TWI698073B - Variable magnet incorporated energy-saving motor - Google Patents

Abstract

A variable magnet incorporated energy-saving motor includes a housing, a rotary shaft mounted in the housing, a rotor mounted on the rotary shaft, a stator mounted around the inner perimeter of the housing, a plurality of first magnets arranged on a first diameter around the rotor, and a plurality of second magnets arranged on a second diameter around the rotor and biased a predetermined angle relative to the first magnets. The stator is a hybrid magnet, comprising an electromagnet with the magnetic pole thereof facing the first magnets and the second magnets and a plurality of third magnets connected to the electromagnet. Thus, the different magnetic poles of the rotor act upon the hybrid magnet at the stator so that the first magnet and the second magnet are attracted by the electromagnet and then repelled, achieving higher output power.

Description

Energy-saving motor with hybrid variable magnetic force

The present invention relates to an electric motor, in particular to an energy-saving electric motor of hybrid variable magnetic force that drives the rotor to rotate by the magnetic field action of the hybrid magnet and the permanent magnet.

The conventional electric motor (Electric motor) is a kind of electrical equipment that converts electrical energy into mechanical energy, and can use mechanical energy to generate kinetic energy, which is used to drive other devices. Most of the motors are generated in the motor through the magnetic field and winding current. energy. The principle of motor rotation is based on Fleming's left-hand rule or right-hand palm rule. When a wire is placed in a magnetic field, if the wire is energized, the wire will move due to the cutting of the magnetic field lines.

Therefore, the rotor or stator of the motor is provided with an electromagnet composed of multiple coils, and when the current enters the coil, the electromagnet generates a magnetic field, so that the magnetic effect of the current is used with the permanent magnet or the magnetic field generated by another set of coils The interaction generates power, which in turn causes the rotor to continuously rotate, so that electrical energy can be converted into mechanical kinetic energy. The greater the current passing through the coil of the electromagnet, the stronger the magnetic effect will be, which will make the motor produce greater output power, but this will cause excessive power consumption and overheating, which will shorten the life of the motor. Therefore, how to pass a smaller current to the electromagnet to be able to generate a larger magnetic field, thereby achieving a larger output power, reducing the heating of the motor, and making the motor more energy-saving and power-saving, has become the object of the present invention.

The main purpose of the present invention is to provide a hybrid variable magnetic energy energy-saving motor, which has a housing, a rotating shaft, a rotor, stator and other components, through the special magnet setting structure and angle on the rotor, and matched with the hybrid magnet on the stator The design can pass a smaller current to the electromagnet of the hybrid magnet to generate a larger magnetic field, thereby achieving the purpose of increasing the output power, reducing the heating of the motor, and making the motor more energy-saving.

In order to achieve the above-mentioned object, the hybrid variable magnetic energy-saving motor of the present invention includes: a hollow shell; a rotating shaft, the rotating shaft rotatably penetrates the center of the shell, and one or both ends of the rotating shaft protrude from the Shell; a rotor, the rotor has a rotating body combined with the shaft of the rotating shaft and located in the shell, and a plurality of first magnets and second magnets combined around the rotating body; the plurality of first magnets radiate The second magnets are arranged radially on a first diameter around the rotating body, and the second magnets are arranged radially on a second diameter around the rotating body. The second diameter is smaller than the first diameter; Two magnets are inserted between each of the first magnets. The outer end of the first magnet is a first magnetic pole, and the outer end of the second magnet is a second magnetic pole. The first magnetic pole is different from the second magnetic pole. The magnetic poles are arranged so that the first magnetic pole and the second magnetic pole are arranged to cross; and the outer ends of each of the first magnet and each of the second magnets are offset in the opposite direction to the rotation direction of the rotor, and each of the first magnets An included angle is formed between the radial axis of the rotor to which each of the second magnets are connected to one side thereof; and a stator, the stator has a plurality of hybrid magnets combined around the inside of the housing, the hybrid magnet includes a The third magnet includes a yoke coupled to the outer end of the third magnet, and an electromagnet coupled to the inner end of the third magnet. The electromagnet has a third magnetic pole facing the first magnetic pole and the second magnetic pole.

In the above-mentioned hybrid variable magnetic energy-saving motor, the included angle is 3°~35°.

In the above-mentioned hybrid variable magnetic energy-saving motor, the electromagnet has an iron core abutting on the inner end of the third magnet, an insulating layer covering the iron core, and a ring of the insulating layer around the iron core For the excitation coil outside the layer, one end of the iron core faces the first magnetic pole and the second magnetic pole.

In the above-mentioned hybrid variable magnetic energy-saving motor, the first magnetic pole is S pole and the second magnetic pole is N pole, or the first magnetic pole is N pole and the second magnetic pole is S pole.

In the energy-saving motor with hybrid variable magnetic force, the first magnet, the second magnet and the third magnet are square magnets.

In the above-mentioned hybrid variable magnetic energy-saving motor, the iron core of the electromagnet is formed by stacking several silicon steel sheets.

The above-mentioned hybrid variable magnetic energy-saving motor further includes a coaxial generator that converts mechanical energy into electrical energy, and the coaxial generator is arranged on one end surface of the housing and connected to the rotating shaft.

The energy-saving motor with hybrid variable magnetic force of the present invention, through the housing, rotating shaft, rotor, stator and other components, especially through the different poles of the first magnet and the second magnet on the rotor, acting on the hybrid magnet on the stator, when the rotor rotates, A small current can be passed to the electromagnet of the hybrid magnet to use the electromagnet of the hybrid magnet to attract and repel the poles of the first and second magnets, thereby achieving greater output power and reducing motor heating , And make the motor more energy-saving and power-saving effect.

The structural features and other functions and purposes of the present invention are described in detail according to the embodiments of the drawings as follows:

Referring to Figure 1, Figure 2 and Figure 3, the hybrid variable magnetic energy-saving motor of the present invention is an energy-saving motor in which electrical energy is converted to magnetic energy and the magnetic energy is converted into mechanical energy. The preferred embodiment is; The variable magnetic energy-saving motor mainly includes a housing 10, a rotating shaft 20, a rotor 30 and a stator 40. The housing 10 can be composed of two corresponding circular plates 11 (as shown in Figures 1 and 2 ), or a hollow cylinder or disc, basically its structure is not limited; the rotating shaft 20 rotatably penetrates the center of the housing 10, and one or both ends of the rotating shaft 20 protrude from the housing 10 (shown in FIG. 3) to be able to output mechanical power from the rotating shaft 20.

The structure of the rotor 30 is shown in FIGS. 3, 4, and 5, and it has a rotating body 31 integrated with the shaft body of the rotating shaft 20 and located inside the housing 10, and several integrated around the rotating body 31 The first magnet 32 and the second magnet 33; the rotating body 31 can be implemented as a disc body, a hole 311 in the center of the rotating body 31 for the rotating shaft 20 to pass through; the plurality of first magnets 32 are arranged in a radial pattern Is arranged on a first diameter A1 around the rotating body 31, the plurality of second magnets 33 are arranged radially on a second diameter A2 around the rotating body 31, the second diameter A2 is smaller than the first diameter A2 Diameter A1; each of the second magnets 33 is inserted between each of the first magnets 32, the outer end of the first magnet 32 is a first magnetic pole 321, and the outer end of the second magnet 33 is a second magnetic pole 331, The first magnetic pole 321 and the second magnetic pole 331 are different magnetic poles (for example, one is an N pole and the other is an S pole), so that the first magnetic pole 321 and the second magnetic pole 331 are arranged in a crossed arrangement; see FIG. 6 As shown, the outer ends of each of the first magnets 32 and each of the second magnets 33 are connected to one side of the radial axis B1 of the rotating body 31 that is in contact with each of the first magnets 32 and each of the second magnets 33. The center point B2 is offset opposite to the rotation direction C1 of the rotor 30, and an included angle is formed between each of the first magnets 32 and each of the second magnets 33 and the radial axis B1 of the rotating body 31 with which one side thereof is connected θ1, θ2, the angle of the included angle θ1, θ2 is preferably in the range of 3° to 35°.

The structure of the stator 40 is shown in FIG. 2, FIG. 3, FIG. 7 and FIG. 8. It has a plurality of hybrid magnets 41 combined around the inside of the housing 10. The hybrid magnet 41 includes a third magnet 42, a The yoke 43 at the outer end of the third magnet 42 is an electromagnet 44 coupled to the inner end of the third magnet 42. The electromagnet 44 has a third magnetic pole 441 facing the first magnetic pole 321 and the second magnetic pole 331. Among them, the preferred embodiment of the electromagnet 44 has an iron core 442 leaning against the inner end of the third magnet 42, an insulating layer 443 covering the iron core 442, and a circle around the iron core 442 The surrounding excitation coil 444 outside the insulating layer 443 forms a third magnetic pole 441 through one end surface of the iron core 442 and faces the first magnetic pole 321 and the second magnetic pole 331.

4 again, the first magnetic pole 321 of the first magnet 32 can be implemented as an S pole, and the second magnetic pole 331 of the second magnet 33 can be implemented as an N pole; conversely, the first magnet 32 can also be The first magnetic pole 321 is implemented as an N pole, and the second magnetic pole 331 of the second magnet 33 is implemented as an S pole. The first magnet 32, the second magnet 33 and the third magnet 42 are preferably implemented as square magnets; and the iron core 442 of the electromagnet 44 is a block formed by stacking a plurality of silicon steel sheets. In addition, referring to FIG. 9, the present invention can also be implemented with a coaxial generator 50 that converts mechanical energy to electrical energy. The coaxial generator 50 is arranged on one end of the housing 10 and connected to the rotating shaft 20. Accordingly, the present invention can be applied Become a generator.

The energy-saving motor with hybrid variable magnetic force of the present invention, through the combination of the housing 10, the rotating shaft 20, the rotor 30, the stator 40 and other components, especially through the different magnetic poles of the first magnet 32 and the second magnet 33 on the rotor 30. The special included angle θ1, θ2 structure corresponds to the hybrid magnet 41 on the stator 40. When the rotor 30 rotates, a small current can pass through the electromagnet 44 of the hybrid magnet 41, and the first magnet 32 and the second magnet The first magnetic pole 321 and the second magnetic pole 331 of the two magnets 33 generate attraction and then repel; moreover, the present invention can increase the magnetic field of the electromagnet 44 through the combination of the third magnet 42 of the hybrid magnet 41 and the electromagnet 44 , Thereby achieving greater output power, reducing motor heating, and making the motor more energy-saving and power-saving.

The foregoing embodiments are merely illustrative of the main technology of the present invention, and are not intended to limit the technical scope of the case. Anything involving equivalent applications or simple changes or replacements based on the preceding technical means are regarded as the technical features of the present invention. contain.

10‧‧‧Housing 11‧‧‧Circular plate 20‧‧‧Rotating shaft

30: Rotor

31: Swivel

311: Piercing

32: The first magnet

321: first pole

33: second magnet

331: second pole

A1: The first diameter

A2: second diameter

B1: radial axis

B2: Center point

C1: Rotation direction

θ 1, θ 2: included angle

40: stator

41: Hybrid magnet

42: The third magnet

43: Yoke

44: Electromagnet

441: third pole

442: iron core

443: insulating layer

444: Excitation Coil

50: Coaxial generator

Fig. 1 is a three-dimensional schematic diagram of a preferred embodiment of a hybrid variable magnetic energy-saving motor of the present invention. Figure 2 is an exploded schematic diagram of a preferred embodiment of the hybrid variable magnetic energy-saving motor of the present invention. Figure 3 is a schematic longitudinal cross-sectional view of a preferred embodiment of the hybrid variable magnetic energy-saving motor of the present invention. Fig. 4 is a schematic cross-sectional view of a preferred embodiment of the hybrid variable magnetic energy-saving motor of the present invention. 5 is an exploded schematic view of a preferred embodiment of the combined structure of the first magnet and the second magnet of the present invention. 6 is a schematic diagram of a preferred embodiment of the installation angle of the first magnet and the second magnet of the present invention. Fig. 7 is a perspective view of a preferred embodiment of the hybrid magnet of the stator of the present invention. Fig. 8 is an exploded schematic view of a preferred embodiment of the hybrid magnet of the stator of the present invention. Figure 9 is a schematic diagram of the motor of the present invention additionally provided with a generator.

10‧‧‧Shell

11‧‧‧round plate

20‧‧‧Shaft

30‧‧‧Rotor

31‧‧‧Turn

311‧‧‧Perforation

32‧‧‧First magnet

321‧‧‧first pole

33‧‧‧Second Magnet

331‧‧‧Second magnetic pole

40‧‧‧Stator

41‧‧‧Hybrid magnet

42‧‧‧The third magnet

43‧‧‧Yoke

44‧‧‧Electromagnet

441‧‧‧third pole

Claims (7)

An energy-saving motor with hybrid variable magnetic force, comprising: a hollow shell; a rotating shaft rotatably pierced in the center of the shell, and one or both ends of the rotating shaft protrude from the shell; a rotor, the rotor There is a rotating body combined with the shaft of the rotating shaft and located in the housing, and a plurality of first magnets and second magnets combined around the rotating body; the plurality of first magnets are arranged radially on the rotating body On a surrounding first diameter, the plurality of second magnets are radially arranged on a second diameter around the rotating body, and the second diameter is smaller than the first diameter; each second magnet is interspersed and disposed on each Between the first magnets, the outer end of the first magnet is a first magnetic pole, and the outer end of the second magnet is a second magnetic pole. The first magnetic pole and the second magnetic pole are different magnetic poles so that the first magnetic pole The outer ends of each of the first magnets and each of the second magnets are offset opposite to the direction of rotation of the rotor, and each of the first magnets and each of the second magnets An included angle is formed between the radial axes of the rotor connected to one side thereof; and a stator, the stator has a plurality of hybrid magnets combined around the inside of the housing, the hybrid magnet includes a third magnet, and a stator The yoke at the outer end of the third magnet is an electromagnet coupled to the inner end of the third magnet; the electromagnet has an iron core abutting on the inner end of the third magnet, an insulating layer covering the iron core, and An excitation coil is wound around the insulating layer around the iron core, and the iron core has a third magnetic pole facing the first magnetic pole and the second magnetic pole. The hybrid variable magnetic energy-saving motor of claim 1, wherein the included angle is 3°~35°. The hybrid variable magnetic energy-saving motor of claim 1, wherein one end surface of the iron core is the third magnetic pole facing the first magnetic pole and the second magnetic pole. The hybrid variable magnetism energy-saving motor of any one of claims 1 to 3, wherein the first magnetic pole is S pole, the second magnetic pole is N pole, or the first magnetic pole is N pole, and the second magnetic pole It is S pole. The energy-saving motor with hybrid variable magnetic force according to claim 1, wherein the first magnet, the second magnet and the third magnet are square magnets. The energy-saving motor with hybrid variable magnetic force according to claim 3, wherein the iron core of the electromagnet is formed by stacking several silicon steel sheets. The energy-saving hybrid variable magnetic motor according to claim 1, further comprising a coaxial generator that converts mechanical energy to electrical energy, and the coaxial generator is arranged on one end surface of the housing and connected to the rotating shaft.

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