KR101232460B1 - a variable compressor for a vehicle - Google Patents

a variable compressor for a vehicle Download PDF

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Publication number
KR101232460B1
KR101232460B1 KR1020070118005A KR20070118005A KR101232460B1 KR 101232460 B1 KR101232460 B1 KR 101232460B1 KR 1020070118005 A KR1020070118005 A KR 1020070118005A KR 20070118005 A KR20070118005 A KR 20070118005A KR 101232460 B1 KR101232460 B1 KR 101232460B1
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South Korea
Prior art keywords
discharge
valve
suction
compressor
chamber
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KR1020070118005A
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Korean (ko)
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KR20090051552A (en
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김태완
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현대자동차주식회사
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Priority to KR1020070118005A priority Critical patent/KR101232460B1/en
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    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1009—Distribution members
    • F04B27/1018—Cylindrical distribution members
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
    • F04B27/0878—Pistons
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1036—Component parts, details, e.g. sealings, lubrication
    • F04B27/1045—Cylinders
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1036—Component parts, details, e.g. sealings, lubrication
    • F04B27/1081—Casings, housings
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/12—Kind or type gaseous, i.e. compressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/14—Refrigerants with particular properties, e.g. HFC-134a
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Compressor (AREA)

Abstract

본 발명은 차량용 가변 제어 컴프레셔에 관한 것으로, The present invention relates to a variable control compressor for a vehicle,

종래의 컴프레셔는 실린더(11)(12) 끝단에 설치된 흡입밸브(60)와 토출밸브(50')거 일정압 이상에서만 열리고 닫히게 되어 있고 일정량의 냉매만 압출시키므로 냉방 부하에 따른 에어컨 시스템의 제어를 위해서는 온/오프로만 해야 하고, 그에 따라 오프에서 온시 컴프레서의 작동을 위한 작동 구동력이 필요하게 되어 연비를 나쁘게 하는 문제가 있었던 바,The conventional compressor is opened and closed only at a predetermined pressure close to the suction valve 60 and the discharge valve 50 'installed at the ends of the cylinders 11 and 12, and only a certain amount of refrigerant is extruded to control the air conditioning system according to the cooling load. In order to perform on / off only, and therefore, the driving force for the operation of the compressor from on to off requires a problem of worsening fuel economy.

리어 헤드 부위에 한 쌍의 실린더와 흡입챔버를 구획하는 분리벽이 마련되고, 분리벽의 일측 중앙에 토출챔버가 마련되며, 분리벽의 상부와 하부에 각각 흡입구멍과 토출구멍이 마련되고, 분리벽의 일측 중앙에 각 토출구멍의 개폐하는 토출밸브가 설치되는 동시에 분리벽의 타측 상부와 타측 하부에 흡입구멍을 개폐하는 흡입밸브가 설치되는 컴프레셔를 구성함에 있어서, 상기 토출밸브의 일측에 스프링 수용부를 마련하고, 스프링 수용부에 스프링을 설치하여 토출밸브를 탄성 지지하며, 스프링 수용부의 일측에 밸브제어봉을 마련하고, 밸브제어봉을 토출챔버와 흡입챔버 사이에 설치한 감지판의 일측에 접속한 것을 특징으로 하는 본 발명에 있어서는 냉방 부하가 작을 때에 토출 냉매를 흡기 실린더로 바이패스시킴으로써 컴프레셔를 최소 출력으로 구동할 수 있게 되어 구동 저항 및 마찰 저항을 감소시킬 수 있게 되므로 연비를 향상시킬 수 있게 되는 등의 효과를 얻을 수 있게 된다.The rear wall portion is provided with a partition wall for partitioning the pair of cylinders and the suction chamber, a discharge chamber is provided at the center of one side of the partition wall, and suction and discharge holes are provided at the upper and lower portions of the partition wall, respectively. In the compressor, which is provided with a discharge valve for opening and closing each discharge hole in the center of one side of the wall, and a suction valve for opening and closing the suction hole in the other upper part and the other lower part of the separation wall, the spring is accommodated on one side of the discharge valve. Part, a spring is installed in the spring receiving portion to elastically support the discharge valve, a valve control rod is provided on one side of the spring receiving portion, and the valve control rod is connected to one side of the sensing plate provided between the discharge chamber and the suction chamber. In the present invention, the compressor outputs the minimum by bypassing the discharge refrigerant to the intake cylinder when the cooling load is small. Is able to be driven in so makes it possible to reduce the driving resistance and the frictional resistance it is possible to obtain the effects of being able to improve the fuel economy.

컴프레셔, 실린더, 분리벽, 흡입챔버, 토출챔버, 토출밸브, 스프링, 감지판 Compressor, Cylinder, Separator Wall, Suction Chamber, Discharge Chamber, Discharge Valve, Spring, Detection Plate

Description

차량용 가변 제어 컴프레셔 {a variable compressor for a vehicle}Variable control compressor for vehicle {a variable compressor for a vehicle}

본 발명은 차량용 가변 제어 컴프레셔에 관한 것으로, 더 자세하게는 고정형 컴프레서에 기초하여 가변 제어가 가능한 시스템을 구축한 것에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a variable control compressor for a vehicle, and more particularly, to a system for enabling variable control based on a fixed compressor.

도 1에는 본 발명이 관계하는 차량용 컴프레셔의 요부 사시도가 도시되어 있다.1 is a perspective view of main parts of a vehicle compressor according to the present invention.

자동차용 에어컨 냉매 압축 시스템인 컴프레셔는 도 1과 같이 사판(2)의 회전운동을 피스톤(3)의 왕복 운동으로 바꾸어 냉매를 압축시키는 구조로 되어 있다.The compressor, which is a vehicle air conditioner refrigerant compression system, has a structure in which the refrigerant is compressed by converting the rotational motion of the swash plate 2 into the reciprocating motion of the piston 3 as shown in FIG. 1.

최근 들어 차량의 운전성 향상, 균일한 벤트(Vent) 토출 온도 유지, 엔진 서지(Surge) 개선, 동력 저감 효과에 의한 연비 개선 등의 이유로 가변 제어 컴프레서의 적용이 확대되고 있으나 그 구조가 복잡하여 부품의 가격이 상승하는 단점이 있다.Recently, the application of the variable control compressor has been expanded due to the improvement of the driving performance of the vehicle, the maintenance of the uniform vent discharge temperature, the improvement of the engine surge, and the improvement of fuel efficiency due to the power reduction effect. Has the disadvantage of rising prices.

도 2에는 본 발명이 관계하는 컴프레셔의 일부 절제 사시도가 도시되어 있고, 도 3에는 종래 컴프레셔의 리어 헤드 부위 확대 단면도가 도시되어 있는 바, 종래의 컴프레셔는 주축(1)의 회전력이 사판(2)의 경사로 전달되어 피스톤(3)의 왕복 운동으로 변환되며, 제1실린더(11)의 상사점에 이르면 토출밸브(50')가 열리면서 압축된 냉매가 토출챔버(40)로 모인 후 컴프레셔(100)를 빠져나가게 된다.2 shows a partially cutaway perspective view of a compressor to which the present invention relates, and FIG. 3 shows an enlarged cross-sectional view of a rear head portion of a conventional compressor. In the conventional compressor, the rotational force of the main shaft 1 has a swash plate 2. Is transferred to the reciprocating motion of the piston (3), and reaches the top dead center of the first cylinder (11), the discharge valve (50 ') is opened and the compressed refrigerant is collected in the discharge chamber 40, the compressor 100 Will exit.

그리고 반대 위상에 있는 제2실린더(12)에서는 흡입밸브(60)가 열리면서 흡입챔버(20)에 모여있는 냉매를 흡입하여 하사점까지 이동하게 된다.In the second cylinder 12 in the opposite phase, the suction valve 60 is opened to suck the refrigerant collected in the suction chamber 20 to move to the bottom dead center.

상기 종래의 컴프레셔에 있어서 실린더(11)(12) 끝단에 설치된 흡입밸브(60)와 토출밸브(50')는 일정압 이상에서만 열리고 닫히게 되어 있고 일정량의 냉매만 압출시키므로 냉방 부하에 따른 에어컨 시스템의 제어를 위해서는 온/오프로만 해야 한다.In the conventional compressor, the intake valve 60 and the discharge valve 50 'installed at the ends of the cylinders 11 and 12 are opened and closed only at a predetermined pressure or higher, and only a predetermined amount of refrigerant is extruded. You only need to turn it on and off for control.

그런데 오프에서 온시 컴프레서의 작동을 위한 작동 구동력이 필요하게 되며, 도 4와 같이 온시의 구동력 소비가 연비를 나쁘게 하는 요인이다.By the way, the driving force for the operation of the compressor when on-off is required, as shown in Figure 4 driving power consumption on time is a factor that worsens fuel economy.

따라서 냉방 부하가 적을 때는 컴프레셔를 오프시키지 않고 최소 출력으로만 제어가 가능하다면 연비를 개선할 수 있다.Therefore, when the cooling load is low, the fuel economy can be improved if it is possible to control only the minimum output without turning off the compressor.

본 발명은 상기와 같은 종래의 실정을 감안하여 안출한 것이며, 그 목적이 고정형 컴프레서에 기초하여 가변 제어가 가능한 시스템을 구축하여 궁극적으로 가변 제어 컴프레서의 기능을 수행할 수 있도록 하는 차량용 가변 제어 컴프레셔를 제공하는 데에 있는 것이다.SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional situation, and has a variable control compressor for a vehicle in which the purpose thereof is to build a system capable of variable control based on a fixed compressor and ultimately perform a function of the variable control compressor. It is to provide.

본 발명은 상기의 목적을 달성하기 위하여 토출챔버의 토출구멍을 밀폐하는 토출밸브를 이동 가능하게 설치하여 냉방 부하가 작을 때에 압축 냉매를 흡입실린더 쪽으로 바이패스시킴으로써 최소 출력으로 구동할 수 있도록 하는 것을 특징으로 한다.The present invention is characterized in that the discharge valve for sealing the discharge hole of the discharge chamber to be movable to achieve the above object so that the compressed refrigerant can be driven to the suction cylinder when the cooling load is small to drive at the minimum output. It is done.

즉, 본 발명은 리어 헤드 부위에 한 쌍의 실린더와 흡입챔버를 구획하는 분리벽이 마련되고, 분리벽의 일측 중앙에 토출챔버가 마련되며, 분리벽의 상부와 하부에 각각 흡입구멍과 토출구멍이 마련되고, 분리벽의 일측 중앙에 각 토출구멍의 개폐하는 토출밸브가 설치되는 동시에 분리벽의 타측 상부와 타측 하부에 흡입구멍을 개폐하는 흡입밸브가 설치되는 컴프레셔를 구성함에 있어서, 상기 토출밸브의 일측에 스프링 수용부를 마련하고, 스프링 수용부에 스프링을 설치하여 토출밸브를 탄성 지지하며, 스프링 수용부의 일측에 밸브제어봉을 마련하고, 밸브제어봉을 토출챔버와 흡입챔버 사이에 설치한 감지판의 일측에 접속하여서 되는 것이다.That is, the present invention is provided with a separation wall for partitioning a pair of cylinders and the suction chamber in the rear head portion, the discharge chamber is provided in the center of one side of the separation wall, the suction and discharge holes in the upper and lower portions of the separating wall, respectively And a discharge valve for opening and closing each discharge hole at the center of one side of the separation wall, and a suction valve for opening and closing the suction hole at the other upper part and the other lower part of the separation wall. The spring receiving portion is provided on one side of the spring, the spring is installed on the spring receiving portion to elastically support the discharge valve, the valve control rod is provided on one side of the spring receiving portion, and the valve control rod is disposed between the discharge chamber and the suction chamber. This is done by connecting to one side.

본 발명에 있어서는 냉방 부하가 작을 때에 토출 냉매를 흡기 실린더로 바이패스시킴으로써 컴프레셔를 최소 출력으로 구동할 수 있게 되어 구동 저항 및 마찰 저항을 감소시킬 수 있게 되므로 연비를 향상시킬 수 있게 되는 등의 효과를 얻을 수 있게 된다.In the present invention, when the cooling load is small, by bypassing the discharged refrigerant to the intake cylinder, the compressor can be driven at the minimum output, thereby reducing the driving resistance and frictional resistance, thereby improving fuel efficiency. You can get it.

이하 본 발명의 구체적인 기술내용을 첨부도면에 의거하여 더욱 자세히 설명하면 다음과 같다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 5a에는 본 발명의 한 실시예의 냉방 부하가 클 때의 리어 헤드 부위 확대 단면도가 도시되어 있고, 도 5b에는 동 실시예의 냉방 부하가 작을 때의 리어 헤드 부위 확대 단면도가 도시되어 있는 바,5A shows an enlarged cross-sectional view of the rear head portion when the cooling load of one embodiment of the present invention is large, and FIG. 5B shows an enlarged cross-sectional view of the rear head portion when the cooling load of the embodiment is small.

본 발명은 도 5a 및 도 5b와 같이 리어 헤드 부위에 한 쌍의 실린더(11)(12)와 흡입챔버(20)를 구획하는 분리벽(30)이 마련되고, 분리벽(30)의 일측 중앙에 토출챔버(40)가 마련되며, 분리벽(30)의 상부와 하부에 각각 흡입구멍(31)(32)과 토출구멍(33)(34)이 마련되고, 분리벽(30)의 일측 중앙에 각 토출구멍(33)(34)의 개폐하는 토출밸브(50)가 설치되는 동시에 분리벽(30)의 타측 상부와 타측 하부에 흡입구멍(31)(32)을 개폐하는 흡입밸브(60)가 설치되는 컴프레셔(100)를 구성함에 있어서, 상기 토출챔버(40)의 토출구멍(33)(34)을 밀폐하는 토출밸브(50)를 이동 가능하게 설치하여 냉방 부하가 작을 때에 압축 냉매를 흡입실린더 쪽으로 바이패스시킴으로써 최소 출력으로 구동할 수 있도록 하여서 되는 것이다.5A and 5B, the separating head 30 is provided at the rear head portion to separate the pair of cylinders 11 and 12 and the suction chamber 20, and the center of one side of the separating wall 30 is provided. The discharge chamber 40 is provided in the upper portion, and the suction holes 31 and 32 and the discharge holes 33 and 34 are respectively provided in the upper and lower portions of the separating wall 30, and the center of one side of the separating wall 30 is provided. A discharge valve 50 for opening and closing the discharge holes 33 and 34 is provided at the same time, and the suction valve 60 for opening and closing the suction holes 31 and 32 in the other upper part and the other lower part of the separation wall 30. In the configuration of the compressor 100 is installed, the discharge valve 50 for sealing the discharge holes 33, 34 of the discharge chamber 40 is installed to be movable to suck the compressed refrigerant when the cooling load is small By bypassing the cylinder, it is possible to drive at minimum output.

아울러 본 발명은 상기 토출밸브(50)의 일측에 스프링 수용부(51)를 마련하고, 스프링 수용부(51)에 스프링(52)을 설치하여 토출밸브(50)를 탄성 지지하며, 스프링 수용부(51)의 일측에 밸브제어봉(53)을 마련하고, 밸브제어봉(53)을 토출챔버(40)와 흡입챔버(20) 사이에 설치한 감지판(54)의 일측에 접속하여서 되는 것이다.In addition, the present invention provides a spring receiving portion 51 on one side of the discharge valve 50, the spring 52 is installed on the spring receiving portion 51 to elastically support the discharge valve 50, the spring receiving portion The valve control rod 53 is provided on one side of the 51 and the valve control rod 53 is connected to one side of the sensing plate 54 provided between the discharge chamber 40 and the suction chamber 20.

상기와 같이 구성된 본 발명에 있어서는 종래 기술처럼 컴프레셔 온/오프를 반복시키지 않고 최소 출력 제어할 수 있게 되어 냉매 압축시 압축 저항을 줄일 수 있게 되고 또한 피스톤의 마찰 저항을 감소시킬 수 있게 되는 것으로, 도 5a와 같이 냉방 부하가 클 때(흡입측 압력이 높을 때)는 충분한 압축 냉매량이 필요하므로 토출밸브(50)는 분리벽(30)에 밀착된 상태가 되어 각 실린더(11)(12)에 설치된 피스톤의 작동에 따라 양 토출구멍(33)(34)의 개폐가 반복적으로 이루어지게 된다.In the present invention configured as described above it is possible to control the minimum output without repeating the compressor on / off as in the prior art it is possible to reduce the compression resistance during refrigerant compression and also to reduce the frictional resistance of the piston, When the cooling load is large (when the suction side pressure is high) such as 5a, a sufficient amount of compressed refrigerant is required, so that the discharge valve 50 is brought into close contact with the separating wall 30 and installed in each cylinder 11, 12. In accordance with the operation of the piston, the opening and closing of both the discharge holes 33 and 34 are repeatedly made.

그러나 냉방 부하가 작을 때(흡입측 압력이 낮을 때)는 압축 냉매가 필요 없게 되므로 도 5b와 같이 스프링(52)으로 탄성 지지되는 토출밸브(50)가 토출챔버(40)의 안쪽으로 이동하게 되어 양 토출구멍(33)(34)이 모두 개방되고, 피스톤에 의해 밀려난 냉매가 바이패스(bypass)되며, 그에 따라 구동 저항 및 마찰 저항이 감소되어 최소 출력 상태로 작동하게 된다.However, when the cooling load is small (when the suction side pressure is low), since the compressed refrigerant is not required, the discharge valve 50 elastically supported by the spring 52 moves inside the discharge chamber 40 as shown in FIG. 5B. Both discharge holes 33 and 34 are opened, and the refrigerant pushed by the piston is bypassed, so that the driving resistance and the frictional resistance are reduced to operate at the minimum output state.

상기에서 다시 냉방 부하가 증가하여 흡입측 압력이 커지게 되면 감지판(54)이 밸브제어봉(53)을 밀게 되므로 토출밸브(50)가 분리벽(30)에 밀착되고, 각 실린더(11)(12)에 설치된 피스톤의 작동에 따라 양 토출구멍(33)(34)의 개폐가 반복적으로 이루어지게 되는 최대 구동상태가 된다.When the cooling load increases and the suction side pressure increases again, the detection plate 54 pushes the valve control rod 53 so that the discharge valve 50 is in close contact with the separation wall 30, and each cylinder 11 ( In accordance with the operation of the piston provided in 12), both of the discharge holes 33 and 34 are opened and closed at the maximum driving state.

즉, 스프링 복원력 + 흡입측압력 * 흡입측단면적 > 토출측압력 * 토출측단면적이면 토출밸브(50)가 토출챔버(40) 내부로 밀려들어가게 되어 최대 구동상태가 되고, 스프링복원력 + 흡입측압력 * 흡입측단면적 < 토출측압력 * 토출측단면적이면 토출밸브(50)가 분리벽(30)에 밀착되어 냉매가 흡입 실린더쪽으로 바이패스되는 최소 출력상태가 된다.That is, the spring restoring force + suction side pressure * suction side cross-sectional area> discharge side pressure * discharge side cross-sectional area, the discharge valve 50 is pushed into the discharge chamber 40 to the maximum driving state, spring restoring force + suction side pressure * suction side When the cross-sectional area <discharge side pressure * discharge side cross-sectional area, the discharge valve 50 is in close contact with the separation wall 30 to obtain a minimum output state in which the refrigerant is bypassed toward the suction cylinder.

도 1은 본 발명이 관계하는 차량용 컴프레셔의 요부 사시도1 is a perspective view of main parts of a vehicle compressor according to the present invention;

도 2는 동 컴프레셔의 일부 절제 사시도2 is a partially cutaway perspective view of the compressor;

도 3은 종래 컴프레셔의 리어 헤드 부위 확대 단면도Figure 3 is an enlarged cross-sectional view of the rear head portion of the conventional compressor.

도 4는 고정형 컴프레셔와 가변 제어형 컴프레셔의 구동토크 비교 그래프4 is a graph comparing driving torques of the fixed compressor and the variable control compressor.

도 5a는 본 발명의 한 실시예의 냉방 부하가 클 때의 리어 헤드 부위 확대 단면도5A is an enlarged cross-sectional view of a rear head portion when the cooling load of one embodiment of the present invention is large.

도 5b는 동 실시예의 냉방 부하가 작을 때의 리어 헤드 부위 확대 단면도5B is an enlarged cross-sectional view of the rear head when the cooling load of the embodiment is small;

* 도면의 주요 부분에 대한 부호 설명 *Description of the Related Art [0002]

11, 12 : 실린더 20 : 흡입챔버11, 12: cylinder 20: suction chamber

30 : 분리벽 31, 32 : 흡입구멍30: separating wall 31, 32: suction hole

33, 34 : 토출구멍 40 : 토출챔버33, 34: discharge hole 40: discharge chamber

50 : 토출밸브 51 : 스프링 수용부50: discharge valve 51: spring receiving portion

52 : 스프링 53 : 밸브제어봉52: spring 53: valve control rod

54 : 감지판 60 : 흡입밸브54: sensing plate 60: suction valve

100 : 컴프레셔100: compressor

Claims (2)

리어 헤드 부위에 한 쌍의 실린더(11)(12)와 흡입챔버(20)를 구획하는 분리벽(30)이 마련되고, 분리벽(30)의 일측 중앙에 토출챔버(40)가 마련되며, 분리벽(30)의 상부와 하부에 각각 흡입구멍(31)(32)과 토출구멍(33)(34)이 마련되고, 분리벽(30)의 일측 중앙에 각 토출구멍(33)(34)의 개폐하는 토출밸브(50)가 설치되는 동시에 분리벽(30)의 타측 상부와 타측 하부에 흡입구멍(31)(32)을 개폐하는 흡입밸브(60)가 설치되는 컴프레셔(100)를 구성함에 있어서, In the rear head portion, a pair of cylinders 11 and 12 and a separation wall 30 for partitioning the suction chamber 20 are provided, and a discharge chamber 40 is provided at the center of one side of the separation wall 30, Suction holes 31 and 32 and discharge holes 33 and 34 are provided in the upper and lower portions of the separating wall 30, respectively, and each of the discharge holes 33 and 34 in the center of one side of the separating wall 30. The compressor 100 is provided with a discharge valve 50 for opening and closing the suction valve 60 for opening and closing the suction holes 31 and 32 at the other upper part and the other lower part of the separation wall 30. In 상기 토출챔버(40)의 토출구멍(33)(34)을 밀폐하는 토출밸브(50)를 이동 가능하게 설치하여 냉방 부하가 작을 때에 압축 냉매를 흡입실린더 쪽으로 바이패스시킴으로써 최소 출력으로 구동할 수 있도록 한 것을 특징으로 하는 차량용 가변 제어 컴프레셔.A discharge valve 50 for sealing the discharge holes 33 and 34 of the discharge chamber 40 is movably installed to bypass the compressed refrigerant toward the suction cylinder when the cooling load is small so that the drive can be performed at the minimum output. Vehicle variable control compressor, characterized in that. 제1항에 있어서, 토출밸브(50)의 일측에 스프링 수용부(51)를 마련하고, 스프링 수용부(51)에 스프링(52)을 설치하여 토출밸브(50)를 탄성 지지하며, 스프링 수용부(51)의 일측에 밸브제어봉(53)을 마련하고, 밸브제어봉(53)을 토출챔버(40)와 흡입챔버(20) 사이에 설치한 감지판(54)의 일측에 접속한 것을 특징으로 하는 차량용 가변 제어 컴프레셔.According to claim 1, wherein the spring receiving portion 51 is provided on one side of the discharge valve 50, the spring 52 is provided on the spring receiving portion 51 to elastically support the discharge valve 50, the spring receiving A valve control rod 53 is provided on one side of the unit 51, and the valve control rod 53 is connected to one side of the sensing plate 54 provided between the discharge chamber 40 and the suction chamber 20. Variable control compressor for cars.
KR1020070118005A 2007-11-19 2007-11-19 a variable compressor for a vehicle KR101232460B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11315781A (en) 1998-04-28 1999-11-16 Yunikura:Kk Swash plate compressor
KR100670741B1 (en) 2005-03-02 2007-01-19 모딘코리아 유한회사 Valve for compressor of air conditioner
KR20070106858A (en) * 2006-05-01 2007-11-06 한라공조주식회사 Variable capacity type swash plate type compressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11315781A (en) 1998-04-28 1999-11-16 Yunikura:Kk Swash plate compressor
KR100670741B1 (en) 2005-03-02 2007-01-19 모딘코리아 유한회사 Valve for compressor of air conditioner
KR20070106858A (en) * 2006-05-01 2007-11-06 한라공조주식회사 Variable capacity type swash plate type compressor

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