TW202304106A - Electric generator and rotor structure thereof - Google Patents

Abstract

An electric generator includes a rotor structure and a stator structure. The rotor structure includes an annular track, a shaft and a plurality of magnetic components. The shaft is disposed in the annular track for driving the annular track to rotate. The magnetic components are disposed on the annular track. The stator includes at least a coil. The stator structure is disposed outside the rotor structure or is disposed inside the rotor structure.

Description

Generator and its rotor structure

The invention relates to a generator and a rotor structure, in particular to a generator and a rotor structure with a plurality of magnetic parts.

The structure and principle of a common generator (Generator) is usually composed of a stator, a rotor, an end cover and a bearing; among them, the stator is composed of a stator core, a magnetic induction coil, a frame and fixing these parts It is composed of other structural parts; the rotor is composed of rotor poles, yokes, guard rings, center rings, slip rings, fans and shafts and other components. The stator and rotor of the generator are connected and assembled by the bearing and the end cover, so that the rotor can rotate in the stator and perform a magnetic field cutting (magnetic field line cutting) movement, thereby generating an induced electric potential, which is drawn out through the terminal and connected to the circuit. A certain value of voltage and current is generated.

However, in conventional generators, when the rotor is usually in a fixed shape, such as a circle, the number of magnets that can be arranged on it is also limited, so the number of cuttings that can be performed when the rotor rotates is limited, and its torque is also limited. Its upper limit cannot be further increased. With the increase of demand for electricity, the torque of conventional generators may not meet the demand.

Therefore, a generator and a rotor structure are needed to solve the above problems.

The invention provides a generator, which includes a rotor structure and a stator structure. The rotor structure includes an annular track, a rotating shaft structure and a plurality of magnetic parts. The rotating shaft structure is arranged in the circular track for driving the circular track to rotate, and the magnetic part is arranged on the circular track. The stator structure includes coils, and the stator structure is disposed on the periphery or inside of the rotor structure. With the setting of the ring track, more magnetic parts can be placed on the rotor structure.

In one embodiment, the magnetic parts can generate displacement along with the rotation of the circular track, and generate magnetic field cutting with the coil. Thereby, the generator can generate electricity.

In one embodiment, in order to achieve magnetic field cutting, the winding direction of the coil is different from the arrangement direction of the magnetic elements.

In one embodiment, the shape of the circular track may be non-circular. In an embodiment, the circular track may have an extension portion and a bending portion, wherein the area of the extension portion may be greater than the area of the bending portion. Therefore, more magnetic pieces can be provided on the extended portion of the circular track, and when the circular track rotates, more cuts can be made between the magnetic pieces and the coil. Furthermore, the extension can be scaled as required, thus making the present invention scalable.

In one embodiment, the circular track may include a magnetic component carrier, which is arranged on the conveyor belt, and each magnetic component carrier is used to place a magnetic component. Further, the two ends of the magnetic component carrier can respectively include a bearing. Further, the rotor structure may include two side plates disposed on both sides of the circular track, and one end of the magnetic component carrier is adjacent to the inner wall of the side plates.

In one embodiment, the endless track includes a conveyor belt, and the conveyor belt can be a chain or a belt.

The present invention further provides a rotor structure for use in a generator, wherein the generator includes a stator structure with coils. The rotor structure includes an annular track, a rotating shaft structure and a plurality of magnetic parts. The rotating shaft structure is arranged in the circular track for driving the circular track to rotate, and the magnetic part is arranged on the circular track. The stator structure can be arranged on the periphery or inside of the rotor structure.

In one embodiment, the magnetic parts of the rotor structure can be displaced with the rotation of the circular track, and generate a magnetic field cut with the coil.

In one embodiment, the arrangement direction of the magnetic elements of the rotor structure is different from the winding direction of the coil.

In one embodiment, the shape of the annular track of the rotor structure may be non-circular. In an embodiment, the circular track of the rotor structure may have an extending portion and a bent portion, wherein the area of the extending portion may be greater than the area of the bent portion.

In one embodiment, the circular track of the rotor structure may include magnetic component carriers, which are arranged on the conveyor belt, and each magnetic component carrier is used to place a magnetic component. Further, the two ends of the magnetic component carrier can respectively include a bearing. Further, the rotor structure may include two side plates disposed on both sides of the circular track, and one end of the magnetic component carrier is adjacent to the inner wall of the side plates.

In one embodiment, the circular track of the rotor structure includes a conveyor belt, and the conveyor belt may be a chain or a belt.

Other novel features of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings.

When read in conjunction with the accompanying drawings, the following embodiments are used to clearly demonstrate the above and other technical contents, features and/or effects of the present invention. Through the elaboration of specific implementation methods, people will further understand the technical means and effects adopted by the present invention, so as to achieve the above-mentioned purpose. In addition, since the content disclosed in the present invention should be easy to understand and can be implemented by those skilled in the art, all equivalent replacements or modifications that do not depart from the concept of the present invention should be included in the claims.

It should be noted that, herein, unless otherwise specified, “an” element is not limited to a single element, but may also refer to one or more elements.

In addition, ordinal numbers such as "first" or "second" in the description and claims are only used to describe the requested elements, and do not represent or indicate that the requested elements have any order of ordinal numbers, and are not the requested elements and Another sequence between claimed elements or steps of a manufacturing method. These ordinal numbers are used only to distinguish one request element with a particular name from another request element with the same name.

In addition, the term "adjacent" in the description and claims is used to describe mutual proximity, and does not necessarily mean mutual contact.

In addition, the descriptions of "when..." or "when" in the present invention mean "now, before, or after" and other aspects, and are not limited to the situation of simultaneous occurrence, which is described first here. In the present invention, similar descriptions such as "disposed on" refer to the corresponding positional relationship between the two elements, and do not limit whether there is contact between the two elements, unless otherwise specified, which will be described here first. Furthermore, when the present invention describes multiple functions, if the word "or" is used between the functions, it means that the functions can exist independently, but it does not exclude that multiple functions can exist at the same time.

In addition, words such as "connected" or "coupled" in the description and claims not only refer to direct connection with another element, but also refer to indirect connection or electrical connection with another element. In addition, the electrical connection includes direct connection, indirect connection, or communication between two components by radio signals.

In addition, in the description and claims, the terms "about", "approximately", "essentially" and "approximately" usually mean that the difference between a value and a given value is within 10% of the given value, or Within 5%, or within 3%, or within 2%, or within 1%, or within 0.5%. The quantities given here are approximate quantities, that is, "about", "approximately", "approximately", "approximately", "approximately" and "approximately" may still be implied in the absence of specific instructions "about", "approximately", "substantially", The meaning of "substantially" and "approximately". In addition, the terms "the range is from the first value to the second value" and "the range is between the first value to the second value" indicate that the range includes the first value, the second value and other values therebetween.

In addition, technical features of different embodiments disclosed in the present invention can be combined to form another embodiment.

FIG. 1(A) is a schematic diagram of a generator 1 according to an embodiment of the present invention. FIG. 1(B) is an exploded view of a generator 1 according to an embodiment of the present invention. As shown in Figure 1(A) and 1(B), the generator 1 includes a rotor structure 2 and a stator structure 3, wherein the stator structure 3 is arranged on the periphery of the rotor structure 2, for example, the stator structure 3 can surround most of the rotor structure 2, and not limited to this.

The rotor structure 2 may include at least one shaft structure 21 and a plurality of magnetic components 22 . In one embodiment, the magnetic elements 22 are spaced apart and arranged in a ring shape. In one embodiment, the rotating shaft structure 21 can drive the magnetic parts 22 to move. The stator structure 3 can include at least one coil 31 . When the rotating shaft structure 21 drives the magnetic components 22 to move, the magnetic field of the magnetic components 22 of the rotor structure 2 can cut with the coil 31 of the stator structure 3 , thereby generating an electric field. Thereby, the generator 1 can generate electricity.

可介於0度至180度之間，並且大於0度，且小於180度(亦即0

＜

＜180

)，且不限於此。在一實施例中，角度

可介於70度至110度之間(亦即70

＜

＜110

)，且不限於此。在一實施例中，角度

可為90度(亦即排列方向D1正交於繞線方向D2)，且不限於此。藉此，當磁性件22被轉軸結構21帶動而移動時，該等磁性件22的磁場與線圈31可產生切割。 In yet another embodiment, in order to make the magnetic field of the magnetic parts 22 and the coil 31 cut, a specific arrangement is provided between the magnetic parts 22 and the coil 31 . The magnetic pieces 22 can be arranged, for example, on an annular track 20 (shown in FIG. 2 ) inside the rotor structure 2, wherein the magnetic pieces 22 are along a direction (hereinafter referred to as Call it the arrangement direction D1) to arrange. In addition, the coil 31 may be wound in another direction (hereinafter referred to as a winding direction D2). In one embodiment, the arrangement direction D1 of the magnetic elements 22 on the circular track 20 is different from the winding direction D2 of the coil 31 , that is, the arrangement direction D1 and the winding direction D2 are not parallel. In one embodiment, there is an angle between the arrangement direction D1 and the winding direction D2, wherein the angle

Can be between 0 degrees and 180 degrees, and greater than 0 degrees, and less than 180 degrees (that is, 0

<

<180

), but not limited to. In one embodiment, the angle

Can be between 70 degrees and 110 degrees (that is, 70

<

<110

), but not limited to. In one embodiment, the angle

It can be 90 degrees (that is, the arrangement direction D1 is perpendicular to the winding direction D2 ), and is not limited thereto. In this way, when the magnetic elements 22 are driven by the rotating shaft structure 21 to move, the magnetic fields of the magnetic elements 22 and the coil 31 can generate cutting.

In one embodiment, the material of the coil 31 may be silver, copper, aluminum, alloys thereof, or combinations thereof, but the invention is not limited thereto.

Next, details of the rotor structure 2 will be described. FIG. 2(A) is an exploded view of a rotor structure 2 according to an embodiment of the present invention, and please refer to FIGS. 1(A) and 1(B) at the same time. As shown in FIG. 2(A), the rotor structure 2 may include an annular track 20 , two rotating shaft structures 21 , a plurality of magnetic components 22 , a supporting component 23 and two side plates 24 .

The two shaft structures 21 and the supporting member 23 can be disposed inside the circular track 20 . The rotating shaft structure is used to drive the ring track 20 to rotate. The support member 23 is used to support the circular track 20, for example, the two rotating shaft structures 21 can be respectively arranged at the two ends of the circular track 20 inside, and the support member 23 can be arranged at the middle part of the circular track 20 inside to support the circular track 20, but not limited to this. The magnetic elements 22 are disposed on the circular track 20 and arranged along the circular track. The two side plates 24 are respectively disposed on two sides of the circular track 20 .

In one embodiment, the circular track 20 can be in various shapes, and the present invention is not limited thereto. In an embodiment, the circular track 20 may be in a shape other than a circle, such as an ellipse, a rectangle, a rectangle, etc., and is not limited thereto. In one embodiment, the circular track 20 may include two extension portions 20a and two bending portions 20b, wherein the area of the extension portion 20a is larger than the area of the bending portion 20b, so the number of magnetic pieces 22 on the extension portion 20a may be more than that of the bend portion. The number of folding portions 20b is not limited thereto.

In one embodiment (such as the example of FIG. 2(A)), the number of rotating shaft structures 21 is two, but it should be noted that, in other embodiments, as long as the circular track 20 can be driven to rotate, The number can also be changed, for example, it can be 1 or more than 2. In one embodiment, the rotating shaft structure 21 may be connected to an external power input mechanism (such as a motor, etc.) and controlled to rotate by the external power input mechanism, but is not limited thereto.

In one embodiment, the magnetic member 22 may be, for example, an electromagnet or a permanent magnet, but is not limited thereto. In one embodiment, when the magnetic member 22 is a permanent magnet, its material can be selected from iron, nickel, aluminum, copper, cobalt, titanium, chromium, silicon, barium, strontium, neodymium, boron, or alloys thereof, or combinations thereof, Or a group composed of other magnetic materials, but not limited thereto. In one embodiment, the shape of each magnetic member 22 is not particularly limited, for example, it may be circular, elliptical, rectangular, triangular, pentagonal, etc., or other irregular shapes. In addition, each magnetic piece 22 can be made of the same or different materials; the shape of each magnetic piece 22 can be the same or different from each other. In one embodiment, the magnetic polarities of adjacent magnetic elements 22 facing the coil 31 may be the same or different, as long as they can generate a magnetic field cut with the coil 31 . In one embodiment, the number of the magnetic elements 22 is not limited, but is preferably an even number. In one embodiment, the magnetic elements 22 are arranged on the circular track 20 at intervals, and each interval may be the same or different, for example, the magnetic elements 22 may cover the annular track 20 , and there may be an interval between each magnetic element 22 . The present invention is not limited thereto.

In one embodiment, the supporting member 23 can be in various shapes, which is not limited in the present invention. In one embodiment, the supporting member 23 may include at least one hollow portion 231 , for example, the supporting member 23 may be H-shaped, but not limited thereto.

In one embodiment, the side plate 24 may include a number of holes 241 corresponding to the number of the shaft structures 21 , so the shaft structures 21 may pass through the holes 241 and extend outside the rotor structure 2 , but it is not limited thereto.

Next, details of the circular track 20 will be described. FIG. 2(B) is an exploded view of the circular track 20 and the shaft structure 21 according to an embodiment of the present invention, and please refer to FIGS. 1(A) to 2(A) at the same time. As shown in FIG. 2(B), the circular track 20 may include at least one conveyor belt 201 disposed on the rotating shaft structure 21 .

In one embodiment, the conveyor belt 201 may be a belt or a chain, and is not limited thereto.

In one embodiment, the circular track 20 may further include a plurality of magnetic component stages 202 disposed on the conveyor belt 201, so when the conveyor belt 201 is rotated by the rotating shaft structure 21, the magnetic component stages 202 can follow The conveyor belt 201 is rotated to move. In one embodiment, each magnetic component carrier 202 can include a placement portion for the magnetic component 22 to be placed, and the two can be fixed together in various feasible ways, such as locking, pivoting, welding, snapping, etc., but not limited thereto. In addition, in one embodiment, the two ends of the magnetic component carrier 202 are further provided with a bearing 202b, wherein each bearing 202b can be adjacent to the inner wall of one of the side plates 24 . In one embodiment, the bearing 202b may be in contact with the inner wall of the side plate 24, but is not limited thereto.

In addition, each rotating shaft structure 21 may include a rotating shaft 210 and at least one rotating wheel 211 , wherein the rotating shaft 210 passes through the middle of the rotating wheel 211 . In one embodiment, the rotating wheel 211 and the rotating shaft 210 are fixed together, so the rotating shaft 210 can drive the rotating wheel 211 to rotate, but it is not limited thereto. In one embodiment, the rotating wheel 211 may have an inner recess 212 for placing the conveyor belt 201 , so the rotating wheel 211 may be a pulley, such as a timing pulley, but not limited thereto. In one embodiment, the size of the inner recess 212 may correspond to the width of the conveyor belt 201 . In addition, in one embodiment, the inner recess 212 of the runner 211 may be provided with a plurality of tooth grooves, and the contact surface of the conveyor belt 201 and the inner recess 212 may also have corresponding tooth grooves, but this is not a limitation. .

In one embodiment, each rotating shaft structure 21 may have the same number of rotating wheels 211 , but it is not limited thereto. In one embodiment, the number of the rotating wheels 211 and the number of the conveyor belts 201 may be the same, but it is not limited thereto. In addition, it should be noted that although in FIG. 2(B), each rotating shaft structure 21 has three runners 211, and the circular track 20 has three conveyor belts 201, but in fact the runners 211 and the conveyor belts 201 The quantity is not limited, that is, the quantity of the runners 211 and the conveyor belts 201 can be adjusted according to actual needs.

The conveyor belt 201 and the rotating shaft structure 21 of the present invention can have different implementations. FIG. 3 is a schematic diagram of a conveyor belt 201 and a rotating shaft structure 21 according to another embodiment of the present invention, and please refer to FIG. 1(A) to FIG. 2(B) at the same time.

As shown in Figure 3, each rotating shaft structure 21 of the present embodiment can have a single runner 211, but the width of the runner 211 is much larger than the width of the runner 211 in the embodiment of Figure 2 (B), for example, Fig. The width of each rotating wheel 211 in the embodiment 2(B) is less than half the length of the rotating shaft 210, while the width of a single rotating wheel 211 in the embodiment of FIG. 3 is greater than half the length of the rotating shaft 210. In addition, the conveyor belt 201 in the embodiment of FIG. 3 is also adjusted to one according to the number of runners 211 , and the width of the conveyor belt 201 can also be increased as the width of the runners 211 changes. The present invention is not limited thereto.

Accordingly, different implementations of the conveyor belt 201 and the rotating shaft structure 21 can be understood. It should be noted that, as long as it is feasible, the details of each element in this embodiment can be applied to various descriptions in the foregoing embodiments, or can be combined with the foregoing embodiments.

The magnetic component carrier 202 of the present invention may also have different implementation forms. FIG. 4 is a schematic diagram of a magnetic component carrier 202 according to another embodiment of the present invention, and please refer to FIG. 1 to FIG. 3 at the same time.

As shown in Fig. 2 (B) and Fig. 4, in Fig. 2 (B) embodiment, a magnetic part 22 can be placed on each magnetic part stage 202, but in Fig. 4 embodiment, magnetic part stage 202 The width in the arrangement direction D1 can be increased, so a plurality of magnetic pieces 22 can be placed. The present invention is not limited thereto.

In this way, different implementation aspects of the magnetic component carrier 202 can be understood. It should be noted that, as long as it is feasible, the details of each element in this embodiment can be applied to various descriptions in the foregoing embodiments, or can be combined with the foregoing embodiments.

The rotor structure 2 of the present invention can also have different implementation forms. FIG. 5 is a schematic diagram of a rotor structure 2 according to another embodiment of the present invention, and please refer to FIGS. 1 to 4 at the same time.

In the foregoing embodiments, the circular track 20 has a support 23, and supports its middle part by the support 23, but in the embodiment of FIG. To be replaced by more rotating shaft structures 21 . Therefore, the rotating shaft structures 21 can be used to support the circular track 20 , and because the number of rotating shaft structures 21 increases, the rotation of the conveyor belt 201 can also be made smoother. The present invention is not limited thereto. In one embodiment, part of the shaft structure 21 does not have a shaft but only has wheels. In an embodiment, the structure of the stator 3 can be changed with the increase of the shaft structure 21 .

Different embodiments of the rotor structure 2 can thus be understood. It should be noted that, as long as it is feasible, the details of each element in this embodiment can be applied to various descriptions in the foregoing embodiments, or can be combined with the foregoing embodiments.

The magnetic element 22 of the present invention can have different implementations. FIG. 6 is a schematic diagram of a magnetic member 22 according to another embodiment of the present invention, and please refer to FIGS. 1 to 5 at the same time.

As shown in Figure 5, each magnetic piece 22 can be made up of a plurality of small magnetic pieces 22a～22d, wherein one end of the small magnetic piece 22a is connected with one end of the small magnetic piece 22b, and the other end of the small magnetic piece 22b is connected with the small magnetic piece One end of the small magnetic piece 22c is connected, and the other end of the small magnetic piece 22c is connected with one end of the small magnetic piece 22d. In an embodiment, the magnetic member 22 of this embodiment may be a Halbach magnet, but is not limited thereto.

In one embodiment, the small magnetic parts 22a-22d may have different magnetic polarities, for example, the magnetic polarity of the small magnetic part 22a facing the coil 31 (such as N pole) and the magnetic polarity of the small magnetic part 22b facing the coil 31 (such as S pole) is different, the magnetic polarity (for example S pole) of small magnetic piece 22b facing coil 31 is different from the magnetic polarity (such as N pole) of small magnetic piece 22c facing coil 31, and small magnetic piece 22c faces the magnetic polarity (for example N pole) of coil 31 The magnetic polarity (such as N pole) is different from the magnetic polarity (such as S pole) of the small magnetic part 22d facing the coil 31, but in another embodiment, the magnetic polarity of each small magnetic part 22a~22d facing the coil 31 is also It can be configured arbitrarily, and the present invention is not limited. In addition, in one embodiment, the magnetic polarity configuration of the small magnetic parts 22a-22d in each magnetic part 22 can be the same as the magnetic polarity configuration of the small magnetic parts 22a-22d in the adjacent magnetic parts 22, but can also be different. .

Accordingly, different implementation aspects of the magnetic member 22 can be understood.

In addition, the generator 1 of the present invention can also have different implementations. FIG. 7 is a schematic diagram of a generator 1 according to an embodiment of the present invention, and please refer to FIG. 1(A) to FIG. 6 at the same time.

Compared with the foregoing embodiments, the coil 31 of the embodiment shown in FIG. 7 can be instead disposed in the hollow portion 231 of the support member 23 of the rotor structure 21 . In addition, in an embodiment, the coil 31 surrounding the rotor structure 2 in the foregoing embodiments can be removed, so the stator structure 3 can be regarded as disposed inside the rotor structure 2 . In addition, in an embodiment, both the inside and the outside of the rotor structure 21 may be provided with coils 31 , that is, for example, the embodiment in FIG. 1(B) is combined with the embodiment in FIG. 7 .

By this, different aspects of the generator 1 can be understood.

According to the embodiments of the present invention, the generator and the rotor structure of the present invention have an annular track, and the magnetic parts are arranged on the annular track at intervals. Since the non-circular annular track has a longer extension, more magnetic parts can be arranged on it, so compared with the conventional technology (such as a circular rotor structure), the rotor structure of the present invention can be combined with the stator structure The coil is cut more times, so the torque of the generator can be greatly increased. In addition, since the length of the circular track can be adjusted according to requirements, compared with the conventional technology, the structure of the present invention also has the feature of scalability.

The features of the various embodiments of the present invention can be mixed and matched arbitrarily as long as they do not violate the spirit of the invention or conflict with each other.

The above-mentioned embodiments are only examples for convenience of description, and the scope of rights claimed by the present invention should be based on the scope of the patent application, rather than limited to the above-mentioned embodiments.

:角度 1: Generator 2: Rotor structure 20: Ring track 20a: Extended part 20b: Bending part 201: Conveyor belt 202: Magnetic parts stage 202b: Bearing 21: Shaft structure 210: Rotating shaft 211: Runner 212: Inner concave Part 22: Magnetic Parts 22a~22d: Small Magnetic Parts 23: Supporting Parts 231: Hollow Part 24: Side Plates 241: Holes 3: Stator Structure 31: Coils D1: Arrangement Direction D2: Winding Direction

:angle

FIG. 1(A) is a schematic diagram of a generator according to an embodiment of the present invention. Fig. 1(B) is an exploded view of a generator according to an embodiment of the present invention. Fig. 2(A) is an exploded view of the rotor structure of an embodiment of the present invention. Fig. 2 (B) is the exploded view of the circular track and the rotating shaft structure of an embodiment of the present invention Fig. 3 is a schematic diagram of a conveyor belt and a rotating shaft structure according to another embodiment of the present invention. FIG. 4 is a schematic diagram of a magnetic component carrier according to another embodiment of the present invention. Fig. 5 is a schematic diagram of a rotor structure according to another embodiment of the present invention. Fig. 6 is a schematic diagram of a magnetic element according to another embodiment of the present invention. Fig. 7 is a schematic diagram of a generator according to another embodiment of the present invention.

1: Generator

2: Rotor structure

3: Stator structure

Claims (20)

A generator comprising: A rotor structure, including: a circular track; At least one rotating shaft structure is arranged in the circular track for driving the circular track to rotate; and A plurality of magnetic parts are arranged on the circular track; and A stator structure includes at least one coil, and the stator structure is arranged on the periphery or inside of the rotor structure. The generator as claimed in claim 1, wherein the magnetic parts are displaced with the rotation of the circular track, and generate magnetic field cutting with the coil. The generator as claimed in claim 2, wherein there is an angle between a winding direction of the coil and an arrangement direction of the magnetic elements on the circular track, wherein the angle is greater than 0 degrees and less than 180 degrees. The generator as claimed in claim 3, wherein the shape of the circular track is non-circular. The generator as claimed in claim 3, wherein the at least one rotating shaft structure is a plurality of rotating shaft structures, and the circular track includes at least one conveyor belt disposed on the rotating shaft structures. The generator as claimed in claim 5, wherein the circular track further includes a plurality of magnetic component stages arranged on the conveyor belt, and each magnetic component stage is used to place a magnetic component. The generator as claimed in claim 6, wherein the two ends of the magnetic component stages respectively include a bearing. The generator as claimed in claim 7, wherein the rotor structure further includes two side plates disposed on both sides of the circular track, and one end of the magnetic component platforms is adjacent to an inner wall of one of the side plates. The generator as claimed in claim 1, wherein the circular track comprises two extending parts and two bending parts, wherein the area of each extending part is larger than the area of each bending part. The generator as claimed in claim 1, wherein the endless track includes a conveyor belt, and the conveyor belt is a chain or a belt. A rotor structure for use in a generator, wherein the generator further includes a stator structure, and the stator structure includes at least one coil, wherein the rotor structure includes: a circular track; At least one rotating shaft structure is arranged in the circular track for driving the circular track to rotate; and A plurality of magnetic parts are arranged on the circular track; and Wherein, the stator structure is arranged on the periphery or inside of the rotor structure. The rotor structure as claimed in claim 11, wherein the magnetic parts are displaced with the rotation of the circular track, and generate a magnetic field cut with the coil. The rotor structure as claimed in claim 12, wherein there is an angle between a winding direction of the coil and an arrangement direction of the magnetic components on the circular track, wherein the angle is greater than 0 degrees and less than 180 degrees. The rotor structure as claimed in claim 13, wherein the shape of the annular track is non-circular. The rotor structure as claimed in claim 13, wherein the at least one rotating shaft structure is a plurality of rotating shaft structures, and the circular track includes at least one conveyor belt disposed on the rotating shaft structures. The rotor structure as claimed in claim 15, wherein the circular track further includes a plurality of magnetic component stages arranged on the conveyor belt, and each magnetic component stage is used to place a magnetic component. The rotor structure as claimed in claim 16, wherein the two ends of the magnetic component stages respectively include a bearing. The rotor structure as claimed in claim 17, further comprising two side plates disposed on both sides of the circular track, and one end of the magnetic component platforms is adjacent to an inner wall of one of the side plates. The rotor structure as claimed in claim 11, wherein the annular track includes two extending portions and two bending portions, wherein the area of each extending portion is larger than the area of each bending portion. The rotor structure as claimed in claim 11, wherein the circular track includes a conveyor belt, and the conveyor belt is a chain or a belt.

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