CN202720088U - Device which transmits pressure magnitude through Internet under real-time environment - Google Patents

Device which transmits pressure magnitude through Internet under real-time environment Download PDF

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Publication number
CN202720088U
CN202720088U CN 201220245537 CN201220245537U CN202720088U CN 202720088 U CN202720088 U CN 202720088U CN 201220245537 CN201220245537 CN 201220245537 CN 201220245537 U CN201220245537 U CN 201220245537U CN 202720088 U CN202720088 U CN 202720088U
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pressure
data table
standard
transfer standards
pvc
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CN 201220245537
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金承信
高正红
高永卫
惠增宏
焦予秦
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Northwestern Polytechnical University
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Northwestern Polytechnical University
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Abstract

The utility model discloses a device which transmits pressure magnitude through the Internet under a real-time environment. The device comprises a standard pressure source, a standard data table memory, a standard data table output module, an environment parameter module, an Internet server, a transmission standard source, a pressure acquisition system, a pressure acquisition industrial computer and a real-time environment measurement system. The real-time environment measurement system transmits a real-time temperature value T, a real-time atmospheric pressure value P and a real-time humidity value R to an environment data table module through the Internet server, and a standard data table PVC calibration N is made. A PVC standard N is stored in the standard data table memory, and pressure magnitude transmission is carried out through the standard data table output module and the Internet server. According to the device, the standard data table can be generated in a real-time environment, the precision and reliability of the transmission can be ensured, the waste of lots of manpower and material resources is avoided, the cost of calibration is saved, and the device has the advantages of simple method, low cost and high efficiency and has a practical application prospect.

Description

Carry out the device that pressure magnitude is transmitted by the internet under a kind of real time environment
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 by the internet under especially a kind of real time environment.
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 accurately and reliably basis of metering result.By calibrating, the measurement unit value that National primary standard is reappeared is delivered to the work measurement instrument through measurement standard at different levels, to guarantee the accurate with consistent of the measured value of measurand.Transmission of quantity value is by high-class measurement standard going down.Pressure measurement utensil and pressure acquisition equipment more need the transmission of pressure magnitude, because the pressure measurement utensil through assay approval, after using after a while, because the factors such as internal soundness variation of the impact of environment or improper use, imperfect maintenance, parts will cause that the meter characteristic of pressure measurement utensil changes, so need regularly with the measurement standard of regulation grade it to be examined and determine.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 affect the result that pressure transmits, environmental evolution during according to national metrological verification regulations needs record metering process.The method of pressure magnitude transmission is the Transfer Standards 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 the Transfer Standards source pressure survey or pressure acquisition equipment is calibrated or is measured again.All adopt at present this method that the pressure magnitude transmission is carried out in Transfer Standards source and pressure acquisition equipment both at home and abroad.There is every year a large amount of Transfer Standards sources need to carry out the pressure magnitude transmission, needs like this to consume a large amount of human and material resources and funds.At present, both at home and abroad actively seeking the whole bag of tricks and change and reduce the present situation of this wasting of resources.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 by 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 pressure magnitude transmission between standard source and the Transfer Standards source by the internet.2, application number is the Chinese patent " a kind of remote intelligent pressure sensor calibration system " of 201110332582.X, the enough tables of data of energy are by the precision of internet remote intelligent pressure sensor calibration, but can't carry out the pressure magnitude transmission between standard source and the Transfer Standards source, also not consider the impact 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 according to real time environment the pressure magnitude transmission of PVC tables of data internet.
Summary of the invention
Can't carry out according to real time environment the deficiency of the pressure magnitude transmission of PVC tables of data internet in order to overcome prior art, the invention provides under a kind of real time environment and carry out the device that pressure magnitude is transmitted by the internet, can utilize the PVC tables of data by 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, Transfer Standards 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 by 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, make normal data table PVC Calibration NWith PVC Standard NStore in the normal data table storer, and carry out the pressure magnitude transmission by normal data table output module and Internet Server,
The pressure magnitude transmission has dual mode:
1, PVC Standard NTransfer to Transfer Standards source, PVC by Internet Server Standard NIn V Standard NTransfer to the DA converter by one-chip computer, be converted to DC voltage, control pneumatic flowrate controller drives peristaltic pump, outputs to standard transducer gas circuit input end, and standard transducer obtains N atmospheric pressure value P Transfer Standards source N, simultaneously to N magnitude of voltage V should be arranged Pass Pass standard source NWith N coefficient value C Transfer Standards source N, P Transfer Standards source N=V Transfer Standards source N* C Transfer Standards source N, respective production becomes Transfer Standards source data table PVC one by one Transfer Standards source N, transfer to one-chip computer, PVC Transfer Standards source NTransfer to pressure acquisition industrial computer, PVC by LAN (Local Area Network) Standard NAlso transfer to the pressure acquisition industrial computer by LAN (Local Area Network), in the pressure acquisition industrial computer, use PVC Standard NData are to PVC Transfer Standards source NData are carried out precision verification, obtain accuracy class and the error in Transfer Standards source.
2, pressure acquisition system is comprised 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, the air pressure output P in Transfer Standards source Transfer Standards source NBy the L road pressure transducer of gas circuit to pressure acquisition system, pressure transducer obtains N air pressure P Calibrating sensors N, one to one N V arranged simultaneously Calibrating sensors NWith N C Calibrating sensors coefficient NData are made L pressure sensor data table PVC Calibrating sensors NTo pressure acquisition industrial computer, PVC Transfer Standards source NTo the pressure acquisition industrial computer, use PVC by LAN (Local Area Network) Transfer Standards source NRespectively to the PVC of L road pressure transducer Calibrating sensors NData are carried out precision verification, obtain accuracy class and the error of pressure acquisition system L road pressure transducer.Described L is the random natural number greater than 16, and N is the random 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 in real time temperature value T, atmospheric pressure value P and the humidity value R of Transfer Standards source and pressure acquisition system environment of living in, transfer to respectively to environmental data table module, obtain environmental data table T-P-R Real time environment
Described Transfer Standards 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 by one-chip computer, be converted to DC voltage, control pneumatic flowrate controller drives peristaltic pump, and output pressure is to standard transducer gas circuit input end, and standard transducer obtains N air pressure P Transfer Standards source NData have one to one N voltage V simultaneously Transfer Standards source NWith N coefficient C Transfer Standards source NData are made Transfer Standards source data table PVC Transfer Standards source N, PVC Transfer Standards source NTransfer to Internet Server by one-chip computer.
The invention has the beneficial effects as follows: the present invention can be according to the normal data table PVC under real time environment (temperature, atmospheric pressure, humidity) the generation real time environment Standard N, carry out pressure magnitude transmission between standard pressure generator and the Transfer Standards source and the pressure magnitude transmission between Transfer Standards 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 a large amount of human and material resources wastes, have been saved 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 LAN (Local Area Network), and dotted line is gas circuit);
Fig. 2 is real time environment measuring system synoptic diagram;
Fig. 3 is Transfer Standards source synoptic diagram (wherein thick line is LAN (Local Area Network), and dotted line is 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 respectively environmental data table module, 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 by 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 by normal data table output module to Internet Server.1, normal data table PVC Standard NBy the internet Transfer Standards source is examined and determine and to obtain Transfer Standards source accuracy class and error.2, the pressure magnitude transmission of Transfer Standards 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, Transfer Standards 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 NN atmospheric pressure value of standard pressure generator output, V Mark Accurate source NN magnitude of voltage of standard pressure generator output, C Typical coefficient NN 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, make normal data table PVC Calibration N, the real time environment measuring system is passed to respectively environmental data table module 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 by internet to the environmental parameter module of 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 by normal data table output module, Internet Server, internet, the pressure magnitude transmission has dual mode: 1, normal data table PVC Standard NBy the internet Transfer Standards pressure source is carried out the pressure magnitude transmission, with normal data table PVC Standard NData communication device is crossed Internet Server, internet to the Transfer Standards source, normal data table PVC Standard NIn V Standard NGroup output voltage data are converted to the output dc voltage value by one-chip computer to DA converter, drive peristaltic pump to the pneumatic flowrate controller again and output to standard transducer gas circuit input end, and standard transducer obtains air pressure P Transfer Standards source NData have one to one V simultaneously Transfer Standards source NAnd C Transfer Standards source NData are made Transfer Standards source data table PVC Transfer Standards source N, Transfer Standards source data table PVC Transfer Standards source NP is arranged Transfer Standards source N, V Transfer Standards source N, C Transfer Standards source coefficient NThree groups of tables of data meet P Transfer Standards source N=V Transfer Standards source N* C Transfer Standards source coefficient N, P wherein Transfer Standards source NN atmospheric pressure value of tables of data output, V Transfer Standards source NN magnitude of voltage of tables of data output, C Transfer Standards source coefficient NN coefficient value of tables of data output, Transfer Standards source data table PVC Transfer Standards source NTo one-chip computer by LAN (Local Area Network) to the pressure acquisition industrial computer, normal data table PVC Standard NBy LAN (Local Area Network) to the pressure acquisition industrial computer, in the pressure acquisition industrial computer, according to the vertification regulation in the metering Transfer Standards source of national regulation with normal data table PVC Standard NData mutual transmission is passed standard source tables of data PVC Transfer Standards source NData are carried out precision verification, obtain accuracy class and the error in Transfer Standards source; 2, the pressure magnitude transmission of Transfer Standards source and pressure acquisition system: pressure acquisition system is comprised 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 NPressure transducer N input air pressure data, V Sensor NN the voltage datas in pressure transducer two ends, C Sensor coefficient NPressure transducer N pressure coefficient data, the air pressure output P in Transfer Standards source Transfer Standards source NBy gas circuit to 1 of 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 one to one N V simultaneously Calibrating sensors NWith N C Calibrating sensors coefficient NData make 1 ... L road L pressure sensor data table PVC Calibrating sensors NTo the pressure acquisition industrial computer, Transfer Standards source data table PVC Transfer Standards source NBy LAN (Local Area Network) to the pressure acquisition industrial computer, according to the manometric measurement verification regulations of national digital tables of data PVC Transfer Standards source NData are respectively to L road pressure sensor data table PVC Calibrating sensors NData are carried out precision verification and are obtained respectively pressure acquisition system L road pressure sensor data accuracy class and error.(L is the random natural number greater than 16, and N is the random natural number greater than 2).
Described real time environment measuring system comprises temperature sensor, barometric pressure sensor, humidity sensor, environmental data table module.Temperature value T, the atmospheric pressure value P of in real time measurement transmission side's (Transfer Standards source, pressure acquisition system) environment, humidity value R value obtain environmental data table T-P-R respectively to environmental data table module Real time environmentBe passed to the standard source side by the internet to Internet Server.
Described Transfer Standards 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 are converted to the output dc voltage value by one-chip computer to DA converter, drive the peristaltic pump output pressure to standard transducer gas circuit input end to the pneumatic flowrate controller, and standard transducer obtains air pressure P Transfer Standards source NData have one to one V simultaneously Transfer Standards source NAnd C Transfer Standards source coefficient NData, and make Transfer Standards source data table PVC Transfer Standards source N, Transfer Standards source data table PVC Transfer Standards source NP is arranged Transfer Standards Source N, V Transfer Standards source N, C Transfer Standards source coefficient NThree groups of tables of data, and meet P Transfer Standards source N=V Transfer Standards source N* C Transfer Standards source coefficient N, P wherein Transfer Standards source NN atmospheric pressure value of tables of data output, V Transfer Standards source NN magnitude of voltage of tables of data output, C Transfer Standards source coefficient NN coefficient value of tables of data output, Transfer Standards source data table PVC Transfer Standards source NBy one-chip computer to Internet Server.
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is 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.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 by model 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 by model.1, normal data table PVC Standard NBy the internet pressure magnitude transmission is carried out in the Transfer Standards source: with normal data table PVC Standard NData communication device is crossed the internet to the Transfer Standards 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 is converted to the output dc voltage value by model, again to model be the pneumatic flowrate controller of BAO-DE-8626 to drive model be that the peristaltic pump of ISM834 is input to standard transducer gas circuit input end, standard transducer obtains air pressure P Transfer Standards source NData have one to one V simultaneously Transfer Standards source NAnd C Transfer Standards source coefficient NData, and make Transfer Standards source data table PVC Transfer Standards source NThe pressure acquisition industrial computer of IPC610 by LAN (Local Area Network) to model.Normal data table PVC Standard NBy LAN (Local Area Network) to the 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 instrument tables of data PVC Pressure testing and controlling instrument NData are examined and determine, and obtain pressure testing and controlling instrument accuracy class and error.2, the pressure magnitude transmission of Transfer Standards source and pressure acquisition system: model is that the pressure acquisition system of PSI9816 is comprised of No. 512 pressure transducers, the air pressure output P of pressure testing and controlling instrument Transfer Standards source NExport 1 of pressure acquisition system to by 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 one to one 10 V simultaneously Calibrating sensors NWith 10 C Calibrating sensors coefficient NData make 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 instrument is with 512 tunnel tables of data PVC Pressure testing and controlling instrument NData communication device is crossed LAN (Local Area Network) to the pressure acquisition industrial computer, according to the manometric measurement verification regulations of national digital, with Transfer Standards source data table PVC Pressure testing and controlling instrument NData are respectively to 512 pressure sensor data table PVC Calibrating sensors NData are carried out precision verification, obtain respectively pressure acquisition system 512 tunnel pressure sensor data accuracy class and errors.
Fig. 2 is 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% by Internet Server to the internet.
Described Transfer Standards 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 are converted to the output dc voltage value by one-chip computer to DA converter, drive peristaltic pump to the pneumatic flowrate controller and are input to standard transducer gas circuit input end, and standard transducer obtains air pressure P Transfer Standards source 10Data have one to one V simultaneously Transmit Standard source 10And C Transfer Standards source coefficient 10Data are made Transfer Standards source data table PVC Transfer Standards source 10Transfer Standards source data table PVC Transfer Standards source 10P is arranged Transfer Standards source 10, V Transfer Standards source 10, C Transfer Standards source coefficient 10Three groups of tables of data meet P Transfer Standards source 10=V Transfer Standards source 10* C Transfer Standards source coefficient 10, P wherein Transfer Standards source 1010 atmospheric pressure values of tables of data output, V Transfer Standards source N10 magnitudes of voltage of tables of data output, C Transfer Standards source N10 coefficient values of tables of data output, Transfer Standards source data table PVC Transfer Standards source 10By 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 by the internet pressure magnitude transmission is carried out in the Transfer Standards source.
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 saved.
4) method is simple, with low cost, efficient is higher, and larger economic benefit and social benefit are arranged.
The course of work: the real time environment measuring system is passed to respectively environmental data table module 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 by the environmental parameter module of Internet Server to internet transmission to the normal pressure 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.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 by normal data table output module, the pressure magnitude transmission has dual mode: 1, normal data table PVC Standard NBy the internet Transfer Standards pressure source is carried out the pressure magnitude transmission, with normal data table PVC Standard NData communication device is crossed the internet to the Transfer Standards source, normal data table PVC Standard NIn V Standard NGroup output voltage data are converted to the output dc voltage value by one-chip computer to DA converter, drive peristaltic pump to the pneumatic flowrate controller and are input to standard transducer gas circuit input end, and standard transducer obtains air pressure P Transfer Standards source NData have one to one V simultaneously Transfer Standards source NAnd C Transfer Standards source coefficient NData are made Transfer Standards source data table PVC Transfer Standards source NTo one-chip computer by LAN (Local Area Network) to the pressure acquisition industrial computer.Normal data table PVC Standard NBy LAN (Local Area Network) to the pressure acquisition industrial computer.In the pressure acquisition industrial computer according to the vertification regulation in the metering Transfer Standards source of national regulation, with normal data table PVC Standard NData mutual transmission is passed standard source tables of data PVC Transfer Standards source NData are carried out precision verification, obtain accuracy class and the error in Transfer Standards source; 2, the pressure magnitude transmission of Transfer Standards source and pressure acquisition system: the air pressure output P in Transfer Standards source Transfer Standards source NBy gas circuit to 1 of 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 one to one N V simultaneously Calibrating sensors NWith N C Calibrating sensors system Number NData make 1 ... L road L pressure sensor data table PVC Calibrating sensors N, to the pressure acquisition industrial computer.Transfer Standards source data table PVC Transfer Standards source NBy LAN (Local Area Network) to the pressure acquisition industrial computer.According to the manometric measurement verification regulations of national digital, with Transfer Standards source data table PVC Transfer Standards source NData are respectively to L pressure sensor data table PVC Calibration Sensor NCarry out precision verification, obtain respectively pressure acquisition system L road pressure sensor data accuracy class and error.

Claims (3)

1. carry out the device that pressure magnitude is transmitted by 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, Transfer Standards 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 by Internet Server.
2. carry out the device that pressure magnitude is transmitted by 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 in real time temperature value T, atmospheric pressure value P and the humidity value R of Transfer Standards source and pressure acquisition system environment of living in, transfer to respectively to environmental data table module, obtain environmental data table T-P-R Real time environment
3. carry out the device that pressure magnitude is transmitted by the internet under the real time environment according to claim 1, it is characterized in that: described Transfer Standards source comprises one-chip computer, DA converter, pneumatic flowrate controller, peristaltic pump and standard transducer.
CN 201220245537 2012-05-29 2012-05-29 Device which transmits pressure magnitude through Internet under real-time environment Expired - Fee Related CN202720088U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111947701A (en) * 2019-05-17 2020-11-17 向友刚 Measuring device
WO2020233519A1 (en) * 2019-05-17 2020-11-26 Xiang Yougang Measuring instrument and remote volume value transmission/quantity value traceability method
CN112577540A (en) * 2019-09-27 2021-03-30 广州中测检测技术有限公司 Method for remote quantity transmission/tracing by using measuring instrument
CN112577542A (en) * 2019-09-27 2021-03-30 广州中测检测技术有限公司 Measuring instrument and remote quantity transmission/tracing method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111947701A (en) * 2019-05-17 2020-11-17 向友刚 Measuring device
WO2020233519A1 (en) * 2019-05-17 2020-11-26 Xiang Yougang Measuring instrument and remote volume value transmission/quantity value traceability method
CN111947701B (en) * 2019-05-17 2021-07-20 向友刚 Measuring device
CN112577540A (en) * 2019-09-27 2021-03-30 广州中测检测技术有限公司 Method for remote quantity transmission/tracing by using measuring instrument
CN112577542A (en) * 2019-09-27 2021-03-30 广州中测检测技术有限公司 Measuring instrument and remote quantity transmission/tracing method thereof

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