CN213045837U

CN213045837U - Electric hair drier with multiple air ducts

Info

Publication number: CN213045837U
Application number: CN202021670208.1U
Authority: CN
Inventors: 刘益帆; 徐银海
Original assignee: Anson Chongqing Electronic Technology Co ltd
Current assignee: Anson Chongqing Electronic Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-04-27
Anticipated expiration: 2030-08-12

Abstract

The utility model provides an electric hair drier in multiple wind channels, it is including air current passageway subassembly and air current drive arrangement. The airflow channel assembly comprises an air inlet, at least two independent air channels and at least two air outlets. The utility model discloses well air current drive arrangement drive ambient air flows out the air outlet through independent wind channel. The utility model can ensure the whole output air quantity of the electric hair drier by arranging a plurality of air outlets and corresponding air flow driving devices through the design of the air duct structure; and simultaneously, the utility model discloses still utilize the structure in each independent wind channel to reduce the whole noise at work of hair drier.

Description

Electric hair drier with multiple air ducts

Technical Field

The utility model relates to the field of household appliances, especially, relate to an electric hair drier in multiple wind channels.

Background

An electric hair dryer is a common household appliance and is mainly used for drying, shaping and the like of wet hair.

However, the existing hair dryers only provided with a single air duct and a single fan are generally adopted in the market, so that the air volume of the hair dryer is limited, and the noise of an air outlet is very obvious.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model aims to provide an electric hair drier with multiple air channels. This application is through the inside airflow channel subassembly of hair drier, through dispose air current drive arrangement in airflow channel subassembly, can drive ambient air and flow out from two at least air outlets of airflow channel subassembly, solves the less problem of air output of present hair drier ubiquitous, reduces hair drier noise simultaneously.

In order to achieve the above object, the present invention provides an electric hair dryer with multiple air ducts, wherein the electric hair dryer comprises:

an airflow channel assembly, the airflow channel assembly comprising: the air conditioner comprises an air inlet, at least two independent air channels and at least two air outlets correspondingly connected with the at least two independent air channels; and

and the air flow driving device is used for driving ambient air to flow into the electric blower from the air inlet and flow out of the at least two air outlets through the at least two independent air ducts.

Optionally, the multi-duct electric blower as described in any one of the above, wherein the airflow driving device includes at least two drivers correspondingly disposed in the at least two independent air ducts.

Optionally, the multi-duct electric blower as described in any one of the above, further comprising: an air volume adjusting device; the air volume adjusting device is used for controlling the rotating speed of each driver so as to respectively adjust the air volume in the independent air channel corresponding to the driver.

Optionally, the multi-duct electric blower as described in any one of the above, wherein the airflow passage assembly further includes an airflow temperature adjusting device for adjusting a temperature of the airflow passing through the airflow passage assembly.

Optionally, the electric blower with multiple air ducts as described in any one of the above embodiments, wherein the airflow temperature adjusting device includes a heating wire disposed between the airflow driving device and the air outlet and/or a heating material attached to a predetermined region on a surface of a side wall of the independent air duct.

Optionally, the multi-duct electric blower as described in any one of the above, further comprising: a handle housing; the at least two independent air channels are perpendicular to the handle shell, and the air inlet is formed in the lower end of the handle shell.

Optionally, the multi-duct electric blower as described in any one of the above, wherein the airflow channel assembly further comprises an air inlet duct; the air inlet duct is arranged in the handle shell, one end of the air inlet duct is connected with the air inlet, and the other end of the air inlet duct is connected with the at least two independent air ducts.

Optionally, the electric blower with multiple air ducts as described in any one of the above, wherein the side walls of the at least two independent air ducts are provided with a transition curved surface at the position where the air flow direction changes.

Optionally, the electric blower with multiple air ducts as described in any one of the above, wherein the air outlet is configured to have a reduced caliber in an air outflow direction.

Optionally, the multi-duct electric blower as described in any one of the above, further comprising: a negative ion generating device; the negative ion generating device is arranged between the airflow driving device and the air outlet.

Compared with the prior art, the utility model has the following technical effects:

the utility model provides an electric hair drier in multiple wind channels, it is including air current passageway subassembly and air current drive arrangement. The airflow channel assembly comprises an air inlet, at least two independent air channels and at least two air outlets. The air flow driving device drives the ambient air to flow out of the air outlet through the independent air channels respectively. The utility model discloses a to the design of wind channel structure, can guarantee the whole output amount of wind of hair drier through setting up a plurality of air outlets and the air current drive arrangement who corresponds. And simultaneously, the utility model discloses still utilize the structure in each independent wind channel to reduce the whole noise at work of hair drier. Compare in the mode through the pressure boost or increase fan rotational speed and improve the output of the amount of wind, the utility model discloses under the condition of the same amount of wind of output, noise level is obviously lower.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the invention for the purpose of explanation and not limitation of the invention. In the drawings:

figure 1 is a cross-sectional view of a first implementation of a multi-duct electric hair dryer in accordance with the present invention;

figure 2 is a cross-sectional view of a second implementation of a multi-duct electric hair dryer in accordance with the present invention;

figure 3 is a cross-sectional view of a third alternative implementation of a multi-duct electric hair dryer in accordance with the present invention;

figure 4 is a cross-sectional view of a fourth alternative embodiment of a multi-duct electric hair dryer in accordance with the present invention;

FIG. 5 is a schematic view of the direction of air flow in a first implementation of a multi-duct electric hair dryer in accordance with the present invention;

figure 6 is a cross-sectional view of a fifth alternative implementation of a multi-duct electric hair dryer in accordance with the present invention;

fig. 7 is a rear view of a first implementation of a multi-duct electric hair dryer in accordance with the present invention.

In the drawings, 1 denotes an independent air duct; 2 denotes an air outlet; 3 denotes an air flow driving device; 4 denotes a handle case; and 41 denotes an air inlet.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The meaning of "inside and outside" in the present invention means that, for the electric hair dryer itself, the direction of the air duct through which the air current flows from the inside of the housing is inside, and vice versa, rather than being specifically limited to the mechanism of the present invention.

The term "connected" as used herein may mean either a direct connection between elements or an indirect connection between elements through other elements.

The utility model discloses in the meaning of "upper and lower" indicate the user just when electric hair dryer, be promptly for last by the direction of the directional air outlet of air intake, otherwise promptly for down, and not right the utility model discloses a device mechanism's specific injecing.

In the present invention, the term "perpendicular" is not strictly perpendicular and includes a position relationship close to perpendicular, for example, the perpendicular included angle may be 90 ° ± x °, and x may be 5, 10, 15, etc. for example.

The utility model provides an electric hair drier in multi-wind channel, it can adopt the wind channel structure shown in figure 1, sets up electric hair drier to including main part and handle shell 4. Wherein, the main part of electric hair dryer can specifically set up to including:

the airflow channel assembly comprises an air inlet 41, at least two independent air channels 1 and at least two air outlets 2 correspondingly connected with the at least two independent air channels;

and the air flow driving device 3 is used for driving ambient air to flow into the electric blower from the air inlet 41 and flow out of the at least two air outlets 2 through the at least two independent air ducts 1. The air outlet 2 is set to be reduced in caliber along the air flow outflow direction, the effect of pressurizing subsonic air flow by the aid of the gradually-reduced spray pipe is utilized, the flow speed of the air flow at the air outlet 2 is increased through the air flow driving device 3, and accordingly the wind power and the wind speed of the electric hair dryer are improved to achieve the effect of quick drying. The airflow channel assembly also comprises an air inlet channel; the air inlet duct is arranged inside the handle shell 4, one end of the air inlet duct is connected with the air inlet 41, and the other end of the air inlet duct is connected with at least two independent air ducts 1.

The utility model discloses can set up the air intake 41 of hair drier at the lower extreme of its handle shell 4, set up air outlet 2 in the upper end of handle shell 4, provide the air current input to independent wind channel 1 through the inside air inlet duct of handle shell 4. The utility model discloses keep away from air intake 41 and air outlet 2 for user's head is kept away from as far as to air intake 41, and user's hair is inhaled air intake 41 when avoiding using, ensures the security of product use. The utility model discloses in each independent wind channel 1 can communicate to air intake 41 through the inside air inlet duct of hairdryer handle shell 4, each independent wind channel 1 independently provides air current output for an air outlet 2 respectively. The utility model discloses a to the design of wind channel structure, can guarantee the whole output amount of wind of hair drier through setting up a plurality of air outlets 2 and the air current drive arrangement 3 that corresponds. And simultaneously, the utility model discloses still utilize the structure in each independent wind channel 1 to reduce the whole noise at work of hair drier. Compare in the mode that improves electric hair drier amount of wind output through the pressure boost or increase fan rotational speed, the utility model discloses under the condition of the same amount of wind of output, noise level is obviously lower.

In some embodiments of the present invention, the airflow driving device 3 may include, for example, at least two drivers correspondingly disposed in the at least two independent air ducts 1, but it should be noted that the present invention is not limited to the number of drivers of the airflow driving device 3: the airflow driving device 3 may include, as shown in fig. 1 to 3, a driver respectively disposed in each of the independent air ducts 1; the airflow driving device 3 may also be composed of only a single driver, i.e. the single driver drives the ambient air to flow into the electric blower from the air inlet 41 and out of each air outlet 2 through each independent air duct 1.

The electric hair drier of the utility model can also be provided with an air quantity adjusting device; when each independent air channel 1 corresponds to one driver, the air quantity adjusting device is used for controlling the rotating speed of each driver so as to respectively adjust the air quantity in the independent air channel corresponding to the driver. And the air quantity adjusting device can adjust the rotating speed of each driver and can also open and close each driver, thereby realizing the function of selecting part of air channels to open or close the air channels while realizing the stepless speed regulation effect.

Referring to fig. 2 to 4, in the present invention, the independent air ducts 1 may be arranged transversely, or may be arranged longitudinally or in a staggered manner. The quantity and the specific arrangement mode can be correspondingly adjusted according to the needs, the utility model discloses do not do any restriction equally.

Referring to fig. 1, a partition plate may be further disposed in the air inlet duct inside the handle housing 4 of the electric hair dryer along the airflow flowing direction, and the air inlet duct is divided into air inlet ducts corresponding to the independent air ducts 1 by the partition plate. The independent air channels 1 are communicated with the air inlet air channels corresponding to the handle shell 4. The air duct can adopt a fluid mechanics design at the position where the direction of the air flow changes, and can avoid other noise and vibration problems.

Specifically, the first end of the independent air duct 1 may be configured to be connected to the air outlet 2, and the second end thereof may be configured to be connected to the upper end of the air inlet duct. In the manner shown in fig. 5, the airflow is guided upward from the second end of the independent air duct 1 and guided by the curved transition surface disposed at the position where the airflow direction changes, and then is converted into a horizontal direction, and flows out from the first end of the independent air duct 1 to the air outlet 2. The second end of the independent air duct 1 can be directly connected to the upper end of the partition plate, or the external shape of the independent air duct can be a trumpet shape, and the trumpet-shaped opening can extend into the air inlet duct inside the handle shell 4. Similarly, the present invention does not limit the structure of the second end of the independent air duct 1. Wherein the side walls of the independent air ducts 1 are also arranged with curved transition surfaces at the air flow direction changing positions.

Referring to fig. 6, in the present invention, the side wall of the independent air duct 1 is set to be an arc wall conforming to the fluid mechanics design, so as to reduce the structural vibration and the air flow impact, and reduce the noise generated in the air flow flowing process. For example, the curved wall may be provided with a curved transition surface at a position where the flow direction of the air current changes in the independent duct 1. The air flow guided by the curved transition surface can be smoothly switched from the air intake direction upward along the axial direction of the handle housing 4 to the output direction perpendicular to the air intake direction.

An air flow temperature adjusting device can be further arranged in the independent air duct 1 and used for adjusting the temperature of the air flow flowing through the independent air duct 1. The air flow temperature adjusting device may include, for example, an electric heating wire disposed between the air flow driving device 3 and the air outlet 2 and/or a heating material attached to a predetermined region of the sidewall surface of the independent air duct 1.

Specifically, the gas flow temperature adjusting device may be implemented by a heatable material such as a heating wire or an electric ceramic. It can be arranged between the airflow driving device 3 and the air outlet 2, and heats the airflow in the independent air duct 1 at the downstream of the airflow driving device 3. It also can laminate the lateral wall surface that sets up at independent wind channel 1, is integrated as an organic whole with independent wind channel 1. In this way, only a portion of the tube wall needs to be made of a heatable material, so that the entire tube wall of the independent air duct 1 can be heated by itself, and the air flow is uniformly heated in the process of passing through the independent air duct 1. The air flow temperature adjusting device can share one air duct, and can also be arranged in part or all of the air ducts separately. And, the utility model discloses with air current temperature adjusting device settings such as heating wire, heatable material in independent wind channel 1, make air current temperature adjusting device be located between air current drive arrangement 3 and the air outlet 2, sheltering from of accessible wind channel lateral wall and 2 structures of air outlet to avoid air current temperature adjusting device direct and the hair contact of inhaling the hair drier and burn the hair. The utility model discloses but still further through with the laminating setting of heatable materials such as electroceramics at the lateral wall surface in independent wind channel 1, make it and independent wind channel 1 integrated as an organic whole to further reduce the produced vortex and the vibration of air current temperature regulation apparatus, further reduce the work noise of hair drier.

The utility model discloses can set up to mutually perpendicular or set up to being close perpendicularly between the main part of the independent wind channel 1 of installation and the handle shell 4 of electric hair dryer for at least two independent wind channels 1 are perpendicular with handle shell 4. At least one air inlet 41 is arranged at the lower end of the handle shell 4, and the air inlet 41 is communicated with each independent air duct 1. Under such a mode, the utility model discloses can be independent of air duct structure with electric hair dryer's operating panel to the mode that figure 7 is shown sets up in the opposite direction of air outlet 2, and the person of facilitating the use operates, can also avoid circuit structure to receive the air current to strike through sheltering from of independent wind channel 1 and produce extra noise, avoids circuit structure to receive the inside hair of entering wind channel, foreign matter influence.

As shown in fig. 5 and 6, the air outlet 2 may be, for example, a hollow truncated cone structure, the caliber of which decreases along the airflow outflow direction, and the inner diameter of one end connected to the independent air duct 1 is larger than that of the other end. The aperture of the air outlet 2 is properly smaller than that of the internal independent air duct 1, so that the effect of gathering air flow can be achieved to increase air pressure, the air flow speed is improved by the air flow driving device 3, and the blowing effect of large air volume and strong wind power can be achieved. The trapezoidal cylindrical side surface at the front end of the hollow round platform of the air outlet 2 can also provide flow guide for the air outlet 2.

The utility model discloses can be for every wind channel air inlet alone, its air intake 41 can correspond and set up the zigzag opening to 4 bottoms of handle shell in the picture representation to stop that hairline debris gets into the wind channel. Each air outlet 2 can also realize diversion or shield the internal structure through the external structure thereof, thereby protecting the air flow driving device 3 such as an internal driver of the electric hair dryer.

When the electric hair drier system of the utility model starts to work: the control switch can simultaneously enable a plurality of drivers and can also enable partial drivers according to requirements.

In some embodiments of the present invention, the electric hair dryer may further include an auxiliary device such as an anion generator for protecting hair; the negative ion generating device may be disposed between the airflow driving device 3 and the air outlet 2, for example.

The utility model discloses an electric hair drier's advantage lies in: the air output is big, can dry out fast, and small in noise promotes user's experience.

Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-duct electric hair dryer, comprising:

an airflow channel assembly, the airflow channel assembly comprising: the air conditioner comprises an air inlet, at least two independent air channels and at least two air outlets correspondingly connected with the at least two independent air channels; and the air flow driving device is used for driving ambient air to flow into the electric blower from the air inlet and flow out of the at least two air outlets through the at least two independent air ducts.

2. The multi-duct electric hair dryer of claim 1, wherein said air flow driving means comprises at least two drivers disposed in said at least two independent air ducts.

3. A multi-duct electric hair dryer as claimed in claim 2, further comprising: an air volume adjusting device; the air volume adjusting device is used for controlling the rotating speed of each driver so as to respectively adjust the air volume in the independent air channel corresponding to the driver.

4. The multi-duct electric hair dryer of claim 1, wherein said airflow passageway assembly further comprises an airflow temperature regulating device for regulating the temperature of the airflow passing through said airflow passageway assembly.

5. The multi-duct electric blower of claim 4, wherein the air temperature adjusting means comprises a heating wire disposed between the air driving means and the air outlet and/or a heating material attached to a predetermined area of the side wall surface of the independent duct.

6. The multi-duct electric hair dryer of claim 1, further comprising: a handle housing; the at least two independent air channels are perpendicular to the handle shell, and the air inlet is formed in the lower end of the handle shell.

7. The multi-duct electric hair dryer of claim 6, wherein said air flow path assembly further comprises an air inlet duct; the air inlet duct is arranged in the handle shell, one end of the air inlet duct is connected with the air inlet, and the other end of the air inlet duct is connected with the at least two independent air ducts.

8. The multi-duct hair dryer of claim 1, wherein the side walls of said at least two independent ducts are provided with a transition curve where the direction of air flow changes.

9. The multi-duct hair dryer of claim 1, wherein the outlet is configured to have a reduced diameter in an outflow direction of the air flow.

10. The multi-duct electric hair dryer of claim 1, further comprising: a negative ion generating device; the negative ion generating device is arranged between the airflow driving device and the air outlet.