Method, system, device and storage medium for detecting black screen of instrument

Abstract

The application discloses a kind of detecting instrument black screen method, system, equipment and storage medium, the method includes: in set time period, key operation is carried out, whether the liquid crystal display screen in automobile liquid crystal instrument appears black screen based on color sensor detection;When detecting that the liquid crystal display screen appears black screen, stop in current power cycle by relay;Based on current power cycle, black screen analysis is carried out to automobile liquid crystal instrument.In prior art, black screen detection is not carried out to automobile liquid crystal instrument in electronic control unit development stage, and the application detects whether the liquid crystal display screen in automobile liquid crystal instrument appears abnormal based on color sensor, to improve the accuracy of black screen detection, then when detecting that the liquid crystal display screen appears abnormal, stop in current power cycle by relay, finally, based on current power cycle, black screen analysis is carried out to automobile liquid crystal instrument, to ensure the effectiveness and stability of analysis and modification.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle detection, and in particular to a method, system and device for detecting black screen of an instrument panel and a storage medium. BACKGROUND

[0002] An automobile electronic instrument panel is an interactive interface between a person and an automobile, and displays the working condition of the automobile, and is an important automobile electronic device. After the automobile is started, whether the instrument panel can be normally started and whether the liquid crystal instrument screen can be normally displayed becomes particularly important. In the prior art, the liquid crystal instrument panel of the automobile is not detected for black screen during the development stage of an electronic control unit (ECU). Therefore, how to improve the accuracy of black screen detection while ensuring the effectiveness and stability of analysis and modification is a technical problem to be solved.

[0003] The above content is only used to assist in understanding the technical solutions of the present application and does not represent the acknowledgement of the above content as prior art. SUMMARY

[0004] The main purpose of the present application is to provide a method, system and device for detecting black screen of an instrument panel and a storage medium, which aims to solve the technical problem of how to improve the accuracy of black screen detection while ensuring the effectiveness and stability of analysis and modification.

[0005] To achieve the above purpose, the present application provides a method for detecting black screen of an instrument panel, which comprises:

[0006] performing a key operation within a set time period, and detecting whether a liquid crystal display screen in a liquid crystal instrument panel of an automobile appears black screen based on a color sensor;

[0007] stopping the current power cycle through a relay when it is detected that the liquid crystal display screen appears black screen;

[0008] performing black screen analysis on the liquid crystal instrument panel of the automobile based on the current power cycle.

[0009] Optionally, before the step of performing a key operation within a set time period and detecting whether a liquid crystal display screen in a liquid crystal instrument panel of an automobile appears black screen based on a color sensor, the method further comprises:

[0010] determining a sensor fixing area according to the liquid crystal display screen in the liquid crystal instrument panel of the automobile;

[0011] placing a color sensor based on the sensor fixing area.

[0012] Optionally, after the step of performing a key operation within a set time period and detecting whether a liquid crystal display screen in a liquid crystal instrument panel of an automobile appears black screen based on a color sensor, the method further comprises:

[0013] When it is detected that the liquid crystal display screen does not appear black screen, the control printed circuit board in the automobile liquid crystal instrument is operated by the relay at each time point to reset the key combination, so that the automobile liquid crystal instrument is restarted.

[0014] Optionally, the step of performing key operation within a set time period and detecting whether the liquid crystal display screen in the automobile liquid crystal instrument appears black screen based on the color sensor includes:

[0015] The key operation is performed within a set time period, and the RGB value corresponding to the liquid crystal display screen in the automobile liquid crystal instrument is obtained based on the color sensor;

[0016] Whether the liquid crystal display screen in the automobile liquid crystal instrument appears black screen is detected based on the RGB value.

[0017] Optionally, the step of stopping the current power cycle by the relay when it is detected that the liquid crystal display screen appears black screen includes:

[0018] When the RGB value is not within the preset calibration value range, it is determined that the liquid crystal display screen appears black screen;

[0019] After the liquid crystal display screen appears black screen, the automobile liquid crystal instrument is continuously powered by the control printed circuit board through the relay, and the automobile liquid crystal instrument is stopped at the current power cycle through the relay.

[0020] In addition, in order to achieve the above-mentioned purpose, the application further provides a system for detecting instrument black screen, which comprises:

[0021] A test module is configured to perform key operation within a set time period and detect whether the liquid crystal display screen in the automobile liquid crystal instrument appears black screen based on the color sensor;

[0022] A determination module is configured to stop the current power cycle by the relay when it is detected that the liquid crystal display screen appears black screen;

[0023] A detection module is configured to analyze the black screen of the automobile liquid crystal instrument based on the current power cycle.

[0024] Optionally, the determination module is further configured to restart the automobile liquid crystal instrument by performing key combination and reset operation of the control printed circuit board in the automobile liquid crystal instrument at each time point through the relay when it is detected that the liquid crystal display screen does not appear black screen.

[0025] Optionally, the determination module is further configured to perform key operation within a set time period and obtain the RGB value corresponding to the liquid crystal display screen in the automobile liquid crystal instrument based on the color sensor;

[0026] The determination module is further configured to detect whether the liquid crystal display screen in the automobile liquid crystal instrument appears black screen based on the RGB value.

[0027] In addition, to achieve the above object, the application further provides a device for detecting instrument black screen, which comprises a memory, a processor and a program for detecting instrument black screen stored in the memory and executable on the processor, and the program for detecting instrument black screen is configured to implement the steps of the method for detecting instrument black screen.

[0028] In addition, to achieve the above object, the application further provides a storage medium having a program for detecting instrument black screen stored thereon, and the program for detecting instrument black screen is executable on a processor to implement the steps of the method for detecting instrument black screen.

[0029] The application performs key operation in a set time period, first detects whether the liquid crystal display screen in the automobile liquid crystal instrument appears black screen based on the color sensor, then stops the current power cycle through the relay when detecting that the liquid crystal display screen appears black screen, and analyzes the black screen of the automobile liquid crystal instrument based on the current power cycle. In the prior art, the automobile liquid crystal instrument is not detected for black screen in the development stage of the electronic control unit, but the application detects whether the liquid crystal display screen in the automobile liquid crystal instrument appears abnormal based on the color sensor, thereby improving the accuracy of black screen detection. Then, the current power cycle is stopped through the relay when detecting that the liquid crystal display screen appears abnormal, and finally, the black screen of the automobile liquid crystal instrument is analyzed based on the current power cycle, thereby ensuring the effectiveness and stability of the analysis and modification. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic diagram of the device for detecting instrument black screen of the hardware running environment involved in the embodiment scheme of the application;

[0031] Figure 2 is a flowchart of the first embodiment of the method for detecting instrument black screen of the application;

[0032] Figure 3 is a test system schematic diagram of the first embodiment of the method for detecting instrument black screen of the application;

[0033] Figure 4 is a flowchart of the second embodiment of the method for detecting instrument black screen of the application;

[0034] Figure 5 is a structural block diagram of the first embodiment of the system for detecting instrument black screen of the application.

[0035] The implementation, functional features and advantages of the application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0036] It should be understood that the specific embodiments described herein are merely exemplary and do not limit the application.

[0037] Referring to Figure 1 , Figure 1 The device structure diagram of the detection instrument black screen device related to the hardware running environment of the embodiment of the application is shown.

[0038] As Figure 1 shown, the detection instrument black screen device can include a processor 1001, such as a central processing unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. The communication bus 1002 is used to realize the connection and communication between the components. The user interface 1003 can include a display screen, an input unit such as a keyboard, and an optional user interface 1003 can also include a standard wired interface, a wireless interface. The network interface 1004 can optionally include a standard wired interface, a wireless interface (such as a wireless fidelity (Wi-Fi) interface). The memory 1005 can be a high-speed random access memory (RAM), and can also be a stable non-volatile memory (NVM), such as a disk memory. The memory 1005 can also be an independent storage system from the aforementioned processor 1001.

[0039] Those skilled in the art can understand that Figure 1 the structure shown in the foregoing description does not constitute a limitation on the detection instrument black screen device, and can include more or fewer components than the diagram, or combine certain components, or different component arrangements.

[0040] As Figure 1 shown, the memory 1005 as a storage medium can include an operating system, a network communication module, a user interface module, and a detection instrument black screen program.

[0041] In Figure 1 the detection instrument black screen device, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 in the detection instrument black screen device of the application can be arranged in the detection instrument black screen device, and the detection instrument black screen device calls the detection instrument black screen program stored in the memory 1005 through the processor 1001, and executes the detection instrument black screen method provided by the embodiment of the application.

[0042] The embodiment of the present application provides a kind of detection instrument black screen method, refer to Figure 2 , Figure 2 It is the flowchart of the first embodiment of the present application detection instrument black screen method.

[0043] In the embodiment, the detection instrument black screen method includes the following steps:

[0044] Step S10: carry out key operation in set time period, whether the liquid crystal display screen in the liquid crystal instrument of automobile appears black screen is detected based on color sensor.

[0045] It is easy to understand that the execution subject of the embodiment can be the detection instrument black screen device with data processing, network communication and program running etc., can also be other similar functional computer equipment etc., the embodiment is not limited.

[0046] It should be noted that before carrying out key operation in set time period, whether the liquid crystal display screen in the liquid crystal instrument of automobile appears black screen is detected based on color sensor, sensor fixed area is determined according to the liquid crystal display screen in the liquid crystal instrument of automobile, and then color sensor is placed based on sensor fixed area.

[0047] In the embodiment, refer to Figure 3 , Figure 3 It is the test system schematic diagram of the first embodiment of the present application detection instrument black screen method, test system can automatically detect whether black screen appears or whether only 2D start 3D does not start successfully phenomenon (2D: fault indicator light etc.;3D: speed, power dial plate etc.) after instrument starts. Color sensor is GY33 color sensor, GY33 color sensor is placed in the fixed area of the liquid crystal display screen (TFT screen) of the liquid crystal instrument of automobile, and the display of instrument is monitored.

[0048] Further, the processing mode that carries out key operation in set time period, whether the liquid crystal display screen in the liquid crystal instrument of automobile appears black screen is detected based on color sensor is that carries out key operation in set time period, the RGB value corresponding to the liquid crystal display screen in the liquid crystal instrument of automobile is obtained based on color sensor, and whether the liquid crystal display screen in the liquid crystal instrument of automobile appears black screen is detected based on RGB value.

[0049] In the embodiment, the Control PCB board of instrument is connected to relay through Arduino, carries out the combination operation of key long press and short press in set time period, simultaneously uses GY33 color sensor to monitor the TFT screen of instrument, detects whether black screen and 3D does not start phenomenon appear.

[0050] Step S20: when detecting that the liquid crystal display screen appears black screen, stop in current power supply week through relay.

[0051] In a specific implementation, the GY33 color sensor judges as normal when the RGB value is within the set calibration value range, and judges as abnormal and records logs when the monitored RGB value is outside the set value, helping to analyze the problem.

[0052] Further, when detecting that the liquid crystal display screen appears black screen, the processing mode of stopping at the current power cycle through the relay is that when the RGB value is not within the preset calibration value range, it is determined that the liquid crystal display screen appears black screen, and after the liquid crystal display screen appears black screen, the relay is used to control the printed circuit board to continuously supply power to the automobile liquid crystal instrument, and the relay is used to make the automobile liquid crystal instrument stop at the current power cycle.

[0053] In this embodiment, Figure 3 The test system is composed of five parts: a convenient and flexible open source electronic prototype platform (Arduino) containing hardware (various models of Arduino boards) and software (Arduino IDE), which is used to control the GY33 color sensor and the relay module in this embodiment; PC is used to run the serial Uart software program, which can detect whether the instrument starts successfully, and can retain error log data for analysis if it fails to start; automobile liquid crystal instrument (MET), the liquid crystal display screen (Thin Film Transistor TFT) is used as the object of black screen test in this embodiment, and the instrument panel contains TFT liquid crystal display screen, instrument printed circuit board (Printed circuit boards PCB) and control PCB board for switching control in the test system schematic diagram; in this embodiment, the relay is controlled by the Arduino chip to control the Control PCB board, and then the instrument is operated by long pressing, short pressing and various timing points of power on and off; in this embodiment, the GY33 color sensor is placed in the fixed area of the instrument TFT screen to monitor the display of the instrument, and when the RGB value is within the set calibration value range, it is judged as normal, and when the monitored RGB value is outside the set value, it is judged as abnormal and logs are recorded to help analyze the problem; I2C bus is a simple, bidirectional two-wire synchronous serial bus. Through it, the Arduino can power and control the GY33 color sensor module; the relay is controlled by the Arduino using Analog IO, and when the GY33 color sensor module detects that the TFT is abnormal, the relay is notified to make the Control PCB continuously supply power to the instrument, so that the instrument remains at the current power cycle, which is convenient for further investigation of the problem.

[0054] Further, when detecting that the liquid crystal display screen does not appear black screen, the relay is used to perform key combination and reset operation at various timing points of the control printed circuit board in the automobile liquid crystal instrument, so as to restart the automobile liquid crystal instrument.

[0055] In a specific implementation, when the GY33 color sensor module detects that the TFT displays normally, the relay module is informed to perform key combination and reset operation at each time point on the Control PCB, and the instrument is restarted.

[0056] Step S30: black screen analysis is performed on the automotive liquid crystal instrument based on the current power cycle.

[0057] It can be understood that when the GY33 color sensor module detects that the TFT is abnormal, the relay is informed to allow the Control PCB to continuously supply power to the instrument, so that the instrument remains in the current power cycle, facilitating further investigation of the instrument system.

[0058] In a specific implementation, error log data can also be preserved by the PC for black screen analysis of the automotive liquid crystal instrument.

[0059] In this embodiment, key operation is performed within a set time period. First, whether the liquid crystal display screen of the automotive liquid crystal instrument appears black is detected based on the color sensor. Then, when it is detected that the liquid crystal display screen appears black, the relay is stopped at the current power cycle, and the automotive liquid crystal instrument is analyzed based on the current power cycle. In the prior art, the automotive liquid crystal instrument is not detected for black screen during the development stage of the electronic control unit. In this embodiment, whether the liquid crystal display screen of the automotive liquid crystal instrument appears abnormal is detected based on the color sensor, thereby improving the accuracy of black screen detection. Then, when it is detected that the liquid crystal display screen appears abnormal, the relay is stopped at the current power cycle. Finally, the automotive liquid crystal instrument is analyzed based on the current power cycle, thereby ensuring the effectiveness and stability of the analysis and modification.

[0060] Reference Figure 4 , Figure 4 This is a flowchart of a second embodiment of the method for detecting black screen of an instrument.

[0061] Based on the above first embodiment, in this embodiment, after step S30, it further includes:

[0062] Step S40: when it is detected that the liquid crystal display screen does not appear black, the relay is used to perform key combination and reset operation on the control printed circuit board at each time point in the automotive liquid crystal instrument, so as to restart the automotive liquid crystal instrument.

[0063] In a specific implementation, when the RGB value is within the preset calibration value range, it is determined that the liquid crystal display screen does not appear black. Then, the relay module is informed to perform key combination and reset operation at each time point on the Control PCB, and the instrument is restarted. This is repeated.

[0064] In the embodiment, when it is detected that the liquid crystal display does not appear black screen, the control printed circuit board in the automobile liquid crystal instrument is operated by the relay at each time point, and the automobile liquid crystal instrument is restarted. Through repeated tests, the stability and correctness of the device display can be ensured.

[0065] Referring to Figure 5 , Figure 5 The structure block diagram of the first embodiment of the system for detecting the black screen of the instrument is shown.

[0066] As Figure 5 shown, the system for detecting the black screen of the instrument includes:

[0067] The test module 5001 is configured to perform the key operation within a set time period, and detect whether the liquid crystal display in the automobile liquid crystal instrument appears black screen based on the color sensor.

[0068] It should be noted that before the key operation within the set time period and the detection of whether the liquid crystal display in the automobile liquid crystal instrument appears black screen based on the color sensor, the sensor fixing area is determined according to the liquid crystal display in the automobile liquid crystal instrument, and then the color sensor is placed based on the sensor fixing area.

[0069] In the embodiment, referring to Figure 3 , Figure 3 The test system schematic diagram of the first embodiment of the method for detecting the black screen of the instrument is shown. The test system can automatically detect whether the black screen appears or whether the phenomenon that only 2D is started and 3D is not started successfully appears (2D: fault indicator light, etc.; 3D: vehicle speed, power dial, etc.) after the instrument is started. The color sensor is a GY33 color sensor, and the GY33 color sensor is placed in the fixing area of the liquid crystal display (TFT screen) of the automobile liquid crystal instrument to monitor the display of the instrument.

[0070] Further, the processing manner of the key operation within the set time period and the detection of whether the liquid crystal display in the automobile liquid crystal instrument appears black screen based on the color sensor is that the RGB value corresponding to the liquid crystal display in the automobile liquid crystal instrument is obtained based on the color sensor within the set time period and the key operation, and whether the liquid crystal display in the automobile liquid crystal instrument appears black screen is detected based on the RGB value.

[0071] In the embodiment, the Control PCB board of the instrument is connected to the relay through Arduino, the combination operation of long pressing and short pressing of the keys is performed within the set time period, and the TFT screen of the instrument is monitored by using the GY33 color sensor to detect whether the black screen and the 3D non-start phenomenon appear.

[0072] A determination module 5002 is configured to stop the current power cycle of the automobile LCD instrument through the relay when it is detected that the LCD screen appears black.

[0073] In a specific implementation, the GY33 color sensor judges that the TFT is normal when the RGB value is within a preset calibration value range, and judges that the TFT is abnormal and records a log when the monitored RGB value is outside the preset value, which helps analyze the problem.

[0074] Further, when it is detected that the LCD screen appears black, the processing manner of stopping the current power cycle through the relay is that when the RGB value is not within the preset calibration value range, it is determined that the LCD screen appears black, and after the LCD screen appears black, the automobile LCD instrument is continuously powered through the Control PCB by the relay through the relay, and the automobile LCD instrument is stopped at the current power cycle through the relay.

[0075] In the embodiment, Figure 3 The test system is composed of five parts: an open source electronic prototype platform (Arduino) which is convenient and flexible and easy to use, including hardware (various models of Arduino boards) and software (Arduino IDE), which is used to control the GY33 color sensor and the relay module in the embodiment; a PC is used to run a serial Uart software program, which can detect whether the instrument is successfully started, and can retain error log data for analysis if the starting fails; an automobile LCD instrument (MET), in which the LCD screen (Thin Film Transistor TFT) is used as the object for black screen testing in the embodiment, and the instrument panel includes the TFT LCD screen, the instrument printed circuit board (PCB), and the Control PCB board for switching control in the test system schematic diagram; in the embodiment, the relay is controlled by the Arduino chip to control the Control PCB board, and then the instrument is operated by long pressing, short pressing, and power-on and power-off at various time points; in the embodiment, the GY33 color sensor is placed in the fixed area of the instrument TFT screen to monitor the display of the instrument, and when the RGB value is within the preset calibration value range, it is judged to be normal, and when the monitored RGB value is outside the preset value, it is judged to be abnormal and a log is recorded to help analyze the problem; the I2C bus is a simple, bidirectional two-wire synchronous serial bus. Through it, the Arduino can power and control the GY33 color sensor module; the Arduino uses Analog IO to control the relay, and when the GY33 color sensor module detects that the TFT is abnormal, the relay is notified to continuously power the instrument through the Control PCB, so that the instrument is retained at the current power cycle, which is convenient for further investigation of the problem.

[0076] Further, when detecting that the liquid crystal display screen does not appear black screen, the control printed circuit board in the automobile liquid crystal instrument is operated by the relay at each time point for key combination and reset operation, so that the automobile liquid crystal instrument is restarted.

[0077] In a specific implementation, when the GY33 color sensor module detects that the TFT normally displays, the relay module is informed to perform key combination and reset operation at each time point for the Control PCB, and the instrument is restarted.

[0078] The detection module 5003 is configured to perform black screen analysis on the automobile liquid crystal instrument based on the current power cycle.

[0079] It can be understood that when the GY33 color sensor module detects that the TFT is abnormal, the relay needs to be informed to allow the Control PCB to continuously supply power to the instrument, so that the instrument remains in the current power cycle, and further investigation is facilitated.

[0080] In a specific implementation, error log data can also be preserved by the PC for black screen analysis of the automobile liquid crystal instrument.

[0081] In the embodiment, the key operation is performed within a set time period, first, whether the liquid crystal display screen in the automobile liquid crystal instrument appears black screen is detected based on the color sensor, then when detecting that the liquid crystal display screen appears black screen, the current power cycle is stopped by the relay, and the automobile liquid crystal instrument is analyzed based on the current power cycle. In the prior art, the automobile liquid crystal instrument is not detected for black screen during the development stage of the electronic control unit. In the embodiment, whether the liquid crystal display screen in the automobile liquid crystal instrument appears abnormal is detected based on the color sensor, so that the accuracy of black screen detection is improved. Then, when detecting that the liquid crystal display screen appears abnormal, the current power cycle is stopped by the relay. Finally, the automobile liquid crystal instrument is analyzed based on the current power cycle, so that the effectiveness and stability of the modification after analysis are ensured.

[0082] Other embodiments or specific implementations of the system for detecting instrument black screen can refer to the above-mentioned method embodiments, which will not be described here.

[0083] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles, or systems that include a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles, or systems. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or system that includes the element.

[0084] The above-mentioned embodiment numbers of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments.

[0085] Through the above description of the embodiments, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be realized by means of software and the necessary general hardware platform, of course, they can also be realized by hardware, but in many cases the former is a better embodiment. Based on such understanding, the technical solutions of the present application can be embodied in the form of a software product, which is stored in a storage medium (such as a read-only memory / random access memory, a magnetic disk, an optical disk), and includes a plurality of instructions for making a terminal device (which can be a mobile phone, a computer, a server, or a network device, etc.) execute the methods described in various embodiments of the present application.

[0086] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent flow transformation made by using the content of the specification and drawings, or directly or indirectly applied to other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A method for detecting a black screen on an instrument, characterized in that, The method for detecting a black screen in an instrument panel includes the following steps: performing button operations within a set time period, and detecting whether the LCD screen in the car's LCD instrument panel is black based on a color sensor; When it is detected that the LCD screen is not black, the relay performs key combinations and reset operations at various times on the control printed circuit board of the car LCD instrument panel to restart the car LCD instrument panel. When a black screen is detected on the LCD screen, the power supply is stopped at the current cycle via a relay; when the RGB value is not within the preset calibration range, it is determined that the LCD screen is black. After the LCD screen goes black, the relay continuously supplies power to the automotive LCD instrument panel via the control printed circuit board, and the relay also stops the automotive LCD instrument panel from the current power cycle. A black screen analysis is performed on the automotive LCD instrument panel based on the current power cycle.

2. The method as described in claim 1, characterized in that, Before the step of performing button operations within a set time period and detecting whether the LCD screen in the car's LCD instrument panel is black based on the color sensor, the method further includes: determining the sensor fixed area based on the LCD screen in the car's LCD instrument panel. A color sensor is placed within a fixed area of ​​the sensor.

3. The method as described in claim 1, characterized in that, The step of performing button operations within a set time period and detecting whether the LCD screen in the car's LCD instrument panel is black based on a color sensor includes: performing button operations within a set time period and obtaining the corresponding RGB value of the LCD screen in the car's LCD instrument panel based on a color sensor. The system detects whether the LCD screen in the car's LCD instrument panel is black based on the RGB values.

4. A system for detecting a blackout of a detection instrument using the method described in any one of claims 1-3, characterized in that, The system for detecting black screen on an instrument panel includes: a testing module, used to perform button operations within a set time period to detect whether the LCD screen in the car's LCD instrument panel is black based on a color sensor; The determination module is used to stop the current power cycle via a relay when a black screen is detected on the LCD display. The detection module is used to perform black screen analysis on the automotive LCD instrument panel based on the current power cycle.

5. The system as described in claim 4, characterized in that, The determination module is also used to, when it is detected that the LCD screen is not black, perform key combinations and reset operations at various times on the control printed circuit board in the automotive LCD instrument panel through a relay, so as to restart the automotive LCD instrument panel.

6. The system as described in claim 4, characterized in that, The determination module is also used to perform button operations within a set time period and obtain the RGB value corresponding to the LCD screen in the car's LCD instrument panel based on the color sensor. The determination module is also used to detect whether the LCD screen in the car's LCD instrument panel is black based on the RGB value.

7. A device for detecting a black screen on an instrument, characterized in that, The device includes: a memory, a processor, and a program for a black screen detection instrument stored in the memory and executable on the processor, the program for a black screen detection instrument configured to implement the steps of the method for a black screen detection instrument as described in any one of claims 1 to 3.

8. A storage medium, characterized in that, The storage medium stores a program for a black screen on a detection instrument. When the program for a black screen on a detection instrument is executed by a processor, it implements the steps of the method for a black screen on a detection instrument as described in any one of claims 1 to 3.

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