WO2020199946A1 - Dispositif de refroidissement d'élément chauffant utilisé pour soutenir ou entraîner un élément tournant - Google Patents

Dispositif de refroidissement d'élément chauffant utilisé pour soutenir ou entraîner un élément tournant Download PDF

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Publication number
WO2020199946A1
WO2020199946A1 PCT/CN2020/080551 CN2020080551W WO2020199946A1 WO 2020199946 A1 WO2020199946 A1 WO 2020199946A1 CN 2020080551 W CN2020080551 W CN 2020080551W WO 2020199946 A1 WO2020199946 A1 WO 2020199946A1
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WO
WIPO (PCT)
Prior art keywords
heat sink
cavity
static
movable
cooling device
Prior art date
Application number
PCT/CN2020/080551
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English (en)
Chinese (zh)
Inventor
陈少楠
罗琳
唐志勇
崔玉会
Original Assignee
上海矶怃科技有限公司
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Filing date
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Application filed by 上海矶怃科技有限公司 filed Critical 上海矶怃科技有限公司
Publication of WO2020199946A1 publication Critical patent/WO2020199946A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/04—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using gyroscopes directly
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C37/00—Cooling of bearings
    • F16C37/007—Cooling of bearings of rolling bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Definitions

  • the present invention relates to a cooling device for heat-generating parts, which are heat-generating parts (such as bearings, motors) used to support or drive rotating parts, or other heat-generating parts that support or drive rotating parts (or referred to as rotating machinery).
  • the rotating part or rotating machine is a high-speed part, such as a flywheel sealed in a partial vacuum.
  • the gyro anti-rolling device used to reduce ship shaking mainly relies on the inertia of the internal high-speed rotating flywheel to output a moment opposite to the ship's shaking direction to stabilize the ship.
  • bearing support and motor drive are necessary.
  • both the bearing and the motor generate a lot of heat.
  • the present invention provides a cooling device, which is used to cool the heat generating parts that support or drive the rotating parts.
  • the cooling effect is good, and the above-mentioned defects in the prior art can be solved. It is also suitable for other products to support or drive the heat generating parts of the rotating parts. cool down.
  • the invention also provides a ship gyro anti-rolling device provided with the cooling device.
  • a cooling device is used for cooling heat generating components supporting or driving a rotating part.
  • the cooling device mainly includes a movable heat sink and a static heat sink, and the static heat sink is provided with a cooling component;
  • the movable heat sink is made of a material with good thermal conductivity, and the movable heat sink rotates at a high speed along with the rotating part;
  • the movable heat sink has an inner cavity and an outer wall.
  • the outer wall is provided with a plurality of through holes arranged along the radial direction of the movable heat sink or at a certain angle to the radial direction.
  • the through holes communicate with each other.
  • the static heat sink is fixedly arranged on the housing and does not rotate with the rotating member.
  • the static heat sink surrounds the movable heat sink and has a sealed inner cavity after installation.
  • the movable heat sink is arranged on the In the inner cavity of the static heat sink;
  • the inner cavity of the static heat sink includes a first cavity, a second cavity, and a convex wall between the first cavity and the second cavity, and the convex wall is provided with a communicating first cavity Body and a plurality of vertical holes of the second cavity; wherein the second cavity is in communication with the outer outlet of the through-hole channel of the movable heat sink, and the first cavity is connected to the movable heat sink Above the inner cavity;
  • a closed gas circulation channel is formed between the movable heat sink and the static heat sink.
  • the through-hole channels on the movable heat sink are long and narrow, and are densely distributed on the outer wall of the movable heat sink.
  • a plurality of pressurized guide vanes are further provided in the inner cavity of the movable heat sink.
  • the blades are arranged in the inner cavity of the movable heat sink in an arrangement similar to fan blades.
  • the holes of the static heat sink are elongated and densely distributed on the convex wall of the static heat sink.
  • the axis of the movable fin is fixed on the rotating member and rotates coaxially with the motor rotor.
  • the first cavity of the static heat sink is located above the inner cavity of the static heat sink, and the second cavity of the static heat sink is located on the static heat sink. Below the inner cavity of the sheet.
  • the inner surface of the first cavity of the static heat sink is further provided with a long and narrow channel, and the narrow and long channel is respectively connected with the through hole channel of the movable heat sink and the static heat sink.
  • the first cavity of the sheet is connected.
  • it further includes a gas guide, which is horizontally arranged between the movable heat sink and the static heat sink, and provides the first heat sink from the static heat sink.
  • a gas guide which is horizontally arranged between the movable heat sink and the static heat sink, and provides the first heat sink from the static heat sink.
  • a gas flow channel from the cavity to the inner cavity of the movable heat sink.
  • the gas deflector is a gas deflector, and the upper surface of the gas deflector is provided with a plurality of elongated gas channels along the radial direction.
  • the cooling component provided outside the static heat sink is: an end cover is provided outside the static heat sink, the outside of the static heat sink is sealed by the end cover, and the end cover is The static cooling fins are in contact; the end cover is provided with cooling facilities.
  • the cooling facility on the end cover is arranged such that the end cover is filled with cooling water.
  • the movable heat sink is disc-shaped, the outer contour of the static heat sink is circular, and the outer shape of the gas guide is circular.
  • the present invention also provides a ship gyro anti-rolling device, which is provided with any of the above-mentioned cooling devices.
  • the cooling device may be arranged at one or both ends of the flywheel rotating shaft, and/or arranged in the middle of the flywheel rotating shaft.
  • the heat of the motor rotor and the inner ring of the bearing is transferred to the moving heat sink through heat conduction, the moving heat sink conducts heat to the static heat sink through gas circulation through thermal convection, and the static heat sink conducts heat to the outside through external cooling , To achieve the internal heat balance of the equipment;
  • the cooling device of the present invention realizes the cooling of high-speed rotating heat generating parts by means of thermal convection, and can efficiently cool the heat generating parts supporting or driving the rotating parts in a vacuum low pressure environment or a low-density gas environment.
  • FIG. 1 is a cross-sectional view of a gyro anti-rolling device provided with a cooling device according to an embodiment of the present invention
  • Figure 2 is a partial enlarged view of the circled part in Figure 1, which shows the cooling device;
  • Figure 3 is a perspective view of the cooling device and adjacent parts of the embodiment of the present invention.
  • Figure 4 is a perspective view of a cooling device and adjacent parts of an embodiment of the present invention.
  • Figure 5 is a perspective view of a movable heat sink according to an embodiment of the present invention.
  • Fig. 6 is a front view of a movable heat sink of another structure according to an embodiment of the present invention.
  • Figure 7 is a perspective sectional view of a static heat sink
  • the invention provides a device and method for cooling high-speed rotating heating components by means of gas thermal convection, and efficiently cooling rotating heating components in a vacuum low pressure environment or a low-density gas environment.
  • Figure 1 shows a ship's gyro anti-rolling device, in which a steel flywheel 10 is driven by a high-speed motor 11 to rotate at a high speed in a housing 12.
  • the housing 12 as a closed space can be evacuated to form a low-pressure environment.
  • Other gases with a density lower than air can be filled to reduce the wind resistance of the flywheel 10 during high-speed rotation.
  • the bearings 13 and 14 are used to support the high-speed operation of the flywheel 10.
  • the heat of the bearing outer ring 15 (please refer to Figure 2) and the motor stator 112 can be The heat is conducted to the housing 12 and dissipated, but the heat of the bearing inner ring 16 (please refer to FIG. 2 in combination) and the motor rotor 111 is in the closed cavity of the housing 12, so a special heat dissipation path is required. Therefore, in this embodiment, cooling devices are respectively provided at the upper and lower ends of the gyro anti-rolling device, as shown in the circled part in Figure 1 for details.
  • FIG. 2 shows the cooling device shown in the upper circle in FIG. 1.
  • the cooling device mainly includes a movable fin 18 and a static fin 19.
  • the static fin 19 is provided with cooling components.
  • the movable heat sink 18 is made of a material with good thermal conductivity; please refer to Fig. 5 and Fig. 1 in combination, the axis of the movable heat sink 18 is fixed at one end of the flywheel 10 and rotates at a high speed along with the motor rotor 111;
  • the movable heat sink 18 is disc-shaped and has an inner cavity 180 and an outer wall 181.
  • the outer wall 181 is provided with a plurality of through holes 18A arranged along the radial direction of the movable heat sink 18, and these through holes 18A connects the inner cavity 180 with the outside of the outer wall 181 of the movable heat sink.
  • these through-hole channels 18A are elongated and densely distributed on the outer wall 181; the narrow and long channels of the through-hole channels 18A can provide more The heat exchange effect is good, and the dense distribution of the through-hole channels 18A increases the heat exchange area.
  • a plurality of blades 182 are further provided in the inner cavity 180.
  • the blades 182 are arranged in the inner cavity 180 of the movable heat sink 18 in an arrangement similar to fan blades.
  • the static heat sink 19 is fixedly arranged on the housing 12, and the static heat sink 19 surrounds the movable heat sink 18; the static heat sink 19 has a sealed cavity after installation, and the movable heat sink 18 is arranged on the static heat sink 19 As shown in Figure 1-Figure 4 and Figure 7, the contour of the static heat sink 19 is circular;
  • the inner cavity of the static heat sink 19 includes a first cavity 191, a second cavity 192, and a convex wall 193 located between the first cavity 191 and the second cavity 192.
  • the convex wall 193 A plurality of vertical holes 19B connecting the first cavity 191 and the second cavity 192 are provided. Specifically, the holes 19B are elongated and densely distributed on the convex wall 193; wherein, the second cavity 192 communicates with the outer outlet of the radial channel 18A of the movable heat sink 18, and the first cavity 191 communicates with the inner cavity 180 of the movable heat sink 18, and is further connected to the movable heat sink 18 and the static heat sink 19 A closed gas circulation channel is formed between.
  • the first cavity 191 is located above the inner cavity of the static heat sink 19
  • the second cavity 192 is located below the inner cavity of the static heat sink 19.
  • the side surface of the inner cavity of the first cavity 191 is also provided with a narrow channel 194, which is connected to the through hole 18A of the movable heat sink 18 and the first of the static heat sink 19 respectively.
  • the cavity 191 is connected, and is a passage for the gas ejected from the through hole channel 18A to enter the first cavity 191.
  • the structure of the movable fin 18 is to pressurize the gas in the inner cavity while rotating at a high speed with the motor rotor and spray it out along the radially dense through-hole channels 18A, and at the same time bring The heat of the moving heat sink; therefore, in addition to the two technical features of the inner cavity and the outer wall, and the outer wall is provided with multiple through holes along the radial direction or at a certain angle to the radial direction, the The contour shape, the size of the inner cavity, the thickness of the outer wall, the shape, number and specific dimensions of the through holes, whether to provide the blades and the size and shape of the blades are not particularly limited. Those skilled in the art can make appropriate settings and settings based on the above principles.
  • the static cooling fins are arranged to cool the gas ejected by the moving cooling fins in the vertical channels and return to the inner cavity of the moving cooling fins to realize gas circulation. Therefore, the static heat sink is provided with a closed cavity after installation, a vertical hole, a first cavity and a second cavity respectively connected with the through hole and the inner cavity of the movable heat sink.
  • the communication structure of the pore channel and the inner cavity is not particularly limited. Those skilled in the art can make appropriate settings and selections based on the above principles.
  • the static The contour shape of the heat sink, the specific shape and size of the inner cavity, the number/shape and size of the vertical holes, the shape/size of the first cavity and the second cavity, and the through-hole channels and the inside of the cavity and the movable heat sink
  • the deformed design of the structure in which the cavities are connected respectively belongs to the protection scope of the present invention.
  • the cooling device further includes a gas guide fin 20, please refer to Figures 1 to 4, the gas guide fin 20 is horizontally arranged between the moving heat sink 18 and the static heat sink 19, and provides a secondary heat sink The gas flow channel between the first cavity 191 of 19 and the inner cavity 180 of the movable heat sink 18.
  • the upper surface of the gas deflector 20 is provided with a plurality of elongated gas channels 201 along the radial direction.
  • the gas deflector 20 shown in the drawings of this embodiment is in the shape of a disc, and the gas channels provided thereon are elongated, but the gas deflector is used as a gas deflector, and its shape is not limited to a slice.
  • the gas channel is not limited to the elongated shape, and the size of the gas channel is not limited to the size shown in the drawings.
  • Those skilled in the art can make appropriate settings and selections based on the above principles. Therefore, based on the above gas guiding principles and the enlightenment of Figures 1 to 4, the shape and size of the gas guiding component, the shape/size and the gas channel The deformation design made by the quantity etc. all belong to the protection scope of the present invention.
  • an end cover 30 is provided outside the static heat sink 19, and the outside of the static heat sink 19 is sealed by an end cover 30, the end cover 30 is in contact with the static heat sink 19, and the end cover 30 is provided There are cooling facilities. Specifically, the end cover 30 can be filled with cooling water.
  • the cooling part can also have many other alternatives.
  • Those skilled in the art can carry out deformation design and selection based on the basis of the prior art and the above-mentioned setting principles. The deformed design and selection all belong to the protection scope of the present invention.
  • the heat generated by the bearing inner ring 16 is first transferred to the moving heat sink 18 that is in direct contact with the bearing inner ring 16, the heat generated by the motor rotor 111 is first transferred to the flywheel, and the flywheel then conducts the heat to the moving heat sink directly in contact with the flywheel ,
  • the movable fin 18 rotates at a high speed along with the motor rotor 111, pressurizes a small amount of gas in the inner cavity 180 and jets it out along the radial direction at high speed and enters the radial through hole 18A of the movable fin 18, and is arranged
  • the radial blades 181 in the inner cavity 180 pressurize and guide the gas, and the long and narrow radial through-hole channels 18A allow the gas flowing inside to fully exchange heat with the movable fins 18, It has a cooling effect on the moving fin 18, and the flow of the above gas takes away the heat on the moving fin 18; the gas flowing out of the moving fin 18 at a high speed under pressure then enters the second through the
  • the static heat sink 19 Since the static heat sink 19 is in contact with the end cover 30, and the end cover 30 is filled with cooling water, the static heat sink 19 is cold and high-speed The gas is cooled by heat exchange in the channel 19B, and the cooled gas reaches the first cavity 191, and then flows back into the inner cavity 180 of the movable fin 18 through the elongated gas channel 201 on the gas deflector 20, Then, the cooled gas is pressurized by the radiating fin 18 and sprayed out to continuously take away the heat of the radiating fin 18, and so on.
  • the cooling device of this embodiment realizes that the high-speed gas first takes away the heat of the moving heat sink 18 in the through-hole channels 18A of the movable heat sink 18, and then fully fills the holes 19B of the static heat sink 19 After cooling, the cooled gas returns to the top of the movable fin 18 to continue to take away the heat of the movable fin 18, and circulates in this way.
  • the high-speed circulation of the gas realizes the cooling of the bearing inner ring and the motor rotor.
  • the movable heat sink 18 includes a plurality of radial blades 181 and dense radial holes 18A, so that the radial blades 181 can drive gas into the radial holes 18A at high speed under high-speed rotation, and then pass the heat The convection takes away the heat of the moving heat sink 18.
  • this embodiment also provides another implementation of the movable heat sink:
  • the design of the movable heat sink can also adopt the method shown in Fig. 6, by reducing the number of blades 182' and increasing the area of each blade 182', thereby improving the heat dissipation capacity of the movable heat sink.
  • the total surface area of the movable heat sink is set to 0.43m 2
  • the total surface area of the static heat sink is 0.47m 2 , according to the heat convection calculation formula
  • a heat dissipation surface area, the unit is (m 2 );
  • the linear velocity of the gas flow will reach above 60m/s, which means that the medium-speed gas will convection heat through the tiny pores, and the heat transfer coefficient is between 100 and 200.
  • the air forced convection heat transfer coefficient is 100W/(m 2 °C) and the temperature difference between the dynamic and static heat sinks is 15°C
  • the temperature difference between the dynamic and static heat sink and the circulating gas can be calculated based on the heat balance to be 10°C, and the corresponding heat dissipation efficiency is 470W
  • the temperature difference between the moving and static cooling fins is increased to 30°C, the corresponding heat dissipation efficiency will reach 940W.
  • the invention also provides a ship gyro anti-rolling device, which is provided with the cooling device of the invention.
  • the cooling device can be specifically arranged at one or both ends of the flywheel of the gyro anti-rolling device, or in the middle of the flywheel coaxial with the motor. When arranged in the middle, under the cooling principle of the present invention, it is also required Some adaptive improvements are made to the movable heat sink, the static heat sink and the matching parts, and the present invention will not be detailed here.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne un dispositif de refroidissement et un dispositif antiroulis de gyroscope de navire doté du dispositif de refroidissement, le dispositif de refroidissement comprenant une ailette de refroidissement mobile (18), une ailette de refroidissement fixe (19) et un élément de refroidissement à l'extérieur de l'ailette de refroidissement fixe (19). L'ailette de refroidissement mobile (18) est munie d'une cavité interne (180) et d'une paroi externe (181), l'ailette de refroidissement fixe (19) est munie d'une cavité interne fermée après installation, l'ailette de refroidissement mobile (18) est agencée dans la cavité interne de l'ailette de refroidissement fixe (19), et un canal de circulation de gaz fermé est formé entre l'ailette de refroidissement mobile (18) et l'ailette de refroidissement fixe (19), ce qui permet de refroidir efficacement l'élément chauffant tournant à grande vitesse par convection thermique dans un environnement à basse pression sous vide ou dans un environnement de gaz à faible densité.
PCT/CN2020/080551 2019-04-03 2020-03-23 Dispositif de refroidissement d'élément chauffant utilisé pour soutenir ou entraîner un élément tournant WO2020199946A1 (fr)

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CN201910266488.5 2019-04-03
CN201910266488.5A CN110131319B (zh) 2019-04-03 2019-04-03 冷却用于支撑或驱动旋转件的发热部件的装置

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EP3985273A1 (fr) * 2020-10-19 2022-04-20 Ultraflex Spa Stabilisateur anti roulis pour bateaux

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EP3784561A4 (fr) 2018-05-31 2021-07-21 Wave Tamer LLC Stabilisateur de roulis de bateau gyroscopique
CN110131319B (zh) * 2019-04-03 2020-09-25 上海矶怃科技有限公司 冷却用于支撑或驱动旋转件的发热部件的装置
AU2021231492C1 (en) * 2020-03-02 2024-06-20 Wavetamer Llc Gyroscopic boat roll stabilizer with bearing cooling
EP4204295A4 (fr) * 2020-08-26 2024-04-10 Wavetamer LLC Stabilisateur de roulis gyroscopique de bateau avec refroidissement de moteur
US11807344B2 (en) 2020-09-30 2023-11-07 Wavetamer Llc Gyroscopic roll stabilizer with flywheel cavity seal arrangement
US11780542B2 (en) 2020-09-30 2023-10-10 Wavetamer Llc Gyroscopic roll stabilizer with flywheel shaft through passage
CN112080305B (zh) * 2020-10-08 2021-06-15 杨松 废旧轮胎热解反应炉专用回转耙辊的制备方法
CN112080307B (zh) * 2020-10-08 2021-06-22 威海劲变信息科技有限公司 废旧轮胎热解反应炉专用回转耙辊

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US4222705A (en) * 1979-03-19 1980-09-16 Teledyne Industries, Inc. Bearing mounting with cooling means
CN101443987A (zh) * 2006-01-12 2009-05-27 西基普股份有限公司 冷却轴承、电机及其他回转的发热部件
JP2010043590A (ja) * 2008-08-11 2010-02-25 Mitsubishi Heavy Ind Ltd 蒸気タービン用蒸気弁
CN103516071A (zh) * 2012-06-22 2014-01-15 通用汽车环球科技运作有限责任公司 具有周向的转子和壳体散热片的电机
CN105782414A (zh) * 2016-04-10 2016-07-20 苏州恒扬精密机械有限公司 一种综合自冷式轴封系统
FR3052934A1 (fr) * 2016-06-15 2017-12-22 Valeo Equip Electr Moteur Machine electrique tournante munie d'un palier en deux parties
CN110131319A (zh) * 2019-04-03 2019-08-16 上海矶怃科技有限公司 冷却用于支撑或驱动旋转件的发热部件的装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3985273A1 (fr) * 2020-10-19 2022-04-20 Ultraflex Spa Stabilisateur anti roulis pour bateaux
US11794863B2 (en) 2020-10-19 2023-10-24 Ultraflex S.P.A. Anti-roll stabilizer device for boats

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CN110131319B (zh) 2020-09-25

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