KR101219193B1 - LED Structure for Lighting - Google Patents

Abstract

The present invention relates to an LED structure for illumination, and forms a socket mounting hole in a substrate, and protrudes the socket fixing protrusion penetrating the socket mounting hole to the lens socket for diffusing the light emitted from the LED, the socket fixing protrusion to the socket The lens socket is simply mounted on the substrate by penetrating through the mounting holes.

Description

LED Structure for Lighting

The present invention relates to a lighting LED structure, and more particularly to a lighting LED structure for mounting a lens socket for diffusing the light of the LED to the substrate.

In general, a lighting lamp is a light emitting device that emits light by receiving electric power, and there are various kinds of light bulbs, incandescent lamps, fluorescent lamps, mercury lamps, halogen lamps, and sodium lamps.

In general, incandescent lamps and fluorescent lamps are used for indoor lighting of buildings, and halogen lamps are mainly used for lighting of decorative displays or shops.

LED (Light Emitting Diode) has the advantages of small power consumption, semi-permanent lifespan, impact resistance and high precision, and does not use mercury or discharge gas like fluorescent lamps, so it does not cause environmental pollution. Since it is not necessary, a fast response speed can be obtained, and it does not emit harmful waves such as ultraviolet rays, and has the advantage of low irritation to the eyes.

LEDs are developed to be able to emit light with high power consumption and high brightness due to the development of technology, and the use of LED as a light source for lighting is gradually spreading.

The LED for illumination includes a chip-shaped LED mounted on the substrate and a lens socket mounted to the substrate such that the LED is disposed therein and diffusing light generated from the LED.

The lens socket is attached to the substrate with an adhesive such as epoxy.

Since the LED for lighting attaches the lens socket to the substrate at the time of manufacture, there is a problem in that it takes a long time until the adhesive is cured, and thus the manufacturing time is long.

In addition, the LED for illumination is a problem that the adhesive is fixed to the surface of the LED lens when the assembly is fixed to the lens lens when the defect occurs, the light efficiency is often a problem occurs.

In addition, the LED for lighting is attached to the substrate by the operator directly applying the adhesive to the lower surface of the lens socket, it takes a lot of work time to mount the lens socket and requires a lot of personnel, low productivity, large production cost according to labor costs There was an expensive problem.

SUMMARY OF THE INVENTION An object of the present invention is to provide an LED structure for lighting that simplifies the work process, shortens working time, reduces defect rate, reduces manufacturing cost, and improves productivity.

The object of the present invention is a substrate;

An LED mounted on the substrate;

The lens socket is mounted on the substrate such that the LED is disposed therein, and includes a lens socket having a reflective surface on an inner circumferential surface thereof to reflect light emitted from the LED.

The substrate has a plurality of socket mounting holes are formed to be spaced around the LED,

The lens socket protrudes a plurality of socket fixing projections penetrating the socket mounting hole,

The lens socket is solved by providing an LED structure for illumination, wherein the socket fixing protrusion is mounted to the substrate through the socket mounting hole.

The socket fixing protrusion according to the present invention includes a catching protrusion protruding from the outer peripheral surface of the hook portion.

The socket fixing protrusion according to the present invention includes a plurality of elastic locking pieces protruding from the lower locking jaw.

The LED structure for lighting according to the present invention further includes a substrate support block on which the substrate is mounted. The substrate support block according to the present invention has an insertion hole through which an end of the elastic locking piece is inserted at a position corresponding to the socket mounting hole. Is formed.

The socket fixing protrusion according to the present invention includes a protrusion part of which an end portion protrudes into a lower surface of the substrate; And a locking portion formed by melting the end of the protrusion with heat to engage the socket mounting hole.

The protrusion of the socket fixing protrusion according to the present invention partially protrudes through the socket mounting hole in a state in which the lens socket is seated on the substrate, and the locking portion heat-presses the end of the protrusion with a pressure heater. It is formed to protrude around the outer periphery of the protrusion and is caught by the socket mounting hole.

The socket fixing protrusion according to the present invention includes a protrusion part of which an end portion protrudes into a lower surface of the substrate; And a locking ring portion coupled to and fixed to an end portion of the protrusion projecting to the lower portion of the substrate and caught by the socket mounting hole.

The engaging ring portion according to the present invention is formed so that both ends are spaced apart, the elastic gap between the spaced apart, the first fitting projections project inward at both ends, the second fitting projections between the both ends inwardly Protrudingly formed, the outer circumferential surface of the protrusion is formed with a first fitting groove and a second fitting groove into which the first fitting protrusion and the second fitting protrusion are inserted.

The latching ring portion according to the present invention is formed with a shaft hole in which the projection is coupled to the shaft, a plurality of teeth protrude from the inner peripheral surface of the shaft hole.

The lens socket according to the present invention has a hollow portion which is penetrated up and down is formed on the substrate such that the LED is disposed in the hollow portion, and the hollow portion of the lens socket is formed in a cone shape that gradually increases in diameter toward the upper side. The inner circumferential surface is formed as a reflective surface.

The LED structure for lighting according to the present invention does not use an adhesive, and the lens socket can be easily mounted on the substrate, thereby greatly reducing the defect rate during manufacturing.

LED structure for lighting according to the present invention takes less labor costs during manufacturing, shorten the manufacturing time has the effect of reducing manufacturing costs, improving productivity.

1 is an exploded perspective view showing a first embodiment of the LED structure for illumination according to the invention according to the present invention
2 to 3 are cross-sectional views showing a first embodiment of the LED structure for lighting according to the present invention according to the present invention
Figure 4 is an exploded perspective view showing a second embodiment of the LED structure for illumination according to the present invention
Figure 5 is a cross-sectional view showing a second embodiment of the LED structure for lighting according to the present invention
6 to 8 are cross-sectional views showing a third embodiment of the LED structure for illumination according to the invention
Figure 9 is an exploded perspective view showing a fourth embodiment of the LED structure for lighting according to the present invention
10 is a cross-sectional view showing a fourth embodiment of the LED structure for illumination according to the invention
11 is a longitudinal sectional view of the socket fixing protrusion in the fourth embodiment of the LED structure for lighting according to the present invention;
12 is an exploded perspective view showing a fifth embodiment of the LED structure for lighting according to the present invention
Figure 13 is a cross-sectional view showing a fifth embodiment of the LED structure for lighting according to the present invention
14 is an enlarged view of a portion A of FIG. 13;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 2, the LED structure for lighting according to the present invention includes a substrate 10, and the LED 10 in the form of a chip is mounted on the substrate 10. The substrate 10 is a printed circuit board (PCB) printed circuit for supplying power to the LED-shaped LED 20 mounted on the upper surface to cause the LED 20 to emit light. Metal printed circuit boards are used.

The LED 20 has a chip shape and includes an LED chip mounted on an upper surface of the substrate 10 to emit light, and a lens unit surrounding the LED chip. The lens unit controls the refractive index of light emitted from the LED chip.

The lens socket 30 is mounted on the substrate 10 such that the LED 20 is disposed therein. The lens socket 30 is mounted on the substrate 10 such that the hollow part 31 penetrated up and down is formed so that the LED 20 is disposed in the hollow part 31. The hollow part 31 of the lens socket 30 is formed in a cone shape that gradually increases in diameter toward the upper side, and an inner circumferential surface is formed as a reflective surface. The lens socket 30 has a cone-shaped hollow portion 31 which is gradually increased in diameter toward the light emitting side, and an inner circumferential surface of the hollow portion 31 is formed as a reflective surface to emit light from the LED 20. The light is reflected through the reflective surface and diffused.

In addition, a lens (not shown) is mounted on an upper side of the lens socket 30, that is, an outlet side from which light is emitted.

The substrate 10 has a socket mounting hole 11 formed around the LED 20. A plurality of socket fixing protrusions 40 penetrating through the socket mounting hole 11 protrude downward from the lens socket 30.

The socket fixing protrusion 40 is formed to protrude from the lower surface of the lens socket 30, the socket mounting hole 11 is formed corresponding to the position of the socket fixing protrusion 40 is the socket fixing protrusion ( 40) penetrate and join.

The socket fixing protrusion 40 includes a catching protrusion 45 in which the hook portion 45a protrudes from the outer peripheral surface of the lower portion.

The locking protrusion 45 is elastically bent and the hook portion 45a is returned to its original position after passing through the socket mounting hole 11 so that the hook portion 45a is caught by the socket mounting hole 11. do.

The locking protrusion 45 may be modified in any structure in which the hook portion 45a is caught by the socket mounting hole 11 after passing through the socket mounting hole 11. Be included.

For example, the hook portion 45a protrudes toward the outer side of the lens socket 30 from the locking protrusion 45. Referring to FIG. 3, the hook portion 45a is the locking protrusion ( 45 may protrude toward the central side of the lens socket 30.

4 to 5, the socket fixing protrusion 40 includes a plurality of elastic locking pieces 41 having protrusions 41a protruding from the lower circumferential surface thereof. The elastic locking piece 41 is projected on the outside of the lower end of the engaging jaw (41a) is protruding and bent so that the locking jaw (41a) can pass through the socket mounting hole 11, the locking jaw (41a) ) Is returned to its original position after passing through the socket mounting hole 11, and the locking jaw 41a is caught by the socket mounting hole 11.

When the lens socket 30 passes the socket fixing protrusion 40 through the socket mounting hole 11, the locking jaws 41a of the plurality of elastic locking pieces 41 pass through the socket mounting hole 11. After being returned to its original position, it is simply mounted on the substrate 10.

The elastic locking piece 41 is mounted on the substrate 10 in a state where the locking jaw 41a is caught by the socket mounting hole 11 and the lens socket 30 is firmly fixed.

In addition, the LED structure for lighting according to the present invention may further include a substrate support block 50 on which the substrate 10 is mounted, and the substrate support block 50 corresponds to the socket mounting hole 11. An insertion hole 51 into which an end of the elastic locking piece 41 is inserted is formed in the insertion hole 51.

The insertion hole 51 protrudes to the lower portion of the substrate 10 so that a portion in which the locking step 41a of the elastic locking piece 41 which is caught by the socket mounting hole 11 is formed is inserted.

The insertion hole 51 is larger than the socket mounting hole 11 and formed to be the same as or larger than the maximum diameter of the socket fixing protrusion 40 in which the locking jaw 41a is formed, and thus the lower end of the socket fixing protrusion 40. The substrate 10 may be inserted in close contact with the upper surface of the substrate support block 50.

Meanwhile, referring to FIGS. 6 to 8, the socket fixing protrusion 40 fuses the end portion of the protrusion part 42 and the end portion of the protrusion part 42 by heat to the bottom surface of the substrate 10. It may also include a locking portion 43 formed to be caught by the soget mounting hole.

As shown in FIG. 3, the protrusion 42 of the socket fixing protrusion 40 penetrates through the socket mounting hole 11 in a state in which the lens socket 30 is seated on the substrate 10. It protrudes. And, as shown in Figure 4 by using the pressure heater 60 by heating the pressure of the end of the protrusion 42 is projected around the outer periphery of the protrusion 42 to the end of the protrusion 42 mounted the socket The catching part 43 caught by the hole 11 is formed.

The pressurized heater 60 includes a pressurization hole 61 having a diameter larger than the diameter of the protrusion 42 and opened upward to form a hemispherical groove 62 into which an end of the protrusion 42 is inserted. The heater for generating heat is built in the pressure port 61.

The pressurizing heater 60 moves the pressurizing port 61 up and down to heat and pressurizes the end of the protrusion 42 and then cools the engaging part in the hemispherical groove 62 of the pressurizing port 61. To form 43.

As shown in FIG. 8, the lens socket 30 forms the protrusion 42 by pressing the protrusion 42 through the socket mounting hole 11 to heat and press the end of the protrusion 42. It is simply mounted on the substrate 10.

Meanwhile, as shown in FIG. 9, the socket fixing protrusion 40 may include a protrusion 42 having an end portion partially protruded from the lower surface of the substrate 10, and the protrusion protruding downward from the substrate 10. It may comprise a locking ring 44 which is fixed to the end of the 42, and caught in the socket mounting hole (11).

Referring to FIG. 10, the engaging ring portion 44 has both ends spaced apart from each other and is formed to be elastically spaced apart from each other, and the first fitting protrusion 44a protrudes inward at both ends, and between both ends. The second fitting protrusion 44b is formed to protrude inward.

On the outer circumferential surface of the protrusion 42, a first fitting groove 42a and a second fitting groove 42b into which the first fitting protrusion 44a and the second fitting protrusion 44b are inserted are formed.

The lens socket 30 penetrates the protrusion 42 through the socket mounting hole 11, and then engages the locking ring 44 with an end of the protrusion 42, so that the lens socket 30 is connected to the end of the protrusion 42. It is simply mounted on the substrate.

The locking ring 44 has the first fitting protrusion 44a and the second fitting protrusion 44b fitted into the first fitting groove 42a and the second fitting groove 42b to the protrusion 42. It is firmly mounted and is not detached from the protrusion 42, and maintains the mounting state of the lens socket 30.

On the other hand, as shown in FIG. 12, the engaging ring portion 44 has a shaft hole 44c through which the protrusion 42 is axially coupled, and a plurality of teeth 44d are formed on an inner circumferential surface of the shaft hole 44c. It protrudes.

In addition, the protrusion 42 is axially coupled through the shaft hole 44c, and the teeth 44d are fixed to the protrusion 42 while being caught by the outer peripheral surface of the protrusion 42.

The engaging ring portion 44 is made of a material such as synthetic rubber, urethane, or the like, the metal material having excellent ductility, such as aluminum alloy, copper alloy, or the like, in which the teeth 44d may be bent.

The lens socket 30 penetrates the protrusion 42 through the socket mounting hole 11, and then combines the lens socket 30 with the shaft hole 44c of the locking ring 44 to penetrate the protrusion 42. It is simply mounted on the substrate as shown.

Referring to FIG. 14, when the protrusion 42 penetrates through the shaft hole 44c, the catching ring 44 is bent to be in close contact with the outer circumferential surface of the protrusion 42. The friction of 44d and the pointed end of the teeth 44d support the outer circumferential surface of the protrusion 42 so as not to be detached from the protrusion 42, so that the mounting state of the lens socket 30 is firmly maintained.

The LED structure for lighting according to the present invention simply mounts the lens socket 30 to the substrate 10 without using an adhesive as described above.

Therefore, the LED structure for lighting according to the present invention has the advantage that the defect rate is greatly reduced during manufacturing, labor costs and manufacturing time required during manufacturing is low, manufacturing cost is low, and productivity is high.

The present invention is not limited to the above-described embodiments, and various changes can be made without departing from the gist of the present invention, which is understood to be included in the configuration of the present invention.

10 substrate 11 socket mounting hole
20: LED 30: Lens Socket
31: hollow portion 40: socket fixing projection
41: elastic engaging piece 42: protrusion
43: locking portion 44: locking ring
50 substrate support block 60 pressurized heater

Claims (10)

delete delete delete delete delete delete Board;
An LED mounted on the substrate;
The lens socket is mounted on the substrate such that the LED is disposed therein, and includes a lens socket having a reflective surface on an inner circumferential surface thereof to reflect light emitted from the LED.
The substrate has a plurality of socket mounting holes are formed to be spaced around the LED,
The lens socket protrudes a plurality of socket fixing projections penetrating the socket mounting hole,
The lens socket is mounted on the substrate through the socket fixing projection penetrating the socket mounting hole,
The socket fixing projection,
A protrusion having an end portion partially protruding from the lower surface of the substrate; And
LED structure for lighting, characterized in that it comprises a engaging ring portion which is fixed to the end of the projection projecting to the lower portion of the substrate and caught in the socket mounting hole. The method of claim 7,
The engaging ring portion is spaced apart at both ends, and the spaced apart between the elastically formed, the first fitting projections protrude inwards at both ends, the second fitting projections formed between the both ends protruding inwards,
LED structure for an illumination, characterized in that the outer peripheral surface of the projection is formed with a first fitting groove and the second fitting groove is inserted the first fitting protrusion and the second fitting protrusion. The method of claim 7,
The locking ring portion is formed with a shaft hole that the projection shaft is coupled, the LED structure for illumination, characterized in that a plurality of teeth protrude on the inner peripheral surface of the shaft hole. The method of claim 7,
The lens socket is mounted on the substrate so that the hollow portion penetrated up and down is formed so that the LED is disposed in the hollow portion.
The hollow portion of the lens socket is formed in a cone shape gradually increasing in diameter toward the upper side, the LED structure for illumination, characterized in that the inner peripheral surface formed of a reflective surface.

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