Pressurizing mixed flow fan with lighting function

Abstract

The utility model relates to the technical field of fans, and discloses a pressurized mixed flow fan with a lighting function, which comprises a fan body and a support component. The fan body comprises a front shell, and the front shell comprises a first outer ring, a pressurizing sheet and a motor mounting seat; the inner wall of the first outer ring and the outer wall of the motor mounting seat form a pressurizing air outlet duct; the motor is arranged on the motor mounting seat; a lamp panel is arranged on the motor mounting seat; the fan blades are arranged at the output end of the motor; the rear shell is matched with the front shell; a pressurizing face is arranged on the inner wall of the rear shell and forms an air inlet channel. When the motor drives the fan blades to rotate, negative pressure is generated, airflow sequentially passes through the air inlet duct and the pressurizing air outlet duct from the air inlet direction to the air outlet direction, and therefore the air volume and the air supply distance of the airflow are increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field, especially a kind of pressurized mixed flow fan with lighting function. BACKGROUND

[0002] Desktop fan is the desktop good thing of many people, and it is portable and can be charged, which is the biggest advantage of desktop fan. For the user in the office, in hot weather, desktop fan can be used to blow and dissipate heat.

[0003] In the desktop fan on the market, the structure usually adopted is: front air outlet cover, rear air outlet cover and motor with fan blades, which adopts direct air outlet mode to push air flow, and the air flow is directly pushed out, which has the problems of low air pressure and short air supply distance, so that the air flow cannot be felt at a distance, and the temperature cannot be effectively reduced. At the same time, the current desktop fan has only air supply function.

[0004] Therefore, it is necessary to improve it. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem in the prior art, and provides a pressurized mixed flow fan with lighting function to solve the problems in the background art.

[0006] To solve the above technical problems, the utility model adopts the technical scheme as follows: A pressurized mixed flow fan with lighting function, comprising: a fan body and a support assembly connected with the fan body; wherein the fan body is used for driving air flow; the support assembly is used for placing the fan body on an external plane or is used for clamping and fixing the fan body on an external object or is used for bending and deforming to connect and fix the fan body with the external object to form support for the fan body; the fan body comprises a front shell, a rear shell, a motor and a fan blade; the front shell is arranged in the air outlet direction; the front shell comprises a first outer ring, one or more pressurizing pieces and a motor mounting seat; the pressurizing pieces are distributed on the outer peripheral edge of the motor mounting seat and extend to the inner wall of the first outer ring; the inner wall of the first outer ring and the outer wall of the motor mounting seat form a pressurized air outlet air duct, which is radially contracted from the air inlet direction to the air outlet direction; the side of the motor mounting seat close to the air outlet direction is provided with a face cover, and an installation space is formed between the face cover and the motor mounting seat; an annular lamp plate is laid along the circumferential edge of the face cover in the installation space, and the annular lamp plate is used for providing lighting; the motor is arranged in the motor mounting seat; the fan blade is arranged at the output end of the motor; the rear shell is arranged in the air inlet direction, and the rear shell is matched with the front shell; a pressurizing surface is arranged on the inner wall of the rear shell from the air inlet direction to the air outlet direction and is radially increased, and the pressurizing surface forms an air inlet air duct from the air inlet direction to the air outlet direction; wherein when the motor drives the fan blade to rotate, negative pressure is generated, and air flow sequentially passes through the air inlet air duct and the pressurized air outlet air duct from the air inlet direction to the air outlet direction to increase air volume and air supply distance.

[0007] Further, the fan blade comprises a hub portion and blades uniformly arranged on the outer peripheral surface of the hub portion, the outer peripheral surface of the hub portion is radially increased from the air inlet direction to the air outlet direction to form a guide surface, the guide surface extends to the pressurized air outlet air duct, the guide surface and the pressurizing surface form the air inlet air duct, and the air inlet air duct is radially contracted from the air inlet direction to the air outlet direction.

[0008] Further, the blade comprises a tip portion and a root portion, the tip portion is located in the air inlet direction, the root portion is located in the air outlet direction, and the length of the tip portion is greater than that of the root portion, so that when the blade rotates, the air volume around the rear shell is pumped.

[0009] Further, the motor comprises a stator and a rotor, the stator is fixed on the motor mounting seat, the rotor is arranged on the fan blade, and the rotor is sleeved on the stator.

[0010] Further, the motor mounting seat is provided with a convex column extending along the axial direction and internally hollow; the hub portion is provided with a receiving portion recessed inwardly; the stator comprises an iron core inserted on the convex column and a coil wound on the iron core; the rotor comprises a rotating shaft axially arranged in the receiving portion and a magnetic ring attached to the radial inner wall of the receiving portion, and the rotating shaft is inserted in the convex column.

[0011] Further, a driving circuit board is arranged, which is electrically connected with the motor to drive the motor to rotate the fan blades.

[0012] Further, the rear shell is provided with an air inlet grille at the air inlet end, which comprises connection strips uniformly distributed in the circumferential direction, and the connection strips extend radially to be connected to the inner wall of the rear shell to form a gap preventing foreign matters from entering.

[0013] Further, a power supply interface is arranged for providing power, which is electrically connected with the driving circuit board.

[0014] Further, a digital display panel is arranged in the mounting space, which is used for displaying and / or controlling parameters.

[0015] Further, a battery is arranged, which is used for supplying power to electronic components.

[0016] Compared with the prior art, the pressurized mixed-flow fan has the advantages that: the pressurized mixed-flow fan mainly comprises a mounting space arranged on the fan body and in the air outlet direction of the motor mounting seat of the fan body, and a lamp plate is additionally arranged in the mounting space, so that the user can provide lighting function by using the lamp plate, thereby realizing the diversity of functions and meeting the needs of the user.

[0017] On the front shell, the pressurized air outlet air duct is radially contracted from the air inlet direction to the air outlet direction, and the airflow is pressurized and accelerated from the air inlet direction to the air outlet direction; on the rear shell, the pressurized surface of the rear shell is radially enlarged to form an air inlet air duct, the air inlet air duct sucks and sends the airflow from the outside, increases the air volume, and the airflow from the outside is pressurized and accelerated in the air inlet air duct. Under the action of the air inlet air duct and the pressurized air outlet air duct, the air volume and the air supply distance are increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model.

[0019] Figure 2 is a structural schematic view of the fan body.

[0020] Figure 3 is a type schematic view of the support assembly.

[0021] Figure 4is an exploded view of the fan body.

[0022] Figure 5 is a sectional view of the fan body.

[0023] Figure 6 is a sectional view of the fan body.

[0024] Figure 7 is a structural view of the front shell.

[0025] Figure 8 is a structural view of the front shell.

[0026] Figure 9 is a structural view of the front shell.

[0027] Figure 10 is a structural view of the rear shell.

[0028] Figure 11 is a structural view of the rear shell.

[0029] Figure 12 is a structural view of the fan blade.

[0030] Figure 13 is a structural view of the stator.

[0031] Figure 14 is a structural view of the rotor and the fan blade.

[0032] Reference signs: 1, fan body; 2, bracket assembly; 3, front shell; 4, rear shell; 5, motor; 6, fan blade; 7, first outer ring; 8, pressurizing sheet; 9, motor mounting base; 10, pressurized air outlet air duct; 11, face cover; 12, annular lamp plate; 13, pressurized face; 14, air inlet air duct; 15, hub part; 16, blade; 17, air guide face; 18, blade top part; 19, blade root part; 20, stator; 21, rotor; 22, convex column; 23, receiving part; 24, iron core; 25, coil; 26, rotating shaft; 27, magnetic ring; 28, driving circuit board; 29, air inlet grille; 30, digital display panel; 31, battery. DETAILED DESCRIPTION

[0033] The utility model will be explained in further detail below in combination with the drawings.

[0034] The embodiments described with reference to the drawings are exemplary and are intended to be illustrative of the present application and are not understood to be limiting of the present application. In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings and are merely used for convenience of description and do not indicate or imply that a device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be construed or implied as limiting the present application. In addition, the terms "first", "second", are used only for the purpose of description and cannot be construed or implied as indicating or implying relative importance or indicating the number of indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several", "a plurality of" is two or more, unless otherwise explicitly specified and limited. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be connected between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the "upper", "above" and "above" of the first feature to the second feature includes the first feature above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature includes the first feature above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] As Figures 1-11As shown, a pressurized mixed-flow fan with lighting function is provided, comprising: a fan body 1 and a bracket assembly 2 connected with the fan body 1; wherein the fan body 1 is used to drive air flow; the bracket assembly 2 is used to place the fan body 1 on the plane or used to clamp and fix the fan body 1 on the external object or used to bend and deform and wrap and connect and fix with the external object to form support for the fan body 1; the fan body 1 comprises a front shell 3, a rear shell 4, a motor 5 and a fan blade 6; the front shell 3 is arranged in the air outlet direction; the front shell 3 comprises a first outer ring 7, one or more than one pressurizing piece 8 and a motor mounting seat 9; the pressurizing piece 8 is distributed on the outer peripheral edge of the motor mounting seat 9 and extends to the inner wall of the first outer ring 7; the inner wall of the first outer ring 7 and the outer wall of the motor mounting seat 9 form a pressurized air outlet air duct 10, which is radially contracted from the air inlet direction to the air outlet direction; the side of the motor mounting seat 9 close to the air outlet direction is provided with a face cover 11, and the face cover 11 and the motor mounting seat 9 form an installation space therebetween, and an annular lamp plate 12 is laid along the circumferential edge of the face cover 11 in the installation space, which is used to provide lighting; the motor 5 is arranged in the motor mounting seat 9; the fan blade 6 is arranged at the output end of the motor 5; the rear shell 4 is arranged in the air inlet direction, and the rear shell 4 cooperates with the front shell 3; the inner wall of the rear shell 4 is provided with a pressurizing surface 13 which is radially increased from the air inlet direction to the air outlet direction, and the pressurizing surface 13 forms an air inlet air duct 14 from the air inlet direction to the air outlet direction; wherein the motor 5 drives the fan blade 6 to rotate to generate negative pressure, and the air flow sequentially passes through the air inlet air duct 14 and the pressurized air outlet air duct 10 from the air inlet direction to the air outlet direction to increase the air volume and the air supply distance.

[0036] In view of the technical problems described in the background art, a pressurized mixed-flow fan with lighting function is provided, wherein the fan body 1 and the bracket assembly 2 can be an integral structure or independent components, preferably the fan body 1 and the bracket assembly 2 are independent components, the fan body 1 is movably connected with the bracket assembly 2, and the fan body 1 can be rotated and adjusted by the bracket assembly 2.

[0037] Reference Figure 3The bracket assembly 2 is mainly used to place the fan body 1 on the plane of the external environment or to clamp and fix the fan body 1 on the external object or to bend and deform the fan body 1 to be connected and fixed with the external object to form support for the fan body 1. For example, a use scenario is a desktop, and the bracket assembly 2 can be designed as a base structure to facilitate placement on the desktop for use. For example, a use scenario is the edge of a desktop, and the bracket assembly 2 can be designed as a clip structure to facilitate clamping on the desktop for use. For example, a use scenario is a pipe, and the bracket assembly 2 can be designed as a flexible strip, such as an aluminum strip material, to facilitate bending and deforming and connecting and fixing with the pipe for use.

[0038] With reference to Figures 7-9 For the front shell 3, the motor mounting seat 9 can be integrally formed with the front shell 3 or be a separate component. The motor mounting seat 9 can be arranged on the air inlet direction or the air outlet direction of the front shell 3. As an implementable technical manner, the motor mounting seat 9 is integrally formed with the front shell 3, and the motor mounting seat 9 is arranged on the side of the front shell 3 close to the air inlet direction. The pressurizing pieces 8 can be uniformly distributed or unevenly distributed between the first outer ring 7 and the motor mounting seat 9. Preferably, the pressurizing pieces 8 are uniformly distributed in a circumferential direction. Since the pressurizing pieces 8 are arranged between the motor mounting seat 9 and the inner wall of the first outer ring 7, the radial air passage area formed between the motor mounting seat 9 and the inner wall of the first outer ring 7 is reduced, so that the airflow passing between the motor mounting seat 9 and the inner wall of the first outer ring 7 is pressurized and accelerated. The number of pressurizing pieces 8 can be set according to specific implementation conditions, and the number of pressurizing pieces 8 is not limited. At the same time, the inner wall of the first outer ring 7 and the outer wall of the motor mounting seat 9 form a pressurized air outlet air duct 10, which is radially contracted from the air inlet direction to the air outlet direction, forming a necked structure. When the airflow passes through the pressurized air outlet air duct 10, the radial air passage area gradually decreases, so that the airflow is pressurized and accelerated.

[0039] With reference to Figure 4 and Figure 5 On the front shell 3, a face cover 11 is arranged on the side of the motor mounting seat 9 close to the air outlet direction. An installation space is designed between the face cover 11 and the motor mounting seat 9, so that an annular lamp plate 12 can be installed in the installation space. The annular lamp plate 12 is adapted to the face cover 11 and is arranged on the circumferential edge of the face cover 11. The annular lamp plate 12 can be controlled by a separate circuit board or by a driving circuit board 28. The implementation can be selected, and this is not limited. The lighting function provided by the annular lamp plate 12 can provide lighting function for the user and enrich the use mode.

[0040] As Figures 10-11As shown, for the rear shell 4, the rear shell 4 is used to cooperate with the front shell 3, and the inner wall of the rear shell 4 is designed to have a radially increasing pressurized surface 13 from the air inlet direction to the air outlet direction, so that when the air flow enters the air inlet duct 14 from the outside of the rear shell 4, the air flow is pressurized and accelerated, and at the same time, since it is close to the air inlet direction, it is convenient to pump the external air flow and increase the air volume.

[0041] Through the above technical scheme, the pressurized mixed flow fan mainly sets the installation space in the air outlet direction of the motor 5 mounting seat of the fan body 1, and adds the lamp plate in the installation space, so that the user can provide the lighting function by using the lamp plate, thereby realizing the diversity of functions and meeting the needs of the user. In the position of the front shell 3, the pressurized air outlet duct 10 is radially contracted from the air inlet direction to the air outlet direction, and the air flow is pressurized and accelerated from the air inlet direction to the air outlet direction; in the position of the rear shell 4, the pressurized surface 13 of the rear shell 4 is radially increased to form the air inlet duct 14, the air inlet duct 14 pumps the external air flow to increase the air volume, and the external air flow enters the air inlet duct 14 to be pressurized and accelerated. Under the action of the air inlet duct 14 and the pressurized air outlet duct 10, the air volume and the air supply distance are increased.

[0042] As shown in Figure 6 and Figure 12 The fan blade 6 includes a hub portion 15 and a blade 16 uniformly arranged on the outer peripheral surface of the hub portion 15, the outer peripheral surface of the hub portion 15 is radially increased from the air inlet direction to the air outlet direction to form a guide surface 17, the guide surface 17 extends to the pressurized air outlet duct 10, the guide surface 17 and the pressurized surface 13 form the air inlet duct 14, and the air inlet duct 14 is radially contracted from the air inlet direction to the air outlet direction.

[0043] Preferably, in the design of the fan blade 6, the fan blade 6 includes a hub portion 15 and a blade 16, the outer peripheral surface of the hub portion 15 is radially increased from the air inlet direction to the air outlet direction to form a guide surface 17, and the air inlet duct 14 formed by the guide surface 17 and the pressurized surface 13 is radially contracted from the air inlet direction to the air outlet direction, that is, the radial ventilation area of the air inlet duct 14 on the side of the air inlet direction is greater than that on the side of the air outlet direction, so that the air flow is pressurized and accelerated when entering the air inlet duct 14.

[0044] As shown in Figure 12 The blade 16 includes a tip portion 18 and a root portion 19, the tip portion 18 is located in the air inlet direction, the root portion 19 is located in the air outlet direction, and the length of the tip portion 18 is greater than the length of the root portion 19, so that when the blade 16 rotates, the air volume around the rear shell 4 is pumped.

[0045] The length of the blade top 18 is greater than the length of the blade root 19, so that the fan blade 6 can generate greater negative pressure when rotating, and the air flow around the rear shell 4 is pumped to increase the air volume.

[0046] As shown in Figure 4 、 Figure 7 、 Figure 13 and Figure 14 , the motor 5 includes a stator 20 fixed on the motor mounting seat 9 and a rotor 21 arranged on the fan blade 6, and the rotor 21 is sleeved on the stator 20. In implementation, the motor 5 can adopt a brush motor or a brushless motor.

[0047] Specifically, the motor mounting seat 9 is provided with a protruding column 22 extending in the axial direction and hollow inside; the hub portion 15 has a receiving portion 23 arranged inwardly recessed; the stator 20 includes an iron core 24 inserted on the protruding column 22 and a coil 25 wound on the iron core 24; the rotor 21 includes a rotating shaft 26 arranged axially in the receiving portion 23 and a magnetic ring 27 arranged radially on the inner wall of the receiving portion 23, and the rotating shaft 26 is inserted into the protruding column 22.

[0048] Preferably, as one of the implementable technical solutions, the motor 5 adopts an outer rotor brushless motor, in structure, the hub portion 15 of the fan blade 6 is provided with the receiving portion 23, the fan blade 6 is arranged as the mounting position of the rotor 21, the magnetic ring 27 and the rotating shaft 26 of the rotor 21 are arranged at the receiving portion 23, so that the structure can be optimized and the number of components can be saved, at the same time, the hollow protruding column 22 is arranged on the motor mounting seat 9, which facilitates the insertion of the rotating shaft 26 into the protruding column 22 for positioning, and the iron core 24 and the coil 25 of the stator 20 can be sleeved on the protruding column 22 for positioning, so that the driving of the fan blade 6 is realized through the designed structure of the outer rotor brushless motor, the structure can be more compact, the number of components can be saved, and the cost can be reduced.

[0049] The pressurized mixed-flow fan includes a driving circuit board 28 electrically connected to the motor 5 to drive the motor 5 to drive the fan blade 6 to rotate. In implementation, the driving circuit board 28 can adopt an embedded manner or an external manner, when adopting the embedded manner, it can be installed on the front shell 3 or the rear shell 4, when adopting the external manner, it can be installed through an additional shell, which is not limited, and the driving circuit board 28 is mainly used for driving and controlling various components.

[0050] Preferably, the rear shell 4 is provided with an air inlet grille 29 at the air inlet end, the air inlet grille 29 includes connection strips uniformly distributed in the circumference, and the connection strips are connected to the inner wall of the rear shell 4 in the radial direction to form a gap for preventing foreign matters from entering.

[0051] Preferably, a power supply interface for providing power is included, which is electrically connected with the driving circuit board 28.

[0052] As shown in the figure, a digital display panel 30 is arranged in the mounting space, which is used for displaying and / or controlling parameters. Figure 4

[0053] The pressurized mixed-flow fan includes a battery 31 for powering electronic components.

[0054] The above is not intended to limit the technical scope of the present application in any way, and any modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical essence of the present application are still within the scope of the technical solutions of the present application.​

Claims

1. A pressurized mixed flow fan having a lighting function, characterized by, The fan body and a bracket assembly connected with the fan body; wherein the fan body is used to drive air flow; the bracket assembly is used to place the fan body on the plane or used to clamp the fan body on the external object or used to bend the fan body to connect with the external object to form the support for the fan body; The fan body includes a front shell, a rear shell, a motor and a fan blade; The front shell is arranged in the air outlet direction; the front shell includes a first outer ring, one or more than one pressurized sheet and a motor mounting seat; the pressurized sheet is distributed on the outer peripheral edge of the motor mounting seat and extends to the inner wall of the first outer ring; the inner wall of the first outer ring and the outer wall of the motor mounting seat form a pressurized air outlet air duct, which is radially contracted from the air inlet direction to the air outlet direction; the side of the motor mounting seat close to the air outlet direction is provided with a face cover, and the face cover and the motor mounting seat form an installation space, and an annular lamp plate is laid along the circumferential edge of the face cover in the installation space, which is used to provide illumination; The motor is arranged in the motor mounting seat; The fan blade is arranged at the output end of the motor; The rear shell is arranged in the air inlet direction, and the rear shell is matched with the front shell; the inner wall of the rear shell is provided with a pressurized surface which is radially increased from the air inlet direction to the air outlet direction, and the pressurized surface forms an air inlet air duct from the air inlet direction to the air outlet direction; When the motor drives the fan blade to rotate, negative pressure is generated, and air flow passes through the air inlet air duct and the pressurized air outlet air duct from the air inlet direction to the air outlet direction in sequence to increase the air volume and the air supply distance.

2. The pressurized mixed flow fan with illumination function according to claim 1, wherein: The fan blade includes a hub part and blades uniformly arranged on the outer peripheral surface of the hub part, the outer peripheral surface of the hub part is radially increased from the air inlet direction to the air outlet direction to form a guide surface, the guide surface extends to the pressurized air outlet air duct, the guide surface and the pressurized surface form the air inlet air duct, and the air inlet air duct is radially contracted from the air inlet direction to the air outlet direction.

3. The pressurized mixed flow fan with illumination function according to claim 2, wherein: The blade includes a blade top part and a blade root part, the blade top part is located in the air inlet direction, the blade root part is located in the air outlet direction, and the length of the blade top part is greater than the length of the blade root part, so that the air volume around the rear shell is pumped when the blade rotates.

4. The pressurized mixed flow fan with illumination function according to claim 2, wherein: The motor includes a stator and a rotor, the stator is fixed on the motor mounting seat, the rotor is arranged on the fan blade, and the rotor is sleeved on the stator.

5. The pressurized mixed flow fan with illumination function according to claim 4, wherein: The motor mounting seat is provided with a convex column which extends along the axial direction and is hollow inside; The hub part has a receiving part which is recessed inwardly; The stator includes an iron core inserted on the convex column and a coil wound on the iron core; ​ The rotor comprises a rotating shaft axially arranged in the receiving portion and a magnetic ring attached to the radially inner wall of the receiving portion, and the rotating shaft is inserted into the convex column.

6. The pressurized mixed-flow fan with lighting function according to any one of claims 1-5, characterized in that: The driving circuit board is electrically connected to the motor to drive the motor to rotate the fan blade.

7. The pressurized mixed-flow fan with lighting function according to claim 5, characterized in that: The rear shell is provided with an air inlet grille at the air inlet end, and the air inlet grille comprises circumferentially uniformly distributed connecting strips which are connected to the inner wall of the rear shell to form a gap for preventing foreign matters from entering.

8. The pressurized mixed-flow fan with lighting function according to claim 6, characterized in that: The power supply interface is electrically connected to the driving circuit board to provide power.

9. The pressurized mixed-flow fan with lighting function according to claim 1, characterized in that: A digital display panel is arranged in the mounting space, and the digital display panel is used to display and / or control parameters.

10. The pressurized mixed-flow fan with lighting function according to claim 8, characterized in that: A battery is arranged to supply power to the electronic components.

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