CN106383138A - Soil volume-weight measuring sensor - Google Patents

Soil volume-weight measuring sensor Download PDF

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Publication number
CN106383138A
CN106383138A CN201510442102.3A CN201510442102A CN106383138A CN 106383138 A CN106383138 A CN 106383138A CN 201510442102 A CN201510442102 A CN 201510442102A CN 106383138 A CN106383138 A CN 106383138A
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CN
China
Prior art keywords
probe
clamping
strip
probes
cable
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Pending
Application number
CN201510442102.3A
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Chinese (zh)
Inventor
蒋永年
蒋鑫池
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JIANGSU ZHONGNONG INTERNET OF THINGS TECHNOLOGY Co Ltd
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JIANGSU ZHONGNONG INTERNET OF THINGS TECHNOLOGY Co Ltd
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Application filed by JIANGSU ZHONGNONG INTERNET OF THINGS TECHNOLOGY Co Ltd filed Critical JIANGSU ZHONGNONG INTERNET OF THINGS TECHNOLOGY Co Ltd
Priority to CN201510442102.3A priority Critical patent/CN106383138A/en
Publication of CN106383138A publication Critical patent/CN106383138A/en
Pending legal-status Critical Current

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Abstract

The invention provides a soil volume-weight measuring sensor including probes, a handle for fixing the probes, a cable tester, cables, a data acquisition instrument and a direct-current power supply; the probes include a heating probe and temperature probes. The soil volume-weight measuring sensor is characterized in that the handle includes a fixed platform and clamping sleeves; the center of the fixed platform is provided with strip-shaped clamping grooves at intervals along the longitudinal axis; the clamping sleeves are clamped with the strip-shaped clamping grooves and can slide reciprocatingly along the strip-shaped clamping grooves; two sides of the strip-shaped clamping grooves are both provided with strip-shaped plastic clamping strips; the outer wall of each clamping sleeve is provided with auricles provided with staple bolts; the staple bolts and clamping holes correspondingly formed in the strip-shaped plastic clamping strips are clamped and fixed; the probes are inserted in the clamping sleeves. The soil volume-weight measuring sensor greatly improves the measurement accuracy, reduces the measuring error, has simple structure, and is convenient for industrialized application.

Description

A kind of measurement soil weight sensor
Technical field
The present invention relates to field planting environmental monitoring, particularly to a kind of sensor of the measurement soil weight.
Background technology
The soil weight refers to the weight of solid in unit volume soil, is the important physical character of reflection soil density and porosity status.Crop root being distributed and its absorption to water and nutrient, the motion of the activity of soil microorganism, soil moisture and gas and exchange process, soil by machines performance in soil(Including contractility, tilth and aggregate stability etc.), migration in soil for the pollutant and conversion and soil runoff and erosion process etc. all have close relationship with the soil weight.The technology measuring the soil weight is more, and the method for the traditional measurement soil weight has core cutter method, wax coating method etc., simple and easy to do and precision is higher.But the Spatial Variability due to soil characteristic, needs the sample of greater number can obtain representative observation.Meanwhile, Field sampling is wasted time and energy, serious to soil fail, and sampling and measuring not reproducible to same place is it is difficult to realize location observation.
The probe of current Thermo-TDR probe is thinner, diameter only has 1.3 millimeters, spacing is less, it is about 6 millimeters, and length is 40 millimeters, research shows, in heat capacity of volume measurement, the error of probe spacing (r) is the key factor of impact thermal pulse technology measurement result, is also the source of error place that this sensor measures the soil weight.When probe insertion soil, the distance between two probes often changes a lot, and leads to reality(r)Value changes and then brings the evaluated error of unit weight.
Content of the invention
In order to solve the above problems, the present invention provide one kind can convenient and swift regulation probe spacing from reducing evaluated error, structure is simple, the convenient measurement soil weight sensor making.
For realizing the object of the invention, there is provided technical scheme below:A kind of measurement soil weight sensor,Including probe、The handle of fixing probe、Cable tester、Cable、Data collecting instrument and DC source,Probe includes heated probe、Temperature probe,It is characterized in that handle includes fixed platform and clamping set,Fixed platform center is longitudinally spaced apart and is provided with strip draw-in groove,Clamping set reciprocatingly slide can with strip draw-in groove clamping and along strip draw-in groove,Strip draw-in groove both sides are provided with and are provided with threaded plastic card article,Clamping set outer wall is provided with auricle,Bail is provided with auricle,The bail hole clipping that open up corresponding with threaded plastic card article connects and fixes,Probe is inserted in clamping set,Described tips of probes is helical form syringe needle,It is filled with high conductive material in probe,Probe includes a heated probe、Two temperature probes,Two temperature probes are divided into positioned at heated probe both sides,Described heated probe is internally provided with insulation resistance and thermocouple,It is provided only with thermocouple inside temperature probe,The center copper wire welding of cable is in heated probe upper-end part of driving,The reticulated conductive layer of cable periphery is divided into two strands of equivalent,It is respectively welded at two temperature probe upper ends,Cable is connected to cable tester,Insulation resistance connects DC source,Thermocouple is connected with data collecting instrument.
Preferably, handle material is epoxy resin.
Preferably, clamping set endoporus is provided with Memorability block rubber, probe inserts in fixing on Memorability block rubber.
A diameter of 65 microns of described insulation resistance wire, material is radiohm alloy, and resistance wire specification is 310.4 Ω m-1, and resistance wire length is 95 millimeters.
Described epoxide resin material is BRT2000 vinyl esters.
Beneficial effect of the present invention:Substantially increase certainty of measurement, reduce measurement error, structure is simple, is easy to commercial application.
Brief description
Fig. 1 is present configuration schematic diagram.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Specific embodiment
Embodiment 1:A kind of measurement soil weight sensor,Including probe 1、The handle 2 of fixing probe 1、Cable tester 3、Cable 4、Data collecting instrument 5 and DC source 6,Probe 1 includes heated probe 1.1、Temperature probe 1.2,Handle 2 includes fixed platform 2.1 and clamping set 2.2,Fixed platform 2.1 center is longitudinally spaced apart and is provided with strip draw-in groove 2.1.1,Clamping set 2.2 reciprocatingly slide can with strip draw-in groove 2.1.1 clamping and along strip draw-in groove 2.1.1,Strip draw-in groove 2.1.1 both sides are provided with and are provided with threaded plastic card article 2.1.2,Clamping covers 2.2 outer walls and is provided with auricle 2.2.1,Bail 2.2.2 is provided with auricle 2.2.1,Bail 2.2.2 is connected and fixed with corresponding hole clipping 2.1.3 opening up on threaded plastic card article 2.1.2,Probe 1 is inserted in clamping set 2.2,Described probe 1 top is helical form syringe needle,It is filled with high conductive material in probe 1,Probe 1 includes a heated probe 1.1、Two temperature probes 1.2,Two temperature probes 1.2 are divided into positioned at heated probe 1.1 both sides,Described heated probe 1.1 is internally provided with insulation resistance 7 and thermocouple 8,It is provided only with thermocouple 8 inside temperature probe 1.2,The center copper wire welding of cable 4 is in heated probe 1.1 upper-end part of driving,The reticulated conductive layer of cable 4 periphery is divided into two strands of equivalent,It is respectively welded at two temperature probe 1.2 upper ends,Cable 4 is connected to cable tester 3,Insulation resistance 7 connects DC source 6,Thermocouple 8 is connected with data collecting instrument 5.Handle 2 material is epoxy resin.Clamping covers 2.2 endoporus and is provided with Memorability block rubber, and probe 1 inserts in fixing on Memorability block rubber.The a diameter of 2mm of probe 1.
7 a diameter of 65 microns of described insulation resistance, material is radiohm alloy.
Described epoxide resin material is BRT2000 vinyl esters.

Claims (4)

1. a kind of measurement soil weight sensor,Including probe、The handle of fixing probe、Cable tester、Cable、Data collecting instrument and DC source,Probe includes heated probe、Temperature probe,It is characterized in that handle includes fixed platform and clamping set,Fixed platform center is longitudinally spaced apart and is provided with strip draw-in groove,Clamping set reciprocatingly slide can with strip draw-in groove clamping and along strip draw-in groove,Strip draw-in groove both sides are provided with and are provided with threaded plastic card article,Clamping set outer wall is provided with auricle,Bail is provided with auricle,The bail hole clipping that open up corresponding with threaded plastic card article connects and fixes,Probe is inserted in clamping set,Described tips of probes is helical form syringe needle,It is filled with high conductive material in probe,Probe includes a heated probe、Two temperature probes,Two temperature probes are divided into positioned at heated probe both sides,Described heated probe is internally provided with insulation resistance and thermocouple,It is provided only with thermocouple inside temperature probe,The center copper wire welding of cable is in heated probe upper-end part of driving,The reticulated conductive layer of cable periphery is divided into two strands of equivalent,It is respectively welded at two temperature probe upper ends,Cable is connected to cable tester,Insulation resistance connects DC source,Thermocouple is connected with data collecting instrument.
2. a kind of measurement soil weight sensor according to claim 1 is it is characterised in that handle material is epoxy resin.
3. it is characterised in that clamping set endoporus is provided with Memorability block rubber, probe inserts in fixing on Memorability block rubber a kind of measurement soil weight sensor according to claim 1.
4. a kind of measurement soil weight sensor according to claim 1 is it is characterised in that probe diameter is 2mm.
CN201510442102.3A 2015-07-26 2015-07-26 Soil volume-weight measuring sensor Pending CN106383138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510442102.3A CN106383138A (en) 2015-07-26 2015-07-26 Soil volume-weight measuring sensor

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Application Number Priority Date Filing Date Title
CN201510442102.3A CN106383138A (en) 2015-07-26 2015-07-26 Soil volume-weight measuring sensor

Publications (1)

Publication Number Publication Date
CN106383138A true CN106383138A (en) 2017-02-08

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CN201510442102.3A Pending CN106383138A (en) 2015-07-26 2015-07-26 Soil volume-weight measuring sensor

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108761041A (en) * 2018-06-07 2018-11-06 农业部规划设计研究院 A kind of device and detection method measuring livestock excrement composting material water ratio
CN110393115A (en) * 2019-07-08 2019-11-01 山东省农业科学院作物研究所 A kind of field management system suitable for soybean plastic-film-covered cultivation
CN112729992A (en) * 2021-01-19 2021-04-30 浙江大学 Thermophysical property testing device for organic contaminated soil

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05164711A (en) * 1991-12-16 1993-06-29 Kenichi Kitajima Thermal conductivity sensor
CN201429578Y (en) * 2009-07-02 2010-03-24 北京师范大学 Thermal pulse soil moisture sensor
CN102073034A (en) * 2010-10-22 2011-05-25 奇瑞汽车股份有限公司 Vehicle reversing radar testing rack
CN202216952U (en) * 2011-09-06 2012-05-09 中国地质调查局水文地质环境地质调查中心 Transient three-probe thermal pulse type hydrothermal parameter sensor
CN103389452A (en) * 2013-08-01 2013-11-13 无锡帝科电子材料科技有限公司 Probe detector capable of manually and rapidly lifting and pressing probes
CN203324265U (en) * 2013-05-16 2013-12-04 安徽朗坤物联网有限公司 Three-parameter soil measurement compound device
CN203705381U (en) * 2014-03-10 2014-07-09 中国农业大学 Soil bulk density measuring probe
CN204574979U (en) * 2015-02-06 2015-08-19 周晋峰 Punching auxiliary positioning chi is installed
CN204832079U (en) * 2015-07-26 2015-12-02 江苏中农物联网科技有限公司 Measure soil weight sensor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05164711A (en) * 1991-12-16 1993-06-29 Kenichi Kitajima Thermal conductivity sensor
CN201429578Y (en) * 2009-07-02 2010-03-24 北京师范大学 Thermal pulse soil moisture sensor
CN102073034A (en) * 2010-10-22 2011-05-25 奇瑞汽车股份有限公司 Vehicle reversing radar testing rack
CN202216952U (en) * 2011-09-06 2012-05-09 中国地质调查局水文地质环境地质调查中心 Transient three-probe thermal pulse type hydrothermal parameter sensor
CN203324265U (en) * 2013-05-16 2013-12-04 安徽朗坤物联网有限公司 Three-parameter soil measurement compound device
CN103389452A (en) * 2013-08-01 2013-11-13 无锡帝科电子材料科技有限公司 Probe detector capable of manually and rapidly lifting and pressing probes
CN203705381U (en) * 2014-03-10 2014-07-09 中国农业大学 Soil bulk density measuring probe
CN204574979U (en) * 2015-02-06 2015-08-19 周晋峰 Punching auxiliary positioning chi is installed
CN204832079U (en) * 2015-07-26 2015-12-02 江苏中农物联网科技有限公司 Measure soil weight sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108761041A (en) * 2018-06-07 2018-11-06 农业部规划设计研究院 A kind of device and detection method measuring livestock excrement composting material water ratio
CN110393115A (en) * 2019-07-08 2019-11-01 山东省农业科学院作物研究所 A kind of field management system suitable for soybean plastic-film-covered cultivation
CN112729992A (en) * 2021-01-19 2021-04-30 浙江大学 Thermophysical property testing device for organic contaminated soil

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Application publication date: 20170208

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