CN110855081A

CN110855081A - High-efficiency heat dissipation type permanent magnet motor shell

Info

Publication number: CN110855081A
Application number: CN201911224768.6A
Authority: CN
Inventors: 丁玉林; 陈前; 卜飞飞
Original assignee: JIANGSU SHILONG MOTOR CO Ltd
Current assignee: JIANGSU SHILONG MOTOR CO Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-02-28

Abstract

The invention discloses a high-efficiency heat dissipation type permanent magnet motor shell, and relates to the technical field of motors. The fan-shaped heat dissipation device comprises an outer shell and a fan, wherein a front end cover and an inner end cover are fixedly connected to two sides of the outer shell respectively, a plurality of heat dissipation fins are fixedly connected to the peripheral side surface of the outer shell in a fan shape, a heat dissipation box is fixedly connected to the top of the outer shell, an air outlet pipe and an air inlet pipe are fixedly connected to two ends of the heat dissipation box respectively in a penetrating mode, air collecting pipes are fixedly connected to one ends of the air outlet pipe and the air inlet pipe in a penetrating mode, a plurality of ventilation pipes are fixedly communicated to the inner side of each air collecting pipe, one ends. According to the invention, the hot air flow in the motor can be circularly sent into the heat dissipation box through the air collecting pipe, the heat dissipation box and the fan, the heat dissipation box performs heat dissipation and cooling on the hot air flow, and the heat dissipation fins can play a role in auxiliary heat dissipation.

Description

High-efficiency heat dissipation type permanent magnet motor shell

Technical Field

The invention belongs to the technical field of motors, and particularly relates to a permanent magnet motor shell.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor is represented by a letter M (old standard is represented by D) in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electrical appliances or various machines, the generator is represented by a letter G in the circuit, and the motor mainly has the function of converting mechanical energy into electric energy.

Permanent magnet machine extensively is used for modern industry, agriculture even business field, along with the progress of science and technology, the continuous renewal of motor, however, present permanent magnet machine still has the poor problem of radiating effect, current permanent magnet machine generally mainly relies on the fin on the motor housing to increase heat radiating area to reach radiating effect, but this kind of heat dissipation mode when the motor is operated under rated power for a long time, can not in time quick dispel the heat that the motor produced, cause the inside heat accumulation of motor, lead to the motor to burn easily.

Therefore, the invention designs a high-efficiency heat-dissipation type permanent magnet motor shell to solve the problems.

Disclosure of Invention

The invention aims to provide a high-efficiency heat dissipation type permanent magnet motor shell, hot air flow in a motor can be circularly sent into a heat dissipation box through a ventilation cavity through an air collecting pipe, the heat dissipation box and a fan, the heat dissipation box carries out heat dissipation and cooling on the hot air flow, and heat dissipation fins can play a role in auxiliary heat dissipation, so that the problem that the heat generated by the motor cannot be timely and quickly dissipated by the existing motor shell, the heat is accumulated in the motor, and the motor is easily burnt is solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a high-efficiency heat dissipation type permanent magnet motor shell which comprises a shell body and a fan, wherein a rotor and a stator core are arranged inside the shell body, and a rotating shaft is arranged inside the rotor;

the heat dissipation device comprises an outer shell, a fan-shaped fixing strip, a heat dissipation box, a front end cover, an inner end cover, a fan-shaped fixing strip, a fan-shaped heat dissipation fin, a fan-shaped fixing strip, a fan-shaped heat dissipation box and a fan-shaped heat dissipation box, wherein the front end cover and the inner end cover are fixedly connected to two sides of the outer shell respectively;

an air outlet pipe and an air inlet pipe are respectively fixed at two ends of the heat dissipation box in a penetrating manner, air collecting pipes are respectively fixed at one ends of the air outlet pipe and the air inlet pipe in a penetrating manner, a plurality of ventilation pipes are fixedly communicated with the inner side of each air collecting pipe, one ends of the ventilation pipes are fixedly communicated with the outer shell, and the fan is fixedly installed inside the heat dissipation box through a support;

four ventilation cavities are formed between the inner side face of the outer shell and the stator iron core.

Further, every group the inside of fixed strip is formed with an installation groove, stator core's week side personally submits fan-shaped rigid coupling and has four lugs, the lug is located inside the installation groove.

Furthermore, the wind collecting pipe is an annular round pipe, and the fan is electrically connected with the internal wiring of the motor junction box.

Furthermore, two ends of the rotating shaft respectively penetrate through the front end cover and the inner end cover.

Furthermore, the shell body and the heat dissipation fins are all members made of aluminum alloy materials, and the ventilation pipe, the air collecting pipe, the air inlet pipe, the air outlet pipe and the heat dissipation box are all members made of metal copper materials.

The invention has the following beneficial effects: according to the invention, hot air in the motor can be circularly sent into the heat dissipation box through the ventilation cavity through the air collection pipe, the heat dissipation box and the fan, the ventilation pipe made of metal copper, the air collection pipe, the air inlet pipe, the air outlet pipe and the heat dissipation box are used for carrying out heat dissipation and cooling on the hot air, and the heat dissipation fins can play a role in assisting heat dissipation.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a high-efficiency heat dissipation type permanent magnet motor shell according to the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention and the rotor and stator core when assembled;

FIG. 3 is a cross-sectional view of the present invention assembled with a rotor and stator core;

FIG. 4 is a schematic structural diagram of the outer casing of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-outer shell, 2-front end cover, 3-inner end cover, 4-rotating shaft, 5-heat dissipation box, 6-air outlet pipe, 7-air collection pipe, 8-ventilation pipe, 9-rotor, 10-ventilation cavity, 11-fan, 12-fixing strip, 13-fixing plate, 14-heat dissipation fin, 15-air inlet pipe and 16-stator iron core.

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.

Referring to fig. 1-4, the present invention is a high-efficiency heat dissipation type permanent magnet motor casing, including a casing 1 and a fan 11, wherein a rotor 9 and a stator core 16 are disposed inside the casing 1, and a rotating shaft 4 is disposed inside the rotor 9;

a front end cover 2 and an inner end cover 3 are fixedly connected to two sides of an outer shell 1 respectively, a plurality of radiating fins 14 are fixedly connected to the peripheral side surface of the outer shell 1 in a fan shape, four groups of fixing strips 12 are fixedly connected to the inner side surface of the outer shell 1 in a fan shape, an installation plate is fixedly connected to two sides of each group of fixing strips 12, and a radiating box 5 is fixedly connected to the top of the outer shell 1;

the both ends of heat dissipation box 5 link up respectively and are fixed with out tuber pipe 6 and air-supply line 15, and the one end that goes out tuber pipe 6 and air-supply line 15 all link up and is fixed with collection tuber pipe 7, and the inboard fixed intercommunication of collection tuber pipe 7 has a plurality of ventilation pipes 8, and the one end and the fixed intercommunication of shell body 1 of ventilation pipe 8, and fan 11 passes through support fixed mounting in the inside of heat dissipation box 5.

Four ventilation chambers 10 are formed between the inner side surface of the outer housing 1 and the stator core 16.

As shown in fig. 1, the wind collecting pipe 7 is an annular circular pipe, the fan 11 is electrically connected to the internal wiring of the motor junction box, two ends of the rotating shaft 4 respectively penetrate through the front end cover 2 and the inner end cover 3, the outer shell 1 and the heat dissipation fins 14 are all members made of aluminum alloy, and the ventilation pipe 8, the wind collecting pipe 7, the air inlet pipe 15, the air outlet pipe 6 and the heat dissipation box 5 are all members made of metal copper.

As shown in fig. 2, a mounting groove is formed inside each group of fixing strips 12, four protruding blocks are fixedly connected to the circumferential surface of the stator core 16 in a fan shape, and the protruding blocks are located inside the mounting groove.

One specific application of this embodiment is: after the motor is started, because the fan 11 is electrically connected with the internal wiring of the motor junction box, the fan 11 can be started along with the motor, under the action of the fan 11, the hot airflow in the ventilation cavity 10 can be collected into the air collecting pipe 7 through the ventilation pipe 8, finally enters the heat dissipation box 5 through the air inlet pipe 15, the airflow after heat dissipation and cooling enters the air collecting pipe 7 at the other end again through the air outlet pipe 6, and flows back to the ventilation cavity 10 through the ventilation pipe 8, the ventilation pipe 8 made of metal copper materials, the air collecting pipe 7, the air inlet pipe 15, the air outlet pipe 6 and the heat dissipation box 5 are used for heat dissipation and cooling of the hot airflow, the heat dissipation fins 14 can play a role in assisting heat dissipation, and efficient and quick heat dissipation of the.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a high-efficient heat dissipation formula permanent magnet motor shell, includes shell body (1), the inside of shell body (1) is equipped with rotor (9) and stator core (16), the inside of rotor (9) is equipped with pivot (4), its characterized in that: also comprises a fan (11);

a front end cover (2) and an inner end cover (3) are fixedly connected to two sides of the outer shell (1) respectively, a plurality of radiating fins (14) are fixedly connected to the peripheral side surface of the outer shell (1) in a fan shape, four groups of fixing strips (12) are fixedly connected to the inner side surface of the outer shell (1) in a fan shape, an installation plate is fixedly connected to two sides of each group of fixing strips (12), and a radiating box (5) is fixedly connected to the top of the outer shell (1);

an air outlet pipe (6) and an air inlet pipe (15) are respectively fixedly communicated with two ends of the heat dissipation box (5), an air collecting pipe (7) is fixedly communicated with one ends of the air outlet pipe (6) and the air inlet pipe (15), a plurality of ventilation pipes (8) are fixedly communicated with the inner side of the air collecting pipe (7), one ends of the ventilation pipes (8) are fixedly communicated with the outer shell (1), and the fan (11) is fixedly arranged in the heat dissipation box (5) through a support;

four ventilation cavities (10) are formed between the inner side face of the outer shell (1) and the stator iron core (16).

2. The casing of the efficient heat dissipation type permanent magnet motor according to claim 1, wherein a mounting groove is formed inside each group of the fixing bars (12), four convex blocks are fixedly connected to the circumferential side surface of the stator core (16) in a fan shape, and the convex blocks are located inside the mounting groove.

3. The casing of the efficient heat dissipation type permanent magnet motor as claimed in claim 1, wherein the air collection pipe (7) is an annular circular pipe, and the fan (11) is electrically connected with an internal wiring of a motor junction box.

4. A casing of a high efficiency heat dissipation type permanent magnet motor according to claim 1, wherein two ends of the rotating shaft (4) respectively penetrate through the front end cover (2) and the inner end cover (3).

5. The efficient heat dissipation type permanent magnet motor shell according to claim 1, wherein the shell body (1) and the heat dissipation fins (14) are both members made of aluminum alloy, and the ventilation pipe (8), the air collection pipe (7), the air inlet pipe (15), the air outlet pipe (6) and the heat dissipation box (5) are all members made of metal copper materials.