KR20010037580A - Cooling device of magnetic particle type electronic connecting device - Google Patents

Cooling device of magnetic particle type electronic connecting device Download PDF

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Publication number
KR20010037580A
KR20010037580A KR1019990045169A KR19990045169A KR20010037580A KR 20010037580 A KR20010037580 A KR 20010037580A KR 1019990045169 A KR1019990045169 A KR 1019990045169A KR 19990045169 A KR19990045169 A KR 19990045169A KR 20010037580 A KR20010037580 A KR 20010037580A
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South Korea
Prior art keywords
driven body
shaft
magnetic particle
driving
air
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KR1019990045169A
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Korean (ko)
Inventor
나종갑
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나종갑
나산니레코 주식회사
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Priority to KR1019990045169A priority Critical patent/KR20010037580A/en
Publication of KR20010037580A publication Critical patent/KR20010037580A/en

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    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D37/00—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
    • F16D37/02—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive the particles being magnetisable
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D37/00—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
    • F16D2037/005—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive characterised by a single substantially radial gap in which the fluid or medium consisting of small particles is arranged

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

PURPOSE: A cooler make air directly pass through the inside of a driven body and the driven body exposed to flowing air with large area thereof to cool heat generated during the operation of a magnetic particle type electronic connector. CONSTITUTION: A ring shaped driving body(3) is integrally fixed with a shaft(4) with a supporting board(12) to be connected with a driving part on the machine side. A driven body(10) has the periphery placed facing with the inner circumference of the driving body(3) with a microscopic space between and is fixed to a shaft(20) to be connected with an operating part on the machine side. The microscopic space is packed with magnetic particles(15). An electromagnet part(1) has an exciting coil(7) controlling the connecting condition of the driving body(3) and the driven body(10) by magnetizing the magnetic particles(15). Separating boards(9, 17) are installed on both sides of the driven body(10) to the direction of diameter to form an air passage(22). A number of cooling protrusions(18, 19, 25) large or small are formed on the separating boards(9, 17) to expand contacting area of the driven body(10) with flowing air(23).

Description

자성입자식 전자연결장치의 냉각장치{.}Cooling device for magnetic particle electronic connector

본 발명은 자성입자식 전자연결장치의 냉각장치에 관한 것으로 환형으로 형성된 구동체(3)는 지지판(12)을 연결매체로하여 축(4)과 일체로 고착연결되어 기계측의 구동부와 연결되고, 이 구동체의 내원주에 미소공간을 두고 외원주가 대향배치된 피구동체(10)는 축(20)과 고착연결되어 기계측의 작동부와 연결되며, 상기 미소공간에 충진된 자성입자(15)를 자화하여 구동체(3)와 피구동체(10)와의 연결상태를 제어하는 여자코일(7)을 구비한 전자석부(1)는 연결매체인 부라켓(2),(6)과 일체로 고착연결되어 기계측에 고정되어지고, 피구동체(10)의 좌우양측에 격막판(9)(17)을 설치하여 흐르는 공기의통로(22)를 형성시켜 공기의흐름(23)에 노출시킨다. 이와같은 구조에 있어서, 여자코일(7)에 통전하게되면 자성입자(15)가 자화되고, 자화된 자성입자(15)는 구동체(3)와 피구동체(10)를 결합시키고, 이 결합시키는 힘은, 축(4)을 통해 구동력을 전달받은 구동체(3)가 회전을 할 때 피구동체(10)를 회전시키게되며, 이 회전력의 세기는 여자코일(7)에 흐르는 전류의 세기에 의해 결정된다. 구동체(3)가 회전을 하면 송풍판(16)이 공기의흐름(23)을 발생시켜 격막판(9)(17)에 의해 형성된 공기통로(22)를 따라 공기가 피구동체(10)의 내부를 직접적으로 흐르면서, 이 격막판(18)(19)상에 형성된 다수의 크고작은 냉각용돌출부(18)(19)(25)를 흐르는 공기에 노출시켜 공기와 접촉되는 면적을 넓혀줌으로서 피구동체(10)를 냉각시켜주는 효과를 높여주는데 특징이 있다.The present invention relates to a cooling device for a magnetic particle electronic connecting device, and the driving body (3) formed in an annular shape is fixedly connected to the shaft (4) by a support plate (12) as a connecting medium and connected to a driving part on a machine side. , The driven member 10 having a micro space on the inner circumference of the driving body and the outer circumference disposed oppositely is fixedly connected to the shaft 20 and connected to an operating part of the machine side, and the magnetic particles filled in the micro space ( The electromagnet portion 1 having the excitation coil 7 for controlling the connection state between the drive body 3 and the driven object 10 by magnetizing 15) is integral with the brackets 2 and 6 as the connection medium. Fixed to the machine and fixed to the machine side, and the diaphragm plates 9 and 17 are installed on the left and right sides of the driven body 10 to form a flow passage 22 for air to be exposed to the air flow 23. . In such a structure, when energizing the excitation coil 7, the magnetic particles 15 are magnetized, and the magnetized magnetic particles 15 couple the driving body 3 and the driven member 10, and the coupling is performed. The force rotates the driven member 10 when the driving body 3 received the driving force through the shaft 4 rotates, and the strength of the rotating force is determined by the strength of the current flowing through the excitation coil 7. Is determined. When the driving body 3 rotates, the blower plate 16 generates a flow of air 23, and the air flows along the air passage 22 formed by the diaphragm plates 9 and 17. Directly flowing inside, the large and small cooling projections 18, 19 and 25 formed on the diaphragm 18 and 19 are exposed to the flowing air to enlarge the area in contact with the air. It is characterized by increasing the effect of cooling the body (10).

본 발명은 자성입자식 전자연결장치의 냉각장치에 있어서 구동체(10)의 좌우양측에 격막판(9)(17)을 설치하고 이 격막판상 다수의 크고작은 냉각용돌출부(18)(19)(25)을 형성시켜 구동체(3)가 회전할 때 송풍판(6)에 의해서 공기의흐름(23)을 발생시켜 피구동체(10)의 내부를 냉각시킬수 있도록 하여 냉각효과를 높이는데 그 목적이 있다.The present invention provides a plurality of large and small cooling projections (18, 19) on the diaphragm in which the diaphragm plates (9) and (17) are provided on the right and left sides of the driving body (10) in the cooling device of the magnetic particle electronic connecting device. When the driving body 3 is rotated to form 25, the blower plate 6 generates a flow of air 23 so that the inside of the driven body 10 can be cooled to increase the cooling effect. There is this.

구동체(3)의 회전에 의해서 송풍판(16)(21)이 회전하여 공기의 흐름을 발생시킨 자성입자식 전자연결장치의 냉각장치에 있어서 종래의 냉각장치에서는, 지지판(8)(12)의 외면 일부만을 공기의흐름(23)(24)에 노출시켜 냉각효과가 작은 결함이 있었다.In the conventional cooling apparatus of the magnetic particle type electronic connecting apparatus in which the blower plates 16 and 21 are rotated by the rotation of the driving body 3 to generate a flow of air, the support plates 8 and 12 are provided. Only a part of the outer surface of the film was exposed to the air flows 23 and 24, so that the cooling effect was small.

본 발명은 상기와 같은 문제점을 해소하기 위하여 피구동체(10)의 좌우양측에 격막판(9)(17)을 설치하여 공기의통로(22)를 형성시키고, 이 격막판상에 다수의 크고작은 냉각용돌출부(18)(19)(25)을 형성시켜 송풍판(16)에 의하여 생긴 공기의흐름(23)이 냉각용돌출부(18)(19)(25)에 접촉되면서 피구동체(10)의 내부를 흘러가게되어 냉각효과를 높이는데 특징이 있다.In order to solve the above problems, the present invention installs a diaphragm plate (9) 17 on the left and right sides of the driven body (10) to form an air passage (22), and a plurality of large and small cooling on the diaphragm plate. The flow of air 23 generated by the blower plate 16 by forming the molten protrusions 18, 19, 25 is in contact with the cooling protrusions 18, 19, 25, and thus, of the driven body 10. As it flows inside, it is characteristic to increase cooling effect.

도 1 은 자성입자식 전자연결장치의 냉각장치를 도시하는 단면도1 is a cross-sectional view showing a cooling device of a magnetic particle electronic connecting device.

도 2 은 도1의 격막판(9)의 측면입체 단면도FIG. 2 is a side cross-sectional view of the diaphragm 9 of FIG.

도 3 은 도1의 격막판(17)의 측면입체 단면도3 is a side cross-sectional view of the diaphragm 17 of FIG.

도 4 은 종래의 자성입자식 전자연결장치의 냉각장치를 도시하는 단면도4 is a cross-sectional view showing a cooling apparatus of a conventional magnetic particle electronic connecting device.

(도면의 주요부분에 대한 부호의 설명 )(Explanation of symbols for main parts of drawing)

1 : 전자석부 2, 6 : 브라켓 3 : 구동체DESCRIPTION OF SYMBOLS 1 Electromagnet part 2 and 6 Bracket 3 Drive body

4, 20 : 축 5 : 판 7 : 여자코일4, 20: shaft 5: plate 7: female coil

8, 12 : 지지판 9, 17 : 격막판 10 : 피구동체8, 12: support plate 9, 17: diaphragm 10: driven body

11 : 씰 13 : 베아링 14 : 전선11 seal 13 bearing 14 electric wire

15 : 자성입자 16, 26 : 송풍판 22 : 공기통로15: magnetic particles 16, 26: blower plate 22: air passage

18, 19, 25 : 냉각용돌출부 23, 24 : 공기흐름방향18, 19, 25: cooling projections 23, 24: air flow direction

이하 첨부된 도면에 의해 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings as follows.

환형의 구동체(3)는 지지판(8),(12)에 고착 유지되어 축(4)과 일체로 연결되고, 이 구동체(3)의 내원주에 미소공간을 두고 피구동체(10)의 외원주가 대향배치되고, 이 피구동체(10)는 축(20)과 일체로 고착연결되며, 상기 미소공간에는 자성입자 (15)가 충진되며, 여자코일(7)을 구비한 전자석부(1)는 부라켓(6)(6)과 고착연결되어 기계의 프레임에 고정되고, 이것은 베어링(13)을 거처 축(4)(20)에 지지되어 있으며, 피구동체(10)의 원주방향으로 좌우양측에 격막판(9)(17)을 설치하여 공기통로(22)를 형성시키고, 이 격막판(9)(17)상에 다수의 크고작은 냉각용돌출부(18)(19)(25)를 형성시킨 구조로 되어있다.The annular drive member 3 is fixedly held to the support plates 8, 12 and integrally connected to the shaft 4, and has a microspace on the inner circumference of the drive body 3. The outer circumference is disposed facing, the driven body 10 is fixedly connected to the shaft 20, the magnetic space is filled with the magnetic particles (15), the electromagnet portion (1) having a female coil (7) Is fixed to the frame of the machine by being fixedly connected to the rackets (6) and (6), which are supported by the shafts (4) and (20) via the bearings (13), and the left and right in the circumferential direction of the driven body (10). Diaphragm plates 9 and 17 are provided on both sides to form an air passage 22, and a plurality of large and small cooling projections 18, 19 and 25 are formed on the diaphragm plates 9 and 17. It is a formed structure.

도1의 (5)는 자성입자(15)를 구동체(3)의 내원주면과 피구동체(12)의 외원주면에서 가까운 곳에 남아 있도록 하기위해 설치된 판 이고, 도1의 (11)은 자성입자(15)가 작동공간에서 외부로 빠져 나가는 것을 방지하기 위하여 설치한 씰이고, 도1의 (14)는 여자코일(7)로 들어가는 인입전선이다.FIG. 1 (5) is a plate provided to keep the magnetic particles 15 close to the inner circumferential surface of the driving body 3 and the outer circumferential surface of the driven body 12, and FIG. (15) is a seal installed to prevent the escape from the working space to the outside, Figure 14 (14) is a lead wire to enter the excitation coil (7).

이와같은 구조에 있어서, 기관이 시동되고 기계의 구동부가 회전을 하면, 이것과 연결된 구동체(3)가 회전을 하고, 여자코일(7)의 통전으로 인하여 자화된 자성입자(15)를 매체로하여 피구동체(10)가 회전을 하게되고, 이 회전은 다시 기계의 작동부로 전달되어진다. 이때 여자코일(7)에 흐르는 전류의 세기는 구동체(3)와 피구동체(10)의 연결력을 제어함과 동시에 기계작동부의 회전력을 제어하게되며, 이와같은 회전력의 전달과정에서 구동체(3)와 자성입자(15)와 피구동체(10)와의 사이에 마찰에 의한 열이 발생하게된다. 구동체(3)와 일체로 연결된 송풍판(16)의 회전에 의해서 공기의흐름(23)을 발생시키고, 피구동체(10)의 좌우양측에 설치된 격막판(9)(17)으로 피구동체의 내부로 직접적으로 흐르는 공기통로(22)를 만들고, 상기 격막판(9)(17)상에 다수의 크고작은 냉각용돌출부(18)(19)(25)를 형성시켜 공기흐름(23)에 노출시킴으로서 피구동체(10)의 흐르는 공기와의 접촉면을 넓혀 냉각효과를 높이는 것이다.In such a structure, when an engine is started and the drive part of a machine rotates, the drive body 3 connected to it rotates, and the magnetic particle 15 magnetized by the energization of the excitation coil 7 will be used as a medium. The driven body 10 is rotated, and this rotation is transmitted back to the operating part of the machine. At this time, the intensity of the current flowing through the excitation coil 7 controls the connecting force between the driving body 3 and the driven body 10 and at the same time controls the rotational force of the mechanical operating part. 3) heat generated by friction between the magnetic particles 15 and the driven member 10. The air flow 23 is generated by the rotation of the blower plate 16 integrally connected to the driving body 3, and the diaphragm plates 9 and 17 provided on the left and right sides of the driven body 10 An air passage 22 directly flowing therein is formed, and a plurality of large and small cooling protrusions 18, 19, 25 are formed on the diaphragm 9, 17, and are exposed to the air flow 23. By extending the contact surface of the driven body 10 with the flowing air to increase the cooling effect.

이상에서 상술한 바와같이 본 발명은, 구동체(3)와 일체로 연결된 송풍판(16)의 회전에 의해서 공기의흐름(23)을 발생시키고, 피구동체(10)의 좌우양측에 설치된 격막판(9)(17)상에 형성된 다수의 크고작은 냉각용돌출부(18)(19)(25)를 형성시킴으로서, 공기가 피구동체의 내부를 직접 통과하게하고, 이 통과되는 공기에 접촉되는 면적을 넓혀 피구동체(10)의 냉각효과를 높이는 것이다.As described above, the present invention generates the air flow 23 by the rotation of the blower plate 16 integrally connected with the drive body 3, and the diaphragm plate is provided on the left and right sides of the driven body 10. (9) (17) by forming a number of large and small cooling projections (18) (19) (25) on the air, allowing the air to pass directly through the interior of the driven body, and the area in contact with the air passing therethrough. By widening it is to increase the cooling effect of the driven body (10).

Claims (2)

여자코일(7)을 구비한 전자석부(1)가 부라켓(2)(6)과 일체로 고착 연결되어, 베어링(13)을 거처 축(4)(20)에 지지되어 기계측과 연결되고, 구동 체(3)는 축(4)과 고착연결되어 기계측의 구동부와 연결되고,피구동체(10)는 축(20)과 고착연결되어 기계측의 작동부와 연결된 구조를 갖는 자성입자식 전자 연결장치에 있어서 상기 피구동체(10)의 원주상의 좌우양측에 공기흐름(23)의 통로를 형성시키는 격막판(9)(17)을 설치하는 것을 특징으로 하는 자성입자식 전자연결장치의 냉각장치.The electromagnet portion 1 with the excitation coil 7 is fixedly connected to the sub-rackets 2 and 6, and is supported on the shaft 4 and 20 via the bearing 13 to be connected to the machine side. , The driving body 3 is fixedly connected to the shaft 4 and connected to the driving unit of the machine side, the driven body 10 is a magnetic particle type having a structure fixedly connected to the shaft 20 and connected to the operating unit of the machine side In the electronic connecting device, the diaphragm plates 9 and 17 are formed on the left and right sides of the driven body 10 to form passages of the air flow 23. Chiller. 제 1 항에 있어서 공기흐름(23)에 노출되는 면적을 넓히기 위하여 격막판(9)(17)상에 다수의 크고작은 냉각용돌출부(18)(19)(25)를 형성시킨것응 특징으로 하는 자성입자식 전자연결장치의 냉각장치.The method according to claim 1, wherein a plurality of large and small cooling projections (18, 19, 25) are formed on the diaphragm (9) (17) to widen the area exposed to the air flow (23). Cooling device for magnetic particle electronic coupling device.
KR1019990045169A 1999-10-18 1999-10-18 Cooling device of magnetic particle type electronic connecting device KR20010037580A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257156U (en) * 1976-06-23 1977-04-25
JPS59112037U (en) * 1983-01-19 1984-07-28 トヨタ自動車株式会社 Magnetic powder electromagnetic clutch
JPH08105460A (en) * 1994-10-04 1996-04-23 Mitsubishi Electric Corp Cooling mechanism for electromagnetic coupling device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257156U (en) * 1976-06-23 1977-04-25
JPS59112037U (en) * 1983-01-19 1984-07-28 トヨタ自動車株式会社 Magnetic powder electromagnetic clutch
JPH08105460A (en) * 1994-10-04 1996-04-23 Mitsubishi Electric Corp Cooling mechanism for electromagnetic coupling device

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