KR200336197Y1 - Front irradiating Light using by LED - Google Patents

Abstract

The present invention is to devise an LED lamp, such as a bulb using an LED, and in particular, an LED lamp that extends its life.

The present invention is to be housed in the circumferential partition 11 of the heat dissipation fin (1) and the heat dissipation fin (1) integrally with the central portion (12); A cooling fan (2) for forcibly circulating air, and a circuit board (3) controlled to rectify and supply AC power by direct current, and being attached to the rear of the heat dissipation fin (1), the socket being electrically connected to the receptacle for incandescent lamps. (5) and a plurality of LEDs (4) arranged in a metal PCB 43 attached to the upper surface of the central portion 12 of the heat radiation fin (1).

Therefore, the present invention provides a structure that is inserted into a receptacle for incandescent light bulbs as a front irradiation for an LED, so that high illuminance can be obtained even with low electric energy, and an LED can be integrated and disposed only on the front surface to provide a structure. By limiting the direction, it is possible to obtain the appropriate illuminance according to the user's request. In particular, by providing an efficient cooling structure, it is an effective and practical design to maximize the life while showing sufficient performance even in continuous use.

Description

Front irradiating light using LED

The present invention is to devise a front light for the LED, such as a light bulb, such as a light bulb, in particular to extend the life of the LED using the LED.

The lamp is a tool that allows the user to identify objects even in the dark by converting electrical energy into light energy by supplying power, and has been a catalyst for revolutionizing the development of human civilization. For example, incandescent lamps developed for the first time are not used even though they generate more heat than light and can be manufactured at low cost, and fluorescent lamps have been improved to solve these shortcomings. Although the ratio of switching to light energy is large, it has the advantage of saving energy, but it has been demanding a new medium due to the long time required for lighting and its short life.

The light emitting diode (LED) was developed in response to this, although the manufacturing cost is still inexpensive, but it has a long lifetime of more than 3 years without any special repair for one company because it has high illumination with small power. It is a big favor as a future light.

The apparatus for illuminating by using LEDs includes an incandescent lamp lamp using a fluorescent LED lamp of Korean Patent Laid-Open Publication No. 2003-0014951 and a bulb formed by stacking an LED module in Publication No. 2003-0008770.

The electron is an incandescent lamp type lamp using a fluorescent light LED, as shown in Figure 5, the device for emitting the LED using a DC voltage and a reflector attached to the rear of the light emitting unit and a transparent lens attached to the front to transmit light evenly Device. Therefore, it is possible to control the intensity of light according to the usage, to save energy and protect the eyesight of the user, to have semi-permanent lifespan, and to have the advantage of being an advanced light bulb that does not affect the change of ambient temperature. However, LEDs (light emitting diodes) have a disadvantage that their efficiency decreases due to heat generation when used for a certain period of time, as well as their heat generation increases due to their continuous use.

In addition, the latter, as shown in Figure 6, in the bulb formed of a bulb in the form of a bulb and a conventional screw type, the external commercial power source between the lower end of the bulb 40 and the socket 10 A power supply unit 20 which receives an input and supplies a current in a PWM method; A multi-layered LED substrate (31, 32, 33) having a plurality of LED basic modules (300) in a hexagonal shape on top of the power supply (20); It is made of a connecting column (340) for supplying and fixing power to the multi-layered LED substrate (31, 32, 33). Therefore, in order to obtain the high quality white light, the hexagonal structure that can place the largest LED in the smallest form, the LED module using the three primary colors of light red, green, blue LED to form an LED module and stacked in a multi-layered light bulb and It has the advantage of providing a light bulb laminated with LED modules with a built-in power supply circuit capable of supplying suitable power, but the irradiated light is radial, so the illuminance decreases significantly with distance, which also reduces the lifespan due to heat generation. The reality is that the problem is not improving.

The present invention was devised to solve the above problems, and provides a structure that is inserted into a receptacle for incandescent bulbs as a lamp using an LED, so that high illuminance can be obtained even with low electric energy, and the LED is integrated only on the front surface. By providing a structure that can be used to limit the direction of irradiation to obtain the appropriate illuminance according to the user's needs, in particular to provide an efficient cooling structure to maximize the life while maintaining sufficient performance even in continuous use. This will be described in detail below with reference to the drawings.

1 is a configuration state of the present invention,

2 is a development state of the configuration of the present invention,

Figure 3 is a longitudinal cross-sectional view of the configuration state of the present invention,

4 is an enlarged view of a portion A extracted from FIG. 3;

Figure 5 is a plan view of the configuration state of the prior art,

Figure 6 is a plan view of the configuration state of another conventional design.

* Explanation of symbols for main parts of the drawings

1.heat radiation fin

11. Bulkhead 12. Central part

2. Cooling Fan

20. Power supply

3. Circuit Board

31. Aisle

4. LED

40. Bulb 43. Metal printed circuit board (PCB)

44. Cover

5. Socket

6.Lens

Ai. Air Line B. Bond

1 is a configuration state diagram of the present invention, Figure 2 is a development view showing the separation of the components of the present invention so as to know the internal structure.

According to the present invention, as shown in the drawing, the heat dissipation fin 1 integrally with the central portion 12 to form the circumferential partition 11 and the circumferential partition 11 of the heat dissipation fin 1; A cooling fan (2) for forcibly circulating air, and a circuit board (3) controlled to rectify and supply AC power by direct current, and being attached to the rear of the heat dissipation fin (1), the socket being electrically connected to the receptacle for incandescent lamps. (5) and a plurality of LEDs (4) arranged in a metal PCB 43 attached to the upper surface of the central portion 12 of the heat radiation fin (1).

Figure 3 is a longitudinal sectional view of the present invention, Figure 4 is an enlarged cross-sectional view showing only the portion A of Figure 3 so that the details of the present invention.

In the above configuration, it is preferable that each of the plurality of LEDs 4 arranged on the metal PCB 43 is covered with a transparent cover 44.

Reference numeral 6 is not a required configuration of the present invention as a lens, but may be added to collect the light of the irradiation light of the present invention irradiated to the front (front) or to make a parallel light.

The operation of the present invention configured as described above will be described in detail below with reference to FIG. 3.

According to one configuration of the present invention, the present invention is divided into a heat dissipation fin (1), a cooling fan (2) accommodated in the heat dissipation fin (1) and a circuit board (3) and a metal PCB (LED 4) is arranged ( 43) and the socket 5, which is unitized, is convenient for mass production, and the components of each part function as follows.

First, the heat dissipation fin 1 is integrated with the central portion 12 to form a circumferential partition 11, but the cooling fan 2 circuit board 3 to be described later inside the central portion 12 and the circumferential partition 11. ), While the air supplied from the cooling fan 2 collides in the central portion 12 and passes between the partitions 11, 11, ... (see line Ai in FIG. 3), the heat is faithfully absorbed. 12 and the columnar partition 11 are always kept cool at a constant temperature.

In addition, while the cooling fan 2 is housed inside the heat dissipation fin 1 and protected from external shocks, etc., the cooling fan 2 blows air to the heat dissipation fin 1 side by forcibly circulating the air, thereby cooling the air. In order to increase efficiency, when each component is united by an outer shell such as a case, it is preferable to provide a ventilation portion at a predetermined portion of the case so that fresh air is circulated at all times. It is obvious that it does not escape.

In addition, the circuit board 3 is also housed in the heat dissipation fin 1, which is controlled to rectify and supply AC power to DC. The supplied DC power is a plurality of LEDs 4 and cooling fans 2 to be described later. In order to operate properly, the passage 31 through which air passes through the center of the circuit board 3 can further improve the cooling efficiency.

Moreover, a number of LEDs (4) The metal PCB 43 is arranged to be attached to the upper surface of the center portion 12 of the heat dissipation fin 1, the power is properly supplied to the LED (4) by the metal PCB 43 is to emit the LED (4) Although the LED 4 is a device that emits electric power by generating power, some heat is generated together with the light. However, this means that the metal PCB 43 is formed by the metal bond (B) or the thermal conductive bond. 12) the heat is smoothly absorbed by the heat radiating fins (1) cooled in close contact with each other so that the operation is always performed in an optimal state. In addition, the LED 4 may be an LED package in which a single unit or a plurality of modules is used as a single unit, and in this case, it is preferable to adopt a method of inserting an LED socket into an LED socket for electrical connection. However, other methods may be appropriately employed depending on the design of the circuit board 3.

Finally, the socket (5) is attached to the rear of the heat dissipation fin (1) is to be electrically connected to the receptacle for incandescent bulbs, the LED lamp of the present invention in order to be used in place of the incandescent bulb incandescent socket 5 For example, even if it is a socket for fluorescent lamps or other sockets, this is a well-known technique, and it is obvious that it is within the technical scope of the present invention as it is a matter that can be easily changed by anyone skilled in the art. .

According to another configuration of the present invention, in addition to the basic configuration described above, each of the plurality of LEDs 4 arranged on the metal PCB 43 is covered with a transparent cover 44, so that each of the cover 44 The coating of the LED 4 module protects the LED 4 module from external shock and improves durability, while the cover 44 acts as a lens to collect the projected light and to easily adjust the scanning direction. Do. In addition, since the LED 4 is cooled by conduction, even if the top surface is covered with an insulator, heat is sufficiently transferred from the rear surface, so that the cover 44 does not interfere with the cooling of the LED 4.

The present invention provides a structure that is inserted into a receptacle for incandescent bulbs as a front irradiation for LEDs, so that high illuminance can be obtained even with a small amount of electric energy. By limiting, it is possible to obtain appropriate illuminance according to the user's demand. Especially, by providing an efficient cooling structure, it is effective and practical design to maximize the life while showing sufficient performance even in continuous use.

Claims (2)

A heat dissipation fin (1) integrally with the central portion (12) to form a circumferential partition (11); Being housed in the circumferential partition 11 of the heat radiation fin 1; A cooling fan 2 for forcibly circulating air, and a circuit board 3 controlled to rectify and supply AC power by direct current. A socket 5 attached to the rear end of the heat dissipation fin 1 and electrically connected to a receptacle for incandescent lamps; A plurality of LEDs (4) is arranged is a front irradiation light for the LED consisting of a metal PCB (43) attached to the upper surface of the center portion 12 of the heat radiation fin (1). The method of claim 1, The front irradiation lamp for the LED, characterized in that each of the plurality of LEDs (4) arranged on the metal PCB (43) is covered with a transparent cover (44).