WO2020107906A1

WO2020107906A1 - Fan

Info

Publication number: WO2020107906A1
Application number: PCT/CN2019/097276
Authority: WO
Inventors: 黄少杰; 王勇; 陈宇强; 黄燕宁; 韦成; 麦焕; 杨光霁
Original assignee: 珠海格力电器股份有限公司
Priority date: 2018-11-26
Filing date: 2019-07-23
Publication date: 2020-06-04
Also published as: CN109372778A

Abstract

Disclosed is a fan, comprising a mesh cover (10), a display portion (20), an electricity generation portion (30), and a driving portion (40), wherein the display portion (20) is provided on the mesh cover (10), the electricity generation portion (30) is provided inside the mesh cover (10) and connected to the display portion (20) for supplying power to the display portion (20), and the driving portion (40) is used to drive an electricity generation element of the electricity generation portion (30) to move, in order to generate electricity by means of the electricity generation portion. The fan solves the problem of providing a display portion powered by a battery on the mesh cover in the prior art, thereby reducing the usage cost and improving the user experience.

Description

fan

Technical field

The invention relates to the technical field of household appliances, in particular, to a fan.

Background technique

The display part of the fan is usually set on the base or the body of the fan. The user needs to look down or lean over to observe the display part or perform human-computer interaction operations, which easily causes discomfort to the user and seriously affects the user's experience.

In order to facilitate the user's observation or human-computer interaction, the display part is set on the net cover, but in the related art, the display part is usually powered by a battery. In this way, the user also needs to regularly replace the battery or charge the battery, resulting in a fan The use cost increases, which reduces the user's favorable experience of using.

Summary of the invention

The main purpose of the present invention is to provide a fan to solve the problem that the display part provided on the net cover in the prior art is powered by a battery, which results in an increase in the use cost of the fan and reduces the user's favorable experience of the experience.

In order to achieve the above object, the present invention provides a fan, including: a net cover; a display section, the display section is provided on the net cover; a power generation section, the power generation section is provided in the net cover, and is connected to the display section for display Power supply; drive unit, used to drive the power generation element of the power generation unit to move, so that the power generation unit generates electrical energy.

Further, the power generating part includes a motor, and the power generating element is a rotor rotating shaft of the motor; the driving part includes a wind supply motor and an active wind blade, wherein the wind supply motor drives the active wind blade to rotate, so that the fan blows air, and the wind supply motor and the rotor The rotating shaft is connected to drive the rotating shaft of the rotor to rotate.

Further, the end face of the rotor shaft facing the wind supply motor has a first clamping structure, and the end face of the output shaft of the wind supply motor opposite to the motor is provided with a second clamping structure, the first clamping structure and the second card The connection structure is clamped so that the output shaft drives the rotor shaft to rotate synchronously.

Further, the first clamping structure is a clamping groove, and the second clamping structure is a clamping protrusion.

Further, the power generating section includes a motor and a driven fan blade, the driven fan blade is drivingly connected to the rotor shaft of the motor, and the power generating element is a driven fan blade; the drive unit includes a wind supply motor and an active fan blade, wherein the wind supply motor drives The active fan blade rotates to make the fan supply air, and the active fan blade is arranged opposite to the driven fan blade to drive the driven fan blade to rotate.

Further, the display portion has an installation space and an escape hole communicating with the installation space, the motor is installed in the installation space, and the rotor shaft extends from the escape hole.

Further, the display portion includes a mounting tube, a display panel, and a back panel. The display panel and the back panel are respectively disposed at both ends of the mounting tube. The mounting tube, the display panel, and the back panel enclose an installation space.

Further, the net cover includes a front net, a display opening is opened at a central position of the front net, and a display panel is located at the display opening.

Further, the net cover further includes a rear net, and a through hole is formed in the rear net, and the output shaft of the wind power generator passes through the through hole and extends into the net cover.

Further, the fan further includes: a motor bracket, the wind supply motor is set on the motor bracket; a motherboard, the motherboard is installed on the motor bracket, a wireless transmission module is provided on both the motherboard and the display panel, and the motherboard and the display panel are communicatively connected through the wireless transmission module .

Further, the fan further includes: a motor cover, which is covered on the outside of the air supply motor, the motor bracket, and the main board.

Further, the fan further includes a battery, and the power generation unit is connected to the display unit through the battery.

Applying the technical solution of the present invention, the driving part of the fan drives the power generating element of the power generating part to generate electric energy for the power generating part to supply power to the display part provided on the net cover. During use, the fan provided by this application can use the drive unit and the power generation unit to automatically supply power to the display unit without replacing the battery, avoiding the situation that the fan cannot be used due to the battery being empty and too late to replace, thereby reducing The use cost of the electric fan is ensured, and the continuous battery life of the display part is ensured, and the user experience of the electric fan is improved.

BRIEF DESCRIPTION

The accompanying drawings forming part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation on the present invention. In the drawings:

FIG. 1 shows a schematic structural diagram of a fan according to Embodiment 1 of the present invention;

FIG. 2 shows an enlarged schematic view at A in FIG. 1;

FIG. 3 shows an exploded schematic view of the fan of FIG. 1;

4 shows a schematic structural view of the motor of the fan of FIG. 1;

FIG. 5 shows a schematic structural view of the air supply motor of the fan of FIG. 1;

6 shows a schematic structural diagram of a power supply part of a fan according to Embodiment 2 of the present invention.

Among them, the above drawings include the following reference signs:

10. Net cover; 11, front net; 111, display opening; 12, rear net; 121, through hole; 20, display part; 21, installation space; 22, avoid hole; 23, installation tube; 24, display panel; 25. Backplane; 30. Power generation unit; 31. Motor; 311. Rotor shaft; 312. Clamping groove; 313. Output end; 32. Driven fan blade; 40. Drive unit; 41. Air supply motor; 411 1. Output shaft; 412. Clamping protrusion; 42. Active fan blade; 50. Motor bracket; 60. Main board; 70. Motor cover; 71. Give way opening.

detailed description

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. The following description of at least one exemplary embodiment is actually merely illustrative, and in no way serves as any limitation on the invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

In order to solve the problem that the display part provided on the net cover in the prior art is powered by a battery, which results in an increase in the use cost of the fan and reduces the user's favorable experience of the use experience, the present invention provides a fan.

This application provides two specific embodiments, which will be described in detail below.

Example one

As shown in FIGS. 1 to 5, the fan includes a net cover 10, a display section 20, a power generating section 30 and a driving section 40, wherein the display section 20 is provided on the net cover 10, and the power generating section 30 is provided in the net cover 10, and The display unit 20 is connected to supply power to the display unit 20; the driving unit 40 is used to drive the power generating elements of the power generating unit 30 to move, so that the power generating unit 30 generates electrical energy.

In the present application, the driving unit 40 of the fan drives the power generating elements of the power generating unit 30 to generate electrical energy to power the display unit 20 provided on the grille 10. During use, the fan provided by this application can use the drive unit 40 and the power generation unit 30 to automatically supply power to the display unit 20 without replacing the battery, to avoid the situation that the fan cannot be used due to the battery being empty and too late to replace. Therefore, the use cost of the electric fan is reduced, the continuous battery life of the display unit 20 is ensured, and the user experience of the electric fan is improved.

As shown in FIGS. 1 and 2, the power generating unit 30 includes a motor 31, and the power generating element is a rotor shaft 311 of the motor 31; the driving unit 40 includes a wind supply motor 41 and an active wind blade 42, wherein the wind supply motor 41 drives the active wind blade 42 rotates to blow the fan, and the air supply motor 41 is also connected to the rotor rotating shaft 311 to drive the rotor rotating shaft 311 to rotate, the rotor rotating shaft 311 rotates to change the magnetic flux in the coil to generate an induced electromotive force, so that the power generation section 30 generates electrical energy To supply power to the display unit 20. The present application optimizes the structure of the fan, and uses the air supply motor 41 of the electric fan to drive the active fan blades 42 and the rotor shaft 311 to rotate synchronously, while supplying the fan with air, and supplying power to the display unit 20.

Optionally, the end surface of the rotor rotating shaft 311 facing the wind supply motor 41 has a first clamping structure, and the end surface of the output shaft 411 of the wind supply motor 41 opposite to the motor 31 is provided with a second clamping structure. The connection structure and the second clamping structure are engaged, so that the output shaft 411 drives the rotor shaft 311 to rotate synchronously.

As shown in FIGS. 2, 4 and 5, the first clamping structure is a clamping groove 312, and the second clamping structure is a clamping protrusion 412.

In an unillustrated embodiment of the present application, the first clamping structure is a clamping protrusion, and the second clamping structure is a clamping groove.

In the fan provided in the first embodiment of the present application, the output shaft 411 of the air supply motor 41 is directly connected to the rotor rotating shaft 311 of the motor 31 to convert kinetic energy into electrical energy to supply power to the display unit 20. In this way, the structure of the fan is reliable, the wiring is simple and the operation is stable, and the endurance of the display unit 20 is strong.

As shown in FIG. 4, the electric energy generated by the motor 31 is connected to the display unit 20 through the output terminal 313.

As shown in FIG. 2, the display unit 20 has an installation space 21 and an escape hole 22 communicating with the installation space 21. The motor 31 is installed in the installation space 21. The rotor shaft 311 extends from the escape hole 22 and communicates with the air supply motor 41. The output shaft 411 is connected. In this way, by installing the motor 31 in the installation space 21, the space occupied by the motor 31 is saved, thereby facilitating the miniaturization design of the fan.

As shown in FIG. 2, the display unit 20 includes a mounting tube 23, a display panel 24 and a back plate 25. The display panel 24 and the back plate 25 are provided at both ends of the mounting tube 23 respectively. The mounting tube 23, the display panel 24 and the back plate 25围成Installation space 21

As shown in FIGS. 2 and 3, the net cover 10 includes a front net 11, a display opening 111 is opened at a center position of the front net 11, and a display panel 24 is located at the display opening 111. The display unit 20 is installed on the front net 11, and the display panel 24 is located at the display opening 111, which is convenient for the user to observe or perform human-computer interaction. The fan provided by the present application effectively utilizes the internal space of the front net 11, which improves the fan's aesthetic appearance and user experience.

As shown in FIGS. 2 and 3, the net cover 10 further includes a rear net 12, and a rear hole 12 is formed in the rear net 12, and the output shaft 411 of the wind motor 41 passes through the through hole 121 and extends into the net cover 10. The blade 42 is sleeved on the output shaft 411 of the wind supply motor 41 and is located between the front net 11 and the rear net 12. The output shaft 411 extending into the net cover 10 is also connected to the output net 411 between the front net 11 and the rear net 12. The rotor rotating shaft 311 of the motor 31 is connected, and the output shaft 411 of the supply motor 41 drives the rotor rotating shaft 311 of the motor 31 and the active fan 42 to rotate synchronously.

As shown in FIGS. 1 and 3, the fan further includes a motor bracket 50 and a motherboard 60. The air supply motor 41 is disposed on the motor bracket 50. The motherboard 60 is installed on the motor bracket 50. Both the motherboard 60 and the display panel 24 are provided with wireless For the transmission module, the main board 60 and the display panel 24 are communicatively connected via a wireless transmission module. In this way, the user performs a human-machine interactive operation through the display panel 24, and the display panel 24 is communicatively connected to the main board 60, thereby controlling the working state of the air supply motor 41 through the main board 60.

It should be noted that the main board 60 is connected with a power cord and is connected to the mains to realize power supply.

Optionally, buttons are provided on the display panel 24, and the user inputs information through the buttons to perform information interaction with the main board 60.

Optionally, the display panel 24 is used to display information such as the air supply mode of the fan.

As shown in FIGS. 1 and 3, the fan further includes a motor cover 70 that covers the outside of the air supply motor 41, the motor bracket 50, and the main board 60, thereby protecting the air supply motor 41, the motor bracket 50, and the main board 60, Improve the appearance and service life of the fan.

As shown in FIGS. 2 and 3, the motor cover 70 has a yield opening 71, which is opposite to the via 121, and the rear net 12 is connected to the motor cover 70, wherein the yield opening 71 is used to avoid the air supply motor 41's output shaft 411.

Optionally, the fan further includes a battery, and the power generation unit 30 is connected to the display unit 20 through the battery. In this way, the power generation section 30 can store the generated electrical energy in the battery to supply power to the display section 20 immediately after the fan starts.

Example 2

The difference from the first embodiment is that, as shown in FIG. 6, the power generation unit 30 includes a motor 31 and a driven blade 32. The driven blade 32 is drivingly connected to the rotor shaft 311 of the motor 31, and the power generating element is the driven blade 32 ; The drive section 40 includes an air supply motor 41 and an active fan blade 42, wherein the air supply motor 41 drives the active fan blade 42 to rotate to blow the fan, and the active fan blade 42 and the driven fan blade 32 are disposed opposite to drive The driven fan blade 32 rotates. In this way, the output shaft 411 of the air supply motor 41 drives the active blade 42 to rotate, the active blade 42 drives the driven blade 32 to rotate, and the driven blade 32 drives the rotor shaft 311 to rotate, and the rotor shaft 311 rotates to generate magnetic flux in the coil The induced electromotive force is generated by the change, so that the power generation unit 30 generates electric energy to supply power to the display unit 20.

The fan provided in the second embodiment of the present application uses wind energy generated by the rotation of the active blades 42 to generate electricity, so that the output shaft 411 of the wind supply motor 41 does not need to be directly connected to the rotor shaft 311 of the motor 31, and the motor 31 and The position of the air supply motor 41.

The fan provided by the present application can use the power generation unit 30 and the drive unit 40 to automatically generate electricity, thereby effectively supplying power to the display unit 20, and at the same time, without affecting the normal operation of the active fan blade 42, the display unit 20 has strong endurance.

It should be noted that the terminology used herein is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and/or "including" are used in this specification, they indicate There are features, steps, operations, devices, components, and/or combinations thereof.

Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods and equipment known to those of ordinary skill in the related art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorized specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that similar reference numerals and letters indicate similar items in the following drawings, so once an item is defined in one drawing, there is no need to discuss it further in subsequent drawings.

In the description of the present invention, it should be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top and bottom" indicate the orientation Or the positional relationship is usually based on the orientation or positional relationship shown in the drawings, just to facilitate the description of the present invention and simplify the description, in the case of no contrary description, these orientation words do not indicate and imply that the device or element It must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the scope of protection of the present invention; the orientation words "inside and outside" refer to inside and outside relative to the contour of each component itself.

For ease of description, spatial relative terms can be used here, such as "above", "above", "above", "above", etc., used to describe as shown in the figure The spatial relationship between a device or feature shown and other devices or features. It should be understood that spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the device described in the figures. For example, if a device in the drawing is turned upside down, a device described as "above another device or configuration" or "above another device or configuration" will then be positioned "below other device or configuration" or "in Under other devices or structures". Thus, the exemplary term "above" may include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or at other orientations), and the relative description of the space used here is explained accordingly.

In addition, it should be noted that the use of "first", "second" and other words to define parts is only to facilitate the distinction between the corresponding parts. Unless otherwise stated, the above words have no special meaning, so they cannot be understood In order to limit the protection scope of the present invention.

It should be noted that the terminology used herein is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and/or "including" are used in this specification, they indicate There are features, steps, jobs, devices, components, and/or combinations thereof.

It should be noted that the terms “first” and “second” in the description and claims of the present application and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way are interchangeable under appropriate circumstances so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

A fan, characterized in that it includes:

Net cover (10);

A display unit (20), the display unit (20) is provided on the net cover (10);

A power generating part (30), the power generating part (30) is provided in the net cover (10), and is connected with the display part (20), and is used for supplying power to the display part (20);

A driving part (40) is used to drive the power generating element of the power generating part (30) to move so that the power generating part (30) generates electrical energy.
The fan according to claim 1, characterized in that

The power generation part (30) includes a motor (31), and the power generation element is a rotor shaft (311) of the motor (31);

The driving part (40) includes an air supply motor (41) and an active fan (42), wherein the air supply motor (41) drives the active fan (42) to rotate so that the fan sends air , The wind supply motor (41) is also connected to the rotor shaft (311) to drive the rotor shaft (311) to rotate.
The fan according to claim 2, characterized in that the end surface of the rotor shaft (311) facing the wind supply motor (41) has a first clamping structure, and the output of the wind supply motor (41) A second clamping structure is provided on an end surface of the shaft (411) opposite to the motor (31), and the first clamping structure and the second clamping structure are clamped to make the output shaft (411) ) Drives the rotor shaft (311) to rotate synchronously.
The fan according to claim 3, wherein the first clamping structure is a clamping groove (312), and the second clamping structure is a clamping protrusion (412).
The fan according to claim 1, characterized in that

The power generating part (30) includes a motor (31) and a driven fan blade (32), the driven fan blade (32) is drivingly connected to the rotor shaft (311) of the motor (31), and the power generating element For the driven wind blade (32);

The driving part (40) includes an air supply motor (41) and an active fan (42), wherein the air supply motor (41) drives the active fan (42) to rotate so that the fan sends air And the active fan blade (42) is disposed opposite to the driven fan blade (32) to drive the driven fan blade (32) to rotate.
The fan according to claim 2 or 5, characterized in that the display portion (20) has an installation space (21) and an escape hole (22) communicating with the installation space (21), and the motor (31 ) Is installed in the installation space (21), and the rotor rotating shaft (311) protrudes from the escape hole (22).
The fan according to claim 6, characterized in that the display portion (20) includes a mounting tube (23), a display panel (24) and a back plate (25), the display panel (24) and the back Plates (25) are respectively provided at both ends of the mounting barrel (23), the mounting barrel (23), the display panel (24) and the back plate (25) enclose the mounting space (21) .
The fan according to claim 7, characterized in that the net cover (10) includes a front net (11), a display opening (111) is opened at a central position of the front net (11), and the display panel (24) Located at the display opening (111).
The fan according to claim 7, characterized in that the net cover (10) further includes a rear net (12), and the rear net (12) is provided with a through hole (121), and the wind supply motor ( The output shaft (411) of 41) extends into the net cover (10) through the via hole (121).
The fan according to claim 7, wherein the fan further comprises:

A motor bracket (50), the wind supply motor (41) is disposed on the motor bracket (50);

A main board (60), the main board (60) is installed on the motor bracket (50), a wireless transmission module is provided on both the main board (60) and the display panel (24), and the main board (60) Communicate with the display panel (24) through the wireless transmission module.
The fan according to claim 10, wherein the fan further comprises:

A motor cover (70), the motor cover (70) covers the outside of the air supply motor (41), the motor bracket (50) and the main board (60).
The fan according to claim 1, characterized in that the fan further includes a battery, and the power generation unit (30) is connected to the display unit (20) through the battery.