JPS5886370A - Refrigerator - Google Patents
RefrigeratorInfo
- Publication number
- JPS5886370A JPS5886370A JP56184521A JP18452181A JPS5886370A JP S5886370 A JPS5886370 A JP S5886370A JP 56184521 A JP56184521 A JP 56184521A JP 18452181 A JP18452181 A JP 18452181A JP S5886370 A JPS5886370 A JP S5886370A
- Authority
- JP
- Japan
- Prior art keywords
- boiling point
- refrigerant
- low
- evaporator
- 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.)
- Granted
Links
- 238000009835 boiling Methods 0.000 claims description 122
- 239000003507 refrigerant Substances 0.000 claims description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 238000001816 cooling Methods 0.000 claims description 19
- 238000005057 refrigeration Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000008241 heterogeneous mixture Substances 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000007788 liquid Substances 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
Landscapes
- Steam Or Hot-Water Central Heating Systems (AREA)
- Other Air-Conditioning Systems (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】
本発明は熱動機関駆動による冷暖房と給湯を行なうこと
ができる冷凍装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a refrigeration system that is capable of heating and cooling and supplying hot water using a thermal engine.
従来の冷凍装置には、例えば特公昭５６−１２０９３号
公報に記載されているように、エンジンで駆動される圧
縮機と凝縮器と減圧素子と第１の蒸発器とエンジン冷却
用の第２の蒸発器とを順次環状に直列接続したものがあ
るが、一種類の冷媒を用いているので高温のエンジン排
熱温度で前記第２の蒸発器が過熱されることによりｆｎ
ｌ記第１の蒸発器での蒸発能力が低下し、所望の冷却効
果が得られない欠点を有していた。A conventional refrigeration system includes a compressor driven by an engine, a condenser, a pressure reducing element, a first evaporator, and a second evaporator for cooling the engine, as described in Japanese Patent Publication No. 56-12093, for example. There is a system in which the second evaporator and the evaporator are connected in series in an annular manner, but since one type of refrigerant is used, the second evaporator is overheated by the high engine exhaust heat temperature, resulting in fn.
The evaporation capacity of the first evaporator is reduced, and the desired cooling effect cannot be obtained.
本発明は斯かる欠点に鑑み、その目的とするところｔｒ
ｉ便用する冷媒を選定することにより、冷房、給湯、更
には暖房も可能な高効率の冷凍装置を提供することにあ
る。In view of these drawbacks, the present invention aims to
The purpose of the present invention is to provide a highly efficient refrigeration system that can perform cooling, hot water supply, and even heating by selecting a refrigerant for i-bin use.
その目的を達成するために、本発明による冷凍装置に、
熱動機関によって駆動され高沸点冷媒と低沸点冷媒との
異種混合冷媒を吸入圧縮する圧縮機と、温水生成用＆Ｍ
器と、冷媒減圧素子と、低沸点用利用側蒸発器と、熱動
機関冷却用の高沸点用蒸発器とから構成したものである
。To achieve that objective, the refrigeration device according to the invention includes:
A compressor that is driven by a thermal engine and sucks and compresses a heterogeneous mixture of high-boiling point refrigerant and low-boiling point refrigerant, and a &M for hot water generation.
It consists of a refrigerant pressure reducing element, a low boiling point use side evaporator, and a high boiling point evaporator for cooling a thermal engine.
斯かる構成により、被冷却温度が低い冷房用の利用側蒸
発器では低沸点冷媒が蒸発され、被冷却温度が高い熱動
機関冷却用の蒸発器では高沸点冷媒が蒸発されるので、
圧縮機吸入側の低圧圧力？正常圧に保持でき、安定した
圧縮運転を行なうことができるとともに、暖房給湯の熱
源として熱動機関の排熱を利用しているので高効率な暖
房給湯運転を行なうことができる。With such a configuration, the low boiling point refrigerant is evaporated in the user side evaporator for cooling where the temperature to be cooled is low, and the high boiling point refrigerant is evaporated in the evaporator for cooling the thermal engine where the temperature to be cooled is high.
Low pressure on the compressor suction side? It is possible to maintain normal pressure and perform stable compression operation, and since the exhaust heat of the thermal engine is used as the heat source for heating and hot water supply, highly efficient heating and hot water supply operation can be performed.
以下本発明による冷凍装置の実施例について図面を参照
して説明する。Embodiments of the refrigeration system according to the present invention will be described below with reference to the drawings.
まず冷媒回路の構成について説明する。熱動機関１で駆
動される冷媒用圧縮機２によって圧縮された高沸点冷媒
（フロン冷媒Ｒ１１４等）と低沸点冷媒（フロン冷媒）
Ｒ２２等）との異種混合冷媒は温水生成用の高沸点用凝
縮器６、室外ファン４を有する室外側補助＃縮器５を経
てセパレータ６に至る。異種混合冷媒はセパレータ６に
おいて凝縮器６で凝縮液化した液状高沸点冷媒と未凝縮
のガス状低沸点冷媒とが上下二層に分離され、一方の高
沸点液冷媒はセパレータ６の下部７がら尚沸点回路８中
の膨張弁等の高沸点用冷媒減圧素子９、熱動機関１冷却
用の高沸点用蒸発器１０を通りアキュムレータ１１を経
て圧縮機２に戻り、他方の低沸点ガス冷媒はセパレータ
６の中間部１２から低沸点回路１６中の温水生成用の低
沸点用凝縮器１４ケ介し電磁弁１５または膨張弁等の第
１低沸点用冷媒減圧素子１６のいずれかを経て室外ファ
ン１７を有する室外９１１］蒸発器１８を通ったのち、
電磁弁１９全通りアキュムレータ１１を経て圧縮機２に
戻る回路２０と、膨張弁等の第２低沸点用冷媒減圧素子
２１、低沸点用利用側蒸発器２２を通って前述のアキュ
ムレータ１１に至る回路２６とに分岐されている。First, the configuration of the refrigerant circuit will be explained. A high boiling point refrigerant (such as fluorocarbon refrigerant R114) and a low boiling point refrigerant (fluorocarbon refrigerant) compressed by a refrigerant compressor 2 driven by a thermal engine 1
The mixed refrigerant (R22, etc.) reaches the separator 6 via a high boiling point condenser 6 for hot water generation and an outdoor auxiliary condenser 5 having an outdoor fan 4. The heterogeneous mixed refrigerant is separated in the separator 6 into two layers: a liquid high-boiling refrigerant that has been condensed and liquefied in the condenser 6 and an uncondensed gaseous low-boiling refrigerant; The high boiling point refrigerant pressure reducing element 9 such as an expansion valve in the boiling point circuit 8 passes through the high boiling point evaporator 10 for cooling the thermal engine 1, returns to the compressor 2 via the accumulator 11, and the other low boiling point gas refrigerant passes through the separator. The outdoor fan 17 is supplied from the middle part 12 of the refrigerant 6 to the outdoor fan 17 through the low boiling point condenser 14 for generating hot water in the low boiling point circuit 16 and through either the electromagnetic valve 15 or the first low boiling point refrigerant pressure reducing element 16 such as an expansion valve. After passing through the evaporator 18,
A circuit 20 that returns to the compressor 2 through the entire solenoid valve 19 via the accumulator 11, a circuit that passes through the second low boiling point refrigerant pressure reducing element 21 such as an expansion valve, and the low boiling point utilization side evaporator 22 to the aforementioned accumulator 11. It is branched into 26.
つぎに給湯回路は、市水給水配管２４から減圧逆止弁２
５を経て給湯用加熱器２６を通り、蛇口２７に至るよう
に構成されている。Next, the hot water supply circuit is connected from the city water supply pipe 24 to the pressure reducing check valve 2.
5, a hot water heater 26, and a faucet 27.
つぎに室内循環水回路は、室内循環水ポンプ２８から送
出された循環水が、蓄熱タンク状の温水器２９を経て電
磁弁６０を通ったのち室内ファン３１ｔ−有する室内側
熱交換器６２を経てポンプ２８に戻る回路６６と、電磁
弁６４ｆｒ経て水側熱交換器６５を通ったのち前述の室
内側熱交換器６２を経てポンプ２８に戻る回路６６に分
岐されている。Next, in the indoor circulating water circuit, circulating water sent from the indoor circulating water pump 28 passes through a heat storage tank-shaped water heater 29, passes through a solenoid valve 60, and then passes through an indoor heat exchanger 62 having an indoor fan 31t. It is branched into a circuit 66 that returns to the pump 28, and a circuit 66 that returns to the pump 28 via the solenoid valve 64fr, the water side heat exchanger 65, and the above-mentioned indoor heat exchanger 62.
而して、高沸点用凝縮器３と低沸点用凝ｍ器１４および
給湯用加熱器２６は温水器２９内に熱交換関係に収納さ
れており、暖房時にポンプ２８からの低温循環水と先ず
低沸点用凝縮器１４が熱交換して低沸点冷媒が凝縮液化
し、この凝縮熱で昇温された循環水と高沸点用凝縮器６
が熱交換して高沸点冷媒が凝縮液化されるとともに、給
湯時は減圧逆止弁２５からの低温市水が給湯用加熱器２
６の前半部で先ず低沸点用凝縮器１４と熱交換して低沸
点冷媒が凝縮液化し、この凝縮熱で昇温された市水が給
湯用加熱器２６の後半部で高沸点用凝縮器６と熱交換し
て高沸点冷媒が凝縮液化されるようになっている。また
、低沸点用利用側熱交換器２２は水制熱交換器３５と熱
交換関係に配設されている。６７は室内側ファンコイル
ユニットである。The high boiling point condenser 3, the low boiling point condenser 14, and the hot water heater 26 are housed in a water heater 29 in a heat exchange relationship, and during heating, the low temperature circulating water from the pump 28 and the hot water are first exchanged. The low boiling point condenser 14 exchanges heat and the low boiling point refrigerant is condensed and liquefied, and the circulating water whose temperature is raised by this heat of condensation and the high boiling point condenser 6
The high boiling point refrigerant is condensed and liquefied through heat exchange, and during hot water supply, low-temperature city water from the pressure reducing check valve 25 is supplied to the hot water heater 2.
In the first half of the hot water supply heater 26, the low boiling point refrigerant is condensed and liquefied through heat exchange with the low boiling point condenser 14, and the city water heated by this condensation heat is transferred to the high boiling point condenser in the second half of the hot water heater 26. 6, the high boiling point refrigerant is condensed and liquefied. Further, the low boiling point use side heat exchanger 22 is arranged in a heat exchange relationship with the water heat exchanger 35. 67 is an indoor fan coil unit.
つぎに冷房、暖房、給湯のそれぞれの運転時における冷
媒、室内循環水のそれぞれの回路の作動を説明する。Next, the operation of the refrigerant and indoor circulating water circuits during cooling, heating, and hot water supply operations will be explained.
（Ｉ） 共通冷媒高沸点回路（冷房、暖房、給湯時）
圧縮機２により吐出した冷媒は高沸点用凝縮器３を通過
することによって放熱し高沸点冷媒が凝縮液化する。そ
の後室外側補助凝縮器５（給湯、暖房をしない時温水器
２９内の循環水が異常に高温となった場合ここで高沸点
冷媒が凝縮液化する）を通り、セパレータ６の下部７よ
り流出して高沸点用冷媒減圧素子９により高沸点凝縮液
冷媒が膨張される。(I) Common refrigerant high boiling point circuit (for cooling, heating, and hot water supply)
The refrigerant discharged by the compressor 2 passes through the high-boiling point condenser 3, thereby dissipating heat, and the high-boiling point refrigerant is condensed and liquefied. After that, it passes through the outdoor auxiliary condenser 5 (when the circulating water in the water heater 29 reaches an abnormally high temperature when hot water supply or heating is not being performed, the high boiling point refrigerant condenses and liquefies here) and flows out from the lower part 7 of the separator 6. Then, the high boiling point condensate refrigerant is expanded by the high boiling point refrigerant pressure reducing element 9.
この後熱動機関１の高沸点用蒸発器１０内で蒸発し熱動
機関１の熱を吸熱したのち、アキュムレータ１１を通っ
て圧縮機２に導入される。この時熱動機関１の排熱温度
が８０℃と高くても、高沸点冷媒であるため高沸点用蒸
発器１０で蒸発した後の低圧圧力は４５シ（通常の冷凍
機の低圧圧力程度）以下に下がらず正常圧力に保持でき
る。Thereafter, it evaporates in the high boiling point evaporator 10 of the thermal engine 1 and absorbs the heat of the thermal engine 1, and then is introduced into the compressor 2 through the accumulator 11. At this time, even if the exhaust heat temperature of the thermal engine 1 is as high as 80°C, since it is a high boiling point refrigerant, the low pressure after evaporating in the high boiling point evaporator 10 is 45 °C (about the low pressure of a normal refrigerator). Can maintain normal pressure without dropping below.
（ｎ） 冷房運転時における作動
（■−リ 低沸点冷媒回路
圧縮機２→高沸点用凝縮器６→室外側補助凝縮器５−セ
パレータ６を経てその中間部１２より流出し、低沸点用
凝縮器１４で凝縮液化する。その後電磁弁１５を通過し
室外側蒸発器１８（温水器２９内の循環水が異常に畠温
となった場合ここで低沸点冷媒が凝縮液化する）を通り
、低沸点凝縮液冷媒が第２低沸点用冷媒減圧素子２１に
より膨張される。(n) Operation during cooling operation (■-li) Low-boiling point refrigerant circuit compressor 2 → high-boiling point condenser 6 → outdoor auxiliary condenser 5 - separator 6, flows out from the intermediate part 12, and is condensed for low-boiling point The refrigerant is condensed and liquefied in the container 14.Then, it passes through the solenoid valve 15 and passes through the outdoor evaporator 18 (where the low boiling point refrigerant condenses and liquefies if the circulating water in the water heater 29 reaches an abnormally high field temperature). The boiling point condensate refrigerant is expanded by the second low boiling point refrigerant pressure reducing element 21 .
この後低沸点用利用側蒸発器２２で蒸発し吸熱したのち
、アキュムレータ１１を通り圧縮機２に導入される。こ
の時水側熱交換器６５の温度が１０℃程度でも低沸点冷
媒であるため、低沸点用利用側蒸発器２２で蒸発した後
の低圧圧力は高沸点冷媒の低圧圧力と同程度の４１％Ｑ
となる。Thereafter, it evaporates and absorbs heat in the low-boiling-point utilization side evaporator 22, and then is introduced into the compressor 2 through the accumulator 11. At this time, even if the temperature of the water side heat exchanger 65 is about 10°C, it is a low boiling point refrigerant, so the low pressure after evaporating in the low boiling point utilization side evaporator 22 is 41%, which is about the same as the low pressure of a high boiling point refrigerant. Q
becomes.
（Ｉｔ−２）室内循環水回路
ポンプ２８から電磁弁６４を介して水側熱交換器６５（
ここで循環水は冷却される）を通り、室内側熱交換器３
２を通過してポンプ２８に導入される（電磁弁６０は閉
塞）。(It-2) Water side heat exchanger 65 (
The circulating water is cooled here) and passes through the indoor heat exchanger 3.
2 and is introduced into the pump 28 (the solenoid valve 60 is closed).
（ＩＩＩ） 暖房運転時における作動（ＩＩＩ−り低
沸点冷媒回路
圧縮機２−高沸点用凝縮器６→室外側補助凝縮器５−セ
パレータ６→低沸点用凝縮器１４を経て第１低沸点用冷
媒減圧素子１６により膨張され、室外側蒸発器１８で蒸
発し、電磁弁１９全通りアキュムレータ１１→圧縮機２
に導入される。(III) Operation during heating operation (III - Low boiling point refrigerant circuit Compressor 2 - High boiling point condenser 6 → Outdoor side auxiliary condenser 5 - Separator 6 → Low boiling point condenser 14 via the first low boiling point condenser 6 The refrigerant is expanded by the pressure reducing element 16, evaporated by the outdoor evaporator 18, and the solenoid valve 19 is passed through the accumulator 11 → the compressor 2.
will be introduced in
＜ｍ−２）室内循環水回路
ポンプ２８から温水′ｇｆｉ２９（ここで循環水は暖め
られる）−電磁弁３０を経て室内側熱交換器６２を通り
、ここで放熱してポンプ２８に導入される（電磁弁６４
は閉塞）。<m-2) Hot water 'gfi 29 from the indoor circulating water circuit pump 28 (the circulating water is warmed here) - passes through the solenoid valve 30 and the indoor heat exchanger 62, where it radiates heat and is introduced into the pump 28 (Solenoid valve 64
is occlusion).
（ＰＪ） 給湯運転時における作動 （■−り冷媒回路 暖房時と同じ ０Ｖ−２）室内循環水回路 ポンプ２８は停止、電磁弁３０．５４ｆ−１閉塞。(PJ) Operation during hot water supply operation (■-ri refrigerant circuit Same as when heating 0V-2) Indoor circulating water circuit Pump 28 is stopped and solenoid valve 30.54f-1 is closed.
上述の実施例回路は基本的に圧縮機２と、高沸点用凝縮
器６および低沸点用凝縮器１４を共用した温水生成用凝
縮器と、高沸点用冷媒減圧素子９および第１低沸点用冷
媒減圧素子１６を共用した冷媒減圧素子と、低沸点用利
用側蒸発器２２と、高沸点用蒸発器１０とを有するもの
であって、低沸点用利用側蒸発器２２と＾沸点用蒸発器
１０を直列（この時高沸点用冷媒減圧素子９と第１低沸
点用冷媒減圧累子１６は１個にまとめる）接続して温水
生成用凝縮器で生成された温水を給湯および暖房に利用
し、低沸点用利用側蒸発器２２で冷房することも可能で
ある。The circuit of the above embodiment basically includes a compressor 2, a hot water generation condenser that shares the high boiling point condenser 6 and the low boiling point condenser 14, the high boiling point refrigerant pressure reducing element 9, and the first low boiling point condenser 14. It has a refrigerant pressure reducing element that shares the refrigerant pressure reducing element 16, a low boiling point usage side evaporator 22, and a high boiling point evaporator 10, in which the low boiling point usage side evaporator 22 and the boiling point evaporator 10 are connected in series (at this time, the high boiling point refrigerant pressure reduction element 9 and the first low boiling point refrigerant pressure reduction element 16 are combined into one) to use the hot water generated by the hot water generation condenser for hot water supply and space heating. It is also possible to perform cooling using the low boiling point use side evaporator 22.
ただし上述の実施例回路のようにセパレータ６で高沸点
冷媒と低沸点冷媒とに分離してそれぞれ高沸点用蒸発器
１０および低沸点用利用側蒸発器２２で単独蒸発させた
方が圧損が少なく、且つ個別に高沸点用冷媒減圧素子９
と第１低沸点用冷媒減圧素子１６とでそれぞれ高沸点用
蒸発器１０および低沸点用利用側蒸発器２２の負荷に応
じて冷媒減圧制御すると高効率な運転が行なえる。However, it is better to separate the high-boiling point refrigerant and the low-boiling point refrigerant by the separator 6 and evaporate them separately in the high-boiling point evaporator 10 and the low-boiling point user-side evaporator 22, as in the above-mentioned example circuit, to reduce the pressure loss. , and individually a high boiling point refrigerant pressure reducing element 9
High-efficiency operation can be achieved by controlling the refrigerant pressure reduction with the first low-boiling point refrigerant pressure reducing element 16 according to the load of the high-boiling point evaporator 10 and the low-boiling point user-side evaporator 22, respectively.
また上述の実施例回路中の電磁弁１５、室外ファン１７
、室外側蒸発器１８、回路２０、第２低沸点用冷媒減圧
素子２１を取り除き、低沸点用利用側蒸発器２２と水側
熱交換器６５と全空冷ファンを倫えた放熱フィン付の二
重管式熱交換器とし、このファンを冷房時停止させ暖房
給湯時に運転するようにしてもよい。In addition, the solenoid valve 15 and the outdoor fan 17 in the above-described embodiment circuit
, the outdoor evaporator 18, the circuit 20, and the second low-boiling point refrigerant pressure reducing element 21 are removed, and a double-layer structure with radiating fins is installed, which includes the low-boiling point use-side evaporator 22, the water-side heat exchanger 65, and a full air cooling fan. A tube heat exchanger may be used, and the fan may be stopped during cooling and operated during heating and hot water supply.
本発明による冷凍装置は、高沸点冷媒と低沸点冷媒との
異種混合冷媒を吸入圧縮する圧縮機と、温水生成用凝縮
器と、冷媒減圧素子と、低沸点用利用側蒸発器と、熱動
機関冷却用の高沸点用蒸発器とから構成されているので
、被冷却温度が低い冷房用の利用ｆｉ１１蒸発詣では低
沸点冷媒が蒸発され、被冷却温度が高い熱動機関冷却用
の蒸発器では高沸点冷媒が蒸発されるので、圧縮機吸入
側の低圧圧カケ正常圧に保持でき安定した圧縮運転を行
なうことができるとともに、暖房給湯の熱源とじて熱動
機関の排熱を利用しているので、高効率な暖房給湯運転
を行なうことができるという効果が得られる。The refrigeration system according to the present invention includes a compressor that sucks and compresses a heterogeneous mixed refrigerant of a high boiling point refrigerant and a low boiling point refrigerant, a condenser for generating hot water, a refrigerant pressure reducing element, a low boiling point user evaporator, and a thermal dynamic refrigerant. Since it consists of a high boiling point evaporator for engine cooling, the low boiling point refrigerant is evaporated when used for air conditioning, where the temperature to be cooled is low, and the evaporator for thermal engine cooling, where the temperature to be cooled is high. Since the high boiling point refrigerant is evaporated, the low pressure on the suction side of the compressor can be maintained at normal pressure, allowing stable compression operation, and the exhaust heat of the thermal engine can be used as a heat source for heating and hot water supply. Therefore, the effect of highly efficient heating and hot water supply operation can be achieved.
また、異種混合冷媒を吸入圧縮する圧縮機と、温水生成
用の高沸点用凝縮器と、高沸点凝縮冷媒と低沸点冷媒と
を分離するセパレータとを直列接続するとともに、温水
生成用の低沸点用凝縮器、低沸点用冷媒減圧素子および
低沸点用利用側蒸発器からなる低沸点回路と、高沸点用
冷媒減圧素子および熱動機関冷却用の高沸点用蒸発器か
らなる高沸点回路とを前記セパレータと分岐接続した冷
凍装置は、セパレータで分離された高沸点冷媒と低沸点
冷媒とがそれぞれ高沸点用蒸発器および低沸点用利用側
蒸発器で単独蒸発されるため、圧損が少なく、且つ個別
に高沸点用冷媒減圧素子と低沸点用冷媒減圧素子とでそ
れぞれ高沸点用蒸発器および低沸点用利用側蒸発器の負
荷に応じて冷媒減圧制御することができ、高効率運転が
行なえるという効果が得られる。In addition, a compressor that sucks and compresses a heterogeneous mixed refrigerant, a high-boiling point condenser for generating hot water, and a separator that separates a high-boiling condensed refrigerant from a low-boiling point refrigerant are connected in series, and a low-boiling point condenser for generating hot water is connected in series. A low boiling point circuit consisting of a refrigerant pressure reducing element for high boiling point, a low boiling point refrigerant pressure reducing element and a low boiling point use side evaporator, and a high boiling point circuit consisting of a high boiling point refrigerant pressure reducing element and a high boiling point evaporator for cooling a thermal engine. In the refrigeration system that is branch-connected to the separator, the high-boiling point refrigerant and the low-boiling point refrigerant separated by the separator are individually evaporated in the high-boiling point evaporator and the low-boiling point user-side evaporator, respectively, so that pressure loss is small and High boiling point refrigerant pressure reducing elements and low boiling point refrigerant pressure reducing elements can individually control refrigerant pressure reduction according to the load of the high boiling point evaporator and the low boiling point user side evaporator, respectively, enabling high efficiency operation. This effect can be obtained.
図面は本発明による冷凍装置の実施例を示す系統図であ
る。
１ ・・・ 熱動機関
２ ・・・ 圧縮機
６ ・・・ 温水生成用の高沸点用凝縮器５ ・・・
室外側補助凝縮器
６ ・・・ セパレータ
９ ・・・ 高沸点用冷媒減圧素子
１０ ・・・ 高沸点用蒸発器
１４ ・・・ 温水生成用の低沸点用凝縮器１６ ・
・・ 第１低沸点用冷媒減圧素子１８ ・・・ 室
外側蒸発器
２１ ・・・ 第２低沸点用冷媒減圧素子２２ ・・
・ 低沸点用利用側蒸発器２６ ・・・ 給湯用加
熱器
２９ ・・・ 温水器
６２ ・・・ 室内側熱交換器
５５ ・・・ 水側熱交換器
代理人 弁理士 膝 杢 礒The drawing is a system diagram showing an embodiment of the refrigeration apparatus according to the present invention. 1... Thermal engine 2... Compressor 6... High boiling point condenser 5 for hot water generation...
Outdoor side auxiliary condenser 6 ... Separator 9 ... High boiling point refrigerant pressure reducing element 10 ... High boiling point evaporator 14 ... Low boiling point condenser 16 for generating hot water
... First low boiling point refrigerant pressure reducing element 18 ... Outdoor evaporator 21 ... Second low boiling point refrigerant pressure reducing element 22 ...
・Use-side evaporator for low boiling point 26 ... Hot water heater 29 ... Water heater 62 ... Indoor heat exchanger 55 ... Water-side heat exchanger agent Patent attorney Isao Knee
Claims (2)
媒との異種混合冷媒を吸入圧縮する圧縮機と、温水生成
用凝縮器と、冷媒減圧素子と、低沸点用利用側蒸発器と
、前記熱動機関冷却用の高沸点用蒸発器とからなる冷凍
装置。(1) A compressor that is driven by a thermal engine and sucks and compresses a heterogeneous mixed refrigerant of a high boiling point refrigerant and a low boiling point refrigerant, a hot water generation condenser, a refrigerant pressure reduction element, and a low boiling point user side evaporator; A refrigeration system comprising a high boiling point evaporator for cooling the thermal engine.
媒との異種混合冷媒を吸入圧縮する圧縮機と、温水生成
用の高沸点用凝縮器と、高沸点凝縮冷媒と低沸点冷媒と
を分離するセパレータとを直列接続するとともに、温水
生成用の低沸点用凝縮器、低沸点用冷媒減圧素子および
低沸点用利用側蒸発器からなる低沸点回路と、高沸点用
冷媒減圧素子および前記熱動機関冷却用の高沸点用蒸発
器からなる高沸点回路とを前記セパレータと分岐接続し
てなる冷凍装置。(2) A compressor that is driven by a thermal engine and sucks and compresses a heterogeneous mixed refrigerant of a high boiling point refrigerant and a low boiling point refrigerant, a high boiling point condenser for generating hot water, and a high boiling point condensed refrigerant and a low boiling point refrigerant. A low boiling point circuit is connected in series with the separator to be separated, and also includes a low boiling point condenser for generating hot water, a low boiling point refrigerant pressure reduction element, and a low boiling point usage side evaporator, a high boiling point refrigerant pressure reduction element, and the heat source. A refrigeration system in which a high boiling point circuit consisting of a high boiling point evaporator for cooling a moving engine is branch-connected to the separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56184521A JPS5886370A (en) | 1981-11-19 | 1981-11-19 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56184521A JPS5886370A (en) | 1981-11-19 | 1981-11-19 | Refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5886370A true JPS5886370A (en) | 1983-05-23 |
| JPH0229946B2 JPH0229946B2 (en) | 1990-07-03 |
Family
ID=16154650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56184521A Granted JPS5886370A (en) | 1981-11-19 | 1981-11-19 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5886370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59229152A (en) * | 1983-06-09 | 1984-12-22 | 小型ガス冷房技術研究組合 | Air conditioner driven by prime mover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5248145A (en) * | 1975-10-14 | 1977-04-16 | Mitsubishi Electric Corp | Refrigerator with freezing compartment |
| JPS53101756A (en) * | 1977-02-18 | 1978-09-05 | Hitachi Ltd | Refrigerating cycle |
| JPS5523861A (en) * | 1978-08-08 | 1980-02-20 | Tokyo Shibaura Electric Co | Refrigerator |
| JPS5682464U (en) * | 1979-11-30 | 1981-07-03 |
-
1981
- 1981-11-19 JP JP56184521A patent/JPS5886370A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5248145A (en) * | 1975-10-14 | 1977-04-16 | Mitsubishi Electric Corp | Refrigerator with freezing compartment |
| JPS53101756A (en) * | 1977-02-18 | 1978-09-05 | Hitachi Ltd | Refrigerating cycle |
| JPS5523861A (en) * | 1978-08-08 | 1980-02-20 | Tokyo Shibaura Electric Co | Refrigerator |
| JPS5682464U (en) * | 1979-11-30 | 1981-07-03 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59229152A (en) * | 1983-06-09 | 1984-12-22 | 小型ガス冷房技術研究組合 | Air conditioner driven by prime mover |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0229946B2 (en) | 1990-07-03 |
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