CN115201596A - Electric product detection device and control method - Google Patents
Electric product detection device and control method Download PDFInfo
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- CN115201596A CN115201596A CN202210723238.1A CN202210723238A CN115201596A CN 115201596 A CN115201596 A CN 115201596A CN 202210723238 A CN202210723238 A CN 202210723238A CN 115201596 A CN115201596 A CN 115201596A
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Abstract
The invention belongs to the technical field of electric product detection, and discloses an electric product detection device and a control method. According to the invention, on the basis of comprehensively reflecting the operation state of the electric appliance product, the quality evaluation module analyzes the data by constructing a logistic regression model, and the development rule of the data is mined from each scattered point to accurately obtain the operation quality evaluation result of the electric appliance product; meanwhile, the actual application environment of the electric product is simulated through the service life prediction module according to the load resistance value of the electric product and the simulation environment of the input current, and the residual service life of the electric product is predicted according to the actual switching frequency of the electric product in the simulation environment, so that the residual service life of the electric product can be accurately predicted.
Description
Technical Field
The invention belongs to the technical field of electric product detection, and particularly relates to an electric product detection device and a control method.
Background
Electrical appliances (electrical appliances) generally refer to all appliances using electricity, and from a professional perspective, they mainly refer to electrical devices, apparatuses and elements used for connecting and disconnecting circuits and transforming circuit parameters so as to realize the functions of controlling, adjusting, switching, detecting and protecting the circuits or the electric appliances; from the perspective of the general public, the household appliances mainly refer to some common household appliances which provide convenience for life, such as televisions, air conditioners, refrigerators, washing machines, various small household appliances and the like.
Many electronic components are needed in the electric appliance product, and in order to ensure the qualified rate of the finished product of the electric appliance product, the electric appliance product needs to be detected before use, so that unqualified electronic components can be screened out in time. However, the existing electric product detection device cannot accurately evaluate the quality of the electric product; meanwhile, the service life of the electric appliance cannot be accurately predicted.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) The existing electric appliance product detection device cannot accurately evaluate the quality of an electric appliance product.
(2) The life of the electrical appliance cannot be accurately predicted.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a detection device and a control method for an electric appliance product.
The invention is realized in this way, an electric appliance product detection device includes:
the device comprises a voltage detection module, a resistance detection module, a power detection module, a data acquisition module, a main control module, a fault diagnosis module, a quality evaluation module, a service life prediction module and a display module;
the voltage detection module is connected with the data acquisition module and used for detecting voltage data of the electric appliance product;
the resistance detection module is connected with the data acquisition module and used for detecting the resistance data of the electrical product;
the power detection module is connected with the data acquisition module and is used for detecting power data of the electric appliance product;
the data acquisition module is respectively connected with the voltage detection module, the resistance detection module, the power detection module and the main control module, and is used for carrying out centralized acquisition on the detected voltage data, resistance data and power data, preprocessing the acquired data and then sending the preprocessed data to the main control module;
the main control module is respectively connected with the data acquisition module, the fault diagnosis module, the quality evaluation module, the service life prediction module and the display module and is used for processing and analyzing the acquired data and controlling each module to normally work according to a processing result and preset parameters;
the fault diagnosis module is connected with the main control module and is used for diagnosing faults of the electric appliance product;
the quality evaluation module is connected with the main control module and used for evaluating the quality of the electric appliance product;
the service life prediction module is connected with the main control module and used for predicting the service life of the electric appliance product;
and the display module is connected with the main control module and used for displaying voltage, resistance, power, fault information, quality evaluation results and service life prediction results through the display.
Furthermore, the electric appliance product detection device also comprises a data storage module and a communication module;
the data storage module is connected with the main control module and is used for locally storing the acquired data and the processing result by using a memory;
the communication module is connected with the main control module and used for performing data interaction with a remote monitoring center by using the wireless data communicator and uploading a detection result.
Further, the fault diagnosis module includes:
the fault code storage unit is used for storing fault data corresponding to the fault code;
the fault data acquisition unit is used for acquiring fault data in the process of diagnosing the electric appliance product;
and the fault identification unit is used for comparing and identifying the acquired fault data and the fault codes to obtain the fault codes corresponding to the fault data.
Another object of the present invention is to provide a method for controlling an electric product detecting apparatus, including:
step one, detecting voltage data of an electric product through a voltage detection module; detecting resistance data of an electrical product through a resistance detection module; detecting power data of an electric product through a power detection module;
step two, the voltage data, the resistance data and the power data obtained by detection are collected in a centralized manner by using a data collection module, the collected data are preprocessed and then sent to a main control module, and the main control module diagnoses the faults of the electric appliance product through a fault diagnosis module;
evaluating the quality of the electric product through a quality evaluation module; predicting the service life of the electric appliance product through a service life prediction module;
and fourthly, displaying the voltage, the resistance, the power, the fault information, the quality evaluation result and the service life prediction result by using a display through a display module.
Further, when the quality of the electric product is evaluated by the quality evaluation module in the third step, the quality evaluation method adopted by the quality evaluation module is as follows:
(1) Constructing an electrical product database; collecting original defect data of electric appliance products produced by various manufacturers; storing the original defect data into an electrical product database;
(2) Performing assignment conversion and cleaning on the original defect data to obtain secondary defect data;
(3) Constructing a logistic regression model according to the secondary defect data;
(4) And evaluating the operation quality of the electric appliance products produced by the electric appliance product manufacturers according to the probability of the defects of each grade of the electric appliance product manufacturers and the correlation coefficient.
Further, the original defect data includes a year of defect, a severity level, a device name, a part name, a defect description, a defect category, and a manufacturer.
Further, when the life of the electrical product is predicted by the life prediction module in the third step, the life prediction method adopted by the life prediction module is as follows:
1) Configuring parameters of test equipment, and testing the performance of the electric product through the test equipment according to the use environment of the electric product to be tested, wherein the use environment comprises the load resistance value and the input current of the electric product;
2) Acquiring a performance test result corresponding to the performance test, wherein the performance test result comprises the actual opening and closing frequency of a contact; and predicting the residual life of the electric appliance product according to the corresponding relation between the actual opening and closing frequency of the contact and the residual life.
Further, the performance test comprises a load performance test; before predicting the remaining life of the electric product according to the performance test result, the method further comprises the following steps:
adjusting the load resistance value, and monitoring the on-off state of the electrical product to obtain a performance test result corresponding to the on-load performance test;
acquiring working current when contacts of an electric product are contacted and working voltage between the contacts;
and determining the contact resistance of the electrical product according to the working current and the working voltage.
Further, when the data acquisition module in the second step preprocesses the acquired data, the data preprocessing method adopted comprises:
filtering the acquired voltage data, resistance data and power data by using an alternative hybrid filter based on mathematical morphology;
and removing noise, extracting a real signal, and performing phase-mode conversion on the processed voltage data, resistance data and power data to obtain line-mode traveling wave data.
In combination with the technical solutions and the technical problems to be solved, please analyze the advantages and positive effects of the technical solutions to be protected in the present invention from the following aspects:
first, aiming at the technical problems existing in the prior art and the difficulty in solving the problems, the technical problems to be solved by the technical scheme of the present invention are closely combined with results, data and the like in the research and development process, and some creative technical effects are brought after the problems are solved. The specific description is as follows:
according to the invention, on the basis of comprehensively reflecting the operation state of the electric appliance product, the quality evaluation module analyzes the data by constructing a logistic regression model, and the development rule of the data is mined from each scattered point to accurately obtain the operation quality evaluation result of the electric appliance product; meanwhile, the service life prediction module simulates the actual application environment of the electric product according to the load resistance value of the electric product and the simulation environment of the input current, and predicts the residual service life of the electric product according to the actual switching frequency of the electric product in the simulation environment, so that the residual service life of the electric product can be accurately predicted.
Secondly, considering the technical scheme as a whole or from the perspective of products, the technical effect and advantages of the technical scheme to be protected by the invention are specifically described as follows:
according to the invention, on the basis of comprehensively reflecting the operation state of the electric product, the quality evaluation module analyzes the data by constructing a logistic regression model, and the development rule of the data is mined from each scattered point to accurately obtain the operation quality evaluation result of the electric product; meanwhile, the service life prediction module simulates the actual application environment of the electric product according to the load resistance value of the electric product and the simulation environment of the input current, and predicts the residual service life of the electric product according to the actual switching frequency of the electric product in the simulation environment, so that the residual service life of the electric product can be accurately predicted.
Drawings
Fig. 1 is a flowchart of a control method of an electrical product detection apparatus according to an embodiment of the present invention;
FIG. 2 is a flow chart of a quality assessment method employed by a quality assessment module provided in an embodiment of the present invention;
fig. 3 is a flowchart of a life prediction method adopted by the life prediction module according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
1. Illustrative embodiments are explained. This section is an illustrative example developed to explain the claims in order to enable those skilled in the art to fully understand how to implement the present invention.
As shown in fig. 1, the control method of the detection device for electrical products provided by the present invention comprises the following steps:
s101, detecting voltage data of an electric product through a voltage detection module; detecting resistance data of an electrical product through a resistance detection module; detecting power data of an electric product through a power detection module;
s102, the data acquisition module is used for carrying out centralized acquisition on the detected voltage data, resistance data and power data, preprocessing the acquired data and then sending the preprocessed data to the main control module, and the main control module diagnoses the faults of the electric appliance product through the fault diagnosis module;
s103, evaluating the quality of the electric product through a quality evaluation module; predicting the service life of the electric appliance product through a service life prediction module;
and S104, displaying the voltage, the resistance, the power, the fault information, the quality evaluation result and the service life prediction result by using a display through a display module.
As shown in fig. 2, when the quality evaluation module evaluates the quality of the electric product in step S103 in the embodiment of the present invention, the quality evaluation module adopts the following quality evaluation method:
s201, constructing an electrical product database; collecting original defect data of electric appliance products produced by various manufacturers; storing the original defect data into an electrical product database;
s202, carrying out assignment conversion and cleaning on the original defect data to obtain secondary defect data;
s203, constructing a logistic regression model according to the secondary defect data;
and S204, evaluating the operation quality of the electric appliance products produced by the electric appliance product manufacturers according to the probability of the electric appliance product manufacturers having the defects of all levels and the correlation coefficient.
The original defect data in the embodiment of the invention comprises the defect year, the severity grade, the equipment name, the part name, the defect description, the defect category and the manufacturer.
As shown in fig. 3, in step S103 of the embodiment of the present invention, when the lifetime prediction module predicts the lifetime of the electrical product, the lifetime prediction method adopted by the lifetime prediction module is as follows:
s301, configuring parameters of a test device, and testing the performance of the electric product through the test device according to the use environment of the electric product to be tested, wherein the use environment comprises the load resistance value and the input current of the electric product;
s302, obtaining a performance test result corresponding to the performance test, wherein the performance test result comprises the actual opening and closing frequency of the contact; and predicting the residual life of the electric appliance product according to the corresponding relation between the actual opening and closing frequency of the contact and the residual life.
The performance test in the embodiment of the invention comprises a load performance test; before predicting the remaining life of the electric product according to the performance test result, the method further comprises the following steps:
adjusting the load resistance value, and monitoring the on-off state of the electrical product to obtain a performance test result corresponding to the on-load performance test;
acquiring working current when contacts of an electric product are contacted and working voltage between the contacts;
and determining the contact resistance of the electrical product according to the working current and the working voltage.
In the embodiment of the present invention, when the data acquisition module in step S102 preprocesses the acquired data, the data preprocessing method adopted includes:
filtering the acquired voltage data, resistance data and power data by using an alternative hybrid filter based on mathematical morphology;
and removing noise, extracting a real signal, and performing phase-mode conversion on the processed voltage data, resistance data and power data to obtain line-mode traveling wave data.
Step S203 in the embodiment of the present invention constructs a logistic regression model according to the secondary data, including the following steps:
taking the data set F1 of the manufacturer of the electric appliance product as an independent variable vector x' = (x) in the logistic regression model 1 ,x 2 ,x i ,x n )：
x′＝F1＝{f 1 ,f 2 ,f i ,f n }
Wherein x is i Is the ith element, f, in the independent variable vector x i For the data set F of the manufacturer of the electrical appliance product 1 The ith manufacturer;
using the defect grade C1 of the electric product as a dependent variable vector y' = (y) in the logistic regression model 1 ,y 2 ,y 3 )：
y′＝c j ＝{c 1 ,c 2 ,c 3 }
Wherein, c j Defect grade C of electric appliance product 1 J = {1,2,3}, c1 is a general defect, and c1 is a normal defect 2 Is a significant defect, c 3 Is an urgent defect.
The detection device for the electric appliance product in the embodiment of the invention comprises a voltage detection module, a resistance detection module, a power detection module, a data acquisition module, a main control module, a fault diagnosis module, a quality evaluation module, a service life prediction module and a display module;
the voltage detection module is connected with the data acquisition module and is used for detecting voltage data of the electric appliance product;
the resistance detection module is connected with the data acquisition module and is used for detecting the resistance data of the electrical product;
the power detection module is connected with the data acquisition module and is used for detecting power data of the electric appliance product;
the data acquisition module is respectively connected with the voltage detection module, the resistance detection module, the power detection module and the main control module, and is used for carrying out centralized acquisition on the detected voltage data, resistance data and power data, preprocessing the acquired data and then sending the preprocessed data to the main control module;
the main control module is respectively connected with the data acquisition module, the fault diagnosis module, the quality evaluation module, the service life prediction module and the display module and is used for processing and analyzing the acquired data and controlling each module to normally work according to a processing result and preset parameters;
the fault diagnosis module is connected with the main control module and is used for diagnosing faults of the electric appliance product;
the quality evaluation module is connected with the main control module and used for evaluating the quality of the electric appliance product;
the service life prediction module is connected with the main control module and used for predicting the service life of the electric appliance product;
and the display module is connected with the main control module and used for displaying voltage, resistance, power, fault information, quality evaluation results and service life prediction results through the display.
The detection device for the electric appliance product in the embodiment of the invention also comprises a data storage module and a communication module;
the data storage module is connected with the main control module and is used for locally storing the acquired data and the processing result by using a memory;
the communication module is connected with the main control module and used for performing data interaction with a remote monitoring center by using the wireless data communicator and uploading a detection result.
The fault diagnosis module in the embodiment of the invention comprises:
the fault code storage unit is used for storing fault data corresponding to the fault codes;
the fault data acquisition unit is used for acquiring fault data in the process of diagnosing the electric appliance product;
and the fault identification unit is used for comparing and identifying the acquired fault data and the fault codes to obtain the fault codes corresponding to the fault data.
2. Application examples. In order to prove the creativity and the technical value of the technical scheme of the invention, the part is the application example of the technical scheme of the claims on specific products or related technologies.
A computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the method of controlling an electrical product detection apparatus.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An electric product detection device, characterized in that, electric product detection device includes:
the device comprises a voltage detection module, a resistance detection module, a power detection module, a data acquisition module, a main control module, a fault diagnosis module, a quality evaluation module, a service life prediction module and a display module;
the voltage detection module is connected with the data acquisition module and used for detecting voltage data of the electric appliance product;
the resistance detection module is connected with the data acquisition module and used for detecting the resistance data of the electrical product;
the power detection module is connected with the data acquisition module and used for detecting power data of the electric appliance product;
the data acquisition module is respectively connected with the voltage detection module, the resistance detection module, the power detection module and the main control module, and is used for carrying out centralized acquisition on the detected voltage data, resistance data and power data, preprocessing the acquired data and then sending the preprocessed data to the main control module;
the main control module is respectively connected with the data acquisition module, the fault diagnosis module, the quality evaluation module, the service life prediction module and the display module and is used for processing and analyzing the acquired data and controlling each module to normally work according to a processing result and preset parameters;
the fault diagnosis module is connected with the main control module and is used for diagnosing faults of the electric appliance product;
the quality evaluation module is connected with the main control module and used for evaluating the quality of the electric appliance product;
the service life prediction module is connected with the main control module and used for predicting the service life of the electric appliance product;
and the display module is connected with the main control module and used for displaying voltage, resistance, power, fault information, quality evaluation results and service life prediction results through the display.
2. The electrical product detection device of claim 1, further comprising a data storage module and a communication module;
the data storage module is connected with the main control module and is used for locally storing the acquired data and the processing result by using a memory;
the communication module is connected with the main control module and used for performing data interaction with a remote monitoring center by using the wireless data communicator and uploading a detection result.
3. The electrical product detection device of claim 1, wherein the fault diagnosis module comprises:
the fault code storage unit is used for storing fault data corresponding to the fault codes;
the fault data acquisition unit is used for acquiring fault data in the process of diagnosing the electric appliance product;
and the fault identification unit is used for comparing and identifying the acquired fault data and the fault codes to obtain the fault codes corresponding to the fault data.
4. A control method for implementing the electric product detecting apparatus according to any one of claims 1 to 3, wherein the control method for the electric product detecting apparatus comprises the steps of:
step one, detecting voltage data of an electric product through a voltage detection module; detecting resistance data of an electric product through a resistance detection module; detecting power data of an electric product through a power detection module;
step two, the data acquisition module is used for carrying out centralized acquisition on the detected voltage data, resistance data and power data, preprocessing the acquired data and then sending the preprocessed data to the main control module, and the main control module diagnoses the faults of the electric appliance product through the fault diagnosis module;
evaluating the quality of the electric product through a quality evaluation module; predicting the service life of the electric appliance product through a service life prediction module;
and fourthly, displaying the voltage, the resistance, the power, the fault information, the quality evaluation result and the service life prediction result by using a display through a display module.
5. The control method of the electrical product detection device according to claim 4, wherein in the third step, when the quality evaluation module evaluates the quality of the electrical product, the quality evaluation module adopts the following quality evaluation method:
(1) Constructing an electrical product database; collecting original defect data of electric appliance products produced by various manufacturers; storing the original defect data into an electrical product database;
(2) Performing assignment conversion and cleaning on the original defect data to obtain secondary defect data;
(3) Constructing a logistic regression model according to the secondary defect data;
(4) And evaluating the operation quality of the electric appliance products produced by the electric appliance product manufacturers according to the probability of the defects of each grade of the electric appliance product manufacturers and the correlation coefficient.
6. The method of controlling an electric product inspection apparatus according to claim 5, wherein the original defect data includes a year of defect, a severity level, a device name, a part name, a defect description, a defect type, and a manufacturer.
7. The method for controlling an electrical product detection device according to claim 4, wherein in the third step, when the lifetime of the electrical product is predicted by the lifetime prediction module, the lifetime prediction method adopted by the lifetime prediction module is as follows:
1) Configuring parameters of test equipment, and performing performance test on the electrical product through the test equipment according to the service environment of the electrical product to be tested, wherein the service environment comprises the load resistance value and the input current of the electrical product;
2) Acquiring a performance test result corresponding to the performance test, wherein the performance test result comprises the actual opening and closing frequency of a contact; and predicting the residual life of the electric appliance product according to the corresponding relation between the actual opening and closing frequency of the contact and the residual life.
8. The control method of the electric product detection device according to claim 7, wherein the performance test includes a tape load performance test; before the predicting the remaining life of the electric product according to the performance test result, the method further comprises:
adjusting the load resistance value and monitoring the on-off state of the electrical product to obtain a performance test result corresponding to the on-load performance test;
acquiring working current when contacts of an electric product are contacted and working voltage between the contacts;
and determining the contact resistance of the electrical product according to the working current and the working voltage.
9. The method for controlling an electrical product detection device according to claim 4, wherein when the data acquisition module in the second step preprocesses the acquired data, the adopted data preprocessing method includes:
filtering the acquired voltage data, resistance data and power data by using an alternative hybrid filter based on mathematical morphology;
and removing noise, extracting a real signal, and performing phase-mode conversion on the processed voltage data, resistance data and power data to obtain line-mode traveling wave data.
10. A computer device, characterized in that the computer device comprises a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to carry out the method of controlling an electric product detection apparatus according to any one of claims 4 to 9.
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| CN114282434A (en) * | 2021-12-16 | 2022-04-05 | 成都航天科工大数据研究院有限公司 | Industrial equipment health management system and method |
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