Electrically heated hair-curler
Technical field
The utility model relates to the electric-heating technology field, relates in particular to a kind of electrothermal hair-waving device that is used to improve looks, and the utility model device is applicable to general beauty parlor and family.
Background technology
The present electrically heated hair-curler that generally is used for hairdressing can be summed up as three kinds of structures as shown in Figure 1 substantially, electrically heated hair-curler shown in Fig. 1 a is by being wrapped in heating line 61 on the silica gel pipe 62 and overcoat insulation tube formation heater element, the heat of this curler scatters and disappears bigger, its thermal efficiency is lower, usually need to heat about half an hour just to reach 160 ℃ operating temperature, therefore user regular meeting waits for impatiently; Fig. 1 b's then is to make heater element with PTC heating resistor 71, conduct to by heat conduction aluminium flake 72 on the metal tube 73 of outside, though this curler directly contacts by metal and transmits heat, but because the heating area of heater element is much smaller than the area of dissipation of its outside metal tube 73, and the thermal power of the heater element of unit volume is less, and PTC heating resistor 71 is the highest can only to be warming up to 250 ℃, its programming rate is also fast inadequately, usually need energising just can be warming up to 160 ℃-180 ℃ serviceability temperature in 7 to 10 minutes, if attempt is by adding the high-power temperature that improves heater element, the then easy explosion of heater element; Curler among Fig. 1 c is to make bobbin with spissatus female 81, directly contact around last heating line and after wrapping insulating barrier outside it with the metal tube 82 of outside, this curler can be warming up to 200 ℃ in 1 minute, but also inapplicable when outer field metal tube 82 diameters are big, and, its heater element heating is inhomogeneous, the temperature that can tolerate has height, is difficult to control on producing and using, and temperature sensor can not be stablized, make temperature control change greatly the poor effect of hairdressing.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of and can high-powerly heats, quick heating, and thermal inertia is less, and can do greatlyyer electrically heated hair-curler to the caliber of electrothermal tube.
Another technical problem to be solved in the utility model is to provide a kind of temperature control accurate electrically heated hair-curler.
The technical scheme that the utility model adopted is, manufacture and design a kind of electrically heated hair-curler, comprising: electrothermal tube, be hinged on the electrothermal tube and have the intermediate plate by hand, a wiring board that is installed in the temperature sensor on the electrothermal tube and is electrically connected with electrothermal tube by what spring and electrothermal tube were formed clip; Described electrothermal tube comprises metal outer pipe and the spray of the pottery more than one or film heat-generating pipe, extend internally from described metal outer pipe inwall and can hold the metallic support of described pottery spray film heat-generating pipe, described pottery spray film heat-generating pipe more than one or is fixedly sleeved on described metallic support.Can make the electrothermal tube of different tube diameters thus according to the use needs, and described pottery spray film heat-generating pipe power is big, can be warming up to operating temperature at short notice.
Described pottery spray film heat-generating pipe comprises interior porcelain tube and the external ceramic tube that the insulation of mutual socket is conducted heat, and folder is with heating film between the outer wall of described interior porcelain tube and the inwall of external ceramic tube; Porcelain tube is shorter than external ceramic tube in described, and its two ends all in the indentation external ceramic tube, are filled with resistant to elevated temperatures insulating cement between described external ceramic tube end and interior porcelain tube end; The conductive lead wire of described heating film is drawn wiring board back and in the handle that is installed in electrothermal tube one end from insulating cement and is electrically connected.
Described temperature sensor directly is attached near pottery and sprays on the metallic support inwall of film heat-generating pipe end, and temperature sense is very sensitive like this, helps accurate temperature controlling.
Described metallic support comprises that one or more diameter is littler but just in time hold the metal inner pipe of pottery spray film heat-generating pipe than metal outer pipe, the tube wall of described metal inner pipe and described metal outer pipe is tangent, this structure is mainly transmitted heat by the mode that passes to, the heat that can send pottery spray film heat-generating pipe quickly is passed to the outer wall of metal outer pipe.
Described metallic support comprises that also one or more connects described metal outer pipe and metal inner pipe or be connected the seamed edge of metal inner pipe, but this seamed edge intensity of reinforcement metal support not only under the bigger situation of metal outer pipe caliber, and the heat that pottery spray film heat-generating pipe is sent can be passed to the outer wall of metal outer pipe quickly.
Porcelain tube and external ceramic tube are the high-quality pottery that contains alchlor in described.The external diameter of described external ceramic tube is 4 millimeters to 25 millimeters, and wall thickness is 0.3 millimeter to 1.0 millimeters; The wall thickness of porcelain tube is 0.5 millimeter to 1.5 millimeters in described.
Described heating film is spraying and the planar resistance slurry of one deck that forms through high temperature sintering on the outer surface of interior porcelain tube, and its thickness is 0.1 millimeter to 0.3 millimeter.
Described metal outer pipe and metallic support adopt the fast aluminum material that conducts heat.
Compared with prior art, electrically heated hair-curler of the present utility model adopts the big and backheat pottery spray uniformly film heat-generating pipe of power, not only heats up rapidly, can reach maximum operating temperature in 10 seconds, and reliable operation, can explosion, and as safe as a house, long service life; Metal outer pipe makes electrothermal tube to make different caliber sizes according to different use needs with the structure that interior pipe is formed, and the scope of application is wider; The temperature control circuit that temperature sensor and wiring board are formed is highly sensitive, and temperature control is accurate, and hairdressing is effective.
Description of drawings
Fig. 1 is the schematic diagram of three kinds of structures of existing electrically heated hair-curler employing;
Fig. 2 is the longitudinal sectional drawing of described pottery spray film heat-generating pipe 13;
Fig. 3 is the structural representation of the utility model electrically heated hair-curler embodiment one;
Fig. 4 is the transverse cross-sectional view of electrothermal tube 1 described in Fig. 3;
Fig. 5 be metal outer pipe 11 and metallic support 12 various combination modes schematic diagram;
Fig. 6 is the structural representation of the utility model electrically heated hair-curler embodiment two;
Fig. 7 is the transverse cross-sectional view of electrothermal tube 1 described in Fig. 6;
Fig. 8 is the structural representation when directly the socket pottery sprays film heat-generating pipe 13 in the metal outer pipe 11;
Fig. 9 is the temperature adjustment and the control circuit that contain integrated circuit of described wiring board.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described.
As shown in Figure 3, the utility model electrically heated hair-curler comprises: electrothermal tube 1, be hinged on the electrothermal tube 1 and form having intermediate plate 2 by hand 21, being installed in the temperature sensor 3 on the electrothermal tube 1, the handle 5 that is connected with electrothermal tube 1 one ends of clip by spring and electrothermal tube 1, and be installed in the interior wiring board of handle 5.Wiring board is temperature adjustment and the control circuit that contains integrated circuit, and handle 5 is provided with temperature selector switch and indicator lamp.
As Fig. 4 and shown in Figure 7, metallic support 12 that described electrothermal tube 1 comprises metal outer pipe 11, extend internally from metal outer pipe 11 inwalls and fixedly sleeved pottery spray film heat-generating pipe 13 on metallic support 12 more than one or.Described metallic support 12 can adopt various ways, wherein the metal inner pipe structure with circle is good, pottery spray film heat-generating pipe 13 is arranged in the inner chamber of circular metal pipe 12 and closely contacts with the inwall of metal inner pipe 12, and metal inner pipe 12 is tangent with the tube wall of metal outer pipe 11, both shared one section tube walls help the quick transmission of heat.
As Fig. 2 and shown in Figure 4, described pottery spray film heat-generating pipe 13 comprises interior porcelain tube 132 and the external ceramic tube 133 that the insulation of mutual socket is conducted heat, and be positioned at the heating film 131 of interlayer between the two, described heating film 131 is spraying and planar resistance slurries of one deck of forming through high temperature sintering on the outer surface of interior porcelain tube 132, thickness is got 0.1 millimeter to 0.3 millimeter, and the best is 0.2 millimeter.Porcelain tube 132 is shorter than external ceramic tube 133 in described, and its two ends all in the indentation external ceramic tube 133, are filled with resistant to elevated temperatures insulating cement 16 between described external ceramic tube 133 ends and interior porcelain tube 132 ends.The conductive lead wire 17 of described heating film 131 is drawn and is electrically connected with wiring board in being installed in handle 5 from an end of interior porcelain tube 132.Porcelain tube 132 and external ceramic tube 133 are for containing the high-quality pottery of alchlor in described.The wall thickness of porcelain tube 132 is got 0.5 millimeter to 1.5 millimeters in described, and the best is 1.0 millimeters; The wall thickness of described external ceramic tube 133 is got 0.3 millimeter to 1.0 millimeters, and the best is 0.6 millimeter, and external diameter is 4 millimeters to 25 millimeters, decides according to the different sizes of metal inner pipe 12.
Described metal outer pipe 11 and metallic support 12 adopt the fast aluminum material that conducts heat.As shown in Figure 5, described metallic support 12 has numerous embodiments, caliber size according to metal outer pipe 11, metallic support 12 can be made up of one (Fig. 5 a-c) or the tangent metal inner pipe (Fig. 5 d-e) of inwall a plurality of and metal outer pipe 11, can be provided with the metal seamed edge 15 that links to each other between metal outer pipe 11 and the metal inner pipe and between metal inner pipe 12 and the metal inner pipe 12 in case of necessity.By the pottery spray film heat-generating pipe 13 of selecting the different-diameter size for use and metal inner pipe 12 and the number thereof of setting corresponding size, the scope that the caliber of metal outer pipe 11 can be made 7 millimeters to 50 millimeters is to adapt to different curly hair needs.As shown in Figure 8, when directly the socket pottery sprays film heat-generating pipe 13 in the metal outer pipe 11, the outer wall of pottery spray film heat-generating pipe 13 closely contacts with metal outer pipe 11 inwalls, the heat of pottery spray film heat-generating pipe 13 can conduct to metal outer pipe 11 surfaces fast, this moment, the programming rate of curler was the fastest, can in 10 seconds, be warming up to required operating temperature rapidly, at this moment, the external diameter of described metal outer pipe 11 can adopt 9.5 millimeters, 12.5 millimeters, 16 millimeters, 25.4 millimeters, 32 millimeters, 38 millimeters or 50 millimeters etc.
Fig. 3 is the embodiment one of the utility model curler, the caliber of its metal outer pipe 11 is bigger, it is 50 millimeters, as Fig. 4, metal outer pipe 11 inwall inscribes are connected with two metal inner pipes 12 up and down, respectively be equipped with in two metal inner pipes 12 between a pottery spray film heat-generating pipe 13, two metal inner pipes 12 and connect a metal seamed edge 15.Fig. 6 is the embodiment two of the utility model curler, the caliber of its metal outer pipe 11 is 25 millimeters, as Fig. 7, one metal inner pipe, 12 inscribes are connected in metal outer pipe 11 upper inside wall, one pottery spray film heat-generating pipe 13 is housed in this metal inner pipe 12, and connects the below wall body of metal outer pipe 11 by metal seamed edge 15.
As Fig. 4 and shown in Figure 7, described temperature sensor 3 directly is attached on the inwall near the metallic support 12 of pottery spray film heat-generating pipe 13 ends, be electrically connected by the wiring board in conductive lead wire and the handle 5, sensitive and accurately, can reach the purpose of accurate temperature controlling to the temperature sense of the metal outer pipe 11 that directly contacts with hair.
Figure 9 shows that the limit temperature thermoregulation circuit of being made up of resistance heating film 131, temperature sensor 3 and wiring board, this limits warm thermoregulation circuit to be ripe prior art, no longer describes in detail here.
Adopt the electrically heated hair-curler of said structure and material, the heat of heating film 131 can be passed to metal outer pipe 11 rapidly, can be heated in 10 to 20 seconds after the energising more than 200 degree, wiring board can be controlled electrothermal tube 1 and be warming up to a certain degree back balance on a stable temperature.Can select the height of temperature by the temperature selector switch on the handle 5.