JPH0319467B2 - - Google Patents
Info
- Publication number
- JPH0319467B2 JPH0319467B2 JP6966583A JP6966583A JPH0319467B2 JP H0319467 B2 JPH0319467 B2 JP H0319467B2 JP 6966583 A JP6966583 A JP 6966583A JP 6966583 A JP6966583 A JP 6966583A JP H0319467 B2 JPH0319467 B2 JP H0319467B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- pump
- hot water
- detected
- gas burner
- 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.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 91
- 239000000446 fuel Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
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)
Description
【発明の詳細な説明】 本発明は、給湯装置に関する。[Detailed description of the invention] The present invention relates to a water heater.
従来からのヒートポンプを用いた給湯装置で
は、外気温が低下すると加熱能力が低下し、また
着霜が生じて運転の停止または除霜制御が必要と
なる。またこのようなヒートポンプでは、得られ
る湯温は、せいぜいたとえば55℃位までであり、
しかも上述のように加熱能力が低いので、加熱に
時間がかかり、これによつて貯湯容量を大きくせ
ざるをえないことがあつた。 In conventional water heaters using heat pumps, when the outside temperature drops, the heating capacity decreases, and frost formation occurs, making it necessary to stop operation or defrost control. In addition, with this kind of heat pump, the temperature of the hot water that can be obtained is at most, for example, 55 degrees Celsius.
Moreover, as mentioned above, since the heating capacity is low, it takes time to heat up, which sometimes necessitates increasing the hot water storage capacity.
従来からのガス燃料を行なつて給湯を行なう貯
湯式の給湯装置では、その効率はせいぜい70％程
度であり、熱効率が悪い。 Conventional hot water storage systems that use gas fuel to supply hot water have an efficiency of about 70% at best, which is poor thermal efficiency.
本発明の目的は、貯湯温度を高くすることがで
き、しかも貯湯容量が小さくて済み、省エネルギ
化を図つた給湯装置を提供することである。 SUMMARY OF THE INVENTION An object of the present invention is to provide a water heater that can increase the temperature of hot water stored in the hot water, requires only a small hot water storage capacity, and achieves energy savings.
本発明は、ヒートポンプ１と、
そのヒートポンプ１の凝縮器３に関連して設け
られた第１熱交換機１１と、
ガスバーナ９と、そのガスバーナ９によつて加
熱される第２熱交換機１０とを有するガス給湯器
８と、
貯湯槽１３と、
第１熱交換機１１と第２熱交換機１０と貯湯槽
１３とにこの順序で水を循環するポンプ１５とを
備え、
第２熱交換機１０からの水は、貯湯槽１３の上
部に供給され、貯湯槽１３の下部からポンプ１５
に水が供給され、
第２熱交換機１０の出口の水の温度を検出する
第１温度検出器Th１と、
貯湯槽１３の高さの上方寄りに設けられ、貯湯
される水の温度を検出する第２温度検出器Th２
と、
貯湯槽１３の下部からポンプ１５に供給される
水の温度を検出する第３温度検出器Th３と、
制御手段１８であつて、(a)第３温度検出器Th
３によつて検出される温度が予め定める第１の温
度未満では、ヒートポンプ１を動作させ、かつガ
スバーナ９を消火し、かつポンプ１５の流量を、
第１温度検出器Th１によつて検出される温度が
予め定める第２の温度となるように制御し、(b)第
３温度検出器Th３によつて検出される温度が第
１温度になつたとき、または第３温度検出器Th
３によつて検出される温度が第１の温度未満であ
つてかつヒートポンプの動作時間が予め定める時
間経過したとき、ヒートポンプを休止し、かつガ
スバーナ９に一定の流量のガス燃料を供給して着
火し、かつ第１温度検出器Th１によつて検出さ
れる温度が予め定める第３の温度になるようにポ
ンプ１５の流量を制御し、(c)温度検出器Th３に
よつて検出される温度が第３の温度の近傍であつ
て第３温度未満である第４の温度（80−β）にな
つたとき、ガスバーナ９を消火し、(d)第２温度検
出器Th２によつて検出される温度が第４の温度
（80−β）から予め定める第５の温度（80−δ）
になるまで、ヒートポンプ１を休止し、かつガス
バーナ９を消火し、(e)第２温度検出器Th２によ
つて検出される温度が第５の温度（80−δ）未満
になるとガスバーナ９に一定の流量のガス燃料を
供給して着火し、かつ第１温度検出器Th１によ
つて検出される温度が第３の温度になるようにポ
ンプ１５の流量を制御し、(f)第２温度検出器Th
２によつて検出される温度が第３の温度になつた
とき、ガスバーナ９を消火し、かつポンプ１５を
停止させ、以下、前記動作(e)および(f)を行う制御
手段１８とを含むことを特徴とする給湯装置であ
る。 The present invention includes a heat pump 1, a first heat exchanger 11 provided in association with a condenser 3 of the heat pump 1, a gas burner 9, and a second heat exchanger 10 heated by the gas burner 9. It is equipped with a gas water heater 8, a hot water storage tank 13, and a pump 15 that circulates water through the first heat exchanger 11, the second heat exchanger 10, and the hot water storage tank 13 in this order, and the water from the second heat exchanger 10 is , the hot water is supplied to the upper part of the hot water storage tank 13, and the pump 15 is supplied from the lower part of the hot water storage tank 13.
A first temperature detector Th1 detects the temperature of the water at the outlet of the second heat exchanger 10, and a first temperature detector Th1 is provided near the upper level of the hot water storage tank 13 and detects the temperature of the stored water. Second temperature detector Th2
and a third temperature detector Th3 that detects the temperature of water supplied to the pump 15 from the lower part of the hot water storage tank 13;
3 is lower than a predetermined first temperature, the heat pump 1 is operated, the gas burner 9 is extinguished, and the flow rate of the pump 15 is reduced.
(b) the temperature detected by the third temperature detector Th3 becomes the first temperature; or the third temperature sensor Th
When the temperature detected by 3 is lower than the first temperature and the heat pump operation time has elapsed for a predetermined time, the heat pump is stopped and a constant flow rate of gas fuel is supplied to the gas burner 9 to ignite it. and (c) the flow rate of the pump 15 is controlled so that the temperature detected by the first temperature detector Th1 becomes a predetermined third temperature, and (c) the temperature detected by the temperature detector Th3 is When the fourth temperature (80-β), which is near the third temperature and lower than the third temperature, is reached, the gas burner 9 is extinguished, and (d) the temperature is detected by the second temperature detector Th2. The temperature is a predetermined fifth temperature (80-δ) from the fourth temperature (80-β).
(e) When the temperature detected by the second temperature sensor Th2 becomes less than the fifth temperature (80-δ), the heat pump 1 is stopped and the gas burner 9 is extinguished. ignition by supplying gas fuel at a flow rate of , and controlling the flow rate of the pump 15 so that the temperature detected by the first temperature detector Th1 becomes a third temperature, (f) second temperature detection Vessel Th
control means 18 for extinguishing the gas burner 9 and stopping the pump 15 when the temperature detected by the controller 2 reaches a third temperature; This water heater is characterized by the following.
第１図は、本発明の一実施例の系統図である。
ヒートポンプ１は、熱交換器２を構成する凝縮器
３と、その凝縮器３からの高温高圧ガスが導かれ
るキヤピラリ４と、キヤピラリ４からの低温低圧
ガスが導かれる蒸発器５と、アキユムレータ６
と、コンプレツサ７とを含む。蒸発器５は、屋外
などに設けられている。コンプレツサ７は、電動
機などによつて駆動される。 FIG. 1 is a system diagram of one embodiment of the present invention.
The heat pump 1 includes a condenser 3 constituting a heat exchanger 2, a capillary 4 to which high-temperature, high-pressure gas from the condenser 3 is guided, an evaporator 5 to which low-temperature, low-pressure gas from the capillary 4 is guided, and an accumulator 6.
and a compressor 7. The evaporator 5 is installed outdoors. The compressor 7 is driven by an electric motor or the like.
燃焼給湯器としてのガス給湯器８は、ガスバー
ナ９と、熱交換機１０とを含む。熱交換機２の熱
交換室１１において加熱された水は、後述のよう
に選択的に熱交換機１０によつて加熱され、管路
１２から貯湯槽１３の上部に導かれる。貯湯槽１
３の下部からの水は、管路１４からポンプ１５に
よつて圧送され、熱交換室１１に導かれる。貯湯
槽１３の上部からは、管路１６を経て給湯され
る。貯湯槽１３の下部には、管路１７から水道水
などが給水される。管路１２には、ガス給湯器８
から貯湯槽１３に向つてサーミスタなどの温度検
出器Th１およびTh４がこの順序で設けられる。
管路１４には、温度検出器Th３が設けられ、貯
湯槽１３からの湯温が測定される。貯湯槽１３に
は、その貯湯槽の高さの上から1/3程度の位置に
温度検出器Th２が設けられる。ポンプ１５によ
る循環流量は、温度検出器Th１からの出力によ
つて後述のように制御される。 A gas water heater 8 as a combustion water heater includes a gas burner 9 and a heat exchanger 10. The water heated in the heat exchange chamber 11 of the heat exchanger 2 is selectively heated by the heat exchanger 10 as described below, and is led to the upper part of the hot water storage tank 13 through the pipe line 12. Hot water tank 1
Water from the lower part of 3 is pumped through pipe 14 by pump 15 and led to heat exchange chamber 11 . Hot water is supplied from the upper part of the hot water storage tank 13 through a pipe 16. Tap water or the like is supplied to the lower part of the hot water storage tank 13 from a pipe 17. A gas water heater 8 is connected to the pipe line 12.
Temperature detectors Th1 and Th4, such as thermistors, are provided in this order toward the hot water storage tank 13.
A temperature detector Th3 is provided in the pipe line 14, and the temperature of the hot water from the hot water storage tank 13 is measured. A temperature sensor Th2 is provided in the hot water storage tank 13 at a position about 1/3 from above the height of the hot water storage tank. The circulation flow rate by the pump 15 is controlled by the output from the temperature sensor Th1 as described below.
温度検出器Th４は、温度検出器Th１が故障し
たときにおいても温度を検出して異常に高い温度
になることを防ぐために設けてある。 The temperature detector Th4 is provided to detect the temperature and prevent the temperature from becoming abnormally high even when the temperature detector Th1 fails.
第２図は、ガス給湯器の特性を示すグラフであ
る。ポンプ１５による流量Ｖに依存してガス給湯
器８の熱交換機１０における入口と出口との温度
差ΔTが変化する。ポンプ１５の流量が大きくな
るにつれて、熱交換機１０による水の上昇温度は
小さくなる。このことによつて、ポンプ１５の流
量を変化すれば熱交換機１０から得られる水の温
度を制御することがわかる。このときガスバーナ
９の燃焼状態は一定に保たれている。 FIG. 2 is a graph showing the characteristics of a gas water heater. The temperature difference ΔT between the inlet and outlet of the heat exchanger 10 of the gas water heater 8 changes depending on the flow rate V of the pump 15. As the flow rate of the pump 15 increases, the temperature rise of the water by the heat exchanger 10 decreases. This shows that the temperature of the water obtained from the heat exchanger 10 can be controlled by changing the flow rate of the pump 15. At this time, the combustion state of the gas burner 9 is kept constant.
第３図は、第１図および第２図に示された実施
例の電気的構成を示すブロツク図である。温度検
出器Th１〜Th４は、制御回路１８に接続されて
いる。制御回路１８は、プログラム動作を行な
い、コンプレツサ７およびバーナ９のオン・オフ
制御を行なうとともに、ポンプ１５の速度を制御
して流量を制御する。 FIG. 3 is a block diagram showing the electrical configuration of the embodiment shown in FIGS. 1 and 2. FIG. The temperature detectors Th1 to Th4 are connected to the control circuit 18. The control circuit 18 performs a program operation, controls the compressor 7 and the burner 9 on and off, and controls the speed of the pump 15 to control the flow rate.
電源を投入し、この時、温度検出器Th３によ
つて検出される湯温が例えば35℃未満であるとき
には、制御回路１８はコンプレツサ７を駆動し、
ヒートポンプ１が動作される。ガスバーナ９は消
火されている。ポンプ１５の流量は、温度検出器
Th１による湯温が55℃になるように制御される。
電源投入と同時に、制御回路１８に備えられてい
るタイマ２０が作動し、刻時動作を行なう。温度
検出器Th３によつて検出された湯温が35℃にな
つたときには貯湯槽１３内の湯温が約55℃であ
る。(a)この温度検出器Th３によつて検出される
湯温が35℃になつたとき、または(b)外気温が低く
てタイマ２０によつて刻時された時間が予め定め
た値になつても温度検出器Th３による検出温度
が35℃未満であるときの何れかであるときには、
コンプレツサ７が消勢され、ヒートポンプ１が休
止される。 When the power is turned on and the water temperature detected by the temperature detector Th3 is, for example, less than 35°C, the control circuit 18 drives the compressor 7,
Heat pump 1 is operated. Gas burner 9 is extinguished. The flow rate of the pump 15 is determined by the temperature sensor.
The water temperature by Th1 is controlled to be 55℃.
At the same time as the power is turned on, a timer 20 provided in the control circuit 18 is activated and performs a timing operation. When the hot water temperature detected by the temperature detector Th3 reaches 35°C, the hot water temperature in the hot water storage tank 13 is about 55°C. (a) When the water temperature detected by temperature sensor Th3 reaches 35°C, or (b) When the outside temperature is low and the time counted by timer 20 reaches a predetermined value. However, if the temperature detected by temperature detector Th3 is less than 35℃,
The compressor 7 is deenergized and the heat pump 1 is stopped.
次いでガス給湯器８のガスバーナ９が着火さ
れ、熱交換機１０によつて湯温が上昇される。こ
れによつて、温度検出器Th３によつて検出され
る湯温が55℃であつて、かつ温度検出器Th１に
よつて検出される湯温が80℃になるように、ポン
プ１５の流量が制御される。温度検出器Th３に
よつて検出される湯温が80℃の近傍の温度（80−
β）℃になつたとき、貯湯槽１３内の湯温は80℃
であり、このときガスバーナ９を消火する。ガス
バーナ９のガス燃料の供給流量は一定であり、し
たがつてこのガス給湯器８としては既存のガス湯
沸器を利用することができる。 Next, the gas burner 9 of the gas water heater 8 is ignited, and the heat exchanger 10 raises the temperature of the water. As a result, the flow rate of the pump 15 is adjusted so that the hot water temperature detected by the temperature sensor Th3 is 55°C and the hot water temperature detected by the temperature sensor Th1 is 80°C. controlled. The water temperature detected by temperature detector Th3 is around 80℃ (80-
β) When the temperature reaches ℃, the water temperature in the hot water storage tank 13 is 80℃
At this time, the gas burner 9 is extinguished. The flow rate of gas fuel supplied to the gas burner 9 is constant, so an existing gas water heater can be used as the gas water heater 8.
温度検出器Th２による検出温度が（80−δ）
℃になるまでは、ヒートポンプ１とガス給湯器８
とが休止している。 The temperature detected by temperature detector Th2 is (80−δ)
Until the temperature reaches ℃, heat pump 1 and gas water heater 8
is on hiatus.
管路１６からの給湯が行なわれ、これに応じて
管路１７から給水が行なわれて温度検出器Th２
による検出温度が（80−δ）℃未満になると、ガ
ス給湯器８のガスバーナ９が着火される。ポンプ
１５は、温度検出器Th１による検出温度が80℃
になるように流量制御される。これによつて温度
検出器Th２によつて検出される湯温が80℃にな
つたとき、ガスバーナ９が消火し、ポンプ１５が
停止する。以下同様にしてヒートポンプ１が休止
した状態でガス給湯器８およびポンプ１５の同時
的な運転によつて貯湯槽１３内の湯温が80℃〜
（80−δ）℃の範囲でほぼ一定に保たれる。δは、
たとえば２〜３の値であつてもよい。 Hot water is supplied from the pipe 16, and in response, water is supplied from the pipe 17, and the temperature sensor Th2
When the detected temperature becomes less than (80-δ)°C, the gas burner 9 of the gas water heater 8 is ignited. The temperature of the pump 15 detected by the temperature detector Th1 is 80°C.
The flow rate is controlled so that As a result, when the hot water temperature detected by the temperature sensor Th2 reaches 80° C., the gas burner 9 is extinguished and the pump 15 is stopped. Similarly, with the heat pump 1 inactive, the gas water heater 8 and the pump 15 are operated simultaneously to raise the water temperature in the hot water tank 13 to 80°C.
It remains almost constant in the range of (80−δ)℃. δ is
For example, it may be a value of 2 to 3.
以上のように本発明によれば、ヒートポンプと
燃焼給湯器とを用い、運転初期にはヒートポンプ
によつて効率良く加熱を行ない、その後、燃焼給
湯器によつて湯温をさらに上昇加熱するようにし
たので、貯湯温度を高くすることができるととも
に、貯湯槽がむやみに大容量のものでなくてもよ
く、小型化が図られ、さらに燃焼給湯器の燃料が
低減し、省エネルギ化を図ることができる。さら
に本発明によれば、第２温度検出器Th２によつ
て検出される温度が第５の温度（80−δ）未満に
なるとガスバーナ９に一定の流量のガス燃料を供
給して着火し、第１温度検出器Th１によつて検
出される温度が第３の温度になるようにポンプ１
５の温度を制御し、また第２温度検出器Th２に
よつて検出される温度が第３の温度になつたとき
ガスバーナ９を消火し、かつポンプ１５を停止さ
せ、このような動作を繰返すことによつて、貯湯
槽１３内の第２温度検出器Th２によつて検出さ
れる湯温が第３温度と第５の温度（80−δ）との
間の範囲でほぼ一定に保たれる。 As described above, according to the present invention, a heat pump and a combustion water heater are used, and the heat pump performs heating efficiently in the initial stage of operation, and then the combustion water heater further increases the water temperature. As a result, the hot water storage temperature can be raised, the hot water storage tank does not need to have an unnecessarily large capacity, it can be made smaller, and the fuel consumption of the combustion water heater can be reduced, resulting in energy savings. Can be done. Further, according to the present invention, when the temperature detected by the second temperature detector Th2 becomes lower than the fifth temperature (80-δ), a constant flow rate of gas fuel is supplied to the gas burner 9 to ignite it, and the gas burner 9 is ignited. Pump 1 such that the temperature detected by the first temperature detector Th1 becomes the third temperature.
5, and when the temperature detected by the second temperature detector Th2 reaches the third temperature, the gas burner 9 is extinguished and the pump 15 is stopped, and such operations are repeated. As a result, the hot water temperature detected by the second temperature sensor Th2 in the hot water storage tank 13 is kept almost constant in the range between the third temperature and the fifth temperature (80-δ).
第１図は本発明の一実施例のブロツク図、第２
図はポンプ１５の流量に依存したガス給湯器８の
特性を示すグラフ、第３図は電気的構成を示すブ
ロツク図である。
１……ヒートポンプ、２……熱交換機、３……
凝縮器、４……キヤピラリ、５……蒸発器、６…
…アキユムレータ、７……コンプレツサ、８……
ガス給湯器、９……ガスバーナ、１０……熱交換
器、１３……貯湯槽、１５……ポンプ、１８……
制御回路。
FIG. 1 is a block diagram of one embodiment of the present invention, and FIG.
The figure is a graph showing the characteristics of the gas water heater 8 depending on the flow rate of the pump 15, and FIG. 3 is a block diagram showing the electrical configuration. 1...Heat pump, 2...Heat exchanger, 3...
Condenser, 4... Capillary, 5... Evaporator, 6...
...Accumulator, 7...Compressusa, 8...
Gas water heater, 9...Gas burner, 10...Heat exchanger, 13...Hot water storage tank, 15...Pump, 18...
control circuit.
Claims (1)
られた第１熱交換機１１と、 ガスバーナ９と、そのガスバーナ９によつて加
熱される第２熱交換機１０とを有するガス給湯器
８と、 貯湯槽１３と、 第１熱交換機１１と第２熱交換機１０と貯湯槽
１３とにこの順序で水を循環するポンプ１５とを
備え、 第２熱交換機１０からの水は、貯湯槽１３の上
部に供給され、貯湯槽１３の下部からポンプ１５
に水が供給され、 第２熱交換機１０の出口の水の温度を検出する
第１温度検出器Th１と、 貯湯槽１３の高さの上方寄りに設けられ、貯湯
される水の温度を検出する第２温度検出器Th２
と、 貯湯槽１３の下部からポンプ１５に供給される
水の温度を検出する第３温度検出器Th３と、 制御手段１８であつて、(a)第３温度検出器Th
３によつて検出される温度が予め定める第１の温
度未満では、ヒートポンプ１を動作させ、かつガ
スバーナ９を消火し、かつポンプ１５の流量を、
第１温度検出器Th１によつて検出される温度が
予め定める第２の温度となるように制御し、(b)第
３温度検出器Th３によつて検出される温度が第
１温度になつたとき、または第３温度検出器Th
３によつて検出される温度が第１の温度未満であ
つてかつヒートポンプの動作時間が予め定める時
間経過したとき、ヒートポンプを休止し、かつガ
スバーナ９に一定の流量のガス燃料を供給して着
火し、かつ第１温度検出器Th１によつて検出さ
れる温度が予め定める第３の温度になるようにポ
ンプ１５の流量を制御し、(c)温度検出器Th３に
よつて検出される温度が第３の温度の近傍であつ
て第３温度未満である第４の温度（80−β）にな
つたとき、ガスバーナ９を消火し、(d)第２温度検
出器Th２によつて検出される温度が第４の温度
（80−β）から予め定める第５の温度（80−δ）
になるまで、ヒートポンプ１を休止し、かつガス
バーナ９を消火し、(e)第２温度検出器Th２によ
つて検出される温度が第５の温度（80−δ）未満
になるとガスバーナ９に一定の流量のガス燃料を
供給して着火し、かつ第１温度検出器Th１によ
つて検出される温度が第３の温度になるようにポ
ンプ１５の流量を制御し、(f)第２温度検出器Th
２によつて検出される温度が第３の温度になつた
とき、ガスバーナ９を消火し、かつポンプ１５を
停止させ、以下、前記動作(e)および(f)を行う制御
手段１８とを含むことを特徴とする給湯装置。[Claims] 1. A heat pump 1, a first heat exchanger 11 provided in association with the condenser 3 of the heat pump 1, a gas burner 9, and a second heat exchanger 10 heated by the gas burner 9. a gas water heater 8 having a hot water tank 13; a pump 15 that circulates water through the first heat exchanger 11, the second heat exchanger 10, and the hot water tank 13 in this order; The water is supplied to the upper part of the hot water tank 13, and from the lower part of the hot water tank 13, the water is supplied to the pump 15.
A first temperature detector Th1 detects the temperature of the water at the outlet of the second heat exchanger 10, and a first temperature detector Th1 is provided near the upper level of the hot water storage tank 13 and detects the temperature of the stored water. Second temperature detector Th2
and a third temperature detector Th3 that detects the temperature of water supplied to the pump 15 from the lower part of the hot water storage tank 13;
3 is lower than a predetermined first temperature, the heat pump 1 is operated, the gas burner 9 is extinguished, and the flow rate of the pump 15 is reduced.
(b) the temperature detected by the third temperature detector Th3 becomes the first temperature; or the third temperature sensor Th
When the temperature detected by 3 is lower than the first temperature and the heat pump operation time has elapsed for a predetermined time, the heat pump is stopped and a constant flow rate of gas fuel is supplied to the gas burner 9 to ignite it. and (c) the flow rate of the pump 15 is controlled so that the temperature detected by the first temperature detector Th1 becomes a predetermined third temperature, and (c) the temperature detected by the temperature detector Th3 is When the fourth temperature (80-β), which is near the third temperature and lower than the third temperature, is reached, the gas burner 9 is extinguished, and (d) the temperature is detected by the second temperature detector Th2. The temperature is a predetermined fifth temperature (80-δ) from the fourth temperature (80-β).
(e) When the temperature detected by the second temperature sensor Th2 becomes less than the fifth temperature (80-δ), the heat pump 1 is stopped and the gas burner 9 is extinguished. ignition by supplying gas fuel at a flow rate of , and controlling the flow rate of the pump 15 so that the temperature detected by the first temperature detector Th1 becomes a third temperature, (f) second temperature detection Vessel Th
control means 18 for extinguishing the gas burner 9 and stopping the pump 15 when the temperature detected by the controller 2 reaches a third temperature; A water heater characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58069665A JPS59195048A (en) | 1983-04-19 | 1983-04-19 | Hot water feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58069665A JPS59195048A (en) | 1983-04-19 | 1983-04-19 | Hot water feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59195048A JPS59195048A (en) | 1984-11-06 |
| JPH0319467B2 true JPH0319467B2 (en) | 1991-03-15 |
Family
ID=13409348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58069665A Granted JPS59195048A (en) | 1983-04-19 | 1983-04-19 | Hot water feeder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195048A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60164157A (en) * | 1984-02-07 | 1985-08-27 | Matsushita Electric Ind Co Ltd | Heat pump type hot water supplier |
| JP2000329401A (en) * | 1999-05-21 | 2000-11-30 | Matsushita Electric Ind Co Ltd | Hot water supply machine |
| JP5259536B2 (en) * | 2009-09-09 | 2013-08-07 | 株式会社コロナ | Heat pump water heater |
| JP5312389B2 (en) * | 2010-03-29 | 2013-10-09 | リンナイ株式会社 | Hot water system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849848A (en) * | 1981-09-18 | 1983-03-24 | Sanyo Electric Co Ltd | Hot water supply device |
| JPS58123047A (en) * | 1982-01-14 | 1983-07-22 | Matsushita Electric Ind Co Ltd | Heat pump type hot water supplier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59145622U (en) * | 1983-03-22 | 1984-09-28 | 日立化成工業株式会社 | Heat pump hot water system |
-
1983
- 1983-04-19 JP JP58069665A patent/JPS59195048A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849848A (en) * | 1981-09-18 | 1983-03-24 | Sanyo Electric Co Ltd | Hot water supply device |
| JPS58123047A (en) * | 1982-01-14 | 1983-07-22 | Matsushita Electric Ind Co Ltd | Heat pump type hot water supplier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59195048A (en) | 1984-11-06 |
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