CN204228602U - Crop leaf physiological moisture monitoring system - Google Patents

Crop leaf physiological moisture monitoring system Download PDF

Info

Publication number
CN204228602U
CN204228602U CN201420712576.6U CN201420712576U CN204228602U CN 204228602 U CN204228602 U CN 204228602U CN 201420712576 U CN201420712576 U CN 201420712576U CN 204228602 U CN204228602 U CN 204228602U
Authority
CN
China
Prior art keywords
module
sensor
crop
water content
sample
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420712576.6U
Other languages
Chinese (zh)
Inventor
许世卫
李灯华
李哲敏
张建华
李干琼
王东杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agricultural Information Institute of CAAS
Original Assignee
Agricultural Information Institute of CAAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agricultural Information Institute of CAAS filed Critical Agricultural Information Institute of CAAS
Priority to CN201420712576.6U priority Critical patent/CN204228602U/en
Application granted granted Critical
Publication of CN204228602U publication Critical patent/CN204228602U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The utility model relates to plant physiology information lossless monitoring technical field, discloses a kind of crop leaf physiological moisture monitoring system.This system comprises: leaf water content Non-Destructive Testing module; Wherein, described leaf water content Non-Destructive Testing module comprises infrared light sources transmitter, detects sample stage and thoroughly/reflected light light-intensity test parts; Described detection sample stage adopts clear glass to make, and sample stage surface is provided with narrow band pass filter; The infrared ray that described infrared light sources transmitter sends is incident upon on sample, described/reflected light light-intensity test parts detect respectively described sample to described ultrared/intensity of reflected light.The utility model quick and precisely can obtain the water regime information of crop, simple to operate, can Non-Destructive Testing continuously, have volume little, highly sensitive, respond fast advantage.

Description

Crop leaf physiological moisture monitoring system
Technical Field
The utility model relates to a crop physiological information nondestructive test technical field, concretely relates to crop blade physiology moisture monitoring system.
Background
Moisture is an important substance for crop growth and is also the largest consumable in the crop growth process. The water content of the plant leaves is an important physiological index for representing the water information of the plant body, and the plant leaves are widely applied to the research of plant physiology and drought resistance. How to rapidly and accurately acquire the moisture condition information of plants, especially the water content of plant leaves, has very important significance for researching physiological and biochemical reactions of crops, mastering the growth and development processes of plants, guiding water-saving irrigation and the like. The traditional plant leaf moisture measuring method comprises a drying method, a distillation method, a titration method, an electrical measurement method and the like, the existing methods need to collect samples and then measure the samples under the condition of a laboratory, generally, the time consumption is long, the operation is complex, the detection cost is high, the measured data is single, only scientific research significance is achieved, and the method is not suitable for monitoring and adjusting the growth condition of crops on site. Therefore, the rapid, real-time and accurate measurement of the moisture status of crop growth, especially the moisture content of plant leaves, is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect of prior art, the utility model aims to solve the technical problem that how quick, simple and convenient detection crop blade water content realizes online nondestructive test.
In order to solve the technical problem, the utility model provides a crop leaf physiological water monitoring system, it includes: a nondestructive testing module for water content of the blade; the nondestructive testing module for the water content of the blade comprises an infrared light source emitter, a testing sample stage and a transmission/reflection light intensity testing part; the detection sample table is made of transparent glass, and a narrow-band filter is arranged on the surface of the sample table; the infrared ray emitted by the infrared ray light source emitter is projected on a sample, and the transmitted/reflected light intensity detection components respectively detect the intensity of the transmitted/reflected light of the sample to the infrared ray.
Preferably, the nondestructive testing module for water content of the blade further comprises: the device comprises an amplifier, a conditioning circuit, an analog-to-digital converter and a microprocessor; wherein,
the output end of the transmission/reflection light intensity detection component is connected with the amplifier and the conditioning circuit; the output end of the amplifier and the conditioning circuit is connected with the analog-to-digital converter; the output end of the analog-to-digital converter is connected with the microprocessor.
Preferably, the infrared light source emitter is an infrared light emitting diode.
Preferably, the transmitted/reflected light intensity detecting means includes a photodiode and an optical signal receiving circuit.
Preferably, the system further comprises: the crop environmental information sensor module is composed of environmental information sensor nodes arranged around a crop growing environment.
Preferably, the sensor module includes: the system comprises an air temperature and humidity sensor, an illumination sensor, a carbon dioxide sensor, a wind speed sensor, a soil temperature and humidity sensor, a blade temperature sensor and a runoff sensor.
Preferably, the system further comprises: the device comprises a main control module, a memory and a display screen; the main control module is connected with the nondestructive testing module for the water content of the blades and the sensor module for the crop environmental information, calls data detected by the detection module and the sensor module, and stores the data in a memory.
Preferably, the memory is a FLASH memory; the display screen is an LCD liquid crystal display screen.
Preferably, the system further comprises a power supply module connected with the leaf water content nondestructive testing module, the crop environment information sensor module, the main control module, the memory and the display screen.
Preferably, the power module comprises a solar panel and a storage battery connected with the solar panel through a wire.
The beneficial effects of the above technical scheme are: the utility model discloses can real-time nondestructive test crop blade's moisture content, can also synchronous monitoring and crop water content closely relevant environmental information to with the data storage that detects in sensor system's memory. The system has the advantages of small volume, high sensitivity and quick response, and can effectively assist agricultural scientific research personnel, agricultural technical workers and farmers to diagnose the water content and the water shortage condition of crops on site in time and guide efficient water-saving irrigation.
Drawings
FIG. 1 is a schematic structural diagram of a nondestructive testing module for water content in a blade according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the overall structure of a physiological moisture monitoring system for crop leaves according to a preferred embodiment of the present invention;
fig. 3 is the schematic structural diagram of the synchronous detection of the crop environmental information sensor node and the nondestructive testing module for water content in the leaves in one embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
The leaf moisture measurement in the prior art is mainly realized through the component analysis of a sample, and the sample is usually collected and preprocessed, so that the requirement on the test environment is high. The utility model discloses well adoption optical mode, through analysis blade to infrared ray transflectance non-contact ground survey water content, its scheme easy to carry out and real-time strong, can extensively be used for the site operation. The structure and function of the crop leaf physiological water monitoring system of the present invention are described below with reference to fig. 1 to 3.
As shown in fig. 1, in an embodiment of the present invention, the crop leaf physiological moisture monitoring system mainly comprises a leaf moisture nondestructive testing module, wherein the leaf moisture nondestructive testing module comprises an infrared light source emitter, a testing sample stage and a transmission/reflection light intensity testing component; the detection sample table is made of transparent glass, and a narrow-band filter (preventing natural light from influencing transmitted light) is arranged on the surface of the sample table; the infrared ray emitted by the infrared ray light source emitter is projected on a sample (a crop leaf), and the transmitted/reflected light intensity detection components respectively detect the transmitted/reflected light intensity of the sample to the infrared ray. The utility model discloses a compare the water content of passing through/the reverberation light intensity and survey the crop blade, wherein different crop blade water contents and its pass through/the corresponding relation of reverberation light intensity are through experimental survey in advance and correction, the utility model discloses the water content of current sample is confirmed according to the light intensity of survey and light intensity-moisture corresponding relation to the system during implementation.
Furthermore, since the light intensity is an analog quantity, and needs to be converted into a digital quantity by a certain means for processing and quantitative analysis, the nondestructive testing module for water content in the blade shown in fig. 1 further includes: the device comprises an amplifier, a conditioning circuit, an analog-to-digital converter and a microprocessor; the output end of the transmission/reflection light intensity detection component is connected with the amplifier and the conditioning circuit, and the analog signal of the light intensity is amplified and conditioned; the output end of the amplifier and the conditioning circuit is connected with the analog-to-digital converter and used for converting the analog signal into a digital signal; the output end of the analog-to-digital converter is connected with the microprocessor and used for processing and quantitatively analyzing the digital signals.
Preferably, the infrared light source emitter is an infrared light emitting diode; the transmitted/reflected light intensity detection part includes a photodiode and an optical signal receiving circuit.
Referring again to fig. 2, the crop leaf physiological moisture monitoring system of the present invention can further monitor the growing environment of the crop for more detailed analysis, guidance and/or intervention. In the preferred embodiment of fig. 2, the monitoring system of the present invention further comprises: crop environmental information sensor module, it comprises the environmental information sensor node of setting around the crop growing environment, includes: air temperature and humidity sensor, illumination sensor, carbon dioxide sensor, wind speed sensor, soil temperature and humidity sensor, blade temperature sensor, runoff sensor and the like. And all sensors are integrated through a system to carry out comprehensive detection. Taking rice crops as an example, the sensor nodes are arranged above the rice field, so that crop environment information can be synchronously recorded, and the influence of the crop environment on the physiological moisture of the leaves can be monitored in an auxiliary manner.
Fig. 2 still further includes: the device comprises a main control module, a memory and a display screen. The main control module is connected with the blade water content nondestructive testing module and the crop environmental information sensor module, calls data of the blade water content nondestructive testing module and detection of each sensor, and stores the data into the memory. The memory is a FLASH memory; the display screen is an LCD liquid crystal display screen.
As shown in FIG. 3, the monitoring system further comprises a power supply module connected with the nondestructive testing module for water content of the blades, the crop environment information sensor module, the main control module, the memory and the display screen. Preferably, the power module comprises a solar panel and a storage battery connected with the solar panel through a wire.
As can be seen from the above embodiment, the utility model discloses a monitoring system can real-time nondestructive test crop blade's moisture content, can also monitor the environmental information closely related with the crop water content in step to with the data storage that detects in sensor system's memory. The system has the advantages of small volume, high sensitivity and quick response, and can effectively assist agricultural scientific research personnel, agricultural technical workers and farmers in diagnosing the water content and the water shortage condition of crops and guiding efficient water-saving irrigation.
Although the present invention has been described in connection with preferred embodiments, it will be understood by those skilled in the art that the methods and systems of the present invention are not limited to the embodiments described in the detailed description, and that various modifications, additions and substitutions are possible, without departing from the spirit and scope of the invention as defined in the accompanying claims.

Claims (10)

1. A crop leaf physiological moisture monitoring system. Characterized in that the system comprises: a nondestructive testing module for water content of the blade; wherein,
the nondestructive testing module for the water content of the blade comprises an infrared light source emitter, a testing sample stage and a transmission/reflection light intensity testing part;
the detection sample table is made of transparent glass, and a narrow-band filter is arranged on the surface of the sample table;
the infrared ray emitted by the infrared ray light source emitter is projected on a sample, and the transmitted/reflected light intensity detection components respectively detect the intensity of the transmitted/reflected light of the sample to the infrared ray.
2. The system of claim 1, wherein the blade moisture content non-destructive inspection module further comprises: the device comprises an amplifier, a conditioning circuit, an analog-to-digital converter and a microprocessor; wherein,
the output end of the transmission/reflection light intensity detection component is connected with the amplifier and the conditioning circuit; the output end of the amplifier and the conditioning circuit is connected with the analog-to-digital converter; the output end of the analog-to-digital converter is connected with the microprocessor.
3. The system of claim 1, wherein the infrared light source emitter is an infrared light emitting diode.
4. The system of claim 1, wherein the transmitted/reflected light intensity detecting means includes a photodiode and an optical signal receiving circuit.
5. The system of claim 1, wherein the system further comprises: the crop environmental information sensor module is composed of environmental information sensor nodes arranged around a crop growing environment.
6. The system of claim 5, wherein the sensor module comprises: the system comprises an air temperature and humidity sensor, an illumination sensor, a carbon dioxide sensor, a wind speed sensor, a soil temperature and humidity sensor, a blade temperature sensor and a runoff sensor.
7. The system of claim 5, wherein the system further comprises: the device comprises a main control module, a memory and a display screen; wherein,
the main control module is connected with the nondestructive testing module for the water content of the blades and the sensor module for the crop environmental information, calls data detected by the testing module and the sensor module, and stores the data in a memory.
8. The system of claim 7, wherein the memory is a FLASH memory; the display screen is an LCD liquid crystal display screen.
9. The system of claim 7, further comprising a power module connected to the non-destructive testing of leaf moisture content module, the crop environmental information sensor module, the master control module, the memory, and the display screen.
10. The system of claim 9, wherein the power module comprises a solar panel and a battery connected to the solar panel by a wire.
CN201420712576.6U 2014-11-24 2014-11-24 Crop leaf physiological moisture monitoring system Expired - Fee Related CN204228602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420712576.6U CN204228602U (en) 2014-11-24 2014-11-24 Crop leaf physiological moisture monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420712576.6U CN204228602U (en) 2014-11-24 2014-11-24 Crop leaf physiological moisture monitoring system

Publications (1)

Publication Number Publication Date
CN204228602U true CN204228602U (en) 2015-03-25

Family

ID=52926682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420712576.6U Expired - Fee Related CN204228602U (en) 2014-11-24 2014-11-24 Crop leaf physiological moisture monitoring system

Country Status (1)

Country Link
CN (1) CN204228602U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104374732A (en) * 2014-11-24 2015-02-25 中国农业科学院农业信息研究所 System for monitoring physiological water in crop leaves
CN107402165A (en) * 2017-08-08 2017-11-28 中国科学院寒区旱区环境与工程研究所 Condensate scope and system
CN108693145A (en) * 2017-04-11 2018-10-23 中国农业大学 A kind of plant leaf blade moisture content detecting method
CN111638306A (en) * 2020-06-11 2020-09-08 中国农业科学院农业信息研究所 Crop dynamic monitoring method, device, equipment and system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104374732A (en) * 2014-11-24 2015-02-25 中国农业科学院农业信息研究所 System for monitoring physiological water in crop leaves
CN108693145A (en) * 2017-04-11 2018-10-23 中国农业大学 A kind of plant leaf blade moisture content detecting method
CN108693145B (en) * 2017-04-11 2020-02-07 中国农业大学 Plant leaf water content detection method
CN107402165A (en) * 2017-08-08 2017-11-28 中国科学院寒区旱区环境与工程研究所 Condensate scope and system
CN107402165B (en) * 2017-08-08 2019-08-20 中国科学院寒区旱区环境与工程研究所 Condensed water observation device and system
CN111638306A (en) * 2020-06-11 2020-09-08 中国农业科学院农业信息研究所 Crop dynamic monitoring method, device, equipment and system
WO2021248773A1 (en) * 2020-06-11 2021-12-16 中国农业科学院农业信息研究所 Crop dynamic monitoring method, apparatus, device and system

Similar Documents

Publication Publication Date Title
CN100462712C (en) Non-destructive detecting method and detecting instrument for portable plant nitrogen and water content
CN204228602U (en) Crop leaf physiological moisture monitoring system
CN101975764B (en) Near infrared spectrum technology-based multiband soil nitrogen detection device and method
CN201819877U (en) Fast milk moisture monitoring device based on near infrared spectral analysis technology
CN204556499U (en) The multi-channel high-speed data acquisition and processing system of tuning diode absorption spectrum
CN101975759A (en) Transmission-type nondestructive measuring device and method of water content of plant leaves
CN103149162A (en) Portable crop growth information monitor based on active light source
CN203011825U (en) Portable crop growth information monitor based on active light source
CN101949825B (en) Leaf water near infrared non-destructive testing device and method in light open environment
CN103149180B (en) Detection method of soil spectral reflectivity and specific conductance
CN205229055U (en) Urine mummification analytical equipment based on many monochromatic light and optic fibre
CN205175881U (en) Viscidity particulate matter consistency transmitter
CN106872440A (en) Portable multi-function soil nutrient tacheometer based on SERS
CN201788153U (en) Pesticide residue detector integrated with micro electronic balance
CN106404680A (en) Device and method for field quick on-site detection of citrus huanglongbing
CN108226049A (en) System for detecting blood sugar and detection method
CN103558177B (en) Raw meat organizes moisture near-infrared detection apparatus and detection method
CN101858759A (en) Multi-channel agricultural measuring device based on MCU
CN104374732A (en) System for monitoring physiological water in crop leaves
Yitong et al. Design of multi-parameter wireless sensor network monitoring system in precision agriculture
CN102830071B (en) Detection apparatus and method for total phosphorus content in soil
CN203241371U (en) Portable multi-index impedance biosensor device
CN206146554U (en) Gas temperature detection device based on but tuning diode laser absorption spectrum
CN205333513U (en) Organic spectral detection device of soil
CN205404410U (en) Double -light -path method littoral zone water chlorophyll normal position monitoring devices

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150325

Termination date: 20211124

CF01 Termination of patent right due to non-payment of annual fee