CN116365788A - Disk type permanent magnet generator - Google Patents

Disk type permanent magnet generator Download PDF

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Publication number
CN116365788A
CN116365788A CN202310284310.XA CN202310284310A CN116365788A CN 116365788 A CN116365788 A CN 116365788A CN 202310284310 A CN202310284310 A CN 202310284310A CN 116365788 A CN116365788 A CN 116365788A
Authority
CN
China
Prior art keywords
end cover
main shaft
permanent magnet
magnet generator
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310284310.XA
Other languages
Chinese (zh)
Inventor
黄长育
刘正高
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengjiu Motor Technology Co ltd
Original Assignee
Jiangsu Hengjiu Motor Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Hengjiu Motor Technology Co ltd filed Critical Jiangsu Hengjiu Motor Technology Co ltd
Priority to CN202310284310.XA priority Critical patent/CN116365788A/en
Publication of CN116365788A publication Critical patent/CN116365788A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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

Disk type permanent magnet generator
Technical Field
The utility model relates to the technical field of generators, in particular to a disk permanent magnet generator.
Background
Wind energy is clean, environment-friendly and renewable energy, becomes an important way for solving the energy crisis in many countries and regions for development and utilization of wind energy, and along with continuous development of wind energy technology, the novel vertical axis wind driven generator adopts completely different design concepts, adopts novel structures and materials, achieves excellent performances of breeze starting, no noise, resistance to typhoons above 12 levels, no influence of wind direction and the like, and can be widely used in villas, multi-layer and high-rise buildings and other small and medium-sized application occasions.
The patent number CN201520138537.4 relates to the technical field of motors, and comprises an upper end cover, a main end cover, a rotor and a stator, wherein the rotor is connected with a main shaft and rotates along with the main shaft; the stator is a round steel plate adhered with a permanent magnet, and is attached to the main end cover. The rotor adopts a coreless structure, the coil is packaged in an insulating material, and the coil is pressed into a disc shape; the permanent magnets are sixteen sector permanent magnet poles, and N poles and S poles are alternately and uniformly distributed around the center of the round steel plate. The disk permanent magnet generator provided by the utility model has the advantages of simple structure, flat appearance, short axial dimension, no iron core armature structure, stable torque output, no hysteresis and eddy current loss and higher efficiency; the two end surfaces of the rotor are directly contacted with the air gap, so that heat dissipation is facilitated; the rotating part is only a coil, has small moment of inertia and excellent quick response performance, and is suitable for occasions of frequent starting and braking.
When the permanent magnet generator is used, the rotor drives airflow to circulate for heat dissipation, so that the heat dissipation effect is limited, and effective heat dissipation cannot be performed.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
The present utility model has been made in view of the above-mentioned and/or existing problems occurring in disc permanent magnet generators.
Therefore, the utility model aims to provide a disk permanent magnet generator, which is characterized in that fan blades positioned in an end cover are connected on a main shaft, air holes and ventilation grooves are formed in the end cover, meanwhile, an air flow channel is formed in the main shaft, and a dustproof part is arranged on the inner side of the end cover.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a disk permanent magnet generator, comprising:
the lower end cover assembly comprises a lower end cover, a lower end hole and a stator, wherein 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 and comprises an upper end cover, an upper end hole, ventilation holes and ventilation grooves, the upper end hole is formed in the center of the upper end cover, the ventilation holes are formed in the end face of the upper end cover, and the ventilation grooves are formed in the side walls of the upper end cover;
the rotor mechanism is arranged in the lower end cover and the upper end cover and comprises a main shaft, a rotor, fan blades and an airflow channel, the main shaft is connected between the lower end hole and the upper end hole, the outer wall of the main shaft is connected with the rotor adjacent to the stator, the outer wall of the main shaft is connected with the fan blades adjacent to the air holes, and the side wall of the main shaft is provided with the airflow channel;
and the dustproof part is arranged on the inner wall of the upper end cover.
As a preferable embodiment of the disk-type permanent magnet generator of the present utility model, wherein: and the lower end cover and the upper end cover are provided with opposite connecting holes.
As a preferable embodiment of the disk-type permanent magnet generator of the present utility model, wherein: the lower end hole and the upper end hole are positioned on the same axis.
As a preferable embodiment of the disk-type permanent magnet generator of the present utility model, wherein: bearings are arranged between the lower end hole and the main shaft and between the upper end hole and the main shaft.
As a preferable embodiment of the disk-type permanent magnet generator of the present utility model, wherein: the fan blades are fixed on the outer wall of the main shaft through connecting keys.
As a preferable embodiment of the disk-type permanent magnet generator of the present utility model, wherein: the ventilation holes are uniformly distributed on the end face of the upper end cover, and the ventilation grooves are uniformly distributed on the side wall of the upper end cover.
As a preferable embodiment of the disk-type permanent magnet generator of the present utility model, wherein: the air flow channels adopt uniformly distributed U-shaped channels, and dustproof nets are arranged at the ports of the air flow channels.
Compared with the prior art: according to the utility model, the fan blades positioned in the end cover are connected on the main shaft, the air holes and the ventilation grooves are formed in the end cover, the air flow channel is formed in the main shaft, the dustproof part is arranged on the inner side of the end cover, the main shaft synchronously drives the fan blades to move in the process of generating power by rotating the main shaft, the fan blades drive the air flow to circulate, so that the air flow circulates through the air holes, the ventilation grooves and the air flow channel, the air exchange inside and outside the end cover is realized, the heat dissipation is realized, the dustproof part is used for dust prevention in the air flow circulation process, an external heat dissipation motor is not required in the heat dissipation process, the main shaft provides power, the utilization rate of power resources is improved, the use cost is reduced, and the effective heat dissipation is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic view of an axial structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic view of the lower end cap assembly of the present utility model;
FIG. 4 is a schematic view of the upper end cap assembly of the present utility model;
FIG. 5 is a schematic view of a rotor mechanism according to the present utility model;
FIG. 6 is a schematic view of the structure of the air flow channel of the present utility model.
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 air vent, 240 air vent slot, 300 rotor mechanism, 310 main shaft, 320 rotor, 330 fan blade, 340 air flow channel, 400 dustproof component.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a disk permanent magnet generator, connect the flabellum located in end cover on the main axis, offer bleeder vent and ventilative groove on the end cover, offer the air current channel on the main axis at the same time, and set up the dustproof part in the inboard of end cover, in the main axis rotates the generating process, the main axis drives the flabellum to move synchronously, drive the air current to circulate through the flabellum, make the air current circulate through bleeder vent, ventilative groove and air current channel, realize the air current exchange inside and outside the end cover, realize the heat dissipation, dustproof through the dustproof part in the air current circulation process, in the course of heat dissipation, need not to be equipped with the heat dissipation motor outside, provide power by the main axis, improve the utilization ratio of the power resource, can reduce the use cost at the same time, realize the effective heat dissipation, please refer to fig. 1-6, include: a lower end cap assembly 100, an upper end cap assembly 200, a rotor mechanism 300, and a dust guard 400.
The lower end cover assembly 100 comprises a lower end cover 110, a lower end hole 120 and a stator 130, wherein the lower end hole 120 is formed in the center of the lower end cover 110, and the stator 130 is arranged in the lower end cover 110;
the lower end cover 110 is a disc-shaped end cover, the stator 130 is fixedly installed inside the lower end cover 110, and magnetic poles distributed at intervals are arranged on the stator.
The upper end cover assembly 200 is connected with the lower end cover 110, the upper end cover assembly 200 comprises an upper end cover 210, an upper end hole 220, an air vent 230 and an air vent groove 240, the upper end hole 220 is formed in the center of the upper end cover 210, the air vent 230 is formed in the end face of the upper end cover 210, and the air vent groove 240 is formed in the side wall of the upper end cover 210;
the upper end cap 210 is a disc-type end cap, the ventilation holes 230 are through round holes, and the ventilation grooves 240 are bar-shaped grooves.
The rotor mechanism 300 is arranged in the lower end cover 110 and the upper end cover 210, the rotor mechanism 300 comprises a main shaft 310, a rotor 320, fan blades 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 with the rotor 320 adjacent to the stator 130, the outer wall of the main shaft 310 is connected with the fan blades 330 adjacent to the air holes 230, and the side wall of the main shaft 310 is provided with the air flow channel 340;
the rotor 320 is fixedly connected to the outside of the spindle 310 through a connecting rod, the spindle 310 drives the rotor 320 to rotate synchronously, meanwhile, the fan blades 330 rotate along with the rotor 320, the air flow channel 340 is an inclined channel, and when the spindle 310 rotates, air flows in the air flow channel 340.
The dustproof member 400 is disposed on the inner wall of the upper end cap 210, and the dustproof member 400 is a gauze for preventing external dust from entering the inside of the end cap.
The lower end cap 110 and the upper end cap 210 are provided with opposite connection holes, and bolts connect the lower end cap 110 and the upper end cap 210 together through the connection holes.
The lower end bore 120 is coaxial with the upper end bore 220 for connection to the spindle 310.
Bearings are arranged between the lower end hole 120 and the main shaft 310 and between the upper end hole 220 and the main shaft 310, so that the main shaft 310 can rotate conveniently, and friction resistance is reduced.
The fan blades 330 are fixed to the outer wall of the main shaft 310 through connection keys, and rotate synchronously with the main shaft 310.
The ventilation holes 230 are uniformly distributed on the end face of the upper end cover 210, and the ventilation grooves 240 are uniformly distributed on the side wall of the upper end cover 210, so that the air channel uniformly circulates, and uniform heat dissipation is realized.
The air flow channel 340 adopts evenly distributed's U type passageway, and air flow channel 340 port all is provided with the dust screen, makes the air current circulate with inside from the end cover outside, avoids the dust to get into simultaneously and causes the passageway to block up.
When the main shaft 310 rotates to generate electricity, the main shaft 310 synchronously drives the fan blades 330 to move, the fan blades 330 drive the air flow to circulate, the air flow circulates through the air holes 230, the air permeable grooves 240 and the air flow channels 340, the air flow exchange inside and outside the end covers is realized, the heat dissipation is realized, the dust prevention is realized through the dust prevention part 400 in the air flow circulation process, an external heat dissipation motor is not needed in the heat dissipation process, the main shaft provides power, and the utilization rate of power resources is improved.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. A disk permanent magnet generator comprising:
the lower end cover assembly (100) comprises a lower end cover (110), a lower end hole (120) and a stator (130), wherein the lower end hole (120) is formed in the center of the lower end cover (110), and the stator (130) is arranged in the lower end cover (110);
the upper end cover assembly (200) is connected with the lower end cover (110), the upper end cover assembly (200) comprises an upper end cover (210), an upper end hole (220), ventilation holes (230) and ventilation grooves (240), the upper end hole (220) is formed in the center of the upper end cover (210), the ventilation holes (230) are formed in the end face of the upper end cover (210), and the ventilation grooves (240) are formed in the side wall of the upper end cover (210);
the rotor mechanism (300) is arranged in the lower end cover (110) and the upper end cover (210), the rotor mechanism (300) comprises a main shaft (310), a rotor (320), fan blades (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 with the rotor (320) adjacent to the stator (130), the outer wall of the main shaft (310) is connected with the fan blades (330) adjacent to the air holes (230), and the side wall of the main shaft (310) is provided with the air flow channel (340);
and a dust-proof member (400) provided on the inner wall of the upper end cap (210).
2. A disc permanent magnet generator according to claim 1, wherein the lower end cap (110) and the upper end cap (210) are provided with opposite connection holes.
3. A disc permanent magnet generator according to claim 1, characterized in that the lower end hole (120) and the upper end hole (220) are co-axial.
4. A disc permanent magnet generator according to claim 1, characterized in that 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).
5. A disk type permanent magnet generator according to claim 1, wherein the blades (330) are fixed to the outer wall of the main shaft (310) by means of connection keys.
6. The disc-type permanent magnet generator according to claim 1, wherein the ventilation holes (230) are uniformly distributed on the end surface of the upper end cover (210), and the ventilation grooves (240) are uniformly distributed on the side wall of the upper end cover (210).
7. A disc permanent magnet generator according to claim 1, wherein the air flow channels (340) are uniformly distributed U-shaped channels, and the ports of the air flow channels (340) are provided with dust screens.
CN202310284310.XA 2023-03-22 2023-03-22 Disk type permanent magnet generator Pending CN116365788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310284310.XA CN116365788A (en) 2023-03-22 2023-03-22 Disk type permanent magnet generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310284310.XA CN116365788A (en) 2023-03-22 2023-03-22 Disk type permanent magnet generator

Publications (1)

Publication Number Publication Date
CN116365788A true CN116365788A (en) 2023-06-30

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ID=86935276

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310284310.XA Pending CN116365788A (en) 2023-03-22 2023-03-22 Disk type permanent magnet generator

Country Status (1)

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CN (1) CN116365788A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201369663Y (en) * 2009-03-16 2009-12-23 常州高尔登科技有限公司 Disk-type brushless motor
WO2011095065A1 (en) * 2010-02-08 2011-08-11 国能风力发电有限公司 Vertical shaft disc-type outer rotor electric machine and cooling structure thereof
CN204030803U (en) * 2014-05-30 2014-12-17 临海市誉达机电有限公司 A kind of end cover for motor
CN205319816U (en) * 2016-01-20 2016-06-15 崔小兵 Permanent magnetism disk type motor cooling system
CN105673088A (en) * 2016-01-19 2016-06-15 哈尔滨工业大学 Oil cooling turbine moving blade
CN214850776U (en) * 2021-04-22 2021-11-23 苏州市华川铸造有限公司 Motor output shaft end cover
CN114598093A (en) * 2022-01-20 2022-06-07 荣成市恒力电机有限公司 Permanent magnet motor with uniformly distributed ventilation type protection mechanism
CN115733325A (en) * 2022-12-08 2023-03-03 安徽大学 Axial flux motor with built-in rotor of centrifugal fan and oil-cooled stator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201369663Y (en) * 2009-03-16 2009-12-23 常州高尔登科技有限公司 Disk-type brushless motor
WO2011095065A1 (en) * 2010-02-08 2011-08-11 国能风力发电有限公司 Vertical shaft disc-type outer rotor electric machine and cooling structure thereof
CN204030803U (en) * 2014-05-30 2014-12-17 临海市誉达机电有限公司 A kind of end cover for motor
CN105673088A (en) * 2016-01-19 2016-06-15 哈尔滨工业大学 Oil cooling turbine moving blade
CN205319816U (en) * 2016-01-20 2016-06-15 崔小兵 Permanent magnetism disk type motor cooling system
CN214850776U (en) * 2021-04-22 2021-11-23 苏州市华川铸造有限公司 Motor output shaft end cover
CN114598093A (en) * 2022-01-20 2022-06-07 荣成市恒力电机有限公司 Permanent magnet motor with uniformly distributed ventilation type protection mechanism
CN115733325A (en) * 2022-12-08 2023-03-03 安徽大学 Axial flux motor with built-in rotor of centrifugal fan and oil-cooled stator

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