TWM535492U - Electric heating device of hair dryer - Google Patents

Description

Hair dryer electromechanical device

The invention relates to a hair dryer electromechanical device, which is a heating device which is assembled in a hair dryer and generates heat after being energized, so that the cold air flows through the hot air, and the technical feature is that the heating wire is arranged on the inner and outer tubes made of ceramic material. Between the two, the generated heat energy is quickly transmitted to the inner and outer peripheral surfaces of the inner and outer tubes, and when the external cold air is sucked into the inside of the blower, it can be quickly turned into hot air because the heat generating area is increased, providing better Thermal efficiency, for the creation of excellent practicality.

According to the hair dryer, one of the appliances commonly used in daily life is mainly because the heat module provided in the hair dryer allows the air outside the hair dryer to be sucked into the hair dryer, and after being heated by the heating module, it is discharged into the hot air to provide a blow drying function. The function of the hair can be used to dry the clothes and be used as a dryer when it is rainy or wet. The internals of the hair dryer include a fan, a motor and a heating module. The heating module is composed of The two mica film cross groups are in the shape of a "ten" shape, and a plurality of electric heating coils are wound on the outer side of the support. When the motor drives the fan to rotate, and the air blows into the air inlet, the electric heating coil of the heating module is energized. After the heat will be generated, the cold air will contact the electric heating coil and absorb the heat generated by the electric heating coil, then the cold air will become hot air and be sent out by the air outlet of the hair dryer; the conventional hair dryer is limited by the heat generating component, only the electric heating coil, and the heat is generated. The area is only the size of the electric heating coil itself, and the speed of heating the cold air is slow. However, increasing the length of the electric heating coil is only Plus heating module can generate thermal energy for increasing the heating speed of the blower, i.e., the thermal efficiency of little help.

In view of the above situation, the creator invested a lot of time to study relevant knowledge, and compared various advantages and disadvantages, research and development of related products, and after many experiments and tests, finally launched a "blowing electromechanical device" to improve the above-mentioned defects. To meet the needs of the public.

The main object of the present invention is to provide a hair dryer electromechanical device that solves the problems of the prior art described above, provides an excellent function of low power consumption and safety, and thereby improves the thermal efficiency of the hair dryer.

Another object of the present invention is to provide a hair dryer electrothermal device, which can reduce the influence of electromagnetic waves on the human body and reduce damage to the hair, and can generate far infrared rays to promote blood circulation, activate hair follicles to make the scalp healthier, and reduce the threat of hair loss. .

Therefore, in order to achieve the above object and effect, the present invention provides a hair dryer electromechanical device which is disposed in a fixing groove of a cruciform mica sheet in a blower housing, and includes an outer tube which is hollow in a ceramic material and has An inner tube is hollow in a ceramic material and has a through hole, and the inner tube is assembled in the accommodating space; an electric heating wire is disposed on the inner tube and the outer tube Between the time, when the power is turned on, heat is generated, and heat is transmitted to the inner and outer peripheral walls of the inner and outer tubes to improve the thermal efficiency of the blower.

A further technical feature of the present invention is that a circumferential groove is formed around the outer circumferential surface of the inner tube, and the electric heating wire is disposed in the groove.

A further technical feature of the present invention is that the outer tube is provided with a plurality of holes.

A further technical feature of the present invention is that the outer tube is composed of opposing two semi-circular shells.

A further technical feature of the present invention is that the inner tube is provided with a plurality of holes.

A further technical feature of the present invention is that the inner tube is comprised of opposing two semi-circular shells.

A further technical feature of the present invention is that the electric heating wire is made of a nickel-chromium alloy or an iron-chromium-aluminum alloy.

In combination with the technical features described above for the present invention, the advantage is that the inner tube structure is combined with the outer tube made of ceramic material, and the heating wire is disposed between the inner tube and the outer tube. When the power is turned on, the heating wire will generate heat, and the generated heat energy will be transmitted to the inner and outer peripheral walls of the inner and outer tubes, so that the heating area is increased, and the heat efficiency of the hair dryer can be improved to completely solve the problem that the heating area of the conventional hair dryer is only electric heating. The size of the wire itself, the slow speed of heating the cold air. Therefore, this creation can be said to be a kind of practical and progressive creation, which is worthy of promotion by the industry and publicized to the public.

1‧‧‧shell

101‧‧‧air inlet

102‧‧‧air outlet

2‧‧‧fan

3‧‧‧Motor

4‧‧‧Control switch group

5‧‧‧mica tablets

10‧‧‧Electric heating device

11‧‧‧External management

11a, 11b‧‧‧ semicircular shell

111‧‧‧ accommodating space

112‧‧‧ hole

12‧‧‧Inside

12a, 12b‧‧‧ semicircular shell

121‧‧‧through holes

122‧‧‧ trench

123‧‧‧ hole

13‧‧‧Electrical wire

6‧‧‧Insulation

Fig. 1 is a schematic cross-sectional view showing the arrangement of an electric heating device in a casing of a blower.

Fig. 2 is a schematic view showing the combined appearance of the electric heating device and the cruciform mica sheet.

Figure 3 is an exploded view of the electric heating device and the cruciform mica sheet.

Figure 4 is a perspective exploded view of the electric heating device.

Figure 5 is a plan view of Figure 4.

Fig. 6 is a schematic cross-sectional view showing the fourth figure.

Figure 7 is a perspective exploded view showing the perforation of the inner tube and the outer tube.

Figure 8 is a perspective exploded view showing the inner tube and the outer tube of the other embodiment of the electric heating device.

In order to clearly explain the above objectives and effects of this creation, The features and effects of the present embodiment will be described in detail. Referring to FIGS. 1 to 3, a hair-jet electromechanical device 10 is provided in a fixing groove 51 of a cross-shaped mica sheet 5 in a casing 1 of a hair dryer, the housing 1 having a The air inlet 101 and an air outlet 102 have a fan 2, a motor 3, and a control switch group 4 therein; the fan 2 is disposed on a side close to the air inlet 101, the motor 3 is connected to the fan 2, and The fan 2 and the motor 3 are electrically coupled to the control switch group 4. The electric heating device 10 of the present invention is electrically coupled to the control switch group 4 and disposed on a side close to the air outlet 102. The control switch group 4 is connected to the power source, and can selectively activate the fan 2 or select the fan speed. When the fan 2 is started, the present electrothermal device 10 can also be selectively activated, the fan 2, the motor 3, and the control. The structure of the switch group 4, the configuration of the assembly, and the principle of actuation are conventional techniques, and are not the main feature technologies of the present invention. Only the parts of the switch group will be described briefly, and will not be described again; please refer to FIG. 4 and FIG. Show that this creation includes: an outer tube 11, to The ceramic material is hollow and has a receiving space 111; an inner tube 12 is hollow in a ceramic material and has a through hole 121, and the inner tube 12 is disposed in the accommodating space 111; The heating wire 13 is disposed between the inner tube 12 and the outer tube 11, and generates heat when the power source is turned on, and conducts heat to the inner tube 12 and the outer tube 11 to improve the thermal efficiency of the hair dryer. . (The foregoing is the main technical features of the main embodiment of the present invention, which corresponds to the content of the first item of the patent application scope of the present application, and the purpose and implementation form of the present invention are known in detail, and the technical features described in the scope of the remaining sub-applications are for the application. The details of the first content of the patent scope or the additional technical features, rather than limiting the scope of the first paragraph of the patent application scope, it should be noted that the first item of the scope of patent application in this case does not necessarily include the scope of the remaining patent application scope. Technical characteristics).

The inner circumferential surface of the inner tube 12 is wound around a groove 122, and the heating wire 13 is disposed in the groove 122.

It is worth mentioning that the present invention provides a hair-jet electromechanical device 10 which, when assembled in a blower housing 1, may further have a heat-insulating member 6 at least partially surrounding the creation battery. The heat device 10, the heat insulating member 6 may be a mica sheet (calcium carbonate plate) bent in a tapered shape to block the heat generated by the electric heating device 10 from being directly transmitted to the casing 1 to provide protection to the casing. 1 and the housing 1 does not cause doubts that would burn people.

However, as described above, when the heating wire 13 is turned on to generate heat, the heating wire 13 is disposed between the inner tube 12 and the outer tube 11, and the inner tube 12 and the outer tube 11 have a ceramic material having a high melting point, high heat resistance, and good heat conduction effect, so that the heat energy generated by the heating wire 13 can be conducted to the inner and outer peripheral walls of the inner tube 12 and the outer tube 11, and When the cold air sucked in by the fan 2 flows into the air outlet 102, the air inlet 101 can pass through the outer side of the outer tube 11 and the through hole 121 of the inner tube 12, and when passing through the present electrothermal device 10 Due to the contact with the inner tube 12 and the inner and outer peripheral walls of the outer tube 11, the heat energy can be quickly absorbed from a larger area of the heat generating area, and the instantaneous heating operation can be completed, thereby improving the thermal efficiency of the hair dryer and indeed improving. The above-mentioned conventional hair dryer has only the electric heating coil which has a small heating area, slow heating of cold air and poor thermal efficiency, and achieves the main purpose of the present invention.

Furthermore, in the present electric heating device, the inner tube 12 and the outer tube 11 are made of a ceramic material, and the ceramic can further reduce the influence of electromagnetic waves on the human body and reduce the damage to the hair, and can generate far infrared rays. Promoting blood circulation, activating hair follicles to make the scalp healthier, and reducing hair loss, achieve another goal expected by this creation.

Moreover, as shown in FIG. 7, the present invention is provided with a hole 112 and a hole 123 in the outer tube 11 and the inner tube 12, so as to increase the flow of the cold air, that is, the inner tube which increases the cold air and heat. 12 and the contact area of the outer tube 11 further contribute to the improvement of thermal efficiency. In addition, referring to FIG. 8, another preferred embodiment of the present invention, wherein the outer tube 11 is composed of opposite semi-circular shells 11a, 11b; the inner tube 12 is also formed by two semi-circular shells. 12a, 12b composition.

In view of the above description of the present invention, the outer tube 11 made of a ceramic material is combined with the structure of the inner tube 12, and the heating wire 13 is disposed on the inner tube 12 and the outer tube 11 Between the heating wire 13 will generate heat when the power is turned on, and the generated heat energy will be transmitted to the inner and outer tubes 12, 11 and the outer peripheral wall, which has more heating area, which can raise the temperature of the cold air. The speed is increased, and the effect of improving the thermal efficiency of the hair dryer can be achieved. It can completely solve the problem that the heating area of the conventional hair dryer is only the size of the electric heating coil itself, and the speed of heating the cold air is slow and shortcoming, compared with the conventional technology, The electric heating device of the present invention can reduce the influence of electromagnetic waves on the human body and reduce the damage to the hair by the characteristics of the ceramic material, and can generate far infrared rays to promote blood circulation, activate hair follicles to make the scalp healthier, and reduce hair loss. The amount of threat, the practicality and the progressiveness of use, are only the preferred embodiments for explaining the creation, and are not intended to impose any form restrictions on the creation. Any modification or change made to the creation under the same creative spirit shall be included in this paragraph for other types that can be implemented and have the same effect. Within the scope of protection for the intent.

In summary, the creation of the "air-drying electromechanical device" is practical and cost-effective. It is indeed in full compliance with the development of the industry, and the disclosed structural creation is also an unprecedented innovative structure, so it has "newness" Sexuality should be undoubtedly considered, and this creation can be more effective than the conventional structure. Therefore, it is also "progressive". It fully complies with the requirements of the application requirements for new patents in the Patent Law of China, and is a patent application in accordance with the law. Please check with the bureau for an early review and give it affirmation.

10‧‧‧Electric heating device

11‧‧‧External management

111‧‧‧ accommodating space

12‧‧‧Inside

121‧‧‧through holes

122‧‧‧ trench

13‧‧‧Electrical wire

Claims (7)

The utility model relates to a hair dryer electromechanical device, which is arranged in a fixing groove of a cross-shaped mica sheet in a blower casing, which comprises: an outer tube which is hollow in a ceramic material and has a receiving space; an inner tube is made of ceramic material The hollow tube has a through hole, and the inner tube is disposed in the accommodating space; and a heating wire is disposed between the inner tube and the outer tube, and generates heat when the power source is turned on. The heat is transmitted to the inner and outer peripheral walls of the inner and outer tubes to improve the thermal efficiency of the blower. The hair-jet electrothermal device according to claim 1, wherein the outer peripheral surface of the inner tube is wound around a groove in a ring shape, and the electric heating wire is disposed in the groove. The hair-jet electromechanical device according to claim 1, wherein the outer tube is provided with a plurality of holes. The hair-jet electromechanical device according to claim 1, wherein the inner tube is provided with a plurality of holes. The hair-jet electromechanical device according to claim 1 or 3, wherein the outer tube is composed of opposite semi-circular shells. The hair-jet electromechanical device according to claim 1 or 4, wherein the inner tube is composed of opposite semi-circular shells. The hair electric heating device according to claim 1 or 2, wherein the electric heating wire is made of a nickel-chromium alloy or an iron-chromium aluminum alloy.