CN117826048A - Method, system and equipment for diagnosing faults of aging box - Google Patents
Method, system and equipment for diagnosing faults of aging box Download PDFInfo
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Abstract
The invention belongs to the field of electronic instruments, in particular relates to a method, a system and equipment for diagnosing faults of an aging box, and aims to solve the problem that related equipment for detecting signals and diagnosing faults of the aging box is lacking in the current market. The invention comprises the following steps: the device comprises a power supply module, a voltage and current detection module, a signal conditioning module, a waveform generation module, a main control module, a display module and an audible and visual alarm module; detecting the voltage of each module through a voltage and current detection module in the system initialization stage; the method comprises the steps of (1) processing to-be-detected aging box data acquired by a waveform generation module to obtain waveform parameters, and sending the waveform parameters to a display module for display; when the data is abnormal, controlling the audible and visual alarm module to work and sending a stop instruction to the aging box to be tested through the serial communication interface; the waveform generation module is controlled by the waveform generation instruction to generate waveforms corresponding to waveform parameters of the display module.
Description
Technical Field
The invention belongs to the field of electronic instruments, and particularly relates to a method, a system and equipment for diagnosing faults of an aging box.
Background
Today, the electronic technology is rapidly developed, the reliability requirement of the whole machine is higher and higher, the electronic devices are very necessary to be screened before formal use, and various electronic devices, such as diodes, transistors, integrated circuits and the like, often fail due to manufacturing defects and other reasons in normal operation to influence the reliability of the whole machine, so that it is very important to perform reliability tests on the components in advance when a certain batch of components are used.
The aging box is special test instrument equipment for exposing the components with manufacturing defects in a short time in advance under specific experimental conditions.
The fault diagnosis instrument for the aging box is designed for carrying out rapid signal detection and conventional fault diagnosis on the aging box so as to achieve the purpose of saving time and cost.
Disclosure of Invention
In order to solve the above problems in the prior art, namely the problem that related equipment for detecting signals and diagnosing faults of an aging oven is lacking in the current market, the invention provides a system for diagnosing faults of the aging oven, which comprises a voltage and current detection module, a signal conditioning module, a waveform generation module, a main control module, a display module and an audible and visual alarm module:
the power module is used for providing working voltage for the power module, the voltage and current detection module, the signal conditioning module, the waveform generation module, the main control module, the display module and the audible and visual alarm module;
the main control module is used for carrying out self-checking on the power supply voltage of the aging box fault diagnosis system through the main control module in the system initialization stage, and determining whether the system is powered on normally or not; the method comprises the steps of processing the to-be-detected aging box data acquired by the voltage and current detection module to obtain waveform parameters, and sending the waveform parameters to the display module for display; when the data is abnormal, controlling the audible and visual alarm module to work and sending a stop instruction to the aging box to be tested through the serial communication interface; the waveform generation module is controlled through the waveform generation instruction to generate waveforms corresponding to waveform parameters of the display module;
the signal conditioning module comprises a program control gain control unit and an ADC unit, and is connected with the main control module through an SPI bus, wherein the program control gain unit is used for adjusting the amplification factor according to the size of an input signal, and the ADC unit is used for converting an analog signal into a digital signal and transmitting the digital signal to the main control module;
the signal conditioning module and the main control module are combined to realize automatic adjustment of the measuring range, so that the measurement precision of the equipment is improved;
the waveform generation module is used for setting waveform frequency, duty ratio and level value square wave signals according to waveform generation instructions, and taking the square wave signals as signal sources of the aging box to be tested;
the voltage and current detection module is used for acquiring wide voltage and large current of the aging box to be detected and carrying out online detection, and comprises 3 paths of detection units, wherein 2 paths of detection units are used for positive voltage detection, and 1 path of detection units are used for negative voltage detection; the on-line detection module is also used for generating the on-line detected voltage value and current value to the main control module through the IIC bus;
the display module is used for displaying waveforms according to the received waveform parameters;
the audible and visual alarm module consists of a high-power buzzer and a high-brightness three-color LED; receiving an alarm instruction sent by a main control module, and sending out an audible and visual alarm;
the aging box fault diagnosis system further comprises a display communication serial port and a main control communication serial port;
the communication serial port is an isolated serial communication interface and is used for communication of the display module; the main control communication serial port is an isolated serial communication interface and is used for communicating with the main control module and transmitting error information.
Further, the power module specifically includes:
the power supply module adopts an isolated AC/DC power supply from 220V to 12V; the 12V isolated AC/DC power supply is converted into a DC power supply through a DC/DC chip, and a working power supply is provided for a voltage and current detection module, a signal conditioning module, a waveform generation module, a main control module, a display module and an audible and visual alarm module.
Further, the analog signal specifically includes:
sine waves, rectangular waves, leading sawtooth waves, trailing sawtooth waves, and triangular waves.
Further, the system also comprises an LED array for rapidly diagnosing whether the digital channel of the aging box is normal.
In another aspect of the present invention, there is provided an aging oven fault diagnosis method, which is implemented based on an aging oven fault diagnosis system as set forth in claims 1 to 4, the method comprising
Step S100, connecting an aging box to be tested with a main control module and a waveform generation module;
step S200, carrying out self-checking on the power supply voltage of the fault diagnosis system of the aging box through a main control module, and determining whether the system is powered on normally or not; if the system is powered on normally, entering step S300;
step S300, converting a preset aging box analog signal into a digital signal through a signal conditioning module, and sending the digital signal to a main control module; the main control module generates a test square wave signal with set waveform frequency, set duty ratio and set level value through the waveform generation circuit based on the digital signal, and inputs the test square wave signal into the aging box; the aging box receives the test square wave signal and generates actual test data;
step S400, the main control module processes the aging box test data to obtain actual waveform data, and the actual waveform data is sent to the display module for display through the display communication serial port; collecting the voltage and the current of the aging box through a voltage and current detection module to obtain the voltage and current state of the aging box;
and S500, controlling the audible and visual alarm module to work and sending a stop signal to the aging box to be tested through the main control communication serial port when the deviation between the actual waveform data and the ideal waveform exceeds a preset threshold value or when the deviation between the voltage and current states of the aging box and the ideal voltage and current states exceeds a preset threshold value.
Further, in the method, the method further comprises:
driving an LED array through an aging box digital signal, wherein abnormal brightness of the LED indicates that the channel has a problem; and setting the test system to output square wave signals with specified frequency and duty ratio for judging whether the input channel of the aging box is normal or not.
In a third aspect of the present invention, an electronic device is provided, including:
at least one processor; and
a memory communicatively coupled to at least one of the processors; wherein,
the memory stores instructions executable by the processor for execution by the processor to implement an aging box fault diagnosis system as described above.
In a fourth aspect of the present invention, a computer-readable storage medium storing computer instructions for execution by the computer to implement an aging box fault diagnosis system as described above is provided.
The invention has the beneficial effects that:
(1) The invention carries out data acquisition and processing through the main control module, the configuration management of each communication interface and the display of related information, thus realizing the online detection function of the aging box;
(2) The invention improves the automation level of detection, shortens the detection time and saves the detection cost;
(3) According to the invention, the automatic adjustment of the measuring range is realized through the signal conditioning module, and the measurement precision of the equipment is improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a system block diagram of an aging box fault detection system of the present invention;
FIG. 2 is a schematic diagram of a computer system for a server implementing embodiments of the methods, systems, and apparatus of the present application.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The invention provides a fault diagnosis system of an aging box, which comprises a power supply module, a voltage and current detection module, a signal conditioning module, a waveform generation module, a main control module, a display module and an audible and visual alarm module, wherein the power supply module is connected with the voltage and current detection module;
the power module is used for providing working voltage for the power module, the voltage and current detection module, the signal conditioning module, the waveform generation module, the main control module, the display module and the audible and visual alarm module;
the main control module is used for carrying out self-checking on the power supply voltage of the aging box fault diagnosis system through the main control module in the system initialization stage, and determining whether the system is powered on normally or not; the method comprises the steps of processing the to-be-detected aging box data acquired by the voltage and current detection module to obtain waveform parameters, and sending the waveform parameters to the display module for display; when the data is abnormal, controlling the audible and visual alarm module to work and sending a stop instruction to the aging box to be tested through the serial communication interface; the waveform generation module is controlled through the waveform generation instruction to generate waveforms corresponding to waveform parameters of the display module;
the signal conditioning module comprises a program control gain control unit and an ADC unit, and is connected with the main control module through an SPI bus, wherein the program control gain unit is used for adjusting the amplification factor according to the size of an input signal, and the ADC unit is used for converting an analog signal into a digital signal and transmitting the digital signal to the main control module;
the waveform generation module is used for setting waveform frequency, duty ratio and level value square wave signals according to waveform generation instructions, and taking the square wave signals as signal sources of the aging box to be tested;
the voltage and current detection module is used for acquiring wide voltage and large current of the aging box to be detected and carrying out online detection, and comprises 3 paths of detection units, wherein 2 paths of detection units are used for positive voltage detection, and 1 path of detection units are used for negative voltage detection; the on-line detection module is also used for generating the on-line detected voltage value and current value to the main control module through the IIC bus;
the display module is used for displaying waveforms according to the received waveform parameters;
the audible and visual alarm module consists of a high-power buzzer and a high-brightness three-color LED; receiving an alarm instruction sent by a main control module, and sending out an audible and visual alarm;
the aging box fault diagnosis system further comprises a display communication serial port and a main control communication serial port;
the communication serial port is an isolated serial communication interface and is used for communication of the display module; the main control communication serial port is an isolated serial communication interface and is used for communicating with the main control module and transmitting error information.
In order to more clearly describe a fault diagnosis system for an aging oven according to the present invention, the following detailed descriptions of the modules in the embodiments of the present invention will be provided with reference to fig. 1.
The invention relates to a fault diagnosis system for an aging box, which is shown in fig. 1, and comprises a power supply module, a voltage and current detection module, a signal conditioning module, a waveform generation module, a main control module, a display module and an audible and visual alarm module, wherein the detailed description of each module is as follows:
the power module is used for providing working voltage for the power module, the voltage and current detection module, the signal conditioning module, the waveform generation module, the main control module, the display module and the audible and visual alarm module;
in this embodiment, the power module specifically includes:
the power supply module adopts an isolated AC/DC power supply from 220V to 12V; the 12V isolated AC/DC power supply is converted into a DC power supply through a DC/DC chip, and a working power supply is provided for a voltage and current detection module, a signal conditioning module, a waveform generation module, a main control module, a display module and an audible and visual alarm module; in order to reduce circuit interference, the power module adopts an isolation design.
The main control module is used for detecting voltages of all elements in the aging box fault diagnosis system through the voltage and current detection module in the system initialization stage; the method comprises the steps of processing the to-be-detected aging box data acquired by the voltage and current detection module to obtain waveform parameters, and sending the waveform parameters to the display module for display; when the data is abnormal, controlling the audible and visual alarm module to work and sending a stop instruction to the aging box to be tested through the serial communication interface; the waveform generation module is controlled through the waveform generation instruction to generate waveforms corresponding to waveform parameters of the display module;
in this embodiment, the analog signal specifically includes: positive brown wave, rectangular wave, front sawtooth wave, back sawtooth wave and triangular wave.
The signal conditioning module comprises a program control gain control unit and an ADC unit, and is connected with the main control module through an SPI bus, wherein the program control gain unit is used for adjusting the amplification factor according to the size of an input signal, and the ADC unit is used for converting an analog signal into a digital signal and transmitting the digital signal to the main control module;
the signal conditioning module and the main control module are combined to realize automatic adjustment of the measuring range, so that the measurement precision of the equipment is improved;
summarizing in the embodiment, the signal conditioning module performs level conversion on waveforms with the frequency of 10Hz to 100KHz, the phase of 0 to 180 degrees and the peak-to-peak value of 20V, converts the waveforms into digital signals, and transmits the digital signals to the main control module through the SPI bus;
the waveform generation module is used for setting waveform frequency, duty ratio and level value square wave signals according to waveform generation instructions, and taking the square wave signals as signal sources of the aging box to be tested;
in the embodiment, the waveform generation module can generate 64 paths of square waves with the frequency ranging from 10Hz to 100kHz, the duty ratio ranging from 50% to 90% and the level ranging from 1.8V to 5V, and the driving capacity of each path is 100mA.
The voltage and current detection module is used for acquiring wide voltage and large current of the aging box to be detected and carrying out online detection, and comprises 3 paths of detection units, wherein 2 paths of detection units are used for positive voltage detection, and 1 path of detection units are used for negative voltage detection; and the voltage value and the current value which are detected on line are also used for being transmitted to the main control module through the IIC bus.
In the embodiment, the voltage and current detection module can monitor the voltage and current of 1-18V, 0-10A, 1-18V and 0-10A in real time.
The display module is used for displaying waveforms according to the received waveform parameters;
the audible and visual alarm module consists of a high-power buzzer and a high-brightness three-color LED; receiving an alarm instruction sent by a main control module, and sending out an audible and visual alarm;
the aging box fault diagnosis system further comprises a display communication serial port and a main control communication serial port;
the communication serial port is an isolated serial communication interface and is used for communication of the display module; the main control communication serial port is an isolated serial communication interface and is used for communicating with the main control module and transmitting error information.
In this embodiment, RS232 is used for the display communication serial port and the master control communication serial port.
In this embodiment, the system further includes an LED array for rapid diagnosis of whether the digital channel of the aging oven is normal.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the system described above and the related description may refer to the corresponding process in the foregoing method embodiment, which is not repeated here.
It should be noted that, in the above embodiment, the fault diagnosis system for an aging box provided by the present invention is only exemplified by the division of the above functional modules, in practical application, the above functional allocation may be performed by different functional modules according to needs, that is, the modules or steps in the embodiment of the present invention are further decomposed or combined, for example, the modules in the embodiment may be combined into one module, or may be further decomposed into a plurality of sub-modules, so as to complete all or part of the functions described above. The names of the modules and steps related to the embodiments of the present invention are merely for distinguishing the respective modules or steps, and are not to be construed as unduly limiting the present invention.
Although the steps are described in the above-described sequential order in the above-described embodiments, it will be appreciated by those skilled in the art that in order to achieve the effects of the present embodiments, the steps need not be performed in such order, and may be performed simultaneously (in parallel) or in reverse order, and such simple variations are within the scope of the present invention.
The fault diagnosis method for the aging box of the second embodiment of the invention comprises the following steps:
step S100, connecting an aging box to be tested with a main control module and a waveform generation module;
step S200, converting an input analog signal of the aging box into a digital signal through a signal conditioning module, and sending the digital signal to a main control module;
step S300, converting a preset aging box analog signal into a digital signal through a signal conditioning module, and sending the digital signal to a main control module; the main control module generates a test square wave signal with set waveform frequency, set duty ratio and set level value through the waveform generation circuit based on the digital signal, and inputs the test square wave signal into the aging box; the aging box receives the test square wave signal and generates actual test data;
step S400, the main control module processes the aging box test data to obtain actual waveform data, and the actual waveform data is sent to the display module for display through the display communication serial port; collecting the voltage and the current of the aging box through a voltage and current detection module to obtain the voltage and current state of the aging box;
and S500, controlling the audible and visual alarm module to work and sending a stop signal to the aging box to be tested through the main control communication serial port when the deviation between the actual waveform data and the ideal waveform exceeds a preset threshold value or when the deviation between the voltage and current states of the aging box and the ideal voltage and current states exceeds a preset threshold value.
In this embodiment, the method further includes:
driving an LED array through an aging box digital signal, wherein abnormal brightness of the LED indicates that the channel has a problem; and setting the test system to output square wave signals with specified frequency and duty ratio for judging whether the input channel of the aging box is normal or not.
Although the steps are described in the above-described sequential order in the above-described embodiments, it will be appreciated by those skilled in the art that in order to achieve the effects of the present embodiments, the steps need not be performed in such order, and may be performed simultaneously (in parallel) or in reverse order, and such simple variations are within the scope of the present invention.
An electronic device of a third embodiment of the present invention includes:
at least one processor; and
a memory communicatively coupled to at least one of the processors; wherein,
the memory stores instructions executable by the processor for execution by the processor to implement an aging box fault diagnosis system as described above.
A computer-readable storage medium of a fourth embodiment of the present invention stores computer instructions for execution by the computer to implement an aging box fault diagnosis system as described above.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the storage device and the processing device described above and the related description may refer to the corresponding process in the foregoing method embodiment, which is not repeated herein.
Those of skill in the art will appreciate that the various illustrative modules, method steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the program(s) corresponding to the software modules, method steps, may be embodied in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art. To clearly illustrate this interchangeability of electronic hardware and software, various illustrative components and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as electronic hardware or software depends upon the particular application and design constraints imposed on the solution. Those skilled in the art may implement the described functionality using different approaches for each particular application, but such implementation is not intended to be limiting.
Reference is now made to FIG. 2, which illustrates a block diagram of a computer system for a server that may be used to implement embodiments of the methods, systems, and devices of the present application. The server illustrated in fig. 2 is merely an example, and should not be construed as limiting the functionality and scope of use of the embodiments herein.
As shown in fig. 2, the computer system includes a central processing unit (CPU, central Processing Unit) 601, which can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 602 or a program loaded from a storage section 608 into a random access Memory (RAM, random Access Memory) 603. In the RAM 603, various programs and data required for system operation are also stored. The CPU 601, ROM 602, and RAM 603 are connected to each other through a bus 604. An Input/Output (I/O) interface 605 is also connected to bus 604.
The following components are connected to the I/O interface 605: an input portion 606 including a keyboard, mouse, etc.; an output portion 607 including a Cathode Ray Tube (CRT), a liquid crystal display (LCD, liquid Crystal Display), and the like, a speaker, and the like; a storage section 608 including a hard disk and the like; and a communication section 609 including a network interface card such as a LAN (local area network ) card, a modem, or the like. The communication section 609 performs communication processing via a network such as the internet. The drive 610 is also connected to the I/O interface 605 as needed. Removable media 611 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is installed as needed on drive 610 so that a computer program read therefrom is installed as needed into storage section 608.
In particular, according to embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network through the communication portion 609, and/or installed from the removable medium 611. The above-described functions defined in the method of the present application are performed when the computer program is executed by a Central Processing Unit (CPU) 601. It should be noted that the computer readable medium described in the present application may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present application, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations of the present application may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The terms "first," "second," and the like, are used for distinguishing between similar objects and not for describing a particular sequential or chronological order.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
Claims (8)
1. The aging box fault diagnosis system is characterized by comprising a power supply module, a voltage and current detection module, a signal conditioning module, a waveform generation module, a main control module, a display module and an audible and visual alarm module;
the power module is used for providing working voltage for the power module, the voltage and current detection module, the signal conditioning module, the waveform generation module, the main control module, the display module and the audible and visual alarm module;
the main control module is used for carrying out self-checking on the power supply voltage of the aging box fault diagnosis system through the main control module in the system initialization stage, and determining whether the system is powered on normally or not; the method comprises the steps of processing the to-be-detected aging box data acquired by the voltage and current detection module to obtain waveform parameters, and sending the waveform parameters to the display module for display; when the data is abnormal, controlling the audible and visual alarm module to work and sending a stop instruction to the aging box to be tested through the serial communication interface; the waveform generation module is controlled through the waveform generation instruction to generate waveforms corresponding to waveform parameters of the display module;
the signal conditioning module comprises a program control gain control unit and an ADC unit, the program control gain control unit is connected with the main control module through an SPI bus, the program control gain unit can adjust the amplification factor according to the size of an input signal, and the ADC unit is used for converting an analog signal into a digital signal and transmitting the digital signal to the main control module;
the waveform generation module is used for setting waveform frequency, duty ratio and level value square wave signals according to waveform generation instructions, and taking the square wave signals as signal sources of the aging box to be tested;
the voltage and current detection module is used for on-line detection of wide voltage and large current of the aging box, and comprises 3 paths of detection units, wherein 2 paths of detection units are used for positive voltage detection, and 1 path of detection units are used for negative voltage detection; the on-line detected voltage value and current value are transmitted to a main control module through an IIC bus;
the display module is used for displaying waveforms according to the received waveform parameters;
the audible and visual alarm module consists of a high-power buzzer and a high-brightness three-color LED; receiving an alarm instruction sent by a main control module, and sending out an audible and visual alarm;
the aging box fault diagnosis system further comprises a display communication serial port and a main control communication serial port;
the display communication serial port is an isolated serial communication interface and is used for communication of the display module; the main control communication serial port is an isolated serial communication interface and is used for communicating with the main control module and transmitting error information.
2. The system according to claim 1, wherein the power module specifically comprises:
the power supply module adopts an isolated AC/DC power supply from 220V to 12V; the 12V isolated AC/DC power supply is converted into a DC power supply through a DC/DC chip, and a working power supply is provided for a voltage and current detection module, a signal conditioning module, a waveform generation module, a main control module, a display module and an audible and visual alarm module.
3. The system according to claim 1, wherein the analog signal specifically comprises:
sine waves, rectangular waves, leading sawtooth waves, trailing sawtooth waves, and triangular waves.
4. The burn-in bar fault diagnostic system of claim 1 further comprising an LED array for rapidly diagnosing whether the burn-in bar digital channel is normal.
5. A method for diagnosing a fault in an aging oven, the method being implemented based on an aging oven fault diagnosing system as claimed in claims 1 to 4, the method comprising:
step S100, connecting an aging box to be tested with a main control module and a waveform generation module;
step S200, carrying out self-checking on the power supply voltage of the fault diagnosis system of the aging box through a main control module, and determining whether the system is powered on normally or not; if the system is powered on normally, entering step S300;
step S300, converting a preset aging box analog signal into a digital signal through a signal conditioning module, and sending the digital signal to a main control module; the main control module generates a test square wave signal with set waveform frequency, set duty ratio and set level value through the waveform generation circuit based on the digital signal, and inputs the test square wave signal into the aging box; the aging box receives the test square wave signal and generates actual test data;
step S400, the main control module processes the aging box test data to obtain actual waveform data, and the actual waveform data is sent to the display module for display through the display communication serial port; collecting the voltage and the current of the aging box through a voltage and current detection module to obtain the voltage and current state of the aging box;
and S500, controlling the audible and visual alarm module to work and sending a stop signal to the aging box to be tested through the main control communication serial port when the deviation between the actual waveform data and the ideal waveform exceeds a preset threshold value or when the deviation between the voltage and current states of the aging box and the ideal voltage and current states exceeds a preset threshold value.
6. The method of claim 1, further comprising:
the LED array is driven by the aging box digital signal, and the LED brightness abnormality indicates that the channel is problematic.
7. An electronic device, comprising:
at least one processor; and
a memory communicatively coupled to at least one of the processors; wherein,
the memory stores instructions executable by the processor for execution by the processor to implement a method of diagnosing a fault in an aging oven as claimed in claim 5.
8. A computer readable storage medium having stored thereon computer instructions for execution by the computer to implement a method of diagnosing a fault in an aging oven as claimed in claim 5.
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| CN202311524545.8A CN117826048A (en) | 2023-11-15 | 2023-11-15 | Method, system and equipment for diagnosing faults of aging box |
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| CN202311524545.8A CN117826048A (en) | 2023-11-15 | 2023-11-15 | Method, system and equipment for diagnosing faults of aging box |
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