CN109259408A

CN109259408A - Handle air inlet type hair drier

Info

Publication number: CN109259408A
Application number: CN201811158577.XA
Authority: CN
Inventors: 倪祖根
Original assignee: Kingclean Electric Co Ltd
Current assignee: Kingclean Electric Co Ltd
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2019-01-25
Anticipated expiration: 2038-09-30
Also published as: CN109259408B

Abstract

The present invention discloses a handle air inlet hair dryer, comprising: a casing, a main air duct extending along the length direction thereof is provided inside the casing; and a handle connected to the side wall of the casing, a handle air duct extending along the length direction thereof is provided inside the casing, the handle air duct is connected to the main air duct, wherein the main air duct comprises an exhaust chamber and a heating chamber arranged in sequence along the air flow direction, a main air inlet hole connected to the exhaust chamber is provided at the rear end of the casing, and an air outlet connected to the heating chamber is provided at the front end of the casing. According to the present invention, while reducing the volume of the hair dryer, it can also improve the heat dissipation efficiency of the PCB circuit board, motor, and fan inside the hair dryer, prevent the hair dryer from shutting down due to overheating, and extend the service life of the hair dryer.

Description

A kind of handle air intake hair dryer

Technical field

The present invention relates to hair dryer field, in particular to a kind of handle air intake hair dryer.

Background technique

Mainstream hair dryer currently on the market includes hair dryer shell, the fan accommodated by hair dryer shell and PCB electricity Road board group at, since the intracorporal space of hair dryer shell is limited, especially under the trend of hair dryer small, inner space Narrower, this results in motor internal and fan apart from heating coil apart from closer, therefore how to solve hair dryer miniaturization Heat dissipation problem afterwards is as matter of utmost importance urgently to be resolved in the industry.

In view of this, it is really necessary to develop a kind of handle air intake hair dryer, to solve the above problems.

Summary of the invention

For the shortcomings of the prior art, the object of the present invention is to provide a kind of handle air intake hair dryer, It is while reducing hair dryer volume, additionally it is possible to improve to hair dryer inside PCB circuit board, motor, fan radiating efficiency, Delay machine caused by preventing hair dryer from overheating, extends the service life of hair dryer.

In order to realize above-mentioned purpose according to the present invention and other advantages, a kind of handle air intake hair dryer is provided, is wrapped It includes:

Casing is internally provided with the main air duct extended along its length；And

The handle being connected on chassis sidewall is internally provided with the handle air duct extended along its length, the handle wind Road is connected with main air duct,

Wherein, main air duct includes the wind chamber being sequentially arranged along air current flow direction and heating room, and the rear end of casing opens up There is the main air inlet hole of connection wind chamber, the front end of casing offers the air outlet of connection heating room.

Preferably, it is provided with the open exhaust column of inner hollow and front and back in wind chamber, is equipped with exhausting wind in exhaust column Fan, the front and back opening of exhaust column are connected with main air inlet hole and heating room respectively, and the inner sidewall interval of exhaust column and casing is certain Distance is to form the diversion air duct being located between the two.

Preferably, the preceding open bore of exhaust column is open before it in the gesture being gradually expanded in air current flow direction The inner sidewall of edge and casing offsets and forms sealing, so that the front end of the diversion air duct is by the preceding open side of exhaust column Edge is separated, and rear end is then connected with the rear opening of exhaust column.

Preferably, exhaust column is equipped with PCB component, and the PCB component includes:

The ring-shaped P CB mainboard being sheathed on exhaust column；And

Several electronic components on PCB main board,

Wherein, handle air duct is connected with the preceding middle section of diversion air duct, and it is initial that PCB main board is sheathed on extending out for exhaust column Section, so that the periphery of PCB main board is located at the intersection in handle air duct and diversion air duct.

Preferably, the electronic component is set to the rear side of PCB main board.

Preferably, the heating coil group that inner hollow is equipped in room, the rear end of the heating coil group and exhaust column are heated Preceding opening be connected, and front end is then connected with air outlet.

Preferably, the bore of air outlet is in air current flow direction in the gesture being gradually expanded.

Compared with prior art, the present invention the beneficial effect is that: it is blown while reducing hair dryer volume by increasing The intake of blower come improve to hair dryer inside PCB circuit board, motor, fan radiating efficiency, and using part enter the wind PCB circuit board is brushed, has effectively taken away the heat in PCB circuit board, and preheated to air inlet, is dissipated improving Energy utilization rate can also be improved while the thermal efficiency.

Detailed description of the invention

Fig. 1 is the three-dimensional structure view according to handle air intake hair dryer of the present invention；

Fig. 2 is the three-dimensional structure view according to handle air intake hair dryer of the present invention under another visual angle；

Fig. 3 be according to handle air intake hair dryer of the present invention and front view；

Fig. 4 be according to handle air intake hair dryer of the present invention and partial longitudinal sectional view；

Fig. 5 be according to handle air intake hair dryer of the present invention and cross-sectional view.

Specific embodiment

Present invention will be described in further detail below with reference to the accompanying drawings, foregoing end other objects of the invention, feature, side Face and advantage will be apparent, and so that those skilled in the art can carry out according to the description.In the accompanying drawings, For clarity, shape and size can be amplified, and will be indicated in all figures using identical appended drawing reference identical Or similar component.In the following description, such as center, thickness, height, length, front, back, rear portion, the left side, the right, top The words such as portion, bottom, top, lower part are to be based on the orientation or positional relationship shown in the drawings.Particularly, " height " is equivalent to from top Portion is to the size of bottom, and " width " is equivalent to size from left to right, and " depth " is equivalent to vertical size.These Relative terms are to be not intended to need specifically to be orientated for convenience and usually.It is related to the term of attachment, connection etc. (for example, " connection " and " attachment ") refer to these structures by the relationship that intermediate structure is fixed directly or indirectly to one another or is attached, And movable or rigidly attached or relationship, unless otherwise clearly stating.

Referring to Fig.1~Fig. 5, handle air intake hair dryer 1 include:

Casing 12 is internally provided with the main air duct 16 extended along its length；And

The handle 11 being connected on 12 side wall of casing is internally provided with the handle air duct 112 extended along its length, should Handle air duct 112 is connected with main air duct 16,

Wherein, main air duct 16 includes the wind chamber 161 being sequentially arranged along air current flow direction and heating room 162, casing 12 Rear end offer connection wind chamber 161 main air inlet hole 121, the front end of casing 12 offer connection heating room 162 outlet air Mouth 122.It is offered on the middle and lower sections side wall of handle 11 towards the several of handle air duct 112 in one embodiment referring to Fig. 4 A secondary air inlet hole 111.

Referring to Fig. 5, it is provided with the open exhaust column 17 of inner hollow and front and back in wind chamber 161, is equipped in exhaust column 17 Extractor fan 14, the front and back opening of exhaust column 17 are connected with main air inlet hole 121 and heating room 162 respectively, exhaust column 17 and machine The inner sidewall of shell 12 is spaced apart to form the diversion air duct 18 being located between the two.

Further, the preceding open bore of exhaust column 17 opens before it in air current flow direction in the gesture being gradually expanded The inner sidewall of mouth edge and casing 12 offsets and forms sealing, so that the front end of the diversion air duct is by before exhaust column 17 Open edge is separated, and rear end is then connected with the rear opening of exhaust column 17.

Further, exhaust column 17 is equipped with PCB component, and the PCB component includes:

The ring-shaped P CB mainboard 13 being sheathed on exhaust column 17；And

Several electronic components on PCB main board 13,

Wherein, handle air duct 112 is connected with the preceding middle section of diversion air duct 18, and PCB main board 13 is sheathed on exhaust column 17 Initial segment is extended out, so that the periphery of PCB main board 13 is located at the intersection in handle air duct 112 and diversion air duct 18.

In a preferred embodiment, the electronic component is set to the rear side of PCB main board 13.

Referring again to Fig. 5, the heating coil group 15 that inner hollow is equipped in room 162 is heated, after the heating coil group 15 End is connected with the preceding opening of exhaust column 17, and front end is then connected with air outlet 122.

In a preferred embodiment, the bore of air outlet 122 is in air current flow direction in the gesture being gradually expanded.

Working principle:

Referring to Fig. 5, outside air divides two-way to enter inside casing 12, the connection that primary air is opened up by the rear end of casing 12 The main air inlet hole 121 of wind chamber 161 enters main air duct 16 along the direction arrow B, and secondary air-flow passes through the handle wind opened up in handle 11 Road 112 enters in diversion air duct 18 along the direction arrow A, and is incorporated to along the direction arrow C into main air duct 16, two bursts of airflow reflux After pass sequentially through exhaust column 17, heating coil group 15 after, along arrow D from air outlet 122 flow out.

Number of devices and treatment scale described herein are for simplifying explanation of the invention.To application of the invention, Modifications and variations will be readily apparent to persons skilled in the art.

Although the embodiments of the present invention have been disclosed as above, but it is not limited in listed fortune in specification and embodiments With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily real Now other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is not limited to Specific details and legend shown and described herein.

Claims

1. a kind of handle air intake hair dryer (1) characterized by comprising

Casing (12) is internally provided with the main air duct (16) extended along its length；And

The handle (11) being connected on casing (12) side wall is internally provided with the handle air duct (112) extended along its length, The handle air duct (112) is connected with main air duct (16),

Wherein, main air duct (16) includes the wind chamber (161) being sequentially arranged along air current flow direction and heating room (162), casing (12) rear end offers the main air inlet hole (121) of connection wind chamber (161), and the front end of casing (12) offers connection heating room (162) air outlet (122).

2. handle air intake hair dryer (1) as described in claim 1, which is characterized in that be provided with inside in wind chamber (161) The open exhaust column in hollow and front and back (17), exhaust column (17) is interior to be equipped with extractor fan (14), and the front and back of exhaust column (17) is open It is connected respectively with main air inlet hole (121) and heating room (162), one spacing of inner sidewall interval of exhaust column (17) and casing (12) From to form the diversion air duct (18) being located between the two.

3. handle air intake hair dryer (1) as claimed in claim 2, which is characterized in that the preceding open bore of exhaust column (17) In the gesture being gradually expanded until inner sidewall of open edge and casing (12) offsets and formed close before it in air current flow direction Envelope so that the front end of the diversion air duct is separated by the preceding open edge of exhaust column (17), and rear end then with exhaust column (17) rear opening is connected.

4. handle air intake hair dryer (1) as claimed in claim 3, which is characterized in that exhaust column (17) is equipped with PCB group Part, the PCB component include:

The ring-shaped P CB mainboard (13) being sheathed on exhaust column (17)；And

Several electronic components on PCB main board (13),

Wherein, handle air duct (112) are connected with the preceding middle section of diversion air duct (18), and PCB main board (13) is sheathed on exhaust column (17) extend out initial segment so that the periphery of PCB main board (13) is located at the friendship of handle air duct (112) Yu diversion air duct (18) At remittance.

5. handle air intake hair dryer (1) as claimed in claim 4, which is characterized in that the electronic component is set to PCB master The rear side of plate (13).

6. handle air intake hair dryer (1) as claimed in claim 2, which is characterized in that be equipped in inside in heating room (162) Empty heating coil group (15), the rear end of the heating coil group (15) is connected with the preceding opening of exhaust column (17), and front end is then It is connected with air outlet (122).

7. handle air intake hair dryer (1) as claimed in claim 6, which is characterized in that the bore of air outlet (122) is in air-flow In the gesture being gradually expanded on flow direction.