CN211747560U

CN211747560U - Hair drier

Info

Publication number: CN211747560U
Application number: CN202020208500.5U
Authority: CN
Inventors: 刘志雷; 程佳其
Original assignee: Hebei College of Industry and Technology
Current assignee: Hebei College of Industry and Technology
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-10-27
Anticipated expiration: 2030-02-25

Abstract

The utility model provides a hair drier, belonging to the technical field of electric appliances, comprising a shell, a motor, a fan blade component, a magnetic induction coil and a controller; the two ends of the shell are communicated, one end of the shell is used for air inlet, the other end of the shell is used for air outlet, and the outer wall of the shell is provided with a handle; the motor is arranged in the shell, and a motor shaft extends to the air inlet end of the shell along the axis of the shell; the fan blade assembly is connected to the extension end of the motor shaft; the magnetic induction coil is arranged on the inner wall of the shell and positioned at the periphery of the fan blade assembly, and is used for heating the fan blade assembly through electromagnetic induction; the controller is arranged in the handle and is respectively and electrically connected with the motor and the magnetic induction coil. The utility model provides a pair of hair drier, flabellum subassembly pass through magnetic induction coil heating and temperature is controllable, carries out the heat exchange through flabellum subassembly and air and forms hot-blastly, can avoid scalding human phenomenon, and flabellum subassembly's life receives magnetic induction coil's heating temperature to influence for a short time, consequently can ensure the long service life of hair drier.

Description

Hair drier

Technical Field

The utility model belongs to the technical field of electrical apparatus, more specifically say, relate to a hair-dryer.

Background

At present, along with the improvement of living standard, the frequency that people got into beauty salon to prune is higher and higher, consequently beauty salon's business is better and better, and the hair-dryer is as a necessary instrument of beauty salon, need carry out long-time continuous work of drying by blowing, because current hair-dryer commonly used all adopts the heating wire to heat, the air current rises through the heating wire temperature, thereby reach the purpose of blowing out hot-blast, this kind of heating method is fit for the work of blowing of domestic short time, and in beauty salon because the frequency of use of hair-dryer is high, the duration of blowing is of a specified duration, when the heating wire is in long-time heating state, cause hair-dryer self to scald easily on the one hand and cause the risk of scalding the human body, on the other hand the.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hair drier, aim at solving prior art's hair drier and scald human and the short problem of life easily when using for a long time.

In order to achieve the above object, the utility model adopts the following technical scheme: providing a blower which comprises a shell, a motor, a fan blade assembly, a magnetic induction coil and a controller; the two ends of the shell are communicated, one end of the shell is used for air inlet, the other end of the shell is used for air outlet, and the outer wall of the shell is provided with a handle; the motor is arranged in the shell, and the motor shaft extends to the air inlet end of the shell along the axis of the shell; the fan blade assembly is connected to the extension end of the motor shaft; the magnetic induction coil is arranged on the inner wall of the shell and positioned at the periphery of the fan blade assembly, and is used for heating the fan blade assembly through electromagnetic induction; the controller is arranged in the handle and is respectively electrically connected with the motor and the magnetic induction coil, and the controller is used for controlling the opening and closing of the motor and controlling the intermittent on-off of the magnetic induction coil.

As another embodiment of the present application, a temperature sensor electrically connected to the controller is further disposed on one side of the magnetic induction coil on the inner wall of the housing, and the temperature sensor is used for detecting the temperature of the fan blade assembly.

As another embodiment of the present application, a fan blade assembly includes an insulating heat-insulating sleeve and a plurality of fan blades; the insulating heat-insulating sleeve is sleeved on the motor shaft along the axial direction of the motor shaft; the fan blades are arranged on the outer wall of the insulating heat-insulating sleeve at equal angular intervals by taking the axis of the insulating heat-insulating sleeve as a center.

As another embodiment of the present application, the fan blade includes a heat insulation sheet and an iron blade; one end of the heat insulation sheet is fixedly connected with the outer wall of the insulating heat insulation sleeve, and the other end of the heat insulation sheet extends in the radial direction of the insulating heat insulation sleeve away from the center of the insulating heat insulation sleeve; one end of the iron blade is in butt joint with the extending end of the heat insulation sheet, and the other end of the iron blade extends to the magnetic induction coil along the extending direction of the heat insulation sheet.

As another embodiment of the application, the extending end of the heat insulation sheet is provided with a T-shaped slot, one end of the iron blade is provided with a T-shaped plug, and the T-shaped plug is fixedly connected with the T-shaped slot in an inserting mode.

As another embodiment of the present application, the extended end of the iron blade has a width greater than that of the butt end.

As another embodiment of this application, the air-out end of casing is throat structure or flat mouthful of structure.

As another embodiment of this application, the inner wall of casing is equipped with the motor support with casing integrated into one piece, and is equipped with a plurality of vents on the motor support, and the motor is connected on the motor support.

As another embodiment of the application, a battery is arranged in the handle, and the battery is electrically connected with the motor, the magnetic induction coil and the controller respectively.

As another embodiment of this application, the air inlet end of casing can be dismantled and be connected with the ventilation guard shield.

The utility model provides a pair of hair drier's beneficial effect lies in: compared with the prior art, the utility model relates to a hair-dryer, the controller sets up inside the handle, occupation space is little, through controller control magnetism induction coil and motor work, magnetism induction coil carries out electromagnetic induction heating to flabellum subassembly, the motor drives flabellum subassembly and rotates, thereby inhale the casing inside by the air inlet end of casing with the air, and be heated and rise temperature at the in-process of air process flabellum subassembly, blow off hot-blast by the air-out end of casing again, can control magnetism induction coil through the controller and carry out intermittent type nature break-make work, thereby make flabellum subassembly keep in the temperature range of settlement, avoid magnetism induction coil to last work and cause flabellum subassembly high temperature, lead to the overheated and scald human phenomenon of air-out, flabellum subassembly's life receives magnetism induction coil's heating temperature to influence for a short time, consequently, can ensure the long service life of hair-.

Drawings

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

Fig. 1 is a schematic structural diagram of a blower according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a partially enlarged structural view at B in FIG. 1;

fig. 4 is an exploded view of the fan blade according to the embodiment of the present invention.

In the figure: 1. a housing; 10. a bump; 11. a handle; 12. a motor bracket; 120. a vent; 13. a ventilation shield; 130. a hinge ear; 131. buckling; 2. a motor; 20. a motor shaft; 3. a fan blade assembly; 31. An insulating and heat-insulating sleeve; 32. a fan blade; 321. a heat insulating sheet; 3210. a T-shaped slot; 322. an iron blade; 3220. A T-shaped plug; 323. a set screw; 4. a magnetic induction coil; 5. a controller; 50. a control button; 6. A temperature sensor; 7. a battery; 70. a power outlet.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, a hair dryer according to the present invention will be described. The hair drier comprises a shell 1, a motor 2, a fan blade assembly 3, a magnetic induction coil 4 and a controller 5; wherein, the two ends of the shell 1 are through, one end is used for air inlet, the other end is used for air outlet, and the outer wall is provided with a handle 11; the motor 2 is arranged in the shell 1, and the motor shaft 20 extends to the air inlet end of the shell 1 along the axial direction of the shell 1; the fan blade assembly 3 is connected to the extending end of the motor shaft 20; the magnetic induction coil 4 is arranged on the inner wall of the shell 1 and positioned at the periphery of the fan blade assembly 3, and the magnetic induction coil 4 is used for heating the fan blade assembly 3 through electromagnetic induction; the controller 5 is arranged in the handle 11 and is respectively electrically connected with the motor 2 and the magnetic induction coil 4, and the controller 5 is used for controlling the opening and closing of the motor 2 and controlling the intermittent power on and off of the magnetic induction coil 4.

The utility model provides a pair of working principle of hair drier: it should be noted that the principle of electromagnetic induction heating is that alternating current generates an alternating magnetic field through an inductor (i.e., a magnetic induction coil 4), a magnetically permeable object (i.e., a fan blade assembly 3) is placed in the alternating magnetic field to cut alternating magnetic lines of force, so that alternating current (i.e., eddy current) is generated inside the magnetically permeable object, the eddy current makes atoms inside the magnetically permeable object move irregularly at a high speed, and the atoms collide and rub with each other to generate heat energy, thereby achieving a heating effect, i.e., a heating mode in which a heated magnetically permeable object generates heat by inducing magnetic energy through converting electric energy into magnetic energy.

When the electric fan works, the control button 50 is turned on (a blower is usually provided with a switch to be turned on and off, namely the control button 50), the motor 2 and the magnetic induction coil 4 are electrified, the motor 2 drives the fan blade assembly 3 to rotate, air can be sucked from the air inlet end of the shell 1, the air (wind) passes through the fan blade assembly 3 and then is blown out from the air outlet end of the shell 1, the magnetic induction coil 4 can carry out electromagnetic induction heating on the fan blade assembly 3, certainly, the fan blade assembly 3 must have a ferrous material with magnetic conductivity, the fan blade assembly 3 is used as a heat source to carry out heat exchange on the air (wind) passing through the fan blade assembly 3, so that the air outlet of the shell 1 discharges hot air, it needs to be explained that the controller 5 can control the magnetic induction coil 4 to carry out intermittent power on and off through a preset program, the fan blade assembly 3 is heated when the magnetic induction coil 4 is powered on, during the period, fan blade assembly 3 can continue to exchange heat with air (wind) by utilizing the residual heat of itself, and after the set time, magnetic induction coil 4 is electrified again to heat fan blade assembly 3 again, and the cycle is repeated, so that the temperature of fan blade assembly 3 can be maintained within the set range.

Compared with the prior art, the hair drier provided by the utility model, the controller 5 is arranged inside the handle 11, the occupied space is small, the controller 5 controls the magnetic induction coil 4 and the motor 2 to work, the magnetic induction coil 4 carries out electromagnetic induction heating on the fan blade component 3, the motor 2 drives the fan blade component 3 to rotate, so that air (wind) is sucked into the shell 1 from the air inlet end of the shell 1, the air (wind) is heated and heated in the process of passing through the fan blade component 3, then hot wind is blown out from the air outlet end of the shell 1, the controller 5 can control the magnetic induction coil 4 to carry out intermittent on-off work, so that the fan blade component 3 is kept in a set temperature range, the phenomenon that the temperature of the fan blade component 3 is overhigh due to continuous work of the magnetic induction coil 4, the air outlet is overheated and the human body is scalded is avoided, the service life of the fan blade component 3 is slightly influenced by the heating temperature of the, thus ensuring a long life of the hair dryer.

As a specific embodiment of the hair dryer provided in the present invention, please refer to fig. 1, a temperature sensor 6 electrically connected to the controller 5 is further disposed on one side of the inner wall of the casing 1 located on the magnetic induction coil 4, and the temperature sensor 6 is used for detecting the temperature of the fan blade assembly 3. Detect flabellum subassembly 3's temperature and feed back to controller 5 through temperature sensor 6, whether controller 5 judges flabellum subassembly 3's temperature according to the feedback value is in the program setting within range, thereby control magnetic induction coil 4 circular telegram or outage, can accurately judge flabellum subassembly 3's temperature through temperature sensor 6, thereby can make 5 accurate control flabellum subassembly 3's of controller temperature, and then make casing 1's air-out end exhaust hot-blast keep setting for the within range, thereby ensure that controller 5's control program all can accurate control air-out temperature under the ambient temperature of difference (winter or summer), avoid the too high human body of scald of wind temperature, improve use comfort.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and 2, the fan blade assembly 3 includes an insulating sleeve 31 and a plurality of fan blades 32; wherein, the insulating heat insulation sleeve 31 is sleeved on the shaft of the motor 2 along the axial direction of the motor shaft 20; the plurality of blades 32 are provided on the outer wall of the insulating sheath 31 at regular angular intervals around the axis of the insulating sheath 31. Through insulating radiation cover 31 transmission power, can avoid motor 2 to flabellum 32 electric leakage on the one hand, especially to when air humidity is great in the humid environment, can avoid causing the electric leakage risk through the electrification of flabellum 32 exhaust hot-blast, on the other hand can avoid flabellum 32 temperature to transmit the phenomenon that arouses motor 2 high temperature to motor 2 inside through motor shaft 20, ensures 2 long service life of motor.

In the present embodiment, please refer to fig. 2, the fan blade 32 includes a heat insulation sheet 321 and an iron blade 322; one end of the heat insulating sheet 321 is fixedly connected with the outer wall of the insulating heat insulating sleeve 31, and the other end extends in the radial direction of the insulating heat insulating sleeve 31 away from the center of the insulating heat insulating sleeve 31; one end of the iron blade 322 abuts against the extending end of the heat insulating sheet 321, and the other end extends toward the magnetic induction coil 4 along the extending direction of the heat insulating sheet 321. The heat insulation sheet 321 can be integrally formed by the same material as the insulating heat insulation sleeve 31, so that the manufacturing is convenient, and the high temperature of the iron blade 322 can be prevented from being transmitted to the motor 2; the iron blade 322 has good magnetic conductivity, the electromagnetic heating through the magnetic induction coil 4 is fast in temperature rise, the heating efficiency is high, a high-strength steel plate or a stainless steel plate can be preferentially selected for the iron blade 322, and the rigidity and the toughness of the iron blade 322 are guaranteed.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 and fig. 4, the extending end of the heat insulation sheet 321 is provided with a T-shaped slot 3210, one end of the iron blade 322 is provided with a T-shaped plug 3220, and the T-shaped plug 3220 is fixedly inserted into the T-shaped slot 3210. Because the fan blade 32 has a larger centrifugal force in the rotating process, the iron blade 322 is inserted into the T-shaped slot 3210 of the heat insulation sheet 321 through the T-shaped plug 3220, and the T-shaped structure can fix the iron blade 322 along the rotating direction thereof and can ensure the iron blade 322 to be fixed along the radial direction of the insulating heat insulation sleeve 31, so that the iron blade 322 and the heat insulation sheet 321 are stably connected, the fan blade 32 is ensured to rotate stably, and the reliability is high; when the iron blade 322 is installed, the T-shaped plug 3220 is inserted from the side of the T-shaped slot 3210, and if necessary, the positioning screw 323 is screwed to the side wall of the T-shaped slot 3210, and one end of the positioning screw 323 is inserted into the T-shaped slot 3210 and then abuts against the iron blade 322, thereby preventing the iron blade 322 from falling off, and improving the connection reliability between the iron blade 322 and the heat insulation sheet 321.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the width of the extending end of the iron blade 322 is greater than the width of the butt end. The width of the extending end of the iron blade 322 is large, so that the electromagnetic induction area with the magnetic induction coil 4 is large, thereby improving the heating efficiency of the iron blade 322 by the magnetic induction coil 4.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, an air outlet end of the casing 1 is a necking structure or a flat structure. On the one hand, the hot air is conveniently blown out in a concentrated mode, on the other hand, the area of the air outlet is reduced, the air speed can be improved, and the drying efficiency of the hair is improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and fig. 2, the inner wall of the casing 1 is provided with a motor bracket 12 integrally formed with the casing 1, and the motor bracket 12 is provided with a plurality of ventilation openings 120, and the motor 2 is connected to the motor bracket 12. The motor support 12 and the shell 1 are integrally formed, the motor 2 is stably and reliably connected, the processing and the manufacturing are convenient, and the vent 120 on the motor support 12 can enable air (wind) to smoothly pass through the motor support 12.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, a battery 7 is disposed inside the handle 11, and the battery 7 is electrically connected to the motor 2, the magnetic induction coil 4, and the controller 5 respectively. The motor 2, the magnetic induction coil 4 and the controller 5 are powered by the battery 7 in the handle 11, so that the problem of line confusion caused by an external power plug-in mode is solved, and it should be noted here that an inverter is connected in series between the battery 7 and the magnetic induction coil 4, and the inverter can convert direct current generated by the battery 7 into alternating current, so that the battery 7 supplies the alternating current to the magnetic induction coil 4 to generate an alternating magnetic field.

In the present embodiment, please refer to fig. 1, a power socket 70 is disposed at the bottom end of the handle 11, and the power socket 70 can be plugged with a power cord, so that on one hand, the battery 7 can be charged by connecting an external power source through the power cord, and on the other hand, when the battery 7 is insufficient, the battery 7 can be charged by connecting the power cord, thereby ensuring a long endurance time of the hair dryer and satisfying a long continuous use.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the air inlet end of the casing 1 is detachably connected with a ventilation shield 13. The ventilation guard shield 13 does not influence the air inlet of the air inlet end of the shell 1, and can protect the air inlet end of the shell 1, so that the phenomenon that the body part enters the shell 1 due to misoperation to cause scratch or scald on the human body is avoided.

In the present embodiment, referring to fig. 1 and fig. 3, the ventilation hood 13 is provided with a hinge lug 130 and a buckle 131 respectively on two sides passing through the central axis thereof, the outer wall of the air outlet end of the casing 1 is provided with a hinge shaft and a protrusion 10 respectively corresponding to the hinge lug 130 and the buckle 131, the hinge lug 130 is hinged to the hinge shaft, and the buckle 131 is clamped to the protrusion 10. The ventilation shield 13 is convenient to disassemble, assemble and open, so that the fan blade assembly 3 is convenient to clean, and the magnetic induction coil 4 is convenient to maintain and replace.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A hair dryer, comprising:

the two ends of the shell are communicated, one end of the shell is used for air inlet, the other end of the shell is used for air outlet, and the outer wall of the shell is provided with a handle;

the motor is arranged in the shell, and a motor shaft extends to the air inlet end of the shell along the axial direction of the shell;

the fan blade assembly is connected to the extending end of the motor shaft;

the magnetic induction coil is arranged on the inner wall of the shell and positioned at the periphery of the fan blade assembly, and the magnetic induction coil is used for heating the fan blade assembly through electromagnetic induction;

the controller is arranged in the handle and is electrically connected with the motor and the magnetic induction coil respectively, and the controller is used for controlling the opening and closing of the motor and controlling the intermittent power on and off of the magnetic induction coil.

2. A hair dryer as claimed in claim 1, wherein: the inner wall of casing is located one side of magnetic induction coil still be equipped with the temperature sensor that the controller electricity is connected, temperature sensor is used for detecting the temperature of flabellum subassembly.

3. The hair dryer of claim 1, wherein said fan blade assembly comprises:

the insulating heat-insulating sleeve is sleeved on the motor shaft along the axial direction of the motor shaft;

and the fan blades are arranged on the outer wall of the insulating and heat-insulating sleeve at equal angular intervals by taking the axis of the insulating and heat-insulating sleeve as a center.

4. The hair dryer of claim 3, wherein said fan blades comprise:

one end of the heat insulation sheet is fixedly connected with the outer wall of the insulating heat insulation sleeve, and the other end of the heat insulation sheet extends in the radial direction of the insulating heat insulation sleeve away from the center of the insulating heat insulation sleeve;

and one end of the iron blade is butted with the extending end of the heat insulation sheet, and the other end of the iron blade extends towards the magnetic induction coil along the extending direction of the heat insulation sheet.

5. A hair dryer as claimed in claim 4, wherein: the extension end of heat shield is equipped with T type slot, the one end of iron blade is equipped with T type plug, T type plug with T type slot grafting is fixed.

6. A hair dryer as claimed in claim 4, wherein: the width of the extending end of the iron blade is larger than that of the butt joint end.

7. A hair dryer as claimed in claim 1, wherein: the air outlet end of the shell is of a necking structure or a flat structure.

8. A hair dryer as claimed in claim 1, wherein: the inner wall of casing be equipped with casing integrated into one piece's motor support, just be equipped with a plurality of vents on the motor support, the motor connect in on the motor support.

9. A hair dryer as claimed in claim 1, wherein: the handle is internally provided with a battery, and the battery is electrically connected with the motor, the magnetic induction coil and the controller respectively.

10. A hair dryer as claimed in any one of claims 1 to 9, wherein: the air inlet end of the shell is detachably connected with a ventilation shield.