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Motor components, air blowers, home appliances and electric vehicles

A technology of motor components and components, applied in the direction of electric components, electric vehicles, electromechanical devices, etc., can solve the problems of large space occupation, insufficient integration, and many heating power devices, so as to reduce the occupied space, save PCB space, Enhance the effect of interior space

Active Publication Date: 2022-06-07
GUANGDONG MIDEA CONSUMER ELECTRICS MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The electronic control hardware PCB (Printed circuit board, printed circuit board) used by the motor in the related art has a large size, many heat-generating power devices, high cost, insufficient integration, and a large space occupation, resulting in the inability to miniaturize the motor components

Method used

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  • Motor components, air blowers, home appliances and electric vehicles
  • Motor components, air blowers, home appliances and electric vehicles
  • Motor components, air blowers, home appliances and electric vehicles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] A motor assembly such as figure 1 As shown, including: motor 1 and control device.

[0057] The motor 1 includes: a rotor assembly 10; a stator assembly 12, the stator assembly 12 has a mating surface matched with the rotor assembly 10, and the mating surface is opposite to a part of the outer peripheral surface of the rotor assembly 10, so that the rotor assembly 10 can follow the diameter of the rotor assembly 10. The stator assembly 12 is separated from the stator assembly 12 in the axial direction and / or the axial direction; the stator assembly 12 includes: a stator iron core with stator teeth 122 thereon; at least two stator windings 124, respectively disposed on the stator teeth 122, any adjacent two The polarities of the stator windings 124 are different.

[0058] The control device is connected to the motor 1 , and is configured to detect the electrical signal of the motor 1 , determine the position of the rotor assembly 10 according to the electrical signal, a...

Embodiment 2

[0067] In the above embodiment, as figure 2 , image 3 , Figure 4 , Figure 5 and Image 6 As shown, the motor assembly includes a motor assembly and a control device, and the control device includes: a phase current detection circuit, a phase voltage detection circuit, a control circuit and a zero-crossing detection circuit; the phase current detection circuit is configured to obtain the motor based on the zero-crossing time of the electrical signal. The phase current of the motor; the phase voltage detection circuit is configured to obtain the phase voltage of the motor based on the zero-crossing moment; the control circuit is connected with the phase current detection circuit and the phase voltage detection circuit, and the control circuit is configured to be adapted to determine according to the phase current and the phase voltage the position of the rotor, and generate a control signal according to the position of the rotor to control the stator assembly to drive the...

Embodiment 3

[0080] In an embodiment of the present invention, the control device further includes: a motor drive circuit connected to the control circuit, the motor drive circuit is configured to generate a corresponding drive current according to the control signal, and control the stator assembly to drive the rotor assembly through the drive current .

[0081] In this embodiment, the control device includes a motor drive circuit, the motor drive circuit is connected to the control circuit, the motor drive circuit generates a corresponding drive current according to the control signal, the motor drive circuit outputs the drive current to the stator assembly, and controls the drive rotor The rotational state of the component.

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PUM

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Abstract

The invention provides a motor assembly, an air blower, a household appliance and an electric vehicle, wherein the motor assembly includes: a motor, and the motor includes: a rotor assembly; at least one stator assembly arranged on one side of the rotor assembly; at least one stator assembly It includes: a stator core with at least two stator teeth; at least two stator windings respectively arranged on at least two stator teeth, and any adjacent two stator windings have different polarities; connected, the control device is configured to be suitable for detecting the electric signal of the motor, judging the position of the rotor assembly according to the electric signal, and controlling the stator winding to drive the rotor assembly according to the position of the rotor assembly. The motor assembly provided by the present application is small in size, low in heat generation, high in integration, easy to disassemble, and can realize the miniaturization of the motor assembly.

Description

technical field [0001] The present invention relates to the technical field of motor control, and in particular, to a motor assembly, an air supply device, a household appliance and an electric vehicle. Background technique [0002] The electronic control hardware PCB (Printed circuit board, printed circuit board) used in the motor in the related art is large in size, has many heating power devices, high cost, insufficient integration, and occupies a large space, so that the motor components cannot be miniaturized. SUMMARY OF THE INVENTION [0003] The present invention aims to at least solve one of the technical problems existing in the related art or the related art. [0004] To this end, a first aspect of the present invention is to provide a motor assembly. [0005] A second aspect of the present invention is to provide an air supply device. [0006] A third aspect of the present invention is to provide a household appliance. [0007] A fourth aspect of the present ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K11/30H02K1/14H02K21/16H02K7/14H02P6/08H02P6/18F04D25/08
CPCH02K11/30H02K1/14H02K21/16H02K7/14H02P6/08H02P6/18F04D25/08Y02T10/64
Inventor 刘锦泉
Owner GUANGDONG MIDEA CONSUMER ELECTRICS MFG CO LTD
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