KR200457938Y1 - Portable led lamp - Google Patents

Abstract

The present invention discloses a portable LED lamp. The portable LED lamp includes a plate-shaped LED module in which a plurality of LED elements are arranged; An LED module base plate disposed below the LED module and made of an aluminum thin plate; A circuit board having a wiring pattern and disposed on the LED module base plate; A main body housing accommodating the LED module, the LED module base plate, and the circuit board; A reflector hood detachably attached to the front face of the body housing; A battery pack detachably attached to a rear surface of the main body housing; A handle part coupled to a lower surface of the body housing; A trigger for power operation attached to the handle portion; And one end connected to the trigger for power operation and the other end connected to a remote switch connection terminal of a side portion of the main body housing. A screw socket for attaching a handle part is formed on a lower surface of the main body housing, and a screw screwed to the screw socket for attaching a handle part is attached to an upper surface of the handle part so that the handle part is screwed on a lower surface of the main body housing. Are combined. A plurality of heat dissipation vents are formed at left and right side portions of the main body housing. A filter insertion slot is formed in an upper surface of the reflector hood.

 Body housing, reflector hood, handle, power supply trigger, remote switch connector, connecting cable, handle socket screw socket, filter insertion slot

Description

Portable LED lamps {PORTABLE LED LAMP}

The present invention relates to an LED lamp, and more particularly, a fully assembled structure to ensure easy illumination and to ensure sufficient illuminance for use as a lighting lamp for a video camera, as well as an outdoor lighting lamp and an industrial lighting lamp. The present invention relates to a portable LED lamp having a trigger-type power supply for remotely operating an LED lamp in addition to a normal ON / OFF power button for convenience of use.

In recent years, light emitting diode (LED) elements are widely used as light sources of various lighting devices. Since LED elements have advantages of low heat generation and long lifespans compared to conventional lighting lamps such as incandescent bulbs, the LED elements are light lamps for display (signal) and general lighting devices and automotive headlights. It is put to practical use.

However, most of the LED lighting lamps currently used are fixed lamps installed indoors or outdoors, and when used as a portable lamp, they occupy a relatively small portion.

Portable LED lamps using LED devices that are currently developed are extremely limited in their use, and most of them are usually used as traffic lights or flashlights. As an example, Japanese Patent Laid-Open Publication No. 2006-331880 focuses on the function that can be used as a traffic light or a light signal at the time of construction or traffic control, and can also be used as a headlight to check the front if necessary. Disclosed is a portable LED lamp device having a. The main function of this portable LED lighting device is to serve as a traffic light and to serve as a headlamp as an auxiliary light, but it has a limitation that it can be used as a simple flashlight due to its structural features.

On the other hand, it is necessary to increase the driving current of the LED device in the lighting LED lamp that requires high brightness and high output, and the power loss of the LED device increases in proportion to it, so that the temperature of the LED device increases because most of the energy is converted into heat. It becomes high temperature. In addition, as the LED element becomes high temperature, the luminous efficiency (current-light conversion efficiency) of the LED element is deteriorated, so that the luminance is lowered, as well as the operating life of the LED element is also reduced.

The present invention is to solve the above problems, beyond the function of a portable LED lamp as a flashlight, as well as lighting lamps for video cameras, outdoor lamps such as camping, mountain climbing, cave exploration and hunting activities, or for industrial facilities It is an object of the present invention to provide a portable multi-purpose LED lamp having a light emitting structure and a heat dissipation structure configured to secure sufficient illuminance for use as a lighting lamp for crime prevention, military use, and a fire site, so as not to reduce the luminous efficiency of the LED device.

Another object of the present invention is to provide a portable LED lamp which is compactly configured in a fully assembled structure to be easy to carry.

Another object of the present invention is to provide a portable LED lamp having a trigger-type power supply for remotely operating the LED lamp in addition to the normal ON / OFF power button for convenience of use.

According to the present invention, there is provided a portable LED lamp, the portable LED lamp comprising a plate-shaped LED module is arranged a plurality of LED elements; An LED module base plate disposed below the LED module and made of an aluminum thin plate; A circuit board having a wiring pattern and disposed on the LED module base plate; A main body housing accommodating the LED module, the LED module base plate, and the circuit board; A reflector hood detachably attached to the front face of the body housing; A battery pack detachably attached to a rear surface of the main body housing; A handle part coupled to a lower surface of the body housing; A trigger for power operation attached to the handle portion; And one end connected to the trigger for power operation and the other end connected to a remote switch connection terminal of a side portion of the main body housing. A screw socket for attaching a handle part is formed on a lower surface of the main body housing, and a screw screwed to the screw socket for attaching a handle part is attached to an upper surface of the handle part so that the handle part is screwed on a lower surface of the main body housing. Are combined. A plurality of heat dissipation vents are formed at left and right side portions of the main body housing. A filter insertion slot is formed in an upper surface of the reflector hood.

According to the above configuration, the portable LED lamp of the present invention, while ensuring sufficient illuminance, does not reduce the luminous efficiency of the LED element, it goes beyond the function of a simple flashlight, as well as a lighting lamp for a (video) camera, camping, hiking, cave exploration and It can be used for various purposes such as lighting lamps for outdoor activities such as hunting activities, lighting lamps for industrial facilities, crime prevention, military and fire sites. In particular, when used as an illumination lamp for a video camera, it is useful to use a color-temperature transform filter for adjusting the color temperature in the filter insertion slot formed in the upper surface of the reflector hood.

In addition, since the portable LED lamp of the present invention is compactly constructed in a fully assembled structure, it is easy to carry and can reduce the volume as much as possible during transportation or storage.

In addition, since it is additionally equipped with a trigger-type power supply unit for remotely operating the LED lamp, it is necessary to frequently perform the ON / OFF operation of the LED lamp or ON / OFF while holding the portable LED lamp of the present invention with one hand This is very useful when you need to do something.

On the other hand, the portable LED lamp of the present invention preferably further comprises a triac dimmer in the body housing.

According to the above configuration, since the illuminance of the LED lamp can be adjusted appropriately according to the use place by using the triac dimmer, unnecessary waste of energy can be prevented.

And, it is preferable that the portable LED lamp of the present invention is formed with a screw socket for tripod attachment on the lower surface of the handle portion.

According to the above configuration, when the illumination is required for a long time stably in a fixed position can be used by fixing the portable LED lamp of the present invention to a conventional camera tripod.

In addition, the portable LED lamp of the present invention is preferably attached to the lower surface of the main body housing which can be coupled to the hot shoe (hot shoe) of the video camera.

According to the above configuration, after removing the handle portion, the main body housing is directly inserted into the hot shoe of the video camera, which is convenient to use as lighting for photographing.

According to the configuration as described above, the portable LED lamp of the present invention, while ensuring sufficient illuminance does not lower the luminous efficiency of the LED element, as well as an outdoor lamp such as camping, hiking, cave exploration and hunting activities as well as a light lamp for video cameras It can be used for versatile as lighting lamp for industrial use, lighting lamp for industrial facility, security, military and fire site.

In addition, since the portable LED lamp of the present invention is compactly constructed in a fully assembled structure, it is easy to carry and can reduce the volume as much as possible during transportation or storage.

In addition, since it is additionally equipped with a trigger-type power supply unit for remotely operating the LED lamp, it is necessary to frequently perform the ON / OFF operation of the LED lamp or ON / OFF while holding the portable LED lamp of the present invention with one hand This is very useful when you need to do something.

In addition, since the triac dimmer can adjust the appropriate illuminance according to the place of use, unnecessary waste of energy can be prevented, and as a result, the use time of the battery can be increased.

In addition, when lighting is required for a long time stably in a fixed position, by using a portable LED lamp of the present invention fixed to a conventional camera tripod, it is possible to provide stable lighting while preventing physical fatigue of the user.

In addition, if necessary, after detaching the handle portion of the portable LED lamp of the present invention, only the main body housing may be directly inserted into the hot shoe of the video camera to be used as a shooting light.

Hereinafter, with reference to the accompanying drawings will be described in detail the subject innovation.

1 and 2 respectively show a portable LED lamp according to the present invention in a perspective view and a left side view with the connection cable 50 (see FIGS. 3 and 6) omitted for simplicity of illustration. As shown in Figures 1 and 2, the portable LED lamp of the present invention is generally a main body housing 10, a main body housing (10) for accommodating the LED module 11 and the LED module base plate 12 (see Fig. 5) The reflector hood 20 detachably attached to the front surface of the 10), the battery pack 30 detachably attached to the rear surface of the main body housing 10 and the handle portion coupled to the lower surface of the main body housing 10 It includes 40.

The main body housing 10 and the reflector hood (by the pair of front engagement protrusions 17F formed on the front side of the main body housing 10 and the pair of engagement recesses 27 formed on the rear side of the reflector hood 20) 20 is detachably coupled by a pair of rear engagement protrusions 17B formed on the rear side of the body housing 10 and a pair of engagement recesses 37 formed on the front side of the battery pack 30. The body housing 10 and the battery pack 30 are detachably coupled.

On the other hand, a screw socket for attaching the handle portion 18 (see FIG. 4) is formed on the lower surface of the main body housing 10, and the screw surface is screwed to the screw socket for attaching the handle portion to the upper surface of the handle portion 40. A screw 43 (see FIG. 3) is attached, and a screw adjustment disk 42 is attached to the side of the handle portion 40. When the screw adjusting disk 42 is turned to the right, the screw 43 is moved upward while being rotated to be screwed into the screw socket for attaching the handle portion, so that the handle portion 40 is coupled to the main housing 10, and the screw adjustment is performed. Rotating the disk 42 to the left moves the screw 43 downward while rotating, so that the screw 43 is detached from the screw socket 18 for attaching the handle portion, and as a result, the handle portion 40 is removed from the main housing 10. Are separated.

As described above, in the portable LED lamp of the present invention, the main body housing 10, the reflector hood 20, the battery pack 30, and the handle portion 40 are easily assembled and disassembled, and thus, during transportation or storage. To reduce the volume as much as possible.

More specifically, looking at a portable LED lamp according to the present invention, as shown in Figures 2 to 4, the handle portion 40 is attached to the trigger 41 for power operation, one end is inserted groove ( 45 is connected to the power supply trigger 41 and the opposite end includes a connection cable 50 connected to the remote switch connection terminal 14 of the side of the main body housing 10. The power supply trigger 41 and the connection cable 50 constitute a trigger type power supply for remotely operating the portable LED lamp of the present invention. That is, when the power supply trigger 41 is pulled with a finger while the connecting cable 50 is connected to the trigger 41 for power operation and the remote switch connection terminal 14, the LED lamp is turned on, and the trigger for power operation is performed. When the pulling force of 41 is released, the LED lamp is turned off by the restoring force of the spring (not shown) installed inside the handle part 40. This trigger type power supply is very useful when it is necessary to frequently perform the ON / OFF operation of the LED lamp or when you need to perform the ON / OFF operation while holding the portable LED lamp of the present invention with one hand.

In addition, the reflector hood 20 installed on the front surface of the main body housing 10 serves to increase light condensation and to reach light to a relatively long distance, and the filter insertion slot 21 is disposed on the upper surface of the reflector hood 20. ) Is formed, and a plurality of filter sliding jaws 22, which serve to guide and hold the filter 70, are formed on the inner surface of the reflector hood 20. The front cover glass of the reflector hood 20 is preferably made of Pyrex glass which has an excellent effect on heat resistance.

In addition, the portable LED lamp of the present invention is a plate-shaped LED module 11 in which a plurality of LED elements are arranged in the main body housing 10, the LED module base plate which is disposed under the LED module 11 and is made of aluminum thin plates. 12 and a wiring pattern, and a circuit board (not shown) disposed on the LED module base plate 12 (see Fig. 5). As shown in FIG. 5, 30 LED elements are arranged in the LED module 11, and the LED module 11 is a rectangular plate, but the LED elements are arranged in the LED module 11 depending on the use. The number of shapes and the shape of the LED module 11 can be changed as appropriate.

Assuming that one LED device emits about 700 lumens at a time, when 30 LED elements are installed, it can emit more than 20,000 lumens of light. In addition, using the battery pack 30 in which 5 lithium-ion rechargeable batteries 39 of 4V and 2700 mA are connected in parallel can be used continuously for 5 hours. In addition, by connecting the auxiliary battery pack 90 to the auxiliary battery connection jack 31 of the battery pack 30 using the auxiliary battery pack connecting cable 91, the use time can be further increased, and it is designed as a constant voltage stabilizer circuit. By charging the battery pack 30 by connecting the adapter 80 to the charging jack 32, it is possible to ensure the life of the battery to the maximum by always preventing overcharge (see FIGS. 1 and 3). Incidentally, the battery pack 30 shown in Figure 1 is formed with a plurality of heat dissipation holes 33 for dissipating heat generated from the battery, can be tied to the string used during transportation or storage of the battery pack 30. Ring 34 is attached.

In general, a metal plate is used as a heat sink in the base portion of the LED element to cool the heat generated from the LED element. In this case, the heat sink is a problem in miniaturizing the LED lamp because the heat sink occupies a considerable volume.

In order to solve this problem, the present invention uses an aluminum thin plate having a thickness of about 1 mm as a heat sink (that is, an LED module base plate). According to this method, since the volume occupied by the heat sink is extremely small, the LED lamp can be compactly constructed, and the heat dissipation effect is also improved as compared with the case of using a conventional metal plate. A plurality of heat dissipation vents 13 are formed at left and right side portions of the main body housing 10.

According to the above configuration, the portable LED lamp of the present invention, while ensuring sufficient illuminance, does not reduce the luminous efficiency of the LED element, it goes beyond the function of a simple flashlight, as well as a lighting lamp for a (video) camera, camping, hiking, cave exploration and It can be used for various purposes such as lighting lamps for outdoor activities such as hunting activities, lighting lamps for industrial facilities, crime prevention, military and fire sites.

In particular, when used as an illumination lamp for a video camera, various optical filters such as a color-temperature transform filter for adjusting the color temperature in the filter insertion slot 21 formed in the upper surface of the reflector hood 20. It is useful to insert and use 70.

More specifically, the color temperature value of the general natural light is 5500 Kelvin (K), the red color is stronger at a lower color temperature and the blue color is stronger at a higher color temperature. The color temperature conversion filter (that is, the color temperature control filter) serves to change the color temperature value in various environments to a color temperature value close to natural light. Therefore, in order to adjust the white light peculiar to the color of the LED lamp closer to the natural light, the color temperature conversion filter may be inserted into the front of the LED lamp to obtain a more natural image. In particular, when the convex lens filter is inserted and used, the straightness of the light can be enhanced to obtain even brighter light.

4, the ON / OFF switch 16 and the triac dimmer 15 are attached to the main body housing 10 of the portable LED lamp of the present invention. When the triac dimmer 15 is used, the illuminance of the LED lamp can be adjusted appropriately according to the intended use, and unnecessary waste of energy can be prevented.

As shown in Figure 3, the portable LED lamp of the present invention is preferably formed with a tripod attachment screw socket 44 on the lower surface of the handle portion (40). If the screw on the upper part of the normal camera tripod 60 is screwed into this tripod attachment screw socket 44, the portable LED lamp of this invention can be fixed to a normal camera tripod 60, and can be used. 6 shows a state in which the portable LED lamp of the present invention is fixed to the camera tripod 60.

As shown in Figure 4, the portable LED lamp of the present invention is preferably attached to the lower surface of the main body housing 10, the bracket 19 that can be coupled with the hot shoe (hot shoe) of the video camera. Using this bracket 19, after removing the handle portion 40, it is convenient to insert the main body housing 10 directly into the hot shoe of the video camera to use as lighting for shooting.

So far, the present invention has been described with respect to specific embodiments with reference to the accompanying drawings, but the present invention is not limited to the above-described specific embodiments, and those of ordinary skill in the art to which the present invention pertains. It includes all the modified embodiments that can be modified and carried out without departing from the spirit and technical scope of the present invention described in.

1 is a perspective view of a portable LED lamp according to the present invention.

2 is a left side view of a portable LED lamp according to the present invention.

3 is an exploded perspective view of a portable LED lamp according to the present invention.

Figure 4 is a perspective view showing in detail the respective parts of the body housing of the portable LED lamp according to the present invention.

5 is a schematic view showing an LED module base plate made of a plate-shaped LED module and an aluminum thin plate.

6 is a state diagram used to use a portable LED lamp fixed to a tripod according to the present invention.

7 is a schematic circuit diagram of a portable LED lamp according to the present invention.

Claims (4)

As a portable LED lamp, A plate-shaped LED module in which a plurality of LED elements are arranged; An LED module base plate disposed below the LED module and made of an aluminum thin plate; A circuit board having a wiring pattern and disposed on the LED module base plate; A main body housing accommodating the LED module, the LED module base plate, and the circuit board; A reflector hood detachably attached to the front face of the body housing; A battery pack detachably attached to a rear surface of the main body housing; A handle part coupled to a lower surface of the body housing; A trigger for power operation attached to the handle portion; And One end is connected to the trigger for power operation and the other end is connected to a remote switch connection terminal of the side of the main body housing; A screw socket for attaching a handle part is formed on a lower surface of the main body housing, and a screw screwed to the screw socket for attaching a handle part is attached to an upper surface of the handle part so that the handle part is screwed on a lower surface of the main body housing. Combined with A plurality of heat radiation vents are formed on the left and right side portions of the main body housing, Portable LED lamp, characterized in that the filter insertion slot is formed on the upper surface of the reflector hood. A portable LED lamp according to claim 1, wherein a triac dimmer is attached to said body housing. The portable LED lamp according to claim 1 or 2, wherein a screw socket for attaching a tripod is formed on a lower surface of the handle part. The portable LED lamp of claim 1 or 2, wherein a lower surface of the main body housing is attached to a bracket that can be coupled to a hot shoe of a video camera.

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