CN114200978B - Greenhouse monitoring system - Google Patents
Greenhouse monitoring system Download PDFInfo
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- CN114200978B CN114200978B CN202111529175.8A CN202111529175A CN114200978B CN 114200978 B CN114200978 B CN 114200978B CN 202111529175 A CN202111529175 A CN 202111529175A CN 114200978 B CN114200978 B CN 114200978B
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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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- 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
A system for monitoring plant growth and a greenhouse, comprising: a sensing unit 100 including a growth environment measurement sensor module 120, a camera module 130; the sensing unit 100 and the camera module 130 transmit the monitored growth environment information and the photographed image to a wireless communication module 140; the wireless communication module 140 transmits the growth environment information and the image data to the micro control unit 150 for processing; a measurement sensor module 200; for measuring the strain of the greenhouse ceiling and providing the intensity or wavelength of the reflected light from the greenhouse and providing an alarm device. The sensing unit 100 comprises an ultraviolet light sensor for providing a "flat" ultraviolet absorption peak.
Description
Technical Field
The present invention relates to a greenhouse monitoring system, and more particularly, to a system for monitoring growth of plants growing in a greenhouse, automatically setting a cultivation environment, and providing monitoring data to a portable terminal.
Background
Crops grown in greenhouses can be affected by temperature, humidity, solar radiation and atmospheric conditions, which can affect crop growth and growth rate, and thus crop size, yield, etc. Therefore, the crop yield can be predicted by environmental information such as temperature, humidity, radiation, atmospheric conditions and the like and crop growth status information, and the predicted yield can be used for predicting the price of crops and the import and export quantity of crops. The prior art uses human eyes as a method of observing crop growth and growth rate in order to more accurately estimate crop growth observations and yield from weather changes, but this method has no way to accurately measure these data from time to time.
The absorptivity of ultraviolet rays in these data is a main factor affecting crop growth, and the core component of the current existing ultraviolet detector: absorption crystals also have the problem of inconsistent absorption in certain bands, which results in inaccurate detection of ultraviolet absorption.
In addition, property damage is caused by snow, collapse of houses, etc., but there is no technology capable of properly monitoring such a situation. Existing detectors also lack house deformation optical detectors specifically for use in greenhouses. The existing pressure detector is large in size and is not suitable for installation in a greenhouse environment, for example, the installation at the top position can shield sunlight due to large size; or because the simple optical sensor is too sensitive, false alarm such as alarm can occur in the case of rain and the like. Therefore, there is a strong need to develop an optical detector which is light, flexible and convenient to install and is specially used for detecting the deformation of the greenhouse house caused by snowing.
Disclosure of Invention
The invention aims to provide a greenhouse monitoring system capable of monitoring plant growth in a greenhouse and a greenhouse ceiling. In order to solve the problems described above, the present invention provides a system for monitoring growth and greenhouse conditions. Comprising the following steps: a sensing unit 100 including a growth environment measurement sensor module 120, a camera module 130; wherein the growth environment measuring sensor module 120 in the sensing unit 100 includes a temperature/humidity sensor, a light sensor, a carbon dioxide sensor, etc. for monitoring growth environment information of plant growth in real time; the camera module 130 photographs plant or cultivation environment images to generate photographed images; the sensing unit 100 and the camera module 130 transmit the monitored growth environment information and the photographed image to a wireless communication module 140;
the wireless communication module 140 transmits the growth environment information and the image data to the micro control unit 150 for processing;
a micro control unit 150; the micro control unit 150 includes a control unit, a communication interface unit, and an environmental control unit; the communication interface unit is configured to receive information and data transmitted by the wireless communication module 140; the micro control unit 150 is configured to process the information and the data to obtain an instruction for controlling plant growth; the environment control unit performs control intervention on plant growth based on the instruction;
a measurement sensor module 200; for measuring the strain of the greenhouse ceiling and providing the intensity or wavelength of the reflected light from the greenhouse and providing an alarm device.
Preferably, the light sensor is an ultraviolet light sensor.
Preferably, the strain gauge sensor module 150 is disposed at a fixed location on the floor of the greenhouse or removably disposed at a floor location.
Another aspect of the present invention is to provide an ultraviolet light sensor, which sequentially includes a positioning and focusing module 1, a filtering module 2, a converter module 3, a photoelectric converter 4, and an electrical signal processing and indicating unit 5 in order of light path; wherein the converter module is corundum single crystal 3;
the corundum single crystal 3 comprises doping elements including chromium (Cr), titanium (Ti), manganese (Mn), copper (Cu), iron (Fe), cobalt (Co) and zinc (Zn); wherein the mass percentages of the doping elements are shown in the following table:
another aspect of the present invention is to provide a method for measuring the amount of snow deposited on the ceiling of a greenhouse, the method comprising using a measuring sensor module 200; the measuring sensor module 200 is arranged on the ground of the greenhouse and emits radiation to the ceiling, the measuring sensor module 200 receives reflected radiation of the emitted radiation after being incident on the ceiling, is used for measuring the strain of the ceiling of the greenhouse and provides an alarm device for the intensity and/or the wavelength of the reflected radiation; when the measuring sensor module 200 measures that the reflected light is less than the reference intensity, it is determined that snow is accumulated on the ceiling of the greenhouse, and the alarm device sends an alarm signal to the portable terminal.
The system also includes a deformation degree measurement sensor module that provides light to the greenhouse ceiling, and the intensity of reflected light reflected from the greenhouse ceiling is measured by the sensor module. The control unit may include an alarm unit for measuring a degree of deformation of the greenhouse ceiling using the reflected light input from the degree of deformation measuring sensor module, and may transmit an alarm to the portable terminal when the greenhouse ceiling is deformed. The alarm unit may determine that snow is accumulated on the ceiling of the greenhouse when the intensity of the reflected light is greater than the intensity of the reflected light inputted at the previous time or greater than a preset reference value. The alarm unit may measure the greenhouse ceiling and the moving distance by using the wavelength of the reflected light, and determine that snow is accumulated on the greenhouse ceiling when the distance is less than the reference distance. In a greenhouse monitoring system according to an embodiment of the invention.
The sensing unit of the present invention, if installed in a moving body, receives a plant growing environment while moving in a greenhouse, and can automatically perform an appropriate operation. In addition, the greenhouse monitoring system according to an embodiment of the present invention can remotely move the sensing unit, capture a desired plant image in real time, and provide growth image information about the desired plant.
In addition, the greenhouse monitoring system according to the embodiment of the present invention can measure the degree of deformation of the greenhouse ceiling and prevent the risk of collapse of the greenhouse by providing an alarm to the portable terminal in advance when snow is accumulated outside.
The invention resides in, but is not limited to, the following:
1) The invention comprehensively utilizes various environmental parameters in the greenhouse which can be detected in real time by various sensors, thereby guiding the control system to make corresponding decisions for guaranteeing the plant growth. Thereby being capable of timely guaranteeing the growth of plants. In addition, the growth condition of each plant strain can be monitored, so that the plants with poor growth can be screened out for subsequent treatment. The prior art usually adopts a manual mode to collect data, and the method has low efficiency and cannot be timely and effectively performed. Omission may also occur for some plants that do not grow well. The invention adopts various sensors which cover a temperature sensor, a humidity sensor, a brightness sensor, a carbon dioxide measuring sensor and the like, and also comprises an ultraviolet light sensor which is a sensor used less in temperature environment detection, wherein the ultraviolet light sensor is used together with the brightness sensor, so that the defect that the prior art only observes the influence of sunlight intensity on plant growth is overcome. Because some wave bands, especially the ultraviolet light band, have a larger influence on the growth factors of part of plants.
2) The invention is optimized for the ultraviolet light sensor. In order to obtain plant absorption spectrum data in ultraviolet light wave band, the core element of the detector is as follows: the composition of the single crystal is optimized, and the experiment shows that the ultraviolet absorption spectrum of the mixed crystal at each wavelength is relatively flat and no obvious absorption peak appears. Therefore, the ultraviolet detector prepared on the basis can meet the requirements of ultraviolet absorption spectrum detection in a greenhouse environment.
3) The sensor device for early warning the risk of the collapse of the greenhouse by the snow on the top of the greenhouse is designed according to the special environment of the greenhouse, the sensor device is smart in arrangement position, and the stress deformation of the top of the greenhouse caused by the snow on the top of the greenhouse can be monitored under the condition that lighting is not affected, so that the general safety of the greenhouse is improved. The sensor module may be used in combination with the aforementioned temperature monitoring systems, which is not a simple technical approach to stacking. For example, in conjunction with a sensor in the ultraviolet range. In winter, ultraviolet light irradiates strongly, signals of an ultraviolet light section recorded every day accumulate strongly, and the information can be fed back to a sensor for snow accumulation early warning, or the measurement is manually adjusted and accurate, or the threshold value for measuring stress alarm is automatically adjusted, so that the combined effect of the two is exerted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is apparent that the drawings in the following description are only some embodiments of the invention. Other figures may be derived from these figures without inventive effort for a person of ordinary skill in the art.
FIG. 1 shows a frame of FIG. 1 of a greenhouse monitoring system according to an embodiment of the invention;
FIG. 2 shows a frame of FIG. 2 of a greenhouse monitoring system according to an embodiment of the invention;
FIG. 3 shows the absorption spectrum of a single crystal for an ultraviolet light detector employed in the prior art;
FIG. 4 shows an absorption spectrum of a single crystal for an ultraviolet light detector employed in the present invention;
FIG. 5 shows a schematic view of the structure of an ultraviolet sensor employed in the present invention;
FIG. 6-a shows a schematic diagram 1 of a strain measurement sensor module detecting wetness ceiling snow;
fig. 6-b shows a schematic diagram 2 of the strain measurement sensor module detecting humidity ceiling snow.
Detailed Description
The technical solutions 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. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
It should be noted that the terms "comprising" and "having" and any variations thereof in the embodiments of the present invention and the accompanying drawings are intended to cover non-exclusive inclusions. A process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may alternatively include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Hereinafter, the description of the present invention with reference to the drawings is not limited to the specific embodiments, and various modifications may be applied and various embodiments may be employed. It should be understood that the following description is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the present invention.
In the following description, the terms first, second, etc. are used to describe various components and are not limited in their meaning and are used only for the purpose of distinguishing one component from another. Like reference numerals are used throughout the specification to designate like elements.
The device comprises a sensing unit 100, a growth environment measurement sensor module 120, a camera module 130, a wireless communication module 140, a micro control unit 150, a measurement sensor module 200, a control unit, a communication interface unit and an environment control unit.
Hereinafter, an embodiment of the present invention will be described in detail with reference to fig. 1-2.
As shown in fig. 1-2, the greenhouse monitoring system according to an embodiment of the present invention monitors not only the growth of plants grown in the greenhouse, but also the degree of deformation of the greenhouse ceiling. Thereby, it is possible to detect growth environment information including temperature, humidity, irradiation amount, atmospheric state and plant growth image inside the greenhouse where plants are grown, and supply it to the portable terminal. Furthermore, by monitoring the deformation of the greenhouse ceiling for plant growth, the risk of greenhouse collapse due to external weather conditions can be detected in advance. In particular, the greenhouse monitoring system may include a sensing unit 100, a control unit 200, and a portable terminal 300. The sensing unit 100 may detect growth environment information including plants in the greenhouse.
The sensing unit 100 may be mounted on a moving body and may move along a rail provided in a greenhouse. The portable terminal 300 may include a mobile terminal using a mobile communication network such as a smart phone or a mobile phone, or a mobile terminal equipped with a data communication module such as a WiFi module. The portable terminal 300 may be connected to the control unit 200 through wireless communication to receive plant growth environment information or image data in real time. Further, the portable terminal 300 may receive an alarm signal provided by the control unit 200. The control unit 200 may store data input from the sensing unit 100, and may control the greenhouse using the data. The control unit 200 may generate image data by matching a photographing position of the camera module included in the sensing unit 100 with a photographed image.
The control unit 200 receives a change of the greenhouse ceiling input from the sensing unit 100, compares the change with a pre-stored reference value, and generates an alarm when the comparison result exceeds the reference value. The control unit 200 may control the switch a, the water pump b, the fluid supplier c, etc. using the data input from the sensing unit 100. The controller 200 may control the peripheral device through a signal of opening/closing the window by the switch a. When the temperature inputted from the sensing unit 100 does not match the set temperature, the cooling/warming fan is activated. In addition, the sensing unit 100 is not matched with the set humidity when the humidity is input, and the control unit 200 may generate and operate a signal to operate the irrigation pump b. The controller 200 compares the light emission intensity of the incident light inputted from the sensing unit 100 with a preset light emission intensity to generate a signal for activating the light shielding device when the light emission intensity exceeds a set range. The control unit 200 may convert an image input from the sensing unit 100 and provide the converted image to the portable terminal 300. At this time, the control unit 200 compares the input image with the stored image to determine the state of the plant, and may provide it to the portable terminal 300. The controller 200 may be a server. As described above, the greenhouse monitoring system according to the embodiment of the present invention can automatically control the plant growing environment and can confirm the state of plants grown in the photographed image. The apparatus may include a growth environment measurement sensor module 110, a camera module 120, a wireless communication module 130, a micro control unit 140, and a strain measurement sensor module 150. Specifically, the growth environment measurement sensor module 110 may include at least one of a temperature sensor, a humidity sensor, a brightness sensor, and a carbon dioxide measurement sensor. The growth environment measuring sensor module 110 may measure temperature, humidity, solar radiation amount, carbon dioxide concentration, etc. among factors that may affect plant growth in real time, and transmit the result to the control unit 200. The temperature sensor may be a thermocouple, a temperature measuring resistor, a thermistor, a metal thermometer, or the like. The temperature sensor may be a sensor using ultrasonic waves or an optical fiber, or the like.
The humidity sensor may be a sensor for detecting humidity using various phenomena (physical/chemical phenomena) related to moisture in the air. Such as, but not limited to, sensors of resistance or capacitance change caused by absorption of porous ceramic or polymer films, such as dry hygrometers, hair hygrometers, lithium chloride hygrosensors, and the like. The light intensity sensor is a sensor that measures the amount of input light. The light intensity sensor may be a photoconductive sensor that is electrically conductive when light is incident.
Wherein the sensor may be an ultraviolet sensor and the ultraviolet sensitive sensor is a transducer, the core material of which is sensitive to ultraviolet, which may be a single crystal, in particular a doped single crystal, for light absorption in the ultraviolet range. The impurities in the single crystal may include chromium (Cr).
In the device comprising the focusing and filtering unit, the converter and the photoelectric converter to which the electric signal processing and indicating unit are connected, the converter is a corundum single crystal including chromium (Cr) as an impurity, titanium (Ti), manganese (Mn), iron (Fe), zinc (Zn) and copper (Cu), and according to the present invention, the corundum single crystal further includes cobalt (Co) as an impurity, whose elemental atoms are in mass percent as follows:
TABLE 1
| Doping element | Content (mass percent) |
| Cr | 0.017 |
| Ti | 0.032 |
| Mn | 0.006 |
| Cu | 0.006 |
| Fe | 0.010 |
| Co | 0.011 |
| Zn | 0.014 |
It can be seen from FIG. 3 that the absorption peaks from 300-400nm are not "flat", with absorption extrema occurring around 350 nm. Such single crystal crystals can present difficulties in the accuracy of the detection when preparing the detector. According to the ultraviolet absorption characteristics of the existing corundum monocrystal, the content of each element of impurities is adjusted so as to generate a flat absorption peak in an ultraviolet band, and the preparation of the monocrystal into a high-accuracy detector is facilitated. The mass percentages of the specific impurity element atoms are as follows:
TABLE 2
| Doping element | Content (mass percent) |
| Cr | 0.027 |
| Ti | 0.011 |
| Mn | 0.001 |
| Cu | 0.013 |
| Fe | 0.006 |
| Co | 0.021 |
| Zn | 0.020 |
It can be seen from fig. 4 that the absorption peaks from 300-400nm are relatively "flat" compared to the graph and that no significant absorption extremum occurs. Therefore, the doped monocrystalline crystal can generate relative average absorption value in the ultraviolet band range. This will facilitate the preparation of single crystal crystals into high accuracy detectors.
From the above characteristics, it is shown that an increase in the addition of cobalt (Co) and copper (Cu) impurities to the impurities, as well as a change in the percentage of other impurities, allows the spectral sensitivity of the receiver to be extended and improved.
The structure of the claimed ultraviolet sensor is shown in fig. 5. The device comprises a positioning focusing (1) and a filtering block (2), wherein the converter is a corundum single crystal (3), and impurities contain chromium (Cr), titanium (Ti), manganese (Mn), copper (copper), iron (Fe), cobalt (Co), zinc (Zn) and a photoelectric converter (4) which is connected with an electric signal processing and indicating unit (5). The working principle of the device is as follows. The incident radiation is directed through a focusing and filtering unit to a corundum single crystal containing the following impurities Cr, ti, mn, cu, fe, co, zn. The fluorescence emitted by the converter in the visible spectrum becomes more intense due to the broader absorption spectrum and higher intensity. This luminescence is converted into a more powerful electrical signal by a photoelectric converter. The latter is recorded by the processing unit of the electrical signal and of the indication thereof.
The carbon dioxide measuring sensor is a sensor for measuring the concentration of carbon dioxide in air. It can be determined whether the carbon dioxide measuring sensor maintains an optimal carbon dioxide concentration at which photosynthesis of plants can smoothly occur.
The camera module 120 captures a cultivation environment image. The camera module 120 may be a CCD or CMOS camera and may include an omnidirectional surveillance camera including left, right, up and down and zoom functions.
As shown in fig. 6-a, b, the strain measurement sensor module 150 measures the change in height Δx of the greenhouse ceiling. The height change is caused by the fact that the snow presses against the ceiling of the greenhouse causing a certain pressure. The strain gauge sensor module 150 may be provided in a fixed location on the floor of the greenhouse or may be removably provided in a floor location. The arrangement at this position can avoid shielding the sunlight required by plant growth. The deformation degree measuring sensor module 150 may measure the height change of the ceiling using a laser or an acoustic wave. For example, the deformation degree measuring sensor module 150 may include a sensor having a light source and a light receiving unit. The light emitted from the light source receives the light reflected from the greenhouse ceiling at the light receiving unit, and transmits the received value to the control unit 200. Here, the light source may be an LED or a short wavelength laser light source, which is installed at a bottom region of the greenhouse (see fig.), where shielding of sunlight can be minimized compared to the prior art. The photoelectric conversion element can be used as a light receiving portion. At this time, the deformation degree measuring sensor module 150 may detect the wavelength or intensity of the reflected light to measure the deformation degree Δx of the greenhouse ceiling (as shown in fig. 6-b), and transmit the detected wavelength or intensity to the control unit 200. Here, the deformation degree measuring sensor module 150 may periodically measure the deformation degree of the ceiling at predetermined time intervals, transmit the deformation degree to the micro control unit 140, or receive a remote signal transmitted from the portable terminal 300.
In particular, as shown in FIG. 6-a: the deformation degree measuring sensor module 150 may be provided with at least two light sources and light receiving units to measure the degree of deformation of both sides of the ceiling of the greenhouse. The deformation degree measurement sensor module 150 irradiates a light source to a lower surface of a greenhouse ceiling and receives reflected light reflected from the greenhouse ceiling. At this time, when snow does not fall outside the ceiling of the greenhouse, the intensity of the reflected light has a small value. In contrast, when snow falls on the greenhouse ceiling, the intensity of the reflected light is greater than when snow does not fall on the greenhouse ceiling. The intensity of the reflected light thus measured is transmitted to the controller 200. Furthermore, the wavelength of the reflected light reflected from the greenhouse ceiling is measured and transmitted to the control unit 200. When the greenhouse ceiling part is deformed, the wavelength of the reflected light is measured and transmitted to the control unit 200. The micro control unit 140 refers to a control backbone for controlling a specific processor of a specific system and serving as a sensing unit. More specifically, a function for processing or modifying various information input through the growth environment measurement sensor module 110. The micro control unit 140 generates image data by combining the photographing position of the camera module 120 and the photographed image. At this time, the photographing position of the camera module 120 may be an identification sensor, wifi, bluetooth, etc. mounted on a track in the greenhouse. It should be appreciated that the ultraviolet light sensor of the present invention may also be used in this regard, as a supplement to the deformation level measuring sensor module 150, for monitoring ultraviolet light changes, and thus may also assist in obtaining snow levels from the greenhouse ceiling.
The sensing unit 100 includes a wireless communication module 130 that wirelessly transmits growing environment information or image data to the controller 200. The wireless communication module 130 includes a Wifi communication module, but is not necessarily limited thereto. The sensing unit 100 according to an embodiment of the present invention is mounted on the moving body 430. That is, the sensor module 110, the camera module 120, the micro control unit 140, or the wireless communication module 130 may be mounted on a moving body. The moving body may be installed to move along a rail installed in the moving body. The guide rail may be an I-shaped long frame or the like, and serves as a moving path of the moving body. At least one rail may be provided in the longitudinal direction of the greenhouse, or there may be a plurality of rails.
The control unit 200 may include a communication interface unit, an environment control unit, an image data processing unit, a storage unit, and an alarm unit. Specifically, the communication interface receives the growing environment information and the image data information transmitted from the sensing unit 100 in real time. Wired communication is possible, but wireless communication is preferably used. A detailed description of wireless communication will be omitted. The environment control unit 200 generates a control signal for controlling temperature, humidity, incident light intensity, or carbon dioxide concentration by using the growth environment information sensed by the sensor.
The sensor module 110 transmits a control signal to each device. The environmental control unit 220 generates signals for controlling the switch a, the irrigation pump b, the fluid pipe c, etc., which are connected to the control unit 200. For example, if the temperature does not match the preset in terms of temperature, the peripheral device is controlled by a switch (a) to open/close the window or by generating a signal to activate the cold/warm fan. In addition, even when the humidity does not match, a signal for operating the irrigation pump b is generated and activated, or automatic control of a signal for activating the light shielding film is generated when the incident light intensity exceeds a set range. It is possible. The image data processing unit 230 determines plants in which growth abnormality has occurred. When plants grow abnormally, the color of the leaf surface changes or changes. In addition, visually identifiable anomalies may occur, such as abrupt changes in leaf shape or shrinkage. The image data processing unit compares the accumulated image data with image data generated by the current photographing to determine whether the shape of the leaf suddenly changes through various algorithms.
In order to allow a case of a change such as a state improvement to be photographed in more detail, the image data processing unit controls the camera module 120 in the sensing unit 100 to selectively zoom in and out of the image photographed picture. Meanwhile, the movement of the moving object on which the camera module 120 is mounted may be controlled by the image data processing unit. The storage unit stores information about temperature, humidity, light intensity, or input carbon dioxide concentration. And a user, and stores image data. When cultivating plants, an optimal temperature, humidity, light intensity or carbon dioxide concentration for cultivation is input and stored in the storage unit. The growth environment information input from the sensing unit 100 in real time is transmitted to the control unit 200. The control unit 200 determines whether the growth environment information is within the optimal temperature, humidity, light intensity or carbon dioxide concentration range stored in the storage unit. The image data stored in the storage unit is stored in the image data processing unit to be used as reference data for searching for plants exhibiting an abnormal growth pattern. In addition, the storage unit may store deformation information of the ceiling collected by the deformation degree measurement sensor module 150. The alarm unit may calculate the degree of deformation of the greenhouse ceiling using the signal input from the degree of deformation measuring sensor module.
At this time, when the intensity of the reflected light is greater than the reference value, the alarm unit determines that snow is accumulated. Thereafter, the distance between the moving body and the ceiling of the greenhouse may be calculated using the light wavelength inputted from the deformation degree measurement sensor module 150. At this time, the alarm unit compares the reference distance value between the moving body and the moving body. The degree of deformation was measured on the greenhouse ceiling. At this time, the reference distance value is stored in the storage unit, and the reference distance value may be a distance value using the wavelength of light received on a. A clear day or a distance value using a previously received wavelength of light.
When the measured distance value is smaller than the reference distance value, the alarm unit recognizes that deformation occurs, and may transmit an alarm signal to the portable terminal 300. Meanwhile, the alarm unit generates an alarm signal as described above, and thus the alarm unit can recognize the operation of the light shielding film in the portable terminal 300, and can simultaneously transmit a signal. As described above, in the greenhouse monitoring system according to the embodiment of the present invention, the sensing unit is installed in the moving body, and appropriate operations can be automatically performed when the receiving plant growing environment moves in the greenhouse. In addition, the greenhouse monitoring system according to an embodiment of the present invention can remotely move the sensing unit, capture desired plants in real time, and provide information about the desired plants. In addition, the greenhouse monitoring system according to the embodiment of the present invention can measure the degree of deformation of the greenhouse ceiling and prevent the risk of collapse of the greenhouse by providing an alarm to the portable terminal in advance when snow is accumulated outside.
The device embodiment corresponds to the method embodiment, and has the same technical effects as the method embodiment, and the specific description refers to the method embodiment. The apparatus embodiments are based on the method embodiments, and specific descriptions may be referred to in the method embodiment section, which is not repeated herein.
Those of ordinary skill in the art will appreciate that: the drawing is a schematic diagram of one embodiment and the modules or flows in the drawing are not necessarily required to practice the invention.
Those of ordinary skill in the art will appreciate that: the modules in the apparatus of the embodiments may be distributed in the apparatus of the embodiments according to the description of the embodiments, or may be located in one or more apparatuses different from the present embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or may be further split into a plurality of sub-modules.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A greenhouse system for monitoring plant growth, comprising: a sensing unit (100) comprising a growth environment measurement sensor module (120), a camera module (130);
wherein the growth environment measurement sensor module (120) in the sensing unit (100) comprises a temperature/humidity sensor, a light sensor and/or a carbon dioxide sensor for monitoring growth environment information of plant growth in real time;
-the camera module (130) capturing a plant environment image to generate a captured image;
the sensing unit (100) and the camera module (130) transmit the monitored growth environment information and the photographed image to a wireless communication module (140); the wireless communication module (140) transmits the growth environment information and the photographed image data to a micro control unit (150) for processing;
the micro control unit (150) comprises a control unit, a communication interface unit and an environment control unit; the communication interface unit is used for receiving the information and data transmitted by the wireless communication module (140); the micro control unit (150) is used for processing the information and the data to obtain an instruction for controlling plant growth;
the environment control unit performs control intervention on plant growth based on the instruction;
a measuring sensor module (200) arranged on the greenhouse floor and emitting radiation towards the ceiling, the measuring sensor module (200) receiving reflected light of said emitted radiation after incidence on the ceiling for measuring the strain of said greenhouse ceiling; an alarm device providing the intensity and/or wavelength of the reflected radiation; when snow falls on the greenhouse ceiling, the intensity of the reflected light is greater than when snow does not fall on the greenhouse ceiling; the measuring sensor module (200) is used in conjunction with a monitoring unit of a greenhouse system; the ultraviolet light irradiates strongly in winter, the accumulated light intensity of signals of the ultraviolet light section every day is recorded, and the accumulated light intensity is fed back to the measuring sensor module for snow accumulation early warning, and the threshold value for measuring stress alarm is automatically adjusted.
2. The system of claim 1, wherein the light sensor is an ultraviolet light sensor; the ultraviolet light sensor sequentially comprises a positioning focusing module (1), a filtering module (2), a converter module (3), a photoelectric converter (4) and an electric signal processing and indicating unit (5) according to the light path sequence; wherein the converter module is a corundum single crystal; the corundum single crystal comprises doping elements, wherein the doping elements comprise chromium (Cr), titanium (Ti), manganese (Mn), copper (Cu), iron (Fe), cobalt (Co) and zinc (Zn).
3. The system according to any of claims 1-2, wherein the measuring sensor module (200) is arranged in a fixed position on the floor of the greenhouse or is detachably arranged in a floor position.
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