JPH03217768A - Engine-driven cooling and heating device - Google Patents
Engine-driven cooling and heating deviceInfo
- Publication number
- JPH03217768A JPH03217768A JP2012243A JP1224390A JPH03217768A JP H03217768 A JPH03217768 A JP H03217768A JP 2012243 A JP2012243 A JP 2012243A JP 1224390 A JP1224390 A JP 1224390A JP H03217768 A JPH03217768 A JP H03217768A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- air
- heat exchanger
- heat
- outdoor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 title abstract description 10
- 239000003507 refrigerant Substances 0.000 claims abstract description 26
- 238000004378 air conditioning Methods 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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
- Central Heating Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明はエンジンにより冷媒圧縮機を駆動するように
したエンジン駆動冷暖房装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an engine-driven air-conditioning and heating system in which a refrigerant compressor is driven by an engine.
〔従来の技術］
第２図は例えば特開昭６３−１５０５６２号公報に示さ
れた従来のエンジン駆動冷暖房装置を示す構成図であり
、図において、１はエンジン、２はエンジン１によって
駆動される冷媒圧縮機、３は冷暖房を切り替える四方弁
、４は圧縮された冷媒が加えられる室内熱交換器、５は
室内熱交換器４からの冷媒が通る膨張弁、６ば膨張弁５
からの冷媒が加えられる室外熱交換器、７はエンジン冷
却水循環用のポンプ、８はエンジン冷却水の熱を放出す
る室外熱交換器６と一体の放熱器、９は室内熱交換器４
に送風する室内送風機、１０は室外熱交換器６に送風す
る室外送風機である。[Prior Art] FIG. 2 is a block diagram showing a conventional engine-driven air conditioning system disclosed in, for example, Japanese Patent Application Laid-Open No. 150562/1982. In the figure, 1 is an engine, and 2 is a system driven by the engine 1. A refrigerant compressor, 3 a four-way valve for switching between air conditioning and heating, 4 an indoor heat exchanger to which the compressed refrigerant is added, 5 an expansion valve through which the refrigerant from the indoor heat exchanger 4 passes, and 6 an expansion valve 5
7 is a pump for circulating engine cooling water; 8 is a radiator integrated with the outdoor heat exchanger 6 that releases heat from the engine cooling water; 9 is an indoor heat exchanger 4;
10 is an outdoor blower that blows air to the outdoor heat exchanger 6.
次に動作について説明する。Next, the operation will be explained.
エンジン１により冷媒圧縮機２を駆動する。この冷媒圧
縮機２によって圧縮された冷媒は四方弁３を通り、室内
熱交換器４内で凝縮する。このときの凝縮熱で加熱され
た空気は、室内送風機９で室内に送られ暖房に供される
。また凝縮した冷媒は膨張弁５を通り、室外熱交換器６
内で蒸発する。A refrigerant compressor 2 is driven by an engine 1 . The refrigerant compressed by the refrigerant compressor 2 passes through the four-way valve 3 and is condensed in the indoor heat exchanger 4. The air heated by the heat of condensation at this time is sent indoors by the indoor blower 9 and is used for heating. In addition, the condensed refrigerant passes through the expansion valve 5 and passes through the outdoor heat exchanger 6.
evaporates within.
このとき冷媒の蒸発に必要な熱は室外送風機１０で送ら
れる外気より奪うことになる。この蒸発した冷媒は再び
四方弁３を通り、冷媒圧縮機２に吸込まれる。At this time, the heat necessary for evaporating the refrigerant is taken away from the outside air sent by the outdoor blower 10. This evaporated refrigerant passes through the four-way valve 3 again and is sucked into the refrigerant compressor 2.
一方、エンジンＩは冷却水によって冷やされる。On the other hand, engine I is cooled by cooling water.
エンジン１を冷却することにより、加熱された冷却水は
ボンブ７によって室外熱交換器６に送られる。このとき
冷却水は通常高温（８０゜Ｃ前後）であり、外気によっ
て冷却されると共に、室外熱交換器６の熱伝導により、
低温の蒸発器（通常５゜Ｃ以下）に熱を伝える。この場
合、冷媒側から見ると、エンジン１の排熱を回収したこ
とになる。一方、冷やされた冷却水は再びエンジン１に
もどる。By cooling the engine 1, heated cooling water is sent to the outdoor heat exchanger 6 by the bomb 7. At this time, the cooling water is usually at a high temperature (around 80°C), and is cooled by the outside air and due to heat conduction from the outdoor heat exchanger 6.
Heat is transferred to a low temperature evaporator (usually below 5°C). In this case, when viewed from the refrigerant side, the exhaust heat of the engine 1 is recovered. On the other hand, the cooled cooling water returns to the engine 1 again.
従来のエンジン駆動冷暖房装置は以上のように構成され
ているので、エンジン１の熱を放出する放熱器８を必要
とし、かつ放熱器８で放出する熱を回収するために、室
外熱交換器６の莫発器と放熱器８とを一体とすることが
必要であり、このため機器の構成が複雑となり、製造効
率が低下し、またコストも高くなるなどの課題があった
。Since the conventional engine-driven air conditioning system is configured as described above, it requires a radiator 8 to radiate heat from the engine 1, and an outdoor heat exchanger 6 to recover the heat radiated by the radiator 8. It is necessary to integrate the heat generator and the heat radiator 8 into one unit, which causes problems such as a complicated configuration of the device, lower manufacturing efficiency, and higher costs.
この発明は上記のような課題を解消するためになされた
もので、簡単かつ安価な機構でエンジンの排熱を回収し
て、暖房能力を増加することのできるエンジン駆動冷暖
房装置を得ることを目的とする。This invention was made to solve the above-mentioned problems, and the purpose is to obtain an engine-driven air-conditioning and heating system that can increase heating capacity by recovering engine exhaust heat with a simple and inexpensive mechanism. shall be.
この発明に係るエンジン駆動冷暖房装置は、エンジンを
空冷手段により冷却すると共に、室外熱交換器に工．ン
ジンを冷却した空気を通す構成としたものである。The engine-driven air-conditioning system according to the present invention cools the engine using an air cooling means, and also uses an outdoor heat exchanger. It is designed to allow cooled air to pass through the engine.
この発明におけるエンジン駆動冷暖房装置は、エンジン
を冷却して加熱された空気を室外熱交換器に送ることに
より、エンジンの排熱を回収する。The engine-driven air conditioning system according to the present invention recovers exhaust heat from the engine by cooling the engine and sending heated air to an outdoor heat exchanger.
以下、この発明の一実施例を図について説明する。第１
図においては第２図と対応する部分には同一符号を付し
て説明を省略する。An embodiment of the present invention will be described below with reference to the drawings. 1st
In the figure, parts corresponding to those in FIG. 2 are denoted by the same reference numerals, and explanations thereof will be omitted.
第１図において、１１はエンジン１に設けられた冷却フ
ィン、１２は冷却フィン１１に空気を取込むと共に冷却
フィン１１を通過した空気を室外熱交換器６に伝えるた
めの風路である。なお、冷却フィン１１と風路１２とに
より、エンジン１の空冷手段を構成している。１３はエ
ンジン１、冷媒圧縮機２、四方弁３、膨張弁５、室外熱
交換器６、室外送風機１０、冷却フィン１１および風路
１２等を収納する室外ユニットである。In FIG. 1, 11 is a cooling fin provided on the engine 1, and 12 is an air path for taking air into the cooling fin 11 and transmitting the air that has passed through the cooling fin 11 to the outdoor heat exchanger 6. Note that the cooling fins 11 and the air passage 12 constitute air cooling means for the engine 1. 13 is an outdoor unit that houses the engine 1, refrigerant compressor 2, four-way valve 3, expansion valve 5, outdoor heat exchanger 6, outdoor blower 10, cooling fins 11, air passage 12, and the like.
次に動作について説明する。Next, the operation will be explained.
エンジン１により冷媒圧縮機２を駆動し、冷媒を圧縮す
る。この圧縮された冷媒は、四方弁３を通じて室内熱交
換器４に入り凝縮する。このときの凝縮熱で加熱された
空気は、室内送風機９により室内に送られ暖房に供され
る。また凝縮した冷媒は膨張弁５を通り、室外熱交換器
６に入り蒸発する。このとき蒸発に必要な熱は室外送風
機１０にて送られる外気より奪うことになる。蒸発した
冷媒は四方弁３を通り、再び圧縮機２へ吸込まれる。The engine 1 drives the refrigerant compressor 2 to compress the refrigerant. This compressed refrigerant enters the indoor heat exchanger 4 through the four-way valve 3 and is condensed. The air heated by the condensation heat at this time is sent into the room by the indoor blower 9 and is used for heating. Further, the condensed refrigerant passes through the expansion valve 5, enters the outdoor heat exchanger 6, and evaporates. At this time, the heat necessary for evaporation is taken away from the outside air sent by the outdoor blower 10. The evaporated refrigerant passes through the four-way valve 3 and is sucked into the compressor 2 again.
一方、エンジン１は室外送風機１０により風路１２を通
じて吸込まれた空気で冷却フィン１１を介して冷却され
る。エンジン１の冷却に供した空気は加熱され、風路１
２を通り、室外熱交換器６に流入する。室外熱交換器６
はエンジン１の排熱によって加熱された空気から熱を奪
うことになり、これを冷媒回路側から見れば、エンジン
ｌの排熱を回収したことになる。On the other hand, the engine 1 is cooled by the air sucked in through the air passage 12 by the outdoor blower 10 via the cooling fins 11 . The air used for cooling the engine 1 is heated and
2 and flows into the outdoor heat exchanger 6. Outdoor heat exchanger 6
This means that heat is taken from the air heated by the exhaust heat of the engine 1, and when viewed from the refrigerant circuit side, this means that the exhaust heat of the engine 1 is recovered.
以上のように、この発明によれば、エンジンを空冷とし
、室外熱交換器にエンジンを冷却した空気を通すように
構成したので、冷却水循環用のボンブや放熱器等が不要
となり、このため構成が簡単になると共に、装置が安価
にでき、かつ、エンジンの排熱が有効に回収される等の
効果がある。As described above, according to the present invention, since the engine is air-cooled and the air cooled by the engine is passed through the outdoor heat exchanger, there is no need for a bomb or a radiator for cooling water circulation. The system is simple, the device can be manufactured at low cost, and exhaust heat from the engine can be effectively recovered.
第１図はこの発明の一実施例によるエンジン駆動冷暖房
装置を示す構成図、第２図は従来のエンジン駆動冷暖房
装置を示す構成図である。
ｌはエンジン、２は冷媒圧縮機、６は室外熱交換器、１
ｌは冷却フィン、１２は風路。
なお、図中、同一符号は同一、又は相当部分を示す。FIG. 1 is a block diagram showing an engine-driven heating and cooling system according to an embodiment of the present invention, and FIG. 2 is a block diagram showing a conventional engine-driven cooling and heating system. l is the engine, 2 is the refrigerant compressor, 6 is the outdoor heat exchanger, 1
1 is a cooling fin, and 12 is an air path. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
ン駆動冷暖房装置において、上記エンジンを空気により
冷却するための空冷手段と、上記空冷手段を介して上記
エンジンにより加熱された空気を室外熱交換器に伝える
風路とを設けたことを特徴とするエンジン駆動冷暖房装
置。An engine-driven air-conditioning system in which a refrigerant compressor is driven by an engine, comprising an air cooling means for cooling the engine with air, and transmitting air heated by the engine to an outdoor heat exchanger via the air cooling means. An engine-driven air conditioning system characterized by having an air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012243A JPH03217768A (en) | 1990-01-22 | 1990-01-22 | Engine-driven cooling and heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012243A JPH03217768A (en) | 1990-01-22 | 1990-01-22 | Engine-driven cooling and heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03217768A true JPH03217768A (en) | 1991-09-25 |
Family
ID=11799925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012243A Pending JPH03217768A (en) | 1990-01-22 | 1990-01-22 | Engine-driven cooling and heating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03217768A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011112248A (en) * | 2009-11-25 | 2011-06-09 | Nishimatsu Constr Co Ltd | Hot water supply/power generation system and operation control method for the same |
-
1990
- 1990-01-22 JP JP2012243A patent/JPH03217768A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011112248A (en) * | 2009-11-25 | 2011-06-09 | Nishimatsu Constr Co Ltd | Hot water supply/power generation system and operation control method for the same |
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