging up through an instrument key on a steering wheel. The implementation mode can obviously improve the safety and the convenience of using the host by a user in the driving process, and the user can directly operate the address book to check the browsing function through the instrument keys on the steering wheel or realize the functions of answering, dialing, hanging up and the like of the telephone.

In the third embodiment, the instrument keys are integrated on the steering wheel, and the user can directly control the radio function of the host machine through the instrument keys on the steering wheel without manually clicking a screen to control the radio, so that the driving safety and the convenience are increased particularly in the driving process of a vehicle. The key information is sent to the host machine by the key of the instrument through the CAN message, and after the key information is analyzed by the host machine, the functions of playing, pausing, playing the previous station, playing the next station, switching AM, switching FM, switching online radio stations and the like of the radio of the host machine are controlled according to the information. The implementation mode can obviously improve the safety and the convenience of the user for using the host in the driving process, so that the user can operate the radio function of the host without manually operating the screen of the host.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being included within the following description of the preferred embodiment.

Claims

1. A display control method based on an instrument panel is characterized by comprising the following steps:

2. The dashboard-based display control method according to claim 1, wherein the switching display trigger signal is generated as follows: the method is generated by executing preset single-point touch operation, multi-point touch operation, track touch operation and/or gesture operation on the car machine main screen.

3. The dashboard-based display control method according to claim 1, wherein the switching display trigger signal is generated as follows: generated by a preset voice control command and/or a preset physical key mode.

4. The dashboard-based display control method according to claim 3, wherein the preset physical keys are provided at a frame position of the in-vehicle main screen, a frame position of the dashboard, and/or a steering wheel of the vehicle.

5. The instrument panel-based display control method according to any one of claims 1 to 4, wherein before the step of determining whether the switching display trigger signal is acquired by the in-vehicle device, the method further includes:

6. The dashboard-based display control method of claim 5, wherein the display content complying with the screen projection rule is a vehicle navigation interface, a vehicle chat interface or a vehicle video interface.

7. The dashboard-based display control method according to claim 1, wherein after the step of the in-vehicle device acquiring current display content of the in-vehicle device main screen and sending the display content to the dashboard, the method further comprises:

8. The dashboard-based display control method of claim 7, wherein:

9. The instrument panel-based display control method according to claim 7, wherein the instrument keys are disposed on a steering wheel of a vehicle, and the in-vehicle device receives key information from the instrument keys in a CAN message manner.

10. The dashboard-based display control method according to claim 1, wherein after the step of the in-vehicle device acquiring the current display content of the in-vehicle device main screen and sending the display content to the dashboard, the method further comprises the steps of:

and the dashboard displays the display content in a preset mode.

11. A car machine apparatus, characterized in that it is configured with a memory storing a computer program and a processor for executing the computer program to implement the dashboard-based display control method according to any one of claims 1 to 10.

12. A vehicle, characterized in that it is equipped with the in-vehicle machine apparatus as claimed in claim 11.