Fault detection system, fault detection method, electronic device and storage medium

Abstract

The present application provides a fault detection system, a fault detection method, an electronic device and a storage medium, wherein the fault detection system comprises: a plurality of boards to be detected comprises an infrared transmitting board, an infrared receiving board and a main board, the main board comprises a third serial port and a processor; a detection device, for detecting a plurality of first detection information corresponding to infrared signals in the plurality of boards to be detected; the processor is used to: when the second serial port is electrically connected to the third serial port, control the detection device to detect a plurality of first detection information corresponding to infrared signals in the plurality of boards to be detected; compare a plurality of first level values ​​with a first preset level threshold, and determine a first target level value less than the first preset level threshold from the plurality of first level values; determine the source of the first target signal according to the first target level value, and use the board to be detected corresponding to the source of the first target signal as the target fault area. The fault detection system realizes the detection function through the connection of the serial port, without disassembling the machine, thereby improving the efficiency of fault detection.

Description

Technical Field

[0001] The present application belongs to the technical field of fault detection, and in particular, relates to a fault detection system, a fault detection method, an electronic device and a storage medium. Background Art

[0002] With the continuous development of electronic equipment technology, infrared technology has been widely used. Infrared technology touch screens are composed of infrared emitting and receiving sensing elements installed on a touch frame. On the surface of the screen, an infrared test network is formed. Any touching object can change the infrared on the contact point to realize touch screen operation. The implementation principle of infrared touch screens is similar to that of surface acoustic wave touch, using infrared emitting and receiving sensing elements. These elements form an infrared detection network on the surface of the screen. The object of the touch operation can change the touched infrared, which is then converted into the coordinate position of the touch to realize the response of the operation. On the infrared touch screen, a touch frame is formed on the four sides of the screen. The circuit board device arranged on the touch frame has infrared emitting tubes and infrared receiving tubes, which form a horizontal and vertical cross infrared matrix.

[0003] PCBA is the whole process of PCB blank board through surface mount technology, and then through dual in-line packaging technology plug-in, while infrared touch screen PCBA is the infrared touch screen PCB board that has gone through the whole process.

[0004] At present, if the touch frame formed by the infrared touch screen PCBA fails, it is necessary to disassemble the casing of the entire electronic device and connect the detection equipment to perform fault detection. Disassembly of the entire machine requires multiple people to operate, and the detection process is tedious and complicated. Summary of the invention

[0005] The embodiments of the present application provide a fault detection system, a fault detection method, an electronic device and a storage medium, which improve the fault detection efficiency.

[0006] In a first aspect, an embodiment of the present application provides a fault detection system, which is applied to an electronic device, including:

[0007] A plurality of boards to be tested, wherein the plurality of boards to be tested include an infrared transmitting board, an infrared receiving board and a main board 1;

[0008] A detection device, the detection device comprises a first serial port and a second serial port, one end of the first serial port is electrically connected to one end of the second serial port, the other end of the first serial port is electrically connected to the plurality of boards to be detected, the detection device is used to detect a plurality of first detection information corresponding to infrared signals in the plurality of boards to be detected; wherein,

[0009] The mainboard includes a third serial port and a processor, the processor is electrically connected to one end of the third serial port, and the processor is used for:

[0010] When the other end of the second serial port is electrically connected to the other end of the third serial port, the detection device is controlled to detect a plurality of first detection information corresponding to the infrared signals in the plurality of boards to be detected, wherein the plurality of first detection information includes a plurality of first level values ​​and a plurality of first signal sources;

[0011] Comparing the plurality of first level values ​​with a first preset level threshold, and determining a first target level value that is less than the first preset level threshold from the plurality of first level values;

[0012] A first target signal source is determined according to the first target level value, and the to-be-detected board corresponding to the first target signal source is used as a target fault area.

[0013] Optionally, the electronic device includes a touch frame, the touch frame includes four sides, the infrared transmitting panel includes a plurality of first sub-transmitting panels and a plurality of second sub-transmitting panels, the infrared receiving panel includes a plurality of first sub-receiving panels and a plurality of second sub-receiving panels, the plurality of first sub-transmitting panels are arranged in parallel on the first side of the touch frame, the plurality of second sub-transmitting panels are arranged in parallel on the second side of the touch frame, the plurality of first sub-receiving panels are arranged in parallel on the third side of the touch frame, and the plurality of second sub-receiving panels are arranged in parallel on the fourth side of the touch frame.

[0014] Optionally, the detection device is also used for:

[0015] Acquire multiple transmission signals of the multiple sub-transmitting panels and multiple reception signals of the multiple sub-receiving panels corresponding to the multiple sub-transmitting panels, and use the multiple transmission signals and the multiple reception signals as multiple scanning signals respectively;

[0016] Determine the first signal source corresponding to the plurality of scanning signals by oblique scanning;

[0017] Determine the signal strength of the plurality of scanning signals by vertical scanning;

[0018] The plurality of scanning signals are amplified and converted into the plurality of first level values.

[0019] Optionally, the fault detection system also includes multiple connecting lines, including a first connecting line, a second connecting line and a third connecting line, each of the connecting lines is respectively connected to the boards to be detected corresponding to the two adjacent sides of the touch frame, wherein one end of the multiple first sub-transmitting boards close to the second side is connected to the multiple second sub-transmitting boards through the first connecting line, one end of the first sub-receiving board close to the fourth side is connected to one end of the multiple second sub-receiving boards through the second connecting line, the other end of the multiple second sub-receiving boards is connected to one end of the main board, and the other end of the main board is connected to the other end of the multiple first sub-transmitting boards through the third connecting line.

[0020] Optionally, the detection device is further used to detect a plurality of second level values ​​corresponding to the plurality of connection lines, and the processor is further used to:

[0021] When the other end of the second serial port is electrically connected to the other end of the third serial port, controlling the detection device to obtain a plurality of second level values ​​corresponding to the plurality of connection lines;

[0022] comparing the plurality of second level values ​​with a second preset level threshold, and determining a second target level value that is less than the second preset level threshold from the plurality of second level values;

[0023] The connecting line corresponding to the second target level value is used as the target fault area.

[0024] Optionally, the fault detection system further includes a prompt device electrically connected to the processor, and the processor is further configured to:

[0025] The prompt device is controlled to issue prompt information corresponding to the target fault area.

[0026] In a second aspect, an embodiment of the present application further provides a fault detection method, which is applied to an electronic device, wherein the electronic device includes a fault detection system, and the fault detection system includes:

[0027] A plurality of boards to be tested, wherein the plurality of boards to be tested include an infrared transmitting board, an infrared receiving board and a main board, and the main board includes a third serial port;

[0028] A detection device, the detection device comprising a first serial port and a second serial port, one end of the first serial port is electrically connected to one end of the second serial port, the other end of the first serial port is electrically connected to the plurality of boards to be detected, the detection device is used to detect a plurality of first detection information corresponding to infrared signals in the plurality of boards to be detected; the method comprising:

[0029] When the other end of the second serial port is electrically connected to the other end of the third serial port, the detection device is controlled to detect a plurality of first detection information corresponding to the infrared signals in the plurality of boards to be detected, wherein the plurality of first detection information includes a plurality of first level values ​​and a plurality of first signal sources;

[0030] Comparing the plurality of first level values ​​with a first preset level threshold, and determining a first target level value that is less than the first preset level threshold from the plurality of first level values;

[0031] A first target signal source is determined according to the first target level value, and the to-be-detected board corresponding to the first target signal source is used as a target fault area.

[0032] Optionally, the controlling the detection device to detect a plurality of first detection information corresponding to the infrared signals in the plurality of boards to be detected includes:

[0033] Acquire multiple transmission signals of the infrared transmission board and multiple reception signals of the infrared reception board corresponding to the infrared transmission board, and use the multiple transmission signals and the multiple signals as multiple scanning signals respectively;

[0034] Determine the first signal source corresponding to the plurality of scanning signals by oblique scanning;

[0035] Determine the signal strength of the plurality of scanning signals by vertical scanning;

[0036] The plurality of scanning signals are amplified and converted into the plurality of first level values.

[0037] In a third aspect, an embodiment of the present application further provides an electronic device, including:

[0038] Touch the box;

[0039] a fault detection system, wherein the fault detection system is arranged on the touch frame;

[0040] a memory storing a computer program;

[0041] A processor, wherein the processor executes the fault detection method as described in any one of the above items by calling the computer program stored in the memory.

[0042] In a fourth aspect, an embodiment of the present application further provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed on a computer, the computer executes any of the fault detection methods described above.

[0043] The embodiment of the present application provides a fault detection system including multiple boards to be detected and a detection device, the multiple boards to be detected include an infrared transmitting board, an infrared receiving board and a main board, the main board includes a third serial port and a processor, the processor is electrically connected to one end of the third serial port, the detection device includes a first serial port and a second serial port, one end of the first serial port is electrically connected to one end of the second serial port, and the other end of the first serial port is electrically connected to the multiple boards to be detected, respectively, the detection device is used to detect multiple first detection information corresponding to the infrared signal in the multiple boards to be detected, and the processor is used to: when the other end of the second serial port is electrically connected to the other end of the third serial port, control the detection device to detect multiple first detection information corresponding to the infrared signal in the multiple boards to be detected, wherein the multiple first detection information includes multiple first level values ​​and multiple first signal sources, compare the multiple first level values ​​with the first preset level threshold, and determine the first target level value less than the first preset level threshold from the multiple first level values, determine the first target signal source according to the first target level value, and use the board to be detected corresponding to the first target signal source as the target fault area. The embodiment of the present application realizes the detection function through the connection between the serial ports, without disassembling the machine, and improves the fault detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. In the following description, the same figure numerals represent the same parts. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without paying creative work.

[0045] Figure 1 A first structural diagram of a fault detection system provided in an embodiment of the present application.

[0046] Figure 2 A second structural diagram of the fault detection system provided in an embodiment of the present application.

[0047] Figure 3 A third structural diagram of the fault detection system provided in an embodiment of the present application.

[0048] Figure 4 A fourth structural diagram of the fault detection system provided in an embodiment of the present application.

[0049] Figure 5 A fifth structural diagram of the fault detection system provided in an embodiment of the present application.

[0050] Figure 6 A flowchart of a fault detection method provided in an embodiment of the present application.

[0051] Figure 7A schematic diagram of the structure of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0052] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only embodiments of a part of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application.

[0053] Electronic devices based on interactive products, such as educational machines or conference machines with infrared touch frame functions, or educational and conference all-in-one machines, have a touch function that is a unique function of the electronic device product, so it is necessary to maintain this function. In the related art, electronic devices usually use two methods to detect the failure of the touch frame when the touch frame fails. One is that the OPS computer configured with the whole machine uses the touch frame detection tool installed on the OPS to determine the problem point, but since the OPS computer is not standard, it is inconvenient to debug and repair; the second is to disassemble the large and small rear shells of the whole machine and connect the serial port of the touch frame to the computer, and use the touch frame detection tool installed on the computer to determine the fault. This method requires the removal of the rear shell of the whole machine. Since the whole machine is large and heavy, it requires multiple people to operate at the same time, which also causes inconvenience to debugging and maintenance.

[0054] To solve the above problems, the embodiments of the present application provide a fault detection system, a fault detection method, an electronic device and a storage medium. Among them, the fault detection system is applied to electronic devices, and the electronic devices can be educational machines and conference machines with infrared technology touch screens, or they can be all-in-one educational and conference machines, etc. Among them, the infrared technology touch screen is composed of infrared emitting and receiving sensing elements mounted on a touch frame. On the surface of the screen, an infrared test network is formed. Any touching object can change the infrared on the contact point to realize the touch screen operation. The infrared emitting and receiving sensing elements form an infrared detection network on the surface of the screen. The object of the touch operation can change the infrared touched, which is then converted into the coordinate position of the touch to realize the response of the operation. On the infrared touch screen, a touch frame is formed on the four sides of the screen, and the circuit board device arranged on the touch frame has infrared emitting tubes and infrared receiving tubes, corresponding to the formation of a horizontally and vertically crossed infrared matrix.

[0055] See also Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of a first structure of a fault detection system 10 provided in an embodiment of the present application. Figure 2A second structural schematic diagram of the fault detection system 10 provided in an embodiment of the present application. The electronic device may include an infrared technology touch screen and a touch frame, and the fault detection system 10 may be integrated on the touch frame. The fault detection system 10 includes a plurality of boards to be detected 11 and a detection device 12. The plurality of boards to be detected 11 may include an infrared transmitting board 111, an infrared receiving board 112, and a main board 113. The detection device 12 may include a first serial port 121 and a second serial port 122, one end of the first serial port 121 is electrically connected to one end of the second serial port 122, and the other end of the first serial port 121 is electrically connected to the plurality of boards to be detected 11, respectively. The detection device 12 may be electrically connected to the plurality of boards to be detected 11 through the first serial port 121 to detect a plurality of first detection information corresponding to infrared signals in the plurality of boards to be detected 11. The infrared signal may be an infrared transmitting signal corresponding to the infrared transmitting board 111 and an infrared receiving signal corresponding to the infrared receiving board 112.

[0056] When a touch frame of an electronic device fails, maintenance personnel can enter the factory menu to detect the fault through the remote control corresponding to the electronic device, enter the password to enter the factory menu selection to confirm that the fault detection system 10 starts the fault detection function, such as turning on the switch corresponding to the fault detection system 10.

[0057] Among them, the mainboard 113 may include a third serial port 1131 and a processor 1132, one end of the processor 1132 is electrically connected to one end of the third serial port 1131, and the other end of the third serial port 1131 can establish an electrical connection with the other end of the second serial port 122. When a fault occurs in the electronic device 20, the other end of the second serial port 122 of the detection device 12 can be electrically connected to the other end of the third serial port 1131, so that the processor 1132 can obtain the data detected by the detection device 12 to detect the fault. Compared with the disassembly detection process in the related art, this embodiment only needs to connect the serial port of the detection device 12 to the serial port of the mainboard 113 to realize fault detection. The detection method is relatively simple. While reducing the number of maintenance personnel, it can also reduce the requirements on the professional and technical level of maintenance personnel, thereby improving the efficiency of fault detection.

[0058] Specifically, when a fault occurs in the electronic device, the processor 1132 can electrically connect the other end of the second serial port 122 with the other end of the third serial port 1131 during the detection process of the fault detection system 10. When the second serial port 122 and the third serial port 1131 are electrically connected, the detection device 12 is controlled to detect multiple first detection information corresponding to the infrared signals in the multiple boards to be detected 11, wherein the multiple first detection information includes multiple first level values ​​and multiple first signal sources; the multiple first level values ​​are compared with the first preset level threshold, and a first target level value less than the first preset level threshold is determined from the multiple first level values; the first target signal source is determined according to the first target level value, and the board to be detected corresponding to the first target signal source is used as the target fault area.

[0059] See also Figure 3 , Figure 3 The third structural schematic diagram of the fault detection system 10 provided in the embodiment of the present application. The fault detection system 10 is integrated on the touch frame of the electronic device, and the touch frame includes four sides, namely the first side, the second side, the third side and the fourth side. The first side and the third side are opposite to each other and can be left and right sides; the second side and the fourth side are opposite to each other and can be upper and lower sides. The length of the left and right sides can be the same as the length of the upper and lower sides, or can be different, which is not specifically limited here. The infrared emitting board 111 in the plurality of boards to be detected 11 may include a plurality of first sub-emitting boards 1111 and a second sub-emitting board 1112, wherein the plurality of first sub-emitting boards 1111 are arranged in parallel on the first side of the touch frame, and the plurality of second sub-emitting boards 1112 are arranged in parallel on the second side of the touch frame; the infrared receiving board 112 in the plurality of boards to be detected 11 may include a plurality of first sub-receiving boards 1121 and a second sub-receiving board 1122, wherein the plurality of first sub-receiving boards 1121 are arranged in parallel on the third side of the touch frame, and the plurality of second sub-receiving boards 1122 are arranged in parallel on the fourth side of the touch frame. Specifically, two first sub-emitting boards 1111 may be arranged in parallel on the first side, four second sub-emitting boards 1112 may be arranged in parallel on the second side, two first sub-receiving boards 1121 may be arranged in parallel on the third side, and the main board 113 and three second sub-receiving boards 1122 may be arranged in parallel on the fourth side.

[0060] It should be noted that when the second serial port 122 and the third serial port 1131 are electrically connected, the detection device 12 can obtain multiple transmission signals of multiple sub-transmitting panels and multiple receiving signals of multiple sub-receiving panels corresponding to the multiple sub-transmitting panels, and use the multiple transmission signals and the multiple receiving signals as multiple scanning signals respectively; determine the first signal source corresponding to the multiple scanning signals through an oblique scanning method; determine the signal strength of the multiple scanning signals through a vertical scanning method; and convert the multiple scanning signals into multiple first level values ​​after amplifying them.

[0061] Among them, each sub-transmitting board is provided with a plurality of infrared transmitting tubes, and each sub-receiving board is provided with a plurality of infrared receiving tubes, and the transmitting signal emitted by each infrared transmitting tube can be received by the corresponding plurality of infrared receiving tubes to obtain receiving signals, such as the transmitting signal emitted by the first sub-transmitting board 1111 on the first side can be received by the first sub-receiving board 1121 on the third side to obtain receiving signals, and the transmitting signal emitted by the second sub-transmitting board 1112 on the second side can be received by the second sub-receiving board 1122 on the fourth side to obtain receiving signals. It can be understood that the transmitting signal corresponding to an infrared transmitting tube in an infrared transmitting board 111 can be received by the plurality of infrared receiving tubes in an infrared receiving board 112 to obtain a plurality of receiving signals, and the transmitting signal corresponding to an infrared transmitting tube in an infrared transmitting board 111 can also be received by the plurality of infrared receiving tubes of different infrared receiving boards 112 to obtain a plurality of receiving signals, that is, the transmitting signal corresponding to an infrared transmitting board 111 can be received by one or more infrared receiving boards 112 to obtain receiving signals. Disposing a plurality of infrared emitting tubes or infrared receiving tubes on each infrared emitting board 111 or infrared receiving board 112 can improve the intensity of infrared signals emitted or received by each infrared emitting board 111 or infrared receiving board 112, thereby improving the touch accuracy of the touch area of ​​the infrared touch screen.

[0062] Among them, the first signal source can correspond to the scanning signal being a transmitting signal emitted by the infrared emitting board 111 or a receiving signal received by the infrared receiving board 112, that is, the board to be detected corresponding to the scanning signal can be determined by the first signal source. By comparing the multiple first level values ​​converted after the signal strength of multiple scanning signals is amplified with the first preset level threshold, the abnormal scanning signal can be determined, and then the board to be detected corresponding to the abnormal scanning signal is determined by multiple first signal sources, so as to obtain the target fault area. The first preset level threshold can be set according to the specific situation, such as 150dB, that is, if the multiple first level values ​​are greater than 150dB, it means that the corresponding multiple scanning signals are normal. If the first level value is less than 150dB, it means that the scanning signal corresponding to the first level value is abnormal, that is, the board to be detected that generates the scanning signal is faulty. The reason for the abnormal scanning signal generated by the board to be detected can be that the infrared emitting board 111 has no transmitting signal, the infrared receiving board 112 has no receiving signal, the transmitting signal is weak, the receiving signal is weak, the transmitting or receiving signal is blocked, etc.

[0063] By detecting multiple first detection information corresponding to the infrared signals in multiple boards to be detected 11, the target fault area where the fault occurs in multiple boards to be detected 11 can be determined. The reasons for the above-mentioned abnormal scanning signals can be prioritized according to the severity of the fault. For example, weak transmission or reception signals can be regarded as the first-level fault, because although the signal is weak, the signal transmission can still be achieved; if there is no transmission or reception signal and the transmission or reception signal is blocked, it can be regarded as the second-level fault. The priority of maintenance can be determined according to the priority of the fault, such as the maintenance of the second-level fault before the maintenance of the first-level fault, so as to ensure that the electronic equipment can communicate smoothly. Specifically, when multiple first level values ​​in multiple first detection information are all less than 150dB, the multiple boards to be detected 11 are continuously detected. If multiple first level values ​​are less than the third preset level threshold, such as 50dB, it is determined that the board to be detected corresponding to the first level value less than the third preset level threshold has a second-level fault, and the board to be detected corresponding to the first level value greater than the third preset level threshold and less than the second preset level threshold has a first-level fault.

[0064] It should be noted that the lack of transmitting or / receiving signals may be caused by a failure of an infrared transmitting tube in the infrared transmitting board 111 or an infrared receiving tube in the infrared receiving board 112; the blocking of transmitting or receiving signals may be caused by a failure of multiple infrared transmitting tubes in the infrared transmitting board 111 or multiple infrared receiving tubes in the infrared receiving board 112, or may be caused by a glass protrusion in the infrared touch screen.

[0065] The above method can determine the target fault area where the fault occurs in the multiple boards to be detected 11, but the cause of the fault of the touch frame in the electronic device is not limited to this. Therefore, in order to improve the detection accuracy of the fault detection system 10, the fault detection system 10 can also detect other faults of the touch frame. Figure 4 , Figure 4A fourth structural schematic diagram of the fault detection system 10 provided in an embodiment of the present application. The fault detection system 10 may further include a plurality of connecting wires 13, the plurality of connecting wires 13 include a first connecting wire 131, a second connecting wire 132, and a third connecting wire 133, each connecting wire is respectively connected to the boards to be detected corresponding to the two sides connected to the touch frame 21, wherein one end of the plurality of first sub-transmitting boards 1111 close to the second side is connected to the plurality of second sub-transmitting boards 1112 through the first connecting wire 131, one end of the first sub-receiving board 1121 close to the fourth side is connected to one end of the plurality of second sub-receiving boards 1122 through the second connecting wire 132, the other end of the plurality of second sub-receiving boards 1122 is connected to one end of the main board 113, and the other end of the main board 113 is connected to the other end of the plurality of first sub-transmitting boards 1111 through the third connecting wire 133. Among them, the multiple first sub-emitting boards 1111 on the first side, the multiple second sub-emitting boards 1112 on the second side, the multiple first sub-receiving boards 1121 on the third side, and the multiple second sub-receiving boards 1122 on the fourth side can also be electrically connected through connecting wires.

[0066] When the other end of the second serial port 122 is electrically connected to the other end of the third serial port 1131, the processor 1132 can also control the detection device 12 to obtain multiple second level values ​​corresponding to the multiple connecting lines 13; compare the multiple second level values ​​with the second preset level threshold, and determine a second target level value less than the second preset level threshold from the multiple second level values; and use the connecting line corresponding to the second target level value as the target fault area.

[0067] It should be noted that the reason why the second level value is less than the second preset level threshold is that the connection line corresponding to the second level value has poor contact. Specifically, if the detection device 12 does not detect the transmission signal in the first sub-transmitter board 1111 on the first side, it means that the third connection line 133 has poor contact; if the detection device 12 does not detect the transmission signal in the second sub-transmitter board 1112 on the second side, and detects the transmission signal in the first sub-transmitter board 1111 on the first side, it means that the first connection line 131 has poor contact; if the detection device 12 does not detect the reception signal in the first sub-receiving board 1121 on the third side, and detects the reception signal in the second sub-receiving board 1122 on the fourth side, it means that the second connection line 132 has poor contact.

[0068] The detection device 12 can respectively obtain multiple second level values ​​of the circuits where the multiple connecting wires 13 are located, and compare the multiple level values ​​with the second preset level threshold, so as to determine the connecting wires with poor contact. Among them, the second preset level threshold can be set according to the actual situation, such as 20dB. In the process of fault detection through the fault detection system 10, if it is detected that the infrared signals corresponding to the multiple boards to be detected 11 on the same side of the touch frame 21 are all less than the first preset threshold, it means that the multiple boards to be detected 11 on this side may be caused by poor contact of the connecting wires. Therefore, the second level values ​​of the multiple connecting wires 13 can be continued to be compared with the second preset level threshold to determine the connecting wires with poor contact. If the infrared signals corresponding to the multiple boards to be detected 11 on the same side of the touch frame are partly greater than the first preset threshold and partly less than the first preset threshold, it means that it is a fault problem of the board to be detected, and there is no need to further detect whether the connecting wire is faulty.

[0069] In addition, if the data detected by the detection device 12 obtained by the processor 1132 in the mainboard 113 are all zero, the processor 1132 in the mainboard 113 cannot read the data detected by the detection device 12, that is, there is no serial port communication between the mainboard 113 and the detection device 12. The reason for this situation may be that the second serial port 122 of the detection device 12 and the third serial port 1131 of the mainboard 113 have poor contact, and the serial port connection needs to be debugged; or there is a fault in the mainboard 113, and the mainboard 113 needs to be repaired.

[0070] After the target fault area in the touch frame of the electronic device is detected by the above fault detection system 10, wherein the target fault area in the touch frame of the electronic device may include multiple boards to be detected 11 and multiple connecting wires 13, in order to facilitate maintenance personnel to quickly confirm the target fault area, the target fault area may be prompted. Figure 5 , Figure 5 The fifth structural diagram of the fault detection system 10 provided in the embodiment of the present application. The fault detection system 10 may further include a prompt device 14, which is electrically connected to the processor 1132. The prompt device 14 may be integrated on the mainboard 113, or may be set at other locations of the electronic device, which is not specifically limited here. The processor 1132 may control the prompt device 14 to issue prompt information corresponding to the target fault area.

[0071] For details, please continue to see Figure 4 The plurality of boards to be tested 11 may be numbered, such as serial numbers 1 to 12, and the plurality of connecting lines 13 may be numbered, such as serial numbers 13 to 15, wherein the arrangement order of the plurality of boards to be tested 11 and the plurality of connecting lines 13 is not limited to Figure 4The order shown can be set according to specific circumstances and is not specifically limited here. The prompt device 14 can be a prompt light. If the prompt device 14 includes a prompt light, the number of flashing times of the prompt light can be prompted according to the serial number corresponding to each board to be tested and the serial number corresponding to each connecting line. For example, serial number 2 corresponds to the first sub-transmitter board 1111 on the first side of the touch frame. If the first sub-transmitter board 1111 fails, the prompt light can flash twice; if the second sub-transmitter board 1112 corresponding to serial number 5 on the second side of the touch frame fails, the prompt light can flash 5 times, etc. Among them, a certain time can be separated between each flash of the prompt light to ensure that the maintenance personnel can reserve time to confirm the number of flashes.

[0072] In order to further distinguish the severity levels of problems and faults occurring in multiple boards to be tested 11, the prompt device 14 may be provided with two prompt lights, such as a first prompt light for prompting a fault of weak transmitting or receiving signals, and a second prompt light for prompting a fault of no transmitting or receiving signals, as well as a fault of blocked transmitting or receiving signals, etc., and the number of corresponding prompt lights is displayed according to the serial number corresponding to each board to be tested. For example, if the first sub-transmitting board 1111 corresponding to serial number 2 has a fault of no transmitting signal, the second prompt light is controlled to flash twice, etc.

[0073] Of course, the prompt device 14 may also include a voice prompt device or a display prompt device, such as each board to be tested and each connecting line corresponding to a different voice prompt, such as the first sub-transmitter board 1111 corresponding to serial number 3 is faulty, then the voice prompt device issues a voice prompt of "serial number 3 board to be tested is faulty", etc. Similarly, the display prompt device may also display prompts corresponding to the serial number, and the specific prompt method is not limited here. The maintenance personnel can quickly determine the target fault area of ​​the touch frame of the electronic device according to the prompt information of the prompt device 14, so as to perform corresponding maintenance and improve the debugging and maintenance efficiency.

[0074] It should be noted that, from the start of fault detection to the completion of detection of multiple boards 11 to be detected and multiple connection lines 13 in the entire touch frame, the fault detection system 10 can simultaneously detect multiple target fault areas, and maintenance personnel can repair multiple target fault areas in sequence to improve maintenance efficiency. The fault detection function of the fault detection system 10 can be turned on and off by a switch control, and of course other control methods can also be used, which are not specifically limited here.

[0075] As can be seen from the above, in this embodiment, when the other end of the second serial port 122 is electrically connected to the other end of the third serial port 1131, the detection device 12 is controlled to detect multiple first detection information corresponding to the infrared signal in multiple boards to be detected 11, wherein the multiple first detection information includes multiple first level values ​​and multiple first signal sources, and the multiple first level values ​​are compared with the first preset level threshold, and a first target level value less than the first preset level threshold is determined from the multiple first level values, and the first target signal source is determined according to the first target level value, and the board to be detected corresponding to the first target signal source is used as the target fault area. The detection function is realized by connecting the mainboard 113 with the serial port corresponding to the detection device 12, without disassembling the machine, while reducing the number of maintenance personnel, the requirements for the professional and technical level of maintenance personnel can be reduced, and the fault detection efficiency is improved. In addition, the corresponding target fault area is prompted by the prompting device 14, so that the maintenance personnel can quickly determine the target fault area, thereby improving the maintenance efficiency.

[0076] In addition, the present invention also provides a fault detection method. Figure 6 , Figure 6 The following is a flow chart of a fault detection method provided in an embodiment of the present application. The fault detection method is applied to electronic devices, which may be educational machines and conference machines with infrared technology touch screens, or educational and conference all-in-one machines. The specific steps of the fault detection method are as follows:

[0077] 201 , when the other end of the second serial port is electrically connected to the other end of the third serial port, controlling the detection device to detect a plurality of first detection information corresponding to the infrared signals in a plurality of boards to be detected.

[0078] In this embodiment, when a fault occurs in the touch frame of an electronic device, maintenance personnel can enter the factory menu to detect the fault through the remote control corresponding to the electronic device, enter the password to enter the factory menu selection, and confirm that the fault detection system starts the fault detection function, such as turning on the switch corresponding to the fault detection system.

[0079] When an electronic device fails, the other end of the second serial port of the detection device can be electrically connected to the other end of the third serial port, so that the processor can obtain the data detected by the detection device and detect the fault. Compared with the disassembly detection process in the related art, this embodiment only needs to connect the serial port of the detection device to the serial port of the mainboard to realize fault detection. The detection method is relatively simple. While reducing the number of maintenance personnel, it can also reduce the requirements on the professional and technical level of maintenance personnel, thereby improving the efficiency of fault detection.

[0080] The electronic device may include an infrared technology touch screen and a touch frame, and the plurality of boards to be detected may include an infrared transmitting board, an infrared receiving board and a main board. The detection device may include a first serial port and a second serial port, and the main board may include a third serial port.

[0081] Specifically, during the detection process of the fault detection system, the other end of the second serial port is electrically connected to the other end of the third serial port, and when the second serial port and the third serial port are electrically connected, the detection device is controlled to detect multiple first detection information corresponding to the infrared signals in multiple boards to be detected. The infrared signal can be an infrared transmission signal corresponding to the infrared transmission board and an infrared reception signal corresponding to the infrared reception board. The multiple first detection information includes multiple first level values ​​and multiple first signal sources.

[0082] Among them, when the second serial port and the third serial port are electrically connected, the detection device can obtain multiple transmission signals of multiple sub-transmitting boards and multiple receiving signals of multiple sub-receiving boards corresponding to the multiple sub-transmitting boards, and use the multiple transmission signals and the multiple receiving signals as multiple scanning signals respectively; determine the first signal source corresponding to the multiple scanning signals through an oblique scanning method; determine the signal strength of the multiple scanning signals through a vertical scanning method; and convert the multiple scanning signals into multiple first level values ​​after amplifying them.

[0083] Among them, each sub-transmitting board is provided with a plurality of infrared transmitting tubes, and each sub-receiving board is provided with a plurality of infrared receiving tubes, and the transmitting signal emitted by each infrared transmitting tube can be received by the corresponding plurality of infrared receiving tubes to obtain a receiving signal. It can be understood that the transmitting signal corresponding to an infrared transmitting tube in an infrared transmitting board can be received by the plurality of infrared receiving tubes in an infrared receiving board to obtain a plurality of receiving signals, and the transmitting signal corresponding to an infrared transmitting tube in an infrared transmitting board can also be received by the plurality of infrared receiving tubes of different infrared receiving boards to obtain a plurality of receiving signals, that is, the transmitting signal corresponding to an infrared transmitting board can be received by one or more infrared receiving boards to obtain a receiving signal. Arranging a plurality of infrared transmitting tubes or infrared receiving tubes on each infrared transmitting board or infrared receiving board can improve the intensity of the infrared signal emitted or received by each infrared transmitting board or infrared receiving board, thereby improving the touch accuracy of the touch area of ​​the infrared touch screen.

[0084] 202 , compare the multiple first level values ​​with a first preset level threshold, and determine a first target level value that is smaller than the first preset level threshold from the multiple first level values.

[0085] Among them, the first signal source can correspond to the scanning signal being a transmitting signal emitted by the infrared transmitting board or a receiving signal received by the infrared receiving board, that is, the board to be detected corresponding to the scanning signal can be determined by the first signal source. By comparing the multiple first level values ​​converted after the signal strength of multiple scanning signals is amplified with the first preset level threshold, the abnormal scanning signal can be determined, and then the board to be detected corresponding to the abnormal scanning signal is determined by multiple first signal sources, so as to obtain the target fault area. The first preset level threshold can be set according to the specific situation, such as 150dB, that is, if the multiple first level values ​​are greater than 150dB, it means that the corresponding multiple scanning signals are normal. If the first level value is less than 150dB, it means that the scanning signal corresponding to the first level value is abnormal, that is, the board to be detected that generates the scanning signal is faulty. The reason why the board to be detected generates an abnormal scanning signal may be that the infrared transmitting board has no transmitting signal, the infrared receiving board has no receiving signal, the transmitting signal is weak, the receiving signal is weak, the transmitting or receiving signal is blocked, etc.

[0086] 203 , determining a first target signal source according to the first target level value, and taking the to-be-detected board corresponding to the first target signal source as a target fault area.

[0087] By detecting multiple first detection information corresponding to infrared signals in multiple boards to be detected, the target fault area where faults occur in multiple boards to be detected can be determined. The reasons for the above-mentioned abnormal scanning signals can be prioritized according to the severity of the fault, such as weak sending or receiving signals can be regarded as first-level faults, because although the signal is weak, signal transmission can still be achieved; if there is no transmission or reception signal and the transmission or reception signal is blocked, it can be regarded as a second-level fault, and the priority of maintenance can be determined according to the priority of the fault, such as the maintenance of the second-level fault before the maintenance of the first-level fault, so as to ensure that the electronic equipment can communicate smoothly. Specifically, when multiple first level values ​​in multiple first detection information are all less than 150dB, multiple boards to be detected are continued to be detected. If multiple first level values ​​are less than the third preset level threshold, such as 50dB, it is determined that the board to be detected corresponding to the first level value less than the third preset level threshold has a second-level fault, and the board to be detected corresponding to the first level value greater than the third preset level threshold and less than the second preset level threshold has a first-level fault.

[0088] It should be noted that the lack of transmitting or / receiving signals may be caused by a failure of an infrared transmitting tube in the infrared transmitting board or an infrared receiving tube in the infrared receiving board; the blocking of transmitting or receiving signals may be caused by a failure of multiple infrared transmitting tubes in the infrared transmitting board or multiple infrared receiving tubes in the infrared receiving board, or may be caused by a glass protrusion in the infrared touch screen.

[0089] The above method can be used to determine target fault areas where faults occur in multiple boards to be detected, but the causes of faults in the touch frame of the electronic device are not limited to this. Therefore, in order to improve the detection accuracy of fault detection, other faults of the touch frame can also be detected.

[0090] When the other end of the second serial port is electrically connected to the other end of the third serial port, the detection device can also be controlled to obtain multiple second level values ​​corresponding to multiple connecting lines; compare the multiple second level values ​​with the second preset level threshold, and determine a second target level value less than the second preset level threshold from the multiple second level values; and use the connecting line corresponding to the second target level value as the target fault area.

[0091] It should be noted that the reason why the second level value is less than the second preset level threshold is that the connection line corresponding to the second level value has poor contact. Specifically, if the detection device does not detect the transmission signal in the first sub-transmitter board on the first side, it means that the third connection line has poor contact; if the detection device does not detect the transmission signal in the second sub-transmitter board on the second side, and detects the transmission signal in the first sub-transmitter board on the first side, it means that the first connection line has poor contact; if the detection device does not detect the reception signal in the first sub-receiving board on the third side, and detects the reception signal in the second sub-receiving board on the fourth side, it means that the second connection line has poor contact.

[0092] The detection device can respectively obtain multiple second level values ​​of the circuits where the multiple connecting wires are located, and compare the multiple level values ​​with the second preset level threshold, so as to determine the connecting wires with poor contact. Among them, the second preset level threshold can be set according to the actual situation, such as 20dB. In the process of fault detection through the fault detection system, if it is detected that the infrared signals corresponding to the multiple boards to be detected on the same side of the touch frame are all less than the first preset threshold, it means that the multiple boards to be detected on this side may be caused by poor contact of the connecting wires. Therefore, the second level values ​​of the multiple connecting wires can be continued to be compared with the second preset level threshold to determine the connecting wires with poor contact. If a part of the infrared signals corresponding to the multiple boards to be detected on the same side of the touch frame are greater than the first preset threshold, and a part is less than the first preset threshold, it means that it is a fault problem of the board to be detected, and there is no need to further detect whether the connecting wire is faulty.

[0093] In addition, if the data detected by the detection device obtained by the processor in the mainboard are all zero, the processor in the mainboard cannot read the data detected by the detection device, that is, there is no serial communication between the mainboard and the detection device. The cause of this situation may be that the second serial port of the detection device and the third serial port of the mainboard have poor contact, then the serial port connection needs to be debugged; or the mainboard fails, then the mainboard needs to be repaired.

[0094] After detecting the target fault area in the touch frame of the electronic device, where the target fault area in the touch frame of the electronic device may include multiple boards to be detected and multiple connecting lines, in order to facilitate maintenance personnel to quickly confirm the target fault area, a prompt may be given for the target fault area.

[0095] Multiple boards to be tested can be numbered, such as serial numbers 1 to 12, and multiple connecting lines can be numbered, such as serial numbers 13 to 15. The prompt device can be a prompt light. If the prompt device includes a prompt light, the number of flashes of the prompt light can be prompted according to the serial number corresponding to each board to be tested and the serial number corresponding to each connecting line. For example, serial number 2 corresponds to the first sub-transmitter board on the first side of the touch frame. If the first sub-transmitter board fails, the prompt light can flash twice; if the second sub-transmitter board corresponding to serial number 5 on the second side of the touch frame fails, the prompt light can flash 5 times, etc. Among them, a certain time can be left between each flash of the prompt light to ensure that the maintenance personnel can reserve time to confirm the number of flashes.

[0096] In order to further distinguish the severity levels of problems and faults in multiple boards to be tested, the prompt device can be provided with two prompt lights. For example, the first prompt light is used to prompt the occurrence of a weak transmission or reception signal fault, and the second prompt light is used to prompt the occurrence of no transmission or reception signal, as well as a transmission or reception signal being blocked, etc., and the number of corresponding prompt lights is displayed according to the serial number corresponding to each board to be tested. For example, if the first sub-transmitter board corresponding to serial number 2 has a no transmission signal fault, the second prompt light is controlled to flash twice, etc.

[0097] Of course, the prompt device may also include a voice prompt device or a display prompt device, such as each board to be tested and each connecting line corresponding to a different voice prompt, such as the first sub-transmitter board corresponding to serial number 3 is faulty, then the voice prompt device issues a voice prompt of "Serial number 3 board to be tested is faulty", etc. Similarly, the display prompt device may also display prompts corresponding to the serial number, and the specific prompt method is not limited here. Maintenance personnel can quickly determine the target fault area of ​​the touch frame of the electronic device according to the prompt information of the prompt device, so as to perform corresponding maintenance and improve the debugging and maintenance efficiency.

[0098] As can be seen from the above, in this embodiment, when the other end of the second serial port is electrically connected to the other end of the third serial port, the detection device is controlled to detect multiple first detection information corresponding to the infrared signal in multiple boards to be detected, wherein the multiple first detection information includes multiple first level values ​​and multiple first signal sources, and the multiple first level values ​​are compared with the first preset level threshold, and a first target level value less than the first preset level threshold is determined from the multiple first level values, and the first target signal source is determined according to the first target level value, and the board to be detected corresponding to the first target signal source is used as the target fault area. The detection function is realized by the connection between the mainboard and the serial port corresponding to the detection device, without disassembly, which can reduce the number of maintenance personnel and reduce the requirements for the professional and technical level of maintenance personnel, thereby improving the fault detection efficiency. In addition, the corresponding target fault area is prompted by the prompting device, so that the maintenance personnel can quickly determine the target fault area, thereby improving the maintenance efficiency.

[0099] Accordingly, the present application also provides an electronic device, such as Figure 7 As shown, Figure 7 A schematic diagram of the structure of an electronic device provided in an embodiment of the present application. The electronic device 20 may be an educational machine and a conference machine with an infrared technology touch screen, or an educational and conference all-in-one machine, etc. Among them, the electronic device 20 may include a touch frame 21, a fault detection system 10, a processor 1132 and a memory 22. Of course, the electronic device 20 may also include other structural components, such as a display screen, an antenna structure, etc. (not shown in the figure), which are not specifically limited here.

[0100] Among them, the touch frame 21 and the fault detection system 10 are the touch frame 21 and the fault detection system 10 described in the above embodiment, and are not described in detail here. The electronic device 20 includes a processor 1132 with one or more processing cores, a memory 22 with one or more computer-readable storage media, and a computer program stored in the memory 22 and executable on the processor 1132. Among them, the processor 1132 is electrically connected to the memory 22. Those skilled in the art can understand that the structure of the electronic device 20 shown in the figure does not constitute a limitation on the electronic device 20, and may include more or fewer components than shown in the figure, or combine certain components, or arrange components differently.

[0101] The processor 1132 is the control center of the electronic device 20. It uses various interfaces and lines to connect various parts of the entire electronic device 20, executes various functions of the electronic device 20 and processes data by running or loading software programs and / or modules stored in the memory 22, and calling data stored in the memory 22, thereby monitoring the electronic device 20 as a whole.

[0102] In the embodiment of the present application, the processor 1132 in the electronic device 20 will load instructions corresponding to the processes of one or more application programs into the memory 22 according to the following steps, and the processor 1132 will run the application programs stored in the memory 22 to implement various functions:

[0103] When the other end of the second serial port 122 is electrically connected to the other end of the third serial port 1131, the control detection device 12 detects a plurality of first detection information corresponding to the infrared signals of the plurality of boards to be detected 11, wherein the plurality of first detection information includes a plurality of first level values ​​and a plurality of first signal sources;

[0104] Comparing the plurality of first level values ​​with a first preset level threshold, and determining a first target level value that is less than the first preset level threshold from the plurality of first level values;

[0105] The first target signal source is determined according to the first target level value, and the to-be-detected board corresponding to the first target signal source is used as the target fault area.

[0106] The specific implementation of the above operations can be found in the previous embodiments, which will not be described in detail here.

[0107] A person of ordinary skill in the art will appreciate that all or part of the steps in the various methods of the above embodiments may be completed by instructions, or by controlling related hardware through instructions. The instructions may be stored in a computer-readable storage medium and loaded and executed by a processor.

[0108] To this end, an embodiment of the present application provides a computer-readable storage medium, in which multiple computer programs are stored. The computer programs can be loaded by a processor to execute the steps in any fault detection method provided in the embodiment of the present application.

[0109] The storage medium may include: a read-only memory (ROM), a random access memory (RAM), a magnetic disk, an optical disk, or other media that can store program codes.

[0110] Since the computer program stored in the storage medium can execute the steps in any one of the fault detection methods provided in the embodiments of the present application, the beneficial effects that can be achieved by any one of the fault detection methods provided in the embodiments of the present application can be achieved. Please refer to the previous embodiments for details and will not be repeated here.

[0111] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0112] It should be noted that, for the fault detection method of the embodiment of the present application, ordinary testers in the field can understand that all or part of the process of implementing the fault detection method of the embodiment of the present application can be completed by controlling the relevant hardware through a computer program. The computer program can be stored in a computer-readable storage medium, such as stored in the memory of an electronic device, and executed by at least one processor in the electronic device. During the execution process, it may include the process of the embodiment of the fault detection method.

[0113] The above is a detailed introduction to a fault detection system, a fault detection method, an electronic device and a storage medium provided in the embodiments of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea; at the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A fault detection system, applied to electronic equipment, characterized in that: include: A plurality of boards to be tested, wherein the plurality of boards to be tested include an infrared transmitting board, an infrared receiving board and a main board; A detection device, the detection device comprises a first serial port and a second serial port, one end of the first serial port is electrically connected to one end of the second serial port, the other end of the first serial port is electrically connected to the plurality of boards to be detected, the detection device is used to detect a plurality of first detection information corresponding to infrared signals in the plurality of boards to be detected; wherein, The mainboard includes a third serial port and a processor, the processor is electrically connected to one end of the third serial port, and the processor is used for: When the other end of the second serial port is electrically connected to the other end of the third serial port, the detection device is controlled to detect a plurality of first detection information corresponding to the infrared signals in the plurality of boards to be detected, wherein the plurality of first detection information includes a plurality of first level values ​​and a plurality of first signal sources; Comparing the plurality of first level values ​​with a first preset level threshold, and determining a first target level value that is less than the first preset level threshold from the plurality of first level values; Determine a first target signal source according to the first target level value, and use the to-be-detected board corresponding to the first target signal source as a target fault area; The electronic device includes a touch frame, the touch frame includes four sides, the infrared transmitting panel includes a plurality of first sub-transmitting panels and a plurality of second sub-transmitting panels, the infrared receiving panel includes a plurality of first sub-receiving panels and a plurality of second sub-receiving panels, the plurality of first sub-transmitting panels are arranged in parallel on the first side of the touch frame, the plurality of second sub-transmitting panels are arranged in parallel on the second side of the touch frame, the plurality of first sub-receiving panels are arranged in parallel on the third side of the touch frame, and the plurality of second sub-receiving panels are arranged in parallel on the fourth side of the touch frame; Furthermore, the detection device is also used for: Acquire multiple transmission signals of multiple sub-transmitting boards and multiple reception signals of multiple sub-receiving boards corresponding to the multiple sub-transmitting boards, and use the multiple transmission signals and the multiple reception signals as multiple scanning signals respectively; Determine the first signal source corresponding to the plurality of scanning signals by oblique scanning; Determine the signal strength of the plurality of scanning signals by vertical scanning; The plurality of scanning signals are amplified and converted into the plurality of first level values.

2. The fault detection system according to claim 1, characterized in that: The fault detection system also includes multiple connecting lines, which include a first connecting line, a second connecting line and a third connecting line, each of which is respectively connected to the boards to be detected corresponding to the two adjacent sides of the touch frame, wherein one end of the multiple first sub-transmitting boards close to the second side is connected to the multiple second sub-transmitting boards through the first connecting line, one end of the first sub-receiving board close to the fourth side is connected to one end of the multiple second sub-receiving boards through the second connecting line, the other end of the multiple second sub-receiving boards is connected to one end of the main board, and the other end of the main board is connected to the other end of the multiple first sub-transmitting boards through the third connecting line.

3. The fault detection system according to claim 2, characterized in that: The detection device is further used to detect a plurality of second level values ​​corresponding to the plurality of connection lines, and the processor is further used to: When the other end of the second serial port is electrically connected to the other end of the third serial port, controlling the detection device to obtain a plurality of second level values ​​corresponding to the plurality of connection lines; comparing the plurality of second level values ​​with a second preset level threshold, and determining a second target level value that is less than the second preset level threshold from the plurality of second level values; The connecting line corresponding to the second target level value is used as the target fault area.

4. The fault detection system according to any one of claims 1 to 3, characterized in that: The fault detection system further includes a prompting device electrically connected to the processor, and the processor is further configured to: The prompt device is controlled to issue prompt information corresponding to the target fault area.

5. A fault detection method, applied to electronic equipment, characterized in that: The electronic device comprises a fault detection system, wherein the fault detection system comprises: A plurality of boards to be tested, wherein the plurality of boards to be tested include an infrared transmitting board, an infrared receiving board and a main board, and the main board includes a third serial port; A detection device, the detection device comprising a first serial port and a second serial port, one end of the first serial port is electrically connected to one end of the second serial port, the other end of the first serial port is electrically connected to the plurality of boards to be detected, the detection device is used to detect a plurality of first detection information corresponding to infrared signals in the plurality of boards to be detected; the method comprising: When the other end of the second serial port is electrically connected to the other end of the third serial port, the detection device is controlled to detect a plurality of first detection information corresponding to the infrared signals in the plurality of boards to be detected, wherein the plurality of first detection information includes a plurality of first level values ​​and a plurality of first signal sources; Comparing the plurality of first level values ​​with a first preset level threshold, and determining a first target level value that is less than the first preset level threshold from the plurality of first level values; Determine a first target signal source according to the first target level value, and use the to-be-detected board corresponding to the first target signal source as a target fault area; The electronic device includes a touch frame, the touch frame includes four sides, the infrared transmitting panel includes a plurality of first sub-transmitting panels and a plurality of second sub-transmitting panels, the infrared receiving panel includes a plurality of first sub-receiving panels and a plurality of second sub-receiving panels, the plurality of first sub-transmitting panels are arranged in parallel on the first side of the touch frame, the plurality of second sub-transmitting panels are arranged in parallel on the second side of the touch frame, the plurality of first sub-receiving panels are arranged in parallel on the third side of the touch frame, and the plurality of second sub-receiving panels are arranged in parallel on the fourth side of the touch frame; The controlling the detection device to detect a plurality of first detection information corresponding to the infrared signals in the plurality of panels to be detected comprises: Acquire multiple transmission signals of the infrared transmission board and multiple reception signals of the infrared reception board corresponding to the infrared transmission board, and use the multiple transmission signals and the multiple reception signals as multiple scanning signals respectively; Determine the first signal source corresponding to the plurality of scanning signals by oblique scanning; Determine the signal strength of the plurality of scanning signals by vertical scanning; The plurality of scanning signals are amplified and converted into the plurality of first level values.

6. An electronic device, characterized in that: include: Touch the box; a fault detection system, wherein the fault detection system is arranged on the touch frame; a memory storing a computer program; A processor, wherein the processor executes the fault detection method according to claim 5 by calling the computer program stored in the memory.

7. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed on a computer, the computer is caused to execute the fault detection method according to claim 5 .

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