CN202125465U

CN202125465U - Air inlet fan

Info

Publication number: CN202125465U
Application number: CN2011201798025U
Authority: CN
Inventors: 李怡华; 王贤瑾; 袁春明
Original assignee: Beijing Branch Of Shanghai Yinda Technology Group Co Ltd
Current assignee: Beijing Branch Of Shanghai Yinda Technology Group Co Ltd
Priority date: 2011-05-31
Filing date: 2011-05-31
Publication date: 2012-01-25
Anticipated expiration: 2021-05-31

Abstract

The utility model discloses an air inlet fan, which comprises an air inlet component (1), an air outlet component (2), a fan box body (3) and an air outlet unit (4); a first air inlet (13) of the air inlet component (1) is connected with a second air inlet (31) of the fan box body (3), and the area of the first air inlet (13) of the air inlet component (1) is greater than that of the second air inlet (31) of the fan box body (3); a first air outlet (24) of the air outlet component (2) is connected with a second air outlet (32) of the fan box body (3), and the area of the first air outlet (24) of the air outlet component (2) is greater than that of the second air outlet (32) of the fan box body (3); and the air outlet unit (4) is disposed in the fan box body (3). The air inlet fan has smaller power in comparison with that of the air inlet fan in the prior art.

Description

A kind of air intake machine

Technical field

The utility model relates to the blower fan technical field, particularly relates to a kind of air intake machine.

Background technique

Blower fan is the mechanical energy that relies on input, improves supply gas the side by side machinery of body of gas pressure, and it is a kind of driven fluid machinery.Blower fan is widely used in ventilation, dust discharge and the cooling of factory, mine, tunnel, cooling tower, vehicle, boats and ships and building; The ventilation of boiler and industrial furnace and air inducing; Cooling in the apparatus of air conditioning and the domestic electric appliance and ventilation; The oven dry of cereal and selecting and recommending; The inflation of wind-tunnel wind regime and Hovercraft and propelling etc.

No matter be the blower fan that is applied in various occasions, all possess intake grill and exhaust outlet, the shield that one of the top operated by rotary motion of intake grill can water proof and dust proof; And in order to prevent that external impurities from getting into blower fan inside and at intake grill and exhaust outlet a gauze being set all along with air, gauze can stop the entering of some foreign material, but also makes intake velocity and air-out speed slow down simultaneously; In order to satisfy the needs of air output in the unit time, must make the motor in the blower fan accelerate running, the rotating speed of motor is fast more; The temperature of motor is just high more; The wearing and tearing of motor are also just big more, influence the working life of motor, the more important thing is that the rotating speed of accelerating motor needs higher electric energy to drive; Power consumption is higher, and is energy-conservation inadequately.

The model utility content

The purpose of the utility model is to provide a kind of air intake machine, the high problem of power consumption that it has solved blower fan of the prior art because air intake and air-out speed are slow.

A kind of air intake machine for realizing that the utility model purpose provides comprises air intake assembly, air-out assembly, fan box and air draft unit; The second intake grill UNICOM of first intake grill of said air intake assembly and said fan box, the area of first intake grill of said air intake assembly is greater than the area of second intake grill of fan box; The second exhaust outlet UNICOM of first exhaust outlet of said air-out assembly and said fan box, the area of first exhaust outlet of said air-out assembly is greater than the area of second exhaust outlet of fan box; Said air draft unit is arranged in the fan box.

Wherein, first intake grill of said air intake assembly is provided with the air intake gauze.

Wherein, first exhaust outlet of said air-out assembly is provided with the air-out gauze.

Wherein, the area of first intake grill of said air intake assembly be fan box second intake grill area 2-6 doubly.

Wherein, the area of first exhaust outlet of said air-out assembly be said fan box second exhaust outlet area 2-6 doubly.

Wherein, said air intake assembly is positioned on the side at second intake grill place of fan box, and said air-out assembly is positioned on the side at second exhaust outlet place of fan box, and said air intake assembly and said air-out assembly are at an angle of 90.

Wherein, said air intake assembly comprises loam cake and air intake gauze; Said loam cake is positioned at the top of said air intake gauze, and the part edge of said air intake gauze is fixedly connected with the part edge of said loam cake.

Wherein, said air-out assembly comprises air-out gauze, filter cotton and fixing frame; Said fixing frame is a square frame shape, is fixedly connected on the side that has exhaust outlet of outer surface of fan box; Said filter cotton is clamped between said fixing frame and the said air-out gauze.

Wherein, second exhaust outlet of said fan box is provided with air velocity transducer.

Wherein, said loam cake is provided with temperature and humidity sensor.

The beneficial effect of the utility model is: a kind of air intake machine of the utility model; Through specific air intake assembly of structure and air-out assembly are set; Make intake velocity and air-out speed all obviously increase; Thereby make in the blower fan motor with less rotating speed just can acquisitions needs air intake or air output, make the power consumption of blower fan reduce, the life-span prolongation.

Description of drawings

Fig. 1 is the stereogram from the lower right stravismus of the air intake assembly of the utility model;

Fig. 2 is the stereogram (default filter cotton) from the left bottom stravismus of the air-out assembly of the utility model;

Fig. 3 is the stereogram from the right side stravismus of the fan box of the utility model;

Fig. 4 is the stereogram from the lower right stravismus of the air intake machine of the utility model.

Embodiment

For the purpose, technological scheme and the advantage that make the utility model is clearer,, a kind of air intake machine of the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Referring to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the stereogram from the lower right stravismus of the air intake assembly of the utility model; Fig. 2 is the stereogram (default filter cotton) from the left bottom stravismus of the air-out assembly of the utility model; Fig. 3 is the stereogram from the right side stravismus of the fan box of the utility model.

Air intake assembly 1 comprises loam cake 11 and air intake gauze 12.Loam cake 11 is that a up-narrow and down-wide cross section is the structure of trapezoidal hollow; The lower limb of loam cake 11 is connected with the part edge of air intake gauze 12; Another part edge of air intake gauze 12 and the residue edge of loam cake 11 are in same plane; And surrounded the mouth of rectangle, with second intake grill, 31 UNICOMs of fan box 3.

Outside air gets in the blower fan from air intake gauze 12, and the position at air intake gauze 12 places is the position of first intake grill 13 of air intake assembly 1 just.

Loam cake 11 is mainly used in the entering blower fans such as preventing rainwater, and gauze mainly is in order to prevent that some foreign material from along with air gets in the blower fan, influencing blower fan and normally moving.Also be provided with the fixed block that is used to insert screw on the loam cake 11, be used for air intake assembly 1 being fixed on the wall through screw.

Preferably, air intake assembly 1 also comprises temperature and humidity sensor 14; Temperature and humidity sensor 14 is fixedly connected on the loam cake 11 of air intake assembly 1, is used for the temperature and humidity of measuring chamber outer air.

Air-out assembly 2 comprises air-out gauze 21, filter cotton 23 and fixing frame 22; Fixing frame 22 is a square frame shape, is fixedly connected on the side at second exhaust outlet 32 place of outer surface of fan box 3; Filter cotton 23 is clamped between fixing frame 22 and the air-out gauze 21.

The inner air of blower fan is gone out from air-out gauze 21, and the position at air-out gauze 21 places is the position of first exhaust outlet 24 of air-out assembly 2 just.

Fan box 3 comprises second intake grill 31, second exhaust outlet 32, case body 33 and cylindrical passageway 34.Be provided with four fixed blocks 35 on the fuselage, be positioned at top edge and lower limb on the side at second intake grill 31 place, be used for through screw on the wall blower fan; Can beat what a circular channel in advance on the wall; Be used to place cylindrical passageway 34, second intake grill 31 of blower fan is fixedly connected through this cylindrical passageway with air intake assembly 1, and promptly air intake assembly 1 is as for outdoor; And that fan box 3 places is indoor, through as within the walls cylindrical passageway 34 UNICOMs.

Air draft unit 4 places the inside of fan box 3, for equipment known in this field, repeats no more.

Referring to Fig. 4, Fig. 4 is the stereogram from the lower right stravismus of the air intake machine of the utility model.

The air intake machine that the utility model provides comprises air intake assembly 1, air-out assembly 2, fan box 3 and air draft unit 4.

First intake grill 13 of air intake assembly 1 and second intake grill, 31 UNICOMs of fan box 3, the area of first intake grill 13 of air intake assembly 1 is greater than the area of second intake grill 31 of fan box 3, and first intake grill 13 of air intake assembly 1 is provided with air intake gauze 12; First exhaust outlet 24 of air-out assembly 2 and second exhaust outlet, 32 UNICOMs of fan box 3, the area of first exhaust outlet 24 of air-out assembly 2 is greater than the area of second exhaust outlet 32 of fan box 3, and first exhaust outlet 24 of air-out assembly 2 is provided with air-out gauze 21.

How much bigger the area of first intake grill 13 of air intake assembly 1 is than the area of second intake grill 31 of fan box 3; Can be decided according to actual conditions by those skilled in the art, the area that for example can set first intake grill 13 of air intake assembly 1 is 2 times of second intake grill 31 of fan box 3.

How much bigger the area of first exhaust outlet 24 of air-out assembly 2 is than the area of second exhaust outlet 32 of fan box 3; Can be decided according to actual conditions by those skilled in the art, the area that for example can set first exhaust outlet 24 of air-out assembly 2 is 6 times of fan box 3 second exhaust outlets 32.

Air draft unit 4 is owing to place fan box 3 inside, and is existing technology, so not shown air draft unit 4 among Fig. 4.

Preferably, the air intake machine of the utility model also comprises air velocity transducer 36, and air velocity transducer 36 is fixedly connected on the side at second exhaust outlet 32 place of fan box 3, is used to test out the wind speed degree.

The utility model is provided with air intake assembly 1 and air-out assembly 2 through second intake grill 31 and second exhaust outlet 32 at blower fan, makes air intake passage and air-out passage more unimpeded, and the air draft unit in the blower fan more is prone to operation, and it is littler to consume energy, and the life-span is longer.

Should be noted that at last that obviously those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, if these of the utility model are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification.

Claims

1. an air intake machine is characterized in that, comprises air intake assembly (1), air-out assembly (2), fan box (3) and air draft unit (4);

Second intake grill (31) UNICOM of first intake grill (13) of said air intake assembly (1) and said fan box (3), the area of first intake grill (13) of said air intake assembly (1) is greater than the area of second intake grill (31) of fan box (3);

Second exhaust outlet (32) UNICOM of first exhaust outlet (24) of said air-out assembly (2) and said fan box (3), the area of first exhaust outlet (24) of said air-out assembly (2) is greater than the area of second exhaust outlet (32) of fan box (3);

Said air draft unit (4) is arranged in the fan box (3).

2. air intake machine according to claim 1 is characterized in that, first intake grill (13) of said air intake assembly (1) is provided with air intake gauze (12).

3. air intake machine according to claim 1 is characterized in that, first exhaust outlet (24) of said air-out assembly (2) is provided with air-out gauze (21).

4. air intake machine according to claim 1 is characterized in that, the area of first intake grill (13) of said air intake assembly (1) be fan box (3) second intake grill (31) area 2-6 doubly.

5. air intake machine according to claim 1 is characterized in that, the area of first exhaust outlet (24) of said air-out assembly (2) be said fan box (3) second exhaust outlet (32) area 2-6 doubly.

6. air intake machine according to claim 1; It is characterized in that; Said air intake assembly (1) is positioned on the side at second intake grill (31) place of fan box (3); Said air-out assembly (2) is positioned on the side at second exhaust outlet (32) place of fan box (3), and said air intake assembly (1) and said air-out assembly (2) are at an angle of 90.

7. air intake machine according to claim 2 is characterized in that, said air intake assembly (1) comprises loam cake (11) and air intake gauze (12);

Said loam cake (11) is positioned at the top of said air intake gauze (12), and the part edge of said air intake gauze (12) is fixedly connected with the part edge of said loam cake (11).

8. air intake machine according to claim 3 is characterized in that, said air-out assembly (2) comprises air-out gauze (21), filter cotton (23) and fixing frame (22);

Said fixing frame (22) is a square frame shape, is fixedly connected on the side that has exhaust outlet of outer surface of fan box (3);

Said filter cotton (23) is clamped between said fixing frame (22) and the said air-out gauze (21).

9. air intake machine according to claim 1 is characterized in that, second exhaust outlet (32) of said fan box (3) is provided with air velocity transducer (36).

10. air intake machine according to claim 4 is characterized in that, said loam cake (11) is provided with temperature and humidity sensor (14).