KR200408910Y1 - wireless hair styler - Google Patents

Abstract

The present invention relates to a wireless hair styler having a sufficient heating time and heat efficiency using a heating element using DLC (Diamond-Like-Carbon) thin film having high thermal conductivity. Body, consisting of upper and lower; Battery pack mounted inside the body; Corresponding to each other on the inner surface of the body is configured to include each of the upper heating plate, the lower heating plate to generate heat by the power supplied from the battery pack, The upper heating plate and the lower heating plate is composed of a first layer having a heater therein and a second layer including a DLC coating layer formed on a surface of the first layer.

Charging Cradle, Battery Pack, Hair Styler, Heating Plate, DLC, Preheat Mode

Description

Wireless hair styler {wireless hair styler}

1 is a block diagram of a general hair styler

2a to 2g is a configuration diagram showing an embodiment of a wireless hair styler according to the present invention

Figure 3 is a block diagram showing an embodiment of the charging cradle of the wireless hair styler according to the present invention

4 is a configuration of the charging protection circuit of the wireless hair styler according to the present invention

Explanation of symbols for the main parts of the drawings

21. Upper Body 22. Lower Body

23. Upper heating plate 24. Lower heating plate

25. Top DLC Coating Layer 26. Bottom DLC Coating Layer

27. Upper battery pack 28. Lower battery pack

29. Battery Pack 30. Control Panel

31. Operation lamp 32. Temperature control switch

33. Power ON / OFF Switch 35.36. First charging terminal

37. Convection Barrier 38. Total Internal Reflection Coating

39. Insulation Filler 41.42. 1st and 2nd charging part terminal

43. Charging cradle

The present invention relates to a hair styler and to a wireless hair styler having a sufficient heating time and thermal efficiency by having a heat generating element using a high thermal conductivity DLC (Diamond-Like-Carbon) thin film.

In general, the hair styler is a beauty tool for showing a variety of women's hair styles to fully exhibit the aesthetics (美感).

Usually, the heater is built in to form hair such as straight perm, wave, and rolling by heat generation using AC power.

Hereinafter, a hair styler of the related art will be described with reference to the accompanying drawings.

1 is a block diagram of a general hair styler.

The configuration of FIG. 1 can be broadly divided into a main body 10, a control unit 17 connected to the main body 10 and having a driving circuit, and a power plug 21 for supplying power to the main body 10. .

The main body 10 is composed of an upper plate 11 and a lower plate 16 hinged to one side thereof, and a heat generating plate 13 having heaters 12 and 15 built in the upper plate 11 and the lower plate 16, respectively ( 14).

The control unit 17 is composed of a power ON / OFF switch 20, a temperature control switch 19, a drive display lamp 18, etc., by receiving a commercial power therein the heaters 12, 15 A driving circuit for controlling the driving of the housing is accommodated.

Such a hair styler can be used by setting the user's desired temperature by operating the temperature control switch 19, which is very useful. In addition, the heating plates 13 and 14 may be configured to have a curved shape as well as a flat plate to straighten the hair or give a curl to the hair.

However, such a prior art hair styler uses an AC power source and can be used only in a fixed place where the power source is provided. Therefore, there is inconvenience of moving and carrying.

In addition, even when used in a fixed location, work efficiency is lowered due to entanglement of the cord for supplying power.

In the case of a hair styler using a gas cartridge, it is possible to secure ease of movement and operation, but there is a risk of difficulty in temperature control, hair damage, gas leakage, and the like, and thus it is not widely used.

Meanwhile, various methods for implementing a wireless hair styler have been attempted, but due to problems such as difficulty in securing thermal efficiency due to the limitation of the heating member and limitation of the battery capacity, they have not been put to practical use.

The present invention is to solve the problem of the prior art hair styler, the heating plate of the hair styler having a heat generating element using a high thermal conductivity DLC (Diamond-Like-Carbon) thin film having a sufficient use time and thermal efficiency The purpose is to provide a cordless hair styler.

It is also an object of the present invention to provide a wireless hair styler which does not have a power cord for supplying power, and which improves the efficiency of moving, carrying and working by using a rechargeable battery.

Wireless hair styler according to the present invention for achieving the above object is a hair styler for shaping the hair by heat, the body consisting of upper and lower parts rotated at an angle with a central axis hinged; A battery pack mounted therein; the upper heating plate and the lower heating plate each configured to correspond to each other on the inner surface of the body and generate heat by the power supplied from the battery pack, and the upper heating plate and the lower heating plate have a heater therein. Characterized in that consisting of a second layer consisting of a DLC coating layer formed on the surface of the first layer and the first layer containing the first.

Here, the first layer constituting the upper heating plate, the lower heating plate is characterized in that the aluminum or aluminum compound, using the aluminum as a base layer serving as a wiring layer to the first layer, the role of the heating layer in a direct coating method on aluminum It is preferable to form a metal coating layer having a two kinds of metal structure.

And the first layer of the two-metal thermocouple structure is characterized in that the combined use of a temperature sensor for detecting the heater and the heating temperature for heat generation.

And it is characterized in that the convection blocking wall is installed in the body close to the heating element in order to prevent the heat loss caused by the convection in the upper and lower body interior space in which the heating plate is mounted.

In addition, it is preferable to form an inner total reflection coating layer in order to prevent leakage of radiant heat inside the first layer of the heating plate.

And it is characterized in that the insulating filler is filled in the inner space of the upper and lower bodies.

And the battery pack is characterized in that it is built only in the upper body or only in the lower body.

And the body is characterized in that the cap is configured for mounting and replacement of the battery pack.

And the battery pack is characterized in that the lithium-ion battery is configured in the form of a cell array.

And either or both of the upper and lower body, characterized in that the first and second charging terminals for battery charging is configured to be exposed to the outside.

The first and second charging terminals may be in contact with the first and second charging unit terminals of the charger unit when the first and second charging terminals are inserted into the charging cradle in which a part of the upper and lower bodies are inserted.

In the preheating mode inserted into the charging cradle, heat is generated by the input power of the charger unit rather than the power of the battery.

Other objects, features and advantages of the present invention will become apparent from the following detailed description of the embodiments.

Preferred embodiments of the wireless hair styler according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2a to Figure 2g is a block diagram showing an embodiment of a wireless hair styler according to the present invention, Figure 3 is a block diagram showing an embodiment of the charging cradle of the wireless hair styler according to the present invention.

The present invention uses a high thermal conductivity material for the heat generating member in order to ensure high thermal efficiency and sufficient battery life. This is to realize a practical wireless hair styler by reducing battery consumption.

That is, the methods that have been attempted to implement the wireless hair styler have been difficult to use due to problems such as difficulty in securing thermal efficiency and limitation of battery capacity due to the limitation of the heating member, but the wireless hair styler of the present invention has a high thermal conductivity. This solves this problem by increasing the thermal efficiency by configuring the heating plate using.

In addition, in order to increase thermal efficiency, it is possible to have a faithful thermal insulation structure by forming a convection barrier wall, a total internal reflection coating layer, and an insulation filler.

The present invention forms a second layer by coating a DLC thin film on the first layer and the first layer using aluminum or an aluminum compound as the material of the heating plate.

Here, the first layer serving as the heating heater is used as a base layer serving as a wiring, and a metal coating layer serving as the heating layer by forming a direct coating on the aluminum to have a two-type metal structure.

DLC (Diamond-Like-Carbon) thin film has a high hardness of 2500 ~ 5000Hv and thermal conductivity is about 5 times better than copper.

In particular, DLC thin films are useful because they have good frictional properties, and are useful as wear-resistant materials and have wide band gaps.

The present invention constitutes a heating plate using such a material, and uses a lithium-ion battery in the form of a cell array having a high volumetric energy density and a high weight energy density as a power source as one of the secondary batteries capable of repeated charging use.

A lithium-ion battery is composed of a positive electrode, a negative electrode, an electrolyte, a separator, and the like. LiCoO 2 is used for the positive electrode, and carbon such as graphite is mainly used for the negative electrode. These electrode materials have a structure in which ions of lithium (LI +, Li-Ion) can be reversibly inserted into the inside and escape again. In other words, lithium in LiCoO₂ escapes and moves along the electrolyte and enters carbon, which is a charge in a lithium-ion battery, and movement in the opposite direction corresponds to discharge.

Lithium-ion battery can shorten its lifespan if it exceeds the set charging voltage during charging.It uses the constant current-constant voltage charging method, and is equipped with a protection circuit to prevent the charger from operating normally. Apply in the state of Battery Pack.

The wireless hair styler according to the present invention is largely composed of a main body, a battery pack mounting unit configured inside the main body, and a heating plate.

2A is a battery pack mounting area divided into an upper body 21 and a lower body 22 constituting the main body, FIG. 2B is a battery pack mounting area configured on the upper body 21, Figure 2C is a battery It is shown that the pack mounting area is configured in the lower body (22).

2A to 2C, an elastic spring is used as a member for making the upper body and the lower body elastic to the outside. However, in the following description, there is no force applied from the outside by the elastic hinge having the elasticity to the outside. In this case, the upper body and the lower body will be described as having a restoring force that is elastically spaced at an angle.

First, as shown in Figure 2a, the main body is elastically outward from each other and hinged to each other, the upper body 21 and the lower body 22 and the upper body 21 to rotate a certain angle around the hinged axis with respect to the central axis, An upper surface of the upper body pack 27 and the lower body 22 corresponding to each other, the upper battery pack 27 formed in one region, the lower battery pack 28 formed in one region in the lower body 22 The upper heating plate 23 and the lower heating plate 24 which are respectively formed in the heat generating for styling the hair, and each upper portion formed to increase the thermal conductivity on the surface of each of the upper heating plate 23 and the lower heating plate 24 And comprises a DLC coating layer 25 and a lower DLC coating layer 26.

Here, the upper heating plate 23 and the lower heating plate 24 includes a heater therein, and the forming material uses aluminum or an aluminum compound in consideration of thermal conductivity.

And the outer surface of the body is composed of the upper heating plate 23 and the lower heating plate 24 is formed to have a bend is configured to enable the wave shaping of the hair rather than a straight perm.

Although not shown in the drawings, a cap for opening the battery mounting region is configured in one region of the upper body 21 and the lower body 22 to insert or replace the battery pack.

The cap construction region may be any region of the upper body 21 and the lower body 22 in which the upper heating plate 23 and the lower heating plate 24 are not formed. However, it is preferable to form on the inner surface rather than the outer surface, the side of the body for aesthetics.

The formation of the DLC thin film coated on the surfaces of the upper heating plate 23 and the lower heating plate 24 is performed by various plasmas such as a microwave plasma method, an RF plasma method, an arc plasma method, and a DC plasma method. It is formed by using any one of a method using, or a gas combustion method, an ion sputtering method, or the like.

The battery pack mounting area divided into the upper body 21 and the lower body 22 is configured to secure a sufficient battery mounting area and a slim design of the body, but the upper battery pack 27 and the lower part are not shown. The battery pack 28 is electrically connected.

As shown in FIG. 2B, the battery pack 29 is mounted on the upper body 21, or the battery pack 29 is mounted on the lower body 22 in consideration of the position of the control panel and the position of the driving circuit as shown in FIG. 2C. It is also possible to mount on.

And Figure 2d shows a planar configuration of the upper body of the wireless hair styler according to the present invention, the upper body is configured with a control panel 30 for controlling the device during operation.

The control panel 30 includes an operation lamp 31, a temperature control switch 32, and a power on / off switch 33 for indicating whether to operate and a preheating state.

Of course, the position, form, and configuration means of the control panel may be different for convenience of operation and diversification of functions.

For example, the operation lamp may be configured as an luminescent diode (LED) or a liquid crystal display (LCD) panel to provide more detailed information.

35 and 36 in FIGS. 2D and 2E show first and second charging terminals, respectively, and terminals for charging when the battery pack is divided into upper and lower bodies as shown in FIG. 2A. It is shown.

Of course, when the battery pack is configured only on the upper body or the lower body, as shown in FIGS. 2B and 2C, the first and second charging terminals may also be configured in one region of the body.

Such a wireless hair styler according to the present invention is not on / off or dropper current to minimize the loss of the internal resistance of the battery during the circuit control operation for heat generation, energy in the inductor (e = 1/2 LI ² ) Accumulate and discharge continuously when off, and the instantaneous current is very small, so that the heat loss is small (P = I ² R). ) To control the current supplied by SYNC BUCK PWM method which improves efficiency.

Referring to the detailed configuration of the heating plate of the wireless hair styler according to the present invention having such a configuration as follows.

FIG. 2F is an enlarged cross-sectional view of an upper body part corresponding to part (a) or part (a) of FIG. 2C.

Such a structure is intended to extend the use time of the battery by increasing the thermal efficiency by strengthening the heat insulating insulating structure of the heating plate.

First, the present invention forms a second layer by coating a DLC thin film on the first layer and the first layer using aluminum or an aluminum compound as the material of the heating plate.

Here, the first layer serving as the heating heater is used as a base layer serving as a wiring, and a metal coating layer serving as the heating layer by forming a direct coating on the aluminum to have a two-type metal structure.

This direct coating structure is intended to minimize heat capacity and maximize thermal efficiency.

In addition, two types of metal thermocouples can be used as both a heater and a temperature sensor, reducing the temperature detection error.Increasing the temperature rise rate by the constant temperature coefficient heater structure enables rapid heating during initial heating. It is possible to ensure the use temperature.

In addition, as shown in FIG. 2F, the convection blocking wall 37 is disposed inside the body close to the heating element in order to prevent heat loss from occurring due to convection in the upper and lower body 21 internal spaces in which the heating plate is mounted. Install it.

The inner total reflection coating layer 38 is formed on the inside of the first layer of the heating plate to become the base layer to prevent leakage of radiant heat.

On the basis of such a structure in FIG. 2F, it is also possible to fill a heat insulating filler for enhancing the heat insulation effect as in FIG. 2G.

Figure 3 shows a charging cradle when the wireless hair styler of the present invention is configured as in Figure 2a.

The charging cradle 43 is used for temporarily mounting the wireless hair styler during operation, or for preheating or charging the battery pack to maintain the heating plate above a predetermined temperature for the operation.

It is desirable to have an inclined form basically because you have to put the wireless hair styler frequently during operation.

The entire body of the wireless hair styler is not inserted into the entire body of the wireless hair styler so that the first and second charging terminals configured in the body are correctly contacted with the first and second charging unit terminals 41 and 42 by the elastic force of the hinge. It is preferable to have a structure in which is inserted.

Of course, according to the shape of the body to be the battery mounting area may be configured in other forms.

One embodiment of a charge protection circuit for charging the wireless hair styler of the present invention will be described.

4 is a configuration of the charge protection circuit of the wireless hair styler according to the present invention.

In order to control overcharging, overdischarging, and cell balance of the battery cells configured in the form of a cell array in the battery pack 57, the charge protection circuit unit may supply a charging power to the battery cell array 58 and a battery input unit 51. It is configured inside the battery pack 57 between the arrays 58.

A DC / DC switching unit 52 for converting the power inputted through the power input unit 51 and the voltage and current according to the battery charging power, and outputting the current and the charging current of the battery cell array 58. The current detector 54 detects the voltage 53, the voltage detector 56 detects the voltage of the battery cell array 58, and the current and voltage of the battery from the current detector 54 and the voltage detector 56. The controller receives the information and controls to perform constant current charging at a predetermined constant current value until the battery voltage reaches a predetermined cell voltage. When the battery voltage reaches 4.2V / cell, the output voltage of the charger pack 57 is provided. It is configured to include a charge control unit 55 for controlling the constant voltage charge constant to 4.2V / cell voltage.

The connector 59 and 60 are provided between the power input unit 51 and the battery pack 57.

The charger unit according to the present invention serves as a mount in case of preheating for work, charging of the battery, work or not charging.

First, when the wireless hair styler is placed in the charging cradle during operation (power ON / OFF switch ON), a preheating step is performed to maintain an appropriate heating temperature, and switching of the DC / DC switching unit 52 is performed by (52a). The terminal is not preheated using the power of the battery, but the power of the power input unit is directly supplied to the heating unit to perform the preheating step.

This is to ensure sufficient battery life while the user is working with the wireless hair styler.

Of course, the battery charging mode and the preheating mode are frequently converted and efficiently performed by the control of the charging control unit 55, and overcharge, overdischarge, and cell balance are controlled during the charging operation.

In the charging mode, the DC / DC switching unit 52 switches to the terminal 52b to perform battery charging.

The wireless hair styler according to the present invention uses a lithium-ion battery having the highest volume energy density and weight energy density, and provides a power supply structure of a heating plate having sufficient thermal efficiency and use time even by a power supply using the battery. Provides cordless wireless.

In addition, by providing a charging cradle that acts as a preheating for the operation, charging the battery, the mounting of the work or not charging to increase the efficiency of the work.

From the above description, those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims.

The wireless hair styler according to the present invention described above has the following effects.

First, a heating plate is formed using a DLC thin film having high thermal conductivity to improve energy use efficiency, thereby implementing a wireless hair styler using a battery.

This has the effect of increasing the work efficiency and the competitiveness of the product.

Second, there is an effect of enabling the commercialization of the wireless hair styler by using a lithium-ion battery.

Third, the efficiency of the work is improved by providing a charging cradle that serves as a preheating for the work, charging of the battery, the mounting of the work or not charging.

Fourth, having a substantial thermal insulation structure can increase the thermal efficiency.

Claims (9)

In the hair styler shaping the hair by fever, A body consisting of upper and lower parts pivoted at an angle with a hinge coupled portion as a central axis; A battery pack mounted inside the body; Comprising each of the inner surface of the body is configured to include an upper heating plate, the lower heating plate to generate heat by the power supplied from the battery pack, The upper heating plate, the lower heating plate is a wireless hair styler comprising a second layer consisting of a first layer and a DLC coating layer formed on the surface of the first layer incorporating a heater therein. The method of claim 1, wherein the first layer, A wireless hair styler using aluminum as a base layer serving as a wiring, and forming a metal coating layer serving as a heating layer by directly coating the aluminum to have two kinds of metal structures. 3. The wireless hair styler of claim 2, wherein the first layer of the two-metal thermocouple structure is combined with a heater for heat generation and a temperature sensor for detecting the heat generation temperature. The wireless hair styler of claim 1, wherein a convection blocking wall is installed inside the body close to the heating element to prevent heat loss caused by convection in the upper and lower body interior spaces in which the heating plate is mounted. The wireless hair styler of claim 1, wherein an inner total reflection coating layer is formed on the inner side of the heat generating plate to prevent leakage of radiant heat. The wireless hair styler of claim 1, wherein the upper and lower body inner spaces are filled with an insulating filler. The wireless hair styler of claim 1, wherein a cap is provided on the body for mounting and replacing the battery pack. The hair styler of claim 1, wherein the battery pack is a lithium-ion battery configured in the form of a cell array. The wireless hair styler of claim 1, wherein the first and second charging terminals for battery charging are exposed to all or one of the upper and lower bodies.

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