JPH07103529A - Exhaust accelerator - Google Patents

Abstract

PURPOSE:To conduct sufficient exhausting without requiring of any power source such as electric power, etc., even if a wind pressure difference or a temperature difference is small. CONSTITUTION:An exhaust accelerator 1 generates an air flow to exhaust the air in a building out of the building, and comprises a box 3 formed of a front plate and a rear plate 17 opposed to one another, an inlet 5 provided at a lower part of the box 3, an outlet 7 provided at an upper part of the box 3, and an exhaust passage 9 formed in the box 3 to be fed from the inlet 5 to the outlet 7 in a zigzag state. At least the front plate is formed of a transparent or translucent material. A heat converter 11 coated with a black coating to convert solar light energy to thermal energy by the paint is formed on the plate 17, and a heat insulator is mounted outside the converter 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an exhaust accelerating device for generating an air flow for discharging air inside a building to the outside of the building.

[0002]

2. Description of the Related Art For exhausting air in a building, for example, exhausting indoor air, conventionally, an opening is provided in a wall surface or a ceiling surface in the room, an opening is provided in an outer wall of the building, and both openings are arranged in the building. This is done by connecting the above ducts to generate a flow of air that flows from the room to the outside of the building due to the difference in wind pressure and temperature, and discharging the air in the room from the duct to the outside of the building. Alternatively, a blower is installed in the middle of the opening or duct,
The blower forcibly causes an air flow from the room to the outside of the building in the duct, and the air in the room is discharged to the outside of the building.

[0003]

However, in the method of discharging the indoor air to the outside of the building by utilizing the difference in wind pressure and the difference in temperature, when the difference in wind pressure and the difference in temperature is small, the amount of exhaust gas is reduced, which is sufficient. There was a problem that exhaust could not be done. In addition, although a method using a blower can provide sufficient exhaust,
A power source such as electric power is required. The present invention has been devised in view of the above circumstances, and an object of the present invention is to provide sufficient exhaust gas even when a wind power difference or a temperature difference is small without requiring any power source such as electric power. To provide an exhaust promotion device that can

[0004]

In order to achieve the above-mentioned object, the present invention is an exhaust gas promotion device for generating an air flow for discharging the air inside a building to the outside of the building, wherein a front plate and a back plate facing each other are provided. A box body configured by, an inflow port provided in the lower part of the box body, an outflow port provided in the upper part of the box body, and a meandering from the inflow port defined inside the box body. And an exhaust passage leading to the outlet, at least the front plate is made of a transparent or translucent material, and the back plate is provided with a heat conversion unit for converting sunlight energy into heat energy. It is characterized by

Further, the present invention is characterized in that the heat converting portion is formed by applying a black paint to the back plate. Further, the present invention is characterized in that a heat insulating material is attached to the outside of the heat converting portion.

[0006]

[Embodiment] Hereinafter, the case where the embodiment of the present invention is applied to a general house will be described. FIG. 1 is a cross-sectional side view of the exhaust promotion device, and FIG. 2 is a front view of the cross-section. 1 is an exhaust promotion device,
The exhaust promotion device 1 includes a box body 3, an inflow port 5 and an outflow port 7 provided in the box body 3, an exhaust passage 9 defined inside the box body 3, and sunlight energy into heat energy. The box body 3 is composed of a heat converting portion 11 for converting, and the box body 3 is firmly installed on the outer wall 13 facing south through bolts, support pieces and the like.

The box body 3 includes a rectangular front plate 15 and a back plate 17 which are opposed to each other. The front plate 15 and the back plate 1
A space is formed between 7 and 7. A tube 501 is provided on one side of the lower surface of the box 3 so as to project the inlet 5, and a tube 701 is provided on the other side of the upper surface of the box 3 so as to project. The tube body 701 forms the outflow port 7. The front plate 15 is made of a transparent or semi-transparent material, and is a transparent glass plate in the embodiment. The back plate 17 is also formed of a glass plate in the embodiment, and black paint is applied to the inner surface of the back plate 17 facing the space portion, and the heat conversion portion 11 is constituted by the black paint. A heat insulating material 19 is attached to the outer surface of the back plate 17 so that the heat generated by the heat converting portion 11 does not escape to the outside of the box body 3.

The exhaust passage 9 is defined by a large number of partition plates 21 mounted inside the box body 3. The exhaust passage 9 is composed of a plurality of horizontal passages 901 that are vertically spaced from each other and extend in the horizontal direction, and a plurality of vertical passages 903 that connect end portions of the horizontal passage 901. It is connected to the inflow port 5, and the upper end of the exhaust passage 9 is connected to the outflow port 7. In addition, a plurality of small holes 2101 are provided in the partition plate 21 portion that defines each lateral passage 901 at intervals in the longitudinal direction of the lateral passage 901.

An end portion of an exhaust duct 23, which is connected to an opening in a ceiling or a wall surface of a room and is disposed in a building, is connected to the inflow port 5. The outlet 7 is arranged under the eaves or the like so that rainwater or the like does not enter. The outlet 7 may be opened obliquely downward so that rainwater or the like does not enter from the outlet 7, or a shielding plate for preventing rainwater intrusion may be provided above the outlet 7.

Next, the operation will be described. During the day, sunlight passes through the front plate 15 of the box 3 and reaches the heat conversion section 11 on the back plate 17. When the sunlight reaches the heat conversion unit 11, the sunlight energy is converted into heat energy in the heat conversion unit 11 to generate heat, which heats the air in the exhaust passage 9 to raise the temperature of the air. . When the temperature of the air rises, the specific gravity of the air decreases, and since the outlet 7 side is at atmospheric pressure, the inlet 5 side becomes negative pressure. As a result, the air in the room is sucked from the exhaust duct 23 to the exhaust passage 9, and an air flow that flows from the inflow port 5 to the outflow port 7 is generated in the exhaust passage 9, and the indoor air is efficiently discharged from the outflow port 7 to the outside air. Well discharged. The room air sucked into the exhaust passage 9 is heated in the same manner as described above, and thus the room air is continuously exhausted by the air flow while the sun is out.

According to the present embodiment, the sunlight flow is used to generate the air flow in the exhaust passage 9 and the indoor air is discharged by this air flow, so that no power source such as electric power is required. However, even if there is little difference in wind pressure or temperature, it is possible to sufficiently exhaust the gas if there is solar radiation. Further, as the length of the exhaust passage 9 is increased, the temperature of the air in the exhaust passage 9 can be increased, and therefore the exhaust efficiency can be adjusted by the length of the exhaust passage 9. In particular, when performing cooling by the outside air introduction method, the ventilation amount is further increased in the presence of solar radiation, so that highly efficient outside air cooling is possible. Further, since the plurality of small holes 2101 are formed in the partition plate 21 portion, the air heated between the vertically adjacent lateral passages 901 reaches the upper lateral passages 901 and disturbs the air flow in the lateral passages 901. Without this, the air flow is discharged from the outlet 7, and the solar energy is efficiently collected over the entire box 3.

Further, in the embodiment, since the heat converting portion 11 is constituted by applying the black paint, the heat converting portion 11 can be easily formed at low cost. Further, in the embodiment, since the black paint is applied to the inner surface of the back plate 17, the weather resistance of the heat conversion section 11 can be enhanced. Further, in the embodiment, since the heat insulating material 19 is attached to the outside of the heat converting portion 11, the heat generated by the heat converting portion 11 is not released to the outside of the box body 3 and the air in the exhaust passage 9 is removed by the solar energy. The heating can be performed efficiently, which is advantageous for exhausting the room. Further, in the embodiment, since the exhaust passage 9 is formed in a meandering shape, it is possible to efficiently receive the solar energy, and the exhaust passage 9 gradually becomes higher in level from the inflow port 5 to the outflow port 7 and the flow resistance is increased. Small exhaust passage 9
The air inside can be made to flow smoothly, which is advantageous for exhausting the air inside the room.

In the embodiment, the inlet 5 and the exhaust duct 2 are
Although the case where 3 is connected has been described, the inflow port 5 and the exhaust duct 23 may be integrally provided depending on the place in the building to be exhausted and the shape of the building. Further, in the embodiment, the front plate 15 is made of a transparent material, but the front plate 15 may be made of a translucent material. Further, the meandering shape of the air passage is not limited to the shape of the embodiment, and in short, it suffices if the outlet 7 is arranged at a position higher than the inlet 5, and the height difference between the outlet 7 and the inlet 5 is high. Since the negative pressure generated at the inflow port 5 is determined by the above, the larger this height difference, the more advantageous it is in enhancing the exhaust efficiency. Further, although the case where the present invention is applied to a general house has been described in the embodiment, the present invention is applicable to exhaust gas in all buildings such as office buildings, hospitals, schools, and exhibition halls, and the exhaust gas accelerating device 1 The place where is placed may be inside the building as long as the place is exposed to the sunlight.

[0014]

As is apparent from the above description, the present invention is
An exhaust promotion device for generating an air flow for discharging air inside a building to the outside of the building, comprising a box body composed of a front plate and a back plate facing each other, and an inlet provided at the bottom of the box body. And an exhaust passage provided in an upper portion of the box body, and an exhaust passage defined inside the box body and meandering from the inlet opening to the outlet opening. At least the front plate is transparent. Is formed of a semi-transparent material, and the back plate is provided with a heat conversion unit for converting sunlight energy into heat energy, so that an exhaust promotion device is installed in a place exposed to sunlight.
When the inflow port is communicated with the inside of the building, the air inside the building is efficiently discharged to the outside of the building from the exhaust promotion device due to the sunlight energy during the daytime, and therefore, no power source such as electric power is required and wind pressure is increased. Even if the difference or temperature difference is small, sufficient exhaust can be performed.

[Brief description of drawings]

FIG. 1 is a cross-sectional side view of an exhaust promotion device.

FIG. 2 is a sectional front view of an exhaust promotion device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Exhaust promotion device 3 Box body 5 Inlet 7 Outlet 9 Exhaust passage 11 Heat conversion part 15 Front plate 17 Back plate 19 Insulation material 21 Partition plate 23 Exhaust duct

Claims (3)

[Claims] 1. An exhaust promotion device for generating an air flow for exhausting air inside a building to the outside of the building, comprising: a box body composed of a front plate and a back plate facing each other; An inflow port provided, an outflow port provided in an upper portion of the box body; and an exhaust passage defined inside the box body and meandering from the inflow port to the outflow port, at least the above The front plate is made of a transparent or semi-transparent material, and the back plate is provided with a heat conversion unit for converting sunlight energy into heat energy. 2. The exhaust gas accelerating device according to claim 1, wherein the heat converting portion is formed by applying a black paint to the back plate. 3. The exhaust promotion device according to claim 1, wherein a heat insulating material is attached to the outside of the heat conversion section.