CN1439866A - Gas flow standardizing devices - Google Patents

Gas flow standardizing devices Download PDF

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Publication number
CN1439866A
CN1439866A CN 03109648 CN03109648A CN1439866A CN 1439866 A CN1439866 A CN 1439866A CN 03109648 CN03109648 CN 03109648 CN 03109648 A CN03109648 A CN 03109648A CN 1439866 A CN1439866 A CN 1439866A
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CN
China
Prior art keywords
pressure unit
standard
pressure
valve
temperature transmitter
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Granted
Application number
CN 03109648
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Chinese (zh)
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CN1188671C (en
Inventor
张涛
李传经
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Tianjin University
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Tianjin University
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Application filed by Tianjin University filed Critical Tianjin University
Priority to CNB031096484A priority Critical patent/CN1188671C/en
Publication of CN1439866A publication Critical patent/CN1439866A/en
Application granted granted Critical
Publication of CN1188671C publication Critical patent/CN1188671C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Measuring Fluid Pressure (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

A high-precision gas flow measurer used in high and variable pressure condition is a closed-loop system composed of calipers bench, manual ball valve, collecting tank, output container, two pressure stabilizing tanks, flower and pressure regulating valve, all of which are sequentially connected. At least one group of the standard meter set consisting of serially connected two standard meters, and pneuamtic ball valve is connected between collecting and output container. The pressure transducer and temp transducer are respectively arranged at both ends of collecting tank and output container.

Description

The airshed standard set-up
Technical field
The present invention relates to a kind of standard set-up, relate to a kind of standard scale proving installation in particular.
Background technology
At present, the proving installation of standard scale all is to adopt the open loop device, when gaseous tension is big, can't measure, and low precision.
Summary of the invention
The present invention is in order to overcome weak point of the prior art, provide a kind of when gaseous tension is big the high proving installation of precision.
The present invention is achieved through the following technical solutions: card table worktable is connected with handball valve, the jar that confluxes, at least one group of standard scale group, balloon valve, exit vessel successively; Exit vessel is connected with second buffer tank that links to each other with the air compressor machine air supply system, and second buffer tank is connected with blower fan by pipeline; Blower fan is connected with first buffer tank, first pressure regulator valve successively; First pressure regulator valve is connected with card table worktable, forms the closed-loop path; A described end that confluxes jar is respectively arranged with first pressure unit and first temperature transmitter, and the other end of the jar that confluxes is provided with second pressure unit; One end of exit vessel is provided with the 3rd pressure unit, and the other end is provided with the 4th pressure unit and second temperature transmitter; Be provided with the 5th pressure unit between second buffer tank and the blower fan; Micro controller is connected with blower fan, first pressure regulator valve, handball valve, first pressure unit, first temperature transmitter, standard scale group, balloon valve, the 4th pressure unit, second temperature transmitter, air compressor machine air supply system, the 5th pressure unit respectively.
Standard scale among the present invention adopts gas turbine meter or vortex flow sensors, and every group of standard scale group compose in series by two standard scales, and is provided with second pressure regulator valve between first buffer tank and first pressure regulator valve.Be provided with the 6th pressure unit and the 3rd temperature transmitter at card table worktable one end, the 6th pressure unit is connected with micro controller with the 3rd temperature transmitter.
The present invention has following beneficial effect:
1. the present invention adopts closed-loop fashion, has improved system gas pressure, adjustable in pressure;
2. the size of gas flow is by standard scale, and two standard scales of each piping erection have greatly improved the stated accuracy of standard set-up.
Description of drawings
Fig. 1 is airshed standard set-up figure.
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated:
As shown in Figure 1, be that the stainless steel pipes of 100mm is with first buffer tank 1, second pressure regulator valve 2, first pressure regulator valve 3, card table worktable 8, handball valve 9 and conflux and jars 11 connect successively with diameter.The jar 11 that confluxes is that the stainless steel pipes of 50mm is connected successively with one group of standard scale group 14, balloon valve 15 of being made up of two standard scales that are connected in series mutually by diameter; According to the needs of test, confluxing jar can be connected with the gentle ball valve of many groups standard scale group, for example, conflux jars 11 can also be respectively be that the stainless steel pipes of 80mm, 100mm is connected with other two groups of mutual standard scale group, balloon valves that are connected in series by diameter; Wherein standard scale can using gases turbo flow meter or vortex flow sensors.Above-mentioned balloon valve 15 is connected with exit vessel 17 again.Exit vessel 17 is that the stainless steel pipes of 150mm connects with second buffer tank 20 that is connected with the air engine air supply system by diameter, is connected with blower fan 22 by the 150mm pipeline afterwards.Blower fan 22 is connected with first buffer tank 1 by the 150mm stainless steel pipes, thereby forms the closed-loop path, but pressure regulation.Above-mentioned first pressure regulator valve 3 can be an automatic pressure regulator.
End at the jar 11 that confluxes is equipped with first pressure unit 12 and first temperature transmitter 13, and the other end is equipped with second pressure unit 10.End at exit vessel 17 is equipped with the 3rd pressure unit 16, and the other end is equipped with the 4th pressure unit 18 and second temperature transmitter 19.Between the blower fan 22 and second buffer tank 20, the 5th pressure unit 21 is installed.
Micro controller is connected with handball valve 9, first pressure unit 12, first temperature transmitter 13, standard scale group 14, balloon valve 15, the 4th pressure unit 18, second temperature transmitter 19, air compressor machine air supply system, the 5th pressure unit 21, blower fan 22, first pressure regulator valve 3, the 6th pressure unit 4, the 3rd temperature transmitter 5, pneumatic card table device 7 respectively.
Promptly become an airshed standard set-up after installing according to the method described above.
During test, tested table 6 is fixed on the card table worktable by the pneumatic card table device 7 on the card table worktable 8, and tested table 6 is connected with micro controller.Gas flow is benchmark with the standard scale, various signals such as the measurement data of tested table and temperature, pressure is sent into micro controller handle and printout.

Claims (6)

1. an airshed standard set-up comprises card table worktable, it is characterized in that, described card table worktable is connected with handball valve, the jar that confluxes, at least one group of standard scale group, balloon valve, exit vessel successively; Described exit vessel is connected with second buffer tank that links to each other with the air compressor machine air supply system, and described second buffer tank is connected with blower fan by pipeline; Described blower fan is connected with first buffer tank, first pressure regulator valve successively; Described first pressure regulator valve is connected with card table worktable, forms the closed-loop path; A described end that confluxes jar is respectively arranged with first pressure unit and first temperature transmitter, and the described other end that confluxes jar is provided with second pressure unit; One end of described exit vessel is provided with the 3rd pressure unit, and the other end of described exit vessel is provided with the 4th pressure unit and second temperature transmitter; Be provided with the 5th pressure unit between described second buffer tank and the blower fan; Micro controller is connected with described blower fan, first pressure regulator valve, handball valve, first pressure unit, first temperature transmitter, standard scale group, balloon valve, the 4th pressure unit, second temperature transmitter, air compressor machine air supply system, the 5th pressure unit respectively.
2. airshed standard set-up according to claim 1 is characterized in that, described standard scale group is made up of two standard scales that are connected in series mutually.
3. airshed standard set-up according to claim 1 and 2 is characterized in that, described standard scale is gas turbine meter or vortex flow sensors.
4. airshed standard set-up according to claim 3 is characterized in that, is provided with second pressure regulator valve between described first buffer tank and first pressure regulator valve.
5. airshed standard set-up according to claim 4 is characterized in that, described card table worktable is provided with pneumatic card table device.
6. airshed standard set-up according to claim 5 is characterized in that, an end of described card table worktable is provided with the 6th pressure unit and the 3rd temperature transmitter, and described the 6th pressure unit is connected with micro controller with the 3rd temperature transmitter.
CNB031096484A 2003-04-11 2003-04-11 Gas flow standardizing devices Expired - Fee Related CN1188671C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB031096484A CN1188671C (en) 2003-04-11 2003-04-11 Gas flow standardizing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB031096484A CN1188671C (en) 2003-04-11 2003-04-11 Gas flow standardizing devices

Publications (2)

Publication Number Publication Date
CN1439866A true CN1439866A (en) 2003-09-03
CN1188671C CN1188671C (en) 2005-02-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB031096484A Expired - Fee Related CN1188671C (en) 2003-04-11 2003-04-11 Gas flow standardizing devices

Country Status (1)

Country Link
CN (1) CN1188671C (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100368782C (en) * 2005-12-28 2008-02-13 张祖明 Flow standard measuring apparatus by photographic technique
CN102435268A (en) * 2011-11-02 2012-05-02 中国核工业二三建设有限公司 Calibration device for gas flow meter and method thereof
CN102997978A (en) * 2012-11-27 2013-03-27 山东迪泽仪表科技有限公司 Ring chamber positive pressure flow detection device
CN103471686A (en) * 2013-09-17 2013-12-25 陕西天仪智能仪表有限公司 Gas flow standard device and application method thereof
CN105222865A (en) * 2015-07-23 2016-01-06 中国计量学院 Turbo flow meter on-line monitoring method and device
CN107702768A (en) * 2017-10-12 2018-02-16 西安航天动力研究所 A kind of pressure-air big flow field calibration device and method
CN110043370A (en) * 2018-01-17 2019-07-23 中国航发商用航空发动机有限责任公司 The air-flow measurement method of fanjet core engine
RU2793592C1 (en) * 2022-06-03 2023-04-04 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ" Mobile verification unit for gas distribution station meters

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101251405B (en) * 2008-04-08 2011-06-01 余姚市银环流量仪表有限公司 Apparatus for calibrating gas instrument
CN104501917B (en) * 2015-01-04 2018-09-18 镇江市计量检定测试中心 Super large caliber sonic nozzle group formula gas flowmeter calibrating installation

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100368782C (en) * 2005-12-28 2008-02-13 张祖明 Flow standard measuring apparatus by photographic technique
CN102435268A (en) * 2011-11-02 2012-05-02 中国核工业二三建设有限公司 Calibration device for gas flow meter and method thereof
CN102435268B (en) * 2011-11-02 2015-03-18 中国核工业二三建设有限公司 Calibration device for gas flow meter and method thereof
CN102997978A (en) * 2012-11-27 2013-03-27 山东迪泽仪表科技有限公司 Ring chamber positive pressure flow detection device
CN103471686A (en) * 2013-09-17 2013-12-25 陕西天仪智能仪表有限公司 Gas flow standard device and application method thereof
CN103471686B (en) * 2013-09-17 2015-12-30 陕西天仪智能仪表有限公司 A kind of gas flow standard device and application process thereof
CN105222865A (en) * 2015-07-23 2016-01-06 中国计量学院 Turbo flow meter on-line monitoring method and device
CN107702768A (en) * 2017-10-12 2018-02-16 西安航天动力研究所 A kind of pressure-air big flow field calibration device and method
CN107702768B (en) * 2017-10-12 2020-03-03 西安航天动力研究所 High-pressure air large-flow field calibration device and method
CN110043370A (en) * 2018-01-17 2019-07-23 中国航发商用航空发动机有限责任公司 The air-flow measurement method of fanjet core engine
CN110043370B (en) * 2018-01-17 2020-12-15 中国航发商用航空发动机有限责任公司 Air flow measuring method of turbofan engine core machine
RU2793592C1 (en) * 2022-06-03 2023-04-04 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ" Mobile verification unit for gas distribution station meters

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