CN116365788A - A disc permanent magnet generator - Google Patents

Abstract

The utility model belongs to the technical field of generators, in particular to a disk permanent magnet generator, which comprises: the rotor mechanism comprises a lower end cover assembly, an upper end cover assembly, a rotor mechanism and a dustproof part, wherein the lower end cover assembly comprises a lower end cover, a lower end hole and a stator, the lower end hole is formed in the center of the lower end cover, and the stator is arranged in the lower end cover; the upper end cover assembly is connected with the lower end cover, the upper end cover assembly comprises an upper end cover, an upper end hole, an air vent and an air vent groove, the upper end hole is formed in the center of the upper end cover, the air vent is formed in the end face of the upper end cover, air flows through the air vent, the air vent groove and the air flow channel, air flow exchange inside and outside the end cover is achieved, heat dissipation is achieved, dust prevention is conducted through a dust-proof component in the air flow circulation process, an external heat dissipation motor is not needed in the heat dissipation process, power is provided by a main shaft, the utilization rate of power resources is improved, meanwhile, the use cost can be reduced, and effective heat dissipation is achieved.

Description

A disc permanent magnet generator

technical field

The invention relates to the technical field of generators, in particular to a disc permanent magnet generator.

Background technique

Wind energy is a clean, environmentally friendly and renewable energy. The development and utilization of wind energy has become an important way to solve the energy crisis in many countries and regions. With the continuous development of wind energy technology, the new vertical axis wind turbine adopts a completely different design concept. Using new structure and materials, it achieves excellent performances such as light wind start, no noise, typhoon resistance above level 12, and not affected by wind direction. It can be widely used in small and medium-sized applications such as villas, multi-storey and high-rise buildings.

Patent No. CN201520138537.4 A disc-type permanent magnet generator, which relates to the field of motor technology, consists of an upper end cover, a main end cover, a rotor, and a stator. The rotor is connected to the main shaft and rotates together with the main shaft; Steel plate, the stator is attached to the main endshield. The rotor adopts an iron-free structure, and the coil is encapsulated in an insulating material and pressed into a disc shape; the permanent magnets are sixteen sector-shaped permanent magnet poles, and the N poles and S poles are alternately and evenly distributed around the center of the circular steel plate. The disc type permanent magnet generator provided by the utility model has simple structure, flat shape, short axial dimension, no iron core armature structure, stable torque output, no hysteresis and eddy current loss, and high efficiency; both ends of the rotor are directly It is in contact with the air gap, which is beneficial to heat dissipation; the rotating part is only the coil, the moment of inertia is small, and it has excellent quick response performance, which is suitable for frequent starting and braking occasions.

When the above-mentioned permanent magnet generator is in use, the rotor itself drives air flow to dissipate heat, and its heat dissipation effect is limited, so it cannot effectively dissipate heat.

Contents of the invention

The purpose of this section is to outline some aspects of embodiments of the invention and to briefly describe some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and titles of this application, to avoid obscuring the purpose of this section, abstract and titles, and such simplifications or omissions should not be used to limit the scope of the invention.

In view of the problems mentioned above and/or existing in the existing disk permanent magnet generator, the present invention is proposed.

Therefore, the purpose of the present invention is to provide a kind of disc type permanent magnet generator, on the main shaft connect the fan blade that is positioned at the inside of the end cover, set up air-ventilating holes and air-ventilating slots on the end cover, set up the airflow channel on the main shaft at the same time, and A dust-proof component is installed on the inside of the end cover. During the rotation of the main shaft to generate electricity, the main shaft synchronously drives the fan blades to move, and the fan blades drive the airflow to circulate through the air holes, air slots and air flow channels to realize the air flow inside and outside the end cover. , to achieve heat dissipation, dust-proof components are used for dust-proof during the airflow process, and no external heat-dissipating motor is required during the heat-dissipating process, and the power is provided by the spindle, which improves the utilization of power resources, reduces the cost of use, and achieves effective heat dissipation.

In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

A disc permanent magnet generator comprising:

The lower end cover assembly includes a lower end cover, a lower end hole and a stator, a lower end hole is set in the center of the lower end cover, and a stator is arranged inside the lower end cover;

The upper end cover assembly is connected with the lower end cover. The upper end cover assembly includes an upper end cover, an upper end hole, a vent hole and a vent slot. Ventilation slots are provided on the side wall of the cover;

The rotor mechanism is arranged in the lower end cover and the upper end cover. The rotor mechanism includes a main shaft, a rotor, fan blades and an air flow channel. The main shaft is connected between the lower end hole and the upper end hole, and the outer wall of the main shaft is connected to the stator. The adjacent rotor, the outer wall of the main shaft is connected to the fan blade adjacent to the air hole, and the side wall of the main shaft is provided with an air flow channel;

The dustproof part is arranged on the inner wall of the upper end cover.

As a preferred solution of the disc permanent magnet generator according to the present invention, wherein: the lower end cover and the upper end cover are provided with opposite connection holes.

As a preferred solution of a disc permanent magnet generator according to the present invention, wherein: the lower hole and the upper hole are located on the same axis.

As a preferred solution of the disc-type permanent magnet generator described in the present invention, bearings are provided between the lower end hole and the main shaft, and between the upper end hole and the main shaft.

As a preferred solution of the disk-type permanent magnet generator described in the present invention, wherein: the fan blade is fixed on the outer wall of the main shaft through a connecting key.

As a preferred solution of the disk-type permanent magnet generator according to the present invention, wherein: the ventilation holes are evenly distributed on the end surface of the upper end cover, and the ventilation grooves are evenly distributed on the side wall of the upper end cover.

As a preferred solution of the disk-type permanent magnet generator described in the present invention, wherein: the air flow channel adopts uniformly distributed U-shaped channels, and the ports of the air flow channel are all provided with dust-proof nets.

Compared with the prior art: the present invention connects the fan blades located inside the end cover on the main shaft, provides ventilation holes and air-ventilating grooves on the end cover, and at the same time provides an air flow channel on the main shaft, and sets dust-proof parts inside the end cover, During the rotation of the main shaft to generate electricity, the main shaft synchronously drives the fan blades to move, and the fan blades drive the air flow to make the air flow through the air holes, air grooves and air flow channels, so as to realize the air exchange inside and outside the end cover and realize heat dissipation. Dust-proof parts are used to prevent dust. During the heat dissipation process, there is no need to install a heat-dissipating motor, and the power is provided by the spindle, which improves the utilization of power resources, and at the same time reduces the cost of use and achieves effective heat dissipation.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and detailed embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Technical personnel can also obtain other drawings based on these drawings without paying creative labor. in:

Fig. 1 is a schematic diagram of the axial side structure of the present invention;

Fig. 2 is a schematic diagram of the explosion structure of the present invention;

Fig. 3 is a structural schematic diagram of the lower end cover assembly of the present invention;

Fig. 4 is a schematic structural view of the upper end cover assembly of the present invention;

Fig. 5 is a structural schematic diagram of the rotor mechanism of the present invention;

Fig. 6 is a schematic diagram of the structure of the airflow channel of the present invention.

In the figure: 100 lower end cover assembly, 110 lower end cover, 120 lower end hole, 130 stator, 200 upper end cover assembly, 210 upper end cover, 220 upper end hole, 230 ventilation hole, 240 ventilation slot, 300 rotor mechanism, 310 main shaft, 320 rotor, 330 fan blades, 340 airflow channels, 400 dustproof parts.

Detailed ways

In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. Similarly generalized, the present invention is therefore not limited by the specific embodiments disclosed below.

Secondly, the present invention is described in detail in conjunction with schematic diagrams. When describing the implementation of the present invention in detail, for the convenience of explanation, the cross-sectional view showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not be limited here. The protection scope of the present invention. In addition, the three-dimensional space dimensions of length, width and depth should be included in actual production.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

The present invention provides a disc-type permanent magnet generator, in which the main shaft is connected with fan blades located inside the end cover, ventilating holes and air-ventilating grooves are provided on the end cover, an airflow passage is provided on the main shaft, and an anti- During the rotation of the main shaft to generate electricity, the main shaft synchronously drives the fan blades to move, and the air flow is driven by the fan blades, so that the air flow can flow through the air holes, air grooves and air flow channels, so as to realize the air exchange inside and outside the end cover, realize heat dissipation, and air flow During the circulation process, dust-proof components are used to prevent dust. During the heat dissipation process, there is no need to install a heat-dissipating motor, and the power is provided by the spindle to improve the utilization of power resources. At the same time, it can reduce the cost of use and achieve effective heat dissipation. Please refer to Figure 1-Figure 6 , including: a lower end cover assembly 100 , an upper end cover assembly 200 , a rotor mechanism 300 and a dustproof component 400 .

The lower end cover assembly 100 includes a lower end cover 110, a lower end hole 120 and a stator 130, the lower end cover 110 has a lower end hole 120 in the center, and the lower end cover 110 has a stator 130 inside;

The lower end cover 110 is a disc-shaped end cover, and the stator 130 is fixedly installed inside the lower end cover 110, and the stator is provided with magnetic poles distributed at intervals.

The upper end cover assembly 200 is connected with the lower end cover 110. The upper end cover assembly 200 includes an upper end cover 210, an upper end hole 220, a vent hole 230 and a vent slot 240. The upper end cover 210 has an upper end hole 220 in the center, and the upper end cover 210 has an air vent 230 on the end surface. Ventilation slots 240 are provided on the side wall of the cover 210;

The upper end cover 210 is a disc-shaped end cover, the ventilation hole 230 is a through hole, and the ventilation groove 240 is a strip groove.

The rotor mechanism 300 is arranged in the lower end cover 110 and the upper end cover 210. The rotor mechanism 300 includes a main shaft 310, a rotor 320, a fan blade 330 and an air flow channel 340. The main shaft 310 is connected between the lower end hole 120 and the upper end hole 220, and the outer wall of the main shaft 310 is connected to The rotor 320 adjacent to the stator 130, the outer wall of the main shaft 310 is connected to the fan blade 330 adjacent to the air hole 230, and the side wall of the main shaft 310 is provided with an air flow channel 340;

The rotor 320 is fixedly connected to the outside of the main shaft 310 through a connecting rod. The main shaft 310 drives the rotor 320 to rotate synchronously. At the same time, the fan blade 330 rotates with the rotor 320. The air flow channel 340 is an inclined channel. When the main shaft 310 rotates, the air flow in the air flow channel 340 internal circulation.

The dust-proof component 400 is arranged on the inner wall of the upper end cover 210, and the dust-proof component 400 adopts gauze to prevent external dust from entering the inside of the end cover.

The lower end cover 110 and the upper end cover 210 are provided with opposite connection holes, and bolts connect the lower end cover 110 and the upper end cover 210 together through the connection holes.

The lower hole 120 and the upper hole 220 are located on the same axis, and are used for connecting the main shaft 310 .

Bearings are provided between the lower end hole 120 and the main shaft 310 and between the upper end hole 220 and the main shaft 310 to facilitate the rotation of the main shaft 310 and reduce frictional resistance.

The fan blade 330 is fixed on the outer wall of the main shaft 310 through a connecting key, and rotates synchronously with the main shaft 310 .

The ventilation holes 230 are evenly distributed on the end surface of the upper end cover 210 , and the ventilation grooves 240 are evenly distributed on the side wall of the upper end cover 210 , so that the air path can circulate evenly and realize uniform heat dissipation.

The airflow channel 340 adopts evenly distributed U-shaped channels, and the ports of the airflow channel 340 are all provided with dust-proof nets, so that the airflow can circulate from the outside and the inside of the end cover, and at the same time avoid dust from entering to cause channel blockage.

In specific use, during the rotation of the main shaft 310 to generate electricity, the main shaft 310 synchronously drives the fan blades 330 to move, and the fan blades 330 drive the airflow to circulate through the air holes 230, the air grooves 240 and the air flow channels 340, realizing end-to-end The airflow inside and outside the cover is exchanged to realize heat dissipation. During the airflow process, the dust-proof component 400 is used to prevent dust. During the heat dissipation process, there is no need to install a heat-dissipating motor, and the power is provided by the spindle, which improves the utilization rate of power resources.

While the invention has been described above with reference to the embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention can be used in combination with each other in any way, and the description of these combinations is not exhaustive in this specification only to show In consideration of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (7)

1. A disc permanent magnet generator, characterized in that, comprising: The lower end cover assembly (100) includes a lower end cover (110), a lower end hole (120) and a stator (130), the lower end cover (110) has a lower end hole (120) in the center, and a stator is arranged inside the lower end cover (110) (130); An upper end cap assembly (200), connected to the lower end cap (110), the upper end cap assembly (200) comprising an upper end cap (210), an upper end hole (220), a vent hole (230) and a vent groove (240), The center of the upper end cover (210) is provided with an upper end hole (220), the end surface of the upper end cover (210) is provided with a ventilation hole (230), and the side wall of the upper end cover (210) is provided with a ventilation groove (240); The rotor mechanism (300) is arranged in the lower end cover (110) and the upper end cover (210), and the rotor mechanism (300) includes a main shaft (310), a rotor (320), a fan blade (330) and an air flow channel ( 340), the main shaft (310) is connected between the lower end hole (120) and the upper end hole (220), the outer wall of the main shaft (310) is connected to the rotor (320) adjacent to the stator (130), and the main shaft ( 310) The outer wall is connected to the fan blade (330) adjacent to the vent hole (230), and the side wall of the main shaft (310) is provided with an air flow channel (340); The dustproof component (400) is arranged on the inner wall of the upper end cover (210). 2. A disc-type permanent magnet generator according to claim 1, characterized in that, the lower end cover (110) and the upper end cover (210) are provided with opposite connection holes. 3. The disc-type permanent magnet generator according to claim 1, characterized in that, the lower end hole (120) and the upper end hole (220) are located on the same axis. 4. A disc-type permanent magnet generator according to claim 1, characterized in that, between the lower end hole (120) and the main shaft (310), between the upper end hole (220) and the main shaft (310) Bearings are provided. 5. The disc-type permanent magnet generator according to claim 1, characterized in that, the fan blade (330) is fixed on the outer wall of the main shaft (310) through a connecting key. 6. A kind of disc type permanent magnet generator according to claim 1, characterized in that, the air holes (230) are evenly distributed on the end face of the upper end cover (210), and the air ventilation slots (240) are located on the upper end cover (210). 210) The side walls are evenly distributed. 7. A kind of disk type permanent magnet generator according to claim 1, it is characterized in that, described airflow channel (340) adopts the U-shaped channel of uniform distribution, and described airflow channel (340) port is provided with dust-proof net.

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