JPS6343664B2 - - Google Patents
Info
- Publication number
- JPS6343664B2 JPS6343664B2 JP57144780A JP14478082A JPS6343664B2 JP S6343664 B2 JPS6343664 B2 JP S6343664B2 JP 57144780 A JP57144780 A JP 57144780A JP 14478082 A JP14478082 A JP 14478082A JP S6343664 B2 JPS6343664 B2 JP S6343664B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- heat
- heat exchanger
- medium
- hot water
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000004378 air conditioning Methods 0.000 claims description 12
- 238000005338 heat storage Methods 0.000 claims description 12
- 239000011232 storage material Substances 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 8
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 description 6
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Description
【発明の詳細な説明】
本発明は、暖冷房及び給湯を行なうことができ
る空気調和給湯装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an air conditioning hot water supply device that can perform heating/cooling and hot water supply.
近年、冷凍回路を構成する圧縮機の駆動源とし
て内燃機関を用い、該内燃機関を第１の槽内の熱
媒中に配置し、該内燃機関の運転時に発生する熱
によつて該熱媒を加温するようにした熱交換装置
が着目されている。そして、従来、この熱交換装
置を用いて、暖冷房及び給湯を行なうことができ
るようにした次のような空気調和給湯装置が、提
案されている。 In recent years, an internal combustion engine is used as a drive source for a compressor that constitutes a refrigeration circuit, and the internal combustion engine is placed in a heat medium in a first tank, and the heat generated during operation of the internal combustion engine is used to drive the heat medium. A heat exchange device that heats the air is attracting attention. Conventionally, the following air-conditioning and hot-water supply apparatuses have been proposed which are capable of heating and cooling and supplying hot water using this heat exchange device.
この従来の空気調和給湯装置は、第１図の装置
のうち、三方弁２１とポンプ２２と熱交換器２３
と逆止弁２４との直列接続ルート２５を除いた部
分に相当し、以下、第１図を参照して、従来の空
気調和給湯装置を説明する。 This conventional air-conditioning water heater includes a three-way valve 21, a pump 22, a heat exchanger 23, and
This corresponds to the part excluding the series connection route 25 between the check valve 24 and the check valve 24.Hereinafter, a conventional air-conditioning water heater will be described with reference to FIG.
冷凍回路１９を構成する圧縮機１０の駆動源と
して、内燃機関１１が用いられている。内燃機関
１１は、第１の槽（高温槽）内の熱媒中に配置さ
れる。冷凍回路１９を構成する凝縮器９は、第２
の槽（中温槽）７内の熱媒中に配置される。冷凍
回路１９の蒸発器１４は、第３の槽（低温槽）１
６内の熱媒中に配置される。冷凍回路１９は、膨
張弁１８をも備え、冷媒の圧縮、凝縮、膨張及び
蒸発を繰り返し行なう。 An internal combustion engine 11 is used as a drive source for a compressor 10 that constitutes a refrigeration circuit 19 . The internal combustion engine 11 is placed in a heat medium in a first tank (high temperature tank). The condenser 9 constituting the refrigeration circuit 19 has a second
is placed in a heating medium in a tank (medium temperature tank) 7. The evaporator 14 of the refrigeration circuit 19 is a third tank (low temperature tank) 1
6 is placed in a heat medium. The refrigeration circuit 19 also includes an expansion valve 18 and repeatedly compresses, condenses, expands, and evaporates the refrigerant.
第２の槽７内の熱媒中には更に、入口をシスタ
ーン１７からの水道水に接続された第１の熱交換
器（給湯用熱交換器）８が配置される。また、第
１の槽１２内の熱媒中には更に、第１の熱交換器
８の出口に入口を接続され、出口を給湯管２０に
接続された第２の熱交換器（給湯用熱交換器）１
３が配置される。第３の槽１６内の熱媒中には更
に、相変化を利用した蓄熱材１５が配置される。 A first heat exchanger (heat exchanger for hot water supply) 8 whose inlet is connected to the tap water from the cistern 17 is further arranged in the heat medium in the second tank 7 . In addition, the heat medium in the first tank 12 further includes a second heat exchanger (hot water supply heat exchanger) whose inlet is connected to the outlet of the first heat exchanger 8 and whose outlet is connected to the hot water supply pipe 20. Exchanger) 1
3 is placed. A heat storage material 15 utilizing phase change is further placed in the heat medium in the third tank 16 .
また、第１図中、１は冬は吸熱器として作用さ
せ、夏は放熱器として作用させる吸放熱器、２は
三方弁、３及び４はポンプ、５は第１の槽１２又
は第２の槽７内の熱媒が通されることによつて暖
房を行なう暖房器、６は第３の槽１６内の熱媒が
通されることによつて冷房を行なう冷房器であ
る。 In addition, in Fig. 1, 1 is a heat absorber and radiator that acts as a heat absorber in winter and as a heat radiator in summer, 2 is a three-way valve, 3 and 4 are pumps, and 5 is the first tank 12 or the second tank. A heater 6 performs heating by passing the heat medium in the tank 7, and a cooler 6 performs cooling by passing the heat medium in the third tank 16.
内燃機関１１の運転によつて、第１の槽１２内
は例えば85℃に、第２の槽７内は例えば45℃に、
第３の槽１６内は例えば０〜10℃に保たれる。 By operating the internal combustion engine 11, the temperature inside the first tank 12 is, for example, 85°C, and the inside of the second tank 7 is, for example, 45°C.
The inside of the third tank 16 is maintained at, for example, 0 to 10°C.
この空気調和給湯装置は、給湯管２０を利用し
て給湯を行なうことができ、第１の槽１２又は第
２の槽７内の熱媒を利用して暖房を行なうことが
でき、第３の槽１６内の熱媒を利用して冷房を行
なうことができる。 This air conditioning hot water supply system can supply hot water using the hot water pipe 20, perform heating using the heat medium in the first tank 12 or the second tank 7, and perform heating using the heat medium in the first tank 12 or the second tank 7. Cooling can be performed using the heat medium in the tank 16.
冬等における暖房運転は次のように行なわれ
る。第３の槽（低温槽）１６内の熱媒をポンプ４
及び三方弁２によつて、吸熱器１中を通るように
循環させる。これによつて、外気の熱が低温槽１
６内の相変化を利用した蓄熱材１５に供給され
る。もちろん、蓄熱材１５の相変化の臨界温度は
外気の温度より低く設定されている。 Heating operation in winter etc. is performed as follows. The heat medium in the third tank (low temperature tank) 16 is pumped 4
The water is circulated through the heat absorber 1 by the three-way valve 2. This allows heat from the outside air to be transferred to the cryogenic chamber 1.
The heat storage material 15 is supplied to the heat storage material 15 using the phase change in the heat storage material 6. Of course, the critical temperature for phase change of the heat storage material 15 is set lower than the temperature of the outside air.
通常暖房時は、第２の槽（中温槽）７内の熱媒
を三方弁２及びポンプ３によつて、暖房器５中を
通るように循環させる。又、急速暖房を行なう場
合は、第１の槽（高温槽）１２内の熱媒を三方弁
２及びポンプ３によつて、暖房器５中を通るよう
に循環させる。 During normal heating, the heat medium in the second tank (medium temperature tank) 7 is circulated through the heater 5 by the three-way valve 2 and the pump 3. When performing rapid heating, the heat medium in the first tank (high temperature tank) 12 is circulated through the heater 5 by the three-way valve 2 and pump 3.
夏等における冷房運転は次のように行なわれ
る。低温槽１６内の熱媒を三方弁２及びポンプ４
によつて、冷房器６中を通るように循環させる。
冷房器６からの加温された熱媒は、低温槽１６内
の蒸発器１４によつて冷却され、再び冷房器６に
導かれる。この際、冷房負荷に対応するように蒸
発器１４の能力を決めておけば、低温槽１６内の
蓄熱材１５は相変化することはない。 Cooling operation in summer etc. is performed as follows. The heat medium in the cryostat 16 is transferred to the three-way valve 2 and the pump 4.
This allows the air to circulate through the air conditioner 6.
The heated heat medium from the air conditioner 6 is cooled by the evaporator 14 in the low temperature tank 16 and guided to the air conditioner 6 again. At this time, if the capacity of the evaporator 14 is determined in accordance with the cooling load, the phase of the heat storage material 15 in the low temperature chamber 16 will not change.
この冷房運転時には、中温槽７内の熱媒凝縮器
９により必要以上に加熱され、凝縮温度が上昇
し、冷凍回路１９の運転効率が悪くなる。このた
め、中温槽７内の熱媒を三方弁２及びポンプ３に
よつて、放熱器１中を通るように循環させて、放
熱器１より放熱させる。 During this cooling operation, the heating medium condenser 9 in the intermediate temperature tank 7 heats the cooling medium more than necessary, the condensation temperature rises, and the operating efficiency of the refrigeration circuit 19 deteriorates. Therefore, the heat medium in the intermediate temperature tank 7 is circulated through the radiator 1 by the three-way valve 2 and the pump 3, and the heat is radiated from the radiator 1.
冬等における給湯時は、暖房運転時と運転状態
は同じである。シスターン１７よりの水道水は、
中温槽７内の中温用熱交換器８と高温槽１２内の
高温用熱交換器１３を通ることによつて加温され
て給湯管２０に導かれる。 During hot water supply in winter, etc., the operating conditions are the same as during heating operation. The tap water from Cistern 17 is
The water is heated by passing through the medium temperature heat exchanger 8 in the medium temperature tank 7 and the high temperature heat exchanger 13 in the high temperature tank 12, and is led to the hot water supply pipe 20.
夏等における給湯時には、低温槽１６内の熱媒
を、ポンプ４及び三方弁２によつて、吸放熱器１
中を通るように循環させて加温しながら、冷凍回
路１９を運転する。他は、冬等の給湯時の運転と
同じである。 During hot water supply in summer, etc., the heat medium in the low temperature tank 16 is transferred to the heat absorber/radiator 1 by the pump 4 and the three-way valve 2.
The refrigeration circuit 19 is operated while circulating the water through the inside and heating it. Other operations are the same as those used during hot water supply in winter.
なお、吸熱器１は、冬等に低温槽１６内の蓄熱
材１５に充分蓄熱されるようにコントロールされ
ている。 Note that the heat absorber 1 is controlled so that heat is sufficiently stored in the heat storage material 15 in the low temperature chamber 16 during winter and the like.
この従来の空気調和給湯装置は、高温槽１２や
中温槽７内の熱媒が充分な温度に達すると、内燃
機関１１をオフするようになつている。従つて、
負荷条件によつては、内燃機関１１のオン、オフ
が頻繁に繰り返される場合がある。内燃機関１１
はオン、オフが頻繁に繰り返されると、寿命低下
をきたす。更に、内燃機関に接続された圧縮機１
０もオン、オフが頻繁に繰り返されると、寿命低
下を来たす。 This conventional air-conditioning water heater is configured to turn off the internal combustion engine 11 when the heat medium in the high-temperature tank 12 or the medium-temperature tank 7 reaches a sufficient temperature. Therefore,
Depending on load conditions, the internal combustion engine 11 may be turned on and off frequently. internal combustion engine 11
If it is turned on and off frequently, its lifespan will be shortened. Furthermore, a compressor 1 connected to the internal combustion engine
If 0 is repeatedly turned on and off, its life will be shortened.
本発明の目的は、第１の槽（高温槽）や第２の
槽（中温槽）内の熱媒の温度が充分な温度に達し
ても、内燃機関を運転し続け、発生する熱を第３
の槽（低温槽）内の蓄熱材に蓄えるようにした空
気調和給湯装置を提供し、内燃機関及び圧縮機の
寿命低下を防ぐことにある。 An object of the present invention is to continue operating the internal combustion engine even when the temperature of the heat medium in the first tank (high temperature tank) or the second tank (medium temperature tank) reaches a sufficient temperature, and to transfer the generated heat to the second tank. 3
An object of the present invention is to provide an air conditioning hot water supply system in which heat is stored in a heat storage material in a tank (low temperature tank), and to prevent shortening of the life of an internal combustion engine and a compressor.
以下、本発明の実施例について図面を参照して
説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図に示したように、本発明の一実施例に係
る空気調和給湯装置は、第２の熱交換器１３の出
口と第１の熱交換器８の入口との間に接続され
た、三方弁２１とポンプ２２と第３の熱交換器２
３と逆止弁２４との直列接続ルート２５を有す
る。三方弁２１のもう一方の出力は給湯管２０に
接続される。第３の熱交換器２３は第３の槽（低
温槽）１６内の熱媒中に配置される。三方弁２１
を前記直列接続ルート２５側に切り換えてポンプ
２２を運転することによつて、第２の熱交換器１
３の出口からの温水は前記直列接続ルート２５を
介して第１の熱交換器８の入口に戻される。 As shown in FIG. 1, the air conditioning water heater according to one embodiment of the present invention includes a Three-way valve 21, pump 22, and third heat exchanger 2
3 and a check valve 24 are connected in series. The other output of the three-way valve 21 is connected to the hot water pipe 20. The third heat exchanger 23 is placed in the heat medium in the third tank (low temperature tank) 16. Three-way valve 21
By switching to the series connection route 25 side and operating the pump 22, the second heat exchanger 1
The hot water from the outlet of 3 is returned to the inlet of the first heat exchanger 8 via said series connection route 25.
本実施例においては、中温槽（第２の槽）７が
高温槽（第１の槽）１２内の熱媒の温度が充分な
温度に達すると、三方弁２１を直列接続ルート２
５側へ切り換えると共にポンプ２２を運転させ、
内燃機関１１は運転させ続ける。これによつて、
中温槽７や高温槽１２内に発生した余剰熱量を、
蓄熱材１５を有する低温槽１６内に導く。低温槽
１６内の熱媒の温度が外気温と等しくなつたら、
内燃機関１１を止めるようにするのが好ましい。 In this embodiment, when the temperature of the heating medium in the intermediate temperature tank (second tank) 7 and the high temperature tank (first tank) 12 reaches a sufficient temperature, the three-way valve 21 is connected to the series connection route 2.
switch to the 5 side and operate the pump 22,
The internal combustion engine 11 continues to operate. By this,
The surplus heat generated in the medium temperature tank 7 and high temperature tank 12 is
It is led into a low temperature chamber 16 having a heat storage material 15. When the temperature of the heat medium in the cryostat 16 becomes equal to the outside temperature,
Preferably, the internal combustion engine 11 is stopped.
低温槽１６内の温度は０℃以上でないと、第３
の熱交換器２３に凍結が生じるおそれがある。低
温槽１６内の温度が０℃以下になることが予想さ
れる場合には、熱交換器２３の周囲の温度を検知
する装置を設け、この装置が凍結温度を検出する
と、三方弁２１及びポンプ２２によつて、第２の
熱交換器１３からの温水が直列接続ルート２５中
に送られるようにする。あるいは、三方弁２１の
切換え及びポンプ２２の駆動を定期的に行なうよ
うにしても、低温槽１６内の熱交換器２３への凍
結を防止することができる。 If the temperature inside the cryostat 16 is not above 0°C, the third
There is a risk that the heat exchanger 23 may freeze. If the temperature inside the cryostat 16 is expected to drop below 0°C, a device is installed to detect the temperature around the heat exchanger 23, and when this device detects freezing temperature, the three-way valve 21 and the pump are shut down. 22 allows the hot water from the second heat exchanger 13 to be routed into the series connection route 25 . Alternatively, freezing of the heat exchanger 23 in the cryostat 16 can be prevented by periodically switching the three-way valve 21 and driving the pump 22.
以上説明したように、本発明によれば、第１の
槽（高温槽）や第２の槽（中温槽）内の熱媒の温
度が充分な温度に達しても、内燃機関を運転し続
け、発生する熱を第３の槽（低温槽）内の蓄熱材
に蓄えるようにした空気調和給湯装置が得られ、
内燃機関及び圧縮機の寿命低下を防ぐことができ
るという効果がある。 As explained above, according to the present invention, even if the temperature of the heat medium in the first tank (high temperature tank) or the second tank (medium temperature tank) reaches a sufficient temperature, the internal combustion engine continues to operate. , an air conditioning water heater is obtained in which the generated heat is stored in a heat storage material in a third tank (low temperature tank),
This has the effect of preventing a reduction in the lifespan of the internal combustion engine and compressor.
なお、第１図において、ポンプ２２は第３の熱
交換器２３の出力側に移してもよい。また、第１
図において、三方弁２１の代りに分岐管を用いて
もよい。 In addition, in FIG. 1, the pump 22 may be moved to the output side of the third heat exchanger 23. Also, the first
In the figure, a branch pipe may be used instead of the three-way valve 21.
第１図は本発明の一実施例に係る空気調和給湯
装置を示した系統図である。
１……吸放熱器、２……三方弁、３及び４……
ポンプ、５……暖房器、６……冷房器、７……第
２の槽（中温槽）、８……第１の熱交換器、９…
…凝縮器、１０……圧縮機、１１……内燃機関、
１２……第１の槽（高温槽）、１３……第２の熱
交換器、１４……蒸発器、１５……蓄熱材、１６
……第３の槽（低温槽）、１７……シスターン、
１８……膨張弁、１９……冷凍回路、２０……給
湯管、２１……三方弁、２２……ポンプ、２３…
…第３の熱交換器、２４……逆止弁。
FIG. 1 is a system diagram showing an air conditioning water heater according to an embodiment of the present invention. 1... Heat absorber/radiator, 2... Three-way valve, 3 and 4...
Pump, 5... Heater, 6... Air conditioner, 7... Second tank (medium temperature tank), 8... First heat exchanger, 9...
... Condenser, 10 ... Compressor, 11 ... Internal combustion engine,
12... First tank (high temperature tank), 13... Second heat exchanger, 14... Evaporator, 15... Heat storage material, 16
...Third tank (low temperature tank), 17... Cistern,
18... Expansion valve, 19... Refrigeration circuit, 20... Hot water pipe, 21... Three-way valve, 22... Pump, 23...
...Third heat exchanger, 24...Check valve.
Claims (1)
燃機関を用い、該内燃機関を第１の槽内の熱媒中
に配置し、前記冷凍回路の凝縮器を第２の槽内の
熱媒中に配置し、前記冷凍回路の蒸発器を第３の
槽内の熱媒中に配置し、第２の槽内の熱媒中には
更に、入口を水道水に接続された第１の熱交換器
を配置し、第１の槽内の熱媒中には更に、前記第
１の熱交換器の出口に入口を接続され、出口を給
湯管に接続された第２の熱交換器を配置し、第３
の槽内の熱媒中には更に蓄熱材を配置し、前記給
湯管を利用して給湯を行なうことができ、第１の
槽又は第２の槽内の熱媒を利用して暖房を行なう
ことができ、第３の槽内の熱媒を利用して冷房を
行なうことができる空気調和給湯装置において、
前記第２の熱交換器の出口と前記第１の熱交換器
の入口との間に、ポンプと第３の熱交換器と逆止
弁との直列接続ルートを接続し、該第３の熱交換
器を前記第３の槽内の熱媒中に配置し、前記ポン
プを運転することによつて、前記第２の熱交換器
の出口からの温水が前記直列接続ルートを介して
前記第１の熱交換器の入口に戻されるようにした
ことを特徴とする空気調和給湯装置。1. An internal combustion engine is used as a drive source for a compressor constituting a refrigeration circuit, the internal combustion engine is placed in a heat medium in a first tank, and the condenser of the refrigeration circuit is placed in a heat medium in a second tank. The evaporator of the refrigeration circuit is arranged in a heat medium in a third tank, and the heat medium in the second tank further includes a first heat exchanger whose inlet is connected to tap water. A second heat exchanger is further arranged in the heat medium in the first tank, the inlet of which is connected to the outlet of the first heat exchanger, and the outlet of which is connected to the hot water supply pipe. , 3rd
A heat storage material is further arranged in the heating medium in the tank, and hot water can be supplied using the hot water supply pipe, and heating can be performed using the heating medium in the first tank or the second tank. In an air-conditioning water heater that can perform cooling using the heat medium in the third tank,
A series connection route of a pump, a third heat exchanger, and a check valve is connected between the outlet of the second heat exchanger and the inlet of the first heat exchanger, and By placing an exchanger in the heat medium in the third tank and operating the pump, hot water from the outlet of the second heat exchanger passes through the series connection route to the first An air conditioning water heater characterized in that water is returned to the inlet of a heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57144780A JPS5935760A (en) | 1982-08-23 | 1982-08-23 | Air-conditioning hot-water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57144780A JPS5935760A (en) | 1982-08-23 | 1982-08-23 | Air-conditioning hot-water supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5935760A JPS5935760A (en) | 1984-02-27 |
| JPS6343664B2 true JPS6343664B2 (en) | 1988-08-31 |
Family
ID=15370259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57144780A Granted JPS5935760A (en) | 1982-08-23 | 1982-08-23 | Air-conditioning hot-water supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5935760A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6176859A (en) * | 1984-09-20 | 1986-04-19 | ミサワホ−ム株式会社 | Internal-combustion-engine driving heat-pump air conditioner |
| JPS6176858A (en) * | 1984-09-20 | 1986-04-19 | ミサワホ−ム株式会社 | Internal-combustion-engine driving heat-pump air conditioner |
| JPS62199855A (en) * | 1986-02-20 | 1987-09-03 | 東洋紡績株式会社 | Interlock stitch cloth and its production |
| JPH0661720B2 (en) * | 1987-10-19 | 1994-08-17 | 光男 藤沢 | Sheet material fusing device |
-
1982
- 1982-08-23 JP JP57144780A patent/JPS5935760A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5935760A (en) | 1984-02-27 |
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