JPS59128953A - Coolant device for engine of engine-driven heat pump system - Google Patents

Coolant device for engine of engine-driven heat pump system

Info

Publication number
JPS59128953A
JPS59128953A JP164983A JP164983A JPS59128953A JP S59128953 A JPS59128953 A JP S59128953A JP 164983 A JP164983 A JP 164983A JP 164983 A JP164983 A JP 164983A JP S59128953 A JPS59128953 A JP S59128953A
Authority
JP
Japan
Prior art keywords
engine
water
heat exchanger
cooled heat
pump system
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
Application number
JP164983A
Other languages
Japanese (ja)
Inventor
Tomoyuki Takamoto
高本 倫行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanmar Co Ltd
Original Assignee
Yanmar Diesel Engine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yanmar Diesel Engine Co Ltd filed Critical Yanmar Diesel Engine Co Ltd
Priority to JP164983A priority Critical patent/JPS59128953A/en
Publication of JPS59128953A publication Critical patent/JPS59128953A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P3/20Cooling circuits not specific to a single part of engine or machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

PURPOSE:To enhance efficiency of a coolant device for engine of an engine- driven heat pump system by simplifying, compacting its construction and reducing the number of parts used therein. CONSTITUTION:The circulative path 7 of a coolant H for engine 3 fed back from the water-cooled exhaust manifold 3A shall diverge into a flow line leading to a thermostat 8 and a circulation pump 9 and a flow line leading to a water- cooled heat exchanger 2, and the flow of the coolant H is constituted in series from inside the engine 3 to said water-cooled heat exchanger 2, an air-cooled heat exchanger 4 and inside the engine 3. Under warming, the cold water in the cold water circuit 1 of this heat pump system shall flow toward the water- cooled heat exchanger 2, as shown by the arrow W, to collect the waste heat from the engine 3 to this cold water circuit 1, while under cooling, the cold water shall flow in the S direction to radiate the heat of coolant H given by the engine 3 from the air-cooled heat exchanger 4 equipped with fan 4A.

Description

【発明の詳細な説明】 ンステムの機関冷却水装置に関するものである。[Detailed description of the invention] This relates to the engine cooling water system of the system.

従来の機関駆動ヒートボンプシステムのl’l関冷却水
装置においては、第1図の系統図に示すごとく、冬期の
暖房時においては,ヒートポンプシステム冷渇水回路1
の冷温水を矢印Wのごとく水冷熱交換器2側に流して、
機関3がらの冷却水Hの廃熱をヒートポンプシステム冷
’117k 水回路1に回収し、夏期の冷房時において
は、その冷湛水を矢印S方向に流し、機関6からの冷却
水Hは、水ポンプ5を有する循環路6に設けられた空冷
熱交換器4を介してその熱を放熱するようにしている。
In the conventional engine-driven heat pump system l'l cooling water system, as shown in the system diagram in Figure 1, during heating in winter, the heat pump system cold water circuit 1
Flow the cold and hot water to the water-cooled heat exchanger 2 side as shown by arrow W,
The waste heat of the cooling water H from the engine 3 is recovered to the heat pump system cooling water circuit 1, and during cooling in the summer, the cold water is flowed in the direction of arrow S, and the cooling water H from the engine 6 is The heat is radiated through an air-cooled heat exchanger 4 provided in a circulation path 6 having a water pump 5.

なお、第1図の機関6の冷却水Hの循環路7には、サー
モスタット8及び循環水ポンプ9が設けられており、ま
た、空冷熱交換器4にはファン4Aが設けられてい乙。
In addition, a thermostat 8 and a circulating water pump 9 are provided in the circulation path 7 for the cooling water H of the engine 6 shown in FIG. 1, and a fan 4A is provided in the air-cooled heat exchanger 4.

しかしながら、上シ己の従来例においては、機関乙の冷
却水Hの循環路7と別経路の循環路6中に水ポンプ5が
必要となるばかりでなく、空冷熱交換器4の容量を大き
くする必要があり、切換弁10.11の他に、切換弁1
213,14を設ける必要があり、配管が複雑になると
共に、追加機器も増えるので、全体としての効率が低下
すると共に、コストが嵩むという問題があった。
However, in the conventional example of the upper cylinder, not only is the water pump 5 required in the circulation path 6 of the cooling water H of the engine B and the circulation path 6 of a separate route, but also the capacity of the air-cooled heat exchanger 4 is increased. In addition to switching valves 10 and 11, switching valve 1
213 and 14, which complicates the piping and increases the number of additional devices, resulting in lower overall efficiency and increased costs.

そこで、第2図に示す従来例では、第1図の機関6の冷
却水Hの循環路7に、切換弁12 、 13を介して空
冷熱交換器4を有する循環路6を連通可能にしており、
部品点数を節減可能にしているが、この場合でも切換弁
12.15を追加するだけ、その信頼性に欠けることに
なると共に、水冷熱交換器2を機関3の本体から位置的
に離す必要があり、全体としてコンパクト性に欠けると
いう問題があり、更に配管が複雑となり、効率が低下す
ると共に、コスト高になるという問題があった。
Therefore, in the conventional example shown in FIG. 2, the circulation path 6 having the air-cooled heat exchanger 4 is made to communicate with the circulation path 7 of the cooling water H of the engine 6 shown in FIG. 1 via the switching valves 12 and 13. Ori,
Although it is possible to reduce the number of parts, even in this case, the addition of the switching valve 12.15 results in a lack of reliability, and it is necessary to position the water-cooled heat exchanger 2 away from the main body of the engine 3. However, there was a problem that the overall structure lacked compactness, and furthermore, the piping became complicated, resulting in lower efficiency and higher costs.

一方、ヒートポンプ方式に関する特公昭41−5859
号の発明及び冷却装置に関する特公昭46−1837号
の発明においては、機関の冷却放熱は夏冬共に機関放熱
器によっており、冬期は無駄になり、また、原動機を動
力源とした冷凍機の除籍装置に関する特公昭41−11
589号の発明及びヒートポンプ方式による室外ユニッ
ト霜付防止装置に関する実公昭51−51055号の考
案においては、除鰯用に限定されたものであり、内燃機
関の発熱が有効に利用されていない。
On the other hand, Special Publication No. 41-5859 regarding heat pump system
In the invention of No. 46-1837 and the invention of Japanese Patent Publication No. 1837 related to a cooling system, engine cooling heat is radiated by an engine radiator in both summer and winter, which is wasted in winter, and also causes the removal of refrigerators that use a prime mover as a power source. Special Publication on Equipment 1976-11
The invention of No. 589 and the invention of Utility Model Publication No. 51-51055 regarding an outdoor unit frost prevention device using a heat pump method are limited to the use of removing sardines, and the heat generated by the internal combustion engine is not effectively utilized.

そこで本発明は、前記従来の間慣点を解消するためにな
されたものであり、機関駆動ヒートポンプシステムの機
関冷却水装置を簡素化し、かつコンパクト化すると共に
、部品点数を低減させて、その効率の向上をはかること
を目的としたものである。
Therefore, the present invention was made in order to eliminate the conventional point of inertia, and to simplify and downsize the engine cooling water device of an engine-driven heat pump system, reduce the number of parts, and improve its efficiency. The purpose is to improve the

ff1Jち、本発明の機関駆動ヒートポンプシステムの
機関冷却水装置は、その機蘭冷却水のフローを、機関か
ら、水冷熱交換器、空冷熱交換器、そして機関へとシリ
ーズに構成したことを特徴としたものである。
ff1J The engine cooling water device for the engine-driven heat pump system of the present invention is characterized in that the flow of the cooling water is configured in series from the engine, to the water-cooled heat exchanger, to the air-cooled heat exchanger, and then to the engine. That is.

以下図面を参照して本発明の詳細な説明するが、第3図
は本発明の実施例における機関駆動ヒートポンプシステ
ムの機関冷却水装置1の系統図であり、第1図及び第2
図の従来例とほぼ同様の構成及び機能を有するものであ
り、同じ部品は同じ部品番号で示している。
The present invention will be described in detail below with reference to the drawings. FIG. 3 is a system diagram of the engine cooling water device 1 of the engine-driven heat pump system in an embodiment of the present invention, and FIGS.
It has almost the same configuration and function as the conventional example shown in the figure, and the same parts are indicated by the same part numbers.

まず、本発明の機関冷却水装置では、機関6ノ水冷排気
マニホールド6Aからの冷却水Hの循環路7を、サーモ
スタット8及び循環ポンプ9への流路と水冷熱交換器2
への流路との二股に分岐することは従来と同様であるが
、水冷熱交換器2へ流れた冷却水Hが、電動のファン4
Aを有する空冷熱交換器4をテ1ηって、循環路6経由
、オイルクーラ15を通った後、サーモスタット8経由
、循環水ポンプ9によって機関6内の水冷ジャケットに
導入されるようになっている。
First, in the engine cooling water system of the present invention, the circulation path 7 for the cooling water H from the water-cooled exhaust manifold 6A of the engine 6 is connected to the flow path to the thermostat 8 and the circulation pump 9 and the water-cooled heat exchanger 2.
The cooling water H flowing to the water-cooled heat exchanger 2 is divided into two branches with the flow path to the electric fan 4 as in the conventional case.
The water passes through the air-cooled heat exchanger 4 having A, passes through the circulation path 6, passes through the oil cooler 15, and is introduced into the water cooling jacket inside the engine 6 via the thermostat 8 by the circulation water pump 9. There is.

即ち、この(M関3の冷却水Hのフローは、機関6内か
ら、水冷熱交換器2、空冷熱交換器4そして機関6内と
シリーズに構成されている。
That is, the flow of the cooling water H of this (M section 3) is configured in series from inside the engine 6 to the water-cooled heat exchanger 2, the air-cooled heat exchanger 4, and the inside of the engine 6.

上記の構成からなる本発明の機関冷却水装置では、冬期
の暖房時にはヒートポンプシステム冷温水回路1の冷濡
水を矢印Wのごとく、水冷熱交換器2側に流して機関6
からの冷却水Hの廃熱をヒートポンプシステム冷温水回
路1Cζ回収して利用し、夏期の冷房時においてはその
冷濡水は矢印S方向に流し、機関6の冷却水■lの熱は
ファン4A付の空冷熱交換器4により放熱するようにし
ている。
In the engine cooling water system of the present invention having the above-mentioned configuration, during heating in winter, the cold wet water of the heat pump system cold/hot water circuit 1 is flowed to the water-cooled heat exchanger 2 side as shown by the arrow W.
The waste heat of the cooling water H from the heat pump system cold/hot water circuit 1Cζ is recovered and used, and during summer cooling, the cold wet water flows in the direction of arrow S, and the heat of the cooling water ■l of the engine 6 is transferred to the fan 4A. Heat is radiated by an attached air-cooled heat exchanger 4.

従って、本発明の機関駆動ヒートポンプシステムの機関
冷却水装置は、冬期には機関冷却水のf廃熱を水冷熱交
換器によりシステム冷濡水回路に回収し、夏期には機関
冷却水の熱を空冷熱交換器に放熱するよう″に構成され
た装置を簡素化し、そしてコンパクト化して形成するこ
とができる。
Therefore, the engine cooling water device of the engine-driven heat pump system of the present invention recovers the waste heat of the engine cooling water to the system cold and wet water circuit by the water-cooled heat exchanger in the winter, and recovers the heat of the engine cooling water in the summer. A device configured to ``dissipate heat to an air-cooled heat exchanger'' can be made simpler and more compact.

特に本発明の装置では、従来のものに比べて水ポンプを
不要とすると共に、切換弁の数を低減できるので、高効
率、かつ高信頼性の冷却水回路システムを安価に提供す
ることができるという効果がある。
In particular, the device of the present invention eliminates the need for a water pump and reduces the number of switching valves compared to conventional devices, making it possible to provide a highly efficient and highly reliable cooling water circuit system at a low cost. There is an effect.

なお、本発明は機関駆動と一トポンプシステム、特に廃
熱回収を併せたシステム全般に対して有効に適用するこ
とができる。
Note that the present invention can be effectively applied to all systems that combine engine drive and single pump systems, especially waste heat recovery.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図及び第2図はそれぞれ異なる従来の機関駆動ヒー
トポンプシステムの機関冷却水装置の系統図であり、第
3図は本発明の実施例における機関駆動ヒートポンプシ
ステムの機関冷却水装置の系統図である。 1・・・ヒートポンプシステム冷温水回路、2・・・水
冷熱交換器、6・・機関、4・・・空冷熱交換器、6.
7・・・循環路、9・・・循環水ポンプ、15・・・オ
イルクーラ。 代理人 弁理士  小 川 信 − 弁理士  野 口 賢 照 弁理士  声 下 和 彦   、 第 I  V hl 21ご1 第 3 し1 回 F− 1
1 and 2 are system diagrams of engine cooling water devices of different conventional engine-driven heat pump systems, and FIG. 3 is a system diagram of an engine cooling water system of an engine-driven heat pump system according to an embodiment of the present invention. be. 1... Heat pump system cold/hot water circuit, 2... Water-cooled heat exchanger, 6... Engine, 4... Air-cooled heat exchanger, 6.
7... Circulation path, 9... Circulating water pump, 15... Oil cooler. Agent: Patent Attorney Makoto Ogawa - Patent Attorney: Masaru Noguchi Patent Attorney: Kazuhiko Shimo, No. IV HL 21st 1st 3rd Session F-1

Claims (1)

【特許請求の範囲】[Claims] 機関駆動ヒートポンプシステムの機関冷却水装置の機関
冷却水フローを、機関から、水冷熱交換器、空冷熱交換
器、そして機関へとシリーズに*或したことを特徴とす
る機関駆動ヒークポンプシステムの機関冷却水装置。
An engine-driven heat pump system characterized in that the engine cooling water flow in the engine cooling water device of the engine-driven heat pump system is serialized from the engine, to the water-cooled heat exchanger, to the air-cooled heat exchanger, and then to the engine. Engine cooling water system.
JP164983A 1983-01-11 1983-01-11 Coolant device for engine of engine-driven heat pump system Pending JPS59128953A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP164983A JPS59128953A (en) 1983-01-11 1983-01-11 Coolant device for engine of engine-driven heat pump system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP164983A JPS59128953A (en) 1983-01-11 1983-01-11 Coolant device for engine of engine-driven heat pump system

Publications (1)

Publication Number Publication Date
JPS59128953A true JPS59128953A (en) 1984-07-25

Family

ID=11507360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP164983A Pending JPS59128953A (en) 1983-01-11 1983-01-11 Coolant device for engine of engine-driven heat pump system

Country Status (1)

Country Link
JP (1) JPS59128953A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63183359U (en) * 1987-05-12 1988-11-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63183359U (en) * 1987-05-12 1988-11-25

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