CN219227375U

CN219227375U - High-voltage motor

Info

Publication number: CN219227375U
Application number: CN202223492515.7U
Authority: CN
Inventors: 朱连超; 师帅鹏; 黄森
Original assignee: Shanxi Anlun Chemical Co ltd
Current assignee: Shanxi Anlun Chemical Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-20
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the technical field of motors, in particular to a high-voltage motor. The novel high-voltage motor comprises a machine shell, a motor body, a heat exchanger and an outer fan, wherein the shaft extension end of a rotating shaft of the motor body extends outwards from one side wall of the machine shell, an air inlet area is arranged between the other side wall of the machine shell and the motor body as well as between the motor body and the heat exchanger, and an air inlet is formed in the other side wall of the machine shell. The structure of the air guide partition board matched with the ventilation fan and the guide folded plate is skillfully adopted, so that the problem of overhigh temperature of the motor stator winding and the bearing for a long time is solved, and the heat dissipation effect of the high-voltage motor is improved; meanwhile, the structure is simple, the cost is low and the implementation is easy.

Description

High-voltage motor

Technical Field

The utility model relates to the technical field of motors, in particular to a high-voltage motor.

Background

With the progress of science and technology and the improvement of industrial level, social productivity is also unprecedented, electric motors are developed along with the development of productivity, and meanwhile, the development of electric motors also promotes the continuous improvement of social productivity, and electric motors have been developed for many years in various forms and functions, wherein high-voltage electric motors have the advantages of high power, strong impact bearing capability and the like, and have been widely applied to various fields.

The high-voltage motor can produce heat in the course of the work, make the fuselage generate heat, if not in time dispel the heat and cool, probably can make the inside circuit of high-voltage motor burn out, influence the normal work and the life of high-voltage motor, so the motor body top of current high-voltage motor all has a heat exchanger that is used for radiating, as shown in fig. 1, the concrete structure of high-voltage motor includes casing 1, motor body 2 and heat exchanger 3 that are located in casing 1, heat exchanger 3 is fixed in the top side of motor body 2 in parallel, the shaft extension end of the pivot of motor body 2 extends in a side wall of casing 1 (a side wall of casing 1 is right side wall as shown in the drawing, the left side wall of casing 1 is shown in the drawing), be equipped with the air inlet region between another side wall of casing 1 and motor body 2, heat exchanger 3, the outer fan 6 that is located the air inlet region is installed to the non-shaft extension end of the pivot of motor body 2 and the interior fan 5 that is located inside of motor body 2, the other side wall of casing 1 opens the air intake 4 that corresponds with outer fan 6 position, the side wall of casing 1 has the motor body that is fit for motor body 3, when the heat pipe wall that is taken away from the heat pipe heat exchanger 2 is carried away to the heat pipe heat exchange body from the heat pipe heat exchange 1 when the heat exchange body is carried out to the heat pipe heat exchange body through the heat exchange pipe heat exchange 2, heat exchange pipe heat exchange 1 is carried out from the heat pipe heat exchange pipe heat outside the heat pipe 1 to the heat pipe heat to the heat exchange body after the heat exchange pipe 1. Because the cooling air entering from the air inlet 4 is limited, most of the cooling air can enter the lower area of the heat exchanger 3, which is close to the motor body 2, and less cooling air enters the upper area of the heat exchanger 3, which is far away from the motor body 2, so that heat in the upper area of the heat exchanger 3 cannot be normally dissipated through the cooling air, and heat cannot be accumulated for a long time to dissipate heat in time, thus easily causing high-voltage motor faults.

If the high-voltage motor supplies water to the boiler, the normal operation of the boiler system is ensured by continuously supplying water to the boiler in the boiler system, and as the high-voltage motor equipment is generally installed in a machine room, in the operation of the high-voltage motor, the temperature in the machine room is between 40 ℃ and 45 ℃, the heat dissipation requirement of the existing high-voltage motor cannot be met, so that the temperature of a motor stator winding is over 100 ℃ for a long time and the temperature of a bearing is about 85 ℃, the insulation of a motor body is easy to cause great damage, and the dry burning and water shortage safety accident of the boiler can be caused after the motor body fails.

Disclosure of Invention

The utility model provides a novel high-voltage motor for solving the problem of poor heat dissipation effect of the existing high-voltage motor.

The utility model is realized by adopting the following technical scheme: the utility model provides a high-voltage motor, which comprises a housing, a motor body, the heat exchanger, the outer fan, the shaft extension end of motor body pivot is overhanging one lateral wall of casing, be equipped with the air inlet region between another lateral wall of casing and motor body, the heat exchanger, another lateral wall of casing is opened there is the air intake, be equipped with the cooling air that will outer fan follow the air intake to introduce in the air inlet region is whole (known to skilled in the art, here is whole not absolute, the cooling air that outer fan was introduced from the air intake no longer gets into the upper half region of heat exchanger, directly whole lower half region that gets into of heat exchanger, the air guide baffle not only plays the effect that blocks cooling air and gets into the upper half region of heat exchanger, but also play the effect that guides the air to the lower half region of heat exchanger) the air guide baffle that leads into the lower half region of heat exchanger, the ventilation fan that is used for carrying cooling air for the upper half region of heat exchanger is installed to the upper portion of another lateral wall of casing.

Working principle: under the action of an external fan, cooling air enters from the air inlet and is guided into the lower half area of the heat exchanger through the guide partition plate, and is discharged after heat exchange; under the effect of the ventilation fan, the upper half area of the heat exchanger is effectively radiated, so that heat accumulation in the upper half area of the heat exchanger is avoided, and the overall radiating effect of the high-voltage motor is improved.

Further, a guiding folded plate for guiding the wind from the heat exchanger to the shaft extension end of the motor body is fixed on the upper part of one side wall of the shell, and the wind blown out by the heat exchanger is directly blown to the shaft extension end of the motor body, so that the motor bearing is forced to dissipate heat, and the heat dissipation effect of the motor bearing is improved.

The beneficial effects of the utility model are as follows: the structure of the air guide partition board matched with the ventilation fan and the guide folded plate is skillfully adopted, so that the problem of overhigh temperature of the motor stator winding and the bearing for a long time is solved, and the heat dissipation effect of the high-voltage motor is improved; meanwhile, the structure is simple, the cost is low and the implementation is easy; in addition, when the high-voltage motor is applied to a boiler system, the ideal state that the temperature of a motor stator winding is not more than 80 ℃ in summer and the temperature of a motor bearing is not more than 65 ℃ is achieved, and the stable and normal operation of the boiler is ensured.

Drawings

Fig. 1 is a schematic structural view of a conventional high-voltage motor;

fig. 2 is a schematic diagram of the overall structure of the present utility model.

In the figure: 1-casing, 2-motor body, 3-heat exchanger, 4-air intake, 5-interior fan, 6-outer fan, 7-air guide baffle, 8-ventilation fan, 9-guide folded plate.

Detailed Description

As shown in fig. 2, a high-voltage motor includes a casing 1, a motor body 2, a heat exchanger 3, and an outer fan 6, where an axial end of a rotating shaft of the motor body 2 extends out of a side wall of the casing 1, an air inlet region is disposed between the other side wall of the casing 1 and the motor body 2 and the heat exchanger 3, an air inlet 4 is opened on the other side wall of the casing 1, cooling air introduced from the air inlet 4 by the outer fan 6 is all (as known by those skilled in the art, all of this is not absolute, cooling air introduced from the air inlet 4 by the outer fan 6 does not enter an upper half region of the heat exchanger 3 any more, and directly enters a lower half region of the heat exchanger 3, that is, an air guide baffle 7 not only plays a role of blocking the cooling air from entering the upper half region of the heat exchanger 3, but also plays a role of guiding the air to the lower half region of the heat exchanger 3), and a fan 8 for conveying the cooling air to the upper half region of the heat exchanger 3 is installed on the upper portion of the other side wall of the casing 1.

Working principle: under the action of the outer fan 6, cooling air enters from the air inlet 4 and is guided into the lower half area of the heat exchanger 3 through the guide partition plate, and is discharged after heat exchange; under the effect of the ventilation fan 8, the upper half area of the heat exchanger 3 is effectively radiated, so that heat accumulation in the upper half area of the heat exchanger 3 is avoided, and the overall radiating effect of the high-voltage motor is improved.

In specific implementation, the upper part of one side wall of the casing 1 is fixed with a guiding folded plate 9 for guiding the wind from the heat exchanger 3 to the shaft extension end of the motor body 2, and the wind blown out by the heat exchanger 3 is directly blown to the shaft extension end of the motor body 2, so that the forced heat dissipation is carried out for the motor bearing, and the heat dissipation effect of the motor bearing is improved.

In particular, the guide flap 9 comprises a horizontal plate fixedly connected to a side wall of the casing 1 and a vertical plate vertically fixed to one end of the horizontal plate remote from the casing 1. The structure is embodied.

During the implementation, the front end and the rear end of the horizontal plate are respectively fixed with a front baffle and a rear baffle, so that wind energy coming out of the heat exchanger 3 is guided to the shaft extension end of the motor body 2 as much as possible, and the heat dissipation effect of the motor bearing is improved.

In the specific embodiment, the horizontal plate, the vertical plate, the front baffle and the rear baffle are integrally fixed. The air guide baffle 7 is an arc plate, and the air guide performance is high.

Claims

1. The utility model provides a high-voltage motor, including casing (1), motor body (2), heat exchanger (3), outer fan (6), the shaft extension end of the pivot of motor body (2) is overhanging in a lateral wall of casing (1), be equipped with the air inlet region between another lateral wall of casing (1) and motor body (2), heat exchanger (3), open the another lateral wall of casing (1) has air intake (4), a serial communication port, be equipped with in the air intake region with outer fan (6) from the whole induced air baffle (7) of leading-in to heat exchanger (3) lower half region of cooling air of air intake (4), ventilation fan (8) that are used for carrying cooling air for the first half region of heat exchanger (3) are installed to the upper portion of another lateral wall of casing (1).

2. A high voltage motor according to claim 1, characterized in that a guide flap (9) for guiding the wind coming out of the heat exchanger (3) to the shaft extension end of the motor body (2) is fixed to the upper part of one side wall of the housing (1).

3. A high voltage motor according to claim 2, characterized in that the guide flap (9) comprises a horizontal plate fixedly connected to a side wall of the housing (1) and a vertical plate vertically fixed to an end of the horizontal plate remote from the housing (1).

4. A high voltage motor according to claim 3, wherein the front and rear ends of the horizontal plate are respectively fixed with a front baffle and a rear baffle.

5. The high voltage motor of claim 4, wherein the horizontal plate, the vertical plate, the front baffle, and the rear baffle are integrally fixed.

6. A high voltage motor according to any one of claims 1 to 5, characterized in that the air guiding partition (7) is a circular arc plate.