CN202374077U - Three-phase double-layer laminated multi-concentric-type motor winding - Google Patents
Three-phase double-layer laminated multi-concentric-type motor winding Download PDFInfo
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- CN202374077U CN202374077U CN2011205559451U CN201120555945U CN202374077U CN 202374077 U CN202374077 U CN 202374077U CN 2011205559451 U CN2011205559451 U CN 2011205559451U CN 201120555945 U CN201120555945 U CN 201120555945U CN 202374077 U CN202374077 U CN 202374077U
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Abstract
The utility model provides a three-phase double-layer laminated multi-concentric-type motor winding, which comprises an iron core, wherein the iron core is provided with a winding slot, a winding coil is wound in the winding slot, the winding slot is internally provided with two layers of coils, and the two layers of coils are of concentric-type structures. According to the three-phase double-layer laminated multi-concentric-type motor winding, the two layers of coils are of the concentric-type structures, and the winding slot is internally provided with two layers of coils, the overall length of the winding coil is shortened, the wire diameter is reduced, so that a ratio of the overall length of the winding coil to the wire diameter of the winding coil is reduced, therefore the resistance of the winding coil is reduced, the using amount of copper wires is saved, and the manufacturing cost is saved; in addition, the harmonic components of magnetic potential and electric potential of the motor winding are effectively reduced, so that the whole performance of a motor is improved, and therefore the output power of the motor is increased.
Description
Technical field
The utility model designs a kind of motor windings, relates in particular to the double-deck many concentric types of lap wound of a kind of three-phase motor windings.
Background technology
Motor is the equipment that converts electric energy to mechanical energy, and it is to process according to hot-wire coil principle of stressed rotation in magnetic field, and motor all is widely used in every field, and motor windings then is the heart of motor, and motor windings is directly connected to motor properties.
The prior motor winding can be divided into single layer winding and two layer winding; Single layer winding is divided into individual layer staggered form, individual layer concentric type and individual layer chained scheduling winding again; Motor windings has following basic demand: one, under certain conductor number, obtain bigger first-harmonic electromotive force and fundamental magnetic potential; Two, concerning first-harmonic, triphasic potential and magnetic potential must symmetries in three phase windings, i.e. three-phase equal and opposite in direction and differ 120 ° on the phase place, and the impedance of three-phase also must equate; Three, should approach just profound ripple on electromotive force and the mmf wave, require the harmonic component in electromotive force and the magnetic potential must be as much as possible little for this reason; Four, copper consumption will lack, and insulation property and mechanical strength are reliable, perfect heat-dissipating; Five, manufacturing process is simple, makes maintenance convenient.The advantage of single layer winding is to have only a coil side in the groove, rolls off the production line than is easier to, and does not have interlayer insulating film, and the utilance of groove is compared higher, but can not select the pitch of coil to weaken the harmonic component of electromotive force and magnetic potential flexibly, and the reactance of leaking electricity is also bigger; Two layer winding is divided into lap winding and wave winding again, and existing three phase electric machine generally adopts double-deck lap winding, and copper consumption is bigger, and when directly reducing with the length of winding copper cash and line, resistance reduces, and increases no-load current, causes loss.
Therefore, need to propose the double-deck many concentric types of lap wound of a kind of three-phase winding, reducing winding wire astragal footpath and copper cash length; And resistance is reduced, increase effective output, simultaneously; Effectively eliminate the electromotive force of motor windings and the harmonic component of magnetic potential, improve motor properties.
The utility model content
In view of this, the double-deck many concentric types of lap wound of a kind of three-phase motor windings that the utility model provides makes the winding coil overall length shorten; Line directly reduces, and makes the winding coil total length and the ratio in the line footpath of winding coil reduce, and the resistance of winding coil reduces; But increase effective output; Save the use amount of copper cash, practiced thrift manufacturing cost, and made the electromotive force of motor windings and the harmonic component of magnetic potential effectively reduce.
The double-deck many concentric types of lap wound of a kind of three-phase motor windings that provides of the utility model comprises iron core, and said iron core is provided with winding slot, is wound with winding coil in the said winding slot, is two-layer coil in the said winding slot, and said two-layer coil is the concentric type structure;
Further, the double-deck many concentric types of lap wound of said three-phase motor windings is positioned at the equal turn numbers of the two-layer coil of each winding slot;
Further, the pitch of the double-deck many concentric types of lap wound of three-phase motor windings is for striding 5, striding 7 and stride 9 formation concentric type structures;
Further; The double-deck many concentric types of lap wound of said three-phase motor windings, its inserting method is: with under one side of A phase coil in 1 groove, 2 grooves and 3 grooves, under one side of B phase coil in 4 grooves, 5 grooves and 6 grooves; Under one side of C phase coil in 7 grooves, 8 grooves and 9 grooves; In said 7 grooves under the another side of C phase coil in 3 grooves the A phase coil on, on the A phase coil under the another side of the C phase coil in said 8 grooves in 2 grooves, in said 9 grooves under the another side of C phase coil in said 1 groove the A phase coil on; According to this method, other grooves also roll off the production line like above-mentioned method.
The beneficial effect of the utility model: the double-deck many concentric types of lap wound of the three-phase of the utility model motor windings, adopt said two-layer coil to be the concentric type structure, be two-layer coil in the said winding slot; Make the winding coil overall length shorten like this, line directly reduces, and makes the winding coil total length and the ratio in the line footpath of winding coil reduce; Therefore reduced the resistance of winding coil; But reduced no-load current to a certain extent, increased effective output, reduced coil heating; Save the use amount of copper cash, practiced thrift manufacturing cost; And, effectively reduce the magnetic potential of motor windings and the harmonic component of electromotive force, make the overall performance of motor improve, make the power output of motor increase.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Fig. 1 is the structural representation of the utility model.
Embodiment
Fig. 1 is the structural representation of the utility model, and is as shown in the figure, the double-deck many concentric types of lap wound of the three-phase of present embodiment motor windings; Comprise iron core, said iron core is provided with winding slot, is wound with winding coil in the said winding slot; Be two-layer coil in the said winding slot, said two-layer coil is the concentric type structure, makes the winding coil overall length shorten; Line directly reduces, and makes the winding coil total length and the ratio in the line footpath of winding coil reduce, and has therefore reduced the resistance of winding coil; Save the use amount of copper cash, practiced thrift manufacturing cost; And help reducing the magnetic potential of motor windings and the harmonic component of electromotive force, improve the performance of motor windings.
In the present embodiment, the double-deck many concentric types of lap wound of said three-phase motor windings is positioned at the equal turn numbers of the two-layer coil of each winding slot, can weaken the harmonic component of electromotive force and magnetic potential effectively, the performance of raising motor windings.
In the present embodiment, the double-deck many concentric types of lap wound of said three-phase motor windings pitch is for striding 5, striding 7 and stride 9 and form the concentric type structures, and the minimizing of pitch makes and used copper cash length minimizing reduced copper consumption.
In the present embodiment; The double-deck many concentric types of lap wound of said three-phase motor windings is an example with 18 groove motor windings, and it connects method and is: with under one side of A phase coil in 1 groove, 2 grooves and 3 grooves, under one side of B phase coil in 4 grooves, 5 grooves and 6 grooves; In 7 grooves, 8 grooves and 9 grooves under one side of C phase coil; In said 7 grooves under the another side of C phase coil in 3 grooves A phase coil on, on the A phase coil under the another side of the C phase coil in said 8 grooves in 2 grooves, in said 9 grooves under the another side of C phase coil in said 1 groove the A phase coil on; According to this method, 10 to 18 grooves also roll off the production line like above-mentioned method.
Adopt the winding construction of the utility model, shortening coil is by a relatively large margin used line length, thereby can correspondingly reduce the line footpath of coil; And reduce line length and line ratio directly, the economical with materials cost, and reduce no-load current; And; Reduce current of electric under the equally loaded situation, improve electric efficiency, reach power saving purpose preferably; The parameter of electric machine of present embodiment and prior art contrasts see the following form (0.75KW motor Y801 is an example):
| Y801 type motor | Copper consumption (Kg) | No-load current (A) | Line footpath (mm) |
| Before the improvement | 1.3 | 0.65 | 0.63 |
| After the improvement | 1 | 0.55 | 0.57 |
Reach in the coil of the double-deck many concentric types of lap wound of three-phase motor windings of the utility model preferably, adopt the less copper cash in line footpath, the resistivity of copper cash is low, and fusing-off temperature is higher, guarantees the stable operation of said motor windings; And the coil girth of said motor windings reduces, and the resistance of winding coil reduces, but the electric current no-load current of motor windings reduces; The effective output of motor increases; Electric energy has been practiced thrift in the power reduction of the loss of the coil self-heating of motor windings, and reduces the infringement to motor windings.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (4)
1. the double-deck many concentric types of lap wound of a three-phase motor windings comprises iron core, and said iron core is provided with winding slot, is wound with winding coil in the said winding slot, it is characterized in that: be two-layer coil in the said winding slot, said two-layer coil is the concentric type structure.
2. according to the double-deck many concentric types of lap wound of the said three-phase of claim 1 motor windings, it is characterized in that: the equal turn numbers that is positioned at the two-layer coil of each winding slot.
3. according to the double-deck many concentric types of lap wound of the said three-phase of claim 2 motor windings, it is characterized in that: pitch is for striding 5, striding 7 and stride 9 formation concentric type structures.
4. according to the double-deck many concentric types of lap wound of the said three-phase of claim 3 motor windings; It is characterized in that: the inserting method of the double-deck many concentric types of lap wound of said three-phase motor windings is: with under one side of A phase coil in 1 groove, 2 grooves and 3 grooves; Under one side of B phase coil in 4 grooves, 5 grooves and 6 grooves, under one side of C phase coil in 7 grooves, 8 grooves and 9 grooves, in said 7 grooves under the another side of C phase coil in 3 grooves the A phase coil on; On the A phase coil under the another side of the C phase coil in said 8 grooves in 2 grooves; In said 9 grooves under the another side of C phase coil in said 1 groove the A phase coil on, according to this method, other groove also as above-mentioned method roll off the production line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205559451U CN202374077U (en) | 2011-12-27 | 2011-12-27 | Three-phase double-layer laminated multi-concentric-type motor winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205559451U CN202374077U (en) | 2011-12-27 | 2011-12-27 | Three-phase double-layer laminated multi-concentric-type motor winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202374077U true CN202374077U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205559451U Expired - Fee Related CN202374077U (en) | 2011-12-27 | 2011-12-27 | Three-phase double-layer laminated multi-concentric-type motor winding |
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| CN (1) | CN202374077U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208875A (en) * | 2012-12-17 | 2013-07-17 | 江苏大中电机股份有限公司 | High-efficiency stator winding for motor |
| CN103427573A (en) * | 2013-08-26 | 2013-12-04 | 西安正麒电气有限公司 | Connection method of three multi-path triangular connection lead wires of three-phase asynchronous motor |
| CN104467231A (en) * | 2014-12-12 | 2015-03-25 | 广东美芝制冷设备有限公司 | Motor applied to rotary compressor and compressor with motor |
| CN106505771A (en) * | 2016-12-27 | 2017-03-15 | 江西江特电机有限公司 | A kind of new motor double speed simplex winding |
| CN107634599A (en) * | 2017-11-14 | 2018-01-26 | 深圳市兴旺达科技有限公司 | A kind of novel three phase asynchronous motor method of winding stator |
| CN114421663A (en) * | 2021-11-16 | 2022-04-29 | 上海电机系统节能工程技术研究中心有限公司 | Motor rotor, motor and equipment |
-
2011
- 2011-12-27 CN CN2011205559451U patent/CN202374077U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208875A (en) * | 2012-12-17 | 2013-07-17 | 江苏大中电机股份有限公司 | High-efficiency stator winding for motor |
| CN103427573A (en) * | 2013-08-26 | 2013-12-04 | 西安正麒电气有限公司 | Connection method of three multi-path triangular connection lead wires of three-phase asynchronous motor |
| CN103427573B (en) * | 2013-08-26 | 2016-06-22 | 西安正麒电气有限公司 | The mode of connection of threephase asynchronous multichannel triangle joint three lead-in wire |
| CN104467231A (en) * | 2014-12-12 | 2015-03-25 | 广东美芝制冷设备有限公司 | Motor applied to rotary compressor and compressor with motor |
| CN106505771A (en) * | 2016-12-27 | 2017-03-15 | 江西江特电机有限公司 | A kind of new motor double speed simplex winding |
| CN107634599A (en) * | 2017-11-14 | 2018-01-26 | 深圳市兴旺达科技有限公司 | A kind of novel three phase asynchronous motor method of winding stator |
| CN114421663A (en) * | 2021-11-16 | 2022-04-29 | 上海电机系统节能工程技术研究中心有限公司 | Motor rotor, motor and equipment |
| CN114421663B (en) * | 2021-11-16 | 2024-01-09 | 上海电机系统节能工程技术研究中心有限公司 | Motor rotor, motor and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |