CN210623149U

CN210623149U - Handheld fan

Info

Publication number: CN210623149U
Application number: CN201921602122.2U
Authority: CN
Inventors: 李自强; 张君明; 陈青青; 李维; 王绪
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-26
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a hand-held type fan, including fan body and handle, handle top and fan body fixed connection set up on the handle and hold detection device, through detecting opening and closing of holding detection device's signal of telecommunication change control fan. Hand-held type fan set up in handle department and hold detection device, through the signal of holding that detects the human body, control the automatic operation of hand-held type fan, the hand-held type fan still is provided with speed adjusting device on the handle, sets for the wind gear through speed adjusting device, it is more simple and convenient to operate, and suitable crowd is more extensive.

Description

Handheld fan

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a hand-held type fan.

Background

When summer is in the past, most people going out carry a fan (usually a folding fan), and when the body feels hot, the fan is used for cooling. Currently, with the development of society and the popularization of electronic products, the conventional fan is replaced by each small handheld fan. Compared with the traditional fan, the wind power is more durable, the fan is not driven by manpower, and the fan is more convenient to carry.

However, there are still some problems in the existing handheld fan, for example, most handheld fans on the market use mechanical or touch keys to realize operation control, and because handheld fans are small in size, the key function integration level is high, and the gear mode switch is controlled by one key, the operation is complex, and children and old people experience poorly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hand-held type fan to solve the technical problem who mentions in the background art.

In order to achieve the above object, the present invention provides a hand-held fan, which comprises:

a handheld fan comprises a fan body and a handle, wherein the top end of the handle is fixedly connected with the fan body, a holding detection device is arranged on the handle, and the handheld fan is controlled to be opened and closed through the holding detection device.

Furthermore, the holding detection device comprises a holding signal sensor arranged on the handle, the holding signal sensor is electrically connected with the controller through a lead, and the controller is arranged in the handle.

Furthermore, the hand-held signal sensor is a flat capacitive sensor, and the on and off of the motor is controlled by detecting the capacitance value change of the capacitive sensor.

Furthermore, the capacitive sensor comprises a substrate, an upper electrode, a lower electrode and an insulating layer arranged between the upper electrode and the lower electrode, wherein the lower electrode is arranged on the substrate, and the upper electrode and the lower electrode are respectively and electrically connected with the controller through leads.

Further, the controller controls the rotation speed of the motor by detecting the capacitance value of the capacitance sensor.

Furthermore, the hand-held signal sensor is a resistance sensor, and the opening and closing of the motor are controlled by detecting an electric signal of the resistance sensor.

Further, the resistance sensor is a resistance screen, the resistance screen comprises a lower electrode arranged on the substrate and an upper electrode arranged on the cover plate, the upper electrode and the lower electrode are oppositely arranged, and photoresist is filled at the edges of the substrate and the cover plate and is cured through ultraviolet light.

Furthermore, the holding detection device further comprises an adjusting knob, the adjusting knob is arranged on the handle and electrically connected with the controller, and the adjusting knob is used for switching the operation mode of the handheld fan.

Furthermore, the handheld fan further comprises a speed regulating device.

Further, the speed adjusting device is an adjusting knob arranged on the handle, the adjusting knob is divided into a plurality of gears, or the speed adjusting device is a key arranged on the side wall of the handle, and the key comprises an air volume increasing key and an air volume reducing key.

The utility model discloses a hand-held type fan has following advantage:

hand-held type fan set up in handle department and hold detection device, through the signal of holding that detects the human body, control the automatic operation of hand-held type fan, the hand-held type fan still is provided with speed adjusting device on the handle, sets for the wind gear through speed adjusting device, it is more simple and convenient to operate, and suitable crowd is more extensive.

Drawings

Fig. 1 is a schematic structural diagram of the handheld fan of the present invention.

The reference numbers in the figures illustrate: 1. a fan body; 2. a motor; 3. a fan blade; 4. an air outlet grid; 5. a handle; 6. a base; 7. adjusting a knob; 8. a grip detection device.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a hand-held fan, including fan body 1 and handle 5, 5 tops of handle and fan body 1 fixed connection, on base 6 was arranged in to 5 bottoms of handle, set up on the handle 5 and hold detection device 8, through opening and closing of the signal of telecommunication change control fan that detects and hold detection device 8.

Fan body 1 includes the casing, and the air outlet department of casing sets up air-out grid 4, and fixed motor 2 on the air-out grid 4 fixes flabellum 3 on motor 2's the output shaft, and motor 2 drives flabellum 3 and rotates in order to produce wind-force.

The handle 5 is cylindrical, the holding detection device 8 comprises a holding signal sensor arranged on the handle 5, the holding signal sensor is electrically connected with the controller through a wire, and the controller is arranged in the handle 5.

The hand-held signal sensor is a flat capacitive sensor, the capacitive sensor comprises a substrate, an upper electrode, a lower electrode and an insulating layer arranged between the upper electrode and the lower electrode, the lower electrode is arranged on the substrate, and the upper electrode and the lower electrode are respectively and electrically connected with a controller through leads. When a user holds the handle 5, the insulating layer deforms to a certain extent under the action of pressure, so that the distance between the upper electrode and the lower electrode changes, the capacitance signal changes, the capacitance value of the capacitance sensor changes to control the motor 2 to be turned on or turned off, structures such as a knob switch do not need to be arranged, and the size of the handheld fan can be reduced.

In another embodiment, the hand-held signal sensor is a resistance sensor, the resistance sensor is a resistance screen, the resistance screen comprises a lower electrode arranged on the substrate and an upper electrode arranged on the cover plate, the upper electrode and the lower electrode are oppositely arranged, the edges of the substrate and the cover plate are filled with photoresist and cured by ultraviolet light, and the upper electrode and the lower electrode are respectively and electrically connected with the controller through leads. When a user holds the handle 5, the upper electrode is contacted with the lower electrode to generate an electric signal, so that the opening and closing of the handheld fan are controlled.

In the prior art, a user is usually required to adjust the air output by the wind speed of the handheld fan, and for the capacitive sensor, the controller controls the rotating speed of the motor 2 by detecting the capacitance value of the capacitive sensor, so as to achieve automatic adjustment of the wind speed.

The holding detection device 8 further comprises an adjusting knob 7, the adjusting knob 7 is arranged on the handle 5, the adjusting knob 7 is electrically connected with the controller, and the adjusting knob 7 is used for switching the operation mode of the handheld fan. The operation mode of the handheld fan comprises a common mode and an intelligent detection mode, wherein in the common mode, a power supply of the handheld fan is switched on, and the motor drives the fan blades to rotate to generate wind power; under the intelligent detection mode, a user holds the handle, and the holding detection device 8 generates an electric signal to control the on-off of the motor.

The hand-held fan further comprises a speed regulating device, the speed regulating device is an adjusting knob 7 arranged on the handle 5, and the adjusting knob 7 is divided into a plurality of gears and used for controlling the rotating speed of the fan. For example, the adjusting knob 7 includes two to four shift positions. The adjusting knob 7 integrates the mode adjusting function and the gear adjusting function of the handheld fan, and the integration level is high.

The speed regulating device can also be a key arranged on the side wall of the handle 5, the key comprises an air volume increasing key and an air volume reducing key, and the rotating speed of the fan is set through the key.

This hand-held type fan sets up in handle 5 department and holds detection device 8, through the signal of holding that detects the human body, controls the automatic operation of hand-held type fan, and hand-held type fan still is provided with speed adjusting device on handle 5, sets for the windscreen through speed adjusting device, and it is more simple and convenient to operate, and it is more extensive to be suitable for the crowd.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a hand-held type fan, includes fan body (1) and handle (5), handle (5) top and fan body (1) fixed connection, its characterized in that sets up on handle (5) and holds detection device (8), and the signal of telecommunication through detecting and holding detection device (8) changes the opening and closing of control hand-held type fan.

2. The hand-held fan according to claim 1, wherein the grip detection means (8) comprises a grip signal sensor disposed on the handle (5), the grip signal sensor being electrically connected to a controller via a wire, the controller being disposed in the handle (5).

3. The handheld fan of claim 2, wherein the hand-held signal sensor is a plate-type capacitance sensor, and the on/off of the motor (2) is controlled by detecting a capacitance value of the capacitance sensor.

4. The hand-held fan of claim 3, wherein the capacitive sensor comprises a substrate, an upper electrode, a lower electrode and an insulating layer disposed between the upper electrode and the lower electrode, the lower electrode is disposed on the substrate, and the upper electrode and the lower electrode are respectively electrically connected to the controller through wires.

5. The hand-held fan according to claim 3, wherein the controller controls the rotation speed of the motor (2) by detecting the magnitude of the capacitance value of the capacitive sensor.

6. The hand-held fan according to claim 2, wherein the hand-held signal sensor is a resistance sensor, and the motor (2) is controlled to be turned on or off by detecting an electrical signal of the resistance sensor.

7. The hand-held fan according to claim 6, wherein the resistive sensor is a resistive screen comprising a lower electrode disposed on a substrate and an upper electrode disposed on a cover plate, the upper and lower electrodes being disposed opposite to each other, edges of the substrate and the cover plate being filled with a photoresist and cured by ultraviolet light.

8. The hand-held fan according to claim 1, characterized in that the grip detection device (8) further comprises an adjusting knob (7), the adjusting knob (7) is arranged on the handle (5), the adjusting knob (7) is electrically connected with the controller, and the adjusting knob (7) is used for switching the operation mode of the hand-held fan.

9. Hand-held fan according to claim 1, characterised in that it further comprises a speed regulation device arranged at the handle (5).

10. The hand-held fan according to claim 9, wherein the speed adjusting device is an adjusting knob (7) provided on the handle (5), the adjusting knob (7) is divided into a plurality of gears, or the speed adjusting device is a key provided on a side wall of the handle (5), and the key includes an air volume increasing key and an air volume decreasing key.