WO2022116108A1

WO2022116108A1 - Small neck-worn fan

Info

Publication number: WO2022116108A1
Application number: PCT/CN2020/133682
Authority: WO
Inventors: 郑伟灵; 姚亚伟
Original assignee: 深圳市庸轼科技有限公司
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2022-06-09

Abstract

Disclosed is a small neck-worn fan. The small neck-worn fan comprises a neck-hanging body (1), electric motors (2) installed in the neck-hanging body (1), fan blades (5) installed on a main shaft (21) of each electric motor (2), and power supply control units (3) electrically connected to the electric motors (2). The neck-hanging body (1) comprises an arc-shaped section (11), and extension sections (12) that are respectively installed at two ends of the arc-shaped section (11), wherein the end of each extension section (12) away from the arc-shaped section (11) is provided with an air inlet (120), and the arc-shaped section (11) is provided with an air outlet (110). The small neck-worn fan further comprises ducts (4) installed in the extension sections (12), wherein the electric motors (2) and the fan blades (5) are respectively arranged in the ducts (4).

Description

A small neck-mounted fan

technical field

The present application relates to the technical field of fans, in particular to a small neck-mounted fan.

Background technique

The statements herein merely provide background information related to the present application and do not necessarily constitute prior art.

At present, most of the neck-mounted fans adopt a structure composed of a traditional blower-type fan blade and a motor, and are laterally arranged at the end of the neck-mounted body in a U-shape. However, such a design will cause the two ends of the hanging neck body to occupy a large space laterally, resulting in a large overall volume of the neck-mounted fan.

technical problem

One of the purposes of the embodiments of the present application is to provide a small neck-mounted fan, which aims to solve the problem that the two ends of the neck-mounted body occupy a large space laterally, resulting in a large overall volume of the neck-mounted fan.

technical solutions

In order to solve the above-mentioned technical problems, the technical solutions adopted in the embodiments of the present application are:

Provided is a small neck-mounted fan, comprising a neck body, a motor installed in the neck body, a fan blade installed on the main shaft of the motor, and a power control unit electrically connected to the motor, so the The power control unit is installed in the hanging neck body; the hanging neck body includes an arc section and an extension section respectively installed at both ends of the arc section, and the extension section is opened at one end away from the arc section There is an air inlet, and the arc section is provided with an air outlet communicating with the air inlet; the small neck-mounted fan also includes a duct installed in the extension section, and the duct extends along the extension The length direction of the segment is arranged, the motor and the fan blade are respectively arranged in the duct, and the length direction of the main shaft of the motor coincides with the central axis of the duct.

In one embodiment, the duct includes a pipe body and a support frame installed in the pipe body, and the motor is mounted on the support frame; the pipe body includes an air inlet port and an air exhaust port, so The air inlet port is opposite to the air inlet port, and the air exhaust port is opposite to the corresponding end of the arc-shaped segment.

In one embodiment, the diameter of the air outlet port is larger than the diameter of the air inlet port.

In one embodiment, the support frame includes a support plate for supporting the motor and a plurality of support plates connecting the support plate and the inner side wall of the pipe body; two adjacent support plates are arranged at intervals.

In one embodiment, a through hole for the main shaft to pass through is formed on the support plate.

In one embodiment, the number of the support frames is two, and the two support frames are arranged at intervals; one end of the motor is installed on one of the support frames, and the other end of the motor is installed on the other support frame. on the support frame.

In one embodiment, the air outlet has a long arc-shaped structure.

In one embodiment, the power control unit includes a control board installed in the neck body, a control switch installed on the control board, and a power supply electrically connected to the control board; the control switch is connected to the control board. The control main board is electrically connected, the power supply is installed in the hanger body, and the control main board is electrically connected with the motor.

In one embodiment, the power control unit further includes a signal light installed on the control mainboard, the signal light is electrically connected to the control mainboard, and the signal light extends out of the neck body.

In another embodiment, the power control unit further includes a wireless communication unit mounted on the control mainboard, and the wireless communication unit is electrically connected to the control mainboard.

In another embodiment, the power control unit further includes an induction unit for collecting external environment information to control the rotational speed of the motor; the induction unit is installed on the control main board, and the induction unit is connected to the Control the electrical connection of the main board.

In one embodiment, the air inlet is opened at one end of each of the extending segments away from the arc-shaped segment, the duct is provided in each of the extending segments, and the motor is respectively provided in each of the ducts and the fan blades.

In one embodiment, each of the extension segments and the arcuate segment is detachably connected.

In another embodiment, the arcuate segment and the two extending segments are integrally formed.

In another embodiment, a first filter screen that shields the air inlet is installed in the extending section.

In another embodiment, a second filter screen that shields the air inlet port is installed in the duct, and the second filter screen is arranged close to the air inlet port.

In another embodiment, a third filter screen that shields the exhaust port is installed in the duct, and the third filter screen is arranged close to the exhaust port.

In another embodiment, a fourth filter screen for shielding the air outlet is installed in the arc-shaped section.

beneficial effect

The beneficial effect of the small neck-mounted fan provided by the embodiment of the present application is that: in the present application, an air inlet is provided at the end of the extension section away from the arc section, the duct is arranged along the length direction of the extension section, and the duct can be directly opposite to the air inlet. Set; and the length direction of the main shaft of the motor coincides with the central axis of the duct, the wind entering from the air inlet can be directly entered into the arc section by the fan blade through the length direction of the duct, and directly discharged from the air outlet, which can be used without changing the wind direction. In this case, increase the discharge rate, thereby increasing the wind speed. Compared with the horizontal arrangement of the traditional blower fan, the present application arranges the duct along the length direction of the extension, so that the space occupied by the duct in the width direction of the extension can be reduced, and the width of the extension can be made smaller. , thereby reducing the overall volume of the small neck-mounted fan. Moreover, the duct can increase the wind speed in a specific direction. Under the same wind speed requirements, the volume of the fan blade and the motor of the present application can be made smaller, which can further reduce the overall volume of the small neck-mounted fan.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments or exemplary technologies. Obviously, the drawings in the following description are only for the present application. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a small neck-mounted fan provided by an embodiment of the present application;

Fig. 2 is the explosion schematic diagram of Fig. 1;

3 is a schematic structural diagram 1 of the connection of a motor, a fan blade and a duct according to an embodiment of the present application;

Fig. 4 is the exploded schematic diagram of Fig. 3;

FIG. 5 is a second structural schematic diagram of the connection of a motor, a fan blade, and a duct according to an embodiment of the present application;

Fig. 6 is the exploded schematic diagram of Fig. 5;

7 is a schematic structural diagram of a duct provided in an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a control motherboard provided by an embodiment of the present application.

Among them, the main symbols of each accompanying drawing in the figure are:

1-hanging neck body; 11-arc section; 110-air outlet; 12-extension section; 120-air inlet; 13-first via hole; 14-second via hole;

2-motor; 21-spindle;

3-power control unit; 31-control board; 32-control switch; 33-power supply; 34-signal light; 35-wireless communication unit; 36-induction unit;

4-duct; 41-pipe; 42-support frame; 421-support plate; 4210-through hole; 422-support plate; 43-air inlet port; 44-air exhaust port;

5- Fan blades.

Embodiments of the present invention

In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present application.

It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of description, rather than indicating or implying the referred device Or the elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present application, and those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

The terms "first", "second", "third" and "fourth" are only used for convenience of description, and should not be construed as indicating or implying relative importance or implying the number of technical features. "Plurality" means two or more, unless expressly specifically limited otherwise.

For the convenience of description, two coordinate axes that are perpendicular to each other in space are defined as the X axis and the Y axis; meanwhile, the direction along the X axis is the longitudinal direction, and the direction along the Y axis is the transverse direction. The X axis and the Y axis are two coordinate axes that are perpendicular to each other on the same horizontal plane.

Referring to FIG. 1 and FIG. 2 , the small neck-mounted fan provided by the embodiment of the present application will now be described. The small neck-mounted fan includes a hanging neck body 1 arranged in a U shape, a motor 2 and a power control unit 3 respectively installed in the hanging neck body 1 , and a fan blade 5 installed on the main shaft 21 of the motor 2 . The power control unit 3 can be used to drive the motor 2 to work, and then drive the fan blade 5 to rotate through the main shaft 21 . The neck body 1 includes an arc-shaped section 11 and an extension section 12 respectively installed at both ends of the arc-shaped section 11. At least one end of the extension section 12 away from the arc-shaped section 11 is provided with an air inlet 120, and the arc-shaped section 11 is provided with an outlet. The air outlet 110, the air inlet 120 communicates with the air outlet 110. The arc-shaped section 11 can be adapted to the user's neck, and the two extending sections 12 and the arc-shaped section 11 can be clamped, which is convenient for hanging a small neck-mounted fan. The air coming in from the air inlet 120 can be exhausted from the air outlet 110 to cool the user. Among them, the parameters such as the blade shape and the inclination angle of the fan blade 5 can be adjusted according to actual needs, and then the air supply wind speed and rotation speed can be adjusted.

Please refer to FIG. 2 , FIG. 3 and FIG. 5 , the small neck-mounted fan further includes a duct 4 installed in at least one extension section 12 , and the duct 4 is arranged along the length direction of the extension section 12 (the Y axis in FIG. 2 ) The motor 2 and the fan blade 5 are respectively arranged in the duct 4, and the length direction of the main shaft 21 of the motor 2 coincides with the central axis of the duct 4. Wherein, the motor 2 may be set in the duct 4 in whole or in part, which is not limited here. In this structure, by opening the air inlet 120 at the end of the extension section 12 away from the arc-shaped section 11, the duct 4 is arranged along the length direction of the extension section 12, and the duct 4 can be arranged opposite to the air inlet 120; and the main shaft 21 of the motor 2 The length direction of the duct 4 coincides with the central axis of the duct 4 (along the Y-axis direction), and the wind entering from the air inlet 120 can enter the arc-shaped section 11 directly from the fan blade 5 through the length direction of the duct 4, and directly enter the arc section 11 from the air outlet 110. The discharge rate can be increased without changing the wind direction, thereby increasing the wind speed. Compared with the structure in which the traditional blower fan is arranged laterally, the present application arranges the duct 4 along the length direction of the extension section 12 (along the Y-axis direction), thereby reducing the width of the duct 4 in the extension section 12 (along the direction of the Y-axis). The occupied space along the X-axis direction), the width of the extension section 12 can be made small, thereby reducing the overall volume of the small neck-mounted fan. Moreover, the duct 4 can increase the wind speed in a specific direction. Under the same wind speed requirement, the volume of the fan blade 5 and the motor 2 of the present application can be made smaller, which can further reduce the overall volume of the small neck-mounted fan.

In one embodiment, please refer to FIG. 2 and FIG. 7 , as a specific implementation of the small neck-mounted fan provided in the embodiment of the present application, the duct 4 includes a pipe body 41 and a support frame installed in the pipe body 41 42, the motor 2 is installed on the support frame 42; the pipe body 41 includes an air inlet port 43 and an air outlet port 44, the air inlet port 43 is facing the air inlet port 120, and the air outlet port 44 is facing the corresponding end of the arc section 11. In this structure, by arranging the support frame 42 in the pipe body 41, the motor 2 can be supported and fixed. The air inlet port 43 is set facing the air inlet 120, and the exhaust port 44 is positioned facing the air inlet end of the arc section 11, and the wind entering from the air inlet 120 can directly enter the pipe body 41 through the air inlet port 43, And under the guidance of the pipe body 41, the wind is sent into the arc-shaped section 11, which can effectively improve the utilization rate of wind energy and increase the wind speed; moreover, the pipe body 41 will not change the wind direction, and has little influence on the wind speed, compared with the traditional blower type. For the fan, under the same wind speed requirement, the size of the fan blade 5 can be made smaller, thereby reducing the overall volume of the small neck-mounted fan, and the power of the motor 2 can be made smaller, reducing energy consumption.

In some embodiments, a first filter screen (not shown) is installed in the extension section 12 near the air inlet 120 . With this structure, the first filter screen can purify and filter the wind entering the air inlet 120 .

In some embodiments, two ends of the duct 4 are respectively installed with a second filter screen (not shown) and a third filter screen (not shown), the second filter screen is disposed close to the air inlet port 43 , and the third filter screen The mesh is placed adjacent to the exhaust port 44 . With this structure, the air entering the duct 4 can be purified and filtered through the second filter screen; the air discharged from the duct 4 can be purified and filtered through the third filter screen.

In some embodiments, a fourth filter screen (not shown) is installed in the arc section 11 near the air outlet 110 . With this structure, the air exhausted by the small neck-mounted fan can be purified and filtered through the fourth filter, and combined with the first filter, the second filter and the third filter, the air supply quality can be improved, and the air can be effectively filtered. It can remove impurities or toxic substances in it and improve the protection for users. Moreover, the fourth filter screen can prevent external impurities, dust, etc. from entering the inside of the neck body 1 through the air outlet 110 .

In one embodiment, referring to FIGS. 3 and 4 , as a specific implementation of the small neck-mounted fan provided by the embodiment of the present application, the diameter of the exhaust port 44 is larger than the diameter of the intake port 43 . This structure can effectively reduce the wind speed discharged into the arc-shaped section 11, so as to avoid damage to the user due to excessive wind speed.

In some embodiments, the diameter of the exhaust port 44 may also be smaller than or equal to the diameter of the intake port 43 . When the diameter of the air outlet port 44 is equal to the diameter of the air inlet port 43 , the diameter of the pipe body 41 can be kept the same, the air outlet is uniform, and it is also convenient for processing. When the diameter of the air outlet port 44 is smaller than the diameter of the air inlet port 43, the speed of the air outlet can be increased.

In one embodiment, please refer to FIG. 7 , as a specific implementation of the small neck-mounted fan provided by the embodiment of the present application, the support frame 42 includes a support plate 421 for supporting the motor 2 and a connection between the support plate 421 and the pipe body 41 . A plurality of support plates 422 on the inner side wall; two adjacent support plates 422 are arranged at intervals. In this structure, the motor 2 can be locked and fixed on the support plate 421 by screws; the support plate 422 realizes the support and fixation of the support plate 421, thereby realizing the support and fixation of the motor 2; the space area between the two adjacent support plates 422 An air duct can be formed to facilitate wind passing through the pipe body 41 .

In one embodiment, please refer to FIG. 5 and FIG. 7 , as a specific implementation of the small neck-mounted fan provided by the embodiment of the present application, the support plate 421 is provided with a through hole 4210 through which the main shaft 21 passes. This structure, on the one hand, facilitates the positioning and installation of the motor 2;

In some embodiments, the number of support frames 42 is two, and the two support frames 42 are arranged at intervals; one end of the motor 2 is installed on one support frame 42 , and the other end of the motor 2 is installed on the other support frame 42 . With this structure, the support and fixation effect of the motor 2 can be improved through the two support brackets 42 , which facilitates the disassembly and assembly of the motor 2 . In other embodiments, the number of the support frames 42 can be adjusted according to actual needs, which is not limited herein.

In one embodiment, please refer to FIG. 1 and FIG. 2 , as a specific implementation of the small neck-mounted fan provided by the embodiment of the present application, the air outlet 110 is in the shape of a long arc. With this structure, the arc-shaped structure of the air outlet 110 is consistent with the arc-shaped structure of the arc-shaped section 11 , which can increase the air supply area and facilitate processing. In other embodiments, the air outlet 110 may also be a plurality of air exhaust holes arranged at intervals, etc., which is not limited herein.

In one embodiment, please refer to FIG. 1 and FIG. 2 , as a specific implementation of the small neck-mounted fan provided in the embodiment of the present application, an air inlet 120 is opened at one end of each extension section 12 away from the arc section 11 , Each extension section 12 is provided with a duct 4, and each duct 4 is provided with a motor 2 and a fan blade 5 respectively. That is, by arranging the fan and the motor 2 at the two ends of the neck hanging body 1 respectively, the air output of the small neck-mounted fan can be increased, and the cooling efficiency can be improved.

In one embodiment, please refer to FIG. 2 and FIG. 8 , as a specific implementation of the small neck-mounted fan provided by the embodiment of the present application, the power control unit 3 includes a control main board 31 installed in the neck-mounted body 1 , The control switch 32 installed on the control main board 31 and the power supply 33 electrically connected with the control main board 31; In this structure, the power supply 33 can supply power to the control board 31 and the motor 2 respectively; the control switch 32 can control the opening and closing of the small neck-mounted fan. Wherein, a first via hole 13 is formed on the neck body 1 at a position corresponding to the control switch 32 for the control switch 32 to extend out of the neck body 1 .

In one embodiment, please refer to FIG. 2 and FIG. 8 , the power control unit 3 further includes a signal light 34 mounted on the control main board 31 , the signal light 34 is electrically connected to the control main board 31 , and the signal light 34 extends out of the neck body 1 . With this structure, the signal light 34 can display the working state of the small neck-mounted fan. When the signal light 34 is on, it means that the small neck-mounted fan is in a working state; when the signal light 34 is off, it means that the small neck-mounted fan is in a shutdown state. Wherein, a second through hole 14 is formed on the neck body 1 at a position corresponding to the signal lamp 34 for the signal lamp 34 to extend out of the neck body 1 .

In one embodiment, please refer to FIG. 8 , the power control unit 3 further includes a wireless communication unit 35 mounted on the control mainboard 31 , and the wireless communication unit 35 is electrically connected to the control mainboard 31 . With this structure, the wireless communication unit 35 can realize the communication connection with the external terminal, such as realizing wireless local area network connection, Bluetooth connection, etc., to realize the automatic control of the small neck-mounted fan by the external terminal, such as realizing the opening of the small neck-mounted fan. Closing, wind speed adjustment, etc.

In one embodiment, please refer to FIG. 8 , the power control unit 3 further includes an induction unit 36 for collecting external environmental information to control the rotational speed of the motor 2 ; The main board 31 is electrically connected. With this structure, the sensing unit 36 can collect the temperature, humidity and other information of the external environment, and can transmit the information to the control motherboard 31 to realize the adjustment of the rotation speed of the motor 2, and then can adjust the wind speed and air volume adaptively.

In one embodiment, as a specific implementation of the small neck-mounted fan provided in the embodiment of the present application, each extension section 12 and the arc section 11 are detachably connected. This structure, through the detachable connection between the extension section 12 and the arc section 11, facilitates the cleaning of the inside of the neck body 1 and the packaging of the small neck-mounted fan, which can reduce the packaging cost. Wherein, each extension segment 12 and the arc-shaped segment 11 can be fixed by snap connection; alternatively, each extension segment 12 and the arc-shaped segment 11 can also be fixed by screw locking; or, each extension segment 12 and the arc-shaped segment The connection between 11 can be realized by plugging and so on. Of course, in other embodiments, the arc-shaped segment 11 and the two extension segments 12 can be integrally formed. With this structure, the integrally formed hanging neck body 1 has excellent mechanical properties, is easy to manufacture, and has high efficiency.

The above are only optional embodiments of the present application, and are not intended to limit the present application. Various modifications and variations of this application are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the scope of the claims of this application.

Claims

A small neck-mounted fan, comprising a neck body, a motor installed in the neck body, a fan blade installed on the main shaft of the motor, and a power supply control unit electrically connected to the motor, the power supply The control unit is installed in the hanging neck body, and is characterized in that: the hanging neck body includes an arc-shaped section and an extension section respectively installed at both ends of the arc-shaped section, and the extension section is far away from the arc-shaped section. One end is provided with an air inlet, and the arc-shaped section is provided with an air outlet communicating with the air inlet; the small neck-mounted fan also includes a duct installed in the extension section, and the duct runs along the The length direction of the extension section is arranged, the motor and the fan blade are respectively arranged in the duct, and the length direction of the main shaft of the motor coincides with the central axis of the duct.
The small neck-mounted fan according to claim 1, wherein the duct comprises a pipe body and a support frame installed in the pipe body, and the motor is installed on the support frame; The pipe body includes an air inlet port and an air outlet port, the air inlet port is facing the air inlet port, and the air outlet port is facing the corresponding end of the arc-shaped segment.
The small neck-mounted fan according to claim 2, wherein the diameter of the exhaust port is larger than the diameter of the intake port.
The small neck-mounted fan according to claim 2, wherein the support frame comprises a support plate for supporting the motor and a plurality of support plates connecting the support plate and the inner side wall of the pipe body ; The two adjacent support plates are arranged at intervals.
The small neck-mounted fan according to claim 4, wherein a through hole for the main shaft to pass through is formed on the support plate.
A small neck-mounted fan according to claim 4, wherein the number of the support frames is two, and the two support frames are arranged at intervals; one end of the motor is mounted on one of the support frames On the other hand, the other end of the motor is mounted on the other support frame.
The small neck-mounted fan according to any one of claims 1-6, wherein the air outlet is in a long arc-shaped structure.
The small neck-mounted fan according to any one of claims 1-6, wherein the power control unit comprises a control main board installed in the neck hanging body, a control main board installed on the control main board A control switch and a power supply electrically connected to the control mainboard; the control switch is electrically connected to the control mainboard, the power supply is installed in the neck body, and the control mainboard is electrically connected to the motor.
The small neck-mounted fan according to claim 8, wherein the power control unit further comprises a signal light installed on the control main board, the signal light is electrically connected to the control main board, and the signal light is electrically connected to the control main board. Extend the halter body.
The small neck-mounted fan according to claim 8, wherein the power control unit further comprises a wireless communication unit mounted on the control mainboard, and the wireless communication unit is electrically connected to the control mainboard .
The small neck-mounted fan of claim 8, wherein the power control unit further comprises an induction unit for collecting external environmental information to control the rotational speed of the motor; the induction unit is installed in the On the control mainboard, the induction unit is electrically connected with the control mainboard.
The small neck-mounted fan according to any one of claims 1 to 6, wherein the air inlet is opened at one end of each of the extending segments away from the arc-shaped segment, and each of the extending segments is provided with the air inlet. The ducts are provided, and the motors and the fan blades are respectively provided in the ducts.
A small neck-mounted fan according to any one of claims 1 to 6, wherein each of the extending sections and the arc-shaped section is detachably connected.
The small neck-mounted fan according to any one of claims 1-6, wherein the arc-shaped section and the two extending sections are integrally formed.
The small neck-mounted fan according to any one of claims 1-6, wherein a first filter screen is installed in the extending section to block the air inlet.
The small neck-mounted fan according to any one of claims 2-6, wherein a second filter screen is installed in the duct to block the air inlet port, and the second filter screen is close to the Describe the inlet port settings.
The small neck-mounted fan according to any one of claims 2-6, wherein a third filter screen is installed in the duct to block the exhaust port, and the third filter screen is close to the the exhaust port settings.
The small neck-mounted fan according to any one of claims 1-6, wherein a fourth filter screen is installed in the arc-shaped section to block the air outlet.