CN217741403U

CN217741403U - Stator core with winding

Info

Publication number: CN217741403U
Application number: CN202221780181.0U
Authority: CN
Inventors: 万锦; 王忠豪
Original assignee: Zhejiang Jinhao Electric Technology Co ltd
Current assignee: Zhejiang Jinhao Electric Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-04
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a stator core with windings, which belongs to the technical field of motor manufacturing, wherein the stator core comprises a yoke part (1) and tooth parts (2), a tooth socket (3) is arranged between the adjacent tooth parts (2), a notch (7) of the tooth socket (3) faces the outer side of the stator core, the tooth parts (2) are provided with the windings, the windings on the tooth parts (2) comprise a high-speed winding (4) and a low-speed winding (5), and the stator core is provided with a Hall groove (6); the utility model discloses can be according to the needs of operating mode, can obtain bigger driving torque according to the needs of operating mode, can obtain the motor state more than two kinds at least in limited space range, can improve the power density of motor.

Description

Stator core with winding

Technical Field

The utility model belongs to the technical field of the motor is made, a stator core's manufacturing and designing is related to, concretely says so and relates to a stator core including high-speed winding and low-speed winding.

Background

The stator is a main component of the motor, the stator winding refers to a winding arranged on the stator, and the winding is a general name of a phase or a whole electromagnetic circuit formed by a plurality of coils or coil groups. The motor can be divided into a centralized type and a distributed type according to the different winding shapes and embedding wiring modes of coils. The winding and embedding of the centralized winding are simple, but the efficiency is low, and the running performance is poor. Most of the stators of the alternating current motors are applied with distributed windings, and the motors are respectively designed in different winding types and specifications according to different types and models and coil winding process conditions.

In the stator core in the prior art, the coil is wound on the tooth part of the stator core, the winding mode is single, when the winding is electrified, the optimal working state of a fixed circuit and a fixed driving motor system is only one, and the requirement that the electric vehicle needs different optimal working states under different working conditions cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome stator core's among the prior art tooth portion winding mode singleness, after the winding circular telegram, its fixed circuit and fixed driven motor system's best operating condition only one, can't satisfy the electric motor car and need different best operating condition's technical problem such as requirement under the operating mode of difference, provide one kind including high-speed winding and low-speed winding, according to the needs of operating mode, can make two sets of or more than two sets of drive circuit simultaneous workings, make the motor obtain two kinds and two kinds of above best states one set up the stator core of winding.

In order to solve the technical problem, the utility model provides a set up stator core of winding, stator core include yoke portion and tooth portion, set up the tooth's socket between adjacent tooth portion, the notch of tooth's socket towards the stator core outside the tooth portion on be provided with the winding, the tooth portion on the winding including high-speed winding and low-speed winding stator core on be provided with the hall groove.

As a further improvement of the present invention, the stator core with windings is provided, the high-speed winding is disposed near the slot, the low-speed winding is disposed near the slot, and as another method, the high-speed winding can be disposed near the slot and the low-speed winding can be disposed near the slot.

As the utility model discloses a further improvement measure, above-mentioned stator core who sets up winding, the winding be provided with three group's coils, be A phase line, B phase line and C phase line respectively, the A phase line includes A phase line high-speed winding and A phase line low-speed winding, B phase line includes B phase line high-speed winding and B phase line low-speed winding, the C phase line includes C phase line high-speed winding and C phase line low-speed winding.

As the utility model discloses a further improvement measure, above-mentioned stator core who sets up winding is provided with the lead-out wire in A phase line, B phase line, C phase line respectively, sets up A phase outgoing line one at A phase line low-speed winding, sets up A phase outgoing line two at A phase line high-speed winding, sets up B phase outgoing line one at B phase line low-speed winding, sets up B phase outgoing line two at B phase line high-speed winding, sets up C phase outgoing line one at C phase line low-speed winding, sets up C phase outgoing line two at C phase line high-speed winding.

As a further improvement of the utility model, the above-mentioned one kind sets up the stator core of winding, and the lead-out wire in A phase line, B phase line, C phase line sets up to root or root respectively. Therefore, one of the driving circuits can be opened at will, and two or more than two driving circuits can be opened simultaneously, so that a plurality of groups of driving circuits work simultaneously.

As a further improvement of the present invention, the above stator core with windings, the hall slot is disposed at the notch of the stator core or at the tooth portion of the core, for placing the hall element.

As a further improvement of the present invention, the above stator core with windings, wherein the hall slot is set to be N, and N is a natural number.

As a further improvement of the present invention, the stator core provided with the winding is provided with protrusions at both sides of the outer end portion of the tooth portion toward the tooth groove.

Compared with the prior art, the beneficial effects of the utility model reside in that: 1. the utility model discloses set up two sets of or more than two sets of windings, the controller that matches with it like this also can have two sets of or more than two sets of actuating system to link to each other with it, can open drive circuit wherein all the way at will according to the needs of operating mode like this, also can open the drive circuit more than two way or two tunnel simultaneously, makes multiunit drive circuit simultaneous working.

2. Utilize the utility model discloses a motor of stator core preparation can be effectual widen high-efficient operation interval, obtains wideer high-efficient operation interval, promotes the whole operating efficiency of operating mode, also can obtain bigger driving torque according to the needs of operating mode.

3. Utilize the utility model discloses a motor of stator core preparation comprises the steady motor state more than two at least, and different states adopt different procedure operation, can realize the infinitely variable speed of many gears, in limited space range, obtains the motor state more than two at least, also can improve the power density of motor.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

The reference numbers illustrate: the motor comprises a yoke part 1, a tooth part 2, a tooth part 3, a tooth groove 4, a high-speed winding 5, a low-speed winding 6, a Hall groove 7, a notch 8, a groove bottom 9, a protrusion 41, a high-speed winding 41, a low-speed winding 51, a high-speed winding 61, a high-speed winding 71, a high-speed winding 42, a high-speed winding 52, a low-speed winding 62, a first lead 72, a high-speed winding 43, a low-speed winding 53, a first lead 63, a high-speed winding 73, and a high-speed winding 42.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 and 2, the stator core with windings comprises a yoke part 1 and tooth parts 2, a tooth space 3 is arranged between every two adjacent tooth parts 2, a notch 7 of the tooth space 3 faces the outer side of the stator core, and the stator core is stacked up and down by core sheets and is combined together by riveting or welding; or can be laminated together by winding. The coil winding is arranged in the tooth slot 3, the winding on the tooth part 2 comprises a high-speed winding 4 and a low-speed winding 5, the high-speed winding 4 is arranged near the notch 7, the low-speed winding 5 is arranged near the slot bottom 8, and as another embodiment, the high-speed winding 4 can be arranged near the slot bottom 8 and the low-speed winding 5 can be arranged near the notch 7. The winding is provided with three groups of coils, namely an A phase line, a B phase line and a C phase line which are arranged clockwise, the A phase line comprises an A phase line high-speed winding 41 and an A phase line low-speed winding 51, the B phase line comprises a B phase line high-speed winding 42 and a B phase line low-speed winding 52, and the C phase line comprises a C phase line high-speed winding 43 and a C phase line low-speed winding 53. The high-speed winding 4 and the low-speed winding 5 of each phase winding can be arranged in parallel, namely two wires are simultaneously wired, and the directions and the positions of the currents of the high-speed winding 4 and the low-speed winding 5 are consistent.

In the motor, the power outgoing lines of the motor are set to be 3 groups, each group is composed of 2 outgoing lines, and each group of power outgoing lines is connected with each phase winding of the motor, so that in the stator core of the application, outgoing lines are respectively arranged in the phase A, the phase B and the phase C, a phase A outgoing line I61 is arranged on the phase A low-speed winding 51, a phase A outgoing line II 71 is arranged on the phase A high-speed winding 41, a phase B outgoing line I62 is arranged on the phase B low-speed winding 52, a phase B outgoing line II 72 is arranged on the phase B high-speed winding 42, a phase C outgoing line I63 is arranged on the phase C low-speed winding 53, and a phase C outgoing line II 73 is arranged on the phase C high-speed winding 43. The outgoing lines in the phase line A, the phase line B and the phase line C are respectively arranged to be 2, 4 or 6. The utility model discloses in, be provided with two sets or more than two sets of windings, the controller that matches with it like this also can have two sets or more than two sets of actuating systems to link to each other with it, can open one of them drive circuit at will according to the needs of operating mode like this, cut off other drive circuit, make drive circuit work all the way; two or more driving circuits can be simultaneously opened, so that a plurality of groups of driving circuits can work simultaneously. When one group, two groups or more than two groups of driving circuits work, one, two or more than two optimal working conditions can be obtained. If the motor is electrified, a rotating magnetic field is generated when current passes through the high-speed winding 4 to drive the rotor to rotate at a high speed, so that the motor runs at a high speed; and when the controller cuts off the circuit of the high-speed winding 4 and is connected to the low-speed winding 5, the rotor can rotate at a low speed, and the motor can run at a low speed.

In the prior art, the optimum working condition of each kind of fixed circuit and fixed driven motor system is only one, and utilize the utility model the motor that is provided with winding stator core and makes, then has one, two kinds and more than two kinds of optimum conditions. According to the requirements of working conditions, the arrangement of the windings, the number of turns of the windings, the wire diameter, the span, the number of parallel winding paths, the magnitude of the current and the driving number of the current can be adjusted. Utilize the utility model discloses a motor of stator core preparation can be effectual widen high-efficient operation interval, obtains wideer high-efficient operation interval, promotes the whole operating efficiency of operating mode, also can obtain bigger driving torque according to the needs of operating mode. Utilize the utility model discloses a motor of stator core preparation constitutes by the steady electric machine state more than at least two in fact, and different states adopt different procedure operation, can realize the infinitely variable speed of many gears, in limited space range, obtains the electric machine state more than two kinds at least, also can improve the power density of motor.

Be provided with hall groove 6 on stator core, hall groove 6 sets up to 3N, N is the natural number, if set up to 3, 6, 9, hall groove 6 sets up notch 7 department at stator core or sets up tooth 2 at the iron core, also can partial hall groove 6 sets up notch 7 department, partial hall groove 6 sets up tooth 2 at the iron core, hall groove 6 is used for placing hall element, hall groove 6's shape and hall element's shape cooperate.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make modifications and improvements without departing from the scope of the present invention.

Claims

1. The utility model provides a set up stator core of winding, stator core include yoke portion (1) and tooth portion (2), set up tooth's socket (3) between adjacent tooth portion (2), notch (7) of tooth's socket (3) towards the stator core outside tooth portion (2) on be provided with the winding, its characterized in that: the winding on the tooth part (2) comprises a high-speed winding (4) and a low-speed winding (5), and a Hall slot (6) is arranged on the stator iron core.

2. A stator core provided with windings according to claim 1, wherein: the high-speed winding (4) is arranged near the notch (7), the low-speed winding (5) is arranged near the groove bottom (8) or the high-speed winding (4) is arranged near the groove bottom (8), and the low-speed winding (5) is arranged near the notch (7).

3. A winding-provided stator core according to claim 2, wherein: the coil number of turns of the high-speed winding (4) is smaller than that of the low-speed winding (5).

4. A winding-provided stator core according to claim 3, wherein: the winding be provided with three group's coils, be A phase line, B phase line and C phase line respectively, A phase line includes A phase line high-speed winding (41) and A phase line low-speed winding (51), B phase line includes B phase line high-speed winding (42) and B phase line low-speed winding (52), C phase line includes C phase line high-speed winding (43) and C phase line low-speed winding (53).

5. A winding-provided stator core according to claim 4, wherein: outgoing lines are respectively arranged in the phase line A, the phase line B and the phase line C, a phase line A outgoing line I (61) is arranged on the phase line A low-speed winding (51), a phase line A outgoing line II (71) is arranged on the phase line A high-speed winding (41), a phase line B outgoing line I (62) is arranged on the phase line B low-speed winding (52), a phase line B outgoing line II (72) is arranged on the phase line B high-speed winding (42), a phase line C outgoing line I (63) is arranged on the phase line C low-speed winding (53), and a phase line C outgoing line II (73) is arranged on the phase line C high-speed winding (43).

6. A winding-provided stator core according to claim 5, wherein: the outgoing lines in the phase line A, the phase line B and the phase line C are respectively arranged to be 2, 4 or 6.

7. A stator core provided with windings according to claim 1, wherein: the Hall slot (6) is arranged at a notch (7) of the stator core or at a tooth part (2) of the core.

8. A winding-provided stator core according to claim 7, wherein: the number of the Hall grooves (6) is 3N, and N is a natural number.

9. A winding-provided stator core according to any one of claims 1 to 8, characterized in that: projections (9) are provided on both sides of the outer end of the tooth section (2) facing the tooth grooves (3).