Gridding display screen

Abstract

The invention relates to the technical field of intelligent display control, in particular to a gridding display screen which comprises a gridding display screen imaging assembly, an LED device, a light plate and a gridding display screen monitoring module connected with the gridding display screen imaging assembly and used for monitoring faults of the gridding display screen. And the control module is used for judging an automatic fault maintenance possibility according to the fault reason set when the gridding display screen imaging assembly is a double-gridding display screen imaging assembly, and controlling the gridding display screen to carry out automatic fault maintenance according to the fault position set when the automatic fault maintenance possibility exists. Intelligent control and automatic switching of the LED lamp beads are achieved through intelligent control, the fault detection and maintenance efficiency of the display screen is improved, and stable operation and display effect stability of the display screen are ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent display control, and in particular to a grid display screen. Background Art

[0002] LED technology mainly uses small-sized lamp beads, which are soldered on PCBs through SMD technology. Relying on the imaging principle of lamp bead light, LED display screens have the characteristics of high brightness, bright colors and wide application. However, in order to increase the brightness of the non-luminous areas between the lamp beads, the LED display screen increases the brightness of the lamp beads themselves and the surrounding brightness. This causes the light to be too glaring, making it difficult for observers to watch for a long time, and the blue light damage to the human eye is particularly large. In addition, since there is no light between the lamp beads, from the observer's point of view, the brightness of the lamp bead position and the non-luminous position is extremely uneven. Therefore, the contrast and grayscale at this time are not clearly layered, and the effect is not good for the transition color picture.

[0003] Chinese Patent Publication No.: CN114278898B discloses an LED lamp and an LED system that automatically switches to a backup lamp after a power outage. An LED lamp includes a shell and a main light board. A mounting block is provided in the shell. The mounting block has a receiving groove for receiving the main light board. The mounting block is slidably provided with a clamping plate located in the receiving groove. The clamping plate is used to fix the main light board in the receiving groove. A driving component for driving the clamping plate to move is provided in the shell. This solution cannot accurately identify the fault location and lacks monitoring and management functions, thereby failing to achieve the problem of intelligent control and automatic switching of LED lamp beads. Summary of the invention

[0004] To this end, the present invention provides a grid display screen to overcome the problem in the prior art that the fault location cannot be accurately identified, the monitoring and management functions are lacking, and thus the intelligent control and automatic switching of LED lamp beads cannot be achieved.

[0005] To achieve the above object, the present invention provides a grid display screen, the grid display screen comprising: A grid display screen imaging component connected to the light panel for projecting imaging; The LED device is located in the grid display screen imaging assembly and connected to the substrate, and is composed of a first light source and a second light source, and is used to generate light; A light plate connected to the grid display screen imaging assembly and used to fix the grid display screen imaging assembly; A grid display screen monitoring module, which is connected to the grid display screen imaging component, is used to monitor the faults of the grid display screen, obtain monitoring results, and intelligently control the grid display screen imaging component according to the monitoring results; The LED device includes a single LED light source form and a dual LED light source form. When the LED device is in a dual LED light source form, the gridded display screen imaging component is a dual gridded display screen imaging component. When the LED device is in a single LED light source form, the gridded display screen imaging component is a single gridded display screen imaging component.

[0006] Furthermore, the dual-grid display screen imaging assembly includes: A spherical mask, the bottom of which is bonded to the surface of the substrate for optical imaging; The elastic sheet has one end connected to the spherical mask by glue with high bonding strength and temperature resistance, and the other end connected to the second iron core on the LED light source by a card slot buckle, which is used to complete the pulling action of replacing the LED device; The first slot is internally connected to the electric pulse interface and externally connected to the optical board for transmitting signals and connecting the circuits; A first iron core connected to the substrate and used to interact with the electromagnetic coil to complete the pulling action of replacing the LED device; The electromagnetic coil is connected to the LED light source and is used to interact with the first iron core, the second iron core and the third iron core to automatically insert and remove the main LED device, compress the elastic sheet and pull the light bar; The second slot is connected to the electric pulse interface inside and to the optical board outside for transmitting signals and connecting the circuit; A second iron core, which is connected to the LED light source by welding and is used to interact with the electromagnetic coil of the main LED device to compress the elastic sheet; A first electrical pulse interface, which is connected to the LED light source and is used to insert the main LED device into the substrate; An LED light source is connected to the substrate via a first electrical pulse interface and a second electrical pulse interface, and is used to generate a light source; A box space connected to an LED light source for imaging the surface on the spherical mask; A second electrical pulse interface, which is connected to the LED light source and is used to insert the main LED device into the substrate; a third iron core connected to the LED backup light source by welding and used to interact with the electromagnetic coil of the main LED device to compress the light strip; A backup pulse interface, which is connected to the LED backup light source and is used to insert the backup LED device into the substrate; An LED backup light source, which is connected to the main LED device through a light bar and is used for replacement when the LED light source fails; A spare square frame space, which is connected to an LED spare light source and is used for imaging the spare surface on the spherical mask; A second backup pulse interface, which is connected to the LED backup light source and is used to insert the backup LED device into the substrate; A main LED device, one end of which is close to the second iron core and connected to the elastic sheet, the other end of which is connected to the light bar, one end of which is close to the first electric pulse interface and connected to the first slot, and one end of which is close to the second electric pulse interface and connected to the second slot, for generating a light source; A spare LED device, one end of which is close to the third core and is connected to the main LED device, and is used for replacement when the main LED device fails; A base plate connected to the spherical mask for power supply; The light bar has elastic and stretchable properties and is connected to the backup LED device so that when the main LED device is damaged, the backup LED device can be pulled out for replacement; The standby electromagnetic coil is connected to the LED standby light source and is used to act with the third iron core to complete the automatic insertion action of the standby LED device.

[0007] Furthermore, the single grid display screen imaging assembly comprises: A spherical mask, the bottom of which is bonded to the surface of the substrate for optical imaging; The first slot is internally connected to the third electrical pulse interface and externally connected to the optical board for transmitting signals and connecting the circuit; The second slot is internally connected to the fourth electrical pulse interface and externally connected to the optical board for transmitting signals and connecting the circuits; A base plate connected to the spherical mask for power supply; A third electrical pulse interface, which is connected to a single LED light source and is used to insert a single LED device into the substrate; A single LED light source, wherein R1 and R2 are used to control the intensity of red, G1 and G2 are used to control the intensity of green, B1 and B2 are used to control the intensity of blue, and are connected to the substrate through the third electric pulse interface and the third electric pulse interface through the Euclidean distance to generate a light source; A box space connected to a single LED light source for imaging the surface on the spherical mask; A fourth electrical pulse interface, which is connected to a single LED light source and is used to insert a single LED device into the substrate; A single LED device is disposed on a substrate for generating light.

[0008] Furthermore, the grid display screen monitoring module includes: A data acquisition unit is used to collect the voltage, brightness and color signals of each pixel point in real time; A grid display screen monitoring unit is used to monitor the current and voltage state of each pixel point according to the voltage of each pixel point to obtain a first fault position, and is also used to monitor the luminous state of each pixel point according to the brightness of each pixel point to obtain a second fault position, and is also used to calculate the RGB color space distance according to the color signal of each pixel point, and monitor the color accuracy of the pixel point according to the RGB color space distance to obtain a third fault position, and is also used to optimize the monitoring process of the color accuracy of the pixel point according to the accuracy of the display screen, and output the first fault position, the second fault position and the third fault position as a fault position set; A grid display screen management unit, for managing the current and voltage states of each pixel according to the brightness of the faulty pixel and the change value of the driving signal waveform of the faulty adjacent pixel, to obtain a first fault cause, and for managing the luminous state of each pixel according to the pixel appearance state coefficient and the connection line firmness coefficient, to obtain a second fault cause, and for managing the color accuracy of each pixel according to the color output setting change value of the signal source, the current color calibration data change value and the display screen color adjustment parameter change value, to obtain a third fault cause, and outputting the first fault cause, the second fault cause and the third fault cause as a fault cause set; A grid display control unit, for judging the possibility of automatic fault repair according to the fault cause set when the grid display imaging assembly is a dual grid display imaging assembly, and for controlling the grid display to perform automatic fault repair according to the fault location set when there is a possibility of automatic fault repair; A grid display screen alarm unit, used for pushing the fault location set and the fault cause set to a user for alarm when the grid display screen imaging component is a single grid display screen imaging component, and also for pushing the fault location set and the fault cause set to a user for alarm when the grid display screen imaging component is a dual grid display screen imaging component and there is no possibility of automatic fault repair; The grid display screen control verification unit is used to verify the accuracy of automatic fault repair according to the light intensity change value, the actual playback content screen brightness and the external environment light intensity, and adjust the automatic fault repair process according to the automatic fault repair accuracy.

[0009] Furthermore, the grid display screen monitoring unit compares the voltage U of each pixel with each preset voltage, and judges the current and voltage state of each pixel according to the comparison result, and outputs the first fault position according to the judgment result; The grid display screen monitoring unit compares each pixel brightness coefficient L with each preset luminous brightness coefficient Lb, and judges the luminous condition of each pixel point according to the comparison result, and outputs the second fault position according to the judgment result.

[0010] Furthermore, the grid display screen monitoring unit calculates the difference between the color signals R1, G1 and B1 of each pixel and the preset color signals R2, G2 and B2 for each channel of the RGB color space, and sets The distance d in RGB color space is calculated by the formula, and the setting , comparing the RGB color space distance d with the preset RGB color space distance d0, judging the color accuracy of each pixel according to the comparison result, and outputting the third fault position according to the judgment result; The grid display screen monitoring unit outputs the first fault position, the second fault position and the third fault position as a fault position set.

[0011] Further, when managing the current and voltage states of the pixels, the grid display screen management unit calculates the waveform change value P of the driving signal of the faulty adjacent pixel through the amplitude f, the frequency F, and the duty cycle K, and sets P=α1×f+α2×F+α3×K, wherein α1, α2, and α3 are weight coefficients of each factor, and α1+α2+α3=1, and compares the waveform change value P of the driving signal of the faulty adjacent pixel with each preset waveform change value P0 of the driving signal of the faulty adjacent pixel, and judges the current and voltage states of the pixels according to the comparison result, and outputs the first fault cause according to the judgment result; When managing the luminous state of each pixel, the grid display screen management unit calculates the pixel appearance state coefficient A through the deformation coefficient H1, the damage coefficient H2 and the looseness coefficient H3, and sets A=β1×H1+β2×H2+β3×H3, wherein β1, β2 and β3 are weight parameters of each coefficient, and β1+β2+β3=1, compares the pixel appearance state coefficient A with the preset pixel appearance state coefficient A0, judges the luminous state of each pixel according to the comparison result, and outputs the second fault cause according to the judgment result; When managing the luminous state of each pixel, the grid display screen management unit compares the color output setting change value J of the signal source with the preset signal source color output setting change value J0, and judges the color accuracy of each pixel according to the comparison result, and outputs the third fault cause according to the judgment result; The first fault cause, the second fault cause and the third fault cause are output as a fault cause set.

[0012] Furthermore, when the grid display screen imaging component is a dual grid display screen imaging component, the grid display screen control unit determines the possibility of automatic fault repair according to the fault cause set, and repairs the fault according to the determination result, wherein: When there is a possibility of automatic fault repair, controlling the grid display screen to perform automatic fault repair according to the fault location set; When there is no possibility of automatic fault repair, the fault location set controls the grid display screen not to perform automatic fault repair.

[0013] Furthermore, when the grid display screen imaging component is a single grid display screen imaging component, the grid display screen alarm unit pushes the fault location set and the fault cause set to the user through an alarm to warn; When the grid display screen imaging component is a dual grid display screen imaging component and there is no possibility of automatic fault repair, the grid display screen alarm unit pushes the fault location set and the fault cause set to the user through an alarm for alarm.

[0014] Furthermore, when verifying the accuracy of automatic fault repair, the grid display screen control verification unit compares the light intensity change value L1 with the preset standard light intensity change value L01, judges the accuracy of automatic fault repair according to the comparison result, and adjusts the automatic fault repair process according to the judgment result.

[0015] Compared with the prior art, the beneficial effects of the present invention are that the grid display monitoring module collects data of each pixel point in real time through the data acquisition unit, timely discovers and locates potential faults of the display screen, thereby improving the maintenance efficiency and stability of the display screen, the grid display monitoring module monitors the faults of the display screen collected through the grid display monitoring unit, the grid display monitoring module manages the current and voltage state, luminous state and color accuracy of the pixel point through the grid display management unit, so as to reduce the misjudgment rate, thereby improving the maintenance efficiency, and the grid display monitoring module judges the possibility of automatic fault repair through the grid display control unit. When conditions are met, the display screen is controlled to perform automatic maintenance, so as to improve the intelligent control level of the system and the intelligent control efficiency of the display screen, thereby reducing the cost of manual intervention. The grid display screen monitoring module promptly pushes the fault location and fault cause to the user when the fault cannot be automatically repaired through the grid display screen alarm unit, so that the user can promptly discover the fault condition of the display screen, improve the availability of the system, and enhance user satisfaction. The grid display screen monitoring module verifies the maintenance accuracy through the grid display screen control verification unit, and adjusts the maintenance process according to the verification result to ensure the reliability of the maintenance quality, thereby improving the maintenance efficiency and performance stability of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the grid display screen of this embodiment; Figure 2 This is a schematic diagram of the structure of the dual-grid display screen imaging assembly of this embodiment; Figure 3 This is a schematic diagram of the structure of a single grid display screen imaging assembly of this embodiment; Figure 4 Schematic diagram of the structure of the grid display screen monitoring module of this embodiment. DETAILED DESCRIPTION

[0017] In order to make the objects and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0018] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0019] See also Figure 1 As shown, it is a schematic diagram of the structure of the grid display screen of this embodiment, and the grid display screen includes: A grid display screen imaging assembly 100, which is connected to the light panel 23 and is used for projecting imaging; LED device 178, which is located in the grid display screen imaging assembly 100 and is used to generate light source; The light plate 23 is connected to the grid display screen imaging assembly 100 and is used to fix the grid display screen imaging assembly 100; The grid display screen monitoring module 19 is connected to the grid display screen imaging component and is used to monitor the faults of the grid display screen, obtain monitoring results, and intelligently control the grid display screen imaging component according to the monitoring results.

[0020] Specifically, this embodiment does not limit the connection method between the grid display screen monitoring module and the grid display screen, for example, the connection can be through a network interface.

[0021] Specifically, the LED device 178 includes a single LED light source form and a dual LED light source form. When the LED device 178 is in a dual LED light source form, the gridded display screen imaging component 100 is a dual gridded display screen imaging component. When the LED device 178 is in a single LED light source form, the gridded display screen imaging component 100 is a single gridded display screen imaging component.

[0022] See also Figure 2 As shown, it is a schematic diagram of the structure of the dual-grid display screen imaging component of this embodiment, and the dual-grid display screen imaging component includes: The spherical mask 1, whose bottom is bonded to the surface of the substrate 20, is used for optical imaging; The elastic sheet 2, one end of which is connected to the spherical mask 1 by glue with high bonding strength and temperature resistance, and the other end of which is connected to the second iron core 7 on the LED light source 9 by a card slot buckle form, is used to complete the pulling action of replacing the LED device 178; The first slot 3 is internally connected to the electric pulse interface 8 and externally connected to the optical board 23 for transmitting signals and connecting the circuit; A first iron core 4 , which is connected to the substrate 20 and is used to interact with the electromagnetic coil 5 to complete the pulling action of replacing the LED device 178 ; The electromagnetic coil 5 is connected to the LED light source 9 and is used to interact with the first iron core 4, the second iron core 7 and the third iron core 12 to automatically insert and remove the main LED device 17, compress the elastic sheet and pull the light bar; The second slot 6 is connected to the electric pulse interface 11 inside and to the optical board 23 outside for transmitting signals and connecting the circuit; A second iron core 7, which is connected to the LED light source 9 by welding and is used to interact with the electromagnetic coil 5 of the main LED device 17 to compress the elastic sheet; A first electrical pulse interface 8, which is connected to the LED light source 9 and is used to insert the main LED device 17 into the substrate 20; LED light source 9, which is connected to substrate 20 via first electric pulse interface 8 and second electric pulse interface 11, for generating light source; A frame space 10, which is connected to the LED light source 9 and is used to image the surface on the spherical mask 1; A second electrical pulse interface 11, which is connected to the LED light source 9 and is used to insert the main LED device 17 into the substrate 20; The third iron core 12 is connected to the LED backup light source 14 by welding, and is used to interact with the electromagnetic coil 5 of the main LED device 17 to compress the light bar 21; A backup pulse interface 13, which is connected to the LED backup light source 14 and is used to insert the backup LED device 18 into the substrate 20; The LED backup light source 14 is connected to the main LED device 17 via a light bar 21 and is used to replace the LED light source 9 when it fails; A spare frame space 15, which is connected to the LED spare light source 14 and is used for imaging the surface of the spherical mask 1; A second backup pulse interface 16, which is connected to the LED backup light source 14 and is used to insert the backup LED device 18 into the substrate 20; The main LED device 17, one end of which is close to the second iron core 7 is connected to the elastic sheet 2, the other end is connected to the light bar 21, one end of which is close to the first electric pulse interface 8 is connected to the first slot 3, and one end of which is close to the second electric pulse interface 11 is connected to the second slot 6, is used to generate a light source; A spare LED device 18, one end of which is close to the third core 12 and is connected to the main LED device 17, and is used for replacement when the main LED device 17 fails; A base plate 20 connected to the spherical mask 1 for power supply; The light bar 21 has elastic and stretchable properties and is connected to the backup LED device 18 so that when the main LED device 17 is damaged, the backup LED device 18 can be pulled out for replacement; The standby electromagnetic coil 22 is connected to the LED standby light source 14 and is used to interact with the third iron core 12 to complete the automatic insertion of the standby LED device 18 .

[0023] A grid display screen imaging component is composed of a spherical mask 1, an elastic sheet 2, a first slot 3, a first iron core 4, an electromagnetic coil 5, a second slot 6, a second iron core 7, a first electric pulse interface 8, an LED light source 9, a frame space 10, a second electric pulse interface 11, a third iron core 12, a spare electric pulse interface 13, an LED spare light source 14, a spare frame space 15, a second spare electric pulse interface 16, a substrate 20, a light bar 21, and a spare electromagnetic coil 22, and is used for display screen imaging.

[0024] Specifically, the dual-grid display screen imaging component refers to the LED light-emitting element and the electromagnetic coil control circuit, which converts the electronic signal into a visible image. The spherical mask 1 refers to the front cover of the display screen imaging component, which is spherical in shape. The elastic sheet 2 refers to the part used to provide some form of mechanical support. The first slot 3 refers to the opening for inserting the iron core. The first iron core 4 refers to the electromagnetic coil for enhancing the strength of the electromagnetic field. The electromagnetic coil 5 refers to the key part of the electromagnetic device for generating an electromagnetic field. The second slot 6 refers to the opening for inserting the iron core. The second iron core 7 refers to the electromagnetic coil for enhancing the strength of the electromagnetic field. The first electric pulse interface 8 refers to the interface for connecting the power supply and the signal source. The frame space 10 refers to the space inside the component for accommodating the structural support of other components. The second electric pulse The interface 11 refers to the interface for connecting the power supply and the signal source, the third iron core 12 refers to the electromagnetic coil used to enhance the strength of the electromagnetic field, the backup electric pulse interface 13 refers to the interface provided for providing an alternative connection point in case of a fault, the LED backup light source 14 refers to providing additional lighting and display capabilities when the main light bar fails, the backup frame space 15 refers to the space inside the component for accommodating other component structural supports, the second backup electric pulse interface 16 refers to the interface provided for providing an alternative connection point in case of a fault, the substrate 20 refers to the basic structure of the display screen imaging component, the light bar 21 refers to the device for pulling the LED backup power supply, the backup electromagnetic coil 22 refers to the coil provided for providing an alternative solution when the electromagnetic coil fails, and the display screen imaging refers to the process of converting electronic signals into visible images.

[0025] See also Figure 3 As shown, it is a schematic diagram of the structure of a single grid display screen imaging component of this embodiment, and the single grid display screen imaging component includes: The spherical mask 1, whose bottom is bonded to the surface of the substrate 20, is used for optical imaging; The first slot 3 is internally connected to the third electrical pulse interface 24 and externally connected to the optical board 23 for transmitting signals and connecting the circuit; The second slot 6 is internally connected to the fourth electrical pulse interface 27 and externally connected to the optical board 23 for transmitting signals and connecting the circuit; A base plate 20 connected to the spherical mask 1 for power supply; A third electrical pulse interface 24, which is connected to a single LED light source 25 and is used to insert a single LED device 101 into the substrate 20; A single LED light source 25, which is connected to the substrate 20 via a third electrical pulse interface 24 and a third electrical pulse interface 27, and is used to generate a light source; A frame space 26 connected to a single LED light source 25 for imaging the surface on the spherical mask 1; A fourth electrical pulse interface 27, which is connected to the single LED light source 25 and is used to insert the main single LED device 101 into the substrate 20; A single LED device 101 is disposed on a substrate 20 for generating light.

[0026] Specifically, in the single grid display screen imaging assembly, the distance between the single LED light source 101 and the top of the spherical mask 1 is set to H, and 0.5 mm ≤ H ≤ 3 mm.

[0027] Specifically, the grid display screen is assembled using a single spherical mask and an LED device to obtain an independent projection structure to achieve a grid display effect of the independent projection structure.

[0028] See also Figure 4 As shown, it is a schematic diagram of the structure of the grid display screen monitoring module of this embodiment, and the grid display screen monitoring module includes: A data acquisition unit is used to collect the voltage, brightness and color signals of each pixel point in real time; A grid display screen monitoring unit is used to monitor the current and voltage state of each pixel point according to the voltage of each pixel point to obtain a first fault position, and is also used to monitor the luminous state of each pixel point according to the brightness of each pixel point to obtain a second fault position, and is also used to calculate the RGB color space distance according to the color signal of each pixel point, and monitor the color accuracy of the pixel point according to the RGB color space distance to obtain a third fault position, and is also used to optimize the monitoring process of the color accuracy of the pixel point according to the accuracy of the display screen, and output the first fault position, the second fault position and the third fault position as a fault position set, and the grid display screen monitoring unit is connected to the data acquisition unit; A grid display screen management unit is used to manage the current and voltage states of each pixel point according to the brightness of the faulty pixel point and the change value of the driving signal waveform of the faulty adjacent pixel point to obtain a first fault cause, and is also used to manage the luminous state of each pixel point according to the pixel point appearance state coefficient and the connection line firmness coefficient to obtain a second fault cause, and is also used to manage the color accuracy of each pixel point according to the color output setting change value of the signal source, the current color calibration data change value and the display screen color adjustment parameter change value to obtain a third fault cause, and output the first fault cause, the second fault cause and the third fault cause as a fault cause set, and the grid display screen management unit is connected to the grid display screen monitoring unit; A grid display control unit, used for judging the possibility of automatic fault repair according to the fault cause set when the grid display imaging assembly is a dual grid display imaging assembly, and when there is a possibility of automatic fault repair, controlling the grid display to perform automatic fault repair according to the fault location set, the grid display control unit being connected to the grid display management unit and the grid display monitoring unit; A grid display screen alarm unit, used for pushing the fault location set and the fault cause set to a user for alarm when the grid display screen imaging component is a single grid display screen imaging component, and also for pushing the fault location set and the fault cause set to a user for alarm when the grid display screen imaging component is a dual grid display screen imaging component and there is no possibility of automatic fault repair, the grid display screen alarm unit is connected to the grid display screen control unit, the grid display screen management unit and the grid display screen monitoring unit; The grid display screen control verification unit is used to verify the accuracy of automatic fault repair according to the light intensity change value, the actual playback content screen brightness and the external environment light intensity, and adjust the automatic fault repair process according to the automatic fault repair accuracy. The grid display screen control verification unit is connected to the grid display screen alarm unit, the grid display screen control unit and the grid display screen management unit.

[0029] Specifically, the grid display screen monitoring module is arranged in the grid display screen, wherein, through real-time data collection, multi-dimensional monitoring, precise management, intelligent control and verification, the intelligent replacement of the LED lamp bead failure of the display screen is realized, so as to improve the fault detection and maintenance efficiency of the display screen, ensure the stable operation of the display screen and the stability of the display effect, thereby reducing the maintenance cost, wherein, the grid display screen monitoring module collects the data of each pixel point in real time through the data collection unit, timely discovers and locates the potential fault of the display screen, thereby improving the maintenance efficiency and stability of the display screen, the grid display screen monitoring module monitors the faults collected on the display screen through the grid display screen monitoring unit, and the grid display screen monitoring module manages the current and voltage state, luminous state and color accuracy of the pixel point through the grid display screen management unit, so as to Reduce the misjudgment rate and thus improve maintenance efficiency. The grid display monitoring module judges the possibility of automatic fault maintenance through the grid display control unit, and controls the display to perform automatic maintenance when conditions are met, so as to improve the intelligent control level of the system and the intelligent control efficiency of the display, thereby reducing the cost of manual intervention. The grid display monitoring module promptly pushes the fault location and fault cause to the user when automatic fault maintenance is not possible through the grid display alarm unit, so that the user can promptly discover the fault condition of the display, improve the availability of the system, and thus enhance user satisfaction. The grid display monitoring module verifies the maintenance accuracy through the grid display control verification unit, and adjusts the maintenance process according to the verification result to ensure the reliability of the maintenance quality, thereby improving the maintenance efficiency and performance stability of the display.

[0030] Specifically, the data acquisition unit collects the voltage U, brightness L and color signal of each pixel in real time through an intelligent sensor. The brightness of each pixel includes the brightness coefficient La of the faulty pixel, the light intensity change value L1, the actual playback content screen brightness L2 and the external environment light intensity L3. The color signal of each pixel includes the color signals R1, G1 and B1 of each pixel, the color output setting change value J of the signal source, the current color calibration data change value J1 and the display color adjustment parameter change value Y.

[0031] Specifically, the smart sensor refers to a sensor for real-time monitoring of the working state of an LED lamp bead. This embodiment does not limit the type of the smart sensor. For example, the type of the smart sensor can be set to a magnetic sensor. The voltage U of each pixel refers to the voltage value corresponding to each pixel on the display screen. The brightness L of each pixel refers to the brightness level of each pixel on the display screen. The brightness La of the faulty pixel refers to the brightness value of the faulty pixel in the display screen. The light intensity change value L1 refers to the actual change in the light intensity of the grid display screen within a time period. The actual playback content screen brightness L2 refers to the brightness level of the grid display screen when the content is actually played. The external environment light intensity L3 refers to the light intensity level of the environment. The color signals R1, G1 and B1 of each pixel refer to the signal intensity of the red, green and blue basic colors corresponding to each pixel on the display screen. The color output setting change value J of the signal source refers to the change in the color setting of the signal source output and the preset value. The current color calibration data change value J1 refers to the change in the current color calibration data and the last calibration data. The display color adjustment parameter change value Y refers to the change in the color adjustment parameter and the preset value.

[0032] Specifically, the grid display screen monitoring unit compares the voltage U of each pixel with each preset voltage, and judges the current and voltage state of each pixel according to the comparison result, and outputs the first fault position according to the judgment result, wherein: When U1≤U≤U2, the current and voltage states of each pixel are determined to be normal, and the position of the pixel is output as a non-fault position; When U1>U, the current and voltage states of each pixel are determined to be abnormal, and the position of the pixel is output as the first fault position; When U>U2, the current and voltage states of each pixel are determined to be abnormal, and the position of the pixel is output as the first fault position; U1 is the first preset voltage, U2 is the second preset voltage, U1<U2; The grid display screen monitoring unit compares the brightness L of each pixel with each preset luminous brightness Lb, and judges the luminous condition of each pixel point according to the comparison result, and outputs the second fault position according to the judgment result, wherein: When Lb1≤L≤Lb2, the luminescence of each pixel is determined to be normal, and the position of the pixel is output as a non-fault position; When Lb1>L, the light emission of each pixel is determined to be abnormal, and the position of the pixel is output as the second fault position; When L>Lb2, the light emission of each pixel is determined to be abnormal, and the position of the pixel is output as the second fault position; Lb1 is the first preset pixel luminance, Lb2 is the second preset pixel luminance, Lb1<Lb2; The grid display screen monitoring unit calculates the difference between the color signals R1, G1 and B1 of each pixel and the preset color signals R2, G2 and B2 for each channel of the RGB color space, and sets , where R1 and R2 control the intensity of red, G1 and G2 control the intensity of green, B1 and B2 control the intensity of blue, and the RGB color space distance d is calculated using the Euclidean distance formula. , compare the RGB color space distance d with the preset RGB color space distance d0, and judge the color accuracy of each pixel according to the comparison result, and output the third fault position according to the judgment result, wherein: When d≤d0, the color accuracy of each pixel is determined to be correct, and the position of the pixel is output as a fault-free position; When d>d0, the color accuracy of each pixel is determined to be wrong, and the position of the pixel is output as the third fault position; The grid display screen monitoring unit compares the display screen accuracy Q with the preset display screen accuracy Q0, judges the display screen accuracy level according to the comparison result, and optimizes the monitoring process of pixel color accuracy according to the judgment result, wherein: When Q≥Q0, the display screen is judged to have a high level of accuracy, and the pixel color accuracy monitoring process is not optimized at this time; When Q<Q0, the display screen is judged to have a low accuracy. At this time, the monitoring process of pixel color accuracy is optimized by adjusting the preset RGB color space distance d0. After adjustment, the preset color space distance is d0`, and d0`=1.23d0 is set; The grid display screen monitoring unit outputs the first fault position, the second fault position and the third fault position as a fault position set.

[0033] Specifically, the preset voltages refer to two standard values ​​used to compare the actual voltage U of each pixel point, including a first preset voltage U1 and a second preset voltage U2. The first preset voltage U1 refers to the lower limit value of the preset voltage range, and the second preset voltage U2 refers to the upper limit value of the preset voltage range. This embodiment does not limit the specific values ​​of the first preset voltage U1 and the second preset voltage U2, and only needs to meet the requirement of U1<U2. For example, U1=1.8 and U2=3.5 can be set. The current and voltage state of each pixel point refers to whether the current voltage condition of each pixel point is in a normal state. The first fault position refers to the position of the pixel point when the current and voltage state is determined to be abnormal, such as the current and voltage position of the pixel point. The fault-free position refers to the pixel point when the current and voltage state is determined to be normal. The preset luminous brightness Lb refers to the value used to evaluate whether the luminous condition of the pixel is normal, including a first preset pixel luminous brightness Lb1 and a second preset pixel luminous brightness Lb2. The first preset pixel luminous brightness Lb1 refers to the lower limit of the preset luminous brightness range, and the second preset pixel luminous brightness Lb2 refers to the upper limit of the preset luminous brightness range. The luminous condition of each pixel refers to whether the current luminous state of each pixel is within the normal range. The second fault position refers to the position of the pixel determined to be abnormal in luminous condition, such as the pixel position. The non-fault position refers to the position of the pixel determined to be normal in luminous condition on the display screen. The preset RGB color signals R2, G2 and B2 refer to the preset ideal color values ​​of the pixel in the RGB color space. The RGB The difference of each channel in the color space refers to the difference on the color channel, the Euclidean distance formula refers to a mathematical formula used to calculate the straight-line distance between two points, the preset RGB color space distance d0 refers to a formula used to determine whether the color space distance is within an acceptable range, the color accuracy of each pixel refers to the degree of proximity between the actual color signal and the preset color signal, the third fault position refers to a specific position of a pixel point, such as the color position of a pixel point, used to indicate that the color accuracy does not meet the preset standard during the color monitoring process, the display screen accuracy Q refers to a method for measuring the accuracy of the display screen when displaying images or colors, the preset display screen accuracy Q0 refers to a range for measuring the display screen accuracy standard, the display screen accuracy level refers to the accuracy shown by the display screen, the pixel color accuracy monitoring process refers to the process of collecting, analyzing and evaluating the color signal on the display screen, and the fault position set refers to the collection of the first fault position, the second fault position and the third fault position identified during the monitoring process.

[0034] Specifically, the grid display screen monitoring unit can accurately locate and classify the fault location of the display screen through comprehensive monitoring and intelligent judgment, thereby improving the maintenance efficiency and color accuracy of the display screen.

[0035] Specifically, when managing the current and voltage states of the pixels, the grid display screen management unit compares the brightness La of the faulty pixel with the preset faulty pixel brightness La0, and judges the current and voltage states of the pixels according to the comparison result, and outputs the first fault cause according to the judgment result, wherein: When La∈La0, the current and voltage states of each pixel are determined to be normal, and the current and voltage states of each pixel are output as having no fault cause; When La∉La0, the current and voltage states of each pixel are determined to be abnormal, and the current and voltage states of each pixel are output as the first fault cause; When managing the current and voltage states of the pixels, the grid display screen management unit calculates the waveform change value P of the driving signal of the faulty adjacent pixel through the amplitude f, the frequency F, and the duty cycle K, and sets P=α1×f+α2×F+α3×K, wherein α1, α2, and α3 are weight coefficients of each factor, and α1+α2+α3=1, and compares the waveform change value P of the driving signal of the faulty adjacent pixel with each preset waveform change value P0 of the driving signal of the faulty adjacent pixel, and judges the current and voltage states of the pixels according to the comparison result, and outputs the first fault cause according to the judgment result, wherein: When P≤P0, the current and voltage states of each pixel are determined to be normal, and the current and voltage states of each pixel are output as having no fault cause; When P>P0, the current and voltage states of each pixel are determined to be abnormal, and the current and voltage states of each pixel are output as the first fault cause; When managing the luminous state of each pixel, the grid display screen management unit calculates the pixel appearance state coefficient A through the deformation coefficient H1, the damage coefficient H2 and the looseness coefficient H3, and sets A=β1×H1+β2×H2+β3×H3, wherein β1, β2 and β3 are weight parameters of each coefficient, and β1+β2+β3=1, and compares the pixel appearance state coefficient A with the preset pixel appearance state coefficient A0, and judges the luminous state of each pixel according to the comparison result, and outputs the second fault cause according to the judgment result, wherein: When A≤A0, the light-emitting state of each pixel is determined to be undamaged, and the light-emitting state of each pixel is output as having no fault cause; When A>A0, the light emitting state of each pixel is determined to be damaged, and the light emitting state of each pixel is output as a second fault cause; When managing the luminous state of each pixel point, the grid display screen management unit judges the firmness of the connection line through the camera, obtains the connection line firmness coefficient E, compares the connection line firmness coefficient E with the preset connection line firmness coefficient E0, and judges the luminous state of each pixel point according to the comparison result, and outputs the second fault cause according to the judgment result, wherein: When E≥E0, the light-emitting state of each pixel is determined to be normal, and the light-emitting state of each pixel is output as having no fault cause; When E<E0, the light emitting state of each pixel is determined to be abnormal, and the light emitting state of each pixel is output as a second fault cause; When managing the luminous state of each pixel, the grid display screen management unit compares the color output setting change value J of the signal source with the preset signal source color output setting change value J0, and judges the color accuracy of each pixel according to the comparison result, and outputs the third fault cause according to the judgment result, wherein: When J≤J0, the color accuracy of each pixel point is determined to be normal, and the color accuracy of each pixel point is output as having no fault cause; When J>J0, the color accuracy of each pixel point is determined to be abnormal, and the color accuracy of each pixel point is output as a third fault cause; When managing the luminous state of each pixel, the grid display screen management unit compares the current color calibration data change value J1 with the preset color calibration data change value J01, and judges the color accuracy of each pixel according to the comparison result, and outputs the third fault cause according to the judgment result, wherein: When J1≤J01, the color accuracy of each pixel is determined to be normal, and the color accuracy of each pixel is output as having no fault cause; When J1>J01, the color accuracy of each pixel is determined to be abnormal, and the color accuracy of each pixel is output as a third fault cause; When managing the luminous state of each pixel, the grid display screen management unit compares the display screen color adjustment parameter change value Y with the preset display screen color adjustment parameter change value Y, and judges the color accuracy of each pixel according to the comparison result, and outputs the third fault cause according to the judgment result, wherein: When Y≤Y0, the color accuracy of each pixel point is determined to be normal, and the color accuracy of each pixel point is output as having no fault cause; When Y>Y0, the color accuracy of each pixel point is determined to be abnormal, and the color accuracy of each pixel point is output as a third fault cause; The first fault cause, the second fault cause and the third fault cause are output as a fault cause set.

[0036] Specifically, the preset fault pixel brightness La0 refers to the preset fault pixel brightness threshold under the normal working state of the display screen. The present embodiment does not limit the range of the preset fault pixel brightness La0, for example, the range of the preset fault pixel brightness La0 can be set to 50%≤La0≤150%. The current and voltage states of each pixel refer to the current and voltage states of each pixel in the display screen. The first fault cause refers to the fault cause obtained by detecting the current and voltage states of the pixel, such as a common power supply fault and a common drive circuit fault. The no-fault cause refers to the state of the pixel conforming to the preset normal range. The amplitude f refers to the amplitude of the drive signal, the frequency F refers to the frequency of the drive signal, the duty cycle K refers to the proportion of the high level in the drive signal, the drive signal waveform change P refers to the change in the drive signal waveform of the adjacent fault pixel, and the preset drive signal waveform change value P0 of the adjacent fault pixel refers to the preset range of drive signal waveform changes of the adjacent fault pixel under the normal working state of the display screen. The present embodiment does not limit the range of the preset drive signal waveform change value P0 of the adjacent fault pixel, for example, it can be set to 0. ≤P0≤10%, the deformation coefficient H1 refers to the degree of shape change of the pixel due to external force, the damage coefficient H2 refers to the degree of performance degradation of the pixel due to wear and damage, the looseness coefficient H3 refers to the degree of performance degradation of the pixel and its connection due to looseness, the preset pixel appearance state coefficient A0 refers to the range of the preset pixel appearance state coefficient under the normal working state of the display screen, and the present embodiment does not limit the range of the preset pixel appearance state coefficient A0, such as A0≤0.58, the luminous state of each pixel refers to the luminous state of each pixel in the display screen, the second fault cause refers to the fault cause obtained by detecting the luminous state of the pixel, such as the appearance of the pixel is damaged, the camera refers to an intelligent tool for monitoring the state of the connection line of the display screen, and the present embodiment does not limit the type of camera, such as it can be set to an intelligent analysis camera, the connection line firmness coefficient E refers to the firmness of the pixel and its connection line, and the preset connection line firmness coefficient E0 refers to the range of the preset connection line firmness coefficient, and the present embodiment does not limit the range of the preset pixel appearance state coefficient A0, such as 0.64≤E0≤0.88, the preset signal source color output setting change value J0 refers to the preset range of signal source color output setting change, the preset color calibration data change value J01 refers to the preset range of color calibration data change, the preset display screen color adjustment parameter change value Y0 refers to the preset range of display screen color adjustment parameter change, the color accuracy of each pixel refers to the degree of matching between the color presented by each pixel on the display screen and the expected color, the third fault cause refers to a fault caused by abnormal pixel color accuracy, such as abnormal signal source color, and the fault cause set refers to the collection of the first fault cause, the second fault cause and the third fault cause. .

[0037] Specifically, when the grid display screen imaging component is a dual grid display screen imaging component, the grid display screen control unit determines the possibility of automatic fault repair according to the fault cause set, and repairs the fault according to the determination result, wherein: When there is a possibility of automatic fault repair, controlling the grid display screen to perform automatic fault repair according to the fault location set; When there is no possibility of automatic fault repair, the gridded display screen is not controlled to perform automatic fault repair according to the fault location set.

[0038] Specifically, the existence of the possibility of automatic fault repair refers to a fault situation in which the grid display screen can be automatically repaired by controlling the fault location set, and the existence of the possibility of automatic fault repair refers to a fault situation in which the grid display screen cannot be automatically repaired by controlling the fault location set. The present embodiment does not limit the method for judging the possibility of automatic fault repair. For example, the fault cause set can be compared with an automatic fault repair possibility database, and the possibility of automatic fault repair is judged according to the comparison result, wherein: when the fault cause in the fault cause set is consistent with the fault cause with the existence of automatic fault repair possibility in the automatic fault repair possibility database, it is determined that the fault cause has the possibility of automatic fault repair; when the fault cause in the fault cause set is inconsistent with the fault cause with the existence of automatic fault repair possibility in the automatic fault repair possibility database, it is determined that the fault cause does not have the possibility of automatic fault repair; the automatic fault repair possibility database refers to a database pre-stored by an administrator, with the content of the fault cause with the existence of automatic fault repair possibility.

[0039] Specifically, when the grid display screen imaging component is a single grid display screen imaging component, the grid display screen alarm unit pushes the fault location set and the fault cause set to the user through an alarm to warn; When the grid display screen imaging component is a dual grid display screen imaging component and there is no possibility of automatic fault repair, the grid display screen alarm unit pushes the fault location set and the fault cause set to the user through an alarm for alarm.

[0040] Specifically, the single grid display screen imaging component refers to an imaging component composed of a single LED imaging device, and the alarm refers to a device used to warn the user when a grid display screen has a fault that cannot be automatically repaired. This embodiment does not limit the type of alarm, but only needs to meet the requirements of a device that warns the user when a grid display screen has a fault that cannot be automatically repaired, such as a light alarm.

[0041] Specifically, when verifying the accuracy of automatic fault repair, the grid display screen control verification unit compares the light intensity change value L1 with the preset standard light intensity change value L01, judges the accuracy of automatic fault repair according to the comparison result, and adjusts the automatic fault repair process according to the judgment result, wherein: When L1≤L01, the automatic fault repair accuracy is determined to be accurate, and no adjustment is made to the automatic fault repair process; When L1>L01, the accuracy of the automatic fault repair is determined to be inaccurate, and the automatic fault repair process is adjusted by adjusting the current of the electromagnetic coil. The adjusted current is , where s is the deviation and Kp is the proportionality coefficient; When verifying the accuracy of the automatic fault repair, the grid display screen control verification unit compares the actual playback content screen brightness L2 with the preset playback content screen brightness L02, and judges the accuracy of the automatic fault repair according to the comparison result, and adjusts the automatic fault repair process according to the judgment result, wherein: When L2≤L02, the accuracy of the automatic fault repair is determined to be accurate, and no adjustment is made to the automatic fault repair process; When L2>L02, it is determined that the accuracy of the automatic fault repair is inaccurate, and the automatic fault repair process is adjusted by adjusting the voltage U in the brightness control circuit. The adjusted voltage Ua=U / Kl, Kl is the deviation ratio between the actual brightness and the preset brightness, Kl=L2 / L02; When verifying the accuracy of automatic fault repair, the grid display screen control verification unit compares the external environment light intensity L3 with the preset external environment light intensity L03, and judges the accuracy of automatic fault repair according to the comparison result, and adjusts the automatic fault repair process according to the judgment result, wherein: When L3≤L03, the automatic fault repair accuracy is determined to be accurate, and no adjustment is made to the automatic fault repair process; When L3>L03, the accuracy of the automatic fault repair is determined to be inaccurate, and the automatic fault repair process is adjusted by adjusting the repair time Tl. The adjusted repair time Tl=T+f(∆T), f(∆T) is a function of the light intensity deviation, and f(∆T)=f1×∆T is set, f1 is a constant, ∆T=L3-L03.

[0042] Specifically, the automatic fault repair accuracy refers to the accuracy level achieved by the automatic fault repair system, the preset standard light intensity change value L01 refers to the standard light intensity change range, the automatic fault repair process refers to the automated steps from fault detection to fault repair, the electromagnetic coil refers to the component used to generate a magnetic field, the preset playback content screen brightness L02 refers to the standard playback content screen brightness value, and the preset external environment light intensity L03 refers to the standard external environment light intensity value.

[0043] Specifically, the grid display screen control verification unit can effectively verify and optimize the accuracy of automatic fault repair through comparison and adjustment, thereby improving the maintenance efficiency and performance stability of the display screen.

[0044] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A grid display screen, characterized in that: The grid display screen comprises: A grid display screen imaging component connected to the light panel for projecting imaging; The LED device is located in the grid display screen imaging assembly and connected to the substrate, and is composed of a first light source and a second light source, and is used to generate light; A light plate connected to the grid display screen imaging assembly and used to fix the grid display screen imaging assembly; A grid display screen monitoring module, which is connected to the grid display screen imaging component, is used to monitor the faults of the grid display screen, obtain monitoring results, and intelligently control the grid display screen imaging component according to the monitoring results; The LED device includes a single LED light source form and a dual LED light source form. When the LED device is in a dual LED light source form, the gridded display screen imaging component is a dual gridded display screen imaging component. When the LED device is in a single LED light source form, the gridded display screen imaging component is a single gridded display screen imaging component.

2. The grid display screen according to claim 1, characterized in that: The dual-grid display screen imaging assembly comprises: A spherical mask, the bottom of which is bonded to the surface of the substrate for optical imaging; The elastic sheet has one end connected to the spherical mask by glue with high bonding strength and temperature resistance, and the other end connected to the second iron core on the LED light source by a card slot buckle, which is used to complete the pulling action of replacing the LED device; The first slot is internally connected to the electric pulse interface and externally connected to the optical board for transmitting signals and connecting the circuits; A first iron core connected to the substrate and used to interact with the electromagnetic coil to complete the pulling action of replacing the LED device; The electromagnetic coil is connected to the LED light source and is used to interact with the first iron core, the second iron core and the third iron core to automatically insert and remove the main LED device, compress the elastic sheet and pull the light bar; The second slot is connected to the electric pulse interface inside and to the optical board outside for transmitting signals and connecting the circuit; A second iron core, which is connected to the LED light source by welding and is used to interact with the electromagnetic coil of the main LED device to compress the elastic sheet; A first electrical pulse interface, which is connected to the LED light source and is used to insert the main LED device into the substrate; An LED light source is connected to the substrate via a first electrical pulse interface and a second electrical pulse interface, and is used to generate a light source; A box space connected to an LED light source for imaging the surface on the spherical mask; A second electrical pulse interface, which is connected to the LED light source and is used to insert the main LED device into the substrate; a third iron core connected to the LED backup light source by welding and used to interact with the electromagnetic coil of the main LED device to compress the light strip; A backup pulse interface, which is connected to the LED backup light source and is used to insert the backup LED device into the substrate; An LED backup light source, which is connected to the main LED device through a light bar and is used for replacement when the LED light source fails; A spare square frame space, which is connected to an LED spare light source and is used for imaging the spare surface on the spherical mask; A second backup pulse interface, which is connected to the LED backup light source and is used to insert the backup LED device into the substrate; A main LED device, one end of which is close to the second iron core and connected to the elastic sheet, the other end of which is connected to the light bar, one end of which is close to the first electric pulse interface and connected to the first slot, and one end of which is close to the second electric pulse interface and connected to the second slot, for generating a light source; A spare LED device, one end of which is close to the third core and is connected to the main LED device, and is used for replacement when the main LED device fails; A base plate connected to the spherical mask for power supply; The light bar has elastic and stretchable properties and is connected to the backup LED device so that when the main LED device is damaged, the backup LED device can be pulled out for replacement; The standby electromagnetic coil is connected to the LED standby light source and is used to act with the third iron core to complete the automatic insertion action of the standby LED device.

3. The grid display screen according to claim 1, characterized in that: The single grid display screen imaging assembly comprises: A spherical mask, the bottom of which is bonded to the surface of the substrate for optical imaging; The first slot is internally connected to the third electrical pulse interface and externally connected to the optical board for transmitting signals and connecting the circuit; The second slot is internally connected to the fourth electrical pulse interface and externally connected to the optical board for transmitting signals and connecting the circuits; A base plate connected to the spherical mask for power supply; A third electrical pulse interface, which is connected to a single LED light source and is used to insert a single LED device into the substrate; A single LED light source, wherein R1 and R2 are used to control the intensity of red, G1 and G2 are used to control the intensity of green, B1 and B2 are used to control the intensity of blue, and are connected to the substrate through the third electric pulse interface and the third electric pulse interface through the Euclidean distance to generate a light source; A box space connected to a single LED light source for imaging the surface on the spherical mask; A fourth electrical pulse interface, which is connected to a single LED light source and is used to insert a single LED device into the substrate; A single LED device is disposed on a substrate for generating light.

4. The grid display screen according to claim 1, characterized in that: The grid display screen monitoring module includes: A data acquisition unit is used to collect the voltage, brightness and color signals of each pixel point in real time; A grid display screen monitoring unit is used to monitor the current and voltage state of each pixel point according to the voltage of each pixel point to obtain a first fault position, and is also used to monitor the luminous state of each pixel point according to the brightness of each pixel point to obtain a second fault position, and is also used to calculate the RGB color space distance according to the color signal of each pixel point, and monitor the color accuracy of the pixel point according to the RGB color space distance to obtain a third fault position, and is also used to optimize the monitoring process of the color accuracy of the pixel point according to the accuracy of the display screen, and output the first fault position, the second fault position and the third fault position as a fault position set; A grid display screen management unit, for managing the current and voltage states of each pixel according to the brightness of the faulty pixel and the change value of the driving signal waveform of the faulty adjacent pixel, to obtain a first fault cause, and for managing the luminous state of each pixel according to the pixel appearance state coefficient and the connection line firmness coefficient, to obtain a second fault cause, and for managing the color accuracy of each pixel according to the color output setting change value of the signal source, the current color calibration data change value and the display screen color adjustment parameter change value, to obtain a third fault cause, and outputting the first fault cause, the second fault cause and the third fault cause as a fault cause set; A grid display control unit, for judging the possibility of automatic fault repair according to the fault cause set when the grid display imaging assembly is a dual grid display imaging assembly, and for controlling the grid display to perform automatic fault repair according to the fault location set when there is a possibility of automatic fault repair; A grid display screen alarm unit, used for pushing the fault location set and the fault cause set to a user for alarm when the grid display screen imaging component is a single grid display screen imaging component, and also for pushing the fault location set and the fault cause set to a user for alarm when the grid display screen imaging component is a dual grid display screen imaging component and there is no possibility of automatic fault repair; The grid display screen control verification unit is used to verify the accuracy of automatic fault repair according to the light intensity change value, the actual playback content screen brightness and the external environment light intensity, and adjust the automatic fault repair process according to the automatic fault repair accuracy.

5. The grid display screen according to claim 4, characterized in that: The grid display screen monitoring unit compares the voltage U of each pixel with each preset voltage, and judges the current and voltage state of each pixel according to the comparison result, and outputs the first fault position according to the judgment result; The grid display screen monitoring unit compares each pixel brightness coefficient L with each preset luminous brightness coefficient Lb, and judges the luminous condition of each pixel point according to the comparison result, and outputs the second fault position according to the judgment result.

6. The grid display screen according to claim 4, characterized in that: The grid display screen monitoring unit calculates the difference between the color signals R1, G1 and B1 of each pixel and the preset color signals R2, G2 and B2 for each channel of the RGB color space, and sets The distance d in RGB color space is calculated by the formula, and the setting , comparing the RGB color space distance d with the preset RGB color space distance d0, judging the color accuracy of each pixel according to the comparison result, and outputting the third fault position according to the judgment result; The grid display screen monitoring unit outputs the first fault position, the second fault position and the third fault position as a fault position set.

7. The grid display screen according to claim 4, characterized in that: When managing the current and voltage states of the pixels, the grid display screen management unit calculates the waveform change value P of the driving signal of the faulty adjacent pixel through the amplitude f, the frequency F, and the duty cycle K, and sets P=α1×f+α2×F+α3×K, wherein α1, α2, and α3 are weight coefficients of each factor, and α1+α2+α3=1, and compares the waveform change value P of the driving signal of the faulty adjacent pixel with each preset waveform change value P0 of the driving signal of the faulty adjacent pixel, and judges the current and voltage states of the pixels according to the comparison result, and outputs the first fault cause according to the judgment result; When managing the luminous state of each pixel, the grid display screen management unit calculates the pixel appearance state coefficient A through the deformation coefficient H1, the damage coefficient H2 and the looseness coefficient H3, and sets A=β1×H1+β2×H2+β3×H3, wherein β1, β2 and β3 are weight parameters of each coefficient, and β1+β2+β3=1, compares the pixel appearance state coefficient A with the preset pixel appearance state coefficient A0, judges the luminous state of each pixel according to the comparison result, and outputs the second fault cause according to the judgment result; When managing the luminous state of each pixel, the grid display screen management unit compares the color output setting change value J of the signal source with the preset signal source color output setting change value J0, and judges the color accuracy of each pixel according to the comparison result, and outputs the third fault cause according to the judgment result; The first fault cause, the second fault cause and the third fault cause are output as a fault cause set.

8. The grid display screen according to claim 4, characterized in that: The grid display screen control unit determines the possibility of automatic fault repair according to the fault cause set when the grid display screen imaging component is a dual grid display screen imaging component, and repairs the fault according to the determination result, wherein: When there is a possibility of automatic fault repair, controlling the grid display screen to perform automatic fault repair according to the fault location set; When there is no possibility of automatic fault repair, the fault location set controls the grid display screen not to perform automatic fault repair.

9. The grid display screen according to claim 4, characterized in that: When the grid display screen imaging component is a single grid display screen imaging component, the grid display screen alarm unit pushes the fault location set and the fault cause set to the user through an alarm for alarming; When the grid display screen imaging component is a dual grid display screen imaging component and there is no possibility of automatic fault repair, the grid display screen alarm unit pushes the fault location set and the fault cause set to the user through an alarm for alarm.

10. The grid display screen according to claim 4, characterized in that: When verifying the accuracy of automatic fault repair, the grid display screen control verification unit compares the light intensity change value L1 with the preset standard light intensity change value L01, judges the accuracy of automatic fault repair according to the comparison result, and adjusts the automatic fault repair process according to the judgment result.

Images