CN206020420U - A kind of frozen soil experiment device of combination temp gradient - Google Patents
A kind of frozen soil experiment device of combination temp gradient Download PDFInfo
- Publication number
- CN206020420U CN206020420U CN201621051896.7U CN201621051896U CN206020420U CN 206020420 U CN206020420 U CN 206020420U CN 201621051896 U CN201621051896 U CN 201621051896U CN 206020420 U CN206020420 U CN 206020420U
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- frozen soil
- sample cylinder
- sample
- experiment device
- combination temp
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
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Abstract
The utility model discloses a kind of frozen soil experiment device of combination temp gradient, including testing casing, sample cylinder, cold air pump and control centre, sample cylinder is arranged at the within the chamber of test casing, and the cavity bottom central authorities of test casing are fixedly installed a support block, sample cylinder is fixedly installed in support block, is used for placing frozen soil sample in sample cylinder;Test casing includes that top cover and test box main body, top cover are snapped connection with test box main body, arranges air inlet on top cover, and the bottom for testing box main body is provided with air outlet;If being plugged with dried layer wind deflector on the outer wall of sample cylinder, cold air pump is electrically connected with control centre.In this utility model, being provided with for wind deflector is beneficial to carry out conduction cooling wind to frozen soil sample, makes frozen soil sample quickly realize the regulation of temperature;And the top-down diameter of wind deflector gradually decrease and SAPMAC method pipe in top-down being circulated of refrigerant agent enable guarantee frozen soil sample time gradual temperature change, it is easier to realize combination temp gradient.
Description
Technical field
This utility model is related to a kind of device for carrying out thermograde test to frozen soil, more particularly to a kind of combination temp
The frozen soil experiment device of gradient.
Background technology
In frozen soils structure, temperature field may be regarded as the combination of multiple thermogrades on frozen soil space scale, but due to frozen soil in
In non-uniform Distribution, frozen soil sample local deformation distribution pattern with non-linear, made on time and space scale thermograde
Research worker is obtained in the research experiment to frozen soil, it is impossible to easily carry out thermograde and change property and state to frozen soil
Experiment and observation, it is more difficult to be combined in thermograde the research to frozen soil change field and its Evolution.
Therefore, for cyopedology person, a kind of combination temp gradient experiment device suitable for ever-frozen ground is developed,
Become the demand in current cyopedology field.
Utility model content
The purpose of this utility model is to provide a kind of frozen soil experiment device of combination temp gradient, to solve above-mentioned existing skill
The problem that art is present, enables the experimental provision to realize the regulation of the combination temp gradient to frozen soil, and makes its thermograde
Substantially, mode of operation is easy for effect, and controllability is good.
For achieving the above object, this utility model provides following scheme:This utility model provides a kind of combination temp ladder
The frozen soil experiment device of degree, it is characterised in that:Including testing casing, sample cylinder, cold air pump and control centre, the sample cylinder sets
The within the chamber of the test casing is placed in, and the cavity bottom central authorities of the test casing are fixedly installed a support block, described
Sample cylinder is fixedly installed in the support block, is used for placing frozen soil sample in the sample cylinder;The test casing includes pushing up
Lid and test box main body, the top cover are snapped connection with the test box main body, are provided with least one air intake on the top cover
Mouthful, the bottom sides of the test box main body offer at least one air outlet, and the cold air pump is used for blowing air inlet;Institute
If stating, the cold air pump is electrically connected with the control centre.
Optionally, a pressurization lid is provided with the top of the sample cylinder, and the pressurization lid is used for entering the frozen soil sample
Row pressurization, the pressurization lid top are fixedly installed a connecting rod, and the connecting rod stretches out the top of the test casing
Lid.
Optionally, on the wind deflector outer wall for being plugged on the sample cylinder in disk form, top-down adjacent two
The diameter of the layer wind deflector successively decreases successively.
Optionally, temperature sensor is provided between each layer wind deflector, the temperature sensor and the control
Center electrically connects.
Optionally, the sample cylinder lateral surface is further fixedly arranged on SAPMAC method pipe, and the SAPMAC method pipe is with spiral winding
Mode is arranged on the outside of the sample cylinder, and the wind deflector is located between the gap of the SAPMAC method pipe spiral winding, described cold
Circulation pipe is electrically connected with the control centre.
Optionally, in the SAPMAC method pipe it is refrigerant agent.
Optionally, the refrigerant agent in the SAPMAC method pipe is circulated from top to bottom.
This utility model achieves following technique effect relative to prior art:
In this utility model, being provided with for wind deflector is beneficial to carry out conduction cooling wind to frozen soil sample, makes frozen soil sample quickly real
The regulation of existing temperature;And the top-down diameter of wind deflector gradually decrease and SAPMAC method pipe in refrigerant agent top-down enter
Row circulation enables to ensure frozen soil sample time gradual temperature change, it is easier to realize combination temp gradient.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of the frozen soil experiment device of combination temp gradient in this utility model;
Wherein, 1 air inlet;2 test casings;3 wind deflectors;4 air outlets;5 support blocks;6 frozen soil samples;7 sample cylinders;8 is cold
Circulation pipe;9 temperature sensors;10 pressurization lids;11 connecting rods;12 top covers.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
The purpose of this utility model is to provide a kind of frozen soil experiment device of combination temp gradient, to solve above-mentioned existing skill
The problem that art is present, enables the experimental provision to realize the regulation of the combination temp gradient to frozen soil, and makes its thermograde
Substantially, mode of operation is easy for effect, and controllability is good.
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to this utility model.
Fig. 1 is refer to, wherein, Fig. 1 is the overall structure of the frozen soil experiment device of combination temp gradient in this utility model
Schematic diagram.
Embodiment one
As shown in figure 1, provide a kind of frozen soil experiment device of combination temp gradient in the present embodiment, including test casing 2,
Sample cylinder 7, cold air pump and control centre, sample cylinder 7 are arranged at the within the chamber of test casing 2, and test the cavity bottom of casing 2
Central authorities are fixedly installed a support block 5, and sample cylinder 7 is fixedly installed in support block 5, are used for placing frozen soil sample in sample cylinder 7
6;Test casing 2 includes that top cover 12 and test box main body, top cover 12 are snapped connection with box main body is tested, be provided with top cover 12 to
A few air inlet 1, the bottom sides for testing box main body offer at least one air outlet 4, and cold air pump is used for blowing air inlet 1
Gas;If being plugged with dried layer wind deflector 3 on the outer wall of sample cylinder 7, cold air pump is electrically connected with control centre.
Frozen soil sample 6 first, is placed into sample cylinder 7 by the frozen soil experiment device of the combination temp gradient in the present embodiment
In, sample cylinder 7 is sealed, then according to the needs of combination temp gradient, equidistant grafting on the outer wall of sample cylinder 7 is led
Aerofoil 3, and temperature sensor 9 is set between two neighboring wind deflector 3, wind deflector 3 is set on sample cylinder 7 to be passed with temperature
Sample cylinder 7 is put in test casing 2 after sensor 9, and sample cylinder 7 is fixed in support block 5, by the top of test casing 2
Lid 12 is covered;Cold air pump is opened, and to testing supply cold wind in casing 2, wind deflector 3 is used for conduction cooling wind being carried out to frozen soil sample 6, makes
Frozen soil sample 6 can reach predetermined temperature in the short period of time, as cold wind has one in top-down flow process
Fixed energy loss, the thermograde so as to realize frozen soil sample 6 are adjusted.
Embodiment two
As shown in figure 1, the present embodiment provides a kind of frozen soil experiment device of combination temp gradient, on the basis of embodiment one
On, the frozen soil experiment device of the combination temp gradient in the present embodiment also has the characteristics that:
The top of sample cylinder 7 is provided with a pressurization lid 10, and pressurization lid 10 is used for carrying out pressurization to frozen soil sample 6, protects
Card ambient atmos or environment are not impacted to frozen soil sample 6, and 10 top of pressurization lid is fixedly installed a connecting rod 11, and connects
Bar 11 stretches out the top cover 12 of test casing 2, facilitates the decentralization and taking-up of sample cylinder 7.
On the outer wall for being plugged on sample cylinder 7 in disk form of wind deflector 3, top-down adjacent two-layer wind deflector 3 straight
Footpath is successively decreased successively, i.e., reduce the intake to frozen soil sample 6 successively, realize the regulation of thermograde.
Temperature sensor 9 is provided between each layer wind deflector 3, and temperature sensor 9 is electrically connected with control centre, to frozen soil
The temperature of test carries out enforcement monitoring, so as to feed back to control centre, and then control cold air pump to air quantity.
7 lateral surface of sample cylinder is further fixedly arranged on SAPMAC method pipe 8, and SAPMAC method pipe 8 is arranged in sample in the way of spiral winding
On the outside of product cylinder 7, wind deflector 3 is located between the gap of 8 spiral winding of SAPMAC method pipe, and SAPMAC method pipe 8 is electrically connected with control centre, cold
Circulation pipe 8 plays assosting effect to the temperature adjustment of frozen soil sample 6.
It is refrigerant agent in SAPMAC method pipe 8, such as freon etc..
Refrigerant agent in SAPMAC method pipe 8 is circulated from top to bottom.
Apply specific case to be set forth principle of the present utility model and embodiment in this utility model, above
The explanation of embodiment is only intended to help and understands method of the present utility model and its core concept;Simultaneously for this area one
As technical staff, according to thought of the present utility model, will change in specific embodiments and applications.To sum up
Described, this specification content is should not be construed as to restriction of the present utility model.
Claims (7)
1. a kind of frozen soil experiment device of combination temp gradient, it is characterised in that:Including test casing, sample cylinder, cold air pump and
Control centre, the sample cylinder are arranged at the within the chamber of the test casing, and the cavity bottom central authorities of the test casing are solid
Surely a support block is provided with, the sample cylinder is fixedly installed in the support block, is tried for placing frozen soil in the sample cylinder
Sample;The test casing includes that top cover and test box main body, the top cover are snapped connection with the test box main body, the top cover
On be provided with least one air inlet, the bottom sides of the test box main body offer at least one air outlet, the cold air
Pump is used for blowing air inlet;If being plugged with dried layer wind deflector on the outer wall of the sample cylinder, the cold air pump and the control
Center electrically connects.
2. the frozen soil experiment device of a kind of combination temp gradient according to claim 1, it is characterised in that:The sample cylinder
Top be provided with a pressurization lid, the pressurization lid is used for carrying out the frozen soil sample on pressurization, the pressurization lid top
A connecting rod is fixedly installed, and the connecting rod stretches out the top cover of the test casing.
3. the frozen soil experiment device of a kind of combination temp gradient according to claim 1, it is characterised in that:The wind deflector
On the outer wall for being plugged on the sample cylinder in disk form, described in top-down adjacent two-layer, the diameter of wind deflector is passed successively
Subtract.
4. the frozen soil experiment device of a kind of combination temp gradient according to claim 1, it is characterised in that:Lead described in each layer
Temperature sensor is provided between aerofoil, the temperature sensor is electrically connected with the control centre.
5. the frozen soil experiment device of a kind of combination temp gradient according to claim 1, it is characterised in that:The sample cylinder
Lateral surface is further fixedly arranged on SAPMAC method pipe, and the SAPMAC method pipe is arranged on the outside of the sample cylinder in the way of spiral winding,
The wind deflector is located between the gap of the SAPMAC method pipe spiral winding, and the SAPMAC method pipe is electrically connected with the control centre
Connect.
6. the frozen soil experiment device of a kind of combination temp gradient according to claim 5, it is characterised in that:The SAPMAC method
It is refrigerant agent in pipe.
7. the frozen soil experiment device of a kind of combination temp gradient according to claim 6, it is characterised in that:The SAPMAC method
Refrigerant agent in pipe is circulated from top to bottom.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2016209891294 | 2016-08-30 | ||
CN201620989129 | 2016-08-30 |
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Publication Number | Publication Date |
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CN206020420U true CN206020420U (en) | 2017-03-15 |
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CN201621051896.7U Expired - Fee Related CN206020420U (en) | 2016-08-30 | 2016-09-13 | A kind of frozen soil experiment device of combination temp gradient |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106226499A (en) * | 2016-08-30 | 2016-12-14 | 中国科学院寒区旱区环境与工程研究所 | A kind of frozen soil experiment device of combination temp gradient |
-
2016
- 2016-09-13 CN CN201621051896.7U patent/CN206020420U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106226499A (en) * | 2016-08-30 | 2016-12-14 | 中国科学院寒区旱区环境与工程研究所 | A kind of frozen soil experiment device of combination temp gradient |
CN106226499B (en) * | 2016-08-30 | 2018-08-24 | 中国科学院寒区旱区环境与工程研究所 | A kind of frozen soil experiment device of combination temp gradient |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20180913 |