阅读说明：本技术 出风格栅及出风装置 (Air outlet grille and air outlet device ) 是由 肖彪 李彬 李小辉 张岩 付山 于 2020-06-17 设计创作，主要内容包括：本申请总体来说涉及送风设备领域,具体而言,涉及一种出风格栅及出风装置,其中所述出风格栅轴向设置有进风口,所述出风格栅的周向具有出风口,所述出风口设置有格栅筋及导流筋,所述导流筋倾斜设置,且所述导流筋与所述格栅筋交叉连接,所述导流筋朝向所述进风口的一侧逆时针倾斜,所述格栅筋与所述导流筋形成的锐角夹角为θ,30°≤θ≤60°,当有离心风从出风口吹出时,倾斜设置的导流筋将经过出风口的气流倾斜分割,导流筋导流筋与格栅筋共同引导气体流出,减小离心风出风呼啸声,改善出风噪声。(This application relates to the air supply equipment field on the whole, particularly, relates to an air-out grid and air-out device, wherein air-out grid axial is provided with the air intake, the circumference of air-out grid has the air outlet, the air outlet is provided with grid muscle and water conservancy diversion muscle, water conservancy diversion muscle slope sets up, just the water conservancy diversion muscle with grid muscle cross connection, water conservancy diversion muscle orientation the anticlockwise slope of one side of air intake, the grid muscle with the acute angle contained angle that the water conservancy diversion muscle formed is theta, and theta is not less than 30 is less than 60, when centrifugal wind blows out from the air outlet, the water conservancy diversion muscle that the slope set up will cut apart through the air current slope of air outlet, and water conservancy diversion muscle leads gaseous outflow with the grid muscle jointly, reduces centrifugal wind air-out and exhales the sound of whistling.)

1. An air outlet grille is arranged on a centrifugal fan (200), and is characterized in that an air inlet (160) is axially arranged on the air outlet grille (100), and an air outlet (110) is arranged on the circumference of the air outlet grille (100);

air outlet (110) are provided with grid muscle (120) and water conservancy diversion muscle (130), water conservancy diversion muscle (130) are followed the axial slope of air-out grid (100) extends the setting, just water conservancy diversion muscle (130) with grid muscle (120) cross connection.

2. An air outlet grille according to claim 1, characterized in that the grille ribs (120) are transversely extended, and an acute included angle formed by the grille ribs (120) and the flow guide ribs (130) is theta, and theta is greater than or equal to 30 degrees and less than or equal to 60 degrees.

3. The air outlet grille according to claim 1, characterized in that the air outlet (110) is provided with a plurality of grille ribs (120) in an axial arrangement.

4. An air outlet grille according to claim 3, characterized in that the air guide ribs (130) have the same acute included angle with each grille rib (120).

5. The air outlet grille according to claim 1, characterized in that the air outlet grille (100) comprises a first ring frame (140) and a second ring frame (150), and two ends of the flow guiding rib (130) are respectively connected with the first ring frame (140) and the second ring frame (150).

6. The air outlet grille of claim 1, wherein the air outlet (110) extends in a circumferential manner, and the grille rib (120) has an annular structure.

7. The air outlet grille according to claim 1, characterized in that the air outlet (110) is provided with a plurality of the flow guiding ribs (130), and the plurality of the flow guiding ribs (130) are arranged at intervals along the circumferential direction of the air outlet grille (100).

8. The air outlet grille of claim 1, characterized in that the air guiding rib (130) is inclined counterclockwise toward one side of the air inlet (160).

9. The air outlet grille according to claim 1, wherein the air outlet grille (100) is a cylindrical structure, and the air guiding ribs (130) and the grille ribs (120) form an arc-shaped air outlet surface at the air outlet (110).

10. An air outlet device, characterized by comprising the air outlet grille (100) of any one of claims 1 to 9 and a centrifugal fan (200) disposed inside the air outlet grille (100).

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.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. 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 outlet noise, the main objective of the present application is to provide an air outlet grille and an air outlet device.

In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:

an air outlet grid is axially provided with an air inlet, and the air outlet grid is circumferentially provided with an air outlet;

the air outlet is provided with grid muscle and water conservancy diversion muscle, the water conservancy diversion muscle is followed the axial slope of air-out grid extends the setting, just the water conservancy diversion muscle with grid muscle cross connection.

Further, in an embodiment of the present invention, the grid ribs extend transversely, and an acute angle between the grid ribs and the flow guide ribs is θ, and θ is greater than or equal to 30 ° and less than or equal to 60 °.

Further, in an embodiment of the present invention, the air outlet is axially arranged with a plurality of the grid ribs.

Further, in an embodiment of the present invention, the acute included angle between the flow guiding rib and each of the grid ribs is the same.

Further, in an embodiment of the present invention, the air outlet grille includes a first ring frame and a second ring frame, and two ends of the flow guiding rib are respectively connected to the first ring frame and the second ring frame.

Further, in an embodiment of the present invention, the air outlet extends circumferentially, and the grid rib is of an annular structure.

Further, in an embodiment of the present invention, the air outlet is provided with a plurality of the flow guiding ribs, and the plurality of flow guiding ribs are circumferentially arranged at intervals.

Further, in an embodiment of the present invention, the flow guiding rib is inclined counterclockwise toward a side of the air inlet.

Further, in an embodiment of the present invention, the air outlet grille is a cylindrical structure, and the diversion rib and the grille rib form an arc-shaped air outlet surface at the air outlet.

An air outlet device comprises the air outlet grating and a centrifugal fan arranged inside the air outlet grating.

Further, in an embodiment of the present invention, the air outlet device further includes a centrifugal fan, and the centrifugal fan is disposed inside the air outlet grille.

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 noise of the centrifugal wind is reduced.

The air outlet of air-out grid sets up grid muscle and water conservancy diversion muscle, and the water conservancy diversion muscle sets up for the slope of grid muscle, and water conservancy diversion muscle and grid muscle cross connection, when the air current blows off from the air outlet, the water conservancy diversion muscle that the slope set up will cut apart through the air current slope of air outlet, and water conservancy diversion muscle and grid muscle guide gas outflow jointly, reduce the centrifugal wind air-out and exhale the sound of whistling, improve the air-out noise.

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 exercise.

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

FIG. 2 is a schematic diagram illustrating the expanded configuration of FIG. 1, according to an exemplary embodiment.

Fig. 3 is another schematic structural diagram of an air outlet grille according to an exemplary embodiment.

Fig. 4 is a schematic top view of an outlet grille according to an exemplary embodiment.

Fig. 5 is a schematic cross-sectional structure view of an air outlet device according to an exemplary embodiment.

Fig. 6 is a schematic gas flow diagram of an air outlet device according to an exemplary embodiment.

Wherein the reference numerals are as follows:

100-an air outlet grid; 200-centrifugal fan;

110-an air outlet; 120-grid ribs; 130-flow guiding ribs; 140-a first ring frame; 150-a second ring frame; 160-air inlet;

210-a motor; 220-centrifugal impeller.

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.

This scheme provides an air-out grid and has air-out device of this air-out grid, and air-out grid 100 is used for solving the problem of air-out noise. Air outlet 110 of air-out grid 100 sets up grid muscle 120 and water conservancy diversion muscle 130, and water conservancy diversion muscle 130 extends the setting along the slope of air-out grid axial direction, and water conservancy diversion muscle 130 and grid muscle 120 cross connection, when centrifugal wind blew out from air outlet 110, the water conservancy diversion muscle 130 that the slope set up will cut apart along the route of slope through the air current of air outlet 110, and water conservancy diversion muscle 130 guides gaseous outflow with grid muscle 120 jointly, breathes out the sound after reducing the wind-out time.

In this scheme, the circumference of air-out grid 100 can set up a plurality of air outlets 110, realizes that air-out grid 100 circumference large tracts of land air-out, and every air outlet 110 sets up grid muscle 120 and water conservancy diversion muscle 130 respectively, perhaps is the circumference form with air outlet 110 and extends the setting, realizes 360 circumference air-outs of air-out grid 100.

The air outlet device includes an air outlet grille 100 and a centrifugal fan 200, the centrifugal fan 200 is disposed inside the air outlet grille 100, as shown in fig. 1-2, in this embodiment, the air outlet grille 100 is a columnar structure, an air inlet is disposed at one end of the air outlet grille 100 in the axial direction, the air outlet 110 extends in a circumferential path around the air outlet grille 100, an axis of the centrifugal fan 200 coincides with an axis of the air outlet grille 100, when the centrifugal fan 200 works, an air flow enters from the air inlet of the air outlet grille 100 in the axial direction, and then is blown out from the air outlet 110 in the circumferential direction of the air outlet grille 100 through a centrifugal impeller 220.

In fig. 1, the air outlet 110 is provided with a plurality of grid ribs 120 of an annular structure, the axis of the grid rib 120 coincides with the axis of the air outlet grid 100, the plurality of guide ribs 130 are arranged along the circumferential direction of the air outlet grid 100 at intervals, the guide ribs 130 are arranged obliquely, each guide rib 130 is respectively connected with all grid ribs 120 in a cross manner, and the guide ribs 130 and the grid ribs 120 form an arc-shaped air outlet surface at the air outlet 110. In the scheme, the acute angle included angle formed by the grid ribs 120 and the flow guide ribs 130 is theta, theta is set to be more than or equal to 30 degrees and less than or equal to 60 degrees, the acute angle included angle formed by each grid rib 120 and the flow guide ribs 130 is the same, and in the design and processing process, the number of the grid ribs 120 and the number of the flow guide ribs 130 can be determined according to the diameter of the air outlet grid 100 and the size of the air outlet 110. As shown in fig. 2, fig. 2 is a schematic view illustrating that the air outlet grille 100 is vertically cut short and then unfolded, a plurality of grille ribs 120 are axially arranged at intervals, and one end of the air guide rib 130 connected with the air inlet is inclined counterclockwise. On the basis of the scheme, when the air outlet grille 100 is used, the direction in which the flow guide rib 130 extends downwards is the same as the rotation direction of the centrifugal impeller 220 when viewed from top to bottom.

It should be noted that, when water conservancy diversion muscle 130 inclination is less than 30 °, acute angle contained angle between water conservancy diversion muscle 130 and grid muscle 120 is less than 30 ° or is greater than 60 °, the air-out direction is less with the extending direction contained angle of water conservancy diversion muscle 130, water conservancy diversion muscle 130 becomes long, and water conservancy diversion muscle 130 occupies air outlet 110 space grow, lead to air outlet 110 windage grow, when water conservancy diversion muscle 130 inclination is greater than 60 °, water conservancy diversion muscle 130 is close vertical, the contained angle grow that water conservancy diversion muscle 130 extending direction and air-out direction formed, the water conservancy diversion effect of water conservancy diversion muscle 130 is less, the windage grow of air current, can not effectively reduce the air-out noise.

In fig. 6, the angle θ is a tangent included angle of the air guide rib 130 and the grille rib 120 at the intersection, and after the air outlet grille 100 is unfolded, as shown in fig. 2, the angle θ is an acute included angle between the air guide rib 130 and the grille rib 120.

Referring to fig. 4 and 6, when the air outlet device is in use, an air flow enters from the top of the air outlet grille 100, the air flow is converted into a centrifugal air flow under the centrifugal impeller 220, and the centrifugal air is blown out from the air outlet 110 in a horizontal manner under the condition that no grille rib 120 and no guide rib 130 block the air outlet, in the present scheme, the grille rib 120 and the guide rib 130 are arranged at the air outlet 110, and one end of the guide rib 130, which is connected with the air inlet, is inclined counterclockwise, when the air flow passes through the grille rib 120 and the guide rib 130, the grille rib 120 transversely separates the air flow, the guide rib 130 separates the air flow in an inclined manner, the combined action of the grille rib 120 and the guide rib 130 guides the air flow to flow out. The diversion ribs 130 set to theta between 30 degrees and 60 degrees change the air outlet direction of the air flow relative to the existing vertical grid ribs, and reduce the noise of the air outlet grid 100. In this scheme, one side that water conservancy diversion muscle 130 is connected the air intake also can clockwise slope, and the air current is then the tilt up and blows off behind air outlet 110.

Referring to fig. 5, the air outlet grille 100 includes a first ring frame 140 and a second ring frame 150, an annular hole of the first ring frame 140 is an air inlet, and an air outlet 110 is disposed between the first ring frame 140 and the second ring frame 150, in this embodiment, one end of the flow guiding rib 130 is connected to the first ring frame 140, the other end of the flow guiding rib 130 is connected to the second ring frame 150, and the grille rib 120 is connected to the flow guiding rib 130 for installation and fixation. Centrifugal fan 200 includes motor 210 and centrifugal impeller 220, and centrifugal impeller 220 sets up inside air-out grille 100, and the axis of centrifugal impeller 220 and the axis coincidence of air-out grille 100, second ring frame 150 fixed connection motor cabinet, and motor 210 installs in the motor cabinet, and centrifugal impeller 220 is connected in the pivot of motor 210, and under the drive of motor 210, centrifugal impeller 220 rotates for air-out grille 100. In the scheme, the motor 210 adopts the brushless direct current motor 210, the back side of the centrifugal impeller 220 is provided with a groove, and the motor 210 is positioned in the groove. As will be understood by those skilled in the art, some auxiliary members for connecting with the centrifugal impeller 220 may be installed on the rotating shaft of the motor 210, such as an axis insert disposed between the rotating shaft of the motor 210 and the centrifugal impeller 220, to ensure the stability of the rotation of the centrifugal impeller 220.

In this scheme, air-out grid 100 is not limited to the columnar structure, also can be other structures that technical staff in this field designed, such as round platform column structure, pyramid column structure etc., divide air-out grid 100 into two directions of axial and circumference, the air intake sets up in the axial direction of air-out grid 100, air outlet 110 sets up in the circumference direction of air-out grid 100, air outlet 110 sets up along the circumference route, after placing centrifugal fan 200 in air-out grid 100, can realize 360 circumference air-outs, grid muscle 120 makes up with water conservancy diversion muscle 130, reduce the whistling sound that the air current produced when passing through the grid, optimize the air-out noise problem, the structural strength of air-out grid 100 has been improved simultaneously. In this embodiment, the cross sections of the grid ribs 120 and the flow guiding ribs 130 are both circular, which is beneficial to reducing the resistance to the airflow.

Under the understanding of those skilled in the art, the air outlet device in the present embodiment may be a fan, an electric heater or an air filtering device, and when the air outlet device is an electric heater, a heating resistance wire may be disposed between the centrifugal impeller 220 and the air outlet grille 100, and the heating resistance wire is powered on to generate heat. When the air outlet device is an air filtering device, a filter element is arranged between the air outlet grille 100 and the centrifugal impeller 220, and the filter element filters the centrifugal airflow blown out from the centrifugal impeller 220.

It should be noted herein that the flow ribs 130 shown in the drawings and described in the present specification are but one example of the wide variety of well systems that the principles of the present application can be employed in. It should be clearly understood that the principles of the present application are in no way limited to any of the details or any of the structures of the air guide ribs 130 shown in the drawings or described in the present specification.

For example, in the present embodiment, the flow guiding ribs 130 may be a spiral structure, the spiral angle is between 30 ° and 60 °, and the structures of the flow guiding columns and the grid ribs 120 may also solve the problem of air-out and whistling sound, and conform to the principle of the present application.

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.

Fig. 3 is another schematic structural diagram of the air outlet grille of this scheme, in fig. 3, the air guide ribs 130 and the grille ribs 120 are arranged in a cross manner, the grille ribs 120 and the air guide ribs 130 are respectively arranged along the axial direction of the air outlet grille 100 in an inclined and extended manner, the inclination directions of the grille ribs 120 and the air guide ribs 130 are different, or the inclination directions of the grille ribs 120 and the air guide ribs 130 are the same, but the inclination angles are different. The inclination angle of the diversion rib 130 can be set to be more than or equal to 30 degrees and less than or equal to 60 degrees, namely, the acute angle included angle between the tangent of a certain point of the diversion rib 130 towards the extension direction and the extension line of the radial direction of the air outlet grid 100 is more than or equal to 30 degrees and less than or equal to 60 degrees.

After the grid ribs 120 are axially obliquely extended, the grid ribs 120 also have the function of guiding air to flow, and the flow guide ribs 130 and the grid ribs 120 in fig. 3 guide air to flow out together, so that the centrifugal wind-out whistle sound is reduced, and the wind-out noise is improved. As understood by those skilled in the art, the first air guiding rib and the second air guiding rib can be described as being included in fig. 3 in a crossed manner, and the change of the structural name does not affect the beneficial effect brought by the main structural features of the present solution.

To sum up this scheme provides an air-out grid 100 and air-out device, the axial of air-out grid 100 is provided with the air intake, circumference sets up air outlet 110, air outlet 110 is provided with grid muscle 120 and water conservancy diversion muscle 130, water conservancy diversion muscle 130 sets up for grid muscle 120 slope, and water conservancy diversion muscle 130 and grid muscle 120 cross connection, water conservancy diversion muscle 130 is towards one side anticlockwise slope of air outlet 110, the acute angle contained angle between water conservancy diversion muscle 130 and the grid muscle 120 is between 30 to 60, the air current flow direction through air outlet 110 forms the acute angle contained angle with the tangent line of water conservancy diversion muscle 130 between 30 to 60 promptly, the air-out device adopts centrifugal fan 200, air outlet 110 sets up along the circumference route, realize 360 circumference air-out, air-out grid 100 reduces the air-out and exhales the 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 foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present 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.