JPH0448436Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Purpose of invention]

<Industrial field of application> The present invention relates to an indirect lighting column that is equipped with a lighting fixture for indirect lighting on the top, is provided with an air conditioning outlet, and has a ventilation duct inside. be. <Conventional technology> As shown in Fig. 2, this type of conventional technology
A lighting fixture 2 whose irradiation direction is directed upward is disposed at the top of a hollow pillar 1 whose interior is a ventilation duct 4, and an air outlet 3 is provided, with the lower end opening facing the floor. It is connected to the air conditioner through a duct 7 installed below 6.
The inner wall surrounding the ventilation duct 4 was lined with a heat insulating material 5 to prevent dew condensation from forming on the surface of the column 1. <Problems to be solved by the invention> By the way, as the heat insulating material 5, glass wool,
In other words, glass fiber products are often used, but this has the problem of fiber chips scattering immediately after construction, and when used for a long period of time, it deteriorates over time and the vortices of the air flow inside the column 1. However, the glass fibers may peel off and scatter, causing the same problem. In addition, in this type of pillar 1, the air outlet 3 is located near the height where people live, so if the airflow speed is high, the airflow will directly hit the occupants, causing discomfort. The present invention has been made to solve these problems.

[Structure of the idea]

<Means for solving the problem> The indirect lighting column that also serves as an air conditioning outlet according to the present invention is provided with a lighting fixture for indirect lighting at the top, an air conditioning outlet, and a ventilation duct inside. It is characterized by being formed with low heat insulation properties and having an outer surface that is a heat radiating surface. <Function> According to the present invention, since there is no heat insulating material, there is no problem caused by the heat insulating material, and the radiation from the column surface cooled by the cold air passing through the interior also prevents damage to the surrounding area. Therefore, sufficient cooling can be achieved without increasing the speed of air blowing from the air outlet of the pillar, and a comfortable space can be obtained. <Example> FIG. 1 shows an example. Similar to the conventional example above, this pillar 1 has a lighting fixture 2 for indirect illumination that illuminates the ceiling surface at the upper end of the hollow pillar 1 whose interior is a ventilation duct 4, and a lighting fixture 2 for indirect illumination that illuminates the ceiling surface. It is formed with an air outlet 3, and its lower end opening is connected to an air conditioner through a duct 7 installed below the floor surface 6 and serving as a wiring space. However, unlike the conventional example, the temperature of the pillar 1 itself is lowered by the cold air passing through the ventilation duct 4 without lining the inner wall of the pillar 1 surrounding the ventilation duct 4 with a heat insulating material or the like. The cooling effect is caused by the radiation R from the surface of the pillar 1. Cooling is achieved by the cold air discharged from the air outlet 3 placed at the top of the column 1, and at the same time, cooling is also achieved by radiation R from the entire surface of the column 1, which is cooled by the cold air passing through the air duct 11 inside the column 1. Therefore, the air outlet 3 at the top of the column 1 is
For example, it is equipped with a task square differential user to deal with the heat generated by OA equipment. However, since the entire pillar 1 is cooled by the cold air passing through the air duct 4 inside the pillar 1,
There is a risk of condensation forming on the surface of column 1, but this can be prevented by controlling the air conditioner so that the temperature of the blown air is 2 to 3 degrees Celsius higher than the dew point temperature of the indoor air. There is. Although the explanation has been given here regarding the case of cooling, the radiation R from the pillar 1 also contributes to the heating of the occupant's feet during heating, so that comfortable heating can be obtained at this time as well.

[Effect of the idea]

As described above, in this invention, heating and cooling is performed not only by air from the air outlet, but also by radiation from the column surface by forming the column with low thermal insulation properties. Since no material is used, there are no problems caused by heat insulating materials, and comfortable heating and cooling can be achieved using radiation.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional example, in which 1 is a column, 2 is a lighting fixture,
3 is an air outlet, 4 is a ventilation duct, and R is a radiation.

Claims (1)

[Scope of utility model registration request] A lighting fixture for indirect lighting is installed at the top, and an air-conditioning outlet is provided, and the pillar has a ventilation duct inside, and is formed with low thermal insulation properties, and the outside surface is a heat radiating surface. An indirect lighting pillar that doubles as an air conditioning outlet.