CN212297031U - Air outlet grille and air outlet device - Google Patents

Abstract

This application relates to the air supply equipment field on the whole, particularly, relates to an air-out grid and air-out device, and wherein the air-out grid has the first air intake of axial setting and the air outlet and the second air intake of circumference setting, the air outlet is located first air intake with between the second air intake, the air outlet is provided with cross connection's first grid muscle and second grid muscle, first grid muscle is followed the axial direction of air-out grid is helical structure and extends the setting, and air-out grid intensity is good, and helical structure's first grid muscle has improved the air-out mode, has improved air supply efficiency, has reduced the air-out noise, and the two centrifugal impeller of air-out grid assembly, first air intake and second air intake are the air inlet simultaneously, and air-out grid week side, and the air output is big, and the air-out is effectual.

Description

Air outlet grille and air outlet device

Technical Field

This application relates to the air supply equipment field generally, particularly, relates to an air-out grid and air-out device.

Background

At present, people's quality of life constantly improves, and the requirement to the electric fan is not only limited to the big this kind of condition of amount of wind, more is partial to the travelling comfort of paying attention to the electric fan, and current air-out grid adopts horizontal grid muscle, vertical grid muscle or horizontal grid muscle and vertical grid muscle integrated configuration, and air-out grid windage is big, and the air-out is not smooth, and the air current can produce certain noise through the grid.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

In order to solve the technical problem of air-out noise, the main objective of this application provides an air-out grid and air-out device.

In order to realize the purpose of the utility model, the following technical scheme is adopted in the application:

an air outlet grid is arranged on a double centrifugal fan, and is provided with a first air inlet, an air outlet and a second air inlet, wherein the first air inlet is axially arranged, the air outlet is circumferentially arranged, and the air outlet is positioned between the first air inlet and the second air inlet;

the air outlet is provided with cross connection's first grid muscle and second grid muscle, first grid muscle is followed the axial direction of air-out grid is helical structure and extends the setting.

Further, in an embodiment of the present disclosure, the air outlet grille includes a first grille member for being connected to the dual centrifugal impeller and a second grille member for being connected to the driving motor;

the first air inlet is arranged in the axial direction of the first grating part, the air outlet is arranged in the circumferential direction of the first grating part, and the second air inlet is arranged in the circumferential direction of the second grating part.

Further, in an embodiment of the present disclosure, the first grid element and the second grid element are both of a cylindrical structure and are axially connected.

Further, in an embodiment of the present disclosure, a heat dissipation frame for mounting the motor is disposed inside the second grid member.

Further, in an embodiment of the present disclosure, the second air inlet is provided with a plurality of air inlets.

Further, in an embodiment of this scheme, above-mentioned air outlet is the circumference form and extends the setting, the second grid muscle is the ring structure of horizontal setting, just first grid muscle with the second grid muscle is in the air outlet forms arc air-out face.

Further, in an embodiment of the present disclosure, the first grid rib and the second grid rib are respectively provided in plurality;

the first grid ribs are arranged at intervals in the circumferential direction of the air outlet grid, and the second grid ribs are arranged at intervals in the axial direction of the air outlet grid.

Further, in an embodiment of the present disclosure, the air outlet grille is provided with an air collector at the first air inlet.

An air outlet device comprises the air outlet grid, a double centrifugal impeller and a driving piece, wherein the double centrifugal impeller and the driving piece are respectively arranged in the air outlet grid.

Further, in an embodiment of the present disclosure, the dual centrifugal impeller includes two impellers axially connected to each other, and an air treatment member is disposed inside each of the impellers.

According to the technical scheme, the air-out grid and the air-out device of this application have the advantages and positive effects that: the air outlet grille has good strength, improves the air outlet mode, improves the air supply efficiency and reduces the air outlet noise.

The air-out grid includes the first air intake of axial setting and air outlet and the second air intake that circumference set up, the air outlet is located first air intake with between the second air intake, the air outlet is provided with cross connection's first grid muscle and second grid muscle, first grid muscle is followed the axial direction of air-out grid is helical structure and extends the setting. The air outlet device is internally provided with the double centrifugal impellers, the first air inlet and the second air inlet simultaneously supply air, the air is discharged from the periphery of the air outlet grating, the air outlet amount is large, and the air outlet effect is good.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural view of a first grating element of an air outlet grating according to an exemplary embodiment.

Fig. 2 is a schematic structural view of a second grille member of an air outlet grille according to an exemplary embodiment.

Fig. 3 is a schematic structural view of an air outlet device according to an exemplary embodiment;

fig. 4 is a schematic cross-sectional structure view of an air outlet device according to an exemplary embodiment;

FIG. 5 is a schematic view of an air outlet device having an air treatment element according to an exemplary embodiment;

fig. 6 is another structural schematic diagram of an air outlet device structure with an air treatment member according to an exemplary embodiment.

Wherein the reference numerals are as follows:

100-an air outlet grid; 200-a driver; 300-double centrifugal impeller;

110-a first grid element; 120-a second grid member; 130-a heat dissipation frame; 140-a wind collector; 150-heating resistance wires; 160-an air filter element;

111-a first air inlet; 112-air outlet; 113-a first grid rib; 114-second grid ribs; 121-second air inlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention, and it should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The scheme provides an air outlet grille 100 and an air outlet device, the air outlet grille 100 is applied to a double centrifugal fan, a first air inlet 111 is arranged in the axial direction of the air outlet grille 100, an air outlet 112 and a second air inlet 121 are arranged in the circumferential direction of the air outlet grille 100, the second air inlet 121 is positioned at the circumferential side of one end, far away from the first air inlet 111, of the air outlet grille 100, the air outlet 112 is positioned between the first air inlet 111 and the second air inlet 121, after the centrifugal fan is installed in the air outlet grille 100, the first air inlet 111 and the second air inlet 121 simultaneously supply air, the air outlet 112 positioned at the circumferential side discharges air, the air outlet device in the scheme increases the air inlet and outlet quantity relative to a common fan, the air outlet 112 is provided with a first grid rib 113 and a second grid rib 114 which are in cross connection, the first grid rib 113 is arranged in a spiral structure along the axial direction of the air outlet grille 100, and the first grid rib, first grid muscle 113 and second grid muscle 114 fall into a plurality of air-out runners with air outlet 112, and there is certain angle in the extending direction of first grid muscle 113 and the air-out direction of centrifugal wind, and helical structure's first grid muscle 113 has changed the gas outflow direction, compares in vertical form grid muscle, and helical structure's first grid muscle 113 air-out is softer in this scheme, and the wind sense is better, has reduced air-out noise.

Referring to fig. 1-4, the present embodiment provides an air outlet grille 100 and an air outlet device, wherein the air outlet grille 100 includes a first grille member 110 and a second grille member 120, the first grille member 110 and the second grille member 120 are both of a cylindrical structure, the first grille member 110 is connected to a dual centrifugal impeller 300, and the second grille member 120 is connected to a driving member 200, in the present embodiment, the driving member 200 is a dc brushless motor. First grid element 110 is axially connected with second grid element 120, first air inlet 111 is arranged at one end of first grid element 110 axially far away from second grid element 120, air outlet 112 is arranged on the peripheral side of first grid element 110, and second air inlet 121 is arranged on the peripheral side of second grid element 120. As shown in fig. 4, when the centrifugal impeller works, the impeller facing the first air inlet 111 rotates, so that the airflow enters the air outlet grille 100 from the first air inlet 111, is blown out from the air outlet 112, and rotates towards the impeller of the second grille member 120, so that the airflow enters the air outlet grille 100 from the second air inlet 121, and is blown out from the air outlet 112 by the impeller. That is, the dual centrifugal impellers 300 divide the air outlet 112 of the first grille member 110 into two parts, wherein one part forms an airflow communication system with the first air inlet 111, and the other part forms an airflow communication system with the second air inlet 121.

As shown in fig. 1, the air outlet 112 is circumferentially disposed, so that the air outlet device can supply air at 360 ° circumference, thereby increasing the air outlet area and satisfying the requirement of blowing by multiple users, the air outlet 112 is provided with a first grid rib 113 and a second grid rib 114 which are connected in a cross manner, the first grid rib 113 is disposed along the axial direction of the air outlet grid 100 and is in a square spiral structure, the second grid rib 114 is in a circular structure which is transversely disposed, in this embodiment, a plurality of first grid ribs 113 and a plurality of second grid ribs 114 are disposed, the plurality of first grid ribs 113 are disposed at intervals in the circumferential direction of the first grid member 110, the plurality of second grid ribs 114 are disposed at intervals in the axial direction of the first grid member 110, each first grid rib 113 is respectively connected with the second grid rib 114 in a cross manner, the first grid member 110 and the second grid member 120 form an arc-shaped air outlet face at the air outlet 112, and divide the air outlet 112 into a plurality of air outlet channels. The first grid ribs 113 are guided by the spiral structure to guide airflow to flow, so that uniform air outlet of the air outlet device is realized, the air outlet is softer, and the air outlet whistle is optimized.

Under the understanding of those skilled in the art, in the present embodiment, the first grid rib 113 may be set to be an elliptic cylindrical structure, the cross section of the first grid rib 113 is elliptic, the major axis of the elliptic cross section faces the dual centrifugal impeller 300, and the cross section of the second grid rib 114 is circular, so that the first grid member 110 has high structural strength, the air outlet resistance is reduced, and the air outlet noise is optimized.

In the present embodiment, the helical angle of the first grid rib 113 is defined as θ, θ is set to be equal to or larger than 30 ° and equal to or smaller than 65 °, and the number of the first grid ribs 113 can be determined according to the diameter of the first grid element 110 and the size of the air outlet 112 during the design and processing process. The first grid rib 113 is positioned at the starting end of one end close to the air inlet, the other end is the tail end, clockwise spiral or counterclockwise spiral can be adopted from the starting end to the tail end of the first grid rib 113, and in the use process of the air outlet grid 100, if the spiral direction of the first grid rib 113 is the same as the rotation direction of the double centrifugal impeller 300, the air flow is blown out obliquely and upwards from the air outlet 112, and if the spiral direction of the first grid rib 113 is opposite to the rotation direction of the double centrifugal impeller 300, the air flow is blown out obliquely and downwards from the air outlet 112. In this embodiment, the first grid rib 113 having a clockwise spiral structure will be described.

It should be noted here that the first grid rib 113 shown in the drawings and described in this specification is only one example of a wide variety of well systems that can employ the principles of the present application. It should be clearly understood that the principles of this application are in no way limited to any of the details shown in the drawings or described in this specification.

For example, the first grid rib 113 is obliquely arranged along the axial direction of the first grid member 110, the inclination angle is set to be 30 ° to 65 °, the airflow is centrifugally blown out horizontally under the condition of no grid blockage, a certain included angle is formed between the first grid rib 113 and the airflow, the first grid rib 113 guides the airflow to flow, the blowing direction of the airflow is changed, the air outlet is softer, the air outlet whistle is optimized, and the principle of the present application is met.

It should therefore be clearly understood that this application describes how to make and use particular examples, but the principles of this application are not limited to any of the details of these examples. Rather, these principles can be applied to many other examples, using the knowledge gained from the present disclosure.

As shown in fig. 2-4, the second grid element 120 has the same diameter as the first grid element 110, the first grid element 110 is axially communicated with the second grid element 120, in this embodiment, the second air inlet 121 is a plurality of through holes uniformly distributed around the second grid element 120, the heat dissipation frame 130 includes a bottom plate and a frame body, in this embodiment, the bottom plate is integrally connected with the second grid element 120, the frame body is integrally connected with the bottom plate, the frame body protrudes into the second grid element 120 in a columnar shape, the frame body and the second grid element 120 are coaxially disposed, and the top of the frame body is provided with a shaft hole for being matched with the rotating shaft of the driving member 200.

Fig. 4 is a schematic sectional structure view of an air outlet device, the air outlet device is a fan, the first grid element 110 is axially connected to the second grid element 120, the first grid element 110 is communicated with the interior of the second grid element 120, an air inlet of the first grid element 110 is provided with an air collector 140, a dual centrifugal impeller 300 is arranged inside the first grid element 110, a driving member 200 is mounted on the heat dissipation frame 130, a rotating shaft of the driving member 200 is connected to the dual centrifugal impeller 300, under the drive of driving piece 200, two centrifugal impeller 300 rotate, and the air current gets into from first air intake 111 and second air intake 121, blows off from air outlet 112, and the air outlet 112 that the circumference form set up makes the air-out device can 360 circumference air supplies, and increase air-out area satisfies many people's demands of blowing, and the first grid muscle 113 of helical structure guides the air current to flow, realizes the even air-out of air-out device, makes the air-out softer, has optimized the air-out whistle.

On the basis of the above structure, those skilled in the art can install an air treatment member in the dual centrifugal impeller 300 according to the use requirement. As shown in fig. 5, the air processing element is a heating resistance wire 150, a circle of resistance wire is arranged in each impeller of the dual centrifugal impeller 300, the air outlet device can be used as an electric heater, and the heating resistance wire 150 is electrified to increase the temperature of the flowing gas, so that the air outlet 112 blows out warm air. As shown in fig. 6, the air treatment member is an air filter element 160, the air outlet device can be used as an air purifier, and the air filter element 160 filters passing air.

The air treating member is not limited to the heating resistor wire 150 and the air filter 160, but also a fragrance box for holding a fragrance as understood by those skilled in the art, and will not be exemplified herein.

To sum up, this scheme provides an air-out grid 100 and air-out device, air-out grid 100 has axial first air intake 111 and the air outlet 112 and the second air intake 121 that circumference set up, air outlet 112 is the circumference form setting, make the air-out device can 360 circumference air supplies, increase air-out area, satisfy many people's demand of blowing, helical structure's first grid muscle 113 guides the air current and flows, realize the even air-out of air-out device, make the air-out softer, optimized the air-out sound of whistling.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An air outlet grille (100) is installed on a double centrifugal fan, and is characterized in that the air outlet grille (100) is provided with a first air inlet (111) arranged axially, an air outlet (112) arranged circumferentially and a second air inlet (121), and the air outlet (112) is positioned between the first air inlet (111) and the second air inlet (121);

air outlet (112) are provided with cross connection's first grid muscle (113) and second grid muscle (114), first grid muscle (113) are followed the axial direction of air-out grid (100) is helical structure and extends the setting.

2. Air outlet grille (100) according to claim 1, characterized in that the air outlet grille (100) comprises a first grille part (110) for connection with a double centrifugal impeller (300) and a second grille part (120) for connection with a drive motor;

the first air inlet (111) is arranged in the axial direction of the first grid part (110), the air outlet (112) is arranged in the circumferential direction of the first grid part (110), and the second air inlet (121) is arranged in the circumferential direction of the second grid part (120).

3. Air outlet grille (100) according to claim 2, characterized in that the first grille part (110) and the second grille part (120) are both of a cylindrical structure, and the first grille part (110) and the second grille part (120) are axially connected.

4. Air outlet grille (100) according to claim 2, characterized in that the second grille part (120) is internally provided with a heat dissipating frame (130) for mounting a motor.

5. Air outlet grille (100) according to claim 1, characterized in that the second air inlet opening (121) is provided in plurality.

6. The air outlet grille (100) of claim 1, characterized in that the air outlet (112) extends circumferentially, the second grille rib (114) is a transversely arranged circular ring structure, and the first grille rib (113) and the second grille rib (114) form an arc-shaped air outlet surface at the air outlet (112).

7. The air outlet grille (100) of claim 1, characterized in that the first grille rib (113) and the second grille rib (114) are respectively provided in plurality;

the first grid ribs (113) are arranged at intervals in the circumferential direction of the air outlet grid (100), and the second grid ribs (114) are arranged at intervals in the axial direction of the air outlet grid (100).

8. Air outlet grille (100) according to claim 1, characterized in that the air outlet grille (100) is provided with a wind collector (140) at the first air inlet (111).

9. An air outlet device, characterized in that, it comprises the air outlet grille (100) of any one of claims 1 to 8, and a double centrifugal impeller (300) and a driving member (200) respectively disposed inside the air outlet grille (100).

10. The air outlet device of claim 9, wherein the double centrifugal impeller (300) comprises two axially connected impellers, and each impeller is internally provided with an air treatment member.

Images