KR101049834B1 - Led lighting apparatus capable of preventing eye dazzling and easy light distribution and led street light - Google Patents

Abstract

PURPOSE: An LED lighting apparatus and a street light having the same are provided to protect a pedestrian or an operator from glare by comprising a subsidiary reflection board which reflects the light emitted LED device to a main reflection board. CONSTITUTION: An LED module comprises an LED substrate in which the LED devices are installed. A main body(10) is installed in order to face the lower part of the LED module. A main reflection board(200) includes a reflecting surface reflecting the light of LED devices in the inner surface thereof. A subsidiary reflection board(300) is combined with a supporting member(190) installed in one of the main body and main reflection board. In the subsidiary reflection board, more than one incline(311) forms the reflecting surface.

Description

LED Lighting Apparatus with LED Light Apparatus and LED Light Apparatus for Preventing Glare and Light Dividing Control {LED Lighting Apparatus capable of preventing eye dazzling and easy light distribution and LED Street Light}

The present invention relates to an LED lighting apparatus, and more particularly, to an LED lighting apparatus that illuminates using an LED element.

A lighting apparatus is a mechanism for fixing or protecting a light source by reflecting, refracting and transmitting light of a light source, and means a mechanism for fixing or protecting a light source by reflecting, refracting, and transmitting light of a light source.

Light sources of lighting fixtures include incandescent and fluorescent lamps used indoors, and halogen lamps used outdoors such as park lights, street lamps, road lighting fixtures.

On the other hand, LED (Light Emitting Diode) is a semiconductor that emits light, and has low power consumption (1/6 of incandescent lamps), long life (8 times of incandescent lamps), and eco-friendly characteristics (without harmful substances such as mercury). It is applied for each purpose in various fields such as light source, indoor light, street light, lighting and automobile.

However, the LED has a very strong light intensity and straightness, which not only makes the user's eyes tired but also has a low light diffusion characteristic.

In particular, in the case of a street light or a security light installed in a road, there is a problem that may cause an accident such as an unexpected accident by causing glare to a pedestrian or a driver.

An object of the present invention is to provide an LED lighting apparatus that can prevent glare by further comprising an auxiliary reflector for re-reflecting the light emitted from the LED element to the main reflector in order to solve the disadvantages of the LED lighting apparatus as described above There is.

The present invention was created in order to achieve the object of the present invention as described above, the present invention includes an LED module including an LED substrate on which a plurality of LED elements are installed; An opening formed toward a lower side of the main body and installed such that the LED module faces downward; A main reflection plate coupled to the main body or the LED module and having a lower end opening and a reflecting surface reflecting light of the LED elements formed on an inner surface thereof, and the LED module coupled to an upper end thereof; And an auxiliary reflector plate coupled to a support member installed on any one of the LED module, the main body, and the main reflection plate, the outer surface having one or more inclined surfaces forming a reflection surface, and the inclined surface facing the inner surface of the main reflection plate. An LED lighting apparatus is disclosed.

The LED module includes a plurality of the LED elements; An LED substrate on which the LED elements are installed; It may include a heat dissipation member coupled to the LED substrate to dissipate heat generated by the LED element.

The main reflector may have a truncated cone shape or a truncated cone shape.

The main reflector may have a hexagonal pyramidal shape.

The main reflector may include a first main reflector on which the LED module is coupled at an upper end thereof; The upper and lower ends may include a second main reflecting plate having a side shape of an horn, and a reflecting surface reflecting light is formed on the inner surface, and an upper end thereof is coupled to a lower end of the first main reflecting plate.

The first main reflector and the second main reflector may have a truncated cone shape or a pyramidal shape.

The first main reflector and the second main reflector may have a hexagonal pyramid shape.

The main reflector may further include a third main reflector having a lateral shape of an horn of an upper and lower ends thereof, and a reflecting surface reflecting light is formed on an inner surface thereof, and an upper end thereof is coupled to a lower end of the second main reflector.

The auxiliary reflector may be installed to cover all of the LED elements installed in the LED substrate when viewed from the bottom.

A rectifier circuit module for supplying DC power to the LED element may be installed in the main body.

The LED module, the main reflecting plate and the auxiliary reflecting plate may be integrally coupled to the inside of the main body.

The auxiliary reflecting plate may be installed so that an upper end thereof is adjustable in distance from the LED substrate of the LED module.

The auxiliary reflecting plate may be installed to be able to adjust the angle formed by the inclined surfaces facing each other when the vertical direction of the LED lighting device as the center line.

The auxiliary reflecting plate may be formed such that its inclined surface overlaps at least a portion with the neighboring inclined surface.

Meanwhile, the LED lighting device according to the present invention can be used as a road lighting device.

On the other hand, the present invention discloses an LED street light including an LED lighting device having the above configuration.

The LED lighting apparatus according to the present invention has an advantage of preventing glare by additionally providing an auxiliary reflecting plate for reflecting light emitted from the LED element back into the main reflecting plate.

In particular, by illuminating the light emitted from the LED element through the auxiliary reflector and the main reflector there is an advantage to prevent the glare to the pedestrian or driver when installed as a security light or street lamp.

That is, in the conventional LED lighting apparatus, the light emitted from the LED element is directly irradiated to the outside by the lens or the like to give glare to pedestrians or drivers, or to reduce illumination by installing scattering plates to prevent glare. Although the present invention has a merit of preventing glare without lowering the illuminance of the luminaire by the combination of the main reflector and the sub reflector.

In addition, the LED lighting apparatus according to the present invention has the advantage that the light distribution control is easy by dispersing the light generated by the LED while preventing glare by the combination of the main reflector and the sub-reflective plate.

1 is a plan view showing the LED lighting apparatus according to the present invention.
2 is a longitudinal sectional view showing a state in which the LED lighting apparatus of Figure 1 is disassembled.
3 is a longitudinal sectional view showing a state in which the LED lighting apparatus of FIG. 1 is disassembled.
4 is a cross-sectional view showing the LED lighting apparatus of FIG.
5 is a perspective view showing the LED module and the auxiliary reflector in the LED lighting apparatus of FIG.
FIG. 6 is a longitudinal cross-sectional view of the LED lighting apparatus of FIG. 1 showing a modified example in which the distance between the LED substrate and the auxiliary reflecting plate is changeable in the LED lighting apparatus of FIG.
7A and 7B are a longitudinal sectional view of the LED lighting apparatus of FIG. 1 and a plan view of the auxiliary reflecting plate, respectively, showing another modified example in which the angle of the reflecting surface of the auxiliary reflecting plate in the LED lighting apparatus of FIG. 1 can be changed.

Hereinafter, the LED lighting apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a plan view showing the LED lighting apparatus according to the present invention, Figure 2 is a longitudinal cross-sectional view showing a disassembled LED lighting apparatus of Figure 1, Figure 3 is a longitudinal section showing a disassembled LED lighting apparatus of Figure 1 4 is a cross-sectional view illustrating the LED lighting apparatus of FIG. 1, and FIG. 5 is a perspective view illustrating the LED module and the auxiliary reflecting plate in the LED lighting apparatus of FIG. 1.

1 and 5, the LED lighting apparatus according to the present invention includes: an LED module 100 including an LED substrate 120 provided with a plurality of LED elements 110; An opening 11 formed downward and a main body 10 installed such that the LED module 100 faces downward; A main reflector 200 coupled to the main body 10 and having an upper end and a reflecting surface 211 reflecting light of the LED elements 120 formed on an inner surface thereof and having an LED module 100 installed at an upper opening thereof; It is coupled to the support member 190 installed on at least one of the LED module 100, the main body 10 and the main reflector 200, the outer surface includes one or more inclined surface 311 forming a reflective surface and the inclined surface 311 It is configured to include an auxiliary reflecting plate 300 is installed so that the reflecting surface of the main reflecting plate 200 toward the inner surface.

The main body 10 is a configuration for installation of the LED module 100, the main reflection plate 200 and the auxiliary reflection plate 300, it is possible to various configurations according to the installation requirements of the lighting fixture.

As an example, the main body 10 may be configured to have a receiving space in which the LED module 100, the main reflector 200, and the auxiliary reflector 300 may be installed, having an opening 11 having a lower side thereof. have.

In addition, the main body 10 may be coupled to the heat dissipation member 130 of the LED module 100 to allow heat transfer to dissipate heat radiated from the heat dissipation member 130 of the LED module 100 to be described later. The material is preferably a metal material that is easy to heat release.

As the main body 10 is coupled to the heat dissipation member 130 of the LED module 100 so that heat transfer is possible, the heat dissipation member 130 may be installed to be in surface contact with the inner surface of the main body 10, or the heat dissipation member 130. ), A heat sink, or the like may be installed between the main body 10 or a thermally conductive material.

On the other hand, the main body 10 may have the same configuration as the main body 10 used in a conventional luminaire, such as a halogen, rather than a configuration that presupposes the use of the LED lighting apparatus according to the present invention. Therefore, after removing the reflector and the light source can be utilized by installing the LED module 100, the main reflector 200 and the auxiliary reflector 300 to be described later there is an advantage that can be used to recycle the already installed lighting fixtures.

Here, the LED module 100, the main reflecting plate 200 and the auxiliary reflecting plate 230 may be integrally coupled, and may be coupled to the inside of the main body 10 as one assembly.

On the other hand, the opening 11 of the main body 10 may be coupled to a transparent, translucent, or opaque cover 13 to prevent foreign substances, insects, etc. from entering the interior of the lighting fixture.

In addition, when the LED lighting apparatus according to the present invention is used as a security light or a street lamp, the main body 10 may include a mounting portion 13 for coupling with a structure such as a pole (not shown).

The main body 10 may be provided with various configurations such as a rectifier circuit module (not shown), a drive control unit for supplying a DC power to the LED element 110 therein.

The LED module 100 is a configuration in which the LED elements 110 emit light by power supply, and may be variously configured according to the type of the LED element 110 and the configuration of the LED substrate 120.

As an example of the LED module 100, a plurality of LED elements (110); LED elements 110 may be configured to include an LED substrate 120 is installed.

The LED device 110 is a semiconductor device that emits light by power supply according to lighting conditions, and various LED devices such as white LED, red LED, blue LED, green LED, and power LED device may be used.

The LED substrate 120 is a configuration for installing the LED element 110, PCB, FPCB, etc. may be used.

Although the LED substrate 120 is not shown, a circuit element for driving control, circuit protection, etc. of the LED elements 110 may be installed, and a power connection terminal for connection with an external power source may be installed.

Meanwhile, the LED elements 110 installed on the LED substrate 120 have a color filter for converting light molded or emitted by a resin or the like capable of transmitting light for the protection and protecting the LED elements 110. Can be installed.

For example, in order to emit white light while using a blue LED element having high light efficiency, a conversion filter (not shown) for converting blue light emitted by the LED element into white may be provided in various structures.

The LED module 100 is coupled to the LED substrate 120 to dissipate the heat generated in the light emitting process in the LED device 110, the heat radiation member 130 for radiating heat generated from the LED device 110 It may further comprise.

The heat dissipation member 130 may have an appropriate shape in consideration of the overall shape of the lighting fixture, the shape of the LED substrate 120, and the like.

In particular, the heat dissipation member 130 has a coupling surface to which the LED substrate 120 is closely coupled by a screw or the like, and the remaining portion except for the coupling portion with the main reflection plate 200 which will be described later is considered a plurality of fins (fin) 131 may be formed.

In addition, the heat dissipation member 130 may be formed with one or more through-holes (not shown) so that a power connection line (not shown) for power connection to the LED substrate 120 may be connected and installed therein.

In addition, the heat dissipation member 130 may have various shapes such as to have a shape corresponding to the inner surface of the main body 10 for coupling with the main body 10.

The main reflector 200 is a configuration for reflecting the light emitted by the LED elements 110 of the LED module 100 to a predetermined lighting area, and may have various shapes and structures according to the purpose for which the lighting apparatus is installed. .

In particular, the LED lighting apparatus according to the present invention is installed at a predetermined height from the ground in the pole for the installation of the ceiling of the building, lighting fixtures such as lighting, park lights, security lights, floodlights, indoor lights, etc., satisfying the required illumination intensity in the lighting area Can be installed.

In particular, the main reflector 200 may have a similar appearance to a conventional lighting device having a light bulb therein.

That is, the main reflector 200 has a lateral shape of the horn of the upper and lower ends and a reflecting surface 211 reflecting light of the LED elements 120 is formed on the inner surface and the LED module 100 is installed in the upper opening. Can be configured.

The main reflector 200 and the LED module 100 may be coupled by various methods such as screws, rivets, welding.

The main reflector 200 may be a metal material having good reflecting properties, such as aluminum, aluminum alloy, etc., and a special material may be coated on the surface thereof or may be surface treated by various methods.

In addition, the surface of the main reflector 200 may form an embossing structure to increase the reflection efficiency.

The main reflector 200 may have various shapes, such as a plane or a curved surface thereof, and may have a truncated cone shape or a truncated pyramid shape, and in particular, may have a truncated pyramidal shape, and furthermore, a 16-horn shaped pyramid shape.

Meanwhile, the main reflector 200 may have various structures in order to increase the lighting effect of the light emitted from the LED element 110. The LED module 100 is coupled to the top and the reflective surface 211 is formed on the inner surface. A first main reflector 210; The upper and lower ends have a lateral shape of the horn and a reflection surface 221 for reflecting light is formed on the inner surface and the upper end is configured to include a second main reflecting plate 220 coupled to the lower end of the first main reflecting plate 210. Can be.

As described above, the first and second main reflecting plates 210 and 220 may have the same material and structure as those of the main reflecting plate 200, and the reflective surfaces 211 and 221 may be formed. Various shapes such as flat surfaces or curved surfaces may be formed, and may have a truncated cone shape or a truncated pyramid shape, and in particular, may have a truncated pyramidal shape, moreover, a 16-pyramidal shape.

Meanwhile, the first main reflector 210 and the second main reflector 220 may be coupled by various methods such as welding, riveting, screwing, etc., and may be coupled by one or more rivets in a partially overlapped state.

On the other hand, the main reflector 200 has a lateral shape of the horn of the upper and lower ends and a reflecting surface reflecting light 211 is formed on the inner surface and the third main reflector is coupled to the lower end of the second main reflector 220 230 may further include.

The third main reflector 230 may have a structure similar to that of the second main reflector 220 by varying the coupling angle coupled with the second main reflector 220.

On the other hand, the main reflector 200 may have a variety of shapes, such as having a plurality of side surfaces of the longitudinal cross-section.

In addition, an upper surface 242 may be further formed on the top of the main reflector 200 to form a plane formed to be parallel to the opening 11 at portions coupled with the LED module 100.

At least a portion of the top surface 242 may form a reflective surface to reflect light.

In addition, an extension part 241 extending in parallel with the opening 11 may be further formed at a lower end of the main reflector 200 so as to be conformed to the shape of the opening 11.

The auxiliary reflector 300 is coupled to the support member 190 installed on at least one of the LED module 100, the main body 10 and the main reflector 200, one or more inclined surface 311 whose outer surface forms a reflective surface Any configuration may be used as long as the reflective surface of the inclined surface 311 is installed to face the inner surface of the main reflector 200.

As an example, the auxiliary reflector 300 may have various shapes such as cones, pyramids including 16 pyramids, horns, and the like.

In addition, the auxiliary reflecting plate 300 may be configured to form at least one of a point, a line, and a top surface formed by one or more inclined surfaces 311.

Here, when the upper surface of the auxiliary reflector 300 forms a surface, it is preferable that the light is not reflected in order to prevent the light from being reflected back to the LED elements 110.

The auxiliary reflector 300 may be a metal material having good reflective properties such as aluminum, aluminum alloy, etc., and a special material may be coated on the surface thereof or may be surface treated by various methods.

In addition, the surface of the auxiliary reflector 300 may form an embossed structure to increase the reflection efficiency.

The auxiliary reflector 300 may be formed by bending a plurality of metal thin plates 312 based on the bending line SL and then being coupled to each other by riveting, welding, or the like, or formed by sheet metal. Can be formed.

The auxiliary reflector 300 is more preferably configured to cover all the LED elements 110 installed in the LED substrate 120 to block the glare when viewed from the bottom.

That is, it is more preferable that the vertical projection area of the auxiliary reflecting plate 300 includes all of the areas in which the LED elements 110 are installed in the LED substrate 120.

The support member 190 may be configured to support the auxiliary reflector 300 so that the reflective surface of the inclined surface 111 of the auxiliary reflector 300 faces the inner surface of the main reflector 200.

That is, the support member 190 may be installed on at least one of the main body 10, the main reflection plate 200, and the LED module 100 to support the auxiliary reflection plate 300.

The support member 190 may have any configuration as long as it can support the auxiliary reflector 300 such as a wire, a plate member, a bolt, and a bracket.

On the other hand, it is preferable that the lighting area to be illuminated by the luminaire can actively respond to the required characteristics such as illuminance and lighting area according to the use area such as the lighting area and the lighting target.

Therefore, the auxiliary reflector 300 may be installed to adjust the distance between the upper end and the LED substrate 120, as shown in FIG. Here, the distance between the upper end of the auxiliary reflector 300 and the LED substrate 120 may be adjusted by various methods.

That is, the auxiliary reflector 300 may be installed to adjust the distance between the upper end and the LED substrate 120 by using the support members 190 having a set length in accordance with the pre-tested lighting conditions.

In addition, as another method for adjusting the distance between the upper end of the auxiliary reflecting plate 300 and the LED substrate 120, the length of the support member 190 for supporting the auxiliary reflecting plate 300, such as an antenna structure can be configured to be adjustable. Can be.

In addition, as another method, the length of the main body 10, the main reflector 200 and the LED module 100 when the installed on the at least one of the coupling member of the support member 190 can be configured to vary.

In addition, as another method, a separate structure for varying the coupling length with the support member 190 may be installed on the auxiliary reflector plate 300 coupled to the support member 190.

On the other hand, as a structure capable of actively responding to the required characteristics such as illuminance, illumination possible area according to the use area, such as lighting area, lighting target, the auxiliary reflector 300, as shown in Figure 7a and 7b, the center line ( The angle formed by the inclined surfaces 311 facing C) may be configured to be adjusted.

In the method for adjusting the angle formed by the inclined surface, the angle formed by the inclined surface may be adjusted by various methods, such as adjusting the bending angle when the upper surface, the inclined neighboring surface, and the like are bent.

Meanwhile, when the angle formed by the inclined surface 311 facing the center line C is adjusted, the auxiliary reflector 300 is formed in the cut portion at the surface including the inclined surface 311 to be generated in the LED element 110. There is a problem that light may be exposed to the outside.

Therefore, the auxiliary reflector 300 may be formed such that each of the inclined surface 311 overlaps at least a portion with the neighboring inclined surface.

Meanwhile, the LED lighting apparatus according to the present invention may be used in a road lighting device such as a street lamp, and the like, and may be included in the LED street lamp, which is a street lamp including the LED.

Since the above has been described only with respect to some of the preferred embodiments that can be implemented by the present invention, the scope of the present invention, as is well known, should not be construed as limited to the above embodiments, the present invention described above It will be said that both the technical idea and the technical idea which together with the base are included in the scope of the present invention.

10: Body
100: LED module 200: main reflection plate
300: auxiliary reflector

Claims (19)

An LED module including an LED substrate provided with a plurality of LED elements;
An opening formed toward a lower side of the main body and installed such that the LED module faces downward;
A main reflection plate coupled to the main body or the LED module and having a lower end opening and a reflecting surface reflecting light of the LED elements formed on an inner surface thereof, and the LED module coupled to an upper end thereof;
And an auxiliary reflector plate coupled to a support member installed on any one of the LED module, the main body, and the main reflection plate, the outer surface having one or more inclined surfaces forming a reflection surface, and the inclined surface facing the inner surface of the main reflection plate. ,
LED lighting device, characterized in that the main reflector having a truncated cone shape or a truncated pyramid shape. The method according to claim 1,
The LED module
A plurality of said LED elements;
An LED substrate on which the LED elements are installed;
LED lighting device is coupled to the LED substrate, characterized in that it comprises a heat dissipation member for radiating heat generated by the LED element. An LED module including an LED substrate provided with a plurality of LED elements; An opening formed toward a lower side of the main body and installed such that the LED module faces downward; A main reflection plate coupled to the main body or the LED module and having a lower end opening and a reflecting surface reflecting light of the LED elements formed on an inner surface thereof, and the LED module coupled to an upper end thereof; And an auxiliary reflector plate coupled to a support member installed on any one of the LED module, the main body, and the main reflection plate, the outer surface having one or more inclined surfaces forming a reflection surface, and the inclined surface facing the inner surface of the main reflection plate. ,
The main reflector may include a first main reflector on which the LED module is coupled at an upper end thereof; It includes a second main reflecting plate having a side shape of the horn of the upper and lower ends and a reflecting surface reflecting light is formed on the inner surface and the upper end is coupled to the lower end of the first main reflecting plate,
LED lighting device, characterized in that the first main reflector and the second main reflector having a truncated cone shape or a pyramidal shape. The method according to claim 1 or 3,
LED lighting device, characterized in that the main reflector plate has a shape of a 16-pyramid. The method according to claim 1,
The main reflector may include a first main reflector on which the LED module is coupled at an upper end thereof;
LED lighting device, characterized in that it comprises a second main reflecting plate having a side shape of the horn of the upper and lower ends and reflecting light is formed on the inner surface and the upper end is coupled to the lower end of the first main reflecting plate. The method according to claim 5,
LED lighting device, characterized in that the first main reflector and the second main reflector having a truncated cone shape or a pyramidal shape. The method according to claim 5,
LED lighting device, characterized in that the first main reflector and the second main reflector has a hexagonal pyramid shape. The method according to claim 5,
The main reflecting plate has a side shape of the horn of the upper and lower openings, and a reflecting surface for reflecting light is formed on the inner surface and further comprises a third main reflecting plate coupled to the lower end of the second main reflecting plate. LED lighting fixtures. The method according to claim 1 or 3
The auxiliary reflecting plate is an LED lighting device, characterized in that installed to cover all the LED elements installed in the LED substrate when viewed from the bottom. The method according to claim 1 or 3
LED lighting device, characterized in that the rectifier circuit module for supplying the DC power to the LED element is installed inside the main body. The method according to claim 1 or 3
The LED module, the main reflecting plate and the auxiliary reflecting plate is integrally coupled to the LED lighting apparatus, characterized in that coupled to the inside of the main body. The method according to claim 1 or 3
The auxiliary reflector is an LED lighting device, characterized in that the upper end is installed so that the distance to the LED substrate of the LED module is adjustable. The method according to claim 1 or 3,
The auxiliary reflector is an LED lighting device, characterized in that the angle formed by the inclined surfaces facing each other when the up and down direction of the LED lighting device is installed to be adjustable. The method according to claim 13,
The auxiliary reflector is a LED lighting device, characterized in that the inclined surface formed to overlap at least a portion with the neighboring inclined surface. The method according to claim 1,
The auxiliary reflector is a LED lighting device, characterized in that the inclined surface formed to overlap at least a portion with the neighboring inclined surface. LED street light including the LED lighting apparatus according to claim 1 or 3. An LED module including an LED substrate provided with a plurality of LED elements;
An opening formed toward a lower side of the main body and installed such that the LED module faces downward;
A main reflection plate coupled to the main body or the LED module and having a lower end opening and a reflecting surface reflecting light of the LED elements formed on an inner surface thereof, and the LED module coupled to an upper end thereof;
And an auxiliary reflector plate coupled to a support member installed on any one of the LED module, the main body, and the main reflection plate, the outer surface having one or more inclined surfaces forming a reflection surface, and the inclined surface facing the inner surface of the main reflection plate. ,
The auxiliary reflecting plate is an LED lighting device, characterized in that the angle formed by the inclined surfaces facing each other when the vertical direction of the LED lighting device is installed to be adjustable. 18. The method of claim 17,
The auxiliary reflector is a LED lighting device, characterized in that the inclined surface formed to overlap at least a portion with the neighboring inclined surface. An LED module including an LED substrate provided with a plurality of LED elements;
An opening formed toward a lower side of the main body and installed such that the LED module faces downward;
A main reflection plate coupled to the main body or the LED module and having a lower end opening and a reflecting surface reflecting light of the LED elements formed on an inner surface thereof, and the LED module coupled to an upper end thereof;
And an auxiliary reflector plate coupled to a support member installed on any one of the LED module, the main body, and the main reflection plate, the outer surface having one or more inclined surfaces forming a reflection surface, and the inclined surface facing the inner surface of the main reflection plate. ,
The auxiliary reflector is a LED lighting device, characterized in that the inclined surface formed to overlap at least a portion with the neighboring inclined surface.

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