KR20170000648A - Heat-mounting unit of the LED lamp - Google Patents

Heat-mounting unit of the LED lamp Download PDF

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Publication number
KR20170000648A
KR20170000648A KR1020150089843A KR20150089843A KR20170000648A KR 20170000648 A KR20170000648 A KR 20170000648A KR 1020150089843 A KR1020150089843 A KR 1020150089843A KR 20150089843 A KR20150089843 A KR 20150089843A KR 20170000648 A KR20170000648 A KR 20170000648A
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KR
South Korea
Prior art keywords
heat dissipating
mounting member
heat
housing
led
Prior art date
Application number
KR1020150089843A
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Korean (ko)
Other versions
KR101737691B1 (en
Inventor
권영학
Original Assignee
주식회사 예창
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Priority to KR1020150089843A priority Critical patent/KR101737691B1/en
Publication of KR20170000648A publication Critical patent/KR20170000648A/en
Application granted granted Critical
Publication of KR101737691B1 publication Critical patent/KR101737691B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/104—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/18—Latch-type fastening, e.g. with rotary action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The present invention relates to an apparatus for mounting a heat dissipation pin of a lamp using an LED, in which an extrusion-molded heat dissipation fin is cut to an appropriate length according to the capacity of the LED lamp and then forcedly attached to the mounting member without using a separate fastening member So that they can be integrated and can be mounted inside the housing by a one-touch operation.
To this end, the present invention is characterized in that the heat dissipating member 13 is pressed and fixed to one surface of a metal mounting member 12 to which the LED 11 is fixed, and a pair of locking protrusions A protruding piece 16 having an engaging groove 17 is formed on the inner surface of the housing 10 and the mounting member 12 is coupled to the housing 10 for rotation And the engaging protrusions 15 projecting obliquely are hooked on the engaging grooves 17 of the protruding pieces 16.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a heat-

More particularly, the present invention relates to a lamp using an LED, more specifically, an extruded heat radiating fin is cut to an appropriate length according to the capacity of an LED lamp, and then a pressing member is pressed against the mounting member without using a separate fastening member And a heat dissipation pin attaching device of an LED lamp that integrates the heat dissipation member and the heat dissipation member and mounts the heat dissipation pin in the housing by a one-touch operation.

Generally, an LED (light emitting diode) is an electronic component that produces a small number of injected carriers (electrons) using a p-n junction structure of a semiconductor and emits light by recombination of these minor carriers.

These LEDs are smaller in size and longer in life than conventional light sources (light sources), and have low power consumption and high efficiency because electric energy is directly converted into light energy.

In addition, since LED has characteristics of high-speed response, it is widely used for display lamps and numeric display devices of various electronic devices such as a display device of an automobile instrument, a light source for optical communication, and the like. It is applied variously as a lighting means for an evacuation lamp.

However, when a lamp using an LED is turned on, heat is generated by a component such as a resistor. If such a heat is applied to the LED, circuit characteristics are changed and the lifetime is shortened.

These LEDs are known to be easily damaged even when exposed to heat at about 70 ° C.

Therefore, when the lamp is constructed by using the LED, a heat sink (heat sink) is attached to the back surface of the circuit board on which the LED is mounted so as to quickly radiate heat to the outside, thereby shortening the lifetime of the LED by heat Minimizing.

FIG. 1 is a perspective view showing a conventional device. FIG. 2 is a sectional view taken along the line A-A of FIG. 1, in which an LED 2 serving as a light source is mounted on a bottom surface of a substrate made of metal (Al or Cu) On the upper surface of the substrate 1, a heat dissipating member 3 composed of a heat conduction plate 3a and a heat dissipating fin 3b is positioned and fixed to the substrate 1 by using a fastening member (not shown).

The substrate 1 on which the LED 2 is mounted is installed so as to be surrounded by a cover 4 made of a transparent or semitransparent synthetic resin material. The cover 4 can be detachably attached to the substrate 1 by screws 5 Respectively.

The heat generated when heat is generated as the LED 2 is illuminated by the power source is radiated to the heat dissipation fin 3b through the metal substrate 1 and the heat dissipation plate 3a so that the lifetime of the LED 2 Thereby avoiding the phenomenon of being shortened.

(Prior art document)

(Patent Document 0001) Korean Registered Patent Publication No. 10-0936223 (Registered on January 04, 2010)

However, the conventional apparatus having such a structure has the following problems.

First, as the size of the heat dissipating member varies according to the size of the lamp, a separate mold for molding the heat dissipating member has to be manufactured. Therefore, it is economically burdensome for a relatively small-sized lighting company.

Secondly, since the heat dissipating plate of the heat dissipating member is fixed to the substrate by the fastening member, not only the productivity is lowered but also the flatness of the heat dissipating plate produced by the casting is limited and the heat dissipating plate can not be closely contacted to the upper surface of the substrate The heat conduction performance is degraded.

Thirdly, since the cover is made of a transparent or translucent synthetic resin material, heat dissipation through the cover hardly occurs and the heat radiation efficiency is lowered, thereby shortening the lifetime of the LED.

Fourthly, as the cover is fixed to the substrate by screwing, the screw is exposed to the outside, resulting in deterioration of appearance and lowering of productivity due to fastening of the screw.

SUMMARY OF THE INVENTION The present invention has been made in order to solve such a problem, and it is an object of the present invention to provide a heat dissipating member which can extrude a heat dissipating member and cut the heat dissipating member into an appropriate length according to the size It has its purpose.

It is another object of the present invention to provide a lamp mounting structure in which a heat dissipating member is fixed to a mounting member on which an LED is mounted without using a separate fastening member and the mounting member to which the heat dissipating member is fixed by pressing is mounted on the housing in a one- And to maximize heat dissipation efficiency.

According to an aspect of the present invention, a heat dissipating member is press-fixed to a surface of a metal mounting member on which an LED is fixed, and a pair of protrusions projecting obliquely are formed on the side surface of the mounting member so as to face each other Wherein a protruding piece having a latching groove is formed on the inner surface of the housing and a latching protrusion projecting obliquely is hooked on the latching groove of the protruding piece when the latching member is coupled with the housing and rotated. Device is provided.

A pressing groove having a width smaller than the thickness of the heat dissipating member is formed on one surface of the mounting member so that the heat dissipating member is pressed and fixed to the mounting member in a state where one surface of the heat dissipating member is aligned with the compression groove A heat dissipation fin mounting apparatus of an LED lamp is provided.

Wherein the mounting member, the heat dissipating member, and the housing are made of aluminum or copper.

The present invention has the following advantages over the conventional apparatuses.

First, even if the size (size) of the lamp is changed, the heat dissipating member may be cut to an appropriate length and mounted on the mounting member depending on the size, so that the conventional device for molding the heat dissipating member using a mold having a different size according to the size of the lamp The cost of producing molds can be minimized, so that small-sized lighting companies are not burdened economically.

Secondly, since the same compression groove as the end face of the heat radiation member is formed on the mounting member, it is possible to press and fix the contact area of the heat radiation member when the LED is lighted, without using a separate fastening member. It is possible to radiate heat.

Thirdly, since the housing is made of aluminum material, heat is radiated through the housing as well as the heat dissipating member, thereby maximizing the heat radiation efficiency, thereby extending the lifetime of the LED to the maximum extent.

Fourthly, if the mounting member, to which the heat dissipating member is fixed, is coupled to the housing and then pivoted, the locking protrusion formed opposite to the outer circumferential surface of the mounting member is hooked on the locking groove of the protrusion formed in the housing, Thus, not only the assembling property can be improved but also the appearance can be improved.

1 is a perspective view showing a conventional apparatus;
2 is a sectional view taken along the line A-A in Fig. 1
3 is an exploded perspective view showing the configuration of the present invention.
4 is a longitudinal sectional view showing the mounting member and the heat radiation member separated from each other in the present invention
5A and 5B are views for explaining a state in which a locking protrusion formed on a mounting member is inserted into a locking groove of the housing in the present invention

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. The drawings are schematic and illustrate that they are not drawn to scale. The relative dimensions and ratios of the parts in the figures are exaggerated or reduced in size for clarity and convenience in the figures, and any dimensions are merely illustrative and not restrictive. And to the same structure, element or component appearing in more than one drawing, the same reference numerals are used to denote similar features.

FIG. 3 is an exploded perspective view showing the construction of the present invention. FIG. 4 is a vertical sectional view showing a mounting member and a heat radiating member separated from each other in the present invention. FIGS. 5a and 5b show a state in which a locking protrusion formed on a mounting member, The present invention is the same as the cross section of the heat dissipating member 13 as shown in Fig. 4 on one side of the metal mounting member 12 to which the LED 11 is fixed, the heat dissipating member 13 is cut to an appropriate length according to the size of the lamp to be manufactured and then the one surface of the heat dissipating member 13 is cut into the compression groove 14, The heat dissipating member 13 is hit by a rubber or wooden hammer or the like and is forcibly fixed to the compression groove 14 of the mounting member 12 in a state in which the heat dissipating member 13 is matched with the heat dissipating member 13.

Accordingly, the radiation efficiency can be maximized by integrating the radiation member 13 with the mounting member 12 without using a fastening member such as a separate screw or the like.

A pair of locking protrusions 15 protruding obliquely to the side surface of the mounting member 12 are formed to face each other and a protruding piece 16 having a locking groove 17 is formed on the inner surface of the housing 10 The engaging protrusions 15 protruding obliquely as the mounting member 12 is coupled to the housing 10 and pivoted to be engaged with the engaging grooves 17 of the protruding piece 16.

It is to be understood that the mounting member 12, the heat dissipating member 13, and the housing 10 are made of aluminum or copper, which is relatively inexpensive and has good thermal conductivity.

In the drawing, reference numeral 18 denotes a housing in which a board and a power supply line are built in and a lamp is rotatably mounted. Reference numeral 19 denotes a terminal mounted on the rail for supplying power to the lamp.

Hereinafter, the operation of the present invention will be described.

First, the compression molded heat dissipating member 13 is cut to an appropriate length according to the size (standard) of the lamp, and one end of the heat dissipating member 13 is aligned with the compression groove 14 of the mounting member 12 as shown in FIG. The width b of the compression groove 14 is formed to be narrower than the thickness t of the heat dissipating member 13 when the heat dissipating member 13 is hit with the heat dissipating member 13, And fixedly integrated.

When these operations are integrated by such an operation, the LED 11 is mounted on the other surface of the mounting member 12 like the conventional work.

Thereafter, when the mounting member 12 to which the heat dissipating member 13 is fixed by pressing is inserted into the housing 10, the locking protrusion 15, which is formed opposite to the outer circumferential surface of the mounting member 12, (16).

In this state, when the operator grasps and rotates the heat dissipating member 13, a locking protrusion 15 protruding from the outer circumferential surface of the mounting member 12 is caught in the locking recess 17 formed in the protruding piece 16 as shown in FIG. 5B The locking protrusion 15 is inclined so that the locking protrusion 15 is gradually and strongly caught in the locking groove 17 as the mounting member 12 integral with the heat dissipating member 13 is rotated.

Accordingly, heat generated when the LED 11 is turned on by the power supply is quickly dissipated to the outside through the mounting member 12 and the heat dissipating member 13, and also through the housing 10 to which the heat is applied So that the phenomenon of shortening the lifetime of the LED 11 is minimized.

Meanwhile, in order to separate the heat radiation member 13 from the housing 10 for the purpose of replacing the LED 11 or the like while the lamp is being used, when the user holds the heat radiation member 13 in the opposite direction The heat dissipating member 13 is rotated and the engaging protrusion 15 is released from the engaging groove 17 of the projecting piece 16 so that the heat dissipating member 13 can be removed from the housing 10 without using a separate tool such as a screwdriver, Can be separated.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention may be embodied with various changes and modifications without departing from the scope of the invention. will be.

It is therefore to be understood that the embodiments described above are to be considered in all respects only as illustrative and not restrictive, the scope of the invention being described in the foregoing specification is defined by the appended claims, Ranges and equivalents thereof are to be construed as being included within the scope of the present invention.

10: Housing 11: LED
12: mounting member 13:
14: compression groove 15:
16: projecting piece 17: engaging groove

Claims (3)

A heat dissipating member 13 is pressed and fixed to one surface of a metal mounting member 12 to which the LED 11 is fixed and a pair of locking protrusions 15 projecting obliquely to the side surface of the mounting member 12 are opposed to each other And a protruding piece 16 having an engaging groove 17 is formed on the inner surface of the housing 10 so that the mounting member 12 is engaged with the housing 10 and is pivoted, (15) is hooked on an engagement groove (17) of the projecting piece (16).
The method according to claim 1,
A pressing groove 14 having a width smaller than the thickness of the heat dissipating member is formed on one surface of the mounting member 12 so that one surface of the heat dissipating member 13 is pressed against the pressing groove 14 And the heat dissipating member (13) is pressed and fixed to the mounting member (12) in a state where the heat dissipating member (13) is matched.
The method according to claim 1,
Wherein the mounting member (12), the heat dissipating member (13), and the housing (10) are made of aluminum or copper.
KR1020150089843A 2015-06-24 2015-06-24 Heat-mounting unit of the LED lamp KR101737691B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150089843A KR101737691B1 (en) 2015-06-24 2015-06-24 Heat-mounting unit of the LED lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150089843A KR101737691B1 (en) 2015-06-24 2015-06-24 Heat-mounting unit of the LED lamp

Publications (2)

Publication Number Publication Date
KR20170000648A true KR20170000648A (en) 2017-01-03
KR101737691B1 KR101737691B1 (en) 2017-05-18

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Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101044453B1 (en) * 2011-02-23 2011-06-27 주식회사 한서 Recessed led celiling light with structure for easy connection and exellant heat release

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