CN112165233A

CN112165233A - Circular vibration motor

Info

Publication number: CN112165233A
Application number: CN202010945445.2A
Authority: CN
Inventors: 黄开午
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-01-01
Anticipated expiration: 2040-09-07
Also published as: CN112165233B

Abstract

The invention relates to a circular vibration motor, which belongs to the technical field of multiphase motors and aims to solve the problems that a rotary motor is limited due to the action of centrifugal force and the magnitude of excitation force cannot be adjusted on line.

Description

Circular vibration motor

Technical Field

The invention discloses a circular vibration motor, belongs to the technical field of multiphase motors, and particularly relates to a disc type linear motor.

Background

The vibration motor is provided with a rotating shaft, a bearing and an eccentric block middle switching mechanism device, the rotation is limited under the action of centrifugal force, and the magnitude of exciting force cannot be adjusted on line.

Disclosure of Invention

The invention aims to provide a circular vibration motor, which directly converts electric energy into circular vibration mechanical energy without an intermediate conversion mechanism, and the circular vibration frequency and the excitation force can be regulated and controlled on line.

The scheme adopted by the invention to solve the technical problem is as follows: the disc type phase-shifting capacitor comprises a disc, primaries, capacitors, rings, a shaft and plate springs, wherein the shaft penetrates through the center of the disc and is fixed, the disc is externally provided with a plurality of primaries in a circular array on the side surface, the primaries are connected with two windings in parallel, one winding is connected with the phase-shifting capacitor in series, the disc and the rings are matched in a concentric mode, the primary magnetic poles face the rings and are provided with air gaps, and the excircle of the rings is provided with a plurality of plate spring supports.

Two windings are arranged in a primary winding, one winding is connected with a phase-shifting capacitor in series and then connected with the other winding in parallel, alternating current is input into the primary winding, a traveling wave magnetic field is generated under the phase-shifting action of the capacitor, a ring induces electromotive force and generates current under the cutting of the traveling wave magnetic field, the current of the ring (the ring is made of metal and is regarded as an infinite number of conducting bars) and an air gap magnetic field interact to generate electromagnetic thrust, the electromagnetic thrust is superposed with an angular bisector of a central angle occupied by the primary winding, the direction deviates from the circle center, and the shaft, the disc and the primary winding are fixedly connected, so that the ring deviates from the circle center under the action of the electromagnetic thrust.

The alternating current is input into the primary in sequence, the primary sequentially generates a traveling wave magnetic field, the traveling wave magnetic field acts on the circular ring, the circular ring sequentially generates electromagnetic thrust, and under the action of the sequential electromagnetic thrust, the circular ring sequentially deviates from the circle center to form an enlarged circle, namely circular vibration.

The alternating current is sequentially input into each primary stage once to form a period, the circular ring deviates from the circle center once in sequence, namely, an enlarged circle is formed once, namely, the circular vibration period, the alternating current is sequentially and continuously input, the circular ring sequentially continues the enlarged circular motion, namely, circular vibration is generated, and the circular vibration frequency of the circular ring can be changed by changing the sequential input frequency of the alternating current, namely, the circular vibration frequency is changed.

The size of the current of the input primary is determined by the size of the electromagnetic thrust, and the size of the electromagnetic thrust is determined by the size of the amplitude of the disc deviating from the center of the circle, so that the size of an enlarged circle formed by the circular ring can be changed by changing the input primary current, namely the size of the exciting force is changed.

The characteristics of leaf springs are known: the flat spring is a rectangular section plate, which is easy to bend on the plane with the minimum rigidity only in one direction, and has large tensile rigidity and bending rigidity in the other direction, the circular ring is supported by the flat spring, the moving direction of the circular ring deviating from the center of the circle is on the minimum rigidity of the flat spring, the air gap formed between the magnetic pole surface of the primary and the side surface of the circular ring is on the plane with the maximum rigidity, and therefore, under the condition of a small air gap, the movement between the primary and the circular ring does not interfere.

The rapid development of electronic technology, the multi-phase signal generator and the electric power device are very mature, and the multi-phase driving power supply matched with the circular vibration motor is easy to realize.

In the above, after the primary input alternating current generates the traveling wave magnetic field, the traveling wave magnetic field induces the circular ring to generate the electromagnetic thrust, so that the circular ring deviates from the center of the circle to generate circular vibration, and actually, the circular vibration motor is similar to the rotary motor, and many embodiments can be provided, such as: the circular ring can circularly array the magnets to improve the efficiency; the primary magnets can be circularly arrayed on the circular ring according to the working condition requirement, and the circular discs can be circularly arrayed with the magnets; the driving power supply can select alternating current, direct current, pulse and other currents with different waveforms, can move in a disc and fix in a circular ring, and belongs to the category of directly converting electric energy into circular vibration mechanical energy.

In conclusion, the circular vibration motor directly converts the electric energy into the circular vibration mechanical energy, simplifies the device, has unlimited centrifugal force effect, reduces the manufacturing cost, is easy to maintain and is reliable to operate; meanwhile, the frequency and the exciting force can be adjusted on line, and intelligent control is facilitated.

Drawings

FIG. 1 is a schematic view of a circular vibration motor of the present invention

FIG. 2 is a schematic view of winding connection of the circular vibration motor of the present invention

FIG. 3 is a schematic view of the circular vibration generator according to the present invention forming circular vibration

FIG. 4 is a schematic view of a primary double-sided type of the circular vibration motor of the present invention

FIG. 5 is a schematic axial view of a circular vibration motor according to the present invention

The reference numbers in the figures illustrate: the primary (2) of the disc (1), the ring (3), the shaft (4) and the thrust direction (5) are fixed (6), the leaf spring (7), the angular bisector (8), the winding (9), the capacitor (10), the winding (11), the circular vibration track (12) and the circular vibration direction (13) are arranged on the disc (1), and equipment (14)

Note: 1. the description that the ring (3) generates electromagnetic thrust and coincides with the angular bisector of the central angle occupied by the primary, and the direction deviates from the center of the circle: the central angle occupied by the primary (2) is shown as fig. 1 NOM, the angular bisector is shown as fig. 1(8), and the direction deviation from the center is shown as the direction (5) of thrust in fig. 1 deviates from the center O. 2. The disc (1) may be made of steel for the induction of electric current.

Detailed Description

The present invention will be further described with reference to the accompanying

drawings

1, 2, 3, 4, 5 and six-phase ac induction circular vibration motor embodiments:

the reference numbers in the figures illustrate: the primary 2 (comprising six primary of a, b, c, d, e and f, namely A, B, C, D, E, F six-phase) ring 3 of the disc 1 fixes 6 pieces of spring 7, a winding 9, a capacitor 10, a winding 11, a circular vibration track 12 and a circular vibration direction 13 device 14 in the thrust direction 5 of the shaft 4.

Fig. 1 and 2 are schematic illustrations in combination: the center of the disc 1 is provided with a shaft 4, the disc 1 is fixedly connected with the shaft 4, the shaft 4 is fixed 6, six primary windings 2(a, b, c, d, e and f) are circularly arrayed on the disc 1, windings 9, capacitors 10 and windings 11 are arranged in the primary windings (a, b, c, d, e and f), the windings 9 are connected with the capacitors 10 in series and then connected with the windings (11) in parallel, and A, B, C, D, E, F six phases are formed; the circular ring (3) is concentrically matched with the disc (1), an air gap is reserved between the circular ring (3) and the primary coil (2), and the outer circle side of the circular ring (3) is supported and fixed (6) through a plurality of springs (7).

Alternating current is input into the primary 2-a, the winding 9 and the winding 11 generate a traveling wave magnetic field under the phase-shifting action of the capacitor 10, the ring 3 induces electromotive force and generates current under the cutting of the traveling wave magnetic field, the current of the ring 3 (the ring is made of metal and is made into infinite conducting bars) and the air gap magnetic field interact to generate electromagnetic thrust in the direction 5, and the ring 3 deviates from the circle center O.

As known to those skilled in the art, the magnitude of the current is proportional to the magnitude of the magnetic field, the magnitude of the magnetic field is proportional to the electromagnetic thrust, and the magnitude of the electromagnetic thrust is proportional to the distance or amplitude of the ring 3 from the center O, so that changing the magnitude of the input primary 2 current can change the distance or amplitude of the ring 3 from the center O, i.e., the magnitude of the exciting force.

Fig. 2 and 3 are schematic illustrations in combination: after the alternating current is input into the primary 2-a (A), the primary 2-b (B), the primary 2-c (C), the primary 2-d (D), the primary 2-e (E) and the primary 2-f (F) which are in six phases, the primary 2 sequentially generates a traveling wave magnetic field, the six traveling wave magnetic fields act on the circular ring 3, the circular ring 3 sequentially generates six electromagnetic thrusts, and under the action of the six electromagnetic thrusts, the circular ring 3 forms an 'increasing' circular track 12 and a direction 13, namely circular swing which is used for circular vibration.

Alternating current is sequentially input into the primary 2- (a-f) [ ABCDEF ] once to form a period, then the circular ring 3 sequentially swings six times to form a circular track 12 to form a period, the speed of the period that the alternating current is sequentially input into the primary 2 determines the speed of the period that the circular ring 3 sequentially swings, namely the frequency that the alternating current is sequentially input into the primary 2- (a-f) [ ABCDEF ] determines the swinging frequency of the circular ring 3 and is used as the circular vibration frequency, and then the frequency that the alternating current is sequentially input into the primary 2- (a-f) [ ABCDEF ] can be changed to change the circular vibration frequency of the circular ring 3.

FIG. 4 is a schematic illustration of the primary double-sided version of the present invention: in the schematic diagram of fig. 1, the primary 2 is arranged on one side of the ring 3, the large normal suction force exists between the primary 2 and the ring 3 on the disc 1, when the ring 3 is made of steel, the normal suction force can reach 10 times of the thrust force, and the normal suction force is undesirable, so the discs 1 and the primary 2 are arranged on both sides of the ring 3, and the normal suction forces are mutually counteracted.

The excircle of the circular ring 3 is provided with a plurality of springs 7 for supporting, the springs 7 are rectangular section pieces, the circular ring 3 is easy to bend on a plane with minimum rigidity only in one direction, and has large tensile rigidity and bending rigidity in the other direction, the springs 7 are used for supporting the circular ring 3, the moving direction of the circular ring 3 deviating from the circle center is on the minimum rigidity of the springs 7, an air gap formed between the magnetic pole surface of the primary 2 and the side surface of the circular ring 3 is on the maximum rigidity surface, and the circular ring 3 is supported by a plurality of springs 7 so that the primary 2 and the circular ring 3 do not interfere in the movement in the small air gap, which is a key ring for improving the mechanical energy efficiency of direct conversion of electric energy into circular vibration.

The circular vibration is to be loaded and the ring 3 can be embedded in a device 14, which device 14 is supported by several springs 7.

FIG. 5 illustration of an axial schematic of the invention: the working condition requires shaft vibration, the device 14 is fixed 6, and the shaft 4 is fixed 6 through the flat spring 7.

The circular vibration motor can directly convert the electric energy into the circular vibration mechanical energy, is feasible and reasonable, and can regulate and control the frequency and the exciting force on line.

Claims

1. Circular vibrating motor, its characterized in that: comprises a disc (1), a primary stage (2), a ring (3), a shaft (4), a flat spring (7) and a capacitor (10); the shaft (4) penetrates through the center of the disc (1) and is fixed, and the disc (1) is externally provided with a plurality of primary stages (2) in a side circle array and is tightly connected; the primary winding (2) is provided with a winding (9), the winding (9) is connected with a capacitor (10) in series, and the winding (9) connected with the capacitor (10) in series is connected with a winding (11) in parallel; the disc (1) is concentrically matched with the circular ring (3), and an air gap is reserved between the magnetic pole surface of the primary (2) and the side surface of the circular ring (3); the excircle of the ring (3) is provided with a plurality of springs (7) for supporting.

2. The circular vibration motor according to claim 1, wherein: the ring (3) can circularly array the magnets, so that the ring (3) deviates from the center of a circle.

3. The circular vibration motor according to claim 1, wherein: the disc (1) can be circularly arrayed with the magnets, and the ring (3) can be circularly arrayed with the primary (2), so that the ring (3) or the disc (1) deviates from the center of a circle.

4. The circular vibration motor according to claim 1, wherein: the primary (2) and the circular ring (3) in other forms of circular vibration mechanical energy are directly generated by electric energy, and the circular ring (3) or the disc (1) is supported by a flat spring (7) to deviate from the center.