CN215956674U

CN215956674U - Ceramic heater of electric hair drier

Info

Publication number: CN215956674U
Application number: CN202122256351.7U
Authority: CN
Inventors: 陈少婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-04
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a ceramic heater of an electric hair drier, which comprises a heat-conducting insulation body, a non-metal heating layer and a plurality of heat exchange holes which penetrate through the heat-conducting insulation body and are used for heated air fluid to pass through, wherein a power supply input end for forming a heating loop is arranged at a preset position of the non-metal heating layer. Compared with the prior structure, the utility model has the following advantages: the graphene is used as a heating body, and the graphene heating device has the advantages of high heating speed, high electric heating efficiency, energy conservation, uniform heating, high heating value and the like. Meanwhile, the electric heating wire has the characteristics of high heating speed and high electric heating efficiency, saves electricity by 30-50% compared with a resistance wire and 15-20% compared with semiconductor heating, and has the advantages of uniform heating, high heat productivity and the like. The ceramic matrix has the advantages of high melting point, high hardness, high strength, good chemical corrosion resistance and dielectric property, low cost, easy realization and wide popularization and application.

Description

Ceramic heater of electric hair drier

Technical Field

The utility model relates to the technical field of heating devices, in particular to a ceramic heater of an electric hair drier.

Background

Currently, the hand-held hair dryers on the market basically adopt a heating wire/resistance wire component for heating air, and the component has the defects of slow heating, low electric heating conversion rate and high energy consumption. Secondly, in the internal circuit of the hair dryer, the heating wire is usually connected in parallel with the electric motor (fan motor). When the motor is in a halt state due to faults, the heating wires are still continuously heated due to the fact that the parallel branches are not affected with each other, and potential safety hazards exist due to the fact that the heating wires are at ultrahigh temperature. Aiming at the safety problem, the electric hair drier basically adopts a structure that an internal safety device triggers a safety switch to realize safety protection. And the safety is guaranteed by depending on the control of an electronic device, which is not in line with the development direction of the technology.

The current PTC ceramic electric heating piece belongs to a positive temperature coefficient electric heating device, has low temperature, small resistance and small heating power, but has the defect that the power attenuation amplitude is larger, and when the PTC ceramic electric heating piece is used on a high-power electric hair drier, the phenomenon of great attenuation of the heating performance in a short time is easily caused, and the use experience is directly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the ceramic heater for the hair dryer, which has the advantages of ingenious and reasonable design, excellent heating efficiency and excellent comprehensive performance, aiming at the defects.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows: the utility model provides a hairdryer ceramic heater, its includes heat conduction insulator, sets up in the nonmetal zone of heating of the both ends surface that heat conduction insulator position is relative and runs through a plurality of heat transfer holes that the air fluid that heat conduction insulator supplied the heating passes through, the preset position on nonmetal zone of heating is provided with the power input end who forms heating circuit.

As a further elaboration of the utility model:

in the above technical solution, the insulation body is a ceramic body whose outer contour shape is a circle or a regular polygon, and the nonmetal heating layers are disposed on the outer surfaces of the two ends of the ceramic body, which are symmetrically disposed, and all cover the outer surfaces.

In the above technical scheme, the non-metal heating layer is a surface layer formed by compounding one or both of graphene and carbon nanotubes.

In the above technical scheme, the nonmetal heating layers are electrically connected in parallel.

In the above technical scheme, the nonmetal heating layers are electrically connected in series.

In the above technical scheme, the heat exchange holes are arranged in the heat conduction insulating body and penetrate through the nonmetal heating layer.

In the technical scheme, the axial thickness of the ceramic body is 4-20 mm.

In the technical scheme, the thickness of the non-metal heating layer is 12-20 μm.

In one embodiment, the power input includes a positive electrode connection terminal and a negative electrode connection terminal, both of which are in a welded structure.

In another embodiment, the power input end comprises a positive electrode connecting end and a negative electrode connecting end, and both the positive electrode connecting end and the negative electrode connecting end are of a mechanical clamping structure.

The utility model has the beneficial effects that: compared with the prior structure, the structure has the following advantages:

firstly, the graphene is used as a heating body, and the graphene heating device has the advantages of high heating speed, high electric heating efficiency, energy conservation, uniform heating, high heating value and the like.

Secondly, the high-temperature graphene film is adopted, the working temperature can reach one thousand ℃, the working temperature is stabilized at three hundred to nine hundred ℃, and the thermal stability is good. In addition, the graphene is used as a heating body, the heating speed is high, and the heating temperature of two seconds can reach three hundred ℃; the electric heating efficiency is high, the electricity is saved by 30-50% compared with the resistance, and the electricity is saved by 15-20% compared with the semiconductor heating; the heating is uniform, the heating value is high and the like.

Thirdly, the heat-conducting insulating body made of the industrial ceramic has the advantages of high melting point, high hardness, high strength, good chemical corrosion resistance and dielectric property, low cost, easy realization and wide popularization and application.

The utility model is further described with reference to the following figures and examples.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model.

Fig. 1 is a schematic structural view of the entire front view of the present invention.

Fig. 2 is a longitudinal sectional structural view of the whole of the present invention.

Fig. 3 is another schematic view of the structure of fig. 2.

Detailed Description

The present invention is further described in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from the description herein, and one skilled in the art can make similar generalizations and deductions based on the practical application without departing from the spirit of the present invention, and therefore, the scope of the present invention should not be limited by the contents of this specific embodiment.

Referring to fig. 1 and 2, the ceramic heater for hair dryer provided by this embodiment includes a heat conductive insulating body 1, a non-metal heating layer 2 disposed on the outer surface of two opposite ends of the heat conductive insulating body 1, and a plurality of heat exchanging holes 3 penetrating through the heat conductive insulating body 1 for passing heated air fluid, wherein a power input end forming a heating loop is disposed at a predetermined position of the non-metal heating layer 2. The heat-conducting insulating body 1 of the embodiment is an industrial ceramic part and has excellent dielectric property and temperature resistance.

The insulator 1 of the present embodiment is a ceramic body having a circular or regular polygonal outer shape. Preferably, the outer contour of the ceramic body is circular. In other embodiments, the outer contour shape of the ceramic body can be a regular polygon, even an ellipse. Further, the middle part of the ceramic body is fully distributed with the honeycomb-shaped heat exchange holes 3; specifically, the heat exchanging holes 3 of the present embodiment are disposed in the heat conducting insulation body 1 according to a predetermined distribution pattern, and penetrate through the non-metal heating layer 2. The heat exchange holes 3 form a via hole structure for heated air fluid, and the heat exchange holes 3 are also used for efficiently spreading heat generated by the nonmetal heating layer 2, so that the air can be rapidly heated, and the heating temperature is stable. Further, the axial thickness of ceramic body is 4 ~ 20mm, preferably 10mm for guarantee under the thinner volume thickness size prerequisite, be used for realizing better heat conductivility, it is rational in infrastructure.

The nonmetal heating layers 2 are arranged on the outer surfaces of two ends of the ceramic body which are symmetrically arranged and are used for completely covering the outer surfaces; and provides sufficient composite strength (peel strength) to provide uniform heat transfer properties. Further, the non-metal heating layer 2 is a surface layer formed by compounding one or both of graphene and carbon nanotubes.

In the specific implementation technical scheme, two nonmetal zone of heating 2 of surface all prefers graphene layer, and the electric heat power parameter of two graphene layers is the same, and the synchronous connection power supply for provide quick heating performance and intensification temperature, the intensification is fast, can reach within two seconds of circular telegram and reach predetermined temperature effect promptly. The two graphene layers are electrically connected in parallel. The thickness of the graphene layer is 12-20 μm, preferably 12 μm, and the thickness is more favorable for reducing the cost and has lower process requirements on the premise of providing enough heating performance.

In another embodiment, the non-metal heating layer 2 can also be made of carbon nanotubes. According to actual structural design needs and market demands, the non-metal heating layer 2 can also be a surface layer formed by compounding the graphene sheet and the carbon nano tube, so that the application range is wider, and the product structure can be flexibly changed according to the market demands. The utility model adopts the high-temperature graphene film, the highest temperature can reach one thousand ℃, the working temperature period is three hundred to nine hundred ℃, and the thermal stability is good. In addition, the graphene is used as a heating body, the heating speed is high, and the heating temperature of two seconds can reach three hundred ℃; the electric heating efficiency is high, the electricity is saved by 30-50% compared with the resistance, and the electricity is saved by 15-20% compared with the semiconductor heating; the heating is uniform, the heating value is high and the like.

The power input of the present embodiment includes a positive electrode connection terminal and a negative electrode connection terminal, which are preferably of welded construction. Specifically, the positive electrode connecting end and the negative electrode connecting end are copper electrodes of a welded structure, and the copper electrodes are provided with outgoing lines. Therefore, the positive electrode connecting end and the negative electrode connecting end form electric conduction through the non-metal heating layer 2 (graphene layer), and the non-metal heating layer 2 and the positive electrode and the negative electrode of the power supply jointly form a heating loop.

Referring to fig. 3, in another embodiment, as a modification of the structure, the non-metal heating layers 2 are electrically connected in series.

In another embodiment, the power input includes a positive electrode connection terminal and a negative electrode connection terminal that are each a mechanical snap-fit structure. The mechanical clamping structure is used for adapting to actual production application change and has wide application range. Specifically, the structure is electrically conducted in a mechanical clamping mode through a clamping joint with adaptive arrangement. The assembly is simple and convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a hairdryer pottery heater which characterized in that: the heating device comprises a heat-conducting insulating body, a nonmetal heating layer and a plurality of heat exchange holes, wherein the nonmetal heating layer is arranged on the outer surfaces of the two opposite ends of the heat-conducting insulating body, the heat exchange holes penetrate through the heat-conducting insulating body and are used for air fluid to be heated to pass through, and a preset position of the nonmetal heating layer is provided with a power supply input end for forming a heating loop.

2. A hair dryer ceramic heater as set forth in claim 1, characterized in that: the non-metal heating layer is arranged on the outer surfaces of two ends of the ceramic body which are symmetrically arranged, and the outer surfaces are completely covered.

3. A hair dryer ceramic heater as set forth in claim 2, wherein: the non-metal heating layer is a surface layer formed by compounding one or both of graphene and carbon nanotubes.

4. A hair dryer ceramic heater as set forth in claim 3, characterized in that: the nonmetal heating layers are electrically connected in parallel.

5. A hair dryer ceramic heater as set forth in claim 3, characterized in that: the nonmetal heating layer is electrically connected in series.

6. A hair dryer ceramic heater as set forth in claim 3, characterized in that: the heat exchange hole is formed in the heat conduction insulation body and penetrates through the nonmetal heating layer.

7. A hair dryer ceramic heater as set forth in claim 2, wherein: the axial thickness of the ceramic body is 4-20 mm.

8. A hair dryer ceramic heater as set forth in claim 3, characterized in that: the thickness of the non-metal heating layer is 12-20 μm.

9. A hair dryer ceramic heater as set forth in claim 1, characterized in that: the power input end comprises a positive electrode connecting end and a negative electrode connecting end, and the positive electrode connecting end and the negative electrode connecting end are both of welded structures.

10. A hair dryer ceramic heater as set forth in claim 1, characterized in that: the power input end comprises a positive electrode connecting end and a negative electrode connecting end, and the positive electrode connecting end and the negative electrode connecting end are both of a mechanical clamping structure.