KR101671647B1

KR101671647B1 - LED taillights for vehicle

Info

Publication number: KR101671647B1
Application number: KR1020150164388A
Authority: KR
Inventors: 오병후
Original assignee: 오병후
Priority date: 2015-11-24
Filing date: 2015-11-24
Publication date: 2016-11-01

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a rear composite structure for a vehicle, and more particularly, And a vehicle rear compound that can be used to block infrared radiation by minimizing heat generation using chips.

Description

{LED taillights for vehicle}

Generally, the vehicle is provided with a headlight for ensuring a forward view at night, and a rear for identifying the vehicle at night and signaling a car following the braking of the vehicle, which is also referred to as a tail light.

As a related art related to the rear light, there is a taillight of a vehicle proposed in the Utility Model Registration No. 20-1997-0006283.

The utility model includes a case body having a half circle with a reflecting mirror formed thereon, a bulb provided at a central portion of the case body, and a lens fitted to the back surface of the case body, And a auxiliary filter having a flat portion and a concave portion for diffusing light between the lens and the case main body and having a yellow or red hue is provided. The service life is shortened, maintenance is required from time to time, condensation occurs due to the moisture remaining in the case body, and short-circuiting is likely to occur. In the case of a military vehicle, heat generated by the bulb causes infrared There is a very weak problem.

To overcome such disadvantages, there is a rear taillight using a sulfur / red two-color LED device proposed in the registration utility model No. 20-0403331 as a conventional taillight.

In the utility model, a plurality of 3-terminal 2-color LEDs capable of representing yellow / red 2-color LEDs and 3-terminal 2-color LEDs connected in series to realize bidirectional serial connection of 3-terminal 2-color LEDs An LED vehicle tail lamp that can express two colors by connecting the (-) terminal of the LED connected to both ends of the color LED to the relay is proposed, and the yellow / red two LEDs are contacted by using the relay, However, there is a fear that the operation of the relay may not be smooth due to the vibration of the vehicle, and the life of the relay switch itself is also shortened when the vibration is repeated, so that maintenance is also needed from time to time.

Accordingly, it is an object of the present invention to provide a vehicle rear composite which is robust in construction including a case, prevents breakage even under frequent vibration and impact, and improves life span by originally blocking infiltration of water or impurities.

In addition, in the case of military vehicles, unpaved roads are frequently operated along with ordinary roads, and therefore, they are often operated at extreme temperatures. Even in such a case, they can withstand impact and vibration. Which is capable of shutting off the rear wheels of the vehicle.

The rear composite lamp according to the present invention comprises a case having a hemispherical shape in which an interior is hollow, a back plate coupled to the case and to which electric wires are coupled, a circuit board coupled to the back plate and having a plurality of LED chips mounted thereon, A reflector disposed at one side of the circuit board and dividing the light emitted from the LED chip at regular intervals and emitting the light to the outside, a lens installed at one side of the reflector for diffusing light emitted from the LED chip, And a cover which is fixed to the case and is coupled to the case.

The rear composite vehicle for a vehicle according to the present invention makes it possible to prevent the vehicle from being damaged even under frequent vibration and shock, and to prevent the infiltration of water or impurities from being intrinsically blocked, thereby improving the life of the vehicle. In this case, it is possible to withstand shock and vibration. In addition, it is possible to prevent the infrared ray from being detected by minimizing the heat generation by using the LED chip. It is effective.

FIG. 1 is a perspective view
Figures 2 and 3 illustrate the separation scheme of the present invention
4 is a partial schematic view of the present invention

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

FIG. 1 is a perspective view of the present invention, and FIG. 2 and FIG. 3 are perspective views of the present invention. FIG. 2 is an exploded perspective view of a vehicle rear composite according to the present invention. A circuit board 14 coupled to the back plate 11 and having a plurality of LED chips 15 mounted thereon, a circuit board 14 coupled to one side of the circuit board 14, And a reflector 17 installed at one side of the reflector 17 for diffusing light emitted from the LED chip 15. The reflector 17 diffuses light emitted from the LED chip 15 at regular intervals, And a cover 20 which fixes the lens 18 and is coupled to the case 10. The lens 18 is fixed to the lens 18,

The case 10 may be made of a synthetic resin. However, if the case 10 is installed in a military vehicle, the case 10 may be used to operate a non- Since strong impact can be applied by running on the road, it is preferable to use die casting method by using aluminum alloy which can withstand shock and vibration.

A back plate 11 is coupled to the case 10. The back plate 11 fixes the circuit board 14 and the heat sink 22 and assembles parts such as the cover 20. [ And has a plate shape using synthetic resin.

In the shown back plate 11, a seating groove 13 is formed at one side, and a heat sink 22, which will be described later, is inserted into the back groove.

A circuit board 14 on which a plurality of LED chips 15 are mounted is coupled to one side of the back plate 11. The circuit board 14 has an LED chip mounted on a PCB substrate in an SMD manner.

A reflecting mirror 17 is provided on one side of the circuit board 14. The reflecting mirror 17 has a plurality of light transmitting holes 17a for allowing light to pass through the reflecting mirror 17 at regular intervals and is made of a translucent material And collects light emitted from the LED chip 15 and emits the light to the outside.

A lens 18 is provided at one side of the reflector 17 to determine the color and brightness of the LED chip 15 and the color of the LED chip 15 It plays a role to make red light appear when light emitted.

A cover 20 is formed at one side of the lens 18 and the cover 20 is fixed to the case 10 to fix the lens 18 and other components.

The rear composite according to the present invention is preferably installed in a military vehicle rather than a general vehicle. In the case of a military vehicle, a red service tail, a red service stop, Tail and Amber Blackout Stop should be displayed.

In other words, a commercial tail lamp is in a state displaying a red color like a general vehicle, a stop lamp is a red color such as a commercial tail lamp and is a red color having a higher luminance, and a light control indicator lamp has a minimum visible distance And so on. For this purpose, it is indicated in red, etc., and stoppage of lighting control is stopped in yellow to avoid enemy observation.

To this end, a filter (19) for expressing an equalization control stop light and an indicator of an equalization control is coupled to one side of the back plate (11).

That is, the filter 19 is a translucent synthetic resin having a white color, and transmits light emitted from the LED chip 15 to the outside. The LED chip 15 mounted on the circuit board 14 is connected to the backplate 11, And a cutout 16 is formed on the circuit board 14 at a position corresponding to the partition plate 12. The cutout 16 is formed at a position corresponding to the partition plate 12 on the circuit board 14. [

That is, the partition plate 12 is divided into the LED chip 15a for commercial tail lamp and stop, the LED chip 15b, 15c for displaying the lighting control indicator, And the circuit board 14 is formed in a position corresponding to the shape of the partition plate 12 so that the circuit board 14 and the back plate 11 are connected to each other It can be firmly fixed, and even if shock or vibration is applied, the combined position does not deviate.

The heat sink 22 is coupled to the seating groove 13 of the back plate 11 to rapidly cool the heat generated in the circuit board 14. [ That is, the heat dissipation plate 22 is coupled to the seating groove 13 in a state in which the heat dissipation plate 22 is in contact with a component such as a transistor or a diode formed on the circuit board 14, .

The electric wire 30 is connected to the back plate 11 as a connection jack 31 so that water or impurities can be introduced into the case 10, So that it is prevented from penetrating into the electric wire 30.

That is, the portion where the electric wire 30 and the case 10 are connected is a portion where the electric wire 30 is peeled off. Therefore, if water or impurities penetrate into this portion, a short circuit may occur. It is possible to prevent a short circuit or the like from being broken by providing a connection jack 31 made by using the above-

In addition, the circuit board 14 may be coated with transparent epoxy on one side or both sides of the circuit board 14 after the LED chip 15 is mounted, thereby preventing the LED chip 15 from being short-circuited.

That is, in the case of a rear lamp used in a vehicle, water, impurities or moisture may be infiltrated into the rear lamp according to the use environment, and in particular, when the temperature of the circuit board 14 is suddenly lowered due to exposure to air, Condensation may occur on the circuit board 14 due to the moisture. In this case, since the LED chip 15 mounted on the circuit board 14 may be damaged by a short circuit or the like, the epoxy may be applied to one side or both sides of the circuit board 14 to form the circuit board 14 Is prevented from being in contact with air, thereby preventing a short circuit.

In addition, an MLCC (multilayer ceramic capacitor) may be installed on one side of the circuit board 14 in order to cut off electromagnetic waves.

In other words, since a military vehicle can be exposed to electromagnetic waves due to detection devices such as an enemy radar, a MLCC (Multilayer Ceramic Capacitor) is installed at the output portion of the LED power supply to remove noise from the output terminal, . &Lt; / RTI >

Further, a gasket (21) is provided between the case (10) and the back plate (11) to prevent moisture or foreign matter from penetrating into the composite lamp.

As a result, the rear composite vehicle for a vehicle according to the present invention makes the structures including the case robust, thereby preventing breakage even under frequent vibration and impact, and also has an effect of preventing the infiltration of water or impurities, In the case of vehicles, uneven roads are frequently operated along with ordinary roads, which often operate at extreme temperatures. Even in such a case, it is possible to withstand shock and vibration, and by using LED chips, There is a remarkable effect.

10. Case 10a. Power election entrance
11. Back plate 12. Compartment plate 13. Seat groove
14. circuit board 15. LED chip 16. cutout
17. Reflector 17a. Flood hole
18. Lens 19. Filter
20. Cover 21. Gasket 22. Heat sink

Claims

A back plate 11 coupled to the case 10 and to which electric wires are fastened and a plurality of LED chips 15 coupled to the back plate 11, A reflector 17 disposed at one side of the circuit board 14 and dividing the light emitted from the LED chip 15 at regular intervals and sending the light to the outside; A lens 18 installed on one side of the LED chip 15 for diffusing light emitted from the LED chip 15 and a cover 20 fixed to the case 10 to fix the lens 18, ,
A filter 19 made of translucent white synthetic resin is connected to one side of the lens 11,
The back plate 11 is provided with a partition plate 12 for separating the LED chips 15 installed on the circuit board 14 and a circuit board 12 is provided on the circuit board 14 at a position corresponding to the partition plate 12 The circuit board 14 and the back plate 11 can be firmly fixed to each other. Even if shock or vibration is applied, the coupled position is not shifted,
A heat sink (22) is coupled to the seating groove (13) of the back plate (11) to cool the heat generated from the circuit board (14)
After mounting the LED chip 15 on the circuit board 14, a transparent epoxy is applied to one side or both sides of the circuit board 14 so that the circuit board 14 itself, including the LED chip 15, To prevent a short circuit of the LED chip (15).

delete

The method according to claim 1,
A power input port 10a through which the electric wire 30 enters and exits is formed at one side of the case 10 and the electric wire 30 is connected to the back plate 11 as a connection jack 31, (30) of the vehicle.

delete

The method according to claim 1,
And a multilayer ceramic capacitor (MLCC) is provided on one side of the circuit board (14) in order to cut off the electromagnetic wave.