JPH09318072A - Electric heater and heat storage electric heater with deodorizing function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric heater with a deodorizing function used for heating an interior of a room, which is capable of cleanly and comfortably heating the interior of the room and simultaneously effecting deodorization. SOLUTION: This electric heater comprises a main body having an opening in a front face, an electric heater 2 and a reflecting plate 5 covered with a deodorizing catalyst 4 slantly disposed in a vicinity of the electric heater in such a manner as to expanding toward the opening in the front face so that when the electric heater 2 is energized, heating of an interior of a room is effected and the deodorzing catalyst 4 covering the reflecting plate 5 is simultaneously heated to exhibit catalytic activity and offensive odor is deoxidized and decomposed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric heater with a deodorizing function and a heat storage electric heater used for heating a room.

[0002]

2. Description of the Related Art Conventionally, an electric heater of this type has been disclosed in Japanese Patent Laid-Open No.
The one described in Japanese Patent No. 63350 is known.
The electric heater will be described below with reference to FIG.

As shown in the figure, a main body 101 having a front opening
Inside, a planar heater 102 having a radiation surface formed to be capable of radiating far infrared rays from both front and back surfaces is installed vertically or horizontally and the radiation surface 103 is installed in a direction perpendicular to the opening surface, A reflection plate 104 is provided at a position facing the radiation surface 103 so as to be inclined so as to spread toward the opening. Further, in order to provide such an electric heater with a deodorizing function, an activated carbon filter is used, or a heater used for the electric heater is a flat plate or a three-dimensional conductive member as described in JP-A-7-78674. An oxidation catalyst is supported and processed on ceramics.

[0004]

In such a conventional electric heater, periodical replacement of the activated carbon filter is required to maintain the deodorizing ability. When a conductive ceramic is used for the heater base material, the heater itself does not glow red, so it is required to take another means for producing a visual heating effect, and in order to increase the deodorizing speed,
It was necessary to increase the heater area.

The present invention is intended to solve such a conventional problem, and a quartz tube heater or the like can be used to obtain a visual heating effect, and a large catalyst coating area can be taken, so that the deodorization speed can be increased. It is an object of the present invention to provide an electric heater with a deodorizing function that can quickly and comfortably heat a room.

Another object of the present invention is to provide an electric heater with a deodorizing function, which is further improved in deodorizing effect by applying a deodorizing catalyst on the surface of the electric heater.

It is another object of the present invention to provide an electric heater with a deodorizing function having a radiant heating effect by using a far infrared ray emitting material as a deodorizing catalyst.

Another object of the present invention is to provide an electric heater with a deodorizing function, which further improves the deodorizing effect by providing a blowing means for forcibly blowing air along the creeping surface of the reflecting plate.

Another object of the present invention is to provide a heat storage electric heater capable of effectively performing indoor odor deodorization and heating during heat storage heat release operation by coating the surface of the heat storage material with a deodorization catalyst.

Further, since the deodorization catalyst is composed of an adsorbent and an oxidation catalyst, the deodorization can be performed by adsorption during normal operation and the deodorization catalyst can be regenerated at the time of heat storage. The purpose is to provide a heater.

[0011]

One means of an electric heater according to the present invention for solving the above-mentioned problems is to coat a deodorizing catalyst on a reflector installed near the electric heater.

[0012] Another means is to coat the surface of the electric heater with a deodorizing catalyst. Another means is that the deodorizing catalyst is made of a material having a far infrared radiation characteristic.

Further, another means is to provide a blowing means for forcibly blowing air along the creeping surface of the reflecting plate.

Another means is to cover the surface of the heat storage material of the heat storage electric heater with a deodorizing catalyst.

Another means is that the deodorizing catalyst is composed of an adsorbent and an oxidizing catalyst.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention comprises an electric heater, means for energizing the electric heater, and a reflector plate provided adjacent to the electric heater and coated with a deodorizing catalyst. With the configuration described above, when the electric heater is energized, the reflector plate is heated to the catalyst activation temperature to purify indoor air.

According to the second aspect of the present invention, the surface of the electric heater is coated with a deodorizing catalyst, which has the function of enhancing the deodorizing effect.

According to the third aspect of the present invention, the deodorizing catalyst is made of a material having a far-infrared radiation characteristic, and has a function of radiating far-infrared rays when an electric heater is used and having a radiant heating effect.

The invention according to claim 4 is provided with a blowing means for forcibly blowing air along the creeping surface of the reflecting plate. Since the indoor air and the deodorizing catalyst are efficiently contacted with each other, the deodorizing effect is further improved. Has the effect of increasing.

According to a fifth aspect of the present invention, the surface of the heat storage material is coated with a deodorizing catalyst, and a heat storage electric heater can be provided which releases a large amount of heat into the room at the start of operation and purifies indoor air. Have an effect.

According to the sixth aspect of the present invention, the deodorizing catalyst is composed of the adsorbent and the oxidation catalyst, so that the deodorizing catalyst is adsorbed by the adsorbing action of the deodorizing catalyst during normal operation and the deodorizing catalyst is regenerated during heat storage. It has the effect of providing a heat storage electric heater capable of deodorizing the room.

Embodiments of the present invention will be described below with reference to the drawings.

[0023]

【Example】

(Embodiment 1) FIG. 1 is a sectional view of an electric heater with a deodorizing function. In FIG. 1, a means 3 for energizing the electric heater 2 is connected to the inside of a main body 1 having a front opening. It is provided with a reflecting plate 5 covering the deodorizing catalyst 4 installed so as to spread toward the opening surface within 10 cm near the electric heater, and a guard 6 on the front surface of the main body.

In the above structure, when the electric heater 2 is energized, the reflection plate 5 coated with the deodorizing catalyst 4 is heated to a catalyst activation temperature of 200 ° C. or higher, and natural convection due to heat is also generated. 4 can perform air purification.

Although the electric heater is shown vertically, the same effect can be obtained even if it is horizontally installed without any problem.

The deodorizing catalyst 4 may be a catalyst containing at least a white metal noble metal, but the same effect can be obtained as long as it has a function of oxidizing and decomposing odorous components by heating.

The reflector is installed near the electric heater 1
Although it is set to 0 cm or less, it is preferably 2 to 3 cm, and if it is 10 cm or more, the deodorizing effect is deteriorated because the reflector is not sufficiently heated.

(Embodiment 2) The same parts as those in Embodiment 1 are designated by the same reference numerals, and detailed description thereof will be omitted.

The electric heater 2 is a quartz heater in which a nichrome wire is inserted inside a quartz glass tube, and the surface thereof is coated with a deodorizing catalyst 4 by a method such as spray coating or roll coating.

With the above structure, the catalyst coating area is increased, so that the indoor air purification function can be enhanced.

Although the quartz heater is used as the electric heater in this embodiment, the same effect can be obtained as long as the electric heater has a structure capable of coating the catalyst such as a sheath heater and a ribbon heater.

(Third Embodiment) The same parts as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

At least one of alumina and silica having far infrared radiation characteristics is added to the deodorizing catalyst 4.

With the above structure, the far-infrared emissivity of the electric heater can be improved, so that a radiant heating effect can be obtained and more comfortable heating can be realized.

As a material having far infrared radiation characteristics,
Although silica and alumina are shown, the same effect can be obtained if the ceramic has far infrared radiation characteristics such as titania.

(Embodiment 4) Detailed description of the same parts as those in Embodiment 1 will be omitted.

FIG. 2 shows a sectional view of an electric heater with a deodorizing function. In FIG. 2, the fan 7 and the outlet 8 are provided.

With the above structure, when the electric fan is operated, the blower fan 7 is also energized at the same time to form an air flow along the creeping surface of the reflecting plate 5, so that the indoor air is efficiently coated with the deodorizing catalyst. Circulate over. This promotes contact between the room air containing a bad odor and the deodorizing catalyst, and the effect of improving the deodorizing efficiency can be obtained.

(Embodiment 5) FIG. 3 shows a sectional view of a heat storage electric heater. In FIG. 3, it is provided with an air intake 9, an air blow passage 10, a fan 11, a heat storage material 12, a heat storage electric heater 13, a warm air electric heater 14 and an outlet 15.

In the above structure, when the heat is stored before the heating operation is started, the deodorization catalyst on the surface of the heat storage material is heated to 500 ° C. or more and fully activated by energizing the heat storage electric heater. Therefore, the indoor air containing a foul odor introduced from the air intake into the air duct during the heat storage heat release operation is contacted with the heat storage material and heated, and the foul odor components are oxidized and decomposed to effectively deodorize and heat the indoor odor. You can

(Sixth Embodiment) The same parts as those in the fifth embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

The deodorizing catalyst 5 contains at least zeolite and a noble metal. With the above configuration, the deodorization of the room is performed by the adsorbing action of the deodorization catalyst during the normal operation, and the deodorization catalyst is regenerated when the heat is stored, so that the deodorization of the room can be performed efficiently at all times.

[0043]

As described above, according to the present invention, by having the reflecting plate provided adjacent to the electric heater and coated with the deodorizing catalyst, the reflecting plate is heated to the catalytic activation temperature when the electric heater is energized, The beneficial effect of deodorizing the air is obtained. Further, by coating the surface of the electric heater with a deodorizing catalyst, an advantageous effect of enhancing the deodorizing effect can be obtained. Further, by forming the deodorizing catalyst with a material having a far-infrared radiation characteristic, it is possible to obtain an advantageous effect that far-infrared radiation is radiated when the electric heater is used and the radiation heating effect is also provided. Further, by providing the air blowing means for forcibly blowing the air along the creeping surface of the reflecting plate, the indoor air and the deodorizing catalyst are efficiently brought into contact with each other, so that an advantageous effect of further enhancing the deodorizing effect can be obtained. Further, by coating the surface of the heat storage material with the deodorizing catalyst, it is possible to provide an advantageous effect that it is possible to provide a heat storage electric heater that releases a large amount of heat into the room at the start of operation and deodorizes the indoor air. Also, by configuring the deodorizing catalyst from the adsorbent and the oxidation catalyst, the deodorizing effect of the deodorizing catalyst during normal operation deodorizes the room,
Since the deodorizing catalyst is regenerated at the time of heat storage, there is an advantageous effect that it is possible to provide a heat storage electric heater capable of constantly performing deodorization in the room.

[Brief description of drawings]

FIG. 1 is a side view showing an electric heater with a deodorizing function according to a first embodiment of the present invention.

FIG. 2 is a side view showing an electric heater with a deodorizing function according to a fourth embodiment of the present invention.

FIG. 3 is a configuration diagram showing a heat storage electric heater according to a fifth embodiment of the present invention.

FIG. 4 is a front perspective view showing a conventional electric heater.

[Explanation of symbols]

 1 Main Body 2 Electric Heater 3 Means for Energizing Electric Heater 4 Deodorizing Catalyst 5 Reflector 6 Guard 7 Blower Fan 8 Blowout Port 9 Air Intake 10 Blower 11 Fan 12 Heat Storage Material 13 Heat Storage Electric Heater 14 Hot Air Electricity Heater 15 outlet

Claims (6)

[Claims] 1. An electric heater, means for energizing the electric heater, a reflector plate provided in the vicinity of the electric heater and coated with a deodorizing catalyst, and a guard on the front surface of the main body, whereby the reflector plate is provided when the electric heater is energized. An electric heater with a deodorizing function that can be heated to the catalytic activation temperature to purify indoor air. 2. The electric heater with a deodorizing function according to claim 1, wherein the surface of the electric heater is covered with a deodorizing catalyst. 3. The electric heater with a deodorizing function according to claim 1 or 2, wherein the deodorizing catalyst is made of a material having far infrared radiation characteristics. 4. The electric heater with a deodorizing function according to claim 1, 2 or 3, further comprising a blower fan and an outlet provided so as to forcibly blow out air along the creeping surfaces of the reflecting plate. 5. An air intake, an air blow passage, a fan installed inside the air intake, a heat storage material installed inside the air blow passage, and a heat storage electric heater installed inside the heat storage material. An electric heater for warm air installed in the air passage behind the electric heater for heat storage and an outlet are provided, and by coating the surface of the heat storage material with a deodorizing catalyst, abundant heat is released into the room. A heat storage electric heater that can purify indoor air. 6. The heat storage electric heating machine according to claim 5, wherein the deodorizing catalyst comprises an adsorbent and an oxidizing catalyst.