CN116260250B - Intelligent monitoring system for high-frequency switch direct-current power supply - Google Patents
Intelligent monitoring system for high-frequency switch direct-current power supply Download PDFInfo
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- CN116260250B CN116260250B CN202310545576.5A CN202310545576A CN116260250B CN 116260250 B CN116260250 B CN 116260250B CN 202310545576 A CN202310545576 A CN 202310545576A CN 116260250 B CN116260250 B CN 116260250B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/001—Texturing; Colouring; Generation of texture or colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30232—Surveillance
Abstract
The invention discloses an intelligent monitoring system of a high-frequency switch direct-current power supply, which is characterized in that a data acquisition module is used for acquiring a monitoring data stream of the high-frequency switch direct-current power supply when in operation, a data analysis module receives the monitoring data stream transmitted by a server, and processes the electric energy value of the high-frequency switch direct-current power supply and the electric energy value of a load end corresponding to the high-frequency switch direct-current power supply to acquire the electric energy loss value of the high-frequency switch direct-current power supply; the method and the device have the advantages that the working state of the high-frequency switch direct-current power supply is accurately identified, the working abnormality of the high-frequency switch direct-current power supply can be judged because of the abnormal electric energy loss in a certain period.
Description
Technical Field
The invention relates to the technical field of intelligent monitoring of direct-current power supplies, in particular to an intelligent monitoring system of a high-frequency switch direct-current power supply.
Background
The high-frequency switch direct-current power supply system is used as a direct-current power supply required by control, signal, protection, motion communication, direct-current illumination and the like, is applied to the fields of electric power, petroleum, chemical industry, metallurgy, machinery, papermaking, coal, building materials, textile, brewing and the like, and has higher requirements along with the progress of technology.
The utility model discloses a high frequency switch DC power supply system as in the patent application of publication No. CN105762878A, including exchanging input module, the module that charges, storage battery, battery sampling monitoring module, microcomputer monitoring module, communication interface, closing bus, voltage regulating device, control bus and insulating monitoring module, exchanging input module, the module that charges, storage battery and closing bus connect gradually, and storage battery is connected with battery sampling monitoring module, battery sampling monitoring module is connected with microcomputer monitoring module, and microcomputer monitoring module is connected with the module that charges, communication interface, insulating monitoring module and voltage regulating device respectively, voltage regulating device is connected with closing bus and control bus respectively, has advantages such as steady voltage stationary flow precision is high, response speed is fast, noise is low, efficient for switching power supply system operation is safe and reliable more.
However, in the working process of the high-frequency switch direct-current power supply in the prior art, when the high-frequency switch direct-current power supply fails in a single period, the working abnormality of the high-frequency switch direct-current power supply is judged, and obviously, the identification mode has larger limitation and defects.
Disclosure of Invention
The invention aims to provide an intelligent monitoring system of a high-frequency switch direct-current power supply, which is used for obtaining the power loss value of the high-frequency switch direct-current power supply by processing the power value of the high-frequency switch direct-current power supply and the power value of a load end corresponding to the high-frequency switch direct-current power supply, carrying out image processing on the power loss value of the high-frequency switch direct-current power supply between the power loss value with the maximum time period and the power loss value with the minimum time period of the preset high-frequency switch direct-current power supply, obtaining the power loss abnormality of the high-frequency switch direct-current power supply in a period, carrying out continuous processing on the power loss abnormality in a plurality of periods, and identifying whether the power loss abnormality is occasional or exists in the period of the high-frequency switch direct-current power supply.
The aim of the invention can be achieved by the following technical scheme:
the intelligent monitoring system for the high-frequency switch direct-current power supply comprises a data acquisition module, a data analysis module, an intelligent early warning module and a server;
the data acquisition module is used for acquiring a monitoring data stream of the high-frequency switch direct-current power supply when in operation, and the data acquisition module sends the acquired monitoring data stream to the server;
the data analysis module receives the monitoring data stream transmitted by the server, processes the electric energy value of the high-frequency switch direct-current power supply and the electric energy value of the load end corresponding to the high-frequency switch direct-current power supply, and obtains the electric energy loss value of the high-frequency switch direct-current power supply;
performing image processing on the power consumption value of the high-frequency switch direct-current power supply to obtain power consumption abnormality of the high-frequency switch direct-current power supply in a period, continuously processing the power consumption abnormality in a plurality of periods, and identifying whether the high-frequency switch direct-current power supply is occasional power consumption abnormality or has power consumption abnormality in the period to obtain a working abnormality signal of the high-frequency switch direct-current power supply;
the intelligent early warning module is based on the working abnormal signal of the high-frequency switch direct-current power supply, and combines the working temperature and the working noise of the high-frequency switch direct-current power supply to obtain the early warning level of the high-frequency switch direct-current power supply.
As a further scheme of the invention: the monitoring data flow comprises working current and working voltage of the high-frequency switch direct-current power supply and a load end, working temperature of the high-frequency switch direct-current power supply and working noise of the high-frequency switch direct-current power supply.
As a further scheme of the invention: the process of the data analysis module obtaining the electric energy loss value of the high-frequency switch direct-current power supply by monitoring the data flow is as follows:
acquiring working voltage and working current of the high-frequency switch direct-current power supply, multiplying the working voltage and the working current, and integrating the working voltage and the working current with time to acquire working electric energy of each time period of the high-frequency switch direct-current power supply;
acquiring working voltage and working current of a load end, multiplying the working voltage and the working current, and integrating time to acquire working electric energy of each time period of the load end;
and (3) carrying out difference between the working electric energy of each time period of the high-frequency switch direct-current power supply and the working electric energy of each time period of the load end to obtain electric energy difference, integrating the electric energy difference with time to obtain electric energy loss values of each time period, and recording the electric energy loss values of each time period as DE.
As a further scheme of the invention: the maximum electric energy loss value of the high-frequency switch direct-current power supply in each time period is DEmax, and the minimum electric energy loss value in each time period is DEmin;
scribing the high-frequency switch direct-current power supply with the maximum electric energy loss value DEmax in each time period and the minimum electric energy loss value DEmin in each time period in an X-Y two-dimensional coordinate system according to time sequence to form a box image of the electric energy loss limit value of the high-frequency switch direct-current power supply;
integrating the electric energy difference with time to obtain electric energy loss values DE of each time period, and connecting the electric energy loss values DE in an X-Y two-dimensional coordinate system according to time sequence to form an electric energy loss value image;
and coloring the upper edge part of the box body image, which breaks through the electric energy loss limit value, of the electric energy loss value image to obtain an electric energy loss value region.
As a further scheme of the invention: performing projection photographing on the electric energy loss value region to obtain a closed region photo, amplifying the closed region photo by a plurality of times to form a pixel table photo, and counting the number of colored pixels in the pixel table photo;
the total number of the pixel grids is obtained in each independent working period, and the total number of the pixel grids in the period is recorded as SUT;
acquiring a threshold value of the number of pixel grids in a working period by presetting a high-frequency switch direct current power supply as sut;
comparing the total number SUT of the pixel grid number in the period with a threshold SUT of the pixel grid number acquired in the period;
if the total number SUT of the pixel cells in the period is larger than the threshold SUT of the number of the pixel cells in the period, the power consumption of the high-frequency switch direct-current power supply in the current working period is abnormal;
if the total number SUT of the pixel cells in the period is less than or equal to the threshold SUT of the number of the pixel cells in the period, the power loss of the high-frequency switch direct-current power supply in the current working period is normal.
As a further scheme of the invention: recording the abnormal electric energy loss in the working period of the high-frequency switch direct-current power supply as a first abnormal period, and identifying the electric energy loss in a plurality of continuous periods by taking the first abnormal period as a period starting point;
if the electric energy loss in a plurality of continuous periods changes in abnormal and normal wave band, the high-frequency switch direct-current power supply works normally;
if the electric energy loss in a plurality of continuous periods is abnormal and the total number of the pixel grids is linearly changed in order to reduce the trend, the high-frequency switch direct-current power supply works normally, and a high-frequency switch direct-current power supply working normal signal is obtained;
if the electric energy loss in a plurality of continuous periods is abnormal and the total number of the pixel grids is linearly changed in an increasing trend, the abnormal operation of the high-frequency switch direct-current power supply is indicated, and an abnormal operation signal of the high-frequency switch direct-current power supply is obtained.
As a further scheme of the invention: the high frequency switch DC power supply works for 12 hours as a complete working period.
As a further scheme of the invention: the early warning level of the high-frequency switch direct current power supply comprises a primary early warning signal, a secondary early warning signal and a tertiary early warning signal;
different early warning levels correspond to early warning responses of different specifications.
As a further scheme of the invention: the server also comprises a monitoring display terminal, wherein the monitoring display terminal is used for carrying out early warning display on different early warning levels.
As a further scheme of the invention: the monitoring display terminal generates red early warning information when obtaining a primary early warning signal, generates orange early warning information when obtaining a secondary early warning signal, and generates yellow early warning information when obtaining a tertiary early warning signal.
The invention has the beneficial effects that: in the intelligent monitoring process of the high-frequency switch direct current power supply, the power value of the high-frequency switch direct current power supply and the power value of the load end corresponding to the high-frequency switch direct current power supply are processed, the power loss value of the high-frequency switch direct current power supply is obtained, the power loss value of the high-frequency switch direct current power supply is subjected to image processing between the power loss value with the largest time period and the power loss value with the smallest time period of the preset high-frequency switch direct current power supply, the power loss abnormality of the high-frequency switch direct current power supply in a period is obtained, the power loss abnormality in a plurality of periods is continuously processed, the occasional power loss abnormality or the power loss abnormality of the high-frequency switch direct current power supply in the period is identified, namely, the working state of the high-frequency switch direct current power supply is identified more accurately, the work abnormality of the high-frequency switch direct current power supply can be judged without the power loss abnormality in a certain period, and the accuracy is high.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a flow chart of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention discloses an intelligent monitoring system for a high-frequency switch direct-current power supply, which comprises a data acquisition module, a data analysis module, an intelligent early warning module and a server;
the data acquisition module is used for acquiring a monitoring data stream of the high-frequency switch direct-current power supply when in operation, and the data acquisition module sends the acquired monitoring data stream to the server;
the data analysis module receives the monitoring data stream transmitted by the server, processes the electric energy value of the high-frequency switch direct-current power supply and the electric energy value of the load end corresponding to the high-frequency switch direct-current power supply, and obtains the electric energy loss value of the high-frequency switch direct-current power supply;
performing image processing on the power consumption value of the high-frequency switch direct-current power supply to obtain power consumption abnormality of the high-frequency switch direct-current power supply in a period, continuously processing the power consumption abnormality in a plurality of periods, and identifying whether the high-frequency switch direct-current power supply is occasional power consumption abnormality or has power consumption abnormality in the period to obtain a working abnormality signal of the high-frequency switch direct-current power supply;
the intelligent early warning module is based on the working abnormal signal of the high-frequency switch direct-current power supply, and combines the working temperature and the working noise of the high-frequency switch direct-current power supply to obtain the early warning level of the high-frequency switch direct-current power supply.
The monitoring data flow comprises working current and working voltage of the high-frequency switch direct-current power supply and a load end, working temperature of the high-frequency switch direct-current power supply and working noise of the high-frequency switch direct-current power supply;
the data acquisition module comprises an electric energy acquisition unit, a temperature acquisition unit and a sound acquisition unit
The electric energy acquisition unit is used for acquiring working current and working voltage of the high-frequency switch direct-current power supply and a load end;
the electric energy acquisition unit comprises a current sensor and a voltage sensor, wherein the current sensor is used for acquiring working currents of the high-frequency switch direct-current power supply and the load end, and the voltage sensor is used for acquiring working voltages of the high-frequency switch direct-current power supply and the load end;
the temperature acquisition unit is used for acquiring the working temperature of the high-frequency switch direct-current power supply;
the noise acquisition unit is used for acquiring working noise of the high-frequency switch direct-current power supply;
the data analysis module receives the monitoring data stream transmitted by the server and processes the working current and the working voltage of the high-frequency switch direct-current power supply and the load end in the monitoring data stream;
acquiring working voltage and working current of the high-frequency switch direct-current power supply, multiplying the working voltage and the working current, and integrating the working voltage and the working current with time to acquire working electric energy of each time period of the high-frequency switch direct-current power supply;
acquiring working voltage and working current of a load end, multiplying the working voltage and the working current, and integrating time to acquire working electric energy of each time period of the load end;
the working electric energy of each time period of the high-frequency switch direct-current power supply and the working electric energy of each time period of the load end are subjected to difference to obtain electric energy difference, and the electric energy difference is integrated with time to obtain an electric energy loss value DE of each time period;
obtaining the maximum electric energy loss value DEmax of the high-frequency switch direct-current power supply in each time period, and obtaining the minimum electric energy loss value DEmin in each time period;
scribing the high-frequency switch direct-current power supply with the maximum electric energy loss value DEmax in each time period and the minimum electric energy loss value DEmin in each time period in an X-Y two-dimensional coordinate system according to time sequence to form a box image of the electric energy loss limit value of the high-frequency switch direct-current power supply;
integrating the electric energy difference with time to obtain electric energy loss values DE of each time period, and connecting the electric energy loss values DE in an X-Y two-dimensional coordinate system according to time sequence to form an electric energy loss value image;
coloring the upper edge part of the box body image, which breaks through the electric energy loss limit value, of the electric energy loss value image to obtain an electric energy loss value area;
performing projection photographing on the electric energy loss value region to obtain a closed region photo, amplifying the closed region photo by a plurality of times to form a pixel table photo, and counting the number of colored pixels in the pixel table photo;
the total number of the pixel grids is obtained in each independent working period, and the total number of the pixel grids in the period is recorded as SUT;
the working period of the high-frequency switch direct-current power supply is preferably 12 hours as a complete period; including but not limited to 12 hours;
acquiring a threshold value of the number of pixel grids in a working period by presetting a high-frequency switch direct current power supply as sut;
comparing the total number SUT of the pixel grid number in the period with a threshold SUT of the pixel grid number acquired in the period;
if the total number SUT of the pixel cells in the period is larger than the threshold SUT of the number of the pixel cells in the period, the power consumption of the high-frequency switch direct-current power supply in the current working period is abnormal;
if the total number SUT of the pixel grids in the period is less than or equal to the threshold SUT of the number of the pixel grids in the period, the high-frequency switch direct-current power supply is normal in power loss in the current working period;
recording the abnormal electric energy loss in the working period of the high-frequency switch direct-current power supply as a first abnormal period, and identifying the electric energy loss in a plurality of continuous periods by taking the first abnormal period as a period starting point;
if the electric energy loss in a plurality of continuous periods changes in abnormal and normal wave band, the high-frequency switch direct-current power supply works normally;
if the electric energy loss in a plurality of continuous periods is abnormal and the total number of the pixel grids is linearly changed in order to reduce the trend, the high-frequency switch direct-current power supply works normally, and a high-frequency switch direct-current power supply working normal signal is obtained;
if the electric energy loss in a plurality of continuous periods is abnormal and the total number of the pixel grids is linearly changed in an increasing trend, the abnormal operation of the high-frequency switch direct-current power supply is indicated, and an abnormal operation signal of the high-frequency switch direct-current power supply is obtained.
When the intelligent early warning module obtains an abnormal working signal of the high-frequency switch direct-current power supply, the intelligent early warning module obtains the working temperature and working sound of the high-frequency switch direct-current power supply when the high-frequency switch direct-current power supply works abnormally;
marking the working temperature of the high-frequency switch direct-current power supply when the working is abnormal as Wt;
marking the working sound of the high-frequency switch direct-current power supply when the working is abnormal as Zt;
by the formulaAcquiring an early warning value Gi of the high-frequency switch direct-current power supply, wherein Nt is the working life of the high-frequency switch direct-current power supply, and Qt is the failure frequency of the high-frequency switch direct-current power supplyWherein d 1 、d 2 、d 3 And d 4 Are all preset proportional coefficients, d 1 、d 2 、d 3 And d 4 All greater than zero, & gt>As the error correction factor, a correction factor is used,is 2.2648265;
the limit value of the pre-set early warning value threshold of the high-frequency switch direct-current power supply is G1 and G2, wherein G1 is smaller than G2:
when Gi is smaller than G1, the high-frequency switch direct-current power supply generates three-level early warning signals;
when G1 is smaller than Gi and smaller than G2, the high-frequency switch direct-current power supply generates a secondary early warning signal;
when Gi > G2, the high-frequency switch direct-current power supply generates a first-stage early warning signal;
when the high-frequency switch direct-current power supply is obtained to generate three-level early warning signals, yellow early warning information is sent to the high-frequency switch direct-current power supply monitoring display terminal;
when the high-frequency switch direct-current power supply is obtained to generate a secondary early warning signal, orange early warning information is sent to the high-frequency switch direct-current power supply monitoring display terminal;
when a first-level early warning signal is generated by the high-frequency switch direct-current power supply, red early warning information is sent to a high-frequency switch direct-current power supply monitoring display terminal;
the server sends early warning information of different colors of the monitoring display terminal to a mobile phone terminal of a maintenance person, and when the maintenance person receives the red early warning information, the maintenance person needs to rush to an abnormal high-frequency switch direct-current power supply within 1-6 hours;
when the maintenance personnel receives orange early warning information, the maintenance personnel needs to reach to abnormal high-frequency switch direct-current power supply within 6-12 hours
When the maintenance personnel receives the yellow warning information, the maintenance personnel needs to reach the abnormal high-frequency switch direct-current power supply within 12-24 hours.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (7)
1. The intelligent monitoring system for the high-frequency switch direct-current power supply is characterized by comprising a data acquisition module, a data analysis module, an intelligent early warning module and a server;
the data acquisition module is used for acquiring a monitoring data stream of the high-frequency switch direct-current power supply when in operation, and the data acquisition module sends the acquired monitoring data stream to the server;
the data analysis module receives the monitoring data stream transmitted by the server, processes the electric energy value of the high-frequency switch direct-current power supply and the electric energy value of the load end corresponding to the high-frequency switch direct-current power supply, and obtains the electric energy loss value of the high-frequency switch direct-current power supply;
performing image processing on the power consumption value of the high-frequency switch direct-current power supply to obtain power consumption abnormality of the high-frequency switch direct-current power supply in a period, continuously processing the power consumption abnormality in a plurality of periods, and identifying whether the high-frequency switch direct-current power supply is occasional power consumption abnormality or has power consumption abnormality in the period to obtain a working abnormality signal of the high-frequency switch direct-current power supply;
the intelligent early warning module obtains the early warning level of the high-frequency switch direct-current power supply based on the abnormal working signal of the high-frequency switch direct-current power supply and combined with the working temperature and the working noise of the high-frequency switch direct-current power supply;
the process of the data analysis module obtaining the electric energy loss value of the high-frequency switch direct-current power supply by monitoring the data flow is as follows:
acquiring working voltage and working current of the high-frequency switch direct-current power supply, multiplying the working voltage and the working current, and integrating the working voltage and the working current with time to acquire working electric energy of each time period of the high-frequency switch direct-current power supply;
acquiring working voltage and working current of a load end, multiplying the working voltage and the working current, and integrating time to acquire working electric energy of each time period of the load end;
the working electric energy of each time period of the high-frequency switch direct-current power supply and the working electric energy of each time period of the load end are subjected to difference to obtain electric energy difference, the electric energy difference is integrated with time to obtain electric energy loss values of each time period, and the electric energy loss values of each time period are recorded as DE; wherein, the liquid crystal display device comprises a liquid crystal display device,
the image processing is performed on the power loss value of the high-frequency switch direct-current power supply to obtain the abnormal power loss of the high-frequency switch direct-current power supply in the period, and the image processing comprises the following steps:
the maximum electric energy loss value of the high-frequency switch direct-current power supply in each time period is DEmax, and the minimum electric energy loss value in each time period is DEmin;
scribing the high-frequency switch direct-current power supply with the maximum electric energy loss value DEmax in each time period and the minimum electric energy loss value DEmin in each time period in an X-Y two-dimensional coordinate system according to time sequence to form a box image of the electric energy loss limit value of the high-frequency switch direct-current power supply;
integrating the electric energy difference with time to obtain electric energy loss values DE of each time period, and connecting the electric energy loss values DE in an X-Y two-dimensional coordinate system according to time sequence to form an electric energy loss value image;
coloring the upper edge part of the box body image, which breaks through the electric energy loss limit value, of the electric energy loss value image to obtain an electric energy loss value area;
performing projection photographing on the electric energy loss value region to obtain a closed region photo, amplifying the closed region photo by a plurality of times to form a pixel table photo, and counting the number of colored pixels in the pixel table photo;
the total number of the pixel grids is obtained in each independent working period, and the total number of the pixel grids in the period is recorded as SUT;
acquiring a threshold value of the number of pixel grids in a working period by presetting a high-frequency switch direct current power supply as sut;
comparing the total number SUT of the pixel grid number in the period with a threshold SUT of the pixel grid number acquired in the period;
if the total number SUT of the pixel cells in the period is larger than the threshold SUT of the number of the pixel cells in the period, the power consumption of the high-frequency switch direct-current power supply in the current working period is abnormal;
if the total number SUT of the pixel cells in the period is less than or equal to the threshold SUT of the number of the pixel cells in the period, the power loss of the high-frequency switch direct-current power supply in the current working period is normal.
2. The intelligent monitoring system of the high-frequency switch direct-current power supply according to claim 1, wherein the monitoring data flow comprises working currents and working voltages of the high-frequency switch direct-current power supply and a load end, working temperature of the high-frequency switch direct-current power supply and working noise of the high-frequency switch direct-current power supply.
3. The intelligent monitoring system for the high-frequency switch direct-current power supply according to claim 1, wherein the abnormal power loss in the working period of the high-frequency switch direct-current power supply is recorded as a first abnormal period, and the first abnormal period is taken as a period starting point to identify the power loss in a plurality of continuous periods;
if the electric energy loss in a plurality of continuous periods changes in abnormal and normal wave band, the high-frequency switch direct-current power supply works normally;
if the electric energy loss in a plurality of continuous periods is abnormal and the total number of the pixel grids is linearly changed in order to reduce the trend, the high-frequency switch direct-current power supply works normally, and a high-frequency switch direct-current power supply working normal signal is obtained;
if the electric energy loss in a plurality of continuous periods is abnormal and the total number of the pixel grids is linearly changed in an increasing trend, the abnormal operation of the high-frequency switch direct-current power supply is indicated, and an abnormal operation signal of the high-frequency switch direct-current power supply is obtained.
4. The intelligent monitoring system of claim 1, wherein the high frequency switching dc power supply is operated for 12 hours as a complete duty cycle.
5. The intelligent monitoring system of the high-frequency switch direct-current power supply according to claim 1, wherein the early warning level of the high-frequency switch direct-current power supply comprises a primary early warning signal, a secondary early warning signal and a tertiary early warning signal;
different early warning levels correspond to early warning responses of different specifications.
6. The intelligent monitoring system of the high-frequency switch direct-current power supply according to claim 5, wherein the server further comprises a monitoring display terminal, and the monitoring display terminal is used for performing early warning display on different early warning levels.
7. The intelligent monitoring system of the high-frequency switch direct-current power supply according to claim 6, wherein red early warning information is generated when the monitoring display terminal obtains a primary early warning signal, orange early warning information is generated when the monitoring display terminal obtains a secondary early warning signal, and yellow early warning information is generated when the monitoring display terminal obtains a tertiary early warning signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310545576.5A CN116260250B (en) | 2023-05-16 | 2023-05-16 | Intelligent monitoring system for high-frequency switch direct-current power supply |
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