CN111030405B

CN111030405B - Synchronous and asynchronous composite motor device

Info

Publication number: CN111030405B
Application number: CN201911388090.5A
Authority: CN
Inventors: 周胜; 李佩
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2022-05-27
Anticipated expiration: 2039-12-30
Also published as: CN111030405A

Abstract

The invention discloses a synchronous asynchronous composite motor device, which relates to the technical field of electromechanical. It includes a casing, a stator winding, an asynchronous induction rotor, a permanent magnet synchronous rotor, a clutch, an encoder and a buffer ring. The inner side of the casing is fixedly provided with a stator winding, and the interior of the stator winding is provided with an asynchronous induction rotor. The inner side of the asynchronous induction rotor is provided with a permanent magnet synchronous rotor, the casing and the stator winding are fixed together and arranged concentrically with the permanent magnet synchronous rotor and the asynchronous induction rotor, and the output of the permanent magnet synchronous rotor is arranged in the middle axis. The synchronous and asynchronous composite motor device integrates the advantages of asynchronous induction motor and permanent magnet synchronous motor, and can switch between synchronous and asynchronous output modes through the clutch at any time, and can also output in both synchronous and asynchronous modes at the same time, and the rotor is equipped with an encoder The real-time position of both rotors or a specific rotor can be monitored, increasing its usefulness.

Description

Synchronous and asynchronous composite motor device

Technical Field

The invention relates to the technical field of electromechanics, in particular to a synchronous and asynchronous compound motor device.

Background

The mechanical technology is the basis of electromechanical integration, the focus of the mechanical technology lies in how to adapt to the electromechanical integration technology, other high and new technologies are utilized to update concepts, change on structure, material and performance is realized, the requirements of reducing weight, reducing volume, improving precision, improving rigidity and improving performance are met, in the manufacturing process of the electromechanical integration system, a classical mechanical theory and process form a new generation of mechanical manufacturing technology by means of a computer-aided technology and simultaneously adopting artificial intelligence, an expert system and the like, and along with the rapid development of a new energy source industry, the motor technology as power output is increasingly developed. At present, the motor is generally a permanent magnet synchronous motor or an asynchronous motor, and the torque-rotating speed characteristics of the two motors cannot be completely matched with various complex requirements due to the limitation of the characteristics of the two motors, so that the requirements of the existing market are difficult to meet.

The stator windings of the synchronous motor and the asynchronous motor are the same, and the main difference is in the structure of a rotor, and the rotor of the synchronous motor is provided with a direct-current excitation winding, so that an excitation power supply needs to be added externally, and current is introduced through a slip ring; the rotor of the asynchronous motor is a short-circuited winding and generates current by electromagnetic induction.

Due to the characteristics of the motor, the asynchronous motor has higher power output at low rotating speed, and the output power can be obviously reduced at high rotating speed; synchronous machine rotational speed is steady when high rotational speed operation, and is undulant little, but when low rotational speed operation, can produce great torque ripple, leads to the result of use general, is difficult to satisfy market development's needs, and traditional motor is in the use simultaneously, and the output shaft can produce great impact force when transmission torque, influences its life, for this reason, proposes a synchronous asynchronous compound motor device and solves above-mentioned problem.

Disclosure of Invention

Technical problem to be solved

The invention provides a synchronous and asynchronous composite motor device which has the advantages of integrating the advantages of an asynchronous induction motor and a permanent magnet synchronous motor, switching two output modes of synchronous and asynchronous through a clutch at any time, simultaneously outputting in the two output modes of synchronous and asynchronous and being beneficial to prolonging the service life of the motor, and solves the problem that the traditional motor has a common use effect when in use.

(II) technical scheme

In order to realize the purposes of integrating the advantages of an asynchronous induction motor and a permanent magnet synchronous motor, switching two output modes of synchronous and asynchronous through a clutch at any time, simultaneously outputting in two output modes of synchronous and asynchronous and being beneficial to prolonging the service life of the motor, the invention provides the following technical scheme: the utility model provides a synchronous asynchronous compound motor device, includes casing, stator winding, asynchronous induction rotor, permanent magnetism synchronous rotor, clutch, encoder and buffer ring, the inboard of casing is fixed to be provided with stator winding, stator winding's inside is provided with asynchronous induction rotor, asynchronous induction rotor's inboard is provided with permanent magnetism synchronous rotor, the casing with stator winding is fixed together with permanent magnetism synchronous rotor with asynchronous induction rotor arranges with one heart, permanent magnetism synchronous rotor's middle part sets up the output shaft, and the one end of output shaft is provided with motor right side output shaft through the clutch, and the other end of output shaft is provided with motor left side output shaft through the clutch, the outside of motor right side output shaft is provided with the buffer ring.

As a preferred technical solution of the present invention, the clutch is connected with an asynchronous induction rotor and a permanent magnet synchronous rotor.

As a preferred technical scheme of the invention, one side of the machine shell is fixedly provided with a motor base left end cover, the other side of the machine shell is fixedly provided with a motor base right end cover, the interior of the motor base right end cover is fixedly provided with a buffer ring, and the center of the buffer ring is provided with a motor right output shaft.

As a preferable technical scheme, a groove I is formed in the buffer ring, a clamping block is movably arranged in the groove I, buffer springs are movably lapped on two sides of the clamping block, and a right output shaft of a motor is arranged on the inner side of the clamping block.

According to a preferable technical scheme, two sides of the first groove are respectively provided with a second groove, a buffer spring is fixedly arranged inside the second groove, and one side of the buffer spring, which is far away from the second groove, is lapped with a clamping block.

As a preferable technical scheme of the invention, the surface of the buffer ring is provided with four mounting holes, and the four mounting holes are fixedly connected with the right end cover of the motor base through adaptive fixing bolts.

As a preferred technical solution of the present invention, one side of the asynchronous induction rotor is provided with a left output shaft of the motor, and one side of the permanent magnet synchronous rotor is provided with a right output shaft of the motor, that is, each rotor individually corresponds to one output shaft.

As a preferred technical solution of the present invention, encoders are disposed on both sides of the asynchronous induction rotor and the permanent magnet synchronous rotor, and the encoders can monitor the rotational positions of the permanent magnet synchronous rotor and the asynchronous induction rotor in real time.

(III) advantageous effects

Compared with the prior art, the invention provides a synchronous and asynchronous composite motor device, which has the following beneficial effects:

1. the synchronous and asynchronous composite motor device integrates the advantages of an asynchronous induction motor and a permanent magnet synchronous motor, can switch two synchronous and asynchronous output modes through a clutch at any time, and can output in the two synchronous and asynchronous modes at the same time, and the rotor is provided with a coder which can monitor the real-time position of two rotors or a specific rotor, so that the using effect of the synchronous and asynchronous composite motor device is improved.

2. This synchronous asynchronous compound motor device, through setting up buffer spring, set up some recess two in the both sides side of recess one, and install buffer spring in the recess two, work as joint piece cooperation buffer spring, can carry out certain buffering to transmission torque, effectively reduce the impact of motor right side output shaft rigidity, consequently have long service life, and can bear the purpose of the moment of torsion of great impact, utilize the life of extension motor.

Drawings

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

FIG. 2 is a side view of a permanent magnet synchronous rotor structure of the present invention;

figure 3 is a side view of a bumper ring structure of the present invention.

In the figure: 1. a housing; 2. a stator winding; 3. an asynchronous induction rotor; 4. a permanent magnet synchronous rotor; 5. a clutch; 6. an encoder; 7. a left output shaft of the motor; 8. a motor base left end cover; 9. a motor base right end cover; 10. a right output shaft of the motor; 11. a buffer ring; 111. a first groove; 112. a clamping block; 113. a buffer spring; 114. a second groove; 115. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention discloses a synchronous and asynchronous compound motor device, which comprises a casing 1, a stator winding 2, an asynchronous induction rotor 3, a permanent magnet synchronous rotor 4, a clutch 5, an encoder 6 and a buffer ring 11, a stator winding 2 is fixedly arranged on the inner side of the casing 1, an asynchronous induction rotor 3 is arranged inside the stator winding 2, a permanent magnet synchronous rotor 4 is arranged on the inner side of the asynchronous induction rotor 3, the casing 1 and the stator winding 2 are fixed together and are concentrically arranged with the permanent magnet synchronous rotor 4 and the asynchronous induction rotor 3, an output shaft is arranged in the middle of the permanent magnet synchronous rotor 4, and one end of the output shaft is provided with a motor right output shaft 10 through the clutch 5, the other end of the output shaft is provided with a motor left output shaft 7 through the clutch 5, and the outer side of the motor right output shaft 10 is provided with a buffer ring 11.

Specifically, the clutch 5 is connected with an asynchronous induction rotor 3 and a permanent magnet synchronous rotor 4, and is used for controlling the output mode of a left output shaft 7 of the motor, and the left output shaft 7 of the motor outputs asynchronously under the condition that the clutch 5 is separated; after the clutch 5 is connected, the asynchronous induction rotor 3 and the permanent magnet synchronous rotor 4 are connected together to rotate in a synchronous mode, and the left output shaft 7 of the motor outputs in a synchronous mode.

Specifically, the motor is not provided with the motor right output shaft 10, when the clutch 5 is separated, the permanent magnet synchronous rotor 4 does not output in an idle running mode, the motor left output shaft 7 outputs in an asynchronous mode, and when the clutch 5 is connected, the motor left output shaft 7 outputs in a synchronous mode.

Specifically, on the basis of the principle of the present patent, the relationship between the inner and outer rings of the stator winding 2, the asynchronous induction rotor 3 and the permanent magnet synchronous rotor 4 is not limited, for example, in the patent figure, the stator winding 2 is at the outermost ring, the asynchronous induction rotor 3 is in the middle, and the permanent magnet synchronous rotor 4 is at the innermost ring; when the asynchronous induction rotor 3 is at the innermost ring, the permanent magnet synchronous rotor 4 is in the middle or the asynchronous induction rotor 3 and the permanent magnet synchronous rotor 4 are outside, and the stator winding 2 is at the innermost ring, which belongs to the protection scope of the technical scheme.

Specifically, a motor base left end cover 8 is fixedly arranged on one side of the machine shell 1, a motor base right end cover 9 is fixedly arranged on the other side of the machine shell 1, a buffer ring 11 is fixedly arranged in the motor base right end cover 9, a motor right output shaft 10 is arranged at the center of the buffer ring 11, a first groove 111 is formed in the buffer ring 11, a clamping block 112 is movably arranged in the first groove 111, buffer springs 113 are movably lapped on two sides of the clamping block 112, the motor right output shaft 10 is arranged on the inner side of the clamping block 112, a second groove 114 is formed in two sides of the first groove 111, the buffer springs 113 are fixedly arranged in the second groove 114, the clamping block 112 is lapped on one side of the buffer springs 113 far away from the second groove 114, mounting holes 115 are formed in the surface of the buffer ring 11, and four mounting holes 115 are arranged in the mounting holes 115, four mounting hole 115 is through the fixing bolt of adaptation and motor cabinet right-hand member lid 9 fixed connection, sets up some recess two 114 in the both sides side of recess one 111, and installs buffer spring 113 in recess two 114, works as joint piece 112 cooperation buffer spring 113, can carry out certain buffering to transmission torque, effectively reduces motor right output shaft 10 rigid impact, consequently has long service life, and can bear the purpose of the moment of torsion of great impact, utilizes the life of extension motor.

Specifically, a motor left output shaft 7 is arranged on one side of the asynchronous induction rotor 3, and a motor right output shaft 10 is arranged on one side of the permanent magnet synchronous rotor 4, namely, each rotor corresponds to one output shaft independently.

Specifically, encoders 6 are arranged on two sides of the asynchronous induction rotor 3 and the permanent magnet synchronous rotor 4, and the encoders 6 can monitor the rotating positions of the permanent magnet synchronous rotor 4 and the asynchronous induction rotor 3 in real time.

The working principle and the using process of the invention are as follows: when the motor is used, the shell 1 and the stator winding 2 are fixed together and are concentrically arranged with the permanent magnet synchronous rotor 4 and the asynchronous induction rotor 3, the permanent magnet synchronous rotor 4 is connected with a right output shaft 10 of the motor, the asynchronous induction rotor 3 is connected with a left output shaft 7 of the motor, when the motor works, the left output shaft 7 of the motor outputs rotating speed in an asynchronous mode, the right output shaft 10 of the motor outputs rotating speed in a synchronous mode, or the right output shaft can be cancelled, the clutch 5 is adopted to connect the two rotors, and when the clutch 5 is separated, the left output shaft 7 of the motor outputs rotating speed in an asynchronous mode; when the clutch 5 is combined, the two rotors run synchronously, and the left output shaft 7 of the motor outputs the rotating speed in a synchronous mode.

In conclusion, the synchronous and asynchronous composite motor device integrates the advantages of an asynchronous induction motor and a permanent magnet synchronous motor, can switch two output modes of synchronous and asynchronous at any time through a clutch 5, and can output in two output modes of synchronous and asynchronous at the same time, and an encoder 6 is arranged on a rotor to monitor the real-time position of two rotors or a specific rotor, so that the using effect of the synchronous and asynchronous composite motor device is improved; through setting up buffer spring 113, set up some recess two 114 in the both sides side of recess one 111, and install buffer spring 113 in the recess two 114, work as joint piece 112 cooperation buffer spring 113, can carry out certain buffering to transmission torque, effectively reduce the rigid impact of motor right side output shaft 10, consequently have long service life, and can bear the purpose of the moment of torsion of great impact, utilize the life of extension motor.

It should be noted that, in this document, terms such as "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. A synchronous asynchronous composite motor device, comprising a casing (1), a stator winding (2), an asynchronous induction rotor (3), a permanent magnet synchronous rotor (4), a clutch (5), an encoder (6) and a buffer The ring (11) is characterized in that a stator winding (2) is fixedly arranged inside the casing (1), an asynchronous induction rotor (3) is arranged inside the stator winding (2), and the asynchronous induction rotor The inner side of (3) is provided with a permanent magnet synchronous rotor (4), the casing (1) and the stator winding (2) are fixed together with the permanent magnet synchronous rotor (4) and the asynchronous induction rotor ( 3) Concentric arrangement, the middle part of the permanent magnet synchronous rotor (4) is provided with an output shaft, and one end of the output shaft is provided with a right output shaft (10) of the motor through the clutch (5), and the other end of the output shaft passes through the clutch (5) The motor left output shaft (7) is provided, the outer side of the motor right output shaft (10) is provided with a buffer ring (11), and one side of the asynchronous induction rotor (3) is provided with the motor left output shaft (7), One side of the permanent magnet synchronous rotor (4) is provided with a right output shaft (10) of the motor, that is, each rotor individually corresponds to an output shaft, and the asynchronous induction rotor (3) and the permanent magnet synchronous rotor (4) have two output shafts. Encoders (6) are provided on both sides, and the encoders (6) can monitor the rotation positions of the permanent magnet synchronous rotor (4) and the asynchronous induction rotor (3) in real time.

2 . The synchronous asynchronous composite motor device according to claim 1 , wherein the clutch ( 5 ) is connected with an asynchronous induction rotor ( 3 ) and a permanent magnet synchronous rotor ( 4 ). 3 .

3. A synchronous asynchronous composite motor device according to claim 1, characterized in that: one side of the casing (1) is fixedly provided with a left end cover (8) of the motor seat, and the The other side is fixedly provided with the right end cover (9) of the motor seat, the inside of the right end cover (9) of the motor seat is fixedly provided with a buffer ring (11), and the center of the buffer ring (11) is provided with the right output of the motor shaft (10).

4 . The synchronous asynchronous composite motor device according to claim 3 , wherein the buffer ring ( 11 ) is provided with a groove 1 ( 111 ) inside, and the inner groove of the groove 1 ( 111 ) is movable. 5 . A clamping block (112) is provided, both sides of the clamping block (112) are movably overlapped with buffer springs (113), and the inner side of the clamping block (112) is provided with a motor right output shaft (10) .

5. A synchronous asynchronous composite motor device according to claim 4, characterized in that: groove two (114) are provided on both sides of the first groove (111), and the second groove (114) A buffer spring (113) is fixedly arranged inside the buffer spring (113), and a clamping block (112) is overlapped on the side of the buffer spring (113) away from the second groove (114).

6 . The synchronous asynchronous composite motor device according to claim 4 , wherein the surface of the buffer ring ( 11 ) is provided with mounting holes ( 115 ), and the mounting holes ( 115 ) are provided with four, 6 . The four mounting holes (115) are fixedly connected to the right end cover (9) of the motor base through suitable fixing bolts.