KR20060005253A - Driving unit of hermetic compressor - Google Patents

Driving unit of hermetic compressor Download PDF

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Publication number
KR20060005253A
KR20060005253A KR1020040054153A KR20040054153A KR20060005253A KR 20060005253 A KR20060005253 A KR 20060005253A KR 1020040054153 A KR1020040054153 A KR 1020040054153A KR 20040054153 A KR20040054153 A KR 20040054153A KR 20060005253 A KR20060005253 A KR 20060005253A
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KR
South Korea
Prior art keywords
slot
hermetic compressor
stator
driving unit
hollow portion
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KR1020040054153A
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Korean (ko)
Inventor
홍명중
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삼성광주전자 주식회사
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Priority to KR1020040054153A priority Critical patent/KR20060005253A/en
Publication of KR20060005253A publication Critical patent/KR20060005253A/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
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • 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
    • F04B39/0005—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 adaptations of pistons
    • F04B39/0022—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 adaptations of pistons piston rods
    • 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
    • F04B39/125—Cylinder heads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
    • 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
    • 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
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • F05B2260/962—Preventing, counteracting or reducing vibration or noise by means creating "anti-noise"
    • 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)
  • Power Engineering (AREA)
  • Compressor (AREA)

Abstract

본 발명은 밀폐형 압축기에 관한 것으로, 본 발명에 의한 밀폐형 압축기는 일측이 개방된 슬롯이 형성된 고정자; 상기 슬롯 내부에 설치되는 고정자코일; 상기 슬롯의 개방부를 폐쇄하는 슬롯폐쇄부재;를 포함하여 슬롯의 개방측을 통해 자속이 누설되는 것을 방지함으로써 구동부의 효율을 향상시킬 수 있다.The present invention relates to a hermetic compressor, the hermetic compressor according to the present invention includes a stator having an open slot on one side; A stator coil installed inside the slot; And a slot closing member for closing the opening of the slot, thereby preventing the magnetic flux from leaking through the opening side of the slot, thereby improving the efficiency of the driving unit.

Description

밀폐형 압축기의 구동부{DRIVING UNIT OF HERMETIC COMPRESSOR}Drive part of hermetic compressor {DRIVING UNIT OF HERMETIC COMPRESSOR}

도 1은 종래의 기술에 의한 밀폐형 압축기의 구동부를 보인 분해사시도이다.1 is an exploded perspective view showing a driving unit of a hermetic compressor according to the prior art.

도 2는 종래의 기술에 의한 밀폐형 압축기의 고정자를 보인 평단면도이다.2 is a plan sectional view showing a stator of a hermetic compressor according to the related art.

도 3은 본 발명에 의한 밀폐형 압축기를 보인 단면도이다.3 is a cross-sectional view showing a hermetic compressor according to the present invention.

도 4는 본 발명에 의한 밀폐형 압축기의 구동부를 보인 분해사시도이다.Figure 4 is an exploded perspective view showing a drive of the hermetic compressor according to the present invention.

도 5는 본 발명에 의한 밀폐형 압축기의 고정자를 보인 평단면도이다.5 is a plan sectional view showing a stator of the hermetic compressor according to the present invention.

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

4 : 회전자, 20 : 고정자,4: rotor, 20: stator,

21 : 코일, 24 : 적층강판,21: coil, 24: laminated steel sheet,

24a : 중공부, 24b : 슬롯,24a: hollow part, 24b: slot,

25 : 슬롯폐쇄부재, 25a : 삽입부.25: slot closure member, 25a: insertion part.

본 발명은 밀폐형 압축기에 관한 것으로, 보다 상세하게는 고정자에 코일이 통과하는 슬롯이 형성된 밀폐형 압축기에 관한 것이다.The present invention relates to a hermetic compressor, and more particularly, to a hermetic compressor having a slot through which a coil passes.

일반적으로 밀폐형 압축기는 밀폐공간 내로 냉매를 흡입하여 압축한 후 토출 하는 장치로써, 밀폐용기 내부에 냉매를 압축하는 압축부와 이를 구동하는 구동부가 설치된다.In general, a hermetic compressor is a device for sucking and compressing a refrigerant into a sealed space and then discharging the refrigerant, and a compression unit for compressing the refrigerant and a driving unit for driving the refrigerant are installed in the sealed container.

압축부는 압축실을 형성하는 실린더블록과, 압축실 내부를 왕복 운동하는 피스톤을 구비하고, 실린더블록 일측에는 외부와 연통된 흡입실 및 토출실이 각각 형성된 실린더헤드가 결합된다.The compression unit includes a cylinder block forming a compression chamber and a piston for reciprocating the inside of the compression chamber, and one side of the cylinder block is coupled with a cylinder head having suction and discharge chambers communicating with the outside, respectively.

구동부는 자장을 형성하는 고정자와, 고정자와 전자기적으로 상호 작용하여 회전하는 회전자와, 회전자의 중공부에 압입 고정되어 회전자와 함께 회전하는 회전축을 구비하고, 회전축의 하단부에는 회전축의 회전운동을 직선운동으로 변환시켜줌으로써 피스톤을 진퇴시키는 커넥팅로드가 설치되게 된다.The driving unit includes a stator that forms a magnetic field, a rotor that rotates electromagnetically interacting with the stator, and a rotation shaft that is press-fitted to the hollow part of the rotor and rotates together with the rotor, and a lower end of the rotation shaft rotates the rotation shaft. By converting the motion into a linear motion, a connecting rod is installed to retract the piston.

고정자는 도 1 및 도 2에 도시된 바와 같이, 중앙에 원형의 중공부(34a)가 형성된 강판(34)이 수개 적층되어 형성되며, 중공부(34a)의 테두리에는 슬롯(34b)이 방사상으로 형성된다. 슬롯(34b) 내부에는 코일(31)이 지나게 되며, 이 코일(31)이 외부로부터 전원을 공급받으면 고정자(30)가 자성을 띄게 된다.1 and 2, the stator is formed by stacking several steel sheets 34 having a circular hollow portion 34a at the center thereof, and a slot 34b is radially formed at the edge of the hollow portion 34a. Is formed. The coil 31 passes through the slot 34b, and when the coil 31 receives power from the outside, the stator 30 becomes magnetic.

회전자(40)는 도 1에 도시한 바와 같이, 중앙에 원형의 중공부가 형성된 강판(41)이 수개 적층되어 형성되며, 내부에 영구자석이 설치되어 고정자(30)와 전자기적으로 상호작용하게 된다.As shown in FIG. 1, the rotor 40 is formed by stacking a plurality of steel sheets 41 having a circular hollow portion at the center thereof, and a permanent magnet is installed therein to electromagnetically interact with the stator 30. do.

그러나, 종래의 기술에 의한 고정자(30)는 코일(31)이 설치되는 슬롯(34b)이 중공부(34a)측으로 개방되도록 형성되므로 이 개방측을 통해 자속이 외부로 누출될 수 있고, 에어갭이 발생하므로 토오크 리플 현상이 발생할 수 있다. 따라서, 압축기의 효율이 저감되고 소음 및 진동이 발생할 수 있는 문제점이 있었다.However, since the stator 30 according to the related art is formed such that the slot 34b in which the coil 31 is installed is opened to the hollow portion 34a side, the magnetic flux may leak to the outside through the opening side, and the air gap This may cause torque ripple. Therefore, there is a problem that the efficiency of the compressor is reduced and noise and vibration may occur.

본 발명은 이와 같은 문제점을 해결하기 위한 것으로, 그 목적은 고정자에 형성되는 슬롯의 개방측을 통해 자속이 누설되는 것을 방지함으로써 효율을 향상시킨 밀폐형 압축기를 제공하는 것이다.The present invention has been made to solve such a problem, and an object thereof is to provide a hermetic compressor having improved efficiency by preventing leakage of magnetic flux through an open side of a slot formed in the stator.

또한, 에어갭을 제거함으로써 토오크 리플 현상을 억제하여 소음 및 진동을 방지하도록 한 밀폐형 압축기를 제공하는 것이다.In addition, it is to provide a hermetic compressor to remove the air gap to suppress the torque ripple phenomenon to prevent noise and vibration.

이러한 목적을 달성하기 위한 본 발명에 의한 밀폐형 압축기는 일측이 개방된 슬롯이 형성된 고정자; 상기 슬롯 내부에 설치되는 고정자코일; 상기 슬롯의 개방부를 폐쇄하는 슬롯폐쇄부재;를 포함하는 것을 특징으로 한다.The hermetic compressor according to the present invention for achieving this object is a stator having an open slot on one side; A stator coil installed inside the slot; And a slot closing member for closing the opening of the slot.

또한, 상기 고정자에는 원통형의 중공부가 형성되며, 상기 슬롯은 상기 중공부의 테두리를 따라 방사상으로 형성되는 것을 특징으로 한다.In addition, the stator is formed with a cylindrical hollow portion, the slot is characterized in that it is formed radially along the edge of the hollow portion.

또한, 상기 슬롯폐쇄부재는 상기 중공부의 내측에 설치되는 것을 특징으로 한다.In addition, the slot closure member is characterized in that it is installed inside the hollow portion.

또한, 상기 슬롯폐쇄부재는 원통형으로 형성되는 것을 특징으로 한다.In addition, the slot closing member is characterized in that it is formed in a cylindrical shape.

또한, 상기 슬롯폐쇄부재에는 상기 슬롯에 삽입되는 삽입부가 형성되는 것을 특징으로 한다.In addition, the slot closing member is characterized in that the insertion portion is inserted into the slot is formed.

이하에서는 본 발명에 따른 바람직한 실시 예를 첨부 도면을 참조하여 상세히 설명한다. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 의한 밀폐형 압축기는 도 3에 도시한 바와 같이, 상부용기(1)와 하부용기(2)로 이루어지는 밀폐용기 내부에 냉매를 압축하는 압축부(7)와 이를 구동하는 구동부(5)가 설치된다.As shown in FIG. 3, the hermetic compressor according to the present invention includes a compression unit 7 for compressing a refrigerant in a hermetically sealed container including an upper container 1 and a lower container 2 and a driving unit 5 for driving the refrigerant. Is installed.

압축부(7)는 압축실을 형성하는 실린더블럭(8)과, 압축실 내부를 왕복 운동하는 피스톤(10)을 구비하고, 실린더블럭(8) 일측에는 외부와 연통된 흡입실 및 토출실이 각각 형성된 실린더헤드(11)가 결합된다.The compression unit 7 includes a cylinder block 8 forming a compression chamber and a piston 10 reciprocating inside the compression chamber, and one side of the cylinder block 8 includes a suction chamber and a discharge chamber communicating with the outside. Each formed cylinder head 11 is coupled.

구동부(5)는 자장을 형성하는 고정자(20)와, 고정자(20)와 전자기적으로 상호 작용하여 회전하는 회전자(4)와, 회전자(4)의 중공부에 압입 고정되어 회전자(4)와 함께 회전하는 회전축(6)을 구비하고, 회전축(6)의 하단부에는 회전축(6)의 회전운동을 직선운동으로 변환시켜줌으로써 피스톤(10)을 진퇴시키는 커넥팅로드(10a)가 설치되게 된다.The driving unit 5 includes a stator 20 that forms a magnetic field, a rotor 4 that rotates electromagnetically with the stator 20, and a rotor that is press-fitted to a hollow part of the rotor 4. 4) is provided with a rotating shaft (6) to rotate together, and at the lower end of the rotating shaft (6) is installed a connecting rod (10a) for advancing and retracting the piston (10) by converting the rotational movement of the rotating shaft (6) into a linear movement. do.

고정자(20)는 도 4 및 도 5에 도시된 바와 같이, 중앙에 원형의 중공부(24a)가 형성된 강판(24)이 수개 적층되어 형성되며, 중공부(24a)의 테두리에는 도 5에 도시된 바와 같이, 슬롯(24b)이 방사상으로 형성된다. 슬롯(24b) 내부에는 코일(21)이 지나게 되며, 이 코일(21)이 외부로부터 전원을 공급받으면 고정자(20)가 자성을 띄게 된다.As shown in FIGS. 4 and 5, the stator 20 is formed by stacking a plurality of steel sheets 24 having a circular hollow portion 24a formed at the center thereof, and the edge of the hollow portion 24a is illustrated in FIG. 5. As shown, the slot 24b is radially formed. The coil 21 passes through the slot 24b, and when the coil 21 receives power from the outside, the stator 20 becomes magnetic.

회전자(4)는 도 4에 도시한 바와 같이, 중앙에 원형의 중공부가 형성된 강판(4a)이 수개 적층되어 형성되며, 내부에 영구자석(미도시)이 설치되어 고정자(20)와 전자기적으로 상호작용하게 된다.As shown in FIG. 4, the rotor 4 is formed by stacking a plurality of steel sheets 4a having a circular hollow portion in the center thereof, and a permanent magnet (not shown) is installed therein, so that the stator 20 and electromagnetic To interact with.

또한, 본 발명에 의한 밀폐형압축기의 구동부(5)는 고정자(20)에 형성되는 슬롯(24b)의 개방측을 막는 슬롯폐쇄부재(25)를 구비한다. In addition, the drive unit 5 of the hermetic compressor according to the present invention includes a slot closing member 25 that blocks the open side of the slot 24b formed in the stator 20.                     

슬롯폐쇄부재(25)는 금속판재를 원통형으로 제작하여 사용하는데, 외면에는 방사상으로 슬롯(24b)의 개방측에 삽입되는 삽입부(25a)가 형성된다. 슬롯폐쇄부재(25)의 외경은 중공부(24a)의 내경과 동일하게 형성되어 도 5에 도시한 바와 같이, 슬롯폐쇄부재(25)가 중공부(24a)에 삽입 설치될 수 있게된다. 삽입부(25a)는 슬롯(24b)의 개방측에 대응하는 위치에 길이방향으로 수개가 형성된다.The slot closure member 25 is manufactured by using a metal plate in a cylindrical shape, and an outer surface is formed with an insertion portion 25a radially inserted into the open side of the slot 24b. The outer diameter of the slot closure member 25 is formed to be the same as the inner diameter of the hollow portion 24a so that the slot closure member 25 can be inserted into the hollow portion 24a. The insertion part 25a is formed in the longitudinal direction at the position corresponding to the open side of the slot 24b.

따라서, 슬롯폐쇄부재(25)를 삽입부(25a)가 슬롯(24b)에 삽입되도록 하여 고정자(20)의 적층된 강판(24) 내부에 설치하면, 슬롯폐쇄부재(25)에 의해 슬롯(24b)의 개방측이 폐쇄된다. 그러므로, 슬롯(24b)의 개방측을 통해 자속이 누설되는 것이 방지된다.Therefore, when the slot closing member 25 is inserted into the laminated steel sheet 24 of the stator 20 such that the insertion portion 25a is inserted into the slot 24b, the slot 24b is opened by the slot closing member 25. ) The open side is closed. Therefore, the magnetic flux is prevented from leaking through the open side of the slot 24b.

이상에서 상세히 설명한 바와 같이, 본 발명에 따른 밀폐형 압축기는 슬롯을 막는 슬롯폐쇄부재가 설치되므로 슬롯의 개방측을 통해 자속이 누설되는 것을 방지함으로써 구동부의 효율을 향상시킬 수 있는 효과가 있다.As described above in detail, the hermetic compressor according to the present invention is provided with a slot closing member for blocking the slot, thereby preventing the magnetic flux from leaking through the open side of the slot, thereby improving the efficiency of the driving unit.

또한, 토크 리플 현상을 방지함으로써 소음 및 진동을 방지할 수 있는 효과가 있다.In addition, there is an effect that can prevent the noise and vibration by preventing the torque ripple phenomenon.

Claims (5)

일측이 개방된 슬롯이 형성된 고정자;A stator having an open slot on one side; 상기 슬롯 내부에 설치되는 고정자코일;A stator coil installed inside the slot; 상기 슬롯의 개방부를 폐쇄하는 슬롯폐쇄부재;를 포함하는 밀폐형 압축기.And a slot closing member for closing the opening of the slot. 제 1항에 있어서,The method of claim 1, 상기 고정자에는 원통형의 중공부가 형성되며,The stator has a cylindrical hollow portion, 상기 슬롯은 상기 중공부의 테두리를 따라 방사상으로 형성되는 것을 특징으로 하는 밀폐형 압축기.The slot is closed compressor, characterized in that formed radially along the rim of the hollow portion. 제 2항에 있어서,The method of claim 2, 상기 슬롯폐쇄부재는 상기 중공부의 내측에 설치되는 것을 특징으로 하는 밀폐형 압축기.The slot closing member is a hermetic compressor, characterized in that installed inside the hollow portion. 제 2항에 있어서,The method of claim 2, 상기 슬롯폐쇄부재는 원통형으로 형성되는 것을 특징으로 하는 밀폐형 압축기.The slot closing member is a hermetic compressor, characterized in that formed in a cylindrical shape. 제 1항에 있어서,The method of claim 1, 상기 슬롯폐쇄부재에는 상기 슬롯에 삽입되는 삽입부가 형성되는 것을 특징으로 하는 밀폐형 압축기.The slot closing member is a hermetic compressor characterized in that the insertion portion is inserted into the slot is formed.
KR1020040054153A 2004-07-12 2004-07-12 Driving unit of hermetic compressor KR20060005253A (en)

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