CN-122015939-A - Metering instrument verification and identification method and device based on verification process response characteristics

CN122015939ACN 122015939 ACN122015939 ACN 122015939ACN-122015939-A

Abstract

The invention relates to the technical field of metering instrument verification, and provides a metering instrument verification and identification method and device based on verification process response characteristics. The method collects process response data of the metering instrument under different verification process conditions by constructing a standard verification process and a comparison verification process on the premise of not changing the magnitude of verification points and conforming to the verification procedure, further establishes corresponding relations between process response characteristics, verification process organization modes and loading paths, and performs alignment analysis on the corresponding relations under the same verification point positions so as to judge whether the response relation of the process response characteristics changing along with the verification process changes or not and whether the response relation of the process response characteristics keeping consistent under different loading path conditions or not. Through the mode, the verification behavior of the metering instrument is identified. The method does not depend on single criterion of indicating value error, can describe the response behavior characteristics of the metering instrument from the verification process level, and is suitable for verification and identification scenes of various metering instruments.

Inventors

QIAO HAO
WANG XIAO

Assignees

上海标卓科学仪器有限公司
上海霖亚信信息技术有限公司

Dates

Publication Date: 20260512
Application Date: 20260414

Claims (10)

1. A method for metering instrument verification based on verification process response characteristics, the method comprising the steps of: S1, executing a standard verification process under a preset verification point magnitude of a metering instrument to be tested, and collecting first response data including indication stabilization time, indication change process and time interval of measurement data output in a unified sampling mode in the loading process of each verification point; s2, on the premise that the magnitude of each verification point is kept unchanged and does not exceed the allowable range of the verification rule, the loading sequence of the verification points, the waiting time distribution between adjacent verification points and the loading return mode are adjusted to construct and obtain a comparison verification flow; S3, calibrating the metering instrument to be tested according to the comparison verification flow, and collecting second response data with the same type as the first response data; S4, aiming at the same verification point magnitude, establishing corresponding relations among process response characteristics, verification flow organization modes and loading paths based on the first response data and the second response data respectively, and carrying out alignment analysis on the corresponding relations under the same verification point positions so as to judge whether the response relations of the process response characteristics under the verification flow change conditions are changed or not and whether the corresponding relations under different loading path conditions are kept consistent or not; s5, determining and outputting verification and identification results of the measuring instrument to be measured based on the results of the alignment analysis.
2. The method for verifying and identifying a metrology instrument based on the response characteristics of a verification process according to claim 1, wherein the step of adjusting the loading sequence of the verification points, the waiting time distribution between adjacent verification points and the loading return mode to construct and obtain a comparison verification process on the premise of keeping the magnitude of each verification point unchanged and not exceeding the allowable range of the verification procedure comprises the following steps: S21, on the premise of keeping the magnitude set of each verification point unchanged, the loading sequence of each verification point in the standard verification process is adjusted, so that each verification point is sequentially loaded according to the sequence different from the standard verification process; S22, after finishing the adjustment of the loading sequence, reassigning the waiting time between adjacent checking points to enable different checking points to correspond to different stable waiting time lengths after the loading is finished; S23, introducing loading return operation at least one verification point on the basis of finishing the loading sequence and waiting time distribution adjustment, so that the same verification point magnitude is applied for multiple times under different loading paths, thereby forming a comparison verification flow which is consistent in verification magnitude conditions and different from a standard verification flow in loading sequence, time organization mode and loading path of the verification process.
3. A meter verification method based on verification process response characteristics of claim 2, wherein reassigning the waiting time between adjacent verification points to allow different verification points to correspond to different stable waiting times after loading is completed comprises: S221, grouping the verification points according to the time of stable indication value or the change process of indication value corresponding to each verification point in the standard verification process; S222, respectively setting different stable waiting time lengths for verification points of different groups, so that the verification points belonging to different groups correspond to different waiting times after loading is completed, wherein the stable waiting time length of a subsequent verification point is determined according to the group to which a previous verification point belongs and the corresponding waiting time, and the waiting time distribution between adjacent verification points has sequential relevance, so that a non-equidistant and non-periodic waiting time sequence is formed.
4. The method for verifying and identifying a metrology instrument based on a verification process response characteristic of claim 1, wherein establishing a correspondence between the process response characteristic and a verification process organization manner and a loading path based on the first response data and the second response data, respectively, for the same verification point magnitude, comprises: s41, under the condition of the same detection point magnitude, marking the first response data and the second response data according to a corresponding verification flow organization mode and a loading path respectively, so that each group of process response characteristics are associated with the corresponding loading sequence position, waiting time distribution position and loading path position; S42, for each verification point magnitude, respectively carrying out serialization processing on the indication value stabilizing time, the indication value changing process and the measurement data output time interval according to the execution sequence of the verification process to form a process response characteristic sequence corresponding to the verification process organization mode one by one; S43, combining the process response characteristic sequence with the corresponding verification process organization mode parameters and loading path parameters to form a corresponding relation set describing the change of the process response characteristic along with the verification process organization mode and loading path.
5. The method for verifying and identifying a metrology instrument based on a verification process response feature of claim 4, wherein the alignment analysis is performed on the correspondence under the same verification point position to determine whether the response of the process response feature changes under the verification process change condition and whether the correspondence remains consistent under different loading path conditions, comprising: S44, using the execution position of the verification point in the verification process as an alignment reference, and aligning the positions of the corresponding relation sets of the process response characteristics formed under different verification process organization modes and different loading path conditions; s45, aiming at different verification process organization mode conditions and different loading path conditions, the relation items in the corresponding relation set are compared item by item to obtain corresponding relation difference items; S46, classifying the relation difference items according to the dimension of the verification process organization mode and the dimension of the loading path respectively to form an alignment analysis result describing the relation change condition of the process response characteristic under different verification process conditions and different loading path conditions.
6. A metering instrument verification and identification device based on verification process response characteristics, comprising: the acquisition module is used for executing a standard verification process on the to-be-detected metering instrument under the preset verification point magnitude, and acquiring first response data in a unified sampling mode in the loading process of each verification point, wherein the first response data comprises indication value stabilizing time, indication value changing process and time interval for outputting measurement data; The flow construction module is used for adjusting the loading sequence of the detection points, the waiting time distribution between adjacent detection points and the loading return mode on the premise of keeping the magnitude of each detection point unchanged and not exceeding the allowable range of the detection rules so as to construct and obtain a comparison detection flow; The control acquisition module is used for calibrating the metering instrument to be tested according to the control verification flow and acquiring second response data with the same type as the first response data; The relation analysis module is used for establishing corresponding relations among the process response characteristics, the verification flow organization mode and the loading paths based on the first response data and the second response data respectively aiming at the same verification point values, and carrying out alignment analysis on the corresponding relations under the same verification point positions so as to judge whether the response relations of the process response characteristics under the verification flow change condition are changed or not and whether the corresponding relations under different loading path conditions are kept consistent or not; and the identification output module is used for determining and outputting the identification result of the metering instrument to be tested based on the result of the alignment analysis.
7. The metering instrument verification and identification device based on verification process response characteristics of claim 6, wherein the flow construction module is specifically configured to implement: On the premise of keeping the magnitude set of each verification point unchanged, the loading sequence of each verification point in the standard verification process is adjusted, so that each verification point is sequentially loaded according to the sequence different from the standard verification process; after finishing the adjustment of the loading sequence, reassigning the waiting time between adjacent checking points to enable different checking points to correspond to different stable waiting time lengths after the loading is finished; On the basis of finishing the adjustment of the loading sequence and the waiting time distribution, loading return operation is introduced at least one verification point, so that the same verification point magnitude is applied for multiple times under different loading paths, thereby forming a comparison verification flow which is consistent in verification magnitude conditions and different from a standard verification flow in the loading sequence, the time organization mode and the loading path of the verification process.
8. The metering instrument verification and identification device based on verification process response characteristics of claim 7, wherein the flow construction module is specifically configured to implement: Grouping the verification points according to the time of stabilizing the indication value or the change process of the indication value corresponding to each verification point in the standard verification process; And setting different stable waiting time lengths for the verification points of different groups respectively, so that the verification points belonging to different groups correspond to different waiting times after loading is completed, wherein the stable waiting time length of the subsequent verification points is determined according to the group to which the previous verification point belongs and the corresponding waiting time, and the waiting time distribution between the adjacent verification points has sequential relevance, so that a non-equidistant and non-periodic waiting time sequence is formed.
9. A readable medium having instructions stored thereon, which when executed on an electronic device, cause the electronic device to perform the method of any of claims 1-5.
10. A computer program product comprising instructions which, when executed on an electronic device, cause the electronic device to implement the method of any of claims 1-5.

Description

Metering instrument verification and identification method and device based on verification process response characteristics Technical Field The invention relates to the technical field of metering instrument verification, in particular to a metering instrument verification and identification method and device based on verification process response characteristics. Background The detection and identification of the existing metering instrument generally judges whether the instrument indication error meets the allowable error requirement according to legal verification rules under the specified verification point magnitude, loading sequence and stable conditions. This type of method focuses mainly on the final measurement results at the assay site, but lacks analysis of the response behavior of the instrument during the assay. In practical applications, it has been found that some metrology instruments may, when identified in a certification state or in a particular certification procedure, make targeted adjustments to the measurement results by internal procedures to qualify them under certification conditions, while generating systematic deviations under practical operating conditions. The behavior is usually related to verification operation sequence, loading rhythm or repeated mode, has strong concealment, and is difficult to identify by simply increasing the detection point or improving the precision of the standard. In the prior art, the manner of relying on disassembly detection, program review or changing assay magnitude addresses the above problems, but has limited applicability in legal metering assay scenarios and may disrupt existing assay protocols. Therefore, a new meter verification scheme is needed. Disclosure of Invention Aiming at the technical problems in the background technology, the invention provides a metering instrument verification and identification method and device based on verification process response characteristics. The invention provides a metering instrument verification and identification method based on verification process response characteristics, which comprises the following steps: S1, executing a standard verification process under a preset verification point magnitude of a metering instrument to be tested, and collecting first response data including indication stabilization time, indication change process and time interval of measurement data output in a unified sampling mode in the loading process of each verification point; s2, on the premise that the magnitude of each verification point is kept unchanged and does not exceed the allowable range of the verification rule, the loading sequence of the verification points, the waiting time distribution between adjacent verification points and the loading return mode are adjusted to construct and obtain a comparison verification flow; S3, calibrating the metering instrument to be tested according to the comparison verification flow, and collecting second response data with the same type as the first response data; S4, aiming at the same verification point magnitude, establishing corresponding relations among the process response characteristics, the verification process organization mode and the loading paths based on the first response data and the second response data respectively, and carrying out alignment analysis on the corresponding relations under the same verification point position to judge whether the response relations of the process response characteristics under the verification process change condition are changed or not, and whether the corresponding relations under different loading path conditions are kept consistent or not. S5, determining and outputting verification and identification results of the measuring instrument to be measured based on the results of the alignment analysis. The invention also provides a metering instrument verification and identification device based on the verification process response characteristics, which comprises: the acquisition module is used for executing a standard verification process on the to-be-detected metering instrument under the preset verification point magnitude, and acquiring first response data in a unified sampling mode in the loading process of each verification point, wherein the first response data comprises indication value stabilizing time, indication value changing process and time interval for outputting measurement data; The flow construction module is used for adjusting the loading sequence of the detection points, the waiting time distribution between adjacent detection points and the loading return mode on the premise of keeping the magnitude of each detection point unchanged and not exceeding the allowable range of the detection rules so as to construct and obtain a comparison detection flow; The control acquisition module is used for calibrating the metering instrument to be tested according to the control verification flow and acquiring s