JP4924054B2 - Heat pump water heater - Google Patents

Heat pump water heater Download PDF

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Publication number
JP4924054B2
JP4924054B2 JP2007012301A JP2007012301A JP4924054B2 JP 4924054 B2 JP4924054 B2 JP 4924054B2 JP 2007012301 A JP2007012301 A JP 2007012301A JP 2007012301 A JP2007012301 A JP 2007012301A JP 4924054 B2 JP4924054 B2 JP 4924054B2
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hot water
heat insulating
insulating material
storage tank
water storage
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JP2008180407A (en
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恵子 大藪
敏克 福永
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Description

本発明は、ヒートポンプ式給湯機に係り、特に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 pump type water heater, and more particularly to a heat insulation structure of a hot water storage tank.

従来からヒートポンプ式給湯機は、貯湯タンク（もしくは補助タンク）に高温の湯を貯えるとともに、その貯えた湯を給湯端末に供給することで給湯機能を実現している。しかしながら貯湯タンクに高温の湯を貯えると同時に、貯湯タンク内の高温の湯からは外部に対して放熱するため、湯切れ防止や機器としての運転効率を向上するために貯湯タンクに発泡成形断熱材や真空断熱材、シート状断熱材を捲回し、貯湯タンクからの放熱を防止し、貯湯タンク内の湯の温度の低下を防止していた（例えば、特許文献１参照）。
特開２００５−２２６９６５号公報 2. Description of the Related Art Conventionally, a heat pump type hot water heater has a hot water supply function by storing hot water in a hot water storage tank (or auxiliary tank) and supplying the stored hot water to a hot water supply terminal. However, hot water is stored in the hot water storage tank and at the same time, the hot water in the hot water storage tank dissipates heat to the outside. In addition, a heat insulating material such as a vacuum heat insulating material or a sheet heat insulating material is wound to prevent heat dissipation from the hot water storage tank, thereby preventing a decrease in the temperature of the hot water in the hot water storage tank (see, for example, Patent Document 1).
JP 2005-226965 A

しかしながら、貯湯タンクの全面に亘って真空断熱材やシート状断熱材を採用した場合、貯湯タンクの天部や底部を形成する箇所は一般的には三次元的曲面を形成しているため、装着が困難であった。さらに、貯湯タンクの温度を検出するための温度検出手段のシート状断熱材への装着は困難であった。   However, when vacuum insulation or sheet-like insulation is used over the entire surface of the hot water tank, the top and bottom of the hot water tank generally form a three-dimensional curved surface. It was difficult. Furthermore, it has been difficult to attach the temperature detecting means for detecting the temperature of the hot water storage tank to the sheet-like heat insulating material.

また、貯湯タンクの全面に亘って発泡成形断熱材を採用した場合には、断熱性能を確保するためには厚みが、シート状断熱材や真空断熱材に比較して厚くなってしまい、ひいてはヒートポンプ式給湯機の大型化を招いてしまうという課題を有していた。   In addition, when foam molded heat insulating material is used over the entire surface of the hot water storage tank, the thickness becomes thicker than sheet heat insulating material or vacuum heat insulating material in order to ensure heat insulating performance. There was a problem that the hot water heater would increase in size.

本発明は、従来の課題を解決するもので、断熱性能を損なうことのないコンパクトな貯湯タンクを有するヒートポンプ式給湯機を提供することを目的とする。   An object of the present invention is to solve the conventional problems and to provide a heat pump type hot water heater having a compact hot water storage tank that does not impair the heat insulation performance.

前記従来の課題を解決するために、本発明のヒートポンプ式給湯機は、湯水を貯える貯湯タンクを備え、前記貯湯タンクの天部と底部を発泡成形断熱材で被い、前記貯湯タンクの胴部の一部に前記天部から前記底部に渡って発泡成形断熱材を配設し、前記貯湯タンクの発泡成形断熱材で被われている箇所以外に真空断熱材を捲回するとともに、前記胴部の一部に配設した発泡成形断熱材の複数個所に前記貯湯タンクの温度を検出する温度検出手段を備えたことを特徴とするものである。   In order to solve the above-described conventional problems, the heat pump type hot water heater of the present invention includes a hot water storage tank for storing hot water, and covers the top and bottom of the hot water tank with foam molded heat insulating material, and the body of the hot water storage tank. A foam molded heat insulating material is disposed on a part of the top from the top to the bottom, and the vacuum heat insulating material is wound in a portion other than the portion covered with the foam molded heat insulating material of the hot water storage tank, and the body portion Temperature detecting means for detecting the temperature of the hot water storage tank is provided at a plurality of locations of the foam molded heat insulating material disposed in a part of the hot water storage tank.

これによって、断熱性能を損なうことないコンパクトな貯湯タンクを構成することができるとともに、貯湯タンクの温度検出手段を発泡成形断熱材に配設するので、温度検出手段を固定しやすくなり、組み立て性能を向上することができる。   As a result, a compact hot water storage tank that does not impair the heat insulation performance can be configured, and the temperature detection means of the hot water storage tank is disposed in the foam molded heat insulating material, which makes it easy to fix the temperature detection means and improve the assembly performance. Can be improved.

本発明は、断熱性能を損なうことのないコンパクトな貯湯タンクを有するヒートポンプ式給湯機を提供することができる。   The present invention can provide a heat pump type water heater having a compact hot water storage tank that does not impair the heat insulation performance.

第１の発明のヒートポンプ式給湯機は、湯水を貯える貯湯タンクを備え、前記貯湯タンクの天部と底部を発泡成形断熱材で被い、前記貯湯タンクの胴部の一部に前記天部から前記底部に渡って発泡成形断熱材を配設し、前記貯湯タンクの発泡成形断熱材で被われてい
る箇所以外に真空断熱材を捲回するとともに、前記胴部の一部に配設した発泡成形断熱材の複数個所に前記貯湯タンクの温度を検出する温度検出手段を備えたことにより、断熱性能を損なうことないコンパクトな貯湯タンクを構成することができるとともに、貯湯タンクの温度検出手段を発泡成形断熱材に配設するので、温度検出手段を固定しやすくなり、組み立て性能を向上することができる。 A heat pump type water heater according to a first aspect of the present invention includes a hot water storage tank for storing hot water, covers the top and bottom of the hot water storage tank with foamed heat insulating material, and a part of the body of the hot water storage tank from the top to the top. A foam molded heat insulating material is disposed over the bottom portion, and the vacuum heat insulating material is wound in a portion other than the portion covered with the foam molded heat insulating material of the hot water storage tank, and the foam disposed in a part of the body portion. By providing temperature detection means for detecting the temperature of the hot water storage tank at a plurality of locations of the molded heat insulating material, a compact hot water storage tank that does not impair the heat insulation performance can be configured, and the temperature detection means for the hot water storage tank is foamed. Since it arrange | positions in a shaping | molding heat insulating material, it becomes easy to fix a temperature detection means, and an assembly performance can be improved.

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. Note that the present invention is not limited to the embodiments.

（実施の形態１）
図１は、本実施の形態における貯湯タンクの構成図、図２、図３は、本実施の形態における貯湯タンクの断熱材の構成図である。図１に示すように、本実施の形態における貯湯タンクは、天部１、底部２、胴部３で構成され、図２、図３に示すように天部１、底部２は発泡成形断熱材４、５で被われており、天部１と底部２とを上下につなぐように胴部３の一部に発泡成形断熱材８が配設されている。なお、本実施の形態においては、発泡成形断熱材４、５、８は発泡スチロールの成形品であり、天部１と底部２の形状に沿って成形されている。また、貯湯タンクを収納する略箱型形状の筐体に沿って、平面形状４ａ、５ａを有する。 (Embodiment 1)
FIG. 1 is a configuration diagram of a hot water storage tank in the present embodiment, and FIGS. 2 and 3 are configuration diagrams of a heat insulating material of the hot water storage tank in the present embodiment. As shown in FIG. 1, the hot water storage tank in the present embodiment is composed of a top part 1, a bottom part 2, and a body part 3. As shown in FIGS. 2 and 3, the top part 1 and the bottom part 2 are foam molded heat insulating materials. 4 and 5, and a foam molded heat insulating material 8 is disposed on a part of the body portion 3 so as to connect the top portion 1 and the bottom portion 2 up and down. In the present embodiment, the foam molded heat insulating materials 4, 5, 8 are molded products of polystyrene foam, and are molded along the shapes of the top portion 1 and the bottom portion 2. Moreover, it has planar shape 4a, 5a along the substantially box-shaped housing | casing which accommodates a hot water storage tank.

また、胴部３の周囲で、かつ、発泡成形断熱材８が配設されていない箇所には、真空断熱材６が捲回されている。なお本実施の形態における真空断熱材は、芯材にグラスウール、吸着剤に酸化カルシウム、外袋にアルミ・プラスチックラミネートフィルムを用い、既に公知の方法で製作される（例えば、特許文献１参照）。   Moreover, the vacuum heat insulating material 6 is wound around the trunk | drum 3 and the location where the foaming heat insulating material 8 is not arrange | positioned. The vacuum heat insulating material in the present embodiment is manufactured by a known method using glass wool as a core material, calcium oxide as an adsorbent, and an aluminum / plastic laminate film as an outer bag (see, for example, Patent Document 1).

次に、発泡成形断熱材８の構成について説明する。図４ａ、図４ｂは発泡成形断熱材８の水平面図および正面図であり、図５は図４ａのＡ部の拡大図である。   Next, the configuration of the foam molded heat insulating material 8 will be described. 4a and 4b are a horizontal plan view and a front view of the foam molded heat insulating material 8, and FIG. 5 is an enlarged view of a portion A in FIG. 4a.

図４ａ、図４ｂにおいて、発泡成形断熱材８には、センサーの線などを引き回すための溝８ａと、貯湯タンクの温度を検出する温度検出手段であるサーミスタ７を固定設置するための開口部８ｂを複数箇所に有している。なお開口部８ｂには開口蓋９が着脱可能となっており、発泡成形断熱材８と同様に発泡スチロールの成形品である。   4a and 4b, the foam molded heat insulating material 8 has a groove 8a for routing a sensor wire and the like, and an opening 8b for fixedly installing a thermistor 7 which is a temperature detecting means for detecting the temperature of the hot water storage tank. At multiple locations. In addition, the opening lid 9 can be attached to and detached from the opening portion 8b, and is a molded product of polystyrene foam like the foam molded heat insulating material 8.

開口部８ｂへのサーミスタ７の固定は、開口蓋９にサーミスタ７を保持させ、開口蓋９を開口部８ｂに装着して行う。本実施の形態においては、図５に示すように、サーミスタ７の一部７ｂを、開口蓋９の一部に切り欠き部９ａを形成し、サーミスタ７の一部である７ｂを切り欠き部９ａで保持する構成となっているが、サーミスタ７を保持する構成は本実施の形態の方法に限定されることなく、どのような方法を用いてもよい。また、サーミスタ７を固定する際には、サーミスタ７の感熱部を構成する７ａが貯湯タンクの胴部３に接触するように固定する。   The thermistor 7 is fixed to the opening 8b by holding the thermistor 7 on the opening lid 9 and mounting the opening lid 9 on the opening 8b. In this embodiment, as shown in FIG. 5, a portion 7b of the thermistor 7 is formed with a notch 9a in a portion of the opening lid 9, and a portion 7b of the thermistor 7 is notched 9a. However, the configuration for holding the thermistor 7 is not limited to the method of the present embodiment, and any method may be used. Moreover, when fixing the thermistor 7, it fixes so that 7a which comprises the heat sensitive part of the thermistor 7 may contact the trunk | drum 3 of a hot water storage tank.

以上のように、貯湯タンクの温度を検出する温度検出手段を、発泡成形断熱材に保持させることで、確実に固定することができるとともに、断熱構成を発泡成形断熱材と、真空断熱材とで構成することで、貯湯タンクをコンパクトに形成することができ、ひいてはコンパクトなヒートポンプ式給湯機を提供することができる。   As described above, the temperature detection means for detecting the temperature of the hot water storage tank can be securely fixed by holding the foam molded heat insulating material, and the heat insulating structure can be made of the foam molded heat insulating material and the vacuum heat insulating material. By comprising, a hot water storage tank can be formed compactly and by extension, a compact heat pump type hot water heater can be provided.

本発明は、ヒートポンプユニットとタンクユニットを分離したヒートポンプ式給湯機、ヒートポンプユニットとタンクユニットを一体的に形成したヒートポンプ式給湯機など、あらゆるヒートポンプ式給湯機に適用できるだけでなく、ヒートポンプ式給湯機のほかに、貯湯タンクを有する給湯機であれば適用することができる。   The present invention is applicable not only to heat pump water heaters such as a heat pump water heater in which a heat pump unit and a tank unit are separated, and a heat pump water heater in which the heat pump unit and the tank unit are integrally formed. Besides, any water heater having a hot water storage tank can be applied.

本発明の第１の実施の形態における貯湯タンクの構成図The block diagram of the hot water storage tank in the 1st Embodiment of this invention 同実施の形態における断熱材の構成図Configuration diagram of heat insulating material in the same embodiment 同実施の形態における断熱材の構成図Configuration diagram of heat insulating material in the same embodiment （ａ）同実施の形態における発泡成形断熱材の構成水平断面図、（ｂ）同正面図(A) Configuration horizontal sectional view of foam molded heat insulating material in the embodiment, (b) Front view of the same Ａ部拡大図Part A enlarged view

符号の説明Explanation of symbols

１ 天部
２ 底部
３ 胴部
４ 発泡成形断熱材
５ 発泡成形断熱材
６ 真空断熱材
７ サーミスタ
８ 発泡成形断熱材 DESCRIPTION OF SYMBOLS 1 Top part 2 Bottom part 3 Body part 4 Foam molding heat insulating material 5 Foam molding heat insulating material 6 Vacuum heat insulating material 7 Thermistor 8 Foam molding heat insulating material

Claims (1)

湯水を貯える貯湯タンクを備え、前記貯湯タンクの天部と底部を発泡成形断熱材で被い、前記貯湯タンクの胴部の一部に前記天部から前記底部に渡って発泡成形断熱材を配設し、前記貯湯タンクの発泡成形断熱材で被われている箇所以外に真空断熱材を捲回するとともに、前記胴部の一部に配設した発泡成形断熱材の複数個所に前記貯湯タンクの温度を検出する温度検出手段を備えたことを特徴とするヒートポンプ式給湯機。 A hot water storage tank for storing hot water is provided, and the top and bottom of the hot water storage tank are covered with foam molded heat insulating material, and the foam molded heat insulating material is disposed on a part of the body of the hot water tank from the top to the bottom. In addition to winding the vacuum heat insulating material at a location other than the portion covered with the foam molded heat insulating material of the hot water storage tank, the hot water storage tank is provided at a plurality of locations of the foam molded heat insulating material disposed at a part of the body portion. A heat pump type water heater comprising temperature detecting means for detecting temperature.
JP2007012301A 2007-01-23 2007-01-23 Heat pump water heater Active JP4924054B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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JP2016138675A (en) * 2015-01-26 2016-08-04 株式会社コロナ Hot water storage type water heater
JP2016138674A (en) * 2015-01-26 2016-08-04 株式会社コロナ Hot water storage type water heater

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JP5195773B2 (en) * 2010-01-19 2013-05-15 ダイキン工業株式会社 Hot water storage tank
JP5879097B2 (en) * 2011-10-31 2016-03-08 日立アプライアンス株式会社 Water heater
JP6077359B2 (en) * 2013-03-28 2017-02-08 株式会社コロナ Hot water storage water heater
JP6638532B2 (en) * 2016-04-11 2020-01-29 三菱電機株式会社 Hot water storage
US11149986B2 (en) * 2019-03-14 2021-10-19 Miclau-S.R.I. Inc. Method and system for securing temperature sensors on the outer surface of a tank of an electric water heater
AT523534B1 (en) * 2020-07-08 2021-09-15 Greiner Purtec Gmbh Encapsulation system and process for its production as well as plant equipped with it

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JPH0310161A (en) * 1989-06-08 1991-01-17 Hitachi Ltd System for instructing recheck
JP4186835B2 (en) * 2004-02-16 2008-11-26 松下電器産業株式会社 Hot water storage tank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016138675A (en) * 2015-01-26 2016-08-04 株式会社コロナ Hot water storage type water heater
JP2016138674A (en) * 2015-01-26 2016-08-04 株式会社コロナ Hot water storage type water heater

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