CN107026528B - Motor for compressor and stator thereof - Google Patents
Motor for compressor and stator thereof Download PDFInfo
- Publication number
- CN107026528B CN107026528B CN201710400931.4A CN201710400931A CN107026528B CN 107026528 B CN107026528 B CN 107026528B CN 201710400931 A CN201710400931 A CN 201710400931A CN 107026528 B CN107026528 B CN 107026528B
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- Prior art keywords
- winding
- stator
- motor
- coil
- wire
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Links
- 238000004804 winding Methods 0.000 claims abstract description 92
- 210000003298 dental enamel Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a motor for a compressor and a stator thereof, wherein the stator comprises: the stator core comprises a plurality of winding teeth, a winding groove is defined between two adjacent winding teeth, and the winding groove is provided with an inner notch; the winding comprises a plurality of coils, wherein the coils are respectively wound on a plurality of winding teeth and respectively provided with a head end and a tail end, and the head end of one coil is sequentially connected with the tail end of the next coil to form a connecting point; and the three outgoing lines are sequentially connected with the plurality of connecting points, wherein the maximum wire diameter of the wires of the winding is D, the width of the notch at the inner side is W, and the relation D+1.2mm is less than or equal to W and less than or equal to D+2.5mm is satisfied. Therefore, the full rate of the winding groove can be increased, the motor performance can be improved, the wire diameter can be reduced under the condition of single winding, the quality of the winding of the motor can be improved under the condition that the notch is unchanged, and meanwhile, the good manufacturability of the winding process of the motor is ensured.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a stator of a motor for a compressor and the motor for the compressor with the stator.
Background
In the existing motor manufacturing process, the motor windings are generally connected with the conduction relation of each phase according to a star connection method with a neutral point, rather than adopting a multi-transformation connection method without the neutral point, particularly in the field of compressor motors, the automatic winding difficulty of equipment is realized aiming at low-voltage concentrated winding products in the compressor permanent magnet motor or products requiring parallel and parallel winding of a plurality of enameled wires, and meanwhile, the wiring and outgoing line wiring of the motor are very difficult due to the parallel winding of the plurality of enameled wires; under normal conditions, the condition that the strand wires cross can appear through the wire winding mouth on the in-process of wire winding on equipment, leads to the coil space big, and the groove fullness rate is extremely low, seriously influences the performance, and in wire winding in-process, because notch width W and the restriction of maximum wire diameter D, the in-process is operated to equipment, stranded copper line is coiled and is easily appeared the line and hinder the point to influence product quality, and the wire end is too many after the wire winding is accomplished simultaneously, and the package is handled complicatly, makes single motor consumption time long.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the invention provides a stator of a motor for a compressor, which can improve the slot filling rate of the motor and the manufacturability of the motor.
The invention further provides a motor for the compressor.
The stator of the motor for the compressor according to the present invention comprises: the stator core comprises a plurality of winding teeth, a winding groove is defined between two adjacent winding teeth, and the winding groove is provided with an inner notch; the winding comprises a plurality of coils, wherein the coils are respectively wound on the winding teeth and respectively provided with a head end and a tail end, and the head end of one coil and the tail end of the next coil are sequentially connected to form a connecting point; and the three outgoing lines are sequentially connected with a plurality of connecting points, wherein the maximum wire diameter of the wires of the winding is D, the width of the notch at the inner side is W, and the relation D+1.2mm is less than or equal to W and less than or equal to D+2.5mm is satisfied.
According to the stator of the motor for the compressor, disclosed by the embodiment of the invention, the full rate of the winding groove can be increased, the motor performance can be improved, the wire diameter can be reduced under the condition of single winding, the quality of the motor winding can be improved under the condition that the notch is unchanged, and meanwhile, the good manufacturability of the motor in the winding process is ensured.
In some examples of the invention, a plurality of said connection points are circumferentially distributed and the same said lead-out wire is connected between connection points spaced apart from two said connection points.
In some examples of the invention, the head end of one coil is connected to the tail end of the next coil in a clockwise direction and forms the connection point.
In some examples of the invention, the head end of one coil is connected to the tail end of the next coil in a counter-clockwise direction and forms the connection point.
In some examples of the invention, the wire maximum wire diameter D satisfies: d is more than or equal to 0.5mm and less than or equal to 1.4mm.
In some examples of the invention, the winding slot is nine.
In some examples of the invention, the coil includes one wire.
In some examples of the invention, the coil includes at least two wires wound in parallel.
In some examples of the invention, the wire is an enameled wire.
The motor for the compressor comprises the stator.
In some examples of the invention, the motor further comprises: a rotor, the pole pair number P of the rotor and the winding slot number Z of the stator satisfy the following conditions: z/p=3/2 or Z/p=3 or Z/p=6.
Drawings
FIGS. 1 and 2 are schematic diagrams of stators according to various embodiments of the present invention, respectively;
fig. 3 is a schematic view of a winding nozzle winding on a winding tooth.
Reference numerals:
a stator 10;
a stator core 1; a winding tooth 11; a wire winding groove 12; an inner notch 13;
a winding 2; a coil 21; a head end 22; tail end 23; a connection point 24;
a lead-out wire 3;
and a winding nozzle 20.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
A stator 10 of a motor for a compressor according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1 and 2, a stator 10 according to an embodiment of the present invention may include: the stator core 1, the winding 2 and the three outgoing lines 3, the stator core 1 comprises a plurality of winding teeth 11, as shown in fig. 3, the winding teeth 11 are used for winding, and the winding nozzle 20 through which the wires are arranged can wind the wires on the winding teeth 11, wherein the wires can be enameled wires. A wire winding groove 12 is defined between two adjacent wire winding teeth 11, the wire winding groove 12 is provided with an inner notch 13, the shape of each wire winding tooth 11 is the same, and the shape of each wire winding groove 12 is the same.
In this case, fig. 3 can see the winding action of the winding nozzle 20 in the inner slot 13, for example, the winding nozzle 20 is too wide and easily contacts the inner slot 13, the winding nozzle 20 is too narrow and can lead to the short service life of the winding nozzle 20, which affects the production, and meanwhile, the hole size in the winding nozzle 20 is too small and easily causes the abrasion of the enameled wire in the winding nozzle, which leads to the wire wound, and the winding is too large and cannot be accurately positioned, which leads to the disordered winding arrangement.
Thus, the maximum wire diameter of the wires of the winding 2 is D, the width of the inner notch 13 is W, and the relation D+1.2mm.ltoreq.W.ltoreq.D+2.5 mm is satisfied. The winding 2 and the winding slot 12 satisfying the above relation can effectively reduce the diameter of the wire, thereby realizing high slot filling rate of the winding 2 more easily.
Optionally, the maximum wire diameter D of the wire satisfies: d is more than or equal to 0.5mm and less than or equal to 1.4mm. Thus, good manufacturability in the motor winding process can be ensured.
The winding 2 includes a plurality of coils 21, the plurality of coils 21 being wound around the plurality of winding teeth 11, respectively, and each coil 21 having a head end 22 and a tail end 23, the head end 22 of one coil 21 being connected in turn to the tail end 23 of the next coil 21 and forming a connection point 24. Three lead wires 3 are connected in turn to a plurality of connection points 24. The sequence refers to the sequence according to the winding sequence, wherein the sequence direction is not limited. Wherein the connection sequence direction between the head ends 22 and the tail ends 23 of the plurality of coils 21 is the same as the connection sequence direction of the lead wires 3.
For example, as shown in fig. 1, the head end 22 of one coil 21 is connected to the tail end 23 of the next coil 21 in a clockwise direction and forms a connection point 24. The number of the winding teeth 11 may be nine, and the number of the winding grooves 12 may be nine. The leading end 22 of the coil 21 on the wire-wound tooth 1a may be connected to the trailing end 23 of the coil 21 on the wire-wound tooth 9a, and the leading end 22 of the coil 21 on the wire-wound tooth 9a may be connected to the trailing end 23 of the coil 21 on the wire-wound tooth 8a, in this order, until the leading end 22 of the coil 21 on the wire-wound tooth 2a is connected to the trailing end 23 of the coil 21 on the wire-wound tooth 1 a.
As another example, as shown in fig. 2, the head end 22 of one coil 21 is connected to the tail end 23 of the next coil 21 in a counterclockwise direction and forms a connection point 24. The leading end 22 of the coil 21 on the wire-wound tooth 1a may be connected to the trailing end 23 of the coil 21 on the wire-wound tooth 2a, and the leading end 22 of the coil 21 on the wire-wound tooth 2a may be connected to the trailing end 23 of the coil 21 on the wire-wound tooth 3a, in this order, until the leading end 22 of the coil 21 on the wire-wound tooth 9a is connected to the trailing end 23 of the coil 21 on the wire-wound tooth 1 a. Thus, the wire winding nozzle 20 can have a larger space, so that the defective rate in the wire winding process can be reduced.
As shown in fig. 1 and 2, three lead wires 3 may be sequentially connected to a plurality of connection points 24 distributed circumferentially according to the order thereof, specifically, a plurality of connection points 24 are distributed circumferentially, and the same lead wire 3 is connected between the connection points 24 spaced apart from two connection points 24. The connection point 24 between the wire winding teeth 111a and 9a, the connection point 24 between the wire winding teeth 116a and 7a, and the connection point 24 between the wire winding teeth 113a and 4a are connected to the same lead wire 3. The stator 10 thus provided can improve manufacturability during winding of the motor, while improving the slot fill rate of the motor.
There are various winding manners of the coil 21, for example, the coil 21 includes one wire, that is, as shown in fig. 3, the coil 21 is wound by one wire; for another example, the coil 21 includes at least two wires wound in parallel, that is, the coil 21 is formed by winding a plurality of wires side by side, so that the motor can select a suitable winding mode of the coil 21 according to actual requirements.
Therefore, according to the stator 10 of the motor for the compressor, the filling rate of the winding grooves 12 can be improved, the motor performance can be improved, the wire diameter can be reduced under the condition of single winding, the quality of motor winding can be improved under the condition that the inner notch 13 is unchanged, and meanwhile, good manufacturability in the motor winding process is ensured.
According to an embodiment of the present invention, the motor is used for a compressor, and includes the stator 10 of the above-described embodiment. The motor may be a permanent magnet motor, where the pole pair number P of the rotor and the winding slot number Z of the stator 10 of the permanent magnet motor satisfy: z/p=3/2 or Z/p=3 or Z/p=6. The stator 10 and the rotor of the motor satisfying the above relationship are correspondingly suitable, so that the structural arrangement rationality of the motor can be ensured.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. A stator of an electric motor for a compressor, comprising:
the stator core comprises a plurality of winding teeth, a winding groove is defined between two adjacent winding teeth, and the winding groove is provided with an inner notch;
the winding comprises a plurality of coils, wherein the coils are respectively wound on the winding teeth and respectively provided with a head end and a tail end, and the head end of one coil and the tail end of the next coil are sequentially connected to form a connecting point;
three outgoing lines which are sequentially connected with a plurality of the connection points,
the maximum wire diameter of the wire of the winding is D, the width of the notch at the inner side is W, and the relation D+1.2mm is not less than W and not more than D+2.5mm is satisfied; the maximum wire diameter D of the wire meets the following conditions: d is more than or equal to 0.5mm and less than or equal to 1.4mm;
the plurality of connection points are circumferentially distributed, and the same outgoing line is connected between the connection points of the two connection points which are spaced apart.
2. The stator of a motor for a compressor according to claim 1, wherein a leading end of one coil is connected to a trailing end of the next coil in a clockwise direction and forms the connection point.
3. The stator of a motor for a compressor according to claim 1, wherein a leading end of one coil is connected to a trailing end of the next coil in a counterclockwise direction and forms the connection point.
4. The stator of the motor for a compressor according to claim 1, wherein the coil includes one wire.
5. The stator of an electric motor for a compressor as set forth in claim 1, wherein said coil includes at least two wires wound in parallel.
6. The stator of the motor for a compressor according to claim 1, wherein the wire is an enamel wire.
7. An electric motor for a compressor, characterized by comprising a stator according to any one of claims 1-6.
8. The motor for a compressor according to claim 7, further comprising: a rotor, the pole pair number P of the rotor and the winding slot number Z of the stator satisfy the following conditions: z/p=3/2 or Z/p=3 or Z/p=6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710400931.4A CN107026528B (en) | 2017-05-31 | 2017-05-31 | Motor for compressor and stator thereof |
Applications Claiming Priority (1)
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CN201710400931.4A CN107026528B (en) | 2017-05-31 | 2017-05-31 | Motor for compressor and stator thereof |
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CN107026528A CN107026528A (en) | 2017-08-08 |
CN107026528B true CN107026528B (en) | 2024-01-05 |
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Families Citing this family (2)
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CN107785672A (en) * | 2017-11-24 | 2018-03-09 | 安徽美芝精密制造有限公司 | Conductive component and there is its motor, compressor |
CN112165192B (en) * | 2020-09-30 | 2021-07-30 | 安徽美芝精密制造有限公司 | Motor structure and compressor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106300751A (en) * | 2016-08-26 | 2017-01-04 | 广东美芝制冷设备有限公司 | Compressor stator and method for winding, compressor electric motor, compressor |
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CN202172319U (en) * | 2011-07-29 | 2012-03-21 | 杭州亿能电机制造有限公司 | Motor stator winding connection structure |
CN202856481U (en) * | 2012-09-20 | 2013-04-03 | 北京富特盘式电机有限公司 | Special disk type motor stator |
CN103986303A (en) * | 2014-05-19 | 2014-08-13 | 河南城建学院 | Slotless permanent magnet linear synchronous motor and manufacturing method of slotless permanent magnet linear synchronous motor |
CN105656225B (en) * | 2016-02-17 | 2018-06-15 | 广东美芝制冷设备有限公司 | Motor and with its compressor |
CN205791831U (en) * | 2016-03-29 | 2016-12-07 | 杭州九维电机有限公司 | A kind of thick line motor stator for wheel hub motor |
CN206742992U (en) * | 2017-05-31 | 2017-12-12 | 广东美芝制冷设备有限公司 | Electric moto used in compressor and its stator |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106300751A (en) * | 2016-08-26 | 2017-01-04 | 广东美芝制冷设备有限公司 | Compressor stator and method for winding, compressor electric motor, compressor |
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