TWI710200B - Motor device with power feedback - Google Patents

Abstract

A motor device with power feedback includes a rotational shaft, a casing, a stator unit, a rotor unit, and a power unit. The stator unit is disposed on the rotational shaft in the casing and includes a first and a second magnetic conducting members. The first and second magnetic conducting members have a power input coil and a power output coil, respectively, wherein the number of turns of the power input coil is smaller than the number of turns of the power output coil. The rotor unit and the stator unit are co-axially disposed. The rotor unit has a plurality of magnetic members that are between the power input and power output coils. The power unit provides the power to the power input coil, such that the rotor unit rotates with respect to the stator unit, and the power output coil generates a power output. Therefore, a power feedback is achieved.

Description

Motor device with energy feedback (1)

The present invention relates to a motor, especially a motor device with electric energy feedback.

A motor is an application in which electrical energy is supplied to the coils on the stator and the magnetic elements on the external rotor to generate inductive stress magnetism and convert it into kinetic energy. As energy issues and environmental protection issues are highly valued, the energy-saving and multi-functional use of motors is indeed The most important development trend at present.

Under normal circumstances, the load of the motor at startup is greater than the load at the time of operation. Generally, the output power and speed of the motor will be increased when the motor is started in order to respond to the load at the start of the motor. However, after the motor is running, it will still be Provide the same high power and high speed for operation, as a result, excess energy waste will be generated.

In order to reduce the energy consumption of motors, most of them use two energy-saving methods. The first energy-saving method is to drive a larger load or provide a higher speed operation with the same amount of electrical energy input; the second energy-saving method In order to reduce the input electric energy under the same load and speed.

However, in the prior art, almost all start with increasing the number of coils of the electromagnetic winding or increasing the magnetic force of the permanent magnet, but due to the consideration of the overall volume and cost of the motor, effective energy saving effects cannot be achieved.

In order to solve the above-mentioned problems, the present invention provides a motor device with feedback power. The power input coil receives power, the rotor unit rotates relative to the stator unit, and the output coil generates output power; thereby, the output power can be used as other Use it to improve motor efficiency and save energy.

An embodiment of the present invention provides a motor device with feedback electric energy, which includes: a rotating shaft having an axis; a housing, which is generally cylindrical and hollow, and the housing is connected to the rotating shaft along the axial direction, and the housing There is an accommodating space inside; the stator unit is arranged in the accommodating space of the housing case along the axis of the rotating shaft. The stator unit has an input magnetic conductive part and an output conductive magnetic part. The incoming coil and the outgoing conductor magnetic part are wound with an outgoing coil, in which the number of turns of the incoming coil is less than the number of turns of the outgoing coil; a rotor unit, which is coaxially arranged with the stator unit along the axis of the rotating shaft. The accommodating space of the casing is placed in the housing and rotates relative to the stator unit; the rotor unit has a positioning seat for the positioning of a plurality of magnetic parts, and each magnetic part is located between the input coil and the output coil; and a power unit, which Coupled with the stator unit, the power unit provides electric energy to the input coil, the stator unit and the rotor unit generate a magnetic field, so that the rotor unit rotates relative to the stator unit, and the output coil generates an output power.

In one of the embodiments, the power unit has a power source and an output diode, the power source is coupled to the anode of the output diode, and the cathode of the output diode is coupled to the input coil.

In one of the embodiments, the present invention further has a power filter, which is coupled between the power unit and the output coil. The output coil transmits the output power to the power filter through the wire, and the output power is performed through the power filter. Filtering, step-down and voltage stabilization processing, the power filter transmits the processed output power to the power supply.

In one of the embodiments, the power unit further has an input diode, the anode of the input diode is coupled to the power filter, and the cathode of the input diode is coupled to the power source.

In one of the embodiments, the positioning seat has a storage space, and the conductive magnetic component is disposed in the storage space.

In one of the embodiments, the magnetic input and the magnetic output are arranged coaxially and spaced apart with respect to the axis; the magnetic output is arranged around the positioning base and the outer periphery of each magnetic member.

In one of the embodiments, the bottom of the positioning seat is provided with a plurality of fixed parts protruding along the axis direction, and the fixed parts are spaced apart and arranged around the axis to form a storage space, and each magnetic element is arranged between two adjacent fixed parts.

In one of the embodiments, each fixing portion has a positioning surface facing the adjacent fixing portion, and the positioning surface is generally U-shaped.

In one of the embodiments, the present invention further has a limit ring, which is detachably connected to the positioning base along the axial direction, and each magnetic member is arranged between the positioning base and the limit ring, and the limit ring spacer ring is provided with A plurality of positioning holes; each fixing part is different from the bottom of the positioning seat with a positioning part protruding along the axial direction, and each positioning hole is concave and convex with each positioning part.

Based on the above, the present invention uses the input coil to receive the electrical energy provided by the power unit, so that the input coil and the magnetic parts generate inductive magnetism and convert it into kinetic energy rotation. While the rotor unit rotates, the output coil can generate output power; thereby , To improve the shortcomings of high energy consumption of the conventional motor, the present invention can reduce the energy consumption of the power unit by feeding the output power back to the power unit, thereby achieving the effect of saving energy.

Furthermore, the power supply filter of the present invention can perform filtering, voltage reduction and stabilization effects on the output power to provide stable output power to the feedback power supply, reduce the energy consumption of the power supply, and achieve the effect of saving energy.

In addition, the output diode of the present invention ensures that the electric energy provided by the power supply to the stator unit is only output in a single direction, and the input diode ensures that the output power from the power filter to the power supply can only be output in a single direction, so as to avoid current reversal. To ensure the safety and stability of the circuit.

In addition, the positioning surfaces of the fixing parts of the present invention are in a U-shaped surface, and the magnetic parts can be fixed to the fixing parts with concave and convex matching, so that the magnetic parts can be firmly and conveniently installed on the rotor unit, thereby improving the running performance of the motor device and stability.

Moreover, the present invention utilizes the magnetic force on both sides of each magnetic element to act on the input coil and the output coil; thereby, each magnetic element is effectively utilized to save structural cost.

In order to facilitate the description of the central idea of the present invention expressed in the column of the above-mentioned summary of the invention, specific embodiments are used to express it. The various objects in the embodiment are drawn according to the proportion, size, deformation or displacement suitable for explanation, rather than drawn according to the proportion of the actual element, which will be described first.

Please refer to FIG. 1 to FIG. 6, the present invention provides a motor device with electric energy feedback, which includes:

A rotating shaft 10 having an axis L.

A casing 20 is connected to the shaft 10 along the axis L direction. The casing 20 is generally cylindrical and hollow. The casing 20 has a housing housing 21 and an outer cover housing 22, which houses the housing 21 and the outer housing. The cover casing 22 can be combined detachably. One end of the rotating shaft 10 is connected with the accommodating casing 21 and positioned through the C-shaped buckle 30, and the other end of the rotating shaft 10 is connected with the outer cover casing 22 and positioned through the C-shaped buckle 30.

Furthermore, the accommodating case 21 has an accommodating space 211, wherein a connecting post 212 is protrudingly provided inside the accommodating case 21, and the connecting post 212 has a shaft hole 213 through which the shaft 10 passes. The central axis of the shaft hole 213 is coaxial with the axis L of the rotating shaft 10; wherein the inner peripheral spacer ring of the housing case 21 is recessed with a plurality of positioning grooves 214, and each positioning groove 214 is parallel to the axis L respectively.

The stator unit 40 is arranged in the accommodating space 211 of the accommodating case 21 along the axis L direction of the rotating shaft 10, and the stator unit 40 has an electrical conductive magnetic member 41 and an electrical magnetic conductive member 42 through which the magnetic conductive member 41 penetrates A perforation 411 is provided, and the conductive magnetic member 41 is inserted through the perforation 411 and fixed to the outer edge of the connecting column 212 of the housing case 21. The magnetic conductive member 41 and the magnetic conductive member 42 are arranged coaxially and spaced apart with respect to the axis L; As shown in 4, the outgoing magnetic conductive member 42 is arranged at the outer edge of the incoming magnetic conductive member 41 relative to the ring. Furthermore, a plurality of positioning blocks 421 are protrudingly provided on the outer peripheral spacer ring of the magnetic conductive member 42. Each positioning block 421 and each positioning groove 214 are concave and convexly matched, so that the magnetic conductive member 42 is fixed in the accommodating space of the housing casing 21 211.

An incoming coil 412 is wound around the incoming magnetic conductive member 41, and an outgoing coil 422 is wound around the outgoing magnetic conductive member 42. The number of turns of the incoming coil 412 is less than that of the outgoing coil 422, and the outgoing coil The winding area of 422 is larger than the winding area of the input coil 412; in the embodiment of the present invention, the input magnetic conductive member 41 has a plurality of input conductive magnetic columns 413, and each input conductive magnetic column 413 is wound with an electric coil 412; an output magnetic conductive member 42 has a plurality of conductive magnetic columns 423, and an electric coil 422 is wound on each conductive magnetic column 423.

According to the theory of magnetic flux, the generation of electric current requires electromotive force. The induction current produced by the coil means that it has an induced electromotive force. The phenomenon of using a magnetic field to generate an induced electromotive force is called electromagnetic induction; in terms of magnetic flux theory, when the magnetic flux The greater the rate of change, the greater the induced current. Therefore, the number of turns and area of the input coil 412 of the present invention is different from the number and area of the output coil 422 to produce changes in magnetic flux. Therefore, the present invention is not limited to the incoming wire The actual number of turns and area of the winding 412 and the output coil 422.

A rotor unit 50 is arranged in the accommodating space 211 of the housing casing 21 along the axis L direction of the rotating shaft 10, and the rotor unit 50 is coaxially arranged with the stator unit 40, and the rotor unit 50 can rotate relative to the stator unit 40, wherein, The housing housing 21 and the outer cover housing 22 can cover the stator unit 40 and the rotor unit 50 in the housing space 211 of the housing housing 21.

The rotor unit 50 has a positioning seat 51 for a plurality of magnetic elements 52 to be set, and each magnetic element 52 is located between the power-in coil 412 and the power-out coil 422; wherein the bottom of the positioning seat 51 protrudes in the direction of the axis L A plurality of fixing parts 511, each fixing part 511 is spaced apart and arranged around the axis L to form a storage space 512, each magnetic member 52 is disposed between two adjacent fixing parts 511, and the storage space 512 is provided for the conductive magnetic member 41 to be disposed , The electric conduction magnetic member 42 is arranged around the outer periphery of the positioning base 51 and each magnetic member 52.

Furthermore, each fixing portion 511 has a positioning surface 513 facing the adjacent fixing portion 511, and the positioning surface 513 is generally U-shaped, as shown in FIGS. 4 and 5; the present invention adopts a non-flat positioning surface 513 , So that each magnetic member 52 can be firmly installed between two adjacent fixing portions 511. In addition, a positioning portion 514 is protruded along the axis L on the side of each fixing portion 511 different from the bottom of the positioning base 51. As shown in FIG. 2, each positioning portion 514 faces the housing case 21, and the bottom of the positioning base 51 Close to the outer casing 22.

A limit ring 60 is detachably connected to the positioning base 51 along the axis L direction of the rotating shaft 10, and each magnetic member 52 is arranged between the positioning base 51 and the limit ring 60 relative to the axis L direction of the rotating shaft 10, The ring 60 is provided with a plurality of positioning holes 61, each positioning hole 61 and each positioning portion 514 are concave-convex matched to stably fix each magnetic member 52 on the positioning base 51, and prevent the rotor unit 50 from rotating relative to the stator unit 40 , The situation that each magnetic member 52 separates from the positioning seat 51 due to centrifugal force occurs.

A power unit 70, which is coupled to the stator unit 40. The power unit 70 has a power source 71, an output diode 72, an input diode 73, a first switch 74, a second switch 75, and a second switch. Polar body 76, in the embodiment of the present invention, the power source 71 is a battery; the power source 71 is coupled to the anode of the output diode 72, and the cathode of the output diode 72 is coupled to the input coil 412, and the input diode The cathode of 73 is coupled to the power supply 71, the first switch 74 is coupled between the power supply 71 and the output diode 72, the second switch 75 is coupled between the output coil 422 and the power filter 80, and the diode 76 is The anode is coupled to the power filter 80, and the cathode of the diode 76 is coupled to the power supply 71, as shown in FIG. 6; in the embodiment of the present invention, the first switch 74 is an A contact switch; the second switch 75 is B Contact switch.

In other words, when the first switch 74 is pressed, the power supply 71 and the power supply coil 412 will be conducted, and the power supply 71 of the power unit 70 can provide electric energy to the power supply coil 412 of the stator unit 40, and the power supply coil 412 receives the power supply 71 The provided electrical energy causes the power-in coil 412 and each magnetic member 52 to generate inductive magnetism. After the excitation, the rotor unit 50 is converted into kinetic energy to generate rotation. At the same time as the rotor unit 50 rotates, the magnetic force on both sides of each magnetic member 52 acts (as shown in the figure) 5), the output coil 422 can generate an output power.

A power filter 80, which is coupled between the power unit 70 and the output coil 422, the anode of the input diode 73 is coupled to the power filter 80, wherein the second switch 75 is normally closed (that is, the normal Is turned on), so the output power can be directly output to the power filter 80. If you need to stop the output coil 422 from supplying power to the power filter 80, you can press the second switch 75 to open the second switch 75 to stop the output power transmission. To the power filter 80, as shown in Figure 6. The output coil 422 transmits the output power to the power filter 80 through the wire. The output power is filtered, reduced and stabilized through the power filter 80. The power filter 80 transmits the processed output power through the input diode 73. To the power supply 71 and the power-in coil 412, the power-in coil 412 and the magnetic parts 52 can continuously generate inductive magnetism, so that the motor device can continue to operate; and the output power can be transmitted to the power supply 71 to achieve the charging effect and provide the next power supply 71 start up.

Through the above, the present invention can achieve the following effects;

1. In the present invention, the input coil 412 receives the electric energy provided by the power unit 70, so that the input coil 412 and each magnetic member 52 generate inductive magnetism to convert into kinetic energy rotation. When the rotor unit 50 rotates, the output coil 422 can generate The output power is then fed back to the power unit 70 to reduce the energy consumption of the power unit 70, thereby achieving the effect of saving energy.

2. The power filter 80 of the present invention can filter, step down, and stabilize the output power to provide stable output power to the feedback power supply 71, reduce the energy consumption of the power supply 71, and achieve the effect of saving energy.

3. The output diode 72 of the present invention ensures that the electric energy provided by the power supply 71 to the stator unit 40 is only output in a single direction, and the input diode 73 ensures that the output power from the power filter 80 to the power supply 71 can only be output in a single direction , In order to avoid the problem of current reversal, to ensure the safety and stability of the circuit.

4. The positioning surface 513 of each fixing portion 511 of the present invention is generally U-shaped, and each magnetic element 52 can be fixed to each fixing portion 511 with a concave-convex fit, so that the magnetic element 52 can be firmly and conveniently installed on the rotor unit 50, and then Improve the running performance and stability of the motor device.

5. The present invention utilizes the magnetic force on both sides of each magnetic element 52 to act on the input coil 412 and the output coil 422; thereby, each magnetic element 52 is effectively utilized to save structural cost.

The above-mentioned embodiments are only used to illustrate the present invention, and are not used to limit the scope of the present invention. All modifications or changes made without violating the spirit of the present invention belong to the scope of the present invention.

10: shaft 20: Chassis 21: Housing the cabinet 211: Housing Space 212: connecting column 213: Shaft hole 214: positioning slot 22: Outer cover case 30: C buckle 40: stator unit 41: into the conductive magnetic parts 411: piercing 412: power coil 413: into the conductivity magnetic column 42: Out of conductive magnetic parts 421: positioning block 422: power coil 423: Conductivity magnetic column 50: Rotor unit 51: positioning seat 511: Fixed part 512: Placement Space 513: positioning surface 514: Positioning Department 52: Magnetic parts 60: limit ring 61: positioning hole 70: Power unit 71: Power 72: output diode 73: Input diode 74: First switch 75: second switch 76: Diode 80: power filter L: axis

Figure 1 is a schematic diagram of the motor device of the present invention. Figure 2 is an exploded schematic diagram of the motor device of the present invention. Figure 3 is a three-dimensional partial cross-sectional view of the motor device of the present invention. Figure 4 is a schematic cross-sectional view of the motor device of the present invention. Figure 5 is a partial enlarged schematic cross-sectional view. 6 is a block diagram of the circuit of the motor device of the present invention.

10: shaft

20: Chassis

21: Housing the cabinet

212: connecting column

213: Shaft hole

214: positioning slot

22: Outer cover case

30: C buckle

40: stator unit

41: into the conductive magnetic parts

411: piercing

412: power coil

413: into the conductivity magnetic column

42: Out of conductive magnetic parts

421: positioning block

422: power coil

423: Conductivity magnetic column

50: Rotor unit

51: positioning seat

511: Fixed part

512: Placement Space

514: Positioning Department

52: Magnetic parts

60: limit ring

61: positioning hole

L: axis

Claims (10)

A motor device with feedback electric energy, comprising: a rotating shaft with an axis; a casing, which is generally cylindrical and hollow, the casing is connected to the rotating shaft along the axis direction, and the casing has a container A fixed sub-unit, which is arranged in the housing space of the casing along the axis of the rotating shaft, the stator unit has an in-conducting magnetic part and an out-conducting magnetic part, the in-conducting magnetic part is wound with an incoming wire The output coil is wound with an output coil, wherein the number of winding turns of the input coil is less than the number of winding turns of the output coil; a rotor unit, which is coaxial with the stator unit along the axis of the rotating shaft It is arranged in the housing space of the casing and rotates relative to the stator unit; the rotor unit has a positioning seat for a plurality of magnetic parts to be arranged, and each magnetic part is located between the input coil and the output coil And a power unit coupled to the stator unit, the power unit provides electrical energy to the input coil, the stator unit and the rotor unit generate a magnetic field, the rotor unit rotates relative to the stator unit, the outlet wire The loop generates an output power. The motor device with electric energy feedback according to claim 1, wherein the power unit has a power source and an output diode, the power source is coupled to the anode of the output diode, and the output diode The cathode is coupled to the incoming coil. The motor device with feedback power according to claim 2 further has a power filter, which is coupled between the power unit and the output coil, and the output coil transmits the output power to the power filter through a wire The output power is filtered, stepped down, and stabilized through the power filter, and the power filter transmits the processed output power to the power source. The motor device with electric energy feedback according to claim 3, wherein the power unit further has an input diode, the anode of the input diode is coupled to the power filter, and the cathode of the input diode is coupled Connect to the power supply. The motor device with electric energy feedback according to claim 4, wherein the power unit further has a first switch, a second switch, and a diode, and the first switch is coupled to the power source and the power outlet. Between the pole bodies; the second switch is coupled between the output coil and the power filter; the anode of the diode is coupled to the power filter, and the cathode of the diode is coupled to the power source. The motor device with electric energy feedback according to claim 1, wherein the positioning seat has a storage space, and the electrical conductive magnetic component is disposed in the storage space. The motor device with feedback electric energy according to claim 6, wherein the input magnetic conductive member and the output magnetic conductive member are arranged coaxially with respect to the axis and spaced apart; the output magnetic conductive member is arranged around the positioning base and each of the The outer periphery of the magnetic part. The motor device with electric energy feedback according to claim 6, wherein the bottom of the positioning seat is protrudingly provided with a plurality of fixing parts along the axis direction, and the fixing parts are spaced apart and arranged around the axis to form the placement space, Each magnetic member is arranged between two adjacent fixing parts. The motor device with electric energy feedback according to claim 8, wherein each fixing portion has a positioning surface facing the adjacent fixing portion, and the positioning surface is generally U-shaped. The motor device with feedback electric energy described in claim 9 further has a limit ring, which is detachably connected with the positioning base along the axis direction, and each of the magnetic parts is provided on the positioning base and the limit ring In the meantime, the spacer ring of the limit ring is provided with a plurality of positioning holes; the side of each fixing part different from the bottom of the positioning seat is convexly provided with a positioning part along the axial direction, and each positioning hole is concave and convexly matched with each positioning part.

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