CN214380593U

CN214380593U - Air-cooled permanent magnet speed regulator heat radiation structure

Info

Publication number: CN214380593U
Application number: CN202023185550.5U
Authority: CN
Inventors: 陈宝寿; 冯含思
Original assignee: Nanjing Aling Energy Efficiency Tech Co ltd
Current assignee: Nanjing Aling Energy Efficiency Tech Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-08
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an air-cooled permanent magnet speed regulator heat radiation structure, which comprises a permanent magnet rotor, an impeller, a conductor rotor and a wind shield, wherein the permanent magnet rotor is of a sleeve type structure, and the impeller is fixed on the outer end surface of the permanent magnet rotor and synchronously rotates along with the permanent magnet rotor; the conductor rotor is of a sleeve type structure, is arranged in the permanent magnet rotor and is sleeved with the permanent magnet rotor concentrically; the wind shield is of a sleeve type structure, is fixed inside the conductor rotor, is concentrically sleeved with the conductor rotor and synchronously rotates along with the conductor rotor; the utility model discloses simple structure through the design in wind channel, forms and lasts, efficient cooling effect, has improved air cooling equipment's radiating efficiency greatly, suitable using widely.

Description

Air-cooled permanent magnet speed regulator heat radiation structure

Technical Field

The utility model relates to a permanent magnet speed regulation ware field, in particular to air-cooled permanent magnet speed regulation ware heat radiation structure.

Background

The heat generated by the permanent magnet speed regulator mainly appears on the conductor rotor, the heat dissipation area is increased by adding heat dissipation fins on the conductor rotor, and the heat exchange is generated by the autorotation of the conductor rotor and the air. However, for the permanent magnet speed regulator with the sleeve type structure, the radiating surface is on the outer circumferential surface, an effective air channel is difficult to form in the rotating process like the radiating surface with the disk type structure is on the end surface, the radiating efficiency is low, and the development of the sleeve type structure to high power is influenced.

Disclosure of Invention

The utility model aims at providing an air-cooled permanent magnet speed regulator heat radiation structure to the problem that prior art exists, its aim at: the heat dissipation efficiency of the permanent magnet speed regulator is improved.

The utility model aims at solving through the following technical scheme:

the utility model provides an air-cooled permanent magnet speed regulator heat radiation structure, includes permanent magnet rotor, impeller, conductor rotor and deep bead, its characterized in that: the permanent magnet rotor is of a sleeve type structure, and the impeller is fixed on the outer end face of the permanent magnet rotor and synchronously rotates along with the permanent magnet rotor; the conductor rotor is of a sleeve type structure, is arranged in the permanent magnet rotor and is sleeved with the permanent magnet rotor concentrically; the wind shield is of a sleeve type structure, is fixed inside the conductor rotor, is concentrically sleeved with the conductor rotor and synchronously rotates along with the conductor rotor.

The end face of the permanent magnet rotor is provided with a vent hole, so that air circulation is facilitated.

The impeller comprises a ventilation baffle, a flow guide baffle, blades and a connecting ring; the ventilation baffle and the flow guide baffle are both in circular ring structures and are arranged in parallel, and the inner circles are connected through a connecting ring; the blades are arranged between the ventilation baffle and the flow guide baffle, the shape of each blade is an involute extending from the connecting ring to the outer circle of the flow guide baffle, and the blades are uniformly arranged along the circumferential direction; the ventilation baffle is provided with a ventilation hole, so that the ventilation is facilitated; when the fan works, air can only enter from the vent holes of the ventilation baffle plate and then is thrown out along the direction of the blades.

The conductor rotor is made of aluminum, the outer circular surface of the conductor rotor is opposite to the permanent magnet rotor, the inner circular surface of the conductor rotor is evenly provided with ventilation grooves, and the end surface of the conductor rotor is provided with ventilation holes.

The axial section of the wind shield is of a Z-shaped structure, and a gap is formed between the wind shield and the inner end face and the inner circular face of the conductor rotor to guide air circulation.

Compared with the prior art, the utility model has the following advantages:

the utility model discloses a deep bead, impeller form effective wind channel, guide cold air entering conductor rotor to utilize the centrifugal force effect of impeller to throw away hot-air, form and last, efficient cooling effect, and fluting, increase heat radiating area on conductor rotor have improved the radiating efficiency of forced air cooling equipment greatly, simple structure, suitable using widely.

Drawings

FIG. 1 is a schematic view of the heat dissipation structure of the air-cooled permanent magnet speed regulator of the present invention;

FIG. 2 is a schematic structural view of an impeller;

FIG. 3 is a schematic view of a conductor rotor;

wherein: 1-a permanent magnet rotor; 2-an impeller; 21-a ventilation baffle; 22-a flow guide baffle; 23-a blade; 24-a connecting ring; 3-a conductor rotor; 4-wind shield.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1, an air-cooled permanent magnet speed regulator heat radiation structure includes permanent magnet rotor (1), impeller (2), conductor rotor (3) and deep bead (4), its characterized in that: the permanent magnet rotor (1) is of a sleeve type structure, and the impeller (2) is fixed on the outer end face of the permanent magnet rotor (1) and synchronously rotates along with the permanent magnet rotor (1); the conductor rotor (3) is of a sleeve type structure, is arranged in the permanent magnet rotor (1) and is concentrically sleeved with the permanent magnet rotor (1); the wind shield (4) is of a sleeve type structure, is fixed inside the conductor rotor (3), is concentrically sleeved with the conductor rotor (3), and synchronously rotates along with the conductor rotor (3). The end face of the permanent magnet rotor (1) is provided with a vent hole, so that air circulation is facilitated. The conductor rotor (3) is made of aluminum, the outer circular surface of the conductor rotor is opposite to the permanent magnet rotor (1), the inner circular surface of the conductor rotor is evenly provided with ventilation grooves, and the end surface of the conductor rotor is provided with ventilation holes.

As shown in fig. 2, the impeller (2) includes a ventilation baffle (21), a guide baffle (22), blades (23) and a connecting ring (24); the ventilation baffle (21) and the flow guide baffle (22) are both in circular ring structures and are arranged in parallel, and the inner circles are connected through a connecting ring (24); the blades (23) are arranged between the ventilation baffle (21) and the flow guide baffle (22), the shape of each blade (23) is an involute extending from the connecting ring (24) to the outer circle of the flow guide baffle (22), and the blades (23) are uniformly arranged along the circumferential direction; the ventilation baffle (21) is provided with a ventilation hole, so that air circulation is facilitated.

As shown in fig. 3, the wind deflector (4) has a zigzag cross section, and a gap is provided between the wind deflector and the inner end surface and the inner circumferential surface of the conductor rotor (3) to guide air flow.

During operation, cold air enters from the vent hole on the end face of the conductor rotor (3), exchanges heat with the conductor rotor through the vent groove of the conductor rotor (3) along the wind shield (4), then sequentially passes through the vent holes of the permanent magnet rotor (1) and the impeller (2), and is thrown out by the blades (23) of the impeller (2) to form continuous heat dissipation.

The above embodiments are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea provided by the present invention all fall within the protection scope of the present invention; the technology not related to the utility model can be realized by the prior art.

Claims

1. The utility model provides an air-cooled permanent magnet speed regulation ware heat radiation structure, includes permanent magnet rotor (1), impeller (2), conductor rotor (3) and deep bead (4), its characterized in that: the permanent magnet rotor (1) is of a sleeve type structure, and the impeller (2) is fixed on the outer end face of the permanent magnet rotor (1) and synchronously rotates along with the permanent magnet rotor (1); the conductor rotor (3) is of a sleeve type structure, is arranged in the permanent magnet rotor (1) and is concentrically sleeved with the permanent magnet rotor (1); the wind shield (4) is of a sleeve type structure, is fixed inside the conductor rotor (3), is concentrically sleeved with the conductor rotor (3), and synchronously rotates along with the conductor rotor (3).

2. The air-cooled permanent magnet speed regulator heat radiation structure of claim 1, characterized in that: the end face of the permanent magnet rotor (1) is provided with a ventilation hole, so that air circulation is facilitated.

3. The air-cooled permanent magnet speed regulator heat radiation structure of claim 1, characterized in that: the impeller (2) comprises a ventilation baffle (21), a flow guide baffle (22), blades (23) and a connecting ring (24); the ventilation baffle (21) and the flow guide baffle (22) are both in circular ring structures and are arranged in parallel, and the inner circles are connected through a connecting ring (24); the blades (23) are arranged between the ventilation baffle (21) and the flow guide baffle (22), the shape of each blade (23) is an involute extending from the connecting ring (24) to the outer circle of the flow guide baffle (22), and the blades (23) are uniformly arranged along the circumferential direction; the ventilation baffle (21) is provided with a ventilation hole, so that the air circulation is facilitated; in operation, air can only enter from the ventilation holes of the ventilation baffle plate (21) and then is thrown out along the direction of the blades (23).

4. The air-cooled permanent magnet speed regulator heat radiation structure of claim 1, characterized in that: the conductor rotor (3) is made of aluminum, the outer circular surface of the conductor rotor is opposite to the permanent magnet rotor (1), the inner circular surface of the conductor rotor is evenly provided with ventilation grooves, and the end surface of the conductor rotor is provided with ventilation holes.

5. The air-cooled permanent magnet speed regulator heat radiation structure of claim 1, characterized in that: the axial section of the wind shield (4) is of a Z-shaped structure, and a gap is formed between the wind shield and the inner end surface and the inner circular surface of the conductor rotor (3) to guide air circulation.