Multifunctional desktop fan

Abstract

Provided is a multifunctional desktop fan that can achieve independent rotation of a multi-layer fan assembly and can also display real-time wind speed and power on a display. 【Solution means】The multifunctional desktop fan includes a base 1, at least two fan assemblies 2 stacked vertically and attached to the base, a first rotation assembly 3 for rotating the fan assembly located at the bottom most and attached to the base, and a second rotation assembly 4 connected to two adjacent fan assemblies.

Description

Technical Field

[0001] The present invention relates to the field of fan technology, and more specifically, to a multi-functional desktop fan.

Background Art

[0002] A desktop fan is a common small household electrical appliance. Usually, it is placed on a desktop and used mainly in summer to provide a gentle breeze, help relieve heat and dissipate heat. However, the function of the current desktop fan can only perform a single blowing action, and there are no other practical functions.

Summary of the Invention

Problems to be Solved by the Invention

[0003] The purpose of the present invention is to provide a multi-functional desktop fan that can realize the independent rotation of a multi-layer fan assembly and can also view the real-time wind speed and battery level on a display.

Means for Solving the Problems

[0004] A multi-functional desktop fan according to the present invention, a base, at least two fan assemblies stacked vertically and mounted on the base, a first rotation assembly mounted on the base for rotating the lowermost fan assembly, and a second rotation assembly connected to two adjacent fan assemblies, each fan assembly includes, a protective housing with a plurality of air outlets, a fan body mounted in the protective housing and provided with a first end and a second end along its axial direction, a first protective plate longitudinally mounted on the first end of the fan body, and a second protective plate longitudinally mounted on the second end of the fan body. A first reinforcing plate laterally attached to the first protection plate; A second reinforcing plate laterally attached to the second protection plate and provided opposite to the first reinforcing plate; A fan motor attached to the first protection plate, to which power is connected, and whose output shaft is coaxially connected to the fan body; The first protection plate, the second protection plate, the first reinforcing plate, and the second reinforcing plate are all located within the protection frame.

[0005] During actual use, the fan motor drives the fan body to operate. Since there are at least two layers of fan assemblies 2, the independent rotation operations of each layer of fan assemblies 2 can be satisfied, mainly realized by the first rotation assembly 3 and the second rotation assembly 4. Similarly, the protection housing, the first protection plate, the second protection plate, the first reinforcing plate, and the second reinforcing plate can well protect the fan body.

[0006] Furthermore, the base includes a corresponding upper housing and a lower housing connected, and an attachment space is left between the upper housing and the lower housing.

[0007] Furthermore, the first rotation assembly A first rolling bearing attached to the bottom of the upper housing and coaxially connected to the lowermost protection housing; A stepping motor whose output shaft is connected corresponding to the first rolling bearing; A through hole is opened in the upper housing for coaxially connecting the first rolling bearing and the lowermost protection housing.

[0008] Furthermore, the second rotation assembly Includes two second rolling bearings correspondingly attached to the opposing surfaces of two adjacent protection housings and coaxially connected.

[0009] Furthermore, the power supply is installed within the attachment space, and the stepping motor is connected to the power supply.

[0010] Furthermore, the multi-functional desktop fan further includes a display for displaying the wind speed of the fan body and the power supply level.

[0011] Furthermore, the fan motor is a brushless motor.

Brief Description of the Drawings

[0012]

Figure 1

Figure 2

Modes for Carrying Out the Invention

[0013] To enable those skilled in the art to better understand the aspects of the present application, the following will clearly and completely describe the embodiments of the present application in relation to the drawings in the embodiments of the present application. However, it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative labor shall fall within the protection scope of the present application.

[0014] Combining FIGS. 1 and 2 shows the multi-functional desktop fan of the present invention. This multi-functional desktop fan includes a base 1, at least two fan assemblies 2 stacked vertically and mounted on the base 1, a first rotation assembly 3 mounted on the base 1 for rotating the fan assembly 2 located at the lowermost position, and a second rotation assembly 4 connected to two adjacent fan assemblies 2. Each fan assembly 2 includes a protective housing 201 with a plurality of air outlets 6 opened, A fan body 202 is installed inside the wind protection housing 201 and is provided with a first end and a second end along the axial direction, A first protection plate 203 vertically attached to the first end of the fan body 202, A second protection plate 204 vertically attached to the second end of the fan body 202, A first reinforcement plate 205 horizontally attached to the first protection plate 203, A second reinforcement plate 206 horizontally attached to the second protection plate 204 and provided opposite to the first reinforcement plate 205, Including a fan motor 207 attached to the first protection plate 203, to which power is connected and whose output shaft is coaxially connected to the fan body 202, The first protection plate 203, the second protection plate 204, the first reinforcement plate 205, and the second reinforcement plate 206 are all located within the protection frame.

[0015] During actual use, the fan motor 207 drives the fan body 202 to operate. Since there are at least two layers of fan assemblies 2, the independent rotational operations of each layer of fan assembly 2 can be satisfied, which is mainly realized by the first rotating assembly 3 and the second rotating assembly 4. Similarly, the protection housing 201, the first protection plate 203, the second protection plate 204, the first reinforcement plate 205, and the second reinforcement plate 206 can well protect the fan body 202.

[0016] The base 1 includes a corresponding upper housing 101 and a lower housing 102, and an attachment space is left between the upper housing 101 and the lower housing 102.

[0017] The first rotating assembly 3 A first rolling bearing 301 attached to the bottom of the upper housing 101 and coaxially connected to the lowermost protection housing 201, Including a stepping motor 302 whose output shaft is connected corresponding to the first rolling bearing 301, A through hole is opened in the upper housing 101 for coaxially connecting the first rolling bearing 301 and the lowermost protection housing 201.

[0018] The second moving assembly 4 is correspondingly mounted on the opposing surfaces of two adjacent protective housings 201, and includes two second rolling bearings 401 that are coaxially connected.

[0019] The power supply is mounted within the mounting space, and the stepping motor 302 is connected to the power supply.

[0020] The multi-functional desktop fan further includes a display 5 for displaying the wind speed and power supply level of the fan body 202.

[0021] However, the display 5 is used to display the wind speed and power supply level of the fan body 202, and first needs to be equipped with the following related elements.

[0022] Data collection module Wind speed sensor: Used to measure the wind speed. Common wind speed sensors include cup anemometers, propeller anemometers, ultrasonic anemometers, etc. The cup anemometer calculates the wind speed by measuring the rotation speed of the cups. It has a simple structure and low price, but low measurement accuracy. There is also a power level detection module for detecting the power level of the battery or power supply. This can also be achieved by measuring parameters such as voltage and current. For example, in a device that supplies power to a battery, the battery voltage can be measured to determine the power level.

[0023] Data processing unit Microcontroller (MCU) or microcomputer: Receives data from the wind speed sensor and power level detection module, performs processing (amplification, filtering, calculation, etc.), and is used to convert the processed data into a format that can be recognized by the display.

[0024] Connection and communication unit Data line: Connects the display, data collection module, and data processing unit, and is used to achieve data transmission.

[0025] Interface Circuit: If the interfaces between the display, the data collection module, and the data processing unit do not match, an additional interface circuit for conversion may be required.

[0026] Power Supply Power Supply Module: Supplies a stable power supply to the entire system. Selects an appropriate power supply module according to the power demand and power type (e.g., DC, AC) of the system.

[0027] Auxiliary Element Passive Elements such as Resistors and Capacitors: Used for circuit filtering, voltage stabilization, etc.

[0028] Keys or Touch Screen (Optional): Used for setting display parameters and switching display modes.

[0029] All of the above elements are connected to the power supply.

[0030] The above are only preferred embodiments of this application. Without departing from the principle of this application, those skilled in the art can make some improvements and refinements, and these improvements and refinements should also be regarded as within the protection scope of this application.

Description of Reference Signs

[0031] In the drawings, 1 - Base 101 - Upper Housing 102 - Lower Housing 2 - Fan Assembly 201 - Protective Housing 202 - Fan Body 203 - First Protective Plate 204 - Second Protective Plate 205 - First Reinforcing Plate 206 - Second Reinforcing Plate 207 - Fan Motor 3 - First Rotary Assembly 301 - First Rolling Bearing 302 - Stepping Motor 4 - Second Rotating Assembly 401 - Second Ball Bearing 5 - Display 6 - Air Outlet.

Claims

1. A multi-function desktop fan, With the base, at least two fan assemblies mounted on the base in a stacked manner; a first rotating assembly attached to the base for rotating the lowermost fan assembly; a second rotating assembly connected to two adjacent said fan assemblies; Each fan assembly is A protective housing that can open multiple air outlets; a fan body mounted within the protective housing and having a first end and a second end along an axial direction of the fan body; a first protective plate attached vertically to a first end of the fan body; a second protective plate attached vertically to a second end of the fan body; a first reinforcing plate attached laterally to the first protective plate; a second reinforcing plate attached laterally to the second protective plate and provided opposite the first reinforcing plate; a fan motor attached to the first protective plate, connected to a power source, and having an output shaft coaxially connected to the fan body, The first protective plate, the second protective plate, the first reinforcing plate and the second reinforcing plate are all located within the protective frame.

2. The multi-function desktop fan as claimed in claim 1 , wherein the base includes an upper housing and a lower housing which are correspondingly connected, and a mounting space is left between the upper housing and the lower housing.

3. The first pivot assembly includes: a first rolling bearing attached to a bottom of the upper housing and coaxially connected to the lowermost protective housing; a stepping motor having an output shaft connected to the first rolling bearing, 3. The multi-function desktop fan according to claim 2, wherein the upper housing has a through hole for coaxially connecting the first rolling bearing and the lowermost protective housing.

4. The second pivot assembly includes:

4. The multi-function desktop fan according to claim 3, further comprising two second rolling bearings respectively mounted on opposing surfaces of two adjacent protective housings and coaxially connected thereto.

5. The multi-function desktop fan as claimed in claim 4, wherein the power supply is mounted in the mounting space, and the stepping motor is connected to the power supply.

6. 6. The multi-function desktop fan as claimed in claim 5, further comprising a display for displaying the wind speed of the fan body and the power supply amount.

7. The multi-function desktop fan as claimed in claim 5, wherein the fan motor is a brushless motor.

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