JP2538210B2 - Engine driven heat pump device - Google Patents
Engine driven heat pump deviceInfo
- Publication number
- JP2538210B2 JP2538210B2 JP61132395A JP13239586A JP2538210B2 JP 2538210 B2 JP2538210 B2 JP 2538210B2 JP 61132395 A JP61132395 A JP 61132395A JP 13239586 A JP13239586 A JP 13239586A JP 2538210 B2 JP2538210 B2 JP 2538210B2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- engine
- cooling water
- refrigerant
- valve
- 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
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
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
【発明の詳細な説明】 （イ） 産業上の利用分野 この発明はエンジンによってヒートポンプ冷媒回路の
圧縮機を駆動し、冷暖房運転を行なうエンジン駆動式ヒ
ートポンプ装置に関する。The present invention relates to an engine-driven heat pump device that performs a cooling / heating operation by driving a compressor of a heat pump refrigerant circuit with an engine.
（ロ） 従来の技術 従来のこの種のエンジン駆動式ヒートポンプ装置は特
開昭60−178267号公報に開示されているように、室外側
熱交換器と一体に冷却水熱交換器を設け、この冷却水熱
交換器にエンジン冷却水を供給することにより、エンジ
ンの排熱と大気熱とをヒートポンプ冷媒回路で汲み上
げ、暖房熱源として利用していた。(B) Conventional Technology A conventional engine-driven heat pump device of this type is provided with a cooling water heat exchanger integrally with an outdoor heat exchanger, as disclosed in JP-A-60-178267. By supplying the engine cooling water to the cooling water heat exchanger, the exhaust heat of the engine and the atmospheric heat are pumped up by the heat pump refrigerant circuit and used as the heating heat source.
（ハ） 発明が解決しようとする問題点 上述したエンジン駆動式ヒートポンプ装置では外気温
の低下に伴って暖房能力が低下し、遂には暖房運転がで
きなくなる問題があった。(C) Problems to be Solved by the Invention In the engine-driven heat pump device described above, there is a problem that the heating capacity decreases as the outside air temperature decreases, and the heating operation cannot be finally performed.
この発明は上述した事実に鑑みてなされたものであ
り、エンジンの排熱を利用して経済的な暖房運転を行な
うとともに、外気温の低いときでも安定した暖房能力が
得られるようにすることを目的とする。The present invention has been made in view of the above-described facts, and it is an object of the present invention to perform economical heating operation by utilizing exhaust heat of an engine and to obtain stable heating capacity even when the outside temperature is low. To aim.
（ニ） 問題点を解決するための手段 この発明ではエンジンと、このエンジンにて駆動され
る圧縮機、冷媒流路切換弁、室内側熱交換器、減圧装置
及び室外側熱交換器を順次環状に接続するとともに、室
外側熱交換器と並列に開閉板を介して水・冷媒熱交換器
を接続してなるヒートポンプ冷媒回路と、室外側熱交換
器の風上側に設けられた冷却水熱交換器と、運転により
空気を冷却水熱交換器及び室外側熱交換器に流すファン
と、補助熱源とを備え、外気温の高い暖房運転時に開閉
弁を閉じファンを運転するとともに、エンジン冷却水を
冷却水熱交換器に供給し、外気温の低い暖房運転時に開
閉弁を開きファンを停止するとともに、エンジン冷却水
を補助熱源及び水・冷媒熱交換器に供給する構成であ
る。(D) Means for Solving Problems In the present invention, an engine, a compressor driven by this engine, a refrigerant flow path switching valve, an indoor heat exchanger, a pressure reducing device, and an outdoor heat exchanger are sequentially annularly arranged. And a heat pump refrigerant circuit in which the water / refrigerant heat exchanger is connected in parallel with the outdoor heat exchanger via an opening / closing plate, and the cooling water heat exchange provided on the windward side of the outdoor heat exchanger. Equipped with an air conditioner, a fan for flowing air to the cooling water heat exchanger and the outdoor heat exchanger by operation, and an auxiliary heat source. The cooling water is supplied to the heat exchanger, the on-off valve is opened and the fan is stopped during the heating operation at a low outside temperature, and the engine cooling water is supplied to the auxiliary heat source and the water / refrigerant heat exchanger.
（ホ） 作用 外気温の高い暖房運転時は開閉弁が閉じ、水・冷媒熱
交換器への冷媒の流入が阻止されるとともに、冷却水熱
交換器にエンジン冷却水が流れ、ファンの運転により冷
却水熱交換器を通過してエンジンの排熱により温度が上
昇した空気（大気）が室外側熱交換器に流れるので、冷
却水熱交換器を通過した空気が流れる室外側熱交換器で
は大気熱とエンジンの排熱とを利用して冷媒の蒸発作用
が行なわれ、経済的な暖房運転が可能である。また、外
気温の低い暖房運転時は開閉弁が開き、冷媒が水・冷媒
熱交換器に流入するともに、ファンがが運転を停止して
空気が冷却水熱交換器及び室外熱交換器に流れなくな
り、エンジン冷却水が補助熱源及び水・冷媒熱交換器に
供給されるので、水・冷媒熱交換器ではエンジンの排熱
と補助熱源とを利用して冷媒の蒸発作用が行なわれ、外
気温の低いときでも安定した暖房能力が得られる。(E) Action During the heating operation with high outside air temperature, the on-off valve is closed to prevent the refrigerant from flowing into the water / refrigerant heat exchanger, and the engine cooling water flows into the cooling water heat exchanger, causing the fan to operate. The air (atmosphere) whose temperature has risen due to the exhaust heat of the engine after passing through the cooling water heat exchanger flows to the outdoor heat exchanger. The heat and the exhaust heat of the engine are used to evaporate the refrigerant, which enables economical heating operation. In addition, the opening / closing valve opens during heating operation when the outside air temperature is low, and the refrigerant flows into the water / refrigerant heat exchanger, while the fan stops operating and air flows to the cooling water heat exchanger and the outdoor heat exchanger. Since the engine cooling water is no longer supplied and the engine cooling water is supplied to the auxiliary heat source and the water / refrigerant heat exchanger, the water / refrigerant heat exchanger uses the exhaust heat of the engine and the auxiliary heat source to evaporate the refrigerant, thereby reducing the ambient temperature. A stable heating capacity can be obtained even when the temperature is low.
（ヘ） 実施例 以下、この発明を図面に示す実施例について説明す
る。(F) Embodiment Hereinafter, embodiments of the present invention shown in the drawings will be described.
第１図において、エンジン１にて駆動される圧縮機２
と、冷媒流路切換弁としての四方弁３と、室内側熱交換
器４ないし６と、減圧装置としての膨張弁７ないし９及
び逆止弁10ないし12の並列回路と、受液器13と、減圧装
置としての膨張弁14および逆止弁15の並列回路と、室外
側熱交換器16と、アキュームレータ17とが順次環状に接
続されるとともに、膨張弁14及び室外側熱交換器16と並
列に開閉弁18と、減圧装置としての膨張弁19及び逆止弁
20の並列回路と、水・冷媒熱交換器21と、圧力調整弁22
及び逆止弁23の並列回路とが順次接続され、これらによ
ってヒートポンプ冷媒回路24が形成されている。また、
室外側熱交換器16の近傍には冷却水熱交換器25が設けら
れるとともに、室外側熱交換器16及び冷却水熱交換器25
に送風を行なうファン26が設けられている。なお、好ま
しくは実開昭60−116161号公報に開示されているよう
に、冷房時はファン26の運転により冷却水熱交換器25が
室外側熱交換器16と無関係に放熱作用を行ない、暖房時
はファン26の運転により冷却水熱交換器25が室外側熱交
換器16に対して放熱作用を行なうように工夫するか、あ
るいは実開昭58−179467号公報に開示されているように
正逆転可能なファンを使用し、暖房時は矢印方向に、ま
た冷房時は図示と逆方向にそれぞれ送風が行なわれるよ
うにすると良い。In FIG. 1, a compressor 2 driven by an engine 1
A four-way valve 3 as a refrigerant flow switching valve, indoor heat exchangers 4 to 6, a parallel circuit of expansion valves 7 to 9 and check valves 10 to 12 as a pressure reducing device, and a liquid receiver 13. The parallel circuit of the expansion valve 14 and the check valve 15 as a pressure reducing device, the outdoor heat exchanger 16, and the accumulator 17 are sequentially connected in an annular shape, and the expansion valve 14 and the outdoor heat exchanger 16 are connected in parallel. On-off valve 18, expansion valve 19 and check valve as pressure reducing device
20 parallel circuits, water / refrigerant heat exchanger 21, pressure regulating valve 22
And a parallel circuit of the check valve 23 are sequentially connected to form a heat pump refrigerant circuit 24. Also,
A cooling water heat exchanger 25 is provided near the outdoor heat exchanger 16, and the outdoor heat exchanger 16 and the cooling water heat exchanger 25 are provided.
A fan 26 for blowing air is provided. As disclosed in Japanese Utility Model Laid-Open No. 60-116161, preferably, during cooling, the cooling water heat exchanger 25 performs a heat radiating action independently of the outdoor heat exchanger 16 by the operation of the fan 26. At this time, the cooling water heat exchanger 25 should be devised so that the cooling water heat exchanger 25 radiates heat to the outdoor heat exchanger 16 by operating the fan 26, or as disclosed in Japanese Utility Model Application Laid-Open No. 58-179467. It is advisable to use a reversible fan so that air is blown in the direction of the arrow during heating and in the direction opposite to that shown during cooling.
エンジン１の冷却水は補助熱源としての温水ボイラ2
7、循環ポンプ28、29、自動三方混合弁30及び開閉弁31
ないし34を有する冷却水回路35にて冷却水熱交換器25
と、水・冷媒熱交換器21の熱交換コイル21Aとに供給さ
れるようにしてある。The cooling water for the engine 1 is a hot water boiler 2 as an auxiliary heat source.
7, circulation pumps 28, 29, automatic three-way mixing valve 30 and open / close valve 31
A cooling water heat exchanger 25 in a cooling water circuit 35 having
And the heat exchange coil 21A of the water / refrigerant heat exchanger 21.
四方弁３と、開閉弁18、31ないし34と、循環ポンプ2
8、29と、ファン26とは制御装置36によって切換、開閉
制御や運転制御が行なわれている。制御装置36は冷房運
転時に四方弁３を実線状態に切換え、開閉弁18、31、34
を開にするとともに、開閉弁32、33に閉にし、循環ポン
プ28及びファン26を運転させ、循環ポンプ29を停止させ
る。一方、暖房運転時は制御装置36が四方弁３を破線状
態にし、さらに、外気温に応じて次のような制御を行な
う。すなわち、外気温がある温度（例えば０℃）以上の
とき、開閉弁31、34を開にするとともに、開閉弁18、3
2、33を閉にし、循環ポンプ28及びファン26を運転さ
せ、循環ポンプ29を停止させる。また、外気温がある温
度より低くなると、開閉弁18、32、33を開にするととも
に、開閉弁31、34を閉にし、循環ポンプ28、29を運転さ
せ、ファン16を停止させる。Four-way valve 3, on-off valves 18, 31 to 34, circulation pump 2
The control device 36 switches between 8, 29 and the fan 26 to perform opening / closing control and operation control. The controller 36 switches the four-way valve 3 to the solid line state during the cooling operation to open / close the valves 18, 31, 34.
Is opened and the on-off valves 32 and 33 are closed, the circulation pump 28 and the fan 26 are operated, and the circulation pump 29 is stopped. On the other hand, during the heating operation, the control device 36 sets the four-way valve 3 in a broken line state and further performs the following control according to the outside air temperature. That is, when the outside air temperature is higher than a certain temperature (for example, 0 ° C.), the opening / closing valves 31 and 34 are opened, and
2, 33 are closed, the circulation pump 28 and the fan 26 are operated, and the circulation pump 29 is stopped. When the outside air temperature becomes lower than a certain temperature, the open / close valves 18, 32, 33 are opened, the open / close valves 31, 34 are closed, the circulation pumps 28, 29 are operated, and the fan 16 is stopped.
冷房運転時はエンジン１にて駆動される圧縮機２から
吐出された高温・高圧のガス冷媒が四方弁３を通って室
外側熱交換器16及び水・冷媒熱交換器21に供給される。
また、エンジン１の冷却水は循環ポンプ28の運転によ
り、開閉弁31を介して冷却水熱交換器25に循環供給され
る。このとき、循環ポンプ29が停止しているので、水・
冷媒熱交換器21での冷媒の凝縮は極く僅かとなり、冷媒
の凝縮は主に室外側熱交換器16で行なわれる。また、フ
ァン26の運転により、エンジン１の排熱が冷却水熱交換
器25から大気へ放出される。凝縮した液冷媒は受液器13
に溜められた後、膨張弁７ないし９を通って室内側熱交
換器４ないし６に入り、ここで蒸発する。このため、室
内側熱交換器４ないし６を設置した部屋はそれぞれ冷房
される。そして、蒸発した低温・低圧のガス冷媒は四方
弁３及びアキュームレータ17を通って圧縮機２に吸入さ
れる。水・冷媒熱交換器21に冷媒を流すのは冷媒の溜り
込みを防止するためである。During the cooling operation, the high-temperature and high-pressure gas refrigerant discharged from the compressor 2 driven by the engine 1 is supplied to the outdoor heat exchanger 16 and the water / refrigerant heat exchanger 21 through the four-way valve 3.
Further, the cooling water of the engine 1 is circulated and supplied to the cooling water heat exchanger 25 via the opening / closing valve 31 by the operation of the circulation pump 28. At this time, the circulation pump 29 is stopped, so
Condensation of the refrigerant in the refrigerant heat exchanger 21 is extremely small, and the refrigerant is mainly condensed in the outdoor heat exchanger 16. Further, by operating the fan 26, the exhaust heat of the engine 1 is released from the cooling water heat exchanger 25 to the atmosphere. The condensed liquid refrigerant is the receiver 13
After being stored in the indoor heat exchangers 4 to 6 through the expansion valves 7 to 9, they are evaporated there. Therefore, the rooms in which the indoor heat exchangers 4 to 6 are installed are each cooled. Then, the evaporated low-temperature low-pressure gas refrigerant is sucked into the compressor 2 through the four-way valve 3 and the accumulator 17. The reason for flowing the refrigerant into the water / refrigerant heat exchanger 21 is to prevent the refrigerant from accumulating.
一方、暖房時は四方弁３が破線状態に切換わり、外気
温に応じて次のような暖房運転が行なわれる。On the other hand, during heating, the four-way valve 3 is switched to the broken line state, and the following heating operation is performed according to the outside air temperature.
外気温がある温度以上のときは開閉弁31、34が開、開
閉弁18、32、33が閉になり、循環ポンプ28及びファン26
が運転するとともに、循環ポンプ29が停止しており、エ
ンジン冷却水が冷却水熱交換器25に循環供給されてい
る。エンジン１にて駆動される圧縮機２から吐出された
高温・高圧のガス冷媒は四方弁３を通って室内側熱交換
機４ないし６に入り、ここで凝縮した後、受液器13及び
膨張弁14を通って室外側熱交換器16に入り、ここで大気
熱とエンジン１の排熱とを利用して蒸発する。そして、
蒸発した低温・低圧のガス冷媒は四方弁３及びアキュー
ムレータ17を通って圧縮機２に吸入される。このため、
室内側熱交換器４ないし６を設置した部屋はそれぞれ暖
房され、大気熱とエンジン１の排熱とを利用した経済的
な暖房運転が行なわれる。When the outside air temperature is higher than a certain temperature, the on-off valves 31, 34 are opened, the on-off valves 18, 32, 33 are closed, and the circulation pump 28 and the fan 26
Is operating, the circulation pump 29 is stopped, and engine cooling water is circulated and supplied to the cooling water heat exchanger 25. The high-temperature, high-pressure gas refrigerant discharged from the compressor 2 driven by the engine 1 enters the indoor heat exchangers 4 to 6 through the four-way valve 3 and is condensed there, after which the liquid receiver 13 and the expansion valve are condensed. It passes through 14 and enters the outdoor heat exchanger 16, where it is evaporated by utilizing the atmospheric heat and the exhaust heat of the engine 1. And
The evaporated low-temperature low-pressure gas refrigerant is drawn into the compressor 2 through the four-way valve 3 and the accumulator 17. For this reason,
Each room in which the indoor heat exchangers 4 to 6 are installed is heated, and an economical heating operation using atmospheric heat and exhaust heat of the engine 1 is performed.
外気温がある温度より低くなると、開閉弁18、32、33
が開、開閉弁31、34が閉となり、循環ポンプ28、29が運
転するとともに、ファン26が停止する。このとき、エン
ジン冷却水は冷却水回路35を図示矢印のように流れ、温
水ボイラ27と自動三方混合弁30とによってある温度以上
に調整された後、水・冷媒熱交換器21の熱交換コイル21
Aに循環供給される。このため、開閉弁18及び膨張弁19
を介して水・冷媒熱交換器21に供給された液冷媒はエン
ジン１の排熱と温水ボイラ27の熱とを利用して蒸発す
る。また、室外側熱交換器16ではファン26の停止に伴っ
て室外熱交換器16及び冷却水熱交換器25には空気が流れ
なくなり、室外熱交換器16は加熱されなくなり、出口側
の冷媒の過熱度がとれなくなり、膨張弁14が閉じて冷媒
が流れにくくなる。このようにして、エンジン１の排熱
と温水ボイラ27の熱とを利用し、暖房運転を行なうの
で、外気温の低いときでも安定した暖房能力が得られ
る。なお、圧力調整弁22は水・冷媒熱交換器21の入口側
の冷媒圧力に応じて開度の自動調整を行なうものであ
り、水・冷媒熱交換器21の蒸発圧力を一定値以上に保
ち、冷却水の凍結が防止することができる。Open / close valves 18, 32, 33 when the outside temperature becomes lower than a certain temperature.
Is opened, the on-off valves 31, 34 are closed, the circulation pumps 28, 29 are operated, and the fan 26 is stopped. At this time, the engine cooling water flows in the cooling water circuit 35 as shown by the arrow in the figure, and after being adjusted to a certain temperature or higher by the hot water boiler 27 and the automatic three-way mixing valve 30, the heat exchange coil of the water / refrigerant heat exchanger 21 twenty one
Circulated to A. Therefore, the on-off valve 18 and the expansion valve 19
The liquid refrigerant that is supplied to the water / refrigerant heat exchanger 21 via the water is evaporated using the exhaust heat of the engine 1 and the heat of the hot water boiler 27. Further, in the outdoor heat exchanger 16, air stops flowing to the outdoor heat exchanger 16 and the cooling water heat exchanger 25 with the stop of the fan 26, the outdoor heat exchanger 16 is no longer heated, and the refrigerant on the outlet side is cooled. The superheat cannot be obtained, the expansion valve 14 is closed, and it becomes difficult for the refrigerant to flow. In this way, the exhaust heat of the engine 1 and the heat of the hot water boiler 27 are used to perform the heating operation, so that a stable heating capacity can be obtained even when the outside air temperature is low. The pressure adjusting valve 22 is for automatically adjusting the opening degree according to the refrigerant pressure on the inlet side of the water / refrigerant heat exchanger 21, and keeps the evaporation pressure of the water / refrigerant heat exchanger 21 at a certain value or more. , Freezing of cooling water can be prevented.
第２図はこの発明の他の実施例のエンジン駆動式ヒー
トポンプ装置を示すものである。第２図において、第１
図のものと異なるのは、膨張弁37及び逆止弁38の並列回
路を室外側熱交換器16の回路と水・冷媒熱交換器21の回
路に共用し、これらの回路にそれぞれ開閉弁39、40を設
けるとともに、開閉弁40の並列に逆止弁41を設け、冷房
運転時に開閉弁39、40を開にし、外気温の高い暖房運転
時に開閉弁39を開、開閉弁40を閉にし、外気温の低い暖
房運転時に開閉弁39を閉、開閉弁40を開にしたことであ
る。この実施例装置の動作は第１図のものと同様である
ので、説明を省略する。FIG. 2 shows an engine-driven heat pump device according to another embodiment of the present invention. In FIG. 2, the first
The difference from the one shown in the figure is that the parallel circuit of the expansion valve 37 and the check valve 38 is shared by the circuit of the outdoor heat exchanger 16 and the circuit of the water / refrigerant heat exchanger 21, and the opening / closing valve 39 is provided in each of these circuits. , 40, and a check valve 41 in parallel with the on-off valve 40 to open the on-off valves 39 and 40 during the cooling operation, open the on-off valve 39 and close the on-off valve 40 during the heating operation with high outside temperature. The opening / closing valve 39 was closed and the opening / closing valve 40 was opened during the heating operation with a low outside temperature. Since the operation of the apparatus of this embodiment is the same as that of FIG. 1, its explanation is omitted.
なお、上述した実施例では外気温の低い暖房運転時に
ファン26を停止させ、エンジン冷却水を冷却水熱交換器
25を介して温水ボイラ27及び水・冷媒熱交換器21に供給
するようにしたが、冷却水熱交換器25を介さずにこれら
に冷却水が供給されるようにしても良く、この場合、フ
ァン26を停止させるようにすれば、室外側熱交換器16で
冷媒の凝縮作用が行なわれるのを防止できる利点があ
る。In the embodiment described above, the fan 26 is stopped during the heating operation in which the outside air temperature is low, and the engine cooling water is cooled by the cooling water heat exchanger.
Although the hot water boiler 27 and the water / refrigerant heat exchanger 21 are supplied via 25, the cooling water may be supplied to them without the cooling water heat exchanger 25, in this case, If the fan 26 is stopped, there is an advantage that it is possible to prevent the refrigerant from condensing in the outdoor heat exchanger 16.
（ト） 発明の効果 この発明は以上のように構成されているので、外気温
の高いときは大気熱とエンジンの排熱とを利用して経済
的な暖房運転を行なうことができ、外気温の低いときは
エンジンの排熱と補助熱源の熱とを利用して安定した暖
房能力を得ることができるなど、運転効率が優れている
とともに、寒冷地でのヒートポンプ暖房に最適である。(G) Effect of the Invention Since the present invention is configured as described above, it is possible to perform an economical heating operation by utilizing atmospheric heat and engine exhaust heat when the outside air temperature is high. When the temperature is low, the exhaust heat of the engine and the heat of the auxiliary heat source can be used to obtain a stable heating capacity, and the operating efficiency is excellent, and it is optimal for heat pump heating in cold regions.
第１図及び第２図はそれぞれこの発明の一実施例を示す
エンジン駆動式ヒートポンプ装置の回路構成図である。 １……エンジン、２……圧縮機、３……四方弁（冷媒流
路切換弁）、４〜６……室内側熱交換器、７〜９、14、
19、37……膨張弁（減圧装置）、16……室外側熱交換
器、21……水・冷媒熱交換器、24……ヒートポンプ冷媒
回路、25……冷却水熱交換器、18、40……開閉弁、27…
…温水ボイラ（補助熱源）。1 and 2 are circuit configuration diagrams of an engine-driven heat pump device showing an embodiment of the present invention. 1 ... Engine, 2 ... Compressor, 3 ... Four-way valve (refrigerant flow path switching valve), 4-6 ... Indoor heat exchanger, 7-9, 14,
19, 37 ... Expansion valve (pressure reducing device), 16 ... Outdoor heat exchanger, 21 ... Water / refrigerant heat exchanger, 24 ... Heat pump refrigerant circuit, 25 ... Cooling water heat exchanger, 18,40 ...... Open / close valve, 27 ...
… Hot water boiler (auxiliary heat source).
Claims (1)
圧縮機、冷媒流路切換弁、室内側熱交換器、減圧装置及
び室外側熱交換器を順次環状に接続するとともに、室外
側熱交換器と並列に開閉板を介して水・冷媒熱交換器を
接続してなるヒートポンプ冷媒回路と、室外側熱交換器
の風上側に設けられた冷却水熱交換器と、運転により空
気を冷却水熱交換器及び室外側熱交換器に流すファン
と、補助熱源とを備え、外気温の高い暖房運転時に開閉
弁を閉じファンを運転するとともに、エンジン冷却水を
冷却水熱交換器に供給し、外気温の低い暖房運転時に開
閉弁を開きファンを停止するとともに、エンジン冷却水
を補助熱源及び水・冷媒熱交換器に供給することを特徴
とするエンジン駆動式ヒートポンプ装置。1. An engine, a compressor driven by the engine, a refrigerant flow path switching valve, an indoor heat exchanger, a pressure reducing device and an outdoor heat exchanger are sequentially connected in an annular shape, and an outdoor heat exchange is performed. Heat pump refrigerant circuit in which a water / refrigerant heat exchanger is connected in parallel with the heat exchanger via an opening / closing plate, a cooling water heat exchanger provided on the windward side of the outdoor heat exchanger, and air is cooled by operating as cooling water. A fan that flows to the heat exchanger and the outdoor heat exchanger, and an auxiliary heat source are provided, and the opening / closing valve is closed to operate the fan during heating operation with high outside temperature, and engine cooling water is supplied to the cooling water heat exchanger, An engine-driven heat pump device characterized by opening and closing an on-off valve and stopping a fan during heating operation when the outside temperature is low, and supplying engine cooling water to an auxiliary heat source and a water / refrigerant heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61132395A JP2538210B2 (en) | 1986-06-06 | 1986-06-06 | Engine driven heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61132395A JP2538210B2 (en) | 1986-06-06 | 1986-06-06 | Engine driven heat pump device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62294872A JPS62294872A (en) | 1987-12-22 |
| JP2538210B2 true JP2538210B2 (en) | 1996-09-25 |
Family
ID=15080386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61132395A Expired - Lifetime JP2538210B2 (en) | 1986-06-06 | 1986-06-06 | Engine driven heat pump device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2538210B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2730934B2 (en) * | 1988-11-18 | 1998-03-25 | 三洋電機株式会社 | Heat pump refrigeration system |
| JP2548790B2 (en) * | 1989-01-19 | 1996-10-30 | 日本電装株式会社 | heat pump |
| JP2001221531A (en) * | 2000-02-04 | 2001-08-17 | Mitsubishi Heavy Ind Ltd | Air conditioner |
| JP5030344B2 (en) * | 2001-08-31 | 2012-09-19 | 三菱重工業株式会社 | Gas heat pump type air conditioner, engine cooling water heating device, and operation method of gas heat pump type air conditioner |
| JP4565923B2 (en) * | 2004-08-03 | 2010-10-20 | 三洋電機株式会社 | Air conditioner |
-
1986
- 1986-06-06 JP JP61132395A patent/JP2538210B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62294872A (en) | 1987-12-22 |
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