CN212572226U

CN212572226U - Motor winding displacement structure and induction motor

Info

Publication number: CN212572226U
Application number: CN202021654182.1U
Authority: CN
Inventors: 郭建刚; 常海江
Original assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Current assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-02-19
Anticipated expiration: 2030-08-10

Abstract

The utility model relates to a motor winding displacement structure and induction machine. This motor winding displacement structure includes: one or two winding wires; the coil frame comprises a plurality of main coil frames and auxiliary coil frames which are positioned on the same circumference, and the main coil frames and the auxiliary coil frames are alternately arranged; when the number of the winding wires is two, one of the winding wires is sequentially wound on the plurality of main coil frames to form a main phase winding, and the other winding wire is sequentially wound on the plurality of auxiliary coil frames to form an auxiliary phase winding; and one or two winding wires are drawn out to form a plurality of taps when the winding wires are wound on the main coil frames and the auxiliary coil frames, the taps correspond to different gears of the motor respectively, and the taps are connected with a control circuit of the motor. The utility model discloses can effectively improve distribution efficiency and reduce wrong shelves distribution probability.

Description

Motor winding displacement structure and induction motor

Technical Field

The utility model relates to the technical field of motors, concretely relates to motor winding displacement structure and induction machine.

Background

The motor with the multi-gear winding displacement structure has the unique advantages of stable operation, low working noise, long service life and the like, and is widely applied to various household appliances (such as traditional fans, air conditioners, novel fresheners, tower fans and the like).

At present, the multi-gear winding displacement structure of the induction motor is mainly divided into two types, one type is that an enameled wire winding with one color is adopted, gear wiring is divided by a resistance measuring method through a universal meter after winding, the universal meter detection times are increased along with the increase of gears, resistance detection is required to be carried out after winding at every time, operation is complex, the universal meter is required to be matched for use, and when the universal meter goes wrong, gear mismatching is easy to occur. The other is that gears are distinguished according to colors of enameled wires with various colors, and the more gears, the more colors of the enameled wires are needed, the more convenient purchasing and storage are realized; the enameled wire of multiple colour need wind respectively after every gear is around, then needs more wire winding number of times to the motor that has more gears, and the wiring efficiency is low, and the gear is more, and the stub is more, has wrong grade wiring easily, makes the motor turn to easily to join in marriage the mistake, and the gear easily joins in marriage the mistake. In addition, the wiring process requires many operations, and the subjective operation is likely to result in poor process quality. As shown in fig. 1, for an ordinary 3-grade product as an example, it is necessary to use enamelled wires of 3 colors, a main phase winding is formed after main wire winding, enamelled wires of 3 colors are respectively wound to form 3 auxiliary phase windings connected in parallel, 8 wire heads are formed after 4 wire windings are adopted, namely, a main wire head a1, a main wire tail a2, a first-layer gear bit line head B1, a first-layer gear bit line tail B2, a second-layer gear bit line head C1, a second-layer gear bit line tail C2, a third-layer gear bit line head D1 and a third-layer gear bit line tail D2, and when a plurality of wire heads are wired, there is a possibility of mismatch between gear lines.

Chinese patent application publication No. CN207720003U discloses a winding mechanism for a motor, which winds a metal wire around a pin, can facilitate winding of the metal wire around the pin because the height of an inner bobbin is increased by the pin, and the wire end of the metal wire can be connected to the pin after the process of winding the metal wire. However, the wiring needs to be wound for many times, which causes problems of low wiring efficiency, easy occurrence of wiring dislocation, and the like.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, an object of the present invention is to provide a motor flat cable structure, which can improve the wiring efficiency and reduce the probability of wrong wiring.

In order to achieve the above object, the utility model provides a motor winding displacement structure, include:

one or two winding wires;

the coil frame comprises a plurality of main coil frames and auxiliary coil frames which are positioned on the same circumference, and the main coil frames and the auxiliary coil frames are alternately arranged, when the number of the winding wires is one, the winding wires are sequentially wound on the main coil frames to form main phase windings, and are sequentially wound on the auxiliary coil frames to form auxiliary phase windings; when the number of the winding wires is two, one of the winding wires is sequentially wound on the main coil frames to form a main phase winding, and the other winding wire is sequentially wound on the auxiliary coil frames to form an auxiliary phase winding; and the one or two winding wires are drawn out to form a plurality of taps when the winding wires are wound on the main coil frames and the auxiliary coil frames, the taps correspond to different gears of the motor respectively, and the taps are connected to a junction box of the motor.

The motor winding displacement structure provided by the embodiment of the utility model winds a plurality of gear coils once or twice through one or two winding wires, so that the winding efficiency can be effectively improved; meanwhile, the number of wire ends can be reduced, wiring is facilitated, the gear mismatching probability is reduced, and forward/reverse rotation of the motor caused by wiring is avoided. In addition, enameled wires with various colors are not needed, so that workshop management and storage are facilitated; meanwhile, one or two times of winding can reduce the number of production operation, reduce the poor quality of the manufacturing process and ensure the product quality.

In some embodiments, the winding wire is sequentially wound around the plurality of main bobbins to form the main phase winding, and then sequentially wound around the plurality of auxiliary bobbins to form the plurality of auxiliary phase windings, so as to ensure the starting performance of the motor.

In some embodiments, the winding wire is one, the winding wire is sequentially wound on the plurality of main coil frames and then a first tap is led out, the winding wire positioned after the first tap is turned to and sequentially wound on the plurality of auxiliary coil frames and is wound to the last coil frame, the tap is processed at the position of the auxiliary coil frame to lead out the tap, the winding wire after the tap is led out is turned to and sequentially wound on the plurality of auxiliary coil frames, the winding wire is repeatedly turned to and wound, the winding wire is thrown out after the winding wire is wound, and the tail end of the winding wire is formed and connected to the capacitor. Winding is carried out by adopting a winding method, and winding is carried out back and forth according to the gear requirement, so that the winding efficiency can be effectively improved, the wiring is convenient, the gear line is prevented from being mismatched, and the forward/reverse rotation of the motor caused by the wiring is avoided; in addition, only one winding wire is adopted, so that the device is convenient to purchase and store.

In some embodiments, the motor is a four-phase motor, the bobbin includes four of the main bobbins and four of the sub-bobbins alternately uniformly distributed in a circumferential direction of a stator of the motor, the gears of the motor comprise a high gear, a middle gear and a low gear, the winding wire at the first tap is sequentially wound on the auxiliary coil formers after being turned, a second tap is led out from the auxiliary coil former at the tail end, the winding wire at the second tap is continuously wound on the auxiliary coil formers sequentially after being turned, and a third tap is led out, the first tap corresponds to the high gear, the second tap corresponds to the medium gear, and the third tap corresponds to the low gear.

In some embodiments, the winding directions of the winding wires on two adjacent main coil frames are opposite; the winding direction of the winding wire on the adjacent two secondary coil frames is opposite, the winding is reasonable, the winding wire can be firmly wound on the coil frame, and the mutual influence of the coils wound on the same main coil frame or the secondary coil frames at different gears is prevented.

In some embodiments, when the number of the gear positions of the motor is N, N gear positions correspond to N taps, and the number of times that the winding wire is wound back and forth along the circumferential direction of the stator of the motor is N +1, where N is a positive integer and N ≧ 3. The number of taps can be quickly determined according to the number of the gears, the winding times can be determined, and the winding efficiency can be improved.

In some embodiments, the number of the winding wires is two, and the wire diameters of the two winding wires are different, so that the main phase winding and the auxiliary phase winding can be distinguished.

In some embodiments, a winding groove for winding the winding wire is provided on each of the main bobbin and the sub-bobbin to facilitate winding.

In some embodiments, a plurality of the taps are arranged separately in a circumferential direction of the bobbin to facilitate wiring of different shift lines, preventing wiring mismatch.

The embodiment of the utility model provides an induction motor is still provided, including stator and rotor, the stator includes foretell motor winding displacement structure.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a winding schematic diagram of a conventional motor cable arrangement structure;

fig. 2 is a schematic view of a motor cable structure according to an embodiment of the present invention.

Reference numerals:

10-winding wire, 11-first tap, 12-second tap, 13-third tap, 14-wire head and 15-tail wire; 20-coil former.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Fig. 2 shows a schematic diagram of a motor flat cable structure according to an embodiment of the present invention. As shown in fig. 2, an embodiment of the present invention provides a motor winding displacement structure, which includes:

one or two winding wires 10;

a bobbin 20 including a plurality of main bobbins and sub-bobbins on the same circumference, the main bobbins and the sub-bobbins being alternately arranged, and when one winding wire 10 is provided, the winding wire 10 is sequentially wound on the plurality of main bobbins to form a main phase winding, and sequentially wound on the plurality of sub-bobbins to form a sub-phase winding; when the number of the winding wires 10 is two, one of the winding wires is sequentially wound on the plurality of main coil frames to form a main phase winding, and the other winding wire is sequentially wound on the plurality of auxiliary coil frames to form an auxiliary phase winding; the one or two winding wires 10 are drawn out to form a plurality of taps when the wires are wound on the plurality of main coil formers and the auxiliary coil formers, the plurality of taps correspond to different gears of the motor respectively, and the taps are connected to a junction box of the motor.

The motor winding displacement structure provided by the embodiment of the utility model winds a plurality of gear coils once or twice through one or two winding wires 10, so that the winding efficiency can be effectively improved; meanwhile, the number of wire ends can be reduced, wiring is facilitated, the gear mismatching probability is reduced, and forward/reverse rotation of the motor caused by wiring is avoided. In addition, enameled wires with various colors are not needed, so that workshop management and storage are facilitated; meanwhile, one or two times of winding can reduce the number of production operation, reduce the poor quality of the manufacturing process and ensure the product quality.

It is understood that the present invention relates to an electric motor comprising a stator and a rotor, wherein the stator comprises a bobbin 20, and the winding wire 10 is wound on the bobbin 20 to form a stator winding, and the stator winding comprises a main phase winding and a secondary phase winding.

In this embodiment, the winding wire 10 is sequentially wound around the plurality of main bobbins to form a main phase winding, and then sequentially wound around the plurality of sub-bobbins to form a plurality of sub-phase windings. During winding, the main coil frame is firstly wound, and then the auxiliary coil frame is wound to ensure the starting performance of the motor, and the windings on the auxiliary coil frame need to be wound in sequence back and forth along the circumferential direction of the stator to form a plurality of groups of auxiliary phase windings. When the winding wire 10 is one, the winding wire is sequentially wound on the plurality of main coil frames respectively, and then sequentially wound on the plurality of auxiliary coil frames respectively; when the number of the winding wires 10 is two, one of the two winding wires is wound on the plurality of primary bobbins in sequence, and the other one of the two winding wires is wound on the plurality of secondary bobbins in sequence.

In this embodiment, a winding wire 10 is taken as an example to describe the winding displacement structure of the motor, as shown in fig. 2, the winding wire 10 is sequentially wound on a plurality of main coil frames to form a main phase winding and lead out a first tap 11, the winding wire 10 located behind the first tap 11 is turned (reversed) and sequentially wound on a plurality of auxiliary coil frames, when the winding wire is wound to the last auxiliary coil frame to be tapped, the winding wire 10 led out of the tap is turned and sequentially wound on the plurality of auxiliary coil frames, the winding wire 10 is turned and wound for a plurality of times, the winding wire 10 is thrown out to form a tail end (tail wire 15) of the winding wire 10 after the winding wire 10 is wound, and the tail end of the winding wire 10 is connected to a capacitor.

Further, taking a four-phase motor as an example to explain the winding displacement structure of the motor, as shown in fig. 2, the bobbin 20 includes four main bobbins (1, 3, 5, 7) and four sub-bobbins (2, 4, 6, 8) alternately and uniformly distributed along a circumferential direction of a stator of the motor, the gear positions of the motor include a high gear, a medium gear and a low gear, the winding wire 10 at the first tap 11 is sequentially wound on the plurality of sub-bobbins after being turned, and the second tap 12 is led out at the last sub-bobbin, the winding wire 10 at the second tap 12 is sequentially wound on the plurality of sub-bobbins after being turned, and the third tap 13 is led out, the first tap 11 corresponds to the high gear, the second tap 12 corresponds to the medium gear, and the third tap 13 corresponds to the low gear.

In this embodiment, the gear of the motor generally refers to a rotation speed gear of the motor, high gear indicates that the rotation speed of the motor is high, medium gear indicates that the rotation speed of the motor is medium, and low gear indicates that the rotation speed of the motor is low.

In some embodiments, the winding directions of the wound wire 10 on the two adjacent main coil frames are opposite; the winding wire 10 is wound in opposite directions on the adjacent two sub-bobbins. For example, when the main phase winding is performed, the main bobbin 20 is wound clockwise, and then the main bobbin 3 is wound counterclockwise.

The winding process using one winding wire 10 is specifically as follows:

first, a main phase winding is performed, one end (head 14) of the winding wire 10 is left with a part of a thread end, and the other end of the winding wire 10 is subjected to the main phase winding in the following order: 1(CW) → 3(CCW) → 5(CW) → 7(CCW), and performing a tapping process (drawing out a part of the wound wire 10) at the main coil frame 7 located at the tail end of the secondary winding to form a first tap 11, and at this time, finishing winding the high-grade gear coil; next, the sub-phase winding is performed, and when the sub-phase winding is performed, the winding wire 10 is turned, and the first sub-phase winding is performed in the following order: 8(CW) → 6(CCW) → 4(CW) → 2(CCW), and performing a tapping process at the sub-coil bobbin 2 located at the tail end of the secondary winding to form a second tap 12, completing the winding of the shift coil of the middle stage; then, the winding wire 10 is turned, and secondary phase winding is performed in the following sequence: 8(CW) → 6(CCW) → 4(CW) → 2(CCW), and a tap process is performed at the sub-coil frame 8 located at the tail end of the secondary winding to form a third tap 13, completing the low-gear step coil winding; after the low-grade winding is completed, the winding wire 10 is turned, and secondary phase winding is performed for the third time according to the following sequence: 8(CW) → 6(CCW) → 4(CW) → 2(CCW), reverse winding termination is performed, and the tail 15 is thrown out. Where CW (clockwise) and CCW (counterclockwise) denote the winding direction on the bobbin.

The utility model discloses a circuitous winding method winds, utilizes the principle of magnetic pole direction, requires to come and go according to the gear and winds, can effectively promote wire winding efficiency, makes things convenient for the distribution. After winding, the gear lines wound on the bobbin 20 are regularly arranged, and different gear lines are not mutually influenced.

In some embodiments, the plurality of taps are separately arranged along the circumferential direction of the coil former, so that different taps can be distinguished conveniently, the gears are clear after winding, the taps can be directly connected to a control circuit of the motor, wiring of different gear positions is facilitated, and gear mismatch is prevented during wiring. As shown in fig. 2, a first tap 11 is drawn from one end of the main coil bobbin 7 and one end of the sub-coil bobbin 8, a second tap 12 is drawn from both ends of the sub-coil bobbin 2, and a third tap 13 is drawn from both ends of the sub-coil bobbin 8. In addition, in the application, the extracted tap is continuous (is not broken), the connection can be directly carried out, and compared with the connection carried out through two line heads, the head and the tail end of the line head do not need to be distinguished, and the mismatching of the connection can be effectively prevented.

In other embodiments, when the motor is a four-phase motor, the gear of the motor may also be set to four (high, medium, low, micro) or more. The motor can also be other looks motors, the utility model discloses not specifically inject.

In the above embodiment, when one winding wire 10 is used for winding, three positions correspond to three taps, and winding is performed four times in a reciprocating manner. When the number of the gears of the motor is N, the N gears correspond to the N taps, and the number of times of winding the winding wire 10 back and forth along the circumferential direction of the stator of the motor is N +1, where N is a positive integer and N is ≧ 3.

In the present embodiment, the bobbin 20 may be a unitary structure on which a plurality of main bobbins and sub-bobbins alternately arranged in the circumferential direction of the stator (the circumferential direction of the bobbin 20) are integrally formed. Winding grooves are provided on both the main bobbin and the sub-bobbin to wind the wire 10.

In some embodiments, the winding wires 10 are two, i.e., a main wire and a sub-wire, for the main phase winding and the sub-phase winding, and the wire diameters of the winding wires 10 are different in order to distinguish the main phase winding from the sub-phase winding. The wire diameter of the winding wire 10 (main wire) of the main phase winding is generally larger than the wire diameter of the winding wire 10 (sub wire) of the sub phase winding. The winding wire 10 is wound on the secondary coil frame in a winding manner for multiple times to form coils with different gear positions, and the specific winding process is the winding process using one winding wire 10 as described above, and is not described herein again.

The embodiment of the utility model provides an induction motor is still provided, and it includes stator and rotor, and wherein, the stator includes foretell motor winding displacement structure.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. A motor winding displacement structure, characterized by comprising:

one or two winding wires;

2. The motor flat cable structure according to claim 1, wherein the winding wire is wound around the plurality of main bobbins in sequence to form the main phase winding, and then wound around the plurality of sub bobbins in sequence to form the plurality of sub phase windings.

3. The motor flat cable structure according to claim 1, wherein the number of the winding wires is one, the winding wires sequentially wind on the plurality of main bobbins and then lead out a first tap, the winding wires located after the first tap are turned and sequentially wind on the plurality of auxiliary bobbins and are tapped at the position wound to the last auxiliary bobbin to lead out the tap, the winding wires led out after the tap are turned and sequentially wound on the plurality of auxiliary bobbins, the winding wires are tapped for a plurality of times and turned and wound, the winding wires are thrown out to form tail ends of the winding wires after the winding wires are wound, and the tail ends of the winding wires are connected to a capacitor.

4. The winding displacement structure of an electric motor according to claim 3, wherein the electric motor is a four-phase electric motor, the bobbins include four main bobbins and four sub bobbins alternately and uniformly distributed in a circumferential direction of a stator of the electric motor, the gears of the electric motor include a high gear, a middle gear, and a low gear, the winding wire at the first tap is wound on the plurality of sub bobbins in sequence after being turned and a second tap is drawn at the sub bobbin at a tail end, the winding wire at the second tap is wound on the plurality of sub bobbins in sequence after being turned and a third tap is drawn, the first tap corresponds to the high gear, the second tap corresponds to the middle gear, and the third tap corresponds to the low gear.

5. The motor flat cable structure according to claim 2, wherein winding directions of the winding wires on two adjacent main coil frames are opposite; and the winding directions of the winding wires on the two adjacent sub-coil frames are opposite.

6. The motor flat cable structure according to claim 3, wherein when the number of the motor steps is N, N steps correspond to N taps, and the number of times of winding the winding wire in the circumferential direction of the stator of the motor is N +1, where N is a positive integer and N ≧ 3.

7. The motor flat cable structure according to claim 1, wherein the number of the winding wires is two, and the wire diameters of the two winding wires are different.

8. The motor flat cable structure according to claim 1, wherein a winding groove for winding the winding wire is provided on each of the main bobbin and the sub-bobbin.

9. The motor bus bar structure according to claim 1, wherein a plurality of the taps are arranged separately in a circumferential direction of the bobbin.

10. An induction motor comprising a stator and a rotor, characterized in that the stator comprises a motor bus structure according to any one of claims 1 to 9.