CN218817229U - Fan air guide device and fan - Google Patents

Abstract

The utility model discloses a fan air ducting and fan, its characterized in that, fan air ducting include air ducting main part (1), be equipped with a plurality of stator (3) in air ducting main part (1), stator (3) are the arc, form vent (4) between two liang of stator (3). On the basis of the existing air channel, the radian of the guide vane is changed, the guide vane is lengthened, the air inlet end of the guide vane is inclined at a certain radian, air resistance can be reduced, and air speed and flow are increased so as to achieve the effect of increasing the suction force of the fan.

Description

Fan air guide device and fan

Technical Field

The utility model relates to an air ducting, in particular to fan air ducting and fan are applied to fan equipment technical field.

Background

The fan is a driven fluid machine which increases the gas pressure and discharges the gas by means of the input mechanical energy, and the fan is a device which converts the electric energy into the air kinetic energy, can play the roles of cooling, ventilating, exhausting and the like, and is widely applied to the industry. When the fan runs, the wind volume, the wind pressure and the power of the fan can be accurately changed by changing the angle of the blade, so that the fan is widely applied to cooling large-scale equipment.

The fan is widely applied to ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and is also applied to cooling and ventilation of air conditioning equipment and household electrical appliance equipment. The fans are classified according to the flowing direction of the air and can be divided into centrifugal type, axial flow type, diagonal flow type and transverse flow type

The common fan in the market uses brushless motor at present, and the stator outside end in the wind channel of its fan is with wind channel bottom surface parallel and level to the wind channel is linear slope, and the fan suction and the flow in this kind of structure wind channel are less, so such fan work efficiency is lower.

Disclosure of Invention

Fan suction and flow among the prior art to the aforesaid are less, lead to the problem that work efficiency is low, the utility model provides a fan air ducting, it changes stator radian on through current wind channel basis, adds long stator length to add long ventilation channel, in order to reach the effect of increase suction.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a fan air ducting, fan air ducting includes the air ducting main part, be equipped with the stator more than two in the air ducting main part, the stator is the arc, forms the vent between two liang of stator.

Further, a horizontal included angle alpha is formed between the guide vane and the ventilation opening, and the alpha is 30-65 degrees.

Further, the guide vane cross section is concave arc.

Further, the guide vanes are distributed equidistantly.

Further, α is 60 °.

Further, the number of the guide vanes is 13.

Further, fan air ducting includes circular leg and connects the platform, the stator sets up circular leg with connect between the platform, it can make the mounting hole of motor installation to be equipped with on the connection platform.

Further, circular wall includes first circular wall and the circular wall of second, first circular wall sets up the circular wall top of second, the circular wall diameter of second is greater than first circular wall diameter, first circular wall the circular wall of second the guide vane with connect platform integrated into one piece.

Further, the connection platform is arranged in the first circular surrounding wall, the connection platform is arranged below the opening of the first circular surrounding wall, the guide vane comprises a first contact point and a second contact point, the first contact point is arranged below the upper edge of the first circular surrounding wall and is higher than the connection platform, and the second contact point is arranged at the upper edge of the connection platform.

Further, the fan comprises any one of the fan air guide devices.

The utility model has the advantages that: the utility model provides a fan air ducting, on through current wind channel basis, change stator radian, add the extension stator, stator air inlet end is certain radian slope form, can alleviate air resistance, increase wind speed and flow to reach the effect of increase fan suction.

Drawings

Fig. 1 is a perspective view of a fan wind guide device provided by the present invention;

fig. 2 is a perspective view of the fan wind guiding device provided by the present invention;

fig. 3 is a rear view of the fan wind guiding device provided by the present invention;

fig. 4 is a perspective view of the fan wind guide device provided by the present invention;

fig. 5 is a front view of the fan wind guide device provided by the present invention;

fig. 6 is a perspective view of the fan wind guide device provided by the present invention;

fig. 7 is an enlarged view of a of the fan guide device provided by the present invention;

fig. 8 is a sectional view of the fan wind guide device provided by the present invention.

Reference numerals are as follows: 1-an air guide device main body; 11-circular surrounding wall; 111-a first circular wall; 112-a second circular wall; 12-a connection station; 13-mounting holes; 3-guide vanes; 31-a first contact point; 32-second contact point; 4-a vent; 5-connecting holes; 6-a limiting column; 7-a limiting hole; 8-reinforcing ribs; 9-bearing mounting groove; alpha-horizontal included angle.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-8, the present invention provides a fan wind guiding device, which comprises a wind guiding device main body 1, wherein two or more guide vanes 3 are arranged on the wind guiding device main body 1, the guide vanes 3 are arc-shaped, and a ventilation opening 4 is formed between every two guide vanes 3. The outer side end of the guide vane of the air duct of the fan on the current market is flush with the bottom surface of the air duct, the air duct is linearly inclined, the shape of the guide vane is changed from linear to arc, the arc guide vane enables air flow to be smooth and small in resistance, and therefore flow and suction force can be increased.

In this embodiment, a horizontal included angle α is formed between the guide vane 3 and the vent 4, where α is 30 to 65 °, the inclination of the guide vane needs to be set properly, and if 90 ° is set to be linear, the air duct is not changed from the previous air duct, the flow rate is not large enough, and the suction force is not large enough, because the linear guide vane is not smooth enough and has large resistance, and if the inclination of the guide vane is set to 1 to 30 °, the length of the guide vane is increased, the vent 4 is also increased, but the vent becomes slender, and the resistance of the vent 4 is also large, which may cause the air flow to be blocked, the flow rate to be small, and the suction force to be small.

In this embodiment, as shown in fig. 7, the cross section of the guide vane 3 is a concave arc, the concave arc is arranged to make the guide vane smoother, so that the air flow of the air is smoother, if an arc is directly arranged, the cross section of the guide vane is straight, so that the air flow is not so smooth, so that the flow velocity is not so fast, and a concentrated buffer is provided, so that the air is gathered in the concave groove and then rushes out into the fan, so that the suction force is larger and stronger.

In this embodiment, the guide vanes 3 are equidistantly distributed, and if the guide vanes 3 are unevenly distributed, the airflow is uneven, the suction force of the fan is uneven, unnecessary dangers may occur, and the guide vanes 3 are equidistantly distributed, so that the entering airflow is more stable.

In this embodiment, the horizontal contained angle alpha of stator is 60, and the experiment shows that, 60's gradient is the gradient of this utility model optimal stator, then is that the flow of other gradients is some more than, and suction is some stronger.

In this embodiment, the number of the guide vanes 3 is 13, and the 13 guide vanes are the optimum suction force of the fan using the 55-diameter air guide duct.

In this embodiment, fan air ducting includes circular leg 11 and connection platform 12, and stator 3 sets up between circular leg 11 and connection platform 12, is equipped with the mounting hole 13 that can make the motor installation on the connection platform 12, and the setting of circular leg 11, connection platform 12 and mounting hole 13 all is the setting of the motor installation of being convenient for.

In this embodiment, the circular surrounding wall 11 includes a first circular surrounding wall 111 and a second circular surrounding wall 112, the first circular surrounding wall 111 is disposed above the second circular surrounding wall 112, the diameter of the second circular surrounding wall 112 is greater than the diameter of the first circular surrounding wall 111, the second circular surrounding wall 112, the guide vane 3 and the connection platform 12 are integrally formed, the circular surrounding wall 11 is disposed according to the shape of most of fans, and the first circular surrounding wall 111 and the second circular surrounding wall 112 are disposed like this, so that the installation of the fan is more closely attached and fastened, and accidents are prevented when the fan operates.

In this embodiment, the connecting platform 12 is disposed in the first circular surrounding wall 111, the connecting platform 12 is disposed below the opening of the first circular surrounding wall 111, the guide vane 3 includes a first contact point 31 and a second contact point 32, the first contact point 31 is disposed below the upper edge of the first circular surrounding wall 111 and is higher than the connecting platform 12, and the second contact point 32 is disposed at the upper edge of the connecting platform 12. The connection platform 12 is provided with an opening lower than the first circular surrounding wall 111 for better air flow of the fan, and is provided for safety, and the first contact point 31 of the guide vane 3 is provided lower than the upper edge of the first circular surrounding wall 111, and the second contact point 32 of the guide vane 3 is provided flush with the upper edge of the connection platform 12, so that the air flow is smoother, and the air flow is not blocked, so that the suction force is larger.

In this embodiment, when fan air ducting installs on the fan, in order to guarantee that its installation is fixed, connect the platform and be equipped with connecting hole 5 and spacing post 6 that are used for being connected with the fan towards the fan direction, the connecting hole is used for fixing with the fan, spacing post is used for spacingly, prevent that fan air ducting is unstable, wherein connecting hole and spacing post set up along circumference interval, set up through adopting the interval for when installing the use, its structure is more stable, stability when guaranteeing the use.

In this embodiment, it is located mounting hole department and is equipped with spacing hole 7 at the connection platform, and spacing hole corresponds spacing post setting, is equipped with strengthening rib 8 between spacing hole and the spacing post, connects spacing hole and spacing post through the strengthening rib, and reinforcing strength guarantees stably, and different fans can install on spacing hole or spacing post simultaneously, carries on spacingly, can also all have with spacing post in spacing hole, increases fan air ducting's commonality. It should be noted that, the position of the connection hole may also be provided with a reinforcing rib, and the reinforcing rib is located at the position between the limiting holes to fix and reinforce the connection hole.

In the embodiment, the bearing mounting groove 9 is formed in the mounting hole on the connecting platform, so that the bearing can be conveniently mounted, and meanwhile, the universality of the fan air guide device is improved.

In this embodiment, the fan includes any one of the above fan wind guiding devices.

In this embodiment, when wind channel structure installs on the fan, be equipped with connecting hole and spacing post that is used for being connected with the fan towards the fan direction in order to guarantee its fixed position fixing plate of installation, the connecting hole is used for spacingly, and the connecting hole is used for fixing with the fan, prevents that wind channel structure is unstable, and connecting hole and spacing post set up along circumference interval, through adopting the interval setting for when installing the use, its structure is more stable, stability when guaranteeing the use.

In this embodiment, it is located mounting hole department at the position fixing plate and is equipped with spacing hole, spacing hole corresponds spacing post setting, be equipped with the strengthening rib between spacing hole and the spacing post, connect spacing hole and connecting hole through the strengthening rib, and reinforcing strength guarantees stably, and different fans can install on spacing hole or connecting hole simultaneously, carry on spacingly, and it is equipped with the bearing mounting groove to be located mounting hole department on the position fixing plate, just carries out the installation of bearing, has also increased the commonality of wind channel structure simultaneously.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (9)

1. The utility model provides a fan air ducting, its characterized in that, fan air ducting includes air ducting main part (1), be equipped with stator (3) more than two on air ducting main part (1), stator (3) are the arc, form vent (4) between two liang of stator (3), stator (3) with be equipped with horizontal contained angle alpha between vent (4), alpha is 30-65.

2. The fan wind guide device according to claim 1, wherein the guide vane (3) is concave arc-shaped in cross section.

3. The wind deflector of a fan as claimed in claim 1, characterized in that the guide vanes (3) are distributed equidistantly.

4. The fan wind guide device according to claim 1, wherein α is 60 °.

5. Fan ducting as claimed in claim 1, characterized in that the number of guide vanes (3) is 13.

6. The fan wind guide device according to any one of claims 1 to 5, wherein the fan wind guide device comprises a circular surrounding wall (11) and a connecting platform (12), the guide vane (3) is arranged between the circular surrounding wall (11) and the connecting platform (12), and a mounting hole (13) for mounting a motor is arranged on the connecting platform (12).

7. The fan wind guide device according to claim 6, wherein the circular surrounding wall (11) comprises a first circular surrounding wall (111) and a second circular surrounding wall (112), the first circular surrounding wall (111) is disposed above the second circular surrounding wall (112), the diameter of the second circular surrounding wall (112) is larger than that of the first circular surrounding wall (111), and the first circular surrounding wall (111), the second circular surrounding wall (112), the guide vane (3) and the connecting platform (12) are integrally formed.

8. Wind deflector according to claim 7, characterised in that the connection station (12) is arranged in the first circular wall (111), the connection station (12) being arranged in the first circular wall (111) and the connection station (12) being arranged below the opening of the first circular wall (111), the guide vane (3) comprising a first contact point (31) and a second contact point (32), the first contact point (31) being arranged below the upper edge of the first circular wall (111) and above the connection station (12), the second contact point (32) being arranged at the upper edge of the connection station (12).

9. A fan, characterized in that the fan comprises the fan wind guide device as claimed in any one of claims 1 to 8.

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