JPH0531487Y2 - - Google Patents
Info
- Publication number
- JPH0531487Y2 JPH0531487Y2 JP1986070948U JP7094886U JPH0531487Y2 JP H0531487 Y2 JPH0531487 Y2 JP H0531487Y2 JP 1986070948 U JP1986070948 U JP 1986070948U JP 7094886 U JP7094886 U JP 7094886U JP H0531487 Y2 JPH0531487 Y2 JP H0531487Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- engine
- compressor
- outdoor
- cooling 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 - 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
- Other Air-Conditioning Systems (AREA)
Description
【考案の詳細な説明】
(イ) 産業上の利用分野
この考案は圧縮機がエンジンにて駆動されるエ
ンジン駆動式空気調和装置に関する。[Detailed description of the invention] (a) Industrial application field This invention relates to an engine-driven air conditioner in which a compressor is driven by an engine.
(ロ) 従来の技術
従来のこの種のエンジン駆動式空気調和装置は
実開昭60−116161号公報に開示されているよう
に、エンジンで圧縮機を駆動して室内の冷暖房を
行なつていた。また、エンジンの冷却水を室外側
熱交換器の近傍に配設した放熱器に供給し、冷房
時はエンジンの排熱を大気に放出させるととも
に、暖房時はエンジンの排熱を暖房熱源として利
用していた。(b) Conventional technology As disclosed in Japanese Utility Model Application Publication No. 116161/1983, conventional engine-driven air conditioners of this type use the engine to drive a compressor to cool and heat the room. . In addition, engine cooling water is supplied to a radiator placed near the outdoor heat exchanger, allowing engine exhaust heat to be released into the atmosphere during cooling, and using engine exhaust heat as a heating heat source during heating. Was.
(ハ) 考案が解決しようとする問題点
ところで、上述したエンジン駆動式空気調和装
置は室外側熱交換器の送風フアンに人体が誤つて
触れ、負傷するのを防止するため、通風路にフア
ンガードが設けられていた。しかしながら、フア
ンガードはエキスバンドメタルやワイヤロツドの
成形品であるため、降雪時やみぞれの時に雪や氷
がフアンガードに付着し、フアンガードが目詰ま
りする心配があつた。(c) Problems to be solved by the invention By the way, the above-mentioned engine-driven air conditioner is equipped with a fan guard in the ventilation path to prevent people from accidentally touching the ventilation fan of the outdoor heat exchanger and being injured. was set up. However, since the fan guard is a molded product made of expanded metal or wire rod, there was a concern that snow and ice would adhere to the fan guard during snowfall or sleet, causing the fan guard to become clogged.
この考案は上述した事実に鑑みてなされたもの
であり、フアンガードの目詰まりを確実に防止
し、安定した空調運転が行なえるようにすること
を目的とする。 This invention was made in view of the above-mentioned facts, and aims to reliably prevent clogging of the fan guard and enable stable air conditioning operation.
(ニ) 問題点を解決するための手段
この考案ではエンジンと、このエンジンにて駆
動される圧縮機、室外側熱交換器、減圧装置及び
室内側熱交換器を順次接続した冷凍回路と、室外
側熱交換器と外気とを熱交換させる室外フアンと
を備え、冷房運転時に冷媒が圧縮機から室外側熱
交換器、減圧装置及び室内側熱交換器を順次流れ
て圧縮機に戻り、暖房運転時に冷媒が室内側熱交
換器、減圧装置及び室内側熱交換器を順次流れて
圧縮機に戻るエンジン駆動式空気調和装置におい
て、室外フアンの通風路にこのフアンガードを兼
ねると共にエンジンの冷却水回路に接続され少な
くとも暖房運転時に冷却水が流れる放熱器を設け
た構成である。(d) Means for solving the problem In this invention, an engine, a compressor driven by the engine, an outdoor heat exchanger, a pressure reducing device, and an indoor heat exchanger are connected in sequence to a refrigeration circuit, and an indoor heat exchanger. Equipped with an outside heat exchanger and an outdoor fan that exchanges heat with outside air, during cooling operation, the refrigerant flows sequentially from the compressor through the outdoor heat exchanger, pressure reduction device, and indoor heat exchanger and returns to the compressor, during heating operation. In an engine-driven air conditioner in which refrigerant flows sequentially through an indoor heat exchanger, a pressure reducer, and an indoor heat exchanger and returns to the compressor, the outdoor fan's ventilation path also serves as a fan guard and is installed in the engine's cooling water circuit. This configuration includes a radiator connected to the radiator through which cooling water flows at least during heating operation.
(ホ) 作用
暖房運転時にエンジンの冷却水が供給される放
熱器をフアンガードに兼用したので、例えば冬季
の暖房運転時の雪やみぞれの付着によるフアンガ
ードの目詰まりがエンジンの排熱を利用して防止
される。(e) Effect The fan guard is also used as a radiator to which engine cooling water is supplied during heating operation, so if the fan guard becomes clogged with snow or sleet during heating operation in winter, the exhaust heat from the engine can be used. is prevented.
(ヘ) 実施例
以下、この考案を図面に示す実施例について詳
細に説明する。(F) Embodiments Hereinafter, embodiments of this invention shown in the drawings will be described in detail.
第１図において、エンジン１にて駆動される圧
縮機２、冷媒流路切換弁（四方弁）３、室外側熱
交換器４，４、冷房用逆止弁５と暖房用減圧装置
６の並列回路、受液器７、暖房用逆止弁８と冷房
用減圧装置９の並列回路、室内側熱交換器１０、
気液分離器１１が順次環状に連設され、冷凍回路
１２が形成されている。室外側熱交換器４，４の
近傍には室外フアン１３が配設されている。室外
側熱交換器４，４の上部には室外側熱交換器４，
４の通風路と並流して外気が流れるように第１放
熱器１４，１４が一体的に取付けられている。ま
た、室外側熱交換器４，４の通風路の上流側とな
る室外側熱交換器４，４の側部には第２放熱器１
５，１５が一体的に取付けられている。また、室
外フアン１３の吐出側に第３放熱器１６が設けら
れている。これらの放熱器１４，１４，１５，１
５，１６は電磁弁等の切換弁１７，１８を有する
冷却水回路１９を介してエンジン１と配管接続さ
れ、エンジン１の冷却水が循環供給されている。
なお、冷房時は切換弁１７が開，切換弁１８が閉
となり、暖房時は切換弁１７が閉，切換弁１８が
開となる。また、切換弁１７，１８を１個の三方
切換弁に代用させても良い。 In FIG. 1, a compressor 2 driven by an engine 1, a refrigerant flow switching valve (four-way valve) 3, outdoor heat exchangers 4, 4, a cooling check valve 5, and a heating pressure reducing device 6 are arranged in parallel. circuit, liquid receiver 7, parallel circuit of heating check valve 8 and cooling pressure reducing device 9, indoor heat exchanger 10,
Gas-liquid separators 11 are successively arranged in an annular manner to form a refrigeration circuit 12. An outdoor fan 13 is disposed near the outdoor heat exchangers 4, 4. On the upper part of the outdoor heat exchanger 4, 4, the outdoor heat exchanger 4,
The first radiators 14, 14 are integrally attached so that the outside air flows in parallel with the ventilation path No. 4. In addition, a second radiator 1 is provided on the side of the outdoor heat exchangers 4, 4 on the upstream side of the ventilation path of the outdoor heat exchangers 4, 4.
5 and 15 are integrally attached. Further, a third radiator 16 is provided on the discharge side of the outdoor fan 13. These heat sinks 14, 14, 15, 1
5 and 16 are pipe-connected to the engine 1 via a cooling water circuit 19 having switching valves 17 and 18 such as electromagnetic valves, and cooling water for the engine 1 is supplied in circulation.
Note that during cooling, the switching valve 17 is open and switching valve 18 is closed, and during heating, the switching valve 17 is closed and the switching valve 18 is open. Further, the switching valves 17 and 18 may be replaced by one three-way switching valve.
第３放熱器１６は第２図及び第３図に示すよう
に、蛇行形成された放熱管２０と、この放熱管２
０の外側に結合された多数のロツドフイン２１と
からなり、このロツドフイン２１がフアンガード
を兼ねている。 As shown in FIGS. 2 and 3, the third heat radiator 16 includes a meandering heat sink 20 and a heat sink 20.
It consists of a large number of rod fins 21 connected to the outside of the fan, and these rod fins 21 also serve as fan guards.
冷房時は冷媒流路切換弁３が実線状態になり、
切換弁１７が開、切換弁１８が閉になる。エンジ
ン１を運転させ、圧縮機２を駆動すると、冷媒が
圧縮機２−冷媒流路切換弁３−室外側熱交換器
４，４−冷房用逆止弁５−受液器７−冷房用減圧
装置９−室内側熱交換器１０−冷媒流路切換弁３
−気液分離器１１−圧縮機２の順に流れ、室外側
熱交換器４，４が凝縮作用を行なうとともに、室
内側熱交換器１０が蒸発作用を行なう。このた
め、室内側熱交換器１０を設置した部屋は冷房さ
れる。また、エンジン１の冷却水が切換弁１７を
通つて第１放熱器１４，１４及び第３放熱器１６
に循環供給され、エンジン１の排熱は室外フアン
１３による第１放熱器１４，１４及び第３放熱器
１６への送風作用により大気へ放散される。 During cooling, the refrigerant flow path switching valve 3 becomes a solid line state,
The switching valve 17 is opened and the switching valve 18 is closed. When the engine 1 is operated and the compressor 2 is driven, the refrigerant flows into the compressor 2 - refrigerant flow path switching valve 3 - outdoor heat exchanger 4, 4 - cooling check valve 5 - liquid receiver 7 - cooling pressure reduction. Device 9 - Indoor heat exchanger 10 - Refrigerant flow path switching valve 3
It flows in the order of - gas-liquid separator 11 - compressor 2, and the outdoor heat exchangers 4 perform a condensing action, while the indoor heat exchanger 10 performs an evaporation action. Therefore, the room in which the indoor heat exchanger 10 is installed is cooled. Also, the cooling water of the engine 1 passes through the switching valve 17 to the first radiators 14, 14 and the third radiator 16.
The exhaust heat of the engine 1 is radiated to the atmosphere by the outdoor fan 13 blowing air to the first radiators 14, 14 and the third radiator 16.
暖房時は冷媒流路切換弁３が破線状態になり、
切換弁１７が閉，切換弁１８が開になる。エンジ
ン１を運転させ、圧縮機２を駆動すると、冷媒が
圧縮機２−冷媒流路切換弁３−室内側熱交換器１
０−暖房用逆止弁８−受液器７−暖房用減圧装置
６−室外側熱交換器４，４−冷媒流路切換弁３−
気液分離器１１−圧縮機２の順に流れ、室外側熱
交換器４，４が蒸発作用を行なうととともに、室
内側熱交換器１０が凝縮作用を行なう。このた
め、室内側熱交換器１０を設置した部屋は暖房さ
れる。また、エンジン１の冷却水が切換弁１８を
通つて第２放熱器１５，１５及び第３放熱器１６
に循環供給され、エンジン１の排熱は室外フアン
１３による第２放熱器１５，１５および室外側熱
交換器４，４への送風作用により暖房熱源として
利用されるとともに、余剰熱が第３放熱器１６か
ら大気へ放散される。 During heating, the refrigerant flow path switching valve 3 is in a broken line state,
The switching valve 17 is closed and the switching valve 18 is opened. When the engine 1 is operated and the compressor 2 is driven, the refrigerant flows from the compressor 2 to the refrigerant flow path switching valve 3 to the indoor heat exchanger 1.
0-Heating check valve 8-Liquid receiver 7-Heating pressure reducing device 6-Outdoor heat exchanger 4, 4-Refrigerant flow path switching valve 3-
The air flows in the order of gas-liquid separator 11 and compressor 2, and the outdoor heat exchangers 4 perform an evaporation action, while the indoor heat exchanger 10 performs a condensation action. Therefore, the room in which the indoor heat exchanger 10 is installed is heated. Also, the cooling water of the engine 1 passes through the switching valve 18 to the second radiators 15, 15 and the third radiator 16.
The exhaust heat of the engine 1 is used as a heating heat source by the outdoor fan 13 blowing air to the second radiators 15, 15 and the outdoor heat exchangers 4, 4, and the excess heat is used as a heating heat source in the third heat radiator. from the vessel 16 to the atmosphere.
本実施例によれば、第１放熱器１４，１４また
は第２放熱器１５，１５を通過したエンジン冷却
水がフアンガードを兼ねる第３放熱器１６を流れ
るようにしたので、エンジン冷却水を十分に放熱
させることができるとともに、降雪時やみぞれの
時でもフアンガードに雪や氷が付着し、フアンガ
ードが目詰まりする心配がなく、年間を通じて安
定した空調運転が可能である。 According to this embodiment, the engine cooling water that has passed through the first radiators 14, 14 or the second radiators 15, 15 is made to flow through the third radiator 16, which also serves as a fan guard, so that the engine cooling water is sufficiently In addition to being able to dissipate heat, there is no need to worry about the fan guard becoming clogged with snow or ice even during snowfall or sleet, allowing stable air conditioning operation throughout the year.
(ト) 考案の効果
この考案は以上のように構成されているので、
暖房運転時にエンジンの排熱を有効に活用してフ
アンガードに雪や氷が付着しないようにでき、フ
アンガードの目詰まりを防止できるとともに、エ
ンジン冷却水の放熱を良好に行なうことができる
など、安定した空調運転が期待できるものであ
る。(g) Effects of the invention This invention is structured as described above, so
During heating operation, engine exhaust heat is effectively used to prevent snow and ice from adhering to the fan guard, preventing clogging of the fan guard, and improving heat dissipation of engine cooling water. Stable air conditioning operation can be expected.
第１図はこの考案の一実施例を示すエンジン駆
動式空気調和装置の配管系統図、第２図はフアン
ガードを兼ねる放熱器の平面図、第３図は放熱管
とフインロツドの結合状態を示す説明図である。
１……エンジン、２……圧縮機、４……室外側
熱交換器、６，９……減圧装置、１０……室内側
熱交換器、１２……冷凍回路、１６……フアンガ
ードを兼ねる放熱器、１８……冷却水回路。
Fig. 1 is a piping system diagram of an engine-driven air conditioner showing an embodiment of this invention, Fig. 2 is a plan view of a radiator that also serves as a fan guard, and Fig. 3 is a diagram showing how the radiator tube and fin rod are connected. It is an explanatory diagram. 1... Engine, 2... Compressor, 4... Outdoor heat exchanger, 6, 9... Pressure reducing device, 10... Indoor heat exchanger, 12... Refrigeration circuit, 16... Also serves as fan guard Heat sink, 18...Cooling water circuit.
Claims (1)
機、室外側熱交換器、減圧装置及び室内側熱交換
器を順次接続した冷凍回路と、室外側熱交換器と
外気とを熱交換させる室外フアンとを備え、冷房
運転時に冷媒が圧縮機から室外側熱交換器、減圧
装置及び室内側熱交換器を順次流れて圧縮機に戻
り、暖房運転時に冷媒が室内側熱交換器、減圧装
置及び室外側熱交換器を順次流れて圧縮機に戻る
エンジン駆動式空気調和装置において、室外フア
ンの通風路にこのフアンガードを兼ねると共にエ
ンジンの冷却水回路に接続され、少なくとも暖房
運転時に冷却水が流れる放熱器を設けたことを特
徴とするエンジン駆動式空気調和装置。 An engine, a refrigeration circuit that sequentially connects a compressor driven by the engine, an outdoor heat exchanger, a pressure reduction device, and an indoor heat exchanger, and an outdoor fan that exchanges heat between the outdoor heat exchanger and outside air. During cooling operation, refrigerant flows sequentially from the compressor through the outdoor heat exchanger, pressure reduction device, and indoor heat exchanger and returns to the compressor, and during heating operation, the refrigerant flows through the indoor heat exchanger, pressure reduction device, and outdoor heat exchanger. In an engine-driven air conditioner that flows sequentially through a heat exchanger and returns to a compressor, a radiator that also serves as a fan guard in the outdoor fan ventilation path and is connected to the engine's cooling water circuit, through which cooling water flows at least during heating operation. An engine-driven air conditioner characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986070948U JPH0531487Y2 (en) | 1986-05-12 | 1986-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986070948U JPH0531487Y2 (en) | 1986-05-12 | 1986-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62181854U JPS62181854U (en) | 1987-11-18 |
| JPH0531487Y2 true JPH0531487Y2 (en) | 1993-08-12 |
Family
ID=30913055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986070948U Expired - Lifetime JPH0531487Y2 (en) | 1986-05-12 | 1986-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0531487Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575316U (en) * | 1980-06-09 | 1982-01-12 |
-
1986
- 1986-05-12 JP JP1986070948U patent/JPH0531487Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62181854U (en) | 1987-11-18 |
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