CN103712669A - Flow gauge online calibration device - Google Patents
Flow gauge online calibration device Download PDFInfo
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- 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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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
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.
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.
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 |
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| 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN108241346A (en) * | 2017-12-05 | 2018-07-03 | 北京智拓博科技有限公司 | Fluid machinery intelligent monitor system and its method |
| 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 |
| CN113108879A (en) * | 2021-04-29 | 2021-07-13 | 青岛市计量技术研究院 | Gas flowmeter for measuring remote calibration of circular-section pipeline and calibration method |
| CN114061708A (en) * | 2021-11-01 | 2022-02-18 | 湖州市检验检测中心 | High-precision automatic control liquid flowmeter (instrument) on-line calibration device |
| CN114659594A (en) * | 2022-03-21 | 2022-06-24 | 江苏红光仪表厂有限公司 | Active calibration system for flow meter |
| CN118362175A (en) * | 2024-06-20 | 2024-07-19 | 福建哈德仪表有限公司 | Gas ultrasonic flowmeter with calibration function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN108241346A (en) * | 2017-12-05 | 2018-07-03 | 北京智拓博科技有限公司 | Fluid machinery intelligent monitor system and its method |
| CN113108879A (en) * | 2021-04-29 | 2021-07-13 | 青岛市计量技术研究院 | Gas flowmeter for measuring remote calibration of circular-section pipeline and calibration method |
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| CN114061708A (en) * | 2021-11-01 | 2022-02-18 | 湖州市检验检测中心 | High-precision automatic control liquid flowmeter (instrument) on-line calibration device |
| CN114659594A (en) * | 2022-03-21 | 2022-06-24 | 江苏红光仪表厂有限公司 | Active calibration system for flow meter |
| CN114659594B (en) * | 2022-03-21 | 2024-08-09 | 江苏红光仪表厂有限公司 | Active calibration system for flowmeter |
| CN118362175A (en) * | 2024-06-20 | 2024-07-19 | 福建哈德仪表有限公司 | Gas ultrasonic flowmeter with calibration function |
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Application publication date: 20140409 |