CN117064152B

CN117064152B - Multifunctional high-speed blower and control method

Info

Publication number: CN117064152B
Application number: CN202310998558.2A
Authority: CN
Inventors: 林琼全
Original assignee: Dongguan Bidisco Electric Co ltd
Current assignee: Dongguan Bidisco Electric Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-08-30
Anticipated expiration: 2043-08-08
Also published as: CN117064152A

Abstract

The invention belongs to the technical field of hairdressing appliances, and particularly relates to a multifunctional high-speed blower and a control method thereof, wherein the multifunctional high-speed blower comprises a blower handle, an air duct and a hair heating and shaping device; the air blowing handle comprises a handle shell, a circuit board, a high-speed fan and an electric heating assembly; the hair heating and shaping device is used for replacing the air duct to be connected to the second end of the handle shell, one end of the hair heating and shaping device is provided with a second connecting sleeve which is used for being sleeved at the air outlet, and the end part of the second connecting sleeve is provided with a connector which is used for being connected with the first contact to enable a heating module in the hair heating and shaping device to be electrically connected; when the hair heating and shaping device is sleeved at the air outlet of the handle shell, the first contact is connected with the electric connector in a conducting mode, and the control circuit in the handle shell recognizes the hair heating and shaping device, so that the air flow blown out from the cold air port is normal-temperature air flow in the hair straightening or hair curling process, and the hair cooling effect is ensured.

Description

Multifunctional high-speed blower and control method

Technical Field

The invention belongs to the technical field of blowers, and particularly relates to a multifunctional high-speed blower and a control method thereof.

Background

The blower is composed of a group of electric heating wires and a high-rotation-speed small fan, when the blower is electrified, the electric heating wires generate heat, and the air blown by the fan is changed into hot air through the electric heating wires. In order to dry the hair faster, a high speed blower is provided which, by increasing the rotational speed of the blower, gives a faster wind speed.

Chinese patent publication No. CN204483373U discloses an accessory for a hand-held appliance and a hand-held appliance, comprising: a handle having a fluid flow path from an inlet to an outlet and a fan unit for drawing fluid into the fluid inlet; and an accessory for attachment to the handle, the accessory comprising a first portion and a second portion, the first portion comprising a first end of the accessory and at least one plate extending from the first end, the second portion comprising a second end of the accessory and at least one other plate extending from the second end, wherein when the first and second portions are connected, at least two slots are formed between the at least one plate and the at least one other plate, the at least two slots defining a fluid outlet for the accessory.

The hand-held appliance disclosed in the above patent document can achieve the effects of curling hair and straightening hair, and particularly can replace different accessory heads, for example, when curling hair, the hair curling heads are arranged on handles, air flow blowing to the hair curling heads is formed by fans in the handles, and the air flow rotates along the outer surfaces of the accessory heads, so that the hair can be adsorbed on the outer surfaces of the accessories, and the hair can be dried and shaped. However, when the hot air flow is used for heating and shaping hair, the temperature of the air flow can be reduced due to the fact that the air flow is conveyed for a certain distance, so that the hair curling effect is affected, and in addition, the hair can only be adsorbed on the accessory along the direction of the air flow during hair curling, so that the hair curling effect is poor. Similarly, when hair is straightened, the hot air and the comb are adopted to comb the hair, so that the hair straightening efficiency is low and the hair straightening effect is poor.

Disclosure of Invention

The invention aims to provide a multifunctional high-speed blower and a control method, which solve the problems of low efficiency and poor effect of the existing high-speed blower that the conventional high-speed blower directly or curls hair by changing an accessory head and completely adopting an air flow mode.

In order to achieve the above object, a multifunctional high-speed blower according to an embodiment of the present invention includes:

The air blowing handle comprises a handle shell, a circuit board, a high-speed fan and an electric heating assembly, wherein an air channel is arranged in the handle shell, an air inlet is formed in the first end of the handle shell, an air outlet is formed in the second end of the handle shell, the circuit board, the high-speed fan and the electric heating assembly are arranged in the air channel, the circuit board is arranged close to the air inlet, the electric heating assembly is arranged close to the air outlet, a first contact is further arranged at the second end of the handle shell, and the first contact is electrically connected with the circuit board;

the air duct comprises a first connecting sleeve which is used for being sleeved at the air outlet, and one side of the air duct is provided with an air blowing opening; and

The hair heating and shaping device is used for replacing the air duct to be connected to the second end of the handle shell, one end of the hair heating and shaping device is provided with a second connecting sleeve which is used for being sleeved at the air outlet, and the end part of the second connecting sleeve is provided with a connector which is used for being connected with the first contact to enable a heating module in the hair heating and shaping device to be electrically connected; the hair heating and shaping device is a hair straightening comb or a hair curler, and the outer side of the hair heating and shaping device is also provided with a cold air port which is communicated with the second connecting sleeve.

Further, an identification element is arranged at one end of the handle shell, which is close to the air outlet, and is connected with the circuit board, and the identification element is used for identifying the hair heating and shaping device; when the hair heating and shaping device is sleeved at the air outlet of the handle shell, the electric heating assembly is not electrified, and the high-speed fan rotates at a low-gear rotating speed or does not rotate.

Further, the identification element comprises two second contacts, and the two second contacts are electrically connected with the circuit board; the end part of the second connecting sleeve is also provided with two conducting pieces, and when the second connecting sleeve is arranged at the air outlet of the handle shell, the conducting pieces are connected with the second contact in a conducting way.

Further, an annular clamping groove is formed in the end portion of the handle shell, the annular clamping groove enables the handle shell to be formed with an inner ring and an outer ring, and the inner ring is used for positioning the first connecting sleeve or the second connecting sleeve; the first contact is arranged in the annular clamping groove.

Further, a first clamping part is arranged on the inner side of the outer ring, a second clamping part is arranged on the outer side of the first connecting sleeve, and a third clamping part with the same structure as the first clamping part is arranged on the outer side of the second connecting sleeve; the first clamping part is a limiting groove, the second clamping part is a limiting protrusion, or the second clamping part is a limiting groove, and the first clamping part is a limiting protrusion.

Further, the limit groove comprises a guide-in section and a limit section, and the limit section is obliquely arranged; one side of the limiting bulge is extended with a limiting part, and after the limiting bulge and the limiting groove relatively rotate, the limiting part is limited in the limiting section; the handle shell is also provided with a sliding button, the sliding button is extended with a blocking piece, the second connecting sleeve is arranged in the annular clamping groove, and the sliding button is pushed, so that the blocking piece is pushed into the limiting groove and is limited at one side of the limiting protruding part far away from the limiting part.

Further, one end of the electric heating assembly extends to the mouth of the inner ring.

Further, the handle shell is provided with a sliding key, and the sliding key is provided with three gears and is used for controlling the low-speed rotation, the medium-speed rotation and the high-speed rotation of the high-speed fan; the sliding key is extended to be provided with a thrust piece and used for extending into the second connecting sleeve, and a baffle plate is arranged in the second connecting sleeve and used for blocking the thrust piece so that the sliding key is in a low-speed gear.

Further, the handle shell is a straight cylinder structure; when the air duct is sleeved at the air outlet, the air blowing opening is perpendicular to the air duct.

Further, the air duct also comprises a cylinder body and a flow guide piece, and the first connection sleeve is arranged at one end of the cylinder body; one side of the cylinder body is provided with a mounting opening, the guide piece is covered on the mounting opening, the inner side of the guide piece is provided with a flow dividing part extending into the cylinder body, the end part of the flow dividing part is attached to the other side of the cylinder body, two flow dividing channels are formed in the cylinder body, and the air blowing opening comprises two groups of through grooves arranged on the other side of the cylinder body, and the through grooves are communicated with the corresponding flow dividing channels.

Further, through holes extending along the directions of the two ends of the cylinder body are formed in the flow guide piece, and a flow dividing part is formed by extending inwards along the edges of the through holes; one side of the barrel body far away from the mounting opening is also provided with a through opening, the through opening is communicated with the through hole, and the through groove is arranged around the edge of the through opening.

Further, the air duct also comprises an air blowing head which is used for covering the opening of the through opening; the blowing head comprises a shell and an inner sleeve, the inner sleeve is sleeved in the shell and buckled with the cylinder, the end part of the shell is attached to the outer side of the cylinder, and an annular air channel is formed between the outer side surface of the inner sleeve and the inner side surface of the shell; one end of the annular air duct covers the air blowing port.

Further, the hair heating and setting device is a hair curler, the hair curler comprises a first clamping plate and a second clamping plate, one end of the first clamping plate is provided with a second connecting sleeve, and the second clamping plate is rotationally connected with the first clamping plate; the opposite sides of the first clamping plate and the second clamping plate are provided with heating plates, and the outer sides of the first clamping plate and the second clamping plate are provided with a plurality of air cooling openings.

Further, the hair straightening comb comprises a cylinder, an electric heating plate and a comb plate, wherein the second connecting sleeve is arranged at one end of the cylinder, and the other end of the second connecting sleeve is of a closed structure; one side of the cylinder is provided with a mounting cavity, the comb plate covers the opening of the mounting cavity, and the comb plate is provided with a plurality of air cooling openings and comb teeth; the electric heating plate is attached to the inner side of the comb plate.

The above technical solutions in the multifunctional high-speed blower provided by the embodiments of the present invention have at least the following technical effects: when the hair dryer is required to be used for blowing hair, the air duct can be sleeved at the air outlet of the handle shell, air flow is formed through the high-speed fan, and the air flow is blown out from the air outlet of the air duct after being heated by the electric heating assembly, so that hair blowing is realized. When hair is straightened or curled and shaped, the air cylinder is taken down from the end part of the handle shell, the hair heating and shaping device with the hair straightening function or the hair curling function is installed at the air outlet of the handle shell, and the electric connector is connected and communicated with the first contact, so that the heating module in the hair heating and shaping device is electrified, the hair heating and shaping device can directly heat and shape hair, and in the hair shaping process, air flow can be formed by the high-speed fan, and the air flow blows out from the cold air outlet to cool the hair, thereby achieving the effect of cooling and shaping and improving the efficiency of hair shaping. And when the hair is shaped, the hair is directly heated and shaped by the hair heating and shaping device, so that the hair shaping effect is improved.

When the hair heating and shaping device is sleeved at an air outlet of the handle shell, the first contact is connected with the electric connector in a conducting mode, a control circuit in the handle shell recognizes the hair heating and shaping device, the control circuit controls a heating module in the hair heating and shaping device to be electrified, an electric heating assembly in the handle shell cannot be electrified, and the high-speed fan can only run at a low rotating speed for supplying air.

The above technical solutions in the control method of the multifunctional high-speed blower provided by the embodiments of the present invention at least have the following technical effects: when the hair heating and shaping device is sleeved at the air outlet of the handle shell, the first contact is connected with the electric connector in a conducting manner, the control circuit in the handle shell identifies the hair heating and shaping device, the control circuit controls the heating module in the hair heating and shaping device to be electrified, the electric heating assembly in the handle shell cannot be electrified, the high-speed fan can only operate at a low rotating speed to supply air, the hair shaping is prevented from being influenced by overlarge air flow, and in the process of hair straightening or hair curling, the air flow blown out from the cold air port is normal-temperature air flow, so that the cooling effect on hair is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a block diagram of a multifunctional high-speed blower according to an embodiment of the present invention.

Fig. 2 is a block diagram of a blower handle portion of a multifunctional high-speed blower according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a blower handle of a multifunctional high-speed blower provided in an embodiment of the present invention.

Figure 4 is a block diagram of a curling iron of a multifunctional high-speed hair dryer, according to an embodiment of the present invention.

Fig. 5 is a block diagram of a hair straightening comb of a multifunctional high-speed blower according to an embodiment of the present invention.

Fig. 6 is a structural diagram of a dryer of a multifunctional high-speed blower according to an embodiment of the present invention.

Fig. 7 is a diagram illustrating the other side of the air duct of the multifunctional high-speed blower according to the embodiment of the present invention.

Fig. 8 is a structural diagram of a wind drum provided with a blowing head of the multifunctional high-speed blower according to the embodiment of the invention.

Fig. 9 is a block diagram of another embodiment of a multifunctional high-speed blower provided in accordance with an embodiment of the present invention.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the invention and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the multifunctional high-speed blower of the present invention, please refer to fig. 1-3, specifically, the multifunctional high-speed blower comprises: the air blast handle 100, the air duct 200, and the hair heating setting device 300. Wherein:

Referring to fig. 2 and 3, the blower handle 100 includes a handle case 110, a circuit board 120, a high-speed fan 130, and an electric heating assembly 140; an air duct 111 is arranged in the handle shell 110, an air inlet 112 is arranged at a first end of the handle shell 110, and an air outlet 113 is arranged at a second end of the handle shell 110. The circuit board 120, the high-speed fan 130 and the electric heating assembly 140 are arranged in the air duct 111, the circuit board 120 is arranged close to the air inlet 112, and the electric heating assembly 140 is arranged close to the air outlet 113. The circuit board is provided with a control circuit and a control button, and the control of the electric heating assembly 140 and the high-speed fan 130 by the control circuit is a conventional technology in the art, so that the details are not repeated in this embodiment. The second end of the handle housing 110 is also provided with a first contact 114, the first contact 114 being electrically connected to a circuit board 120. Further, the handle housing 110 is a straight tube structure; when the air duct 200 is sleeved at the air outlet 113, the air blowing opening 201 is perpendicular to the air duct 111.

Referring to fig. 6 and 7, the air duct 200 includes a first connection sleeve 210 for being sleeved at the air outlet 113, and an air blowing port 201 is provided at one side of the air duct 200. When the blower is needed to blow hair, the air duct 200 can be sleeved at the air outlet 113 of the handle shell 110, air flow is formed through the high-speed fan 130, and the air flow is blown out from the air outlet 201 of the air duct 200 after being heated by the electric heating assembly 140, so that the hair is blown.

Referring to fig. 4 and 5, the hair heating setting device 300 is for replacing the second end of the air duct 200 connected to the handle housing 110. Specifically, when the hair heating and setting device 300 is needed, the air duct 200 on the handle housing 110 can be removed, and the hair heating and setting device 300 is installed at the air outlet 113 of the handle housing 110. Specifically, one end of the hair heating and setting device 300 is provided with a second connecting sleeve 310, which is used for being sleeved at the air outlet 113, and the end of the second connecting sleeve 310 is provided with a connector 311, which is used for connecting the first contact 114, so that the heating module in the hair heating and setting device 300 is electrically connected. The hair heating and setting device 300 may be a hair straightening comb or a hair curler, and the outer side of the hair heating and setting device 300 is further provided with a cold air port 301, which is communicated with the second connecting sleeve 310, and when the second connecting sleeve 310 is sleeved at the air outlet 113 of the handle shell 110, the cold air port 301 is communicated with the air duct 111.

In the above embodiment, when hair is straightened or curled, the air duct 200 is removed from the end of the handle housing 110, the hair heating and setting device 300 with the straightening or curling function is mounted at the air outlet 113 of the handle housing 110, and the electrical connector 311 is connected to the first contact 114, so that the heating module in the hair heating and setting device 300 can be electrified, and then the hair can be directly heated and set by the hair heating and setting device 300, and in the process of setting hair, air flow can be formed by the high-speed fan 130, and the air flow blows out from the cold air outlet 301 to cool the hair, thereby achieving the effect of cooling and setting, and improving the efficiency of hair setting. And when the hair is shaped, the hair is directly shaped by heating by the hair heating and shaping device 300, so that the hair shaping effect is improved.

Specifically, the first contact 114 is two spring pins, and the ends of the spring pins are hemispherical structures and extend from the ends of the handle shell 110. The spring pins are connected to the circuit board 120. The connector 311 is two conductive blocks disposed at the end of the second connecting sleeve 310.

In the control method of the multifunctional high-speed blower in the above embodiment, when the hair heating and setting device 300 is sleeved at the air outlet 113 of the handle shell 110, the first contact 114 is connected with the power connector 311 in a conducting manner, the control circuit in the handle shell 110 recognizes that the hair heating and setting device 300, the control circuit controls the heating module in the hair heating and setting device 300 to be electrified, the electric heating assembly 140 in the handle shell 110 is disconnected and cannot be electrified, and the high-speed blower 130 can only operate to supply air at a low rotation speed. The air flow is prevented from being too large to affect hair shaping, and in the process of straightening or curling hair, the air flow blown out from the cold air port is normal-temperature air flow, so that the cooling effect on the hair is ensured.

Further, an identification element is further disposed at one end of the handle housing 110 near the air outlet 113 and is connected to the circuit board 120, and the identification element is used for identifying the hair heating and setting device 300. Specifically, when the hair heating and setting device 300 is sleeved at the air outlet of the handle shell 110, the electric heating assembly 140 is not electrified, and the high-speed fan 130 rotates at a low-gear speed or does not rotate. Specifically, in the present embodiment, when the hair heating and setting device 300 is mounted on the handle housing 110, after the identification element detects that the hair heating and setting device 300 is powered on, the control circuit controls the electric heating module of the hair heating and setting device 300 to be powered on and generate heat, while the electric heating assembly 140 in the handle housing 110 is completely disconnected, and the control circuit controls the high-speed fan 130 to be only operable in the low gear.

Further, referring to fig. 2, 4 and 5, the identification element includes two second contacts 115, and the two second contacts 115 are electrically connected to the circuit board 120. The end of the second connecting sleeve 310 is further provided with two conducting members 312, and when the second connecting sleeve 310 is arranged at the air outlet 113 of the handle shell 110, the conducting members 312 are connected with the second contact 115 in a conducting manner. So that the second contact 115, the circuit board 120 and the conductive member 312 form a current loop, it can be detected that the hair heating and setting device 300 is mounted at the air outlet 113 of the handle housing 110. Further, the two conducting members 312 are connected by a thermistor, and automatic power-off is realized after the temperature of the hair heating and setting device 300 is too high.

Further, referring to fig. 2 and 3, the end of the handle case 110 is further provided with an annular catching groove 116, the annular catching groove 116 forming the handle case 110 with an inner ring 116a and an outer ring 116b, the inner ring 116a being used to position the first connecting sleeve 210 or the second connecting sleeve 310. Specifically, when the air duct 200 is sleeved with the air outlet 113 of the handle shell 110, the air duct is sleeved outside the inner ring 116a through the first connecting sleeve 210; and when the hair heating and setting device 300 is sleeved on the handle housing 110, it is sleeved outside the inner ring 116a through the second connecting sleeve 310. The first contact 114 is disposed within an annular card slot 116. Still further, one end of the thermoelectric module 140 extends to the mouth of the inner ring 116 a. When the first connecting sleeve 210 of the air duct 200 is sleeved on the inner ring 116a, the hot air flow can completely enter the air duct 200, and the heat loss can be reduced.

Further, referring to fig. 2 and 3, the inner side of the outer ring 116b is provided with a first clamping portion 117, the outer side of the first connecting sleeve 210 is provided with a second clamping portion 211, and the outer side of the second connecting sleeve 310 is provided with a third clamping portion 313 having the same structure as the first clamping portion 117. The first clamping portion 117 is a limiting groove, the second clamping portion 211 is a limiting protrusion, or the second clamping portion 211 is a limiting groove, and the first clamping portion 117 is a limiting protrusion. Specifically, when the first connecting sleeve 210 on the air duct 200 or the second connecting sleeve 310 of the hair heating and setting device 300 is sleeved on the inner ring 116a, the first clamping portion 117 is connected with the second clamping portion 211 or the third clamping portion 313 in a matching manner. Further, the number of the first clamping portion 117, the second clamping portion 211 and the third clamping portion 313 is plural, so that the connection is more stable.

Further, referring to fig. 1,2, 6 and 9, the limit groove includes a guiding section and a limit section, and the limit section is obliquely arranged. One side of the limiting bulge is extended with a limiting part. The air duct 200 or the hair heating and setting device 300 is assembled with the handle case 110 such that the limiting protrusion slides into the limiting groove and rotates by a certain angle, so that the limiting part is limited in the limiting section. The handle shell 110 is further provided with a sliding button 118, the sliding button 118 is extended with a blocking piece 119, the second connecting sleeve 310 is arranged in the annular clamping groove 116, when the limiting part is limited in the limiting section, the sliding button 118 can be pushed, the blocking piece 119 is pushed into the limiting groove and is limited at one side of the limiting protruding part far away from the limiting part, reverse rotation can be prevented, and the connection stability of the air duct 200 and the hair heating and shaping device 300 with the handle shell 110 is ensured.

Further, after the hair heating and setting device 300 is sleeved on the handle housing 110, the high speed fan 130 can be controlled to rotate only at a low rotation speed by a mechanical structure. Specifically, the handle case 110 is provided with a sliding button (not shown) having three gears for controlling the low-speed rotation, the medium-speed rotation and the high-speed rotation of the high-speed fan. The sliding key is extended with a thrust piece (not shown in the drawing) for extending into the second connecting sleeve 310, and a baffle (not shown in the drawing) is arranged in the second connecting sleeve 310 and used for blocking the thrust piece, so that the sliding key can only be in a low-speed gear or a closed state.

Further, the hair heating setting device 300 is an embodiment of a hair curler, and in particular, referring to fig. 4, the hair curler includes a first clamping plate 320 and a second clamping plate 321. One end of the first clamping plate 320 is provided with a second connecting sleeve 310, and the second clamping plate 321 is rotatably connected with the first clamping plate 320. The opposite sides of the first clamping plate 320 and the second clamping plate 321 are provided with heating plates 322, and the outer sides of the first clamping plate 320 and the second clamping plate 321 are provided with a plurality of air cooling ports 301. During hair curling, hair is clamped through the first clamping plate 320 and the second clamping plate 321, hair is heated and shaped through the heating plate 322, and in the hair curling process, the high-speed fan 130 rotates at a low speed to form low-speed air flow, the cold air inlet 301 can blow on the hair, the heated hair is cooled, and the shaping efficiency is accelerated.

Further, hair heat setting device 300 is an embodiment of a hair straightening comb; specifically, referring to fig. 5, the hair straightening comb includes a cylinder 330, an electric heating plate 331, and a comb plate 332. The second connecting sleeve 310 is arranged at one end of the cylinder 330, and the other end of the cylinder 330 is of a closed structure. One side of the cylinder 330 is provided with a mounting cavity, the comb plate 332 covers the opening of the mounting cavity, and the comb plate 332 is provided with a plurality of air cooling ports 301 and comb teeth 333. The electric heating plate 331 is attached to the inside of the comb plate 332.

Further, in an implementation of the air duct 200, specifically referring to fig. 6 and 7, the air duct 200 further includes a cylinder 220 and a guiding member 230, and the first connecting sleeve 210 is disposed at one end of the cylinder 220. One side of the cylinder 220 is provided with a mounting opening 221, the guide piece 230 covers the mounting opening 221, the inner side of the guide piece 230 is provided with a diversion part 231 extending into the cylinder 220, the end part of the diversion part 231 is attached to the other side of the cylinder 220, so that two diversion channels are formed in the cylinder 220, and the air blowing opening 201 comprises two groups of through grooves arranged on the other side of the cylinder 220, and the through grooves are communicated with the corresponding diversion channels. In this embodiment, two diversion channels are formed in the cylinder 220 by the diversion portion 231, which has a diversion effect on the airflow and increases the pressure of the airflow.

Further, referring to fig. 6 and 7, the guide 230 is provided with through holes 232 extending along both ends of the cylinder 220, and a diverting part 231 is formed to extend inward along the edge of the through holes 232; the side of the cylinder 220 away from the mounting opening 221 is further provided with a through opening 222, the through opening 222 is communicated with a through hole 232, and a through groove is formed around the edge of the through opening 222. In the present embodiment, when the air flow is blown out from the air outlet 201, a certain negative pressure is formed in the through-hole 222, so that the external air flow enters from the through-hole 232, and the air flow is blown out from the through-hole 222 together with the hot air flow toward the hair.

Further, referring to fig. 8, the wind tunnel 200 further includes a blowing head 240 for covering the mouth of the through-hole 222, so that the airflow can be further converged by the blowing head 240 to increase the airflow pressure. Specifically, the blowing head 240 includes a casing 241 and an inner sleeve 242, the inner sleeve 242 is disposed in the casing 241, the inner sleeve 242 is buckled with the cylinder 220, the end of the casing 241 is attached to the outer side of the cylinder 220, and an annular air duct 243 is formed between the outer side surface of the inner sleeve 242 and the inner side surface of the casing 241; one end of the annular air duct 243 covers the air blowing port 201.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. A multifunctional high-speed blower, comprising:

The air blowing handle comprises a handle shell, a circuit board, a high-speed fan and an electric heating assembly, wherein an air channel is arranged in the handle shell, an air inlet is formed in the first end of the handle shell, an air outlet is formed in the second end of the handle shell, the circuit board, the high-speed fan and the electric heating assembly are arranged in the air channel, the circuit board is close to the air inlet, the electric heating assembly is close to the air outlet, a first contact is further arranged at the second end of the handle shell, and the first contact is electrically connected with the circuit board;

The air duct comprises a first connecting sleeve, is used for being sleeved at the air outlet, and is provided with an air blowing port at one side; and

The hair heating and shaping device is used for replacing the air duct to be connected to the second end of the handle shell, one end of the hair heating and shaping device is provided with a second connecting sleeve which is used for being sleeved at the air outlet, and the end part of the second connecting sleeve is provided with a power connection head which is used for being connected with the first contact so as to lead a heating module in the hair heating and shaping device to be electrically connected; the hair heating and shaping device is a hair straightening comb or a hair curler, and a cold air port is further arranged on the outer side of the hair heating and shaping device and is communicated with the second connecting sleeve;

When the hair heating and shaping device is sleeved at the air outlet of the handle shell, the first contact is connected with the power connector in a conducting mode, the control circuit in the handle shell recognizes the hair heating and shaping device, the control circuit controls the heating module in the hair heating and shaping device to be electrified, the electric heating assembly in the handle shell cannot be electrified, and the high-speed fan can only operate at a low rotating speed to supply air.

2. A multifunctional high-speed blower according to claim 1, characterized in that: an identification element is further arranged at one end, close to the air outlet, of the handle shell and is connected with the circuit board, and the identification element is used for identifying the hair heating and shaping device; when the hair heating and shaping device is sleeved at the air outlet of the handle shell, the electric heating assembly is not electrified, and the high-speed fan rotates at a low-gear rotating speed.

3. A multifunctional high-speed blower according to claim 2, characterized in that: the identification element comprises two second contacts, and the two second contacts are electrically connected with the circuit board; the end part of the second connecting sleeve is also provided with two conducting pieces, and when the second connecting sleeve is arranged at the air outlet of the handle shell, the conducting pieces are connected with the second contact in a conducting way.

4. A multifunctional high-speed blower according to claim 1, characterized in that: the end part of the handle shell is also provided with an annular clamping groove, the annular clamping groove enables the handle shell to be formed with an inner ring and an outer ring, and the inner ring is used for positioning the first connecting sleeve or the second connecting sleeve; the first contact is arranged in the annular clamping groove.

5. The multifunctional high-speed blower according to claim 4, wherein: the inner side of the outer ring is provided with a first clamping part, the outer side of the first connecting sleeve is provided with a second clamping part, and the outer side of the second connecting sleeve is provided with a third clamping part with the same structure as the first clamping part; the first clamping part is a limiting groove, the second clamping part is a limiting protrusion, or the second clamping part is a limiting groove, and the first clamping part is a limiting protrusion.

6. The multifunctional high-speed blower according to claim 5, wherein: the limiting groove comprises a leading-in section and a limiting section, and the limiting section is obliquely arranged; one side of the limiting bulge is extended with a limiting part, and after the limiting bulge and the limiting groove relatively rotate, the limiting part is limited in the limiting section; the handle shell is further provided with a sliding button, a blocking piece extends from the sliding button, the second connecting sleeve is arranged in the annular clamping groove to push the sliding button, so that the blocking piece is pushed into the limiting groove and is limited on one side, away from the limiting part, of the limiting protruding part.

7. The multifunctional high-speed blower according to claim 4, wherein: one end of the electric heating component extends to the opening part of the inner ring.

8. The multifunctional high-speed blower according to any one of claims 1 to 7, wherein: the handle shell is provided with a sliding key, and the sliding key is provided with three gears and is used for controlling the high-speed fan to rotate at a low speed, at a medium speed and at a high speed; the sliding key is extended to be provided with a thrust piece and used for extending into the second connecting sleeve, and a baffle plate is arranged in the second connecting sleeve and used for blocking the thrust piece so that the sliding key is in a low-speed gear.

9. The multifunctional high-speed blower according to any one of claims 1 to 7, wherein: the handle shell is of a straight cylinder structure; when the air duct is sleeved at the air outlet, the air blowing opening is perpendicular to the air duct.

10. The multifunctional high-speed blower according to claim 9, wherein: the air duct also comprises a cylinder body and a flow guide piece, and the first connection sleeve is arranged at one end of the cylinder body; one side of the cylinder body is provided with a mounting opening, the guide piece covers the mounting opening, the inner side of the guide piece is provided with a diversion part extending into the cylinder body, the end part of the diversion part is attached to the other side of the cylinder body, so that two diversion channels are formed in the cylinder body, the air blowing opening comprises two groups of through grooves arranged on the other side of the cylinder body, and the through grooves are communicated with the corresponding diversion channels.

11. The multifunctional high-speed blower according to claim 10, wherein: the guide piece is provided with through holes extending along the directions of the two ends of the cylinder body, and the through holes extend inwards along the edges of the through holes to form the diversion part; one side of the barrel body far away from the mounting opening is also provided with a through opening, the through opening is communicated with the through hole, and the through groove is arranged around the edge of the through opening.

12. The multifunctional high-speed blower according to claim 11, wherein: the air duct also comprises an air blowing head which is used for covering the opening of the through opening; the air blowing head comprises a shell and an inner sleeve, the inner sleeve is arranged in the shell and buckled with the cylinder body, the end part of the shell is attached to the outer side of the cylinder body, and an annular air channel is formed between the outer side surface of the inner sleeve and the inner side surface of the shell; one end of the annular air duct covers the air blowing opening.

13. The multifunctional high-speed blower according to any one of claims 1 to 7, wherein: the hair heating and setting device is a hair curler, the hair curler comprises a first clamping plate and a second clamping plate, one end of the first clamping plate is provided with the second connecting sleeve, and the second clamping plate is rotationally connected with the first clamping plate; the opposite sides of the first clamping plate and the second clamping plate are provided with heating plates, and the outer sides of the first clamping plate and the second clamping plate are provided with a plurality of air cooling openings.

14. The multifunctional high-speed blower according to any one of claims 1 to 7, wherein: the hair straightening comb comprises a cylinder, an electric heating plate and a comb plate, wherein the second connecting sleeve is arranged at one end of the cylinder, and the other end of the second connecting sleeve is of a closed structure; one side of the cylinder is provided with an installation cavity, the comb plate covers the opening of the installation cavity, and the comb plate is provided with a plurality of cold air ports and comb teeth; the electric heating plate is attached to the inner side of the comb plate.