CN105606664A - Plant critical freezing injury temperature detector - Google Patents
Plant critical freezing injury temperature detector Download PDFInfo
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- CN105606664A CN105606664A CN201610146236.5A CN201610146236A CN105606664A CN 105606664 A CN105606664 A CN 105606664A CN 201610146236 A CN201610146236 A CN 201610146236A CN 105606664 A CN105606664 A CN 105606664A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a plant critical freezing injury temperature detector and belongs to the field of monitoring and control of agro-meteorological disasters. The detector comprises a detector main engine which takes a power consumption microcontroller as a core, and a plant critical freezing injury temperature wireless sensor, wherein the detector main engine is in wireless communication with the plant critical freezing injury temperature wireless sensor through a wireless transmission communication protocol. According to the plant critical freezing injury temperature detector disclosed by the invention, portable and effective measurement of plant critical freezing injury temperatures is realized; the plant critical freezing injury temperature detector is simple in structure and low in cost; and the wireless sensor and the detector are used for carrying out wireless transmission of data, and multi-point monitoring of the plant critical freezing injury temperatures is realized.
Description
Technical field
The present invention relates to agrometeorological hazard monitoring and control field, be specifically related to the critical freeze injury temperature of a PlantsDetector technology.
Background technology
Early spring, Spring frost, caused serious injury to plant growth and growth. Abroad in Recent Years has been developed mechanizationFrost prevention equipment and technology, the Chinese patent that the patent No. is 201310539973.8, discloses a Plants automaticSprinkling irrigation frost prevention system and method; The patent No. is the Japan Patent of JP2006238767, discloses a kind of frost damageAnti-locking apparatus; It is anti-that the patent No. is that 201410620814.5 Chinese patent discloses a kind of small-sized depopulated helicopterExcept the flying method of plant frost damage; The patent No. is the United States Patent (USP) of US20110247263, proposed based onThe poor control of critical low temperature inversion and regurgitation Wen Yan stop controlling, and these two kinds of control modes are all with tea tree generation freeze injuryCritical-temperature is necessary condition; Critical freeze injury temperature is one of important control parameter of mechanization frost prevention; The patent No.Be 201410405693.2 Chinese patent, disclose the critical freeze injury temperature testing method of a Plants and system,Can the critical freeze injury temperature of Validity Test, but test macro complexity is loaded down with trivial details, can not be effective to multiple spot monitoring;The patent No. is 201310683539.7 Chinese patent, discloses a kind of electric thermo-couple temperature measuring instrument and debugging thereofDevice, utilizes temperature checking data to set up segment data table, adopts computation of table lookup method real when temperature survey at ordinary timesExisting brightness nonlinear correction and error compensation, and realize going out of each many electric thermo-couple temperature measuring instruments by stepper motorFactory's debugging, but this measuring instrument can not be used for measuring the freeze injury temperature of plant; The patent No. is 201420438236.9Chinese patent, a kind of non-contact type temperature measurement instrument is disclosed, for non-contacting mode measurement target thingTemperature, but can not be effective to the critical freeze injury temperature of test plants.
Summary of the invention
The object of the present invention is to provide the critical freeze injury temperature monitor of a Plants, to realize the critical freeze injury of plantConvenient, the effective and multiple spot monitoring of temperature.
For achieving the above object, the invention discloses the critical freeze injury temperature monitor of a Plants, comprise low-power consumptionMicrocontroller is detector main frame (1) and the critical freeze injury temperature wireless of the plant sensor (2) of core, and its feature existsIn, the detector main frame (1) that described low-power consumption microcontroller is core comprising: low-power consumption microcontroller (11), mainMachine wireless module (12), host power supply module (13), key-press module (14) and LCD display module (15), low meritThe data receiver of consumption microcontroller (11) is connected with the data sending terminal of main frame wireless module (12), host power supplyThe voltage output end of module (13) is connected with the feeder ear of low-power consumption microcontroller (11), key-press module (14) and low meritThe control bit of consumption microcontroller (1) is connected, and LCD display module (15) shows data sending terminal and low-power consumption microcontrollerThe demonstration data receiver of device (1) is connected; The critical freeze injury temperature wireless of described plant sensor (2) comprises electric capacity surveyAmount module (21), temperature-measuring module (22), sensor electrical source module (23) and sensor wireless module (24), passThe signal of the signal receiving end of sensor wireless module (24) and capacitance measurement module (21) and temperature-measuring module (22)Transmitting terminal is connected, and sensor wireless module (24) is by wireless communication protocol and main frame wireless module (12) communication,Sensor electrical source module (23) voltage output end and sensor wireless module (24), capacitance measurement module (21) and temperatureThe feeder ear of measurement module (22) is connected; Low-power consumption microcontroller is that the detector main frame (1) of core is by wireless biographyThe critical freeze injury temperature wireless of defeated communication protocol and plant sensor (2) carries out transfer of data.
Capacitance measurement module (21) in the critical freeze injury temperature wireless of described plant sensor (2) is in order to detect plantCapacitance signal, temperature-measuring module (22) is in order to detect plant temperature signal; Described low-power consumption microcontroller isLow-power consumption microcontroller (11) in the detector main frame (1) of core is in order to send Receiving Host wireless module (12)The data spike that carries out A/D conversion and electric capacity judge, identify effective capacitance spike point, by electric capacity is gone outExisting Rush Hour is compared with leaf temperature this moment, the temperature when obtaining thus electric capacity and occurring spike, and this temperature is for plantingThe critical freeze injury temperature of thing.
Operation principle of the present invention. Capacitance measurement module detects the electric capacity of plant, and temperature-measuring module detects plantTemperature, be that voltage signal sends low-power consumption microcontroller to through sensor wireless module converts, low-power consumption is micro-Controller carries out A/D conversion to the signal gathering, and converts data signal to, the spike of electric capacity is judged,, by there is electric capacity Rush Hour and blade ring border temperature this moment compare, thus in identification effective capacitance spike pointTemperature when obtaining electric capacity and occurring spike, this temperature can be used for characterizing the critical freeze injury temperature of tea leaf, and defeatedGo out to show critical freeze injury temperature.
The beneficial effect that the present invention has. The present invention passes through the detection of plant electric capacity and the effectively critical freeze injury of identificationTemperature, and adopt wireless sensor technology, thus realize convenient and effective measurement of the critical freeze injury temperature of plant, knotStructure is simple, cost is low, and wireless senser and detector carry out data wireless transmission, realizes the critical freeze injury of plantThe multiple spot monitoring of temperature.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
In figure: the detector main frame that 1 low-power consumption microcontroller is core, the critical freeze injury temperature wireless of 2 plant passesSensor, 11 low-power consumption microcontrollers, 12 main frame wireless modules, 13 host power supply modules, 14 key-press modules,15LCD display module, 21 capacitance measurement modules, 22 temperature-measuring modules, 23 sensor electrical source modules,24 sensor wireless modules; Dotted line represents wireless transmission protocol.
Fig. 2 is detector structural representation of the present invention;
Fig. 3 is detector main program flow chart of the present invention;
Fig. 4 is the critical freeze injury decision procedure of the present invention flow chart;
Fig. 5 is data recording program flow process of the present invention;
Fig. 6 is parameter measurement flow chart of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further details.
Taking tea tree in tea place as example.
Typical responses based on tea leaf electric capacity under low temperature stress, and and critical freeze injury degree betweenCorrelation, optional chip capacitor and the temperature of getting rid of leaves, as main survey parameter, developed critical the freezing of a set of integrated tea leafEvil detector, is convenient to the multiple spot monitoring of laboratory and the critical freeze injury temperature of field tea leaf, also can be tea place anti-Frost equipment control provides real-time main contral parameter.
Structure of the present invention forms as shown in Figure 1, comprising: the detector main frame 1 that low-power consumption microcontroller is coreWith the critical freeze injury temperature wireless of plant sensor 2, the detector main frame 1 that low-power consumption microcontroller is core passes throughThe critical freeze injury temperature wireless of wireless transmission communication protocol and plant sensor 2 carries out transfer of data; Detector main frame1 comprises: low-power consumption microcontroller 11, main frame wireless module 12, host power supply module 13, key-press module 14With LCD display module 15; The critical freeze injury temperature wireless of plant sensor 2 comprises: capacitance measurement module 21,Temperature-measuring module 22, sensor electrical source module 23 and sensor wireless module 24.
Detector mentality of designing as shown in Figure 2, first survey by the capacitance parameter to tea leaf and leaf temperatureExamination, judges the spike of electric capacity, identification effective capacitance spike point, by electric capacity is occurred Rush Hour withBlade environment temperature comparison this moment, the temperature when obtaining thus electric capacity and occurring spike, this temperature can be used for characterizing teaThe critical freeze injury temperature of leaf sheet.
The signal receiving end of sensor wireless module 24 of the present invention and capacitance measurement module 21 and temperature survey mouldThe signal sending end of piece 22 is connected, and sensor wireless module 24 is by wireless communication protocol and main frame wireless module24 communications, sensor electrical source module 23 voltage output ends and sensor wireless module 24, capacitance measurement module21 are connected with the feeder ear of temperature-measuring module 22; The data receiver of low-power consumption microcontroller 11 and main frameThe data sending terminal of wireless module 12 is connected, the voltage output end of host power supply module 13 and low-power consumption microcontrollerThe feeder ear of device 11 is connected, and key-press module 14 is connected with the control bit of low-power consumption microcontroller 1, and LCD is aobviousShow that module 15 shows that data sending terminal is connected with the demonstration data receiver of low-power consumption microcontroller 11.
In the present embodiment, the low-power consumption microcontroller in the detector main frame 1 that low-power consumption microcontroller is core11 main control chip is selected the MSP430F149 single-chip microcomputer of TI company development. It is the ultralow merit of a kind of sixteen bitConsumption single-chip microcomputer, there are 5 low-power consumption modules its inside, protects to the full extent the life-span of battery, is adapted at portableOn formula instrument, use. Single-chip microcomputer adopts 16 reduced instruction sets, integrated 16 bit registers and constant generator,Bring into play maximum code efficiency, there are 87 I/O mouths, the flash memory of 256KB, the RAM of 16KB, height12 A/D converters of speed. Single-chip microcomputer supply voltage is 3.3V. LCD display module 15 adopts ILI9320TFTBand backlight LCD touch display screen, supply voltage is 3.3V. Main interface have AD0-AD7, R/W, RS,EN, PSB and RST etc., its voltage is supplied with by single-chip microcomputer.
Key-press module 14 is respectively P2.0, P2.1, P2.2 and P2.3. MSP430F149 single-chip microcomputer passes through P6.0Voltage signal with P6.1 collection main frame wireless module 12. The data segment AD0-AD7 of LCD display module 15Be connected with the I/O mouth P9.0-P9.7 of low-power consumption microcontroller 11, other control bits connect respectively P4.1-P4.6.The connection that MSP430F149 single-chip microcomputer is modules provides abundant I/O mouth resource.
Detector operation principle: capacitance measurement module 21 is in order to detect the capacitance signal of tea leaf, and temperature is surveyedAmount module 22 is in order to detect tea leaf temperature signal; Low-power consumption microcontroller 11 is by main frame wireless moduleThe data that 12 receiving sensor wireless modules 24 send, carry out the spike of A/D conversion and electric capacity and judge, identificationEffective capacitance spike point, by electric capacity being occurred to Rush Hour and leaf temperature this moment compare, obtains electric capacity thusTemperature while there is spike, this temperature is the critical freeze injury temperature of tea leaf.
Fig. 3 is detector main program flow chart, and detector main program divides three main modular: parameter measurement, numberIt is investigated and ask and data deletion. User selects by key-press module 14.
Fig. 4 is critical freeze injury decision procedure flow chart, reads and deposits capacitance data, and find out capacitance maximum,In the time that maximum is greater than 100nF, export corresponding temperature, be the critical freeze injury temperature of tea tree; Work as maximumWhile being less than or equal to 100nF, output is unknown.
Fig. 5 is parameter measurement flow chart, and while starting measurement parameter module, capacitance measurement module 21 gathers tea treeThe voltage signal of the electric capacity of blade, temperature-measuring module 22 gathers the voltage signal of tea leaf temperature, letterNumber send into low-power consumption microcontroller 11 by sensor wireless module 12 and main frame wireless module 24, by listThe A/D conversion of low-power consumption microcontroller 11 self, converts data signal to analog signal, and then carries outCalculate and show.
Fig. 6 is data recording program flow process, and data show employing continuous type refresh mode, and user is record at any timeData.
Claims (2)
1. the critical freeze injury temperature monitor of a Plants, comprise that low-power consumption microcontroller is detector main frame (1) and the critical freeze injury temperature wireless of the plant sensor (2) of core, it is characterized in that: the detector main frame (1) that described low-power consumption microcontroller is core comprising: low-power consumption microcontroller (11), main frame wireless module (12), host power supply module (13), key-press module (14) and LCD display module (15), the data receiver of low-power consumption microcontroller (11) is connected with the data sending terminal of main frame wireless module (12), the voltage output end of host power supply module (13) is connected with the feeder ear of low-power consumption microcontroller (11), key-press module (14) is connected with the control bit of low-power consumption microcontroller (1), LCD display module (15) shows that data sending terminal is connected with the demonstration data receiver of low-power consumption microcontroller (1), the critical freeze injury temperature wireless of described plant sensor (2) comprises capacitance measurement module (21), temperature-measuring module (22), sensor electrical source module (23) and sensor wireless module (24), the signal receiving end of sensor wireless module (24) is connected with the signal sending end of temperature-measuring module (22) with capacitance measurement module (21), sensor wireless module (24) is by wireless communication protocol and main frame wireless module (12) communication, sensor electrical source module (23) voltage output end and sensor wireless module (24), capacitance measurement module (21) is connected with the feeder ear of temperature-measuring module (22), low-power consumption microcontroller is that the detector main frame (1) of core carries out transfer of data by wireless transmission communication protocol and the critical freeze injury temperature wireless of plant sensor (2).
2. the critical freeze injury temperature monitor of a Plants according to claim 1, it is characterized in that: the capacitance measurement module (21) in the critical freeze injury temperature wireless of described plant sensor (2) is in order to detect the capacitance signal of plant, and temperature-measuring module (22) is in order to detect plant temperature signal; The spike that low-power consumption microcontroller (11) in the detector main frame (1) that described low-power consumption microcontroller is core carries out A/D conversion and electric capacity in order to the data that Receiving Host wireless module (12) is sent is judged, identification effective capacitance spike point, compare by electric capacity being occurred to Rush Hour and leaf temperature this moment, temperature when obtaining thus electric capacity and occurring spike, this temperature is the critical freeze injury temperature of plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146236.5A CN105606664A (en) | 2016-03-15 | 2016-03-15 | Plant critical freezing injury temperature detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146236.5A CN105606664A (en) | 2016-03-15 | 2016-03-15 | Plant critical freezing injury temperature detector |
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| CN105606664A true CN105606664A (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610146236.5A Pending CN105606664A (en) | 2016-03-15 | 2016-03-15 | Plant critical freezing injury temperature detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781372A (en) * | 2016-12-07 | 2017-05-31 | 徐州工程学院 | A kind of data transmission detection device of sensor |
| CN111257364A (en) * | 2020-01-19 | 2020-06-09 | 河北省气象科学研究所 | Non-isolated plant organ supercooling point tester |
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| CN103424147A (en) * | 2013-08-27 | 2013-12-04 | 江苏大学 | Soilless culture matrix multiparameter detector |
| CN104155346A (en) * | 2014-08-18 | 2014-11-19 | 江苏大学 | Method for testing critical freeze damage temperature of plant, and system thereof |
| CN204832924U (en) * | 2015-06-30 | 2015-12-02 | 安徽科技学院 | A environmental monitoring and automatic control system for warmhouse booth |
| CN205538793U (en) * | 2016-03-15 | 2016-08-31 | 江苏大学 | Critical freeze injury temperature detector of plant |
-
2016
- 2016-03-15 CN CN201610146236.5A patent/CN105606664A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424147A (en) * | 2013-08-27 | 2013-12-04 | 江苏大学 | Soilless culture matrix multiparameter detector |
| CN104155346A (en) * | 2014-08-18 | 2014-11-19 | 江苏大学 | Method for testing critical freeze damage temperature of plant, and system thereof |
| CN204832924U (en) * | 2015-06-30 | 2015-12-02 | 安徽科技学院 | A environmental monitoring and automatic control system for warmhouse booth |
| CN205538793U (en) * | 2016-03-15 | 2016-08-31 | 江苏大学 | Critical freeze injury temperature detector of plant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781372A (en) * | 2016-12-07 | 2017-05-31 | 徐州工程学院 | A kind of data transmission detection device of sensor |
| CN111257364A (en) * | 2020-01-19 | 2020-06-09 | 河北省气象科学研究所 | Non-isolated plant organ supercooling point tester |
| CN111257364B (en) * | 2020-01-19 | 2022-03-29 | 河北省气象科学研究所 | Non-isolated plant organ supercooling point tester |
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Application publication date: 20160525 |