WO1997050279A1 - Dispositif de chauffage, corps generateur de chaleur regenerative et leur plaque protectrice - Google Patents

Dispositif de chauffage, corps generateur de chaleur regenerative et leur plaque protectrice Download PDF

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Publication number
WO1997050279A1
WO1997050279A1 PCT/JP1997/002205 JP9702205W WO9750279A1 WO 1997050279 A1 WO1997050279 A1 WO 1997050279A1 JP 9702205 W JP9702205 W JP 9702205W WO 9750279 A1 WO9750279 A1 WO 9750279A1
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WO
WIPO (PCT)
Prior art keywords
heat
far
heating element
heating
infrared
Prior art date
Application number
PCT/JP1997/002205
Other languages
English (en)
Japanese (ja)
Inventor
Takehiko Hitomi
Mitsukazu Ogawa
Toshio Saburi
Original Assignee
Takehiko Hitomi
Mitsukazu Ogawa
Toshio Saburi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP9036691A external-priority patent/JP2932171B2/ja
Priority claimed from JP11932497A external-priority patent/JPH10306404A/ja
Application filed by Takehiko Hitomi, Mitsukazu Ogawa, Toshio Saburi filed Critical Takehiko Hitomi
Priority to CA002258964A priority Critical patent/CA2258964A1/fr
Priority to US09/202,675 priority patent/US6054692A/en
Publication of WO1997050279A1 publication Critical patent/WO1997050279A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/10—Snow traps ; Removing snow from roofs; Snow melters
    • E04D13/103—De-icing devices or snow melters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00—Electric heating systems
    • F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Definitions

  • Heating device Description Heating device, regenerative heating element and protective sheet for the heating device
  • the present invention relates to a heating device used for snow melting and freezing prevention of roads, parking lots or roofs, heating of building facilities, greenhouse heating in the agricultural field, or aquaculture heating in the fishery field, and a heating device suitable for the heating device.
  • the present invention relates to a regenerative heating element and a protective sheet used.
  • a heating device for melting snow on a road surface, heating a floor surface, and the like has been configured by burying a heating element below a road surface or a floor surface.
  • heat generated from the heating element reaches the surface through the closest path, so that only the area directly above the heating element is heated, and the object to be heated is uniformly heated over the entire area. Less effective.
  • an electric heater having PTC characteristics that is, a self-temperature control function
  • the heating element with this PTC characteristic has a current resistance value that decreases in response to self-temperature rise due to energization, and the current value decreases.
  • the controllability and safety that a constant temperature can be maintained without external control It has the characteristics of being excellent in efficiency and economy.
  • the present invention firstly provides a heating apparatus which can easily obtain a uniform heating effect over the entire area of an object to be heated and which can effectively use a heating element having a strong PTC characteristic. With the goal.
  • a heat storage agent that stores heat of a heating element may be used. At that time, as a heat storage agent, phase change between solid and liquid due to temperature change
  • a latent heat absorbing type heat storage agent that stores heat by absorbing the latent heat accompanying this phase change may be used. It is particularly important for a latent heat absorbing type heat storage agent to absorb latent heat within a short period of time in order to effectively utilize it.
  • a container for example, a pipe
  • a concave portion is provided on the surface of a flat container containing a heat storage agent.
  • a heating element such as a heating wire is disposed in the recess of the lever, and heat is absorbed by the heat storage agent by supplying a current to the heating element.
  • the Joule heat generated from the heating element is absorbed by the heat storage agent after passing through the surroundings (reduction of temperature and energy) and the thermal resistance of the container itself, and is thus absorbed by the heat storage agent.
  • the energy absorption rate is extremely low and effective latent heat absorption is difficult.
  • the energy absorption efficiency of the heat storage agent is low, only low-temperature heat storage agents can be used, and the amount of heat storage agent (heat storage capacity) cannot be increased.
  • the present invention is, secondly, to achieve effective use of energy generated from the heat-generating element and high efficiency of energy absorption of the heat storage agent, thereby rapidly absorbing latent heat, using a heat storage agent having a high melting point, and achieving high heat storage. It is an object of the present invention to provide a regenerative heating element having a large capacity.
  • a method of laying a heating wire on the base layer of the road and paving asphalt road material with a far-infrared radiating material as a surface layer on it, or a far-infrared radiation layer on the surface of asphalt surface There is a method of melting the snow on the road surface by converting conduction heat transfer from a heat source such as a heating wire under the ground or a hot water pipe into far-infrared radiation energy.
  • the buried heat source often breaks or breaks due to impact load or vibration from the surface layer.
  • the heat source part is buried under the surface layer
  • the third aspect of the present invention is to enhance the protection of the entire apparatus by protecting the heat source portion and improving the strength and durability of the surface layer such as roads and floors in the heating apparatus.
  • An object of the present invention is to provide a protection sheet for a heating device capable of achieving effective use of radiant energy.
  • the heating device of the present invention includes: a heat insulating material having a concave portion on an upper surface; a heat generating member disposed in the concave portion; and a heat generating member provided on an upper surface of the heat insulating material and interposed between the heat insulating material and the heat generating member.
  • the energy generated by the heating element is quickly spread laterally by the force and the heat diffusion plate without escaping downward by the heat insulating material. Therefore, local temperature rise near the heating element is prevented, and rapid energy diffusion not only in the upward direction but also in the lateral direction becomes possible. Therefore, it is easy to obtain a uniform heating effect over the entire area of the object to be heated.
  • a local temperature rise near the heating element can be prevented as described above, particularly when a heating element having PTC characteristics is used, a decrease in the current value due to the self-temperature rise of the heating element is prevented.
  • the surroundings can be heated quickly and uniformly.
  • the effective use of heat insulating material becomes possible.
  • a far-infrared radiation layer is formed on the upper surface of the heat diffusion plate.
  • the far-infrared radiating layer on the upper surface of the heat diffusion plate is heated by the energy supplied from the heating element, and radiates far-infrared wavelengths upward over a wide range.
  • the heating device it is preferable to dispose a far-infrared radiation layer so as to cover the heat insulating material from above the heating element.
  • the far-infrared radiation layer arranged to cover the heat insulator receives the energy supplied from the heat diffusion plate and the heating element on the upper surface of the heat insulator, and re-radiates far-infrared rays upward and widely.
  • the heat insulating material is disposed on the base layer, and the far-infrared radiating layer disposed so as to cover the heat insulating material has a heat-fusing property.
  • the heat body is integrated and fixed on the base layer.
  • a surface layer is formed on the far-infrared radiation layer, and the base layer, the surface layer, the heat insulating material, and the heating element are fused and integrated due to the thermal fusion property of the far-infrared radiation layer.
  • a surface layer is formed on the far-infrared radiating layer arranged to cover the heat insulating material, and a far-infrared radiating material having an absorption band at a far-infrared wavelength radiated from the far-infrared radiating layer is added to this surface layer.
  • the attenuation of the far-infrared wavelength can be minimized, and the far-infrared wavelength can be efficiently re-emitted and absorbed by the object to be heated on the surface layer.
  • a heat generating element is inserted in a state in which the heat storing agent is in contact with the heat storing agent in which a phase change between solid and liquid and absorbs latent heat is enclosed.
  • a radiator plate for diffusing heat into the container is provided.
  • the heat storage element is fitted with a heat storage element in which a latent heat absorption type heat storage agent is enclosed, so that the heat storage element is inserted in contact with the heat storage agent. Can be absorbed directly and indirectly through a heat sink. As a result, effective use of energy generated from the heat-generating elements and high efficiency of energy absorption of the heat storage agent can be achieved, so that rapid and average latent heat absorption is possible, and therefore, use of a heat storage agent having a high melting temperature is possible. Thus, the heat storage capacity can be increased.
  • the thermal storage agent is a thermal storage agent having an electric dipole molecular structure that absorbs a far-infrared wavelength, and that a far-infrared radiation layer is formed on the surface of the heat sink. Due to the combination of such a unique heat storage agent and the far-infrared radiating layer, the energy generated from the heating element is
  • a far-infrared ray radiating material having an absorption wavelength range of a far-infrared ray emitted from a far-infrared ray emitting layer formed on the surface of the heat radiating plate is mixed with the heat storage agent.
  • the far-infrared radiating material mixed with this heat storage agent is excited by receiving two energy sources, far-infrared radiation and heat transfer from the surface of the heat sink, and promotes the molecular vibration of the heat storage agent to promote its temperature rise. I do.
  • the regenerative heating element it is preferable to enclose two or more types of thermal storage agents having different melting temperatures in a container.
  • the heat storage agent enclosed in the container receives energy supply from the heat generating element and the heat radiating plate, and first, the heat storage agent having a low melting temperature is liquefied.
  • the entire heat storage agent in the container generates a fluidization phenomenon and is agitated, whereby the heat storage agent having a high melting temperature transfers energy from the superheated heat storage agent having a low melting temperature and a radiating plate. Absorbs and reaches melting temperature in a short time.
  • a metal radiating wire covered with a far-infrared radiating layer be wound around an outer periphery of a radiating plate mounted on the heating element.
  • a ceramic coating layer containing a far-infrared radiating material is formed on the surface of the container. This configuration is particularly effective when the container is made of resin and the heating element is used for melting snow on a road.
  • This regenerative heating element is preferably used as the heating element of the above-described heating device of the present invention.
  • the far-infrared radiation layer on the heat diffusion plate can maintain a stable temperature by the energy supplied from the heat storage agent and emit stable far-infrared radiation.
  • the protective sheet of the present invention has a far-infrared ray radiating function and heat-fusing property obtained by adding a far-infrared ray radiating material to petroleum asphalt and impregnating a base material with a mixed solution obtained by heating and mixing.
  • the protective sheet of the present invention can be used by laying it on the heat source to protect the heat source in a heating device having the heat source buried between the base layer and the surface layer.
  • the protective sheet is made of a heat-fusing property of petroleum asphalt so that the heat source portion is fused and integrated between the base layer and the surface layer, thereby protecting the heat source portion and at the same time, the strength and durability of the surface layer. Therefore, the protection of the entire device can be enhanced.
  • the addition of the far-infrared radiating material allows the energy from the heat source to be radiated as far-infrared rays over a wide radiating area, so that the far-infrared radiation energy can be effectively used.
  • the far-infrared rays can be absorbed and re-emitted over a wide area without attenuating. Furthermore, since the tensile strength of the protective sheet is increased by the base material, the heat source portion and the surface layer can be protected from the force acting in the shear direction.
  • the protective sheet of the present invention it is preferable to mix graphite with the mixed solution. As a result, the thermal conductivity is improved and the radiant emittance of far infrared rays is reduced.
  • a mixture of petroleum asphalt and a far-infrared ray radiating material may be applied to one or both surfaces to form a multilayer structure.
  • Such a multilayer structure is advantageous in that the fusion strength can be increased without diminishing the propagation of far-infrared radiation, and at the same time the heat conduction and radiation effects can be enhanced.
  • This protective sheet is preferably used as the far-infrared radiating layer arranged to cover the upper surface of the heat insulating material in the above-described heating device of the present invention.
  • FIG. 1 is a partially cutaway perspective view showing a regenerative heating element (1) according to an embodiment of the present invention.
  • FIG. 2 is a perspective view showing the structure of the heat generating element (4), the heat radiating plate (5), and the metal wires (6) of the regenerative heating element (1).
  • FIG. 3 is a cross-sectional view of the regenerative heating element (1).
  • FIG. 4 is a perspective view showing a modification of the heat radiating plate (5) in the regenerative heating element (1).
  • FIG. 5 is a sectional perspective view showing a heating device (10) according to one embodiment of the present invention.
  • FIG. 6 is an enlarged sectional view of a main part of the heating device (10).
  • FIG. 7 is a cross-sectional view of the heating device (10).
  • FIG. 8 is a plan view of the heating device (10).
  • FIG. 9 is a sectional view taken along line AA of FIG.
  • FIG. 10 is a sectional view of a heating device (30) according to another embodiment of the present invention.
  • FIG. 11 is a cross-sectional view of the specimen A of the first embodiment.
  • FIG. 12 is a graph showing the road surface temperature rise of each test piece in Test Example 1.
  • FIG. 13 is a graph showing road surface temperature holding characteristics of each test piece in Test Example 2.
  • FIG. 14 is a graph showing the current value variation characteristics of each specimen in Test Example 4.
  • FIG. 15 (a) is a longitudinal sectional view of the test piece in Test Example 5, and
  • FIG. 15 (b) is a horizontal sectional view.
  • FIG. 16 is a cross-sectional view of the test piece D in Test Example 6.
  • FIG. 17 is a graph showing a temperature change of the test piece D in Test Example 6.
  • FIG. 1 to 3 show a regenerative heating element (1) according to an embodiment of the present invention, in which (2) is a heat storage container, (3) is a heat storage agent, (4) is a heating element, (5) shows the heat dissipation plate, and (6) shows the heat dissipation metal wire.
  • the heat storage container (2) is a cylindrical pipe made of metal or synthetic resin.
  • a heat storage agent (3) is sealed in the inside of the tub.
  • the heat storage agent (3) is a heat storage agent that undergoes a phase change between solid and liquid due to its temperature change, and absorbs and releases latent heat with this phase change.
  • a thermal storage agent having an electric dipole molecular structure capable of absorbing far-infrared wavelengths is used as the thermal storage agent (3).
  • polyoxyalkylene such as polyethylene glycol is preferable.
  • This heat storage agent (3) contains a far-infrared radiation material.
  • the far-infrared radiation material it is preferable to select a material having a high emissivity of about 10 microns.
  • a material having a high emissivity of about 10 microns.
  • Preferable examples thereof include fine powder of granite or rhyolite having silica oxide, alumina oxide or the like as a main component, or fly ash (coal ash). It is also strongly desirable to mix metal oxides such as iron oxide, manganese dioxide and nickel oxide in appropriate amounts.
  • a heat generating element (4) equipped with a heat sink (5) is inserted in contact with the heat storage agent (3).
  • the heat generating element (4) is disposed substantially on the center line over the entire length of the heat storage container (2), and is provided via a seal (7) attached to one side of the heat storage container (2). ) Leads to the power supply wiring (8).
  • the heating element (4) is a tape-shaped electric heater (with a width of about 10 to 2 Omm) with a PTC characteristic and a self-temperature control function.
  • the heating element (4) increases its electrical resistance and decreases its current value in response to the rise in self-temperature due to energization. Furthermore, when the temperature force rises and reaches a predetermined temperature (for example, 80 ° C), the current value further decreases, and it is possible to maintain a constant temperature without external control while maintaining balance with heat dissipation. It has excellent features such as economy.
  • This heat generating element (4) is made by mixing and rolling carbon and an organic high molecular resin, providing an electrode of a parallel circuit on the organic heat semiconductor, insulating coating with a synthetic resin, and the like. The resistance value between the electrodes does not change even if it is cut.
  • the radiator plate (5) attached to the heating element (4) diffuses the heat generated by the heating element (4) into the heat storage container (2).
  • This radiator plate (5) is made of a metal plate with good thermal conductivity.
  • the heat-generating element (4) is arranged at the center of the heat storage container (2). Have been.
  • a plurality of recesses (9, 9-) are formed at predetermined intervals on the outer edge of the heat sink (5) in order to enhance the flow effect of the heat storage agent (3).
  • Far-infrared radiation layers are formed on both surfaces of the heat sink (5). This far-infrared radiation layer can be formed by applying a paint containing the above-mentioned far-infrared radiation material.
  • the far-infrared radiation layer can be formed by oxidizing the surface of the heat sink (metal plate).
  • the radiator plate (5) is not thin, like metal foil, but has a sufficient heat conduction effect, and furthermore has a cross-sectional area, thermal conductivity, It is strongly preferable to have a heat radiation (radiation) area.
  • a heat radiation metal wire (6) such as a copper wire or an aluminum wire, on which a far-infrared radiation layer is formed is wound around the outer periphery of the heat sink (5). That is, the heat dissipating metal wire (6) is spirally wound around the outer periphery of the heat dissipating plate (5) in contact with the radially extending heat dissipating plate (5).
  • the far-infrared radiation layer covering the heat-dissipating metal wire (6) can be formed by a paint containing the above-mentioned far-infrared radiation material. Alternatively, the far-infrared radiation layer can be formed by oxidizing the surface of the metal wire.
  • the heat-dissipating metal wire (6) is preferably wound around the heat-dissipating plate (5) by engaging it with the concave portion (9, 9,...) Of the outer edge.
  • a ceramic coating layer of about 10 // m containing far-infrared radiation material is formed on the surface of the heat storage container (2).
  • the ceramic coating layer acts as a thermal buffer layer to reduce external thermal shock during the asphalt construction.
  • it has the function of converting the heat storage energy inside the heat storage container to far-infrared wavelength and radiating it to the outside.
  • the heat buffer here is not a concept of ordinary heat insulation (air), but rather a new concept from the viewpoint of absorbing energy incident from the outside and re-radiating it to the outside to prevent heat from entering. To achieve a thermal buffering effect.
  • the ceramic coating agent must contain a far-infrared radiating material with a re-emissivity that matches its purpose, and the ceramic coating agent itself is a component that can withstand the temperature during asphalt construction. It must be blended. Therefore, as such a ceramic coating agent, it is preferable to use a coating agent based on an aqueous latex resin and containing the above-mentioned far-infrared radiating material.
  • the regenerative heating element (1) configured as above, electricity is supplied to the heating element (4) by an operation signal to start heating.
  • the Joule heat generated by the heating element (4) is supplied directly or indirectly to the heat storage agent (3). That is, the heat storage agent (3) near the heating element (4) absorbs the heat generated by the heating element (4), while the heat storage agent (3) near the inner wall of the heat storage container (2) away from the heating element (4). ) Absorbs heat from the radiator plate (5) and the radiator metal wire (6).
  • the thermal storage agent (3) is composed of a far-infrared radiation layer formed on both sides of the radiator plate (5), and a far-infrared radiation layer mixed with the far-infrared radiation layer on the surface of the radiating metal wire (6) and the thermal storage agent (3).
  • the thermal storage agent molecules are excited by directly absorbing the far-infrared wavelength with a maximum area of 10 m radiated from the radiating material.
  • the heat storage agent (3) By giving the heat storage agent (3) two different energy conductions of this far-infrared radiation and heat transfer, the heat storage agent (3) rapidly reaches the melting temperature, completes the latent heat absorption in a short time, and liquefies. .
  • the operation signal is turned off and the liquefied heat storage agent (3) returns to the solid phase by releasing the absorbed latent heat.
  • this regenerative heating element (1) two energy conductions, far-infrared radiation and heat transfer, can be given to the regenerator (3) over the entire area of the regenerative vessel (2).
  • the latent heat absorption of agent (3) can be completed quickly and evenly. Therefore, the time required to start heating or melting snow can be shortened.
  • the heat storage agent (3) a material having a high melting temperature can be used, so that the heating and snow melting effects can be enhanced. Furthermore, by increasing the amount of the heat storage agent (3), the effect of heating and melting the snow can be maintained for a long time.
  • the melting temperature is preferably 18 to 55 ° C, and when used for heating heating such as floor heating, the melting temperature is preferably 35 to 61 ° C.
  • the heat storage agent (3) it is preferable to use a mixture of two or more heat storage agents having different melting temperatures.
  • the heat storage agent (3) enclosed in the heat storage container (2) receives two energy supplies, far-infrared radiation and heat transfer, and first the heat storage agent with a low melting temperature absorbs energy and becomes liquid. . At the same time, the compounded far-infrared radiation material is also excited.
  • the entire heat storage agent (3) in the heat storage container (2) undergoes a fluidization phenomenon and is stirred, so that the heat storage agent having a high melting temperature becomes a superheated heat storage agent having a low melting temperature, Radiation and heat transfer from the infrared radiating material and the heat sink (5), etc., generate molecular vibrations, absorb latent heat in a short time, and reach the melting temperature.
  • the heat storage agent (3) power ⁇ a lot of time may be required to reach the melting temperature, such as in an extremely cold region or a mountainous region, the heat storage agent with a low melting temperature may be used to quickly reach the melting temperature. It is preferable to increase the amount of the agent. Further, it is preferable to lower the melting point of the heat storage agent having a high melting temperature by one rank.
  • the heat storage container (2) is not limited to a pipe, but may be a flat plate according to the required purpose. May be used.
  • high-density cross-linked polyethylene pipes with good heat resistance are used as resin pipes buried in asphalt for snow melting, so that they can withstand the asphalt road material temperature (about 150 ° C or more) during construction. It is used by wrapping a metal foil such as aluminum foil of about 15 m around the surface. At this time, because it is difficult to bond the metal foil to the pipe, a structure is used in which the metal foil is simply wound around the pipe and stopped with heat-resistant tape. With this structure, the metal foil easily peels off in the field work, and in the pipe bending work, the metal foil at the bent part floats up and acts as a thermal buffer layer to protect the pipe. There is a problem that the effect cannot be obtained sufficiently. Therefore, in the present embodiment, a ceramic coating layer is formed on the surface of the heat storage container (2). This structure can be used as a heat storage container (2) such as a cross-linked polyethylene pipe.
  • the ceramic coating layer acts as a heat buffer layer from the outside, and a synergistic effect that the heat storage agent (3) absorbs heat passing through the tube wall of the heat storage container (2). This alleviates the thermal shock when asphalt is applied to the thermal storage container (2), making it possible to use it in a high-temperature atmosphere above the allowable heat resistance temperature.
  • the heating element (4) is not limited to a tape-shaped heater having PTC characteristics, but may be a planar heater having PTC characteristics, a planar heater having no PTC characteristics, or a heating wire. It is also possible to use heat sources such as hot water and heat pipes.
  • This regenerative heating element (1) is not limited to snow melting or indoor floor heating. For example, it can be effectively used as a regenerative heating element for air conditioning.
  • heat storage agents that change phase between solid and liquid due to latent heat absorption are more energy storage per unit volume, more stable operating temperature range, and more than sensible heat storage heat storage agents that store heat with water or antifreeze.
  • ice heat storage it has no fluidity in the early stage of absorbing latent heat because it is a solid phase. Therefore, there has been a need for the development of appropriate technology to easily and efficiently apply energy to absorb latent heat.
  • the regenerative heating element (1) encloses a regenerator (3) comprising a mixture of two or more regenerators and a far-infrared radiating material in a regenerator (2).
  • a regenerator (3) comprising a mixture of two or more regenerators and a far-infrared radiating material in a regenerator (2).
  • it has a very simple structure in which a heat-generating element (4) equipped with a heat sink (5) having a far-infrared radiation layer is inserted in direct contact with the heat storage agent (3). Due to the synergistic effect of heat, rapid liquefaction (latent heat absorption) of the heat storage agent (3) is obtained.
  • This regenerative heating element (1) can be installed in a room near the window or on the wall (small-capacity regenerative heating device) or a large-capacity regenerative heating device installed in a basement or rooftop of a building.
  • this regenerative heat generating element (1) allows quick energy absorption and efficient heating, 50% reduction in received power capacity, ON-OF F operation, and the use of cheap discount electricity at night. It is possible to obtain such a large advantage.
  • FIG. 4 shows an example in which the arrangement of the radiator plate (5) in the regenerative heating element (1) is changed.
  • the heat-generating element (4) is inserted near the bottom of the heat storage container (2) with the heat-generating element (4) sandwiched between the bottom of the heat sink (5) having a substantially V-shaped cross section.
  • a far-infrared radiating layer is formed on the surface of the heat sink (5), and a plurality of recesses (9, 9,...) Are formed at predetermined intervals on the outer edge of the heat sink (5). It is formed.
  • a heat dissipating metal wire (6) coated with a thin-film far-infrared radiation layer is wound so as to be engaged with the plurality of recesses (9, 9, ).
  • FIG. 5 to 9 show a heating device (10) according to an embodiment of the present invention.
  • Q2) is a heat insulating material
  • (14) is a heat diffusion plate
  • (16) is a heating element
  • (18) indicates a protective sheet
  • (20) indicates a surface layer
  • (22) indicates a base layer.
  • the heating device (10) of this embodiment is used as a snow melting device for roads.
  • the heat insulating material (12) is a rectangular plate-shaped member, and a concave groove (13) extending in the longitudinal direction is formed substantially at the center of the upper surface.
  • the heat insulating material (12) is a high pressure resistant heat insulating material.
  • the heat insulating material (12a) which is a lower plate, and the upper heat insulating material (12b) for forming the groove (13) are used. It is configured integrally.
  • the upper heat insulating material (12b) is arranged in a state of being separated into two in the longitudinal direction of the heat insulating material (12), and as shown in Figs. Depressions (24, 24, 24) extending in the short-side direction of the heat insulating material (12) are formed at three places at both ends and the center in the direction.
  • the recess (24) acts as a wedge for preventing the surface layer (20) from shifting in the horizontal direction when the surface layer (20) enters.
  • the heat insulating material (12) has a pressure resistance of 15 to 90 kg / cm 2 and a specific gravity of 1.0 to 1.5 g / cm.
  • the heat diffusion plate (14) is arranged so as to cover almost the entire upper surface of the heat insulating material (12), more specifically, the upper surface of the upper heat insulating material (12b). It is configured as a diffuse insulation board.
  • the heat diffusion plate (14) is a metal plate made of copper, aluminum, etc., and has an appropriate heat conduction to sufficiently diffuse the energy generated by the heating element (16) to the surroundings along the upper surface of the heat insulating material (12). Has rate and thickness.
  • a far-infrared radiation layer formed by applying a paint containing the far-infrared radiation material
  • the surface of the heat diffusion plate (14) may be oxidized to form a far-infrared radiation layer. This far-infrared radiation layer is heated by the energy supplied from the heating element (16), and emits far-infrared wavelengths upward in a wide range.
  • the heating element (16) has a cylindrical shape extending in the longitudinal direction of the heat insulating material (12), and is disposed in the groove (13) of the heat insulating material (12).
  • the regenerative heating element (1) in FIG. 4 described above is used as the heating element (16).
  • the heating element (16) is arranged so that its bottom is disposed in the groove (13) and the remaining part protrudes upward from the upper surface of the heat insulating material (12).
  • the bottom of the heating element (16) arranged in the groove Q3) is in contact with the heat diffusion plate (14) arranged on the heat insulating material (12).
  • the heat diffusion plate (14) has projecting extending portions (14a, 14a) extending upward along the heating element (16) and folded at both sides of the groove (13). It is formed to have.
  • the contact area of the heat diffusion plate (14) with the heating element (16) can be increased, and the heat diffusion effect in the lateral direction can be enhanced. Also, since the thickness of the heat insulating material (12) can be reduced to reduce the weight of the device, workability and cost are excellent.
  • the heat diffusion plate (14) is designed so as to be in contact with 40% or more of the surface of the heating element (16).
  • the heating element (16) is connected to the heat insulating material (12) and the heat diffusion plate (14) by fastening members (27) such as concrete nails through the fixing band (26) in the recessed part (24) of the heat insulating material (12). ).
  • This fastening member (27) penetrates the heat insulating material (12) and is driven into the base layer (22), whereby the heating device (10) is fixed to the base layer (22).
  • the base layer (22) generally means a layer containing a filler.
  • the protective sheet (18) is made by impregnating a sheet-like base material with a mixture obtained by adding and mixing the above-mentioned far-infrared radiating material to petroleum asphalt, and has thermal conductivity, far-infrared radiating function, and tensile strength. , And has a heat-fusing property showing a fusibility at a predetermined temperature or more.
  • this protective sheet (18) covers the entire upper surface of the heat diffusion plate (14) disposed on the heat insulator (12) from above the heating element (16). It is arranged in. Further, both sides extend to the base layer (22).
  • This protective sheet (18) exerts the heat-sealing property by the heat of the asphalt road material when the surface layer (20) made of asphalt is applied, so that the heat insulating material (12) and the heating element (16) can be easily attached. Can be fixed on the base layer (22) and the surface layer (20), and the base layer (22) and the surface layer (20) can be firmly fixed.
  • the surface layer (20) is an asphalt layer composed of three layers from the bottom: a protective layer (20a), an intermediate layer (20b), and a surface layer (20c).
  • This surface layer (20) contains a heating element (16), a heat spreader (14), and a protective sheet (18).
  • Such far-infrared radiation materials include quartz-based volcanic rocks, Manchuria talc, fly ash and the like.
  • the energy generated by the regenerative heating element (1) which is the heating element (16) transfers the energy from the far-infrared radiation layer of the heat storage container (2) to the protective sheet (18) and heat diffusion. Conducts by radiation and contact heat transfer to the plate (14). The energy absorbed by the heat diffusion plate (14) is radiated and contact-transferred from the far-infrared radiation layer of the heat diffusion plate (14), which is spread widely in the horizontal direction, to the surface layer (20).
  • the wavelength radiated from the far-infrared radiation layer of the heat diffusion plate (14) is converted and radiated into far-infrared rays (electromagnetic waves) having a maximum range of 10 m, and the protective sheet (18) and the surface layer (20) It propagates to the far-infrared ray radiating material while repeating re-emission and absorption, and is emitted to the surface layer (20 c) force, snow and ice, and the human body.
  • the heating device (10) is mainly configured to conduct radiation by far-infrared radiation, and is configured to follow heat conduction.
  • the energy generated by the heat storage container (2) can be quickly spread upward and laterally by the heat insulation effect and the heat diffusion effect. at the same time,
  • FIG. 10 shows a heating device (30) according to another embodiment of the present invention.
  • This heating device (30) is different from the heating device (10) in that a regenerative heating element (1) is used as the heating element (16) instead of a tape-like heater having PTC characteristics, that is, a regenerative heating element (1).
  • Heating element (4) is used.
  • the groove (13) on the top surface of the heat insulating material (12) has a substantially rectangular cross section, and the heating element (16) has heat diffusion inside the groove (13) except for the bottom surface and both sides except the top surface.
  • the heating element (16) used for the heating device is not limited to the regenerative heating element, and is arranged so as to contact the plate (1).
  • Petroleum asphalt is used to impart heat fusibility to protective sheets.
  • petroleum asphalt generally has strain asphalt and blown asphalt strength
  • the softening point is 80 to 100 ° C
  • the penetration (25 ° C) is 40 (1/1 O mm) or more
  • the viscosity (180 ° C ) Is preferably 200 cSt (mm 2 / s) or less.
  • the heat-sealing strength may be relatively reduced, and there may be cases where it is desired to use a protective sheet that is not particularly difficult from the viewpoint of power and workability.
  • the protective sheet requires a relatively high heat-resistant temperature or a suitable heat insulating property.
  • use blown asphalt as petroleum asphalt
  • thermoplastic elastomer such as ethylene-vinyl acetate copolymer (EVA), petroleum resin and urethane resin. It can be a corresponding protective sheet.
  • the far-infrared radiation material is added to impart a high far-infrared radiation function to the protective sheet.
  • the far-infrared radiating material it is preferable to select a material having a high emissivity of about 10 microns as described above in view of the intended use of snow melting / freezing prevention or heating.
  • the particle size of the far-infrared radiation material be 5 // m or less. Above 5 jam When mixed with liquefied petroleum asphalt, the far-infrared radiating material is unlikely to be uniformly dispersed in petroleum asphalt due to the difference in specific gravity, and is separated from petroleum asphalt during production of protective sheet This is because a sheet in which the far-infrared radiating material is precipitated and uniformly dispersed cannot be obtained.
  • the addition amount of the far-infrared radiating material is preferably 5 to 40 parts by weight based on 100 parts by weight of petroleum asphalt in order to effectively exert the far-infrared radiating function.
  • a graphite having the highest thermal conductivity among non-metallic solids for example, a graphite having a thermal conductivity of 90 to 120 kca 1 Zm h ° C.
  • the above-mentioned petroleum asphalt has a thermal conductivity of about 0.12 to 0.15 kca 1 Zm h ⁇ in a normal temperature range (for example, 0 to 70 ° C), and is a substance having poor thermal conductivity. This is because the heat conductivity of the protective sheet is improved by adding a graphite sheet, and a sheet more suitable for melting snow and floor heating can be obtained.
  • the compounding amount of the graphite is preferably 5 to 50 parts by weight based on 100 parts by weight of petroleum asphalt.
  • the substrate to be impregnated with the mixture is used to increase the tensile strength of the protective sheet, and plays a role particularly to protect the surface layer and the heat source from the force acting in the shear direction.
  • a sheet-like fiber structure such as a nonwoven fabric, a woven fabric, or a filter can be used.
  • synthetic fibers are preferable, and among them, it is particularly preferable to use synthetic fibers having a high infrared absorption characteristic of about 10 microns, for example, polypropylene, polyvinyl chloride, and the like.
  • polypropylene fibers have a wavelength range of low far-infrared absorption efficiency near 7 microns, but the absorption efficiency increases as the wavelength ranges to a low temperature of 8 microns or more. Therefore, when the present protective sheet is applied to a system in which the heat source radiates far-infrared rays whose maximum wavelength region is around 10 microns, the far-infrared rays can be efficiently absorbed and re-emitted.
  • the substrate can be appropriately selected depending on the use of the protective sheet.
  • the protective sheet when used for equipment that applies a heavy load on the surface, such as snow melting in roads, parking lots, harbors, airport facilities, etc., or floor heating in various factory facilities, use non-woven fabrics.
  • a heavy load on the surface such as snow melting in roads, parking lots, harbors, airport facilities, etc.
  • floor heating in various factory facilities use non-woven fabrics.
  • the use of woven fabric that does not increase the bulk is preferable.
  • the impregnation rate of the mixed solution with respect to the substrate [(weight of the mixed solution Z weight of the substrate) XI 00] is not particularly limited, and is appropriately set according to the type of the substrate and the use of the protective sheet. can do. For example, when bulky nonwoven fabric is used for snow melting on roads, it is 700-800%, and when woven fabric is used for snow melting on sidewalks and floor heating, it is 250-300%. Is preferred.
  • the thickness of the protective sheet is preferably 2 mm or less from the viewpoint of keeping the far-infrared radiation intensity high.
  • the thickness of the protective sheet is about 1 to 2 mm, it is preferable to use a bulky nonwoven fabric as the base material. For example, for roads where heavy vehicles pass
  • 1 8 Replacement form (Rule 26) About 2 mm, and about lmm for parking lots and various factory facilities. On the other hand, when the thickness of the protective sheet is 1 mm or less, it is preferable to use a woven fabric as the base material. For example, about 0.5 mm is suitable for sidewalks and roofs of ordinary houses.
  • the protective sheet In this protective sheet, one or both surfaces are coated with a mixture of petroleum asphalt and far-infrared radiating material to form a far-infrared radiating layer, whereby the protective sheet has a multilayer structure. It may be formed as. If the protective sheet is required to have a further integrated strength, it is necessary to increase the thickness of the sheet to increase the integrated strength. The surface temperature of the protective sheet decreases and the far-infrared radiation effect decreases. In such a case, the multilayer structure is advantageous in that the integrated strength of fusion can be increased without lowering the far-infrared radiation effect. In addition, as the mixture applied to the protective sheet, the above-described mixed solution for impregnating the base material can be used.
  • the blending amount of the graphite is set to be larger, and the blending amount of the far-infrared radiating material is set to be smaller, so that the heat transfer is mainly performed. It is preferable that the mixture applied to the sheet surface is mixed with a far-infrared ray radiating material in a larger amount than the mixture.
  • the mixed liquid for impregnating the base material 100 to 100 parts by weight of petroleum asphalt is mixed with 5 to 40 parts by weight of a far-infrared radiating material and 20 to 50 parts by weight of graphite, and a sheet is prepared.
  • the mixture to be applied to the surface it is preferable to mix 100 to 40 parts by weight of petroleum asphalt with 20 to 40 parts by weight of a far-infrared ray radiating material and 5 to 20 parts by weight of graphite.
  • the surface temperature of the protective sheet increases, and the absolute temperature of the far-infrared layer on the protective sheet surface increases.
  • the method for impregnating the base material with the mixed solution is not particularly limited, and various known methods can be used.
  • the protective sheet is laid on the heating element (16) and then the asphalt road heated from above.
  • the construction is basically the same as that of the asphalt road material of the asphalt paved road that uses straight asphalt, although it is not the same. Therefore, if the asphalt road material temperature at the time of construction is 130 ° C, the protective sheet can be sufficiently and easily fused and integrated into the road by ordinary construction procedures.
  • the quality of semi-produced felts is as follows: penetration (25 ° C) is 40 (1 / 10mm), softening point is 90 ° C, elongation
  • Specimen A was prepared as an asphalt frame with a width of 310 mm, a length of 900 mm, and a thickness of 140 mm, assuming an asphalt paved road.
  • two heating devices (10) were buried side by side in this asphalt frame.
  • the distance between the two heating elements (16) was set to 150 mm
  • the distance from the road surface to the upper surface of the heating element (16) was set to 60 mm.
  • the asphalt body is cut off with a heat insulator (32) (thermal conductivity 0.027 kca 1 / mh ° C) with a thickness of 100 mm on the bottom and 75 mm on the sides, and a wooden frame on the outside.
  • a resin foam (34) was interposed between the side of the asphalt frame and the heat insulating material (32).
  • test specimen A 20 Replacement Form (Rule 26)
  • the specific configuration of test specimen A is as follows.
  • Heat diffusion plate (14) Copper plate (0.5mm thick) coated with water-based latex resin paint containing far-infrared radiation material (quartz volcanic rock)
  • Thermal storage container (2) High-density cross-linked polyethylene pipe (27 mm in outer diameter and 800 mm in length) (Mitsubishi Industrial Products Corporation: trade name Yucalon Exel pipe) blended with a far-infrared radiant (quartz-based volcanic rock) Coated with a ceramic coating agent (Tempcoat, trade name, manufactured by Spanward) to a thickness of about 1 O / zm
  • 'Heat generation element (4) Ray-Human tape Fushihi with 12mm in width, 6mm in thickness, 61Omm in length, operating voltage of 200V, and power consumption of 85WZm.
  • Heat radiation plate (5) A 0.3 mm thick copper plate coated with a thin film of paint containing far-infrared radiation material (quartz volcanic rock)
  • Heat-dissipating metal wire (6) Steel wire (diameter 0.8 mm) coated with paint containing far-infrared radiation material (quartz-based volcanic rock)
  • Specimen B uses the same high-density polyethylene tube as Specimen A, and in a heat storage container whose surface is heat-protected with a 15-m-thick aluminum foil, a polyethylene glycol heat storage agent with a melting temperature of 41 ° C is stored. Only one type is enclosed (the far-infrared ray radiating material is not blended), and a heating element made by inserting the same PTC tape-shaped heater as the specimen A is placed on the heat insulating plate. No heat sink or heat dissipating metal wire was attached to the heat generating element, no heat diffusion plate or protective sheet was used, and no far-infrared radiation material was blended in the surface layer.
  • Specimen C has a conventional general snow-melting structure.
  • the same PTC tape-shaped heater as Specimen A was attached to the welding wire mesh installed on the asphalt base layer, and the surface layer was paved. No far-infrared radiation material was blended in the surface layer.
  • the three specimens A, B, and C obtained in this manner were juxtaposed in a climate chamber, and a snowmelt experiment was performed.
  • Figure 12 shows the rise in the road surface temperature of each specimen from the start of energization to 90 minutes, and shows the experimental results under the conditions of a temperature of the artificial weather chamber of 120 ° C and no snowfall. I have.
  • Specimen A had a road surface temperature rise of 0.8 ° C 30 minutes after the start of energization and 3.4 ° C after 60 minutes.
  • Specimen B showed a rise in road surface temperature of only 30 ° C after 30 minutes from the start of energization and 1.15 ° C after 60 minutes.
  • Specimen C had a road surface temperature rise of 1.2 ° C after 30 minutes from the start of energization and 2.8 ° C after 60 minutes.
  • test piece A of Example 1 has a road surface temperature rise that is almost equivalent to that of the test piece C, which is a conventional snow melting structure, at the initial startup despite the heat storage method.
  • Specimen B has the same heat storage system as Specimen A.
  • the heat storage container is simply filled with one kind of heat storage agent, and a heating element is inserted.
  • the rise of the road surface temperature is much slower than that of test specimen A, and it is also much longer than the conventional snow melting structure.
  • Specimen A raised the road surface temperature to 5.2 ° C 80 minutes after the start of energization. At this point, snowfall started and the power was turned off. As a result, the road surface temperature dropped to 3.6 ° C.
  • the energization was performed at an energization rate of 50% in which ON-OFF was performed in 30-minute cycles. As a result, the road surface temperature was maintained at 4.2 to 3.0 ° C.
  • Specimen C raised its road surface temperature to 3.75 ° C 80 minutes after the start of energization, at which point it began to snow. As a result, the road surface temperature dropped to 2.4 ° C, and was maintained at 4.5 to 2.6 ° C thereafter. However, the test specimen C was tested at an energization rate of 100%.
  • the specimen A maintained an average higher road surface temperature than the specimen C with 100% duty ratio, despite the 50% duty factor.
  • the specimen A is used as a snow melting facility, it will be possible to perform 0 N-0 F F operation in which 50% of the total installed heating elements (snow melting area) are energized alternately even during snowfall.
  • the heater it is possible to use the heater with a setting of 1 Z 2 for the total electric capacity of all installed heaters.
  • Test specimens ⁇ and C were placed in an atmosphere at 110 ° C, and the road surface temperature distribution was measured 60 minutes after the start of energization under conditions where no snowfall was caused by artificial snowfall. The road surface temperature distribution was measured 120 minutes after the start of energization under artificial snowfall conditions. Table 1 shows the results. Regarding the measurement points of the road surface temperature for each of the test pieces A and C, the measurement point (I) was above the intermediate position between the heating element and the heating element, and the measurement point was ( ⁇ ) just above the heating element.
  • the test point A had a measurement point (I) of 5.4 ° C and a measurement point ( ⁇ ) force of 0.6 ° C, and there was almost no temperature difference after 60 minutes of energization. .
  • the measurement point (I) was 4.4 ° C, and the measurement point ( ⁇ ) was 5.8 ° C, indicating a large temperature difference.
  • the specimen A had a force at the measuring point (I) ⁇ 3.8 ° C and a force at the measuring point ( ⁇ ) ⁇ 3.8.
  • Specimen A showed 0.63 A immediately after energization, and remained at 0.425 A after 20 minutes and 0.4 OA after 40 minutes.
  • Specimen C shows 0.5 A immediately after energization, and after 20 minutes
  • the specimen A retains the same current value as the conventional specimen C with the general snow melting structure, while using the heat storage method.
  • the heat value of the PTC characteristic due to the use of the heat storage agent was such that the current value of test piece B decreased to 84.7% (15.3% decrease) when test piece A was 100 at 20 minutes after energization. The drawback of body current reduction has emerged.
  • the use of a heating element with PTC characteristics can respond to rapid temperature rise and load fluctuations (outside air fluctuations, snowfall changes) even outdoors, and is highly safe, economical, and functional. It can be seen that it is possible to use heat storage type snow melting and heating equipment that is excellent in heat storage.
  • the receiving capacity can be reduced to 1Z2 compared to the conventional general snow-melting structure, and the laying ratio must be 75% or less. Can be.
  • heating by far-infrared radiation is effective because the object to be heated, which is the object of snow melting and heating, contains moisture.
  • the object to be heated which is the object of snow melting and heating
  • contains moisture for example, in snow and ice, water molecules are crystallized by hydrogen bonds, and the water molecule HnO is an electrically polarized molecule in which oxygen atoms are negative and hydrogen atoms are positively polarized.
  • the absorption wavelength band is the far-infrared wavelength of 3 m. In this absorption wavelength band, water molecules have higher absorption wavelengths in the narrow range of 3 / m and 6 // m and the wide range around 10 ⁇ .
  • far-infrared energy is an electromagnetic wave that travels at the speed of light while an electric field and a magnetic field intersect, and is an alternating energy in which the electric field changes by plus or minus 10 1 ⁇ per second. Since snow and ice are polarized molecules as described above, they directly absorb the far-infrared wavelength centered at 10 zm emitted from the heating device (10).
  • Such a snow melting method is fundamentally different from the conventional heat conduction snow melting method.
  • this heating device (10) the systemization of far-infrared radiation absorption allows snow melting with less than about 37% power consumption compared to the conventional heat conduction snow melting method, as shown in the above experimental results. Is possible.
  • the regenerative heating element (1) In order to obtain the snow melting effect by the far infrared rays, it is effective to combine the regenerative heating element (1) and the heating device (10). This is because in the snow melting method that mainly uses far-infrared rays, it is important to convert heat energy that has been stored quickly into far-infrared rays, radiate it stably from a large area, and absorb it to the object to be heated with minimal attenuation. Because there is. In this heating device (10), by using a system of a regenerative heating element (1) capable of rapid heat storage and a far-infrared ray radiation function, it is possible to use the regenerative heating element (1) outdoors. It has a snow melting / heating heating structure that can obtain a far-infrared effect unprecedentedly.
  • this heating device (10) is used as a snow melting / freezing prevention device, it is possible to: (1) Despite being a regenerative heating element (1), it can quickly increase the road surface temperature and respond functionally to snow melting and freezing prevention; (2) Thermal storage type Systemization of the heating element (1) and the far-infrared radiation function can reduce the power receiving capacity and basic electricity charge by 50% and reduce the power consumption by 2Z3. (3) Reduce the snow melting area per unit of the heating element (16) 1.5 times or more (25% or more savings) The reduction of the laying rate of the heating element (16) by making it possible to save materials and electric power can be achieved. ), It is possible to obtain effects such as better durability and safety than the conventional method.
  • This heating device (10) can also be used for indoor floor heating.
  • the conventional indoor regenerative heat generation system currently used requires a long heat storage time of about 6 hours for the latent heat absorption time of the heat storage agent and the floor temperature rise time.
  • heat-storing pipe outer diameter 27 mm, inner diameter 24 mm
  • Glauber's salt-based thermal storage agent melting point 31 ° C, latent heat amount 42 kca 1 / kg
  • a heat diffusion insulation board consisting of a heat insulating material (12) and a heat diffusion plate (14), a regenerative heating element (1), a protective sheet (18), far-infrared radiation
  • a surface layer (20) thickness: 50 mm
  • the heat storage agent (3) reached 44 ° C in 30 minutes, and the floor temperature was 18 at the start.
  • the temperature rose to 23 ⁇ and at 60 minutes to 28 ° C.
  • the room temperature at the start was +6 ° C.
  • the heating device (10) of the present embodiment is used as a regenerative floor heating facility
  • the floor temperature can be raised at least 2-3 times faster than the conventional method.
  • the heating device (10) of the present embodiment can provide an unprecedented great effect as a snow melting / heating heating facility. This is because the heating device (10) has a new mechanism for energy-conducting radiation transmission using far-infrared rays. In other words, in order to use far-infrared rays effectively, the wavelength region where the object to be heated absorbs most efficiently is stably radiated over a wide range as the wavelength of the maximum region, and the object to be heated has the lowest attenuation rate. It is important that the water is absorbed by the water and absorbed efficiently.
  • a heat diffusion insulation board consisting of a heat insulation material (12) and a heat diffusion plate (14), a protection sheet (18), and a surface layer
  • the heat-diffusion insulation board receives the temperature energy with little fluctuation supplied from the regenerative heating element (1), transfers it to the road, converts it to far-infrared rays, and converts it to far-infrared rays to the surface layer (20) in a stable wavelength range. Radiated propagation. In this case, if the temperature of the heat source fluctuates, the maximum wavelength range of the far-infrared ray also fluctuates, and more effective far-infrared radiation is hindered. Absent.
  • the protective sheet (18) is laid to integrate the surface layer, the heat source and the base layer, and to maintain the strength, in order to prevent the strength reduction of the surface layer caused by the burying of the heat diffusion insulation board and the heating element.
  • the far-infrared radiation radiated from the surface of the heat storage container (2) and the heat diffusion and heat insulation board together with the far-infrared radiating material in the surface layer (20) has the lowest attenuation rate. To reach the surface layer and is absorbed by the object to be heated.
  • the regenerative heating element (1) that makes full use of the far-infrared radiation conduction, heat transfer to the surface layer and radiation (low-temperature far-infrared radiation) By systematizing conduction, it is possible to obtain a large effect, which has been achieved so far.
  • a sheet was prepared in the same manner as in Example 2 except that the far-infrared radiation material and graphite were not added to the mixture.
  • Example 2 A comparative test of the heat conduction characteristics of the sheets of Example 2 and Comparative Example 3 was performed.
  • the dimensions of the sheets were both 23 Omm x 200 mm in length.
  • a mortar base layer (5 Omm thick) (22) is formed in a heat insulating frame (70), and a PTC planar electric heater (size 230 x 700 x t 3 mm, voltage 200 V, Power consumption 7 OWZm (20 ° C)) (72) is placed, and the sheet ⁇ of Example 2 and the sheet of Comparative example 3 are further placed on the heater (72). Omm) (20).
  • the temperature measurement point ( ⁇ ) was set at a position corresponding to substantially the center of each sheet a, on the surface of the surface layer (20).
  • the temperature at the start of the test was 7.7 ° C in Example 2 and 6.7 ° C in Comparative Example 3.
  • the heating temperature of the heater (72) was not controlled, but was controlled by a self-temperature control function.
  • Example 2 the temperature of the surface layer (20) on the sheet ⁇ in Example 2 was 26.0 ° C, while the temperature of the surface layer (20) on the sheet 8 in Comparative Example 3 was 15. It was 2 ° C. In other words, in Example 2, the temperature rose by 18.3 ° C 60 minutes after the start of energization, but in Comparative Example 3, which was manufactured using a commercially available impermeable sheet specification, the temperature rose only by 8.5 ° C.
  • the protective sheet according to the present invention has completely different characteristics from the conventional waterproof sheet.

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Abstract

Un dispositif chauffant utilisé pour faire fondre la neige sur des routes, des toits et analogues, et pour chauffer des immeubles ainsi que des installations comprend une plaque (14) diffusant de la chaleur, disposée sur une surface supérieure d'un matériau thermoisolant (12) afin de diffuser de la chaleur générée par un corps (16) générateur de chaleur, le corps (16) générateur de chaleur est ménagé dans un évidement (13) situé dans une surface supérieure de la plaque de diffusion de chaleur afin de chauffer uniformément l'objet destiné à être chauffé, sur toute sa surface, et de permettre l'utilisation efficace d'un appareil de chauffage CTP. Le corps (16) générateur de chaleur comprend un élément (4) générateur de chaleur doté d'une plaque (5) diffusant de la chaleur et inséré dans un contenant (2), lequel est chargé d'un régénérateur (3) du type à absorption de chaleur latente, de manière à se trouver au contact du régénérateur (3). De plus, afin de protéger un dispositif de chauffage (10), une plaque protectrice (18) comprenant un matériau de base imprégné d'asphalte de pétrole, lequel est mélangé à un matériau de rayonnement dans l'infrarouge lointain, est posé de manière à couvrir une unité de source de chaleur afin de fixer de manière solidaire l'unité source de chaleur entre une assise de surface (20) et une assise de liant (22).
PCT/JP1997/002205 1996-06-25 1997-06-25 Dispositif de chauffage, corps generateur de chaleur regenerative et leur plaque protectrice WO1997050279A1 (fr)

Priority Applications (2)

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CA002258964A CA2258964A1 (fr) 1996-06-25 1997-06-25 Dispositif de chauffage, corps generateur de chaleur regenerative et leur plaque protectrice
US09/202,675 US6054692A (en) 1997-06-25 1997-06-25 Heating device, heat storing type heat generating body and protective sheet for the heating device

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP16427196 1996-06-25
JP8/164271 1996-06-25
JP9036691A JP2932171B2 (ja) 1996-06-25 1997-02-20 蓄熱式発熱装置および加熱装置
JP9/36691 1997-02-20
JP11932497A JPH10306404A (ja) 1997-05-09 1997-05-09 融雪又は暖房設備のための保護シート
JP9/119324 1997-05-09

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US8296968B2 (en) * 2003-06-13 2012-10-30 Charles Hensley Surface drying apparatus and method
RU2790502C1 (ru) * 2022-01-13 2023-02-21 Юрий Валериевич Ершов Способ лучистого обогрева теплицы с одноуровневыми и многоуровневыми стеллажами

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KR101069223B1 (ko) * 2010-11-29 2011-09-30 (주) 미도랜드 히트패널 및 이의 제조방법

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JPS63109479U (fr) * 1987-01-09 1988-07-14
JPH0282483A (ja) * 1988-09-19 1990-03-23 Shinshu Ceramics:Kk 加熱・放熱用遠赤外線輻射体
JPH03160272A (ja) * 1989-11-17 1991-07-10 Kyocera Corp 蓄熱装置
JPH0483750A (ja) * 1990-07-26 1992-03-17 Kojundo Chem Lab Co Ltd 赤外線放射蓄熱組成物
JPH0482654U (fr) * 1990-11-28 1992-07-17
JPH05217662A (ja) * 1992-02-04 1993-08-27 Unitika Ltd 遠赤外線を放射する発熱性シート
JPH05266965A (ja) * 1992-03-19 1993-10-15 Satako Eng:Kk 遠赤外線放射積層体
JPH0682051A (ja) * 1992-09-07 1994-03-22 Matsushita Electric Ind Co Ltd 電気床暖房装置
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JPS5994214U (ja) * 1982-12-15 1984-06-26 株式会社日立ホームテック 床暖房用ヒ−タ
JPS59198685A (ja) * 1983-04-26 1984-11-10 松下電器産業株式会社 蓄熱式電気ヒ−タ
JPS6289795U (fr) * 1985-11-26 1987-06-09
JPS63109479U (fr) * 1987-01-09 1988-07-14
JPH0282483A (ja) * 1988-09-19 1990-03-23 Shinshu Ceramics:Kk 加熱・放熱用遠赤外線輻射体
JPH03160272A (ja) * 1989-11-17 1991-07-10 Kyocera Corp 蓄熱装置
JPH0483750A (ja) * 1990-07-26 1992-03-17 Kojundo Chem Lab Co Ltd 赤外線放射蓄熱組成物
JPH0482654U (fr) * 1990-11-28 1992-07-17
JPH05217662A (ja) * 1992-02-04 1993-08-27 Unitika Ltd 遠赤外線を放射する発熱性シート
JPH05266965A (ja) * 1992-03-19 1993-10-15 Satako Eng:Kk 遠赤外線放射積層体
JPH0682051A (ja) * 1992-09-07 1994-03-22 Matsushita Electric Ind Co Ltd 電気床暖房装置
JP3004753U (ja) * 1994-05-30 1994-11-22 明男 大塚 ヒーター

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8296968B2 (en) * 2003-06-13 2012-10-30 Charles Hensley Surface drying apparatus and method
RU2790502C1 (ru) * 2022-01-13 2023-02-21 Юрий Валериевич Ершов Способ лучистого обогрева теплицы с одноуровневыми и многоуровневыми стеллажами

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