JP3189886U - Plant factory lighting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting device which solves a problem of waste heat of a closed plant factory in which an LED plant growing lamp is provided. SOLUTION: A cultivation shelf for cultivating a plant is provided inside a building, an LED plant growing lamp 20 is arranged above the cultivation shelf, and the light of the LED plant growing lamp 20 is applied to a plant on the cultivation shelf. Irradiate. The LED plant growing lamp 20 is composed of an elongated substrate made of a hollow pipe, an LED substrate fixed to the substrate, and a light emitting diode attached to the LED substrate. A liquid circulation path 52 is provided, a radiator 62 arranged outdoors is connected to the liquid circulation path 52, the LED plant growing lamp 20 is cooled by the cooling water cooled by the radiator 62, and the LED plant growing lamp 20 is used. Suppress the heat generation of. [Selection diagram] Fig. 2

Description

  The present invention relates to a plant factory lighting device using an LED (light emitting diode) plant growing lamp.

  2. Description of the Related Art A plant factory lighting device that can save energy by using an artificial light lighting system and a solar light lighting system that uses natural energy has been known (see, for example, Patent Document 1).

JP 2011-216427 A

In an enclosed plant factory, when an LED plant growing lamp using an LED (light emitting diode) as a light source is used, the LED plant growing lamp emits high heat, so exhaust heat of the plant factory becomes an important problem.
The main purpose of the present invention is to solve the problem of exhaust heat of plant factories where LED plant growing lights are deployed.
Another object of the present invention is to provide a lighting device that can be used for indoor heating of a plant factory in winter.

In order to achieve the above object, the present invention provides a cultivation shelf inside a building, arranges an LED plant growing light above the cultivation shelf, and uses the light from the LED plant growing light to the plants on the cultivation shelf. A plant factory irradiation device adapted to irradiate, wherein a liquid circulation path connected to a circulation pump is provided in a building, and the LED plant growing light is a base made of a hollow pipe, and an LED substrate fixed to the base And a light emitting diode attached to the LED substrate, the substrate is provided with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are connected to the liquid circulation path, and the liquid circulation An outdoor radiator is connected to the road, the liquid cooled by the radiator flows through the base, and the LED plant growing lamp is cooled by the cooling liquid.
Further, the present invention connects an indoor radiator to the liquid circulation path and a switching valve for switching a flow path of the cooling liquid flowing through the liquid circulation path, and the switching valve is connected to the cooling liquid. A flow path switching means that opens a flow path that passes through the outdoor radiator, and a flow path switching means that opens a flow path that passes through the indoor radiator of the cooling liquid. Features.
In the present invention, the flow path switching means of the switching valve includes flow path switching means for blocking a flow path of the cooling liquid flowing through the liquid circulation path and passing through the indoor radiator. And
In the present invention, the switching valve opens the flow path of the cooling liquid flowing through the liquid circulation path through the indoor radiator, and the flow of the cooling liquid through the outdoor radiator. A flow path switching means for blocking the path is provided.
Further, the present invention is characterized in that the whole of the LED plant growing lamp is covered with a heat insulating material except for the light emitting diode mounting side.

The present invention can eliminate the inconvenience due to the heat generated by the LED plant growing lamp in the sealed plant factory by efficiently cooling the LED plant growing lamp installed in the plant factory.
In winter, the warm air from the radiator can be used as heating in the plant factory.

It is whole explanatory drawing of a plant factory. It is explanatory drawing of an illuminating device. It is external appearance explanatory drawing of a LED plant growth lamp. It is a section explanatory view of LED plant breeding lamp.

Hereinafter, a configuration of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is an overall explanatory view of a network controlled plant factory system according to the present invention, and omits a cooling piping diagram of a lighting device. The building 2 used in this system uses a container, and a large number of plant cultivation shelves 4 are arranged in a multistage cultivation shelf structure in the container. This system has temperature auto management function, CO2 auto management function, humidity auto management function, LED irradiation schedule function, nutrient solution management function, circulating nutrient solution filtration / sterilization function, indoor air circulation function, alert function, monitor function, remote manual It has an operation function.

The temperature automatic management function is appropriately managed by the temperature sensor 6. When the temperature is lower than the set temperature, heating is performed by the radiator 60, and when the temperature is higher than the set temperature and the outside air temperature is low, the ventilation fan 10. Operates. When the temperature is higher than the set temperature and the outside air temperature is high, the cooling is activated.

  In the CO2 auto management, the ventilation fan heat exchanger 16 is properly managed by the CO2 sensor 12 and the control circuit 14, and when the indoor CO2 is higher or lower than the set ppm, the heat exchange absorption is performed so that the indoor and outdoor CO2 are equivalent. Exhaust. In the humidity auto management, when the humidity is higher than the set humidity, the dehumidifier 17 is operated by the control circuit 14 based on the detection value of the humidity sensor 18 to manage the humidity.

The LED irradiation schedule function makes it possible to set the irradiation time or irradiation date of the LED (light emitting diode) plant growing lamp 20. In this embodiment, a pulse is supplied to the LED plant growing lamp 20 and pulse irradiation is performed.
The nutrient solution management function automatically supplies the nutrient solution from the tank 26 by driving the pumps 22 and 24 when the nutrient solution is reduced. It also manages nutrient solution consumption. The circulating nutrient solution filtration / sterilization function performs filtration sterilization of the circulating nutrient solution in the sterilization processing unit 28.

  Circulation of indoor air is performed by a circulator. The alert function notifies the administrator of a decrease in the remaining amount of the nutrient solution in the reserve tank, an abnormal temperature inside the room, and an increase in the nutrient solution in the circulation tank 26 via the Internet 30 via an e-mail via the external control console. The monitor function monitors the room temperature, humidity, outside air, CO2 value, nutrient solution consumption, calculates and displays the plant growth rate, and displays various data graphs on the monitoring screen of the control console 32.

The remote manual operation management function operates the control circuit 14 through the Internet 30 to turn on / off various devices such as the LED plant growing light 20. The power source for this system may be configured such that a photovoltaic power generation device is installed in the building 2 and power is supplied to various devices of the system through the power conditioner & power storage device. In the plant cultivation shelf structure, a large number of plant cultivation shelves 4 are arranged in a multi-stage manner, and an LED plant growing light 20 is arranged above each cultivation shelf 4, so that plants grown on each cultivation shelf 4 are arranged. It is comprised so that the light of LED plant breeding lamp 20 may be irradiated. In FIG. 1, reference numeral 34 denotes a visualizing movable camera, and 36 denotes a recording server.

Next, the configuration of the plant growing lighting device of the present system will be described with reference to FIGS.
FIG. 2 shows a cooling piping diagram of the lighting device. The LED plant growing lamp 20 includes an LED 42 that emits red or blue light, and an intermittent irradiation type is used. The LED plant growing lamp 20 includes a rectangular pipe base 40 made of elongated aluminum and a substrate 44 to which an LED (light emitting diode) 42 is attached, and the substrate 44 is fixed to the bottom surface of the base 40. The base 40 is covered with a heat insulating material 46 such as glass wool or foamed plastic, except for the bottom, leaving the bottom. An inlet pipe 48 that communicates with the hollow portion of the base body 40 is provided near one end in the longitudinal direction of the base body 40, and an outlet pipe 50 that communicates with the hollow portion of the base body 40 is provided near the other end side. .

A liquid circulation path 52 composed of a pipe or a tube is provided inside and outside the building 2, and radiators 60 and 62 including a circulation pump 54 and fans 56 and 58, a liquid flow path switching valve are provided in the circulation path 52. 64 are connected to each other. The radiator 62 is disposed outside the building, and a liquid intake port and a liquid discharge port are respectively connected to the circulation path. The inlet port A1 of the switching valve is connected to the outlet pipe 50 of each LED plant growing lamp 20 through the circulation path 52. One outlet port A2 of the switching valve 64 is connected to the intake port of the radiator 62, and the other outlet port A3 is connected to the intake port of the radiator 60.
Note that the piping diagram of FIG. 2 illustrates a piping system of only one LED plant growing lamp 20, and the piping structure to the other LED plant growing lamp 20 is not shown.

The suction part of the circulation pump 54 is connected to each discharge port of the radiators 60 and 62 through the circulation path 52, and the discharge part is connected to the inlet pipe 48 of each LED plant growing lamp 20. The cooling water in each LED plant growing lamp 20 and in the liquid circulation path 52 connected thereto is configured to be supplied from a liquid supply section (not shown) provided at an appropriate place in the path of the liquid circulation path 52. Yes. In this embodiment, all the LED plant growing lights 20 provided in the building 2 are cooled by using one circulation pump 54, but one unit with a predetermined number of LED plant growing lights 20 as one unit. You may make it cool using one circulation pump for every, and it is not necessarily limited to the structure which cools all the LED plant growing lights of a building using one circulation pump.
In the configuration described above, the switching valve 64 has the outlet port A2 closed and the outlet port A3 opened in winter.

Further, the outdoor radiator 62 is in a stopped state. In this state, when the circulation pump 54 is driven and the radiator 60 and each LED plant growing lamp 20 are in operation, cooling water flowing through the liquid circulation path 52 flows through each LED plant growing lamp 20, and each LED plant growing is performed. The lamp 20 is cooled by the cooling water cooled by the radiator 60. The warm air discharged from the radiator 60 is used for heating in the building 2. When the radiator 60 is not used as heating in the building 2, the radiator 60 is stopped, the switching valve 64 is switched, the outlet port A2 is opened, and the outlet port A3 is closed.

Thereby, the water in the liquid circulation path 52 passes through the radiator 62, and at this time, the water is cooled by the radiator 62 and supplied to each LED plant growing lamp 20. The switching valve 64 also has a switching function for opening the outlet ports A2 and A3 at the same time. The circulation pump 54 may be connected to the liquid circulation path 52 with the suction part and the discharge part being reversed.

2 Building 4 Plant cultivation shelf 6 Temperature sensor 8 Air conditioner 10 Ventilation fan 12 CO2 sensor 14 Control circuit 16 Ventilation fan heat exchanger 18 Humidity sensor 20 LED plant growing light 22 Pump 24 Pump 26 Tank 28 Sterilization processing unit 30 Internet 32 Control console 34 Visualization Movable camera 36 Recording server 40 Base 42 Light emitting diode 44 Substrate 46 Heat insulating material 48 Inlet pipe 50 Outlet pipe 52 Liquid circulation path 54 Circulation pump 56 Fan 58 Fan 60 Radiator 62 Radiator 64 Switching valve

Claims (5)

A plant factory irradiating apparatus in which a cultivation shelf is provided inside a building, an LED plant growing light is disposed above the cultivation shelf, and the light on the LED plant growing light is irradiated to the plants on the cultivation shelf. A liquid circulation path to which a circulation pump is connected to the building, and the LED plant growing lamp is a base made of a hollow pipe, an LED board fixed to the base, and a light-emitting diode attached to the LED board The liquid inlet pipe and the liquid outlet pipe are provided in the base body, the liquid inlet pipe and the liquid outlet pipe are connected to the liquid circulation path, and an outdoor radiator is connected to the liquid circulation path, A plant factory lighting device characterized in that a liquid cooled by the radiator flows in the substrate, and the LED plant growing lamp is cooled by the cooling liquid. An indoor radiator and a switching valve for switching a flow path of the cooling liquid flowing through the liquid circulation path are connected to the liquid circulation path, and the switching valve is configured to dissipate the cooling liquid for the outdoors. A flow path switching means that opens a flow path that passes through a vessel and a flow path switching means that opens a flow path that passes through the indoor radiator of the cooling liquid. The plant factory lighting device according to 1.   The flow path switching means of the switching valve includes flow path switching means for blocking a flow path of the cooling liquid flowing through the liquid circulation path through the indoor radiator. The plant factory lighting device according to.   The switching valve opens the flow path of the cooling liquid flowing through the liquid circulation path through the indoor radiator and blocks the flow path of the cooling liquid through the outdoor radiator. The plant factory lighting device according to claim 2, further comprising a path switching means.   The plant factory lighting device according to claim 1, wherein the LED plant growing lamp is covered with a heat insulating material on the entire surface of the hollow base of the LED plant growing lamp, leaving the light emitting diode mounting side.

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