CN210201678U

CN210201678U - Axial double-engine direct-drive permanent magnet wind driven generator

Info

Publication number: CN210201678U
Application number: CN201921523376.5U
Authority: CN
Inventors: Jiaren Feng; 冯家任; Lihong Tian; 田立红; Haixi Feng; 冯海曦
Original assignee: BEIJING MING ZHENG WEI YUAN (MZWY) MOTOR TECHNOLOGIES Ltd
Current assignee: BEIJING MING ZHENG WEI YUAN (MZWY) MOTOR TECHNOLOGIES Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-03-27
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses an axial double-engine direct drive type permanent magnet wind driven generator, which belongs to the field of wind driven generators. The generator comprises a left outer shell, a right outer shell, an inner shell, a left end cover, a middle end cover, a right end cover, a rotor body, a first permanent magnet, a first stator core with a winding, a second permanent magnet, a rotor core, a rotating shaft, a first bearing, a second bearing, a third bearing, a fourth bearing, a first brake, a group of blades, a second brake and another group of blades; the permanent magnet I is fixed on the inner surface of the rotor body, and the stator core I with the winding is fixed on the outer wall of the inner shell and mutually inducts with the permanent magnet I to form a set of closed loop to form a generator; and the stator core II with the winding is fixed on the inner wall of the right outer shell and mutually inducts with the permanent magnet II to form a set of closed loop to form another generator.

Description

Axial double-engine direct-drive permanent magnet wind driven generator

Technical Field

The utility model relates to a permanent magnet synchronous wind driven generator, in particular to axial double-engine direct drive permanent magnet wind driven 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 continuous progress of science and technology, the world wind power industry develops rapidly, the single machine power is increased continuously, but the problem of wind power cost and efficiency in a low wind speed area cannot be solved effectively by increasing the single machine power, the low wind speed is adapted by means of lengthening the blades, the length of the blades must be increased, the size of the generator must be increased, and the cost is greatly increased.

Disclosure of Invention

In order to increase the unit capacity of the wind driven generator and not increase the length of the paddle, the utility model provides an axial double-engine direct-drive permanent magnet wind driven generator. The technical scheme is as follows:

an axial double-engine direct-drive permanent magnet wind driven generator comprises a left outer shell, a right outer shell, an inner shell, a left end cover, a middle end cover, a right end cover, a rotor body, a first permanent magnet, a first stator core with a winding, a second permanent magnet, a rotor core, a rotating shaft, a first bearing, a second bearing, a third bearing, a fourth bearing, a first brake, a group of blades, a second brake and another group of blades; the left outer casing is fixedly connected with the left end cover and the left side of the middle end cover, the right outer casing is fixedly connected with the right end cover and the right side of the middle end cover, the left side of the middle end cover is fixedly connected with the inner casing, the middle end cover is provided with two bearing chambers, namely a left bearing chamber and a right bearing chamber, the outer rings of the first bearing and the second bearing are respectively fixed in the bearing chamber of the left end cover and the left bearing chamber of the middle end cover, the inner rings of the first bearing and the second bearing are respectively fixed on the rotor body, the first permanent magnet is fixed on the inner surface of the rotor body, the first stator core with a winding is fixed on the outer wall of the inner casing and mutually induces with the first permanent magnet to form a set of closed loop, and the first; the outer rings of the third bearing and the fourth bearing are respectively fixed in a bearing chamber of the right end cover and a bearing chamber on the right side of the middle end cover, the inner rings of the third bearing and the fourth bearing are respectively fixed on the rotating shaft, the rotor core is sleeved on the rotating shaft, the second permanent magnet is fixed on the surface of the rotor core, the second stator core with a winding is fixed on the inner wall of the right outer casing and mutually inducts with the second permanent magnet to form a set of closed loop to form another generator; the first brake is fixedly connected with the left end cover, and the group of blades are fixed on a part, extending to the left, of the rotor body and are positioned on the left side of the first brake; the second brake is fixedly connected with the right end cover, and the other group of blades are fixed on the part, extending out rightwards, of the rotating shaft and located on the right side of the second brake.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a cross-sectional view of an axial double-engine direct-drive permanent magnet wind turbine provided by the present invention;

in the drawings, the reference numerals represent the following list of components:

101 left outer casing, 102 right outer casing, 103 inner casing, 104 left end cover,

105 middle end cover, 106 right end cover, 107 rotor body, 108 permanent magnet one,

109, a first winding stator core 110, a second winding stator core 111, a second permanent magnet 111,

112 rotor iron core, 113 rotating shaft, 114 bearing I, 115 bearing II, 116 bearing III,

117 bearing four, 118 brake one, 119 a group of blades, 120 brake two, 121 another group of blades.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, the utility model provides an axial double-engine direct-drive permanent magnet wind power generator, the generator includes left outer casing 101, right outer casing 102, inner casing 103, left end cover 104, middle end cover 105, right end cover 106, rotor body 107, permanent magnet 108, winding stator core 109, winding stator core two 110, permanent magnet two 111, rotor core 112, rotating shaft 113, bearing one 114, bearing two 115, bearing three 116, bearing four 117, brake one 118, a set of paddle 119, brake two 120, another set of paddle 121; the left outer casing 101 is fixedly connected with the left end cover 104 and the left side of the middle end cover 105, the right outer casing 102 is fixedly connected with the right end cover 106 and the right side of the middle end cover 105, the left side of the middle end cover 105 is fixedly connected with the inner casing 103, the middle end cover 105 is provided with two bearing chambers, namely a left bearing chamber a and a right bearing chamber b, outer rings of the first bearing 114 and the second bearing 115 are respectively fixed in the bearing chamber of the left end cover 104 and the left bearing chamber a of the middle end cover 105, inner rings of the first bearing 114 and the second bearing 115 are respectively fixed on the rotor body 107, the first permanent magnet 108 is fixed on the inner surface of the rotor body 107, the first stator core 109 with winding is fixed on the outer wall of the inner casing 103, and mutually induces with the first permanent magnet 108 to form a set of closed loop to form a generator; the outer rings of the third bearing 116 and the fourth bearing 117 are respectively fixed in the bearing chamber of the right end cover 106 and the right bearing chamber b of the middle end cover 105, the inner rings of the third bearing 116 and the fourth bearing 117 are respectively fixed on the rotating shaft 113, the rotor core 112 is sleeved on the rotating shaft 113, the second permanent magnet 111 is fixed on the surface of the rotor core 112, the second stator core 110 with windings is fixed on the inner wall of the right outer casing 102 and mutually induces with the second permanent magnet 111 to form a closed loop to form another generator; the first stopper 118 is fixedly connected with the left end cover 104, and the group of blades 119 is fixed on the left protruding part of the rotor body 107, which is located at the left side of the stopper 118; the second brake 120 is fixedly connected with the right end cover 106, and the other group of blades 121 is fixed on the part, extending rightwards, of the rotating shaft 113 and is positioned on the right side of the second brake 120.

The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An axial double-engine direct-drive permanent magnet wind driven generator is characterized by comprising a left outer shell, a right outer shell, an inner shell, a left end cover, a middle end cover, a right end cover, a rotor body, a first permanent magnet, a first stator core with a winding, a second permanent magnet, a rotor core, a rotating shaft, a first bearing, a second bearing, a third bearing, a fourth bearing, a first brake, a group of blades, a second brake and another group of blades; the left outer casing is fixedly connected with the left end cover and the left side of the middle end cover, the right outer casing is fixedly connected with the right end cover and the right side of the middle end cover, the left side of the middle end cover is fixedly connected with the inner casing, the middle end cover is provided with two bearing chambers, namely a left bearing chamber and a right bearing chamber, the outer rings of the first bearing and the second bearing are respectively fixed in the bearing chamber of the left end cover and the left bearing chamber of the middle end cover, the inner rings of the first bearing and the second bearing are respectively fixed on the rotor body, the first permanent magnet is fixed on the inner surface of the rotor body, the first stator core with a winding is fixed on the outer wall of the inner casing and mutually induces with the first permanent magnet to form a set of closed loop, and the first; the outer rings of the third bearing and the fourth bearing are respectively fixed in a bearing chamber of the right end cover and a bearing chamber on the right side of the middle end cover, the inner rings of the third bearing and the fourth bearing are respectively fixed on the rotating shaft, the rotor core is sleeved on the rotating shaft, the second permanent magnet is fixed on the surface of the rotor core, the second stator core with a winding is fixed on the inner wall of the right outer casing and mutually inducts with the second permanent magnet to form a set of closed loop to form another generator; the first brake is fixedly connected with the left end cover, and the group of blades are fixed on a part, extending to the left, of the rotor body and are positioned on the left side of the first brake; the second brake is fixedly connected with the right end cover, and the other group of blades are fixed on the part, extending out rightwards, of the rotating shaft and located on the right side of the second brake.