CN213279305U

CN213279305U - Novel anti-string permanent magnet generator

Info

Publication number: CN213279305U
Application number: CN202022079257.4U
Authority: CN
Inventors: 尹大军
Original assignee: Jiangsu Naier Wind Power Technology Development Co ltd
Current assignee: Jiangsu Naier Wind Power Technology Development Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-25
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a permanent magnet generator is prevented moving by new money, including shell and rotor, the inside swing joint of shell has the main shaft, and the left side both sides swing joint of main shaft has the bearing, the hexagonal hole has been seted up to the right-hand member inside of main shaft, the upper and lower both ends fixedly connected with magnet steel of rotor, the upper and lower both sides swing joint of magnet steel has the stator, the inside fixedly connected with fixing device of shell, the inside left end fixedly connected with heat abstractor of shell. This permanent magnet generator is prevented running in cluster by new money, compare with current ordinary permanent magnet generator, the device increases the hexagon socket head cap groove in the front end on the main shaft, only need when connecting drive arrangement fix the main shaft with hexagon socket head cap spanner can, the nut is screwed clockwise simultaneously, convenient to use person carries out quick installation and dismantlement, reach the purpose that prevents to follow the commentaries on classics, and main shaft tail end increases the bearing, make can guarantee that the main shaft can not run backward when using, when the exogenic action, the motor is more stable, and the quality of using is improved.

Description

Novel anti-string permanent magnet generator

Technical Field

The utility model relates to a permanent magnet generator is prevented strikeing by new money.

Background

The permanent magnet generator is a power generation device which converts mechanical energy converted from heat energy into electric energy, and is developed by France firstly, the most difference between the permanent magnet generator and the excitation generator is that the excitation magnetic field is generated by a permanent magnet, the permanent magnet is a magnetic source in the motor and a component of a magnetic circuit, the magnetic performance of the permanent magnet is not only related to the manufacturing process of a production plant, but also related to the shape and size of the permanent magnet, the capacity of a magnetizer and a magnetizing method, the discreteness of specific performance data is very large, and the magnetic flux and magnetomotive force which can be provided by the permanent magnet in the motor also change along with the material performance, the size and the motor running state of the rest part of the magnetic circuit, in addition, the magnetic circuit structure of the permanent magnet generator is various, the magnetic leakage circuit is very complex, the proportion of the magnetic leakage flux is large, the ferromagnetic material part is easy to saturate, these increase the complexity of the electromagnetic calculation of the permanent magnet generator, making the calculation result less accurate than that of the electrically excited generator, and therefore, a new design concept must be established, the magnetic circuit structure and the control system must be re-analyzed and improved, a modern design method must be applied, a new analysis and calculation method must be studied to improve the accuracy of the design calculation, and advanced testing methods and manufacturing processes must be studied.

The traditional permanent magnet generator is simple in overall design due to reasons such as cost control, the adverse phenomena such as follow-up rotation of a main shaft and back and forth movement of the main shaft can occur when a customer uses the generator carelessly, the adverse effects on normal use of the customer can be caused, the small permanent magnet generator is a product with large use amount of the customer, the product designed by the old traditional permanent magnet generator has obvious defects when the generator is used in a large scale, the phenomenon that the permanent magnet motor cannot be normally installed and the main shaft is loosened after the permanent magnet motor is installed due to the design reasons can occur with great probability, the customer complains about sound tracks, the examination of the market for many years and the accumulation of the feedback problems of the customer can be caused, although the traditional permanent magnet generator can be normally used due to the simple design, the control cost can be saved, meanwhile, if the customer uses too much force during installation or the tolerance control is not good during processing, the overall stability is not, the feedback of the situation on the market is inexhaustible, the problem is considered from the perspective of users, and the push-up of the overall structure of the traditional permanent magnet generator, especially the design of the small traditional permanent magnet generator, which is always explosive in market is urgent.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a permanent magnet generator is prevented strikeing by new money.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a permanent magnet generator is prevented strikeing by new money, including shell and rotor, the inside swing joint of shell has the main shaft, and the left side both sides swing joint of main shaft has the bearing, the hexagonal hole has been seted up to the right-hand member inside of main shaft, and the inside swing joint in hexagonal hole has the nut, the upper and lower both ends fixedly connected with magnet steel of rotor, and the rotor is located the upper and lower both ends of main shaft, the upper and lower both sides swing joint of magnet steel has the stator, the inside fixedly connected with fixing device of shell, and the left side lower extreme fixedly connected with termination of shell, the inside left end fixedly connected with heat abstractor of shell.

Preferably, the central axis of the housing coincides with the central axis of the main shaft, and the central axis of the main shaft coincides with the central axis of the bearing.

Preferably, the central axis of the hexagonal hole coincides with the central axis of the nut, and the nut is in threaded connection with the main shaft through the hexagonal hole.

Preferably, the central axis of the rotor coincides with the central axis of the main shaft, and the outer surface of the rotor is tightly attached to the inner surface of the magnetic steel.

Preferably, the central axis of the stator coincides with the central axis of the rotor, and the central axis of the stator coincides with the central axis of the bearing.

Preferably, the central axis of the heat dissipation device coincides with the central axis of the main shaft, and the fixing devices are symmetrical with respect to the central axis of the main shaft.

The utility model discloses the beneficial effect who reaches is:

1. through the arrangement of the shell, the main shaft, the bearings, the hexagonal holes and the nuts, the bearings at the left end and the right end of the main shaft are fixedly installed during installation, the stability of the motor can be ensured while the motor is fixed by utilizing the added bearings, the purpose of preventing the motor from moving is achieved, the main shaft is fixed by only using an inner hexagonal wrench when the driving device is connected, meanwhile, the nuts are screwed clockwise, the detachable structure between the main shaft and the nut is convenient for a user to quickly install and detach, the purpose of preventing follow-up rotation is achieved, and therefore the stability of the whole structure is improved, and the use quality is improved;

2. through the arrangement of the rotor, the magnetic steel, the stator and the fixing device, the electromagnetic induction principle that the electric potential is induced by cutting magnetic lines by using a conducting wire like an alternating current generator is utilized, the mechanical energy of a prime motor is converted into electric energy to be output, the electric energy is composed of the stator and the rotor, the stator is an armature generating electric power, the rotor is a magnetic pole, the stator is composed of an armature iron core, three-phase windings which are uniformly arranged, a machine base, an end cover and the like, the rotor is usually in a non-salient pole type and is composed of an excitation winding, an iron core, a shaft, a protective ring, a central ring and the like, the excitation winding of the rotor is, the effective excitation magnetic flux is linked with the static armature winding, when the rotor rotates, the rotor magnetic field rotates along with the rotor magnetic field, each phase of winding of the stator is cut by the magnetic force line in sequence every revolution, and three-phase alternating current potential is induced in the three-phase stator winding to play a role in generating electricity;

3. through termination and heat abstractor's setting for be connected termination and transmission of electricity equipment during the use, realize that the electric energy that the generator produced transmits to inside the equipment that uses, make equipment circular telegram back can normal use, utilize inside heat abstractor can effectually carry out effectual heat dissipation to inside coil and stator and rotor, avoid the higher damage that causes interior component of inside heat, subtract the life of its generator of short.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic view of the external structure of the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the structure of the present invention.

In the figure: 1. a housing; 2. a main shaft; 3. a bearing; 4. a hexagonal hole; 5. a nut; 6. a rotor; 7. magnetic steel; 8. a stator; 9. a fixing device; 10. a wiring device; 11. a heat sink is provided.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1 and 2, a new anti-cross permanent magnet generator comprises a housing 1 and a rotor 6, wherein the housing 1 is movably connected with a main shaft 2, the left two sides of the main shaft 2 are movably connected with bearings 3, a hexagonal hole 4 is formed in the right end of the main shaft 2, a nut 5 is movably connected in the hexagonal hole 4, the central axis of the housing 1 coincides with the central axis of the main shaft 2, the central axis of the main shaft 2 coincides with the central axis of the bearings 3, the central axis of the hexagonal hole 4 coincides with the central axis of the nut 5, the nut 5 forms a threaded connection with the main shaft 2 through the hexagonal hole 4, the housing 1, the main shaft 2, the bearings 3, the hexagonal hole 4 and the nut 5 are arranged, so that the bearings 3 at the left end and the right end of the main shaft 2 are fixedly installed, the added bearings 3 are utilized, the stability of the motor can be ensured at the same time of fixing, the purpose of preventing the movement is achieved, the inner hexagonal groove at the front end is additionally arranged on the main shaft 2, when the driving device is connected, only an inner hexagonal wrench is needed to fix the main shaft 2, and meanwhile, the nut 5 is screwed clockwise, the detachable structure between the main shaft and the nut is convenient for a user to rapidly install and detach, the purpose of preventing the follow-up rotation is achieved, so that the stability of the whole structure is improved, and the use quality is improved;

as shown in fig. 2 and fig. 3, the upper and lower ends of the rotor 6 are fixedly connected with magnetic steels 7, the rotor 6 is located at the upper and lower ends of the main shaft 2, the upper and lower sides of the magnetic steels 7 are movably connected with stators 8, the central axis of the rotor 6 coincides with the central axis of the main shaft 2, the outer surface of the rotor 6 is tightly attached to the inner surface of the magnetic steels 7, the central axis of the stator 8 coincides with the central axis of the rotor 6, and the central axis of the stator 8 coincides with the central axis of the bearing 3, by the arrangement of the rotor 6, the magnetic steels 7, the stators 8 and the fixing device 9, the mechanical energy of the prime mover is converted into electric energy by using the electromagnetic induction principle that the magnetic lines of force are cut by wires to induce electric potential like the alternator, the mechanical energy of the prime mover is converted into electric energy to be output, the mechanical energy is composed of, the three-phase motor comprises three-phase windings, a base, an end cover and the like which are uniformly arranged, wherein a rotor 6 is usually in a non-salient pole type and comprises an excitation winding, an iron core, a shaft, a protective ring, a central ring and the like, direct current is introduced into the excitation winding of the rotor 6 to generate a magnetic field which is close to sine distribution, the effective excitation magnetic flux of the magnetic field is linked with a static armature winding in a crossed manner, when the rotor 6 rotates, the magnetic field of the rotor 6 rotates along with the rotor, each phase winding of a stator is sequentially cut by magnetic lines every time when the rotor rotates, and three-phase alternating current potential is induced in the three;

as shown in fig. 1 and 4, the fixing device 9 is fixedly connected to the inside of the housing 1, the wiring device 10 is fixedly connected to the lower end of the left side of the housing 1, the heat dissipation device 11 is fixedly connected to the left side of the housing 1, the central axis of the heat dissipation device 11 coincides with the central axis of the main shaft 2, the fixing device 9 is symmetrical about the central axis of the main shaft 2, the wiring device 10 and the heat dissipation device 11 are arranged, the wiring device 10 is connected with power transmission equipment during use, electric energy generated by the generator is transmitted to the inside of the used equipment, the equipment can be normally used after being powered on, the internal coil, the stator 8 and the rotor 6 can be effectively dissipated by the heat dissipation device 11 inside, damage to internal elements caused by high internal heat is avoided, and the service life of the generator is shortened.

The working principle is as follows: the bearings 3 at the left end and the right end of the main shaft 2 are installed and fixed, the added bearings 3 are utilized, the stability of the main shaft 2 can be ensured while the motor is fixed, and the purpose of preventing the series motion is achieved, the hexagonal groove in the front end is added on the main shaft 2, when the driving device is connected, only the main shaft 2 needs to be fixed by using a hexagonal wrench, meanwhile, a nut 5 is screwed clockwise, after the installation is finished, the mechanical energy of a prime motor is changed into electric energy to be output by using an electromagnetic induction principle that a lead cuts magnetic lines of force to induce potential, the stator 8 and the rotor 6 are composed of two parts, the stator 8 is an armature which sends out electric power, the rotor 6 is a magnetic pole, the stator 8 is composed of an armature core, three-phase windings which are uniformly arranged, a base, an end cover and the like, the rotor 6 is usually in a non-salient pole type and is composed of an excitation winding, an iron core, when the rotor 6 rotates, the magnetic field of the rotor 6 rotates along with the rotor, and each phase of winding of the stator is sequentially cut by magnetic lines of force each time one rotation, three-phase alternating current potential is induced in the three-phase stator winding, so that the purpose of power generation is achieved, and the internal coil, the stator 8 and the rotor 6 can be effectively radiated by using the internal radiating device 11 in the power generation process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a new pattern prevents string and moves permanent magnet generator, includes shell (1) and rotor (6), its characterized in that: the utility model discloses a motor rotor, including shell (1), the inside swing joint of shell (1) has main shaft (2), and the left side both sides swing joint of main shaft (2) has bearing (3), hexagonal hole (4) have been seted up to the right-hand member of main shaft (2) inside, and hexagonal hole (4) inside swing joint has nut (5), the upper and lower both ends fixedly connected with magnet steel (7) of rotor (6), and rotor (6) are located the upper and lower both ends of main shaft (2), the upper and lower both sides swing joint of magnet steel (7) has stator (8), the inside fixedly connected with fixing device (9) of shell (1), and the left side lower extreme fixedly connected with termination (10) of shell (1), the inside left end fixedly connected with heat abstractor (11) of shell (1).

2. The new anti-stringing permanent magnet generator according to claim 1, further comprising: the central axis of the shell (1) coincides with the central axis of the main shaft (2), and the central axis of the main shaft (2) coincides with the central axis of the bearing (3).

3. The new anti-stringing permanent magnet generator according to claim 1, further comprising: the central axis of the hexagonal hole (4) coincides with the central axis of the nut (5), and the nut (5) is in threaded connection with the main shaft (2) through the hexagonal hole (4).

4. The new anti-stringing permanent magnet generator according to claim 1, further comprising: the central axis of the rotor (6) coincides with the central axis of the main shaft (2), and the outer surface of the rotor (6) is tightly attached to the inner surface of the magnetic steel (7).

5. The new anti-stringing permanent magnet generator according to claim 1, further comprising: the central axis of the stator (8) coincides with the central axis of the rotor (6), and the central axis of the stator (8) coincides with the central axis of the bearing (3).

6. The new anti-stringing permanent magnet generator according to claim 1, further comprising: the central axis of the heat dissipation device (11) is coincident with the central axis of the main shaft (2), and the fixing devices (9) are symmetrical about the central axis of the main shaft (2).