Structure and working principle of electric curling iron

26 2021.12.09

A hair curler, comprising a plurality of hair rollers and a seat plate for power supply. One side of the seat plate is provided with a plurality of sockets for inserting the hair rollers into the power supply. Each hair roller passes through an electrode and a PTC ceramic heating plate arranged in the seat plate. , The hair roller is electrically heated through the above socket. Since the hair curler of the utility model adopts PTC ceramic heating, it has the advantages of fast temperature rise, high thermal efficiency, safety and reliability.

1. A hair curler, comprising a plurality of hair rollers and a seat plate for power supply. A plurality of sockets are provided on one side of the seat plate for inserting the hair roller into power supply, and the hair roller includes a hollow A barrel, a plurality of radial sharp protrusions are distributed on the outer surface of the simplified, characterized in that each of the hair curling barrels further comprises two electrodes and at least one positive temperature coefficient ceramic sheet, and the electrodes are connected to the barrel The electrode surface adapted to the surface and the pin electrically communicated with the electrode surface, the two electrodes are electrically isolated and the two electrode surfaces are arranged in the cylinder body in close contact with the inner surface of the cylinder, and the two pins face one end and are connected to the The two sockets of the socket are matched, and the positive temperature coefficient ceramic sheet is arranged between the two electrodes and is electrically connected to the two electrodes.

2. The hair curler according to claim 1, characterized in that the barrel of the hair curling barrel can be a hollow cylinder with outward radial flanges at both ends, and the electrode can be semicircular in cross section. A shaped electrode cylinder including a chord surface wall and a curved surface wall and the pin formed by one end of the chord surface wall of the electrode cylinder body, the outer surface of the curved surface wall corresponds to the electrode surface, and the curling roller can also It further includes a dielectric sheet with a through hole for placing the positive temperature coefficient ceramic sheet in the middle of the dielectric sheet. The dielectric sheet of the coefficient ceramic sheet is arranged in the circle of the curling barrel, so that the outer surface of the arc surface wall of the two electrodes is close to the inner surface of the cylinder, and the two pins The facing end is matched with the two jacks of the socket.

3. The hair curling device according to claim 2, wherein the hair curling barrel may further comprise a plug head, the plug head is an open end with a clamping edge on the outer edge, and the bottom end has a passage for the two pins to pass through. The barrel structure of the hole, the card edge is locked in the port where the two pins of the hair curling barrel face one end, and the inner surface of the barrel structure matches the outer wall surface of the socket, and the other end of the hair curling barrel Can be a closed end.

4. The curling iron according to claim 1 or 2, wherein the curling iron,It may further include multiple U-shaped hairpins.

5. The curling iron of claim 1 or 2, wherein the seat plate is made of The upper plate is composed of an upper plate, a middle plate fixedly connected with the upper plate, and a lower plate rotatable with respect to the upper plate and the central plate around a central axis, and the central plate is a reel capable of receiving and retracting a power cord.

The utility model relates to a hair curling iron, in particular to an electric heating curling iron.

The earlier method of curling hair was to use a plastic curling tube that could not be heated to curl the hair in On the plastic curling tube, it takes a long time for at least 4-5 hours, sometimes as long as 7-8 hours to complete the curls, which is very time-consuming and cannot meet the requirements of making a certain hairstyle in a short time. At present, a heated curling barrel has been developed to shorten the curling time, and the curling time can be shortened to ten minutes. However, the heating roller is realized by an electric heating wire structure, which has a complicated structure, high cost, low thermal efficiency and poor safety.

The hair curler of the present invention can overcome the above-mentioned shortcomings of the prior art, and its purpose is To provide a hair curler with a positive temperature coefficient (PTC) ceramic heating element.

The hair curling device of the present invention includes a plurality of curling barrels and a seat plate for power supply. One side of the seat plate is provided with a plurality of sockets for inserting the curling barrel into the power supply. The curling barrel includes a hollow A barrel, a plurality of radial sharp protrusions are distributed on the outer surface of the barrel, wherein each of the hair curling barrels further includes two electrodes and at least one positive temperature coefficient ceramic sheet, and the electrodes have a and The electrode surface adapted to the inner surface of the cylinder and the two pins electrically communicated with the electrode, the two electrodes are electrically isolated and the two electrode surfaces are arranged inside the cylinder in close contact with the inner surface of the cylinder, and the two pins face One end is matched with the two jacks of the socket. Said The positive temperature coefficient ceramic sheet is arranged between the two electrodes and is electrically connected to the two electrodes.

The barrel of the hair curling barrel may be a hollow cylinder with outward radial flanges at both ends, and the electrode may be a semicircular cross-section of an electrode barrel containing chordal and arcuate walls and the electrode The barrel is constituted by the pins extending from one end of the chord surface wall, the outer surface of the arc surface wall corresponds to the electrode surface, the hair curling barrel may further include a dielectric sheet, and a placement place is arranged in the middle of the dielectric sheet. Describe the hole of the positive temperature coefficient ceramic sheet.

The two electrodes are arranged in the cylindrical body of the hair roller by clamping the two chordal walls of the two chord surfaces oppositely to the dielectric sheet with the positive temperature coefficient ceramic sheet placed in the through hole, so that the The outer surfaces of the arc-surfaced walls of the two electrodes are close to the inner surface of the cylindrical body, and the two pins face one end to fit with the two insertion holes of the socket.

The hair curling barrel may further include a plug head, the plug head is a barrel structure with a clamping edge on the outer edge of the open end and a through hole for the two pins to pass through at the bottom end, and the clamping edge is clamped on the The two pins of the hair curling barrel face into the port at one end and the inner surface of the barrel structure matches the outer wall surface of the socket, and the other end of the hair curling barrel may be a closed end.

The hair curler of the utility model constructed as above has the advantages of fast heating, high thermal efficiency, safety and reliability.

The following describes the utility model in detail with reference to the embodiments of the drawings

Figure 1 is an overall cross-sectional view of an embodiment of the utility model;

Figure 2 is a top view of the seat plate component of an embodiment of the utility model;

Figure 3 (a) is a cross-sectional view of the curly hair in the above embodiment;

Figure 3(6) is the A-A cross-sectional view of the curling barrel;

Figure 4 (a) is a main cross-sectional view of the electrode in the above-mentioned curling barrel;

Figure 4(b) is a B-B cross-sectional view of Figure 4(a);

Figure 4(c) is the left side view of Figure 4(a);

Figure 4(d) is the right side view of Figure 4(a);

Figure 5(a) is a front view of the medium sheet in the above-mentioned hair roller;

Figure 5(6) is a side view of Figure S(a);

Figure 6 shows the PTC ceramic heater in the above-mentioned hair roller;

Figure 7 is a structural diagram of the plug in the above-mentioned curling barrel;

Fig. 8 is a structural diagram of a hair clip used on the above-mentioned curling barrel.


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