CN103499367A - Serial-resistance type infiltration range measuring device of two sides of river and measuring method thereof - Google Patents

Serial-resistance type infiltration range measuring device of two sides of river and measuring method thereof Download PDF

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Publication number
CN103499367A
CN103499367A CN201310325169.XA CN201310325169A CN103499367A CN 103499367 A CN103499367 A CN 103499367A CN 201310325169 A CN201310325169 A CN 201310325169A CN 103499367 A CN103499367 A CN 103499367A
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soil
soil moisture
sides
string
resistive
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CN103499367B (en
Inventor
金菊良
王宗志
郦建强
张明
汪哲荪
吴成国
蒋尚明
潘争伟
赵君
张礼兵
刘丽
周玉良
沈时兴
陈雰
程亮
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Hefei University of Technology
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Hefei University of Technology
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Abstract

The invention discloses a serial-resistance type infiltration range measuring device of two sides of a river and a measuring method thereof. The measuring device comprises serial-resistance type soil moisture sensors, cohesionless soil transition layers, a ground temperature sensor, and the like. A row of vertical measuring holes are drilled in the ground in an equidistant mode on the two sides of the river in the direction perpendicular to the water flow direction of the river respectively, one serial-resistance type soil moisture sensor is inserted in the center of each measuring hole, the cohesionless soil transition layers are poured into gaps between the serial-resistance type soil moisture sensors and hole walls of the measuring holes, the top ends of the serial-resistance type soil moisture sensors are flush with the ground, gravel protection layers cover the serial-resistance type soil moisture sensors, and fences and a drainage ditch are arranged on the peripheries of the gravel protection layers. The measuring device is applied to measuring infiltration ranges of soil with different properties on the two sides of the river and can measure the groundwater buried depth, soil dryness and humidity and the ground temperature. The measuring device has the advantages of being high in accuracy, large in measuring range, easy to install, and capable of outputting data of the infiltration range of the two sides of the river in real time, and the measuring device is a novel measuring device capable of utilizing water resources reasonably.

Description

String two sides, resistive stream infiltrate range test device and method of testing thereof
Technical field
The present invention relates in a kind of water resources rational use information acquisition system the devices and methods therefor of test two sides, stream bury of groundwater, soil dry humidity, ground temperature, go here and there specifically two sides, resistive stream and infiltrate range test device and method of testing thereof.
Background technology
At present, usually equidistantly excavate separately row's vertical shaft in the two sides, stream, adopt the water level in those vertical shafts of fixed time test to observe the two sides, stream infiltrate scope, because this kind of method exists humidity and ground temperature that can't testing soil, the problem such as automaticity is low, interference from human factor is large, environmental requirement is high, to gathering water resources rational use information, make troubles.
Summary of the invention
The purpose of this invention is to provide two sides, a kind of string resistive stream and infiltrate range test device and method of testing thereof, outside decapacitation test bury of groundwater, humidity and ground temperature that can also testing soil, and precision is high, range large, easily settle, can export in real time the data that the two sides, stream infiltrate scope.
Technical solution problem of the present invention adopts following technical scheme:
Two sides, a kind of string resistive stream infiltrate the range test device, comprised string resistive soil moisture sensor, the non-cohesive soil transition bed, ground temperature sensor, equidistantly get out separately the straight instrument connection of a lead discharging perpendicular to the stream water (flow) direction on the soil of two sides, stream, each instrument connection center is plugged with string resistive soil moisture sensor, be perfused with the non-cohesive soil transition bed in the gap of string resistive soil moisture sensor and instrument connection hole wall, the top of described string resistive soil moisture sensor is concordant with ground, be coated with the gravel protective seam on described string resistive soil moisture sensor, be provided with fence and trench drain in the periphery of this gravel protective seam.
Described string resistive soil moisture sensor device is as isodiametric straight tube shape, there is bottom the bottom of this device body, there is link cover of FIG on the top of device body, the device body is formed by connecting by several segment unit test section socket joints, there is the socket joint head upper end of described unit testing section, there is bearing socket the lower end of unit testing section, on the lateral wall of unit testing section, along centerline direction five the membrane type hygristors that have been equally spaced, and a ground temperature sensor is arranged on the end section of unit testing section; Be provided with basalis on the tube wall of the whole outside of described unit testing section, on this basalis, along centerline direction, equidistantly be provided with six electrode collars, on described basalis and all electrode collar, be provided with the humidity-sensitive material layer; Top in described device body unit testing topmost section is provided with an earth's surface ground temperature sensor, the cable of described every membrane type hygristor electrode collar, ground temperature sensor, earth's surface ground temperature sensor is drawn from the upper end of device body endoporus, and fluid sealant is all filled in the space in all unit testing sections of described device body endoporus.
Described ground temperature sensor is mounted with thermal sensing element in the through hole of unit testing section tube wall bottom, scribble heat-conducting glue on this thermal sensing element, on the described thermal sensing element of unit testing section lateral wall position, hoop has the heat conduction hoop, and the circle thorn of several equidistant protrusions is arranged on described heat conduction hoop; The version of described earth's surface ground temperature sensor is identical with ground temperature sensor.
A kind of method of testing of using string two sides, resistive stream to infiltrate the range test device, carry out according to the following procedure:
(1), on the ground of river course or two sides, ditch, measure out equidistant test point by the vertical river course of designing requirement or ditch direction separately;
(2) each test point is removed ground foreign material, after measuring the absolute altitude of each test point, by the degree of depth of designing requirement, with rig, gets out vertical instrument connection;
(3) string resistive soil moisture sensor vertical put into instrument connection, it is concordant with ground that the resistive soil moisture sensor of going here and there is placed in ,Qi top, instrument connection center;
(4) become soil paste with powder sand soil with the water mixing, this soil paste is poured into to instrument connection, tamp in the gap of string resistive soil moisture sensor and hole wall, after the soil paste depression is stable, again pour into soil paste until concordant with ground, the transition bed using this non-cohesive soil as string resistive soil moisture sensor and tested soil;
(5) the circular gravel protective seam that is 100 ㎝ at the thick diameter of string resistive soil moisture sensor end face making 2~3 ㎝ is placed the protection fence and digs out trench drain around the gravel protective seam;
(6), after in prospect hole to be measured, the moisture in soil paste is absorbed by soil, the cable that all string resistive soil moisture sensors are drawn infiltrates the range test instrument with string two sides, resistive stream and connects, and just can carry out the test that the two sides, stream infiltrate scope.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Two sides, a kind of string resistive stream of the present invention infiltrate range test device and method of testing thereof, this proving installation is applicable to the infiltration range test of the different soil properties in two sides, stream, can test bury of groundwater, soil dry humidity and ground temperature, have that precision is high, range is large, easily arrangement, fast response time, the life-span is long, cost is low, take up an area less, little to environmental requirement, export the characteristics that the two sides, stream infiltrate range data in real time, be a kind of new testing apparatus of water resources rational use.
The accompanying drawing explanation
Fig. 1 is that the two sides, string resistive stream in the present invention infiltrate the positive cross-sectional schematic of range test device work.
Fig. 2 is that the two sides, string resistive stream in the present invention infiltrate the positive sectional structure schematic diagram of range test device.
Fig. 3 is the positive sectional structure schematic diagram of string resistive soil moisture sensor unit testing section of the present invention.
Fig. 4 is the string resistive soil moisture sensor membrane type hygristor of the present invention place sectional structure schematic diagram of bowing.
Fig. 5 is the string resistive soil moisture sensor ground temperature sensor of the present invention place sectional structure schematic diagram of bowing.
Number in the figure: 1 stream, 2 water, 3 ground, 4 infiltrate range test device, 5 instrument connections, 6 non-cohesive soil transition beds, 7 gravel protective seams, 8 fence, 9 trench drains, 10 string resistive soil moisture sensors, 11 device bodies, 12 bottoms, 13 link cover of FIG, 14 unit testing sections, 15 membrane type hygristors, 16 basalises, 17 electrode collars, 18 humidity-sensitive material layers, 19 ground temperature sensors, 20 heat conduction hoops, 21 thermal sensing elements, 22 earth's surface temperature sensors.
Embodiment
Referring to Fig. 1~Fig. 5, two sides, a kind of string resistive stream infiltrate the range test device, comprised string resistive soil moisture sensor 10, non-cohesive soil transition bed 6, ground temperature sensor 19, equidistantly get out separately the straight instrument connection of a lead discharging 5 perpendicular to stream 1 water (flow) direction on the soil of 1 two sides, stream, each instrument connection 5 center is plugged with string resistive soil moisture sensor 10, be perfused with non-cohesive soil transition bed 6 in the gap of string resistive soil moisture sensor 10 and instrument connection 5 hole walls, the top of described string resistive soil moisture sensor 10 is concordant with ground 3, be coated with gravel protective seam 7 on described string resistive soil moisture sensor 10, be provided with fence 8 and trench drain 9 in the periphery of this gravel protective seam 7.
Described string resistive soil moisture sensor 10 device bodies 11 are isodiametric straight tube shape, and there is bottom 12 bottom of this device body 11, and there is link cover of FIG 13 on the top of device body 11, and device body 11 is formed by connecting by several segment unit test section 14 socket joints; There is the socket joint head upper end of described unit testing section 14, there is bearing socket the lower end of unit testing section 14, along centerline direction five the membrane type hygristors 15 that have been equally spaced, and a ground temperature sensor 19 is arranged on the end section of unit testing section 14 on the lateral wall of unit testing section 14; Be provided with basalis 16 on the tube wall of the whole outside of described unit testing section 14, on this basalis 16, along centerline direction, equidistantly be provided with six electrode collars 17, on described basalis 16 and all electrode collar 17, be provided with humidity-sensitive material layer 18; Top in described device body 11 sections of unit testing topmost 14 is provided with an earth's surface ground temperature sensor 22, the cable of described every membrane type hygristor 15 electrode collars 17, ground temperature sensor 19, earth's surface ground temperature sensor 22 is drawn from the upper end of device body 11 endoporus, and fluid sealant is all filled in the space in all unit testing section 14 endoporus of described device body 11.
Described ground temperature sensor 19 is mounted with thermal sensing element 21 in the through hole of unit testing section 14 tube wall bottoms, scribble heat-conducting glue on this thermal sensing element 21, on the unit testing section described thermal sensing element of 14 lateral wall 21 positions, hoop has heat conduction hoop 20, and the circle thorn of several equidistant protrusions is arranged on described heat conduction hoop 20; The version of described earth's surface ground temperature sensor 22 is identical with ground temperature sensor 19.
Two sides, a kind of described string resistive stream infiltrate the method for testing of range test device, carry out according to the following procedure:
(1), on the ground 3 of river course or 1 two sides, ditch, measure out equidistant test point by the vertical river course of designing requirement or ditch 1 direction separately;
(2) each test point is removed ground foreign material, after measuring the absolute altitude of each test point, by the degree of depth of designing requirement, with rig, gets out vertical instrument connection 5;
(3) string resistive soil moisture sensor 10 vertical put into instrument connection 5, it is concordant with ground 3 that the resistive soil moisture sensor 10 of going here and there is placed in instrument connection 5 ,Qi tops, center;
(4) become soil paste with powder sand soil with the water mixing, this soil paste is poured into to instrument connection 5, tamp the gap with hole wall in string resistive soil moisture sensor 10, after the soil paste depression is stable, again pour into soil paste until concordant with ground 3, using this non-cohesive soil as string resistive soil moisture sensor 10 transition bed 6 with tested soil;
(5) the circular gravel protective seam 7 that is 100 ㎝ at the thick diameter of string resistive soil moisture sensor 10 end face making 2~3 ㎝ is placed protection fence 8 and digs out trench drain 9 around gravel protective seam 7;
(6), after the moisture in the interior soil paste of prospect hole 5 to be measured is absorbed by soil, the cable that all string resistive soil moisture sensors 10 are drawn infiltrates the range test instrument with string two sides, resistive stream and connects, and just can carry out the test that the two sides, stream infiltrate scope.
Stream 1 was the passage of water; Water 2 is the water in stream; Ground 3 is original grounds; The effect that infiltrates range test device 4 is the information that test two sides, stream infiltrate ground temperature, bury of groundwater and the soil dry humidity of scope; The effect of instrument connection 5 is to plant go here and there resistive soil moisture sensor 10 and non-cohesive soil transition bed 6 is set; The effect of non-cohesive soil transition bed 6 is protection string resistive soil moisture sensors 10, and can thoroughly wet, permeable, ventilative; The effect of 7 gravel protective seams be breathe freely, permeable, do not allow plant growth, protection string resistive soil moisture sensor 10; The effect of fence 8 is protection string resistive soil moisture sensors 19; The effect in 9 trench drains is to prevent accumulated water; The effect of string resistive soil moisture sensor 10 is tests of ground temperature, bury of groundwater and soil dry humidity; The effect of device body 11 is, by unit testing section 14, membrane type hygristor 15 and ground temperature sensor 19 are set; The effect of bottom 12 is by device body 11 back covers; The effect of link cover of FIG 13 is the cables of drawing all membrane type hygristors 15 and ground temperature sensor 19, is again top cover; The effect of unit testing section 14 is that membrane type hygristor 15 and ground temperature sensor 19 are set, so that transportation and installation; The effect of membrane type hygristor 15 is bury of groundwater and the soil dry humidity in the water infiltration scope of test stream; The effect of basalis 16 is substrates of humidity-sensitive material layer 18; The effect of electrode collar 17 is electrodes of membrane type hygristor 15; The effect of humidity-sensitive material layer 18 is humidity-sensitive materials of membrane type hygristor 15; The effect of fluid sealant is that device body 11 internal pores are filled up, and waterproof; The effect of ground temperature sensor 19 is underground temperature in the water infiltration scope of test stream; The effect of heat conduction hoop 20 is temperature of transmitting soil; The effect of heat-conducting glue is that heat conduction hoop 20 is passed to thermal sensing element 21; The effect of thermal sensing element 21 is elements of sensing temperature; The effect of earth's surface temperature sensor 22 is the temperature on earth's surface in the water infiltration scope of test stream.
String two sides, resistive stream infiltrate the range test device: range: 5%~100%RH; Precision: ± 5%RH; Resolution: 0.01RH; Response time: moisture absorption≤10S; Dehumidification≤20S; The soil moisture: 0 ℃~60 ℃.

Claims (4)

1. string two sides, resistive stream infiltrate the range test device, comprised string resistive soil moisture sensor, the non-cohesive soil transition bed, ground temperature sensor, it is characterized in that: on the soil of two sides, stream, perpendicular to the stream water (flow) direction, equidistantly get out separately the straight instrument connection of a lead discharging, each instrument connection center is plugged with string resistive soil moisture sensor, be perfused with the non-cohesive soil transition bed in the gap of string resistive soil moisture sensor and instrument connection hole wall, the top of described string resistive soil moisture sensor is concordant with ground, be coated with the gravel protective seam on described string resistive soil moisture sensor, be provided with fence and trench drain in the periphery of this gravel protective seam.
2. two sides, string resistive stream according to claim 1 infiltrate the range test device, it is characterized in that: described string resistive soil moisture sensor device is as isodiametric straight tube shape, there is bottom the bottom of this device body, there is link cover of FIG on the top of device body, the device body is formed by connecting by several segment unit test section socket joints, there is the socket joint head upper end of described unit testing section, there is bearing socket the lower end of unit testing section, along centerline direction five the membrane type hygristors that have been equally spaced, and a ground temperature sensor is arranged on the end section of unit testing section on the lateral wall of unit testing section; Be provided with basalis on the tube wall of the whole outside of described unit testing section, on this basalis, along centerline direction, equidistantly be provided with six electrode collars, on described basalis and all electrode collar, be provided with the humidity-sensitive material layer; Top in described device body unit testing topmost section is provided with an earth's surface ground temperature sensor, the cable of described every membrane type hygristor electrode collar, ground temperature sensor, earth's surface ground temperature sensor is drawn from the upper end of device body endoporus, and fluid sealant is all filled in the space in all unit testing sections of described device body endoporus.
3. two sides, string resistive stream according to claim 2 infiltrate the range test device, it is characterized in that: described ground temperature sensor is mounted with thermal sensing element in the through hole of unit testing section tube wall bottom, scribble heat-conducting glue on this thermal sensing element, on the described thermal sensing element of unit testing section lateral wall position, hoop has the heat conduction hoop, and the circle thorn of several equidistant protrusions is arranged on described heat conduction hoop; The version of described earth's surface ground temperature sensor is identical with ground temperature sensor.
4. a right to use requires 1 two sides, described string resistive stream to infiltrate the method for testing of range test device, it is characterized in that, carries out according to the following procedure:
(1), on the ground of river course or two sides, ditch, measure out equidistant test point by the vertical river course of designing requirement or ditch direction separately;
(2) each test point is removed ground foreign material, after measuring the absolute altitude of each test point, by the degree of depth of designing requirement, with rig, gets out vertical instrument connection;
(3) string resistive soil moisture sensor vertical put into instrument connection, it is concordant with ground that the resistive soil moisture sensor of going here and there is placed in ,Qi top, instrument connection center;
(4) become soil paste with powder sand soil with the water mixing, this soil paste is poured into to instrument connection, tamp in the gap of string resistive soil moisture sensor and hole wall, after the soil paste depression is stable, again pour into soil paste until concordant with ground, the transition bed using this non-cohesive soil as string resistive soil moisture sensor and tested soil;
(5) the circular gravel protective seam that is 100 ㎝ at the thick diameter of string resistive soil moisture sensor end face making 2~3 ㎝ is placed the protection fence and digs out trench drain around the gravel protective seam;
(6), after in prospect hole to be measured, the moisture in soil paste is absorbed by soil, the cable that all string resistive soil moisture sensors are drawn infiltrates the range test instrument with string two sides, resistive stream and connects, and just can carry out the test that the two sides, stream infiltrate scope.
CN201310325169.XA 2013-07-30 2013-07-30 String two sides, resistive stream Infiltrating extrent method of testing Active CN103499367B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110285867A (en) * 2019-07-29 2019-09-27 北京中建建筑科学研究院有限公司 Prefabricated concrete structure reinforced bar sleeve grouting plumpness monitoring device and method
CN110595577A (en) * 2019-10-18 2019-12-20 中国地质科学院岩溶地质研究所 Drilling underground water level measuring device

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CN202330229U (en) * 2011-09-30 2012-07-11 中国科学院新疆生态与地理研究所 Device for monitoring water infiltration and water content of soil
CN103063712A (en) * 2012-12-27 2013-04-24 合肥工业大学 Layered soil moisture lysimeter sensor and installation method thereof
CN203375992U (en) * 2013-07-30 2014-01-01 合肥工业大学 Serial resistance type device testing infiltration scope of stream banks

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570030A (en) * 1993-05-07 1996-10-29 Wightman; William E. Moisture sensor and control system
JP2003232043A (en) * 2002-02-06 2003-08-19 Oki Electric Ind Co Ltd Detector for abnormal soil, detection system for abnormal soil, and its detection method
CN2643294Y (en) * 2003-09-03 2004-09-22 太原理工天成科技股份有限公司 Capacitor type liquid level sensor
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110285867A (en) * 2019-07-29 2019-09-27 北京中建建筑科学研究院有限公司 Prefabricated concrete structure reinforced bar sleeve grouting plumpness monitoring device and method
CN110595577A (en) * 2019-10-18 2019-12-20 中国地质科学院岩溶地质研究所 Drilling underground water level measuring device
CN110595577B (en) * 2019-10-18 2024-05-21 中国地质科学院岩溶地质研究所 Underground water level measuring device for drilling

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