CN107243364A - A kind of constant pressure environmental experiment cabin - Google Patents
A kind of constant pressure environmental experiment cabin Download PDFInfo
- Publication number
- CN107243364A CN107243364A CN201710494112.0A CN201710494112A CN107243364A CN 107243364 A CN107243364 A CN 107243364A CN 201710494112 A CN201710494112 A CN 201710494112A CN 107243364 A CN107243364 A CN 107243364A
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- nacelle
- gas
- cabin
- pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Control Of Fluid Pressure (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to environmental experiment technical field, more particularly to a kind of constant pressure environmental experiment cabin, including nacelle and pressure equalization module, pressure equalization module is located inside nacelle, and nacelle is provided with air intake and thief hatch, and pressure equalization module is connected with air intake.The nacelle of the present invention is built with experimental gas, and placement force balanced component in cabin, pressure equalization module is connected by air intake with ambient atmosphere, with the progress of experiment, when gathering the gas in nacelle by thief hatch, negative pressure is gradually formed in cabin, at this moment ambient pressure is more than air pressure in cabin, outside air is entered in the pressure equalization module in nacelle by air intake, keeps the stable gas pressure in cabin, gas concentration in nacelle is kept constant.The present invention can be substantially all for analyzing without influenceing sampling volume and gas concentration by gas in nacelle；The present invention can easily make the Standard Gases of stable and uniform；The present invention can be used for carrying out gas reaction experiment and detection is put into the release gas of thing.
Description
Technical field
The present invention relates to environmental experiment technical field, more particularly to a kind of constant pressure environmental experiment cabin.
Background technology
Current normal experiment, it is especially desirable to when sampling volume is less, is 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 influences larger to whole Laboratory Module.On the one hand, with adopting
Pressure slowly reduces in the progress of sample, cabin, and outside air can be entered in cabin by gap and influence experiment；On the other hand, such as
Fruit hatch checking sealing is in very well, in cabin integrally negative pressure, and 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.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is to solve existing Laboratory Module to carry out sampling experimental in the gas to its inside
When, 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 invention provides a kind of constant pressure environmental experiment cabin, including nacelle and pressure are put down
Weigh component, and the pressure equalization module is located inside the nacelle, and the nacelle is provided with air intake and thief hatch, the pressure
Dynamic balance component is connected 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, it is additionally provided with mixing fan in the nacelle.
Wherein, in addition to for regulating and controlling the control assembly of the nacelle internal environment.
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
The above-mentioned technical proposal of the present invention has the following advantages that：The nacelle in constant pressure environmental experiment cabin of the present invention is built with experiment
Required gas, and placement force balanced component in cabin, pressure equalization module are connected by air intake with ambient atmosphere, with
The progress of experiment, when gathering the gas in nacelle by thief hatch, gradually forms negative pressure, at this moment ambient pressure is more than cabin in cabin
Interior air pressure, outside air is entered in the pressure equalization module in nacelle by air intake, keeps the stable gas pressure in cabin, simultaneously
Gas concentration in nacelle is set to keep constant.Therefore the constant pressure environmental experiment cabin of the present invention can be used for gas in nacelle is substantially all
Analysis is without influenceing sampling volume and gas concentration；The constant temperature and humidity constant pressure environment in constant pressure environmental experiment cabin of the present invention can be with simultaneously
Easily make the Standard Gases of stable and uniform；And constant pressure environmental experiment cabin of the present invention can also be used for carrying out gas reaction experiment
The release gas of thing is put into detection.
Except it is described above present invention solves the technical problem that, constitute technical scheme technical characteristic and have this
Outside the advantage that the technical characteristic of a little technical schemes is brought, what other technical characteristics of the invention and these technical characteristics were brought
Advantage, will be further illustrated with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation in constant pressure environmental experiment of embodiment of the present invention cabin；
Fig. 2 is structural representation of the constant pressure environmental experiment cabin of the embodiment of the present invention under the non-sample states of gas；
Fig. 3 is structural representation of constant pressure environmental experiment of the embodiment of the present invention cabin in gas sampling process；
Fig. 4 is that constant pressure environmental experiment cabin of the embodiment of the present invention 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
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In addition, in the description of the invention, unless otherwise indicated, " multiple ", " many ", " multigroup " be meant that two or
Two or more, " several ", " some ", " some groups " are meant that one or more.
As shown in figure 1, constant pressure environmental experiment cabin provided in an embodiment of the present invention, including nacelle 1 and pressure equalization module 2,
Pressure equalization module 2 is located inside nacelle 1, and nacelle 1 is provided with air intake 11 and thief hatch 12, pressure equalization module 2 and sky
Gas entrance 11 is connected.
The nacelle in constant pressure environmental experiment cabin of the present invention is built with gas needed for experiment, and placement force balanced component in cabin,
Pressure equalization module is connected by air intake with ambient atmosphere, with the progress of experiment, when gathering nacelle by thief hatch
During interior gas, negative pressure is gradually formed in cabin, at this moment ambient pressure is more than air pressure in cabin, outside air enters cabin by air intake
In internal pressure equalization module, the stable gas pressure in cabin is kept, while making gas concentration in nacelle keep constant.Therefore this hair
Bright constant pressure environmental experiment cabin can be substantially all for analyzing without influenceing sampling volume and gas concentration by gas in nacelle；Together
When the present invention the constant-temperature constant-humidity environment in constant pressure environmental experiment cabin can easily make the Standard Gases of stable and uniform；And this
Invention 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.
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 is just 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, the corresponding liquid injection rate of control is
The controllable gas concentration produced, available for subsequent experimental.
Specifically, being additionally provided with mixing fan 15 in nacelle 1.Set in nacelle and mix fan, agitate the gas in cabin to flow
Mixing, mixes the gas in nacelle.
Wherein, constant pressure environmental experiment cabin of the present invention also includes being used to regulate and control the control assembly 3 of the internal environment of nacelle 1.Operation
Personnel can be by the internal environment of control assembly real-time monitoring Laboratory Module nacelle, including the environmental factor such as temperature, humidity passes through
The detecting elements such as temperature and relative humidity and corresponding Temperature and Humidity Control element regulation nacelle internal environment, make the present invention ensure it
The constant temperature and humidity of nacelle environment under experimental conditions, control assembly is arranged on the side of nacelle, control cabinet by control cabinet and set
There is control panel 31, facilitate operating personnel to work.
Further, pressure equalization module 2 is collection airbag, and the opening of collection airbag is arranged on air intake 11.Such as Fig. 2,
Shown in Fig. 3, Fig. 4, collection airbag is empty bag during gassy 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.The pressure balance of the present invention
Bag requires do 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 completes to extract to after nacelle fluid injection, colloid
Sealing gasket can still play sealing function.
In summary, the nacelle in constant pressure environmental experiment cabin of the present invention is built with gas, and placement force in cabin needed for experiment
Balanced component, pressure equalization module is connected by air intake with ambient atmosphere, with the progress of experiment, when passing through thief hatch
When gathering the gas in nacelle, negative pressure is gradually formed in cabin, at this moment ambient pressure is more than air pressure in cabin, outside air passes through air
Entrance enters in the pressure equalization module in nacelle, keeps the stable gas pressure in cabin, while making gas concentration in nacelle keep not
Become.Therefore the present invention constant pressure environmental experiment cabin can by gas in nacelle it is substantially all be used for analyze without influence sampling volume and
Gas concentration；The constant-temperature constant-humidity environment in constant pressure environmental experiment cabin of the present invention can easily make the standard of stable and uniform simultaneously
Gas；And constant pressure environmental experiment cabin of the present invention 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：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (7)
1. a kind of 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 |
|---|---|---|---|
| CN201710494112.0A CN107243364A (en) | 2017-06-26 | 2017-06-26 | A kind of constant pressure environmental experiment cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494112.0A CN107243364A (en) | 2017-06-26 | 2017-06-26 | A kind of constant pressure environmental experiment cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107243364A true CN107243364A (en) | 2017-10-13 |
Family
ID=60013568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494112.0A Pending CN107243364A (en) | 2017-06-26 | 2017-06-26 | A kind of constant pressure environmental experiment cabin |
Country Status (1)
| Country | Link |
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| CN (1) | CN107243364A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169416A (en) * | 2017-12-08 | 2018-06-15 | 广州广电计量检测股份有限公司 | A kind of Odor Evaluations device and method |
| CN109655587A (en) * | 2019-01-28 | 2019-04-19 | 河海大学 | A kind of system of on-line determination localized irrigation Soil Trace Gases |
| CN110274799A (en) * | 2019-06-20 | 2019-09-24 | 神龙汽车有限公司 | The discharge vaporization test device and test method of auto parts and components |
| CN112718035A (en) * | 2020-12-11 | 2021-04-30 | 广东艾斯瑞仪器科技有限公司 | Constant temperature and humidity test box |
| CN113189263A (en) * | 2021-04-02 | 2021-07-30 | 山东省科学院海洋仪器仪表研究所 | Pressure balancing device and method for marine wet chemical instrument cabin |
| CN113966732A (en) * | 2021-10-18 | 2022-01-25 | 上海坤祐技术服务有限公司 | Device for improving sulfuryl fluoride airtight fumigation effect and using method thereof |
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| CN87205055U (en) * | 1987-05-30 | 1988-04-13 | 邱世敏 | Reactor of keeping in all poisonous substance |
| US5700695A (en) * | 1994-06-30 | 1997-12-23 | Zia Yassinzadeh | Sample collection and manipulation method |
| US20100304658A1 (en) * | 2006-04-14 | 2010-12-02 | Vladimir Grcevic | Mobile laboratory for analysis of pathogenic agents |
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| CN202860554U (en) * | 2012-10-18 | 2013-04-10 | 陕西正凡科技发展有限公司 | Small-scale plateau environment simulation cabin |
| CN105182889A (en) * | 2015-08-07 | 2015-12-23 | 深圳市西宝船舶电子有限公司 | Multifunctional environment simulation cabin |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169416A (en) * | 2017-12-08 | 2018-06-15 | 广州广电计量检测股份有限公司 | A kind of Odor Evaluations device and method |
| CN109655587A (en) * | 2019-01-28 | 2019-04-19 | 河海大学 | A kind of system of on-line determination localized irrigation Soil Trace Gases |
| CN110274799A (en) * | 2019-06-20 | 2019-09-24 | 神龙汽车有限公司 | The discharge vaporization test device and test method of auto parts and components |
| CN112718035A (en) * | 2020-12-11 | 2021-04-30 | 广东艾斯瑞仪器科技有限公司 | Constant temperature and humidity test box |
| CN112718035B (en) * | 2020-12-11 | 2022-06-21 | 广东艾斯瑞仪器科技有限公司 | Constant temperature and humidity test box |
| CN113189263A (en) * | 2021-04-02 | 2021-07-30 | 山东省科学院海洋仪器仪表研究所 | Pressure balancing device and method for marine wet chemical instrument cabin |
| CN113966732A (en) * | 2021-10-18 | 2022-01-25 | 上海坤祐技术服务有限公司 | Device for improving sulfuryl fluoride airtight fumigation effect and using method thereof |
| CN113966732B (en) * | 2021-10-18 | 2023-02-17 | 上海坤祐技术服务有限公司 | Device for improving sulfuryl fluoride closed fumigation effect and using method thereof |
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Address after: No.55 Taoranting Road, Xicheng District, Beijing 100032 Applicant after: Institute of urban safety and environmental science, Beijing Academy of science and technology Address before: 55 Taoranting Road, Xicheng District, Beijing 100054 Applicant before: BEIJING MUNICIPAL INSTITUTE OF LABOUR PROTECTION |