CN216312834U - A series motor - Google Patents

Abstract

The utility model discloses a series excitation motor, which comprises a motor casing and a support seat, an inner ring surface of the support seat is fixedly connected with a shock-absorbing pad, the support base and the motor casing are fixedly connected by bolts, and the surface of the motor casing is fixedly connected with a shock absorbing pad. Installation box, the inner wall of the installation box is fixedly connected with a semiconductor refrigerating sheet, the cooling end of the semiconductor refrigerating sheet is fixedly connected with a heat-conducting sheet, the inner wall of the motor casing is fixedly connected with a heat-conducting ring and a temperature sensor, and the inner wall of the motor casing is provided with a motor assembly, the motor The surface of the component bearing is fixedly connected with the fan blade. The series-excited motor transfers the low temperature at the cooling end of the semiconductor refrigerating sheet to the heat-conducting ring through the heat-conducting sheet. When the motor works to drive the fan blades to rotate, the fan blades drive the airflow through the heat-conducting ring, which can cool the airflow. Heat dissipation fins, use the heat dissipation fins to further dissipate heat inside the motor, thereby cooling the inside of the motor more efficiently.

Description

A series motor

technical field

The utility model relates to the technical field of motor equipment, in particular to a series excitation motor.

Background technique

Single-phase series motors are commonly known as series motors or general motors, and are named after the excitation winding and the excitation winding work together in series. Single-phase series excitation motors are AC and DC dual-purpose motors, which can work with either AC power or DC power.

The existing series motor will generate a lot of heat in the motor during operation. The traditional heat dissipation method is to install the fan blade on the bearing end inside the motor. When the motor rotates, the fan blade can be driven to rotate to cool the inside of the motor, but the motor works for a long time. It will generate high temperature, and only through the fan blades can not efficiently dissipate heat, which will cause the motor temperature to be too high and affect the use.

Utility model content

The purpose of the present invention is to provide a series motor to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a series motor, comprising a motor casing and a support seat, the inner ring surface of the support seat is fixedly connected with a shock-absorbing pad, and the support seat and the motor casing are fixedly connected by bolts The surface of the motor casing is fixedly connected with an installation box, the inner wall of the installation box is fixedly connected with a semiconductor refrigeration sheet, the refrigeration end of the semiconductor refrigeration sheet is fixedly connected with a heat conduction sheet, and the inner wall of the motor casing is fixedly connected with a heat conduction ring and a temperature sensor respectively. The inner wall of the motor assembly is provided with a motor assembly, and the surface of the motor assembly bearing is fixedly connected with a fan blade.

Preferably, the surface of the installation box and both sides of the motor casing are provided with cooling vents, and the inner walls of the cooling ports are provided with dust-proof nets.

Preferably, both the temperature sensor and the semiconductor refrigeration chip are electrically connected to an external control system.

Preferably, the lower end of the heat-conducting sheet and the surface of the heat-conducting ring are fixedly connected by bolts, and the inner annular surface of the heat-conducting ring is provided with a plurality of heat-conducting plates.

Preferably, a plurality of heat dissipation fins are fixedly connected to the surface of the motor casing, and the plurality of heat dissipation fins are arranged on the surface of the motor casing in a circular array.

Preferably, the material of the shock absorbing pad is high temperature resistant rubber, and the surface of the support seat is provided with a mounting hole for convenient mounting of the motor.

beneficial effect

The utility model provides a series excitation motor, which has the following beneficial effects:

1. The series motor, by setting the heat-conducting ring and the heat-conducting sheet, transmits the low temperature of the cooling end of the semiconductor refrigeration sheet to the heat-conducting ring by the heat-conducting sheet. When the motor works to drive the fan blade to rotate, the fan blade drives the air flow through the heat-conducting ring, which can be used for cooling and cooling. The airflow cools down, and at the same time, heat dissipation fins are arranged on the surface of the motor shell, and the heat dissipation fins are used to further dissipate heat inside the motor, thereby cooling the inside of the motor more efficiently.

2. The series motor, by setting the temperature sensor, when the temperature in the motor reaches the upper limit of the temperature sensor, the temperature sensor transmits the signal to the external control system, and the external control system controls the semiconductor refrigeration chip to work, so as to prevent the semiconductor refrigeration chip from always running. The work causes excessive waste of energy. By setting the shock-absorbing pad, the vibration generated by the motor during operation can be reduced by using the shock-absorbing pad, which improves the stability of the motor.

Description of drawings

1 is a schematic diagram of the three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of the front sectional structure of the motor casing of the utility model;

FIG. 3 is a schematic side view of the structure of the heat conducting ring of the present invention.

In the picture: 1 motor shell, 2 support base, 3 shock pad, 4 installation box, 5 semiconductor refrigeration sheet, 6 heat conduction sheet, 7 heat conduction ring, 8 temperature sensor, 9 fan blades, 10 heat conduction plate, 11 heat dissipation fin.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a series motor, including a motor casing 1 and a support base 2, the surface of the support base 2 is provided with a mounting hole for easy installation of the motor, and the inner surface of the support base 2 is provided with a mounting hole. A shock-absorbing pad 3 is fixedly connected to the annular surface. The material of the shock-absorbing pad 3 is high-temperature resistant rubber. By setting the shock-absorbing pad 3, the vibration generated by the motor during operation can be reduced by using the shock-absorbing pad 3, and the stability of the motor is improved.

The support base 2 and the motor housing 1 are fixedly connected by bolts. The surface of the motor housing 1 is fixedly connected with a plurality of heat dissipation fins 11. The plurality of heat dissipation fins 11 are arranged in a circular array on the surface of the motor housing 1, and the surface of the motor housing 1 is fixed An installation box 4 is connected, the surface of the installation box 4 and both sides of the motor casing 1 are provided with heat dissipation ports, and the inner wall of the heat dissipation port is provided with a dustproof net.

The inner wall of the installation box 4 is fixedly connected with the semiconductor refrigeration sheet 5, the cooling end of the semiconductor refrigeration sheet 5 is fixedly connected with the heat conducting sheet 6, the inner wall of the motor casing 1 is fixedly connected with the heat conducting ring 7 and the temperature sensor 8 respectively, and the lower end of the heat conducting sheet 6 is connected with the heat conducting sheet 6. The surfaces of the heat-conducting ring 7 are fixedly connected by bolts, and a plurality of heat-conducting plates 10 are arranged on the inner ring surface of the heat-conducting ring 7 . Both the temperature sensor 8 and the semiconductor refrigeration chip 5 are electrically connected to the external control system.

By setting the temperature sensor 8, when the temperature in the motor reaches the upper limit of the temperature sensor 8, the temperature sensor 8 transmits the signal to the external control system, and the external control system controls the semiconductor refrigeration chip 5 to work, so as to prevent the semiconductor refrigeration chip 5 from working all the time. Excessive waste of energy.

The inner wall of the motor housing 1 is provided with a motor assembly, and the surface of the bearing of the motor assembly is fixedly connected with a fan blade 9. By setting the heat conducting ring 7 and the heat conducting sheet 6, the low temperature at the refrigeration end of the semiconductor refrigeration sheet 5 is transmitted to the heat conducting ring 7 by the heat conducting sheet 6 , when the motor works to drive the fan blade 9 to rotate, the fan blade 9 drives the air flow to pass through the heat conduction ring 7, which can cool the air flow. It is transferred to the air to further dissipate heat inside the motor, thereby cooling the inside of the motor more efficiently.

Working principle: When the motor is working, the shock-absorbing pad 3 can reduce the vibration generated when the motor is working. When the motor is rotating, it can drive the fan blade 9 at the bearing end of the motor assembly to rotate, and the fan blade 9 is used to rotate to drive the airflow into the motor casing 1. In this way, the inside of the motor can be dissipated, and the heat dissipation fins 11 can also transmit the temperature inside the motor to the air for heat dissipation. When the temperature inside the motor reaches the upper limit of the temperature sensor 8 when the motor works for a long time, the temperature sensor 8 transmits a signal to the air. External control system, the external control system controls the semiconductor refrigeration sheet 5 to work, the low temperature at the cooling end of the semiconductor refrigeration sheet 5 is transmitted to the heat conduction ring 7 by the heat conduction sheet 6, when the fan blade 9 rotates to drive the airflow through the heat conduction ring 7, the airflow can be cooled down , which can quickly cool down the inside of the motor.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A series motor, comprising a motor housing (1) and a support base (2), characterized in that: the inner ring surface of the support base (2) is fixedly connected with a shock-absorbing pad (3), and the support base (2) ) is fixedly connected with the motor casing (1) by bolts, the surface of the motor casing (1) is fixedly connected with a mounting box (4), and the inner wall of the mounting box (4) is fixedly connected with a semiconductor refrigeration chip (5), a semiconductor refrigeration chip (5) ) is fixedly connected with a heat-conducting sheet (6), the inner wall of the motor casing (1) is fixedly connected with a heat-conducting ring (7) and a temperature sensor (8) respectively, and the inner wall of the motor casing (1) is provided with a motor assembly, the motor assembly A fan blade (9) is fixedly connected to the surface of the bearing. 2. A series motor according to claim 1, characterized in that: the surface of the installation box (4) and both sides of the motor casing (1) are provided with heat dissipation ports, and the inner walls of the heat dissipation ports are provided with anti-heating ports. Dust net. 3 . The series motor according to claim 1 , wherein the temperature sensor ( 8 ) and the semiconductor refrigeration chip ( 5 ) are both electrically connected to an external control system. 4 . 4. A series motor according to claim 1, characterized in that: the lower end of the heat-conducting sheet (6) and the surface of the heat-conducting ring (7) are fixedly connected by bolts, and the inner ring of the heat-conducting ring (7) The surface is provided with a plurality of heat conducting plates (10). 5. A series motor according to claim 1, characterized in that: a plurality of heat dissipation fins (11) are fixedly connected to the surface of the motor casing (1), and the plurality of heat dissipation fins (11) are circumferential The array is arranged on the surface of the motor housing (1). 6 . The series motor according to claim 1 , wherein the shock-absorbing pad ( 3 ) is made of high-temperature resistant rubber, and the surface of the support seat ( 2 ) is provided with mounting holes for convenient mounting of the motor. 7 .

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