CN218030796U

CN218030796U - Axial flow fan

Info

Publication number: CN218030796U
Application number: CN202221402069.3U
Authority: CN
Inventors: 张理罡
Original assignee: Jiangsu Giansun Precision Electromechanical Equipment Co ltd
Current assignee: Jiangsu Giansun Precision Electromechanical Equipment Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-12-13
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to an axial fan, it includes dryer (1), be provided with motor (2) in dryer (1), motor (2) output is provided with impeller (3), impeller (3) and dryer (1) are arranged with the axle center, dryer (1) section of thick bamboo wall middle part is provided with a plurality of trompils (4), trompil (4) position department is provided with aviation baffle (5). The utility model relates to an axial fan evenly is provided with a plurality of trompils on its dryer, and trompil position department is provided with the aviation baffle, can concentrate in the outer air induction dryer of trompil and to central zone through the aviation baffle, has improved central wind speed, has increased axial fan range.

Description

Axial flow fan

Technical Field

The utility model relates to an axial fan belongs to fan equipment technical field.

Background

Axial flow fans are airflow in the same direction as the axis of the fan blades, such as electric fans, and fans outside air conditioners are axial flow running fans. The axial flow fan has wide application, can be used for ventilation of places such as general factories, warehouses, offices, houses and the like, can also be used for air coolers (air coolers), evaporators, condensers and the like, and also can be used for mining axial flow fans. The axial flow fan generally comprises an impeller and an air guide ring, wherein the air guide ring is fixed on the periphery of the impeller and plays a role in guiding flow.

When the existing axial flow fan is used as a free fan, blown air flow is quickly diffused to the periphery due to the fact that the restraint effect of a pipeline is not generated, and the phenomena that the air flow velocity is not uniformly distributed, the air speed is large at a short distance and the air speed is severely reduced at a long distance are shown.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an axial fan is provided to above-mentioned prior art, evenly be provided with a plurality of trompils on its dryer, trompil position department is provided with the aviation baffle, can concentrate in the leading-in dryer of the outer air of trompil and to central zone through the aviation baffle, has improved central wind speed, has increased axial fan range.

The utility model provides a technical scheme that above-mentioned problem adopted does: the axial flow fan comprises an air duct, wherein a motor is arranged in the air duct, an impeller is arranged at the output end of the motor, the impeller and the air duct are coaxially arranged, a plurality of holes are formed in the middle of the wall of the air duct, and an air deflector is arranged at the position of each hole.

Optionally, the plurality of openings are located on the same circumference; a plurality of openings are located behind the impeller.

Optionally, the number of the openings is 9.

Optionally, the air deflector is arranged obliquely towards the rear.

Optionally, an included angle between the air deflector and the wall of the air duct is 55-65 degrees.

Optionally, the front end of the air duct is an air outlet, the rear section of the air duct is an air inlet, and a plurality of air guide blades are arranged at the position of the air outlet.

Optionally, the air guide vanes are arranged perpendicular to the impeller direction.

Optionally, the number of the air guide blades is 12.

Optionally, the air outlet central point puts and is provided with the connecting plate, wind-guiding leaf connection sets up between connecting plate and dryer inner wall.

Optionally, the whole air guide vane is in a right-angled triangle shape; the air guide vane comprises a short edge, a long edge and a bevel edge, the short edge is connected with the inner wall of the air duct, and the long edge is flush with the front end face of the air duct; and an arc shape is formed between the short edge and the bevel edge. Compared with the prior art, the utility model has the advantages of:

1. the air duct of the utility model is evenly provided with a plurality of openings, and the air outside the openings can be sucked into the air duct, thereby supplementing the air quantity of the fan and improving the efficiency of the fan;

2. the air deflector is arranged at the position of the opening, and the sucked air can be concentrated to the central area through the air deflector, so that the central wind speed is improved, and the firing range of the axial flow fan is increased;

3. the utility model discloses dryer air outlet position department is provided with the guide vane, can guide rotatory outside scattered air current to the rotation center, plays the effect of collection wind, realizes the long range.

Drawings

Fig. 1 is the structure schematic diagram of the axial flow fan of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic structural view of the wind guide blade in fig. 1.

Wherein:

air duct 1

Air outlet 11

Air inlet 12

Electric machine 2

Impeller 3

Opening 4

Air deflector 5

Wind guide blade 6

Short side 61

Long side 62

Beveled edge 63

A connecting plate 7.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, the axial flow fan in this embodiment includes an air duct 1, a motor 2 is disposed in the air duct 1, an impeller 3 is disposed at an output end of the motor 2, the impeller 3 and the air duct 1 are coaxially arranged, a plurality of openings 4 are disposed in a middle portion of a wall of the air duct 1, and an air deflector 5 is disposed at a position of each opening 4;

the plurality of openings 4 are positioned on the same circumference;

a plurality of openings 4 are positioned behind the impeller 3;

the number of the openings 4 is 9;

the air deflector 5 is obliquely arranged towards the back;

the included angle between the air deflector 5 and the wall of the air duct 1 is 55-65 degrees, and preferably 60 degrees;

the front end of the air duct 1 is an air outlet 11, the rear section of the air duct is an air inlet 12, and a plurality of air guide blades 6 are arranged at the position of the air outlet 11;

the guide vanes 6 are arranged in a direction vertical to the impeller 3;

the number of the guide vanes 6 is 12;

the central position of the air outlet 11 is provided with a connecting plate 7, and the air guide blades 6 are connected between the connecting plate 7 and the inner wall of the air duct 1;

the whole guide fan 6 is in a right-angled triangle shape;

the air guide vane 6 comprises a short edge 61, a long edge 62 and a bevel edge 63, wherein the short edge 61 is connected with the inner wall of the air duct 1, and the long edge 62 is flush with the front end face of the air duct 1;

the short edge 61 and the bevel edge 63 are arranged in an arc shape;

the angle between the long side 62 and the oblique side 63 is 25-35 degrees, preferably 30 degrees.

In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. The utility model provides an axial fan which characterized in that: the wind power generation device comprises a wind barrel (1), wherein a motor (2) is arranged in the wind barrel (1), an impeller (3) is arranged at the output end of the motor (2), the impeller (3) and the wind barrel (1) are arranged coaxially, a plurality of holes (4) are formed in the middle of the wall of the wind barrel (1), and a wind deflector (5) is arranged at the position of each hole (4).

2. The axial flow fan of claim 1, wherein: a plurality of openings (4) are positioned on the same circumference; the plurality of openings (4) are located behind the impeller (3).

3. The axial flow fan of claim 1, wherein: the number of the openings (4) is 9.

4. The axial flow fan of claim 1, wherein: the air guide plate (5) is obliquely arranged towards the rear and outwards.

5. The axial flow fan of claim 1, wherein: the included angle between the air deflector (5) and the wall of the air duct (1) is 55-65 degrees.

6. The axial flow fan of claim 1, wherein: the air duct is characterized in that the front end of the air duct (1) is an air outlet (11), the rear section of the air duct is an air inlet (12), and a plurality of air guide blades (6) are arranged at the position of the air outlet (11).

7. The axial flow fan of claim 6, wherein: the air guide blades (6) are arranged in a direction perpendicular to the impeller (3).

8. The axial flow fan of claim 6, wherein: the number of the guide vanes (6) is 12.

9. The axial flow fan of claim 6, wherein: the central position of the air outlet (11) is provided with a connecting plate (7), and the fan guide blades (6) are connected and arranged between the connecting plate (7) and the inner wall of the air duct (1).

10. The axial flow fan of claim 6, wherein: the whole guide fan blade (6) is in a right-angled triangle shape; the air guide vane (6) comprises a short edge (61), a long edge (62) and a bevel edge (63), the short edge (61) is connected with the inner wall of the air duct (1), and the long edge (62) is flush with the front end face of the air duct (1); the short side (61) and the bevel side (63) are arranged in an arc shape.