KR100800119B1 - Electric heating device for radiant heat radiation - Google Patents

Abstract

The present invention provides a substrate, a heating layer, a radiant heat radiating layer that maintains a temperature of 85 to 105 ℃ when the power of energy density 750-800w / m ² is supplied, and preferably a heat insulating layer and / or surface roughening coating layer Provided is an electric heating device for spinning. In addition, the present invention is provided with a substrate, a heating layer, a radiant heat radiating layer that maintains a temperature of 150-170 ℃ when supplying power of energy density 1000-1400w / m ² , and preferably a heat insulating layer and / or surface roughening coating layer Provided is an electric heating device for radiant heat radiation. The device according to the invention helps metabolism of the human body by radiating radiant heat useful to the human body, and can be usefully used as a heating device by efficiently raising the room temperature.

Radiant heat, radiation, electric heater

Description

ELECTRICAL HEATING APPARATUS RADIATING RADIANT HEAT}

Figure 1 shows the structure of the electric heating device for radiant heat radiation according to one embodiment of the present invention.

Figure 2 shows the structure of the electric heating device for radiant heat radiation according to another embodiment of the present invention.

3 shows an example in which the electric heating device according to the present invention is connected to a power plug via a temperature sensor.

Figure 4 shows an example of mounting the electric heating device according to the present invention on the ceiling.

5 is a graph showing the radiation efficiency in the electric heating device manufactured according to the embodiment.

The present invention relates to an electric heating device for radiant heat radiation. Specifically, the present invention relates to an electric heating device for radiant heat radiation that can be used as an efficient heating device by radiating radiant heat electromagnetic waves having a strong penetration force against an organism including an human body.

In Korea, as a heating material, since the 19th century, mainly coal, coal, etc. have been used, and in recent years, a lot of oil and gas are used. However, these fossil energy has a problem of global warming due to the carbon dioxide generated in use, there is a problem of finite resources. Therefore, the development of non-fossil energy, such as nuclear power and alternative energy, is being actively made. However, nuclear power needs time to converge on public opinion because of the harmfulness of radiation. In addition, alternative energy development is still in its infancy, and there is a problem that expensive development costs are required.

On the other hand, looking at the efficiency of the heating has the following problems. In the case of heating using fossil fuel, a process of discharging the unsanitary gas generated during the combustion of the fossil fuel to the outdoors is required for the comfortable heating, and the heated indoor air is discharged to the outdoors, resulting in enormous energy loss. In addition, in the conventional convection heating, since the indoor heating temperature is greatly different according to the location of the heating device or the heating part, there is a problem that the heating efficiency is lowered because overheating is required to increase the temperature of the heating blind spot. Even when boilers, piping, valves, radiators, etc. are required as heating facilities, heat dissipation occurs in these auxiliary facilities, which greatly reduces the heating efficiency.

In addition, in the case of a heating device that requires facilities such as a boiler, piping, heat dissipation facility, and gas pipe, there is a problem in that installation cost is high and installation is complicated. In addition, in the case of a conventional heating device, there is always a risk of leakage of gas or oil.

The present invention, unlike the conventional heating devices having the above-mentioned problems, as the radiant heat heating by the radiant heat plate rather than the conventional convection heating is not only very high heating efficiency by eliminating or simplifying the heat transfer medium, but also penetrating power to organisms including the human body By emitting radiant electromagnetic waves having a strong wavelength, the room temperature can be raised efficiently and uniformly, and the radiant heat radiating electric heating device which can be useful for health support by activating the metabolism of the human body. It aims to provide.

The present invention relates to an electric heating device for radiant heat radiation comprising a substrate, a heat generating layer and a radiant heat radiating layer in a stacked form, wherein the radiant heat radiating layer has 85 to 800 w / m ² of electric power when an energy density of 750-800 w / m ² is applied to the heat generating layer. It provides an electric heating device for radiant heat radiation to maintain a temperature of 105 ℃.

In addition, the present invention is a radiant heat electric heating device comprising a substrate, a heat generating layer and a radiant heat radiating layer in a stacked form, when the radiant heat radiating layer is applied to the heat generating layer with an energy density of 1000-1400w / m ² It provides an electric heating device for radiant heat radiation to maintain a temperature of 150-170 ℃.

The electric heating device for radiant heat radiation according to the present invention may be stacked in the order of the substrate, the heating layer and the radiant heat radiating layer, or may be in the form of the heating layer, the substrate and the radiant heat radiating layer.

The electric heating device for radiant heat radiation according to the present invention may be further provided with an insulating layer on the outermost surface of the surface opposite to the surface provided with the radiant heat radiating layer, and further provided with a surface uneven coating layer on the radiating surface of the radiant heat radiating layer. Can be.

The electric heating device for radiant heat radiation according to the present invention can be used as a heating device.

Hereinafter, the present invention will be described in detail.

According to the first embodiment of the present invention, the radiant heat electric heating device of the present invention comprises a substrate, a heat generating layer and a radiation heat radiating layer in a stacked form, the energy density in the heating layer 750-800w / m ² The radiant heat radiating layer is characterized by maintaining a temperature of 85-105 ℃ when the power is applied.

Herein, when the radiant heat radiating layer maintains a temperature of 85 to 105 ° C. when an electric power having an energy density of 750-800 w / m ² is applied to the heat generating layer, radiant heat is supplied by supplying an energy density of 750-800 w / m ^{2 to} the heating layer. When heating the radiating layer, the temperature of the radiant heat radiating layer is initially raised, but after a certain time elapses, the temperature is no longer increased due to energy loss due to the radiation of radiant heat or the like. it means. Here, the temperature of the radiant heat radiating layer is based on the case where the ambient temperature is 40 degreeC, and is as follows.

According to the second embodiment of the present invention, the radiant heat radiation electric heating apparatus of the present invention includes a substrate, a heat generating layer and a radiant heat radiating layer in a stacked form, the energy density 1000-1400w / m ² in the heat generating layer The radiant heat radiating layer is characterized by maintaining a temperature of 150-170 ℃ when the power is applied. Here, the meaning that the radiant heat radiating layer maintains the temperature of 150-170 ° C. when the power of the energy density 1000-1400w / m ² is applied to the heat generating layer is as described in the first embodiment of the present invention.

Radiation is the phenomenon in which particle beams or electromagnetic waves are emitted by natural and artificial phenomena and actions other than atomic nucleus and small particle conversion. Most materials, regardless of whether they are organic or inorganic, have a high temperature when heat is applied, and vary in the amount or wavelength of radiant heat emitted. However, in the present invention, when the heat generating layer is applied and the energy density of the power 750-800w / m ² of the radiant heat-emitting layer is to configured to maintain the temperature of 85-105 ℃ or energy density 1000-1400w / m ² Power When applied, the radiant heat radiating layer is configured to maintain a temperature of 150-170 ℃. The inventors have found that the radiant heat radiating efficiency is high when the radiant heat radiating layer maintains a temperature of 85-105 ° C., and in particular, can radiate radiant heat electromagnetic waves having a wavelength of 8 to 10 μm or slightly shorter than the radiant heat electromagnetic waves. . Even when the temperature of the radiant heat radiating layer is 150-170 ° C., the radiant heat radiating efficiency is high and the radiant heat electromagnetic wave having a wavelength of 8 to 10 μm or slightly shorter can be emitted.

Radiation heat electromagnetic waves having a wavelength of 8 to 10 µm are known to have a very strong penetration force into organisms including the human body. When the radiant heat electromagnetic wave of the wavelength is absorbed by an organism including the human body, the radiant heat electromagnetic wave transfers the retained energy to an object present around the absorbed object to induce heat generation, thereby raising the temperature of the surrounding object and air. Can be. In addition, the radiant heat electromagnetic wave of the wavelength may help the body's metabolism and cause a health supplement effect.

In the present invention, in order to maintain the temperature of the radiant heat radiating layer at a temperature of 85 to 105 ° C or 150-170 ° C, the constituent components of the radiant heat radiating layer, the energy density of the power supplied to the device of the present invention, or the device of the present invention The requirements, such as the composition of the layers, must be adjusted.

In the present invention, in order to form a radiant heat radiating layer, in the case of applying an energy density of 750-800w / m ² to the heating layer to a material or heating layer that can be heated by the heating layer to maintain a temperature of 85 ~ 105 ℃ When applying an energy density of 1000-1400w / m ² can be used a material that can be heated by the heating layer to maintain a temperature of 150-170 ℃. For example, inorganic materials such as TiO ₂ , SiO ₂ , ZrO ₂ , Al ₂ O ₃ , Fe ₂ O ₃ , MnO ₂ , 2MgO · 2Al ₂ O ₃ · 5SiO ₂ , Al ₂ O ₃ · TiO _2, and the like may be used. More preferably, an inorganic material selected from the group consisting of TiO ₂ , SiO ₂ , ZrO ₂ , Al ₂ O ₃ , Fe ₂ O _3, and MnO ₂ is used. The inorganic materials may be used alone or in combination. In particular, TiO ₂ is very suitable for maintaining a temperature of 85 to 105 ° C. when the energy of the above-described energy density is applied to the heat generating layer and heated by the heat generating layer. In addition, when two or more kinds of inorganic materials selected from the group consisting of TiO ₂ , SiO ₂ , ZrO ₂ , Al ₂ O ₃ , Fe ₂ O ₃ , and MnO ₂ are mixed and used, radiant heat having a high wavelength of 8 to 10 μm is high. The radiation efficiency can be radiated, and by adding silver nano powder or tourmaline to it, it is possible to add antibacterial action and generation of negative ions.

In one embodiment of the present invention, a mixture of TiO ₂ , SiO ₂ , ZrO ₂ , Al ₂ O ₃ , Fe ₂ O ₃ , MnO ₂ , silver nanopowder and tourmaline may be used as the radiant heat radiating layer material. If the amount thereof is used, TiO ₂ 3-5 wt%, SiO ₂ 20-25 wt%, ZrO ₂ 5-7 wt%, Al ₂ O ₃ 5-7 wt%, Fe ₂ O ₃ 5-7 wt%, MnO ₂ 5-7% by weight, silver nano powder 3-5% by weight, tourmaline 3-5% by weight, and the balance may be used as an auxiliary alcohol and / or alkoxy silane. Preferably, the alcohol is used at 5-15% by weight, and the alkoxy silane is preferably used at 20-25% by weight.

The radiant heat radiating layer material used in the present invention is of high purity, preferably of large particle size, for example, of 350 mesh or more.

In the present invention, the radiant heat radiating layer may be formed by mixing the inorganic material as described above with an adhesive and, if necessary, a solvent, applying it to the first surface of the substrate or the heating layer, and then drying. In the present invention, the adhesive for forming the radiant heat radiation layer preferably has thermal conductivity and heat resistance, preferably 150 ° C or more, more preferably 200 ° C or more, and is not particularly limited to the material. . For example, resin, specifically, acrylic resin, epoxy resin, etc. can be used. Moreover, a ketone solvent can be used as said solvent.

In the present invention, the substrate serves to support the radiant heat radiating layer and the heat generating layer, and the material is not particularly limited. The substrate may be composed of a synthetic resin plate, it may be composed of a plate made of stainless or aluminum. However, in the present invention, it is excellent in heat resistance as the substrate, preferably there is no chemical and physical change at 85-105 ° C or 150-170 ° C, which is the operating temperature of the apparatus of the present invention, and the coefficient of thermal expansion between the operating temperature and room temperature is Preference is given to those similar to the peripheral layers, such as the exothermic layer and the radiant heat radiating layer, which contact. In addition, the substrate material is preferably a material which is excellent in thermal conductivity and small in specific gravity, which is helpful in manufacturing the device of the present invention at a light weight. It is very important that the device of the present invention be lightweight, since the device of the present invention must be placed on the ceiling or wall when in use. In particular, when the electric heating device for radiant heat radiation of the present invention has a structure in which a heat generating layer, a substrate, and a radiant heat radiating layer are sequentially stacked, the substrate is preferably composed of an aluminum plate.

In the present invention, the material constituting the heat generating layer is not limited as long as the material can generate heat when power is supplied from the outside. However, it is preferable that the heating layer material has a small change in resistance due to temperature change, that is, a low temperature coefficient of resistance, excellent flexibility, and small physical and chemical changes. For example, when the exothermic thin wire used as the exothermic layer material has low mechanical strength or the surface is oxidized to increase the contact resistance, the operation of the apparatus of the present invention may be adversely affected.

For example, in the present invention, a heating wire such as iron chromium (Fe-Cr) or nichrome (Ni-Cr) is preferably a synthetic resin having stability at a high temperature of 200 ° C. or higher, such as Teflon of DuPont, USA What is coated with (Teflon), silicone resin, etc. can be used. The heating wire coated with the synthetic resin may generate heat when power is supplied to transfer heat to the radiant heat radiating layer.

In the present invention, the heating layer may be formed by bonding the heating wire coated with the synthetic resin as described above to the substrate using an adhesive. The adhesive which can be used herein is excellent in adhesive strength, heat resistance, preferably at 150 ° C. or higher, more preferably at 200 ° C. or higher, and preferably not deformed or cracked due to temperature change. In order to quickly transfer the heat generated in the heat generating layer to the radiant heat radiating layer, it is preferable that the thermal conductivity is excellent. In the present invention, various types of adhesives, such as a solution or a gel, can be used.

In the present invention, in the case of adhering the heating wire coated with a synthetic resin to the substrate as described above, in order to ensure adhesion, a foil made of aluminum or the like may be attached to the upper surface to which the heating wire is attached using an adhesive or the like. have.

The electric heating device for radiant heat radiation of the present invention may have a structure in which a substrate, a heat generating layer, and a radiant heat radiating layer are sequentially stacked as illustrated in FIG. 1, but as shown in FIG. 2, a heat generating layer, a substrate, and a radiant heat radiating layer. This may be a sequentially stacked structure. However, in the former case, since the heat generating layer must be formed on the substrate, and then the radiant heat radiating layer must be formed thereon, the process may be time consuming and complicated, but in the latter case, The heat generating layer is advantageous in the process because it is possible to form the radiant heat radiating layer independently on the other side of the substrate.

The electric heating device for radiant heat radiation of the present invention has a heat insulating layer on the outermost surface of the surface adjacent to the outer placement surface, that is, the surface opposite to the surface provided with the radiant heat radiating layer when the device of the present invention is disposed in a predetermined space. can do. When the heat insulation layer is provided in this way, the heat emitted from the heat generating layer is prevented from being dissipated to the surface opposite to the surface provided with the radiant heat radiating layer so that radiant heat can be efficiently radiated in the direction of the radiant heat radiating layer. In addition, it is possible to prevent the fire by blocking the heat generated in the heat generating layer by the heat insulating layer.

In the present invention, the heat insulating layer material is preferably incombustible and lightweight, and for example, it is preferable to use a gypsum board or a high-density glass fiber board, and among these, it is more preferable to use a high-density glass fiber board with light weight and less pollution problem. In the case of using the glass fiber board as the heat insulating layer material, the outer exposed surface of the glass fiber board may be coated with an adhesive treated glass fiber cloth to prevent the exposure of the glass fiber. However, it is not limited to these materials, and any heat insulating material known in the art can be used without limitation. The thickness of the insulating layer may be determined by those skilled in the art in consideration of the weight and volume of the entire apparatus or other processes, but in the present invention, the thickness is most preferably around 25 mm.

The heat insulation layer may be formed by adhering the above-described heat insulation layer material to a substrate or a heat generating layer with an adhesive, or may be formed by assembling with a substrate or a heat generating layer without an adhesive. For example, the device of the present invention can be assembled without adhesive by fixing the heat insulating layer, the heat generating layer, the substrate and the radiant heat radiating layer constituting the device of the present invention with an aluminum frame.

The electric heating device for radiant heat radiation of the present invention may further include a surface asperity-coated coating layer on the surface for radiating the radiant heat of the radiant heat radiating layer. Such a coating layer can increase the radiation efficiency by roughening the radiant heat radiating surface of the device of the present invention to increase the radiated area of radiant heat. In addition, when a part of the human body is closed to the surface roughening coating layer, the contact surface is relatively small, and the surface roughening coating layer has a lower temperature than the radiant heat radiating layer, thereby reducing the risk of a user's burn.

The surface asperity-treated coating layer may be formed of, for example, a mixture of silicon dioxide (SiO ₂ ) and calcium oxide (CaO ₂ ). As a formation method, a method of preparing a supersaturated aqueous solution using the materials exemplified above, and then coating the supersaturated aqueous solution on the surface of the radiant heat radiation layer and drying the solvent may be used. When using such a method, the texture of the particles of the material can remain intact, roughening the surface of the device of the present invention and increasing the radiation surface.

The size of the device of the present invention can be determined by one skilled in the art depending on the end use or process conditions. Further, each layer constituting the device of the present invention does not have to be all the same size, and the size can be adjusted as long as it can function as each layer described above.

Radiation room using an electric heating device according to the invention being a lead line for supplying an energy density of 750 power 800w / m ² or power 1000-1400w / m ² of the heat generating layer is led to the outside is connected to the power plug, the present Power can be supplied to the device of the invention. The electric heating device for radiant heat radiation according to the present invention has a surface temperature of 85 to 105 ° C and 1000-1400w / when the surface temperature is about 750-800w / m ² after about 10 minutes when the rated current starts to flow. The application of electric power of m ² leads to 150-170 ° C and radiates radiant heat. When the radiant heat waves hit objects, including the human body, walls and floors, the energy turns into heat and the temperature of the object begins to rise. The object can then transfer heat to the surrounding air and consequently raise the room temperature. As illustrated in FIG. 3, when the lead wire for supplying power to the body of the present invention is connected to a power plug via a thermostat, the temperature sensor of the thermostat detects a change in room temperature and supplies power according to the detected content. The circuit can be opened and closed.

The electric heating device for radiant heat radiation of the present invention can be mounted at, for example, the front or part surface of a ceiling in a building, or a part of a wall surface, preferably at a height not reachable to humans. In addition, the apparatus of the present invention may be manufactured and applied to a size suitable for the area to be applied, but a method of applying a plurality of devices to the area to be applied to the device of the present invention manufactured to a predetermined size may be used. The mounting method and mounting location can be determined by the user according to the usage and space utilization. An example mounted to the ceiling is illustrated in FIG. 4.

The present invention will be described in more detail with reference to the following Examples. However, the scope of the present invention is not limited by the following examples.

Example  One

A mixture of TiO ₂ powder (350 mesh), an acrylic adhesive, and a ketone thinner solvent was applied onto the first surface of a pure aluminum substrate having a thickness of 0.6 mm, and then the solvent was dried to form a radiant heat radiating layer. Subsequently, a supersaturated aqueous solution of SiO ₂ and CaO ₂ was coated on the surface of the radiant heat radiating layer, and the solvent was dried to form a surface asperity coated layer.

Meanwhile, two types of nichrome wire coated with Teflon on the second surface of the aluminum substrate were bonded using an acrylic adhesive to form a heat generating layer. At this time, the nichrome wire was arranged in a zigzag shape so as to be evenly distributed on the entire surface of the heating layer. Subsequently, an aluminum foil was adhered with an adhesive on the teflon-coated nichrome wire. Subsequently, a heat insulating layer was formed by arranging a glass fiber plate (BOD 96 1000 × 2000) having a thickness of 25 mm on the aluminum foil and fixing it as an aluminum frame.

When a power source having a power consumption density of 750 to 800 Watt / m ² was supplied to the radiant heat electric heating device manufactured as described above, the temperature of the surface roughness coating layer surface after 10 minutes was in the range of 85 to 105 ° C. The temperature of the heat insulation layer comprised of the glass fiber board was 30-40 degreeC. Radiant heat radiated from the device was measured by the Korea Institute of Energy Research, and the results are shown in FIG. 5.

As shown in FIG. 5, the apparatus exhibited 93.5% of radiation efficiency in the range of 2.49 μm to 25 μm, and particularly showed the highest radiation efficiency of the 9 μm wavelength band.

Example 2

On the first surface of a pure aluminum substrate having a thickness of 0.7 mm, SiO ₂ (25 wt%), ZrO ₂ (5 wt%), Al ₂ O ₃ (7 wt%), TiO ₂ (5 wt%), Fe A radiation inorganic material comprising ₂ O ₃ (5% by weight) and MnO ₂ (5% by weight), an additive comprising silver nanopowder (3% by weight) and tourmaline (5% by weight), and an alkoxy silane adhesive (25 Wt%) and an alcohol solvent (15 wt%) were applied, and then the solvent was dried to form a radiant heat radiating layer.

Meanwhile, two types of nichrome wire coated with Teflon on the second surface of the aluminum substrate were bonded using an acrylic adhesive to form a heat generating layer. At this time, the nichrome wire was arranged in a zigzag shape so as to be evenly distributed on the entire surface of the heating layer. Subsequently, an aluminum foil was adhered with an adhesive on the teflon-coated nichrome wire. Subsequently, a heat insulating layer was formed by arranging a glass fiber plate (BOD 96 1000 × 2000) having a thickness of 25 mm on the aluminum foil and fixing it as an aluminum frame.

When a power source having a power consumption density of 750 to 800 Watt / m ² was supplied to the radiant heat radiating electric heating device manufactured as described above, the temperature of the radiant heat radiating layer surface after 10 minutes was in the range of 85 to 105 ° C., and the glass The temperature of the heat insulation layer comprised of the fiber board was 30-40 degreeC. The radiant heat radiated from the apparatus was measured, and results similar to those of FIG. 5 were obtained.

The electric heating device for radiant heat radiation according to the present invention enables energy-saving high-efficiency heating to heated objects such as the human body, and can promote metabolism of the human body by efficiently radiating radiant heat electromagnetic waves of useful wavelengths to the human body. For example, it can be used as a heating device by efficiently raising the room temperature. In addition, the antimicrobial effect on the living environment and the effect of health supplement by anion can be expected.

Claims (15)

delete delete delete delete delete delete delete delete delete delete delete delete An electric heating device for radiant heat radiation comprising a substrate, a heat generating layer, and a radiant heat radiating layer, in which a heat generating layer is laminated on one surface of a substrate and a radiant heat radiating layer is laminated on the other surface of the substrate or the heat generating layer. The radiant heat radiating layer maintains a temperature of 85-105 ° C. upon supplying an energy density of 750-800w / m ² . The radiant heat-emitting layer is 3-5 wt% TiO ₂ ; SiO ₂ 20-25 wt%; 5-7 wt% ZrO ₂ ; 5-7 weight percent Al ₂ O ₃ ; Fe ₂ O ₃ 5-7 wt%; MnO ₂ 5-7 wt%; Silver nano powder 3-5 wt%; Tourmaline 3-5% by weight; And An electric heating device for radiant heat radiation comprising a residual amount of at least one component selected from alcohols and alkoxy silanes. delete An electric heating device for radiant heat radiation comprising a substrate, a heat generating layer, and a radiant heat radiating layer, in which a heat generating layer is laminated on one surface of a substrate and a radiant heat radiating layer is laminated on the other surface of the substrate or the heat generating layer. The radiant heat radiating layer maintains a temperature of 150-170 ° C. upon supplying an energy density of 1000-1400w / m ² . The radiant heat-emitting layer is 3-5 wt% TiO ₂ ; SiO ₂ 20-25 wt%; 5-7 wt% ZrO ₂ ; 5-7 weight percent Al ₂ O ₃ ; Fe ₂ O ₃ 5-7 wt%; MnO ₂ 5-7 wt%; Silver nano powder 3-5 wt%; Tourmaline 3-5% by weight; And An electric heating device for radiant heat radiation comprising a residual amount of at least one component selected from alcohols and alkoxy silanes.

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