Automatic maintenance method and device for positioning fault circuit board based on temperature and storage medium

Abstract

The invention provides an automatic maintenance method and device for positioning a fault circuit board based on temperature and a storage medium, and the method comprises the steps: feeding a maintenance circuit board into the automatic maintenance device; supplying power to the maintenance circuit board; sending the power-supplied maintenance circuit board into a monitoring area; analyzing and detecting the electric signal of the maintenance circuit board, and judging whether the maintenance circuit board has a fault or not; monitoring the temperature of the components of the maintenance circuit board in the power supply and test states, and judging whether the temperature of the maintenance circuit board is abnormal or not; and positioning and labeling the maintenance circuit board with abnormal temperature, and distributing the maintenance circuit board to different areas according to different conditions. According to the invention, automatic maintenance of the temperature positioning fault circuit board can be realized, the circuit board fault is found in advance through temperature sensitivity, the hidden fault is exposed, the loss of the circuit board is avoided in time through quick power-off control, the maintenance efficiency of the circuit board is improved, the operation error rate is reduced, the fault occurrence probability is reduced, and the maintenance cost and the operation risk of a train are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit board repair, and in particular to an automatic repair method, device and storage medium for locating a faulty circuit board based on temperature. Background Art

[0002] The automation method related to batch maintenance of circuit boards uses electrical testing equipment to identify the feedback status of the circuit board under working conditions, but does not identify the surface temperature of the circuit board components. When the surface temperature of the circuit board needs to be identified, it is usually manually identified using a thermal imager. Manual identification of the surface temperature of the circuit board is difficult because the status of the components of the circuit board under maintenance varies. There is a critical state of failure of the circuit board under maintenance. When the abnormal surface temperature of the circuit board is manually discovered, the circuit board under maintenance is often powered off for protection. There is a possibility that it will be too late. The burning of a component due to abnormal temperature may cause the burning of a circuit board, resulting in irreparable losses to subsequent circuit board repairs. Another form of automation method related to batch maintenance of circuit boards is mainly aimed at the welding, three-proof, and fixing processes of circuit board maintenance except for testing. This circuit board maintenance method has little to do with temperature testing and electrical testing.

[0003] The existing methods and defects for circuit board repair are as follows:

[0004] 1. The circuit board maintenance automated test equipment performs batch electrical tests on circuit boards to determine whether the circuit board electrical parameters are abnormal. It does not detect the surface temperature of components. The abnormal surface temperature of components depends on manual detection.

[0005] Its defects are: there are very few automated test equipment for circuit board maintenance, and the only ones that can be used are batch electrical tests on circuit boards, which determine whether the electrical parameters of the circuit boards are abnormal or not, but do not detect the surface temperature of components. Abnormal component temperatures rely on manual detection.

[0006] 2. Circuit board maintenance automation equipment is a device that uses mechanical control to enable circuit board maintenance personnel to operate the circuit board conveniently when the circuit board is not powered.

[0007] 3. Manually inspect the circuit board using a thermal imager to check whether the surface temperature of the circuit board is abnormal.

[0008] Its defects are: manual inspection of circuit boards using thermal imagers has low work efficiency and unstable judgment basis. In addition, when the temperature is abnormal, manual power-off protection of the circuit board is often too late, which can easily cause damage to the circuit board. Summary of the invention

[0009] According to the technical problem raised above, an automatic maintenance method, device and storage medium for locating faulty circuit boards based on temperature are provided. The present invention can quickly identify circuit boards caused by temperature failures during batch circuit board maintenance and locate faulty components.

[0010] The technical means adopted by the present invention are as follows:

[0011] An automatic maintenance method for locating a faulty circuit board based on temperature, comprising:

[0012] Send the repaired circuit board to the automatic repair equipment;

[0013] Provide power to the repair circuit board;

[0014] Send the powered inspection circuit board to the monitoring area;

[0015] Analyze and detect the electrical signals of the circuit board to determine whether there is a fault in the circuit board;

[0016] Monitor the temperature of components on the circuit board under power supply and testing to determine whether the temperature of the circuit board under maintenance is abnormal;

[0017] The circuit boards with abnormal temperatures are located and labeled, and the circuit boards are delivered to different areas according to different situations.

[0018] Furthermore, the circuit boards with abnormal temperature are positioned and labeled, and the circuit boards are delivered to different areas according to different situations, including:

[0019] When it is detected that there is a fault in the electrical signal feedback of the circuit board and no abnormal temperature is found, a fault sticker is attached to the inspection circuit board, and the fault area is entered for manual repair.

[0020] Furthermore, the method of positioning and labeling the repaired circuit boards with abnormal temperature and delivering the repaired circuit boards to different areas according to different situations also includes:

[0021] When a fault is detected in the electrical signal feedback of the circuit board and the temperature is found to be abnormal, a fault sticker is affixed to the circuit board for inspection, and a red sticker is affixed to the position where the temperature of the circuit board is abnormal. The power supply to the circuit board for inspection is immediately stopped, and the circuit board for inspection enters the fault area for manual repair.

[0022] Furthermore, the method of positioning and labeling the repaired circuit boards with abnormal temperature and delivering the repaired circuit boards to different areas according to different situations also includes:

[0023] When no fault is detected in the electrical signal feedback of the circuit board and no abnormal temperature is found, a qualified label is affixed to the repaired circuit board and it enters the qualified area.

[0024] Furthermore, the method of positioning and labeling the repaired circuit boards with abnormal temperature and delivering the repaired circuit boards to different areas according to different situations also includes:

[0025] When no fault is detected in the electrical signal feedback of the maintenance circuit board and an abnormal temperature is found, a suspected fault sticker is affixed to the maintenance circuit board, and the power supply to the maintenance circuit board is immediately stopped. The maintenance circuit board enters the suspected fault area, and the maintenance circuit board is sent back to the automation equipment. When the electrical signal feedback of the maintenance circuit board is not faulty and the temperature is abnormal after two consecutive tests, a fault sticker is affixed to the maintenance circuit board and manual maintenance is performed. If the electrical signal feedback of the maintenance circuit board is not faulty and no abnormal temperature is found after two consecutive tests, a qualified sticker is affixed to the maintenance circuit board and it enters the qualified area.

[0026] The present invention also provides an automatic maintenance device for a faulty circuit board based on temperature positioning, which is implemented based on the automatic maintenance method for a faulty circuit board based on temperature positioning, comprising: a power supply system, a feeding crawler system, an electric eye system, a temperature eye system, and a robotic arm system, wherein:

[0027] The power supply system is used to supply power to the circuit board to be repaired;

[0028] The feeding crawler system is used to feed the powered circuit board into the monitoring area;

[0029] The electric eye system is used to analyze and detect the electrical signal of the circuit board to be repaired, and determine whether there is a fault in the circuit board;

[0030] The temperature eye system is used to monitor the temperature of components of the circuit board to be repaired under power supply and testing conditions, and determine whether the temperature of the circuit board to be repaired is abnormal;

[0031] The robotic arm system is used to locate and label circuit boards to be repaired with abnormal temperatures, and to deliver the repaired circuit boards to different areas according to different situations.

[0032] The present invention also provides a storage medium, which includes a stored program, wherein when the program is run, the automatic repair method for locating a faulty circuit board based on temperature is executed.

[0033] Compared with the prior art, the present invention has the following advantages:

[0034] 1. The present invention provides an automatic maintenance method for faulty circuit boards based on temperature positioning, which can realize temperature positioning faulty circuit boards under automated conditions, detect circuit board faults in advance through temperature sensitivity, expose hidden faults, and avoid circuit board losses in time through rapid power-off control.

[0035] 2. The present invention provides an automatic maintenance method for faulty circuit boards based on temperature positioning. Through an automated process, the efficiency of circuit board maintenance is improved. Automated equipment replaces manual labor to reduce the operating error rate, reduce the probability of failure, and reduce the maintenance cost and operating risk of the train.

[0036] Based on the above reasons, the present invention can be widely promoted in the fields of circuit board repair and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0038] Figure 1 The figure is a flow chart of the method of the present invention.

[0039] Figure 2 This is a structural block diagram of the device of the present invention.

[0040] In the figure: 1. Circuit board inspection; 2. Feeding track and power supply system; 3. Electric eye system; 4. Temperature eye system; 5. Robotic arm system. DETAILED DESCRIPTION

[0041] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0042] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0043] like Figure 1As shown, the present invention provides an automatic maintenance method for locating a faulty circuit board based on temperature, comprising:

[0044] Send the repaired circuit board to the automatic repair equipment;

[0045] Provide power to the repair circuit board;

[0046] Send the powered inspection circuit board to the monitoring area;

[0047] Analyze and detect the electrical signals of the circuit board to determine whether there is a fault in the circuit board;

[0048] Monitor the temperature of components on the circuit board under power supply and testing to determine whether the temperature of the circuit board under maintenance is abnormal;

[0049] The circuit boards with abnormal temperatures are located and labeled, and the circuit boards are delivered to different areas according to different situations.

[0050] In specific implementation, as a preferred embodiment of the present invention, the method of positioning and labeling the repaired circuit boards with abnormal temperature and delivering the repaired circuit boards to different areas according to different situations includes:

[0051] When it is detected that there is a fault in the electrical signal feedback of the circuit board and no abnormal temperature is found, a fault sticker is attached to the inspection circuit board, and the fault area is entered for manual repair.

[0052] In specific implementation, as a preferred embodiment of the present invention, the positioning and labeling of the repaired circuit boards with abnormal temperature, and the delivery of the repaired circuit boards to different areas according to different situations, also includes:

[0053] When a fault is detected in the electrical signal feedback of the circuit board and the temperature is found to be abnormal, a fault sticker is affixed to the circuit board for inspection, and a red sticker is affixed to the position where the temperature of the circuit board is abnormal. The power supply to the circuit board for inspection is immediately stopped, and the circuit board for inspection enters the fault area for manual repair.

[0054] In specific implementation, as a preferred embodiment of the present invention, the positioning and labeling of the repaired circuit boards with abnormal temperature, and the delivery of the repaired circuit boards to different areas according to different situations, also include:

[0055] When no fault is detected in the electrical signal feedback of the circuit board and no abnormal temperature is found, a qualified label is affixed to the repaired circuit board and it enters the qualified area.

[0056] In specific implementation, as a preferred embodiment of the present invention, the positioning and labeling of the repaired circuit boards with abnormal temperature, and the delivery of the repaired circuit boards to different areas according to different situations, also include:

[0057] When no fault is detected in the electrical signal feedback of the maintenance circuit board and an abnormal temperature is found, a suspected fault sticker is affixed to the maintenance circuit board, and the power supply to the maintenance circuit board is immediately stopped. The maintenance circuit board enters the suspected fault area, and the maintenance circuit board is sent back to the automation equipment. When the electrical signal feedback of the maintenance circuit board is not faulty and the temperature is abnormal after two consecutive tests, a fault sticker is affixed to the maintenance circuit board and manual maintenance is performed. If the electrical signal feedback of the maintenance circuit board is not faulty and no abnormal temperature is found after two consecutive tests, a qualified sticker is affixed to the maintenance circuit board and it enters the qualified area.

[0058] In summary, the present invention designs an automatic maintenance method for faulty circuit boards based on temperature positioning. By performing a power supply test on the circuit board, a basic operating status of each component of the circuit board is mastered; the live circuit board passes through the temperature detection area, the surface temperature of the circuit board is identified, the area of ​​the circuit board with abnormal temperature is marked and the temperature is fed back, and the temperature is screened to determine whether to immediately take power-off protection for the circuit board. When the temperature exceeds the tolerance range and tolerance time of the components, the circuit board is forced to be powered off to protect the circuit board from being burned; the circuit boards with temperature faults are identified and classified, and assigned to different workstations for subsequent processing by maintenance personnel.

[0059] Corresponding to the automatic maintenance method for locating a faulty circuit board based on temperature in the present application, the present invention also provides an automatic maintenance device for locating a faulty circuit board based on temperature, including: a power supply system, a feeding crawler system, an electric eye system, a temperature eye system, and a robotic arm system, wherein:

[0060] The power supply system is used to supply power to the circuit board to be repaired;

[0061] The feeding crawler system is used to feed the powered circuit board into the monitoring area;

[0062] The electric eye system is used to analyze and detect the electrical signal of the circuit board to be repaired, and determine whether there is a fault in the circuit board;

[0063] The temperature eye system is used to monitor the temperature of components of the circuit board to be repaired under power supply and testing conditions, and determine whether the temperature of the circuit board to be repaired is abnormal;

[0064] The robotic arm system is used to locate and label circuit boards to be repaired with abnormal temperatures, and to deliver the repaired circuit boards to different areas according to different situations.

[0065] In this embodiment, if Figure 2As shown, part No. 1 is the maintenance circuit board, part No. 2 is the feeding crawler and power supply system, which provides power supply and material flow to the maintenance circuit board; part No. 3 is the electric eye system, which analyzes and detects the electrical signals of the maintenance circuit board to determine whether there is a fault in the maintenance circuit board; part No. 4 is the temperature eye system, which monitors the temperature of components of the maintenance circuit board when it is powered and tested; part No. 5 is the robotic arm system, which locates and labels abnormal temperatures of the maintenance circuit board and delivers the maintenance circuit boards to different areas according to different situations; Area A is the qualified area, Area B is the suspected fault area, and Area C is the fault area.

[0066] As for the embodiments of the present invention, since they correspond to the embodiments above, the description is relatively simple. For the relevant similarities, please refer to the description of the above embodiments, which will not be described in detail here.

[0067] The embodiment of the present application also discloses a computer-readable storage medium, which stores a computer instruction set. When the computer instruction set is executed by a processor, an automatic repair method for locating a faulty circuit board based on temperature as provided in any of the above embodiments is implemented.

[0068] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of the units can be a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0069] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0070] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0071] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic maintenance method for locating faulty circuit boards based on temperature, characterized in that: include: Send the repaired circuit board to the automatic repair equipment; Provide power to the repair circuit board; Send the powered inspection circuit board to the monitoring area; Analyze and detect the electrical signals of the circuit board to determine whether there is a fault in the circuit board; Monitor the temperature of components on the circuit board under power supply and testing to determine whether the temperature of the circuit board under maintenance is abnormal; The circuit boards with abnormal temperatures are located and labeled, and the circuit boards are delivered to different areas according to different situations.

2. The automatic maintenance method for locating a faulty circuit board based on temperature according to claim 1 is characterized in that: The circuit boards with abnormal temperature are positioned and labeled, and the circuit boards are delivered to different areas according to different situations, including: When it is detected that there is a fault in the electrical signal feedback of the circuit board and no abnormal temperature is found, a fault sticker is attached to the inspection circuit board, and the fault area is entered for manual repair.

3. The automatic maintenance method for locating a faulty circuit board based on temperature according to claim 1, characterized in that: The method of positioning and labeling the repaired circuit boards with abnormal temperature and delivering the repaired circuit boards to different areas according to different situations also includes: When a fault is detected in the electrical signal feedback of the circuit board and the temperature is found to be abnormal, a fault sticker is affixed to the circuit board for inspection, and a red sticker is affixed to the position where the temperature of the circuit board is abnormal. The power supply to the circuit board for inspection is immediately stopped, and the circuit board for inspection enters the fault area for manual repair.

4. The automatic maintenance method for locating a faulty circuit board based on temperature according to claim 1 is characterized in that: The method of positioning and labeling the repaired circuit boards with abnormal temperature and delivering the repaired circuit boards to different areas according to different situations also includes: When no fault is detected in the electrical signal feedback of the circuit board and no abnormal temperature is found, a qualified label is affixed to the repaired circuit board and it enters the qualified area.

5. The automatic maintenance method for locating a faulty circuit board based on temperature according to claim 1, characterized in that: The method of positioning and labeling the repaired circuit boards with abnormal temperature and delivering the repaired circuit boards to different areas according to different situations also includes: When no fault is detected in the electrical signal feedback of the maintenance circuit board and an abnormal temperature is found, a suspected fault sticker is affixed to the maintenance circuit board, and the power supply to the maintenance circuit board is immediately stopped. The maintenance circuit board enters the suspected fault area, and the maintenance circuit board is sent back to the automation equipment. When the electrical signal feedback of the maintenance circuit board is not faulty and the temperature is abnormal after two consecutive tests, a fault sticker is affixed to the maintenance circuit board and manual maintenance is performed. If the electrical signal feedback of the maintenance circuit board is not faulty and no abnormal temperature is found after two consecutive tests, a qualified sticker is affixed to the maintenance circuit board and it enters the qualified area.

6. An automatic maintenance device for locating a faulty circuit board based on temperature, implemented based on the automatic maintenance method for locating a faulty circuit board based on temperature as claimed in any one of claims 1 to 5, characterized in that: include: Power supply system, feeding crawler system, electric eye system, temperature eye system, robotic arm system, among which, The power supply system is used to supply power to the circuit board to be repaired; The feeding crawler system is used to feed the powered circuit board into the monitoring area; The electric eye system is used to analyze and detect the electrical signal of the circuit board to be repaired, and determine whether there is a fault in the circuit board; The temperature eye system is used to monitor the temperature of components of the circuit board to be repaired under power supply and testing conditions, and determine whether the temperature of the circuit board to be repaired is abnormal; The robotic arm system is used to locate and label circuit boards to be repaired with abnormal temperatures, and to deliver the repaired circuit boards to different areas according to different situations.

7. A storage medium, characterized in that: The storage medium includes a stored program, wherein when the program is run, the method according to any one of claims 1 to 5 is executed.

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