Wearable portable maintenance device and online test diagnosis maintenance method

Abstract

The application is suitable for the technical field of equipment maintenance, and provides a wearable portable maintenance device and an online test and diagnosis maintenance method. The device comprises a wearable helmet and a handheld test and diagnosis unit; the wearable helmet comprises a main control circuit module; the handheld test and diagnosis unit comprises a test platform and a test interface circuit; the test platform is connected with the test interface circuit and the main control circuit module respectively; the test platform is used for receiving test data and sending control instructions; the test data is used for fault positioning of the measured electronic equipment; the control instructions are used for controlling the main control circuit module to collect audio and video signals of a maintenance site and send the audio and video signals to an equipment maintenance information center, and are also used for controlling the main control circuit module to transmit the collected audio and video signals back to the test platform for storage and playback. The application can simplify the test and diagnosis task, improve the test efficiency, reduce the guarantee cost, provide remote technical support, and solve the problem of insufficient maintenance ability of equipment maintenance personnel.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of equipment maintenance, and particularly relates to a wearable portable maintenance device and an online test and diagnosis maintenance method. BACKGROUND

[0002] The new device is a high-tech device integrating multiple disciplines such as electronics, computers, machinery, hydraulics and control, and has advanced performance and complex structure. The new device has high intelligence, and internal electronic devices of the device are connected in a networked structure, are connected to a CAN bus network through a CAN bus interface circuit, and complete system unit information transmission and state online monitoring. Therefore, it is difficult to maintain and support the device, and the task is heavy.

[0003] In recent years, with the increase of some targeted training and field practice tasks, the device needs to be used in the field for a long time, which puts forward higher requirements on the equipment maintenance ability of the grassroots equipment maintenance personnel. At present, the grassroots users have problems such as insufficient maintenance ability, serious dependence on maintenance test experience of maintenance personnel, no matching maintenance equipment, high maintenance cost, lack of remote technical support and the like for the rescue and maintenance of the new device. SUMMARY

[0004] To overcome the problems in the related art, the embodiments of the application provide a wearable portable maintenance device and an online test and diagnosis maintenance method, which can simplify the task amount of test and diagnosis, improve the efficiency of test and diagnosis, reduce the support cost, solve the problem of insufficient maintenance ability of equipment maintenance personnel, and provide remote technical support.

[0005] The application is implemented by the following technical solutions:

[0006] In a first aspect, the embodiments of the application provide a wearable portable maintenance device, which comprises a wearable helmet and a handheld test and diagnosis unit.

[0007] The wearable helmet comprises a main control circuit module.

[0008] The handheld test and diagnosis unit comprises a test platform and a test interface circuit; the test platform is connected with the test interface circuit.

[0009] The main control circuit module is connected with the test platform in a plug-and-play manner through a USB; the test platform is used for receiving test data and sending control instructions; the test data is used for fault positioning of a measured electronic device; the control instructions are used for controlling the main control circuit module to collect audio and video signals of a maintenance site and send the audio and video signals to a device maintenance information center, and are also used for controlling the main control circuit module to transmit the collected audio and video signals back to the test platform for storage and playback.

[0010] In an embodiment, the audio and video signal comprises an audio signal and a video signal.

[0011] The wearable helmet further comprises a 4G communication module, a camera and a microphone; the 4G communication module, the camera and the microphone are connected with the main control circuit module;

[0012] The main control circuit module is further configured to control the camera to collect a video signal of the maintenance site and control the microphone to collect an audio signal of the maintenance site, and control the 4G communication module to transmit the video signal and the audio signal to the equipment maintenance information center.

[0013] In an embodiment, the test platform comprises a host computer and an embedded digital test module; the test interface circuit comprises an interface controller, a general test interface circuit and a special test interface circuit;

[0014] The host computer is connected with the interface controller through a USB; the interface controller is connected with the general test interface circuit and the special test interface circuit respectively;

[0015] The general test interface circuit is connected with the embedded digital test module; the embedded digital test module is configured to output measurement data;

[0016] The special test interface circuit is connected with the electronic equipment under test.

[0017] In an embodiment, the embedded digital test module comprises a digital multimeter module and a digital oscilloscope module.

[0018] In an embodiment, the general test interface circuit is a reconfigurable test interface, comprising an FPGA and an analog matrix switch;

[0019] The FPGA is configured to complete the logic control of the analog matrix switch and communicate with the interface controller; the FPGA comprises a matrix switch interface control logic module and a serial communication logic module; the matrix switch interface control logic module is configured to be connected with the analog matrix switch; the serial communication logic module is configured to perform serial communication with the interface controller;

[0020] The analog matrix switch serves as a signal channel hub of automatic testing, and is configured to provide an interface for the embedded digital test module and the electronic equipment under test.

[0021] In an embodiment, the special test interface circuit comprises a USB interface, a CAN interface, a peripheral circuit and a power supply circuit;

[0022] The USB interface is configured to connect the interface controller and the host computer; the CAN interface is configured to connect the interface controller and the electronic equipment under test; the peripheral circuit comprises a JTAG circuit and a crystal oscillator circuit; the JTAG circuit and the crystal oscillator circuit are connected with the interface controller respectively; the power supply circuit is configured to be connected with a power supply, and provide a driving source for the special test interface circuit.

[0023] In an embodiment, the wearable helmet further comprises a lighting lamp.

[0024] In an embodiment, the test platform further comprises a memory; the memory stores an integrated database;

[0025] The integrated database is used for storing analysis data of integrated support software built in the host computer;

[0026] The memory is connected with the embedded digital test module; the integrated database is further used for storing fault detection data output by the embedded digital test module.

[0027] In a second aspect, an embodiment of the present application provides an online test diagnosis and maintenance method, which is implemented by using the wearable portable maintenance device as in the first aspect, and comprises the following steps:

[0028] Collecting online state information of each electronic device;

[0029] Analyzing and diagnosing the online state information of each electronic device, and locating the corresponding fault electronic device according to the result of analysis and diagnosis;

[0030] Using the test platform to perform online test on the electric signal of the fault electronic device, and automatically generating fault diagnosis guidance and maintenance strategy support; the fault diagnosis guidance is used for locating the fault to the field replaceable unit; the maintenance strategy support is used for querying the device structure principle and operation and maintenance data through the maintenance information integrated query module, and assisting in completing the replacement and maintenance of the electronic device.

[0031] In an embodiment, before collecting the online state information of each electronic device, the online test diagnosis and maintenance method further comprises: connecting a CAN bus interface on the measured electronic device through a CAN interface in a special test interface circuit;

[0032] Before using the test platform to perform online test on the electric signal of the fault electronic device, the online test diagnosis and maintenance method further comprises: connecting the general test interface to the test port of the fault electronic device, and accessing the corresponding test signal through the configuration of the general test interface.

[0033] Compared with the prior art, the embodiment of the present application has the following beneficial effects:

[0034] The wearable portable maintenance device provided by the embodiment of the present application has a structure of a wearable helmet and a handheld test and diagnosis unit, and is based on a test interface circuit, so that the maintenance device is small in size, convenient to carry, and flexible to operate, and the problem that the maintenance device is difficult to use and operate in a narrow space is solved. The online test and diagnosis maintenance method makes full use of the information transmission characteristics of the new electronic device, reads the state information of the new electronic device by using the wearable portable maintenance device, preliminarily locates the fault electronic device, then performs online test and fault location on the located fault electronic device, can refer to the device technical data provided by the maintenance device, and completes the on-site replacement unit maintenance under the audio and video assistance of the device maintenance information center, so that the task amount of test and diagnosis is greatly simplified, the efficiency of test and diagnosis is improved, the support cost is reduced, and the problem of insufficient maintenance ability of the device maintenance personnel is solved.

[0035] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and are not limiting to the present specification. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0037] Figure 1 is an application scenario diagram of the wearable portable maintenance device provided by an embodiment of the present application;

[0038] Figure 2 is a structure diagram of the wearable portable maintenance device provided by an embodiment of the present application;

[0039] Figure 3 is a structure diagram of a general test interface circuit provided by an embodiment of the present application;

[0040] Figure 4 is a structure diagram of a special test interface circuit provided by an embodiment of the present application;

[0041] Figure 5 is an application mode diagram of the wearable portable maintenance device provided by an embodiment of the present application;

[0042] Figure 6 is a flow diagram of an online test and diagnosis maintenance method provided by an embodiment of the present application;

[0043] Figure 7 is a structure diagram of a controller provided by an embodiment of the present application. DETAILED DESCRIPTION

[0044] In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular architectures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application can be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known methods, devices, circuits, and

[0045] It will be understood that the terms "comprises" and / or "comprising," when used in this specification, include the presence of one or more features, integers, steps, operations, elements, and / or components but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0046] It will be understood that the term "and / or," when used in the specification and in the following claims, is intended to mean one or more of the associated listed items can be present, and, if not present, are not excluded.

[0047] As used in this specification and claims, the terms "if", "for example", and "as an example” indicate conditional relationships for a particular normative context. That is, they are not substantial limitations that sit at the very core of the technical disclosure. Stated in other words, they are used by the Applicant, and one skilled in the art, to make their position clear as to which of the concepts described by the applicant the patent applicant believes are actually possible, and which are merely examples.

[0048] In addition, the terms "first", "second", "third", etc. as used in the description of embodiments herein and in the claims that follow are used for purposes of differentiation only and are not meant to or used to indicate or imply relative importance.

[0049] Reference throughout this specification to "one embodiment", "an embodiment", or "a specific embodiment", means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, appearances of the phrases "in one embodiment", "in an embodiment", "in some embodiments", "in other embodiments", etc. are not necessarily all referring to the same embodiment, unless otherwise indicated by the context. The terms "including", "containing", "comprising", and similar terms are meant to be open-ended. That is, when the terms are used, the specification is meant to encompass the addition of one or more integers, features, steps, operations, elements, components, and / or groups thereof, but not the exclusion of any of the same.

[0050] In order to solve the problems of the new equipment, such as insufficient maintenance ability of the base layer user, serious dependence on maintenance experience of the maintenance personnel, no supporting maintenance equipment, high maintenance cost, lack of remote technical support and the like, in the maintenance work, the following maintenance support conditions need to be provided for the maintenance personnel: (1) on-line test and fault diagnosis of the equipment maintenance site. Due to the small space in the cabin of the new equipment, large test and diagnosis equipment is difficult to use and operate, so small and portable maintenance equipment is needed to perform on-line test and fault diagnosis on the faulty electronic equipment, so that the maintenance personnel can complete the complex maintenance task with the support of the maintenance equipment instead of relying on simple maintenance experience. (2) Maintenance technical data query. The technical data in the maintenance process is digitized and electrified, and visual and diversified information is provided to the maintenance personnel in the maintenance process to assist maintenance, so that thick technical data does not need to be carried and consulted in the maintenance process, thereby improving the maintenance efficiency and shortening the support time. (3) Remote maintenance technical support. In the face of difficult problems that the on-site maintenance personnel cannot solve, the on-site audio and video can be transmitted to the remote maintenance resource center through the communication network to obtain remote maintenance support.

[0051] The application will be further described in detail in combination with the drawings and specific embodiments.

[0052] Figure 1 is an application scene schematic diagram of the wearable portable maintenance equipment provided by an embodiment of the application, referring to Figure 1 Under the field conditions, by adopting the structure form of "wearable helmet 100 + handheld test and diagnosis unit 200", a general interface is designed based on the reconfigurable technology, so that the maintenance equipment is small in size, convenient to carry and flexible to operate, and the problem that the maintenance equipment is difficult to use and operate in the narrow space of the use site is solved. The information transmission characteristics of the new electronic equipment 300 are fully utilized, and a two-step on-line test and diagnosis maintenance strategy is adopted: the state information of each electronic equipment of the CAN bus network of the new equipment is read by using the special test interface to preliminarily locate the faulty electronic equipment, then the on-line test and board-level fault location of the located faulty electronic equipment are performed by using the general interface, and the equipment technical data provided by the maintenance equipment can be consulted to complete the on-site replaceable unit maintenance. Therefore, the task amount of the test and diagnosis is greatly simplified, the efficiency of the test and diagnosis is improved, the support cost is reduced, and the problem of insufficient maintenance ability of the equipment maintenance personnel is solved. For the difficult problems that cannot be solved by the on-site maintenance, the maintenance personnel can also obtain the remote technical support of the equipment maintenance center 400 through the maintenance equipment, the problem of insufficient maintenance ability of the equipment maintenance personnel is solved, and the above maintenance support conditions provided for the maintenance personnel under the field conditions are met.

[0053] Figure 2 is a structure schematic diagram of the wearable portable maintenance equipment provided by an embodiment of the application, referring to Figure 2The wearable portable maintenance device is described in detail as follows:

[0054] The wearable portable maintenance device can be used in field conditions, and comprises a wearable helmet and a handheld test diagnosis unit.

[0055] The wearable helmet comprises a master control circuit module.

[0056] Exemplarily, the wearable helmet is integrally provided with a helmet structure body, and the master control circuit module is integrated inside the helmet structure body.

[0057] The handheld test diagnosis unit comprises a test platform and a test interface circuit; the test platform is connected with the test interface circuit.

[0058] The master control circuit module is connected with the test platform through USB in a plug-and-play manner; the test platform is used for receiving test data through the test interface circuit and sending control instructions to the master control circuit module; the test data is used for fault positioning of a to-be-tested electronic device (i.e. a new electronic device); the control instructions are used for controlling the master control circuit module to collect audio and video signals of a maintenance site and send the audio and video signals to a device maintenance information center, and are also used for controlling the master control circuit module to transmit the collected audio and video signals back to the test platform for storage and playback.

[0059] Exemplarily, the handheld test diagnosis unit can be in the form of a handheld tablet all-in-one machine; the handheld test diagnosis unit is connected with the wearable helmet through USB in a plug-and-play manner; and the handheld test diagnosis unit can realize control of the helmet part to complete collection and wireless sending of audio and video signals, and can also control transmission of the collected audio and video signals back to the all-in-one machine for storage and playback.

[0060] The wearable portable maintenance device of the embodiment adopts the structural form of "wearable helmet + handheld test diagnosis unit", and based on the test interface circuit, the maintenance device has a small size, is convenient to carry, and is flexible to operate, thereby solving the problem that the maintenance device is difficult to use and operate in a narrow space in a use site. The online test diagnosis maintenance method fully utilizes information transmission characteristics of a new electronic device, reads state information of the new electronic device by using the wearable portable maintenance device, preliminarily positions a fault electronic device, then performs online test and fault positioning on the positioned fault electronic device, can consult device technical data provided by the maintenance device, and completes on-site replaceable unit maintenance under the audio and video assistance of a device maintenance information center, thereby greatly simplifying a test diagnosis task amount, improving test diagnosis efficiency, reducing support cost, and solving the problem of insufficient maintenance ability of device maintenance personnel.

[0061] In an embodiment, the wearable helmet is an embedded system with the master circuit module as the core, and further includes a 4G communication module, a camera and a microphone. The 4G communication module, the camera and the microphone are connected to the master circuit module.

[0062] The model of the master circuit module can be selected as an ARM Cortex A7 CPU V3S chip.

[0063] The master circuit module is further configured to control the camera to collect a video signal of a maintenance site and control the microphone to collect an audio signal of the maintenance site, and control the 4G communication module to transmit the video signal and the audio signal to a device maintenance information center. The audio and video signals include the audio signal and the video signal.

[0064] In an example, the wearable helmet further includes a lighting lamp to provide a light source for the camera and to enable testing at night.

[0065] In an example, the wearable helmet uses embedded technology, 4G wireless network communication technology and wearable technology in design, and the audio and video collection and transmission hardware is fixed on the helmet to facilitate operation in a small space, and to achieve portability and flexibility. Meanwhile, the wearable helmet greatly liberates the hands of maintenance staff, so that the maintenance personnel can not only contact with the outside world, but also pay attention to the situation of the maintenance site, and the hands are not hindered by the maintenance work.

[0066] In an embodiment, the handheld test and diagnosis unit is a virtual instrument test system with a tablet all-in-one machine as the core, and the test platform includes a host computer and an embedded digital test module. The test interface circuit includes an interface controller, a general test interface circuit and a special test interface circuit.

[0067] In an example, the tablet all-in-one machine can be a PXI (PCI extensions for Instrumentation) ruggedized tablet all-in-one machine, which is composed of a test platform based on a PXI bus and a test interface circuit. The test interface circuit adopts a combination of "special + general", including a reconfigurable general test interface circuit based on FPGA (Field Programmable Gate Array) and a special test interface circuit based on CAN network.

[0068] The host computer is connected to the interface controller through a USB; and the interface controller is connected to the general test interface circuit and the special test interface circuit respectively.

[0069] The general test interface circuit is connected with the embedded digital test module; the embedded digital test module is used for outputting measurement data; and the special test interface circuit is connected with the electronic device under test. The embedded digital test module comprises a digital multimeter module and a digital oscilloscope module.

[0070] For example, the PXI bus-based test platform takes a PXI-A3231 PXI rugged flat panel all-in-one machine as the core, is equipped with a PXI-4065 digital multimeter module and a PXI-5114 digital oscilloscope module of the NI company, and the two kinds of embedded digital test modules can meet the test needs of general electronic device signals in terms of test signal bandwidth and amplitude, have test signal overvoltage protection and alarm functions, and can conveniently measure, display and store the signal waveforms and parameters of the electronic device under test.

[0071] In an embodiment, the functions and structures of the special test interface circuit and the general test interface circuit are introduced.

[0072] For example, the general test interface circuit is a reconfigurable test interface, which comprises an FPGA and an analog matrix switch, as shown in Figure 3 .

[0073] The FPGA is used for completing the logic control of the analog matrix switch and communicating with the interface controller; the FPGA comprises a matrix switch interface control logic module and a serial communication logic module; the matrix switch interface control logic module is connected with the analog matrix switch; and the serial communication logic module is used for serial communication with the interface controller. The analog matrix switch serves as a signal channel hub of automatic testing, is used for providing an interface for the embedded digital test module and the electronic device under test, and makes the general test interface circuit connected with the electronic device under test.

[0074] The model of the interface controller can be selected as STM32F105RBT6, and the serial communication logic module for communicating with the interface controller can be designed and realized by using a Verilog HDL hardware description language. The model of the analog matrix switch can be selected as MT8816 array, the MT8816 array provides an interface between the test resource and the test connection point of the electronic device under test, realizes the on-off and routing of a signal path, and is a signal channel hub of automatic testing.

[0075] For example, the general test interface circuit further comprises a peripheral system circuit. The peripheral system circuit can comprise a crystal oscillator, a clock, a reset circuit and the like, so that the general test interface circuit constitutes a single-chip microcomputer system.

[0076] The general test interface circuit is a reconfigurable general test interface based on FPGA. Because the tested electronic devices are different, the test port input lines are many, and the test resources are limited. Meanwhile, when the test interface is designed, the test interface is required to be small in size, high in integration, and flexible in configuration. Therefore, the reconfigurable general test interface is designed by using the static reconfigurable technology based on FPGA. Without changing the hardware connection, the reconfigurable general test interface can be flexibly selected to access any terminal of the tested electronic device by modifying the configuration file, and output to the digital oscilloscope and the multimeter for measurement and display, thereby improving the flexibility and universality of the test interface.

[0077] For example, the special test interface circuit includes a USB interface, a CAN interface, a peripheral circuit, and a power supply circuit, as shown in Figure 4 .

[0078] The USB interface is used for connecting the interface controller and the host computer; the CAN interface is used for connecting the interface controller and the CAN network of the tested electronic device; the peripheral circuit includes a JTAG (Joint Test Action Group) circuit and a crystal oscillator circuit; the JTAG circuit and the crystal oscillator circuit are connected with the interface controller respectively; the JTAG circuit is used for the boundary scan test of the interface controller and the online programming of the programmable chip, and the crystal oscillator circuit is used for providing a stable clock signal for the interface controller; and the power supply circuit is used for connecting with the power supply to provide a driving source for the interface of the special test interface circuit.

[0079] For example, the interface controller mainly controls the special test interface circuit and is mainly responsible for data transmission and reception and protocol conversion. The interface controller integrates a CAN bus controller, so only a CAN transceiver is needed to realize the conversion of the logic signal level, and the interface circuit converts the CAN bus data into a unified data format. The interface controller is connected with the tablet computer of the host computer PXI-A3231 by using the USB bus, and the data transmission between the USB port of the host computer and the serial port of the lower computer STM32F105RCT6 can be realized by using the USB-to-serial chip CH340. The ARM processor USB bus sends the CAN message information to the tablet computer of the host computer PXI-A3231.

[0080] In an embodiment, the test platform further includes a memory; the memory stores a comprehensive database, as shown in Figure 5 . The comprehensive database is used for storing the analysis data of the comprehensive support software built in the host computer.

[0081] The memory is connected with the embedded digital test module; and the comprehensive database is further used for storing the fault detection data output by the embedded digital test module.

[0082] The test platform is provided with a built-in comprehensive support software in the host computer, which includes device online state information analysis and diagnosis software, embedded instrument test software, diagnosis and maintenance strategy automatic generation software, maintenance information comprehensive query software, remote technical support software and the like. The comprehensive database is provided with a user database, an IETM (Interactive Electronic Technical Manual) database, an expert knowledge base and a fault detection database and the like. Through the software and various databases, the functions of field test diagnosis, maintenance task and operation process guidance of the new electronic device are conveniently realized.

[0083] The wearable portable maintenance device of the embodiment solves the problem that the maintenance device is difficult to use and operate in a narrow space in the use field by using the structure of "wearable helmet + handheld test and diagnosis unit" and based on the test interface circuit, so that the maintenance device is small in size, convenient to carry and flexible to operate. The online test and diagnosis and maintenance method makes full use of the information transmission characteristics of the new electronic device, reads the state information of each electronic device of the CAN bus network of the new device through the special test interface of the wearable portable maintenance device, preliminarily locates the fault electronic device, then performs online test and fault location on the located fault electronic device through the general test interface, and can consult the device technical data provided by the maintenance device, and completes the field replaceable unit maintenance under the audio and video assistance of the device maintenance information center, so that the task amount of test and diagnosis is greatly simplified, the test and diagnosis efficiency is improved, the support cost is reduced, and the problem of insufficient maintenance ability of the device maintenance personnel is solved.

[0084] In an embodiment, referring to Figure 6 In a second aspect, the embodiment of the present application provides an online test and diagnosis and maintenance method, which is implemented by using the wearable portable maintenance device of the first aspect, and includes the following steps.

[0085] In step 201, the online state information of each electronic device is collected.

[0086] In step 202, the online state information of each electronic device is analyzed and diagnosed, and the corresponding fault electronic device is located according to the analysis and diagnosis result.

[0087] In step 203, the test platform is used to perform online test on the electric signal of the fault electronic device, and automatically generates fault diagnosis guidance and maintenance strategy support.

[0088] The fault diagnosis guidance is used to locate the fault to the field replaceable unit, and the maintenance strategy support is used to query the device structure principle and operation and maintenance data through the maintenance information comprehensive query module, so as to assist in completing the replacement and maintenance of the electronic device.

[0089] Exemplarily, before collecting the online state information of each electronic device, the online test diagnosis and maintenance method further comprises: connecting the CAN bus interface on the measured electronic device through the CAN interface in the special test interface circuit.

[0090] Before testing the electrical signal of the faulty electronic device online by using the test platform, the online test diagnosis and maintenance method further comprises: connecting the universal test interface to the test port of the faulty electronic device, and accessing the corresponding test signal through the configuration of the universal test interface.

[0091] The online test diagnosis and maintenance method based on the wearable portable maintenance device fully utilizes the information transmission characteristics of the new device, does not require additional hardware systems, and can locate the faulty device by using a simple interface circuit and online diagnosis software, thereby reducing the size of the entire maintenance device and increasing the portability and flexibility. The reconfigurable test interface technology is adopted to improve the flexibility of the interface signal configuration and realize the high integration of the interface. The on-site test diagnosis, maintenance task and operation process guidance of the new device are conveniently realized by using software.

[0092] For difficult problems that cannot be solved on the maintenance site, the wearable helmet is used to collect the on-site audio, video and image information, and the wireless transmission module is used to send the information to the device maintenance information center to obtain remote technical support.

[0093] The embodiment of the application further provides a controller, which is shown in Figure 7 The controller 700 can include at least one processor 710 and a memory 720, and the memory 720 stores a computer program capable of running on the at least one processor 710, and the processor 710 implements the steps in any of the above method embodiments when executing the computer program.

[0094] Exemplarily, the computer program can be divided into one or more modules / units, and the one or more modules / units are stored in the memory 720 and executed by the processor 710 to complete the application. The one or more modules / units can be a series of computer program segments capable of completing a specific function, and the program segments are used to describe the execution process of the computer program in the controller 700.

[0095] Those skilled in the art can understand that Figure 7 The controller is only an example and does not constitute a limitation on the controller, and can include more or fewer components than shown, or combine certain components, or different components, such as input / output devices, network access devices, buses, etc.

[0096] The processor 710 can be a central processing unit (CPU), and can also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic components, discrete hardware components, etc. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor.

[0097] The memory 720 can be an internal storage unit of the controller, and can also be an external storage device of the controller, such as a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. The memory 720 is used to store computer programs and other programs and data required by the online test diagnosis and maintenance method. The memory 720 can also be used to temporarily store data that has been output or will be output.

[0098] The bus can be an industry standard architecture (ISA) bus, a peripheral component (PCI) bus, an extended industry standard architecture (EISA) bus, etc. The bus can be divided into an address bus, a data bus, a control bus, etc. For the sake of representation, the bus in the drawings of the present application does not mean only one bus or one type of bus.

[0099] The online test diagnosis and maintenance method provided by the embodiments of the present application can be applied to controllers such as computers, tablet computers, notebook computers, netbooks, personal digital assistants (PDA), etc. The embodiments of the present application do not make any limitation on the specific type of the controller.

[0100] It should be understood that the size of the serial number of each step in the above embodiments does not mean the order of execution, and the execution order of each process should be determined according to its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0101] The above examples are only used to illustrate the technical solutions of the present application, but not limit the same; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A wearable portable maintenance device, characterized by, The wearable helmet and the handheld test diagnosis unit are included; The wearable helmet includes a master circuit module; The handheld test diagnosis unit includes a test platform and a test interface circuit; the test platform is connected with the test interface circuit; The master circuit module is connected with the test platform through USB in a plug-and-play mode; the test platform is used for receiving test data and sending control instructions; the test data is used for fault positioning of the electronic equipment under test; the control instructions are used for controlling the master circuit module to collect audio and video signals of the maintenance site and send the audio and video signals to the equipment maintenance information center, and are also used for controlling the master circuit module to transmit the collected audio and video signals back to the test platform for storage and playback.

2. The wearable portable maintenance device of claim 1, wherein, The audio and video signals include audio signals and video signals; The wearable helmet further includes a 4G communication module, a camera and a microphone; the 4G communication module, the camera and the microphone are connected with the master circuit module; The master circuit module is further used for controlling the camera to collect video signals of the maintenance site, controlling the microphone to collect audio signals of the maintenance site, and controlling the 4G communication module to transmit the video signals and the audio signals to the equipment maintenance information center.

3. The wearable portable maintenance device of claim 1, wherein, The test platform includes an upper computer and an embedded digital test module; the test interface circuit includes an interface controller, a general test interface circuit and a special test interface circuit; The upper computer is connected with the interface controller through USB; the interface controller is connected with the general test interface circuit and the special test interface circuit respectively; The general test interface circuit is connected with the embedded digital test module; the embedded digital test module is used for outputting measurement data; The special test interface circuit is connected with the electronic equipment under test.

4. The wearable portable maintenance device of claim 3, wherein, The embedded digital test module includes a digital multimeter module and a digital oscilloscope module.

5. The wearable portable maintenance device of claim 3, wherein, The general test interface circuit is a reconfigurable test interface, including an FPGA and an analog matrix switch; The FPGA is used for completing logic control of the analog matrix switch and communication with the interface controller; the FPGA includes a matrix switch interface control logic module and a serial communication logic module; The matrix switch interface control logic module is connected with the analog matrix switch; the serial communication logic module is used for serial communication with the interface controller; The analog matrix switch serves as a signal channel hub of automatic test, and is used for providing interfaces for the embedded digital test module and the electronic equipment under test.

6. The wearable portable maintenance device of claim 3, wherein, The special test interface circuit includes a USB interface, a CAN interface, a peripheral circuit and a power supply circuit; The USB interface is used for connecting the interface controller and the upper computer; the CAN interface is used for connecting the interface controller and the electronic equipment under test; the peripheral circuit includes a JTAG circuit and a crystal oscillator circuit; the JTAG circuit and the crystal oscillator circuit are connected with the interface controller respectively; the power supply circuit is used for connecting with a power supply, and provides a driving source for the special test interface circuit.

7. The wearable portable repair apparatus of claim 1, wherein, The wearable helmet further includes an illuminating lamp.

8. The wearable portable maintenance device of claim 3, wherein, The test platform further comprises a memory; the memory stores a comprehensive database; The comprehensive database is used for storing analysis data of comprehensive support software built in the host computer; The memory is connected with the embedded digital test module; the comprehensive database is further used for storing fault detection data output by the embedded digital test module.

9. An online test diagnosis maintenance method characterized by comprising: The wearable portable maintenance device is implemented by applying the wearable portable maintenance device according to any one of claims 1 to 8, comprising: Collecting online state information of each electronic device; Diagnosing the online state information of each electronic device, and locating corresponding fault electronic device according to a result of the diagnosis; Using a test platform to perform online test on electric signals of the fault electronic device, and automatically generating fault diagnosis guidance and maintenance strategy support; the fault diagnosis guidance is used for locating the fault to a field replaceable unit; and the maintenance strategy support is used for querying device structure principle and operation and maintenance data through a maintenance information comprehensive query module, and assisting in completing replacement and maintenance of the electronic device.

10. The online test and diagnostic service method of claim 9, wherein, Before the collecting of the online state information of each electronic device, the online test and diagnosis maintenance method further comprises connecting a CAN bus interface on a measured electronic device through a CAN interface in a special test interface circuit; Before the using of the test platform to perform online test on the electric signals of the fault electronic device, the online test and diagnosis maintenance method further comprises connecting a general test interface to a test port of the fault electronic device, and accessing corresponding test signals through configuration of the general test interface.

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