CN205538788U - Soil moisture monitor - Google Patents
Soil moisture monitor Download PDFInfo
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- CN205538788U CN205538788U CN201620087064.4U CN201620087064U CN205538788U CN 205538788 U CN205538788 U CN 205538788U CN 201620087064 U CN201620087064 U CN 201620087064U CN 205538788 U CN205538788 U CN 205538788U
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- soil
- soil moisture
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- signal conditioning
- sensor
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Abstract
The utility model provides a soil moisture monitor, includes: the soil water suction sensor, the soil water suction sensor is connected with AC/DC power supply and signal conditioning circuit, and signal conditioning circuit connects a display device, AC/DC power supply connects signal conditioning circuit and display device. The soil water suction sensor include the pot clay end, PVC nose end, this PVC union coupling discharge are located to the pot clay end, the discharge be equipped with the water filling port, this water filling port is equipped with the rubber stopper, discharge one side connect a pressure drag sensor, the pressure drag sensor connect an input line and output line. The utility model relates to a soil moisture monitor can be used to the monitoring of soil moisture content, realizes safe and reliable, the quick direct reading of survey soil moisture.
Description
Technical field
The utility model relates to a kind of soil monitoring device, and more specifically, the utility model relates to a kind of soil moisture monitor, it can be used for the monitoring of soil water content.
Background technology
Soil moisture has influence on the physical property of soil, govern the dissolving of nutrient, transfer and microbial activities in soil, and be the key factor constituting soil fertility, to the mensuration of soil moisture content to implementing precision agriculture, water-saving irrigation, improves agricultural production efficiency significant.
The mensuration of soil moisture is had a lot of method, and wherein weighting method after dried principle is simple, and precision is high, but complex operation, it is impossible to monitoring continuously is implemented in field；Although NEUTRON METHOD and gamma-rays method are quick and precisely, but there is radiological hazard health；Time domain reflectometry and frequency domain transmission method price comparison are expensive.
Utility model content
The purpose of this utility model is to provide a kind of soil moisture monitor, can be used for the monitoring of soil water content, it is achieved safe and reliable, the mensuration quick direct-reading of soil moisture.
A kind of soil moisture monitor involved by the utility model, including: soil water suction sensor, described soil water suction sensor connects power of alterating and direct current and signal conditioning circuit, signal conditioning circuit connects a display device, and described power of alterating and direct current connects described signal conditioning circuit and display device.Described soil water suction sensor includes that pot clay end, described pot clay end are located at a pvc pipe top, and this pvc pipe connects a discharge；Described discharge is provided with water filling port, and this water filling port is provided with rubber stopper；Described discharge side connects a piezoresistance sensor, and described piezoresistance sensor connects an input line and output line.
In a kind of soil moisture monitor described in the utility model, described pot clay end is contained within resistance, and this resistance is made up of the inserts being seated in pot clay end.
In a kind of soil moisture monitor described in the utility model, being seated in the filler in described pot clay end, be also added with fixative, described fixative is high molecular polymer.
The beneficial effects of the utility model are, can become more meticulous agricultural production requirement to meet by fast and convenient mensuration soil water content, it need not adopt soil sample, do not destroy soil framework, can monitor continuously and export the signal of telecommunication, be very suitable for monitoring field soil moisture DYNAMIC DISTRIBUTION and situation of change, it is simple to long-term monitoring and accumulation field flow of water data, and design easy to use, cheap.
Accompanying drawing explanation
Fig. 1 is the utility model structural schematic block diagram；
Fig. 2 is the utility model local structural graph, the schematic configuration of main presentation soil water suction sensor；
Fig. 3 is piezoresistance sensor schematic diagram in the utility model.
In figure: soil water suction sensor 1；Rubber stopper 11；Discharge 12；Piezoresistance sensor 13；Input line 131；Output line 132；Pvc pipe 14；Pot clay end 15；Signal conditioning circuit 2；Display device 3；Power of alterating and direct current 4.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by detailed description below, to be more clearly understood that the above and other objects, features and advantages of the invention.Hereinafter, the preferred embodiment of the invention will be described in detail with reference to the accompanying drawings.
As shown in Figure 1, 2, a kind of soil moisture monitor in the invention preferred embodiment, including: soil water suction sensor 1, described soil water suction sensor 1 connects power of alterating and direct current 4 and signal conditioning circuit 2, signal conditioning circuit 2 connects a display device 3, and described power of alterating and direct current 4 connects described signal conditioning circuit 2 and display device 3.
Described soil water suction sensor 1 includes that pot clay end 15, pot clay end 15 have some tiny holes；
Herein, described pot clay end 15 is contained within resistance, and this resistance is made up of the inserts being seated in pot clay end 15, and this inserts is with SiO2Being main sand loam mixes as base-material with land plaster using the ratio of 3:1.8-2.2, meanwhile, is added with artificial structure's modifying agent in this base-material.
, being seated in the filler in pot clay end 15 herein, be also added with fixative, described fixative is high molecular polymer.
Described pot clay end 15 is located at pvc pipe 14 top, and this pvc pipe 14 connects a discharge 12；
Described discharge 12 is provided with water filling port, and this water filling port is provided with rubber stopper 11；
Described discharge 12 side connects a piezoresistance sensor 13, and described piezoresistance sensor 13 connects an input line 131 and output line 132.
During use, rubber stopper 11 is opened, stopper again after filling water toward discharge 12, after the gas in discharge 12 is got rid of, pot clay end 15 is buried in the earth；Pot clay end 15 as above senses parts for instrument, after being flooded profit, water membrane is formed on hole, when the soil moisture sensor of full water and sealing inserts the undersaturated soil of moisture, moisture film just couples together with the soil water, makes the water of instrument internal produce negative pressure, and this suction function is in solid state resistance pressure sensor 13, negative pressure is converted into signal of telecommunication output and processes to signal conditioning circuit 2 by piezoresistance sensor 13, and is shown by display device 3.
Described piezoresistance sensor 13 is solid state resistance pressure sensor 13, it is the force sensing element utilizing the piezoresistive effect of monocrystalline silicon to make, as it is shown on figure 3, it is with monocrystalline silicon as matrix, spread four equivalent strain resistors with integrated circuit processing technique, and form differential Wheatstone bridge.
Although the preferred embodiment of the invention is disclosed for illustrative purpose, but those skilled in the art is to be understood that, on the premise of the scope and spirit created without departing substantially from appended claims present invention disclosed, various amendments, to increase and alter be all possible, be to be noted that without departing substantially from the above-mentioned various amendments on the premise of the invention scope and spirit, increase and alter and all should contain within the interest field of the invention.
Claims (2)
1. a soil moisture monitor, it is characterized in that, including: soil water suction sensor, described soil water suction sensor connects power of alterating and direct current and signal conditioning circuit, signal conditioning circuit connects a display device, and described power of alterating and direct current connects described signal conditioning circuit and display device, and described soil water suction sensor includes pot clay end, described pot clay end is located at a pvc pipe top, and this pvc pipe connects a discharge；Described discharge is provided with water filling port, and this water filling port is provided with rubber stopper；Described discharge side connects a piezoresistance sensor, and described piezoresistance sensor connects an input line and output line.
2. a kind of soil moisture monitor as claimed in claim 1, it is characterised in that described pot clay end is contained within resistance, and this resistance is made up of the inserts being seated in pot clay end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087064.4U CN205538788U (en) | 2016-01-29 | 2016-01-29 | Soil moisture monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087064.4U CN205538788U (en) | 2016-01-29 | 2016-01-29 | Soil moisture monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205538788U true CN205538788U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620087064.4U Active CN205538788U (en) | 2016-01-29 | 2016-01-29 | Soil moisture monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205538788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841321A (en) * | 2017-02-15 | 2017-06-13 | 上海花小二科技有限公司 | The manufacture craft of resistor-type soil moisture sensor |
| CN110579512A (en) * | 2019-10-09 | 2019-12-17 | 清华大学 | manufacturing and calibration method of filter type soil moisture content sensor |
-
2016
- 2016-01-29 CN CN201620087064.4U patent/CN205538788U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841321A (en) * | 2017-02-15 | 2017-06-13 | 上海花小二科技有限公司 | The manufacture craft of resistor-type soil moisture sensor |
| CN110579512A (en) * | 2019-10-09 | 2019-12-17 | 清华大学 | manufacturing and calibration method of filter type soil moisture content sensor |
| CN110579512B (en) * | 2019-10-09 | 2024-02-20 | 清华大学 | Manufacturing and calibrating method of filter type soil moisture sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170711 Address after: 332100 Jiangxi Province, Jiujiang Jiujiang economic and Technological Development Zone West Port double base No. 2 Factory Patentee after: Jiangxi wisdom Environment Technology Co., Ltd. Address before: Two building, No. 398, No. two, No. five, 330029 hi tech Development Zone, Jiangxi, Nanchang Patentee before: JIANGXI ESUN ENVIRONMENT PROTECTION CO., LTD. |