Electronic device fault maintenance method and system

Abstract

The application provides an electronic equipment fault maintenance method and system. For the maintenance fault phenomenon of the electronic equipment, element parameters, voltage, current, diode value, waveform, time sequence, logical relationship and other data information are collected. Then, the fault phenomenon, the collected data information and the fault element are matched, a data model is established, the fault electronic equipment is measured and compared through the data modeling, the parameters of the abnormal points are found out, the fault position is determined, and a basis for the maintenance of the fault is established, so that the problem can be found out and the fault can be solved conveniently and quickly.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of electronic equipment maintenance, in particular to an electronic equipment fault maintenance method and system. BACKGROUND

[0002] In the field of electronic equipment maintenance, the electronic equipment with faults is generally repaired by resistance method, current method, voltage method and the like. These methods are simple, effective, fast and convenient.

[0003] However, there is a problem that the specific fault component position cannot be determined under the premise of lacking repair experience for the measured abnormal parameters. Both beginners and repair experts will face such a problem. The root cause of this problem is that: no correct model is established for the fault, and the correctness of the measured parameters cannot be determined; no model is established for the fault data, and finally the fault cannot be solved.

[0004] Therefore, an electronic equipment fault maintenance method and system are needed to solve the problem that the existing electronic equipment maintenance has no fault data model, resulting in difficult-to-solve faults. SUMMARY

[0005] The purpose of the present application is to provide an electronic equipment fault maintenance method and system to solve the problem that the existing electronic equipment maintenance has no fault data model, resulting in difficult-to-solve faults.

[0006] To achieve the above purpose, the present application provides the following solutions.

[0007] The present application provides an electronic equipment fault maintenance method, comprising the following steps:

[0008] S1. Establishing a fault model according to the fault information of a known electronic equipment;

[0009] S2. Matching the fault problem of the electronic equipment to be repaired with the fault model to obtain repair information;

[0010] S3. Repairing the electronic equipment to be repaired according to the repair information.

[0011] Preferably, step S1 is specifically:

[0012] S11. Obtaining the circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram information of the electronic equipment;

[0013] S12. Displaying the circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram information of the electronic equipment in the client, and making them establish a corresponding relationship;

[0014] S13. Measure and collect the circuit schematic diagram, element position distribution diagram, functional circuit block diagram and logic timing diagram information of the electronic device in the client, and input the information into the server;

[0015] S14. Collect the fault phenomenon and fault case of the electronic device, and input the information into the server;

[0016] S15. The server analyzes the data and establishes a fault model.

[0017] Preferably, the information obtained in step S11 includes: element symbol, element parameter, element position parameter, associated data, pad information, PCB layer wiring, circuit annotation, circuit node, circuit power supply, control signal, transmission signal, bus.

[0018] Preferably, the information acquisition method includes: obtaining information of the electronic device through public information, obtaining information of the electronic device through the PCB mainboard using a measuring device, and obtaining information of the electronic device through layering processing to generate pictures.

[0019] Preferably, the measurement in step S13 specifically includes voltage, current, diode value, waveform, timing, and logic relationship of the corresponding circuit of the electronic device.

[0020] Preferably, the fault phenomenon and fault case in step S14 include product parameters, fault damage reason information, fault damage element information, and fault repair method information.

[0021] Preferably, the data input into the server is encrypted.

[0022] Preferably, step S2 specifically includes: inputting the model, fault damage reason, fault damage information, and measured parameters of the faulty electronic device into the client, uploading the data to the server for comparison, and displaying the fault circuit, involved elements, and data information that need to be measured and compared by calling the data of the server.

[0023] The application also provides an electronic device fault maintenance system, which comprises a client and a server.

[0024] The application has the following beneficial technical effects compared with the prior art:

[0025] The electronic equipment fault maintenance method and system provided by the application are used for collecting element parameters, voltage, current, diode value, waveform, time sequence, logical relationship and other data information in view of electronic equipment maintenance fault phenomena, matching the fault phenomena, collected data information and fault elements, establishing a data model, measuring and comparing the fault electronic equipment through data modeling, finding out the parameters of abnormal points, determining the fault parts, and establishing a basis for fault maintenance, so that the problems can be found out and solved quickly and conveniently. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0027] The application aims to provide an electronic equipment fault maintenance method and system to solve the problem that the existing electronic equipment maintenance has no fault data model, resulting in difficult fault solving.

[0028] To make the above-mentioned purposes, features and advantages of the application more obvious and easy to understand, the application will be further described in detail below with reference to the specific embodiments. EMBODIMENT

[0029] The embodiment provides an electronic equipment fault maintenance method, which comprises the following steps:

[0030] S1. Establishing a fault model according to known electronic equipment fault information;

[0031] S2. Matching the fault problem of the electronic equipment to be maintained with the fault model to obtain maintenance information; inputting the model, fault damage reason, fault damage information and measured parameters of the fault electronic equipment into the client, uploading the data to the server for comparison, and displaying the fault circuit, involved elements and data information to be measured and compared by the client through calling the data of the server;

[0032] The data called by the server can be divided into accurate data and approximate data, the accurate data is all data completely consistent with the data input by the system client, and the approximate data is part of the data consistent or approximate with the data input by the system client;

[0033] S3. Maintaining the electronic equipment to be maintained according to the maintenance information.

[0034] Specifically, step S1 is:

[0035] S11. Obtain the circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram information of the electronic device;

[0036] The obtained information includes: component symbol, component parameter, component position parameter, associated data, pad information, PCB layer wiring, circuit annotation, circuit node, circuit power supply, control signal, transmission signal, bus;

[0037] The main ways of information acquisition are:

[0038] a. Obtain relevant information through publicly provided circuit schematic diagram, component position distribution diagram, functional circuit block diagram, logic timing diagram, etc.

[0039] b. Obtain relevant information such as circuit schematic diagram, component position distribution diagram, functional circuit block diagram, logic timing diagram through the PCB mainboard of the electronic device, and through the use of multimeter, flying probe tester, needle bed and other equipment;

[0040] c. Obtain relevant information such as circuit schematic diagram, component position distribution diagram, functional circuit block diagram, logic timing diagram by layering the PCB mainboard of the electronic device to generate pictures;

[0041] S12. Display the circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram information of the electronic device in the client, and establish a corresponding relationship;

[0042] According to the requirements, set up different window displays, which can be single window display for easy searching of details, or multiple window display to display different contents such as circuit schematic diagram, component distribution diagram, functional circuit block diagram, logic timing diagram, etc. When multiple window display is used, the associated information of the multiple window display content should be displayed;

[0043] Establish a corresponding association, that is, when any component in the circuit schematic diagram in the system client is selected, all components connected to it can be displayed in the corresponding component position distribution diagram, functional circuit block diagram, logic timing diagram in the system client, and all information of the component can be displayed, including component parameters, voltage, current, diode value, waveform, timing, logic relationship, etc. and failure phenomena after damage, etc.

[0044] Similarly, when any component in the component position distribution diagram in the system client is selected, all components connected to it can be displayed in the corresponding circuit schematic diagram, functional circuit block diagram, logic timing diagram in the system, and all information of the component can be displayed, including component parameters, voltage, current, diode value, waveform, timing, logic relationship, etc. and failure phenomena after damage, etc.

[0045] S13. Measure and collect the circuit schematic diagram, element position distribution map, functional circuit block diagram and logic timing diagram information of the electronic device in the client, and input the server end;

[0046] The measurement specifically includes voltage, current, diode value, waveform, timing, and logic relationship of the corresponding circuit of the electronic device, so as to determine the corresponding faulty element;

[0047] S14. Collect the fault phenomenon and fault case of the electronic device, and input the server end;

[0048] The fault phenomenon and fault case can include:

[0049] a. Product parameters: brand, model, version, etc.;

[0050] b. Fault damage reason information: water ingress, damage, product design problem, normal use, etc.;

[0051] c. Faulty component information: component parameters, component location parameters, component function circuit, etc.;

[0052] d. Fault repair method information: replacement of components, repair welding, fly line, upgrade, debugging, etc.;

[0053] The fault case can be a past repair case, or a repair case provided by a peer, etc.

[0054] S15. The server end analyzes the data to establish a fault model.

[0055] The data input into the server end is encrypted.

[0056] The embodiment also provides an electronic device fault repair system, which includes a client and a server end, the client and the server end establish communication, and the server end stores the above-mentioned electronic device fault repair method.

[0057] Taking the fault repair of iPhone 7 mobile phone as an example: the iPhone 7 mobile phone has no backlight after water ingress, and the resistance value of 37 pins of J4502 to ground is infinite; At this time, the client can input data information such as iPhone 7, water ingress, no backlight, etc. The data information is uploaded to the server end, compared with the data in the server end fault model, and the client displays the fault range, the possible damaged fault elements, and the related data information of the suspected fault elements. As long as the repair is carried out according to the client prompt, the fault can be quickly eliminated.

[0058] The principles and implementation manners of the present application are described by using specific examples, and the above examples are only used to help understand the method of the present application and its core idea; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation manners and application ranges will be changed. In conclusion, the content of the specification should not be understood as a limitation of the present application.

Claims

1. An electronic device troubleshooting method, characterized by: It comprises the following steps: S1. Establishing a fault model according to the fault information of the known electronic device; specifically: S11. Obtaining the circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram information of the electronic device; The information includes: component symbol, component parameter, component position parameter, associated data, pad information, PCB layer wiring, circuit annotation, circuit node, circuit power supply, control signal, transmission signal, bus; The information acquisition method includes: a. Obtain relevant information through the publicly provided circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram; b. Obtain relevant information of the circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram through the PCB mainboard of the electronic device using a multimeter, a flying probe tester and a needle bed device; c. Obtain relevant information of the circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram by layering the PCB mainboard of the electronic device to generate pictures; S12. Displaying the circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram information of the electronic device in the client and establishing a corresponding relationship; specifically: According to the requirements, different windows are set to display, which can be single-window display for easy searching of details, or multi-window display to display the contents of the circuit schematic diagram, component distribution diagram, functional circuit block diagram and logic timing diagram. When multiple windows are displayed, the associated information of the multi-window display content is displayed; Establishing a corresponding association relationship specifically means that when any component in the circuit schematic diagram in the system client is selected, all components connected thereto can be displayed in the corresponding component position distribution diagram, functional circuit block diagram and logic timing diagram in the system client, and all information of the component can be displayed, including component parameters, voltage, current, diode value, waveform, timing, logic relationship and failure phenomenon after damage; When any component in the component position distribution diagram in the system client is selected, all components connected thereto can be displayed in the corresponding circuit schematic diagram, functional circuit block diagram and logic timing diagram in the system client, and all information of the component can be displayed, including component parameters, voltage, current, diode value, waveform, timing, logic relationship and failure phenomenon after damage; S13. Measuring and collecting the circuit schematic diagram, component position distribution diagram, functional circuit block diagram and logic timing diagram information of the electronic device in the client and inputting them into the server; the measurement specifically includes voltage, current, diode value, waveform, timing and logic relationship of the corresponding circuit of the electronic device; S14. Collecting the failure phenomenon and failure case of the electronic device and inputting them into the server; the failure phenomenon and failure case include product parameters, failure damage reason information, failure damage component information and failure repair method information; S15. The server analyzes the input data and establishes a fault model, and simultaneously performs encryption processing; S2. Match the fault problem of the electronic device to be repaired with the fault model to obtain repair information; specifically, input the model, fault damage reason, fault damage information, and measured parameters of the faulty electronic device into the client, upload the data to the server for comparison, and display the fault circuit, elements involved in the fault, and data information that needs to be measured and compared by calling the data of the server; S3. Repair the electronic device to be repaired according to the repair information.

2. An electronic equipment troubleshooting system, characterized by: The client and the server are connected, the server stores the electronic device fault repair method of claim 1.