KR200354492Y1 - A luminous apparatus using a micro controller - Google Patents

Abstract

The present invention relates to an LED pattern light emitting device, and more particularly, to an LED pattern light emitting device capable of emitting various types of patterns using a microcontroller.

The LED pattern light emitting device according to the present invention reads a memory unit for storing predetermined LED light emission pattern data, and reads predetermined LED light emission pattern data stored in the memory unit, and based on the read pattern data, an LED light emission control signal. And a light emitting unit including a plurality of LEDs, wherein the microcontroller transmits the light emission control signal to the light emitting unit to control the light emitting unit to emit light according to the predetermined LED light emitting pattern. .

According to the present invention, it is possible to produce a variety of light emitting patterns, it is possible to secure more visibility and functionality by interlocking with the direction indicator, taillight, emergency light of the vehicle.

Description

LED pattern light emitting device using a microcontroller {A LUMINOUS APPARATUS USING A MICRO CONTROLLER}

The present invention relates to an LED pattern light emitting device, and more particularly, to an LED pattern light emitting device capable of emitting various types of patterns using a microcontroller.

Cars have become an important means of living in our lives today. In addition to its function as a simple means of transportation, automobiles are importantly recognized as a means to enable humans to enjoy various leisure activities and to expand the scope of human life. Accordingly, as many people accept a car as one of the most important items, many people are trying to add various functions to the car or to beautifully decorate the exterior. There is a method of adding a light emitting device as one of the methods for decorating the appearance of a vehicle including a vehicle, and neon lamps are widely used as an example of the light emitting device.

However, conventional light emitting devices such as neon lamps have a bright brightness to ensure some visibility, but most of them are monochromatic, and various colors cannot be emitted. In addition, most conventional light emitting devices have only a simple light emitting function of simple flashing or simple lighting by using a simple counter chip or transistor. In addition, in the case of neon light, since it operates only at a high voltage, it has been pointed out as a problem that a high risk of an accident such as a fire is high, in addition to the disadvantage of using a lot of power and having a relatively short life.

Accordingly, it is necessary to develop a new type of light emitting device for attaching a vehicle, which satisfies a user's desired level of aesthetic aesthetic and at the same time provides a more diverse light emitting pattern and overcomes the disadvantages of other conventional light emitting devices. .

The present invention is devised to improve the conventional device as described above, an object of the present invention is to reduce the power consumption of the light emitting device, to ensure a long life.

Another object of the present invention is to provide a light emitting device capable of increasing the visibility of a vehicle and stably controlling the vehicle.

Another object of the present invention is to freely determine the light emission pattern of the light emitting device by the user's selection so that the light emission form of the light emitting device can be variously and visually enhanced to enhance the aesthetics.

In addition, another object of the present invention is to add functionality to enable safe driving through interlocking with tail lights, direction indicators, emergency lights of the vehicle.

1 is a block diagram showing the internal configuration of an LED pattern light emitting device according to the present invention.

2 is a circuit diagram of an LED pattern light emitting device according to an embodiment of the present invention.

3 is a view showing a detailed configuration of the LED arrangement of the light emitting unit according to an embodiment of the present invention.

4 is a flowchart illustrating a method in which the LED pattern light emitting device according to the present invention operates in conjunction with a direction indicator light, an emergency light, and a tail light of a vehicle.

5 is a view showing an example in which an acrylic tube is put on the LED pattern light emitting device according to the present invention.

6 is a view showing a perspective view of the LED pattern light emitting device according to the present invention attached to the lower end of the vehicle.

7 is a view showing various modifications of the LED pattern light emitting device according to the present invention.

8 is a partially enlarged photograph of the LED of the microcontroller, the memory unit, and the light emitting unit in the LED pattern light emitting device according to the present invention.

9 is a photograph capturing the actual operation of the LED pattern light emitting device having a light emitting function according to the present invention.

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

110: memory

120: microcontroller

130: light emitting unit

140: pattern selection unit

According to a preferred embodiment of the present invention for achieving the above object and to solve the problems of the prior art, in the LED pattern light emitting device attached to the vehicle for emitting light, a memory unit for storing predetermined LED light emission pattern data, A micro controller configured to read predetermined LED emission pattern data stored in the memory unit and to generate an LED emission control signal based on the read pattern data, and a light emitting unit including a plurality of LEDs; The LED pattern light emitting device is provided by transmitting the light emission control signal to the light emitting unit to control the light emitting unit to emit light according to the predetermined LED light emitting pattern.

As a preferred embodiment of the present invention, a plurality of LED elements are used as the light emitting source. LEDs are light-emitting diodes that can operate at low voltages of around 1V, and the light from the LEDs does not contain ultraviolet light. In addition, the response speed of the LED is much faster than the conventional light emitting device including neon, because there is an advantage in devices that need a fast response speed, such as the dashboard of the car. In addition, the LED has a long life of approximately 100,000 hours, which is much longer than the average life of the car, which is 7 years and 6 months, which is about 11 years and 5 months. Can be used In addition, the LED pattern light emitting device according to the present invention by using a high-brightness LED to ensure more clear visibility and lighting effect.

The present invention provides a more advanced light emitting device capable of overcoming the disadvantages of the conventional light emitting device and inspiring more various functions and aesthetics by combining the excellent characteristics of the LED and the microcontroller.

Hereinafter, an LED pattern light emitting device using a microcontroller according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing the internal configuration of an LED pattern light emitting device according to the present invention. As shown in FIG. 1, the LED pattern light emitting device 100 includes a memory unit 110, a microcontroller 120, and a light emitting unit 130. Hereinafter, the function of each component will be described in detail.

The memory unit 110 stores predetermined LED emission pattern data. The LED light emitting pattern data is data for turning on / off respective LEDs, and the memory unit 110 stores the pattern data in binary form. According to the present invention, the memory unit 110 stores a plurality of light emitting pattern data of various forms, and thus, by providing various types of light emitting patterns to the user, the memory unit 110 may enhance aesthetics with diversity.

The microcontroller 120 reads the pattern data stored in the memory unit 110 and generates an LED emission control signal based on the read pattern data. According to the present invention, unlike the conventional light emitting device, the microcontroller is added to the light emitting device to more effectively control the light emitting unit and provide various types of light emitting patterns.

The light emitter 130 includes a plurality of LEDs. As described above, the LED is used as a light emitting source in the present invention, the plurality of the LED is gathered to form the light emitting unit 130 as a whole. As an example, the plurality of LEDs may be classified into several groups according to a user's selection, and may be individually operated or controlled for each group.

The microcontroller 120 transmits a light emission control signal to the light emitter 130 to control the light emitter 130 to emit light according to the predetermined LED light emission pattern. The micro-controller 120 transmits and controls the emission control signal for each LED individually, thereby enabling the implementation of various types of emission patterns.

In another embodiment, the microcontroller and the main control unit of the vehicle are connected to each other by a communication line, so that the normal operation or failure of the LED pattern light emitting device according to the present invention can be immediately reported to the main control unit. can do.

As a preferred embodiment according to the present invention, the LED pattern light emitting device 100 may further include a pattern selector 140. The pattern selector 140 receives one pattern data from among a plurality of pattern data stored in the memory 110, and the microcontroller 120 stores the pattern data selected through the pattern selector 140 in the memory unit. Read from (110). As an example of the pattern selector, a switch having several buttons may be used.

In addition, according to the present invention, the light emitting unit 130 may be turned on or blink in conjunction with at least one of taillights, direction indicators, emergency lights of the vehicle. To this end, the microcontroller 120 receives the respective interrupt signal corresponding to the operation of the taillight, the turn signal, the emergency light, and switches to the operation mode corresponding to the corresponding interrupt to selectively operate in conjunction with the tail light, the turn signal, the emergency light. Do this. For this interlocking operation, the LED pattern light emitting device of the present invention can be mounted in the vehicle in an embedded form in consideration of the design of the vehicle.

Figure 2 shows a circuit diagram of the LED pattern light emitting device according to an embodiment of the present invention. As shown in FIG. 2, the microcontroller 210 is connected to the control line 220, the regulator 230, the capacitor 240, and the oscillator 250. Hereinafter, the operation of each component of the circuit diagram will be briefly described.

The control line 220 transmits the pattern selection signal input from the user through the pattern selection unit 140 to the microcontroller. In addition, the control line 220 includes a power supply line that receives power from the outside and supplies it to the entire circuit of the LED pattern light emitting device according to the present invention through the regulator 230.

The regulator 230 receives power applied from a power supply line, maintains a stable voltage through the capacitor 240, and inputs the microcontroller 210. The oscillator 250 oscillates a clock signal necessary for the operation of the entire circuit.

3 is a view showing a detailed configuration of the LED arrangement of the light emitting unit according to an embodiment of the present invention.

As described above, the light emitting unit may be composed of a plurality of LEDs, the plurality of LEDs may be classified into several unit groups, and the light emitting pattern may be changed in such a group unit. In FIG. 3, the configuration is classified into three groups, and the light emission color is changed for each group. That is, the LED is divided into red, green, and blue by line.

Referring to the emission pattern of FIG. 3, each group may emit a unique color sequentially, or when at least two groups emit light simultaneously, a new color may be generated by using a mixture of colors. As an example, when the LEDs emitting red and blue light at the same time to produce a light emitting color of purple. In the case of a conventional light emitting device, for example, a light bulb type, the surface of the light bulb is colored to implement an illumination color, whereas the LED of the present invention can emit light having a unique wavelength in the LED itself, thereby realizing various colors that are more luxurious. It is.

In addition, according to the present invention, a specific pattern is selected from the pattern selection unit, and a combination of LEDs for emitting pattern data by reading pattern data from a memory containing pattern data using a microcontroller allows the emission color of the emission pattern to be viewed. Characterized in that it can be expressed in various ways.

In addition, the LED pattern light emitting device according to an embodiment of the present invention is attached to the vehicle to operate in conjunction with at least one or more of the emergency light, turn signal, taillight, etc., by reading the light emitting pattern corresponding to the interrupt from the memory The light emitting unit including the plurality of LEDs is selectively emitted according to the type of interlocking.

As a result, the light emitting pattern according to the present invention may be interpreted to include various types of patterns synchronized with lighting and blinking according to the linkage of various means of transportation. The light emission pattern data may include not only a sequential lighting / flashing structure, but also data in a random signal form that enables the LED to emit light randomly without a specific rule. In addition, by precisely controlling the time difference between lighting and blinking by using a microcontroller, it is possible to obtain a special light emitting effect of an existing lighting device such as a psychedelic lighting.

4 is a flowchart illustrating a method in which the LED pattern light emitting device according to the present invention operates in conjunction with a direction indicator light, an emergency light, and a tail light of a vehicle. Hereinafter, a process performed in each step will be described in detail.

First, in step S401, power is supplied from the outside through the control line 220. Next, in step S402, it is determined whether an interrupt signal is detected.

If there is no detection of the interrupt signal as a result of the determination, in step S403, the light emission pattern is selected through the pattern selection unit S403. Accordingly, in step S404, the microcontroller reads the selected light emission pattern from the memory unit to operate the LED of the light emitting unit.

If the interrupt signal is applied as a result of the determination in step S402, the internal program of the microcontroller branches to the interrupt routine. The interrupt routine determines whether an interrupt signal corresponds to a direction indicator light, an emergency light, or a tail light (S406, S407, S408), and performs an operation corresponding to the corresponding light (S409, S410, S411).

The microcontroller receives the value of the program counter that was performing the operation prior to the occurrence of the interrupt from the memory at the same time as the operation of the specific device upon interruption, returns to step S402, and continues the operation of the previous light emission pattern. Can be done.

5 illustrates an example in which an acrylic tube is covered on an LED pattern light emitting device according to the present invention. According to FIG. 5, the light emitting function may be more stably performed by protecting the circuit of the LED pattern light emitting device of the present invention from external influences such as waterproofing or dustproofing. In addition, it is possible to increase visibility when emitting light, and by applying a predetermined light emitting material or color on the outer surface of the acrylic tube, it is possible to implement a variety of colors and light emitting forms.

6 is a perspective view showing the LED pattern light emitting device attached to the lower end of the vehicle according to an embodiment of the present invention.

The LED pattern light emitting device according to the present invention may be attached to any position of the vehicle, and in particular, when it is attached to the lower portion of the vehicle as shown in FIG. 6 and operates as an underlight emitting light toward the ground, an indirect lighting effect is obtained. Can be. That is, while the conventional light emitting device adopts a direct scanning method, the other LED pattern light emitting device according to the present invention is to illuminate around or the bottom of the door of the vehicle, so that there is an obstacle when the driver or passenger gets on or off in the evening or in a dark place. It can be confirmed with the naked eye can provide a convenience for safety. In addition, it is possible not only to prevent direct lighting from visually causing glare and to interfere with the driving of other vehicles, but also to exhibit the desired luxurious lighting effect of indirect lighting. In addition, it is possible to perform a role as an emergency work light by brightly illuminating the left and right sides and the bottom of the vehicle.

In addition, as described above, the LED pattern light emitting device of the present invention includes a feature that assists the functions of the above lights in a specific area where the amount of light is low at night or in association with a taillight, a turn signal, an emergency light, and occurs inside a vehicle. It may also include the ability to communicate to others through emergency lights in case of an emergency.

7 illustrates various modifications of the LED pattern light emitting device according to the present invention. 7 is a photograph of the LED pattern light emitting devices that differentiates the luminance and the emission range by varying the length of the light emitting portion. By arranging more LEDs, a long LED pattern light emitting device (see top of FIG. 7) can be attached to an automobile or a relatively large vehicle, and a relatively short LED pattern light emitting device (FIG. 7). See below) can be attached to a relatively small vehicle, such as a motorcycle, bicycle or baby carriage.

FIG. 8 illustrates a circuit in which the LED pattern light emitting device according to the present invention is actually implemented. In particular, FIG. 8 is an enlarged photograph of the microcontroller and the memory unit in the circuit. Peripheral elements such as regulators, crystal oscillators, and capacitors are located around the sockets of the microcontroller, and the entire circuit is protected by an acrylic tube.

9 is a picture capturing the actual light emitting operation of the LED pattern light emitting device according to the present invention. In FIG. 9, the light emission patterns related to the sequential lighting or blinking are illustrated. However, the light emission patterns in other modified forms are also described above.

According to the present invention, by adopting the LED as a light emitting source, it requires a low power when driving the light emitting device, it is possible to obtain the effect that the life of the light emitting unit can also be semi-permanent. In addition, as a diode element, fast control is possible, and the heat generation amount is very low, which is stable.

In addition, according to the present invention, it is possible to express the light emitting patterns of various patterns by using the advantages of the above LED and in combination with the microcontroller. Therefore, it has a characteristic of a dynamic, diverse and low power light emitting pattern in the monotonous, static light emitting pattern represented by the conventional neon light, which can produce a more unique and beautiful appearance.

According to the present invention, the attachment of the light emitting device is not limited to automobiles, and is used for various means of transportation such as motorcycles and bicycles, so that the visibility of the vehicle body can be improved and the driving can be performed more safely. The effect which can improve functionality as an effect and an emergency light can be acquired.

Claims (6)

An LED pattern light emitting device attached to a vehicle for emitting light, A memory unit for storing predetermined LED emission pattern data; A micro controller configured to read the stored pattern data and to generate an LED emission control signal based on the read pattern data; Light emitting unit including a plurality of LED Including, And the microcontroller transmits the light emission control signal to the light emitting unit to control the light emitting unit to emit light according to the predetermined LED light emitting pattern. The method of claim 1, The memory unit includes a plurality of pattern data, One of the plurality of pattern data of the pattern data from the user Pattern selector for selection More, The microcontroller reads the selected pattern data from the memory LED pattern light emitting device characterized in that. The method of claim 1, The light emitting unit is an LED pattern light emitting device, characterized in that to operate in conjunction with at least one of the direction indicator, taillight, emergency light of the vehicle. The method of claim 1, The pattern data LED device, characterized in that the random signal data. The method of claim 1, The microcontroller transmits the emission control signal to each LED; LED pattern light emitting device characterized in that. The method of claim 1, A vehicle having the LED pattern light emitting device attached thereto.