Wind type regulation and control mechanism, fan and control method of fan

Abstract

The invention discloses a wind type regulation and control mechanism, a fan and a control method of the fan, and the wind type regulation and control mechanism comprises a support, an annular mounting space is arranged in the support; the multiple guide vanes are arranged in the mounting space in the circumferential direction at intervals, and each guide vane can rotate relative to the support so as to be switched between a first state and a second state; and the air duct adjusting part is arranged on the support and located on the air outlet sides of the multiple guide vanes, the air duct adjusting part has an air gathering state and an air dispersing state, and the air outlet area of the air duct adjusting part in the air gathering state is smaller than that of the air duct adjusting part in the air dispersing state. Therefore, by arranging the multiple guide vanes and the air duct adjusting pieces, the adjusting effect of the air type adjusting and controlling mechanism on the air flow can be effectively improved, the difference of the air outlet feeling can be improved, the working states of the guide vanes and the air duct adjusting pieces can be adjusted, and a user can adjust the working state of the air type adjusting and controlling mechanism according to the actual use requirement; the use requirements of the user are met, and the use experience of the user is improved.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese patent application number "202311874236.3" filed by Guangdong Midea Environmental Electrical Appliance Manufacturing Co., Ltd. on December 29, 2023, entitled "Wind type control mechanism, fan and fan control method". Technical Field

[0003] The present invention relates to the technical field of household electrical appliances, and in particular to a wind type regulating mechanism, a fan and a control method of the fan. Background Art

[0004] As people's living standards continue to improve, consumers' requirements for fans are also getting higher and higher.

[0005] In the related art, a guide mechanism for adjusting the direction of airflow is provided on the fan. However, the guiding effect of the guide mechanism on the airflow is poor, resulting in a small difference in the wind feeling of the fan's air outlet, which cannot meet the user's usage needs and affects the user's usage experience. Summary of the invention

[0006] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a wind type control device, which has a good guiding effect on the airflow, so that the wind feeling of the air outlet has a significant difference.

[0007] 14. The wind pattern control mechanism of claim 13, wherein the at least one guide vane is disposed in a directional manner such that the at least one guide vane is rotatable relative to the bracket to switch between a first state and a second state. In the first state, an air outlet end of the guide vane extends outwardly in a direction toward an inner circumferential wall of the installation space relative to an air inlet end of the guide vane. In the second state, an angle between the guide vane and the first center axis is a first angle. In the second state, an angle between the guide vane and the first center axis is a second angle, which is smaller than the first angle. A duct adjustment member is disposed on the bracket and located on an air outlet side of the plurality of guide vanes. The duct adjustment member has a wind gathering state and a wind dispersion state. An air outlet area of ​​the duct adjustment member in the wind gathering state is smaller than an air outlet area in the wind dispersion state.

[0008] According to the wind type control mechanism of the present invention, a plurality of guide vanes are provided, and the plurality of guide vanes are allowed to rotate relative to the bracket so as to switch the guide vanes between a first state and a second state, thereby adjusting the rectifying effect of the guide vanes on the airflow, thereby adjusting the intensity of the airflow when flowing out and the air outlet range. In addition, an air duct adjustment member is provided on the air outlet side of the plurality of guide vanes, and the airflow after passing through the plurality of guide vanes flows into the air duct adjustment member. The inner wall of the air duct adjustment member can guide the airflow, and the air outlet area of ​​the air duct adjustment member is adjustable so as to switch the air duct adjustment member between a wind gathering state and a wind dispersion state. The air duct adjustment member cooperates with the plurality of guide vanes to further adjust the intensity of the airflow when flowing out from the wind type control mechanism and the air outlet range, thereby improving the regulating effect of the wind type control mechanism on the airflow, which is beneficial to improving the difference in the wind feeling of the air outlet, and the user can adjust the working state of the wind type control mechanism according to actual use needs to meet the user's use needs and improve the user's use experience.

[0009] A wind type control mechanism comprises: an air duct, the air duct having an air inlet side and an air outlet side, the air duct being used to guide the air flow to be blown out from the air inlet side toward the air outlet side, the air duct having a first central axis extending from the air inlet side toward the air outlet side; the air duct being provided with a plurality of guide vanes on the air outlet side, the plurality of guide vanes extending outwardly relative to the first central axis, and the plurality of guide vanes being deflectable relative to the first central axis; the air duct being provided with an adjustable air duct adjustment member in the circumferential direction of the air outlet side, the air duct adjustment member forming an air flow adjustment cavity, the inner wall of the air flow adjustment cavity being adjustable relative to the air flow adjustment cavity under the action of the air duct adjustment member The vertical plane of the first central axis is deflected; the wind type control mechanism has a wind gathering mode and a wind dispersion mode; the guide vane is deflected at a larger angle relative to the first central axis in the wind dispersion mode than in the wind gathering mode, so that the airflow is in an outwardly dispersed state after passing through the guide vane in the wind dispersion mode, and is rectified and gathered in the middle after being rectified by the guide vane in the wind gathering mode; the inner wall of the airflow regulating cavity is deflected at a larger angle relative to the vertical plane in the wind dispersion mode than in the wind gathering mode, so that the airflow is restricted by the inner wall of the airflow regulating cavity in the wind gathering mode, and is diffused outwardly under the guidance of the inner wall of the airflow regulating cavity in the wind dispersion mode.

[0010] The advantages of the wind type control mechanism are the same as those of the above-mentioned wind type control mechanism, which will not be elaborated here.

[0011] According to some embodiments of the present invention, the guide vane and the air duct adjustment member are arranged in sequence along a first central axis; or the guide vane is arranged in the airflow adjustment cavity.

[0012] According to some embodiments of the present invention, the orthographic projection of the air inlet end of the inner wall of the air duct adjusting member on the vertical plane of the first central axis completely covers the orthographic projections of the plurality of guide vanes on the vertical plane.

[0013] According to some embodiments of the present invention, in the wind focusing mode, the guide vanes are arranged parallel to the first central axis.

[0014] According to some embodiments of the present invention, the air duct is linear.

[0015] According to some embodiments of the present invention, in the second state, the guide vane is arranged parallel to the central axis of the support.

[0016] According to some embodiments of the present invention, in the second state, the guide vane is arranged parallel to the central axis of the support.

[0017] According to some embodiments of the present invention, a cross section of the guide vane is formed as a curve, and the cross section is arranged perpendicular to a central axis of the support.

[0018] According to some embodiments of the present invention, the air duct adjustment member is configured to be linked with the plurality of guide vanes.

[0019] According to some embodiments of the present invention, the air duct adjustment member includes a plurality of swing blades, the plurality of swing blades are arranged along the circumference of the bracket, and each of the swing blades is rotatably disposed on the bracket.

[0020] According to some embodiments of the present invention, the wind type control mechanism also includes a driving ring, which is rotatably disposed on the bracket, and each of the guide vanes is rotatably connected to the bracket and the driving ring respectively; each of the swing blades is slidably matched with the driving ring, and the driving ring rotates to drive the guide vanes and the swing blades to rotate in conjunction.

[0021] According to some embodiments of the present invention, adjacent swing blades have overlapping areas in the circumferential direction of the bracket.

[0022] According to some embodiments of the present invention, in the wind gathering state, the cross-sectional area of ​​the air duct adjusting member gradually decreases in the direction toward the air outlet; and / or in the wind dispersing state, the cross-sectional area of ​​the air duct adjusting member gradually increases in the direction toward the air outlet.

[0023] According to some embodiments of the present invention, the length of the air duct adjustment member is H1, and the thickness of the guide vane in a direction parallel to the first central axis is H2, wherein H1>H2.

[0024] Another object of the present invention is to provide a fan.

[0025] A fan comprises: a wind type regulating mechanism, which is the above-mentioned wind type regulating mechanism; and a driving fan, which is located at the air inlet side of the plurality of guide vanes.

[0026] The advantages of the fan are the same as those of the above-mentioned air pattern control mechanism, and will not be elaborated here one by one.

[0027] According to some embodiments of the present invention, the driving fan is an axial flow fan.

[0028] According to some embodiments of the present invention, the cross-section of the guide vane is formed as a curve, the curve is an Archimedean spiral, the bending direction of the curve is opposite to the rotation direction of the blades of the driving fan, and the cross-section is perpendicular to the rotation center line of the driving fan.

[0029] According to some embodiments of the present invention, a part of the blades of the driving fan extends into the installation space.

[0030] According to some embodiments of the present invention, in the direction parallel to the central axis of the bracket, the distance between the blades of the driving fan and the air inlet end of the guide vane is L2, and 7mm ≤ L2 ≤ 15mm.

[0031] According to some embodiments of the present invention, the fan further includes an air outlet grille, and the air outlet grille is arranged in the air outlet area of the fan.

[0032] According to some embodiments of the present invention, the air outlet grille includes an intermediate area and an outer ring area, the air guiding ribs in the intermediate area are formed as arc-shaped ribs, and the air guiding ribs in the outer ring area are formed as straight ribs.

[0033] According to some embodiments of the present invention, in the direction away from the first central axis, the air outlet end of the straight rib extends obliquely outward in the direction away from the rotation center line of the driving fan.

[0034] According to some embodiments of the present invention, the value range of the inclination angle of the straight rib relative to the rotation center line is 20° - 40°.

[0035] According to some embodiments of the present invention, the air outlet grille is detachably arranged on the housing.

[0036] Another object of the present invention is to propose a control method for a fan.

[0037] A control method for a fan, the fan is the above-mentioned fan, and the control method includes: when receiving a wind gathering instruction, controlling the inner wall of the air duct adjusting member to deflect towards the first central axis and controlling the guide vane to deflect towards the first central axis to gather the air flow towards the first central axis for wind gathering; when receiving a wind dispersing instruction, controlling the inner wall of the air duct adjusting member to deflect away from the first central axis and controlling the guide vane to deflect away from the first central axis to disperse the air flow towards the direction away from the first central axis for wind dispersing.

[0038] The control method of the fan has the same advantages as those of the above-mentioned fan, which will not be elaborated here one by one.

[0039] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0041] Figure 1 is a schematic structural diagram of the air pattern regulating mechanism according to an embodiment of the present invention in the air-diffusing mode;

[0042] Figure 2 is Figure 1 a cross-sectional view taken along A-A;

[0043] Figure 3 is a schematic structural diagram of the air pattern regulating mechanism according to an embodiment of the present invention in the air-concentrating mode;

[0044] Figure 4 is Figure 3 a cross-sectional view taken along B-B;

[0045] Figure 5 is a simulation diagram of the air pattern regulating mechanism according to an embodiment of the present invention in the air-diffusing mode and the air-concentrating mode, where Figure A is a simulation diagram of the air pattern regulating mechanism in the air-diffusing mode, and Figure B is a simulation diagram of the air pattern regulating mechanism in the air-concentrating mode;

[0046] Figure 6 is a schematic structural diagram of the swing blade provided with a flow guiding portion according to an embodiment of the present invention;

[0047] Figure 7 is a schematic structural diagram of the guide vane according to an embodiment of the present invention Figure 1 ;

[0048] Figure 8 is a schematic structural diagram of the guide vane according to an embodiment of the present invention Figure 2 ;

[0049] Fig. 9 is a schematic structural diagram of the bracket when the adjustment method of the air pattern regulating mechanism according to an embodiment of the present invention is rotational drive;

[0050] Fig.10 is a schematic structural diagram of the drive ring when the adjustment method of the air pattern regulating mechanism according to an embodiment of the present invention is rotational drive;

[0051] Fig.11Schematic diagram of the structure of the swing blades when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is rotational drive;

[0052] Fig.12 Assembly schematic diagram of the wind type adjustment mechanism and the drive fan when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is rotational drive;

[0053] Fig.13 Schematic diagram of the movement of the guide vane relative to the fixed ring according to the embodiment of the present invention;

[0054] Fig.14 Schematic diagram of the movement of the guide vane relative to the drive ring according to the embodiment of the present invention;

[0055] Fig.15 Cooperation schematic diagram of the drive device, the drive fan and the wind type adjustment mechanism when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is rotational drive Figure 1 ;

[0056] Fig.16 Cooperation schematic diagram of the drive device, the drive fan and the wind type adjustment mechanism when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is rotational drive Figure 2 ;

[0057] Fig.17 Schematic diagram of the structure of the drive ring with a toggle rod when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is rotational drive;

[0058] Fig.18 Schematic diagram of the structure of the outer shell according to the embodiment of the present invention Figure 1 ;

[0059] Fig.19 Assembly schematic diagram of the wind type adjustment mechanism and the outer shell when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is rotational drive and the drive ring is provided with a toggle rod;

[0060] Fig. 20 Schematic diagram of the structure of the bracket when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is linear drive;

[0061] Fig.21 Schematic diagram of the structure of the drive ring when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is linear drive Figure 1 ;

[0062] Fig. 22 Schematic diagram of the structure of the swing blades when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is linear drive;

[0063] Fig.23 Schematic diagram of the structure when the adjustment method of the wind type adjustment mechanism according to the embodiment of the present invention is linear drive;

[0064] Fig.24 Schematic diagram of the cooperation between the driving device and the air pattern regulation mechanism when the regulation method of the air pattern regulation mechanism described in the embodiment of the present invention is linear drive Figure 1 ;

[0065] Fig.25 Schematic diagram of the cooperation between the driving device and the air pattern regulation mechanism when the regulation method of the air pattern regulation mechanism described in the embodiment of the present invention is linear drive Figure 2 ;

[0066] Fig.26 Schematic diagram of the structure of the driving ring when the regulation method of the air pattern regulation mechanism described in the embodiment of the present invention is linear drive Figure 2 ;

[0067] Fig. 27 Schematic diagram of the structure of the guiding ring described in the embodiment of the present invention Figure 1 ;

[0068] Fig.28 Schematic diagram of the structure of the guiding ring described in the embodiment of the present invention Figure 2 ;

[0069] Fig.29 Schematic diagram of the structure when the regulation method of the air pattern regulation mechanism described in the embodiment of the present invention is linear drive and the driving ring is provided with a toggle rod

[0070] Fig.30 Schematic diagram of the structure of the housing described in the embodiment of the present invention Figure 2 ;

[0071] Fig.31 Schematic diagram of the assembly of the air pattern regulation mechanism and the housing when the air pattern regulation mechanism described in the embodiment of the present invention is linear drive and the driving ring is provided with a toggle rod

[0072] Fig.32 Schematic diagram of the structure of the air pattern regulation mechanism described in the embodiment of the present invention Figure 3 ;

[0073] Fig.33 is Fig.32 a cross-sectional view taken at C-C;

[0074] Fig.34 Schematic diagram of the structure of the housing described in the embodiment of the present invention Figure 4 ;

[0075] Fig.35 Schematic diagram of the structure of the air pattern regulation mechanism described in the embodiment of the present invention Figure 4 ;

[0076] Fig.36 Schematic diagram of the structure of the housing described in the embodiment of the present invention Figure 5 ;

[0077] Fig.37 Schematic structure of the wind type control mechanism according to the embodiment of the present invention Figure 5 ;

[0078] Fig.38 is Fig.37 a cross-sectional view taken at D-D;

[0079] Fig.39 Schematic structure of the housing according to the embodiment of the present invention Figure 6 ;

[0080] Fig.40 Schematic structure diagram of the fan according to the embodiment of the present invention;

[0081] Fig.41 is Fig.40 a cross-sectional view taken at E-E;

[0082] Fig.42 Schematic structure diagram of the air outlet grille according to the embodiment of the present invention.

[0083] Reference numerals:

[0084] Wind type control mechanism 100, air duct 101,

[0085] Bracket 110, installation space 111, inner peripheral wall 112,

[0086] Fixed ring 113, second hole 1131, guide groove 1132, swing blade support 1133, guide rib 1134, sliding groove 1135, swing blade mounting portion 1136,

[0087] Guide vane support 114, first hole 1141, guide vane support body 1142, guide vane support cover 1143, connecting rib 115, bracket mounting seat 116, bracket ball head 117, external thread 118, magnet seat 119,

[0088] Drive ring 140, drive groove 141, first limit position P, second limit position Q, guiding portion 142, guiding groove 1421, avoidance groove 143, guiding groove 144, limiting block 1441, pressing groove 145, drive rod mounting seat 146, driving portion 147, toggle rod 148, connecting projection 149,

[0089] Guide vane 120, rotating shaft 121, guide vane arm 122, connecting plate 123,

[0090] Air duct adjusting member 130, air outlet 131, swing blade 132, first swing blade 1321, second swing blade 1322, third swing blade 1323, main swing blade 1324, slave swing blade 1325, swing blade connecting seat 1326, guiding rod 1327, connecting arm 1328, driving rod 1329, driving seat 1330, air guiding part 133, air flow adjusting cavity 134

[0091] Driving device 150, crank 151, driving gear 152, connecting rod 153

[0092] Guiding ring 160, engaging part 161, internal thread 162

[0093] Fan 1000, housing 200, air inlet area 210, air outlet area 220, bracket fixing seat 230, sliding groove 240, internal thread 250, through hole 260, mating magnet 270

[0094] Driving fan 300, blade 310, blade tip 311

[0095] Air outlet grille 400, middle area 410, outer ring area 420, air guiding rib 430, arc-shaped rib 431, straight rib 432 Detailed implementation mode

[0096] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0097] In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

[0098] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0099] Reference will be made below Figure 1-Figure 42 to describe the air pattern adjustment mechanism 100 and the fan 1000 according to embodiments of the present invention.

[0100] In combination with Figures 1 to 4 , the air pattern adjustment mechanism 100 according to an embodiment of the present invention includes: a bracket 110, a plurality of guide vanes 120, and an air duct adjustment member 130. An installation space 111 is provided inside the bracket 110. The bracket 110 has a first axis. The plurality of guide vanes 120 are arranged at intervals around the first central axis in the installation space 111. Each guide vane 120 is rotatable relative to the bracket 110 to switch between a first state and a second state. In the first state, the air outlet end of the guide vane 120 extends outward in a direction toward the inner peripheral wall 112 of the installation space 111 relative to the air inlet end of the guide vane 120. The angle between the guide vane 120 and the first central axis is a first angle. In the second state, the angle between the guide vane 120 and the first central axis is a second angle, and the second angle is smaller than the first angle. The air duct adjustment member 130 is provided on the bracket 110 and is located on the air outlet side of the plurality of guide vanes 120. The air duct adjustment member 130 has a wind gathering state and a wind dispersing state. The area of the air outlet 131 of the air duct adjustment member 130 in the wind gathering state is smaller than the area of the air outlet 131 in the wind dispersing state.

[0101] It should be noted that the first central axis is in the same direction as the extension direction of the bracket 110. For example, when the bracket 110 extends straight, the first central axis is parallel or collinear with the rotation center line of the driving fan 300. The direction of the first central axis can also be understood as the front-back direction of the air pattern adjustment mechanism 100; when the bracket 110 extends in a curve, the first central axis extends in a curve, and when the first central axis forms a curve, the first angle can be the tangent of the guide vane 120 and the first central axis.

[0102] Specifically, the bracket 110 is used to provide an installation position for the guide vanes 120 and the air duct adjusting member 130. Among them, an installation space 111 is provided inside the bracket 110, and the inner wall surface of the bracket 110 is the inner peripheral wall 112 of the installation space 111. The inner peripheral wall 112 is arranged around the first central axis of the installation space 111. A plurality of guide vanes 120 are arranged at intervals in sequence around the first central axis in the installation space 111. The guide vanes 120 have an air inlet end and an air outlet end. The air flow flows from the air inlet end of the guide vane 120 to the air outlet end of the guide vane 120 through the gap between two adjacent guide vanes 120. The guide vanes 120 can play a role in guiding the air flow, so as to adjust the flow direction of the air flow.

[0103] Further, the guide vane 120 has a first state and a second state. The guide vane 120 is rotatably installed on the bracket 110 to switch between the first state and the second state. Figure 1 and Figure 2 , in the first state, in the direction of the extension of the first central axis, the guide vane 120 is arranged at an angle with the first central axis. This angle is the first angle. At this time, the extension direction of the guide vane 120 is basically the same as the flow direction of the air flow. When the air flow passes through the guide vane 120, it can effectively maintain its original flow direction, so that the overall air flow presents a conical shape after flowing out, thus ensuring the divergent state when the air flow flows out.

[0104] It should be noted that the air flow passing through the air flow control mechanism 100 is spiral and has a circumferential component velocity and an axial component velocity.

[0105] When it is necessary to switch the guide vane 120 from the first state to the second state, Figure 3 and Figure 4 , the guide vane 120 gradually deflects in the direction parallel to the first central axis. Compared with the first state, the angle between the guide vane 120 and the first central axis is smaller at this time, that is, the second angle is smaller than the first angle. The guide vane 120 can be arranged parallel to the first central axis or slightly deviate from the first central axis. At this time, the extension direction of the guide vane 120 is different from the flow direction of the air flow. After the air flow impacts the guide vane 120, the guide vane 120 can guide the air flow, and the circumferential component velocity of the air flow is converted into the axial component velocity, so that the overall air flow presents a cylindrical shape after flowing out. The air flow velocity is large and the flow range is small, so that the air flow can be adjusted to a converging state.

[0106] It should be noted that the first angle or the second angle can be a negative angle, that is, when the guide vane 120 switches between the first state and the second state, the guide vane 120 can rotate from one direction to another direction. In this case, the first angle or the second angle can be a negative angle, which is less than 0°.

[0107] Of course, it can be understood that, compared with the guide vane 120 being parallel to the first axis, when the guide vane 120 is slightly deviated from the first central axis, the flow rectification effect of the guide vane 120 on the air flow is relatively small, and the air flow still has a certain diffusion ability when flowing out of the guide vane 120. However, in this case, the diffusion effect of the air flow after flowing out of the guide vane 120 is weaker than the diffusion effect of the air flow when the guide vane 120 is in the first state. That is, when the guide vane 120 is slightly deviated from the first central axis, the guide vane 120 can converge the air flow.

[0108] Further, the air duct adjusting member 130 is arranged on the bracket 110. The air duct adjusting member 130 is located on the air outlet side of the plurality of guide vanes 120. And since the plurality of guide vanes 120 are installed in the installation space 111 formed by the bracket 110, and the air duct adjusting member 130 is installed on the bracket, that is, in the direction of the orthographic projection along the first central axis, the air duct adjusting member 130 is located radially outside the plurality of guide vanes 120. The air flow flows into the air duct adjusting member 130 after flowing through the plurality of guide vanes 120. The air duct adjusting member 130 is used to adjust the peripheral air flow of the air flow flowing in a spiral shape as a whole.

[0109] Among them, the area of the air outlet 131 of the air duct adjusting member 130 can be adjusted, so as to further adjust the flow range and intensity of the air flow through the area of the air outlet 131. Combining Figure 1 and Figure 2 , when the air duct adjusting member 130 is in the air-diffusing state, the area of the air outlet 131 of the air duct adjusting member 130 is large, and the interference of the inner wall of the air duct adjusting member 130 on the circumferential component velocity of the peripheral air flow is small. The air flow can still maintain a certain circumferential component velocity when flowing out of the air duct adjusting member 130. The air flow as a whole presents a conical shape after flowing out of the air duct adjusting member 130, so as to ensure the divergent state when the air flow flows out, and the wind feeling is soft.

[0110] Combining Figure 3 and Figure 4 , when the air duct adjusting member 130 is in the air-converging state, the inner wall of the air duct adjusting member 130 can guide the air flow flowing into it. The air duct adjusting member 130 can regularize the peripheral air flow of the air flow flowing into it. And compared with the air-diffusing state of the air duct adjusting member, at this time, the area of the air outlet 131 of the air duct adjusting member 130 is small. The air duct adjusting member 130 can adjust the circumferential component velocity of the peripheral air flow into the axial component velocity, so that the air flow flowing out of the air duct adjusting member 130 converges towards the direction close to the first central axis and has a longer flow distance, and the air outlet is strong.

[0111] It should be noted that the "air outlet side of the guide vane 120" refers to the side of the plurality of guide vanes 120 located at the air outlet end.

[0112] Optionally, when multiple guide vanes 120 are in the first state, the air duct adjusting member 130 can be in a diffusing state or a wind-concentrating state. When multiple guide vanes 120 are in the second state, the air duct adjusting member 130 can be in a diffusing state or a wind-concentrating state.

[0113] Among them, when multiple guide vanes 120 are in the first state, the air duct adjusting member 130 is in a diffusing state. After the air flow flows out of the guide vane 120 assembly, the air duct adjusting member 130 can further direct the air flow to maintain the circumferential component velocity of the air flow and ensure the diffusing effect when the air flow flows out of the air type regulating mechanism 100. When multiple guide vanes 120 are in the second state, the air duct adjusting member 130 is in a wind-concentrating state. After the air flow flows out of the guide vane 120, the air duct adjusting member 130 can further rectify the air flow to ensure the concentrating effect when the air flow flows out of the air type regulating mechanism 100.

[0114] In addition, since the air duct adjusting member 130 is mainly used to direct and adjust the peripheral air flow, its adjustment effect on the middle air flow is limited. By making the air duct adjusting member 130 cooperate with multiple guide vanes 120, the air type regulating mechanism 100 can adjust the overall air flow. Thereby, the guiding effect of the air type regulating mechanism 100 on the air flow can be improved, and thus the adjusting effect of the air type regulating mechanism 100 on the air flow can be improved. Moreover, the air type regulating mechanism 100 has different working modes, so that the air outlet feeling of the air type regulating mechanism 100 is different. The user can adjust the working state of the air type regulating mechanism 100 according to the actual use requirements to meet the different use requirements of the user and improve the user experience.

[0115] In the related art, a guiding mechanism for adjusting the air flow direction is provided on the fan. However, the guiding effect of the guiding mechanism on the air flow is poor, and the working state of the guiding mechanism cannot be adjusted, resulting in that the blowing range and the air outlet feeling of the fan cannot be adjusted, which cannot meet the use requirements of the user and affects the user experience.

[0116] In this application, by arranging a plurality of rotatable guide vanes 120 on the air pattern control mechanism 100, in the first state, the adjustment effect of the guide vanes 120 on the air flow is small, and the air flow can maintain the original circumferential component velocity, so that the air flow flowing through the guide vanes 120 can diverge. In the second state, the guide vanes 120 are substantially perpendicular to the air outlet surface, and the circumferential component velocity of the air flow is converted into an axial component velocity after hitting the guide vanes 120, so that the air flow is adjusted to a converging state, thereby realizing the adjustment of the rectifying effect of the guide vanes 120 on the air flow. In addition, a duct adjusting member 130 is arranged on the air outlet side of the plurality of guide vanes 120. The inner wall of the duct adjusting member 130 can guide the air flow, and the area of the air outlet 131 of the duct adjusting member 130 is adjustable, so as to realize the air gathering state and the air dispersing state of the duct adjusting member 130, thereby realizing the adjustment of the rectifying effect of the duct adjusting member 130 on the air flow. The plurality of guide vanes 120 cooperate with the duct adjusting member 130 to improve the guiding effect of the air pattern control mechanism 100 on the air flow, thereby improving the adjustment effect of the air pattern control mechanism 100 on the air flow, which is beneficial to increasing the difference in the air outlet feeling. The user can adjust the working state of the air pattern control mechanism 100 according to the actual use requirements to meet the different use requirements of the user and improve the user experience.

[0117] According to the air pattern control mechanism 100 of the present invention, by arranging a plurality of guide vanes 120 and enabling the plurality of guide vanes 120 to rotate relative to the bracket 110, it is convenient to switch the guide vanes 120 between the first state and the second state, thereby adjusting the rectifying effect of the guide vanes 120 on the air flow, and thus adjusting the intensity and the air outlet range when the air flow flows out. In addition, a duct adjusting member 130 is arranged on the air outlet side of the plurality of guide vanes 120. The air flow flowing through the plurality of guide vanes 120 flows into the duct adjusting member 130. The inner wall of the duct adjusting member 130 can guide the air flow, and the area of the air outlet 131 of the duct adjusting member 130 is adjustable, so as to enable the duct adjusting member 130 to switch between the air gathering state and the air dispersing state. The duct adjusting member 130 cooperates with the plurality of guide vanes 120 to further adjust the intensity and the air outlet range when the air flow flows out from the air pattern control mechanism 100, improve the adjustment effect of the air pattern control mechanism 100 on the air flow, and the user can adjust the working state of the air pattern control mechanism 100 according to the actual use requirements to meet the use requirements of the user and improve the user experience.

[0118] In a further embodiment of the present invention, the air pattern control mechanism 100 has multiple modes, so that the guide vanes 120 have multiple states, and the angle between the guide vanes 120 and the first central axis can be multiple. When the angle between the guide vanes 120 and the first central axis is different, the guiding state of the guide vanes 120 on the air flow is different, thereby realizing multiple air outlet feelings of the air pattern control mechanism 100.

[0119] Combined Figure 1 and Figure 2, the air pattern control mechanism 100 according to the present invention includes: an air duct 101, the air duct 101 having an air inlet side and an air outlet side, the air duct 101 being configured to guide air flow to blow from the air inlet side towards the air outlet side, the air duct 101 having a first central axis extending from the air inlet side towards the air outlet side; a plurality of guide vanes 120 are provided on the air outlet side of the air duct 101, the plurality of guide vanes 120 extending outward relative to the first central axis, and the plurality of guide vanes 120 being deflectable relative to the first central axis; an adjustable air duct adjustment member 130 is arranged circumferentially on the air outlet side of the air duct 101, the air duct adjustment member 130 forming an air flow adjustment cavity 134, and the inner wall of the air flow adjustment cavity 134 being deflectable relative to the vertical plane of the first central axis under the action of the air duct adjustment member 130; the air pattern control mechanism 100 has a concentrated air mode and a diffused air mode, the guide vanes 120 being deflected by a greater angle relative to the first central axis in the diffused air mode than in the concentrated air mode, so that the air flow is in an outwardly diffused state after passing through the guide vanes 120 in the diffused air mode, and being rectified and converging towards the middle when passing through the guide vanes 120 in the concentrated air mode; the inner wall of the air flow adjustment cavity 134 is deflected by a greater angle relative to the vertical plane in the diffused air mode than in the concentrated air mode, so that the air flow is restricted by the inner wall of the air flow adjustment cavity 134 in the concentrated air mode, and the air flow diffuses outward under the guidance of the inner wall of the air flow adjustment cavity 134 in the diffused air mode.

[0120] Specifically, an air duct is provided inside the air pattern control mechanism 100, and air flow can flow from the air inlet side of the air duct to the air outlet side of the air duct. The air duct can restrict the flow direction of the air flow, prevent the air flow from diverging, and ensure the air outlet effect of the air pattern control mechanism 100. Among them, the air duct 101 is configured as a column, and the air duct 101 forms a first central median line extending from the air inlet side towards the air outlet side.

[0121] Furthermore, a plurality of guide vanes 120 are provided on the air outlet side of the air duct 101. The plurality of guide vanes 120 extend radially outward around the first central axis, and a gap is formed between every two adjacent guide vanes 120. The air flow can flow through the guide vanes 120 through the gap between two adjacent guide vanes 120. The guide vanes 120 can guide the air flow, thereby adjusting the air outlet feeling and the air outlet range when the air flow flows out. Moreover, the guide vanes 120 can rotate relative to the first central axis, so that the adjustment effect of the guide vanes 120 on the air flow can be adjusted.

[0122] Further, the air duct adjusting member 130 is disposed on the air outlet side of the air duct 101 and arranged in the circumferential direction. An air flow adjusting cavity 134 is formed in the air duct adjusting member 130. When the air flow flows through the guide vane 120 and then into the air flow adjusting cavity 134, the inner wall of the air flow adjusting cavity 134 can guide the air flow to adjust the air outlet feeling and the air outlet range when the air flow flows out of the air duct adjusting member 130. When adjusting the air duct adjusting member 130, the inner wall of the air flow adjusting cavity 134 formed by the air duct adjusting member 130 can deflect relative to the vertical plane of the first central axis, so that the adjustment effect of the inner wall of the air flow adjusting cavity 134 on the air flow can be adjusted.

[0123] It should be noted that the "vertical plane" does not refer to the plane extending in the vertical direction, but only means perpendicular to the first central axis.

[0124] Further, the air pattern control mechanism 100 has a wind gathering mode and a wind dispersing mode. When the air pattern control mechanism 100 is in the wind gathering mode, the guide vane 120 can be arranged parallel to the first central axis or the guide vane 120 can deviate slightly from the first central axis. At this time, the extending direction of the guide vane 120 is different from the flowing direction of the air flow, and the air flow will impact on the guide vane 120, and the guide vane 120 can guide the air flow, so that the circumferential component velocity of the air flow is converted into the axial component velocity, and the air flow converges towards the direction close to the first central axis.

[0125] When the air pattern control mechanism 100 is in the wind dispersing mode, the guide vane 120 deflects, and the included angle formed between the guide vane 120 and the first central axis increases. At this time, the extending direction of the guide vane 120 is basically the same as the flowing direction of the air flow. When the air flow flows through the guide vane 120, it can effectively maintain its original flowing direction, so that the overall air flow presents a conical shape after flowing out, that is, the air flow deflects towards the direction deviating from the first central axis, and the air flow diverges.

[0126] Further, when the air pattern control mechanism 100 is in the wind gathering mode, the inner wall of the air flow adjusting cavity 134 is arranged at an angle with the vertical plane, and the inner wall of the air flow adjusting cavity 134 can regularize the air flow, so that the circumferential component velocity of the air flow is adjusted to the axial component velocity, and the air flow flowing out of the air duct adjusting member 130 gathers towards the direction close to the first central axis.

[0127] When the air pattern control mechanism 100 is in the wind dispersing mode, compared with when the air pattern control mechanism 100 is in the wind gathering mode, the included angle formed between the inner wall of the air flow adjusting cavity 134 and the vertical plane is larger, so as to reduce the adjustment effect of the inner wall of the air flow adjusting cavity 134 on the circumferential component velocity of the air flow. When the air flow flows out of the air duct adjusting member 130, it can still maintain a certain circumferential component velocity, so that the overall air flow presents a conical shape when flowing out, and the air flow is in a divergent state.

[0128] It can be understood that when the air pattern regulating mechanism 100 is in the air-diffusing mode, the air guide vanes 120 and the air duct regulating member 130 have a small rectifying effect on the air flow. When the air flow flows out of the air pattern regulating mechanism 100, it maintains a certain circumferential component velocity, so that the overall air flow can be diffused in a conical shape and the wind feeling is soft. When the air pattern regulating mechanism 100 is in the air-concentrating mode, both the air guide vanes 120 and the air duct regulating member 130 can adjust the circumferential component velocity of the air flow into the axial component velocity, so that the air flow converges in the direction of the first central axis and the wind feeling is strong.

[0129] By making the air duct regulating member 130 cooperate with the plurality of air guide vanes 120, the air pattern regulating mechanism 100 can adjust the overall air flow, thereby improving the guiding effect of the air pattern regulating mechanism 100 on the air flow, and further improving the regulating effect of the air pattern regulating mechanism 100 on the air flow. Moreover, the working state of the air pattern regulating mechanism 100 can be switched, so that there are obvious differences in the air outlet wind feeling. The user can adjust the working state of the air pattern regulating mechanism 100 according to the actual use requirements to meet the different use needs of the user and improve the user experience.

[0130] According to the air pattern regulating mechanism 100 of the present invention, by arranging a plurality of air guide vanes 120 and enabling the plurality of air guide vanes 120 to rotate relative to the bracket to adjust the rectifying effect of the air guide vanes 120 on the air flow, thereby regulating the intensity and the air outlet range when the air flow flows out. In addition, the inner wall of the air flow regulating cavity 134 can guide the air flow to facilitate adjusting the regulating effect of the air duct regulating member 130 on the air flow. The air duct regulating member 130 cooperates with the plurality of air guide vanes 120 to further regulate the intensity and the air outlet range when the air flow flows out of the air pattern regulating mechanism 100, improve the regulating effect of the air pattern regulating mechanism 100 on the air flow, and the user can adjust the working state of the air pattern regulating mechanism 100 according to the actual use requirements to meet the use needs of the user and improve the user experience.

[0131] Combined Figure 1 and Figure 2 , in some embodiments of the present invention, the air guide vanes 120 and the air duct regulating member 130 are arranged in sequence along the first central axis; or the air guide vanes 120 are arranged in the air flow regulating cavity 134.

[0132] Specifically, the air duct adjusting member 130 is arranged on the air outlet side of the guide vane 120 along the direction of the first central axis. The air flow preferentially flows through the plurality of guide vanes 120. After the plurality of guide vanes 120 guide the air flow, the air flow flows into the air flow adjusting cavity 134. The inner wall of the air flow adjusting cavity 134 further guides the air flow. Since the air duct adjusting member 130 is mainly used for guiding and adjusting the peripheral air flow, its adjustment effect on the intermediate air flow is limited. By arranging the guide vane 120 and the air duct adjusting member 130 in sequence along the direction of the first central axis, the inner wall of the air flow adjusting cavity 134 can guide the peripheral air flow, and the guide vane 120 can guide the intermediate air flow, so as to realize that the air flow regulating mechanism 100 can guide the overall air flow, improve the adjustment effect of the air flow regulating mechanism 100 on the air flow, and is beneficial to increasing the difference in the air outlet feeling in different modes.

[0133] Optionally, the guide vane 120 can be arranged on the air outlet side of the air duct adjusting member 130 and located outside the air flow adjusting cavity 134, so as to facilitate the separate assembly of the guide vane 120 and the air duct adjusting member 130; the guide vane 120 can also be arranged in the air flow adjusting cavity 134, which is beneficial to reducing the size of the air flow regulating mechanism 100 along the direction of the first central axis, and thus is beneficial to realizing the miniaturized design of the air flow regulating mechanism 100.

[0134] Combined with Figure 1 and Figure 2 , in some embodiments of the present invention, the orthographic projection of the air inlet end of the inner wall of the air duct adjusting member 130 on the vertical plane of the first central axis completely covers the orthographic projection of the plurality of guide vanes 120 on the vertical plane.

[0135] It should be noted that along the direction of the first central axis, the end of the air duct adjusting member 130 close to the guide vane 120 is defined as the air inlet end of the air duct adjusting member 130.

[0136] Specifically, the orthographic projection of the air inlet end of the inner wall of the air duct adjusting member 130 (i.e., the inner wall of the air flow adjusting cavity 134) on the direction along the first central axis completely covers the orthographic projection of the plurality of guide vanes 120 on the direction along the first central axis, that is, the radial dimension of the inner wall of the air flow adjusting cavity 134 at the air inlet end is larger than the radial dimension of the circle formed by the ends of the plurality of guide vanes 120 far from the first central axis, which is beneficial to ensuring that all the air flow can flow in when the air flow flows from the guide vane 120 to the air duct adjusting member 130, and thus is beneficial to ensuring the air outlet efficiency.

[0137] In some embodiments of the present invention, in the air gathering mode, the guide vane 120 is arranged parallel to the first central axis.

[0138] Specifically, in the air gathering mode, the guide vane 120 is arranged parallel to the first central axis. At this time, the extending direction of the guide vane 120 is different from the flowing direction of the air flow. The air flow will impact on the guide vane 120, and the guide vane 120 guides the air flow, so that the circumferential component velocity of the air flow is converted into the axial component velocity. The air flow converges towards the first central axis. After flowing out of the guide vane 120, the air flow as a whole presents a shape similar to a cylinder. The flow velocity of the air flow is large and the flow range is small, so that the guide vane 120 can play the role of gathering the air flow.

[0139] In some other embodiments of the present invention, compared with the arrangement where the guide vane 120 is parallel to the first central axis, the guide vane 120 can also deviate slightly from the first central axis, which is beneficial to reducing the requirement for the regulation accuracy of the guide vane 120 while ensuring that the guide vane 120 can play the role of gathering the air flow. Specifically, the angle setting of the guide vane 120 can be determined according to the actual air outlet requirement and the regulation accuracy, and no specific limitation is made here as long as the guiding effect of the guide vane 120 on the air flow is ensured.

[0140] Combined with Figure 1 and Figure 2 , in some embodiments of the present invention, the air duct 101 is linear.

[0141] Specifically, the linear structure of the air duct 101 is beneficial to ensuring the stability of the flow velocity and pressure of the air flow in the air duct 101, reducing the pressure loss of the air flow, and avoiding problems such as turbulence of the air flow in the air duct 101, which is beneficial to reducing the noise generated by the air flow in the air duct 101.

[0142] The air flow flows into the air duct 101 from the air inlet side of the air duct 101, and then further flows through the guide vane 120. After the guide vane 120 guides the air flow, the air flow further flows into the air flow adjustment cavity 134 of the air duct adjustment member 130. The inner wall of the air flow adjustment cavity 134 further guides the air flow, so as to adjust the air outlet effect of the air type adjustment mechanism 100. Combined with Figure 3 and Figure 4 , in some embodiments of the present invention, in the second state, the guide vane 120 is arranged parallel to the central axis of the bracket 110.

[0143] Specifically, the central axis of the bracket 110 is arranged perpendicular to the air outlet surface. In the second state, the guide vane 120 being parallel to the axis of the bracket 110 means that the guide vane 120 is perpendicular to the air outlet surface. At this time, the extending direction of the guide vane 120 is different from the flowing direction of the air flow. When the air flow flows through the guide vane 120, the air flow will impact on the guide vane 120. The guide vane 120 can rectify the air flow, so that the circumferential component velocity of the air flow is converted into the axial component velocity, so as to guide the air flow to gradually concentrate in the direction extending towards the central axis of the bracket 110, and can increase the flowing distance of the air flow in the axial direction, improve the intensity of the air flow when flowing out, and make the air flow stronger.

[0144] Combined with Figure 1 、 Figure 3 and Figure 7 , in some embodiments of the present invention, the cross-section of the guide vane 120 is formed as a curve, and the cross-section is perpendicular to the central axis of the bracket 110.

[0145] Specifically, the cross-section of the guide vane 120 perpendicular to the central axis of the bracket 110 is formed as a curve. Preferably, the curve can be an arc, that is, the side walls of each two adjacent guide vanes 120 that are opposite and spaced are curved, so that the gap formed between each two adjacent guide vanes 120 is curved, so as to reduce the wind resistance when the air flow passes through the guide vane 120 and ensure the flow effect of the air flow.

[0146] As Figure 8 shown, in some other embodiments of the present invention, the cross-section of the guide vane 120 perpendicular to the central axis of the bracket 110 is formed as a straight line, which is convenient for the processing of the guide vane 120. Specifically, the shape of the guide vane 120 can be determined according to the requirements of the guiding effect of the guide vane 120 on the air flow, and no specific limitation is made here.

[0147] Combined with Figures 1 to 4 , in some embodiments of the present invention, the air duct adjusting member 130 is configured to be linked with a plurality of guide vanes 120.

[0148] Specifically, when a plurality of guide vanes 120 rotate relative to the bracket 110 to switch between a first state and a second state, the air duct adjusting member 130 simultaneously switches between a diffusing state and a concentrating state. For example, when a plurality of guide vanes 120 are in the first state, the air duct adjusting member 130 is simultaneously in the diffusing state, the outlet 131 area of the air duct adjusting member 130 is large, the air flow maintains the circumferential component velocity, and the air flow diverges in the circumferential direction after flowing out of the air type regulating mechanism 100, realizing the diffusing mode of the air type regulating mechanism 100; when it is necessary to switch the air type regulating mechanism 100 from the diffusing mode to the concentrating mode, a plurality of guide vanes 120 rotate relative to the bracket 110, the air outlet end of the guide vane 120 guides the air in a direction deviating from the inner peripheral wall 112 of the installation space 111, and at the same time the outlet area of the air duct adjusting member 130 is reduced, and the air flow converges towards the direction close to the central axis of the bracket 110, realizing the concentrating mode of the air type regulating mechanism 100.

[0149] Similarly, when it is necessary to switch the air type regulating mechanism 100 from the concentrating mode to the diffusing mode, a plurality of guide vanes 120 rotate relative to the bracket 110, the air outlet end of the guide vane 120 rotates towards the direction close to the inner peripheral wall 112 of the installation space 111, and at the same time the outlet area of the air duct adjusting member 130 is increased, and the air flow diverges in the circumferential direction.

[0150] Thus, by making the air duct adjusting member 130 linked with the plurality of guide vanes 120, it is ensured that when the guide vanes 120 are in the first state, the air duct adjusting member 130 is in the air-diffusing state, and when the guide vanes 120 are in the second state, the air duct adjusting member 130 is in the air-concentrating state, that is, it is ensured that the guiding effects of the guide vanes 120 and the air duct adjusting member 130 on the air flow are the same, so as to ensure the adjusting effect of the air flow regulating mechanism 100 on the air flow. At the same time, the linkage between the air duct adjusting member 130 and the guide vanes 120 is beneficial to reducing the time required for the air flow regulating mechanism 100 to switch the working mode and improving the switching speed of the air flow regulating mechanism 100.

[0151] Combined with Figures 1 to 4 , in some embodiments of the present invention, the air duct adjusting member 130 includes a plurality of swing blades 132, the plurality of swing blades 132 are arranged along the circumferential direction of the bracket 110, and each swing blade 132 is rotatably arranged on the bracket 110.

[0152] It should be noted that the end of the swing blade 132 close to the bracket 110 in the axial direction is defined as the inner end of the swing blade 132, which can also be understood as the air inlet end of the swing blade 132. The end of the swing blade 132 far from the bracket 110 in the axial direction is defined as the outer end of the swing blade 132, which can also be understood as the air outlet end of the swing blade 132. And the outer end of the swing blade 132 is the outer side of the air duct adjusting member 130, and the inner end of the swing blade 132 is the inner side of the air duct adjusting member 130. In addition, an air outlet 131 is formed on the outer side of the air duct adjusting member 130.

[0153] Specifically, a plurality of swing blades 132 are provided, and the plurality of swing blades 132 are evenly arranged along the circumferential direction of the bracket 110 to configure the air duct adjusting member 130 into a ring shape. The inner end of each swing blade 132 is rotatably connected to the bracket 110, and when the inner end of the swing blade 132 rotates relative to the bracket 110, the outer end of each swing blade 132 can move in a direction close to or away from the central axis of the air duct adjusting member 130, so as to adjust the area of the air outlet 131 of the air duct adjusting member 130, reduce or increase the area of the air outlet 131, so that the air duct adjusting member 130 can be switched between the air-diffusing state and the air-concentrating state.

[0154] It can be understood that when the inner end of the swing blade 132 drives the outer end to rotate toward the direction close to the central axis of the air duct regulating member 130, the multiple swing blades 132 shrink inwardly in the radial direction, and the area of ​​the air outlet 131 is small. The multiple swing blades 132 can regularize the airflow to convert the circumferential component velocity of the airflow into the axial component velocity, so that the wind intensity is large and the wind feeling is strong, thereby realizing the wind gathering state of the air duct regulating member 130; when the inner end of the swing blade 132 drives the outer end to rotate in the direction away from the central axis of the air duct regulating member 130, the multiple swing blades 132 expand outwardly in the radial direction, the area of ​​the air outlet 131 is increased, and the swing blades 132 have little interference with the circumferential component velocity of the airflow. When the airflow is discharged from the air duct regulating member 130, the airflow can still maintain a certain circumferential component velocity, so that the air outlet area is large and the air outlet is soft, thereby realizing the wind dispersing state of the air duct regulating member 130.

[0155] In some embodiments of the present invention, the wind type control mechanism 100 also includes a drive ring 140, which is rotatably disposed on the bracket 110, and each guide vane 120 is rotatably connected to the bracket 110 and the drive ring 140 respectively; each swing blade 132 is slidably matched with the drive ring 140, and the drive ring 140 rotates to drive the guide vane 120 and the swing blade 132 to rotate in conjunction.

[0156] Specifically, Fig. 9 As shown, the bracket 110 includes a fixing ring 113 and a guide vane support 114, an assembly space is formed in the fixing ring 113, the guide vane support 114 is arranged in the assembly space and defines an annular installation space 111 together with the fixing ring 113, a plurality of first holes 1141 arranged at intervals in the circumferential direction are formed on the guide vane support 114, a rotating shaft 121 is provided on each guide vane 120, the rotating shaft 121 protrudes from the guide vane 120 in the extension direction of the guide vane 120, one end of the rotating shaft 121 close to the guide vane support 114 is rotatably inserted in the first hole 1141, a plurality of second holes 1131 arranged at intervals in the circumferential direction are provided on the fixing ring 113, one end of the rotating shaft 121 close to the fixing ring 113 is rotatably inserted in the second hole 1131, and the guide vane 120 can be rotatably connected to the bracket 110 through the rotating shaft 121.

[0157] Further integration Figures 10 to 12, the driving ring 140 is sleeved on the radial outer side of the fixed ring 113 and is reciprocally rotatable relative to the fixed ring 113. One end of the guide vane 120 close to the fixed ring 113 is provided with a guide vane arm 122. The guide vane arm 122 is adjacent to and arranged at intervals with the rotating shaft 121. The fixed ring 113 is provided with a plurality of guiding grooves 1132 arranged at intervals in the circumferential direction. The driving ring 140 is provided with a plurality of driving grooves 141 arranged at intervals in the circumferential direction. The driving grooves 141 are used to drive the guide vane 120 to rotate within the design range. The driving grooves 141 and the guiding grooves 1132 are arranged in one-to-one correspondence. The guide vane arm 122 passes through the driving grooves 141 and the guiding grooves 1132 at the same time. When the driving ring 140 rotates relative to the fixed ring 113, the groove wall of the driving groove 141 presses against the guide vane arm 122 to drive the guide vane arm 122 to move within the guiding groove 1132. At this time, the rotating shaft 121 rotates relative to the fixed ring 113 and the guide vane support 114 to ensure that the guide vane arm 122 can move within the guiding groove 1132. At the same time, the rotating shaft 121 drives the guide vane 120 to rotate relative to the fixed ring 113 and the guide vane support 114 to switch between the first state and the second state.

[0158] Referring to Fig.13 , it can be understood that the movement locus of the guide vane arm 122 is: an arc movement with the central axis of the rotating shaft 121 as the rotation center and the distance between the guide vane arm 122 and the rotating shaft 121 as the radius. Therefore, the guiding groove 1132 is configured as a circular arc around the second hole 1131 to match the movement locus of the guide vane arm 122, and the guiding groove 1132 can limit the movement range of the guide vane arm 122, thereby limiting the rotation angle of the guide vane 120. By designing the size of the guiding groove 1132 to ensure that the guide vane arm 122 can move within the design range, thereby ensuring that the guide vane 120 can rotate within the design range. The specific size of the guiding groove 1132 can be designed according to the rotation range requirements of the actual guide vane 120, and no specific limitation is made here.

[0159] As Fig.14 shown, the driving groove 141 has a first limit position P and a second limit position Q. The first limit position P can be understood as the position of the central axis of the driving arm when it is located at one end of the driving groove 141, and the second limit position Q can be understood as the position of the central axis of the driving arm when it is located at the other end of the driving groove 141. The length dimension of the first limit position P and the second limit position Q in the air outlet direction is the movement distance of the guide vane arm 122 in the air outlet direction when it moves from the first limit position P to the second limit position Q (or from the second limit position Q to the first limit position P).

[0160] The arc length between the first extreme position P and the second extreme position Q on the driving groove 141 in the circumferential direction is related to the maximum angle of operation of the driving ring 140. The arc length between the first extreme position P and the second extreme position Q on the driving groove 141 in the circumferential direction is greater than or equal to the operating angle of the driving ring 140 multiplied by the radius of the driving ring 140. Specifically, the shape of the guiding groove 1421 and the operating angle of the driving ring 140 can be designed according to the rotation range requirements of the actual guide vane 120, and no specific limitation is made here.

[0161] In addition, as Fig.11 shown, the air inlet end of the swinging blade 132 is rotatably connected to the fixed ring 113. The swinging blade 132 is provided with a guiding rod 1327. The guiding rod 1327 is arranged on the side of the swinging blade 132 away from the central axis of the air duct adjusting member 130. The guiding rod 1327 can be arranged parallel to the swinging blade 132 and extend away from the swinging blade 132.

[0162] Further referring to Fig.10 , a plurality of guiding portions 142 are arranged on the driving ring 140 at intervals in the circumferential direction. The guiding portions 142 extend from the driving ring 140 in the radial direction away from the driving ring 140 to face the guiding rod 1327. An inclined guiding groove 1421 is formed on the guiding portion 142, that is, one end of the guiding groove 1421 is arranged close to the driving ring 140 in the radial direction, and the other end of the guiding groove 1421 is arranged away from the driving ring 140 in the radial direction. The guiding rod 1327 is inserted into the guiding groove 1421. When the driving ring 140 rotates relative to the fixed ring 113, the inner groove wall of the guiding groove 1421 can press against the guiding rod 1327 to make it slide in the guiding groove 1421. At the same time, due to the inclined arrangement of the guiding groove 1421, the guiding rod 1327 slides in the guiding groove 1421, and at the same time, the guiding rod 1327 inclines and moves in the radial direction towards or away from the central axis of the bracket 110. For example, the guiding groove 1421 can drive the end of the guiding rod 1327 away from the swinging blade 132 to move in the radial direction towards the central axis of the bracket 110. At this time, the end of the guiding rod 1327 close to the swinging blade 132 moves in the radial direction away from the central axis of the bracket 110; when the guiding groove 1421 drives the end of the guiding rod 1327 away from the swinging blade 132 to move in the radial direction away from the central axis of the bracket 110, the end of the guiding rod 1327 close to the swinging blade 132 moves in the radial direction towards the central axis of the bracket 110.

[0163] Combined with Figures 9 to 12, a swing blade connecting seat 1326 is provided at the air inlet end of each swing blade 132. A plurality of swing blade supports 1133 are arranged on the fixed ring 113 at intervals in the circumferential direction. A groove structure adapted to the swing blade connecting seat 1326 is formed on the swing blade support 1133. The swing blade connecting seat 1326 can be embedded on the swing blade support 1133 and is rotatably connected to the swing blade support 1133 through a connecting shaft. The guide rod 1327 is connected to the swing blade connecting seat 1326 and the swing blade 132 through a connecting arm 1328, and the guide rod 1327 is arranged at one end of the connecting arm 1328 away from the swing blade 132. When the driving ring 140 drives the guide rod 1327 to move, the guide rod 1327 drives the swing blade 132 to rotate relative to the fixed ring 113 through the connecting part, so that the air outlet end of the swing blade 132 moves in a direction close to or away from the central axis of the air duct adjusting member 130, thereby adjusting the area of the air outlet 131 of the air duct adjusting member 130 and realizing the switching of the air duct assembly between the air gathering state and the air scattering state.

[0164] Wherein, since the guide rod 1327 is arranged at one end of the connecting arm 1328 away from the swing blade 132, the guide rod 1327 is arranged at an interval from the swing blade connecting seat 1326 to prevent the movement of the guide rod 1327 and the swing blade connecting seat 1326 from interfering with each other.

[0165] When the driving ring 140 rotates to drive the guide vane arm 122 to move through the driving groove 141, the guide rod 1327 slides in the guide groove 1421 at the same time, thereby driving the swing blade 132 to rotate to realize the linkage between the guide vane 120 and the swing blade 132.

[0166] Combined Fig.12 and Fig.15 , specifically, when the guide rod 1327 slides to the end closest to the central axis of the bracket 110 in the guide groove 1421, the guide rod 1327 drives the air outlet end of the swing blade 132 to move in a direction away from the central axis of the air duct adjusting member 130, and the air outlet end of the swing blade 132 rotates to the maximum distance from the central axis of the air duct adjusting member 130. At this time, the area of the air outlet 131 of the air duct adjusting member 130 is the largest, and the air duct adjusting member 130 is in the air scattering state. At the same time, the driving groove 141 drives the air outlet end of the guide vane 120 to rotate towards the inner peripheral wall 112 of the installation space 111 through the guide vane arm 122, so that the guide vane 120 can rotate to the first state, realizing the air scattering mode of the air type control mechanism 100.

[0167] When the guide rod 1327 slides in the guide groove 1421 to the end farthest from the central axis of the bracket 110, the guide rod 1327 drives the air outlet end of the swing blade 132 to move toward the direction close to the central axis of the air duct adjustment member 130, and the air outlet end of the swing blade 132 rotates until the distance from the central axis of the air duct adjustment member 130 is minimum. At this time, the air outlet 131 of the air duct adjustment member 130 has the smallest area, and the air duct adjustment member 130 is in a wind gathering state. At the same time, the driving groove 141 drives the air outlet end of the guide vane 120 to rotate in the direction deviating from the inner circumferential wall 112 of the installation space 111 through the guide vane arm 122, so that the guide vane 120 can rotate to the second state, thereby realizing the wind gathering mode of the wind type control mechanism 100.

[0168] Combination Fig.10 and Fig.15 In a further embodiment of the present invention, a plurality of avoidance grooves 143 arranged at intervals along the circumferential direction are further provided on the driving ring 140, and the avoidance grooves 143 are adjacent to the guide portions 142 and are arranged one-to-one. The avoidance grooves 143 are used to avoid the end of the guide rod 1327 to prevent the guide rod 1327 from abutting against the outer wall surface of the driving ring 140, which results in a small movable distance of the guide rod 1327, and is beneficial to increasing the rotatable angle of the swing blade 132, thereby facilitating improving the difference between the guiding effects of the air duct adjustment member 130 on the airflow in different states.

[0169] Reference Fig.23 In other embodiments of the present invention, the drive ring 140 is disposed on the bracket 110, and the drive ring 140 can move in the axial direction relative to the bracket 110, and each guide vane 120 is rotatably connected to the bracket 110 and the drive ring 140 respectively; each swing blade 132 is connected to the drive ring 140, and when the drive ring 140 moves in the axial direction, it can drive the guide vane 120 and the swing blade 132 to rotate in conjunction.

[0170] Specifically, Fig. 20 As shown, the bracket 110 includes a fixing ring 113 and a guide vane support 114, an assembly space is formed in the fixing ring 113, the guide vane support 114 is arranged in the assembly space and defines an annular installation space 111 together with the fixing ring 113, a plurality of first holes 1141 arranged at intervals in the circumferential direction are formed on the guide vane support 114, a rotating shaft 121 is provided on each guide vane 120, the rotating shaft 121 protrudes from the guide vane 120 in the extension direction of the guide vane 120, one end of the rotating shaft 121 close to the guide vane support 114 is rotatably inserted in the first hole 1141, a plurality of second holes 1131 arranged at intervals in the circumferential direction are provided on the fixing ring 113, one end of the rotating shaft 121 close to the fixing ring 113 is rotatably inserted in the second hole 1131, and the guide vane 120 can be rotatably connected to the bracket 110 through the rotating shaft 121.

[0171] Further integration Fig. 20 and Fig.23 The drive ring 140 is sleeved on the radial outer side of the fixed ring 113. A plurality of guide ribs 1134 extending along the axial direction of the fixed ring 113 are arranged on the outer peripheral wall of the fixed ring 113. The guide ribs 1134 bulge from the fixed ring 113 to the drive ring 140 in the radial direction. The plurality of guide ribs 1134 are arranged at intervals in the circumferential direction of the fixed ring 113. The guide ribs 1134 extend from the air inlet end of the fixed ring 113 to the air outlet end of the fixed ring 113, and one end of the guide rib 1134 close to the air outlet end of the fixed ring 113 is arranged at intervals with the air outlet end of the fixed ring 113.

[0172] Combined with Fig. 20 、 Fig.21 and Fig.23 On the side of the drive ring 140 opposite to the fixed ring 113, a plurality of guide grooves 144 extending along the axial direction of the drive ring 140 are arranged. The guide grooves 144 are recessed away from the fixed ring 113 in the radial direction. The plurality of guide grooves 144 are arranged at intervals in the circumferential direction of the drive ring 140 and are arranged in one-to-one correspondence with the guide ribs 1134. The guide grooves 144 extend from the air inlet end of the drive ring 140 to the air outlet end of the drive ring 140. The guide ribs 1134 can be inserted into the guide grooves 144 so that the guide ribs 1134 and the guide grooves 144 are in sliding fit in the axial direction, so that the drive ring 140 can slide relative to the fixed ring 113 in the axial direction.

[0173] Further referring to Fig. 22 One end of the guide vane 120 close to the fixed ring 113 is provided with a guide vane arm 122. The guide vane arm 122 is adjacent to and arranged at intervals with the rotating shaft 121. A plurality of sliding grooves 1135 arranged at intervals in the circumferential direction are provided on the fixed ring 113. A plurality of pressing grooves 145 arranged at intervals in the circumferential direction are provided on the drive ring 140. The pressing grooves 145 are used to drive the guide vane 120 to rotate within the design range. The pressing grooves 145 and the sliding grooves 1135 are arranged in one-to-one correspondence. The guide vane arm 122 passes through the sliding groove 1135 and the pressing groove 145 at the same time. When the drive ring 140 moves relative to the fixed ring 113 in the axial direction, the groove wall of the pressing groove 145 presses against the guide vane arm 122 to drive the guide vane arm 122 to move in the sliding groove 1135. At this time, the rotating shaft 121 rotates relative to the fixed ring 113 and the guide vane support 114 to ensure that the guide vane arm 122 can move in the sliding groove 1135. At the same time, the rotating shaft 121 drives the guide vane 120 to rotate relative to the fixed ring 113 and the guide vane support 114 to switch between the first state and the second state.

[0174] It can be understood that the sliding groove 1135 is configured as an arc-shaped groove adapted to the movement track of the guide vane arm 122, and the sliding groove 1135 can limit the moving range of the guide vane arm 122, thereby defining the rotation angle of the guide vane 120. By designing the size of the sliding groove 1135, it is ensured that the guide vane arm 122 can move within the designed range, so as to ensure that the guide vane 120 can rotate within the designed range. Specifically, the sizes of the sliding groove 1135 and the pressing groove 145 can be designed according to the rotation range requirements of the actual guide vane 120, and no specific limitation is made here.

[0175] In addition, combined with Figure 20 to Figure 23 , a driving seat 1330 is provided at the air inlet end of the swinging blade 132. A driving rod 1329 is provided on one side of the driving seat 1330 away from the central axis of the air duct adjusting member 130. The driving rod 1329 is rotatably connected to the driving seat 1330. A plurality of swinging blade mounting portions 1136 arranged at intervals in the circumferential direction are provided at the air outlet end of the fixed ring 113. The driving seat 1330 is rotatably connected to the swinging blade mounting portion 1136, and the axis of rotation 121 line between the driving rod 1329 and the driving seat 1330 is parallel to the axis of rotation 121 line of the driving seat 1330 and the swinging blade mounting portion 1136.

[0176] Furthermore, a driving rod mounting seat 146 is provided on the driving ring 140. The driving rod mounting seat 146 is arranged on the outer wall surface of the driving ring 140 and is spaced from the air outlet end of the driving ring 140. One end of the driving rod 1329 away from the swinging blade 132 is rotatably connected to the driving rod mounting seat 146. When the driving ring 140 moves axially relative to the fixed ring 113, the driving seat 1330 drives the driving rod 1329 to move axially. The driving rod 1329 can drive the driving seat 1330 to rotate relative to the swinging blade mounting portion 1136 in a pushing and pulling manner, and the driving seat 1330 further drives the swinging blade 132 to rotate relative to the fixed ring 113, so that the air outlet end of the swinging blade 132 moves in a direction approaching or away from the central axis of the air duct adjusting member 130, thereby adjusting the area of the air outlet 131 of the air duct adjusting member 130 and realizing the switching of the air duct adjusting member 130 between the air gathering state and the air dispersing state.

[0177] When the driving ring 140 moves axially relative to the fixed ring 113 and the pressing groove 145 drives the guide vane arm 122 to move, the driving ring 140 simultaneously drives the driving rod 1329 to move, and the driving rod 1329 drives the swinging blade 132 to rotate, so as to realize the linkage between the guide vane 120 and the swinging blade 132.

[0178] Specifically, when the driving ring 140 moves axially away from the air outlet end of the fixed ring 113, the driving ring 140 drives the driving rod 1329 to move axially away from the air outlet end of the fixed ring 113. The driving rod 1329 drives the driving seat 1330 to rotate relative to the swing blade mounting portion 1136. The driving seat 1330 drives the swing blade 132 to rotate and makes the air outlet end of the swing blade 132 move in a direction away from the central axis of the air duct adjusting member 130. The air outlet end of the swing blade 132 rotates to the maximum distance from the central axis of the air duct adjusting member 130. At this time, the area of the air outlet 131 of the air duct adjusting member 130 is the largest, and the air duct adjusting member 130 is in a diffusing state. At the same time, the pressing groove 145 drives the air outlet end of the guide vane 120 to rotate towards the inner peripheral wall 112 of the installation space 111 through the guide vane arm 122, so that the guide vane 120 can rotate to the first state, realizing the diffusing mode of the air type regulating mechanism 100.

[0179] When the driving ring 140 moves axially towards the air outlet end of the fixed ring 113, the driving ring 140 drives the driving rod 1329 to move axially towards the air outlet end of the fixed ring 113. The driving rod 1329 drives the driving seat 1330 to rotate relative to the swing blade mounting portion 1136. The driving seat 1330 drives the swing blade 132 to rotate and makes the air outlet end of the swing blade 132 move in a direction close to the central axis of the air duct adjusting member 130. The air outlet end of the swing blade 132 rotates to the minimum distance from the central axis of the air duct adjusting member 130. At this time, the area of the air outlet 131 of the air duct adjusting member 130 is the smallest, and the air duct adjusting member 130 is in a wind concentrating state. At the same time, the pressing groove 145 drives the air outlet end of the guide vane 120 to rotate towards the direction close to the inner peripheral wall 112 of the installation space 111 through the guide vane arm 122, so that the guide vane 120 can rotate to the second state, realizing the wind concentrating mode of the air type regulating mechanism 100.

[0180] Combined with Fig.26 and Fig.29 In a further embodiment of the present invention, a limiting block 1441 is provided on one side of the guiding groove 144 close to the air outlet end of the driving ring 140. The limiting block 1441 can be in limiting cooperation with the guiding rib 1134 to limit the maximum movement distance of the driving ring 140 in the axial direction.

[0181] In some embodiments of the present invention, combined with Figure 7 and Fig.12, a connecting plate 123 may be provided at the end of the guide vane 120 opposite to the guide vane support 114 and the fixed ring 113. The rotating shaft 121 may be configured as two shaft segments, with one shaft segment provided on each connecting plate 123. And the connecting plate 123 may be used to arrange the rotating shaft 121. Meanwhile, a guide vane arm 122 may also be provided on the connecting plate 123 opposite to the fixed ring 113 to facilitate the arrangement of the guide vane arm 122 and the rotating shaft 121. At the same time, the connecting plate 123 may abut against the guide vane support 114 and the fixed ring 113 respectively, which is beneficial to improving the stability of the guide vane 120 during rotation.

[0182] Optionally, in combination with Figure 8 and Fig.23 , the rotating shaft 121 and the guide vane arm 122 may be directly arranged on the guide vane 120 without setting the connecting plate 123, which is beneficial to simplifying the structure of the guide vane 120 and reducing the production cost of the guide vane 120. Of course, it can be understood that the arrangement manner between the guide vane arm 122 and the rotating shaft 121 and the guide vane 120 can be determined during actual production and processing, and no specific limitation is made here.

[0183] In combination with Fig. 9 and Fig. 20 , in some embodiments of the present invention, the guide vane support 114 includes a guide vane support body 1142 and a guide vane support cover 1143. The guide vane support body 1142 and the guide vane support cover 1143 are snap-fitted together to facilitate the processing and assembly of the guide vane support 114. A plurality of arc-shaped groove structures arranged at intervals in the circumferential direction are formed on the sides of the guide vane support body 1142 and the guide vane support cover 1143 facing each other. When the guide vane support body 1142 and the guide vane support cover 1143 are snap-fitted together, the arc-shaped groove structures facing each other form a first hole 1141.

[0184] Optionally, the guide vane support 114 may be connected to the fixed ring 113 through a plurality of connecting ribs 115 arranged in the circumferential direction of the guide vane support 114 to improve the connection reliability between the guide vane support 114 and the fixed ring 113; the guide vane support 114 may also be connected to the fixed ring 113 through the guide vane 120 to simplify the structure of the air type control mechanism 100 and reduce the production cost of the air type control mechanism 100.

[0185] In some embodiments of the present invention, the air type control mechanism 100 further includes a driving device 150. The driving device 150 is in transmission connection with the driving ring 140 to drive the driving ring 140 to move. The driving device 150 can realize the automatic adjustment or manual adjustment of the air type control mechanism 100.

[0186] Specifically, in combination with Fig.17 and Fig.25, when the wind type control mechanism 100 is manually driven, the driving device 150 can be configured as a toggle rod 148. The toggle rod 148 is arranged on the driving ring 140 and extends in the radial direction away from the central axis of the driving ring 140. The user can manually drive the toggle rod 148 to make the driving ring 140 move relative to the bracket 110. Among them, referring to Fig.17 , when the driving ring 140 is configured to rotate relative to the bracket 110, the user can drive the toggle rod 148 to rotate in the circumferential direction to realize the rotation of the driving ring 140 relative to the bracket 110; referring to Fig.25 , when the driving ring 140 is configured to move axially relative to the bracket 110, the user can drive the toggle rod 148 to move axially to realize the axial movement of the driving ring 140 relative to the bracket 110.

[0187] When the wind type control mechanism 100 is automatically adjusted, a driving part 147 is arranged on the driving ring 140. The driving device 150 can be a driving motor, and the output end of the driving motor is connected to the driving part 147 to drive the driving ring 140 to move.

[0188] Referring to Fig.15 , when the driving ring 140 rotates relative to the bracket 110, the output end of the driving motor can be configured as a crank 151, and the driving part 147 can be configured as a boss structure. The crank 151 is connected to the boss structure. At this time, the driving ring 140 can be used as a rocker in the four-bar mechanism, and a crank-rocker mechanism is formed between the output end of the driving motor and the driving ring 140. When the driving motor works, the crank 151 drives the driving ring 140 to perform a small-distance reciprocating rotational motion through the driving part 147, so that the driving ring 140 can rotate relative to the bracket 110.

[0189] Optionally, as Fig.16 shown, the driving motor can be configured as a stepping motor. A driving gear 152 is arranged at the output end of the driving motor. The driving part 147 is configured as a mating gear, and the driving gear 152 can be meshed with the mating gear. When the driving motor works, the driving gear 152 drives the mating gear to rotate to drive the driving ring 140 to rotate, and the stepping motor rotates reciprocally to drive the driving ring 140 to perform a reciprocating rotation.

[0190] Referring to Fig.24 , when the driving ring 140 moves axially relative to the bracket 110, the output end of the driving motor can be configured as a connecting rod 153. The connecting rod 153 is connected to the driving part 147, and a crank-slider mechanism is formed between the output end of the driving motor and the driving ring 140. The driving ring 140 serves as a slider. When the driving motor works, the output end of the driving motor drives the driving ring 140 to perform a small-distance reciprocating motion axially through the driving part 147.

[0191] Optionally, in combination with Figure 25 to Figure 28 Moreover, the air volume regulating mechanism 100 may further be provided with a guiding ring 160. The guiding ring 160 is arranged at the air inlet end of the driving ring 140. A connecting protrusion 149 is arranged at the air inlet end of the driving ring 140. The connecting protrusion 149 can be embedded in the guiding ring 160 so that the guiding ring 160 is connected to the driving ring 140. And the guiding ring 160 can rotate relative to the driving ring 140. Internal threads 162 can be arranged on the inner side of the guiding ring 160. External threads can be arranged on the fixing ring 113. The guiding ring 160 is in threaded connection with the fixing ring 113. An engaging portion 161 extending along the circumferential direction of the guiding ring 160 is formed on the outer wall surface of the guiding ring 160. A driving gear 152 is arranged at the output end of the driving motor. The driving gear 152 can be engaged and cooperate with the engaging portion 161. When the driving motor works, the driving gear 152 can drive the guiding ring 160 to rotate through the engaging portion 161. And when the guiding ring 160 rotates, the guiding ring 160 simultaneously moves axially relative to the fixing ring 113, so as to drive the driving ring 140 to move axially relative to the bracket 110. Wherein, the driving motor is configured as a stepping motor. By setting the rotation direction and rotation angle of the output end of the stepping motor, the guiding ring 160 is driven to perform a reciprocating motion, so as to drive the driving ring 140 to perform a small-distance reciprocating motion in the axial direction.

[0192] It should be noted that the above description of the driving manner of the air volume regulating mechanism 100 is only some embodiments of the present invention regarding the linkage driving of the guide vanes 120 and the air duct adjusting member 130. The guide vanes 120 and the air duct adjusting member 130 can also be driven separately. The specific driving manner can be determined during actual production and processing, and is not specifically limited herein.

[0193] Combined with Figure 2 and Figure 4 In some embodiments of the present invention, in the circumferential direction of the bracket 110, there is an overlapping area between adjacent swing blades 132.

[0194] Specifically, the inner ends of the plurality of swing blades 132 are sequentially arranged at intervals in the circumferential direction, and a part of the adjacent swing blades 132 can be overlapped. For example, the swing blades 132 may include a first swing blade 1321, a second swing blade 1322 and a third swing blade 1323, and the first swing blade 1321, the second swing blade 1322 and the third swing blade 1323 are arranged adjacent to each other in sequence. In the arrangement direction of the plurality of swing blades 132, one side of the first swing blade 1321 can overlap on the second swing blade 1322, and the side of the second swing blade 1322 away from the first swing blade 1321 can overlap on the third swing blade 1323, so as to realize that there is an overlapping area between adjacent swing blades 132, so as to prevent air leakage of the air duct adjusting member 130 due to the gap between adjacent swing blades 132, and ensure the air outlet effect of the air volume regulating mechanism 100.

[0195] Referring to Fig.16 In some specific embodiments, there are 7 swing blades 132, and the width dimension of the swing blade 132 is H3, where 80 mm ≤ H3 ≤ 100 mm, so as to ensure that there is an overlapping area between adjacent swing blades 132. It can be understood that the setting of the number of swing blades 132 and the size setting of the overlapping area between adjacent swing blades 132 can be determined according to the size of the air flow pattern regulating mechanism 100, and no specific limitation is made here.

[0196] Among them, the "width dimension of the swing blade 132" refers to the maximum distance between two adjacent side wall surfaces located between the air outlet end and the air inlet end of the swing blade 132.

[0197] Combined with Figure 3 and Figure 4 In some embodiments of the present invention, in the air gathering state, the cross-sectional area of the air duct adjusting member 130 gradually decreases in the direction towards the air outlet 131; and / or in the air dispersing state, the cross-sectional area of the air duct adjusting member 130 gradually increases in the direction towards the air outlet 131.

[0198] Specifically, in the air gathering state, in the direction of extending from the guide vane 120 to the air duct adjusting member 130 along the axial direction, the distance between the inner wall of the air duct adjusting member 130 and its central axis gradually decreases, that is, the air duct adjusting member 130 gradually contracts and approaches its central axis, so as to guide the air flow to gradually concentrate, which is beneficial to increasing the flow distance of the air flow in the air outlet direction, and can enhance the intensity of the air flow, making the air flow stronger when flowing out from the air flow pattern regulating mechanism 100.

[0199] It should be noted that the "inner wall" refers to the side wall surface of the air duct adjusting member 130 on the side close to its central axis in the radial direction.

[0200] Combined with Figure 1 and Figure 2 In the air dispersing state, in the direction of extending from the guide vane 120 to the air duct adjusting member 130 along the axial direction, the distance between the inner wall of the air duct adjusting member 130 and its central axis gradually increases, that is, the cross-sectional area of the air duct adjusting member 130 gradually increases, so as to guide the air flow to gradually diverge, increase the flow range of the air flow in the radial direction, and reduce the intensity of the air flow, making the air flow softer when flowing out from the air flow pattern regulating mechanism 100.

[0201] Or, in the air gathering state, in the direction of extending from the guide vane 120 to the air duct adjusting member 130 along the axial direction, the distance between the inner wall of the air duct adjusting member 130 and its central axis gradually decreases, and in the air dispersing state, in the direction of extending from the guide vane 120 to the air duct adjusting member 130 along the axial direction, the distance between the inner wall of the air duct adjusting member 130 and its central axis remains constant.

[0202] Or, in the wind gathering state, the distance between the inner wall of the air duct adjustment member 130 and the central axis thereof in the direction extending from the guide vane 120 to the air duct adjustment member 130 along the axial direction remains constant, and in the wind dispersing state, the distance between the inner wall of the air duct adjustment member 130 and the central axis thereof in the direction extending from the guide vane 120 to the air duct adjustment member 130 along the axial direction gradually increases.

[0203] In some embodiments of the present invention, each swing blade 132 is formed as an arc-shaped plate.

[0204] Specifically, a plurality of pendulum blades 132 are arranged in sequence in the circumferential direction, and each pendulum blade 132 is formed as an arc-shaped plate, that is, in the radial direction, the inner wall of each pendulum blade 132 (that is, the side wall of the pendulum blade 132 close to the central axis of the air duct regulating member 130 in the radial direction) is arc-shaped and bulges away from the central axis of the air duct regulating member 130, so as to reduce the influence of the shape of the inner wall of the air duct regulating member 130 on the airflow, thereby achieving the purpose of reducing wind resistance and ensuring the flow effect of the airflow.

[0205] like Figure 6 As shown, in some embodiments of the present invention, a guide portion 133 is formed on one side of the swing blade 132 facing the central axis of the air duct adjustment member 130 , and the guide portion 133 extends along the circumferential direction of the air duct adjustment member 130 .

[0206] Specifically, one end of the pendulum blade 132 along the axial direction can be set to have a larger width, and the other end can have a smaller width. The end with the smaller width is defined as the inner end of the pendulum blade 132. The inner end of the pendulum blade 132 is rotatably connected to the bracket 110, and the end with the larger width is defined as a free end. A guide portion 133 is provided on the pendulum blade 132. The guide portion 133 is set to protrude toward one side of the central axis of the bracket 110 along the axial direction. The distance between the pendulum blade 132 at the guide portion 133 and the central axis of the air duct regulating member 130 is smaller than the distance between the pendulum blade 132 and the central axis of the air duct regulating member 130 at other positions.

[0207] Furthermore, when the air flow flows into the air duct adjusting member 130, the circumferential component of the air flow will be gathered toward the direction close to the central axis of the air duct adjusting member 130 under the action of the guide portion 133 when it flows into the air duct adjusting member 130. When the axial component of the air flow is low, part of the air flow flowing along the circumferential direction will converge along the axial direction, so that the air flow flowing out of the air duct adjusting member 130 is more concentrated and stronger.

[0208] like Figure 3As shown, in some embodiments of the present invention, the plurality of swing blades 132 include a main swing blade 1324 and a slave swing blade 1325, and the main swing blade 1324 is at least partially overlapped with the slave swing blade 1325. The main swing blade 1324 is suitable for driving the slave swing blade 1325 to rotate relative to the bracket 110 through the overlapping area, so that the area of ​​the air outlet 131 of the air duct adjustment member 130 is adjustable.

[0209] Specifically, the main swing blade 1324 can be connected to the driving ring 140 for transmission. The driving ring 140 drives the main swing blade 1324 to rotate relative to the bracket 110 to achieve the outward opening and inward contraction of the main swing blade 1324. The main swing blade 1324 drives the slave swing blade 1325 to rotate relative to the bracket 110 through the overlapping area to achieve the outward opening and inward contraction of the slave swing blade 1325, thereby adjusting the area of ​​the air outlet 131 of the air duct adjustment member 130, so that the air outlet range of the wind type control mechanism 100 is different, thereby meeting the different usage requirements of users.

[0210] Combination Fig.15 and Fig.33 In some embodiments of the present invention, in the wind gathering state, the contraction angle of the swing blade 132 is less than or equal to 45°, and in the wind dispersing state, the expansion angle of the swing blade 132 is less than or equal to 45°.

[0211] Specifically, the angle between the axial direction of the swing blade 132 and the axial direction of the bracket 110 is a. When the swing blade 132 rotates and opens, the inner diameter of the air duct adjusting member 130 gradually increases. When the swing blade 132 rotates to the maximum position relative to the bracket 110, a≤45°. This satisfies the effect of pressurizing and decelerating when the inner diameter of the air duct adjusting member 130 gradually expands, so that the blown air is smooth and gentle, and can avoid the airflow being under excessive pressure due to an excessively large angle a and being unable to flow through the air duct adjusting member 130, thereby preventing the airflow from losing its dynamic properties.

[0212] Furthermore, when the swing blade 132 rotates and contracts, the inner diameter of the air duct adjustment member 130 gradually decreases. When the swing blade 132 rotates to the minimum position relative to the bracket 110, at this time, a≤45°, which can meet the effect of reducing pressure and increasing speed when the air duct adjustment member 130 gradually contracts, so that the blown wind is strong and concentrated, which can be used for rapid cooling. At the same time, it can avoid the inner diameter of the air duct adjustment member 130 being too small due to the angle a being too large, thereby avoiding the resistance in the air duct adjustment member 130 to rise sharply, the static pressure to drop sharply, and the airflow cannot flow through the air duct adjustment member 130. Therefore, through the above design, the use function of the wind type control mechanism 100 can be improved to meet the different use needs of users.

[0213] like Figure 4As described above, in some embodiments of the present invention, the length of the air duct adjusting member 130 is H1, and in the direction parallel to the first central axis, the thickness of the guide vane 120 is H2, where H1 > H2.

[0214] It should be noted that the "width H1 of the air duct adjusting member 130" refers to the distance between the air inlet end and the air outlet end of the air duct adjusting member 130. Similarly, the "thickness H2 of the guide vane 120" refers to the dimension of the guide vane 120 in the axial direction.

[0215] Specifically, the length of the air duct adjusting member 130 is greater than the dimension of the guide vane 120 in the axial direction, so that the flow distance of the air flow in the air duct adjusting member 130 is greater than the distance that the air flow passes through the guide vane 120, which is beneficial to improving the effect of the air duct adjusting member 130 on further guiding the air flow, and thus can improve the adjustment effect of the air flow type control mechanism 100 on the air flow.

[0216] In some embodiments of the present invention, H1 / H2 satisfies: H1 / H2 ≥ 4.

[0217] Specifically, by designing the dimensions of the guide vane 120 and the air duct adjusting member 130, making H1 / H2 ≥ 4 is beneficial to further improving the adjustment effect of the air flow type control mechanism 100 on the air flow and increasing the difference in the air outlet feeling.

[0218] Refer to Figure 4 , in some embodiments of the present invention, H1 ≥ 40 mm, 10 mm ≤ H2 ≤ 20 mm.

[0219] Specifically, by making H1 ≥ 40 mm, the flow distance of the air flow in the air duct adjusting member 130 can be ensured, and the adjustment effect of the air duct adjusting member 130 on the air flow can be improved, which is beneficial to improving the adjustment effect of the air flow type control mechanism 100 on the air flow. Preferably, H1 is 40 mm, so as to reduce the occupied space of the air duct adjusting member 130 while ensuring the adjustment effect of the air duct adjusting member 130 on the air flow, which is beneficial to reducing the occupied space of the air flow type control mechanism 100.

[0220] Among them, when H1 < 40 mm, the flow distance of the air flow in the air duct adjusting member 130 is short, the adjustment effect of the air duct adjusting member 130 on the air flow is poor, and it is easy to cause a small difference in the air outlet feeling, affecting the user experience.

[0221] Furthermore, by making 10 mm ≤ H2 ≤ 20 mm, it is beneficial to ensure the guiding effect of the guide vane 120 on the air flow, which is beneficial to improving the adjustment effect of the air flow type control mechanism 100 on the air flow. Preferably, H2 is 15 mm, so as to reduce the occupied space of the guide vane 120 while ensuring the adjustment effect of the guide vane 120 on the air flow, which is beneficial to reducing the occupied space of the air flow type control mechanism 100.

[0222] Among them, when H2 < 10 mm, the guiding effect of the guide vane 120 on the air flow is poor. When H2 > 20 mm, the required layout space for the guide vane 120 is too large, resulting in a large volume of the air flow regulation mechanism 100, which is not conducive to the miniaturization of the air flow regulation mechanism 100.

[0223] In addition, when H1 / H2 satisfies H1 / H2 ≥ 4, it is beneficial to further improve the adjustment effect of the air flow regulation mechanism 100 on the air flow and increase the difference in the air outlet feeling.

[0224] Refer to Figure 3 In some embodiments of the present invention, the width of the guide vane 120 is L1, and 2 mm ≤ L1 ≤ 5 mm.

[0225] It should be noted that the "width of the guide vane 120" refers to the distance between two adjacent side walls between the air inlet end and the air outlet end of the guide vane 120.

[0226] Specifically, 2 mm ≤ L1 ≤ 5 mm can meet the structural strength requirements of the guide vane 120, prevent the guide vane 120 from breaking due to torsion during rotation, and at the same time can reduce the space required for arranging the guide vane 120 and reduce the weight of the guide vane 120, which is beneficial to the lightweight design of the air flow regulation mechanism 100.

[0227] Combined with Fig.40 and Fig.41 According to the fan 1000 of the present invention, it includes: an air flow regulation mechanism 100 and a driving fan 300. The air flow regulation mechanism 100 is the above-mentioned air flow regulation mechanism 100, and the driving fan 300 is located on the air inlet side of the plurality of guide vanes 120.

[0228] It should be noted that the side of the plurality of guide vanes 120 away from the air duct regulating member 130 in the axial direction is defined as the air inlet side of the plurality of guide vanes 120.

[0229] Specifically, the air driven by the external driving fan 300 forms an air flow, and the air flow sequentially passes through the guide vane 120 and the air duct regulating member 130. The guide vane 120 and the air duct regulating member 130 guide the air flow, and the air flow flows out of the fan 1000 after flowing out of the air duct regulating member 130, realizing the air supply of the fan 1000.

[0230] Since the fan 1000 is provided with a wind type control mechanism 100, by providing a plurality of guide vanes 120 and enabling the plurality of guide vanes 120 to rotate relative to the bracket 110, so as to enable the guide vanes 120 to switch between a first state and a second state, thereby adjusting the rectifying effect of the guide vanes 120 on the air flow, and thus adjusting the intensity and the air outlet range when the air flow flows out. In addition, a duct adjusting member 130 is provided on the air outlet side of the plurality of guide vanes 120, and the air flow flowing through the plurality of guide vanes 120 flows into the duct adjusting member 130. The inner wall of the duct adjusting member 130 can guide the air flow, and the area of the air outlet 131 of the duct adjusting member 130 is adjustable, so as to enable the duct adjusting member 130 to switch between a wind gathering state and a wind dispersing state. The duct adjusting member 130 cooperates with the plurality of guide vanes 120 to further adjust the intensity and the air outlet range when the air flow flows out from the wind type control mechanism 100, improve the adjustment effect of the wind type control mechanism 100 on the air flow, and at the same time enable the fan 1000 to have different air outlet modes, improve the functionality of the fan 1000, and the user can adjust the working mode of the fan 1000 according to the actual use requirements to meet the use requirements of the user and improve the user experience.

[0231] In some embodiments of the present invention, the fan 1000 is provided with a housing 200, an air inlet area 210 and an air outlet area 220 are provided on the housing 200, and the wind type control mechanism 100 and the driving fan 300 can be provided inside the housing 200.

[0232] Specifically, the housing 200 is configured as a cylindrical structure forming a cavity. The housing 200 can be used as an installation carrier for the driving fan 300 and the wind type control mechanism 100. The driving fan 300 and the wind type control mechanism 100 can be installed inside the housing 200. The housing 200 can play a role in protecting the driving fan 300 and the wind type control mechanism 100, and avoid damage to the fan 1000 caused by external sundries entering the driving fan 300 or the wind type control mechanism 100.

[0233] Further, an air inlet area 210 is formed at the rear side of the housing 200, and the outside air enters the housing 200 through the air inlet area 210. An air outlet area 220 is formed at the front side of the housing 200. The air outlet area 220 can be configured as an opening formed at the front side of the housing 200. The driving fan 300 and the wind type control mechanism 100 can be installed inside the housing 200 through the air outlet area 220, so as to facilitate the assembly of the fan 1000. At the same time, the air flow flows out of the fan 1000 through the air outlet area 220 after flowing out of the duct adjusting member 130, realizing the air supply of the fan 1000.

[0234] Optionally, the driving fan 300 can be provided outside the housing 200. The specific arrangement manner of the driving fan 300 can be determined according to the actual installation requirements of the fan 1000, and no specific limitation is made here. Figures 17 to 19 and Figure 29 to Figure 31 In some embodiments of the present invention, when a toggle lever 148 is provided on the drive ring 140, a through hole 260 is provided on the housing 200, and the toggle lever 148 passes through the through hole 260 and can slide in the through hole 260.

[0235] Specifically, when the drive ring 140 rotates relative to the bracket 110, the through hole 260 is configured as an oblong hole extending in the circumferential direction of the housing 200, and the user can drive the toggle lever 148 to slide in the through hole 260, so as to realize driving the drive ring 140 to rotate relative to the bracket 110 through the toggle lever 148.

[0236] When the drive ring 140 moves axially relative to the bracket 110, the through hole 260 can be configured as an oblong hole extending in the axial direction on the housing 200, and the user can drive the toggle lever 148 to move axially in the through hole 260, so as to realize driving the drive ring 140 to rotate relative to the bracket 110 through the toggle lever 148.

[0237] In some embodiments of the present invention, a drive device support is further provided in the housing 200, and the drive device support is used for installing and supporting the drive device 150.

[0238] In some embodiments of the present invention, the air type regulating mechanism 100 is detachably connected to the housing 200.

[0239] Specifically, in combination with Fig.12 、 Fig.18 and Fig.19 , a plurality of bracket mounting seats 116 arranged at intervals in the circumferential direction are provided on the bracket 110, and a plurality of bracket fixing seats 230 arranged in the circumferential direction of the housing 200 are provided in the housing 200. When the air type regulating mechanism 100 is installed in the housing 200, the plurality of bracket mounting seats 116 and the bracket fixing seats 230 are arranged in one-to-one correspondence, and threaded holes are formed on both the bracket mounting seats 116 and the bracket fixing seats 230. A threaded connecting member can pass through the threaded holes and connect the bracket mounting seats 116 and the bracket fixing seats 230, so that the air type regulating mechanism 100 is connected to the housing 200, and the threaded connecting member can be detached from the threaded holes, thereby realizing the detachable connection between the air type regulating mechanism 100 and the housing 200, which is convenient for the disassembly, repair or replacement of the air type regulating mechanism 100.

[0240] Optionally, in combination with Figure 32 to Figure 34, a ball head 117 extending in the axial direction may be provided at the air inlet end of the bracket 110, and two ball heads 117 may be provided. The two ball heads 117 are spaced in the radial direction. A chute 240 may be provided on the housing 200. The ball head 117 of the bracket may be inserted into the chute 240 at a certain angle, and the bracket 110 and the housing 200 may be fixed by rotation. When it is necessary to disassemble the air pattern regulating mechanism 100 from the housing 200, it can be rotated in the reverse direction and the ball head 117 of the bracket can be pulled out of the chute 240.

[0241] Optionally, in combination with Figure 35 to Figure 36 , an external thread 118 may be provided at the air inlet end of the bracket 110, and an internal thread 250 may be formed on the inner side of the housing 200. The bracket 110 and the housing 200 may be detachably connected by means of a threaded connection, which is convenient for the disassembly and assembly of the air pattern regulating mechanism 100.

[0242] Optionally, in combination with Figure 37 to Figure 39 , a magnet seat 119 may be provided at the air inlet end of the bracket 110, and a mating magnet 270 may be provided on the inner side of the housing 200. The magnet seat 119 and the mating magnet 270 may be magnetically coupled to install the air pattern regulating mechanism 100 in the housing 200. The bracket 110 and the housing 200 are assembled by magnetic attraction, which is convenient for the disassembly and assembly of the air pattern regulating mechanism 100.

[0243] In some embodiments of the present invention, the driving fan 300 is an axial flow fan.

[0244] Specifically, the driving fan 300 is an axial flow fan, and the blades 310 of the driving fan 300 extend obliquely in the radial direction. When the plurality of blades 310 rotate, the air on the side of the blades 310 away from the guide vane 120 is driven to flow towards the guide vane 120 to form an air flow. When the air flow passes through the blades 310, the blades 310 can guide the air flow to form an oblique air flow. At this time, the air flow has a component velocity in the axial direction and a component velocity in the circumferential direction.

[0245] Furthermore, the guide vane 120 and the air duct adjusting member 130 can play a role in guiding the air flow. Among them, when the guide vane 120 is in the first state, the air duct adjusting member 130 is in the air-diffusing state. The interference of the guide vane 120 and the air duct adjusting member 130 on the air flow is small, and the air flow can still maintain a certain circumferential component velocity when flowing out of the air pattern regulating mechanism 100, so that the air flow flowing out of the air pattern regulating mechanism 100 diverges more gently in the radial direction.

[0246] When the guide vane 120 is in the second state, the air duct adjusting member 130 is in the air gathering state. At this time, the extending direction of the guide vane 120 is different from the flowing direction of the air flow. After the air flow impacts the guide vane 120, the guide vane 120 guides the air flow, and the circumferential component velocity of the air flow is converted into the axial component velocity. After flowing through the guide vane 120, the air flow further flows into the air duct adjusting member 130, and the air duct adjusting member 130 further regularizes the air flow flowing into it, so that the air flow flowing out of the air duct adjusting member 130 is more concentrated in the axial direction.

[0247] In some embodiments of the present invention, the cross-section of the guide vane 120 is formed as a curve, the curve is an Archimedean spiral, the bending direction of the curve is opposite to the rotation direction of the blades 310 of the driving fan 300, and the cross-section is perpendicular to the rotation center line of the driving fan 300.

[0248] Specifically, the rotation center line of the driving fan 300 is collinearly arranged with the central axis of the bracket 110. The cross-section of the guide vane 120 perpendicular to the rotation center line of the driving fan 300 is formed as an Archimedean spiral, and the bending direction of the curve (i.e., the rotation direction of the Archimedean spiral) is opposite to the rotation direction of the blades 310 of the driving fan 300. The rotation direction of the blades 310 of the driving fan 300 is the same as the direction of the circumferential component velocity of the air flow. Such a setting is beneficial to make the air flow flow through the guide vane 120 and contact the guide vane 120, and then the air flow can move along the wall surface of the guide vane 120 towards the central axis of the bracket 110, and the air flow can converge towards the central axis of the bracket 110, thereby being beneficial to increasing the axial component velocity of the air flow, reducing the air outlet area in the radial direction, and making the air outlet strong.

[0249] Combined Fig.12 and Fig.41 In some embodiments of the present invention, on the first projection plane, the orthographic projection of the installation space 111 covers the circle where the tips 311 of multiple blades 310 are located, and the first projection plane is perpendicular to the central axis of the bracket 110.

[0250] Specifically, multiple blades 310 are arranged in sequence along the axial direction. When the driving fan 300 works, it drives multiple blades 310 to rotate, and the blades 310 drive the surrounding air flow to flow during the rotation process, thereby forming an air flow with a certain flow velocity.

[0251] It should be noted that the "first projection plane" can be understood as the projection plane in the front-back direction or thickness direction of the fan 1000.

[0252] Further, the airflow generated by the rotation of the blades 310 can flow into the installation space 111. On the first projection plane, the outer edge of the orthographic projection of the installation space 111 can be disposed around the outer peripheral side of the circle where the tips 311 of the plurality of blades 310 are located, or the orthographic projection of the bracket 110 just coincides with the above-mentioned circle, which is conducive to making all the airflow generated by the blades 310 blow into the installation space 111, thereby facilitating ensuring that all the airflow generated by the blades 310 flows through the guide vanes 120, preventing the airflow from diverging inside the fan 1000, and effectively concentrating the airflow.

[0253] It should be noted that in the radial direction, the position where the blade 310 is farthest from the hub of the driving fan 300 is defined as the tip 311 of the blade 310.

[0254] In the present application, "on the first projection plane, the orthographic projection of the installation space 111 covers the circle where the tips 311 of the plurality of blades 310 are located" may mean that the outer edge of the orthographic projection of the installation space 111 just coincides with the above-mentioned circle, or may mean that the outer edge of the orthographic projection of the installation space 111 is located outside the above-mentioned circle (i.e., the above-mentioned circle falls within the orthographic projection of the installation space 111).

[0255] As Fig.41 shown, in some embodiments of the present invention, a part of the blade 310 of the driving fan 300 extends into the installation space 111.

[0256] Specifically, the dimension of the installation space 111 in the radial direction can be greater than the radial dimension of the circle where the tips 311 of the plurality of blades 310 are located, and a part of the blade 310 extends into the installation space 111. The blade 310 rotates in the installation space 111 to generate airflow, and the inner wall surface of the bracket 110 can guide the airflow into the installation space 111, and the inner wall surface of the bracket 110 can restrict the flow of the airflow, preventing the airflow from diverging before flowing into the installation space 111 and ensuring the flow efficiency of the airflow.

[0257] It can be understood that the end of the blade 310 in the axial direction can be disposed in the installation space 111, or the entire blade 310 can be disposed in the installation space 111. The specific arrangement manner of the blade 310 can be determined according to the overall dimensions of the fan 1000, the blade 310, and the bracket 110, and no specific limitation is made here.

[0258] As Fig.41 shown, in some embodiments of the present invention, in the direction parallel to the first central axis, the distance between the blade 310 of the driving fan 300 and the air inlet end of the guide vane 120 is L2, and 7 mm ≤ L2 ≤ 15 mm.

[0259] Specifically, 7 mm ≤ L2 ≤ 15 mm is provided to facilitate the flow of the air current formed by the rotation of the blade 310 towards the guide vane 120. This can prevent the risk of interference due to an overly small distance between the blade 310 and the guide vane 120, and can avoid the divergence of the air current in the housing 200 due to an overly large distance between the blade 310 and the guide vane 120, ensuring the effect of air current flow, the air outlet feeling, and enabling the structure of the fan 1000 to be compact, reducing the size of the fan 1000 in the axial direction. Preferably, L2 is 10 mm.

[0260] Referring to Fig.41 , in some embodiments of the present invention, on the first projection plane, the diameter of the circle where the tips 311 of the multiple blades 310 are located is D, and the dimension of the blade 310 in the direction parallel to the central axis of the driving fan 300 is defined as the height dimension H4 of the blade 310. Among them, D = 180 mm and H4 = 80 mm, so as to improve the ability of the blade 310 to drive the air current, improve the flow efficiency and intensity of the air current, and thus improve the air outlet feeling of the fan 1000.

[0261] Through the simulation analysis of the air pattern regulation mechanism 100 of the present application, as Figure 5 shown, at the standard test distance, the blowing range of the fan 1000 in the air dispersion mode is greater than that in the air concentration mode, and the average wind speed within the blowing range of the fan 1000 in the air dispersion mode is less than that in the air concentration mode, and the air outlet of the fan 1000 is gentle.

[0262] The blowing range of the fan 1000 in the air concentration mode is less than that in the air dispersion mode, and the average wind speed within the blowing range of the fan 1000 in the air concentration mode is greater than that in the air dispersion mode, and the air outlet of the fan 1000 is strong.

[0263] It should be noted that the "blowing range" refers to the area where the wind speed of the fan 1000 is greater than the calibrated wind speed (such as 0.4 m / s), and the "standard test distance" is three times the diameter of the circle where the multiple tips 311 are located. It can be understood that when conducting simulation analysis and test comparison on the fan 1000, it is not limited to measuring at the above "standard test distance", as long as the fan 1000 is measured at the same position.

[0264] Combined with Fig.40 and Fig.41 , in some embodiments of the present invention, the fan 1000 further includes an air outlet grille 400, and the air outlet grille 400 is provided in the air outlet area 220 of the fan 1000.

[0265] Specifically, the air outlet grille 400 is installed on the housing 200. The air outlet 131 of the air duct adjusting member 130 is directly opposite to the air outlet grille 400 and is located in the air outlet area 220. A mesh structure is formed on the air outlet grille 400, and the air flow can be discharged through the mesh structure. At the same time, the air outlet grille 400 can block the internal structure of the fan 1000, preventing the blades 310 from breaking and flying out through the open end during the operation of the fan 1000 and causing harm to the user. At the same time, it can prevent the user from being injured due to accidental contact with the blades 310, improving the safety of the fan 1000. And the air outlet grille 400 can also reduce the accumulation of dust and other debris inside the fan 1000.

[0266] As Fig.42 shown, in some embodiments of the present invention, the air outlet grille 400 includes an intermediate area 410 and an outer ring area 420. The air guiding rib 430 in the intermediate area 410 is formed into an arc-shaped rib 431, and the air guiding rib 430 in the outer ring area 420 is formed into a straight rib 432.

[0267] Specifically, the intermediate area 410 and the outer ring area 420 are constructed in a ring shape, and the intermediate area 410 and the outer ring area 420 are coaxially arranged. The outer ring area 420 is sleeved outside the intermediate area 410 to realize the partition design of the air outlet grille 400, which is not only beautiful but also can realize the visualization of the air outlet area 220.

[0268] Furthermore, since the area of the air outlet 131 of the air duct adjusting member 130 is different in the air-diffusing state and the air-concentrating state, the air outlet area 220 corresponding to the air outlet 131 of the air duct adjusting member 130 when the fan 1000 is in the air-diffusing mode is different from the air outlet area 220 corresponding to the fan 1000 when it is in the air-concentrating mode. When the air duct adjusting member 130 is in the air-concentrating state, the air outlet 131 is directly opposite to the intermediate area 410. At the same time, the intermediate area 410 is opposite to the guide vane 120. The intermediate area 410 of the air outlet grille 400 can further rectify the air flow, further increasing the axial component velocity of the air flow. When the air duct adjusting member 130 is in the air-diffusing state, the air outlet 131 is directly opposite to both the outer ring area 420 and the intermediate area 410.

[0269] Furthermore, the air guiding rib 430 in the intermediate area 410 is formed into an arc-shaped rib 431, and the air guiding rib 430 in the outer ring area 420 is formed into a straight rib 432. The arc-shaped rib 431 can be designed using the Archimedes spiral principle. A plurality of arc-shaped ribs 431 are evenly spaced in the circumferential direction, and the bulging directions of the arc-shaped ribs 431 are the same. The arc-shaped ribs 431 can effectively reduce the resistance generated by the air guiding rib 430 to the air flow, thereby effectively reducing the resistance of the air outlet grille 400 to the air flow.

[0270] When the fan 1000 is in the air-gathering mode, the air outlet 131 is disposed opposite to the middle area 410. After the air flow flows out from the air outlet 131, it flows towards the middle area 410. The arc-shaped rib 431 can play a role in rectifying the air flow to convert the circumferential component velocity of the air flow into the axial component velocity, thereby ensuring the air-gathering effect of the air flow and making the air output of the fan 1000 stronger.

[0271] Further, straight ribs 432 extending in the radial direction are disposed in the outer ring area 420, and a plurality of straight ribs 432 are uniformly spaced along the axial direction. When the fan 1000 is in the air-diffusing mode, the air outlet 131 is disposed opposite to both the outer ring area 420 and the middle area 410 at the same time. The air flow flows out from the air outlet 131 and flows towards the outer ring area 420 and the middle area 410. The straight ribs 432 can maintain the circumferential component velocity of the air flow, thereby ensuring the flow area of the air flow in the radial direction and ensuring the air output area of the fan 1000 in the radial direction.

[0272] In some embodiments of the present invention, in the direction away from the first central axis, the air outlet end of the straight rib 432 extends obliquely outward in the direction away from the rotation center line of the driving fan 300.

[0273] It should be noted that, in the extending direction of the straight rib 432, the end of the straight rib 432 away from the bracket 110 is defined as the air outlet end of the straight rib 432, and the end of the straight rib 432 close to the bracket 110 is defined as the air inlet end of the straight rib 432.

[0274] Specifically, in the radial direction of the air outlet area 220, the distance between the air inlet end of the straight rib 432 and the rotation center of the driving fan 300 is the smallest, and the distance between the air outlet end of the straight rib 432 and the rotation center of that fan is the largest, so as to realize that the straight rib 432 is arranged at an angle with the rotation center line of the driving fan 300. The straight rib 432 generates a small resistance to the air flow and maintains the circumferential component velocity of the air flow, which is beneficial to ensuring the air output area of the fan 1000 in the radial direction.

[0275] In some embodiments of the present invention, the value range of the inclination angle of the straight rib 432 relative to the rotation center line is 20°-40°.

[0276] Specifically, the value range of the inclination angle of the straight rib 432 with the rotation center line is 20°-40°. Such a setting can further ensure that the straight rib 432 generates a small resistance to the air flow and maintains the circumferential component velocity of the air flow, which is beneficial to ensuring the air output area of the fan 1000 in the radial direction.

[0277] In some embodiments of the present invention, when the air duct adjusting member 130 is in the air-diffusing state, in the direction towards the air outlet 131, the longitudinal section of the air duct adjusting member 130 extends obliquely outwards in the direction away from the rotation center line of the driving fan 300.

[0278] Specifically, when the air duct adjusting member 130 is in the air-diffusing state, in the direction towards the air outlet 131, the radial distance between the inner wall of the air duct adjusting member 130 and the rotation center line of the driving fan 300 gradually increases. Among them, the radial distance between the inner wall of the air duct adjusting member 130 on the side close to the driving fan 300 and the rotation center line of the driving fan 300 is the smallest, and the radial distance between the inner wall of the air duct adjusting member 130 on the side far from the driving fan 300 and the rotation center line of the driving fan 300 is the largest. When the air duct adjusting member 130 is in the air-diffusing state, the air outlet angle can be substantially parallel to the straight rib 432 to reduce the air outlet resistance and maintain the circumferential component velocity of the air flow.

[0279] In some embodiments of the present invention, the air outlet grille 400 is detachably provided on the housing 200.

[0280] Specifically, the air outlet grille 400 can be snap-fitted with the housing 200 to block the open end and prevent the fan 1000 from causing mechanical damage to the user. And the air outlet grille 400 is detachably connected to the housing 200. When the fan 1000 fails, the air outlet grille 400 can be detached from the housing 200 to facilitate the maintenance of the air flow control mechanism 100 and improve the maintenance convenience of the fan 1000.

[0281] Among them, the air outlet grille 400 can be detachably connected to the housing 200 by means of threaded connection or snap connection, etc. The specific connection method between the air outlet grille 400 and the housing 200 is not specifically limited herein, as long as it is ensured that the air outlet grille 400 is detachably connected to the housing 200.

[0282] In some other embodiments of the present invention, the bracket 110 can directly serve as the housing of the fan 1000, and the air inlet area 210 and the air outlet area 220 can be formed on the bracket 110. And in this case, the air outlet grille 400 is arranged on the bracket 110 and is detachably connected to the bracket 110.

[0283] In some embodiments of the present invention, a rear grille is provided at the rear side of the fan 1000, and the air inlet area 210 can be formed on the rear grille. External air can flow into the fan 1000 through the rear grille. The driving fan 300 can drive the blades 310 to rotate so that the air flowing into the fan 1000 forms an air flow and blows out. And the air flow can flow through the air flow control mechanism 100, and the air flow control mechanism 100 can make the air flow diverge or converge. Then the air flow flows out of the fan 1000 through the air outlet grille 400.

[0284] The control method of the fan 1000 according to the present invention, the fan 1000 is the above-mentioned fan 1000, and the control method includes the following steps:

[0285] S10. When receiving the air-gathering instruction, control the inner wall of the air duct adjusting member 130 to deflect towards the first central axis and control the guide vane 120 to deflect towards the first central axis to gather the air flow towards the first central axis for air gathering.

[0286] Specifically, a control component can be provided on the fan 1000 to control the deflection of the air duct adjusting member 130 and the guide vane 120. When the user needs the air outlet feeling of the fan 1000 to be strong, the control component can control the air outlet end of the air duct adjusting member 130 to deflect towards the direction close to the first central axis according to the received air-gathering instruction, and at the same time control the guide vane 120 to deflect towards the direction gradually parallel to the first central axis, so that the air duct adjusting member 130 and the guide vane 120 can simultaneously converge the air flow, the air flow gathers towards the direction close to the first central axis, and the air feeling is strong when the air flow flows out of the fan 1000, realizing the air-gathering function of the fan 1000.

[0287] S20. When receiving the air-diffusing instruction, control the inner wall of the air duct adjusting member 130 to deflect away from the first central axis and control the guide vane 120 to deflect away from the first central axis to diffuse the air flow towards the direction away from the first central axis for air diffusion

[0288] Specifically, when the user needs the air outlet feeling of the fan 1000 to be soft, the control component can control the air outlet end of the air duct adjusting member 130 to deflect away from the first central axis according to the received air-diffusing instruction, and at the same time control the air outlet end of the guide vane 120 to gradually deflect away from the direction parallel to the first central axis, so that the air duct adjusting member 130 and the guide vane 120 can achieve the effect of diffusing the air flow, the air flow diffuses towards the direction away from the first central axis, and the air outlet of the fan 1000 is soft, realizing the air-diffusing function of the fan 1000.

[0289] According to the control method of the fan 1000 of the present invention, by controlling the rotation of the air duct adjusting member 130 and the guide vane 120 to adjust the working state of the air type regulating mechanism 100, and the air duct adjusting member 130 cooperates with a plurality of guide vanes 120 to further adjust the intensity and the air outlet range when the air flow flows out of the air type regulating mechanism 100, improve the adjustment effect of the air type regulating mechanism 100 on the air flow, and the user can adjust the working state of the air type regulating mechanism 100 according to the actual use requirements to meet the user's use requirements and improve the user's use experience.

[0290] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations 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 one or more embodiments or examples in a suitable manner.

[0291] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A wind type control mechanism, characterized in that: include: A bracket, wherein an installation space is provided in the bracket, and the bracket is provided with a first central axis; a plurality of guide vanes, the plurality of guide vanes being arranged in the installation space at intervals around the first central axis, each of the guide vanes being rotatable relative to the bracket to switch between a first state and a second state, in the first state, an air outlet end of the guide vane extends outwardly in a direction toward an inner peripheral wall of the installation space relative to an air inlet end of the guide vane, and an angle between the guide vane and the first central axis is a first angle, and in the second state, an angle between the guide vane and the first central axis is a second angle, and the second angle is smaller than the first angle; An air duct regulating member is arranged on the bracket and located on the air outlet side of the plurality of guide vanes. The air duct regulating member has a wind gathering state and a wind dispersion state. The air outlet area of ​​the air duct regulating member in the wind gathering state is smaller than the air outlet area in the wind dispersion state.

2. The wind pattern control mechanism according to claim 1, characterized in that: In the second state, the guide vane is arranged parallel to the central axis of the support.

3. The wind pattern control mechanism according to claim 1, characterized in that: The air duct adjustment member includes a plurality of swing blades, which are arranged along the circumference of the bracket, and each of the swing blades is rotatably disposed on the bracket.

4. The wind pattern control mechanism according to claim 3, characterized in that: It also includes a driving ring, which is rotatably disposed on the bracket, and each of the guide vanes is rotatably connected to the bracket and the driving ring respectively; Each of the swing blades is slidably matched with the drive ring, and the drive ring rotates to drive the guide vanes and the swing blades to rotate in conjunction.

5. The wind pattern control mechanism according to claim 4, characterized in that: In the circumferential direction of the bracket, adjacent swing blades have overlapping areas.

6. A wind type control mechanism, characterized in that: include: An air duct, the air duct having an air inlet side and an air outlet side, the air duct being used to guide airflow from the air inlet side toward the air outlet side, the air duct having a first central axis extending from the air inlet side toward the air outlet side; The air duct is provided with a plurality of guide vanes at the air outlet side, the plurality of guide vanes extend outward relative to the first central axis, and the plurality of guide vanes are deflectable relative to the first central axis; The air duct is provided with an adjustable air duct adjusting member in the circumferential direction of the air outlet side, and the air duct adjusting member forms an air flow adjusting cavity, and the inner wall of the air flow adjusting cavity can be deflected relative to the vertical plane of the first central axis under the action of the air duct adjusting member.

7. The wind pattern control mechanism according to claim 6, characterized in that: The wind type control mechanism has a wind gathering mode and a wind dispersing mode; The guide vane is deflected at a greater angle relative to the first central axis in the wind dispersing mode than in the wind gathering mode, so that the airflow is dispersed outward after passing through the guide vane in the wind dispersing mode, and is rectified and gathered toward the middle after passing through the guide vane in the wind gathering mode; The inner wall of the airflow regulating cavity is deflected at a larger angle relative to the vertical plane in the wind dispersion mode than in the wind gathering mode, so that the airflow is restricted by the inner wall of the airflow regulating cavity in the wind gathering mode, while the airflow is guided outward by the inner wall of the airflow regulating cavity in the wind dispersion mode.

8. The wind pattern control mechanism according to claim 7, characterized in that: The guide vanes and the air duct adjustment member are arranged in sequence along the first central axis; or The guide vane is arranged in the airflow adjustment cavity.

9. The wind pattern control mechanism according to claim 6, characterized in that: In the wind focusing mode, the guide vanes are arranged parallel to the first central axis; and / or The air duct is straight.

10. The wind pattern control mechanism according to claim 1 or 6, characterized in that: The orthographic projection of the air inlet end of the inner wall of the air duct adjustment member on the vertical plane of the first central axis completely covers the orthographic projections of the plurality of guide vanes on the vertical plane.

11. The wind pattern control mechanism according to claim 1 or 6, characterized in that: The cross section of the guide vane is formed into a curve, and the cross section is arranged perpendicular to the central axis of the support and / or The air duct adjustment member is configured to be linked with the plurality of guide vanes.

12. The wind pattern control mechanism according to claim 1 or 6, characterized in that: In the wind gathering state, the cross-sectional area of ​​the air duct adjusting member gradually decreases in the direction toward the air outlet; and / or In the wind dispersing state, the cross-sectional area of ​​the air duct adjusting member gradually increases in the direction toward the air outlet.

13. The wind pattern control mechanism according to any one of claims 1 or 6, characterized in that: The length of the air duct adjustment member is H1, and the thickness of the guide vane in a direction parallel to the first central axis is H2, wherein H1>H2.

14. A fan, characterized in that: include: A wind type control mechanism, wherein the wind type control mechanism is a wind type control mechanism according to any one of claims 1 to 13; A driving fan is provided, wherein the driving fan supplies air toward the wind pattern regulating mechanism.

15. The fan according to claim 14, characterized in that The driving fan is an axial flow fan.

16. The fan according to claim 15, characterized in that The cross section of the guide vane is formed into a curve, which is an Archimedean spiral. The bending direction of the curve is opposite to the rotation direction of the blades of the driving fan, and the cross section is perpendicular to the rotation center line of the driving fan.

17. The fan according to claim 14, characterized in that A portion of the blades of the driving fan extends into the installation space.

18. The fan according to claim 14, characterized in that In a direction parallel to the first central axis, the distance between the blade of the driving fan and the air inlet end of the guide vane is L2, 7mm≤L2≤15mm.

19. The fan according to claim 14, characterized in that It also includes an air outlet mesh cover, which is arranged in the air outlet area of ​​the fan.

20. The fan according to claim 19, characterized in that The air outlet grille comprises a middle area and an outer ring area, the air guide ribs in the middle area are formed as arc-shaped ribs, and the air guide ribs in the outer ring area are formed as straight ribs.

21. The fan according to claim 20, characterized in that In a direction away from the first central axis, the air outlet end of the linear rib extends obliquely outward in a direction away from the rotation center line of the driving fan.

22. The fan according to claim 21, characterized in that The value range of the inclination angle of the straight ribs relative to the rotation center line is 20°-40°.

23. The fan according to claim 19, characterized in that The air outlet net cover is detachably arranged on the outer shell of the fan.

24. A method for controlling a fan, characterized in that: The fan is a fan according to any one of claims 14 to 23, and the control method comprises: When receiving a wind gathering instruction, controlling the inner wall of the air duct adjustment member to deflect toward the first central axis and controlling the guide vane to deflect toward the first central axis to gather the airflow toward the first central axis for wind gathering; When receiving a wind dispersion instruction, the inner wall of the air duct adjustment member is controlled to deflect away from the first central axis and the guide vane is controlled to deflect away from the first central axis to disperse the airflow in a direction away from the first central axis for wind dispersion.

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