KR20220004851A - LED module outdoor lighting fixture using dimming - Google Patents

Abstract

The present invention relates to an LED module outdoor lighting fixture using dimming, in which a control circuit is configured to enable light-emitting diode dimming control and surge protection and enable light-emitting diode light efficiency and harmonic wave improvement. The LED module outdoor lighting fixture using dimming of the present invention includes: a PCB substrate connected to an AC or DC dimming circuit, allowing the current of the dimming circuit to flow, and provided with a control circuit for dimming control for at least one embedded light-emitting diode and light-emitting diode protection from surge; a lens module disposed on one side of the PCB substrate and provided with at least one lens so that light emitted by the light-emitting diode is diffused; an outer casing having a sealed structure by being coupled to the lens module so as to accommodate the PCB substrate inside and causing the PCB substrate to be waterproof, dust-proof, and moisture-proof by the sealed structure; a heat dissipation module in contact with the outer casing on one side such that the heat of the PCB substrate is transmitted through the outer casing and provided with at least one heat dissipation plate such that the heat of the PCB substrate is dissipated; and a detection sensor detecting an object approaching the LED module outdoor lighting fixture within a preset distance and generating a detection signal in the event of object detection. According to the present invention, it is possible to achieve light-emitting diode dimming control and surge protection and achieve light-emitting diode light efficiency and harmonic wave improvement.

Description

LED module outdoor lighting fixture using dimming}

The present invention relates to an LED module outdoor lighting fixture using dimming, and more particularly, dimming control circuits capable of improving light efficiency and harmonics of light emitting diodes while enabling dimming control and surge protection of light emitting diodes. It relates to LED module outdoor lighting fixtures.

In general, an LED lamp implemented by a light emitting diode (LED) is driven with less power consumption than a general lamp. LED lamps can produce a variety of effects by controlling the blinking sequence, emission color, and brightness (dimming) of LEDs installed in multiple arrays.

These LED lamps are mainly implemented in various ways, such as general lighting of indoor interiors, mood lighting for creating a specific atmosphere, and advertising lighting in shops.

In addition, the LED lamp is generally composed of an LED module that emits light of a certain color, and a control circuit that controls the color, blinking state, brightness (dimming) of the light emitted from the LED module, and the like.

In addition, the control circuit of the LED lamp is configured to include a power supply unit for supplying the voltage and current suitable for the LED module and the control circuit to convert the power applied from the outside. An LED module is composed of a number of LED elements mounted in a certain arrangement on a circuit board (mainly a PCB), and the LED element may emit light of a single color, or multiple colors can be selectively selected according to external electrical/electronic signals. output can be applied.

The control circuit of the LED lamp is configured to output signals for controlling the operation of the blinking sequence, emission color, brightness (dimming), etc. for a plurality of LEDs.

However, the conventional LED lamp has a problem in that the light efficiency of a plurality of LEDs is low due to harmonics and flicker even though the operation is controlled by the control circuit.

In addition, in the conventional LED lamp, the control circuit is heated to a high temperature by the heat of the components, and malfunction or damage of the control circuit may occur. There is a problem in that a malfunction or damage of the control circuit may occur due to this.

Republic of Korea Patent Publication No. 10-1674550 (Registered on November 3, 2016) Republic of Korea Patent Publication No. 10-2013-0120421 (published on November 04, 2013)

Therefore, the present invention has been devised to solve the above problems, and the dimming control and surge protection of the light emitting diode are possible while the control circuit capable of improving the light efficiency and harmonics of the light emitting diode is configured using a dimming LED module. An object of the present invention is to provide an outdoor lighting fixture.

Another object of the present invention is to provide an LED module outdoor lighting fixture using dimming provided with a heat dissipation module for heat dissipation of a PCB board and an enclosure for waterproof, dustproof and moisture proof.

On the other hand, the technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly to those of ordinary skill in the art to which the present invention belongs from the description below. can be understood

As a technical means for achieving the above object, the LED module outdoor lighting fixture using the dimming of the present invention is connected to an AC AC or DC DC dimming circuit so that the current of the dimming circuit flows, a PCB board provided with a dimming control and a control circuit for protecting the light emitting diodes from surges; a lens module disposed on one side of the PCB substrate and provided with one or more lenses for diffusing the light emitted from the light emitting diode; an enclosure coupled to the lens module to accommodate the PCB board therein and having a sealing structure, and for making the PCB board waterproof, dustproof and moistureproof through the hermetic structure; a heat dissipation module having one side in contact with the enclosure to receive heat from the PCB board through the enclosure, and having one or more heat sinks for dissipating heat of the PCB board; and a detection sensor that detects an object approaching within a preset distance to the LED module outdoor lighting fixture and generates a detection signal when detecting the object.

In addition, the control circuit includes: an LED driver for controlling the illuminance and luminance of the light emitting diode; and a surge protection unit for protecting the light emitting diode from a surge.

And the LED driver, a dimming adjustment unit for adjusting the illuminance and luminance of the light emitting diode; a current limiter for limiting the current of the control circuit to a constant current; and a power adjusting unit for adjusting the power of the control circuit.

In addition, the dimming adjustment unit, when receiving a detection signal from the detection sensor, adjusts the illuminance and luminance so that light is emitted from the light emitting diode.

And the control circuit, a constant current generation circuit for limiting the current of the control circuit to the constant current determined by the current limiting unit; and a field effect transistor for adjusting the power of the control circuit with the power determined by the power adjusting unit.

In addition, the control circuit is disposed between the dimming circuit and the LED driver, the dimming resistor unit is provided with one or more dimming resistors for controlling the current flowing toward the LED driver; and a noise filter unit disposed between the dimming circuit and the LED driver and having one or more capacitors and resistors for filtering noise included in the current flowing toward the LED driver.

And the lens module, the lens module body provided to be spaced apart at regular intervals; one or more fastening members for coupling with the enclosure; and a battery accommodating part providing an accommodating space for accommodating the battery installed on the PCB substrate.

In addition, for LED module outdoor lighting fixtures, waterproof, dustproof and moisture proof standards are IP66 or higher.

And the LED module outdoor lighting fixture, so that the lens module and the detection sensor are exposed to the outside, the PCB board, the enclosure and the heat dissipation module are arranged inside, and the heat sink for discharging the heat radiated from the heat dissipation module to the outside is on one side It further includes; one or more housings formed.

According to the present invention, it is possible to improve the light efficiency and harmonics of the light emitting diode while dimming control and surge protection of the light emitting diode are possible.

In addition, according to the present invention, heat dissipation, waterproofing, dustproofing and moisture proofing of the PCB board are possible, so that the protection and lifespan of the PCB board can be extended.

And according to the present invention, since the control circuit can be connected to the dimming circuit of AC AC or DC DC, respectively, dimming control of AC AC and DC DC may be possible.

On the other hand, the effects obtainable in the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the following description. will be able

1 is an exploded perspective view of main components of an LED module outdoor lighting fixture using dimming according to the present invention.
2 is a perspective view showing the external appearance of an LED module outdoor lighting fixture using dimming according to the present invention.
3 is a block diagram showing main components of a control circuit according to the present invention.
4 is a block diagram showing the components of a surge protection unit according to the present invention.
5 is a circuit diagram showing a control circuit according to the present invention.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art to which the present invention pertains can easily implement them. However, since the description of the present invention is merely an embodiment for structural or functional description, the right (the scope of the present invention) should not be construed as being limited by the embodiment described in the text. That is, the embodiment is subject to various changes Since this is possible and can take various forms, it should be understood that the scope of the present invention includes equivalents that can realize the technical idea.In addition, the object or effect presented in the present invention must include all of the object or effect of the present invention. It is not meant to include only such effects, so the scope of the present invention should not be construed as being limited thereby.

The meaning of the terms described in the present invention should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component. When a component is referred to as being “connected to” another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. Meanwhile, other expressions describing the relationship between elements, that is, "between" and "between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The singular expression is to be understood to include the plural expression unless the context clearly dictates otherwise, and terms such as "comprise" or "have" are not intended to refer to the specified feature, number, step, action, component, part or any of them. It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless otherwise defined. Terms defined in general used in the dictionary should be interpreted as having the same meaning in the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

Hereinafter, with reference to the accompanying drawings, the LED module outdoor lighting fixture 1 (hereinafter, referred to as 'LED module outdoor lighting fixture (1)') using dimming of a preferred embodiment will be described in detail.

1 is an exploded perspective view of the main components of the LED module outdoor lighting fixture using dimming according to the present invention, Figure 2 is a perspective view showing the external appearance of the LED module outdoor lighting fixture using the dimming according to the present invention, Figure 3 is this It is a block diagram showing the main components of the control circuit according to the present invention, Fig. 4 is a block diagram showing the components of the surge protection unit according to the present invention, and Fig. 5 is a circuit diagram showing the control circuit according to the present invention.

1 to 5, the LED module outdoor lighting fixture (1) is installed outdoors and is a device capable of dimming control that emits light when an object approaches within a preset distance (eg, 0.5 to 2 m). It is configured to include a substrate 10 , a lens module 20 , an enclosure 30 , a heat dissipation module 40 , and a detection sensor 50 .

The LED module outdoor lighting fixture (1) is such that the lens module 20 and the detection sensor 50 are exposed to the outside, and the PCB substrate 10, the enclosure 30 and the heat dissipation module 40 are disposed therein, , the outer shape is made of a housing 5 in which one or more heat dissipation ports 5a for discharging heat radiated from the heat dissipation module 40 to the outside are formed on one side.

In this case, the lens module 20 and the detection sensor 50 as well as the heat sink 5a may be disposed on one side of the housing 5 .

In addition, one side of the housing 5 is coupled to the rotation means 7 so that the light diffusion direction of the lens module 20 or the sensing direction (or sensing area) of the detection sensor 50 can be changed.

At this time, the rotating means 7 may change the direction of the housing 5 by the user's external force or change the direction of the housing 5 remotely by a separate control means (not shown).

The PCB board 10 is connected to the dimming circuit 140 of AC AC or DC DC so that the current of the dimming circuit 140 flows, dimming control and surge of one or more light emitting diodes 130 built into the board body 11 . A control circuit 100 for protection is provided.

3 to 5 , the control circuit 100 includes a surge protection unit 110 , an LED driver 120 , a light emitting diode 130 , a dimming circuit 140 , a dimming resistor unit 150 , and a noise filter unit. 160 , a constant current generating circuit 170 and a field effect transistor 180 are provided.

The control circuit 100 can improve the light efficiency and harmonics of the light emitting diode 130 while dimming control and surge protection of the light emitting diode 130 are possible through the above components.

In addition, the control circuit 100 has an effect of improving the light efficiency (72%) of the light emitting diode of the conventional AC AC control circuit to about 85% of the light efficiency of the light emitting diode 130 through the above components.

The surge protection unit 110 is provided with a surge protection means for protecting the light emitting diode 130 from a surge, and is disposed between the dimming circuit 140 and the LED driver 120 in a preferred embodiment to control the control circuit 100 . Accordingly, it is possible to limit the surge current flowing toward the LED driver 120 .

In a preferred embodiment, the surge protection means may consist of a fuse 111 , a varistor 112 and an arrester 113 .

The fuse 111 blocks the short-circuit current of the control circuit 100 and may be implemented as a plurality of fuses to block the short-circuit current.

The varistor 112 limits the surge current to a reference value or less while suppressing the movement of the surge current (or surge voltage), and may be implemented as a plurality of varistors to limit the surge current.

Here, the varistor 112 may be implemented as a resistor or an inductor, which is a blocking device for suppressing the movement of the surge current.

In addition, the varistor 112 may be implemented as a zinc oxide varistor or an avalanche diode, which is a clamping device for limiting the surge current to a reference value or less.

And the varistor 112 of the preferred embodiment may include both the varistor of the blocking type element and the varistor of the blocking type element.

However, the varistor 112 is not limited to the blocking-type element and the blocking-type element, and may be implemented by other means for limiting the surge current to a reference value or less.

The arrester 113 may discharge the surge current flowing along the control circuit 100 to the ground line to protect the PCB substrate 10 from the surge current.

The arrester 113 may be implemented as a gas tube arrester, which is a diverting device for limiting the surge current of the control circuit 100 to a reference value or less by discharging the surge current to the ground line.

The LED driver 120 is an integrated circuit usable in AC and DC circuits, and includes a dimming control unit 121 , a current limiting unit 122 , and a power control unit 123 .

When receiving a detection signal from the detection sensor 50 , the dimming adjustment unit 121 adjusts illuminance and luminance so that light is emitted from the light emitting diode 130 .

When the dimming adjustment unit 121 does not receive a detection signal from the detection sensor 50 , the dimming adjustment unit 121 may adjust illuminance and luminance so that light is not emitted from the light emitting diode 130 .

The current limiter 122 is provided in the LED driver 120 to limit the current flowing along the control circuit 100 to a constant current.

The current limiter 122 may limit the current of the control circuit 100 to a constant current by controlling the resistance value of the variable resistor provided in the constant current generating circuit 170 .

The power adjusting unit 123 is provided in the LED driver 120 to adjust the power of the control circuit 100 .

The power adjusting unit 123 may adjust the power of the control circuit 100 by applying an appropriate voltage to the gate of the field effect transistor 180 .

Furthermore, the LED driver 120 is implemented as a PA0250 LED driver applicable to the control circuit 100 of AC AC and can be driven at a maximum of 25 W at 220 VAC, and 50 W of power through the field effect transistor 180 can be extended to

In this way, the PA0250 LED driver improves the efficiency of the field effect transistor 180 by lowering the heat generation of the field effect transistor 180 .

However, the LED driver 120 is not limited to the PA0250 LED driver, and may be implemented and driven as an integrated circuit for other AC AC circuits, and when the control circuit 100 is implemented as a DC DC control circuit, a DC circuit It can be implemented and driven as an integrated circuit for use.

In addition, the LED driver 120 includes an integrated circuit for AC alternating current and an integrated circuit for DC direct current in the control circuit 100 to be applicable to the control circuit 100 for AC alternating current and DC direct current, and the control circuit 100 ), at least one LED driver may be operated depending on the type. In this case, in the control circuit 100 , a control unit (not shown) for controlling the operation of the LED driver 120 may be separately disposed in the control circuit 100 .

In addition, although not shown in the drawings, the LED driver 120 may additionally include control means for controlling each of the blinking order and the emission color of the light emitting diode 130 .

One or more light emitting diodes 130 are installed on one surface of the substrate body 11 at regular intervals, and when the LED driver 120 receives a detection signal, the illuminance and luminance are controlled according to the dimming control of the dimming control unit 121, The light is emitted, and the blinking sequence and the emission color can be controlled by the control means of the LED driver 120 .

In addition, when the LED driver 120 does not receive the detection signal, the light emitting diode 130 is dimmed by the dimming control unit 121 to omit light emission.

In addition, the light emitting diodes 130 are arranged in one row 130a, second row 130b, and third row 130c on one surface of the PCB substrate 10, and the first row 130a, the second row 130b, and the second row The rows 130b and the third row 130c may be occlusally arranged.

As described above, the space between the first row 130a and the third row 130c in which the light emitting diodes 130 are occluded, and the remaining space in which the light emitting diodes 130 are not arranged among the parallel regions of the second row 130b This is to form a through hole 13 and attaching and detaching of the battery 12 in the .

The dimming circuit 140 may be implemented as an AC AC dimming circuit or a DC DC dimming circuit. Accordingly, it is preferable that the control circuit 100 is connected to the dimming circuit 140 of AC alternating current or DC direct current so that current flows.

The dimming resistor unit 150 is disposed between the dimming circuit 140 and the LED driver 120 , and one or more dimming resistors are provided to control the current flowing toward the LED driver 120 .

In a preferred embodiment, the dimming resistor unit 150 includes a first dimming resistor (“RDIM 1” in FIG. 5 ) disposed in the control circuit 100 and a second dimming resistor disposed between the control circuit 100 and the ground line. (“RDIM 2” in FIG. 5). However, in the dimming resistor unit 150 , in addition to the first and second dimming resistors, a dimming resistor for current control may be added or the configuration of at least one of the first and second dimming resistors may be omitted.

The noise filter unit 160 is disposed between the dimming circuit 140 and the LED driver 120 , and includes one or more capacitors and resistors for filtering noise included in the current flowing toward the LED driver 120 .

In a preferred embodiment, the noise filter unit 160 may be implemented as an RC circuit in which one or more capacitors and resistors are disposed to filter noise included in the current.

In addition, in a preferred embodiment, although resistance is not shown in the noise filter unit 160 , it is preferable that a resistor is provided. It can act as a resistance.

Accordingly, the noise filter unit 160 may implement an RC circuit together with the dimming resistor unit 150 .

Furthermore, the noise filter unit 160 may be implemented as an EMI (Electro Magnetic Interference) filter as well as an RC circuit to filter noise included in the current.

In this case, the noise filter unit 160 may have capacitors and resistors connected in series or in parallel to be implemented as an EMI filter, and components such as an inductor may be additionally provided in the circuit.

The constant current generation circuit 170 is disposed between the LED driver 120 and the light emitting diode 130 , and includes one or more variable resistors for limiting the current of the control circuit 100 to the constant current determined by the current limiter 122 . are placed

In the constant current generating circuit 170 , the variable resistance value may be changed by the current limiter 122 .

The field-effect transistor 180 (Field-effect transistor, FET) is disposed between the LED driver 120 and the light emitting diode 130 , and by an electric field generated by applying a voltage to the gate, electrons (-) or positive holes (+) ) flows toward the light emitting diode 130 along the control circuit 100 .

The field effect transistor 180 adjusts the power of the control circuit 100 with the power determined by the power adjusting unit 123 through electric field control.

In addition, the field effect transistor 180 is preferably equipped with a metal and a dielectric material (dielectric) to form an electric field, and a material such as silicon dioxide (silicon oxide) may be used as the dielectric.

Meanwhile, the control circuit 100 may be implemented as at least one of a 1-10 V dimming method, a PWM (Pulse Width Modulation) dimmer method, and a variable resistance dimming method, and is implemented as a 1-10 V dimming circuit in a preferred embodiment. can be

Here, in the 1-10 V dimming method, when the dimming is adjusted to 1 V, the light intensity of the light emitting diode 130 is adjusted the weakest, and on the contrary, when the dimming is adjusted to 10 V, the light intensity of the light emitting diode 130 is adjusted to 10 V. This is the most strongly tuned method.

In addition, in the control circuit 100, dimming may be sequentially adjusted to prevent eye fatigue according to the instantaneous difference in illuminance and luminance depending on the installation location of the LED module outdoor lighting fixture 1 .

As a specific example, when the control circuit 100 detects an object, after turning on the light emitting diode 130, the dimming is adjusted in order from 1 V to 2 V, 3 V ... and sequentially adjusted to 10 V. have. Conversely, when the detection of the object is canceled, the dimming is adjusted in the order of 10 V, 9 V, 8 V... to 1 V, and then the light emitting diode 130 may be turned off.

The PCB substrate 10 has a battery 12 detachable from one side to supply power for operating the LED driver 120 and the light emitting diode 130 .

In a preferred embodiment, the battery 12 is disposed in parallel with the light emitting diodes 130 of the second row 130a, and may be attached between the light emitting diodes 130 of the first row 130a and the third row 130c.

In addition, in the PCB substrate 10 , a through hole 13 is formed in the vicinity of the battery 12 .

The through hole 13 is connected to the battery 12 when the PCB board 10 is disposed between the lens module 20 and the enclosure 30 and the lens module 20 and the enclosure 30 are coupled. The cable and the terminal may be penetrated so that the cable and the terminal are disposed in the receiving space of the enclosure 30 .

The lens module 20 is disposed on one side of the PCB substrate 10 to diffuse the light emitted from the light emitting diode 130 .

The lens module 20 includes a lens module body 21 , a lens 22 , a fastening member 23 , and a battery accommodating part 24 .

The lens module body 21 is a frame constituting the lens module 20 such that one or more lenses 22 are spaced apart from each other at regular intervals.

The lenses 22 are provided as one or more of the lens module body 21 and are arranged in one row 22a, second row 22b, and third row 22c on one surface, and each lens 22 is a light emitting diode 130 . ), the first row 22a and the second row 22b and the second row 22b and the third row 22c may be occluded so as to be parallel to the arrangement of each light emitting diode 130 in order to diffuse the light.

In addition, the lens 22 is preferably implemented as a convex lens for diffusing the light of the light emitting diode 130 .

One or more fastening members 23 are provided for coupling the lens module body 21, the enclosure body 31, and the heat dissipation module frame 41, and a plurality of fasteners are formed at the ends of the lens module body 21 ( 21a) through the end of the enclosure body 31 and the heat dissipation module frame 41 may be penetrated.

The battery accommodating part 24 has an accommodating space for accommodating the battery 12 attached to one surface of the PCB substrate 10 therein, and the first row 22a and the third row are parallel to the arrangement of the battery 12 . As it is provided in the space between the space 22c and the area parallel to the second row 22b in which the lens 22 is not disposed, the battery 12 when the substrate body 11 and the lens module body 21 are combined. It can be arranged parallel to the battery 12 to be arranged in the receiving space.

After the PCB substrate 10 is placed in the receiving space, the enclosure 30 is coupled with the lens module body 21 through the fastening member 23 to have a sealed structure, so that the PCB substrate 10 is waterproof, dustproof and moistureproof. make it happen

The enclosure 30 includes an enclosure body 31 , a fastener 32 , and a packing member 33 .

One or more fasteners 32 for coupling with the lens module body 21 are formed at the end of the enclosure body 31 .

In addition, the enclosure body 31 may have an IP66 or higher standard for waterproofing, dustproofing and moistureproofing. Here, IP66 or higher means that the standard of waterproofing, dustproofing and moistureproofing of the enclosure body 31 may be IP67 or IP68, or may be IP68 or higher.

Through this, the LED module outdoor lighting fixture (1) may have IP66 standards for waterproof, dustproof and moistureproof.

And, although the enclosure body 31 is not shown in the drawing, a receiving groove into which the cable and the terminal can be inserted is accommodated in order to prevent the cable and the terminal of the battery 12 passing through the through hole 13 from flowing in the receiving space. It is formed in the space to prevent the flow of cables and terminals of the battery 12 .

Here, the accommodating groove of the enclosure body 31 is not protruded from one side of the enclosure body 31 in contact with the heat dissipation module frame 41 so that the coupling of the enclosure body 31 and the heat dissipation module frame 41 is possible. It is preferable to be formed in the receiving space of the main body (31).

The fastener 32 is formed at the end of the enclosure body 31 in parallel to the fastener 21a formed at the end of the lens module body 21, so that the lens module body 21 through the fastening member 23 is penetrated. and the enclosure body 31 are coupled to each other.

The packing member 33 is made of a material such as rubber or silicone to prevent a fluid such as water from penetrating into the gap between the lens module body 21 and the enclosure body 31 coupled to each other, and the enclosure body 31 . is provided on one side of

The heat dissipation module 40 radiates heat of the PCB substrate 10 received through the enclosure module body 31 through contact with the enclosure module body 31 .

The heat dissipation module 40 includes a heat dissipation module frame 41 and a heat dissipation plate 42 .

One side of the heat dissipation module frame 41 is in contact with the enclosure module body 31 to receive heat from the PCB board 10 through the enclosure module body 31 .

The heat dissipation module frame 41 penetrates the fastening member 23 in a region parallel to the fastener 21a formed at the end of the lens module body 21 and the fastener 32 formed at the end of the enclosure body 31 . A fastener (41a) for the is formed.

The fastener 41a allows the lens module body 21 , the enclosure body 31 , and the heat dissipation module frame 41 to be coupled through the fastening member 23 .

The heat dissipation plate 42 is coupled to the other surface of the heat dissipation module frame 41 to dissipate the heat of the PCB substrate 10 received by the heat dissipation module frame 41 from the enclosure body 31 .

Through the heat dissipation process of the heat dissipation plate 42 , the heat dissipation module frame 41 is prevented from being excessively heated, and the PCB substrate 10 is also maintained at an appropriate temperature to prevent malfunction of the LED driver 120 .

On the other hand, in the substrate body 11, the enclosure body 31 and the heat dissipation module frame 41, fasteners 11a and 41b are formed in the center so that the fastening member 23 penetrates the center, so that the substrate body ( 11), the coupling structure of the enclosure body 31 and the heat dissipation module frame 41 may be reinforced. Here, although the fastener is not shown in the central portion of the enclosure body 31 , it is preferable that the fastener is formed in the central portion so that the fastening member 23 passes therethrough.

The detection sensor 50 is provided on one side of the housing 5 together with the lens module body 21 to detect an object approaching within a predetermined distance to the LED module outdoor lighting fixture 1 and is exposed to the outside.

When the detection sensor 50 detects one or more objects within a preset distance, it generates a detection signal and transmits it to the LED driver 120 .

Here, the object may be a movable person, a vehicle, etc., among which, if the object is a person, the detection sensor 10 has a built-in thermal imaging camera capable of detecting a person's body temperature or an infrared camera capable of detecting infrared rays emitted from the body. It is possible to detect whether a person, which is an object, approaches within a preset distance.

The detailed description of the preferred embodiments of the present invention disclosed as described above is provided to enable any person skilled in the art to make and practice the present invention. Although the above has been described with reference to preferred embodiments of the present invention, it will be understood by those skilled in the art that various modifications and changes can be made to the present invention without departing from the scope of the present invention. For example, a person skilled in the art may use each configuration described in the above-described embodiments in a way that is combined with each other. Accordingly, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The present invention may be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention. Accordingly, the above detailed description should not be construed as restrictive in all respects but as exemplary. The scope of the present invention should be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are included in the scope of the present invention. The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. In addition, claims that are not explicitly cited in the claims may be combined to form an embodiment, or may be included as new claims by amendment after filing.

1: LED module outdoor lighting fixture, 5: housing,
5a: heat sink, 7: rotation means,
10: PCB board, 11: board body,
11a: fastener, 12: battery,
13: through hole, 20: lens module,
21: lens module frame, 21a: fastener,
22: lens, 23: fastening member,
24: battery compartment, 30: enclosure,
31: enclosure body, 32: fasteners,
33: packing member, 40: heat dissipation module,
41: heat dissipation module frame, 41a, 41b: fasteners,
42: heat sink, 50: detection sensor,
100: control circuit, 110: surge protection unit,
111: fuse, 112: varistor,
113: arrester, 120: LED driver,
121: dimming adjustment unit, 122: current limiting unit;
123: power adjustment unit, 130: light emitting diode,
140: dimming circuit, 150: dimming resistor unit,
160: noise filter unit, 170: constant voltage generation circuit unit,
180: field effect transistor.

Claims (9)

In the LED module outdoor lighting fixture,
a PCB board connected to an AC alternating current or DC direct current dimming circuit so that the current of the dimming circuit flows, and a control circuit for dimming control of one or more built-in light emitting diodes and a control circuit for protecting the light emitting diodes from surges;
a lens module disposed on one side of the PCB substrate and provided with one or more lenses for diffusing the light emitted from the light emitting diode;
an enclosure coupled with the lens module to accommodate the PCB substrate therein and having a sealing structure, and configured to waterproof, dustproof and moisture-proof the PCB substrate through the sealing structure;
a heat dissipation module having one side in contact with the enclosure to receive heat from the PCB board through the enclosure, and having one or more heat sinks for dissipating heat of the PCB board; and
LED module outdoor lighting fixture using dimming, characterized in that it includes; a detection sensor that detects an object approaching within a preset distance to the LED module outdoor lighting fixture, and generates a detection signal when the object is detected. The method of claim 1,
The control circuit is
an LED driver for controlling illuminance and luminance of the light emitting diode; and
LED module outdoor lighting fixture using dimming, characterized in that it comprises; a surge protection unit for protecting the light emitting diode from a surge. 3. The method of claim 2,
The LED driver is
a dimming adjustment unit for adjusting illuminance and luminance of the light emitting diode;
a current limiter for limiting the current of the control circuit to a constant current; and
LED module outdoor lighting fixture using dimming, characterized in that it comprises; a power adjustment unit for adjusting the power of the control circuit. 4. The method of claim 3,
The dimming adjustment unit,
When the detection signal is received from the detection sensor, an LED module outdoor lighting fixture using dimming, characterized in that the illuminance and luminance are adjusted so that light is emitted from the light emitting diode. 4. The method of claim 3,
The control circuit is
a constant current generation circuit for limiting the current of the control circuit to the constant current determined from the current limiter; and
LED module outdoor lighting fixture using dimming, characterized in that it further comprises; a field effect transistor for adjusting the power of the control circuit with the power determined from the power adjusting unit. 3. The method of claim 2,
The control circuit is
a dimming resistor disposed between the dimming circuit and the LED driver and having one or more dimming resistors for controlling a current flowing toward the LED driver; and
Dimming, characterized in that it further comprises a; is disposed between the dimming circuit and the LED driver, the noise filter unit provided with at least one capacitor and resistor for filtering noise included in the current flowing toward the LED driver. LED module outdoor lighting fixtures. The method of claim 1,
The lens module,
a lens module body in which the lenses are spaced apart from each other at regular intervals;
one or more fastening members for coupling with the enclosure; and
LED module outdoor lighting fixture using dimming, characterized in that it includes; a battery accommodating part that provides an accommodating space for accommodating the battery installed on the PCB board. The method of claim 1,
The LED module outdoor lighting fixture,
LED module outdoor lighting fixture using dimming, characterized in that the waterproof, dustproof and moistureproof standards are IP66 or higher. The method of claim 1,
The LED module outdoor lighting fixture,
The lens module and the detection sensor are exposed to the outside, and the PCB substrate, the enclosure and the heat dissipation module are disposed therein, and at least one heat sink on one side for discharging heat radiated from the heat dissipation module to the outside LED module outdoor lighting fixture using dimming, characterized in that it further comprises a housing formed.

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