CN218733591U

CN218733591U - Hybrid iron core of variable frequency motor

Info

Publication number: CN218733591U
Application number: CN202222687314.6U
Authority: CN
Inventors: 陈晓飞
Original assignee: Kunshan Feideli Electrical Co ltd
Current assignee: Kunshan Feideli Electrical Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-24
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a variable frequency motor hybrid iron core, which comprises a stator, the heat dissipation shell is installed to the one end of stator, the louvre has evenly been seted up to one side of heat dissipation shell, the through-hole has been seted up to one side of heat dissipation shell, the inside fixedly connected with bearing of through-hole, the internally mounted of bearing has the rotor shaft, the mounting hole has evenly been seted up to the lateral wall of rotor shaft, the lateral wall of rotor shaft passes through fixing bolt fixedly connected with go-between. The utility model discloses a heat that the inside rotor during operation of stator produced is absorbed to the heat conduction post to give heating panel and radiating fin with the heat transfer, increase heat radiating area improves the inside radiating efficiency of stator, when the high-speed rotation of rotor, drives the blade and rotates, and the inside air flow speed of heat dissipation shell makes the heat transmit the stator outside fast, reduces the ambient temperature when the high-speed rotation of rotor, improves the life of iron core, thereby the maintenance cost of control inverter motor hybrid iron core.

Description

Hybrid iron core of variable frequency motor

Technical Field

The utility model relates to a motor core technical field specifically is a variable frequency motor hybrid iron core.

Background

The motor iron core is used as a core component in a motor, the iron core is a non-professional term in the electrical industry, and the iron core is also a magnetic core. The iron core (magnetic core) plays a very important role in the whole motor, and is used for increasing the magnetic flux of the inductance coil so as to realize the maximum conversion of electromagnetic power. The motor core is generally formed by combining a stator and a rotor.

The known Chinese published authorized invention: the patent publication No. CN212231195U discloses a motor and a variable frequency motor hybrid iron core thereof, which comprises an imaginary axis, a plurality of first punching sheets and a plurality of second punching sheets. The device forms a rotor by superposing two different punching sheets, so that the rotor has the characteristics of the two punching sheets simultaneously; and by means of the mixing and matching of the two characteristics, matching and adjustment of different thicknesses of the two punching sheets can be carried out according to products or requirements, so that the efficiency and the performance proportion between idling can be adjusted, and various motor performances can be made.

However, when the device is used, because the efficiency and the cogging of the iron core can be adjusted as required, a large amount of heat can be additionally generated when the rotor rotates at a high speed, the iron core works for a long time in a high-temperature state, the service life of the iron core can be shortened, and the maintenance cost of the hybrid iron core of the variable frequency motor is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frequency conversion motor hybrid iron core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a variable frequency motor hybrid iron core, includes the stator, the heat dissipation shell is installed to the one end of stator, the louvre has evenly been seted up to one side of heat dissipation shell, the through-hole has been seted up to one side of heat dissipation shell, the inside fixedly connected with bearing of through-hole, the internally mounted of bearing has the rotor shaft, the mounting hole has evenly been seted up to the lateral wall of rotor shaft, fixing bolt fixedly connected with go-between is passed through to the lateral wall of rotor shaft, fixing bolt threaded connection is in the inside of mounting hole, the even fixedly connected with three blade of lateral wall of go-between, the inside wall fixedly connected with heating panel of heat dissipation shell, the even fixedly connected with radiating fin in one side of heating panel, the even fixedly connected with heat conduction post in one side that radiating fin was kept away from to the heating panel.

As further preferable in the present technical solution: tooth grooves are uniformly formed in the inner side wall of the stator, and the heat conduction columns are arranged inside the tooth grooves.

As further preferable in the present technical solution: the outer side wall of the stator is symmetrically and fixedly connected with four connecting blocks, and one side of each connecting block is provided with a slot.

As further preferable in the present technical solution: the radiating shell outer side wall is symmetrically and fixedly connected with four mounting blocks, one side of each mounting block is fixedly connected with an insertion block, and the insertion blocks are arranged opposite to the slots.

As further preferable in the present technical solution: the upper surface of the insert block is provided with a threaded hole, and the inner thread of the threaded hole is connected with a connecting bolt.

As further preferable in the present technical solution: the stator is fixedly connected with the heat dissipation shell through a connecting bolt.

As further preferable in the present technical solution: the stator is internally provided with a rotor A and a rotor B, and two rotors A are symmetrically arranged at two ends of the rotor B.

As further preferable in the present technical solution: shaft holes are formed in the rotor A and the rotor B, and the rotor shaft is arranged in the shaft holes.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a heat that the inside rotor during operation of stator produced is absorbed to the heat conduction post to give heating panel and radiating fin with the heat transfer, increase heat radiating area improves the inside radiating efficiency of stator, when the high-speed rotation of rotor, drives the blade and rotates, and the inside air flow speed of heat dissipation shell makes the heat transmit the stator outside fast, reduces the ambient temperature when the high-speed rotation of rotor, improves the life of iron core, thereby the maintenance cost of control inverter motor hybrid iron core.

Drawings

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

fig. 2 is a schematic view of the internal structure of the heat dissipation casing of the present invention;

fig. 3 is a schematic structural view of the heat dissipation shell of the present invention after being disassembled;

fig. 4 is a schematic view of the rotor structure of the present invention.

In the figure: 11. a stator; 12. a heat dissipation housing; 13. heat dissipation holes; 14. a through hole; 15. a bearing; 16. a rotor shaft; 17. mounting holes; 18. fixing the bolt; 19. a connecting ring; 20. a blade; 21. a heat dissipation plate; 22. a heat dissipating fin; 23. a heat-conducting column; 24. a tooth socket; 25. connecting blocks; 26. a slot; 27. a connecting bolt; 28. mounting blocks; 29. inserting a block; 30. a threaded hole; 31. a rotor A; 32. a rotor B; 33. and the shaft hole.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a variable frequency motor hybrid iron core, including stator 11, radiating shell 12 is installed to stator 11's one end, louvre 13 has evenly been seted up to one side of radiating shell 12, through-hole 14 has been seted up to one side of radiating shell 12, the inside fixedly connected with bearing 15 of through-hole 14, the internally mounted of bearing 15 has rotor shaft 16, mounting hole 17 has evenly been seted up to rotor shaft 16's lateral wall, fixing bolt 18 fixedly connected with go-between 19 is passed through to rotor shaft 16's lateral wall, 18 threaded connection of fixing bolt is in the inside of mounting hole 17, the even fixedly connected with three blade 20 of lateral wall of go-between 19, the inside wall fixedly connected with heating panel 21 of radiating shell 12, the even fixedly connected with radiating fin 22 in one side of heating panel 21, the even fixedly connected with heat conduction post 23 in one side that radiating fin 22 was kept away from to heating panel 21.

In this embodiment, specifically: tooth's socket 24 has evenly been seted up to stator 11's inside wall, and heat conduction post 23 sets up in tooth's socket 24's inside, and heat conduction post 23 is used for absorbing the inside heat of stator 11 to conduct the heat, accelerate the inside radiating rate of stator 11.

In this embodiment, specifically: four connecting blocks 25 of stator 11's lateral wall symmetry fixedly connected with, slot 26 has been seted up to one side of connecting block 25, and the preformed hole has been seted up at connecting block 25 top for installation connecting bolt 27.

In this embodiment, specifically: four installation blocks 28 of heat dissipation shell 12 lateral wall symmetry fixedly connected with, one side fixedly connected with inserted block 29 of installation block 28, inserted block 29 and slot 26 set up relatively, through above setting, when installation heat dissipation shell 12, insert block 29 into slot 26, make the reservation hole on screw hole 30 and the connecting block 25 align, it is fixed with heat dissipation shell 12 through connecting bolt 27, prevent that blade 20 from suffering the foreign matter collision and damaging at the rotation in-process.

In this embodiment, specifically: a threaded hole 30 is formed in the upper surface of the insert block 29, and a connecting bolt 27 is threadedly connected to the inside of the threaded hole 30.

In this embodiment, specifically: stator 11 passes through connecting bolt 27 and heat dissipation shell 12 fixed connection, and heat dissipation shell 12 can be dismantled, makes things convenient for the rotor and the stator 11 of inspection maintenance hybrid iron core.

In this embodiment, specifically: stator 11's internally mounted has rotor A31 and rotor B32, and two rotor A31 are installed to rotor B32's both ends symmetry, and rotor A31 and rotor B32 are formed by the silicon steel sheet punching press of different specifications for the whole characteristic that can have two kinds of different specifications towards the piece of rotor simultaneously has improved inverter motor iron core's practicality.

In this embodiment, specifically: shaft holes 33 are formed in the rotors a31 and B32, the rotor shaft 16 is mounted in the shaft holes 33, and the rotor shaft 16 rotates along with the rotors a31 and B32 and provides power for the rotation of the blades 20.

Working principle or structural principle, during the use, insert heat conduction post 23 in tooth's socket 24, install go-between 19 and blade 20 on rotor shaft 16 through fixing bolt 18, with heating panel 21 and heat dissipation shell 12 fixed connection, insert block 29 in slot 26 again, install heat dissipation shell 12 in the one end of stator 11 through connecting bolt 27, rotor shaft 16 is located inside bearing 15 this moment, reduce the resistance when rotating, the whole rotor comprises rotor A31 and rotor B32 two parts, rotor A31 and rotor B32 are formed by the punching of the silicon steel sheet of different specifications, make the whole rotor can have the characteristic of two kinds of different specification punching pieces simultaneously, therefore the mixed iron core can adjust efficiency and pause the commentaries on classics, when the whole work of rotor, the heat that distributes transmits for heating panel 21 through heat conduction post 23, increase heat dissipation area through radiating fin 22, the heat dissipation efficiency is improved, rotor shaft 16 moves along with the whole rotor, drive blade 20 and rotate, make inside air exchange with outside air through louvre 13, accelerate the heat dissipation speed inside stator 11, reduce the high-speed environmental temperature when the whole high-speed rotation of rotor, improve the life of rotor, thereby the mixed iron core of frequency conversion control of mixed motor.

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 variable frequency motor hybrid core, comprising a stator (11), characterized in that: radiating shell (12) is installed to the one end of stator (11), louvre (13) have evenly been seted up to one side of radiating shell (12), through-hole (14) have been seted up to one side of radiating shell (12), inside fixedly connected with bearing (15) of through-hole (14), the internally mounted of bearing (15) has rotor shaft (16), mounting hole (17) have evenly been seted up to the lateral wall of rotor shaft (16), fixing bolt (18) fixedly connected with go-between (19) is passed through to the lateral wall of rotor shaft (16), fixing bolt (18) threaded connection is in the inside of mounting hole (17), the three blade of the even fixedly connected with (20) of lateral wall of go-between (19), the inside wall fixedly connected with heating panel (21) of radiating shell (12), the even fixedly connected with radiating fin (22) in one side of heating panel (21), the even fixedly connected with heat conduction post (23) in one side of radiating fin (22) is kept away from to heating panel (21).

2. The hybrid core for an inverter motor according to claim 1, wherein: tooth grooves (24) are uniformly formed in the inner side wall of the stator (11), and the heat conduction columns (23) are arranged inside the tooth grooves (24).

3. The hybrid core for inverter motor of claim 2, wherein: the outer side wall of the stator (11) is symmetrically and fixedly connected with four connecting blocks (25), and a slot (26) is formed in one side of each connecting block (25).

4. The hybrid core for an inverter motor according to claim 3, wherein: the heat dissipation shell (12) lateral wall symmetry fixedly connected with four installation piece (28), one side fixedly connected with inserted block (29) of installation piece (28), inserted block (29) and slot (26) set up relatively.

5. The hybrid core for inverter motor of claim 4, wherein: the upper surface of the insert block (29) is provided with a threaded hole (30), and the inner thread of the threaded hole (30) is connected with a connecting bolt (27).

6. The hybrid core for inverter motor of claim 5, wherein: the stator (11) is fixedly connected with the heat dissipation shell (12) through a connecting bolt (27).

7. The hybrid core for inverter motor of claim 1, wherein: the inside mounting of stator (11) has rotor A (31) and rotor B (32), two rotor A (31) are installed to the both ends symmetry of rotor B (32).

8. The hybrid core for inverter motor of claim 7, wherein: shaft holes (33) are formed in the rotor A (31) and the rotor B (32), and the rotor shaft (16) is mounted in the shaft holes (33).