CN211186174U - DC electric hair drier with novel heating body - Google Patents

Abstract

The utility model discloses a direct current is bloied with novel heat-generating body, include the fan main part and set up in the inside heating element of fan main part dryer, heating element is including the slice heat conduction aluminum product of parallel arrangement of each other, connects through PTC heating element between each heat conduction aluminum product, and heat conduction aluminum product is equipped with fan blade and air inlet net with PTC heating element one side, and fan blade one end is connected with the motor, and heat conduction aluminum product is equipped with out the air net with PTC heating element opposite side, and heating element is connected with the main control PCBA electricity in the fan main part. The utility model provides a heater of hair-dryer among the prior art receive outside foreign matter easily, especially metallic foreign matter's influence, lead to the security problem that blows, burns red.

Description

DC electric hair drier with novel heating body

Technical Field

The utility model relates to a domestic appliance field, in particular to direct current is bloied with novel heat-generating body.

Background

The blower directly drives the rotor by the motor to drive the fan blades to rotate, when the fan blades rotate, air is sucked from the air inlet, and centrifugal airflow formed by the air inlet is blown out from the front nozzle of the air duct. When the air passes through, if the heating wire on the heating bracket in the air nozzle is heated by electricity, hot air is blown out; if the selection switch does not electrify the heating wire to generate heat, cold air is blown out. At present, electric hair dryers on the market use heating wires as heating elements, the heating wires are wound on a plurality of mica sheet supports, and mica paper is also used for protecting the whole heating wire support, so that the structure, the assembly and the process are complex. And the working process of the heating wire is in a power-on state, if metal foreign matters fall into the heating wire, the heating wire turns red and even is blown, and the safety is not high.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the main object of the present invention is to provide a dc electric hair dryer with a novel heating element, which aims to solve the problem of safety of blowing and burning caused by the influence of external foreign matters, especially metallic foreign matters, on the heating wire of the hair dryer in the prior art.

In order to realize the above purpose, the utility model provides a direct current is bloied with novel heat-generating body, including the fan main part with set up in the inside heating element of fan main part dryer, heating element includes parallel arrangement's of each other slice heat conduction aluminum product, each connect through PTC heating element between the heat conduction aluminum product, heat conduction aluminum product with PTC heating element one side is equipped with fan blade and air inlet net, fan blade one end is connected with the motor, heat conduction aluminum product with PTC heating element opposite side is equipped with out the air net, heating element with master control PCBA electricity in the fan main part is connected.

In one embodiment, the PTC heating elements are arranged in parallel and are at least 4 pieces, and the PTC heating elements are all pressed and fixed by heat-conducting aluminum materials which are connected through corrugated aluminum sheets.

In one embodiment, the fan main body further comprises a handle connected with the bottom of the air duct through a handle fixing piece, the upper end of the handle fixing piece fixes the main control PCBA and the air duct through a copper pillar spring, and the lower end of the copper pillar spring is connected with a conductive copper pillar.

In one embodiment, an adjusting button is arranged on one side of the outer portion of the handle, L ED indicating lamps are arranged on one side of the adjusting button, and the adjusting button and the L ED indicating lamps are electrically connected with the master control PCBA.

In one embodiment, a fixing bracket is further arranged inside the air duct, and the motor is mounted in the fixing bracket.

In one embodiment, an air inlet net support is further arranged inside the air duct, and the air inlet net is installed in the air inlet net support.

In one embodiment, the inner wall of the air duct is further sleeved with a first heat shield and a second heat shield symmetrical to the first heat shield.

In one embodiment, one end of the air outlet net is also connected with an air collecting nozzle.

The utility model has the advantages as follows:

the electric hair drier adopting the heating assembly only comprises the heat conduction aluminum material and the PTC heating element, is simple in structure, the heat conduction aluminum material only conducts heat and is uncharged, and even if metal foreign matters fall into the heat conduction aluminum material from the air outlet net, the red phenomenon of the aluminum material can not occur, so that the safety of the electric hair drier is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is the utility model provides a fan main part internal section overall structure schematic diagram.

Fig. 2 is the utility model provides a fan main part each part disassemble the structure sketch map.

Fig. 3 is a schematic structural diagram of the heating assembly of the present invention.

Fig. 4 is a schematic view of the blower main body side and the handle setting position in the present invention.

[ list of reference numerals for main parts/components ]

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (e.g., upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific state (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral molding; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1:

referring to fig. 1 to 4, a direct current hair drier with a novel heating body comprises a fan main body 1 and a heating component 2 arranged inside a wind barrel 10 of the fan main body 1, wherein the heating component 2 comprises sheet-shaped heat conduction aluminum materials 20 arranged in parallel, each heat conduction aluminum material 20 is connected with each other through a PTC heating element 21, the heat conduction aluminum material 20 is provided with a fan blade 23 and an air inlet net 26 on one side of the PTC heating element 21, one end of the fan blade 23 is connected with a motor 22, the heat conduction aluminum material 20 is provided with an air outlet net 29 on the other side of the PTC heating element 21, and the heating component 2 is electrically connected with a master control PCBA15 in the fan main body 1.

Because the heating element of the existing hair dryer on the market is wound by the heating wire on the mica support, the whole heating element needs to be manufactured by the heating wire, the mica sheet, the copper strip, the corn, the wire ear and other parts, the parts are more, the manufacturing process is complex, and the subsequent heating element is assembled in the machine body and is wrapped by a layer of rolling mica paper to insulate heat; resulting in a complicated structure. The hair drier adopting the heating component 2 only consists of the heat conducting aluminum material 20 and the PTC heating element 21, and has simple structure.

The working process of the existing hair drier is in a power-on state, if metal foreign matters fall into the heating wire, the heating wire turns red and even is blown, and the safety is not high. The hair drier adopting the heating component 2 for heating only comprises the heat conducting aluminum material 20 and the PTC heating element 21, and the PTC heating element 21 is insulated, so the heat conducting aluminum material 20 only conducts heat and is uncharged, and even if metal foreign matters fall into the heat conducting aluminum material 20 from the air outlet net 29, the phenomenon that the aluminum material glows can not occur, so the safety of the product is improved.

The utility model discloses a heat conduction aluminum product 20's netted can be sharp linear shape, wave, arc etc. and heat conduction aluminum product 20's netted interval size is variable according to the size of wind speed or the amount of wind.

Referring to fig. 3, preferably, the number of the PTC heating elements 21 is at least 4, and the PTC heating elements 21 are all pressed and fixed by the heat conductive aluminum material 20, and the heat conductive aluminum materials 20 are connected by corrugated aluminum sheets.

Referring to fig. 2, preferably, the blower main body 1 further includes a handle 11 connected to the bottom of the air duct 10 through a handle fixing member 12, the upper end of the handle fixing member 12 fixes the main control PCBA15 to the air duct 10 through a copper pillar spring 14, and the lower end of the copper pillar spring 14 is connected to a conductive copper pillar 13.

Referring to fig. 2, preferably, an adjusting button 17 is arranged on one side of the outer part of the handle 11, an L ED indicator light 16 is arranged on one side of the adjusting button 17, and the adjusting button 17 and the L ED indicator light 16 are both electrically connected with the master PCBA 15.

Referring to fig. 1 and 2, preferably, a fixing bracket 24 is further disposed inside the air duct 10, and the motor 22 is mounted in the fixing bracket 24.

Referring to fig. 1 and 2, preferably, a bracket 25 of an air inlet net 26 is further arranged inside the air duct 10, and the air inlet net 26 is mounted in the bracket 25 of the air inlet net 26.

Referring to fig. 2, preferably, the inner wall of the air duct 10 is further sleeved with a first heat shield 27 and a second heat shield 28 symmetrical to the first heat shield 27.

The first heat exchanger 27 that separates that sets up with the second that separates the heat exchanger 28 of first heat exchanger 27 symmetry is favorable to isolated outside temperature, promotes the inside work efficiency of fan, reduces the heat and runs off.

Referring to fig. 1 and 2, preferably, an air collecting nozzle 18 is further connected to one end of the air outlet net 29.

The working principle of the utility model is as follows:

the heat generating component 2 is fitted between the first heat shield 27 and the second heat shield 28. The motor 22 is connected with the fixed bracket 24 through screws; the fan blade 23 is tightly matched and connected with the motor 22; the motor 22, the fixed support 24 and the fan blade 23 are assembled between the first heat shield 27 and the second heat shield 28 after being integrated. The first heat shield 27 and the second heat shield 28 are assembled and inserted into the wind barrel 10 from back to front after being assembled together. The air outlet net 29 is connected with the first heat shield 27 and the second heat shield 28 through a buckle. The air inlet net 26 support 25 and the air inlet net 26 are connected with the first heat insulation cover 27 and the second heat insulation cover 28 through buckles. The air collecting nozzle 18 is connected with the air outlet net 29 through a buckle. The main control PCBA15, the copper column spring 14 and the conductive copper column 13 are fixed on the handle fixing piece 12 through screws. The handle 11 is inserted into the handle holder 12 and fixed by a snap fit. The heat generating component 2 is composed of a heat conductive aluminum material 20 and a PTC heat generating element 21. The electric hair drier with the heating component 2 is convenient for heat transfer by tightly matching and combining the heat conduction aluminum material 20 and the PTC heating element 21, only consists of the heat conduction aluminum material 20 and the PTC heating element 21, has a simple structure, is only heat-conducting but uncharged in the heat conduction aluminum material 20, and can not generate the phenomenon of reddening of the aluminum material even if metal foreign matters fall into the heat conduction aluminum material 20 from the air outlet net 29, thereby increasing the safety of the product.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (8)

1. The utility model provides a direct current hair-dryer with novel heat-generating body, its characterized in that, including the fan main part with set up in the inside heating element of fan main part dryer, heating element is including parallel arrangement's of each other slice heat conduction aluminum product, each connect through PTC heating element between the heat conduction aluminum product, heat conduction aluminum product with PTC heating element one side is equipped with fan blade and air inlet net, fan blade one end is connected with the motor, heat conduction aluminum product with PTC heating element opposite side is equipped with out the air net, heating element with master control PCBA electricity in the fan main part is connected.

2. A direct current hair dryer with a novel heat-generating body as set forth in claim 1, wherein said PTC heating elements are arranged in parallel to each other in a number of at least 4, and said PTC heating elements are all pressed and fixed by a heat conductive aluminum material, and said heat conductive aluminum materials are connected to each other by a corrugated aluminum sheet.

3. The direct current hair dryer with the novel heat-generating body as claimed in claim 1, wherein the blower body further comprises a handle connected to the bottom of the air duct through a handle fixing member, the main control PCBA is fixed to the air duct through a copper pillar spring at the upper end of the handle fixing member, and the lower end of the copper pillar spring is connected with a conductive copper pillar.

4. A DC hair drier with a novel heating body as in claim 3, wherein an adjusting button is arranged on one side of the outer part of the handle, an L ED indicator light is arranged on one side of the adjusting button, and the adjusting button and the L ED indicator light are both electrically connected with the main control PCBA.

5. A direct current hair dryer with a novel heat-generating body as claimed in claim 1, characterized in that a fixing bracket is further provided inside the air duct, and the motor is installed in the fixing bracket.

6. The direct current hair drier with the novel heating body as claimed in claim 1, wherein an air inlet net support is further arranged inside the air duct, and the air inlet net is installed in the air inlet net support.

7. A direct current hair drier with a novel heating body as claimed in claim 1, wherein the inner wall of the wind barrel is further sleeved with a first heat shield and a second heat shield symmetrical to the first heat shield.

8. A DC hair drier with a new type heating body as in claim 1, characterized by that, one end of said air outlet net is connected with a wind collecting nozzle.

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