CN216356144U

CN216356144U - Synchronous reluctance motor rotor

Info

Publication number: CN216356144U
Application number: CN202122697663.1U
Authority: CN
Inventors: 陈雄广
Original assignee: Yongkang Shengsiboyi Industry And Trade Co ltd
Current assignee: Yongkang Shengsiboyi Industry And Trade Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-19
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a synchronous reluctance motor rotor, which comprises a shell, wherein a rotating shaft is arranged in the shell, a rotor body is fixedly connected to the outer side of the rotating shaft, a heat dissipation assembly is arranged in the shell and comprises a fixed plate, the fixed plate is fixedly connected to the inner side wall of the shell, a first cavity is formed in the fixed plate, the rotating shaft is rotatably connected to the inner side of the fixed plate, a rotating mechanism is arranged on the outer side of the rotating shaft, a second cavity is formed in the inner side of the rotating shaft, a plurality of first guide pipes are formed in the inner side wall of the second cavity, the first cavity is communicated with the second cavity through the first guide pipes, two air inlet grooves are formed in the inner side wall of the first cavity, two air outlet pipes are formed in the inner side wall of the second cavity, a plurality of through grooves are formed in the inner side of the rotor body, and an air supply mechanism is arranged in the through grooves. When the heat dissipation structure is used, the heat dissipation structure can effectively dissipate the heat of the inner side of the rotor body, and meanwhile, the purpose of effectively dissipating the heat in the shell of the motor is achieved, so that the service life of the motor is prolonged.

Description

Synchronous reluctance motor rotor

Technical Field

The utility model relates to the technical field of motors, in particular to a synchronous reluctance motor rotor.

Background

The synchronous reluctance motor is a novel alternating current motor which follows the reluctance minimum path closing principle, generates magnetic pulling force (namely reluctance torque) through reluctance change caused by a rotor at different positions to drive the motor to rotate, and has the advantages of simple structure, firmness, durability, high efficiency, wide speed regulation range, lower cost and the like, wherein the rotor of the motor is a rotating part in the motor. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. The motor rotor is divided into a motor rotor and a generator rotor, when the rotor of the existing synchronous reluctance motor rotates inside the motor, heat can be generated and accumulated inside the rotor, the heat cannot be discharged in time, the heat in the motor is accumulated and lifted, the service life of the motor is shortened, and therefore the synchronous reluctance motor rotor is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a synchronous reluctance motor rotor to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a synchronous reluctance motor rotor comprises a shell, wherein a rotating shaft is arranged in the shell, a rotor body is fixedly connected to the outer side of the rotating shaft, and a heat dissipation assembly is arranged in the shell;

the radiating assembly comprises a fixing plate, the fixing plate is fixedly connected with the inner side wall of the shell, a first cavity is formed in the fixing plate, the rotating shaft is rotatably connected in the fixing plate, a rotating mechanism is arranged on the outer side of the rotating shaft, a second cavity is formed in the inner side of the rotating shaft, a plurality of first guide pipes are formed in the inner side wall of the second cavity, the first cavity is communicated with the second cavity through the first guide pipes, two air inlet grooves are formed in the inner side wall of the first cavity, two air outlet pipes are formed in the inner side wall of the second cavity, a plurality of through grooves are formed in the inner side of the rotor body, and an air supply mechanism is arranged in the through grooves.

Preferably, the air supply mechanism comprises a U-shaped pipe, the U-shaped pipe is fixedly connected to the outer side of the rotating shaft, the inner side wall of the second cavity is communicated with a plurality of second guide pipes, the U-shaped pipe is communicated with the second cavity through the second guide pipes, and a plurality of through holes are formed in the outer side of the U-shaped pipe.

Preferably, the inside fixedly connected with filter screen of air inlet duct, the one end of pivot runs through fixed plate fixedly connected with stopper.

Preferably, the rotating mechanism includes a sliding block, the sliding block is fixedly connected to the outer side of the rotating shaft, an annular sliding groove matched with the sliding block is formed in the inner side of the fixing plate, and the sliding block is rotatably connected to the inner portion of the annular sliding groove.

Preferably, one end of the sliding block is fixedly connected with a clamping block, and an annular clamping groove matched with the clamping block is formed in the inner side wall of the annular sliding groove.

Preferably, a seal ring is fixedly sleeved on the outer side of the rotating shaft and is attached to the inner side wall of the first cavity.

Compared with the prior art, the utility model has the beneficial effects that: when the heat dissipation device is used, heat generated when the rotor body rotates in the shell of the motor is accumulated inside, the fan in the motor generates cold air when rotating, the cold air is injected into the first cavity through the air inlet groove, is injected into the second cavity along with the first guide pipe, is injected into the U-shaped pipe through the second guide pipe and is discharged along with the through hole, the inner side of the rotor body is effectively dissipated, meanwhile, the cold air in the second cavity is discharged into the shell through the air outlet pipe, the purpose of effectively dissipating heat in the shell of the motor is achieved, the heat accumulation in the rotor body is prevented, the effect of effectively dissipating heat of the motor is achieved, and the service life of the motor is prolonged.

Drawings

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

FIG. 2 is an enlarged view of the area A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the rotating shaft of the present invention;

FIG. 4 is a schematic cross-sectional view of a U-shaped tube of the present invention.

In the figure: 1-a shell; 2-a rotor body; 3-a rotating shaft; 4, fixing a plate; 5-a first cavity; 6-a second cavity; 7-a first conduit; 8-a second conduit; 9-through groove; 10-U-shaped tube; 11-a through hole; 12-an air outlet pipe; 13-an air inlet groove; 14-a filter screen; 15-a limiting block; 16-a sealing ring; 17-a slide block; 18-an annular chute; 19-a fixture block; 20-ring card slot.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a synchronous reluctance motor rotor, includes casing 1, and casing 1's inside is equipped with pivot 3, and the outside fixedly connected with rotor body 2 of pivot 3, casing 1's inside is equipped with radiator unit.

The heat dissipation assembly comprises a fixing plate 4, the fixing plate 4 is fixedly connected to the inner side wall of the shell 1, a first cavity 5 is formed in the fixing plate 4, the rotating shaft 3 is rotatably connected to the inside of the fixing plate 4, a rotating mechanism is arranged on the outer side of the rotating shaft 3 and comprises a sliding block 17, the sliding block 17 is fixedly connected to the outer side of the rotating shaft 3, an annular sliding groove 18 matched with the sliding block 17 is formed in the inner side of the fixing plate 4, the sliding block 17 is rotatably connected to the inside of the annular sliding groove 18, the rotating shaft 3 is rotatably connected to the inside of the annular sliding groove 18 through the sliding block 17 so as to rotate in the fixing plate 4, a clamping block 19 is fixedly connected to one end of the sliding block 17, an annular clamping groove 20 matched with the clamping block 19 is formed in the inner side wall of the annular sliding groove 18, when the rotating shaft 3 rotates in the fixing plate 4, the clamping block 19 rotates in the annular clamping groove 20 to prevent the rotating shaft 3 from separating from the fixing plate 4, and a second cavity 6 is formed in the inner side wall of the rotating shaft 3, a plurality of first pipes 7 have been seted up to the inside wall of second cavity 6, communicate through first pipe 7 between first cavity 5 and the second cavity 6, two air inlet grooves 13 have been seted up to the inside wall of first cavity 5, the inside fixedly connected with filter screen 14 of air inlet groove 13, fixed plate 4 fixedly connected with stopper 15 is run through to the one end of pivot 3, filter screen 14 plays the filtering action to first cavity 5, prevent that the dirt bits from getting into first cavity 5, stopper 15 plays limiting displacement to pivot 3.

Two air outlet pipes 12 are arranged on the inner side wall of the second cavity 6, a plurality of through grooves 9 are arranged on the inner side of the rotor body 2, an air supply mechanism is arranged inside the through grooves 9 and comprises a U-shaped pipe 10, the U-shaped pipe 10 is fixedly connected to the outer side of the rotating shaft 3, a plurality of second guide pipes 8 are communicated with the inner side wall of the second cavity 6, the U-shaped pipe 10 is communicated with the second cavity 6 through the second guide pipes 8, a plurality of through holes 11 are arranged on the outer side of the U-shaped pipe 10, when the outside cold air is injected into the second cavity 6 along with the first cavity 5, the cold air is injected into the U-shaped pipe 10 along with the second guide pipe 8, the inboard of rotor body 2 is supplied air through-hole 11 and is dispelled the heat, and the sealing washer 16 has been cup jointed to the outside of pivot 3 is fixed, and the laminating of the inside wall of sealing washer 16 and first cavity 5 has guaranteed the leakproofness between pivot 3 and the fixed plate 4 to the sealing washer 16 for air conditioning in the first cavity 5 can only pour into in the second cavity 6 through first pipe 7. When the heat dissipation device is used, heat generated when the rotor body 2 rotates in the shell 1 of the motor is accumulated inside, cold air is generated when a fan in the motor rotates, the cold air is injected into the first cavity 5 through the air inlet groove 13, is injected into the second cavity 6 along with the first guide pipe 7, is injected into the U-shaped pipe 10 through the second guide pipe 8 and is discharged along with the through hole 11, the inner side of the rotor body 2 is effectively dissipated, meanwhile, the cold air in the second cavity 6 is discharged into the shell 1 through the air outlet pipe 12, the purpose of effectively dissipating heat in the shell 1 of the motor is achieved, the heat accumulation in the rotor body 2 is prevented, the effect of effectively dissipating heat of the motor is achieved, and the service life of the motor is prolonged.

Theory of operation or structure, in use, rotor body 2 is during the casing 1 internal rotation of motor, produce the heat, the heat is piled up inside rotor body 2, need in time discharge, the fan of motor produced cold wind when rotating this moment, cold wind pours into first cavity 5 into through inlet chute 13, when the first pipe 7 of 3 one sides of pivot rotate to with first cavity 5 intercommunication time, cold wind pours into second cavity 6 into through first pipe 7 in, pour into U type pipe 10 into through second pipe 8 in, discharge along with through-hole 11, effectively dispel the heat to rotor body 2's inboard, cold wind in the second cavity 6 simultaneously passes through outlet duct 12 and arranges to casing 1's inside.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a synchronous reluctance motor rotor, includes the casing, the inside of casing is equipped with the pivot, the outside fixedly connected with rotor body of pivot, its characterized in that: the inside of casing is equipped with radiator unit, radiator unit includes the fixed plate, fixed plate fixed connection in the inside wall of casing, first cavity has been seted up to the inside of fixed plate, the pivot rotate connect in the inside of fixed plate, the outside of pivot is equipped with slewing mechanism, the second cavity has been seted up to the inboard of pivot, a plurality of first pipes have been seted up to the inside wall of second cavity, first cavity with pass through between the second cavity first pipe intercommunication, two air inlet ducts have been seted up to the inside wall of first cavity, two outlet ducts have been seted up to the inside wall of second cavity, a plurality of logical grooves have been seted up to rotor body's inboard, the inside that leads to the groove is equipped with air supply mechanism.

2. A synchronous reluctance machine rotor according to claim 1, wherein: the air supply mechanism comprises a U-shaped pipe, the U-shaped pipe is fixedly connected to the outer side of the rotating shaft, the inner side wall of the second cavity is communicated with a plurality of second guide pipes, the U-shaped pipe is communicated with the second cavity through the second guide pipes, and a plurality of through holes are formed in the outer side of the U-shaped pipe.

3. A synchronous reluctance machine rotor according to claim 1, wherein: the inside fixedly connected with filter screen of air inlet duct, the one end of pivot runs through fixed plate fixedly connected with stopper.

4. A synchronous reluctance machine rotor according to claim 1, wherein: the rotating mechanism comprises a sliding block, the sliding block is fixedly connected to the outer side of the rotating shaft, an annular sliding groove matched with the sliding block is formed in the inner side of the fixing plate, and the sliding block is rotatably connected to the inner portion of the annular sliding groove.

5. A synchronous reluctance machine rotor according to claim 4, wherein: one end fixedly connected with fixture block of slider, the inside wall of annular spout set up with the annular groove of fixture block looks adaptation.

6. A synchronous reluctance machine rotor according to claim 1, wherein: the fixed sealing washer that has cup jointed in the outside of pivot, the sealing washer with the laminating of the inside wall of first cavity.