JPS60248947A - Heat pump device for hot water supply - Google Patents

Heat pump device for hot water supply

Info

Publication number
JPS60248947A
JPS60248947A JP59106732A JP10673284A JPS60248947A JP S60248947 A JPS60248947 A JP S60248947A JP 59106732 A JP59106732 A JP 59106732A JP 10673284 A JP10673284 A JP 10673284A JP S60248947 A JPS60248947 A JP S60248947A
Authority
JP
Japan
Prior art keywords
water
hot water
piping
heat pump
city
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.)
Pending
Application number
JP59106732A
Other languages
Japanese (ja)
Inventor
Masaki Komatsu
正樹 小松
Michio Otsubo
道夫 大坪
Kazunushi Saegusa
三枝　一主
Takane Suzuki
鈴木　たかね
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP59106732A priority Critical patent/JPS60248947A/en
Publication of JPS60248947A publication Critical patent/JPS60248947A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

PURPOSE:To reduce the heat loss from a water piping on hot water supply load side to ambient air by a constitution wherein a water piping for supplying city water and the water piping on the return side of a water piping on load side are formed of double heat exchange style or of double tube bundle type. CONSTITUTION:A water piping 16a for supplying city water and the water piping 16b on the side returning to a hot water storage tank 2 of a water piping 9 on load side are arranged so as to form a double heat exchange configuration by laying the water piping 16a for supplying city water from a city-water intake in parallel to and onto the outside of the water piping 16b on the return side. As a result, the heat loss from the water piping on load side can be reduced.

Description

【発明の詳細な説明】 〔発明の技術分野〕 この発明は、ヒートポンプＩを用いて貯湯槽の水を加熱
する給湯用ヒートポンプ装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a heat pump device for hot water supply that uses a heat pump I to heat water in a hot water storage tank.

〔従来技術〕[Prior art]

従来、この種の装置としては＠、ｉ図に示すものがあっ
た。この第１図において、１は加熱用ヒートポンプ、２
は貯湯槽である。加熱用ヒートポンプ１と貯湯槽２は水
配管３ａ、３ｂで連結されており、水配管３ｂには循環
ポンプ４が設けられている。Conventionally, there have been devices of this type as shown in Figures ＠ and i. In this FIG. 1, 1 is a heating heat pump, 2
is a hot water tank. The heating heat pump 1 and the hot water storage tank 2 are connected by water pipes 3a and 3b, and a circulation pump 4 is provided in the water pipe 3b.

、また、水配管３ｂにおいて、貯湯槽２と循環ポンプ４
間には、市水合流分岐８があり、この市水合流分岐８と
市水取入口５との間には、電磁弁６、流量調整用電動弁
７が設けられている。, Also, in the water pipe 3b, the hot water tank 2 and the circulation pump 4
In between, there is a city water merging branch 8, and between this city water merging branch 8 and the city water intake 5, a solenoid valve 6 and an electric valve 7 for adjusting the flow rate are provided.

貯湯槽２には水温センサ１２と水位レベルスイッチ１４
が設けられており、加熱用ヒートポンプ１の出口側の水
配管３ａにも水温センサ１５が設けられている。水温セ
ンサ１２４１５、水位レベルスイッチ１４の出力は制御
装置１３に送られるようになっている。この制御装置１
３により、循環ポンプ４、電磁弁６、流量調整用電動弁
７、加熱用ヒートポンプ１を制御するようになっている
。The hot water tank 2 is equipped with a water temperature sensor 12 and a water level switch 14.
A water temperature sensor 15 is also provided in the water pipe 3a on the outlet side of the heating heat pump 1. The outputs of the water temperature sensor 12415 and the water level switch 14 are sent to the control device 13. This control device 1
3 controls the circulation pump 4, the electromagnetic valve 6, the electric valve 7 for flow rate adjustment, and the heat pump 1 for heating.

さらに、貯湯槽２には、負荷側の水配管９が連結されて
おり、この水配管９には、負荷側の循環ポンプ１０が設
けられており、また、複数個の給湯用の蛇口１１が設け
られている。Furthermore, a load side water pipe 9 is connected to the hot water storage tank 2, and this water pipe 9 is provided with a load side circulation pump 10, and a plurality of hot water supply faucets 11 are connected to the water pipe 9. It is provided.

次に動作について説明する。この給湯用ヒートポンプ装
置では、負荷側の循環ポンプ１０は常時オンしている。Next, the operation will be explained. In this heat pump device for hot water supply, the circulation pump 10 on the load side is always on.

蛇口１１より温水が使用されると、貯湯槽２への環水が
減じ、貯湯槽２内の水位は満水位レベルＡより下がる。When hot water is used from the faucet 11, the amount of water flowing into the hot water tank 2 decreases, and the water level in the hot water tank 2 falls below the full water level A.

この水位の低下は水位レベルスイッチ１４により検知さ
れ、制御装置１３により電磁弁６が開き、加熱用ヒート
ポンプ１および循環ポンプ４がオンする。This drop in water level is detected by the water level switch 14, and the control device 13 opens the solenoid valve 6, turning on the heating heat pump 1 and the circulation pump 4.

貯湯槽２への給水は、市水取入口５から電磁弁６、流量
調整用電動弁７より市水合流分岐８へ至り、水配管３ｂ
を介して循環ポンプ４に吸い込まれ、加熱用ヒートポン
プ１で加熱されて、水配管３ａを通って貯湯槽２へ供給
される。Water is supplied to the hot water storage tank 2 from a city water intake 5 through a solenoid valve 6 and a flow rate adjustment electric valve 7 to a city water merging branch 8, and then to a water pipe 3b.
The hot water is sucked into the circulation pump 4 via the heating pump 1, heated by the heating heat pump 1, and supplied to the hot water storage tank 2 through the water pipe 3a.

このとき、給水量は加熱用ヒートポンプ１の出口の水温
が一定になるように、開度調整された流量調整用電動弁
７により制御される。加熱用ヒートポンプ１への流入水
量は一定なので、その不足分の水は貯湯槽２より補給さ
れ、混合した水が加熱用ヒートポンプ１へ流入する。At this time, the amount of water supplied is controlled by the flow rate adjustment electric valve 7 whose opening degree is adjusted so that the water temperature at the outlet of the heating heat pump 1 is constant. Since the amount of water flowing into the heating heat pump 1 is constant, the insufficient amount of water is replenished from the hot water storage tank 2, and the mixed water flows into the heating heat pump 1.

このようにして、貯湯槽２の水位は次第に上が゛す、満
水位レベルＡに達すると、電磁弁６は閉じ、加熱用ヒー
トポンプ１、循環ポンプ４はオフする。In this way, the water level in the hot water storage tank 2 gradually rises, and when it reaches the full water level A, the solenoid valve 6 closes and the heating heat pump 1 and circulation pump 4 are turned off.

熱損失により貯湯槽２の水温が設定値より下がると、水
温センサ１２により検知され、制御装置１３により加熱
用ヒートポンプ１、循環ポンプ４をオンして保温運転を
行なう。　− 従来の給湯用ヒートポンプ装置は以上のように構成され
ているので、負荷側の水配管９からの損失が大きいとい
う欠点があった。When the water temperature in the hot water storage tank 2 falls below a set value due to heat loss, it is detected by the water temperature sensor 12, and the control device 13 turns on the heating heat pump 1 and the circulation pump 4 to perform a warming operation. - Since the conventional heat pump device for hot water supply is configured as described above, there is a drawback that the loss from the water piping 9 on the load side is large.

〔発明の概要〕[Summary of the invention]

この発明はかかる欠点を改善する目的でなされたもので
、負荷側の水配管９の貯湯槽２へのもどり側部分と、市
水取入口から市水合流分岐８までの水配管部分を二重形
態交換器式または二重管束形の水配管とすることにより
、負荷側の水配管からの熱損失を低減することができる
給湯用ヒートポンプ装置を提案するものである。This invention was made for the purpose of improving this drawback, and the part of the water piping 9 on the load side that returns to the hot water storage tank 2 and the part of the water piping from the city water intake to the city water merging branch 8 are doubled. This paper proposes a heat pump device for hot water supply that can reduce heat loss from the water piping on the load side by using water piping of the type exchanger type or double tube bundle type.

〔発明の実施例〕[Embodiments of the invention]

以下、この発明の給湯用ヒートポンプ装置の実施例につ
いて図面に基づき説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples of the heat pump device for hot water supply according to the present invention will be described below with reference to the drawings.

第２図はその一実施例の構成図であり、この第２図にお
いて、重複を避けるために、第１図と同一部分には同一
符号を付してその説明を省略し、第１図と異なる部分を
重点的に述べることにする。FIG. 2 is a configuration diagram of one embodiment. In this FIG. 2, in order to avoid duplication, the same parts as in FIG. I will focus on the different parts.

この第２図を第１図と比較しても明らかなように、第２
図では符号１〜１５で示す部分は第１図と同様であり、
符号１６ａｙｌｅｂで示す部分がこの発明によって新た
に付加され、この発明の特徴をなす部分である。As is clear from comparing this Figure 2 with Figure 1,
In the figure, the parts indicated by numerals 1 to 15 are the same as in Fig. 1,
A portion indicated by the reference numeral 16ayleb is newly added according to the present invention, and is a characteristic portion of the present invention.

すなわち、負荷側の水配管９より貯湯槽２へのもどり側
の水配管１６ｂの外側に、市水取入口５から市水供給用
水配管ｌｅａを並列的に配管して市水供給用水配管１６
ａともどり側の水配管１６ｂとの二重形態交換器式にし
ている。その他の構成は第１図と同様である。That is, the city water supply water pipe lea is piped in parallel from the city water intake 5 to the outside of the water pipe 16b on the return side from the load side water pipe 9 to the hot water storage tank 2.
A double exchanger type is used with the water pipe 16b on the return side and the water pipe 16b on the return side. The other configurations are the same as in FIG. 1.

次に動作について説明する。この発明の給湯用ヒートポ
ンプ装置では、負荷側の循環ポンプ１０は常時オンして
おり、貯湯槽２の温水は水配管９、二重形態交換器式の
内側のもどり側の水配管１６ｂを通り゛、再び貯湯槽２
へもどる。Next, the operation will be explained. In the heat pump device for hot water supply of this invention, the circulation pump 10 on the load side is always on, and the hot water in the hot water storage tank 2 passes through the water pipe 9 and the water pipe 16b on the inner return side of the dual exchanger type. , again hot water tank 2
Return to

蛇口１１より温水が使用されると、貯湯槽２への環水が
減じ、貯湯槽２内の水位は満水位レベルＡより下がる。When hot water is used from the faucet 11, the amount of water flowing into the hot water tank 2 decreases, and the water level in the hot water tank 2 falls below the full water level A.

この水位の低下は水位レベルスイッチ１４により検知さ
れ、制御装置１３により電磁弁６が開き、加熱用ヒート
ポンプ１および循環ポンプ４がオンする。This drop in water level is detected by the water level switch 14, and the control device 13 opens the solenoid valve 6, turning on the heating heat pump 1 and the circulation pump 4.

貯ｍ［２への給水は、市水取入口５から二重形態交換器
式の外側の市水供給用水配管１６ａを通り、電磁弁６、
流量調整用電動弁７を経て市水合流分岐８へ至り、水配
管３ｂを介して循環ポンプ４に吸い込まれ、加熱用ヒー
トポンプ１で加熱されて、水配管３ａを通って貯湯槽２
へ供給される。Water is supplied to the storage m[2 from the city water intake 5 through an outer city water supply pipe 16a of a double-format exchanger type, and then through a solenoid valve 6,
The city water reaches the confluence branch 8 via the electric valve 7 for flow rate adjustment, is sucked into the circulation pump 4 via the water pipe 3b, is heated by the heating heat pump 1, and flows through the water pipe 3a to the hot water storage tank 2.
supplied to

このとき、給水量は加熱用ヒートポンプ１の出口水温が
一定になるように、開度調整された流量調整用電動弁７
により制御される。加熱用ヒートポンプ１への流入水量
は一定なので、その不足分の水は貯湯槽２より補給され
、混合した水が加熱用ヒートポンプ１へ流入する。At this time, the flow rate adjustment electric valve 7 whose opening degree is adjusted so that the water supply amount is kept constant at the outlet water temperature of the heating heat pump 1.
controlled by Since the amount of water flowing into the heating heat pump 1 is constant, the insufficient amount of water is replenished from the hot water storage tank 2, and the mixed water flows into the heating heat pump 1.

このようにして、貯湯槽２の水位は次第に上がり、満水
位レベルＡに達すると、電磁弁６は閉じ、加熱用ヒート
ポンプ１、循環ポンプ４はオフする。In this way, the water level in the hot water tank 2 gradually rises, and when it reaches the full water level A, the solenoid valve 6 closes and the heating heat pump 1 and circulation pump 4 are turned off.

熱損失により、貯湯槽２の水温が設定値より下がると、
水温センサ１２により検知され、制御装置１３により、
加熱用ヒートポンプ１、循環ポンプ４をオンして保温運
転を行なう。When the water temperature in the hot water tank 2 drops below the set value due to heat loss,
Detected by the water temperature sensor 12, and controlled by the control device 13.
The heating heat pump 1 and circulation pump 4 are turned on to perform a heat retention operation.

なお、上記実施例では市水供給用水配管１６ａともどり
側の水配管１６ｂとによる二重形態交換器式の水配管と
したが、この市水供給用水配管１６ａともどり側の水配
管１６ｂに二重管束形の水配管を用いてもよい。In the above embodiment, the water piping is of a dual type exchanger type, consisting of the city water supply water pipe 16a and the return side water pipe 16b, but the city water supply water pipe 16a and the return side water pipe 16b have two A double bundled type of water piping may be used.

〔発明の効果〕〔Effect of the invention〕

この発明は以上説明したとおり、市水供給用水配管と負
荷側の水配管のもどり側の水配管とを二重形態交換器式
または二重管束形とする水配管で構成したので、給湯負
荷側の水配管から周囲空気への熱損失を低減する効果が
ある。As explained above, in this invention, the city water supply water piping and the water piping on the return side of the water piping on the load side are configured with water piping of the dual type exchanger type or the double pipe bundle type. This has the effect of reducing heat loss from water piping to the surrounding air.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の給湯用ヒートポンプ装置の構成を示す図
、第２図はこの発明の給湯用ヒートポンプ装置の一実施
例の構成を示す図である。 １・・・加熱用ヒートポンプ、２・・・貯湯槽、３ａ、
３ｂ・・・水配管、４・・・循環ポンプ、５・・・市水
取入口、６・・・電磁弁、７・・・流量調整用電動弁、
８・・・市水合流分岐、９・・・負荷側の水配管、１０
・・・循環ポンプ、１１・・・蛇口、１２．１５・・・
水温センサ、１３・・・制御装置、１４・・・水位レベ
ルスイッチ、１６ａ・・・市水供給用水配管、１６１〕
・・・もどり側の水配管。 なお、図中同一符号は同一または相当部分を示す。 代理人　大岩　増雄（ほか２名） 々）FIG. 1 is a diagram showing the configuration of a conventional heat pump device for hot water supply, and FIG. 2 is a diagram showing the configuration of an embodiment of the heat pump device for hot water supply according to the present invention. 1... Heat pump for heating, 2... Hot water storage tank, 3a,
3b...Water piping, 4...Circulation pump, 5...Municipal water intake, 6...Solenoid valve, 7...Electric valve for flow rate adjustment,
8...City water confluence branch, 9...Water piping on the load side, 10
...Circulation pump, 11...Faucet, 12.15...
Water temperature sensor, 13...Control device, 14...Water level switch, 16a...Water piping for city water supply, 161]
...Water piping on the return side. Note that the same reference numerals in the figures indicate the same or corresponding parts. Agent Masuo Oiwa (and 2 others)

Claims (1)

【特許請求の範囲】[Claims] 加熱用ヒートポンプにより加熱した水を貯湯槽に送り、
この貯湯槽に連結した負荷側の水配管に給湯用の蛇口を
備え、貯湯槽の水位低下時に市水を給水しかつ貯湯槽の
水温低下時に加熱用ヒートポンプと貯湯槽間に温水が循
環するように保温運転を行なう給湯用ヒートポンプ装置
において、上記負荷側の貯湯槽へのもどり側の水配管を
内側としかつ市水取入口に連通する市水供給用水配管を
外側とした二重形態交換器式あるいはこのもどり配管側
の水配管とともに市水供給用水配管を二重管束形とする
ことを特徴とする給湯用ヒートポンプ装置。Water heated by a heating heat pump is sent to a hot water storage tank,
The load-side water pipe connected to this hot water tank is equipped with a faucet for hot water supply, so that when the water level in the hot water tank drops, city water is supplied, and when the water temperature in the hot water tank drops, hot water circulates between the heating heat pump and the hot water tank. In a heat pump system for hot water supply that performs heat-retaining operation, a dual-format exchanger type is used in which the water piping on the return side to the hot water storage tank on the load side is on the inside, and the water piping for city water supply that communicates with the city water intake is on the outside. Alternatively, a heat pump device for hot water supply characterized in that the water piping for supplying city water is of a double pipe bundle type together with the water piping on the return piping side.
JP59106732A 1984-05-23 1984-05-23 Heat pump device for hot water supply Pending JPS60248947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59106732A JPS60248947A (en) 1984-05-23 1984-05-23 Heat pump device for hot water supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59106732A JPS60248947A (en) 1984-05-23 1984-05-23 Heat pump device for hot water supply

Publications (1)

Publication Number Publication Date
JPS60248947A true JPS60248947A (en) 1985-12-09

Family

ID=14441104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59106732A Pending JPS60248947A (en) 1984-05-23 1984-05-23 Heat pump device for hot water supply

Country Status (1)

Country Link
JP (1) JPS60248947A (en)

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