Hot plug display method, system and equipment for display screen of vehicle machine

Abstract

The invention provides a hot plug display method, system and device for a vehicle machine display screen, and the method comprises the steps: obtaining a first display screen parameter based on a first display screen ID; monitoring power supply of the display screen in real time, and obtaining a power supply display change signal of the display screen; when the power supply display change signal of the display screen meets a preset change requirement, acquiring a second display screen ID; comparing the second display screen ID with the first display screen ID to obtain a display screen ID comparison result; and when the display screen ID comparison result does not meet the preset comparison requirement, dynamically updating the display screen parameter corresponding to the second display screen ID to the vehicle-mounted terminal system, and driving the display screen to display. The problem that in the prior art, due to the fact that screen parameters are not matched, when a vehicle machine display screen is replaced, the process of powering off and powering on needs to be initialized, and the hot plug display reliability of the display screen is poor is solved. According to the invention, dynamic adaptation of the screen is realized, and the reliability of hot plug display of the display screen is improved.

Description

Technical Field

[0001] The present invention relates to the field of networked vehicle computer systems and algorithms, and in particular to a method, system and device for hot-plugging a vehicle computer display screen. Background Art

[0002] Both the car system and the display screen follow the principle of platform development. To ensure the stability of the supply chain and prevent the risk of supply interruption, each key component will adopt a dual supplier strategy to ensure supply. However, during the process of testing and verifying adaptability, production line manufacturing and after-sales maintenance, when it is necessary to replace different models of screens, the screen parameters may not match, resulting in display abnormalities;

[0003] At present, the traditional practice is to first cut off the power and then power it back on again so that the vehicle system can be reinitialized and correctly identify the new screen parameters to restore normal display. This process is not only time-consuming, but also seriously affects the smooth operation of the production line. Therefore, the existing technology requires a power-off and power-on process to be initialized when replacing the vehicle display screen due to screen parameter mismatch, resulting in poor reliability of hot-swappable display of the display. Summary of the invention

[0004] In order to solve the above problems, the present invention proposes a method, system and device for hot-plugging display of a vehicle display screen, which realizes dynamic adaptation of the screen and improves the reliability of hot-plugging display of the display screen.

[0005] To achieve the above-mentioned purpose, an embodiment of the present invention provides a vehicle display screen hot-swap display method, comprising: obtaining a first display screen parameter based on a first display screen ID;

[0006] Monitor the power supply of the display screen in real time and obtain the display screen power supply display change signal;

[0007] When the display screen power supply display change signal meets the preset change requirement, obtaining the second display screen ID;

[0008] Compare the second display screen ID with the first display screen ID to obtain a display screen ID comparison result;

[0009] When the display screen ID comparison result does not meet the preset comparison requirement, the display screen parameters corresponding to the second display screen ID are dynamically updated to the vehicle computer system to drive the display screen display.

[0010] Furthermore, obtaining the first display screen parameters based on the first display screen ID includes:

[0011] Initialize the vehicle system and power on the display screen, and detect the disconnection status of the display screen;

[0012] If the disconnected state of the display screen is locked, detect the type of the display screen and obtain the first display screen ID;

[0013] If the disconnection state of the display screen is disconnected, the disconnection state of the display screen is re-detected based on a preset number of detections to obtain a first display screen ID.

[0014] Further, if the disconnected state of the display screen is locked, the display screen type is detected to obtain the first display screen ID, including:

[0015] If the disconnection state of the display screen is locked and the display screen type detection result is a result, based on the display screen type detection result, an ID corresponding to the display screen type is obtained as the first display screen ID;

[0016] If the display screen disconnection state is locked and the display screen type detection result is no result, the display screen ID of the last power-on cycle is used as the first display screen ID.

[0017] Further, if the disconnection state of the display screen is disconnected, based on a preset number of detections, re-detecting the disconnection state of the display screen to obtain the first display screen ID includes:

[0018] If the disconnection state of the display screen is disconnected, based on a preset number of detections, the disconnection state of the display screen is detected through a enrichment mechanism until the detection result shows that the disconnection state of the display screen is connected, and the display screen ID of the previous power-on cycle is used as the first display screen ID;

[0019] If the display disconnection state cannot be detected as connected within the preset first time interval, the display disconnection state is detected based on the preset delay interval until the detection result shows that the display disconnection state is connected, and the display ID of the previous power-on cycle is used as the first display ID.

[0020] Furthermore, the real-time monitoring of the display screen power supply and obtaining the display screen power supply display change signal includes:

[0021] Detect the power status of the vehicle, determine whether there is a power supply status change or whether it enters or exits the IPO state, and obtain a power supply change signal;

[0022] Determine whether the display screen needs to be lit up, and obtain a display screen display change signal;

[0023] Based on the power supply change signal and the display screen display change signal, a display screen power supply display change signal is acquired.

[0024] Further, when the display screen power supply display change signal meets the preset change requirement, obtaining the second display screen ID includes:

[0025] If there is a power supply status change or entering or exiting the IPO state, wait for the power supply status change to stabilize or during the IPO process, and obtain the second display screen ID;

[0026] If the display screen needs to be lit, the disconnection state of the display screen is detected, and based on the disconnection state of the display screen, the second display screen ID is obtained. The preset change requirements include: whether there is a power supply state change, whether the IPO state is entered or exited, or whether the display screen needs to be lit.

[0027] Further, if the display screen needs to be lit, detecting the disconnection state of the display screen, and obtaining the second display screen ID based on the disconnection state of the display screen includes:

[0028] If the display screen needs to be turned on and is in a disconnected state, a connection loss is recorded and the screen enters a dormant state, and the disconnected state of the display screen is re-acquired based on a preset second time interval;

[0029] If it is detected that the display screen is in a connected state, check whether there is a connection loss record, clear the connection loss record and obtain the second display screen ID.

[0030] Further, when the display screen ID comparison result does not meet the preset comparison requirement, the display screen parameters corresponding to the second display screen ID are dynamically updated to the vehicle system to drive the display screen to display, including:

[0031] If the second display screen ID is inconsistent with the first display screen ID, obtain the display screen parameters corresponding to the second display screen ID; wherein the preset comparison requirement is whether the second display screen ID is consistent with the first display screen ID;

[0032] Dynamically update the display screen parameters corresponding to the second display screen ID to the vehicle computer system to obtain a display screen drive signal;

[0033] Based on the display screen driving signal, the display screen is driven to perform display.

[0034] The embodiment of the present invention also provides a vehicle display screen hot-swap display system, comprising: a first data acquisition module, a signal monitoring module, a second data acquisition module, an information comparison module and a display screen driving module;

[0035] The first data acquisition module is used to acquire the first display screen parameters based on the first display screen ID;

[0036] The signal monitoring module is used to monitor the power supply of the display screen in real time and obtain the display screen power supply display change signal;

[0037] The second data acquisition module is used to acquire the second display screen ID when the display screen power supply display change signal meets the preset change requirement;

[0038] The information comparison module is used to compare the second display screen ID with the first display screen ID to obtain a display screen ID comparison result;

[0039] The display screen driving module is used to dynamically update the display screen parameters corresponding to the second display screen ID to the vehicle system to drive the display screen to display when the display screen ID comparison result does not meet the preset comparison requirements.

[0040] A hot-swappable display device for a vehicle display screen, characterized in that it includes: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the hot-swappable display method for a vehicle display screen when executing the computer program.

[0041] Beneficial effects:

[0042] (1) By real-time monitoring of the display screen power supply status and capturing change signals, the system can quickly identify the replacement of the display screen and dynamically adapt to different types of display screens, ensuring that the vehicle system can seamlessly connect to the newly connected display screen and complete parameter configuration without manual intervention, thereby improving system reliability;

[0043] (2) It avoids the time-consuming steps of power off and restart required in traditional display screen replacement. The system can instantly update the display screen parameters and drive its normal display, significantly reducing manual processing time and time costs. Through automated monitoring, comparison and update processes, the system realizes intelligent management of the display screen replacement process and improves the reliability of hot-swappable display of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 A schematic flow chart of the steps of a hot-swap display method for a vehicle display screen provided by a certain embodiment of the present invention;

[0045] Figure 2 A flow chart of the logic steps of vehicle display screen ID detection in a vehicle display screen hot plug display method provided by a certain embodiment of the present invention;

[0046] Figure 3 A flow chart of the communication logic steps of a vehicle display screen of a vehicle display screen hot plug display method provided by a certain embodiment of the present invention;

[0047] Figure 4 A schematic diagram of the module structure of a hot-swappable display system for a vehicle display screen provided in one embodiment of the present invention. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] Example 1

[0050] See also Figure 1 , Figure 1 A schematic flow chart of the steps of a hot-swap display method for a vehicle display screen provided by an embodiment of the present invention. Figure 1 As shown, the embodiment of the present invention provides a hot-swap display method for a vehicle display screen, including steps 101 to 105, each of which is specifically as follows:

[0051] Step 101, based on the first display screen ID, obtaining the first display screen parameters;

[0052] As an example of this embodiment, the vehicle system is initialized to be powered on, the display screen is powered on, and the disconnection state of the display screen is detected; if the disconnection state of the display screen is locked, the display screen type is detected and the first display screen ID is obtained; if the disconnection state of the display screen is disconnected, based on the preset number of detections, the disconnection state of the display screen is re-detected to obtain the first display screen ID. If the disconnection state of the display screen is locked and the display screen type detection result is a result, based on the display screen type detection result, the ID of the corresponding display screen type is obtained as the first display screen ID; if the disconnection state of the display screen is locked and the display screen type detection result is no result, the display screen ID of the previous power-on cycle is used as the first display screen ID. If the disconnection state of the display screen is disconnected, based on the preset number of detections, the disconnection state of the display screen is detected through the enrichment mechanism until the detection result is that the disconnection state of the display screen is connected, and the display screen ID of the previous power-on cycle is used as the first display screen ID; if the disconnection state of the display screen cannot be detected as connected within the preset first time interval, based on the preset delay interval, the disconnection state of the display screen is detected until the detection result is that the disconnection state of the display screen is connected, and the display screen ID of the previous power-on cycle is used as the first display screen ID. For a specific possible implementation method, see Figure 2 , Figure 2 A flow chart of the logic steps of detecting the ID of a vehicle display screen in a vehicle display screen hot plug display method provided by a certain embodiment of the present invention; Figure 2As shown, the vehicle is powered on and initialized. After the initialization is completed, the serial chip (ds941) that communicates with the display screen is powered on. After 500ms, the chip (ds941) completes the initialization state, and after 100ms, it starts to detect the disconnection status between the vehicle and the display screen. link lock, it detects that the disconnection state between the car computer and the display screen is lock, and it will detect whether the type of display screen can be detected, specifically by detecting whether 0x1a can be accessed. If the type of display screen is detected, the car computer will generate 81 frames for the screen and obtain the display screen ID (equivalent to the first display screen ID). The car computer enters the kernel, starts the kernel, and displays the image normally after powering on the display screen; if the type of display screen cannot be detected, the display screen ID (equivalent to the first display screen ID) obtained in the last power-on cycle will be defaulted to enter the kernel and start the kernel. If it is detected that the disconnection state between the car computer and the display screen is unlock, it will enter the retry mechanism and re-read 20 times (equivalent to the preset number of detections). If the lock state can be detected in 20 times, the display screen ID (equivalent to the first display screen ID) obtained in the last power-on cycle will be defaulted to enter the kernel and start the kernel; if the lock state cannot be obtained 20 times, it will delay 20ms (equivalent to the preset first time interval) to obtain the physical connection state with the display screen.

[0053] Step 102, monitor the power supply of the display screen in real time and obtain a display screen power supply display change signal;

[0054] As an example of this embodiment, the power status of the whole vehicle is detected to determine whether there is a change in the power supply status or whether it enters and exits the IPO state, and obtain a power supply change signal; determine whether the display screen needs to be lit, and obtain a display screen display change signal; based on the power supply change signal and the display screen display change signal, obtain the display screen power supply display change signal. In a specific implementation method, when different screens are replaced, the vehicle computer SoC will monitor the power supply status change of the screen. This usually involves a process of power supply-power off-power on, or is called entering and exiting the IPO (Initial Power-On) state. The SoC detects this change in power supply status through an internal power management module or related sensors. Among them, the display screen power supply display change signal includes: power supply-power off-power supply process or entering and exiting the IPO (initial power on) state.

[0055] Step 103, when the display screen power supply display change signal meets the preset change requirement, obtain the second display screen ID;

[0056] As an example of this embodiment, if there is a change in power status or entering or exiting the IPO state, wait for the power status change to stabilize or during the IPO process, and obtain the ID of the second display screen; if the display screen needs to be lit, detect the disconnection state of the display screen, and obtain the ID of the second display screen based on the disconnection state of the display screen. Among them, the preset change requirements include: whether there is a change in power status, whether entering or exiting the IPO state, or whether the display screen needs to be lit. If the display screen needs to be lit and the display screen is in a disconnected state, record a connection loss and enter a dormant state, and re-acquire the disconnection state of the display screen based on a preset second time interval; if the display screen is detected to be in a connected state, check whether there is a connection loss record, clear the connection loss record and obtain the ID of the second display screen. For details, see Figure 3 , Figure 3 A flow chart of the communication logic steps of a vehicle display screen of a vehicle display screen hot plug display method provided by a certain embodiment of the present invention; Figure 3 As shown, detect the power status of the whole vehicle and determine whether the display screen needs to be lit; if the display screen needs to be lit, start the Hwcheck thread and start detecting the physical connection status lock between the vehicle computer and the display screen; set the default vehicle computer and the display screen to be disconnected; if the disconnection status between the vehicle computer and the display screen is detected to be unlock, record the lock loss, go into sleep mode, and re-read the disconnection status between the vehicle computer and the display screen after 1s (equivalent to the preset second time interval); if the disconnection status between the vehicle computer and the display screen is detected to be lock, check whether there is a lock loss record. If so, clear the record and re-acquire the display screen ID (equivalent to the second display screen ID).

[0057] A specific explanation is that during the IPO process or after the power supply status is stable, the car SoC will actively try to obtain the ID information of the display screen, which is usually achieved through the EEPROM (electrically erasable programmable read-only memory) or other storage units inside the display screen.

[0058] Step 104, comparing the second display screen ID with the first display screen ID to obtain a display screen ID comparison result;

[0059] As an example of this embodiment, the display screen ID contains key information such as the screen model, size, resolution, etc., and is an important basis for the vehicle system to identify and configure the screen. Once the SoC obtains a new display screen ID (equivalent to the second display screen ID) and finds that it is different from the previously stored ID (equivalent to the first display screen ID), the vehicle system will trigger the call of the display framework. The display framework will search for corresponding screen parameters (such as brightness, contrast, color correction, etc.) from the vehicle system's database or remote server based on the new display screen ID.

[0060] Step 105, when the display screen ID comparison result does not meet the preset comparison requirement, the display screen parameters corresponding to the second display screen ID are dynamically updated to the vehicle system to drive the display screen display.

[0061] As an example of this embodiment, if the second display screen ID is inconsistent with the first display screen ID, the display screen parameters corresponding to the second display screen ID are obtained; wherein, the preset comparison requirement is whether the second display screen ID is consistent with the first display screen ID; the display screen parameters corresponding to the second display screen ID are dynamically updated to the vehicle system, and the display screen drive signal is obtained; based on the display screen drive signal, the display screen is driven to display. A specific implementation method is that if the currently obtained ID (equivalent to the second display screen ID) is compared with the ID obtained last time (equivalent to the first display screen ID), if the IDs are consistent, it is considered that the display screen has not been replaced, and the vehicle enters sleep mode for 1s (equivalent to the preset second time interval) and then re-reads the disconnection status between the vehicle and the display screen; if the IDs are inconsistent, the display screen has been replaced, and the vehicle enters sleep mode again after re-updating the screen parameters; if the disconnection status between the vehicle and the display screen is detected as lock, check whether there is a lock loss record. If there is no lock loss record, it is considered that the screen has not been hot-swapped and the vehicle enters sleep mode directly.

[0062] A method for hot-plugging a vehicle display screen proposed in an embodiment of the present invention monitors the power supply status of the display screen in real time and captures change signals. The system can quickly identify the replacement of the display screen and realize dynamic adaptation of display screens of different models, thereby ensuring that the vehicle system can seamlessly connect to the newly connected display screen and complete parameter configuration without manual intervention, thereby improving the reliability of the system. The method avoids time-consuming steps such as power off and restart required for traditional replacement of the display screen. The system can instantly update the display screen parameters and drive it to display normally, thereby significantly reducing manual processing time and time costs. Through automated monitoring, comparison and update processes, the system realizes intelligent management of the display screen replacement process and improves the reliability of hot-plugging the display screen.

[0063] Example 2

[0064] See also Figure 4 , Figure 4 A schematic diagram of the module structure of a hot-swappable display system for a vehicle display screen provided by a certain embodiment of the present invention. Figure 4 As shown, an embodiment of the present invention provides a hot-swappable display system for a vehicle display screen, comprising:

[0065] A first data acquisition module 401, a signal monitoring module 402, a second data acquisition module 403, an information comparison module 404 and a display screen driving module 405;

[0066] The first data acquisition module 401 is used to acquire first display screen parameters based on the first display screen ID;

[0067] The signal monitoring module 402 is used to monitor the power supply of the display screen in real time and obtain the display screen power supply display change signal;

[0068] The second data acquisition module 403 is used to acquire the second display screen ID when the display screen power supply display change signal meets the preset change requirement;

[0069] The information comparison module 404 is used to compare the second display screen ID with the first display screen ID to obtain a display screen ID comparison result;

[0070] The display screen driving module 405 is used to dynamically update the display screen parameters corresponding to the second display screen ID to the vehicle system to drive the display screen to display when the display screen ID comparison result does not meet the preset comparison requirement.

[0071] An embodiment of the present invention proposes a hot-swappable display system for a vehicle display screen. The system monitors the power supply status of the display screen in real time and captures its change signals. It can instantly identify the replacement of the display screen and realize dynamic matching and adaptation of various types of display screens. This mechanism ensures that the vehicle system can achieve seamless connection with the newly connected display screen. The entire process does not require manual configuration of parameters, thereby enhancing the stability and reliability of the system.

[0072] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

[0073] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0074] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

Claims

1. A hot-swap display method for a vehicle display screen, characterized in that: include: Based on the first display screen ID, obtaining first display screen parameters; Monitor the power supply of the display screen in real time and obtain the display screen power supply display change signal; When the display screen power supply display change signal meets the preset change requirement, obtaining the second display screen ID; Compare the second display screen ID with the first display screen ID to obtain a display screen ID comparison result; When the display screen ID comparison result does not meet the preset comparison requirement, the display screen parameters corresponding to the second display screen ID are dynamically updated to the vehicle computer system to drive the display screen display.

2. A hot-swap display method for a vehicle display screen as claimed in claim 1, characterized in that: The acquiring the first display screen parameter based on the first display screen ID includes: Initialize the vehicle system and power on the display screen, and detect the disconnection status of the display screen; If the disconnected state of the display screen is locked, detect the type of the display screen and obtain the first display screen ID; If the disconnection state of the display screen is disconnected, the disconnection state of the display screen is re-detected based on a preset number of detections to obtain a first display screen ID.

3. A hot-swap display method for a vehicle display screen as claimed in claim 2, characterized in that: If the disconnected state of the display screen is locked, detecting the type of the display screen and obtaining the first display screen ID includes: If the disconnection state of the display screen is locked and the display screen type detection result is a result, based on the display screen type detection result, an ID corresponding to the display screen type is obtained as the first display screen ID; If the display screen disconnection state is locked and the display screen type detection result is no result, the display screen ID of the last power-on cycle is used as the first display screen ID.

4. A vehicle display screen hot-swap display method as claimed in claim 2, characterized in that: If the disconnected state of the display screen is disconnected, re-detecting the disconnected state of the display screen based on a preset number of detections to obtain the first display screen ID includes: If the disconnection state of the display screen is disconnected, based on a preset number of detections, the disconnection state of the display screen is detected through a enrichment mechanism until the detection result shows that the disconnection state of the display screen is connected, and the display screen ID of the previous power-on cycle is used as the first display screen ID; If the display disconnection state cannot be detected as connected within the preset first time interval, the display disconnection state is detected based on the preset delay interval until the detection result shows that the display disconnection state is connected, and the display ID of the previous power-on cycle is used as the first display ID.

5. The hot-swap display method for a vehicle display screen as claimed in claim 1, characterized in that: The real-time monitoring of the display screen power supply and obtaining the display screen power supply display change signal includes: Detect the power status of the vehicle, determine whether there is a power supply status change or whether it enters or exits the IPO state, and obtain a power supply change signal; Determine whether the display screen needs to be lit up, and obtain a display screen display change signal; Based on the power supply change signal and the display screen display change signal, a display screen power supply display change signal is acquired.

6. The hot-swap display method for a vehicle display screen as claimed in claim 1, characterized in that: When the display screen power supply display change signal meets the preset change requirement, obtaining the second display screen ID includes: If there is a power supply status change or entering or exiting the IPO state, wait for the power supply status change to stabilize or during the IPO process, and obtain the second display screen ID; If the display screen needs to be lit, the disconnection state of the display screen is detected, and based on the disconnection state of the display screen, the second display screen ID is obtained; wherein the preset change requirements include: whether there is a power supply state change, whether to enter or exit the IPO state, or whether the display screen needs to be lit.

7. A vehicle display screen hot-swap display method as claimed in claim 6, characterized in that: If the display screen needs to be lit up, detecting the disconnection state of the display screen, and obtaining the second display screen ID based on the disconnection state of the display screen, includes: If the display screen needs to be turned on and is in a disconnected state, a connection loss is recorded and the screen enters a dormant state, and the disconnected state of the display screen is re-acquired based on a preset second time interval; If it is detected that the display screen is in a connected state, check whether there is a connection loss record, clear the connection loss record and obtain the second display screen ID.

8. The hot-swap display method for a vehicle display screen as claimed in claim 1, characterized in that: When the display screen ID comparison result does not meet the preset comparison requirement, the display screen parameters corresponding to the second display screen ID are dynamically updated to the vehicle computer system to drive the display screen to display, including: If the second display screen ID is inconsistent with the first display screen ID, obtain the display screen parameters corresponding to the second display screen ID; wherein the preset comparison requirement is whether the second display screen ID is consistent with the first display screen ID; Dynamically update the display screen parameters corresponding to the second display screen ID to the vehicle computer system to obtain a display screen drive signal; Based on the display screen driving signal, the display screen is driven to perform display.

9. A hot-swappable display system for a vehicle display screen, characterized in that: Executing a vehicle display screen hot-swap display method as claimed in any one of claims 1 to 8, comprising: A first data acquisition module, a signal monitoring module, a second data acquisition module, an information comparison module and a display screen driving module; The first data acquisition module is used to acquire the first display screen parameters based on the first display screen ID; The signal monitoring module is used to monitor the power supply of the display screen in real time and obtain the display screen power supply display change signal; The second data acquisition module is used to acquire the second display screen ID when the display screen power supply display change signal meets the preset change requirement; The information comparison module is used to compare the second display screen ID with the first display screen ID to obtain a display screen ID comparison result; The display screen driving module is used to dynamically update the display screen parameters corresponding to the second display screen ID to the vehicle system to drive the display screen to display when the display screen ID comparison result does not meet the preset comparison requirements.

10. A hot-swappable display device for a vehicle display screen, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the computer program, a method for hot-swappable display of a vehicle display screen as described in claims 1 to 8 is implemented.

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