KR20100129851A - Apparatus and method led control on car - Google Patents

Apparatus and method led control on car Download PDF

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Publication number
KR20100129851A
KR20100129851A KR1020090048414A KR20090048414A KR20100129851A KR 20100129851 A KR20100129851 A KR 20100129851A KR 1020090048414 A KR1020090048414 A KR 1020090048414A KR 20090048414 A KR20090048414 A KR 20090048414A KR 20100129851 A KR20100129851 A KR 20100129851A
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KR
South Korea
Prior art keywords
led
color
temperature
mode
control
Prior art date
Application number
KR1020090048414A
Other languages
Korean (ko)
Inventor
김원택
Original Assignee
주식회사 현대오토넷
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 현대오토넷 filed Critical 주식회사 현대오토넷
Priority to KR1020090048414A priority Critical patent/KR20100129851A/en
Publication of KR20100129851A publication Critical patent/KR20100129851A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/80—Circuits; Control arrangements
    • B60Q3/82—Switches specially adapted for vehicle interior lighting, e.g. switching by tilting the lens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/302—Temperature sensors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Abstract

The present invention discloses a lighting control device and method for a vehicle. According to an aspect of the present invention, there is provided a vehicle lighting control device including: at least one LED provided in lighting products of a vehicle interior and emitting light in at least one color, respectively; A switch unit configured to receive a selection of each control mode for selectively controlling each LED; An infrared sensor for sensing a temperature of the vehicle interior; And a controller for generating a pulse width modulation (PWM) signal according to each of the selected control modes to control the color of each LED.

Description

Vehicle lighting control device and method {Apparatus and Method LED Control on Car}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to vehicle lighting control, and more particularly, to a vehicle lighting control apparatus and method capable of controlling lighting in various ways according to a set mode.

Conventional lighting products have been used for a simple purpose to increase the visibility of the surrounding environment when it is dark, but in recent years, lighting is used for various purposes such as design effects, indoor atmosphere composition, advertising effects in addition to visibility.

Accordingly, LEDs (Light Emitting Diodes) capable of producing various colors are also applied to vehicle lighting products, and control methods thereof are also diversifying.

In order to solve the above problems, an object of the present invention is to provide a vehicle lighting control device and method that can control the lighting of the vehicle interior by using a pulse width modulation (PWM) signal according to the control mode.

Another object of the present invention is to provide a vehicle lighting control apparatus and method that can control the vehicle interior lighting in various forms according to the room temperature / user body temperature and user selection.

According to an aspect of the present invention, there is provided a vehicle lighting control device including: at least one LED provided in lighting products of a vehicle interior and emitting light in at least one color, respectively; A switch unit configured to receive a selection of each control mode for selectively controlling each LED; An infrared sensor for sensing a temperature of the vehicle interior; And a controller for generating a pulse width modulation (PWM) signal according to each of the selected control modes to control the color of each LED.

Vehicle lighting control apparatus according to another aspect of the present invention, at least one LED; An input unit for selecting an LED to control from the at least one LED and receiving a control mode of the selected LED; A microcomputer outputting a PWM signal to control the selected LED in consideration of the input control mode; And an output unit configured to turn on / off the selected LED using the PWM signal.

According to still another aspect of the present invention, there is provided a vehicle lighting control method comprising: selecting a control mode for controlling a color of each LED provided in each lighting product in a vehicle interior to emit at least three colors; And controlling the color of each LED by using a pulse width modulation (PWM) signal according to the selected mode.

According to the present invention, it is possible to control the lighting applied to the lighting product of the vehicle in various forms according to the control mode, it is possible to support the advanced vehicle interior and vehicle design.

Hereinafter, a vehicle lighting apparatus according to an embodiment of the present invention will be described with reference to FIG. 1. 1 is a block diagram showing a vehicle lighting apparatus according to an embodiment of the present invention.

As shown in FIG. 1, the vehicle lighting apparatus 100 according to an embodiment of the present invention includes at least one LED 130, a switch unit 110, an infrared sensor 140, and a controller 120. .

The at least one LED 130 is provided in the lighting products of the vehicle interior, respectively, and emits light in at least one color. The lighting product may be at least one of a video device, an audio device, an air conditioning controller, and an instrument panel.

The switch 110 receives a selection of each control mode for selectively controlling the color of each LED 130 according to a user's manipulation. Here, each control mode is a panorama mode for repeatedly changing the color of each LED 130 in a predetermined period, a designated color mode for fixing the color of each LED 130 to a color according to the user's selection, each LED 130 At least one of a temperature color mode for controlling the color of the) according to the room temperature and a period control mode for controlling a predetermined period of the panorama mode.

The switch unit 110 includes a setting switch for setting each control mode according to a user's operation, and an adjustment switch for adjusting detailed settings in each set control mode. In this case, the detailed setting may be a period of change in each control mode, a basic color, and a change order.

The infrared sensor 140 detects a temperature of a vehicle interior or detects a body temperature of a user who operates the switch unit 110 so that the controller 120 controls the color of each LED according to the detected room temperature or the user's body temperature. do.

The controller 120 generates and outputs a Pulse Width Modulation (PWM) signal according to each selected control mode to control the color of each LED 130.

The controller 120 sequentially changes the colors of the LEDs 130 to all the combinable colors at predetermined intervals in the panorama mode. That is, the control unit 120, for example, when each LED 130 is a three-color LED, the control to change the color in a predetermined order for all index wash, week, furnace, second, wave, man, beam that can be combined in three colors Do

The controller 120 controls to change the color of each LED 130 to a warm color when the detected temperature inside the vehicle is lower than the reference value in the temperature color mode, and to cool the color when the detected temperature inside the vehicle is higher than the reference value. Do For example, the controller 120 emits each LED 130 closer to blue as the detected temperature rises from the first high temperature (for example, 10 degrees) to the second high temperature (for example, 25 degrees). Light emits closer to red color as the LED falls from the first low temperature (eg, 0 degrees) to the second low temperature (eg, -10 degrees).

The control unit 120 emits each LED 130 in the designated color selected by the user using the setting switch and the adjustment switch in the designated color mode.

In addition, the controller 120 may change the predetermined period of the panorama mode from the maximum value that can be set in the period control mode to the minimum value that can be set.

On the other hand, each LED 130 may be integrated control through one switch unit 110, may be respectively controlled through a switch provided in the lighting product.

As such, the vehicle light control apparatus 100 according to an embodiment of the present invention may control the color of each of the LEDs 130 provided in the lighting product of the vehicle in various forms to support the advanced interior and design of the vehicle. have.

Hereinafter, a vehicle light control apparatus according to another embodiment of the present invention will be described with reference to FIG. 2. 2 is a block diagram showing a vehicle lighting control apparatus according to another embodiment of the present invention.

As shown in FIG. 2, the vehicle light control apparatus 200 according to another embodiment of the present invention includes at least one LED 210, an input unit 220, a microcomputer 230, and an output unit 240. .

The at least one LED 210 is provided in the indoor lighting products of the vehicle, respectively, to change the color, illuminance, brightness, and the like, thereby improving visibility of the operation button and the display screen.

The input unit 220 selects an LED to be controlled according to a user's operation among at least one LED provided in the lighting product of the vehicle, and receives a control mode for controlling the selected LED 210. The control mode may include at least one of a panorama mode, a designated color mode, a temperature color mode, and a period control mode.

On the other hand, the input unit 220 includes an infrared sensor 210 for detecting the indoor temperature of the vehicle or the user's body temperature and transmits the detected temperature / body temperature to the microcomputer 230, a control mode (eg, using the temperature / body temperature) In the temperature color mode), the microcomputer 230 may control the selected LED by outputting a PWM signal corresponding to the sensed temperature / temperature.

The microcomputer 230 outputs a pulse width modulation (PWM) signal for controlling the selected LED 210 in consideration of the input control mode and temperature information.

The output unit 240 may include a transistor that turns on / off the selected LED by using a PWM signal and turns on / off the selected LED by using a PWM signal.

On the other hand, the vehicle lighting control apparatus 200 according to another embodiment of the present invention may further include a power supply unit 250 for converting the battery power of the vehicle into a voltage that can be supplied to the microcomputer 230 and the LED (210). .

As such, since the vehicle lighting control apparatus according to another embodiment of the present invention controls the lighting by using a PWM signal, the lighting can be controlled in various forms relatively easily.

Hereinafter, a vehicle lighting control method according to another embodiment of the present invention will be described with reference to FIG. 3. 3 is a flowchart illustrating a vehicle lighting control method according to another embodiment of the present invention.

Referring to FIG. 3, first, when the vehicle lighting control apparatus 100 or 200 is powered and initialized (S310). It is checked whether a selection for the control mode is input (S320). That is, the vehicle light control apparatuses 100 and 200 confirm that the setting switch is operated by the user, for example, to select or change the control mode.

Here, although the setting switch is not operated, the vehicle lighting control apparatuses 100 and 200 control the LEDs 110 and 210 accordingly when there is a preset default control mode.

Subsequently, when the selection for the control mode is input, the vehicle lighting control apparatuses 100 and 200 check the selected control mode (S330). In this case, the control mode may be at least one of a panorama mode, a designated color mode, a temperature color mode, and a period control mode.

Next, the vehicle light control apparatus 100 (200) checks whether the detailed setting adjustment for the selected control mode is requested (S340).

At this time, if there is an input for adjusting the detailed setting, the vehicle lighting control apparatus 100 or 200 generates the PWM signal according to the adjusted detailed setting in the selected control mode to control the LEDs 110 and 210 (S350). That is, the vehicle lighting control apparatuses 100 and 200 may set, for example, a color changing in the panorama mode or a change order thereof by manipulating an adjustment switch, and change the designated color in the designated color mode, and in the periodic control mode. The period can be changed shorter or longer than the currently set period. In addition, the vehicle lighting control apparatuses 100 and 200 set the first high temperature, the second high temperature, the first low temperature, and the second low temperature, respectively, in the temperature color mode, or the first high temperature, the second high temperature, the first low temperature, and the second low temperature. The color change at low temperature can be set separately and the default setting in each control mode can be saved.

On the other hand, when there is no detailed setting adjustment request within a predetermined time, the vehicle lighting control device (100, 200) generates a PWM signal according to the selected control mode to control the LED (110, 210) (S360).

On the other hand, the vehicle lighting control device (100, 200) according to the selected control mode and detailed setting adjustments before the power supply is cut off or the power supply is turned off while the (S360) or (S350) is running LEDs (110, 210) To control.

While the present invention has been described in detail with reference to the accompanying drawings, it is to be understood that the invention is not limited to the above-described embodiments. Those skilled in the art will appreciate that various modifications, Of course, this is possible. Therefore, the protection scope of the present invention should not be limited to the above-described embodiment but should be defined by the description of the claims below.

1 is a block diagram showing a vehicle lighting apparatus according to an embodiment of the present invention.

2 is a block diagram showing a vehicle light control apparatus according to another embodiment of the present invention.

3 is a flowchart illustrating a vehicle lighting control method according to another embodiment of the present invention.

Claims (15)

At least one LED provided in the lighting products of the vehicle interior, each emitting at least one color; A switch unit configured to receive a selection of each control mode for selectively controlling each LED; An infrared sensor for sensing a temperature of the vehicle interior; And A controller for generating a pulse width modulation (PWM) signal according to each selected control mode to control the color of each LED Vehicle lighting control device comprising a. The method of claim 1, wherein each control mode, Panorama mode for repeatedly changing the color of each LED at a predetermined period, Designated color mode for fixing the color of each LED to the color according to the user's selection, A temperature color mode for changing the color of each LED according to the room temperature; and A period control mode for controlling the predetermined period Vehicle lighting control device comprising at least one of. The method of claim 2, wherein the control unit in the temperature color mode, As the sensed temperature rises from the first high temperature to the second high temperature, each LED emits light to become blue, And the respective LEDs emit light to become red as the detected temperature decreases from the first low temperature to the second low temperature. The method of claim 2, wherein the controller is further configured to: in each cycle of the panorama mode, And varying the LEDs sequentially into all combinable colors. The method of claim 1, wherein the infrared sensor, Detecting a body temperature of a user operating the switch unit, and the controller changes the color of each LED according to the detected body temperature. The method of claim 1, wherein each of the lighting products, And at least one of a video device, an audio device, an air conditioning control device, and an instrument panel. The method of claim 1, wherein the switch unit, And a setting switch for setting each control mode and an adjustment switch for adjusting a detailed setting in each mode. At least one LED; An input unit for selecting an LED to control from the at least one LED and receiving a control mode of the selected LED; A microcomputer outputting a PWM signal to control the selected LED in consideration of the input control mode; And An output unit for turning on / off the selected LED using the PWM signal Vehicle lighting control device comprising a. The method of claim 8, The input unit includes an infrared sensor for detecting the temperature of the vehicle interior or the body temperature of the user to transfer the detected temperature / body temperature to the microcomputer, And the microcomputer outputs a PWM signal corresponding to the sensed temperature / temperature in a control mode using temperature / body temperature. The method of claim 8, wherein the output unit, A transistor for turning on / off the recognized LED using the PWM signal Vehicle lighting control device comprising a Selecting a control mode for controlling the color of each LED provided in each lighting product in the vehicle interior and emitting at least three colors; And Controlling color of each LED by using a pulse width modulation (PWM) signal according to the selected mode Vehicle lighting control method comprising a. The method of claim 11, wherein the controlling step, If the selected mode is a panorama mode, repeatedly changing the color of each LED at a predetermined period; If the selected mode is a temperature color mode, detecting a temperature of the vehicle interior and changing a color of each LED according to the detected temperature; And If the selected mode is a designated color mode, fixing the color of each LED to a color according to a user selection Vehicle lighting control method comprising at least one of. The method of claim 12, wherein the step of changing repeatedly, Changing the predetermined period Vehicle lighting control method comprising a. The method of claim 12, wherein changing the color of each LED according to the sensed temperature comprises: Emitting each LED closer to blue as the sensed temperature rises from the first high temperature to the second high temperature; And As the sensed temperature is lowered from the first low temperature to the second low temperature, emitting each LED closer to red color Vehicle lighting control method comprising a. The method of claim 11, wherein the controlling step, If the selected mode is a color change mode, receiving an operation of an adjustment switch for changing a color; And Performing control to change the color of each LED as the control switch is operated. Vehicle lighting control method comprising a.
KR1020090048414A 2009-06-02 2009-06-02 Apparatus and method led control on car KR20100129851A (en)

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KR1020090048414A KR20100129851A (en) 2009-06-02 2009-06-02 Apparatus and method led control on car

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KR1020090048414A KR20100129851A (en) 2009-06-02 2009-06-02 Apparatus and method led control on car

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190029887A (en) * 2017-09-13 2019-03-21 현대자동차주식회사 Intecrated controller system for vehicle
CN111669867A (en) * 2020-06-22 2020-09-15 深圳市元征科技股份有限公司 Key background lamp circuit of vehicle and brightness adjusting method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190029887A (en) * 2017-09-13 2019-03-21 현대자동차주식회사 Intecrated controller system for vehicle
CN111669867A (en) * 2020-06-22 2020-09-15 深圳市元征科技股份有限公司 Key background lamp circuit of vehicle and brightness adjusting method thereof

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