CN201034964Y - Wireless intelligent soil moisture automatic monitoring instrument - Google Patents
Wireless intelligent soil moisture automatic monitoring instrument Download PDFInfo
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- CN201034964Y CN201034964Y CNU2007200900994U CN200720090099U CN201034964Y CN 201034964 Y CN201034964 Y CN 201034964Y CN U2007200900994 U CNU2007200900994 U CN U2007200900994U CN 200720090099 U CN200720090099 U CN 200720090099U CN 201034964 Y CN201034964 Y CN 201034964Y
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Abstract
The utility model discloses a wireless intelligent soil and water automatic monitor, including a detecting device, a data collector, a terminal computer and a data center server. The detecting device comprises a block of processing plate and plurality of sensors, and the sensor structure is a single-lever multi-node type. The external part of the sensor is provided with a protective casing, and the processing plate processes the data from the sensor, and communicated with the data collector, and connected with the sensor through the flat cable. The utility model is an intelligent soil and water automatic monitor combined in one body with a capacitance sensor technology, a single chip inserted type design, the data communication and the computer network. The utility model can monitor the drought situation on time, correctly and systemically through the monitoring stops distributed reasonably, and builds the soil condition forecast system combined to be one body by the filed water monitoring, forecasting and irrigating decision service, which has a practical value and huge reality meaning for directing the anti-drought work.
Description
Technical field:
The utility model relates to a kind of instrument, relates in particular to a kind of intelligent wireless soil moisture automonitor that moisture in the soil is monitored.
Background technology:
Meteorological department is in the monitoring of carrying out soil moisture content or damage caused by a drought, and soil moisture measurement is a crucial content, and it rationally arranges to irrigate resource to timely grasp various places soil drought and waterlogging the condition of a disaster, all has very important significance.At present, home and abroad soil moisture measurement method has a variety of, wherein measured soil moisture method is by the conductive acquisition soil moisture content of detection soil automatically, as: neutron instrument method, TDR (Time Domain Reflectometry) and FDR (Frequency DomainReflectometry) etc.The neutron instrument is owned by France in neutron source being imbedded in the soil to be measured, it is exactly that density by measuring the slow neutron cloud and the funtcional relationship between hydrone are determined moisture in the soil that the neutron instrument is measured moisture, but this method has neutron irradiation, and health is had potential threat; The TDR method is that time domain reflection reflection soil moisture changes, but this method instrument is installed, marked ratio is difficult; And method commonly used is the weight moisture capacity and the volume moisture content of the direct measured soil of oven dry weight method; This way is not only had relatively high expectations, is wasted time and energy fetch earth plot and operating process, and degree of accuracy is not high, poor continuity.
Summary of the invention:
In order to overcome the deficiency that above-mentioned determining soil moisture exists, the purpose of this utility model provides a kind of intelligent wireless soil moisture automonitor that can be accurate, continuous, quick, easy to use.
The technical solution of the utility model realizes in the following manner:
A kind of intelligent wireless soil moisture automonitor; it comprises detector, data acquisition unit, terminal computer and data center server; it is characterized in that: detector is made up of a disposable plates and some sensors; sensor construction is the single pole multi-section type; there is protective casing the sensor outside; the data that the transmission of disposable plates processes sensor comes communicate with data acquisition unit, are connected by the data transmission winding displacement with sensor.
The every joint of described sensor is made up of two annulus electric capacity, circuit board (LY0101, LY0102), and sensor is gathered corresponding soil moisture, is transformed into frequency signal, is transferred to disposable plates by the data transmission winding displacement.
Have LC oscillatory circuit and frequency dividing circuit on the described circuit board (LY0102), annulus electric capacity is as the part of oscillatory circuit, and the variation of moisture is converted to the variation of frequency, delivers to circuit board (LY0101) by the data transmission winding displacement.
The oscillation frequency of described oscillatory circuit changes between 150MHz-100MHz.
The quantity of described sensor is 1～10.
Described data acquisition unit is made up of web joint (LY0103), disposable plates (LY0104) and radio receiving transmitting module (LY0107), mainly finishes timing acquiring, storage, the wireless transmission function of data; Web joint (LY0103) is by the XP1 swap data of double socket (XS4) and disposable plates (LY0104).
Described radio receiving transmitting module LY0107 selects the radio receiving transmitting module of 400 megahertzes for use, finishes the exchanges data of on-the-spot and machine room.
Described data acquisition unit externally has RS485, RS232 and wireless communication interface, finishes the exchanges data work to sensor, background manage software.
Communicating by letter between described detector and the data acquisition unit adopted the RS485 bus.
Capacitance type sensor principle of the present utility model is:
Capacitive transducer is mainly finished the output of soil moisture frequency.According to annulus capacitive transducer measuring principle, the difference of soil moisture content causes the media variations of annulus electric capacity, then capacitance will change, thereby the oscillation frequency that causes the LC oscillator changes.Sensor is exported after the high-frequency signal conversion.
Good effect of the present utility model is:
A) adopt the high frequency capacitance measuring technique, accurately detect different soils moisture, guaranteed true, the accuracy of signal;
B) adopt high-performance, high precision singlechip technology, finish the computing of frequency signal, guarantee the precision of moisture data computing, measurement;
C) communicating by letter between soil detector and the collector adopted the RS485 bussing technique, and not only extendability is strong, and has strengthened anti-lightning strike design especially, has guaranteed detection system steady operation and reliability of data transmission.
D) adopt wired or wireless communication between collector and the terminal computer, dirigibility is strong; Wireless communication distance is far away, and the bit error rate is low, and is easy for installation.
C) instrument extracts data continuously, uninterruptedly, at any time, and the incomparable advantage of oven drying method is arranged.
D) sensor accuracy height uses simply installation, debugging, demarcation, easy to maintenance.
The utility model is the intelligent soil moisture detection instrument that capacitive transducer technology, microcontroller embedded design, data communication and computer network are integrated in one.By reasonable laying monitoring station, can be in time, accurately, systematically monitor drought using crop changes, scientific and reasonable analysis and prediction, set up farmland moisture monitoring, forecast and irrigation decision and serve the soil moisture content measuring and reporting system of one, important practical value and major and immediate significance are arranged instructing drought resisting.
Description of drawings:
Fig. 1 is the block diagram of system of the present utility model.
Fig. 2 is a multi-section type soil moisture detector theory structure synoptic diagram.
Fig. 3 is a detector disposable plates LY0105 circuit theory synoptic diagram.
Fig. 4 is circuit board LY0102 oscillatory circuit and frequency dividing circuit principle schematic.
Fig. 5 selects device LY0101 wiring diagram for the sheet in the circuit board.
Fig. 6 is the circuit theory diagrams of web joint LY0103.
Fig. 7 is the circuit theory synoptic diagram of data acquisition unit disposable plates LY0104.
Fig. 8 is a soil moisture supervisory system C/S structure flow chart
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By Fig. 1, Fig. 2, Fig. 3 as can be seen: this intelligent wireless soil moisture automonitor comprises detector, data acquisition unit, terminal computer and data center server; its detector is made up of a disposable plates 2 (LY0105) and some sensors 3; sensor construction is the single pole multi-section type; there is protective casing the sensor outside, and disposable plates 2 processes sensor are transmitted next data, communicated with data acquisition unit, are connected by data transmission winding displacement 4 with sensor.
By Fig. 2, Fig. 4, Fig. 5 figure as can be seen: described sensor 1 every joint is made up of two annulus electric capacity, circuit board (LY0101, LY0102), 3 pairs of corresponding soil moistures of sensor are gathered, be transformed into frequency signal, be transferred to disposable plates 2 by the data transmission winding displacement;
Be it can also be seen that by Fig. 2: annulus electric capacity cover is through on the cartridge type PVC support bar 5, and disposable plates 2 is arranged on upper end in the PVC support bar 5, and disposable plates 2 is connected with every joint sensor 3 by the data transmission winding displacement 4 that is arranged on middle and lower part in the PVC support bar 5; Also be provided with metal waterproofing protection cap 1 at 5 ends of PVC support bar.
By Fig. 4, Fig. 5 as can be seen: have LC oscillatory circuit and frequency dividing circuit on the described circuit board (LY0102), annulus electric capacity is as the part of oscillatory circuit, the variation of moisture is converted to the variation of frequency, delivers to circuit board (LY0101) by the data transmission winding displacement; The oscillation frequency of oscillatory circuit changes between 150MHz-100MHz.
Be it can also be seen that by Fig. 2: the quantity of described sensor is 1～10.
Be it can also be seen that by Fig. 6, Fig. 7: described data acquisition unit is made up of web joint (LY0103), disposable plates (LY0104) and radio receiving transmitting module (LY0107), mainly finishes timing acquiring, storage, the wireless transmission function of data; Web joint (LY0103) is by the XP1 swap data of double socket (XS4) and disposable plates (LY0104).
Described radio receiving transmitting module LY0107 selects the radio receiving transmitting module of 400 megahertzes for use, finishes the exchanges data of on-the-spot and machine room.
Described data acquisition unit externally has RS485, RS232 and wireless communication interface, finishes the exchanges data work to sensor, background manage software.
Communicating by letter between described detector and the data acquisition unit adopted the RS485 bus.
Described LY0104 is the disposable plates of collector, and it finishes following work:
The various command of sending of compiling host computer, such as: data acquisition, parameter adjustment, state are provided with etc.;
The temporal information of image data is provided;
The power information of working site is provided;
Require storage data according to host computer;
The expansion of interface;
Described data acquisition unit externally has RS485, RS232 and wireless communication interface, finishes the exchanges data work to sensor, background manage software; Except receiving host computer instruction acquisition moisture data, self-timing is gathered target moisture data in the time of can also or shutting down in upper terminal computer fault, and is stored in the high capacity non-volatile ram, has guaranteed the continuity of data.
Described collector is the buffer portion of host computer and detector, finishes the control of data acquisition command, the functions such as storage of data.
Communicating by letter between described detector and the collector adopted the RS485 bussing technique.Not only extendability is strong, and has strengthened anti-lightning strike design especially, has guaranteed detection system steady operation and reliability of data transmission.
The software of detector and collector adopts Keil C51 design, and it had both had the characteristics of general higher level lanquage, can directly operate the hardware of Single Chip Microcomputer (SCM) system again, and expression and arithmetic capability are stronger.Have generating code efficient height, support characteristics such as floating point arithmetic, the software configuration of design is clear, orderly, is convenient to later expansion, transplanting and maintenance.
Also can find out by Fig. 7: the input and output of web joint LY0103 control collector signal, show the duty of collector and provide power supply for collector.
Functions such as the reading of the configuration of terminal computer configuration software major parameter, data, database storing, graphical demonstration.
Software section is made up of single-chip microcomputer C51 programming, soil moisture control computer Borland C++Builder6.0 development platform programming two parts.Hardware components single-chip microcomputer C51 programming realizes data acquisition, conversion, pre-service, verification and is sent in one.The soil moisture that PC BCB6.0 programming is implemented under the Windows operating system is monitored in real time, directly is transferred to the SQL database processing enter by broadband networks soil moisture data.
In detector and data acquisition unit software, use single-chip microcomputer C51 language to programme.
As seen from Figure 8: Design of System Software is according to TCP Network Transmission control protocol, uses the ultraviolet network monitoring system program overall design of Windows Socket API and SQL Server 2000 databases realization based on the C/S framework.
The design of client view side
Monitoring soil moisture browsing data end at first is provided with the server ip address and the port that need connection, sends load instruction by Windows Socket to the far-end server end then, obtains corresponding data or graphic presentation.Mainly contain following function: certain layer of soil moisture observation instantaneous value that 1. shows monitoring soil moisture net various places on the same day in real time; 2. the soil moisture monthly variation curve that shows the same day or historical monitoring soil moisture net various places.
The server end design
This part is the core of entire ultraviolet spider lines supervisory system.Service end software is with the background data base of SQL Server2000 as total system, and the self-defining data library structure adopts Windows SocketAPI and multi-thread programming technology to realize the warehouse-in and the outbound of data.Mainly contain following function: 1. real time record Network Transmission mistake and Database error log information make things convenient for the system manager in time to understand system operation situation; 2. remote control function: comprise the monitoring soil moisture software system updating, revise monitoring soil moisture software reduced parameter, revise monitoring soil moisture software upload IP address etc.
Claims (9)
1. intelligent wireless soil moisture automonitor; it comprises detector, data acquisition unit, terminal computer and data center server; it is characterized in that: detector is made up of a disposable plates (2) and some sensors (3); sensor construction is the single pole multi-section type; there is protective casing the sensor outside; the data that the transmission of disposable plates (2) processes sensor comes communicate with data acquisition unit, are connected by flat cable with sensor.
2. intelligent wireless soil moisture automonitor according to claim 1, it is characterized in that: the every joint of sensor (1) is made up of two annulus electric capacity, circuit board (LY0101, LY0102), sensor (1) is gathered corresponding soil moisture, be transformed into frequency signal, be transferred to disposable plates (2) by flat cable.
3. intelligent wireless soil moisture automonitor according to claim 2, it is characterized in that: have LC oscillatory circuit and frequency dividing circuit on the circuit board (LY0102), annulus electric capacity is as the part of oscillatory circuit, the variation of moisture is converted to the variation of frequency, delivers to circuit board (LY0101) by flat cable.
4. intelligent wireless soil moisture automonitor according to claim 3 is characterized in that: the oscillation frequency of oscillatory circuit changes between 150MHz-100MHz.
5. intelligent wireless soil moisture automonitor according to claim 1 is characterized in that: the quantity of sensor is 1～10.
6. according to claim 1,2,3,4 or 5 described intelligent wireless soil moisture automonitors, it is characterized in that: data acquisition unit is made up of web joint (LY0103), disposable plates (LY0104) and radio receiving transmitting module (LY0107), mainly finishes timing acquiring, storage, the wireless transmission function of data; Web joint (LY0103) is by the XP1 swap data of double socket (XS4) and disposable plates (LY0104).
7. intelligent wireless soil moisture automonitor according to claim 6, it is characterized in that: radio receiving transmitting module LY0107 selects the radio receiving transmitting module of 400 megahertzes for use, finishes the exchanges data of on-the-spot and machine room.
8. according to claim 1 or 7 described intelligent wireless soil moisture automonitors, it is characterized in that: data acquisition unit externally has RS485, RS232 and wireless communication interface, finishes the exchanges data work to sensor, background manage software.
9. intelligent wireless soil moisture automonitor according to claim 8 is characterized in that: communicating by letter between detector and the data acquisition unit adopted the RS485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200900994U CN201034964Y (en) | 2007-04-20 | 2007-04-20 | Wireless intelligent soil moisture automatic monitoring instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2007200900994U CN201034964Y (en) | 2007-04-20 | 2007-04-20 | Wireless intelligent soil moisture automatic monitoring instrument |
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| CN201034964Y true CN201034964Y (en) | 2008-03-12 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261241B (en) * | 2008-04-14 | 2010-11-10 | 广东省农业科学院茶叶研究所 | Soil water content monitoring instrument based on embedded system |
| CN102353686A (en) * | 2011-06-13 | 2012-02-15 | 中国电子科技集团公司第四十九研究所 | On-line monitoring device of water content in solid material |
| CN102565150A (en) * | 2012-01-13 | 2012-07-11 | 北京盈胜泰科技术有限公司 | Detection device and monitoring system for soil relative humidity and soil fertility change |
| CN102607498A (en) * | 2012-03-02 | 2012-07-25 | 河南省气象科学研究所 | Frozen soil and dry soil layer measuring transducer |
| CN101520427B (en) * | 2009-03-20 | 2013-07-31 | 华南农业大学 | Water level sensor for farmland water based on wireless sensor network |
| CN104864976A (en) * | 2015-04-20 | 2015-08-26 | 苏州经贸职业技术学院 | Contaminated soil temperature and moisture gradient measuring system |
| CN105353106A (en) * | 2015-12-07 | 2016-02-24 | 中国农业大学 | Soil water distribution measurement system and method with wireless transmission function |
| CN105928984A (en) * | 2016-04-19 | 2016-09-07 | 沈阳巍图农业科技有限公司 | Non-contact moisture-salinity sensor based on soil texture and testing method thereof |
| CN107076621A (en) * | 2014-10-30 | 2017-08-18 | 3M创新有限公司 | The capacitance temperature sensing of electric conductor |
| CN107389899A (en) * | 2017-07-28 | 2017-11-24 | 中国农业大学 | A kind of sensor and the perception ring for sensor |
| CN110186509A (en) * | 2019-05-31 | 2019-08-30 | 首都师范大学 | A kind of agricultural land soil soil moisture content pre-alarming device |
-
2007
- 2007-04-20 CN CNU2007200900994U patent/CN201034964Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261241B (en) * | 2008-04-14 | 2010-11-10 | 广东省农业科学院茶叶研究所 | Soil water content monitoring instrument based on embedded system |
| CN101520427B (en) * | 2009-03-20 | 2013-07-31 | 华南农业大学 | Water level sensor for farmland water based on wireless sensor network |
| CN102353686A (en) * | 2011-06-13 | 2012-02-15 | 中国电子科技集团公司第四十九研究所 | On-line monitoring device of water content in solid material |
| CN102565150A (en) * | 2012-01-13 | 2012-07-11 | 北京盈胜泰科技术有限公司 | Detection device and monitoring system for soil relative humidity and soil fertility change |
| CN102607498A (en) * | 2012-03-02 | 2012-07-25 | 河南省气象科学研究所 | Frozen soil and dry soil layer measuring transducer |
| CN107076621A (en) * | 2014-10-30 | 2017-08-18 | 3M创新有限公司 | The capacitance temperature sensing of electric conductor |
| CN107076621B (en) * | 2014-10-30 | 2020-12-04 | 3M创新有限公司 | Capacitive temperature sensing of electrical conductors |
| CN104864976A (en) * | 2015-04-20 | 2015-08-26 | 苏州经贸职业技术学院 | Contaminated soil temperature and moisture gradient measuring system |
| CN105353106A (en) * | 2015-12-07 | 2016-02-24 | 中国农业大学 | Soil water distribution measurement system and method with wireless transmission function |
| CN105928984B (en) * | 2016-04-19 | 2019-04-05 | 沈阳巍图农业科技有限公司 | A kind of non-contact water salt sensor and its test method based on the soil texture |
| CN105928984A (en) * | 2016-04-19 | 2016-09-07 | 沈阳巍图农业科技有限公司 | Non-contact moisture-salinity sensor based on soil texture and testing method thereof |
| CN107389899A (en) * | 2017-07-28 | 2017-11-24 | 中国农业大学 | A kind of sensor and the perception ring for sensor |
| CN110186509A (en) * | 2019-05-31 | 2019-08-30 | 首都师范大学 | A kind of agricultural land soil soil moisture content pre-alarming device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGYUAN OPTOELECTRONIC MEASUREMENT + CONTROL TEC Free format text: FORMER OWNER: INSITITUTE 27, CHINA ELECTRONICS TECHNOLOGY GROUP CO., LTD. Effective date: 20120314 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120314 Address after: 450053 No. 110 Jinshui Road, Henan, Zhengzhou Co-patentee after: Zhongyuan Optoelectronic Measurement & Control Technology Co. Patentee after: Henan Institute of Meteorological Sciences Address before: 450053 No. 110 Jinshui Road, Henan, Zhengzhou Co-patentee before: No.27 Research Institute, China Electronics Technology Group Corporation Patentee before: Henan Institute of Meteorological Sciences |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450053 No. 110 Jinshui Road, Henan, Zhengzhou Co-patentee after: Henan Zhongyuan Photoelectric Measurement Control Technology Co., Ltd. Patentee after: Henan Institute of Meteorological Sciences Address before: 450053 No. 110 Jinshui Road, Henan, Zhengzhou Co-patentee before: Zhongyuan Optoelectronic Measurement & Control Technology Co. Patentee before: Henan Institute of Meteorological Sciences |
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| CX01 | Expiry of patent term |
Granted publication date: 20080312 |
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| CX01 | Expiry of patent term |