CN216312846U - Double-stator permanent magnet synchronous motor - Google Patents

Abstract

The utility model discloses a double-stator permanent magnet synchronous motor, which comprises: the motor comprises a motor shell, a base is arranged at the bottom of the motor shell, a stabilizing frame is arranged on the outer side of the motor shell, the bottom of the stabilizing frame is fixedly arranged on the upper surface of the base, and the bottom of the base is fixedly arranged on the upper surface of a carrier plate; the motor shell is installed above the damping device, and a first damping structure and a second damping structure are installed inside the damping device respectively. This two stator PMSM, first shock-absorbing structure and second shock-absorbing structure simultaneous working to take place to warp through its inside damping spring, absorb and offset the vibrations that the motor produced at the during operation, realize the purpose that improves the stability of motor during operation, also can improve the life of motor simultaneously, reduce because the compactness of vibrations reason to motor end cover and motor housing assembly has led to the fact the influence.

Description

A double stator permanent magnet synchronous motor

technical field

The utility model relates to the field of permanent magnet synchronous motors, in particular to a double stator permanent magnet synchronous motor.

Background technique

In order to achieve high-efficiency operation of the motor, a high-efficiency area is set in it; the high-efficiency area is the area with high motor efficiency. The high-efficiency area of the traditional motor has only one continuous area. The setting of the existing motor high-efficiency area cannot fully meet the high-efficiency area requirements of various road conditions of the vehicle. ; In the prior art, the motor efficiency is improved by setting the structure of double stator windings in the motor.

After searching, the patent with the publication number of CN205666741U discloses a hybrid magnetic circuit double stator weak magnetic expansion solid rotor permanent magnet synchronous motor, which proposes "comprising a radial stator, an axial stator and a rotor, and the rotor is a solid rotor, so the Permanent magnets are placed in the rotor to generate radial magnetic poles and axial magnetic poles. A part of the magnetic flux generated by the permanent magnets enters the radial stator through the radial magnetic poles and interlinks with the radial armature windings to form the radial main magnetic flux. The other part of the magnetic flux generated by the magnet enters the axial stator through the axial magnetic pole and is interlinked with the axial armature winding to form the axial main magnetic flux, and the radial main magnetic flux is connected in parallel with the axial main magnetic flux; "Dual stator permanent magnet synchronous motor When working, vibration is generated, which will cause wear of the device and reduce the tightness of the assembly. After the motor end cover and the motor casing are installed, the vibration caused by the rotation of the motor causes the tightness of the assembly of the motor end cover and the motor casing. Influence, while reducing the reliability of motor use.

In view of this, in-depth research on the above issues led to this case.

Utility model content

The purpose of the present invention is to provide a double-stator permanent magnet synchronous motor to solve the defects mentioned in the above background art.

In order to achieve the above purpose, a dual-stator permanent magnet synchronous motor is provided, including:

a motor casing, the bottom of the motor casing is installed with a base, and the outer side of the motor casing is installed with a stabilizer frame, and the bottom of the stabilizer frame is fixedly arranged on the upper surface of the frame, and the bottom of the frame is fixedly arranged on the upper surface of the carrier board;

A shock absorbing device, a motor casing is installed above the shock absorbing device, a first shock absorbing structure and a second shock absorbing structure are respectively installed inside the shock absorbing device, and a bottom plate is installed in the middle of the bottom of the carrier plate of the shock absorbing device. .

Preferably, the stabilizer is an "L"-shaped structure made of metal material, and the stabilizer is arranged in two groups symmetrically distributed on both sides of the motor casing.

Preferably, the shock absorbing device is composed of four parts: a carrier plate, a shock absorbing frame, a first shock absorbing structure and a second shock absorbing structure, and the upper side of the carrier plate inside the shock absorbing frame is a lifting structure.

Preferably, guide posts are fixed on both sides of the bottom of the carrier plate, and the lower ends of the guide posts pass through the guide holes opened on the mounting plate and are fixedly arranged with the limiting pieces, and the guide posts are sleeved with external shock-absorbing springs.

Preferably, the first shock absorbing structure includes a guide post, an outer shock absorbing spring, a mounting plate and a limit piece, and the mounting plates are arranged in two groups to be fixedly installed on both sides of the surface of the fixing plate, and the mounting plates are made of metal "L" shaped structure made of material.

Preferably, the second shock absorbing structure includes a bottom plate, a connecting bar, a pressing plate, an inner shock-absorbing spring, a positioning frame, a positioning column and a fixing plate, and the bottom of the bottom plate is connected to the upper surface of the pressing plate through two sets of connecting bars Fixed settings.

Preferably, positioning columns are installed on both sides of the bottom of the bottom plate, and the ends of the positioning columns are arranged through the positioning holes opened on the upper surface of the positioning frame, and the bottom of the positioning frame is installed above the fixed plate, and the surface of the fixed plate is installed There is an inner shock-absorbing spring, and one end of the inner shock-absorbing spring away from the fixing plate is fixedly arranged with the lower surface of the pressing plate.

Compared with the prior art, the beneficial effect of the utility model is: when the motor is working, the vibration generated by the motor is transmitted to the shock absorbing device through the base, and the shock absorbing device is provided with a first shock absorbing structure and a second shock absorbing structure. Structure, the first shock absorbing structure and the second shock absorbing structure work at the same time, and the shock absorber spring is deformed to absorb and offset the vibration generated by the motor during operation, so as to achieve the purpose of improving the stability of the motor during operation. At the same time, it can also improve the service life of the motor and reduce the impact on the tightness of the assembly of the motor end cover and the motor casing due to vibration.

Description of drawings

Fig. 1 is the front view schematic diagram of the structure of the utility model;

Fig. 2 is the side sectional view of the utility model structure Fig. 1;

3 is a three-dimensional view of a structural stabilizer, a machine base and a shock absorbing device of the present invention;

Fig. 4 is the top view of the structural frame and the shock-absorbing frame of the utility model;

5 is a top view of the structural carrier plate and the shock-absorbing frame of the present invention;

Fig. 6 is the top view of the structure of the utility model structure squeezed plate connection;

7 is a three-dimensional diagram of a structural positioning frame of the present invention;

FIG. 8 is a side view of the structural positioning frame of the present invention.

Numerals in the figure: 1, motor casing; 2, stabilizer; 3, machine base; 4, shock absorber; 40, carrier plate; 41, shock absorber frame; 42, first shock absorber structure; 421, guide column; 422 423, the mounting plate; 424, the limit piece; 43, the second shock absorption structure; 431, the bottom plate; 432, the connecting strip; 433, the extrusion plate; 434, the inner shock absorption spring; frame; 436, positioning column; 437, fixing plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-8, the present invention provides a dual-stator permanent magnet synchronous motor, comprising: a motor casing 1 and a shock absorbing device 4;

A base 3 is installed on the bottom of the motor casing 1, and a stabilizer 2 is installed on the outer side of the motor casing 1. At the same time, the bottom of the stabilizer 2 is fixed on the upper surface of the base 3, and the bottom of the base 3 is fixed on the carrier plate 40. upper surface;

The motor housing 1 is installed above the shock absorbing device 4 , and a first shock absorbing structure 42 and a second shock absorbing structure 43 are respectively installed inside the shock absorbing device 4 , and a bottom middle position of the carrier plate 40 of the shock absorbing device 4 is installed at the same time. Bottom plate 431 .

When the motor is working, the vibration generated by the motor is transmitted to the shock absorbing device 4 through the base 3. The shock absorbing device 4 is provided with a first shock absorbing structure 42 and a second shock absorbing structure 43. The first shock absorbing structure 42 and the first shock absorbing structure The two damping structures 43 work at the same time, and are deformed by the internal damping spring to absorb and offset the vibration generated by the motor during operation, so as to achieve the purpose of improving the stability of the motor during operation, and at the same time, it can also improve the use of the motor. life, and reduce the tightness of the motor end cover and the motor casing assembly due to vibration.

As a preferred embodiment, the stabilizer 2 is an "L"-shaped structure made of metal material, and the stabilizer 2 is arranged in two groups symmetrically distributed on both sides of the motor casing 1 .

As shown in Figure 1-2: two sets of stabilizers 2 are arranged on both sides of the motor housing 1, the bottom of the stabilizer 2 is fixed on the base 3, and the setting of the stabilizer 2 can strengthen and strengthen the motor housing 1. At the same time, the vibration generated by the operation of the motor can also be transmitted to the base 3 through the stabilizer frame 2, and then transmitted by the base 3 to the damping device 4, and the damping device 4 performs the damping work.

As a preferred embodiment, the shock absorbing device 4 is composed of four parts: a carrier plate 40 , a shock absorbing frame 41 , a first shock absorbing structure 42 and a second shock absorbing structure 43 , and the carrier plate 40 is located in the shock absorbing frame 41 . The inner upper side is a lifting structure.

As shown in Figure 2: The setting of the shock absorber 4 can dampen the motor when it is working. The shock absorber 4 is installed on both sides of the shock absorber 4 with screw plates, which are fixed and set at the target position through the screw plates. .

As a preferred embodiment, guide posts 421 are fixed on both sides of the bottom of the carrier plate 40 , and the lower ends of the guide posts 421 are fixedly arranged through the guide holes opened on the mounting plate 423 and the limiting pieces 424 . An outer shock absorbing spring 422 is sleeved on 421 .

As shown in FIG. 2 , the working mode of the first shock absorbing structure 42 is as follows: the carrier plate 40 vibrates, and the four groups of guide columns 421 at the bottom of the first shock absorbing structure 42 are inserted into the guide holes provided on the mounting plate 423 , and the guide columns 421 and the guide holes are inserted between the guide columns 421 and the guide holes. There is friction, and under the shock absorption action of the outer shock absorber spring 422, the same effect as the damping shock seat is achieved.

As a preferred embodiment, the first shock absorbing structure 42 includes a guide column 421 , an outer shock absorbing spring 422 , a mounting plate 423 and a limiting piece 424 , and the mounting plate 423 is provided as two sets of fixedly mounted on the fixing plate 437 . Above both sides of the surface, the mounting plate 423 is an "L"-shaped structure made of metal material.

As a preferred embodiment, the second damping structure 43 includes a bottom plate 431 , a connecting bar 432 , a pressing plate 433 , an inner damping spring 434 , a positioning frame 435 , a positioning column 436 and a fixing plate 437 , and the bottom plate 431 has a The bottom is fixedly arranged with the upper surface of the pressing plate 433 through two sets of connecting bars 432 .

As shown in FIG. 2 : the working mode of the second shock absorbing structure 43 is as follows: the carrier plate 40 generates vibration through the bottom plate 431 to drive the connecting bar 432 and the pressing plate 433 to vibrate, and the pressing plate 433 has an inner shock-absorbing spring 434 at its bottom. When pressed down, the inner damping spring 434 is deformed, and the vibration generated by the carrier plate 40 is subjected to a secondary damping operation.

As a preferred embodiment, positioning columns 436 are installed on both sides of the bottom of the bottom plate 431 , and the ends of the positioning columns 436 are arranged through the positioning holes opened on the upper surface of the positioning frame 435 , and the bottom of the positioning frame 435 is installed on the fixed Above the plate 437 , an inner damping spring 434 is installed on the surface of the fixing plate 437 .

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

Claims (7)

1. a double stator permanent magnet synchronous motor, is characterized in that, comprises: A motor housing (1), a base (3) is mounted on the bottom of the motor housing (1), a stabilizer (2) is mounted on the outer side of the motor housing (1), and the bottom of the stabilizer (2) is fixedly arranged on the machine the upper surface of the base (3), and the bottom of the base (3) is fixedly arranged on the upper surface of the carrier plate (40); A shock absorbing device (4), a motor housing (1) is installed above the shock absorbing device (4), and a first shock absorbing structure (42) and a second shock absorbing structure are respectively installed inside the shock absorbing device (4) The structure (43) is provided, and a bottom plate (431) is installed at the middle position of the bottom of the carrier plate (40) of the shock absorbing device (4). 2. A dual-stator permanent magnet synchronous motor according to claim 1, characterized in that: the stabilizer (2) is an "L"-shaped structure made of metal material, and the stabilizer (2) is set to The two groups are symmetrically distributed on both sides of the motor casing (1). 3 . The double-stator permanent magnet synchronous motor according to claim 1 , wherein the damping device ( 4 ) is composed of a carrier plate ( 40 ), a damping frame ( 41 ), and a first damping structure. 4 . (42) and the second shock-absorbing structure (43) are composed of four parts, and the carrier plate (40) is a lifting structure on the inner upper side of the shock-absorbing frame (41). 4. A dual-stator permanent magnet synchronous motor according to claim 3, characterized in that: both sides of the bottom of the carrier plate (40) are fixedly provided with guide columns (421), and the guide columns (421) are The lower end passes through the guide hole opened on the mounting plate (423) and is fixedly arranged with the limiting piece (424), and an outer shock-absorbing spring (422) is sleeved on the guide post (421). 5 . The dual-stator permanent magnet synchronous motor according to claim 3 , wherein the first shock absorbing structure ( 42 ) comprises a guide column ( 421 ), an outer shock absorbing spring ( 422 ), a mounting plate ( 5 . 423) and the limit piece (424), and the mounting plate (423) is set as two sets of fixed installation on both sides of the surface of the fixing plate (437), and the mounting plate (423) is made of metal material "L" shape structure. 6 . The dual-stator permanent magnet synchronous motor according to claim 3 , wherein the second shock absorbing structure ( 43 ) comprises a bottom plate ( 431 ), a connecting bar ( 432 ), and a pressing plate ( 433 ). 7 . , the inner shock-absorbing spring (434), the positioning frame (435), the positioning column (436) and the fixing plate (437), and the bottom of the bottom plate (431) is connected to the pressing plate (433) through two sets of connecting bars (432) Fixed settings on top surface. 7 . The dual-stator permanent magnet synchronous motor according to claim 6 , wherein positioning columns ( 436 ) are installed on both sides of the bottom of the bottom plate ( 431 ), and the ends of the positioning columns ( 436 ). The positioning holes are arranged through the positioning holes opened on the upper surface of the positioning frame (435), and the bottom of the positioning frame (435) is installed above the fixing plate (437). One end of the shock-absorbing spring (434) away from the fixing plate (437) is fixedly arranged on the lower surface of the pressing plate (433).

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