Measurement and control device capable of displaying error

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By designing calibration calibration, error measurement and control, alarm and display modules in the measurement and control device, the problem of undisassembled calibration errors in the prior art is solved, real-time monitoring and display measurement and control errors are realized, and the calibration procedures are met.

CN119310892APending Publication Date: 2025-01-14HUANENG HEGANG POWER CO LTD

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202411203150.2
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2024-08-29
Publication Date: 2025-01-14

AI Technical Summary

Technical Problem

The existing measurement and control devices cannot disassemble the calibration error during work, resulting in the inability to detect and verify in time during periods and cannot meet the requirements of the calibration procedures.

Method used

A measurement and control device that can display errors is designed, including calibration calibration module, error measurement and control module, error alarm module and error display module. By calibrating the sensor, the measurement and control targets are monitored in real time, the measurement and control errors are automatically calculated, and the error alarm signal is generated. and the over-difference signal, displaying error data in real time.

Benefits of technology

It realizes that without disassembling the measurement and control device, automatically detect and verify the measurement and control errors, generate alarm signals and excessive error signals, and intuitively monitor error data to ensure timely inspection and processing of error data.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN119310892A_ABST

Patent Text Reader

Abstract

The invention provides a measurement and control device capable of displaying errors, and relates to the technical field of electrical measurement, and the device comprises the steps: calibrating a measurement and control value according to a measurement and control target of the measurement and control device, and carrying out the calibration processing of a corresponding sensor; monitoring the measurement and control target in real time according to the sensor qualified in calibration processing, obtaining the actual value of the measurement and control target, automatically calculating the measurement and control error of the measurement and control target, and carrying out measurement and control error precision verification and measurement and control error efficiency verification on the measurement and control error; obtaining the measurement and control error passing the measurement and control error verification, and generating an error alarm signal and an error out-of-tolerance signal according to the measurement and control error range; measurement and control errors, error alarm signals and error out-of-tolerance signals which pass measurement and control error verification are displayed in real time, so that visual monitoring of error data is facilitated, and checking of the error data is facilitated.

Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of electrical measurement, and in particular to a measurement and control device capable of displaying errors. Background Art

[0002] The measurement and control device is a device that collects electrical data and converts it into digital signals to realize data collection and transmission. It can remotely generate remote control signals to control the controlled object. The existing measurement and control device has a simple structure and function. When checking errors, it needs to be powered off and disassembled for calibration. However, in actual working processes, the measurement and control device cannot be disassembled or is inconvenient to disassemble, and its error cannot be checked in time during the over-cycle, which does not meet the requirements of the calibration procedures.

[0003] Therefore, the present invention provides a measurement and control device capable of displaying errors. Summary of the invention

[0004] The present invention provides a measurement and control device capable of displaying errors, which calibrates measurement and control values according to measurement and control targets of the measurement and control device and performs calibration processing on corresponding sensors; monitors the measurement and control targets in real time according to sensors that have passed the calibration processing, obtains actual values of the measurement and control targets, automatically calculates the measurement and control errors of the measurement and control targets, and performs measurement and control error accuracy verification and measurement and control error efficiency verification on the measurement and control errors; obtains measurement and control errors that have passed the measurement and control error verification and generates error alarm signals and error excess signals according to the measurement and control error range; and displays measurement and control errors that have passed the measurement and control error verification, error alarm signals and error excess signals in real time, which is conducive to intuitively monitoring error data and facilitating the inspection of error data.

[0005] The present invention provides a measurement and control device capable of displaying errors, comprising:

[0006] The calibration module is used to calibrate the measurement and control value according to the measurement and control target of the measurement and control device and calibrate the corresponding sensor;

[0007] The error measurement and control module is used to monitor the measurement and control target in real time based on the qualified calibration sensor, obtain the actual value of the measurement and control target, automatically calculate the measurement and control error of the measurement and control target, and perform measurement and control error accuracy verification and measurement and control error efficiency verification on the measurement and control error;

[0008] An error alarm module is used to obtain the measurement and control error that has passed the measurement and control error check and generate an error alarm signal and an error out-of-tolerance signal according to the measurement and control error range;

[0009] The error display module is used to display the measurement and control errors that have passed the measurement and control error calibration, error alarm signals and error excess signals in real time.

[0010] According to the present invention, a measurement and control device capable of displaying errors, a calibration module, comprises:

[0011] A measurement and control calibration unit is used to determine the measurement and control target of the measurement and control device, and calibrate the measurement and control value according to the application scenario of the measurement and control device and the historical measurement and control data, wherein the measurement and control targets of the measurement and control device include: temperature measurement and control target, voltage measurement and control target, current measurement and control target and power measurement and control target;

[0012] A sensor calibration unit, used to determine a preset measurement and control type and a preset measurement and control accuracy of the sensor according to a measurement and control target of the measurement and control device;

[0013] The standard values are input to the sensors respectively, and the output values of the sensors are obtained to calibrate the sensors. After the sensors are calibrated and qualified, they are applied to the measurement and control device.

[0014] According to the present invention, a measurement and control device capable of displaying errors, an error measurement and control module, comprises:

[0015] The measurement and control monitoring value unit is used to monitor the measurement and control target of the measurement and control device in real time according to the sensor that has passed the calibration process, and obtain the sensor monitoring value;

[0016] A numerical processing unit is used to classify and process the sensor monitoring values according to the measurement and control targets;

[0017] Performing secondary classification processing on the result of the primary classification processing according to the signal type, wherein the signal type includes: analog signal type and digital signal type;

[0018] The sensor monitoring value corresponding to the digital signal type in the secondary classification processing result is stored in the data, and the digital signal is recorded as the actual value of the corresponding measurement and control target;

[0019] The sensor monitoring values corresponding to the analog signal types in the secondary classification processing results are respectively extracted according to the primary classification processing results to obtain analog signals;

[0020] Obtaining the fluctuation period of the analog signal, determining the discrete sampling frequency within one fluctuation period of the analog signal according to the preset measurement and control accuracy of the measurement and control device, performing discrete processing on the analog signal, and determining a discrete analog signal;

[0021] Perform linear quantization and encoding processing on discrete analog signals, convert the analog signals into digital signals and store the data, and record the digital signals as the actual values of the corresponding measurement and control targets;

[0022] The value retransmission unit is used to verify the actual value of the measurement and control target. When the actual value of the measurement and control target is detected to be discontinuous or has a numerical error, the sensor monitoring value within the corresponding monitoring period is re-processed and the original actual value is replaced;

[0023] A numerical optimization unit is used to obtain a quantified value of the fluctuation amplitude of the actual value. When it is monitored that the ratio of the quantified value of the fluctuation amplitude of the actual value of the measurement and control target to the actual value of the measurement and control target is not higher than a preset measurement and control accuracy, the corresponding actual value is determined to be a weak-fluctuation actual value, and a differential amplification optimization process is performed on the weak-fluctuation actual value, and the differential amplification optimization process result replaces the original actual value;

[0024] The error measurement and control unit is used to automatically calculate the measurement and control error of the measurement and control target based on the measurement and control value of the measurement and control target and the actual value of the measurement and control target, and to perform measurement and control error accuracy verification and measurement and control error efficiency verification on the measurement and control error.

[0025] According to the present invention, a measurement and control device capable of displaying errors, an error measurement and control unit, comprises:

[0026] The automatic calculation block of the measurement and control error is used to automatically calculate the measurement and control error of the measurement and control target according to the measurement and control value of the measurement and control target and the actual value of the measurement and control target;

[0027] The measurement and control error accuracy block is used to establish a measurement and control accuracy-measurement and control error accuracy mapping table based on the historical measurement and control data of the measurement and control device, and determine the preset measurement and control error accuracy of the measurement and control target based on the preset measurement and control accuracy;

[0028] Acquire an actual value of the measurement and control target for a second time, record it as a second actual value, and determine an actual measurement and control error accuracy of the measurement and control target by combining the actual value of the measurement and control target and the measurement and control value of the measurement and control target;

[0029] A measurement and control error efficiency block, used to determine the measurement and control error efficiency of the measurement and control target according to the measurement and control moment of obtaining the actual value of the measurement and control target to the measurement and control error moment of automatically calculating the measurement and control error of the measurement and control target;

[0030] The measurement and control error comprehensive verification block is used to set the measurement and control error accuracy verification weight and the measurement and control error efficiency verification weight, and calculate the comprehensive verification value of the measurement and control error;

[0031] Wherein, F represents the comprehensive verification value of the measurement and control error; A1 represents the signal amplitude when obtaining the i1th actual value of the measurement and control target; w represents the signal sampling frequency of the measurement and control device; t represents the signal sampling time of the measurement and control device; A represents the initial phase of obtaining the i1th actual value of the measurement and control target; A2 represents the signal amplitude when obtaining the i1th second actual value of the measurement and control target; Indicates the initial phase for obtaining the i1th second actual value of the measurement and control target; Indicates the actual value of the measurement and control target; represents the second actual value of the measurement and control target; y1 represents the measurement and control value of the measurement and control target; Indicates when No less than When Otherwise, output p1 represents the preset measurement and control error accuracy of the measurement and control target; t1i1 represents the measurement and control time of obtaining the i1th actual value of the measurement and control target; t2i1 represents the measurement and control error time of automatically calculating the i1th measurement and control error of the measurement and control target; T1 represents the preset automatic calculation time of the measurement and control error of the measurement and control device; n1 represents the number of actual values of the measurement and control target obtained by the measurement and control device;

[0032] When the comprehensive verification value of the measurement and control error is not higher than the preset verification value, it is determined that the measurement and control error verification has passed.

[0033] According to the present invention, a measurement and control device capable of displaying errors, a parameter setting block, comprises:

[0034] The parameter setting block is used to set the parameter setting buttons to set the parameters of the measurement and control device, wherein the parameter setting buttons include: an OK button, a cancel button, up, down, left, and right buttons, and a reset button.

[0035] According to the present invention, a measurement and control device capable of displaying errors, an error alarm module, comprises:

[0036] An error alarm unit is used to obtain a measurement and control error that has passed the measurement and control error check, and when there is no measurement and control error that has passed the measurement and control error check, it is determined that the measurement and control device is operating normally;

[0037] When there is a measurement and control error that has passed the measurement and control error check and is within the measurement and control error range, it is determined that the corresponding measurement and control device has a fault and an error alarm signal is generated;

[0038] The error exceeding tolerance unit is used to determine that the error exceeding tolerance occurs in the corresponding measurement and control device when there is a measurement and control error that passes the measurement and control error check and exceeds the measurement and control error range, and generate an error exceeding tolerance signal.

[0039] According to the present invention, a measurement and control device capable of displaying errors, an error display module, comprises:

[0040] The measurement and control error display unit is provided with a liquid crystal display screen in the measurement and control device to display the measurement and control error that has passed the measurement and control error check and the working status of the measurement and control device in real time;

[0041] Error alarm display unit, used to set the operation indicator light and the alarm indicator light, receive the error alarm signal and display it in real time;

[0042] The error out-of-tolerance display unit is used to set the out-of-tolerance indicator light, receive the error out-of-tolerance signal and display it in real time.

[0043] According to the present invention, a measurement and control device capable of displaying errors, a shutdown maintenance module, comprises:

[0044] The deactivation and maintenance unit is used to deactivate the measurement and control device and notify maintenance personnel to perform maintenance operations when it is monitored that the measurement and control device displays an error that exceeds the tolerance.

[0045] Compared with the prior art, the present invention has the following beneficial effects:

[0046] The measurement and control value is calibrated according to the measurement and control target of the measurement and control device and the corresponding sensor is calibrated; the measurement and control target is monitored in real time according to the sensor that has passed the calibration process, the actual value of the measurement and control target is obtained, the measurement and control error of the measurement and control target is automatically calculated, and the measurement and control error accuracy and measurement and control error efficiency are checked for the measurement and control error; the measurement and control error that has passed the measurement and control error check is obtained, and an error alarm signal and an error out-of-tolerance signal are generated according to the measurement and control error range; the measurement and control error that has passed the measurement and control error check, the error alarm signal and the error out-of-tolerance signal are displayed in real time, which is conducive to intuitive monitoring of error data and facilitating the inspection of error data.

[0047] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0048] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0050] Figure 1 It is a structural schematic diagram of a measurement and control device capable of displaying errors provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0051] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0052] Embodiment 1:

[0053] The embodiment of the present invention provides a measurement and control device capable of displaying errors, such as Figure 1 As shown, including:

[0054] The calibration module is used to calibrate the measurement and control value according to the measurement and control target of the measurement and control device and calibrate the corresponding sensor;

[0055] The error measurement and control module is used to monitor the measurement and control target in real time based on the qualified calibration sensor, obtain the actual value of the measurement and control target, automatically calculate the measurement and control error of the measurement and control target, and perform measurement and control error accuracy verification and measurement and control error efficiency verification on the measurement and control error;

[0056] An error alarm module is used to obtain the measurement and control error that has passed the measurement and control error check and generate an error alarm signal and an error out-of-tolerance signal according to the measurement and control error range;

[0057] The error display module is used to display the measurement and control errors that have passed the measurement and control error calibration, error alarm signals and error excess signals in real time.

[0058] In this embodiment, the measurement and control target of the measurement and control device is, for example, measurement and control of voltage parameters and measurement and control of current parameters.

[0059] In this embodiment, the measurement and control value is the value that the measurement and control target of the measurement and control device needs to achieve.

[0060] In this embodiment, the measurement and control error refers to the difference between the actual value of the measurement and control target and the measurement and control value of the measurement and control target.

[0061] In this embodiment, the measurement and control error accuracy check refers to checking the measurement and control error obtained by automatic calculation, so as to ensure the measurement and control error value is accurate.

[0062] In this embodiment, the measurement and control error efficiency check refers to determining the measurement and control error efficiency of the measurement and control target for verification based on the measurement and control moment of obtaining the actual value of the measurement and control target to the measurement and control error moment of automatically calculating the measurement and control error of the measurement and control target to ensure the measurement and control error efficiency.

[0063] In this embodiment, the error alarm signal refers to an alarm signal when the measurement and control error is within the measurement and control error range.

[0064] In this embodiment, the error out-of-tolerance signal refers to an out-of-tolerance signal in which the measurement and control error exceeds the measurement and control error range.

[0065] The working principle and beneficial effects of the above technical scheme are: calibrating the measurement and control value according to the measurement and control target of the measurement and control device and calibrating the corresponding sensor; monitoring the measurement and control target in real time according to the sensor that has passed the calibration process, obtaining the actual value of the measurement and control target, automatically calculating the measurement and control error of the measurement and control target and performing measurement and control error accuracy verification and measurement and control error efficiency verification on the measurement and control error; obtaining the measurement and control error that has passed the measurement and control error verification and generating an error alarm signal and an error excess signal according to the measurement and control error range; displaying the measurement and control error that has passed the measurement and control error verification, the error alarm signal and the error excess signal in real time, which is conducive to intuitively monitoring the error data and facilitating the inspection of the error data.

[0066] Embodiment 2:

[0067] The embodiment of the present invention provides a measurement and control device capable of displaying errors, a calibration module, including:

[0068] A measurement and control calibration unit is used to determine the measurement and control target of the measurement and control device, and calibrate the measurement and control value according to the application scenario of the measurement and control device and the historical measurement and control data, wherein the measurement and control targets of the measurement and control device include: temperature measurement and control target, voltage measurement and control target, current measurement and control target and power measurement and control target;

[0069] A sensor calibration unit, used to determine a preset measurement and control type and a preset measurement and control accuracy of the sensor according to the measurement and control target of the measurement and control device;

[0070] The standard values are input to the sensors respectively, and the output values of the sensors are obtained to calibrate the sensors. After the sensors are calibrated and qualified, they are applied to the measurement and control device.

[0071] In this embodiment, the preset measurement and control accuracy of the sensor is determined according to the measurement and control requirements, and the preset measurement and control accuracy of different sensors is different.

[0072] In this embodiment, the sensor is calibrated repeatedly at regular intervals.

[0073] In this embodiment, after the sensor is calibrated, the standard value is input again to check whether the sensor has passed the calibration.

[0074] In this embodiment, sensor calibration data is recorded and stored.

[0075] The working principle and beneficial effects of the above technical solution are: calibrating the measurement and control value according to the measurement and control target of the measurement and control device and calibrating the corresponding sensor, which is conducive to ensuring the numerical accuracy of the subsequent automatic calculation of the measurement and control error.

[0076] Embodiment 3:

[0077] The embodiment of the present invention provides a measurement and control device capable of displaying errors, an error measurement and control module, comprising:

[0078] The measurement and control monitoring value unit is used to monitor the measurement and control target of the measurement and control device in real time according to the sensor that has passed the calibration process, and obtain the sensor monitoring value;

[0079] A numerical processing unit is used to classify and process the sensor monitoring values according to the measurement and control targets;

[0080] Performing secondary classification processing on the result of the primary classification processing according to the signal type, wherein the signal type includes: analog signal type and digital signal type;

[0081] The sensor monitoring value corresponding to the digital signal type in the secondary classification processing result is stored in the data, and the digital signal is recorded as the actual value of the corresponding measurement and control target;

[0082] The sensor monitoring values corresponding to the analog signal types in the secondary classification processing results are respectively extracted according to the primary classification processing results to obtain analog signals;

[0083] Obtaining the fluctuation period of the analog signal, determining the discrete sampling frequency within one fluctuation period of the analog signal according to the preset measurement and control accuracy of the measurement and control device, performing discrete processing on the analog signal, and determining a discrete analog signal;

[0084] Perform linear quantization and encoding processing on discrete analog signals, convert the analog signals into digital signals and store the data, and record the digital signals as the actual values of the corresponding measurement and control targets;

[0085] The value retransmission unit is used to verify the actual value of the measurement and control target. When the actual value of the measurement and control target is detected to be discontinuous or has a numerical error, the sensor monitoring value within the corresponding monitoring period is re-processed and the original actual value is replaced;

[0086] A numerical optimization unit is used to obtain a quantified value of the fluctuation amplitude of the actual value. When it is monitored that the ratio of the quantified value of the fluctuation amplitude of the actual value of the measurement and control target to the actual value of the measurement and control target is not higher than a preset measurement and control accuracy, the corresponding actual value is determined to be a weak-fluctuation actual value, and a differential amplification optimization process is performed on the weak-fluctuation actual value, and the differential amplification optimization process result replaces the original actual value;

[0087] The error measurement and control unit is used to automatically calculate the measurement and control error of the measurement and control target based on the measurement and control value of the measurement and control target and the actual value of the measurement and control target, and to perform measurement and control error accuracy verification and measurement and control error efficiency verification on the measurement and control error.

[0088] In this embodiment, a classification process refers to classification process according to the measurement and control target, for example, classification into current sensor monitoring value and voltage sensor monitoring value.

[0089] In this embodiment, the secondary classification process refers to classification process according to the signal type, which is classified into analog signal type and digital signal type.

[0090] In this embodiment, the higher the preset measurement and control accuracy of the measurement and control device is, the higher the discrete sampling frequency within one fluctuation period is.

[0091] In this embodiment, when the actual value of the measurement and control target is detected to be discontinuous or has a numerical error, the sensor monitoring value within the corresponding monitoring period is re-processed and replaced with the original actual value to ensure the validity and accuracy of the actual value.

[0092] In this embodiment, when the ratio of the quantized value of the actual value fluctuation amplitude of the measurement and control target to the actual value of the measurement and control target is not higher than the preset measurement and control accuracy, the corresponding actual value is determined to be a weakly fluctuating actual value, that is, the fluctuation change of the corresponding actual value is not easy to observe.

[0093] In this embodiment, the weak fluctuation actual value is subjected to differential amplification optimization processing, and the differential amplification optimization processing result replaces the original actual value for subsequent effective and intuitive observation of the actual value.

[0094] The working principle and beneficial effects of the above technical solution are: based on the qualified calibration sensor, the measurement and control target is monitored in real time, the actual value of the measurement and control target is obtained, the measurement and control error of the measurement and control target is automatically calculated, and the measurement and control error is checked for measurement and control error accuracy and measurement and control error efficiency, which is conducive to the inspection of error data.

[0095] Embodiment 4:

[0096] The embodiment of the present invention provides a measurement and control device capable of displaying errors, and an error measurement and control unit, comprising:

[0097] The automatic calculation block of the measurement and control error is used to automatically calculate the measurement and control error of the measurement and control target according to the measurement and control value of the measurement and control target and the actual value of the measurement and control target;

[0098] The measurement and control error accuracy block is used to establish a measurement and control accuracy-measurement and control error accuracy mapping table based on the historical measurement and control data of the measurement and control device, and determine the preset measurement and control error accuracy of the measurement and control target based on the preset measurement and control accuracy;

[0099] Acquire an actual value of the measurement and control target for a second time, record it as a second actual value, and determine an actual measurement and control error accuracy of the measurement and control target by combining the actual value of the measurement and control target and the measurement and control value of the measurement and control target;

[0100] A measurement and control error efficiency block, used to determine the measurement and control error efficiency of the measurement and control target according to the measurement and control moment of obtaining the actual value of the measurement and control target to the measurement and control error moment of automatically calculating the measurement and control error of the measurement and control target;

[0101] The measurement and control error comprehensive verification block is used to set the measurement and control error accuracy verification weight and the measurement and control error efficiency verification weight, and calculate the comprehensive verification value of the measurement and control error;

[0102] Wherein, F represents the comprehensive verification value of the measurement and control error; A1 represents the signal amplitude when obtaining the i1th actual value of the measurement and control target; w represents the signal sampling frequency of the measurement and control device; t represents the signal sampling time of the measurement and control device; A represents the initial phase of obtaining the i1th actual value of the measurement and control target; A2 represents the signal amplitude when obtaining the i1th second actual value of the measurement and control target; Indicates the initial phase for obtaining the i1th second actual value of the measurement and control target; Indicates the actual value of the measurement and control target; represents the second actual value of the measurement and control target; y1 represents the measurement and control value of the measurement and control target; Indicates when No less than When Otherwise, output p1 represents the preset measurement and control error accuracy of the measurement and control target; t1i1 represents the measurement and control time of obtaining the i1th actual value of the measurement and control target; t2i1 represents the measurement and control error time of automatically calculating the i1th measurement and control error of the measurement and control target; T1 represents the preset automatic calculation time of the measurement and control error of the measurement and control device; n1 represents the number of actual values of the measurement and control target obtained by the measurement and control device;

[0103] When the comprehensive verification value of the measurement and control error is not higher than the preset verification value, it is determined that the measurement and control error verification has passed.

[0104] In this embodiment, the measurement and control accuracy-measurement and control error accuracy mapping table is used to ensure the measurement and control error accuracy. The higher the measurement and control accuracy, the higher the corresponding measurement and control error accuracy.

[0105] In this embodiment, the second actual value refers to the value of the actual value of the measurement and control target obtained for the second time, which is used to verify whether the actual value of the measurement and control target is accurately measured.

[0106] In this embodiment, the measurement and control error efficiency of the measurement and control target is determined based on the measurement and control moment from the measurement and control moment for obtaining the actual value of the measurement and control target to the measurement and control error moment for automatically calculating the measurement and control error of the measurement and control target. For example, the measurement and control moment for obtaining the actual value of the measurement and control target is t1, the measurement and control error moment for automatically calculating the measurement and control error of the measurement and control target is t2, and the time t3 for automatically calculating the measurement and control error is preset, then the measurement and control error efficiency of the measurement and control target is (t2-t1) / t3.

[0107] The working principle and beneficial effect of the above technical solution are: by automatically calculating the measurement and control error of the measurement and control target and performing measurement and control error accuracy verification and measurement and control error efficiency verification on the measurement and control error, the measurement and control accuracy and measurement and control efficiency of the measurement and control error are effectively ensured.

[0108] Embodiment 5:

[0109] The embodiment of the present invention provides a measurement and control device capable of displaying errors, and a parameter setting block, comprising:

[0110] The parameter setting block is used to set the parameter setting buttons to set the parameters of the measurement and control device, wherein the parameter setting buttons include: an OK button, a cancel button, up, down, left, and right buttons, and a reset button.

[0111] In this embodiment, the parameter setting buttons are integrated in the same area of the measurement and control device for easy operation, for example, they are integrated in the lower right area of the measurement and control device.

[0112] The working principle and beneficial effect of the above technical solution are: by setting the parameter setting button, it is convenient for maintenance personnel to quickly operate and maintain the measurement and control device.

[0113] Embodiment 6:

[0114] The embodiment of the present invention provides a measurement and control device capable of displaying errors, and an error alarm module, comprising:

[0115] An error alarm unit is used to obtain a measurement and control error that has passed the measurement and control error check, and when there is no measurement and control error that has passed the measurement and control error check, it is determined that the measurement and control device is operating normally;

[0116] When there is a measurement and control error that has passed the measurement and control error check and is within the measurement and control error range, it is determined that the corresponding measurement and control device has a fault and an error alarm signal is generated;

[0117] The error exceeding tolerance unit is used to determine that the error exceeding tolerance occurs in the corresponding measurement and control device when there is a measurement and control error that passes the measurement and control error check and exceeds the measurement and control error range, and generate an error exceeding tolerance signal.

[0118] The working principle and beneficial effect of the above technical solution are: by generating an error alarm signal and an error excess signal, it is beneficial to subsequently intuitively display the working status and measurement and control error of the measurement and control device.

[0119] Embodiment 7:

[0120] The embodiment of the present invention provides a measurement and control device capable of displaying errors, and an error display module, comprising:

[0121] The measurement and control error display unit is provided with a liquid crystal display screen in the measurement and control device to display the measurement and control error that has passed the measurement and control error check and the working status of the measurement and control device in real time;

[0122] Error alarm display unit, used to set the operation indicator light and the alarm indicator light, receive the error alarm signal and display it in real time;

[0123] The error out-of-tolerance display unit is used to set the out-of-tolerance indicator light, receive the error out-of-tolerance signal and display it in real time.

[0124] In this embodiment, an operation indicator light is provided, and when the measurement and control device operates normally, the operation indicator light is displayed in green.

[0125] In this embodiment, an alarm indicator light is provided. When a fault occurs in the measurement and control device, the alarm indicator light is displayed in red. When the fault is eliminated, the fault light goes out.

[0126] In this embodiment, an out-of-tolerance indicator light is provided. When an out-of-tolerance error occurs in the measurement and control device, the out-of-tolerance indicator light is yellow, and when the out-of-tolerance is eliminated, the fault light goes out.

[0127] The working principle and beneficial effect of the above technical solution are: by accessing the error alarm signal and the error excess signal and setting the corresponding indicator light, the intuitive monitoring of the measurement and control device is effectively realized.

[0128] Embodiment 8:

[0129] The embodiment of the present invention provides a measurement and control device capable of displaying errors, a deactivation maintenance module, comprising:

[0130] The deactivation and maintenance unit is used to deactivate the measurement and control device and notify maintenance personnel to perform maintenance operations when it is monitored that the measurement and control device displays an error that exceeds the tolerance.

[0131] The working principle and beneficial effect of the above technical solution are: when it is monitored that the measurement and control device shows an error that exceeds the tolerance, the measurement and control device is disabled and the maintenance personnel are notified to perform maintenance operations, which effectively ensures the stability of the measurement and control device.

[0132] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A measurement and control device capable of displaying errors, characterized in that: include: The calibration module is used to calibrate the measurement and control value according to the measurement and control target of the measurement and control device and calibrate the corresponding sensor; The error measurement and control module is used to monitor the measurement and control target in real time based on the qualified calibration sensor, obtain the actual value of the measurement and control target, automatically calculate the measurement and control error of the measurement and control target, and perform measurement and control error accuracy verification and measurement and control error efficiency verification on the measurement and control error; An error alarm module is used to obtain the measurement and control error that has passed the measurement and control error check and generate an error alarm signal and an error out-of-tolerance signal according to the measurement and control error range; The error display module is used to display the measurement and control errors that have passed the measurement and control error calibration, error alarm signals and error excess signals in real time.

2. A measurement and control device capable of displaying errors according to claim 1, characterized in that: Calibration module, including: A measurement and control calibration unit is used to determine the measurement and control target of the measurement and control device, and calibrate the measurement and control value according to the application scenario of the measurement and control device and the historical measurement and control data, wherein the measurement and control targets of the measurement and control device include: temperature measurement and control target, voltage measurement and control target, current measurement and control target and power measurement and control target; A sensor calibration unit, used to determine a preset measurement and control type and a preset measurement and control accuracy of the sensor according to a measurement and control target of the measurement and control device; The standard values are input to the sensors respectively, and the output values of the sensors are obtained to calibrate the sensors. After the sensors are calibrated and qualified, they are applied to the measurement and control device.

3. A measurement and control device capable of displaying errors according to claim 1, characterized in that: Error measurement and control module, including: The measurement and control monitoring value unit is used to monitor the measurement and control target of the measurement and control device in real time according to the sensor that has passed the calibration process, and obtain the sensor monitoring value; A numerical processing unit is used to classify and process the sensor monitoring values according to the measurement and control targets; Performing secondary classification processing on the result of the primary classification processing according to the signal type, wherein the signal type includes: analog signal type and digital signal type; The sensor monitoring value corresponding to the digital signal type in the secondary classification processing result is stored in the data, and the digital signal is recorded as the actual value of the corresponding measurement and control target; The sensor monitoring values corresponding to the analog signal types in the secondary classification processing results are respectively extracted according to the primary classification processing results to obtain analog signals; Obtaining the fluctuation period of the analog signal, determining the discrete sampling frequency within one fluctuation period of the analog signal according to the preset measurement and control accuracy of the measurement and control device, performing discrete processing on the analog signal, and determining a discrete analog signal; Perform linear quantization and encoding processing on discrete analog signals, convert the analog signals into digital signals and store the data, and record the digital signals as the actual values of the corresponding measurement and control targets; The value retransmission unit is used to verify the actual value of the measurement and control target. When the actual value of the measurement and control target is detected to be discontinuous or has a numerical error, the sensor monitoring value within the corresponding monitoring period is re-processed and the original actual value is replaced; A numerical optimization unit is used to obtain a quantified value of the fluctuation amplitude of the actual value. When it is monitored that the ratio of the quantified value of the fluctuation amplitude of the actual value of the measurement and control target to the actual value of the measurement and control target is not higher than a preset measurement and control accuracy, the corresponding actual value is determined to be a weak-fluctuation actual value, and a differential amplification optimization process is performed on the weak-fluctuation actual value, and the differential amplification optimization process result replaces the original actual value; The error measurement and control unit is used to automatically calculate the measurement and control error of the measurement and control target based on the measurement and control value of the measurement and control target and the actual value of the measurement and control target, and to perform measurement and control error accuracy verification and measurement and control error efficiency verification on the measurement and control error.

4. A measurement and control device capable of displaying errors according to claim 3, characterized in that: Error measurement and control unit, including: The automatic calculation block of the measurement and control error is used to automatically calculate the measurement and control error of the measurement and control target according to the measurement and control value of the measurement and control target and the actual value of the measurement and control target; The measurement and control error accuracy block is used to establish a measurement and control accuracy-measurement and control error accuracy mapping table based on the historical measurement and control data of the measurement and control device, and determine the preset measurement and control error accuracy of the measurement and control target based on the preset measurement and control accuracy; Acquire an actual value of the measurement and control target for a second time, record it as a second actual value, and determine an actual measurement and control error accuracy of the measurement and control target by combining the actual value of the measurement and control target and the measurement and control value of the measurement and control target; A measurement and control error efficiency block, used to determine the measurement and control error efficiency of the measurement and control target according to the measurement and control moment of obtaining the actual value of the measurement and control target to the measurement and control error moment of automatically calculating the measurement and control error of the measurement and control target; The measurement and control error comprehensive verification block is used to set the measurement and control error accuracy verification weight and the measurement and control error efficiency verification weight, and calculate the comprehensive verification value of the measurement and control error; Wherein, F represents the comprehensive verification value of the measurement and control error; A1 represents the signal amplitude when obtaining the i1th actual value of the measurement and control target; w represents the signal sampling frequency of the measurement and control device; t represents the signal sampling time of the measurement and control device; A represents the initial phase of obtaining the i1th actual value of the measurement and control target; A2 represents the signal amplitude when obtaining the i1th second actual value of the measurement and control target; Indicates the initial phase for obtaining the i1th second actual value of the measurement and control target; Indicates the actual value of the measurement and control target; represents the second actual value of the measurement and control target; y1 represents the measurement and control value of the measurement and control target; Indicates when No less than When Otherwise, output p1 represents the preset measurement and control error accuracy of the measurement and control target; t1i1 represents the measurement and control time of obtaining the i1th actual value of the measurement and control target; t2i1 represents the measurement and control error time of automatically calculating the i1th measurement and control error of the measurement and control target; T1 represents the preset automatic calculation time of the measurement and control error of the measurement and control device; n1 represents the number of actual values of the measurement and control target obtained by the measurement and control device; When the comprehensive verification value of the measurement and control error is not higher than the preset verification value, it is determined that the measurement and control error verification has passed.

5. A measurement and control device capable of displaying errors according to claim 4, characterized in that: Also included is the parameter setting block, including: The parameter setting block is used to set the parameter setting buttons to set the parameters of the measurement and control device, wherein the parameter setting buttons include: an OK button, a cancel button, up, down, left, and right buttons, and a reset button.

6. A measurement and control device capable of displaying errors according to claim 1, characterized in that: Error alarm module, including: An error alarm unit is used to obtain a measurement and control error that has passed the measurement and control error check, and when there is no measurement and control error that has passed the measurement and control error check, it is determined that the measurement and control device is operating normally; When there is a measurement and control error that has passed the measurement and control error check and is within the measurement and control error range, it is determined that the corresponding measurement and control device has a fault and an error alarm signal is generated; The error exceeding tolerance unit is used to determine that the error exceeding tolerance occurs in the corresponding measurement and control device when there is a measurement and control error that passes the measurement and control error check and exceeds the measurement and control error range, and generate an error exceeding tolerance signal.

7. A measurement and control device capable of displaying errors according to claim 1, characterized in that: Error display module, including: The measurement and control error display unit is provided with a liquid crystal display screen in the measurement and control device to display the measurement and control error that has passed the measurement and control error check and the working status of the measurement and control device in real time; Error alarm display unit, used to set the operation indicator light and the alarm indicator light, receive the error alarm signal and display it in real time; The error out-of-tolerance display unit is used to set the out-of-tolerance indicator light, receive the error out-of-tolerance signal and display it in real time.

8. A measurement and control device capable of displaying errors according to claim 1, characterized in that: Also included is a decommissioning maintenance module, including: The deactivation and maintenance unit is used to deactivate the measurement and control device and notify maintenance personnel to perform maintenance operations when it is monitored that the measurement and control device displays an error that exceeds the tolerance.