JPH0140251B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a hot air heater that improves comfort in an indoor environment.

[Prior art]

Conventionally, this type of apparatus has been shown in FIG. 1, as described in Japanese Patent Application Laid-Open No. 152,644/1983. In this figure, 1 is the housing of the floor-standing hot air heater, 2 is the suction port provided on the top surface of this housing 1, 3 is the blower installed inside the housing, and 4 is also inside the housing 1. A heat exchanger provided, 5 is a first outlet that blows out air that does not pass through the heat exchanger 4, 6 is a second outlet that blows out air that has passed through the heat exchanger provided at the bottom, 7 is the floor.

In the hot air heater configured as above, the suction port 2 is operated by the blower 3 and the heat exchanger 4.
A part of the indoor air that has been sucked in is directly transferred to the
The other air passes through the heat exchanger 4 and becomes high-temperature air, which is then blown into the room from the second outlet 6. Therefore, the indoor air blown from the first air outlet 5 suppresses the high temperature air blown from the second air outlet 6, allowing the high temperature air to reach a long distance along the floor surface. However, there were drawbacks such as a draft feeling due to the temperature difference between the room temperature air and the high temperature air, and especially an unpleasant draft feeling due to the influence of airflow from the vicinity of both ends of the outlet.

[Summary of the invention]

This invention was made to eliminate the drawbacks of the conventional ones as described above, and includes a second outlet that blows out high-temperature air that has passed through a heating section such as a combustor or a heat exchanger toward the floor surface; A first air outlet that blows out weakly warm air whose temperature is higher than the indoor air temperature and lower than the high temperature air is provided above the second air outlet. 1st
The air passage leading to the outlet is formed so that its width gradually decreases toward the center of the outlet side, so that the mildly warm air is blown out along the upper side of the high temperature air, suppressing the rise of the high temperature air and reducing the high temperature. In addition to allowing the wind to reach a long distance along the floor surface, there is little draft feeling caused mainly by the influence of airflow from both ends of the outlet.
This provides a hot air heater with increased comfort.

[Embodiments of the invention]

The details of this invention will be explained below according to the illustrated embodiments. FIG. 2 is a sectional view of a floor-standing hot air heater showing an embodiment of the present invention, in which 1 is a housing, 2 is an inlet provided on the back of the housing 1, and 3 is a rear surface inside the housing. A blower 7 is installed on the floor, and these are similar to the conventional device shown in FIG. 8
is a second air outlet provided on the front surface of the housing 1,
Reference numeral 9 denotes a first air outlet provided above the second air outlet on the front surface of the casing 1, and both of these outlets are structured to blow out air obliquely downward. Reference numeral 10 denotes a partition plate made of a relatively good thermal conductor that separates the air flow to the second air outlet 8 and the air flow to the first air outlet 9; 11 indicates the partition plate 10 and the housing 1; A heating chamber 12 is also formed at the lower part of the air passage 11 by the partition plate 10 and the housing 1, and a heating chamber 13 is a heating chamber provided in the heating chamber 12 using oil or gas as fuel. A combustion section serves as a heating section, and 14 is a combustion blower. As shown in FIG. 3, the air passage 11 extending from the air outlet 2 to the first air outlet 9 is formed so that its width gradually decreases toward the center on the air outlet side.

In the floor-standing hot air heater configured as described above, when operation is started, gas or oil is combusted in the combustion section 13 by indoor air taken in by the combustion blower 14. Then, the heating chamber 12 is heated by the combustion in the combustion section 13. Also, wind path 1
1 is also heated through the partition plate 10, which is a good thermal conductor. Then, a part of the indoor air sucked in through the suction port 2 provided on the back side of the housing 1 becomes high-temperature air through the combustion section 13 and is sent to the floor 7 through the second air outlet 8.
It blows out diagonally downward toward . Indoor air below this temperature passes through the air passage 11 heated by the combustion section 13 through the partition plate 10 with relatively good heat conduction, becomes slightly warmed air, and is heated to the first air outlet 9.
Since the air blows out diagonally downward toward the floor 7, the second
The rise of the high-temperature air blown out from the first outlet 8 is suppressed by the slightly warm, slightly warm air blown out from the first outlet 9, and the high-temperature air can reach a long distance along the floor surface. The width of the air passage 11 leading to the first air outlet 9 is gradually reduced, so that the slightly warm, slightly warm air blown from both ends of the first air outlet 9 blows toward the center. Therefore, residents feel less drafty feeling due to the warm air blown out from the second and first outlets 8 and 9, and also feel less drafty due to the warm air coming from near both ends of the second and first outlets 8 and 9. It also has little effect on the senses.

In addition, although the said Example demonstrated the case where the combustion part was arrange|positioned in the heating part, a heat exchanger may be used and the same effect as the said Example is produced.

In addition, although the partition plate 10 has been described as having relatively good heat conduction, it is made of a heat insulating material with openings in a portion so that the high temperature air from the heating chamber 12 is sucked into the air passage 11. It may be.

〔Effect of the invention〕

As described above, according to the present invention, at the upper part of the second outlet which blows out high-temperature air toward the front and downward, there is a damper that is higher than the indoor air temperature and lower than the high-temperature air blown out from the second outlet. A first air outlet is provided that also blows warm air in the front and downward direction, and the width of the air passage from the indoor air inlet to the first air outlet is gradually reduced toward the center of the air outlet side. This allows the mildly warm air blown out from the first outlet to suppress the rise of the high temperature wind, allowing the high temperature wind to reach a long distance along the floor surface, and further separating the high temperature wind from the mildly warm air. Since the temperature difference between the winds is small and the mildly warm air is blown toward the center, a highly comfortable living environment with less draft feeling due to the influence of airflow from the vicinity of both ends of the outlet can be obtained.

[Brief explanation of drawings]

1 is a vertical sectional view showing a conventional floor-standing hot air heater and its blowing state; FIG. 2 is an enlarged vertical sectional view of a floor-standing hot air heater showing an embodiment of the present invention; and 3.
The figure is a cross section. In the figure, 1 is the housing, 2 is the inlet, 3 is the blower, 7 is the floor, 8 is the second outlet, 9 is the first outlet, 10 is the partition plate, 11 is the air path, 12 is the heating room,
13 is a heating section, and 14 is a combustion blower. In each figure, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Claims] 1. A second air outlet is provided at the lower front of the housing and blows heated high-temperature air forward and downward, and a second air outlet is provided above the second air outlet, and the temperature of the blown air is lower than the indoor air temperature. a first air outlet that blows out low-temperature air that is high in temperature and lower in temperature than the high-temperature air that is blown out from the second air outlet; A heating unit that is provided inside the body and heats the inhaled air, and a blower that is also provided in the housing and that generates an air flow that sucks air from the suction port and blows out heated air from the first and second air outlets. A warm air heater, characterized in that the air passage from the suction port to the first air outlet is formed such that its width is gradually reduced toward the center of the air outlet side.