CN215733883U

CN215733883U - Double-paddle double-coil permanent magnet generator

Info

Publication number: CN215733883U
Application number: CN202121587080.7U
Authority: CN
Inventors: 谢晓明
Original assignee: Changchun Baisheng Machinery Equipment Co ltd
Current assignee: Changchun Baisheng Machinery Equipment Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-02-01
Anticipated expiration: 2031-07-13

Abstract

The utility model provides a double-paddle double-coil permanent magnet generator, which comprises: pylon and frame, the frame passes through the carousel seat cooperation and installs the one end at the pylon, first stator bearing frame and second stator bearing frame, rear end cap fixed mounting is in the second stator pivot, the one end that first stator pivot and second stator pivot are close to each other is fixed mounting respectively at generator housing's both ends, first coil and second coil all with generator housing interference fit, first permanent magnet and second permanent magnet respectively with rotor hub transition fit, corotation wheel hub fixed mounting is in the one end that first stator pivot is close to the front end housing, the cooperation of reversal wheel hub is installed in the one end that the rotor pivot is close to the rear end cap, and the generator has the advantages of being simple in structure, the maintenance frequency is low, reduce the maintenance cost, reduce area, the effect of improvement generating efficiency.

Description

Double-paddle double-coil permanent magnet generator

Technical Field

The utility model belongs to the technical field of wind power generation equipment, and particularly relates to a double-paddle double-coil permanent magnet generator.

Background

Energy and environmental issues have become major issues facing global industrial sustainability, increasingly attracting widespread social attention and seeking active countermeasures. Wind energy is a renewable pollution-free green energy source, is inexhaustible and abundant. With the increasingly social acceptance of clean energy and the continuous progress of science and technology, the world wind power industry develops rapidly, the single machine power is increased continuously, the volume of the generator is increased, the length of the paddle is increased, the cost is greatly increased, and the difficulty degree of installation, transportation and the like is also increased.

The traditional wind driven generator adopts a group of blades and a generator, the rated power of the generator is in corresponding relation with the rated wind speed and the rotating speed of a rotor and a stator, when the natural wind speed changes, the power of the generator changes along with the change, the power of the generator is reduced at a large rate under the condition of the wind speed lower than the optimal wind speed section, the low wind speed cannot be effectively and fully utilized and is the largest restriction factor of the annual total generated energy of the wind driven generator.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of inconvenient shipment, high manufacturing cost and limited generating capacity caused by complex mechanisms of the existing wind power generation equipment in the background art, and provides a double-paddle double-coil permanent magnet generator which has the effects of simple structure, low maintenance frequency, reduced maintenance cost, reduced floor area and improved power generation efficiency.

The technical scheme provided by the utility model is as follows:

a dual-paddle dual-coil permanent magnet generator, comprising: towers and units;

the unit, including: the base is arranged at one end of the tower frame in a matching way through the turntable base;

a stator unit comprising: the first stator bearing seat and the second stator bearing seat are respectively and fixedly arranged at two ends of the machine base, the first stator rotating shaft is in transition fit with the first stator bearing seat, the second stator rotating shaft is in transition fit with the second stator bearing seat, the front end cover is fixedly arranged on the first stator rotating shaft, the rear end cover is fixedly arranged on the second stator rotating shaft, one ends, close to each other, of the first stator rotating shaft and the second stator rotating shaft are respectively and fixedly arranged at two ends of the generator shell, the first coil and the second coil are in interference fit with the generator shell, the carbon brush is fixedly arranged on the second stator rotating shaft, the power transmission ring is fixedly arranged on the carbon brush, one end of the wire is connected with the power transmission ring, and the other end of the wire penetrates through the machine frame to be connected with an external power grid;

a rotor unit comprising: rotor shaft and rotor hub, first stator pivot and second stator pivot are passed to the rotor shaft, the both ends of rotor shaft are rotated respectively and are installed on front end housing and rear end cap, rotor hub and rotor shaft cooperation installation, first permanent magnet and second permanent magnet respectively with rotor hub transition fit, corotation wheel hub fixed mounting is in the one end that first stator pivot is close to the front end cap, the one end that the rear end cap is close to in the rotor shaft is installed in the cooperation of reversal wheel hub, a plurality of first rotor slots use corotation wheel hub's center to set up on corotation wheel hub as the circular symmetry in centre of a circle, a plurality of second rotor slots use reversal wheel hub's center to set up on reversal wheel hub as the circular symmetry in centre of a circle, all rotate in first rotor slot and the second rotor slot and install the blade.

Preferably, the inner seat and the outer seat of the turntable seat are connected through a radial locking nut.

Preferably, the blades of the forward rotating hub and the blades of the reverse rotating hub are opposite in rotation angle.

Preferably, a damping ring and a one-way thrust ball bearing are fixedly mounted inside the outer seat of the turntable seat.

Preferably, the first stator rotating shaft and the second stator rotating shaft are in transition fit with corresponding stator bearing seats through angular contact ball bearings and deep groove ball bearings.

The beneficial effects of the utility model are embodied in the following aspects:

1. according to the utility model, through the double-paddle structure at two ends of the rotor and the double-coil structure arranged in the generator, and through the wind power at two sides, the two groups of blades at the corresponding ends are driven to rotate in different directions, so that the two groups of coils and the permanent magnet in the generator are driven to simultaneously cut magnetic induction lines, induced current is generated, and finally the current is transmitted to an external power grid through the carbon brush, the power transmission ring and the wire.

Drawings

FIG. 1 is a partial cross-sectional view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure: the structure of the wind power generator comprises a tower frame 1, a machine base 2, a turntable base 3, a radial locking nut 4, a lead 5, a damping ring 6, a first stator bearing seat 7, a second stator bearing seat 8, a first stator rotating shaft 9, a second stator rotating shaft 10, an angular contact ball bearing 11, a front end cover 12, a rear end cover 13, a generator housing 14, a first coil 15, a second coil 16, a first permanent magnet 17, a second permanent magnet 18, a carbon brush 19, a power transmission ring 20, a rotor hub 21, a rotor rotating shaft 22, a forward rotating hub 23, a reverse rotating hub 24, blades 25, a one-way thrust ball bearing 26, a first rotating groove 27 and a second rotating groove 28.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.

As shown in fig. 1-2, the present invention provides a dual-paddle dual-coil permanent magnet generator, comprising: a tower 1 and a unit;

the unit, including: the engine base 2 is arranged on an inner base and an outer base of the turntable base at one end of the tower frame 1 through the turntable base 3 in a matched mode and is connected through a radial locking nut 4;

a stator unit comprising: first stator bearing frame 7 and second stator bearing frame 8, first electron bearing frame and second stator bearing frame 8 are fixed mounting respectively at the both ends of frame 2, first stator pivot 9 and first stator bearing frame 7 transition fit, and second stator pivot 10 excessively cooperates with second stator bearing frame 8, and front end housing 12 fixed mounting is on first stator pivot 9, and rear end housing 13 fixed mounting is on second stator pivot 10, the one end that first stator pivot 9 and second stator pivot 10 are close to each other is fixed mounting respectively at the both ends of generator housing 14, and first coil 15 and second coil 16 all with generator housing 14 interference fit are of value to improving the stability of first coil 15 and second coil 16 when the generator body moves, prevent to drop. The carbon brush 19 is fixedly arranged on the second stator rotating shaft 10, the power transmission ring 20 is fixedly arranged on the carbon brush 19, one end of the wire 5 is connected with the power transmission ring 20, and the other end of the wire 5 penetrates through the rack to be connected with an external power grid;

a rotor unit comprising: rotor shaft 22 and rotor hub 21, rotor shaft 22 passes first stator shaft 9 and second stator shaft 10, rotor shaft 22's both ends are rotated respectively and are installed on front end housing 12 and rear end housing 13, rotor hub 21 and rotor shaft 22 cooperation installation, first permanent magnet 17 and second permanent magnet 18 respectively with rotor hub 21 transition fit, adopt two sets of permanent magnets, coil to cut magnetism simultaneously and feel line production of electricity quantity, are of value to improving the generating efficiency for prior art, under low wind speed environment, also are of value to the generating efficiency who guarantees under the low wind speed state. The forward rotation hub 23 is fixedly installed at one end of the first stator rotating shaft 9 close to the front end cover 12, the reverse rotation hub 24 is installed at one end of the rotor rotating shaft 22 close to the rear end cover 13 in a matching manner, the first rotating grooves 27 are circularly and symmetrically arranged on the forward rotation hub 23 with the center of the forward rotation hub 23 as a circle center, the second rotating grooves 28 are circularly and symmetrically arranged on the reverse rotation hub 24 with the center of the reverse rotation hub 24 as a circle center, blades are rotatably installed in the first rotating grooves and the second rotating grooves, the rotating angles of the two groups of blades 25 on the first rotating grooves 27 and the second rotating grooves 28 are arranged in an opposite manner, so that the two groups of blades 25 keep rotating at the same speed and in different directions when wind blows, and the blades 28 are rotatably installed in the corresponding rotating grooves, on one hand, when the wind direction changes, the orientation of each blade 25 can be timely adjusted, so as to improve the wind power utilization rate, on the other hand, when the wind power is too large, the blades 25 can be freely parallel to each other hand, and the damage to the blades 25 caused by overlarge wind power is reduced.

The working principle of the utility model is as follows: when the wind-driven generator is used, the steel wire rope fixing disc is connected with a steel wire rope to fixedly connect the tower frame 1 with the ground, the damping ring 6 and the one-way thrust ball bearing 28 are fixedly installed inside the outer seat of the rotating disc seat 3, the whole generator can be driven to rotate according to the wind direction to adapt to various wind directions, the rotating angles of the blades 25 on the forward rotation hub 23 and the blades 25 on the reverse rotation hub are opposite, when the wind blows the two groups of blades 25, the two groups of blades can rotate in different directions, when the wind blows the blades 25 on the forward rotation hub 23 to rotate, the blades 25 drive the forward rotation hub 23, the front end cover 12, the first stator rotating shaft, the generator shell 14, the first coil 15, the second coil 16, the carbon brush 19 and the rear end cover 13 of the second stator rotating shaft 10 to rotate, and simultaneously, the wind can also blow the blades 25 on the reverse rotation hub 24 to rotate, and further drive the reverse rotation hub 24, the rotor shaft, the rotor hub 21, The first permanent magnet 17 and the second permanent magnet 18 rotate in opposite directions, at this time, the first coil 15 and the second coil 16 rotate in the same speed and in different directions with the first permanent magnet 17 and the second permanent magnet 18, the two groups of coils and the permanent magnets cut magnetic induction lines simultaneously to generate electric quantity, and finally the electric quantity is transmitted to an external power grid through the wire 5 through the power transmission ring 20 and the carbon brush 19. Compared with the prior art, the double-blade structure is relatively simple, reduces maintenance frequency, maintenance cost and occupied area, reduces the relative volume of the blade 25 structure and is beneficial to improving the power generation efficiency while improving the low power generation efficiency of the existing single blade.

While embodiments of the utility model have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the utility model not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims

1. A double-paddle double-coil permanent magnet generator is characterized by comprising: towers and units;

2. The double-paddle double-coil permanent magnet generator as claimed in claim 1, wherein the inner seat and the outer seat of the turntable seat are connected through a radial lock nut.

3. A twin-bladed twin-coil permanent magnet generator according to claim 1 characterised in that the blades of the forward rotating hub are of opposite rotation to the blades of the reverse rotating hub.

4. The double-paddle double-coil permanent magnet generator as claimed in claim 2, wherein a damping ring and a one-way thrust ball bearing are fixedly mounted inside the outer seat of the turntable seat.

5. The double-paddle double-coil permanent magnet generator as claimed in claim 4, wherein the first stator rotating shaft and the second stator rotating shaft are in transition fit with corresponding stator bearing seats through angular contact ball bearings and deep groove ball bearings.