Air outlet grille and air conditioner

Abstract

The utility model discloses an air outlet grille and an air conditioner, and relates to the technical field of air conditioners. The air outlet grid comprises a plurality of left-right air sweeping blades which are sequentially arranged at intervals in the preset direction. The left and right air sweeping blades are arranged in an arc shape, upstream ends and downstream ends are oppositely arranged on the left and right air sweeping blades in the air outlet direction, a first preset included angle is formed between the connecting line of the upstream ends and the downstream ends and the vertical line of the preset direction, and the range of the first preset included angle is 10-35 degrees. Compared with the prior art, due to the fact that the upstream end and the downstream end which form the first preset included angle between the connecting line and the vertical line of the preset direction are adopted in the air outlet grille, generated air resistance can be effectively reduced, the air outlet amount is increased, and user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to an air outlet grille and an air conditioner. Background Art

[0002] At present, with the improvement of living standards, people have higher and higher requirements for the functionality of air conditioners. Air conditioner cabinets are generally equipped with air outlet grilles, which are used to guide the air flow to achieve the function of adjusting the wind direction. However, the current air outlet grilles are limited by the structure and produce a large wind resistance to the air flow, which directly leads to a decrease in the air volume of the air conditioner cabinet and affects the user experience. Utility Model Content

[0003] The problem solved by the utility model is how to effectively reduce the generated wind resistance, increase the air volume, and improve the user experience.

[0004] To solve the above problems, the technical solution of the utility model is achieved as follows:

[0005] In the first aspect, the utility model provides an air outlet grille, comprising a plurality of left and right wind sweeping blades arranged in sequence and at intervals along a preset direction, the left and right wind sweeping blades are arranged in an arc shape, and the left and right wind sweeping blades are relatively arranged with upstream ends and downstream ends in the air outlet direction, and a first preset angle is formed between a line connecting the upstream end and the downstream end and a vertical line of the preset direction, and the range of the first preset angle is 10 degrees to 35 degrees. Compared with the prior art, the air outlet grille provided by the utility model can effectively reduce the wind resistance generated, increase the air volume, and improve the user experience because it uses the upstream end and the downstream end of the connecting line and the vertical line of the preset direction to form the first preset angle.

[0006] Furthermore, a second preset angle is formed between the tangent line of the upstream end and the vertical line of the preset direction, and the range of the second preset angle is 20 degrees to 45 degrees; a third preset angle is formed between the tangent line of the downstream end and the vertical line of the preset direction, and the range of the third preset angle is 5 degrees to 20 degrees. A reasonable second preset angle can make the windward angle of the left and right sweeping blades basically parallel to the outlet angle of the outlet airflow, thereby improving the smoothness of the outlet airflow; a reasonable third preset angle can make the outlet angle of the left and right sweeping blades meet the user's wind direction requirements without affecting the air volume, thereby improving the user experience.

[0007] Furthermore, the plurality of left and right sweeping blades include an edge sweeping blade and at least one middle sweeping blade, and the edge sweeping blade is arranged on one side of the at least one middle sweeping blade. The edge sweeping blade and the middle sweeping blade work together to guide the outgoing airflow, reduce wind resistance, and increase the outgoing air volume.

[0008] Furthermore, the first preset angle of the edge sweep blades is in the range of 30 to 35 degrees, and the first preset angle of the middle sweep blades is in the range of 10 to 20 degrees. A reasonable first preset angle of the edge sweep blades can improve the stability of the airflow blowing outward along the first side wall, prevent turbulence, minimize wind resistance, and increase air volume; a reasonable first preset angle of the middle sweep blades can improve the stability of the airflow blowing outward from the middle of the air outlet side and along the second side wall, prevent turbulence, minimize wind resistance, and increase air volume.

[0009] Furthermore, the second preset angle of the edge sweep blades is in the range of 40 to 45 degrees, and the second preset angle of the middle sweep blades is in the range of 20 to 30 degrees. A reasonable second preset angle of the edge sweep blades can make the windward angle of the edge sweep blades substantially parallel to the wind outlet angle of the airflow blowing outward along the first side wall, thereby improving the smoothness of the airflow; a reasonable second preset angle of the middle sweep blades can make the windward angle of the middle sweep blades substantially parallel to the wind outlet angle of the airflow blowing outward along the second side wall, thereby improving the smoothness of the airflow.

[0010] Furthermore, the third preset angle of the edge sweep blades is in the range of 15 to 20 degrees, and the third preset angle of the middle sweep blades is in the range of 5 to 10 degrees. A reasonable third preset angle of the edge sweep blades can make the wind angle of the edge sweep blades meet the wind direction requirements of the user without affecting the wind output; a reasonable third preset angle of the middle sweep blades can make the wind angle of the middle sweep blades meet the wind direction requirements of the user without affecting the wind output.

[0011] Furthermore, there are multiple middle air sweeping blades, the length of the connection line between the upstream end and the downstream end is a preset length, and the preset lengths of the multiple middle air sweeping blades are different. The multiple middle air sweeping blades work together to ensure the stability of the air flow blowing out from the middle of the air outlet side and along the second side wall.

[0012] Furthermore, the plurality of middle sweeping blades include a first sweeping blade, a second sweeping blade and a third sweeping blade, and the edge sweeping blade, the first sweeping blade, the second sweeping blade and the third sweeping blade are arranged in sequence, the preset length of the second sweeping blade is greater than the preset length of the third sweeping blade, and the preset length of the third sweeping blade is greater than the preset length of the first sweeping blade, so as to further avoid sudden changes in air pressure and ensure the stability of the outlet airflow.

[0013] In the second aspect, the utility model provides an air conditioner, including a crossflow fan, an air duct and the above-mentioned air outlet grille, the crossflow fan is installed in the air duct, the air outlet grille is installed on the air outlet side of the air duct, the air outlet grille includes a plurality of left and right sweeping blades arranged in sequence along a preset direction, the left and right sweeping blades are arranged in an arc shape, the left and right sweeping blades are relatively arranged with upstream ends and downstream ends in the air outlet direction, the connection line between the upstream end and the downstream end and the vertical line of the preset direction form a first preset angle, and the range of the first preset angle is 10 degrees to 35 degrees. The air conditioner can effectively reduce the wind resistance generated, increase the air volume, and improve the user experience.

[0014] Furthermore, the distance between the crossflow fan and the air outlet grille ranges from 80 mm to 90 mm. A reasonable distance between the crossflow fan and the air outlet grille can ensure the air outlet effect and prevent the air outlet grille from extending into the air duct and touching the crossflow fan under the influence of accidental external impact, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the air outlet grille described in the first embodiment of the utility model applied to an air conditioning cabinet;

[0016] Figure 2 yes Figure 1 A partial enlarged view of middle II;

[0017] Figure 3 It is a first mathematical model diagram of the air outlet grille described in the first embodiment of the utility model;

[0018] Figure 4 It is a second mathematical model diagram of the air outlet grille described in the first embodiment of the utility model;

[0019] Figure 5 This is a rendering of the air outlet grille described in the first embodiment of the utility model applied to an air conditioning cabinet;

[0020] Figure 6 It is a structural schematic diagram of an air conditioner described in the second embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 10-air conditioner; 100-air outlet grille; 110-left and right sweeping blades; 111-side sweeping blades; 112-middle sweeping blades; 113-first sweeping blades; 114-second sweeping blades; 115-third sweeping blades; 116-upstream end; 117-downstream end; 200-air duct; 210-first side wall; 220-second side wall; 300-crossflow fan. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0024] First embodiment

[0025] Please refer to Figures 1 to 5 ( Figure 1 The hollow arrow in the figure indicates the air outlet direction), the embodiment of the utility model provides an air outlet grille 100 for adjusting the air outlet direction. It can effectively reduce the wind resistance, increase the air outlet volume, and improve the user experience.

[0026] It should be noted that the air outlet grille 100 is applied to an air conditioning cabinet, which is placed on the indoor floor. The air conditioning cabinet can blow hot air or cold air into the room to achieve heating or cooling functions. Specifically, the air conditioning cabinet includes a driving mechanism (not shown), an air duct 200 and an air outlet grille 100. The air outlet grille 100 is installed on the air outlet side of the air duct 200. The air duct 200 is used to guide the air flow from the air outlet side to the outside. The driving mechanism is connected to the air outlet grille 100. The driving mechanism is used to drive the air outlet grille 100 to rotate to adjust the air outlet angle of the air outlet grille 100. The air outlet grille 100 is used to guide the air flow blown from the air outlet side to achieve the wind direction adjustment function and improve the user experience.

[0027] The air outlet grille 100 includes a connecting shaft (not shown) and a plurality of left and right air sweeping blades 110. The plurality of left and right air sweeping blades 110 are arranged in sequence along a preset direction and are all connected to the connecting shaft. The extending direction of the connecting shaft is the preset direction. The driving mechanism is connected to the connecting shaft. The driving mechanism can synchronously drive the plurality of left and right air sweeping blades 110 to rotate through the connecting shaft to adjust the air outlet direction of the air conditioner cabinet. Specifically, the air conditioner cabinet is placed in a vertical direction, and the rotation axis of the left and right air sweeping blades 110 is a vertical line. The left and right air sweeping blades 110 can rotate around the vertical line driven by the driving mechanism to realize the left and right air sweeping function.

[0028] It is worth noting that the left and right wind sweeping blades 110 are arranged in an arc shape. The left and right wind sweeping blades 110 arranged in an arc shape can use the principle of fluid viscosity to adsorb and guide the outlet airflow, so as to guide the outlet airflow out of the air conditioner cabinet more smoothly, thereby reducing wind resistance and increasing the air output. Furthermore, the left and right wind sweeping blades 110 are relatively arranged with an upstream end 116 and a downstream end 117 in the air output direction. The outlet airflow will first reach the upstream end 116 and finally reach the downstream end 117 in the process of passing over the left and right wind sweeping blades 110. A first preset angle is formed between the connecting line of the upstream end 116 and the downstream end 117 and the vertical line of the preset direction. The range of the first preset angle is 10 degrees to 35 degrees. A reasonable first preset angle can enable the left and right wind sweeping blades 110 to stably guide the outlet airflow, further reduce wind resistance, increase air output, and improve user experience.

[0029] It should be noted that, since the left and right sweeping blades 110 are arranged in an arc shape, a tangent can be made through the two ends of the left and right sweeping blades 110, that is, the upstream end 116 and the downstream end 117 each have a tangent. Among them, a second preset angle is formed between the tangent of the upstream end 116 and the vertical line of the preset direction, and the range of the second preset angle is 20 degrees to 45 degrees. A reasonable second preset angle can make the windward angle of the left and right sweeping blades 110 basically parallel to the outlet angle of the outlet airflow, thereby improving the smoothness of the outlet airflow; a third preset angle is formed between the tangent of the downstream end 117 and the vertical line of the preset direction, and the range of the third preset angle is 5 degrees to 20 degrees. A reasonable third preset angle can make the outlet angle of the left and right sweeping blades 110 meet the user's wind direction requirements without affecting the air volume, thereby improving the user experience.

[0030] For ease of understanding, the first preset angle is represented as a, the second preset angle is represented as b, and the third preset angle is represented as c.

[0031] The air duct 200 is relatively provided with a first side wall 210 and a second side wall 220, and the air outlet side is located between the end of the first side wall 210 and the end of the second side wall 220, that is, the plurality of left and right wind sweeping blades 110 are both arranged between the end of the first side wall 210 and the end of the second side wall 220. In this embodiment, the first side wall 210 and the second side wall 220 have different inclination angles to increase the air outlet area, wherein the angle between the first side wall 210 and the preset direction is 43 degrees, and the angle between the second side wall 220 and the preset direction is 63 degrees.

[0032] The plurality of left and right wind sweeping blades 110 include an edge wind sweeping blade 111 and at least one middle wind sweeping blade 112. The edge wind sweeping blade 111 and at least one middle wind sweeping blade 112 are both connected to the connecting shaft, and the edge wind sweeping blade 111 is arranged on one side of at least one middle wind sweeping blade 112. The edge wind sweeping blade 111 and the middle wind sweeping blade 112 work together to guide the outlet airflow, reduce wind resistance, and increase the air volume. In this embodiment, the edge sweeping blades 111 are arranged close to the first side wall 210, and the middle sweeping blades 112 are arranged close to the second side wall 220. Therefore, the extension direction of the edge sweeping blades 111 is close to the extension direction of the first side wall 210 to ensure that the air flow flowing along the first side wall 210 can be smoothly blown out from the air outlet side, and the extension direction of the middle sweeping blades 112 is close to the extension direction of the second side wall 220 to ensure that the air flow flowing along the second side wall 220 can be smoothly blown out from the air outlet side.

[0033] Specifically, the first preset angle of the side wind sweeping blade 111 ranges from 30 degrees to 35 degrees. A reasonable first preset angle of the side wind sweeping blade 111 can improve the stability of the airflow blowing outward along the first side wall 210, prevent turbulence, minimize wind resistance, and increase air volume. In this embodiment, the first preset angle of the side wind sweeping blade 111 is 33 degrees, but it is not limited to this. In other embodiments, the first preset angle of the side wind sweeping blade 111 can be 30 degrees or 35 degrees, and the size of the first preset angle of the side wind sweeping blade 111 is not specifically limited.

[0034] The first preset angle of the middle sweeping blade 112 ranges from 10 degrees to 20 degrees. A reasonable first preset angle of the middle sweeping blade 112 can improve the stability of the airflow blowing outward from the middle of the air outlet side and along the second side wall 220, prevent turbulence, minimize wind resistance, and increase air volume. In this embodiment, the first preset angle of the middle sweeping blade 112 is 13 degrees, but it is not limited to this. In other embodiments, the first preset angle of the middle sweeping blade 112 can be 14 degrees, 15 degrees, or 19 degrees. The size of the first preset angle of the middle sweeping blade 112 is not specifically limited.

[0035] The second preset angle of the side wind sweeping blade 111 ranges from 40 degrees to 45 degrees. A reasonable second preset angle of the side wind sweeping blade 111 can make the windward angle of the side wind sweeping blade 111 substantially parallel to the wind outlet angle of the air flow blowing outward along the first side wall 210, thereby improving the smoothness of the air outlet. In this embodiment, the second preset angle of the side wind sweeping blade 111 is 42 degrees, but it is not limited thereto. In other embodiments, the second preset angle of the side wind sweeping blade 111 can be 40 degrees or 45 degrees, and the size of the second preset angle of the side wind sweeping blade 111 is not specifically limited.

[0036] The second preset angle of the middle sweeping blade 112 ranges from 20 degrees to 30 degrees. A reasonable second preset angle of the middle sweeping blade 112 can make the windward angle of the middle sweeping blade 112 substantially parallel to the outlet angle of the outlet airflow blown outward along the second side wall 220, thereby improving the smoothness of the airflow. In this embodiment, the second preset angle of the middle sweeping blade 112 is 24 degrees, but it is not limited thereto. In other embodiments, the second preset angle of the middle sweeping blade 112 can be 27 degrees or 30 degrees, and the size of the second preset angle of the middle sweeping blade 112 is not specifically limited.

[0037] The third preset angle of the side wind sweep blade 111 ranges from 15 degrees to 20 degrees. A reasonable third preset angle of the side wind sweep blade 111 can make the wind outlet angle of the side wind sweep blade 111 meet the user's wind direction requirements without affecting the air volume. In this embodiment, the third preset angle of the side wind sweep blade 111 is 19 degrees, but it is not limited to this. In other embodiments, the third preset angle of the side wind sweep blade 111 can be 15 degrees or 20 degrees, and the size of the third preset angle of the side wind sweep blade 111 is not specifically limited.

[0038] The third preset angle of the middle air sweep blade 112 ranges from 5 degrees to 10 degrees. A reasonable third preset angle of the middle air sweep blade 112 can make the outlet angle of the middle air sweep blade 112 meet the wind direction requirements of the user without affecting the air volume. In this embodiment, the third preset angle of the middle air sweep blade 112 is 6 degrees, but it is not limited thereto. In other embodiments, the third preset angle of the middle air sweep blade 112 can be 7 degrees, 8 degrees, or 9 degrees. The size of the third preset angle of the middle air sweep blade 112 is not specifically limited.

[0039] It is worth noting that there are multiple middle air sweeping blades 112, and the multiple middle air sweeping blades 112 work together to ensure the stability of the air flow blowing out from the middle of the air outlet side and along the second side wall 220. Specifically, the length of the line connecting the upstream end 116 and the downstream end 117 is a preset length, and the preset lengths of the multiple middle air sweeping blades 112 are different, so that the wind guide lengths of the multiple middle air sweeping blades 112 are uneven, so that each part of the air flow flowing along the multiple middle air sweeping blades 112 leaves the corresponding middle air sweeping blades 112 one after another, avoiding the sudden change of air pressure caused by multiple parts of the air flow leaving the corresponding middle air sweeping blades 112 at the same time, thereby effectively preventing the generation of turbulence. In addition, the middle air sweeping blades 112 with different preset lengths can also be matched one-to-one with the lengths of the multiple upper and lower air sweeping blades (not shown) to achieve shadow overlap and improve the aesthetics of the air conditioner cabinet.

[0040] The plurality of middle sweeping blades 112 include a first sweeping blade 113, a second sweeping blade 114, and a third sweeping blade 115. The edge sweeping blade 111, the first sweeping blade 113, the second sweeping blade 114, and the third sweeping blade 115 are arranged in sequence, and the third sweeping blade 115 is arranged close to the second side wall 220. Specifically, the preset length of the second sweeping blade 114 is greater than the preset length of the third sweeping blade 115, and the preset length of the third sweeping blade 115 is greater than the preset length of the first sweeping blade 113, so as to further avoid the occurrence of sudden changes in air pressure and ensure the stability of the outlet airflow.

[0041] In this embodiment, the number of the middle air sweeping blades 112 is five, wherein the number of the first air sweeping blades 113 is two, the number of the second air sweeping blades 114 is one, and the number of the third air sweeping blades 115 is two. However, this is not limited thereto, and in other embodiments, the number of the middle air sweeping blades 112 may be four or six, and the number of the middle air sweeping blades 112 is not specifically limited.

[0042] The air outlet grille 100 described in the embodiment of the utility model has left and right sweeping blades 110 arranged in an arc shape, and the left and right sweeping blades 110 are relatively arranged with upstream ends 116 and downstream ends 117 in the air outlet direction, and a first preset angle is formed between the connecting line of the upstream end 116 and the downstream end 117 and the vertical line of the preset direction, and the range of the first preset angle is 10 degrees to 35 degrees. Compared with the prior art, the air outlet grille 100 provided by the utility model can effectively reduce the generated wind resistance, increase the air outlet volume, and improve the user experience because it uses the upstream end 116 and the downstream end 117 that form the first preset angle between the connecting line and the vertical line of the preset direction.

[0043] Second embodiment

[0044] Please refer to Figure 6The utility model provides an air conditioner 10 for controlling indoor temperature. The air conditioner 10 includes a crossflow fan 300, an air duct 200 and an air outlet grille 100. The basic structure and principle of the air outlet grille 100 and the technical effect produced are the same as those of the first embodiment. For the sake of brief description, for the parts not mentioned in this embodiment, reference can be made to the corresponding contents in the first embodiment.

[0045] In this embodiment, the air conditioner 10 is an air conditioner cabinet, and the air conditioner 10 is placed vertically on the indoor floor to blow hot air or cold air into the room, thereby realizing the heating or cooling function. Specifically, the crossflow fan 300 is installed in the air duct 200, and the air outlet grille 100 is installed on the air outlet side of the air duct 200. The crossflow fan 300 is used to generate negative pressure to drive the air flow and form an outlet air flow in the air duct 200. The outlet air flow is blown outward along the air duct 200 and passes through the outlet grille 100. In this process, the outlet grille 100 can guide the outlet air flow to realize the wind direction adjustment function.

[0046] Furthermore, the spacing between the crossflow fan 300 and the air outlet grille 100 ranges from 80 mm to 90 mm. A reasonable spacing between the crossflow fan 300 and the air outlet grille 100 can ensure the air outlet effect and prevent the air outlet grille 100 from extending into the air duct 200 and touching the crossflow fan 300 under the effect of an accidental impact from the outside, thereby improving safety. In this embodiment, the spacing between the crossflow fan 300 and the air outlet grille 100 is 85 mm, but it is not limited thereto. In other embodiments, the spacing between the crossflow fan 300 and the air outlet grille 100 can be 80 mm or 90 mm, and the spacing between the crossflow fan 300 and the air outlet grille 100 is not specifically limited.

[0047] For ease of understanding, the distance between the cross flow fan 300 and the air outlet grille 100 is represented as L.

[0048] The beneficial effects of the air conditioner 10 described in the embodiment of the utility model are the same as those of the first embodiment, and will not be described in detail here.

[0049] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.

Claims

1. An air outlet grille, characterized in that: The invention comprises a plurality of left and right wind sweeping blades (110) arranged in sequence and spaced apart along a preset direction, wherein the left and right wind sweeping blades (110) are arranged in an arc shape, and the left and right wind sweeping blades (110) are relatively arranged with an upstream end (116) and a downstream end (117) in the air outlet direction, and a first preset angle is formed between a line connecting the upstream end (116) and the downstream end (117) and a vertical line of the preset direction, and the range of the first preset angle is 10 degrees to 35 degrees.

2. The air outlet grille according to claim 1, characterized in that: A second preset angle is formed between the tangent line of the upstream end (116) and the perpendicular line of the preset direction, and the range of the second preset angle is 20 degrees to 45 degrees; a third preset angle is formed between the tangent line of the downstream end (117) and the perpendicular line of the preset direction, and the range of the third preset angle is 5 degrees to 20 degrees.

3. The air outlet grille according to claim 2, characterized in that: The plurality of left and right wind sweeping blades (110) include an edge wind sweeping blade (111) and at least one middle wind sweeping blade (112), wherein the edge wind sweeping blade (111) is arranged on one side of at least one middle wind sweeping blade (112).

4. The air outlet grille according to claim 3, characterized in that: The first preset angle of the edge sweeping blade (111) ranges from 30 degrees to 35 degrees, and the first preset angle of the middle sweeping blade (112) ranges from 10 degrees to 20 degrees.

5. The air outlet grille according to claim 3, characterized in that: The second preset angle of the edge sweeping blade (111) is in the range of 40 to 45 degrees, and the second preset angle of the middle sweeping blade (112) is in the range of 20 to 30 degrees.

6. The air outlet grille according to claim 3, characterized in that: The third preset angle of the edge sweeping blade (111) is in the range of 15 to 20 degrees, and the third preset angle of the middle sweeping blade (112) is in the range of 5 to 10 degrees.

7. The air outlet grille according to claim 3, characterized in that: The number of the middle air sweeping blades (112) is multiple, the length of the connection line between the upstream end (116) and the downstream end (117) is a preset length, and the preset lengths of the multiple middle air sweeping blades (112) are different.

8. The air outlet grille according to claim 7, characterized in that: The plurality of middle air sweeping blades (112) include a first air sweeping blade (113), a second air sweeping blade (114) and a third air sweeping blade (115); the edge air sweeping blade (111), the first air sweeping blade (113), the second air sweeping blade (114) and the third air sweeping blade (115) are arranged in sequence; the preset length of the second air sweeping blade (114) is greater than the preset length of the third air sweeping blade (115); and the preset length of the third air sweeping blade (115) is greater than the preset length of the first air sweeping blade (113).

9. An air conditioner (10), characterized in that: It comprises a cross-flow fan (300), an air duct (200), and an air outlet grille according to any one of claims 1 to 8, wherein the cross-flow fan (300) is installed in the air duct (200), and the air outlet grille is installed on the air outlet side of the air duct (200).

10. The air conditioner (10) according to claim 9, characterized in that: The distance between the cross-flow fan (300) and the air outlet grille ranges from 80 mm to 90 mm.

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