WO2017122644A1

WO2017122644A1 - Radiant cooling/heating device and radiant cooling device

Info

Publication number: WO2017122644A1
Application number: PCT/JP2017/000521
Authority: WO
Inventors: 崇治二枝
Original assignee: Ｋｆｔ株式会社
Priority date: 2016-01-12
Filing date: 2017-01-10
Publication date: 2017-07-20
Also published as: KR20180104651A; JPWO2017122644A1; TW201730485A; CN108463674A

Abstract

[Problem] To achieve a radiant cooling/heating device which allows an increase in the number of occupants that can be accommodated in the room to be cooled/heated as well as the substantially usable area therein. [Solution] The radiant cooling/heating device 100 comprises at least: a heat pump 11; a cooling radiation panel 20 for circulating a refrigerant therethrough; and a heating radiation panel 30 for circulating a heat carrier therethrough. The radiation panels 20 and 30 each have an opening facing the room 1 to be cooled/heated and are housed within panel housing recesses 2 and 3 which are set further back than the wall surface 5 of the room 1 and partitioned off. The panel housing recess 2 for housing the cooling radiation panel 20 and the panel housing recess 3 for housing the heating radiation panel 30 are arranged so as to be separated from each other.

Description

Radiant air conditioner and radiant air conditioner

The present invention relates to a radiant cooling and heating device and a radiant cooling device having a radiant panel.

In recent years, various radiant cooling and heating devices using radiant panels have been proposed and put into practical use. In the radiant cooling and heating device, for example, refrigerant is circulated and sent from an outdoor unit having a heat pump function to a heat exchanger, and cold water or hot water that is heat-exchanged with the refrigerant in the heat exchanger is circulated to a radiant panel provided in the room. (See Patent Document 1). Since this type of radiant cooling and heating apparatus does not generate forced convection by blowing air, it is possible to achieve comfortable cooling and heating without unpleasant wind hitting the human body.

JP 2005-24197 A

By the way, the conventional radiant air conditioner needs to provide a radiant panel that circulates cold water or hot water in a room to be air conditioned. Therefore, the radiating panel occupies a part of the room, and the number of persons accommodated in the room and the substantial use area are limited according to the occupied area of the radiating panel.

Also, during cooling, the vicinity of the radiant panel was likely to cool locally, causing condensation, and the paper of the copier was likely to get wet.

An object of the present invention was created in view of the above circumstances, and is to provide a radiant cooling and heating apparatus and a radiant cooling apparatus that can expand the number of people accommodated in the room and the substantial use area. Another object of the present invention is to provide a radiant cooling / heating device and a radiant cooling device that can prevent local cooling in the vicinity of the radiant panel during cooling and can take measures against condensation.

In order to achieve the above object, a radiant cooling and heating apparatus according to the present invention includes at least a heat pump, a cooling radiant panel for circulating a refrigerant, and a heating radiant panel for circulating a heat medium, The radiant panel is opened to face the room to be air-conditioned, and is housed in a panel housing recess formed by being recessed from the wall surface of the room to form a panel housing for housing the radiant panel for cooling. The recess and the panel storage recess for storing the heating radiating panel are arranged apart from each other.

In the configuration of the radiant cooling and heating apparatus, the panel storage recess for storing the cooling radiant panel and the panel storage recess for storing the heating radiant panel may be disposed relatively vertically. preferable.

Moreover, it is preferable that a drain pan connected to a drain discharge pipe is provided at the lower part of the cooling radiation panel.

Furthermore, it is preferable that the panel housing recess is provided with a heat insulating material and a reflective material, or a resin layer having a heat insulating property and a waterproof property.

The radiant cooling and heating apparatus has an indoor surface component member made of a material containing a far infrared radiation material that radiates and absorbs far infrared rays and has an emissivity of far infrared rays of 0.6 or more. The surface of the cooling radiation panel is made of a material containing the same far infrared radiation material as the far infrared radiation material of the indoor surface component, and the surface of the cooling radiation panel is cooled when the surface is cooled. The far-infrared emitting material absorbs far-infrared radiation emitted by the far-infrared emitting material of the indoor surface component, and when the surface of the heating radiation panel is heated, the far-infrared emitting material on the heating surface is It is preferable that the far-infrared radiation material of the indoor surface constituent member absorbs the far-infrared radiation to be emitted.

The radiant cooling device according to the present invention includes at least a heat pump and a cooling radiant panel for circulating the refrigerant, and the radiant panel for cooling is opened to face a room to be cooled, It is accommodated in the inside of the panel accommodation recessed part formed in a dimple rather than the wall surface in the room.

According to the radiant cooling and heating apparatus according to the present invention, the number of people accommodated in the room and the area of use can be expanded. In addition, according to the radiant cooling and heating apparatus and the radiant cooling and heating apparatus according to the present invention, it is possible to prevent local cooling in the vicinity of the radiant panel during cooling and to exhibit an excellent effect of being able to take measures against condensation.

It is a longitudinal cross-sectional schematic diagram of the radiation | emission panel arrangement | positioning of the radiation cooling / heating apparatus which concerns on 1st Embodiment. It is a longitudinal cross-sectional schematic diagram of the radiation cooling and heating apparatus which concerns on 1st Embodiment. It is a schematic longitudinal cross-sectional view of the dew condensation prevention structure in the radiation cooling / heating apparatus which concerns on 2nd Embodiment. It is a schematic longitudinal cross-sectional view of the application example of the dew condensation prevention structure in 2nd Embodiment. It is a plane schematic diagram of the radiation panel arrangement | positioning of the radiation cooling / heating apparatus which concerns on other embodiment.

Hereinafter, the radiant cooling and heating apparatus according to the first and second embodiments will be described with reference to the drawings. However, the drawings are schematically shown and do not always match actual dimensions and ratios. In addition, the drawings may include portions having different dimensional relationships and ratios.
[First Embodiment]
(Configuration of radiant air conditioning unit)

First, with reference to FIG. 1 and FIG. 2, the structure of the radiation cooling and heating apparatus which concerns on 1st Embodiment is demonstrated. FIG. 1 is a schematic vertical cross-sectional view of a radiant panel arrangement of a radiant cooling and heating apparatus according to the first embodiment. FIG. 2 is a schematic longitudinal sectional view of the radiant cooling and heating apparatus according to the first embodiment.

As shown in FIGS. 1 and 2, the radiant cooling and heating apparatus 100 according to the first embodiment includes at least a heat pump 11, a cooling radiant panel 20, and a heating radiant panel 30.

The heat pump 11 is included in the outdoor unit 10 and operates on the same principle as a normal air conditioner or the like. In other words, the heat pump 11 includes a condenser, an expansion valve, an evaporator, and a compressor (not shown), and exchanges heat reversibly using an exothermic phenomenon and an endothermic phenomenon. The outdoor unit 10 is connected to the heat exchanger 12 via a circulation pipe 13 through which the refrigerant is circulated. The refrigerant is not particularly limited, and chlorofluorocarbons (HCFC) (alternative chlorofluorocarbons such as R-22) and hydrofluorocarbon (HFC) (alternative chlorofluorocarbons such as R-410A) are preferable.

The cooling radiation panel 20 is a radiation panel provided with fins used during cooling. A refrigerant such as cold water is circulated through the circulation pipe 21 in the cooling radiation panel 20. On the other hand, the heating radiating panel 30 is a radiating panel provided with fins used during heating. A heating medium such as hot water is circulated in the heating radiating panel 30 through the circulation pipe 31.

In the heat exchanger 12, a cooling circulation pipe 21 and a heating circulation pipe 31 are connected via a switching valve 40. During cooling, the switching valve 40 is switched to the cooling circulation pipe 21 side. When cold water is supplied from the heat exchanger 12 to the cooling circulation pipe 21, the fins of the cooling radiation panel 20 are cooled, and the surfaces of the fins function as cooling surfaces for performing the cold radiation. On the other hand, during heating, the switching valve 40 is switched to the heating circulation pipe 31 side. When hot water is supplied from the heat exchanger 12 to the circulation pipe 31 for heating, the fins of the radiation panel 30 for heating are warmed, and the surface of the fins functions as a heating surface that performs thermal radiation. In addition, the temperature of cold water or warm water can be set by a driving operation unit (not shown).

As the fins of the cooling radiation panel 20 and the heating radiation panel 30, for example, aluminum fins are preferably used. The aluminum fin is integrally formed with an aluminum support plate (not shown). The cooling circulation pipe 21 and the heating circulation pipe 31 are preferably provided on the back surface of the support plate. The fin has a thin plate shape and extends left and right or up and down. A fin is comprised with the metal or alloy with favorable heat conduction, for example, can be produced with iron, copper, those alloys other than aluminum.

Each

radiation panel

20 and 30 is housed inside the

panel housing recesses

2 and 3. The

panel housing recesses

2 and 3 are opened so as to face the room 1 to be air-conditioned, and are formed to be recessed from the wall surface 5 of the room 1. The panel housing recess 2 for housing the cooling radiation panel 20 and the panel housing recess 3 for housing the heating radiation panel 30 are arranged apart from each other. The

panel housing recesses

2 and 3 need only have a depth sufficient to accommodate the radiating

panels

20 and 30 without protruding the radiating

panels

20 and 30 from the wall surface 5.

The panel housing recess 2 for housing the cooling radiation panel 20 and the panel housing recess 3 for housing the heating radiation panel 30 are disposed relatively vertically. In the present embodiment, the panel housing recess 2 for housing the cooling radiation panel 20 is disposed in the vicinity of the ceiling portion 6. The reason why the cooling radiation panel 20 is arranged in the vicinity of the ceiling portion 6 is because the cool air convects downward. On the other hand, the panel housing recess 3 for housing the heating radiation panel 30 is disposed in the vicinity of the floor 7. The reason why the heating radiating panel 30 is disposed in the vicinity of the floor 7 is that warm air convects upward.

A drain pan 50 for receiving moisture condensed on the surface of the cooling radiation panel 20 is provided below the cooling radiation panel 20. The drain pan 50 extends in a bowl shape along the extending direction of the cooling radiation panel 20. A drain discharge pipe 51 for discharging the condensed water received by the drain pan 50 is connected to the drain pan 50. The extended end of the drain discharge pipe 51 is connected to a circulation pipe 21 through which cold water flows through a check valve 52. The drain pan 50 may be attached in a detachable state from the drain discharge pipe 51.

In a preferred embodiment of the radiant cooling and heating device other than the floor cooling and heating according to the present invention, the indoor surface configuration made of a material containing a far infrared radiation substance that radiates and absorbs far infrared rays and has an emissivity of far infrared rays of 0.6 or more. The surfaces of the cooling radiation panel 20 and the heating radiation panel 30 are made of a material containing the same far-infrared radiation material as the far-infrared radiation material of the indoor surface constituent member. When the surface of the cooling radiation panel 20 is cooled, the far-infrared radiation material on the surface absorbs the far-infrared radiation emitted by the far-infrared radiation material of the indoor surface constituent member, and the surface of the heating radiation panel 30 is heated. Then, the far-infrared radiation material of the indoor surface constituent member absorbs the far-infrared radiation emitted by the far-infrared radiation material on the heating surface.

The indoor surface constituent member is made of a far-infrared emitting material, made of a material mixed with a far-infrared emitting material, or has a film made of a far-infrared emitting material. Whether the surfaces of the cooling radiation panel 20 and the heating radiation panel 30 are also composed of the same far-infrared radiation material as the far-infrared radiation material of the indoor surface constituent member or a material mixed with the far-infrared radiation material Or a film made of a far-infrared emitting material.

In the present invention, the term “interior surface constituent member” refers to a member that constitutes a surface exposed to a sealed space that is subject to environmental adjustment. The sealed space can be provided with opening / closing means such as a door or a window that enables communication between the inside and the outside. The sealed space is not particularly limited, but is usually a room or a corridor of a building where people live and act. Whether at least some of the indoor surface components are made of a far-infrared emitting material that emits or absorbs far-infrared rays necessary for adjusting the indoor environment in the present invention, or is it made of a material mixed with a far-infrared emitting material Or a film made of a far-infrared emitting material. In order to efficiently emit and absorb far-infrared rays, it is preferable that the far-infrared emitting substance mixed in the indoor surface constituent member is exposed to the indoor space. Nonetheless, the far-infrared emitting material in the indoor surface constituent member is not directly exposed to the indoor space, and does not significantly interfere with the far-infrared radiation and absorption of the far-infrared emitting material (for example, about 1 mm) It may be covered with a coating film, varnish layer, wallpaper or the like having the following thickness.

The far-infrared emitting material refers to a material that emits and absorbs far-infrared rays. The far-infrared emitting material used in the present invention is a far-infrared emitting material having a far-infrared emissivity of 0.6 or more, preferably 0.8 or more. is there.

Such far-infrared emitting materials are usually so-called inorganic materials, such as natural and artificial minerals, metal and metalloid oxides, nitrides, carbides, sulfides, hydroxides, carbonates and other salts, In addition to these composites (double salt) and charcoal, natural materials such as shells are also included. In addition, most of the far-infrared emitting materials of the present invention are ceramic materials in a broad sense (referring to inorganic materials other than metals). However, even organic materials or substances derived from organic materials are used as long as the above emissivity conditions are satisfied. be able to.

In the present invention, the form of the far-infrared emitting material in the member containing the far-infrared emitting material is not particularly limited as long as the member containing the far-infrared emitting material can emit and absorb far-infrared rays. It can be in the form of a monolithic material (stone), a member containing particles of far-infrared radiation, powder, aggregate, etc. (these are also called particles), a member having a film of far-infrared radiation, etc. . In the present invention, a stone material made of a far-infrared emitting material is a solid integrated material made of a natural or artificial inorganic material, and is usually used as a panel or tile-shaped building material. Examples of natural stone materials include granite and basalt. Needless to say, artificially produced stone may be used. Building materials such as artificial panels and other integral members can be considered stone.

In the present invention, the material mixed with the far-infrared emitting material means a material containing the far-infrared emitting material as a part of the constituent components. In this case, the far-infrared emitting substance is typically mixed as a particle of a natural or artificial inorganic material in the manufacturing material or manufacturing material of the indoor surface constituent member.

In the present invention, a film made of a far-infrared emitting material means a film of a far-infrared emitting material formed on the surface of an indoor surface constituent member or a cooling and / or heating source. This film can be formed by coating the target surface with a far-infrared radiation material by an appropriate film forming technique, for example, PVD technique such as spraying or vapor deposition, or CVD technique.

In the present invention, the far-infrared emitting material of the indoor surface constituent member and the far-infrared emitting material on the surface of the cooling / heating radiation panel are the same. The radiant cooling and heating apparatus according to the present invention uses a phenomenon in which heat transfer via thermal radiation between the same molecular species is performed with higher efficiency than in the case where the same molecular species is not between the same molecular species. Adjustment of the indoor environment is achieved by causing heat transfer to and from the panel surface through heat radiation with high efficiency. Therefore, in order for the radiant cooling and heating apparatus of the present invention to perform its intended functions, the indoor surface constituent members, the cooling radiant panel 20 and the heating radiant panel 30 in which heat transfer is performed between them are performed. It is necessary that substances of the same molecular species exist on the surface of each other. In the present invention, the far-infrared emitting material of the indoor surface constituting member and the far-infrared emitting material of the cooling and / or heating source, which are composed of the same molecular species, are referred to as the same material. Here, the same molecular species indicates the property of radiating and absorbing far infrared rays, and one substance (e.g., used in indoor surface constituent members) having far infrared emissivity of 0.6 or more, preferably 0.8 or more. Far infrared radiation material) and other materials that exhibit the properties of emitting and absorbing far infrared radiation, and the far infrared emissivity is 0.6 or more, preferably 0.8 or more (used on the surface of a cooling / heating radiation panel) Far-infrared emitting material) is the same at the molecular level. The molecule here means a group of atoms bonded by chemical bonds. Therefore, the molecule referred to here includes, for example, a crystal of a mineral constituting a natural stone material. The same mineral with substitution or solid solution of similar elements is regarded as a substance of the same molecular species. In the case of a natural mineral, it is usually composed of a plurality of compounds, and on the macroscopic level, the crystal structure of these compounds may be different depending on the site in the mineral. However, in this case, the mineral cut out from the same place of origin is a collection of substantially the same composition of substances of substantially the same molecular species, and may be considered in the same way as a substance of the same molecular species as a whole.

When inorganic material particles are used as the above-mentioned far-infrared radiation material on the interior surface components or the surfaces of the cooling radiation panel 20 and the heating radiation panel 30, other than the inorganic material particles as the far-infrared radiation material It is normal for these substances to coexist. For example, when the indoor surface constituent member is formed of plaster containing inorganic material particles as a far-infrared emitting material, or when a paint containing inorganic material particles as a far-infrared emitting material is applied to the surface of a cooling / heating radiation panel, The inorganic material particles as the infrared emitting substance coexist with the aggregate in the plaster or the binder component in the paint. In such a case, substances other than the inorganic material particles as the “far-infrared emitting substance” described above also have the property of emitting or absorbing far-infrared rays more or less. However, the present invention uses a phenomenon in which heat transfer via thermal radiation between the same molecular species is performed with significantly higher efficiency than when the same molecular species is not between the same molecular species. Substances that are not commonly present on both sides of the radiating panel play a very small or negligible role in the present invention. Therefore, when referring to the far-infrared radiation material in the present invention, it is common to both the interior surface components and the surfaces of the cooling radiation panel 20 and the heating radiation panel 30, and far-infrared emissivity of 0.6 or more, Preferably, it refers to the same substance of 0.8 or more (a substance that causes a resonance phenomenon of molecular vibrations between the same molecules via electromagnetic waves).

In the case where inorganic material particles are used as far-infrared radiation materials on the interior surface constituent members and the surfaces of the cooling radiation panel 20 and the heating radiation panel 30, both particles have the same or different particle sizes and shapes. Also good. The blending amount of the inorganic material particles contained in both the indoor surface component and the cooling / heating radiation panel surface need not be the same. Further, for example, when the indoor surface constituent member forms a wall surface and a ceiling surface, and the inorganic material particles are used as the far infrared radiation material, the particle size and shape of the far infrared radiation material particles on the wall surface and the ceiling surface are: It may be the same or different. In this case, the inorganic material particles enable the desired heat transfer through thermal radiation between the same molecular species according to the present invention in the interior surface constituent members (for example, building materials forming the wall surface and the ceiling surface). It is blended by content. At this time, the amount of the inorganic material particles may be the same or different between the building material forming the wall surface and the building material forming the ceiling surface. These also apply to the inorganic material particles of the far-infrared emitting material on each of the two or more wall surfaces.

A plurality of types of far-infrared emitting materials may be used on the surface of the indoor surface constituent member and the cooling radiation panel 20 and the heating radiation panel 30. In the case where the far-infrared radiation material is a stone material, two or more kinds of stone materials can be used in combination for the interior surface constituent members or the surfaces of the cooling radiation panel 20 and the heating radiation panel 30. When the far-infrared emitting material is inorganic material particles, a mixture of two or more inorganic material particles can be used. In either case, if the combination of the inorganic material particles in the interior surface constituent member and the combination of the inorganic material particles on the surfaces of the cooling radiation panel 20 and the heating radiation panel 30 are the same (if the same combination is included). They are considered to be the same substance.

Infrared material particles as far-infrared radiation materials contained on the interior surface components and the surfaces of the cooling radiation panel 20 and the heating radiation panel 30 are capable of desired heat transfer via thermal radiation between the same molecular species. Present in them in an amount to make. Usually, the interior surface components and the surfaces of the cooling radiant panel 20 and the heating radiant panel 30 are often manufactured outside the construction site and carried into the construction site or installed on the construction site by different contractors. it is conceivable that. Therefore, common inorganic material particles as far-infrared radiation materials are often mixed by the respective manufacturers or contractors on the interior surface constituent members and the surfaces of the cooling radiation panel 20 and the heating radiation panel 30. it is conceivable that. In such a case, the content of the inorganic material particles as the far-infrared emitting substance is included in each manufacturing material on the surface of the indoor surface constituent member and the cooling radiation panel 20 and the heating radiation panel 30 by each supplier. The amount of inorganic material particles. The content of inorganic material particles in the interior surface components and in the surface forming materials of the cooling radiant panel 20 and the heating radiant panel 30 is determined as an amount that makes heat transfer via heat radiation effective according to the present invention. be able to. The amount used is the amount of heat transfer required for the desired cooling and / or heating, the interior surface components available for heat transfer via heat radiation and the area of the cooling and / or heating surface. Depends on the thermal radiation characteristics of far-infrared radiation materials. In the measurement experiment described below, the inorganic material particles as the far-infrared radiation material are effective when they are present in the interior surface component material or the material forming the cooling / heating radiation panel surface in an amount of 1% by weight or more. An effect was recognized, and a more preferable effect was obtained when the content was 3% by weight or more. On the other hand, when inorganic material particles are used as the far-infrared radiation material, the upper limit of the content is actually included in the material forming the interior surface components and the surfaces of the cooling radiation panel 20 and the heating radiation panel 30. It is determined by the maximum amount of inorganic material particles that can be produced and is not particularly limited (theoretically, for example, 90% by weight may be used).

In the present invention, plural types of substances may be used as the inorganic material particles of the far-infrared emitting substance (multiple types of substances that are “identical at the molecular level” described above are used). In this case, the same mixture of inorganic material particles can be used for the interior surface constituting member and the cooling / heating radiation panel surface. In this case, the content of the inorganic material particles in the material constituting the indoor surface constituent material and the surfaces of the cooling radiating panel 20 and the heating radiating panel 30 is the total amount of the same kind of substances in the mixture. expressed.

In order to efficiently radiate and absorb far-infrared rays, it is preferable that far-infrared emitting materials are exposed to the indoor space where the environment is adjusted as much as possible. However, if the far-infrared emitting material is not directly exposed to the indoor space, it is a major problem if it is covered with a protective layer of about 1 mm or less (for example, a paint layer, a varnish layer, wallpaper, etc.). There is no.

The far-infrared emissivity of the far-infrared emitting material used in the present invention is 0.6 or more, preferably 0.8 or more, more preferably 0.9 or more. Far-infrared radiation refers to electromagnetic waves having a wavelength of 3 μm to 1000 μm. The emissivity of a material is defined by W / W0, where W0 is the ideal black body far-infrared radiation energy under the same conditions, and W is the far-infrared radiation energy of the material. The emissivity value is preferably at room temperature (for example, 25 ° C.) close to the actual use temperature of the system of the present invention. For example, a value near 10 μm at which the thermal action on the human body is large is adopted.

In one embodiment of the present invention, the surfaces of the fins of the cooling radiant panel 20 and the heating radiant panel 30 are coated by mixing a pulverized far-infrared radiant material and a binder, coating them in layers, and drying them. ing. For example, on the surface of the fin, a coating layer having a thickness of about 200 μm formed of a white paint mixed with a pulverized material (stone powder) obtained by pulverizing granite, which has a far-infrared emissivity exceeding 0.9 is formed. The The particle size of the stone powder in the coating layer is 50 μm or less. The content of the stone powder in the coating layer is 20% by weight in the cured state (dry state) of the paint.
(Operation of radiant cooling and heating equipment)

Next, the operation of the radiant cooling and heating apparatus 100 according to the first embodiment will be described with reference to FIGS. 1 and 2.

1 and 2, the radiant cooling and heating apparatus 100 according to the first embodiment performs a cooling operation and a heating operation by switching a switching valve 40. The temperature of the cold water flowing through the cooling circulation pipe 21 or the temperature of the hot water flowing through the heating circulation pipe 31 can be set by an operation unit (not shown).

The radiant cooling and heating apparatus 100 according to the first embodiment includes an indoor surface constituent member made of a material containing a far-infrared emitting material that emits and absorbs far-infrared rays and has a far-infrared emissivity of 0.6 or more. Further, the surfaces of the cooling radiation panel 20 and the cooling radiation panel 30 are made of a material containing the same far-infrared radiation material as the far-infrared radiation material of the indoor surface constituent member.

During cooling, the switching valve 40 is switched to the cooling circulation pipe 21 side. When cold water is supplied from the heat exchanger 12 to the cooling circulation pipe 21, the fins of the cooling radiation panel 20 are cooled, and the surfaces of the fins function as cooling surfaces for performing the cold radiation. When the surface of the cooling radiation panel 20 is cooled, the far-infrared radiation material on the surface absorbs the far-infrared radiation emitted by the far-infrared radiation material of the indoor surface constituent member.

The cooling radiation panel 20 is housed in the panel housing portion 2 disposed in the vicinity of the ceiling portion 6. Since the cooling radiating panel 20 is close to the ceiling portion 6 and the surface of the cooling radiating panel 20 is made of a material containing the same far infrared radiating substance as the far infrared radiating substance of the indoor surface constituent member, The cooling radiation panel 20 absorbs the radiant heat of the ceiling portion 6 without blowing air like an air conditioner. If the temperature of the ceiling part 6 falls and a temperature difference with the temperature of the wall surface 5 arises, the radiant heat of the said wall surface 5 will move to the ceiling side. Furthermore, the radiant heat moved from the wall surface 5 to the ceiling side is absorbed by the cooling radiation panel 20 in the vicinity of the ceiling portion 6.

On the other hand, during heating, the switching valve 40 is switched to the heating circulation pipe 31 side. When hot water is supplied from the heat exchanger 12 to the circulation pipe 31 for heating, the fins of the radiation panel 30 for heating are warmed, and the surface of the fins functions as a heating surface that performs thermal radiation. When the surface of the heating radiating panel 30 is heated, the far-infrared radiation material of the indoor surface constituent member absorbs the far-infrared radiation emitted by the far-infrared radiation material on the heating surface.

As described above, the radiant cooling and heating apparatus 100 according to the first embodiment stores the cooling radiant panel 20 in the panel storage unit 2 disposed in the vicinity of the ceiling unit 6 and the heating radiant panel 30 on the floor. It is housed in the panel housing part 3 disposed in the vicinity of the part 7. Therefore, according to the radiant cooling and heating apparatus 100 according to the present invention, since the cooling radiating panel 20 and the heating radiating panel 30 do not occupy the indoor space, it is possible to increase the number of people accommodated and the usage area in the room to be cooled and heated. .

In addition, in the radiant cooling and heating apparatus 100 according to the first embodiment, the panel storage recess 2 for storing the cooling radiant panel 20 and the panel storage recess 3 for storing the heating radiant panel 30 are separated from each other. Are arranged. Furthermore, the panel housing recess 2 for housing the cooling radiation panel 20 and the panel housing recess 3 for housing the heating radiation panel 30 are disposed relatively vertically. Specifically, the cooling radiation panel 20 is disposed in the vicinity of the ceiling portion 6, and the heating radiation panel 30 is disposed in the vicinity of the floor portion 7. Therefore, according to the radiant cooling and heating apparatus 100 according to the first embodiment, since the cooling radiating panel 20 is disposed in the vicinity of the ceiling portion 6, local cooling near the radiating panel during cooling is prevented. be able to.

Further, the radiant cooling and heating apparatus 100 according to the first embodiment is provided with a drain pan 50 having a drain discharge pipe 51 connected to the lower part of the cooling radiating panel 20. Therefore, according to the radiant cooling and heating apparatus 100 according to the first embodiment, even when condensation occurs in the cooling radiant panel 20, the condensed water is received by the drain pan 50 and discharged from the drain discharge pipe 51. Can do. In particular, in the present embodiment, the extended end portion of the drain discharge pipe 51 is connected to the circulation pipe 31 for circulating the cooling water to the cooling radiation panel 20, so that the dew condensation water of the cooling radiation panel 20 is reduced. It can be used as cooling water.
[Second Embodiment]

Next, the configuration of the radiant cooling and heating apparatus according to the second embodiment will be described with reference to FIGS. FIG. 3 is a schematic longitudinal sectional view of a dew condensation preventing structure in the radiant cooling and heating apparatus according to the second embodiment. In addition, about the same component, the same code | symbol is attached | subjected and demonstrated.

The radiant cooling and heating apparatus 200 according to the second embodiment has the same configuration as that of the first embodiment, and includes a heat pump 11, a cooling radiant panel 20, and a heating radiant panel 30. As shown in FIG. 3, the radiant cooling and heating apparatus 200 according to the second embodiment is that a heat insulating material 61 and a reflective material 62 are provided in the panel housing recess 2 for housing the cooling radiating panel 20. Different from the first embodiment.

The panel housing recess 2 for housing the cooling radiation panel 20 is provided with a reflective material 62 via a heat insulating material 61. That is, the reflective material 62 is disposed on the indoor surface of the heat insulating material 61. As the heat insulating material 61, any type of heat insulating material can be used. For example, fiber-based heat insulating materials such as glass wool, cellulose fiber, insulation board, wool heat insulating material, and rock wool, styrene foam, beaded polyethylene foam, And plastic heat insulating materials such as phenol foam. The reflector 62 is preferably a reflector having a mirror surface such as an aluminum foil. Furthermore, it is preferable to apply a material containing the same far-infrared emitting material as the far-infrared emitting material of the indoor surface constituting member described above to the surface of the reflecting material 62. In the second embodiment, the fins of the cooling radiation panel 20 are disposed only on the front panel of the room.

As described above, according to the radiant cooling and heating apparatus 200 according to the second embodiment, there are basically the same effects as the radiant cooling and heating apparatus 100 according to the first embodiment. In particular, in the radiant cooling and heating apparatus 200 according to the present embodiment, the reflective material 62 is provided via the heat insulating material 61 in the panel housing recess 2 for housing the cooling radiating panel 20. Therefore, according to the radiant cooling and heating apparatus 200 according to the second embodiment, it is possible to positively take measures against condensation by reflecting far-infrared rays. Furthermore, by applying a material containing a far-infrared emitting substance on the surface of the reflective material 62, the wall surface of the panel housing recess 2 can have the function of a quasi-radiating panel.

FIG. 4 is a schematic longitudinal sectional view of an application example of the dew condensation prevention structure in the second embodiment. In the application example of the dew condensation prevention structure shown in FIG. 4, a resin layer 63 having a heat insulating property and a waterproof property is disposed on the back side of the cooling radiating panel 20 (the side opposite to the room 1). The thickness of the resin layer 63 increases sequentially from below to above, and the resin layer 63 is inclined obliquely downward. Since the resin layer 63 is close to the cooling radiation panel 20 and the aluminum cooling radiation panel 20 serves as a reflector, it is not necessary to provide a reflector on the surface of the resin layer 63. In this application example, the fins of the cooling radiation panel 20 are extended horizontally. That is, the dew condensation prevention structure of this application example is configured to take into account the convection direction of the warm air H. The resin layer 63 has a heat insulating effect and prevents moisture from moving from the cooling radiation panel 20 to the wall material. Further, by providing a certain gap between the cooling radiation panel 20 and the resin layer 63, moisture generated by condensation can be guided to the drain pan.
[Other Embodiments]

The preferred embodiments of the present invention have been described above, but these are examples for explaining the present invention, and the scope of the present invention is not limited to these embodiments. The present invention can be implemented in various modes different from the above-described embodiments without departing from the gist thereof.

For example, in the first and second embodiments, in addition to the heat pump 10, both the cooling radiation panel 20 and the heating radiation panel 30 are provided. However, the present invention is not limited to these modes, and the cooling radiation panel or Only one of the heating radiating panels may be provided. Even in the case of this aspect, the cooling radiant panel or the heating radiant panel is opened by facing the room to be cooled or heated, and is recessed from the wall surface of the room to form a panel housing recess. It is preferable to be housed inside. Moreover, it is preferable that the panel storage recessed part for accommodating the radiation panel for cooling is arrange | positioned in the vicinity of a ceiling part. On the other hand, the panel housing recess for housing the heating radiating panel is preferably disposed in the vicinity of the floor.

Moreover, in 2nd Embodiment, although the heat insulating material 61 and the reflective material 62 are provided only in the panel storage recessed part 2 for accommodating the radiation panel 20 for cooling, it is the structure similar to this, and the radiation panel 30 for heating is used. A heat insulating material 61 and a reflective material 62 may be provided in the same configuration in the panel housing recess 3 for housing the light. By providing the heat insulating material 61 and the reflective material 62 also in the panel housing recess 3 for housing the heating radiating panel 30, the radiation efficiency during heating can be increased.

Further, in the first and second embodiments, the panel storage recess 2 for storing the cooling radiation panel 20 and the panel storage recess 3 for storing the heating radiation panel 30 are relatively vertically positioned. However, the present invention is not limited to these embodiments, and as shown in the schematic plan view of FIG. 5, a panel storage recess 302 for storing the cooling radiation panel 320 and a heating radiation panel 330 are stored. The panel housing recess 3 may be spaced apart in a plane. In FIG. 5, a panel storage recess 302 for storing the cooling radiant panel 20 and a panel storage recess 303 for storing the heating radiant panel 30 are arranged on opposite walls. These panel storage recesses 302 and 303 may be disposed on the same wall surface.

According to the radiant cooling and heating apparatus of the present invention, since the cooling radiant panel and the heating radiant panel are each housed in the panel housing portion, application to a newly built house is particularly preferable.

1 indoor,
5 walls,
2, 3 Panel storage recess,
11 Heat pump,
20 Radiant panel for cooling,
30 Radiant panel for heating,
50 Drain pan,
51 drain discharge pipe,
61 insulation,
62 reflective material,
100, 200 Radiant air conditioner.

Claims

A heat pump,
A cooling radiant panel for circulating refrigerant;
A heating radiant panel for circulating the heat medium;
Comprising at least
Each radiant panel is opened facing the room to be air-conditioned, and is housed inside a panel housing recess formed by being partitioned from the wall surface in the room,
A radiant cooling and heating apparatus, wherein a panel storage recess for storing the cooling radiant panel and a panel storage recess for storing the heating radiant panel are arranged apart from each other.
The radiant cooling and heating apparatus according to claim 1, wherein a panel storage recess for storing the cooling radiant panel and a panel storage recess for storing the heating radiant panel are disposed relatively vertically.
The radiant cooling and heating apparatus according to claim 1 or 2, further comprising a drain pan connected to a drain discharge pipe at a lower portion of the radiating panel for cooling.
The radiation cooling and heating apparatus according to any one of claims 1 to 3, wherein the panel housing recess is provided with a heat insulating material and a reflective material, or a resin layer having heat insulating properties and waterproof properties.
Radiant air conditioning unit
It has an indoor surface component made of a material containing a far-infrared emitting material that radiates and absorbs far-infrared and has a far-infrared emissivity of 0.6 or more,
The cooling radiation panel and the surface of the cooling radiation panel are made of a material containing the same far-infrared radiation material as the far-infrared radiation material of the indoor surface component,
When the surface of the cooling radiation panel is cooled, the far-infrared radiation material on the surface absorbs far-infrared radiation emitted by the far-infrared radiation material of the indoor surface component member,
The far-infrared radiation material of the indoor surface constituent member absorbs far-infrared radiation emitted by the far-infrared radiation material on the heating surface when the surface of the heating radiation panel is heated. The radiant cooling and heating apparatus according to any one of 1 to 4.
A heat pump,
A cooling radiant panel for circulating refrigerant;
Comprising at least
The radiant cooling device is characterized in that the cooling radiant panel is opened facing the room to be cooled, and is housed in a panel housing recess formed by being recessed from the wall surface of the room. .