CN1188671C - Gas flow standardizing devices - Google Patents
Gas flow standardizing devices Download PDFInfo
- Publication number
- CN1188671C CN1188671C CNB031096484A CN03109648A CN1188671C CN 1188671 C CN1188671 C CN 1188671C CN B031096484 A CNB031096484 A CN B031096484A CN 03109648 A CN03109648 A CN 03109648A CN 1188671 C CN1188671 C CN 1188671C
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- pressure
- pressure unit
- standard
- temperature transmitter
- valve
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Abstract
The present invention discloses a gas flow standardizing device, aiming to provide a gas flow test device with high precision under the conditions of high pressure and adjustable pressure. A calorimeter workbench, a hand ball valve, a confluence tank, an outlet container, a surge tank connected with an air compressor air supply system, a blower, a surge tank and a pressure regulating valve are orderly connected into a closed system. At least one standardizing meter group composed of two standard meters which are mutually connected in series and an air ball valve are arranged between the confluence tank and the outlet container. Both ends of the confluence tank and both ends of the outlet container are respectively provided with a pressure transmitter and a temperature transmitter. A micro-controller is respectively connected with the blower, a second pressure regulating valve, the hand ball valve, a first pressure transmitter, the temperature transmitter, a standard meter, the air ball valve, the air compressor air supply system and a fifth pressure transmitter. The present invention is suitable for the test of the standard meter with great system pressure and high requirement calibration accuracy.
Description
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 (5)
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, second pressure regulator valve, 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, described card table worktable is provided with pneumatic card table device.
5. airshed standard set-up according to claim 4 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.
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 CN1439866A (en) | 2003-09-03 |
| CN1188671C true CN1188671C (en) | 2005-02-09 |
Family
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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 (2)
| 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 |
| CN104501917A (en) * | 2015-01-04 | 2015-04-08 | 镇江市计量检定测试中心 | Ultra-large diameter sonic nozzle block type gas flowmeter calibrating device |
Families Citing this family (7)
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
-
2003
- 2003-04-11 CN CNB031096484A patent/CN1188671C/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN104501917A (en) * | 2015-01-04 | 2015-04-08 | 镇江市计量检定测试中心 | Ultra-large diameter sonic nozzle block type gas flowmeter calibrating device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1439866A (en) | 2003-09-03 |
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