CN219999180U

CN219999180U - Dual-channel heat dissipation generator

Info

Publication number: CN219999180U
Application number: CN202321501450.XU
Authority: CN
Inventors: 苑振峰; 高磊
Original assignee: Zibo Kainuo Electromechanical Co ltd
Current assignee: Zibo Kainuo Electromechanical Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-11-10
Anticipated expiration: 2033-06-13

Abstract

The utility model belongs to the technical field of generators, and in particular relates to a double-channel heat-dissipation generator which comprises a shell, wherein the front end of the shell is fixedly connected with a front end cover, the rear end of the shell is fixedly connected with a rear end cover, a stator assembly and a rotor assembly are assembled in the shell, an air gap is formed between the stator assembly and the rotor assembly, and the double-channel heat-dissipation generator is characterized in that: the front end cover is provided with a front vent hole, the rear end cover is provided with a rear vent hole, and the front end of the air gap is communicated with the front vent hole and the rear end of the air gap is communicated with the rear vent hole; more than three ventilation grooves are circumferentially distributed on the inner wall of the casing, and the front ends of the ventilation grooves are communicated with the front ventilation holes, and the rear ends of the ventilation grooves are communicated with the rear ventilation holes. The utility model can realize rapid heat dissipation and effectively reduce the working temperature of the motor.

Description

Dual-channel heat dissipation generator

Technical Field

The utility model belongs to the technical field of generators, and particularly relates to a dual-channel heat dissipation generator.

Background

With the continuous innovative development of modern industrial technology, the requirements on the high reliability and long service life performance of the generator are continuously improved, and if the generator heats seriously in the working process, the effect of reducing the efficiency and the service life of the generator is caused, so that how to quickly and effectively dissipate heat is a long-term important concern in the field of generators. The traditional generator generally adopts an external heat dissipation mode, for example, a quick heat dissipation type generator is disclosed in Chinese patent application number 201420777290.6, heat dissipation ribs are arranged on a motor shell, an impeller is arranged on a rotating shaft, and the heat dissipation ribs are air-cooled through the impeller, so that the heat dissipation of the motor shell is realized. The structure can only radiate heat on the outer surface of the motor, but as is well known, the heat of the generator in the working process is mainly generated by energizing the coil, so that the heat is mainly sourced from the inside of the motor, and the problem of heat radiation of the generator is difficult to fundamentally solve only by external heat radiation.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a double-channel heat dissipation generator which can realize rapid heat dissipation and effectively reduce the working temperature of a motor.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a binary channels radiating generator, includes the casing, casing front end fixed connection front end housing, rear end fixed connection rear end cap, is equipped with stator module and rotor subassembly in the casing, has the air gap between stator module and the rotor subassembly, its characterized in that: the front end cover is provided with a front vent hole, the rear end cover is provided with a rear vent hole, and the front end of the air gap is communicated with the front vent hole and the rear end of the air gap is communicated with the rear vent hole; more than three ventilation grooves are circumferentially distributed on the inner wall of the casing, and the front ends of the ventilation grooves are communicated with the front ventilation holes, and the rear ends of the ventilation grooves are communicated with the rear ventilation holes.

Further, the ventilation grooves are uniformly distributed along the circumferential direction of the inner wall of the casing, assembly bars are arranged between two adjacent ventilation grooves and used for assembling the stator assembly, and the width of each ventilation groove is larger than that of each assembly bar.

Further, the outer wall of the stator assembly is provided with a plurality of positioning grooves, and at least one positioning groove is communicated with the ventilation groove.

Further, the positioning groove and the ventilation groove are parallel to the axial direction of the stator assembly.

Further, the rotor assembly comprises a rotating shaft, the rotating shaft is rotatably connected to the front end cover and the rear end cover, and the rear end of the rotating shaft is fixedly connected with an impeller.

Further, the impeller is an axial flow impeller.

Further, the impeller outside cover is equipped with the ventilation hood, and ventilation hood fixed connection is on the rear end cover, has evenly seted up the fresh air inlet on the rear wall of ventilation hood.

Further, the air inlet hole is covered with a filter screen, and the filter screen is fixedly connected to the ventilation hood.

Further, the front vent hole is covered with a protective cover, and the protective cover is uniformly provided with air outlet holes.

Further, the protection casing is fixedly connected to the inner side of the front end cover.

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

1. because the front end of the air gap between the stator component and the rotor component is communicated with the front vent hole, and the rear end of the air gap is communicated with the rear vent hole, the air gap forms a first air channel penetrating through the generator; because the ventilation groove has been seted up to the casing inner wall, ventilation groove front end intercommunication ventilation hole, rear end intercommunication back ventilation hole for formed the second ventilation channel that runs through whole generator between stator module and the casing, first ventilation channel and second ventilation channel can dispel the heat to stator module's inboard and outside simultaneously, have improved the inside thermal efficiency of dispersing of generator greatly, thereby effectively guarantee the work efficiency of motor, reduction operating temperature.

2. Because the width of ventilation groove is greater than the width of assembly strip, after stator module assembly is accomplished, can guarantee that stator module stably assembles in the casing, can increase the ventilation area in the stator module outside again, further improves the holistic radiating efficiency of motor.

3. Because a plurality of positioning grooves are formed in the outer wall of the stator assembly, at least one positioning groove is communicated with the ventilation groove, and the positioning groove penetrates into the stator assembly, so that the ventilation area of the outer wall of the stator assembly is further enlarged, and the heat dissipation efficiency is further improved.

4. Because the positioning groove and the ventilation groove are parallel to the axial direction of the stator assembly, cooling air can circulate along the axial direction of the motor after entering the ventilation groove and the positioning groove, the resistance of the cooling air is reduced, and the heat dissipation efficiency is improved.

5. Because the impeller is fixedly connected to the rear end of the rotating shaft, the impeller can provide powerful cooling air for the motor, so that the air circulation speed in the motor is further improved, and the heat dissipation efficiency is improved.

6. Because the impeller adopts the axial flow impeller, the ventilation direction inside the motor can be axial, so that the heat of the motor can continuously circulate along the air gap between the ventilation groove and the rotor assembly rapidly and smoothly, and the heat dissipation efficiency of the motor is further improved.

7. Because the ventilation hood is arranged on the outer side of the impeller, the ventilation hood can protect the impeller from normal operation, and avoid the influence of sundries on the normal operation of the motor due to the contact of the impeller, and simultaneously, the ventilation hood can also protect staff from being damaged by the impeller.

8. Because the air inlet of ventilation hood department is provided with the filter screen, impurity in the filter screen can effective filtration air avoids impurity entering motor inside and influences the normal operating of motor and damage the motor even, effectively prolongs motor life.

9. Because the front vent hole is covered with the protective cover, the protective cover is positioned on the inner side of the front vent hole, and the protective cover can prevent sundries from entering the motor from the front of the motor, thereby providing further protection effect for the motor.

10. The utility model has simple structure and strong universality, can effectively improve the heat dissipation efficiency of the generator, and is worth popularizing and using in industry.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;

FIG. 5 is a schematic view of the cross-sectional structure B-B in FIG. 3;

fig. 6 is an enlarged schematic view of the structure of the section I in fig. 5.

Marked in the figure as:

1. a housing; 10. a ventilation groove; 11. assembling the strip; 2. a stator assembly; 20. a positioning groove; 3. a rotor assembly; 30. a rotating shaft; 4. a front end cover; 40. a front vent; 5. a rear end cover; 50. a rear vent; 6. an impeller; 7. a ventilation hood; 70. an air inlet hole; 8. a protective cover; 80. and an air outlet hole.

Detailed Description

In the embodiment, the direction along the axial direction towards the motor output end is defined as the front, and the direction along the axial direction away from the motor output end is defined as the rear; the direction towards the motor center is defined as inner, whereas the direction away from the motor center is defined as outer.

The utility model is further described below with reference to the accompanying examples:

as shown in fig. 1 to 6, the present utility model provides a dual-channel heat dissipation generator, in which a stator assembly 2 and a rotor assembly 3 are assembled in a casing 1, and an air gap is provided between the stator assembly 2 and the rotor assembly 3. The front end of the shell 1 is fixedly connected with the front end cover 4, the rear end is fixedly connected with the rear end cover 5, the front end cover 4 is provided with a front vent hole 40, the rear end cover 5 is provided with a rear vent hole 50, the front end of the air gap is communicated with the front vent hole 40, the rear end of the air gap is communicated with the rear vent hole 50, the front vent hole 40, the air gap and the rear vent hole 50 are mutually communicated, and a first ventilation channel inside the generator is formed.

More than three ventilation grooves 10 are uniformly distributed along the circumferential direction of the inner wall of the casing 1, the front ends of the ventilation grooves 10 are communicated with the front ventilation holes 40, the rear ends of the ventilation grooves 10 are communicated with the rear ventilation holes 50, so that the front ventilation holes 40, the ventilation grooves 10 and the rear ventilation holes 50 are mutually communicated to form a second ventilation channel inside the generator. The assembly strips 11 are arranged between two adjacent ventilation slots 10, the assembly strips 11 are used for assembling the stator assembly 2, the width of each ventilation slot 10 is larger than that of each assembly strip 11, the stability of assembling the stator assembly 2 can be guaranteed, the ventilation area can be increased, and the ventilation efficiency is improved. The outer wall of the stator assembly 2 is provided with a plurality of positioning grooves 20, at least one positioning groove 20 is communicated with the ventilation groove 10, and the heat dissipation area of the stator assembly 2 is further increased.

The center of the rotor assembly 3 is fixedly penetrated by a rotating shaft 30, and the rotating shaft 30 penetrates through the shell 1 and is rotationally connected to the front end cover 4 and the rear end cover 5 through bearings. The rear end of the rotating shaft 30 is fixedly connected with an impeller 6, and in order to improve the ventilation efficiency of the impeller 6, an axial flow impeller is adopted in the embodiment. The impeller 6 can provide powerful cooling air for the inside of the motor, improves the air circulation speed in the inside of the motor, and improves the heat dissipation efficiency. The outside of the impeller 6 is provided with a ventilation hood 7, the ventilation hood 7 is fixedly connected to the rear end cover 5, the rear wall of the ventilation hood 7 is uniformly provided with air inlet holes 70, and the ventilation hood 7 can play a protective role on the impeller 6. A filter screen is arranged on the inner side of the air inlet 70 and is fixedly connected to the ventilation hood 7. The filter screen may be disposed outside the air inlet 70 as long as the effect of filtering the foreign substances can be achieved. The front end cover 4 on the inner side of the front vent hole 40 is fixedly provided with a protective cover 8, and the protective cover 8 is uniformly provided with air outlet holes 80. The protection cover 8 may be provided outside the front vent hole 40 as long as it can protect the motor.

The working principle and the specific implementation mode of the utility model are as follows:

in the working process of the motor, the impeller 6 rotates along with the rotating shaft 30 to drive cold air to enter through the air inlet 70 on the ventilation hood 7, and the filter screen can filter impurities in the air to avoid the impurities from entering the motor to affect the normal operation of the motor. The cool air enters the interior of the casing 1 through the rear vent hole 50, then enters the first air passage and the second air passage respectively, and flows forward, and can take away heat generated by the stator assembly 2 and the rotor assembly 3 while flowing. The heat exchanged air continues to flow forward and out of the motor through the air outlet 80 and the front vent 40. Through continuous air flow, synchronous and rapid heat dissipation of the rotor assembly 3 and the stator assembly 2 is realized, and the overall heat dissipation efficiency of the motor is greatly improved.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. Any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model are possible without departing from the technical substance of the present utility model.

Claims

1. The utility model provides a binary channels radiating generator, includes the casing, casing front end fixed connection front end housing, rear end fixed connection rear end cap, is equipped with stator module and rotor subassembly in the casing, has the air gap between stator module and the rotor subassembly, its characterized in that: the front end cover is provided with a front vent hole, the rear end cover is provided with a rear vent hole, and the front end of the air gap is communicated with the front vent hole and the rear end of the air gap is communicated with the rear vent hole; more than three ventilation grooves are circumferentially distributed on the inner wall of the casing, and the front ends of the ventilation grooves are communicated with the front ventilation holes, and the rear ends of the ventilation grooves are communicated with the rear ventilation holes.

2. The dual channel heat sink generator of claim 1 wherein: the ventilation grooves are uniformly distributed along the circumference of the inner wall of the machine shell, assembly bars are arranged between two adjacent ventilation grooves and used for assembling the stator assembly, and the width of each ventilation groove is larger than that of each assembly bar.

3. A dual channel heat sink generator as defined in claim 2 wherein: the outer wall of the stator assembly is provided with a plurality of positioning grooves, and at least one positioning groove is communicated with the ventilation groove.

4. A dual channel heat sink generator as claimed in claim 3 wherein: the positioning groove and the ventilation groove are parallel to the axial direction of the stator assembly.

5. A dual channel heat sink generator according to any one of claims 1 to 4, wherein: the rotor assembly comprises a rotating shaft, the rotating shaft is rotationally connected to the front end cover and the rear end cover, and the rear end of the rotating shaft is fixedly connected with an impeller.

6. The dual channel heat sink generator of claim 5 wherein: the impeller is an axial flow impeller.

7. The dual channel heat sink generator of claim 5 wherein: the impeller outside cover is equipped with the ventilation hood, and ventilation hood fixed connection is on the rear end cover, evenly has seted up the fresh air inlet on the rear wall of ventilation hood.

8. The dual channel heat sink generator of claim 7 wherein: the air inlet hole is covered with a filter screen which is fixedly connected to the ventilation hood.

9. A dual channel heat sink generator according to any one of claims 1 to 4, wherein: the front vent holes are covered with a protective cover, and the protective cover is uniformly provided with air outlet holes.

10. The dual channel heat sink generator of claim 9 wherein: the protective cover is fixedly connected to the inner side of the front end cover.