WO2013024681A1 - Dispositif d'éclairage, système d'éclairage, dispositif de culture de plantes - Google Patents

Dispositif d'éclairage, système d'éclairage, dispositif de culture de plantes Download PDF

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Publication number
WO2013024681A1
WO2013024681A1 PCT/JP2012/069044 JP2012069044W WO2013024681A1 WO 2013024681 A1 WO2013024681 A1 WO 2013024681A1 JP 2012069044 W JP2012069044 W JP 2012069044W WO 2013024681 A1 WO2013024681 A1 WO 2013024681A1
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WIPO (PCT)
Prior art keywords
light
plant
light source
rotating body
lighting device
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PCT/JP2012/069044
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English (en)
Japanese (ja)
Inventor
智樹 久保
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シャープ株式会社
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Publication of WO2013024681A1 publication Critical patent/WO2013024681A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/249—Lighting means

Definitions

  • the present invention can illuminate an object to be illuminated from various directions, and can prevent the surroundings of the object to be heated due to heat generated from the light source, an illumination system, an illumination system, and plant cultivation It relates to the device.
  • plants are cultivated and bred by reproducing all complex environments using artificial lighting, appropriate temperature and humidity management, etc., using lighting devices, air conditioners and the like.
  • a plant cultivation factory or a plant cultivation apparatus As a method for promoting the growth of a plant, a method of artificially irradiating a plant with a lighting device at night or in a glass greenhouse or a greenhouse However, it has been used conventionally.
  • incandescent bulbs, fluorescent tubes, and the like are mainly used as light sources in lighting devices used for such artificial lighting.
  • Patent Document 1 discloses an illuminating device in which a plurality of light sources that respectively irradiate light in the far-infrared, red, and blue wavelength regions are disposed around a rotation axis.
  • several LED is used as one light source by combining several LED in parallel with a rotating shaft.
  • These light sources are arranged so as to emit light of two or more colors radially with respect to the rotation axis.
  • Patent Literature 1 for example, in electric lighting cultivation, the color of light irradiated to a plant arranged immediately below a light source is switched by rotating a rotation shaft by a rotation mechanism.
  • Patent Document 2 discloses a plant cultivation apparatus in which a support column in which a plurality of holders for holding a plurality of cultivation containers are installed in the center is extended in the vertical direction at the center of the cultivation room inside the housing.
  • a plurality of LEDs and a fluorescent lamp are provided on the side wall of the plant cultivation apparatus side by side in parallel with the support column, and light is emitted from the side wall of the casing toward the center of the cultivation room. Irradiating.
  • Patent Document 3 discloses a movable LED lighting device that moves a moving unit in which LED lighting is suspended along a rail that extends over a field.
  • the said movable LED lighting apparatus can adjust the distance to the plant cultivated in the field by adjusting the length of the LED suspension part attached to the said moving part.
  • Patent Document 4 discloses a plant cultivation system provided with an artificial light source provided above the cultivation bed and movable up and down according to the growth of the cultivated plant.
  • an LED when used as the artificial light source, the LED is embedded at an appropriate interval in a ceiling plate having the same area as the cultivation bed planting panel for planting the cultivated plant. It is disclosed that the LED is moved up and down by moving the plate up and down.
  • Japanese Patent Publication “JP 2007-188799 A Japanese Patent Publication “Japanese Patent Laid-Open No. 2006-262817 (published on October 5, 2006)” Japanese Patent Publication “JP 2005-27521 A” (published on February 3, 2005) Japanese Patent Publication “Japanese Patent Laid-Open No. 2010-88425 (published on April 22, 2010)”
  • the light distribution of the LED is uniform with respect to the growth of the plant, and once the position of the LED is determined, it is difficult to change the light emission direction.
  • Patent Documents 1 to 4 disclose that the light source is moved as described above.
  • Patent Document 1 discloses rotating an illumination device in which a plurality of light sources are disposed around a rotation axis.
  • Patent Document 1 discloses a light source disposed around a rotation axis. Radiation is radiated and plants are arranged directly under the light source.
  • Patent Document 1 it is only possible to change the wavelength of light applied to the plant by rotation of the lighting device.
  • Patent Document 1 light is always irradiated from the upper light source toward the lower plant, and the positional relationship between the light source and the plant that actually irradiates the light with the plant and the direction of the light do not change.
  • Irradiating a uniform light to a plant in this way is not preferable for the growth of the plant because the irradiation conditions are different from those when natural light is irradiated.
  • the part irradiated with light in the plant is It is always almost the same, the heat from the light source is large, and it is difficult to maintain the optimal temperature for the plant.
  • the current situation is that the light distribution adjustment to the illumination object such as a plant and the heat countermeasure of the light source are not considered at the same time.
  • the present invention has been made in view of the above problems, and its purpose is to irradiate the object to be illuminated from various directions and to generate a high temperature around the object to be irradiated by heat generated from the light source.
  • the object is to provide a lighting device, a lighting system, and a plant cultivation device that can prevent this.
  • an illumination device includes at least one rotating body that rotates about a rotating shaft, and at least two rotating bodies that are fixed to the rotating body and swivel as the rotating body rotates. And at least two of the light sources have an optical axis in a direction intersecting with a straight line passing through each light source and the rotation axis, and light in a direction in which the optical axes intersect with each other. Is emitted.
  • the position of the light source with respect to the object to be illuminated changes as the light source rotates.
  • at least two of the light sources have an optical axis in a direction intersecting with a straight line passing through each light source and the rotation axis, and emit light in a direction in which the optical axes intersect with each other.
  • the object to be illuminated is a plant
  • the position of the light source changes, and light is not always irradiated to the same position, and the illumination area is not fixed. For this reason, it can suppress that the surroundings of a to-be-irradiated object become high temperature by the heat_generation
  • the illumination system according to the present invention is characterized by including at least one illumination device.
  • the said illumination system while being able to irradiate light to a to-be-illuminated object from various directions, it prevents that the circumference
  • the lighting system according to the present invention is characterized by including at least one lighting device according to the present invention and a blower that rotates a rotating body of the lighting device by blowing air.
  • the light source fixed to the said rotary body can be cooled by using a fan for rotation of the said rotary body in this way. Further, since the air blown from the blower also hits the object to be illuminated, it is possible to prevent the surroundings of the object to be illuminated from becoming a high temperature. At this time, when the object to be illuminated is a plant, further growth of the plant can be promoted.
  • the wind blown from the blower does not always hit the object to be illuminated from a certain direction as the rotating body rotates, but hits the object to be illuminated from various directions. Therefore, for example, when the object to be illuminated is a plant, an environment closer to nature can be achieved.
  • the plant cultivation apparatus according to the present invention is characterized by including the above-described lighting system.
  • the lighting device, the lighting system, and the plant cultivation device of the present invention are fixed to the at least one rotating body that rotates around the rotation axis, and swivel as the rotating body rotates.
  • at least two of the light sources have an optical axis in a direction intersecting a straight line passing through each light source and the rotation axis, and directions in which the optical axes intersect with each other To emit light.
  • the position of the light source relative to the object to be illuminated changes as the light source rotates.
  • at least two of the light sources have an optical axis in a direction intersecting with a straight line passing through each light source and the rotation axis, and emit light in a direction in which the optical axes intersect with each other.
  • the position of the light source changes, and light is not always irradiated to the same position, and the illumination area is not fixed. For this reason, it can suppress that the surroundings of a to-be-irradiated object become high temperature by the heat_generation
  • FIG. (A) * (b) is a figure explaining the mechanism of the light irradiation of the illuminating device concerning Embodiment 1.
  • FIG. It is principal part sectional drawing which shows typically schematic structure of the plant cultivation apparatus concerning Embodiment 1.
  • FIG. It is a perspective view which shows typically schematic structure of the principal part of the plant cultivation apparatus shown in FIG. (A)-(c) is a figure which shows typically an example of schematic structure of the illuminating device main body concerning Embodiment 1, (a) is an end elevation, (b) is a side view, (c) is It is a perspective view.
  • It is a block diagram which shows schematic structure of the principal part of the illumination system concerning Embodiment 1.
  • FIG. 6 is an end view showing a schematic configuration of another illumination device main body according to the first exemplary embodiment. It is a block diagram which shows schematic structure of the principal part of the illumination system concerning Embodiment 2.
  • FIG. (A)-(c) is a figure which shows typically an example of schematic structure of the illuminating device main body concerning Embodiment 2, (a) is an end elevation, (b) is a side view, (c) is It is a perspective view. It is a perspective view which shows typically the schematic structure of the principal part of Embodiment 2 concerning this Embodiment.
  • FIG. It is a perspective view which shows typically schematic structure of the other illuminating device concerning Embodiment 2.
  • FIG. It is an end elevation which shows typically schematic structure of the illuminating device main body concerning the modification 1 in Embodiment 3.
  • FIG. It is an end elevation which shows typically schematic structure of the other illuminating device main body concerning the modification 2 in Embodiment 3.
  • FIG. It is an end elevation which shows typically the schematic structure of the another illuminating device main body concerning the modification 3 in Embodiment 3.
  • FIG. 1 It is an end elevation which shows typically the schematic structure of the another illuminating device main body concerning the modification 4 in Embodiment 3.
  • FIG. It is an end elevation which shows typically schematic structure of the another illuminating device main body concerning the modification 5 in Embodiment 3.
  • FIG. It is an end elevation which shows typically schematic structure of the another illuminating device main body concerning the modification 6 in Embodiment 3.
  • FIG. It is an end elevation which shows typically schematic structure of the another illuminating device main body concerning the modification 7 in Embodiment 3.
  • the object to be illuminated is a plant and the lighting device and the lighting system according to this embodiment are mounted on a plant cultivation device will be described as an example.
  • FIG. 5 is a block diagram showing a schematic configuration of a main part of the illumination system according to the present embodiment.
  • the illumination system (rotary illumination system) according to the present embodiment includes an illumination device 1 (rotary illumination device), a blower 2, and a control device 3.
  • the illuminating device body 11 includes an illuminating device body 11 having a light source 12 and a power supply unit 13 for turning the light source 12 ON / OFF (ON or OFF).
  • the blower 2 includes a blower body 21 and a motor 22 (power source) that drives the blower body 21.
  • control device 3 includes a motor drive control unit 31 that controls driving of the motor 22 of the blower 2 and a lighting control unit 32 that controls lighting of the power supply unit 13 of the lighting device 1.
  • FIG. 2 is principal part sectional drawing which shows typically schematic structure of the plant cultivation apparatus concerning this Embodiment.
  • FIG. 3 is a perspective view schematically showing a schematic configuration of a main part of the plant cultivation apparatus shown in FIG.
  • the plant cultivation apparatus 100 according to the present embodiment is arranged on the plant cultivation apparatus main body 101 (housing) that is the electronic apparatus main body according to the present embodiment. It has the structure to which each apparatus (each part) of the illumination system concerning is attached.
  • Examples of the plant cultivation device 100 include an artificial weather device.
  • the artificial meteorological apparatus is an apparatus for cultivating (nurturing) plants by reproducing any complex environment by artificial lighting, appropriate temperature and humidity management, or the like.
  • each unit each device of the plant cultivation apparatus 100
  • FIG. 1 the configuration of each unit (each device) of the plant cultivation apparatus 100
  • the plant cultivation apparatus main body 101 is a plant cultivation store that accommodates and cultivates plants, and includes a plant cultivation room 102 of a required size as shown in FIG.
  • the plant cultivation room 102 may have a size that allows a person to enter and work therein, and is capable of performing operations such as taking in and out of a plant from the outside of the plant cultivation room 102 without entering a person. You may have the magnitude
  • a plant cultivation shelf 103 plant cultivation cultivation shelf
  • an air conditioner 104 air conditioner
  • a gas component supply device 105 gas component supply device
  • a temperature sensor 106 thermosensor
  • the air conditioner 104 is an air conditioning unit that air-conditions the plant cultivation room 102.
  • the gas component supply device 105 supplies gas components (plant cultivation active components) required for plant cultivation, such as oxygen (O 2 ), carbon dioxide (CO 2 ), and water vapor, into the plant cultivation room 102. It is a supply device.
  • the air conditioner 104 and the gas component supply device 105 are controlled by a control unit (not shown) in the control device 3.
  • the temperature sensor 106 is a temperature measuring member that measures the temperature in the plant cultivation room 102.
  • the measurement result by the temperature sensor 106 is sent to the motor drive control unit 31 of the control device 3.
  • the control device 3 can be configured by an information processing device such as a server or a personal computer.
  • the control apparatus 3 may be provided in the outer side of the plant cultivation apparatus main body 101, and may be provided in the inside of the plant cultivation apparatus main body 101.
  • the control device 3 may include an operation panel and the like, and may have a configuration that can be operated by the operation panel.
  • the control device 3 may include a remote operation terminal such as a remote control and may have a configuration that can be operated by the remote operation terminal. Also good.
  • the lighting device 1 is an artificial lighting device, and the lighting device main body 11 in the lighting device 1 and the blower main body 21 in the blower 2 are installed on the plant cultivation shelf 103.
  • FIG. 3 shows the configuration of one shelf in the plant cultivation shelf 103 shown in FIG.
  • the plant cultivation shelf 103 includes a columnar member 111 and a wall-shaped member 112 supported by the columnar member 111.
  • the columnar member 111 is erected at, for example, four corners of the plant cultivation shelf 103.
  • a mounting plate horizontally spanned between these columnar members 111 is the bottom wall 103a of each shelf of the plant cultivation shelf 103 (the top wall when viewed from the lower shelf).
  • 103b) is provided as a wall-like member 112.
  • a wall-like member 112 used as the side wall 103c or the uppermost top wall 103b is provided on the side surface of the plant cultivation shelf 103 and the uppermost top surface.
  • Examples of the wall member 112 used as the columnar member 111 and the bottom wall 103a (mounting plate) of each shelf of the plant cultivation shelf 103 include a plate member made of glass, plastic, metal, wood, and the like. However, it is not limited to this, As such a wall-shaped member 112, the plant planter 120, the illuminating device main body 11, and the air blower main body 21 etc. which are arrange
  • the wall-like member 112 used for the side wall 103c or the top ceiling wall 103b does not require as much strength as the columnar member 111 and the mounting plate. Therefore, as such a wall-like member 112, a plate-like member or a sheet-like member (film-like member) made of the same material as the wall-like member 112 used as the columnar member 111 and the bottom wall 103a is used. it can.
  • the plant cultivation shelf 103 is a plant accommodation member that accommodates plants therein, and on the bottom wall 103a (on the shelf), a plant planter 120 in which the plant 121 is planted is in the lateral direction (longitudinal direction of the mounting plate). A plurality (multiple planters) are arranged side by side.
  • plant planter 120 in which the plant 121 is planted is simply referred to as “plant planter 120”.
  • the illuminating device body 11 is disposed between the adjacent plant planters 120 such that the illuminating device body 11 and the plant planters 120 are alternately arranged side by side.
  • the plant cultivation shelf 103 and the plant cultivation room 102 are plant housing members and housing members that house the lighting device main body 11.
  • the illuminating device body 11 has the plant planter 120 in a direction (X-axis direction in FIG. 3) perpendicular to the rotation axis 14 of the illuminating device body 11 in the horizontal plane. It arrange
  • the lighting device main body 11 is arranged on the side of the plant planter 120, and light is irradiated from the side of the plant 121.
  • the case where the plant 121 is a strawberry planted in the plant planter 120 is illustrated as an example, but the present embodiment is not limited to this.
  • the illuminating device 1 irradiates light to the plant 121 of the plant planter 120 arranged adjacently by rotating the illuminating device main body 11 provided with the light source 12.
  • blower main body 21 in the blower 2 is provided at a position close to each lighting device main body 11 in the bottom wall 103a of the plant cultivation shelf 103.
  • the blower body 21 is provided so as to blow air toward the rotating body 15 of the lighting device body 11, and the rotating body 15 is rotated by blowing air toward the rotating body 15.
  • the rotator 15 used in the present embodiment is a windmill that is rotated by wind power
  • the motor drive control unit 31 is a rotation that controls the rotation of the lighting device body 11 by driving and controlling the motor 22 of the blower 2. Functions as a control unit.
  • a well-known cooling device such as a fan or blower can be used for the blower body 21.
  • blower 2 and the blower main body 21 Any member may be used as the blower 2 and the blower main body 21 as long as the blower 2 and the blower main body 21 can blow air toward the rotating body 15.
  • the blower 2 also functions as a cooling means for cooling the lighting device main body 11 by blowing air toward the rotating body 15.
  • the blower main body 21 provided in the plant cultivation shelf 103 may be set as appropriate according to the amount of air necessary for rotating the rotating body 15 and the amount of air necessary for cooling the lighting device main body 11. .
  • the top wall 103b located in the upper surface of the plant planter 120 (in other words, the surface (inner wall) facing the plant planter 120 in the wall-shaped member 112 arranged above the plant planter 120) is used.
  • a reflective surface that reflects light is used.
  • the wall member 112 may be formed of a reflective plate such as a metal, and a reflective member such as a reflective plate or a reflective sheet may be attached to the surface.
  • the method for attaching the reflecting member to the surface of the wall member 112 is not particularly limited, and for example, a well-known fixing method such as sticking or screwing can be used.
  • the whole plant cultivation shelf 103 is covered with a reflection member as much as possible, and all the parts facing the plant planter 120 in the plant cultivation shelf 103 are all.
  • a reflective surface is preferable.
  • the plant cultivation shelf 103 may be a rectangular parallelepiped housing in which wall-like members 112 are provided on all six surfaces, and at least one wall-like member 112 may be detachably provided.
  • the plant planter 120 is provided by providing a reflecting surface on a portion of the plant cultivation shelf 103 facing the plant planter 120, such as by arranging a reflector on the portion of the plant cultivation shelf 103 facing the plant planter 120.
  • the light that has not been irradiated can be reused.
  • the ceiling wall 103b positioned on the upper surface of the plant planter 120 as a reflection surface as described above the light directed upward of the plant planter 120 can be returned to the plant planter 120.
  • FIGS. 4A to 4C are diagrams schematically showing an example of a schematic configuration of the illuminating device main body 11 according to the present embodiment.
  • FIG. 4A is an end view of the illuminating device main body 11.
  • FIG. 4B is a side view of the illuminating device main body 11, and
  • FIG. 4C is a perspective view of the illuminating device main body 11.
  • FIG. 4A is an end view of the illuminating device main body 11.
  • FIG. 4B is a side view of the illuminating device main body 11
  • FIG. 4C is a perspective view of the illuminating device main body 11.
  • FIGS. 1A and 1B are diagrams for explaining the light irradiation mechanism of the lighting apparatus main body 11 according to the present embodiment. Each of the plants 121 is rotated when the rotating body 15 is rotated. The optical path of the irradiated light is shown.
  • the illuminating device main body 11 includes a rotating body 15 that rotates about a rotating shaft 14, and And a light source 12.
  • the rotating body 15 used in the lighting device main body 11 according to the present embodiment is provided around the rotating shaft 14 so as to protrude outward. It is an impeller in which a blade portion 16 made of a plate-like member is formed.
  • the rotating body 15 has a configuration in which four blade portions 16 are formed in a cross shape around the rotating shaft 14 with a 90 ° separation from each other.
  • At least a part of the rotating body 15 is formed by the heat radiating member 17.
  • plate-like members made of a heat dissipation material are combined in a cross shape to form a main body (rotary body main body) of the rotary body 15 having four blade portions 16.
  • the rotating body 15 is formed of a cross-shaped heat radiating member 17, and a portion serving as a central axis of the rotating body 15 can be rotated as the rotating shaft 14.
  • the heat radiating member 17 is a member for radiating heat generated from the light source 12.
  • Examples of the material of the heat radiating member 17 include metals such as iron, aluminum, and copper.
  • the heat radiating member is not particularly limited as long as it has heat radiating properties. However, as described above, it is preferably made of a material having high heat radiating properties such as metal.
  • the rotating body 15 may be configured such that the mounting portion of the light source 12 is formed of a heat radiating member or the mounting portion of the light source 12 is provided with a heat radiating member.
  • the entire rotating body 15 is not necessarily formed of a heat radiating member, but it goes without saying that the heat radiating effect increases as the heat radiating area increases.
  • the light source 12 is attached to the heat radiating member 17. As a result, heat dissipation measures are taken.
  • the radiating member 17 is provided on the rotating body 15, and more specifically, the rotating body 15 is formed by the radiating member 17. Heat can be radiated efficiently. Thereby, it can suppress that the circumference
  • FIG. 1
  • the light sources 12 are respectively attached to the front and back surfaces of the blade portion 16 (blade surface) of the rotating body 15 as shown in FIGS. 4 (a) to 4 (c).
  • the light source 12 is composed of a general-purpose LED (light emitting diode) package. Although it does not specifically limit as the light source 12, Since the light quantity which the plant 121 requires is large, the thing with each large light emission amount is preferable.
  • the light source 12 is preferably an LED because of its low power consumption with respect to the amount of light emitted.
  • an LED package manufactured by Sharp Corporation in which a 24-chip light emitting element is built in one package used for LED illumination. Since such an LED package has individual light emitting elements mounted on a ceramic substrate, the LED package itself, that is, the ceramic substrate can be attached to the heat radiating member 17 for installation.
  • a top light emitting type LED is used as the light source 12.
  • the light source 12 has a direction intersecting (for example, orthogonal to) a straight line passing through the rotation shaft 14 and the light source 12, in other words, a blade plate (blade portion 16) to which the light source 12 is fixed. It has an optical axis in a direction intersecting the blade surface (plate surface).
  • the light sources 12 provided in the adjacent blade portions 16 have an optical axis in a direction intersecting with a straight line passing through each light source 12 and the rotation axis 14, and in a direction in which the optical axes directly intersect each other. Emits light. In other words, the light sources 12 provided in the adjacent blade portions 16 emit light in the direction in which the optical axes intersect at the same time.
  • the light sources 12 provided on the front and back surfaces of the same blade portion 16 have optical axes in the direction intersecting with a straight line passing through the respective light sources 12 and the rotation shaft 14, and have optical axes in opposite directions. is doing.
  • Each light source 12 pivots as the rotating body 15 rotates.
  • Each light source 12 has an optical axis in the tangential direction of the turning track 41 of the light source 12 indicated by a two-dot chain line in FIG.
  • the surface facing the turning direction in the blade portion 16 is defined as the front surface 16a
  • the surface facing the direction opposite to the turning direction is defined as the back surface 16b.
  • the light source 12 provided on the back surface 16b of the blade part 16 rotates so that the optical axis thereof is the optical axis of the light emitted from the light source 12 provided on the surface 16a of the blade part 16.
  • Light is emitted in a direction intersecting with. Accordingly, the light sources 12 provided on the front surface 16a and the back surface 16b of the blade portion 16 emit light in a direction in which the optical axes intersect each other with a time difference.
  • a surface facing the turning direction in the blade portion 16 is referred to as a front surface 16a, and a surface facing the direction opposite to the turning direction is referred to as a back surface 16b. .
  • FIG. 12 shows.
  • the number of the light sources 12 is not particularly limited, and may be set as appropriate according to the light amount of one light source 12 and the light amount required in the lighting device body 11.
  • the rotator 15 used in the present embodiment is a windmill that is rotated by wind power, and the motor drive control unit 31 drives and controls the motor 22 of the blower 2 to rotate the lighting device body 11. It functions as a rotation control unit to control.
  • the rotation mechanism (blower rotation mechanism) in the illumination system includes the blower 2 including the motor 22 and the blower body 21 and the motor drive control unit 31 in the control device 3.
  • the motor 22 of the blower 2 is turned ON / OFF in conjunction with the ON / OFF of the light source 12.
  • the electrical connection of the rotation mechanism including the electrical connection between the illumination device main body 11 provided with the light source 12 and the rotation mechanism may be a connection by wiring, or the connection by wiring is difficult. In some cases, electrical connection using a slip ring or the like may be used.
  • the blower 2 is turned ON / OFF in conjunction with the ON / OFF of the light source 12 by the motor drive control unit 31 driving and controlling the motor 22 of the blower 2 in conjunction with the lighting control unit 32, for example.
  • the motor drive control unit 31 turns on / off the blower 2 in synchronization with a timing signal for turning on / off the light source 12.
  • the lighting control unit 32 may include, for example, a timer unit, and may turn on / off the light source 12 every predetermined time, and may be stored in a storage unit such as a ROM (Read Only Memory) or a RAM (Random Access Memory).
  • the light source 12 may be turned on / off by software based on the stored lighting control program.
  • the rotation direction of the rotating body 15 can be changed by changing the blowing direction of the blower 2.
  • the blowing direction of the blower 2 can be changed, for example, by changing the rotation direction of the fan or the direction of the wind plate (louver).
  • the rotational speed (rotational speed) of the rotating body 15 can be changed according to the air flow rate of the blower 2 (for example, the rotational speed of the fan).
  • the motor drive control unit 31 includes, for example, a timer unit, or drives and controls the motor 22 so that the blowing direction, the blowing amount, and the like of the blower 2 change every predetermined time according to a signal from the timer unit of the lighting control unit 32.
  • the blowing direction and the air volume of the blower 2 may be changed by software based on a wind direction control program, an air volume control program, or the like stored in a storage unit such as a ROM or a RAM.
  • the motor drive control unit 31 may change the air volume of the blower 2 according to the temperature in the plant cultivation room 102 measured by the temperature sensor 106.
  • the motor drive control unit 31 drives and controls the motor 22 on the basis of a signal sent from a remote operation terminal such as an operation panel or a remote control, thereby changing the ON / OFF of the blower 2, the blowing direction, the blowing amount, and the like.
  • the motor 22 may be manually turned ON / OFF by the user.
  • the rotating body 15 can be freely rotated.
  • the lighting control part 32 can perform ON / OFF control of the light source 12.
  • the lighting device main body 11 and the plant planter 120 are alternately arranged side by side on the plant cultivation shelf 103.
  • the illumination device 1 rotates the light source 12 attached to the blade 16 by rotating the illumination device main body 11, that is, the rotating body 15 to which the light source 12 is attached.
  • the rotation direction of the rotator 15 is set to a direction toward the plant planter 120 disposed adjacent to the lighting device main body 11.
  • FIG. 1B shows a state in which the rotating body 15 is rotated 45 ° clockwise from the state shown in FIG.
  • the lighting device main body 11 is arranged on the side of the plant planter 120, and light is irradiated from the side of the plant 121.
  • the light sources 12 provided in the adjacent blade portions 16 have an optical axis in a direction intersecting with a straight line passing through each light source 12 and the rotation shaft 14. And light is radiate
  • each blade portion 16 of the rotating body 15 is moved in the order of 16A in the clockwise direction from the 12 o'clock direction (that is, the top wall 103b side).
  • 16B, 16C, and 16D the light source 12 provided on the front surface 16a side of the blade portion 16A is referred to as a light source 12A1
  • the light source 12 provided on the back surface 16b side is referred to as a light source 12A2.
  • the light sources 12 provided on the front surface 16a side of the blade portions 16B, 16C, and 16D are referred to as light sources 12B1, 12C1, and 12D1, respectively, and the light source 12 provided on the back surface 16b side is provided as the light sources 12B2, 12C2, and 12D2, respectively.
  • the rotating body 15 when the rotating body 15 is rotated, for example, clockwise as shown in FIG. 1B from the state shown in FIG.
  • the planter 120 is irradiated with light emitted from the light source 12A1 provided on the surface 16a side of the blade portion 16A in order from the top to the bottom.
  • light is irradiated to the front side of the leaf of the plant 121 planted in the plant planter 120 by the light source 12A1.
  • the light source 12B2 provided on the back surface 16b side of the blade portion 16B located in front of the turning direction.
  • the light emitted from the light source 12C1 provided on the surface 16a side of the blade portion 16C located in the 6 o'clock direction (that is, the bottom wall 103a side) is incident on the plant planter 120 adjacent to the left side of the lighting device body 11. Irradiated in order from the bottom to the top. Thereby, light is irradiated to the back side of the leaf of the plant 121 planted in the plant planter 120 by the light source 12C1. At the same time, light is irradiated on the front side of the leaves of the plant 121 by the light source 12D2 provided on the back surface 16b side of the blade portion 16D located in front of the turning direction.
  • the plant 121 is irradiated with light in the reverse pattern when rotated clockwise.
  • the light source 12 can be compared with the case where the light source 12 is provided only on one surface of the blade portion 16.
  • the amount of light that is irradiated increases.
  • light is emitted from the light sources 12 provided in the adjacent blade portions 16 in a direction in which the optical axes intersect with each other, so that the light source 12 is applied only to one surface of the blade portion 16, for example, the surface 16a.
  • the plant 121 can be directly irradiated with light from more directions.
  • the light source is fixed, or even if the light source is moved, the positional relationship between the light source that actually irradiates light to the plant and the plant and the direction of the light do not change.
  • the angle of light applied to the plant using the reflected light by providing the reflective material in the plant cultivation room (for example, a plant cultivation shelf).
  • the reflected light has spectral absorption of light by the reflecting material. For this reason, depending on the wavelength of the light irradiated to the plant, the light originally emitted from the light source may be reflected, so that the spectrum originally possessed by the light source such as the LED may slightly change before reaching the plant. There is.
  • the light emission direction from the light source 12 can be arbitrarily changed, and the plant 121 can be changed.
  • the position and irradiation angle of the light source 12 can be changed.
  • the reflected light is used because there are a plurality of light sources 12 having different light emission directions as described above. Even if not, for example, not only the front side of the leaf but also the back side of the leaf can be efficiently and directly irradiated with the light emitted from the light source 12.
  • the light source 12 is provided on both surfaces of the blade portion 16 as described above, so that the rotating body 15 is in a direction intersecting with a straight line passing through each light source 12 and the rotation shaft 14.
  • the direct light directly irradiated from the light source 12 to the plant 121 is increased. be able to.
  • the to-be-irradiated object is the plant 121
  • it becomes possible to irradiate more light including the wavelength required for the plant 121 the growth of the plant 121 is promoted. Can do.
  • the position of the light source 12 with respect to the plant 121 changes, so that light can be applied to the plant 121 from various directions. Further, the light distribution can be easily adjusted by the light source 12 turning.
  • the rotator 15 can freely rotate, and light is emitted from the light source 12 provided in the adjacent blade section 16 in the direction in which the optical axes intersect.
  • the plant 121 can be irradiated with light from various directions in the same manner as the sun rises and the sun sets.
  • the surface facing the plant planter 120 in the plant cultivation shelf 103 is a reflective surface that reflects light, so that the light that has not been irradiated to the plant planter 120 is reflected by the reflective surface.
  • the light can be reflected and guided to the plant planter 120 again, and the plant 121 can be irradiated with light from multiple directions.
  • the lighting device 1 can be used to irradiate the plant 121 with light from various directions, but the housing member that houses the lighting device 1, particularly the lighting device body 11.
  • the housing member that houses the lighting device 1, particularly the lighting device body 11. By making the inner surface of the light reflecting surface, it is possible to increase the light use efficiency and to irradiate the plant 121 with light from various directions.
  • the light source 12 is directly attached to the heat radiating member 17. As shown in FIGS. 1 (a) and 1 (b) and FIGS. 4 (a) to 4 (c), the surface of the heat radiating member 17 is exposed except for the mounting portion of the light source 12, and nothing is covered. Not. Therefore, the heat dissipation effect is high, and even if the light source 12 is provided on both the front and back surfaces of the blade portion 16 as described above, it is possible to suppress the surroundings of the plant 121 from being heated due to heat generated from the light source.
  • the position of the light source 12 relative to the plant 121 that is the object to be irradiated is changed by the light source 12 turning.
  • the heat dissipation efficiency is improved by the light source 12 turning.
  • the rotating body 15 is an impeller, and the light source 12 is attached to the blade portion 16, so that the air is agitated by the swiveling movement of the blade portion 16, thereby further improving the heat dissipation efficiency. improves.
  • the rotating body 15 is rotated by the air blown from the blower 2.
  • the light source 12 attached to the rotating body 15 can be cooled.
  • the air blown from the blower 2 is not always applied to the plant planter 120 from a certain direction by the rotation of the rotating body 15, but comes from various directions. Therefore, it becomes possible to make the environment closer to nature for the plant 121 planted in the plant planter 120.
  • the air in the plant cultivation shelf 103 is agitated and circulated by both the air generated by the turning movement of the blade portion 16 and the air from the blower 2. For this reason, air agitation and circulation efficiency can be improved, and the growth of the plant 121 planted in the plant planter 120 can be promoted.
  • the blower 2 also functions as a cooling unit that cools the lighting device main body 11 by blowing air toward the rotating body 15.
  • the blower main body 21 provided in the plant cultivation shelf 103 may be set as appropriate according to the amount of air necessary for rotating the rotating body 15 and the amount of air necessary for cooling the lighting device main body 11. .
  • the air in the plant cultivation shelf 103 is stirred and circulated by both the ventilation produced by the turning movement of the blade part 16 and the ventilation from the blower 2.
  • the motor drive control unit 31 drives and controls the motor 22 of the blower 2 in conjunction with the lighting control unit 32 as described above, while depending on the temperature in the plant cultivation room 102 measured by the temperature sensor 106, You may perform control of the ventilation volume of the air blower 2, and ON / OFF control of the air blower 2 in the light extinction period of the light source 12 in the illuminating device 1.
  • FIG. 6 is a diagram schematically illustrating another arrangement example of the blower body 21.
  • the blower main body 21 is attached to the bottom wall 103a of the plant cultivation shelf 103 and is illustrated as an example in which air is blown upward from below.
  • the present embodiment is not limited to this.
  • the blower body 21 may be blown from the top to the bottom. Both the bottom wall 103 a and the top wall 103 b A blower body 21 may be provided.
  • the blower body 21 may be provided anywhere as long as the rotating body 15 can be rotated by blowing air.
  • the cooling efficiency of the rotating body 15 can be increased by increasing the amount of air blown by the blower 2 or increasing the number of fans 2 installed.
  • the blower body 21 is provided not only on the bottom wall 103a of the plant cultivation shelf 103 but also on the top wall 103b.
  • blower main body 21 When the blower main body 21 is provided on both the bottom wall 103a and the top wall 103b, it is possible to blow air from both the upper and lower directions by shifting the positions of the upper and lower blower main bodies 21 as shown in FIG.
  • blower main body 21 on both the bottom wall 103a and the top wall 103b as described above, air convection inside the plant cultivation shelf 103 can be efficiently performed.
  • the shape of the rotating body 15 is not limited to this.
  • FIG. 7 is an end view showing a schematic configuration of another illumination device main body 11 according to the present embodiment.
  • the rotating body 15 may have a configuration in which a shaft portion that becomes the rotating shaft 14 is made of a heat dissipation material and swells more than the blade portion 16. Thereby, the thermal radiation area in the end surface of the rotating shaft 14 by the thermal radiation member 17 can be expanded, and the thermal radiation efficiency of the light source 12 can be improved.
  • the formation method of the rotary body 15 is not specifically limited, Well-known methods, such as injection molding and metal mold
  • FIGS. 1A and 1B, FIGS. 4A to 4C, and FIG. 7, the case where the blade portion 16 is formed in a plate shape is shown as an example.
  • blade part 16 may be curving and may have a twist angle. Thereby, the function as a windmill can be improved.
  • the light source 12 is an LED (LED package) has been described as an example.
  • the light source 12 is not limited to the LED, and may be a solid light emitting element other than the LED, such as a laser diode. As described above, by using a solid light emitting element such as an LED or a laser diode as the light source 12, the illumination device body 11 can be downsized.
  • the LED package may be provided with a lens. Thereby, the optical path of the light emitted from the light source 12 can be changed.
  • the LED package provided with a lens a well-known one such as a so-called lens-integrated LED package in which a sealing resin and a lens are combined, or an LED package with a separate lens is used. it can. In addition, there are various uses such as narrowing the light, spreading the light, and reducing the light only above the LED.
  • the rotating body 15 rotates, so that in any case, the plant 121 can be viewed from various directions. It is possible to irradiate light.
  • the light source 12 is not limited to a point light source such as a solid light-emitting element, and may be, for example, a cold cathode depending on the scale and use of an electronic device such as an illumination system provided with the illumination device 1 or a plant cultivation device.
  • a so-called linear light source represented by a straight tube light source such as a tube or a hot cathode tube may be used, or an incandescent bulb or a halogen lamp may be used.
  • the to-be-illuminated object was a plant, and it demonstrated as an example the case where the illuminating device 1 concerning this Embodiment and the illumination system were mounted in a plant cultivation apparatus.
  • the present embodiment is not limited to this.
  • the lighting device 1 and the lighting system according to the present embodiment are used for artificially irradiating a plant with light in a plant cultivation factory, a glass greenhouse, a greenhouse, or the like that is larger than the plant cultivation device. be able to.
  • the object to be illuminated is not limited to plants, and various inorganic or organic substances can be targeted.
  • the lighting device 1 and the lighting system according to the present embodiment for example, as a lighting device and a lighting system in roads such as tunnels, stadiums, studios, theaters, etc., irradiate light in various directions, and also provide heat dissipation measures and effects of ventilation. It can be used in various environments where is expected.
  • FIG. 8 is a block diagram showing a schematic configuration of a main part of the illumination system according to the present embodiment.
  • FIGS. 9A to 9C are diagrams schematically showing an example of a schematic configuration of the illuminating device main body 11 according to the present embodiment.
  • FIG. FIG. 9B is a side view of the illuminating device main body 11
  • FIG. 9C is a perspective view of the illuminating device main body 11.
  • the lighting system includes a lighting device 1 and a control device 3. In the example illustrated in FIG. 8, the lighting system does not include the blower 2.
  • a rotation mechanism (power rotation mechanism) that rotates the rotation shaft of the rotation body 15 by a power source is provided as a rotation mechanism that rotates the rotation body 15.
  • the rotating mechanism (power rotating mechanism) is a motor that rotates the rotating shaft 14 of the rotating body 15 with electric power as shown in FIG. 8 instead of the rotating mechanism (fan rotating mechanism) shown in FIG.
  • the first embodiment is different from the first embodiment in that it includes 51 (power source, rotation source) and a motor drive control unit 52 (rotation control unit) that controls the rotation of the rotating body 15 by controlling the drive of the motor 51. Is different.
  • the illumination device 1 includes a motor 51 connected to the rotary shaft 14 as shown in FIGS.
  • the control device 3 includes a motor drive control unit 52 that controls the drive of the motor 51 instead of the motor drive control unit 31 that controls the drive of the motor 22 of the blower 2. .
  • the motor 51 since the motor 51 is connected to the rotating shaft 14 of the rotating body 15 as described above, the rotating body 15 is automatically rotated by the motor 51.
  • each apparatus (each part) of the illumination system shown in FIG. 8 is attached to the plant cultivation apparatus main body 101 instead of each apparatus (each part) of the illumination system shown in FIG. It has a configuration.
  • FIG. 10 is a perspective view schematically showing a schematic configuration of a main part of the plant cultivation apparatus 100 according to the present embodiment.
  • the lighting device main body 11 in the lighting device 1 and the blower main body 21 in the blower 2 are installed on the plant cultivation shelf 103 as in the first embodiment.
  • the motor 51 connected to the rotating shaft 14 is linked to ON / OFF of the light source 12 by the motor drive control unit 52 driving and controlling the motor 51 in conjunction with the lighting control unit 32, for example. Is turned ON / OFF.
  • the motor drive control unit 52 turns the motor 51 on and off in synchronization with a timing signal for turning on and off the light source 12.
  • the lighting control unit 32 may include, for example, a timer unit, and may turn on / off the light source 12 every predetermined time, and may be a ROM (Read Only Memory) or a RAM (Random Access Memory).
  • the light source 12 may be turned ON / OFF by software based on a lighting control program stored in a storage unit such as).
  • rotation direction and the rotation speed (rotation speed) of the rotating body 15 can be changed by changing the rotation direction and the number of rotations of the motor 51.
  • the motor drive control unit 52 includes, for example, a timer unit, or drives and controls the motor 51 so that the rotation direction and the number of rotations of the motor 51 change every predetermined time according to a signal from the timer unit of the lighting control unit 32.
  • the rotation direction and the number of rotations of the motor 51 may be changed by software based on a wind direction control program, an air volume control program, or the like stored in a storage unit such as a ROM or a RAM.
  • the motor drive control unit 52 may change the rotation speed of the motor 51 according to the temperature in the plant cultivation room 102 measured by the temperature sensor 106.
  • the motor drive control unit 52 controls the motor 51 based on signals sent from a remote operation terminal such as an operation panel or a remote controller, so that the motor 51 is turned on / off and rotated.
  • a remote operation terminal such as an operation panel or a remote controller
  • the direction, the number of rotations, and the like may be changed, or the user may be able to manually turn on / off the motor 22.
  • the rotating body 15 can be freely rotated.
  • the plant 121 can be irradiated with light from various directions as described later, and the lighting control unit 32 can perform ON / OFF control of the light source 12.
  • FIGS. 11A and 11B are diagrams for explaining the light irradiation mechanism of the lighting apparatus main body 11 according to the present embodiment.
  • Each of the plants 121 is irradiated when the rotating body 15 is rotated. It shows the optical path of the light.
  • FIG. 11B shows a state in which the rotating body 15 is rotated 45 ° clockwise from the state shown in FIG.
  • the rotation of the rotating body 15 causes the heat radiation of the light source 12 and the blowing of air to the plant 121. Do. For this reason, in order not to lower the cooling effect of the light source 12 and to blow air to the plant 121, the rotation number of the rotating body 15 is set in consideration of the internal space of the plant cultivation shelf 103, the number of the light sources 12, and the like. It is desirable to set the optimal value.
  • the motor 51 is configured so that the number of rotations can be set as appropriate.
  • the number of rotations of the rotating body 15 is determined by the amount of air blown, but the driving force is transmitted to the rotating body 15 through the air. .
  • the rotating shaft 14 is driven by the motor 51, so that the rotating body 15 can be stably compared with the case where the rotating body 15 is rotated by blowing air from the blower 2. Can be rotated.
  • the heat dissipation of the blade portion 16 of the rotating body 15 and the rotation speed of the rotating body 15 suitable for sending wind to the plant can be easily set by adjusting the rotation speed of the motor 51.
  • the rotating body 15 is autonomously rotated by rotating the rotating body 15 directly by the motor 51.
  • Wind is generated by the autonomous rotation of the rotating body 15, and the wind can be applied to the plants 121 of the adjacent plant planters 120 as shown in FIGS. 11 (a) and 11 (b).
  • the generated wind is also used for cooling the light source 12 attached to the blade portion 16 of the rotating body 15.
  • the illumination light is preferably pulsed light (including pseudo pulsed light).
  • pulsed light including pseudo pulsed light.
  • the rotating body 15 When the rotating body 15 is rotated by air blowing as in the first embodiment, it is not easy to rotate the rotating body 15 at a high speed, although it depends on the size and weight of the rotating body 15. However, when the rotating body 15 is directly driven to rotate by the motor 51 as in the lighting device 1 according to the present embodiment, the rotating body 15 can be easily rotated at high speed.
  • rotating the rotating body 15 using the motor 51 as a driving source facilitates high-speed rotation of the rotating body 15 and easily obtains pseudo pulse light. preferable.
  • the rotation speed can be arbitrarily changed, and the rotation speed of the rotating body 15 is changed by the amount of air blown from the blower 2 as in the first and second embodiments.
  • the rotation speed can be changed more simply.
  • the rotation of the rotating body 15 radiates the light source 12 and blows air to the plant 121.
  • the air in the plant cultivation shelf 103 is agitated and circulated by the air generated by the rotational movement of the blade portion 16.
  • the motor drive control unit 52 drives and controls the motor 22 of the blower 2 in conjunction with the lighting control unit 32 as described above, while depending on the temperature in the plant cultivation room 102 measured by the temperature sensor 106, Control of the number of rotations of the motor 51 and ON / OFF control of the motor 51 during the extinguishing period of the light source 12 in the lighting device 1 may be performed.
  • the motor 51 is directly connected to the rotating shaft 14 and directly transmits the driving force to the rotating shaft 14.
  • the present invention is not limited to this.
  • the motor 51 may be connected to each rotating body 15, or a motor 51 (rotating source) is provided separately from the rotating body 15, and the plurality of rotating bodies 15 rotate uniformly at the same time with a belt or the like. It does not matter as a possible configuration.
  • FIG. 12 is a perspective view schematically showing a schematic configuration of another illumination apparatus 1 according to the present embodiment.
  • illustration of the light source 12, the plant planter 120, the plant cultivation shelf 103, and the like is omitted for simplification of illustration.
  • the illuminating device 1 shown in FIG. 12 includes a plurality of rotating bodies 15, a motor 51 is provided separately from these rotating bodies 15, and the plurality of rotating bodies 15 can be uniformly rotated simultaneously by a belt 65.
  • each rotating body 15 is connected to a connecting post 61.
  • Each rotary shaft 14 connected to the connecting column 61 is provided with a gear portion 62.
  • a motor 51 connected to a rotating shaft 64 having a gear portion 63 is connected to the connecting column 61 as a power source (rotating source).
  • belts 65 that transmit the rotational force generated from the motor 51 to the gear portions 62 via the gear portions 63 are stretched between the gear portions 63 of the rotation shafts 64 and the gear portions 62 of the rotation shafts 14. It is built.
  • the motor 51 rotates each rotating shaft 14 via the gear portion 62 provided on each rotating shaft 14 by rotating the belt 65 via the gear portion 63 provided on the rotating shaft 64. Thereby, each rotary body 15 rotates.
  • the rotating body 15 is rotated by the motor 51.
  • the present embodiment is not limited to this.
  • the rotation number (rotation speed) of the rotator 15 can be easily adjusted, and the heat of the light source 12 can be adjusted. The amount of heat dissipation can be adjusted.
  • the rotational speed and direction of rotation are easier to control than when the rotating body 15 is rotated using external force from the blower 2 or the like, and high-speed rotation is possible as described above.
  • the lighting device 1 is used.
  • it may be driven mechanically using a mainspring or the like.
  • the light source 12 attached to the rotating body 15 can be cooled by further arranging the blower 2 in the plant cultivation shelf 103.
  • the air blown from the blower 2 is not always applied to the plant planter 120 from a certain direction by the rotation of the rotating body 15, but comes from various directions. Therefore, it becomes possible to make the environment closer to nature for the plant 121 planted in the plant planter 120.
  • the air in the plant cultivation shelf 103 is stirred and circulated by both the blown air generated by the swirling movement of the blade portion 16 and the blown air from the blower 2. For this reason, air agitation and circulation efficiency can be improved, and the growth of the plant 121 planted in the plant planter 120 can be promoted.
  • FIG. 13 is an end view schematically showing a schematic configuration of the illumination device main body 11 according to the present embodiment.
  • the case where the four blade portions 16 are formed in a cross shape 90 ° apart from each other around the rotating shaft 14 is illustrated as an example.
  • the illuminating device main body 11 shown in FIG. 13 shows a case where eight blade portions 16 are formed at equal intervals with an interval of 45 °.
  • the number of blade portions 16 formed on the rotating body 15 is not particularly limited.
  • the area on which the light source 12 can be mounted increases, and a greater amount of light can be irradiated to the plant 121.
  • FIG. 14 is an end view schematically showing a schematic configuration of another illuminating device main body 11 according to the present embodiment.
  • Embodiments 1 and 2 and the example shown in FIG. 13 illustrate the case where each blade portion 16 is formed in a line-symmetric position with the rotation shaft 14 in between. Moreover, in FIG. 13, the case where the number of the blade
  • the area of the blade portion 16 on which the light source 12 can be mounted can be increased.
  • FIG. 15 is an end view schematically showing a schematic configuration of still another illumination device main body 11 according to the present embodiment.
  • the light source 12 is attached only to one surface of each blade portion 16, and is attached to surfaces facing each other in the adjacent blade portion 16.
  • each light source 12 crosses a straight line passing through each light source 12 and the rotation shaft 14. Since the light is emitted in the direction in which the optical axes intersect with each other, the plant 121 can be irradiated with light from multiple directions at the same time.
  • FIG. 16 is an end view schematically showing a schematic configuration of still another lighting device main body 11 according to the present embodiment.
  • each light source 12 emits light in a direction intersecting a straight line passing through each light source 12 and the rotation axis 14. Since the light is emitted in a direction that has an axis and intersects with each other, the plant 121 can be irradiated with light from multiple directions at the same time.
  • each light source 12 has an optical axis in a direction intersecting with a straight line passing through each light source 12 and the rotation axis 14, and is formed so as to emit light in a direction in which the mutual optical axes intersect. If it is, the number of the blade portions 16 is not particularly limited.
  • FIG. 17 is an end view schematically showing a schematic configuration of still another illumination device main body 11 according to the present embodiment.
  • each light source 12 is formed in opposite directions, and there is no light source 12 formed facing each other. For this reason, the light emitted from each light source 12 is not emitted in the direction in which the optical axes intersect at the same time as shown in FIGS. 1A and 1B, for example.
  • the light source 12 provided on the back surface 16 b of the blade portion 16 is rotated by the light source 12 so that its optical axis is the blade portion 16.
  • the light is emitted in a direction crossing the optical axis of the light emitted from the light source 12 provided on the surface 16a. That is, the light sources 12 provided on the front surface 16a and the back surface 16b of the blade portion 16 emit light in a direction in which the optical axes intersect with each other with a time difference.
  • the light source 12 is provided only on one side of the blade portion 16, for example, the surface 16a, even if the rotating body 15 is rotated in the reverse direction, the light is radiated through the route opposite to that in the normal rotation. Only. For this reason, when irradiating light directly to the plant 121 without using reflected light, the back side of the leaf of the plant 121 cannot be irradiated.
  • each light source 12 is a light source 12. Since the optical axes are opposite to each other in the direction intersecting (for example, orthogonal to) the straight line passing through the rotation axis 14, specifically, the tangential direction of the turning trajectory 41 of each light source 12, The light can be emitted in the direction in which the optical axes intersect.
  • the plant 121 can also be irradiated with light from multiple directions, and light can be emitted not only on the front side but also on the back side of the leaves of the plant 121. Irradiation is possible.
  • FIG. 18 is an end view schematically showing a schematic configuration of still another illumination device main body 11 according to the present embodiment.
  • each light source 12 has an optical axis in a direction intersecting with a straight line passing through each light source 12 and the rotation shaft 14 and is provided so as to emit light in a direction in which the respective optical axes intersect. If so, the position of the light source 12 is not particularly limited.
  • FIG. 19 is an end view schematically showing a schematic configuration of still another illumination device main body 11 according to the present embodiment.
  • the rotating body 15 has the blade portion 16, and the blade portion 16 is provided with a top light emitting LED as the light source 12. Shown with illustrations.
  • the rotating body 15 is formed in a cylindrical shape or a spherical shape, for example, and does not have the blade portion 16.
  • the top light emitting type LED When the top light emitting type LED is used in such a rotating body 15, the light emitted from the light source 12 only spreads radially, and the positional relationship between the light source 12 and the plant 121 does not change even if the light source 12 is turned. .
  • a plurality of light sources 12 are provided, and side-emitting LEDs are used as the light sources 12, and each light source 12 intersects a straight line passing through each light source 12 and the rotation shaft 14.
  • the optical axis is provided in the direction in which light is emitted, and the light is emitted in a direction in which the optical axes intersect each other.
  • the lighting device body 11 has the above-described configuration, so that the plant 121 is irradiated with light from multiple directions even when the rotating body 15 does not have the blade portion 16. It is possible to irradiate light not only on the front side of the leaves of the plant 121 but also on the back side.
  • the rotating shaft 14 of the rotating body 15 is used. Can be bigger. Therefore, the area of the heat dissipation member 17 can be increased, and the heat dissipation efficiency can be increased by turning the light source 12 in a swiveling manner.
  • At least two light sources 12 are provided. In this case, only one pair of light sources 12 that irradiate light in opposite directions may be provided, and the two light sources 12 may be provided apart from each other so as to irradiate light in directions facing each other. Also good.
  • the plant 121 can be irradiated with light from multiple directions by the same mechanism as that of the modified example 5 shown in FIG.
  • the plant 121 can be irradiated with light from multiple directions by the same mechanism as that of the modified example 3 or 4 shown in FIG.
  • an illumination device includes at least one rotating body that rotates around a rotation axis, and at least two that are fixed to the rotating body and pivoted as the rotating body rotates. And at least two of the light sources have an optical axis in a direction intersecting with a straight line passing through each light source and the rotation axis, and light in a direction in which the optical axes intersect with each other. Is emitted.
  • the optical axes of at least two light sources out of the light sources are opposite to each other, and the at least two light sources having the opposite optical axes rotate to move each other.
  • At least two of the light sources have an optical axis in a direction intersecting with a straight line passing through each light source and the rotation axis, and the optical axes are opposite to each other.
  • light can be emitted from each light source in a direction in which the optical axes intersect with each other by rotating the light source. Therefore, the effects described above can be obtained.
  • the rotating body is an impeller having at least one blade portion provided to protrude outward around the rotation shaft, and at least two light sources among the light sources include the blade portion. It is preferable that it is respectively fixed to the front and back surfaces.
  • At least two of the blade portions are provided around the rotation axis at a predetermined angle, and the light sources are respectively fixed to the front and back surfaces of the adjacent blade portions.
  • the light sources fixed to the surfaces facing each other emit light at the same time in the direction in which the optical axes directly intersect each other, and the light sources fixed to the front and back surfaces of the same blade part are rotated by the light source, It is preferable to emit light in a direction in which the optical axes cross each other.
  • the light sources fixed on the front and back surfaces of the same blade part can emit light in a direction in which the optical axes intersect with each other with a time difference, and surfaces facing each other in adjacent blade parts.
  • the light source fixed to light can be emitted simultaneously in the direction in which the optical axes directly intersect each other. Therefore, according to the above configuration, the irradiated object can be irradiated with light from more than one direction at the same time.
  • configuration (2) instead of the configuration (1), at least two light sources among the light sources are provided in directions facing each other, and emit light simultaneously in a direction in which the optical axes directly intersect each other. It may have a configuration (hereinafter referred to as “configuration (2)”).
  • At least two of the light sources have an optical axis in a direction crossing a straight line passing through each light source and the rotation axis, and are provided in directions facing each other.
  • light can be emitted from each light source simultaneously in the direction in which the optical axes directly intersect each other. Therefore, also in the configuration (2), the above-described effect can be obtained.
  • to-be-irradiated object can be simultaneously irradiated with light from more than one direction.
  • At least two blade portions protruding outward are provided around the rotation axis of the rotating body at a predetermined angle, and at least two light sources among the light sources are provided. Are provided on the surfaces of the adjacent blade portions facing each other, and it is preferable to emit light simultaneously in a direction in which the optical axes directly intersect each other.
  • the blade is provided around the rotating shaft so as to protrude outward, so that wind is generated by the rotation of the rotating body.
  • the wind generated by the rotation of the rotating body can be used for cooling the light source.
  • the air around the rotating body can be stirred and circulated by this wind. Therefore, according to the above configuration, air agitation and circulation efficiency can be improved, so that when the object to be illuminated is a plant, for example, the growth of the plant can be promoted.
  • the rotating body includes a heat radiating member.
  • the heat generated from the light source can be efficiently radiated by the heat radiating member.
  • the illumination device as described above, it is possible to irradiate the irradiated object from various directions without using the reflected light. Therefore, not only can the light source be directly attached to the heat radiating member, but also the surface of the heat radiating member can be exposed except for the mounting portion of the light source. Therefore, a high heat dissipation effect can be obtained.
  • the light source is preferably a light emitting diode.
  • the lighting device preferably includes a power source that rotates the rotating shaft and a rotation control unit that controls the rotation of the rotating body.
  • the lighting device since the lighting device includes the power source that rotates the rotating shaft, the driving force can be directly transmitted to the rotating body, for example.
  • the rotating body can be stably rotated as compared with the case where the rotating body is rotated by blowing air from a blower, and the number of rotations and the rotation direction of the rotating body can be easily controlled, and the rotating body can be rotated at high speed. It becomes possible. For this reason, it becomes possible to irradiate the object to be illuminated with, for example, pseudo pulsed light.
  • the lighting system includes at least one lighting device.
  • the said illumination system while being able to irradiate light to a to-be-illuminated object from various directions, it prevents that the circumference
  • the lighting system includes at least one lighting device and a blower that rotates the rotating body of the lighting device by blowing air.
  • the rotating body in the lighting device can be rotated and the light source fixed to the rotating body can be cooled. Further, since the air blown from the blower also hits the object to be illuminated, it is possible to prevent the surroundings of the object to be illuminated from becoming a high temperature.
  • the wind ventilated from the air blower hits a to-be-illuminated object from various directions. Therefore, for example, when the object to be illuminated is a plant, an environment closer to nature can be achieved.
  • the illumination system further includes a housing member that houses the lighting device, and an inner wall of the housing member has a reflective surface.
  • the said illumination system is a plant accommodation member in which the said accommodation member accommodates a plant inside, The space which accommodates a plant in the said plant accommodation member in the direction orthogonal to the rotating shaft of the said illuminating device in a horizontal surface. It is preferable that the said illuminating device is arrange
  • the lighting device is arranged on the side of the plant, and light is irradiated from the side of the plant.
  • the direction of light emission from the light source can be arbitrarily changed, and the position and irradiation angle of the light source with respect to the plant can be changed. For this reason, light can be applied to plants from various directions.
  • the plant cultivation apparatus includes the lighting system.
  • the lighting device and the lighting system of the present invention are suitably used for artificial lighting under various environments in which light is radiated in various directions and effects of heat dissipation measures and ventilation are expected, such as plant cultivation devices. be able to.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Cultivation Of Plants (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Abstract

La présente invention porte sur un dispositif d'éclairage, qui comporte au moins un corps en rotation (15) qui tourne autour d'un axe de rotation (14) et de multiples sources lumineuses (12) qui sont fixées au corps en rotation (15) et tournent avec la rotation du corps en rotation (15). Chaque source lumineuse (12) a un axe optique dans une direction coupant la ligne droite passant à travers la source lumineuse (12) et l'axe de rotation (14), et émet une lumière dans une direction coupant les axes optiques d'autres sources lumineuses.
PCT/JP2012/069044 2011-08-15 2012-07-26 Dispositif d'éclairage, système d'éclairage, dispositif de culture de plantes WO2013024681A1 (fr)

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JP2011-177565 2011-08-15

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734830A (en) * 1984-05-30 1988-03-29 Sun Circle, Inc. Method and apparatus for artificially illuminating vegetation
JPH11155373A (ja) * 1997-11-21 1999-06-15 Et Harvest:Kk 植物栽培方法及び装置
JP2007141734A (ja) * 2005-11-21 2007-06-07 Toshiba Lighting & Technology Corp 照明装置
JP2008091201A (ja) * 2006-10-02 2008-04-17 Nec Lighting Ltd 照明器具付き天井扇風装置
JP2008190486A (ja) * 2007-02-07 2008-08-21 Nec Lighting Ltd 回転翼面灯具付シーリングファン
JP2011120557A (ja) * 2009-12-14 2011-06-23 Tokyo Univ Of Agriculture & Technology 植物栽培システム
JP2012120477A (ja) * 2010-12-08 2012-06-28 Showa Denko Kk 植物栽培用の照明装置および植物栽培装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734830A (en) * 1984-05-30 1988-03-29 Sun Circle, Inc. Method and apparatus for artificially illuminating vegetation
JPH11155373A (ja) * 1997-11-21 1999-06-15 Et Harvest:Kk 植物栽培方法及び装置
JP2007141734A (ja) * 2005-11-21 2007-06-07 Toshiba Lighting & Technology Corp 照明装置
JP2008091201A (ja) * 2006-10-02 2008-04-17 Nec Lighting Ltd 照明器具付き天井扇風装置
JP2008190486A (ja) * 2007-02-07 2008-08-21 Nec Lighting Ltd 回転翼面灯具付シーリングファン
JP2011120557A (ja) * 2009-12-14 2011-06-23 Tokyo Univ Of Agriculture & Technology 植物栽培システム
JP2012120477A (ja) * 2010-12-08 2012-06-28 Showa Denko Kk 植物栽培用の照明装置および植物栽培装置

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