JPS60140033A - Radiator - Google Patents

Abstract

PURPOSE:To contrive to improve durability, to prevent dew condensation from developing and to improve lighting property by a constitution wherein cold or hot water is supplied to heat radiating pipes, the whole surface of each of which is transparent or on a part of said transparent surface of which radiant heat reflecting film is formed, in a radiator for radiant heating or the like. CONSTITUTION:A plurality of cylindrical heat radiating pipes, the whole surface of each of which is transparent, are connected to manifolds 2 and 3 in order to dissipate or absorb radiant heat by being supplied hot or cold water thereto. In this case, in accordance with the installation site and conditions of a radiator A, radiant heat reflecting substance 4 is coated or pasted on one side of the radiator A and the side facing to things to be heated or cooled is left transparent. Due to the constitution as mentioned above, dew condensation is prevented from developing and the durability of the radiator can be improved without disturbing lighting.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a radiator for radiant heating or radiant cooling.

Radiant heating has been used as the main means of heating in cold regions for a long time. Conventional radiation 81
Examples of heating means include passing hot water, steam, or combustion air inside a multilayer metal panel or metal tube, heating the metal panel electrically, or heating a metal coil with combustion gas. However, in all of these methods, an opaque solid material is heated by any of the above-mentioned means, heat is radiated from the surface of the heated solid material toward the object to be heated, and heat is radiated from the surface to the object to be heated. It is based on the principle of transferring heat to the air in contact with the surface through natural convection. In this case, since the solid material is required to have high thermal conductivity, metal materials such as iron are used in almost all cases. As a result, corrosion occurs, and in addition, it is heavy and looks unsightly, and has disadvantages such as poor productivity and high cost.

On the other hand, with radiant cooling, cold water or cold air is flowed inside the metal panel to cool the metal panel, and heat is radiated from the object to be cooled to the outside (object side) surface of the cooled metal panel. At the same time, attempts have been made to use natural convection to cool the air in contact with the surface. In this case, to enhance the radiation effect, the surface temperature must be significantly lower than the air temperature. For this reason, the air is often lowered to a temperature below the dew point and condenses on the contact surface.

This dew condensation phenomenon is particularly problematic in regions (such as Japan) where relative humidity is high during the summer. The reality is that radiant cooling is not put into practical use due to this problem.

This invention is aimed at eliminating the above-mentioned drawbacks, and is characterized by the fact that radiant heat is reflected by a member whose entire surface is transparent or whose surface is partially transparent and whose other parts are transparent. A means for flowing hot water or cold water through a conduit connected to the heat radiator is connected to a heat radiator constituted by a member coated with or pasted with a material that causes the heat to flow due to the temperature difference between the hot or cold water and an external object. The radiant heat is directly emitted or absorbed between the hot water or cold water and the external object from the transparent member surface of the heat radiator.

Furthermore, the present invention provides a radiator characterized in that it can be installed in a place where sunlight is required because it is constructed with a transparent member. An embodiment of the present invention shown in the drawings will be described in detail below.

As shown in FIGS. 1 and 2, a radiator A according to the present invention has a plurality of cylindrical heat radiant tubes 1 each formed of a solid component whose all surfaces are transparent, and which are arranged at predetermined intervals. Through this manifold, hot water or cold water from a boiler or water chiller (not shown) flows in from one end of the manifold 2, and through the heat radiation pipe 1 having a plurality of transparent parts. The liquid is made to flow out from one end of the other manifold 3.

Depending on the location and conditions where radiator A is installed, as shown in Figure 2, a material 4 that reflects radiant heat may be coated or pasted on one side of radiator A to provide a transparent member only on the side where objects to be heated and cooled are located. May be exposed.

In addition, in FIGS. 1 and 2, an example is shown in which the radiator A is implemented with a plurality of heat radiant tubes, but it may also be in the form of a panel, and in this case, the entire surface of the panel is It is formed from a transparent member, or a member whose part is transparent and the other part is coated or pasted with a material that reflects radiant heat.

Since the radiator A of the present invention is configured as described above, the radiant heat is transmitted through the transparent heat radiator 1 constituting the radiator.
Almost 100% of the radiation passes through the air, and radiation occurs directly between the hot or cold water and the object to be heated or cooled. The only property required of a thermal radiation panel or thermal radiation tube that separates hot water or cold water from air is transparency, and low thermal conductivity may be required.

Therefore, the material for the heat radiation panel or the heat radiation tube 1 is preferably glass or plastic. In this way, effects such as light weight, low cost, good corrosion resistance, good appearance, and good lighting can be obtained.

In addition, when the radiator of the present invention is used for radiant cooling, a liquid with a high heat absorption rate of black or higher is selected as the cold water flowing on the inner surface, and all or four of the multi-layer thermal radiant panels or thermal radiant tubes are heated. By selecting a material with low thermal conductivity as the transparent material constituting the part, the outer surface temperature of the heat radiation panel or heat radiation tube can be maintained high without reducing the cold radiation effect. Therefore, since the air in contact with the surface is kept above the dew point, dew condensation can be prevented.

As described above, the present invention provides a thermal radiator body constructed of a member whose entire surface is transparent or a member whose surface is transparent and whose other parts are coated or pasted with a material that reflects radiant heat. A means for flowing hot water or cold water through a conduit connected to the radiator is connected to the radiator, and the radiant heat caused by the temperature difference between the hot water or cold water and an external object is transferred from the transparent member surface of the heat radiator to the hot or cold water. Since the material is directly emitted or absorbed between the material and external objects, the manufacturing cost is low, it has excellent corrosion resistance, and has the effect of preventing dew condensation and not interfering with sunlight.

[Brief explanation of the drawing]

The drawings all show an embodiment of the present invention, and FIG. 1 is a perspective view of a radiator structure, and FIG. 2 is a sectional view taken along the line AA in FIG. 1. A...Radiator, 1...Heat radiation tube, 2, 3...
Manifold, 4...A material that reflects radiant heat. Patent applicant: BS Industries Co., Ltd. 7-10 C2-

Claims (1)

[Claims] A conduit connected to a heat radiator inside a thermal radiator constructed of a member whose entire surface is transparent or a member whose surface is transparent and whose other parts are coated or pasted with a material that reflects radiant heat. A means for flowing hot or cold water is connected through the radiator, and the radiant heat caused by the temperature difference between the hot or cold water and the external object is directly transferred between the hot or cold water and the external object from the transparent member surface of the thermal radiator. A radiator characterized in that it is adapted to be emitted or absorbed.