CN218771497U

CN218771497U - Coreless motor structure

Info

Publication number: CN218771497U
Application number: CN202222046028.1U
Authority: CN
Inventors: 王永海; 张峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-03-28
Anticipated expiration: 2032-08-04

Abstract

The utility model provides a no iron core motor structure belongs to motor technical field. The utility model discloses a stator, two sets of rotors and casing, the stator includes the sinle silk support, is provided with a plurality of enamelled coil along the even interval of circumference on the sinle silk support, fixed connection jackshaft in the middle of the sinle silk support, and two sets of rotor symmetry set up in the stator both sides, and the rotor includes the mounting panel, is provided with a plurality of magnet steel, adjacent two along the even interval of circumference towards a side surface of stator on the mounting panel the reverse setting of magnet steel magnetic pole, casing are including matched with positive apron and vice apron, and positive apron and vice apron set up respectively in two sets of rotor both sides, and two sets of rotors are connected with positive apron and vice apron respectively, and positive apron and vice apron rotate with the jackshaft to be connected, the utility model discloses effectively reduced the volume of motor, improved the efficiency of motor, whole small can be applicable to multiple job scene, enlarged the application scope of motor.

Description

Coreless motor structure

Technical Field

The utility model relates to a no iron core motor structure belongs to motor technical field.

Background

The coreless motor is a novel special motor representing the future development direction of the motor industry, and is divided into a coreless motor and a coreless generator, and the coreless coil, the carbon brush, the non-magnetic damping and the rare earth permanent magnet electric technology are adopted, so that the traditional motor is changed by applying a silicon steel sheet and winding stator structure and combining an electronic intelligent frequency conversion technology, and the system efficiency of the motor is improved to more than 95%.

The coreless motor has three technical advantages. Firstly, compare with traditional radial magnetic field structural design, adopted axial magnetic field structural design, increased substantially power density and torque volume ratio. And secondly, a novel winding process, high-pressure precision die-casting molding and high polymer materials are adopted, so that the copper loss of the winding is effectively reduced. And thirdly, silicon steel sheets are not used as the iron core materials of the stator and the rotor, magnetic damping and iron loss are eliminated, driving power is reduced, and iron loss heating sources are reduced.

The power of the coreless motor covers 300W-50kW, can be applied to general equipment such as fans, water pumps and compressors with large quantity and wide range, and can also be applied to the fields of electric bicycles, electric automobiles, household appliances, industrial intelligent machinery, wind power generation, numerical control machines, oil field oil control machines, mobile power stations and the like.

The existing coreless motor is generally large in size and is mostly used for large-scale power generation equipment, so that how to miniaturize and miniaturize the coreless motor is a technical difficulty in the industry.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcoming of the prior art, the utility model aims to provide a no iron core motor structure for it is bulky to solve current no iron core motor among the prior art, and the problem that can't be applied to the small-size equipment of low transmission efficiency.

For realizing above-mentioned purpose and other relevant mesh, the utility model provides a no iron core motor structure, including stator, two sets of rotors and casing, the stator includes the sinle silk support, is provided with a plurality of enamelled coil along the even interval of circumference on the sinle silk support, and fixed connection jackshaft in the middle of the sinle silk support is two sets of the rotor symmetry sets up in the stator both sides, the rotor includes the mounting panel, is provided with a plurality of magnet steel, adjacent two along the even interval of circumference on the mounting panel towards a side surface of stator the magnet steel magnetic pole sets up in the opposite direction, the casing includes matched with positive apron and vice apron, and positive apron and vice apron set up respectively in two sets of rotor both sides, and two sets of rotors are connected with positive apron and vice apron respectively, and positive apron and vice apron rotate with the jackshaft and be connected.

In an embodiment of the utility model, the even interval of circumference sets up a plurality of core groove on core support surface, and the embedding of enamelled coil sets up inside the core groove, and core support both sides surface sets up first enhancement layer and second enhancement layer respectively, sets up middle axle sleeve in the middle of the core support, middle axle sleeve connection jackshaft, and middle axle sleeve one side sets up a plurality of terminal, and enamelled coil and terminal electric connection, core support, first enhancement layer, second enhancement layer, middle axle sleeve and terminal pour through the coating and form integratively.

By adopting the technical scheme: through setting up the wire winding support, the wire winding support supports the enameled coil, prevent the enameled coil dispersion, play the effect of supporting whole stator simultaneously, improve the overall structure intensity of stator, improve the holistic structural strength of stator through addding first enhancement layer and second enhancement layer, guarantee the coating structure of pouring simultaneously when carrying out epoxy and pour inseparable, and make the coating surface smooth, utilize epoxy to pour and form the coating, make the sinle silk support, first enhancement layer, the second enhancement layer, middle axle sleeve and terminal form integratively, do not influence the function of stator when improving the holistic structural strength of stator.

In an embodiment of the utility model, set up the wire winding support in the middle of the enameled coil, the wire winding support is the trapezoidal of taking the angle radian, and the enameled wire forms the enameled coil along the coiling of wire winding support outside edge.

By adopting the technical scheme: through setting up the wire winding support, the wire winding support supports the enameled coil, prevents the enameled coil dispersion, plays the effect of supporting whole stator simultaneously, improves the overall structure intensity of stator.

In an embodiment of the present invention, the magnetic steel is connected to the mounting plate through a screw.

By adopting the technical scheme: the magnetic steel is connected with the mounting plate through the screw, and the strength of connection between the magnetic steel and the mounting plate is improved.

In an embodiment of the present invention, the joint of the front cover plate, the auxiliary cover plate and the intermediate shaft is provided with a bearing.

In an embodiment of the present invention, the front cover plate and the auxiliary cover plate are connected by bolts.

As above, the utility model discloses a no iron core motor structure has following beneficial effect:

the utility model discloses well motor comprises a stator and two rotors, the radial coiling of stator is followed to the coil on the stator, and a plurality of coils evenly arrange along circumference, set up a plurality of magnet steel along the even interval of circumference on the rotor, through the aforesaid mode of setting up, the no iron core structure of motor has been realized, the volume of motor has effectively been reduced, the efficiency of motor has been improved, whole small can be applicable to multiple job scene, the application scope of motor has been enlarged, overall structure is succinct simultaneously, low in manufacturing cost, the automated production of being convenient for is made.

Drawings

Fig. 1 is a schematic view of an overall structure of a coreless motor according to an embodiment of the present invention.

Fig. 2 is a schematic diagram illustrating an overall explosion of a coreless motor structure according to an embodiment of the present invention.

Fig. 3 is a schematic diagram illustrating an explosion of a stator of a coreless motor according to an embodiment of the present invention.

Fig. 4 is a schematic view of a rotor structure of a coreless motor structure according to an embodiment of the present invention.

Wherein, 1, intermediate shaft; 2. a secondary cover plate; 3. a front cover plate; 4. a rotor; 40. mounting a plate; 41. magnetic steel; 42. a screw; 5. a bearing; 6. a stator; 60. a first reinforcing layer; 61. a coating layer; 62. an enameled coil; 63. a binding post; 64. a wire core support; 65. a second reinforcing layer; 66. a winding bracket; 67. and a middle shaft sleeve.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a coreless motor structure, including a stator 6, two sets of rotors 4 and a housing, wherein the stator 6 includes a core support 64, a plurality of core slots are uniformly arranged on the surface of the core support 64 along a circumferential direction at intervals, an enameled coil 62 is embedded in the core slots, a winding support 66 is arranged in the middle of the enameled coil 62, the winding support 66 is trapezoidal with an angular arc, the enameled wire is wound along the outer edge of the winding support 66 to form the enameled coil 62, the surfaces of two sides of the core support 64 are respectively provided with a first reinforcing layer 60 and a second reinforcing layer 65, a middle shaft sleeve 67 is arranged in the middle of the core support 64, the middle shaft sleeve 67 is connected to the middle shaft 1, one side of the middle shaft sleeve 67 is provided with a plurality of terminals 63, and the enameled coil 62 is electrically connected to the terminals 63, sinle silk support 64, first enhancement layer 60, second enhancement layer 65, middle axle sleeve 67 and terminal 63 pour through coating 61 and form integratively, two sets of rotor 4 symmetry sets up in stator 6 both sides, the rotor includes mounting panel 40, the even interval in circumference is provided with a plurality of magnet steel 41 towards a side surface of stator 6 on the mounting panel 40, magnet steel 41 passes through screw 42 and connects mounting panel 40, two adjacent magnet steel 41 magnetic poles reverse sets up, the casing includes matched with positive apron 3 and subshell board 2, positive apron 3 and subshell board 2 set up respectively in two sets of rotor 4 both sides, two sets of rotor 4 are connected with positive apron 3 and subshell board 2 respectively, positive apron 3 and subshell board 2 rotate with jackshaft 1 and are connected, positive apron 3 and subshell board 2 set up bearing 5 with jackshaft 1 junction.

The working principle of the coreless motor structure is as follows: when the stator is manufactured, firstly, an enameled wire is wound along the outer edge of a winding support 66 to form an enameled coil 62, a plurality of enameled coils 62 are embedded into a wire core groove formed in the wire core support 66, then a middle shaft sleeve 67 is sleeved in the middle of the wire core support 64, then a binding post 63 is embedded in the wire core support 64, the enameled coils 62 are electrically connected with the binding post 63, then a first reinforcing layer 60 and a second reinforcing layer 65 are respectively attached to the two side surfaces of the wire core support 66, and finally epoxy resin is poured to form a coating layer, so that the winding support 66, the wire core support 64, the enameled coils 62, the first reinforcing layer 60, the second reinforcing layer 65, the middle shaft sleeve 67 and the binding post 63 are integrated; when the motor runs, an external power supply is connected with an enameled coil 62 inside the stator 6 through a wiring terminal 63, the enameled coil 62 generates a magnetic field along the circumferential direction of the stator 6 after being electrified, the magnetic steel 41 on the rotors 4 on two sides of the stator 6 moves under the action of the magnetic field force to drive the whole rotor 4 to rotate around the middle shaft, and the rotors 4 are connected with the shell, so that the whole shell is driven to rotate around the middle shaft.

To sum up, the utility model discloses well motor comprises a stator and two rotors, and the radial coiling of stator is followed to the coil on the stator, and a plurality of coils evenly arranges along circumference, sets up a plurality of magnet steel along the even interval of circumference on the rotor, through the aforesaid mode of setting, has realized the no iron core structure of motor, has effectively reduced the volume of motor, has improved the efficiency of motor, and whole small can be applicable to multiple job scene, has enlarged the application scope of motor, and overall structure is succinct simultaneously, low in manufacturing cost, the automated production of being convenient for makes. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a no iron core motor structure, its characterized in that includes stator (6), two sets of rotor (4) and casing, stator (6) are including sinle silk support (64), are provided with a plurality of enamelled coil (62) along the even interval of circumference on sinle silk support (64), and fixed connection jackshaft (1) is two sets of in the middle of sinle silk support (64) rotor (4) symmetry sets up in stator (6) both sides, the rotor includes mounting panel (40), and one side surface towards stator (6) is provided with a plurality of magnet steel (41) along the even interval of circumference on mounting panel (40), two adjacent magnet steel (41) magnetic pole reverse settings, the casing includes positive apron (3) of matched with and vice apron (2), and positive apron (3) and vice apron (2) set up respectively in two sets up in rotor (4) both sides, and two sets of rotor (4) are connected with positive apron (3) and vice apron (2) respectively, and positive apron (3) and vice apron (2) rotate with jackshaft (1) and are connected.

2. The ironless motor construction of claim 1, wherein: the utility model discloses a wire core support, including sinle silk support (64), the even interval of circumference sets up a plurality of sinle silk groove on sinle silk support (64) surface, enameled wire coil (62) embedding sets up inside the sinle silk groove, sinle silk support (64) both sides surface sets up first enhancement layer (60) and second enhancement layer (65) respectively, set up middle axle sleeve (67) in the middle of sinle silk support (64), jackshaft (1) is connected in middle axle sleeve (67), middle axle sleeve (67) one side sets up a plurality of terminal (63), enameled wire coil (62) and terminal (63) electric connection, sinle silk support (64), first enhancement layer (60), second enhancement layer (65), middle axle sleeve (67) and terminal (63) are pour through coating (61) and are formed an organic wholely.

3. The coreless motor structure of claim 2, wherein: the middle of the enameled coil (62) is provided with a winding support (66), the winding support (66) is trapezoidal with an angular radian, and an enameled wire is wound along the outer edge of the winding support (66) to form the enameled coil (62).

4. The ironless motor construction of claim 1, wherein: the magnetic steel (41) is connected with the mounting plate (40) through a screw (42).

5. The coreless motor structure of claim 1, wherein: and a bearing (5) is arranged at the joint of the positive cover plate (3) and the auxiliary cover plate (2) and the intermediate shaft (1).

6. The coreless motor structure of claim 1, wherein: the positive cover plate (3) is connected with the auxiliary cover plate (2) through bolts.