CN106015057B - Cooling fan - Google Patents

Abstract

Cooling fan, including motor, blade, safety net；It is characterized by: blade is mounted on motor, safety net is installed in the outside of blade, safety net is fixedly mounted on the right side of motor, from inside outwards be sequentially installed in the right side of safety net and accelerate aerofoil, disturb aerofoil and deceleration aerofoil, accelerate aerofoil, disturb aerofoil, the shape of deceleration aerofoil is circle；Funnel air port is uniform-distribution on the surface for entirely accelerating aerofoil, the axial line section in funnel air port is a funnel shaped, it is a square orifice on the left of funnel air port, it is a circular port on the right side of funnel air port, on the right side of acceleration aerofoil is to disturb aerofoil, the surface for disturbing aerofoil is made of many hemispherical surfaces, it disturbs each hemisphere surface on aerofoil and corresponds to a funnel air port, it is close to that disturb on the right side of aerofoil be deceleration aerofoil, is uniform-distribution with deceleration aerofoil circle air outlet in the upper surface of deceleration aerofoil.

Description

Cooling fan

Technical field

The present invention relates to cooling fans, are suitable for all fan blade type fans, belong to household electrical appliance technology and field of energy-saving technology.

Background technique

Current domestic electric fan is to drive fan blade rotation that air is pushed forward to form air stream by motor (wind) has a closed safety net in the outside of fan, and wind blows to outside by positive safety net, and the front of safety net is By some metal wire knitteds at a simple wire side, wind can it is smooth, steadily pass through this wire side；The structure of cooling fan is then Largely essentially identical with current domestic fan, different parts is on the positive wire side of safety net, with common electric fan Wire side is different, the wire side of cooling fan by three layers of different structure acceleration aerofoil, disturb aerofoil, antitriptic wind board group at through fan blade The air of driving after obtaining a degree of cooling after accelerating the acceleration of aerofoil, disturbed aerofoil and slowed down after dispersion again through slowing down Aerofoil slows down to form uniform cooling wind, and this cooling fan can make the wind produced by boasting reduce temperature and reach 2 DEG C~10 DEG C, because The power of motor of this cooling fan is more too many at the worst than the power of motor of conventional fan, but can accomplish the cooling effect of air-conditioning, So this cooling fan is very energy-efficient relative to cooling effect of air-conditioning.

Summary of the invention

The object of the present invention is to provide a kind of distinguished and admirable drops to be cooled down flowed through using infundibulate wind-accelerated structure Temperature fan.

Cooling fan, including motor, blade, safety net；It is characterized by:

1, blade is mounted on motor, is equipped with safety net in the outside of blade, safety net is fixedly mounted on the right side of motor Side, the right side of safety net from inside outwards, i.e., be sequentially installed with from left to right accelerate aerofoil, disturb aerofoil and deceleration aerofoil, add Fast aerofoil, disturb aerofoil, deceleration aerofoil shape for circle；It is uniform-distribution with funnel air port on the surface for entirely accelerating aerofoil, The axial line section in funnel air port is a funnel shaped, is a square orifice, the side length of square orifice on the left of funnel air port It is a circular port on the right side of funnel air port for B, the diameter of circular port is d, and the outer dimension B of square orifice is greater than circular port Outer dimension d accelerates aerofoil mainly to play a part of improving wind speed to reduce wind own temperature, the degree of wind own temperature decline With the ratio B/d of the diameter d of the side length B and circular port of square orifice at certain proportional relation, the wind pressure formed with electric fan at Certain proportional relation, i.e. B/d value is bigger, and cooling fan cools down, and degree is bigger, and wind pressure is bigger, and cooling fan cooling degree is also bigger； On the right side of acceleration aerofoil is to disturb aerofoil, and the surface for disturbing aerofoil is made of many hemispherical surfaces, is disturbed each on aerofoil A hemisphere surface corresponds to a funnel air port, the central axis in funnel air port and the half of each hemisphere surface disturbed on aerofoil Ball center's axis is corresponding to be overlapped, and is uniform-distribution in these hemispherical surfaces and is disturbed aerofoil circle air outlet, round air outlet is It is configured along the radial direction of hemisphere, the centerline direction of each circle air outlet each means the center to hemisphere, disturbs aerofoil master Playing reduces wind speed and disperses distinguished and admirable effect；It is close to that disturb on the right side of aerofoil be deceleration aerofoil, in the upper surface of deceleration aerofoil It is uniform-distribution with deceleration aerofoil circle air outlet, the main function of deceleration aerofoil is the speed for further decreasing wind, and wind is by subtracting The wind of uniformly dispersing can be formed after fast aerofoil circle air outlet.

2, deceleration aerofoil can be one or more layers metallic sieve.

3, band movable vane piece rotates after motor powers on, and blade driving air moves to the right forms wind, when to the right Wind will enter through the square orifice in funnel air port when the wind of movement encounters acceleration aerofoil and circular port blows to right side, due to leakage Bucket air port sectional area be during from left to right it is gradually smaller, in the case where fan delivery immobilizes, wind Wind speed when across circular port will be improved, while wind pressure value also will increase, since wind is during passing through circular port Own vol is compressed, therefore wind can release its own heat carried, so that accelerating the wind-warm syndrome ratio on the right side of aerofoil Wind-warm syndrome on the left of acceleration aerofoil can be 2~10 DEG C low；Wind after circular port is provided with higher wind speed and lower temperature, The aerofoil circle air outlet of disturbing passed through in hemisphere surface after this strand of wind, which is encountered, disturbs aerofoil enters the right side for disturbing aerofoil, due to Disturb aerofoil circle air outlet diameter it is smaller and each disturb aerofoil circle air outlet direction it is identical, so this strand of wind pass through disturb Two variations can be generated after aerofoil circle air outlet, first is that the reduction of wind speed, second is that the wind direction in original flow set is dispersed into The thread wind for being covered with entire hemisphere inner surface is blown out to the right from hemisphere inner surface, thus make wind energy be more uniformly full of disturb aerofoil with Confined space between deceleration aerofoil；Finally the circle outlet air of deceleration aerofoil is being passed through positioned at the wind disturbed between aerofoil and deceleration aerofoil Wind speed can be reduced further when mouth, and the wind for blowing out cooling fan was not only soft but also nice and cool.

Compared with the prior art, the present invention has the following advantages:

1, there are no see such product in the market.

2, the present invention is novel in design, structurally simple, economical practical, durable.

3, wind its wind-force that the present invention is blown out is soft, uniform, and cooling effect is good, relative to air-conditioning temperature-reducing, energy conservation effect Fruit is good.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure of the embodiment of the present invention；

Fig. 2 is P enlarged diagram in embodiment illustrated in fig. 1；

Fig. 3 is A-A diagrammatic cross-section in embodiment illustrated in fig. 1；

Fig. 4 is T enlarged diagram in embodiment illustrated in fig. 3；

Fig. 5 is S enlarged diagram in embodiment illustrated in fig. 2；

Fig. 6 is R enlarged diagram in embodiment illustrated in fig. 2；

Fig. 7 is Q enlarged diagram in embodiment illustrated in fig. 2.

In Fig. 1-7: 1, motor, 2, blade, 3, safety net, 4, accelerate aerofoil, 5, disturb aerofoil, 6, deceleration aerofoil, 7, funnel Air port, 8, square orifice, 9, circular port, 10, disturb aerofoil circle air outlet, 11, deceleration aerofoil circle air outlet.

Specific embodiment

In the embodiment shown in Fig. 1-7: cooling fan, including motor 1, blade 2, safety net 3；It is characterized by: blade 2 are mounted on motor 1, are equipped with safety net 3 in the outside of blade 2, safety net 3 is fixedly mounted on the right side of motor 1, in safety The right side of net 3 from inside outwards, i.e., is sequentially installed with from left to right and accelerates aerofoil 4, disturbs aerofoil 5 and deceleration aerofoil 6, accelerate aerofoil 4, aerofoil 5 is disturbed, the shape of deceleration aerofoil 6 is circle；It is uniform-distribution with funnel air port 7 on the surface for entirely accelerating aerofoil 4, is leaked The axial line section in bucket air port 7 is a funnel shaped, is a square orifice 8, the side of square orifice 8 in the left side in funnel air port 7 A length of B is a circular port 9 on the right side in funnel air port 7, and the diameter of circular port 9 is d, and the outer dimension B of square orifice 8 is greater than 9 outer dimension d of circular port accelerates aerofoil 4 mainly to play a part of improving wind speed to reduce wind own temperature, under wind own temperature The ratio B/d of the diameter d of the degree of drop and the side length B of square orifice 8 and circular port 9 are at certain proportional relation, with electric wind sector At wind pressure at certain proportional relation；It is to disturb aerofoil 5 next to accelerate 4 right side of aerofoil, disturbs the surface of aerofoil 5 by many half Spherical surface composition, disturbs each hemisphere surface on aerofoil 5 and corresponds to a funnel air port 7, the central axis in funnel air port 7 It is corresponding with the hemisphere central axis of each hemisphere surface disturbed on aerofoil 5 to be overlapped, it is uniformly distributed in these hemispherical surfaces Disturb aerofoil circle air outlet 10, round air outlet is configured along the radial direction of hemisphere, it is each circle air outlet center Line direction each means the center to hemisphere, disturbs aerofoil 5 and mainly plays reduction wind speed and disperse distinguished and admirable effect；It is close to and disturbs aerofoil 5 right sides are deceleration aerofoils 6, are uniform-distribution with deceleration aerofoil circle air outlet 11, deceleration aerofoil 6 in the upper surface of deceleration aerofoil 6 Main function be the speed for further decreasing wind, wind can form uniformly dispersing after deceleration aerofoil circle air outlet 11 Wind.

Deceleration aerofoil 6 can be one or more layers metallic sieve.

Band movable vane piece 2 rotates after motor 1 powers on, and blade 2 drives air to move to the right and forms wind, when to the right Wind will enter through the square orifice 8 in funnel air port 7 when the wind of movement encounters acceleration aerofoil 4 and circular port 9 blows to right side, by Be during sectional area in funnel air port 7 is from left to right it is gradually smaller, the case where fan delivery immobilizes Under, wind speed when wind passes through circular port 9 will be improved, while wind pressure value also will increase, since wind is passing through circular port 9 Own vol is compressed in the process, therefore wind can release its own heat carried, so that accelerating 4 right side of aerofoil Wind-warm syndrome can be 2~10 DEG C low than the wind-warm syndrome in 4 left side of acceleration aerofoil；Wind after circular port 9 be provided with higher wind speed and compared with Low temperature, the aerofoil circle air outlet 10 of disturbing passed through in hemisphere surface after this strand of wind, which is encountered, disturbs aerofoil 5 enter and disturb wind The right side of plate 5, the diameter due to disturbing aerofoil circle air outlet 10 it is smaller and each disturb aerofoil circle air outlet 10 direction it is identical, So this strand of wind can generate two variations after disturbing aerofoil circle air outlet 10, first is that the reduction of wind speed, second is that original Wind direction in flow set, which is dispersed into, to be covered with the thread wind of entire hemisphere inner surface and blows out to the right from hemisphere inner surface, to make wind energy More uniformly full of the confined space disturbed between aerofoil 5 and deceleration aerofoil 6；Most positioned at the wind disturbed between aerofoil 5 and deceleration aerofoil 6 When passing through deceleration aerofoil circle air outlet 11, wind speed can be reduced further afterwards, and the wind for blowing out cooling fan was both It is soft and nice and cool.

Claims (1)

1. cooling fan, including motor (1), blade (2), safety net (3)；It is characterized by: blade (2) is mounted on motor (1), It is equipped with safety net (3) in the outside of blade (2), safety net (3) is fixedly mounted on the right side of motor (1), in safety net (3) Right side from inside outwards, i.e., is sequentially installed with from left to right and accelerates aerofoil (4), disturbs aerofoil (5) and deceleration aerofoil (6), accelerate wind Plate (4), disturb aerofoil (5), deceleration aerofoil (6) shape for circle；Leakage is uniform-distribution on the surface for entirely accelerating aerofoil (4) It struggles against air port (7), it is one rectangular on the left of funnel air port (7) that the axial line section of funnel air port (7), which is a funnel shaped, The side length of mouth (8), square orifice (8) is B, is a circular port (9) on the right side of funnel air port (7), the diameter of circular port (9) is The outer dimension B of d, square orifice (8) are greater than circular port (9) outer dimension d, accelerate aerofoil (4) mainly to play and improve wind speed to drop The effect of low wind own temperature, the diameter d's of the side length B and circular port (9) of the degree and square orifice (8) of wind own temperature decline Ratio B/d is at certain proportional relation, and the wind pressure formed with electric fan is at certain proportional relation, i.e. B/d value is bigger, cooling fan Cooling degree is bigger, and wind pressure is bigger, and cooling fan cooling degree is also bigger；On the right side of acceleration aerofoil (4) is to disturb aerofoil (5), the surface for disturbing aerofoil (5) is made of many hemispherical surfaces, each hemisphere surface disturbed on aerofoil (5) corresponds to one Funnel air port (7), the hemisphere central axis of the central axis of funnel air port (7) and each hemisphere surface disturbed on aerofoil (5) It is corresponding to be overlapped, it is uniform-distribution in these hemispherical surfaces and disturbs aerofoil circle air outlet (10), round air outlet is along half The radial direction of ball is configured, and the centerline direction of each circle air outlet each means the center to hemisphere, is disturbed aerofoil (5) and is mainly risen Reduce wind speed and disperse distinguished and admirable effect；It is close to that disturb on the right side of aerofoil (5) be deceleration aerofoil (6), in deceleration aerofoil (6) It is uniform-distribution with deceleration aerofoil circle air outlet (11) above, the main function of deceleration aerofoil (6) is the speed for further decreasing wind Degree, wind can form the wind of uniformly dispersing after deceleration aerofoil circle air outlet (11).