CN103674194A - Verification system and verification method of electromagnetic flowmeter - Google Patents
Verification system and verification method of electromagnetic flowmeter Download PDFInfo
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- CN103674194A CN103674194A CN201310750822.7A CN201310750822A CN103674194A CN 103674194 A CN103674194 A CN 103674194A CN 201310750822 A CN201310750822 A CN 201310750822A CN 103674194 A CN103674194 A CN 103674194A
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Abstract
The invention provides a verification system and a verification method of an electromagnetic flowmeter. The verification system comprises a verification device, a port distribution device and a standard electromagnetic flowmeter, wherein the verification device is respectively connected with a plurality of electromagnetic flowmeters to be verified through the port distribution device and used for verifying the electromagnetic flowmeters to be verified in sequence. The verification efficiency is higher, and the problem that the existing verification system has lower verification efficiency can be solved.
Description
Technical field
The application relates to measurement verification technical field, more particularly, relates to a kind of verification system and calibration method of electromagnetic flowmeter.
Background technology
Current verification system, when electromagnetic flowmeter is examined and determine, need to be carried out one by one.Be about to an electromagnetic flowmeter and receive in verification system, then this electromagnetic flowmeter is demarcated and checked, after completing, again next electromagnetic flowmeter is examined and determine.Can only examine and determine an electromagnetic flowmeter, calibrating efficiency is lower at every turn.
Summary of the invention
In view of this, the application provides a kind of verification system, for electromagnetic flowmeter is examined and determine, to solve the lower problem of calibrating efficiency.
To achieve these goals, the existing scheme proposing is as follows:
A verification system for electromagnetic flowmeter, comprising:
Calibrating installation, is provided with PORT COM;
Port assignment device, is provided with a plurality of subports that are connected with described PORT COM, and in described a plurality of subports, a subport is for connection standard electromagnetic flowmeter, and other subports are used for connecting a plurality of electromagnetic flowmeters to be checked;
Standard electric magnetic flowmeter, for outputting standard flow signal;
Described calibrating installation is for examining and determine successively described a plurality of electromagnetic flowmeters to be checked.
Preferably, described PORT COM is RS232 serial port.
Preferably, described port assignment device comprises:
Converter, is connected with described RS232 serial port, for being RS485 port by RS232 port translation;
Conversion assignments device, is connected with described breakout box, for described RS485 being converted to described a plurality of subport.
Preferably, described subport is RS232 port.
Preferably, described RS232 serial port is connected by RS232 communication cable with described breakout box.
Preferably, described converter is connected by RS485 communication cable with described conversion assignments device.
Preferably, described subport is connected by RS232 communication cable with described electromagnetic flowmeter to be checked.
A calibration method for electromagnetic flowmeter, utilizes the above-described verification system of right to demarcate and verification electromagnetic flowmeter to be checked.
Preferably, described demarcation comprises the steps:
Initialization standard electric magnetic flowmeter and described electromagnetic flowmeter to be checked;
Obtain when flow is respectively 100%, 50% and 10% the flow value of the normal stream value of standard electric magnetic flowmeter output and electromagnetic flowmeter to be checked output;
According to described normal stream value and described flow value, calculate penalty coefficient;
Described penalty coefficient is write to described electromagnetic flowmeter to be checked.
Preferably, described verification comprises the steps:
Initialization standard electric magnetic flowmeter and described electromagnetic flowmeter to be checked;
Obtain when flow is respectively 100%, 50% and 10% the flow value of the normal stream value of standard electric magnetic flowmeter output and electromagnetic flowmeter to be checked output;
According to described normal stream value and described flow value, calculate error in dipping and measuring accuracy;
Store described error in dipping and measuring accuracy.
From technique scheme, can find out, the verification system of the electromagnetic flowmeter that the application provides comprises calibrating installation, port assignment device and standard electric magnetic flowmeter, calibrating installation is connected with a plurality of electromagnetic flowmeters to be checked respectively by port assignment device, and a plurality of electromagnetic flowmeters to be checked are examined and determine successively, calibrating efficiency is higher, can solve the lower problem of existing verification system calibrating efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural drawing of the verification system of a kind of electromagnetic flowmeter that Fig. 1 provides for the embodiment of the present application;
The another kind of structural drawing of the verification system of the electromagnetic flowmeter that Fig. 2 provides for the embodiment of the present application;
The process flow diagram of the calibration method of a kind of electromagnetic flowmeter that Fig. 3 provides for another embodiment of the application;
The process flow diagram of the scaling method of a kind of electromagnetic flowmeter that Fig. 4 provides for the another embodiment of the application;
The process flow diagram of the method for calibration of a kind of electromagnetic flowmeter that Fig. 5 provides for the another embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment mono-
The structural drawing of the verification system of a kind of flowmeter that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, the verification system that the present embodiment provides comprises calibrating installation 10, port assignment device 20, standard electric magnetic flowmeter 30.Wherein calibrating installation comprises PORT COM 11, PORT COM 11 is connected with port assignment device 20, port assignment device 20 comprises a plurality of subports, a subport of port assignment device 20 is connected with standard electric magnetic flowmeter 30, and all the other subports are for being connected with a plurality of electromagnetic flowmeters 40 to be checked.
Standard electric magnetic flowmeter 30 is controlled by calibrating installation 10 in when calibrating, and according to flowing through its fluid outputting standard flow signal.
Calibrating installation 10, by port assignment device 20 and a plurality of electromagnetic flowmeter 40 communications to be checked, is examined and determine each electromagnetic flowmeter 40 to be checked successively.
From technique scheme, can find out, the verification system of the electromagnetic flowmeter that the present embodiment provides comprises calibrating installation, port assignment device and standard electric magnetic flowmeter, calibrating installation is connected with a plurality of electromagnetic flowmeters to be checked respectively by port assignment device, and a plurality of electromagnetic flowmeters to be checked are examined and determine successively, calibrating efficiency is higher, can solve the lower problem of existing verification system calibrating efficiency.
As shown in Figure 2, in the present embodiment, the preferred RS232 serial port of PORT COM 11 of calibrating installation 10.
Subport is preferably 9, can connect 8 electromagnetic flowmeters 40 to be checked.
The input end of conversion assignments device 22 is connected by RS485 communication cable 211 with the output terminal of converter 21, and output terminal is connected with standard electric magnetic flowmeter 30, a plurality of electromagnetic flowmeter 40 to be checked respectively by RS232 communication cable 221.
Embodiment bis-
The process flow diagram of the calibration method of a kind of electromagnetic flowmeter that Fig. 3 provides for another embodiment of the application.
As shown in Figure 3, the calibration method that the present embodiment provides, comprises the steps:
S101: demarcate.
Utilize verification system that embodiment mono-provides to demarcate electromagnetic flowmeter to be checked successively.
S102: verification.
Utilize verification system that embodiment mono-provides to carry out verification to electromagnetic flowmeter to be checked successively.
From technique scheme, can find out, the calibration method that the present embodiment provides is examined and determine electromagnetic flowmeter to be checked one by one without operating personnel, can effectively increase work efficiency.
Embodiment tri-
The process flow diagram of the scaling method of a kind of electromagnetic flowmeter that Fig. 4 provides for the another embodiment of the application.
As shown in Figure 4, the scaling method that the present embodiment provides comprises the steps:
S201: initialization.
Initialization standard electric magnetic flowmeter and electromagnetic flowmeter to be checked.
S202: obtain normal stream value and flow value.
The flow that standard volume flowmeter and flowmeter to be checked are flow through in setting is 100%, and continues 3 minutes, the normal stream value that reads respectively proving flowmeter output in beginning and the end of time-continuing process and the flow value of electromagnetic flowmeter to be checked output.
The flow that standard volume flowmeter and flowmeter to be checked are flow through in setting is 50%, and continues 3 minutes, the normal stream value that reads respectively proving flowmeter output in beginning and the end of time-continuing process and the flow value of electromagnetic flowmeter to be checked output.
The flow that standard volume flowmeter and flowmeter to be checked are flow through in setting is 10%, and continues 3 minutes, the normal stream value that reads respectively proving flowmeter output in beginning and the end of time-continuing process and the flow value of electromagnetic flowmeter to be checked output.
S203: calculate penalty coefficient.
According to a plurality of normal stream values obtained in the previous step and flow value, according to compensation formula, calculate, calculate penalty coefficient.
S204: write electromagnetic flowmeter to be checked.
The penalty coefficient that previous step is calculated writes electromagnetic flowmeter to be checked, completes demarcation.
From technique scheme, can find out, the disclosed scaling method of the present embodiment, without manually calculating, can reduce mistake effectively, improves and demarcates efficiency.
Embodiment tetra-
The process flow diagram of the method for calibration of a kind of electromagnetic flowmeter that Fig. 5 provides for the another embodiment of the application.
As shown in Figure 5, the method for calibration that the present embodiment provides comprises the steps:
S301: initialization.
Initialization standard electric magnetic flowmeter and electromagnetic flowmeter to be checked.
S302: obtain normal stream value and flow value.
The flow that standard volume flowmeter and flowmeter to be checked are flow through in setting is 100%, and continues 3 minutes, the normal stream value that reads respectively proving flowmeter output in beginning and the end of time-continuing process and the flow value of electromagnetic flowmeter to be checked output.
The flow that standard volume flowmeter and flowmeter to be checked are flow through in setting is 50%, and continues 3 minutes, the normal stream value that reads respectively proving flowmeter output in beginning and the end of time-continuing process and the flow value of electromagnetic flowmeter to be checked output.
The flow that standard volume flowmeter and flowmeter to be checked are flow through in setting is 10%, and continues 3 minutes, the normal stream value that reads respectively proving flowmeter output in beginning and the end of time-continuing process and the flow value of electromagnetic flowmeter to be checked output.
S303: calculate error in dipping and measuring accuracy.
According to a plurality of normal stream values obtained in the previous step and flow value, according to correlation formula, calculate, calculate error in dipping and measuring accuracy.
S304: record error in dipping and measuring accuracy.
The penalty coefficient that previous step is calculated writes electromagnetic flowmeter to be checked, completes demarcation.
From technique scheme, can find out, the disclosed method of calibration of the present embodiment, without manually calculating, can reduce mistake effectively, improves verification efficiency.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the application.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can be in the situation that do not depart from the application's spirit or scope, realization in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a verification system for electromagnetic flowmeter, is characterized in that, comprising:
Calibrating installation, is provided with PORT COM;
Port assignment device, is provided with a plurality of subports that are connected with described PORT COM, and in described a plurality of subports, a subport is for connection standard electromagnetic flowmeter, and other subports are used for connecting a plurality of electromagnetic flowmeters to be checked;
Standard electric magnetic flowmeter, for outputting standard flow signal;
Described calibrating installation is for examining and determine successively described a plurality of electromagnetic flowmeters to be checked.
2. verification system as claimed in claim 1, is characterized in that, described PORT COM is RS232 serial port.
3. verification system as claimed in claim 2, is characterized in that, described port assignment device comprises:
Converter, is connected with described RS232 serial port, for being RS485 port by RS232 port translation;
Conversion assignments device, is connected with described breakout box, for described RS485 being converted to described a plurality of subport.
4. verification system as claimed in claim 3, is characterized in that, described subport is RS232 port.
5. the verification system as described in claim 3 or 4 any one, is characterized in that, described RS232 serial port is connected by RS232 communication cable with described breakout box.
6. verification system as claimed in claim 5, is characterized in that, described converter is connected by RS485 communication cable with described conversion assignments device.
7. verification system as claimed in claim 6, is characterized in that, described subport is connected by RS232 communication cable with described electromagnetic flowmeter to be checked.
8. a calibration method for electromagnetic flowmeter, is characterized in that, utilizes the verification system described in claim 1～7 any one to demarcate and verification electromagnetic flowmeter to be checked.
9. calibration method as claimed in claim 8, is characterized in that, described demarcation comprises the steps:
Initialization standard electric magnetic flowmeter and described electromagnetic flowmeter to be checked;
Obtain when flow is respectively 100%, 50% and 10% the flow value of the normal stream value of standard electric magnetic flowmeter output and electromagnetic flowmeter to be checked output;
According to described normal stream value and described flow value, calculate penalty coefficient;
Described penalty coefficient is write to described electromagnetic flowmeter to be checked.
10. calibration method as claimed in claim 8, is characterized in that, described verification comprises the steps:
Initialization standard electric magnetic flowmeter and described electromagnetic flowmeter to be checked;
Obtain when flow is respectively 100%, 50% and 10% the flow value of the normal stream value of standard electric magnetic flowmeter output and electromagnetic flowmeter to be checked output;
According to described normal stream value and described flow value, calculate error in dipping and measuring accuracy;
Store described error in dipping and measuring accuracy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310750822.7A CN103674194A (en) | 2013-12-31 | 2013-12-31 | Verification system and verification method of electromagnetic flowmeter |
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| CN201310750822.7A CN103674194A (en) | 2013-12-31 | 2013-12-31 | Verification system and verification method of electromagnetic flowmeter |
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Cited By (7)
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| CN104266731A (en) * | 2014-10-21 | 2015-01-07 | 中山欧麦克仪器设备有限公司 | System for verifying electromagnetic flowmeter |
| CN106289459A (en) * | 2016-08-02 | 2017-01-04 | 成都千嘉科技有限公司 | Ultrasonic wave gas flow-meter dot factor correcting unit and method |
| CN106643989A (en) * | 2016-11-22 | 2017-05-10 | 重庆川仪自动化股份有限公司 | Density calibration system and method for mass flow meter |
| CN107144325A (en) * | 2017-06-06 | 2017-09-08 | 重庆川仪自动化股份有限公司 | Mass flowmeter calibration detection means |
| CN109116819A (en) * | 2018-08-09 | 2019-01-01 | 安徽省法米特物联技术有限公司 | A kind of Internet of Things big data acquisition processing system |
| CN109143996A (en) * | 2018-08-09 | 2019-01-04 | 安徽省法米特物联技术有限公司 | A kind of Internet of Things big data acquisition processing system that can ensure product quality |
| CN109655101A (en) * | 2017-10-12 | 2019-04-19 | 株洲中车时代电气股份有限公司 | A kind of torque rotary speed intelligent observing and controlling system and test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104266731A (en) * | 2014-10-21 | 2015-01-07 | 中山欧麦克仪器设备有限公司 | System for verifying electromagnetic flowmeter |
| CN106289459A (en) * | 2016-08-02 | 2017-01-04 | 成都千嘉科技有限公司 | Ultrasonic wave gas flow-meter dot factor correcting unit and method |
| CN106643989A (en) * | 2016-11-22 | 2017-05-10 | 重庆川仪自动化股份有限公司 | Density calibration system and method for mass flow meter |
| CN106643989B (en) * | 2016-11-22 | 2023-10-24 | 重庆川仪自动化股份有限公司 | Density calibration system and method for mass flowmeter |
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| CN109655101A (en) * | 2017-10-12 | 2019-04-19 | 株洲中车时代电气股份有限公司 | A kind of torque rotary speed intelligent observing and controlling system and test method |
| CN109116819A (en) * | 2018-08-09 | 2019-01-01 | 安徽省法米特物联技术有限公司 | A kind of Internet of Things big data acquisition processing system |
| CN109143996A (en) * | 2018-08-09 | 2019-01-04 | 安徽省法米特物联技术有限公司 | A kind of Internet of Things big data acquisition processing system that can ensure product quality |
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