KR20050107122A - Hermetic compressor - Google Patents

Hermetic compressor Download PDF

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Publication number
KR20050107122A
KR20050107122A KR1020040032323A KR20040032323A KR20050107122A KR 20050107122 A KR20050107122 A KR 20050107122A KR 1020040032323 A KR1020040032323 A KR 1020040032323A KR 20040032323 A KR20040032323 A KR 20040032323A KR 20050107122 A KR20050107122 A KR 20050107122A
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KR
South Korea
Prior art keywords
magnet
hermetic compressor
rotor
support plate
fixing
Prior art date
Application number
KR1020040032323A
Other languages
Korean (ko)
Other versions
KR100565011B1 (en
Inventor
서철
Original Assignee
삼성광주전자 주식회사
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.)
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Publication date
Application filed by 삼성광주전자 주식회사 filed Critical 삼성광주전자 주식회사
Priority to KR1020040032323A priority Critical patent/KR100565011B1/en
Priority to JP2004269822A priority patent/JP2005323487A/en
Priority to IT000627A priority patent/ITTO20040627A1/en
Priority to CNA2004100780495A priority patent/CN1693706A/en
Priority to BR0404016-3A priority patent/BRPI0404016A/en
Publication of KR20050107122A publication Critical patent/KR20050107122A/en
Application granted granted Critical
Publication of KR100565011B1 publication Critical patent/KR100565011B1/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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F04B35/045—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids
    • 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
    • F04B39/14—Provisions for readily assembling or disassembling
    • 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
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/06—Rolling motors, i.e. motors having the rotor axis parallel to the stator axis and following a circular path as the rotor rolls around the inside or outside of the stator ; Nutating motors, i.e. having the rotor axis parallel to the stator axis inclined with respect to the stator axis and performing a nutational movement as the rotor rolls on the stator
    • 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
    • F05B2260/30—Retaining components in desired mutual position
    • 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
    • Y10S417/902—Hermetically sealed motor pump unit

Abstract

본 발명은 밀폐형 압축기에 관한 것으로, 회전자(40)는 다수의 전기강판(41)이 적층된 적층부(42)와, 적층부(42)의 외측에 배치되는 마그네트(43)와, 적층부(42) 및 마그네트(43)의 상측과 하측에 각각 마련되어 이를 고정하는 지지플레이트(44,45)로 마련되는데, 지지플레이트(44,45)에는 마그네트(43)에 삽입되는 고정돌기(44a,45a)가 형성되어 마그네트(43)가 반경방향으로 이탈되는 것을 방지하게 된다.The present invention relates to a hermetic compressor, wherein the rotor 40 includes a lamination part 42 in which a plurality of electrical steel sheets 41 are stacked, a magnet 43 disposed outside the lamination part 42, and a lamination part. The support plates 44 and 45 are provided on the upper and lower sides of the 42 and the magnet 43, respectively, and the fixing protrusions 44a and 45a are inserted into the magnets 43 to the support plates 44 and 45, respectively. ) Is formed to prevent the magnet 43 from being separated in the radial direction.

Description

밀폐형 압축기{Hermetic Compressor}Hermetic Compressor

본 발명은 밀폐형 압축기에 관한 것으로, 보다 상세하게는 자장을 형성하는 고정자와 전자기적으로 상호 작용하며 회전 운동을 하는 회전자를 갖춘 밀폐형 압축기에 관한 것이다.The present invention relates to a hermetic compressor, and more particularly, to a hermetic compressor having a rotor which is in electromagnetic interaction with a stator which forms a magnetic field and which rotates.

일반적으로 밀폐형 압축기는 밀폐공간 내로 냉매를 흡입하여 압축한 후 토출하는 장치로써, 냉매를 압축하는 압축장치와 이를 구동하는 구동장치로 구성된다.In general, a hermetic compressor is a device that sucks and compresses a refrigerant into a closed space and discharges the refrigerant, and includes a compression device that compresses the refrigerant and a driving device that drives the refrigerant.

압축장치는 밀폐공간을 형성하는 밀폐용기 내부에 마련되는 것으로, 압축실을 형성하는 실린더블록과, 압축실 내부를 왕복 운동하는 피스톤을 구비하고, 실린더블록 일측에는 외부와 연통된 흡입실 및 토출실이 각각 형성된 실린더헤드가 결합된다.The compression device is provided in a sealed container that forms a closed space, and includes a cylinder block forming a compression chamber and a piston reciprocating inside the compression chamber, and one side of the cylinder block communicates with the outside in the suction chamber and the discharge chamber. Each of these formed cylinder heads is combined.

구동장치는 자장을 형성하는 고정자와, 고정자와 전기적으로 상호 작용하여 회전하는 회전자와, 회전자의 중공부에 압입 고정되어 회전자와 함께 회전하는 회전축을 포함하는 모터와, 회전축에 연결되어 회전운동을 직선운동으로 변환함으로써 피스톤을 진퇴시키는 커넥팅로드를 구비한다.The drive device includes a stator that forms a magnetic field, a rotor that rotates in electrical interaction with the stator, a motor including a rotating shaft that is press-fitted to the hollow part of the rotor and rotates with the rotor, and is connected to the rotating shaft to rotate And a connecting rod for retracting the piston by converting the motion into a linear motion.

한편, 회전자는 회전축 외측에 적층되는 다수의 전기강판과, 전기강판의 상단과 하단을 각각 지지하는 한 쌍의 지지플레이트와, 전기강판 외측에 배치되는 마그네트를 구비하며, 전기강판의 외주면 측에는 마그네트가 끼워져 결합되도록 설치홈이 형성되고, 마그네트가 설치홈으로부터 이탈되는 것을 방지하기 위해 마그네트 외측에 마그네트를 감싸는 원통부재가 마련된다.On the other hand, the rotor has a plurality of electrical steel sheets stacked on the outer side of the rotating shaft, a pair of support plates for supporting the upper and lower ends of the electrical steel sheet, and a magnet disposed outside the electrical steel sheet, the magnet is on the outer peripheral surface side of the electrical steel sheet An installation groove is formed to be fitted and coupled, and a cylindrical member surrounding the magnet is provided outside the magnet to prevent the magnet from being separated from the installation groove.

그러나, 종래 밀폐형 압축기는 상기 원통부재에 의해 자속을 형성하는 고정자와 전기강판 사이의 거리가 멀어지게 되어 모터의 출력효율이 저하되게 되는 문제점이 발생하게 된다.However, the conventional hermetic compressor has a problem that the distance between the stator and the electrical steel sheet forming the magnetic flux by the cylindrical member is farther away, the output efficiency of the motor is lowered.

또한, 별도의 원통부재가 요구됨에 따라 작업공정이 복잡해지고 생산비가 상승되는 문제점이 있었다.In addition, as a separate cylindrical member is required, there is a problem that the work process is complicated and the production cost is increased.

본 발명은 이와 같은 문제점을 해결하기 위한 것으로, 그 목적은 회전자에 마그네트를 견고하면서도 용이하게 설치할 수 있으며, 회전자의 전기강판과 고정자 간의 거리를 최소화 하여 출력효율을 전체적으로 향상시킬 수 있는 모터를 갖춘 밀폐형 압축기를 제공하는 것이다.The present invention is to solve such a problem, the object of the present invention is to provide a robust and easy to install the magnet on the rotor, and to minimize the distance between the electrical steel plate and the stator of the rotor to improve the overall efficiency of the motor It is to provide a hermetic compressor equipped.

이러한 목적을 달성하기 위한 본 발명은; 회전축과, 자장을 형성하는 고정자와 전자기적으로 상호 작용하며 상기 회전축과 함께 회전하는 회전자를 구비한 밀폐형 압축기에 있어서, 상기 회전자는 다수의 전기강판이 적층 형성된 적층부와, 상기 적층부의 외주면측에 마련된 마그네트와, 상기 마그네트 및 상기 적층부를 축방향으로 지지하는 지지플레이트와, 상기 마그네트를 반경방향으로 지지하도록 상기 지지플레이트로부터 상기 마그네트 측으로 연장된 고정돌기를 포함하는 것을 특징으로 한다.The present invention for achieving this object is; In a hermetic compressor having a rotating shaft and a rotor which electromagnetically interacts with a stator forming a magnetic field and rotates together with the rotating shaft, the rotor includes a lamination part in which a plurality of electrical steel sheets are laminated, and an outer peripheral surface side of the lamination part. It characterized in that it comprises a magnet provided in, the support plate for supporting the magnet and the laminated portion in the axial direction, and a fixing projection extending from the support plate to the magnet side to support the magnet in the radial direction.

또한, 상기 고정돌기는 상기 마그네트의 외측면을 지지하는 것을 특징으로 한다.In addition, the fixing protrusion is characterized in that for supporting the outer surface of the magnet.

또한, 상기 마그네트에는 상기 고정돌기가 삽입되는 고정홈이 형성된 것을 특징으로 한다.In addition, the magnet is characterized in that the fixing groove is formed is inserted into the fixing projections.

또한, 상기 고정홈은 상기 마그네트의 상기 지지플레이트와 접하는 면에 형성된 것을 특징으로 한다.In addition, the fixing groove is characterized in that formed on the surface in contact with the support plate of the magnet.

또한, 상기 고정돌기는 상기 마그네트의 외측방향으로 경사지게 형성되며, 상기 고정홈은 상기 마그네트의 외측면 및 상기 지지플레이트와 접하는 면 사이의 모서리 일부가 모따기되어 형성된 것을 특징으로 한다.In addition, the fixing protrusion is formed to be inclined in the outward direction of the magnet, the fixing groove is characterized in that the edge portion between the outer surface of the magnet and the surface in contact with the support plate is formed by chamfering.

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.

도 1은 본 발명에 따른 밀폐형 압축기의 전체 구조를 도시한 측단면도이다.1 is a side cross-sectional view showing the entire structure of a hermetic compressor according to the present invention.

도 1를 참조하면, 본 발명에 따른 밀폐형 압축기는, 밀폐공간을 형성하는 밀폐용기(10) 내부에 냉매를 압축하도록 마련된 압축장치(20)와, 압축장치(20)를 구동하기 위한 구동장치(30)를 포함하여 구성된다.Referring to Figure 1, the hermetic compressor according to the present invention, a compression device 20 is provided to compress the refrigerant in the sealed container 10 to form a closed space, and a drive device for driving the compression device ( 30).

압축장치(20)는 압축실(21a)이 형성된 실린더블록(21)과, 압축실(21a) 내를 진퇴하며 냉매를 압축하는 피스톤(22)을 구비하고, 실린더블록(21) 일측에는 외부와 연통된 흡입실(23a) 및 토출실(23b)이 각각 형성된 실린더헤드(23)가 결합되며, 실린더블록(21)과 실린더헤드(23) 사이에는 냉매의 유출입을 제어하는 밸브장치(24)가 마련된다.The compression device 20 includes a cylinder block 21 in which a compression chamber 21a is formed, and a piston 22 for advancing into and out of the compression chamber 21a to compress refrigerant. The cylinder head 23 having the suction chamber 23a and the discharge chamber 23b communicated with each other is coupled to each other, and a valve device 24 for controlling the flow of refrigerant is provided between the cylinder block 21 and the cylinder head 23. Prepared.

구동장치(30)는 압축장치(20)에서 냉매의 압축이 이루어지도록 피스톤(22)을 진퇴 시키는 것으로, 자장을 형성하는 고정자(31)와, 이 고정자(31)의 내부에 이격 설치되어 고정자(31)와 전자기적으로 상호 작용하는 회전자(40)와, 회전자(40)의 중심에 압입되어 회전자(40)와 함께 회전하는 회전축(32)으로 마련되는 모터와, 회전축(32)에 연결되어 회전운동을 직선운동으로 변환시켜줌으로써 피스톤(22)을 진퇴시키는 커넥팅로드(33)를 포함하여 구성된다.The driving device 30 is to advance and retract the piston 22 to compress the refrigerant in the compression device 20. The stator 31, which forms a magnetic field, is spaced apart and installed inside the stator 31. 31, a motor provided with a rotor 40 electromagnetically interacting with the rotor 40, a rotating shaft 32 press-fitted to the center of the rotor 40 to rotate together with the rotor 40, and a rotation shaft 32. It is configured to include a connecting rod 33 for advancing and retracting the piston 22 by converting the rotational movement into a linear movement.

이하, 본 발명에 따른 회전자(32)를 도면을 참조하여 보다 상세히 설명한다.Hereinafter, the rotor 32 according to the present invention will be described in more detail with reference to the drawings.

도 2 및 도 3을 참조하면, 본 발명에 따른 회전자(40)는 다수의 전기강판(41)이 상하방향으로 적층되어 형성된 적층부(42)와, 적층부(42)의 외주면에 형성된 설치홈(42a)에 삽입되는 마그네트(43)를 구비한다. 이때 설치홈(42a)은 원주방향으로 이격되게 다수개 형성되며, 각 설치홈(42a)에 삽입되는 마그네트(43)는 극을 달리하도록 교번되게 설치된다.2 and 3, the rotor 40 according to the present invention is a laminated portion 42 formed by stacking a plurality of electrical steel sheet 41 in the vertical direction, the installation formed on the outer peripheral surface of the laminated portion 42 The magnet 43 inserted into the groove 42a is provided. At this time, a plurality of installation grooves 42a are formed to be spaced apart in the circumferential direction, and the magnets 43 inserted into each of the installation grooves 42a are alternately installed to have different poles.

그리고 적층부(42)의 상측과 하측에는 상부 지지플레이트(44) 및 하부지지플레이트(45)가 마련되어 적층부(42) 및 마그네트(43)를 축방향으로 지지하게 되며, 이때 다수의 전기강판(41)과 지지플레이트(44,45)는 내부를 통과하는 리벳(46)을 통해 서로 고정을 이루게 된다.An upper support plate 44 and a lower support plate 45 are provided on the upper side and the lower side of the laminated part 42 to support the laminated part 42 and the magnet 43 in the axial direction, and a plurality of electrical steel sheets ( 41 and the support plates 44 and 45 are fixed to each other through the rivet 46 passing through the inside.

또, 상부 지지플레이트(44)에는 마그네트(43)가 반경방향으로 이탈되는 것을 방지하도록 마그네트(43)의 상면 측으로 돌출된 상부 고정돌기(44a) 형성되며, 마그네트(43)의 상면에는 상부 고정돌기(44a)가 삽입되는 상부 고정홈(43a)이 형성된다. 그리고 하부 지지플레이트(45)에는 마그네트(43)의 하면 측으로 돌출된 하부 고정돌기(45a)가 형성되고, 하부 고정돌기(45a)가 삽입되는 하부 고정홈(43b)이 마그네트(43) 하면에 형성되게 된다.In addition, the upper support plate 44 is formed with an upper fixing protrusion 44a protruding toward the upper surface side of the magnet 43 to prevent the magnet 43 from being separated in the radial direction, the upper fixing protrusion on the upper surface of the magnet 43 An upper fixing groove 43a into which the 44a is inserted is formed. In addition, a lower fixing protrusion 45a protruding toward the lower surface of the magnet 43 is formed on the lower support plate 45, and a lower fixing groove 43b into which the lower fixing protrusion 45a is inserted is formed on the lower surface of the magnet 43. Will be.

또한, 도 4 및 도 5에 도시된 바와 같이, 상부 고정돌기(44a') 및 하부 고정돌기(45a')는 마그네트(43')의 외측면을 지지하도록 마련될 수 있는데, 이때 고정돌기(44a',45a')가 마그네트(43')의 외측으로 돌출되는 것이 방지되도록 고정돌기(44a',45a')는 마그네트(43')의 외측방향으로 소정각 경사지게 형성된다. 그리고 상부 고정홈(43a')은 마그네트(43')의 상면과 외측면 사이의 모서리 일부가 모따기 되어 형성되게 되고, 하부 고정홈(43b')은 마그네트(43')의 하면과 외측면 사이의 모서리 일부가 모따기되어 형성되게 된다.In addition, as shown in FIGS. 4 and 5, the upper fixing protrusion 44a 'and the lower fixing protrusion 45a' may be provided to support the outer surface of the magnet 43 ', where the fixing protrusion 44a is provided. The fixing protrusions 44a 'and 45a' are formed to be inclined at a predetermined angle in the outer direction of the magnet 43 'to prevent', 45a 'from protruding out of the magnet 43'. The upper fixing groove 43a 'is formed by chamfering a part of the corner between the upper surface and the outer surface of the magnet 43', and the lower fixing groove 43b 'is formed between the lower surface and the outer surface of the magnet 43'. A part of the corner is formed by chamfering.

다음에는 본 발명에 따른 밀폐형 압축기의 회전자 조립 과정 및 그에 따른 효과를 설명한다.Next, the rotor assembly process and the effect thereof of the hermetic compressor according to the present invention will be described.

먼저, 다수의 전기강판(41)을 리벳(46)에 끼워 적층부(42)를 형성한다. 계속해서, 리벳(46)의 상측으로 상부 지지플레이트(44)를 삽입하고, 리벳(46)의 하측으로 하부 지지플레이트(45)를 삽입하게 되며, 이때, 적층부(42) 외주면측에 형성된 설치홈(42a)으로 마그네트(43)를 삽입하면서 지지플레이트(44,45)에 형성된 고정돌기(44a,45a)와 마그네트(43)의 고정홈(43a,43b)의 위치를 서로 일치시킨 후 지지플레이트(44,45)를 적층부(42) 및 마그네트(43)와 완전히 결합시키게 된다.First, a plurality of electrical steel sheets 41 are sandwiched by rivets 46 to form a laminate 42. Subsequently, the upper support plate 44 is inserted into the upper side of the rivet 46, and the lower support plate 45 is inserted into the lower side of the rivet 46. At this time, the mounting portion formed on the outer peripheral surface side of the laminated part 42 is inserted. After inserting the magnet 43 into the groove 42a, the fixing protrusions 44a and 45a formed on the support plates 44 and 45 and the positions of the fixing grooves 43a and 43b of the magnet 43 coincide with each other and then the support plate. The 44 and 45 are completely combined with the stack 42 and the magnet 43.

이후, 별도의 지그를 통해 리벳(46)을 코킹하면 마그네트(43)는 지지플레이트(44,45)에 의해 적층부(42)에 견고히 고정되게 된다.Thereafter, when the rivet 46 is caulked through a separate jig, the magnet 43 is firmly fixed to the stack 42 by the support plates 44 and 45.

이와 같이, 본 발명에 따른 밀폐형 압축기의 회전자(42)는 마그네트(43)가 지지플레이트(44,45)만을 통해서도 견고히 고정되게 되므로, 종래 압축기에 있어서 마그네트(43)의 외주면을 감싸 고정하는 별도의 원통부재가 요구되지 않게 된다.As such, the rotor 42 of the hermetic compressor according to the present invention is fixed to the magnet 43 through only the support plates 44 and 45, so that the conventional compressor surrounds and fixes the outer circumferential surface of the magnet 43. No cylindrical member is required.

이에 따라, 자속을 형성하는 고정자(31)와 회전자(40)의 전기강판(41) 간의 거리를 최소화할 수 있게 되어 모터의 출력효율이 향상되게 된다.Accordingly, the distance between the stator 31 and the electrical steel plate 41 of the rotor 40 forming the magnetic flux can be minimized, thereby improving the output efficiency of the motor.

이상에서 상세히 설명한 바와 같이, 본 발명에 따른 밀폐형 압축기는 회전자를 이루는 전기강판 및 마그네트가 지지플레이트에 형성된 고정돌기를 통해 서로 고정되게 된다.As described in detail above, the hermetic compressor according to the present invention is fixed to each other through the fixing projection formed on the support plate and the electric steel plate and the magnet constituting the rotor.

이에 따라, 마그네트 외측에 별도의 고정부재가 요구되지 않게 됨으로 자속을 형성하는 고정자와 회전자의 전기강판 간의 거리를 최소화 할 수 있게 되어 모터의 출력효율 및 압축기의 구동효율이 전체적으로 향상되게 되는 효과가 있다.Accordingly, since a separate fixing member is not required outside the magnet, the distance between the stator and the electric steel plate of the rotor forming the magnetic flux can be minimized, thereby improving the output efficiency of the motor and the driving efficiency of the compressor as a whole. have.

또한, 본 발명의 회전자는 전기강판을 고정하는 지지플레이트에 의해 마그네트가 함께 고정되는 구조이므로, 작업공정 및 생산비를 절감할 수 있게 되는 효과가 있다.In addition, the rotor of the present invention has a structure that the magnet is fixed together by a support plate for fixing the electrical steel sheet, there is an effect that can reduce the work process and production costs.

도 1은 본 발명에 따른 밀폐형 압축기의 전체 구조를 도시한 단면도이다.1 is a cross-sectional view showing the entire structure of a hermetic compressor according to the present invention.

도 2는 본 발명에 따른 밀폐형 압축기에 마련된 회전자를 보인 분해사시도이다.Figure 2 is an exploded perspective view showing a rotor provided in the hermetic compressor according to the present invention.

도 3은 본 발명에 따른 밀폐형 압축기에 마련된 회전자를 보인 단면도이다.3 is a cross-sectional view showing a rotor provided in the hermetic compressor according to the present invention.

도 4는 본 발명에 따른 밀폐형 압축기에 마련된 회전자의 다른 실시예를 보인 단면도이다.Figure 4 is a cross-sectional view showing another embodiment of the rotor provided in the hermetic compressor according to the present invention.

도 5는 도 4에 도시된 마그네트를 발췌하여 도시한 사시도이다.5 is a perspective view showing an extract of the magnet shown in FIG.

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

10 : 밀폐용기, 20 : 압축장치,10: sealed container, 20: compression device,

30 : 구동장치, 31 : 고정자,30: driving device, 31: stator,

32 : 회전축, 40 : 회전자,32: axis of rotation, 40: rotor,

41 : 전기강판, 42 : 적층부,41: electrical steel sheet, 42: laminated portion,

42a : 설치홈, 43 : 마그네트,42a: mounting groove, 43: magnet,

43a,43b : 고정홈, 44,45 : 지지플레이트,43a, 43b: Fixing groove, 44,45: Support plate,

44a,45a : 고정돌기, 46 : 리벳.44a, 45a: fixing protrusion, 46: rivet.

Claims (5)

회전축과, 자장을 형성하는 고정자와 전자기적으로 상호 작용하며 상기 회전축과 함께 회전하는 회전자를 구비한 밀폐형 압축기에 있어서,In a hermetic compressor having a rotating shaft and a rotor electromagnetically interacting with a stator forming a magnetic field and rotating together with the rotating shaft, 상기 회전자는 다수의 전기강판이 적층 형성된 적층부와, 상기 적층부의 외주면측에 마련된 마그네트와, 상기 마그네트 및 상기 적층부를 축방향으로 지지하는 지지플레이트와, 상기 마그네트를 반경방향으로 지지하도록 상기 지지플레이트로부터 상기 마그네트 측으로 연장된 고정돌기를 포함하는 것을 특징으로 하는 밀폐형 압축기.The rotor includes a laminate in which a plurality of electrical steel sheets are laminated, a magnet provided on an outer circumferential side of the laminate, a support plate for supporting the magnet and the laminate in an axial direction, and the support plate to radially support the magnet. Hermetic compressor, characterized in that it comprises a fixing projection extending from the magnet side from. 제 1항에 있어서,The method of claim 1, 상기 고정돌기는 상기 마그네트의 외측면을 지지하는 것을 특징으로 하는 밀폐형 압축기.The fixing projection is characterized in that the compressor for supporting the outer surface of the magnet. 제 1항에 있어서,The method of claim 1, 상기 마그네트에는 상기 고정돌기가 삽입되는 고정홈이 형성된 것을 특징으로 하는 밀폐형 압축기.The magnet is a hermetic compressor, characterized in that the fixing groove is formed is inserted into the fixing projection. 제 3항에 있어서,The method of claim 3, wherein 상기 고정홈은 상기 마그네트의 상기 지지플레이트와 접하는 면에 형성된 것을 특징으로 하는 밀폐형 압축기.The fixed groove is characterized in that the compressor is formed on the surface in contact with the support plate of the magnet. 제 3항에 있어서,The method of claim 3, wherein 상기 고정돌기는 상기 마그네트의 외측방향으로 경사지게 형성되며,The fixing protrusion is formed to be inclined in the outer direction of the magnet, 상기 고정홈은 상기 마그네트의 외측면 및 상기 지지플레이트와 접하는 면 사이의 모서리 일부가 모따기되어 형성된 것을 특징으로 하는 밀폐형 압축기.The fixing groove is a hermetic compressor, characterized in that formed by chamfering a portion of the edge between the outer surface of the magnet and the surface in contact with the support plate.
KR1020040032323A 2004-05-07 2004-05-07 Hermetic Compressor KR100565011B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020040032323A KR100565011B1 (en) 2004-05-07 2004-05-07 Hermetic Compressor
JP2004269822A JP2005323487A (en) 2004-05-07 2004-09-16 Enclosed compressor
IT000627A ITTO20040627A1 (en) 2004-05-07 2004-09-17 HERMETIC COMPRESSOR, IN PARTICULAR THE TYPE EQUIPPED WITH A ROTOR AND A STATOR COUPLED electromagnetically
CNA2004100780495A CN1693706A (en) 2004-05-07 2004-09-20 Enclosed compressor
BR0404016-3A BRPI0404016A (en) 2004-05-07 2004-09-21 Airtight compressor

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Application Number Priority Date Filing Date Title
KR1020040032323A KR100565011B1 (en) 2004-05-07 2004-05-07 Hermetic Compressor

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KR100565011B1 KR100565011B1 (en) 2006-03-30

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JP2006174655A (en) * 2004-12-17 2006-06-29 Nidec Sankyo Corp Motor and its manufacturing method
KR20140053734A (en) * 2012-10-26 2014-05-08 한라비스테온공조 주식회사 Electric compressor
CN103790800B (en) * 2014-01-22 2016-03-09 李健宝 Tire for vehicles double-cylinder inflating pump
JP6655419B2 (en) * 2016-02-17 2020-02-26 株式会社ミツバ Rotor and motor
JP6661239B2 (en) * 2016-08-09 2020-03-11 株式会社ミツバ Rotor and motor
JP7072375B2 (en) * 2017-12-01 2022-05-20 橘コンサルタンツ株式会社 Rotor for rotating equipment and its manufacturing method
JP2019205322A (en) * 2018-05-25 2019-11-28 Tdk株式会社 Permanent magnet and motor

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BRPI0404016A (en) 2006-01-10
KR100565011B1 (en) 2006-03-30

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