JPS63184204A - Lighting apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Technical Field] The present invention is applicable to culture racks for plant tissue culture and cell culture, as well as for displaying heat-resistant items such as food and other general items such as clothing and tableware. This invention relates to a lighting device used for various purposes.

[Background technology]

In the biotechnology sector of the agricultural field, culture shelves equipped with lighting equipment are used because lighting is effective in promoting the growth and development of plants when performing Mi weave culture and cell culture of plants. There is.

FIG. 5 shows a conventional example, that is, this lighting device is
It is composed of a plurality of shelves 51 with lighting equipment 50 provided on the lower surface, and a support body 52' having pillars 52 that support the shelves 51,
A sample such as a tissue culture flask containing a cultured plant is placed in each column 51 and illuminated by a lighting device 50. 53 is a mounting screw connecting the shelf 51 and the support column 52, 54 is a power cord connected to the lighting fixture 50, and 55 is the lowest shelf of the support body 52'.

By the way, in this lighting device, heat that inhibits the growth of cultured plants is generated from the lamp and ballast of the lighting device 50. Therefore, an air conditioner was installed in the culture room where the culture shelves were installed to control the room temperature.

However, since this air conditioner air-conditions the entire culture chamber, it has the disadvantage of extremely high electricity costs.

[Purpose of the invention]

An object of the present invention is to provide a lighting device that can efficiently exhaust heat and reduce power costs.

[Disclosure of the invention]

The lighting device of the present invention includes a support, a box-shaped shelf that is supported by the support and has a built-in lighting device and a transparent plate provided on the lower surface, and an exhaust device that cools the inside of the shelf. It is something.

According to the configuration of the present invention, since the lighting equipment is built inside the box-shaped shelf and the inside of the shelf is cooled by the exhaust device, the heat of the lighting equipment can be directly cooled, compared to the conventional example. Good cooling effect reduces power costs.

Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 to 4. That is, this lighting device includes a support 5, a box-shaped shelf 3 that is supported by the support 5 and has a built-in lighting fixture 2, and a transparent plate 1 provided on the lower surface, and a box-shaped shelf 3 that cools the interior of the shelf 3. It is equipped with an exhaust device 6.

The support body 5 is formed into a frame shape by four pillars 4, a lower shelf 7 that connects the lower ends of the pillars 4, and a crosspiece 8 that connects the upper ends of the pillars 4. Further, a height adjuster 9 is provided at the lower end of each support column 4, as shown in FIG. This height adjuster 9 has a knob part 9a and a threaded part 9b, and the threaded part 9b is screwed into a threaded hole (not shown) on the lower surface of the support column 4, so that the floor surface is slanted or uneven. By rotating the grip portion 9a, the protrusion of the height adjuster 9 can be changed to adjust the levelness of the shelf 3.

Each of the pillars 4 is a square pipe, and a large number of elongated mounting holes 10 are arranged at regular intervals in the height direction of one opposing surface of the side surface of the pillar 4, as shown in FIG. A bracket 1) is installed between a pair of adjacent columns 4. This bracket 1) is approximately U-shaped, and has fixed claws 12 protruding from both ends that are removably engaged with the mounting holes 10, and an upper piece 13.
A shelf fixing hole 14 is formed in the hole, and the fixing claw 12 is attached to the additional hole 1.
0 and press down to fix the bracket) 1) to the support post 4. Furthermore, as shown in FIG. 1, a linear outlet 15 is attached to one of the pillars 4 along the height direction, and a power cord 16 is drawn out from the lower end and a plug 17 is provided at the tip.

The shelves 3 have a plurality of shelves, that is, four shelves in this embodiment,
It is attached to the shelf fixing hole 14 of the upper piece 13 of the bracket 1) with screws (not shown), and a sample (not shown) such as a tissue culture flask is placed on the upper surface. As shown in FIG. 2, each column 3 is formed into a box shape consisting of an upper plate 18 and a side plate 19, has an opening on the lower surface, and has a locking frame 3a at one end. An inflow port 20 is formed on the side opposite to the locking frame 3a of the side plate 19, and a filter 21 is attached to the inside thereof to close the inflow port 20, and a flange 22 forming an exhaust port is provided on the side of the side plate 19 on the side of the locking frame 3a. ing. Also side plate 1
The inward facing piece 23 is bent toward the opening side of the opening 9, and the transparent plate 1 is placed on the inward facing piece 23 to close the opening. In addition, in order to seal the interior of the shelf 3 except for the flange 22 and the inlet 20, the upper plate 1 of the side plates 19 is
A gasket 24 made of rubber or the like is provided at each contact portion between the body 8 and an object that is not integrally formed.

Lamp socket 25 of lighting fixture 2. A ballast 29 and other electrical parts are attached to the lower surface of the upper plate 18, and a straight fluorescent lamp 26 is attached to a lamp socket 25. Further, the power cord 27 of the lighting fixture 2 is pulled out from the shelf 3 and the plug 28 at the tip is connected to the linear outlet 15.

The exhaust system W6 is attached to the upper end of the support 5. The exhaust system W6 includes a fan 31 inside a box-shaped case 30, an exhaust port 32 on the top surface of the case 30, and a number of suction ports (not shown) equal to the number of shelves on the bottom surface. The opening and the flange 22 of each column 3 are connected by a flexible exhaust duct 33. Further, the plug of the power cord (not shown) of the exhaust device 6 is connected to the wire outlet 15.

This lighting device has a power cord 16 connected to a linear outlet 15.
When connected to an outlet (not shown) in the room, power is supplied to the lighting fixtures 2 and exhaust device 6 in each column 3 through the wire outlet 15, and the straight fluorescent lamps 26 of the lighting fixtures 2 are lit, and the exhaust device No. 6 fan 31 rotates. When the straight fluorescent lamp 26 is turned on, light is emitted from the transparent plate 1 of the shelf 3 and illuminates the sample placed on the upper surface of the lower shelf 3.

Also, as the fan 31 rotates, air is sucked in from the inlet 20 of each column 3, flows inside the shelf 3 as shown by the arrow in FIG. Case 3 of exhaust device 6 through exhaust duct 33
0 and is exhausted from the exhaust port 32, and at this time, the shelf 3
The heat generated in the straight tube fluorescent lamp 26 and the ballast 29 is exhausted, and the shelf 3 is constantly cooled.

According to this embodiment, the lighting fixture 2 is built inside the box-shaped shelf 3, and the interior of the shelf 3 is cooled by the exhaust system W6.
Since the heat of the lighting fixture 2 can be directly cooled, the cooling effect is better compared to the conventional example, and power costs can be reduced. That is, the growth of cultured plants is not inhibited by the heat generated by the lighting, and the growth of the plants can be ensured, and the electricity cost for the air conditioner for controlling the room temperature, which is necessary to suppress the heat of the lighting, can be reduced by about 40%.

Further, in this embodiment, a large number of mounting holes 10 are arranged in a row in the height direction of the support 4, and the shelf 3 is mounted on a bracket 1) having a fixing claw 12 that is detachably engaged with the mounting hole 1). Therefore, the height of each column 3 can be freely changed according to layout changes or the size of cultured plants, and since the shelves 3 can be easily attached and detached, the lighting device can be easily relocated. That is, in the conventional example shown in FIG. 5, the shelf 51 is fixed, so when the plants to be cultured are large or when the lighting device is relocated, it is necessary to disassemble and reassemble the lighting device 50 and the shelf 51, and the cultured plants The disadvantage is that it is difficult to use in response to the size of the device.

Further, a linear outlet 15 is provided on the support 5,
Since the TL source cords 27 of the lighting fixtures 2 in each column 3 are connected, it is possible to easily respond to changes in the position of the shelves 3, and the appearance is good because the electric wires connecting the lighting fixtures 2 are not visible from the outside. become.

That is, in the conventional example shown in FIG. 5, the wiring for the 5° lighting fixture was difficult and the electric wires were exposed outside, making it unsightly.

Further, since there are a plurality of shelves 3 and the exhaust device 6 and each column 3 are connected by the exhaust duct 33, the structure becomes simple and efficient.

Moreover, since the shelf 3 has a closed structure, heat exhaust efficiency is excellent.

Furthermore, since the support body 5 has height adjusters 9 at a plurality of locations, the shelf 3 can be installed horizontally even if the floor surface on which the shelf 3 is installed is uneven.

〔Effect of the invention〕

According to the lighting device of the present invention, since the lighting equipment is built inside the box-shaped shelf and the inside of the shelf is cooled by the exhaust device,
Since the heat of the lighting equipment can be directly cooled, the cooling effect is better than that of the conventional example, and the power cost can be reduced.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an embodiment of the present invention, Fig. 2 is a sectional view of the main part thereof, Fig. 3 is a partially exploded perspective view showing the structure of the bracket, and Fig. 4 is a partial perspective view showing the height adjuster. FIG. 5 is a perspective view of a conventional example. l... Translucent plate, 2... Lighting equipment, 3... Shelf, 5...
...Support, 6...Exhaust device 1--1 this rhinoceros 2-run 3-11

Claims (6)

[Claims] (1) A lighting device comprising a support body, a box-shaped shelf supported by the support body containing a lighting fixture and provided with a transparent plate on the lower surface, and an exhaust device that cools the interior of the shelf. (2) The support body has a large number of mounting holes arranged in a row in the height direction of the support, and the shelf is attached to a bracket having a fixing claw that is detachably engaged with the mounting hole. The lighting device according to paragraph (1). (3) The lighting device according to claim 1, wherein the shelf has a plurality of shelves, the support body has a linear outlet, and the power cord of the lighting device is connected to the linear outlet. . (4) The lighting device according to claim 1, wherein the shelf has a plurality of shelves, and the exhaust device and each shelf are connected by an exhaust duct. (5) Claim No. (1), wherein the shelf has a closed structure.
The lighting device described in Section 1. (6) The lighting device according to claim (1), wherein the support body has height adjusters at a plurality of locations.