KR200449377Y1

KR200449377Y1 - Light emitting diode socket

Info

Publication number: KR200449377Y1
Application number: KR2020080003232U
Authority: KR
Inventors: 김현수
Original assignee: 김현수
Priority date: 2008-03-12
Filing date: 2008-03-12
Publication date: 2010-07-06
Also published as: KR20090009273U

Abstract

The present invention relates to an LED (LED) socket, for example, by mounting a SMD-type LED applied to a large display board, indoor and outdoor signs, traffic lights and various display devices to the printed circuit board (PCB) using the socket, The present invention relates to an LED socket which is easy to maintain and reduce an error rate caused by heat in the process of directly mounting an LED on a circuit board (PCB).

According to the present invention, a connection terminal mounted on a printed circuit board is formed at a lower portion, an insertion groove having an open upper side is formed at an upper portion, and an internal terminal contacting with a connection terminal of an LED coupled to the insertion groove is formed at the connection terminal. And a through hole is formed at both sides of the central portion of the insertion groove, and a ventilation hole is formed in the lower portion of the insertion groove, and the ventilation hole is formed at both sides of the through hole. Characterized in that connected to the lower end.

LED, socket, surface mount element (SMD), printed circuit board (PCB), connection terminal, connection terminal, detachable, air cooling, maintenance

Description

LED socket {LIGHT EMITTING DIODE SOCKET}

The present invention relates to an LED socket, and more particularly, the SMD type LED is mounted on a printed circuit board (PCB) such as a large display board, an indoor / outdoor signage, a traffic light, and various display devices by using the socket, thereby easily attaching and detaching the LED. And it relates to an LED socket that can minimize the aging caused by the heat generated during the operation of the LED.

In general, LED (LED) is largely divided into a lamp type and SMD type, the lamp type is stacked in a transparent mold (MOLD) is provided with a semiconductor (LED chip) inside.

In the mold, an epoxy resin, which is a kind of plastic, is used. The mold serves as a lens that protects the interior and collects the generated light.

The lower end of the LED is provided with connection terminals on both sides, and both connection terminals serve as electrodes, and a negative electrode and a positive electrode for supplying power to the semiconductor chip are formed in the mold, and the semiconductor chip has a predetermined electrode. On top of it, for example, a gold wire (WIRE) of gold is used to connect the electrode and the semiconductor chip.

The SMD type stands for SURFACE MOUNT DEVICE, and does not solder the legs of the LED into the connection holes of the PCB, but the LED is mounted on the PCB. Use by soldering.

Therefore, SMD type LEDs can be miniaturized and are mainly used for mobile devices such as mobile phones.

However, SMD-type LEDs mounted on a printed circuit board (PCB) melt a solder cream by applying a heat source of high temperature for electrical connection with the printed circuit board (PCB) and melt the solder cream on the printed circuit board (PCB). Since a reflow (REFLOW) process of stably joining the LEDs is required, there is a problem in that the LEDs are damaged by high temperature heat in the reflow process.

In addition, once the SMD-type LED (LED) is mounted on a printed circuit board (PCB), it is very difficult to attach and detach, it is inconvenient to maintain and upgrade, excessive heat generated during long time light emission, and neighboring LEDs Due to the increase in the ambient temperature there was a problem that the life of the LED is shortened.

Therefore, the present invention is devised to solve the above problems, for example, a connection terminal mounted on a printed circuit board is formed at the bottom, an insertion groove having an upper side is formed at the top, and the insertion groove It is an object of the present invention to provide an LED socket electrically connected to the connection terminal is formed in contact with the connection terminal of the inserted LED coupled.

In addition, another object of the present invention is a through hole is formed on both sides of the central portion of the insertion groove, a ventilation hole is formed in the lower portion of the insertion groove, the ventilation hole is connected to the LED socket connected to the lower end of the through hole formed on both sides The purpose is to provide.

LED socket according to the present invention for achieving the above object, the connection terminal mounted on the printed circuit board is formed in the lower portion, the upper side of the insertion groove is formed in the upper, the insertion groove is inserted into the LED An inner terminal is formed in contact with the connecting terminal of the characterized in that it is electrically connected to the connecting terminal.

Both sides of the central portion of the insertion groove of the present invention is characterized in that the through hole is formed.

Ventilation hole is formed in the lower portion of the insertion groove of the present invention, characterized in that the ventilation hole is connected to the lower end of the through hole formed in both sides.

The insertion groove of the present invention is characterized in that any one of a square, a rectangle, a triangle, a pentagon, a hexagon, and a circular shape corresponding to the shape of the surface mount device (SMD) LED.

The insertion groove and the ventilation hole of the present invention is characterized in that formed at least one or two or more.

The LED socket according to the present invention configured as described above, for example, by mounting the LED of the SMD type to the printed circuit board (PCB) using the socket, by the heat in the process of mounting the LED directly on the printed circuit board (PCB) It is possible to reduce the error rate that occurs, easy to remove the LED is easy to maintain the effect.

In addition, the present invention has the advantage of extending the life of the LED by air cooling the heat generated through the LED for a long time by arranging the ventilation hole of the socket between the surface of the PCB and the lower surface of the LED.

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

1 is a conceptual diagram illustrating an LED socket according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the LED socket according to an embodiment of the present invention.

First, the LED socket according to the present invention, for example, as shown in Figures 1 and 2, to be applied to a large billboard, indoor and outdoor signs, traffic lights and various display devices, the lower portion of the LED socket 10 Connection terminals 16 and 17 mounted directly on the printed circuit board (PCB) are formed, and an insertion groove 11 having an open upper side is formed at an upper portion thereof.

The insertion groove 11 is formed of any one of a square, a rectangle, a triangle, a pentagon, a hexagon, and a circle corresponding to the shape of a surface mount device (SMD) LED. Describe.

In the insertion groove 11, internal terminals 14 and 15 contacting the connection terminals 2 formed on both sides of the SMD LED 1 are formed, and the connection terminals 16 and 17 mounted directly on the printed circuit board (PCB). Is electrically connected).

On both sides of the central portion of the insertion groove 11, for example, rectangular through-holes 12 and 13 are formed, which facilitates the removal and removal of the SMD LED 1 into the insertion groove 11. In addition, a space is formed on the side surface of the SMD LED 1 to serve to cool the heat generated during the operation of the SMD LED 1.

In the lower portion of the insertion groove 11, for example, a rectangular ventilation hole 18 is formed, and the ventilation hole 18 is connected to the lower ends of the through holes 12 and 13 formed at both sides thereof. By forming a space on the lower surface of the SMD LED (1) serves to cool the heat generated during the operation of the SMD LED (1).

3 is a conceptual diagram for explaining the LED socket according to the second embodiment of the present invention, for example, the LED socket according to the second embodiment of the present invention, as shown in Figure 3, a large billboard, indoor and outdoor signs, traffic lights And a plurality of connection terminals 260 and 270 directly mounted on a printed circuit board (PCB) are formed at the lower portion of the LED socket 200, and the insertion groove 210 having an upper side open at the top thereof. ) Is formed in plural.

Here, the number of the insertion grooves 210 is, for example, at least three or more so that the three colors of the LED, such as red (RED), green (Green), blue (BLUE) is inserted in accordance with the light emitting color of the SMD LED (1) It is preferable to form.

The insertion groove 210 is formed of any one of a square, a rectangle, a triangle, a pentagon, a hexagon, and a circle corresponding to the shape of the surface mount device (SMD) LED.

Through holes 220 and 230 are formed at both sides of the central portion of the insertion groove 210, and the through holes 220 and 230 between the insertion groove 210 and the insertion groove 210 are connected to each other. By forming a space on the side of the SMD LED (1) serves to cool the heat generated during the operation of the SMD LED (1).

The lower portion of the insertion groove 210, the ventilation hole 280 is formed, is connected to the lower end of the through holes 220, 230 formed on both sides of the central portion of the insertion groove 210, the SMD LED (1) It forms a space on the lower surface of the serves to cool the heat generated during the operation of the SMD LED (1).

4 is a conceptual diagram for explaining the LED socket according to the third embodiment of the present invention, for example, the LED socket according to the third embodiment of the present invention, as shown in Figure 4, a large billboard, indoor and outdoor signs, traffic lights And it is applied to a variety of display devices, etc., the upper portion of the LED socket 300, the upper side of the insertion groove 310 is formed in a plurality of rows and columns, the lower portion of the connection hole formed in the printed circuit board (PCB) A plurality of connection terminals 360 and 370 which are inserted into and soldered to each other are formed.

Here, the number of rows and columns of the insertion groove 310 may be set according to the shape of the image to be expressed, for example, and may be made of curved lines and diagonal lines.

The insertion groove 310 is formed of any one of a square, a rectangle, a triangle, a pentagon, a hexagon, and a circle corresponding to the shape of the surface mount device (SMD) LED.

Through holes 320 and 330 are formed at both sides of the central portion of the insertion groove 310, and the through holes 320 and 330 between the insertion groove 310 and the insertion groove 310 are connected to each other. By forming a space on the side of the SMD LED (1) serves to cool the heat generated during the operation of the SMD LED (1).

A ventilation hole 380 is formed in the lower portion of the insertion groove 310, and is connected to the lower ends of the through holes 320 and 330 formed at both sides of the central portion of the insertion groove 310, and the SMD LED 1 is formed. It forms a space on the lower surface of the serves to cool the heat generated during the operation of the SMD LED (1). Here, the insertion groove 310 and the ventilation hole 380, at least one or two or more are formed.

As described above, the present invention mounts an SMD-type LED on a printed circuit board (PCB) using an LED socket, so that the LED is easily attached and detached, and a ventilation hole is applied to prepare for heat, thereby making it easier to work with. It can extend the LED life.

In addition, the LED is easily attached to or detached from the printed circuit board (PCB), thereby making it easy to maintain and ventilating heat generated during the operation of the LED, thereby extending its life even in a long time use.

Meanwhile, the through holes 12, 13, 220, 230, 320, and 330 or the ventilation holes 18, 280, and 380 of the LED socket may be formed of a material such as metal, aluminum, ceramic, and flexible, for example. Various shapes of heat sinks (HEAT SINK) can be used by fitting.

In addition, the heat sink corresponds to the size of the SMD LED inserted into the LED socket, the through holes 12, 13, 220, 230, 320, 330 and the ventilation holes (18, 280, 380) of the LED socket. It will dissipate the surface heat of the SMD LED being transmitted.

As described above, preferred embodiments of the present invention are disclosed for the purpose of illustration, and those skilled in the art, within the technical spirit and the technical scope of the present invention disclosed in the utility model registration claims attached below, and various other embodiments They may be improved, modified, replaced or added.

1 is a conceptual diagram for explaining the LED socket according to an embodiment of the present invention.

Figure 2 is an exploded perspective view of the LED socket according to an embodiment of the present invention.

3 is a conceptual view illustrating an LED socket according to an embodiment of the present invention.

4 is a conceptual diagram illustrating an LED socket according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1: SMD LED 2: Connector

10: LED socket 11: Insertion groove

12, 13 through hole 14, 15: internal terminal

16, 17: connection terminal 18: ventilation hole

200, 300: LED socket 210, 310: Insertion groove

220,230,320,330: Through hole 240,250,340,350: Internal terminal

260, 270: connection terminal 280, 380: ventilation hole

360, 370: Connector

Claims

In the LED socket,

In the LED socket, a connection terminal mounted on the printed circuit board is formed at a lower portion thereof, and an insertion groove into which a surface mount device (SMD) LED is inserted is formed at an upper portion thereof, and the surface mounting element LED inserted into the insertion groove is inserted into the LED socket. An inner terminal is formed in contact with the connection terminal of the electrically connected to the connection terminal,

LED sockets, characterized in that through holes are formed on both sides of the insertion groove, and a ventilation hole is formed at the lower end of the insertion groove so as to be connected to the lower end of the through hole.

The method of claim 1,

The insertion socket and the ventilation hole, LED socket, characterized in that formed at least one or two or more.

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