Portable fan

Abstract

The utility model provides a portable fan which comprises a shell, a fan body and a fan cover. The shell comprises an air inlet and an air outlet. The brake assembly is contained in the shell, sucks air into the shell from the air inlet and then blows the air out of the air outlet. The adjusting module is arranged on the shell and used for controlling opening, closing and the air speed of the brake assembly; the display module is arranged on the shell and used for displaying one or more of the wind speed and light of the brake assembly; wherein the adjusting module and the display module are arranged on the same circuit board. The adjusting module and the display module are arranged on the same circuit board, so that the adjusting module and the display module are arranged in a centralized manner, and the adjusting module can be better operated in cooperation with the display module, so that the mode required by a user is adjusted.

Description

Technical Field

[0001] The present application relates to the technical field of fans, and in particular to a portable fan with good air output effect. Background Art

[0002] In recent years, people are increasingly pursuing a more convenient life. In order to meet the demand for using fans in outdoor activities or other life scenarios, a variety of portable fan products have appeared on the market, such as handheld fans, neck-hanging fans, etc.

[0003] In the current development process of portable fans, as the functions of portable fans are increasing, there are more and more buttons for adjusting different functions, the operations are frequent, and the circuit modules are complex, which is not conducive to the portability design of the fan. Summary of the Invention

[0004] In view of this, the present application provides a portable fan, which centrally arranges the adjustment module and the display module by arranging them on the same circuit board, and in conjunction with the display module, the adjustment module can be better operated to adjust to the mode required by the user.

[0005] The present application provides a portable fan, comprising: a shell, including an air inlet and an air outlet; a brake assembly, housed in the shell, and sucking air from the air inlet into the shell and blowing it out from the air outlet; an adjustment module, provided on the shell, for controlling the opening, closing, and speed regulation of the brake assembly; a display module, provided on the shell, for displaying one or more of wind speed, light, and power; wherein the adjustment module and the display module are provided on the same circuit board.

[0006] Furthermore, the adjustment module includes an exposed rotating member, which is cylindrical and includes a rotating part and a display part. The rotating part is located on the arc-shaped side surface of the rotating member, and the display part is located on the end surface of the rotating member, and the display part is exposed outward.

[0007] Furthermore, the display module includes a display component, which is accommodated in the housing or the rotating component, and the content of the display component can be displayed externally through the display portion.

[0008] Furthermore, the adjustment module includes a stepless adjustment member, which is arranged on the circuit board. The rotating member is connected to the stepless adjustment member. The brake assembly includes a motor electrically connected to the circuit board and a fan connected to the motor. When the rotating member rotates, the stepless adjustment member changes accordingly and adjusts the power output to the motor through the circuit board.

[0009] Furthermore, the stepless adjustment component is a potentiometer or a rotary encoder.

[0010] Furthermore, the shell includes two free ends, the rotating member is provided at one of the free ends, the rotating portion corresponds to the side surface of the shell, and the display portion corresponds to the end surface of the shell.

[0011] Furthermore, the difference between the diameter of the rotating member and the cross-sectional diameter of the free end of the shell is less than 8 mm.

[0012] Furthermore, the shell includes an air outlet portion, which includes a front shell and a rear shell connected to each other, the air inlet is provided on the rear shell, the air outlet is provided on the front shell, and the rotating part is provided in the middle area of ​​the front shell.

[0013] Furthermore, the housing includes a hand-held portion, the rotating member is protruding and exposed on the hand-held portion, and the rotating member is arranged on the side or end surface of the hand-held portion.

[0014] Furthermore, the rotating part and the display part are split structures, the rotating part is provided with a step part, the shell is provided with a protrusion, and the inner side of the protrusion is provided with a first fixing part; the rotating part is nested in the outer side of the protrusion, and the step part is flush with the end of the protrusion, and one side of the display part protrudes toward the shell and is provided with a second fixing part, the second fixing part is fixed to the first fixing part, and at the same time, the display part abuts against the step part and the protrusion.

[0015] Compared with the prior art, the portable fan of the present application has the following beneficial effects: by arranging the adjustment module and the display module on the same circuit board, the adjustment module and the display module are centrally arranged, and in conjunction with the display module, the adjustment module can be better operated to adjust to the mode required by the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective view of an embodiment of the portable fan of the present application;

[0017] Figure 2 is a partial exploded view of an embodiment of the portable fan of the present application;

[0018] Figure 3 is a cross-sectional view of an embodiment of the portable fan of the present application;

[0019] Figure 4 is a perspective view of another embodiment of the portable fan of the present application;

[0020] Figure 5 is a partial exploded view of another embodiment of the portable fan of the present application;

[0021] Figure 6It is a three-dimensional diagram of another embodiment of the portable fan of the present application. DETAILED DESCRIPTION

[0022] In order to facilitate a better understanding of the purpose, structure, features and effects of this application, this application is further described in conjunction with the accompanying drawings and specific implementation methods.

[0023] It should be noted that when an element is considered to be “connected to” another element, it can be directly connected to the other element or there may be an intervening element at the same time.

[0024] In this application, descriptions such as “first”, “second”, etc. are only used for descriptive purposes and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features.

[0025] In the description of this application, the terms "front", "back", "left", "right", "up", "down", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on this application.

[0026] In one embodiment, Figures 1 to 3 As shown, the portable fan includes a shell 1, a brake assembly, an adjustment module 2 and a display module 3. The brake assembly is accommodated in the shell 1, and the adjustment module 2 and the display module 3 are arranged on the shell 1. The shell 1 includes an air inlet 11 and an air outlet 12. The brake assembly sucks air into the shell 1 from the air inlet 11 and blows it out from the air outlet 12. The adjustment module 2 is used to control the opening, closing and speed regulation of the brake assembly, and the display module 3 is used to display one or more of the wind speed, light and power. The adjustment module 2 and the display module 3 are arranged on the same circuit board 4. By arranging the adjustment module 2 and the display module 3 on the same circuit board 4, the adjustment module 2 and the display module 3 are concentrated, and in conjunction with the display module 3, the adjustment module 2 can be better operated to adjust to the mode required by the user.

[0027] In one embodiment, Figures 1 to 3 As shown, the adjustment module 2 includes an exposed rotating member 21, which is cylindrical. The rotating member 21 includes a rotating portion 211 and a display portion 212. The rotating portion 211 is located on the curved side surface of the rotating member 21, and the display portion 212 is located on the end surface of the rotating member 21 and is exposed outward.

[0028] In one embodiment, Figures 1 to 3 As shown, the display module 3 includes a display element 31 housed within the housing. The contents of the display element 31 are displayed externally through the display portion 212. By placing the display element 31 within the rotating member 21, the rotating member 21 simultaneously performs both adjustment and display functions, enriching its functionality and enhancing its overall focus. In other embodiments, when the rotating member 21 is taller, the display element 31 can also be placed within the rotating member 21.

[0029] In one embodiment, Figures 1 to 3 As shown, the adjustment module 2 includes a stepless adjustment member (not shown in the figure, the same below). The stepless adjustment member is provided on the circuit board 4, and the rotating member 21 is connected to the stepless adjustment member. The rotating member 21 and the stepless adjustment member are fixedly connected, and the specific connection method can be any fixed method in the prior art. The brake assembly includes a motor (not shown in the figure, the same below) electrically connected to the circuit board 4, and a fan (not shown in the figure, the same below) connected to the motor. When the rotating member 21 rotates, the stepless adjustment member changes accordingly, and adjusts the power output to the motor through the circuit board 4, thereby adjusting the speed of the motor, and also adjusting the speed of the fan.

[0030] In one embodiment, Figures 1 to 3 As shown, the stepless adjustment element is a potentiometer, a rotary encoder, or other similar functional element. When the stepless adjustment element is a potentiometer, rotating the rotary element 21 adjusts the resistance of the potentiometer, and the circuit board 4 adjusts the power output to the motor based on the change in resistance. When the stepless adjustment element is a rotary encoder, rotating the rotary element 21 adjusts the rotary encoder, and the output of the rotary encoder feeds back a phase difference to the circuit board 4. The circuit board 4 adjusts the power output to the motor based on the phase difference.

[0031] In one embodiment, Figures 1 to 3 As shown, the portable fan is a neck-hanging fan. The shell 1 includes two free ends, and the rotating member 21 is provided at one of the free ends. The rotating portion 211 corresponds to the side of the shell 1, and the display portion 212 corresponds to the end face of the shell 1. In other words, the display portion 212 is directly displayed on the end of the shell 1, and the user can quickly and clearly identify the data. At the same time, the rotating portion 211 is also located on the side of the end of the shell 1, which is convenient for the user to operate. When the rotating member 21 is provided on the end face of the free end of the shell 1, the installation of the rotating member 21 is more convenient, and the internal circuit setting is also more convenient.

[0032] In one embodiment, the diameter of the rotating member 21 differs from the cross-sectional diameter of the free end of the housing 1 by less than 8 mm. Figures 1 to 3As shown, in this embodiment, the diameter of the rotating member 21 is equal to the cross-sectional diameter of the free end of the shell 1. By utilizing the position of the end of the shell 1, the structural design is reasonable and the shape is integrated and not abrupt.

[0033] In one embodiment, Figures 1 to 3 As shown, the rotating portion 211 and the display portion 212 are separate structures. The rotating portion 211 is provided with a step portion 2111, and the housing 1 is provided with a protrusion 15. A first fixing portion 151 is provided inside the protrusion 15. The rotating portion 211 is nested outside the protrusion 15, and the step portion 2111 is flush with the end of the protrusion 15. A second fixing portion 2121 is provided on one side of the display portion 212, which protrudes toward the housing 1. The second fixing portion 2121 is fixed to the first fixing portion 151, and the display portion 212 abuts against the step portion 2111 and the end of the protrusion 15. By fixing the second fixing portion 2121 to the first fixing portion 151, the rotating portion 211, the display portion 212, and the protrusion 15 of the housing 1 are simultaneously fixed, resulting in a reasonable structural design.

[0034] In order to ensure airtightness and prevent water vapor from entering and damaging internal components, a sealing ring can also be provided to increase the airtight protection effect.

[0035] It should be understood that the adjustment module 2 and the display module 3 can be directly integrated into the circuit board 4, and the adjustment module 2 and the display module 3 can be detachably installed on the circuit board 4, for example, by being connected through contacts, but this is not a limitation.

[0036] In one embodiment, Figure 4 and Figure 5 As shown, the portable fan is a handheld fan, and the housing 1 includes an air outlet 13. The air outlet 13 includes a front shell 1A and a rear shell (not shown in the figure, the same below) connected to each other, the air inlet 11 is provided on the rear shell (the air inlet 11 of this embodiment is not shown in the figure), the air outlet 12 is provided on the front shell 1A, and the rotating member 21 is provided in the middle area of ​​the front shell 1A. In other words, the display unit 212 and the display member 31 are located in the middle area of ​​the front shell 1A and are arranged forward for easy viewing by the user. In addition, the rotating member 21 is provided in the middle area of ​​the front shell 1A and is located on the same axis as the motor and the fan. The rotating member 21 is provided corresponding to the motor, and the air outlet of the fan is radially outside the motor, which has little effect on the air outlet effect of the fan. Of course, in other embodiments, the portable fan may not be a handheld fan, but may be other types of fans, or a portable fan having only the air outlet 13.

[0037] In one embodiment, Figure 4 and Figure 5 As shown, the shell 1 is provided with a protrusion 15, and a first fixing portion 151 is provided on the inner side of the protrusion 15; the rotating portion 211 and the display portion 212 are an integrated structure, and the rotating member 21 is provided with a second fixing portion 2121 protruding toward the shell 1, and the second fixing portion 2121 is fixed to the first fixing portion 151, and the rotating member 21 is fixed to the shell 1.

[0038] In one embodiment, the portable fan is a handheld fan, and the housing 1 includes a handheld portion 14. The rotary member 21 protrudes from the handheld portion 14, making it easy for the user to operate and adjust the fan by hand. It should be understood that the handheld portion 14 includes a side surface and an end surface, and the rotary member 21 can be provided on the side surface of the handheld portion 14 or on the end surface of the handheld portion 14. Figure 6 As shown, when the rotating member 21 is arranged on the end surface of the hand-held portion 14, the installation of the rotating member 21 is more convenient and the internal circuit arrangement is also more convenient.

[0039] It should be understood that the portable fan may also be other types of small fans, such as a clip fan, a desktop fan, etc., and is not limited to this.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. 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 can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0041] The above detailed description is only an illustration of the preferred embodiment of the present application, and does not limit the patent scope of the present application. Therefore, all equivalent technical changes made by using the description and illustrations of this invention are included in the patent scope of this invention.

Claims

1. A portable fan, characterized in that: include: a housing, comprising an air inlet and an air outlet; a brake assembly housed in the housing and configured to draw air into the housing from the air inlet and blow it out from the air outlet; An adjustment module, provided on the housing, for controlling the opening, closing, and speed regulation of the brake assembly; A display module is provided on the housing and is used to display one or more of wind speed, light, and power; Wherein, the adjustment module and the display module are arranged on the same circuit board.

2. The portable fan according to claim 1, wherein: The adjustment module includes an exposed rotating member, which is cylindrical and includes a rotating part and a display part. The rotating part is located on the arc-shaped side surface of the rotating member, and the display part is located on the end surface of the rotating member and is exposed outward.

3. The portable fan according to claim 2, wherein: The display module includes a display element, which is accommodated in the housing or the rotating element. The content of the display element can be displayed externally through the display portion.

4. The portable fan according to claim 2, wherein: The adjustment module includes a stepless adjustment member, which is arranged on the circuit board. The rotating member is connected to the stepless adjustment member. The brake assembly includes a motor electrically connected to the circuit board and a fan connected to the motor. When the rotating member rotates, the stepless adjustment member changes accordingly and adjusts the power output to the motor through the circuit board.

5. The portable fan according to claim 4, wherein: The stepless adjustment component is a potentiometer or a rotary encoder.

6. The portable fan according to claim 4, wherein: The housing includes two free ends, the rotating member is provided at one of the free ends, the rotating portion corresponds to a side surface of the housing, and the display portion corresponds to an end surface of the housing.

7. The portable fan according to claim 6, wherein: The difference between the diameter of the rotating member and the cross-sectional diameter of the free end of the housing is less than 8 mm.

8. The portable fan according to claim 4, wherein: The shell includes an air outlet portion, which includes a front shell and a rear shell connected to each other. The air inlet is provided on the rear shell, the air outlet is provided on the front shell, and the rotating member is provided in the middle area of ​​the front shell.

9. The portable fan according to claim 4, wherein: The housing includes a hand-held portion, the rotating member is protruding and exposed on the hand-held portion, and the rotating member is arranged on a side surface or an end surface of the hand-held portion.

10. The portable fan according to claim 2, wherein: The rotating part and the display part are separate structures, the rotating part is provided with a step part, the shell is provided with a protrusion, and the inner side of the protrusion is provided with a first fixing part; the rotating part is nested in the outer side of the protrusion, and the step part is flush with the end of the protrusion, and one side of the display part protrudes toward the shell and is provided with a second fixing part, the second fixing part is fixed to the first fixing part, and the display part abuts against the step part and the protrusion.

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