Electric hair dryer

Abstract

The utility model provides an electric hair dryer, which is characterized in that the electric hair dryer comprises a body, an air inlet, an air outlet and an air outlet, one end of the body forms an air outlet of the electric hair dryer, and the air outlet is formed by an air flow channel limited by a shell of the body; the handle is used for supporting the body; the negative ion generator is provided with a negative ion generator main body and a negative ion release tip electrically connected with the negative ion generator main body; wherein the tail end of the negative ion releasing tip is arranged in the air flow channel and is separated from a shell of the body which defines the air flow channel. According to the electric hair dryer disclosed by the utility model, the concentration of negative ions in the air flow exhausted from the air outlet is higher and is kept at a stable level, so that the hair curling is reduced in the hair blowing process, and the hair beating property is improved.

Description

Technical Field

[0001] The utility model relates to an electric hair dryer used for drying and shaping. Background Art

[0002] Hair dryers are primarily used for drying and shaping hair, but they can also be used for localized drying, heating, and treatment in laboratories, physiotherapy rooms, industrial production, and art design. A hair dryer typically consists of a motor, a fan driven by the motor, and a heater. When the fan rotates, air is drawn in through the hair dryer's air inlet, passes through the heater, and is discharged through the hair dryer's outlet. If the heater's heating element is heated during this airflow, hot air is discharged from the outlet.

[0003] Hair is prone to static electricity during the combing process. In addition, the hot air discharged by the hair dryer dries the hair, and a comb is inevitably used during the hair drying process, which makes the hair more prone to static electricity, and static electricity can cause the hair to become deformed, bent, or tilted. For this reason, hair dryers with negative ion generators have been developed. The airflow with negative ions discharged by these hair dryers can neutralize the positive charge common in the hair and eliminate static electricity, thereby smoothing out tangled hair and making the hair smooth and easy to comb. However, in existing hair dryers with negative ion generators, the decorative piece at the air outlet (i.e., the end housing) hinders the negative ion release tip of the negative ion generator, resulting in a lower and unstable concentration of negative ions in the airflow discharged by the air outlet, which then affects the effect of reducing hair curling and improving hair manageability during the hair drying process. Therefore, it is necessary to improve existing hair dryers. Utility Model Content

[0004] The purpose of the present invention is to overcome at least one of the above-mentioned defects in the prior art and to provide an improved hair dryer which can increase the concentration of negative ions in the air flow discharged from the air outlet and maintain the concentration of negative ions at a stable level.

[0005] According to the utility model, a hair dryer is provided, characterized in that the hair dryer comprises:

[0006] A body having one end forming an air outlet of the hair dryer, wherein the air outlet is formed by an air flow channel defined by the shell of the body;

[0007] a handle for supporting the body; and

[0008] A negative ion generator having a negative ion generator body and a negative ion releasing tip electrically connected to the negative ion generator body;

[0009] The end of the negative ion releasing tip is disposed in the air flow channel and is spaced apart from the shell of the body defining the air flow channel.

[0010] Preferably, the negative ion generator further includes a grounding wire electrically connected to a virtual ground circuit of the negative ion generator body, and an end of the grounding wire is spaced apart from an end of the negative ion releasing tip.

[0011] Preferably, the grounding wire and the negative ion releasing tip are arranged such that the distance between the end of the grounding wire and the end of the negative ion releasing tip is 10-20 mm.

[0012] Preferably, the hair dryer further comprises a motor, fan blades driven by the motor, and a heater arranged downstream of the fan blades, the heater comprising a bracket formed by an insulating sheet and a heating wire arranged around the bracket, and the negative ion release tip is suspended and supported on the bracket.

[0013] Preferably, the negative ion releasing tip is suspended and supported on the bracket by a support sheet that fixes the negative ion releasing tip at a distance of 10-15 mm from the end of the negative ion releasing tip.

[0014] Preferably, a through hole is formed on the insulating sheet, and the negative ion releasing tip passes through the through hole and is suspended and supported on the bracket through the supporting sheet.

[0015] Preferably, the negative ion releasing tip passes through the through hole without contacting the peripheral wall of the through hole.

[0016] Preferably, the grounding wire is held on the bracket via a supporting sheet.

[0017] Preferably, the end of the grounding wire protrudes from the bracket toward the air outlet so as to be in contact with the end shell of the main body.

[0018] Preferably, the end of the grounding wire protrudes 3-5 mm from the end of the bracket toward the air outlet.

[0019] Preferably, the motor, the fan blades and the heater are arranged in the body, and the negative ion generator body is arranged in the handle.

[0020] Preferably, the end of the negative ion releasing tip is spaced at least 2 mm from any surrounding components.

[0021] According to the hair dryer of the present invention, the end of the negative ion releasing tip is arranged in the air flow channel of the air outlet of the hair dryer and is separated from the shell of the main body that defines the air flow channel. The end of the negative ion releasing tip will not contact the shell of the main body that defines the air flow channel, thereby not hindering the negative ions generated around the negative ion releasing tip from being blown onto the user's hair along with the air flow generated by the hair dryer, so that the concentration of negative ions in the air flow discharged from the air outlet is high and maintained at a stable level, which helps to reduce hair frizz and improve hair manageability during the hair drying process. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The electric hair dryer according to the present invention is schematically shown in a three-dimensional diagram, wherein the outer shell of the main body of the electric hair dryer is shown in a perspective manner in order to clearly show the internal structure of the electric hair dryer;

[0023] Figure 2 The front end of the body and the heater of the electric hair dryer according to the present invention are schematically shown in a perspective view, wherein only a part of the circumferential shell of the body is shown and the end shell is not shown;

[0024] Figure 3 yes Figure 1 a partial front view of the illustrated hair dryer; and

[0025] Figure 4 The heater of the main body of the hair dryer according to the present invention is schematically shown in a three-dimensional diagram, wherein the release tip of the negative ion generator is fixed on the bracket of the heater. DETAILED DESCRIPTION

[0026] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it should be understood that the accompanying drawings are only used to illustrate the present invention and do not constitute a limitation to the present invention.

[0027] Figure 1 The electric hair dryer according to the present invention is schematically shown in a three-dimensional diagram, wherein the main body shell of the electric hair dryer is shown in a perspective manner in order to clearly show the internal structure of the electric hair dryer. In addition, the handle of the electric hair dryer is only partially shown. Figure 1As shown, the hair dryer 1 includes a body 3 and a handle 5 for supporting the body 3. One end of the body 3 is provided with a filter 7 and forms an air inlet 9 of the hair dryer, and the other end of the body 3 forms an air outlet 11 of the hair dryer. A motor 13 and a fan blade 15 driven by the motor are provided in the housing of the body 3. Although in a preferred embodiment, the motor 13 and the fan blade 15 are integrated into one body, it should be understood that the motor 13 and the fan blade 15 can be provided separately. In addition, it should be understood that it is also feasible for the motor 13 and the fan blade 15 to be provided in the handle. In this case, the air inlet of the hair dryer can be formed on the handle. A circuit board for controlling the operation of the motor is provided in the handle, and the operation of the hair dryer can be started or stopped by a switch 16 on the handle.

[0028] The hair dryer 1 further comprises a negative ion generator, wherein the negative ion generator comprises a negative ion generator body (not shown in the figure) arranged in the handle 5 and a negative ion releasing tip 17 (such as a negative ion releasing tip 17) electrically connected to the negative ion generator body. Figure 2 As shown). It should be understood that it is also feasible to arrange the negative ion generator body in the body 3. A circuit for outputting a DC negative high voltage to the negative ion release tip 17 is provided in the negative ion generator body, so that the negative ion release tip generates a high corona and emits a large amount of electrons, which are captured by oxygen molecules in the air to generate negative air ions. In a preferred embodiment, the negative ion release tip 17 is composed of a bundle consisting of multiple (for example, up to 12,000) carbon fiber filaments coated in a heat shrink tubing, and the diameter of the carbon fiber filaments can be as thin as about 1 micron. Of course, the negative ion release tip 17 can also be composed of a thin metal wire, such as a copper wire.

[0029] According to a preferred embodiment of the present invention, the negative ion generator further includes a ground wire 19. A virtual ground circuit is also provided within the negative ion generator body. Ground wire 19 is electrically connected to the virtual ground circuit to maintain a substantially zero potential. The distal end of ground wire 19 is spaced apart from the distal end of negative ion-releasing tip 17.

[0030] The air outlet 11 of the hair dryer is formed by the air flow channel 21 defined by the housing of the body 3 of the hair dryer. In a preferred embodiment, the air flow channel 21 is an annular channel defined jointly by the circumferential housing 23 and the end housing 25 of the body 3. This annular channel communicates the inside of the body 3 of the hair dryer with the outside so that the air flow generated by the hair dryer is blown onto the hair of the user from the inside of the body 3 of the hair dryer through this annular channel. It should be understood that the air flow channel 21 can be designed to any other suitable shape as needed, such as a cross or a straight line. According to the present utility model, the end of the negative ion release tip 17 is located in the air flow channel 21 and is spaced apart from the housing of the body 3 that limits the air flow channel 21. Preferably, the end of the negative ion release tip 17 is spaced apart from the housing of the body 3 that limits the air flow channel 21 by at least 1mm. More preferably, the end of the negative ion release tip 17 is spaced apart from any surrounding components by at least 2mm. This means that the end of the negative ion releasing tip 17 will not contact the shell of the main body 3 that defines the airflow channel 21, thereby not preventing the negative ions generated around the negative ion releasing tip 17 from being blown onto the user's hair along with the airflow generated by the hair dryer, so that the concentration of negative ions in the airflow discharged from the air outlet is high and maintained at a stable level, which helps to reduce hair frizz and improve hair manageability during the hair drying process.

[0031] The hair dryer 1 can also include a heater 27 positioned in the body 3 and arranged downstream of the fan blade 15. The heater 27 can include a support 31, for example, made of an insulating sheet 29 of a mica sheet, and a heating wire 33 arranged around the support 31. When the heating wire 33 is energized, it generates heat, causing the airflow discharged from the air outlet to become hot air. In a preferred embodiment, the negative ion release tip 17 is suspended and supported on the support 31 by a support sheet (not shown) fixed at one end and mounted on the support 31 at the other end, so that the negative ion release tip 17 does not directly contact the support. The support sheet can preferably fix the negative ion release tip 17 at a distance from the end 5-20mm (more preferably 10-15mm) of the negative ion release tip 17. In addition, a through hole 35 is formed on the insulating sheet 29 that constitutes the support 31, and the negative ion release tip 17 passes through the through hole 35 and is suspended and supported on the support 31 by the support sheet. More preferably, the negative ion release tip 17 passes through the through hole 35 without contacting the peripheral wall of the through hole. In this way, it is ensured that the negative ion releasing tip 17 is also substantially not in direct contact with the bracket 31 of the heater, so that the concentration of negative ions in the airflow discharged from the air outlet can be further maintained at a relatively high stable level.

[0032] In a preferred embodiment, the grounding wire 19 is also held on the bracket 31 by a support sheet. If the distance between the end of the grounding wire 19 and the negative ion release tip 17 is too close, it will cause circuit breakdown. If the distance between the end of the grounding wire 19 and the negative ion release tip 17 is too far, it will result in a sufficient potential difference not being formed between the end of the grounding wire 19 and the negative ion release tip 17. Both of these situations will adversely affect the negative ion release tip 17 from producing enough negative ions. To this end, according to the utility model, the grounding wire 19 and the negative ion release tip 17 are arranged so that the distance between the end of the grounding wire 19 and the end of the negative ion release tip 17 is 5-25 mm, more preferably 10-20 mm. The end of the grounding wire 19 can protrude from the bracket 31 of the heater toward the air outlet 11 so that it can contact the end shell 25 of the body 3, ensuring that the end shell 25 does not accumulate positive charges as much as possible, reducing the adverse effect on the negative ion release tip 17 producing negative ions. Preferably, the end of the grounding wire 19 can protrude 1-10 mm, more preferably 3-5 mm, from the end of the heater bracket 31 toward the air outlet 11. Although the conductor of the grounding wire 19 can be made of metal wire, the conductor of the grounding wire 19 is preferably made of carbon fiber to facilitate good contact with the end shell 25 of the body 3.

[0033] The negative ion content generated by the existing hair dryer with negative ion generator is generally 80 million / cm 3 The negative ion content generated by the hair dryer with negative ion generator according to the present invention is generally 110 million / cm 3 It can be seen that the hair dryer with a negative ion generator according to the present invention significantly increases the negative ion content generated during operation compared to existing hair dryers with a negative ion generator, which will greatly help reduce hair frizz and improve hair manageability during the hair drying process.

[0034] Although the present invention has been described in detail in conjunction with its preferred embodiments, it should be understood that such detailed description is only for explaining the present invention and does not constitute a limitation on the present invention. The scope of the present invention is determined by the technical solutions defined in the claims.

Claims

1. A hair dryer, characterized in that: The hair dryer comprises: A body (3) having an air outlet (11) of the hair dryer formed at one end, the air outlet (11) being formed by an air flow channel (21) defined by the shell of the body (3); a handle (5) for supporting the body (3); and A negative ion generator having a negative ion generator body and a negative ion releasing tip (17) electrically connected to the negative ion generator body; The end of the negative ion releasing tip (17) is arranged in the air flow channel (21) and is spaced apart from the shell of the body defining the air flow channel.

2. The hair dryer according to claim 1, wherein The negative ion generator further comprises a grounding wire (19) which is electrically connected to a virtual ground circuit of the negative ion generator body, and an end of the grounding wire (19) is spaced apart from an end of the negative ion releasing tip (17).

3. The hair dryer according to claim 2, wherein: The grounding wire (19) and the negative ion releasing tip (17) are arranged such that the distance between the end of the grounding wire and the end of the negative ion releasing tip is 10-20 mm.

4. The hair dryer according to claim 2, wherein: The hair dryer further comprises a motor (13), a fan blade (15) driven by the motor, and a heater (27) arranged downstream of the fan blade. The heater comprises a bracket (31) composed of an insulating sheet (29) and a heating wire (33) arranged around the bracket. The negative ion release tip (17) is suspended and supported on the bracket.

5. The hair dryer according to claim 4, wherein: The negative ion releasing tip (17) is suspended and supported on the bracket by a support sheet that fixes the negative ion releasing tip at a distance of 10-15 mm from the end of the negative ion releasing tip.

6. The hair dryer according to claim 5, wherein: A through hole (35) is formed on the insulating sheet, and the negative ion releasing tip (17) passes through the through hole and is suspended and supported on the bracket through the supporting sheet.

7. The hair dryer according to claim 6, wherein: The negative ion releasing tip (17) passes through the through hole without contacting the peripheral wall of the through hole.

8. The hair dryer according to claim 4, wherein: The grounding wire (19) is held on the bracket via a supporting piece.

9. The hair dryer according to claim 4, wherein: The end of the grounding wire protrudes from the bracket toward the air outlet so as to be in contact with the end shell (25) of the main body.

10. The hair dryer according to claim 4, wherein: The end of the grounding wire protrudes 3-5 mm from the end of the bracket toward the air outlet.

11. The hair dryer according to claim 4, wherein: The motor (13), the fan blades (15) and the heater (27) are arranged in the body (3), and the negative ion generator body is arranged in the handle (5).

12. The hair dryer according to claim 1, wherein The end of the negative ion releasing tip is spaced at least 2 mm from any surrounding components.

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