CN207056588U - A kind of constant pressure environmental experiment cabin - Google Patents
A kind of constant pressure environmental experiment cabin Download PDFInfo
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- CN207056588U CN207056588U CN201720748811.9U CN201720748811U CN207056588U CN 207056588 U CN207056588 U CN 207056588U CN 201720748811 U CN201720748811 U CN 201720748811U CN 207056588 U CN207056588 U CN 207056588U
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Abstract
Environmental experiment technical field, more particularly to a kind of constant pressure environmental experiment cabin are the utility model is related to, including nacelle and pressure equalization module, pressure equalization module are located inside nacelle, nacelle is provided with air intake and thief hatch, and pressure equalization module connects with air intake.Nacelle of the present utility model is built with experimental gas, and placement force balanced component in cabin, pressure equalization module is connected by air intake with ambient atmosphere, when gathering the gas in nacelle by thief hatch, negative pressure is gradually formed in cabin, ambient pressure is more than air pressure in cabin, and outside air is entered in the pressure equalization module in nacelle by air intake, the stable gas pressure in cabin is kept, gas concentration in nacelle is kept constant.Therefore the utility model can be substantially all for analyzing without influenceing sampling volume and gas concentration by gas in nacelle；The utility model can easily make the Standard Gases of stable and uniform；The utility model is used to carry out gas reaction experiment and detection is put into the release gas of thing.
Description
Technical field
It the utility model is related to environmental experiment technical field, more particularly to a kind of constant pressure environmental experiment cabin.
Background technology
Normal experiment at present, it is especially desirable to when sampling volume is less, do not applied to using the environmental experiment cabin of large volume, and
Waste of resource.Therefore general sampling minienvironment cabin, such as 60L, 1m3。
When using small test cabin, sampling volume during experiment has a great influence to whole Laboratory Module.On the one hand, with adopting
The progress of sample, pressure slowly reduces in cabin, and outside air can be entered in cabin by gap to influence to test；On the other hand, such as
Fruit hatch checking sealing is fine, is in integrally negative pressure in cabin, the sampled pressure of sampling pump needs to improve, and at this moment sampling volume shows
Indicating value is inaccurate.Therefore, existing minienvironment Laboratory Module is inapplicable with similar sampling experimental, and existing environmental experiment cabin
It is difficult to prepare certain density calibrating gas, the gas concentration of preparation is inaccurate or uneven.
Utility model content
(1) technical problems to be solved
The technical problems to be solved in the utility model is that solve existing Laboratory Module to sample in the gas to its inside
During experiment, the problem of easily making to form negative pressure in cabin, and influence internal gas concentration.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of constant pressure environmental experiment cabin, including nacelle and pressure
Dynamic balance component, the pressure equalization module are located inside the nacelle, and the nacelle is provided with air intake and thief hatch, institute
Pressure equalization module is stated to connect with the air intake.
Wherein, the bottom of the nacelle is provided with gas inlet.
Wherein, the top of the nacelle is provided with liquid injection port.
Wherein, mixing fan is additionally provided with the nacelle.
Wherein, in addition to for regulate and control the nacelle internal environment control assembly.
Wherein, the pressure equalization module is collection airbag, and the opening of the collection airbag is arranged on the air intake.
Wherein, it is equipped with valve on the air intake, the gas inlet, the liquid injection port and the thief hatch
Door.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model has the following advantages that：In the nacelle in the utility model constant pressure environmental experiment cabin
Equipped with gas needed for experiment, and placement force balanced component in cabin, pressure equalization module pass through air intake and ambient atmosphere phase
Connection, with the progress of experiment, when gathering the gas in nacelle by thief hatch, negative pressure is gradually formed in cabin, it is at this moment extraneous
Air pressure is more than air pressure in cabin, and outside air is entered in the pressure equalization module in nacelle by air intake, keeps the gas in cabin
Pressure is stable, while gas concentration in nacelle is kept constant.Therefore constant pressure environmental experiment cabin of the present utility model can be by nacelle
Gas is substantially all to be used to analyze without influenceing sampling volume and gas concentration；While the utility model constant pressure environmental experiment cabin
Constant temperature and humidity constant pressure environment can easily make the Standard Gases of stable and uniform；And the utility model constant pressure environmental experiment cabin
It can also be used for carrying out gas reaction experiment and detection be put into the release gas of thing.
Except the utility model described above solve technical problem, form technical scheme technical characteristic and
Have outside advantage caused by the technical characteristic of these technical schemes, other technical characteristics of the present utility model and these technologies are special
The advantages of sign is brought, will further illustrate with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation in the utility model embodiment constant pressure environmental experiment cabin；
Fig. 2 is structural representation of the utility model embodiment constant pressure environmental experiment cabin under the non-sample states of gas；
Fig. 3 is structural representation of the utility model embodiment constant pressure environmental experiment cabin in gas sampling process；
Fig. 4 is that the utility model embodiment constant pressure environmental experiment cabin almost collects the structural representation under state in gas.
In figure：1：Nacelle；2：Pressure equalization module；3：Control assembly；11：Air intake；12：Thief hatch；13：Gas is noted
Entrance；14：Liquid injection port；15：Mix fan；31：Control panel.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is part of the embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, in description of the present utility model, unless otherwise indicated, " multiple ", " more ", " multigroup " are meant that two
Individual or two or more, " several ", " some ", " some groups " are meant that one or more.
As shown in figure 1, the constant pressure environmental experiment cabin that the utility model embodiment provides, including nacelle 1 and pressure balance group
Part 2, pressure equalization module 2 are located inside nacelle 1, and nacelle 1 is provided with air intake 11 and thief hatch 12, pressure equalization module 2
Connected with air intake 11.
The nacelle in the utility model constant pressure environmental experiment cabin is built with gas needed for experiment, and placement force balance group in cabin
Part, pressure equalization module are connected by air intake with ambient atmosphere, with the progress of experiment, when gathering cabin by thief hatch
During internal gas, negative pressure is gradually formed in cabin, at this moment ambient pressure is more than air pressure in cabin, and outside air is entered by air intake
In pressure equalization module in nacelle, the stable gas pressure in cabin is kept, while gas concentration in nacelle is kept constant.Therefore originally
The constant pressure environmental experiment cabin of utility model can be substantially all for analyzing without influenceing sampling volume and gas by gas in nacelle
Concentration；The constant-temperature constant-humidity environment in constant pressure environmental experiment cabin of the present utility model can easily make the mark of stable and uniform simultaneously
Quasi- gas；And the utility model constant pressure environmental experiment cabin can also be used for carrying out gas reaction experiment and detection is put into the release gas of thing
Body.
Wherein, the bottom of nacelle 1 is provided with gas inlet 13.Gas inlet is used to be passed through into nacelle needed for experiment
Gas, in manufacturer's standard gas, standard gas cylinder is connected with the gas inlet of Laboratory Module nacelle, using sampling pump from will pressure
Gas in dynamic balance component is extracted out, while gas will be entered in Laboratory Module in steel cylinder.When gas quilt in pressure balance bag
When exhausting, calibrating gas just is full of in Laboratory Module, available for subsequent experimental.
Wherein, the top of nacelle 1 is provided with liquid injection port 14.Required experimental gas can also be produced by liquid gasification,
Liquid is injected by the liquid injection port of nacelle, liquid gasifies in the nacelle of Laboratory Module, controls corresponding liquid injection rate i.e.
Gas concentration caused by controllable, available for subsequent experimental.
Fan 15 is mixed specifically, being additionally provided with nacelle 1.Set in nacelle and mix fan, agitate the gas in cabin to flow
Mixing, mix the gas in nacelle.
Wherein, the utility model constant pressure environmental experiment cabin also includes the control assembly 3 for being used to regulate and control the internal environment of nacelle 1.
Operating personnel can be led to by the internal environment of control assembly real-time monitoring Laboratory Module nacelle, including the environmental factor such as temperature, humidity
The detecting elements such as temperature and relative humidity and corresponding Temperature and Humidity Control element regulation nacelle internal environment are crossed, makes the utility model
Ensure its constant temperature and humidity of nacelle environment under experimental conditions, control assembly is arranged at the side of nacelle by control cabinet, control
Case is provided with control panel 31, facilitates operating personnel to work.
Further, for collection airbag, the opening for collecting airbag is arranged on air intake 11 pressure equalization module 2.As Fig. 2,
Shown in Fig. 3, Fig. 4, collection airbag during gassy is empty bag in nacelle, the gas in cabin is completely drawn out, at this moment pressure balance
Bag gassy does not almost have residual gas in Laboratory Module close to the volume of whole Laboratory Module nacelle.Pressure of the present utility model
Balance bag requirement does not have adsorptivity or adsorptivity very little to gas, and does not possess elasticity.
Wherein, it is equipped with valve on air intake 11, gas inlet 13, liquid injection port 14 and thief hatch 12.Air
Entrance, gas inlet, liquid injection port and thief hatch are opened and closed by Valve controlling, and apparatus structure is simple, easy to operate, liquid
Body inlet may also be configured to colloid form of packers, and fluid injection syringe needle insertion sealing gasket is completed to extract after to nacelle fluid injection, colloid
Sealing gasket can still play sealing function.
In summary, the nacelle in the utility model constant pressure environmental experiment cabin is built with gas needed for experiment, and is placed in cabin
Pressure equalization module, pressure equalization module are connected by air intake with ambient atmosphere, with the progress of experiment, when by adopting
When sample mouth gathers the gas in nacelle, negative pressure is gradually formed in cabin, at this moment ambient pressure is more than air pressure in cabin, and outside air passes through
Air intake enters in the pressure equalization module in nacelle, keeps the stable gas pressure in cabin, while protects gas concentration in nacelle
Hold constant.Therefore constant pressure environmental experiment cabin of the present utility model can be substantially all for analyzing without influenceing to adopt by gas in nacelle
Sample volume and gas concentration；The constant-temperature constant-humidity environment in the utility model constant pressure environmental experiment cabin can easily make surely simultaneously
Fixed uniform Standard Gases；And the utility model constant pressure environmental experiment cabin can also be used for carrying out gas reaction experiment and detection is put into
The release gas of thing.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (7)
- A kind of 1. constant pressure environmental experiment cabin, it is characterised in that：Including nacelle and pressure equalization module, the pressure equalization module position Inside the nacelle, the nacelle is provided with air intake and thief hatch, the pressure equalization module and the air intake Connection.
- 2. constant pressure environmental experiment cabin according to claim 1, it is characterised in that：The bottom of the nacelle is injected provided with gas Mouthful.
- 3. constant pressure environmental experiment cabin according to claim 2, it is characterised in that：The top of the nacelle is injected provided with liquid Mouthful.
- 4. constant pressure environmental experiment cabin according to claim 1, it is characterised in that：Mixing fan is additionally provided with the nacelle.
- 5. constant pressure environmental experiment cabin according to claim 1, it is characterised in that：Also include being used to regulate and control inside the nacelle The control assembly of environment.
- 6. constant pressure environmental experiment cabin according to claim 1, it is characterised in that：The pressure equalization module is collection airbag, The opening of the collection airbag is arranged on the air intake.
- 7. constant pressure environmental experiment cabin according to claim 3, it is characterised in that：The air intake, gas injection Valve is equipped with mouth, the liquid injection port and the thief hatch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748811.9U CN207056588U (en) | 2017-06-26 | 2017-06-26 | A kind of constant pressure environmental experiment cabin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748811.9U CN207056588U (en) | 2017-06-26 | 2017-06-26 | A kind of constant pressure environmental experiment cabin |
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| Publication Number | Publication Date |
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| CN207056588U true CN207056588U (en) | 2018-03-02 |
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| CN201720748811.9U Active CN207056588U (en) | 2017-06-26 | 2017-06-26 | A kind of constant pressure environmental experiment cabin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243364A (en) * | 2017-06-26 | 2017-10-13 | 北京市劳动保护科学研究所 | A kind of constant pressure environmental experiment cabin |
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2017
- 2017-06-26 CN CN201720748811.9U patent/CN207056588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243364A (en) * | 2017-06-26 | 2017-10-13 | 北京市劳动保护科学研究所 | A kind of constant pressure environmental experiment cabin |
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