CN217307366U

CN217307366U - Permanent magnet auxiliary synchronous reluctance type motor rotor structure

Info

Publication number: CN217307366U
Application number: CN202220781932.4U
Authority: CN
Inventors: 赵建军
Original assignee: Jiangsu Huima Technology Co ltd
Current assignee: Jiangsu Huima Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-26
Anticipated expiration: 2032-04-06

Abstract

The utility model provides a synchronous reluctance type's electric motor rotor structure is assisted to permanent magnetism, relate to electric motor rotor technical field, including the rotor shaft, the outside cover of rotor shaft is equipped with a plurality of rotor core, the inboard of rotor core is seted up flutedly, one side fixed mounting of rotor shaft has the card strip, block each other between card strip and the recess, a plurality of arcs have been seted up to rotor core's up end axial symmetry, the magnetic stripe is all installed to the inside both sides of a plurality of arcs, all be equipped with stop gear between a pair of magnetic stripe, stop gear includes first limiting plate and second limiting plate, inside one side of arc is equipped with first limiting plate, the inside opposite side of arc is equipped with the second limiting plate, the traveller is all installed at the inboard upper and lower both ends of first limiting plate and second limiting plate, slidable mounting has the connecting block between the traveller, it is equipped with the connecting axle to rotate to insert between a pair of connecting block. The utility model discloses a, can effectively improve the limiting displacement to magnet among the electric motor rotor, have higher practical value.

Description

Permanent magnet auxiliary synchronous reluctance type motor rotor structure

Technical Field

The utility model belongs to the technical field of electric motor rotor, more specifically say, in particular to synchronous reluctance type's electric motor rotor structure is assisted to permanent magnetism.

Background

The permanent magnet auxiliary synchronous reluctance motor integrates the characteristics of a synchronous reluctance motor and a permanent magnet motor, can reduce the requirement on the performance of the permanent magnet, has the advantages of high power density, high efficiency, low cost and the like, has wide application prospect, and can be popularized and applied to the fields of air conditioners, mechanical equipment, new energy electric vehicles and the like.

Based on the above, the present inventors found that the following problems exist: the magnet arranged in the rotor of the existing permanent magnet auxiliary synchronous reluctance type motor is easy to loosen when the rotor rotates at high strength, so that the rotating speed of the motor is influenced.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a permanent magnet-assisted synchronous reluctance motor rotor structure is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a synchronous reluctance type's electric motor rotor structure is assisted to permanent magnetism to solve present electric motor rotor in the easy not hard up problem of magnet at rotatory in-process.

The utility model discloses the purpose and the efficiency of synchronous reluctance type's electric motor rotor structure are assisted to permanent magnetism, are reached by following specific technological means:

the utility model provides a synchronous reluctance type's electric motor rotor structure is assisted to permanent magnetism, includes the rotor shaft, the outside cover of rotor shaft is equipped with a plurality of rotor core, rotor core's inboard is seted up flutedly, one side fixed mounting of rotor shaft has the card strip, block each other between card strip and the recess, a plurality of arcs have been seted up to rotor core's up end axial symmetry, and is a plurality of the magnetic stripe is all installed, and is a pair of to the inside both sides of arc all be equipped with stop gear between the magnetic stripe.

Furthermore, stop gear includes first limiting plate and second limiting plate, inside one side of arc wall is equipped with first limiting plate, the inside opposite side of arc wall is equipped with the second limiting plate, the traveller is all installed at both ends about the inboard of first limiting plate and second limiting plate.

Furthermore, connecting blocks are slidably mounted between the sliding columns, a connecting shaft is rotatably inserted between the connecting blocks, and a plurality of bearing sleeves are sleeved on the connecting shaft.

Furthermore, the upper end and the lower end of the connecting shaft are both sleeved with threaded columns, and the threaded columns are in threaded connection with the connecting blocks.

Furthermore, the first limiting plate and the second limiting plate are fixedly mounted on one side close to the sliding column, and connecting rods are mounted inside the mounting seat through shaft pins.

Furthermore, the other end of the connecting rod is hinged with the bearing sleeve through a shaft pin.

Furthermore, a plurality of riveting interfaces are arranged on the upper end surface of the rotor core in an axisymmetrical manner on one side close to the arc-shaped groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. according to the permanent magnet auxiliary synchronous reluctance type motor rotor structure, the rotor core is provided with the arc-shaped grooves, and the magnets are arranged on two sides inside the rotor core, so that a magnetic field enters a low reluctance state, a larger metal area of the magnetic field passes through the magnetic field, and the rotor tends to keep the low reluctance state, so that a magnetic field rotating stator rotates along with the magnetic field rotating stator, torque is generated, and the interaction between the magnetic field of the permanent magnet and a stator coil is reduced by utilizing the magnetic strips arranged inside the rotor core, so that the rotating speed of a motor is increased;

2. the permanent magnet-assisted synchronous reluctance type motor rotor structure has the advantages that the position of a magnetic stripe is convenient to limit and fix by installing the limiting mechanism, so that the magnetic stripe is prevented from displacing when rotating, the inside of the limiting mechanism is matched with the installation seat, the connecting rod, the bearing sleeve, the connecting shaft, the sliding rod and the connecting block for use, so that a user can move up and down by virtue of the threaded column and the connecting block in a threaded connection manner when rotating the connecting shaft, the bearing sleeve sleeved outside the connecting shaft is lifted or lowered, the first limiting plate and the second limiting plate are pulled to contract or expand by the connecting rod hinged to two sides, and the limiting mechanism is placed between the magnetic stripes on two sides to limit the magnetic stripe by the user; the utility model has the advantages of simple and reasonable structure, the modern design, easy operation is convenient, can effectively improve the limiting displacement to magnet among the electric motor rotor, has higher practical value.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic perspective view of the rotor core of the present invention.

Fig. 3 is a schematic side sectional view of a limiting mechanism according to the present invention.

Fig. 4 is an enlarged schematic view of the structure a in fig. 1 of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a rotor core; 2. a rotor shaft; 3. an arc-shaped slot; 4. a magnetic strip; 5. clamping the strip; 6. riveting an interface; 7. a groove; 8. a limiting mechanism; 9. a first limit plate; 10. a second limiting plate; 11. a connecting shaft; 12. a mounting seat; 13. a connecting rod; 14. a bearing housing; 15. connecting blocks; 16. a traveler; 17. a threaded post.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a permanent-magnet-assisted synchronous reluctance type motor rotor structure, which comprises a rotor shaft 2, wherein a plurality of rotor cores 1 are sleeved outside the rotor shaft 2, a groove 7 is arranged inside the rotor cores 1, a clamping strip 5 is fixedly arranged on one side of the rotor shaft 2, the clamping strip 5 and the groove 7 are mutually clamped, the rotor cores 1 are conveniently and quickly installed on the rotor shaft 2 by a user through the mutual clamping between the groove 7 and the clamping strip 5, a plurality of arc-shaped grooves 3 are axially symmetrically arranged on the upper end surface of the rotor cores 1, a magnetic field enters a low magnetic resistance state through the arrangement of the arc-shaped grooves 3, the magnetic field has a larger metal area to pass through, the rotor tends to keep the low magnetic resistance state, therefore, a magnetic field rotating stator can rotate along with the rotor to generate torque, and magnetic stripes 4 are arranged on two inner sides of the arc-shaped grooves 3, through installation magnetic stripe 4, reduce the interact of permanent magnet magnetic field and stator coil, it is a pair of all be equipped with stop gear 8 between the magnetic stripe 4, through installation stop gear 8, be convenient for carry on spacingly and fixed to the position of magnetic stripe 4, and then prevent that magnetic stripe 4 from producing the displacement in the pivoted.

Wherein, stop gear 8 includes first limiting plate 9 and second limiting plate 10, inside one side of arc wall 3 is equipped with first limiting plate 9, the inside opposite side of arc wall 3 is equipped with second limiting plate 10, traveller 16 is all installed at both ends about the inboard of first limiting plate 9 and second limiting plate 10, through installation traveller 16, carries on spacingly to the shift position of first limiting plate 9 and second limiting plate 10.

Wherein, slidable mounting has connecting block 15 between the traveller 16, and a pair of it is equipped with connecting axle 11 to rotate to insert between connecting block 15, the cover is equipped with a plurality of bearing housing 14 on connecting axle 11, inserts through rotating and establishes connecting axle 11 for the user is when rotating connecting axle 11, makes connecting axle 11 reciprocate, and then makes bearing housing 14 reciprocate.

Wherein, the upper and lower both ends of connecting axle 11 all are equipped with screw thread post 17, just threaded connection between screw thread post 17 and the connecting block 15, through with threaded connection between screw thread post 17 and the connecting block 15, when being convenient for connecting axle 11 to rotate, connecting axle 11 reciprocated.

Wherein, first limiting plate 9 and second limiting plate 10 all fixed mounting have mount pad 12 in the one side that is close to traveller 16, connecting rod 13 is all installed through the pivot in the inside of mount pad 12, installs connecting rod 13 inside mount pad 12 through the pivot, and the connecting rod 12 of being convenient for removes.

Wherein, the other end of connecting rod 13 all is articulated through pivot and bearing housing 14, and is articulated through passing through pivot and bearing housing 14 with the one end of connecting rod 13 for bearing housing 14 can drive the first stopper 9 of both sides and second stopper 10 when rising, contracts and expandes, and then carries on spacingly to magnetic stripe 4.

Wherein, a plurality of riveting interfaces 6 have been seted up to rotor core 1 up end in one side axisymmetric near arc wall 3, rivet interface 6 through seting up, be convenient for fix a plurality of rotor core 1.

The specific use mode and function of the embodiment are as follows:

when the product is used, whether each mechanism in the rotor structure of the permanent magnet auxiliary synchronous reluctance type motor is complete or not is checked firstly, then the rotor core is arranged on the rotor shaft 2, the rotor core 1 is fixed through the rivet joint 6, then the magnetic strips 4 are arranged in the arc-shaped grooves 3 arranged on the rotor core 1, the limiting mechanism 8 is clamped between the magnetic strips 4 at the two sides to fix the magnetic strips, in the rotor structure of the permanent magnet auxiliary synchronous reluctance type motor, when a user rotates the connecting shaft 11, since the threaded column 17 is threadedly coupled with the connecting block 15, so that the connecting shaft 11 can move up and down, and then make the bearing housing 14 of suit in the connecting axle 11 outside rise or descend, utilize the articulated connecting rod 13 in both sides to stimulate first limiting plate 9 and the shrink of second limiting plate 10 or expand, and then convenient to use person puts spacing mechanism 8 in the middle of placing both sides magnetic stripe 4 and carries on spacingly to it.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a motor rotor structure of synchronous reluctance type is assisted to permanent magnetism, includes rotor shaft (2), its characterized in that: the outside cover of rotor shaft (2) is equipped with a plurality of rotor core (1), recess (7) are seted up to the inboard of rotor core (1), one side fixed mounting of rotor shaft (2) has card strip (5), block each other between card strip (5) and recess (7), a plurality of arcs wall (3) have been seted up to the up end axial symmetry of rotor core (1), and is a plurality of magnetic stripe (4) are all installed, and are a pair of magnetic stripe (4) all are equipped with stop gear (8) between magnetic stripe (4).

2. The structure of a rotor for a permanent-magnet-assisted synchronous reluctance-type motor according to claim 1, wherein: stop gear (8) include first limiting plate (9) and second limiting plate (10), inside one side of arc wall (3) is equipped with first limiting plate (9), the inside opposite side of arc wall (3) is equipped with second limiting plate (10), traveller (16) are all installed at both ends about the inboard of first limiting plate (9) and second limiting plate (10).

3. The structure of a rotor for a permanent-magnet-assisted synchronous reluctance type motor according to claim 2, wherein: the sliding connection structure is characterized in that connecting blocks (15) are slidably mounted between the sliding columns (16) on two sides, a connecting shaft (11) is rotatably inserted between the connecting blocks (15), and a plurality of bearing sleeves (14) are sleeved on the connecting shaft (11).

4. The structure of a rotor of a permanent-magnet-assisted synchronous reluctance type motor as claimed in claim 3, wherein: the upper end and the lower end of the connecting shaft (11) are both sleeved with threaded columns (17), and the threaded columns (17) are in threaded connection with the connecting blocks (15).

5. The structure of a rotor for a permanent-magnet-assisted synchronous reluctance type motor according to claim 4, wherein: first limiting plate (9) and second limiting plate (10) are being close to equal fixed mounting in one side of traveller (16) have mount pad (12), connecting rod (13) are all installed through the pivot in the inside of mount pad (12).

6. The structure of a rotor for a permanent-magnet-assisted synchronous reluctance type motor according to claim 5, wherein: the other ends of the connecting rods (13) on the two sides are hinged with the bearing sleeve (14) through shaft pins.

7. The structure of a rotor for a permanent-magnet-assisted synchronous reluctance-type motor according to claim 1, wherein: a plurality of riveting interfaces (6) are axially symmetrically arranged on one side, close to the arc-shaped groove (3), of the upper end face of the rotor iron core (1).