JP3083887U - Stator assembly structure with radial winding - Google Patents

Abstract

(57) [Summary] (Modifications required) [Problem] To make it easier to start the rotor even when the material and weight of the stator are reduced, and to make the rotation of the rotor smoother, and at the same time, to easily attach the coil to each arm. Provided is a radially wound stator assembly structure that can be wound. SOLUTION: A plurality of silicon steel slabs 1 are stacked, and a corresponding shaft hole 11 and an assembly hole 12 are formed in the silicon steel slab 1.
Is provided, a plurality of arms 14 are provided in a radial manner,
A magnetic pole surface 15 is formed at the end of the arm, and the auxiliary plate 2 is also provided with a shaft hole 21 and an assembling hole 22 corresponding to the silicon steel slab. At the end of 23, a pole face 24 extending in the vertical direction is extended, and is formed so as to be shifted from the pole face formed at the end of the arm, have an appropriate distance, and have a different width or thickness, It is configured such that the assembling holes of the silicon steel slab and the auxiliary plate are brought together and then connected by the localization member.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a radially wound stator assembly structure. In particular, the starting torque can be reduced by reducing the cogging torque, and the rotating torque of the motor can be reduced by avoiding the rotating blind spot. The present invention relates to a stator assembly structure of a radial winding in which the number of coils can be increased.

[0002]

[Prior art]

 Conventionally, this type is as follows.

In the conventional stator assembly structure shown in FIG. 1, a plurality of silicon steel pieces 90 having the same shape are stacked, and the silicon steel piece 90 is provided with an even number of arms 91. A coil 92 is wound around the arm 91, and an auxiliary arm 93 is provided between the arms 91 of the silicon steel piece 90. The coil is not wound around the auxiliary arm 93, and when the current flows through the coil 92 in this manner, the auxiliary arm 93 is non-polar, so that the arm 91 and the auxiliary arm 93 of the stacked silicon steel piece 90 are The rotor is configured to be easy to start by inducing non-uniform induction when guiding with the annular permanent magnet.

[0004]

[Problems to be solved by the invention]

 In the above-mentioned conventional stator assembly structure, since the arm 91 and the auxiliary arm 93 are provided on the silicon steel piece 90, there is a problem that it is very inconvenient to wind the coil around the arm 91.

The present invention has been devised in view of such a problem, and an object thereof is to make it easy to start the rotor even in a state where the material and weight of the stator are reduced, and to make the rotor easy to operate. It is an object of the present invention to provide a stator assembly structure of a radial winding that can increase the rotational torque of the motor.

A second object of the present invention is to make it easier to start the rotor even when the material and weight of the stator are reduced, and to further reduce the cogging torque so that the rotation of the rotor becomes smoother. At the same time, it is an object of the present invention to provide a radially wound stator assembly structure in which a coil can be easily wound around each arm.

[0007]

[Means for Solving the Problems]

 To achieve the above object, the stator assembly structure of the radial winding according to the present invention is as follows. That is, the stator assembly structure of the radial winding is composed of a silicon steel piece and an auxiliary plate. The silicon slab is formed by stacking a plurality of pieces, the silicon slab is provided with a corresponding shaft hole, the silicon slab is provided with a plurality of arms in a radial pattern, and the end of the arm has a pole face. Is formed. The auxiliary plate is formed so as to overlap the stacked silicon steel pieces, the auxiliary plate is also provided with a shaft hole corresponding to the silicon steel pieces, and the auxiliary plate is provided with a plurality of auxiliary arms in a radial pattern. The auxiliary arm provided on the auxiliary plate is formed so as to be deviated from the arm of the silicon steel piece, and a magnetic pole surface extending in a vertical direction extends at the end of the auxiliary arm, and the magnetic pole surface of the auxiliary plate is provided. Are formed so as to be shifted from the pole face formed at the end of the arm of the silicon steel piece and have an appropriate distance.

Further, the stator assembly structure of the radial winding according to the present invention may be configured as follows. 1. The auxiliary plate is provided with an arm and a pole face, and the arm and the pole face are formed so that the arm of the silicon steel piece and the pole face overlap. 2. After the coil is wound around the arm of the silicon slab, the silicon slab is formed so as to be joined again with the auxiliary plate. 3. The coil is wound around the arm where the silicon and the auxiliary plate overlap. 4. An assembly hole is formed in each of the silicon steel slab and the auxiliary plate, and the silicon steel slab and the auxiliary plate are formed so that the assembly holes of the silicon steel slab and the auxiliary plate are aligned and then connected by a localization member. 5. The pole face of the auxiliary arm is formed so as to be displaced from the pole face at the end of the arm of the silicon steel piece and has a different width or height.

[0009]

[Embodiment of the invention]

 Embodiments of the present invention will be described below with reference to the drawings.

[0010]

Embodiment 1 FIG. 2 is an exploded perspective view of a stator assembly structure of a radial winding according to a first embodiment of the present invention. The stator assembly structure of the present invention mainly includes a silicon steel piece 1 and an auxiliary plate 2. It is composed of components.

The silicon slab 1 is manufactured in the same shape by using a magnetically conductive material, and as a preferred embodiment, at least two or more slabs are overlapped with each other. A shaft hole 11 is formed, and a plurality of assembling holes 12 are further formed in the silicon steel piece 1. The assembling hole 12 connects the silicon steel piece 1 and the auxiliary plate 2 with a positioning member 13 such as a pin. it can. Each silicon steel slab 1 is provided with a plurality of arms 14 in a radiating manner. Each arm 14 has a pole face 15 formed at the end thereof, and each pole face 15 can be guided by the annular permanent magnet of the rotor. it can.

The auxiliary plate 2 is made of a magnetic conductive material, and the auxiliary plate 2 is provided with a shaft hole 21 and an assembly hole 22. The shaft hole 21 is combined with the shaft hole 11 of the silicon steel piece 1 to form a shaft tube. The assembling hole 22 can also be fitted with the assembling hole 12 of the silicon steel piece 1 so that the auxiliary plate 2 and the silicon steel piece 1 can be penetrated and fixed by the localization member 13. The auxiliary plate 2 is provided with an arm 23 that matches the arm 14 of the silicon steel piece 1, a magnetic pole surface 24 is formed at the end of the arm 23, and the auxiliary plate 2 itself is an auxiliary arm between each arm 23. 25 are provided. At the end of the auxiliary arm 25, a magnetic pole surface 26 extending in the vertical direction is extended. The magnetic pole surface 26 is formed so as to be offset from the magnetic pole surface 15 of the silicon steel piece 1 and to have a distance therefrom. The pole face 26 of the plate 2 is formed to have a different width or height from the pole face 15 of the silicon steel piece 1.

FIG. 3 is a perspective view of the assembled state of the stator assembly of the radial winding according to the first embodiment of the present invention, in which a plurality of silicon steel pieces 1 and shaft holes 11 and 21 of the auxiliary plate 2 are combined. After that, the shaft holes (not shown) penetrate therethrough, and the combined assembling holes 12 and 22 connect the silicon steel piece 1 and the auxiliary plate 2 by the positioning member 13, and then the arm of the silicon steel piece 1 and the auxiliary plate 2 A coil is wound around 14,23. In the stator set thus formed, the magnetic pole surfaces 15 and 24 on which the silicon steel slab 1 and the auxiliary plate 2 overlap are formed so as to alternate with the magnetic pole surfaces 26 extending from the arms 25 of the auxiliary plate 2. In addition, since the stator set and the permanent magnet of the rotor have a relatively large induction area, the rotor is formed to have a relatively large rotational torque because the stator set and the permanent magnet of the rotor have a relatively large induction area. You. Further, the magnetic pole surfaces 15, 24 of the silicon steel piece 1 and the auxiliary plate 2 are formed so as to have a different width or height from the magnetic pole surface 25 extending to the auxiliary arm 25 of the auxiliary plate. , 24 and the pole face 26 are formed to have unequal magnetic field amounts, so that the stator assembly is formed with an induction that is unequal to the permanent magnet of the rotor, which has the effect that the rotor is easy to start. It is formed to have. When guided with the annular permanent magnet of the rotor in this way, the rotor does not have a rotating blind spot, and the activation of the rotor is further simplified.

[0014]

Second Embodiment FIG. 4 is an exploded perspective view of a stator assembly structure of a radial winding according to a second embodiment of the present invention. The stator assembly structure of the present invention mainly includes a silicon steel piece 1, an auxiliary plate 3, and the like. It is composed of components.

The silicon steel slab 1 is the same as that of the first embodiment. As a best mode of application, the auxiliary plate 3 is provided with a shaft hole 31, an assembly hole 32, and an even number of radial auxiliary arms 33. A pole face 34 extending in the vertical direction is provided at the end of the auxiliary arm 33, and the pole face 34 and the pole face 15 of the silicon steel piece 1 are formed to have different widths or heights.

As a best mode of application of the present invention, first, a plurality of silicon steel pieces 1 are stacked, then a coil is wound around the arms 14 of the plurality of silicon steel pieces 1, and then the auxiliary plate 3 is connected with the localization member 13. The silicon steel slab 1 is joined. As described above, since the stator set of this embodiment has a relatively large space between the pole faces 15 of the silicon steel piece 1 when the auxiliary plate is not yet joined, the winding operation is relatively convenient. Become. After the winding operation is completed, the magnetic pole surfaces 15, 34 provided on the silicon steel piece 1 and the auxiliary arm 33 of the auxiliary plate 3 are formed so as to have different widths or heights. , 34 are also formed with an unequal magnetic field amount, so that the stator set is formed with an induction that is unequal to the permanent magnet of the rotor, and therefore, the rotor is formed so as to have an effect of being easily started. You. In this way, when the rotor is guided with the annular permanent magnet, the start-up of the rotor is further simplified.

[0017]

[Effect of the invention]

 According to the radially wound stator assembly structure of the present invention, the stator assembly is formed to have different widths or heights of the magnetic pole faces, so that the magnetic pole faces and the magnetic pole faces are formed with unequal magnetic field amounts. As a result, the stator set is formed with an induction that is unequal to the permanent magnets of the rotor, so that the rotor is formed so as to have an effect that it is easy to start. The advantage is that the rotor does not have a blind spot and the start-up of the rotor is easier. Furthermore, when performing winding work on silicon steel pieces that overlap each other, there is the advantage that the work of winding is further simplified because a relatively large space is formed between the pole faces of the silicon steel pieces. is there.

The present invention may be embodied in other ways without departing from its spirit and essential characteristics. Accordingly, the preferred embodiments described herein are illustrative and not intended to be limiting.

[Brief description of the drawings]

FIG. 1 is a perspective view of a conventional stator structure.

FIG. 2 is an exploded perspective view of the stator assembly structure of the radial winding according to the first embodiment of the present invention;

3 is a perspective view showing an assembled state of a radially-wound stator assembly structure shown in FIG. 2;

FIG. 4 is an exploded perspective view of a stator assembly structure of a radial winding according to a second embodiment of the present invention;

FIG. 5 is a perspective view of the stator assembly structure of the radial winding shown in FIG. 4 in an assembled state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Silicon steel piece 11 Shaft hole 12 Assembly hole 13 Localization member 14 Arm 15 Magnetic pole surface 2 Auxiliary plate 21 Shaft hole 22 Assembly hole 23 Arm 24 Magnetic pole surface 25 Auxiliary arm 26 Magnetic pole surface 3 Auxiliary plate 31 Axial hole 32 Assembly hole 33 Auxiliary arm 34 Magnetic pole face

Claims (6)

[Utility model registration claims] 1. A silicon steel slab (1) and an auxiliary plate (2)
Wherein the silicon steel piece (1) is formed by stacking a plurality of pieces, and a corresponding shaft hole (11) is formed in the silicon steel piece (1). The silicon slab (1) has a plurality of arms (14)
Are provided radially, a pole face (15) is formed at the end of the arm (14), and the auxiliary plate (2) is formed so as to overlap with the silicon steel piece (1) which is superimposed, and the auxiliary plate ( A shaft hole corresponding to the silicon steel slab (1) is also formed in 2), and a plurality of auxiliary arms (25) are radially provided on the auxiliary plate (2) and provided on the auxiliary plate (2). The auxiliary arm (25) is formed so as to be displaced from the arm (14) of the silicon steel piece (1), and a pole face (26) extending in the vertical direction extends at the end of the auxiliary arm (25). The pole face (26) of the auxiliary plate (2) is formed so as to be shifted from the pole face (15) formed at the end of the arm (14) of the silicon steel piece (1) and have an appropriate distance. A radially wound stator assembly structure characterized by the following. 2. An arm (23) and a pole face (24) are provided on the auxiliary plate (2), and the arm (23) and the pole face (24) are in contact with the arm (14) of the silicon steel piece (1). 2. The stator assembly according to claim 1, wherein the stator assembly is formed so as to overlap with the pole face. 3. The arm (1) of the silicon steel slab (1).
The radially wound stator assembly structure according to claim 1, wherein the coil is wound around (4), and then the silicon steel piece (1) is formed so as to be joined to the auxiliary plate (2) again. 4. The radial winding according to claim 2, wherein a coil is wound around the arm on which the silicon plate and the auxiliary plate overlap each other. Stator assembly structure. 5. The silicon steel slab (1) and the auxiliary plate (2)
Are respectively formed with assembling holes (12, 22) so that the assembling holes (12, 22) of the silicon steel slab (1) and the auxiliary plate (2) are aligned and then connected by the localization member (13). The stator assembly structure for a radial winding according to claim 1, wherein: 6. The pole face (34) of the auxiliary arm (33) is formed so as to be displaced from the pole face (15) at the end of the arm (14) of the silicon steel piece (1), and has a different width or height. The stator assembly structure for a radial winding according to claim 1, wherein the stator assembly structure is formed so as to have: