WO2015003448A1 - Dispositif de chauffage turbulent à aimant permanent - Google Patents

Dispositif de chauffage turbulent à aimant permanent Download PDF

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Publication number
WO2015003448A1
WO2015003448A1 PCT/CN2013/087648 CN2013087648W WO2015003448A1 WO 2015003448 A1 WO2015003448 A1 WO 2015003448A1 CN 2013087648 W CN2013087648 W CN 2013087648W WO 2015003448 A1 WO2015003448 A1 WO 2015003448A1
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WO
WIPO (PCT)
Prior art keywords
permanent magnet
heating element
heating device
magnets
mount
Prior art date
Application number
PCT/CN2013/087648
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English (en)
Chinese (zh)
Inventor
陈立人
Original Assignee
浙江芯特科技有限公司
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.)
Filing date
Publication date
Application filed by 浙江芯特科技有限公司 filed Critical 浙江芯特科技有限公司
Publication of WO2015003448A1 publication Critical patent/WO2015003448A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/109—Induction heating apparatus, other than furnaces, for specific applications using a susceptor using magnets rotating with respect to a susceptor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid

Definitions

  • the invention relates to the field of electromagnetic applications, and in particular to a permanent magnet eddy current heating device.
  • the induction cooker adopts the principle of magnetic field induced eddy current heating, which uses alternating current to generate an alternating magnetic field through the coil.
  • magnetic field induced eddy current heating uses alternating current to generate an alternating magnetic field through the coil.
  • the magnetic field induced eddy current effect has many advantages: non-contact heating, heat source and heated objects can not be in direct contact; high heating efficiency, high speed, can reduce surface oxidation phenomenon; easy to control temperature; local heating can be realized; automation can be realized Control; reduce floor space, heat radiation, noise and dust.
  • the invention patent application No. 200910130416.4 discloses a permanent magnet type eddy current heating device.
  • the rotor shaft is fixedly connected with the permanent magnet rotor, and is connected with an external wall thickness magnetic conductive stator through a bearing, and the magnetic conductive stator is a magnetic conductive steel.
  • the permanent magnet rotor is a ferrite magnetic material or an alloy magnetic material; according to different power requirements, the height and inner and outer diameter of the magnetic conductive stator and the permanent magnet rotor are adjustable.
  • the device can directly pass the dynamic action of wind energy, so that the magnetic field of the permanent magnet exhibits a periodic high-frequency "on-off” phenomenon, and an electromagnetic induction eddy current is generated in the metal heating body to achieve the purpose of high efficiency and heat.
  • the higher the frequency of the magnetic field transformation the larger the eddy current and the greater the heat generated.
  • the permanent magnets cannot be reasonably distributed, resulting in a low frequency of magnetic field transformation, so that the energy utilization rate cannot be further improved.
  • the technical problem to be solved by the present invention is to provide a permanent magnet eddy current heating device with less energy consumption, high energy utilization rate, simple structure and simple installation.
  • a permanent magnet eddy current heating device of the present invention includes a permanent magnet array composed of a plurality of permanent magnets, a heating element, a driving mechanism for driving the permanent magnet array and the heating element to rotate relative to each other, and A mount for mounting a permanent magnet array; the plurality of permanent magnets are evenly distributed in a star shape in a circumferential direction of the mount.
  • the permanent magnets are strip magnets, and the inner magnetic lines of each strip magnet are directed to the inner magnetic lines of the adjacent strip magnets, and are alternately arranged radially inward and outward along the mounting seat.
  • the mounting seat is evenly disposed with a plurality of outwardly extending mounting arms, and the plurality of strip magnets are respectively fixed to the end of the mounting arm.
  • the heating element is an annular pipe that is wound around the outer circumference of the permanent magnet array in the circumferential direction and that can circulate the medium inside.
  • the driving mechanism is connected to the heating element for driving the heating element to rotate;
  • the heating element includes a plurality of blades, and the blade can cause air to flow around the heating element as the heating element rotates.
  • the drive mechanism is coupled to the mount for driving a permanent magnet array rotation on the mount;
  • the mount includes a plurality of blades, and the blades can cause air around the mount as the mount rotates flow.
  • the openings of the U-shaped magnets in the array of permanent magnets are directed all inward or outward along the radial direction of the mount.
  • the permanent magnets are U-shaped magnets, and each of the U-shaped magnets has N and S poles, and the adjacent U-shaped magnets N and S are alternately arranged up and down.
  • the heating element is located between the N and S poles of the U-shaped magnet.
  • the heating element is an annular pipe of an internal flowable medium.
  • the driving mechanism is connected to the heating element for driving the heating element to rotate;
  • the heating element comprises three layers of plates respectively disposed laterally above and below the U-shaped magnet and between the N and S poles, and a plurality of connecting the three
  • the sheet material, the fan blades disposed in the longitudinal direction, and the fan blades can cause air flow around the heat generating body as the heating body rotates.
  • the drive mechanism includes a motor and a transmission coupled to a power takeoff of the motor.
  • the permanent magnet type vortex heating device of the invention adopts a structure in which a permanent magnet array is fixed by a mounting arm axially arranged in a mounting seat, and a star-shaped radial permanent magnet array structure is adopted, and a heat conducting medium can be connected in the heating body pipeline. Therefore, the heat generated by the heating device is smoothly led out; the internal magnetic lines of the adjacent permanent magnets are directed to be alternately arranged radially inward and outward along the mounting seat, so that the mounting seat is in the rotating process, and the heating element is in the same position.
  • the frequency of the cutting magnetic line is high, so that a large heat energy can be generated; the driving motor is connected to the mounting seat through the transmission, and the rotation speed of the mounting seat can be controlled by adjusting the transmission to control the heating temperature; the U-shaped magnet structure and the heating element are used. Located between N and S of the U-shaped magnet to maximize the change in magnetic flux.
  • the permanent magnet type vortex heating device of the invention has the advantages of simple structure, convenient installation and disassembly, and convenient heat dissipation, and can effectively improve energy utilization.
  • Figure 1 is a plan view of a first embodiment of the present invention
  • FIG. 2 is a schematic perspective view of a first embodiment of the present invention
  • FIG. 3 is a schematic perspective structural view of a permanent magnet array according to Embodiment 2 of the present invention.
  • FIG. 4 is a schematic structural view of a heating element according to Embodiment 2 of the present invention.
  • FIG. 5 is a schematic perspective structural view of a third embodiment of the present invention.
  • Embodiment 4 of the present invention is a schematic structural view of Embodiment 4 of the present invention.
  • Figure 7 is a schematic structural view of Embodiment 5 of the present invention.
  • Figure 8 is a schematic structural view of Embodiment 6 of the present invention.
  • Embodiment 7 of the present invention is a schematic structural view of Embodiment 7 of the present invention.
  • FIG. 10 is a schematic structural view of Embodiment 8 of the present invention.
  • a permanent magnet eddy current heating device of the present invention comprises a permanent magnet array 1, a heating element 2, a mounting seat 3, a mounting arm 4, and a driving mechanism (not shown) Out).
  • the permanent magnet array 1 is composed of a plurality of strip magnets 101.
  • the permanent magnet array 1 can be rotated relative to the heating element 2 by the driving mechanism, so that the heating element 2 cuts the magnetic lines of force and generates a eddy current effect. Heat is generated.
  • the drive mechanism can also drive the heating element to rotate, and can also generate a vortex effect.
  • the mounting seat 3 is uniformly disposed with a plurality of outwardly extending mounting arms 4 in the circumferential direction. As shown in FIG. 1 , the mounting seat 3 and the plurality of mounting arms 4 are formed in a star-shaped radial shape, and the plurality of permanent magnets 101 are respectively fixedly fixed. At the end of the mounting arm 3.
  • the respective internal magnetic lines of the adjacent permanent magnets 101 are directed to be alternately arranged radially inward and outward along the mounting seat.
  • the S pole of a certain permanent magnet is directed to the axis of the mount 3
  • the other adjacent permanent magnet is directed to the axis of the mount 3.
  • the heating element is an annular pipe wound around the outer side of the permanent magnet array.
  • the star-shaped radial permanent magnet array structure is adopted, and an annular heating element pipeline is arranged around the array, and the heat-conducting medium can be connected in the pipeline, so that the heat generated by the heating device can be smoothly exported.
  • the drive mechanism includes a motor, and a power output of the motor is coupled to the mount through a transmission.
  • the drive motor is connected to the mount through the transmission, and the speed of the mount can be controlled by adjusting the transmission to control the heating temperature.
  • the permanent magnet type vortex heating device of the invention has the advantages of simple structure, convenient installation and disassembly, and convenient heat dissipation, and can effectively improve energy utilization.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the permanent magnets are U-shaped magnets 201, and the U-shaped and S-poles of each U-shaped magnet are alternately arranged up and down with the adjacent U-shaped magnets N and S.
  • N-shaped magnet has the N pole on the upper side and the S pole on the lower side
  • the N pole of the other U-shaped magnet adjacent thereto is on the lower side and the S pole is on the upper side.
  • the outer ends of the N and S poles of all U-shaped magnets are directed outward in the radial direction of the mount.
  • the heat generating body 2' is located between the N and S poles of the U-shaped magnet 201.
  • the heating element 2' directly cuts the magnetic lines of force between the N and S poles, thereby maximizing the rate of change of the magnetic flux passing through the heating element 2'.
  • the heat generating body 2' is an annular pipe having an internal flowable medium.
  • the heat transfer medium can be switched in the pipeline so that the heat generated by the heating device can be smoothly discharged.
  • the drive mechanism includes a motor, and a power output of the motor is coupled to the mount through a transmission.
  • the drive motor is connected to the mount through the transmission, and the speed of the mount can be controlled by adjusting the transmission to control the heating temperature.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • this embodiment differs from the second embodiment in that the outer ends of the N and S poles of the entire U-shaped magnet 201' are directed inward in the radial direction of the mount.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the driving mechanism is connected to the heating element for driving the heating element to rotate, and the heating element includes a plurality of blades 5a.
  • the fan blade 5a is mounted on the rotating shaft 6, and the rotating shaft 6 passes through the blade.
  • the blade 5a cuts the magnetic lines of force to generate heat, and the rotation of the blade 5a can also cause the air around the heating element to flow, thereby heating the flowing air, so that the air carries away and dissipates the heat generated by the heating element.
  • the heat generating body can also be disposed on the upper and lower sides of the permanent magnet array 1a at the same time, and the utility of fully utilizing magnetic energy has been achieved.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • the driving mechanism is connected to the mounting seat for driving the permanent magnet array rotation on the mounting seat; and the mounting base includes a plurality of blades 5b, and the permanent magnet array 1b is located at the fan.
  • the blade 5b can cause air to flow around the mount, causing the air to carry away the heat generated by the heat generating body.
  • the structure can avoid heat accumulation around the heat generating body and the permanent magnet array, and is advantageous for rapid heat dissipation.
  • the heat generating body may be located in the axial direction of the permanent magnet array 1b according to specific needs, or may be located in the radial direction of the permanent magnet array 1b.
  • the drive mechanism is connected to the heating element for driving the heating element to rotate.
  • the heat generating body includes a plurality of blades 5c and surrounds the permanent magnet array 1c.
  • the blade 5c can cause the air around the heating element to flow, thereby heating the flowing air so that the air carries away and dissipates the heat generated by the heating element.
  • the permanent magnet array 1d is composed of a U-shaped magnet, and the open end of the U-shaped magnet is directed to the outside.
  • the driving mechanism is connected to the heating element for driving the heating element to rotate;
  • the heating element comprises three layers of sheets 7 respectively disposed laterally above and below the U-shaped magnet and between the N and S poles, and a plurality of connecting bodies Three-layer board 7, vertical fan blade 5d.
  • the blade 5d can cause air to flow around the heating element, causing the air to carry away and dissipate the heat generated by the heating element.
  • the opening of the U-shaped magnet can also point to the inside depending on the needs of the structure.
  • the driving mechanism is connected to the heating element for driving the heating element to rotate, and the heating element includes two layers of the plate 8 above and below the permanent magnet array 1e, and more on the plate 8. Fan blades 5e.
  • the plate 8 cuts the magnetic lines of force to generate heat, and the rotation of the blade 5e can also cause the air around the heating element to flow, thereby heating the flowing air, so that the air carries away and dissipates the heat generated by the heating element.
  • the heat generating body may also be disposed only on one side of the permanent magnet array 1e.
  • the driving mechanism can also drive only the permanent magnet array to rotate, or simultaneously drive the permanent magnet array and the heating element to rotate in the reverse direction, thereby achieving the purpose of improving the frequency of the magnetic field of the heating element.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)

Abstract

L'invention porte sur un dispositif de chauffage turbulent à aimant permanent qui comporte un réseau d'aimants permanents (1) comprenant une pluralité d'aimants permanents, un corps chauffant (2), un mécanisme d'activation pour activer le réseau d'aimants permanents (1) et le corps chauffant (2) pour qu'ils tournent l'un par rapport à l'autre, et un siège de montage (3) pour monter le réseau d'aimants permanents (1). Les aimants permanents sont distribués uniformément sous une forme en étoile dans la direction circonférentielle du siège de montage (3). La consommation d'énergie du dispositif de chauffage turbulent à aimant permanent, qui est de structure simple et facile à monter, est faible, alors que son taux d'utilisation d'énergie est élevé.
PCT/CN2013/087648 2013-07-09 2013-11-22 Dispositif de chauffage turbulent à aimant permanent WO2015003448A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310289078.5 2013-07-09
CN201310289078.5A CN103369752B (zh) 2013-07-09 2013-07-09 一种永磁式涡流加热装置

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WO2015003448A1 true WO2015003448A1 (fr) 2015-01-15

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WO (1) WO2015003448A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103369752B (zh) * 2013-07-09 2017-04-12 浙江芯特科技有限公司 一种永磁式涡流加热装置
CN104376957A (zh) * 2014-03-28 2015-02-25 九阳股份有限公司 一种电磁加热用导磁体及其制作工艺
CN108720634A (zh) * 2017-04-14 2018-11-02 广东美控电子科技有限公司 电磁蒸烤箱
CN107514818A (zh) * 2017-09-05 2017-12-26 徐英杰 加热泵及加热系统
CN107682947A (zh) * 2017-11-02 2018-02-09 成都金川田农机制造有限公司 一种多级永磁液体加热装置
CN107941855A (zh) * 2017-11-22 2018-04-20 四川大学 一种基于永磁体旋转加热的钢管管端热成像检测装置
CN107975828A (zh) * 2017-12-28 2018-05-01 李守卫 磁电式灶具
CN108895652B (zh) * 2018-07-27 2021-03-02 安徽达信龙新材料科技有限公司 节能减排管道发热器
CN111780404B (zh) * 2020-07-02 2021-11-30 石家庄爱迪尔电气有限公司 一种智能变频节能环保采暖炉
CN114052614A (zh) * 2020-07-31 2022-02-18 宁波方太厨具有限公司 一种干燥装置及应用有该装置的清洗机

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CN1153591A (zh) * 1995-03-17 1997-07-02 恩维罗Ec公司 加热介质的加热设备
JP2005174801A (ja) * 2003-12-12 2005-06-30 Tok Engineering Kk 永久磁石式渦電流加熱装置
CN201699560U (zh) * 2010-06-13 2011-01-05 张国光 积木式风力发电机
CN202340164U (zh) * 2011-08-17 2012-07-18 柳峰 一种风扇散热分隔转子及爪子式定子抗阻力发电机
CN103369752A (zh) * 2013-07-09 2013-10-23 浙江芯特科技有限公司 一种永磁式涡流加热装置

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CN102778040A (zh) * 2011-05-12 2012-11-14 宏远创建有限公司 磁热加温装置
CN203368793U (zh) * 2013-07-09 2013-12-25 浙江芯特科技有限公司 一种永磁式涡流加热装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1153591A (zh) * 1995-03-17 1997-07-02 恩维罗Ec公司 加热介质的加热设备
JP2005174801A (ja) * 2003-12-12 2005-06-30 Tok Engineering Kk 永久磁石式渦電流加熱装置
CN201699560U (zh) * 2010-06-13 2011-01-05 张国光 积木式风力发电机
CN202340164U (zh) * 2011-08-17 2012-07-18 柳峰 一种风扇散热分隔转子及爪子式定子抗阻力发电机
CN103369752A (zh) * 2013-07-09 2013-10-23 浙江芯特科技有限公司 一种永磁式涡流加热装置

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CN103369752B (zh) 2017-04-12

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