WO2016110152A1 - 一种土壤ec值测试装置及其使用方法 - Google Patents

一种土壤ec值测试装置及其使用方法 Download PDF

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WO2016110152A1
WO2016110152A1 PCT/CN2015/093673 CN2015093673W WO2016110152A1 WO 2016110152 A1 WO2016110152 A1 WO 2016110152A1 CN 2015093673 W CN2015093673 W CN 2015093673W WO 2016110152 A1 WO2016110152 A1 WO 2016110152A1
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sensor
soil
container
pvc
inner container
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PCT/CN2015/093673
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English (en)
French (fr)
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李振才
黄征
王希
张磊
尹振中
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沈阳远大智能农业有限公司
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Publication of WO2016110152A1 publication Critical patent/WO2016110152A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials

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  • the invention relates to a testing device, in particular to a soil EC value testing device and a using method thereof.
  • the known EC value measurement method in the field of agricultural irrigation control systems is that the handheld sensor directly measures the ion concentration of the sampled irrigation solution, so that the measured value is only the measurement result before the irrigation of the crop, and usually, the agricultural technician adopts The data obtained by the measurement method is used as a basis for judging whether the soil fertilizer ion concentration is up to standard.
  • the parameters obtained by this non-precise measurement method do not truly reflect the concentration of fertilizer ions in the substrate (soil) after irrigation, which may adversely affect the growth of the crop.
  • the invention provides a soil EC value testing device and a using method thereof, which can enable an EC sensor to measure the ion concentration of the fertilizer in the soil to be tested, and can enable the sensor probe to monitor the change of the fertilizer ion concentration in the soil during the drip irrigation process in real time. Solving the problem that existing measurement techniques cannot truly reflect the concentration of fertilizer ions contained in the soil.
  • a soil EC value testing device comprising an EC sensor assembly and a solution testing container assembly
  • the EC sensor assembly includes an EC sensor, a PVC sleeve, and an adapter sleeve.
  • the EC sensor includes a sensor probe, a sensor cable, and a cable fastening connector.
  • the sensor probe is coupled to the sensor cable through a cable fastening connector, and the sensor The probe is arranged in the PVC sleeve, the cable fastening joint is connected with the adapter sleeve, the adapter sleeve is connected with the upper end of the PVC sleeve, the lower end of the PVC sleeve is provided with a measuring hole, and the sensor probe corresponds to the position of the measuring hole;
  • the solution test container assembly comprises an outer container, an inner container, a plastic corrugated tube, a PVC fixed tube, a filter sponge, a clamping joint and a resin glue
  • the outer container and the inner container are in the shape of a basin, and the inner container is disposed above the outer container, the plastic corrugation
  • the tube is bonded to the inner container by the resin glue along the lower end and the upper end of the outer container, and a plurality of PVC fixed tubes are disposed between the outer container and the inner container to form a space for accommodating the solution; a plurality of filter holes, the filter sponge is adhered to the bottom of the inner container by resin glue, and the filter sponge is provided with a through hole at the bottom of the inner container, and the clamp joint is installed in the through hole;
  • the outer container is disposed on the pot wall Overflow hole
  • the EC sensor assembly is mounted within the clamp joint and the sensor probe is located in a space containing the solution formed between the outer container and the inner container.
  • the soil EC value testing device is configured such that the upper end of the PVC sleeve is closed to form a closing portion, and the outer portion of the adapter sleeve is provided with a guiding portion, an anti-shedding portion and a shoulder, and the guiding portion
  • the maximum outer diameter of the guiding portion is larger than the outer diameter of the anti-shedding portion, and the maximum outer diameter of the guiding portion is greater than the inner diameter of the closing portion.
  • the soil EC value testing device has a card table disposed inside the upper end of the adapter sleeve, and a guiding portion, a fitting portion and a stop portion are disposed outside the cable fastening joint, and the guiding portion is a front portion a thick conical shape, a maximum outer diameter of the guiding portion is larger than an inner diameter of the card table, an outer diameter of the fitting portion is matched with an inner diameter of the card table, and the card table passes the guiding under an external force The portion reaches the set portion and is caught on the stop, so that the cable fastening joint is coupled with the adapter sleeve.
  • the soil EC value testing device has a plurality of fixing holes 1 in the inner container basin wall, and a plurality of fixing holes 2 are disposed in the outer container basin wall, and the two ends of the PVC fixing tube are respectively The fixing hole and the fixing hole are installed in an interference fit.
  • the invention also relates to a method for using a soil EC value testing device, the method is: digging a pit in the soil to be tested, placing the above soil EC value testing device in the pit, and then using the soil The pit is filled in; the sensor cable is connected to the receiving device to realize real-time monitoring of changes in the fertilizer composition in the soil.
  • the soil EC value testing device of the invention can effectively protect the sensor probe, so that the sensor probe can accurately touch the tested solution and can monitor the fertilizer component in the soil in real time under the premise of normal operation of the device, and the structural design Reasonable, the installation steps are simple.
  • the soil EC value testing device of the present invention not only enables the EC sensor to be detected Measuring the ion concentration of the fertilizer in the soil, and enabling the sensor probe to monitor the change of the fertilizer ion concentration in the soil during the drip irrigation process in real time, so that the agricultural technician can observe the reliable data, so as to increase the amount of fertilizer as appropriate and timely.
  • Rational control is implemented to control the growth trend of crops and production costs in advance and effectively, so as to achieve the purpose of intensive production mode of precision irrigation.
  • Figure 1 is a structural diagram of an EC sensor assembly
  • FIG. 2 is a schematic exploded view of an EC sensor assembly
  • Figure 3 is an enlarged view of a portion A in Figure 2;
  • Figure 4 is an enlarged view of B in Figure 2;
  • Figure 5 is a schematic exploded view of the soil EC value test device
  • Figure 6 is a front view of the inner container
  • Figure 7 is a plan view of the inner container
  • Figure 8 is a front view of the outer container
  • Figure 9 is a plan view of the outer container
  • Figure 10 is a diagram showing the assembled state of the soil EC value test device.
  • a soil EC value testing device includes an EC sensor assembly and a solution test container assembly; the EC sensor assembly includes an EC sensor, a PVC sleeve 5, and an adapter sleeve 4, and the EC sensor includes a sensor probe.
  • the sensor cable 2 and the cable fastening joint 3, the sensor probe 1 is connected to the sensor cable 2 through the cable fastening joint 3, and the sensor probe 1 is disposed in the PVC sleeve 5;
  • the cable fastening joint 3 is connected to the adapter sleeve 4, and the upper end of the adapter sleeve 4 is internally provided with a card table 11, and the cable fastening joint 3 is externally provided with a guiding portion 12, a fitting portion 13 and a stop 14, the guiding
  • the portion 12 is a conical shape having a front thin and a thick shape, a maximum outer diameter of the guiding portion 12 is larger than an inner diameter of the card table 11, and an outer diameter of the fitting portion 13 is matched with an inner diameter of the card table 11,
  • the card table 11 passes the guiding portion 12 to the set portion 13 and is caught on the stop portion 14 by an external force, so that the cable fastening joint 3 and the adapter sleeve 4 are connected together;
  • the adapter sleeve 4 is connected to the upper end of the PVC sleeve 5, and the upper end of the PVC sleeve 5 is closed to form a closing portion 7, and the adapter sleeve 4 is provided with a guiding portion 8, an anti-shedding portion 9 and a shoulder portion 10,
  • the guiding portion 8 is a conical shape which is thick and thin in front, and the maximum outer diameter of the guiding portion 8 is larger than the outer diameter of the anti-shedding portion 9.
  • the maximum outer diameter of the guiding portion 8 is the inner diameter of the closing portion 7.
  • the degree of interference is greater than the degree of interference of the outer diameter of the anti-shedding portion 9 with respect to the inner diameter of the cuff portion 7, and the cuff portion 7 passes the guiding portion 8 to the anti-shedding portion 9 by an external force.
  • the upper end of the PVC sleeve 5 is connected with the adapter sleeve 4;
  • the lower end of the PVC sleeve 5 is provided with a measuring hole 6 corresponding to the position of the measuring hole 6;
  • the solution testing container assembly comprises an outer container 21, an inner container 22, a plastic bellows 23, a PVC fixing tube 24, and a filtering sponge 25
  • the clamping joint 26 and the resin glue, the outer container 21 and the inner container 22 are in the shape of a basin, the inner container 22 is disposed above the outer container 21, and the plastic bellows 23 passes the resin glue and the basin of the inner container 22 along the lower end and the outer container 21
  • the pots are bonded together along the upper end, and a plurality of PVC fixing tubes 24 are disposed between the outer container 21 and the inner container 22 to form a space for accommodating the solution;
  • the inner container 22 A plurality of fixing holes 28 are disposed in the wall of the basin, and a plurality of fixing holes 30 are disposed in the wall of the outer container 21.
  • the two ends of the PVC fixing tube 24 respectively pass through the fixing hole 28 and the fixing hole
  • a plurality of filter holes 29 are disposed in the bottom of the inner container 22, and the filter sponge 25 is adhered to the bottom of the inner container 22 by resin glue.
  • the filter sponge 25 and the bottom of the inner container 22 are provided with a through hole 27, and the clamp joint 26 is installed.
  • an overflow hole 31 is disposed in the basin wall of the outer container 21; the EC sensor assembly is installed in the clamping joint 26, and the inside of the clamping joint 26 is an elastic material, and the sensor probe 1 is located A space for accommodating the solution formed between the outer container 21 and the inner container 22.
  • the above soil EC value testing device is used by: digging a pit in the soil to be tested, placing the above soil EC value testing device in the pit, and then filling the pit with soil;
  • the cable 2 is connected to the signal receiving device to enable real-time monitoring of changes in the fertilizer composition in the soil.

Abstract

一种土壤EC值测试装置及其使用方法，所述装置包括EC传感器组件和溶液测试容器组件；所述EC传感器组件包括EC传感器、PVC套管（5）和转接套（4），EC传感器包括传感器探头（1）、传感器线缆（2）和线缆紧固接头（3），所述溶液测试容器组件包括外侧容器（21）、内侧容器（22）、塑料波纹管（23）、PVC固定管（24）、过滤海绵（25）、夹持接头（26）和树脂胶，所述EC传感器组件安装在所述夹持接头（26）内，所述传感器探头（1）位于外侧容器（21）与内侧容器（22）之间形成的容纳溶液的空间里。所述装置及其使用方法，能使EC传感器测出被测土壤中肥料的离子浓度，而且能使传感器探头（1）实时地监控在滴灌过程中土壤中肥料离子浓度的变化情况。

Description

一种土壤EC值测试装置及其使用方法 技术领域
本发明涉及一种测试装置，具体涉及一种土壤EC值测试装置及其使用方法。
背景技术
目前，公知的农业灌溉控制系统领域中EC值测量方法是手持传感器直接测量取样灌溉溶液的离子浓度，这样所测量的数值仅为对农作物实施灌溉之前的测量结果，通常情况下，农业技术人员采用该测量方法所获得的数据即作为土壤肥料离子浓度是否达标的判断依据。但是，采用这种非精准性的测量方式所得到的参数并不能真实地反映灌溉后基质(土壤)中的肥料离子浓度，可能导致作物的生长情况受到不良影响。而现有技术中没有一种结构设计合理的土壤EC值测试装置来测量灌溉后土壤中所包含的真实的肥料离子浓度。
发明内容
本发明提供一种土壤EC值测试装置及其使用方法，能使EC传感器测出被测土壤中肥料的离子浓度，而且能使传感器探头实时地监控在滴灌过程中土壤中肥料离子浓度的变化情况，解决现有的测量技术不能得到真实地反映土壤中所包含的肥料离子浓度的问题。
本发明的技术方案如下：
一种土壤EC值测试装置，包括EC传感器组件和溶液测试容器组件；
所述EC传感器组件包括EC传感器、PVC套管和转接套，EC传感器包括传感器探头、传感器线缆和线缆紧固接头，传感器探头通过线缆紧固接头与传感器线缆连接在一起,传感器探头设置在PVC套管中，线缆紧固接头与转接套连接，转接套与PVC套管上端连接，PVC套管下端设有测量孔，传感器探头与测量孔的位置对应；
所述溶液测试容器组件包括外侧容器、内侧容器、塑料波纹管、PVC固定管、过滤海绵、夹持接头和树脂胶，外侧容器和内侧容器为盆状，内侧容器设置于外侧容器上方，塑料波纹管通过树脂胶与内侧容器的盆沿下端及外侧容器的盆沿上端粘结在一起，外侧容器与内侧容器之间设置多个PVC固定管，以形成容纳溶液的空间；内侧容器的盆底设置多个过滤孔，过滤海绵通过树脂胶粘接于内侧容器的盆底，过滤海绵与内侧容器的盆底设置一个通孔，夹持接头安装在所述通孔中；外侧容器的盆壁上设置溢水孔；
所述EC传感器组件安装在所述夹持接头内，所述传感器探头位于外侧容器与内侧容器之间形成的容纳溶液的空间里。
所述的土壤EC值测试装置，其优选方案为，所述PVC套管的上端做收口处理形成收口部位，所述转接套外部设有导向部位、防脱落部位和肩台，所述导向部位为前细后粗的圆锥形，所述导向部位的最大外径大于所述防脱落部位外径，所述导向部位的最大外径对于所述收口部位的内径的过盈度大于所述防脱落部位的外径相对于所述 收口部位的内径的过盈度，所述收口部位在外力作用下经过所述导向部位到达所述防脱落部位并卡在所述肩台上，使所述PVC套管的上端与所述转接套连接在一起。
所述的土壤EC值测试装置，其优选方案为，所述转接套上端内部设有卡台，线缆紧固接头外部设置引导部位、套装部位和止台，所述引导部位为前细后粗的圆锥形，所述引导部位的最大外径大于所述卡台的内径，所述套装部位的外径与所述卡台的内径相配合，所述卡台在外力作用下经过所述引导部位到达所述套装部位并卡在所述止台上，使所述线缆紧固接头与所述转接套连接在一起。
所述的土壤EC值测试装置，其优选方案为，所述内侧容器盆壁设置多个固定孔一，所述外侧容器盆壁设置多个固定孔二，所述PVC固定管的两端分别与所述固定孔一及所述固定孔二过盈配合安装。
本发明还涉及一种土壤EC值测试装置的使用方法，所述方法过程为：在待测土壤中挖好凹坑，将上述的土壤EC值测试装置放置在所述凹坑内，然后用土将所述凹坑填平；将所述传感器线缆连接到接收设备上，实现对土壤中的肥料成分变化进行实时的监控。
本发明的有益效果如下：
1、本发明的土壤EC值测试装置，可以对传感器探头进行有效的保护，使传感器探头准确的触及被测溶液并能在设备正常工作的前提下对土壤中肥料成分进行实时的监控，结构设计合理，安装操作步骤简单。
2、本发明的土壤EC值测试装置，不仅能使EC传感器测出被 测土壤中肥料的离子浓度，而且能使传感器探头实时地监控在滴灌过程中土壤中肥料离子浓度的变化情况，以使农业技术人员观测到可靠地数据，从而酌情且及时地对肥料的添加量实施合理的控制，从而事先并有效地控制作物的生长趋势以及生产成本，从而达到精准灌溉的集约式生产模式的目的。
附图说明
图1为EC传感器组件结构图；
图2为EC传感器组件展开示意图；
图3为图2中A处放大图；
图4为图2中B处放大图；
图5为土壤EC值测试装置爆炸展开示意图；
图6为内侧容器主视图；
图7为内侧容器俯视图；
图8为外侧容器主视图；
图9为外侧容器俯视图；
图10土壤EC值测试装置组装状态图。
具体实施方式
如图1～10所示，一种土壤EC值测试装置，包括EC传感器组件和溶液测试容器组件；所述EC传感器组件包括EC传感器、PVC套管5和转接套4，EC传感器包括传感器探头1、传感器线缆2和线缆紧固接头3，传感器探头1通过线缆紧固接头3与传感器线缆2连接在一起,传感器探头1设置在PVC套管5中；
线缆紧固接头3与转接套4连接，所述转接套4上端内部设有卡台11，线缆紧固接头3外部设置引导部位12、套装部位13和止台14，所述引导部位12为前细后粗的圆锥形，所述引导部位12的最大外径大于所述卡台11的内径，所述套装部位13的外径与所述卡台11的内径相配合，所述卡台11在外力作用下经过所述引导部位12到达所述套装部位13并卡在所述止台14上，使所述线缆紧固接头3与所述转接套4连接在一起；
转接套4与PVC套管5上端连接，所述PVC套管5的上端做收口处理形成收口部位7，所述转接套4外部设有导向部位8、防脱落部位9和肩台10，所述导向部位8为前细后粗的圆锥形，所述导向部位8的最大外径大于所述防脱落部位9外径，所述导向部位8的最大外径对于所述收口部位7的内径的过盈度大于所述防脱落部位9的外径相对于所述收口部位7的内径的过盈度，所述收口部位7在外力作用下经过所述导向部位8到达所述防脱落部位9并卡在所述肩台10上，使所述PVC套管5的上端与所述转接套4连接在一起；
PVC套管5下端设有测量孔6，传感器探头1与测量孔6的位置对应；所述溶液测试容器组件包括外侧容器21、内侧容器22、塑料波纹管23、PVC固定管24、过滤海绵25、夹持接头26和树脂胶，外侧容器21和内侧容器22为盆状，内侧容器22设置于外侧容器21上方，塑料波纹管23通过树脂胶与内侧容器22的盆沿下端及外侧容器21的盆沿上端粘结在一起，外侧容器21与内侧容器22之间设置多个PVC固定管24，以形成容纳溶液的空间；所述内侧容器22 盆壁设置多个固定孔一28，所述外侧容器21盆壁设置多个固定孔二30，所述PVC固定管24的两端分别与所述固定孔一28及所述固定孔二30过盈配合安装；
内侧容器22的盆底设置多个过滤孔29，过滤海绵25通过树脂胶粘接于内侧容器22的盆底，过滤海绵25与内侧容器22的盆底设置一个通孔27，夹持接头26安装在所述通孔27中；外侧容器21的盆壁上设置溢水孔31；所述EC传感器组件安装在所述夹持接头26内，夹持接头26里面为弹性材料，所述传感器探头1位于外侧容器21与内侧容器22之间形成的容纳溶液的空间里。
上述土壤EC值测试装置的使用方法为：在待测土壤中挖好凹坑，将上述的土壤EC值测试装置放置在所述凹坑内，然后用土将所述凹坑填平；将所述传感器线缆2连接到信号接收设备上，实现对土壤中的肥料成分变化进行实时的监控。

Claims (5)

  1. 一种土壤EC值测试装置，其特征在于，所述装置包括EC传感器组件和溶液测试容器组件；
    所述EC传感器组件包括EC传感器、PVC套管和转接套，EC传感器包括传感器探头、传感器线缆和线缆紧固接头，传感器探头通过线缆紧固接头与传感器线缆连接在一起,传感器探头设置在PVC套管中，线缆紧固接头与转接套连接，转接套与PVC套管上端连接，PVC套管下端设有测量孔，传感器探头与测量孔的位置对应；
    所述溶液测试容器组件包括外侧容器、内侧容器、塑料波纹管、PVC固定管、过滤海绵、夹持接头和树脂胶，外侧容器和内侧容器为盆状，内侧容器设置于外侧容器上方，塑料波纹管通过树脂胶与内侧容器的盆沿下端及外侧容器的盆沿上端粘结在一起，外侧容器与内侧容器之间设置多个PVC固定管，以形成容纳溶液的空间；内侧容器的盆底设置多个过滤孔，过滤海绵通过树脂胶粘接于内侧容器的盆底，过滤海绵与内侧容器的盆底设置一个通孔，夹持接头安装在所述通孔中；外侧容器的盆壁上设置溢水孔；
    所述EC传感器组件安装在所述夹持接头内，所述传感器探头位于外侧容器与内侧容器之间形成的容纳溶液的空间里。
  2. 根据权利要求1所述的土壤EC值测试装置，其特征在于，所述PVC套管的上端做收口处理形成收口部位，所述转接套外部设 有导向部位、防脱落部位和肩台，所述导向部位为前细后粗的圆锥形，所述导向部位的最大外径大于所述防脱落部位外径，所述导向部位的最大外径对于所述收口部位的内径的过盈度大于所述防脱落部位的外径相对于所述收口部位的内径的过盈度，所述收口部位在外力作用下经过所述导向部位到达所述防脱落部位并卡在所述肩台上，使所述PVC套管的上端与所述转接套连接在一起。
  3. 根据权利要求1所述的土壤EC值测试装置，其特征在于，所述转接套上端内部设有卡台，线缆紧固接头外部设置引导部位、套装部位和止台，所述引导部位为前细后粗的圆锥形，所述引导部位的最大外径大于所述卡台的内径，所述套装部位的外径与所述卡台的内径相配合，所述卡台在外力作用下经过所述引导部位到达所述套装部位并卡在所述止台上，使所述线缆紧固接头与所述转接套连接在一起。
  4. 根据权利要求1所述的土壤EC值测试装置，其特征在于，所述内侧容器盆壁设置多个固定孔一，所述外侧容器盆壁设置多个固定孔二，所述PVC固定管的两端分别与所述固定孔一及所述固定孔二过盈配合安装。
  5. 一种如权利要求1～4所述的土壤EC值测试装置的使用方法，其特征在于，所述方法过程为：在待测土壤中挖好凹坑，将所述土壤EC值测试装置放置在所述凹坑内，然后用土将所述凹坑填平；将所述传感器线缆连接到接收设备上，实现对土壤中的肥料成分变化进行实时的监控。
PCT/CN2015/093673 2015-01-08 2015-11-03 一种土壤ec值测试装置及其使用方法 WO2016110152A1 (zh)

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