CN211629974U

CN211629974U - Single-phase permanent-magnet alternating current motor

Info

Publication number: CN211629974U
Application number: CN202020735767.XU
Authority: CN
Inventors: 俞勇
Original assignee: Zhejiang Yongsheng Electric Appliance Co ltd
Current assignee: Zhejiang Yongsheng Electric Appliance Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-10-02
Anticipated expiration: 2030-05-07

Abstract

The utility model relates to an alternating current motor technical field just discloses a single-phase permanent magnet alternating current motor, the on-line screen storage device comprises a base, the top fixed mounting of base has the motor casing, the equal fixed mounting in the left and right sides of motor casing has the end cover, the right side fixed mounting of end cover has the fan housing, two the equal fixed mounting in inside of end cover has the bearing, two the apron corresponding with two end covers is all installed to the left and right sides of bearing, two the inside of bearing and apron is all rotated and is connected with the step shaft. This single-phase permanent magnet alternating current motor through contact piece and contact piece contact for the multiunit coil passes through the sliding ring and cuts off the power supply immediately, thereby lets the step shaft stall gradually, through setting up step shaft and flabellum, makes single-phase permanent magnet alternating current motor start during operation to finish work alright dispel the heat always, thereby has guaranteed the life of single-phase permanent magnet alternating current motor internal component, has solved and can rotate a period, radiating effect subalternation problem after the outage.

Description

Single-phase permanent-magnet alternating current motor

Technical Field

The utility model relates to an alternating current motor technical field specifically is a single-phase permanent magnet alternating current motor.

Background

The single-phase permanent magnet alternating current motor has the advantages of simple electromagnetic structure and driving system, no generation of unilateral magnetic pull force, good ventilation channel and the like, and is widely applied to various occasions, the relation between the number of teeth of a stator iron core of the motor and the number of pairs of magnetic poles of a rotor is 2:1, and in order to enable the motor to generate starting torque, the stator iron core of the single-phase permanent magnet alternating current motor needs to use a large side structure and a small side structure, so that the distance between the stator iron core of the motor and rotor magnetic steel is changed at different stator positions.

To the single-phase permanent magnet alternating current motor who uses at present, the single-phase permanent magnet alternating current motor of majority is behind the outage, the pivot can not the gradual stop, need rotate a period just can stop, thereby make single-phase permanent magnet alternating current motor's output shaft equipment still need work, thereby influence the equipment operation, partial single-phase permanent magnet alternating current motor can produce a large amount of heats after long-time work in addition, the motor does not set up relevant heat abstractor, and then influences single-phase permanent magnet alternating current motor's life, it is very inconvenient to use, so a single-phase permanent magnet alternating current motor has been proposed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a single-phase permanent magnet alternating current motor possesses can stall gradually after the outage, advantage such as the radiating effect is good, has solved and can rotate a period, radiating effect subalternation problem after the outage.

(II) technical scheme

Can stop gradually after realizing above-mentioned outage and rotate, the good purpose of radiating effect, the utility model provides a following technical scheme: a single-phase permanent magnet alternating current motor comprises a base, wherein a motor shell is fixedly mounted at the top of the base, end covers are fixedly mounted on the left side and the right side of the motor shell, a fan cover is fixedly mounted on the right side of the end covers, bearings are fixedly mounted in the two end covers, cover plates corresponding to the two end covers are mounted on the left side and the right side of the two bearings, stepped shafts are rotatably connected in the two bearings and the cover plates, fan blades are fixedly mounted on the right side of the outer surface of each stepped shaft and positioned in the fan cover, supporting columns are fixedly mounted on the outer surface of each stepped shaft, rotors are fixedly mounted on the outer surface of each supporting column, sliding rings are fixedly mounted on the outer surface of each stepped shaft and positioned on the right side of the supporting column, lugs are fixedly connected on the left side of each sliding ring, and a contact block corresponding to the slip ring is fixedly arranged on the right side of the inner wall of the motor shell.

Preferably, a male permanent magnet is fixedly mounted on an inner top wall of the motor casing, a female permanent magnet is fixedly mounted on an inner bottom wall of the motor casing, and the lengths of the male permanent magnet and the female permanent magnet are equal to the length of the rotor.

Preferably, the stepped shaft is fixedly connected with the coils through connecting rings, and the number of the connecting rings is two.

Preferably, the outer surface of the projection is fixedly provided with ten contact blocks corresponding to the contact block, the ten contact blocks are rotatably connected with the contact block, and the contact block is an annular contact block.

Preferably, the number of the supporting columns and the number of the rotors are eight, and the eight supporting columns and the eight rotors are symmetrically and uniformly distributed on the outer surface of the stepped shaft.

Preferably, eight heat dissipation holes are formed in the fan cover, the number of the bearings is two, the two bearings are deep groove ball bearings, the number of the cover plates is four, and the four cover plates are matched with the two bearings.

(III) advantageous effects

Compared with the prior art, the utility model provides a single-phase permanent-magnet machine possesses following beneficial effect:

1. this single-phase permanent magnet alternating current motor, through letting single-phase permanent magnet alternating current motor circular telegram the back, the contact piece gets electric, and then let the sliding ring get electric through the contact piece, thereby let the multiunit coil get electric, can produce magnetic field after rotor and multiunit coil circular telegram, can form like one's property with positive permanent magnet and negative permanent magnet's magnetic field mutually and repel each other, the phenomenon that opposite sex attracted, then the rotor will rotate, it rotates to drive the flabellum simultaneously, and then dispel the heat to single-phase permanent magnet alternating current motor, after the outage, the contact piece, sliding ring and multiunit coil gradually cut off the power supply, and the step shaft also can stop rotating gradually at inertial action, can rotate a period after having solved the outage, the radiating effect is poor scheduling.

2. This single-phase permanent magnet alternating current motor fully contacts through contact piece and contact piece for the multiunit coil passes through the sliding ring and cuts off the power supply immediately, thereby lets the step shaft stall gradually, through setting up step shaft and flabellum, makes single-phase permanent magnet alternating current motor start during operation to finish work alright dispel the heat always, thereby has guaranteed the life of single-phase permanent magnet alternating current motor internal component, has solved and can rotate a period, radiating effect subalternation problem after the outage.

Drawings

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

fig. 2 is a right side schematic view of the structure of the present invention.

In the figure: the device comprises a base 1, a contact block 2, a slip ring 3, a fan cover 4, a motor shell 5, an end cover 6, a cover plate 7, a bearing 8, a stepped shaft 9, a plurality of groups of coils 10, a rotor 11, a lug 12, fan blades 13 and a support column 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a single-phase permanent magnet ac motor comprises a base 1, a motor casing 5 is fixedly installed on the top of the base 1, a male permanent magnet is fixedly installed on the inner top wall of the motor casing 5, a female permanent magnet is fixedly installed on the inner bottom wall of the motor casing 5, the lengths of the male permanent magnet and the female permanent magnet are equal to the length of a rotor 11, end covers 6 are fixedly installed on the left side and the right side of the motor casing 5, a fan cover 4 is fixedly installed on the right side of the right side end cover 6, eight heat dissipation holes are formed in the fan cover 4, two bearings 8 are provided, two bearings 8 are deep groove ball bearings, four cover plates 7 are provided, four cover plates 7 are matched with the two bearings 8, the bearings 8 are fixedly installed in the two end covers 6, the cover plates 7 corresponding to the two end covers 6 are installed on the left side and the right side of the two bearings 8, and the cover, the stepped shaft 9 is fixedly connected with a plurality of groups of coils 10 through connecting rings, the number of the connecting rings is two, fan blades 13 are fixedly arranged on the right side of the outer surface of the stepped shaft 9 and are positioned inside the fan housing 4, support columns 14 are fixedly arranged on the outer surface of the stepped shaft 9, the number of the support columns 14 and the number of the rotors 11 are eight, the eight support columns 14 and the eight rotors 11 are symmetrically and uniformly distributed on the outer surface of the stepped shaft 9, the number of the rotors 11 are fixedly arranged on the outer surface of the support columns 14, a sliding ring 3 is fixedly arranged on the outer surface of the stepped shaft 9 and is positioned on the right side of the support columns 14, a convex block 12 is fixedly connected on the left side of the sliding ring 3, contact blocks corresponding to the contact blocks 2 are fixedly arranged on the outer surface of the convex block 12, the number of the contact blocks is ten, the contact blocks are rotatably, and a contact block 2 corresponding to the slip ring 3 is fixedly arranged on the right side of the inner wall of the motor shell 5.

In summary, in the single-phase permanent magnet ac motor, after the single-phase permanent magnet ac motor is energized, the contact block 2 is energized, and the slip ring 3 is energized through the contact block, so that the coils 10 are energized, when the rotor 11 and the coils 10 are energized, a magnetic field is generated, a phenomenon that the magnetic fields of the positive permanent magnet and the negative permanent magnet repel each other and attract each other in the same polarity is formed, then the rotor 11 rotates and drives the fan blades 13 to rotate, and heat dissipation is performed on the single-phase permanent magnet ac motor, when the power is off, the contact block 2, the slip ring 3 and the coils 10 are gradually powered off, the step shaft 9 is also gradually stopped rotating under the inertia effect, the contact block 2 and the contact block are fully contacted, so that the coils 10 are immediately powered off through the slip ring 3, so that the step shaft 9 is gradually stopped rotating, and the step shaft 9 and the fan blades 13 are arranged, so that heat dissipation can be performed all the time when the single-phase permanent magnet ac, thereby guaranteed the life of single-phase permanent-magnet machine internal component, solved and to have rotated a period after the outage, radiating effect subalternation problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single-phase permanent-magnet machine, includes base (1), its characterized in that: the wind power generator is characterized in that a motor shell (5) is fixedly mounted at the top of the base (1), end covers (6) are fixedly mounted on the left side and the right side of the motor shell (5), a wind cover (4) is fixedly mounted on the right side of the end cover (6), bearings (8) are fixedly mounted in the two end covers (6), cover plates (7) corresponding to the two end covers (6) are mounted on the left side and the right side of the two bearings (8), stepped shafts (9) are rotatably connected in the two bearings (8) and the cover plates (7), fan blades (13) are fixedly mounted on the right side of the outer surface of each stepped shaft (9) and positioned in the wind cover (4), supporting columns (14) are fixedly mounted on the outer surface of each stepped shaft (9), rotors (11) are fixedly mounted on the outer surface of each supporting column (14), and sliding rings (3) are fixedly mounted on the right sides of the supporting columns (14), the left side fixedly connected with lug (12) of sliding ring (3), the surface fixed mounting of step shaft (9) has multiunit coil (10) corresponding with support column (14) and lug (12), the inner wall right side fixed mounting of motor casing (5) has contact piece (2) corresponding with sliding ring (3).

2. A single-phase permanent-magnet ac machine according to claim 1, characterized in that: the permanent magnet motor is characterized in that a male permanent magnet is fixedly mounted on the inner top wall of the motor casing (5), a female permanent magnet is fixedly mounted on the inner bottom wall of the motor casing (5), and the lengths of the male permanent magnet and the female permanent magnet are equal to the length of the rotor (11).

3. A single-phase permanent-magnet ac machine according to claim 1, characterized in that: the stepped shaft (9) is fixedly connected with the coils (10) through connecting rings, and the number of the connecting rings is two.

4. A single-phase permanent-magnet ac machine according to claim 1, characterized in that: the outer surface fixed mounting of lug (12) has the contact piece corresponding with contact piece (2), and contact piece ten, ten contact piece and contact piece (2) rotate and are connected, and contact piece (2) are the annular contact piece.

5. A single-phase permanent-magnet ac machine according to claim 1, characterized in that: the number of the supporting columns (14) and the number of the rotors (11) are eight, and the eight supporting columns (14) and the eight rotors (11) are symmetrically and uniformly distributed on the outer surface of the stepped shaft (9).

6. A single-phase permanent-magnet ac machine according to claim 1, characterized in that: eight heat dissipation holes are formed in the fan cover (4), the number of the bearings (8) is two, the two bearings (8) are deep groove ball bearings, the number of the cover plates (7) is four, and the four cover plates (7) are matched with the two bearings (8).