KR101325080B1 - A led candle lamp - Google Patents

Abstract

The present invention relates to an LED candle lamp capable of horizontally and downwardly emitting light by installing an LED module which mounts an LED to be downwardly inclined. The LED candle lamp is composed of a housing which is combined with a diffusion cover, a converter which is installed in the housing and supplies DC to the LED module, and a socket which is combined with the housing. The LED candle lamp includes: a planar substrate support plate which is formed in the housing and is separated from the top side of the converter; and a plurality of LED modules which are installed on the top side of the substrate support plate to be downwardly inclined, include a top combination groove which is cut on the top side of one side of a horizontal part and a bottom combination groove which is cut on the bottom side of the other side of the horizontal part, and mounts LEDs. The top combination groove of a first LED module is combined with the bottom combination groove of a second LED module. The top combination groove of the second LED module is combined with the bottom combination groove of the third LED module. The top combination groove of the third LED module is combined with the bottom combination groove of the first LED module. The light is horizontally and downwardly emitted by downwardly inclining the LED module by installing first to third LED substrates to be downwardly inclined. The installation structure of the LED module is simplified by the mutual combination of the top and bottom combination grooves of the LED module and the shape of the mutual combination of the LED module is triangular, quadrilateral, or pentagonal. The number of LED modules to be installed is easily changed.

Description

LED Candlestick Bulbs {A LED CANDLE LAMP}

The present invention relates to an LED candlestick bulb, and specifically relates to an LED candlestick bulb capable of horizontally and downward illumination by placing the LED module on which the LED is mounted inclined downward so that light emitted from the LED is inclined downwardly.

In general, the candle light bulb, that is, the candle lamp is composed of a diffusion cover composed of an acute angle and a flame shape as the length thereof is larger than the width, and is vertically coupled to the upper part of a decorative device such as a candle holder, and the diffusion cover is located above the socket. It is being used for decoration lighting to make horizontal illumination.

The filament bulb has been widely used as the candlestick bulb, but the filament-type candlestick bulb has a short lifespan and thus needs to be frequently replaced.

In addition, with the rapid development of LED (Light emitting diode) related technologies, white LEDs that emit white light using blue LEDs and phosphors have emerged. Small size, low power consumption, semi-permanent life, no harmful emissions such as ultraviolet light, no environmentally friendly lighting source without mercury and discharge gas. have.

The appearance of the white LED has led to the development of LED candlesticks to which the lifespan of the candlesticks is extended and the LEDs having a long current consumption and low lifetime are applied.

Looking at the prior art for such an LED candlestick,

Korean Laid-Open Patent Publication No. 10-2012-0124974 LED candle lamp (2012.11.14) has a base portion provided with a connection portion to receive power from the outside on the lower side; A first light emitting unit on which at least one first LED is mounted on a first substrate disposed on the base; A second light emitting unit having at least one second LED mounted on the second substrate spaced apart from the first substrate at a predetermined height so as to face each other with the first LED; A first reflecting portion having a first reflecting surface for reflecting light emitted from the first LED to the transparent cover side, and a second reflecting portion having a second reflecting surface reflecting light emitted from the second LED to the transparent cover side A reflector formed between the first substrate and the second substrate; A transparent cover which prevents the first and second light emitting parts and the reflector from being exposed to the outside; A first heat sink coupled to the base part and having a mounting surface on which a first substrate is mounted; And a second heat sink having a mounting surface coupled to an upper side of the translucent cover and having a second substrate mounted on a lower surface thereof.

In addition, the prior art is provided with at least one locking jaw is inserted into the assembly hole formed through the first substrate and the second substrate at the upper and lower ends of the reflector to generate a locking force, bent to one side with a fastening hole The coupling piece is provided and the fastening hole is fixed to the coupling hole and the fastening member formed in the first substrate and the second substrate.

The LED candle lamp of the prior art has a problem that the first and second light emitting parts for emitting light are horizontally configured so that the light emitted from the first and second LEDs is irradiated vertically, making horizontal and downward illumination difficult.

In addition, the prior art has a problem that the reflector having the first and second reflecting portion in the translucent cover should be configured in order for the light emitted from the first and second LEDs to be horizontally illuminated.

In addition, the prior art has a problem that the horizontal illumination efficiency is lowered due to indirect illumination by the reflection of the first and second reflecting portion.

In addition, the prior art requires a configuration for fixing the reflector and the reflector, such that the overall structure of the LED candle lamp is complicated and productivity is lowered.

The present invention has been made to solve the above problems, in the LED candle holder, each LED module while forming a plurality of LED modules mounted horizontally in the housing horizontally and the LED mounted on the substrate support plate inclined downward In the EL is configured to provide an LED candlestick bulb that the upper and lower coupling grooves, the LED module is installed by mutual coupling of the vertical coupling grooves, the light emitted from the LED is horizontal and downward illumination.

LED candle holder according to the present invention is a housing coupled to the diffusion cover, the converter formed in the housing for supplying a DC current to the LED module, the LED candle holder consisting of a socket coupled to the housing, is configured in the housing and the converter A plate-type substrate support plate spaced apart from the top; Inclined downward on the upper portion of the substrate support plate, it is composed of a plurality of LED modules mounted on the LED.

In addition, the present invention is a plurality of LED module is composed of a 'TT' shape consisting of a horizontal portion and a vertical portion, and each of the horizontal portion is configured with a vertical coupling groove of the '' 'shape.

In addition, the present invention is the phase coupling groove is configured to cut the upper side of one side of the horizontal portion of the LED module; The lower coupling groove is to be configured to cut in the other lower surface of the horizontal portion of the LED module.

In addition, the present invention is the LED module is configured to be coupled to the protrusion protruding outwardly and integrally formed on the bottom end of the vertical portion; The substrate support plate has a coupling recess formed at a position corresponding to the coupling protrusion near the center portion.

The LED candlestick bulb according to the present invention has an LED module mounted on the LED is inclined downward so that the light emitted from the LED is inclined downward inclined so that horizontal and downward illumination is possible.

In addition, the present invention is a vertical coupling groove is formed in each LED module is installed by mutual coupling of the upper coupling groove of one LED module and the lower coupling groove of the other LED module has a simple effect of the installation structure of the LED module have.

In addition, the present invention has the effect of easily changing the number of installation of the LED module in the form of a mutual coupling shape of the LED module, such as a triangle, a square, a pentagon.

1 is a perspective view of the present invention LED candlestick.
2 is an exploded perspective view of the LED candlestick of the present invention.
3: perspective view of the LED module of the present invention.
4 is a perspective view of a heat absorbing plate used in the present invention.
5 is a perspective view of the LED module and the heat absorbing plate of the present invention are combined.
6 is a perspective view of the substrate support plate and the LED module of the present invention are combined.
7 is a cross-sectional view of the present invention LED candlesticks.

Hereinafter, the present invention is a perspective view of the LED candlestick of the present invention of Figure 1, an exploded perspective view of the LED candlestick of the present invention of Figure 2, a perspective view of the LED module of the present invention of Figure 3, of the heat absorbing plate used in the present invention of Figure 4 5 is a perspective view of a combined LED module and a heat absorbing plate of the present invention of FIG. 5, a perspective view of a combined substrate support plate and an LED module of the present invention of FIG. 6, and a cross-sectional view of the LED candle holder of FIG. 7.

The present invention is an LED candlestick lamp {A LED CANDLE LAMP}, the diffusion cover 50, the housing 10, the LED (LED) module 40, the substrate support plate 30, the converter 20, the socket 70 And made of a large configuration of the heat absorbing plate 60, the LED module 40 of the LED substrate 41, LED 42, the upper coupling groove 44, the lower coupling groove 43 of the coupling protrusion 45 It is made of a small configuration, the substrate support plate 30 is made of a small configuration of the support plate and the coupling groove 31.

The diffusion cover 50 has a length greater than the width, the upper portion is an acute angle and is composed of a flame shape, a band-shaped groove is formed around the inner peripheral surface of the lower end of the diffusion cover 50, the housing 10 A strip-shaped protrusion is formed around the upper outer circumference of the diffusion cover 50 and the housing 10 by the one-touch coupling of the groove and the protrusion to form a cover inner space and a housing inner space.

The diffusion cover 50 includes an LED module 40 mounted therein to inject light emitted from the LED 42 to diffuse to the outside, and the LED 42 has an angle at which light is diffused differently from the discharge lamp. Since it is small, the convex diffusion cover 50 is mounted in front of the LED module 40, that is, in the direction in which the light is emitted, thereby increasing the area to which light is irradiated, thereby increasing the illuminated area, thereby obtaining a more efficient lighting effect. .

In addition, a transparent acrylic, polycarbonate, or glass may be used as the material of the diffusion cover 50 to improve light transmittance, but may be used as an opaque material to prevent glare.

The diffusion cover 50 may be used in various colors of acrylic, polycarbonate or glass to exhibit a variety of lighting effects.

The housing 10 is coupled to the diffusion cover 50, the area becomes wider and closer to the upper portion is made of a fallopian tube shape consisting of a thermal conductor synthetic resin forming an inner space penetrating the upper and lower parts without the upper surface and constitutes a heat radiating protrusion If not, it is possible to reduce the weight of the LED bulb and lower the temperature of the heat generated by the LED module 40.

The diffusion cover 50 and the housing 10 are not limited to the screw fastening but may be one-touch fastening and may be coupled to each other by a ring-shaped fixing device.

In the one-touch fastening method, the diffusion cover 50 and the housing 10 face each other, and then pressure is applied to each end of the diffusion cover 50 and the housing 10 to the diffusion cover 50 in the housing 10. Is fitted.

The interior of the housing 10, that is, the inner space of the hollow portion is equipped with a converter 20 configured with a drive circuit for driving the LED 42, the converter 20 supplies a DC current to the LED module 40 It is configured to be electrically connected to the electrode by the electrode line 21 is fixed to the lower side inside the housing 10, the LED module 40 is electrically connected through a wiring or the like passing through the substrate support plate (30).

The housing 10 is composed of a plurality of screw coupling portion formed with a screw groove protruding at a predetermined interval toward the center on the inner wall to form a screw coupling portion to pass the screw through the converter 20 to fasten to the screw coupling portion or the inner peripheral surface of The inner flange protrudes in the inner direction to form a plurality of screw grooves at regular intervals in the inner flange to pass the screw through the converter 20 and fasten to the screw groove to the converter 20 inside the housing 10 Let support be fixed.

The socket 70 is fastened to the lower portion of the housing 10 and is formed with a screw thread along an outer diameter to be coupled to the lower end of the housing 10, and an electrode is formed at the lower side to receive driving power from the outside. have.

The converter 20 inserted into the housing 10 is a device for converting an alternating current into a direct current, and converts an alternating current input from the socket 70 through an electrode line 21 into a direct current so that the LED module 40 This provides.

The housing 10 is composed of a plurality of screw coupling portion formed with a screw groove protruding at a predetermined interval toward the center on the inner wall or an inner flange protruding in the inner direction at a predetermined interval around the inner peripheral surface at regular intervals A plurality of screw grooves are configured to fix the board support plate 30 to the inside of the housing 10 with screws.

The housing 10 comprises a plurality of screw coupling portions formed with screw grooves protruding at regular intervals toward the center on the inner wall to pass the screws through the substrate support plate 30 and fasten to the screw coupling portions to secure the substrate support plate 30 to the housing. (10) to be supported and fixed inside.

The screw coupling part for supporting and fixing the converter 20 and the screw coupling part or the inner flange for supporting and fixing the substrate support plate 30 are vertically spaced apart from the inside of the housing 10 so that the converter 20 and the substrate support plate 30 are formed. The upper surface of the converter 20 and the lower surface of the substrate support plate 30 are spaced apart from each other by a predetermined distance in the inner space of the housing 10 so that the converter 20 and the substrate support plate 30 are inside the housing 10. Between the space is formed.

The substrate support plate 30 is composed of a resin-based material such as a converter substrate which is generally formed in a flat plate type, which is formed on the upper part of the housing 10 and spaced apart on the converter 20, and is commonly used. Coupling groove 31 is configured to penetrate at a position corresponding to coupling protrusion 45 formed in LED module 40 described below.

The converter substrate and the substrate support plate 30 may be formed in a rectangular plate shape or a polygonal plate shape, but the space between the inner circumferential surface of the housing 10 and the outer circumferential surface of the converter substrate or the substrate support plate 30 may be reduced and the combination thereof may be reduced. In order to improve aesthetics, it is preferable that the disk is configured in a disc shape so as to conform to the shape of the inner surface of the housing 10.

The coupling groove 31 of the substrate support plate 30 is electrically connected to the converter 20 by an electric wire and the like, and the LED module 40 inserted into the coupling groove 31 is energized to supply power to the LED 42. Will be.

The LED module 40 is used as a light source of the lamp and is formed inside the diffusion cover 50 and the housing 10 and the LED substrate 40 mounted with the LED module 40 composed of a plurality of LEDs 42 ( 41).

The LED module 40 includes a plurality of LEDs attached to an LED substrate 41 having an electrode circuit formed thereon so as to electrically connect the LEDs 42, and attached to an electrode circuit on the LED substrate 41 to be electrically connected to each other. 42), the LED substrate is composed of a resin-based material that is commonly used.

The LED module 40 is composed of an LED substrate 41, the LED module 40 and the LED 42, but the LED module 40 is composed of a plurality of and is installed inclined downward on the top of the substrate support plate 30 and the LED ( 42 is mounted so that the light emitted from the LED 42 is irradiated downward inclined to enable horizontal and downward illumination.

The LED module 40 is inclined downward in a direction of 7 to 15 ° with respect to the vertical, that is, when the downward inclination angle is 7 to 15 ° and the downward inclination angle is less than or equal to 7 °, the horizontal irradiation is good but the downward irradiation is performed. Is not satisfactory, the irradiation in the downward direction is good, but the irradiation in the horizontal direction is not good.

The LED module 40 is configured to be inclined downward appropriately so that the light emitted from the LED 42 can be horizontal illumination and downward illumination.

Since the LED module 40 is mounted on the LED substrate 41, the LED module 40 and the LED substrate 41 have the same shape.

The plurality of LED modules 40 are configured such that the upper plane of the shape coupled to each other is wider than the lower plane so that the overall shape of the LED module 40 is oblique but the surface of the LED module 40 to which the LEDs 42 are attached is directed outward. While being configured in the horizontal downward direction, the LED 42 is also configured in the horizontal downward direction.

The LED module 40 is configured in a 'TT' shape consisting of a '-'- shaped horizontal portion and' l'-shaped vertical portion, respectively, the upper portion of each of the LED substrate 41, that is, a '-' shaped horizontal The upper portion of the 'c' shaped upper coupling groove 44 and 'c' shaped lower coupling groove 43 is configured.

The upper and lower coupling grooves 44 and 43 of the 'C' shape of the LED module 40 are configured in the horizontal portion, but the upper coupling groove 44 is configured to be cut out on the upper surface of one side of the horizontal portion of the LED module 40. Coupling groove 43 is configured to cut the other side lower surface of the horizontal portion of the LED module 40.

In other words, the upper coupling groove 44 and the lower coupling groove 43 are configured in the horizontal portion of the LED module 40, respectively, ie, the upper coupling groove 44 and the horizontal portion respectively configured on the left and right of the vertical portion. Lower coupling groove 43 is composed of a diagonal point symmetry around the horizontal portion.

When the LED module 40 is composed of three, the upper coupling groove of the first LED module and the lower coupling groove of the second LED module are combined, and the upper coupling groove of the second LED module and the lower coupling of the third LED module are combined. The grooves are coupled, and the upper coupling groove of the third LED module and the lower coupling groove of the first LED module are coupled to each other so that the first, second and third LED modules are inclined downward.

When the LED module 40 is composed of four, the upper coupling groove of the first LED module and the lower coupling groove of the second LED module are combined, and the upper coupling groove of the second LED module and the lower coupling of the third LED module are combined. The groove is coupled, the upper coupling groove of the third LED module and the lower coupling groove of the fourth LED board are mutually coupled, and the upper coupling groove of the fourth LED module and the lower coupling groove of the first LED module are coupled to each other to form a first coupling groove. 2, 3, 4 LED module is inserted inclined downward.

The LED module 40 is composed of three or more so that each individual LED module is a plane coupled to each other is a polygon, that is, a plane combined with three LED modules is a triangular, the plane is a combination of four LED modules are quadrilateral, 5 Dog LED module The combined plane is composed of a pentagon.

The LED module 40 is composed of a coupling protrusion 45, the coupling protrusion 45 is protruded to the outside at the bottom end of the vertical portion and extends integrally, the substrate support plate 30 is each LED module 40 near the center portion Coupling groove 45 is configured at a position corresponding to the coupling protrusion 45 configured in the).

Polygon formed by the extension line of the bottom surface of the vertical portion of the LED module 40 is formed by the coupling groove 45 is extended than the length of one side of the horizontal polygon formed in the state that each LED module 40 is coupled The length of one side is short.

For example, when the three LED modules 40 are coupled to each other, the area of the triangle formed by the horizontal portion of the first, second and third LED modules is coupled to the extension line of the coupling recess 45 of the substrate support plate 30. It is made larger than the area of the triangle made by.

The extension line of the coupling recess 45 is an extension line of the width of the vertical portion of the LED module 40 and refers to a line drawn to extend a straight line parallel to the longitudinal direction of the horizontal portion of the LED module 40.

In other words, the distance from the upper coupling groove 44 to the lower coupling groove 43 in the horizontal portion of the LED module 40 of one side of the triangle made by the extension line of the coupling groove 45 of the substrate support plate 30 It is made larger than the length.

As described above, the distance from the upper coupling groove 44 of the LED module 40 to the lower coupling groove 43 is greater than the length of one side of the triangle formed by the extension line of the coupling recess 45 of the substrate support plate 30. In the horizontal portion of each of the LED module 40 is coupled to each other, that is, the upper coupling groove 44 and the lower coupling groove 43 of the LED module 40 is mutually coupled and the coupling projection 45 of the vertical portion is the substrate support plate 30 When inserted into the coupling groove 45 of the side of the LED module 40 is diagonally, that is, the LED module 40 is placed inclined downward on the upper portion of the substrate support plate (30).

That is, when the LED module 40 is composed of three as described above, the upper coupling groove 44 of the first LED module and the lower coupling groove 43 of the second LED module are coupled, the second LED module Of the first, second and third LED modules in the state that the upper coupling groove of the third LED module and the lower coupling groove of the third LED module are coupled to each other. The first, second, and third LED modules are vertically inclined when the coupling protrusions protruding from the portions are inserted into the coupling recesses 45 of the substrate support plate 30, respectively.

The LED 42 is mounted on a surface facing the outside of the LED module 40, the outer surface of the LED module 40 faces downward in the horizontal direction, and the LED 42 is also inclined downward in the horizontal downward direction, thereby leading to the LED 42. Since the light emitted from the downward slope is irradiated horizontally and downwardly, it can be used for decoration lighting that requires illumination horizontally and downwardly than light emitted upwardly.

On the other hand, the heat absorbing plate 60 may be further configured, the heat absorbing plate 60 is in close contact with the LED module 40 is formed in the housing 10 and formed a certain thickness and made of a material such as aluminum LED 42 Absorption of heat generated from the heat absorbed by the heat generated from the LED module 40 absorbs heat and accumulates in the body to cool the heat exchanged with the air in the interior space of the housing 10, that is, by the air inside the housing 10 It lowers the heat of the LED module 40.

The heat absorbing plate 60 is fastened in close contact with one surface of the LED substrate, that is, the surface on which the LED 42 is not formed, and has a thermal conductivity such as aluminum, and screws to fasten the heat absorbing plate 60 to the housing 10 at the edge thereof. The screw grooves to be fastened are formed at regular intervals.

Since the heat absorbing plate 60 is formed in close contact with one surface of the LED substrate, the heat absorbing plate 60 may be similar to the LED substrate or may be configured to correspond to the shape of the heat absorbing plate 60 and the shape of the LED substrate, that is, the amount of heat generated from the LED 42. In other words, the brightness can vary depending on the watt (WATT).

That is, the heat absorbing plate 60 may be configured to be two or three such that the number of the elastic installation plate is elastic, and as the number of the stack increases, the length of the screw used for fastening also increases.

After connecting the electrode line 21 of the converter 20 with the socket 70, the converter 20 is placed on the screw coupling portion or the upper surface of the inner flange formed on the inner peripheral surface of the housing 10, the screw coupling portion or Substrate support plate 30 is placed on the other screw coupling portion formed on the upper part of the flange so that the substrate support plate 30 is spaced apart from the converter 20 on the converter 20, the converter 20 and the substrate support plate 30 ) Is electrically connected to each other by an electrode wire or the like, and then combines the plurality of LED modules 40 to the upper and lower coupling grooves 44 and 43 so that the combined state is not deteriorated. When inserted into the coupling groove 31 of the converter 10, the converter 20, the substrate support plate 30 and the LED module 40 is coupled to.

When the heat absorbing plate 60 is to be further configured, the above assembly operation may be performed in a state in which the heat absorbing plate 60 is previously coupled to the rear surface of the LED module 40 with a screw or the like.

Therefore, the present invention is the LED module 40 is configured to be inclined downward and horizontal and downward illumination is possible, and is entered by the mutual coupling of the upper and lower coupling grooves 44 and 43 of the LED module 40 of the LED module 40 The installation structure is simple, and the mutual coupling shape of the LED module 40 is triangular, square, pentagonal, etc., thereby making it easy to change the number of installation of the LED module 40.

As described above, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims below, but also by those equivalent to the claims.

10: housing 20: converter
21: electrode line 30: substrate support plate
31: engaging groove 40: LED module
41: LED substrate 42: LED
43: lower coupling groove 44: upper coupling groove
45: coupling protrusion 50: diffusion cover
60: heat absorbing plate 70: socket

Claims (4)

delete In the LED candlestick bulb consisting of a housing coupled to the diffusion cover, a converter formed inside the housing for supplying a DC current to the LED module, and a socket coupled to the housing,
A plate supporting plate formed inside the housing and spaced apart from the upper portion of the converter;
A plurality of upper and lower coupling grooves of which the upper and lower couplings are formed on the upper side of the substrate support plate, have an LED mounted thereon, are formed in a 'TT' shape consisting of a horizontal portion and a vertical portion, and each of the horizontal portions are formed of a 'c' shape. It consists of LED module;
Among the plurality of LED modules, the upper coupling groove of the first LED module and the lower coupling groove of the second LED module are coupled, and the upper coupling groove of the second LED module and the lower coupling groove of the third LED module are coupled to each other. The upper coupling groove of the LED module and the lower coupling groove of the first LED module are mutually coupled to each other so that the first, second and third LED substrates are inclined downward so that the light emitted from the LED is inclined downward and thus horizontal and downward illumination are possible. LED candlestick light bulbs.
3. The method of claim 2,
The phase coupling groove is configured to cut in one upper surface of the horizontal portion of the LED module;
The lower coupling groove is configured to cut the other lower surface of the horizontal portion of the LED module;
LED candlestick, characterized in that the upper coupling groove and the lower coupling groove is composed of a diagonal point symmetry around the horizontal portion.
The method according to claim 2 or 3,
The LED module is composed of a coupling protrusion protruding outwardly and integrally formed at the bottom end of the vertical portion;
The substrate support plate is provided with a coupling groove at a position corresponding to the coupling projection near the center portion;
LED engaging lamp is characterized in that the coupling projection is inserted into the coupling groove, the upper coupling groove and the lower coupling groove of the LED module is inclined downward on the upper portion of the substrate support plate by mutual coupling.

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