CN111257364B - Non-isolated plant organ supercooling point tester - Google Patents

Non-isolated plant organ supercooling point tester Download PDF

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Publication number
CN111257364B
CN111257364B CN202010058617.4A CN202010058617A CN111257364B CN 111257364 B CN111257364 B CN 111257364B CN 202010058617 A CN202010058617 A CN 202010058617A CN 111257364 B CN111257364 B CN 111257364B
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plant
plant organ
fastening
temperature
temperature sensor
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CN111257364A (en
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杨彬云
相云
仝乘风
魏军
魏强
巫国栋
吴国明
穆西晗
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Hebei Institute Of Meteorological Science
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Hebei Institute Of Meteorological Science
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00Botany in general
    • A01G7/06Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Forests & Forestry (AREA)
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  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The invention provides a non-isolated plant organ supercooling point tester, which belongs to the technical field of plant protection devices and comprises a temperature sensor, a communication module, a data analysis module and a power supply module; the temperature sensor is arranged on a plant living body plant and connected with the plant organ so as to detect the temperature of the plant organ; the communication module is electrically connected with the temperature sensor and is used for transmitting temperature data detected by the temperature sensor; the data analysis module is connected with the temperature sensor through the communication module and used for storing and analyzing temperature data; the power supply module is electrically connected with the communication module and the data analysis module respectively. The non-isolated plant organ supercooling point tester provided by the invention can know the temperature change and the supercooling point of the plant organ in the real external environment, and the measured plant organ supercooling point has high reliability and no deviation and can be used as the real supercooling point of the plant organ.

Description

Non-isolated plant organ supercooling point tester
Technical Field
The invention belongs to the technical field of plant protection devices, and particularly relates to a non-isolated plant organ supercooling point tester.
Background
At present, biological freezing injury indexes are measured based on a supercooling point principle, and supercooling points of insects and plant organs are measured by mainly utilizing an artificial frost box and automatically controlling the temperature. The technical method can accurately measure and record the temperature value of the supercooling point, and realizes the quantitative measurement of the biological supercooling point. However, the artificial frost box equipment needs to be fixedly installed in a laboratory, the supercooling point of the measured insect is relatively easy to measure relative to the supercooling point of the plant organ, the living insect can be directly placed in the artificial frost box, the measurement of the living (non-isolated) organ of a tall fruit tree cannot be realized, the measurement can only be completed in the artificial frost box under the isolated (branch shearing) condition, and although the temperature condition can be controlled, the real meteorological environment (humidity, wind, temperature change amplitude and the like) is difficult to construct. Therefore, the method for measuring the supercooling point of the plant organ under the in vitro condition has certain deviation from the real supercooling point of the plant organ.
Disclosure of Invention
The invention aims to provide a non-isolated plant organ supercooling point tester, and aims to solve the technical problem that certain deviation exists between a measured plant organ supercooling point and a real supercooling point of a plant organ under an isolated condition.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a non-isolated plant organ supercooling point tester, which comprises a temperature sensor, a communication module, a data analysis module and a power supply module; the temperature sensor is arranged on a plant living body plant and connected with the plant organ so as to detect the temperature of the plant organ; the communication module is electrically connected with the temperature sensor and is used for transmitting temperature data detected by the temperature sensor; the data analysis module is connected with the temperature sensor through the communication module and used for storing and analyzing temperature data; and the power supply module is electrically connected with the communication module and the data analysis module respectively.
As another embodiment of the present application, the temperature sensor has a plurality of temperature sensors, and a plurality of temperature sensors are arranged at different parts of the living plant to detect the temperature of plant organs at different positions on the living plant.
As another embodiment of the present application, the temperature sensor is provided with a probe for inserting into an organ of a plant.
As another embodiment of the present application, further comprising a fixing means for preventing the probe from being separated from the plant organ.
As another embodiment of the present application, the fixing device includes a first fixing bar and a second fixing bar; one end of the first fixing rod is used for fixing on the plant branches, and the other end of the first fixing rod is provided with a first fastening mechanism used for being matched with plant organs; one end of the second fixing rod is connected with the first fixing rod, and the other end of the second fixing rod is provided with a second fastening mechanism matched with the probe.
As another embodiment of the present application, the first fastening mechanism includes a fastening spherical shell and a limiting rod; an accommodating cavity for accommodating plant organs is arranged in the fastening spherical shell, and air holes are formed in the side wall of the fastening spherical shell; the limiting rod penetrates through the side wall of the fastening spherical shell along the radial direction of the fastening spherical shell, and the outer wall of the limiting rod is connected with the side wall of the fastening spherical shell through a first threaded structure.
As another embodiment of the present application, the end of the stopper rod is provided with a scratch-proof member for protecting the plant organ.
As another embodiment of the present application, the second fastening mechanism includes a fastening sleeve and a locker; the fastening sleeve is arranged along the radial direction of the fastening spherical shell, the outer wall of the fastening sleeve is fixedly connected with the second fixing rod, and the inner wall of the fastening sleeve is tightly contacted with the outer wall of the probe; the retaining member runs through the lateral wall setting of adapter sleeve, and with the lateral wall of adapter sleeve passes through second helicitic texture and connects.
As another embodiment of the present application, the power supply system further includes a heat insulation box for loading the communication module and the power supply module.
As another embodiment of this application, insulation can outer wall is equipped with waterproof construction.
The non-isolated plant organ supercooling point tester provided by the invention has the beneficial effects that: the temperature sensor is arranged on a plant living body plant growing in a natural environment and connected with a plant organ, the plant organ of the plant living body plant receives the direct influence of the external temperature to generate temperature change, the measured temperature of the plant organ is transmitted to the data analysis module through the communication module to be stored and analyzed, the temperature change and the supercooling point of the plant organ in the real external environment can be intuitively known through the analysis of the data analysis module, and compared with experimental data measured in an in-vitro mode, the non-in-vitro plant organ supercooling point determinator provided by the invention has the advantages that the measured plant organ supercooling point has high reliability and no deviation and can be used as the real supercooling point of the plant organ.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a non-isolated plant organ supercooling point measuring instrument according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a fixing device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a fastening spherical shell according to an embodiment of the present invention;
FIG. 4 is a schematic view of a fastening spherical shell and a plant organ matching structure provided by an embodiment of the present invention;
FIG. 5 is a schematic longitudinal sectional view of a fastening sleeve according to an embodiment of the present invention;
in the figure: 1. a first fixing lever; 2. a fixing clip; 3. fastening the spherical shell; 31. a first hemispherical shell; 32. a second hemispherical shell; 33. an arc-shaped plate; 4. a limiting rod; 41. a scratch-resistant member; 5. a second fixing bar; 6. fastening sleeves; 7. a locking member; 8. a temperature sensor; 81. a probe; 9. a wire; 10. a plant organ; 11. branches; 12. a living plant; 13. a heat preservation box; 14. a communication module; 15. and a data analysis module.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a non-isolated plant organ supercooling point measuring apparatus according to the present invention will now be described. The non-isolated plant organ supercooling point determinator comprises a temperature sensor 8, a communication module 14, a data analysis module 15 and a power supply module (not shown in the figure). The temperature sensor 8 is arranged on a plant 12 of a living plant, namely, the plant is arranged on a naturally growing plant, the temperature sensor 8 is connected with a plant organ 10 and used for detecting the temperature of the plant organ 10, and the temperature sensor 8 is connected with a data acquisition unit through a lead 9. The communication module 14 comprises a signal transmitting part and a signal receiving part, the signal transmitting part is electrically connected with a data collector on the temperature sensor, the signal receiving part is electrically connected with the data analysis module 15, and the temperature data collected by the temperature sensor 8 is sent to the data analysis module 15 through the communication module 14. The data analysis module 15 is used to store and analyze temperature data, facilitating observation of the temperature of the plant organ 10. The power supply module supplies power to the communication module 14 and the data analysis module 15 respectively.
In the area where the ambient temperature is suitable for measuring the plant supercooling point, such as the family area in the north of the river, a suitable living plant 12 is selected, the temperature sensor 8 is arranged on the plant living plant 12 and connected to the plant organ 10, the signal transmitting part in the communication module 14 and the part of the power supply module for supplying power to the signal transmitting part are arranged on the plant branch or directly arranged on the ground, and the signal receiving part in the communication module 14, the data analysis module 15 and the part of the power supply module for supplying power to the data analysis module 15 and the signal receiving part are arranged indoors. When the environmental temperature changes, the temperature of the plant organ 10 changes along with the change, and the temperature of the plant organ 10 is transmitted to the data analysis module 15 through the communication module 14 in real time to be stored and analyzed, and the supercooling point of the plant organ 10 can be judged by observing the temperature data of the plant organ 10 analyzed by the data analysis module 15.
Compared with the prior art, the non-isolated plant organ supercooling point tester provided by the invention has the advantages that the temperature sensor 8 is arranged on the plant living plant 12 growing in the natural environment and is connected with the plant organ 10, the plant organ 10 of the plant living plant 12 is directly influenced by the external temperature to generate temperature change, the measured temperature of the plant organ 10 is transmitted to the data analysis module 15 through the communication module 14 to be stored and analyzed, the temperature change and the supercooling point of the plant organ 10 in the real external environment can be intuitively known through the analysis of the data analysis module 15, and compared with the experimental data measured in an isolated mode, the measured plant organ 10 supercooling point has high reliability and no deviation and can be used as the real supercooling point of the plant organ 10.
The supercooling points of the plant organs 10 measured by the method are mainly the supercooling points of the ovaries during the flowering of the fruit trees and the supercooling points of the fruited young fruits, and the fruit trees can be directly harvested because the largest influence of the freezing injury of the fruit trees is the ovaries in the flowering period and the fruited young fruits. When the supercooling point is measured, the temperature sensor 8 adopts a thermocouple type temperature sensor 8, and a thermocouple probe is directly contacted with the ovary of the flower or the young fruit to detect the temperature of the living organ.
The data analysis module 15 is a computer, and the computer receives the temperature signal through the communication module 14 and converts the temperature signal into a curve graph, so that the temperature of the plant organ 10 is reduced under a low temperature condition, and the temperature of the plant organ 10 is instantaneously released after being reduced to a supercooling point, therefore, the temperature curve analyzed by the computer slightly rises, and the supercooling point of the plant organ 10 can be obtained by observing the temperature curve.
In a specific embodiment of the non-isolated plant organ supercooling point measuring instrument provided by the invention, in order to reduce the measurement error, a multi-point measurement mode is adopted, a plurality of temperature sensors 8 are distributed on a plant living plant 12, and the temperature sensors 8 are distributed at different positions on the plant living plant 12, for example, a fruit tree, and the temperature sensors 8 are distributed on plant organs 10 on different branches 11 of the fruit tree. The temperature of the plant organs 10 collected by the temperature sensors 8 is transmitted to the data analysis module 15 through the communication module 14, the data analysis module 15 analyzes the temperature change of each plant organ 10 independently and generates a plurality of temperature change curves, and the supercooling point of the plant organ 10 is judged according to the plurality of temperature change curves, so that the error caused by single measurement is avoided.
As a specific implementation manner of the embodiment of the present invention, in order to measure the temperature of the plant organ 10 more accurately, the temperature sensor 8 is provided with a probe 81, and the probe 81 is in a needle shape and is directly inserted into the interior of the plant organ 10 such as an ovary or a young fruit, so as to reduce the influence of the external temperature on the temperature measurement.
The low temperature environment in the natural environment often causes the probe 81 of the temperature sensor 8 to be detached from the plant organ 10 along with weather such as strong wind, rain, snow and the like, and as a specific implementation of the embodiment of the present invention, referring to fig. 2 to 5, the present invention further includes a fixing device for preventing the plant organ 10 from being detached from the probe 81.
Specifically, referring to fig. 2, the fixing device comprises a first fixing rod 1 and a second fixing rod 5, one end of the first fixing rod 1 is clamped on a plant branch 11 through a fixing clamp 2, and the other end is provided with a first fastening mechanism matched with a plant organ 10. One end of the second fixing rod 5 is fixedly connected with the first fixing rod 1, and the other end is provided with a second fastening mechanism matched with the probe 81.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 2 and 4, the first fastening mechanism includes a fastening spherical shell 3 and a limiting rod 4, an accommodating cavity for accommodating a plant organ 10 is disposed inside the fastening spherical shell 3, and a vent hole is disposed on a side wall of the fastening spherical shell 3 to ensure that an internal environment of the fastening spherical shell 3 is the same as an external environment.
Specifically, fastening spherical shell 3 is netted ball to netted ball divide into first hemisphere shell 31 and second hemisphere shell 32, first hemisphere shell 31 is connected with first dead lever 1, second hemisphere shell 32 can separate with first hemisphere shell 31, when cooperating with plant organ 10, with two hemisphere shell separations of netted ball, place plant organ 10 in the inside of one of them hemisphere shell, again with two hemisphere shell locks and connect, two hemisphere shells can be connected through the mode of couple, also can connect through tying up the silk.
The plant organ 10 is the ovary of the flowering phase and the young fruit of the fruiting phase of the fruit tree, because the size of the ovary or the young fruit on the fruit tree is different, the accommodating cavity in the fastening spherical shell 3 can accommodate all the ovaries and the young fruit, the diameter of the accommodating cavity is larger than the maximum size of the ovary or the young fruit, and the ovary and the young fruit can shake after being placed in the accommodating cavity.
In order to guarantee that fastening spherical shell 3 is fixed to plant organ 10, set up a plurality of gag lever posts 4 on fastening spherical shell 3, gag lever post 4 radially runs through the lateral wall of fastening spherical shell 3 along fastening spherical shell 3, the lateral wall of fastening spherical shell 3 is equipped with the arc 33 of being connected with gag lever post 4, set up the screw hole on the arc 33, the outer wall of gag lever post 4 be equipped with screw hole assorted external screw thread, through pivoting gag lever post 4, the radial movement of fastening spherical shell 3 can be followed to gag lever post 4.
The gag lever post 4 distributes in the different directions of fastening spherical shell 3, and plant organ 10 arranges the intracavity that holds of fastening spherical shell 3 in, and gag lever post 4 supports plant organ 10 from different directions, fixes plant organ 10 in the inside of fastening spherical shell 3.
Referring to fig. 2 and 4, as a specific implementation manner of the embodiment of the present invention, one end of the limiting rod 4 abutting against the plant organ 10 is provided with a scratch-proof member 41 made of a rubber material, so as to prevent the plant organ 10 from being scratched and play a role in protection.
Referring to fig. 2 and 5, as a specific implementation manner of the embodiment of the present invention, the second fastening mechanism includes a fastening sleeve 6 and a locking member 7, an outer wall of the fastening sleeve 6 is fixedly connected with the second fixing rod 5, and the fastening sleeve 6, the second fixing rod 5, the fastening spherical shell 3 and the first fixing rod 1 are connected as a whole. The temperature sensor 8 is of a thermocouple type, and after a thermocouple probe axially penetrates through the inner part of the fastening sleeve 6, a probe 81 at the end part of the thermocouple probe is inserted into the plant organ 10. The lateral wall of adapter sleeve 6 is equipped with the screw hole, installs retaining member 7 in the screw hole, and retaining member 7 is the threaded rod, and through rotatory threaded rod, the tip of threaded rod withstands thermocouple probe, fixes thermocouple probe in adapter sleeve 6.
Fixing device fixes plant organ 10 and temperature sensor 8 on branch 11, and under the strong wind weather condition, branch 11 rocks and drives plant organ 10 and temperature sensor 8 and rocks together, and keeps fixed between plant organ 10 and the temperature sensor 8, can not take place relative displacement, prevents that temperature sensor 8 from breaking away from plant organ 10.
It should be noted that the first fixing rod 1, the second fixing rod 5, the first fastening mechanism and the second fastening mechanism are made of plastic materials with relatively light materials, so that the burden of the plant branches 11 is reduced, and the plant branches 11 are prevented from being deformed under pressure.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, a signal transmitting part in a communication module 14 and a part of a power supply module for supplying power to a data acquisition module and a signal transmitting part are placed in an incubator 13, so as to prevent the modules from malfunctioning in a low temperature environment.
As a specific implementation manner of the embodiment of the present invention, a waterproof mechanism is disposed outside the thermal insulation box 13, so as to prevent short circuit caused by water wetting of the charged modules in rainy and snowy weather.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. Non-isolated formula plant organ point of supercooling apparatus, its characterized in that includes:
the temperature sensor is arranged on a plant living body plant and connected with a plant organ to detect the temperature of the plant organ, and a probe inserted into the plant organ is arranged on the temperature sensor;
the communication module is electrically connected with the temperature sensor and is used for transmitting temperature data detected by the temperature sensor;
the data analysis module is connected with the temperature sensor through the communication module and used for storing and analyzing temperature data;
the power supply module is electrically connected with the communication module and the data analysis module respectively;
further comprising a fixture for preventing separation of the probe from the plant organ, the fixture comprising:
one end of the first fixing rod is used for fixing on the plant branches, and the other end of the first fixing rod is provided with a first fastening mechanism used for being matched with plant organs;
a second fixing rod, one end of which is connected with the first fixing rod, and the other end of which is provided with a second fastening mechanism matched with the probe:
the first fastening mechanism includes:
the fastening spherical shell is internally provided with an accommodating cavity for accommodating plant organs, and the side wall of the fastening spherical shell is provided with air holes;
the limiting rod penetrates through the side wall of the fastening spherical shell along the radial direction of the fastening spherical shell, the outer wall of the limiting rod is connected with the side wall of the fastening spherical shell through a first thread structure, and an anti-scratch piece for protecting plant organs is arranged at the end part of the limiting rod;
the second fastening mechanism includes:
the fastening sleeve is arranged along the radial direction of the fastening spherical shell, the outer wall of the fastening sleeve is fixedly connected with the second fixing rod, and the inner wall of the fastening sleeve is tightly contacted with the outer wall of the probe;
the retaining member runs through the lateral wall setting of adapter sleeve, and with the lateral wall of adapter sleeve passes through second helicitic texture and connects.
2. The apparatus according to claim 1, wherein the plurality of temperature sensors are arranged at different positions of the living plant to detect the temperature of the plant organ at different positions on the living plant.
3. The non-isolated plant organ supercooling point tester of any one of claims 1-2, further comprising an incubator for housing the communication module and the power module.
4. The apparatus according to claim 3, wherein the outer wall of said thermal container is provided with a waterproof structure.
CN202010058617.4A 2020-01-19 2020-01-19 Non-isolated plant organ supercooling point tester Active CN111257364B (en)

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CN111257364B true CN111257364B (en) 2022-03-29

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003116355A (en) * 2001-10-11 2003-04-22 Sanmei Electric Co Ltd Plant culturing container
CN202836616U (en) * 2012-08-29 2013-03-27 江西萍乡供电公司 Rural power grid on-line monitoring device
CN103175859A (en) * 2013-03-20 2013-06-26 河南科技大学 Method for discriminating cold resistance of peony tissue
CN104155346A (en) * 2014-08-18 2014-11-19 江苏大学 Method for testing critical freeze damage temperature of plant, and system thereof
CN105107555A (en) * 2015-07-16 2015-12-02 江苏大学 Plant leaf surface frosting apparatus and method thereof
CN105606664A (en) * 2016-03-15 2016-05-25 江苏大学 Plant critical freezing injury temperature detector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003116355A (en) * 2001-10-11 2003-04-22 Sanmei Electric Co Ltd Plant culturing container
CN202836616U (en) * 2012-08-29 2013-03-27 江西萍乡供电公司 Rural power grid on-line monitoring device
CN103175859A (en) * 2013-03-20 2013-06-26 河南科技大学 Method for discriminating cold resistance of peony tissue
CN104155346A (en) * 2014-08-18 2014-11-19 江苏大学 Method for testing critical freeze damage temperature of plant, and system thereof
CN105107555A (en) * 2015-07-16 2015-12-02 江苏大学 Plant leaf surface frosting apparatus and method thereof
CN105606664A (en) * 2016-03-15 2016-05-25 江苏大学 Plant critical freezing injury temperature detector

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