CN102359808A - On-site calibration method of airplane liquid flow - Google Patents
On-site calibration method of airplane liquid flow Download PDFInfo
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- CN102359808A CN102359808A CN2011102729811A CN201110272981A CN102359808A CN 102359808 A CN102359808 A CN 102359808A CN 2011102729811 A CN2011102729811 A CN 2011102729811A CN 201110272981 A CN201110272981 A CN 201110272981A CN 102359808 A CN102359808 A CN 102359808A
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Abstract
The invention provides an on-site calibration method of an airplane liquid flow, belonging to the field of airplane system design. The on-site calibration method comprises the following steps of: 1, opening an electromagnetic one-way reversing valve (4) and an electromagnetic one-way reversing valve (19) along a flow direction of a pipeline (1), a work flow sensor, a pipeline (3), a pipeline (17) and a pipeline (20); and closing the electromagnetic one-way reversing valve (4) and the electromagnetic one-way reversing valve (19) along the flow direction of a pipeline (5), a standard flow gauge and a pipeline (14); 2, discharging a liquid in the pipeline (5) and the pipeline (14); 3, unloading the standard flow gauge and calibrating, then restoring and mounting; 4, injecting a liquid into the pipeline (5) and the pipeline (14) fully; 5, reversing the electromagnetic one-way reversing valve (4) and the electromagnetic one-way reversing valve (19) and enabling the liquid in the pipeline to flow in the pipeline (5), the standard flow gauge, the pipeline (14), the electromagnetic one-way reversing valve (19) and the pipeline (20) along the pipeline (1), the work flow sensor and the electromagnetic one-way reversing valve (4); and 6, comparing a difference value between the work flow sensor and the standard flow gauge to finish the calibration. The on-site calibration method provided by the invention has the advantages of simple structure and method, safety and reliability, convenience for use, low production cost and capability of calibrating an onboard flow sensor on site at any time.
Description
Technical field
The present invention relates to a kind of aircraft fluid flow field calibration.Be applicable to the aircraft system design field, particularly relate to liquid flow sensor and indication flowmeter field calibration.
Background technology
Aircraft fluid flow field calibration device near of the present invention be to adopt manual method in the past, flow sensor is disassembled, deliver to the laboratory and examine and determine or calibrate.At present, calibrating of aircraft airborne flow sensor or calibration, the general method of concentrating dismounting that adopts, unified calibrating or calibration when the aircraft overhaul.
The aircraft fluid flow has several kinds, like aviation kerosene, and the hydraulic pressure wet goods.Generally speaking, for the sensor of indication flow, aircraft can not be examined and determine or calibrated in operational process; Main cause: the bad dismounting of flow sensor; Only when the aircraft overhaul or sensor when breaking down, just sensor is implemented dismounting, aircraft flight safety is produced very big hidden danger.
Summary of the invention
The object of the invention: provide a kind of simple in structure, convenient and practical, the calibration steps of good reliability under the situation of not dismantling flow sensor, directly carries out field calibration aboard.And technical scheme of the present invention can realize at any time airborne flow sensor being carried out field calibration.
Technical scheme of the present invention is:
A kind of aircraft fluid flow field calibration method, the calibration pipeline comprises pipeline 1, work is with flow sensor 2; Pipeline 3, the unidirectional reversal valve 4 of electromagnetism, pipeline 17; Unidirectional reversal valve 19 of electromagnetism and pipeline 20 are connected in series work with flow sensor 2 between pipeline 1 and the pipeline 3, and the unidirectional reversal valve 4 of electromagnetism is connected in series between pipeline 3 and the pipeline 17; The unidirectional reversal valve 19 of electromagnetism that is connected in series between pipeline 17 and the pipeline 20 is drawn pipeline 5 from the unidirectional reversal valve 4 of electromagnetism, draws pipeline 14 from the unidirectional reversal valve 19 of electromagnetism; The proving flowmeter 11 that between pipeline 5 and pipeline 14, is connected in series, the upper end on pipeline 5 or pipeline 14 has a upper shed 16, and the lower end on pipeline 5 or pipeline 14 has a under shed 7; And blocking cap 23 is installed in upper shed 16, and blocking cap 24 is installed under shed 7, it is characterized in that; The first step, with the unidirectional reversal valve of electromagnetism 4 with the unidirectional reversal valve 19 of electromagnetism along pipeline 1, work with flow sensor 2, pipeline 3; Pipeline 17 and pipeline 20 flow to be opened, and flows to along pipeline 5, proving flowmeter 11 and pipeline 14 and closes; Second step, open under shed 7 blocking caps 24, after the liquid in pipeline 5, the pipeline 14 is emitted, close blocking cap 24; The 3rd step, unload normal fluid flowmeter 11, calibrate, then, installation again resets; The 4th step, open upper shed 16 blocking caps 23, in pipeline 5, pipeline 14, fill with liquid, close blocking cap 23; The 5th step; With unidirectional reversal valve 19 switching-overs of unidirectional reversal valve of electromagnetism 4 and electromagnetism, make liquid in the pipeline along pipeline 1, work with the unidirectional reversal valve of flow sensor 2, electromagnetism 4, mobile at pipeline 5, proving flowmeter 11, pipeline 14, the unidirectional reversal valve 19 of electromagnetism and pipeline 20; In the 6th step, contrast work is accomplished the calibration of work with flow sensor 2 with the difference of flow sensor 2 and proving flowmeter 11.
The top and bottom of liquid level position in said upper end, the vial road, lower end.
Beneficial effect of the present invention is: advantage of the present invention is: structure and method are simple, safe and reliable, easy to use, cheap; Can realize at any time airborne flow sensor being carried out field calibration.
Description of drawings
Fig. 1: field calibration square law device configuration of the present invention
Wherein, the 1-pipeline, 2-work is used flow sensor, 3-pipeline, the unidirectional reversal valve of 4-electromagnetism, 5-pipeline, 11-proving flowmeter, 14-pipeline, 17-pipeline, the unidirectional reversal valve of 19-electromagnetism, 20-pipeline, 23-blocking cap, 24-blocking cap, 7-under shed, 16-upper shed.
Embodiment
Through embodiment the present invention is further described below:
A kind of aircraft fluid flow field calibration method, the calibration pipeline comprises pipeline 1, work is with flow sensor 2; Pipeline 3, the unidirectional reversal valve 4 of electromagnetism, pipeline 17; Unidirectional reversal valve 19 of electromagnetism and pipeline 20 are connected in series work with flow sensor 2 between pipeline 1 and the pipeline 3, and the unidirectional reversal valve 4 of electromagnetism is connected in series between pipeline 3 and the pipeline 17; The unidirectional reversal valve 19 of electromagnetism that is connected in series between pipeline 17 and the pipeline 20 is drawn pipeline 5 from the unidirectional reversal valve 4 of electromagnetism, draws pipeline 14 from the unidirectional reversal valve 19 of electromagnetism; The proving flowmeter 11 that between pipeline 5 and pipeline 14, is connected in series, the upper end on pipeline 5 or pipeline 14 has a upper shed 16, and the lower end on pipeline 5 or pipeline 14 has a under shed 7; And blocking cap 23 is installed in upper shed 16, and blocking cap 24 is installed under shed 7, it is characterized in that; The first step, with the unidirectional reversal valve of electromagnetism 4 with the unidirectional reversal valve 19 of electromagnetism along pipeline 1, work with flow sensor 2, pipeline 3; Pipeline 17 and pipeline 20 flow to be opened, and flows to along pipeline 5, proving flowmeter 11 and pipeline 14 and closes; Second step, open under shed 7 blocking caps 24, after the liquid in pipeline 5, the pipeline 14 is emitted, close blocking cap 24; The 3rd step, unload normal fluid flowmeter 11, calibrate, then, installation again resets; The 4th step, open upper shed 16 blocking caps 23, in pipeline 5, pipeline 14, fill with liquid, close blocking cap 23; The 5th step; With unidirectional reversal valve 19 switching-overs of unidirectional reversal valve of electromagnetism 4 and electromagnetism, make liquid in the pipeline along pipeline 1, work with the unidirectional reversal valve of flow sensor 2, electromagnetism 4, mobile at pipeline 5, proving flowmeter 11, pipeline 14, the unidirectional reversal valve 19 of electromagnetism and pipeline 20; In the 6th step, contrast work is accomplished the calibration of work with flow sensor 2 with the difference of flow sensor 2 and proving flowmeter 11.
Claims (1)
1. an aircraft fluid flow field calibration method is calibrated pipeline and is comprised pipeline (1), and work is with flow sensor (2); Pipeline (3), the unidirectional reversal valve of electromagnetism (4), pipeline (17); Unidirectional reversal valve of electromagnetism (19) and pipeline (20) are connected in series work with flow sensor (2) between pipeline (1) and the pipeline (3), and the unidirectional reversal valve of electromagnetism (4) is connected in series between pipeline (3) and the pipeline (17); The unidirectional reversal valve of electromagnetism (19) that is connected in series between pipeline (17) and the pipeline (20) is drawn pipeline (5) from the unidirectional reversal valve of electromagnetism (4), draws pipeline (14) from the unidirectional reversal valve of electromagnetism (19); The proving flowmeter (11) that between pipeline (5) and pipeline (14), is connected in series, the upper end on pipeline (5) or pipeline (14) has a upper shed (16), and the lower end on pipeline (5) or pipeline (14) has a under shed (7); And at the last blocking cap (23) of installing of upper shed (16); At under shed (7) blocking cap (24) go up to be installed, to be it is characterized in that: the first step, with the unidirectional reversal valve of electromagnetism (4) and the unidirectional reversal valve of electromagnetism (19) along pipeline (1), work with flow sensor (2); Pipeline (3); Pipeline (17), and pipeline (20) flows to and to open, and closes along pipeline (5), proving flowmeter (11) and pipeline (14) flow direction;
Second step, open under shed (7) blocking cap (24), after the liquid in pipeline (5), the pipeline (14) is emitted, close blocking cap (24);
The 3rd step, unload normal fluid flowmeter (11), calibrate, then, installation again resets;
The 4th step, open upper shed (16) blocking cap (23), fill with liquid at pipeline (5), pipeline in (14), close blocking cap (23);
The 5th step; With the switching-over of the unidirectional reversal valve of electromagnetism (4) and the unidirectional reversal valve of electromagnetism (19), make liquid in the pipeline along pipeline (1), work with flow sensor (2), the unidirectional reversal valve of electromagnetism (4), mobile at pipeline (5), proving flowmeter (11), pipeline (14), the unidirectional reversal valve of electromagnetism (19) and pipeline (20);
In the 6th step, contrast work is accomplished the calibration of work with flow sensor (2) with the difference of flow sensor (2) and proving flowmeter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102729811A CN102359808A (en) | 2011-09-14 | 2011-09-14 | On-site calibration method of airplane liquid flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102729811A CN102359808A (en) | 2011-09-14 | 2011-09-14 | On-site calibration method of airplane liquid flow |
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| Publication Number | Publication Date |
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| CN102359808A true CN102359808A (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102729811A Pending CN102359808A (en) | 2011-09-14 | 2011-09-14 | On-site calibration method of airplane liquid flow |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784367A (en) * | 2023-02-08 | 2023-03-14 | 威海中远海运重工科技有限公司 | Ship ballast water sensor calibration system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6439526A (en) * | 1987-08-05 | 1989-02-09 | Mitsubishi Electric Corp | Mass flowmeter inspection device |
| CN2548130Y (en) * | 2002-06-21 | 2003-04-30 | 朱家顺 | Liquid tube net |
| CN1513110A (en) * | 2001-05-30 | 2004-07-14 | Flowmeter providing device and method | |
| CN1920498A (en) * | 2006-09-11 | 2007-02-28 | 朱天寿 | Online fluid flow detection device for natural gas flowmeter |
| CN201772915U (en) * | 2010-05-12 | 2011-03-23 | 山东省计量科学研究院 | An online gas flow standard device |
-
2011
- 2011-09-14 CN CN2011102729811A patent/CN102359808A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6439526A (en) * | 1987-08-05 | 1989-02-09 | Mitsubishi Electric Corp | Mass flowmeter inspection device |
| CN1513110A (en) * | 2001-05-30 | 2004-07-14 | Flowmeter providing device and method | |
| CN2548130Y (en) * | 2002-06-21 | 2003-04-30 | 朱家顺 | Liquid tube net |
| CN1920498A (en) * | 2006-09-11 | 2007-02-28 | 朱天寿 | Online fluid flow detection device for natural gas flowmeter |
| CN201772915U (en) * | 2010-05-12 | 2011-03-23 | 山东省计量科学研究院 | An online gas flow standard device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784367A (en) * | 2023-02-08 | 2023-03-14 | 威海中远海运重工科技有限公司 | Ship ballast water sensor calibration system and method |
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Application publication date: 20120222 |