CN203587588U - Improved water-salt monitoring device for greenhouse soil - Google Patents

Improved water-salt monitoring device for greenhouse soil Download PDF

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Publication number
CN203587588U
CN203587588U CN201320785472.3U CN201320785472U CN203587588U CN 203587588 U CN203587588 U CN 203587588U CN 201320785472 U CN201320785472 U CN 201320785472U CN 203587588 U CN203587588 U CN 203587588U
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China
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soil
box
soil box
salt
water
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Expired - Fee Related
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CN201320785472.3U
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Chinese (zh)
Inventor
郑子成
吴漩
李廷轩
张锡洲
王永东
刘涛
余海英
陈光登
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Sichuan Agricultural University
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Sichuan Agricultural University
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Abstract

The utility model relates to a monitoring-testing device for researching migration and transformation rules of moisture and solutes in soil after irrigation under a greenhouse cultivation condition and particularly relates to an improved water-salt monitoring device for greenhouse soil. The device comprises a soil tank, a water supply device, a soil temperature control device, a humidity control device, a sampling system, a water-heat-salt data acquisition system and a groundwater control device. The device is characterized in that the humidity control device and the soil temperature control device are arranged above the soil tank; the water supply device is arranged outside the soil tank; the sampling system and the water-heat-salt data acquisition system are mounted on the side wall of the soil tank; the groundwater control device is arranged at the bottom of the soil tank. According to the improved water-salt monitoring device, the large-scale soil tank can be filled with soil samples, and the migration and transformation situations of moisture and solutes after irrigation under the greenhouse cultivation condition can be monitored, so that a marginal effect is alleviated, and the testing accuracy is improved; the problem that an actual hydrothermal condition of a greenhouse is difficult to simulate indoors is further solved.

Description

A kind of improved facility holard salt monitoring device
Technical field
The utility model belongs to holard salt monitoring test device field, relate to a kind of under research facilities cultivation condition, after pouring water moisture and solute in soil, move, the monitoring test device of transformation rule, be specially a kind of improved facility holard salt monitoring device.
Background technology
Industrialized agriculture is to utilize the artificial facility of building, and makes traditional agriculture progressively break away from natural constraint, moves towards the only way of modern factories agricultural production.Facility cultivation not only provides a large amount of vegetables in improper season for market, has brought significant economic benefit and social benefit, simultaneously also for some areas rationally utilize soil, contradiction has been created condition to alleviate people.But owing to producing medium-term and long-term irrational management, not only cause water, fertile resource to waste in a large number, and bring a series of soil ecological problems, especially general and serious with soil secondary salinization.Soil moisture is to control the principal element of Salt movement, how scientifically to utilize moisture regulation to solve facility salt accumulation in soil problem, guarantees that the safety of facility soil environment has become the research direction of facility holard salt regulation and control.General field experiment or the indoor soil-column test of adopting simulated facility soil solute transport under irrigation condition at present.The shortcoming of two kinds of test method existence is described below.
Field experiment only can reflect the holard salt dynamic changing process causing under the factor actings in conjunction such as irrigation under Protected Cultivation, soil evaporation and artificial measures (as plastic film mulching), be difficult to study the impact of monofactor on its variation, be unfavorable for the announcement of facility holard salt migration mechanism; Field experiment is subject to the impact of the soil texture and local salt content special heterogeneity, must lay enough testing sites and could meet testing requirements, and experiment work amount is large.
Indoor soil-column simulation test yardstick is little, and edge effect has reduced the precision of simulation on the one hand, test figure is lacked representative, has larger difference with field actual conditions; On the other hand on earth pillar wall perforate bury that probe quantity is very few underground cannot the dynamic change of Monitoring Profiles water salt, cross at most and can produce larger disturbance to soil, destroy the continuity of water salt migration, and then affect monitoring result.In addition, earth pillar adopts tempered glass to make more, and experimentation cost is higher.
Utility model content
The purpose of this utility model is to provide and can under simulation Protected Cultivation, migrates, measure the improved facility holard of the one salt monitoring device that precision is high, have certain automaticity for water salt.
Concrete technical scheme of the present utility model is:
A kind of improved facility holard salt monitoring device, comprise soil box, water supply installation, soil temperature control device, humidity conditioner, sampling system, hydro-thermal salt data acquisition system (DAS) and Groundwater Control device, describedly at the inwall of soil box and the bottom of soil box, water barrier is set, in soil box, insert soil, soil box bottom is provided with loaded filter, and loaded filter is made by silica sand.Humidity conditioner is arranged on soil box top, soil table humidity is controlled, soil temperature control device is arranged on soil box top, soil table temperature is controlled, water supply installation is arranged on soil box outside, soil box is supplied water, and sampling system is arranged on soil box sidewall, for obtaining the soil box different depth soil liquid; Hydro-thermal salt data acquisition system (DAS) is installed on soil box sidewall, for monitoring water cut, conductivity and the temperature of soil box different depth soil; The setting of Groundwater Control device is positioned at soil box bottom, for controlling groundwater level.
The material of soil box sidewall is transparent PVC plate, in soil box bottom, is provided with loaded filter, and loaded filter is made by silica sand.
Water supply installation comprises reserve tank, flowmeter and controller, and wherein flowmeter is connected with controller by signal cable, and controller is connected with feed pipe, and soil box is poured water; Feed pipe is connected with reserve tank.Described soil temperature control device comprises cover cap, infrared lamp, temperature sensor, temperature detect switch (TDS) and panel box, and cover cap is installed on soil box top, and infrared lamp is installed on described cover cap top, and temperature sensor is embedded in the soil surface in soil box; Infrared lamp is connected with panel box by electric wire, and panel box is connected with temperature detect switch (TDS) by signal cable with temperature sensor.Described humidity conditioner comprises reserve tank, moisture atomizer, humidity sensor and controller, wherein reserve tank is positioned at soil box outside, and be connected with moisture atomizer by water-supply-pipe, moisture atomizer is installed in cap side walls, humidity sensor hangs on cover cap top, moisture atomizer connects controller by electric wire, and humidity sensor is connected with controller by signal cable.Described sampling system comprises pot clay end, vacuum pump and liquid taking bottle, and wherein pot clay end is installed on soil box sidewall, and is connected with vacuum pump by liquid flowing tube, extracts the soil liquid be delivered to liquid taking bottle by woven hose by vacuum pump.Described hydro-thermal salt data acquisition system (DAS) comprises moisture salinity temperature sensor, data acquisition unit and panel box, moisture salinity temperature sensor is through the test sample hole being opened on soil box sidewall, moisture salinity temperature sensor is monitored soil through the test sample hole being opened on soil box sidewall, by signal cable, be connected with data acquisition unit, data acquisition unit is connected with panel box by electric wire simultaneously.Described Groundwater Control device comprises Ma Shi bottle and flowmeter, and Ma Shi bottle passes through feed pipe connection traffic meter, and is installed on soil box bottom, and the junction of Ma Shi bottle and feed pipe is provided with water control valve.
Good effect of the present utility model is embodied in: can adopt big-earth-groove to carry out soil sample and fill, simultaneously in conjunction with hydro-thermal salt acquisition system, Groundwater Control device and sampling system, can in soil, move moisture after pouring water under Protected Cultivation and solute, conversion situation monitors, reduce edge effect, improved test accuracy; Further, adopt soil temperature control device and humidity conditioner, solved the indoor problem that is difficult to the hydro-thermal situation of simulating facility reality.
Accompanying drawing explanation:
Fig. 1 is side view of the present utility model
Wherein, 1-1, soil box; 1-2, loaded filter; 2-1, reserve tank; 2-2, flowmeter; 2-3, controller; 3-1, cover cap; 3-2, infrared lamp; 3-3, temperature sensor; 3-4, temperature detect switch (TDS); 3-5, panel box; 4-1, reserve tank; 4-2, moisture atomizer; 4-3, humidity sensor; 4-4, controller; 5-1, pot clay end; 5-2, vacuum pump; 5-3, liquid taking bottle; 6-1, moisture salinity temperature sensor; 6-2, data acquisition unit; 6-3, panel box; 7-1, Ma Shi bottle; 7-2, flowmeter; 7-3, feed pipe.
Embodiment
Below in conjunction with accompanying drawing, further describe the embodiment of facility soil profile water salt monitoring device described in the utility model.Specific embodiment described herein only, with explaining the present invention, is not limited to scope of the present invention.
Embodiment 1:
Improved facility holard salt monitoring device described in the utility model, comprises soil box 1-1, water supply installation, soil temperature control device, humidity conditioner, sampling system, hydro-thermal salt data acquisition system (DAS) and Groundwater Control device; Soil box 1-1 inwall and bottom are provided with water barrier, in soil box 1-1, insert soil; Water supply installation is positioned at described soil box 1-1 outside, and soil box 1-1 is supplied water; Soil temperature control device is positioned at described soil box 1-1 top, and soil table temperature is controlled; Humidity conditioner is positioned at described soil box 1-1 top, and soil table humidity is controlled; Sampling system is installed on described soil box 1-1 sidewall, for obtaining the soil box 1-1 different depth soil liquid; Hydro-thermal salt data acquisition system (DAS) is installed on described soil box 1-1 sidewall, for monitoring water cut, temperature and the conductivity of soil box 1-1 different depth soil; Percolating fluid collection system is positioned at described soil box 1-1 bottom, for collecting soil box 1-1 percolating fluid; Groundwater Control device is positioned at described soil box 1-1 bottom, for controlling groundwater level.
Soil box 1-1 sidewall can adopt transparent PVC plate to make, on PVC plate, can draw scale according to testing requirements, the size of this soil box 1-1 can be: length 1m, width 1m, height 1.5m, soil box 1-1 bottom is provided with loaded filter 1-2, and loaded filter 1-2 is made by silica sand, and it act as and prevents that percolating fluid from carrying grogs and flowing out soil box 1-1.After loaded filter 1-2 has laid, according to field actual measurement unit weight, air-dry soil is inserted to soil box 1-1.
Water supply installation comprises reserve tank 2-1, flowmeter 2-2, controller 2-3, and this water tank is by feed pipe connection traffic meter 2-2, and flowmeter 2-2 can measure flow, and flow signal is transferred to controller 2-3 by signal cable, and controller 2-3 contains water control valve.In reserve tank 2-1, inject distilled water, in controller 2-3, set output and water supply time interval, by controller 2-3, control water supply valve and supply water, when stopping supplying water after the irrigation quantity that reaches setting.
Soil temperature control device comprises cover cap 3-1, infrared lamp 3-2, temperature sensor 3-3, temperature detect switch (TDS) 3-4 and panel box 3-5.Cover cap 3-1 can adopt transparent PVC plate to make, and the size of cover cap 3-1 can be: length 1m, width 1m, height 1m.Cover cap 3-1 can be fixed by screws in soil box 1-1 top.Infrared lamp 3-2 is connected with panel box 3-5 by electric wire, and for guaranteeing soil surface thermally equivalent, infrared lamp 3-2 can evenly be installed on cover cap 3-1 top.Temperature sensor 3-3 can be embedded in upper soll layer, by signal cable, is connected with temperature detect switch (TDS) 3-4.According to testing requirements, in temperature detect switch (TDS) 3-4, soil table temperature is set, by temperature detect switch (TDS) 3-4, controls infrared lamp 3-2 and supply temperature to make soil table temperature keep preset temperature always.
Humidity conditioner comprises reserve tank 4-1, moisture atomizer 4-2, humidity sensor 4-3 and controller 4-4.Reserve tank 4-1 is connected with moisture atomizer 4-2 by feed pipe, moisture atomizer 4-2 can be installed on cover cap 3-1 sidewall, moisture atomizer 4-2 is connected with controller 4-4 by electric wire, and for guaranteeing that in cover cap 3-1, moisture distribution is even, moisture atomizer 4-2 can evenly be installed on cover cap 3-1 sidewall.Humidity sensor 4-3 can hang on cover cap 3-1 central authorities by iron wire, by signal cable, is connected with controller 4-4.According to testing requirements, in controller 4-4, air humidity is set, by controller 4-4, controls moisture atomizer 4-2 and supply the wet air humidity that makes to keep default humidity always.
Sampling system comprises pot clay end 5-1, vacuum pump 5-2, liquid taking bottle 5-3, can offer thief hole according to certain intervals, as shown in Figure 1 at soil box 1-1 sidewall.Pot clay end 5-1 through thief hole place into the soil in for extracting the soil liquid, pot clay end 5-1 is connected with vacuum pump 5-2 by liquid flowing tube, by vacuum pump 5-2, making the negative pressure in pot clay end 5-1 is 0.07MPa-0.09MPa, makes the soil liquid extracting flow to liquid taking bottle 5-3 to it is carried out to chemical analysis by woven hose.
Hydro-thermal salt data acquisition system (DAS) comprises moisture salinity temperature sensor 6-1, data acquisition unit 6-2, panel box 6-3, can offer test sample hole according to certain intervals, as shown in Figure 1 at soil box 1-1 sidewall.Moisture salinity temperature sensor 6-1 through test sample hole place into the soil in to obtain soil moisture, conductivity and temperature information, moisture salinity temperature sensor 6-1 is connected with data acquisition unit 6-2 by signal cable, data acquisition unit 6-2 is connected with panel box 6-3 by electric wire, and data collector 6-2 can carry out regularly reading and recording according to requirement of experiment the data of sensor.
Groundwater Control device comprises Ma Shi bottle 7-1, flowmeter 7-2, feed pipe 7-3, for the feed pipe 7-3 that guarantees evenly to supply water can evenly be laid in soil box 1-1 bottom, the every long 100cm of feed pipe 7-3, feed pipe 7-3 surveys the wall spaced apart water hole that sets out at regular intervals, feed pipe 7-3 end is connected with Ma Shi bottle 7-1 after being connected with flowmeter 7-2 again, according to can requirement of experiment control Ma Shi bottle 7-1 water level to regulate underground water table.Flowmeter 7-2 can record the groundwater supply water yield and facilitate water balance to calculate.
the course of work of a kind of facility soil profile water salt pick-up unit that above technical scheme provides is: first in soil box 1-1, feed pipe 7-3 and loaded filter 1-2 are laid complete, by gather from the soil of study area through air-dry, sieve after, by field actual measurement unit weight, insert soil box 1-1; In reserve tank 2-1, add distilled water again, open controller 2-3, arrange and set output and water supply time interval; By soil moisture salinity temperature sensor 6-1, detect different soil soil moisture, salinity and temperature, detection signal transfers to data acquisition unit 6-2 by signal can obtain each soil layer water salt and temperature information in the process of pouring water; The rear start-up temperature control device of the end of infiltrating and humidity conditioner are with the temperature and humidity in simulation facility, in experimentation, can by certain hour interval, utilize vacuum pump 5-2 to gather the soil liquid as requested, after the soil liquid gathers, the above step of repetition of next time pouring water.

Claims (9)

1. an improved facility holard salt monitoring device ,comprise soil box, water supply installation, soil temperature control device, humidity conditioner, sampling system, hydro-thermal salt data acquisition system (DAS) and Groundwater Control device, it is characterized in that: described humidity conditioner and soil temperature control device are all arranged on soil box top, water supply installation is arranged on soil box outside, sampling system and hydro-thermal salt data acquisition system (DAS) are all installed on soil box sidewall, and Groundwater Control device is arranged on soil box bottom.
2. improved facility holard salt monitoring device according to claim 1, is characterized in that: at the inwall of described soil box and the bottom of soil box, water barrier is set, inserts soil in soil box, soil box bottom is provided with loaded filter.
3. improved facility holard salt monitoring device according to claim 1, it is characterized in that: described water supply installation comprises reserve tank, flowmeter and controller, wherein flowmeter is connected with controller by signal cable, and controller is connected with feed pipe, and feed pipe is connected with reserve tank.
4. improved facility holard salt monitoring device according to claim 1, it is characterized in that: described soil temperature control device comprises cover cap, infrared lamp, temperature sensor, temperature detect switch (TDS) and panel box, cover cap is installed on soil box top, infrared lamp is installed on described cover cap top, and temperature sensor is embedded in the soil surface in soil box; Infrared lamp is connected with panel box by electric wire, and panel box is connected with temperature detect switch (TDS) by signal cable with temperature sensor.
5. improved facility holard salt monitoring device according to claim 1, it is characterized in that: described humidity conditioner comprises reserve tank, moisture atomizer, humidity sensor and controller, wherein reserve tank is positioned at soil box outside, and be connected with moisture atomizer by water-supply-pipe, moisture atomizer is installed in cap side walls, humidity sensor hangs on cover cap top, and moisture atomizer connects controller by electric wire, and humidity sensor is connected with controller by signal cable.
6. improved facility holard salt monitoring device according to claim 1, it is characterized in that: described sampling system comprises pot clay end, vacuum pump and liquid taking bottle, wherein pot clay end is installed on soil box sidewall, and be connected with vacuum pump by liquid flowing tube, by vacuum pump, extract the soil liquid and be delivered to liquid taking bottle by woven hose.
7. improved facility holard salt monitoring device according to claim 1, it is characterized in that: described hydro-thermal salt data acquisition system (DAS) comprises moisture salinity temperature sensor, data acquisition unit and panel box, moisture salinity temperature sensor is through the test sample hole being opened on soil box sidewall, by signal cable, be connected with data acquisition unit, data acquisition unit is connected with panel box by electric wire simultaneously.
8. improved facility holard salt monitoring device according to claim 1, it is characterized in that: described Groundwater Control device comprises Ma Shi bottle and flowmeter, Ma Shi bottle passes through feed pipe connection traffic meter, and is installed on soil box bottom, and the junction of Ma Shi bottle and feed pipe is provided with water control valve.
9. improved facility holard salt monitoring device according to claim 1, is characterized in that: the material of described soil box sidewall is transparent PVC plate, in soil box bottom, is provided with loaded filter.
CN201320785472.3U 2013-12-02 2013-12-02 Improved water-salt monitoring device for greenhouse soil Expired - Fee Related CN203587588U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105301197A (en) * 2015-11-06 2016-02-03 青岛大学 Sealable and openable type small ecosystem simulation experiment device
CN105334311A (en) * 2015-12-15 2016-02-17 武汉大学 Multi-layer soil water fertilizer migration and transformation parameters testing device and method
CN105532105A (en) * 2015-12-11 2016-05-04 天津大学 Shallow-layer underground saline water low temperature evaporation experiment device
CN105544494A (en) * 2016-01-29 2016-05-04 山西大学 Temperature-controllable salt leaching-adding soil test device and method for testing soil sample by using same
CN105866385A (en) * 2016-06-06 2016-08-17 河海大学 Device and method for simulating spring vent salinity discharge under evaporation
CN106198920A (en) * 2016-04-12 2016-12-07 北京林业大学 The experimental provision simulating salt-soda soil moisture-salt transport and the method utilizing this device screening salt-soda soil to prevent accumulation of salt in the surface soil measure
CN106680460A (en) * 2016-12-07 2017-05-17 中国矿业大学 Pollutant transport model device under saturated-unsaturated soil medium conditions
CN108732331A (en) * 2018-05-25 2018-11-02 河海大学 A kind of device tested with the soil water, vapour, heat, salt simultaneous transport for unsaturation
CN110455703A (en) * 2019-09-02 2019-11-15 中南大学 A kind of test device and its test method of compacted soil vaporous water and lyotropic salt migration
CN111103419A (en) * 2019-12-24 2020-05-05 中国环境科学研究院 Mineral leaching agent migration test system and mineral leaching agent migration conversion test system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105301197A (en) * 2015-11-06 2016-02-03 青岛大学 Sealable and openable type small ecosystem simulation experiment device
CN105532105A (en) * 2015-12-11 2016-05-04 天津大学 Shallow-layer underground saline water low temperature evaporation experiment device
CN105334311A (en) * 2015-12-15 2016-02-17 武汉大学 Multi-layer soil water fertilizer migration and transformation parameters testing device and method
CN105544494A (en) * 2016-01-29 2016-05-04 山西大学 Temperature-controllable salt leaching-adding soil test device and method for testing soil sample by using same
CN106198920A (en) * 2016-04-12 2016-12-07 北京林业大学 The experimental provision simulating salt-soda soil moisture-salt transport and the method utilizing this device screening salt-soda soil to prevent accumulation of salt in the surface soil measure
CN105866385A (en) * 2016-06-06 2016-08-17 河海大学 Device and method for simulating spring vent salinity discharge under evaporation
CN106680460A (en) * 2016-12-07 2017-05-17 中国矿业大学 Pollutant transport model device under saturated-unsaturated soil medium conditions
CN108732331A (en) * 2018-05-25 2018-11-02 河海大学 A kind of device tested with the soil water, vapour, heat, salt simultaneous transport for unsaturation
CN110455703A (en) * 2019-09-02 2019-11-15 中南大学 A kind of test device and its test method of compacted soil vaporous water and lyotropic salt migration
CN111103419A (en) * 2019-12-24 2020-05-05 中国环境科学研究院 Mineral leaching agent migration test system and mineral leaching agent migration conversion test system

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Granted publication date: 20140507

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