JPH0467843B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a local cooling system in rest areas (parasols) in plazas and building premises.

Conventional technology Generally, outdoor parasols, gazebos, etc. do not provide air conditioning.

Problems to be Solved by the Invention Since cooling outdoors, that is, in an open space, is extremely inefficient, it is necessary to realize localized cooling at low cost.

Means to solve the problem: Heat pipe using capillary action
The fins form an air cooling wind conduit, and the air passing through the wind conduit is cooled by a heat transfer pipe to blow out cold air.

Domestic water in the building is used as the low-temperature part for cooling the heat transfer pipe.

Effect By supplying air into the wind pipe from the lower part of the parasol support and cooling the lower heat exchange part of the heat transfer pipe with domestic water, etc., the air inside the wind pipe in contact with the heat transfer pipe is kept in a cooled state. It blows out into the parasol.

Example In Figures 1 to 6, 1 is a parasol, 2
3 is a heat medium pipe, 3 is a wind pipe formed by the fins 21 of the heat medium pipe 2, 4 is an outlet of the wind pipe 3, 3a is a support pipe that communicates with the wind pipe 3 via a slit 4a, and 5 is a pedestal that also serves as a base. 6 is a suction port of the air pipe 5 which also serves as a base, 7 is a blower fan, 8 is an insulating material, and 9 is a partition wall of the cooling chamber 10. Further, 22 is a lower heat exchange part of the heat medium tube 2, 23 is a wick disposed inside the heat medium tube 2 and has a capillary action, and 24 is a cylindrical partition disposed inside the wick 23.

First, to explain the structure and operating principle of the heat medium tube 2, as shown in FIG. A working fluid such as water, Freon, or ammonia is sealed inside.

Now, when the right side (condensing section) in Fig. 6 is cooled, the vapor of the working fluid liquefies, and the liquid flows to the left side (evaporation section) due to the capillary action of the wick 23, absorbing heat from the outside and evaporating.

The steam passes inside the cylindrical partition 24 and flows at high speed toward the condensing section where the steam pressure is low, where it releases latent heat of condensation and liquefies. The hydraulic fluid is UITSUKU2 again.
It circulates to the evaporation section by the capillary phenomenon in step 3, absorbs the heat of evaporation, and is vaporized. This operation is repeated to perform heat recovery, that is, cooling, in the evaporator.

1 to 5, the lower end of FIG. 1b communicates with the cooling chamber 10 of FIG. 5, and the blower fan 7 supplies air to the wind pipe 3. When the lower heat exchange section 22 (condensing section) of the heat medium tube 2 is cooled, heat is absorbed in the upper heat exchange section (evaporation section) of the heat medium tube 2 provided on the ceiling of the parasol 1.

The air supplied to the wind conduit 3 by the blower fan 7 is cooled in the upper heat exchange section of the heat transfer pipe 2, and is blown out into the parasol 1 from the outlet 4.

In the above embodiment, air is blown into the wind conduit 3 by the blower fan 7, but surplus air from equipment in the building can be used.

In addition, the number of heat medium pipes 2 used, the position of the outlet 4,
The size etc. are set depending on the required cooling capacity.

Effects of the Invention The cooling parasol according to the present invention includes a heat medium tube that extends along the pillars and the ceiling of the parasol and has a capillary wick inside, and a heat medium tube that extends along the heat medium tube and heats the upper part of the heat medium tube at the ceiling. A wind conduit that covers the exchange part and has an outlet on the lower surface, a blowing means that communicates with the wind conduit at the lower part of the pillar part, and a cooling chamber that surrounds the lower heat exchange part of the heat medium pipe. By cooling the lower heat exchange section and blowing out cold air from the outlet, it is possible to realize a local cooling device that has a simple structure and is easy to install.

[Brief explanation of the drawing]

FIG. 1 shows an embodiment of the cooling parasol of the present invention, in which a is a plan view and b is a side view. Figure 2 is a sectional view taken along line A-A in Figure 1 a, and Figure 3 is B in Figure 1 a.
4 is an external view of FIG. 1. FIG. 5 is a side sectional view of the lower end portion of the parasol support portion, and FIG. 6 is a partial sectional view illustrating the structure and operating principle of the heat transfer pipe. 1...Parasol, 2...Heating medium pipe, 3...Wind pipe, 23...Capillary tube.

Claims (1)

[Claims] 1. A heat medium tube extending along the pillars and the ceiling of the parasol and having a capillary wick inside, and a heat medium tube extending along the heat medium tube and covering the upper heat exchange part of the heat medium tube in the ceiling, and having an outlet on the lower surface. a wind conduit provided with a wind conduit, an air blower communicating with the wind conduit at a lower part of the support section, and a cooling chamber surrounding a lower heat exchange section of the heat transfer pipe, the cooling chamber cooling the lower heat exchange section. A cooling parasol characterized in that cold air is blown out from the outlet.