WO2018076989A1 - Dc three-phase brushless motor for household fans - Google Patents

Dc three-phase brushless motor for household fans Download PDF

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Publication number
WO2018076989A1
WO2018076989A1 PCT/CN2017/103476 CN2017103476W WO2018076989A1 WO 2018076989 A1 WO2018076989 A1 WO 2018076989A1 CN 2017103476 W CN2017103476 W CN 2017103476W WO 2018076989 A1 WO2018076989 A1 WO 2018076989A1
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WO
WIPO (PCT)
Prior art keywords
winding
base
magnetic frame
brushless motor
phase brushless
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/103476
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French (fr)
Chinese (zh)
Inventor
向柳春
姚树容
费林波
向松礼
曾广平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Hanshuo Plastic Co Ltd
Original Assignee
Dongguan Hanshuo Plastic Co Ltd
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Filing date
Publication date
Application filed by Dongguan Hanshuo Plastic Co Ltd filed Critical Dongguan Hanshuo Plastic Co Ltd
Publication of WO2018076989A1 publication Critical patent/WO2018076989A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2788—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • 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
    • H02K1/27—Rotor cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • 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
    • 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
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • 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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

Definitions

  • the invention relates to the technical field of fan motors, and in particular to a DC three-phase brushless motor for a household fan.
  • the existing domestic fans are all used 220V AC (AC) motors, which have large power consumption, excessive power loss, and excessive noise, which cannot meet the high standard requirements of users in terms of power supply;
  • the space in which the fan is mounted is limited, and the heat dissipation effect is poor, which easily affects the service life of the motor.
  • the existing direct current (DC) motors for fans can only be used with some miniature, mini fans, which provide limited power and cannot be used for powerful domestic fans.
  • the object of the present invention is to provide a DC three-phase brushless motor capable of converting AC current into 5V DC current and supplying it to a household fan, which has low power consumption, low power loss, and heat dissipation. Good and low noise.
  • a DC three-phase brushless motor for a household fan comprising a winding group, a magnetic frame, a bearing and a PCB board, further comprising a magnet and a base
  • the magnetic frame is provided with a shaft core
  • the winding group is sleeved In the axial core
  • the magnetic frame is sleeved on the outer surface of the winding group
  • the magnet is located between the magnetic frame and the winding group
  • the winding group is connected to the PCB board
  • the base is sleeved on the shaft core
  • passing through the inner hole of the winding group one end of the base is in contact with the magnetic frame, and the other end of the base protrudes from the PCB board, and the bearing sleeve is sleeved
  • the shaft core is mounted in the base.
  • the magnetic frame is provided with a base frame, one end of the base frame is fixed to the magnetic frame, and the other end is connected to the base.
  • an elastic positioning piece is disposed between the bearing and the base.
  • the winding group includes a winding bracket, and the winding bracket is provided with at least three winding assemblies, each winding assembly includes four winding posts, and winding of each two winding bobbins a tap connection, the winding of the first bobbin of the preceding set of winding assemblies is connected to the winding tap of the third bobbin of the latter winding assembly, and the second bobbin tap of each set of winding assemblies and the PCB The plates are connected, and the fourth bobbin tap of each set of winding assemblies is a common end.
  • the winding assemblies are three groups; the magnetic frame is provided with 10 pairs of magnetic poles or 14 pairs of magnetic poles corresponding to the three sets of winding assemblies.
  • each set of winding assemblies is provided with at least one stud, the stud being fixedly connected to the PCB board.
  • the front end of the shaft core is provided with a thread.
  • the end surface of the base is provided with at least three fixing holes.
  • a fixing buckle is disposed between the end surface of the base and the shaft core.
  • the device further includes a casing and a sealing plate, the casing is wrapped on the outer surface of the magnetic frame, and the sealing plate is disposed above the PCB, and the sealing plate is provided with a through hole matching the base.
  • the DC three-phase brushless motor of the household fan of the present invention drives an external fan through the core of the magnetic frame, and the magnet cooperates with the winding group and the magnetic frame to convert the 220V AC voltage input by the PCB into a DC of 5V.
  • the voltage is supplied to the fan through the core to drive the fan to rotate.
  • the invention can convert the AC voltage of 220V into a DC voltage of 5V, and ensures that the invention can be driven by a voltage of 5V. It can reach the running speed of the AC motor and the wind pressure air volume, which not only saves energy but also satisfies the effect of heat dissipation.
  • FIG. 1 is a schematic exploded view of a DC three-phase brushless motor of a household fan hiding the outer casing and the sealing plate according to the present invention
  • FIG. 2 is a winding block diagram of a winding set of a DC three-phase brushless motor of a household fan according to the present invention
  • FIG. 3 is a schematic structural view of a DC three-phase brushless motor of a household fan according to the present invention.
  • Figures 1 to 3 include the mark:
  • a DC three-phase brushless motor for a household fan comprises a winding group, a magnetic frame 2, a bearing 3 and a PCB board 4, and further comprises a magnet 5 and a base 6, the magnetic frame 2 being arranged a shaft core 21, the winding group is sleeved on the shaft core 21, the magnetic frame 2 is sleeved on the outer surface of the winding group, and the magnet 5 is located between the magnetic frame 2 and the winding group;
  • the wire group is connected to the PCB board 4, the base 6 is sleeved on the shaft core 21 and penetrates the inner hole of the winding group, and one end of the base 6 is in contact with the magnetic frame 2, The other end of the base 6 protrudes from the PCB board 4, and the bearing 3 is sleeved on the shaft core 21 and mounted in the base 6.
  • the AC-to-DC small-structure motor drives an external fan through the core 21 of the magnetic frame 2, and the magnet 5 cooperates with the winding group and the magnetic frame 2, and is fixed by the base 6, and the PCB is fixed.
  • the input 220V AC voltage is converted into a 5V DC voltage and supplied to the fan through the core 21 to drive the fan to rotate.
  • the present invention can convert the 220V AC voltage into a 5V DC voltage, and ensures that the present invention can be driven by a 5V voltage.
  • the operating speed and the air pressure of the AC motor are up to 5W, which is 12% of the same type of household fan, and the energy consumption is reduced sharply, which not only saves electric energy but also satisfies the effect of heat dissipation; and the finished product of the invention is convenient to use.
  • Ordinary USB charging treasure can also directly supply power for it, and in the wild without power supply, you can feel the coolness of the appliance fan!
  • the magnetic frame 2 is provided with a base frame 7.
  • One end of the base frame 7 is fixed to the magnetic frame 2, and the other end thereof is connected to the base 6.
  • the pedestal 7 by providing the pedestal 7 at the inner center of the magnetic frame 2, the winding group and the susceptor 6 are further fixed by the pedestal 7, thereby enhancing the stability of the present invention and avoiding the present invention in the working process. There is sloshing and noise, which is practical.
  • An elastic positioning piece 8 is disposed between the bearing 3 and the base 6 .
  • the elastic positioning piece 8 adopts a double ball spring structure, and the elastic positioning piece 8 of the double ball spring structure plays a certain buffering effect on the bearing 3 and the base 6, thereby effectively extending the use of the present invention. Lifetime and further meet the low noise standards.
  • the winding set includes a winding support 1 provided with at least three sets of winding assemblies, each set of winding assemblies comprising four winding posts 11 and two winding posts
  • the winding taps of 11 are connected, the winding of the first bobbin 11 of the preceding winding assembly is connected to the winding tap of the third bobbin 11 of the latter winding assembly, and the second winding assembly of each group Winding column 11 taps with The PCB boards 4 are connected, and the fourth bobbin 11 of each set of winding assemblies is tapped to be a common end.
  • the preferred solution adopted by the present invention is that the winding components are three groups; the magnetic frame 2 is provided with 10 pairs of magnetic poles or 14 pairs of magnetic poles corresponding to the three sets of winding components, and the winding group of the present invention adopts 12 groups.
  • the winding bracket 1 the crucible steel sheet can enhance the torsion force and increase the running speed, and the magnetic frame 2 rotates as the outer rotor at the periphery, and the bearing core 3 is centered on the shaft core 21, thereby forming the bearing 3 in the inner hole of the winding group, thereby forming An outer rotor structure is driven by a magnetic field of N and S poles to perform driving operation.
  • the magnetic frame 2 of the present invention corresponds to 12 winding posts 11
  • Setting 10 pairs of magnetic poles or 14 pairs of magnetic poles to form the three-phase driving method of the present invention is the optimal solution for the current test; of course, the present invention does not preclude obtaining more solutions through limited trials in the future, such as magnetic Box 2 sets different logarithmic pole numbers corresponding to different numbers of bobbins 11, and the above solutions are all included in the technical solution of the present invention.
  • the winding posts 11 of the first set of winding assemblies to the third set of winding assemblies are respectively 1-12, wherein each set of winding assemblies
  • the taps of the second bobbin 11 externally connected to the PCB board 4 are A, B, and C, respectively, and the fourth bobbin 11 of each set of winding assemblies is extracted as a common end.
  • each set of winding assemblies is provided with at least one stud 12 that is fixedly coupled to the PCB board 4.
  • the studs 12 on each of the winding assemblies to be fixed to the PCB board 4, the stability between the winding assembly and the PCB board 4 can be enhanced, and the utility is strong.
  • the front end of the shaft core 21 is provided with a thread.
  • the present invention can be used to lock the blade by providing a thread on the front end of the shaft core 21, so that when the motor rotates, the impeller is rotated, and the wind is sent out.
  • the end surface of the base 6 is provided with at least three fixing holes. Further, the present invention The bottom surface of the base 6 is provided with three fixing holes, which can be applied to different fan structures for locking, so that the invention can be versatile.
  • a fixing buckle 9 is disposed between the end surface of the base 6 and the shaft core 21 .
  • the fixing buckle 9 of the present invention is interposed between the end surface of the base 6 and the shaft core 21 to prevent the base 6 from rattling with respect to the shaft core 21, and further enhances the practicability of the present invention.
  • the housing 101 and the sealing plate 102 are covered, and the outer casing 101 is covered on the outer surface of the magnetic frame 2, and the sealing plate 102 is disposed above the PCB 4.
  • the sealing plate 102 is opened and the base 6 matching through holes.
  • the present invention is also provided with a casing 101 and a sealing plate 102, which can effectively extend the service life of the present invention.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

A direct current (DC) three-phase brushless motor for household fans, comprising: a winding group, a magnetic frame (2), a bearing (3) and a printed circuit board (PCB) (4), a magnet (5) and a base (6); the magnetic frame (2) is provided with a shaft core (21), wherein the winding group is sleeved on the shaft core (21), the magnetic frame (2) is sleeved on an outer surface of the winding group, and the magnet is located between the magnetic frame (2) and the winding group, the winding group being connected to the PCB (4); the base (6) is sleeved on the shaft core (21) and penetrates an inner hole of the winding group, wherein an end of the base (6) touches the magnetic frame (2), and another end of the base (6) protrudes from the PCB (4); the bearing (3) is sleeved on the shaft core (21) and mounted inside the base (6). The DC three-phase brushless motor for a household fan may convert 220V alternating current (AC) voltage into 5V DC voltage, and ensure that, when driven by 5V voltage, the same may achieve the running speed, air pressure and air volume of an AC motor, thus saving electric energy and dissipating heat.

Description

一种家用风扇的DC三相无刷电机DC three-phase brushless motor for household fan 技术领域Technical field

本发明涉及风扇电机技术领域，尤其涉及一种家用风扇的DC三相无刷电机。The invention relates to the technical field of fan motors, and in particular to a DC three-phase brushless motor for a household fan.

背景技术Background technique

目前现有的家用风扇，都是使用的220V的交流(AC)电机，功耗大，电能损失过多，且噪音超大，在电源供给方面已经无法满足使用者的高标准要求；且目前的家用风扇的安装电机的空间有限，散热效果差，容易影响电机的使用寿命。At present, the existing domestic fans are all used 220V AC (AC) motors, which have large power consumption, excessive power loss, and excessive noise, which cannot meet the high standard requirements of users in terms of power supply; The space in which the fan is mounted is limited, and the heat dissipation effect is poor, which easily affects the service life of the motor.

而现有的用于风扇的直流(DC)电机，只能用于一些微型的、迷你的风扇，提供的动力有限，无法为功率大的家用风扇所使用。The existing direct current (DC) motors for fans can only be used with some miniature, mini fans, which provide limited power and cannot be used for powerful domestic fans.

发明内容Summary of the invention

本发明的目的在于针对现有技术的不足提供了一种能够将AC电流转换为5V的DC电流并供给给家用风扇的DC三相无刷电机，该电机的功耗低、电能损失小、散热良好且噪音小。The object of the present invention is to provide a DC three-phase brushless motor capable of converting AC current into 5V DC current and supplying it to a household fan, which has low power consumption, low power loss, and heat dissipation. Good and low noise.

为实现上述目的，本发明是通过以下技术方案实现的：To achieve the above object, the present invention is achieved by the following technical solutions:

一种家用风扇的DC三相无刷电机，包括有绕线组、磁框、轴承和PCB板，还包括有磁石和基座，所述磁框设置有轴芯，所述绕线组套设于轴芯，所述磁框套设于绕线组的外表面，所述磁石位于磁框与绕线组之间；所述绕线组与PCB板连接，所述基座套设于轴芯并穿设于绕线组的内孔，所述基座的一端与磁框接触，所述基座的另一端凸出于PCB板，所述轴承套设 于轴芯并安装于基座内。A DC three-phase brushless motor for a household fan, comprising a winding group, a magnetic frame, a bearing and a PCB board, further comprising a magnet and a base, wherein the magnetic frame is provided with a shaft core, and the winding group is sleeved In the axial core, the magnetic frame is sleeved on the outer surface of the winding group, the magnet is located between the magnetic frame and the winding group; the winding group is connected to the PCB board, and the base is sleeved on the shaft core And passing through the inner hole of the winding group, one end of the base is in contact with the magnetic frame, and the other end of the base protrudes from the PCB board, and the bearing sleeve is sleeved The shaft core is mounted in the base.

其中，所述磁框设置有基架，所述基架的一端固定于磁框，其另一端与基座连接。Wherein, the magnetic frame is provided with a base frame, one end of the base frame is fixed to the magnetic frame, and the other end is connected to the base.

其中，所述轴承与基座之间设置有弹性定位片。Wherein, an elastic positioning piece is disposed between the bearing and the base.

进一步地，所述绕线组包括有绕线支架，所述绕线支架设置有至少三组绕线组件，每组绕线组件包含有四个绕线柱，每两个绕线柱的绕线抽头连接，前一组绕线组件的第一绕线柱的绕线与后一绕线组件的第三绕线柱的绕线抽头连接，每组绕线组件的第二绕线柱抽头与PCB板连接，每组绕线组件的第四绕线柱抽头为公共端。Further, the winding group includes a winding bracket, and the winding bracket is provided with at least three winding assemblies, each winding assembly includes four winding posts, and winding of each two winding bobbins a tap connection, the winding of the first bobbin of the preceding set of winding assemblies is connected to the winding tap of the third bobbin of the latter winding assembly, and the second bobbin tap of each set of winding assemblies and the PCB The plates are connected, and the fourth bobbin tap of each set of winding assemblies is a common end.

优选的，所述绕线组件为三组；所述磁框对应三组绕线组件设置有10对磁极数或14对磁极数。Preferably, the winding assemblies are three groups; the magnetic frame is provided with 10 pairs of magnetic poles or 14 pairs of magnetic poles corresponding to the three sets of winding assemblies.

再进一步地，每组绕线组件均设置有至少一个凸柱，所述凸柱与PCB板固定连接。Still further, each set of winding assemblies is provided with at least one stud, the stud being fixedly connected to the PCB board.

其中，所述轴芯的前端设置有螺牙。Wherein, the front end of the shaft core is provided with a thread.

其中，所述基座的端面设置有至少三个固定孔。Wherein, the end surface of the base is provided with at least three fixing holes.

其中，所述基座的端面与轴芯之间设置有固定扣环。Wherein, a fixing buckle is disposed between the end surface of the base and the shaft core.

更进一步地，还包括有外壳和密封板，所述外壳包覆于磁框外表面，所述密封板盖设于PCB板上方，所述密封板开设有与基座匹配的通孔。Further, the device further includes a casing and a sealing plate, the casing is wrapped on the outer surface of the magnetic frame, and the sealing plate is disposed above the PCB, and the sealing plate is provided with a through hole matching the base.

本发明的有益效果在于：The beneficial effects of the invention are:

本发明所述的一种家用风扇的DC三相无刷电机，通过磁框的轴芯驱动外接风扇，所述磁石配合绕线组和磁框，将PCB输入的220V AC电压转换成5V的DC电压通过轴芯提供给风扇，从而驱动风扇旋转，本发明能够将220V的AC电压转换成5V的DC电压，并保证本发明在5V电压的驱动下能 够达到AC电机的运行转速及风压风量，既节约了电能，又能满足散热的效果。The DC three-phase brushless motor of the household fan of the present invention drives an external fan through the core of the magnetic frame, and the magnet cooperates with the winding group and the magnetic frame to convert the 220V AC voltage input by the PCB into a DC of 5V. The voltage is supplied to the fan through the core to drive the fan to rotate. The invention can convert the AC voltage of 220V into a DC voltage of 5V, and ensures that the invention can be driven by a voltage of 5V. It can reach the running speed of the AC motor and the wind pressure air volume, which not only saves energy but also satisfies the effect of heat dissipation.

附图说明DRAWINGS

图1为本发明一种家用风扇的DC三相无刷电机隐藏了外壳和密封板的爆炸示意图；1 is a schematic exploded view of a DC three-phase brushless motor of a household fan hiding the outer casing and the sealing plate according to the present invention;

图2为本发明一种家用风扇的DC三相无刷电机的绕线组的绕线框图；2 is a winding block diagram of a winding set of a DC three-phase brushless motor of a household fan according to the present invention;

图3为本发明一种家用风扇的DC三相无刷电机的结构示意图；3 is a schematic structural view of a DC three-phase brushless motor of a household fan according to the present invention;

图1至图3中包括有标记：Figures 1 to 3 include the mark:

1——绕线支架               11——绕线柱1——winding bracket 11——winding column

12——凸柱                  2——磁框12——Column 2——Magnetic frame

21——轴芯                  3——轴承21——Axis core 3——Bearing

4——PCB板                  5——磁石4——PCB board 5——magnet

6——基座                   7——基架6——Base 7——Base frame

8——弹性定位片             9——固定扣环8——elastic positioning piece 9——fixed buckle

101——外壳                 102——密封板。101 - Housing 102 - Sealing plate.

具体实施方式detailed description

参见图1至图3，以下结合附图对本发明进行详细的描述。Referring to Figures 1 through 3, the present invention will be described in detail below with reference to the accompanying drawings.

本发明所述的一种家用风扇的DC三相无刷电机，包括有绕线组、磁框2、轴承3和PCB板4，还包括有磁石5和基座6，所述磁框2设置有轴芯21，所述绕线组套设于轴芯21，所述磁框2套设于绕线组的外表面，所述磁石5位于磁框2与绕线组之间；所述绕线组与PCB板4连接，所述基座6套设于轴芯21并穿设于绕线组的内孔，所述基座6的一端与磁框2接触， 所述基座6的另一端凸出于PCB板4，所述轴承3套设于轴芯21并安装于基座6内。A DC three-phase brushless motor for a household fan according to the present invention comprises a winding group, a magnetic frame 2, a bearing 3 and a PCB board 4, and further comprises a magnet 5 and a base 6, the magnetic frame 2 being arranged a shaft core 21, the winding group is sleeved on the shaft core 21, the magnetic frame 2 is sleeved on the outer surface of the winding group, and the magnet 5 is located between the magnetic frame 2 and the winding group; The wire group is connected to the PCB board 4, the base 6 is sleeved on the shaft core 21 and penetrates the inner hole of the winding group, and one end of the base 6 is in contact with the magnetic frame 2, The other end of the base 6 protrudes from the PCB board 4, and the bearing 3 is sleeved on the shaft core 21 and mounted in the base 6.

在本发明中，所述的AC转DC的小型结构电机通过磁框2的轴芯21驱动外接风扇，所述磁石5配合绕线组和磁框2，并通过基座6进行固定，将PCB输入的220V AC电压转换成5V的DC电压通过轴芯21提供给风扇，从而驱动风扇旋转，本发明能够将220V的AC电压转换成5V的DC电压，并保证本发明在5V电压的驱动下能够达到AC电机的运行转速及风压风量，本发明的功率只有5W，是同类家用风扇的12％，能耗骤减，既节约了电能，又能满足散热的效果；且本发明的成品使用方便，普通的USB充电宝也可以直接为其进行供电进行运转，在没有电源的野外都可感受到家电风扇的凉意！In the present invention, the AC-to-DC small-structure motor drives an external fan through the core 21 of the magnetic frame 2, and the magnet 5 cooperates with the winding group and the magnetic frame 2, and is fixed by the base 6, and the PCB is fixed. The input 220V AC voltage is converted into a 5V DC voltage and supplied to the fan through the core 21 to drive the fan to rotate. The present invention can convert the 220V AC voltage into a 5V DC voltage, and ensures that the present invention can be driven by a 5V voltage. The operating speed and the air pressure of the AC motor are up to 5W, which is 12% of the same type of household fan, and the energy consumption is reduced sharply, which not only saves electric energy but also satisfies the effect of heat dissipation; and the finished product of the invention is convenient to use. Ordinary USB charging treasure can also directly supply power for it, and in the wild without power supply, you can feel the coolness of the appliance fan!

其中，所述磁框2设置有基架7，所述基架7的一端固定于磁框2，其另一端与基座6连接。在本发明中，通过在磁框2的内部中心处设置基架7，通过基架7对绕线组以及基座6进行进一步的固定，增强了本发明的稳定性，避免本发明在工作过程中出现晃动并产生噪音，实用性强。The magnetic frame 2 is provided with a base frame 7. One end of the base frame 7 is fixed to the magnetic frame 2, and the other end thereof is connected to the base 6. In the present invention, by providing the pedestal 7 at the inner center of the magnetic frame 2, the winding group and the susceptor 6 are further fixed by the pedestal 7, thereby enhancing the stability of the present invention and avoiding the present invention in the working process. There is sloshing and noise, which is practical.

其中，所述轴承3与基座6之间设置有弹性定位片8。在本发明中，所述弹性定位片8采用双滚珠弹片结构，通过该双滚珠弹片结构的弹性定位片8对轴承3与基座6之间起到一定的缓冲作用，有效延长本发明的使用寿命，且进一步满足低噪音的标准。An elastic positioning piece 8 is disposed between the bearing 3 and the base 6 . In the present invention, the elastic positioning piece 8 adopts a double ball spring structure, and the elastic positioning piece 8 of the double ball spring structure plays a certain buffering effect on the bearing 3 and the base 6, thereby effectively extending the use of the present invention. Lifetime and further meet the low noise standards.

进一步地，所述绕线组包括有绕线支架1，所述绕线支架1设置有至少三组绕线组件，每组绕线组件包含有四个绕线柱11，每两个绕线柱11的绕线抽头连接，前一组绕线组件的第一绕线柱11的绕线与后一绕线组件的第三绕线柱11的绕线抽头连接，每组绕线组件的第二绕线柱11抽头与 PCB板4连接，每组绕线组件的第四绕线柱11抽头为公共端。具体的，本发明采用的优选方案为所述绕线组件为三组；所述磁框2对应三组绕线组件设置有10对磁极数或14对磁极数，本发明的绕线组采用12极矽钢片作为绕线支架1，能够增强扭力，提高运转转速，且磁框2在外围作为外转子转动，以轴芯21为中心，置轴承3于绕线组的内孔内，从而形成一外转子结构，通过磁场N,S极切换，进行驱动运转，相比于现有的内转子结构而言，组装更加便捷，成本更低；本发明的磁框2对应12个绕线柱11设置10对磁极数或14对磁极数，组合形成本发明的三相驱动方式，是目前试验完成的最优方案；当然，本发明并不排除将来通过有限次试验获得更多的方案，比如磁框2对应不同数目的绕线柱11设置不同对数的磁极数，以上方案均涵盖在本发明的技术方案内。Further, the winding set includes a winding support 1 provided with at least three sets of winding assemblies, each set of winding assemblies comprising four winding posts 11 and two winding posts The winding taps of 11 are connected, the winding of the first bobbin 11 of the preceding winding assembly is connected to the winding tap of the third bobbin 11 of the latter winding assembly, and the second winding assembly of each group Winding column 11 taps with The PCB boards 4 are connected, and the fourth bobbin 11 of each set of winding assemblies is tapped to be a common end. Specifically, the preferred solution adopted by the present invention is that the winding components are three groups; the magnetic frame 2 is provided with 10 pairs of magnetic poles or 14 pairs of magnetic poles corresponding to the three sets of winding components, and the winding group of the present invention adopts 12 groups. As the winding bracket 1, the crucible steel sheet can enhance the torsion force and increase the running speed, and the magnetic frame 2 rotates as the outer rotor at the periphery, and the bearing core 3 is centered on the shaft core 21, thereby forming the bearing 3 in the inner hole of the winding group, thereby forming An outer rotor structure is driven by a magnetic field of N and S poles to perform driving operation. Compared with the existing inner rotor structure, assembly is more convenient and the cost is lower; the magnetic frame 2 of the present invention corresponds to 12 winding posts 11 Setting 10 pairs of magnetic poles or 14 pairs of magnetic poles to form the three-phase driving method of the present invention is the optimal solution for the current test; of course, the present invention does not preclude obtaining more solutions through limited trials in the future, such as magnetic Box 2 sets different logarithmic pole numbers corresponding to different numbers of bobbins 11, and the above solutions are all included in the technical solution of the present invention.

本发明优选的三组绕线组件的绕线方式具体可参考图2，第一组绕线组件至第三组绕线组件的绕线柱11分别为1-12，其中每组绕线组件的第二绕线柱11外接PCB板4的抽头分别为A、B、C，每组绕线组件的第四绕线柱11抽出为公共端。For the winding manner of the preferred three sets of winding assemblies of the present invention, refer to FIG. 2, the winding posts 11 of the first set of winding assemblies to the third set of winding assemblies are respectively 1-12, wherein each set of winding assemblies The taps of the second bobbin 11 externally connected to the PCB board 4 are A, B, and C, respectively, and the fourth bobbin 11 of each set of winding assemblies is extracted as a common end.

再进一步地，每组绕线组件均设置有至少一个凸柱12，所述凸柱12与PCB板4固定连接。在本发明中，通过在每组绕线组件上设置凸柱12与PCB板4进行固定，能够加强绕线组件与PCB板4之间的稳定性，实用性强。Still further, each set of winding assemblies is provided with at least one stud 12 that is fixedly coupled to the PCB board 4. In the present invention, by providing the studs 12 on each of the winding assemblies to be fixed to the PCB board 4, the stability between the winding assembly and the PCB board 4 can be enhanced, and the utility is strong.

其中，所述轴芯21的前端设置有螺牙。本发明通过在轴芯21的前端设置螺牙，能够用于锁固扇叶，使得马达转动时，带动叶轮转动，从而面送出风。Wherein, the front end of the shaft core 21 is provided with a thread. The present invention can be used to lock the blade by providing a thread on the front end of the shaft core 21, so that when the motor rotates, the impeller is rotated, and the wind is sent out.

其中，所述基座6的端面设置有至少三个固定孔。进一步第，本发明 的基座6端面设置三个固定孔，可以适用于不同风扇结构进行锁固，使得本发明能够具有通用性。The end surface of the base 6 is provided with at least three fixing holes. Further, the present invention The bottom surface of the base 6 is provided with three fixing holes, which can be applied to different fan structures for locking, so that the invention can be versatile.

其中，所述基座6的端面与轴芯21之间设置有固定扣环9。本发明的固定扣环9卡设于基座6的端面与轴芯21之间，防止基座6相对于轴芯21出现晃动的情形，进一步增强本发明的实用性。A fixing buckle 9 is disposed between the end surface of the base 6 and the shaft core 21 . The fixing buckle 9 of the present invention is interposed between the end surface of the base 6 and the shaft core 21 to prevent the base 6 from rattling with respect to the shaft core 21, and further enhances the practicability of the present invention.

更进一步地，还包括有外壳101和密封板102，所述外壳101包覆于磁框2外表面，所述密封板102盖设于PCB板4上方，所述密封板102开设有与基座6匹配的通孔。为防止风扇在使用过程中的灰尘进入马达中，本发明还设置有外壳101和密封板102，可以有效延长本发明的使用寿命。Further, the housing 101 and the sealing plate 102 are covered, and the outer casing 101 is covered on the outer surface of the magnetic frame 2, and the sealing plate 102 is disposed above the PCB 4. The sealing plate 102 is opened and the base 6 matching through holes. In order to prevent dust from entering the motor during use, the present invention is also provided with a casing 101 and a sealing plate 102, which can effectively extend the service life of the present invention.

以上内容仅为本发明的较佳实施例，对于本领域的普通技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，本说明书内容不应理解为对本发明的限制。 The above content is only a preferred embodiment of the present invention, and those skilled in the art will have a change in the specific embodiment and application scope according to the idea of the present invention. The content of the present specification should not be construed as the present invention. limits.

Claims (10)

一种家用风扇的DC三相无刷电机，包括有绕线组、磁框、轴承和PCB板，其特征在于：还包括有磁石和基座，所述磁框设置有轴芯，所述绕线组套设于轴芯，所述磁框套设于绕线组的外表面，所述磁石位于磁框与绕线组之间；所述绕线组与PCB板连接，所述基座套设于轴芯并穿设于绕线组的内孔，所述基座的一端与磁框接触，所述基座的另一端凸出于PCB板，所述轴承套设于轴芯并安装于基座内。A DC three-phase brushless motor for a household fan, comprising a winding group, a magnetic frame, a bearing and a PCB board, characterized in that: a magnet and a base are further included, and the magnetic frame is provided with a shaft core, and the winding The wire set is sleeved on the shaft core, the magnetic frame is sleeved on the outer surface of the winding group, the magnet is located between the magnetic frame and the winding group; the winding group is connected with the PCB board, and the base sleeve is Provided on the shaft core and disposed in the inner hole of the winding group, one end of the base is in contact with the magnetic frame, the other end of the base protrudes from the PCB board, and the bearing is sleeved on the shaft core and mounted on the shaft core Inside the pedestal. 根据权利要求1所述的一种家用风扇的DC三相无刷电机，其特征在于：所述磁框设置有基架，所述基架的一端固定于磁框，其另一端与基座连接。A DC three-phase brushless motor for a household fan according to claim 1, wherein the magnetic frame is provided with a base frame, one end of the base frame is fixed to the magnetic frame, and the other end of the base frame is connected to the base. . 根据权利要求1所述的一种家用风扇的DC三相无刷电机，其特征在于：所述轴承与基座之间设置有弹性定位片。A DC three-phase brushless motor for a household fan according to claim 1, wherein an elastic positioning piece is disposed between the bearing and the base. 根据权利要求1-3任意一项所述的一种家用风扇的DC三相无刷电机，其特征在于：所述绕线组包括有绕线支架，所述绕线支架设置有至少三组绕线组件，每组绕线组件包含有四个绕线柱，每两个绕线柱的绕线抽头连接，前一组绕线组件的第一绕线柱的绕线与后一绕线组件的第三绕线柱的绕线抽头连接，每组绕线组件的第二绕线柱抽头与PCB板连接，每组绕线组件的第四绕线柱抽头为公共端。A DC three-phase brushless motor for a household fan according to any one of claims 1 to 3, wherein the winding group comprises a winding bracket, and the winding bracket is provided with at least three windings. a wire assembly, each set of winding assemblies comprising four bobbins, each of which is connected by a winding tap of the first bobbin, the winding of the first bobbin of the preceding winding assembly and a subsequent winding assembly The second bobbin is connected by a wire tap, and the second bobbin tap of each set of winding assemblies is connected to the PCB, and the fourth bobbin tap of each set of winding assemblies is a common end. 根据权利要求4所述的一种家用风扇的DC三相无刷电机，其特征在于：所述绕线组件为三组；所述磁框对应三组绕线组件设置有10对磁极数或14对磁极数。A DC three-phase brushless motor for a household fan according to claim 4, wherein: said winding assembly is three sets; said magnetic frame is provided with 10 pairs of magnetic poles or 14 corresponding to three sets of winding assemblies. The number of poles. 根据权利要求4所述的一种家用风扇的DC三相无刷电机，其特征在于： 每组绕线组件均设置有至少一个凸柱，所述凸柱与PCB板固定连接。A DC three-phase brushless motor for a household fan according to claim 4, wherein: Each set of winding assemblies is provided with at least one stud, which is fixedly connected to the PCB. 根据权利要求1所述的一种家用风扇的DC三相无刷电机，其特征在于：所述轴芯的前端设置有螺牙。A DC three-phase brushless motor for a household fan according to claim 1, wherein the front end of the shaft core is provided with a thread. 根据权利要求1所述的一种家用风扇的DC三相无刷电机，其特征在于：所述基座的端面设置有至少三个固定孔。A DC three-phase brushless motor for a household fan according to claim 1, wherein the end surface of the base is provided with at least three fixing holes. 根据权利要求1所述的一种家用风扇的DC三相无刷电机，其特征在于：所述基座的端面与轴芯之间设置有固定扣环。A DC three-phase brushless motor for a household fan according to claim 1, wherein a fixing buckle is disposed between the end surface of the base and the shaft core. 根据权利要求1所述的一种家用风扇的DC三相无刷电机，其特征在于：还包括有外壳和密封板，所述外壳包覆于磁框外表面，所述密封板盖设于PCB板上方，所述密封板开设有与基座匹配的通孔 A DC three-phase brushless motor for a household fan according to claim 1, further comprising a casing and a sealing plate, the casing being coated on an outer surface of the magnetic frame, the sealing plate being disposed on the PCB Above the plate, the sealing plate is provided with a through hole matching the base
PCT/CN2017/103476 2016-10-27 2017-09-26 Dc three-phase brushless motor for household fans Ceased WO2018076989A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109245410A (en) * 2018-10-22 2019-01-18 深圳市中驱电机有限公司 A kind of ultrahigh rotating speed motor
US12689249B2 (en) 2022-12-02 2026-07-21 Milwaukee Electric Tool Corporation Electric motor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106655569A (en) * 2016-10-27 2017-05-10 东莞市翰硕塑胶有限公司 DC three-phase brushless motor for household fan
CN109936256A (en) * 2017-12-19 2019-06-25 蔡应麟 The brushless motor structure of kitchen ventilator wind wheel is improved

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2532613Y (en) * 2002-04-11 2003-01-22 煜晶展业有限公司 Stator assembly structure
US20100033050A1 (en) * 2008-08-07 2010-02-11 Masahiko Kobayashi Motor and electronic apparatus having the same
CN101834507A (en) * 2009-03-11 2010-09-15 稳正企业股份有限公司 The brushless DC motor structure with a fixed ratio of plural magnetic pole pairs to the number of slots
CN102751836A (en) * 2011-12-08 2012-10-24 余姚市精诚高新技术有限公司 Novel brushless microwave oven cooling fan motor
CN203368281U (en) * 2013-06-05 2013-12-25 深圳艾史比特电机有限公司 Permanent magnet motor
CN104104201A (en) * 2014-06-27 2014-10-15 甘琪 Three-phase brushless direct-current fan motor
CN204425164U (en) * 2014-12-30 2015-06-24 深圳市双环全新机电股份有限公司 Brushless motor
CN106655569A (en) * 2016-10-27 2017-05-10 东莞市翰硕塑胶有限公司 DC three-phase brushless motor for household fan
CN206237219U (en) * 2016-10-27 2017-06-09 东莞市翰硕塑胶有限公司 A DC three-phase brushless motor for a household fan

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW517430B (en) * 2000-06-02 2003-01-11 Moric Kabushiki Kaisha Coil winding for DC machine
CN100481685C (en) * 2003-02-20 2009-04-22 建准电机工业股份有限公司 Miniature brushless DC fan
KR101225971B1 (en) * 2006-04-07 2013-01-24 엘지전자 주식회사 Motor and air conditioner having it
CN201090471Y (en) * 2007-07-04 2008-07-23 鑫贺精密电子(东莞)有限公司 Energy-saving radiating fan of integrally-formed injection molding magnetic ring
KR101012211B1 (en) * 2008-09-10 2011-02-08 엘지전자 주식회사 Fan motor
KR101024312B1 (en) * 2009-03-05 2011-03-23 주식회사 모아텍 Core Assembly Support Structure of Brushless Motor
US8030809B2 (en) * 2009-07-14 2011-10-04 Sunonwealth Electric Machine Industry Co., Ltd. Stator and DC brushless motors including the stator
CN202395631U (en) * 2011-10-20 2012-08-22 深圳麦格米特电气股份有限公司 Permanent magnet synchronous external rotor gasoline engine generator
CN202488322U (en) * 2012-03-06 2012-10-10 东莞市允达实业有限公司 A brushless DC motor for an externally rotating industrial or household fan
CN105471215B (en) * 2016-01-15 2017-12-26 浙江三花智能控制股份有限公司 Six groove three-phase external rotor brush-less fan motors of refrigerator

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2532613Y (en) * 2002-04-11 2003-01-22 煜晶展业有限公司 Stator assembly structure
US20100033050A1 (en) * 2008-08-07 2010-02-11 Masahiko Kobayashi Motor and electronic apparatus having the same
CN101834507A (en) * 2009-03-11 2010-09-15 稳正企业股份有限公司 The brushless DC motor structure with a fixed ratio of plural magnetic pole pairs to the number of slots
CN102751836A (en) * 2011-12-08 2012-10-24 余姚市精诚高新技术有限公司 Novel brushless microwave oven cooling fan motor
CN203368281U (en) * 2013-06-05 2013-12-25 深圳艾史比特电机有限公司 Permanent magnet motor
CN104104201A (en) * 2014-06-27 2014-10-15 甘琪 Three-phase brushless direct-current fan motor
CN204425164U (en) * 2014-12-30 2015-06-24 深圳市双环全新机电股份有限公司 Brushless motor
CN106655569A (en) * 2016-10-27 2017-05-10 东莞市翰硕塑胶有限公司 DC three-phase brushless motor for household fan
CN206237219U (en) * 2016-10-27 2017-06-09 东莞市翰硕塑胶有限公司 A DC three-phase brushless motor for a household fan

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109245410A (en) * 2018-10-22 2019-01-18 深圳市中驱电机有限公司 A kind of ultrahigh rotating speed motor
CN109245410B (en) * 2018-10-22 2023-09-01 深圳市中驱电机有限公司 A super high speed motor
US12689249B2 (en) 2022-12-02 2026-07-21 Milwaukee Electric Tool Corporation Electric motor

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