KR101029536B1 - Portable led lamp - Google Patents

Abstract

PURPOSE: A portable LED lamp is provided to extend the lifespan and maintain illuminance by emitting heat through direct heat exchange. CONSTITUTION: A light source comprises at least one light-emitting diode module(10). At least one LED(11) is mounted in a substrate. At least a part of a front member(30) is comprised of a light-transmitting unit. Power supplied to the light source through at least one battery(40). A controller comprises a switch and is connected to the battery. The controller controls the operation of the light source. A rear member(60) protects the light source, the battery, and the controller.

Description

Portable LED Lamp {Portable LED Lamp}

The present invention allows the heat generation of the LED module to be radiated by direct heat exchange with any one or more of the front member or the rear member constituting the body of the device, thereby maximizing the long life and light intensity of the LED lighting equipment, The present invention relates to a portable LED lamp that implements slimmerness, improves portability, and requires no battery replacement to simplify handling and management.

In general, portable lamps have a structure in which incandescent lamps or fluorescent lamps are operated using a battery, but LEDs (Light Emitting Diodes) have contributed to reducing the size and weight of portable lamps.

The conventional technology of a portable lamp using the LED as a light source is composed of an LED module mounted on the substrate, a battery for supplying power to the LED, a light transmitting body installed in front of the LED module, a rear member for receiving the components, etc. have.

However, the prior art having such a configuration has some problems because the LED module is installed in the internal space of the device.

As it is well known, the LED lighting device has the advantages of long life and energy efficiency while high heat is generated in the LED module when it is turned on.

However, in the prior art, since the LED module is located in the internal space of the device as described above, the heat generated from the LED module is released into the air in the sealed space, and the air warmed in the space is insulated to act as a fatal defect in which heat dissipation is not smooth. There is this.

In addition, since the LED module is located in the inner space, the thickness and volume of the device become large, which has a disadvantage of deteriorating portability.

In addition, by using a common battery such as a manganese battery, an alkaline battery, the appearance and weight are large, so there is a problem inconvenient to carry and cumbersome battery replacement.

The present invention is to solve the above problems,

An object of the present invention is to carry out the heat dissipation through the direct heat exchange with any one or more of the front or rear members of the LED module body of the portable LED lamp for maximizing the long life and illumination of the quality characteristics of the LED lighting equipment In providing.

Another object of the present invention is to provide a portable LED lamp that implements light weight and slimming, improves productivity and portability, and does not require battery replacement to simplify handling and management.

Still another object of the present invention is to provide a portable LED lamp that is capable of producing power by itself so that battery charging is unnecessary and convenience is maximized.

Portable LED lamp according to the present invention to achieve the above object

A light source including one or more LED modules formed by mounting one or more LEDs on a substrate PCB;

A front member of which at least a portion of the body is an optically transparent light transmitting portion for transmitting or diffusing light of the light source;

At least one battery that supplies power to the light source and is chargeable through a power connector;

A control unit for controlling the operation of the light source and electrically connected to the battery and having a switch; And

And a rear member coupled to the front member to protect the light source, the battery, and the controller.

 The LED module is characterized in that the substrate is coupled to any one or more of the front member or the rear member constituting the body of the device for heat dissipation in a heat exchange structure directly or through a heat conductive adhesive means.

In one embodiment according to the present invention, the front member is at least one of at least one of the recessed space 1 for inserting the LED module, the recess for inserting the LED, and the recess 2 for inserting the battery. It is formed, the concave space 1 and the groove is characterized in that formed in the light transmitting portion.

In one embodiment according to the present invention, the LED module is one or more of the omni-directional LED module in which the light of the LED is incident toward the front of the light-transmitting portion and the lateral LED module is incident orthogonally to the front of the light-transmitting portion. It features.

In one embodiment according to the present invention, the light transmitting portion is characterized in that any one or more of a plurality of V grooves, fine scratches, irregularities dot, printing pattern, sanding irregularities are formed.

In one embodiment according to the invention, the LED module and the control unit is characterized in that formed using a single substrate complex.

In one embodiment according to the present invention, the LED module includes a power LED module, the power LED module is a thermal diffusion sheet is installed on the rear, the thermal diffusion sheet is directly or thermally conductive bonding means with the front member or the rear member It is characterized by being coupled through.

In one embodiment according to the present invention, the LED module includes a power LED module, at least one front of the LED module is provided with a lens for concentrating or diffusing light, the lens is formed integrally with the light transmitting portion It is characterized by.

In one embodiment according to the invention, the control unit further comprises a battery remaining amount display unit for displaying the remaining amount of the battery to the outside.

As an embodiment according to the present invention, the front member or the rear member is characterized in that the magnet is installed to be mounted to the structure using a magnetic force.

In one embodiment according to the present invention, a solar cell for producing electricity from solar energy for storing energy in the battery is further provided, the battery is to supply the stored electricity to a light source or an external device including an LED module It features.

The portable LED lamp according to the present invention having the above configuration

First, since the substrate of the LED module is installed as a heat exchange structure with any one or more of the front member or the rear member of the body of the device, heat dissipation is effectively performed, and there is a remarkable effect of maximizing long life and roughness, which are quality characteristics of the LED lighting device.

Second, since the LED is inserted into the recess of the front member, the heat dissipation through the substrate is smoothly dissipated through at least one of the front member and the rear member, and the heat discharged through the LED element surface is transferred directly to the front member and There is a synergistic effect that the heat radiation performance is further improved.

Third, the LED module, the battery, etc. are inserted and installed using the recess and the recess space formed in the front member or the rear member, thereby improving the assemblability and light weight and slimming, thereby improving portability.

Fourth, there is an advantage that it is easy to carry by reducing the volume and weight at the same time to improve the convenience by the need for cumbersome battery replacement work is not provided.

Fifth, since the self-charging is provided by the solar cell, the battery charging is unnecessary and the convenience is remarkably improved, and there is an additional advantage of supplying power to an external device such as a mobile phone.

1 is a view showing the configuration of an embodiment according to the present invention,
a is the left side view, b is the front view,
2 is an exploded view taken along the line AA of FIG.
3 is a cross-sectional view taken along the line AA of FIG.
4 is a view showing the switch configuration of FIG.
a is a rear view of FIG. 1 b is a cross-sectional view taken along line BB of a
Figure 5 is a longitudinal cross-sectional view showing the configuration of an embodiment according to the present invention
Figure 6 is a front view showing the configuration of the front member of an embodiment according to the present invention
7 is a view showing the configuration of an embodiment according to the present invention;
a is the top view, b is the front view, c is the bottom view
8 is a cross-sectional view taken along line CC of FIG.
9 is a cross-sectional view showing the inside of FIG.
10 is a front view showing the configuration of an embodiment according to the present invention
Figure 11 is a longitudinal cross-sectional view showing the configuration of one embodiment according to the present invention

Hereinafter, embodiments of the portable LED lamp of the present invention will be described in more detail with reference to the accompanying drawings.

The portable LED lamp of one embodiment according to the present invention is as shown in Figs. A light source including one or more LED modules 10 on which one or more LEDs (LEDs) 11 are mounted on a substrate (PCB) 13, and a part of a body for transmitting or diffusing light of the light sources. The front member 30 is an optically transparent light transmitting portion 30a, at least one battery 40 which supplies power to the light source and can be charged through a power connector 55, and controls the operation of the light source. A control member 50 electrically connected to the battery 40 and having a switch 53 and a rear member 60 coupled to the front member 30 to protect the light source, the battery 40 and the controller 50. It includes, the LED module 10 is heat exchanged with any one or more of the front member 30 or the rear member 60 that the substrate 13 forms the body of the device for heat dissipation through direct or thermally conductive adhesive means Combined into a structure .

Here, the front member 30 is a recessed space 1 (35) for inserting and installing the LED module 10 to the rear, the groove 31 for inserting the LED 11 and the battery 40 is inserted for installation At least one of the concave space 2 (36) is formed at least one, the concave space 1 (35) and the groove 31 is preferably formed in the light transmitting portion (30a).

Preferably, the groove 31 is formed to correspond to the LED specification to be in close contact with the LED 11 is inserted and installed so that the LED module 10 is each LED 11 is inserted into the groove 31 and the substrate 13 is Adhesively installed on the front member 30 or the rear member 60 in a heat exchange structure, the heat generated by the LED module 10 is heat-exchanged with any one or more of the front member 30 or the rear member 60 is discharged to the outside Be sure to

On the other hand, the rear member 60 may be formed in the concave space for accommodating the LED module or the battery.

As an exemplary embodiment of the present invention, as shown in FIG. 5, only one recess 31 into which the LED 11 is inserted is formed in the light transmitting portion 30a so that one surface of the substrate 13 is formed on the light transmitting portion 30a. The other surface of the substrate 13 is in contact with the rear surface to be in contact with the rear member so that the heat dissipation of the LED module 10 is made through the front member 30 and the rear member 60 at the same time.

In addition, the front member 30 is entirely formed of a light-transmitting body or a portion of the light-transmitting portion (30a) and the remaining portion is formed of an opaque portion (30b).

For example, the entire front member 30 is formed of a light-transmitting body and forms a coating layer 37 by coating with an opaque material except for the light-transmitting portion 30a corresponding to the LED module to form the opaque portion 30b ( 1 and 2), the main body is formed by the opaque portion 30b, and a single light-transmitting portion 30a, which is a separate material corresponding to the LED module 10, is combined (see a of FIG. 6). The configuration of the front member, such as a shape (see b of FIG. 6) in which the light transmitting part 30a, which is a separate material on the body, is respectively coupled to each LED, may be formed in various ways.

In one embodiment according to the present invention, the LED module 10 is the omni-directional LED module 10a and the light-transmitting portion 30a to which the light of the LED 11 is incident toward the front F of the light-emitting portion 30a. It consists of one or more of the lateral LED module 10b that is incident in the orthogonal direction with respect to the front (F) of (see Figs. 1 to 8, 10, 11).

The lateral LED module 10b is installed in the shape of a band at the edge of the light transmitting portion 30a, and is bonded to the light transmitting portion using a heat conductive adhesive means 75 in the recessed space 1 35 corresponding thereto. (See FIGS. 7, 8, 10 and 11).

In this case, it is preferable that the thermally conductive adhesive means 75 has pressure elasticity such as, for example, a thermal pad so that the front of the LED 11 is in contact with the light transmitting member 30a.

On the other hand, when the installation state of the lateral LED module 10b is transparent from the outside of the light-transmitting portion 30a, there is a fear that aesthetics may be lowered.

In order to block this, it is preferable to install a cover sheet 77 in front of the concave space 1 (35) in which the lateral LED module (10b) is installed (see Fig. 8).

The concave space 1 35 for the lateral LED module 10b is formed in a band shape around the light transmitting portion or partially around the light transmitting portion corresponding to the installation form of the lateral LED module 10b. ) Is made of acrylic or the like, and the light incident from the side is totally reflected internally and diffused to the whole area.

In this case, any one or more of a plurality of V grooves 32, fine scratches, uneven dots, printing patterns 33, and uneven sandings are formed on the back of the light-transmitting part 30a so that the total internal reflection of light is refracted and emitted to the outside. Induced light is uniformly spread over the entire area of the light-transmitting part and can be irradiated to a wider area (see FIGS. 7, 8 and 10).

In addition, it is preferable that the reflective sheet 73 is provided on at least one surface except for the front surface of the light emitting part 30a to emit the LED light (see FIGS. 8 and 11).

 In addition, the LED module 10 and the controller 50 may be formed by combining one or more LEDs 11 and the electronic devices 51 of the controller by using a single substrate 13, thereby simplifying the two components. This composite configuration is inserted into the space 1 (35) formed in the front member 30 and the battery 40 is inserted into the space 2 (36) of the front member to enable a slimmer and lighter weight of the device ( 2, 3).

In one embodiment according to the invention, the LED module 10 includes a power LED module (10p), the power LED module (10p) is a thermal diffusion sheet 71 is installed on the rear, the thermal diffusion sheet 71 ) Is preferably coupled to the front member 30 or the rear member 60 directly or through a thermally conductive adhesive means 75 (see FIGS. 1 to 3).

Preferably, the thermal diffusion sheet 71 is made of an aluminum material and prevents deterioration by quickly dispersing high heat of the power LED module 10p in a wide area.

In addition, the LED module 10 includes a power LED module 10p, and at least one front of the LED module 10 is provided with a lens 33 for concentrating or diffusing light, and the lens 33 ) Is preferably formed integrally with the light transmitting portion 30a (see Fig. 2).

The power LED module 10p is inserted into and installed in the recess 32 formed for the power LED module 10p in the light transmitting portion 30a, and the lens 33 is preferably formed in front of the power LED module 10p.

In this case, the lens 33 forms a space in communication with the groove 32 formed for the power LED module 10p and is formed convex therein, and a reflective sheet 73 is formed around the space where the convex lens is formed. It is preferably installed (see FIGS. 2, 3).

The power LED module 10p, which consumes 3W of power, is intended to shine light to a distant place and is provided with a convex lens to enhance its function.

Preferably, the control unit 50 has a battery remaining amount display unit (not shown) for displaying the remaining amount of the battery to the outside, so that it is possible to check the amount of charge in real time to facilitate the management and there is no disruption to use.

Preferably, the power connector 55 is formed to correspond to the charging connector 20 that is typically used for charging mobile phones, etc., the waterproof cover 38 is equipped with a packing member (P) at the inlet of the power connector (55). ) Is provided (see FIGS. 7 and 9).

In addition, the switch 53 may be configured as a touch type switch that is located inside the device for waterproofing and is sensitive to the touch from the outside (see FIG. 4), and installed to prevent unintentional touch malfunction. It is preferred that the indentations are formed at the surface of the body to be formed (see FIG. 11).

In one embodiment according to the present invention, the front member 30 or the rear member 60 is inserted into the magnet 80 to be mounted to the structure by using a magnetic force, thereby making it easy to detach the metal structure (See Figure 4).

In addition, the coupling portion of the front member 30 and the rear member 60 is preferably provided with a packing member (P) made of an O-ring or the like for waterproofing the internal space (see Fig. 8).

In one embodiment according to the invention, the battery 40 is further provided with a solar cell 90 for producing electricity from the solar energy for storing energy, the battery 40 includes the stored electricity LED module Supply to a light source or an external device.

In addition, the LED 11 of the LED module 10 may adopt LEDs of various color lights, such as white and red, and enable one or more color light LEDs to be lit and controlled by a switch operation and a controller.

The configuration including the red LED is useful when used as a field lamp in which red light is used as a signaling means.

In addition, preferably, the front member 30 or the rear member 60 is formed with a hook portion (H) for the strap or hook (see FIGS. 7, 9 and 10).

The hook portion (H) is preferably formed so as not to protrude to the outside, it is possible to wear the device in a variety of forms, such as hanging the device in the form of a necklace, armband or waist belt to facilitate the carrying of the device.

7, 11, reference numeral 'M' is a fastening member.

It looks at the operating state of the portable LED lamp according to the present invention having the above configuration.

The present invention is coupled to the heat exchange with any one or more of the front member 30 or the rear member 60, the substrate 13, which generates high heat when the LED module 10 is lit, the heat of the LED module 10 It is prevented from being discharged into the air of the internal space of the device and the heat dissipation is performed through the body of the front member 30 or the rear member 60 to significantly improve the heat dissipation performance.

In other words, the substrate is coupled to the heat exchanger with any one or more of the front member 30 or the rear member 60 so that the heat of the substrate is directly transmitted and discharged to the body of the front member 30 or the rear member 60. As a heat dissipation is quickly and effectively compared to the case where the heat is released into the inner space.

As described above, in order to heat-exchange with any one or more of the front member 30 or the rear member 60, the substrate 13 is preferably formed with a recess 31 into which the LED 11 is inserted. 11) The heat released through the surface is directly transmitted to the front member 30 has a synergistic effect of further improving the heat dissipation performance.

In addition, the LED module 20, the battery 40, etc. are inserted using the recess 31, the recessed space 1 35, and the recessed space 2 36 formed in the front member 30 or the rear member 60. The installation reduces the thickness and weight of the device for easy portability.

In addition, grooves 31 into which the LEDs 11 are inserted are formed, while the LED module 10 and the recesses 1 and 35 corresponding to the battery 40 are provided, thereby improving assembly. In addition, the installation state is maintained stably in the external shock.

In addition, the LED lighting may be variously controlled by the switch 53 and the controller 50.

For example, at the first touch of the switch 53, only one of the plurality of LED modules 10 is turned on, the other LED module is turned on at the second touch, and at the third touch, the power LED module 10p is turned on, and the fourth It is set to turn off when it is touched, so the illumination of the lamp can be adjusted as well as on / off.

In addition, since the rechargeable battery 40 is provided, it is unnecessary to replace the battery and the convenience is remarkably improved.

The battery 40 is easily charged by the power connector 55 being configured to use the charging connector 20 which is usually used for charging a mobile phone, and the waterproof cover 38 is provided at the entrance of the power connector 55. It can be opened and closed freely and the inside waterproof is made closely.

In one embodiment according to the present invention, when the solar cell 90 is provided, there is a remarkable advantage that no separate charging is required by storing and using the electricity produced through the cell in the battery 40.

In addition, since the electricity produced through the solar cell and stored in the battery 40 may be supplied to the outside through the power connector 55, the external device such as a mobile phone may be charged in an environment in which electricity supply is difficult.

The configuration in which the solar cell is provided is not only used as a portable lamp but also has an excellent function of being used for charging an external device such as a mobile phone in an environment in which power supply is difficult as a portable power production means.

As described above, in the portable LED lamp according to the present invention, the heat dissipation is effectively performed by combining the substrate of the LED module with any one or more of the front member or the rear member to maximize the quality characteristics, and the LED is inserted into the groove of the front member. In addition, the LED module and the battery are inserted and installed in the concave space 1 and the concave space 2 formed in the front member by implementing a light weight and slimmer, the portability is improved, and can be used for various purposes such as general emergency light and outdoor use.

In the foregoing, preferred embodiments of the present invention have been described with reference to the accompanying drawings. Here, the terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, but should be construed as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

10: LED module 10a: Omnidirectional LED module
10b: Lateral LED Module 10p: Power LED Module
11: LED 13: Substrate 30: Front member
30a; Floodlight 30b: Floodlight 31: Groove
33: lens 35: concave space 1 36: concave space 2
37: coating layer 38: waterproof cover 40: battery
50: control unit 53: switch 55: power connector
60: rear member 71: thermal diffusion sheet 73: reflective sheet
80: magnet 90: cell P: packing member

Claims (10)

A light source including one or more LED modules formed by mounting one or more LEDs on a substrate PCB;
A front member of which at least a portion of the body is an optically transparent light transmitting portion for transmitting or diffusing light of the light source;
At least one battery that supplies power to the light source and is chargeable through a power connector;
A control unit for controlling the operation of the light source and electrically connected to the battery and having a switch; And
And a rear member coupled to the front member to protect the light source, the battery, and the controller.
The LED module is coupled to the heat exchange structure with any one or more of the front member or the rear member of the substrate constituting the body of the device for heat dissipation through direct or thermally conductive adhesive means,
The LED module is a portable LED lamp, characterized in that any one or more of the front-side LED module in which the light of the LED is incident toward the front of the light-transmitting unit and the lateral LED module is incident in a direction perpendicular to the front of the light-transmitting unit. The method according to claim 1,
The front member is formed at least one or more of any one or more of the recessed space 1 for inserting the LED module to the rear, the recess for inserting the LED and the recessed space 2 for inserting the battery,
The recessed space 1 and the recess is a portable LED lamp, characterized in that formed on the light transmitting portion. delete The method according to claim 1,
The LED is a portable LED lamp, characterized in that any one or more of the plurality of V grooves, fine scratches, irregularities dot, printing pattern, sanding irregularities are formed on the back portion. The method according to claim 1,
The LED module and the control unit is a portable LED lamp, characterized in that formed using a single substrate. The method according to claim 1,
The LED module includes a power LED module,
The power LED module is a thermal diffusion sheet is installed on the back,
The thermal diffusion sheet is a portable LED lamp, characterized in that coupled to the front member or the rear member directly or through a thermally conductive adhesive means. The method according to claim 1,
The LED module includes a power LED module,
At least one front of the LED module is provided with a lens for concentrating or diffusing light,
The lens of claim 1, wherein the lens is integrally formed with a light transmitting portion. The method according to claim 1,
The controller further comprises a battery remaining amount display unit for displaying the remaining amount of the battery to the outside. The method according to claim 1,
Portable LED lamp, characterized in that the front member or the rear member is inserted into the magnet for mounting on the structure using a magnetic force. The method according to claim 1,
In order to store energy in the battery is further provided with a solar cell for producing electricity from solar energy,
The battery is a portable LED lamp, characterized in that for supplying stored electricity to a light source or an external device including the LED module.

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