KR101479175B1 - Elecreic range - Google Patents

Abstract

The present invention relates to an electric range comprising; a brand logo formed on the front side among four sides; a logo display unit formed on the back side of the brand logo; and a control unit which controls the logo display unit. Therefore, power input and operation state can be displayed by using the brand logo.

Description

Electric range {ELECREIC RANGE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electric range, and more particularly to an electric range in which a power source is turned on and an operating state is displayed using a brand logo.

BACKGROUND ART [0002] Electric ranges equipped with a highlight as a heat source are becoming popular, and an electric range equipped with a plurality of highlights is becoming increasingly popular.

In addition, when a high-frequency current flows through the working coil, a strong magnetic field is generated in the working coil, and an eddy current is generated in the cooking vessel in which the magnetic field is magnetically coupled to the working coil, thereby heating the cooking vessel to cook the food. The adopted electric range is gradually becoming popular.

Nowadays, there is a growing interest in a combined electric range with a working coil and highlight as a heat source.

However, due to the characteristics of the electric range, the key operation unit and the display unit are arranged on the upper surface. Therefore, when the user operates the key operation unit, it is easy to check the contents displayed on the display unit. However, when the electric range is out of position, it is not easy to check whether the power is turned on or the operation state through the display unit.

Also, in the electric range, only the brand logo was printed to notify the supplier of the product, so that the effect of the brand logo could not be maximized.

In order to solve the above-described problems, it is an object of the present invention to provide a brand logo on the front side and to provide an electric range for displaying the power-on state and the operating state by using the brand logo.

In order to achieve the above object, the electric range according to the present invention provides a brand logo provided on the front side of four sides, a logo display unit provided behind the brand logo, and a control unit for controlling the logo display unit.

The logo display unit includes a blue LED and a red LED. The controller drives the blue LED when power is supplied and the red LED when the heat source is activated.

Wherein the logo display unit further includes a blue dimming part for driving the blue LED, and when the power is turned on by the user, the controller controls the blue dimming part to drive the blue LED 100% And control the blue dimming part to drive the blue LED to a predetermined percentage after a predetermined time has elapsed.

Wherein the logo display unit further includes a red dimming part for driving the red LED, and when the heat source is operated by the user's operation, the controller controls the red dimming part to drive the red LED 100% If the remaining heat remains after the operation of the heat source, the red dimming part can be controlled to drive the red LED to a predetermined percentage.

The electric range includes a sidewall housing constituting a sidewall with respect to the four side surfaces of the sidewall housing with the sidewall of the sidewall housing being empty and a protruding region provided with the sidewall of the sidewall housing and provided with the brand logo A brand logo module may be included.

The brand logo module may include a light guide plate for receiving the light emitted from the blue LED and the red LED and uniformly distributing the light over the entire area of the logo brand.

The brand logo module may further include a reflective sheet on one side of the light guide plate to reflect the light escaping from the surface of the light guide plate back to the light guide plate.

The blue dimming part or the red dimming part may comprise a transistor and a resistor, respectively, and the control part may enable dimming control by driving the transistor in a PWM manner.

Wherein the logo display unit includes a plurality of blue LEDs or a plurality of red LEDs, and the blue dimming unit or the red dimming unit includes a plurality of resistors having different resistance values and a plurality of transistors connected to the respective resistors, It is possible to control the dimming by turning on and off the transistors of the transistor Tr1.

The dimming control can be enabled by PWM control only for the transistors whose resistance values are different by at least three times and which are connected to resistors having a small resistance value among the plurality of resistance values.

With the above-described configuration, the present invention can display the power-on state and the operation state using the brand logo.

In addition, the present invention can display various states by providing a blue LED and a red LED and a dimming part for each.

In addition, the present invention can efficiently utilize a space by supplying light to a brand logo using a light guide plate.

1 is a view showing an electric range according to an embodiment of the present invention.
Fig. 2 is a block diagram of the electric range shown in Fig. 1. Fig.
FIG. 3 is a view showing the logo display unit in detail in FIG.
FIGS. 4A and 4B are diagrams showing examples of circuit implementation of the blue LED and the blue dimming part shown in FIG.
FIG. 5 is a perspective view of the electric range shown in FIG. 1. FIG.

Hereinafter, preferred embodiments of the electric range according to the present invention will be described with reference to the accompanying drawings. In the following description of the present invention, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the technical scope of the present invention. Will be.

1 is a view showing an electric range according to an embodiment of the present invention.

As shown in Fig. 1, the brand logo "CUCHEN" is disposed on the front face of the four sides of the electric range.

Fig. 2 is a block diagram of the electric range shown in Fig. 1. Fig.

2, the electric range includes a first highlight 210, a first highlight driver 212, a second highlight 220, a second highlight driver 222, an induction heater 230, An operation unit 250, a temperature sensor unit 260, a brand logo 270, a logo display unit 272, and a control unit 280.

The first highlight 210 and the second highlight 220 used as a heat source are heating elements made of electrical resistance elements. For convenience of explanation, the maximum power consumption of the first highlight 210 is set to 1.1 KW, and the maximum power consumption of the second highlight 220 is set to 2.1 KW. The second highlight 220 may include a second highlight-A 220-A and a second highlight-B 220-B, and the maximum power consumption of the second highlight-A 220- 1 KW, and the maximum power consumption of the second highlight-B 220-B may be set to 1.1 KW. The second highlight 220 may be used as a roster and the second highlight-A 220-A may be used as a roster if the second highlight-A 220-A and the second highlight-B 220- And the second highlight-B 220-B may be disposed outside the second highlight-A 220-A.

The first highlight driving unit 212 is configured to supply driving power to the first highlight 210 and may include a relay (not shown) and a switching transistor (not shown).

The second highlight driver 222 is configured to supply driving power to the second highlight 220, and may include a relay (not shown) and a switching transistor (not shown). The second highlight driving unit 222 may include a relay (not shown) and a switching transistor (not shown) when the second highlight 220 is composed of the second highlight-A 220-A and the second highlight B- (Not shown).

The first highlight driver 210 and the second highlight driver 220 may be turned on or off according to a highlight control signal having a plurality of steps of the controller 280. The first highlight driver 210 and the second highlight driver 220, Can be driven to have a plurality of power consumption steps.

The induction heater 230 used as a heat source can operate by setting the power consumption of the first frequency power stage to 1.2 KW and the power consumption of the second frequency power stage to 1.8 KW.

The induction heater driving unit 232 is configured to supply driving power to the induction heater 230 and includes a power switching device (not shown) composed of IGBTs and a switching driving circuit (not shown) for turning on / off the power switching device ).

The input operation unit 240 is for the user to operate the operation of the electric range and allows the user to input the consumption of each of the first highlight 210, the second highlight 220 and the induction heater 230 through the input operation unit 240 You can enter the power level.

The operation display unit 250 may display power consumption levels of the first highlight 210, the second highlight 220, and the induction heater 230, which are input from the input operation unit 240.

The temperature sensor 260 senses the operating temperature or the residual heat of the first highlight 210 or the second highlight 220 and outputs the detected temperature to the controller 280. [

The brand logo 270 is provided on the front side of the four sides, as shown in Fig.

The logo display portion 272 is provided behind the brand logo 270 to illuminate the brand logo 270. The logo display portion 272 may include an LED.

The controller 280 controls the first highlight driver 210 and the second highlight driver 220 to output the first highlight control signal and the second highlight control signal to the first highlight driver 210 and the second highlight driver 220, And outputs it to the second highlight driver 222, respectively. The controller 280 also outputs an induction control signal to the induction heater driver 232 when the operation of the induction heater 230 is input.

The control unit 280 controls the operation display unit 250 to display the respective operation states according to the operation of the input operation unit 240 and displays the logo display unit 272 to indicate that the electric range is in operation .

FIG. 3 is a view showing the logo display unit in detail in FIG.

The logo display section includes a blue LED 310, a blue dimming part 320, a red LED 340 and a red dimming part 340.

The blue LED 310 is driven when the power button (not shown) of the input operation unit 240 is turned on and the blue dimming part 320 is for dimming control of the blue LED 310.

The red LED 330 is driven when a heat source, that is, an operation for the first highlight 210, the second highlight 220, or the induction heater 230 is input in the input operation unit 240, and the red dimming unit 340 And controls the dimming of the red LED 320. FIG.

The control unit 280 controls the blue dimming part 320 to drive the blue LED 310 to 100% when the power button is turned on by the user and the power is turned on. After a predetermined time, for example, 2 seconds The blue dimming part 320 may be controlled to drive the blue LED 310 to a predetermined percentage, e.g., 30%.

The controller 280 controls the red dimming part 340 to drive the red LED 330 to 100% when the heat source is operated by the user's operation, and when the remaining heat is left after the operation of the heat source, the red LED 330 May be controlled to drive the red dimming part 340 to a predetermined percentage.

FIGS. 4A and 4B are diagrams showing examples of circuit implementation of the blue LED and the blue dimming part shown in FIG.

In FIG. 4A, the blue dimming part 320 includes a transistor 410 and a resistor 412. In this case, the controller 280 enables the dimming control by driving the transistor 410 by the PWM method.

The blue dimming part 320 includes a plurality of resistors 422 and 432 having different resistance values and a plurality of transistors 420 and 430 connected to the respective resistors 422 and 432 ). When the transistor 420 is turned on by the plurality of resistors 422 and 432 having different resistance values, the current flowing through the resistor 422 is 50 mA. When the transistor 430 is turned on, The flowing current can be 10mA.

The control unit 280 enables dimming control by controlling the plurality of transistors 420 and 430 to be turned on and off respectively and only for the transistor 420 connected to the resistor 422 having a small resistance value among the plurality of resistance values, The dimming control can be further subdivided.

FIG. 5 is a perspective view of the electric range shown in FIG. 1. FIG.

As shown in FIG. 5, the electric range includes a side wall housing 510, a brand logo module 520.

The sidewall housing 510 constitutes the sidewall with respect to the four sides while the area 512 of the brand logo remains empty. The brand logo module 520 has a protruding area provided with a brand logo 270 that fits in the area 512 of the empty brand logo of the side wall housing 510.

The brand logo module 520 may include a logo plate 530, a light guide plate 540, a reflective sheet 550, a blue LED 310, a red LED 330, and a logo PCB 560.

The logo plate 530 has a protruding area 532 with a brand logo that fits in the area 512 of the empty brand logo of the side wall housing 510. A light guide plate 540 for receiving the light emitted from the blue LED 310 and the red LED 330 and uniformly distributing the light over the entire area of the logo brand 270 is provided behind the logo plate 530.

A reflective sheet 550 may be provided behind the light guide plate 540 to reflect the light exiting from the surface of the light guide plate 540 again and to return the light to the light guide plate 540.

The blue LED 310 and the red LED 330 may be provided on both sides of the light guide plate 540, respectively. A blue LED 310 and a red LED 330 may be provided on one side of the light guide plate 540 and a blue LED 310 and a red LED 330 may be provided on the other side.

In the logo PCB 560, circuit elements of a blue dimming part 320 or a red dimming part 340 are arranged.

The embodiments of the present invention described above are merely illustrative of the technical idea of the present invention, and the scope of protection of the present invention should be interpreted according to the claims. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It should be interpreted that it is included in the scope of right.

210: first highlight 212: first highlight driver
220: second highlight 222: second highlight driver
230: Induction heater 232: Induction heater driving part
240: Input control unit 250: Operation display unit
260: Temperature sensor part 270: Brand logo
272: Logo display part 280: Control part
310: blue LED 320: blue dimming part
330: Red LED 340: Red Dimming Part
510: side wall housing 520: brand logo module
530: Logo plate 540: Light guide plate
550: reflective sheet 560: logo PCB

Claims (10)

Brand logo on the front of the four sides,
A logo display unit provided behind the brand logo,
And a control unit for controlling the logo display unit,
Wherein the logo display portion includes a blue LED and a red LED,
The controller drives the blue LED when power is supplied, displays a red LED when the heat source is activated,
Wherein the logo display unit further comprises a blue dimming part for driving the blue LED,
The controller controls the blue dimming part to drive the blue LED 100% when the power button is turned on by the user and the blue LED is driven to a predetermined percentage after a predetermined time elapses Controls the blue dimming part,
Wherein the logo display unit further includes a red dimming part for driving the red LED,
The controller controls the red dimming part to drive the red LED 100% when the heat source is operated by a user's operation, and drives the red LED to a predetermined percentage when the remaining heat remains after the operation of the heat source Controls the red dimming part,
Wherein the logo display unit includes a plurality of blue LEDs and a plurality of red LEDs,
The blue dimming part and the red dimming part each comprise a plurality of resistors having different resistance values and a plurality of transistors connected to the respective resistors,
Wherein the control unit enables dimming control by controlling on and off of the plurality of transistors, respectively. delete delete delete The method according to claim 1,
A sidewall housing constituting sidewalls with respect to the four sides with the area of the brand logo being empty,
And a brand logo module having a protruding area provided with the brand logo fitted in an area of the brand logo that is empty in the side wall housing. 6. The method of claim 5,
Wherein the brand logo module further comprises a light guide plate for receiving the light emitted from the blue LED and the red LED and uniformly distributing the light over the entire area of the logo brand. The method according to claim 6,
Wherein the brand logo module further comprises a reflection sheet on one side of the light guide plate to reflect the light exiting the surface of the light guide plate back to the light guide plate. delete delete The method according to claim 1,
The plurality of resistance values differ by at least three times,
Wherein the dimming control is enabled by controlling only the transistors connected to the resistors having a small resistance value among the plurality of resistance values by the PWM method.

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