CN206756814U - Permafrost region freeze-thawing process of soil heat and water flow observation device - Google Patents

Permafrost region freeze-thawing process of soil heat and water flow observation device Download PDF

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Publication number
CN206756814U
CN206756814U CN201720445067.5U CN201720445067U CN206756814U CN 206756814 U CN206756814 U CN 206756814U CN 201720445067 U CN201720445067 U CN 201720445067U CN 206756814 U CN206756814 U CN 206756814U
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China
Prior art keywords
soil
thawing
freeze
water flow
control room
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Expired - Fee Related
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CN201720445067.5U
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Chinese (zh)
Inventor
石军
邢子强
郑红
朱宏飞
董国强
刘姗姗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Water Conservancy Building Survey And Design Institute
Shenyang Water Conservancy Bureau
China Institute of Water Resources and Hydropower Research
Original Assignee
Shenyang Water Conservancy Building Survey And Design Institute
Shenyang Water Conservancy Bureau
China Institute of Water Resources and Hydropower Research
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Application filed by Shenyang Water Conservancy Building Survey And Design Institute, Shenyang Water Conservancy Bureau, China Institute of Water Resources and Hydropower Research filed Critical Shenyang Water Conservancy Building Survey And Design Institute
Priority to CN201720445067.5U priority Critical patent/CN206756814U/en
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Abstract

The utility model provides a kind of permafrost region freeze-thawing process of soil heat and water flow observation device, including soil freezing-thawing case, is arranged on the soil freezing-thawing box top and the climatic simulation control room connected with the soil freezing-thawing case;The side end face of climatic simulation control room is provided with ventilating opening, and the side end face of the climatic simulation control room is connected by cover of becalming with air conditioner;The front end face of soil freezing-thawing case is provided with infrared thermoviewer;Warm and humid probe is inserted with the back end surface of soil freezing-thawing case, temperature sensor is provided with inside the climatic simulation control room;Air conditioner, warm and humid probe, the infrared thermoviewer and the temperature sensor are electrically connected with the controller.

Description

Permafrost region freeze-thawing process of soil heat and water flow observation device
Technical field
The utility model is specifically related to a kind of permafrost region freeze-thawing process of soil heat and water flow observation device.
Background technology
Chinese permanent frozen soil distribution area is about 2,070,000 km2, and frost zone distribution area is about 5,140,000 km2, and two Person amounts to and accounts for the 75% of China's territory total area.Soil freezing-thawing effect will directly affect soil physico-chemical property, and then change soil Hydraulics itself and thermodynamic behaviour, and change Heat And Water Balance inside soil, influence permafrost region water cycle process and heat transfer Process.But had significant coupling and complexity and freeze-thaw soils real by soil heat and water flow in freeze-thawing process of soil When the factor such as monitoring means limitation influence, in freeze-thawing process of soil the dynamic rule research of heat and water flow still need further Deeply, so being badly in need of a kind of permafrost region freeze-thawing process of soil heat and water flow observation device.
Utility model content
The purpose of this utility model is in view of the shortcomings of the prior art, there is provided a kind of permafrost region freeze-thawing process of soil hydro-thermal Migration observation device, the permafrost region freeze-thawing process of soil heat and water flow observation device can solve the above problems well.
To reach above-mentioned requirements, the utility model adopts the technical scheme that:A kind of permafrost region freeze-thawing process of soil is provided Heat and water flow observation device, the permafrost region freeze-thawing process of soil heat and water flow observation device include soil freezing-thawing case, are arranged on institute State soil freezing-thawing box top and the climatic simulation control room connected with the soil freezing-thawing case;The side end face of climatic simulation control room Ventilating opening is provided with, the side end face of the climatic simulation control room is connected by cover of becalming with air conditioner;Soil freezing-thawing case Front end face is provided with infrared thermoviewer;Warm and humid probe is inserted with the back end surface of soil freezing-thawing case, in the climatic simulation control room Portion is provided with temperature sensor;Air conditioner, the warm and humid probe, the infrared thermoviewer and the temperature sensor are and controller Electrical connection.
The permafrost region freeze-thawing process of soil heat and water flow observation device has the advantage that as follows:
(1)Soil is from top to bottom under the complete simulating natural condition of permafrost region freeze-thawing process of soil heat and water flow observation device Freezing process and melting process.
(2)The permafrost region freeze-thawing process of soil heat and water flow observation device can be to soil freezing and the soil of melting process Moisture, soil moisture dynamic changing process can realize real-time monitoring, and soil freezing and thaw depth can pass through lucite Real-time monitored.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, the part of the application is formed, at this Same or analogous part, the schematic description and description of the application are represented using identical reference number in a little accompanying drawings For explaining the application, the improper restriction to the application is not formed.In the accompanying drawings:
Fig. 1 is schematically shown to be observed according to the permafrost region freeze-thawing process of soil heat and water flow of the application one embodiment The structural representation of device.
Wherein:1. soil freezing-thawing case, 2. climatic simulation control rooms, 3. infrared thermoviewers, 4. controllers, 5. warm and humid probes, 6. temperature sensor, 7. air conditioners;8th, becalm cover.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with drawings and the specific embodiments, to this Application is described in further detail.
In the following description, the reference to " one embodiment ", " embodiment ", " example ", " example " etc. shows The embodiment or example so described can include special characteristic, structure, characteristic, property, element or limit, but not each real Applying example or example all necessarily includes special characteristic, structure, characteristic, property, element or limit.In addition, reuse phrase " according to One embodiment of the application " is not necessarily referring to identical embodiment although it is possible to refer to identical embodiment.
For the sake of simplicity, eliminate that well known to a person skilled in the art some technical characteristics in describing below.
According to one embodiment of the application, there is provided a kind of permafrost region freeze-thawing process of soil heat and water flow observation device, such as Shown in Fig. 1, including soil freezing-thawing case 1, it is arranged on the top of the soil freezing-thawing case 1 and the gas connected with the soil freezing-thawing case 1 Wait simulation control room 2.
According to one embodiment of the application, the climatic simulation of the permafrost region freeze-thawing process of soil heat and water flow observation device The side end face of control room 2 is provided with ventilating opening, and the side end face of the climatic simulation control room 2 passes through cover 8 and the phase of air conditioner 7 of becalming Connection.
According to one embodiment of the application, the soil freezing-thawing of the permafrost region freeze-thawing process of soil heat and water flow observation device The front end face of case 1 is provided with infrared thermoviewer 3.
According to one embodiment of the application, the soil freezing-thawing of the permafrost region freeze-thawing process of soil heat and water flow observation device Warm and humid probe 5 is inserted with the back end surface of case 1, the inside of climatic simulation control room 2 is provided with temperature sensor 6.
According to one embodiment of the application, the air conditioner 7 of the permafrost region freeze-thawing process of soil heat and water flow observation device, Warm and humid probe 5, the infrared thermoviewer 3 and the temperature sensor 6 electrically connect with controller 4.
According to one embodiment of the application, inside the interlayer of the permafrost region freeze-thawing process of soil heat and water flow observation device Provided with the polyurethane foam board for heat-insulation and heat-preservation.
According to one embodiment of the application, the soil freezing-thawing of the permafrost region freeze-thawing process of soil heat and water flow observation device At least four warm and humid probes 5 are uniformly inserted with the back end surface of case 1, being uniformly arranged multiple warm and humid probes 5 can be more accurate Detect the humiture inside soil freezing-thawing case 1.
According to one embodiment of the application, the climatic simulation of the permafrost region freeze-thawing process of soil heat and water flow observation device The side end face of control room 2 is made up of lucite, and the machine glass is the lucite of transparent resistance to jelly.
According to one embodiment of the application, the permafrost region freeze-thawing process of soil heat and water flow observation device specifically includes 4 Part:Soil freezing-thawing case, climatic simulation control room, infrared thermoviewer, controller.Wherein, soil freezing-thawing case by stainless steel and thoroughly The lucite of bright resistance to jelly is made, and is arranged to sandwich structure, and filled polyurethane foamed board is used for heat-insulation and heat-preservation.And in box back surface The monitoring in real time of warm and humid probe is installed.Climatic simulation control room is made up of the lucite of transparent resistance to jelly, it is ensured that control indoor temperature Uniformly.Ensure that imaging region covers complete pedotheque when infrared thermoviewer is shot.Controller is outside soil freezing-thawing case, together When connect the wet probe of soil freezing-thawing box temperature, climatic simulation control room temperature sensor and infrared thermoviewer.The present invention can be real-time The dynamic changing process of soil moisture content and the soil moisture in tracking observation soil freezing and melting process, so as to apparent permafrost region Water cycle process and heat transfer process, technical support is provided for the research of frozen soil hydrology theory.
According to one embodiment of the application, the soil freezing-thawing of the permafrost region freeze-thawing process of soil heat and water flow observation device Case is made of stainless steel, and is arranged to sandwich structure, and filled polyurethane foamed board is used for heat-insulation and heat-preservation.It is real for the ease of real-time monitored Situation is tested, inner side is made of the lucite of transparent resistance to jelly before casing.Filling field acquisition undisturbed soil sample in casing Product.In the vertical warm and humid probe of row of aspect installation 3 of box back surface(Precision is 0.1 DEG C), vertical spacing is 10cm.Probe connection control Device, and be connected with computer, for monitoring soil moisture and soil moisture dynamic change in real time.
Installation climatic simulation control room above soil freezing-thawing case, is also made of the lucite of transparent resistance to jelly, in four walls Passage is uniformly provided with poly (methyl methacrylate) plate, ensures that cold/current of warm air forms circulation in control room, it is ensured that control indoor temperature is equal It is even, casing mounting temperature sensor, real-time inspection and control chamber interior temperature.
An infrared thermoviewer is laid in front of soil freezing-thawing case, when shooting freeze-thaw soils thermal infrared images, ensures imaging Region can be with complete pedotheque in mulching soil freeze thawing case and shooting angle is preferably from top to bottom.
Controller connects the wet probe of soil freezing-thawing box temperature, climatic simulation control room temperature outside soil freezing-thawing case Sensor and infrared thermoviewer are spent, can show and record freeze-thaw soils experimental facilities work ginseng in thermal exchange The real-time change of number, soil temperature/soil moisture content and infrared thermoviewer.
A kind of permafrost region freeze-thawing process of soil heat and water flow observation device of the present invention, specifically used method include following step Suddenly:
Step 1: preparation before experiment
The undisturbed soil sample of field acquisition is carefully slowly loaded into soil freezing-thawing case;Warm and humid probe is inserted afterwards Reserved in soil freezing-thawing case rear wall in jack;And then the connection of observation instrument is completed, and debug monitoring device.
Step 2: Soil moisture and temperature change procedure monitors in soil freezing/melting process
Freezing process:Start climatic simulation control room temperature control equipment, ensure climatic simulation control room in temperature with Collecting soil sample per day minimum temperature of typical winter match, and keep climatic simulation control indoor air temperature it is constant, see Survey the frozen state and the pedotheque depth of freezing of pedotheque in soil freezing-thawing case.In freezing process, used every 10min Infrared thermoviewer records the overall distribution situation of the pedotheque soil moisture.
Melting process:Start climatic simulation control room temperature control equipment, ensure climatic simulation control room in temperature with Collecting soil sample per day maximum temperature of typical summer match, and keep climatic simulation control indoor air temperature it is constant, see Survey the melting state of freezing soil sample in soil freezing-thawing case.In melting process, still remembered every 10min using infrared thermoviewer Record pedotheque soil moisture overall distribution situation.
Step 3: freeze-thawing process of soil heat and water flow is integrally observed
The thermal infrared images of freeze-thaw soils in infrared thermoviewer is obtained, is believed according to freeze-thaw soils thermal infrared images shooting time Breath, the Monitoring Data of warm and humid probe in the soil freezing-thawing case of shooting time point is obtained, establish thermal infrared images pixel value and actual measurement Regression equation between temperature, processing determine the spatial distribution of the shooting time point soil moisture in soil freezing-thawing case.
Embodiment described above only represents several embodiments of the present utility model, and its description is more specific and detailed, but The limitation to the scope of the utility model can not be interpreted as.It should be pointed out that for the person of ordinary skill of the art, Without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to the utility model Protection domain.Therefore the scope of protection of the utility model should be defined by the claim.

Claims (4)

  1. A kind of 1. permafrost region freeze-thawing process of soil heat and water flow observation device, it is characterised in that:Including soil freezing-thawing case, it is arranged on The soil freezing-thawing box top and the climatic simulation control room connected with the soil freezing-thawing case;
    The side end face of the climatic simulation control room is provided with ventilating opening, and the side end face of the climatic simulation control room is by becalming Cover is connected with air conditioner;
    The front end face of the soil freezing-thawing case is provided with infrared thermoviewer;
    Warm and humid probe is inserted with the back end surface of the soil freezing-thawing case, TEMP is provided with inside the climatic simulation control room Device;
    The air conditioner, warm and humid probe, the infrared thermoviewer and the temperature sensor are electrically connected with the controller.
  2. 2. permafrost region freeze-thawing process of soil heat and water flow observation device according to claim 1, it is characterised in that:The soil Earth freeze thawing case is made up of lucite, and the bottom end face of the soil freezing-thawing case is provided with interlayer, is provided with and is used for inside the interlayer The polyurethane foam board of heat-insulation and heat-preservation.
  3. 3. permafrost region freeze-thawing process of soil heat and water flow observation device according to claim 1, it is characterised in that:The soil At least four warm and humid probes are uniformly inserted with the back end surface of earth freeze thawing case.
  4. 4. permafrost region freeze-thawing process of soil heat and water flow observation device according to claim 1, it is characterised in that:The gas The side end face for waiting simulation control room is made up of lucite.
CN201720445067.5U 2017-04-26 2017-04-26 Permafrost region freeze-thawing process of soil heat and water flow observation device Expired - Fee Related CN206756814U (en)

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Application Number Priority Date Filing Date Title
CN201720445067.5U CN206756814U (en) 2017-04-26 2017-04-26 Permafrost region freeze-thawing process of soil heat and water flow observation device

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108375603A (en) * 2018-01-10 2018-08-07 中国地质大学(北京) A kind of the hydro-thermal characteristic joint test method and system of simulation soil body Frozen-thawed cycled
CN108519477A (en) * 2018-04-24 2018-09-11 西南科技大学 A kind of frozen ground regions roadbed model pilot system
CN108593703A (en) * 2018-04-08 2018-09-28 中国矿业大学(北京) The recognition methods of aqueous ground unsaturation-saturation state transformation and its verification system
CN108614089A (en) * 2018-05-09 2018-10-02 重庆交通大学 Compacted fill freeze thawing and weathering environmental simulation system and its test method
CN109668923A (en) * 2019-01-18 2019-04-23 安徽建筑大学 A kind of frozen soil upper limit changing rule test method
CN110320342A (en) * 2019-05-15 2019-10-11 水利部交通运输部国家能源局南京水利科学研究院 Centrifugal mold molding box and its application method under the conditions of " wet dry freeze melts " in geo-technical centrifuge system
CN112255258A (en) * 2020-09-24 2021-01-22 中国矿业大学 Monitoring system and method for sample freeze-thaw cycle experiment
CN112396939A (en) * 2020-11-17 2021-02-23 延安大学 Simulation device and method for responding to different wetlands by soil animals

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108375603A (en) * 2018-01-10 2018-08-07 中国地质大学(北京) A kind of the hydro-thermal characteristic joint test method and system of simulation soil body Frozen-thawed cycled
CN108593703A (en) * 2018-04-08 2018-09-28 中国矿业大学(北京) The recognition methods of aqueous ground unsaturation-saturation state transformation and its verification system
CN108519477A (en) * 2018-04-24 2018-09-11 西南科技大学 A kind of frozen ground regions roadbed model pilot system
CN108519477B (en) * 2018-04-24 2023-10-13 西南科技大学 Seasonal frozen soil area roadbed model test system
CN108614089A (en) * 2018-05-09 2018-10-02 重庆交通大学 Compacted fill freeze thawing and weathering environmental simulation system and its test method
CN109668923A (en) * 2019-01-18 2019-04-23 安徽建筑大学 A kind of frozen soil upper limit changing rule test method
CN110320342A (en) * 2019-05-15 2019-10-11 水利部交通运输部国家能源局南京水利科学研究院 Centrifugal mold molding box and its application method under the conditions of " wet dry freeze melts " in geo-technical centrifuge system
CN112255258A (en) * 2020-09-24 2021-01-22 中国矿业大学 Monitoring system and method for sample freeze-thaw cycle experiment
CN112255258B (en) * 2020-09-24 2021-10-15 中国矿业大学 Monitoring system and method for sample freeze-thaw cycle experiment
CN112396939A (en) * 2020-11-17 2021-02-23 延安大学 Simulation device and method for responding to different wetlands by soil animals

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