CN209472477U - A decorative ceiling fan motor with enhanced heat dissipation - Google Patents

Abstract

The utility model discloses a decorative ceiling fan motor for enhancing heat dissipation, which comprises a shell formed by buckling an upper shell and a lower shell, a plurality of groups of first air ports which are arranged oppositely are arranged on the upper shell and the lower shell, a plurality of groups of second air ports are arranged on the upper shell and the lower shell, the first air port and the second air port are alternately arranged, the utility model aims to provide a ceiling fan motor which is provided with an air inlet and an air outlet on the shell, the air inlet and the air outlet are oppositely provided with flow guide ports, so that the outside air can be actively guided into the motor shell when the motor component rotates, the function of automatic air suction and heat dissipation is realized, the opposite direction sets up the water conservancy diversion mouth and then can all can reach the radiating efficiency of automatic induced drafting when motor element is rotatory with the equidirectional not, very big extension the life-span of motor, reduced various difficult all kinds of hidden dangers that lead to because of the motor heat dissipation is not good.

Description

A decorative ceiling fan motor with enhanced heat dissipation

technical field

The utility model relates to a ceiling fan motor, in particular to a decorative ceiling fan motor with enhanced heat dissipation.

Background technique

Due to the continuous improvement of energy efficiency standards in various countries, the performance requirements for decorative ceiling fan motors are also continuously improved. When the performance of the motor is improved, the temperature rise of the motor will increase, which will affect the safety of the product. The existing motor usually adopts a passive heat dissipation method, relying on the natural rise of the air flow to take away the heat emitted by the motor. This method is often due to the heat dissipation of the motor. If it is not timely, the service life or working efficiency of the motor will be reduced, and in serious cases, the motor will burn and cause a fire due to overheating of the motor.

Utility model content

The purpose of the utility model is to provide a decorative ceiling fan motor with enhanced heat dissipation in order to overcome the deficiencies in the prior art.

In order to achieve the above object, the utility model adopts the following scheme:

A decorative ceiling fan motor for enhancing heat dissipation, comprising a casing formed by buckling an upper casing and a lower casing, a through-going main shaft is movably arranged at the central axis of the upper casing and the lower casing, and the inner cavity of the casing is A stator is provided, and the stator is fixedly sleeved on the main shaft, and a rotor matched with the stator is arranged around the stator, and the rotor is fixed on the inner wall of the outer casing by fasteners, and the upper casing There are multiple sets of first tuyeres facing each other on the lower shell, and multiple sets of second tuyeres are set on the upper shell and the lower shell, and the second tuyeres are arranged alternately with the first tuyeres. Compared with the first air outlets arranged in the same direction when the motor rotates in different directions, the oppositely arranged first air outlets ensure that airflows in different directions can enter the inner cavity of the housing, and when the first air outlets toward the direction of motor rotation exhaust air, the The generated air flow enables the first air outlet facing away from the motor rotation direction to suck the external air into the inner cavity of the shell, and the inhaled air will be discharged together with the extruded air. The inhaled air can not only participate in the heat exchange in the shell The work can also increase the speed of the exhaust airflow, so that the heat dissipation of the chassis is more efficient.

Further, the first tuyere is provided with a shroud, and the shroud is used for directing and guiding the airflow.

Further, a deflector is provided on the second air outlet, and the deflector can also play the role of air deflector.

Preferably, the shroud on the upper casing protrudes outward.

Preferably, the shroud on the lower casing protrudes toward the inner cavity of the housing.

Preferably, the deflectors all extend toward the inner cavity of the housing.

Preferably, the first tuyere and the second tuyere are arranged in a ring with the main axis as the center.

Further, annular convex grooves are respectively provided at the axial centers of the upper casing and the lower casing, and bearings are arranged in the annular convex grooves, and the bearings are sleeved on the main shaft, and the shaft is sleeved on the main shaft. A plurality of snap rings that can prevent the axial movement of the main shaft, and the snap rings are close to one side of the bearing.

Preferably, a plurality of cooling holes are respectively provided above the gaps between the corresponding rotors and stators on the upper casing and the lower casing.

Preferably, the first air port and the second air port on the lower casing face the same rotation direction.

In summary, the utility model has the beneficial effects relative to the prior art as follows:

The utility model adopts that the first air outlet and the second air outlet are arranged on the ceiling fan motor casing, and the air guide openings are arranged oppositely, so that when the motor assembly rotates, the internal hot air flow can be actively guided out of the outside world and the outside air can be guided into the motor at the same time. Inside the shell, the function of automatic air suction and heat dissipation is realized, and the diversion openings opposite to each other can achieve the heat dissipation effect of automatic air suction and exhaust when the motor assembly rotates in different directions, which greatly prolongs the life of the motor and reduces All kinds of hidden dangers caused by poor heat dissipation of the motor are eliminated.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the upper housing of the utility model;

Fig. 2 is a three-dimensional schematic diagram of the lower housing of the utility model;

Fig. 3 is the schematic sectional view of the utility model;

Fig. 4 is an exploded schematic diagram of the utility model.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments:

As shown in Figures 1 to 4, a decorative ceiling fan motor with enhanced heat dissipation includes a casing 1 formed by fastening an upper casing 11 and a lower casing 12, and at the central axis of the upper casing 11 and the lower casing 12 A through main shaft 2 is movably provided, and a stator 3 is provided in the inner cavity of the housing 1, and the stator 3 is fixedly sleeved on the main shaft 2, and a rotor 4 matched with the stator 3 is arranged around the stator 3, The rotor 4 is fixedly arranged on the inner circumferential wall of the casing 1 by fasteners, and a plurality of sets of first air outlets 5 opposite to each other are provided on the upper casing 11 and the lower casing 12. With the rotation of the ceiling fan motor, When the motor rotates, the rising hot airflow generated will be extruded through the first tuyere 5 with the opening facing away from the direction of rotation, and the first tuyere 5 with the opening facing the direction of rotation of the motor will generate a pressure difference due to the hot air flow out, so that the outside air can pass through the opening. The first tuyere 5 in the direction of motor rotation is sucked into the housing 1, and the inhaled airflow will be discharged with the outward airflow, which can not only reduce the temperature in the housing 1, but also accelerate the efficiency and speed of exhaust air. Both the upper housing 11 and the lower housing 12 are provided with multiple sets of second air outlets 6 participating in heat dissipation, and the second air outlets 6 and the first air outlets 5 are arranged alternately, because the first air outlets 5 on the upper housing 11 will 1 The reason why the hot air flow in the inner cavity is discharged, the air flow outside the lower casing 12 is sucked into the inner cavity of the outer casing 1 by the second tuyere 6 and the first tuyere 5 on the lower casing 12 along with the rotation force of the stator 3, and then is drawn into the inner cavity of the casing 1 by the upper casing 12. The second air port 6 and the first air port 5 on the casing 11 discharge the heat in the inner cavity of the housing 1, making the heat dissipation of the casing more efficient. The first air port 5 is provided with a shroud 51, which is a single A quarter-circular hood with openings can also be a square hood with one-way openings. When the motor rotates, the external air flow is guided into the casing 1 through the hood or the internal hot air is guided out of the casing 1 through the hood. The second tuyere 6 on the housing 11 also discharges the internal hot air. During the entire airflow process, the external cold air enters the housing 1 to cool the internal stator 3 and rotor 4. The heat emitted by the stator 3 and rotor 4 As the air flow after exchanging heat is squeezed out from the second tuyere 6 and the first tuyere 5 whose opening faces away from the direction of rotation, the second tuyere 6 is provided with deflectors 61 , and the deflectors 61 are all directed towards the casing. 1. The inner cavity is extended. The second air port 6 is located on the upper shell 11. The deflector 61 can guide the air in the shell 1 out of the shell 1 because it extends obliquely into the shell. The second air port 6 is located on the lower shell. The deflector 61 on 12 can guide the bottom updraft into the casing to a greater extent, so as to complete the whole process of cold air entering and hot air being discharged.

The deflector 51 on the upper housing 11 of the utility model protrudes outward, the deflector 51 on the lower housing 12 protrudes toward the inner cavity of the shell 1, and the deflector protruding outward 51 can allow the air outside the upper casing 11 to enter, and the shroud 51 protruding toward the inner cavity on the lower casing 12 can allow the rising airflow to enter the lower casing 12 .

The first tuyere 5 and the second tuyere 6 described in the utility model are arranged in a ring with the main shaft 2 as the center of the circle, and can also be irregularly distributed on the upper casing 11 and the lower casing 12, and the opening direction of the tuyere can be along the main shaft 2 The center ring faces the direction of rotation or is arranged alternately front and back along the direction of rotation. The first air outlets 5 on the upper casing 11 are arranged alternately forward and backward along the direction of rotation. The same method can achieve the above-mentioned effect of air intake and exhaust.

In the present utility model, ring-shaped convex grooves 7 are respectively provided at the axial centers of the upper casing 11 and the lower casing 12, and bearings 71 are arranged in the annular convex grooves 7, and the bearings 71 are sleeved on the main shaft 2. The main shaft 2 is sleeved with a plurality of circlips 21 that can prevent the axial movement of the main shaft 2. The circlips 21 are close to the side of the bearing 71, and the bearings 71 are respectively fixed into the upper casing 11 and the lower casing. 12 in the annular convex groove 7, the inner ring of the bearing 71 is fixedly sleeved on the main shaft 2, and a groove is respectively provided on the main shaft 2 corresponding to the positions of the upper and lower bearings 71, and the circlip 21 is stuck in the groove, and the circlip 21 The side surface is in contact with the surface of the bearing 71 facing the center of the inner cavity, so that the main shaft 2 will not move up and down relative to the housing 1 .

In the utility model, a plurality of installation holes 8 are respectively provided above the gap between the upper casing 11 and the lower casing 12 corresponding to the rotor 4 and the stator 3. When the heat in the casing 1 cannot be removed in time, or when the motor When the rotation is stopped, these vent holes 8 can better assist heat discharge, and the vent holes 8 in the utility model are elongated holes or waist-shaped holes, and the vent holes 8 can also be used to observe the gap between the rotor 4 and the stator 3. the gap between.

The first tuyere 5 and the second tuyere 6 on the lower casing 12 of the present invention face the same rotation direction, and can also be arranged oppositely according to the aforementioned method.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and description are only illustrations The principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (9)

1. A decorative ceiling fan motor for enhanced heat dissipation, comprising a shell (1) formed by fastening the upper shell (11) and the lower shell (12), and the upper shell (11) and the lower shell (12) ) central axis is provided with a penetrating main shaft (2), a stator (3) is provided in the inner cavity of the casing (1), and the stator (3) is fixedly sleeved on the main shaft (2), and the stator (3) A rotor (4) matching with the stator (3) is arranged around the outside, and the rotor (4) is fixed on the inner wall of the casing (1) by fasteners, and it is characterized in that: on the upper casing Both the body (11) and the lower casing (12) are provided with multiple sets of oppositely arranged first air outlets (5), and the upper casing (11) and the lower casing (12) are provided with multiple sets of The second tuyere (6), the second tuyere (6) and the first tuyere (5) are arranged alternately. 2. A decorative ceiling fan motor with enhanced heat dissipation according to claim 1, characterized in that the first air outlet (5) is provided with a shroud (51). 3. A decorative ceiling fan motor with enhanced heat dissipation according to claim 1, characterized in that a deflector (61) is provided on the second air outlet (6). 4. A decorative ceiling fan motor with enhanced heat dissipation according to claim 2, characterized in that the shroud (51) on the upper casing (11) protrudes outward. 5. A decorative ceiling fan motor with enhanced heat dissipation according to claim 4, characterized in that the shroud (51) on the lower casing (12) protrudes toward the inner cavity of the casing (1). 6. A decorative ceiling fan motor with enhanced heat dissipation according to claim 3, characterized in that the deflectors (61) all extend toward the inner cavity of the casing (1). 7. A decorative ceiling fan motor with enhanced heat dissipation according to any one of claims 1 to 6, characterized in that the first air outlet (5) and the second air outlet (6) are arranged in a ring with the main shaft (2) as the center of the circle . 8. A decorative ceiling fan motor with enhanced heat dissipation according to claim 7, characterized in that annular convex grooves (7) are respectively provided at the axial centers of the upper casing (11) and the lower casing (12), Bearings (71) are provided in the annular convex groove (7), and the bearings (71) are sleeved on the main shaft (2), and a plurality of sleeves on the main shaft (2) can prevent the main shaft (2 ) A retaining ring (21) that moves axially. 9. A decorative ceiling fan motor with enhanced heat dissipation according to claim 8, characterized in that between the corresponding rotor (4) and stator (3) on the upper casing (11) and the lower casing (12) A plurality of groups of cooling holes (8) are respectively arranged above the gap.