CN219500586U

CN219500586U - Hair drier

Info

Publication number: CN219500586U
Application number: CN202320167993.6U
Authority: CN
Inventors: 粟应江
Original assignee: Deep Intelligent Control Information Technology Shenzhen Co ltd
Current assignee: Deep Intelligent Control Information Technology Shenzhen Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-08-11
Anticipated expiration: 2033-02-09

Abstract

The present utility model provides a hair dryer, comprising: the air conditioner comprises a fan and a shell, wherein an air outlet, an air inlet, a cavity and a backflow baffle are arranged in the shell, the air outlet, the air inlet and the cavity are communicated, the fan is accommodated in the cavity and located at the joint of the cavity and the air inlet, so that wind at the air inlet is guided to the air outlet, and the backflow baffle is located between the air outlet position of the fan and the air outlet, so that wind generated by the fan is shunted and conveyed to the air outlet. The air conditioner comprises a first air duct, a second air duct, a shell, a backflow baffle, a first air duct, a second air duct, a backflow baffle and a heat dissipation device.

Description

Hair drier

Technical Field

The utility model relates to the technical field of household appliances, in particular to a blower.

Background

In the prior art, the heat dissipation mode of the blower mainly adopts the following modes: 1. radiating by a shell or radiating by radiating fins, and radiating by natural convection; 3. radiating by heat radiation; the three modes mainly rely on heat conduction and heat dissipation of the shell or the radiating fins.

The circuit board is installed in the inside of hair-dryer generally, when making the hair-dryer of small volume, because the interior space environment of small-size hair-dryer is comparatively narrow and small, the convection wind power that produces is very little, and convection wind power is poor to the radiating effect of the inside of hair-dryer.

Disclosure of Invention

The utility model mainly aims to provide a blower, which solves the technical problem of poor radiating effect of a blower with a small volume in the prior art.

To achieve the above object, the present utility model proposes a blower including:

a blower;

the air conditioner comprises a shell, wherein an air outlet, an air inlet, a cavity and a backflow baffle are arranged in the shell, the air outlet, the air inlet and the cavity are communicated, the fan is accommodated in the cavity and located at the joint of the cavity and the air inlet, so that wind at the air inlet is guided to the air outlet, and the backflow baffle is located between the air outlet position of the fan and the air outlet, so that wind generated by the fan is shunted and conveyed to the air outlet.

Further, the backflow baffle comprises a flow dividing part and a backflow part, the flow dividing part extends from the air outlet position of the fan so as to divide the air generated by the fan, and the backflow part is provided with a U-shaped air channel and extends from the flow dividing part to the air outlet.

Further, the reflux part comprises a first air cylinder, a first cylinder shell, a first air cavity, a first air inlet and a first air outlet are arranged in the air cylinder, the flow dividing part extends to the first air inlet of the air cylinder and is connected with the first cylinder shell, and the first air cavity, the first air inlet and the first air outlet are communicated to form a first air channel.

Further, the shunt part comprises a body, the body includes induced air end, link and at least one stiff end, induced air end orientation the fan side, the link with induced air end back to the back position and with first shell is connected, at least one stiff end with the inner wall connection of casing, wherein, at least one stiff end simultaneously with induced air end and link are adjacent.

Further, the backflow baffle is arranged as a second air channel to separate the air channel adjacent to the first air inlet.

Further, the blower further includes:

the heating element is arranged at the air outlet position of the fan and is connected with the shell.

Further, the shell is provided with an electric connection position, the blower further comprises a built-in power supply, the output end of the electric connection position is electrically connected with the input end of the built-in power supply, the output end of the built-in power supply is electrically connected with the heating element, and the input end of the electric connection position is connected with an external power supply.

In the embodiment of the utility model, an air outlet, an air inlet, a cavity and a backflow baffle are arranged in the shell through the fan and the shell, and the air outlet, the air inlet and the cavity are communicated, wherein the fan is accommodated in the cavity and is positioned at the joint of the cavity and the air inlet so as to guide the air at the air inlet to the air outlet, and the backflow baffle is positioned between the air outlet position of the fan and the air outlet so as to guide the air generated by the fan to the air outlet. The air conditioner comprises a first air duct, a second air duct, a shell, a backflow baffle, a first air duct, a second air duct, a backflow baffle and a heat dissipation device.

Drawings

In order to more clearly illustrate the technical solutions of embodiments or examples of the present utility model, the drawings that are required to be used in the embodiments or examples of the present utility model will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained from those shown in the drawings without inventive effort to those skilled in the art.

Fig. 1 is a schematic view showing an external structure of a blower according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing the external structure of a duct section according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a blower according to an embodiment of the present utility model;

figure 4 is a side cross-sectional view of a blower according to an embodiment of the utility model.

Numbering: 1. the device comprises a handle, 11, a backflow baffle, 2, an air duct, 21, a first cylinder shell, 22, a first air duct, 23, a second air duct, 3 and heating components.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is 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 at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1-4, the present utility model provides a hair dryer.

In one embodiment, as shown in fig. 1-4, the blower includes:

a blower;

the air conditioner comprises a shell, wherein an air outlet, an air inlet, a cavity and a backflow baffle 11 are arranged in the shell, the air outlet, the air inlet and the cavity are communicated, the fan is accommodated in the cavity and located at the joint of the cavity and the air inlet, so that wind at the air inlet is guided to the air outlet, and the backflow baffle 11 is located between the air outlet position of the fan and the air outlet, so that wind generated by the fan is shunted and conveyed to the air outlet.

Specifically, the hair dryer comprises a drive assembly and a housing comprising the handle 1 and the air duct 2 described above. The driving assembly comprises a fan and an impeller, and the fan can drive the impeller to rotate at a high speed so as to bring outside air into the air duct 2 or discharge air flow in the air duct 2 to the outside, thereby forming blowing or sucking air. The handle 1 is provided with an air inlet, the air duct 2 is provided with an air outlet, the air inlet and the cavity are communicated, the fan is accommodated in the cavity and is positioned at the joint of the cavity and the air inlet, so that wind at the air inlet is guided to the air outlet, and the backflow baffle 11 is positioned between the air outlet position of the fan and the air outlet, so that wind generated by the fan is shunted and conveyed to the air outlet. The air duct 2 comprises a first end and a second end which are opposite, the first end is provided with an air outlet, the second end is airtight, the interior of the air duct 2 is provided with a first air cavity, and the air outlet is communicated with the first air cavity. The fan drives the impeller to rotate, and can drive the air outlet to suck or blow. The specific shape of the air outlet is set according to scene requirements.

It should be noted that, the backflow baffle 11 includes a diversion portion and a backflow portion, the diversion portion extends from the air outlet position of the fan, so as to divert the air generated by the fan, and the backflow portion is provided with a U-shaped air duct and extends from the diversion portion to the air outlet.

Specifically, the reflux portion includes a first wind barrel 2, a first wind cavity, a first air inlet and a first air outlet are arranged in the wind barrel 2, the flow dividing portion extends to the first air inlet of the wind barrel 2 and is connected with the first wind barrel 21, and the first wind cavity, the first air inlet and the first air outlet are communicated to form a first air duct 22. The backflow baffle 11 separates the air channel adjacent to the first air inlet from a second air channel 23. The independent cavity is formed between the shell and the first air duct 22 or between the shell and the second air duct 23, most of air quantity generated by the fan flows out of the first air duct 22, and the backflow baffle 11 enables preset air quantity to enter the second air duct 23 when the fan outputs air and is discharged from the air outlet, so that the effects of diversion and heat dissipation are achieved. Wherein the preset air volume accounts for natural numbers such as 5% or 8% or 10% or 12% or 15% or 17% or 19% or 20% of the total air volume.

Further, the shunt part comprises a body, the body includes induced air end, link and at least one stiff end, the induced air end orientation the fan side, the link with induced air end back to the back position and with first shell 21 is connected, at least one stiff end with the inner wall of casing is connected, wherein, at least one stiff end simultaneously with induced air end and link are adjacent. To ensure that the shunt portion is securely fixed.

Of course, the fan comprises a motor and a fan, and the fan is further provided with a fan driver, wherein the fan driver comprises a driving circuit and a driving algorithm matched with the driving circuit, and the driving circuit is driven to control the fan to work based on the driving algorithm. The working frequency of the fan is conveniently obtained and adjusted, and the total air output of the fan is calculated according to the working frequency. The fan driver drives the motor to rotate, and the fan is arranged at the rotor position of the motor and rotates synchronously with the rotor of the motor to form wind speed; the air channel of the air outlet is used for gathering air to form wind pressure, so that the wind speed output by the fan is high; dust removal can be achieved; or inflating swim rings, boats, etc.; or used for blowing carbon to support combustion in the case of outdoor fire, etc.; or for drying hair.

Further, the heating element 3 is arranged in the handle of the heating element 3, the heating element 3 is arranged in the second air channel of the blower, the blower shunts part of air quantity into the second air channel through the flow dividing plate, and active convection heat dissipation is carried out on the heating element in the second air channel. The blower further comprises a built-in power supply, the output end of the built-in power supply is electrically connected with the heating element 3, the electric energy stored by the built-in power supply is used for supplying power to the heating element 3 to drive the blower to rotate so as to form wind speed, and the built-in power supply obtains electric energy from an external power supply through an electric connection position to charge, wherein the built-in power supply is a battery. The heating element is mainly a MOSFET in the circuit board in the embodiment, wherein the circuit board is positioned in the second air channel, when the fan is driven, the MOSFET in the circuit board heats, most of generated heat is output from the second air channel, the heat convection heat dissipation is realized with small volume and low cost, and the heat dissipation effect of the second air channel is further achieved. The frequency of the specific access to the external power supply is set according to the maximum power that the actual fan can accommodate. Of course, the outer surface of the shell is also provided with a power switch key, the power switch key is electrically connected with the output end of the electric connection position, and the output end of the power switch key is electrically connected with the heating element 3 or the fan respectively, so that the heating element 3 or the fan is controlled to start or stop running through the power switch key.

In this embodiment, through fan and casing, be equipped with air outlet, air intake, cavity and reflux baffle 11 in the casing, the air outlet the air intake with the cavity communicates, wherein, the fan holding in the cavity is located the cavity with the junction of air intake, in order to with the wind drainage of air intake department extremely air outlet department, reflux baffle 11 is located the air outlet position of fan with between the air outlet, in order to with the wind reposition of redundant personnel of fan production is passed to air outlet department. The independent cavity is formed between the shell and the first air duct 22 or between the shell and the second air duct 23, most of air quantity generated by the fan flows out of the first air duct 22, and the backflow baffle 11 enables preset air quantity to enter the second air duct 23 when the fan outputs air and is discharged from the air outlet, so that the heat dissipation effect is achieved.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent modifications made by the present description and accompanying drawings, or direct/indirect application in other relevant technical fields are included in the scope of the present utility model.

Claims

1. A hair dryer, said hair dryer comprising:

a blower;

2. The blower of claim 1, wherein the backflow baffle includes a diversion portion extending from an air outlet of the blower to divert air generated by the blower and a backflow portion provided with a U-shaped air duct extending from the diversion portion to an air outlet.

3. The blower of claim 2, wherein the return portion includes a first air duct having a first housing therein, a first air chamber, a first air inlet, and a first air outlet, the diverter portion extending to and being connected to the first air inlet of the air duct, the first air chamber, the first air inlet, and the first air outlet being in communication with a first air duct.

4. A blower according to claim 3, characterized in that the flow dividing portion includes a body including a wind-inducing end facing the blower side, a connecting end located opposite the wind-inducing end and connected to the first barrel housing, and at least one fixed end connected to an inner wall of the housing, wherein the at least one fixed end is adjacent to both the wind-inducing end and the connecting end.

5. The blower of claim 4, wherein the backflow baffle is configured as a second air duct that separates the air duct adjacent the first air inlet.

6. The hair dryer of claim 5, further comprising:

7. The hair dryer of claim 6, wherein the housing is provided with an electrical connection location, the hair dryer further comprises a built-in power supply, an output end of the electrical connection location is electrically connected with an input end of the built-in power supply, an output end of the built-in power supply is electrically connected with the heating element, and an input end of the electrical connection location is connected with an external power supply.