CN112051871A - In-situ control device for temperature of soil for field plant growth - Google Patents
In-situ control device for temperature of soil for field plant growth Download PDFInfo
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- CN112051871A CN112051871A CN202010895310.XA CN202010895310A CN112051871A CN 112051871 A CN112051871 A CN 112051871A CN 202010895310 A CN202010895310 A CN 202010895310A CN 112051871 A CN112051871 A CN 112051871A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention discloses a field plant growth soil temperature in-situ control device, which comprises an outer cylinder, an inner cylinder, a monitoring component, a temperature control component and a control unit, wherein the outer cylinder is arranged on the inner cylinder; the inner cylinder is arranged in the outer cylinder, an annular cavity is formed between the inner cylinder and the outer cylinder, the annular cavity is isolated from the inner cavity of the inner cylinder, and heat can be freely transferred between the annular cavity and the inner cavity of the inner cylinder; the inner cylinder is at least used for accommodating an undisturbed soil body; the temperature control assembly is at least used for adjusting the temperature in the annular cavity; the monitoring component is at least for monitoring a combination of one or more of the following information: the temperature, humidity, salinity, surface carbon dioxide concentration of the undisturbed soil, and images of plants planted in the undisturbed soil; the monitoring component and the temperature control component are respectively connected with the control unit. The temperature in the annular cavity can be adjusted and controlled, so that the temperature, the humidity and the like of an undisturbed soil body in the inner cavity of the inner barrel can be changed.
Description
Technical Field
The invention particularly relates to an in-situ control device for the temperature of soil for the growth of field plants.
Background
The change of the regional environment temperature caused by global change has profound influence on the plant growth and community structure change of the fragile and sensitive regions.
In Tibet plateau areas, temperature is a major factor affecting plant growth. The influence of temperature to vegetation is mainly observed through artificial regulation and control air temperature to current temperature regulating device, but such mode exists and destroys and artificial interference to the growing environment of vegetation, and the temperature also can't realize accurate control in fact moreover, and then can't satisfy the demand of actual scientific research.
Disclosure of Invention
The invention mainly aims to provide an in-situ control device for the temperature of soil for field plant growth, which overcomes the defects in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention comprises the following steps:
the embodiment of the invention provides a field plant growth soil temperature in-situ control device, which comprises an outer cylinder, an inner cylinder, a monitoring component, a temperature control component and a control unit, wherein the outer cylinder is arranged on the inner cylinder;
the inner cylinder is arranged in the outer cylinder, an annular cavity is formed between the inner cylinder and the outer cylinder, the annular cavity is isolated from the inner cavity of the inner cylinder, and heat can be freely transferred between the annular cavity and the inner cavity of the inner cylinder; the inner cylinder is at least used for accommodating an undisturbed soil body;
the temperature control assembly is at least used for adjusting the temperature in the annular cavity; the monitoring component is at least for monitoring a combination of one or more of the following information: the temperature, humidity, salinity, surface carbon dioxide concentration of the undisturbed soil, and images of plants planted in the undisturbed soil;
the monitoring component and the temperature control component are respectively connected with the control unit.
Compared with the prior art, the temperature in the annular cavity can be adjusted and controlled, so that the temperature, the humidity and the like of an undisturbed soil body in the inner cavity of the inner barrel can be changed, the temperature, the soil water content and the carbon dioxide concentration on the surface layer of the soil of a plant growing soil environment can be continuously measured, and the climate, transpiration and growth rhythm change of plants in the device can be continuously measured, so that reliable information support is provided for the research of the growth conditions of field plants.
Drawings
FIG. 1 is a schematic structural diagram of an in-situ control device for field plant growth soil temperature according to an exemplary embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an in-situ field plant growth soil temperature control device according to an exemplary embodiment of the present invention;
fig. 3 is a schematic view of the inner tube of a container in an exemplary embodiment of the invention;
FIG. 4 is a schematic diagram of a container inner cartridge in accordance with an exemplary embodiment of the present invention;
fig. 5 is a schematic top and bottom isometric view of an inner barrel according to an exemplary embodiment of the present invention.
Detailed Description
In view of the deficiencies in the prior art, the inventors of the present invention have made extensive studies and extensive practices to provide technical solutions of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.
The embodiment of the invention provides a field plant growth soil temperature in-situ control device, which can simulate the influence of climate change on soil temperature, regulate and control the growth process of plants, and simultaneously determine the water evaporation and soil leakage change of the plants, thereby realizing the growth monitoring and analysis of the field plants.
The embodiment of the invention provides a field plant growth soil temperature in-situ control device, which comprises an outer cylinder, an inner cylinder, a monitoring component, a temperature control component and a control unit, wherein the outer cylinder is arranged on the inner cylinder;
the inner cylinder is arranged in the outer cylinder, an annular cavity is formed between the inner cylinder and the outer cylinder, the annular cavity is isolated from the inner cavity of the inner cylinder, and heat can be freely transferred between the annular cavity and the inner cavity of the inner cylinder; the inner cylinder is at least used for accommodating an undisturbed soil body;
the temperature control assembly is at least used for adjusting the temperature in the annular cavity; the monitoring component is at least for monitoring a combination of one or more of the following information: the temperature, humidity, salinity, surface carbon dioxide concentration of the undisturbed soil, and images of plants planted in the undisturbed soil;
the monitoring component and the temperature control component are respectively connected with the control unit.
Further, the monitoring component includes a combination of one or more of a temperature sensor, a humidity sensor, a salinity sensor, a carbon dioxide sensor, a phenolics camera.
Further, at least one sensor loading probe is arranged in the inner cavity of the inner barrel, and one or more of the temperature sensor, the humidity sensor and the salinity sensor are arranged on the sensor loading probe.
Further, the sensor loading probe is fixedly arranged on the inner wall of the inner cylinder, for example, the sensor loading probe is fixed on the inner wall of the inner cylinder in a threaded connection manner.
Furthermore, the temperature sensor, the humidity sensor and the salinity sensor are integrally arranged.
Further, the carbon dioxide sensor is arranged at an opening at the top of the inner cavity of the inner barrel;
further, the object camera is arranged outside the inner barrel.
Furthermore, the temperature control assembly comprises a heating mechanism and a heat dissipation mechanism, and the heating mechanism and the heat dissipation mechanism are arranged in the annular cavity.
Further, the heating mechanism comprises at least one semiconductor heating sheet.
Furthermore, the semiconductor heating sheet is fixedly arranged on the outer wall of the inner barrel.
Further, the heat dissipation mechanism comprises at least one heat dissipation fin and at least one group of ventilation fans, and the air in the annular cavity and the outside atmosphere circulate through the ventilation fans.
Further, the radiating fins are fixedly arranged on the outer wall of the inner barrel.
Furthermore, a plurality of helical blade groups are distributed in the annular cavity at intervals, each helical blade group comprises a first helical blade and a second helical blade which are matched with each other, a flow guide channel is formed between each first helical blade and each second helical blade, and the flow guide channel extends from the top end of the inner cylinder to the bottom end of the inner cylinder along a helical line.
Further, the length of the second helical blade is smaller than the length of the first helical blade.
Furthermore, each flow guide channel is communicated with the outside atmosphere through a group of air exchange fans, and each air exchange fan comprises at least one air inlet fan and at least one air outlet fan.
Furthermore, the plurality of spiral blade groups are fixed on the outer wall of the inner cylinder.
Furthermore, a plurality of first blades and a plurality of second blades are arranged in the annular cavity at intervals, the interlayer space is divided into a plurality of first spaces which are isolated from each other by the first blades, and the first spaces are divided into more than two second spaces which are communicated with each other by the second blades.
Further, the ventilation fan includes an intake fan and an exhaust fan respectively disposed in two adjacent second spaces, so that a flow guide passage through which the gas flows is formed between the two adjacent second spaces.
Further, the first blade and the second blade are both helical blades.
Furthermore, field plant growth soil temperature in situ control device still includes the adiabatic top cap of annular, the adiabatic top cap of annular can with the sealed cooperation of annular cavity's top opening.
Further, the heat exchange fan is arranged on the annular heat-insulating top cover.
Furthermore, the in-situ control device for the temperature of the soil for the growth of the field plants further comprises a power supply module, wherein the power supply module is at least electrically connected with the monitoring assembly, the temperature control assembly and the control unit.
Further, the power module includes a solar power supply system, for example, the solar power supply system may be a solar panel, and of course, the power module may also be a lithium battery or a high-precision bridge device for supplying power.
The technical solution, the implementation process and the principle thereof will be further explained with reference to the drawings. It should be noted that the sensors, the heating plates, the cooling fins, the phenological cameras, the control mechanisms and the like adopted in the in-situ field plant growth soil temperature control device provided by the embodiment of the invention can all adopt devices known to those skilled in the art, and all of the devices can be obtained commercially.
In one exemplary embodiment of the present invention, a device for in situ control and monitoring of the temperature and humidity of a soil environment in which plants are growing is provided for continuous control and continuous measurement of plant phenology, growth variations and rhythmic changes in a growth vessel.
Referring to fig. 1-5, an in-situ soil temperature control device for field plant growth includes: the device comprises an outer barrel 1, an inner barrel 2, a monitoring component, a temperature control component and a control unit 11;
the inner cylinder 2 is arranged in the outer cylinder 1, an annular cavity is formed between the inner cylinder 2 and the outer cylinder 1, the annular cavity is isolated from the inner cavity of the inner cylinder 2, but heat can be freely transferred between the annular cavity and the inner cavity of the inner cylinder 2; the inner barrel 2 is at least used for accommodating an undisturbed soil body 3;
the temperature control assembly is at least used for adjusting the temperature in the annular cavity; the monitoring component is configured to monitor at least the following information: the temperature, humidity, salinity, surface carbon dioxide concentration of the undisturbed soil 3, and images of plants planted in the undisturbed soil 3;
the monitoring component and the temperature control component are respectively connected with the control unit 11.
Specifically, the monitoring assembly comprises a plurality of temperature and humidity salinity sensors 4, at least one carbon dioxide sensor 8 and at least one phenological camera 13, wherein the temperature and humidity salinity sensors 4 are arranged inside an undisturbed soil body 3 in an inner cavity of the inner barrel 2 and can monitor the temperature, humidity and salinity of the undisturbed soil body 3, and the carbon dioxide sensor 8 is arranged at an opening at the top of the inner cavity of the inner barrel 2 or positioned on the surface layer of the undisturbed soil body 3 and can monitor the carbon dioxide concentration of the surface layer of the undisturbed soil body 3; the phenological camera 13 is disposed outside the inner cylinder 2, and can monitor the growth state of the plant by collecting the image of the plant planted in the undisturbed soil 3.
Specifically, at least one sensor loading probe 6 is further arranged in the inner cavity of the inner barrel 2, the temperature and humidity salinity sensor 4 is arranged on the sensor loading probe 6, the sensor loading probe 6 is fixedly arranged on the inner wall of the inner barrel 2 in a threaded connection mode, and the sensor loading probe 6 and the inner barrel 2 are kept in close fit to prevent soil or moisture in the inner cavity of the inner barrel 2 from entering an annular cavity between the inner barrel 2 and the outer barrel 1.
Specifically, the sensor loading probe 6 can be arranged in the inner cavity of the inner barrel 2 along the radial direction of the inner barrel 2, the position of the sensor loading probe can be located in the middle area along the axial direction of the accommodating cavity, and the temperature and humidity salinity sensor 4 can be formed by integrally arranging a temperature sensor, a humidity sensor and a salinity sensor.
Specifically, referring to fig. 1 and 5, the temperature control assembly includes a heating mechanism and a heat dissipation mechanism, and the heating mechanism 5 and the heat dissipation mechanism are disposed in the annular cavity; the heating mechanism comprises a plurality of semiconductor heating sheets 5, and the semiconductor heating sheets 5 are fixedly arranged on the outer wall of the inner barrel 2; the heat dissipation mechanism comprises at least one heat dissipation sheet and at least one group of ventilation fans 9, the air in the annular cavity and the outside atmosphere circulate through the ventilation fans 9, and the heat dissipation sheet is fixedly arranged on the outer wall of the inner barrel 2.
Specifically, referring to fig. 1, fig. 2 and fig. 4, a plurality of spiral blade sets 7 are distributed in the annular cavity at intervals, each spiral blade set 7 includes a first spiral blade and a second spiral blade which are matched with each other, a flow guide channel is formed between the first spiral blade and the second spiral blade, and the flow guide channel extends from the top end of the inner cylinder to the bottom end of the inner cylinder along a spiral line.
Specifically, a plurality of first blades 21 and a plurality of second blades 22 are arranged in the annular cavity at intervals, the first blades 21 and the second blades 22 extend from the top end of the inner cylinder 2 to the bottom end of the inner cylinder, and the length of the first blades 21 is greater than that of the second blades 22, so that the plurality of first blades 21 divide the interlayer space into a plurality of first spaces isolated from each other, the second blades 22 divide the first spaces into more than two second spaces communicated with each other, and the ventilating fan 9 comprises an air inlet fan and an air outlet fan which are respectively arranged in two adjacent second spaces, so that a flow guide channel for air to flow is formed between the two adjacent second spaces.
Specifically, the first blade and the second blade are both helical blades, and the plurality of first blades 21 and the plurality of second blades 22 are fixed on the outer wall of the inner cylinder 2, and it can be understood that one first blade and one second blade adjacent to the first blade form the aforementioned helical blade group 7.
Specifically, the in-situ control device for the temperature of the field plant growth soil further comprises an annular heat insulation top cover 10, the annular heat insulation top cover 10 can be in sealing fit with the top opening part of the annular cavity, and the heat exchange fan 9 is arranged on the annular heat insulation top cover 10; specifically, the annular heat insulating top cover 10 is mainly used to prevent rainwater, soil, small animals, etc. from entering the annular cavity, and of course, the annular heat insulating top cover 10 may be opened, and the annular top cover 10 may be an aging-resistant and insulating component.
Specifically, the working condition of the temperature control assembly is set and adjusted by the control mechanism 11, for example, the temperature adjustment mechanism can simulate the temperature change of the natural environment according to a preset program through the control mechanism 11.
Specifically, please refer to fig. 1, the in-situ field plant growth soil temperature control device further includes a power module 12, the power module is at least electrically connected to the monitoring component, the temperature control component and the control unit 11 to supply power to each functional component of the in-situ field plant growth soil temperature control device, the power module 12 includes a solar power supply system, for example, the solar power supply system may be a solar panel, and of course, the power module may also be a lithium battery or a power supply high-precision bridge device.
Specifically, the control mechanism 11 may be a central servo control mechanism, and the numerical control program used by the control mechanism may be a program known to those skilled in the art; the control mechanism 11 can realize automatic acquisition and multi-path data acquisition and storage of the weather camera in addition to the operation of the programmable control device.
Specifically, the specification of the inner cylinder 2 adopted in the embodiment of the present invention may be: diameter x depth
Milling by using space aluminum 6063 with the thickness of 3 mm; the bottom of the inner barrel 2 is provided with a plurality of water discharge holes 23 so as to discharge redundant water in the inner barrel 2 and avoid water accumulation; the plurality of water discharge holes may be radially arranged and distributed, and the specification of the outer cylinder 1 may be: diameter x depth
The hollow space aluminum 7075 with the thickness of 5mm is adopted for milling and manufacturing.
According to the in-situ control device for the field plant growth soil temperature, provided by the embodiment of the invention, the temperature in the annular cavity can be adjusted and controlled, so that the temperature, the humidity and the like of an undisturbed soil body in the inner cavity of the inner barrel can be changed, the temperature, the soil water content and the carbon dioxide concentration on the surface layer of the soil of the plant growth soil environment can be continuously measured, and the climate, transpiration and growth rhythm change of the plant in the device can be continuously measured, so that reliable information support is provided for the research of the field plant growth condition.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and therefore, the protection scope of the present invention is not limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. An in-situ control device for the temperature of soil for the growth of field plants is characterized by comprising an outer cylinder (1), an inner cylinder (2), a monitoring component, a temperature control component and a control unit (11);
the inner cylinder (2) is arranged in the outer cylinder (1), an annular cavity is formed between the inner cylinder (2) and the outer cylinder (1), the annular cavity is isolated from the inner cavity of the inner cylinder (2), but heat can be freely transferred between the annular cavity and the inner cavity of the inner cylinder (2); the inner cylinder (2) is at least used for accommodating an undisturbed soil body (3);
the temperature control assembly is at least used for adjusting the temperature in the annular cavity; the monitoring component is at least for monitoring a combination of one or more of the following information: the temperature, humidity, salinity, surface carbon dioxide concentration of the undisturbed soil (3), and images of plants planted in the undisturbed soil (3);
the monitoring component and the temperature control component are respectively connected with the control unit (11).
2. The in-situ soil temperature control device for field plant growth according to claim 1, wherein: the monitoring component comprises a combination of one or more of a temperature sensor, a humidity sensor, a salinity sensor, a carbon dioxide sensor (8), a phenological camera (13);
and/or at least one sensor loading probe (6) is arranged in the inner cavity of the inner barrel (2), and one or more of the temperature sensor, the humidity sensor and the salinity sensor are arranged on the sensor loading probe (6);
and/or the sensor loading probe (6) is fixedly arranged on the inner wall of the inner barrel (2);
and/or the temperature sensor, the humidity sensor and the salinity sensor are integrally arranged;
and/or the carbon dioxide sensor (8) is arranged at the opening at the top of the inner cavity of the inner barrel (2);
and/or the object camera (13) is arranged outside the inner barrel (2).
3. The in-situ soil temperature control device for field plant growth according to claim 1, wherein: the temperature control assembly comprises a heating mechanism and a heat dissipation mechanism, and the heating mechanism and the heat dissipation mechanism are arranged in the annular cavity;
and/or, the heating mechanism comprises at least one semiconductor heating sheet; preferably, the semiconductor heating sheet is fixedly arranged on the outer wall of the inner barrel (2);
and/or the heat dissipation mechanism comprises at least one heat dissipation fin and at least one group of ventilation fans (9), and the air in the annular cavity and the outside atmosphere circulate through the ventilation fans (9); and/or the radiating fins are fixedly arranged on the outer wall of the inner barrel (2).
4. The in-situ soil temperature control device for field plant growth according to claim 3, wherein: a plurality of spiral blade groups are distributed in the annular cavity at intervals, each spiral blade group comprises a first spiral blade and a second spiral blade which are matched with each other, a flow guide channel is formed between each first spiral blade and each second spiral blade, and the flow guide channel extends from the top end of the inner cylinder to the bottom end of the inner cylinder along a spiral line;
preferably, the length of the second helical blade is smaller than the length of the first helical blade;
preferably, each diversion channel is also communicated with the outside atmosphere through a group of ventilation fans (9), and each ventilation fan (9) comprises at least one air inlet fan and at least one air outlet fan.
5. The in-situ soil temperature control device for field plant growth according to claim 4, wherein: the plurality of helical blade groups are fixed on the outer wall of the inner cylinder.
6. The in-situ soil temperature control device for field plant growth according to claim 3, wherein: a plurality of first blades and a plurality of second blades are arranged in the annular cavity at intervals, the interlayer space is divided into a plurality of isolated first spaces by the first blades, and the first spaces are divided into more than two second spaces which are communicated with each other by the second blades.
7. The in-situ soil temperature control device for field plant growth according to claim 6, wherein: the ventilation fan (9) comprises an air inlet fan and an air outlet fan which are respectively arranged in two adjacent second spaces, so that a flow guide channel for air to flow is formed between the two adjacent second spaces; preferably, the first blade and the second blade are both helical blades.
8. The in-situ soil temperature control device for field plant growth according to claim 3, wherein: the in-situ control device for the temperature of the field plant growth soil further comprises an annular heat insulation top cover (10), wherein the annular heat insulation top cover (10) can be in sealing fit with the top opening part of the annular cavity; and/or the heat exchange fan (9) is arranged on the annular heat insulation top cover (10).
9. The in-situ soil temperature control device for field plant growth according to claim 1, further comprising a power module (12), wherein the power module (12) is electrically connected with at least the monitoring component, the temperature control component and the control unit (11).
10. The in situ soil temperature control device for field plant growth of claim 9, wherein: the power module comprises a solar power supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895310.XA CN112051871A (en) | 2020-08-31 | 2020-08-31 | In-situ control device for temperature of soil for field plant growth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895310.XA CN112051871A (en) | 2020-08-31 | 2020-08-31 | In-situ control device for temperature of soil for field plant growth |
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| CN112051871A true CN112051871A (en) | 2020-12-08 |
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| CN202010895310.XA Pending CN112051871A (en) | 2020-08-31 | 2020-08-31 | In-situ control device for temperature of soil for field plant growth |
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| CN112834564A (en) * | 2021-03-02 | 2021-05-25 | 中国海洋大学 | Testing device and method for adjusting soil body temperature |
| CN115454167A (en) * | 2022-09-26 | 2022-12-09 | 中国科学院西北生态环境资源研究院 | Original state soil temperature normal position controlling means |
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Application publication date: 20201208 |