JP2011160792A - Plant culture apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plant culture apparatus with which a high production efficiency can be obtained. <P>SOLUTION: The plant culture apparatus 20 for culturing plant includes a frame 21, at least one light-emitting diode 22, at least two movable plates 23 and 24, and a lifting unit 25. The movable plates 23 and 24 are installed in the frame 21, and the light-emitting diode 22 is located above plants 30. The lifting unit 25 is connected with the movable plates 23 and 24, so that a designated distance is maintained between the upper end of the plants 30 and the movable plate 23 as the movable plates 23 and 24 are moved by the lifting unit 25. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a plant culture apparatus, and more particularly to a plant culture apparatus that uses a light-emitting diode as illumination.

  FIG. 1 is an explanatory view of a conventional plant culture apparatus. As shown in FIG. 1, the plant culture device 10 includes a frame 11, a light emitting diode 12, a fixed plate 13, and an illuminance controller 14. The fixed plate 13 is installed in the frame 11 and has a lower surface 131. The light emitting diode 12 is provided on the lower surface 131. The illuminance controller 14 is electrically connected to the light emitting diode 12 and adjusts the light intensity and the irradiation time.

  In the course of plant cultivation, the plant grows constantly, and if the distance between the fixed plates 13 is not adjusted during the growth of the plant, the plant may be bent by the upper fixed plate 13 and be damaged. Furthermore, when cultivating a plant, the light intensity of the irradiation affects the growth rate of the plant, and the distance between the light source and the plant affects the light intensity of the irradiation. When the light intensity of irradiation is set to a specific optimum value, the production efficiency of the plant becomes higher. Therefore, with the fixed plate 13 of the conventional plant culture device 10, it is impossible to adjust the distance between the plant and the fixed plate 13 thereabove at any time. For this reason, the conventional plant culture device 10 is used. In some cases, optimal production efficiency cannot be obtained.

  In view of the above, an object of the present invention is to provide a plant culture apparatus that can solve the conventional problems.

  The present invention provides a plant culturing apparatus for cultivating plants, including a frame, at least one light emitting diode, at least two movable plates, and an elevating unit. The movable plate is installed in the frame, the light emitting diode is located above the plant, the lifting unit and the movable plate are connected, and by moving the movable plate by the lifting unit, the upper end of the plant and the movable plate It is configured to keep a predetermined distance between.

  In the present invention, the elevating unit includes a ball screw and a driver, the ball screw is connected to the driver and the movable plate, and the driver drives and rotates the ball screw to move the movable plate. .

  In the present invention, each movable plate may include an upper surface and a lower surface, a plant is mounted on the upper surface, and a light emitting diode may be installed on the lower surface.

  In the present invention, the driver may include a motor.

  In the present invention, the lifting unit further includes a sensor and a controller, the sensor is installed on the lower surface and is electrically connected to the controller, the controller is electrically connected to the driver, and the sensor is the plant and the movable plate. If the controller detects that the predetermined distance between the lower surface and the lower surface needs to be adjusted, the controller may control the driver to operate.

  In the present invention, the sensor may include an infrared sensor.

In the present invention, the predetermined distance may be 150 mm to 300 mm.
When the predetermined distance is 300 mm, the light intensity of the light emitting diode is 300 μmol / m ² / s.

When the predetermined distance is 150 mm, the light intensity of the light emitting diode is 150 μmol / m ² / s.

  The plant culture apparatus according to the present invention may further include an illuminance controller, and the illuminance controller may be electrically connected to the light emitting diode to adjust the light intensity and the irradiation time.

  In the present invention, the light emitting diode may be a red light emitting diode and the wavelength may be 660 nm.

  According to the plant culture apparatus of the present invention, high production efficiency can be obtained.

  In order that the present invention will become more apparent, preferred embodiments will be described below in detail with reference to the accompanying drawings.

It is explanatory drawing of the conventional plant culture apparatus. It is explanatory drawing of the plant culture apparatus of this invention. It is a connection block diagram of the raising / lowering unit of the plant culture apparatus of this invention. It is explanatory drawing of the connection relation of the raising / lowering unit of the plant culture apparatus of this invention.

  FIG. 2 is an explanatory view of the plant culture apparatus of the present invention. FIG. 3 is a connection block diagram of the lifting unit of the plant culture apparatus of the present invention. FIG. 4 is an explanatory diagram of the connection relation of the lifting unit of the plant culture apparatus of the present invention.

  As shown in FIGS. 2 to 4, the plant culturing apparatus 20 of the present invention is used to cultivate a plant 30, and includes a frame 21, a light emitting diode 22, movable plates 23 and 24, and a lifting unit 25. The movable plates 23, 24 are installed in the frame 21, and each movable plate 23, 24 includes an upper surface 231, 241 and a lower surface 232, 242, the plant 30 is mounted on the upper surface 241, and the lower surface 232 Is provided with a light emitting diode 22. The elevating unit 25 is connected to the movable plates 23 and 24, and the movable plates 23 and 24 are moved by the elevating unit 25, so that a predetermined distance H1 is provided between the upper end portion of the plant 30 and the lower surface 232 of the movable plate 23. keep.

  In the present embodiment, the lifting unit 25 includes a ball screw 251, a driver 252, a sensor 253, and a controller 254. The ball screw 251 is connected to the driver 252 and the movable plates 23 and 24, and the movable plates 23 and 24 are moved by driving the driver 252 to rotate the ball screw 251. The sensor 253 is installed on the lower surface 232 and is electrically connected to the controller 254. The controller 254 is electrically connected to the driver 252. When the sensor 253 detects that the predetermined distance H1 between the plant 30 and the lower surface 232 of the movable plate 23 needs to be adjusted, the controller 254 controls the driver 252 to operate.

In the present embodiment, the driver 252 is a motor, and the sensor 253 is an infrared sensor. When cultivating plants, the light intensity of the irradiation affects the growth rate of the plant, and the distance between the light source and the plant affects the light intensity of the irradiation. When set, plant production efficiency is higher. Therefore, in the plant culture apparatus 20 of the present invention, when the predetermined distance H1 is 150 mm to 300 mm and the predetermined distance H1 is 300 mm, the light intensity of the light emitting diode 22 is 300 μmol / m ² / s, When the distance H1 is 150 mm, the light intensity of the light emitting diode 22 is set to 150 μmol / m ² / s. In this embodiment, the light emitting diode 22 is a red light emitting diode and has a wavelength of 660 nm.

  Moreover, the plant culture apparatus 20 of the present invention may further include an illuminance controller 26. The illuminance controller 26 is electrically connected to the light emitting diode 22 to adjust the light intensity and irradiation time, thereby maintaining the plant 30 in an optimal growth state. The number of movable plates of the present invention is not limited to two, and the optimum usage efficiency can be achieved by using more movable plates in a stacked manner.

  The plant culturing apparatus 20 of the present invention provides movable plates 23 and 24 that can move, and achieves an automatic control function by the lifting unit 25. The lifting unit 25 includes a sensor 253, which communicates this information to the controller 254 when the sensor 253 detects that the predetermined distance H1 is not in the range of 150 mm to 300 mm, and the controller 254 activates the driver 252. Control to start. At this time, the driver 252 drives and rotates the ball screw 251, whereby the movable plates 23 and 24 are controlled to rise to a high position or descend to a low position, and the height is adjusted. When the sensor 253 senses that the predetermined distance H1 has returned within the range of 150 mm to 300 mm, the controller 254 controls to stop the operation of the driver 252. As can be seen from the above, the plant culturing apparatus 20 of the present invention adjusts the positions of the movable plates 23 and 24 without manual intervention, and thus a predetermined distance H1 between the plant 30 and the lower surface 232 of the movable plate 23. Can be maintained in a preferable range, so that higher production efficiency can be achieved.

  The gist of the present invention is to maintain the distance between the light emitting diode 22 and the upper end of the plant 30 by moving the plate by the elevating unit 25. In the specific embodiment, as shown in FIG. 2, two upper and lower movable plates 23 and 24 may be installed, or only one upper movable plate is provided and the plant 30 is on the ground. It may be placed directly. The two upper and lower movable plates 23 and 24 may be configured to be movable, or one of the upper movable plate and the lower movable plate may be configured to be movable.

  The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby. That is, any simple equivalent changes and modifications made based on the claims of the present invention and the contents of the description of the invention are included in the scope covered by the patents of the present invention. In addition, any embodiment or claim of the present invention does not have to achieve the features disclosed by the present invention. The abstract and the title of the invention are only for use in searching patent documents and do not limit the patent scope of the present invention.

DESCRIPTION OF SYMBOLS 10 Plant culture device 11 Frame 12 Light emitting diode 13 Fixed plate 131 Lower surface 14 Illuminance controller 20 Plant culture device 21 Frame 22 Light emitting diode 23, 24 Movable plate 231, 241 Upper surface 232, 242 Lower surface 25 Lifting unit 251 Ball screw 252 Driver 253 Sensor 254 Controller 26 Illuminance controller 30 Plant H1 Predetermined distance

Claims (11)

In a plant culture apparatus for culturing plants,
Frame,
At least one light emitting diode located above the plant;
At least two movable plates installed in the frame;
An elevating unit coupled to the movable plate,
A plant culture apparatus configured to maintain a predetermined distance between an upper end portion of the plant and the movable plate by moving the movable plate by the elevating unit. The lifting unit includes a ball screw and a driver;
The ball screw is connected to the driver and the movable plate;
2. The plant culture apparatus according to claim 1, wherein the driver is configured to move the movable plate by driving and rotating the ball screw.   The plant culture apparatus according to claim 2, wherein the driver includes a motor.   The plant culture apparatus according to claim 2, wherein the movable plate includes an upper surface and a lower surface, the plant is mounted on the upper surface, and the light emitting diode is installed on the lower surface. . The lifting unit further includes a sensor and a controller,
The sensor is installed on the lower surface and is electrically connected to the controller, and the controller is electrically connected to the driver;
When the sensor detects that the predetermined distance between the plant and the lower surface of the movable plate needs to be adjusted, the controller controls the driver to operate. The plant culture apparatus according to claim 4.   The plant culture apparatus according to claim 5, wherein the sensor includes an infrared sensor.   The plant culture apparatus according to claim 1, wherein the predetermined distance is 150 mm to 300 mm. 8. The plant culture apparatus according to claim 7, wherein when the predetermined distance is 300 mm, the light intensity of the light emitting diode is 300 μmol / m ² / s. 8. The plant culture apparatus according to claim 7, wherein when the predetermined distance is 150 mm, the light intensity of the light emitting diode is 150 [mu] mol / m < ² > / s.   The plant culture apparatus according to claim 1, further comprising an illuminance controller, wherein the illuminance controller is electrically connected to the light emitting diode, and adjusts the light intensity and the irradiation time.   2. The plant culture device according to claim 1, wherein the light emitting diode is a red light emitting diode and has a wavelength of 660 nm.

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