阅读说明：本技术 一种车辆驾驶模式显示系统及其控制方法 (Vehicle driving mode display system and control method thereof ) 是由 徐健 于 2020-04-28 设计创作，主要内容包括：本发明提供一种车辆驾驶模式显示系统,包括车身控制模块、多媒体车机、控制单元和执行单元,其中,车身控制模块用以提供车辆状态信息,并向控制单元发送车辆状态信号；多媒体车机接收车身控制模块发送的车辆状态信号,并向控制单元发送警示信号；控制单元接收车身控制模块发送的车辆状态信号及多媒体车机发送的警示信号；执行单元为LCD显示屏,显示车辆状态的图像或者文字信息；控制单元包括主微控制单元、第一从微控制单元和第二从微控制单元,第一从微控制单元控制安装于车辆左侧的LCD显示屏,第二从微控制单元控制安装于车辆右侧的述LCD显示屏,通过车辆驾驶模式显示系统提前告知其他交通参与者本车的驾驶模式状态,提高行车驾驶的安全性。(The invention provides a vehicle driving mode display system which comprises a vehicle body control module, a multimedia vehicle machine, a control unit and an execution unit, wherein the vehicle body control module is used for providing vehicle state information and sending a vehicle state signal to the control unit; the multimedia vehicle machine receives a vehicle state signal sent by the vehicle body control module and sends a warning signal to the control unit; the control unit receives a vehicle state signal sent by the vehicle body control module and a warning signal sent by the multimedia vehicle machine; the execution unit is an LCD display screen and displays images or character information of the vehicle state; the control unit comprises a master micro control unit, a first slave micro control unit and a second slave micro control unit, the first slave micro control unit controls an LCD display screen arranged on the left side of the vehicle, the second slave micro control unit controls the LCD display screen arranged on the right side of the vehicle, and other traffic participants are informed of the driving mode state of the vehicle in advance through a vehicle driving mode display system, so that the driving safety is improved.)

1. A vehicle driving mode display system, characterized by comprising:

the vehicle body control module is used for providing vehicle state information and sending a vehicle state signal to the control unit;

the multimedia vehicle machine receives the vehicle state signal sent by the vehicle body control module and sends a warning signal to the control unit;

the control unit is used for receiving a vehicle state signal sent by the vehicle body control module and a warning signal sent by the multimedia vehicle machine;

the execution unit is an LCD display screen and is used for displaying images or character information of the corresponding vehicle state;

the control unit comprises a master micro control unit, a first slave micro control unit and a second slave micro control unit, the first slave micro control unit controls the LCD display screen installed on the left side of the vehicle, and the second slave micro control unit controls the LCD display screen installed on the right side of the vehicle.

2. The vehicle driving mode display system of claim 1, wherein the vehicle body control module is connected to the multi-media vehicle machine through a CAN bus.

3. The system as claimed in claim 1, wherein said multi-media vehicle machine is connected to said main mcu via MOST bus.

4. The vehicle driving mode display system of claim 1, wherein the body control module is connected to the main micro control unit via a CAN bus.

5. A vehicle driving mode display system according to claim 1, wherein said first slave micro control unit is connected to the master micro control unit via a MOST bus and said second slave micro control unit is also connected to the master micro control unit via a MOST bus and a CAN bus.

6. The vehicle driving mode display system of claim 1, wherein the left LCD display screen is connected to the first slave micro control unit via LVDS bus.

7. The vehicle driving mode display system of claim 1, wherein the LCD display screen on the right side is connected to the second slave micro control unit via LVDS bus.

8. The vehicle driving mode display system of claim 1, further comprising an in-vehicle sensor for monitoring the body state information of the driver in real time.

9. A vehicle driving mode display system control method characterized by comprising the steps of:

when the vehicle enters an automatic driving mode, the vehicle body control module sends a state signal that the vehicle is in the automatic driving mode to the main micro control unit and the multi-media vehicle machine through the CAN bus, and the multi-media vehicle machine transmits a multi-media warning signal to the main micro control unit through the MOST bus after receiving the state signal that the vehicle is in the automatic driving mode;

after receiving a state signal that the vehicle is in an automatic driving mode, the master micro control unit sends a control command of 'LCD display ON' to the slave micro control unit through the CAN bus and sends a multimedia warning signal to the slave micro control unit through the MOST bus;

after receiving an LCD display ON command and a multimedia warning signal, the slave micro control unit converts the multimedia warning signal into an LVDS bus signal and sends the LVDS bus signal to an LCD display screen to display corresponding dynamic images or patterns or character information;

when the vehicle is in a non-automatic driving mode, the vehicle body control module sends a state signal that the vehicle is in the non-automatic driving mode to the main micro control unit and the multi-media vehicle machine through the CAN bus, and the multi-media vehicle machine stops transmitting the multi-media warning signal to the main micro control unit after receiving the state signal that the vehicle is in the non-automatic driving mode;

after receiving the state signal that the vehicle is in the non-automatic driving mode, the master micro control unit sends a control command of 'LCD display OFF' to the slave micro control unit through the CAN bus, and after receiving the control command, the slave micro control unit closes the LCD display screen.

Technical Field

The invention relates to the technical field of vehicle-mounted display control, in particular to a driving mode display system and a control method thereof.

Background

Data show that the yield of the automobiles in 2017 in China is as high as 2970 thousands of automobiles, the quantity of the automobiles is kept by 2 hundred million for the first time, and in recent years, with the rapid development of automatic driving technology, the number of the automobiles with automatic driving functions exceeds 700 thousands of automobiles. However, the current level of automatic driving skill is only at the level of L3, i.e., the driver may not be substantially looking forward during the time the automatic driving system is controlling the vehicle, but the driver must take action to respond when the automatic driving system calls the driver for a judgment operation.

However, in the process of road driving, random congestion and random lane change sometimes occur, but at present, even the most top automatic driving system cannot well handle the two situations, for example, severe traffic accidents occur due to random congestion of other vehicles in an automatic driving mode of tesla, so that the safety and stability of the automatic driving technology still have certain problems, and therefore, the driving mode state of the vehicle needs to be informed to other traffic participants in advance through a display system, and the driving safety is improved.

Disclosure of Invention

The invention provides a vehicle driving mode display system and a control method thereof, which solve the problem that the vehicle cannot be processed in time due to random jam and random lane change when the vehicle is in an automatic driving mode, and inform other traffic participants of the driving mode state of the vehicle in advance by displaying the vehicle driving mode display system, thereby improving the driving safety.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the invention discloses a vehicle driving mode display system on one hand, which comprises a vehicle body control module, a multimedia vehicle machine, a control unit and an execution unit, wherein the vehicle body control module is used for providing vehicle state information and sending a vehicle state signal to the control unit; the multimedia vehicle machine receives the vehicle state signal sent by the vehicle body control module and sends a warning signal to the control unit; the control unit receives a vehicle state signal sent by the vehicle body control module and a warning signal sent by the multimedia vehicle machine; the execution unit is an LCD display screen and is used for displaying images or character information of corresponding vehicle states; the control unit comprises a master micro control unit, a first slave micro control unit and a second slave micro control unit, the first slave micro control unit controls the LCD display screen installed on the left side of the vehicle, and the second slave micro control unit controls the LCD display screen installed on the right side of the vehicle.

Further, the car body control module is connected with the multimedia car machine through a CAN bus.

Furthermore, the multimedia vehicle machine is connected with the main micro control unit through an MOST bus.

Further, the vehicle body control module is connected with the main micro control unit through a CAN bus.

Furthermore, the first slave micro-control unit is connected with the main micro-control unit through an MOST bus and a CAN bus, and the second slave micro-control unit is also connected with the main micro-control unit through the MOST bus and the CAN bus.

Further, the LCD display screen on the left side is connected with the first slave micro control unit through an LVDS bus.

Further, the LCD display screen on the right side is connected with the second slave micro control unit through an LVDS bus.

In another aspect of the present invention, a method for controlling a vehicle driving mode display system includes the steps of:

when the vehicle enters an automatic driving mode, the vehicle body control module sends a state signal that the vehicle is in the automatic driving mode to the main micro control unit and the multi-media vehicle machine through the CAN bus, and the multi-media vehicle machine transmits a multi-media warning signal to the main micro control unit through the MOST bus after receiving the state signal that the vehicle is in the automatic driving mode;

after receiving a state signal that the vehicle is in an automatic driving mode, the master micro control unit sends a control command of 'LCD display ON' to the slave micro control unit through the CAN bus, and sends a multimedia warning signal to the slave micro control unit through the MOST bus;

after receiving an LCD display ON command and a multimedia warning signal, the slave micro control unit converts the multimedia warning signal into an LVDS bus signal and sends the LVDS bus signal to an LCD display screen to display corresponding dynamic images or patterns or character information;

when the vehicle is in a non-automatic driving mode, the vehicle body control module sends a state signal that the vehicle is in the non-automatic driving mode to the main micro control unit and the multi-media vehicle machine through the CAN bus, and the multi-media vehicle machine stops transmitting the multi-media warning signal to the main micro control unit after receiving the state signal that the vehicle is in the non-automatic driving mode;

after receiving the state signal that the vehicle is in the non-automatic driving mode, the master micro control unit sends a control command of 'LCD display OFF' to the slave micro control unit through the CAN bus, and after receiving the control command, the slave micro control unit closes the LCD display screen.

The beneficial technical effects are as follows:

1. the invention discloses a vehicle driving mode display system, which comprises a vehicle body control module, a multimedia vehicle machine, a control unit and an execution unit, wherein the vehicle body control module is used for providing vehicle state information and sending a vehicle state signal to the control unit; the multimedia vehicle machine receives the vehicle state signal sent by the vehicle body control module and sends a warning signal to the control unit; the control unit receives a vehicle state signal sent by the vehicle body control module and a warning signal sent by the multimedia vehicle machine; the execution unit is an LCD display screen and is used for displaying images or character information of corresponding vehicle states; the control unit comprises a main micro control unit, a first slave micro control unit and a second slave micro control unit, the first slave micro control unit controls the LCD display screen arranged on the left side of the vehicle, the second slave micro control unit controls the LCD display screen arranged on the right side of the vehicle, the problem that the vehicle cannot be processed in time due to random jam and random lane change when in an automatic driving mode is solved, and the driving mode state of the vehicle is informed to other traffic participants in advance through a vehicle driving mode display system, so that the driving safety is improved;

2. in the invention, the vehicle driving mode display system also comprises an in-vehicle sensor which is used for monitoring the body state information of the driver in real time, and when the driver is in fatigue driving or uncomfortable and can not drive the vehicle normally, the in-vehicle sensor can also send out warning or distress signals through an LCD display screen on the outer side of the vehicle, thereby ensuring the driving safety of road traffic participants.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic diagram of a vehicle driving mode display system according to the present invention;

fig. 2 is a wiring diagram of a left side display system of a vehicle driving mode display system according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The invention discloses a vehicle driving mode display system on one hand, and referring to fig. 1, the vehicle driving mode display system comprises a vehicle body control module, a multimedia vehicle machine, a control unit and an execution unit, wherein the vehicle body control module is used for providing vehicle state information and sending a vehicle state signal to the control unit; the multimedia vehicle machine receives a vehicle state signal sent by the vehicle body control module and sends a warning signal to the control unit; the control unit receives a vehicle state signal sent by the vehicle body control module and a warning signal sent by the multimedia vehicle machine; the execution unit is an LCD display screen and is used for displaying images or character information of the corresponding vehicle state; the control unit comprises a master micro control unit, a first slave micro control unit and a second slave micro control unit, the first slave micro control unit controls an LCD display screen arranged on the left side of the vehicle, the specific connection structure is shown in figure 2, and the first slave micro control unit is respectively connected with a left A column display screen, a left B column display screen and a left C column display screen through three LVDS driving chips; the second slave micro control unit controls the LCD display screen installed on the right side of the vehicle, the specific wiring structure on the right side is the same as that on the left side, and the second slave micro control unit is also connected with the left and right A column display screens, the right B column display screen and the right C column display screen through three LVDS driving chips.

As an embodiment of the present invention, specifically, the vehicle body control module is connected to the multi-media vehicle machine through a CAN bus, the multi-media vehicle machine is connected to the master micro control unit through an MOST bus, the vehicle body control module is connected to the master micro control unit through the CAN bus, the first slave micro control unit is connected to the master micro control unit through the MOST bus and the CAN bus, the second slave micro control unit is also connected to the master micro control unit through the MOST bus and the CAN bus, the left LCD display screen is connected to the first slave micro control unit through an LVDS bus, and the right LCD display screen is connected to the second slave micro control unit through an LVDS bus.

As a preferred embodiment of the present invention, the vehicle driving mode display system further includes an in-vehicle sensor for monitoring the physical status information of the driver in real time, and when the driver is in fatigue driving or is uncomfortable and unable to drive the vehicle normally, the LCD display screen on the outer side of the vehicle may also be used to send out warning or distress signals to the outside to ensure the driving safety of the road traffic participants.

In another aspect of the present invention, a method for controlling a vehicle driving mode display system includes the steps of:

when the vehicle enters the automatic driving mode, the vehicle body control module sends a state signal that the vehicle is in the automatic driving mode to the main micro control unit and the multimedia vehicle machine through the CAN bus, and the multimedia vehicle machine receives the state signal

After the state signal that the vehicle is in the automatic driving mode, a multimedia warning signal is transmitted to the main micro control unit through the MOST bus;

after receiving a state signal that the vehicle is in an automatic driving mode, the master micro control unit sends a control command of 'LCD display ON' to the slave micro control unit through the CAN bus, and sends a multimedia warning signal to the slave micro control unit through the MOST bus;

after receiving an LCD display ON command and a multimedia warning signal, the slave micro control unit converts the multimedia warning signal into an LVDS bus signal and sends the LVDS bus signal to an LCD display screen to display corresponding dynamic images or patterns or character information;

when the vehicle is in a non-automatic driving mode, the vehicle body control module sends a state signal that the vehicle is in the non-automatic driving mode to the main micro control unit and the multi-media vehicle machine through the CAN bus, and the multi-media vehicle machine stops transmitting the multi-media warning signal to the main micro control unit after receiving the state signal that the vehicle is in the non-automatic driving mode;

after receiving the state signal that the vehicle is in the non-automatic driving mode, the master micro control unit sends a control command of 'LCD display OFF' to the slave micro control unit through the CAN bus, and after receiving the control command, the slave micro control unit closes the LCD display screen.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.