JPH06101856A - Heater device - Google Patents

Abstract

PURPOSE:To economically and simply prevent the cold trap phenomenon from being caused at a window during heating operation by a method wherein main surfaces are arranged in a chamber facing each other in positions corresponding to the two side edges of a discharge port. CONSTITUTION:A chamber 11 is arranged along the lower end part of a window 13. A suction port 14 is formed in the upper part of the chamber 11 and at a window and a discharge port 16 is formed in a top plate part 11a of the chamber 11 and on the opposite side to the window 13 of the suction port 14. Panel heaters 17 and 18 are arranged in the chamber 11 in a manner to correspond to the two side edge parts of the discharge port 16. The panel heaters 17 and 18 are arranged in a state that heating surfaces thereof are positioned facing each other and a ventilation flue 37 running from the lower part of the chamber 11 to the discharge port 16 is specified.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heater device.

[0002]

2. Description of the Related Art Conventionally, when heating a room, when the glass window of the room is provided, as shown in FIG. 5, cold air outside the room cools the room air in the vicinity of the glass window. 5 from the ceiling side toward the floor side, as shown in FIG.
There is a flow of cold air as shown by the arrow inside, so-called,
Cold draft phenomenon is likely to occur. Due to the cold draft phenomenon, the temperature in the vicinity of the feet of the person becomes extremely low, which may cause discomfort.

In order to prevent such a cold draft phenomenon, air heated by using a fan coil or the like is sent toward the window surface, or a panel heater is arranged on the wall surface under the window to prevent the cold draft phenomenon. Are being prevented.

[0004]

However, the former means for sending out heated air to the window surface has a drawback that it involves noise because it uses power. Also, in the latter method of arranging the panel heater, the cold draft cannot be sufficiently suppressed unless the panel heater is arranged over the front surface of the window, so that the installation work becomes large-scale and the cost required for the equipment is also great. Become. Thus, no means for economically and simply preventing the cold draft phenomenon has been found yet.

The present invention has been made in view of the above points, and provides a heater device capable of economically and easily preventing the cold draft phenomenon that occurs at the window during heating.

[0006]

According to the present invention, there is provided a chamber arranged along the lower end of a window, and a suction port formed in the upper portion of the chamber on the window side along the longitudinal direction of the chamber. An outlet formed along the longitudinal direction of the chamber on the upper surface of the chamber on the side opposite to the window of the inlet, and corresponding to both side edges of the outlet inside the chamber. A panel heater having a heating surface on the main surface side, the main surfaces of which are arranged to face each other at a position to define a ventilation path from the lower side of the chamber to the blowout port, and at least one of which faces the other. Provided is a heater device including a certain flat plate portion.

[0007]

According to the heater device of the present invention, a part of the cool air that descends toward the floor surface along the window surface is introduced into the chamber through the suction port and is introduced into the ventilation passage. Cold air is heated by the panel heater in the ventilation passage. The heated air is blown upward along the window surface from the blowout port by the rising force of the heated air. As a result, a part of the cold air is heated, and the cold air that has not been sucked from the suction port by the hot air blown up is prevented from flowing down toward the floor surface.

[0008]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a perspective view showing an example of the heater device of the present invention.

Reference numeral 11 in the drawing denotes a substantially L-shaped chamber provided along the waist wall 12 so as to define a predetermined space region between the waist wall 12 and the floor 19. Chamber 11
A suction port 14 is provided on the window 13 side of the top plate portion 11a. The suction port 14 is formed by arranging a side edge portion 11b of the top plate portion 11a on the window 13 side with a predetermined gap from the upper surface portion 12a of the waist wall 12, and a predetermined gap along the longitudinal direction of the chamber 11 in this gap. It is formed by arranging the spacers 15 at intervals. The distance between the suction port 14 and the window 13 is, for example, about 118 mm. The gap between the side edge portion 11a and the upper surface portion 12a is, for example, about 20 mm.

On the other hand, in the top plate portion 11a of the chamber 11,
An outlet 16 is provided on the opposite side of the inlet 14 from the window 13 and along the longitudinal direction of the chamber 11. The width of the outlet 16 is, for example,
It is about 20 mm. In addition, the suction port 14 and the wiping port 16
Is about 150 mm to 200 mm, for example.

Inside the chamber 11, the outlet 1
At positions corresponding to both side edges of 6, the panel heater 17,
18 are arranged. As shown in FIGS. 2 and 3, the panel heater 13 has a color steel plate 21 on one main surface and a wood board 23 to which a polyethylene sheet 22 is attached on the other main surface. Color steel plate 21 and wooden board 2
A heater wire 24 is provided between the heater 3 and the heater 3. Also,
A casing 25 containing a thermostat and a thermal fuse is arranged at a predetermined position of the wooden board 23, and the thermostat and the thermal fuse are electrically connected to the heater wire 24 inside. The housing 25 and the wooden board 23
The gap between and is filled with a filler 26 such as a die seal (trade name; two-component mixed polyurethane resin).
Both ends of the heater wire 24 are connected to a power cable 27.

A sensor wire accommodating portion 28 is formed at a predetermined position of the wooden board 23, and a sensor wire 29 is arranged inside. The terminal portion of the sensor wire 29 is led to the outside.

A panel heater 1 having such a structure
7 and 18 are arranged substantially parallel to the window 13 with their principal surfaces on the side of the color steel plate 21 facing each other. The panel heaters 17 and 18 are fixed as follows. First, the upper edge portions of the panel heaters 17 and 18 are attached via the aluminum frame 30 to the board attachment portions 32 and 33 that are provided substantially vertically from the both side edge portions of the outlet 16 toward the inside of the chamber 11. ing. On the other hand, the panel heater 17,
For the lower edge of the column 18, columns 34 are provided on the front surface side inside the chamber 11 at predetermined intervals, and a support portion 35 is provided at the lower end of the column 34 so as to project substantially perpendicularly to the column 34. There is. The groove portions 35a and 35b formed in the support portion 35 receive the aluminum frame 31 attached to the lower edge portions of the panel heaters 17 and 18, whereby the panel heater 1
7, 18 are supported.

In this way, the ventilation path 36 extending from the suction port 14 to the lower side of the cavity 11 by the top plate portion 11a of the cavity 11, the waist wall 12 and the main surface on the back side of the panel heater 18 forms the panel heaters 17 and 18. An air passage 37 extending from the lower side of the cavity 11 to the outlet 16 is defined during the period. Here, since it is necessary to generate a descending air flow inside the ventilation passage 36 as described later, in order to prevent the air passing through the ventilation passage 36 from being heated, the rear surface side of the panel heater 17 is not heated. No heating surface should be provided on which the heater wire 24 is routed.

Further, the power cable 27 and the sensor wire 29 of the panel heater wires 17 and 18 are connected to the control section 38.
Power cable 39 connected to
A power supply unit (not shown) is connected via.

According to the heater device 10 having such a structure, as shown in FIG.
Part of the cool air 41 that has descended along 3 is the suction port 14
Is introduced into the ventilation passage 36 via the. Further, the cold air 41 is introduced into the ventilation passage 37 defined between the panel heaters 17 and 18. Ventilation path 37 by the panel heaters 17 and 18
The inside of the is heated to a predetermined temperature. The surface temperature of the panel heater is preferably in the range of 40 ° C. to 50 ° C. The temperature of the panel heaters 17, 18 is measured by the sensor wire 29 according to the outside air temperature, and controlled by the controller 39.

As described above, the cold air 41 is heated to become the warm air 42, which is blown up from the outlet 16 to form an upflow. Due to this upward flow, the flow of the cold air 41 that has not been sucked in from the suction port 14 is blocked, and it is possible to prevent the cool air 41 from reaching the vicinity of the floor 19. As a result, it is possible to prevent the temperature around the person's feet from being remarkably lowered due to the cold draft phenomenon and to give an unpleasant feeling.

At this time, the flow of the cold air 41 and the warm air 42 is generated by the convection of the air, and since power such as a fan coil for blowing air is unnecessary, it produces almost no noise and is economical. Target.

In the above embodiment, the ventilation passage 37 is defined by the two panel heaters 17 and 18, but either one may be constituted by a simple partition plate having no heating means.

[0021]

As described above, according to the heater device of the present invention, it is possible to heat a part of the cold air generated at the window wrinkle during heating, and the flow of the cool air left by the flow of warm air generated by the heating. Can be stopped. As a result, the cold draft phenomenon can be economically and efficiently prevented,
The cold draft phenomenon has a remarkable effect such that it is possible to prevent a person from feeling uncomfortable because the temperature around the feet of the person is significantly lowered.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an example of a heater device of the present invention.

FIG. 2 is a plan view showing a panel heater used in the heater device of the embodiment.

FIG. 3 is a cross-sectional view showing the panel heater of the same embodiment when cut along the line AA ′ in FIG.

FIG. 4 is an explanatory view showing the flow of air when the heater device of the embodiment is applied.

FIG. 5 is an explanatory diagram showing the interior of a room when a cold draft phenomenon occurs.

[Explanation of symbols]

10 ... Heater device, 11 ... Chamber, 14 ... Suction port,
16 ... Blowout port, 17, 18 ... Panel heater.

Claims (1)

[Claims] 1. A chamber arranged along the lower end of a window, an inlet formed in the upper part of the chamber along the longitudinal direction of the chamber on the window side, and an upper part of the chamber. And an outlet formed along the longitudinal direction of the chamber on the side opposite to the window of the inlet, and main surfaces of the outlet facing each other inside the chamber at positions corresponding to both side edges of the outlet. And a flat plate portion that is a panel heater that defines a ventilation path from below the chamber to the outlet and that has a heating surface on at least one of the main surfaces facing the other. Characteristic heater device.