JPS6339818B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION According to the present invention, from upper and lower hot air outlets provided on the front of a hot air heater body having upper and lower heating wind tunnels each containing two types of heat sources with different heating temperatures, It blows hot air of different temperatures at the same angle toward the indoor floor at the same time, and in particular covers the higher temperature lower layer warm air from above with the lower temperature warm air in the upper layer, suppressing the rise from the middle. This relates to a hot air heater that allows the high temperature of the lower layer to reach far into the room.

Fig. 1 shows a conventional hot air heater of this kind. In this figure, 1 is the main body of the hot air heater (hereinafter simply referred to as the main body), and 2 is an indoor circulating air heater provided on the rear wall of the main body 1. 3 is an air blower installed in the air inlet 3, 4 is a heat exchanger for heating the interior, 5 is a lower hot air outlet provided at the lower part of the front wall of the main body 1, and A is a lower heating device having these. The wind tunnel B shares the suction port 2 and the blower 3, and the partition plate C
An upper wind tunnel is formed above the lower heating wind tunnel A, 6 is an upper hot air outlet for indoor air provided at the upper part of the front wall of the main body 1 to be located in front of this upper wind tunnel A louver 8 is provided at the upper hot air outlet 6, a louver 8 is provided at the lower hot air outlet 5, 9 is a floor surface, and 10 is a ceiling surface.

The above figure 1 shows the heating operation state, in which a part of the indoor air sucked in from the suction port 2 of the main body 1 by the rotation of the blower 3 passes through the heating heat exchanger 4 in the heating wind tunnel A at the bottom. The air passes through the tunnel and becomes high-temperature air, which is blown diagonally downward from the lower hot air outlet 5 toward the floor 9 as shown by the solid arrow.The indoor air that has been diverted into the upper wind tunnel B is then blown into the upper hot air at the same indoor air temperature. From the outlet 6, the air is blown diagonally downward toward the floor 9 as indicated by the dotted arrow.

Conventional warm air heaters are configured as described above, so in the early stages of heating operation when the indoor air temperature is still cold, high-temperature air heaters with large temperature differences along the floor surface
The drawback was that low-temperature wind passed through the room, making occupants uncomfortable.

This invention was made in order to eliminate the drawbacks of the conventional ones as described above, and by increasing the temperature of the indoor air blown out from the lower hot air outlet and the upper hot air outlet of the main body to some extent from the beginning of heating operation, The purpose of this is to reduce the temperature difference between the two hot air blown into the room and perform initial heating operation using the warm air heater. The present invention will be explained below with reference to the drawings.

FIG. 2 is a sectional view showing an embodiment of the hot air heater according to the present invention, in which the same or corresponding parts as those in FIG. In this figure, 11 is a high-temperature heat exchanger installed in the lower heating wind tunnel A', and 12 is a heat exchanger with a temperature slightly lower than that of the high-temperature heat exchanger 11 installed in the upper heating wind tunnel B'. At the beginning of the heating operation, both heat exchangers 11 and 12 are operated simultaneously, and the lower hot air outlet 5 and the upper hot air outlet 6 are heated in two layers, upper and lower, at the same angle toward the floor 9. It is characterized by the provision of louvers 13 and 14 for blowing out wind.

Therefore, during the initial operation of heating by the hot air heater of the present invention configured as described above,
A part of the indoor air sucked through the suction port 2 of the main body 1 passes through the lower high temperature heat exchanger 11,
The air becomes hot and blows out diagonally downward from the lower hot air outlet 5 toward the floor 9 as indicated by the solid arrow. On the other hand, the indoor air diverted into the upper heating wind tunnel B' passes through the interior heat exchanger 12, becomes air that is heated to a temperature slightly higher than the room temperature at that time, and is passed through the upper hot air outlet 6 to the floor surface 9. Since the air is blown diagonally downward as shown by the dotted line arrow toward Because it is suppressed, the high-temperature wind that blows out can reach a long distance along the floor surface 9,
At this time, since the loops 14 and 13 provided in the upper and lower warm air outlets 6 and 5 are inclined downward at the same angle, the high temperature air in the lower layer is lower and heavier than the hot air in the upper layer, and the air flows upward. It is now in a state where it is suppressed and can effectively reach far distances,
Also, the temperature difference between these two air streams is reduced to a greater extent than in the prior art.

In addition, in the above embodiment, both heating wind tunnels A′,
Although we have described the case where two types of heat exchangers 11 and 12 with different temperatures are used as heat sources provided in B', it is also possible to use a combustor as the heat source for both or one of them. Of course.

As explained above, in the hot air heater of the present invention, the difference in temperature of the hot air blown out from the upper and lower air inlets on each adjacent top of the front of the hot air heater main body is such that at the beginning of the heating operation, Since it is reduced as desired compared to the conventional case, there is an advantage that the warm air can reach every corner of the room without causing a cold feeling at the initial stage of heating.

[Brief explanation of the drawing]

Figure 1 is a sectional view showing a conventional hot air heater;
The figure is a sectional view showing an embodiment of the hot air heater according to the present invention. In the figure, 1 is the hot air heater main body, 5 is the lower hot air outlet, 6 is the upper hot air outlet, 9 is the floor, 11, 12
is a heat exchanger, 13 and 14 are louvers, A' is a lower heating wind tunnel, and B' is an upper heating wind tunnel. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

[Scope of Claims] 1. Two types of heat sources with different heating temperatures inside the main body of the hot air heater are provided in upper and lower heating wind tunnels, respectively, and provided in front of each of these heating wind tunnels. The temperature of each heat source in each of the heating wind tunnels is adjusted such that the temperature of the upper and lower layers of hot air discharged into the room from the upper and lower hot air outlets adjacent to each other is lower than that of the upper layer of warm air than the lower layer of warm air. A warm air heater characterized by the following settings. 2 The hot air outlets on the front of each of the upper and lower heating wind tunnels installed in the hot air heater main body are each equipped with louvers to blow out hot air in two layers, upper and lower, at the same angle toward the indoor floor. A hot air heater according to claim 1, characterized in that: