JPH01256754A - Cooling/heating and hot water supplying system - Google Patents
Cooling/heating and hot water supplying systemInfo
- Publication number
- JPH01256754A JPH01256754A JP63082789A JP8278988A JPH01256754A JP H01256754 A JPH01256754 A JP H01256754A JP 63082789 A JP63082789 A JP 63082789A JP 8278988 A JP8278988 A JP 8278988A JP H01256754 A JPH01256754 A JP H01256754A
- Authority
- JP
- Japan
- Prior art keywords
- heating
- hot water
- water supply
- heat exchanger
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Steam Or Hot-Water Central Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、フレオンガス等の冷媒の圧縮、膨張凝縮サ
イクルに冷房用熱交換機と三重管構造からなる暖房・給
湯用熱交換機を組み込み、冷暖房給湯を行うようにした
冷暖房・給湯システムに閃する。Detailed Description of the Invention (Field of Industrial Application) This invention incorporates a heat exchanger for cooling and a heat exchanger for heating and hot water supply consisting of a triple pipe structure into the compression, expansion and condensation cycle of a refrigerant such as Freon gas. I was inspired by the heating, cooling, and hot water systems designed to do this.
（従来の技術）
従来、圧１ｉ！機、室内外熱交換機、膨張弁等を含む回
路でのフレオンガス等の冷媒の圧縮、膨張、凝縮サイク
ルによって、冷暖房を行うようにし、更に、該回路に給
湯用熱交換機を組み込んで冷暖房を行いつつ給湯をも可
能とした冷暖房・給湯システムは公知である。(Conventional technology) Conventionally, pressure 1i! Heating and cooling is performed through the compression, expansion, and condensation cycle of refrigerant such as Freon gas in a circuit that includes a heat exchanger, an indoor/outdoor heat exchanger, an expansion valve, etc., and a heat exchanger for hot water supply is incorporated into the circuit to perform heating and cooling. Air-conditioning/heating/hot water systems that can also supply hot water are well known.
しかしながら、従来公知のかかる冷暖房・給湯システム
にあっては、冷暖房は同一の室内熱交換機により行って
いる為に、冷房と暖房とを同時に行うことは出来なかっ
た。又、給湯用熱交換機は給湯専用にしか用いることは
出来ず、給湯用熱交換機を用いて給湯と暖房とを同時に
行うことは不可能であった。従って、冷暖房を同時に達
成するには、それぞれ別個の熱交換機を必要とし、回路
構成が複雑となる欠点があった。However, in such conventionally known air-conditioning/heating/hot-water supply systems, since air-conditioning and heating are performed by the same indoor heat exchanger, it has not been possible to perform air-conditioning and heating at the same time. In addition, the heat exchanger for hot water supply can only be used for hot water supply, and it has been impossible to perform hot water supply and space heating at the same time using the hot water heat exchanger. Therefore, in order to achieve heating and cooling at the same time, separate heat exchangers are required, resulting in a complicated circuit configuration.
（発明が解決しようとする問題点）
この発明は、冷房は冷房専用の室内熱交換機によって行
い、暖房と給湯とを池の暖房・給湯用熱交換機によって
行うようにし、冷房と暖房とを同時に可能とする。そし
て、これによって冷房を行いつつ、冷気の降下によって
床面が冷え過ぎるのを床ＩＩ！房によって防止可能とす
る。ス、暖房と給湯とを別個の熱交換機を必要とするこ
となく単一の暖房 給湯用熱交換機によって可能とし、
回路の複雑化を防止せんとする。(Problems to be solved by the invention) In this invention, cooling is performed by an indoor heat exchanger exclusively for cooling, and heating and hot water supply are performed by a pond heating/hot water heat exchanger, making it possible to perform cooling and heating at the same time. shall be. And, while this cools the air conditioner, it also prevents the floor from getting too cold due to the falling cold air! This can be prevented by locking. heating and hot water supply using a single heating and hot water heat exchanger without the need for separate heat exchangers,
Try to prevent circuit complexity.
（問題点を解決するための手段）
上記問題点を解決するために、この発明が探った手段は
、圧Ｗｉ機（１）、四方切換弁（５）、暖房・給湯用熱
交換機（６）、室外熱交換Ｗ（３）、室内熱交換機（２
）並びに膨張弁（４）を含む回路がちなり、冷媒の圧縮
、１５ｊ張、凝縮サイクルによって冷暖房並びに給湯を
行うようにした冷暖房・給湯システムであって、暖房・
給湯用熱交換機（６）は、高温高圧の冷媒が流過する管
の内外にこれと向流又は平行流して熱交換する被加熱流
体が流過する２本の管を配した三重管構造からなり、流
通被加熱流木が流過する管の一方を給湯回路に、池方を
暖房回路に接続して、冷房・暖房並びに給湯の併行運転
を可能としたことを特徴とする。(Means for Solving the Problems) In order to solve the above problems, the means explored by this invention are a pressure Wi machine (1), a four-way switching valve (5), a heat exchanger for heating and hot water supply (6). , outdoor heat exchange W (3), indoor heat exchanger (2)
) and an expansion valve (4), this air-conditioning/heating/hot-water supply system performs air-conditioning, heating, and hot water supply through refrigerant compression, 15J expansion, and condensation cycles.
The heat exchanger (6) for hot water supply has a triple-pipe structure in which two pipes are arranged inside and outside the pipe through which a high-temperature, high-pressure refrigerant flows, and through which a fluid to be heated exchanges heat in countercurrent or parallel flow. One of the pipes through which the circulating and heated driftwood flows is connected to a hot water supply circuit and the other end of the pipe is connected to a heating circuit, making it possible to perform cooling, heating, and hot water supply simultaneously.
（作 用） 冷房を冷房専用の室内熱交換機によって行う。(for production) Cooling is performed using an indoor heat exchanger dedicated to cooling.
暖房給湯は高温・高圧の冷媒の内外を被加熱流体が向流
又は平行流で流過するようにした三重ｇ構造の熱交換機
によって暖房、給湯をそれぞれ行う。For heating and hot water supply, heating and hot water are respectively performed by a heat exchanger with a triple G structure in which a fluid to be heated flows in and out of a high-temperature, high-pressure refrigerant in countercurrent or parallel flow.
かくして、冷房を行いつつ同時に暖房を達成出来ると共
に、暖房と給湯とを単一の熱交換機で達成することが出
来る。In this way, heating can be achieved while cooling the room at the same time, and heating and hot water supply can be achieved with a single heat exchanger.
（発明の効果〉
この発明によれば、冷房と暖房とを同時に達成出来るた
め、冷気の降下による床面の冷え過ぎを床面暖房を行う
ことにより、防止出来、床の冷え過ぎによる感触の悪化
や錐康上の不都合を防止することが出来る。(Effects of the Invention) According to the present invention, since cooling and heating can be achieved at the same time, floor heating can prevent the floor from becoming too cold due to falling cold air, and worsening of the feel caused by the floor becoming too cold. It is possible to prevent inconveniences in terms of performance and safety.
また、暖房と給湯とは、三重管構造の単一の暖房・給湯
用熱交換機で行うようにしであるので、回路構成が複雑
化して来るおそれがないと共に、暖房、給湯をそれぞれ
独立した回路として別個に達成することが出来る利点が
ある。In addition, heating and hot water supply are performed by a single heating/hot water heat exchanger with a triple-pipe structure, so there is no risk of the circuit configuration becoming complicated, and heating and hot water supply can be performed as independent circuits. There are advantages that can be achieved separately.
（実施例）
以下に図面を参照しつつ、この発明の好ましい実施例を
説明する６図面において（１）は圧縮機、（２）は室内
好ましくは室内壁面に埋込まれた冷房用室内熱交換機、
（３）は室外に配置される室外熱交換機、（４）はｖ５
張弁、〈５）は四方切換弁、（６）は暖房・給湯用熱交
換機、（７）はアキュームレータである。(Example) Referring to the drawings below, in six drawings explaining preferred embodiments of the present invention, (1) is a compressor, and (2) is an indoor heat exchanger for cooling indoors, preferably embedded in an indoor wall surface. ,
(3) is an outdoor heat exchanger placed outdoors, (4) is v5
The tension valve, <5) is a four-way switching valve, (6) is a heat exchanger for heating and hot water supply, and (7) is an accumulator.
室内及び室外熱交換機（２＞（３）は、好しくはヒート
ポンプ式熱交換機であり、又圧縮機（１）はインバータ
制御により、所要の出力に相応する作動周波数で運転制
御される。室内熱交換機（２）には室温センサが、室外
熱交換ｆｉ（３）は熱交換センサがそれぞれ取り付けら
れる。The indoor and outdoor heat exchangers (2>(3) are preferably heat pump type heat exchangers, and the compressor (1) is controlled by an inverter at an operating frequency corresponding to the required output. Indoor heat A room temperature sensor is attached to the exchanger (2), and a heat exchange sensor is attached to the outdoor heat exchanger fi (3).
暖房・給湯用熱交換機（６）は、第２〜５図に示すよう
に、中心の第１管（８）、該第１管（８）の外周に位置
する第２管（９）、及び第２管（９）の外周に位置する
第３管（１０）の三重の管構造からなり、第１管（８）
及び第３管（１０）には被加熱流体である水（ｕ）（１
２）が、第２管（９）は高温、高圧の冷媒ガス（１３）
が、それぞれ流され、水（１１）（１２）と冷媒ガス（
１３）とは向流又は平行流にて、冷媒ガス（１３）の内
方及び外方を流過する間に水（１１）（１２）は熱交換
されて温水となる。As shown in FIGS. 2 to 5, the heating/hot water supply heat exchanger (6) includes a first pipe (8) in the center, a second pipe (9) located on the outer periphery of the first pipe (8), and It consists of a triple pipe structure with a third pipe (10) located on the outer periphery of the second pipe (9), and the first pipe (8)
And the third pipe (10) contains water (u) (1
2), but the second pipe (9) is a high temperature, high pressure refrigerant gas (13)
are respectively flown, water (11) (12) and refrigerant gas (
13), the water (11) and (12) exchange heat and become hot water while flowing inside and outside the refrigerant gas (13) in countercurrent or parallel flow.
第１管（８）には、給湯回路（１５）が接続され、第３
管（１０）には暖房回路（１４）が接続される。暖房回
路（１４）には、暖房用循環ポンプ（１６）と床暖房用
コイルヒータ（１７）が接続され、給湯回路（１５）に
は給湯用循環ポンプ（１８）と貯湯槽（１９）が接続さ
れ、更に流量制御弁（２０）が配設される。流量制御弁
（２０）は、その受圧部を冷媒高圧回路の圧力検出部（
２１）に介設され、冷媒圧力を検出して給湯回路（１５
）の流量を制御するものであり、冷媒圧力が充分でない
ときに、給湯運転を制限し、低温の温水が貯湯槽（１９
）に送られないようにすると共に、暖房優先を図ってい
る。A hot water supply circuit (15) is connected to the first pipe (8), and the third pipe (8) is connected to a hot water supply circuit (15).
A heating circuit (14) is connected to the pipe (10). The heating circuit (14) is connected to a heating circulation pump (16) and a floor heating coil heater (17), and the hot water supply circuit (15) is connected to a hot water circulation pump (18) and a hot water storage tank (19). Further, a flow control valve (20) is provided. The flow control valve (20) connects its pressure receiving part to the pressure detection part (
21), detects the refrigerant pressure and connects the hot water supply circuit (15).
), and when the refrigerant pressure is insufficient, the hot water supply operation is restricted and low-temperature hot water flows into the hot water storage tank (19
), and prioritize heating.
四方切換弁（５）を切り換えることにより、冷房サイク
ル又は暖房サイクルの切り換えがなされ、暖房運転又は
冷房運転を行うことができると共に、給湯用循環ポンプ
（１８）を駆動して貯湯槽（１９）から給湯回路（１５
）に水を循環させて給湯運転を行うことが出来る。した
がって、これら冷房、暖房、給湯を組み合わせることに
より、冷房単独、暖房単独、給湯単独、並びに冷房・給
湯併行、暖房・給湯併行の各運転モードで運転を行うこ
とが出来る。By switching the four-way switching valve (5), the cooling cycle or heating cycle can be switched, and heating operation or cooling operation can be performed, and the hot water supply circulation pump (18) can be driven to supply hot water from the hot water storage tank (19). Hot water circuit (15
) can perform hot water supply operation by circulating water. Therefore, by combining these cooling, heating, and hot water supply operations, it is possible to operate in each of the following operation modes: cooling alone, heating alone, hot water supply alone, cooling and hot water supply in parallel, and heating and hot water supply in parallel.
更に、暖房回路（１４）は冷房、若しくは給湯とは別個
独立して熱交換を行うことが出来るため、暖房用循環ポ
ンプ（１６）の駆動により、冷房運転とｆＪＦ行して暖
房運転を行うことが可能となる。この結果、冷気の降下
による床面の冷えすぎを暖房運転の併行により床面暖房
を行って防止することが出来る。Furthermore, since the heating circuit (14) can perform heat exchange independently from cooling or hot water supply, the heating circulation pump (16) can be driven to perform heating operation in combination with cooling operation. becomes possible. As a result, it is possible to prevent the floor surface from becoming too cold due to falling cold air by heating the floor surface in parallel with the heating operation.
第６図は、暖房、給湯単独若しくは両背併行の運転モー
ドでの回路構成と、冷媒の流れを示し、圧縮機（１）で
圧縮された高温・高圧の冷媒は四方切換弁（５）の第１
ボートから第２ボートに流れ暖房・給湯用熱交換機（６
）を通って、膨張弁（４）を経て減圧され、室外熱交換
機（３）に至り、外気と熱交換して吸熱した後、圧縮機
（１）に帰還する暖房、給湯サイクルを構成する。そこ
で、循環ポンプ（１６）、（１８）を駆動して暖房回路
（１４）若しくは給湯回路（１５）の水を循環すること
により暖房若しくは給湯を行うことが出来るのであり、
暖房又は給湯単独、或は両者の併行運転が可能である。Figure 6 shows the circuit configuration and refrigerant flow in heating, hot water supply only, or both parallel operation modes. 1st
Heat exchanger (6
), the pressure is reduced through the expansion valve (4), the air reaches the outdoor heat exchanger (3), and after exchanging heat with the outside air and absorbing heat, it returns to the compressor (1), forming a heating and hot water supply cycle. Therefore, by driving the circulation pumps (16) and (18) to circulate water in the heating circuit (14) or hot water supply circuit (15), heating or hot water supply can be performed.
It is possible to operate heating or hot water supply alone, or both in parallel.
冷房単独運転モードでは、第７図に示すように、四方切
換弁（５）は第１、第・ｌボートが接続され、圧縮機（
１）から吐出された高温 高圧の冷媒は室外熱交換機（
３）で冷却、凝縮され、更に３３張弁（４）で減圧され
て、室内熱交換機（２）に至り、ここで蒸発して、その
ときの潜熱で室内空気を冷却し、その後アキュームレー
タ（７）を通って圧縮機（１）に帰る。In the cooling individual operation mode, as shown in Fig. 7, the four-way switching valve (5) is connected to the first and second boats, and the compressor (
1) The high temperature and high pressure refrigerant discharged from the outdoor heat exchanger (
It is cooled and condensed in step 3), and further depressurized in step 33 tension valve (4) to reach indoor heat exchanger (2), where it evaporates and uses the latent heat at that time to cool indoor air. ) and returns to the compressor (1).
冷房・給湯併行運転では、第８図に示ｔように、冷房単
独運転回路から四方切換弁（５）が第１、第２ボートが
接続するように切り換えられ、圧５ｔｉ（１〉からの高
温・高圧の冷媒は、暖房・給湯用熱交換機（６）を通っ
て、膨張弁（４）で減圧され、室内熱交換ｆｉ（２）に
至る。そして、ここで室内空気を冷却した後、アキュー
ムレータ（７）を通って圧縮機（１）に帰る。したがっ
て、給湯回路（１５）を駆動することにより暖房・給湯
用熱交換ｆｌ（６）で給湯用温水を生成することが出来
ると共に、暖房回路（１４）を駆動して床暖房を冷房と
併行して行うことが出来るのである。In the cooling/hot water simultaneous operation, as shown in FIG.・The high-pressure refrigerant passes through the heat exchanger for heating and hot water supply (6), is depressurized by the expansion valve (4), and reaches the indoor heat exchange fi (2).Then, after cooling the indoor air here, it is transferred to the accumulator. (7) and returns to the compressor (1).Therefore, by driving the hot water supply circuit (15), hot water for hot water supply can be generated by the heat exchange fl (6) for heating and hot water supply, and the heating circuit By driving (14), floor heating can be performed simultaneously with air conditioning.
このように、冷房運転中においても給湯、暖房を同時に
達成することが可能であり、冷房による床面の冷却を有
効に防止することが出来るのである。In this way, hot water supply and heating can be achieved simultaneously even during cooling operation, and cooling of the floor surface due to air conditioning can be effectively prevented.
第１図はこの発明に係る冷暖房・給湯システムの回路図
、第２図は暖房給湯用熱交換機の外観斜視図、第３図は
同一部の断面斜視図、第４図は同縦断面図、第５図は同
縦断側面図、第６〜８図は各運転モードにおける回路構
成図である。
（１）・・・圧縮機 （２）・・・冷房用室内熱
交換機（３）・・・室外熱交換Ｉｌｌ （４）・・・
膨張弁（５）・・・四方切換弁
（６）・・・暖房・給湯用熱交換機
（７）・・・アキュームレータ
（８）・・・第１管 （９）・・・第２管り１０
）・・第３管 （１１）（１２）・・・水（１３
）・・冷媒ガス （１４）・・・暖房回路（１５）
・・・給湯回路 （１６）・・・暖房用循環ポンプ
（１７）・・・床暖房用コイルヒータ
（１８）・・・給湯用循環ポンプ
（１９）・・貯湯槽 （２０）・・・流量制御弁
（２１）・・・圧力検出部
特許出願人 サンウェーブ工業株式会社第２図
第！ｆ−図
ｌ
第ダ図Fig. 1 is a circuit diagram of an air conditioning/hot water supply system according to the present invention, Fig. 2 is an external perspective view of a heat exchanger for heating and hot water supply, Fig. 3 is a sectional perspective view of the same part, and Fig. 4 is a longitudinal sectional view of the same. FIG. 5 is a longitudinal sectional side view of the same, and FIGS. 6 to 8 are circuit configuration diagrams in each operation mode. (1)...Compressor (2)...Indoor heat exchanger for cooling (3)...Outdoor heat exchange Ill (4)...
Expansion valve (5)...Four-way switching valve (6)...Heat exchanger for heating/hot water supply (7)...Accumulator (8)...First pipe (9)...Second pipe 10
)...Third pipe (11)(12)...Water (13
)...Refrigerant gas (14)...Heating circuit (15)
... Hot water supply circuit (16) ... Circulation pump for heating (17) ... Coil heater for floor heating (18) ... Circulation pump for hot water supply (19) ... Hot water storage tank (20) ... Flow rate Control valve (21)...Pressure detection unit Patent applicant Sunwave Industries Co., Ltd. Figure 2! f-Figure l Figure D
Claims (1)
熱交換機（６）、室外熱交換機（３）、室内熱交換機（
２）並びに膨張弁（４）を含む回路からなり、冷媒の圧
縮、膨張、凝縮サイクルによつて冷暖房並びに給湯を行
うようにした冷暖房給湯システムであって、暖房・給湯
用熱交換機（６）は、高温・高圧の冷媒が流過する管の
内外にこれと向流又は平行流して熱交換する被加熱流体
が流過する２本の管を配した三重管構造からなり、流過
被加熱流体が流過する管の一方を給湯回路に、他方を暖
房回路に接続して、冷房・暖房並びに給湯の併行運転を
可能としたことを特徴とする冷暖房給湯システム。(1) Compressor (1), four-way switching valve (5), heating/hot water heat exchanger (6), outdoor heat exchanger (3), indoor heat exchanger (
2) and an expansion valve (4), the air conditioning/heating/hot water supply system performs air conditioning, heating, and hot water supply through a refrigerant compression, expansion, and condensation cycle, and the heating/hot water heat exchanger (6) is It has a triple-pipe structure with two pipes through which a heated fluid flows in countercurrent or parallel flow to the inside and outside of the pipe through which a high-temperature, high-pressure refrigerant flows, and a heated fluid flows through the pipe to exchange heat. An air-conditioning, heating, and hot-water supply system characterized in that one of the pipes through which water flows is connected to a hot-water supply circuit, and the other to a heating circuit, thereby making it possible to operate cooling, heating, and hot-water supply in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63082789A JPH01256754A (en) | 1988-04-04 | 1988-04-04 | Cooling/heating and hot water supplying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63082789A JPH01256754A (en) | 1988-04-04 | 1988-04-04 | Cooling/heating and hot water supplying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01256754A true JPH01256754A (en) | 1989-10-13 |
Family
ID=13784173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63082789A Pending JPH01256754A (en) | 1988-04-04 | 1988-04-04 | Cooling/heating and hot water supplying system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01256754A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006017376A (en) * | 2004-07-01 | 2006-01-19 | Daikin Ind Ltd | Water heater |
| JP2009243747A (en) * | 2008-03-31 | 2009-10-22 | Sharp Corp | Heat pump type hot water supply heater |
| JP2009250481A (en) * | 2008-04-03 | 2009-10-29 | Sharp Corp | Hot water supplying heating system |
| JP2013221630A (en) * | 2012-04-12 | 2013-10-28 | Rinnai Corp | Heat pump heat source system |
| WO2014087700A1 (en) * | 2012-12-04 | 2014-06-12 | シャープ株式会社 | Heat pump heat supply system |
| JP2014214998A (en) * | 2013-04-26 | 2014-11-17 | リンナイ株式会社 | Hot water supply system |
| JP2016080194A (en) * | 2014-10-09 | 2016-05-16 | リンナイ株式会社 | Heat pump system |
| CN107238234A (en) * | 2017-07-19 | 2017-10-10 | 珠海格力电器股份有限公司 | Heat exchanger and hot water supply system |
| FR3086995A1 (en) * | 2018-10-08 | 2020-04-10 | Societe Industrielle De Chauffage (Sic) | COMBINED DEVICE FOR HEATING DOMESTIC WATER AND HEATING WATER OF A PREMISES WITH THREE FLUID HEAT EXCHANGER |
| FR3086996A1 (en) * | 2018-10-08 | 2020-04-10 | Societe Industrielle De Chauffage (Sic) | WALL MOUNTED DEVICE FOR HEATING DOMESTIC WATER AND HEATING WATER OF A PREMISES |
| FR3086997A1 (en) * | 2018-10-08 | 2020-04-10 | Societe Industrielle De Chauffage (Sic) | COMBINED DEVICE FOR THE SIMULTANEOUS HEATING OF DOMESTIC WATER AND HEATING WATER OF A PREMISES |
-
1988
- 1988-04-04 JP JP63082789A patent/JPH01256754A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006017376A (en) * | 2004-07-01 | 2006-01-19 | Daikin Ind Ltd | Water heater |
| JP2009243747A (en) * | 2008-03-31 | 2009-10-22 | Sharp Corp | Heat pump type hot water supply heater |
| JP2009250481A (en) * | 2008-04-03 | 2009-10-29 | Sharp Corp | Hot water supplying heating system |
| JP2013221630A (en) * | 2012-04-12 | 2013-10-28 | Rinnai Corp | Heat pump heat source system |
| WO2014087700A1 (en) * | 2012-12-04 | 2014-06-12 | シャープ株式会社 | Heat pump heat supply system |
| JP2014109430A (en) * | 2012-12-04 | 2014-06-12 | Sharp Corp | Heat-pump heat source system |
| JP2014214998A (en) * | 2013-04-26 | 2014-11-17 | リンナイ株式会社 | Hot water supply system |
| JP2016080194A (en) * | 2014-10-09 | 2016-05-16 | リンナイ株式会社 | Heat pump system |
| CN107238234A (en) * | 2017-07-19 | 2017-10-10 | 珠海格力电器股份有限公司 | Heat exchanger and hot water supply system |
| CN107238234B (en) * | 2017-07-19 | 2024-05-24 | 珠海格力电器股份有限公司 | Heat exchanger and hot water supply system |
| FR3086995A1 (en) * | 2018-10-08 | 2020-04-10 | Societe Industrielle De Chauffage (Sic) | COMBINED DEVICE FOR HEATING DOMESTIC WATER AND HEATING WATER OF A PREMISES WITH THREE FLUID HEAT EXCHANGER |
| FR3086996A1 (en) * | 2018-10-08 | 2020-04-10 | Societe Industrielle De Chauffage (Sic) | WALL MOUNTED DEVICE FOR HEATING DOMESTIC WATER AND HEATING WATER OF A PREMISES |
| FR3086997A1 (en) * | 2018-10-08 | 2020-04-10 | Societe Industrielle De Chauffage (Sic) | COMBINED DEVICE FOR THE SIMULTANEOUS HEATING OF DOMESTIC WATER AND HEATING WATER OF A PREMISES |
| EP3637013A1 (en) * | 2018-10-08 | 2020-04-15 | Societe Industrielle de Chauffage (SIC) | Combined device for simultaneous heating of domestic water and water for heating a room |
| EP3637014A1 (en) * | 2018-10-08 | 2020-04-15 | Societe Industrielle de Chauffage (SIC) | Combined device for heating of domestic water and water for heating a room with three-fluid heat exchanger |
| EP3637012A1 (en) * | 2018-10-08 | 2020-04-15 | Societe Industrielle de Chauffage (SIC) | Combined wall device for heating of domestic water and water for heating a room |
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