CN102706511A - Device for transferring pressure quantity value through internet in real-time environment - Google Patents
Device for transferring pressure quantity value through internet in real-time environment Download PDFInfo
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- CN102706511A CN102706511A CN2012101711764A CN201210171176A CN102706511A CN 102706511 A CN102706511 A CN 102706511A CN 2012101711764 A CN2012101711764 A CN 2012101711764A CN 201210171176 A CN201210171176 A CN 201210171176A CN 102706511 A CN102706511 A CN 102706511A
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Abstract
The invention discloses a device for transferring a pressure quantity value through the internet in a real-time environment. A real-time environment measurement system transfers a real-time temperature value, an atmospheric pressure value and a moisture value to an environmental data table module through an internet server to obtain an environmental data table, a standard pressure source is generated into a standard data table in the environmental data table, and the standard data table is stored into a standard data table storage and carries out pressure quantity value transfer with the internet server through a standard data table output module. The device can generate the standard data table in the real-time environment, the precision and the reliability of transfer can be ensured, a large number of manpower and material waste is avoided, and the calibration cost is saved. The device has the advantages of simple method, low cost, higher efficiency and practical application prospect.
Description
Technical field
The present invention relates to pressure magnitude transmission and remote measurement and control technology field, utilize the PVC tables of data to carry out the device that pressure magnitude is transmitted under especially a kind of real time environment through the internet.
Background technology
Any measurement instrument for various reasons, all has error in various degree.Transmission of quantity value is unified measurement instrument value and the important means that reduces error, is to guarantee metering result basis accurately and reliably.Through calibrating, the measurement unit value that national benchmark reappeared is used measurement instrument through the measurement standard work of being delivered at different levels, to guarantee the accurate and consistent of the measured value of measurand.Transmission of quantity value is transmitted downwards by high-class measurement standard.Pressure measurement utensil and pressure acquisition equipment more need the transmission of pressure magnitude; Because pressure measurement utensil through assay approval; After using after a while; Because the factors such as internal soundness variation of the influence of environment or improper use, imperfect maintenance, parts will cause that the meter characteristic of pressure measurement utensil changes, so need regularly it to be examined and determine with the measurement standard of regulation grade.The process of implementing transmission of quantity value is very strict to the requirement of environment (temperature value, atmospheric pressure value, humidity value); The variation of any environmental parameter all can influence the result that pressure transmits, the variation of environment during according to national metrological verification regulations needs record metering process.The method of pressure magnitude transmission is the transmission standard source to be sent to the metrological service in high one-level (country, provinces and cities, area); The pressure criteria that uses country to generally acknowledge is calibrated or is measured, and with transmitting standard source pressure survey or pressure acquisition equipment is calibrated or is measured again.All adopt this method to carry out the pressure magnitude transmission at present both at home and abroad to transmitting standard source and pressure acquisition equipment.There is every year a large amount of transmission standard sources need carry out the pressure magnitude transmission, needs to consume great amount of manpower and material resources and funds like this.At present, both at home and abroad change and reduce the present situation of this wasting of resources actively seeking the whole bag of tricks.For example: 1, application number is 200810220161.6 Chinese patent " a kind of remote calibration method and system thereof "; A kind of correcting mechanism that makes things convenient for is provided; A large amount of instrument and equipments are carried out remote monitoring; Must connect through DB9 cross cable or GPIB cable between the method calibration source, instrument to be calibrated and the remote calibration main frame, can not carry out standard source and transmit the pressure magnitude transmission between the standard source through the internet.2, application number is the Chinese patent " a kind of remote calibration intelligent pressure sensor system " of 201110332582.X; The enough tables of data of ability are through the precision of internet remote calibration intelligent pressure sensor; But can't carry out standard source and transmit the pressure magnitude transmission between the standard source, also not consider the influence of the variation of real time environment.3, application number is 201020189756.2 Chinese patent " a kind of device of converting pressure calibration data into data tables "; P-V-C tables of data under several standard environment parameters is provided; But can not carry out internet remote calibration press device, more can't carry out the pressure magnitude transmission of PVC tables of data internet according to real time environment.
Summary of the invention
Can't carry out the deficiency of the pressure magnitude transmission of PVC tables of data internet according to real time environment in order to overcome prior art; The present invention provides under a kind of real time environment and carries out the device that pressure magnitude is transmitted through the internet; Can utilize the PVC tables of data through internet remote calibration press device, and carry out the pressure magnitude transmission according to real time environment.
The technical solution adopted for the present invention to solve the technical problems is: comprise standard pressure generator, normal data table storer, normal data table output module, environmental parameter module, Internet Server, transmission standard source, pressure acquisition system, pressure acquisition industrial computer and real time environment measuring system.
The real time environment measuring system is passed to environmental data table module with real-time temperature value T, atmospheric pressure value P and humidity value R through Internet Server, obtains environmental data table T-P-R
Real time environment, standard pressure generator generates T-P-R
Real time environmentUnder normal data table PVC
Standard N, N stable air pressure P of standard pressure generator output
Standard N, simultaneously to N magnitude of voltage V should be arranged
Standard NWith N calibration factor value C
Standard N, P
Standard N=V
Standard N* C
Standard N, with P
Standard N, V
Standard N, C
Standard NCorresponding one by one, process normal data table PVC
Calibration NWith PV
C standard NStore in the normal data table storer, and carry out the pressure magnitude transmission through normal data table output module and Internet Server,
The pressure magnitude transmission has dual mode:
1, PVC
Standard NTransfer to transmission standard source, PVC through Internet Server
Standard NIn V
Standard NTransfer to the DA converter through one-chip computer, convert DC voltage into, control pneumatic flowrate controller drives peristaltic pump outputs to standard transducer gas circuit input end, and standard transducer obtains N atmospheric pressure value P
Transmit standard source N, simultaneously to N magnitude of voltage V should be arranged
Pass Pass standard source NWith N coefficient value C
Transmit standard source N, P
Transmit standard source N=V
Transmit standard source N* C
Transmit standard source N, respective production becomes to transmit standard source tables of data PVC one by one
Transmit standard source N, transfer to one-chip computer, PVC
Transmit standard source NTransfer to pressure acquisition industrial computer, PVC through LAN
Standard NAlso transfer to the pressure acquisition industrial computer, in the pressure acquisition industrial computer, use PVC through LAN
Standard NData are to PVC
Transmit standard source NData are carried out precision verification, obtain transmitting the accuracy class and the error of standard source.
2, pressure acquisition system is made up of L road pressure transducer, storage pressure sensor data table PVC in the pressure transducer of every road
Sensor N, each PVC
Sensor NComprise N input air pressure P
Sensor N, a N voltage V
Sensor N, a N pressure coefficient C
Sensor N, P
Sensor N=V
Sensor N* C
Sensor N, transmit the air pressure of standard source and export P
Transmit standard source NThrough the L road pressure transducer of gas circuit to pressure acquisition system, pressure transducer obtains N air pressure P
Calibrating sensors N, N V one to one arranged simultaneously
Calibrating sensors NWith N C
Calibrating sensors coefficient NData are processed L pressure sensor data table PVC
Calibrating sensors NTo pressure acquisition industrial computer, PVC
Transmit standard source NThrough LAN to pressure acquisition industrial computer, use PVC
Transmit standard source NRespectively to the PVC of L road pressure transducer
Calibrating sensors NData are carried out precision verification, obtain the accuracy class and the error of pressure acquisition system L road pressure transducer.Described L is any natural number greater than 16, and N is any natural number greater than 2.
Described real time environment measuring system comprises temperature sensor, barometric pressure sensor, humidity sensor and environmental data table module.Measure temperature value T, atmospheric pressure value P and the humidity value R that transmits standard source and pressure acquisition system environment of living in real time, transfer to respectively, obtain environmental data table T-P-R to environmental data table module
Real time environment
Described transmission standard source comprises one-chip computer, DA converter, pneumatic flowrate controller, peristaltic pump and standard transducer.PVC
Standard NIn V
Standard NTransfer to the DA converter through one-chip computer, convert DC voltage into, control pneumatic flowrate controller drives peristaltic pump, output pressure is to standard transducer gas circuit input end, and standard transducer obtains N air pressure P
Transmit standard source NData have N voltage V one to one simultaneously
Transmit standard source NWith N coefficient C
Transmit standard source NData are processed and are transmitted standard source tables of data PVC
Transmit standard source N, PVC
Transmit standard source NTransfer to Internet Server through one-chip computer.
The invention has the beneficial effects as follows: the present invention can generate the normal data table PVC under the real time environment according to real time environment (temperature, atmospheric pressure, humidity)
Standard N, carry out the pressure magnitude transmission between standard pressure generator and the transmission standard source and transmit the pressure magnitude transmission between standard source and the pressure acquisition system.Normal data table PVC
Standard NThe precision of the transmission that the pressure magnitude transmission can guarantee and reliability have been saved the great amount of manpower and material resources waste, have been practiced thrift the cost of calibration, and method is simple, and is with low cost, and efficient is higher, and actual application prospect is arranged.
Description of drawings
Fig. 1 is device synoptic diagram of the present invention (wherein thick line is a LAN, and dotted line is a gas circuit);
Fig. 2 is a real time environment measuring system synoptic diagram;
Fig. 3 transmits standard source synoptic diagram (wherein thick line is a LAN, and dotted line is a gas circuit).
Embodiment
The present invention adopts the real time environment measuring system that real-time temperature value T, atmospheric pressure value P, humidity value R value are passed to environmental data table module respectively, obtains real time environment tables of data T-P-R
Real time environment, inquire about T-P-R after inquiry to the environmental parameter module of standard source side through Internet Server and internet transmission
Real time environmentIf the standard environment parameter can directly be extracted the normal data table PVC under the standard environment parameter from PVC data table stores device
Standard NData are if not the standard environment parameter is created on real-time T-P-R by standard pressure generator
Real time environmentNormal data table PVC under the environment
Standard N, with real time environment T-P-R
Real time environmentNormal data table PVC
Standard NStore in the PVC data table stores device, and carry out the pressure magnitude transmission through normal data table output module to Internet Server.1, normal data table PVC
Standard NExamine and determine and obtain transmitting standard source accuracy class and error transmitting standard source through the internet.2, the pressure magnitude transmission of transmission standard source and pressure acquisition system is examined and determine and is obtained pressure acquisition system pressure sensor data accuracy class and error.
The technical solution adopted for the present invention to solve the technical problems is: comprise standard pressure generator, PVC data table stores device, normal data table output module, environmental parameter module, Internet Server, transmission standard source, pressure acquisition system, pressure acquisition industrial computer, real time environment measuring system.
Use the technology among the Chinese granted patent CN201020189756.2 " a kind of device of converting pressure calibration data into data tables " by name, the normal data table PVC under the standard environment parameter that the startup standard pressure generator generates
Standard NWith PVC data table stores device, N stable air pressure P of standard pressure generator output
Standard N, simultaneously to V should be arranged
Standard NAnd C
Typical coefficient NOutput, and meet P
Standard N=V
Standard N* C
Typical coefficient N, wherein, P
Standard NBe N atmospheric pressure value of standard pressure generator output, V
Mark Accurate source NBe N magnitude of voltage of standard pressure generator output, C
Typical coefficient NBe N calibration factor value of high-precision pressure sensor in the standard pressure generator, with P
Standard N, V
Standard N, C
Typical coefficient NThree groups of data are corresponding one by one, process normal data table PVC
Calibration N, the real time environment measuring system is passed to environmental data table module respectively with real time temperature value T, atmospheric pressure value P, humidity value R value, obtains environmental data table T-P-R
Real time environmentTo Internet Server, inquire about T-P-R after inquiry through the environmental parameter module of internet to standard source side
Real time environmentIf the standard environment parameter is directly extracted the normal data table PVC under the standard environment parameter from PVC data table stores device
Standard NData are if not the standard environment parameter starts standard pressure generator and generates (generative process of Chinese granted patent CN201020189756.2 " a kind of device of converting pressure calibration data into data tables " by name) T-P-R under real time environment
Real time environmentNormal data table PVC
Standard N, with real-time T-P-R
Real The time environmentThe normal data table PVC of environment
Standard NStore in the PVC data table stores device, and carry out the pressure magnitude transmission through normal data table output module, Internet Server, internet, the pressure magnitude transmission has dual mode: 1, normal data table PVC
Standard NCarry out the pressure magnitude transmission through the internet to transmitting standard pressure generator, with normal data table PVC
Standard NData through Internet Server, internet to transmitting standard source, normal data table PVC
Standard NIn V
Standard NGroup output voltage data convert the output dc voltage value into through one-chip computer to DA converter, output to standard transducer gas circuit input end to pneumatic flowrate controller drives peristaltic pump again, and standard transducer obtains air pressure P
Transmit standard source NData have V one to one simultaneously
Transmit standard source NAnd C
Transmit standard source NData are processed and are transmitted standard source tables of data PVC
Transmit standard source N, transmit standard source tables of data PVC
Transmit standard source NP is arranged
Transmit standard source N, V
Transmit standard source N, C
Transmit standard source coefficient NThree groups of tables of data meet P
Transmit standard source N=V
Transmit standard source N* C
Transmit standard source coefficient N, P wherein
Transmit standard source NBe N atmospheric pressure value of tables of data output, V
Transmit standard source NBe N magnitude of voltage of tables of data output, C
Transmit standard source coefficient NBe N coefficient value of tables of data output, transmit standard source tables of data PVC
Transmit standard source NTo one-chip computer through LAN to pressure acquisition industrial computer, normal data table PVC
Standard NThrough LAN to pressure acquisition industrial computer, in the pressure acquisition industrial computer, the vertification regulation that transmits standard source according to the metering of national regulation is with normal data table PVC
Standard NData are to transmitting standard source tables of data PVC
Transmit standard source NData are carried out precision verification, obtain transmitting the accuracy class and the error of standard source; 2, transmit the pressure magnitude transmission of standard source and pressure acquisition system: pressure acquisition system is made up of L road pressure transducer, the pressure transducer PVC that storage has input characteristics in the storer of every road pressure transducer
Sensor NTables of data, each PVC
Sensor NTables of data has three groups of P
Sensor N, V
Sensor N, C
Sensor coefficient NThe tables of data data, every group of tables of data has N input data and meets P
Sensor N=V
Sensor N* C
Sensor coefficient N, P wherein
Sensor NBe pressure transducer N input air pressure data, V
Sensor NBe N the voltage datas in pressure transducer two ends, C
Sensor coefficient NBe pressure transducer N pressure coefficient data, transmit the air pressure output P of standard source
Transmit standard source NThrough 1 of gas circuit to pressure acquisition system ... The input end of the parallel gas circuit of L road pressure transducer, pressure transducer obtains N air pressure P
Calibrating sensors NData have N V one to one simultaneously
Calibrating sensors NWith N C
Calibrating sensors coefficient NData process 1 ... L road L pressure sensor data table PVC
Calibrating sensors NTo the pressure acquisition industrial computer, transmit standard source tables of data PVC
Transmit standard source NThrough LAN to pressure acquisition industrial computer, use tables of data PVC according to the manometric measurement verification regulations of national digital
Transmit standard source NData are respectively to L road pressure sensor data table PVC
Calibrating sensors NData are carried out precision verification and are obtained pressure acquisition system L road pressure sensor data accuracy class and error respectively.(L is any natural number greater than 16, and N is any natural number greater than 2).
Described real time environment measuring system comprises temperature sensor, barometric pressure sensor, humidity sensor, environmental data table module.The temperature value T of the transmission side of measurement in real time (transmitting standard source, pressure acquisition system) environment, atmospheric pressure value P, humidity value R value obtain environmental data table T-P-R respectively to environmental data table module
Real time environmentBe passed to standard source side through the internet to Internet Server.
Described transmission standard source comprises one-chip computer, DA converter, pneumatic flowrate controller, peristaltic pump, standard transducer.Normal data table PVC
Standard NIn V
Standard NGroup output voltage data convert the output dc voltage value into through one-chip computer to DA converter, to pneumatic flowrate controller drives peristaltic pump output pressure to standard transducer gas circuit input end, standard transducer obtains air pressure P
Transmit standard source NData have V one to one simultaneously
Transmit standard source NAnd C
Transmit standard source coefficient NData, and process and transmit standard source tables of data PVC
Transmit standard source N, transmit standard source tables of data PVC
Transmit standard source NP is arranged
The transmission standard Source N, V
Transmit standard source N, C
Transmit standard source coefficient NThree groups of tables of data, and meet P
Transmit standard source N=V
Transmit standard source N* C
Transmit standard source coefficient N, P wherein
Transmit standard source NBe N atmospheric pressure value of tables of data output, V
Transmit standard source NBe N magnitude of voltage of tables of data output, C
Transmit standard source coefficient NBe N coefficient value of tables of data output, transmit standard source tables of data PVC
Transmit standard source NThrough one-chip computer to Internet Server.
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a device synoptic diagram of the present invention, gets L=512, N=10.It is the environmental data table module of MSC1210-JCX to model respectively that the real time environment measuring system measures temperature value T=16.5 ℃, atmospheric pressure value P=976.3hPa, humidity value RH value=52% in real time, obtains environmental data table 16.5 ℃-976.3hPa-52%.Be INTEL XEON E3-1230 Internet Server, internet transmission to the model of standard source side to model again be that the environmental parameter module of JCX-23 is inquired about, 16.5 ℃-976.3hPa-52% is not the standard environment parameter after inquiry.By model is that the standard pressure generator of CCM.P-K11 is created on the normal data table PVC under the 16.5 ℃-976.3hPa-52% environment
Standard NWith the normal data table PVC under the 16.5 ℃-976.3hPa-52% environment
Standard NStoring model into is in the PVC data table stores device of MB85RC16, and is that normal data table output module to Internet Server, the internet of MSC1210-JCX carries out the pressure magnitude transmission through model.1, normal data table PVC
Standard NCarry out the pressure magnitude transmission through the internet to transmitting standard source: with normal data table PVC
Standard NData through the internet to transmitting standard source, normal data table PVC
Standard NIn V
Standard NGroup output voltage data are that one-chip computer to the model of HD64F2138VFA10 is that the DA converter of DA9238 converts the output dc voltage value into through model; Be that the pneumatic flowrate controller drives model of BAO-DE-8626 is that the peristaltic pump of ISM834 is input to standard transducer gas circuit input end to model again, standard transducer obtains air pressure P
Transmit standard source NData have V one to one simultaneously
Transmit standard source NAnd C
Transmit standard source coefficient NData, and process and transmit standard source tables of data PVC
Transmit standard source NThrough LAN to model is the pressure acquisition industrial computer of IPC610.Normal data table PVC
Standard NThrough LAN to pressure acquisition industrial computer.In the pressure acquisition industrial computer according to the vertification regulation of the metering pressure measurement and control instrument of national regulation, with normal data table PVC
Standard NData are to pressure testing and controlling appearance tables of data PVC
Pressure testing and controlling appearance NData are examined and determine, and obtain pressure testing and controlling appearance accuracy class and error.2, transmit the pressure magnitude transmission of standard source and pressure acquisition system: model is that the pressure acquisition system of PSI9816 is made up of No. 512 pressure transducers, the air pressure output P of pressure testing and controlling appearance
Transmit standard source NExport 1 of pressure acquisition system to through gas circuit ... The input end of the parallel gas circuit of No. 512 pressure transducers, pressure transducer obtains 10 air pressure P
Calibrating sensors NData have 10 V one to one simultaneously
Calibrating sensors NWith 10 C
Calibrating sensors coefficient NData process 1 ... The tables of data PVC of 512 tunnel 512 pressure transducers
Calibrating sensors NTo the pressure acquisition industrial computer, simultaneously the pressure testing and controlling appearance is with 512 tunnel tables of data PVC
Pressure testing and controlling appearance NData are through LAN to pressure acquisition industrial computer, according to the manometric measurement verification regulations of national digital, with transmitting standard source tables of data PVC
Pressure testing and controlling appearance NData are respectively to 512 pressure sensor data table PVC
Calibrating sensors NData are carried out precision verification, obtain pressure acquisition system 512 tunnel pressure sensor data accuracy class and errors respectively.
Fig. 2 is a real time environment measuring system synoptic diagram, comprises that model is the temperature sensor of PT100, the barometric pressure sensor that model is RPT410, the humidity sensor that model is HMW61Y, the environmental data table module that model is JCX-HJ-6.The real time environment measuring system measure in real time temperature value T=16.5 ℃, atmospheric pressure value P=976.3hPa, humidity value RH value=52% respectively to model be the environmental data table module of MSC1210-JCX obtain environmental data table 16.5 ℃-976.3hPa-52% through Internet Server to the internet.
Described transmission standard source comprises that model is the one-chip computer of HD64F2138VFA10, the DA converter that model is DA9238, the pneumatic flowrate controller that model is BAO-DE-8626, the peristaltic pump that model is ISM834, the standard transducer that model is BZ-YL-JCX.With normal data table PVC
Standard 10In V
Standard 10Group output voltage data convert the output dc voltage value into through one-chip computer to DA converter, are input to standard transducer gas circuit input end to pneumatic flowrate controller drives peristaltic pump, and standard transducer obtains air pressure P
Transmit standard source 10Data have V one to one simultaneously
Transmit Standard source 10And C
Transmit standard source coefficient 10Data are processed and are transmitted standard source tables of data PVC
Transmit standard source 10Transmit standard source tables of data PVC
Transmit standard source 10P is arranged
Transmit standard source 10, V
Transmit standard source 10, C
Transmit standard source coefficient 10Three groups of tables of data meet P
Transmit standard source 10=V
Transmit standard source 10* C
Transmit standard source coefficient 10, P wherein
Transmit standard source 10Be 10 atmospheric pressure values of tables of data output, V
Transmit standard source NBe 10 magnitudes of voltage of tables of data output, C
Transmit standard source NBe 10 coefficient values of tables of data output, transmit standard source tables of data PVC
Transmit standard source 10Through one-chip computer to Internet Server.
The present invention compared with prior art has following significant advantage:
1) generates the PVC tables of data according to the real time environment standard source and carry out the pressure magnitude transmission to transmitting standard source through the internet.
2) the pressure magnitude transmittance process has saved and will be equipped with peripherals such as using nitrogen cylinder, vacuum pump, high-precision pressure controller.
3) the various expenses of standard pressure generator being delivered to high one-level measurement unit metering have been practiced thrift.
4) method is simple, with low cost, efficient is higher, and bigger economic benefit and social benefit are arranged.
The course of work: the real time environment measuring system is passed to environmental data table module respectively with real-time temperature value T, atmospheric pressure value P, humidity value R value, obtains real time environment tables of data T-P-R
Real time environmentInquire about T-P-R after inquiry through the environmental parameter module of Internet Server to internet transmission to standard pressure generator side
Real time environmentIf the standard environment parameter is directly extracted the normal data table PVC under the standard environment parameter from PVC data table stores device
Standard NData.If not the standard environment parameter starts standard pressure generator and generates (generative process of Chinese granted patent CN201020189756.2 " a kind of device of converting pressure calibration data into data tables " by name) at real-time T-P-R
Real time environmentNormal data table PVC under the environment
Standard N, with real-time T-P-R
Real time environmentThe normal data table PVC of environment
Standard NStore in the PVC data table stores device, and carry out the pressure magnitude transmission to the internet through normal data table output module, the pressure magnitude transmission has dual mode: 1, normal data table PVC
Standard NCarry out the pressure magnitude transmission through the internet to transmitting standard pressure generator, with normal data table PVC
Standard NData through the internet to transmitting standard source, normal data table PVC
Standard NIn V
Standard NGroup output voltage data convert the output dc voltage value into through one-chip computer to DA converter, are input to standard transducer gas circuit input end to pneumatic flowrate controller drives peristaltic pump, and standard transducer obtains air pressure P
Transmit standard source NData have V one to one simultaneously
Transmit standard source NAnd C
Transmit standard source coefficient NData are processed and are transmitted standard source tables of data PVC
Transmit standard source NTo one-chip computer through LAN to pressure acquisition industrial computer.Normal data table PVC
Standard NThrough LAN to pressure acquisition industrial computer.In the pressure acquisition industrial computer, transmit the vertification regulation of standard source, with normal data table PVC according to the metering of national regulation
Standard NData are to transmitting standard source tables of data PVC
Transmit standard source NData are carried out precision verification, obtain transmitting the accuracy class and the error of standard source; 2, transmit the pressure magnitude transmission of standard source and pressure acquisition system: the air pressure output P that transmits standard source
Transmit standard source NThrough 1 of gas circuit to pressure acquisition system ... The input end of the parallel gas circuit of L road pressure transducer, pressure transducer obtains N air pressure P
Calibrating sensors NData have N V one to one simultaneously
Calibrating sensors NWith N C
Calibrating sensors system Number NData process 1 ... L road L pressure sensor data table PVC
Calibrating sensors N, to the pressure acquisition industrial computer.Transmit standard source tables of data PVC
Transmit standard source NThrough LAN to pressure acquisition industrial computer.According to the manometric measurement verification regulations of national digital, with transmitting standard source tables of data PVC
Transmit standard source NData are respectively to L pressure sensor data table PVC
Calibration Sensor NCarry out precision verification, obtain pressure acquisition system L road pressure sensor data accuracy class and error respectively.
Claims (5)
1. carry out the device that pressure magnitude is transmitted through the internet under a real time environment; Comprise standard pressure generator, normal data table storer, normal data table output module, environmental parameter module, Internet Server, transmission standard source, pressure acquisition system, pressure acquisition industrial computer and real time environment measuring system; It is characterized in that: the real time environment measuring system is passed to environmental data table module with real-time temperature value T, atmospheric pressure value P and humidity value R through Internet Server, obtains environmental data table T-P-R
Real time environment, standard pressure generator generates T-P-R
Real time environmentUnder normal data table PVC
Standard N, N stable air pressure P of standard pressure generator output
Standard N, simultaneously to N magnitude of voltage V should be arranged
Standard NWith N calibration factor value C
Standard N, P
Standard N=V
Standard N* C
Standard N, with P
Standard N, V
Standard N, C
Standard NCorresponding one by one, process normal data table PVC
Calibration NWith PVC
Standard NStore in the normal data table storer, and carry out the pressure magnitude transmission through normal data table output module and Internet Server.
2. carry out the device that pressure magnitude is transmitted through the internet under the real time environment according to claim 1, it is characterized in that described pressure magnitude transfer mode is: PVC
Standard NTransfer to transmission standard source, PVC through Internet Server
Standard NIn V
Standard NTransfer to the DA converter through one-chip computer, convert DC voltage into, control pneumatic flowrate controller drives peristaltic pump outputs to standard transducer gas circuit input end, and standard transducer obtains N atmospheric pressure value P
Transmit standard source N, simultaneously to N magnitude of voltage V should be arranged
Transmit standard source NWith N coefficient value C
Transmit standard source N, P
Transmit standard source N=V
Transmit standard source N* C
Transmit standard source N, respective production becomes to transmit standard source tables of data PVC one by one
Transmit standard source N, transfer to one-chip computer, PVC
Transmit standard source NTransfer to pressure acquisition industrial computer, PVC through LAN
Standard NAlso transfer to the pressure acquisition industrial computer, in the pressure acquisition industrial computer, use PVC through LAN
Standard NData are to PVC
Transmit standard source NData are carried out precision verification, obtain transmitting the accuracy class and the error of standard source.
3. carry out the device that pressure magnitude is transmitted through the internet under the real time environment according to claim 1; It is characterized in that described pressure magnitude transfer mode is: pressure acquisition system is made up of L road pressure transducer, storage pressure sensor data table PVC in the pressure transducer of every road
Sensor N, each PVC
Sensor NComprise N input air pressure P
Sensor N, a N voltage V
Sensor N, a N pressure coefficient C
Sensor N, P
Sensor N=V
Sensor N* C
Sensor N, transmit the air pressure of standard source and export P
Transmit standard source NThrough the L road pressure transducer of gas circuit to pressure acquisition system, pressure transducer obtains N air pressure P
Calibrating sensors N, N V one to one arranged simultaneously
Calibrating sensors NWith N C
Calibrating sensors coefficient NData are processed L pressure sensor data table PVC
Calibrating sensors NTo pressure acquisition industrial computer, PVC
Transmit standard source NThrough LAN to pressure acquisition industrial computer, use PVC
Transmit standard source NRespectively to the PVC of L road pressure transducer
Calibrating sensors NData are carried out precision verification, obtain the accuracy class and the error of pressure acquisition system L road pressure transducer; Described L is any natural number greater than 16, and N is any natural number greater than 2.
4. carry out the device that pressure magnitude is transmitted through the internet under the real time environment according to claim 1; It is characterized in that: described real time environment measuring system comprises temperature sensor, barometric pressure sensor, humidity sensor and environmental data table module; Measure temperature value T, atmospheric pressure value P and the humidity value R that transmits standard source and pressure acquisition system environment of living in real time; Transfer to respectively to environmental data table module, obtain environmental data table T-P-R
Real time environment
5. carry out the device that pressure magnitude is transmitted through the internet under the real time environment according to claim 1, it is characterized in that: described transmission standard source comprises one-chip computer, DA converter, pneumatic flowrate controller, peristaltic pump and standard transducer, PVC
Standard NIn V
Standard NTransfer to the DA converter through one-chip computer, convert DC voltage into, control pneumatic flowrate controller drives peristaltic pump, output pressure is to standard transducer gas circuit input end, and standard transducer obtains N air pressure P
Transmit standard source NData have N voltage V one to one simultaneously
Transmit standard source NWith N coefficient C
Transmit standard source NData are processed and are transmitted standard source tables of data PVC
Transmit standard source N, PVC
Transmit standard source NTransfer to Internet Server through one-chip computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171176.4A CN102706511B (en) | 2012-05-29 | 2012-05-29 | Device for transferring pressure quantity value through internet in real-time environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171176.4A CN102706511B (en) | 2012-05-29 | 2012-05-29 | Device for transferring pressure quantity value through internet in real-time environment |
Publications (2)
| Publication Number | Publication Date |
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| CN102706511A true CN102706511A (en) | 2012-10-03 |
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| WO2019011353A1 (en) * | 2017-07-14 | 2019-01-17 | 北京康斯特仪表科技股份有限公司 | Pressure calibration apparatus and pressure instrument calibration information processing method |
| CN109253837A (en) * | 2017-07-14 | 2019-01-22 | 北京康斯特仪表科技股份有限公司 | The processing method of pressure calibration device and pressure gauge calibration information |
| CN112924087A (en) * | 2021-01-28 | 2021-06-08 | 国网黑龙江省电力有限公司电力科学研究院 | Automatic detection system of pressure transmitter |
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