CN209379011U - A kind of experimental box for simulating low-temp low-pressure environment - Google Patents
A kind of experimental box for simulating low-temp low-pressure environment Download PDFInfo
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- CN209379011U CN209379011U CN201821918874.5U CN201821918874U CN209379011U CN 209379011 U CN209379011 U CN 209379011U CN 201821918874 U CN201821918874 U CN 201821918874U CN 209379011 U CN209379011 U CN 209379011U
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Abstract
The utility model discloses a kind of experimental boxs for simulating low-temp low-pressure environment, including cabinet, further include the airdrying tower for being tightly connected cabinet, the oil pump for being tightly connected airdrying tower, are arranged in the intracorporal cooling cycle system of case；Cabinet include the experiment chamber on top, lower part installation cavity and be mounted on experiment chamber and installation cavity side control cabinet；Experiment chamber is closed structure, and a side wall for testing chamber is equipped with visual window, and one layer of heat preservation cotton is equipped on the inner wall of experiment chamber；Display panel is installed on control cabinet, thermometer and pressure gauge are installed on display panel；It is equipped with switch panel below display panel, control panel is equipped with below switch panel.The environmental condition of the accurate simulation cold district of present apparatus energy, realizes the building material engineering Quality Research under low-temp low-pressure reciprocation, provides theories integration for cold area's infrastructure in China.
Description
Technical field
The utility model belongs to experiment equipment field, and in particular to a kind of experimental box for simulating low-temp low-pressure environment.
Background technique
During the infrastructure construction of cold district, as caused by the transformation of High aititude, high latitude or seasonal variations
Low temperature, and the low pressure as caused by High aititude will directly affect the engineering properties of construction material.Currently, flexible due to lacking
Operation, the environmental cabinet that low temperature and lower pressure can be met simultaneously, it is difficult to accurately study the low-temp low-pressure environment pair of cold district
The influence of building material engineering property.
Summary of the invention
For the defects in the prior art and insufficient, the utility model provides a kind of experiment for simulating low-temp low-pressure environment
Case overcomes the defect for lacking flexible operation, the environmental cabinet that can meet low temperature and lower pressure simultaneously in the prior art.
In order to achieve the above objectives, the utility model takes the following technical solution:
A kind of experimental box for simulating low-temp low-pressure environment, including cabinet, further include be tightly connected the cabinet air it is dry
Dry tower, is arranged in the intracorporal cooling cycle system of case the oil pump for being tightly connected the airdrying tower；
The cabinet include the experiment chamber on top, lower part installation cavity and be mounted on experiment chamber and installation cavity side control
Cabinet；
The experiment chamber is closed structure, and a side wall for testing chamber is equipped with visual window, on the inner wall of experiment chamber
Equipped with one layer of heat preservation cotton；
Display panel is installed on the control cabinet, thermometer and pressure gauge are installed on display panel；In display panel
Lower section is equipped with switch panel, and control panel is equipped with below switch panel；
The cooling cycle system includes the evaporator for successively sealing connection, compressor, condenser and throttling set；Evaporation
Device be mounted on it is described experiment it is intracavitary, compressor, condenser and throttling set are mounted in the installation cavity.
The utility model further includes following technical characteristic:
Optionally, the experiment is intracavitary is equipped with specimen holder, and the both ends of the specimen holder by card slot and are mounted on experiment
Hanging strip connection on the inner wall of chamber.
Optionally, the airdrying tower include drying tower ontology, set on drying tower body lower part air inlet, be set to it is dry
The gas outlet of dry tower body upper part and it is placed on the intrinsic discoloration silica gel of drying tower；
The side wall of the experiment chamber offers instrument connection, and sealing is communicated with pressure pipe between the instrument connection and air inlet；
The gas outlet is connected to the oil pump by seal for pipe joints.
Optionally, the bottom of box is equipped with universal wheel, to mobile box.
Optionally, the visual window is equipped with handle, for switching visual window.
Compared with prior art, beneficial has the technical effect that the utility model
(I) experimental box of the utility model can provide different low-temp low-pressure conditions simultaneously, solve traditional technology only
The drawbacks of unitary variant can be studied, the environmental condition of the accurate simulation cold district of present apparatus energy are realized in low-temp low-pressure interaction
Act on lower building material engineering Quality Research, in the experimental box of more accurate comprehensive simulated cold district, more accurate mould
The engineering properties of construction material, service life etc. are drawn up, provides theories integration for cold area's infrastructure in China.
(II) frame structure of the experimental box of the utility model, cabinet and inner body are all to be detachably connected, and safely may be used
Lean on, structure is simple, easy to maintain, and bottom is equipped with universal wheel, conveniently moving, can unrestricted choice solution space tested.
(III) the small test case for indoor simulation low-temp low-pressure environment of the utility model can help us more clear
Understand to Chu the Construction material characteristics and its physics, mechanical property under low temperature, lower pressure.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the box structure diagram of the utility model.
Each label indicates in figure are as follows: 1- cabinet, 2- airdrying tower, and 3- oil pump, 4- cooling cycle system, 5- pressure pipe,
6- universal wheel；
11- tests chamber, 12- installation cavity, 13- control cabinet；
111- visual window, 112- heat-preservation cotton, 113- specimen holder, 114- hanging strip, 115- instrument connection, 116- handle；
131- display panel, 132- switch panel, 133- control panel；
21- drying tower ontology, 22- air inlet, the gas outlet 23-, 24- discoloration silica gel；
41- evaporator, 42- compressor, 43- condenser, 44- throttling set.
Specific embodiment
In compliance with the above technical solution, specific embodiment of the utility model is given below, it should be noted that this is practical new
Type is not limited to following specific embodiments, and it is practical new that all equivalent transformations made on the basis of the technical solutions of the present application each falls within this
The protection scope of type.The utility model is described in further details below with reference to embodiment.
Embodiment 1:
As shown in Fig. 1 to 2, the present embodiment provides a kind of experimental boxs for simulating low-temp low-pressure environment, including cabinet 1, also wrap
The airdrying tower 2 for being tightly connected cabinet 1, the oil pump 3 of sealed connection airdrying tower 2, the refrigeration being arranged in cabinet 1 is included to follow
Loop system 4；It the experiment chamber 11 of cabinet 1 including top, the installation cavity 12 of lower part and is mounted on and tests chamber 11 and 12 side of installation cavity
Control cabinet 13；Experiment chamber 11 is closed structure, and a side wall for testing chamber 11 is equipped with visual window 111, to observe sample
The variation of product is equipped with one layer of heat preservation cotton 112 on the inner wall of experiment chamber 11, between 11 inside of isolation experiment chamber and environment
Heat exchange；Display panel 131 is installed on control cabinet 13, thermometer and pressure gauge are installed on display panel 131, to show
Test the real time temperature and pressure value in chamber 11；Switch panel 132 is equipped with below display panel 131, under switch panel 132
Side is equipped with control panel 133, to control experiment parameter；Cooling cycle system 4 includes the evaporator 41 for successively sealing connection, pressure
Contracting machine 42, condenser 43 and throttling set 44；Evaporator 41 is mounted in experiment chamber 11, compressor 42, condenser 43 and throttling
Device 44 is mounted in installation cavity 12.Through the above technical solutions, the gas in chamber 11 can will be tested when starting oil pump 3
To obtain environment under low pressure, the gas of extraction is discharged after being dried by airdrying tower 2 for extraction；Compressor 42 is system
In sucked by the low temperature low pressure gas of 41 heat exchange of evaporator, pressure high temperature hot gas is become by compression, then via pipeline
It is transported in condenser 43 liquid for becoming medium temperature high pressure, then the liquid of medium temperature high pressure is sent to by throttling set 44 by pipeline,
At this moment the gas-liquid for having become low-temp low-pressure mixes body and enters back into the heat that the inner evaporation of evaporator 41 absorbs surrounding, circulation continuous in this way
Heat exchange completes entire process of refrigerastion.
In the present embodiment, it tests and specimen holder 113 is installed in chamber 11, the both ends of specimen holder 113 pass through card slot and installation
Experiment chamber 11 inner wall on hanging strip 114 connect, to by sample be placed on experiment chamber 11 in low-temp low-pressure environment in into
Row experiment, and height of the specimen holder 114 in hanging strip 114 can be adjusted according to height of specimen.
Specifically, airdrying tower 2 include drying tower ontology 21, set on 21 lower part of drying tower ontology air inlet 22, set
Gas outlet 23 in 21 top of drying tower ontology and the discoloration silica gel 24 that is placed in drying tower ontology 21, discoloration silica gel 24 to
The dry gas being drawn onto from experiment chamber 11, to prevent gas liquefaction adverse current and damage experimental facilities.Test the side wall of chamber 11
Instrument connection 115 is offered, sealing is communicated with pressure pipe 5 between instrument connection 115 and air inlet 22；Gas outlet 23 passes through seal for pipe joints
It is connected to oil pump 3, when starting oil pump 3, the gas extraction tested in chamber 11 can be obtained to environment under low pressure, the gas of extraction is logical
It crosses after airdrying tower 2 is dried and is discharged.
As a preferred embodiment, 1 bottom of cabinet is equipped with universal wheel 6, to mobile box 1.
Visual window 111 is equipped with handle 116, for switching visual 111 window.
In the present embodiment, it is provided with oil ga(u)ge on the side wall of oil pump 3, needs to check oil level before use, to be infused when termination of pumping
Oil to oil ga(u)ge center is advisable.
The application method of the utility model is as follows:
Step 1: opening experiment chamber 11, the sample made be put on specimen holder 113, adjusts sample according to height of specimen
Height of the frame 114 in hanging strip 114.
Step 2: turning on the switch the power switch on panel 132, and target temperature and air pressure are set on control panel 133.
Step 3: starting oil pump 3 and compressor 42, by real time temperature in 131 observation experiment chamber 11 of display panel and
Air pressure.
Step 4: after reaching target temperature and air pressure, oil pump 3 and compressor 42, maintenance to regulation age are closed.
Step 5: after experiment, sample is taken out, closes power supply, and cleaned out specimen holder 113 with clear water.
Claims (5)
1. a kind of experimental box for simulating low-temp low-pressure environment, including cabinet (1), which is characterized in that further include described in sealed connection
The airdrying tower (2) of cabinet (1), the oil pump (3) for being tightly connected the airdrying tower (2), the system being arranged in cabinet (1)
SAPMAC method system (4)；
The cabinet (1) include the experiment chamber (11) on top, lower part installation cavity (12) and be mounted on experiment chamber (11) and install
The control cabinet (13) of chamber (12) side；
The experiment chamber (11) is closed structure, and a side wall for testing chamber (11) is equipped with visual window (111), in experiment chamber
(11) inner wall is equipped with one layer of heat preservation cotton (112)；
It is equipped with display panel (131) on the control cabinet (13), display panel is equipped with thermometer and pressure gauge on (131)；
Switch panel (132) are equipped with below display panel (131), are equipped with control panel (133) below switch panel (132)；
The cooling cycle system (4) includes the evaporator (41) for successively sealing connection, compressor (42), condenser (43) and section
It flows device (44)；Evaporator (41) is mounted in the experiment chamber (11), compressor (42), condenser (43) and throttling set
(44) it is mounted in the installation cavity (12).
2. the experimental box of simulation low-temp low-pressure environment as described in claim 1, which is characterized in that peace in the experiment chamber (11)
Equipped with specimen holder (113), the both ends of the specimen holder (113) pass through card slot and the hanging strip being mounted on the inner wall for testing chamber (11)
(114) it connects.
3. the experimental box of simulation low-temp low-pressure environment as described in claim 1, which is characterized in that the airdrying tower (2)
Including drying tower ontology (21), be set to drying tower ontology (21) lower part air inlet (22), be set to drying tower ontology (21) top
Gas outlet (23) and the discoloration silica gel (24) that is placed in drying tower ontology (21)；
The side wall of experiment chamber (11) offers instrument connection (115), seals between the instrument connection (115) and air inlet (22)
It is communicated with pressure pipe (5)；
The gas outlet (23) is connected to the oil pump (3) by seal for pipe joints.
4. the experimental box of simulation low-temp low-pressure environment as described in claim 1, which is characterized in that cabinet (1) bottom is set
There are universal wheel (6), to mobile box (1).
5. the experimental box of simulation low-temp low-pressure environment as described in claim 1, which is characterized in that on the visual window (111)
Equipped with handle (116), for switching visual window (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918874.5U CN209379011U (en) | 2018-11-20 | 2018-11-20 | A kind of experimental box for simulating low-temp low-pressure environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918874.5U CN209379011U (en) | 2018-11-20 | 2018-11-20 | A kind of experimental box for simulating low-temp low-pressure environment |
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| Publication Number | Publication Date |
|---|---|
| CN209379011U true CN209379011U (en) | 2019-09-13 |
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ID=67865112
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821918874.5U Active CN209379011U (en) | 2018-11-20 | 2018-11-20 | A kind of experimental box for simulating low-temp low-pressure environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111795A (en) * | 2019-12-17 | 2020-05-08 | 中国安全生产科学研究院 | Experiment cabin assembly |
| CN112228375A (en) * | 2020-08-28 | 2021-01-15 | 江苏久高电子科技有限公司 | High low temperature low pressure fan performance detection case of security |
-
2018
- 2018-11-20 CN CN201821918874.5U patent/CN209379011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111795A (en) * | 2019-12-17 | 2020-05-08 | 中国安全生产科学研究院 | Experiment cabin assembly |
| CN112228375A (en) * | 2020-08-28 | 2021-01-15 | 江苏久高电子科技有限公司 | High low temperature low pressure fan performance detection case of security |
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