JP4254902B1 - Hot water storage tank unit and heat pump water heater using the same - Google Patents

Hot water storage tank unit and heat pump water heater using the same Download PDF

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JP4254902B1
JP4254902B1 JP2008077332A JP2008077332A JP4254902B1 JP 4254902 B1 JP4254902 B1 JP 4254902B1 JP 2008077332 A JP2008077332 A JP 2008077332A JP 2008077332 A JP2008077332 A JP 2008077332A JP 4254902 B1 JP4254902 B1 JP 4254902B1
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heat insulating
insulating material
hot water
storage tank
water storage
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JP2009229027A (en
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昌宏 尾浜
吉継 西山
哲英 倉本
照夫 山本
常子 今川
雅之 藤本
大 三好
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Panasonic Corp
Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Abstract

【課題】貯湯タンクからの放熱ロスを低減させるとともに設置の自由度を大きくしたことで実用性の高い貯湯タンクユニットを提供すること。
【解決手段】複数の断熱材は、貯湯タンク２の上部を断熱し成型断熱材からなる上部断熱材１１ａと、貯湯タンクの下部を断熱し成型断熱材からなる下部断熱材１１ｃと、貯湯タンクの側面部を断熱し真空密閉するために熱溶着された外被材の外周部である熱溶着部端面２２を有する真空断熱材からなる側面部断熱材１１ｂで構成され、側面部断熱材１１ｂと略接触する部分の上部断熱材１１ａと下部断熱材１１ｃの両方の厚み、又は、どちらか一方の厚みを、側面部断熱材１１ｂである真空断熱材の厚みと略同一とした略同一厚み部１８を設けたことにより、断熱材のつなぎ目から雰囲気へ放熱する熱量が削減されるため、貯湯熱量の有効利用の向上を図ることができる。
【選択図】図１An object of the present invention is to provide a hot water storage tank unit having high practicality by reducing heat dissipation loss from the hot water storage tank and increasing the degree of freedom of installation.
A plurality of heat insulating materials are formed by insulating an upper part of a hot water storage tank 2 from an upper insulating material 11a formed of a molded heat insulating material, a lower heat insulating material 11c formed of a heat insulating material formed by insulating a lower part of the hot water storage tank, and a hot water storage tank. It is composed of a side surface heat insulating material 11b made of a vacuum heat insulating material having a heat welding portion end surface 22 which is an outer peripheral portion of a jacket material heat-welded to insulate and vacuum seal the side surface portion, and is substantially the same as the side surface heat insulating material 11b The thickness of the upper heat insulating material 11a and the lower heat insulating material 11c in the contacting part, or the thickness of one of them is substantially the same as the thickness of the vacuum heat insulating material that is the side surface heat insulating material 11b. By providing, since the amount of heat dissipated from the joint of the heat insulating material to the atmosphere is reduced, it is possible to improve the effective use of the amount of stored hot water.
[Selection] Figure 1

Description

本発明は、ヒートポンプ給湯機、電気温水器などの貯湯式給湯装置の貯湯タンクの断熱構造に関するものである。   The present invention relates to a heat insulating structure of a hot water storage tank of a hot water storage hot water supply apparatus such as a heat pump water heater or an electric water heater.

従来のこの種の貯湯タンクユニットを使用する給湯装置は、加熱手段によって水を高温の湯に加熱し、断熱材で被覆された貯湯タンクへ貯留して、給湯要求があったときに給湯端末で湯を利用する構成としている。図５は、このような従来の貯湯タンクユニットを使用した一般的な貯湯式給湯装置を示すものである（例えば、特許文献１参照）。   A conventional hot water supply apparatus using this type of hot water storage tank unit heats water to hot water by heating means, stores it in a hot water storage tank covered with a heat insulating material, and when there is a hot water supply request, The structure uses hot water. FIG. 5 shows a general hot water storage type hot water supply apparatus using such a conventional hot water storage tank unit (see, for example, Patent Document 1).

図５で示すように、貯湯タンク２に給水配管１４から供給されて貯留されている温度の低い水は、入水管路７に配した水ポンプ９により、入水配管１２を介して加熱手段１へ搬送される。加熱手段１によって加熱されて高温となった湯は、加熱手段１に接続される出湯配管１３と、出湯配管１３に接続して貯湯タンク２へ湯を導く出湯管路８によって、貯湯タンク２の上部より貯留される。   As shown in FIG. 5, the low-temperature water supplied and stored in the hot water storage tank 2 from the water supply pipe 14 is supplied to the heating means 1 via the water inlet pipe 12 by the water pump 9 disposed in the water inlet pipe 7. Be transported. The hot water heated to the high temperature by the heating means 1 is supplied to the hot water storage tank 2 by the hot water piping 13 connected to the heating means 1 and the hot water outlet pipe 8 connected to the hot water piping 13 and leading the hot water to the hot water storage tank 2. It is stored from the top.

蛇口などの給湯端末１６で給湯利用する場合は、給水配管１４に接続された給水管路５から供給される給水と、貯湯タンク２に接続された給湯上部管路４から供給される湯を、混合弁３で、リモコン（図示せず）等で設定された温度の給湯水となるように、給水と湯を混合し、設定温度となった給湯水は、給湯管路６、給湯管路６に接続する給湯配管１５を順に経由して、給湯端末１６へ供給される。また、貯湯タンク２には、貯湯タンク２から雰囲気へ放熱する熱量を抑えるために、断熱材１７が被覆されている。貯湯タンク２、混合弁３、給湯上部管路４、給水管路５、給湯管路６、入水管路７、出湯管路８、水ポンプ９などは、天面部の外装体１０ａ、側面部の外装体１０ｂ、底面部の外装体１０ｃによって包囲されることにより、貯湯タンクユニットとして形成される。   When using hot water at the hot water supply terminal 16 such as a faucet, the hot water supplied from the hot water supply pipe 5 connected to the hot water supply pipe 14 and the hot water supplied from the hot water supply upper pipe 4 connected to the hot water storage tank 2 are: The mixing valve 3 mixes hot water and hot water so that the hot water is set to a temperature set by a remote controller (not shown) or the like, and the hot water having the set temperature is supplied to the hot water supply pipe 6 and the hot water supply pipe 6. Is supplied to the hot water supply terminal 16 via the hot water supply pipes 15 connected to the. The hot water storage tank 2 is covered with a heat insulating material 17 in order to suppress the amount of heat radiated from the hot water storage tank 2 to the atmosphere. The hot water storage tank 2, the mixing valve 3, the hot water supply upper pipe 4, the water supply pipe 5, the hot water supply pipe 6, the incoming water pipe 7, the hot water outlet pipe 8, the water pump 9, etc. It is formed as a hot water storage tank unit by being surrounded by the exterior body 10b and the exterior body 10c at the bottom.

断熱材１７には、断熱性能の高い（熱伝導率が低い）断熱材を利用している。そのため、貯湯タンク２の放熱熱量が低減し、貯湯タンク２の熱容量を比較的長い時間保持することができる。また、貯湯タンク２の放熱熱量の低減に伴い、加熱・保温などに必要な電力量が低減する。断熱材１７の材質は、例えば、発泡ポリプロピレン、発泡ポリスチレン等の発泡樹脂、または、グラスウール、グラスファイバーなどの繊維材料などが用いられる。   As the heat insulating material 17, a heat insulating material with high heat insulating performance (low thermal conductivity) is used. Therefore, the amount of heat released from the hot water storage tank 2 is reduced, and the heat capacity of the hot water storage tank 2 can be maintained for a relatively long time. Further, as the amount of heat radiated from the hot water storage tank 2 is reduced, the amount of electric power required for heating and heat insulation is reduced. The material of the heat insulating material 17 is, for example, a foamed resin such as foamed polypropylene or foamed polystyrene, or a fiber material such as glass wool or glass fiber.

ところで貯湯タンク２の上部には、前述した出湯管路８や給湯上部管路４が接続され、さらに、給湯上部管路４が接続された混合弁３が配置されている。そのため、貯湯タンク上部を断熱する場合、断熱材の形状が複雑になる。グラスウール、グラスファイバーなど
の繊維材料の断熱材を用いれば、比較的簡単に断熱ができるが、断熱性能が悪いため、断熱材の厚みが大きくなるという課題があった。そして、このような課題を解決する一つの手段として、比較的複雑な形状にできる発泡樹脂を使用した成型断熱材を用いる方法がある。 By the way, the hot water storage tank 2 is connected to the hot water discharge pipe 8 and the hot water supply upper pipe 4 described above, and further, the mixing valve 3 to which the hot water supply upper pipe 4 is connected is arranged. Therefore, when the upper part of the hot water storage tank is insulated, the shape of the heat insulating material becomes complicated. If a heat insulating material made of a fiber material such as glass wool or glass fiber is used, heat insulation can be performed relatively easily. However, since the heat insulating performance is poor, there is a problem that the thickness of the heat insulating material increases. As one means for solving such a problem, there is a method using a molded heat insulating material using a foamed resin that can be formed into a relatively complicated shape.

また、上述したように、断熱材１７の厚みを大きくして放熱熱量の低減を図っているので装置の形状が大きくなり、設置できる場所の自由度が小さかった。そのため、給湯装置の設置の自由度の面から、装置の小形化が要望されている。   In addition, as described above, the thickness of the heat insulating material 17 is increased to reduce the amount of heat radiated, so that the shape of the apparatus is increased, and the degree of freedom of installation location is small. Therefore, downsizing of the apparatus is desired from the viewpoint of the degree of freedom of installation of the hot water supply apparatus.

そして、これに対応するために断熱性能に優れている真空断熱材を用い、断熱材の厚みを小さくして、装置の小形化を図ることが提案されている。図６にこのような例を示す。同図において、貯湯タンク２の外面には、断熱材１１ａ、１１ｂ、１１ｃを備えている。すなわち、貯湯タンク２の上部の断熱材として上部断熱材１１ａ、貯湯タンク２の側面の断熱材として側面部断熱材１１ｂ、貯湯タンク２の下部の断熱材として下部断熱材１１ｃである。また、上部断熱材１１ａと下部断熱材１１ｃとは成型断熱材であり、側面部断熱材１１ｂは真空断熱材である。
特開２００４−２５１５２１号公報 And in order to respond | correspond to this, using the vacuum heat insulating material excellent in heat insulation performance, reducing the thickness of a heat insulating material and aiming at size reduction of an apparatus is proposed. FIG. 6 shows such an example. In the figure, the outer surface of the hot water storage tank 2 is provided with heat insulating materials 11a, 11b and 11c. That is, an upper heat insulating material 11 a as a heat insulating material on the upper side of the hot water storage tank 2, a side surface heat insulating material 11 b as a heat insulating material on the side surface of the hot water storage tank 2, and a lower heat insulating material 11 c as a heat insulating material on the lower side of the hot water storage tank 2. The upper heat insulating material 11a and the lower heat insulating material 11c are molded heat insulating materials, and the side surface heat insulating material 11b is a vacuum heat insulating material.
JP 2004-251521 A

しかしながら、このような構成にした場合、貯湯タンク２の上下の断熱材である上部断熱材１１ａ、下部断熱材１１ｃと側面の断熱材である側面部断熱材１１ｂとのつなぎ目部分の接触部（図６のＡ部）からの放熱が大きいという課題がある。特に、上部断熱材１１ａと下部断熱材１１ｃである成型断熱材と側面部断熱材１１ｂである真空断熱材との接触部の厚みが異なる（一般に断熱性能が劣る成型断熱材の厚みが大きい）ため、真空断熱材を貯湯タンクに取り付ける場合に、成型断熱材と真空断熱材との隙間の確認が困難であるので、場合によっては、大きな隙間ができる場合があり、断熱性能の信頼性に課題がある。   However, in the case of such a configuration, the contact portion of the joint portion between the upper heat insulating material 11a and the lower heat insulating material 11c that are the upper and lower heat insulating materials of the hot water storage tank 2 and the side surface heat insulating material 11b that is the side heat insulating material (see FIG. 6), there is a problem that heat radiation from part A) is large. In particular, the thickness of the contact portion between the molded heat insulating material, which is the upper heat insulating material 11a and the lower heat insulating material 11c, and the vacuum heat insulating material, which is the side surface heat insulating material 11b, is different (in general, the thickness of the molded heat insulating material with poor heat insulating performance is large). When attaching a vacuum heat insulating material to a hot water storage tank, it is difficult to check the gap between the molded heat insulating material and the vacuum heat insulating material, so there may be a large gap in some cases, and there is a problem with the reliability of the heat insulating performance. is there.

また、つなぎ目部分の接触部からの放熱を防止するために、この部分に粘着テープなどを貼ることによって隙間をなくし放熱を防ぐということが考えられる。しかし、図６のような構成の場合には、成型断熱材である上部断熱材１１ａ、下部断熱材１１ｃと真空断熱材である側面部断熱材１１ｂとでできる面は９０度の角度があり、さらに、接触部分は円形状になっているので、完全にこの部分を粘着テープなどで隙間をなくすためには、作業時間がかかり、さらに、作業が困難なため、放熱防止の信頼性に問題があるという課題がある。   Moreover, in order to prevent the heat radiation from the contact part of a joint part, it is possible to eliminate a clearance | gap by sticking an adhesive tape etc. to this part, and to prevent heat radiation. However, in the case of the configuration as shown in FIG. 6, the surface formed by the upper heat insulating material 11a, which is a molded heat insulating material, the lower heat insulating material 11c, and the side surface heat insulating material 11b, which is a vacuum heat insulating material, has an angle of 90 degrees. Furthermore, since the contact part is circular, it takes time to completely eliminate the gap with adhesive tape, and the work is difficult. There is a problem that there is.

本発明は、前記従来の課題を解決するもので、貯湯タンクからの放熱ロスを低減させて高断熱の貯湯タンクユニットを提供することを目的とする。   SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object thereof is to provide a highly insulated hot water storage tank unit by reducing heat loss from the hot water storage tank.

前記従来の課題を解決するために、本発明の貯湯タンクユニットは、複数の断熱材を有する貯湯タンクと、前記貯湯タンクに接続された複数の配管と、前記貯湯タンクを包囲する外装体とを備え、前記複数の断熱材は、前記貯湯タンクの上部に配設され成型断熱材で形成された上部断熱材、前記貯湯タンクの下部に配設され成型断熱材で形成された下部断熱材、前記貯湯タンクの側面部に配設され真空密閉するために熱溶着された外被材の外周部である熱溶着部端面を有する真空断熱材で形成された側面部断熱材で構成され、前記上部断熱材および／または前記下部断熱材の前記側面部断熱材と接触する部分の厚みを、前記側面部断熱材の厚みと略同一とするとともに、前記熱溶着部端面を、前記貯湯タンクに接しないように伸ばしたり曲げたりする構成としたことを特徴とするもので、上部断熱材
と下部断熱材である成型断熱材と側面部断熱材である真空断熱材との接触部の厚みが略同一であるため、真空断熱材を貯湯タンクに取り付ける場合に、成型断熱材と真空断熱材との隙間の確認が容易であるので、取り付け作業の信頼性が向上し、さらに、隙間からの放熱を低減できる効果がある。また、熱溶着部端面が高温になることを防止することになるので、真空断熱材の真空度を保つことができ、断熱の信頼性を向上することができる。 In order to solve the conventional problems, a hot water storage tank unit of the present invention includes a hot water storage tank having a plurality of heat insulating materials, a plurality of pipes connected to the hot water storage tank, and an exterior body surrounding the hot water storage tank. The plurality of heat insulating materials, the upper heat insulating material disposed at the upper part of the hot water storage tank and formed of a molded heat insulating material, the lower heat insulating material disposed at the lower part of the hot water storage tank and formed of the molded heat insulating material, consists of a side portion thermal insulation material formed by vacuum heat insulating material having a heat seal end face which is the outer peripheral portion of the heat welded covering material to vacuum is arranged on the side surface of the hot water storage tank sealed, before Symbol The thickness of the upper insulating material and / or the lower insulating material in contact with the side surface insulating material is substantially the same as the thickness of the side surface insulating material, and the end face of the heat welded portion is in contact with the hot water storage tank. Do not stretch or bend It was benefit arrangement characterized in, since the thickness of the contact portion of the vacuum heat insulating material which is the upper insulation and molded heat insulating material and side portions heat insulating material is a lower heat insulating material are substantially the same, vacuum insulation When attaching the material to the hot water storage tank, it is easy to check the gap between the molded heat insulating material and the vacuum heat insulating material, so that the reliability of the attachment work is improved, and further, the heat radiation from the gap can be reduced. Moreover, since it will prevent that a heat weld part end surface becomes high temperature, the vacuum degree of a vacuum heat insulating material can be maintained and the reliability of heat insulation can be improved.

本発明によれば、断熱性能の信頼性を高めることによって、貯湯タンクからの漏洩熱量が抑えられる実用性の高い貯湯タンクを提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, the hot water storage tank with high practicality which can suppress the amount of heat leaked from a hot water storage tank can be provided by improving the reliability of heat insulation performance.

第１の発明は、複数の断熱材を有する貯湯タンクと、前記貯湯タンクに接続された複数の配管と、前記貯湯タンクを包囲する外装体とを備え、前記複数の断熱材は、前記貯湯タンクの上部に配設され成型断熱材で形成された上部断熱材、前記貯湯タンクの下部に配設され成型断熱材で形成された下部断熱材、前記貯湯タンクの側面部に配設され真空密閉するために熱溶着された外被材の外周部である熱溶着部端面を有する真空断熱材で形成された側面部断熱材で構成され、前記上部断熱材および／または前記下部断熱材の前記側面部断熱材と接触する部分の厚みを、前記側面部断熱材の厚みと略同一とするとともに、前記熱溶着部端面を、前記貯湯タンクに接しないように伸ばしたり曲げたりする構成としたことを特徴とするもので、真空断熱材を貯湯タンクに取り付ける場合に、成型断熱材と真空断熱材との隙間の確認が容易であるので、取り付け作業の信頼性、結果として断熱性能の信頼性が向上する。 1st invention is equipped with the hot water storage tank which has a some heat insulating material, the some piping connected to the said hot water storage tank, and the exterior body which surrounds the said hot water storage tank, The said several heat insulating materials are the said hot water storage tanks The upper heat insulating material formed on the upper portion of the hot water tank and formed of a molded heat insulating material, the lower heat insulating material disposed on the lower portion of the hot water storage tank and formed of the molded heat insulating material, and disposed on the side surface of the hot water storage tank and vacuum-sealed. said is constituted by side portions thermal insulation material formed by vacuum heat insulating material having a heat seal end face which is the outer peripheral portion of the heat welded enveloping member, prior SL upper heat insulating material and / or said lower insulation material for The thickness of the portion in contact with the side surface heat insulating material is substantially the same as the thickness of the side surface heat insulating material, and the heat welded portion end surface is extended or bent so as not to contact the hot water storage tank. It is characterized by a vacuum break When mounting the timber in the hot water storage tank, the confirmation of the gap between the molded insulation and the vacuum heat insulating material is easy, reliable mounting operation, the result reliability of insulation performance can be improved.

また、熱溶着部端面が高温になることを防止することになるので、真空断熱材の真空度を保つことができ、断熱の信頼性を向上することができる。Moreover, since it will prevent that a heat weld part end surface becomes high temperature, the vacuum degree of a vacuum heat insulating material can be maintained and the reliability of heat insulation can be improved.

第２の発明は、上部断熱材および／または下部断熱材の略同一厚み部の上下方向の長さを、真空断熱材の熱溶着部端面の上下方向の長さよりも長くしたことを特徴とするもので、熱溶着部端面を上部断熱材または下部断熱材の略同一厚み部に伸ばすことができるので、上部断熱材または下部断熱材と側面部断熱材との接触部の隙間が少なくなるため、この隙間からの熱の漏洩を少なくすることができる。 A second invention is the feature that the upper part heat insulating material and / or substantially vertical length of the same thickness of the lower heat insulating material, and longer than the vertical length of the heat welded portion end surface of the vacuum heat insulating material Because the end face of the heat welded part can be extended to approximately the same thickness part of the upper heat insulating material or the lower heat insulating material, the gap between the contact portions between the upper heat insulating material or the lower heat insulating material and the side surface heat insulating material is reduced. The leakage of heat from this gap can be reduced.

第３の発明は、真空断熱材の熱溶着部端面を、上部断熱材および／または下部断熱材の略同一厚み部に、粘着テープで固定したことを特徴とするもので、上部断熱材または下部断熱材と側面部断熱材との接触部の隙間がなくなるため、貯湯タンクからの対流による熱損失を防ぐことができる。   The third invention is characterized in that the heat welded portion end face of the vacuum heat insulating material is fixed to the substantially same thickness portion of the upper heat insulating material and / or the lower heat insulating material with an adhesive tape. Since there is no gap between the contact portions of the heat insulating material and the side surface heat insulating material, heat loss due to convection from the hot water storage tank can be prevented.

第４の発明は、真空断熱材の熱溶着部端面の上下方向の長さよりも幅の広い断熱材で、前記熱溶着部端面を断熱する構成としたことを特徴とするもので、熱溶着部端面が周囲の空気と直接接することを防ぐため、熱溶着部端面からの放熱ロスを少なくすることができる。   The fourth invention is a heat insulating material having a width wider than the length in the vertical direction of the end surface of the heat-welded portion of the vacuum heat insulating material, and is configured to insulate the end surface of the heat-welded portion. In order to prevent the end face from coming into direct contact with the surrounding air, heat dissipation loss from the end face of the heat welded portion can be reduced.

第５の発明は、側面部断熱材は上下方向に複数の真空断熱材に分割され、前記上方側および／または下方側の真空断熱材の熱溶着部端面を反真空断熱材方向に伸ばし、他方側の熱溶着部端面を真空断熱材方向の反貯湯タンク側に折り曲げたことを特徴とするもので、分割した真空断熱材の形状の仕様をすべて同じにすることができるため、貯湯タンクに断熱材を組込む作業時間の短縮化と作業の信頼性向上とが可能となる。 A fifth invention is the side surface portion heat insulating material is divided into a plurality of the vacuum heat insulating material in the vertical direction, stretching the upper side and / or the heat seal end face of the lower side of the vacuum heat insulating material in the counter-vacuum heat insulator direction, while This is characterized in that the end face of the heat-welded part on the side is bent to the anti-hot water storage tank side in the direction of the vacuum heat insulating material, and because the specifications of the shape of the divided vacuum heat insulating material can all be the same, the hot water storage tank is insulated. It is possible to shorten the work time for incorporating the material and improve the reliability of the work.

第６の発明は、複数の真空断熱材の上方の熱溶着部端面および下方側の熱溶着部端面を、それぞれ同じ方向に伸ばすか、又は、曲げたことを特徴とするもので、分割した真空断
熱材の形状の仕様をすべて同じで、かつ、同じ方向で貯湯タンクに真空断熱材を組込むことにできるため、貯湯タンクに断熱材を組込む作業時間の短縮化と作業の信頼性向上とが可能となる。 The sixth invention is characterized in that the upper heat weld portion end face and the lower heat weld portion end face of the plurality of vacuum heat insulating materials are respectively extended or bent in the same direction, and divided vacuum Since the heat insulation material specifications are all the same and the vacuum insulation material can be incorporated into the hot water storage tank in the same direction, the work time for incorporating the heat insulation material into the hot water storage tank can be shortened and the work reliability can be improved. It becomes.

第７の発明は、真空断熱材の伸ばした熱溶着部端面と前記熱溶着部端面と接する真空断熱材とを、粘着テープで固定したことを特徴とするもので、接触しあう真空断熱材と真空断熱材の熱溶着部端面が周囲の空気と直接接することを防ぐため、熱溶着部端面からの放熱ロスを少なくすることができる。   7th invention is characterized by fixing the heat insulation part end surface which the vacuum heat insulation material extended, and the vacuum heat insulation material which touches the heat welding part end surface with the adhesive tape, and the vacuum heat insulation material which contacts, In order to prevent the heat welding part end surface of a vacuum heat insulating material from contacting directly with the surrounding air, the heat loss from a heat welding part end surface can be reduced.

第８の発明は、真空断熱材の熱溶着部端面を、断熱材で断熱する構成としたことを特徴とするもので、接触しあう真空断熱材と真空断熱材の熱溶着部端面が周囲の空気と直接接することを防ぐため、熱溶着部端面からの放熱ロスを少なくすることができる。 The eighth invention is characterized in that the heat welded portion end face of the vacuum heat insulating material is insulated with the heat insulating material, and the heat welded portion end face of the vacuum heat insulating material and the vacuum heat insulating material which are in contact with each other is surrounded. In order to prevent direct contact with air, heat dissipation loss from the end face of the heat welded portion can be reduced .

第９の発明は、第１〜第８のいずれかの発明の貯湯タンクユニットを用いたヒートポンプ給湯機で、貯湯タンクからの放熱ロスを低減させて高断熱の貯湯タンクユニットを備えたヒートポンプ給湯機を提供できる。 A ninth invention is a heat pump water heater using the hot water storage tank unit according to any one of the first to eighth inventions, wherein the heat pump water heater is provided with a highly insulated hot water storage tank unit by reducing heat loss from the hot water storage tank. Can provide.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

（実施の形態１）
図１は、本発明の第１の実施の形態における貯湯タンクユニットを使用する貯湯式給湯装置の構成図を示すものである。 (Embodiment 1)
FIG. 1 shows a configuration diagram of a hot water storage type hot water supply apparatus using a hot water storage tank unit in the first embodiment of the present invention.

図１において、加熱手段１は、貯湯タンク２に貯留された水を高温に加熱する加熱熱源で有り、混合弁３は、給水配管１４に接続された給水管路５から供給される給水と、貯湯タンク２上部に接続された給湯上部管路４から供給される湯を、リモコン（図示せず）等で設定された温度の給湯水となるように、給水と湯を混合するものである。設定温度となった給湯水は、給湯管路６、給湯管路６に接続する給湯配管１５を順に経由して、給湯端末１６へ供給される。   In FIG. 1, the heating means 1 is a heating heat source that heats the water stored in the hot water storage tank 2 to a high temperature, and the mixing valve 3 includes feed water supplied from a feed water pipe 5 connected to a feed water pipe 14, and The hot water supplied from the hot water supply upper pipe line 4 connected to the upper part of the hot water storage tank 2 is mixed with the hot water and hot water so that it becomes hot water having a temperature set by a remote controller (not shown) or the like. The hot water at the set temperature is supplied to the hot water supply terminal 16 via the hot water supply pipe 6 and the hot water supply pipe 15 connected to the hot water supply pipe 6 in order.

図５の従来の貯湯タンクユニットを使用した貯湯式給湯装置の構成と同様に、貯湯タンク２に給水配管１４から供給されて貯留されている給水は、入水管路７の水ポンプ９により、入水配管１２を介して加熱手段１へ搬送される。加熱手段１によって加熱されて高温となった湯は、加熱手段１に接続される出湯配管１３と、出湯配管１３に接続して貯湯タンク２上部へ湯を導く出湯管路８によって、貯湯タンク２の上部から貯留する。このとき、貯湯タンク２の内部では、上部に高温の湯水、下部では低温の水が積層状態に蓄えられている。貯湯タンク２、混合弁３、給湯上部管路４、給水管路５、給湯管路６、入水管路７、出湯管路８、水ポンプ９などは、天面部の外装体１０ａ、側面部の外装体１０ｂ、底面部の外装体１０ｃによって包囲されることにより、貯湯タンクユニットとして形成される。   As in the configuration of the hot water storage type hot water supply apparatus using the conventional hot water storage tank unit of FIG. 5, the water supplied to the hot water storage tank 2 from the water supply pipe 14 is stored by the water pump 9 of the water inlet line 7. It is conveyed to the heating means 1 through the pipe 12. The hot water heated to the high temperature by the heating means 1 is connected to the hot water storage tank 2 by the hot water supply pipe 13 connected to the heating means 1 and the hot water supply pipe 8 connected to the hot water supply pipe 13 to guide the hot water to the upper part of the hot water storage tank 2. Store from above. At this time, in the hot water storage tank 2, hot hot water is stored in the upper portion and low temperature water is stored in a stacked state in the lower portion. The hot water storage tank 2, the mixing valve 3, the hot water supply upper pipe 4, the water supply pipe 5, the hot water supply pipe 6, the incoming water pipe 7, the hot water outlet pipe 8, the water pump 9, etc. It is formed as a hot water storage tank unit by being surrounded by the exterior body 10b and the exterior body 10c at the bottom.

ここで、貯湯タンク２の外面には、断熱材１１ａ、１１ｂ、１１ｃを備えている。すなわち、貯湯タンク２の上部の断熱材として成型断熱材からなる上部断熱材１１ａ、貯湯タンク２の側面部の断熱材として真空断熱材からなる側面部断熱材１１ｂ、貯湯タンク２の下部の断熱材として成型断熱材からなる下部断熱材１１ｃである。   Here, the outer surface of the hot water storage tank 2 is provided with heat insulating materials 11a, 11b, and 11c. That is, the upper heat insulating material 11a made of molded heat insulating material as the heat insulating material at the upper part of the hot water storage tank 2, the side surface heat insulating material 11b made of the vacuum heat insulating material as the heat insulating material of the side surface of the hot water storage tank 2, and the heat insulating material at the lower part of the hot water storage tank 2. As a lower heat insulating material 11c made of a molded heat insulating material.

なお、この成型断熱材の材質は、例えば、発泡ポリプロピレン、発泡ポリスチレン等の発泡樹脂などが用いられる。また、同図中のＡは、成型断熱材からなる上部断熱材１１ａ、下部断熱材１１ｃと真空断熱材からなる側面部断熱材１１ｂとが接触する部分である。
そして、上部断熱材１１ａ、下部断熱材１１ｃが、側面部断熱材１１ｂと接触する部分の厚みをほぼ側面部断熱材１１ｂの厚みと同一とした略同一厚み部１８を設けている。 In addition, as a material of this molded heat insulating material, for example, a foamed resin such as foamed polypropylene or foamed polystyrene is used. Moreover, A in the figure is a part where the upper side heat insulating material 11a made of a molded heat insulating material, the lower heat insulating material 11c, and the side surface heat insulating material 11b made of a vacuum heat insulating material come into contact.
And the upper heat insulating material 11a and the lower heat insulating material 11c are provided with the substantially same thickness part 18 which made the thickness of the part which contacts the side part heat insulating material 11b substantially the same as the thickness of the side surface heat insulating material 11b.

図２は、本発明の実施の形態１で用いる一般的な真空断熱材の断面図である。コア材２０を外被材２１に入れて、内部を真空状態にして、外被材２１の外周部である熱溶着部端面２２を熱溶着した構成となっている。   FIG. 2 is a cross-sectional view of a general vacuum heat insulating material used in Embodiment 1 of the present invention. The core material 20 is put in the jacket material 21, the inside is evacuated, and the heat-welded end face 22, which is the outer peripheral portion of the jacket material 21, is thermally welded.

また、図３は、図１のＢの部分の拡大図である。図に示すように、側面部断熱材１１ｂである真空断熱材は、コア材２０、外被材２１、外被材２１の外周部である熱溶着部端面２２からなっている。そして、上部断熱材１１ａの端面であって側面部断熱材１１ｂの厚みと略同一の厚みの略同一厚み部１８と、側面部断熱材１１ｂの端面とがＡの部分で接している。   FIG. 3 is an enlarged view of a portion B in FIG. As shown in the drawing, the vacuum heat insulating material that is the side surface heat insulating material 11 b includes a core material 20, an outer covering material 21, and a heat welding portion end face 22 that is an outer peripheral portion of the outer covering material 21. Then, the end surface of the upper heat insulating material 11a, which is substantially the same thickness as the side surface heat insulating material 11b, and the end surface of the side surface heat insulating material 11b are in contact with each other at the portion A.

また、この略同一厚み部１８の上下方向の長さは、前記熱溶着部端面２２の上下方向の長さよりも長く設定されている。そして、熱溶着部端面２２は、貯湯タンク２とは反対側の上部断熱材１１ａの略同一厚み部１８の表面と接している。さらに、粘着テープ２３で、前記熱溶着部端面２２を上部断熱材１１ａの表面に密着固定する構成となっている。また、熱溶着部端面２２の表面は、熱溶着部端面断熱材２４で覆われている。   Further, the length in the vertical direction of the substantially identical thickness portion 18 is set to be longer than the length in the vertical direction of the heat weld portion end face 22. And the heat welding part end surface 22 is in contact with the surface of the substantially identical thickness part 18 of the upper heat insulating material 11a on the opposite side to the hot water storage tank 2. Further, the heat-welded end face 22 is tightly fixed to the surface of the upper heat insulating material 11a with an adhesive tape 23. Moreover, the surface of the heat weld part end surface 22 is covered with the heat weld part end surface heat insulating material 24.

以下に、本実施の形態による貯湯タンクユニットの動作、作用を説明する。   Below, operation | movement and an effect | action of the hot water storage tank unit by this Embodiment are demonstrated.

側面部断熱材１１ｂである真空断熱材を貯湯タンク２に設置する場合、側面部断熱材１１ｂと上部断熱材１１ａとの隙間がないことが理想である。側面部断熱材１１ｂと上部断熱材１１ａとの厚みが略同一である略同一厚み部１８を設けているので、側面部断熱材１１ｂと上部断熱材１１ａとの密着度合いを容易に確認して作業できる。   When installing the vacuum heat insulating material which is the side surface heat insulating material 11b in the hot water storage tank 2, it is ideal that there is no gap between the side surface heat insulating material 11b and the upper heat insulating material 11a. Since the side surface heat insulating material 11b and the upper heat insulating material 11a have substantially the same thickness portion 18, the work is performed by easily confirming the degree of adhesion between the side surface heat insulating material 11b and the upper heat insulating material 11a. it can.

このように、側面部断熱材１１ｂと上部断熱材１１ａとの密着度合いを容易に確認して作業できるため、側面部断熱材１１ｂと上部断熱材１１ａとの隙間を少なくすることができる。   Thus, since it can work by confirming the close_contact | adherence degree of the side surface heat insulating material 11b and the upper heat insulating material 11a easily, the clearance gap between the side surface heat insulating material 11b and the upper heat insulating material 11a can be decreased.

また、前記略同一厚み部１８の上下方向の長さは、前記熱溶着部端面２２の上下方向の長さよりも長く設定されていので、側面部断熱材１１ｂである真空断熱材の熱溶着部端面２２をコア材２０とは反対方向に完全に伸ばすことができる。そして、熱溶着部端面２２と上部断熱材１１ａと十分に密着させることができるため、貯湯タンク２からの放熱を少なくすることができる。   Moreover, since the length of the substantially equal thickness portion 18 in the vertical direction is set to be longer than the vertical length of the heat weld portion end surface 22, the heat weld portion end surface of the vacuum heat insulating material that is the side surface heat insulating material 11b. 22 can be fully extended in the opposite direction to the core material 20. And since heat welding part end surface 22 and upper heat insulating material 11a can fully be stuck, heat dissipation from hot water storage tank 2 can be decreased.

さらに、前記略同一厚み部１８の上下方向の長さは、前記熱溶着部端面２２の上下方向の長さよりも長く設定されていので、側面部断熱材１１ｂである真空断熱材の熱溶着部端面２２をコア材２０とは反対方向である上部断熱材１１ａの略同一厚み部１８側に完全に伸ばしても前記略同一厚み部１８には、前記熱溶着部端面２２に接しない領域ができる。そして、この領域を利用して、粘着テープ２３で、前記熱溶着部端面２２を上部断熱材１１ａの表面に密着固定できるため、貯湯タンク２からの対流による放熱をなくすことができる。   Furthermore, since the length in the vertical direction of the substantially identical thickness portion 18 is set to be longer than the length in the vertical direction of the heat weld portion end surface 22, the heat weld portion end surface of the vacuum heat insulating material that is the side surface heat insulating material 11b. Even when 22 is completely extended to the substantially identical thickness portion 18 side of the upper heat insulating material 11a which is opposite to the core material 20, the substantially identical thickness portion 18 has a region that does not contact the end face 22 of the heat welding portion. And since the said heat welding part end surface 22 can be closely_contact | adhered and fixed to the surface of the upper heat insulating material 11a with the adhesive tape 23 using this area | region, the heat radiation by the convection from the hot water storage tank 2 can be eliminated.

また、熱溶着部端面２２の表面は、熱溶着部端面断熱材２４で覆われているので、コア部２０の外被材２１表面よりも比較して温度の高い熱溶着部端面２２からの放熱を少なくすることができる。   Moreover, since the surface of the heat welding part end surface 22 is covered with the heat welding part end surface heat insulating material 24, the heat radiation from the heat welding part end surface 22 whose temperature is higher than that of the outer cover material 21 surface of the core part 20 is achieved. Can be reduced.

なお、上記説明では、側面部断熱材１１ｂと上部断熱材１１ａとの作用、効果について説明したが、側面部断熱材１１ｂと下部断熱材１１ｃとの関係においても同様の作用、効
果を得られるので、説明は省略する。 In addition, in the said description, although the effect | action and effect of the side part heat insulating material 11b and the upper heat insulating material 11a were demonstrated, since the same effect | action and effect can be acquired also in the relationship between the side surface heat insulating material 11b and the lower heat insulating material 11c. The description is omitted.

（実施の形態２）
図４は、本発明の第２の実施の形態における貯湯タンクユニットの貯湯タンクの断面図を示す。図４において、側面部断熱材１１ｂを上下方向に２つに分割し、それぞれ１１ｂ１、１１ｂ２としている。 (Embodiment 2)
FIG. 4 shows a cross-sectional view of the hot water storage tank of the hot water storage tank unit in the second embodiment of the present invention. In FIG. 4, the side surface heat insulating material 11b is divided into two in the vertical direction, which are 11b1 and 11b2, respectively.

そして、これらの分割した側面部断熱材１１ｂ１、１１ｂ２の上方側の熱溶着部端面２２はコア材２０とは反対方向に伸ばし、他方側の熱溶着部端面２２はコア材２０の方向でかつ貯湯タンク２とは反対側に折り曲げた構成としている。そして、上方に位置する側面部断熱材１１ｂ１と上部断熱材１１ａとの接触部の構成は図３の場合と同様であるので、説明は省略する。   And the thermal welding part end surface 22 of the upper side of these divided | segmented side surface part heat insulating materials 11b1 and 11b2 is extended in the opposite direction to the core material 20, and the other side thermal welding part end surface 22 is the direction of the core material 20, and hot water storage. The tank 2 is bent to the opposite side. And since the structure of the contact part of the side part heat insulating material 11b1 located above and the upper heat insulating material 11a is the same as that of the case of FIG. 3, description is abbreviate | omitted.

また、下部断熱材１１ｃの略同一厚み部１８と下方に位置する側面部断熱材１１ｂ２とは、粘着テープ２３で固定され、さらに、前記折り曲げられた熱溶着部端面２２は、この粘着テープの上から、熱溶着部端面断熱材２４で断熱された構成としている。   Further, the substantially equal thickness portion 18 of the lower heat insulating material 11c and the side surface heat insulating material 11b2 positioned below are fixed with an adhesive tape 23, and the bent end face 22 of the welded portion is an upper surface of the adhesive tape. Therefore, it is configured to be thermally insulated by the heat welding portion end face heat insulating material 24.

また、上方に位置する側面部断熱材１１ｂ１と下方に位置する側面部断熱材１１ｂ２の接触部において、下方に位置する側面部断熱材１１ｂ２の上方側の熱溶着部端面２２は、コア材２０とは反対方向に伸ばし粘着テープ２３によって、上方に位置する側面部断熱材１１ｂ１に固定されている。さらに、前記伸ばした熱溶着部端面２２は、この粘着テープ２３の上から、熱溶着部端面断熱材２４で断熱された構成としている。   Moreover, in the contact part of the side part heat insulating material 11b1 located above and the side part heat insulating material 11b2 located below, the heat welding part end surface 22 of the upper side of the side part heat insulating material 11b2 located below is the core material 20 Is fixed to the upper side heat insulating material 11b1 by an adhesive tape 23 that extends in the opposite direction. Further, the stretched end portion 22 of the heat welded portion is insulated from the adhesive tape 23 by the heat welded portion end surface heat insulating material 24.

以下に、本実施の形態による貯湯式給湯装置の動作、作用を説明する。   Below, operation | movement and an effect | action of the hot water storage type hot-water supply apparatus by this Embodiment are demonstrated.

下部断熱材１１ｃの略同一厚み部１８と下方に位置する側面部断熱材１１ｂ２とは、粘着テープ２３で固定されているので、貯湯タンク２からの対流による放熱を防ぐことができる。   Since substantially the same thickness portion 18 of the lower heat insulating material 11c and the side surface heat insulating material 11b2 positioned below are fixed by the adhesive tape 23, heat radiation due to convection from the hot water storage tank 2 can be prevented.

また、上方に位置する側面部断熱材１１ｂ１と下方に位置する側面部断熱材１１ｂ２の接触部において、下方に位置する側面部断熱材１１ｂ２の熱溶着部端面２２は、コア材２０とは反対方向に伸ばし粘着テープ２３によって、上方に位置する側面部断熱材１１ｂ１に固定されているので、上下の側面部断熱材１１ｂ１、１１ｂ２の接触部における貯湯タンク２からの対流による放熱を防ぐことができる。   Moreover, in the contact part of the side part heat insulating material 11b1 located above and the side part heat insulating material 11b2 located below, the heat welding part end surface 22 of the side part heat insulating material 11b2 located below is opposite to the core material 20 Since it is fixed to the upper side heat insulating material 11b1 by the stretched adhesive tape 23, it is possible to prevent heat dissipation due to convection from the hot water storage tank 2 at the contact portion between the upper and lower side heat insulating materials 11b1 and 11b2.

さらに、熱溶着部端面２２は、熱溶着部端面断熱材２４で断熱された構成としているので、コア部の外被材表面よりも比較して温度の高い熱溶着部端面２２からの放熱を少なくすることができる。   Furthermore, since the heat welding part end surface 22 is heat-insulated with the heat welding part end surface heat insulating material 24, heat radiation from the heat welding part end surface 22 having a higher temperature than the outer cover material surface of the core part is reduced. can do.

また、上下の側面部断熱材１１ｂ１、１１ｂ２のそれぞれの熱溶着部端面２２の伸ばす方向と曲げる方向が同じであるので、上下の側面部断熱材１１ｂ１、１１ｂ２を貯湯タンク２に取り付ける場合、取り付ける作業者が上下を間違えることがなく、取り付けの信頼性が向上するとともに、上下の側面部断熱材１１ｂ１、１１ｂ２とも同じ仕様とすることができるので、部品としての管理が少なくなり、コスト削減にもなる。   Moreover, since the extending direction and the bending direction of the respective heat welded portion end faces 22 of the upper and lower side surface heat insulating materials 11b1 and 11b2 are the same, when the upper and lower side surface heat insulating materials 11b1 and 11b2 are attached to the hot water storage tank 2, they are attached. The user can make the right and left without mistakes, the mounting reliability is improved, and the upper and lower side surface heat insulating materials 11b1 and 11b2 can have the same specifications, so the management as a part is reduced and the cost is also reduced. .

なお、上記説明の図４では、側面部断熱材を上下に２分割としたが、３分割以上としてもよい。この場合の作用、効果も同じであるので、説明は省略する。   In addition, in FIG. 4 of the said description, although the side part heat insulating material was divided into 2 up and down, it is good also as 3 or more divisions. Since the operation and effect in this case are the same, the description thereof is omitted.

さらに、図４では、側面部断熱材１１ｂ１、１１ｂ２の上方側の熱溶着部端面２２はコア材２０とは反対方向に伸ばし、他方側の熱溶着部端面２２はコア材２０の方向でかつ貯
湯タンク２とは反対側に折り曲げた構成としているが、側面部断熱材１１ｂ１、１１ｂ２の下方側の熱溶着部端面２２はコア材２０とは反対方向に伸ばし、他方側の熱溶着部端面２２はコア材２０の方向でかつ貯湯タンク２とは反対側に折り曲げた構成としても、図４と同様の作用、効果が得られるので、説明は省略する。 Further, in FIG. 4, the heat welded portion end surface 22 on the upper side of the side surface heat insulating materials 11 b 1 and 11 b 2 extends in the direction opposite to the core material 20, and the other heat welded portion end surface 22 is in the direction of the core material 20. Although it is set as the structure bent to the opposite side to the tank 2, the thermal welding part end surface 22 of the downward side of the side part heat insulating materials 11b1 and 11b2 is extended in the opposite direction to the core material 20, and the thermal welding part end surface 22 of the other side is Even if the structure is bent in the direction of the core material 20 and on the side opposite to the hot water storage tank 2, the same operation and effect as in FIG.

なお、上記説明した実施の形態１、２とも、真空断熱材の熱溶着部端面２２を伸ばす場合も曲げる場合も、前記熱溶着部端面２２が温度の高い貯湯タンク２と接しないように、貯湯タンク２とは反対側に伸ばすか曲げるかした構成としている。熱溶着部端面２２の温度が高くなると、密閉の効果が減少する可能性があり、このため、本実施の形態１、２では、熱溶着部端面の温度が高くなることを防止しているので、真空断熱材の真空度を保つことができ、断熱の信頼性を向上することができる。   In both of the first and second embodiments described above, the hot weld storage end face 22 is not in contact with the hot water storage tank 2, whether the thermal weld end face 22 of the vacuum heat insulating material is extended or bent. It is configured to extend or bend to the opposite side of the tank 2. When the temperature of the end face 22 of the heat welded portion increases, the sealing effect may be reduced. For this reason, in the first and second embodiments, the temperature of the end face of the heat welded portion is prevented from increasing. The vacuum degree of the vacuum heat insulating material can be maintained, and the reliability of heat insulation can be improved.

本発明にかかる貯湯タンクユニットは、放熱ロスの少ない、省スペースの貯湯タンクを提供することができ、電気温水器やヒートポンプ給湯機の貯湯タンクユニット等の用途に利用できる。   INDUSTRIAL APPLICABILITY The hot water storage tank unit according to the present invention can provide a space-saving hot water storage tank with little heat dissipation loss, and can be used for applications such as an electric water heater or a hot water storage tank unit of a heat pump water heater.

本発明の実施の形態１における貯湯タンクユニットを使用する貯湯式給湯装置の構成図The block diagram of the hot water storage type hot water supply apparatus which uses the hot water storage tank unit in Embodiment 1 of this invention 本発明の実施の形態１における真空断熱材の断面図Sectional drawing of the vacuum heat insulating material in Embodiment 1 of this invention 同貯湯タンクユニットの部分拡大図Partial enlarged view of the hot water storage tank unit 本発明の実施の形態２における貯湯タンクの断面図Sectional drawing of the hot water storage tank in Embodiment 2 of this invention 従来の貯湯タンクユニットを有する貯湯式給湯装置の構成図Configuration diagram of a hot water storage hot water supply device having a conventional hot water storage tank unit 従来の貯湯タンクの断面図Cross section of conventional hot water storage tank

符号の説明Explanation of symbols

２ 貯湯タンク
４ 給湯上部管路（配管）
７ 入水管路（配管）
８ 出湯管路（配管）
１０ａ 外装体
１０ｂ 外装体
１０ｃ 外装体
１１ａ 上部断熱材
１１ｂ 側面部断熱材
１１ｃ 下部断熱材
１４ 給水配管（配管）
１８ 略同一厚み部
２１ 外被材
２２ 熱溶着部端面 2 Hot water storage tank 4 Hot water supply upper pipe (pipe)
7 Inlet pipe (pipe)
8 Hot water pipeline (piping)
DESCRIPTION OF SYMBOLS 10a Exterior body 10b Exterior body 10c Exterior body 11a Upper heat insulating material 11b Side surface heat insulating material 11c Lower heat insulating material 14 Water supply piping (pipe)
18 Substantially the same thickness part 21 Outer material 22 Thermal weld end face

Claims (9)

複数の断熱材を有する貯湯タンクと、前記貯湯タンクに接続された複数の配管と、前記貯湯タンクを包囲する外装体とを備え、前記複数の断熱材は、前記貯湯タンクの上部に配設され成型断熱材で形成された上部断熱材、前記貯湯タンクの下部に配設され成型断熱材で形成された下部断熱材、前記貯湯タンクの側面部に配設され真空密閉するために熱溶着された外被材の外周部である熱溶着部端面を有する真空断熱材で形成された側面部断熱材で構成され、前記上部断熱材および／または前記下部断熱材の前記側面部断熱材と接触する部分の厚みを、前記側面部断熱材の厚みと略同一とするとともに、前記熱溶着部端面を、前記貯湯タンクに接しないように伸ばしたり曲げたりする構成としたことを特徴とする貯湯タンクユニット。 A hot water storage tank having a plurality of heat insulating materials, a plurality of pipes connected to the hot water storage tank, and an exterior body surrounding the hot water storage tank, wherein the plurality of heat insulating materials are disposed on an upper portion of the hot water storage tank. An upper heat insulating material formed of a molded heat insulating material, a lower heat insulating material formed at the lower part of the hot water storage tank and formed of a molded heat insulating material, and disposed on a side surface portion of the hot water storage tank and thermally welded for vacuum sealing. It consists of a side portion thermal insulation material formed by vacuum heat insulating material having a heat seal end face which is the outer peripheral portion of the enveloping member, contacts the front SL upper heat insulating material and / or the side surface portions heat insulating material of the lower heat insulating member The hot water storage tank is characterized in that the thickness of the portion to be made is substantially the same as the thickness of the side surface heat insulating material, and the end surface of the heat welded portion is extended or bent so as not to contact the hot water storage tank. unit. 上部断熱材および／または下部断熱材の略同一厚み部の上下方向の長さを、真空断熱材の熱溶着部端面の上下方向の長さよりも長くしたことを特徴とする請求項１に記載の貯湯タンクユニット。 Wherein the substantially vertical length of the same thickness of the upper cross-sectional heated material and / or the lower heat insulating material, to claim 1, characterized in that it has longer than the vertical length of the heat welded portion end surface of the vacuum heat insulating material Hot water storage tank unit. 真空断熱材の熱溶着部端面を、上部断熱材および／または下部断熱材の略同一厚み部に、粘着テープで固定したことを特徴とする請求項２に記載の貯湯タンクユニット。 The hot water storage tank unit according to claim 2, wherein an end surface of the heat-welded portion of the vacuum heat insulating material is fixed to substantially the same thickness portion of the upper heat insulating material and / or the lower heat insulating material with an adhesive tape. 真空断熱材の熱溶着部端面の上下方向の長さよりも幅の広い断熱材で、前記熱溶着部端面を断熱する構成としたことを特徴とする請求項２または３に記載の貯湯タンクユニット。 The hot water storage tank unit according to claim 2 or 3, wherein the heat welding portion end face is insulated by a heat insulating material having a width wider than the vertical length of the heat welding portion end face of the vacuum heat insulating material. 側面部断熱材は、上下方向に複数の真空断熱材に分割され、前記上方側および／または下方側の真空断熱材の熱溶着部端面を反真空断熱材方向に伸ばし、他方側の熱溶着部端面を真空断熱材方向の反貯湯タンク側に折り曲げたことを特徴とする請求項１〜４のいずれか１項に記載の貯湯タンクユニット。 The side surface heat insulating material is divided into a plurality of vacuum heat insulating materials in the vertical direction , and extends the end surface of the heat welding portion of the upper and / or lower vacuum heat insulating material in the anti-vacuum heat insulating material direction, and the other side heat welding portion. The hot water storage tank unit according to any one of claims 1 to 4, wherein the end face is bent toward the side opposite to the hot water storage tank in the direction of the vacuum heat insulating material. 複数の真空断熱材の上方の熱溶着部端面および下方側の熱溶着部端面を、それぞれ同じ方向に伸ばすか、又は、曲げたことを特徴とする請求項５に記載の貯湯タンクユニット。 6. The hot water storage tank unit according to claim 5, wherein an upper end face of the heat welding portion and a lower end face of the heat welding portion of the plurality of vacuum heat insulating materials are each extended or bent in the same direction. 真空断熱材の伸ばした熱溶着部端面と前記熱溶着部端面と接する真空断熱材とを、粘着テ
ープで固定したことを特徴とする請求項５または６に記載の貯湯タンクユニット。 The hot water storage tank unit according to claim 5 or 6, wherein an end face of the heat-welded portion extended by the vacuum heat-insulating material and a vacuum heat-insulating material in contact with the end face of the heat-welded portion are fixed with an adhesive tape. 真空断熱材の熱溶着部端面を、断熱材で断熱する構成としたことを特徴とする請求項５または６に記載の貯湯タンクユニット。 The hot water storage tank unit according to claim 5 or 6, wherein an end face of the heat-welded portion of the vacuum heat insulating material is insulated with a heat insulating material. 請求項１〜８のいずれか１項に記載の貯湯タンクユニットを用いたヒートポンプ給湯機。 The heat pump water heater using the hot water storage tank unit of any one of Claims 1-8.
JP2008077332A 2008-03-25 2008-03-25 Hot water storage tank unit and heat pump water heater using the same Active JP4254902B1 (en)

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Cited By (3)

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JP2011102622A (en) * 2009-11-11 2011-05-26 Mitsubishi Electric Corp Insulating container
JP2012247080A (en) * 2011-05-25 2012-12-13 Corona Corp Insulating material structure of hot water storage tank
JP2015218932A (en) * 2014-05-15 2015-12-07 株式会社コロナ Heat insulation structure of hot water storage tank

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JP6047080B2 (en) * 2013-09-06 2016-12-21 株式会社コロナ Thermal insulation structure of hot water storage tank
JP6047081B2 (en) * 2013-09-06 2016-12-21 株式会社コロナ Thermal insulation structure of hot water storage tank
CN103629819A (en) * 2013-12-09 2014-03-12 镇江市博林光电科技有限公司 Hot-and-cold water heat-preserving isolated plunger piston
JP6332123B2 (en) * 2015-04-16 2018-05-30 三菱電機株式会社 Hot water storage water heater

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Publication number Priority date Publication date Assignee Title
JP2011102622A (en) * 2009-11-11 2011-05-26 Mitsubishi Electric Corp Insulating container
JP2012247080A (en) * 2011-05-25 2012-12-13 Corona Corp Insulating material structure of hot water storage tank
JP2015218932A (en) * 2014-05-15 2015-12-07 株式会社コロナ Heat insulation structure of hot water storage tank

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