WO2017071470A1

WO2017071470A1 - Large power disc-type electric generator

Info

Publication number: WO2017071470A1
Application number: PCT/CN2016/101886
Authority: WO
Inventors: 罗彪; 张宏峰; 张宏辉
Original assignee: 罗彪; 张宏峰; 张宏辉
Priority date: 2015-10-27
Filing date: 2016-10-12
Publication date: 2017-05-04
Also published as: CN105245070A

Abstract

A large power disc-type electric generator comprises an upper cover (1) and a lower cover (2), a plurality of rotor components (3) stacked in layers between the upper cover (1) and the lower cover (2), a stator component (4) configured between adjacent rotor components (3), another stator component (4) configured between the upper cover (1) and an adjacent rotor component (3), and yet another stator component (4) configured between the lower cover (2) and an adjacent rotor component (3). The large power disc-type electric generator further comprises a stator shaft (5) on which the stator components (4) are fixed. A plurality of magnet blocks (6) are arranged uniformly along a circumference direction on inner surfaces of the upper cover (1) and the lower cover (2), respectively. The upper cover (1) is connected to an upper end of the stator shaft (5) via a first bearing (71). The lower cover (2) is connected to a lower end of the stator shaft (5) via a second bearing (72). The large power disc-type electric generator comprises the plurality of the rotor components and the plurality of stator components (4), can effectively convert more kinetic energy into electrical energy, and meet a requirement of large power electricity generation.

Description

High power disk generator

Technical field

This invention relates to disk generators and, more particularly, to a high power disk generator.

Background technique

Disc generators are commonly used in vertical axis wind power systems. The conventional disc generator generally has only one stator disc, and an upper turntable located above the stator and a lower turntable located below the stator disc. The stator disc is provided with a plurality of coils in the circumferential direction, and the upper turntable and the lower turntable are provided with a plurality of permanent The magnet generates a current in the coil on the stator disc when the upper dial and the lower dial rotate relative to the stator disc. Since there is only one stator disc, the existing disc generator has low power, low power generation, low power generation efficiency, and cannot meet the demand for high-power generation.

Summary of the invention

It is an object of the present invention to provide a high power disk generator that meets the needs of high power generation.

In one aspect, the high power disk generator provided by the present invention includes an upper end cover and a lower end cover, and a plurality of rotor assemblies stacked between the upper end cover and the lower end cover, and a stator assembly disposed between adjacent rotor assemblies a stator assembly is also disposed between the upper end cover and the rotor assembly adjacent to the upper end cover, and the lower end cover and the rotor assembly adjacent to the lower end cover are also disposed with a stator assembly;

The high power disk generator further includes a stator shaft;

The stator assembly includes a circular stator disk, and coils uniformly disposed on the stator disk in a circumferential direction of the stator disk, and the number m of coils on each of the stator disks is a common multiple of 2 and 3, The stator disc is fixed on the stator shaft by a shaft core connecting member, the shaft core connecting member is sleeved on the stator shaft, and the stator disc is fixed on the shaft core connecting member;

The inner side surfaces of the upper end cover and the lower end cover are respectively uniformly disposed in the circumferential direction with a plurality of magnet blocks, the upper end cover being connected to the upper end of the stator shaft through a first bearing, and the lower end cover passing through the second bearing Connecting to the lower end of the stator shaft, the number of the magnet blocks on the upper end cover and the lower end cover is n, n is a common multiple of 2 and 3, and m>n;

The rotor assembly includes a rotor disk including a cylindrical ring wall and an annular support plate extending inwardly from the inner side of the ring wall in a radial direction, the ring walls of adjacent rotor assemblies being laminatedly connected Together, the annular support plate is uniformly disposed in the circumferential direction with a plurality of magnet blocks, each of which The number of magnet blocks on the rotor assembly is n;

The rotor disk, the stator disk and the stator shaft are coaxially disposed, and a portion of the stator disk provided with the coil extends between the annular support plates of the adjacent two rotor disks, the rotor disk and the upper end cover And a magnetic field of the magnet block cuts the coil to generate a current in the coil when the lower end cap rotates together with respect to the stator disk;

The upper portion of the upper end cover is provided with a shaft connecting portion for connecting the power input shaft.

In the high power disk generator of the present invention, the stator shaft has a passage through which a power output line of the coil passes.

In the high power disk generator of the present invention, the upper end cover, the lower end cover and the rotor disk are stamped or die cast from a non-magnetic metal material, and the stator disk is made of ceramic or bakelite.

In another aspect, the present invention provides a high power disk generator including an upper end cover and a lower end cover, and a plurality of rotor assemblies stacked between the upper end cover and the lower end cover, two adjacent rotor assemblies A stator assembly is disposed therebetween, and a stator assembly is disposed between the upper end cover and a rotor assembly adjacent to the upper end cover, and a stator assembly is also disposed between the lower end cover and a rotor assembly adjacent to the lower end cover Component

The high power disk generator further includes a stator shaft;

The stator assembly includes a circular stator disk, and a coil uniformly disposed on the stator disk in a circumferential direction of the stator disk, the stator disk being fixed to the stator shaft by a core connector, the shaft a core connector is sleeved on the stator shaft, and the stator disk is fixed on the shaft core connecting member;

The inner side surfaces of the upper end cover and the lower end cover are respectively uniformly disposed in the circumferential direction with a plurality of magnet blocks, the upper end cover being connected to the upper end of the stator shaft through a first bearing, and the lower end cover passing through the second bearing Connected to the lower end of the stator shaft;

The rotor assembly includes a rotor disk including a cylindrical ring wall and an annular support plate extending inwardly from the inner side of the ring wall in a radial direction, the ring walls of adjacent rotor assemblies being laminatedly connected Together, the annular support plate is uniformly disposed with a plurality of magnet blocks in a circumferential direction;

The rotor disk, the stator disk and the stator shaft are coaxially disposed, and a portion of the stator disk provided with the coil extends between the annular support plates of the adjacent two rotor disks, the rotor disk and the upper end cover And as the lower end cap rotates relative to the stator disk, the magnetic field of the magnet block cuts the coil to generate a current in the coil.

In the high power disk generator of the present invention, the number m of coils on each of the stator disks is a common multiple of 2 and 3.

In the high power disk generator of the present invention, the number of the magnet blocks on the upper end cover and the lower end cover is n, n is a common multiple of 2 and 3, and m>n, each Magnetic on the rotor assembly The number of body blocks is n.

In the high power disk generator of the present invention, the upper end cover, the lower end cover and the rotor disk are stamped or die cast from a non-magnetic metal material.

In the high power disk generator of the present invention, the stator disk is made of ceramic or bakelite.

In the high power disk generator of the present invention, the upper portion of the upper end cover is provided with a shaft connecting portion for connecting the power input shaft.

The high-powered disk generator embodying the present invention has the following beneficial effects: the high-power disk generator of the present invention has a plurality of rotor groups and a plurality of stator groups, which can effectively convert more kinetic energy into electrical energy, which can satisfy The need for high-power generation.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural view of an embodiment of a high power disk generator of the present invention;

Figure 2 is an exploded perspective view of the high power disk generator shown in Figure 1;

3 is an exploded perspective view of a stator assembly and a rotor assembly of the high power disk generator of the present invention;

Figure 4 is a schematic illustration of the magnetic field generated by the magnet block of a rotor assembly of the high power disk generator of the present invention;

Figure 5 is a schematic illustration of the magnetic field formed by all of the rotor assemblies of the high power disk generator of the present invention.

detailed description

In order to explain the present invention more clearly, the present invention will be further described in conjunction with the preferred embodiments and the accompanying drawings. Similar components in the drawings are denoted by the same reference numerals. It should be understood by those skilled in the art that the following detailed description is intended to be illustrative and not restrictive.

For a better understanding of the technical features, objects and effects of the present invention, the embodiments of the present invention are described in detail with reference to the accompanying drawings.

Embodiments of the high power disk generator of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions.

In the description of the high power disk generator of the present invention, it is to be understood that the term "front", The orientation or positional relationship of the "post", "upper", "lower", "upper end", "lower end", "upper", "lower" and the like is based on the orientation or positional relationship shown in the drawings, only for convenience. The present invention and the simplifications of the invention are not to be construed as limiting or limiting the scope of the invention. Moreover, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in Figures 1, 2 and 3, an embodiment of a high power disk generator of the present invention is shown. The high power disk generator of this embodiment includes an upper end cover 1 and a lower end cover 2, and a plurality of rotor assemblies 3 stacked between the upper end cover 1 and the lower end cover 2, and the plurality of rotor assemblies 3 are stacked in this order from top to bottom. Together. Each rotor assembly 3 includes a rotor disk 30 that includes a cylindrical ring wall 31 and an annular support plate 32 that extends inwardly in a radial direction from the inside of the ring wall 31. The annular walls 31 of adjacent rotor assemblies 3 are stacked together to form the side walls of a high power disk generator, and the ring walls 31 can be joined together by any suitable means, such as by bolting, welding or other conventional application. In a manner of connection, the ring wall 31 of the uppermost rotor disk 30 is coupled to the edge of the upper end cover 1, and the ring wall 31 of the lowermost rotor disk 30 is coupled to the edge of the lower end cover 2, the upper end cover 1, the rotor disk 30 The annular wall 31 and the lower end cover 2 define the outer contour of the high power disk generator. A plurality of magnet blocks 6 are uniformly disposed in the circumferential direction on the annular support plate 32 of the rotor disk of the rotor assembly 3, and the number of the magnet blocks 6 on each of the rotor assemblies 3 is n, n is a common multiple of 2 and 3, that is, n can be divisible by 2 and 3. The inner side surfaces of the upper end cover 1 and the lower end cover 2 are respectively uniformly disposed in the circumferential direction with a plurality of magnet blocks 6, and the number of the magnet blocks 6 on the upper end cover 1 and the lower end cover 2 is also n, that is, the upper end cover 1 and the lower end The number of magnet blocks 6 on the cover 2 is the same as the number of magnet blocks 6 on the rotor assembly 3. The magnet block 6 is a permanent magnet, such as an alloy permanent magnet, may be made of a neodymium iron boron material, or may be a ferrite permanent magnet.

Referring to Figures 1 and 2, a stator assembly 4 is disposed between adjacent rotor assemblies 3 of the high power disk generator of the present invention, and the upper end cover 1 is also disposed between the rotor assembly 3 adjacent to the upper end cover 1 There is a stator assembly 4, a stator assembly 4 is also disposed between the lower end cover 2 and the rotor assembly 3 adjacent to the lower end cover 2, and the high power disc generator further includes a stator shaft 5. The stator assembly 4 includes a circular stator disk 40, and a coil 41 uniformly disposed on the stator disk 40 in the circumferential direction of the stator disk 40. The coil 41 may be wound with a copper wire with an insulating layer, on each of the stator disks 40. The number of coils 41 is also a common multiple of 2 and 3, and preferably m>n, the stator disk 40 is fixed to the stator shaft 5 via a core connector 42, and the core connector 42 is sleeved on the stator shaft 5, the stator disk 40 is fixed to the core connector 42, in particular, the core connector 42 has a through hole through which the stator shaft 5 passes, and the core connector 42 is sleeved on the stator shaft 5 and fixed to the stator shaft 5, the core The connecting member 42 also has a flange portion connected to the stator disk 40, and the stator disk 40 It is fixedly connected to the flange portion of the core connector 42. The rotor disk 30, the stator disk 40 and the stator shaft 5 are coaxially disposed, and a portion of the stator disk 40 on which the coil 41 is disposed projects between the annular support plates 32 of the adjacent two rotor disks 30. The upper end cover 1 is coupled to the upper end of the stator shaft 5 via a first bearing 71, and the lower end cover 2 is coupled to the lower end of the stator shaft 5 via a second bearing 72 such that the upper end cover 1 and the lower end cover 2 are located between the upper end 1 and the lower end cover 2 The rotor assembly 3 can be rotated together with respect to the stator shaft 5. When the rotor disk 30, the upper end cover 1, and the lower end cover 2 are rotated together with respect to the stator disk 40, the magnetic field cutting coil 41 of the magnet block 6 generates electric current in the coil 41, thereby generating electric power. In order to facilitate the convenient flow of the current generated in the coil 41, a passage through which the power output line of the coil 41 passes may be provided on the stator shaft 5. For example, the stator shaft 5 may be a hollow structure, and the power output line of the coil 41 may be The center of the stator shaft 5 passes.

In the high power disk generator of the present invention, the upper end cover 1, the lower end cover 2 and the rotor disk 30 are stamped or die cast from a non-magnetic metal material, for example, aluminum, aluminum alloy, copper, copper alloy, stainless steel or the like. Non-magnetic metal materials are produced by stamping or die casting processes. The stator disk 40 is made of an insulating material, for example, ceramic or bakelite (phenolic plastic) or other insulating material.

Referring to FIG. 1, in order to facilitate connection with a power input shaft, such as a rotating shaft of a vertical axis wind power wind turbine, an upper portion of the upper end cover 1 is provided with a shaft connecting portion 8 for connecting a power input shaft, and a rotating shaft of the vertical axis wind power generating wind turbine can be The shaft connecting portion 8 is connected. When the vertical axis wind power generating wind wheel rotates, the upper end cover 1, the rotor assembly 3 and the lower end cover 2 can be rotated together with respect to the stator assembly 4 to generate electric power. 4 and FIG. 5, wherein FIG. 4 is a schematic diagram of a magnetic field generated by a magnet block 6 of a rotor assembly 3, and FIG. 5 is a schematic diagram of a magnetic field generated by all of the rotor assemblies 3 of the entire high-powered disc generator. When the vertical axis wind power generating wind turbine drives the rotor assembly 3 to rotate, the magnetic field generated by the rotor assembly 3 rotates together with the rotor assembly 3. Since the stator assembly 4 is relatively stationary, the magnetic field generated by the rotor assembly 3 cuts the coil 41 of the stator assembly 4. At this time, a current is formed in the coil 41, whereby the current in the coil 41 is continuously generated as the rotor assembly 3 is continuously rotated.

In the high power disk generator of the present invention, the number of magnet blocks 6 on each of the rotor assembly 3, the upper end cover 1 and the lower end cover 2 is preferably n, n is a common multiple of 2 and 3, and each stator assembly 4 The number of coils 41 on the upper side is preferably m, and m is also a common multiple of 2 or 3, and preferably m>n. However, it should also be understood that the number of magnet blocks 6 on each of the rotor assembly 3, the upper end cover 1 and the lower end cover 2 of the high power disk generator of the present invention is not limited to a common multiple of 2 and 3, and each stator The number of coils 41 on the assembly 4 is also not limited to a common multiple of 2 and 3.

The high-powered disk generator of the invention has a plurality of rotor groups and a plurality of stator groups, and can effectively convert more kinetic energy into electrical energy, which can meet the needs of high-power generation.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited thereto. The specific embodiments described above are merely illustrative and not restrictive, and those of ordinary skill in the art, without departing from the scope of the invention, Many forms are also possible, all of which are within the protection of the present invention.

Claims

A high power disk generator characterized by comprising an upper end cover (1) and a lower end cover (2), and a plurality of rotor assemblies stacked between the upper end cover (1) and the lower end cover (2) (3) a stator assembly (4) is disposed between adjacent rotor assemblies (3), and the upper end cover (1) is also disposed between the rotor assembly (3) adjacent to the upper end cover (1) a stator assembly (4), the lower end cover (2) and the rotor assembly (3) adjacent to the lower end cover (2) is also provided with a stator assembly (4);

The high power disk generator further includes a stator shaft (5);

The stator assembly (4) includes a circular stator disk (40), and coils (41) uniformly disposed on the stator disk (40) in a circumferential direction of the stator disk (40), each of the stators The number of coils (41) on the disk (40) is a common multiple of 2 and 3, and the stator disk (40) is fixed to the stator shaft (5) via a core connector (42), the core a connecting member (42) is sleeved on the stator shaft (5), and the stator disc (40) is fixed on the shaft core connecting member (42);

The inner side surfaces of the upper end cover (1) and the lower end cover (2) are respectively uniformly disposed in the circumferential direction with a plurality of magnet blocks (6), and the upper end cover (1) passes through the first bearing (71) The upper end of the stator shaft (5) is connected, and the lower end cover (2) is connected to the lower end of the stator shaft (5) via a second bearing (72), the upper end cover (1) and the lower end cover (2) The number of the magnet blocks (6) is n, n is a common multiple of 2 and 3, and m>n;

The rotor assembly (3) includes a rotor disk (30) including a cylindrical ring wall (31) and an inwardly extending inner side of the ring wall (31) in a radial direction An annular support plate (32), the ring walls (31) of adjacent rotor assemblies (3) are stacked and connected together, and a plurality of magnet blocks (6) are uniformly disposed on the annular support plate (32) in the circumferential direction. The number of magnet blocks (6) on each rotor assembly (3) is n;

The rotor disk (30), the stator disk (40) and the stator shaft (5) are coaxially disposed, and a portion of the stator disk (40) provided with the coil (41) extends into the adjacent two rotor disks ( 30) between the annular support plates (32), the rotor disk (30), the upper end cover (1) and the lower end cover (2) rotate together with respect to the stator disk (40), the magnet block ( a magnetic field of 6) cutting the coil (41) to generate a current in the coil (41);

An upper portion of the upper end cover (1) is provided with a shaft connecting portion (8) for connecting the power input shaft.
A high power disk generator according to claim 1, characterized in that the stator shaft (5) has a passage through which the power output line of the coil (41) passes.
The high power disk generator according to claim 1, wherein said upper end cover (1), lower end cover (2) and said rotor disk (30) are stamped or die cast from a non-magnetic metal material. The stator disk (40) is made of ceramic or bakelite.
A high power disk generator characterized by comprising an upper end cover (1) and a lower end cover (2), and a plurality of rotor assemblies stacked between the upper end cover (1) and the lower end cover (2) (3) a stator assembly (4) is disposed between two adjacent rotor assemblies (3), the upper end cover (1) and a rotor assembly (3) adjacent to the upper end cover (1) A stator assembly (4) is also disposed between the lower end cover (2) and the rotor assembly (3) adjacent to the lower end cover (2) is also provided with a stator assembly (4);

The high power disk generator further includes a stator shaft (5);

The stator assembly (4) includes a circular stator disk (40), and a coil (41) uniformly disposed on the stator disk (40) in a circumferential direction of the stator disk (40), the stator disk ( 40) fixed to the stator shaft (5) by a shaft core connecting member (42), the shaft core connecting member (42) is sleeved on the stator shaft (5), and the stator disc (40) is fixed On the shaft core connector (42);

The inner side surfaces of the upper end cover (1) and the lower end cover (2) are respectively uniformly disposed in the circumferential direction with a plurality of magnet blocks (6), and the upper end cover (1) passes through the first bearing (71) The upper end of the stator shaft (5) is connected, and the lower end cover (2) is connected to the lower end of the stator shaft (5) through a second bearing (72);

The rotor assembly (3) includes a rotor disk (30) including a cylindrical ring wall (31) and an inwardly extending inner side of the ring wall (31) in a radial direction The annular support plate (32), the ring walls (31) of the adjacent rotor assemblies (3) are laminated and connected together, and the annular support plate (32) is uniformly disposed with a plurality of magnet blocks (6) in the circumferential direction;

The rotor disk (30), the stator disk (40) and the stator shaft (5) are coaxially disposed, and a portion of the stator disk (40) provided with the coil (41) extends into the adjacent two rotor disks ( 30) between the annular support plates (32), the rotor disk (30), the upper end cover (1) and the lower end cover (2) rotate together with respect to the stator disk (40), the magnet block ( The magnetic field of 6) cuts the coil (41) to generate a current in the coil (41).
A high power disk generator according to claim 4, wherein the number m of coils (41) on each of said stator disks (40) is a common multiple of 2 and 3.
The high power disk generator according to claim 5, wherein the number of the magnet blocks (6) on the upper end cover (1) and the lower end cover (2) is n, n A common multiple of 2 and 3, and m > n, the number of magnet blocks (6) on each rotor assembly (3) is n.
A high power disk generator according to claim 4, characterized in that the stator shaft (5) has a passage through which the power output line of the coil (41) passes.
The high power disk generator according to claim 4, characterized in that the upper end cover (1), the lower end cover (2) and the rotor disk (30) are stamped or die cast from a non-magnetic metal material.
A high power disk generator according to claim 4, wherein said stator disk (40) is made of ceramic or bakelite.
The high power disk generator according to claim 4, characterized in that the upper portion of the upper end cover (1) is provided with a shaft connection portion (8) for connecting the power input shaft.