JPH07119989A - Electric heater - Google Patents

Abstract

PURPOSE:To permit uniform heating of the whole of a room efficiently by adjusting the radiating direction of a heater freely in accordance with the desire of users. CONSTITUTION:Flat type heaters 2A, 2B, having radiating directions, are arranged in electric heaters 1A, 1B. The side surfaces of the electric heaters 1A, 1B are connected by a bending adjusting means 8. The radiating directions (shown by arrow signs in a diagram) of heat from respective heaters 2A, 2B can be adjusted freely by adjusting the bending of the bending adjusting means 8 in accordance with the desire of users. According to this method, heat, radiated from the heaters 2A, 2B can heat the whole of a room uniformly and efficiently without being bothered by obstacles.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric heater in which the main body of the electric heater is bent and adjusted so that the radiation direction of the heater can be freely adjusted by the bending adjusting means according to the preference of the user. It is about.

[0002]

2. Description of the Related Art A conventional electric heater is constructed as shown in FIG. 6, and in FIG.
A flat heater 22 having a radiation surface is provided on the front surface of the electric heater so as to have a gap between the upper portion and the lower portion, and a protective fence 23 surrounding the heater 22 is disposed on the electric heater main body 21. The electric heater main body 21 is provided with a reflection plate 24 for reflecting heat radiated from the rear surface, and a power cord 25 for supplying electric power to the heater 22 is arranged below the electric heater main body 21. Power supply from cord 25 is O
A power switch 26 for N / OFF control is provided on the upper surface of the electric heater main body 21, and a leg portion 27 supporting the electric heater main body 21 is arranged below the electric heater main body 21. is there.

In the electric heater configured as described above, first, when the power cord 25 is connected to an outlet (not shown) and the power switch 26 is turned on, the heater 22 is energized and heat is generated from the front of the heater 22. Is radiated, and the heat radiated from the rear surface of the heater 22 is once reflected by the reflection plate 24 and then radiated from the gap between the electric heater main body 21 and the heater 22, or the heat is radiated from the gap by natural convection. It will be.

[0004]

However, in the electric heater constructed as described above, when warming the room by natural convection or in a small room (obstructions must be placed so as to block the radiation surface). In such cases, the heat radiated from the radiating surface is disturbed by obstacles, and there is a problem that the entire room cannot be heated uniformly.

The electric heater of the present invention solves the above-mentioned problems, and can efficiently heat the entire room uniformly without the heat radiated from the heater being obstructed by obstacles. The purpose is to provide an electric heater that can be used.

[0006]

In order to achieve the above object, an electric heater according to the present invention is provided with two planar heaters having a radiation surface in the electric heater body, one heater and the other heater. The electric heater main body can be bent and adjusted between the heater and the heater, and the electric heater main body can be bent and adjusted to freely adjust the radiation direction of the heater according to the user's preference. The bending adjusting means is provided.

According to a second aspect of the present invention, in the structure according to the first aspect, the bending adjusting means is configured to fold the electric heater body with one heater and the other heater facing each other. It will be.

[0008]

With the above structure, the radiation direction of the heater is freely adjusted by the bending adjusting means according to the preference of the user, so that the heat radiated from the heater is not obstructed by the obstacle and the efficiency is improved. Well, the entire room can be heated uniformly.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the electric heater according to the present invention is shown in FIG.
5 through FIG.

An embodiment of the electric heater according to the present invention is constructed as shown in FIGS. 1 to 4. In FIGS. 1 to 4, the electric heater main body 1 includes an electric heater unit 1A and an electric heater. And a flat heater 2A having a radiation surface on the front surface of the electric heating unit 1A and a flat heater 2B having a radiation surface on the front surface of the electric heating unit 1B. An insulator (not shown) is fitted and fixed to the.

A protective fence 3A surrounding the heater 2A is provided in the electric heater section 1A, and the heater 2B is provided.
A protective fence 3A surrounding the electric heater unit 1B is provided in the electric heater unit 1B, and a reflector plate 4A for reflecting heat radiated from the rear surface of the heater 2A is provided on the electric heater unit 1A on the rear surface side of the heater 2A.
And a reflector plate 4B for reflecting the heat radiated from the rear surface of the heater 2B is provided in the electric heater unit 1B on the rear surface side of the heater 2B.

Further, a power cord 5 for supplying electric power to the heaters 2A and 2B is arranged below the electric heating unit 1A, and the electric power supply from the power cord 5 is turned on / off.
A power switch 6 for controlling is provided on the upper surface of the electric heater unit 1A, and a leg portion 7 for supporting the electric heater unit 1 is arranged at a side end portion of the lower surface of the electric heater unit 1 for the electric heater unit 1A. A bending adjusting means 8 capable of adjusting bending is connected to the side surfaces of the electric heating units 1A and 1B so that the radiation surfaces of the heating units 1A and 1B face each other when bent.

Further, in the method for manufacturing the heaters 2A and 2B which are flat ceramic heaters, 70 parts by weight of silicon carbide powder (average particle size 5.5 [μm]) and metallic silicon powder (average particle size 5.9 [ μm]), and a total of 12 parts by weight of a methyl cellulose organic resin binder and a fatty acid sorbitan ester polyethylene glycol etc. as a molding aid, and mixed for about 5 minutes by a stirring means such as a mixer.

Further, after thoroughly kneading this mixture with a continuous kneader, a sheet having a thickness of 2.5 [mm] and a width of 240 [mm] is formed by a high-pressure vacuum extrusion molding machine at a forming pressure of about 50 [Kg / cm]. ² ] Extrusion molding, length 240 [mm]
After cutting to length, dry in a nitrogen atmosphere at 500 ° C
After deashing for 3 hours, reaction sintering is performed in a nitrogen atmosphere at 1400 [° C.] for 6 hours to remove silicon carbide (SiC) and silicon nitride (Si ₃
A porous ceramic sheet sintered body having a size of 240 × 240 × 2.5 made of a composite of N ₄ ) is produced.

The side end portions of this ceramic sheet sintered body are processed by aluminum thermal spraying 12 having a width of about 20 mm, and an aluminum plate 13 is applied thereto to be brazed, and the room temperature resistance 25
The heaters 2A and 2B having [Ω], rated voltage 100 [V], and output 600 [W] are manufactured.

An embodiment of the electric heater of the present invention is constructed as shown in FIG. 5, and in FIG. 5, a switch 10 is provided in a series circuit in which a commercial power source (AC power source) 9 and a power source switch 6 are connected. The heater 2A commercial power supply 9 is connected to the heater 2B in series by connecting the heater 2A and the heater 2B in series to the series circuit.
By connecting in series or parallel to
The switch 10 is interlocked to switch the outputs of the heaters 2A and 2B to 300 [W] and 1200 [W], for example.

The usage state of one embodiment of the electric heater configured as described above will be described. When using the radiation surface only in one direction, first use an outlet (not shown)
A power cord 5 is connected to the heaters, the rear surfaces of the heaters 2A and 2B are arranged so that the walls are not heated by radiation, and the bending adjusting means 8 is not bent as shown in FIG.
When the electric heater unit 1B is adjusted to be horizontal with respect to the electric heater unit 1A and the power switch 6 is turned on, the heaters 2A and 2B are energized, and the heat radiated from the front surfaces of the heaters 2A and 2B is Radiating in the direction of the arrow, the heaters 2A, 2
The heat radiated from the rear surface of B is reflected by the reflection plates 4A and 4B and radiated from the front surface of the electric heater body 1,
Only one side of the room can be heated quickly.

When used in a small room, etc., first,
Connect the power cord 5 to an outlet (not shown), and
As shown in FIG. 3, the bending adjusting means 8 is bent so that the radiation surface of the electric heating unit 1A and the radiation surface of the electric heating unit 1B face each other, and when the power switch 6 is turned on, the heaters 2A and 2B are turned on.
The heat radiated from the heaters 2A and 2B collides with each other, and hot air is emitted from the upper part of the electric heater main body 1, so that when used near the window, cold air outside is warmed. Can effectively prevent the heat radiated from the heaters 2A and 2B without being obstructed by obstacles, and can efficiently heat the entire room even in a small room.

Further, when using the radiation surface in two directions, first connect the power cord 5 to an outlet (not shown), and fold it so that the radiation directions are completely opposite, for example, as shown in FIG. When the music adjusting means 8 is bent, the electric heater main body 1 is arranged in the center of the room, and the power switch 6 is turned on, the heaters 2A and 2B are energized, and the heaters 2A and 2B are turned on.
Radiated from the front surface of the heater radiates in the direction of the arrow, and the heat radiated from the rear surface of the heaters 2A and 2B reflects the reflection plates 4A and 4A.
By reflecting at B and radiating from the front surface of the electric heater body 1, it is possible to efficiently and uniformly heat the entire room.

[0020]

Since the electric heater of the present invention has the above-mentioned structure, the heater is radiated by freely adjusting the radiating direction of the heater by the bending adjusting means according to the user's preference. The heat can be efficiently and uniformly heated throughout the room without being obstructed by the heat.

[Brief description of drawings]

FIG. 1 is an external perspective view showing a state in which a radiation surface is oriented in one direction and is used in an embodiment of an electric heater according to the present invention.

FIG. 2 is an external perspective view showing a state in which the electric heater according to the embodiment of the present invention is used in a small room or the like.

FIG. 3 is an external perspective view showing a state in which the radiation surface is oriented in two directions and used in an embodiment of the electric heater of the present invention.

FIG. 4 is a front view of a main part of a heater showing an embodiment of the electric heater of the present invention.

FIG. 5 is a main-part wiring diagram of an embodiment of the electric heater of the present invention.

FIG. 6 is an external perspective view of a conventional electric heater.

[Explanation of symbols]

 1 Electric heater main body 2A, 2B heater 8 Bending adjustment means

Claims (2)

[Claims] 1. An electric heater main body is provided with two flat heaters having a radiation surface, and the electric heater main body can be bent and adjusted between one heater and the other heater. An electric heater provided with a bending adjusting means for freely adjusting the radiation direction of the heater according to a user's preference by adjusting the electric heater main body by bending. 2. The electric heating machine according to claim 1, wherein the bending adjusting means is configured to fold the electric heating machine body with one heater and the other heater facing each other.