CN209434981U - Large diameter stator type high efficiency motor - Google Patents
Large diameter stator type high efficiency motor Download PDFInfo
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- CN209434981U CN209434981U CN201822181681.2U CN201822181681U CN209434981U CN 209434981 U CN209434981 U CN 209434981U CN 201822181681 U CN201822181681 U CN 201822181681U CN 209434981 U CN209434981 U CN 209434981U
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- slot
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Abstract
Large diameter stator type high efficiency motor, including rotor and stator core, rotor are formed by rotor punching closed assembly, and stator core is formed by stator lamination stacking；It is equipped with axis hole among rotor punching, rotor slot is circumferentially uniformly provided on rotor punching, rotor slot is double cage slots of closure, and the outer cage of rotor slot is circular trough, and the interior cage of rotor slot is double round bottom straight troughs；The radius R1 of circular trough is 8mm, and double round bottom straight trough top radius R2 are 6mm, and bottom radius R3 is 4mm；Distance h of the top of circular trough away from stator punching edge is 2-4mm；The outer diameter of stator punching is 400mm；Circumferentially arranged with stator slot on stator punching, stator slot is the wide semi-closed port round bottomed vessel in the narrow bottom in top；The internal diameter of the stator punching is 273mm；The width of rebate W of the stator slot is 6mm；The depth D of the stator slot is 35mm.The characteristics of large diameter stator type high efficiency motor of the utility model has production cost low, operational efficiency height and long service life.
Description
Technical field
The utility model relates to motor fields, and in particular to a kind of large diameter stator type high efficiency motor.
Background technique
Motor includes stator and rotor.Rotor is the rotating part inside motor, by silicon steel sheet (rotor punching)
Closed assembly forms.Stator is the mechanism of motor power output, fixed part is belonged to inside motor, by silicon steel sheet (stator
Punching) closed assembly forms, and is embedded with coil windings, and after motor is powered, winding generates rotating excitation field, and drive rotor rotation is realized
Kinetic energy output.
Fixed/rotor punching is the key components and parts of motor, and main function is coiling, magnetic conduction, and heat dissipation, material, ruler
Very little, shape etc. has direct influence to the energy consumption of motor, working efficiency, noise and service life.
201420610916.4 number Chinese utility model patent (204131352 U of CN) discloses a kind of rotor for electromotor
Punching, the rotor punching include punching ontology and the closed slot along the setting of punching ontology circumference, and closed slot is double cage flute profiles, including
Upper slot and lower cage, upper slot and lower cage are connected by neck.The closed slot that the rotor punching uses, effectively reduces slot ripples to electricity
The influence of machine performance, reduces stray loss, improves efficiency.Although the utility model does not increase the investment of raw material,
Also without the investment of reduction raw material, there are still certain limitations.
Utility model content
The purpose of this utility model is to provide a kind of large diameter stator type high efficiency motor, the large diameter of the utility model is fixed
The characteristics of subtype high efficiency motor has production cost low, operational efficiency height and long service life.
The technical solution of the utility model includes: large diameter stator type high efficiency motor, including rotor and stator core, it is described
Rotor is formed by rotor punching closed assembly, and the stator core is formed by stator lamination stacking；The stator punching periphery is set
There is one group of cramp slot；It is equipped with axis hole among the rotor punching, is circumferentially uniformly provided with rotor slot on the rotor punching, institute
Double cage slots that rotor slot is closure are stated, the outer cage of rotor slot is circular trough, and the interior cage of rotor slot is double round bottom straight troughs；The circle
The radius R1 of slot is 8mm, and double round bottom straight trough top radius R2 are 6mm, and bottom radius R3 is 4mm；The top of the circular trough
Distance h of the portion away from stator punching edge is 2-4mm；The outer diameter of the stator punching is 400mm；Along week on the stator punching
To stator slot is equipped with, the stator slot is the wide semi-closed port round bottomed vessel in the narrow bottom in top；The internal diameter of the stator punching is
273mm；The width of rebate W of the stator slot is 6mm；The depth D of the stator slot is 35mm.
Compared with prior art, in the large diameter stator type high efficiency motor of the utility model, stator punching is identical in outer diameter
In the case where, internal diameter (standard GB/T/T 28575-2012 bigger by 5% than standard GB/T/T 28575-2012 regulation internal diameter
Defined stator punching internal diameter is 260mm), arrange in pairs or groups specific shape, size, the flute profile of distribution, enamel covered wire coiling total amount subtract
It is few, it is possible to reduce 15% copper wire cost, manufacturing cost are reduced, and the yoke portion magnetic density of stator slot is larger, is effectively reduced
The dispersion loss of motor, motor delivery efficiency are more than standard GB/T/T 28575-2012 outputting standard 2%, improve material
The utilization rate of material and the delivery efficiency of motor；Meanwhile the rotor punching of particular configuration makes the detent torque of motor larger, subtracts
Few loss of electric machine has the function of improving electrical machinery life.
As optimization, 40 rotor slots are uniformly provided on the rotor punching；48 are uniformly provided on the stator punching
Stator slot.At this point, motor torque ripple is small, run smoothly, while the commutator segment voltage of motor is smaller, to make commutation fire
Spend relatively small, the service life and anti-interference ability of motor are stronger, and noise is smaller.
As optimization, the groove depth H of the rotor slot is 63mm, and the top of the circular trough is away from the distance at stator punching edge
H is 2mm.The rotor slot of specific standard is arranged in the edge of rotor punching, rotor leakage loss is low, can be further improved
Motor delivery efficiency, meanwhile, revolutional slip when torque capacity, generation torque capacity of the closed slot structure to motor can be mitigated,
And the adverse effect that detent torque generates.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the stator punching of the large diameter stator type high efficiency motor of the utility model；
Fig. 2 is the enlarged diagram of B circle inner part in Fig. 1；
Fig. 3 is the structural schematic diagram of the rotor punching of the large diameter stator type high efficiency motor of the utility model；
Fig. 4 is the enlarged diagram of A circle inner part in Fig. 3；
Fig. 5 is the structural schematic diagram (not drawing casing, shaft) of the large diameter stator type high efficiency motor of the utility model.
The label in accompanying drawing is: 1- rotor punching；11- axis hole；12- rotor slot；The bis- round bottom straight troughs of 121-；122- is round
Slot；2- stator punching；21- stator slot；22- cramp slot.
Specific embodiment
(embodiment) is further described the utility model with reference to the accompanying drawings and detailed description, but does not make
For the foundation limited the utility model.
As shown in Figures 1 to 5, large diameter stator type high efficiency motor, including rotor and stator core, the motor turn
Son is formed by 1 closed assembly of rotor punching, and the stator core is formed by 2 closed assembly of stator punching；2 periphery of stator punching is equipped with one
Group cramp slot 22；Its main feature is that: it is equipped with axis hole 11 among the rotor punching 1, is circumferentially uniformly opened up on the rotor punching 1
Have a rotor slot 12, the rotor slot 12 is double cage slots of closure, and the outer cage of rotor slot 12 is circular trough 122, rotor slot 12 it is interior
Cage is double round bottom straight troughs 121；The radius R1 of the circular trough 122 is 8mm, and double 121 top radius R2 of round bottom straight trough are
6mm, bottom radius R3 are 4mm；Distance h of the top of the circular trough 122 away from 2 edge of stator punching is 2-4mm；Motor opens
When dynamic, reactance serves larger, and much larger than circular trough 122, electric current mainly walks circular trough 122 for the reactance of double round bottom straight troughs 121, by
There is lesser reactance in circular trough 122, so circular trough 122 will generate higher detent torque, to drive rotor to rotate；Motor
When normal work, resistance plays a major role, and electric current mainly walks double round bottom straight troughs 121, and generates main operation torque, increases
The detent torque of motor；The outer diameter of the stator punching 2 is 400mm；Circumferentially arranged with stator slot 21 on the stator punching 2,
The stator slot 21 is the wide semi-closed port round bottomed vessel in the narrow bottom in top；The internal diameter of the stator punching 2 is 273mm；The stator
The width of rebate W of slot 21 is 6mm；The depth D of the stator slot 21 is 35mm.
In the large diameter stator type high efficiency motor of the utility model, stator punching 2 is in the identical situation of outer diameter, internal diameter ratio
Big by the 5% (stator punching as defined in standard GB/T/T 28575-2012 of standard GB/T/T 28575-2012 regulation internal diameter
Internal diameter is 260mm), arrange in pairs or groups specific shape, size, the flute profile of distribution, enamel covered wire coiling total amount are reduced, it is possible to reduce 15%
Copper wire cost, manufacturing cost are reduced, and the yoke portion magnetic density of stator slot 21 is larger, and the dispersion loss of motor is effectively reduced,
Motor delivery efficiency is more than standard GB/T/T 28575-2012 outputting standard 2%, improves the utilization rate and electricity of material
The delivery efficiency of machine；Meanwhile the rotor punching 1 of particular configuration makes the detent torque of motor larger, reduces the loss of electric machine, has
Improve the effect of electrical machinery life.
As a specific embodiment:
40 rotor slots 12 are uniformly provided on the rotor punching 1.48 stator slots are uniformly provided on the stator punching 2
21.At this point, motor torque ripple is small, run smoothly, while the commutator segment voltage of motor is smaller, to make commutation spark phase
To smaller, the service life and anti-interference ability of motor are stronger, and noise is smaller.
The groove depth H of the rotor slot 12 is 63mm, and the top of the circular trough 122 is away from the distance h at 2 edge of stator punching
2mm.The rotor slot 12 of specific standard is arranged in the edge of rotor punching 1, rotor leakage loss is low, can be further improved
Motor delivery efficiency, meanwhile, revolutional slip when torque capacity, generation torque capacity of the closed slot structure to motor can be mitigated,
And the adverse effect that detent torque generates.
The above-mentioned generality to utility model involved in the application is described and is not answered the description of its specific embodiment
It is not understood as the limitation constituted to the utility model technical solution.Those skilled in the art, can according to disclosure herein
With under the premise of without prejudice to related utility model constituent element, to above-mentioned general description or/and specific embodiment
Public technology feature in (including embodiment) is increased, reduced or is combined, and formation belongs within the application protection scope
Other technical solutions.
Claims (3)
1. large diameter stator type high efficiency motor, including rotor and stator core, the rotor is folded by rotor punching (1)
It fills, the stator core is formed by stator punching (2) closed assembly；Stator punching (2) periphery is equipped with one group of cramp slot
(22)；
It is characterized by:
It is equipped with the axis hole (11) for installing shaft in the middle part of the rotor punching (1), on the rotor punching (1) circumferentially uniformly
It offering rotor slot (12), the rotor slot (12) is double cage slots of closure, and the outer cage of rotor slot (12) is circular trough (122),
The interior cage of rotor slot (12) is double round bottom straight troughs (121)；The radius R1 of the circular trough (122) is 8mm, double round bottom straight troughs
(121) top radius R2 is 6mm, and bottom radius R3 is 4mm；The top of the circular trough (122) is away from stator punching (2) edge
Distance h is 2-4mm；
The outer diameter of the stator punching (2) is 400mm；It is described fixed circumferentially arranged with stator slot (21) on the stator punching (2)
Pilot trench (21) is the wide semi-closed port round bottomed vessel in the narrow bottom in top；The internal diameter of the stator punching (2) is 273mm；The stator slot
(21) width of rebate W is 6mm；The depth D of the stator slot (21) is 35mm.
2. large diameter stator type high efficiency motor according to claim 1, it is characterised in that: on the rotor punching (1)
It is even to be equipped with 40 rotor slots (12)；48 stator slots (21) are uniformly provided on the stator punching (2).
3. large diameter stator type high efficiency motor according to claim 2, it is characterised in that: the groove depth of the rotor slot (12)
H is 63mm, and the top of the circular trough (122) is 2mm away from the distance h at stator punching (2) edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822181681.2U CN209434981U (en) | 2018-12-25 | 2018-12-25 | Large diameter stator type high efficiency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822181681.2U CN209434981U (en) | 2018-12-25 | 2018-12-25 | Large diameter stator type high efficiency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209434981U true CN209434981U (en) | 2019-09-24 |
Family
ID=67973265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822181681.2U Active CN209434981U (en) | 2018-12-25 | 2018-12-25 | Large diameter stator type high efficiency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209434981U (en) |
-
2018
- 2018-12-25 CN CN201822181681.2U patent/CN209434981U/en active Active
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