KR20130104439A - Hair dryer assembly which can dry scalp and hair simultaneously and brush unit for the same - Google Patents

Abstract

PURPOSE: A hair dryer assembly and a brush unit for the same are provided to simplify the structure of the assembly since a motor is unnecessary. CONSTITUTION: A brush unit for a hair dryer assembly comprises a body unit, brushes (320), and a discharge hole (321). A hollow is formed inside the body unit. The brushes are formed on the body unit. The discharge hole is formed on the brushes to discharge air supplied from the hollow at different angles in the longitudinal direction of the brushes.

Description

Hair Dryer Assembly Which Can Dry Scalp And Hair Simultaneously And Brush Unit For The Same}

The present invention relates to a hair dryer, and more particularly to a hair dryer assembly and a brush unit for providing a dry air to the scalp and hair, respectively.

Generally, after washing the hair, a hair dryer is used to dry the hair in a faster time.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the hair dryer according to the prior art.

1 is a view showing a hair dryer according to the prior art. As shown, the conventional hair dryer has a blowing unit 10 for sucking and blowing air and a handle portion 30 which is hinged to be relatively rotatable to the blowing unit 10. In addition, a power cord 31 is connected to a free end of the handle part 30, and a switch knob 33 is selected at one edge thereof to select an on / off mode and a temperature of blown air, that is, a hot mode and a cool mode. It is prepared.

The blower 10 is coupled to surround a casing 11 having an air inlet 13 and a discharge port 15 so as to suck and discharge air, and an edge of the discharge port 15 of the casing 11. It has a removable brush 20. Here, a suction fan (not shown) is installed inside the casing 11 adjacent to the air suction port 13 so as to suck air, and a heater (not shown) to heat the air sucked adjacent to the suction fan. ) Is provided.

In addition, at the outer edge of the discharge port 15 formed at the end of the casing 11, a bleed groove 18 recessed from the outer surface is formed so that the connecting portion of the brush 20, which will be described later, is engaged along the axial direction. .

On the other hand, the brush 20 is to be coupled to the discharge unit 15 of the casing 11 at one end of the brush body 21, the brush body 21 is formed with a plurality of comb 24 to clean the hair. It has a connecting portion 22 formed to be. In addition, the inner surface of the connecting portion 22 is formed with an inwardly projected bleed rib 25 so as to be engaged with the bleed groove 18 formed on the outer surface of the discharge port 15.

The brush body 21 has a hollow structure so that the air introduced from the connecting portion 22 flows, and a plurality of comb teeth 24 are formed horizontally in the longitudinal direction of the brush body 21. Here, each comb 24 is formed so as to communicate with the brush body 21, a predetermined nozzle hole to discharge the air introduced from the brush body 21 to the end and the outer surface of the comb 24 ( 26) are formed respectively.

By this structure, when the connection part 22 of the said brush 20 is pressed against the outer periphery of the discharge port 15 of the casing 11, the connection part 22 and the casing 11 will engage | engage an uneven | corrugated surface. When the brush 20 is coupled to the casing 11, the temperature of the air is selected by operating the switch knob 33 provided at one side of the handle part 30.

When the hot mode is selected, the suction fan provided in the adjacent area of the suction port 15 is driven, and the air is sucked into the casing 11.

As such, the sucked air is heated while passing through the coil of the heater and passes through the air discharge port 15 to be introduced into the brush body 21.

The heated air introduced into the brush body 21 is discharged through a plurality of nozzle holes 26 formed at the end and the outer surface of each comb 24. At this time, when the hair is combed off using the brush 20, the heated air is discharged and contacts in close proximity to the hair through the nozzle hole 26 of each comb 24 so that the hair is neatly trimmed and the hair Dries quickly.

In this way, the brush having a comb teeth formed with a plurality of nozzle holes is coupled to the air discharge port of the casing, it is possible to quickly dry the hair as well as hair trimming.

By the way, in the case of the conventional hair dryer described above, the nozzle holes 26 are all formed in the horizontal direction, and the hair is smoothly dried. However, since the air cannot be directly sent in the scalp direction, it is disadvantageous to dry the scalp and has a drying function. There was no other function.

The present invention has been made to solve the above-mentioned conventional problems and disadvantages, and the object of the present invention is as follows.

First, an object of the present invention is to provide a hair dryer assembly and a brush unit therefor that can separate and dry hair and scalp, respectively.

Second, an object of the present invention is to provide a hair dryer assembly and a brush unit therefor that can serve as a scalp massage function in addition to the drying function.

In order to achieve the above object, the present invention provides a body portion having an internal hollow portion, a plurality of brushes provided to the body portion and the air supplied to the hollow portion is at least two different angles from the longitudinal direction of the brush; Provides a brush unit for a hair dryer assembly capable of simultaneously drying the scalp and hair comprising a discharge hole provided in each of the brushes to be discharged to form a.

The discharge hole may be configured to include a discharge hole for drying the scalp and a discharge hole for drying hair.

In addition, the plurality of discharge holes for drying the scalp are provided along the length or the circumferential direction of the brush, it may be formed inclined downward toward the scalp.

The hair drying discharge holes may be provided in plural along the length or the circumferential direction of the brush, and may be provided above the discharge hole for drying the scalp.

In addition, the hair drying discharge hole may include a vertical discharge hole made in a vertical direction in the longitudinal direction of the brush and an upward discharge hole formed to be inclined upward in the longitudinal direction of the brush.

The plurality of brushes may be formed longer and longer toward both sides with respect to the central portion of the body portion.

In addition, the body portion may further include a vibration unit to cause vibration to occur in the body portion when the air is supplied.

The body part includes an upper body part, a lower body part, and a bellows provided between the upper body part and the lower body part and stretched / contracted, and the vibration unit is rotatable when the air is supplied. Rotating fan provided in the part, the rotary cam provided to be rotated together when the rotary fan rotates, and the impact plate and the rotary cam provided in a position that interferes with the lower body portion to move downward when the rotary cam is rotated When the interference is released may include an elastic member provided so that the lower body portion moved downward.

In addition, the upper body portion may include an air flow guide for adjusting the air supply direction for the rotation fan to rotate smoothly.

In addition, the vibration unit is installed so as to rotate together with the rotating fan on the rotating fan and the rotating shaft of the rotating fan which is rotatably installed when the air flows inside the body portion at the same time the weight is eccentric about the rotating shaft It may comprise an eccentric weight.

On the other hand, the present invention is a casing provided with a suction port and a discharge port, a blowing fan provided in the casing to suck air through the suction port and to be discharged to the discharge port, an air supply hose that one end is connected to the discharge port, and the supply Is connected to the other end of the supply hose is possible to dry the scalp and hair comprising a body portion having an internal hollow portion and a plurality of brushes provided on the body portion to discharge the air supplied to the hollow portion in at least two different directions Provide a hair dryer assembly.

Here, the casing may further include a sterilization unit.

The AC motor may further include an AC dimmer module electrically connected to the driving motor to control a rotation speed of the driving motor.

Referring to the effects of the present invention hair dryer assembly and a brush unit therefor configured as described above are as follows.

First, according to the present invention, the brush is provided with an air discharge hole, so that the discharge hole is divided into a discharge hole for scalp drying and a discharge hole for hair drying. Therefore, the scalp and hair can be separated from each other and dried.

Secondly, according to the present invention, the brush is disposed in the body part in a shape corresponding to the curved surface of the scalp, so that it is possible to evenly dry the entire scalp and increase the user's satisfaction.

Third, according to the present invention is provided with a vibrating unit that operates in accordance with the flow of air and does not require a separate operating motor, there is an effect that the overall size (size) of the brush unit is compact (compact).

Fourth, since the air supply unit and the brush unit can be used separately according to the present invention, there is an effect of ease of movement and storage.

Fifth, according to the present invention, it is possible to separate the air supply unit with the discharge port and the brush unit, as well as being positioned at a predetermined distance from each other to prevent the phenomenon of being sucked into the brush unit or the air supply unit to the hair.

Sixth, according to the present invention, it is possible to dry only the scalp separately as well as to provide a low temperature drying function and a scalp massage function, thereby bringing a protective effect of the scalp and hair and strengthening the scalp and the hair root.

Seventh, according to the present invention by having a brush unit made of a mechanical configuration and the air supply unit provided with an electrical configuration, respectively, in a spaced place, it brings about the effect that can be blocked in advance due to electromagnetic waves.

1 shows a hair dryer according to the prior art;
2 is an exploded perspective view of a hair dryer assembly according to the present invention;
3 is a side view of the brush unit for a hair dryer assembly according to the present invention;
4 is a cross-sectional view for explaining a discharge hole provided in the brush;
5 is a view for explaining the principle of operation of the brush unit according to the present invention;
6 is an exploded perspective view of a brush unit according to another embodiment of the present invention;
7 is a cross-sectional view after the brush unit of Figure 6 is combined;
8 is a view for explaining the principle of operation of the vibration unit in the brush unit according to another embodiment of the present invention;
9 is an exploded perspective view of a brush unit according to another embodiment of the present invention; And
10 is a side cross-sectional view of FIG. 9.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

First, with reference to the accompanying drawings illustrating a hair dryer assembly capable of simultaneous drying of the scalp and hair according to the present invention.

2 is an exploded perspective view of a hair dryer assembly according to the present invention. As shown, the hair dryer assembly 100 for drying the scalp and hair of the present invention largely includes an air supply unit 200 and a brush unit 300.

Here, the air supply unit 200 includes a casing 201, a blowing fan 210, a driving motor 220, and a heating wire 230.

The casing 201 forms an exterior of the air supply unit 200 and forms a hollow interior. In addition, the casing 201 is provided with an inlet 202 and an outlet 203 for communicating an inner hollow portion and the casing outside.

The blowing fan 210 and the driving motor 220 are installed in the inlet 202 position inside the casing 201. At this time, the blowing fan 210 is connected to the rotation shaft of the drive motor 220 to be rotated by receiving power during the operation of the drive motor 220.

As such, the blowing fan 210 serves to allow the outside air to be sucked into the casing 201 through the inlet 202 and then discharged to the outside of the casing 203 through the outlet 203. Do this.

In this case, the driving motor 220 has a configuration electrically connected to the AC dimmer module 225. The AC dimmer module 225 acts as a kind of control unit for controlling the speed of the small motor, and accordingly, operates the motor motor 220 while adjusting the speed of the driving motor according to the user's preference. This becomes possible.

Although not shown in detail, a coupling bracket (not shown) for stably coupling the blower fan 210 and the driving motor 220 may be installed inside the casing 201.

Next, the hot wire 230 is installed inside the casing 201 around the blowing fan 210 to increase the temperature of the air sucked in to generate warm air.

In addition, it is preferable that the sterilization unit 240 is installed inside the casing 201 to suppress propagation of harmful bacteria in the air sucked into the casing 201 itself or the casing 201. Such sterilization unit 240 may be applied to an ultraviolet lamp. On the other hand, the casing 201 is preferably provided with a separate control unit (not shown) electrically connected to the sterilization unit 240 to operate the sterilization unit 240 every predetermined time.

It is not only unnecessary to continuously irradiate ultraviolet rays for sterilization, but also because the high concentration of ozone generated during the operation of the ultraviolet lamp can cause an unpleasant smell and may be harmful to the human body.

On the other hand, the air supply hose 250 is provided to enable the air flow from the discharge port 203 of the air supply unit 200 to the brush unit 300.

The air supply hose 250 has a hollow hose shape from one side to the other side, as shown, the air supply hose 250 is one end is connected to the discharge port 203 of the air supply unit 200 , The other end is connected to the brush unit 300. The air supply hose 250 may be a structure or material that is easy to bend.

At this time, one end of the air supply hose 250, the discharge port 203 of the air supply unit 200, the other end of the air supply hose 250 and the brush unit 300 are respectively selectively coupled and separated by the user It is configured to be possible. Various removable coupling structures, such as rotation or separate interference fit method can be applied.

Outside the casing 201 is provided with a switch unit 215 electrically connected to the drive motor 220, the heating wire 230 and the sterilization unit 240, the drive motor in accordance with the operation of the switch unit 215 220, the heating wire 230 and the sterilization unit 240 can be controlled.

Figure 3 is a side view of the brush unit for the present invention hair dryer assembly.

The brush unit 300 forms an exterior and includes a body part 310 provided with an internal hollow part 317 and a brush 320 provided in the body part 310. The body portion 310 may have a shape and size different from that shown so that the user can easily comb the hair by holding it with his hand.

And, the brush 320 is provided in plurality in the same direction on one side of the body portion (310). In this case, the plurality of brushes 320 may be configured to correspond to the curved surface of the scalp of the user, that is, the entire brush 120 may be in contact with the scalp of the user. To this end, the brush 320 positioned on both sides with respect to the center of the body portion 301 forms a shape longer than the brush 320 located in the center portion.

In addition, each brush 320 is provided with a connection flow path 318 (see Fig. 4) in communication with the hollow portion 317 inside the body portion 310, it is also possible to discharge the air to the outside of the brush 320 A discharge hole 321 is provided in a branched shape in the connection flow passage 318. The plurality of discharge holes 321 are provided along the length and the circumferential direction of each brush 320.

4 is a cross-sectional view of the brush.

In the brush unit 300 according to the present invention, the air discharged through the discharge hole 321 is configured to dry both the scalp and the hair.

To this end, the discharge hole 321 includes a scalp drying discharge hole 322 for supplying air toward the scalp and hair drying discharge holes 324 and 326 for supplying air toward the hair. Here, the scalp drying discharge hole 322 is formed to be inclined downward at a predetermined angle so that air can be directly supplied to the scalp surface.

In addition, a plurality of hair drying discharge holes 324 and 326 are provided in the brush 320 above the scalp drying discharge hole 322. At this time, the hair drying discharge hole is opposite to the vertical discharge hole 324 and the scalp drying discharge hole 322 formed so that the air is discharged in a vertical direction in the longitudinal direction of the brush 320, that is, upwardly inclined It consists of an upward discharge hole 326 formed to discharge air in the direction. As such, when a plurality of hair drying discharge holes 322 are provided at different angles, a wide area of the hair can be dried at a time while combing.

Referring to the operation of the hair dryer assembly capable of simultaneously drying the scalp and hair of the present invention configured as described above are as follows.

First, power is supplied using the switch unit 215 of the air supplier 200 to operate the blower 210, and the air is supplied through the discharge port 203 by selecting the cold air and the hot air. To be supplied.

Next, after holding the body 310 and the brush 320 to the scalp surface and start combing, as shown in Figure 5, through the scalp drying outlet hole 322 directly to the scalp surface Air discharged at a predetermined pressure is supplied, and the hair is dried through the discharge holes 324 and 326 for drying the hair.

On the other hand, in the present invention, the hair drying discharge holes 324 and 326 may be air discharged in two or more directions according to two or situations. That is, since strong dry air can be supplied to a wide range of hairs, fast drying becomes possible efficiently.

In addition, it is possible to dry the scalp by using the air supplied through the scalp drying discharge hole 322, and when discharging the air of a strong pressure, it also brings a massage effect of the scalp. The scalp drying discharge hole 322 may also be configured of two or more.

On the other hand, the hair dryer assembly of the present invention, the air supply unit 200 to suck the air and discharge it to the outside, the brush is provided to the dry air to the scalp and hair while receiving the air supplied through the air supply unit 200 and combing It is divided into units (300).

That is, since the brush unit 300 and the air supply unit 200 are separated and used, when the air supply unit 200 is large in size, a large amount of high pressure air may be generated. In this case, it is possible to generate a strong wind, which can lead to shortening of the scalp and hair drying time, it is also possible to maximize the massage effect of the scalp.

Next, Figure 6 is an exploded perspective view of a brush unit according to another embodiment of the present invention, Figure 7 is a cross-sectional view after the brush unit of Figure 6 combined.

Brush unit 400 according to another embodiment of the present invention is provided with a vibration unit 430 to form the appearance and operate in accordance with the flow of air into the body portion 410 provided with the brush 420.

The body portion 410 is divided into an upper body portion 411 and a lower body portion 412, the bellows 415 that can be tensioned and contracted between the upper body portion 411 and the lower body portion 412 Is provided.

The vibration unit 430 includes a rotation shaft 431, a rotation fan 433, a rotation cam 435, and a collision plate 450, and the lower body portion 412 includes the rotation cam 435. Collision plate 450 is provided to collide when rotating to lower the lower body portion 412 by a predetermined displacement.

In addition, when the lower body portion 412 is out of the collision position with the rotary cam 435, the elastic member 470 is provided so as to immediately upward.

On the other hand, when the air is supplied to the inside of the body portion 410, for the smooth rotation of the rotating fan 433, the rotating shaft 431 is preferably installed to be biased toward one side of the body portion 410. Furthermore, an air flow guide 417 is provided on the side where the air is introduced, thereby inducing smooth rotation of the rotating fan 433.

8 is a view for explaining the principle of operation of the vibration unit in the brush unit according to another embodiment of the present invention.

In the brush unit 400 according to another embodiment of the present invention, when air is supplied from the air supply unit 200 to the brush unit 400, the rotating fan 433 rotates while the rotating wheel 433 is rotated. And the rotary cam 435 are rotated together.

In addition, while the rotary cam 435 rotates, the impact plate 450 is hit to move the lower body 412 downward, and the rotation cam 435 and the collision plate 450 are not interfered with each other. The elastic member 470 moves the lower body portion 412 back to the upper body portion 411.

This operation is made in a continuous operation at a high speed, and thus the lower body portion 412 forms a vibration movement up and down within a short time. The user using the hair dryer of the present invention gives a direct vibration to the scalp, thereby obtaining a stronger massage effect.

9 is an exploded perspective view of a brush unit according to another embodiment of the present invention, Figure 10 is a side cross-sectional view of FIG.

Brush unit 500 according to another embodiment of the present invention is provided with a vibration unit of a different form than the above-described embodiment.

That is, in the brush unit 500 according to another embodiment of the present invention, the vibration unit has a rotating fan which is installed so as to rotate in accordance with the flow of air into the body portion 510 provided with the brush 520. 560, the eccentric weight 570, the rotating shaft 575, and the rotating fan 560, the eccentric weight 570, and the rotating shaft 575 include a fixed casing 550 to be supported and rotated at a predetermined position therein. .

The fixed casing 550 is fixedly installed inside the body 510. The support jaw 512 supporting the lower portion of the fixed casing 550 is provided inside the body 510.

In addition, the rotating fan 560 and the eccentric weight 570 is fixed to form a state penetrated through the rotating shaft 575. At this time, the eccentric weight 570 forms a state in which the weight is eccentric with respect to the rotation shaft 575.

The fixed casing 550 is provided with a support rib 555 having a through hole 557 formed therein to rotatably support the rotating shaft 575 therethrough.

In addition, the lower portion of the rotary shaft 575 is rotatably supported and is provided with a rotary seating groove 588 in the center, the plurality of auxiliary ribs 585 in the outward direction along the circumference of the rotary seating groove 588. Is provided with a rotary support 580 is provided below the fixed casing (550).

In this case, insertion grooves 551 into which one end of the auxiliary rib 585 is inserted are provided at corresponding positions along the circumference of the fixed casing 550.

In addition, a stopper 590 is provided on the rotation shaft 575 between the support rib 555 and the rotation fan 560, and the rotation fan 560 moves upward along the support rib 555 along the longitudinal direction. It is preferable not to become.

In order to smoothly rotate the rotating shaft 575, the stopper 590 may be installed to form a predetermined distance from the support rib 555.

Although not shown, a separate bearing may be provided to smoothly rotate the rotation shaft 575 to a position where the rotation shaft 575 is connected to the support rib 555 or the rotation support 580.

Brush unit 500 according to another embodiment of the present invention configured as described above is the rotation fan 560 is rotated by the air pressure when air is supplied. In addition, the rotation shaft 575 and the eccentric cam 570 rotate together when the rotation fan 560 rotates.

In this case, since the eccentric weight 570 is installed on the rotating shaft of the rotating fan 560 in a state where the weight is eccentric, the rotating fan 560 rotates to generate vibration.

On the other hand, the rotating shaft 575 of the rotating fan 560 is connected to the fixed casing 550 by the support rib 555 and the auxiliary rib 585, the fixed casing 550 is the brush body portion Since it is fixed to the 510, the vibration caused by the shaking of the rotating fan 560 is transmitted to the brush body 510.

Accordingly, the user can bring the scalp massage effect with the drying of the scalp and hair.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them.

For example, the brush or brush unit may be provided with an access sensor to automatically operate the air supply unit when the brush touches the scalp or approaches a certain position.

In addition, the scalp drying discharge hole and the hair drying discharge hole are not all made of the same configuration in each brush, and some brushes are provided with only the hair drying discharge hole, and the remaining brush has the scalp drying discharge hole. It may be provided.

100: hair dryer assembly 200: air supply unit
201: casing 202: inlet
203: discharge port 210: blowing fan
220: drive motor 230: heating wire
240: sterilization unit 250: air supply hose
320: brush 321: discharge hole
322: drying hole for scalp drying 324: vertical discharge hole
326: upward discharge hole 430: vibration unit
431: rotation axis 433: rotation wheel
435: rotary cam 450: shock plate

Claims (13)

A body part having an inner hollow part;
A plurality of brushes provided in the body portion; And
A discharge hole provided in each of the brushes such that the air supplied to the hollow part is discharged at at least two different angles from the longitudinal direction of the brush;
Brush unit for hair dryer assembly capable of simultaneously drying the scalp and hair comprising a. The method of claim 1,
The discharge hole,
Outlet hole for scalp drying; And
Discharge hole for hair drying;
Brush unit for a hair dryer assembly capable of simultaneous drying of the scalp and hair comprising a. The method of claim 2,
The discharge hole for drying the scalp,
A plurality is provided along the length or the circumferential direction of the brush;
Brush unit for a hair dryer assembly capable of simultaneously drying the scalp and hair, characterized in that formed downwardly inclined toward the scalp. The method of claim 3,
The hair drying discharge hole,
A plurality is provided along the length or the circumferential direction of the brush;
Brush unit for hair dryer assembly capable of simultaneous drying of the scalp and hair, characterized in that provided on the scalp drying outlet hole. 5. The method of claim 4,
The hair drying discharge hole,
A vertical discharge hole made in a direction perpendicular to the length direction of the brush; And
An upward discharge hole formed to be inclined upward in the longitudinal direction of the brush;
Brush unit for a hair dryer assembly capable of simultaneous drying of the scalp and hair comprising a. The method of claim 1,
The plurality of brushes,
Brush unit for a hair dryer assembly capable of simultaneous drying of the scalp and hair, characterized in that it is formed longer and longer toward both sides with respect to the curved surface formed by the user's scalp. The method of claim 1,
The body portion
Brush unit for hair dryer assembly capable of simultaneous drying of the scalp and hair, characterized in that it further comprises a vibration unit to cause vibration to occur when the air is supplied. The method of claim 7, wherein
The body portion includes an upper body portion, a lower body portion and a bellows provided between the upper body portion and the lower body portion and being stretched / contracted,
The vibration unit includes a rotating fan provided in the upper body portion to be rotatable when air is supplied, a rotating cam provided to rotate together when the rotating fan rotates, and the lower body portion moves downward when the rotating cam rotates. Shock dryer provided in a position to interfere so that the interference with the rotating cam and the downward movement of the lower body portion is characterized in that it comprises an elastic member provided to the original position to the scalp and hair simultaneous drying possible hair dryer assembly Brush unit. 9. The method of claim 8,
The upper body portion,
Brush unit for a hair dryer assembly capable of simultaneous drying of the scalp and hair, characterized in that the air flow guide for adjusting the air supply direction to allow the rotation fan to rotate smoothly. The method of claim 7, wherein
The vibration unit,
A rotating fan rotatably installed when air flows into the body; And
An eccentric weight which is installed on the rotation shaft of the rotation fan together with the rotation fan and at the same time the weight is eccentric about the rotation shaft;
Brush unit for hair dryer assembly capable of simultaneously drying the scalp and hair comprising a. A casing having a suction port and a discharge port;
A blowing fan provided in the casing to suck air through the suction port and discharge the air sucked into the discharge port;
A driving motor to operate the blower fan when power is supplied;
An air supply hose having one end connected to the discharge port;
A body part connected to the other end of the supply supply hose and having an inner hollow part; And
A plurality of brushes provided in the body part to discharge the air supplied to the hollow part in at least two different directions;
Hair dryer assembly capable of simultaneously drying the scalp and hair comprising a. 12. The method of claim 11,
The casing includes:
Hair dryer assembly capable of simultaneously drying the scalp and hair, characterized in that it further comprises a sterilization unit. 12. The method of claim 11,
And an AC dimmer module electrically connected to the drive motor to control a rotational speed of the drive motor.

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