CN2498780Y

CN2498780Y - AC motor with rotationally balanced structure

Info

Publication number: CN2498780Y
Application number: CN 01232624
Authority: CN
Inventors: 洪银树; 吴文胜
Original assignee: Sunonwealth Electric Machine Industry Co Ltd
Current assignee: Sunonwealth Electric Machine Industry Co Ltd
Priority date: 2001-07-31
Filing date: 2001-07-31
Publication date: 2002-07-03
Anticipated expiration: 2011-07-31

Abstract

An AC motor with rotary balance structure is composed of casing with axle seat for the rotary axle of rotor, balance plate and stator set in the casing, several silicon steel plates wound by coils and with insulating ring, stator set and insulating ring with central hole, induction ring in the central hole of stator set, and balancing plate fixed to casing.

Description

Alternating current motor with spin balancing structure

Technical field

The utility model system belongs to electric motors relevant for a kind of alternating current motor with spin balancing structure.

Background technology

The applicant is in No. 99103237.3 " a kind of brshless DC motor " patent case of application on March 26th, 1999, a balancing patch is made by magnetic conductive material by system, this balancing patch is combined by axle bed with stator, establish axostylus axostyle by rotor and be articulated in this axle bed rotation, the permanent magnet of rotor and balancing patch can corresponding mutually suction magnetic, so, during this rotor rotation, preferable balance rotating effect can be arranged.

Summary of the invention

The purpose of this utility model is that a kind of alternating current motor with spin balancing structure will be provided, and makes this alternating current motor can have preferable balance rotating effect when rotated, and can reduce Rotation Noise simultaneously.

The purpose of this utility model is real like this sight:

A kind of alternating current motor with spin balancing structure includes a shell block, stator group, and this stator pack is fixed on shell block and is wound with coil and constitutes a centre bore with the plural groups silicon steel sheet, it is characterized in that, also includes:

One is arranged on the axle bed in the shell block;

One rotor, by the axle bed of rotation axis hinge joint at shell block, this rotor has an inductance loop, and this inductance loop is placed in the centre bore of stator pack; The end face of inductance loop can become corresponding with a balancing patch that is fixed in shell block and inhale mutually.Wherein

Be provided with dead ring between this stator pack and shell block, and this balancing patch be insulated the ring press fixing;

Be provided with dead ring between this stator pack and shell block, and this permanent magnet rings be insulated the ring press fixing;

The inductance loop end of its rotor is established exhausted magnetosphere, and is fixed on this exhausted magnetosphere with a permanent magnet rings gluing, and this permanent magnet rings can become corresponding with balancing patch and inhale mutually;

The set exhausted magnetosphere of this rotor is fixed on the inductance loop end face by the bonding agent gluing, and should become to be tightly fixed for permanent magnet rings by exhausted magnetosphere tool ringwall;

The rotation axis end face of this rotor is the closure member that apical grafting one is fixed on axle bed;

This balancing patch system of being fixed in shell block is formed by permanent magnet rings, and the end face of the inductance loop of this rotor is established an exhausted magnetosphere and a balancing patch, and this balancing patch becomes corresponding with this permanent magnet rings and inhales mutually; And

The set balancing patch of inductance loop end face of this rotor is that gluing is fixed on this exhausted magnetosphere.

The utility model is owing to be to establish the rotation axis hinge joint of axle bed for rotor by shell block, establish balancing patch and stator pack in the shell block, stator pack is wound with coil and is provided with dead ring to count silicon steel sheet, this stator pack and dead ring tool centre bore, rotor tool inductance loop is located in the centre bore of stator pack, and the centre bore that its end face can pass through stator is inhaled mutually with the balancing patch that is fixed in shell block is corresponding.This structure can make rotor when rotated, can be by the end face of balancing patch and rotor inductance loop, or the set permanent magnet rings of balancing patch and rotor inductance loop end face produces and correspondingly inhales mutually, therefore, can obtain during this rotor rotation to rotate comparatively stably, prior art has good effect relatively.

Description of drawings

Fig. 1: the utility model first embodiment exploded perspective view;

Fig. 2: the utility model first embodiment combination section;

3 partial enlarged drawings of Fig. 3: Fig. 2;

Fig. 4: by the permanent magnet rings shown in Figure 3 second fixing example;

Fig. 5: by second embodiment shown in Figure 3.

Embodiment

See also accompanying drawing, the utility model is lifted the following example explanation:

Embodiment 1:

As shown in Figure 1, it is the utility model one preferred embodiment, and this alternating current motor system includes members such as shell block 1, stator pack 2 and rotor 3 and constitutes.

Shell block 1 is can be for forming the shell of this alternating current motor, as shown in the figure, this shell block 1 can be the skeleton frame of heat emission fan, this shell block 1 cording has fixed part such as screw 11 for setting elements 12 such as bolts stator pack 2 to be fixed on the location, shell block 1 itself has an axle bed 13, this axle bed 13 can articulate rotation for the rotation axis 31 of rotor 3, for rotor 3 can smooth and easyly be rotated, can establish of rotation axis 31 pivot joints of bearing 14 usefulness in the axle bed 13 for rotor 3, and it is rotation axis 31 is fixing with fasteners 15 such as C shape clasps, these axle bed 13 end faces more can be for a closure member 16 sealing, and closure member 16 more can be rotated axle 31 apical graftings, makes this rotor 3 can become rotation stably; Axle bed 13 external diameters system can be provided with a balancing patch 17, and this balancing patch 17 can be made by permeability magnetic material.

Stator pack 2 is to be wound with coil 22 by known silicon steel sheet 21, this stator pack 2 tools one centre bore 20, this centre bore 20 can be ccontaining for the inductance loop 32 of rotor 3, stator pack 2 element 12 that can be positioned is fixed on shell block 1 again, and stator pack 2 is provided with dead ring 23 near the end of shell block 1, also tool one larger-diameter centre bore 231 is right with the centre bore kiss of stator pack 2 for this dead ring 23, this dead ring 23 can make 17 one-tenth isolation of silicon steel sheet 21 and balancing patch of this stator pack 2 not contact, and this balancing patch 17 can be exposed by the centre bore 231 of this dead ring 23, and this dead ring 23 has more the usefulness that presses stable equilibrium sheet 17.

Rotor 3 is the axle bed 13 interior rotations that are articulated in shell block 1 by a rotation axis 31, and can not be deviate from by fastener 15 snappings, this rotation axis 31 more can apical grafting at closure member 16, make the rotation of this rotor 3 more stable, be provided with in the rotor 3 in the centre bore 20 that inductance loop 32 is placed in stator pack 2, and respond to mutually with the silicon steel sheet 21 of stator pack 2, again, 17 one-tenth of the centre bore 20 that stator pack 2 can be passed through by the end face of this inductance loop 32 system and the balancing patches that is fixed on shell block 1 are corresponding to be inhaled mutually, or establish one at the end face of inductance loop 32 and cut off magnetosphere 35, and gluing one permanent magnet rings 33 again on should exhausted magnetosphere 35, make 32 of permanent magnet rings 33 and inductance loops can reach exhausted magnetic effect (as shown in Figure 3), and this permanent magnet rings 33 also can be inhaled mutually with 17 one-tenth of balancing patches that is fixed in shell block 1 are corresponding, and this rotor 3 can be provided with blade 34, to form a heat emission fan.

Shown in Fig. 2,3, it is the situation that is used in combination of the utility model embodiment 1, this stator pack 2 is to be fixed on shell block 1,1 of stator pack 2 and shell block are provided with balancing patch 17, and this balancing patch 17 be insulated the ring 23 crimping fix, and this shell block 1 is by the rotation axis 31 pivot joint rotations of axle bed 13 for rotor 3, the set permanent magnet rings 33 of rotor 3 inductance loops 32 end faces is tied to form the top position of contraposition at balancing patch 17, therefore, when rotor 3 rotations, this permanent magnet rings 33 be because of can producing corresponding suction mutually with balancing patch 17, so, can make the rotation of this rotor 3 can be comparatively steady.

Embodiment 2:

As shown in Figure 4, be permanent magnet rings 33 of the present utility model and exhausted magnetosphere 35 another fixed forms, should exhausted magnetosphere 35 be inductance loop 32 end faces that can be fixed on rotor 3 earlier by gluing, and be pressed in the tight fit mode for permanent magnet rings 33 by these exhausted magnetosphere 35 tool ringwalls fixing, with reach convenient fixing from.

As shown in Figure 5, it is another embodiment of the utility model, this permanent magnet rings 33 is to exchange with balancing patch 17, that is this permanent magnet rings 33 is to be fixed on shell block 1, and can press fixing by

dead ring

23,17 of balancing patches are can be via exhausted magnetosphere 35 isolated and be fixed on inductance loop 32 end faces of rotor 3 by gluing, and therefore, this rotor 3 also can obtain to rotate stably.

Claims

1, a kind of alternating current motor with spin balancing structure includes a shell block, stator group, and this stator pack is fixed on shell block, and is wound with coil and constitutes a centre bore with the plural groups silicon steel sheet, it is characterized in that, also includes:

One is arranged on the axle bed in the shell block;

One rotor, by the axle bed of rotation axis hinge joint at shell block, this rotor has an inductance loop, and this inductance loop is placed in the centre bore of stator pack; The end face of inductance loop can become corresponding with a balancing patch that is fixed in shell block and inhale mutually.

2, by the described a kind of alternating current motor of claim 1, it is characterized in that, be provided with dead ring between this stator pack and shell block, and this balancing patch is insulated ring and presses fixing with spin balancing structure.

3, by claim 1 or 2 described a kind of alternating current motors, it is characterized in that, be provided with dead ring between this stator pack and shell block, and this permanent magnet rings is insulated ring and presses fixing with spin balancing structure.

4, by the described a kind of alternating current motor of claim 1, it is characterized in that the inductance loop end of its rotor is established exhausted magnetosphere, and be fixed on this exhausted magnetosphere that this permanent magnet rings can become corresponding with balancing patch and inhale mutually with a permanent magnet rings gluing with spin balancing structure.

5, by claim 1 or 4 described a kind of alternating current motors, it is characterized in that the set exhausted magnetosphere of this rotor is fixed on the inductance loop end face by the bonding agent gluing, and should become to be tightly fixed for permanent magnet rings by exhausted magnetosphere tool ringwall with spin balancing structure.

6, by the described a kind of alternating current motor of claim 1, it is characterized in that the rotation axis end face of this rotor is the closure member that apical grafting one is fixed on axle bed with spin balancing structure.

7, by the described a kind of alternating current motor of claim 1 with spin balancing structure, it is characterized in that, this balancing patch system of being fixed in shell block is formed by permanent magnet rings, and the end face of the inductance loop of this rotor is established an exhausted magnetosphere and a balancing patch, and this balancing patch becomes corresponding with this permanent magnet rings and inhales mutually.

8, by claim 1 or 7 described a kind of alternating current motors, it is characterized in that the set balancing patch of inductance loop end face of this rotor is that gluing is fixed on this exhausted magnetosphere with spin balancing structure.