CN201464003U - Rotor flow meter calibrating device - Google Patents

Rotor flow meter calibrating device Download PDF

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Publication number
CN201464003U
CN201464003U CN2009201239048U CN200920123904U CN201464003U CN 201464003 U CN201464003 U CN 201464003U CN 2009201239048 U CN2009201239048 U CN 2009201239048U CN 200920123904 U CN200920123904 U CN 200920123904U CN 201464003 U CN201464003 U CN 201464003U
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CN
China
Prior art keywords
upstream
downstream
impact damper
pressure regulator
adjusting valve
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.)
Expired - Fee Related
Application number
CN2009201239048U
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Chinese (zh)
Inventor
孙斌
钱飞
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China Jiliang University
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China Jiliang University
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Priority to CN2009201239048U priority Critical patent/CN201464003U/en
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Publication of CN201464003U publication Critical patent/CN201464003U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a rotor flow meter calibrating device, aiming at solving the problems of high requirements for the environment and low degree of automation of the existing calibrating device. The rotor flow meter calibrating device comprises a pressure adjusting valve, stream buffers, stream pressure adjusting valves, adjusting valves and an air source, wherein the air source is connected with one end of the upstream buffer by the pressure adjusting valve; an upstream temperature sensor, an upstream pressure adjusting valve and an upstream pressure sensor are connected with the upstream buffer; the upstream pressure adjusting valve is connected with one end of a standard flow meter, and other end of the standard flow meter is connected with the upstream adjusting valve; the upstream adjusting valve is connected with one end of a pipeline, and the other end of the pipeline is connected with one end of the downstream buffer; a downstream temperature sensor, a downstream pressure adjusting valve and a downstream pressure sensor are connected with the downstream buffer; the downstream pressure adjusting valve is connected with one end of the tested flow meter, and other end of the tested flow meter is connected with the downstream adjusting valve; and the downstream adjusting valve is communicated with the outside atmosphere by the pipeline. The device can realize the calibration for the tested flow meter with different measuring ranges, so that the calibration accuracy is improved.

Description

A kind of spinner-type flowmeter calibrating installation
Technical field
The utility model relates to a kind of flow calibrating installation, relate in particular to a kind of differentiate gas rotameter whether qualified, be used for the device that gas rotameter carries out periodic verification.
Background technology
Spinner-type flowmeter has a long history, because it has simple in structurely, scale is directly perceived, and working service is convenient, and the advantage of the little and constant pressure drop of crushing etc. is so be incorporated in industrial flow measurement field widely.China must regularly examine and determine the accuracy of the flowmeter in the metering according to the requirement of " measurement Law " and flowmeter regulation.But Jian Ding method generally adopted the bell jar meter to examine and determine as the volumetric method of volumetric standard in the past, need the cost of input higher, equipment requirements environmental requirement height, and belong to manually-operated substantially, automaticity is very low, is not that the professional almost can't operate, so seldom adopt in general enterprise, therefore it is little to be badly in need of a kind of volume of exploitation, and easy to operate integrated calibration equipment supplied gas spinner-type flowmeter generates enterprise and uses the metrological service of enterprise to use.
Summary of the invention
The purpose of this utility model provides a kind of volume little, practical and convenient at the deficiencies in the prior art, examines and determine value accurately and reliably, and all detection parts all are installed in the integrated gas spinner-type flowmeter calibrating installation in the cabinet.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of spinner-type flowmeter calibrating installation, comprise pressure regulator valve, upstream impact damper, upstream pressure regulator valve, upstream regulation valve, downstream impact damper, downstream pressure regulator valve, downstream damper, source of the gas is connected with an end of upstream impact damper by pressure regulator valve, and the other end of upstream impact damper is connected with the upstream row air valve; Upstream temperature sensor, a plurality of upstreams pressure regulator valve, upstream pressure sensor are connected with the upstream impact damper respectively, each upstream pressure regulator valve and corresponding proving flowmeter one end connection, and the other end of proving flowmeter is connected with the upstream regulation valve; All upstream regulation valves are connected with an end of a pipeline, and the other end of pipeline is connected with an end of downstream impact damper, and the other end of downstream impact damper is connected with the downstream row air valve; Downstream temperature sensor, a plurality of downstreams pressure regulator valve, downstream pressure sensor are connected with the downstream impact damper respectively; Each downstream pressure regulator valve connects with an end of corresponding tested flowmeter, and the other end of tested flowmeter is connected with downstream damper; All downstream damper are communicated with ambient atmosphere by same pipeline;
Upstream temperature sensor, downstream temperature sensor, upstream pressure sensor, downstream pressure sensor are by the data acquisition card connection in output signal line and the computing machine.
The beneficial effects of the utility model are:
(1) demarcation of the tested flowmeter of the different range abilities of realization in same pick-up unit;
(2), improved the precision of calibrating by the pressure and temperature of computer real-time acquisition gas.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, a kind of spinner-type flowmeter calibrating installation, comprise pressure regulator valve 1, upstream impact damper 4, upstream pressure regulator valve 5, upstream regulation valve 8, downstream impact damper 9, downstream pressure regulator valve 10, downstream damper 12, source of the gas is connected with an end of upstream impact damper 4 by pressure regulator valve 1, and the other end of upstream impact damper 4 is connected with upstream row air valve 6-1; Upstream temperature sensor 2-1, three upstream pressure regulator valves 5, upstream pressure sensor 3-1 are connected with upstream impact damper 4 respectively, each upstream pressure regulator valve 5 and corresponding proving flowmeter 7 one ends connection, and the other end of proving flowmeter 7 is connected with upstream regulation valve 8; All upstream regulation valves 8 are connected with an end of a pipeline, and the other end of pipeline is connected with an end of downstream impact damper 9, and the other end of downstream impact damper 9 is connected with downstream row air valve 6-2; Downstream temperature sensor 2-2, three downstream pressure regulator valves 10, downstream pressure sensor 3-2 are connected with downstream impact damper 9 respectively; Each downstream pressure regulator valve 10 connects with an end of corresponding tested flowmeter 11, and the other end of tested flowmeter 11 is connected with downstream damper 12; All downstream damper 12 are communicated with ambient atmosphere by same pipeline; Upstream temperature sensor 2-1, downstream temperature sensor 2-2, upstream pressure sensor 3-1, downstream pressure sensor 3-2 are connected with data collecting card 13 in the computing machine 14 by output signal line.
Concrete working method of the present utility model is:
High-pressure air source enters upstream impact damper 4 by pressure regulator valve 1, on upstream impact damper 4, there are upstream temperature sensor 2-1 and upstream pressure sensor 3-1 to detect temperature and pressure in the upstream impact damper 4 in real time, enter computing machine 14 by data collecting card 13, numerical value shows on display 15 in real time, 3 pipelines are arranged directly on the upstream impact damper 4, a upstream regulation valve 5 is arranged on each pipeline.The proving flowmeter 7 of three different flow scopes is housed respectively behind upstream regulation valve 5, is used for the detection of the tested flowmeter of different ranges.Proving flowmeter 7 is connected to same pipeline through upstream body variable valve 8, enter downstream impact damper 9 by this pipeline gas, downstream temperature sensor 2-2 and downstream pressure sensor 3-2 are arranged on the downstream impact damper 9 equally, real-time detection buffer internal temperature and pressure, and deliver to computing machine 14 by data collecting card 13, on display 15, show in real time.Connect three independently pipelines on this impact damper, downstream pressure regulator valve 10 is arranged on pipeline, downstream pressure regulator valve 10 is communicated with tested flowmeter 11, and gas through downstream damper 12, is aggregated into same gas discharge outlet by behind the tested flowmeter 11.Simultaneously upstream row air valve 6-1 and downstream row air valve 6-2 are housed separately all below upstream impact damper and downstream impact damper, can be by vent valve the air scavenge in the impact damper.Read the indicating value of proving flowmeter and in conjunction with the equation of gas state, after comparing with the indicating value of tested flowmeter, can obtain the error of tested flowmeter.

Claims (1)

1. spinner-type flowmeter calibrating installation, comprise pressure regulator valve, upstream impact damper, upstream pressure regulator valve, upstream regulation valve, downstream impact damper, downstream pressure regulator valve, downstream damper, it is characterized in that: source of the gas is connected with an end of upstream impact damper by pressure regulator valve, and the other end of upstream impact damper is connected with the upstream row air valve; Upstream temperature sensor, a plurality of upstreams pressure regulator valve, upstream pressure sensor are connected with the upstream impact damper respectively, each upstream pressure regulator valve and corresponding proving flowmeter one end connection, and the other end of proving flowmeter is connected with the upstream regulation valve; All upstream regulation valves are connected with an end of a pipeline, and the other end of pipeline is connected with an end of downstream impact damper, and the other end of downstream impact damper is connected with the downstream row air valve; Downstream temperature sensor, a plurality of downstreams pressure regulator valve, downstream pressure sensor are connected with the downstream impact damper respectively; Each downstream pressure regulator valve connects with an end of corresponding tested flowmeter, and the other end of tested flowmeter is connected with downstream damper; All downstream damper are communicated with ambient atmosphere by same pipeline;
Upstream temperature sensor, downstream temperature sensor, upstream pressure sensor, downstream pressure sensor are by the data acquisition card connection in output signal line and the computing machine.
CN2009201239048U 2009-06-29 2009-06-29 Rotor flow meter calibrating device Expired - Fee Related CN201464003U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201239048U CN201464003U (en) 2009-06-29 2009-06-29 Rotor flow meter calibrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201239048U CN201464003U (en) 2009-06-29 2009-06-29 Rotor flow meter calibrating device

Publications (1)

Publication Number Publication Date
CN201464003U true CN201464003U (en) 2010-05-12

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Application Number Title Priority Date Filing Date
CN2009201239048U Expired - Fee Related CN201464003U (en) 2009-06-29 2009-06-29 Rotor flow meter calibrating device

Country Status (1)

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CN (1) CN201464003U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103088872A (en) * 2013-02-01 2013-05-08 天津大学 Water supplying system for flow device
CN104236680A (en) * 2014-09-24 2014-12-24 上海贝岭股份有限公司 Flow meter and metering method thereof
CN104457919A (en) * 2014-12-12 2015-03-25 贵州黎阳航空动力有限公司 Calibration device and method for floater gas flowmeter
CN107003177A (en) * 2014-06-04 2017-08-01 罗伯特·博世有限公司 Method for calibrating the flowmeter for fluid media (medium)
CN110108337A (en) * 2019-05-06 2019-08-09 北京市计量检测科学研究院 A kind of removable efficient combined-type Rotameter Calibrating Equipment
CN110864770A (en) * 2019-11-20 2020-03-06 威海坤科流量仪表股份有限公司 Gas waist wheel starting flow testing equipment and testing method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103088872A (en) * 2013-02-01 2013-05-08 天津大学 Water supplying system for flow device
CN107003177A (en) * 2014-06-04 2017-08-01 罗伯特·博世有限公司 Method for calibrating the flowmeter for fluid media (medium)
CN107003177B (en) * 2014-06-04 2019-09-06 罗伯特·博世有限公司 For calibrating the method for being used for the flowmeter of fluid media (medium)
CN104236680A (en) * 2014-09-24 2014-12-24 上海贝岭股份有限公司 Flow meter and metering method thereof
CN104236680B (en) * 2014-09-24 2017-08-25 上海贝岭股份有限公司 The metering method of flowmeter
CN104457919A (en) * 2014-12-12 2015-03-25 贵州黎阳航空动力有限公司 Calibration device and method for floater gas flowmeter
CN110108337A (en) * 2019-05-06 2019-08-09 北京市计量检测科学研究院 A kind of removable efficient combined-type Rotameter Calibrating Equipment
CN110864770A (en) * 2019-11-20 2020-03-06 威海坤科流量仪表股份有限公司 Gas waist wheel starting flow testing equipment and testing method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100512

Termination date: 20110629