CN103698095A - Fire suppression bottle sealing performance detecting device and detecting method thereof - Google Patents
Fire suppression bottle sealing performance detecting device and detecting method thereof Download PDFInfo
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- CN103698095A CN103698095A CN201310565028.5A CN201310565028A CN103698095A CN 103698095 A CN103698095 A CN 103698095A CN 201310565028 A CN201310565028 A CN 201310565028A CN 103698095 A CN103698095 A CN 103698095A
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Abstract
The invention discloses a fire suppression bottle sealing performance detecting device and a detecting method thereof. The device comprises a closed container, a fire suppression bottle, a detector and an evacuating device, wherein the fire suppression bottle is arranged inside the closed container; the closed container is respectively connected with the detector and the evacuating device; mixed gas is stored inside the fire suppression bottle; and the mixed gas comprises high-pressure nitrogen and helium. The detecting method comprises the following steps: a, the fire suppression bottle is filled with the mixed gas of the high-pressure nitrogen and the helium, and the fire suppression bottle is put into the closed container; and b, a helium mass spectrum detector and the evacuating device are sequentially connected onto a vacuum container, the evacuating device vacuumizes the vacuum container, and the helium mass spectrum detector performs helium mass spectrum leak detection. By adopting the mode, the device and the method can improve the fire suppression bottle sealing performance detection precision, reduce the labor intensity during the detection process, improve the detection reliability, and shorten the detection time.
Description
Technical field
The present invention relates to chemical plant field, particularly relate to a kind of fire-suppression bottle device for detecting sealability and detection method thereof.
Background technology
Aircraft piggyback pod fire-suppression bottle (hereinafter to be referred as fire-suppression bottle) is mounted in the gas cylinder that has stored fire extinguishing agent in the fire extinguishing system of aviation aircraft nacelle.Once obtain the instruction from fire extinguishing system, the valve open of fire-suppression bottle.The high pressure nitrogen being now stored in fire-suppression bottle sprays the fire extinguishing agent in fire-suppression bottle, is sprayed onto the engine region that needs fire extinguishing along the pipeline presetting.
Due to fire-suppression bottle band high pressure storage, the gases at high pressure and the fire extinguishing agent that for long-time (several years), store simultaneously.Therefore the sealing of fire-suppression bottle is had to very high requirement.
Sealing test method is that mounted fire-suppression bottle is immersed in alcohol pool at present, detects by an unaided eye whether there is Bubble formation.Fire-suppression bottle is stored simultaneously and observe fire-suppression bottle 1 to February and whether have weight to decline.The method detects inconvenience, and whole process time is longer.The method also cannot obtain very high assurance to sealing simultaneously.Therefore requiring fire-suppression bottle to pull down every half a year weighs.Therefore the maintenance workload on machine is larger.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of fire-suppression bottle device for detecting sealability and detection method thereof, can improve the accuracy of detection of fire-suppression bottle sealing, has reduced the labour intensity in testing process, has improved detecting reliability, has shortened detection time.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of fire-suppression bottle device for detecting sealability is provided, comprise: closed container, fire-suppression bottle, detector and vacuum extractor, described fire-suppression bottle arranges closed container inside, described closed container is connected with vacuum extractor with detector respectively, described fire-suppression bottle internal reservoir mixed gas, described mixed gas comprises high pressure nitrogen and helium.
In a preferred embodiment of the present invention, described detector is helium Mass Spectrometer Method instrument.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the detection method that a kind of fire-suppression bottle device for detecting sealability is provided, comprise the following steps: a. is filled with the mixed gas of high pressure nitrogen and helium in fire-suppression bottle, and fire-suppression bottle is put in closed container; B. on vacuum tank, connect successively helium Mass Spectrometer Method instrument and vacuum extractor, vacuum extractor vacuumizes vacuum tank, and helium Mass Spectrometer Method instrument carries out helium mass spectrum and stops leakage in the roof.
In a preferred embodiment of the present invention, in described mixed gas, the volume fraction of helium is less than 1% for being greater than 0%, and all the other are nitrogen.
In a preferred embodiment of the present invention, the volume fraction of described helium is 1%, and the volume fraction of nitrogen is 99%.
The invention has the beneficial effects as follows: fire-suppression bottle device for detecting sealability of the present invention and detection method thereof, can improve the accuracy of detection of fire-suppression bottle sealing, reduced the labour intensity in testing process, improved detecting reliability, shortened detection time.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of fire-suppression bottle device for detecting sealability one preferred embodiment of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, closed container, 2, fire-suppression bottle, 3, helium Mass Spectrometer Method instrument, 4, vacuum extractor.
Embodiment
Below the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, a kind of fire-suppression bottle device for detecting sealability, comprise: closed container 1, fire-suppression bottle 2, helium Mass Spectrometer Method instrument 3 and vacuum extractor 4, described fire-suppression bottle 2 arranges closed container 1 inside, described closed container 1 is connected with vacuum extractor 4 with helium Mass Spectrometer Method instrument 3 respectively, described fire-suppression bottle 2 internal reservoir mixed gass, described mixed gas comprises high pressure nitrogen and helium.
The detection method of fire-suppression bottle device for detecting sealability comprises the following steps, first in fire-suppression bottle 2, be filled with the mixed gas of high pressure nitrogen and helium, the shared volume fraction of helium is 1%, all the other are nitrogen, fire-suppression bottle is put in closed container, closed container 1 is connected with vacuum extractor 4 with helium Mass Spectrometer Method instrument 3, 4 pairs of closed containers 1 of vacuum extractor vacuumize, by helium Mass Spectrometer Method instrument 3, carrying out helium mass spectrum stops leakage in the roof, than existing bubble naked eyes detection method, improved by this method the accuracy of detection of 3-4 the order of magnitude, can quantitatively detect slip simultaneously, reduced the unreliability of artifact.
Be different from prior art, fire-suppression bottle device for detecting sealability of the present invention and detection method thereof, can improve the accuracy of detection of fire-suppression bottle sealing, reduced the labour intensity in testing process, improved detecting reliability, shortened detection time.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a fire-suppression bottle device for detecting sealability, it is characterized in that, comprise: closed container, fire-suppression bottle, detector and vacuum extractor, described fire-suppression bottle arranges closed container inside, described closed container is connected with vacuum extractor with detector respectively, described fire-suppression bottle internal reservoir mixed gas, described mixed gas comprises high pressure nitrogen and helium.
2. fire-suppression bottle device for detecting sealability according to claim 1, is characterized in that, described detector is helium Mass Spectrometer Method instrument.
3. a detection method for fire-suppression bottle device for detecting sealability as claimed in claim 1, is characterized in that, comprises the following steps:
A. in fire-suppression bottle, be filled with the mixed gas of high pressure nitrogen and helium, and fire-suppression bottle is put in closed container;
B. on vacuum tank, connect successively helium Mass Spectrometer Method instrument and vacuum extractor, vacuum extractor vacuumizes vacuum tank, and helium Mass Spectrometer Method instrument carries out helium mass spectrum and stops leakage in the roof.
4. the detection method of fire-suppression bottle device for detecting sealability according to claim 3, is characterized in that, in described mixed gas, the volume fraction of helium is less than 1% for being greater than 0%, and all the other are nitrogen.
5. the detection method of fire-suppression bottle device for detecting sealability according to claim 4, is characterized in that, the volume fraction of described helium is 1%, and the volume fraction of nitrogen is 99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310565028.5A CN103698095A (en) | 2013-11-14 | 2013-11-14 | Fire suppression bottle sealing performance detecting device and detecting method thereof |
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| CN201310565028.5A CN103698095A (en) | 2013-11-14 | 2013-11-14 | Fire suppression bottle sealing performance detecting device and detecting method thereof |
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| CN103698095A true CN103698095A (en) | 2014-04-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043676A (en) * | 2015-06-17 | 2015-11-11 | 北京精密机电控制设备研究所 | Remote device for leakage detection of ultrahigh-pressure helium |
| CN106197878A (en) * | 2016-07-01 | 2016-12-07 | 广州新龙浩工业设备有限公司 | The outer device for detecting leakage of a kind of heat exchanger internal hemorrhage due to trauma and detection method |
| CN107340101A (en) * | 2017-07-03 | 2017-11-10 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of sealing device gas tiny leakage evaluating apparatus and method |
| CN108680439A (en) * | 2018-07-09 | 2018-10-19 | 湖北三峡职业技术学院 | A kind of device for detecting water pressure for gas cylinder |
| CN114577409A (en) * | 2020-11-30 | 2022-06-03 | 宝能汽车集团有限公司 | Detection method and detection system for hydrogen leakage rate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN106197878A (en) * | 2016-07-01 | 2016-12-07 | 广州新龙浩工业设备有限公司 | The outer device for detecting leakage of a kind of heat exchanger internal hemorrhage due to trauma and detection method |
| CN107340101A (en) * | 2017-07-03 | 2017-11-10 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of sealing device gas tiny leakage evaluating apparatus and method |
| CN108680439A (en) * | 2018-07-09 | 2018-10-19 | 湖北三峡职业技术学院 | A kind of device for detecting water pressure for gas cylinder |
| CN114577409A (en) * | 2020-11-30 | 2022-06-03 | 宝能汽车集团有限公司 | Detection method and detection system for hydrogen leakage rate |
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Application publication date: 20140402 |