Air deflector for air conditioner, and air conditioner indoor unit

Abstract

An air deflector for an air conditioner, the air deflector comprising an air deflector body (110) and a plurality of flow guide structures (120). The air deflector body (110) extends in a transverse direction, and the surface of one side of the air deflector body (110) is an air-deflecting face (129). The air conditioner is provided with an air duct and an air outlet (131). The air deflector body (110) is configured to be arranged at an air outlet (131) of the air conditioner to guide airflow to flow out between an air output face (140) and the air-deflecting face (129). The plurality of flow guide structures (120) are arranged on the air-deflecting face (129) of the air deflector body (110) and are sequentially arranged in the lengthwise direction of the air deflector body (110). During air deflection by the air deflector body (110), the distance between each flow guide structure (120) and an edge (130) or the air output face (140) is less than 1 / 2 of the distance between the air-deflecting face (129) and the edge (130) or the air output face (140).

Description

Air guide plate for air conditioner and indoor unit of air conditioner

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese invention patent application No. 202410257161.2 filed on March 6, 2024, entitled “Air guide plate for air conditioner and air conditioner indoor unit”, the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present application relates to the technical field of air conditioning, and in particular to an air guide plate for an air conditioner and an indoor unit of the air conditioner. Background Art

[0004] With the popularization of air conditioners and the promotion of health concepts, users have higher and higher requirements for the comfort of air conditioning air supply. Traditional air conditioners have strong air supply, and cold air blows directly on people, resulting in poor user experience and frequent air conditioning disease problems. For wall-mounted units, although the air outlet is at the top, users can still feel a strong sense of wind. At present, some air conditioners are equipped with guide ribs on the side of the air guide plate facing the air outlet to disperse the air flow passing through the surface of the air guide plate, thereby avoiding direct blowing of cold air. However, the guide structure ribs in the related technology are small in size, and most of the air flow of the air conditioner passes through the air guide plate. The air flow is not sent out through the guide ribs, so the diversion effect is not obvious. Summary of the Invention

[0005] In view of the above problems, the present application is proposed to provide an air guide plate and an air conditioner indoor unit for an air conditioner that overcome the above problems or at least partially solve the above problems, which can solve the problem that the air guide plate has an unclear air flow guiding effect and achieve the effect of avoiding direct blowing of cold air and rapid cooling.

[0006] Specifically, the present application provides an air guide plate for an air conditioner, comprising:

[0007] An air deflector body extends in a transverse direction, and one side surface of the air deflector body is an air guide surface; the air conditioner has an air duct and an air outlet, the air outlet has an edge extending along the length direction of the air deflector body, the air duct has an air outlet surface, and the air outlet surface is connected to the edge; the air deflector body is configured to be disposed at the air outlet of the air conditioner to guide airflow to flow out between the air outlet surface and the air guide surface;

[0008] A plurality of guide structures are provided on the wind guide surface of the wind guide plate body and are arranged in sequence along the length direction of the wind guide plate body; and

[0009] When the air guide plate body guides air, the distance between each of the air guide structures and the edge or the air outlet surface is less than 1 / 2 of the distance between the air guide surface and the edge or the air outlet surface; and

[0010] The multiple guide structures are configured to form a first guide area, a second guide area and a third guide area on the corresponding sides of the guide plate body. The first guide area is used to accelerate the corresponding airflow, the second guide area is used to make the corresponding airflow flow toward one lateral side of the guide plate body, and the third guide area is used to make the corresponding airflow flow toward the other lateral side of the guide plate body.

[0011] Optionally, the projection of each of the guide structures on a plane perpendicular to the length direction of the air guide plate body is the guide structure projection;

[0012] Along the airflow direction, the ratio of the width of the projection of each of the guide structures to the width of the air guide body is greater than 1 / 2 and less than 1;

[0013] The ratio of the height of the projection of each of the air guide structures to the width of the air guide plate body is greater than 1 / 2 and less than 1.

[0014] Optionally, the first air guiding area is between the second air guiding area and the third air guiding area;

[0015] The plurality of guide structures include at least one first guide structure for forming the first air guide area; at least one first guide structure forms one or more guide channels extending along the airflow direction;

[0016] The narrowest position of the guide channel is located on the downstream side of the inlet of the guide channel.

[0017] Optionally, each of the first guide structures includes a first guide plate and a second guide plate, and the guide channel is formed between the first guide plate and the second guide plate;

[0018] The first guide plate is arched toward the second guide plate, and the second guide plate is arched toward the first guide plate;

[0019] There are multiple first guide structures, and the multiple first guide blades and the multiple second guide blades are alternately arranged in sequence along the length direction of the air guide plate body;

[0020] In two adjacent first flow guide structures, two ends of the second flow guide plate of one first flow guide structure are connected to two ends of the first flow guide plate of the other first flow guide structure.

[0021] Optionally, the inlet of the guide channel is larger than the outlet of the guide channel, and the narrowest position of the guide channel is located between the inlet of the guide channel and the outlet of the guide channel.

[0022] Optionally, the plurality of flow guiding structures further include:

[0023] a plurality of second guide structures for forming the second air guide area, each of the second guide structures being in a sheet shape; each of the second guide structures extending along the air flow direction and deflecting toward one end in the longitudinal direction of the air guide plate body;

[0024] A plurality of third guide structures are used to form the third air guide area, each of the third guide structures is in a sheet shape; each of the third guide structures extends along the air flow direction and deflects toward the other end of the length direction of the air guide plate body.

[0025] Optionally, along the airflow direction, the angle between the tangent line of the end of the second air guide structure and the width direction of the air guide body is a first air guide angle, and the angle between the tangent line of the end of the third air guide structure and the width direction of the air guide body is a second air guide angle;

[0026] The further away from the longitudinal center of the air deflector body, the larger the first deflection angle of the second deflector structure is;

[0027] The further away from the center of the air guide plate body in the longitudinal direction, the larger the second air guide angle of the third air guide structure is.

[0028] Optionally, the air deflector body rotates around a rotation axis extending along the length direction of the air deflector body, and the air deflector body is used to open and close the air outlet. When the air deflector body closes the air outlet, the rotation axis is located at the rear side of the air deflector body.

[0029] The line on the air outlet surface closest to the rotation axis is a reference line, and the plane where the reference line and the rotation axis lie is a reference plane; the distance from the rotation axis to the reference line is a limiting distance;

[0030] When the air guide plate body closes the air outlet, the projection of each of the guide structures includes a first area located inside the reference plane and a second area located outside the reference plane; the distance between any point on the edge of the first area and the rotation axis is less than or equal to the limiting distance.

[0031] Optionally, the edge of the second area includes a first segment, a second segment and a third segment connected in sequence;

[0032] One end of the first section is a first point. When the air deflector body closes the air outlet, the first point is on the reference plane. The connection point between the other end of the first section and one end of the second section is a second point. The connection point between the other end of the second section and one end of the third section is a third point. The other end of the third section is connected to the air deflector body.

[0033] a ratio of a distance from the rotation axis to the second point to a distance from the rotation axis to the third point is 1.1 to 1.3; a ratio of a distance from the rotation axis to the second point to a distance from the rotation axis to the first point is 1 to 1.05;

[0034] a ratio of a distance between the first point and the second point to a distance between the second point and the third point is 0.6 to 0.65;

[0035] When the air deflector body is fully opened, the third point is located inside the reference plane, and a ratio of a distance between the third point and the reference plane to a distance between the second point and the third point is 1.2 to 1.25.

[0036] The present application also provides an air conditioner indoor unit, comprising an air guide plate, wherein the air guide plate is any one of the air guide plates described above.

[0037] In the air guide plate and air conditioner indoor unit of the present application, compared with the relatively small height of the guide ribs in the related art, because the distance between each guide structure and the air outlet surface is less than 1 / 2 of the distance between the guide surface and the air outlet surface, the height of the guide structure in this embodiment is relatively large, allowing most of the airflow to be discharged after passing through the guide structure, making the guide structure's air guidance effect more significant. The airflow blown out of the air duct of the air conditioner passes through multiple guide structures and is blown out from the first guide area, the second guide area, and the third guide area. The airflow passing through the first guide area is accelerated, increasing the amount of airflow entrainment. The airflow passing through the second guide area is diffused and blown out from one lateral side of the air guide plate body, increasing the diffusion angle of the air outlet on the corresponding side. The airflow passing through the third guide area is diffused and blown out from the other lateral side of the air guide plate body, increasing the diffusion angle of the air outlet on the corresponding side. The diffused airflow passing through the second and third guide areas increases the contact area between the airflow and the air, thereby increasing the amount of airflow entrainment. As the amount of airflow and indoor airflow is increased, the momentum and cooling capacity of the airflow are quickly transferred to the indoor airflow, so the temperature adjustment speed is faster and the blowing speed outside the air outlet is reduced faster, achieving the effect of not blowing cold air on people.

[0038] Based on the detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings below, those skilled in the art will become more aware of the above and other objects, advantages and features of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0040] FIG1 is a schematic structural diagram of an indoor unit of an air conditioner according to one embodiment of the present invention;

[0041] FIG2 is a schematic structural diagram of an indoor unit of an air conditioner according to an embodiment of the present invention;

[0042] FIG3 is a schematic structural diagram of an air deflector according to an embodiment of the present invention;

[0043] FIG4 is a schematic structural diagram of an air deflector according to an embodiment of the present invention;

[0044] FIG5 shows the main direction of airflow passing through an air guide plate according to one embodiment of the present invention;

[0045] FIG6 is a temperature field of an indoor unit of an air conditioner having a relatively small air guide structure;

[0046] FIG7 is a temperature field of an indoor unit of an air conditioner according to an embodiment of the present invention;

[0047] 8 is a comparison diagram of average room temperatures of air conditioner indoor units having different relatively small air guide structure heights and an air conditioner indoor unit according to an embodiment of the present invention;

[0048] FIG9 is a wind speed field of an indoor unit of an air conditioner with a relatively small guide structure height;

[0049] FIG10 is a wind speed field of an indoor unit of an air conditioner according to an embodiment of the present invention;

[0050] FIG11 is a comparison diagram of wind speeds of an air conditioner indoor unit having a relatively small air guide structure height and an air conditioner indoor unit according to an embodiment of the present invention. DETAILED DESCRIPTION

[0051] The following describes an air guide plate for an air conditioner and an indoor unit of an air conditioner according to an embodiment of the present invention with reference to Figures 1 to 11. In the description of this embodiment, it should be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature, that is, include one or more such features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. When a feature "includes or contains" one or some of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and may further include other features.

[0052] Unless otherwise expressly defined or limited, terms such as "disposed," "installed," "connected," "connected," "fixed," and "coupled" should be broadly interpreted. For example, they may refer to fixed or detachable connections, or integration; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two elements or interaction between two elements, unless otherwise expressly defined. A person of ordinary skill in the art should be able to understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0053] In addition, in the description of this embodiment, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact via another feature between them. That is, in the description of this embodiment, the first feature being "above," "above," and "above" the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below," "below," or "below" the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0054] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials can be obtained from commercial channels unless otherwise specified; in the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "horizontal", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0055] In the description of the present embodiment, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the exemplary expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples.

[0056] The reference to any prior art in the specification is not and should not be taken as an admission or any form of suggestion that the prior art forms part of the common general knowledge in the application area or any other jurisdiction, or that the prior art could reasonably be understood and regarded as relevant by a person skilled in the art.

[0057] FIG1 is a schematic structural diagram of an air conditioner indoor unit according to one embodiment of the present invention. As shown in FIG1 , and with reference to FIG2 through FIG11 , the present invention provides an air deflector for an air conditioner, comprising an air deflector body 110 and a plurality of air guide structures 120. The air deflector body 110 extends transversely, with one side surface of the air deflector body 110 serving as an air guide surface 129. The air deflector body 110 is configured to be positioned at an air outlet 131 of the air conditioner. The air outlet 131 has an edge 130 extending along the length of the air deflector body 110. The air conditioner comprises an air duct having an air outlet surface 140 connected to the edge 130. The air guide surface 129 is configured to guide airflow between the air outlet surface 140 and the air guide surface 129. The plurality of air guide structures 120 are disposed on the air guide surface 129 of the air deflector body 110 and are arranged sequentially along the length of the air deflector body 110. The plurality of air guide structures 120 are arranged such that the distance between each air guide structure and the air outlet surface 140 is less than ½ of the distance between the air guide surface 129 and the air outlet surface 140. The plurality of air guide structures 120 are arranged to form a first air guide area, a second air guide area, and a third air guide area on corresponding sides of the air guide body 110. The first air guide area is used to accelerate the corresponding airflow, the second air guide area is used to direct the corresponding airflow toward one lateral side of the air guide body 110, and the third air guide area is used to direct the corresponding airflow toward the other lateral side of the air guide body 110, away from the first air guide area.

[0058] Compared to the relatively small height of the guide ribs in the related art, the guide structures in this embodiment are relatively large in height because the distance between each guide structure and the air outlet surface 140 is less than 1 / 2 of the distance between the guide surface 129 and the air outlet surface 140. This allows the majority of the airflow to pass through the guide structure before exiting, resulting in a significant airflow guidance effect. The airflow from the air duct of the air conditioner passes through the multiple guide structures 120 and is then discharged from the first, second, and third guide areas. The airflow passing through the first guide area is accelerated, increasing the amount of airflow entrained. The airflow passing through the second guide area diffuses and is blown out from one lateral side of the air deflector body 110, increasing the diffusion angle of the air outlet 131 on the corresponding side. The airflow passing through the third guide area diffuses and is blown out from the other lateral side of the air deflector body 110, increasing the diffusion angle of the air outlet 131 on the corresponding side. The diffused airflow passing through the second and third guide areas increases the contact area between the airflow and the air, thereby increasing the amount of airflow entrained. Since the amount of airflow and indoor airflow is increased, the momentum and cooling capacity of the airflow are quickly transferred to the indoor airflow, so the temperature adjustment speed is faster and the blowing speed outside the air outlet 131 is reduced faster, achieving the effect of not blowing cold air on people.

[0059] In some alternative embodiments of the present invention, the distance between each air guide structure and the edge 130 is less than 1 / 2 of the distance between the air guide surface 129 and the edge 130 .

[0060] In some embodiments, the first wind guide area is in the middle of the length of the wind guide plate body, and the second wind guide area and the third wind guide area are on both sides of the first wind guide area. The direction of the airflow is shown in Figure 5, which shows the mainstream direction of the airflow passing through the wind guide plate according to an embodiment of the present invention, wherein the first color area 205 represents the first airflow direction, the second color area 209 represents the second airflow direction, and the third color area 206 represents the third airflow direction. As can be seen from Figure 5, the airflow passing through the second wind guide area and the third wind guide area is blown out along the first airflow direction and the second airflow direction respectively, and the airflow passing through the first wind guide area is blown out along the third airflow direction, and the speed increases. In other words, the airflow on both sides of the air outlet 131 is blown out in a diffuse manner on both sides, and the airflow in the middle is blown out to the front side, and the speed increases.

[0061] Figure 6 shows the temperature field of an air conditioner indoor unit with a relatively low air guide structure height. The third color region 203 represents the first temperature field, and the fourth color region 202 represents the second temperature field. The temperature of the second temperature field is lower than that of the first temperature field. As shown in Figure 6, the majority of the area at the front of the air conditioner indoor unit is in the first temperature field. Figure 7 shows the temperature field of an air conditioner indoor unit according to an embodiment of the present invention. As shown in Figure 7, a portion of the area at the front of the air conditioner indoor unit is in the first temperature field, while another portion is in the second temperature field. This indicates that the air conditioner indoor unit of this embodiment achieves a better cooling effect. Figure 8 compares the average room temperature of an air conditioner indoor unit with a relatively low air guide structure height and the average room temperature of an air conditioner indoor unit of this embodiment at different time points, assuming the same indoor temperature. The X-axis represents time, and the Y-axis represents temperature. The upper spline represents the change in the average room temperature of the air conditioner indoor unit with a relatively low air guide structure height, while the lower spline represents the change in the average room temperature of the air conditioner indoor unit with a relatively high air guide structure height. As shown in Figure 8, the average room temperature of the indoor unit of the air conditioner with a higher guide structure height decreases faster.

[0062] As shown in Figure 9, the wind speed field of an air conditioner indoor unit with a relatively small guide structure, wherein the fifth color area 214 represents the first wind speed field, and the sixth color area 216 represents the second wind speed field. The wind speed of the second wind speed field is greater than the wind speed of the first wind speed field. As shown in Figure 9, the area of ​​the first wind speed field with the lowest wind speed at the front side of the air conditioner indoor unit is relatively small. As shown in Figure 10, the wind speed field of an air conditioner indoor unit according to an embodiment of the present invention is shown. As shown in Figure 10, the area of ​​the first wind speed field with the lowest wind speed at the front side of the air conditioner indoor unit is significantly increased, that is, the air conditioner indoor unit of this embodiment has a better effect in reducing wind speed. Figure 11 compares the room average wind speed of an air conditioner indoor unit with a relatively small guide structure at different time points, setting the same indoor wind speed or air volume. The X-axis represents time, and the Y-axis represents wind speed. The upper spline represents the average wind speed for indoor air conditioners with smaller air guide structures, while the lower spline represents the average wind speed for indoor air conditioners with taller air guide structures. Figure 11 shows that indoor air conditioners with taller air guide structures have lower average wind speeds.

[0063] Furthermore, in some embodiments of the present invention, the projection of the guide structure on a plane perpendicular to the length direction of the air deflector body is the projection of the guide structure. Along the direction of airflow, the ratio of the width of the guide structure projection to the width d of the air deflector body is greater than 1 / 2 and less than 1. The ratio of the height d2 of the guide structure projection to the width d of the air deflector body is greater than 1 / 2 and less than 1. The above arrangement makes the guide structure "large" enough. When the air outlet 131 of the air deflector body is opened, it can ensure that most of the airflow passes through the guide mechanism and has a significant guide effect.

[0064] In some embodiments of the present invention, as shown in FIG3 , the first air guide area is located between the second and third air guide areas. The plurality of air guide structures 120 include at least one first air guide structure 123 for forming the first air guide area. The at least one first air guide structure 123 forms one or more air guide channels extending along the airflow direction. The narrowest point of the air guide channel 124 is located downstream of the inlet of the air guide channel 124.

[0065] The second and third air guide areas are located at either end of the first air guide area, accelerating the airflow exiting the center of the air guide plate body and diffusing the airflow exiting the opposite ends of the air guide plate body. The fact that the narrowest point is not at the inlet accelerates the airflow as it enters the inlet of guide channel 124 and passes through the narrowest point. As shown in Figure 3, the inlet width of guide channel 124 is set to n1, and the width at the narrowest point is set to n2. The relationship between the two is 0.4n1≤n2≤0.7n1.

[0066] In some embodiments of the present invention, as shown in FIG3 , each first guide structure 123 includes a first guide vane 1232 and a second guide vane 1231, with a guide channel formed between the two guide vanes. The first guide vane 1232 arches toward the second guide vane 1231, and the second guide vane 1231 arches toward the first guide vane 1232. There are multiple first guide structures 123, and the multiple first guide vanes 1232 and the multiple second guide vanes 1231 are alternately arranged along the length of the deflector body. In two adjacent guide structures, the ends of the second guide vane 1231 of one first guide structure 123 are connected to the ends of the first guide vane 1232 of the other first guide structure 123. In other words, the first guide structures 123 are distributed sequentially along the length of the deflector body, starting from one end: the first guide vane 1232, the second guide vane 1231, the third guide vane 1232, and the fourth guide vane 1231. A flow guide channel is formed between the first guide plate 1232 in the first position and the second guide plate 1231 in the second position. The second guide plate 1231 in the second position is connected to both ends of the first guide plate 1232 in the third position. Another flow guide channel is formed between the first guide plate 1232 in the third position and the second guide plate 1231 in the fourth position.

[0067] In some embodiments of the present invention, the inlet 125 of the diversion channel 124 is larger than or equal to the outlet 126 of the diversion channel 124, and the narrowest point of the diversion channel is located between the inlet and outlet of the diversion channel. The width of the outlet 126 of the diversion channel 124 is n3, and the relationship between the width of the inlet 125 of the diversion channel 124 and the width of the outlet 126 of the diversion channel 124 is n3≤n1.

[0068] In some embodiments of the present invention, the plurality of air guide structures 120 further include a plurality of second air guide structures 121 for forming a second air guide area, and a plurality of third air guide structures 122 for forming a third air guide area. Each second air guide structure and each third air guide structure are sheet-shaped. Each second air guide structure 121 and each third air guide structure 122 extend along the airflow direction and gradually deflect toward both ends of the lengthwise direction of the air guide plate body 110.

[0069] By extending the plurality of second guide structures 121 along the flow direction of the supply air flow and tilting toward one end, and extending the plurality of third guide structures 122 along the flow direction of the supply air flow and tilting toward the other end, the air outlet of the air conditioner can form a fan-shaped wide-angle air supply effect, making the air supply angle larger and the airflow distribution more uniform.

[0070] In some embodiments of the present invention, as shown in FIG3 , along the airflow direction, the angle between the tangent line at the end of the second air guide structure 121 and the width direction of the air deflector body 110 is a first air guide angle, denoted by α. The angle between the tangent line at the end of the third air guide structure 122 and the width direction of the air deflector body 110 is a second air guide angle, denoted by β. The further away from the longitudinal center of the air deflector body 110, the larger the first air guide angle α of the second air guide structure 121. The further away from the longitudinal center of the air deflector body 110, the larger the second air guide angle β of the third air guide structure 122.

[0071] The above structure increases the velocity of the airflow when it is blown out between two adjacent second guide structures 121 or third guide structures 122. As the first guide angle α increases with proximity to one end of the deflector body 110, the distance between the front sections of adjacent second guide structures 121 gradually decreases along the flow direction of the airflow, thereby accelerating the airflow out of adjacent second guide structures 121. As the second guide angle β increases with proximity to the other end of the deflector body 110, the distance between the front sections of adjacent third guide structures 122 gradually decreases along the flow direction of the airflow, thereby accelerating the airflow out of adjacent third guide structures 122. As shown in Figure 3, taking the second guide structure as an example, along the direction of air flow, the distance between the starting ends of adjacent second guide structures 121 is m1, the minimum air outlet gap is m2, and the minimum gap between the two second guide structures 121 is m3. 0.5m1≤m2≤0.8m1, 0≤m3≤0.2m2. This setting ensures a greater suction effect while ensuring better wind dispersion.

[0072] In some embodiments of the present invention, the second guide structure 121, the third guide structure 122, and the first guide structure 123 are arranged with substantially the same length along the lengthwise direction of the air deflector body 110, so that approximately one-third of the airflow is accelerated, and the remaining two-thirds of the airflow is evenly diffused and blown out along both sides of the air outlet 131. It should be noted that an airflow channel with a small inlet and a large outlet is formed between the first guide structure 123 closest to the second guide structure 121 and the adjacent second guide structure 121, and an airflow channel with a small inlet and a large outlet is also formed between the first guide structure 123 closest to the third guide structure 122 and the adjacent third guide structure 122.

[0073] In some embodiments of the present invention, the number of the second guide structures 121 and the number of the third guide structures 122 are the same, and the second guide structures 121 and the third guide structures 122 are symmetrically arranged about an auxiliary plane extending in the front-to-back direction and arranged vertically.

[0074] In some embodiments of the present invention, the first flow guiding structure 123 on one side of the auxiliary plane is symmetrically arranged with the first flow guiding structure 123 on the other side of the auxiliary plane.

[0075] In some embodiments of the present invention, the projections of each flow-guiding structure are the same.

[0076] In some embodiments of the present invention, the air deflector body 110 rotates around a rotation axis extending along the length direction of the air deflector body 110. The air deflector body 110 is used to open and close the air outlet 131. When the air deflector body 110 closes the air outlet 131, the rotation axis is at the rear side of the air deflector body. The line on the air outlet surface closest to the rotation axis is the reference line, and the plane where the reference line and the rotation axis are located is the reference plane. The distance from the rotation axis to the reference line is the limiting distance. When the air deflector body 110 closes the air outlet 131, the projection of each guide structure includes a first area on the inside of the reference plane and a second area on the outside of the reference plane. The distance between any point on the edge of the first area and the rotation axis is less than or equal to the limiting distance.

[0077] This arrangement ensures that when the air deflector body 110 opens and closes the air outlet 131 , the guide structure and the air outlet surface 140 will not interfere with each other, and will not affect the normal opening and closing of the air deflector body 110 .

[0078] In some embodiments of the present invention, the edge of the second area includes a first section 1283, a second section 1284, and a third section 1282, which are connected in sequence. One end of the first section 1283 is a first point, and when the air deflector body closes the air outlet 131, the first point is on the reference plane. The connection point between the other end of the first section 1283 and one end of the second section 1284 is a second point C, and the connection point between the other end of the second section 1284 and one end of the third section 1282 is a third point D. The other end of the third section 1282 is connected to the air deflector body. The ratio of the distance from the rotation axis 150 to the second point C to the distance from the rotation axis to the third point D is 1.1 to 1.3. Preferably, the ratio of the distance from the rotation axis 150 to the second point C to the distance from the rotation axis to the third point D is 1.2. The ratio of the distance from the rotation axis to the second point C to the distance from the rotation axis to the first point is 1 to 1.05. Preferably, the ratio of the distance from the rotation axis to the second point C to the distance from the rotation axis to the first point is 1.02. The ratio of the distance between the first point and the second point C to the distance between the second point C and the third point D is 0.6 to 0.65. Preferably, the ratio of the distance between the first point and the second point C to the distance between the second point C and the third point D is 0.62. When the air deflector body is fully opened, the third point D is on the inner side of the reference plane, and the ratio of the distance between the third point D and the reference plane to the distance between the second point C and the third point D is 1.2 to 1.25. Preferably, the ratio of the distance between the third point D and the reference plane to the distance between the second point C and the third point D is 1.23. As shown in Figure 2, points C and D are in the first area, that is, the distances from C and D to the rotation axis 150 are less than or equal to the limit distance. Set the rotation axis 150 and the limit distance to r. Then points C and D are located in a circle with a radius r and a center at the rotation axis 150 .

[0079] Preferably, the angle between the third section 1282 and the air deflector body is less than or equal to 90°. Preferably, the third section 1282 is perpendicular to the air deflector body.

[0080] In some embodiments of the present invention, the edge of the first region further includes a fourth segment 1281 and a fifth segment. One end A of the fourth segment 1281 is connected to the air deflector body 110, the other end of the fourth segment 1281 is connected to one end of the fifth segment, and the other end of the fifth segment is connected to the first point of the first segment 1283. The length of the first region is d1, and d1 is greater than zero.

[0081] In some embodiments of the present invention, as shown in FIG. 4 , the distance between points A and B is smaller than the width of the air guide body.

[0082] An embodiment of the present invention provides an indoor unit of an air conditioner, comprising an air guide plate, which is the air guide plate of any of the above embodiments.

[0083] In some embodiments of the present invention, as shown in FIG2 , the air outlet surface 140 includes an upper outlet section connected to the upper edge 130 of the air outlet 131. The upper outlet section is flat. The air deflector body 110 is provided with a flat surface configured to align with the upper outlet section when the air deflector body 110 is rotated to close the air outlet 131. This arrangement ensures that when the air deflector body 110 is closed, the air deflector body 110 fits tightly against the upper wall of the air duct, eliminating any gaps. This provides a neat appearance for the air conditioner and prevents the ingress of foreign matter.

[0084] Furthermore, in some embodiments of the present invention, as shown in FIG2 , the distance from the rotation axis 150 to the rear end of the upper outlet section is the closing distance. Along the airflow direction, the distance from the connection point between the end of the multiple guide structures and the air guide plate body 110 to the rotation axis 150 is less than or equal to the closing distance. The above arrangement ensures that the multiple guide structures will not interfere with the air outlet surface during the process of the air guide plate from opening to closing. In other words, point B is located in a circle with a radius of R and the rotation axis 150 as the center, where R is the distance from the rotation axis 150 to the point where the air outlet 131 is sealed with the air guide plate. When the air guide plate is closed, this point is in contact with or close to point B.

[0085] At this point, those skilled in the art will recognize that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications consistent with the principles of the present invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims

1. An air guide plate for an air conditioner, comprising: The wind deflector body extends in the transverse direction, and one side surface of the wind deflector body is a wind deflecting surface; The air conditioner comprises an air duct and an air outlet, the air outlet having an edge extending along the length direction of the air guide body, the air duct having an air outlet surface connected to the edge; the air guide body is configured to be disposed at the air outlet of the air conditioner to guide airflow to flow out from between the air outlet surface and the air guide surface; A plurality of guide structures are provided on the wind guide surface of the wind guide plate body and are arranged in sequence along the length direction of the wind guide plate body; and When the air guide plate body guides air, the distance between each of the air guide structures and the edge or the air outlet surface is less than 1 / 2 of the distance between the air guide surface and the edge or the air outlet surface; as well as The multiple guide structures are configured to form a first guide area, a second guide area and a third guide area on the corresponding sides of the guide plate body. The first guide area is used to accelerate the corresponding airflow, the second guide area is used to make the corresponding airflow flow toward one lateral side of the guide plate body, and the third guide area is used to make the corresponding airflow flow toward the other lateral side of the guide plate body.

2. The wind deflector according to claim 1, wherein: The projection of each of the guide structures on a plane perpendicular to the length direction of the air guide plate body is the guide structure projection; Along the airflow direction, the ratio of the width of the projection of each of the guide structures to the width of the air guide body is greater than 1 / 2 and less than 1; The ratio of the height of the projection of each of the air guide structures to the width of the air guide plate body is greater than 1 / 2 and less than 1.

3. The wind deflector according to claim 1 or 2, wherein: The first air guiding area is located between the second air guiding area and the third air guiding area; The plurality of guide structures include at least one first guide structure for forming the first air guide area; at least one first guide structure forms one or more guide channels extending along the airflow direction; The narrowest position of the guide channel is located on the downstream side of the inlet of the guide channel.

4. The wind deflector according to claim 3, wherein: Each of the first guide structures includes a first guide plate and a second guide plate, wherein the guide channel is formed between the first guide plate and the second guide plate; The first guide plate is arched toward the second guide plate, and the second guide plate is arched toward the first guide plate; There are multiple first guide structures, and the multiple first guide blades and the multiple second guide blades are alternately arranged in sequence along the length direction of the air guide plate body; In two adjacent first flow guide structures, two ends of the second flow guide plate of one first flow guide structure are connected to two ends of the first flow guide plate of the other first flow guide structure.

5. The wind deflector according to claim 4, wherein: The inlet of the guide channel is larger than the outlet of the guide channel, and the narrowest position of the guide channel is located between the inlet of the guide channel and the outlet of the guide channel. The wind deflector according to claim 3 , wherein: The plurality of flow guiding structures further include: a plurality of second guide structures for forming the second air guide area, each of the second guide structures being in a sheet shape; each of the second guide structures extending along the air flow direction and deflecting toward one end in the longitudinal direction of the air guide plate body; A plurality of third guide structures are used to form the third air guide area, each of the third guide structures is in a sheet shape; each of the third guide structures extends along the air flow direction and deflects toward the other end of the length direction of the air guide plate body.

7. The wind deflector according to claim 6, wherein: Along the airflow direction, the angle between the tangent line of the end of each second air guide structure and the width direction of the air guide body is a first air guide angle, and the angle between the tangent line of the end of each third air guide structure and the width direction of the air guide body is a second air guide angle; The further away from the longitudinal center of the air deflector body, the larger the first deflection angle of the second deflector structure is; The further away from the center of the air guide plate body in the longitudinal direction, the larger the second air guide angle of the third air guide structure is.

8. The wind deflector according to any one of claims 1 to 7, wherein: The air deflector body rotates around a rotation axis extending along the length direction of the air deflector body, and the air deflector body is used to open and close the air outlet. When the air deflector body closes the air outlet, the rotation axis is located at the rear side of the air deflector body; The line on the air outlet surface closest to the rotation axis is a reference line, and the plane where the reference line and the rotation axis lie is a reference plane; the distance from the rotation axis to the reference line is a limiting distance; The projection of each of the guide structures on a plane perpendicular to the length direction of the air guide plate body is a projection of the guide structure. When the air guide plate body closes the air outlet, each of the guide structure projections includes a first area on the inner side of the reference plane and a second area on the outer side of the reference plane; the distance between any point on the edge of the first area and the rotation axis is less than or equal to the limiting distance.

9. The wind deflector according to claim 8, wherein: The edge of the second area includes a first section, a second section and a third section connected in sequence; One end of the first section is a first point. When the air deflector body closes the air outlet, the first point is on the reference plane. The connection point between the other end of the first section and one end of the second section is a second point. The connection point between the other end of the second section and one end of the third section is a third point. The other end of the third section is connected to the air deflector body. a ratio of a distance from the rotation axis to the second point to a distance from the rotation axis to the third point is 1.1 to 1.3; a ratio of a distance from the rotation axis to the second point to a distance from the rotation axis to the first point is 1 to 1.05; a ratio of a distance between the first point and the second point to a distance between the second point and the third point is 0.6 to 0.65; When the air deflector body is fully opened, the third point is located inside the reference plane, and a ratio of a distance between the third point and the reference plane to a distance between the second point and the third point is 1.2 to 1.

25.

10. An indoor unit of an air conditioner, comprising an air guide plate, wherein the air guide plate is the air guide plate according to any one of claims 1 to 9.

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