KR101731833B1 - Plant sensor using internet of thing - Google Patents

Plant sensor using internet of thing Download PDF

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Publication number
KR101731833B1
KR101731833B1 KR1020150084184A KR20150084184A KR101731833B1 KR 101731833 B1 KR101731833 B1 KR 101731833B1 KR 1020150084184 A KR1020150084184 A KR 1020150084184A KR 20150084184 A KR20150084184 A KR 20150084184A KR 101731833 B1 KR101731833 B1 KR 101731833B1
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sensor
layer
plant
disposed
illuminance
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KR1020150084184A
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Korean (ko)
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KR20160147437A (en
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백경훈
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주식회사 엔씽
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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
    • 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
    • G01D7/00—Indicating measured values
    • G01D7/02—Indicating value of two or more variables simultaneously
    • G01D7/04—Indicating value of two or more variables simultaneously using a separate indicating element for each variable
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Signal Processing (AREA)
  • Medical Informatics (AREA)
  • Computing Systems (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Cultivation Of Plants (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Greenhouses (AREA)

Abstract

According to an aspect of the present invention, a plant sensor utilizing the Internet includes a first layer in which an illuminance sensor is disposed, a second layer in contact with the first layer and disposed with a temperature sensor, And a third layer in which a humidity sensor is disposed, wherein the illuminance sensor, the temperature sensor, and the humidity sensor are sequentially arranged from top to bottom.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

[0001] The present invention relates to a plant sensor, and more particularly, to a plant sensor using an object Internet including a light intensity sensor, a temperature sensor and a humidity sensor.

Until now, plant cultivation has been a general cultivation method by planting seeds in soil, supplying fertilizer and water, and growing by photosynthesis inside the plant by sunlight.

However, the above-mentioned cultivation method is one of the problems that costs are incurred because the production is affected by climate or weather or fertilizer or pesticide is used, and the pollution problem by pesticide can not be denied. Therefore, recently, a plant plant-type cultivation method and a hydroponic cultivation method using fluorescent lamps, metal halide lamps, LEDs and the like have been introduced as a light source to replace the sunlight.

However, such a cultivation method not only focuses on the fact that the growth of plants is accomplished by photosynthesis, but also controls the wavelength and light intensity of light required for photosynthesis, thereby promoting the growth of plants and smoothly controlling the temperature according to humidity and temperature I could not.

In addition, actual growers simply recorded their own methods of cultivation, and they could not share the cultivation methods with other people.

Furthermore, conventionally, the cultivation environment and the cultivation method are automatically implemented, and accordingly, there is no automatic cultivation method in which plants grow and lose fruit.

[Prior Art Literature]

Korean Patent No. 10-1036598 (2011. 05. 17. 2011)

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above problems occurring in the prior art, and it is an object of the present invention to provide a plant sensor utilizing the Internet for analyzing the environment of a plant and delivering it to a grower in real time.

In addition, the present invention provides a plant sensor utilizing the Internet, which is capable of cultivating plants automatically using the Internet of things.

According to an aspect of the present invention, a plant sensor utilizing the Internet includes a first layer in which an illuminance sensor is disposed, a second layer in contact with the first layer and disposed with a temperature sensor, And a third layer in which a humidity sensor is disposed, wherein the illuminance sensor, the temperature sensor, and the humidity sensor are sequentially arranged from top to bottom.

At this time, the third layer may be extended while the second layer is narrowed, and the humidity sensor may be formed of two pairs of modules inside the third layer, and may be disposed along the extending direction.

A communication unit may be disposed above the temperature sensor in the second layer, and a power unit may be disposed under the temperature sensor.

The illuminance sensor of the first layer and the communication unit of the second layer may be disposed at different heights.

An imaginary line connecting the center of the illuminance sensor and the center of gravity of the power supply unit may connect the upper outer end of the first layer and the lower outer end of the second layer.

In addition, the rear surface of the second layer may be coated to prevent contact with the outside air.

In addition, the plant sensor using the object Internet may further include a UI loading unit, and the UI loading unit may display a plurality of data layers representing illuminance, temperature, and humidity, The placed data layer can be selected.

In addition, the plant sensor using the object Internet further includes a cultivation control unit, and the UI loading unit further includes a control UI, and the user can control the cultivation control unit by selecting the control UI.

In addition, the illuminance sensor may further include a masking chamber formed at an upper portion thereof, and when the masking chamber is removed, the plant sensor may be turned on.

In addition, the illuminance sensor may detect a case in which the illuminance is maintained for a preset time equal to or less than a predetermined illuminance, and switch the plant sensor to the sleep mode.

In addition, a control unit may be formed between the communication unit and the power unit, a heat radiation pattern may be formed adjacent to the control unit, and the heat radiation pattern may be formed toward the rear side of the second layer.

In addition, a scale line may be formed on the first layer, and a photosensitive paper may be disposed on the upper surface on which the scale line is formed.

According to another aspect of the present invention, there is provided a plant sensor utilizing the Internet of objects, wherein the third layer is composed of a plurality of protrusions extending from the second layer to be narrowed, and the two pairs of modules are respectively disposed on the protrusions, They can be arranged to be narrowed along the extending direction.

The plant sensor according to the present invention can accurately monitor environmental conditions of a plant.

In addition, the present invention enables a pattern to be learned (machine-run) using automatically logged sensing information and to be notified to a user by comparing with a required environmental condition of the plant P that is separately stored in the server.

In addition, the present invention can switch the sleep mode to prevent power loss due to continuous turn-on.

Further, the present invention can remarkably improve the accuracy according to the layout design of a precise sensor.

In addition, the present invention enables a user to directly drive a cultivation control unit to control sunshine change, temperature change, or humidity change, thereby creating a more effective plant growth environment.

FIG. 1 is a schematic view of an entire system including a plant sensor utilizing the Internet of objects according to an embodiment of the present invention. Referring to FIG.
FIG. 2 is a view showing in detail a plant sensor utilizing the object Internet according to an embodiment of the present invention.
FIG. 3 is a diagram showing the external appearance of a plant sensor utilizing the Internet of objects according to an embodiment of the present invention.
FIG. 4 is a schematic view illustrating an internal configuration of a plant sensor utilizing the Internet of objects according to an embodiment of the present invention. Referring to FIG.
FIG. 5 is a photograph of a plant sensor using an object Internet according to an embodiment of the present invention.
FIG. 6 is a diagram illustrating a user interface for using a plant sensor using the object Internet according to an embodiment of the present invention.
FIG. 7 is a schematic view illustrating a plant system including a plant sensor using the Internet to control the cultivation environment of a plant according to an embodiment of the present invention. Referring to FIG.
FIG. 8 is a diagram illustrating the external appearance of a plant sensor utilizing the Internet of objects according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention can be variously modified and may have various embodiments, and specific embodiments will be described in detail with reference to the drawings. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another.

For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

FIG. 1 is a schematic view of an entire system including a plant sensor utilizing the Internet of objects according to an embodiment of the present invention. Referring to FIG.

Referring to the drawings, an overall system 1000 including a plant sensor 100 using an object Internet according to an embodiment of the present invention includes a plant sensor 100, a plant sensor 100, A router (R) or a smart phone 300 that communicates with each other, and a server 400 connected thereto.

That is, the plant sensor 100 according to an embodiment of the present invention is a object Internet technology for sensing environmental information of a plant P, and more specifically, it can sense roughness information, temperature information, and humidity information, And transmits the information to the server 400 through the router R or the smart phone 300. [ At this time, when the router R is used, the information can be transmitted in a periodic broadcasting manner.

The plant sensor 100 transmits the illumination intensity, the temperature information, and the humidity information as well as the degree of plant growth and the remaining battery power of the power source unit to the server 400 through the smartphone 300 or the router R .

Thus, the plant sensor 100 utilizing the Internet of the present invention and the entire system 1000 including the same can learn patterns (machine run) using automatically sensed sensing information, It is possible to inform the user by comparing the environmental condition of the plant P with the required environmental condition of the plant P.

More specifically, if the reference environmental condition stored in the server 400 and the illuminance, temperature, and humidity (soil) of the corresponding plant are different from the reference environmental conditions, alamming is enabled to the user through a smart phone application or the like.

As described above, the plant sensor according to an embodiment of the present invention can monitor optimized plant growth by sensing whether the plant environment of the user meets the conditions necessary for plant growth.

FIG. 2 is a view showing a plant sensor using the Internet in detail according to an embodiment of the present invention in FIG. 1 in greater detail. The plant sensor 100 includes a control unit 10, an illuminance sensor 20, a temperature sensor 30, a humidity sensor 40, a communication unit 50, and a power source unit 60.

The control unit 10 controls each sensor and performs a series of processing in which the communication unit 50 sends sensing information to the smartphone 200 or the router R. [ At this time, the communication unit 50 includes a pattern antenna. The arrangement relationship of the communication unit 50 in the plant sensor 100 will be described in detail later.

The illuminance sensor 20 is a sensor for measuring the illuminance, and the illuminance is defined as the density of a light flux (referred to as a light flux) measured based on the sensitivity of the eye. The light intensity sensor 20 includes a sensing layer of an aluminum arsenide thin film. The aluminum arsenide layer is formed by a molecular beam epitaxy (MBE) method. The aluminum arsenide layer is formed by a light- So that the illuminance can be measured. However, it is needless to say that the illuminance sensor 20 according to the embodiment of the present invention is not limited thereto.

The temperature sensor 30 has a metal wire which surrounds the frame a plurality of times, measures the resistance of the metal wire, and determines the ambient temperature using the measured resistance value. For this, the temperature sensor 30 may further include a resistance meter and a memory device. The controller 10 compares the resistance value of the metal wire currently measured with the resistance value of the metal wire stored in the memory device 122, The temperature is calculated.

The humidity sensor 40 is a sensor that detects humidity by changing the electrical characteristics of the device in response to the humidity of the outside world. The humidity sensor includes an electrolyte system, a metal system, a polymer system, and a ceramics system, and various systems have been studied. However, at present, a polymer system and a ceramics system humidity sensor are mainly used. The humidity sensor is a humidity sensor that detects the humidity by changing the element resistance value in response to the humidity of the outside world. The humidity sensor is called a resistance value change type humidity sensor. The humidity sensor detects the humidity by changing the capacitance of the element in accordance with the humidity of the outside world. Is a capacitive change type humidity sensor. However, it is obvious that the present invention is not limited to the specific humidity sensor since it is based on the property that the element resistance value or the electrostatic capacity changes by absorbing / desorbing water to / from the element. Further details of the humidity sensor according to an embodiment of the present invention will be described later.

FIG. 3 is a diagram showing the external appearance of a plant sensor utilizing the Internet of objects according to an embodiment of the present invention. The plant sensor 100 utilizing the Internet of objects according to an embodiment of the present invention includes a first layer 1, a second layer 2, and a third layer 3.

The first layer 1 is provided with an illuminance sensor 20 and the second layer 2 is provided with a temperature sensor 30 (see Fig. 4). At this time, the scale line 23 is displayed in the area excluding the illuminance sensor 23 in the first layer. The scale line allows the user to quantitatively measure the height of the plant. Further, on the light intensity sensor 20, a masking chamber 21 is formed to be adhered and formed. When the user uses the plant sensor for the first time, the user removes the masking chamber 21, and the power of the plant sensor 100 is set to be turned on in accordance with the removal of the masking chamber 21.

Meanwhile, the plant sensor according to an embodiment of the present invention may switch the plant sensor to the sleep mode when the illumination intensity is kept below a preset illuminance to prevent power loss due to continuous turn-on. For example, if the illuminance lowers late at night or after sunset, the plant sensor can be switched to sleep mode to disable periodic broadcasting of the router. However, if the plant sensor is required to be in the standby mode at the late night, the user can switch from the sleep mode to the standby mode when the illuminance sensor is touched to keep the illuminance close to zero.

The second layer (2) is formed so as to correspond to the first layer (1). The humidity sensor 40 is disposed in the third layer 3. At this time, the third layer (3) is formed by extending the second layer (2), and is formed into a sharp shape toward the bottom. Therefore, the third layer 3 is formed so as to be easily inserted into a soil such as a flowerpot.

In addition, the humidity sensor 40 is formed of two pairs of humidity modules 41 in the third layer and is formed to be close to each other along the extension direction of the third layer. At this time, the angle formed by the two pairs of humidity sensor modules 41 is 12 degrees to 43 degrees. If it is formed to be smaller than 12 degrees, the capacitance is extremely small and a separate amplifying element and filter module are required. Therefore, the cost of production is remarkably increased. When the capacitance is formed larger than 43 degrees, Is a critical angle, which is a set value.

As described above, the plant sensor 100 according to an embodiment of the present invention includes the illuminance sensor 20, the temperature sensor 30, and the humidity sensor 40, (30) and the humidity sensor (40) are sequentially arranged from the upper side to the lower side. That is, the plant sensor 100 according to the present embodiment employs a layer structure to reduce the interference between the sensors, and optimizes the placement of each sensor according to the sensing object, thereby obtaining a low cost and high efficiency object internet sensor arrangement.

On the other hand, a photosensitive paper (not shown) may be disposed on the portion where the scale line 23 of the first layer 20 is disposed. The photosensitizer is sensitized by sunlight to distinguish between shadow and shadowless areas, and it plays a role in knowing the length of the plant growth by changing the length of the shadow.

Hereinafter, a plant sensor according to an embodiment of the present invention will be described in detail. FIG. 4 is a schematic view illustrating an internal configuration of a plant sensor utilizing the Internet of objects according to an embodiment of the present invention. Referring to FIG.

The control unit 10, the temperature sensor 30, and the power source unit (not shown) are connected to the second layer 2 from above, 60 are disposed. The humidity sensor 40 is disposed on the third layer 3 extending from the second layer 2. On the other hand, the second layer (2) and the third layer (3) are coated with resin to prevent contact with the outside air.

As described above, the plant sensor 100 according to the embodiment of the present invention is characterized in that the communication unit 50 is disposed above the temperature sensor 30, and the power source unit 60 is disposed below the temperature sensor 30. [ That is, the communication unit 50 is made of a pattern antenna, and the power supply unit 60 is made of a mercury battery. The radio wave interference between the pattern antenna and the mercury battery is minimized, So that the plant sensor can be stably operated and supported.

An imaginary line A-A 'connecting the center of the illuminance sensor 20 and the center of gravity of the power supply unit 60 is connected to the upper (left) end of the first layer 1 and the imaginary line A- (Right side) end of the lower portion (lower side) In other words, in addition to the weight relationship between the communication unit 50 and the power source unit 60, the arrangement of the light intensity sensor 20 is spaced from the upper portion to the lower portion so that the center of gravity moves toward the power source unit 60.

Therefore, bending of the second layer 2 made of synthetic resin of the thin film at the portion contacting the third layer 3 is prevented. Thus, bending of the first layer 1 adhered to the second layer 2 is also prevented. As a result, the photosensitive paper formed on the first layer is not bent, and the above-described change in the growth of the plant can be accurately measured.

On the other hand, regions where the illuminance sensor 20 is disposed on the first layer 1 and regions where the communication portion 50 (more specifically, pattern antenna) is disposed on the second layer 2 are formed so as not to correspond to each other. That is, the illuminance sensor 20 is disposed at a distance from the upper end to the lower end as described above, and the communication unit 50 is disposed at the uppermost position, and is disposed at a height not corresponding to each other.

Since the second layer (or the third layer) of the plant sensor according to an embodiment of the present invention is formed by coating with a synthetic resin in the form of a thin film, the decrease in sensing yield due to radio wave interference must be considered. At this time, if the arrangement heights of the illuminance sensor 20 and the pattern antenna are overlapped or equal to each other, the metal wire included in the illuminance sensor 20 and the pattern antenna cause frequency interference (or resonance effect) Respectively. Thus, the plant sensor 100 according to the present embodiment can accurately sense the illuminance value.

On the other hand, reference numeral 70 schematically shows a heat radiation pattern. In this embodiment, the heat dissipation pattern 70 may be formed adjacent to the control unit 10. That is, the control unit 10 generates heat in comparison with a relatively different configuration, and causes an error in the temperature difference between the temperature sensor 30 adjacent to the control unit 10 due to heat generation. Accordingly, the heat dissipation pattern 70 serves as a thermal barrier between the controller 10 and the temperature sensor. Further, the heat radiation pattern 70 is formed so as to face the rear surface (R) side of the second layer 2, so that the conduction heat radiation effect is further enhanced.

FIG. 5 is a photograph of a plant sensor using an object Internet according to an embodiment of the present invention. Reference character (a) denotes the front face of the plant sensor, and reference character (b) denotes the rear face of the plant sensor. At this time, the first layer 1 having the illuminance sensor disposed on the front surface thereof is made of wood. That is, the first layer 1 is relatively larger than its thickness (reference symbol r1 in FIG. 4) or the thickness of the second layer (reference symbol r2 in FIG. 4), and the relative weight can also be formed larger. Therefore, the arrangement relationship as described in Fig. 4 has been derived.

Hereinafter, the use of the plant sensor according to an embodiment of the present invention will be described. FIG. 6 is a diagram illustrating a user interface for using a plant sensor using the Internet, according to an embodiment of the present invention. FIG. 7 is a schematic diagram illustrating an entire system including a plant sensor utilizing the Internet And controlling the cultivation environment of the plant.

The environmental information sensed by the plant sensor 100 is displayed on the smart phone 200 or the like in the form shown in FIG. At this time, the smartphone includes a UI loading unit, and the UI loading unit displays (not shown) the illuminance L, the temperature T, and the humidity H on the screen by a user's touch or the like. At this time, the UI loading unit displays a plurality of data layers indicating illuminance, temperature, and humidity. The user can select and browse data layers arranged at the top of a plurality of data layers.

That is, the plurality of data layers are composed of fixed data and variable data, the fixed data means data whose appearance is fixed, such as the appearance of the plant P and the appearance of pollen, and the variable data is data . Variable data can be a user's plant environment or a plant environment stored in another user or server. As the new cultivation environment is continually updated, the data will accumulate in the upper part so that the user can select and browse the uppermost data layer It is possible to track history of cultivation conditions by checking or browsing the data layer before that.

On the other hand, if it is determined that the user does not satisfy the desired environmental condition or the optimized environmental condition, each condition can be controlled. That is, the user selects the roughness control button l, the temperature control button t, and the humidity control button h, which are control UIs, to drive the cultivation control unit C as shown in Fig. 8, Or controlling humidity change to create a more effective plant growth environment.

Hereinafter, a plant sensor according to another embodiment of the present invention will be described. FIG. 8 is a diagram illustrating the external appearance of a plant sensor utilizing the Internet of objects according to another embodiment of the present invention. In this embodiment, the same reference numerals are used for the same components as those in the embodiment.

In the present embodiment, the third layer 3 'is composed of a plurality of protrusions extending from the second layer to be narrowed, and the humidity sensor is disposed in each of the protrusions with two pairs of modules 41, do. At this time, the angle formed by the two pairs of modules 41 is preferably smaller than that of the embodiment because the projections are spaced apart from each other. The plant sensor according to the present embodiment can secure sufficient support even when the nutrient solution is supplied to the plant, so that there is an effect that stable mounting and sensing can be performed.

As described above, preferred embodiments of the present invention have been disclosed in the present specification and drawings, and although specific terms have been used, they have been used only in a general sense to easily describe the technical contents of the present invention and to facilitate understanding of the invention , And are not intended to limit the scope of the present invention. It is to be understood by those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

100: Plant sensor
200: Router
300: Smartphone
400: Server
1: First layer
2: Second layer
3: Third layer
10:
20: Light sensor
21: Masking room
23: Grid line
30: Temperature sensor
40: Humidity sensor
41: Sensor module
50:
60:
70: heat radiation pattern

Claims (13)

In a plant sensor,
A first layer in which an illuminance sensor is disposed;
A second layer in contact with the first layer and having a temperature sensor disposed thereon; And
And a third layer extending from the second layer and having a humidity sensor disposed therein,
Wherein the illuminance sensor, the temperature sensor, and the humidity sensor are sequentially arranged from top to bottom,
Wherein the illumination sensor detects a case where illumination is continued for a predetermined time period under a preset illuminance to switch the plant sensor to a sleep mode,
In the second layer, a communication unit is disposed above the temperature sensor, a power unit is disposed under the temperature sensor,
Wherein a control unit is formed between the communication unit and the power unit, a heat radiation pattern is formed adjacent to the control unit, and the heat radiation pattern is formed toward a rear surface of the second layer.
The method according to claim 1,
Wherein the third layer is formed by extending the second layer while being narrowed and the humidity sensor is formed by two pairs of modules in the third layer and is narrowed along the extending direction. Plant sensor.
delete The method according to claim 1,
Wherein the illuminance sensor of the first layer and the communication unit of the second layer are disposed at different heights.
5. The method of claim 4,
Wherein an imaginary line connecting the center of the illuminance sensor and the center of gravity of the power supply unit connects an upper outer end of the first layer and a lower outer end of the second layer. sensor.
The method according to claim 1,
And the rear surface of the second layer is coated to prevent contact with the outside air.
The method according to claim 1,
The plant sensor utilizing the object Internet may further include a UI loading unit, and the UI loading unit may display a plurality of data layers representing illuminance, temperature, and humidity, and a user may select one of the plurality of data layers A plant sensor that utilizes the Internet to pick up objects that can select a data layer.
8. The method of claim 7,
Wherein the plant sensor utilizing the object Internet further includes a cultivation control unit, the UI loading unit further includes a control UI, and a user can control the cultivation control unit by selecting the control UI. Applied plant sensor.
The method according to claim 1,
Wherein the light sensor further comprises a masking chamber formed on an upper portion of the light sensor, and when the masking chamber is removed, the plant sensor is turned on.
delete delete The method according to claim 1,
Wherein a scale line is formed on the first layer and a photosensitive paper is disposed on an upper surface on which the scale line is formed.
3. The method of claim 2,
Wherein the third layer is composed of a plurality of protrusions extending from the second layer to be narrowed, and the two pairs of modules are disposed on the protrusions and are arranged so as to be narrowed along the extending direction. One plant sensor.
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