CN221448251U - Integrated radiating brushless blower motor - Google Patents

Abstract

The utility model relates to an integrated radiating brushless blower motor in the technical field of motors, which comprises a shell, wherein radiating fins are fixedly arranged on the inner side of the shell, a ventilation frame is movably arranged on the back surface of the shell, a radiating fan is movably arranged on the inner side of the ventilation frame, and an installation shaft is fixedly connected on the inner side of the radiating fan. According to the utility model, the radiating fins are arranged on the outer side of the stator coil, so that the radiating surface area is increased, the heat conduction and dissipation are accelerated, a large amount of natural wind can be generated through the radiating fan arranged on the back surface of the shell, so that the hot air overflowed into the radiating fins is led to the outside, the radiating fins are always kept at a proper temperature, the heat generated in the energizing process of the coil is better absorbed, the service life of the radiating fins is prolonged, and the internal heat can be conveniently discharged while the integral device is fixed through the arrangement of the ventilation frame.

Description

Integrated radiating brushless blower motor

Technical Field

The utility model relates to the technical field of motors, in particular to an integrated radiating brushless blower motor.

Background

The integrated radiating brushless blower motor is a special brushless blower motor and is characterized in that a radiating system is contained in the motor, the brushless blower motor is a blower motor commonly used in an automobile air conditioner, and the integrated radiating brushless blower motor has the greatest advantages of being brushless, free of spark and high in safety performance.

The integrated direct current brushless micro motor with the position sensing function comprises a machine body, a rotor, a winding stator assembly, a position sensor, a front end cover and a rear end cover, wherein the winding stator assembly comprises a winding coil, a stator yoke and trapezoidal teeth, the stator yoke is annular, a plurality of protruding teeth integrally protrude inwards from the inner side of the stator yoke, trapezoidal teeth are arranged between the protruding teeth, the trapezoidal teeth are connected with the stator yoke through a trapezoidal groove and trapezoidal bulge jogging, a closed slot or a semi-closed slot is formed by combining the protruding teeth and the trapezoidal teeth, and the winding coil is wound on the protruding teeth; the outer side of the winding stator assembly is provided with a PCB driving board, the PCB driving board is formed by integrating a plurality of position sensors and a control circuit on a control board, the position sensors are positioned on the outer peripheral surface of the rotor core, the included angle between the position sensors is 60 degrees or 120 degrees, and the position sensors are in clearance contact with the rotor; the PCB driving board is electrically connected with the winding stator assembly. The advantages are moisture resistance, low noise, controllable, high efficiency, and suitable for convection fan of refrigerator.

However, according to the working principle proposed by the above patent, the applicant believes that although the device can resist moisture and noise to some extent, in practical use, the device lacks effective heat dissipation capability, so that heat generated in use of the coil is difficult to be discharged, and the service life of the motor is easily affected.

Disclosure of Invention

The utility model provides an integrated heat dissipation type brushless blower motor aiming at the technical problems existing in the prior art.

The technical scheme for solving the technical problems is as follows: the integrated radiating brushless blower motor comprises a shell, wherein radiating fins are fixedly arranged on the inner side of the shell, a ventilation frame is movably arranged on the back surface of the shell, a radiating fan is movably arranged on the inner side of the ventilation frame, and an installation shaft is fixedly connected with the inner side of the radiating fan.

Preferably, a first bearing is movably arranged on one side of the mounting shaft, a supporting frame is fixedly arranged on the outer side of the first bearing, and the supporting frame is fixedly connected with the shell.

Preferably, a second bearing is movably arranged on the other side of the mounting shaft, and a front plate is fixedly connected to the outer side of the second bearing.

Preferably, the front plate is fixedly connected with the shell, and a sensor is fixedly installed on the surface of the inner side of the installation shaft.

Preferably, a rotor coil is fixedly mounted on the inner side of the sensor and positioned on the outer side of the mounting shaft, and a stator coil is fixedly connected on the inner side of the radiating fin.

Preferably, the top of the shell is fixedly provided with a lifting ring, and the bottom of the shell is fixedly provided with a cushion block.

The beneficial effects of the utility model are as follows:

1. According to the utility model, the radiating fins are arranged on the outer side of the stator coil, so that the radiating surface area is increased, the heat conduction and dissipation are accelerated, a large amount of natural wind can be generated through the radiating fan arranged on the back of the shell, so that hot air overflowed into the radiating fins is led to the outside, the radiating fins are always kept at a proper temperature, the heat generated in the energizing process of the coil is better absorbed, the service life of the radiating fins can be prolonged, the ventilation frame is arranged, the integral device can be fixed, the internal heat can be conveniently discharged, the installation shaft is used as an integral main body, the fan can be driven to rotate while penetrating through the integral device, and other devices are conveniently and externally connected.

2. According to the utility model, the mounting shaft can be fixed and can be kept freely rotated through the arrangement of the first bearing and the second bearing, the stability of the shell can be enhanced through the arrangement of the front plate and the supporting frame, the position of the rotor can be monitored through the arrangement of the sensor, the information is fed back to the motor controller, the motor controller adjusts the current magnitude and the direction of each phase coil according to the position of the rotor, the motor can keep high-efficiency, smooth and accurate movement through precisely controlling the current of each phase coil, a magnetic field is formed inside the rotor coil and the stator coil through the arrangement of the rotor coil and the stator coil when the stator coil is electrified, the magnetic field interacts with the magnetic field of the permanent magnet on the rotor coil to generate moment, the rotor starts to rotate, the whole device is convenient to carry by a user through the arrangement of the lifting ring, and the device can stand more stably through the arrangement of the cushion block.

Drawings

FIG. 1 is a front perspective view of the structure of the present utility model;

FIG. 2 is a bottom perspective view of the structure of the present utility model;

FIG. 3 is a cutaway exploded perspective view of the housing structure of the present utility model;

FIG. 4 is a cut-away perspective view of a heat sink structure according to the present utility model;

Fig. 5 is a cut-out perspective view of a stator coil structure according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a housing; 2. a heat sink; 3. a ventilation frame; 4. a heat radiation fan; 5. a mounting shaft; 6. a first bearing; 7. a support frame; 8. a second bearing; 9. a front plate; 10. a sensor; 11. a rotor coil; 12. a stator coil; 13. a lifting ring; 14. and (5) cushion blocks.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, in the embodiment of the utility model, the integrated radiating brushless blower motor comprises a housing 1, wherein a radiating fin 2 is fixedly installed on the inner side of the housing 1, a ventilation frame 3 is movably installed on the back surface of the housing 1, a radiating fan 4 is movably installed on the inner side of the ventilation frame 3, and an installation shaft 5 is fixedly connected on the inner side of the radiating fan 4.

Through set up fin 2 in the outside of stator coil 12 to increase radiating surface area, and accelerate thermal conduction and giving off, through casing 1 back-mounted radiator fan 4, can produce a large amount of natural wind, thereby will spill and scatter to the inside hot air of fin 2 and guide outside, thereby make fin 2 remain in appropriate temperature throughout, better heat that produces in the coil circular telegram in-process absorbs, and can improve fin 2's life, through ventilation frame 3's setting, conveniently discharge inside heat in the time of can fixing whole device, through installation axle 5's setting, installation axle 5 is as whole backbone, can drive the fan and rotate when running through whole device, and convenient external other devices of follow-up.

In this embodiment, a first bearing 6 is movably mounted on one side of the mounting shaft 5, and a supporting frame 7 is fixedly mounted on the outer side of the first bearing 6, and the supporting frame 7 is fixedly connected with the housing 1.

By the arrangement of the first bearing 6 and the second bearing 8, the mounting shaft 5 can be made stationary while remaining free to rotate.

In this embodiment, a second bearing 8 is movably mounted on the other side of the mounting shaft 5, and a front plate 9 is fixedly connected to the outer side of the second bearing 8.

By the arrangement of the front plate 9 and the support frame 7, the stability of the housing 1 can be enhanced.

In the present embodiment, the front plate 9 is fixedly connected to the housing 1, and the sensor 10 is fixedly mounted on the surface inside the mounting shaft 5.

By the arrangement of the sensor 10, the sensor 10 monitors the position of the rotor and feeds back this information to the motor controller, which adjusts the current magnitude and direction of each phase coil according to the position of the rotor, and by precisely controlling the current of each phase coil, the motor can maintain efficient, smooth and accurate movement.

In the present embodiment, a rotor coil 11 is fixedly mounted on the inner side of the sensor 10 and on the outer side of the mounting shaft 5, and a stator coil 12 is fixedly connected to the inner side of the heat sink 2.

By providing the rotor coil 11 and the stator coil 12, when the stator coil 12 is energized, a magnetic field is formed inside the stator coil, and this magnetic field interacts with the magnetic field of the permanent magnet on the rotor coil 11 to generate a moment, so that the rotor starts to rotate.

In this embodiment, a lifting ring 13 is fixedly installed at the top of the housing 1, and a cushion block 14 is fixedly installed at the bottom of the housing 1.

Through the setting of bail 13, the user of facilitating the use carries whole device for the device can stand more steadily through the setting of cushion 14.

The working principle of the utility model is as follows: when the device is used, the heat conduction and emission are accelerated by arranging the radiating fins 2 on the outer side of the stator coil 12, a large amount of natural wind is generated by the radiating fan 4 arranged on the back of the shell 1, so that the hot air overflowed to the inside of the radiating fins 2 is led to the outside, the radiating fins 2 are always kept at a proper temperature, the whole device can be fixed through the ventilation frame 3, the inside heat is conveniently discharged, the fan can be driven to rotate while the whole device is penetrated through the mounting shaft 5, the mounting shaft 5 can be kept to rotate while being fixed through the first bearing 6 and the second bearing 8, the stability of the shell 1 can be enhanced through the front plate 9 and the support frame 7, the position of the rotor can be monitored through the sensor 10, and the information is fed back into the motor controller, the motor controller can adjust the current size and the direction of each phase coil according to the position of the rotor, the motor can keep high-efficient, smooth and accurate movement through the accurate control of each phase coil current, the motor can form free rotation on the rotor coil 11 and the stator coil 12 when the stator coil 12 is electrified, the whole device can form a magnetic field 11 on the inside the rotor coil, the whole device can start to rotate with the rotor coil 11 through the mutual magnetic field, the magnetic field can be more stable and the magnetic field can be kept by a carrier 13, and the carrier torque can be more stable, and a magnetic field can stand can be used by a carrier device through a magnetic field device through a magnetic carrier device 13.

The foregoing describes one embodiment of the present utility model in detail, but the disclosure is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (6)

1. The integrated heat dissipation type brushless blower motor is characterized in that: the novel cooling fan comprises a shell body (1), wherein radiating fins (2) are fixedly arranged on the inner side of the shell body (1), a ventilation frame (3) is movably arranged on the back surface of the shell body (1), a cooling fan (4) is movably arranged on the inner side of the ventilation frame (3), and a mounting shaft (5) is fixedly connected with the inner side of the cooling fan (4).

2. The integrated heat dissipation type brushless blower motor according to claim 1, wherein: one side movable mounting of installation axle (5) has first bearing (6), the outside fixed mounting of first bearing (6) has support frame (7), support frame (7) and casing (1) fixed connection.

3. The integrated heat dissipation type brushless blower motor according to claim 1, wherein: the other side of the installation shaft (5) is movably provided with a second bearing (8), and the outer side of the second bearing (8) is fixedly connected with a front plate (9).

4. An integrated heat dissipation type brushless blower motor according to claim 3, wherein: the front plate (9) is fixedly connected with the shell (1), and a sensor (10) is fixedly arranged on the surface of the inner side of the mounting shaft (5).

5. The integrated heat dissipation type brushless blower motor according to claim 4, wherein: the inner side of the sensor (10) is fixedly provided with a rotor coil (11) which is positioned on the outer side of the mounting shaft (5), and the inner side of the radiating fin (2) is fixedly connected with a stator coil (12).

6. The integrated heat dissipation type brushless blower motor according to claim 1, wherein: the lifting ring (13) is fixedly arranged at the top of the shell (1), and the cushion block (14) is fixedly arranged at the bottom of the shell (1).