CN217545837U

CN217545837U - Birotor permanent magnet brushless motor

Info

Publication number: CN217545837U
Application number: CN202123171996.7U
Authority: CN
Inventors: 吴福州
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-10-04
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to a can improve work efficiency's birotor permanent magnet brushless motor. It includes and is equipped with shell (2) on base (3), is fixed with axostylus axostyle (5), its characterized in that on base (3): an inner rotor (6) and an outer rotor (9) are fixed on the shaft lever (5), an inner magnet (7) is fixed outside the inner rotor (6), an outer magnet (8) is fixed on the inner side of the outer rotor (9), a stator (11) is fixed in a magnetic field of the inner magnet (7) and the outer magnet (8) through a screw rod (1), and coils are wound on the inner layer and the outer layer of the stator (11). The utility model discloses stator coil installs at the two-layer permanent magnet intermediate position of rotor, has formed every group stator coil inlayer and skin and all can produce the electromagnetic field. The inner layer and the outer layer of each group of stator coils generate electromagnetic fields and the inner layer and the outer layer of permanent magnets on the rotor generate repulsion and attraction, so that the rotating torque of the motor is doubled, and the working efficiency is greatly improved.

Description

Birotor permanent magnet brushless motor

Technical Field

The utility model relates to a permanent magnet brushless motor especially relates to a can improve work efficiency's birotor permanent magnet brushless motor.

Background

The existing permanent magnet brushless motor has two structures, a coil is installed on the inner layer of a stator, a coil is installed on the outer layer of the stator, and the structure is single. The stator coils all utilize only the inner electromagnetic field or only the outer single electromagnetic field, and one electromagnetic field is not utilized, so the efficiency is very low. Therefore, the double-rotor permanent magnet brushless motor capable of improving the working efficiency is very beneficial.

Disclosure of Invention

In order to solve the problem that the electromagnetic field can not make full use of inside and outside the stator coil, the utility model provides a can improve work efficiency's birotor permanent magnetism brushless motor to compensate prior art's not enough.

The technical scheme of the utility model is realized like this: it includes and is equipped with shell (2) on base (3), is fixed with axostylus axostyle (5) on base (3), its characterized in that: an inner rotor (6) and an outer rotor (9) are fixed on the shaft lever (5), an inner layer magnet (7) is fixed outside the inner rotor (6), an outer layer magnet (8) is fixed on the inner side of the outer rotor (9), and opposite magnetic poles of the inner layer magnet (7) and the outer layer magnet (8) are opposite; a stator (11) is fixed in the magnetic fields of the inner layer magnet (7) and the outer layer magnet (8) through a screw rod (1), and coils are wound on the inner layer and the outer layer of the stator (11). The shaft lever (5) is sleeved with a bearing (4).

The utility model discloses better technical scheme is: the stator fixing seat (12) is fixed on the base (3), the outer rotor fixing sheet (13) is fixed outside the stator fixing seat (12), and a bearing is arranged between the stator fixing seat (12) and the outer rotor fixing sheet (13). The outer rotor fixing sheet (13) can be added according to the power of the motor and the working environment, so that the operation of the motor is more reliable. The upper inner layer coil and the outer layer coil of the stator (11) are directly connected into a group of coils, electromagnetic fields are generated inside and outside each group of stator coils, and the inner magnetic poles and the outer magnetic poles of the coils of the stator (11) are opposite.

The utility model discloses better technical scheme is: the number of the stators (11) is multiple, and the number of the corresponding inner rotors (6) and the corresponding outer rotors (9) is also multiple.

The utility model discloses the theory of operation is: the coil is all installed to stator inlayer and skin, inlayer coil and outer coil are through lug connection one set of coil on the stator, the outer produced electromagnetic field magnetic pole of every group stator coil inlayer is opposite, divide into inner rotor and external rotor to whole rotor, the permanent magnet is all installed inside and outside the rotor, the rotor will cater to stator coil electromagnetic field, rotor inlayer permanent magnet is opposite respectively with outer permanent magnet offside magnetic pole, stator coil is fixed at the permanent magnet machine base through punching with the screw rod, stator coil installs at the two-layer permanent magnet intermediate position of rotor, the inside and outside two-layer electromagnetic field that produces respectively of stator coil and the inside and outside two-layer permanent magnet of rotor produce the effort and make the rotor rotate.

The utility model discloses stator coil installs at the two-layer permanent magnet intermediate position of rotor, has formed every group stator coil inlayer and skin and all can produce the electromagnetic field. The inner layer and the outer layer of each group of stator coils generate electromagnetic fields, and the inner layer and the outer layer of permanent magnets on the rotor generate repulsion and attraction, so that the rotating torque of the motor is doubled, and the working efficiency is greatly improved.

Drawings

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

Fig. 2 is a cross-sectional view of the present invention.

FIG. 3 is a schematic view of the preferred structure of the present invention

In the figure, 1, a screw rod 2, a shell 3, a base 4, a bearing 5, a shaft rod 6, an inner rotor 7, an inner magnet 8, an outer magnet 9, an outer rotor 10, a coil 11, a stator 12, a stator fixing seat 13 and an outer rotor fixing piece

Detailed Description

The invention is further described below with reference to the following figures and examples:

as shown in fig. 1 and 2, the utility model discloses a be equipped with shell (2) on base (3), be fixed with axostylus axostyle (5) on base (3), its characterized in that: an inner rotor (6) and an outer rotor (9) are fixed on the shaft lever (5), an inner layer magnet (7) is fixed outside the inner rotor (6), an outer layer magnet (8) is fixed on the inner side of the outer rotor (9), and the opposite side magnetic poles of the inner layer magnet (7) and the outer layer magnet (8) are opposite. A stator (11) is fixed in the magnetic fields of the inner layer magnet (7) and the outer layer magnet (8) through a screw rod (1), and coils are wound on the inner layer and the outer layer of the stator (11). The shaft lever (5) is sleeved with a bearing (4). As shown in fig. 3, a stator fixing base (12) is fixed on the base (3), an outer rotor fixing piece (13) is fixed outside the stator fixing base (12), and a bearing is arranged between the stator fixing base (12) and the outer rotor fixing piece (13). The outer rotor fixing sheet (13) can be added according to the power of the motor and the working environment, so that the operation of the motor is more reliable. The upper inner layer coil and the outer layer coil of the stator (11) are directly connected into a group of coils, electromagnetic fields are generated inside and outside each group of stator coils, and the inner magnetic poles and the outer magnetic poles of the coils of the stator (11) are opposite.

The utility model discloses better embodiment is: the number of the stators (11) is multiple, and the number of the corresponding inner rotors (6) and the corresponding outer rotors (9) is also multiple.

The utility model discloses the new working process is: firstly, when one coil is electrified, the electromagnet can generate magnetic force to attract the rotor on one side to rotate and rotate the rotor to a balance position, and then if the next coil is electrified in time, the magnetic pole direction of the coil and the magnetic pole direction of the rotor are always in a mutually attracted position, the rotor can be continuously attracted to rotate, so that continuous rotation of the rotor can be realized as long as the stator coils are continuously and circularly electrified in sequence by pushing in, which is the most basic reason that the brushless motor can continuously rotate, the opposite coils can be continuously improved, but the winding directions of the coils are opposite to each other, so that one path of current can be used for controlling the two electromagnets, the two electromagnets simultaneously generate attraction, the rotating torque of the motor is doubled, and similarly, the two lines are respectively connected with the other two groups of electromagnets, as long as the electrifying sequence of the three groups of lines is reasonably controlled, the continuous rotation of the three line control motors can be realized, current can be simultaneously generated in two adjacent lines under the general condition, attractive force is generated through one group of electromagnets, the other group of electromagnets generates repulsive force, so that the rotating torque can be doubled, an inner coil and an outer coil on the stator are directly connected into one group of coils, the magnetic poles of electromagnetic fields generated by the inner layer and the outer layer of each group of stator coils are opposite, the whole rotor is divided into an inner rotor and an outer rotor, permanent magnets are arranged on the inner layer and the outer layer of the rotor, the rotor is in accordance with the electromagnetic fields of the stator coils, the opposite side magnetic poles of the inner layer permanent magnets and the outer layer of the rotor are opposite, the stator coils are fixedly arranged on a base of the permanent magnet motor through a punching screw (1), and are arranged in the middle position of the two layers of the rotor, so that the inner layer and the outer layer of each group of stator coils can generate electromagnetic fields, the work efficiency is greatly improved.

Claims

1. The utility model provides a birotor permanent magnetism brushless motor, it includes and is equipped with shell (2) on base (3), is fixed with axostylus axostyle (5) on base (3), its characterized in that: an inner rotor (6) and an outer rotor (9) are fixed on the shaft rod (5), an inner magnet (7) is fixed outside the inner rotor (6), an outer magnet (8) is fixed on the inner side of the outer rotor (9), a stator (11) is fixed in a magnetic field of the inner magnet (7) and the outer magnet (8) through a screw rod (1), coils are wound on the inner layer and the outer layer of the stator (11), the upper inner coil and the outer coil of the stator (11) are directly connected into a group of coils, an electromagnetic field can be generated inside and outside each group of stator coils, the inner magnetic poles and the outer magnetic poles of the coils of the stator (11) are opposite, and the opposite side magnetic poles of the inner magnet (7) and the outer magnet (8) are opposite.

2. The birotor permanent magnet brushless motor of claim 1, characterized in that: the shaft lever (5) is sleeved with a bearing (4).

3. The dual-rotor permanent magnet brushless motor of claim 1, wherein: the motor is characterized in that a stator fixing seat (12) is fixed on the base (3), an outer rotor fixing piece (13) is fixed outside the stator fixing seat (12), and a bearing is arranged between the stator fixing seat (12) and the outer rotor fixing piece (13).

4. The dual-rotor permanent magnet brushless motor of claim 1, wherein: the number of the stators (11) is multiple, and the number of the corresponding inner rotors (6) and the corresponding outer rotors (9) is also multiple.