Trailer lamp control method, electronic equipment and vehicle

Abstract

The invention provides a trailer lamp control method, electronic equipment and a vehicle, and the method comprises the steps: obtaining the communication record of a tractor and a trailer, the connection state of a display screen and the tractor, the vehicle information of the tractor and the display screen information in real time, and then obtaining the trailer lamp according to the communication record of the tractor and the trailer and the connection state of the display screen and the tractor; judging whether the display screen meets a starting condition or not; when it is determined that the display screen meets the opening condition, display information of the display screen is determined according to the vehicle information and the display screen information, and then the display screen is controlled to display the display information. The display content of the display screen can be determined according to the vehicle information of the tractor and the display screen information, so that the display content of the display screen can be kept consistent with the control intention of the tractor, other vehicles can timely and accurately know the intention of a driver, and the driving safety is ensured.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a trailer light control method, electronic equipment and a vehicle. Background Art

[0002] With the development of the automobile industry, cars are equipped with tools that can tow, and cars are used as tractors to tow RVs or flatbed trucks. During driving, when the trailer has no control lights or the control lights are damaged, the tractor cannot control the trailer lights of the trailer, resulting in other vehicles being unable to accurately and timely understand the driving intentions of the tractor driver, which can easily cause safety accidents. Summary of the invention

[0003] In view of this, the purpose of the present application is to propose a trailer light control method, electronic device and vehicle to solve the problem in the prior art that the trailer has no control light or the control light is damaged, resulting in the towing side being unable to control the trailer light, causing a safety accident.

[0004] Based on the above purpose, the present application provides a trailer light control method, wherein a display screen for displaying control light signals is installed on the trailer, and the method comprises:

[0005] Obtain real-time communication records between the tractor and trailer, connection status between the display screen and the tractor, vehicle information of the tractor, and display screen information;

[0006] Determining whether the display screen meets the opening condition according to the communication record between the tractor and the trailer and the connection status between the display screen and the tractor;

[0007] In response to determining that the display screen meets the opening condition, determining display information of the display screen according to the vehicle information and the display screen information;

[0008] According to the display information, the display screen is controlled to display the display information.

[0009] Optionally, judging whether the display screen meets the opening condition according to the communication record between the tractor and the trailer and the connection status between the display screen and the tractor includes:

[0010] In response to the communication record between the tractor and the trailer being a record of no signal transmission and the connection state between the display screen and the tractor being a normal connection state, it is determined that the display screen meets the start-up condition.

[0011] Optionally, the communication information between the tractor and the trailer is a record of no signal transmission, including:

[0012] In response to a fault in an electrical connection line between the tractor and the trailer, a fault in a headlight of the trailer, no electrical connection line of the trailer, or no headlight of the trailer, it is determined that the communication information between the tractor and the trailer is a record of no signal transmission.

[0013] Optionally, the connection state between the display screen and the tractor is a normal connection state, including:

[0014] In response to successfully sending a self-test signal to the display screen and receiving a feedback signal from the display screen within a preset time, it is determined that the connection state between the display screen and the tractor is normal.

[0015] Optionally, the display information includes display content, the vehicle information includes control light information, and the display screen information includes display screen power;

[0016] The step of determining the display information of the display screen according to the vehicle information and the display screen information includes:

[0017] In response to receiving the control light information and the display screen power being greater than a first preset threshold, generating a display image and display text according to the control light information, and using the display image and the display text as the display content;

[0018] In response to receiving the control light information and the display screen power being less than or equal to a first preset threshold, a display image or display text is generated according to the control light information, and the display image or the display text is used as the display content.

[0019] Optionally, the vehicle information includes the current driving time of the vehicle, and the display screen information includes the display screen status;

[0020] The step of determining the display information of the display screen according to the vehicle information and the display screen information includes:

[0021] In response to the current driving time of the vehicle being in the night time period and the display screen being in the off state, a backlight lighting signal of the display screen is generated, and the backlight lighting signal of the display screen is used as display information of the display screen;

[0022] In response to the current driving time of the vehicle being in the daytime period and the display screen being in the on state, a display screen closing signal is generated, and the display screen closing signal is used as display information of the display screen.

[0023] Optionally, the display information further includes display brightness, the vehicle information includes brightness information of the environment in which the vehicle is located, and the display screen information includes display screen power;

[0024] The step of determining the display information of the display screen according to the vehicle information and the display screen information includes:

[0025] In response to the brightness information being greater than the preset brightness information and the power level of the display screen being greater than a first preset threshold, determining that the display brightness of the display screen is a first brightness;

[0026] In response to the brightness information of the vehicle environment being greater than the preset brightness information and the power level of the display screen being less than or equal to a first preset threshold, the brightness of the display screen is determined to be a second brightness.

[0027] Optionally, the method further includes:

[0028] Determining the remaining usage time of the display screen according to the power of the display screen and the power consumption of the display screen per minute;

[0029] In response to the remaining usage time being less than a preset usage time threshold, a prompt message is generated.

[0030] Based on the same inventive concept, the present application also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, any of the methods described above is implemented.

[0031] Based on the same inventive concept, the present application also provides a vehicle, which includes: an electronic device as described above.

[0032] From the above, it can be seen that the present application provides a trailer light control method, electronic device and vehicle. The method obtains the communication record between the tractor and the trailer, the connection status of the display screen and the tractor, the vehicle information and display screen information of the tractor in real time, and then determines whether the display screen meets the opening condition according to the communication record between the tractor and the trailer and the connection status of the display screen and the tractor. When the display screen meets the opening condition, it can be understood that the tractor cannot control the control light of the trailer and the connection status of the display screen and the tractor is in a normal connection state, and the display screen can be turned on; then, according to the vehicle information and the display screen information, the display information of the display screen is determined, and then the display screen is controlled to display the display information. By determining the display content of the display screen according to the vehicle information and the display screen information of the tractor, it is ensured that the content displayed on the display screen can be consistent with the control intention of the tractor, so that other vehicles can understand the driver's intention in a timely and accurate manner to ensure driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the present application or related technologies, the drawings required for use in the embodiments or related technical descriptions are briefly introduced below. Obviously, the drawings described below are only embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 A flowchart of a trailer light control method according to an embodiment of the present application;

[0035] Figure 2 A schematic diagram of a process for determining display content of a display screen according to an embodiment of the present application;

[0036] Figure 3 A schematic diagram of a process for determining display information of a display screen according to an embodiment of the present application;

[0037] Figure 4 A schematic diagram of a brightness determination process of a display screen according to an embodiment of the present application;

[0038] Figure 5 This is a schematic diagram of the structure of a trailer light control device according to an embodiment of the present application;

[0039] Figure 6 A schematic diagram of the hardware structure of an electronic device according to an embodiment of the present application. DETAILED DESCRIPTION

[0040] In order to make the objectives, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

[0041] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present application should be the usual meanings understood by people with ordinary skills in the field to which the present application belongs. The "first", "second" and similar words used in the embodiments of the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Including" or "comprising" and similar words mean that the elements or objects appearing in front of the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0042] Based on the background technology, existing flatbed trucks such as cargo-pulling flatbed trucks or towing flatbed trucks may not be equipped with control lights. In this case, the flatbed truck cannot be electrically connected to the towing truck, and the towing truck cannot control the cargo-pulling flatbed truck. The towing flatbed truck is equipped with a control light, but the electrical connection with the towing truck cannot be achieved due to line damage; or the control light of the towing flatbed truck is damaged and cannot be lit, and the towing truck cannot control the towing flatbed truck. Since the towing truck cannot control the control light of the trailer, and since the trailer is located behind the towing truck, the trailer blocks the control light of the towing truck, which will cause other vehicles to be unable to accurately and timely understand the driver's driving intentions, which may easily cause safety accidents.

[0043] In order to solve the above technical problems, the present application provides a trailer light control method, which installs a display screen for displaying control light signals on the trailer to replace the trailer's control lights, so that other vehicles can observe the display screen to understand the driver's driving intention. Figure 1 By acquiring the communication records between the tractor and the trailer, the connection status between the display screen and the tractor, the vehicle information and the display screen information of the tractor in real time, and then judging whether the display screen meets the opening conditions according to the communication records between the tractor and the trailer and the connection status between the display screen and the tractor, when the display screen meets the opening conditions, it can be understood that the tractor cannot control the control lights of the trailer and the connection status between the display screen and the tractor is in a normal connection state, the display screen can be turned on; then according to the vehicle information and the display screen information, the display information of the display screen is determined, and then the display screen is controlled to display the display information. By determining the display content of the display screen according to the vehicle information and the display screen information of the tractor, it is ensured that the content displayed on the display screen can be consistent with the control intention of the tractor, so that other vehicles can understand the driver's intention in a timely and accurate manner to ensure driving safety.

[0044] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0045] Reference Figure 1 , the present application provides a trailer light control method, wherein a display screen for displaying control light signals is installed on the trailer.

[0046] Specifically, the display screen can be attached to the rear of the trailer by adhesive or fixed to the rear of the trailer by bolts. Exemplarily, it can be fixed to the crossbeam at the rear of the trailer by bolts. The display screen can be an LED display screen. A 5G module or a Bluetooth module is integrated inside the display screen, and the display screen can be connected to the vehicle controller of the tractor through a 5G module or a Bluetooth module to achieve interaction between the display screen and the vehicle controller of the tractor. Among them, the tractor can be a variety of models such as a sedan, an off-road vehicle, and an SUV. The trailer can be a flatbed truck or a motorhome. The connection method between the display screen and the vehicle controller of the tractor can also be an electrical line connection, which is not specifically limited in this application.

[0047] The trailer light control method specifically comprises the following steps:

[0048] Step 102: Acquire in real time the communication record between the tractor and the trailer, the connection status between the display screen and the tractor, the vehicle information of the tractor, and the display screen information.

[0049] In this step, if there is a need for a trailer, the driver will connect the trailer to the tractor to ensure driving safety, but it is unavoidable that the trailer cannot be connected to the tractor due to a fault or damage, and the connection between the trailer and the tractor is set when the trailer is towed for the first time, and it is not necessarily connected again when driving next time, and the driver and the vehicle cannot clearly understand the communication between the trailer and the tractor. Therefore, the communication record between the tractor and the trailer and the connection status of the display screen and the tractor are obtained in real time through the vehicle controller of the tractor, so that the communication information between the tractor and the trailer can be clearly understood. When there is no communication record between the tractor and the trailer, it means that the trailer and the tractor have no communication connection. For driving safety, the display screen is needed to replace the control light of the trailer. At this time, it is necessary to judge whether the connection status between the display screen and the tractor is normal. If it is not normal, a prompt message needs to be issued to remind the driver to eliminate the connection problem between the display screen and the tractor. If it is normal, the tractor can control the display screen to display. The vehicle controller of the tractor obtains the vehicle information and display screen information of the tractor in real time, and can then accurately control the display screen according to the vehicle information and display screen information of the tractor, so that the content displayed on the display screen is consistent with the driving intention of the tractor to ensure safe driving of the vehicle.

[0050] Step 104: Determine whether the display screen meets the start-up condition based on the communication record between the tractor and the trailer and the connection status between the display screen and the tractor.

[0051] In this step, the vehicle controller of the tractor will determine whether the display screen meets the opening condition according to the communication record between the tractor and the trailer and the connection status of the display screen and the tractor. If the display screen meets the opening condition, the display screen will be controlled to open and display control will be performed. For example, if there is no communication record between the tractor and the trailer, it means that the tractor and the trailer cannot communicate with each other, and the display screen needs to be turned on. However, when turning on the display screen, the connection status between the display screen and the tractor needs to be normal, so that the display screen can be turned on normally and controlled. If the display screen does not meet the opening condition, the display screen can be turned off. If there is a normal communication record in the communication record between the tractor and the trailer, it means that the tractor and the trailer can communicate normally, and the control light of the trailer is not faulty, the tractor can accurately control the control light of the trailer, and then the display screen does not need to be turned on, thereby saving the power of the display screen and saving energy.

[0052] Step 106: In response to determining that the display screen meets the activation condition, determine the display information of the display screen according to the vehicle information and the display screen information.

[0053] In this step, the vehicle controller of the tractor determines that the display screen meets the opening conditions, then it needs to turn on the display screen, send an opening signal to the display screen to turn on the display screen, and at the same time determine the display information of the display screen based on the vehicle information and display screen information of the tractor, and then can accurately control the display screen based on the vehicle information and display screen information of the tractor, so that the content displayed on the display screen is consistent with the driving intention of the tractor to ensure safe driving of the vehicle.

[0054] Step 108: Control the display screen to display the display information according to the display information.

[0055] In this step, after the vehicle controller of the tractor has determined the display content according to the vehicle information and the display screen information, the display screen is controlled to display the display information to ensure that the display content of the display screen is consistent with the driving intention of the tractor. Figure 1 It can warn other vehicles and ensure safe driving.

[0056] Through steps 102-108, the vehicle controller of the tractor obtains the communication record between the tractor and the trailer, the connection status of the display screen and the tractor, the vehicle information and display screen information of the tractor in real time, and then determines whether the display screen meets the opening condition according to the communication record between the tractor and the trailer and the connection status of the display screen and the tractor. If it is determined that the display screen meets the opening condition, the display screen can be turned on. After the display screen is turned on, the display information of the display screen is determined according to the vehicle information and the display screen information, and then the display screen is controlled to display the display information. By determining the display content of the display screen according to the vehicle information and the display screen information of the tractor, it is ensured that the content displayed on the display screen can be consistent with the control intention of the tractor, so that other vehicles can understand the driver's intention in a timely and accurate manner to ensure driving safety.

[0057] In some embodiments, when turning on the display screen, it is necessary to first determine whether the display screen meets the turning-on conditions. If the display screen does not meet the turning-on conditions, for example, when the tractor can control the control lights of the trailer, other vehicles can understand the driving intention of the driver of the tractor through the control lights of the trailer, and the display screen does not need to be turned on, and then it is determined that the display screen does not meet the turning-on conditions to avoid waste of resources; if the tractor cannot control the control lights of the trailer, the control lights of the trailer cannot be lit, and other vehicles cannot understand the driving intention of the driver of the tractor, and it is necessary to use the display screen to warn other vehicles, and then it is necessary to turn on the display screen to determine that the display screen meets the turning-on conditions. The specific process of determining whether the display screen meets the turning-on conditions is as follows: the determination of whether the display screen meets the turning-on conditions based on the communication record between the tractor and the trailer and the connection status of the display screen and the tractor includes: in response to the communication record between the tractor and the trailer being a signal transmission record and the connection status of the display screen and the tractor being a normal connection status, determining that the display screen meets the turning-on conditions.

[0058] Specifically, after obtaining the communication record between the tractor and the trailer and the connection status of the display screen and the tractor, the vehicle controller of the tractor determines whether there is a signal transmission record in the communication record between the tractor and the trailer. When there is a signal transmission record in the communication record between the tractor and the trailer, it means that the tractor and the trailer can communicate normally. When there is no signal transmission record in the communication record between the tractor and the trailer, it means that the tractor and the trailer cannot communicate normally, which means that the tractor cannot control the control light of the trailer. After obtaining the connection status of the display screen and the tractor, it is determined whether the connection status of the display screen and the tractor is normal. When the connection status of the display screen and the tractor is abnormal, it means that the display screen is damaged or the connection line between the display screen and the tractor is faulty. The vehicle controller of the tractor can send prompt information to the display system of the tractor so that the display system displays the prompt information to prompt the driver to eliminate the problem. When the connection status of the display screen and the tractor is normal, it means that the display screen and the tractor can be connected normally, and the tractor can control the display content of the display screen. When the tractor and the trailer cannot communicate and the display screen can maintain a normal connection with the tractor, it is determined that the display screen meets the opening condition, and then the display screen can be turned on. When the tractor can normally control the control lights of the trailer and the display screen does not meet the conditions for turning on, other vehicles can be warned directly through the control lights of the trailer, thereby saving resources.

[0059] In some embodiments, based on the above embodiments, if there is no signal transmission record in the communication information between the tractor and the trailer, it means that the tractor and the trailer cannot communicate normally. However, there are many situations in which the tractor and the trailer cannot communicate normally. The specific situations in which the tractor and the trailer cannot communicate normally are introduced as follows: the communication information between the tractor and the trailer has no signal transmission record, including: in response to a failure of the electrical connection line between the tractor and the trailer, a failure of the headlights of the trailer, the trailer has no electrical connection line, or the trailer has no headlights, it is determined that the communication information between the tractor and the trailer has no signal transmission record.

[0060] Specifically, illustratively, the control system of the tractor can store a variety of trailer types, and the information of each trailer is stored in a table. For example, the trailer is a motorhome, which is equipped with a control light and a control system connected to the tractor. The trailer is a flatbed truck, which is not equipped with a control light and has no electrical connection line. Therefore, when the vehicle controller of the tractor determines that there is no signal transmission record of the communication information between the tractor and the trailer, if the trailer is a motorhome, it can be considered that the electrical connection line between the tractor and the trailer is faulty or the headlight of the trailer is faulty. If the trailer is a flatbed truck, it can be considered that there is no electrical connection line between the tractor and the trailer or the trailer has no headlight. Therefore, the vehicle controller of the tractor can determine the reason why the communication information between the tractor and the trailer is recorded as no signal based on the information of the various trailers stored in the system, so that the driver can accurately control the display screen according to the specific reason. In this embodiment, the reason why the communication information between the tractor and the trailer is recorded as no signal can also be sent to the display screen system of the tractor for display for the driver to view.

[0061] In some embodiments, before turning on the display screen, it is necessary to determine whether the connection status between the display screen and the tractor is normal. The display screen can be turned on only when the connection status is normal. Therefore, the specific process of judging whether the connection status between the display screen and the tractor is normal is as follows: the connection status between the display screen and the tractor is a normal connection status, including: in response to successfully sending a self-test signal to the display screen and receiving a feedback signal from the display screen within a preset time, determining that the connection status between the display screen and the tractor is a normal status.

[0062] Exemplarily, the vehicle controller of the tractor can detect the connection status of the display screen and the tractor according to the set interval detection time (exemplarily, the interval detection time is 5 minutes). After determining that the display screen meets the opening condition, the vehicle controller of the tractor sends a self-test signal to the display screen every 5 minutes. After the vehicle controller sends the self-test signal, the display screen will feedback the feedback signal of the self-test signal to the vehicle controller. However, since the display screen needs to receive and feedback time for receiving the signal and the feedback signal, and since the vehicle may be delayed due to the influence of the network, the signal receiving time (that is, the preset time, the exemplary preset time can be 30s) is set. Therefore, when the vehicle controller detects that the self-test signal is successfully sent to the display screen, and the feedback signal of the display screen is received within the preset time, it is determined that the connection status of the display screen and the tractor is normal, and the connection status of the display screen and the tractor is monitored in real time. Then, it can be judged whether the display screen meets the opening condition according to the connection status of the display screen and the tractor. If the connection status of the display screen and the tractor is abnormal, a prompt message can be sent to the display system to remind the driver to eliminate the problem.

[0063] In some embodiments, in order to make the information displayed on the display screen consistent with the driver's Figure 1 To warn other vehicles and ensure safe driving, the display information of the display screen is determined according to the vehicle information of the tractor and the display information, such as: Figure 2 As shown, the display information includes display content, the vehicle information includes control light information, and the display screen information includes display screen power;

[0064] Determining the display information of the display screen according to the vehicle information and the display screen information comprises the following steps:

[0065] Step 202: in response to receiving the control light information and the display screen power being greater than a first preset threshold, generating a display image and display text according to the control light information, and using the display image and the display text as the display content;

[0066] Step 204: In response to receiving the control light information and the display screen power being less than or equal to a first preset threshold, generate a display image or display text according to the control light information, and use the display image or the display text as the display content.

[0067] Specifically, the driver needs to operate the control light during driving, for example, turn on the turn signal, brake light, hazard warning light or reverse light, etc. If the driver operates the control light, the vehicle controller of the tractor receives the control light information, that is, receives the control light signal of the driver operating the control light. Since the vehicle controller obtains the display screen power in real time, the display content of the display screen can be controlled according to the display screen power. If the display screen power is high, multiple contents can be displayed, and if the display screen power is low, partial content is displayed. Therefore, the vehicle controller determines whether the display screen power is greater than the first preset threshold (exemplarily, the first preset threshold can be 60%). When the vehicle controller receives the control light information and determines that the display screen power is greater than the first preset threshold, it means that the display screen power is sufficient, and the display screen can display the display image and display text. Therefore, according to the control light information, the display image and display text are generated. For example, if the control light information is left turn, then the display image and left turn text of the left turn arrow example are generated according to the left turn light lighting information, and the display image and display text are used as display content and displayed on the display screen. When the vehicle controller receives the control light information and determines that the display screen power is less than or equal to the first preset threshold, it means that the display screen power is insufficient, and the display screen can display an image or display text. Then, a display image or display text is generated according to the control light information. For example, if the control light information is a left turn, then a display image of a left turn arrow example or a left turn text is generated according to the left turn light lighting information, and the display image or display text is used as the display content and displayed on the display screen. Among them, if the power is insufficient, the display content can be set. The driver can set it to display text or images according to his own preferences. It can be set through the display system of the tractor, and a control signal is sent to the LED display screen controller through the vehicle controller to control the display screen to display. By controlling the display content according to the power of the display screen, the power of the display screen can be saved and the use time of the display screen can be increased.

[0068] In some embodiments, since the display screens are of different sizes and display contents are different, the display position of the display contents in the display screen can be adjusted according to the display contents to make the display screen look more beautiful. Specifically, the control information also includes the display position, and the display screen information includes the display screen size;

[0069] After the display image and the display text are used as the display content, the method further includes:

[0070] In response to the display content including a display image and display text, a first display position of the display image and the display text is determined according to the size of the display screen.

[0071] Specifically, based on the above embodiment, the vehicle controller has determined that the display content includes display images and display text. When displaying images and display text on the display screen, the vehicle controller determines the size of the display image and the display text according to the size of the display screen (exemplarily, the size of the display screen is 30.4*15.2cm) (exemplarily, the size of the display image is 10*5cm and the size of the display text is 5*5cm), determines the distance between the display image and the display text according to the size of the display image and the display text, and then displays them at the first display position of the display screen according to the size of the display image, the size of the text and the distance between the display image and the display text. The exemplary first display position can be centered, left-aligned or right-aligned. For example, when the control light of the tractor is left-turning, the display image and the display text can be left-aligned; when the control light of the tractor is braking or double flashing (it can also be understood as controlling the brake light and the hazard warning light), the display image and the display text can be centered; when the control light of the tractor is right-turning, the display image and the display text can be right-aligned. This display method can better warn other vehicles and ensure safe driving.

[0072] In some embodiments, since the display screens are of different sizes and display contents are different, the display position of the display content in the display screen can be adjusted according to the display content to make the display screen look more beautiful. Specifically, the control information also includes the display position, and the display screen information includes the display screen size; after the display image or the display text is used as the display content, it also includes:

[0073] In response to the display content including a display image or display text, a second display position of the display image or the display text is determined according to the size of the display screen.

[0074] Specifically, on the basis of the above embodiment, the vehicle controller has determined that the display content includes displaying an image or displaying text. When displaying an image or displaying text on the display screen, the vehicle controller determines the size of the display image or display text (exemplarily, the size of the display image is 20*10cm or the size of the display text is 10*5cm) according to the size of the display screen (exemplarily, the size of the display screen is 30.4*15.2cm), and then displays it at the second display position of the display screen according to the size of the display image or the size of the display text. The exemplary second display position can be centered, left-aligned, or right-aligned. Exemplarily, when the control light of the tractor is for left turn, the displayed image or displayed text can be displayed with left alignment; when the control light of the tractor is for brake or double flash (which can also be understood as controlling the brake lights and hazard warning lights), the displayed image or displayed text can be displayed in the center; the control light of the tractor is

[0075] When turning right, the displayed image or text can be right-aligned. This display method can better warn other vehicles and ensure safe driving.

[0076] In some embodiments, for example, the display screen is a device that is subsequently installed on the trailer, and the display screen is powered by an independent power supply. Therefore, in order to save power on the display screen, different control methods can be used to control the display screen switch during the day or at night, such as: Figure 3 As shown, the vehicle information includes the current driving time of the vehicle, and the display screen information includes the display screen status;

[0077] Determining the display information of the display screen according to the vehicle information and the display screen information comprises the following steps:

[0078] Step 302: In response to the current driving time of the vehicle being in the night time period and the display screen being in the off state, a backlight lighting signal of the display screen is generated, and the backlight lighting signal of the display screen is used as display information of the display screen;

[0079] Step 304: In response to the current driving time of the vehicle being in the daytime period and the display screen being in the on state, a display screen closing signal is generated, and the display screen closing signal is used as display information of the display screen.

[0080] Specifically, in this embodiment, taking summer time as an example, the night time period is: 20:00-5:30, and the daytime time period is: 5:30-19:59. The vehicle controller of the tractor obtains the current driving time of the vehicle (for example, the current driving time of the vehicle is 22:03). According to the current driving time of the vehicle, it can be judged that the vehicle is driving at night, that is, the driving time of the vehicle is in the night time period; if the vehicle controller detects that the display screen is in the off state, the display screen can be turned on, and thus, a background light lighting signal of the display screen is generated. In this case, when the control light information is not received, if the control light information is received, the display content of the display screen can be generated (see the above embodiment for details, and this embodiment will not be repeated in detail) to control the display screen for system display. However, when the control light information is not received, the vehicle driving time is in the night time and the display screen is in the off state. Since the trailer lights cannot be controlled or the trailer has no control lights, driving will cause danger. Therefore, by lighting the background light of the display screen, this display screen is used as a sign screen to warn other vehicles to drive safely.

[0081] The vehicle controller of the tractor obtains the current driving time of the vehicle (for example, the current driving time of the vehicle is 12:15). According to the current driving time of the vehicle, it can be judged that the vehicle is driving during the day, that is, the vehicle driving time is in the daytime time period; if the vehicle controller detects that the display screen is in the on state, the display screen can be turned off, a screen off signal is generated, and the display screen off signal is used as the display information of the display screen to turn off the display screen in turn, thereby achieving the purpose of saving power for the display screen.

[0082] In some embodiments, for example, the display screen is a device that is subsequently installed on the trailer, and the display screen is powered by an independent power supply. Therefore, in order to save the power of the display screen, the display screen can be controlled to display at different brightness under different ambient brightness conditions, such as: Figure 4 As shown, the display information also includes display brightness, the vehicle information includes brightness information of the environment in which the vehicle is located, and the display screen information includes display screen power;

[0083] Determining the display information of the display screen according to the vehicle information and the display screen information comprises the following steps:

[0084] Step 402: In response to the brightness information being greater than the preset brightness information and the display screen power being greater than a first preset threshold, determining that the display screen brightness is a first brightness;

[0085] Step 404: In response to the brightness information of the vehicle's environment being greater than the preset brightness information and the battery level of the display screen being less than or equal to a first preset threshold, determine that the brightness of the display screen is a second brightness.

[0086] Specifically, a light sensor is arranged outside the tractor, and the brightness information of the environment in which the vehicle is located is obtained through the light sensor and transmitted to the vehicle controller of the tractor. The vehicle controller determines whether the brightness information is brighter. When the brightness information is greater than the preset brightness information, it means that the environment in which the vehicle is traveling is brighter. At this time, it is determined whether the power of the display screen is greater than the first preset threshold. When the power of the display screen is greater than the first preset threshold, it means that the power of the display screen is sufficient, and the display brightness of the display screen can be controlled to be the first brightness (for example, the first brightness is 80%). When the power of the display screen is less than or equal to the first preset threshold, it means that the power of the display screen is insufficient, and the display brightness of the display screen can be controlled to be the second brightness (for example, the second brightness is 50%). By controlling the brightness of the display screen according to the brightness information and the power of the display screen, the display screen can save power and increase the use time of the display screen.

[0087] In some embodiments, the display screen is a device that is subsequently installed on the trailer and is powered by a battery. When the power of the display screen is too low, the tractor cannot power it, and the driver needs to replace the battery or use other methods to power it. Therefore, the driver needs to be reminded to power the display screen in time. The specific process includes: determining the remaining usage time of the display screen according to the power of the display screen and the power consumption of the display screen per minute;

[0088] In response to the remaining usage time being less than a preset usage time threshold, a prompt message is generated.

[0089] Specifically, the exemplary display screen can be a purchased display screen, and the display screen has a power consumption per minute (the power consumption per minute can be obtained by testing or can be described in the display screen manual). After the display screen is connected to the tractor, the internal system of the tractor can obtain the power consumption of the display screen per minute, and the integrated vehicle controller can directly call the power consumption of the display screen per minute and the power of the obtained display screen for calculation to obtain the remaining use time of the display screen. When the remaining use time is less than the preset use time threshold, a prompt message is generated, and the prompt message is sent to the display system and displayed by the display system. This can then serve as a prompt to the driver. The prompt message can also be broadcasted by voice broadcast to prompt the driver by voice. By prompting the driver of insufficient power, the driver can quickly eliminate the problem of insufficient power on the display screen and ensure driving safety for the remaining journey.

[0090] On the basis of this embodiment, after reminding the driver to power the display screen, the driver can replace the battery for the display screen, or install a solar panel on the battery of the display screen to power it.

[0091] It should be noted that the method of the embodiment of the present application can be performed by a single device, such as a computer or server. The method of this embodiment can also be applied to a distributed scenario and completed by multiple devices cooperating with each other. In the case of such a distributed scenario, one of the multiple devices can only perform one or more steps in the method of the embodiment of the present application, and the multiple devices will interact with each other to complete the described method.

[0092] It should be noted that the above describes some embodiments of the present application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the above embodiments and still achieve the desired results. In addition, the processes depicted in the accompanying drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0093] Based on the same inventive concept, corresponding to any of the above-mentioned embodiment methods, the present application also provides a trailer light control device.

[0094] refer to Figure 5 , the trailer light control device comprises:

[0095] The acquisition module 502 is configured to acquire in real time the communication record between the tractor and the trailer, the connection status between the display screen and the tractor, the vehicle information of the tractor and the display screen information;

[0096] The judgment module 504 is configured to judge whether the display screen meets the opening condition according to the communication record between the tractor and the trailer and the connection status between the display screen and the tractor;

[0097] A determination module 506 is configured to determine display information of the display screen according to the vehicle information and the display screen information in response to determining that the display screen meets the opening condition;

[0098] The control module 508 is configured to control the display screen to display the display information according to the display information.

[0099] By acquiring the communication records between the tractor and the trailer, the connection status between the display screen and the tractor, the vehicle information and display screen information of the tractor in real time, and then judging whether the display screen meets the opening conditions according to the communication records between the tractor and the trailer and the connection status of the display screen and the tractor, when the display screen meets the opening conditions, it can be understood that the tractor cannot control the control light of the trailer and the connection status between the display screen and the tractor is in a normal connection state, the display screen can be turned on; then according to the vehicle information and the display screen information, the display information of the display screen is determined, and then the display screen is controlled to display the display information. By determining the display content of the display screen according to the vehicle information and the display screen information of the tractor, it is ensured that the content displayed on the display screen can be consistent with the control intention of the tractor, so that other vehicles can understand the driver's intention in a timely and accurate manner to ensure driving safety.

[0100] For the convenience of description, the above device is described in terms of functions divided into various modules. Of course, when implementing the present application, the functions of each module can be implemented in the same or multiple software and / or hardware.

[0101] The device of the above embodiment is used to implement a corresponding trailer light control method in any of the above embodiments, and has the beneficial effects of the corresponding method embodiment, which will not be repeated here.

[0102] Based on the same inventive concept, corresponding to any of the above-mentioned embodiments and methods, the present application also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, a trailer light control method described in any of the above embodiments is implemented.

[0103] Figure 6 A more specific schematic diagram of the hardware structure of an electronic device provided in this embodiment is shown, and the device may include: a processor 1010, a memory 1020, an input / output interface 1030, a communication interface 1040, and a bus 1050. The processor 1010, the memory 1020, the input / output interface 1030, and the communication interface 1040 are connected to each other through the bus 1050 in the device.

[0104] The processor 1010 can be implemented by a general-purpose CPU (Central Processing Unit), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits, and is used to execute relevant programs to implement the technical solutions provided in the embodiments of this specification.

[0105] The memory 1020 may be implemented in the form of ROM (Read Only Memory), RAM (Random Access Memory), static storage device, dynamic storage device, etc. The memory 1020 may store an operating system and other application programs. When the technical solutions provided in the embodiments of this specification are implemented by software or firmware, the relevant program codes are stored in the memory 1020 and are called and executed by the processor 1010.

[0106] The input / output interface 1030 is used to connect the input / output module to realize information input and output. The input / output module can be configured in the device as a component (not shown in the figure), or it can be externally connected to the device to provide corresponding functions. The input device may include a keyboard, a mouse, a touch screen, a microphone, various sensors, etc., and the output device may include a display, a speaker, a vibrator, an indicator light, etc.

[0107] The communication interface 1040 is used to connect a communication module (not shown) to realize communication interaction between the device and other devices. The communication module can realize communication through a wired mode (such as USB, network cable, etc.) or a wireless mode (such as mobile network, WIFI, Bluetooth, etc.).

[0108] The bus 1050 includes a path that transmits information between the various components of the device (eg, the processor 1010, the memory 1020, the input / output interface 1030, and the communication interface 1040).

[0109] It should be noted that, although the above device only shows the processor 1010, the memory 1020, the input / output interface 1030, the communication interface 1040 and the bus 1050, in the specific implementation process, the device may also include other components necessary for normal operation. In addition, it can be understood by those skilled in the art that the above device may also only include the components necessary for implementing the embodiments of the present specification, and does not necessarily include all the components shown in the figure.

[0110] The electronic device of the above embodiment is used to implement a corresponding trailer light control method in any of the above embodiments, and has the beneficial effects of the corresponding method embodiment, which will not be described in detail here.

[0111] Based on the same inventive concept, corresponding to any of the above-mentioned embodiments, the present application also provides a non-transitory computer-readable storage medium, wherein the non-transitory computer-readable storage medium stores computer instructions, and the computer instructions are used to enable the computer to execute a trailer light control method as described in any of the above embodiments.

[0112] The computer-readable medium of this embodiment includes permanent and non-permanent, removable and non-removable media, and information storage can be implemented by any method or technology. Information can be computer-readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, read-only compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, tape disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device.

[0113] The computer instructions stored in the storage medium of the above embodiment are used to enable the computer to execute a trailer light control method as described in any of the above embodiments, and have the beneficial effects of the corresponding method embodiments, which will not be repeated here.

[0114] It is understandable that before using the technical solutions of each embodiment of the present disclosure, the type, scope of use, usage scenarios, etc. of the personal information involved will be informed to the user in an appropriate manner, and the user's authorization will be obtained.

[0115] For example, in response to receiving an active request from a user, a prompt message is sent to the user to clearly remind the user that the operation requested to be performed will require obtaining and using the user's personal information. Thus, the user can independently choose whether to provide personal information to software or hardware such as an electronic device, application, server, or storage medium that performs the operation of the technical solution of the present disclosure according to the prompt message.

[0116] As an optional but non-limiting implementation, in response to receiving the user's active request, the prompt information may be sent to the user in the form of a pop-up window, in which the prompt information may be presented in text form. In addition, the pop-up window may also carry a selection control for the user to choose "agree" or "disagree" to provide personal information to the electronic device.

[0117] It is understandable that the above notification and the process of obtaining user authorization are merely illustrative and do not constitute a limitation on the implementation of the present disclosure. Other methods that meet relevant laws and regulations may also be applied to the implementation of the present disclosure.

[0118] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present application (including the claims) is limited to these examples. In line with the concept of the present application, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present application as described above, which are not provided in detail for the sake of simplicity.

[0119] In addition, to simplify the description and discussion, and in order not to make the embodiments of the present application difficult to understand, the known power supply / ground connection with the integrated circuit (IC) chip and other components may or may not be shown in the provided drawings. In addition, the device can be shown in the form of a block diagram to avoid making the embodiments of the present application difficult to understand, and this also takes into account the fact that the details of the implementation of these block diagram devices are highly dependent on the platform to be implemented in the embodiments of the present application (that is, these details should be fully within the scope of understanding of those skilled in the art). In the case of elaborating specific details (e.g., circuits) to describe exemplary embodiments of the present application, it is obvious to those skilled in the art that the embodiments of the present application can be implemented without these specific details or when these specific details are changed. Therefore, these descriptions should be considered to be illustrative rather than restrictive.

[0120] Although the present application has been described in conjunction with specific embodiments of the present application, many replacements, modifications and variations of these embodiments will be apparent to those skilled in the art from the foregoing description. For example, other memory architectures (e.g., dynamic RAM (DRAM)) may use the embodiments discussed.

[0121] The embodiments of the present application are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the embodiments of the present application should be included in the scope of protection of the present application.

Claims

1. A trailer light control method, characterized in that: The trailer is equipped with a display screen for displaying control light signals, and the method comprises: Obtain real-time communication records between the tractor and trailer, connection status between the display screen and the tractor, vehicle information of the tractor, and display screen information; Determining whether the display screen meets the opening condition according to the communication record between the tractor and the trailer and the connection status between the display screen and the tractor; In response to determining that the display screen meets the opening condition, determining display information of the display screen according to the vehicle information and the display screen information; According to the display information, the display screen is controlled to display the display information.

2. The method according to claim 1, characterized in that The determining whether the display screen meets the opening condition according to the communication record between the tractor and the trailer and the connection status between the display screen and the tractor includes: In response to the communication record between the tractor and the trailer being a record of no signal transmission and the connection state between the display screen and the tractor being a normal connection state, it is determined that the display screen meets the start-up condition.

3. The method according to claim 2, characterized in that The communication information between the tractor and trailer is a record of no signal transmission, including: In response to a fault in an electrical connection line between the tractor and the trailer, a fault in a headlight of the trailer, no electrical connection line of the trailer, or no headlight of the trailer, it is determined that the communication information between the tractor and the trailer is a record of no signal transmission.

4. The method according to claim 2, characterized in that: The connection state between the display screen and the tractor is a normal connection state, including: In response to successfully sending a self-test signal to the display screen and receiving a feedback signal from the display screen within a preset time, it is determined that the connection state between the display screen and the tractor is normal.

5. The method according to claim 1, characterized in that: The display information includes display content, the vehicle information includes control light information, and the display screen information includes display screen power; The step of determining the display information of the display screen according to the vehicle information and the display screen information includes: In response to receiving the control light information and the display screen power being greater than a first preset threshold, generating a display image and display text according to the control light information, and using the display image and the display text as the display content; In response to receiving the control light information and the display screen power being less than or equal to a first preset threshold, a display image or display text is generated according to the control light information, and the display image or the display text is used as the display content.

6. The method according to claim 1, characterized in that The vehicle information includes the current driving time of the vehicle, and the display screen information includes the display screen status; The step of determining the display information of the display screen according to the vehicle information and the display screen information includes: In response to the current driving time of the vehicle being in the night time period and the display screen being in the off state, a backlight lighting signal of the display screen is generated, and the backlight lighting signal of the display screen is used as display information of the display screen; In response to the current driving time of the vehicle being in the daytime period and the display screen being in the on state, a display screen closing signal is generated, and the display screen closing signal is used as display information of the display screen.

7. The method according to claim 1, characterized in that The display information also includes display brightness, the vehicle information includes brightness information of the environment in which the vehicle is located, and the display screen information includes display screen power; The step of determining the display information of the display screen according to the vehicle information and the display screen information includes: In response to the brightness information being greater than the preset brightness information and the power level of the display screen being greater than a first preset threshold, determining that the display brightness of the display screen is a first brightness; In response to the brightness information of the vehicle environment being greater than the preset brightness information and the power level of the display screen being less than or equal to a first preset threshold, the brightness of the display screen is determined to be a second brightness.

8. The method according to claim 1, characterized in that The method further comprises: Determining the remaining usage time of the display screen according to the power of the display screen and the power consumption of the display screen per minute; In response to the remaining usage time being less than a preset usage time threshold, a prompt message is generated.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the program, the method according to any one of claims 1 to 8 is implemented.

10. A vehicle, characterized in that: The vehicle comprises: an electronic device as claimed in claim 9.

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