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A motor stator module, motor stator and radial flux motor

A motor stator and stator technology, applied in the direction of magnetic circuits, electromechanical devices, electrical components, etc., can solve the problems of thin support structure, insufficient connection of segmented stator components, insufficient support structure strength, etc., to achieve structural reliability improvement, module The effect of high structural reliability and convenient splicing

Active Publication Date: 2020-04-24
姚常勤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the stator needs to bear the motor torque and the axial force and radial force applied to the stator when the motor is running, the above-mentioned fixing methods often have problems such as too thin support structure, insufficient strength of the support structure itself, and the connection between segmented stator components. not strong enough

Method used

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  • A motor stator module, motor stator and radial flux motor
  • A motor stator module, motor stator and radial flux motor
  • A motor stator module, motor stator and radial flux motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] figure 1 with figure 2 It is the first embodiment of the motor stator module of the present invention. A plurality of motor stator modules 11 can be combined to form an annular stator. The module 11 has an iron core 112 and two radial ends of the iron core 112 (such as figure 1 The pole shoe 114 extends from the end surface of the iron core 112 in a direction perpendicular to the radial direction to form the pole shoe 114 .

[0034] The pole piece 114 includes an outer pole piece 1141 and an inner pole piece 1142, such as figure 2 As shown, the outer pole shoe 1141 has a symmetrical structure with respect to the iron core 112, and the inner pole shoe 1142 has a symmetrical structure with respect to the iron core 112, and the iron core 112, the outer pole shoe 1141 and the inner pole shoe 1142 are combined into an I-shaped shape. The circumferential length L11 of the outer pole shoe 1141 is greater than the circumferential length L12 of the inner pole shoe 1142 , a...

Embodiment 2

[0042] The difference between this embodiment 1 and embodiment 1 is that in order to optimize the magnetic circuit, this embodiment is provided with a small iron core 12 between adjacent modules 11, such as Figure 5 with Image 6 shown. The small iron core 12 includes a second iron core 122 and a second pole piece 124 located on the end surface of the second iron core 122 along the radial direction, Figure 5 A second pole shoe 124 is arranged on the radially outer end surface of the second iron core 122, the second iron core 122 is generally flat square, the second pole shoe 124 is generally flat square, and the second iron core 122 and the second pole Boots 124 are combined to form a ⊥ shape, such as Image 6 shown. The second pole piece 124 has a symmetrical structure with respect to the second iron core 122, and the length of the second pole piece 124 along the axial direction (ie Figure 5 The height shown) is the same as the length of the second iron core 122 in the...

Embodiment 3

[0048] Figure 9 , Figure 10 with Figure 11 It is a schematic diagram of the radial flux motor of the present invention, and the structure of the motor is described by taking the bare stator 2 (no stator housing is installed) as an example. The motor A includes a bare stator 2, an inner ring magnetic pole 3, an outer ring magnetic pole 4, an inner ring rotor back plate 5, an outer ring rotor back plate 6 and a rotor flange 7, wherein the inner ring magnetic pole 3 is arranged on the inner ring of the bare stator 2 There is a gap between the inner ring magnetic pole 3 and the inner ring of the bare stator 2; the inner ring rotor back plate 5 is located inside the inner ring magnetic pole 3 to support the inner ring magnetic pole 3; the outer ring magnetic pole 4 is set on the bare stator 2, there is a gap between the outer ring magnetic pole 4 and the outer ring of the bare stator 2; the outer ring rotor back plate 6 is located outside the outer ring magnetic pole 4 and is ...

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Abstract

The invention relates to a motor stator module, a motor stator and a radial flux motor. A plurality of motor stator modules can be combined to form an annular stator. The motor stator module comprisesan iron core, a winding and pole shoes, wherein the winding is wound at the outer surface of the iron core, the winding and the iron core are dipped with glue and solidified into an integral body; and the pole shoes are located at the radial end faces of the iron core respectively. The winding and the iron core are integrally dipped with glue and solidified, so that a solid motor stator module isformed, and the module structure is high in reliability.

Description

technical field [0001] The invention relates to a motor, in particular to a motor stator module, a motor stator and a radial flux motor. Background technique [0002] For the convenience of manufacture and assembly, the motor stator in the prior art is usually composed of segmented stator components, and the segmented stator components are combined with each other to form a ring-shaped stator. When segmented stator assemblies are combined, the following method is often adopted: a plastic annular fixed support structure connected by bolts is provided on the outside of the segmented stator assemblies, and the segmented stator assemblies are plugged into each other. However, since the stator needs to bear the motor torque and the axial force and radial force applied to the stator when the motor is running, the above-mentioned fixing methods often have the disadvantages of too thin support structure, insufficient strength of the support structure itself, and the connection betwe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/14H02K1/20
CPCH02K1/145H02K1/146H02K1/20
Inventor 姚常勤
Owner 姚常勤
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