CN117706463A - Ammeter total inspection system and method - Google Patents
Ammeter total inspection system and method Download PDFInfo
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Abstract
The invention provides an ammeter total inspection system and method, wherein the system comprises an upper computer, an ammeter detection device and an ammeter to be detected, and the upper computer determines a detection mode according to the type of the ammeter to be detected; if the power total detection mode is adopted, a first detection instruction is sent to an ammeter detection device, and a second detection instruction is sent to an ammeter to be detected; if the pulse total detection mode is adopted, a third detection instruction is sent to the ammeter detection device; if the ammeter detection device receives the first detection instruction, executing the first detection instruction and outputting an electric signal to the ammeter to be detected; if the ammeter to be detected receives the second detection instruction, executing the second detection instruction to obtain a total detection error of the to-be-detected point; if the ammeter detection device receives the third detection instruction, executing the third detection instruction to obtain a total detection error of the to-be-detected point; and the upper computer acquires the total detection error of each detection point to be detected and determines the qualified detection result of the ammeter to be detected. The invention can realize the rapid detection of the whole ammeter and has more reliable detection result for the ammeter.
Description
Technical Field
The invention relates to the technical field of ammeter inspection, in particular to an ammeter total inspection system and method.
Background
After the electric meter is produced in batch in workshops, the electric meter needs to be inspected, and the inspection flow needs to be inspected for points of 1.0Un Imax, 1.0Un IB, 1.0Un, 5% IB, 0.5L Un Imax, 0.5L Un IB, 0.5L Un10% IB and the like.
In the prior art, a pulse total inspection method is adopted for error inspection of each point, wherein when inspection points such as 1.0Un Imax, 1.0Un IB, 0.5L Un Imax, 0.5L Un IB and the like are inspected, the error inspection time of each inspection point needs 15s.
When small signal detection points such as 1.0Un 5%IB and 0.5L Un10%IB are detected, 2 pulses are needed to be displayed by the detection device, 1.25 minutes are needed to be displayed by the detection device every 1 pulse, after the error value is displayed by the detection device, the error value obtained by the detection device is needed to be read by the total detection system, the error value obtained by the detection device is compared with a deviation range set by a scheme, finally an error detection result is obtained, and the detection process of one small signal detection point is enough to take 3 minutes.
Therefore, when the pulse total detection method is adopted to detect the small signal detection point, the consumption time is long, and in order to reduce the detection time of the ammeter, the small signal detection point is subjected to spot check and error unqualified re-correction in the prior art. However, due to the three-phase meter of the transformer power supply scheme, the transformer interferes with the sampling signal, and the consistency error of the transformer device is added, the influence of each ammeter on the error of the small signal detection point is different, the error of the small signal detection point of each ammeter needs to be debugged and checked, the total detection according to the sampling detection proportion is quite dangerous and unreasonable, and the total detection of the error of the small signal detection points of all the ammeters is quite time-consuming, so that the production efficiency is affected.
Therefore, how to improve the test efficiency of the electric meter is a problem to be solved.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect of long time for performing error total detection on the ammeter in the prior art, thereby providing an ammeter total detection system and method.
The invention provides an ammeter total inspection system, which comprises an upper computer, an ammeter detection device and an ammeter to be inspected, wherein the upper computer is respectively connected with the ammeter detection device and the ammeter to be inspected, and is used for determining an inspection mode according to the type of an inspection point to be inspected in the ammeter to be inspected; if the detection mode is a power total detection mode, a first detection instruction is sent to an ammeter detection device, and a second detection instruction is sent to an ammeter to be detected; if the detection mode is the pulse total detection mode, a third detection instruction is sent to the ammeter detection device; if the ammeter detection device receives the first detection instruction, the ammeter detection device is used for executing the first detection instruction and outputting an electric signal to the ammeter to be detected; if the electric meter to be detected receives the second detection instruction, the electric meter to be detected is used for executing the second detection instruction to obtain a total detection error of the to-be-detected point; if the ammeter detection device receives the third detection instruction, the ammeter detection device is used for executing the third detection instruction to obtain a total detection error of the to-be-detected point; the upper computer is also used for acquiring the total detection error of each to-be-detected point through the ammeter detection device and/or the ammeter to be detected, and determining the qualified detection result of the ammeter to be detected according to the total detection error of each to-be-detected point.
Optionally, in the electric meter total inspection system provided by the present invention, the first inspection instruction includes a first to-be-inspected point, and the step of outputting the electric signal to the electric meter to be inspected by the electric meter inspection device includes: determining rated parameters of a first to-be-detected point in a first detection instruction; and outputting an electric signal to the electric meter to be tested according to the rated parameters of the first class of detection points to be tested.
Optionally, in the electric meter total detection system provided by the present invention, the second detection instruction includes a first type of detection point, the first type of detection point in the first detection instruction is the same as the first type of detection point in the second detection instruction, and the step of obtaining the total detection error of the detection point by the electric meter to be detected includes: acquiring the ammeter power value of the ammeter to be tested in real time, and calculating a power average value according to the ammeter power value after refreshing each time when the ammeter power value refreshing times reach a preset value; calculating a standard power value according to the rated parameters of the first class of detection points to be detected; and calculating the total detection error of the first class of detection points according to the standard power value and the power average value.
Optionally, in the electric meter total inspection system provided by the present invention, before executing the step of acquiring the electric meter power value of the electric meter to be measured in real time, the electric meter to be measured is further configured to execute the following steps: collecting an electric signal instantaneous value of a first class of detection points; calculating an electrical signal calculated value of the first class of detection points according to the rated parameters of the first class of detection points; determining a stability detection result of the ammeter detection device according to the electric signal instantaneous value and the electric signal calculation value; and if the stability detection result of the ammeter detection device is stable, the ammeter to be detected executes the step of acquiring the ammeter power value of the ammeter to be detected in real time.
Optionally, in the electric meter total detection system provided by the present invention, the third detection instruction includes a second type of detection point to be detected, and the step of obtaining the total detection error of the detection point to be detected by the electric meter detection device includes: determining a pulse detection mode corresponding to a second class detection point in the third detection instruction; and sending a pulse signal to the ammeter to be detected according to the pulse detection mode, and obtaining an error value of the second class of detection points to be detected.
Optionally, in the total detection system of the electric meter provided by the invention, the upper computer is further used for respectively judging whether each detection point to be detected is qualified according to the total detection error of each detection point to be detected, and if the detection point to be detected is unqualified, judging that the electric meter to be detected is unqualified.
The second aspect of the invention provides an ammeter total inspection method, which is applied to an upper computer and comprises the following steps: determining a detection mode according to the type of a to-be-detected point in the to-be-detected ammeter; if the detection mode is a power total detection mode, a first detection instruction is sent to the electric meter detection device, and a second detection instruction is sent to the electric meter to be detected, so that the electric meter detection device outputs an electric signal to the electric meter to be detected, and the electric meter to be detected executes the second detection instruction to obtain a total detection error of the to-be-detected point; if the detection mode is a pulse total detection mode, a third detection instruction is sent to the ammeter detection device, so that the ammeter detection device executes the third detection instruction to obtain a total detection error of a to-be-detected point; and acquiring the total detection error of each to-be-detected point, and determining the qualified detection result of the to-be-detected ammeter according to the total detection error of each to-be-detected point.
Optionally, in the method for total detection of an electric meter provided by the present invention, the second detection instruction includes a first detection point to be detected, and the step of executing the second detection instruction by the electric meter to be detected to obtain a total detection error of the detection point to be detected includes: acquiring the ammeter power value of the ammeter to be tested in real time, and calculating a power average value according to the ammeter power value after refreshing each time when the ammeter power value refreshing times reach a preset value; calculating a standard power value according to the rated parameters of the first class of detection points to be detected; and calculating the total detection error of the first class of detection points according to the standard power value and the power average value.
A third aspect of the present invention provides a computer apparatus comprising: at least one processor; and a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor to perform the method for total checking of electricity meters as provided in the second aspect of the present invention.
A fourth aspect of the present invention provides a computer-readable storage medium storing computer instructions for causing a computer to perform the electricity meter total checking method as provided in the second aspect of the present invention.
The technical scheme of the invention has the following advantages:
according to the ammeter total detection system provided by the invention, the upper computer firstly judges the type of a to-be-detected point in the ammeter to be detected, then determines the detection mode according to the type of the to-be-detected point, detects different types of to-be-detected points by adopting different modes, and respectively sends a first detection instruction and a second detection instruction to the ammeter detection device and the ammeter to be detected when the to-be-detected point is required to be detected through the power total detection mode, so that the ammeter detection device and the ammeter to be detected execute instructions to obtain the total detection error of the to-be-detected point; when the detection point is required to be detected through the pulse total detection mode, a third detection instruction is sent to the ammeter detection device, and the ammeter detection device is controlled to send a pulse signal to the ammeter to be detected to obtain the total detection error of the detection point. According to the embodiment of the invention, different types of detection points to be detected are detected in different modes, so that the detection efficiency of the electric meter to be detected is improved, and the accuracy of a detection result is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of a specific example of an ammeter total detection system in an embodiment of the present invention;
FIG. 2 is a schematic diagram of an interaction flow of a total detection system, a meter detection device and a meter to be detected in a meter total detection system according to an embodiment of the present invention;
FIG. 3 is a flowchart showing a specific example of an ammeter total checking method according to an embodiment of the present invention;
FIG. 4 is a flowchart of another specific example of an ammeter total checking method according to an embodiment of the present invention;
fig. 5 is a schematic block diagram of a specific example of a computer device in an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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.
In the description of the present invention, it should be noted that technical features of different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The embodiment of the invention provides an ammeter total inspection system, which is shown in fig. 1 and comprises an upper computer 1, an ammeter detection device 2 and an ammeter 3 to be detected.
In an alternative embodiment, the upper computer 1 is connected with the ammeter detection device 2 through a serial port, and controls the voltage, current, phase output and error value reading of the ammeter detection device 2 through a serial port channel.
In an alternative embodiment, the upper computer is connected with the electric meter 3 to be measured through a serial port, and the electric meter 3 to be measured is controlled to enter a corresponding point of the total detection mode through a serial port channel, and the electric meter error is read.
In an alternative embodiment, before the electric meter 3 to be tested is tested, the error check point is added to the scheme, and the scheme is loaded to the upper computer 1 to realize the control of the electric meter testing device 2 and the electric meter 3 to be tested, so that the pulse total test and the power total test are realized.
In an alternative embodiment, when the electric meter 3 to be tested is tested, the code scanning gun is used for scanning the bar code of the meter number of the electric meter 3 to be tested, and the meter number is recorded into the upper computer 1.
In the electric meter total inspection system provided by the embodiment of the invention, as shown in fig. 2 and 3, the upper computer 1, the electric meter detection device 2 and the electric meter 3 to be tested respectively execute the following steps:
the host computer 1 executes step S11: determining a detection mode according to the type of a to-be-detected point in the to-be-detected ammeter 3; if the detection mode is a power total detection mode, a first detection instruction is sent to the ammeter detection device 2, and a second detection instruction is sent to the ammeter 3 to be detected; if the detection mode is the pulse total detection mode, a third detection instruction is sent to the ammeter detection device 2.
In an alternative embodiment, the detection mode corresponding to 1.0un 5% ib or 0.5l un10% ib is illustratively the power total detection mode, and the detection mode corresponding to 0.8cun 10% ib is illustratively the power total detection mode for meters with reactive power metering.
In an alternative embodiment, the detection modes corresponding to 1.0Un IB, 1.0Un Imax, 0.5L Un IB, and 0.5L Un Imax are pulse total detection modes, and the detection modes corresponding to 0.8C Un IB and 0.8C Un Imax are pulse total detection modes for a meter with reactive metering, for example.
If in step S11, the host computer 1 determines that the detection mode is the power total detection mode, and then sends a first detection instruction to the electric meter detection device 2 and a second detection instruction to the electric meter 3 to be measured, as shown in fig. 2, the electric meter detection device 2, the electric meter 3 to be measured, and the host computer 1 execute steps S12, S13, and S14, respectively:
the ammeter detection device 2 performs step S12: and receiving the first detection instruction, executing the first detection instruction, and outputting an electric signal to the ammeter 3 to be tested.
In an alternative embodiment, for different electric meters 3 to be tested, the rated parameters corresponding to the electric meters are different, and the electric meter detection device 2 outputs an electric signal to the electric meters 3 to be tested according to the rated parameters of the electric meters 3 to be tested, so that the electric meters 3 to be tested can work in a reasonable environment, and the detection result is not affected by the environment. For example, the nominal parameter may be (230 v 5 (60) a).
The electricity meter 3 to be measured performs step S13: the ammeter 3 to be detected receives the second detection instruction, executes the second detection instruction and obtains the total detection error of the to-be-detected point.
In an alternative embodiment, the electric meter 3 to be measured has an LCD liquid crystal screen, and the LCD liquid crystal screen blinks to display "START" after the electric meter 3 to be measured receives the second detection command.
The host computer 1 executes step S14: and acquiring the total detection error of the to-be-detected point through the to-be-detected ammeter 3.
If the host computer 1 determines in step S11 that the detection mode is the pulse total detection mode, the third detection command is transmitted to the ammeter detection device 2, and then, as shown in fig. 3, the ammeter detection device 2 and the host computer 1 execute step S15 and step S16, respectively.
The ammeter detection device 2 performs step S15: and receiving a third detection instruction, and executing the third detection instruction to obtain the total detection error of the to-be-detected point. In this embodiment, if the pulse total detection mode is adopted to detect the to-be-detected point, the upper computer 1 only needs to control the electric meter detection device 2 to send a pulse signal to the to-be-detected electric meter 3, and the total detection error of the to-be-detected electric meter 3 can be obtained through the electric meter detection device 2.
The host computer 1 executes step S16: the total detection error of the to-be-detected point is obtained by the ammeter detection device 2.
Whether the error to be detected is detected by the power total detection mode or the error to be detected is detected by the pulse total detection mode, the upper computer 1 further executes step S17: and determining a qualified detection result of the ammeter 3 to be detected according to the total detection error of each detection point to be detected.
In an alternative embodiment, after receiving the total detection error provided by the to-be-detected ammeter 3 or the ammeter detection device 2, the upper computer 1 compares the total detection error with a preset error range, determines that the qualified detection result of the to-be-detected point is qualified if the total detection error is within the preset error range, and determines that the qualified detection result of the to-be-detected point is unqualified if the total detection error is outside the preset error range.
In an alternative embodiment, if the detected point is judged to be qualified, a green check is displayed on the screen of the upper computer 1 and the total detection error is displayed, and if the detected point is judged to be unqualified, a red check is displayed on the screen and the total detection error is displayed.
In the ammeter total inspection system provided by the embodiment of the invention, if in step S11, the upper computer 1 determines that the inspection mode is the power total inspection mode, each component in the ammeter total inspection system executes step S12, step S13 and step S14, the ammeter 3 to be inspected receives a second inspection instruction, and a total inspection error is obtained by executing the second inspection instruction; if the host computer 1 determines in step S11 that the detection mode is the pulse total detection mode, each component in the ammeter total detection system executes step S15 and step S16, and after receiving the third detection command, the ammeter detection device 2 executes the third detection command to obtain a total detection error.
It can be seen that, for different detection points to be detected, different modes are adopted to obtain the total detection error, and under different modes, the components for obtaining the total detection error are different. Whether the electric meter 3 to be tested acquires the total detection error or the electric meter detection device 2 acquires the total detection error, the total detection error is finally required to be sent to the upper computer 1, and the upper computer 1 executes step S17 to determine the qualified detection result of the electric meter 3 to be tested.
Because the electric meter 3 to be tested includes a plurality of to-be-tested points, it may be necessary to acquire total test errors of the to-be-tested points by adopting different modes, at this time, the electric meter 3 to be tested needs to execute a second test instruction to acquire total test errors of a part of to-be-tested points, and the electric meter test device 2 needs to execute a third instruction to acquire total test errors of another part of to-be-tested points, and finally, the upper computer 1 can acquire qualified test results of the electric meter 3 to be tested according to the total test errors of all to-be-tested points.
According to the ammeter total detection system provided by the embodiment of the invention, the upper computer 1 firstly judges the type of a to-be-detected point in an ammeter to be detected, then determines a detection mode according to the type of the to-be-detected point, detects different types of to-be-detected points by adopting different modes, and respectively sends a first detection instruction and a second detection instruction to the ammeter detection device 2 and the ammeter 3 to be detected when the to-be-detected point is required to be detected through the power total detection mode, so that the ammeter detection device 2 and the ammeter 3 to be detected execute instructions to obtain the total detection error of the to-be-detected point; when the detection point is required to be detected through the pulse total detection mode, a third detection instruction is sent to the ammeter detection device 2, and the ammeter detection device 2 is controlled to send a pulse signal to the ammeter to be detected to obtain the total detection error of the detection point. According to the embodiment of the invention, different types of detection points to be detected are detected in different modes, so that the detection efficiency of the electric meter 3 to be detected is improved, and the accuracy of a detection result is ensured.
In an alternative embodiment, if the current detected result of the qualification detection of the to-be-detected point is failed, the upper computer 1 determines that the to-be-detected ammeter 3 is failed.
In an alternative embodiment, if the current detected qualified detection result of the to-be-detected point is qualified, the upper computer 1 controls the electric meter detection device 2 and the to-be-detected electric meter 3 to execute a detection flow of the next point.
That is, in the embodiment of the present invention, when the detection result of one of the points is failed, it is determined that the electricity meter is failed, and no detection is required for the other points. For the electric meters with unqualified total inspection, the system can trace the current completed flow, and provide basis for repairing and finding out the cause of the problem.
In an alternative embodiment, in the embodiment of the present invention, if all the qualified detection results of the to-be-detected points in the to-be-detected ammeter 3 are qualified, the upper computer 1 determines that the to-be-detected ammeter 3 is qualified.
In an alternative embodiment, the system prompts "qualified total" to prohibit the operation of total again when the table of qualified total is again total; the original data must be deleted by using super rights before the re-entry system is allowed to detect, so that the overlapping and modification of the data is prevented.
In an alternative embodiment, the system automatically archives the total inspection data after the total inspection is completed and imports the total inspection data into the server.
In an alternative embodiment, the first detection command includes a first type of detection point, and the step of outputting, by the meter detection device 2, an electrical signal to the meter 3 to be detected includes:
first, a rated parameter of a first class detection point in a first detection instruction is determined.
And then, outputting an electric signal to the electric meter 3 to be tested according to the rated parameters of the first type of detection points to be tested.
In an alternative embodiment, the second detection instruction includes a first type of detection point, the first type of detection point in the first detection instruction is the same as the first type of detection point in the second detection instruction, and in step S13, the step of executing the second detection instruction by the electric meter 3 to be tested to obtain the total detection error of the to-be-detected point includes:
and a1, acquiring the power value of the electric meter 3 to be tested in real time, and calculating a power average value according to the power value of the electric meter after refreshing each time when the refreshing times of the power value of the electric meter 3 to be tested reach a preset value.
In an alternative embodiment, the power value of the electric meter is kept in the memory for 2-bit decimal every time the electric meter power value is refreshed, and the power average value is calculated after the number of times of refreshing reaches a preset value. For example, the preset value may take 10, i.e., when the number of refreshes reaches 10, the power average value is calculated from 10 ammeter power values.
And a step a2, calculating a standard power value according to the rated parameters of the first class of detection points.
And a step a3, calculating the total detection error of the first class of detection points according to the standard power value and the power average value.
In an alternative embodiment, the total error= (power average-standard power value)/standard value x 100.
In an alternative embodiment, after the ammeter 3 to be tested calculates the total detection error, the total detection error is displayed in a flicker on the LCD liquid crystal screen.
In an alternative embodiment, the ammeter 3 to be tested uploads the total detection error to the host computer 1 through the serial port.
According to the ammeter total detection system provided by the embodiment of the invention, when the first type of detection points are detected, the average power value of the ammeter 3 to be detected is calculated, and the total detection error is calculated according to the average power value and the standard power value, so that the qualified detection result of the first type of detection points is judged and obtained.
In an alternative embodiment, when the electric meter 3 to be measured executes the second detection instruction, before executing the step a1, the electric meter 3 to be measured is further configured to execute the following steps:
firstly, collecting the electric signal instantaneous value of a first class of detection point.
In an alternative embodiment, the electrical signal instantaneous values include, but are not limited to, at least one of voltage instantaneous values, current instantaneous values, power instantaneous values.
And then, calculating an electric signal calculation value of the first class of detection points according to the rated parameters of the first class of detection points.
In an alternative embodiment, the electrical signal instantaneous values include, but are not limited to, at least one of a voltage calculation, a current calculation, a power calculation.
Finally, the stability detection result of the ammeter detection device 2 is determined from the electric signal instantaneous value and the electric signal calculation value. If the stability detection result of the ammeter detection device 2 is determined to be stable, the ammeter 3 to be tested executes step a2.
In an alternative embodiment, the electric signal instantaneous value is correspondingly compared with the electric signal calculated value, and if the error of the electric signal instantaneous value and the electric signal calculated value is within a preset error range, the stability detection result of the ammeter detection device 2 is judged to be stable. The preset error range may be set to 0.01% by way of example.
In the embodiment of the invention, after receiving the first detection instruction sent by the upper computer 1, the ammeter detection device 2 outputs an electric signal to the ammeter 3 to be detected according to the rated parameter of the first type detection point, so as to provide a working environment for the ammeter 3 to be detected, if the ammeter detection device 2 is unstable, a stable working environment cannot be provided for the ammeter 3 to be detected, at the moment, the power of the ammeter 3 to be detected is also unstable naturally, at the moment, the total detection error calculated to obtain the first type detection point is greatly influenced by the ammeter detection device 2, is different from the actual condition of the first type detection point, and is easy to produce misjudgment on the qualified detection result of the first type detection point. Therefore, before calculating the total detection error of the first type of detection point, the to-be-detected ammeter 3 firstly judges the stability of the ammeter detection device 2, and when the ammeter detection device 2 is stable, the total detection error of the first type of detection point is calculated, and the calculated total detection error can reflect the true error of the to-be-detected ammeter 3, so that the obtained qualified detection result is more reliable.
In an alternative embodiment, the third detection command includes a second type of detection point, and in step S15, the step of the ammeter detection device 2 executing the third detection command to obtain the total detection error of the detection point includes:
firstly, determining a pulse detection mode corresponding to a second class detection point in a third detection instruction.
And then, sending a pulse signal to the ammeter 3 to be detected according to the detection of the pulse, and acquiring an error value of a second class of detection point to be detected.
After the ammeter detection device 2 acquires the error value of the second class detection point, the error value of the second class detection point is sent to the upper computer 1, and the upper computer 1 determines a qualified detection result of the second class detection point according to the error value of the second class detection point.
For example, if the second type of detection point is 1.0Un IB in the third detection instruction sent by the upper computer 11, at this time, the electric meter detection device 2 switches the working mode to 1.0Un IB, the number of turns is 2, and after the electric meter detection device 2 displays the error value, the upper computer 1 successfully reads the error value and compares the error value with the preset error range to determine whether the error of the electric meter at the point is qualified, the qualified display green "/" and display the error value, and the unqualified display red "×" and display the error value;
if the detected point is 1.0Un Imax in the third detection instruction sent by the upper computer 1, the electric meter detection device 2 switches the working mode to 1.0Un Imax, turns 8, and after the electric meter detection device 2 displays errors, the upper computer 1 successfully reads the error value and compares the error value with a preset error range to determine whether the error of the electric meter at the point is qualified, green check is displayed and the error value is displayed, red check is displayed and the error value is displayed.
In the embodiment of the invention, when 1.0Un IB, 1.0Un Imax, 0.5L Un IB, 0.5L Un Imax, 0.8C Un IB and 0.8C Un Imax points are detected, a pulse total detection method is used, because the error fluctuation of the Imax points is large, the number of turns of the ammeter detection device 2 is controlled by the upper computer 1, so that the error fluctuation is reduced, the pulse total detection accuracy is higher, and the time is faster.
The embodiment of the invention provides an ammeter total detection method which is applied to an upper computer 1, as shown in fig. 4, and comprises the following steps:
step S21: and determining a detection mode according to the type of the to-be-detected point in the to-be-detected ammeter 3. The details are described in the above embodiments, and are not repeated here.
If the detection mode is the power total detection mode, step S22 is executed: the first detection instruction is sent to the electric meter detection device 2, and the second detection instruction is sent to the electric meter to be detected 3, so that the electric meter detection device 2 outputs an electric signal to the electric meter to be detected 3, and the electric meter to be detected 3 executes the second detection instruction to obtain the total detection error of the detection point to be detected. The details are described in the above embodiments, and are not repeated here.
If the detection mode is the pulse total detection mode, step S23 is executed: and sending a third detection instruction to the ammeter detection device 2 so that the ammeter detection device 2 executes the third detection instruction to obtain the total detection error of the to-be-detected point. The details are described in the above embodiments, and are not repeated here.
After step S22 or step S23 is performed, step S24 is also performed: and acquiring the total detection error of each to-be-detected point, and determining the qualified detection result of the to-be-detected ammeter 3 according to the total detection error of each to-be-detected point. The details are described in the above embodiments, and are not repeated here.
In an alternative embodiment, the second detection instruction includes a first type of detection point, and the step of executing the second detection instruction by the to-be-detected ammeter 3 to obtain the total detection error of the to-be-detected point includes:
firstly, acquiring the power value of the electric meter 3 to be tested in real time, and calculating a power average value according to the power value of the electric meter after refreshing each time when the refreshing times of the power value of the electric meter 3 to be tested reach a preset value. The details are described in the above embodiments, and are not repeated here.
And then, calculating a standard power value according to the rated parameters of the first class of detection points. The details are described in the above embodiments, and are not repeated here.
And finally, calculating the total detection error of the first class of detection points according to the standard power value and the power average value. The details are described in the above embodiments, and are not repeated here.
An embodiment of the present invention provides a computer device, as shown in fig. 5, which mainly includes one or more processors 31 and a memory 32, and in fig. 5, one processor 31 is taken as an example.
The computer device may further include: an input device 33 and an output device 34.
The processor 31, the memory 32, the input device 33 and the output device 34 may be connected by a bus or otherwise, for example in fig. 5.
The processor 31 may be a central processing unit (Central Processing Unit, CPU). The processor 31 may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or a combination thereof. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The memory 32 may include a storage program area that may store an operating system, at least one application program required for functions, and a storage data area; the storage data area may store data created according to the use of the electricity meter total checking device, etc. In addition, the memory 32 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 32 may optionally include memory located remotely from processor 31, which may be connected to the meter total via a network. The input device 33 may receive a calculation request (or other numeric or character information) entered by a user and generate a key signal input associated with the meter total. The output device 34 may include a display device such as a display screen for outputting the calculation result.
The embodiment of the invention provides a computer readable storage medium, which stores computer instructions, and the computer storage medium stores computer executable instructions, and the computer executable instructions can execute the ammeter total checking method in any method embodiment. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a Flash Memory (Flash Memory), a Hard Disk (HDD), or a Solid State Drive (SSD); the storage medium may also comprise a combination of memories of the kind described above.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. The utility model relates to an ammeter total inspection system, which is characterized by comprising an upper computer, an ammeter detection device and an ammeter to be inspected, wherein the upper computer is respectively connected with the ammeter detection device and the ammeter to be inspected,
the upper computer is used for determining a detection mode according to the type of a to-be-detected point in the to-be-detected ammeter; if the detection mode is a power total detection mode, a first detection instruction is sent to the ammeter detection device, and a second detection instruction is sent to the ammeter to be detected; if the detection mode is a pulse total detection mode, a third detection instruction is sent to the ammeter detection device;
if the ammeter detection device receives a first detection instruction, the ammeter detection device is used for executing the first detection instruction and outputting an electric signal to the ammeter to be detected;
if the electric meter to be detected receives the second detection instruction, the electric meter to be detected is used for executing the second detection instruction to obtain a total detection error of the detection point to be detected;
if the ammeter detection device receives a third detection instruction, the ammeter detection device is used for executing the third detection instruction to obtain a total detection error of the to-be-detected point;
the upper computer is also used for acquiring the total detection error of each to-be-detected point through the electric meter detection device and/or the to-be-detected electric meter, and determining the qualified detection result of the to-be-detected electric meter according to the total detection error of each to-be-detected point.
2. The utility meter total inspection system of claim 1, wherein the first inspection command includes a first type of inspection point, and the step of outputting an electrical signal to the utility meter by the utility meter inspection device includes:
determining rated parameters of a first to-be-detected point in the first detection instruction;
and outputting an electric signal to the electric meter to be tested according to the rated parameters of the first class of detection points.
3. The electric meter total inspection system according to claim 2, wherein the second inspection instruction includes a first type of inspection point, the first type of inspection point in the first inspection instruction is the same as the first type of inspection point in the second inspection instruction, and the step of obtaining the total inspection error of the inspection point by the electric meter to be inspected includes:
acquiring the ammeter power value of the ammeter to be tested in real time, and calculating a power average value according to the ammeter power value after refreshing each time when the ammeter power value refreshing times reach a preset value;
calculating a standard power value according to the rated parameters of the first class of detection points;
and calculating the total detection error of the first class detection point according to the standard power value and the power average value.
4. A meter total as defined in claim 3, wherein prior to performing the step of obtaining the meter power value of the meter under test in real time, the meter under test is further configured to perform the steps of:
collecting the electric signal instantaneous value of the first class detection point;
calculating an electrical signal calculation value of the first class of detection points according to the rated parameters of the first class of detection points;
determining a stability detection result of the ammeter detection device according to the electric signal instantaneous value and the electric signal calculated value;
and if the stability detection result of the ammeter detection device is stable, the ammeter to be detected executes the step of acquiring the ammeter power value of the ammeter to be detected in real time.
5. The electric meter total inspection system according to claim 1, wherein the third inspection instruction includes a second type of inspection point to be inspected, and the step of obtaining the total inspection error of the inspection point by the electric meter inspection device includes:
determining a pulse detection mode corresponding to a second class detection point in the third detection instruction;
and sending a pulse signal to the ammeter to be detected according to the pulse detection mode, and obtaining the error value of the second class of detection points to be detected.
6. An electricity meter total as claimed in claim 1 or claim 3, wherein,
the upper computer is also used for respectively judging whether each detection point to be detected is qualified according to the total detection error of each detection point to be detected, and judging that the electric meter to be detected is unqualified if the detection point to be detected is unqualified.
7. The utility model provides an ammeter total inspection method which is characterized in that the method is applied to an upper computer, and the method comprises the following steps:
determining a detection mode according to the type of a to-be-detected point in the to-be-detected ammeter;
if the detection mode is a power total detection mode, a first detection instruction is sent to an ammeter detection device, and a second detection instruction is sent to an ammeter to be detected, so that the ammeter detection device outputs an electric signal to the ammeter to be detected, and the ammeter to be detected executes the second detection instruction to obtain a total detection error of the point to be detected;
if the detection mode is a pulse total detection mode, a third detection instruction is sent to the ammeter detection device, so that the ammeter detection device executes the third detection instruction to obtain a total detection error of the to-be-detected point;
and acquiring the total detection error of each to-be-detected point, and determining the qualified detection result of the to-be-detected ammeter according to the total detection error of each to-be-detected point.
8. The method of claim 7, wherein the second detection command includes a first type of detection point, and the step of the electric meter to be detected executing the second detection command to obtain a total detection error of the detection point includes:
acquiring the ammeter power value of the ammeter to be tested in real time, and calculating a power average value according to the ammeter power value after refreshing each time when the ammeter power value refreshing times reach a preset value;
calculating a standard power value according to the rated parameters of the first class of detection points;
and calculating the total detection error of the first class detection point according to the standard power value and the power average value.
9. A computer device, comprising:
at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to perform the electricity meter total checking method of claim 7 or 8.
10. A computer-readable storage medium storing computer instructions for causing the computer to perform the electricity meter total inspection method according to claim 7 or 8.
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| CN202311726464.6A CN117706463A (en) | 2023-12-14 | 2023-12-14 | Ammeter total inspection system and method |
| CN202410727698.0A CN118294874B (en) | 2023-12-14 | 2024-06-06 | Ammeter total inspection system and method |
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Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6111680A (en) * | 1984-06-28 | 1986-01-20 | Keihin Densokuki Kk | Testing device for normal watt-hour meter instrument error |
| EP0569740B1 (en) * | 1992-05-12 | 1997-10-01 | Landis & Gyr Technology Innovation AG | Method for automatic calibration of electricity meters and apparatus therefor |
| KR100259187B1 (en) * | 1998-03-06 | 2000-06-15 | 이종수 | Error compensation apparatus of electronic watt-hour meter |
| CN103760514B (en) * | 2014-01-23 | 2016-10-26 | 南京天溯自动化控制系统有限公司 | The method and device that a kind of electric energy meter quickly detects |
| JP6013385B2 (en) * | 2014-03-07 | 2016-10-25 | 中国電力株式会社 | Electricity meter and watt-hour meter verification system |
| CN105510864B (en) * | 2015-11-27 | 2018-04-17 | 宁波三星医疗电气股份有限公司 | A kind of detection method of electric energy meter error metering |
| CN207037064U (en) * | 2017-08-28 | 2018-02-23 | 华立科技股份有限公司 | Ammeter falls zero line error calibration and detecting system |
| CN107329107B (en) * | 2017-08-28 | 2023-11-10 | 华立科技股份有限公司 | Method and system for correcting and detecting zero line error of ammeter |
| CN111474512B (en) * | 2020-04-24 | 2021-09-24 | 郑州万特电气股份有限公司 | Acceptance detection method and device for newly-installed metering equipment and readable storage medium |
| CN113315774A (en) * | 2021-05-31 | 2021-08-27 | 浙江正泰仪器仪表有限责任公司 | Instrument testing method and instrument testing device |
| CN113791373A (en) * | 2021-08-06 | 2021-12-14 | 深圳市科陆电子科技股份有限公司 | Test method, system, electronic device and storage medium for electric meter |
| CN115047396A (en) * | 2022-05-24 | 2022-09-13 | 深圳市科陆电子科技股份有限公司 | Error detection method and device based on ammeter, equipment and storage medium |
| CN115291158A (en) * | 2022-08-05 | 2022-11-04 | 国网信息通信产业集团有限公司 | A method and device for automatic calibration of electrical quantity of a settlement and measurement device |
| CN115150875B (en) * | 2022-09-01 | 2022-11-08 | 安徽南瑞中天电力电子有限公司 | Test method and test system for Bluetooth function of intelligent electric energy meter |
| CN116774131A (en) * | 2023-04-28 | 2023-09-19 | 杭州电子科技大学 | A high degree of freedom electric energy meter testing system |
| CN117192468A (en) * | 2023-08-10 | 2023-12-08 | 深圳市科陆电子科技股份有限公司 | Ammeter detection method, device, equipment and storage medium |
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Application publication date: 20240315 |