KR20040064444A - Compressor for vehicle - Google Patents

Compressor for vehicle Download PDF

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Publication number
KR20040064444A
KR20040064444A KR1020030002022A KR20030002022A KR20040064444A KR 20040064444 A KR20040064444 A KR 20040064444A KR 1020030002022 A KR1020030002022 A KR 1020030002022A KR 20030002022 A KR20030002022 A KR 20030002022A KR 20040064444 A KR20040064444 A KR 20040064444A
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KR
South Korea
Prior art keywords
compressor
refrigerant
heat dissipation
cylinder
piston
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Application number
KR1020030002022A
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Korean (ko)
Inventor
김기범
Original Assignee
두원중공업(주)
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Priority to KR1020030002022A priority Critical patent/KR20040064444A/en
Publication of KR20040064444A publication Critical patent/KR20040064444A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0094—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 crankshaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1066—Valve plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/126—Cylinder liners

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

PURPOSE: A reciprocating compressor for a vehicle improving heat dissipation is provided to improve the performance and the durability of a compressor by installing a heat dissipating element promptly dissipating a superheat. CONSTITUTION: A reciprocating compressor(30) has a cylinder block(32) having a bracket(31) at a lower end. The cylinder block has a cylinder maintained by a cylinder liner to make a piston reciprocate for compressing a refrigerant. The cylinder has the piston inside to discharge the compressed refrigerant and flow a refrigerant to be compressed through a valve plate finished by a valve cover(33). The piston is connected with a crank shaft by a connecting rod. A pulley(35) is fixed at one end of the crank shaft to receive and switch power. A heat dissipating element(40) promptly dissipates superheat generated in a process of compressing the refrigerant in the compressor. The heat dissipating element is formed of a plurality of heat dissipating fins(41,42) integratedly formed with the valve cover.

Description

방열성이 향상된 자동차용 왕복동식 압축기{Compressor for vehicle}Automotive reciprocating compressor with improved heat dissipation {Compressor for vehicle}

본 발명은 방열성이 향상된 자동차용 왕복동식 압축기에 관한 것으로서 더욱 상세하게는 압축작동과정에서 발생하는 고열을 신속하게 방열시켜 압축기의 성능과 내구성향상에 기여할 수 있도록 한 것이다.The present invention relates to a reciprocating compressor for an automobile having improved heat dissipation, and more particularly, to rapidly dissipate high heat generated during a compression operation process, thereby contributing to an improvement in performance and durability of the compressor.

자동차용 압축기는 하절기와 같이 외부온도가 높을 때 실내온도의 저하를 목적으로 냉매의 증발잠열을 이용하여 주위냉기를 냉각하여 열교환함으로서 실내온도를 떨어뜨리는 에어컨시스템에 적용되는 하나의 부품이다.Automotive compressor is a component that is applied to the air conditioner system to lower the indoor temperature by cooling the heat around the ambient air using the latent heat of evaporation for the purpose of lowering the indoor temperature when the outside temperature is high in the summer.

상기와 같은 에어컨시스템은 압축기, 컨덴서, 리시버드라이어, 팽창밸브, 증발기로 구성되며, 이 가운데 증발된 냉매의 압축에 필요한 냉매압축기는 피스톤의 왕복운동을 이용하여 냉매를 압축하게 된다.The air conditioner system as described above is composed of a compressor, a condenser, a receiver dryer, an expansion valve, and an evaporator, and a refrigerant compressor necessary for compressing the vaporized refrigerant compresses the refrigerant using a reciprocating motion of the piston.

특히 버스와 같은 대형차량의 경우에는 일반 승용차에 적용되는 사판타입, 와블타입, 베인 및 로터리타입과 같은 소용량으로는 충족할 수 없기 때문에 크랭크에 의하여 피스톤을 움직여 냉매를 압축하도록 한 다기통의 대용량 압축기(일명 크랭크 타입)를 사용하게 된다.In the case of large vehicles such as buses, in particular, small-capacity compressors such as swash plate type, wobble type, vane and rotary type, which are used in general passenger cars, cannot be satisfied. (Aka crank type) is used.

상기와 같은 종래의 압축기(1)는 도 4에 도시된 바와같이 고정을 위한 브라켓과 실린더블럭(2)이 별개로 구비되고, 상기 실린더블럭(2)의 내부에는 냉매압축을 위한 피스톤이 왕복운동할 수 있도록 실린더라이너로 유지되는 실린더가 형성된다.As shown in FIG. 4, the conventional compressor 1 is provided with a bracket for fixing and a cylinder block 2 separately, and a piston for refrigerant compression is reciprocated in the cylinder block 2. A cylinder, which is held by a cylinder liner, is formed so that it can.

상기 실린더에는 피스톤이 내장되어 실린더의 상방에서 밸브커버(3)로 마감되는 밸브플레이트(4)를 통하여 압축된 냉매를 배출하고 압축할 냉매를 유입하게 된다.The cylinder has a built-in piston to discharge the compressed refrigerant through the valve plate 4 which is closed with the valve cover 3 above the cylinder and introduces a refrigerant to be compressed.

상기 피스톤은 실린더블럭(2)의 하방에 설치되는 크랭크샤프트와 커넥팅로드로 연결하고, 상기 크랭크샤프트의 일단에는 엔진으로 부터 동력을 전달받고, 동력절환을 위한 수단으로 클러치를 가지는 풀리(5)를 고정하여 구성된다.The piston is connected to a crankshaft and a connecting rod installed below the cylinder block 2, and one end of the crankshaft receives power from the engine and has a pulley 5 having a clutch as a means for power switching. It is fixed.

상기와 같은 종래의 압축기(1)는 도 4에 도시된 바와같이 별도의 냉각수단을 구비하지 않은 관계로 압축과정에서 발생하는 고열이 압축기에 전도되며, 전도된 열은 압축기의 원활한 작동과 냉각을 목적으로 주입된 윤활유의 온도를 상승시키는 원인이 됨으로서 압축기의 성능이 저하되는 원인을 제공하게 되는 것이다.The conventional compressor 1 as described above does not have a separate cooling means as shown in FIG. 4, so that high heat generated in the compression process is conducted to the compressor, and the conducted heat is used to smoothly operate and cool the compressor. By causing the temperature of the lubricating oil injected for the purpose is to provide a cause of deterioration of the performance of the compressor.

이와 같이 압축기의 냉각이 원활하지 않을 경우에는 고열로 인한 크랭크샤프트나 커넥팅로드와 같은 부품의 손상이 우려되고, 작동시 발생하는 고열의 냉각이 어려워 압축기 자체가 소착되어 작동불능 상태에 이르게 되는 등 압축기의 성능과 내구성에 치명적인 악영향을 주게되는 원인을 제공한다.If the compressor is not cooled properly, the components such as crankshaft and connecting rod may be damaged due to the high temperature, and the high temperature generated during operation is difficult to cool, causing the compressor itself to squeeze and become inoperable. It provides a cause that has a fatal adverse effect on performance and durability.

이에 본 발명에서는 상기와 같은 문제점들을 해결하기 위하여 발명된 것으로서 압축작동 과정에서 발생하는 고열을 신속하게 방열할 수 있는 수단을 더 가지도록 함으로서 관련부품의 손상과 압축기 자체의 소착현상 등을 방지하여 압축기의 성능과 내구성 향상에 기여할 수 있도록 하는 데 목적이 있다.Accordingly, the present invention has been invented to solve the above problems, and further has a means for quickly dissipating high heat generated during the compression operation process to prevent damage to related parts and seizure of the compressor itself, etc. The purpose is to contribute to improving the performance and durability of the.

도 1은 본 발명의 기술이 적용된 방열성이 향상된 자동차용 왕복동식 압축기를 도시한 사시도.1 is a perspective view showing a reciprocating compressor for a vehicle having improved heat dissipation to which the technique of the present invention is applied.

도 2는 도 1에 적용된 방열성이 향상된 자동차용 왕복동식 압축기의 A부위인 밸브커버를 발췌하여 도시한 사시도.Figure 2 is a perspective view showing an extract of the valve cover portion A of the reciprocating compressor for automobiles improved heat radiation applied to FIG.

도 3은 도 1에 적용된 방열성이 향상된 자동차용 왕복동식 압축기의 B부위인 실린더 블럭을 발췌하여 도시한 일부생략 상태의 사시도.Figure 3 is a perspective view of a partially omitted state showing an excerpt of the cylinder block portion B of the reciprocating compressor for automobiles with improved heat dissipation applied to Figure 1;

도 4는 종래 기술이 적용된 자동차용 왕복동식 압축기를 도시한 사시도.Figure 4 is a perspective view of a reciprocating compressor for a vehicle to which the prior art is applied.

*도면의 주요 부분에 사용된 부호의 설명** Description of the symbols used in the main parts of the drawings *

30; 압축기30; compressor

32; 실린더블럭32; Cylinder Block

33; 밸브커버33; Valve cover

40; 냉각수단40; Cooling means

41,42,43,44; 방열핀41,42,43,44; Heat dissipation fin

이하 첨부되는 도면과 관련하여 상기 목적을 달성하기 위한 본 발명의 바람직한 구성과 작용에 대하여 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings will be described a preferred configuration and operation of the present invention for achieving the above object.

도 1은 본 발명의 기술이 적용된 방열성이 향상된 자동차용 왕복동식 압축기를 도시한 사시도, 도 2는 도 1에 적용된 방열성이 향상된 자동차용 왕복동식 압축기의 A부위인 밸브커버를 발췌하여 도시한 사시도, 도 3은 도 1에 적용된 방열성이 향상된 자동차용 왕복동식 압축기의 B부위인 실린더 블럭을 발췌하여 도시한 일부생략 상태의 사시도로서 함께 설명한다.1 is a perspective view showing an automotive reciprocating compressor having improved heat dissipation applied to the technology of the present invention, Figure 2 is a perspective view showing an extract of the valve cover A portion of the automotive reciprocating compressor having improved heat dissipation applied to Figure 1, 3 is a perspective view of a partially omitted state showing an excerpt of a cylinder block, which is a portion B of a reciprocating compressor for a vehicle, having improved heat dissipation applied to FIG. 1.

왕복동식 압축기(30)는 차체와의 고정을 위한 브라켓(31)을 하단에 일체로 가지는 실린더블럭(32)이 구비되고, 상기 실린더블럭(32)의 내부에는 냉매압축을 위한 피스톤이 왕복운동할 수 있도록 실린더라이너로 유지되는 실린더가 형성된다.The reciprocating compressor (30) is provided with a cylinder block (32) having a bracket (31) integrally at its lower end for fixing to a vehicle body, and the piston for refrigerant compression reciprocates inside the cylinder block (32). A cylinder held by the cylinder liner is formed.

상기 실린더에는 피스톤이 내장되어 실린더의 상방에서 밸브커버(33)로 마감되는 밸브플레이트(34)를 통하여 압축된 냉매를 배출하고 압축할 냉매를 유입하게 된다.The cylinder has a built-in piston to discharge the compressed refrigerant through the valve plate 34 which is closed with the valve cover 33 above the cylinder and introduces a refrigerant to be compressed.

상기 피스톤은 실린더블럭의 하방에 설치되는 크랭크샤프트와 커넥팅로드로 연결하고, 상기 크랭크샤프트의 일단에는 엔진으로 부터 동력을 전달받고, 동력절환을 위한 수단으로 클러치를 가지는 풀리(35)를 고정하여 구성된다.The piston is connected to the crankshaft and connecting rods installed below the cylinder block, and one end of the crankshaft receives power from the engine and is configured to fix a pulley 35 having a clutch as a means for power switching. do.

본 발명에서는 상기 압축기(30)에 냉매를 압축하는 과정에서 발생하는 고열을 보다 신속하게 방열시킬 수 있도록 방열수단(40)을 더 가지도록 하는 것을 특징으로 한다.In the present invention, it characterized in that it further comprises a heat dissipation means 40 to more quickly dissipate the high heat generated in the process of compressing the refrigerant in the compressor (30).

상기 방열수단(40)은 피스톤에 의하여 압축된 냉매가 토출되고 에어컨 시스템을 순환하여 재압축을 위하여 냉매를 흡입하는 밸브플레이트(34)를 단속하는 밸브커버(33)에 다수개의 방열핀(41,42)을 일체로 형성하여 구성한다.The heat dissipation means 40 has a plurality of heat dissipation fins 41 and 42 in the valve cover 33 for discharging the refrigerant compressed by the piston and circulating the air conditioner system to control the valve plate 34 to suck the refrigerant for recompression. ) Is formed integrally.

상기 방열수단(40)의 다른 예로서는 윤활유가 주입되는 실린더블럭(32)의 외면에 실린더블럭(32)과 일체로 다수개의 방열핀(43,44)을 형성하여 윤활유의 윤활성능을 향상시키도록 하여도 된다.As another example of the heat dissipation means 40, a plurality of heat dissipation fins 43 and 44 are integrally formed with the cylinder block 32 on the outer surface of the cylinder block 32 into which the lubricating oil is injected to improve the lubricating performance of the lubricating oil. do.

상기와 같은 본 발명은,The present invention as described above,

압축기(30)의 내부에서 냉매를 압축하는 과정에서 발생하는 고열은 압축기(30)에 일체로 더 구비되는 방열수단(40)에 의하여 신속하게 방열됨으로서 관련부품의 손상이나 압축기(30) 자체의 소착현상을 방지할 수 있게된다.The high heat generated in the process of compressing the refrigerant in the compressor 30 is rapidly dissipated by the heat dissipation means 40 which is further provided integrally in the compressor 30, thereby causing damage to related parts or sintering of the compressor 30 itself. The phenomenon can be prevented.

특히 상기 방열수단(40)이 압축되어 토출되고 에어컨시스템을 순환하여 재압축을 위하여 흡입되는 냉매를 제어하는 밸브플레이트(34)의 외측에 고정되는 밸브커버(33)에 다수개의 방열핀(41,42)을 형성하고 있어 토출 및 흡입냉매에 영향을 주지않게되는 것이다.In particular, the heat dissipation means 40 is compressed and discharged, and a plurality of heat dissipation fins 41 and 42 on the valve cover 33 fixed to the outside of the valve plate 34 for controlling the refrigerant sucked for recompression by circulating the air conditioning system. ), So that it does not affect the discharge and suction refrigerant.

뿐만 아니라, 실린더블럭(32)에도 다수개의 방열핀(43,44)을 일체로 형성하고 있음으로서 원활한 작동성과 냉각성을 위하여 주입된 윤활유가 고온화되는 것을 방지함으로서 더욱더 안정된 상태의 작동을 보장할 수 있게되는 것이다.In addition, since the plurality of heat dissipation fins 43 and 44 are integrally formed in the cylinder block 32, the lubricating oil injected for smooth operation and cooling can be prevented from being heated to ensure a more stable operation. will be.

이상과 같은 본 발명은 압축작동 과정에서 발생하는 고열을 신속하게 방열할 수 있는 방열수단을 더 가지도록 함으로서 관련부품의 손상과 압축기 자체의 소착현상 등을 방지하여 압축기의 성능과 내구성 향상에 기여할 수 있는 등 다양한 효과를 얻을 수 있는 발명이다.The present invention as described above may further have a heat dissipation means capable of quickly dissipating high heat generated during the compression operation process, thereby preventing damage to related parts and seizure of the compressor itself, thereby contributing to the improvement of the performance and durability of the compressor. It is an invention that can obtain various effects.

Claims (3)

차체와의 고정을 위한 브라켓(31)을 하단에 일체로 가지고 구비되는 실린더블럭(32)과;A cylinder block 32 provided integrally with a bracket 31 at a lower end for fixing to the vehicle body; 상기 실린더블럭(32)의 내부에는 냉매압축을 위한 피스톤이 왕복운동할 수 있도록 실린더라이너로 유지되는 실린더;A cylinder maintained inside the cylinder block 32 as a cylinder liner to reciprocate a piston for refrigerant compression; 상기 실린더에는 피스톤이 내장되어 실린더의 상방에서 압축된 냉매를 배출하고 압축할 냉매를 유입하는 밸브플레이트(34)가 밸브커버(33)로 마감되고;The valve plate (34) is closed with a valve cover (33) in which a piston is built in to discharge the compressed refrigerant from above the cylinder and introduce the refrigerant to be compressed; 상기 피스톤은 실린더블럭의 하방에 설치되는 크랭크샤프트와 커넥팅로드로 연결하고;The piston is connected to the crankshaft and connecting rods installed below the cylinder block; 상기 크랭크샤프트의 일단에는 엔진으로 부터 동력을 전달받고 동력절환을 위한 수단으로 클러치를 가지는 풀리(35)를 고정하여 구성되는 왕복동식 압축기(30)에 있어서;In the reciprocating compressor (30) is configured to receive a power from the engine at one end of the crankshaft fixed to the pulley (35) having a clutch as a means for power switching; 상기 압축기(30)에 냉매를 압축하는 과정에서 발생하는 고열을 보다 신속하게 방열시킬 수 있도록 방열수단(40)을 더 가지도록 하는 것을 특징으로 하는 방열성이 향상된 자동차용 왕복동식 압축기.An automotive reciprocating compressor having improved heat dissipation, characterized in that it further comprises a heat dissipation means (40) to more quickly dissipate the high heat generated in the process of compressing the refrigerant in the compressor (30). 제 1 항에 있어서;The method of claim 1; 상기 방열수단(40)은 밸브플레이트(34)를 단속하는 밸브커버(33)에 일체로 형성하는 다수개의 방열핀(41,42)인 것을 특징으로 하는 방열성이 향상된 자동차용왕복동식 압축기.The heat radiating means 40 is a reciprocating compressor for a vehicle having improved heat dissipation, characterized in that the plurality of heat dissipation fins (41, 42) integrally formed in the valve cover 33 to control the valve plate (34). 제 1 항에 있어서;The method of claim 1; 상기 방열수단(40)은 실린더블럭(32)의 외면에 일체로 형성되는 다수개의 방열핀(43,44)인 것을 특징으로 하는 방열성이 향상된 자동차용 왕복동식 압축기.The heat dissipation means 40 is a reciprocating compressor for an automobile having improved heat dissipation, characterized in that the plurality of heat dissipation fins (43,44) integrally formed on the outer surface of the cylinder block (32).
KR1020030002022A 2003-01-13 2003-01-13 Compressor for vehicle KR20040064444A (en)

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