CN204945077U - A kind of soil moisture content fast testing system - Google Patents
A kind of soil moisture content fast testing system Download PDFInfo
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- CN204945077U CN204945077U CN201520686583.8U CN201520686583U CN204945077U CN 204945077 U CN204945077 U CN 204945077U CN 201520686583 U CN201520686583 U CN 201520686583U CN 204945077 U CN204945077 U CN 204945077U
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Abstract
The utility model relates to a kind of soil moisture content fast testing system.Described soil moisture content fast testing system comprises central control unit, power module, data acquisition unit (being made up of soil moisture content sensor and temperature sensor), lightning protection, simplifies ethernet module, remote monitoring center computing machine, storer, Big Dipper module and remote sensing satellite.Described power module provides power supply for test macro; The signal that soil moisture content sensor in described data acquisition unit, temperature sensor export is connected with central control unit; Described lightning protection relay testing system is not destroyed at thunderstorm weather; Described central control unit is by simplifying ethernet module and remote monitoring center compunication; Described central control unit is connected with storer by read-write interface, the calibration parameter information of the data that memory stores data collecting unit gathers and sensor; Described central control unit is connected with Big Dipper module, and central control unit controls the mode of operation of Big Dipper module and process obtains position and temporal information; Described Big Dipper module wirelessly communicates with remote sensing satellite, remote sensing satellite can remote sensing testing soil soil moisture content and be handed down to Big Dipper module.Compared with prior art, a kind of soil moisture content fast testing system described in the utility model combines soil moisture content method of testing based on standing wave ratio principle and satellite remote sensing method advantage separately, improve the precision of soil moisture content test, expand the sensing range of soil moisture content, the mode of tabling look-up is utilized to reduce the workload of soil moisture content pick up calibration, utilize the Ethernet protocol communication of simplifying to network for this test macro admixture to lay the foundation, improve speed and the stability of data transmission simultaneously, improve the synchronism of data between sensor network, in real time the soil moisture content in some time somewhere is reported remote monitoring center in conjunction with Big Dipper module, for the timely decision-making of decision-maker provides friendly monitored picture.
Description
Technical field
The utility model belongs to intelligent accurate agricultural instrument field, specifically, relates to a kind of soil moisture content fast testing system.
Background technology
China is a large agricultural country, but agricultural automation level and developed country also exist a certain distance.The growth of crops is inseparable with soil moisture content, and quick, the accurate test of soil moisture content has important directive significance to actual crop irrigation.Domestic existing soil moisture content test macro has the deficiency of following several respects: one is that between soil moisture content test macro unit, communication extensively adopts industrial 485 buses, and this bus communication speed is not high, and synchronism is bad, can not the soil moisture content of substantial synchronization ground reflect soil; Two is that the method for testing of soil moisture content test macro is imperfect, distribute soil soil moisture content sensor unit discretely on soil, adopt the soil moisture situation that can only obtain sensor mounting points based on standing wave ratio Principle Method testing soil soil moisture content, the method carries out spatial sampling to the soil moisture content of entirety, although spot measurement precision is high, but can not the overall condition of reflect soil soil moisture content, it is only the local message giving soil moisture content, and adopt remote sensing satellite to measure soil moisture content can the Global Information of reflect soil soil moisture content comprehensively, but measuring accuracy is not high; Three is that the position measurement of soil testing system and time service generally adopt GPS technology, although GPS technology is more common, GPS technology comes from the U.S., is easily like this limited by the U.S. technically, and the thinking vigorously advocating instrument and meter localization process with China is not inconsistent.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of soil moisture content fast testing system.
A kind of soil moisture content fast testing system described in the utility model, described test macro comprises central control unit (1), power module (2), data acquisition unit (3) are provided with soil moisture content sensor (301), temperature sensor (302), lightning protection (4), simplify ethernet module (5), remote monitoring center computing machine (6), storer (7), Big Dipper module (8), remote sensing satellite (9).It is characterized in that: described power module provides power supply for test macro; The signal that soil moisture content sensor in described data acquisition unit, temperature sensor export is connected with central control unit; Described lightning protection relay testing system is not destroyed at thunderstorm weather; Described central control unit is by simplifying ethernet module and remote monitoring center compunication; Described central control unit is connected with storer by read-write interface, the calibration parameter information of the data that memory stores data collecting unit gathers and sensor; Described central control unit is connected with Big Dipper module, and central control unit controls the mode of operation of Big Dipper module and process obtains position and temporal information; Described Big Dipper module wirelessly communicates with remote sensing satellite, remote sensing satellite can remote sensing testing soil soil moisture content and be handed down to Big Dipper module.
A kind of soil moisture content fast testing system described in the utility model, described data acquisition unit comprises soil moisture content sensor and temperature sensor, the density of data acquisition unit with 16m × 16m in soil distributes, soil moisture content sensor measurement soil dielectric constant obtains information on soil moisture, and the information on soil moisture of collection and temperature information are converted to electric signal and input to central control unit by data acquisition unit.
A kind of soil moisture content fast testing system described in the utility model, central control unit communicates with remote monitoring center computing machine by simplifying ethernet module, report soil moisture content, temperature, geographic position and Measuring Time information to remote monitoring center computing machine, remote monitoring center computing machine can cycle of Long-distance Control reported data, shows real-time soil moisture content, geographic position and Measuring Time information.
A kind of soil moisture content fast testing system described in the utility model, described central control unit communicates with remote monitoring center computing machine by simplifying ethernet module, report soil moisture content, temperature, geographic position and Measuring Time information to remote monitoring center computing machine, remote monitoring center computing machine can cycle of Long-distance Control reported data, shows real-time soil moisture content, geographic position and Measuring Time information.
A kind of soil moisture content fast testing system described in the utility model, described central control unit connected storage, storer stores soil moisture content, temperature, geographic position and Measuring Time information and pick up calibration parameter information.
A kind of soil moisture content fast testing system described in the utility model, described central control unit connects Big Dipper module, arranges the mode of operation of Big Dipper module, and calculates geographic position and Measuring Time information according to Big Dipper module.
A kind of soil moisture content fast testing system described in the utility model, described Big Dipper module wirelessly communicates with remote sensing satellite, remote sensing satellite can on a large scale remote sensing testing soil soil moisture content and be handed down to Big Dipper module.
A kind of soil moisture content fast testing system described in the utility model, described central control unit is also connected with power module and lightning protection.
Principle of work: according to the size of land area and the difference of soil moisture, select data acquisition unit to sample with different soil space sizes, such as data acquisition unit distributes with the density of 16m × 16m.On the one hand, measure the soil moisture content of this point in individual data collecting unit point employing amount soil dielectric constant method and be transferred to central control unit, on the other hand, remote sensing satellite measures the overall soil moisture information in soil in this region, by Big Dipper module by soil moisture content, geographic position and Measuring Time information transmission are to central control unit, central control unit utilizes the remote measurement soil moisture content value of the soil moisture content measured value of difference and remote measurement satellite to be weighted, then the pick up calibration parameter information in storer is utilized to draw final soil moisture content, central control unit is the soil moisture content finally comprehensively obtained, store in memory after geographic position and Measuring Time information package, then timing reports remote monitoring center computing machine, then remote monitoring center computing machine draws the Global Information of this Regional Soil Moisture Content.Industrial ethernet protocol by simplifying between soil moisture content test macro communicates, periodically by the soil moisture content in storer, temperature information, geographic position and Measuring Time information transmission to remote monitoring center computing machine.Remote monitoring center computing machine receives soil moisture content, temperature information, geographic position and Measuring Time information and display in real time, decision-maker is according to the change speed situation of soil moisture content, in time by sending broadcast message with simplifying Ethernet protocol Fast synchronization, control the time interval of each soil moisture content data acquisition unit reported data, to ensure between data acquisition unit acquires high level of synchronization in time.
A kind of soil moisture content fast testing system described in the utility model measures soil moisture content and remote sensing survey soil moisture content method advantage separately in conjunction with soil dielectric constant, improve the precision of soil moisture content test, expand the sensing range of soil moisture content, the mode of tabling look-up is utilized to reduce the workload of soil moisture content pick up calibration, the Ethernet protocol communication of simplifying is utilized to lay the foundation for this test macro admixture networked system, improve speed and the stability of data transmission simultaneously, improve the synchronism of data between sensor network, in real time the soil moisture content in some time somewhere is reported remote monitoring center in conjunction with Big Dipper module, for the timely decision-making of decision-maker provides friendly monitored picture.
Accompanying drawing explanation
Fig. 1: soil moisture content fast testing system schematic diagram 1:ATmega8515 single-chip microcomputer (1), power module (2), data acquisition unit (3) are provided with MP-508B soil moisture content sensor (301), temperature sensor (302), lightning protection (4), simplify Ethernet asic chip (5), long-range industrial computer (6), AT24C512 storer (7), BNCHP-711A Big Dipper chip (8), remote sensing satellite (9).
, solar panel (2), data acquisition unit (3) are provided with SY-HSF soil moisture content sensor (301), HIH9000 series Temperature Humidity Sensor (302), lightning protection (4), ET1200 Ethernet chip (5), grind magnificent IPC-610(6 Fig. 2: soil moisture content fast testing system schematic diagram 2:Spartan-6LXFPGA(1)), 28F128J3A storer (7), BD-86A Big Dipper module (8), remote sensing satellite (9).
Embodiment
Below in conjunction with specific embodiment, soil moisture content fast testing system described in the utility model is described further, but protection domain of the present utility model is not limited to this.
Embodiment
1
A kind of soil moisture content fast testing system is as Fig. 1, and described test macro comprises ATmega8515 single-chip microcomputer (1), power module (2), data acquisition unit (3) are provided with MP-508B soil moisture content sensor (301), temperature sensor (302), lightning protection (4), simplify Ethernet asic chip (5), long-range industrial computer (6), AT24C512 storer (7), BNCHP-711A Big Dipper chip (8), remote sensing satellite (9).Described power module provides power supply for test macro; The signal that MP-508B soil moisture content sensor in described data acquisition unit, temperature sensor export is connected with ATmega8515 single-chip microcomputer; Described lightning protection relay testing system is not destroyed at thunderstorm weather; Described ATmega8515 single-chip microcomputer communicates with long-range industrial computer by simplifying Ethernet asic chip; Described ATmega8515 single-chip microcomputer is connected with AT24C512 storer by read-write interface, the calibration data of the information that storer store M P-508B soil moisture content sensor, temperature sensor gather and sensor; Described ATmega8515 single-chip microcomputer is connected with BNCHP-711A Big Dipper chip, and the mode of operation of ATmega8515 Single-chip Controlling BNCHP-711A Big Dipper chip also processes and obtains position and temporal information; Described BNCHP-711A Big Dipper chip wirelessly communicates with remote sensing satellite, remote sensing satellite can remote sensing testing soil soil moisture content and be handed down to Big Dipper module.
Principle of work: according to the size of land area and the difference of soil moisture, selects data acquisition unit to distribute with the density of 16m × 16m.On the one hand, soil dielectric constant measurement soil moisture content method is adopted to measure the soil moisture content of this point at individual data collecting unit point, and be transferred to ATmega8515 single-chip microcomputer, on the other hand, remote sensing satellite measures the overall soil moisture information in soil in this region, by BNCHP-711A Big Dipper chip by soil moisture content, geographic position and Measuring Time information transmission are to ATmega8515 single-chip microcomputer, ATmega8515 single-chip microcomputer utilizes the remote measurement soil moisture content value of the soil moisture content measured value of difference and remote measurement satellite to be weighted, and read from AT24C512 storer corresponding sensor calibration data to after weighting soil moisture content calibration after draw final soil moisture content after, ATmega8515 single-chip microcomputer is the soil moisture content finally comprehensively obtained, be stored in AT24C512 storer after geographic position and Measuring Time information package, then timing reports long-range industrial computer, then industrial computer draws the Global Information of this Regional Soil Moisture Content.By simplifying Ethernet asic chip (as Ethercat agreement between soil moisture content test macro, this protocol bandwidth utilization factor is high, storehouse postpone with switch postpone little) communicate, periodically by the soil moisture content in storer, temperature information, geographic position and Measuring Time information transmission give long-range industrial computer.Long-range industrial computer receives soil moisture content, temperature information, geographic position and Measuring Time information and display in real time, decision-maker is according to the change speed situation of soil moisture content, in time by sending broadcast message with simplifying Ethernet asic chip Fast synchronization, control the time interval of each soil moisture content data acquisition unit reported data, to ensure between data acquisition unit acquires high level of synchronization in time.
Compared with prior art, a kind of soil moisture content fast testing system described in the utility model measures soil moisture content and remote sensing survey soil moisture content method advantage separately in conjunction with soil dielectric constant, improve the precision of soil moisture content test, expand the sensing range of soil moisture content, the mode of tabling look-up is utilized to reduce the workload of soil moisture content pick up calibration, the Ethernet protocol communication of simplifying is utilized to lay the foundation for this test macro admixture networked system, improve speed and the stability of data transmission simultaneously, the synchronism of data between sensor network, and in real time the soil moisture content in some time somewhere is reported remote monitoring center in conjunction with Big Dipper module, for the timely decision-making of decision-maker provides friendly monitored picture.
Embodiment
2
A kind of soil moisture content fast testing system as Fig. 2, described test macro Spartan-6LXFPGA(1), solar panel (2), data acquisition unit (3) be provided with SY-HSF soil moisture content sensor (301), HIH9000 series Temperature Humidity Sensor (302), lightning protection (4), ET1200 Ethernet chip (5), grind magnificent IPC-610(6), 28F128J3A storer (7), BD-86A Big Dipper module (8), remote sensing satellite (9).Described power module provides power supply for test macro; The signal that SY-HSF soil moisture content sensor in described data acquisition unit, HIH9000 series Temperature Humidity Sensor exports is connected with Spartan-6LXFPGA; Described lightning protection relay testing system is not destroyed at thunderstorm weather; Described Spartan-6LXFPGA by ET1200 Ethernet chip with grind magnificent IPC-610 and communicate; Described Spartan-6LXFPGA is connected with 28F128J3A storer by read-write interface, and storer stores SY-HSF soil moisture content sensor, the information of Temperature Humidity Sensor collection and the calibration data of sensor; Described Spartan-6LXFPGA and BD-86A Big Dipper module connects, and the mode of operation of Spartan-6LXFPGA control BD-86A Big Dipper module also processes and obtains position and temporal information; Described BD-86A Big Dipper module wirelessly communicates with remote sensing satellite, remote sensing satellite can remote sensing testing soil soil moisture content and be handed down to Big Dipper module.
Principle of work: according to the size of land area and the difference of soil moisture, selects data acquisition unit to distribute with the density of 10m × 10m.On the one hand, soil dielectric constant measurement soil moisture content method is adopted to measure the soil moisture content of this point at individual data collecting unit point, and be transferred to Spartan-6LXFPGA, on the other hand, remote sensing satellite measures the overall soil moisture information in soil in this region, by BD-86A Big Dipper module by soil moisture content, humiture information, geographic position and Measuring Time information transmission are to Spartan-6LXFPGA, Spartan-6LXFPGA utilizes the remote measurement soil moisture content value of the soil moisture content measured value of difference and remote measurement satellite to be weighted, and read from 28F128J3A storer corresponding sensor calibration data to after weighting soil moisture content calibration after draw final soil moisture content after, Spartan-6LXFPGA is the soil moisture content finally comprehensively obtained, humiture information, be stored in 28F128J3A storer after geographic position and Measuring Time information package, then timing reports and grinds magnificent IPC-610, then the Global Information that magnificent IPC-610 draws this Regional Soil Moisture Content is ground.Communicated by ET1200 Ethernet chip between soil moisture content test macro, periodically by the soil moisture content in storer, humiture information, geographic position and Measuring Time information transmission to grinding magnificent IPC-610.Grind magnificent IPC-610 and receive soil moisture content, humiture information, geographic position and Measuring Time information and display in real time, decision-maker is according to the change speed situation of soil moisture content, broadcast message is sent in time by ET1200 Ethernet chip Fast synchronization ground, control the time interval of each soil moisture content data acquisition unit reported data, to ensure between data acquisition unit acquires high level of synchronization in time.
Compared with prior art, a kind of soil moisture content fast testing system described in the utility model measures soil moisture content and remote sensing survey soil moisture content method advantage separately in conjunction with soil dielectric constant, improve the precision of soil moisture content test, expand the sensing range of soil moisture content, the mode of tabling look-up is utilized to reduce the workload of soil moisture content pick up calibration, industrial 4.0 Ethernet protocols are utilized to lay the foundation for this test macro admixture networked system, improve speed and the stability of data transmission simultaneously, the synchronism of data between sensor network, and in real time the soil moisture content in some time somewhere is reported remote monitoring center in conjunction with Big Dipper module, for the timely decision-making of decision-maker provides friendly monitored picture.On the other hand, utilize the programmable features of FPGA, the program of FPGA inside can be changed at Terminal Server Client by Ethernet Remote Dynamic, facilitate the expansion of system, maintenance and upgrading.
Claims (7)
1. a soil moisture content fast testing system, comprises central control unit (1), power module (2), data acquisition unit (3) is provided with soil moisture content sensor (301), temperature sensor (302), lightning protection (4), simplifies ethernet module (5), remote monitoring center computing machine (6), storer (7), Big Dipper module (8), remote sensing satellite (9) is characterized in that: described power module provides power supply for test macro; The signal that soil moisture content sensor in described data acquisition unit, temperature sensor export is connected with central control unit; Described lightning protection relay testing system is not destroyed at thunderstorm weather; Described central control unit is by simplifying ethernet module and remote monitoring center compunication; Described central control unit is connected with storer by read-write interface, the calibration parameter information of the data that memory stores data collecting unit gathers and sensor; Described central control unit is connected with Big Dipper module, and central control unit controls the mode of operation of Big Dipper module and process obtains position and temporal information; Described Big Dipper module wirelessly communicates with remote sensing satellite, remote sensing satellite can remote sensing testing soil soil moisture content and be handed down to Big Dipper module.
2. a kind of soil moisture content fast testing system according to claim 1, it is characterized in that, described data acquisition unit comprises soil moisture content sensor and temperature sensor, the density of data acquisition unit with 16m × 16m in soil distributes, soil moisture content sensor measurement soil dielectric constant obtains information on soil moisture, and the information on soil moisture of collection and temperature information are converted to electric signal and input to central control unit by data acquisition unit.
3. a kind of soil moisture content fast testing system according to claim 1, it is characterized in that, described central control unit communicates with remote monitoring center computing machine by simplifying ethernet module, report soil moisture content, temperature, geographic position and Measuring Time information to remote monitoring center computing machine, remote monitoring center computing machine can cycle of Long-distance Control reported data, shows real-time soil moisture content, geographic position and Measuring Time information.
4. a kind of soil moisture content fast testing system according to claim 1, is characterized in that, described central control unit connected storage, and storer stores soil moisture content, temperature, geographic position, Measuring Time and pick up calibration parameter information.
5. a kind of soil moisture content fast testing system according to claim 1, is characterized in that, described central control unit connects Big Dipper module, arranges the mode of operation of Big Dipper module, and calculates geographic position and Measuring Time information according to Big Dipper module.
6. a kind of soil moisture content fast testing system according to claim 1, is characterized in that, described Big Dipper module wirelessly communicates with remote sensing satellite, remote sensing satellite can on a large scale remote sensing testing soil soil moisture content and be handed down to Big Dipper module.
7. a kind of soil moisture content fast testing system according to claim 1, it is characterized in that, described central control unit is also connected with power module and lightning protection.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324227A (en) * | 2016-11-04 | 2017-01-11 | 马春强 | Soil environment monitoring method based on DES satellite and Beidou cloud system |
| CN108107187A (en) * | 2017-12-12 | 2018-06-01 | 浙江红欣园林艺术有限公司 | The soil salinization monitors prevention system automatically |
| CN109668946A (en) * | 2019-02-27 | 2019-04-23 | 西安邮电大学 | A kind of contactless stratified soil moisture monitoring device |
| CN111103333A (en) * | 2019-12-24 | 2020-05-05 | 北京农业信息技术研究中心 | Method and device for calibrating soil water content sensor |
-
2015
- 2015-09-08 CN CN201520686583.8U patent/CN204945077U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324227A (en) * | 2016-11-04 | 2017-01-11 | 马春强 | Soil environment monitoring method based on DES satellite and Beidou cloud system |
| CN108107187A (en) * | 2017-12-12 | 2018-06-01 | 浙江红欣园林艺术有限公司 | The soil salinization monitors prevention system automatically |
| CN109668946A (en) * | 2019-02-27 | 2019-04-23 | 西安邮电大学 | A kind of contactless stratified soil moisture monitoring device |
| CN111103333A (en) * | 2019-12-24 | 2020-05-05 | 北京农业信息技术研究中心 | Method and device for calibrating soil water content sensor |
| CN111103333B (en) * | 2019-12-24 | 2022-05-03 | 北京农业信息技术研究中心 | Method and device for calibrating soil water content sensor |
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Effective date of registration: 20201022 Address after: No.688, aixihu North Road, Nanchang high tech Industrial Development Zone, Jiangxi Province Patentee after: ZHONGXING CHANGTIAN INFORMATION TECHNOLOGY (NANCHANG) Co.,Ltd. Address before: 100000 No. 19 Garden East Road, peony garden, Beijing, Haidian District Patentee before: ZHONGXING CHANGTIAN INFORMATION TECHNOLOGY (BEIJING) Co.,Ltd. |