CN213027725U - Switched reluctance motor for motor roller - Google Patents

Abstract

The utility model discloses a switched reluctance motor for a motor roller, which comprises a barrel body and a motor shaft, wherein the interior of the barrel body is provided with the motor shaft, the outer end of a rotor is nested with the stator, the inner wall of the stator is provided with stator salient poles which are circumferentially and uniformly distributed, the stator salient poles are wrapped with high-temperature enameled wires, the inner side groove of the stator is fixedly bonded with insulating paper, one end of the motor shaft close to a first bearing is rotatably provided with a first cooling fan, one end of the motor shaft close to a second bearing is rotatably provided with a second cooling fan, a cooling oil circuit is arranged between the gap of the rotor and the stator, the two ends of the cooling oil circuit are respectively provided with a cooling oil inlet and a cooling oil outlet, the utility model can effectively reduce the temperature rise of the switched reluctance motor during working by arranging the first cooling fan and the second cooling fan on two split shafts, the service performance of the fabric is improved to a certain extent.

Description

Switched reluctance motor for motor roller

Technical Field

The utility model relates to an electrical equipment technical field specifically is a switched reluctance motor for motor cylinder.

Background

The roller motor is matched with an oil-cooled electric roller and used as a power source for belt conveying, the prior roller motor uses a three-phase asynchronous motor as a power source, and the problems of large starting current, low efficiency, small starting torque, poor overload capacity, short service life and the like exist in the three-phase asynchronous motor, so that the working performance of the electric roller is low, the three-phase asynchronous motor is replaced by a switched reluctance motor, the switched reluctance motor is a novel speed regulating motor developed in recent years, the structure is simple and firm, the speed regulating range is wide, the performance is good, and the roller motor is used in the fields of instruments, household appliances, electric automobiles and the like.

In order to reduce the space requirement of the motorized pulley, the motor is usually installed in the inner cavity of the motorized pulley, so that the heat dissipation problem of the switched reluctance motor is affected, and the use performance of the switched reluctance motor is reduced, so that the switched reluctance motor is not widely applied to the motorized pulley, and therefore, a switched reluctance motor for the motorized pulley needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switched reluctance motor for motor cylinder is through being provided with first cooling fan and second cooling fan on the two-component shaft at the motor shaft, can effectively reduce switched reluctance motor at the temperature rise of during operation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a switched reluctance motor for a motor roller comprises a barrel body and a motor shaft, wherein the motor shaft is arranged in the barrel body, a main shaft of the motor shaft is rotatably connected with a rotor, rotor salient poles which are uniformly distributed in the circumferential direction are arranged on the outer wall of the rotor, a stator is nested at the outer end of the rotor, stator salient poles which are uniformly distributed in the circumferential direction are arranged on the inner wall of the stator, high-temperature enameled wires are wrapped on the stator salient poles, insulating paper is fixedly bonded at the inner side grooves of the stator, a shell is sleeved at the outer end of the stator and is positioned between the barrel body and the stator, a front end cover is fixedly clamped at one end of the shell, and a first bearing and a second bearing are respectively fixed on two split shafts of the;

the motor shaft is close to the one end rotation of first bearing and installs first cooling fan, the one end rotation that the motor shaft is close to the second bearing installs the second cooling fan, a set of branch axle of motor shaft runs through the outside that the front end housing is located the barrel, one side that the barrel is close to first cooling fan sets up in the rear end cap, the rear end cap is fixed with the barrel joint, the one end fixed mounting that the barrel is close to the rear end cap has the protection casing, be provided with the cooling oil circuit between rotor and the stator space, the both ends of cooling oil circuit are provided with coolant oil import and coolant oil export respectively, coolant oil import and coolant oil export set up respectively on the both ends lateral wall of barrel, all be provided with the valve in coolant oil import and the coolant oil export.

Preferably, the stator salient poles are not less than six groups, the rotor salient poles are not less than four groups, and the stator salient poles and the rotor salient poles are formed by laminating silicon steel sheets with good magnetic permeability after being punched.

Preferably, the high-temperature enameled wire is fired by a plurality of wires connected in parallel.

Preferably, the adjacent stator salient poles are arranged in a heteropolar attraction manner, and the adjacent stator salient poles are arranged in a homopolar repulsion manner relative to the stator salient poles.

Preferably, one end of the casing close to the front end cover is provided with a convex block, and the front end cover is provided with a clamping groove matched with the convex block.

Preferably, the motor shaft adopts an integrated main shaft and comprises a main shaft and two sub-shafts.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a motor shaft adopts integrated main shaft, including main shaft and two minute axles, install first cooling fan and second cooling fan through rotating at two minute epaxial groups, and be provided with the cooling oil circuit between the space between rotor and the stator, there are coolant oil import and coolant oil import respectively at the both ends of cooling oil circuit, and through first cooling fan, second cooling fan and cooling oil circuit can effectively reduce the temperature rise of switched reluctance motor at the during operation, have improved its performance to a certain extent.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the rotor of the present invention;

fig. 4 is a schematic structural view of the stator of the present invention;

fig. 5 is a schematic structural diagram of the cooling oil circuit of the present invention.

In the figure: 1. a barrel; 2. a housing; 3. a stator; 4. stator salient poles; 5. a rotor; 6. rotor salient poles; 7. a first bearing; 8. a motor shaft; 9. insulating paper; 10. high-temperature enameled wires; 11. a second bearing; 12. a second cooling fan; 13. a first cooling fan; 14. a front end cover; 15. a rear end cap; 16. a protective cover; 17. cooling the oil path; 18. a cooling oil inlet; 19. and a cooling oil outlet.

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. 1-5, the present invention provides a technical solution: the utility model provides a switched reluctance motor for motor drum, including barrel 1 and motor shaft 8, the inside of barrel 1 is provided with motor shaft 8, motor shaft 8 adopts the integration main shaft, including main shaft and two minute axles, motor shaft 8's main shaft rotates and is connected with rotor 5, be provided with circumference evenly distributed's rotor salient pole 6 on rotor 5's the outer wall, rotor 5's outer end nestification has stator 3, be provided with circumference evenly distributed's stator salient pole 4 on stator 3's the inner wall, six groups are no less than in stator salient pole 4 setting, four groups are no less than in rotor salient pole 6 setting, stator salient pole 4 and rotor salient pole 6 are folded into after punching by the good silicon steel sheet of magnetic conduction, the reliability of silicon steel material is high, the magnetic induction is high, adjacent stator salient pole 4 is heteropolar attraction form setting, relative stator salient pole 4 is.

The stator salient pole 4 is wrapped by a high-temperature enameled wire 10, the high-temperature enameled wire 10 is fired by a plurality of parallel-connected wires, an insulating paper 9 is fixedly bonded at a groove on the inner side of the stator 3, the insulating paper 9 improves the heat resistance of the device to a certain extent, a casing 2 is sleeved at the outer end of the stator 3, the casing 2 is made of an aluminum alloy material, the heat dissipation performance is good, the weight is light, the casing 2 is positioned between the barrel 1 and the stator 3, a front end cover 14 is clamped and fixed at one end of the casing 2, a convex block is arranged at one end of the casing 2 close to the front end cover 14, a clamping groove matched with the convex block is arranged on the front end cover 14, a first bearing 7 and a second bearing 11 are respectively fixed on two component shafts of the motor shaft 8, the first bearing 7 and the second bearing 11 can reduce the vibration of the device to a certain extent, the safety of the device is improved by load, a second cooling fan 12 is rotatably installed at one end of the motor shaft 8 near the second bearing 11.

A set of branch axle of motor shaft 8 runs through front end housing 14 and is located the outside of barrel 1, one side that barrel 1 is close to first cooling fan 13 sets up in rear end housing 15, rear end housing 15 is fixed with barrel 1 joint, the one end fixed mounting that barrel 1 is close to rear end housing 15 has protection casing 16, be provided with cooling oil circuit 17 between rotor 5 and the 3 spaces of stator, the both ends of cooling oil circuit 17 are provided with coolant oil import 18 and coolant oil export 19 respectively, coolant oil import 18 and coolant oil export 19 set up respectively on the both ends lateral wall of barrel 1, all be provided with the valve on coolant oil import 18 and the coolant oil export 19, through first cooling fan 13, temperature rise of switch reluctance motor during operation can effectively be reduced to second cooling fan 12 and cooling oil circuit 17, its performance has been improved to a certain extent.

The working principle is as follows: the switched reluctance motor is arranged on the electric roller, although the problem of space requirement of the electric roller can be solved, the heat dissipation problem is brought at the same time, the heat flow of the switched reluctance motor is very large when the switched reluctance motor works, if the temperature can not be reduced to a proper temperature, the performance of the switched reluctance motor can be gradually reduced under a long-term working environment, the utility model discloses a motor shaft 8 is arranged, the motor shaft 8 adopts an integrated main shaft, which comprises a group of main shaft and two groups of branch shafts, a first cooling fan 13 and a second cooling fan 12 are respectively arranged on the two groups of branch shafts, a rotor 5 and a stator 3 are arranged at the position of the main shaft of the motor shaft 8, a cooling oil path 17 is arranged in a gap between the rotor 5 and the stator 3, a cooling oil inlet 18 and a cooling oil outlet 19 are respectively arranged at two ends of the cooling oil path 17, the temperature rise of the switched reluctance motor can be effectively reduced by the first, the service performance of the stator is improved to a certain extent, the insulating paper 9 is fixedly bonded at the groove on the inner side of the stator 3, and the heat resistance of the device is improved to a certain extent by the insulating paper 9.

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 (6)

1. The utility model provides a switched reluctance motor for motor drum, includes barrel (1) and motor shaft (8), its characterized in that: a motor shaft (8) is arranged in the cylinder body (1), a main shaft of the motor shaft (8) is rotationally connected with a rotor (5), rotor salient poles (6) which are uniformly distributed in the circumferential direction are arranged on the outer wall of the rotor (5), the outer end of the rotor (5) is nested with a stator (3), the inner wall of the stator (3) is provided with stator salient poles (4) which are uniformly distributed in the circumferential direction, the stator salient poles (4) are wrapped with high-temperature enameled wires (10), the inner side grooves of the stator (3) are fixedly bonded with insulating paper (9), a shell (2) is sleeved at the outer end of the stator (3), the shell (2) is positioned between the cylinder body (1) and the stator (3), a front end cover (14) is fixedly clamped at one end of the shell (2), and a first bearing (7) and a second bearing (11) are respectively fixed on two split shafts of the motor shaft (8);

the motor shaft (8) is close to one end of the first bearing (7) and is rotated to be provided with a first cooling fan (13), one end of the motor shaft (8) close to the second bearing (11) is rotated to be provided with a second cooling fan (12), a component shaft of the motor shaft (8) penetrates through the outer part of the barrel body (1) which is positioned on the front end cover (14), one side of the barrel body (1) close to the first cooling fan (13) is arranged on the rear end cover (15), the rear end cover (15) is fixed with the barrel body (1) in a clamping manner, one end of the barrel body (1) close to the rear end cover (15) is fixedly provided with a protective cover (16), a cooling oil way (17) is arranged between the gaps of the rotor (5) and the stator (3), two ends of the cooling oil way (17) are respectively provided with a cooling oil inlet (18) and a cooling oil outlet (19), the cooling oil inlet (18) and the cooling oil outlet (19), and valves are arranged on the cooling oil inlet (18) and the cooling oil outlet (19).

2. The switched reluctance motor for a motor drum according to claim 1, wherein: the stator salient poles (4) are arranged in at least six groups, the rotor salient poles (6) are arranged in at least four groups, and the stator salient poles (4) and the rotor salient poles (6) are formed by laminating silicon steel sheets after being punched.

3. The switched reluctance motor for a motor drum according to claim 1, wherein: the high-temperature enameled wire (10) is fired by a plurality of parallel wires.

4. The switched reluctance motor for a motor drum according to claim 1, wherein: the adjacent stator salient poles (4) are arranged in a heteropolar attraction manner, and the stator salient poles (4) are arranged in a homopolar repulsion manner.

5. The switched reluctance motor for a motor drum according to claim 1, wherein: a protruding block is arranged at one end, close to the front end cover (14), of the shell (2), and a clamping groove matched with the protruding block is formed in the front end cover (14).

6. The switched reluctance motor for a motor drum according to claim 1, wherein: the motor shaft (8) adopts an integrated main shaft and comprises a main shaft and two sub-shafts.

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