KR100894949B1 - A lighting button for AV system of car - Google Patents

Abstract

The present invention relates to a lighting button provided in a car audio or AV system, etc., comprising a base plate slidably installed on a front panel of a car audio or AV system and an upper cover coupled to an upper portion of the base plate, The upper cover is formed on an extension portion on one side of the character printing portion and the character printing portion, the base plate is bent outward so that the upper side is spaced apart from the lower surface of the character printing portion to be coupled to the expansion portion of the upper cover, By minimizing the light blocking of the LED by the LED, the illumination area of the upper cover can be maximized to increase the visibility of the user, and also the base plate can stably support the upper cover to increase durability. A lighting button of a vehicular AV system.

Illumination button, LED, base plate, top cover

Description

A lighting button for AV system of car}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting button provided in a vehicle audio system or an AV system. The lighting button provided on a front panel of a vehicle AV system, etc. comprises a top cover and a base plate slidably installed on the front panel, By installing the LED to maximize the lighting area formed on the upper cover, to secure a large text printing area to increase the visibility of the user, and also to improve the durability of the lighting button to the lighting button of the vehicle AV system It is about.

In general, an audio system or an AV system is installed on a crash pad installed in front of a vehicle to secure driver's convenience, and the AV system enables the driver to visually easily recognize necessary information. The monitor will display the relevant information.

These monitors, which are mounted on vehicles, have recently been used to watch TV broadcasts through airwaves or satellites while on the move, or the size of the screen for the user's visibility as the scope of providing information such as map information is expanded due to the introduction of a navigation system that is currently increasing. Is on the rise.

In addition, such audio or AV system prints a function letter on the upper part of the operation button to facilitate the driver's operation during night driving, and installs an LED (Light Emitting Diode) on the inside to provide an illumination button by LED light. To increase the visibility of the driver.

However, the operation buttons as described above are limited in size due to the size of the monitor and the constraints of the space inside the vehicle, and are provided in a relatively small size, so that the illumination area for printing the characters is also formed small so that the visibility of the user is significantly reduced. .

The conventional lighting button as described above will be described with reference to the drawings.

1 shows a cross-sectional view of a conventional lighting button.

As shown, a front panel 110 is provided at one side of the liquid crystal display (LCD) 100 of the AV system, and a switch board (circuit) for operating the monitor 100 inside the front panel 110. Substrate) 120 is provided.

At this time, the switch board 120 is equipped with a lighting LED (LED) 125 and a switch terminal (not shown).

The illumination button is composed of a base plate 140 slidably installed on the front panel 110 and an upper cover 130 coupled to the base plate 140.

The base plate 140 is inserted and coupled to be in close contact with the lower side of the upper cover 130, and is coupled using a hook or the like.

At this time, the upper cover 130 is composed of a transparent material that can transmit the light of the LED 125, the base plate 140 is composed of an opaque material.

 Accordingly, the LED 125 of the switchboard 120 illuminates the upper cover 130 so that the function characters printed on the upper surface of the upper cover 130 can be easily recognized.

However, the conventional lighting button having the above structure has the following problems.

First, since the LED light does not penetrate the base plate, the upper cover forms a limited sized lighting area A, so that the text printing area is also small in proportion to the lighting area A, so that the vehicle is driven at night. There was a problem that the visibility of the user was reduced, and secondly, the base plate is not only coupled to the lower part of the upper cover by a hook or the like, but also does not support the entire lower side of the upper cover, resulting in poor assemblability and being separated or combined when used for a long time. There is a problem that the loosening is reduced durability.

The present invention has been made to solve the above problems, and provided with a base plate installed on the front panel, such as a vehicle AV system and the upper cover coupled to the upper base plate, the progress of the LED light by the base plate In-vehicle AV which can improve durability by maximizing the illumination area of the top cover by minimizing the interference, increasing the visibility of the user by expanding the character printing area, and also allowing the base plate to stably support the top cover. The illumination button of the system.

The present invention provides a lighting button of a vehicle AV system including a base plate slidably installed on the front panel so as to pressurize the switch terminal provided on the switchboard of the vehicle AV system and an upper cover coupled to an upper portion of the base plate. In the upper cover is composed of an extension portion formed by extending a predetermined length of the letter printing portion and one side of the letter printing portion to the outside, the base plate is the upper one side so that the illumination area formed on the top cover is maximized It is formed to be bent outwardly so as to be spaced apart from the lower side of the upper cover is coupled to the engaging portion coupled to the lower side of the expansion portion of the upper cover protruding.

Guide ribs are formed to protrude downwardly along an outer circumference of the lower surface of the letter printing portion of the upper cover to allow the upper portion of the base plate to be inserted, and the outer portion is formed on the guide ribs so that a predetermined space is formed in the lower portion thereof. Correspondingly downwardly bent, the coupling portion of the base plate is sequentially bent to be tightly coupled to the inner surface of the space portion of the expansion portion.

In addition, the base plate may be provided in a position eccentric to the pressing portion for pressing the switch terminal of the switch board so that the lighting LED provided in the switch board is located in the center portion.

In addition, the upper cover and the base plate of the present invention can be formed by double injection can be increased assembly and durability.

The present invention is to minimize the area to block the light of the LED for the base plate is installed on the switchboard to maximize the illumination area of the illumination button, it is possible to secure a relatively large text printing area, the user's operation during night operation In addition to improving the visibility of the button, the base plate not only supports the entire lower side of the upper cover, but also doubles the upper cover and the base plate, thereby simplifying the manufacturing process and increasing durability of the lighting button. There is an effect that can be improved.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 shows an exploded perspective view of the illumination button of the present invention, Figure 3 shows a cross-sectional view of a state in which the illumination button of the present invention is mounted on the front panel.

As shown, the illumination button is composed of a top cover 30 and the base plate 40.

The upper cover 30 is a portion exposed to the outside of the front panel 10 of the AV system installed in the vehicle, and the user presses the upper cover 30 to operate the AV system or the monitor 100.

The upper cover 30 may be formed in various shapes such as a rectangle, and is composed of a character printing unit 32 and an expansion unit 36.

The letter printing unit 32 is provided with a guide rib 33 formed bent downward along the outer circumference to form a predetermined space portion into which the upper portion of the base plate 40 can be inserted.

On the other hand, the upper surface of the character printing unit 32 forms a character printing area in which a character that can indicate the function of the button is printed.

In addition, the expansion portion 36 of the upper cover 30 is to increase the size of the upper cover 30 to improve the operability of the user, and is formed to extend outward from one side of the character printing portion 32, The outer periphery is formed to be bent downward to correspond to the guide rib 33 of the character printing portion 32 so that a predetermined space portion is formed.

At this time, the upper cover 30 is made of a transparent material that can transmit light, so that the light of the LED (LED) provided on the switchboard 20 is exposed to the outside, thereby improving the visibility and operability of the user.

On the other hand, the base plate 40 not only guides the light of the LED 25 to be effectively irradiated to the character printing part 32 of the upper cover 30, but also to the switchboard 20 in the front panel 10. As to press the switch terminal 26 is installed, the upper portion is inserted and coupled to the lower portion of the upper cover 30, the lower portion is slidably inserted coupled to the front panel (10).

The base plate 40 has a columnar shape of which the inside is empty and the upper and lower portions are open, and the upper surface is inserted and coupled to be in close contact with the lower surface of the letter printing portion 32 of the upper cover 30.

In addition, the base plate 40 is formed of an opaque material so that the light of the LED 25 can be concentrated on the letter printing portion 32 of the upper cover 30.

At this time, the upper one side of the base plate 40 is bent outwardly so as to be spaced apart from the lower side of the letter printing portion 32, and then sequentially formed to be inserted and coupled to the expansion portion 36 of the upper cover 30 Coupling portion 45 is provided.

 The upper side of the coupling portion 45 is formed to correspond to the inner circumferential surface of the lower space portion of the expansion portion 36 of the upper cover 30 is to be closely coupled.

Therefore, the base plate 40 is in close contact with the entire lower surface of the upper cover 30, thereby stably supporting the upper cover 30.

On the other hand, the lower outer circumferential surface of the base plate 40 is vertically formed with a slide rib 41 slidably inserted into a guide groove (not shown) formed in the front panel 10, one side from the front panel 40 Hooks (not shown) are formed to prevent them from slipping off.

Therefore, when the user presses the upper cover 30, the base plate 40 moves downward according to the guide of the slide rib 41, and then presses the switch terminal 26 to turn on / off.

At this time, the base plate 40 is supported by the elastic force of the switch terminal 26.

On the other hand, the LED 25 is installed on the switch board 20 to be located in the center portion of the base plate 40 so that the letter printing portion 32 of the upper cover 30 can effectively emit light, the switch terminal 26 Is installed at the position eccentrically to the one side from the central portion of the base plate 40 to correspond to the pressing portion 42 protruding from the inner wall surface of one side of the base plate 40.

The pressing part 42 is formed in the shape of a rib protruding in the vertical direction, and the avoiding groove (shown in FIG. 3) may be formed in the lower part so that the switch terminal 26 can be located.

Meanwhile, the upper cover 30 and the base plate 40 are preferably manufactured by double injection to simplify the manufacturing process.

For example, first, the injection molded upper cover 30 is set again in a mold, and then the base plate 40 is injection molded to manufacture in an integrated state.

Hereinafter, a state in which the illumination region of the present invention is formed will be described.

As shown in FIG. 3, the light irradiated from the LED 25 positioned at the lower center portion of the base plate 40 is irradiated to the character printing unit 32 of the upper cover 30.

At this time, the light of the LED 25 proceeds as a dotted line to form the lighting area (B) in the upper cover (30).

At this time, the coupling portion 45 of the upper side of the base plate 40 is formed to be bent outward from the lower surface of the upper cover 30, the lighting area (B) is a conventional lighting area (A) shown in FIG. The additional area (C) enlarged toward the expansion portion 36 is secured to ensure a larger area.

Therefore, the present invention can enlarge the illumination area of the illumination button to secure a wider text printing area, thereby improving the user's visibility, and the base plate can stably support the upper cover 30, thereby increasing durability. In addition, the manufacturing process of the lighting button can be simplified.

As described above, the above embodiments are merely described as examples for convenience of description and are not intended to limit the scope of the claims.

1 is a cross-sectional view of a lighting button of a conventional vehicle AV system,

2 is an exploded perspective view of a lighting button of the AV system for a vehicle of the present invention;

3 is a cross-sectional view of the lighting button of the present invention.

Explanation of symbols on the main parts of the drawings

10,110 Front panel 20,120 Switchboard

25,125 LED 26: Switch terminal

30,130: upper cover 32: character printing unit

33: guide rib 36: expansion portion

40,140: Base plate 41: Slide rib

42: pressure portion 45: coupling portion

100: monitor A, B: lighting area

C: additional area

Claims (4)

In the illumination button of the vehicle AV system comprising a base plate slidably installed on the front panel so as to pressurize the switch terminal provided in the switchboard in the vehicle AV system and an upper cover coupled to the upper portion of the base plate, The upper cover is composed of an extension portion formed by extending a certain length of the letter printing portion and one side of the character printing portion to the outside, The base plate is formed to be bent outwardly so that the upper side is spaced apart from the lower side of the upper cover so that the illumination area formed on the upper cover is protruding from the engaging portion coupled to the lower side of the extension of the upper cover The illumination button of the vehicle AV system characterized in that. The method of claim 1, Guide ribs are formed to protrude downward from the lower surface of the letter printing portion of the upper cover so that the upper portion of the base plate can be inserted, and the outer portion is bent downward so that a predetermined space is formed at the lower portion thereof. The coupling button of the base plate is a button of the vehicle AV system, characterized in that bent sequentially formed to be in close contact with the inner surface of the space of the expansion portion. The method of claim 2, The base plate is a lighting button of the vehicle AV system, characterized in that the pressing portion for pressing the switch terminal of the switch board to be eccentric to one side so that the lighting LED provided on the switch board is located in the center. The method according to any one of claims 1 to 3, The illumination button and the base plate is an illumination button of a vehicle AV system, characterized in that formed by a double injection.

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