CN218527974U

CN218527974U - Hair drier

Info

Publication number: CN218527974U
Application number: CN202222749328.6U
Authority: CN
Inventors: 冯业
Original assignee: Shenzhen Lemei Science & Technology Co ltd
Current assignee: Shenzhen Lemei Science & Technology Co ltd
Priority date: 2022-01-07
Filing date: 2022-10-18
Publication date: 2023-02-28
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a hair drier, which comprises a shell, a fan component, a control device, a timer and a prompt component, wherein the shell is provided with an air inlet, an air outlet and an air supply duct positioned between the air inlet and the air outlet; the fan assembly is arranged in the air supply duct and has a reverse cleaning mode for driving airflow to flow from the air outlet to the air inlet; the control device is arranged on the shell and electrically connected with the fan assembly, and the control device can be used for controlling the fan assembly to enter a reverse rotation cleaning mode; the timer is arranged on the shell and electrically connected with the control device and used for accumulating the starting time of the blower; the prompting component is arranged on the shell and electrically connected with the control device, and the prompting component is used for sending first prompting information for prompting that the blower needs to enter a reverse cleaning mode when the accumulated starting time of the blower is longer than the preset time. The utility model discloses technical scheme can be convenient for clear up the foreign matter in the hair-dryer.

Description

Hair drier

The present application claims priority of chinese patent application having application number 202220063828.1 entitled "sound generating device" filed by the chinese patent office on 07/01/2022, the entire contents of which are incorporated herein by reference.

Technical Field

The utility model relates to a hairdressing product technical field, in particular to hair-dryer.

Background

The hair drier is a household common electric appliance, drives a rotor to drive a fan blade to rotate by a motor to realize hair drying and shaping, and can be used for local drying, heating and physical therapy in laboratories, physical therapy rooms, industrial production, art designing and the like. However, when the hair dryer is used for a long time, air is blown to the hair dryer, and therefore certain foreign matters (such as dust) can be absorbed into the hair dryer, and the normal use of the hair dryer is affected; in view of this situation, the current solution is to manually disassemble the hair dryer and then clean it, but this is laborious and laborious, requires a certain manual skill and disassembly tools, and is not suitable for most people.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a hair drier, which is convenient for cleaning foreign matters in the hair drier.

In order to achieve the above object, the present invention provides a hair dryer, including:

the shell is provided with an air inlet, an air outlet and an air supply duct positioned between the air inlet and the air outlet;

the fan assembly is arranged in the air supply air duct and has a reverse cleaning mode for driving airflow to flow from the air outlet to the air inlet;

the control device is arranged on the shell and electrically connected with the fan assembly, and the control device can be used for controlling the fan assembly to enter the reverse rotation cleaning mode;

the timer is arranged on the shell, is electrically connected with the control device and is used for accumulating the starting time of the blower; and

the prompting component is arranged on the shell and electrically connected with the control device, and the prompting component is used for sending first prompting information for prompting that the blower needs to enter the reverse cleaning mode when the accumulated starting time of the blower is longer than the preset time.

Optionally, the prompt component includes a prompt lamp, the prompt lamp is electrically connected to the control device, and the prompt lamp is configured to send the first prompt message.

Optionally, the prompt component comprises a plurality of prompt lamps, the plurality of prompt lamps are electrically connected with the control device, and the control device is used for controlling the plurality of prompt lamps to flicker in a reciprocating manner to send the first prompt message.

Optionally, the plurality of indicator lights include at least two wind speed indicator lights, the blower has at least two wind speed gears, each wind speed gear corresponds to each wind speed indicator light one-to-one, the control device includes a wind speed adjusting module, each wind speed indicator light is electrically connected to the wind speed adjusting module, the wind speed adjusting module is used for controlling the blower to switch between each wind speed gear, and the control device is used for controlling the plurality of wind speed indicator lights to flicker to send the first reminding information.

Optionally, the hair dryer further includes a heating device, the heating device is disposed in the air supply duct, the hair dryer has at least two power gears, the plurality of warning lights include at least two power indicating lamps, each power gear corresponds to each power indicating lamp one to one, the control device includes a power adjusting module, the heating device and each power indicating lamp are electrically connected to the power adjusting module, the power adjusting module is configured to control the fan assembly to switch between each power gear, and the control device is configured to control the plurality of power indicating lamps to flicker in a reciprocating manner to send the first warning information.

Optionally, the control device includes a main control board and a cleaning control key, the cleaning control key is electrically connected to the main control board and exposed outside the housing, and the cleaning control key is used for generating an electrical signal for controlling the fan assembly to enter the reverse cleaning mode through the main control board.

Optionally, the blower further comprises a filter element, the filter element is disposed between the air inlet and the fan assembly, the filter element comprises an annular peripheral wall and a bottom wall covering one end of the annular peripheral wall, which is far away from the bottom wall, is open and is disposed toward the fan assembly, and a plurality of air flow through holes are disposed on both the annular peripheral wall and the bottom wall; the annular peripheral wall is arranged to gradually contract in a direction away from the fan assembly.

Optionally, the casing includes the dryer and connect in the handle of dryer lateral part, the dryer is equipped with air intake, air outlet and air supply duct, controlling means locates the handle, the suggestion subassembly is located the dryer or the handle.

Optionally, the hair dryer further comprises a power switch, the power switch is electrically connected with the control device, and the power switch is located on one side, close to the air outlet, of the handle.

Optionally, the hair dryer still includes heating device and temperature sensor, heating device with temperature sensor all with controlling means electric connection, heating device locate the air outlet with between the fan subassembly, temperature sensor with heating device heat-conduction is connected.

The utility model discloses technical scheme is through setting up the time-recorder at the hair-dryer, utilize the start time of the accumulative total hair-dryer of time-recorder, when being greater than the default time at the accumulative total start time that the user used the hair-dryer, the time-recorder can send corresponding signal of telecommunication to controlling means, thereby send first warning information through controlling means control suggestion subassembly and remind the user hair-dryer to need clear up foreign matter such as inside dust, thereby can get into reversal clean mode through controlling means control fan subassembly, make foreign matter such as dust in the hair-dryer blow off from the air outlet, realize the interior automatically cleaning of hair-dryer. So do not need the user to dismantle the hair-dryer and wash for the foreign matter clearance in the hair-dryer is more simple and convenient. The dust in the blower generally increases with the increase of the use time, so that the condition for entering the reverse cleaning mode is more accurate according to the starting time of the blower.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of an embodiment of a hair dryer of the present invention;

figure 2 is a cross-sectional view of the blower of figure 1;

figure 3 is a schematic view of the blower of figure 1 at another angle.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the expression "and/or" as used throughout is meant to encompass three juxtaposed aspects, exemplified by "A and/or B", including either the A aspect, or the B aspect, or aspects in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a hair drier.

In the embodiment of the present invention, as shown in fig. 1 to fig. 3, the hair dryer includes a housing 10, a blower assembly 20, a control device 80, a timer, and a prompt assembly 30, wherein the housing 10 is provided with an air inlet 111, an air outlet 112, and an air supply duct 113 between the air inlet 111 and the air outlet. The fan assembly 20 is installed in the air supply duct 113, and the fan assembly 20 has a reverse cleaning mode for driving the air flow from the air outlet 112 to the air inlet 111. The control device 80 is disposed on the housing 10, the control device 80 is electrically connected to the fan assembly 20, and the control device 80 can be used to control the fan assembly 20 to enter the reverse rotation cleaning mode. The timer is disposed in the casing 10, and the timer is electrically connected to the control device 80 for accumulating the starting time of the blower. The prompting component 30 is disposed on the casing 10, the prompting component 30 is electrically connected to the control device 80, and the prompting component 30 is configured to send a first prompting message for prompting that the reverse cleaning mode needs to be entered when the accumulated startup time of the hair dryer is greater than a preset time.

In this embodiment, the blower assembly 20 has a forward blowing mode, and when the blower assembly 20 is in the forward blowing mode, the blower assembly 20 drives the airflow to flow from the air inlet 111 to the air outlet 112, so as to blow hair or other purposes for a user. When the foreign matters such as dust in the blower (air supply duct 113) need to be cleaned, the control device 80 controls the blower assembly 20 to enter the reverse cleaning mode, so that the external air flow enters the air supply duct 113 from the air outlet 112 and is blown out from the air inlet 111, and the foreign matters such as dust on the fan assembly 20 and other parts in the air supply duct 113 can be blown out from the air inlet 111, thereby realizing self-cleaning in the blower. That is, when the user starts the hair dryer, the blower default enters the forward rotation blowing mode, and when the user needs to clean the foreign matters such as dust in the blower (the blowing duct 113), the control device 80 can control the blower assembly 20 to enter the reverse rotation cleaning mode. Wherein, when controlling means 80 control fan subassembly 20 got into reversal clean mode, it is exactly the motor reversal of control fan subassembly in fact, and the control motor carries out corotation and reversal switching and belongs to prior art, the utility model discloses this again is not being repeated one by one.

In addition, it should be noted that, in daily life, the blower usually accumulates more dust on the filter screen of the air inlet 111 after a long time of use, and actually, there is no case that the blower accumulates dust after being used for several times or several minutes. Therefore, the utility model discloses in, when getting into the clean mode of reversal and realizing the automatically cleaning, owing to do not need to be in the clean mode of reversal for a long time, even if air outlet 112 department does not have the screen structure, can not lead to a large amount of dusts to get into air supply duct 113 from air outlet 112 in practice yet. Moreover, when the blower enters the forward blowing mode after the reverse rotation cleaning mode is finished, even if a small amount of dust enters the blowing air duct 113 in the reverse rotation cleaning mode, the dust is blown out quickly by the fan assembly 20 which blows air in the forward rotation.

The starting time of the blower is the time length of the blower in the forward rotation blowing mode, and the blower is usually in the forward rotation blowing mode when being started for use, so that the timer is used for accumulating the starting time of the blower, namely, the accumulated time of the blower in normal use (the forward rotation blowing mode) is accumulated through the timer (including the accumulation of multiple times of use time, and the time does not enter the reverse rotation cleaning mode), when the accumulated time of the blower in the forward rotation blowing mode is greater than the preset time, the timer can send a corresponding first electric signal to the control device 80, and the control device 80 controls the prompting component 30 to send first prompting information for prompting a user to enter the reverse rotation cleaning mode. The fan assembly 20 may be automatically controlled by the control device 80 to enter the reverse cleaning mode while the prompt assembly 30 issues the first reminder message. Or the control device 80 is provided with a button, and after the prompting component 30 sends out the first prompting message to prompt the user, the button is manually operated by the user to control the fan component 20 to enter the reverse rotation cleaning mode. The first reminding information can be optical information or acoustic information. The timer may be an electronic timing module on the main control board of the control device 80 or may be a software program in the controller. The predetermined time may be 40 hours, 45 hours, 50 hours, 55 hours, 60 hours, or any other value.

The utility model discloses technical scheme is through setting up the time-recorder at the hair-dryer, utilize the start time of the accumulative total hair-dryer of time-recorder, when the accumulative total start time that uses the hair-dryer at the user is greater than the default time, the time-recorder can send the signal of telecommunication that corresponds to controlling means 80, thereby send out first warning information through controlling means 80 control suggestion subassembly 30 and remind the user hair-dryer to clear up foreign matter such as inside dust, thereby can get into reversal clean mode through controlling means 80 control fan subassembly 20, make foreign matters such as dust in the hair-dryer blow off from air outlet 112, realize the self-cleaning in the hair-dryer. So do not need the user to dismantle the hair-dryer and wash for the foreign matter clearance in the hair-dryer is more simple and convenient. The dust in the blower generally increases with the increase of the use time, so that the condition for entering the reverse cleaning mode is more accurate according to the starting time of the blower.

In one embodiment, the indication assembly 30 includes an indication lamp electrically connected to the control device 80, and the indication lamp is used for sending the first indication message. Namely, the prompt sends out the first reminding information by normally lighting or flashing, so the structure is simple. Of course, in other embodiments, the lifting assembly includes a speaker electrically connected to the control device 80, and the warning light is used for emitting the first warning message, that is, the first warning message may be a warning sound or a warning voice message, so that the user can visually know the first warning message.

In an embodiment, the indication assembly 30 includes a plurality of indication lamps, the plurality of indication lamps are electrically connected to the control device 80, and the control device 80 is configured to control the plurality of indication lamps to flash back and forth to send out the first reminding message. A plurality of warning lights flash with the mode of "horse race lamp" promptly, so can make first warning information more obvious for the user observes first warning information more easily. Wherein, the number of the prompting lamps can be two, three, four, five, six or more. Of course, in other embodiments, only one warning light may be provided, and the first warning information is sent out through the warning light.

In an embodiment, include two at least wind speed indicator lamps 31 in a plurality of warning lights, the hair-dryer has two at least wind speed gears, each wind speed gear and each wind speed indicator lamp 31 one-to-one, and controlling means 80 includes the wind speed adjusting module, and each wind speed indicator lamp 31 and wind speed adjusting module electric connection, wind speed adjusting module are used for controlling the hair-dryer to switch between each wind speed gear. In this embodiment, the control device 80 is configured to control the plurality of wind speed indicator lamps 31 to blink back and forth to send out the first reminding message. Specifically, the outlet air speed blown out from the air outlet 112 at each wind speed gear is different, that is, the rotating speed of the fan assembly 20 corresponding to each wind speed gear is different, and a wind speed indicator 31 is provided on the blower corresponding to each wind speed gear. When the blower is controlled to be switched to a certain wind speed gear by the wind speed adjusting module, the wind speed indicating lamp 31 corresponding to the wind speed gear is correspondingly turned on (the wind speed indicating lamp 31 corresponding to the wind speed gear and the wind speed indicating lamps 31 corresponding to all wind speed gears lower than the wind speed gear can also be turned on), so that a user is reminded of which wind speed gear the current forward rotation air outlet mode is specifically located. When setting up a plurality of wind speed gears, convenient to use person selects the wind speed gear according to actual demand, can convenient to use person use. When the control device 80 controls the plurality of wind speed indicating lamps 31 to flicker back and forth to send the first reminding information, the wind speed indicating lamps are equivalently used for sending the first reminding information, the situation that the indicating lamps used for sending the first reminding information are additionally and independently arranged can be reduced or avoided, and the structure of the blower is favorably simplified. Wherein, the hair dryer can have two wind speed gears, three wind speed gears or four wind speed gears. In addition, in other embodiments, the plurality of indicator lights include a plurality of wind speed indicator lights 31 and a plurality of warning indicator lights, the wind speed indicator lights 31 are used for corresponding to the wind speed gear, and the plurality of warning indicator lights are used for sending out the first warning model.

In one embodiment, the plurality of wind speed gears include a cold wind gear, and the wind speed adjusting module can control the blower to switch between the cold wind gear and each wind speed gear.

In an embodiment, the wind speed adjusting module includes a wind speed controller and a wind speed adjusting key 41, the wind speed adjusting key 41 and each wind speed indicator lamp 31 are electrically connected to the wind speed controller, the wind speed adjusting key 41 is exposed outside the housing 10, the wind speed adjusting key 41 is used for generating a first adjusting electrical signal, and the wind speed controller receives the first adjusting signal and then adjusts to a corresponding wind speed gear by controlling the fan assembly 20.

Within a preset time period for the prompt component 30 to issue the first reminder:

if the long-time pressing of the wind speed adjusting key 41 reaches the first preset time, the control device 80 controls the fan assembly 20 to enter the reverse rotation cleaning mode for a preset time, and clears the accumulated starting time of the timer;

if the wind speed adjusting key 41 is not pressed for a long time or the wind speed adjusting key 41 is pressed for a long time and the first preset time period exceeds the preset time period of the first reminding information sent by the reminding component 30, the control device 80 controls the fan component 20 to enter the forward rotation blowing mode and controls the reminding component 30 to send the first reminding information when the hair dryer is started next time.

Specifically, when the user presses/pushes the wind speed adjusting key 41 to adjust the blower to a certain wind speed gear, the wind speed adjusting key 41 can generate a first adjusting electrical signal corresponding to the wind speed gear, and send the first adjusting electrical signal to the wind speed controller, and the wind speed controller receives the first adjusting signal and then adjusts the first adjusting signal to a rotating speed corresponding to the wind speed gear by controlling the blower assembly 20. The wind speed adjusting key 41 may be a push-type key, a push-type control key, or a touch-type key. The duration of the preset time period for the prompt component 30 to continuously send the first reminder message may be specifically 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, or other values. The duration of the first preset time may be 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, 10 seconds or other values. The predetermined time period of the cleaning mode may be specifically 5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, 10 seconds, 11 seconds, 12 seconds, 13 seconds, 14 seconds, 15 seconds, or more than 15 seconds.

When the accumulated starting time of the blower is longer than the preset time, the control device 80 controls the prompt component 30 to continuously send out the first reminding message for the preset time period. After the user presses the wind speed adjusting key 41 for the first preset time, the control device 80 receives the first adjusting electric signal generated by the wind speed adjusting key 41, and controls the fan assembly 20 to enter the reverse rotation cleaning mode for a preset time, that is, the fan assembly 20 rotates in reverse direction within the preset time to perform the reverse rotation cleaning mode. After the preset time is exceeded, namely the reverse rotation cleaning mode is ended, and then the blower can normally enter the forward rotation blowing mode. The control device 80 may clear the accumulated start-up time of the timer when the blower enters the reverse cleaning mode, or may clear the accumulated start-up time of the timer after the reverse cleaning mode is finished, that is, the control device 80 is configured to clear the accumulated start-up time of the timer when the blower assembly 20 enters the reverse cleaning mode or when the reverse cleaning mode is finished, so that the timer accumulates the start-up time again after the blower is self-cleaned.

If the user does not press the wind speed adjusting key 41 for a long time or presses the wind speed adjusting key 41 for a long time not reaching the first preset time, the wind speed adjusting key 41 cannot generate a corresponding first adjusting electrical signal, so that the control device 80 does not receive the corresponding first adjusting electrical signal, and further does not control the fan assembly 20 to enter the reverse rotation cleaning mode. When the first reminding message sent by the reminding component 30 exceeds the preset time period, the control device 80 controls the reminding component 30 to stop sending the first reminding message, and at this time, the hair dryer can normally enter the forward rotation blowing mode. Since the blower does not enter the reverse cleaning mode for self-cleaning, the accumulated on-time of the timer is not cleared, and when the blower is turned on next time, the accumulated on-time of the blower is still greater than the preset time, at this time, the timer can send the corresponding first electric signal to the control device 80 again, so that the control device 80 controls the prompt component 30 to send the first prompt message for prompting the user to enter the reverse cleaning mode. Until the user presses the wind speed adjusting key 41 for a first preset time and enters the reverse cleaning mode. In the preset time period when the prompting component 30 sends the first prompting message, if the wind speed adjusting key 41 is not pressed for a long time or the wind speed adjusting key 41 is not pressed for a long time to reach the first preset time, the control device 80 controls the fan component 20 to be in the shutdown state.

So set up, can make things convenient for the user to get into reversal clean mode at any time and carry out the automatically cleaning to the hair-dryer.

In an embodiment, the wind speed adjustment key 41 includes a first gear up key 411 and a first gear down key 412, the first gear up key 411 is used for controlling the wind speed gear to shift from the low gear to the high gear, and the first gear down key 412 is used for controlling the wind speed gear to shift from the high gear to the low gear, so as to facilitate the user to clearly understand the adjustment manner of the wind speed gear. Of course, in other embodiments, the wind speed gear can be cyclically shifted from the low gear to the high gear by pressing a wind speed adjustment key 41.

In other embodiments, the control device 80 includes a main control board and a cleaning control key, the cleaning control key is electrically connected to the main control board and exposed outside the housing 10, and the cleaning control key is used for generating an electrical signal (a second electrical signal) for controlling the fan assembly 20 to enter the reverse cleaning mode through the main control board. Specifically, the cleaning control key is independently arranged, the cleaning control key is configured to generate a second electrical signal when being pressed, and can send the second electrical signal to the main control board, and the main control board receives the second signal and then controls the fan assembly 20 to enter the reverse cleaning mode. The independent cleaning control key is arranged to start the reverse cleaning mode, so that a user can know the starting mode of the reverse cleaning mode more clearly, and the operation of the user can be facilitated.

In an embodiment, the hair dryer further includes a heating device, the heating device is disposed in the air supply duct 113, the hair dryer has at least two power gears, the plurality of warning lights include at least two power indicator lights 32, each power gear corresponds to each power indicator light 32 one-to-one, the control device 80 includes a power adjustment module, the heating device and each power indicator light 32 are electrically connected to the power adjustment module, and the power adjustment module is used for controlling the fan assembly 20 to switch between each power gear. Specifically, the power of the heating device is different at each power gear, that is, the air outlet temperature blown out from the air outlet 112 by the blower corresponding to each power gear is different, and a power indicator lamp 32 is arranged on the blower corresponding to each power gear. When the blower is controlled to be switched to a certain power gear by the power adjusting module, the power indicator lamp 32 corresponding to the power gear is correspondingly turned on (the power indicator lamp 32 corresponding to the power gear and the power indicator lamps 32 corresponding to all power gears lower than the power gear can also be turned on), so as to remind a user of which power gear the current forward rotation air-out mode is specifically in. When setting up a plurality of power gears, convenient to use person selects the air-out temperature according to the actual demand, can convenient to use person use. Wherein, the blower can have two power gears, three power gears or four power gears.

In one embodiment, the control device 80 is configured to control the plurality of power indicator lights 32 to flash back and forth to emit the first warning message. When the control device 80 controls the power indicator lamps 32 to flicker back and forth to send the first reminding information, the power indicator lamps are used for sending the first reminding information, so that the situation that the indicator lamps used for sending the first reminding information are additionally and independently arranged can be reduced or avoided, and the structure of the hair drier is simplified. Of course, in other embodiments, the plurality of warning lights include a plurality of power indicator lights 32 and a plurality of warning indicator lights, the power indicator lights 32 are used for corresponding to the power gear, and the plurality of warning indicator lights are used for sending out the first warning model.

In an embodiment, the power adjusting module includes a power controller and a power adjusting key 51, the power adjusting key 51 and each power indicator 32 are electrically connected to the power controller, the power adjusting key 51 is exposed outside the housing 10, the power adjusting key 51 is used for generating a second adjusting electrical signal, and the power controller receives the first adjusting signal and then adjusts to a corresponding power gear by controlling the fan assembly 20.

Within the preset time period for the prompting component 30 to issue the first reminder information:

if the power adjusting key 51 is pressed for a long time to reach the first preset time, the control device 80 controls the fan assembly 20 to enter the reverse rotation cleaning mode for a preset time, and clears the accumulated starting time of the timer;

if the power adjusting key 51 is not pressed for a long time or the power adjusting key 51 is pressed for a long time and the preset time period of the first reminding information sent by the reminding component 30 is exceeded, the control device 80 controls the fan component 20 to enter the forward rotation blowing mode and controls the reminding component 30 to send the first reminding information when the hair dryer is started next time.

Specifically, when the user presses/pushes the power adjustment key 51 to adjust the blower to a certain power gear, the power adjustment key 51 can generate a second adjustment electrical signal corresponding to the power gear, and send the second adjustment electrical signal to the power controller, and the power controller receives the first adjustment signal and then adjusts to the rotation speed corresponding to the power gear by controlling the blower assembly 20. The power adjusting key 51 may be a pressing key, a pushing control key or a touch key.

When the accumulated starting time of the blower is longer than the preset time, the control device 80 controls the prompt component 30 to continuously send out the first reminding message for the preset time period. After the power adjusting key 51 is pressed for a first preset time, the corresponding second adjusting electrical signal is generated, and the second adjusting electrical signal can be sent to the control device 80, so that after the user presses the power adjusting key 51 for the first preset time, and the control device 80 receives the second adjusting electrical signal generated by the power adjusting key 51, the fan assembly 20 is controlled to enter the reverse rotation cleaning mode for a preset time, that is, the fan assembly 20 rotates reversely in the preset time to perform the reverse rotation cleaning mode. After the preset time is exceeded, namely the reverse rotation cleaning mode is ended, and then the blower can normally enter the forward rotation blowing mode. The control device 80 may clear the accumulated start-up time of the timer when the blower enters the reverse cleaning mode, or may clear the accumulated start-up time of the timer after the reverse cleaning mode is finished, that is, the control device 80 is configured to clear the accumulated start-up time of the timer when the blower assembly 20 enters the reverse cleaning mode or when the reverse cleaning mode is finished, so that the timer accumulates the start-up time again after the blower is self-cleaned.

If the user does not press the power adjustment key 51 for a long time or does not press the power adjustment key 51 for a long time for the first preset time, the power adjustment key 51 cannot generate a corresponding second adjustment electrical signal, so that the control device 80 does not receive the corresponding second adjustment electrical signal, and further does not control the fan assembly 20 to enter the reverse rotation cleaning mode. When the first reminding message sent by the reminding component 30 exceeds the preset time period, the control device 80 controls the reminding component 30 to stop sending the first reminding message, and at this time, the blower can normally enter the forward rotation blowing mode. Since the blower does not enter the reverse cleaning mode for self-cleaning, the accumulated on-time of the timer is not cleared, and when the blower is turned on next time, the accumulated on-time of the blower is still greater than the preset time, at this time, the timer can send the corresponding first electric signal to the control device 80 again, so that the control device 80 controls the prompt component 30 to send the first prompt message for prompting the user to enter the reverse cleaning mode. Until the user presses the power adjusting key 51 for a first preset time and enters the reverse cleaning mode. In the preset time period when the prompt component 30 sends the first reminding message, if the power adjusting key 51 is not pressed for a long time or the power adjusting key 51 is not pressed for a long time to reach the first preset time, the control device 80 controls the fan component 20 to be in the shutdown state.

In one embodiment, the power adjustment key 51 includes a second gear up key 511 and a second gear down key 512, the second gear up key 511 is used for controlling the power gear to be switched from the low gear to the high gear, and the second gear down key 512 is used for controlling the power gear to be switched from the high gear to the low gear, so as to facilitate the user to clearly understand the adjustment manner of the power gear. Of course, in other embodiments, the power range may be cycled from a low range to a high range by depressing a power adjustment key 51.

In an embodiment, the hair dryer further includes a heating device, the heating device is disposed in the air supply duct 113, the hair dryer has at least two power gears, the plurality of warning lights include at least two power indicator lights 32 and at least two air speed indicator lights 31, each power gear corresponds to each power indicator light 32 one by one, the control device 80 includes a power adjusting module, the heating device and each power indicator light 32 are electrically connected to the power adjusting module, and the power adjusting module is used for controlling the fan assembly 20 to switch between each power gear; the blower is provided with at least two wind speed gears, each wind speed gear corresponds to each wind speed indicator lamp 31 one by one, the control device 80 comprises a wind speed adjusting module, each wind speed indicator lamp 31 is electrically connected with the wind speed adjusting module, and the wind speed adjusting module is used for controlling the blower to be switched between each wind speed gear; the control device 80 is used for controlling the plurality of power indicator lamps 32 to flash back and forth to send out first reminding information, or the control device 80 is used for controlling the plurality of wind speed indicator lamps 31 to flash back and forth to send out first reminding information.

In another embodiment, the hair dryer further includes a heating device, the heating device is disposed in the air supply duct 113, the hair dryer has at least two power gears, the plurality of warning lights includes at least two power indicator lights 32 and at least two air speed indicator lights 31, each power gear corresponds to each power indicator light 32 one by one, the control device 80 includes a power adjusting module, the heating device and each power indicator light 32 are electrically connected to the power adjusting module, and the power adjusting module is used for controlling the fan assembly 20 to switch between each power gear; the blower is provided with at least two wind speed gears, each wind speed gear corresponds to each wind speed indicator lamp 31 one by one, the control device 80 comprises a wind speed adjusting module, each wind speed indicator lamp 31 is electrically connected with the wind speed adjusting module, and the wind speed adjusting module is used for controlling the blower to be switched between each wind speed gear; the control device 80 is configured to control the plurality of power indicator lights 32 and the plurality of wind speed indicator lights 31 to blink back and forth in sequence to send out the first warning message.

In one embodiment, the display colors of the power indicator light 32 and the wind speed indicator light 31 are two types, that is, the display colors of the power indicator light 32 and the wind speed indicator light 31 are different, for example, the power indicator light 32 is one of a red light, a blue light, a green light and a yellow light, and the wind speed indicator light 31 is the other of the red light, the blue light, the green light and the yellow light. This can be easily distinguished by the user.

Unlike embodiments that require a user to manually control the blower to enter the reverse cleaning mode, in another embodiment, the control device 80 includes a main control board and a key assembly, the key assembly is electrically connected to the main control board, the key assembly is used to control the blowing status of the blower, and the main control board is used to automatically generate an electrical signal for controlling the blower assembly 20 to enter the cleaning mode when the cumulative power-on time of the blower is longer than a predetermined time.

Specifically, when the accumulated startup time of the hair dryer is longer than the preset time, the timer can send a corresponding first electric signal to the control device 80, after the control device 80 receives the first electric signal sent by the timer, the control prompting component 30 is controlled to continuously send out the first prompting information for the preset time period, and simultaneously, the control prompting component 20 is also controlled to reversely rotate for the preset time period, so as to enter the reverse cleaning mode for self-cleaning, and at this time, the first prompting information is used for prompting the hair dryer to perform self-cleaning. That is, the first electrical signal sent by the timer to the control device 80 corresponds to a trigger signal for the fan assembly 20 to enter the reverse cleaning mode. Therefore, manual operation of a user is not needed, the condition that the user forgets to clean the hair drier can be avoided, and the use by the user is facilitated.

The control device 80 may clear the accumulated start-up time of the timer when the blower enters the reverse cleaning mode, or may clear the accumulated start-up time of the timer after the reverse cleaning mode is finished, that is, the control device 80 is configured to clear the accumulated start-up time of the timer when the blower assembly 20 enters the reverse cleaning mode or when the reverse cleaning mode is finished, so that the timer accumulates the start-up time again after the blower is self-cleaned. In one embodiment, the key assembly includes a power switch 62 and a cool air control key 61.

In an embodiment, the reminding duration of the first reminding message is greater than or equal to the cleaning duration of the reversal cleaning mode. Namely, the prompting component 30 can send out the first prompting message to remind the user that the hair dryer is self-cleaning in the whole cleaning process of the reversal cleaning mode, so that misoperation of the user can be well prevented.

In an embodiment, the housing 10 includes an air duct 11 and a handle 12 connected to a side portion of the air duct 11, the air duct 11 is provided with an air inlet 111, an air outlet 112 and an air supply duct 113, the control device 80 is provided on the handle 12, and the prompt component 30 is provided on the air duct 11 or the handle 12. Specifically, the handle 12 is convexly arranged towards the side of the air duct 11, the handle 12 is used for being held by a user, so that the user can conveniently hold and use the air blower, meanwhile, the control device 80 can be arranged by utilizing the handle 12, and the space utilization rate of the air blower can be fully utilized. Of course, in other embodiments, the air inlet 111 may be disposed at an end of the handle 12 far from the air duct 11.

In one embodiment, the hair dryer further includes a power switch 62, the power switch 62 is electrically connected to the control device 80, and the power switch 62 is located on a side of the handle 12 close to the air inlet 111. That is, the power switch 62 is disposed on a side (rear side) of the handle 12 away from the air outlet 112, and when the blower is connected to the power source, the power switch 62 is turned on. With such an arrangement, the possibility that the user accidentally touches the power switch 62 can be reduced, that is, the possibility that the user accidentally touches the power switch 62 to turn off the hair dryer during the normal use of the hair dryer can be reduced. And the setting of power switch 62 can avoid the condition that the user suspends to pull out the power cord in the use process. Optionally, the power switch 62 is a push-on switch to further reduce the risk of the power switch 62 being touched by mistake. Of course, in other embodiments, the power switch 62 may be a push-type switch. Alternatively, the power switch 62 may not be provided, and the blower may be turned on when it is plugged in.

In one embodiment, the wind speed adjustment key 41 and the power adjustment key 51 are disposed on a side of the handle 12 facing the outlet 112 for user operation.

In one embodiment, the hair dryer further comprises a heating device and a temperature sensor, both of which are electrically connected to the control device 80, the heating device is disposed between the air outlet 112 and the blower assembly 20, and the temperature sensor is in heat-conduction connection with the heating device. Specifically, the heating device can generate heat when being powered on, so that the temperature of the airflow blown out from the air outlet 112 can be heated, and the hot air blowing function of the hair dryer is realized. The temperature sensor is used for detecting the temperature of the heating device, and when the temperature of the heating device is detected to be higher than the preset temperature, the control device 80 controls the heating device to stop heating so as to prevent the blower from overheating.

In one embodiment, the hair dryer further includes a cool air control key 61, the cool air control key 61 is exposed outside the housing 10 and electrically connected to the control device 80, the cool air control key 61 is configured to send a third electric signal to the control device 80 for a long time, the control device 80 controls the heating device to suspend heating according to the third electric signal sent by the cool air control key 61, the cool air control key 61 is further configured to send a fourth electric signal to the control device 80 after being released, and the control device 80 controls the heating device to continue heating according to the fourth electric signal sent by the cool air control key 61. So can be convenient for the switching of hair-dryer cold wind and hot-blast.

In one embodiment, the blower further includes a filter 70, and the filter 70 is disposed between the air inlet 111 and the blower assembly 20 to block foreign substances such as dust in the air entering from the air inlet 111. In one embodiment, the filtering member 70 includes an annular peripheral wall and a cover plate covering one end of the annular peripheral wall, the end of the annular peripheral wall away from the cover plate is open and disposed toward the fan assembly 20, and a plurality of air flow passing holes are disposed on both the annular peripheral wall and the bottom wall. This is equivalent to increasing the surface area of the filtering member 70, which can increase the number of the air flow passing holes while ensuring the small size of the air flow passing holes, thereby ensuring the good dust blocking effect and ensuring the air flow passing amount. Alternatively, the outer diameter of the annular peripheral wall gradually decreases in a direction away from the fan assembly 20, that is, the annular peripheral wall gradually shrinks in a direction away from the fan assembly 20, so as to increase the wind receiving area of the annular peripheral wall when the fan assembly 20 is in the reverse cleaning mode, so that dust on the fan assembly 20 can be better blown out from the air flow hole of the annular peripheral wall. Of course, in other embodiments, the annular peripheral wall may be cylindrical. Alternatively, the filter element 70 may have a flat mesh shape.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A hair dryer, comprising:

2. The hair dryer of claim 1, wherein the prompting component comprises a prompting lamp, the prompting lamp is electrically connected with the control device, and the prompting lamp is used for sending the first prompting message.

3. The hair dryer of claim 2, wherein the prompting assembly comprises a plurality of prompting lamps, the plurality of prompting lamps are electrically connected with the control device, and the control device is used for controlling the plurality of prompting lamps to flicker back and forth to send out the first prompting message.

4. The blower of claim 3, wherein the plurality of indicator lights include at least two wind speed indicator lights, the blower has at least two wind speed gears, each wind speed gear corresponds to each wind speed indicator light one to one, the control device includes a wind speed adjusting module, each wind speed indicator light is electrically connected to the wind speed adjusting module, the wind speed adjusting module is used for controlling the blower to switch between each wind speed gear, and the control device is used for controlling the plurality of wind speed indicator lights to flash back and forth to send the first warning message.

5. The hair dryer of claim 3, further comprising a heating device disposed in the air supply duct, wherein the hair dryer has at least two power stages, the plurality of warning lights include at least two power indicator lights, each power stage corresponds to each power indicator light, the control device includes a power adjustment module, the heating device and each power indicator light are electrically connected to the power adjustment module, the power adjustment module is configured to control the fan assembly to switch between the power stages, and the control device is configured to control the plurality of power indicator lights to flash back and forth to send the first warning message.

6. The hair dryer of claim 1, wherein said control device comprises a main control board and a cleaning control key, said cleaning control key being electrically connected to said main control board and exposed outside said housing, said cleaning control key being configured to generate an electrical signal for controlling said blower assembly into said reverse cleaning mode via said main control board.

7. The hair dryer of claim 1, further comprising a filter element disposed between said inlet and said blower assembly, said filter element including an annular peripheral wall and a bottom wall covering an end of said annular peripheral wall, an end of said annular peripheral wall remote from said bottom wall being open and disposed toward said blower assembly, said annular peripheral wall and said bottom wall each having a plurality of air flow apertures therethrough; the annular peripheral wall is gradually contracted in the direction away from the fan assembly.

8. The hair dryer of claim 1, wherein the housing comprises a wind barrel and a handle connected to a side portion of the wind barrel, the wind barrel is provided with the air inlet, the air outlet and the air supply duct, the control device is arranged on the handle, and the prompt component is arranged on the wind barrel or the handle.

9. The hair dryer of claim 8, further comprising a power switch electrically connected to said control device, said power switch being located on a side of said handle adjacent to said air outlet.

10. The hair dryer of claim 1, further comprising a heating device and a temperature sensor, both said heating device and said temperature sensor being electrically connected to said control device, said heating device being disposed between said air outlet and said blower assembly, said temperature sensor being in thermally conductive communication with said heating device.