CN103712669A - Flow gauge online calibration device - Google Patents

Flow gauge online calibration device Download PDF

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Publication number
CN103712669A
CN103712669A CN201410018873.5A CN201410018873A CN103712669A CN 103712669 A CN103712669 A CN 103712669A CN 201410018873 A CN201410018873 A CN 201410018873A CN 103712669 A CN103712669 A CN 103712669A
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CN
China
Prior art keywords
module
flowmeter
calibration
line calibration
fluid machinery
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
Application number
CN201410018873.5A
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Chinese (zh)
Inventor
李伟
叶勇
任云
申刚
阳初春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Naval Aeronautical Engineering Institute of PLA
Original Assignee
Naval Aeronautical Engineering Institute of PLA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Naval Aeronautical Engineering Institute of PLA filed Critical Naval Aeronautical Engineering Institute of PLA
Priority to CN201410018873.5A priority Critical patent/CN103712669A/en
Publication of CN103712669A publication Critical patent/CN103712669A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a flow gauge online calibration device and belongs to the technical field of calibration device structures. The flow gauge online calibration device comprises a detection module, a collection module and an analysis module, wherein the detection module is used for detecting the state parameter of liquid inside a liquid mechanical output pipeline, the collection module is used for collecting the liquid mechanical output data, the analysis module is used for calculating the flow rate deviation between the detection module and the collection module, and the output end of the analysis module is connected with a display. The flow gauge online calibration device is reasonable in structure design, convenient to operate, capable of realizing online real-time calibration, and high in calibration precision.

Description

A kind of flowmeter on-line calibration device
Technical field
The present invention relates to a kind of flowmeter on-line calibration device, belong to calibrating installation technical field of structures.
Background technology
The fluid machinery that has flow metering requirement, institute's installation flowmeter is answered periodic verification according to national standard, but the mode of dismounting censorship affects equipment, normally use, and the cycle is longer, device, means that urgent need can on-the-spot be carried out on-line calibration.
Summary of the invention
The object of the invention is to solve the weak point that above-mentioned prior art exists, a kind of reasonable in design is provided, easy to operate, can realize online real time calibration, the flowmeter on-line calibration device that calibration accuracy is high.
The present invention is achieved through the following technical solutions:
A kind of flowmeter on-line calibration device, its special character is to comprise detection module for detection of liquid condition parameter in fluid machinery 1 output pipe, for gathering the acquisition module 5 of fluid machinery 1 output data, for calculating the analysis module 6 of detection module and acquisition module 5 flow deviation, the output terminal of analysis module 6 is connected with display 3;
Between described detection module and analysis module 6, be provided with for transmitting the data transmission module 4 of data;
Between described acquisition module 5 and analysis module 6, be provided with data conversion module 7;
Described detection module comprises pressure transducer 8, flow sensor 9, the temperature sensor 10 of being located on fluid machinery output pipe 2;
Described flow sensor 9 comprises the flowmeter being connected with pipeline 2, and flowmeter is connected with for pulse signal being converted to the transmitter of current signal;
Described flowmeter on-line calibration device is installed in casing, and display 3 levels are installed on the upper surface of casing;
On the inwall of described casing, shock attenuation device is installed;
Described acquisition module 5 comprises that acquisition camera is connected with data conversion module 7 by data line for taking the acquisition camera of fluid machinery 1 measurement instrument.
Flowmeter on-line calibration apparatus structure of the present invention is reasonable in design, the fluid flow, pressure and the temperature information that by detection module, gather fluid machinery output are sent to analysis module by data transmission module, simultaneously, acquisition module is flow, pressure and the temperature information of the indication of synchronous acquisition fluid machinery measurement instrument also, then deliver to analysis module and carry out analyzing and processing, computing machine, after carrying out indicating value interpretation, the computing such as flow-compensated, is evaluated the measuring accuracy of flow, provides conclusion; In sum, the present invention can realize online actual flow calibration, can be serially connected in easily in fluid machinery work loop, under the actual operating conditions of fluid machinery, calibrate, calibration accuracy is high, has avoided the dismounting of measuring apparatus, there is non-intrusion type and obtain the ability that is calibrated data, this device is by Image Acquisition and process the continuous data that obtains fluid machinery, does not change any duty of fluid machinery, does not affect the normal work of fluid machinery.
Accompanying drawing explanation
Fig. 1: the structural representation of a kind of flowmeter on-line calibration of the present invention device.
Embodiment
Below with reference to accompanying drawing, provide the specific embodiment of the present invention, be used for that the present invention is described further.
Embodiment 1
A kind of flowmeter on-line calibration device of the present embodiment, comprise detection module for detection of liquid condition parameter in fluid machinery 1 output pipe, for gathering the acquisition module 5 of fluid machinery 1 output data, for calculating the analysis module 6 of detection module and acquisition module 5 flow deviation, the output terminal of analysis module 6 is connected with display 3; Between detection module and analysis module 6, be provided with for transmitting the data transmission module 4 of data; Between acquisition module 5 and analysis module 6, be provided with data conversion module 7; Described detection module comprises pressure transducer 8, flow sensor 9, the temperature sensor 10 of being located on fluid machinery output pipe 2, flow sensor 9 comprises the flowmeter being connected with pipeline 2, and flowmeter is connected with for pulse signal being converted to the transmitter of current signal.The output terminal of pipeline 2 is connected with liquid reserve tank 11; Flowmeter on-line calibration device is installed in casing, and display 3 levels are installed on the upper surface of casing; On the inwall of casing, shock attenuation device is installed; Acquisition module 5 comprises that acquisition camera is connected with data conversion module 7 by data line for taking the acquisition camera of fluid machinery 1 measurement instrument.
The course of work is as follows: fluid flow, pressure and temperature information that detection module gathers fluid machinery output are sent to analysis module 6 by data transmission module 4, simultaneously, acquisition module 5 is gone back flow, pressure and the temperature information of synchronous acquisition fluid machinery 1 measurement instrument indication, then deliver to analysis module 6 and carry out analyzing and processing, computing machine is after carrying out indicating value interpretation, the computing such as flow-compensated, the measuring accuracy of evaluating flow, provides conclusion.
The flowmeter on-line calibration device of the present embodiment has the following advantages:
1) have portable construction, maneuverability, is convenient to portable and transportation, has designed shock-damping structure, to field condition strong adaptability;
2) can realize online actual flow calibration, this device can be serially connected in easily and be calibrated in work loop, under the actual operating conditions of fluid machinery, calibrates, and calibration accuracy is high, has avoided the dismounting of measuring apparatus;
3) have non-intrusion type and obtain the ability that is calibrated data, this device is by Image Acquisition and process the continuous data that obtains fluid machinery, does not change any duty of fluid machinery, does not affect the normal work of fluid machinery;
4) possesses the automatic capability for correcting of temperature, the impact of pressure versus flow amount, this device passes through Software for Design, set up the correction model of temperature and pressure on the impact of flow measuring accuracy, can automatically revise, avoided occurring with fluid machinery the deviation being caused by temperature or pressure.

Claims (8)

1. a flowmeter on-line calibration device, it is characterized in that comprising detection module for detection of liquid condition parameter in fluid machinery (1) output pipe, for gathering the acquisition module (5) of fluid machinery (1) output data, for calculating the analysis module (6) of detection module and acquisition module (5) flow deviation, the output terminal of analysis module (6) is connected with display (3).
2. according to a kind of flowmeter on-line calibration device claimed in claim 1, it is characterized in that being provided with between described detection module and analysis module (6) data transmission module (4) for transmitting data.
3. according to a kind of flowmeter on-line calibration device claimed in claim 1, it is characterized in that being provided with data conversion module (7) between described acquisition module (5) and analysis module (6).
4. according to a kind of flowmeter on-line calibration device claimed in claim 2, it is characterized in that described detection module comprises pressure transducer (8), flow sensor (9), the temperature sensor (10) of being located on fluid machinery output pipe (2).
5. according to a kind of flowmeter on-line calibration device claimed in claim 4, it is characterized in that described flow sensor (9) comprises the flowmeter being connected with pipeline (2), flowmeter is connected with for pulse signal being converted to the transmitter of current signal.
6. according to a kind of flowmeter on-line calibration device claimed in claim 1, it is characterized in that described flowmeter on-line calibration device is installed in casing, display (3) level is installed on the upper surface of casing.
7. according to a kind of flowmeter on-line calibration device claimed in claim 6, it is characterized in that, on the inwall of described casing, shock attenuation device is installed.
8. according to a kind of flowmeter on-line calibration device claimed in claim 1, it is characterized in that described acquisition module (5) comprises that acquisition camera is connected with data conversion module (7) by data line for taking the acquisition camera of fluid machinery (1) measurement instrument.
CN201410018873.5A 2014-01-16 2014-01-16 Flow gauge online calibration device Pending CN103712669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410018873.5A CN103712669A (en) 2014-01-16 2014-01-16 Flow gauge online calibration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410018873.5A CN103712669A (en) 2014-01-16 2014-01-16 Flow gauge online calibration device

Publications (1)

Publication Number Publication Date
CN103712669A true CN103712669A (en) 2014-04-09

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CN201410018873.5A Pending CN103712669A (en) 2014-01-16 2014-01-16 Flow gauge online calibration device

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CN (1) CN103712669A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107731720A (en) * 2017-11-29 2018-02-23 沈阳拓荆科技有限公司 The fluid flow calibration system and calibration method of a kind of semiconductor processing equipment
CN108430281A (en) * 2015-10-20 2018-08-21 沙克忍者运营有限责任公司 Dynamic calibration for flowmeter compensates

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008089607A (en) * 2004-06-21 2008-04-17 Hitachi Metals Ltd Mass flow controller and its regulation method
CN201514259U (en) * 2009-03-13 2010-06-23 广东省东莞市质量计量监督检测所 Device for calibrating liquid flowmeters
CN102519556A (en) * 2011-12-02 2012-06-27 北京航空航天大学 Method for calibrating heavy-caliber electromagnetic flowmeter on line
CN103076067A (en) * 2011-10-25 2013-05-01 中国石油化工股份有限公司 Full-automatic online calibrating device and calibrating method for vehicle-mounted large-aperture flow meter and calibrating method
CN203337231U (en) * 2012-12-17 2013-12-11 常州市计量测试技术研究所 Two-station fully-automatic composite water meter verification device based on image recognition
CN203643007U (en) * 2014-01-16 2014-06-11 中国人民解放军海军航空工程学院 Online flowmeter calibration device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008089607A (en) * 2004-06-21 2008-04-17 Hitachi Metals Ltd Mass flow controller and its regulation method
CN201514259U (en) * 2009-03-13 2010-06-23 广东省东莞市质量计量监督检测所 Device for calibrating liquid flowmeters
CN103076067A (en) * 2011-10-25 2013-05-01 中国石油化工股份有限公司 Full-automatic online calibrating device and calibrating method for vehicle-mounted large-aperture flow meter and calibrating method
CN102519556A (en) * 2011-12-02 2012-06-27 北京航空航天大学 Method for calibrating heavy-caliber electromagnetic flowmeter on line
CN203337231U (en) * 2012-12-17 2013-12-11 常州市计量测试技术研究所 Two-station fully-automatic composite water meter verification device based on image recognition
CN203643007U (en) * 2014-01-16 2014-06-11 中国人民解放军海军航空工程学院 Online flowmeter calibration device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108430281A (en) * 2015-10-20 2018-08-21 沙克忍者运营有限责任公司 Dynamic calibration for flowmeter compensates
CN108430281B (en) * 2015-10-20 2020-08-25 沙克忍者运营有限责任公司 Dynamic calibration compensation for flow meters
CN107731720A (en) * 2017-11-29 2018-02-23 沈阳拓荆科技有限公司 The fluid flow calibration system and calibration method of a kind of semiconductor processing equipment

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Application publication date: 20140409

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