CN208353103U - Motor, compressor and refrigeration equipment - Google Patents
Motor, compressor and refrigeration equipment Download PDFInfo
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- CN208353103U CN208353103U CN201821213238.2U CN201821213238U CN208353103U CN 208353103 U CN208353103 U CN 208353103U CN 201821213238 U CN201821213238 U CN 201821213238U CN 208353103 U CN208353103 U CN 208353103U
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Abstract
The utility model discloses a kind of motor, compressor and refrigeration equipments, motor includes: stator, stator includes stator core and multiple stator winding, stator winding is copper winding, stator core has centre bore and multiple stator slots, and multiple stator slots are provided at circumferentially spaced along centre bore, and the sum of the projected area of multiple stator slots on datum level is S1, stator winding portion is limited between adjacent stator slots, stator winding is wound around in stator winding portion；Rotor, rotor is rotatably arranged in centre bore, rotor includes rotor core and multiple rotor windings, rotor windings are aluminium winding, it is formed on rotor core multiple along its circumferentially spaced rotor slot, the sum of the projected area of multiple rotor slots on datum level is S2, wherein S1 and S2 meets: 0.43≤S2/S1≤0.5.Motor according to the present utility model, in the case where guaranteeing electric efficiency, can relative reduction motor cost, improve motor cost performance.
Description
Technical field
The utility model relates to technical field of motors, more particularly, to a kind of motor, compressor and refrigeration equipment.
Background technique
In existing little power single phase induction machine, the copper loss (resistance loss) of stator account about total losses 30~
50%, so it is often conventional means that copper loss, which is greatly reduced, during motor energy efficiency is promoted.But it is usually logical for reducing copper loss
The copper consumption for increasing stator winding is crossed to realize, that is, passes through to increase and improves electric efficiency at original, will cause the cost performance of motor
It is low.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
Gone out a kind of motor, in the case where guaranteeing electric efficiency, can relative reduction motor cost, improve motor cost performance.
The utility model also proposed a kind of compressor with above-mentioned motor.
The utility model also proposed a kind of refrigeration equipment with above-mentioned compressor.
According to the motor of the utility model embodiment, comprising: stator, the stator include stator core and multiple stators around
Group, the stator winding are copper winding, and the stator core has centre bore and multiple stator slots, and multiple stator slots are along institute
Being provided at circumferentially spaced for centre bore is stated, the sum of the projected area of multiple stator slots on datum level is S1, adjacent described fixed
Stator winding portion is limited between pilot trench, the stator winding is wound around in the stator winding portion, and the datum level is vertical
In the plane of the central axis of the centre bore；Rotor, the rotor are rotatably arranged in the centre bore, the rotor packet
Rotor core and multiple rotor windings are included, the rotor windings are aluminium winding, are formed on the rotor core multiple along its week
To spaced rotor slot, the sum of the projected area of multiple rotor slots on the datum level is S2, adjacent described turn
Rotor winding portion is limited between pilot trench, the rotor windings are wound around in the rotor winding portion, wherein the S1 and described
S2 meets: 0.43≤S2/S1≤0.5.
According to the motor of the utility model embodiment, by making stator winding be copper winding, rotor windings are aluminium winding,
And S1 and S2 meets: 0.43≤S2/S1≤0.5, as a result, by increasing the sum of projected area of the rotor slot on datum level S2,
The revolving speed and torque capacity of rotor can be increased, and improving for torque capacity can be provided to the effective turn of stator increase stator winding
Space, if keeping the number of turns of stator winding constant, reduces the line of stator winding so that the excitation current of stator winding can be reduced
Diameter reduces the copper consumption of stator winding, so as to maintain the copper loss of stator constant, thus the case where guaranteeing the efficiency of motor
Under, the use aluminum amount of rotor windings is increased, while reducing the copper consumption of stator winding, and the cost four that the cost of aluminium is copper is divided
One of, so can relative reduction motor cost, improve cost performance.
In some embodiments of the utility model, the diameter of the centre bore is D1, and the outer diameter of the stator core is
D2, wherein the D1 and D2 meets: 0.52≤D1/D2≤0.55.
In some embodiments of the utility model, the stator slot is 28.
In some embodiments of the utility model, the rotor slot is closed slot.
In some embodiments of the utility model, the inner end of each stator slot is connected by notch and the centre bore
It is logical.
Optionally, the stator core is overrided to form by multiple silicon steel plates, and the inner end in each stator winding portion is formed
There is stopper section, the notch is limited between the adjacent stopper section, the stopper section has inner edge line and border line, described interior
Minimum range H between edge line and the border line meets: t≤H≤3t, wherein t is the thickness of the silicon steel plate.
In some optional embodiments of the utility model, the thickness t of the silicon steel plate meets: 0.3mm≤t≤1mm.
According to the compressor of the utility model embodiment, including compression mechanism and above-mentioned motor, the motor driven institute
State compression mechanism work.
According to the compressor of the utility model embodiment, by the way that above-mentioned motor is arranged, guaranteeing electric efficiency as a result,
In the case of, the filling space of rotor windings is increased, that is, increases the use aluminum amount of rotor windings, while reducing stator winding
Copper consumption, and the cost of aluminium is the cost a quarter of copper, so as to the cost of relative reduction motor, improves cost performance.
According to the refrigeration equipment of the utility model embodiment, including above-mentioned compressor.
Be conducive to raising refrigeration by the way that above-mentioned compressor is arranged according to the refrigeration equipment of the utility model embodiment and set
Standby cost performance.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the cross section structure schematic diagram of motor according to the present utility model；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the schematic cross-section of stator core and rotor core according to the present utility model.
Appended drawing reference:
Motor 100；
Stator 1；Stator core 11；Stator winding portion 111；Stopper section 112；Inner edge line 112a；Border line 112b；Stator slot
11a；Notch 11b；Centre bore 113；Stator winding 12；
Rotor 2；Rotor core 21；Rotor slot 21a；Rotor winding portion 211；Rotor windings 22.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to Fig. 1-Fig. 3 description according to the motor 100 of the utility model embodiment.For example, motor 100 can be single-phase
Induction machine.
As shown in Figure 1-Figure 3, according to the motor of the utility model embodiment 100, including stator 1 and rotor 2, stator 1 is wrapped
Stator core 11 and multiple stator winding 12 are included, stator winding 12 is copper winding, it is to be understood that the copper loss of stator winding 12
(resistance loss) accounting in the power loss of motor 100 is maximum, by make stator winding 12 be the higher copper of conductivity around
Group is conducive to the working efficiency for improving motor 100, reduces cost.
As shown in figure 3, stator core 11 has centre bore 113 and multiple stator slot 11a, multiple stator slot 11a are along center
Hole 113 is provided at circumferentially spaced, and the sum of projected area on datum level of multiple stator slot 11a is S1, wherein datum level is
Perpendicular to the plane of the central axis of centre bore 113, the area in the section of each stator slot 11a can be the same or different.
As shown in Figure 1, limiting stator winding portion 111 between adjacent stator slots 11a, stator winding 12 is wound around stator winding portion 111
On.
As shown in Figure 1, rotor 2 is rotatably arranged in centre bore 113, rotor 2 includes rotor core 21 and multiple rotors
Winding 22, rotor windings 22 be aluminium winding, it should be noted that for cage rotor technique and motor cost the considerations of, turn
Sub- winding 22 often uses aluminium.It is formed on rotor core 21 multiple along its circumferentially spaced rotor slot 21a, multiple rotors
The sum of projected area on datum level of slot 21a is S2, which is the flat of the central axis perpendicular to centre bore 113
Face limits rotor winding portion 211 between adjacent rotor slot 21a, and rotor windings 22 are wound around in rotor winding portion 211, wherein
S1 and S2 meets: 0.43≤S2/S1≤0.5.
It is understood that motor 100 passes through opposite gross area S2 (the i.e. increase rotor windings 22 for increasing rotor slot 21a
Filling space, thus will increase rotor windings 22 with aluminum amount) increase the revolving speed and torque capacity of rotor 2,2 revolving speed of rotor
Raising can reduce rotor 2 aluminium damage, and torque capacity improve can to stator 1 increase stator winding 12 effective turn provide
Space, if keeping the number of turns of stator winding 12 constant, reduces stator winding 12 so that the excitation current of stator winding 12 can be reduced
The line footpath copper consumption of stator winding 12 (reduce) guaranteeing motor as a result, so as to maintain the copper loss of stator 1 constant
In the case where efficiency, the use aluminum amount of rotor windings 22 is increased, the copper consumption of stator winding 12 is reduced, and the cost of aluminium is copper
Cost a quarter improve cost performance so as to the cost of relative reduction motor 100.
According to the motor 100 of the utility model embodiment, by making stator winding 12 be copper winding, rotor windings 22 are
Aluminium winding, and S1 and S2 meets: 0.43≤S2/S1≤0.5 passes through the projection on datum level of increase rotor slot 21a as a result,
The sum of area S2, it is possible to increase the revolving speed and torque capacity of rotor 2, and the raising of torque capacity can increase stator winding to stator 1
12 effective turn provides space, so that the excitation current of stator winding 12 can be reduced, if keeping the number of turns of stator winding 12 not
Become, reduces the line footpath of stator winding 12, that is, reduce the copper consumption of stator winding 12, so as to maintain the copper loss of stator 1 constant, from
And in the case where guaranteeing the efficiency of motor 100, the use aluminum amount of rotor windings 22 is increased, while reducing stator winding 12
Copper consumption, and the cost of aluminium is the cost a quarter of copper, so can relative reduction motor 100 cost, improve cost performance.
In some embodiments of the utility model, as shown in figure 3, the diameter of centre bore 113 is D1, stator core 11
Outer diameter is D2, wherein D1 and D2 meets: 0.52≤D1/D2≤0.55.113 diameter D1 of centre bore is suitably increased as a result,
Be conducive to increase the diameter of rotor core 21, to be advantageously implemented the S2 for increasing rotor slot 21a.
In some embodiments of the utility model, as shown in figures 1 and 3, stator slot 11a is 28.Lead to as a result,
The number for increasing stator slot 11a is crossed, advantageously reduces the leakage reactance of stator slot 11a, and then improve the torque capacity of rotor 2, favorably
In the excitation current for reducing stator winding 12.
In some embodiments of the utility model, as shown in figures 1 and 3, rotor slot 21a is closed slot.It needs to illustrate
, rotor slot 21a is formed as closed annular for the section that closed slot can be understood as rotor slot 21a, to simplify rotor 2
Manufacturing process and management easy to produce, usually to rotor 2 use aluminum process, i.e., disposably by the rotor in rotor slot 21a around
The end interconnecting piece die cast of group 22 and rotor core 21 can be prevented by making rotor slot 21a be closed slot in die casting
Molten aluminum is overflowed in journey.
In some embodiments of the utility model, shown referring to Figures 1 and 2, the inner end of each stator slot 11a passes through slot
Mouth 11b is connected to centre bore 113.It is easy to stator winding 12 being partially submerged into stator slot 11a as a result, meets insertion technique
It is required that.
Optionally, stator core 11 is overrided to form by multiple silicon steel plates, for example, the thickness t of silicon steel plate can satisfy:
0.3mm≤t≤1mm, thus, it is possible to be effectively reduced the loss of stator core 11.The inner end in each stator winding portion 111 is formed
There is stopper section 112, notch 11b is limited between adjacent stopper section 112, stopper section 112 has inner edge line 112a and border line
112b, the minimum range H between inner edge line 112a and border line 112b meet: t≤H≤3t.Wherein, cutting in stator core 11
On face, the inner edge line 112a and border line 112b of stopper section 112 is oppositely arranged, and inner edge line 112a is formed in the neighbour of stopper section 112
The side of nearly centre bore 113, border line 112b are formed in the side of the separate centre bore 113 of stopper section 112, are conducive to as a result,
The magnetic density of stator yoke is reduced, excitation current and copper loss are reduced, improves the efficiency of motor 100.
Specifically, the height H of notch 11b determines stator slot 11a away from stator core 11 when 1 internal diameter of stator is identical
The distance between outer circle (i.e. the width of 1 yoke of stator), as shown in Fig. 2, reducing stator yoke if the height H of notch 11b is excessive
The effect of width is unobvious, to be unfavorable for reducing the magnetic density of stator yoke, and then is unfavorable for reducing excitation current and copper loss, mention
High electric efficiency.If the height H of notch 11b is too small, the intensity of stopper section 112 is insufficient, be easy to cause centre bore 113 circularity and
Cylindricity is bad, as a result, according to the stator core of the utility model embodiment 11, by limiting notch 11b height, so as to
Effectively improve the above problem.
Below with reference to Fig. 1-Fig. 3 with a specific embodiment detailed description according to the motor of the utility model embodiment
100.It is worth understanding, it is described below to be merely illustrative, rather than to the concrete restriction of utility model.
As shown in Figure 1-Figure 3, according to the motor of the utility model embodiment 100, including stator 1 and rotor 2, stator 1 is wrapped
Stator core 11 and multiple stator winding 12 are included, stator winding 12 is copper winding.Wherein, motor 100 is single phase induction motor
100。
As shown in Figure 1, stator core 11 has centre bore 113 and 28 stator slot 11a, 28 stator slots
11a is provided at circumferentially spaced along centre bore 113, specifically, as shown in figure 3, the diameter of centre bore 113 is D1, stator core 11
Outer diameter be D2, wherein D1 and D2 meet: D1/D2=0.522.
As depicted in figs. 1 and 2, the inner end of each stator slot 11a is connected to by notch 11b with centre bore 113, notch 11b
Center-to-Center hole 113 the line of centres be slot line of symmetry X, the inner end in each stator winding portion 111 is formed with stopper section
112, stopper section 112 extends along the direction perpendicular to corresponding (i.e. with its distance nearest) slot line of symmetry X, adjacent stopper section
Notch 11b is limited between 112.
Stator core 11 is overrided to form by multiple silicon steel plates, and the thickness t of silicon steel plate meets: t=0.5mm, as shown in Fig. 2,
Stopper section 112 has inner edge line 112a and border line 112b, and the minimum range H between inner edge line 112a and border line 112b is full
Foot: H=2t.
As shown in figure 3, the sum of the projected area of multiple stator slot 11a on datum level is S1, between adjacent stator slots 11a
Stator winding portion 111 is limited, stator winding 12 is wound around in stator winding portion 111, wherein datum level is perpendicular to centre bore
The plane of 113 central axis.
As shown in Figure 1, rotor 2 is rotatably arranged in centre bore 113, rotor 2 includes rotor core 21 and multiple rotors
Winding 22, rotor windings 22 are aluminium winding, are formed on iron core multiple along its circumferentially spaced rotor slot 21a, rotor slot
21a is closed slot, and the sum of the projected area of multiple rotor slot 21a on said reference face is S2, is limited between adjacent rotor slot 21a
Rotor winding portion 211 is made, rotor windings 22 are wound around in rotor winding portion 211, wherein S1 and S2 meets: S2/S1=
0.461。
According to the compressor of the utility model embodiment, including compression mechanism and according to the utility model above-described embodiment
Motor 100, motor 100 drive compression mechanism work.
According to the compressor of the utility model embodiment, by the way that the motor according to the utility model above-described embodiment is arranged
100, as a result, in the case where guaranteeing 100 efficiency of motor, increase the filling space of rotor windings 22, that is, increase rotor around
The use aluminum amount of group 22, while the copper consumption of stator winding 12 is reduced, and the cost of aluminium is the cost a quarter of copper, so as to
The cost of relative reduction motor 100 improves cost performance.
According to the refrigeration equipment of the utility model embodiment, including the compressor according to the utility model above-described embodiment.
According to the refrigeration equipment of the utility model embodiment, by the way that the compression according to the utility model above-described embodiment is arranged
Machine is conducive to the cost performance for improving refrigeration equipment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (9)
1. a kind of motor characterized by comprising
Stator, the stator include stator core and multiple stator winding, and the stator winding is copper winding, the stator core
With centre bore and multiple stator slots, the multiple stator slot being provided at circumferentially spaced along the centre bore, multiple stators
The sum of the projected area of slot on datum level is S1, limits stator winding portion between the adjacent stator slot, the stator around
Group is wound around in the stator winding portion, and the datum level is the plane perpendicular to the central axis of the centre bore；
Rotor, the rotor are rotatably arranged in the centre bore, and the rotor includes rotor core and multiple rotor windings,
The rotor windings are aluminium winding, are formed on the rotor core multiple along its circumferentially spaced rotor slot, Duo Gesuo
Stating the sum of the projected area of rotor slot on the datum level is S2, limits rotor winding portion between the adjacent rotor slot,
The rotor windings are wound around in the rotor winding portion, wherein the S1 and S2 meets: 0.43≤S2/S1≤0.5.
2. motor according to claim 1, which is characterized in that the diameter of the centre bore is D1, the stator core
Outer diameter is D2, wherein the D1 and D2 meets: 0.52≤D1/D2≤0.55.
3. motor according to claim 1, which is characterized in that the stator slot is 28.
4. motor according to claim 1, which is characterized in that the rotor slot is closed slot.
5. motor according to claim 1, which is characterized in that the inner end of each stator slot by notch and it is described in
The connection of heart hole.
6. motor according to claim 5, which is characterized in that the stator core is overrided to form by multiple silicon steel plates, often
The inner end in a stator winding portion is formed with stopper section, and the notch, the backstop are limited between the adjacent stopper section
Portion has inner edge line and border line, and the minimum range H between the inner edge line and the border line meets: t≤H≤3t, wherein
T is the thickness of the silicon steel plate.
7. motor according to claim 6, which is characterized in that the thickness t of the silicon steel plate meets: 0.3mm≤t≤1mm.
8. a kind of compressor, which is characterized in that including compression mechanism and according to claim 1 motor described in any one of -7,
The work of compression mechanism described in the motor driven.
9. a kind of refrigeration equipment, which is characterized in that including compressor according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213238.2U CN208353103U (en) | 2018-07-27 | 2018-07-27 | Motor, compressor and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213238.2U CN208353103U (en) | 2018-07-27 | 2018-07-27 | Motor, compressor and refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208353103U true CN208353103U (en) | 2019-01-08 |
Family
ID=64906141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821213238.2U Active CN208353103U (en) | 2018-07-27 | 2018-07-27 | Motor, compressor and refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208353103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193609A1 (en) * | 2021-03-15 | 2022-09-22 | 安徽美芝精密制造有限公司 | Electric motor, compressor and refrigeration apparatus |
| US11973370B2 (en) | 2021-03-15 | 2024-04-30 | Anhui Meizhi Precision Manufacturing Co., Ltd. | Motor, compressor and refrigeration device |
-
2018
- 2018-07-27 CN CN201821213238.2U patent/CN208353103U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193609A1 (en) * | 2021-03-15 | 2022-09-22 | 安徽美芝精密制造有限公司 | Electric motor, compressor and refrigeration apparatus |
| US11973370B2 (en) | 2021-03-15 | 2024-04-30 | Anhui Meizhi Precision Manufacturing Co., Ltd. | Motor, compressor and refrigeration device |
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