WO2012098763A1 - Dispositif de stockage de chaleur et dispositif d'alimentation en eau chaude équipé du dispositif de stockage de chaleur - Google Patents

Dispositif de stockage de chaleur et dispositif d'alimentation en eau chaude équipé du dispositif de stockage de chaleur Download PDF

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Publication number
WO2012098763A1
WO2012098763A1 PCT/JP2011/076718 JP2011076718W WO2012098763A1 WO 2012098763 A1 WO2012098763 A1 WO 2012098763A1 JP 2011076718 W JP2011076718 W JP 2011076718W WO 2012098763 A1 WO2012098763 A1 WO 2012098763A1
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WO
WIPO (PCT)
Prior art keywords
hot water
tank
storage device
heat storage
storage tank
Prior art date
Application number
PCT/JP2011/076718
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English (en)
Japanese (ja)
Inventor
泉　久雄
Original Assignee
Izumi Hisao
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
Application filed by Izumi Hisao filed Critical Izumi Hisao
Publication of WO2012098763A1 publication Critical patent/WO2012098763A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F24H1/181—Construction of the tank
    • F24H1/182—Insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818—Arrangement or mounting of electric heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/54—Water heaters for bathtubs or pools; Water heaters for reheating the water in bathtubs or pools

Definitions

  • the present invention relates to a heat storage device and a water heater provided with the heat storage device. More specifically, the present invention relates to a small heat storage device that has high heat insulation performance, achieves low cost and energy saving, and can be installed in a limited space, and a water heater provided with the heat storage device.
  • Patent Documents 1 and 2 Conventionally, as a heat storage device used for a water heater or the like, water is supplied from below the hot water tank, heated by a heater fixed to the inner surface of the hot water tank, and then discharged from above the hot water tank. A mechanism is known (Patent Documents 1 and 2).
  • the heat storage device having such a structure has problems from the viewpoint of cost and environmental consideration.
  • a heat storage device in which two layers of vacuum heat insulating layers are stacked around a hot water storage tank is disclosed in order to remove as much as possible the connection portion with the outside on the wall surface of the hot water storage tank and to further improve the heat insulation (Patent Document). 3).
  • the water temperature in the hot water tank is higher as it goes upward and lower as it goes downward.
  • a considerably large hot water storage tank is required to secure a predetermined amount of hot water at a predetermined temperature, which is not preferable from the viewpoint of cost and installation space.
  • heat transfer occurs in the hot water tank, and it goes without saying that extra energy is required to heat the water to a predetermined temperature and maintain the temperature. Yes.
  • the present invention has been made in view of such problems of the prior art, and the problem is that the heat insulating effect is high, compact, and excellent in terms of not only cost but also maintenance and environmental load.
  • Another object of the present invention is to provide a heat storage device and a water heater provided with the heat storage device.
  • the following heat storage device and water heater provided with the heat storage device are provided.
  • a heat storage device including a hot water storage tank whose entire outer periphery is surrounded by a heat insulating portion, wherein the heat insulating portion includes at least two layers of vacuum heat insulating space, and a heat insulating member is enclosed in the vacuum heat insulating space.
  • Water supply means for supplying water into the hot water storage tank, heating means for heating the water supplied into the hot water storage tank to obtain hot water of a predetermined temperature, and drainage for discharging the hot water from the hot water storage tank
  • an upper surface opening having a float valve is formed on the upper surface of the hot water tank as the only opening that connects the inside and the outside of the hot water tank, the water supply means, the heating means, and the
  • the drainage means is a heat storage device that enters and exits the hot water storage tank through the upper surface opening.
  • a slide support base having a cylindrical space on the inside above the upper surface opening, and a slide member that can move the inside of the slide support base in the vertical direction via an O-ring, At least a part of each of the water supply means, the heating means, and the drainage means is housed in the slide member, and the vertical movement of the slide member and the float valve of the upper surface opening are provided.
  • the heat storage device according to any one of [1] to [4], wherein the water supply means, the heating means, and the drainage means can be moved in and out of the hot water storage tank by being synchronized with opening and closing of the water supply.
  • the water supply means is a tubular member provided with a water supply port in the vicinity of the lower end thereof, and is capable of supplying the water near the bottom surface in the hot water tank.
  • Temperature measuring means for measuring the temperature of the hot water in the hot water tank, water detecting means for detecting the presence of the hot water at a predetermined height position in the hot water tank, and air in the hot water tank
  • the heat storage device according to any one of [5] to [9], wherein at least one of the air feeding means to be fed is provided in a state in which at least a part thereof is housed in the slide member.
  • the heat storage device and the water heater provided with the heat storage device of the present invention it is possible to maintain the water temperature in the hot water tank for a long time, for example, using cheap midnight power, time zones other than midnight It is possible to operate at low cost and save resources, such as supplying hot water used in As a result, not only the running cost can be reduced, but also the environmental load such as the generation of CO 2 can be reduced.
  • the heat storage device of the present invention and the water heater provided with the heat storage device realize a considerable size reduction as compared with the conventional one, and it is easy even in a narrow water space in a kitchen or bathroom of a general household. It can be installed in the network, and the initial cost at the time of introduction can be kept low.
  • FIG. 1 is a schematic cross-sectional view of a part of an embodiment of a heat storage device of the present invention as viewed from the side.
  • the 1st tank 11 is provided as a hot water storage tank
  • the 2nd tank 12 is provided in the outer side
  • the 3rd tank 13 is further provided in the outer side.
  • a first vacuum heat insulation space 21 is formed between the first tank 11 and the second tank 12
  • a second vacuum heat insulation space 22 is formed between the second tank 12 and the third tank 13.
  • the heat insulating member 20 is sealed in each of the first vacuum heat insulating space 21 and the second vacuum heat insulating space 22.
  • the heat storage device 1 of the present invention improves the heat insulation performance over the conventional heat storage device by overlapping the two layers of vacuum heat insulation spaces 21 and 22, and even if the hot water tank 11 is damaged, It has a structure that prevents water leakage.
  • each of the first to third tanks 11, 12, and 13 is not particularly limited as long as it contributes to the improvement of the heat insulation performance of the heat storage device 1 by reducing the radiant heat, but the heat insulation effect. From the viewpoint of durability, it is preferable to use a metal material with a mirror finish, and it is particularly preferable to use a stainless steel material.
  • three tanks 11, 12, and 13 are stacked to form two layers of vacuum heat insulating spaces 21 and 22, but in order to further improve the heat insulating performance of the heat storage device 1. In order to further increase the vacuum heat insulation space, it is possible to stack more tanks.
  • the heat insulating member 20 sealed in the first vacuum heat insulating space 21 and the second vacuum heat insulating space 22 is not particularly limited as long as it can be sealed in a narrow gap between the tanks, and urethane.
  • the heat insulating material 20a which is a nonwoven fabric made of a material such as foam, glass wool, or silica fiber can be suitably used.
  • a reflector 20b made of, for example, an aluminum sheet, a higher thermal insulation effect can be obtained.
  • the heat insulating member 20 is a heat insulating panel obtained by sandwiching and sealing the above heat insulating material 20a inside the reflective material 20b of two sheets, or a vacuum heat insulating panel obtained by evacuating at the time of sealing. It is preferable because the heat insulating effect is higher than when a single heat insulating material 20a having the same thickness is used, and at the same time, it becomes easy to enclose the heat insulating member 20 so as to cover each tank even in a narrow gap.
  • the heat insulation space that has been evacuated is subject to deterioration in airtightness and heat insulation due to aging of the tank and packing part, and it is difficult to repair it. It is.
  • the heat storage device 1 of the present invention when the heat insulating member 20 is enclosed in the vacuum heat insulating spaces 21 and 22, even if the airtightness of the vacuum heat insulating spaces 21 and 22 is broken, the heat insulating member 20 The convection phenomenon and the radiation phenomenon in the vacuum heat insulating spaces 21 and 22 can be suitably prevented.
  • the first to third tanks 11, 12, and 13 are members independent of each other, but their upper surfaces are connected to each other by a plurality of plate-like members 15 and through bolts 16 as shown in FIG.
  • the plurality of plate-like members 15 also serve to seal the vacuum heat insulating spaces 21 and 22.
  • the plate-like member 15 for example, a stainless plate, a resin plate, or the like can be used in combination. Further, it is preferable to sandwich a thin heat insulating material or packing between each plate-like member 15 and the plate-like member 15 as necessary.
  • Each of the vacuum heat insulating spaces 21 and 22 is sealed as described above after the heat insulating member 20 is sealed, and then is evacuated through an air vent pipe (not shown) provided in some plate-like members 15. These air vent pipes are finally vacuum-sealed by caulking.
  • an upper surface opening 14 is formed at the center of the upper surface of the first to third tanks 11, 12, 13.
  • the upper surface opening 14 is the only connection port that connects the inside and the outside of the hot water tank 11, and has a structure in which the airtightness of the hot water tank 11 can be maintained by the cantilevered float valve 19. It has become.
  • the heat storage device 1 of the present invention has such a structure to prevent heat dissipation from the inside of the hot water tank 11 to the outside, and more than a conventional heat storage device provided with a plurality of openings on the inner wall of the hot water tank. It can have excellent heat insulation performance.
  • a slide support base 9 having a cylindrical space inside and an inner side of the slide support base 9 above the upper surface opening 14 via an O-ring 10.
  • a slide member 8 operable in the vertical direction is provided.
  • the slide member 8 is lowered, the float valve 19 is opened into the hot water storage tank 11, that is, downward, and when the slide member 8 is raised, the float valve 19 is returned to the original position, and the upper surface opening portion is opened. 14 is closed.
  • the heat storage device 1 of the present invention includes at least a water supply means 30 for supplying water into the hot water storage tank 11, a heating means 32 for heating the water supplied into the hot water storage tank 11 to make hot water 2 at a predetermined temperature, and a hot water storage tank 11 and a drainage means 31 for discharging the hot water 2 from the inside. It is preferable that at least a part of each of the water supply means 30, the heating means 32, and the drainage means 31 is accommodated in the slide member 8. That is, the vertical movement of the slide member 8 and the opening / closing of the float valve 10 at the upper surface opening 14 are synchronized, so that the water supply means 30, the heating means 32, and the drainage means 31 enter and exit the hot water storage tank 11. It is possible. By adopting such a structure, each means 30, 31, and 32 can be completely taken out of the hot water tank 11 except when necessary. Such a structure contributes to the improvement of the heat insulation performance of the heat storage device 1.
  • the water supply means 30 is preferably a tubular member provided with a water supply port in the vicinity of the lower end thereof. With this structure, the water supply means 30 can supply water near the bottom surface in the hot water tank 11.
  • a means for discharging the hot water 2 from the hot water storage tank 11 there is a method of extruding and discharging the hot water with the water pressure at the time of water supply. At that time, if the structure is as described above, the hot water 2 and water are mixed. It is suitably prevented that the temperature of the hot water is lowered.
  • the heater part of the heating means 32 is configured to be located in the vicinity of the water supply port.
  • emitting warm water 2 with an air pressure by sending air instead of water in the hot water tank 11, etc., etc. are mentioned, for example.
  • the heating means 32 a known pipe heater can be used. Moreover, it is preferable that the heating means 32 is a movable heating means capable of controlling the whole or a part of the operation in the hot water tank 11. Since the heating means 32 slides into the hot water storage tank 11 through the upper surface opening 14 of the hot water storage tank 11 when used, the effect of stirring the hot water 2 in the hot water storage tank 11 only by its vertical movement. However, by controlling the operation in the lateral direction and the oblique direction in the hot water storage tank 11, the hot water 2 in the hot water storage tank 11 can be heated and stirred at the same time. Such a stirring action is effective for keeping the water temperature in the hot water tank 11 constant.
  • the heat storage device 1 of the present invention may further include a stirring means 33 capable of stirring the hot water 2 in the hot water tank 11.
  • a stirring means 33 capable of stirring the hot water 2 in the hot water tank 11.
  • the stirring means 33 is a shape suitable for the stirring of the hot water 2 in the hot water storage tank 11, it can be set as desired shapes, such as an umbrella shape, a propeller shape, and a lattice shape.
  • the material for example, silicon is preferably used because it has little influence on the water temperature and is easy to process, but is not particularly limited.
  • the heating means 32 and the stirring means 33 may form an integral heating and stirring means by attaching the stirring means 33 above the heating means 32 as shown in FIG.
  • the stirring means 33 is preferably a movable stirring means capable of controlling the operation of the whole or a part of the hot water tank 11 as with the heating means 32.
  • making the heating means 32 and / or the stirring means 33 movable not only increases the stirring effect for keeping the inside of the hot water tank 11 at a uniform water temperature, but also reduces the opening area of the upper surface opening 14. There is a merit that it is possible to cope with it.
  • the area of the upper surface opening 14, that is, the connecting portion that connects the inner side and the outer side of the hot water tank 11, should be small.
  • the heating means 32 and / or the stirring means 33 are passed through the narrow upper surface opening 14 in a compactly folded state such as a rod shape or a flat plate shape, for example, the heating means 32 and / or the stirring means 33 are three-dimensionally expanded in the hot water storage tank 11.
  • the heat storage device 1 having further high heat insulation performance can be obtained.
  • the shape of the upper surface opening 14 can be a desired shape such as a small circle, a small ellipse, or a slit.
  • FIG. 2 is a schematic cross-sectional view of one embodiment of the slide member of the heat storage device of the present invention as seen from the top surface direction.
  • the heat storage device 1 of the present invention may include various means such as pipes and sensors as needed in addition to the water supply means 30, the heating means 32, and the drainage means 31. preferable.
  • the temperature measuring means 34 for measuring the temperature of the hot water 2 in the hot water tank 11, the water detecting means 35 for detecting the presence of the hot water 2 at a predetermined height position in the hot water tank 11, and the hot water tank 11.
  • the air input means 36 is used when discharging the hot water 2 from the hot water tank 11. Specifically, when air is sent into the hot water tank 11 by the air input means 36, the hot water 2 can be discharged from the hot water tank 11 by the air pressure.
  • the temperature measuring means 34, the water detecting means 35, and the air input means 36 are at least partially composed of the slide member 8 as in the water supply means 30, the heating means 32, and the drainage means 31. It is preferably provided in a state of being housed inside.
  • FIG. 3 is a schematic cross-sectional view of an embodiment of a water heater provided with the heat storage device of the present invention as viewed from the side.
  • the thermal storage apparatus 1 of this invention is a substantially rectangular parallelepiped shape long in a vertical direction.
  • Many conventional heat storage devices have pipes connected to the upper and lower sides of a large cylindrical hot water storage tank, which requires a large installation space and requires extensive construction for installation.
  • the heat storage device 1 of the present invention if the heat storage device 1 is an open-open type heat storage device 1 having a slim, substantially rectangular parallelepiped shape, complicated work is required even in a narrow water space such as a kitchen or bathroom in a general household. Installation is possible without any problem.
  • the hot water heater 51 of the present invention includes a heat storage device 1 and a filtration device 41 that allows the remaining hot water 42 to be circulated and used by filtering the remaining hot water 42 in the bathtub and guiding it to the heat storage device 1. It is preferable to provide.
  • the filtering device 41 is not particularly limited as long as it can filter the remaining hot water 42 after bathing to a reusable level, and a conventionally known one can be used. Specifically, it is preferable to use a filtration device 41 provided with a ceramic membrane filter as disclosed in, for example, Japanese Patent No. 3822543.
  • the ceramic membrane filter is suitable as a means for filtering the remaining hot water 42 because it can precisely filter dust, bacteria, sebum, and viruses.
  • the water heater 51 of the present invention preferably includes a mixing plug 37 for mixing tap water with the hot water 2 discharged from the hot water tank 11.
  • the hot water 2 maintained at an arbitrary temperature in the hot water tank 11 needs to be adjusted to an appropriate temperature during use.
  • tap water is directly poured into the hot water tank 11 to adjust the temperature of the hot water 2 in the hot water tank 11, or tap water is mixed with the hot water 2 discharged from the hot water tank 11 later.
  • a method of adjusting the temperature appropriately.
  • the hot water 2 discharged from the hot water tank 11 is mixed with the tap water at a faucet and adjusted to a desired temperature, and discharged from the hot water tank 11.
  • a method of supplying the hot water 2 to the faucet after previously mixing the hot water 2 with tap water supplied from a mixing plug 37 connected to the heat storage device 1 is exemplified.
  • a water heater 51 having a mixing plug 37 as shown in FIG. 3 is preferable regardless of the type of the faucet and because it eliminates the trouble of adjusting the temperature at the faucet.
  • the outside of the third tank 13 of the heat storage device 1 is covered with a heat insulating material 38 as shown in FIG.
  • a heat insulating material 38 As shown in FIG.
  • the raw material of the heat insulating material 38 is not specifically limited, a cheap polystyrene foam etc. are used suitably. By setting it as such a structure, it can prevent suitably that the thermal storage apparatus 1 is received from external temperature.
  • the heat storage device and the water heater provided with the heat storage device according to the present invention are low environmental load and space-saving hot water supply systems with reduced initial investment and running costs compared to conventional ones, regardless of whether they are for home use or for business use. It can be suitably used.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Fluid Heaters (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

La présente invention se rapporte à un dispositif de stockage de chaleur compact qui présente des performances d'isolation élevées et peut être mis en œuvre à un faible coût et avec une charge sur l'environnement faible, et peut être installé dans un espace restreint ; l'invention se rapporte également à un dispositif d'alimentation en eau chaude équipé du dispositif de stockage de chaleur. Ce dispositif de stockage de chaleur (1) est équipé d'une cuve de stockage d'eau chaude (11) dont toute la périphérie est entourée par une unité d'isolation, l'unité d'isolation comprenant au moins deux couches d'espaces isolants sous vide (21, 22), et des éléments isolants (20) enfermés dans les espaces isolants sous vide (21, 22). Le dispositif de stockage de chaleur (1) est également équipé d'un moyen d'alimentation en eau (30) qui achemine l'eau jusqu'à l'intérieur de la cuve de stockage d'eau (11), d'un moyen de chauffage (32) qui chauffe l'eau apportée à la cuve de stockage d'eau chaude (11) afin de produire de l'eau chaude (2) ayant une température prescrite, et d'un moyen de sortie qui fait sortir l'eau chaude (2) de la cuve de stockage d'eau chaude (11). Une partie d'ouverture de surface supérieure (14) ayant un clapet à flotteur (19) est formée su la surface supérieure de la cuve de stockage d'eau (11) comme unique orifice d'accès reliant l'intérieur et l'extérieur de la cuve de stockage d'eau (11).
PCT/JP2011/076718 2011-01-19 2011-11-18 Dispositif de stockage de chaleur et dispositif d'alimentation en eau chaude équipé du dispositif de stockage de chaleur WO2012098763A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-008522 2011-01-19
JP2011008522A JP4861519B1 (ja) 2011-01-19 2011-01-19 蓄熱式給湯器

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WO2012098763A1 true WO2012098763A1 (fr) 2012-07-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190226718A1 (en) * 2018-01-21 2019-07-25 Bruce Edward Clark Unpressurized horizontal electric storage tank water heater
WO2021251823A1 (fr) * 2020-06-08 2021-12-16 Quooker International B.V. Appareil à eau chaude

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5268079B2 (ja) * 2011-11-18 2013-08-21 久雄 泉 蓄熱装置及び蓄熱装置を備えた給湯器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186593U (ja) * 1982-06-07 1983-12-12 株式会社河合電器製作所 カ−トリツジタイプの電気加熱装置
JP2000337708A (ja) * 1999-05-28 2000-12-08 Mitsubishi Electric Corp 電気温水器
JP4571703B1 (ja) * 2009-09-02 2010-10-27 久雄 泉 家庭用ろ過湯貯湯槽装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186593A (ja) * 1982-04-26 1983-10-31 株式会社小松製作所 産業用ロボツトの手首部姿勢制御方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186593U (ja) * 1982-06-07 1983-12-12 株式会社河合電器製作所 カ−トリツジタイプの電気加熱装置
JP2000337708A (ja) * 1999-05-28 2000-12-08 Mitsubishi Electric Corp 電気温水器
JP4571703B1 (ja) * 2009-09-02 2010-10-27 久雄 泉 家庭用ろ過湯貯湯槽装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190226718A1 (en) * 2018-01-21 2019-07-25 Bruce Edward Clark Unpressurized horizontal electric storage tank water heater
US10591183B2 (en) * 2018-01-21 2020-03-17 Bruce Edward Clark Unpressurized horizontal electric storage tank water heater
WO2021251823A1 (fr) * 2020-06-08 2021-12-16 Quooker International B.V. Appareil à eau chaude
NL2025785B1 (nl) * 2020-06-08 2022-01-28 Quooker Int B V Heetwatertoestel

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JP2012149814A (ja) 2012-08-09

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