CN107063508A - A kind of temperature transmitter measurement error intelligent checking analysis method - Google Patents
A kind of temperature transmitter measurement error intelligent checking analysis method Download PDFInfo
- Publication number
- CN107063508A CN107063508A CN201710281319.XA CN201710281319A CN107063508A CN 107063508 A CN107063508 A CN 107063508A CN 201710281319 A CN201710281319 A CN 201710281319A CN 107063508 A CN107063508 A CN 107063508A
- Authority
- CN
- China
- Prior art keywords
- temperature transmitter
- intelligent checking
- measurement error
- verified
- signal source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of temperature transmitter measurement error intelligent checking analysis method, including standard signal source and intelligent checking terminal, the intelligent checking terminal output end is connected with the input of the standard signal source, the output end of the standard signal source is connected with the input of temperature transmitter to be verified, and the output end of temperature transmitter to be verified is connected with the input of the intelligent checking terminal；The intelligent signal terminal increases from childhood in the range ability of temperature transmitter to be verified, then it is arrogant diminish, complete totally three measurement periods, calculate the measurement error for obtaining temperature transmitter, and judge whether temperature transmitter qualified.The invention provides a kind of temperature transmitter measurement error intelligent checking analysis method, the automation of temperature transmitter verification, and efficiently and accurately are realized.
Description
Technical field
The present invention relates to a kind of error checking analysis method, more particularly to a kind of measurement suitable for temperature transmitter is missed
Poor intelligent checking analysis method.
Background technology
Temperature transmitter is a kind of instrument that temperature variable is converted to transmittable normalization output signal.It is mainly used in
Power system main transformer oil is measured, according to the requirement of temperature transmitter operating specification, it is necessary to periodically be tested to it, with true
The precision for protecting temperature transmitter meets the requirements.At present, the year of temperature transmitter examines workload big.And existing temperature becomes at present
Send device check meter single to be only capable of verifying separate unit transmitter, and need manually to be operated and recorded in real time, checking time is longer；
Meanwhile, the temperature transmitter quantity of the verification needed every year is larger, during many temperature transmitter verifications, on the one hand easily to portable
The precision of temperature transmitter tester impact；Another aspect teams and groups personnel's diversification, professional skill boundary is obvious, but
When being tested to temperature transmitter, it is necessary to put into proprietary personnel, labor intensive, and prolonged repeat be easily caused
Fatigue operation, so as to bring safety hazards.
Development in science and technology now causes increasing intelligent apparatus, system largely to use, and verification dress is tested at present by company
Put methods still to stay in decades ago, fail to keep up with the paces of development in science and technology.
The content of the invention
It is an object of the invention to the deficiency for overcoming prior art, there is provided a kind of intelligent school of temperature transmitter measurement error
Analysis method is tested, the automation of temperature transmitter verification, and efficiently and accurately is realized.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of temperature transmitter measurement error intelligent checking analysis method, including standard signal source and intelligent checking terminal,
The intelligent checking terminal output end is connected with the input of the standard signal source, the output end of the standard signal source with
The input of temperature transmitter to be verified is connected, and the output end of temperature transmitter to be verified is defeated with the intelligent checking terminal
Enter end to be connected；And carry out check analysis by following steps：
(1) one group of measured value k is set by intelligent checking terminal1、k2...kn, and obtain theoretical output valve by calculating
IReal 1、IReal 2...IReal nOr VReal 1、VReal 2...VReal n, and the measured value meets m≤k1<k2<...<kn≤ M, n >=5；Wherein, m is to treat school
The bottom threshold of the input value of temperature transmitter is tested, M is the upper threshold of the input value of temperature transmitter to be verified；
(2) by set measured value by k1To knExport one by one to the standard signal source and produce correspondence test signal,
Again by knTo k1Export one by one to the standard signal source and produce correspondence test signal, complete a measurement period；
(3) temperature transmitter to be verified receives the test signal of standard signal source generation, and exports real output value
ISurvey 1、ISurvey 2...ISurvey nOr VSurvey 1、VSurvey 2...VSurvey n；
(4) the intelligent checking terminal, which is calculated, obtainsOr
(5) repeat step (2) to (4), complete at least three measurement periods；
(6) by the △ obtained by calculatingIOr △VValue and maximum allowable error deltamIt is compared, such as △IOr △VIt is no more than
Maximum allowable error deltam, then judge that temperature transmitter measurement error verification to be verified is qualified, conversely, then judging the temperature to be verified
Spend the verification of transmitter measurement error unqualified.
As a preferred embodiment, temperature transmitter to be tested has class of accuracy a, the maximum allowable error deltam=
±aFs%, wherein, FsFor the range of temperature transmitter.
As a preferred embodiment, the standard signal source needs to produce measuring resistance signal, normal voltage according to test product
Signal or standard current signal, and input to the corresponding input of temperature transmitter to be verified.
As a preferred embodiment, the output end of the intelligent checking terminal is connected to the standard signal by a telecommunication circuit
Source.
As a preferred embodiment, also including data collecting card, the output end of temperature transmitter to be verified passes through number this described
It is connected according to capture card with the input of the intelligent checking terminal.
As a preferred embodiment, the standard signal source has a plurality of output ends, and it can simultaneously be connected to and a plurality of treat school
Test temperature transmitter；The intelligent checking terminal has a plurality of inputs, and can be connected to a plurality of temperature to be verified simultaneously
Transmitter.
As a preferred embodiment, the intelligent checking terminal includes parameter setting module and interpretation of result module, the parameter
Setup module is used to set measured value, and the interpretation of result module calculates measurement error △ for calculatingIOr △V。
As a preferred embodiment, the intelligent checking terminal also includes database module, the database module is used to store
Different model class of accuracy a, range FsAnd check results.
As a preferred embodiment, the intelligent checking terminal also includes human-computer interaction module, the human-computer interaction module includes close
Code logs in submodule and data display sub-module, and the password login submodule is used to differentiate user identity, the data display
Submodule is used to show that the measured value and the interpretation of result module of the parameter setting module to calculate the measurement error obtained.
As a preferred embodiment, the intelligent checking terminal is for computer, singlechip controller or with embedded system
Smart machine.
The beneficial effects of the invention are as follows：
1st, the high efficiency smart for realizing temperature transmitter by intelligent checking terminal is verified.Intelligent checking terminal sends measurement
Value, and transmitted by standard signal source to temperature transmitter to be verified, by calculating more theoretical output valve and real output value,
Measurement error is obtained, and draws the qualification determination to temperature transmitter or unqualified judgement.The automation of checking procedure is realized,
Greatly reduce the input of manpower, and efficiently and accurately.
2nd, with multiple Measurement channels, multigroup temperature transmitter to be verified can be tested simultaneously.Standard signal source can simultaneously by
Standard input signal is sent to a plurality of temperature transmitters to be verified, and returns to the intelligent checking terminal, greatly improves school
Test efficiency.
The present invention is described in further detail below in conjunction with drawings and Examples；But a kind of temperature transmitter of the present invention
Measurement error intelligent checking analysis method is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is the system architecture diagram of the present invention.
Embodiment
Embodiment：
Referring to shown in Fig. 1 to Fig. 2, a kind of temperature transmitter measurement error intelligent checking analysis method of the invention, including
Standard signal source 2 and intelligent checking terminal 1, the output end of intelligent checking terminal 1 and the input phase of the standard signal source 2
Connection, the output end of the standard signal source 2 is connected with the input of temperature transmitter 3 to be verified, temperature pick-up to be verified
The output end of device 3 is connected with the input of the intelligent checking terminal 1；And carry out check analysis by following steps：
(1) one group of measured value k is set by intelligent checking terminal 11、k2...kn, and obtain theoretical output valve by calculating
IReal 1、IReal 2...IReal nOr VReal 1、VReal 2...VReal n, and the measured value meets m≤k1<k2<...<kn≤ M, n >=5；Wherein, m is to treat school
The bottom threshold of the input value of temperature transmitter 3 is tested, M is the upper threshold of the input value of temperature transmitter 3 to be verified；
(2) by set measured value by k1To knExport one by one to the standard signal source 2 and produce correspondence test letter
Number, then by knTo k1Export one by one to the standard signal source 2 and produce correspondence test signal, complete a measurement period；
(3) temperature transmitter to be verified 3 receives the test signal of the generation of standard signal source 2, and exports reality output
Value ISurvey 1、ISurvey 2...ISurvey nOr VSurvey 1、VSurvey 2...VSurvey n；
(4) the intelligent checking terminal 1, which is calculated, obtainsOr
(5) repeat step (2) to (4), complete at least three measurement periods；
(6) by the △ obtained by calculatingIOr △VValue and maximum allowable error deltamIt is compared, such as △IOr △VIt is no more than
Maximum allowable error deltam, then judge that temperature transmitter 3 to be verified is qualified, conversely, then judging the temperature transmitter 3 to be verified not
It is qualified.
Temperature transmitter 3 to be tested has class of accuracy a, the maximum allowable error deltam=± aFs%, wherein,
FsFor the range of temperature transmitter 3.
The standard signal source 2 is sequentially generated measuring resistance signal, standard voltage signal or standard according to the measured value
Current signal, and input to the corresponding input of temperature transmitter 3 to be verified.
The output end of the intelligent checking terminal 1 is connected to the standard signal source 2 by a telecommunication circuit 6.
Also include data collecting card 4, the output end of temperature transmitter 3 to be verified by data collecting card this described 4 with
The input of the intelligent checking terminal 1 is connected.Pass through signal condition between the temperature transmitter 3 and data collecting card 4
Circuit 5 is connected.
The standard signal source 2 has a plurality of output ends, and can be connected to a plurality of temperature transmitters to be verified simultaneously
3；The intelligent checking terminal 1 has a plurality of inputs, and can be connected to a plurality of temperature transmitters to be verified 3 simultaneously.
The intelligent checking terminal 1 includes parameter setting module 12 and interpretation of result module 13, the parameter setting module
12 are used to set measured value, and the interpretation of result module 13 calculates measurement error △ for calculatingIAnd △V.What analysis was obtained
As a result printed out by report print module 14.
The intelligent checking terminal 1 also includes database module 15, and the database module 15 is used to store different model
Class of accuracy a, range FsAnd check results.
The intelligent checking terminal 1 also includes human-computer interaction module 11, and the human-computer interaction module 11 includes password login
Module and data display sub-module, the password login submodule are used to differentiate user identity, and the data display submodule is used
The measurement error obtained is calculated in the measured value and the interpretation of result module for showing the parameter setting module.
Above-described embodiment is only used for further illustrating a kind of temperature transmitter measurement error intelligent checking analysis of the present invention
Method, but the invention is not limited in embodiment, it is any that every technical spirit according to the present invention is made to above example
Simple modification, equivalent variations and modification, each fall within the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of temperature transmitter measurement error intelligent checking analysis method, it is characterised in that including standard signal source and intelligence
Terminal is verified, the intelligent checking terminal output end is connected with the input of the standard signal source, the standard signal source
Output end be connected with the input of temperature transmitter to be verified, the output end of temperature transmitter to be verified and the intelligent school
The input for testing terminal is connected；And carry out check analysis by following steps：
(1) one group of measured value k is set by intelligent checking terminal1、k2...kn, and obtain theoretical output valve I by calculatingReal 1、
IReal 2...IReal nOr VReal 1、VReal 2...VReal n, and the measured value meets m≤k1<k2<...<kn≤ M, n >=5；Wherein, m is temperature to be verified
The bottom threshold of the input value of transmitter is spent, M is the upper threshold of the input value of temperature transmitter to be verified；
(2) by set measured value by k1To knExport one by one to the standard signal source and produce correspondence test signal, then by
knTo k1Export one by one to the standard signal source and produce correspondence test signal, complete a measurement period；
(3) temperature transmitter to be verified receives the test signal of standard signal source generation, and exports real output value ISurvey 1、
ISurvey 2...ISurvey nOr VSurvey 1、VSurvey 2...VSurvey n；
(4) the intelligent checking terminal, which is calculated, obtainsOr
(5) repeat step (2) to (4), complete at least three measurement periods；
(6) by the △ obtained by calculatingIOr △VValue and maximum allowable error deltamIt is compared, such as △IOr △VRespectively less than maximum is permitted
Use error deltam, then judge that temperature transmitter measurement error verification to be verified is qualified, conversely, then judging the temperature pick-up to be verified
The verification of device measurement error is unqualified.
2. a kind of temperature transmitter measurement error intelligent checking analysis method according to claim 1, it is characterised in that：Treat
The temperature transmitter of test has class of accuracy a, the maximum allowable error deltam=± aFs%, wherein, FsFor temperature pick-up
The range of device.
3. a kind of temperature transmitter measurement error intelligent checking analysis method according to claim 1, it is characterised in that：Institute
State standard signal source needs to produce measuring resistance signal, standard voltage signal or standard current signal according to test product, and defeated
Enter to the corresponding input of temperature transmitter to be verified.
4. a kind of temperature transmitter measurement error intelligent checking analysis method according to claim 1, it is characterised in that：Institute
The output end for stating intelligent checking terminal is connected to the standard signal source by a telecommunication circuit.
5. a kind of temperature transmitter measurement error intelligent checking analysis system according to claim 1, it is characterised in that：Also
Including data collecting card, the output end of temperature transmitter to be verified is whole by data collecting card this described and the intelligent checking
The input at end is connected.
6. a kind of temperature transmitter measurement error intelligent checking analysis system according to claim 1, it is characterised in that：Institute
Stating standard signal source has a plurality of output ends, and can be connected to a plurality of temperature transmitters to be verified simultaneously；The intelligent school
Testing terminal has a plurality of inputs, and can be connected to a plurality of temperature transmitters to be verified simultaneously.
7. a kind of temperature transmitter measurement error intelligent checking analysis system according to claim 1, it is characterised in that：Institute
Stating intelligent checking terminal includes parameter setting module and interpretation of result module, and the parameter setting module is used to set measured value,
The interpretation of result module calculates measurement error △ for calculatingIOr △V。
8. a kind of temperature transmitter measurement error intelligent checking analysis method according to claim 7, it is characterised in that：Institute
Stating intelligent checking terminal also includes database module, and the database module is used to store different model class of accuracy a, range
FsAnd check results.
9. a kind of temperature transmitter measurement error intelligent checking analysis method according to claim 7, it is characterised in that：Institute
Stating intelligent checking terminal also includes human-computer interaction module, and the human-computer interaction module includes password login submodule and data display
Module, the password login submodule is used to differentiate user identity, and the data display submodule is used to show that the parameter is set
The measured value and the interpretation of result module for putting module calculate the measurement error obtained.
10. a kind of temperature transmitter measurement error intelligent checking analysis method according to claim 1, it is characterised in that：
The intelligent checking terminal is computer, singlechip controller or the smart machine with embedded system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281319.XA CN107063508A (en) | 2017-04-26 | 2017-04-26 | A kind of temperature transmitter measurement error intelligent checking analysis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281319.XA CN107063508A (en) | 2017-04-26 | 2017-04-26 | A kind of temperature transmitter measurement error intelligent checking analysis method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107063508A true CN107063508A (en) | 2017-08-18 |
Family
ID=59604422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710281319.XA Pending CN107063508A (en) | 2017-04-26 | 2017-04-26 | A kind of temperature transmitter measurement error intelligent checking analysis method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107063508A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655591A (en) * | 2017-09-25 | 2018-02-02 | 南京航伽电子科技有限公司 | Temperature transmitter method of testing |
| CN115326241A (en) * | 2022-08-16 | 2022-11-11 | 安徽金大仪器有限公司 | Automatic calibration system and method for temperature transmitter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150003490A1 (en) * | 2013-06-28 | 2015-01-01 | Texas Instruments Incorporated | Resistance and Offset Cancellation in a Remote-Junction Temperature Sensor |
| CN204903498U (en) * | 2015-08-11 | 2015-12-23 | 广东电网有限责任公司电力科学研究院 | Hand -held type sulfur hexafluoride humidity measuring instrument's multichannel calibrating device |
| CN105723463A (en) * | 2013-11-13 | 2016-06-29 | 弗兰克公司 | Profiles for streamlining calibration test |
-
2017
- 2017-04-26 CN CN201710281319.XA patent/CN107063508A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150003490A1 (en) * | 2013-06-28 | 2015-01-01 | Texas Instruments Incorporated | Resistance and Offset Cancellation in a Remote-Junction Temperature Sensor |
| CN105723463A (en) * | 2013-11-13 | 2016-06-29 | 弗兰克公司 | Profiles for streamlining calibration test |
| CN204903498U (en) * | 2015-08-11 | 2015-12-23 | 广东电网有限责任公司电力科学研究院 | Hand -held type sulfur hexafluoride humidity measuring instrument's multichannel calibrating device |
Non-Patent Citations (3)
| Title |
|---|
| 上海市计量测试技术研究院、天津市计量监督检测科学研究院: "《JJF 1183-2007 温度变送器校准规范》", 21 November 2007 * |
| 广东电网公司佛山供电局 组编: "《现场标准化作业指导书 试验与计量》", 31 December 2008 * |
| 田昀 等: "一体化温度变送器自动校准***研制", 《中国测试》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655591A (en) * | 2017-09-25 | 2018-02-02 | 南京航伽电子科技有限公司 | Temperature transmitter method of testing |
| CN115326241A (en) * | 2022-08-16 | 2022-11-11 | 安徽金大仪器有限公司 | Automatic calibration system and method for temperature transmitter |
| CN115326241B (en) * | 2022-08-16 | 2024-05-10 | 安徽金大仪器有限公司 | Automatic calibration system and method for temperature transmitter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107063507A (en) | A kind of temperature transmitter measurement error intelligent checking analysis system | |
| CN110378446A (en) | Electric-power safe instruments trial system | |
| CN202929165U (en) | Anti-irradiation detection system of integrated circuit | |
| CN104007348B (en) | Automatization test system and method thereof | |
| CN103019940B (en) | A kind of electric energy meter embedded software half simulation testing device | |
| CN107018523A (en) | WIFI module testing method and device | |
| CN110411580A (en) | A kind of diagnostic method and diagnostic system of equipment heating defect | |
| CN108446197A (en) | A kind of control protection board automatic checkout system and method | |
| CN108983077A (en) | A kind of circuit board testing system and test method based on JTAG link | |
| CN107063508A (en) | A kind of temperature transmitter measurement error intelligent checking analysis method | |
| CN107608291A (en) | A kind of intelligent substation application function linkage rule verification method and system | |
| CN110045317A (en) | A kind of mutual inductor measurement error online test method and system | |
| CN105467355A (en) | Automatic testing method of electric energy meter and automatic testing device of same | |
| CN106969905A (en) | Optoisolator test system | |
| CN114742529B (en) | Laboratory equipment maintenance management system | |
| CN104090256A (en) | Electronic transformer full-automatic debugging system | |
| CN103971554B (en) | Electric power meter fault on-line checking method does simulated exercises and checking system | |
| CN107038941A (en) | A kind of portable electronic Platform of Experimental Teaching | |
| CN201993413U (en) | Residual current test system | |
| CN109725199A (en) | A kind of Harmonic Detecting Device full-automatic test system based on GPIB network | |
| CN117590278A (en) | Transformer fault detection method, device, equipment and medium based on power cabinet | |
| CN207133371U (en) | A kind of Portable wind group of motors component capabilities test device | |
| CN207675923U (en) | LD-K100 type ct calibrating teaching and training systems | |
| CN110308412A (en) | A kind of method and its system of automatically calibrating electrical high capability instrument instrument | |
| CN206757022U (en) | Transmission line of electricity distributed diagnostics device check system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |