CN114002608A - Detection method, detection device and detection system for power supply device - Google Patents

Detection method, detection device and detection system for power supply device Download PDF

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Publication number
CN114002608A
CN114002608A CN202111277648.XA CN202111277648A CN114002608A CN 114002608 A CN114002608 A CN 114002608A CN 202111277648 A CN202111277648 A CN 202111277648A CN 114002608 A CN114002608 A CN 114002608A
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time
real
frequency
determining
power supply
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郭远平
苏彩虹
潘海波
周飞龙
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Gongniu Group Co Ltd
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Gongniu Group Co Ltd
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    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40Testing power supplies

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Abstract

The application provides a detection method, a detection device and a detection system of a power supply device, wherein the power supply device comprises a power supply body and a filter circuit connected with the power supply body, the filter circuit is used for filtering an electric signal output by the power supply body, and the detection method comprises the following steps: acquiring a plurality of real-time voltages corresponding to a plurality of moments of the electric signal, wherein one moment corresponds to one real-time voltage; acquiring a first real-time frequency of the electric signal at each moment and a second real-time frequency of the filtered electric signal at each moment; and determining the filtering effect of the filtering circuit according to the real-time voltages, the first real-time frequencies and the second real-time frequencies. The problem that a power supply detection device with a protection function for a power supply in the prior art cannot reflect the good and bad effect of the protection function is solved well.

Description

Detection method, detection device and detection system for power supply device
Technical Field
The present application relates to the field of power management, and in particular, to a detection method, a detection device, a computer-readable storage medium, a processor, and a detection system for a power device.
Background
The current power management has incomplete detection of power parameters. One of the power supply detection coefficients in the market is a special power statistics socket, which takes one day as a unit, counts the daily power consumption, needs a consumer to manually input the electricity fee per degree, and displays the daily electricity fee and the accumulated historical electricity fee; the other type is the WiFi socket, and the main function is through cell-phone APP to equipment control such as switching on and off and timing, shows parameter information such as real-time current, voltage simultaneously.
The two types of the power supply parameters are displayed in real time, so that a consumer cannot clearly know whether the power supply of the current household line is in a normal range; for power management with a protection function on equipment, whether the protection function is invalid or not is only displayed on the equipment body by an indicator lamp, but the protection effect is not reflected.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The present application mainly aims to provide a detection method, a detection device, a computer-readable storage medium, a processor, and a detection system for a power supply device, so as to solve the problem that the power supply detection device having a protection function for a power supply in the prior art cannot reflect the quality of the protection function.
According to an aspect of the embodiments of the present invention, there is provided a detection method of a power supply device, the power supply device including a power supply body and a filter circuit connected to the power supply body, the filter circuit being configured to filter an electrical signal output by the power supply body, the method including: acquiring a plurality of real-time voltages corresponding to a plurality of moments of the electric signal, wherein one moment corresponds to one real-time voltage; acquiring a first real-time frequency of the electric signal at each moment and a second real-time frequency of the filtered electric signal at each moment; and determining the filtering effect of the filtering circuit according to each real-time voltage, each first real-time frequency and each second real-time frequency.
Optionally, determining a filtering effect of the filtering circuit according to each of the real-time voltages, each of the first real-time frequencies, and each of the second real-time frequencies includes: determining an average frequency, a target frequency and a target voltage of the power supply body, wherein the average frequency is determined according to the plurality of first real-time frequencies and/or the plurality of second real-time frequencies, the target frequency is one of a plurality of standard frequencies, and the target voltage is one of a plurality of standard voltages; determining first quality data at each moment according to each first real-time frequency, each real-time voltage, the average frequency, the target frequency and the target voltage, wherein the first quality data are data representing the transmission quality of the electric signal; determining second quality data at each time according to each second real-time frequency, each real-time voltage, the average frequency, the target frequency and the target voltage, wherein the second quality data are data representing transmission quality of the filtered electric signal; and determining the filtering effect according to the first quality data and the second quality data.
Optionally, determining the first quality data at each time according to each of the first real-time frequency, each of the real-time voltage, the average frequency, the target frequency, and the target voltage, includes: determining first bad data at each moment according to each first real-time frequency and the target frequency, wherein the first bad data are data representing the distortion maintaining condition of the electric signal; according to the formula
Figure BDA0003330043130000021
Determining a plurality of first quality data, wherein x and y are amplification coefficients respectively, a is the first real-time frequency, b is the real-time voltage, c is the average frequency, d is the target frequency, e is the target voltage, and f is the first bad data.
Optionally, determining the first bad data at each time according to each of the first real-time frequencies and the target frequency, including: a first real-time frequency determining step of determining whether the first real-time frequency at a first predetermined time, each time including the first predetermined time, is equal to the target frequency; a first bad data determining step of determining that the first bad data at the first predetermined time is a first reference value added by a first step value when the first real-time frequency is not equal to the target frequency, wherein the first reference value is the first bad data corresponding to a previous time of the first predetermined time; determining the first bad data as a first fixed value under the condition that the first real-time frequency is equal to the target frequency; and a first circulation step of executing the first real-time frequency determination step and the first bad data determination step for a predetermined number of times until all the first real-time frequencies are determined, so as to obtain a plurality of first bad data.
Optionally, determining second quality data at each of the moments according to each of the second real-time frequencies, each of the real-time voltages, the average frequency, the target frequency, and the target voltage, includes: determining second bad data at each moment according to each second real-time frequency and the target frequency, wherein the second bad data are data representing the distortion maintaining condition of the filtered electric signal; according to the formula
Figure BDA0003330043130000022
Determining a plurality of second quality data, wherein x and y are amplification coefficients respectively, g is the second real-time frequency, b is the real-time voltage, c is the average frequency, d is the target frequency, e is the target voltage, and h is the second bad data.
Optionally, determining second bad data at each of the moments according to each of the second real-time frequencies and the target frequency, including: a second real-time frequency determining step of determining whether or not the second real-time frequency at a second predetermined time, each of which includes the second predetermined time, is equal to the target frequency; a second bad data determining step, in which, when the second real-time frequency is not equal to the target frequency, the second bad data at the second predetermined time is determined to be a second reference value added with a second step value, and the second reference value is the second bad data corresponding to the previous time of the second predetermined time; determining the second bad data to be a second fixed value under the condition that the second real-time frequency is equal to the target frequency; and a second circulation step, wherein the second real-time frequency determination step and the second bad data determination step are executed for a preset number of times until all the second real-time frequencies are determined, so that a plurality of second bad data are obtained.
Optionally, determining the target frequency of the power supply body includes: determining a first difference between the average frequency and a plurality of the standard frequencies; determining the standard frequency corresponding to the minimum value in the first difference values as the target frequency, and determining the target voltage of the power supply body, including: determining a second difference between the real-time voltage and a plurality of the standard voltages; and determining the standard voltage corresponding to the minimum value in the second difference values as the target voltage.
Optionally, determining the filtering effect according to each of the first quality data and each of the second quality data includes: fitting the plurality of first quality data by taking time as an abscissa to obtain a first quality curve, and fitting the plurality of second quality data to obtain a second quality curve; and identifying the areas which are larger than a preset threshold value in the first quality curve and the second quality curve, and determining the filtering effect according to the identification result.
According to another aspect of the embodiments of the present invention, there is also provided a detection apparatus for a power supply apparatus, where the power supply apparatus includes a power supply body and a filter circuit connected to the power supply body, the filter circuit is configured to filter an electrical signal output by the power supply body, the apparatus includes a first obtaining unit, a second obtaining unit, and a determining unit, where the first obtaining unit is configured to obtain a plurality of real-time voltages corresponding to a plurality of times of the electrical signal, where one of the times corresponds to one of the real-time voltages; the second obtaining unit is configured to obtain a first real-time frequency of the electrical signal at each of the moments and a second real-time frequency of the filtered electrical signal at each of the moments; the determining unit is used for determining the filtering effect of the filtering circuit according to each real-time voltage, each first real-time frequency and each second real-time frequency.
According to still another aspect of embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program executes any one of the methods.
According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a program, where the program executes any one of the methods.
According to another aspect of the embodiments of the present invention, there is also provided a detection system, including a power supply device and a detection device of the power supply device, where the power supply device includes a power supply body and a filter circuit connected to the power supply body, and the filter circuit is configured to filter an electrical signal output by the power supply body; the detection means are adapted to run a program adapted to perform any of the methods.
By adopting the embodiment of the application, in the detection method of the power supply device, the power supply device comprises a power supply body and a filter circuit connected with the power supply body, the method comprises the steps of firstly obtaining real-time voltages of electric signals of the power supply body at a plurality of moments, and then respectively obtaining real-time frequencies of the electric signals at each moment before and after filtering; and finally, determining the filtering effect of the filtering circuit according to the real-time voltage and the real-time frequency. Compared with the prior art, the power supply management with the protection function for the equipment only displays whether the protection function is invalid or not on the equipment body by the indicator lamp, and the problem of the protection effect cannot be determined.
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The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 shows a schematic flow diagram of a detection method of a power supply apparatus according to an embodiment of the application;
fig. 2 shows a schematic diagram of a detection arrangement of a power supply arrangement according to an embodiment of the application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall be covered by the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As mentioned in the background art, the power detection apparatus having a protection function for a power supply in the prior art cannot show how effective the protection function is, and in order to solve the above problems, in an exemplary embodiment of the present application, a detection method, a detection apparatus, a computer-readable storage medium, a processor, and a detection system for a power supply apparatus are provided.
According to an embodiment of the present application, there is provided a detection method of a power supply device.
Fig. 1 is a flowchart of a detection method of a power supply device according to an embodiment of the present application. The power supply device comprises a power supply body and a filter circuit connected with the power supply body, wherein the filter circuit is used for filtering an electric signal output by the power supply body, and as shown in fig. 1, the method comprises the following steps:
step S101, acquiring a plurality of real-time voltages corresponding to a plurality of moments of the electric signal, wherein one moment corresponds to one real-time voltage;
step S102, acquiring a first real-time frequency of the electric signal at each time and a second real-time frequency of the filtered electric signal at each time;
step S103, determining a filtering effect of the filter circuit according to each of the real-time voltages, each of the first real-time frequencies, and each of the second real-time frequencies.
In the method, first, real-time voltages of electric signals of the power supply body at a plurality of moments are obtained, and then, real-time frequencies of the electric signals before and after filtering at the moments are respectively obtained; and finally, determining the filtering effect of the filter circuit according to the real-time voltage and the real-time frequency. Compared with the prior art, the power supply management with the protection function for the equipment only displays whether the protection function is invalid or not on the equipment body by the indicator lamp, and the problem of the protection effect cannot be determined.
In an actual application process, the method may be applied to a terminal with a display device, the power supply device further includes a wireless communication module, the power supply device sends the real-time voltage, the first real-time frequency, and the second real-time frequency to the terminal through the wireless communication module, and the terminal determines a filtering effect of the filter circuit according to the data. After determining the filtering effect of the filtering circuit, the method further includes: and controlling the terminal of the display device to display the filtering effect. Specifically, the terminal may be an intelligent terminal, or may be an APP or other applet, and the user may view the filtering effect through a display device on the terminal.
Specifically, the first real-time frequency and the second real-time frequency may be obtained by counting the number of zero-crossing points of the electrical signal before and after filtering in a predetermined time period. Of course, the manner of acquiring the first real-time frequency and the second real-time frequency is not limited to the above manner, and those skilled in the art can acquire the first real-time frequency and the second real-time frequency according to any feasible frequency test circuit in the prior art.
According to a specific embodiment of the present application, determining a filtering effect of the filtering circuit according to each of the real-time voltages, each of the first real-time frequencies, and each of the second real-time frequencies includes: determining an average frequency, a target frequency and a target voltage of the power supply body, wherein the average frequency is determined according to a plurality of first real-time frequencies and/or a plurality of second real-time frequencies, the target frequency is one of a plurality of standard frequencies, and the target voltage is one of a plurality of standard voltages; determining first quality data at each of the time points based on each of the first real-time frequencies, each of the real-time voltages, the average frequency, the target frequency, and the target voltage, the first quality data being data representing transmission quality of the electrical signal; determining second quality data at each of the time points based on each of the second real-time frequencies, each of the real-time voltages, the average frequency, the target frequency, and the target voltage, the second quality data being data indicative of transmission quality of the filtered electrical signal; and determining the filtering effect according to the first quality data and the second quality data. The filtering effect is determined according to the transmission quality data of the electric signal before filtering and the transmission quality data of the electric signal after filtering corresponding to the preset moments, so that the filtering and purifying effects of the filtering circuit are further ensured to be visually embodied, and a user can further know the filtering effect of the filtering circuit clearly.
Specifically, the average frequency may be obtained by averaging the first real-time frequencies at a plurality of time points, or the average frequency may be obtained by averaging the second real-time frequencies at a plurality of time points. For example, the first real-time frequency at 10 times is averaged to obtain the average frequency at 10 times.
In an actual application process, after determining second quality data at each of the time points according to each of the second real-time frequency, each of the real-time voltage, the average frequency, the target frequency, and the target voltage, the method further includes: and controlling the display device to display the first quality data at each time and the second quality data at each time. Therefore, the user can clearly know the real-time working parameters of the power supply body of the current household line.
In order to obtain the first quality data at a plurality of time instants more simply and accurately so as to further ensure that the filtering effect of the filter circuit can be understood more clearly subsequently, according to another specific embodiment of the present application, the determining the first quality data at each time instant according to each of the first real-time frequency, each of the real-time voltage, the average frequency, the target frequency, and the target voltage includes: determining first failure data at each of the time points based on each of the first real-time frequencies and the target frequency, the first failure data being data representing a distortion maintenance state of the electrical signal; according to the formula
Figure BDA0003330043130000061
Determining a plurality of the first quality data, wherein x and y are amplification factors, a is the first real-time frequency, b is the real-time voltage, c is the average frequency, d is the target frequency, e is the target voltage, and f is the first bad data.
In another specific embodiment of the present application, the determining the first bad data at each of the time points according to each of the first real-time frequencies and the target frequency includes: a first real-time frequency determining step of determining whether or not the first real-time frequency at a first predetermined time, each of which includes the first predetermined time, is equal to the target frequency; a first bad data determining step of determining that the first bad data at the first predetermined time is a first reference value added by a first step value when the first real-time frequency is not equal to the target frequency, the first reference value being the first bad data corresponding to a time immediately before the first predetermined time; determining the first bad data as a first fixed value under the condition that the first real-time frequency is equal to the target frequency; a first loop step of executing the first real-time frequency determining step and the first bad data determining step for a predetermined number of times until all the first real-time frequencies are determined, and obtaining a plurality of first bad data. The plurality of first bad data can visually show that the electric signals are all in a distorted state at a plurality of continuous moments.
Specifically, in one embodiment, the first fixed value is 1, the first step value is 0.1, for example, when the first failure data at the previous time is 1.2, if the first real-time frequency at the current time is not equal to the target frequency, the first failure data at the current time is 1.2+0.1, and when the first real-time frequency at the next time is not equal to the target frequency yet, the first failure data at the next time is 1.2+0.1+ 0.1; when the first real-time frequency at the current time is equal to the target frequency, the first defective data at the current time is 1, and when the first real-time frequency at the next time is not equal to the target frequency, the first defective data at the next time is 1+ 0.1. Of course, the first fixed value and the first step value are not limited to 1 and 0.1, and may be other values.
In order to obtain the second quality data at a plurality of time instants more simply and accurately so as to further ensure that the filtering effect of the filtering circuit can be understood more clearly subsequently, in another specific embodiment of the present application, the determining the second quality data at each of the time instants according to each of the second real-time frequencies, each of the real-time voltages, the average frequency, the target frequency, and the target voltage includes: determining second bad data at each of the time points based on each of the second real-time frequencies and the target frequency, the second bad data being data representing a distortion maintenance condition of the filtered electrical signal; according to the following formula:
Figure BDA0003330043130000071
determining a plurality of second quality data, wherein x and y are amplification factors, g is the second real-time frequency, b is the real-time voltage, c is the average frequency, d is the target frequency, e is the target voltage, and h is the second bad data.
In a specific embodiment of the present application, determining the second bad data at each of the time points according to each of the second real-time frequencies and the target frequency includes: a second real-time frequency determining step of determining whether or not the second real-time frequency at a second predetermined time, each of which includes the second predetermined time, is equal to the target frequency; a second bad data determining step of determining that the second bad data at the second predetermined time is a second reference value added by a second step value when the second real-time frequency is not equal to the target frequency, the second reference value being the second bad data corresponding to a previous time of the second predetermined time; determining the second bad data to be a second fixed value under the condition that the second real-time frequency is equal to the target frequency; and a second loop step of executing the second real-time frequency determining step and the second bad data determining step for a predetermined number of times until all the second real-time frequencies are determined, thereby obtaining a plurality of second bad data. The second bad data can visually show that the filtered electric signals are all in a distortion state at a plurality of continuous moments.
Specifically, in one embodiment, the second fixed value is 1, the second step value is 0.1, for example, when the second bad data at the previous time is 1.2, if the second real-time frequency at the current time is not equal to the target frequency, the second bad data at the current time is 1.2+0.1, and when the second real-time frequency at the next time is not equal to the target frequency yet, the second bad data at the next time is 1.2+0.1+ 0.1; when the second real-time frequency at the current time is equal to the target frequency, the second defective data at the current time is 1, and when the second real-time frequency at the next time is not equal to the target frequency, the second defective data at the next time is 1+ 0.1. Of course, the second fixed value and the second step value are not limited to 1 and 0.1, and may be other values, and the first fixed value may be the same as or different from the second fixed value; the first step value may be the same as or different from the second step value.
In an actual application process, the standard frequency and the standard voltage of the power supply body in different areas may be different, for example, the standard frequency may be 50Hz or 60Hz, and the standard voltage may be 220V or 110V, in which case, in order to obtain the filtering effect more accurately in the following, according to a specific embodiment of the present application, determining the target frequency of the power supply body includes: determining a first difference between said average frequency and a plurality of said standard frequencies; determining the standard frequency corresponding to the minimum value of the first difference values as the target frequency, and determining the target voltage of the power supply body, includes: determining a second difference between said real time voltage and a plurality of said reference voltages; and determining the standard voltage corresponding to the minimum value of the second difference values as the target voltage.
In order to further ensure that the filtering effect can be visually displayed and further enable a user to clearly see the anti-interference and anti-surge capabilities of the filtering circuit, the method for determining the filtering effect according to the first quality data and the second quality data comprises the following steps: fitting the plurality of first quality data by taking time as an abscissa to obtain a first quality curve, and fitting the plurality of second quality data to obtain a second quality curve; and identifying the areas which are larger than a preset threshold value in the first quality curve and the second quality curve, and determining the filtering effect according to the identification result.
In a specific embodiment, in the first and second mass curves, a region exceeding a first threshold value is marked with yellow color to indicate clutter, and a region exceeding a second threshold value, which is larger than the first threshold value, is marked with red color to indicate surge.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
The embodiment of the present application further provides a detection apparatus for a power supply apparatus, and it should be noted that the detection apparatus for a power supply apparatus in the embodiment of the present application may be used to execute the detection method for a power supply apparatus provided in the embodiment of the present application. The following describes a detection device of a power supply device according to an embodiment of the present application.
Fig. 2 is a schematic diagram of a detection device of a power supply device according to an embodiment of the present application. The power supply device includes a power supply body and a filter circuit connected to the power supply body, the filter circuit is configured to filter an electrical signal output by the power supply body, as shown in fig. 2, the device includes a first obtaining unit 10, a second obtaining unit 20, and a determining unit 30, where the first obtaining unit 10 is configured to obtain a plurality of real-time voltages corresponding to a plurality of times of the electrical signal, where one of the times corresponds to one of the real-time voltages; the second acquiring unit 20 is configured to acquire a first real-time frequency of the electrical signal at each of the time instants and a second real-time frequency of the filtered electrical signal at each of the time instants; the determining unit 30 is configured to determine a filtering effect of the filter circuit according to each of the real-time voltages, each of the first real-time frequencies, and each of the second real-time frequencies.
In the detection device of the power supply device, the power supply device includes a power supply body and a filter circuit connected to the power supply body, and the device acquires real-time voltages of an electric signal of the power supply body at a plurality of times by the first acquisition unit and acquires real-time frequencies of the electric signal at each of the times before and after filtering by the second acquisition unit, respectively; and determining the filtering effect of the filtering circuit through the determining unit according to the real-time voltage and the real-time frequency. Compared with the prior art, the power supply management with the protection function to equipment only shows with the pilot lamp whether the protection function is invalid on the equipment body, can't confirm the problem of protection effect, the above-mentioned device of this application is according to the signal of telecommunication of power supply body and the real-time frequency around the signal of telecommunication filtering, confirm filter circuit's filtering effect, can embody filter circuit's filtering and purification directly perceived like this, make the user know above-mentioned filter circuit's filtering effect comparatively clearly, the problem of the power supply detection device that has the protection function to the power among the prior art can't embody the protection function effect well is solved.
In an actual application process, the device can be applied to a terminal with a display device, the power supply device further comprises a wireless communication module, the power supply device sends the real-time voltage, the first real-time frequency and the second real-time frequency to the terminal through the wireless communication module, and the terminal determines the filtering effect of the filtering circuit according to the data. The device also comprises a first display unit, wherein the first display unit is used for controlling the terminal of the display device to display the filtering effect after the filtering effect of the filtering circuit is determined. Specifically, the terminal may be an intelligent terminal, or may be an APP or other applet, and the user may view the filtering effect through a display device on the terminal.
Specifically, the first real-time frequency and the second real-time frequency may be obtained by counting the number of zero-crossing points of the electrical signal before and after filtering in a predetermined time period. Of course, the manner of acquiring the first real-time frequency and the second real-time frequency is not limited to the above manner, and those skilled in the art can acquire the first real-time frequency and the second real-time frequency according to any feasible frequency test circuit in the prior art.
According to a specific embodiment of the present application, the determining unit includes a first determining module, a second determining module, a third determining module, and a fourth determining module, wherein the first determining module is configured to determine an average frequency, a target frequency, and a target voltage of the power supply body, the average frequency is determined according to a plurality of the first real-time frequencies and/or a plurality of the second real-time frequencies, the target frequency is one of a plurality of standard frequencies, and the target voltage is one of a plurality of standard voltages; the second determining module is configured to determine first quality data at each of the time instants according to each of the first real-time frequency, each of the real-time voltage, the average frequency, the target frequency, and the target voltage, where the first quality data is data representing transmission quality of the electrical signal; the third determining module is configured to determine second quality data at each of the time instants according to each of the second real-time frequencies, each of the real-time voltages, the average frequency, the target frequency, and the target voltage, where the second quality data is data representing transmission quality of the filtered electrical signal; the fourth determining module is configured to determine the filtering effect according to each of the first quality data and each of the second quality data. The filtering effect is determined according to the transmission quality data of the electric signal before filtering and the transmission quality data of the electric signal after filtering corresponding to the preset moments, so that the filtering and purifying effects of the filtering circuit are further ensured to be visually embodied, and a user can further know the filtering effect of the filtering circuit clearly.
Specifically, the average frequency may be obtained by averaging the first real-time frequencies at a plurality of time points, or the average frequency may be obtained by averaging the second real-time frequencies at a plurality of time points. For example, the first real-time frequency at 10 times is averaged to obtain the average frequency at 10 times.
In practical applications, the apparatus further includes a second display unit configured to control the display device to display the first quality data at each of the times and the second quality data at each of the times after determining the second quality data at each of the times based on each of the second real-time frequencies, each of the real-time voltages, the average frequency, the target frequency, and the target voltage. Therefore, the user can clearly know the real-time working parameters of the power supply body of the current household line.
In order to obtain the first quality data at a plurality of moments simply and accurately, so as to further ensure that the filtering effect of the filter circuit can be known clearly in the following process, according to another specific embodiment of the present application, the second determining module includes a first determining submodule and a second determining submodule, wherein the first determining submodule is configured to determine first bad data at each moment according to each of the first real-time frequencies and the target frequency, and the first bad data is data representing a distortion maintaining condition of the electrical signal; the second determination submodule is configured to be according to
Figure BDA0003330043130000091
Determining a plurality of the first quality data, wherein x and y are amplification factors, a is the first real-time frequency, b is the real-time voltage, c is the average frequency, d is the target frequency, e is the target voltage, and f is the first bad data.
In yet another specific embodiment of the present application, the first determining submodule is further configured to determine a first real-time frequency, where the first real-time frequency at a first predetermined time is equal to the target frequency, and each of the times includes the first predetermined time; the first determining submodule is further configured to determine, in a case where the first real-time frequency is not equal to the target frequency, that the first bad data at the first predetermined time is a first reference value added by a first step value, where the first reference value is the first bad data corresponding to a time immediately before the first predetermined time; determining the first bad data as a first fixed value under the condition that the first real-time frequency is equal to the target frequency; the first determining submodule is further configured to perform the first real-time frequency determining step and the first bad data determining step for a predetermined number of times in a first loop step until all the first real-time frequencies are determined, so as to obtain a plurality of first bad data. The plurality of first bad data can visually show that the electric signals are all in a distorted state at a plurality of continuous moments.
Specifically, in one embodiment, the first fixed value is 1, the first step value is 0.1, for example, when the first failure data at the previous time is 1.2, if the first real-time frequency at the current time is not equal to the target frequency, the first failure data at the current time is 1.2+0.1, and when the first real-time frequency at the next time is not equal to the target frequency yet, the first failure data at the next time is 1.2+0.1+ 0.1; when the first real-time frequency at the current time is equal to the target frequency, the first defective data at the current time is 1, and when the first real-time frequency at the next time is not equal to the target frequency, the first defective data at the next time is 1+ 0.1. Of course, the first fixed value and the first step value are not limited to 1 and 0.1, and may be other values.
In order to obtain the second quality data at multiple times more simply and accurately, so as to further ensure that the subsequent filtering effect of the filtering circuit can be understood more clearly, in another specific embodiment of the present application, the third determining module includes a third determining submodule and a fourth determining submodule, where the third determining submodule is configured to determine second bad data at each time according to each of the second real-time frequencies and the target frequency, and the second bad data is data representing a distortion maintaining condition of the filtered electrical signal; the fourth determination submodule is configured to:
Figure BDA0003330043130000101
determining a plurality of second quality data, wherein x and y are amplification factors, g is the second real-time frequency, b is the real-time voltage, c is the average frequency, d is the target frequency, e is the target voltage, and h is the second bad data.
In a specific embodiment of the present application, the third determining submodule is further configured to determine a second real-time frequency, where the second real-time frequency at a second predetermined time is equal to the target frequency, and each of the times includes the second predetermined time; the third determining submodule is further configured to determine a second bad data determining step, where, when the second real-time frequency is not equal to the target frequency, the second bad data at the second predetermined time is determined to be a second reference value increased by a second step value, and the second reference value is the second bad data corresponding to a time before the second predetermined time; determining the second bad data to be a second fixed value under the condition that the second real-time frequency is equal to the target frequency; the third determining submodule is further configured to perform a second loop step, where the second real-time frequency determining step and the second bad data determining step are performed for a predetermined number of times, until all the second real-time frequencies are determined, so as to obtain a plurality of second bad data. The second bad data can visually show that the filtered electric signals are all in a distortion state at a plurality of continuous moments.
Specifically, in one embodiment, the second fixed value is 1, the second step value is 0.1, for example, when the second bad data at the previous time is 1.2, if the second real-time frequency at the current time is not equal to the target frequency, the second bad data at the current time is 1.2+0.1, and when the second real-time frequency at the next time is not equal to the target frequency yet, the second bad data at the next time is 1.2+0.1+ 0.1; when the second real-time frequency at the current time is equal to the target frequency, the second defective data at the current time is 1, and when the second real-time frequency at the next time is not equal to the target frequency, the second defective data at the next time is 1+ 0.1. Of course, the second fixed value and the second step value are not limited to 1 and 0.1, and may be other values, and the first fixed value may be the same as or different from the second fixed value; the first step value may be the same as or different from the second step value.
In an actual application process, the standard frequency and the standard voltage of the power body in different regions may be different, for example, the standard frequency may be 50Hz or 60Hz, and the standard voltage may be 220V or 110V, in which case, for convenience of obtaining the filtering effect more accurately subsequently, according to a specific embodiment of the present application, the first determining module includes a fifth determining submodule and a sixth determining submodule, where the fifth determining submodule is configured to determine a first difference between the average frequency and a plurality of the standard frequencies; the sixth determining submodule is configured to determine that the standard frequency corresponding to a minimum value of the first difference values is the target frequency, and the first determining module further includes a seventh determining submodule and an eighth determining submodule, where the seventh determining submodule is configured to determine second difference values between the real-time voltage and the plurality of standard voltages; the eighth determining submodule is configured to determine the standard voltage corresponding to the minimum value of the second difference values as the target voltage.
In order to further ensure that the filtering effect can be visually displayed and further enable a user to clearly see the anti-interference and anti-surge capacity of the filtering circuit, the fourth determining module comprises a fitting submodule and an identification submodule, wherein the fitting submodule is used for fitting a plurality of first quality data by taking time as a horizontal coordinate to obtain a first quality curve and fitting a plurality of second quality data to obtain a second quality curve; the identification submodule is used for identifying the areas which are larger than the preset threshold value in the first quality curve and the second quality curve, and determining the filtering effect according to the identification result.
In a specific embodiment, in the first and second mass curves, a region exceeding a first threshold value is marked with yellow color to indicate clutter, and a region exceeding a second threshold value, which is larger than the first threshold value, is marked with red color to indicate surge.
The detection device of the power supply device comprises a processor and a memory, wherein the first acquisition unit, the second acquisition unit, the determination unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the problem that the power supply detection device with the protection function on the power supply in the prior art cannot show the good or bad effect of the protection function is solved by adjusting the kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a computer-readable storage medium on which a program is stored, the program implementing the above-described detection method of a power supply device when executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the detection method of the power supply device is executed when the program runs.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, acquiring a plurality of real-time voltages corresponding to a plurality of moments of the electric signal, wherein one moment corresponds to one real-time voltage;
step S102, acquiring a first real-time frequency of the electric signal at each time and a second real-time frequency of the filtered electric signal at each time;
step S103, determining a filtering effect of the filter circuit according to each of the real-time voltages, each of the first real-time frequencies, and each of the second real-time frequencies.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, acquiring a plurality of real-time voltages corresponding to a plurality of moments of the electric signal, wherein one moment corresponds to one real-time voltage;
step S102, acquiring a first real-time frequency of the electric signal at each time and a second real-time frequency of the filtered electric signal at each time;
step S103, determining a filtering effect of the filter circuit according to each of the real-time voltages, each of the first real-time frequencies, and each of the second real-time frequencies.
According to another exemplary embodiment of the present application, there is provided a detection system, including a power supply device and a detection device of the power supply device, wherein the power supply device includes a power supply body and a filter circuit connected to the power supply body, and the filter circuit is configured to filter an electrical signal output by the power supply body; the detection device is adapted to run a program adapted to perform any of the methods described above.
The detection system comprises a power supply device and a detection device thereof, wherein the power supply device comprises a power supply body and a filter circuit connected with the power supply body, the detection device is used for executing any one of the methods, and the method determines the filtering effect of the filter circuit according to the electric signal of the power supply body and the real-time frequency before and after the electric signal is filtered, so that the filtering and purifying effects of the filter circuit can be visually embodied, a user can clearly know the filtering effect of the filter circuit, and the problem that the power supply detection device with the protection function in the prior art cannot embody the effect of the protection function is well solved.
According to a specific embodiment of the present application, the filter circuit includes a filter module and an anti-surge module electrically connected to each other. Through above-mentioned filtering module and above-mentioned anti-surge module, can get rid of clutter and surge in the signal of telecommunication of above-mentioned power body output betterly.
In an actual application process, the filter circuit further comprises an overload protection module and/or a misconnection prevention detection module. Through the overload protection module and the misconnection prevention detection module, the protection of the filter circuit on the power supply body is further ensured.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) in the method, first, real-time voltages of electric signals of the power supply body at a plurality of moments are obtained, and then, real-time frequencies of the electric signals at the moments before and after filtering are respectively obtained; and finally, determining the filtering effect of the filter circuit according to the real-time voltage and the real-time frequency. Compared with the prior art, the power supply management with the protection function for the equipment only displays whether the protection function is invalid or not on the equipment body by the indicator lamp, and the problem of the protection effect cannot be determined.
2) In the detection device of the power supply device, the power supply device includes a power supply body and a filter circuit connected to the power supply body, the device acquires real-time voltages of an electric signal of the power supply body at a plurality of times through the first acquisition unit, and respectively acquires real-time frequencies of the electric signal at each of the times before and after filtering through the second acquisition unit; and determining the filtering effect of the filtering circuit through the determining unit according to the real-time voltage and the real-time frequency. Compared with the prior art, the power supply management with the protection function to equipment only shows with the pilot lamp whether the protection function is invalid on the equipment body, can't confirm the problem of protection effect, the above-mentioned device of this application is according to the signal of telecommunication of power supply body and the real-time frequency around the signal of telecommunication filtering, confirm filter circuit's filtering effect, can embody filter circuit's filtering and purification directly perceived like this, make the user know above-mentioned filter circuit's filtering effect comparatively clearly, the problem of the power supply detection device that has the protection function to the power among the prior art can't embody the protection function effect well is solved.
3) The detection system comprises a power supply device and a detection device thereof, wherein the power supply device comprises a power supply body and a filter circuit connected with the power supply body, the detection device is used for executing any one of the methods, and the filtering effect of the filter circuit is determined according to the electric signal of the power supply body and the real-time frequency before and after the electric signal is filtered, so that the filtering and purifying effects of the filter circuit can be visually embodied, a user can clearly know the filtering effect of the filter circuit, and the problem that the power supply detection device with the protection function for the power supply in the prior art cannot embody the effect of the protection function is well solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection of the present application.

Claims (12)

1. A detection method of a power supply device, wherein the power supply device comprises a power supply body and a filter circuit connected with the power supply body, and the filter circuit is used for filtering an electric signal output by the power supply body, and the method comprises the following steps:
acquiring a plurality of real-time voltages corresponding to a plurality of moments of the electric signal, wherein one moment corresponds to one real-time voltage;
acquiring a first real-time frequency of the electric signal at each moment and a second real-time frequency of the filtered electric signal at each moment;
and determining the filtering effect of the filtering circuit according to each real-time voltage, each first real-time frequency and each second real-time frequency.
2. The method of claim 1, wherein determining a filtering effect of the filtering circuit based on each of the real-time voltages, each of the first real-time frequencies, and each of the second real-time frequencies comprises:
determining an average frequency, a target frequency and a target voltage of the power supply body, wherein the average frequency is determined according to the plurality of first real-time frequencies and/or the plurality of second real-time frequencies, the target frequency is one of a plurality of standard frequencies, and the target voltage is one of a plurality of standard voltages;
determining first quality data at each moment according to each first real-time frequency, each real-time voltage, the average frequency, the target frequency and the target voltage, wherein the first quality data are data representing the transmission quality of the electric signal;
determining second quality data at each time according to each second real-time frequency, each real-time voltage, the average frequency, the target frequency and the target voltage, wherein the second quality data are data representing transmission quality of the filtered electric signal;
and determining the filtering effect according to the first quality data and the second quality data.
3. The method of claim 2, wherein determining first quality data for each of the time instants based on each of the first real-time frequency, each of the real-time voltage, the average frequency, the target frequency, and the target voltage comprises:
determining first bad data at each moment according to each first real-time frequency and the target frequency, wherein the first bad data are data representing the distortion maintaining condition of the electric signal;
according to the formula
Figure FDA0003330043120000011
Determining a plurality of first quality data, wherein x and y are amplification coefficients respectively, a is the first real-time frequency, b is the real-time voltage, c is the average frequency, d is the target frequency, e is the target voltage, and f is the first bad data.
4. The method of claim 3, wherein determining first bad data for each of the time instants according to each of the first real-time frequencies and the target frequency comprises:
a first real-time frequency determining step of determining whether the first real-time frequency at a first predetermined time, each time including the first predetermined time, is equal to the target frequency;
a first bad data determining step of determining that the first bad data at the first predetermined time is a first reference value added by a first step value when the first real-time frequency is not equal to the target frequency, wherein the first reference value is the first bad data corresponding to a previous time of the first predetermined time; determining the first bad data as a first fixed value under the condition that the first real-time frequency is equal to the target frequency;
and a first circulation step of executing the first real-time frequency determination step and the first bad data determination step for a predetermined number of times until all the first real-time frequencies are determined, so as to obtain a plurality of first bad data.
5. The method of claim 2, wherein determining second quality data for each of the time instants based on each of the second real-time frequencies, each of the real-time voltages, the average frequency, the target frequency, and the target voltage comprises:
determining second bad data at each moment according to each second real-time frequency and the target frequency, wherein the second bad data are data representing the distortion maintaining condition of the filtered electric signal;
according to the formula
Figure FDA0003330043120000021
Determining a plurality of second quality data, wherein x and y are amplification coefficients respectively, g is the second real-time frequency, b is the real-time voltage, c is the average frequency, d is the target frequency, e is the target voltage, and h is the second bad data.
6. The method of claim 5, wherein determining second bad data for each of the time instants according to each of the second real-time frequencies and the target frequency comprises:
a second real-time frequency determining step of determining whether or not the second real-time frequency at a second predetermined time, each of which includes the second predetermined time, is equal to the target frequency;
a second bad data determining step, in which, when the second real-time frequency is not equal to the target frequency, the second bad data at the second predetermined time is determined to be a second reference value added with a second step value, and the second reference value is the second bad data corresponding to the previous time of the second predetermined time; determining the second bad data to be a second fixed value under the condition that the second real-time frequency is equal to the target frequency;
and a second circulation step, wherein the second real-time frequency determination step and the second bad data determination step are executed for a preset number of times until all the second real-time frequencies are determined, so that a plurality of second bad data are obtained.
7. The method of claim 2,
determining a target frequency of the power supply body, comprising:
determining a first difference between the average frequency and a plurality of the standard frequencies;
determining the standard frequency corresponding to the minimum value in each first difference value as the target frequency,
determining a target voltage for the power supply body, comprising:
determining a second difference between the real-time voltage and a plurality of the standard voltages;
and determining the standard voltage corresponding to the minimum value in the second difference values as the target voltage.
8. The method of claim 2, wherein determining the filtering effect based on each of the first quality data and each of the second quality data comprises:
fitting the plurality of first quality data by taking time as an abscissa to obtain a first quality curve, and fitting the plurality of second quality data to obtain a second quality curve;
and identifying the areas which are larger than a preset threshold value in the first quality curve and the second quality curve, and determining the filtering effect according to the identification result.
9. The utility model provides a detection device of power supply unit, power supply unit include power supply body and with the filter circuit that power supply body is connected, filter circuit is used for filtering the signal of telecommunication of power supply body output, its characterized in that, the device includes:
the first acquisition unit is used for acquiring a plurality of real-time voltages corresponding to a plurality of moments of the electric signal, wherein one moment corresponds to one real-time voltage;
a second obtaining unit, configured to obtain a first real-time frequency of the electrical signal at each time and a second real-time frequency of the filtered electrical signal at each time;
and the determining unit is used for determining the filtering effect of the filtering circuit according to each real-time voltage, each first real-time frequency and each second real-time frequency.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored program, wherein the program performs the method of any one of claims 1 to 8.
11. A processor, characterized in that the processor is configured to run a program, wherein the program when running performs the method of any of claims 1 to 8.
12. A detection system, comprising:
the power supply device comprises a power supply body and a filter circuit connected with the power supply body, wherein the filter circuit is used for filtering an electric signal output by the power supply body;
detection means of the power supply device for running a program for carrying out the method of any one of claims 1 to 8.
CN202111277648.XA 2021-10-29 2021-10-29 Detection method, detection device and detection system for power supply device Pending CN114002608A (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101505049A (en) * 2009-03-17 2009-08-12 深圳市科陆电子科技股份有限公司 Protection apparatus and detection method for AC circuit open loop
CN101509939A (en) * 2009-03-17 2009-08-19 深圳市科陆电子科技股份有限公司 AC line short circuit protection arrangement and detecting method
CN103887811A (en) * 2013-11-04 2014-06-25 汤奕 Distributed power supply system and control method with low voltage ride through and anti-islanding protective functions
CN203800826U (en) * 2014-02-19 2014-08-27 群光电能科技股份有限公司 Power supply device with variable switching frequency
CN106019108A (en) * 2016-05-17 2016-10-12 北京华能新锐控制技术有限公司 Flashover detection circuit and method
US20160322896A1 (en) * 2015-04-29 2016-11-03 Semiconductor Components Industries, Llc Adjusting feedback voltage ripple amplitude to control power supply switching frequency
CN205720607U (en) * 2016-04-29 2016-11-23 青岛卓展机电科技有限公司 A kind of subway debugging power supply judges protection device
CN106849079A (en) * 2016-12-29 2017-06-13 武汉理工大学 Quality of power supply on-line checking and robot control system(RCS) and method based on the grid-connected ship of distributed power source
CN108832662A (en) * 2018-07-14 2018-11-16 芜湖益浩昌智能设备有限公司 A kind of high-reliability power system for new energy
CN110175388A (en) * 2019-05-21 2019-08-27 中国电子产品可靠性与环境试验研究所((工业和信息化部电子第五研究所)(中国赛宝实验室)) Switching Power Supply failure prediction method, device, computer equipment and storage medium
CN110829576A (en) * 2019-11-06 2020-02-21 漳州科华技术有限责任公司 Uninterruptible power supply input abnormity detection method and system and terminal equipment
CN111650519A (en) * 2019-03-04 2020-09-11 福特全球技术公司 System and method for detecting degradation of power supply in vehicle
CN113552498A (en) * 2021-07-02 2021-10-26 襄阳华中科技大学先进制造工程研究院 High-voltage direct-current power supply flashover detection and parameter metering system and method

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101509939A (en) * 2009-03-17 2009-08-19 深圳市科陆电子科技股份有限公司 AC line short circuit protection arrangement and detecting method
CN101505049A (en) * 2009-03-17 2009-08-12 深圳市科陆电子科技股份有限公司 Protection apparatus and detection method for AC circuit open loop
CN103887811A (en) * 2013-11-04 2014-06-25 汤奕 Distributed power supply system and control method with low voltage ride through and anti-islanding protective functions
CN203800826U (en) * 2014-02-19 2014-08-27 群光电能科技股份有限公司 Power supply device with variable switching frequency
US20160322896A1 (en) * 2015-04-29 2016-11-03 Semiconductor Components Industries, Llc Adjusting feedback voltage ripple amplitude to control power supply switching frequency
CN205720607U (en) * 2016-04-29 2016-11-23 青岛卓展机电科技有限公司 A kind of subway debugging power supply judges protection device
CN106019108A (en) * 2016-05-17 2016-10-12 北京华能新锐控制技术有限公司 Flashover detection circuit and method
CN106849079A (en) * 2016-12-29 2017-06-13 武汉理工大学 Quality of power supply on-line checking and robot control system(RCS) and method based on the grid-connected ship of distributed power source
CN108832662A (en) * 2018-07-14 2018-11-16 芜湖益浩昌智能设备有限公司 A kind of high-reliability power system for new energy
CN111650519A (en) * 2019-03-04 2020-09-11 福特全球技术公司 System and method for detecting degradation of power supply in vehicle
CN110175388A (en) * 2019-05-21 2019-08-27 中国电子产品可靠性与环境试验研究所((工业和信息化部电子第五研究所)(中国赛宝实验室)) Switching Power Supply failure prediction method, device, computer equipment and storage medium
CN110829576A (en) * 2019-11-06 2020-02-21 漳州科华技术有限责任公司 Uninterruptible power supply input abnormity detection method and system and terminal equipment
CN113552498A (en) * 2021-07-02 2021-10-26 襄阳华中科技大学先进制造工程研究院 High-voltage direct-current power supply flashover detection and parameter metering system and method

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