KR200414811Y1 - apparatus for lighting in wardrobe or dress room - Google Patents

Abstract

The present invention is connected to the input rectification / filter unit for rectifying and filtering the external power input, the transformer for converting the DC voltage rectified in the input rectification / filter unit according to a predetermined winding ratio, and the output side of the transformer, An output rectification / filter unit for rectifying and filtering a DC voltage applied to the display device, a fixed voltage / current controller for detecting and providing a load amount of the output DC voltage, and a fixed voltage / current controller A power supply having a PWM modulator for controlling the amount of induced voltage of the transformer by adjusting a pulse width according to the load and illuminance value of the display device, an LED display including at least one LED, and entering a dressing room A detection unit that provides an AC detection signal and an AC detection signal when a human body to be detected is detected or an opening of the door of the cabinet is detected. A signal amplifying unit for AC amplifying a predetermined ratio, a rectifying unit for rectifying the DC detection signal from the AC detection signal provided from the detection unit, and a 5V DC voltage provided from the power supply unit, and charging the charged DC voltage with the amount of current. When the detection unit receives the detection signal from the detection unit, and converts and provides a display device having a driving unit for providing the amount of current charged by the illuminance control unit to each LED of the LED display unit, Not only does the lighting inside the cabinet turn on automatically, but it also helps to maintain optimal illumination.

Description

Lighting device for dresser / dressing room {apparatus for lighting in wardrobe or dress room}

1 is a block diagram illustrating a lighting device of a dresser / dressing room according to the present invention.

2a and 2b is a front sectional view of the lighting apparatus according to the present invention.

Figure 3 is a perspective view showing the lighting device of the dresser / dressing room according to the present invention,

Figure 4 is a cross-sectional view of another embodiment showing the lighting device of the dresser / dressing room according to the present invention.

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

100: power supply unit 110: power input unit

120: input rectifier / filter unit 130: transformer

140: output rectification / filter unit 150: DC output unit

160: PWM controller 170: fixed voltage / current controller

200: display device 210: DC input unit

220: detector 230: signal amplifier

240: rectifier 250: drive

260: illuminance control unit 270: LED display unit

The present invention relates to a lighting device of a dresser / dressing room, and more particularly, a lighting device is provided in a dresser or dressing room of a dressing room so that the user can accurately select or manage clothes with good color rendering and fast lighting when the user approaches. A lighting device for a dresser / dress room.

Today, people are increasingly seeking convenience due to the increase in income, and interest in personal fashion is increasing due to the increase in income and development of the clothing industry.

Generally, clothes are stored in a closet such as a dresser, or in a separate dressing room when a lot of clothes are owned.

Although the lighting device is provided in the wardrobe or the glass room as described above, the lighting device is mostly to be operated by the user or lit by opening and closing of the door.

Fluorescent lamps occupied most of these lighting devices, and halogen lamps were used to investigate partial areas.

However, since the lighting device is made of a fluorescent lamp, there is an inconvenience of waiting for the lighting device to be turned on because the instantaneous lighting does not occur after the power is supplied. There was no color rendering, and the user had to turn it on and off. In the case of halogen lamps, after the lamps were turned on, the lamps generated high heat to change the color and material of the halogen lamps and clothing, or there was a risk of fire.

In addition, in order to install the power line applied by fluorescent lamps and the power supply line of the magnetic sensor installed at the door of the furniture or dressing room, the power line must be formed between the doors of the furniture or the power line is formed between the furniture, thereby reducing productivity. There was a problem.

Therefore, the present invention was devised to solve the above problems, and it is equipped with a lighting device which is automatically operated in a dressing room or a dressing room for storing clothes, and also requires no maintenance and is easy to install by using a long life light source. The purpose is to provide a lighting device of the dresser / dressing room to maximize the user's convenience.

The lighting device of the cabinet / dressing room according to the present invention for achieving the above object, the input rectification / filter unit for rectifying and filtering the input external power, and the predetermined winding ratio of the DC voltage rectified by the input rectification / filter unit A transformer connected to the transformer, an output rectifier / filter unit connected to an output side of the transformer and rectifying and filtering the converted DC voltage to apply a 5V DC voltage to a display device, and a load amount of the output DC voltage PWM for controlling the amount of induced voltage of the transformer by controlling a pulse width according to a fixed voltage / current controller for detecting and providing a voltage, a load amount provided from the fixed voltage / current controller, and an illuminance value of the display device. A power supply having a modulator,

An LED display including at least one LED, a human body entering the dressing room, or a detection unit providing an AC detection signal when an opening of the door of the dresser is detected, and AC amplifying the AC detection signal at a predetermined ratio. A signal amplifying unit, a rectifying unit for rectifying a DC detection signal from an AC detection signal provided from the detection unit, and charging the 5V DC voltage provided from the power supply device, and providing the charged DC voltage by converting an amount of current. And a display unit including an illuminance control unit and a driving unit for supplying the amount of current charged by the illuminance control unit to each LED when the detection signal is received from the detection unit.

The PWM modulation unit according to the present invention, the first means for receiving the load of the DC voltage provided from the fixed voltage / current control unit, the second means for sensing the illumination illuminance value of the display device, and the load of the DC voltage and And third means for controlling the amount of induced voltage of the transformer according to the illumination illuminance value.

According to an aspect of the present invention, the driving unit includes: detection means for checking whether a detection signal is received from the detection unit, and supplying means for supplying current supplied by the illumination control unit to each LED of the LED display unit when the detection signal is received. It includes.

Lighting device of the dressing room / dressing room according to the present invention, a plurality of supporting members for holding and fixing the lighting device to the ceiling or the upper side of the dressing room, the PCB for which the power supply device and the display device is designed and installed And a cover member including a substrate, an inner space in which the power supply device and the display device are provided, and preventing the illumination glare and the light diffusion caused by the light emission of each of the LEDs.

When the overcurrent is input from an external power source, the power input unit according to the present invention breaks the power supply for the fuse provided therein.

Hereinafter, a lighting device of a dresser / dressing room according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating a lighting device of a dresser / dressing room according to the present invention.

Referring to Figure 1, the lighting device of the dresser / dressing room according to the present invention is largely composed of a power supply device 100 and a display device 200, the power supply device 100 is a power input unit 110, input rectification / Filter unit 120, transformer 130, output rectification / filter unit 140, direct current (DC) output unit 150, pulse frequency modulation (PWM) control unit 160 and fixed voltage / current control unit ( 170).

In addition, the display device 200 includes a DC input unit 210, a detector 220, a signal amplifier 230, a rectifier 240, a driver 250, an illuminance control 260, and a light emitting diode (LED) display. 270.

First, referring to each component of the power supply device 100, the power input unit 110 may be composed of a power input terminal and a resistor for a fuse, and is connected to an external power terminal to receive AC power of 85 to 265V. . When the overcurrent is input, the power input unit 110 cuts off the power. That is, when an overcurrent such as surge is input from an external power terminal, the fuse resistor is destroyed to cut off the power to protect the power supply device 100.

The input rectifier / filter unit 120 includes a bridge diode, a coil, a capacitor, and the like, rectifying and converting AC power input through the power input unit 110 into DC voltage, and filtering and removing ripple and noise of the DC voltage. Rectify at a stable DC voltage.

The transformer 130 is a voltage proportional to an intrinsic constant according to the ratio of the input side and the output side (secondary) winding ratio by inputting a DC voltage from the input rectifying / filter unit 120 to the input side (primary) winding. Convert it and output it to the output side. The input side of the transformer 130 is preferably designed such that a high voltage is input and a low voltage is output to the output side, and the output side winding is designed to output a fixed voltage and a fixed current.

The output rectifier / filter unit 140 is composed of a diode, a coil, and a capacitor, and rectifies the DC voltage output from the output side of the transformer 130, and outputs a stable DC voltage by filtering and removing ripple or noise. That is, the diode of the output rectifying / filter unit 140 rectifies the DC voltage, and the coil and the capacitor remove the ripple or noise of the DC voltage.

The DC output unit 150 outputs a DC voltage of 5V rectified and filtered by the output rectifying / filtering unit 140 to the display device.

The PWM modulator 160 controls the amount of voltage induced on the input side by varying the pulse width according to the DC voltage output from the output side of the transformer 130. That is, the PWM modulator 160 increases / decreases the amount of voltage induced on the input side by increasing / decreasing the pulse width according to the amount of DC voltage output from the transformer 130.

The PWM modulator 160 controls the amount of induced voltage on the input side of the transformer 130 according to the load amount of the DC voltage output from the DC output unit 150 and the illuminance value of the light emitted from the display device 200. In addition, the power supply device 100 may further include an illuminance sensor capable of detecting illuminance of the illumination, and may provide the illuminance value of the illumination to the PWM modulator 160.

The PWM modulator 160 may include first means for receiving a load of a DC voltage provided from the fixed voltage / current controller 170, second means for sensing an illumination illuminance value of the display device 200, and direct current. It may be configured as a third means for controlling the amount of induced voltage of the transformer 130 according to the load amount of the voltage and the illumination illuminance value.

The fixed voltage / current controller 170 prevents overvoltage and process flow of the DC voltage output from the DC output unit 150. The fixed voltage / current controller 170 may include a resistor, an OP AMP (op amp operational amplifier) and a coupler, and output DC By detecting the voltage through the resistor and OP AMP, and applying the DC voltage detected through the coupler to the output side of the transformer 130, the transformer 130 outputs the DC voltage, as well as the load of the DC voltage It is provided to the PWM modulator 160, so that the PWM modulator 160 can control the amount of induced voltage of the transformer 130.

As described above, the power supply device 100 provides a 5V DC voltage to the display device 200 and provides a stable DC voltage according to the load amount of the output DC voltage and the illumination illuminance value.

In addition, the DC input unit 210 of the display device 200 receives a 5V DC voltage from the power supply device 100 to drive the display device 200.

The detector 220 may be configured of a pyroelectric infrared sensor or other sensors for detecting a human body. When the human body is detected, the detector 220 may provide a detection signal. This detection signal has a low voltage value in mV.

In addition, when the lighting device is provided in the dressing room, the detecting unit 220 may be installed in a ceiling area on the central area of the dressing room to detect a human body. It is installed in the door area of the cabinet, and when the door is opened, a detection signal can be provided.

The signal amplifier 230 may be implemented as an AC amplifier circuit including an OP AMP, a resistor, and a capacitor, and amplifies a detection signal output from the detector 220 at a predetermined ratio. That is, the signal amplifier 230 amplifies a detection signal having a low voltage and converts it into a detection signal having a high voltage value.

The rectifier 240 includes a diode, a coil, and a capacitor. Since the gum signal amplified by the signal amplifier 230 is an AC voltage, the rectifier 240 rectifies and converts the DC signal into a DC detection signal to prevent an error of the display device 200.

The illuminance control unit 260 may be composed of a resistor and a capacitor, and charges the 5V DC voltage provided through the DC input unit 210 to the capacitor, converts the charged DC voltage amount into a current, and then displays the LED of the LED display unit 270. Control brightness. The illuminance controller 260 charges the input 5V DC voltage to the capacitor gradually from a low voltage to a high voltage through a resistor.

When a detection signal is received from the detector 220, the driver 250 receives the outputs of the rectifier 240 and the illuminance controller 260 to supply driving power to the LED display unit 270.

That is, the driving unit 250 may include detection means for confirming whether or not a detection signal is received from the detection unit 220, and when the detection signal is received, the driving unit 250 receives a current that is charged from the illuminance control unit 260 and provided to each of the LED display units 270. It may be configured as a supply means for supplying to the LED, the illumination illumination value of each LED is determined according to the amount of current provided from the illumination control unit 260.

The LED display unit 270 is composed of at least one LED, and each LED emits light according to a current applied through the driving unit 250 to provide lighting in the dressing room or inside the dresser.

2A and 2B are front sectional views of the lighting apparatus according to the present invention, and FIG. 3 is a perspective view showing the lighting apparatus of the dresser / dressing room according to the present invention.

As shown in FIGS. 2A and 2B to 3, the power supply device 100 and the display device 200 according to the present invention may be designed and installed on a printed circuit board (PCB) substrate 320 and may be illuminated. The device may be secured to the top of the ceiling or dresser of the dressing room via a plurality of support members 300, 300 ′.

In addition, the detection unit 220 may be installed in the central area when the lighting device is installed in the dressing room, and may be installed in the door area when the lighting device is installed in the dressing room.

In addition, due to the sudden illumination of each LED of the LED display unit 270, the cover member is made of a physical property such as acrylic or the like diffused material is added to prevent the user from glare or the emitted light ( It is preferable to further include 310).

As shown in FIG. 2B, the cover member 310 may be implemented to surround the lighting device, and the cover member 310 may be formed to sufficiently embed the PCB substrate 320 and the lighting device therein.

In addition, the lighting device as described above may be installed on the ceiling, but as shown in FIG. 4, the housing may be formed in a triangular shape and installed at a corner of a dresser or a dressing room.

Hereinafter, a driving method of the lighting device according to the present invention.

The power supply device 100 receives an AC power source of 85 to 265 V from the outside and rectifies the battery to a stable DC voltage.

The power supply device 100 applies a 5V DC voltage to the display device 200.

The power supply device 100 controls the fixed voltage / current to be output according to the load amount of the output DC voltage and the illumination illuminance value of the display device 200.

The display device 200 receives a 5V DC voltage from the power supply device 100 and charges it.

When the human body is detected, for example, when the user enters the dressing room and the human body is detected, or when the door of the cabinet is opened, the charged DC voltage is converted into an amount of current and provided to each LED to emit light.

In this case, the light emission illuminance of each LED of the display device 200 is determined according to the charged DC voltage, and the output DC voltage of the power supply device 100 is controlled according to the light emission illuminance.

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and changes are possible within the technical idea of the present invention, and such modifications and modifications belong to the appended utility model registration claims. will be.

As described above, according to the present invention, when the user enters the dressing room or the dresser opens the door, the lighting is automatically turned on, and the optimum illumination intensity can be maintained.

Claims (5)

An input rectifier / filter unit for rectifying and filtering an external power input; A transformer for converting the DC voltage rectified by the input rectifier / filter unit according to a predetermined turns ratio; An output rectifier / filter unit connected to an output side of the transformer and rectifying and filtering the converted DC voltage to apply a 5V DC voltage to a display device; A fixed voltage / current controller for detecting and providing a load of the output DC voltage; A power supply having a PWM modulator for controlling an amount of induced voltage of the transformer by controlling a pulse width according to a load provided from the fixed voltage / current controller and an illuminance value of the display device; An LED display including at least one LED, A detection unit that provides an AC detection signal when a human body entering the dressing room is detected or an opening of the door of the dresser is detected; A signal amplifier for AC amplifying the AC detection signal at a predetermined ratio; A rectifier for rectifying the DC detection signal from the AC detection signal provided from the detection unit; An illuminance control unit configured to charge the 5V DC voltage provided from the power supply device, and convert the current amount of the charged DC voltage into a current amount; And a display unit having a driving unit for supplying the amount of current charged by the illuminance control unit to each LED when the detection signal is received from the detection unit. The method of claim 1, wherein the PWM modulator, First means for receiving a load of direct current voltage provided from a fixed voltage / current control unit, Second means for sensing an illumination illuminance value of the display device; And a third means for controlling the induced voltage of the transformer according to the load amount of the DC voltage and the illumination illuminance value. The method of claim 1, wherein the driving unit, Detection means for confirming whether or not a detection signal is received from the detection unit; And a supply means for supplying a current provided by being charged from an illuminance control part to each LED when the detection signal is received. According to claim 1, The lighting device of the dresser / dressing room, A plurality of supporting members for fixing and supporting the lighting device on the ceiling or upper side of the dressing room; A PCB substrate on which the power supply and display device are designed and installed; And a cover member having an internal space provided with the power supply device and the display device, wherein the cover member prevents light glare and light spreading due to light emission of each of the LEDs. The method of claim 1, wherein the power input unit, The lighting device of the dresser / dress room which cuts off a power supply by breaking the resistance for fuse provided when an overcurrent is input from an external power supply.

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