JP3212581U - Planar heating element with deodorant, antibacterial and antifungal effects - Google Patents

Abstract

An object of the present invention is to provide a planar structure with improved sterilization performance of airborne bacteria in the air while realizing safety and space saving when applied to a structure of an indoor space. The sheet heating element 10 includes a sheet-like conductive layer 20 that generates heat when energized, and insulating coating layers 30 and 40 that insulate and coat the front and back sides of the conductive layer 20. In the planar heating element 10, the insulating coating layer 30 includes a weak radiation-generating ore powder 50. According to this, the density | concentration of a positive ion and a negative ion increases rather than the case where the sheet | seat which disperse | distributed the powder 50 of the weak radiation generation ore is only placed in the indoor space of a building, and the disinfection performance of the floating bacteria in an indoor space Can be improved. [Selection] Figure 1

Description

  The present invention relates to a planar heating element having a deodorizing, antibacterial and antifungal effect, and more particularly to a planar heating element which is installed in a building for heating purposes and exhibits a deodorizing, antibacterial and antifungal effect.

  In the past, there has been a growing need to remove airborne bacteria harmful to the human body from living spaces and create a healthy and comfortable living space. The technology for removing contaminants and various ions using various filters sterilizes floating bacteria. Technology has been developed.

  As a specific example of the technique for sterilizing floating sterilization, the method and apparatus disclosed in Patent Document 1 are known.

Specifically, in Patent Document 1, an ionization phenomenon due to discharge or the like is caused in the atmosphere by applying an alternating high voltage between the electrodes, and H ⁺ (H ₂ O) _n and negative ions as positive ions generated simultaneously. Method for taking in and removing floating bacteria in the air with active species (H ₂ O ₂ (hydrogen peroxide) or .OH (hydroxyl radical)) generated by a chemical reaction of O ₂ ^— (H ₂ O) _n as ions And an apparatus are disclosed.

Patent Document 2 discloses a synthetic resin sheet in which an actinide (thorium oxide or the like) -containing ore refined material that generates ions (presumably positive ions and negative ions) without applying a voltage is disclosed. . According to this, 3,000 ions / cm ³ are generated from the obtained sheet, and deodorizing effect such as ammonia gas, antifungal effect, and antibacterial effect are obtained. Moreover, since it is not necessary to apply an alternating voltage, electric energy is unnecessary and it can also be used for removal of floating bacteria in a facility without a power source.

Japanese Patent No. 3680121 International Publication No. 2014/045462

  However, according to the apparatus of Patent Document 1, it is possible to take in and remove suspended bacteria in the air, but it cannot be used in a facility without a power source. Also, since an alternating high voltage is applied between the electrodes to cause ionization such as discharge in the atmosphere, an ion generator combined with a cylindrical glass tube and an electrode, and a cylinder or box covering the ion generator A cylindrical insulating structure is essential, and when it is installed on the wall or floor of a building, this cylindrical or box-like structure protrudes and becomes an obstacle.

  In recent years, space saving is particularly important in residential areas in the center of Tokyo, and it is difficult to adopt the protrusion of such a structure from the viewpoint of practicality and design.

Moreover, according to the resin sheet of patent document 2, it is not necessary to apply a voltage and can generate | occur | produce ion safely. However, according to Patent Document 1, in order to expect a bactericidal effect, an ion concentration of 10,000 ions / cm ³ or more is necessary, and the ion concentration measured from the resin sheet of Patent Document 2 is 3,000. Because of / cm ³ , further improvement in the sterilization effect has been demanded.

  The present invention has been made in view of the above problems, and its purpose is to ensure the sterilization performance of airborne bacteria in the air while ensuring safety and saving space when applied to an indoor space structure. The object is to provide an improved planar structure.

  The present invention was designed to improve the antibacterial effect of a sheet containing a powder of actinide-containing minerals such as thorium oxide. It was made by paying attention to the remarkable increase in the amount.

  That is, the device according to claim 1 for achieving the above-mentioned object is installed in a building, and insulates and covers the planar conductive layer that generates heat when energized, and the front and back sides of the conductive layer. The planar heating element having an insulating coating layer is characterized in that at least one of the multiple layers contains a powder of weak radiation generating ore.

  According to this configuration, the amount of ions generated on the coating layer increases, and the sterilization performance of airborne bacteria in the air can be improved.

  The planar conductive layer has an insulating coating on the front side and the back side, and ions are generated due to the weak radiation-generating ore powder in the insulating coating layer, thus ensuring safety.

  Moreover, since the structure of the planar heating element itself is a flat sheet, it does not get in the way when it is placed indoors and does not impair the design.

  The invention according to claim 2 is the planar heating element according to claim 1, wherein the conductive layer is arranged such that the surface side of the conductive layer faces the indoor space of the building, The weak radiation generating ore powder is contained in an insulating coating layer for insulating coating the surface side of the conductive layer.

  According to this configuration, since the surface of the conductive layer, that is, the insulating coating layer on the indoor space side of the building contains the powder of weak radiation generating ore, the generated weak radiation and air in the indoor space ( The contact distance with water molecules (including water molecules) is short, and higher ion generation and bactericidal effects can be expected.

  The invention according to claim 3 is characterized in that in the planar heating element according to claim 1 or 2, the sheet heating element is installed on an indoor floor of the building and used for floor heating.

  According to this configuration, when effective sterilization of airborne bacteria and accumulated bacteria is required on the indoor floor of the building that is stepped on by human feet and in the vicinity of the floor, most ions are generated in the floor and in the vicinity of the floor. The amount becomes high and more effective sterilization can be performed.

  The invention according to claim 4 is characterized in that in the planar heating element according to claim 1 or 2, the sheet heating element is installed in an indoor wall portion of the building and used for wall heating.

  It is difficult for the wall of the building to accommodate the structure. Therefore, the presence of the convex part is a problem. According to this configuration, the surface heating element is floated along the flat wall. Since the sterilization performance of bacteria can be enhanced, the design and practicality of the wall portion are not impaired while obtaining the sterilization performance.

  According to the present invention, the amount of ions generated on the coating layer increases, and the sterilization performance of airborne bacteria in the air can be improved.

  The planar conductive layer has an insulating coating on the front side and the back side, and ions are generated due to the weak radiation-generating ore powder in the insulating coating layer, thus ensuring safety.

  Moreover, since the structure of the planar heating element itself is a flat sheet, it does not get in the way when it is placed indoors and does not impair the design.

  Therefore, it is possible to obtain a high sterilization effect of airborne bacteria in the air with a configuration almost unchanged from the conventional floor heating or wall heating by the planar heating element, and it is possible to improve the comfort of the living space.

It is a disassembled perspective view of the planar heating element which concerns on embodiment of this invention. It is an enlarged view of the A section of FIG. It is a figure which shows the modification of the dispersion | distribution fixation of the powder 50 of the weak radiation generation ore to an insulation coating layer. It is a perspective view which shows typically the heat plus used for Example 1. FIG.

  Next, the planar heating element according to the embodiment of the present invention will be described in detail with reference to FIG. 1 and FIG. FIG. 1 is an exploded perspective view of a planar heating element 10 according to the present embodiment, and FIG. 2 is an enlarged view of a portion A in FIG.

  Examples of buildings include condominiums, buildings where commercial facilities and offices enter, ordinary houses, and warehouses. Inside the building, the planar heating element 10 is installed on a wall or floor.

  As shown in FIG. 1, the planar heating element 10 has a configuration in which the conductive layer 20 is insulatively coated with a front-side insulating coating layer 30 and a back-side insulating coating layer 40.

[Conductive layer]
The conductive layer 20 is a planar conductive layer that generates heat when energized. Since the conductive layer is a resistor, it generates heat when energized. As the conductive layer 20, a polymer in which conductive particles 12 are dispersed may be used, or a linear resistor may be attached to a planar material.

  The conductive particles 12 dispersed in the polymer may be manufactured by printing or impregnating the conductive particle 12-containing ink on a thin film or cloth of a polymer material and then drying and fixing the conductive material 12. You may manufacture by shape | molding in the sheet form by extrusion molding and calendar molding from the ink containing the particle | grains 12 and curable resin.

  Examples of the conductive particles 12 include carbon-based particles such as graphite and carbon black, and examples of the polymer material include polyethylene terephthalate (PET) resin, polyolefin resin, fluorine resin, epoxy resin, and water-soluble resin.

  As what comprised the linear resistor affixed on the planar material, what provided the tubing heater in base materials, such as a nonwoven fabric, etc. are mentioned.

  In this embodiment, as shown in FIG. 2, the conductive layer 20 is obtained by impregnating a plain weave fabric composed of warps 20a and wefts 20b made of fibers with a carbon black-containing ink and then drying and fixing the fabric. Used. Before impregnating the carbon black-containing ink, the woven fabric has a waterproof coating portion 21 that is waterproof-coated at predetermined intervals. Therefore, even after the impregnation treatment with the carbon black-containing ink, the waterproof coating portion 21 is formed on the woven fabric. Is not impregnated with carbon black-containing ink and is a portion having no electrical conductivity. Therefore, when the sheet heating element 10 is cut from the waterproof coating portion 21, water does not enter, and since there is no electrical conductivity, insulation treatment is easy.

  Band-shaped electrodes 22 and 23 are provided at both ends in the short direction of the conductive layer 20, respectively. The electrodes 22 and 23 are formed by using silver pastes 22a and 23a as adhesives on the conductive layer 20 and attaching copper plates 22b and 23b from above.

[Insulation coating layer]
The insulating coating layers (the front-side insulating coating layer 30 and the back-side insulating coating layer 40) have insulating properties that can insulate the conductive layer 20, flexibility that can withstand bending, and mechanical strength that can withstand scratching and pressing. And heat resistance that can withstand the heat generated by the planar heating element 10 is required.

  Examples of materials that satisfy such requirements include synthetic resin sheets such as polyethylene, polypropylene, polyester, polyethylene terephthalate (PET), polyvinyl chloride, and polyamide. Among these, it is preferable to use a PET film from the viewpoint of heat resistance and mechanical strength.

  Further, the insulating coating layer may include a rubber-based resin layer or a non-woven fabric layer on the conductive layer 20 side in order to improve insulation and stretchability. As a result, when the conductive layer 20 expands in the surface spreading direction due to heat generation, the insulating coating layer may be pulled and damaged, or the joint surface between the two may be peeled off. (Or the non-woven fabric layer) intervenes between the two and expands and contracts, and the problem of breakage or peeling of the insulating coating layer can be solved.

  Further, the insulating coating layer may be configured such that a rubber-based resin layer or a nonwoven fabric layer is sandwiched between synthetic resin sheets. An example of such a configuration is shown in Example 1 (see FIG. 4).

  In the present embodiment, the surface-side insulating coating layer 30 includes a non-woven fabric 32 adhered to the surface of the conductive layer 20 and a PET film layer 34 adhered to the non-woven fabric 32.

  Moreover, in this Embodiment, the back surface side insulation coating layer 40 consists of the PET film layer 44 adhere | attached on the back surface of the nonwoven fabric 42 adhere | attached on the back surface of the electroconductive layer 20, and the nonwoven fabric 42. FIG.

  The PET film layer 34, the nonwoven fabric 32, the conductive layer 20, the nonwoven fabric 42, and the PET film layer 42 can be appropriately bonded using an adhesive. The adhesive may be a thermoplastic resin adhesive such as ethylene vinyl acetate copolymer resin (EVA) or polyethylene (PE), or a thermosetting adhesive such as a urethane resin adhesive or an epoxy resin adhesive. it can. Among these, it is preferable to use a thermosetting adhesive from the viewpoint of avoiding remelting of the bonded portion due to heat generated by the planar heating element.

[Weak radiation-producing ore]
The weak radiation generating ore is an ore that generates weak radiation, and is an ore containing thorium or uranium. Such ores include monazite (monazite), bastonesite, zircon, tantalite, phosphorus ore, titanium ore (rutile, ilmenite ore), uranium ore, thorium ore and coal ash or mixtures thereof.

  Moreover, you may mix the ceramics (Zircon, a zirconia, an alumina, a silica, etc.) which radiate | emits far infrared rays at normal temperature with respect to a weak radioactive generating ore.

  The ore (including the ceramics) that generates weak radiation is pulverized, sintered as necessary, and used as the powder 50 of the weak radiation generating ore.

  The weak radiation-generating ore powder 50 is added to the insulating coating layer (the front-side insulating coating layer 30 and / or the back-side insulating coating layer 40). Especially, it is preferable to add to the surface side insulating coating layer 30.

  The amount of weak radioactive generated ore powder 50 contained in the insulating coating layer is subject to the “Guidelines for ensuring the safety of raw materials and products containing uranium or thorium (MEXT, June 26, 2009)” The amount is outside.

  As the insulating coating layer, a layer in which the powder 50 of the weak radiation generating ore is dispersed may be separately provided on the outer side of the PET film layer 34 and / or the PET film layer 44. The surface side insulating coating layer 30 and / or Alternatively, it may be included in the back side insulating coating layer 40.

  When the powder 50 of the weak radiation generating ore is dispersed in the resin layer such as the PET film layer 34, the powder can be produced by mixing and dispersing the powder in the resin, followed by extrusion (inflation molding) or calendar molding. it can.

  Further, when dispersed in the nonwoven fabric 32 or the like, it can be produced by dispersing the powder 50 of weak radiation generating ore in a binder and water, spraying the nonwoven fabric, and drying and fixing.

  In the present embodiment, as shown in FIG. 1, a non-woven fabric 36 in which a weak radiation-generating ore powder 50 is fixed in a dispersed state is provided further outside the PET film layer 34.

  The planar heating element 10 includes, for example, a front-side insulating coating layer 30 (which is a laminate of the nonwoven fabric 36, the PET film layer 34, and the nonwoven fabric 32 from the front side), the conductive layer 20, and the surface, with an adhesive applied to the back surface. It is manufactured by arranging the back side insulating coating layer 40 (which is a laminate of the nonwoven fabric 42 and the PET film layer 44 from the front side) in order from the front side and integrating them by laminating. can do.

According to the planar heating element 10 according to the present embodiment, positive ions (H ⁺ ) generated from water molecules and negative molecules generated from water molecules or oxygen molecules due to the influence of weak radiation in the indoor space on the surface-side insulating coating layer 30. The amount of ions (O ₂ ⁻ ) increases and the resulting active species (H ₂ O ₂ (hydrogen peroxide) or .OH (hydroxyl radical)) also increase, so that the sterilization performance of airborne bacteria in the air Can be improved. Furthermore, the deodorizing effect such as ammonia gas, the antibacterial effect and the antifungal effect can also be improved by increasing the amount of the positive ions and negative ions.

  The cause of the increase in the amount of ions is not clear, but energy is given to the oxygen and water molecules in the indoor space by the heat generated from the planar heating element 10, and positive ions and negative ions are irradiated by weak radiation in this state. It is presumed that this is caused by the promotion of the chemical reaction in which the above chemical reaction is promoted or the addition of far infrared rays generated from the conductive layer 20 to the weak radiation.

  The planar conductive layer 20 is covered with an insulating coating layer 30 on the surface side and an insulating coating layer 40 on the back side, and the positive ions and negative ions are insulated coating layers. Since it occurs due to the weak radiation generating ore powder 50 in the inside, safety is ensured.

  Moreover, since the structure of the planar heating element 10 itself is a flat sheet, it does not get in the way when placed indoors in a building and does not impair the design.

  Furthermore, when the planar heating element 10 is installed on the floor of the building indoors for floor heating, the floor which is stepped on a human foot and requires effective sterilization of floating bacteria and accumulated bacteria and In the vicinity of the floor, the amount of ion generation is the highest, and more effective sterilization can be performed.

In addition, when the planar heating element 10 is installed on the indoor wall portion of the building for the purpose of wall heating, it is difficult for the wall portion of the building to hold a space for housing the structure, and thus the presence of the convex portion is a problem. Therefore, according to this, since the disinfection performance of airborne bacteria can be enhanced by arranging the planar heating element 10 along the flat wall portion, the design and practicality of the wall portion and practical use can be obtained while obtaining high disinfection performance. There is no loss of sex.
In addition, floor heating and wall heating are basically heating devices used in cold winter seasons. By using the sheet heating element according to the present invention, indoor space can be used in the spring, summer and autumn seasons. The sterilizing effect can be exhibited, and floor heating and wall heating corresponding to all seasons can be provided.

  In the embodiment described above, the weak radiation generating ore powder 50 is dispersed and fixed to the nonwoven fabric 36 on the further surface side of the PET film layer 34, but it is not essential to provide the nonwoven fabric 36 as described above.

  FIG. 3 is a view showing a modification of the dispersion and fixing of the weak radiation generating ore powder 50 to the insulating coating layer. In this modification, the same reference numerals are given to the same elements as those in the above embodiment, and the description thereof is omitted.

  In the present modification, the nonwoven fabric 36 in which the weak radiation-generating ore powder 50 is separately dispersed is not provided as the surface-side insulating coating layer 30, and the weak radiation-generating ore powder 50 is the PET film layer 34 of the above embodiment. Are dispersed and fixed to the PET film layer 60 corresponding to the above.

  In addition, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the meaning of invention.

  Hereinafter, the present invention will be described in more detail with reference to examples.

1. Production of planar heating element Example 1
An air cluster (registered trademark) sheet (manufactured by Wit Co., Ltd., sold by KTS Co., Ltd.) was placed on the surface of Heat Plus (GROOVE Co., Ltd.) to obtain a planar heating element according to Example 1.

  The heat plus is a planar heating element that is installed on a floor or a wall and has a laminated structure shown in FIG. The air cluster (registered trademark) sheet is obtained by dispersing and fixing a pulverized and fired mixture of thorium-containing ore and zirconia as main components with a binder on the surface of a spam bond nonwoven fabric made of PET.

Comparative Example A comparative example was an air cluster (registered trademark) sheet (manufactured by Wit Co., Ltd., sold by KTS Co., Ltd.) (a sheet heating element was not laminated).

2. Measurement of ion concentration Next, the heat plus of Example 1 was energized, and then the ion concentration was measured four times at the surface side position of the planar heating element of Example 1. Further, the ion concentration of the air cluster (registered trademark) sheet of the comparative example was similarly measured once, and the ion concentration in the space was also measured once as a background. For measurement of ion concentration, an air ion counter (model number AIC-1000, manufactured by Alpha Lab. Inc., USA) was used. The measurement results are shown in Table 1 below.

3. Results According to the comparative example (only the Air Cluster (registered trademark) sheet), the ion concentration was less than 10,000 cells / cm ³ , and the ion concentration at which the bactericidal effect of the floating bacteria described in Patent Document 1 cannot be expected.

  On the other hand, in the planar heating element of Example 1, it was found that the ion concentration increased dramatically and reached an ion concentration at which the bactericidal effect of floating bacteria could be expected. Furthermore, the increase in ion concentration improves the deodorizing effect such as ammonia gas, the antibacterial effect and the antifungal effect.

DESCRIPTION OF SYMBOLS 10 Planar heating element 20 Conductive layer 30 Surface side insulation coating layer (insulation coating layer)
40 Back side insulation coating layer (insulation coating layer)
50 Weak radiation generating ore powder

Claims (4)

In a planar heating element that is installed indoors and has a planar conductive layer that generates heat when energized, and an insulating coating layer that insulates and coats the front and back sides of the conductive layer,
A planar heating element, wherein at least one of the multi-layers contains a powder of weak radiation-generating ore. The conductive layer is arranged such that the surface side of the conductive layer faces the indoor space of the building,
The planar heating element according to claim 1, wherein the weak radiation-generating ore powder is contained in an insulating coating layer that covers the surface of the conductive layer.   The sheet heating element according to claim 1, wherein the sheet heating element is installed on a floor portion of the building and used for floor heating.   The sheet heating element according to claim 1, wherein the sheet heating element is installed on an indoor wall portion of the building and used for wall heating.

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