CN216414024U

CN216414024U - Direct current motor with high-temperature protection device

Info

Publication number: CN216414024U
Application number: CN202121610658.6U
Authority: CN
Inventors: 肖敬军; 张小强; 董乃顺
Original assignee: Nanjing Sanxie Motor Manufacturing Co ltd
Current assignee: Nanjing Sanxie Motor Manufacturing Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-04-29
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a direct current motor with a high-temperature protection device, which comprises a motor body and a support, wherein the top of the support is fixedly connected with two symmetrically arranged bases, the motor body is fixedly connected to the bases, a temperature sensor is fixedly inserted into the top of one end of the motor body, the top of the motor body is fixedly connected with a mounting box, a controller is arranged in the mounting box, a cavity is arranged in the support, a driving motor is fixedly connected to the inner wall of one side of the cavity, an output shaft of the driving motor is fixedly connected with a worm, one end of the worm is rotatably connected with the inner wall of the cavity, a meshed gear is arranged on the worm, and a rotating rod is fixedly inserted into the gear. Avoid high temperature to lead to motor internal element impaired, overall structure is simple, convenient operation.

Description

Direct current motor with high-temperature protection device

Technical Field

The utility model relates to the field of products related to a direct current motor, in particular to a direct current motor with a high-temperature protection device.

Background

The dc motor is a rotating electrical machine that can convert dc electrical energy into mechanical energy (dc motor) or convert mechanical energy into dc electrical energy (dc generator), and is a motor that can convert dc electrical energy and mechanical energy into each other.

However, the existing direct current motor has poor heat dissipation effect, the internal temperature of the direct current motor gradually rises after the direct current motor works for a long time, the use quality of the direct current motor is affected, internal elements are damaged, the use quality is affected, the service life is prolonged, and certain defectiveness is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a direct current motor with a high-temperature protection device, and aims to solve the problems that the existing direct current motor in the background art is poor in heat dissipation effect, the internal temperature of the direct current motor gradually rises after the direct current motor works for a long time, the use quality of the direct current motor is influenced, internal elements are damaged, and the use quality and the service life are further influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a direct current motor with a high-temperature protection device comprises a motor body and a support, wherein the top of the support is fixedly connected with two symmetrically arranged bases, the motor body is fixedly connected to the base, a temperature sensor is fixedly inserted into the top of one end of the motor body, the top of the motor body is fixedly connected with a mounting box, a controller is arranged in the mounting box, a cavity is arranged in the support, a driving motor is fixedly connected on the inner wall of one side of the cavity, a worm is fixedly connected with an output shaft of the driving motor, one end of the worm is rotationally connected with the inner wall of the cavity, the worm is provided with a gear which is engaged with the worm, the motor is characterized in that a rotating rod is fixedly inserted into the gear, the bottom end of the rotating rod is rotatably connected with the inner wall of the cavity, fan blades are fixedly connected to the top end of the rotating rod, an opening is formed in the top of the support, and a plurality of heat dissipation holes are formed in the bottom of the motor body.

Preferably, the input end of the controller is electrically connected with the output end of the temperature sensor, and the output end of the controller is electrically connected with the input end of the driving motor.

Preferably, a dust screen is fixedly connected in the opening.

Preferably, a plurality of the heat dissipation holes are arranged in a rectangular shape.

Preferably, the controller is 80C 51.

Preferably, the temperature sensor is BCC 034A.

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

the direct current motor with the high-temperature protection device monitors the temperature inside the motor body through the temperature sensor extending into the motor body, when the temperature is higher than a monitored value, a signal is generated to the controller in the mounting box, the controller receives the signal to code so as to control the driving motor to start, at the moment, the driving motor drives the worm on the output shaft to rotate, the gear meshed with the worm rotates along with the worm in the rotating process so as to drive the rotating rod to rotate, at the moment, the fan blades mounted on the rotating rod rotate along with the worm, so that the high temperature inside the motor body is sucked out through the heat dissipation holes in the bottom of the motor body to dissipate the heat inside the motor body, the internal temperature of the motor can be monitored in real time during the operation of the motor through the monitoring control driving structure, thereby effectively discharging the heat in time and avoiding the damage of internal elements of the motor due to the high temperature, the whole structure is simple, and the operation is convenient.

Drawings

Fig. 1 is a schematic structural diagram of a dc motor with a high temperature protection device according to the present invention;

fig. 2 is a schematic view of a heat dissipating hole of a dc motor with a high temperature protection device according to the present invention.

In the figure: 1. a motor body; 2. a support; 3. a base; 4. a temperature sensor; 5. mounting a box; 6. a controller; 7. a drive motor; 8. a worm; 9. a gear; 10. a rotating rod; 11. a fan blade; 12. heat dissipation holes; 13. a dust screen.

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.

Referring to fig. 1-2, an embodiment of the present invention is shown: a direct current motor with a high-temperature protection device comprises a motor body 1 and a support 2, the top of the support 2 is fixedly connected with two symmetrically arranged bases 3, the motor body 1 is fixedly connected on the bases 3, a temperature sensor 4 is fixedly inserted at the top of one end of the motor body 1, the top of the motor body 1 is fixedly connected with a mounting box 5, a controller 6 is arranged in the mounting box 5, a cavity is arranged in the support 2, a driving motor 7 is fixedly connected on the inner wall of one side of the cavity, an output shaft of the driving motor 7 is fixedly connected with a worm 8, one end of the worm 8 is rotatably connected with the inner wall of the cavity, a gear 9 meshed with the worm 8 is arranged on the worm 8, a rotating rod 10 is fixedly inserted on the gear 9, the bottom end of the rotating rod 10 is rotatably connected with the inner wall of the cavity, the top end of the rotating rod 10 is fixedly connected with fan blades 11, the top of a heat dissipation hole of the support 2 is provided with an opening, the bottom of the motor body 1 is provided with a plurality of heat dissipation holes 12, specifically speaking, temperature sensor 4 carries out temperature monitoring to motor body 1 inside, take place the signal for controller 6 in the mounting box 5 when the temperature is higher than the monitoring value, thereby controller 6 receives the signal and encodes control driving motor 7 and starts, driving motor 7 will drive the worm 8 rotation on the output shaft this moment, thereby rotate gear 9 that the in-process rotated with it and follow the rotation and drive bull stick 10 and rotate, thereby install flabellum 11 on bull stick 10 at this moment and follow rotatory through louvre 12 on motor body 1 bottom with the inside high temperature suction of motor body 1 through the clearance dispersion between motor body 1 and the support 2 that is supported by base 3, thereby realize the inside heat dissipation of motor body 1.

Further, an input end of the controller 6 is electrically connected to an output end of the temperature sensor 4, and an output end of the controller 6 is electrically connected to an input end of the driving motor 7.

Furthermore, the opening is fixedly connected with a dust screen 13, so that dust is prevented from entering the cavity of the support 2.

Further, a plurality of heat dissipation holes 12 are arranged in a rectangular shape, so that the heat dissipation speed of hot air is increased.

Further, controller 6 is model 80C 51.

Further, the temperature sensor 4 is of the type BCC 034A.

The working principle is as follows: at first extend to the temperature sensor 4 in the motor body 1 and carry out temperature monitoring to motor body 1 inside, take place the signal for controller 6 in the mounting box 5 when the temperature is higher than the monitoring value, thereby controller 6 receives the signal and encodes control driving motor 7 and starts, driving motor 7 will drive the epaxial worm 8 of output and rotate this moment, thereby it follows rotatory bull stick 10 of drive to rotate gear 9 that rotates the in-process with it at worm 8, thereby install flabellum 11 on bull stick 10 and follow rotatory through the louvre 12 on the motor body 1 bottom with the inside high temperature suction of motor body 1 through the clearance dispersion between motor body 1 and the support 2 that is supported by base 3 this moment, thereby realize the inside heat dissipation of motor body 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a direct current motor with high temperature protection device, includes motor body (1) and support (2), its characterized in that: the top of the support (2) is fixedly connected with two bases (3) which are symmetrically arranged, the motor body (1) is fixedly connected onto the bases (3), the top of one end of the motor body (1) is fixedly inserted with a temperature sensor (4), the top of the motor body (1) is fixedly connected with a mounting box (5), a controller (6) is arranged in the mounting box (5), a cavity is arranged in the support (2), a driving motor (7) is fixedly connected onto the inner wall of one side of the cavity, an output shaft of the driving motor (7) is fixedly connected with a worm (8), one end of the worm (8) is rotatably connected with the inner wall of the cavity, a meshed gear (9) is arranged on the worm (8), a rotating rod (10) is fixedly inserted onto the gear (9), and the bottom end of the rotating rod (10) is rotatably connected with the inner wall of the cavity, the fan blade is characterized in that the top end of the rotating rod (10) is fixedly connected with fan blades (11), the top of the support (2) is provided with an opening, and the bottom of the motor body (1) is provided with a plurality of heat dissipation holes (12).

2. A direct current motor having a high temperature protection apparatus according to claim 1, wherein: the input end of the controller (6) is electrically connected with the output end of the temperature sensor (4), and the output end of the controller (6) is electrically connected with the input end of the driving motor (7).

3. A direct current motor having a high temperature protection apparatus according to claim 1, wherein: and a dust screen (13) is fixedly connected in the opening.

4. A direct current motor having a high temperature protection apparatus according to claim 1, wherein: the heat dissipation holes (12) are arranged in a rectangular shape.

5. A direct current motor having a high temperature protection apparatus according to claim 1, wherein: the controller (6) is 80C51 in model.

6. A direct current motor having a high temperature protection apparatus according to claim 1, wherein: the temperature sensor (4) is BCC 034A.