CN214258245U

CN214258245U - Hair drier

Info

Publication number: CN214258245U
Application number: CN202021833975.XU
Authority: CN
Inventors: 黄奖华
Original assignee: Shenzhen Jinjia Electronics Co ltd
Current assignee: Shenzhen Jinjia Electronics Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-09-24
Anticipated expiration: 2030-08-27

Abstract

A hair drier comprises a shell, wherein the shell comprises an air duct and a handle, and the air duct is used for exhausting air; the touch control display module is arranged on the handle and used for receiving instructions input by a user and displaying the working state of the blower; the anti-falling sensor is used for sensing the motion state of the blower and triggering the blower to be powered off. Because the blower is provided with the anti-falling sensor, when a user carelessly holds the handle without hands, and the blower falls, the anti-falling sensor can trigger the blower to be powered off, so that safety accidents caused by the blower can be avoided.

Description

Hair drier

Technical Field

The invention relates to the field of household appliances, in particular to a hair drier.

Background

The hair dryer is an essential electric appliance in life. The existing hair dryers work by being connected with a power supply, and are also called hair dryers, when people hold the hair dryers by hands to dry hair, the hair dryers sometimes fall off carelessly due to hand sliding or other reasons, the fallen hair dryers can work, and hot air can cause own or other people to be scalded due to the fact that the air outlet temperature for blowing the hair is high, so that potential safety hazards are caused.

Therefore, it is desirable to provide a hair dryer that can ensure safety in use of the hair dryer.

Disclosure of Invention

The invention aims to provide a hair drier which can reduce potential safety hazards caused by the hair drier.

According to a first aspect, there is provided in one embodiment a hair dryer comprising:

the air duct is used for discharging air;

the touch control display module is arranged on the handle and used for receiving instructions input by a user and displaying the working state of the blower;

the anti-falling sensor is used for sensing the motion state of the blower and triggering the blower to be powered off.

Optionally, the device further comprises a negative ion generator for generating negative ions.

Optionally, the system further comprises a controller, configured to adjust the air outlet temperature, the air speed, and the anion concentration according to an instruction received by the touch display module; the touch display module and the negative ion generator are electrically connected with the controller.

Optionally, the touch display module includes a capacitive touch screen, a capacitive touch operation chip and a display screen, and the capacitive touch screen is electrically connected to the controller through the capacitive touch operation chip; the controller is also electrically connected with the display screen; the capacitance touch operation chip is used for detecting capacitance value information between a human body and the capacitance touch screen and transmitting the capacitance value information to the controller; the capacitance value information comprises coordinates of the touch point and/or a capacitance value of the touch point, and the controller adjusts the air outlet temperature, the air speed and the anion concentration according to the capacitance value information.

Optionally, the temperature detection module is further included, and is used for monitoring the air outlet temperature of the air duct in the working process of the blower.

Optionally, the temperature detection module includes at least one temperature sensor, and the fall protection sensor includes an acceleration sensor or an infrared sensor.

Optionally, the portable electric tool further comprises a power switch key arranged on the handle, and the power switch key is used for controlling the on and off of the power supply.

Optionally, the air inlet of the blower is arranged at the bottom end of the handle.

Optionally, the air inlet is an inverted cone, a plurality of small holes are formed in the cone, and the air inlet prevents hairs from being rolled in during air inlet.

Optionally, the handle is a multi-surface cylinder, and the touch display module is disposed on one of the planes of the handle.

According to the hair drier of the embodiment, the hair drier comprises a shell, wherein the shell comprises an air duct and a handle, and the air duct is used for exhausting air; the touch control display module is arranged on the handle and used for receiving instructions input by a user and displaying the working state of the blower; the anti-falling sensor is used for sensing the motion state of the blower and triggering the blower to be powered off. Because the blower is provided with the anti-falling sensor, when a user carelessly holds the handle without hands, and the blower falls, the anti-falling sensor can trigger the blower to be powered off, so that safety accidents caused by the blower can be avoided.

Drawings

Fig. 1 is a schematic front view of a blower according to an embodiment of the present invention;

FIG. 2 is a schematic side view of a blower according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a handle of a hair dryer according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a blower circuit according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

According to the hair drier provided by the embodiment of the invention, the touch display module is used for receiving the instruction input by the user and displaying the working state of the hair drier, so that the user can visually see the working state of the hair drier and can adjust the hair drier more conveniently, the hair drier is also provided with the anti-falling sensor which can sense the movement state of the hair drier, and when the user carelessly does not hold the handle by hand and falls off the hair drier, the anti-falling sensor can trigger the hair drier to be powered off, so that safety accidents caused by the hair drier can be avoided, and the use safety of the hair drier is ensured.

Referring to fig. 1 and 2, the present embodiment provides a hair dryer, which includes a housing, the housing includes an air duct 10 and a handle 20, the air duct 10 is used for exhausting air, and the hair dryer further includes a touch display module 30 disposed on the handle 20, the touch display module 30 is used for receiving an instruction input by a user and displaying a working state of the hair dryer. Referring to fig. 4, the hair dryer further includes a falling prevention sensor 300, and the falling prevention sensor 300 can sense the movement state of the hair dryer to trigger the hair dryer to be powered off.

The falling prevention sensor 300 in this embodiment may include an acceleration sensor, and determine whether the blower is in a weightlessness state by detecting the acceleration of the blower, and if the blower falls carelessly, the blower will be in the weightlessness state, and at this time, the falling prevention sensor 300 may detect the acceleration of gravity of the blower, so as to trigger a power-off mechanism, to cut off the power of the blower, and to ensure the safety in use.

In other embodiments, the falling prevention sensor 300 may include an infrared sensor, which detects infrared rays of a human body to determine whether to disengage from a finger or a palm of a user, and when determining to disengage from the finger or the palm of the user, the blower is powered off, thereby ensuring safety of use. An infrared sensor may be provided on the handle 20 to facilitate detection of a distance to a finger or palm.

In this embodiment, still be equipped with anion generator 102 in the hair-dryer, anion generator 102 is used for producing the anion, because dust in the atmosphere, dust etc. have certain electropositivity, and the anion takes electronegativity, when dust, granule such as dust have met the anion, can positive negative phase suction, the pollutant agglomerates, the quality and the volume increase of pollutant, will subside to ground under the effect of gravity, reach air-purifying's effect, the in-process of having avoided blowing hair is because the effect of air current, make the granule pollutant in the air get into the human body through breathing, thereby avoid blowing the harmful particulate matter in the hair in-process suction air and cause the harm to health. Therefore, the negative ion generator 102 makes it more comfortable for a user to blow hair using the hair dryer.

In this embodiment, the hair dryer further includes a controller 100, and the controller 100 is configured to adjust the temperature, the wind speed, and the anion concentration of the outlet air according to the instruction received by the touch display module 30. The touch display module 30 and the anion generator 102 are electrically connected to the controller 100.

In this embodiment, the touch display module 30 may include a capacitive touch screen, a capacitive touch operation chip 202 and a display screen. The capacitive touch screen is electrically connected with the controller 100 through a capacitive touch operation chip 202; the capacitive touch operation chip 202 is configured to detect capacitance value information between a human body and the capacitive touch screen, and transmit the capacitance value information to the controller 100, where the controller 100 is further electrically connected to a display screen. Since the capacitance information includes coordinates of the touch point and/or a capacitance value of the touch point, the controller 100 may adjust the outlet air temperature, the air speed, and the anion concentration according to the capacitance information.

In this embodiment, the capacitive touch computing chip 202 is a new S3203 chip.

The capacitive touch screen comprises a capacitive touch sensor 201, when a human body approaches the capacitive touch sensor 201, the capacitive touch operation chip 202 can detect capacitance value change between the human body and the capacitive touch sensor 201, namely capacitance value information, so that coordinate information of a touch point is judged through the capacitance value change, the capacitive touch operation chip 202 transmits the coordinate information to the controller 100, and the controller 100 can confirm an input instruction of the human body, so as to control the electric hair dryer.

In this embodiment, the display screen includes a display chip 203, the display chip 203 is a chip providing a display function, and the display chip 203 is electrically connected to the controller 100 to display the operating state of the hair dryer, or to display the operating state of the hair dryer in cooperation with displaying an instruction input by a user.

It should be noted that the capacitance information also includes a capacitance value of the touch point, and the controller 100 may be set, so that the controller 100 may trigger when the capacitance value of the touch point reaches a preset capacitance value, thereby improving the accuracy of the touch display module 30. Therefore, misoperation caused by contact of water drops or wet hair on the touch sensing unit when a user blows hair by using electric blowing can be reduced, and touch failure caused by reduction of the dielectric constant of a human body when weather is dry can be reduced.

In some embodiments, the capacitive touch screen and the display screen may be integrated, that is, the capacitive touch screen may be touched by a human body to input a control instruction to control the operating state of the hair dryer, and at the same time, the operating state of the hair dryer may be displayed.

In this embodiment, the hair dryer further includes a temperature detecting module 400, configured to monitor an outlet air temperature of the air duct 10 during a working process of the hair dryer. The temperature detection module 400 includes at least one temperature sensor. Through the real-time air-out temperature of control hair-dryer of temperature sensor prevents that the air-out temperature is too high to cause the human body burn.

In some embodiments, the controller 100 may be further configured to trigger the blower to power off when the temperature sensor detects that the outlet air temperature exceeds a certain threshold temperature, so as to ensure human safety.

In this embodiment, the hair dryer further includes a power switch button 22 disposed on the handle 20, and the power switch button 22 is used for controlling the on and off of the power supply. Like this, avoid when the ambient humidity is very big or there is the drop of water to drip on the touch-sensitive unit, if forget to pull out the power cord, do not have this touch-sensitive screen of human contact, the condition that the hairdryer also directly opened automatically has improved the safe and reliable of hairdryer.

In this embodiment, the air intake 21 of hair-dryer sets up the bottom of handle 20 for dryer 10 has sufficient space air-out, not only makes the structural design of air outlet have bigger performance space, can also improve the air-out volume, ensures the efficiency of hair-dryer.

In this embodiment, air intake 21 sets up the junction at power connecting wire and handle for preventing curling hair air intake, the handle of air intake 21 department is the toper of inversion, is equipped with a plurality of apertures on the toper, by a plurality of apertures air inlet, and when the user used, air intake 21 was kept away from hair, inhales the hair when can avoiding the air inlet, avoids causing the injury to the user.

Referring to fig. 3, fig. 3 is a schematic cross-sectional view of the handle 20 provided in this embodiment, the handle 20 is a multi-surface cylinder, and the touch display module 30 is disposed on one of the planes of the handle, so as to not only improve comfort of a user holding the handle 20, but also prevent slipping and falling.

In some embodiments, the power switch button 22 may also be disposed on one of the planes to facilitate user control of the power switch.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims

1. A hair dryer, comprising:

the air duct is used for discharging air;

the anti-falling sensor is used for sensing the motion state of the blower and triggering the blower to be powered off;

the temperature detection module is used for monitoring the air outlet temperature of the air duct in the working process of the blower.

2. The hair dryer of claim 1, further comprising an anion generator for generating anions.

3. The blower of claim 2, further comprising a controller for adjusting the outlet air temperature, the air speed, and the anion concentration according to instructions received by the touch display module; the touch display module and the negative ion generator are electrically connected with the controller.

4. The blower of claim 3, wherein the touch display module comprises a capacitive touch screen, a capacitive touch arithmetic chip and a display screen, and the capacitive touch screen is electrically connected with the controller through the capacitive touch arithmetic chip; the controller is also electrically connected with the display screen; the capacitance touch operation chip is used for detecting capacitance value information between a human body and the capacitance touch screen and transmitting the capacitance value information to the controller; the capacitance value information comprises coordinates of the touch point and/or a capacitance value of the touch point, and the controller adjusts the air outlet temperature, the air speed and the anion concentration according to the capacitance value information.

5. The blower of claim 1, wherein the temperature detection module includes at least one temperature sensor and the fall arrest sensor includes an acceleration sensor or an infrared sensor.

6. The hair dryer of claim 1, further comprising a power switch button disposed on said handle, said power switch button for controlling the turning on and off of the power source.

7. The hair dryer of claim 1, wherein said air inlet is disposed at a bottom end of said handle.

8. The hair dryer of claim 7, wherein said air inlet is an inverted cone with a plurality of small holes, said air inlet preventing hair from curling up when air is introduced.

9. The hair dryer of claim 1, wherein the handle is a multi-sided cylinder, and the touch display module is disposed on one of the planar surfaces of the handle.