TWM549992U - Axial-flow type fan - Google Patents

Description

Axial fan

This creation is about axial flow fans, especially an axial flow fan that increases the straight air supply distance and air volume.

According to the general fan, it is widely used in household fans, office air-conditioning systems and factory equipment. Household fans generally use the mains supply motor as the power source. The motor drives the fan blades to rotate to force the air behind the fan blades. Drive forward and blow the wind to let the air flow.

At present, there are mainly axial flow fans and centrifugal fans. The conventional axial flow fans mostly use vortex blades, which cause the airflow of the air supply to be disordered, and it is difficult to extend the air supply distance straight, resulting in axial flow. The effective air supply distance is only 3 to 5 meters, and the ventilation effect is relatively reduced. Therefore, how to solve the above problems is the subject of research that the relevant industry players are eager to study.

The main purpose and function of this creation is that the axial flow fan is equipped with a controller on the outside of the machine body to control the motor in the air duct to drive the fan to send out the straight axial flow, and greatly increase the air supply distance and air volume, and enhance the air supply. Efficacy, and the controller and control circuit group will not touch the water and gas contained in the axial airflow, avoiding fault damage, prolonging the service life and making it easier to operate.

In order to achieve the above, the axial flow fan of the present invention comprises a body, a motor seat, a motor, a fan and a controller, wherein: the inner side of the body has an axially extending air duct, and is provided at one end of the air duct. The air inlet is enlarged outwardly and has an air outlet at the other end of the air duct; the motor seat is disposed at the center of the air duct of the air body, and the motor seat is provided with a plurality of air guiding fins extending radially outward, and each air guiding body The end of the piece is fixed to the periphery of the air duct; the motor is fixed to the motor base, the motor has a rotating shaft facing the air inlet; the fan is connected to the rotating shaft of the motor, and the fan has a plurality of blades arranged at intervals; the controller has a control box for controlling The bottom of the box is fixed on the outer surface of the machine body, and a control circuit group is arranged in the control box, and the control circuit group is electrically connected with a power line, a motor start switch and a motor speed switch respectively, so that the control circuit group is driven by the transmission line connection control motor. The fan runs, and the suction airflow sequentially passes through the air inlet, the fan, the air guiding piece of the air duct, and then the straight axial flow airflow is blown through the air outlet of the air duct.

In the axial flow fan, the outer side of the machine body is provided with a plurality of fixing holes corresponding to the control box, the outer side of the bottom of the control box is provided with an outer folding edge, and the outer folding side is provided with a plurality of through holes, and the plurality of bolts are locked through the through hole Fastened to the opposite fixed hole of the body.

In the axial flow fan described above, the motor start switch and the motor speed control switch are disposed on the control box, and the control box is provided with a motor speed control display.

In the axial flow fan described above, one side of the control box is provided with a wire socket, and the power line is electrically connected to the control circuit group through the wire socket.

In the above axial flow fan, a plurality of telecommunication connectors are disposed on one side of the control box, and each telecommunication connector is electrically connected to the control circuit group.

The axial flow fan further includes a fixing frame, the two sides of the fixing frame are relatively bent with an upper strut, the body is disposed between the two upper strut, the upper strut is provided with a through hole, and the two adjusting The bolts are respectively fixed to both sides of the body via the through holes.

1‧‧‧ body

11‧‧‧Wind

111‧‧‧air outlet

112‧‧‧Air inlet

113‧‧‧Perforation

12‧‧‧ hood

121‧‧‧ Ring

13‧‧‧ hood

131‧‧‧ Ring

14‧‧‧Fixed frame

141‧‧‧ bolt

15‧‧‧Fixed holes

16‧‧‧Keyhole

17‧‧‧ grip

2‧‧‧Motor seat

21‧‧‧Guide windshield

3‧‧‧Motor

31‧‧‧ shaft

4‧‧‧Fan

41‧‧‧ blades

5‧‧‧ Controller

51‧‧‧Control box

511‧‧‧Folding

512‧‧‧through hole

513‧‧‧ bolt

52‧‧‧Control circuit group

53‧‧‧Power cord

531‧‧‧Wire socket

54‧‧‧Motor start switch

55‧‧‧Motor speed switch

56‧‧‧Motor speed display

57‧‧‧ transmission line

58‧‧‧Telecom connector

59‧‧‧Motor speed setting setter

6‧‧‧ Fixing frame

61‧‧‧Upper pole

62‧‧‧through hole

63‧‧‧Adjusting bolts

64‧‧‧Washers

The first drawing is a perspective view of the axial flow fan of the present embodiment; the second drawing is a side sectional view of the axial flow fan of the present creation embodiment; the third drawing is a front view of the axial flow fan of the present creation embodiment; The front view of the axial fan of the present embodiment is removed from the front view of the front hood; the fifth view is the rear view of the axial flow fan of the present embodiment; the sixth figure is the rear view of the axial fan of the present embodiment. 7 is a left side view of the axial flow fan of the present embodiment; the eighth figure is a top view of the axial flow fan of the present creation embodiment; and the ninth figure is a perspective view of the body of the axial flow fan of the present creation embodiment; The tenth figure is a perspective view of the controller of the axial flow fan of the present creation embodiment; the eleventh figure is a perspective view of the fixing frame of the axial flow fan of the present creation embodiment.

For the purpose of achieving the above objectives, the technical means and its efficacy, the following is a description of the possible embodiments, and the following description is given as follows: First, please refer to the first to eighth figures, which can be clearly seen from the figure. It can be seen that the axial flow fan of the present invention comprises a body 1, a motor base 2, a motor 3, a fan 4, a controller 5 and a fixing frame 6, wherein: the inside of the body 1 has an axially extending wind The air passage 11 has an air inlet opening 112 which is outwardly curved and has an air outlet 111 at the other end of the air duct 11, and the air outlet 111 and the air inlet 112 are respectively provided at the air passage 11 (see the second figure). The venting covers 12 and 13 and the two venting covers 12 and 13 are respectively provided with a plurality of ring louvers 121 and 131. The venting cover 13 can be fixed by bolts 141 in cooperation with the fixing frame 14. The plurality of fixing holes 15 and the locking holes are arranged outside the body 1. 16, perforation 113 (see the ninth figure), and above the body 1 A grip 17 is provided.

The motor base 2 is disposed at the center of the air duct 11 of the body 1 (refer to the second and fourth figures). The motor base 2 is spaced apart from the plurality of air guiding sheets 21 extending radially outward, and the ends of the air guiding sheets 21 are fixed to the wind. Road 11 weeks.

The motor 3 is fixed to the motor base 2 (see FIGS. 2 and 4), and the motor 3 has a rotating shaft 31 facing the air inlet 112 (see the sixth drawing).

The fan 4 is attached to the rotating shaft 31 of the motor 3 (see FIGS. 2, 4 and 6), and the fan 4 has a plurality of spirally arranged blades 41 arranged at intervals.

The controller 5 has a control box 51. The outer side of the bottom of the control box 51 is provided with an outer folded edge 511, and the outer folded side 511 is provided with a plurality of through holes 512 (refer to the tenth figure), and the plurality of bolts 513 are locked by the through holes 512. The fixing hole 15 is fixed to the outer side of the body 1 so that the bottom of the control box 51 is fixed to the outer surface of the body 1. A control circuit group 52 is disposed in the control box 51, and the control circuit group 52 is electrically connected to the power line 53, the motor start switch 54, and the motor speed switch 55 (see FIG. 10), and the control box 51 is provided on one side. The power cable 53 is electrically connected to the control circuit group 52 through the wire socket 531, and the motor start switch 54 and the motor speed switch 55 are disposed on the control box 51, and the control box 51 is provided with a motor tone. The display 56 is fast, and the control circuit group 52 is electrically connected to the motor 3 via a transmission line 57 (see FIGS. 2 and 9).

The upper side of the fixing frame 6 is relatively bent with an upper rod 61. The body 1 is disposed between the two upper rods 61. The upper rods 61 are respectively provided with through holes 62 (refer to FIG. 11), and two adjustments. The bolts 63 are respectively locked to the lock holes 16 on both sides of the body 1 via the through holes 62 and the washers 64.

In the actual use, the axial flow fan of the present invention uses the control circuit group 52 of the controller 5 to control the motor 3 to drive the fan 4 to operate, and sequentially sucks the airflow. The air inlet 112 of the air duct 11, the fan 4, and the air guiding piece 21, and then the straight axial flow type airflow is blown through the air outlet 111 of the air duct 11, and the air supply distance and the air volume are greatly improved, the air supply efficiency is further improved, and the air supply efficiency is controlled. The device 5 and the control circuit group 52 do not contact the water and gas contained in the axial airflow, and can avoid fault damage, thereby prolonging the service life and being more convenient for operation and use.

Referring to the first, seventh, and tenth drawings, a plurality of telecommunication connectors 58 may be disposed on one side of the control box 51 of the present invention, and the telecommunication connectors 58 are electrically connected to the control circuit group 52, respectively. The control circuit group 52 can receive the externally input motor speed setting mode via the telecommunications connector 58 and cooperate with the motor speed setting set 59 to precisely control the operation of the motor 3.

The above embodiments are only used to facilitate the description of the present invention, and are not intended to be limiting, and all kinds of simple changes and modifications that can be made by those skilled in the art without departing from the spirit of the present invention should still be included in the following patent applications. In the scope.

1‧‧‧ body

11‧‧‧Wind

111‧‧‧air outlet

12‧‧‧ hood

121‧‧‧ Ring

14‧‧‧Fixed frame

17‧‧‧ grip

5‧‧‧ Controller

51‧‧‧Control box

511‧‧‧Folding

513‧‧‧ bolt

52‧‧‧Control circuit group

53‧‧‧Power cord

55‧‧‧Motor speed switch

6‧‧‧ Fixing frame

61‧‧‧Upper pole

63‧‧‧Adjusting bolts

Claims (6)

An axial flow fan includes a body, a motor base, a motor, a fan and a controller, wherein: the inner side of the body has an axially extending air passage, and the inner side of the air duct is provided with an outwardly curved shape. The tuyere has an air outlet at the other end of the air duct; the motor seat is disposed at the center of the air duct of the air body, and the motor seat is provided with a plurality of air guiding fins extending radially outward, and the ends of the air guiding fins are fixed at the periphery of the air duct The motor is fixed to the motor seat, the motor has a rotating shaft facing the air inlet; the fan is connected to the rotating shaft of the motor, and the fan has a plurality of blades arranged at intervals; the controller has a control box, and the bottom of the control box is fixed on the outer side of the body On the surface, a control circuit group is disposed in the control box, and the control circuit group is electrically connected with a power line, a motor start switch, and a motor speed switch, respectively, so that the control circuit group is connected to the control motor via the transmission line to drive the fan to operate to suck the airflow. Directly through the air inlet, fan, air deflector, and then through the air outlet of the air duct to send a straight axial flow. The axial flow fan according to claim 1, wherein the outer side of the body is provided with a plurality of fixing holes corresponding to the control box, and the outer side of the bottom of the control box is provided with an outer folded edge, and the outer folded side is provided with a plurality of through holes. And the plurality of bolts are locked to the opposite fixing holes of the body through the through holes. The axial flow fan of claim 1, wherein the motor start switch and the motor speed control switch are disposed on the control box, and the control box is provided with a motor speed control display. An axial flow fan as claimed in claim 1, wherein the control box is provided on one side There is a wire socket, and the power cable is electrically connected to the control circuit group through the wire socket. The axial flow fan of claim 1, wherein a plurality of telecommunication connectors are disposed on one side of the control box, and each of the telecommunication connectors is electrically connected to the control circuit group. The axial flow fan according to claim 1, further comprising a fixing frame, wherein the two sides of the fixing frame are relatively bent with an upper strut, the body is disposed between the two upper strut, and the two upper strut are respectively A through hole is provided, and two adjusting bolts are respectively fixed to the two sides of the machine body through the through hole.