CN216290563U

CN216290563U - Cooling device for front shaft end cover of motor

Info

Publication number: CN216290563U
Application number: CN202122904853.6U
Authority: CN
Inventors: 郭铖; 陈惠斌; 刘畅; 孙盼军; 陈国鑫
Original assignee: Huaneng Zuoquan Coal Power Co ltd
Current assignee: Huaneng Zuoquan Coal Power Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-12
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the technical field of motor equipment, in particular to a motor front shaft end cover cooling device which comprises a motor main body, wherein a rear end cover is fixed on the rear side of the motor main body, a front end cover is fixed on the front side of the motor main body, one side of the motor main body, which is positioned on the front end cover, penetrates through the front end cover and is connected with an output shaft, a cooling structure is arranged on the left side inside the front end cover, the cooling structure comprises a cooling pipe and a plurality of radiating fins which are arranged inside the front end cover, a radiating fan is arranged inside the front end cover on the right side of the cooling structure, a cooling medium is added into the cooling pipe through a liquid inlet through the arranged cooling structure and the radiating fan, the cooling medium exchanges heat with the heat inside of the front end cover to achieve the purpose of cooling, the heat is timely discharged through the radiating fins and the radiating fan to avoid the heat from being accumulated inside the front end cover, so that the device is more efficient to use.

Description

Cooling device for front shaft end cover of motor

Technical Field

The utility model relates to the technical field of motor equipment, in particular to a cooling device for a front shaft end cover of a motor.

Background

Electric motors are widely used in various aspects of modern life to convert electric energy into mechanical energy. In the working process of the motor, the motor is often damaged or destroyed due to overhigh temperature rise caused by abnormal working state. Three-phase asynchronous motors can be generally classified into normal heat generation and abnormal heat generation. When the motor normally operates, stator and rotor winding loss, stator and rotor iron loss, stator and rotor transmission loss, stray loss and the like exist, the motor normally generates heat, and the motor generates heat stably after a period of time. The causes of abnormal heat generation are many, such as: overcurrent due to frequent start, overcurrent due to overload, phase current/voltage imbalance, insulation aging, poor heat dissipation, and the like.

When the motor is in an operating state, a large amount of heat is easily accumulated in the front shaft end cover, and the heat accumulated in the front shaft end cover cannot be effectively treated due to the fact that the front shaft end cover lacks of a heat dissipation device, so that the service life and the service efficiency of the whole motor can be influenced after the motor is used for a long time.

Therefore, it is necessary to design a cooling device for a front shaft cover of a motor to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a cooling device for a front shaft cover of a motor, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a motor front axle end cover cooling device, includes the motor main part, the rear side of motor main part is fixed with the rear end cap, the front side of motor main part is fixed with the front end cap, one side that the motor main part is located the front end cap is run through the front end cap and is connected with the output shaft, cooling structure is installed in the inside left side of front end cap, cooling structure is including installing in the inside cooling tube and a plurality of radiating fin of front end cap, the internally mounted that the right side of cooling structure is located the front end cap has radiator fan, the right side fixed mounting of front end cap has the fixed cover, a plurality of radiating grooves have been seted up on the surface of fixed cover.

As a preferable aspect of the present invention, the cooling pipe extends in an annular structure and is embedded inside the plurality of radiating fins, and the cooling pipe has a spiral annular structure as a whole.

As a preferable scheme of the present invention, the head of the cooling tube is connected with a liquid inlet, the tail of the cooling tube is connected with a liquid outlet, the liquid inlet and the liquid outlet respectively penetrate through the top and the bottom of the front end cover, and both the liquid inlet and the liquid outlet are hermetically connected with a sealing plug.

As a preferable aspect of the present invention, the internal driving groove of the heat dissipation fan is keyed to an output shaft of the motor main body, and the heat dissipation fan rotates synchronously with the output shaft.

As a preferable scheme of the present invention, the fixing cover and the front end cover are engaged and fixedly connected by a bolt, the heat dissipation groove is circumferentially provided on the surface of the fixing cover, and the heat dissipation groove has a fan-shaped structure.

As a preferable scheme of the present invention, a temperature sensor for monitoring a temperature change is installed on an inner wall of the front end cover, a controller is installed on a base surface of the motor main body, a display is embedded above the base surface of the controller, and the temperature sensor is electrically connected to the controller and the display.

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

1. according to the utility model, through the arranged cooling structure and the cooling fan, the cooling medium can be added to the cooling pipe through the liquid inlet before the motor main body runs, the cooling medium exchanges heat with the heat in the front end cover to achieve the cooling purpose, and the heat is timely discharged through the cooling fins and the cooling fan, so that the heat is prevented from being accumulated in the front end cover, and the equipment is more efficient in use.

2. According to the utility model, through the arrangement of the temperature sensor, the controller and the display, the output shaft of the motor can be controlled to rotate through the controller, the temperature inside the front end cover is monitored through the temperature sensor and synchronously displayed on the display, so that a user can conveniently check the temperature, and the equipment is more convenient to use.

Drawings

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

FIG. 2 is an exploded view of the retaining cap and front end cap of the present invention;

FIG. 3 is a schematic view of the internal cooling structure of the front end cover of the present invention;

FIG. 4 is a schematic view of a cooling tube configuration of the present invention;

in the figure: 1. a motor main body; 101. a rear end cap; 102. a front end cover; 1021. a temperature sensor; 1022. a controller; 1023. a display; 103. an output shaft; 104. a cooling structure; 1041. a cooling tube; 1042. a heat dissipating fin; 1043. a heat radiation fan; 1044. a fixed cover; 1045. a heat sink; 1046. a liquid inlet; 1047. and a liquid outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

a motor front shaft end cover cooling device comprises a motor body 1, a rear end cover 101 is fixed on the rear side of the motor body 1, a front end cover 102 is fixed on the front side of the motor body 1, one side of the motor body 1, which is positioned on the front end cover 102, penetrates through the front end cover 102 and is connected with an output shaft 103, a cooling structure 104 is installed on the left side inside the front end cover 102, the cooling structure 104 comprises a cooling pipe 1041 and a plurality of radiating fins 1042 which are installed inside the front end cover 102, a radiating fan 1043 is installed inside the front end cover 102 on the right side of the cooling structure 104, a fixed cover 1044 is fixedly installed on the right side of the front end cover 102, a plurality of radiating grooves 1045 are formed in the surface of the fixed cover 1044, through the arrangement of the cooling structure 104 and the radiating fan 1043, heat inside the front end cover 102 is exchanged through a cooling medium, the cooling purpose is achieved, and the heat is timely discharged through the radiating fins 1042 and the radiating fan 1043, heat is prevented from being accumulated inside the front cover 102, and the heat dissipation effect of the front cover 102 is improved.

In an embodiment, referring to fig. 1, 2, 3, and 4, a cooling tube 1041 extends in an annular structure and is embedded inside a plurality of heat dissipating fins 1042, the cooling tube 1041 is integrally in a spiral annular structure, a liquid inlet 1046 is connected to a head of the cooling tube 1041, a liquid outlet 1047 is connected to a tail of the cooling tube 1041, the liquid inlet 1046 and the liquid outlet 1047 respectively penetrate through a top and a bottom of the front end cap 102, a sealing plug is hermetically connected to both the liquid inlet 1046 and the liquid outlet 1047, an internal driving slot of the cooling fan 1043 is connected to the output shaft 103 of the motor main body 1 through a key, the cooling fan 1043 rotates synchronously with the output shaft 103, the fixing cap 1044 and the front end cap 102 are fastened and fixedly connected through a bolt, a cooling slot 1045 is circumferentially arranged on a surface of the fixing cap 1044, the cooling slot 1045 is in a fan-shaped structure, through the cooling structure 104 and the cooling fan 1043, when in actual use, a cooling medium can be added to the cooling tube 1041 through the liquid inlet 1046 before the motor main body 1 runs, the cooling medium is located that cooling tube 1041 of spiral annular structure flows, at the in-process that flows, exchange through the inside heat of cooling medium and front end housing 102, reach refrigerated purpose, meanwhile, discharge heat in time through radiating fin 1042 and radiator fan 1043, avoid the heat gathering inside front end housing 102, be used for discharging cooling medium through liquid outlet 1047, can overhaul the inside of front end housing 102 through dismantling fixed lid 1044, make more high-efficient during the equipment use.

In an embodiment, referring to fig. 1 and fig. 3, a temperature sensor 1021 for monitoring temperature changes is installed on an inner wall of the front end cover 102, a controller 1022 is installed on a base surface of the motor main body 1, a display 1023 is embedded and installed above the base surface of the controller 1022, the temperature sensor 1021, the controller 1022 and the display 1023 are electrically connected, the output shaft 103 of the motor can be controlled to rotate by the controller 1022 through the temperature sensor 1021, the temperature inside the front end cover 102 is monitored by the temperature sensor 1021, and the temperature is synchronously displayed on the display 1023, so that a user can check the temperature sensor 1021, and the device is more convenient to use.

The working principle is as follows: when in use, a cooling medium can be added to the cooling pipe 1041 through the liquid inlet 1046 before the motor main body 1 runs, the cooling medium flows in the cooling pipe 1041 with the spiral annular structure, during the flowing process, the cooling medium exchanges heat with the inside of the front end cover 102, so as to achieve the cooling purpose, and at the same time, the heat is discharged in time through the heat dissipating fins 1042 and the heat dissipating fan 1043, so that the heat is prevented from being accumulated inside the front cover 102, the cooling medium is discharged through the liquid outlet 1047, the inside of the front end cap 102 can be repaired by detaching the fixing cap 1044, by providing the temperature sensor 1021, the controller 1022 and the display 1023, therefore, the output shaft 103 of the motor can be controlled to rotate by the controller 1022, the temperature inside the front end cover 102 is monitored by the temperature sensor 1021, and the temperature is synchronously displayed on the display 1023, so that a user can check the temperature conveniently, and the electric motor has certain popularization value.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A motor front shaft end cover cooling device comprises a motor main body (1), and is characterized in that: the rear side of motor main part (1) is fixed with rear end housing (101), the front side of motor main part (1) is fixed with front end housing (102), one side that motor main part (1) is located front end housing (102) runs through front end housing (102) and is connected with output shaft (103), cooling structure (104) are installed to the inside left side of front end housing (102), cooling structure (104) are including installing in inside cooling tube (1041) and a plurality of radiating fin (1042) of front end housing (102), the internally mounted that the right side of cooling structure (104) is located front end housing (102) has radiator fan (1043), the right side fixed mounting of front end housing (102) has fixed cover (1044), a plurality of radiating grooves (1045) have been seted up on the surface of fixed cover (1044).

2. A motor front axle head cover cooling arrangement as claimed in claim 1, wherein: the cooling pipe (1041) extends in an annular structure and is embedded inside the plurality of radiating fins (1042), and the whole cooling pipe (1041) is in a spiral annular structure.

3. A motor front axle head cover cooling arrangement as claimed in claim 1, wherein: the head of the cooling pipe (1041) is connected with a liquid inlet (1046), the tail of the cooling pipe (1041) is connected with a liquid outlet (1047), the liquid inlet (1046) and the liquid outlet (1047) respectively penetrate through the top and the bottom of the front end cover (102), and the liquid inlet (1046) and the liquid outlet (1047) are both connected with sealing plugs in a sealing mode.

4. A motor front axle head cover cooling arrangement as claimed in claim 1, wherein: the internal driving groove of the heat dissipation fan (1043) is connected with the output shaft (103) of the motor main body (1) through a key, and the heat dissipation fan (1043) synchronously rotates along with the output shaft (103).

5. A motor front axle head cover cooling arrangement as claimed in claim 1, wherein: the fixed cover (1044) and the front end cover (102) are clamped and fixedly connected through bolts, the heat dissipation groove (1045) is arranged on the surface of the fixed cover (1044) in a surrounding mode, and the heat dissipation groove (1045) is of a fan-shaped structure.

6. A motor front axle head cover cooling arrangement as claimed in claim 1, wherein: install temperature sensor (1021) that are used for monitoring the temperature variation on the inner wall of front end housing (102), install controller (1022) on the base surface of motor main part (1), embedded display (1023) of installing in the base surface top of controller (1022), temperature sensor (1021) and controller (1022), display (1023) electric connection.