CN201533199U

CN201533199U - Electric machine stator and rotor for a refrigeration compressor

Info

Publication number: CN201533199U
Application number: CN2009201910850U
Authority: CN
Inventors: 吴建荣; 李能刚
Original assignee: ZHEJAING SHAOXING NEWSTAR MECHANICAL ELECTRIC CO Ltd
Current assignee: Zhejiang Dibei Electrical Co.,Ltd.
Priority date: 2009-08-06
Filing date: 2009-08-06
Publication date: 2010-07-21
Anticipated expiration: 2019-08-06

Abstract

The utility model discloses an electric machine stator and a rotor for a refrigeration compressor, belonging to the refrigeration compressor technical field, comprising a stator and a rotator cooperated with the stator in the stator, wherein the stator is formed by axially laminating a plurality of same stator punching slices and the rotor is formed by axially laminating a plurality of same rotor punching slices. The number of stator grooves is 24 and the width of the groove end is 1.46mm and the number of rotor grooves is 30 and eight riveting points are arranged on the stator yoke and at least four riveting points are arranged on the rotor yoke. The electric machine stator and rotor for a refrigeration compressor can reduce the use of the copper wire for stator winding, reduce the loss of the silicon steel sheet during processing the stator and has other features of uniform start torque and no dead point of the rotation when the electric machine is at work and high stator assembly efficiency.

Description

Refrigerant compressor motor stator and rotor

Technical field

The utility model relates to the improvement of motor stator and rotor, belongs to technical field of refrigeration compressors.

Background technology

In prior art, refrigerant compressor is normally used to be single-phase asynchronous motor, make by the silicon steel sheet punching press, for a plurality of stator punchings axially are stacked into stack of laminations along motor, the outside of stator is provided with the argon welding breach, be shaped to stator by stitch welding, four jiaos of punching out of stator have the fixing hole of using, stator also comprises yoke, be positioned at the endoporus and the 24 uniform road stator slots of ring endoporus of yoke central authorities, the stator slot shape of this stator punching, size is identical, and its groove top all is circular, and notch is then for pointing to the bigger semi-closed port of endoporus, flute profile is dark and big, the stator laminating structure of this stator slot design makes the silicon steel sheet loss bigger, and its stator slot is arranged and is unfavorable for reducing the consumption of wave enamel, and stator punching is welded into its inefficiency of stator, working strength height piecewise; And the rounded structure of rotor punching, make by the silicon steel sheet punching press, for a plurality of rotor punchings axially are stacked into stack of laminations along motor, the 28 road rotor that comprise annular yoke, are positioned at the axis hole of yoke central authorities and are distributed on circumferential periphery, the aluminum strip of in the rotor of stack of laminations, casting, thus rotor formed, and rotor is arranged in the stator and matches with stator, the motor that adopts this rotor and stator combination together to form, starting torque is inhomogeneous and exist to rotate the deficiency at dead point during its work.

The utility model content

The deficiency that the utility model exists at above-mentioned prior art provides a kind of refrigerant compressor motor stator and rotor, adopt this stator and rotor can make the starting torque of motor even, help reducing cost, improve the packaging efficiency of stator and rotor and reduce working strength.

For reaching above-mentioned purpose, solution of the present utility model is as follows:

Refrigerant compressor motor stator and rotor, comprise stator and be arranged on the rotor that matches with stator in the stator, stator is by the identical stacked vertically structure of stator punching of multi-disc, stator punching comprises yoke, be positioned at the endoporus of stator yoke central authorities, some roads stator slot around arrangement of bores, stator slot takes the shape of the letter U, its bottom land is flat, form semi-enclosed notch at its aperture position, rotor is by the identical stacked vertically structure of rotor punching of multi-disc, rotor punching comprises circular rotor yoke, several rotor that are positioned at the axis hole of rotor yoke central authorities and are distributed on the rotor yoke periphery, the bottom land of the identical and rotor of the shape and size of rotor, the groove top is all arc, the quantity of stator slot is 8: 10 with the ratio of the quantity of rotor, at least be provided with 4 riveting points on the stator yoke, on the rotor yoke to being provided with 3 riveting points.

The quantity of stator slot is 24 roads, and the quantity of rotor is 30 roads, and the notch of stator is of a size of 1.46mm.

The beneficial effects of the utility model are as follows:

1, stator slot is made of the flute profile of three kinds of sizes, and the flute profile miniaturization, has reduced the silicon steel sheet loss, has reduced the consumption of wave enamel.

2, stator slot is that 24 roads and rotor are the stator and the synthetic motor of rotor set in 30 roads, the even and no dead point of the rotation phenomenon of starting torque when work;

3, stator punching, rotor punching adopt the riveted joint mode to assemble stator and rotor, the packaging efficiency height, and working strength is low.

Description of drawings

Be described in further detail with regard to the utility model below in conjunction with accompanying drawing.

Fig. 1 is the structural representation after the utility model refrigerant compressor makes up with motor stator and rotor;

Fig. 2 is the utility model stator laminating structure schematic diagram;

Fig. 3 is the utility model rotor punching structural representation.

Embodiment

See also Fig. 1, Fig. 2 and Fig. 3, it is preferred embodiment of the present utility model, refrigerant compressor motor stator and rotor, comprise stator 1 and be arranged on the rotor 2 that matches with stator 1 in the stator 1, stator 1 is by the identical stacked vertically structure of stator punching 3 of multi-disc, stator punching 3 comprises stator yoke 4, be positioned at the endoporus 5 of stator yoke 4 central authorities, some roads stator slot around endoporus 5 layouts, stator slot takes the shape of the letter U, its bottom land is flat, form semi-enclosed notch 6 at its aperture position, rotor 2 is by the identical stacked vertically structure of rotor punching 7 of multi-disc, rotor punching 7 comprises circular rotor yoke 8, several rotor 10 that are positioned at the axis hole 9 of rotor yoke 8 central authorities and are distributed on rotor yoke 8 peripheries, the bottom land of the identical and rotor 10 of the shape and size of rotor 10, the groove top is all arc, the quantity of stator slot is 24 roads, the width of its notch 6 is 1.46mm, the quantity of rotor 10 is 30 roads, stator yoke 5 is provided with the riveting point 11 of 8 symmetrical distributions, and rotor yoke 8 is provided with the riveting point 12 of 4 symmetrical distributions.

Stator slot is that 24 roads and rotor 10 are the stator 1 in 30 roads and the motor that rotor 2 is combined into, the even and no dead point of the rotation phenomenon of starting torque when work.

Wherein, stator slot is made of 14,4 sulculuses 15 of 13,4 middle grooves of 16 vats, by 1 sulculus, 13,1 middle groove 14 of 14,8 vats of 15,1 middle groove and 1 sulculus 15 be one group totally 2 groups arrange axisymmetricly, notch 6 width of stator punching 3 are 1.46mm, stator slot is made of three kinds of flute profiles that vary in size, and be miniaturization Design, reduced the silicon steel sheet loss, reduced the consumption of wave enamel.

The length of stator punching 3 is 100mm, and width is 89.5mm, and the aperture of endoporus 5 is 16mm, and the external diameter of rotor punching 7 is 55mm.

Be positioned at each riveting point 11 on the stator punching 3, have the depression structure in the one side of stator punching 3 and then have teat at its another side, the riveted joint of stator 1 is that the corresponding teat of the depression of a slice stator punching 3 and adjacent a slice stator punching 3 is riveted successively to pile up and formed, be positioned at each riveting point 12 on the rotor punching 7, have the depression structure in the one side of rotor punching 7 and then have teat at its another side, rotor also adopts identical riveted structure, constitute stator 1 and rotor 2 respectively by the riveted joint mode, the packaging efficiency height, working strength is low.

After stator 1 finished with rotor 2 assemblings, rotor 2 placed the endoporus 5 of stator 1 and matches with stator 1.

Claims

1. refrigerant compressor is with motor stator and rotor, comprise stator (1) and be arranged on the rotor (2) that matches with stator (1) in the stator (1), stator (1) is by the stacked vertically structure of the identical stator punching of multi-disc (3), stator punching (3) comprises stator yoke (4), be positioned at the endoporus (5) of stator yoke (4) central authorities, some roads stator slot around endoporus (5) layout, its bottom land of stator slot is flat, form semi-enclosed notch (6) at the stator slot aperture position, rotor (2) is by the stacked vertically structure of the identical rotor punching of multi-disc (7), rotor punching (7) comprises circular rotor yoke (8), be positioned at the axis hole (9) of rotor yoke (8) central authorities and several rotor (10) that are distributed on rotor yoke (8) periphery, the shape and size of rotor (10) are identical, it is characterized in that: the ratio of the quantity of the quantity of stator slot and rotor (10) is 8: 10, at least be provided with 4 riveting points (11) on the stator yoke (4), be provided with 3 riveting points (12) on the rotor yoke (8) at least.

2. refrigerant compressor as claimed in claim 1 motor stator and rotor, be characterised in that: stator slot takes the shape of the letter U, and the quantity of stator slot is 24 roads, and the quantity of rotor (10) is 30 roads, and notch (6) width of stator (1) is 1.46mm.

3. refrigerant compressor as claimed in claim 1 motor stator and rotor, be characterised in that: described stator slot is made of 16 vats (13), 4 middle grooves (14), 4 sulculuses (15), by 1 sulculus (15), 1 middle groove (14), 8 vats (13), 1 middle groove (14), 1 sulculus (15) be one group totally 2 groups arrange axisymmetricly.