CN203479336U - Crop growth water-shortage information detecting device - Google Patents
Crop growth water-shortage information detecting device Download PDFInfo
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- CN203479336U CN203479336U CN201320609198.4U CN201320609198U CN203479336U CN 203479336 U CN203479336 U CN 203479336U CN 201320609198 U CN201320609198 U CN 201320609198U CN 203479336 U CN203479336 U CN 203479336U
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Abstract
The utility model provides a crop growth water-shortage information detecting device which is provided with a master control module. The crop growth water-shortage information detecting device is characterized in that: the crop growth water-shortage information detecting device comprises an analog sensor set, a digital sensor set, a GPS positioning module and a power supply module, a data storage module and a display module; wherein the analog sensor set, the digital sensor set, the GPS positioning module and the power supply module are connected with the input end of the master control module; and the data storage module and the display module are connected with the output end of the mater control module. The analog sensor set, the digital sensor set and the GPS positioning module respectively acquire physical information of the land with the crop, and furthermore transmit the physical information to the master control module. After the master control module processes the physical information for generating digital information, the digital information is transmitted to the data storage module and the display module respectively. The crop growth water-shortage information detecting device is advantageous in that: crop growth water-shortage information can be acquired effectively and comprehensively, and crop growth water information support is supplied for applying agricultural water-saving irrigation.
Description
Technical field
The utility model relates to plant growth lack of water information detector, to adopt low-power-consumption embedded processor STM32F103VE to form master control system specifically, configure corresponding sensor assembly, locating module, LCD MODULE and data memory module, the water regime jointly completing in the plant growing process based on accurate locus detects, by canopy surface temperature and the various microenvironment information (Atmosphere temp.and RH of crop, gas concentration lwevel, wind speed, illumination and the soil moisture, soil moisture) obtain plant growth lack of water information, for the enforcement of agricultural water-saving irrigation provides the support of plant growth moisture information.
Background technology
Along with the fast development of Chinese society economy and comprehensive progress of science and technology, modern agriculture is to precision agriculture future development.Precision Irrigation is as an important subsystem of precision agriculture, has features such as " automatically, precisely ", can effectively solve the phenomenons such as modern agriculture shortage of water resources, utilization factor are lower.Realize automatically, irrigate accurately, need to obtain in time, the information of plant growth lack of water is accurately as basis, according to plant growth lack of water information, implement Precision Irrigation and be subject to increasing attention, various crop water information acquisition techniques and collecting device also occur thereupon.
But these technology and equipment major part are to study from single aspect, such as soil moisture has only reflected the moisture supply situation of crop, can not directly measure the water regime of crop; Although the physical signs such as leaf water potential, blade relative water content are from having reflected in essence crop water shortage degree, because index determining has destructiveness to sample, also lack at present the instrument that can automatically monitor, be difficult to provide in good time, crop water information accurately.
Therefore, carry out to study the water demand situation in process of crop growth in a deep going way, be conducive to the alleviation of China's the contradiction of supply and demand for the water resource, ensure the sustainable development of China's modern agriculture.
Summary of the invention
Technical problem to be solved in the utility model is, provides the level of informatization high, with low cost, simple in structure, can be applied to the device that in plant growing process, plant growth lack of water information detects.
The technical scheme that the utility model adopts is: plant growth lack of water information detector, there is main control module, and also comprise the analog sensor group, digital sensor group, GPS locating module and the power module that are connected with the input end of described main control module; The data memory module and the display module that are connected with the output terminal of described main control module;
Described analog sensor group, digital sensor group and GPS locating module gather respectively the physical message on crop ground of living in, and described physical message is passed to main control module, main control module is processed rear formation numerical information to physical message and is passed to respectively data memory module and display module;
Further, described analog sensor group comprises soil temperature sensor, soil moisture sensor and optical sensor; Be used for providing the soil moisture, soil moisture and illumination information, wherein soil temperature sensor and soil moisture sensor are arranged on crop root position, and optical sensor is installed on crop top environment;
Further, described digital sensor group comprises canopy temperature sensor, Temperature Humidity Sensor, carbon dioxide sensor and air velocity transducer; Be used for providing crop canopy temperature, Atmosphere temp.and RH, gas concentration lwevel and wind speed information, described digital sensor group is arranged on respectively crop tip position;
Further, described data memory module adopts SD card as storage medium, is used for the information collecting to carry out data storage;
Further, described display module comprises LCDs;
Further, described canopy temperature sensor is infrared temperature-test sensor; Described Temperature Humidity Sensor is SHT75 Temperature Humidity Sensor, and it has 14 A/D converters; Described air velocity transducer is wind-cup type air velocity transducer.
By described analog sensor group and digital sensor group, can be effectively and comprehensively collect the crop canopy temperature relevant to moisture in crop, atmospheric environment humiture, illuminance, gas concentration lwevel, wind speed, the soil moisture, the holard information of grading, then main control module is according to crop water shortage index (CWSI) theory, utilize the physical message gathering to calculate the lack of water index of crop, thereby the water shortage status that reflects process of crop growth, main control module is transferred to the water shortage status of process of crop growth on the one hand and in memory module, carries out record, by display module, immediately demonstrate the current exsiccosis of crop on the other hand, described display module is also for showing every terms of information parameter.
Described main control module adopts the embedded ARM processor STM32F103VE of latest generation, has the advantages such as high-performance, low-power consumption, application in real time, cost are low, completes the information collection function of whole device by the corresponding peripheral circuit of arranging in pairs or groups.
Described GPS locating module is used for providing accurate geographic coordinate, thereby provides concrete positional information for the automatic extension of detecting capability of crop water information in field, later stage farmland.
Described power module connects respectively described analog sensor group, digital sensor group, main control module, memory module, GPS locating module and display module, is responsible for providing power supply to whole device.
Advantage and the good effect that the utlity model has are:
1, the use of analog sensor group and digital sensor group can be effectively and is comprehensively gathered the physical message of crop in growth course, by monitoring crop growing environment information and Crop Water Stress information change, can be in time for agriculture Precision Irrigation provides decision support and feedback information;
2, GPS locating module is used for providing accurate geographic coordinate, thereby for the automatic extension of detecting capability of crop water information in field, later stage farmland provides concrete positional information, for the regional Research of agricultural modernization provides data supporting;
3, adopt the embedded ARM processor STM32F103VE of latest generation, there is the advantages such as high-performance, low-power consumption, application in real time, cost are low;
The utility model can be widely used in industry and the departments such as modern agriculture scientific research, teaching, production, meets the development need of National modern agricultural, can actually promote, and has broad application prospects.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present embodiment
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The water regime that the utility model is mainly used in plant growing process detects, to collect crop canopy temperature and other microenvironment information carries out after respective algorithms processing according to crop water shortage index (CWSI) theory, obtain plant growth lack of water information, for the enforcement of agricultural water-saving irrigation provides the support of plant growth moisture information.
As shown in Figure 1, the plant growth lack of water information detector of the present embodiment, has main control module, also comprises the analog sensor group, digital sensor group, GPS locating module and the power module that are connected with the input end of main control module; The data memory module and the display module that are connected with the output terminal of main control module;
Analog sensor group, digital sensor group and GPS locating module gather respectively the physical message on crop ground of living in, and described physical message is passed to main control module, main control module forms numerical information and passes to respectively data memory module and display module after the physical message collecting being processed according to crop water shortage index (CWSI) theory; Wherein main control module adopts STM32F103VE chip, has 100 pins.
Analog sensor group comprises soil temperature sensor, soil moisture sensor and optical sensor; Be used for providing the soil moisture, soil moisture and illumination information, wherein soil temperature sensor and soil moisture sensor are arranged on crop root position, and optical sensor is installed on crop top environment; Soil temperature sensor, soil moisture sensor and optical sensor are connected with an analog to digital conversion interface of main control module respectively.
Digital sensor group comprises canopy temperature sensor, Temperature Humidity Sensor, carbon dioxide sensor and air velocity transducer; Be used for providing crop canopy temperature, Atmosphere temp.and RH, gas concentration lwevel and wind speed information, digital sensor group is arranged on respectively crop tip position; Canopy temperature sensor is TNR infrared temperature-test sensor, by SPI communication mode, is connected with main control module; Temperature Humidity Sensor is SHT75 Temperature Humidity Sensor, and it has 14 A/D converters, and adopts two-wire serial interface to be connected with two analog to digital conversion interfaces of main control module, for transmitting data; Carbon dioxide sensor links with two serial ports of main control module, carries out digital data output; Air velocity transducer is traditional wind-cup type air velocity transducer, is connected with the counting input source passage of the Timer/Counter of main control module, for the pulse duration frequency signal of measuring wind sensor output, and then draws crop real-time wind speed around.
Data memory module adopts SD card as storage medium, by SDIO interface, is connected with main control module, is used for the information collecting to carry out data storage;
Display module comprises LCDs, and display module also shows the every terms of information parameter in crop water shortage index (CWSI) theory under the control of main control module;
The GPS locating module of the present embodiment adopts global positioning satellite receiving chip Gstar series GS-89 to form, connected by the serial ports of main control module, completes the reception of gps coordinate information, for accurate geographic coordinate is provided.
The course of work of this example:
1, the analog voltage signal of soil temperature sensor, soil moisture sensor and optical sensor output passes to main control module by corresponding analog to digital conversion interface respectively;
2, canopy temperature sensor, Temperature Humidity Sensor, carbon dioxide sensor and air velocity transducer provide crop canopy temperature, Atmosphere temp.and RH, gas concentration lwevel and the wind speed information of the first digital signal to main control module;
3, main control module is converted to the second digital signal by the analog voltage signal in above-mentioned steps 1;
4, main control module calculates plant growth lack of water information according to crop water shortage index (CWSI) theory;
5, main control module passes on the one hand SD card by the lack of water information obtaining in step 4 and stores, and shows on the other hand by LCDs.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (6)
1. a plant growth lack of water information detector, has main control module, it is characterized in that, also comprises the analog sensor group, digital sensor group, GPS locating module and the power module that are connected with the input end of described main control module; The data memory module and the display module that are connected with the output terminal of described main control module;
Described analog sensor group, digital sensor group and GPS locating module gather respectively the physical message on crop ground of living in, and described physical message is passed to main control module, main control module is processed rear formation numerical information to physical message and is passed to respectively data memory module and display module.
2. plant growth lack of water information detector according to claim 1, is characterized in that: described analog sensor group comprises soil temperature sensor, soil moisture sensor and optical sensor.
3. plant growth lack of water information detector according to claim 1, is characterized in that: described digital sensor group comprises canopy temperature sensor, Temperature Humidity Sensor, carbon dioxide sensor and air velocity transducer.
4. plant growth lack of water information detector according to claim 1, is characterized in that: described data memory module adopts SD card as storage medium.
5. plant growth lack of water information detector according to claim 1, is characterized in that: described display module comprises LCDs.
6. plant growth lack of water information detector according to claim 3, is characterized in that: described canopy temperature sensor is infrared temperature-test sensor; Described Temperature Humidity Sensor is SHT75 Temperature Humidity Sensor, and it has 14 A/D converters; Described air velocity transducer is wind-cup type air velocity transducer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320609198.4U CN203479336U (en) | 2013-09-27 | 2013-09-27 | Crop growth water-shortage information detecting device |
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| CN201320609198.4U CN203479336U (en) | 2013-09-27 | 2013-09-27 | Crop growth water-shortage information detecting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089650A (en) * | 2014-07-10 | 2014-10-08 | 中国水利水电科学研究院 | Crop canopy temperature and soil moisture content data monitoring system and application thereof |
| CN106132012A (en) * | 2016-07-11 | 2016-11-16 | 王正作 | A kind of intelligent LED |
| CN107529731A (en) * | 2015-03-31 | 2018-01-02 | 株式会社路特雷克网络 | Nutrient solution soil ploughing system, nutrient solution soil plough control server, salt aggregation decision method and soil EC sensors |
| CN109239393A (en) * | 2018-10-16 | 2019-01-18 | 大连海事大学 | A kind of unmanned boat wind speed measuring device |
| CN110579245A (en) * | 2019-10-22 | 2019-12-17 | 山东省农业可持续发展研究所 | wheat drought degree monitoring method and monitoring equipment based on sensing technology |
-
2013
- 2013-09-27 CN CN201320609198.4U patent/CN203479336U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089650A (en) * | 2014-07-10 | 2014-10-08 | 中国水利水电科学研究院 | Crop canopy temperature and soil moisture content data monitoring system and application thereof |
| CN107529731A (en) * | 2015-03-31 | 2018-01-02 | 株式会社路特雷克网络 | Nutrient solution soil ploughing system, nutrient solution soil plough control server, salt aggregation decision method and soil EC sensors |
| CN106132012A (en) * | 2016-07-11 | 2016-11-16 | 王正作 | A kind of intelligent LED |
| CN106132012B (en) * | 2016-07-11 | 2018-06-08 | 谢长溪 | A kind of method of extensive intelligence cultivation plant |
| CN109239393A (en) * | 2018-10-16 | 2019-01-18 | 大连海事大学 | A kind of unmanned boat wind speed measuring device |
| CN110579245A (en) * | 2019-10-22 | 2019-12-17 | 山东省农业可持续发展研究所 | wheat drought degree monitoring method and monitoring equipment based on sensing technology |
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