KR200446230Y1 - Hairstyling implement - Google Patents

Abstract

The present invention aims to provide a hairdressing apparatus that can convert a free voltage external AC power source into a DC power source and use the heating plate at a constant temperature at all times.

Hair care device according to the present invention for achieving the above object is a hair beauty device in which the first body and the second body is hinged, respectively, is installed on the inner upper portion of the first and second body (10, 18) A heating unit 52 having a heating element 12, a temperature sensor 32, and a heating plate 55 to heat the hair; A printed circuit board (PCB) unit 29 is installed at an inner lower portion of the second body 18 and provided with a contact switch 30, a temperature display unit 28, and an operation state display unit 33 on one surface thereof. It is configured to include, the rotary connector 34 is inserted into the front end side of the second body 18 made of a cylindrical, the connector groove body formed on the outer periphery of the rotary connector 34 in the connector fixing body ( 24 is coupled to the outer side of the external power line 31 connected to the rotary connector 34, the cord housing (25, 26) separated left and right to facilitate assembly, one side of the second body (18) Inserted into and coupled to the connector fixing body 24 is characterized by its technical features.

Therefore, the hair beauty appliance according to the present invention can be secured in the use of beauty instruments without having to worry about safety insensitivity when using high voltage AC power by converting the power from commercial AC power to DC power. Freebolt's external AC power can be rectified to accommodate the country's commercial AC power. In addition, through the feedback control of the pulse width modulation control, it is possible to provide a high quality hair care appliance by constantly maintaining the temperature of the heating plate at a predetermined temperature. In addition, the user can easily control the temperature of the heating plate, and the user can easily determine and control the state of the hairdressing apparatus by visually displaying the temperature display and the operation state display.

 Hair curler, Beauty, Hair, Temperature sensor, Pulse width modulation

Description

Hairdressing implements {Hairstyling implement}

The present invention relates to a hair cosmetic device, and more particularly, a hair beauty device that converts an external AC power source of free voltage into a DC power source and also maintains a constant temperature at a predetermined temperature at a predetermined temperature. It is about.

Recently, the interest in women's hair design is very high, and the desire to produce a variety of styles of hair design is increasing, the demand for hair beauty equipment is also increasing.

Electric hair curler, which is a kind of hair beauty instrument, is generally used at home or in a beauty salon, and can be easily connected to a commercial AC power source.

Such electric curlers can be classified into straight perm and wave perm. In general, the electric curler for straight perm has a tongs shape, one side is made of a hinge coupled upper plate and the lower plate, the upper plate and the lower plate is provided with a heating plate each built-in heater. In addition, a power supply on / off switch is provided on the side of the upper plate or the lower plate, and includes a drive circuit for controlling the driving of the heating plate therein.

However, the conventional electric iron is a method in which the heating plate is heated after the user turns on the on (on) switch to some extent, and the heating plate is exposed to the air, so that the heat loss is large and there is a risk of a safety accident. In addition, since wired operation is connected to an external electrical outlet, there is always a concern about safety.

In addition, when using a conventional electric iron, the temperature of the heating plate could not always be determined to be kept constant.

The present invention is to solve the above problems, the present invention is to convert the power from commercial AC power source to DC power source to ensure the stability of the device, in particular to accommodate a number of commercial AC power in many countries of the pre-bolt An object of the present invention is to provide a hair beauty appliance that can rectify and use external AC power.

In addition, an object of the present invention is to provide a high quality hair care appliance that maintains the temperature of the heating plate at a constant temperature at all times through feedback control of pulse width modulation control.

In addition, the present invention allows the user to easily control the temperature of the heating plate, visually display the temperature display and operation status display, and conveniently arrange the operation button, etc., further enhances the ease of control and use of hair beauty An object is to provide an apparatus.

In order to achieve the above object, the hair beauty appliance according to the present invention is a hair beauty appliance hinged to the first body and the second body, respectively installed on the inner upper portion of the first and second body, the heating element and the temperature A heat generating unit including a sensor and a heating plate to heat the hair; It is installed on the inner lower portion of the second body, and comprises a PCB portion provided with a contact switch, the temperature display portion and the operation state display portion on one surface, the rotary connector is inserted into the front end side of the second body made of a cylindrical, The connector fixing body is coupled to the coupling groove formed at the outer circumference of the rotary connector, and a cord housing divided into left and right sides is inserted at one side of the second body to facilitate assembly on the outside of the external power line connected to the rotary connector. The technical feature of the coupling to the connector fixing body.

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According to the present invention, by converting the power source of the hairdressing device from commercial AC power source to DC power source, it is possible to secure stability in the use of the beauty device without having to worry about safety insensitivity when using a high voltage AC power source. It is possible to rectify and use the external AC power of FreeVault to collectively accommodate commercial AC power.

In addition, through the feedback control of the pulse width modulation control, it is possible to provide a high quality hair care appliance by constantly maintaining the temperature of the heating plate at a predetermined temperature.

In addition, the user can easily control the temperature of the heating plate, and the user can easily determine and control the state of the hairdressing apparatus by visually displaying the temperature display and the operation state display.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic view showing an embodiment of a hair beauty appliance according to the present invention, and FIG. 2 is an exploded perspective view of the hair beauty appliance shown in FIG. 1. The hairdressing apparatus in the present invention is a kind of electric iron.

As shown in Fig. 1, in one embodiment of the present invention, the hairdressing instrument is coupled to the first body 10 and the second body 18 by a hinge at a predetermined angle in the shape of a forceps. The material of the first and second bodies 10 and 18 is a light and heat resistant material, and the kind thereof is not particularly limited.

The outer surfaces of the first and second bodies 10 and 18 have very low thermal conductivity, and strong silicone pads 14 and 19 may be attached to the heat resistance, respectively. It is attached to the lower side of the outer surface of the second body (10, 18). In the hair beauty instrument of the present invention, the silicone pads 14 and 19 are ergonomically shaped to fit the hand so that the user is easy to hold the beauty instrument and the held beauty instrument does not slip.

 The front end side of the second body 18 is coupled to the rotary connector 34 to which the external power line 31 is connected. The external power line 31 is configured to supply the external AC power of the pre-bolt, it is firmly fixed to the rotatable connector 34 and coupled to be freely rotatable, so that the user can conveniently use the hair care device. have.

In addition, as shown in FIG. 2, the hair beauty appliance according to the present invention has a cord housing 25 and 26 separated from left and right to facilitate assembly of the external power line 31 terminal. It is coupled to the, by forming the front end side of the second body 18 in a cylindrical shape can be inserted into the connector to facilitate the connector assembly, and also can be secured by wrapping the connector in a cylinder.

In addition, the hairdressing apparatus according to the present invention is coupled between the coupling grooves 35 formed on the outer circumference of the rotary connector 34, and has a connector fixing body 24 for preventing the rotary connector 34 from being separated. The connector assembly is made easy. In this case, the cord housings 25 and 26 are inserted into one side of the second body and coupled to the connector fixing body 24.

The heating unit 52 of the present invention is provided with a heating element 12 and a heating plate 55 to function as a heater to heat the hair, respectively installed on the inner upper portion of the first and second body (10, 18) do. Although the shapes of the heat generating element 12 and the heat generating plate 55 are not limited, as shown in Figs. 1 and 2, a flat plate shape is preferable in this embodiment. In the present invention, the heating element 12 is supplied with DC power from the rectifier circuit unit 101 to be described later to generate heat, and the heating unit 52 is the heating element 12 to sense the temperature of the heating element 12. And a temperature sensor 32 between the heat generating plate 55.

In the present invention, the material of the heating element 12 is not particularly limited as long as it is a material capable of constant heat generation, but as a preferred embodiment of the present invention, NTC (Negative Temperature Coefficient) element (thermistor) or PitiC ( It may be made of a PTC (Positive Temperature Coefficient) device.

In a preferred embodiment of the present invention, the heating element 12, the temperature sensor 32, and the heating plate 55 are sequentially arranged in the form of a laminated structure, in particular, the central portion in the longitudinal direction of the heating plate 55 The temperature sensor 32 is inserted and fixed through the groove formed in the groove (see FIG. 4). By adopting such a configuration, the heating element 12 is accommodated in the heating plate 55 to maximize the thermal efficiency, and the temperature sensor 32 can more accurately sense the heating temperature, as well as the convenience of assembly.

As shown in Figure 2, when looking at the interior of the hairdressing apparatus according to the present invention, the rear inner side of the first body 10 and the second body 18 in a state in which the elastic force is applied upward by the spring 23 consist of. In addition, the left and right hinges 21 and 22 and the hinge cover 15 are coupled to the rear ends of the first and second bodies 10 and 18. In addition, one side of the heating element 12 is disposed on the heating plate 55 coupled with the upper and lower brackets 13 and 20, and the insulator 56 and the leaf spring 57 are mounted on the heating element 12, respectively. do. In the present invention, the material of the insulator 56 is not particularly limited as long as it is a material that does not transmit the temperature of the heated heating unit 52 to the outer body portion. In addition, the leaf spring 57 serves to fix the heat generating portion 52, a material having high heat resistance is preferable.

In addition, the heat generating unit fixing member 11 is disposed on the leaf spring 57 and is coupled to the upper and lower brackets 13 and 20, and the cushion pad 16 is disposed at a predetermined portion on the heating unit fixing member 11. It is installed so that the heat generating portion 52 is given an elastic force. The inner rubber ends of the upper and lower brackets 13 and 20 are combined with a silicone rubber 17 to protect the circuit by blocking hot air from the heater side.

The heat generating unit fixture 11 stably supports the hot heater, prevents heat transfer to the exterior body, and can also move up and down to press the hair in shape when the hair is groomed together with the silicone rubber 17. To help. The cushion pad 16 gives a protrusion to the center and left and right of the silicone rubber 17 to press the hair to the shape when the hair is trimmed.

A printed circuit board (PCB) unit 29 is provided at an inner lower portion of the second body 18 to control the operation of the hairdressing instrument by integrally including a plurality of circuit units and a main control unit 107 which will be described later. do.

The PC unit 29 has a contact switch 30 for electronically turning on / off a power supply and setting a temperature value of the heating element 12, and a temperature display unit 28 for gradually displaying the temperature of the heating element 12. And an operation state display unit 33 for visually displaying the temperature state during operation. The contact switch 30, the temperature display unit 28, and the operation state display unit 33 are inserted into a plurality of holes formed in the lower bracket 20 to protrude to the outside.

As an embodiment of the present invention, the contact switch 30 uses a text switch, and the temperature display unit 28 and the operation state display unit 33 use LED elements to easily identify the heat intensity.

Next, with reference to FIG. 3, the structure of the PCB part 29 and the operation control of the hair beauty instruments by this PCB part 29 are demonstrated in detail.

Figure 3 is a schematic block diagram showing the circuit configuration implemented in the PC portion 29 of the hairdressing appliance according to the present invention.

First, the PCB unit 29 includes a rectifier circuit unit 101, a voltage detector 102, a pressure reduction circuit unit 103, a power supply unit 104, a heating plate control unit 105, a main control unit 107, and a temperature control circuit unit 108. ) And a voltage amplifying circuit 111.

The rectifier circuit 101 receives external AC power of the prevolt through a fuse 100 and rectifies the DC power to supply the DC power to the heating element 12. The rectifier circuit unit 101 is configured to receive various commercial AC power source to rectify the DC power source, the configuration can be easily implemented by those skilled in the art from a known technology. Therefore, the hair beauty appliance according to the present invention can be easily used without adding a special means, whether 110V or 220V, and is very excellent in terms of stability since the heating plate is driven by a DC power source.

The voltage detector 102 detects the voltage of the external AC power supply to accommodate the external AC power of the pre-volt in the circuit so that the main control unit 107 can perform pulse width modulation control according to the voltage level of the external AC power supply. Transfer to control unit 107. The configuration of the voltage detector 102 includes a diode and a resistance element.

The decompression circuit section 103 functions to decompress the external AC power supply of the prevolt to the voltage required for the circuit and send it to the power supply section 104. The structure of this pressure reduction circuit part 103 includes a resistance element and a capacitor.

The power supply unit 104 includes a power supply stabilization circuit for stabilizing the power decompressed by the decompression circuit unit 103 to supply the stabilized power to the main control unit 107, the temperature control circuit unit 108, and the voltage amplification circuit unit 111. It serves to supply circuits. This regulator includes a regulator of the configuration of the power supply section 104. In this embodiment, a + 5V power supply is supplied to the circuit.

The heating plate control unit 105 receives power from the rectifier circuit unit 101 and controls the heat generation of the heating element 12 through the main control unit 107. The heat generating plate control section 105 includes photo active elements and transistors (TR, FET, SCR, TRIAC, etc.).

In addition, the voltage detector 102, the pressure reduction circuit unit 103, the heating plate control unit 105, and the power source stabilization circuit may be easily implemented by those skilled in the art from a known technology.

The main control unit 107 controls the heating temperature by performing pulse width modulation (PWM) control according to the voltage level of the external AC power source of the prevolt.

This main control unit 107 consists of a known microprocessor.

The temperature control circuit unit 108 initially sets the temperature value of the heating element 12 and controls the temperature of the heating element 12 by turning on / off power through pulse width modulation control of the main control unit 107. It plays a role. The configuration of the temperature control circuit section 108 can be easily implemented by those skilled in the art from known techniques.

The voltage amplifying circuit 111 functions to amplify a voltage value based on the temperature value detected by the temperature sensor 32 so that the main control unit 107 can recognize it. The configuration of the voltage amplifying circuit section 111 can be easily implemented by those skilled in the art from known techniques.

Subsequently, with reference to FIG. 3, the operation control of the hairdressing apparatus by the said PC part 29 is demonstrated in detail.

When the user turns on the power, the power stabilized by the power supply unit 104 is supplied to the main control unit 107 via the decompression circuit unit 103. The main control unit 107 detects and receives commercial AC power from the voltage detector 102, and drives the heating plate controller 105. At this time, the heating plate control unit 105 is the pulse width modulation control by the main control unit 107 according to the voltage magnitude of the commercial AC power source. The heat generating plate control unit 105 supplies the pulse width modulated power to the heat generating element 12, and the heat generating element 12 generates a predetermined heat at an initially set temperature. Then, the temperature sensor 32 installed on one side of the heating element 12 detects the temperature change of the heating plate.

The temperature change value detected by the temperature sensor 32 passes through the voltage amplification circuit unit 111 so that the main control unit 107 can recognize the main control unit 107. The control unit 105 is feedback-controlled by comparing the value received from the temperature value with the initial set temperature. The main control unit 107 then displays the current temperature and the operating state on the temperature display unit 28 and the operating state display unit 33, respectively.

The main control unit 107 turns off the heating plate control unit 105 when the temperature change exceeds the initial variation or when the rate of change of the temperature sensor 32 is not detected, and the temperature change rate is not detected. Alert the occurrence of an abnormality through (33).

In addition, the main control unit 107 controls the exothermic temperature of the hairdressing appliance through the pulse width modulation control according to the voltage magnitude. That is, when the temperature sensor 32 senses the temperature change of the heating element 12 and transmits the temperature value of the heating element 12 through the voltage amplifier circuit 111, the main control unit 107 transmits the temperature value. By comparing the temperature value initially set in the temperature control circuit unit 108 with the temperature value of the heating element 12, when the temperature value of the heating element 12 is equal to or lower than the initial temperature value, the pulse width modulation control is turned on. When the temperature is equal to or higher than the initial set temperature, the pulse width modulation control is turned off to feedback control the heating plate control unit 105 to always maintain the heating plate temperature at the set temperature.

The present invention is not limited to the above embodiments, various modifications and changes are possible by those skilled in the art, which are included in both the spirit and scope of the appended claims.

1 is a perspective view schematically showing an embodiment of a hairdressing appliance according to the present invention,

FIG. 2 is an exploded perspective view of the hairdressing apparatus shown in FIG. 1;

Figure 3 is a block diagram schematically showing a circuit configuration implemented in the PC portion of the hairdressing apparatus according to the present invention,

Figure 4 is a view showing the structure of the heat generating portion in the hair beauty appliance according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: first body 11: heat generating portion holder

12: heating element 13: upper bracket

14: upper silicon pad 15: hinge cover

16: cushion pad 17: silicone rubber

18: second body 19: lower silicon pad

20: lower bracket 21: right hinge

22: left hinge 23: spring

24: connector fixing body 25: cord right housing

26: cord left housing 27: connector spring

28: temperature display unit 29: PCB (Printed circuit board) unit

30: contact switch 31: external power line

32: temperature sensor 33: operation status display

34: rotary connector 35: coupling groove
52: heating unit 55: heating plate
56: insulator 57: leaf spring
100: Hughes

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101: rectifier circuit section 102: voltage detection section

103: pressure reduction circuit portion 104: power supply portion

105: heating plate control unit 107: main control unit

108: temperature control circuit section 111: voltage amplification circuit section

Claims (7)

In the hairdressing device is hinged to the first body and the second body, A heating unit 52 installed on the inner upper portions of the first and second bodies 10 and 18, respectively, and having a heating element 12, a temperature sensor 32, and a heating plate 55 to apply heat to the hair; A printed circuit board (PCB) unit 29 is installed at an inner lower portion of the second body 18 and provided with a contact switch 30, a temperature display unit 28, and an operation state display unit 33 on one surface thereof. Including but not limited to A rotary connector 34 is inserted into the front end side of the second body 18 having a cylindrical shape, and a connector fixing body 24 is coupled to a coupling groove 35 formed at an outer circumference of the rotary connector 34. , On the outside of the external power line 31 connected to the rotatable connector 34, cord housings 25 and 26 separated from left and right are inserted into one side of the second body 18 to facilitate assembly, thereby fixing the connector. Hairdressing apparatus, characterized in that coupled to the body (24). The method of claim 1, The PC portion 29 is A rectifier circuit unit 101 that receives external AC power through the fuse 100 and supplies DC power to the heating element 12, and is configured to rectify external AC power having a free voltage. ); A decompression circuit section 103 for decompressing external AC power to a voltage required for the circuit; A power supply unit 104 having a power stabilization circuit for stabilizing the power decompressed by the decompression circuit unit 103 to supply stabilized power to the circuit; A main control unit 107 which performs pulse width modulation control in accordance with the voltage magnitude of the external AC power supply; A voltage detector 102 for accommodating an external AC power source of the prevolt in a circuit and detecting a voltage of the external AC power source so as to perform pulse width modulation control according to the voltage magnitude of the external AC power source; A temperature control circuit 108 for initializing a temperature value of the heating element 12 and controlling a temperature of the heating element 12 by turning on / off a power through pulse width modulation control of the main control unit 107; A heating plate control unit 105 for controlling heat generation of the heating element 12 through the main control unit 107; And Voltage amplifying circuit 111 to amplify a voltage value based on the temperature value detected from the temperature sensor 32 so that the main control unit 107 can recognize. Hairdressing apparatus comprising a. The method of claim 2, The main control unit 107 transmits the temperature value of the heating element 12 through the voltage amplifying circuit unit 111 by sensing the temperature change of the heating element 12 by the temperature sensor 32, to the temperature control circuit unit 108. Compare the initial temperature and the temperature value of the heating element 12, When the temperature value of the heating element 12 is equal to or lower than the initially set temperature value, the pulse width modulation control is turned on, and when the temperature value is higher than the initially set temperature value, the pulse width modulation control is turned off to turn off the heating plate control part 105. Hairdressing apparatus, characterized in that the feedback control. The method of claim 1, The first and second body (10, 18) is a hair beauty device, characterized in that the silicone pad (14, 19) is attached to a portion of the outer surface. The method of claim 1, The heating plate 55 is a hairdressing device, characterized in that the temperature sensor 32 is inserted and fixed through the groove formed in the central portion in the longitudinal direction. The method according to any one of claims 1 to 3, The heating element (12) is a hair cosmetic device, characterized in that made of NTC (Negative Temperature Coefficient) (thermistor) or PTC (PTC) (thermistor). delete

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