KR200467810Y1 - Led lamp for vehicle - Google Patents

Abstract

The present invention can realize a high-efficiency LED lamp with a small number of LEDs by increasing the reflectance of the LED light, and relates to a vehicle LED lamp that greatly improves productivity as well as a reduction in production cost with a compact structure and assembly.
To this end, the present invention is composed of the upper cap and the hollow lower cap, but a plurality of pillars are disposed between the outer circumferential surface of the upper cap and the outer circumferential surface of the lower cap and a lamp housing in which a light window is formed in the longitudinal direction, and a part of which is inserted into the lamp housing. A plurality of mounted LEDs are placed in a light window and a substrate frame printed with a circuit so as to receive power from the outside, and a cover for being fixed under the substrate frame and fitted into a lower cap to secure the substrate frame.
Accordingly, the present invention can be used as the main light source by the LED is formed in the same position as the filament-type bulb, without removing the existing bulb, without changing the design, by obtaining a light emitting surface comparable to the filament-type bulb High efficiency LED lamp can be realized by LED of.
In addition, the present invention is provided with a substrate frame inserted into the lamp housing and the lamp housing, and a cover for fitting to the lamp housing to secure the substrate frame, thereby providing a compact structure and assemblability to reduce productivity and productivity. It can greatly improve.

Description

LED Lamp for Vehicles {LED LAMP FOR VEHICLE}

The present invention relates to an LED lamp for a vehicle, and more particularly, it is possible to realize a high efficiency LED lamp with a small number of LEDs by increasing the reflectance of the LED light, and to reduce the production cost and greatly increase the productivity due to the compact structure and assembly property. It is related with the improved LED lamp for vehicles.

Generally, a vehicle has a signal lamp such as a reversing light, a tail light, a parking light, a vehicle width light, a turn signal light, an emergency flashing light, a brake light, and a fog light and a headlight to secure the driver's vision. Is mounted.

The signal lamps, fog lamps, and headlamps mainly use filament-type bulbs, but have recently been replaced with LED lamps.

Korean Patent Publication No. 10-2010-0077249 (July 8, 2010) can be mounted as it is in a car lamp socket, and can implement taillights and direction indicators in different colors, and use a vehicle signal using an LED that can maximize the light emitting area. The lamp is posted.

Referring to this publication, a vehicle signal lamp using an LED includes a vehicle signal lamp using an LED detachably mounted to a lamp socket 10 of a vehicle; The vehicle signal lamp 20 is; The first and second terminals 33 for supplying a taillight current and a second terminal 34 for receiving a blinking current are connected to the lamp socket 10 of the vehicle and electrically connected thereto. Each side is provided to protrude, and the side body has a cylindrical lamp housing (30) to perform a (-) terminal function; The base which is embedded in the lamp housing 30 and connected to the first (+) terminal 33, the second (+) terminal 34 and the (-) terminal portion, and has a printed pattern for power supply and circuit driving. A substrate 40; A disk-shaped lower substrate 50 disposed in a direction orthogonal to the upper portion of the base substrate 40 and covering the opening of the lamp housing 30; It is arranged along the edge of the lower substrate 50 to form a polygonal pillar, the outer surface of the first LED 61 and the second LED when the power is supplied through the first (+) terminal 33 Body boards 60 having a plurality of second LEDs 62 mounted thereon when the power is supplied through the (+) terminal 34; It is disposed to cover the upper end of the body substrate 60 while facing the lower substrate 50, the upper surface and the second LED 62 when the power is supplied through the second (+) terminal 34 An upper plate 70 of a disc shape in which a plurality of third LEDs 71 that are lit together are mounted; It consists of a configuration that includes.

The vehicle signal lamp using the conventional LED made of the above technical configuration is assembled by fitting a disc-shaped lower substrate, a polygonal pillar-shaped body substrate and a disc-shaped upper substrate in order to maximize the light emitting area. There are many problems that the assembly is difficult and accordingly the productivity falls.

In addition, the signal lamp for a vehicle using a conventional LED is to remove the filament-type bulb and use the lamp socket and the reflector of the existing vehicle as it is, the position of the light source made of the LED is reflected by the reflecting plate different from the position of the light source made of the filament method Due to the difference in the amount of light, even though a large number of LEDs were mounted, there was a problem in that the reflection efficiency decreased.

The present invention has been made to solve the above-mentioned conventional problems, to provide a LED lamp for a vehicle that can implement a high-efficiency LED lamp with a small number of LEDs by increasing the reflectance of the LED light.

In addition, the present invention is to provide an LED lamp for a vehicle that greatly improves the productivity as well as the reduction of production cost with a compact structure and assembly.

In order to solve the above problems, the present invention comprises a lamp housing which is composed of an upper cap and a hollow lower cap, wherein a plurality of pillars are disposed between the upper cap and the lower cap, and a light window is formed in the longitudinal direction, and is inserted and mounted in the lamp housing. And a board mounted with an LED corresponding to a light window, and a circuit board printed with a circuit so as to receive power from the outside; and a lower cap that is constructed under the substrate frame and fixed inside the lower cap to fix the substrate frame in the lamp housing. It characterized in that the cover made of a.

The upper cap is characterized in that a refractive window having a reflecting surface inclined outward in correspondence with the LED so as to irradiate forward light emitted from the LED mounted on the upper side of the substrate frame on the upper surface.

The pillar extends from the upper cap to form a fastening protrusion at an end thereof, and the lower cap is formed to have a fastening groove corresponding to the fastening protrusion at its inner circumferential surface to be detachably assembled with the upper cap.

The lower cap is grooved to reflect forward light emitted from an LED mounted on the substrate frame and spaced apart by a first lower cap detachably assembled to a pillar and a rib extending from the first lower cap, and mounted below the substrate frame. And a second ring-shaped lower cap having a reflective surface.

The substrate frame is characterized in that the two substrates are arranged facing each other and the substrates on both sides of the substrate frame is produced in the form of an H beam.

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The substrate frame is arranged so that two substrates face each other and the substrates are placed on both sides to form H beams so that the LEDs are mounted on four sides, but the facing cover is prevented from falling backward. The rear end of the substrate is characterized in that it is made of an expansion plate wider than the width of the snow hole perforated in the cover.

The circuit device for driving the LED is characterized in that it is mounted on the cover or the expansion plate of the substrate frame to be spaced apart from the LED so that heat generated during the LED driving is not transferred to the LED.

The light window formed by the pillar is characterized in that the reflection surface protruding in the direction parallel to the LED is formed on both sides to collect the light emitted from the LED.

According to the present invention, since the main light source by the LED is formed at the same position as the filament-type bulb, the existing bulb can be removed and used as it is without design change, and by obtaining a light emitting surface equivalent to that of the filament-type bulb, LED has the effect that it can implement a high-efficiency LED lamp.

In addition, according to the present invention, by providing a lamp housing and a substrate frame inserted into the lamp housing and a cover for fitting the lamp housing to be fixed to the lamp housing, a compact structure and assemblability reduce production costs as well as productivity. There is an effect that can be greatly improved.

1 is a perspective view of an LED lamp for a vehicle according to the present invention,
2 is a mounting example of the LED lamp for a vehicle according to the present invention,
3 is a partial cross-sectional view of the LED lamp for a vehicle according to the present invention,
4 is an exploded perspective view of the LED lamp for a vehicle according to the present invention,
5 is an exemplary view showing a substrate frame of a LED lamp for a vehicle according to the present invention;
6 is an exemplary view of assembling the LED lamp for a vehicle according to the present invention,
7 is another exemplary diagram of a substrate frame of the LED lamp for a vehicle according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the LED lamp for a vehicle according to the present invention.

First, the LED lamp for a vehicle according to the present invention consists of a lamp housing in which a light window is formed in a longitudinal direction by arranging a plurality of pillars between the upper cap and the lower cap, but consisting of an upper cap and a hollow lower cap. LEDs are mounted to correspond to the light window, and circuit boards are printed on circuit boards to receive power from the outside.

1 and 2, the lamp housing 100 includes a substrate having a plurality of pillars 30 disposed between the outer circumferential surface of the upper cap 10 and the outer circumferential surface of the lower cap 20 so that the LED 211 is mounted inward. An accommodation space is formed to allow the frame 210 to be inserted therein, and a light window 40 is formed between the pillars 30 so as to emit the LED light to the outside. The number of LEDs 211 mounted on the substrate frame 210 corresponding to one light window 40 may vary depending on the amount of light of the LEDs.

In the substrate frame 210, an LED 211 is mounted on an outer surface thereof in a length direction, and a circuit is printed to supply power to the LED 211 from the outside. The substrate frame 210 may be electrically connected with a known wedge socket (not shown) or electrically connected to a light bulb base (reference numeral 30 in the related art) at an end thereof so that the substrate frame 210 may be mounted and used in the vehicle lamp socket 1 as it is. The electrode piece 212 may be provided.

According to the above technical configuration, since the LED lamp is assembled by mounting the LED 211 on the substrate frame 210 and inserting and mounting the substrate frame 210 on which the LED 211 is mounted to the lamp housing 100. The compact structure and assemblability can not only reduce production costs but also greatly improve productivity.

In addition, by mounting the LED 211 on the substrate frame 210 to form a light source at the same position as the light source of the filament bulb, the existing lamp socket (1) can be used as it is, by increasing the reflectance of the light to a small number of LED High efficiency LED lamp can be realized.

In addition, since the LED 211 and the substrate frame 210 are protected by the lamp housing 100, durability of the LED lamp may be further improved.

Next, the upper cap is formed on the upper surface of the refraction window having a reflecting surface inclined outward in correspondence with the upper LED so that the light emitted from the LED mounted on the upper side of the substrate frame can be forward.

1 and 3, the substrate frame 210 is mounted with an LED 211 of the main light source so as to form a light source at the same position as the light source of the existing filament bulb, and above and below the substrate frame 210. The LEDs 211a and 211b of the sub-light sources for maintaining the brightness of the light emitting surface uniformly are mounted, respectively. The secondary light source LED 211b will be described later.

The upper cap 10 is provided with a refracted window 11 on the upper surface of the upper cap 10 so as to irradiate the secondary light source provided on the upper side of the substrate frame 210 to maintain the brightness of the light emitting surface uniformly. The refraction window 11 has a reflecting surface 12 inclined outward on the front surface of the LED 211a so as to irradiate the light emitted from the LED 211a of the secondary light source forward.

According to the above technical configuration, the light emitting surface formed by the main light source and the light emitting surface formed by the sub light source LED 211a of the upper cap 10 are added to maintain the brightness of the overall light emitting surface of the LED lamp uniformly when viewed from the front. have.

Next, the above-described pillar extends from the upper cap to form a fastening protrusion at an end thereof, and the lower cap is formed to have a fastening groove corresponding to the fastening protrusion on its inner circumferential surface to be detachably assembled with the upper cap.

Referring to FIG. 4, the upper cap 10 has a pillar 30 integrally formed and a fastening protrusion 31 is formed at an end of the pillar 30. The lower cap 20 has a fastening groove 21 formed on an inner circumferential surface thereof corresponding to the fastening protrusion 31.

Therefore, the fastening protrusion 31 formed at the end of the pillar 30 is fastened to the fastening groove 21 of the lower cap 20 so that the upper cap 10 and the lower cap 20 are detachably assembled.

According to the above technical configuration, it is easy to manufacture the mold by divided production of the upper cap 10 and the lower cap 20, the pillar 30 is integrally formed on the upper cap 10 to improve the productivity according to the reduction of parts You can.

Next, the above-described lower cap may be configured to reflect forward light emitted from the first lower cap detachably assembled to the pillar and the LED mounted below the substrate frame and separated by a rib formed from the first lower cap. And a ring-shaped second lower cap having a groove reflecting surface formed thereon.

Referring to FIG. 4, the lower cap 20 includes a first lower cap 20A and a second lower cap 20B. The first lower cap 20A has a fastening groove 21 formed on an inner circumferential surface thereof corresponding to the fastening protrusion 31 at the end of the pillar 30. Therefore, the fastening protrusion 31 of the end of the pillar 30 is fitted into the fastening groove 21 of the first lower cap 20A, and the first lower cap 20A is detachably assembled to the upper cap 10.

The second lower cap 20B is spaced apart by the ribs 22 radially formed from the first lower cap 20A. The second lower cap 20B has a ring-shaped groove reflecting surface 23 inclined outward on an inner circumferential surface thereof. Therefore, the light emitted from the LED 211b of the sub light source mounted on the lower side of the substrate frame 210 can be reflected and irradiated forward.

According to the above technical configuration, the light emitting surface formed by the main light source LED 211 and the light emitting surface formed by the sub light source LED 211a of the upper cap 10 and the sub light source LED 211b of the second lower cap 20B. All the light emitting surfaces formed by) are added to keep the brightness of the overall light emitting surface of the LED lamp more uniform when viewed from the front.

Next, the above-described substrate frame is placed in the form of an H beam by placing two substrates facing each other and padding the substrates on both sides thereof.

Referring to FIG. 5, the substrate frame 210 is manufactured in the form of a bar to supply power to the mounted LED 211 by receiving power from the outside. Preferably, a circuit printed circuit board (PCB) is laminated and manufactured in the form of an H beam.

That is, two substrates are disposed to face each other, and the substrates are padded on both sides to form H beams. Therefore, four light emitting surfaces for mounting the LED 211 can be obtained.

According to the above technical configuration, the substrate frame 210 has a compact structure and excellent durability by stacking the substrate to form a bar.

In addition, the soldering to connect the substrate and the circuit of the substrate, since the substrate is fixed to each other during the soldering process can be easily assembled the substrate frame 210.

Next, the above-described lamp housing is provided with a cover that is built in the lower portion of the substrate frame to be fitted into the lower cap so as to fix the substrate frame inserted into the inside.

Referring to FIG. 6, the lamp housing 100 has a light window 40 formed in a longitudinal direction. The substrate frame 210 has an LED 211 mounted to correspond to the light window 40 by stacking the substrate in the form of an H beam.

In addition, the cover 310 is arranged in the substrate frame 210 so that the electrode can be exposed to the outside.

Therefore, the substrate frame 210 is inserted and mounted in the lamp housing 100, the mounted LED 211 is located in the light window 40, the cover 310 is fitted to the inner peripheral surface of the lower cap 20 of the lamp housing 100 It is firmly installed in the lamp housing 100 by). At the same time the lower cap 20 of the lamp housing 100 is closed by a cover 310.

According to the above technical configuration, the substrate frame 210 is easily fixed and mounted only by inserting it into the lamp housing 100 as the cover 310 is arranged at the rear end.

In addition, the space for mounting the LED 211 and the space for mounting the circuit element 214 for driving the LED 211 (rear end of the substrate frame) are divided by the cover 310 to form the circuit element 214. By acting as a blocking wall so that heat generated in the LED 211 is not transmitted, it is possible to prevent the degradation of the LED 211 and to drive stably.

Next, the above-described substrate frame is arranged to face the two substrates and the substrates on both sides of the substrate to form the H-beam to mount the LEDs on each of the four surfaces to prevent the cover from falling back The rear end of the substrate disposed facing each other is composed of an extension plate wider than the width of the snow hole drilled in the cover.

Referring to FIG. 7, a snow hole 311 is drilled in the cover 310 so that the substrate frame 210 can be fitted in the state in which the LED 211 is mounted, and the substrate frame 210 faces the substrate frame 210. An extension plate 213 is formed at the rear end. The LEDs 211 are mounted on the outer surfaces of the substrates facing each other, and the side substrates are padded to protrude more than the LEDs 211 mounted on these substrates, and the LEDs 211 are respectively provided on the outer surfaces of the side substrates. It is mounted. Therefore, the cover 310 has a hole in the oval shape of the oval 311 so as to fit the substrate frame 210 on which the LED 211 is mounted.

According to the above technical configuration, since the cover 310 built in the substrate frame 210 is supported by the expansion plate 213 behind the substrate frame 210, the cover 310 can be prevented from falling out rearward, It is perforated in an oval shape to prevent rotation on the substrate frame 210 so that soldering work for connecting circuits can be easily performed.

Next, the circuit element for driving the LED is mounted on the cover or the expansion plate of the substrate frame to be spaced apart from the LED so that heat generated during the LED driving is not transferred to the LED.

Referring to FIG. 6, a circuit element 312 for driving the LED 211, for example, a resistor, is mounted on the cover 310 so that the circuit element 312 is spaced apart from the LED 211 so that the circuit element 312 may be separated from the LED 211. It is possible to minimize the heat generated is transferred to the LED (211).

In addition, the circuit element 214 for driving the LED 211 is mounted on the expansion plate 213 of the substrate frame 210 to cover the mounting space of the LED 211 and the circuit element 214 by the cover 310. The space may be partitioned to prevent heat generated in the circuit element 214 from being transmitted to the LED 211 as well as to be discharged to the outside.

According to the above technical configuration, as the circuit elements 214 and 312 are spaced apart from the LED 211, the LED can be prevented from deteriorating and stable driving is possible.

Next, in the light window formed by the above-described pillar, reflective surfaces protruding in parallel with the LEDs are formed on both sides thereof to collect the light emitted from the LEDs.

1 and 2, the light emitted from the LED mounted on the substrate frame 210 is not irradiated in parallel but diffuses at a predetermined wide angle.

The light window 40 formed by the pillar 30 has a reflection surface 41 protruding in both directions parallel to the LED 211 to condense the light emitted from the LED 211 to form parallel light.

According to the above technical configuration, the light window 40 condenses the light emitted from the LED 211 mounted on the substrate frame 210 with parallel light of a predetermined width to irradiate high density light toward the reflecting plate 2, These lights are reflected forward through the reflecting plate 2 to further improve the brightness of the light.

The above description is a preferred embodiment of an LED lamp for a vehicle to help understand the technical idea of the present invention, and does not limit the technical idea of the present invention and can be implemented in various forms by the matters described in the utility model registration claims. Reveal.

1: lamp socket
2: reflector
10: upper cap
11: refraction window
12: reflective surface
20: lower cap
20A: first lower cap
20B: second lower cap
21: fastening groove
23: groove reflective surface
30: pillar
31: fastening protrusion
40: light window
100: lamp housing
210: substrate frame
211: LED
211a: upper LED
211b: Lower LED
212: electrode piece
213: extension
214: circuit element
310: cover
311: Snowman
312: circuit element

Claims (9)

A lamp housing comprising an upper cap and a hollow lower cap, wherein a plurality of pillars are disposed between the upper cap and the lower cap to form a light window in a longitudinal direction;
A substrate frame inserted into the lamp housing and mounted with an LED corresponding to the light window, and printed with a circuit to receive power from the outside;
The LED lamp for a vehicle, characterized in that the cover is installed under the substrate frame and fixed to the inside of the lower cap so as to secure the substrate frame in the lamp housing to seal the lower cap. The method of claim 1,
And the upper cap has a refractive window having a reflective surface inclined outwardly in correspondence with the LED so as to irradiate light emitted from the LED mounted on the upper side of the substrate frame on the upper surface thereof. The method of claim 1,
The pillar extends from the upper cap to form a fastening protrusion at an end thereof, and the lower cap is formed with a fastening groove corresponding to the fastening protrusion on an inner circumferential surface thereof so as to be detachably assembled with the upper cap. LED lamp for car. The method of claim 1,
The lower cap is a first lower cap detachably assembled to the pillar,
And a ring-shaped second lower cap spaced by ribs extending from the first lower cap and having a groove reflecting surface to reflect light emitted from an LED mounted below the substrate frame in a forward direction. LED lamp for car. The method of claim 1,
The substrate frame is a vehicle LED lamp, characterized in that the two substrates are arranged facing each other and the substrates on both sides are made in the form of an H beam. delete The method of claim 1,
The substrate frame is arranged so that two substrates face each other and the substrates are placed on both sides of the substrate to form H beams so that the LEDs are mounted on four sides of the substrate frame so as to prevent the cover from falling back. LED lamp for a vehicle, characterized in that the rear end of the substrate is made of an extension plate wider than the width of the snow hole perforated in the cover. 8. The method of claim 7,
The circuit element for driving the LED is a vehicle LED lamp, characterized in that mounted on the cover or the expansion plate of the substrate frame to be spaced apart from the LED so that heat generated during the LED driving is not transferred to the LED. The method of claim 1,
The light window formed by the pillar is a LED lamp for a vehicle, characterized in that the reflection surface protruding in parallel with the LED on both sides so as to collect the light emitted from the LED.

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