KR102259830B1 - Teaching tool for learning smart farm - Google Patents

Abstract

The present invention relates to a teaching tool for learning a smart farm to increase understanding of the smart farm. According to the present invention, the teaching tool comprises: a housing including a housing body, a tray, and a flowerpot disposed on the tray; an operation unit including a solar unit, an LED light source, a water storage tank, a suction fan, a discharge fan, a pump, and a camera; a sensor unit including a temperature sensor, a first humidity sensor, a second humidity sensor, and a water storage sensor; an input/output unit including a terminal device in which a management program based on a scratch program is installed; a control unit receiving measurement values from the temperature sensor, the first humidity sensor, the second humidity sensor, and the water storage sensor to control operation of the solar unit, the LED light source, the suction fan, the discharge fan, and the pump; and a communication unit.

Description

Teaching tool for learning smart farm}

The present invention relates to a teaching aid for smart farm learning, and more specifically, to a teaching aid for smart farm learning in which a learner can directly code a housing in which an arbitrary plant is placed to change the environment inside the greenhouse and observe plant growth. will be.

A smart farm is a form of agriculture that uses information and communication technology (ICT) to increase the efficiency and convenience of agricultural production, and is attracting attention as an alternative agriculture that can solve the problems of rural areas facing aging and population hollowing.

The initial level of this smart farm utilizes IT technology to directly monitor the temperature, humidity, and illuminance that affect the crop, and remotely control the device that can control the temperature and humidity to optimize the crop environment. Currently, it is evolving to a level that aims to become completely unmanned by using intelligent information technologies such as big data, artificial intelligence, and the Internet of Things, and fusion of robot technology with it.

However, education related to this is insignificant in the school field, and only education is provided to the extent of observing the growth process of plants by placing flowerpots in the classroom.

Publication No. 10-2013-0052078 (published on May 22, 2013)

The task to be solved in the present invention is to learn the knowledge of information and communication technology required for smart farm implementation through coding work, and observe the growth process of plants while controlling the growth environment of plants through this coding work In this way, it is to provide a teaching aid for smart farm learning that can increase the understanding of smart farms.

The teaching aid for smart farm learning of the present invention for solving the above problems includes a housing body having a box shape, a tray provided on the bottom surface of the housing body, and a potted plant on which an observation target plant is planted and placed on the tray a housing; A photovoltaic unit provided on the upper part of the housing body, an LED light source for providing a light source necessary for plant growth, a water storage tank provided on the wall of the housing body, a suction fan for sucking in and discharging outside air of the housing body and A discharge fan, a pump for supplying water to each flowerpot through a water supply pipe, and a pump provided inside the housing body to shoot images of plants an operation unit including a camera; A temperature sensor for measuring the internal temperature of the housing body, a first humidity sensor for measuring the soil humidity of the flowerpot, a second humidity sensor for measuring the internal humidity of the housing body, and a water storage sensor for measuring the water level in the water tank a sensor unit; an input/output unit including a terminal device in which a management program based on a scratch program is installed; a control unit configured to receive measurement values from the temperature sensor, the first humidity sensor, the second humidity sensor, and the water storage sensor and control the operation of the solar unit, the LED light source, the suction fan, the discharge fan, and the pump based on the received measurement values; and a communication unit for connecting the control unit and the outside through an external communication connection terminal provided on a side surface of the housing body.

In addition, in the smart farm learning teaching aid of the present invention, when the water level inside the water storage tank is detected to be below a certain level by the water storage sensor, a warning light is provided on the outside of the housing body to inform this is additionally provided.

In addition, the smart farm learning teaching aid of the present invention is a solar panel in which the solar unit receives sunlight to produce power, a power display device that displays the amount of power generated by the solar panel for a certain period of time, and storage of the generated power It is characterized in that it consists of a power control device for controlling oversupply, a power storage device for storing the generated power, and a solar light that receives power from the power storage device and turns on/off according to a block command of the terminal device.

In addition, the teaching aid for smart farm learning of the present invention is characterized in that a surface mirror is further provided on one inner wall of the housing body, and a measurer is provided in a flowerpot adjacent to the surface mirror.

In addition, the teaching aid for smart farm learning of the present invention is configured to automatically adjust the rotation angle of the mirror by mounting a step motor on the mirror.

According to the smart farm learning teaching aid of the present invention, it is possible to learn the operation of the smart farm by controlling the growth environment of plants through coding and observing the growth process of plants.

In addition, according to the teaching aid for smart farm learning of the present invention, basic coding education can be made by the management program.

In addition, according to the smart farm learning teaching aids of the present invention, it is possible to improve the understanding of solar power generation by the solar unit.

1 is a view showing a control system of the teaching aid for smart farm learning according to the present invention.
2 is an overall configuration diagram of a teaching aid for smart farm learning according to the present invention.
Figure 3 is an enlarged view of the solar unit of the teaching aid for smart farm learning according to the present invention.
Figure 4 is a view showing the main part of the teaching aid for smart farm learning according to the present invention.
5 is a diagram illustrating block coding using a scratch program in a smart farm learning teaching aid according to the present invention.
6 is a view for explaining a screen for directly controlling or managing the teaching aid for smart farm learning of the present invention through a terminal device.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 and 2, the smart farm learning teaching aid according to an embodiment of the present invention includes a housing 10 that provides a growth space for a plant to be observed, a temperature, humidity, illuminance control operation and An operation unit 20 and a sensor unit 30 for performing a water supply operation, an input/output unit 40 and a control unit 50 for displaying a command instruction required for performing the operation and a result thereof, and a communication unit for communication connection with the outside (60).

Hereinafter, the specific content of the present invention will be described focusing on the above components.

The housing 10 is made of a transparent reinforced plastic material and has a housing body 11 having a box shape, a tray 13 provided on the bottom surface of the housing body 11, a plant to be observed is planted, and the tray 13 It consists of a plurality of flowerpots 15 arranged on the top.

The housing body 11 is provided with an opening on one side and a door capable of opening and closing the opening.

The flowerpots 15 are spaced apart from each other in consideration of the growth size of the plant to be observed and are arranged in a lattice form.

The operation unit 20 includes a photovoltaic unit 21 provided on an upper portion of the housing body 11, an LED light source 22 that provides a light source necessary for plant growth, and a water storage tank 23 provided on the wall of the housing body 11. , the suction fan 24 and the discharge fan 24', the pump 25 and the auxiliary pump 26, provided on one side inside the housing body 11 It consists of a camera (27).

The photovoltaic unit 21 is configured to receive sunlight, produce electric power and supply it to the operation unit 20, a photovoltaic panel 21a, and a power display device 21b that displays the amount of power produced for a certain period of time , the power control device 21c for controlling the storage and supply of power, the power storage device 21d for storing the generated power, and the power storage device 21d receive power from the terminal device 41, which will be described later, and the learner instructs it. It includes a solar light 21e that is turned on/flickers by receiving a block command.

As the LED light source 22, white light or a red light or blue light LED known to be beneficial to plant growth may be selectively employed, and in a state in which power is applied from the power storage device 21d, the block command input to the terminal device 41 is applied. Lighting/flickering is made by

The water storage tank 23 and the pump 25 supply water to each flowerpot 15 through the water supply pipe 30a.

In addition, a water storage sensor 34 is provided inside the water storage tank 23, and when it is detected that the water level inside the water storage tank 23 is below a certain level by the water storage sensor 34, a warning light provided outside the housing body 11 This is notified through (23a), the auxiliary pump 26 is additionally provided to check the normal operation of the warning light (23a).

That is, by operating the auxiliary pump 26 to artificially induce the water level of the water storage tank 23 to fall below the reference level, it is possible to check whether the warning light 23a is operating normally.

When the humidity inside the housing body 11 is excessively high, fungal diseases and corrosion of facilities may occur. When the humidity is higher than a certain level through the measurement of the second humidity sensor 33 to be described later, the control unit 50 In response to the signal, the suction fan 24 and the discharge fan 24' are operated, so that the outside air suction and the outside air discharge of the housing body 11 are made to lower the humidity.

remind The camera 27 is configured to photograph the growth process of a plant to be observed and provide it to the learner, and typically takes a time lapse technique, that is, the target at a predetermined time interval.

However, the camera 27 is preferably provided at the center of the ceiling of the housing body 11 for observation of all plants, but in this case, a flat image of the plant to be observed is obtained, and the vertical growth of the plant is observed with the flat image. There is a limit to

Accordingly, in the present invention, as shown in FIG. 2 , a face mirror 27a and a measurer 27b may be additionally provided so that a front image can be easily obtained without additional provision of a camera.

That is, a face mirror 27a is provided on one inner wall of the housing body 11, and a front image can be obtained through the image formed on the face mirror 27a photographed by the camera 27, and the obtained image is the control unit 50 is transmitted to the terminal device 41 to be described later.

However, the camera 27 shoots the face mirror 27a in a downward-looking manner rather than the front shot, thereby causing shape distortion. The measurer 27b is erected in the flowerpot 15 adjacent to the face mirror 27a. If it is photographed together with the plant in the equipped state, the vertical growth of the plant can be normally grasped.

On the other hand, in order to obtain an appropriate image for each stage of plant growth, it is preferable to arbitrarily adjust the installation angle of the face mirror 27a. It is rotatably fixed to the housing body 11 through a hinge member 27c having a fixing means. The face mirror 27a may be configured in such a way that

In addition, it may be configured to automatically adjust the rotation angle of the mirror (27a) by mounting a step motor on the mirror (27a).

The sensor unit 30 is provided in a temperature sensor 31 for measuring the internal temperature of the housing body 11, a first humidity sensor 32, a second humidity sensor 33, and the water storage tank 23 to measure the water level. It consists of a low water quantity sensor 34 to grasp, a sensor terminal 35 electrically connected to the sensors 31 , 32 , 33 , and 34 , and a sensor box 36 .

The sensor terminal 35 transmits the values measured by each of the sensors 31, 32, 33, and 34 to the sensor box 36, and the sensor box 36 collects the measured values transmitted from each sensor terminal. It is transmitted to the control unit 50 .

The first humidity sensor 32 has a probe inserted into the flowerpot 15 to measure the soil humidity and transmit it to the control unit 50. If the measured value is below the standard, the control unit 50 operates the pump 25 Watering is made to the flowerpot (15).

As mentioned above, the second humidity sensor 33 measures the humidity inside the housing body 11 and transmits it to the control unit 50, the control unit 50 sucks when the humidity is excessive through comparison with a reference value. The fan 24 and the discharge fan 24' are operated to ventilate.

On the other hand, in order to check whether the suction fan 24 and the discharge fan 24 ′ operate normally, the control unit 50 has a reference value according to the block command of the terminal device 41 instead of the actual measured value of the second humidity sensor 33 . The above virtual humidity may be input to artificially operate the suction fan 24 and the discharge fan 24'.

The input/output unit 40 includes a terminal device 41 that is wired and wirelessly connected to the control unit 50 , and a terminal device connection terminal for connecting the terminal device 41 and the control unit 50 to the side of the housing body 11 . is provided.

The terminal device 41 may be a smart phone, a tablet PC, or a computer, and may download the teaching aid management program for learning of the present invention through a server connection.

The management program is based on the scratch program. After being connected to the control unit 50, when a block command input by the learner into the terminal device 41 is transmitted to the control unit 50, the control unit 50 responds to the block command. Accordingly, the operation of the operating unit 20 is instructed, and information such as the internal temperature of the housing body 11, the soil humidity of the flowerpot 15, and the amount of water stored in the water storage tank 23 is displayed on the display of the terminal device 41. .

5 is a diagram illustrating block coding using a scratch program in a smart farm learning teaching aid according to the present invention.

And the block coding can be performed through the control practice menu on the main screen as shown in FIG. 6 .

In addition, the plane and front images captured by the camera 27 for a certain period and the control process of the operation unit 20 of the controller 50 are displayed on the display of the terminal device 41 .

In addition, the educator measures the soil humidity of the flowerpot 15 using the block command of the terminal device 41, the operation of the suction fan 24 and the discharge fan 24', the solar light 21e or the LED light source 22 After a brief explanation of the control method regarding the blinking, etc., a specific condition is presented, so that the learner inputs a block command according to the suggested condition to learn to control the operation unit 20 device.

Here, examples of the specific conditions include reducing the water level in the water storage tank 23 until the warning light 23a is turned on, turning on the LED light source 22 for a predetermined time and then blinking, the suction fan 24 and the discharge fan 24'. adjusting the uptime of the

The control unit 50 controls the device of the operation unit 20 based on the measurement values received from the respective sensors 31 , 32 , 33 , and 34 .

In addition, as described above, the learner's command input through the terminal device 41 is performed, and the image data of the camera 27 and the measured values of the sensors 31 , 32 , 33 , and 34 are recorded on the terminal device 41 . ) is sent to

6 is a view showing a screen configuration for directly controlling or managing the teaching aid for smart farm learning of the present invention through a terminal device.

(a) is a login screen for inputting an ID and password, (b) is a main screen, and menus related to device status, growth photos, device settings and control practice appear, (c) is a detailed screen of the device status Each sensor state is displayed together with temperature and humidity, and d) is a specific screen of the device setting, and it is possible to set temperature, humidity, pump, circulation fan (suction fan), ventilation fan (discharge fan), and LED lighting. .

The communication unit 60 is a configuration that allows the learner to remotely access the teaching aid for learning of the present invention, and connects the control unit 50 and the outside through an external communication connection terminal provided on the side of the housing body 11 so that the learner can A control signal can be transmitted from the outside to the control unit 50 , and the growth state of the plant can be observed from the outside through the camera 27 .

Although preferred embodiments of the present invention have been described above, the scope of the present invention is not limited thereto, and it should be understood that the scope of the present invention extends to those substantially equivalent to the embodiments of the present invention, Various modifications can be made by those of ordinary skill in the art to which the invention pertains without departing from the spirit of the invention.

10: housing
11: housing body 13: tray 15: flowerpot
20: operation part
21: solar unit 22: LED light source 23: water tank
24: suction fan 24': discharge fan 25: pump
26: auxiliary pump 27: camera
30: sensor unit
31: temperature sensor 32: first humidity sensor 33: second humidity sensor
34: low water quantity sensor 35: sensor terminal 36: sensor box
40: input/output unit
41: terminal device
50: control unit
60: communication department

Claims (5)

A housing body 11 having a box shape, a tray 13 provided on the bottom surface of the housing body 11, and a flowerpot 15 on which a plant to be observed is planted and disposed on the tray 13 a housing 10;
A photovoltaic unit 21 provided on the upper portion of the housing body 11, an LED light source 22 providing a light source necessary for plant growth, a water storage tank 23 provided on the wall of the housing body 11, and the A suction fan 24 and a discharge fan 24' for sucking in and discharging outside air of the housing body 11, and a pump 25 for supplying water to each flowerpot 15 through a water supply pipe 30a, and , which is provided inside the housing body 11 to take an image of a plant an operation unit 20 including a camera 27;
A temperature sensor 31 for measuring the internal temperature of the housing body 11, a first humidity sensor 32 for measuring the soil humidity of the flowerpot 15, a first humidity sensor for measuring the internal humidity of the housing body 11 2 humidity sensor 33, a sensor unit 30 including a water storage sensor 34 for measuring the water level of the water storage tank 23;
an input/output unit 40 including a terminal device 41 on which a management program based on a scratch program is installed; And,
Receive the measured values from the temperature sensor 31, the first humidity sensor 32, the second humidity sensor 33, and the water storage sensor 34, and based on this, the solar unit 21, the LED light source 22 , a control unit 50 for controlling the operation of the suction fan 24, the discharge fan 24' and the pump 25; and
a communication unit 60 for connecting the control unit 50 and the outside through an external communication connection terminal provided on a side surface of the housing body 11;
is made of,
When the water level inside the water storage tank 23 is detected by the water storage sensor 34 to be below a certain level, a warning light 23a is provided outside the housing body 11 to notify the normal operation of the warning light 23a. A teaching aid for smart farm learning, characterized in that the auxiliary pump 26 is additionally provided to confirm. delete The method of claim 1,
The photovoltaic unit 21 includes a photovoltaic panel 21a for generating power by receiving sunlight, a power display device 21b for displaying the amount of power generated by the photovoltaic panel 21a for a certain period of time, and generated power The power control device 21c for controlling the storage and supply of power, the power storage device 21d for storing the generated power, the power storage device 21d receives power from the power storage device 21d and turns on according to the block command of the terminal device 41 / Smart farm learning teaching aid, characterized in that consisting of a flashing solar light (21e). The method of claim 1,
Smart farm learning teaching aid, characterized in that the inner wall of one side of the housing body (11) is further provided with a mirror (27a), and the pot (15) adjacent to the mirror (27a) is provided with a measurer (27b). The method of claim 4,
Smart farm learning teaching tool, characterized in that it is configured to automatically adjust the rotation angle of the mirror (27a) by mounting a step motor on the mirror (27a).

Images