JP5249607B2 - Floor heating system - Google Patents

Floor heating system Download PDF

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JP5249607B2
JP5249607B2 JP2008058076A JP2008058076A JP5249607B2 JP 5249607 B2 JP5249607 B2 JP 5249607B2 JP 2008058076 A JP2008058076 A JP 2008058076A JP 2008058076 A JP2008058076 A JP 2008058076A JP 5249607 B2 JP5249607 B2 JP 5249607B2
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switching valve
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JP2009216264A (en
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要 鈴木
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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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

Description

本発明は、ソーラーパネルからの熱で基礎コンクリートを温める床暖房システムに関する。   The present invention relates to a floor heating system for heating foundation concrete with heat from a solar panel.

床暖房システムには、ソーラーパネルからの熱で基礎コンクリートを温め、基礎コンクリートの熱を室内に放熱して暖房するものが存在する（特許文献１）。   There is a floor heating system that heats basic concrete with heat from a solar panel and dissipates the heat of the basic concrete into the room to heat it (Patent Document 1).

ところが、ソーラーパネルから得られる熱エネルギーを直ぐに使用せずに、この熱エネルギーを蓄えておき、必要なときに取り出せるようにすることが望まれる。また、熱エネルギーを蓄える蓄熱器は、家屋の周囲に設置することもできるが、設置空間が必要となり、そのために、家屋の外観に影響を与えることや、所有地の広さから設置空間がない（物理的に設置できない）こともある。
特開平９−２８０６６５号公報（段落００１５） However, it is desirable to store this thermal energy so that it can be taken out when necessary, without immediately using the thermal energy obtained from the solar panel. In addition, a heat accumulator that stores thermal energy can be installed around the house, but it requires installation space, which affects the appearance of the house and there is no installation space due to the size of the property. (Cannot be physically installed).
JP-A-9-280665 (paragraph 0015)

本発明は上記実情を考慮したもので、その解決課題は太陽光の熱エネルギーを蓄えておき、必要なときに取り出すことができ、設置空間を問題としない床暖房システムを提供することである。   The present invention takes the above-mentioned circumstances into consideration, and a problem to be solved is to provide a floor heating system in which the thermal energy of sunlight can be stored and taken out when necessary, and the installation space is not a problem.

本発明は、床板の下に、べた基礎層を積層して配置すると共に、べた基礎層の下に断熱層、蓄熱層を順に配置し、熱源として太陽熱温水集熱パネルを屋外に設置し、太陽熱温水集熱パネルの内部からべた基礎層の内部に熱を伝達させる熱伝達経路を備えることによって、べた基礎層を放熱層として機能させる床暖房システムを前提とする。
The present invention is, under the floor, as well as arranged by laminating a mat foundation layer, a heat insulating layer under the mat foundation layer, sequentially place the heat storage layer, it established a solar water heat collection panel outdoors as a heat source, solar A floor heating system is provided on the assumption that the solid foundation layer functions as a heat dissipation layer by providing a heat transfer path for transferring heat from the inside of the hot water heat collecting panel to the inside of the solid foundation layer.

請求項1の発明は、熱伝達経路は、太陽熱温水集熱パネルの内部と蓄熱層の内部を温水が循環する蓄熱経路、並びに蓄熱層の内部とべた基礎層の内部を温水が循環する放熱経路を備えると共に、蓄熱経路と放熱経路の二つの経路を独立して形成し、蓄熱経路と放熱経路に循環用のポンプをそれぞれ接続し、蓄熱層は、断熱層の下に割ぐり層、熱交換層、地面を順に積層して配置し、熱交換層の内部を蓄熱経路の一部として構成してあることを特徴とする The invention according to claim 1 is characterized in that the heat transfer path is a heat storage path through which hot water circulates inside the solar hot water heat collection panel and the inside of the heat storage layer, and a heat dissipation path through which hot water circulates inside the heat storage layer and inside the solid base layer. the provided Rutotomoni, independently formed two paths of the heat storage path and the heat radiating path, a pump for circulating respectively connected to the heat radiation path and the heat storage path, the heat storage layer is Wariguri layer beneath the heat insulating layer, heat The exchange layer and the ground are sequentially stacked and arranged, and the inside of the heat exchange layer is configured as a part of the heat storage path.

また、請求項２の発明のように、熱伝達経路は、太陽熱温水集熱パネルの内部と蓄熱層の内部を温水が循環する蓄熱経路、並びに蓄熱層の内部とべた基礎層の内部を温水が循環する放熱経路を備えると共に、蓄熱経路と放熱経路の二経路が共用経路を介して接続された複合経路であり、蓄熱経路と放熱経路を切替可能なバルブユニットと循環用の共用ポンプを共用経路には接続してあり、蓄熱層は、断熱層の下に割ぐり層、熱交換層、地面を順に積層して配置し、熱交換層の内部を蓄熱経路の一部として構成してあっても良い。
In addition, as in the invention of claim 2, the heat transfer path includes a heat storage path through which hot water circulates inside the solar hot water heat collecting panel and the inside of the heat storage layer, and hot water inside the heat storage layer and the inside of the base layer. Rutotomoni comprising a heat dissipation path for circulating a composite path pathway is connected via a shared path of the heat storage path and the heat radiation path, share common pump for circulating the switchable valve unit the heat dissipation path and heat storage path The heat storage layer is arranged by laminating a split layer, a heat exchange layer, and the ground in order under the heat insulation layer, and the inside of the heat exchange layer is configured as a part of the heat storage path. and it may be.

さらに、太陽熱以外に補助熱源を利用する場合には、請求項３の発明のように、太陽熱温水集熱パネル以外の補助熱源と、補助熱源と放熱経路との間で熱交換する熱交換器を備えることが望ましい。
Further, when an auxiliary heat source is used in addition to solar heat, an auxiliary heat source other than the solar hot water heat collecting panel and a heat exchanger for exchanging heat between the auxiliary heat source and the heat radiation path are provided as in the invention of claim 3. It is desirable to provide.

本発明は、べた基礎層の下に配置された断熱層のさらに下に蓄熱層を設けてあるので、建物の周囲に設置空間を必要としない。また、温水を循環させることによって蓄熱層に太陽熱温水集熱パネルの熱を伝えるので、太陽光の熱エネルギーを蓄熱層に蓄えておくことができ、しかも蓄熱層の熱は断熱層によってべた基礎層には直に伝わらないようになっている。そして、蓄熱層の内部と放熱層の内部を温水が循環する放熱経路によって、蓄熱層に蓄熱された熱エネルギーを、必要なときに取り出すことができる。   Since the heat storage layer is provided further below the heat insulation layer arrange | positioned under the solid foundation layer, this invention does not require installation space around a building. In addition, by circulating the hot water, the heat of the solar hot water heat collection panel is transmitted to the heat storage layer, so that the heat energy of sunlight can be stored in the heat storage layer, and the heat of the heat storage layer is the base layer that is solid by the heat insulation layer. Is not transmitted directly. The heat energy stored in the heat storage layer can be taken out when necessary by the heat dissipation path through which the hot water circulates inside the heat storage layer and the heat dissipation layer.

しかも、本発明は、冬季でも外気より温かな地面を巧みに利用し、割ぐり層、熱交換層、地面を全体として蓄熱層とするので、蓄熱容量が大きくなる。また、請求項２の発明は、放熱経路と蓄熱経路を複合経路とし、共用ポンプを使用するので、放熱経路と蓄熱経路にそれぞれポンプを要するものに比べて、ポンプに要する費用が安価となる。
 Moreover, the present invention skillfully uses the ground warmer than the outside air even in winter, and the split layer, the heat exchange layer, and the ground as a heat storage layer as a whole increase the heat storage capacity. In the invention of claim 2 , since the heat dissipation path and the heat storage path are combined and a common pump is used, the cost required for the pump is lower than that which requires a pump for each of the heat dissipation path and the heat storage path.

請求項３の発明は、太陽熱温水集熱パネル以外の補助熱源の熱を、熱交換器で放熱経路に伝えることができるので、蓄熱層に蓄えられた熱だけでは不十分な場合にも、室内を暖められる。
 In the invention of claim 3 , since the heat of the auxiliary heat source other than the solar hot water heat collecting panel can be transmitted to the heat radiation path by the heat exchanger, the heat stored in the heat storage layer is not sufficient even if it is insufficient. Can be warmed.

床暖房システムに用いる家屋は、図１に示すように、家屋の床板１の下に、コンクリートからなるべた基礎層２、防水シート３、断熱材を充填させた断熱層４、および蓄熱層５を順に積層して配置してある。べた基礎層２は、熱を与えることによって放熱層となる。また、蓄熱層５は、断熱層４の下に、割ぐり石が敷き並べられた割ぐり層６、コンクリートからなる熱交換層７、地面８を順に配置した積層構造で、熱交換層７に熱を与えることによって全体が蓄熱層５となる。また、べた基礎層２の外周部分は、逆Ｔ字状に垂下しており、垂下部分が断熱層４、割ぐり層６、熱交換層７の周囲を覆って地面８に埋設される。また、べた基礎層２の周囲を断熱材９で覆うと共に、壁１０、屋根１１にも断熱材９を配置してある。   As shown in FIG. 1, a house used in the floor heating system has a solid base layer 2 made of concrete, a waterproof sheet 3, a heat insulating layer 4 filled with a heat insulating material, and a heat storage layer 5 under the floor board 1 of the house. They are stacked in order. The solid base layer 2 becomes a heat dissipation layer by applying heat. In addition, the heat storage layer 5 is a laminated structure in which a split layer 6 in which split stones are laid down, a heat exchange layer 7 made of concrete, and a ground 8 are sequentially arranged under the heat insulating layer 4. The whole becomes the heat storage layer 5 by applying heat. Further, the outer peripheral portion of the solid base layer 2 is suspended in an inverted T shape, and the suspended portion covers the periphery of the heat insulating layer 4, the split layer 6, and the heat exchange layer 7 and is embedded in the ground 8. Further, the periphery of the solid foundation layer 2 is covered with a heat insulating material 9, and the heat insulating material 9 is also arranged on the wall 10 and the roof 11.

床暖房システムは、上述の家屋と、屋外（屋根１１）上に設置する熱源としての太陽熱温水集熱パネル１２と、太陽熱温水集熱パネル１２の内部からべた基礎層２の内部に熱を伝達させる熱伝達経路１３と、補助熱源１４としてのヒートポンプと、ヒートポンプ１４の熱を熱伝達経路１３に伝える熱交換器１５によって構成する。
The floor heating system transfers heat from the inside of the above-mentioned house, the solar hot water collector panel 12 as a heat source to be installed on the outside (roof 11), and the inside of the foundation layer 2 from the inside of the solar hot water collector panel 12 . The heat transfer path 13, the heat pump as the auxiliary heat source 14, and the heat exchanger 15 that transfers the heat of the heat pump 14 to the heat transfer path 13 are configured.

熱伝達経路１３の第一例は、図２（イ）（ロ）に示すように四つの経路により構成してあり、単一経路からなる一つの経路と、複合経路からなる他の三つの経路である。以下、各経路について詳述する。   The first example of the heat transfer path 13 is composed of four paths as shown in FIGS. 2 (A) and 2 (B), and one path consisting of a single path and the other three paths consisting of a composite path. It is. Hereinafter, each route will be described in detail.

一つ目の経路は単一経路であり、太陽熱温水集熱パネル１２の内部と蓄熱層５（熱交換層７）の内部を温水が循環する蓄熱経路１６であり、太陽熱を蓄熱するものである。蓄熱経路１６は、温水が流れるパイプ(ポリスチレン等の合成樹脂製チューブ）にポンプ２０を接続して循環路を形成したものである。そして、パイプは、その一部分を太陽熱温水集熱パネル１２に内蔵する太陽熱チューブ２１とし、別の部分を熱交換層７の内部に埋設する蓄熱チューブ２２としてある。従って、ポンプ２０を駆動すれば、太陽熱チューブ２１内で温められた温水が蓄熱チューブ２２の内部に流れて、熱交換層７が温まり、その結果、割ぐり層６および地面８も温まって蓄熱層５の全体が温まる。   The first path is a single path, which is a heat storage path 16 through which hot water circulates inside the solar hot water collection panel 12 and inside the heat storage layer 5 (heat exchange layer 7), and stores solar heat. . The heat storage path 16 is formed by connecting a pump 20 to a pipe (synthetic resin tube such as polystyrene) through which hot water flows to form a circulation path. A part of the pipe is a solar heat tube 21 built in the solar hot water collecting panel 12, and another part is a heat storage tube 22 embedded in the heat exchange layer 7. Accordingly, when the pump 20 is driven, the warm water heated in the solar heat tube 21 flows into the heat storage tube 22 and the heat exchange layer 7 is warmed. As a result, the cracking layer 6 and the ground 8 are also warmed and the heat storage layer. The whole of 5 warms up.

蓄熱経路１６以外の他の三つの経路は、放熱経路１７、補助熱経路１８、および併用経路１９を切替可能に接続した複合経路であって、複合経路中に別のポンプ２３とバルブユニット２４を備えるもので、バルブユニット２４はその切替操作によって、使用する経路を切り替えられるものである。   The other three paths other than the heat storage path 16 are composite paths in which the heat dissipation path 17, the auxiliary heat path 18, and the combination path 19 are connected to be switchable, and another pump 23 and a valve unit 24 are connected in the composite path. The valve unit 24 can be used to switch the route to be used by the switching operation.

バルブユニット２４は、複数のバルブから構成するもので、温水が流れる方向を切り替える第一切替弁２５および第二切替弁２６と、温水の流れを止める第三止め弁２７とから構成し、図示しない制御装置からの制御信号に基づいて作動させる電磁弁を用いる。   The valve unit 24 includes a plurality of valves, and includes a first switching valve 25 and a second switching valve 26 that switch the direction in which the hot water flows, and a third stop valve 27 that stops the flow of the hot water, and is not illustrated. An electromagnetic valve that is operated based on a control signal from the control device is used.

放熱経路１７と補助熱経路１８は、べた基礎層２内を通過して両方に引き出した部分を共用する部分とし、この共用する部分の両端部を二つの分岐点とし、分岐点から熱交換器１５に向う経路と、熱交換層７内に向う経路に分かれている。これら二つの分岐点に第一切替弁２５と第二切替弁２６を接続する。第一切替弁２５と第二切替弁２６は、二方向に温水が流れる方向を切り替えるもので、各々、共通ポート（符号なし）と、第一ポート（符号１）、第二ポート（符号２）を有し、第一ポートを開けて第二ポートを閉めるか、その逆に第一ポートを閉めて第二ポートを開けるか切り替え、共通ポートと切り替えたポートとの間に温水を流す。そして第一切替弁２５と第二切替弁２６は、第三止め弁２７との共同操作によって、選択した放熱経路１７または補助熱経路１８にのみ温水を循環させるものである。また、第三止め弁２７は、開閉可能なもので、併用経路１９に接続してあり、第一切替弁２５および第二切替弁２６との共同操作によって、併用経路１９にのみ温水を循環させるものである。   The heat dissipating path 17 and the auxiliary heat path 18 share a portion that passes through the solid base layer 2 and is drawn out to both. The two end portions of the common portion serve as two branch points, and the heat exchanger starts from the branch point. The route toward 15 and the route toward the heat exchange layer 7 are divided. The first switching valve 25 and the second switching valve 26 are connected to these two branch points. The first switching valve 25 and the second switching valve 26 switch the direction in which the hot water flows in two directions, and are respectively a common port (no reference), a first port (reference 1), and a second port (reference 2). The first port is opened and the second port is closed, or conversely, the first port is closed and the second port is opened, and hot water is allowed to flow between the common port and the switched port. The first switching valve 25 and the second switching valve 26 circulate hot water only in the selected heat dissipation path 17 or auxiliary heat path 18 through a joint operation with the third stop valve 27. The third stop valve 27 is openable and closable, and is connected to the combined use path 19, and hot water is circulated only through the combined use path 19 by joint operation with the first switching valve 25 and the second switching valve 26. Is.

二つ目の経路は蓄熱層５の内部とべた基礎層２の内部を温水が循環する放熱経路１７で、蓄熱した熱を放熱して室内を暖めるものである。放熱経路１７は、蓄熱経路１６とは別のパイプに別のポンプ２３、第一切替弁２５および第二切替弁２６を接続して循環路を形成するものである。パイプは、放熱チューブ２８と熱交換チューブ２９とから構成し、放熱チューブ２８の大半をべた基礎層２の内部に埋設すると共に残りの両端部をべた基礎層２から引き出し、熱交換チューブ２９の大半を熱交換層７の内部に埋設すると共に残りの両端部を熱交換層７から引き出す。放熱チューブ２８の一端にはポンプ２３の出口、ポンプ２３の入口、第一切替弁２５の共通ポート、第一切替弁２５の第二ポート（符号２）、熱交換チューブ２９の一端を順に接続し、熱交換チューブ２９の他端には第二切替弁２６の第二ポート（符号２）、第二切替弁２６の共通ポート、放熱チューブ２８の他端を順に接続してある。そして、温水をポンプ２３から放熱チューブ２８、第二切替弁２６、熱交換チューブ２９、第一切替弁２５、ポンプ２３の順に循環させる。   The second path is a heat dissipation path 17 through which hot water circulates inside the heat storage layer 5 and inside the solid base layer 2, and releases the stored heat to warm the room. The heat radiation path 17 forms a circulation path by connecting another pump 23, the first switching valve 25 and the second switching valve 26 to a pipe different from the heat storage path 16. The pipe is composed of a heat radiating tube 28 and a heat exchanging tube 29. The most part of the heat radiating tube 28 is embedded in the solid base layer 2 and the remaining both ends are drawn from the solid base layer 2, and most of the heat exchanging tube 29 is formed. Are embedded in the heat exchange layer 7 and the other end portions are pulled out from the heat exchange layer 7. The outlet of the pump 23, the inlet of the pump 23, the common port of the first switching valve 25, the second port (reference numeral 2) of the first switching valve 25, and one end of the heat exchange tube 29 are connected in order to one end of the heat radiating tube 28. The second port of the second switching valve 26 (reference numeral 2), the common port of the second switching valve 26, and the other end of the heat radiation tube 28 are connected to the other end of the heat exchange tube 29 in this order. Then, the hot water is circulated from the pump 23 in the order of the heat radiation tube 28, the second switching valve 26, the heat exchange tube 29, the first switching valve 25, and the pump 23.

三つ目の経路は、熱交換器１５の内部とべた基礎層２の内部を温水が循環する補助熱経路１８で、補助熱源１４のみの熱を放熱して室内を暖めるものである。補助熱経路１８は、第一切替弁２５の第一ポート（符号１）および第二切替弁２６の第一ポート（符号１）に補助熱チューブ３０の両端をそれぞれ接続し、補助熱チューブ３０の一部を熱交換器１５に導くものである。そして、温水をポンプ２３から放熱チューブ２８、第二切替弁２６、補助熱チューブ３０、第一切替弁２５、ポンプ２３の順に循環させる。   The third path is an auxiliary heat path 18 through which hot water circulates inside the heat exchanger 15 and inside the solid base layer 2, and radiates heat from only the auxiliary heat source 14 to warm the room. The auxiliary heat path 18 connects both ends of the auxiliary heat tube 30 to the first port (reference numeral 1) of the first switching valve 25 and the first port (reference numeral 1) of the second switching valve 26, respectively. A part is led to the heat exchanger 15. Then, the hot water is circulated from the pump 23 in the order of the heat radiation tube 28, the second switching valve 26, the auxiliary heat tube 30, the first switching valve 25, and the pump 23.

四つ目の経路は、熱交換器１５の内部とべた基礎層２の内部と蓄熱層５の内部を温水が循環する併用経路１９で、補助熱源１４と蓄熱層５の熱を併用して室内を暖めるものである。併用経路１９は、温水が熱交換層７の熱交換チューブ２９を通過した後に熱交換器１５内の補助熱チューブ３０に向うバイパス経路３１を有し、バイパス経路３１の途中に第三止め弁２７を接続してある。そして、温水をポンプ２３から放熱チューブ２８、第二切替弁２６、熱交換チューブ２９、バイパス経路３１（第三止め弁２７を含む）、補助熱チューブ３０、第一切替弁２５、ポンプ２３の順に循環させる。   The fourth path is a combined path 19 in which hot water circulates inside the heat exchanger 15, inside the solid base layer 2 and inside the heat storage layer 5, and uses the heat from the auxiliary heat source 14 and the heat storage layer 5 together. It is something that warms up. The combined path 19 has a bypass path 31 that is directed to the auxiliary heat tube 30 in the heat exchanger 15 after the hot water passes through the heat exchange tube 29 of the heat exchange layer 7, and a third stop valve 27 is provided in the middle of the bypass path 31. Is connected. The hot water is supplied from the pump 23 to the heat radiating tube 28, the second switching valve 26, the heat exchange tube 29, the bypass path 31 (including the third stop valve 27), the auxiliary heat tube 30, the first switching valve 25, and the pump 23. Circulate.

なお、前述した熱交換チューブ２９、蓄熱チューブ２２は、地面８の上に組んだ鉄筋の上にそれぞれ敷設するもので、その後にコンクリートを流し込んで熱交換層７を形成する。また、放熱チューブ２８も同様に使用し、べた基礎層２を形成する。   In addition, the heat exchange tube 29 and the heat storage tube 22 described above are respectively laid on the reinforcing bars assembled on the ground 8, and then the concrete is poured into the heat exchange layer 7. Further, the heat radiating tube 28 is used in the same manner to form the solid base layer 2.

上述した熱伝達経路１３は、バルブユニット２４の切替操作によって、所望の経路に温水を循環させる。蓄熱層５の熱を使う場合（放熱経路１７に温水を循環させる場合）は、蓄熱層５に十分に蓄熱されているときであり、第一切替弁２５の第一ポート（符号１）を開き、第二切替弁２６の第二ポート（符号２）を開き、第三止め弁２７を閉じる。このようにしてから放熱経路１７内のポンプ２３を駆動すれば、熱交換層７で温められた温水がべた基礎層２の内部に流れて、べた基礎層２が温まり、その結果、室内も暖かくなる。   The heat transfer path 13 described above circulates hot water through a desired path by switching the valve unit 24. When the heat of the heat storage layer 5 is used (when warm water is circulated through the heat dissipation path 17), the heat is stored in the heat storage layer 5 sufficiently, and the first port (symbol 1) of the first switching valve 25 is opened. Then, the second port (reference numeral 2) of the second switching valve 26 is opened and the third stop valve 27 is closed. When the pump 23 in the heat dissipation path 17 is driven after this, the warm water warmed by the heat exchange layer 7 flows into the solid base layer 2, and the solid base layer 2 is warmed. As a result, the room is also warm. Become.

蓄熱層５の熱を使い補助熱源１４で補う場合（併用経路１９に温水を循環させる場合）は、蓄熱層５の蓄熱量が不十分なときであり、第一切替弁２５の第一ポート（符号１）を開き、第二切替弁２６の第二ポート（符号２）を開き、第三止め弁２７を開く。このようにしてから補助熱源１４（ヒートポンプ）を暖房運転しつつポンプ２３を駆動すれば、補助熱源１４の熱だけでなく、蓄熱層５の熱が温水に伝わり、温水がべた基礎層２の放熱チューブ２８に流れ込む。   When the heat of the heat storage layer 5 is used and supplemented by the auxiliary heat source 14 (when warm water is circulated through the combined path 19), the heat storage amount of the heat storage layer 5 is insufficient, and the first port of the first switching valve 25 ( 1) is opened, the second port (2) of the second switching valve 26 is opened, and the third stop valve 27 is opened. If the pump 23 is driven while heating the auxiliary heat source 14 (heat pump) after doing in this way, not only the heat of the auxiliary heat source 14 but also the heat of the heat storage layer 5 is transferred to the hot water, and the heat release of the base layer 2 where the hot water is solid. It flows into the tube 28.

補助熱源１４の熱を使う場合（補助熱経路１８に温水を循環させる場合）は、蓄熱層５の蓄熱量が不足しているときであり、第一切替弁２５の第一ポート（符号１）を開き、第二切替弁２６の第一ポート（符号１）を開き、第三止め弁２７を閉じる。このようしてから補助熱源１４を暖房運転しつつポンプ２３を駆動すれば、補助熱源１４の熱が熱交換器１５によって補助熱チューブ３０内の温水に伝わり、温水がべた基礎層２の放熱チューブ２８に流れ込む。   When the heat of the auxiliary heat source 14 is used (when warm water is circulated through the auxiliary heat path 18), the amount of heat stored in the heat storage layer 5 is insufficient, and the first port (reference numeral 1) of the first switching valve 25 is used. Is opened, the first port (reference numeral 1) of the second switching valve 26 is opened, and the third stop valve 27 is closed. If the pump 23 is driven while the auxiliary heat source 14 is heated in this way, the heat of the auxiliary heat source 14 is transferred to the hot water in the auxiliary heat tube 30 by the heat exchanger 15, and the heat radiating tube of the base layer 2 where the hot water is solid. It flows into 28.

熱伝達経路１３の第二例は、図３（イ）（ロ）に示すように四つの経路、すなわち蓄熱経路１６、放熱経路１７、補助熱経路１８、併用経路１９を切替可能に接続した複合経路であって、四つの経路が共用する共用経路３２にポンプ３３とバルブユニット２４を備え、バルブユニット２４の切替操作によって、使用する経路を切り替えられるものである。   The second example of the heat transfer path 13 is a composite in which four paths, that is, a heat storage path 16, a heat radiation path 17, an auxiliary heat path 18, and a combined path 19 are connected so as to be switchable as shown in FIGS. The common path 32 shared by the four paths includes the pump 33 and the valve unit 24, and the path to be used can be switched by the switching operation of the valve unit 24.

バルブユニット２４は、複数のバルブから構成するもので、温水が流れる方向を切り替える第一〜第六共用切替弁３４〜３９から構成する。各共用切替弁３４〜３９は、前例の第一切替弁２５等と同様に、二方向に温水が流れる方向を切り替えるものである。そして各共用切替弁３４〜３９は、共同操作によって、選択した蓄熱経路１６、放熱経路１７、補助熱経路１８、併用経路１９にのみ温水を循環させるものである。   The valve unit 24 includes a plurality of valves, and includes first to sixth common switching valves 34 to 39 that switch the direction in which the hot water flows. Each of the common switching valves 34 to 39 switches the direction in which the hot water flows in two directions, like the first switching valve 25 and the like of the previous example. And each common switching valve 34-39 circulates warm water only to the selected thermal storage path | route 16, the thermal radiation path | route 17, the auxiliary | assistant heat path | route 18, and the combined use path | route 19 by joint operation.

蓄熱経路１６は、太陽熱温水集熱パネル１２から引き出した太陽熱チューブ２１の両端と熱交換層７から引き出した蓄熱チューブ２２の両端部を、共用経路３２の第一共用チューブ４０と第二共用チューブ４１で別々に接続して循環路を構成し、第一共用チューブ４０には途中にポンプ３３を接続し、ポンプ３３から太陽熱チューブ２１に向って温水を循環させる。ポンプ３３を起点として温水の進行方向に沿って第一共用チューブ４０には第一共用切替弁３４の共通ポート、第一共用切替弁３４の第一ポート、第二共用切替弁３５の第二ポート、第二共用切替弁３５の共通ポート、第三共用切替弁３６の共通ポート、第三共用切替弁３６の第二ポートを順番に接続し、第二共用チューブ４１には第四共用切替弁３７の第二ポート、第四共用切替弁３７の共通ポート、第五共用切替弁３８の共通ポート、第五共用切替弁３８の第一ポートを順番に接続し、第五共用切替弁３８の第一ポートから蓄熱チューブ２２を経て温水が流れ込む第一共用チューブ４０には第六共用切替弁３９の第二ポート、第六共用切替弁３９の共通ポートを順次接続し、その後、温水がポンプ３３に戻るものである。   In the heat storage path 16, both ends of the solar heat tube 21 drawn out from the solar hot water collecting panel 12 and both ends of the heat storage tube 22 drawn out from the heat exchange layer 7 are connected to the first shared tube 40 and the second shared tube 41 in the shared path 32. Are connected separately to form a circulation path, and a pump 33 is connected to the first common tube 40 in the middle, and hot water is circulated from the pump 33 toward the solar heat tube 21. Starting from the pump 33, the first common tube 40 has a common port of the first common switching valve 34, a first port of the first common switching valve 34, and a second port of the second common switching valve 35 along the traveling direction of the hot water. The common port of the second shared switching valve 35, the common port of the third shared switching valve 36, and the second port of the third shared switching valve 36 are connected in order, and the fourth shared switching valve 37 is connected to the second shared tube 41. The second port, the common port of the fourth shared switching valve 37, the common port of the fifth shared switching valve 38, and the first port of the fifth shared switching valve 38 are connected in order, and the first of the fifth shared switching valve 38 is connected. A second port of the sixth shared switching valve 39 and a common port of the sixth shared switching valve 39 are sequentially connected to the first shared tube 40 through which the hot water flows from the port through the heat storage tube 22, and then the hot water returns to the pump 33. Is.

放熱経路１７は、べた基礎層２から引き出した放熱チューブ２８の両端を第三共用切替弁３６の第一ポートと第四共用切替弁３７の第一ポートに接続することによって、共用経路３２を利用しながら放熱チューブ２８と蓄熱チューブ２２との間で温水を循環する循環路を構成するものである。より詳しく言えば、温水がポンプ３３から第一共用切替弁３４、第二共用切替弁３５、第三共用切替弁３６、放熱チューブ２８、第四共用切替弁３７、第五共用切替弁３８、蓄熱チューブ２２、第六共用切替弁３９、ポンプ３３の順に流れるものである。   The heat dissipation path 17 uses the shared path 32 by connecting both ends of the heat dissipation tube 28 drawn from the solid base layer 2 to the first port of the third shared switching valve 36 and the first port of the fourth shared switching valve 37. However, the circulation path which circulates warm water between the thermal radiation tube 28 and the thermal storage tube 22 is comprised. More specifically, the hot water is supplied from the pump 33 to the first shared switching valve 34, the second shared switching valve 35, the third shared switching valve 36, the heat radiating tube 28, the fourth shared switching valve 37, the fifth shared switching valve 38, and the heat storage. The tube 22, the sixth common switching valve 39, and the pump 33 flow in this order.

補助熱経路１８は、第五共用切替弁３８の第二ポートと第六共用切替弁３９の第一ポートを、共用バイパス経路４２で接続すると共に、第一共用切替弁３４の第二ポートと第二共用切替弁３５の第一ポートを補助熱チューブ３０の両端に接続することによって、共用経路３２を利用しながら補助熱チューブ３０と放熱チューブ２８との間で温水を循環する循環路を構成するものである。より詳しく言えば、温水がポンプ３３から第一共用切替弁３４、補助熱チューブ３０、第二共用切替弁３５、第三共用切替弁３６、放熱チューブ２８、第四共用切替弁３７、第五共用切替弁３８、共用バイパス経路４２、第六共用切替弁３９、ポンプ３３の順に流れるものである。   The auxiliary heat path 18 connects the second port of the fifth shared switching valve 38 and the first port of the sixth shared switching valve 39 by the shared bypass path 42 and also connects the second port of the first shared switching valve 34 and the first port. By connecting the first port of the dual shared switching valve 35 to both ends of the auxiliary heat tube 30, a circulation path for circulating hot water between the auxiliary heat tube 30 and the heat radiating tube 28 is configured using the shared path 32. Is. More specifically, the hot water is supplied from the pump 33 to the first common switching valve 34, the auxiliary heat tube 30, the second common switching valve 35, the third common switching valve 36, the heat radiation tube 28, the fourth common switching valve 37, and the fifth common switching valve. The switching valve 38, the common bypass path 42, the sixth common switching valve 39, and the pump 33 flow in this order.

併用経路１９は、共用経路３２を利用しながら補助熱チューブ３０と放熱チューブ２８と蓄熱チューブ２２の間で温水を循環する循環路を構成するものである。より詳しく言えば、温水がポンプ３３から第一共用切替弁３４、補助熱チューブ３０、第二共用切替弁３５、第三共用切替弁３６、放熱チューブ２８、第四共用切替弁３７、第五共用切替弁３８、蓄熱チューブ２２、第六共用切替弁３９、ポンプ３３の順に流れるものである。   The combined path 19 constitutes a circulation path for circulating hot water among the auxiliary heat tube 30, the heat radiating tube 28, and the heat storage tube 22 while using the common path 32. More specifically, the hot water is supplied from the pump 33 to the first common switching valve 34, the auxiliary heat tube 30, the second common switching valve 35, the third common switching valve 36, the heat radiation tube 28, the fourth common switching valve 37, and the fifth common switching valve. The switching valve 38, the heat storage tube 22, the sixth common switching valve 39, and the pump 33 flow in this order.

共用経路３２は、第一共用チューブ４０と第二共用チューブ４１と共用バイパス経路４２、ポンプ３３、並びに第一〜第六共用切替弁３４〜３９によって構成されるものである。   The shared path 32 includes the first shared tube 40, the second shared tube 41, the shared bypass path 42, the pump 33, and the first to sixth shared switching valves 34 to 39.

上述した熱伝達経路１３は、バルブユニット２４の切替操作によって、所望の経路に温水を循環させる。蓄熱層５の熱を使う場合は、第一共用切替弁３４の第一ポートを開き、第二共用切替弁３５の第二ポートを開き、第三共用切替弁３６の第一ポートを開き、第四共用切替弁３７の第一ポートを開き、第五共用切替弁３８の第一ポートを開き、第六共用切替弁３９の第二ポートを開いて、ポンプ２３を駆動する。   The heat transfer path 13 described above circulates hot water through a desired path by switching the valve unit 24. When the heat of the heat storage layer 5 is used, the first port of the first shared switching valve 34 is opened, the second port of the second shared switching valve 35 is opened, the first port of the third shared switching valve 36 is opened, The first port of the fourth shared switching valve 37 is opened, the first port of the fifth shared switching valve 38 is opened, the second port of the sixth shared switching valve 39 is opened, and the pump 23 is driven.

蓄熱層５の熱を使い補助熱源１４で補う場合は、第一共用切替弁３４の第二ポートを開き、第二共用切替弁３５の第一ポートを開き、第三共用切替弁３６の第一ポートを開き、第四共用切替弁３７の第一ポートを開き、第五共用切替弁３８の第一ポートを開き、第六共用切替弁３９の第二ポートを開いて、ポンプ２３を駆動する。   When using the heat of the heat storage layer 5 and supplementing with the auxiliary heat source 14, the second port of the first shared switching valve 34 is opened, the first port of the second shared switching valve 35 is opened, and the first of the third shared switching valve 36 is opened. The port is opened, the first port of the fourth shared switching valve 37 is opened, the first port of the fifth shared switching valve 38 is opened, the second port of the sixth shared switching valve 39 is opened, and the pump 23 is driven.

補助熱源１４のみの熱を使う場合は、第一共用切替弁３４の第二ポートを開き、第二共用切替弁３５の第一ポートを開き、第三共用切替弁３６の第一ポートを開き、第四共用切替弁３７の第一ポートを開き、第五共用切替弁３８の第二ポートを開き、第六共用切替弁３９の第一ポートを開いて、ポンプ２３を駆動する。   When using only the heat of the auxiliary heat source 14, the second port of the first shared switching valve 34 is opened, the first port of the second shared switching valve 35 is opened, the first port of the third shared switching valve 36 is opened, The first port of the fourth shared switching valve 37 is opened, the second port of the fifth shared switching valve 38 is opened, the first port of the sixth shared switching valve 39 is opened, and the pump 23 is driven.

蓄熱層５に熱を蓄える場合は、第一共用切替弁３４の第一ポートを開き、第二共用切替弁３５の第二ポートを開き、第三共用切替弁３６の第二ポートを開き、第四共用切替弁３７の第二ポートを開き、第五共用切替弁３８の第一ポートを開き、第六共用切替弁３９の第二ポートを開いて、ポンプ２３を駆動する。   When storing heat in the heat storage layer 5, the first port of the first shared switching valve 34 is opened, the second port of the second shared switching valve 35 is opened, the second port of the third shared switching valve 36 is opened, The second port of the fourth shared switching valve 37 is opened, the first port of the fifth shared switching valve 38 is opened, the second port of the sixth shared switching valve 39 is opened, and the pump 23 is driven.

上述した床暖房システムは、夏季には冷房システムとしても使用することができる。すなわち、夏季には地面の温度が外気温よりも低いので、放熱経路１７に温水（夏季には地面の温度によって冷水となる）を循環させて、地面の温度を蓄熱層５からべた基礎層２に伝える。この場合、蓄熱層５には太陽熱温水集熱パネル１２からの熱を蓄熱しない（蓄熱経路１６のポンプを駆動しない）。また、補助熱源１４（ヒートポンプ）を冷房運転して、補助熱源１４の熱をべた基礎層２に伝えることも可能である。このようにすれば、冷暖房システムとなる。   The floor heating system described above can also be used as a cooling system in summer. That is, since the temperature of the ground is lower than the outside air temperature in the summer, warm water (which becomes cold water depending on the temperature of the ground in the summer) is circulated through the heat radiation path 17, so that the ground temperature is determined from the heat storage layer 5. To tell. In this case, the heat storage layer 5 does not store the heat from the solar hot water heat collection panel 12 (the pump of the heat storage path 16 is not driven). It is also possible to cool the auxiliary heat source 14 (heat pump) and transmit the heat of the auxiliary heat source 14 to the solid base layer 2. If it does in this way, it will become an air-conditioning system.

床暖房システムの概略構造を示す断面図である。It is sectional drawing which shows schematic structure of a floor heating system. （イ）（ロ）図は床暖房システムの熱伝達経路の第一例を示す説明図、バルブユニットの操作図である。(A) and (B) are explanatory views showing a first example of a heat transfer path of the floor heating system, and operation diagrams of the valve unit. （イ）（ロ）図は床暖房システムの熱伝達経路の第二例を示す説明図、バルブユニットの操作図である。(A) and (B) are explanatory views showing a second example of the heat transfer path of the floor heating system, and operation diagrams of the valve unit.

符号の説明Explanation of symbols

１床板、２べた基礎層、３防水シート、４断熱層、５蓄熱層、６割ぐり層、７熱交換層、
８地面、９断熱材、１０壁、１１屋根、１２太陽熱温水集熱パネル、１３熱伝達経路、
１４補助熱源、１５熱交換器、１６蓄熱経路、１７放熱経路、１８補助熱経路、
１９併用経路、２０ポンプ、２１太陽熱チューブ、２２蓄熱チューブ、２３ポンプ、
２４バルブユニット、２５第一切替弁、２６第二切替弁、２７第三止め弁、
２８放熱チューブ、２９熱交換チューブ、３０補助熱チューブ、３１バイパス経路、
３２共用経路、３３ポンプ、３４第一共用切替弁、３５第二共用切替弁、
３６第三共用切替弁、３７第四共用切替弁、３８第五共用切替弁、３９第六共用切替弁、
４０第一共用チューブ、４１第二共用チューブ、４２共用バイパス経路 1 floor board, 2 solid foundation layer, 3 waterproof sheet, 4 heat insulation layer, 5 heat storage layer, 60% cut layer, 7 heat exchange layer,
8 grounds, 9 thermal insulation, 10 walls, 11 roofs, 12 solar hot water collector panels, 13 heat transfer paths,
14 auxiliary heat sources, 15 heat exchangers, 16 heat storage paths, 17 heat dissipation paths, 18 auxiliary heat paths,
19 combination route, 20 pump, 21 solar tube, 22 heat storage tube, 23 pump,
24 valve unit, 25 first switching valve, 26 second switching valve, 27 third stop valve,
28 heat radiation tubes, 29 heat exchange tubes, 30 auxiliary heat tubes, 31 bypass paths,
32 shared routes, 33 pumps, 34 first shared switching valve, 35 second shared switching valve,
36 third shared switching valve, 37 fourth shared switching valve, 38 fifth shared switching valve, 39 sixth shared switching valve,
40 first shared tube, 41 second shared tube, 42 shared bypass route

Claims (3)

床板（１）の下に、べた基礎層（２）を積層して配置すると共に、べた基礎層（２）の下に断熱層（４）、蓄熱層（５）を順に配置し、熱源として太陽熱温水集熱パネル（１２）を屋外に設置し、太陽熱温水集熱パネル（１２）の内部からべた基礎層（２）の内部に熱を伝達させる熱伝達経路（１３）を備えることによって、べた基礎層（２）を放熱層として機能させ、
熱伝達経路（１３）は、太陽熱温水集熱パネル（１２）の内部と蓄熱層（５）の内部を温水が循環する蓄熱経路（１６）、並びに蓄熱層（５）の内部とべた基礎層（２）の内部を温水が循環する放熱経路（１７）を備えると共に、蓄熱経路（１６）と放熱経路（１７）の二つの経路を独立して形成し、蓄熱経路（１６）と放熱経路（１７）に循環用のポンプ（２０，２３）をそれぞれ接続し、
蓄熱層（５）は、断熱層（４）の下に割ぐり層（６）、熱交換層（７）、地面（８）を順に積層して配置し、熱交換層（７）の内部を蓄熱経路（１６）の一部として構成してあることを特徴とする床暖房システム。 A solid base layer (2) is laminated and arranged under the floor board (1), and a heat insulating layer (4) and a heat storage layer (5) are sequentially arranged under the solid base layer (2), and solar heat is used as a heat source. A solid foundation by installing a hot water heat collection panel (12) outdoors and providing a heat transfer path (13) for transferring heat from the inside of the solar hot water collection panel (12) to the inside of the foundation layer (2). Make layer (2) function as a heat dissipation layer ,
The heat transfer path (13) includes a heat storage path (16) through which hot water circulates in the solar hot water heat collecting panel (12) and the heat storage layer (5), and a base layer that is solid with the heat storage layer (5). Rutotomoni an internal hot water is circulated radiation path of 2) (17), independently two paths formed by the thermal storage path (16) and the heat radiation path (17), and heat storage path (16) heat dissipation path ( 17) are connected to circulation pumps (20, 23), respectively.
The heat storage layer (5) is arranged by laminating a split layer (6), a heat exchange layer (7), and a ground surface (8) in this order under the heat insulation layer (4), and the inside of the heat exchange layer (7) is arranged. A floor heating system configured as a part of the heat storage path (16) . 床板（１）の下に、べた基礎層（２）、断熱層（４）、蓄熱層（５）を配置し、熱源として太陽熱温水集熱パネル（１２）を屋外に設置し、太陽熱温水集熱パネル（１２）の内部からべた基礎層（２）の内部に熱を伝達させる熱伝達経路（１３）を備えることによって、べた基礎層（２）を放熱層として機能させ、
熱伝達経路（１３）は、太陽熱温水集熱パネル（１２）の内部と蓄熱層（５）の内部を温水が循環する蓄熱経路（１６）、並びに蓄熱層（５）の内部とべた基礎層（２）の内部を温水が循環する放熱経路（１７）を備えると共に、蓄熱経路（１６）と放熱経路（１７）の二経路が共用経路（３２）を介して接続された複合経路であり、蓄熱経路（１６）と放熱経路（１７）を切替可能なバルブユニット（２４）と循環用の共用ポンプ（３３）を共用経路（３２）には接続してあり、
蓄熱層（５）は、断熱層（４）の下に割ぐり層（６）、熱交換層（７）、地面（８）を順に積層して配置し、熱交換層（７）の内部を蓄熱経路（１６）の一部として構成してあることを特徴とする請求項１記載の床暖房システム。 Under the floor (1), solid base layer (2), a heat insulating layer (4), the heat storage layer (5) is arranged, the solar water heat collection panel (12) is installed outdoors as a heat source, solar water heat collector By providing the heat transfer path (13) for transferring heat from the inside of the panel (12) to the inside of the solid foundation layer (2), the solid foundation layer (2) functions as a heat dissipation layer ,
The heat transfer path (13) includes a heat storage path (16) through which hot water circulates in the solar hot water heat collecting panel (12) and the heat storage layer (5), and a base layer that is solid with the heat storage layer (5). Rutotomoni an internal hot water is circulated radiation path of 2) (17), a composite path pathway is connected via a shared path (32) of the heat storage path (16) and the heat radiation path (17), A valve unit (24) capable of switching between the heat storage path (16) and the heat dissipation path (17) and a shared pump (33) for circulation are connected to the shared path (32).
The heat storage layer (5) is arranged by laminating a split layer (6), a heat exchange layer (7), and a ground surface (8) in this order under the heat insulation layer (4), and the inside of the heat exchange layer (7) is arranged. The floor heating system according to claim 1, wherein the floor heating system is configured as a part of the heat storage path (16) . 太陽熱温水集熱パネル（１２）以外の補助熱源（１４）と、補助熱源（１４）と放熱経路（１７）との間で熱交換する熱交換器（１５）を備えることを特徴とする請求項１、または２記載の床暖房システム。
An auxiliary heat source (14) other than the solar hot water heat collecting panel (12) and a heat exchanger (15) for exchanging heat between the auxiliary heat source (14) and the heat radiation path (17) are provided. The floor heating system according to 1 or 2 .
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