JP4966587B2 - Heated hot water combined heating system - Google Patents

Heated hot water combined heating system Download PDF

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JP4966587B2
JP4966587B2 JP2006149864A JP2006149864A JP4966587B2 JP 4966587 B2 JP4966587 B2 JP 4966587B2 JP 2006149864 A JP2006149864 A JP 2006149864A JP 2006149864 A JP2006149864 A JP 2006149864A JP 4966587 B2 JP4966587 B2 JP 4966587B2
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hot water
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heating
heating device
room
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大介 朝桐
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Sekisui Chemical Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Description

夜間電力によって蓄熱を行う住宅用の蓄熱暖房システムに関する。   The present invention relates to a residential heat storage and heating system that stores heat by using nighttime electric power.

従来から、ヒートポンプ装置と貯湯タンクとを有し、貯湯タンクに貯えられた水を、ヒートポンプ装置と貯湯タンクとの間で循環させて、ヒートポンプ装置によって外気の熱を取り入れて、貯湯タンク内の水を加熱すると共に、貯湯タンク内に湯を貯えておいて、建物の床下空間内に配索された循環パイプに、循環ポンプでもって湯を循環させることによって、床暖房を可能にする床下調温装置が知られている（特許文献１等参照）。   Conventionally, it has a heat pump device and a hot water storage tank, the water stored in the hot water storage tank is circulated between the heat pump device and the hot water storage tank, and the heat in the outside air is taken in by the heat pump device, so that the water in the hot water storage tank is Underfloor temperature adjustment that enables floor heating by storing hot water in a hot water storage tank and circulating the hot water with a circulation pump through a circulation pipe routed in the underfloor space of the building An apparatus is known (see Patent Document 1).

また、固体の蓄熱体と電気ヒータとを有し、電気ヒータによって発せられた熱でもって、蓄熱体を加熱して、蓄熱体に一旦蓄熱した熱を室内空間に放熱すると共に、室温に応じて電気ヒータに供給する電力を制御し、蓄熱体に蓄熱する熱量を調整して室温を制御する蓄熱暖房装置が知られている（特許文献２等参照）。
特開２００１−２５４９６５号公報 特開２００３−２６２３４７号公報 Moreover, it has a solid heat storage body and an electric heater, heats the heat storage body with heat generated by the electric heater, radiates the heat once stored in the heat storage body to the indoor space, and according to the room temperature 2. Description of the Related Art A heat storage and heating device that controls electric power supplied to an electric heater and controls the room temperature by adjusting the amount of heat stored in the heat storage body is known (see Patent Document 2, etc.).
JP 2001-254965 A JP 2003-262347 A

しかしながら、床下調温装置では、電力料金が安い夜間電力によって水を加熱して蓄熱し、この熱によって昼間の暖房を賄おうとすると、例えば、７０ｍ2程度の床面積を有する住宅の暖房を賄う場合には、水の比熱などを考慮すると、少なくとも２０００リットル以上の容量の貯湯タンクが必要となり、この貯湯タンクのために広いスペースを確保せねばならないという問題があった。 However, in the under-floor temperature control device, when water is heated and stored by night electricity with a low electricity rate, and this heat is used to cover daytime heating, for example, the heating of a house having a floor area of about 70 m 2 is provided. In consideration of the specific heat of water, a hot water storage tank having a capacity of at least 2000 liters is required, and a large space must be secured for this hot water storage tank.

また、もし貯湯タンクの容量が実用的な容量である５００リットル程度のものを用いたのでは、昼間の暖房を賄うには不十分であった。   Further, if a hot water storage tank having a practical capacity of about 500 liters was used, it was insufficient to cover daytime heating.

そして、蓄熱暖房装置では、この蓄熱暖房装置に用いられている蓄熱体の熱容量が一般的な金属などに比べて非常に大きいので、温度が変化するのに時間が掛かかり、蓄熱体の放熱量を室温の変化に応じて微妙に制御するのは困難であった。   And in the heat storage and heating device, since the heat capacity of the heat storage body used in this heat storage and heating device is very large compared to general metals etc., it takes time to change the temperature, and the heat dissipation amount of the heat storage body It was difficult to finely control the temperature according to changes in room temperature.

特に、使用料金の安い夜間電力を用いて蓄熱体に蓄熱し、この蓄熱された熱でもって昼間の暖房を賄う場合には、夜間に蓄熱された熱を昼間に一方的に放熱して用いることになり、放熱量を制御するのは、なおさら困難である。   In particular, when heat is stored in a heat accumulator using nighttime electricity with a low charge, and the stored heat is used to cover daytime heating, the heat stored at night is unilaterally dissipated during the day. Therefore, it is even more difficult to control the heat radiation amount.

そこで本発明では、広いスペースを必要とせず、放熱量を微妙に制御することが可能なだけでなく、省エネルギー且つ低ランニングコストな蓄熱温水併用暖房システムを提供することを目的にしている。   In view of the above, the present invention has an object to provide a combined heating system with stored heat and hot water that does not require a wide space and can not only finely control the amount of heat release but also save energy and low running costs.

上記目的を達成するために請求項１に記載された発明は、電力を用いて夜間に電熱ヒーターによって蓄熱体を加熱して該蓄熱体に熱を蓄熱し、蓄熱された前記蓄熱体の熱を昼間に室内に放熱して、前記室内の暖房に用いる床下空間内の蓄熱式暖房装置を有すると共に、深夜電力を利用し、ヒートポンプを用いて得る温水を貯留する貯湯槽と、該貯湯槽に貯留された前記温水を建物内に循環させる前記床下空間内に配設された温水循環手段と、該温水循環手段によって循環される前記温水が有する熱を前記建物内に放熱するための前記室内の放熱装置とが設けられた温水式暖房装置を有し、前記室内を目標とする温度になるまで暖房するために、主として前記蓄熱式暖房装置による暖房を行い、室温が前記目標とする温度より低い時には、前記温水式暖房装置を併用し、前記温水循環手段により前記温水を前記建物内に循環させることによって前記室内を昇温し、室温と前記目標とする温度との温度差分の昇温を前記温水式暖房装置によって賄う蓄熱温水併用暖房システムを特徴としている。 In order to achieve the above object, the invention described in claim 1 is characterized in that the heat storage body is heated by an electric heater at night using electric power to store heat in the heat storage body, and the heat of the stored heat storage body is stored. A hot water tank that radiates heat indoors in the daytime and has a regenerative heating device in the underfloor space used for heating the room, stores hot water obtained using a heat pump using midnight power, and stores in the hot water tank A hot water circulating means disposed in the under-floor space for circulating the hot water in the building, and heat dissipation in the room for radiating the heat of the hot water circulated by the hot water circulating means into the building. When the room temperature is lower than the target temperature, heating is mainly performed by the regenerative heating device in order to heat the room until the target temperature is reached. The above In combination with a water heating device, the warm water circulation means circulates the warm water in the building to raise the temperature of the room, and the temperature difference between the room temperature and the target temperature is raised. It features a heat storage hot water combined heating system that is covered by equipment.

このように構成された本発明の請求項１のものは、室内を目標とする温度になるまで暖房するために、主として蓄熱式暖房装置による暖房を行い、室温が目標とする温度より低い時には、温水式暖房装置を併用し、温水循環手段により温水を建物内に循環させることによって室内を昇温し、室温と目標とする温度との温度差分の昇温を温水式暖房装置によって賄うので、
蓄熱式暖房装置だけを用いることによって、蓄熱体が過加熱になって暖房が強くなり過ぎたり、逆に暖房が強くなり過ぎないように蓄熱体の加熱を弱くし過ぎて、暖房が弱くなり過ぎたりしてしまうことがなく、
しかも、温水循環手段により温水を建物内に循環させ、循環させる温水の単位時間当たりの流量を変えることによって、室温の微妙な調整が可能になり安定な室温を維持できる。 In the first aspect of the present invention configured as described above, in order to heat the room until the target temperature is reached, heating is mainly performed by the regenerative heating device, and when the room temperature is lower than the target temperature, Since the hot water heating device is used together, the hot water circulation means circulates the hot water in the building to raise the temperature in the room, and the hot water heating device covers the temperature difference between the room temperature and the target temperature.
By using only the regenerative heating device, the regenerator is overheated and the heating becomes too strong, or conversely the heating of the regenerator is too weak so that the heating is not too strong, and the heating becomes too weak. And never
In addition, by circulating the hot water in the building by the hot water circulation means and changing the flow rate per unit time of the hot water to be circulated, the room temperature can be finely adjusted and a stable room temperature can be maintained.

また、夜間においても蓄熱式暖房装置の蓄熱体を加熱する際の熱によって、建物内の空気が暖められるので、無駄なエネルギー消費がなく、省エネルギー性が高い。   Moreover, since the air in a building is warmed with the heat at the time of heating the heat storage body of a heat storage type heating apparatus at night, there is no useless energy consumption and energy saving property is high.

更に、昼間の暖房を温水式暖房装置だけを用いて行う場合に比べて、温水式暖房装置と蓄熱式暖房装置とを併用して用いて行うと、暖房に必要な熱量の一部を蓄熱式暖房装置が賄うので、温水式暖房装置が負担すべき放熱量が少なくて済み、結果として、温水式暖房装置の貯湯タンクの容量を小さくすることができる。   Furthermore, compared to the case where daytime heating is performed using only the hot water heating device, when the hot water heating device and the regenerative heating device are used in combination, a part of the amount of heat necessary for heating is stored in the regenerative type. Since the heating device covers it, the amount of heat released by the hot water heating device can be reduced, and as a result, the capacity of the hot water storage tank of the hot water heating device can be reduced.

また、昼間の暖房を蓄熱式暖房装置だけを用いて行う場合に比べて、温水式暖房装置と蓄熱式暖房装置とを併用して用いて行うと、暖房に必要な熱量の一部を温水式暖房装置が賄うので、蓄熱式暖房装置が負担すべき放熱量が少なくて済み、結果として、蓄熱式暖房装置の蓄熱体を過加熱してしまうおそれがなくなり、安全に暖房を行うことができる。   Compared to the case where daytime heating is performed using only a regenerative heating device, when a hot water heating device and a regenerative heating device are used in combination, a part of the amount of heat required for heating is heated. Since the heating device covers it, the amount of heat released by the regenerative heating device can be reduced. As a result, there is no possibility of overheating the heat storage body of the regenerative heating device, and heating can be performed safely.

そして、温水の加熱に、電熱線やセラミックヒーターなどを用いた電熱ヒーターに比べて熱効率が高いヒートポンプを用いているので、安いランニングコストでもって暖房を行うことができる。 Then, the heating of hot water, so compared like electric heater using a heating wire or a ceramic heater thermal efficiency is used a high heat pump can perform heating with at a low running cost.

また、深夜電力を利用して蓄熱を行うことができるので、深夜の安い電力料金でもって蓄熱を行うことができ、この熱を利用して昼間の暖房を行うので、一層安いランニングコストでもって昼間の暖房を行うことができる。 In addition, it is possible to perform heat storage using the deep night power, it is possible to carry out the thermal storage with at cheaper electricity rates in the middle of the night, since the daytime heating by utilizing this heat, and with a more low operating cost Daytime heating can be performed.

更に、放熱装置が室内に設けられているので、室内の空気を直接的に効率よく昇温できる。 Furthermore, since the heat device release is provided in the chamber can be directly and efficiently raise the temperature of the indoor air.

以下、本発明に係る実施の形態の実施例に基づいて本発明を説明する。   Hereinafter, the present invention will be described based on examples of embodiments according to the present invention.

〈全体の構成〉
図１は本実施例の蓄熱温水併用暖房システムが設置された建物の１階部分を上方から見た上面図であり、図２は図１のＡ−Ａ断面図であって、実施例の蓄熱温水併用暖房システムが設置された建物の１階部分を側方から見た側面図である。 <Overall configuration>
FIG. 1 is a top view of a first floor portion of a building where the combined heat storage hot water heating system of this embodiment is viewed from above, and FIG. 2 is a cross-sectional view taken along the line AA of FIG. It is the side view which looked at the 1st floor part of the building where the warm water combined heating system was installed from the side.

図１において、１は本実施例の蓄熱温水併用暖房システムが設置された建物であり、２は玄関ホール、３はリビングダイニング、４は和室、５は洗面室である。   In FIG. 1, 1 is a building in which the combined heat storage hot water heating system of this embodiment is installed, 2 is an entrance hall, 3 is a living dining room, 4 is a Japanese-style room, and 5 is a washroom.

本実施例の建物１は、次世代省エネ基準に適合した断熱性能を有しており、基礎に断熱施工が施されており、総床面積が７０ｍ2程度の住宅であるとする。 It is assumed that the building 1 of this embodiment has a heat insulation performance that conforms to the next generation energy saving standard, the foundation is heat-insulated, and has a total floor area of about 70 m 2 .

図２に示すように、建物１の床下には床下空間１ａが設けられており、図１に示すように、玄関ホール２の床下と、リビングダイニング３の床下と、和室４の床下とには、それぞれ蓄熱式暖房装置６が設置されている。   As shown in FIG. 2, an underfloor space 1 a is provided under the floor of the building 1. As shown in FIG. 1, the underfloor of the entrance hall 2, the underfloor of the living dining room 3, and the underfloor of the Japanese room 4 are provided. In each case, a regenerative heating device 6 is installed.

建物１には、温水暖房システムＳが設置されており、温水暖房システムＳは、放熱部としてのヒーターパネル７を有している。   The building 1 is provided with a hot water heating system S, and the hot water heating system S includes a heater panel 7 as a heat radiating unit.

ヒーターパネル７は、それぞれリビングダイニング３と、和室４と、洗面室５とに設置されている。   The heater panels 7 are installed in the living dining room 3, the Japanese-style room 4, and the washroom 5, respectively.

〈蓄熱式暖房装置６の構成〉
蓄熱式暖房装置６は、電熱ヒーター６ａと、蓄熱体６ｂとによって構成されており、電熱ヒーター６ａによって発せられた熱でもって、煉瓦などの蓄熱体６ｂを、例えば６００℃位の高温になるまで加熱することによって、加熱を停止した後にも蓄熱体６ｂに蓄熱された熱が放出し続け、この放出された熱が床下空間１ａ内の空気を加熱し、この空気を介して１階の各部屋の床が暖められ、各部屋が床暖房によって暖房されるようになっている。 <Configuration of heat storage type heating device 6>
The regenerative heating device 6 is composed of an electric heater 6a and a heat accumulator 6b, and the heat accumulator 6b such as brick is heated to a high temperature of about 600 ° C., for example, with the heat generated by the electric heater 6a. By heating, the heat stored in the heat storage body 6b continues to be released even after the heating is stopped, and the released heat heats the air in the underfloor space 1a, and each room on the first floor via this air The floor is heated and each room is heated by floor heating.

本実施例の蓄熱式暖房装置６は、出力が２ｋＷ程度のものを用いている。   The regenerative heating device 6 of the present embodiment uses an output of about 2 kW.

蓄熱式暖房装置６では、電熱ヒーター６ａへの供給電力を制御することによって、電熱ヒーター６ａによる蓄熱体６ｂの加熱温度、及び、蓄熱量を調整することが可能であるが、電熱ヒーター６ａによる加熱温度を変化させてから蓄熱体６ｂの温度が加熱温度に達するまでには相当の時間を要する。   In the regenerative heating device 6, it is possible to adjust the heating temperature and the amount of heat stored in the heat storage body 6b by the electric heater 6a by controlling the power supplied to the electric heater 6a, but the heating by the electric heater 6a It takes a considerable time for the temperature of the heat storage body 6b to reach the heating temperature after the temperature is changed.

〈温水暖房システムＳの構成〉
温水暖房システムＳは、主にヒーターパネル７と、貯湯ユニット８と、ヒートポンプユニット９と、循環配管１０とによって構成されており、建物１の屋外には、貯湯ユニット８と、ヒートポンプユニット９とが設置されている。 <Configuration of hot water heating system S>
The hot water heating system S is mainly composed of a heater panel 7, a hot water storage unit 8, a heat pump unit 9, and a circulation pipe 10. A hot water storage unit 8 and a heat pump unit 9 are provided outside the building 1. is set up.

貯湯ユニット８には、保温性を有する貯湯タンク８ａと、循環ポンプ８ｂとが設けられている。   The hot water storage unit 8 is provided with a hot water storage tank 8a having heat retention and a circulation pump 8b.

温水暖房システムＳでは、稼働時には、貯湯タンク８ａに貯留された水を貯湯ユニット８とヒートポンプユニット９との間でもって循環させている。   In the hot water heating system S, during operation, the water stored in the hot water storage tank 8 a is circulated between the hot water storage unit 8 and the heat pump unit 9.

ヒートポンプユニット９によって外気から熱を吸収し、吸収された熱でもって循環している水を加熱し、加熱して得られた温水を貯湯タンク８ａに戻し、再び、貯湯タンク８ａ内の温水をヒートポンプユニット９に循環させて加熱を繰り返す。   The heat pump unit 9 absorbs heat from the outside air, heats the circulating water with the absorbed heat, returns the heated hot water to the hot water storage tank 8a, and again heats the hot water in the hot water storage tank 8a to the heat pump. Circulate through unit 9 and repeat heating.

このように、湯を涌かすと同時に、貯湯タンク８ａ内に一定量の湯を確保するようになっている。   In this way, a certain amount of hot water is secured in the hot water storage tank 8a simultaneously with pouring hot water.

そして、リビングダイニング３などに設けられた操作パネル（図示省略）を操作することによって目標の室温が設定されると、室温が目標の室温に満たないときには、循環ポンプ８ｂが駆動して、貯湯タンク８ａ内に貯えられた湯を循環配管１０を介してヒーターパネル７に送り、ヒーターパネル７でもって熱が放熱されて、室内の空気が昇温されるようになっている。   Then, when the target room temperature is set by operating an operation panel (not shown) provided in the living dining room 3 or the like, when the room temperature does not reach the target room temperature, the circulation pump 8b is driven and the hot water storage tank The hot water stored in 8a is sent to the heater panel 7 through the circulation pipe 10, heat is radiated by the heater panel 7, and the indoor air is heated.

また、ヒートポンプユニット９による外気からの吸熱量を制御することによって、貯湯タンク８ａ内に貯えられた湯の温度を設定することが可能になっており、更に、循環ポンプ８ｂによって送出される単位時間当たりの湯量を調節することによって、微妙な室温制御が可能になっている。   Further, by controlling the amount of heat absorbed from the outside air by the heat pump unit 9, it is possible to set the temperature of the hot water stored in the hot water storage tank 8a, and further, the unit time sent by the circulation pump 8b By adjusting the amount of hot water per minute, subtle room temperature control is possible.

本実施例の貯湯タンク８ａは、５００リットル程度のものを用いており、ヒートポンプユニット９は、出力が６ｋＷ程度のものを用いている。   The hot water storage tank 8a of the present embodiment uses about 500 liters, and the heat pump unit 9 uses about 6 kW of output.

〈蓄熱温水併用暖房システムの使用方法〉
例えば、夜１１時から朝７時までの間の電力料金の安価な時間帯に蓄熱式暖房装置６を稼動すると、電熱ヒーター６ａによって生じる熱でもって蓄熱体６ｂが加熱されて、加熱された蓄熱体６ｂから熱が放出される。 <How to use the heating system with heat storage and hot water>
For example, when the regenerative heating device 6 is operated during an inexpensive time period from 11:00 to 7:00 in the evening, the regenerator 6b is heated with heat generated by the electric heater 6a, and the regenerated heat storage Heat is released from the body 6b.

夜間には、放出された熱でもって床下空間１ａの空気が暖められ、床下空間１ａの空気を介して床全体が暖められて、１階の各部屋の床暖房が行われる。   At night, the air in the underfloor space 1a is warmed with the released heat, and the entire floor is warmed through the air in the underfloor space 1a, thereby heating the floors of the rooms on the first floor.

そして、例えば、朝７時に蓄熱式暖房装置６を停止して、電熱ヒーター６ａへの電力の供給を絶つと、蓄熱体６ｂへの加熱が停止されるが、蓄熱体６ｂの熱容量は、例えば、一般的な金属などに比べて極めて大きいため、しばらくの間熱を放出し続け、床下空間１ａの空気が暖められ、昼間においても１階の各部屋の床暖房が続けられる。   And, for example, when the regenerative heating device 6 is stopped at 7:00 in the morning and the supply of electric power to the electric heater 6a is stopped, heating to the regenerator 6b is stopped, but the heat capacity of the regenerator 6b is, for example, Since it is extremely large compared with general metals, heat is continuously released for a while, the air in the underfloor space 1a is warmed, and the floor heating of each room on the first floor is continued even in the daytime.

しかしながら、蓄熱体６ｂの放熱量には限度が有るので、蓄熱式暖房装置６だけでは、寒冷時に室温が目標とする温度より下がってしまうことがある。   However, since there is a limit to the amount of heat released from the heat storage body 6b, the room temperature may be lower than the target temperature when the heat storage type heating device 6 alone is cold.

そこで、朝７時に蓄熱式暖房装置６を停止すると共に、温水暖房システムＳの操作パネル（図示省略）を操作して、温水暖房システムＳの設定温度を目標とする温度に設定しておく。   Therefore, the regenerative heating device 6 is stopped at 7 am and the operation panel (not shown) of the hot water heating system S is operated to set the set temperature of the hot water heating system S to a target temperature.

このように温水暖房システムＳを設定しておくと、蓄熱式暖房装置６の放熱量だけでは不十分になって、室温が目標とする温度より下がった時に、自動的に循環ポンプ８ｂが駆動して、貯湯タンク８ａ内に貯えられた湯を循環配管１０を介してヒーターパネル７に送り、ヒーターパネル７でもって熱が放熱されて、室内の空気が昇温される。   If the hot water heating system S is set in this way, the amount of heat released from the regenerative heating device 6 is insufficient, and when the room temperature falls below the target temperature, the circulation pump 8b is automatically driven. Then, the hot water stored in the hot water storage tank 8a is sent to the heater panel 7 through the circulation pipe 10, and heat is radiated by the heater panel 7 so that the indoor air is heated.

なお、本実施例では、温水暖房システムＳを設定することにより、夜１１時から朝７時までの間の電力料金の安価な夜間時間帯にヒートポンプユニット９を稼動して、貯湯タンク８ａ内の水を涌かしておくものとする。   In the present embodiment, by setting the hot water heating system S, the heat pump unit 9 is operated during an inexpensive night time zone from 11:00 to 7:00 in the morning, and the hot water storage tank 8a Water shall be stored.

〈蓄熱温水併用暖房システムの作用効果〉
室内を目標とする温度になるまで暖房するために、主として蓄熱式暖房装置６による暖房を行い、室温が目標とする温度より低い時には、温水式暖房装置Ｓを併用し、循環ポンプ８ｂにより温水を建物１内に循環させることによって室内を昇温し、室温と目標とする温度との温度差分の昇温を温水式暖房装置Ｓによって賄うので、
蓄熱式暖房装置６だけを用いることによって、蓄熱体６ｂが過加熱になって暖房が強くなり過ぎたり、逆に暖房が強くなり過ぎないように蓄熱体６ｂの加熱を弱くし過ぎて、暖房が弱くなり過ぎたりしてしまうことがなく、
しかも、循環ポンプ８ｂにより温水を建物１内に循環させ、循環させる温水の単位時間当たりの流量を変えることによって、室温の微妙な調整が可能になり安定な室温を維持できる。 <Effects of heating system with heat storage and hot water>
In order to heat the room to the target temperature, heating is mainly performed by the regenerative heating device 6, and when the room temperature is lower than the target temperature, the hot water heating device S is used together, and hot water is supplied by the circulation pump 8b. Since the room temperature is raised by circulating in the building 1 and the temperature difference between the room temperature and the target temperature is raised by the hot water heating device S,
By using only the regenerative heating device 6, the regenerator 6b is overheated and the heating becomes too strong, or conversely, the heating of the regenerator 6b is too weak so that the heating is not too strong. Without being too weak,
In addition, by circulating the hot water in the building 1 with the circulation pump 8b and changing the flow rate per unit time of the hot water to be circulated, the room temperature can be finely adjusted and a stable room temperature can be maintained.

また、夜間においても蓄熱式暖房装置６の蓄熱体６ｂを加熱する際の熱によって、建物１内の空気が暖められるので、無駄なエネルギー消費がなく、省エネルギー性が高い。   Moreover, since the air in the building 1 is warmed by heat when the heat storage body 6b of the heat storage type heating device 6 is heated even at night, there is no wasteful energy consumption and high energy saving performance.

更に、昼間の暖房を温水式暖房装置Ｓだけを用いて行う場合に比べて、温水式暖房装置Ｓと蓄熱式暖房装置６とを併用して用いて行うと、暖房に必要な熱量の一部を蓄熱式暖房装置６が賄うので、温水式暖房装置Ｓが負担すべき放熱量が少なくて済み、結果として、温水式暖房装置Ｓの貯湯タンクの容量を小さくすることができる。   Furthermore, compared with the case where daytime heating is performed using only the hot water heating device S, when the hot water heating device S and the regenerative heating device 6 are used in combination, a part of the amount of heat necessary for heating is used. Therefore, the amount of heat radiation that the hot water heating device S should bear is small, and as a result, the capacity of the hot water storage tank of the hot water heating device S can be reduced.

また、昼間の暖房を蓄熱式暖房装置６だけを用いて行う場合に比べて、温水式暖房装置Ｓと蓄熱式暖房装置６とを併用して用いて行うと、暖房に必要な熱量の一部を温水式暖房装置Ｓが賄うので、蓄熱式暖房装置６が負担すべき放熱量が少なくて済み、結果として、蓄熱式暖房装置６の蓄熱体６ｂを過加熱してしまうおそれがなくなり、安全に暖房を行うことができる。   In addition, compared with the case where daytime heating is performed using only the regenerative heating device 6, when the hot water heating device S and the regenerative heating device 6 are used in combination, a part of the amount of heat necessary for heating is used. Since the hot water heating device S covers this, the heat radiation amount to be borne by the regenerative heating device 6 can be reduced, and as a result, there is no risk of overheating the heat storage body 6b of the regenerative heating device 6 and it is safe. Heating can be performed.

そして、温水の加熱に、電熱線やセラミックヒーターなどを用いた電熱ヒーターに比べて熱効率が高いヒートポンプユニット９を用いているので、安いランニングコストでもって暖房を行うことができる。   And since the heat pump unit 9 with high thermal efficiency compared with the electric heater using a heating wire, a ceramic heater, etc. is used for heating warm water, heating can be performed at a low running cost.

また、深夜電力を利用して蓄熱を行うことができるので、深夜の安い電力料金でもって蓄熱を行うことができ、この熱を利用して昼間の暖房を行うので、一層安いランニングコストでもって昼間の暖房を行うことができる。   In addition, since heat can be stored using late-night electricity, heat can be stored using low-cost electricity charges at midnight, and daytime heating is performed using this heat, so daytime can be carried out at a lower running cost. Can be heated.

更に、ヒーターパネル７が室内に設けられているので、室内の空気を直接的に効率よく昇温できる。   Furthermore, since the heater panel 7 is provided in the room, the temperature of the room air can be directly and efficiently increased.

以上、本発明を実施例に基づき詳述してきたが、この具体的な構成に限らず、本発明の趣旨を逸脱しない程度の設計的変更は本発明の技術的範囲に含まれる。   As described above, the present invention has been described in detail based on the embodiments. However, the present invention is not limited to this specific configuration, and design changes that do not depart from the spirit of the present invention are included in the technical scope of the present invention.

なお、本実施例の蓄熱温水併用暖房システムでは、温水の加熱をヒートポンプユニット９によって行っているが、必ずしもヒートポンプを利用した加熱でなくてもよい。   In addition, in the heat storage warm water combined heating system of a present Example, although heating of warm water is performed by the heat pump unit 9, it does not necessarily need to be the heating using a heat pump.

例えば、太陽熱を用いて加熱してもよいし、地熱などを利用するものであってもよい。   For example, heating may be performed using solar heat, or geothermal heat may be used.

本実施例の蓄熱温水併用暖房システムが設置された建物の１階部分を上方から見た上面図である。It is the upper side figure which looked at the 1st floor part of the building where the heating system with heat storage warm water of this example was installed from the upper part. 図１のＡ−Ａ断面図であり、本実施例の蓄熱温水併用暖房システムが設置された建物の１階部分を側方から見た側面図である。It is AA sectional drawing of FIG. 1, and is the side view which looked at the 1st-floor part of the building in which the heat storage combined hot water heating system of the present Example was installed from the side.

符号の説明Explanation of symbols

１ 建物
３ リビングダイニング（室内）
４ 和室（室内）
５ 洗面室（室内）
６ 蓄熱式暖房装置
６ｂ 蓄熱体
７ ヒーターパネル（放熱装置）
８ａ 貯湯タンク（貯湯槽）
８ｂ 循環ポンプ（温水循環手段）
９ａ ヒートポンプユニット（ヒートポンプ）
１０ 循環配管（温水循環手段）
Ｓ 温水暖房システム（温水式暖房装置）
1 Building 3 Living dining room (indoor)
4 Japanese-style room (indoor)
5 Washroom (indoor)
6 Heat storage type heating device 6b Heat storage body 7 Heater panel (heat dissipation device)
8a Hot water storage tank (hot water tank)
8b Circulation pump (warm water circulation means)
9a Heat pump unit (heat pump)
10 Circulation piping (warm water circulation means)
S Hot water heating system (hot water heating system)

Claims (1)

電力を用いて夜間に電熱ヒーターによって蓄熱体を加熱して該蓄熱体に熱を蓄熱し、蓄熱された前記蓄熱体の熱を昼間に室内に放熱して、前記室内の暖房に用いる床下空間内の蓄熱式暖房装置を有すると共に、
深夜電力を利用し、ヒートポンプを用いて得る温水を貯留する貯湯槽と、該貯湯槽に貯留された前記温水を建物内に循環させる前記床下空間内に配設された温水循環手段と、該温水循環手段によって循環される前記温水が有する熱を前記建物内に放熱するための前記室内の放熱装置とが設けられた温水式暖房装置を有し、
前記室内を目標とする温度になるまで暖房するために、主として前記蓄熱式暖房装置による暖房を行い、室温が前記目標とする温度より低い時には、前記温水式暖房装置を併用し、前記温水循環手段により前記温水を前記建物内に循環させることによって前記室内を昇温し、室温と前記目標とする温度との温度差分の昇温を前記温水式暖房装置によって賄うことを特徴とする蓄熱温水併用暖房システム。 In the underfloor space used for heating the room by heating the heat storage body by using an electric heater at night by using electric power to store heat in the heat storage body, and radiating the heat of the stored heat storage body into the room during the daytime . With a regenerative heating system
A hot water storage tank that stores hot water obtained using a heat pump using midnight power, hot water circulation means disposed in the underfloor space for circulating the hot water stored in the hot water storage tank, and the hot water A hot water heating device provided with a heat radiating device in the room for radiating the heat of the hot water circulated by the circulation means into the building;
In order to heat the room to a target temperature, heating is mainly performed by the regenerative heating device, and when the room temperature is lower than the target temperature, the hot water heating device is used together, and the hot water circulation means Heating the indoors by circulating the hot water in the building, and using the hot water heating device to raise the temperature difference between the room temperature and the target temperature. system.
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