CN218549604U - Ferrite magnetic ring structure and motor - Google Patents
Ferrite magnetic ring structure and motor Download PDFInfo
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- CN218549604U CN218549604U CN202222288532.2U CN202222288532U CN218549604U CN 218549604 U CN218549604 U CN 218549604U CN 202222288532 U CN202222288532 U CN 202222288532U CN 218549604 U CN218549604 U CN 218549604U
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Abstract
The utility model provides a ferrite magnetic ring structure and a motor, which comprises a magnetic ring and a shaft sleeve, wherein the magnetic ring is a cylindrical structure which is communicated from front to back, and the shaft sleeve is sleeved on the magnetic ring and is fixedly connected with the magnetic ring; the inner hole wall of the magnetic ring is oriented to form an NS pole block and an SN pole block, and the inner circular surfaces of the NS pole block, the N pole and the SN pole block, which are S poles, form a strong magnetic surface, and the inner circular surfaces and the outer circular surfaces of the NS pole block and the SN pole block have different polarities. The motor comprises a ferrite bead structure. The utility model has the advantages that: 1. the magnetic ring is directly used as an outer rotor or a stator, and a wire group is not required to be wound on the outer rotor or the stator, so that the structure is simpler; 2. carry out orientation at the interior pore wall of magnetic ring and form NS utmost point piece and SN utmost point piece, the N utmost point and the SN utmost point piece of NS utmost point piece constitute strong magnetic surface for the S utmost point, make the utility model discloses a motor, the operation is more stable, and the moment that produces is bigger. 3. The magnetic ring is wholly magnetized in blocks, the concentricity is good, and the magnetic leakage phenomenon caused by splicing of magnets does not exist.
Description
Technical Field
The utility model relates to a motor field mainly is a ferrite bead structure and motor.
Background
Most motors in the market use a magnetic ring as an inner rotor, a silicon steel sheet is used outside, and a coil wound by an enameled wire is used as a stator. The rotor rotates at high speed, so that the requirement on dynamic balance is high. The dynamic balance of the rigid rotor can balance the inertia force and the inertia couple through a universal balancing machine, and the vibration of the rotor on the elastic support is eliminated.
The multistage magnetic ring is a magnet which is formed by filling a plurality of pairs of magnetic poles on the outer circumference or the inner circumference of a circular ring, and in the prior art, the multistage magnetic ring is formed by splicing a plurality of magnets, each magnet has one polarity and can be divided into inner and outer single-pole charging, multi-pole direct charging and multi-pole inclined charging. Chinese patent CN109149801 discloses a stator core and a motor of motor, wherein, the stator core of motor is formed by two at least stator core lamella amalgamations, and every lamella stator core lamella includes iron core main part and insulation system, and insulation system is including wrapping up at the peripheral thin wall structure of iron core main part, and by the extending structure of thin wall structure outside extension, and extending structure divide into supporting part structure and amalgamation part structure, and supporting part structure is used for supporting stator core, and amalgamation part structure is used for amalgamation adjacent two lamella stator core lamellas. The stator core of the motor that this patent provided, insulating structure not only undertakes the function of electrical insulation, still undertakes the effect that supports whole stator core in each lamella stator core lamella of amalgamation fastening and the final assembly. The defects are as follows: 1. the manufacturing and processing difficulty is high, 2, the spliced part has errors due to the spliced magnets, seamless and uniform splicing is difficult to achieve, the dynamic balance of the magnetic ring is poor, and the problems of noise, vibration and the like of the motor are increased; 3. when the motor runs, the stability is poor, and the generated torque is small.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide a ferrite bead structure and motor.
The purpose of the utility model is achieved by the following technical scheme. A ferrite magnetic ring structure comprises a magnetic ring and a shaft sleeve, wherein the magnetic ring is a cylindrical structure which is communicated from front to back, and the shaft sleeve is sleeved on the magnetic ring and is fixedly connected with the magnetic ring; the inner hole wall of the magnetic ring is oriented to form an NS pole block and an SN pole block, the inner circular surface N pole of the NS pole block and the inner circular surface of the SN pole block are S poles to form a strong magnetic surface, each NS pole block and each SN pole block are fan-shaped and have the same size, and the inner circular surfaces and the outer circular surfaces of the NS pole block and the SN pole block have different polarities and are arranged at intervals in a certain direction to form a multi-pole structure.
Furthermore, an NS pole block and an SN pole block form a group to form a secondary structure, the NS pole block and the SN pole block are arranged in parallel with the axis, and a plurality of NS pole blocks and SN pole blocks which are arranged at intervals form a multi-pole structure.
Furthermore, the fan blades are fixed on the outer circular surface of the shaft sleeve and are uniformly distributed along the circumferential direction, and the magnetic ring is used as a rotor and is connected with the winding stator arranged inside in a rotating fit mode.
Furthermore, the magnetic ring is used as a stator and is connected with a winding rotor arranged inside in a rotating fit mode.
The utility model provides a motor simultaneously, include ferrite bead structure, still include winding stator, motor protecgulum and motor back lid, winding stator goes up the coiling and installs in the magnetic ring, behind motor protecgulum and the motor lid respectively with the terminal surface fixed connection of the both sides of axle sleeve, the fixed axle at winding stator both ends extends motor protecgulum and motor back lid respectively.
The utility model provides another kind of motor simultaneously, including ferrite bead structure, lid behind still including winding rotor, motor protecgulum and the motor, winding coil is gone up and is installed in the magnetic ring on the winding rotor, behind motor protecgulum and the motor lid respectively with the terminal surface fixed connection of the both sides of axle sleeve, the output shaft of winding rotor extends the motor protecgulum.
The utility model has the advantages that:
1. the magnetic ring can be directly used as an outer rotor, a wire group is not required to be wound on the outer rotor, the fan blades are fixed on the rotor, and the rotor directly drives the fan blades to rotate, so that the structure is simpler; the magnetic ring can also be directly used as a stator, and a wire group is not required to be wound on the stator.
2. The magnetic ring is overall structure, carries out orientation formation NS utmost point piece and SN utmost point piece at the interior pore wall of magnetic ring, and the N utmost point and the SN utmost point piece of NS utmost point piece constitute strong magnetic surface for the S utmost point, do not have strict requirement to the dynamic balance of magnetic ring, make the utility model discloses a motor, the operation is more stable, and the moment that produces is bigger.
3. The magnetic ring is wholly magnetized in blocks, the concentricity is good, and the magnetic leakage phenomenon caused by splicing of magnets is avoided.
Drawings
Fig. 1 is a schematic front view of embodiment 1 of the present invention.
Fig. 2 is a schematic side view of a cross-sectional structure according to embodiment 1 of the present invention.
Fig. 3 is a top view of the magnetic ring of the present invention.
Fig. 4 is a front view of the motor according to embodiment 1 of the present invention.
Fig. 5 is a side view of the motor according to embodiment 1 of the present invention.
Fig. 6 is a perspective exploded view of the motor according to embodiment 1 of the present invention.
Fig. 7 is a schematic front view of embodiment 2 of the present invention.
Fig. 8 is a schematic side view of a cross-sectional structure according to embodiment 2 of the present invention.
Fig. 9 is a perspective exploded view of the motor according to embodiment 2 of the present invention.
Fig. 10 is a schematic view of the motor according to embodiment 2 of the present invention applied to a treadmill.
Description of the reference numerals: the magnetic ring comprises a magnetic ring 1, a shaft sleeve 2, fan blades 3, a winding stator 4, a motor front cover 5, a motor rear cover 6, a fixed shaft 7, an NS pole block 8, an SN pole block 9, a motor mounting plate 10, a belt wheel 11, a belt 12, a supporting seat 13, a rolling shaft 14, a winding rotor 15 and an output shaft 16.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and embodiments:
example 1: as shown in fig. 1-3, the utility model provides an external rotor magnetic ring, including magnetic ring 1, axle sleeve 2 and flabellum 3, magnetic ring 1 is the tube-shape ring structure that link up from beginning to end, and axle sleeve 2 suit is connected together fixedly on magnetic ring 1 and through the anaerobic adhesive, and flabellum 3 sets up on the outer disc of axle sleeve 2 and along the circumferencial direction equipartition, and in this embodiment, flabellum 3 and axle sleeve 2 are the integrated into one piece structure.
The utility model discloses in, magnetic ring 1 uses as the rotor, and it is rotatory to drive flabellum 3 simultaneously. The magnetic ring 1 is rotatably connected with a winding stator 4 arranged inside the magnetic ring 1, a special magnetizing device is adopted to orient the inner hole wall of the magnetic ring 1 to form an NS pole block 8 and an SN pole block 9, one NS pole block 8 and one SN pole block 9 form a secondary structure, the NS pole block 8 and the SN pole block 9 are arranged in parallel with the axial lead, the N pole of the NS pole block 8 and the SN pole block 9 form a strong magnetic surface for the S pole, each NS pole block 8 and the SN pole block 9 are fan-shaped and have the same size, the inner circular surfaces and the outer circular surfaces of the NS pole block 8 and the SN pole block 9 have different polarities, and a plurality of NS pole blocks 8 and SN pole blocks 9 which are arranged at intervals form a multi-pole structure. In this embodiment, as shown in fig. 3, the structure is a 6-pole structure, the inner circular surface of the magnetic ring is a magnetic block with an S pole, the outer circular surface of the magnetic ring is an N pole (opposite), and the polarities of the inner circular surface of the magnetic ring and the outer circular surface of the magnetic ring are both arranged at intervals.
The utility model discloses a multipolar magnetic ring's magnetic field energy all concentrates the inner circle face of magnetic ring, and outer disc magnetic field is almost zero, but the magnetic pole of the inner circle face of every magnetic ring and outer disc magnetic pole are opposite magnetic pole. The structure is beneficial to the light weight, high efficiency and energy saving of the motor.
As shown in fig. 4-6, the utility model provides a be applied to motor of exhaust fan simultaneously, including foretell external rotor magnetic ring, still include lid 6 behind winding stator 4, motor protecgulum 5 and the motor, winding coil is gone up and is installed in magnetic ring 1 on winding stator 4, and motor protecgulum 5 and motor back lid 6 are respectively with the terminal surface fixed connection of the both sides of axle sleeve 2, generally be in the same place through fastener and mounting hole fixed connection. The fixed shafts 7 at the two ends of the winding stator 4 respectively extend out of the motor front cover 5 and the motor rear cover 6, and the winding stator 4 is fixed when the motor is used. After the power is switched on, the outer rotor magnetic ring is driven by a rotating magnetic field generated by the stator winding to rotate at a high speed as a rotor.
The utility model discloses a product is in making, is to the hole department of magnetic ring orientation, makes the magnetic domain arrange according to a definite direction to reach required field intensity and utmost point number, install in the axle sleeve that has the flabellum, only need to glue magnetic ring and overcoat with the anaerobism and play the fixed action together, can accomplish the equipment.
The magnetic ring can be designed into products with different specifications and different pole numbers according to different customer requirements, the number of poles in one specification is 10 pole magnetic rings at present, the surface magnetic field intensity reaches 1750Gs, the magnetic ring is used for a fan motor, and the magnetic ring is used as an outer rotor and directly drives fan blades to rotate. Significant results have been achieved through customer validation testing by matching the drive and windings.
Example 2: as shown in fig. 7-8, the magnetic ring comprises a magnetic ring 1 and a shaft sleeve 2, wherein the magnetic ring 1 is a cylindrical structure which is through from front to back, and the shaft sleeve 2 is sleeved on the magnetic ring 1 and is fixedly connected with the magnetic ring 1; the magnetic ring 1 is used as a stator and is connected with a winding rotor 15 arranged inside in a rotating fit mode. The inner hole wall of the magnetic ring 1 is oriented to form an NS pole block 8 and an SN pole block 9, the inner circular surface N pole of the NS pole block 8 and the inner circular surface of the SN pole block 9 are S poles to form a strong magnetic surface, each NS pole block 8 and each SN pole block 9 are fan-shaped and have the same size, the inner circular surfaces and the outer circular surfaces of the NS pole block 8 and the SN pole block 9 have different polarities, and are arranged at intervals in the direction parallel to the axial lead to form a multi-pole structure. In the embodiment, the inner diameter of the magnetic hole is used as one surface of strong magnetism, so that the inner hole of the magnetic ring generates a closed magnetic circuit, and the wound rotor is used for cutting magnetic lines of force to generate kinetic energy.
As shown in fig. 9, the utility model provides a motor, include ferrite bead structure, winding rotor 15, motor protecgulum 5 and motor after lid 6, winding coil is gone up and is installed in magnetic ring 1 on winding rotor 15, motor protecgulum 5 and motor after lid 6 respectively with the terminal surface fixed connection of the both sides of axle sleeve 2, winding rotor 15's output shaft 16 extends motor protecgulum 5.
As shown in fig. 10, the present invention provides the application of the motor shown in fig. 9 to a treadmill, which comprises a motor mounting plate 10, a belt wheel 11, a belt 12, a supporting base 13 and a roller 14, wherein an output shaft 16 of the motor is coupled to the belt wheel 11 and transmits power to the roller 14 through the belt 12.
In embodiment 2, the magnetic ring is used as the stator, the magnetic ring is only needed to be adhered in the shaft sleeve by anaerobic glue, and the wound rotor 15 is used as the inner rotor, so that the mode is simple and convenient to install and easy to operate. The magnetic field loop is generated in the magnetic ring, and the inner diameter pole of the magnetic ring is oriented by adopting the pre-orientation in the inner hole of the magnetic ring, so that the method does not need strict requirements on the dynamic balance of the magnetic ring, and the consistency with the clearance around the rotor is ensured as long as the processing size of the inner hole of the magnetic ring is within a certain tolerance range. The motor bearing capacity is larger and the torque is stronger in the mode.
It should be understood that the technical solutions and the inventive concepts of the present invention as equivalent as those of the skilled in the art should be replaced or changed by the claims.
Claims (6)
1. A ferrite bead structure is characterized in that: the magnetic ring comprises a magnetic ring (1) and a shaft sleeve (2), wherein the magnetic ring (1) is of a cylindrical structure which is through from front to back, and the shaft sleeve (2) is sleeved on the magnetic ring (1) and is fixedly connected with the magnetic ring (1); the inner hole wall of the magnetic ring (1) is oriented to form an NS pole block (8) and an SN pole block (9), the inner circular surface N pole of the NS pole block (8) and the inner circular surface of the SN pole block (9) are S poles to form a strong magnetic surface, each NS pole block (8) and each SN pole block (9) are fan-shaped and have the same size, the inner circular surfaces and the outer circular surfaces of the NS pole block (8) and the SN pole block (9) have different polarities, and are arranged at intervals in a certain direction to form a multi-pole structure.
2. The ferrite bead structure of claim 1, wherein: an NS pole block (8) and an SN pole block (9) form a group to form a secondary structure, the NS pole block (8) and the SN pole block (9) are arranged in parallel with the axis, and a plurality of NS pole blocks (8) and SN pole blocks (9) which are arranged at intervals form a multi-pole structure.
3. The ferrite bead structure of claim 1 or 2, wherein: flabellum (3) are fixed and are followed the circumferencial direction equipartition on axle sleeve (2) excircle face, and magnetic ring (1) is as the rotor for be connected with the wire winding stator (4) of installing inside and be normal running fit.
4. The ferrite bead structure of claim 1 or 2, wherein: the magnetic ring (1) is used as a stator and is connected with a winding rotor (15) arranged inside in a rotating fit manner.
5. An electric machine comprising the ferrite bead structure of claim 3, wherein: the magnetic flux-driven magnetic field generator is characterized by further comprising a winding stator (4), a motor front cover (5) and a motor rear cover (6), wherein coils are wound on the winding stator (4) and are installed in the magnetic ring (1), the motor front cover (5) and the motor rear cover (6) are fixedly connected with the end faces of the two sides of the shaft sleeve (2) respectively, and the fixed shafts (7) at the two ends of the winding stator (4) extend out of the motor front cover (5) and the motor rear cover (6) respectively.
6. An electric machine comprising the ferrite bead structure of claim 4, wherein: still include around wire rotor (15), motor protecgulum (5) and motor back lid (6), around wire coil and install in magnetic ring (1) on around wire rotor (15), motor protecgulum (5) and motor back lid (6) respectively with the terminal surface fixed connection of the both sides of axle sleeve (2), output shaft (16) of around wire rotor (15) extend motor protecgulum (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222288532.2U CN218549604U (en) | 2022-08-30 | 2022-08-30 | Ferrite magnetic ring structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222288532.2U CN218549604U (en) | 2022-08-30 | 2022-08-30 | Ferrite magnetic ring structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218549604U true CN218549604U (en) | 2023-02-28 |
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ID=85270034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222288532.2U Active CN218549604U (en) | 2022-08-30 | 2022-08-30 | Ferrite magnetic ring structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218549604U (en) |
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2022
- 2022-08-30 CN CN202222288532.2U patent/CN218549604U/en active Active
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