CN103424513A - Gas component detecting device - Google Patents
Gas component detecting device Download PDFInfo
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- CN103424513A CN103424513A CN2013103229821A CN201310322982A CN103424513A CN 103424513 A CN103424513 A CN 103424513A CN 2013103229821 A CN2013103229821 A CN 2013103229821A CN 201310322982 A CN201310322982 A CN 201310322982A CN 103424513 A CN103424513 A CN 103424513A
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- gas
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- inner chamber
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Abstract
The invention provides a gas component detecting device which comprises a gas detecting instrument, a casing and an air suction device, wherein the gas detecting instrument is positioned in the inner chamber of the casing; the air suction device is communicated with the inner chamber of the casing; the air suction device is used for inhaling gas from a to-be-detected space and transporting the gas to the inner chamber of the casing for detecting by the gas detecting instrument. The gas component detecting device provided by the invention can solve the problem that gas in a space, where the gas component detecting device self can not enter, can not be detected by the gas component detecting device in the prior art.
Description
Technical field
The present invention relates to the gas detection technology field, relate in particular to a kind of gas componant pick-up unit.
Background technology
In field of gas detection, usually adopt gas detecting instrument to detect in a certain space the composition of the gas existed, gas detecting instrument generally includes the gas sensor of composition for responding to gas and content and for showing the display of testing result.In use, gas detecting instrument is placed in this space, diffusion motion by air, gas in this space enters detecting instrument inside by the air admission hole of gas detecting instrument, the gas sensor of detecting instrument inside induces composition and the content of various gases, and this testing result is presented on display.
But, the gas detecting instrument of prior art can only this detecting instrument space of living in gas, for example, for the unapproachable zone of this detecting instrument,, the space of coal body inside under sealing body of wall inner space, coal mine under coal mine, the gas detecting instrument of prior art can't detect.
Summary of the invention
The invention provides a kind of gas componant pick-up unit, the problem that can't detect for the gas in himself unapproachable space to solve gas detecting instrument in prior art.
The invention provides a kind of gas componant pick-up unit, comprising: gas detecting instrument, housing, getter device;
Wherein, described gas detecting instrument is arranged in the inner chamber of described housing, and described getter device is communicated with the inner chamber of described housing;
Described getter device sucks gas and inputs in the inner chamber of described housing and detects for described gas detecting instrument from space to be detected.
Further, on described housing, be provided with pore, described getter device is communicated with the inner chamber of described housing by described pore.
Further, described getter device comprises: air-breathing ball, and described air-breathing ball comprises the first port and the second port, and described the first port is communicated with described pore, and described the second port is for sucking gas from described space to be detected.
Further, on described the first port, be provided with the first retaining valve, on described the second port, be provided with the second retaining valve, described the first retaining valve is identical with the direction of described the second retaining valve.
Further, between described the first port and described pore, by the first wireway, be communicated with.
Further, be communicated with the second wireway on described the second port.
Further, comprise at least one transparent region on described housing, to watch the testing result shown on described gas detecting instrument.
Gas componant pick-up unit provided by the invention, suck gas by getter device and input in the inner chamber of housing from space to be detected, thereby make described gas detecting instrument be arranged in the space at gas to be detected place, thereby described gas detecting instrument can be detected described gas to be detected.
The accompanying drawing explanation
The structural representation that Fig. 1 is gas componant pick-up unit embodiment mono-of the present invention;
The structural representation that Fig. 2 is gas componant pick-up unit embodiment bis-of the present invention.
Embodiment
The structural representation that Fig. 1 is gas componant pick-up unit embodiment mono-of the present invention, as shown in Figure 1, the gas componant pick-up unit of the present embodiment can comprise: gas detecting instrument 1, housing 2, getter device 3,
Wherein, described gas detecting instrument 1 is arranged in the inner chamber of described housing 2, and described getter device 3 is communicated with the inner chamber of described housing 2;
Described getter device 3 sucks gas and inputs in the inner chamber of described housing 2 and detects for described gas detecting instrument 1 from space to be detected.
Particularly, housing 2 can adopt plastics, rubber, paper etc. can hold the material of gas, and getter device 3 can adopt the devices such as air-breathing ball, aspiration pump to form.
Usually, during gas detecting instrument 1 need to be positioned over the space at gas to be detected place when work, gas to be detected enters the inside of gas detecting instrument 1 by the diffusion motion of gas, thereby, its inner gas sensor can induce composition and the content of various gases, and obtains result.And be positioned at the scene in gas detecting instrument 1 unapproachable space for gas to be detected, in the present embodiment, gas detecting instrument 1 is arranged in the inner chamber of described housing 2, and by getter device 3, gas to be detected is exported to the inner chamber of housing 2, thereby, the gas to be detected that exports to the inner chamber of housing 2 can be by the diffusion motion of gas, enter the inside of gas detecting instrument 1 by the air admission hole of gas detecting instrument 1, thereby, its inner gas sensor can induce composition and the content of various gases, and obtains result.
When specific implementation, can also be in the following ways: the gas detection sensor of gas detecting instrument is positioned in the inner chamber of housing 2, and the other parts of gas detecting instrument is positioned over to the outside of housing 2.In this mode, on housing 2, through hole can be set, the electronic circuit between the other parts of gas detection sensor and gas detecting instrument is connected via through hole, and, this through hole can carry out encapsulation process, makes electronic circuit be able to from through hole through guaranteeing that housing 2 is air tight again.
In order to guarantee the accuracy of testing result, the gas componant pick-up unit of the present embodiment is when reality is used, can be first that the air in housing 2 is emptying, then adopt described getter device 3 to suck gas from space to be detected and input in the inner chamber of described housing 2 and detect for described gas detecting instrument 1.Housing 2 can adopt polybag, rubber bag or paper bag etc. by flexible barrier material, so that the air in emptying housing 2 inner chambers.And housing 2 can adopt transparent material, transparent plastic for example, so that observe the testing result shown on described gas detecting instrument 1.
The present embodiment, suck gas by getter device and input in the inner chamber of housing from space to be detected, thereby make described gas detecting instrument be arranged in the space at gas to be detected place, thereby described gas detecting instrument can be detected described gas to be detected.
The structural representation that Fig. 2 is gas componant pick-up unit embodiment bis-of the present invention, as shown in Figure 2, the gas componant pick-up unit of the present embodiment is on basis embodiment illustrated in fig. 1, be provided with pore 21 on described housing 2, described getter device 3 is communicated with the inner chamber of described housing 2 by described pore 21.
Further, described getter device 3 can comprise: air-breathing ball 31, described air-breathing ball 31 comprises the first port 311 and the second port 312, and described the first port 311 is communicated with described pore 21, and described the second port 312 is for sucking gas from described space to be detected.
Further, on described the first port 311, can be provided with the first retaining valve 3111, on described the second port 312, can be provided with the second retaining valve 3121, described the first retaining valve 3111 is identical with the direction of described the second retaining valve 3121.
Particularly, the direction of described the first retaining valve 3111 and described the second retaining valve 3121 all is configured such that the direction of gas from gas to be measured place spatial flow to the pore 21 of housing 2 flows, i.e. direction T shown in Fig. 2.
In the present embodiment, the principle of work of described getter device 3 is as follows:
As shown in Figure 2, the flow direction that the first retaining valve 3111 makes gas is for flowing along direction T by the first retaining valve 3111, and when gas during along the reversed flow of direction T, the first 3111, retaining valve can be closed automatically; The flow direction that the second retaining valve 3121 makes gas is for flowing along direction T by the second retaining valve 3121, and when gas during along the reversed flow of direction T, the second 3121, retaining valve can be closed automatically.Therefore, when the spheroid of air-breathing ball 31, pinched in flat process, the gas of spheroid inside is excluded, setting due to the first retaining valve 3111 and the second retaining valve 3121, the gas of spheroid inside will flow along direction T, and the direction to the pore 21 of housing 2 flows, thereby enter the inner chamber of housing 2; And now the air pressure of spheroid inside descends, the air pressure of spheroid outside is greater than the air pressure of spheroid inside, therefore, to have gas and enter spheroid, same, due to the setting of the first retaining valve 3111 and the second retaining valve 3121, gas can only flow along direction T, therefore, the gas that enters spheroid can only come from the second port 312, from described space to be detected, sucks gas.Like this, repeatedly pinch the spheroid of air-breathing ball 31, can realize detecting for described gas detecting instrument sucking gas in space to be measured and inputing in the inner chamber of described housing.
Further, between described the first port 311 and described pore 21, can be communicated with by the first wireway 4.
And, on described the second port 312, can be communicated with the second wireway 5.
The first wireway 4 and the second wireway 5 can adopt any pipelines that can ventilate such as rubber hose, and its length can be according to the surrounding environment in space to be detected and the position flexible at gas detecting instrument 1 place.The setting of the first wireway 4 or the second wireway 5, the position that can increase gas detecting instrument 1 and housing 2 places is more free, thereby is more convenient for operation, and, go for the scene of remote detection.
When specific implementation, preferably, described the first wireway 4 and the second wireway 5 can adopt has the non-deformability rubber hose, to guarantee in the process logical air-breathing at the spheroid of air-breathing ball 31, described the first wireway 4 and the second wireway 5 are indeformable, thereby guarantee gas communication.
Further, can comprise at least one transparent region 22 on described housing 2, to watch the testing result shown on described gas detecting instrument 1.
When specific implementation, described housing 2 also can directly adopt the housing of transparent material, transparent plastic bag for example, transparent plastic box etc.When adopting transparent plastic bag, can also on this transparent plastic bag, arrange can Reusability sealing strip, to guarantee sealing.
While utilizing the gas componant pick-up unit of the present embodiment to be detected, its testing process is as follows:
Step 1, by the Bas Discharged in housing 2 inner chambers.
This step is the preliminary work that gas detects, the inner chamber that the ideal conditions that gas detects is housing 2 is vacuum state, like this, after sucking gas at getter device 3 and input in the inner chamber of described housing 2 from space to be detected, gas componant in the inner chamber of housing 2 and content are all identical with gas componant and content in space to be detected, the best results that gas detecting instrument is detected at the inner chamber of this housing 2.
During specific implementation, this step can be utilized the function of the unidirectional air guide of getter device 3, by getter device 3 Opposite direction connections,, the second port 312 of getter device 3 is communicated with described pore 21, and the first port 311 is communicated to the outside of housing 2, more repeatedly pinch the spheroid of air-breathing ball 31, like this, air-breathing ball 31 can be from the second port 312 by the gas sucking-off housing 2 inner chambers.
The annexation of step 2, recovery gas-detecting device, recover the annexation in getter device 3 and housing 2 and space to be detected, the first port 311 of getter device 3 is communicated with described pore 21, and described the second port 312 is for sucking gas from described space to be detected.
Step 3, utilize described getter device 3 to suck gas from space to be detected and input in the inner chamber of described housing 2 and detect for described gas detecting instrument 1.
Particularly, can manually repeatedly pinch the spheroid of air-breathing ball 31, utilize the unidirectional air guide principle of getter device 3, suck gas and input in the inner chamber of described housing 2 from space to be detected.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to aforementioned each embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: its technical scheme that still can put down in writing aforementioned each embodiment is modified, or some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a gas componant pick-up unit, is characterized in that, comprising: gas detecting instrument, housing, getter device;
Wherein, described gas detecting instrument is arranged in the inner chamber of described housing, and described getter device is communicated with the inner chamber of described housing;
Described getter device sucks gas and inputs in the inner chamber of described housing and detects for described gas detecting instrument from space to be detected.
2. device according to claim 1, is characterized in that, on described housing, is provided with pore, and described getter device is communicated with the inner chamber of described housing by described pore.
3. device according to claim 2, it is characterized in that, described getter device comprises: air-breathing ball, and described air-breathing ball comprises the first port and the second port, described the first port is communicated with described pore, and described the second port is for sucking gas from described space to be detected.
4. device according to claim 3, is characterized in that, on described the first port, is provided with the first retaining valve, on described the second port, is provided with the second retaining valve, and described the first retaining valve is identical with the direction of described the second retaining valve.
5. according to the described device of claim 3 or 4, it is characterized in that, be communicated with by the first wireway between described the first port and described pore.
6. according to the described device of claim 3 or 4, it is characterized in that, on described the second port, be communicated with the second wireway.
7. according to the described device of any one in claim 1～4, it is characterized in that, comprise at least one transparent region on described housing, to watch the testing result shown on described gas detecting instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322982.1A CN103424513B (en) | 2013-07-29 | 2013-07-29 | Gas componant pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322982.1A CN103424513B (en) | 2013-07-29 | 2013-07-29 | Gas componant pick-up unit |
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| Publication Number | Publication Date |
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| CN103424513A true CN103424513A (en) | 2013-12-04 |
| CN103424513B CN103424513B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310322982.1A Active CN103424513B (en) | 2013-07-29 | 2013-07-29 | Gas componant pick-up unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535376A (en) * | 2014-12-04 | 2015-04-22 | 苏州国环环境检测有限公司 | Gas collecting device |
| CN104634930A (en) * | 2014-08-06 | 2015-05-20 | 上海大生泰保鲜设备有限公司 | Device and method for detecting concentration of carbon dioxide in mushroom house |
| CN104931152A (en) * | 2015-07-02 | 2015-09-23 | 淮南矿业(集团)有限责任公司 | A temperature measurement apparatus |
| CN113289927A (en) * | 2021-05-28 | 2021-08-24 | 浙江瑞亨电子材料有限公司 | High-purity chlorine full-production line purity analysis system |
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| US5907092A (en) * | 1994-12-22 | 1999-05-25 | Leybold Aktiengesellschaft | Countercurrent sniffing leak detector |
| CN2718576Y (en) * | 2004-02-16 | 2005-08-17 | 四川捷瑞安科技发展有限公司 | Intelligent portable detecting instrument for poison and harmful gas |
| CN200979515Y (en) * | 2006-12-04 | 2007-11-21 | 天津钢管集团有限公司 | A gas sampling device |
| CN203422363U (en) * | 2013-07-29 | 2014-02-05 | 淮南矿业(集团)有限责任公司 | Gas composition detection device |
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2013
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| US5907092A (en) * | 1994-12-22 | 1999-05-25 | Leybold Aktiengesellschaft | Countercurrent sniffing leak detector |
| EP0838795A1 (en) * | 1996-10-24 | 1998-04-29 | Pittway Corporation | Ambient condition detectors |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104634930A (en) * | 2014-08-06 | 2015-05-20 | 上海大生泰保鲜设备有限公司 | Device and method for detecting concentration of carbon dioxide in mushroom house |
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| CN104931152A (en) * | 2015-07-02 | 2015-09-23 | 淮南矿业(集团)有限责任公司 | A temperature measurement apparatus |
| CN113289927A (en) * | 2021-05-28 | 2021-08-24 | 浙江瑞亨电子材料有限公司 | High-purity chlorine full-production line purity analysis system |
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|---|---|
| CN103424513B (en) | 2016-02-03 |
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