CN203422363U - Gas composition detection device - Google Patents
Gas composition detection device Download PDFInfo
- Publication number
- CN203422363U CN203422363U CN201320456458.9U CN201320456458U CN203422363U CN 203422363 U CN203422363 U CN 203422363U CN 201320456458 U CN201320456458 U CN 201320456458U CN 203422363 U CN203422363 U CN 203422363U
- Authority
- CN
- China
- Prior art keywords
- gas
- housing
- port
- detecting instrument
- inner chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model provides a gas composition detection device. The gas composition detection device comprises a gas detection instrument, a shell and a gas suction device, wherein the gas detection instrument is arranged in the inner chamber of the shell; the gas suction device is communicated with the inner chamber of the shell; the gas suction device sucks gases from a space to be detected and transports the gases into the inner chamber of the shell for the gas detection instrument to detect. The gas composition detection device can solve the problem in the prior art that the gas composition detection device can not detect gases in spaces that the gas composition detection device can not enter into.
Description
Technical field
The utility model relates to gas detection technology field, relates in particular to a kind of gas componant pick-up unit.
Background technology
In field of gas detection, conventionally adopt gas detecting instrument to detect in a certain space the composition of the gas existing, gas detecting instrument generally includes for responding to the composition of gas and the gas sensor of content and for showing the display of testing result.In use, gas detecting instrument is placed in this space, by the diffusion motion of 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 region of this detecting instrument,, under coal mine, seal the space of coal body inside under body of wall inner space, coal mine, the gas detecting instrument of prior art cannot detect.
Utility model content
The utility model provides a kind of gas componant pick-up unit, the problem that cannot detect for the gas in himself unapproachable space to solve gas detecting instrument in prior art.
The utility model 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, on described the second port, be communicated with the second wireway.
Further, on described housing, comprise at least one transparent region, to watch the testing result showing on described gas detecting instrument.
The gas componant pick-up unit that the utility model provides, by getter device, from space to be detected, suck gas and input in the inner chamber of housing, 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model gas componant pick-up unit embodiment mono-;
Fig. 2 is the structural representation of the utility model gas componant pick-up unit embodiment bis-.
Embodiment
Fig. 1 is the structural representation of the utility model gas componant pick-up unit embodiment mono-, and 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.
Conventionally, gas detecting instrument 1 need to be positioned in the space at gas to be detected place when work, and 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 for gas to be detected, be positioned at the scene in gas detecting instrument 1 unapproachable space, 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, by the air admission hole of gas detecting instrument 1, enter the inside 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, and electronic circuit is 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 from space to be detected, to suck gas 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 showing on described gas detecting instrument 1.
The present embodiment, by getter device, from space to be detected, suck gas and input in the inner chamber of housing, 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.
Fig. 2 is the structural representation of the utility model gas componant pick-up unit embodiment bis-, as shown in Figure 2, the gas componant pick-up unit of the present embodiment is on basis embodiment illustrated in fig. 1, on described housing 2, be provided with pore 21, 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 is all 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 is 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 is 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 declines, 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 and 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 position flexible at the surrounding environment in space to be detected and 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 non-deformability rubber hose, to guarantee in the logical air-breathing process of the spheroid of air-breathing ball 31, described the first wireway 4 and the second wireway 5 are indeformable, thereby guarantee gas communication.
Further, on described housing 2, can comprise at least one transparent region 22, to watch the testing result showing 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 detect, 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 ideal conditions that gas detects is that the inner chamber of 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 detects 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 from space to be detected, to suck gas 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, from space to be detected, suck gas and input in the inner chamber of described housing 2.
Finally it should be noted that: each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit above; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
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 device described in claim 3 or 4, it is characterized in that, between described the first port and described pore, by the first wireway, be communicated with.
6. according to the device described in claim 3 or 4, it is characterized in that, on described the second port, be communicated with the second wireway.
7. according to the device described in any one in claim 1～4, it is characterized in that, on described housing, comprise at least one transparent region, to watch the testing result showing on described gas detecting instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320456458.9U CN203422363U (en) | 2013-07-29 | 2013-07-29 | Gas composition detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320456458.9U CN203422363U (en) | 2013-07-29 | 2013-07-29 | Gas composition detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422363U true CN203422363U (en) | 2014-02-05 |
Family
ID=50021458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320456458.9U Withdrawn - After Issue CN203422363U (en) | 2013-07-29 | 2013-07-29 | Gas composition detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203422363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424513A (en) * | 2013-07-29 | 2013-12-04 | 淮南矿业(集团)有限责任公司 | Gas component detecting device |
| CN105336256A (en) * | 2015-12-08 | 2016-02-17 | 重庆大学 | Sampling box for measuring and simulating nitrogen oxide in laboratory |
-
2013
- 2013-07-29 CN CN201320456458.9U patent/CN203422363U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424513A (en) * | 2013-07-29 | 2013-12-04 | 淮南矿业(集团)有限责任公司 | Gas component detecting device |
| CN103424513B (en) * | 2013-07-29 | 2016-02-03 | 淮南矿业(集团)有限责任公司 | Gas componant pick-up unit |
| CN105336256A (en) * | 2015-12-08 | 2016-02-17 | 重庆大学 | Sampling box for measuring and simulating nitrogen oxide in laboratory |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103424513B (en) | Gas componant pick-up unit | |
| CN204202952U (en) | A kind of portative gas sampler | |
| CN105531574B (en) | Air tightness test when film chamber is evacuated | |
| CN105392508B (en) | Breast pump unit | |
| TWI555973B (en) | Inspection system and inspection method | |
| CN203422363U (en) | Gas composition detection device | |
| CN208596014U (en) | It is a kind of to push vacuum leakage detection apparatus manually | |
| CN204202829U (en) | Ventilation unit tightness detector | |
| CN105548532A (en) | Blood gas test card, blood gas test instrument and test method | |
| CN209340158U (en) | Water pump air-tightness detection device with error-disable function | |
| CN206284385U (en) | Electronic cigarette | |
| CN106323700A (en) | Spring inner supporting self suction gas sampling device under ordinary pressure/negative pressure and application thereof | |
| CN204684822U (en) | For detecting the device of pulse bag type dust collector cloth bag breakage | |
| CN207866583U (en) | A kind of sample automatic acquisition device | |
| CN104162372B (en) | Gasometry mixture based on water-gas replacement technique and the fast carrying method of control and device | |
| CN203253018U (en) | Water accumulating device used for breathing tube | |
| CN103364156B (en) | Multi-usage air-tightness detection device | |
| CN111707621B (en) | Waste gas concentration detects quick-witted gas washing device for tunnel construction | |
| CN204640824U (en) | Vacuum pumping opening device | |
| CN105784431A (en) | Airtight chamber and method for balancing air pressure inside airtight chamber | |
| CN209198020U (en) | A kind of medical instrument detection device | |
| CN205655967U (en) | Novel airtightness detector | |
| CN207539635U (en) | A kind of urban natural gas leakage alarm | |
| CN208313925U (en) | A kind of combustible gas probe | |
| CN207570741U (en) | The detecting tool of the hermetic connector of new-energy automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140205 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |