Household small wind driven generator structure

Abstract

The utility model relates to a household miniature generator, and particularly discloses a household miniature wind driven generator structure which comprises a vertical rod and a vertical motor. The axis of the vertical motor is vertically arranged, and a vertical rod is arranged along the axis of the vertical motor; the vertical motor comprises a first rotating barrel part and a second rotating barrel part; the first rotating barrel part is rotatably mounted on the vertical rod and is provided with first blades which are clockwise arranged; the second rotating barrel part can also be rotationally mounted on the vertical rod and is provided with anticlockwise second blades; the first rotating barrel part is provided with a first winding, and the second rotating barrel part is provided with a plurality of corresponding second permanent magnets. The beneficial effects of the utility model are that the power generation efficiency is improved by rotating the corresponding blades forwardly and reversely; and under the condition that the operation stability is ensured, the power generation efficiency can be improved through the size.

Description

Technical Field

[0001] The utility model relates to the technical field of small wind generators, in particular to a small domestic wind generator structure. Background Art

[0002] In household or small wind turbines, the output voltage is usually around 13 volts or 25.5 volts.

[0003] Since household generators are usually installed near buildings, their wind volume is limited. For example, South Africa requires that every small building (small household) must install a clean energy source, either a clean wind turbine or solar energy, but the efficiency of wind turbine generators is always not good enough.

[0004] The reason is that some existing small household motors have very simple structures, usually with rotor movement and small blades, resulting in low power generation when the wind volume is small. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art, provide a small-sized wind turbine structure for household use, and solve the technical problem of low power generation of small-sized wind turbines for household use.

[0006] The purpose of this utility model is achieved through the following technical solutions:

[0007] In a first aspect, a small-sized domestic wind turbine structure is disclosed, comprising a vertical pole and a vertical motor;

[0008] The axis of the vertical motor is arranged vertically, and a vertical rod is provided along the axis;

[0009] The vertical motor includes a first rotating barrel portion and a second rotating barrel portion; the first rotating barrel portion is rotatably mounted on the vertical rod and has a first blade arranged clockwise; the second rotating barrel portion is also rotatably mounted on the vertical rod and has a second blade arranged counterclockwise; the first rotating barrel portion is provided with a first winding, and the second rotating barrel portion is provided with a corresponding plurality of second permanent magnets;

[0010] When wind blows, the first rotating barrel rotates clockwise and the second rotating barrel rotates counterclockwise, causing the first winding and the second permanent magnet to rotate in opposite directions, clockwise and counterclockwise, respectively, increasing the relative rotation speed and allowing the first winding to more quickly cut the magnetic flux lines of the magnetic field generated by the second permanent magnet.

[0011] In some embodiments, a disc motor structure is formed between the first winding and the plurality of second permanent magnets.

[0012] In some embodiments, the first rotating barrel portion includes a first barrel and a cover. A horizontal support disk is fixed to the vertical rod; a plurality of first blades are circumferentially provided on the outer cylindrical surface of the first barrel, and a cover is coaxially fixed to the bottom thereof. The cover is in the shape of a bottle cap, with a first central cylinder at the center of its top, a ring disk A on its lower outer ring, and a ring disk B on its upper outer ring; the first central cylinder is mounted on the vertical rod via corresponding bearings, and the ring disk A is fixed to the bottom surface of the first barrel via a screw; a plurality of ball pits are provided on the lower surface of the ring disk B, and first balls are placed in the ball pits, and the first balls abut against the upper surface of the support disk. A first winding is arranged in an annular manner in the cover cavity of the cover.

[0013] When the first barrel rotates, the cover is driven to rotate. The cover rotates on the support plate via the first ball and also rotates around the vertical rod via the corresponding bearing.

[0014] In some embodiments, the cover has two annular protrusions A on the outer ring of the ring disk B. The two annular protrusions A serve as brush disks, and a brush head in contact with the two annular protrusions A is installed on the support disk to form a structure for leading out electricity emitted by the corresponding motor.

[0015] In some embodiments, a protective cover is further provided at the lower outer ring of the first barrel, and the protective cover covers and protects the contact points between the two annular protrusions A and the brush head.

[0016] In some embodiments, the second rotating barrel portion includes a second barrel and a second central barrel;

[0017] The second barrel is coaxially positioned directly above the first barrel. Its outer surface is circumferentially arranged with multiple second blades. The second barrel is mounted to the vertical rod via corresponding bearings. A second central cylinder is coaxially secured to the bottom of the second barrel. The lower end of the second central cylinder passes through the first central cylinder and extends into the cover cavity of the cover member. A ring disk C is located on the outer surface of the lower end of the second central cylinder. Multiple second permanent magnets are circumferentially fixed to the upper surface of the ring disk C. The lower surface of the ring disk C also features multiple ball bearing pockets, which house second balls, which rest against the upper surface of the support disk.

[0018] In some embodiments, the cover cavity of the cover member has a first annular cover for fastening the first winding, and a sealing gasket is provided on the fastening surface; the upper surface of the ring disk C has a second annular cover for fastening a plurality of circumferentially arranged second permanent magnets, and a sealing gasket is provided on the fastening surface.

[0019] In a second aspect, another small-scale household wind turbine structure is disclosed, comprising a vertical rod and a horizontal motor. The horizontal motor is mounted at the top of the vertical rod, and can rotate about the vertical rod to face the wind. The horizontal motor comprises an outer cylindrical shell, a third rotor, and a fourth rotor. The axis of the outer cylindrical shell is arranged horizontally, and its lower portion, through a mounting head, engages with the top of the vertical rod via corresponding bearings. The third rotor is mounted within the outer cylindrical shell via bearings, and the fourth rotor is mounted within the third rotor via bearings. The left end of the third rotor extends toward the left end of the outer cylindrical shell, and the protruding end is provided with a plurality of third blades, each of which is arranged clockwise. The right end of the fourth rotor extends toward the right end of the outer cylindrical shell, and the protruding end is provided with a plurality of fourth blades, each of which is arranged counterclockwise. A third winding is provided on the inner wall of the third rotor, and a plurality of fourth permanent magnets are correspondingly arranged circumferentially on the outer cylindrical surface of the fourth rotor. When the wind blows, the third rotor rotates clockwise and the fourth rotor counterclockwise, increasing the relative speed of the third winding and the plurality of fourth permanent magnets, thereby increasing power generation efficiency. Furthermore, when the wind blows, the third and fourth blades automatically align the horizontal motor's axis with the wind.

[0020] In some embodiments, a tail fin is provided on the right side of the fourth rotating drum near the end to guide the axial direction of the horizontal motor to face the wind.

[0021] In some embodiments, an annular protrusion B is provided on the outer cylindrical surface of each end of the outer cylinder, and a brush head corresponding to the two annular protrusions B is provided on the third rotating cylinder to form a structure for guiding the horizontal motor to generate electricity.

[0022] To facilitate understanding, the working principle and core design points of this solution are explained:

[0023] 1. The vertical motor improves the power generation efficiency and has good stability;

[0024] In existing wind turbines, only the rotor drives the blades to rotate in horizontal wind turbines. In existing vertical wind turbines, only the rotor drives the blades to rotate. However, in residential areas, the wind volume may fluctuate, resulting in insufficient utilization of wind when it is windy, leading to low power generation efficiency.

[0025] In this solution, the vertical motor's rotor and stator are redesigned so that both the first winding and the second permanent magnet can rotate, forming a disc-shaped motor structure in which both the rotor and stator rotate. When the wind blows, the first winding rotates clockwise and the second permanent magnet rotates counterclockwise, thus generating relative motion. This speeds up the cutting of magnetic flux lines and improves power generation efficiency.

[0026] In addition, in the vertical motor of this solution, if you want to improve the power generation efficiency, you need to increase the height of the first barrel and the second barrel in the vertical direction, and increase the diameter of the first barrel and the second barrel, but this will cause the vertical rod to shake easily; therefore, in order to improve the power generation efficiency while ensuring the stability of operation in this solution: a. The first barrel and the second barrel are both made of lightweight aluminum or lightweight rubber material, and the cover and the ring disk C are both set at the bottom of the first barrel to lower the center of gravity of the entire vertical motor; b. The first barrel is rotatably installed through the first center barrel, and the second barrel is rotatably installed through the second center barrel. If the first and second center barrels are installed together, and the first and second center barrels are installed with each other via bearings, then debugging can make the eccentric forces generated by the first and second barrels cancel each other out (specifically, the first and second barrels cannot be installed absolutely coaxially with the vertical rod - there is a certain error, so rotation will definitely cause the vertical rod to wobble. However, as long as the first barrel wobbles to the left and the second barrel wobbles to the right, debugging can make the amount of wobble consistent and make the force act evenly on the matching installation points of the first and second center barrels, which can largely prevent the vertical rod from wobble and ensure the stability of the vertical rod);

[0027] Second, the horizontal motor also improves the power generation efficiency;

[0028] In existing horizontal motors, only one end has blades, and the other end is a tail rudder, so the power generation efficiency is low;

[0029] In this solution, the third winding is driven to rotate by the third rotating drum, and the fourth permanent magnet is driven to rotate by the fourth rotating drum. In addition, the third rotating drum has a third blade arranged clockwise, and the fourth rotating drum has a fourth blade arranged counterclockwise. Therefore, the relative rotation speed of the third winding and the fourth permanent magnet is increased, thereby improving the power generation efficiency.

[0030] In addition, in this embodiment of the horizontal motor, the left end of the third rotating drum extends to the left, and the right end of the fourth rotating drum extends to the right. These extended ends are equipped with corresponding blades. This structure also enables automatic wind-following (similar to the function of a tail rudder, allowing the entire horizontal motor's axis to face the wind direction).

[0031] 3. In this scheme, the best way to generate electricity is to set the horizontal motor and the vertical motor recorded in this scheme together on the vertical pole.

[0032] Compared with the prior art, the present invention has the following advantages:

[0033] (1) Through the structural design of the vertical motor, the power generation efficiency is announced:

[0034] a. The first and second rotating barrels in the vertical motor can rotate clockwise and counterclockwise, respectively, increasing the relative speed between the first winding and the first permanent magnet, thereby improving power generation efficiency. b. The structural design of the vertical barrel enables the vertical motor to operate smoothly, allowing the length and diameter of the first barrel and the second barrel to be increased. These increases in size also improve power generation efficiency (existing vertical motors cannot be too large, as the vertical rod is prone to shaking).

[0035] (2) Improve power generation efficiency through the structural design of the horizontal motor:

[0036] The third rotating drum with the third winding rotates clockwise, and the fourth rotating drum with the fourth permanent magnet rotates counterclockwise, thereby increasing the relative speed between the third winding and the fourth permanent magnet, thereby improving the power generation efficiency.

[0037] (3) The small household wind turbine generator formed by arranging the vertical motor and the horizontal motor in this solution on the vertical pole has high power generation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a structural diagram of the utility model;

[0039] Figure 2 It is the structural diagram of the horizontal motor;

[0040] Figure 3 It is a simplified schematic diagram of a cross-section of a horizontal motor;

[0041] Figure 4 It is a structural diagram of the vertical motor;

[0042] Figure 5 is a cross-sectional view of the vertical motor;

[0043] Figure 6 A schematic diagram of the structure of the motor drive formed by the cover and the first winding thereon, the second central cylinder and the second permanent magnet thereon;

[0044] Figure 7 Schematic diagram of the structure of the second central tube and the second permanent magnet thereon;

[0045] Figure 8 is a schematic structural diagram of a cover and a first winding thereon;

[0046] Figure 9 It is a structural diagram of the utility model;

[0047] In the figure: 100-vertical rod, 100-1-support plate;

[0048] 200-vertical motor, 210-first rotating barrel portion, 21-first barrel, 22-cover, 22-1-first center cylinder, 22-2-ring disk A, 22-3-ring disk B, 22-3-1 annular protrusion A, 23-first blade, 24-first winding, 25-protective cover, 26-first annular cover, 260-second rotating barrel portion, 61-second barrel, 62-second center cylinder, 62-1-ring disk C, 63-second blade, 64-second permanent magnet, 65-second annular cover;

[0049] 500-horizontal motor, 57-outer cylinder shell, 57-1-annular protrusion B, 58-third rotating drum, 59-4th rotating drum, 58-1 third blade, 58-2 third winding, 59-1-fourth blade, 59-2-fourth permanent magnet. DETAILED DESCRIPTION

[0050] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0051] It should be noted that the directions or positional relationships indicated by "left" and "right" are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use, or are the directions or positional relationships commonly understood by those skilled in the art. Such terms are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0052] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein can be combined with each other.

[0053] It should be noted that existing small-scale wind turbines for household use typically feature a horizontal motor mounted on top of a vertical pole. In some regions, such as South Africa, a vertical motor is also mounted on top of the pole. However, in both horizontal and vertical wind turbines, only the rotor rotates while the stator remains stationary, resulting in low power generation efficiency. A readily conceivable method for improving power generation efficiency is to increase the blade size, thereby increasing the area exposed to the wind. However, both approaches have certain drawbacks. Specifically, a. Horizontal motors need to seek the wind (axially facing the direction of the wind), and due to varying wind directions, the horizontal motor oscillates. Therefore, an oversized horizontal motor may pose a safety hazard (especially when installed near buildings). b. For vertical motors, it is difficult to ensure that the vertical motor and the vertical pole are perfectly aligned. Therefore, an oversized vertical motor is more likely to cause the vertical pole to wobble than a horizontal motor.

[0054] The present invention designs a small household wind turbine structure having a vertical pole. Three design options are available: the first is to install a horizontal motor only at the top of the vertical pole; the second is to install a vertical motor only in the middle and upper portion of the vertical pole; and the third is to install a vertical motor in the middle and upper portion of the vertical pole and a horizontal motor at the top of the vertical pole. For the vertical motor: a. Allow the original rotor and stator to rotate clockwise and counterclockwise, respectively, to improve power generation efficiency; b. Increase the size of the corresponding blades in the vertical motor to improve power generation efficiency, and allow the centrifugal forces generated by the rotating rotor and stator along the vertical pole to offset each other during rotation, ensuring smooth operation of the vertical motor. For the horizontal motor: a. Allow the original rotor and stator to rotate clockwise and counterclockwise, respectively, to improve power generation efficiency; b. Increase the size of the corresponding blades in the horizontal motor to improve power generation efficiency, and also adjust the horizontal motor to maintain a force balance between the rotating rotor and stator.

[0055] The embodiments of the present invention are specifically implemented through the following technical solutions.

[0056] See Figure 1 It is an implementation structure of a small household wind turbine structure, with a support plate 100-1 in the middle and upper part of the vertical pole 100, a vertical motor 200 is supported on the support plate 100-1, and the vertical pole 100 passes through the vertical motor 200, and a horizontal motor 500 is provided at the top of the vertical pole 100.

[0057] See Figure 4-Figure 8 , the vertical motor 200 is further described below.

[0058] like Figure 4 and Figure 5 As shown, the vertical motor 200 includes a first rotating barrel portion 210 and a second rotating barrel portion 260. The first rotating barrel portion 210 is rotatably mounted on the vertical rod 100 and has first blades 23 arranged in a clockwise direction. A first winding 24 is disposed at the bottom of the first rotating barrel portion 210. The second rotating barrel portion 260 is also rotatably mounted on the vertical rod 100 and has second blades 63 arranged in a counterclockwise direction. A plurality of second permanent magnets 64 are disposed within the second rotating barrel portion 260. The first winding 24 and the plurality of second permanent magnets 64 are positioned close together, forming a structure similar to a disk motor (except that the corresponding rotor and stator both rotate).

[0059] When the vertical motor 200 is working: when there is wind blowing, the first rotating barrel part 210 rotates clockwise and the second rotating barrel part 260 rotates counterclockwise, so that the first winding 24 and the second permanent magnet 64 rotate in two opposite directions, clockwise and counterclockwise, respectively, to increase the relative rotation speed, so that the first winding 24 can more quickly cut the magnetic flux lines of the magnetic field generated by the second permanent magnet 64, thereby improving the power generation efficiency.

[0060] Furthermore, the vertical motor 200 can utilize large first and second blades 23 and 63 to increase the wind-receiving area and improve power generation efficiency. Blades of this size can easily cause significant wobble in the vertical motor 200. Therefore, in this solution, adjustments can be made to balance the centrifugal force generated by the non-coaxiality of the first rotating barrel portion 210 relative to the vertical rod 100 and the centrifugal force generated by the non-coaxiality of the second rotating barrel portion 260 relative to the vertical rod 100. (Since it is difficult to ensure that the first and second rotating barrel portions 210, 260 are coaxial with the vertical rod 100, slight deviations are inevitable. This can be achieved by ensuring that the deviations of the first and second rotating barrel portions 210, 260 relative to the vertical rod 100 are balanced.) For example, the first rotating barrel portion 210 can be offset to the left relative to the vertical rod 100, while the second rotating barrel portion 260 can be offset to the right. This can be achieved by appropriately adding weight blocks to different locations on the first and second rotating barrel portions 210, 260.

[0061] In some embodiments, the first rotating barrel portion 210 is further described.

[0062] See Figure 5 、 Figure 6 and Figure 8 The first rotating barrel portion 210 comprises a first barrel 21 and a cover 22. A horizontal support disc 100-1 is fixed to the vertical rod 100. Multiple first blades 23 are circumferentially arranged on the outer cylindrical surface of the first barrel 21, and the cover 22 is coaxially fixed to its bottom. The cover 22 is shaped like a bottle cap, with a first central barrel 22-1 at its top center. Its lower outer ring comprises a ring disc A 22-2, and its upper outer ring comprises a ring disc B 22-3. The first central barrel 22-1 is mounted to the vertical rod 100 via corresponding bearings, and the ring disc A 22-2 is fixed to the bottom surface of the first barrel 21 via a screw. The lower surface of the ring disc B 22-3 is provided with multiple ball bearing pockets, which contain first balls, which abut against the upper surface of the support disc 100-1. A first winding 24 is annularly arranged within the cover cavity of the cover 22.

[0063] When the first rotating barrel portion 210 is working: when the first barrel 21 rotates, the cover 22 is driven to rotate, and the cover 22 rotates on the support plate 100-1 through the first ball bearing and also rotates around the vertical rod 100 through the corresponding bearing.

[0064] In some embodiments, the second rotating cylinder 260 is further described.

[0065] See Figure 5 、 Figure 6 and Figure 7 The second rotating barrel portion 260 includes a second barrel 61 and a second central barrel 62. The second barrel 61 is coaxially positioned directly above the first barrel 21. A plurality of second blades 63 are circumferentially arranged on its outer cylindrical surface. The second barrel 61 is mounted in conjunction with the vertical rod 100 via corresponding bearings. A second central barrel 62 is coaxially secured to the bottom of the second barrel 61. The lower end of the second central barrel 62 passes through the first central barrel 22-1 and extends into the cover cavity of the cover member 22. An annular disk C62-1 is provided on the outer cylindrical surface of the lower end of the second central barrel 62. A plurality of second permanent magnets 64 are circumferentially secured to the upper surface of the annular disk C62-1. The lower surface of the annular disk C62-1 also includes a plurality of ball pits, within which second balls are mounted. The second balls rest against the upper surface of the support disk 100-1.

[0066] In some optional embodiments, based on the specific design of the above-mentioned first rotating barrel portion 210 and the second rotating barrel portion 260: on the cover 22, there are two annular protrusions A22-3-1 at the outer ring of the annular disk B22-3, and the two annular protrusions A22-3-1 serve as brush disks. A brush head in contact with the two annular protrusions A22-3-1 is installed on the support disk 100-1, forming a structure for leading out the electricity emitted by the corresponding motor.

[0067] In some optional embodiments, a protective cover 25 is further provided at the lower outer ring of the first barrel 21, and the protective cover 25 covers and protects the contact points between the two annular protrusions A22-3-1 and the brush head.

[0068] For some optional examples, see Figure 6 and Figure 9 The cover cavity of the cover 22 contains a first annular cover 26 that holds the first winding 24, with a sealing gasket provided on the engagement surface. The upper surface of the ring disk C62-1 contains a second annular cover 65 that holds the plurality of circumferentially arranged second permanent magnets 64, with a sealing gasket provided on the engagement surface. Both the first annular cover 26 and the second annular cover 65 are made of non-magnetic material.

[0069] It should be noted that the first barrel 21 and the second barrel 61 are both made of non-conductive lightweight materials, and the cover 22 and the second central tube 62 are made of wear-resistant non-conductive materials, such as wear-resistant ceramic materials.

[0070] See Figure 2 and Figure 3 , the horizontal motor 500 is further described below.

[0071] The horizontal motor 500 comprises an outer cylindrical shell 57, a third rotating drum 58, and a fourth rotating drum 59. The axis of the outer cylindrical shell 57 is horizontally arranged, and its lower portion, through a mounting head, engages with the top end of the vertical rod 100 via corresponding bearings. The third rotating drum 58 is mounted within the outer cylindrical shell 57 via bearings, and the fourth rotating drum 59 is mounted within the third rotating drum 58 via bearings. The left end of the third rotating drum 58 extends toward the left end of the outer cylindrical shell 57 and is equipped with multiple third blades 58-1, each arranged in a clockwise direction. The right end of the fourth rotating drum 59 extends toward the right end of the outer cylindrical shell 57 and is equipped with multiple fourth blades 59-1, each arranged in a counterclockwise direction. A third winding 58-2 is provided on the inner wall of the third rotating drum 58, and a plurality of fourth permanent magnets 59-2 are correspondingly arranged circumferentially on the outer cylindrical surface of the fourth rotating drum 59. When the wind blows, the third rotor 58 rotates clockwise and the fourth rotor 59 rotates counterclockwise, increasing the relative speed of the third winding 58-2 and the plurality of fourth permanent magnets 59-2, thereby increasing power generation efficiency. Furthermore, when the wind blows, the third and fourth blades 58-1, 59-1, automatically align the axis of the horizontal motor 500 with the wind.

[0072] In some optional embodiments, based on the specific design of the above-mentioned horizontal motor 500: a tail rudder is provided near the end on the right side of the fourth rotating drum 59 to guide the axial direction of the horizontal motor 500 to face the wind (not shown in the figure, if the rudder is not used, it can still seek the wind).

[0073] In some preferred embodiments, based on the specific design of the horizontal motor 500 described above, an annular protrusion B57-1 is provided on each end of the outer cylindrical surface of the outer cylinder 57. Brush heads corresponding to the two annular protrusions B57-1 are provided on the third rotating cylinder 58, forming a structure that guides the electricity generated by the horizontal motor 500. It should be noted that the power generated by a small household wind turbine is generally 15 to 22.5 volts. Even with a brush structure and even if it is exposed to the elements, there is no need to worry about electric shocks on rainy days. Furthermore, the outer cylinder 57 is made of a non-conductive ceramic material. The two annular protrusions B57-1 can serve as the positive and negative electrodes, respectively. The distance between the two annular protrusions B57-1 is at least 20 cm. Given the resistivity of rainwater of 10,000 ohm·cm to 12,000 ohm·cm, there is no concern about short circuits between the annular protrusions B57-1.

[0074] The above embodiments merely represent preferred implementations, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art will be able to make various modifications and improvements without departing from the scope of the present invention, and these modifications and improvements are all within the scope of protection of the present invention.

Claims

1. A small-sized wind turbine structure for household use, characterized by: It includes a vertical rod (100) and a vertical motor (200); The axis of the vertical motor (200) is arranged vertically, and a vertical rod (100) is provided along the axis; The vertical motor (200) comprises a first rotating barrel portion (210) and a second rotating barrel portion (260); the first rotating barrel portion (210) is rotatably mounted on the vertical rod (100) and has a first blade (23) arranged clockwise; the second rotating barrel portion (260) is also rotatably mounted on the vertical rod (100) and has a second blade (63) arranged counterclockwise; the first rotating barrel portion (210) is provided with a first winding (24), and the second rotating barrel portion (260) is provided with a corresponding plurality of second permanent magnets (64); When wind blows, the first rotating barrel portion (210) rotates clockwise and the second rotating barrel portion (260) rotates counterclockwise, thereby causing the first winding (24) and the second permanent magnet (64) to rotate in two opposite directions, clockwise and counterclockwise, respectively, thereby increasing the relative rotation speed and allowing the first winding (24) to more quickly cut the magnetic flux lines of the magnetic field generated by the second permanent magnet (64).

2. A small-sized wind turbine structure for household use according to claim 1, characterized in that: A disc motor structure is formed between the first winding (24) and the plurality of second permanent magnets (64).

3. A small-sized wind turbine structure for household use according to claim 1 or 2, characterized in that: The first rotating barrel portion (210) comprises a first barrel (21) and a cover (22); A horizontal support plate (100-1) is fixed on the vertical rod (100); A plurality of first blades (23) are circumferentially provided on the outer cylindrical surface of the first barrel (21), and a cover (22) is coaxially fixed to the bottom thereof; The cover (22) is in the shape of a bottle cap, with a first central tube (22-1) at the center of its top, a ring disk A (22-2) on its lower outer ring, and a ring disk B (22-3) on its upper outer ring; the first central tube (22-1) is mounted on the vertical rod (100) via corresponding bearings, and the ring disk A (22-2) is fixed to the bottom surface of the first barrel (21) via a screw; a plurality of ball pits are formed on the lower surface of the ring disk B (22-3), and first balls are placed in the ball pits, and the first balls abut against the upper surface of the support disk (100-1); A first winding (24) is annularly arranged in the cover cavity of the cover member (22); When the first barrel (21) rotates, the cover member (22) is driven to rotate. The cover member (22) rotates on the support plate (100-1) via the first ball bearing and also rotates around the vertical rod (100) via the corresponding bearing.

4. A small-sized wind turbine structure for household use according to claim 3, characterized in that: The cover (22) has two annular protrusions A (22-3-1) on the outer ring of the ring disk B (22-3). The two annular protrusions A (22-3-1) serve as brush disks. A brush head in contact with the two annular protrusions A (22-3-1) is mounted on the support disk (100-1), forming a structure for extracting electricity emitted by the corresponding motor.

5. A small-sized wind turbine structure for household use according to claim 4, characterized in that: A protective cover (25) is also provided at the lower outer ring of the first barrel (21), and the protective cover (25) covers and protects the contact points between the two annular protrusions A (22-3-1) and the brush head.

6. A small-sized wind turbine structure for household use according to claim 3, characterized in that: The second rotating barrel portion (260) comprises a second barrel (61) and a second central barrel (62); The second barrel (61) is coaxially arranged directly above the first barrel (21), and a plurality of second blades (63) are circumferentially arranged on its outer cylindrical surface. The second barrel (61) is mounted in conjunction with the vertical rod (100) via corresponding bearings. A second central tube (62) is coaxially fixed to the bottom of the second barrel (61), and the lower end of the second central tube (62) passes through the first central tube (22-1) and extends into the cover cavity of the cover member (22); A ring disk C (62-1) is provided on the outer cylindrical surface of the lower end of the second central tube (62), and a plurality of second permanent magnets (64) are circumferentially fixed on the upper surface of the ring disk C (62-1); a plurality of ball pits are also provided on the lower surface of the ring disk C (62-1), and second balls are installed in the ball pits, and the second balls are against the upper surface of the support disk (100-1).

7. A small-sized wind turbine structure for household use according to claim 6, characterized in that: The cover cavity of the cover member (22) comprises a first annular cover (26) for buckling the first winding (24), and a sealing gasket is provided on the buckling surface; The upper surface of the ring disk C (62-1) is provided with a second annular cover (65) for fastening a plurality of circumferentially arranged second permanent magnets, and a sealing gasket is provided on the fastening surface.

8. A small-sized domestic wind turbine structure according to any one of claims 1, 2, 4 to 7, characterized in that: It includes a vertical rod (100) and a horizontal motor (500); A horizontal motor (500) can be provided at the top end of the vertical rod (100), and the horizontal motor (500) can rotate around the vertical rod (100) to face the wind; The horizontal motor (500) comprises an outer cylindrical shell (57), a third rotating cylinder (58), and a fourth rotating cylinder (59); the axis of the outer cylindrical shell (57) is arranged horizontally, and the lower portion thereof is engaged with the top end of the vertical rod (100) through a mounting head via a corresponding bearing; the third rotating cylinder (58) is mounted in the outer cylindrical shell (57) via a bearing, and the fourth rotating cylinder (59) is mounted in the third rotating cylinder (58) via a bearing; The left end of the third rotating drum (58) extends toward the left end of the outer cylinder shell (57), and the extended end is provided with a plurality of third blades (58-1), and each third blade (58-1) is arranged clockwise; the right end of the fourth rotating drum (59) extends toward the right end of the outer cylinder shell (57), and the extended end is provided with a plurality of fourth blades (59-1), and each fourth blade (59-1) is arranged counterclockwise; A third winding (58-2) is provided on the inner wall of the third rotating drum (58), and a plurality of fourth permanent magnets (59-2) are correspondingly provided circumferentially on the outer cylindrical surface of the fourth rotating drum (59); When the wind blows, the third rotating drum (58) rotates clockwise and the fourth rotating drum (59) rotates counterclockwise, so that the relative rotation speed of the third winding (58-2) and the plurality of fourth permanent magnets (59-2) becomes faster, thereby increasing the power generation efficiency; Furthermore, when the wind rotates, the axial direction of the horizontal motor (500) can automatically face the wind under the action of the third blade (58-1) and the fourth blade (59-1).

9. A small-sized domestic wind turbine structure according to claim 8, characterized in that: An annular protrusion B (57-1) is respectively provided on the outer cylindrical surface of both ends of the outer cylindrical shell (57), and a brush head corresponding to the two annular protrusions B (57-1) is provided on the third rotating cylinder (58), forming a structure for guiding the horizontal motor (500) to generate electricity.

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