KR0170874B1 - Compressor for alternative refrigerant - Google Patents

Compressor for alternative refrigerant Download PDF

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Publication number
KR0170874B1
KR0170874B1 KR1019920023395A KR920023395A KR0170874B1 KR 0170874 B1 KR0170874 B1 KR 0170874B1 KR 1019920023395 A KR1019920023395 A KR 1019920023395A KR 920023395 A KR920023395 A KR 920023395A KR 0170874 B1 KR0170874 B1 KR 0170874B1
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KR
South Korea
Prior art keywords
compressor
connecting rod
crankshaft
cylinder
refrigerant
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KR1019920023395A
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Korean (ko)
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KR940015274A (en
Inventor
이재승
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윤종용
삼성전자주식회사
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Priority to KR1019920023395A priority Critical patent/KR0170874B1/en
Publication of KR940015274A publication Critical patent/KR940015274A/en
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Publication of KR0170874B1 publication Critical patent/KR0170874B1/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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
    • F04B49/123—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element
    • F04B49/125—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element by changing the eccentricity of the actuation means, e.g. cams or cranks, relative to the driving means, e.g. driving shafts
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

본 발명은 실린더의 행정체적이 고정되어 있는 밀폐형 압축기에 있어서, 냉동능력(부하)의 변경 필요시 및 냉매의 변경시에는 기존 압축기의 실린더구조로는 냉동능력의 저하가 필연적이었으므로, 압축기 외부의 작동지시수단에 의하여 크랭크샤프트와 코넥팅로드 내측에 설치된 솔레노이드밸브를 작동시켜서 크랭크샤프트의 편심축과 피스톤의 코넥팅로드 길이를 조절하므로서 압축과정 종료후 상사점의 위치는 종래와 같도록 설계하였으며 흡입과정이 종료되는 하사점의 위치가 달라지기 때문에 실린더 행정체적이 증가하게 되므로 대체 냉매 사용시나 압축기의 실린더 체적을 변경시킬 필요가 있을 때 사용할 수 있는 것을 특징으로 한 대체 냉매용 압축기에 대한 것이다.According to the present invention, in the hermetic compressor in which the stroke volume of the cylinder is fixed, when the refrigerating capacity (load) needs to be changed and the refrigerant is changed, the refrigerating capacity is inevitably reduced by the cylinder structure of the existing compressor. By operating the solenoid valve installed inside the crankshaft and the connecting rod by the indicating means to adjust the eccentric shaft of the crankshaft and the connecting rod length of the piston, the position of the top dead center after the end of the compression process is designed to be the same as before. Since the position of the bottom dead center is changed, the cylinder stroke volume is increased, and thus the compressor for the alternative refrigerant may be used when an alternative refrigerant is used or when the cylinder volume of the compressor needs to be changed.

Description

대체 냉매용 압축기Alternative refrigerant compressor

제1도는 종래 압축기의 단면도.1 is a cross-sectional view of a conventional compressor.

제2도의 (a)는 종래 압축기의 압축완료시 상태도.Figure 2 (a) is a state diagram at the completion of compression of the conventional compressor.

(b)는 종래 압축기의 흡입완료시 상태도.(b) is a state diagram when the suction of the conventional compressor is completed.

제3도의 (a)는 본발명 압축기의 압축완료시 상태도.Figure 3 (a) is a state diagram at the completion of compression of the present invention compressor.

(b)는 본발명 압축기의 흡입완료시 상태도.(b) is a state diagram upon completion of suction of the present invention compressor.

제4도는 본발명인 크랭크샤프트의 내부를 보인 정면도.4 is a front view showing the inside of the crankshaft of the present invention.

제5도는 본발명인 코넥팅로드의 내부를 보인 정면도.5 is a front view showing the interior of the connecting rod of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 크랭크샤프트편심축 2 : 크랭크샤프트1: crankshaft eccentric shaft 2: crankshaft

3 : 코넥팅로드 6,8 : 솔레노이드밸브3: connecting rod 6, 8: solenoid valve

7 : 삽입공7: insertion hole

본 발명은 왕복동식 압축기에 관한 것으로서, 특히 냉매의 변경 및 교체시 크랭크샤프트의 편심축과 코넥팅로드의 길이를 조절할 수 있도록 하여 실린더의 행정체적을 변화시킴으로써 냉동능력을 가변토록 한 냉매용 압축기에 대한 것이다.The present invention relates to a reciprocating compressor, and more particularly, to a refrigerant compressor for varying the refrigerating capacity by changing the stroke volume of the cylinder by adjusting the length of the eccentric shaft and the connecting rod of the crankshaft when changing and replacing the refrigerant. It is about.

일반적으로 냉동, 냉장고 또는 냉방공조기의 냉각싸이클에서 열매체를 고온, 고압의 기체 냉매로 변화시키는 압축기의 구동을 보면 흡입과 압축, 그리고 배출동작을 연속적이고 반복적으로 이루고 있는데, 기체 상태의 냉매를 압축시키는 밀폐형, 반밀폐형 압축기의 경우는 실린더의 행정체적이 고정되어 있다.In general, in the refrigeration cycle of a refrigeration, refrigerator or air conditioner, a compressor that converts a heat medium into a high-temperature, high-pressure gas refrigerant is used to continuously and repeatedly perform suction, compression, and discharge operations. In the case of hermetic and semi-hermetic compressors, the stroke volume of the cylinder is fixed.

그러나 염소가 포함된 기존냉매는 대기중에서 분해가 안되므로 오존층을 파괴하기 때문에 CFC규제에 따라 기존의 냉매가 규제되므로서, 대기중에서 분해가능하게 염소없이 수소만 포함하는 대체냉매가 필요하게 되었으므로 동일 시스템에서 냉매의 변경 또는 냉매의 변경 사용할 필요성이 대두되고 있는 것이다.However, since existing refrigerants containing chlorine do not decompose in the air, which destroys the ozone layer, the existing refrigerants are regulated under the CFC regulations. Therefore, alternative refrigerants containing only hydrogen without chlorine are required to be decomposable in the air. There is a need for a change of refrigerant or a change of refrigerant.

기존 냉장고용의 냉매를 교체하거나 필요에 따라 냉매 변경 사용율 선택할 필요성이 있다면 기존 압축기의 실린더 구조로는 대체냉매로의 변경시 냉동능력의 저하가 필연적이다.If there is a need to replace a refrigerant for an existing refrigerator or to select a refrigerant change usage rate as necessary, a reduction in freezing capacity is inevitable when changing to an alternative refrigerant in the cylinder structure of an existing compressor.

왜냐하면 압축기에 토출되는 냉매순환량은Because the refrigerant circulation discharged to the compressor

(N) (N)

m':냉매 순환량(kg/h)m ': refrigerant circulation (kg / h)

ηvc:압축기 체적효율ηvc: compressor volumetric efficiency

υ1:실린더 흡입가스 비체적(m3/kg)υ 1 : Cylinder intake gas specific volume (m 3 / kg)

v:실린더 행정체적(m3)v: cylinder stroke volume (m 3 )

N:모터 회전수(1/hr)N: motor speed (1 / hr)

냉장고의 동일한 온도조건에서 대체냉매사용의 경우 압축기 체적효율(ηvc)이 기존냉매보다 적으며 실린더 흡입가스 비체적(ν1)은 기존의 냉매 보다 매우 큰것이 냉매의 일반적 특성이다. 따라서 대체 냉매의 순환량은 기존의 냉매보다 매우 적어지게 된다.In the case of using the alternative refrigerant under the same temperature condition of the refrigerator, the compressor volume efficiency (ηvc) is smaller than that of the conventional refrigerant, and the cylinder suction gas specific volume (ν 1 ) is much larger than that of the conventional refrigerant. Therefore, the circulation amount of the replacement refrigerant is much smaller than that of the conventional refrigerant.

따라서 냉동기의 냉동능력(Qc)은Therefore, the freezing capacity (Qc) of the freezer

Qc=m'△hQc = m '△ h

이므로 대체냉매의 경우 동일한 증발기의 입출구 조건이라 할지라도 △h는 대체냉매가 기존의 냉매보다 크므로 △h의 증가에 비하여 냉매 순환량(m6)의 감소량이 크기 때문에 기존냉매 Qc대체냉매 Qc가 된다. 따라서 동일한 냉동능력을 발휘하기 위하여 압축기의 실린더 행정체적(V)을 증가시킬 필요가 있다. 또한 고내온도설정(강,중,약)에 의하여 냉동기 냉동능력(Qc)의 변경시 일반적으로 운전율의 조절에 의하여 냉동능력(Qc)를 조절하지만 실린더 행정체적(V)을 변경시킨다면 보다 효율적인 운전을 할수 있을 것이다.Therefore, in case of alternative refrigerant, even if the same evaporator is inlet / outlet condition, Δh is larger than existing refrigerant, so Δh decreases in refrigerant circulation amount (m 6 ) compared to increase of △ h, so it becomes conventional refrigerant Qc alternative refrigerant Qc. . Therefore, it is necessary to increase the cylinder stroke volume (V) of the compressor in order to achieve the same refrigeration capacity. In addition, when the freezer refrigeration capacity (Qc) is changed due to the high temperature setting (strong, medium, and weak), the refrigeration capacity (Qc) is generally controlled by adjusting the operation ratio, but more efficient operation is achieved by changing the cylinder stroke volume (V). You will be able to

종래에는 제1,2도에서 보는 바와같이, 압축기(100) 내측의 크랭크샤프트(200)가 회전되고 상기 크랭크샤프트(200)에 연결된 코넥팅로드(300)가 실린더(400)내의 피스톤(500)을 전,후진 시키면서 흡입과 압축 그리고 배출동작을 연속적이고 반복적으로 이루게 되는 것이다.Conventionally, as shown in FIGS. 1 and 2, the crankshaft 200 inside the compressor 100 is rotated and the connecting rod 300 connected to the crankshaft 200 includes the piston 500 in the cylinder 400. The suction, compression, and discharge operations are continuously and repeatedly performed while moving forward and backward.

제2도의 (a)는 압축완료시의 피스톤(500) 및 크랭크샤프트(200) 위치를 보인 것으로(A) of FIG. 2 shows the position of the piston 500 and the crankshaft 200 when the compression is completed.

ℓ1:크랭크샤프트(200)의 편심거리이고ℓ 1 : eccentric distance of the crankshaft (200)

ℓ2:코넥팅로드(300)의 길이이다.l 2 : length of the connecting rod 300.

(b)는 흡입완료시의 피스톤(500) 및 크랭크샤프트(200)의 위치를 보인 것이다.(b) shows the position of the piston 500 and the crankshaft 200 at the time of suction completion.

이상과 같이 된 구조로서는 냉매를 변경 또는 대체냉매사용시에 실린더의 행정체적이 고정된 상태이므로 효율적인 운전을 할 수 없어 사용하기 어려운 문제점등이 있었다.As a structure as described above, there is a problem that it is difficult to use because the stroke volume of the cylinder is fixed at the time of changing or replacing the refrigerant.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출한 것으로서, 본 발명의 목적은 냉동능력의 변경필요시 및 변경에 따라 압축기의 실린더 행정체적을 가변토록 하여 냉동능력을 변환토록 한 것이다. 본 발명의 목적을 해소하기 위하여 압축기 외부의 작동지시 수단(미도시함)에 의하여 크랭크샤프트와 코넥팅로드 내측에 설치된 솔레노이드밸브를 작동시켜서 크랭크샤프트의 편심축과 피스톤의 코넥팅로드 길이를 조절하므로서 압축과정 종료후 상사점의 위치는 종래와 같도록 설계하였으며 흡입과정이 종료되는 하사점의 위치가 달라지기 때문에 실린더 행정체적이 변화하게 되므로 대체냉매 사용시나 압축기의 실린더 체적을 변경시킬 필요가 있을때 매우 간편하게 조절사용할 수 있는 것이다.The present invention has been made to solve the above problems, the object of the present invention is to change the refrigerating capacity by varying the cylinder stroke volume of the compressor in accordance with the need and change of the refrigerating capacity. In order to solve the object of the present invention by operating the solenoid valve installed inside the crankshaft and the connecting rod by the operation instruction means (not shown) outside the compressor by adjusting the eccentric shaft of the crankshaft and the connecting rod length of the piston The position of the top dead center after the end of the compression process is designed to be the same as the conventional one, and because the position of the bottom dead center where the suction process ends is changed, the cylinder stroke volume changes, so it is very useful when using alternative refrigerant or when the cylinder volume of the compressor needs to be changed. It is easy to adjust and use.

이하, 본발명의 실시예를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제3도는 본발명 압축기의 압축·팽창 완료시의 상태도로서, 실린더(4)내의 피스톤(5)이 코넥팅로드(3)에 연결되고, 코넥팅로드(3)는 크랭크샤프트(2)의 크랭크샤프트편심축(1)에 끼워져 동작되도록 한 것으로서 (a)는 압축완료시의 상태이며 (b)는 흡입완료시의 상태이다.3 is a state diagram at the completion of the compression and expansion of the present invention compressor, in which the piston 5 in the cylinder 4 is connected to the connecting rod 3, and the connecting rod 3 is the crankshaft of the crankshaft 2; (A) is the state at the completion of compression and (b) is the state at the completion of suction.

ℓ1+α : 크랭크샤프트 편심 변경거리이고 ℓ1-α : 코넥팅로드 변경거리이다.l1 + α: Crankshaft eccentric change distance, and l1-α: connecting rod change distance.

제4도는 본 발명인 크랭크샤프트에 관한 것으로서, 크랭크샤프트(2)일측에 형성된 크랭크샤프트 편심축(1)이 길이 조절될 수 있도록 솔레노이드밸브(6)를 설치하여서 된 구조이다. 제5도는 본 발명인 코넥팅로드에 관한 것으로서, 코넥팅로드(3) 몸체 중앙에 크랭크샤프트편심축(1)을 삽입할 수 있는 삽입공(7)을 형성하고, 코넥팅로드(3) 일측단에는 피스톤(5)을 삽입하고, 피스톤(5)과 코넥팅로드(3)일측단에 솔레노이드밸브(8)를 설치한후 전선(9)으로 연결시켜서 되는 구조이다.4 is related to the crankshaft of the present invention, and has a structure in which a solenoid valve 6 is installed so that the crankshaft eccentric shaft 1 formed on one side of the crankshaft 2 can be adjusted in length. 5 is related to the connecting rod of the present invention, forming an insertion hole (7) into which the crankshaft eccentric shaft (1) can be inserted in the center of the connecting rod (3), and one end of the connecting rod (3). The piston (5) is inserted, the solenoid valve (8) is installed at one end of the piston (5) and the connecting rod (3) is connected to the wire (9).

이와같이 구성된 본발명은 압축기 내측에 형성된 실린더(4)에 피스톤(5)을 작동시키는 코넥팅로드(3)와 크랭크샤프트(2)를 설치함에 있어, 크랭크샤프트(2) 일측내부에 솔레노이드밸브(6)가 설치되고 상기 솔레노이드밸브(6)에 의해 좌,우로 작동될 수 있는 크랭크샤프트편심축(1)이 형성된 크랭크샤프트(2)를 코넥팅로드(3)에 결합하여서 되는 것으로, 크랭크샤프트편심축(1)을 코넥팅로드(3)의 몸체중앙에 형성된 크랭크샤프트편심축삽입공(7)에 삽입고정하며, 코넥팅로드(3)일측단에 솔레노이드밸브(8)를 전선(9)으로 연결 설치하고 솔레노이드밸브(8)일측에 피스톤(5)을 연결시켜서 되는 것이다. 상기와 같이 결합설치된 것은 사용자가 냉매의 변경, 혹은 냉동 능력(부하)을 변경시킬 필요가 있을 때에 압축기 외부의 작동지시 수단에 의해 스위치를 작동시키면 온·오프 신호에 의하여 솔레노이드밸브(6)(8)가 직선왕복운동을 하며 좌·우측으로 이동을 하는 원리를 이용한 것으로서 필요한 만큼 크랭크샤프트(2)와 코넥팅로드(3)의 길이를 조절 변경시켜 줄 수 있는 것이다.According to the present invention configured as described above, in installing the connecting rod 3 and the crankshaft 2 for operating the piston 5 in the cylinder 4 formed inside the compressor, the solenoid valve 6 inside one side of the crankshaft 2. Crankshaft eccentric shaft is installed by coupling the crankshaft (2) having a crankshaft eccentric shaft (1) which is installed and can be operated left and right by the solenoid valve (6) to the connecting rod (3), (1) is inserted into the crankshaft eccentric shaft insertion hole (7) formed in the center of the body of the connecting rod (3), and the solenoid valve (8) is connected to one end of the connecting rod (3) by an electric wire (9). It is installed by connecting the piston (5) to one side of the solenoid valve (8). When the user operates the switch by the operation instruction means outside the compressor when the user needs to change the refrigerant or change the refrigerating capacity (load), the solenoid valve 6 (8) is installed as described above. ) Is a linear reciprocating movement using the principle of moving to the left and right, it is possible to adjust and change the length of the crankshaft (2) and the connecting rod (3) as necessary.

이와같이 작동되는 본발명은 제3도의 (a)(b)에서 보는 바와같이 압축과정시에는 종료후 상사점의 위치는 종래와 같도록 설계하였으며, 흡입과정시 크랭크샤프트(2)와 코넥팅로드(3)의 길이조절에 의하여 흡입과정이 종료되는 하사점의 위치가 달라지기 때문에 실린더 행정체적이 증가하게 되는 것이다.The present invention operated as described above is designed so that the position of the top dead center after the end of the compression process is the same as the conventional one, as shown in (a) (b) of FIG. 3, and the crankshaft (2) and the connecting rod ( By adjusting the length of 3), the stroke stroke volume is increased because the position of bottom dead center where the suction process is completed is changed.

이상과 같이 대체냉매사용시 실린더체적(V)의 증가를 위해서 크랭크샤프트(2)내측의 솔레노이드밸브(6)는 압축기외부의 작동지시수단으로 작동하여 크랭크샤프트 편심축(1)의 위치를 변경시켜주므로서 편심길이를 변경시켜주는 역할을 하는 것이며, 코넥팅로드(3)내측의 솔레노이드(8)를 작동지시수단에 의하여 작동시켜 피스톤(5)의 코넥팅로드(3) 길이를 조절하므로서, 코넥팅로드(3)의 위치를 변경시켜 하사점까지의 길이를 변경시켜주는 역할을 하게되어 크랭크샤프트(2)의 편심길이의 조정 및 코넥팅 로드(3)의 변위 조정수단에 의한 길이조절에 의하여 실린더의 행정체적을 변경시킬 수 있는 효과가 있는 것이다.As described above, the solenoid valve 6 inside the crankshaft 2 acts as an operation instruction means outside the compressor to change the position of the crankshaft eccentric shaft 1 in order to increase the cylinder volume V when using the alternative refrigerant. It acts to change the length of the eccentric, and the solenoid 8 inside the connecting rod 3 is operated by the operation indicating means to adjust the length of the connecting rod 3 of the piston 5, thereby By changing the position of the rod 3 to change the length to the bottom dead center, the cylinder by the adjustment of the eccentric length of the crankshaft (2) and the length by the displacement adjusting means of the connecting rod (3) There is an effect that can change the administrative volume of the.

이상과 같이 실린더의 행정체적이 고정되어 있는 밀폐형 압축기에 있어서, 냉매의 변경 및 교체시에는 기존 압축기의 실린더 구조로는 냉동능력의 저하가 필연적이므로 크랭크샤프트와 코넥팅로드에 솔레노이드 밸브를 설치하여 압축기 외부의 작동지시 수단에 의해 솔레노이드 밸브를 작동시켜 크랭크샤프트의 편심축과 코넥팅로드 길이를 조절해주므로서 실린더의 행정체적을 변경시켜 주어 효율적인 운전을 할 수 있도록 된 매우 간편하고도 유용한 발명인 것이다.As described above, in the hermetic compressor in which the stroke volume of the cylinder is fixed, the refrigerant structure is inevitably deteriorated when the refrigerant is changed or replaced. Therefore, a solenoid valve is installed on the crankshaft and the connecting rod. It is a very simple and useful invention that operates the solenoid valve by an external operation instruction means and adjusts the eccentric shaft and the connecting rod length of the crankshaft, thereby changing the stroke volume of the cylinder for efficient operation.

Claims (1)

대체냉매를 압축시키도록 실린더(4)에 가이드되어서 왕복운동하는 피스톤(5)과, 상기 피스톤(5)이 왕복운동되도록 회전운동을 직선운동으로 변환시키며 일단이 상기 피스톤(5)에 접속된 코넥팅로드(3)와, 상기 코넥팅로드(3)의 타단이 접속되는 크랭크샤프트편심축(1)이 형성된 크랭크샤프트(2)로 이루어진 대체냉매용 압축기에 있어서, 상기 실린더(4)의 행정체적을 가변시켜 냉동능력을 변환시키도록 상기 코넥팅로드(3)와 상기 피스톤(5)의 사이에 설치된 솔레노이드밸브(8)와, 상기 솔레노이드밸브(8)가 전기적신호에 의해 좌우측으로 이동되어서 상기 코넥팅로드(3)의 길이를 가변시키도록 일단이 상기 솔레노이드밸브(8)와 전기적을 접속되며 타단이 상기 커넥팅로드(3)의 외측으로 노출된 전선(9)으로 이루어진 것을 특징으로 하는 대체냉매용 압축기.A piston (5) guided to the cylinder (4) to compress the replacement refrigerant, and a rotary motion is converted into a linear motion so that the piston (5) is reciprocated, and one end is connected to the piston (5) In the alternative refrigerant compressor consisting of a crank shaft (2) having a crank shaft eccentric shaft (1) to which a connecting rod (3) and the other end of the connecting rod (3) are connected, the stroke volume of the cylinder (4) The solenoid valve 8 and the solenoid valve 8 installed between the connecting rod 3 and the piston 5 and the solenoid valve 8 are moved left and right by an electrical signal to change the freezing capacity. Alternative refrigerant, characterized in that the one end is electrically connected to the solenoid valve (8) and the other end is made of a wire (9) exposed to the outside of the connecting rod (3) to vary the length of the connecting rod (3) compressor.
KR1019920023395A 1992-12-05 1992-12-05 Compressor for alternative refrigerant KR0170874B1 (en)

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KR0170874B1 true KR0170874B1 (en) 1999-03-30

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