KR102141005B1 - A LED Lighting Apparatus Capable of Generating a Plasma - Google Patents

Abstract

The present invention relates to an LED lighting device of a plasma generating structure. The LED lighting device of the plasma generating structure includes: first and second frame members (11a, 11b) coupled to each other by a connector (12); a light-transmitting cover (13) fixed by the first and second frame members (11a, 11b); at least one plasma flow hole group (14a, 14b) formed in the first or second frame members (11a, 11b); an LED module (15) for emitting light to the light-transmitting cover (13); and plasma generating unit (16a, 16b) for generating and inducing plasma into the flow hole groups (14a, 14b). In the present invention, it is possible to control the level of ozone generation while generating plasma according to usage environment conditions.

Description

A LED Lighting Apparatus Capable of Generating a Plasma

The present invention relates to an LED lighting device having a plasma generating structure, and more particularly, to an LED lighting device having a plasma generating structure that generates plasma according to an ambient environment.

Plasma composed of negatively charged electrons and positively charged ions has been applied to various energy or environmental fields due to sterilization, purification, or deodorization. When the plasma is released into the air, it reacts with moisture present in the air, and has a sterilizing effect, and may have an advantageous effect on removing fine dust. Plasma can be generated in a variety of ways, and when supplied in a controlled amount, can have a beneficial effect on the living environment or work environment, and can be operated in combination with electric devices that consume power. For example, a plasma generating device can be combined with a lighting device, and techniques related to this are known in the art. Patent registration number 10-0757843 discloses a lighting device for generating anions. In addition, Patent Publication No. 10-2017-0040483 discloses an LED light having an anion generating unit capable of providing an anion to an indoor by installing an anion generating unit on an LED lighting lamp. The anion generating means disclosed in the prior art or the prior art has the disadvantages that it is difficult to generate plasma and it is difficult to control the level of anion generation according to the surrounding environment. Plasma is advantageously generated in the form of a mixture of anions and cations, and the level of generation needs to be adjusted according to the surrounding environment. However, the prior art does not disclose a plasma generating means and a control method having such a structure.

The present invention is intended to solve the problems of the prior art and has the following objects.

Prior Art 1: Patent Registration No. 10-0757843 (Taewon Electric Industries Co., Ltd., Nov. 2007, Announcement) Lighting equipment for generating anions Prior Art 2: Patent Publication No. 10-2017-0040483 (Hyundai Engineering Co., Ltd., published on April 13, 2007) LED lighting lamp with anion generator

It is an object of the present invention to provide an LED lighting device having a plasma generating structure capable of simultaneously controlling the level of ozone generation while generating plasma according to the conditions of the use environment.

According to a preferred embodiment of the present invention, the LED lighting device having a plasma generating structure includes first and second frame members coupled to each other by a connector; A light-transmitting cover fixed by the first and second frame members; At least one plasma flow hole group formed in the first or second frame member; An LED module that emits light with a light-transmissive cover; And plasma generating means for generating and guiding plasma into a group of flow holes.

According to another suitable embodiment of the invention, the plasma generating means comprises a plurality of first and second electrodes and an ozone control unit alternately arranged in a circular ring shape.

According to another suitable embodiment of the invention, the connector comprises a connector body; A coupling tab extending in at least one direction in a plate shape as a whole from the connector body; And a locking engagement groove (55a, 55b) formed in at least one direction of the coupling tab.

The LED lighting device of the plasma generating structure according to the present invention can generate plasma according to the conditions of the use environment and supply it to the surrounding environment. This makes it possible to sterilize the surrounding environment, remove odors, remove dust or remove similar pollutants. The LED lighting device according to the present invention generates a plasma from the lighting device while controlling the generation level of ozone so that the use environment is maintained in an appropriate sterilization environment. In addition, the LED lighting device according to the present invention can be applied to an environment having various sizes while being simple to manufacture by a frame structure coupled to be detachable from each other.

1 shows an embodiment of an LED lighting device having a plasma generating structure according to the present invention.
Figure 2 shows an embodiment of a plasma generator applied to the LED lighting device according to the present invention.
Figure 3 shows an embodiment of the ozone generation control means applied to the LED lighting device according to the present invention.
Figure 4 shows an embodiment of the frame structure of the LED lighting apparatus according to the present invention.
Figure 5 shows an embodiment of a connector for the connection of the frame of the LED lighting device according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the embodiments presented in the accompanying drawings, but the embodiments are intended for a clear understanding of the present invention and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, and are not described repeatedly unless necessary for understanding of the invention, and well-known components are briefly described or omitted, but the present invention It should not be understood as being excluded from the embodiment.

1 shows an embodiment of an LED lighting device having a plasma generating structure according to the present invention.

Referring to FIG. 1, an LED lighting device having a plasma generating structure includes first and second frame members 11a and 11b coupled to each other by a connector 12; A light-transmitting cover 13 fixed by the first and second frame members 11a and 11b; At least one plasma flow hole group 14a, 14b formed in the first or second frame members 11a, 11b; An LED module 15 that emits light to the translucent cover 13; And plasma generating means 16a, 16b for generating and inducing plasma into the flow hole groups 14a, 14b.

The first and second frame members 11a and 11b may be arranged to face each other, and the first and second frame members 11a and 11b may be coupled to be separated from each other by the connector 12, and the first , For example, a lighting frame having a rectangular frame structure may be formed by the two frame members 11a and 11b. Lighting frame structures of various shapes may be formed by the first and second frame members 11a and 11b, for example, pentagonal, hexagonal, octagonal or similar polygonal frame structures or circular, elliptical or similar circular frame structures. Can be made. The first and second frame members 11a and 11b may be made of, for example, stainless steel, aluminum, or a similar metal material, and the first and second frame members 11a and 11b are provided with fixed projections 13 for fixing projections. Can. The light-transmitting cover 13 may be made of, for example, polycarbonate, acrylic, or a variety of materials that diffuse by transmitting light similar thereto, and may selectively function as a diffusion plate. At least one plasma flow hole group 14a, 14b may be formed in the first or second frame members 11a, 11b. For example, a plurality of plasma flow hole groups 14a and 14b may be formed along a rectangular structured illumination frame. The flow hole groups 14a and 14b may have a function of discharging air containing plasma generated by the plasma generating means to the outside of the lighting device. The flow hole groups 14a and 14b may be formed in a structure that allows air to flow in a downward or lateral direction, but is not limited thereto. Each flow hole group 14a, 14b may include at least one inlet hole and at least one outlet hole. Each flow hole group 14a, 14b can be connected to the plasma generating means 16a, 16b. Plasma generating means 16a, 16b can be installed in a first or second frame member 11a or 11b or other suitable location, for example, to allow air flow with each flow hole group 14a, 14b. Can be connected. The inlet holes of the flow hole groups 14a, 14b are connected to the inlets of the plasma generating means 16a, 16b, and the outlet holes of the flow hole groups 14a, 14b are connected to the outlets of the plasma generating means 16a, 16b. Can. The flow hole groups 14a, 14b and the plasma generating means 16a, 16b can be connected to each other to allow air flow in various ways, and the present invention is not limited thereby.

The LED module 15 may be disposed inside the lighting frame or in the first and second frame members 11a and 11b, and the LED module 15 may include a plurality of LED elements, a device controller that controls the operation of the LED elements, and a plasma It may include a control chip or similar operating component or electronic device that regulates the operation of the generating means 16a, 16b. The LED module 15 may be formed in a bar shape and disposed in the first and second frames 11a and 11b. The LED module 15 may be connected to a power source, and a power lead line may be formed in the LED module 15 to be connected to the plasma generating means 16a and 16b. The LED frame 15 of various structures may be installed with a lighting frame, and the present invention is not limited thereto.

Figure 2 shows an embodiment of a plasma generator applied to the LED lighting device according to the present invention.

Referring to FIG. 2, the plasma generating means 16a includes a plurality of first and second electrodes 22_1 to 22_N, 23_1 to 23_N and an ozone control unit 27 alternately arranged in a circular ring shape. The plasma generating means 16a may be made of various structures capable of generating plasma, and the generation level of plasma or the generation level of ozone may be adjusted. The plasma generating means 16a includes, for example, a cylinder-shaped induction housing 21; First electrodes 22_1 to 22_N disposed on the circumferential surface of the induction housing 21 and separated from each other along the circumferential direction; A plurality of second electrodes 23_1 to 23_N disposed between different first electrodes 22_1 to 22_N; And connection conductors 221 and 231 electrically connecting the first and second electrodes 22_1 to 22_N and 23_1 to 23_N, respectively. The inlet unit 24 may be disposed in front of the induction housing 21, and the inlet unit 24 may include an inlet fan. An inlet path that gradually decreases in diameter may be formed at the front of the inlet unit 24, and the inlet path may be connected to the inlet hole of the inlet hole group described above. The amount of air introduced through the inlet unit 24 can be adjusted by controlling the operation of the inlet fan. Air introduced through the inlet unit 24 is introduced into the interior of the induction housing 21, and a part of the air may be made into a plasma state. The induction housing 21 may be made of, for example, an insulator structure of polycarbonate, polyurethane, polyethylene, acrylic or similar synthetic resin material. The induction housing 21 may have a tube shape or a hollow cylinder shape capable of air flow, and the first electrodes 22_1 to 22_N may be disposed on an outer circumferential surface. Each of the first electrodes 22_1 to 22_N may have a circular band shape surrounding the induction housing 21 along a circumferential direction on an outer circumferential surface of the induction housing 21. The plurality of first electrodes 22_1 to 22_N may be separated from each other at regular intervals and disposed along the longitudinal direction of the induction housing 21. Each of the first electrodes 22_1 to 22_N may have the same or a similar structure, and may be made of a metal conductor material coated on the circumferential surface of the induction housing 21. The second electrode 23_1 to 23_N may be disposed on the inner circumferential surface of the induction housing 21, and the plurality of second electrodes 23_1 to 23_N may be the same or similar to the plurality of first electrodes 22_1 to 22_N It may be disposed on the inner surface of the furnace induction housing 21. The plurality of first electrodes 22_1 to 22_N and the plurality of second electrodes 23_1 to 23_N may be connected to each other by connecting conductors 221 and 231, respectively. The plurality of first electrodes 22_1 to 22_N and the plurality of second electrodes 23_1 to 23_N may be disposed on the outer circumferential surface or the inner circumferential surface of the induction housing 21 while being connected to each other in a spiral shape. Alternatively, the plurality of first electrodes 22_1 to 22_N and the plurality of second electrodes 23_1 to 23_N are separated from each other by an insulating strip or an insulating coating layer to be arranged in a spiral shape on the outer circumferential surface of the induction housing 21. Can. The plurality of first electrodes 22_1 to 22_N or the plurality of second electrodes 23_1 to 23_N are electrically separated from each other in a coil shape or a spiral shape, respectively, and may be disposed in various shapes on the circumferential surface of the induction housing 21. It is not limited to the presented embodiment.

The filter unit 25 is disposed at one end of the induction housing 21 so that foreign matter contained in the air containing plasma can be filtered. Thereafter, the air containing plasma may be regulated in a temperature control unit 26 including a thermoelectric element, and then guided to the discharge hole described above through the discharge induction path 261 to be discharged outside. The discharge induction path 261 may have a structure in which the cross-sectional area gradually increases along the flow direction, and may be connected to allow the discharge hole and air flow in various ways.

The positive and negative electrodes of the generation control module 28 may be connected to the first electrodes 22_1 to 22_N and the second electrodes 23_1 to 23_N, respectively, and the generation control module 28 may include first and second electrodes 22_1 to 22_N. , 23_1 to 23_N). The generation control module 28 may be electrically connected to a power source that supplies power to the LED module. The generation control module 28 may be operated according to the operation of the LED module, or may be operated independently, and may confirm the operation state of the LED module. Ozone may be generated during the plasma generation process, and excessive ozone generation may adversely affect the environment of use. In addition, the ozone generation state or ozone concentration may be detected, and the ozone production level may be adjusted by the ozone control unit 27 according to the detection result. The ozone control unit 27 may be connected to the first and second electrodes 22_1 to 22_N and 23_1 to 23_N to adjust the level of ozone generation in a manner of controlling the type of applied current.

Figure 3 shows an embodiment of the ozone generation control means applied to the LED lighting device according to the present invention.

Referring to FIG. 3, current may be applied to the first and second electrodes through the input terminal 31, and the input terminal 31 may be connected to the LED module, for example, to have a voltage of DC 9 to 15 V. Can be set. Current may be generated according to voltage or power input through the input terminal 31 through the current adjusting unit 32, and current may be generated according to a predetermined cycle while being generated in a pulse form. The form in which the current generated in the current regulating unit 32 is applied to the first and second electrodes by the duty control unit 33 may be set. The duty control unit 33 may adjust the duty cycle of the applied current by controlling the pulse current by PWM (Pulse Width Modulation). The current applied to the first and second electrodes can be detected by the current detection unit 34. PWM control can be achieved by adjusting the number of pulses in one cycle or by adjusting the relative duration of each pulse in one cycle. In addition, by adjusting the duty cycle, the duty size of each cycle can be adjusted. The amount of ozone generated by the PWM control may be adjusted, and ozone generation data according to the level of ozone generated by the PWM control may be prepared in advance. The pulse-controlled current according to the PWM control is applied to the first and second electrodes through the output unit 35 under a voltage condition of -1.0 kV DC to 50 kV DC, for example, to generate plasma. The ozone control unit 27 may include various control circuits capable of adjusting the level of ozone generation and is not limited to the presented embodiment.

Figure 4 shows an embodiment of the frame structure of the LED lighting apparatus according to the present invention.

4, the first and second frame members 11a and 11b may be detachably coupled to the connector 12, and two frame members 11a and 11b may be connected to one connector 12 in different directions. Can. The first and second frame members 11a and 11b may have the same structure and may have the same or different lengths. The first and second frame members 11a and 11b may have L-shaped cross-sections, and one end may be detachably coupled to the connector 12. First and second frame members 11a and 11b may be coupled to two side surfaces of the connector 12, whereby the first and second frame members 11a and 11b may be connected to each other while forming a right angle or a different angle. Can. The first and second frame members 11a and 11b having various lengths are connected to each other by the connector 12, so that lighting frames having various sizes can be made. In addition, the connector 12 may have a structure capable of connecting the first and second frames 12 at right angles or various other angles.

The first or second frame members 11a and 11b are integrally formed with the connector 12, and the other frame member 11a or 11b may be made of a detachable structure. For example, the first frame member 11a and the connector 12 may be integrally made by injection or a similar method, and the second frame member 11b may be detachably coupled. In this way, the first frame member 11a is made integrally with the connector 12 so that manufacturing cost is reduced, and at the same time, assembly is facilitated. The first and second frame members 11a and 11b or the connector 12 may be made of various structures and are not limited to the presented embodiments.

Figure 5 shows an embodiment of a connector for the connection of the frame of the LED lighting device according to the present invention.

Referring to Figure 5, the connector 12 is a connector body 51; A coupling tab 52 extending in at least one direction in a plate shape as a whole from the connector body 51; And locking engagement grooves 55a, 55b formed in at least one direction of the engaging tab 52. The connector body 51 may have an empty box shape inside, and may have a shape in which the lower surface is opened while the upper portion is sealed. Coupling tabs 52 may be formed in a form extending outwardly from the inner portions of the two inner edges at right angles to each other on the upper surface of the square shape. Coupling tab 52 has a square shape when viewed from the top, the upper portion may be located on the lower portion of the upper surface of the connector body (51). Reinforcement step portions 521 and 522 that are perpendicular to each other on the upper surface of the coupling tab 52 may be formed while reinforcing while having a constant width between the reinforcement step portions 521 and 522 and the upper surface of the coupling tab 52 Induction grooves may be formed along the step portions 521 and 522. In addition, the connector 12 and the frame member may be coupled to each other in such a way that the reinforcement step portions 521 and 522 are inserted into the frame member. W-shaped locking engagement grooves 55a and 55b may be formed in the lower portion of the reinforcing step portions 521 and 522, and an engaging portion inserted into the locking engagement grooves 55a and 55b may be formed in the frame member. . The upper surface 511 of the connector body 51 is a first insertion fixing hole 53a, 53b having an L-shaped wall surface between a portion having a large height capable of forming a step surface and an upper surface of the coupling tab 52 ) May be formed. And the second insertion fixing hole (54a, 54b) may be formed between the portion having a small height and the upper surface of the reinforcement step portion (521, 522), one side of the frame member having a first, different cross-sectional area, 2 It can be made of a stepped surface structure to be inserted into the insertion fixing holes (53a, 53a, 54a 54b). As described above, when the frame member and the connector 12 are coupled by the lock coupling grooves 55a and 55b, the first and second insertion fixing holes 53a, 53b, 54a, and 54b having different cross-sectional areas can be combined. As a result, it is structurally stable and prevents weakening of the coupling due to external impact, while simultaneously preventing vibration or noise.

In the presented embodiment, two frame members may be coupled to both sides of the connector 12. As described above, the connector 12 may be formed integrally with, for example, the first frame member, and in this case, the connector 12 may be formed such that one frame member can be detachably coupled. The connector coupled with the frame member may have various structures and is not limited to the presented embodiment.

The LED lighting device of the plasma generating structure according to the present invention can generate plasma according to the conditions of the use environment and supply it to the surrounding environment. This makes it possible to sterilize the surrounding environment, remove odors, remove dust or remove similar pollutants. The LED lighting device according to the present invention generates a plasma from the lighting device while controlling the generation level of ozone so that the use environment is maintained in an appropriate sterilization environment. In addition, the LED lighting device according to the present invention can be applied to an environment having various sizes while being simple to manufacture by a frame structure coupled to be detachable from each other.

The present invention has been described in detail with reference to the presented embodiments, but those skilled in the art will be able to make various modifications and modified inventions without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by such modified and modified inventions, but is limited by the appended claims.

11a, 11b: frame member 12: connector
13: flood cover 14a, 14b: floating hole group
15: LED module 16a, 16b: plasma generating means
21: induction housing 22_1 to 23_N: electrode
24: inflow unit 25: filter unit
26: temperature control unit 27: ozone control unit
31: input terminal 32: current control unit
33: duty control unit 34: current detection unit
51: connector body 52: mating tab
55a, 55b: locking engagement groove

Claims (3)

First and second frame members 11a and 11b coupled to each other by the connector 12;
A light-transmitting cover 13 fixed by the first and second frame members 11a and 11b;
At least one plasma flow hole group 14a, 14b formed in the first or second frame members 11a, 11b;
An LED module 15 that emits light to the translucent cover 13; And
Plasma generating means (16a, 16b) for generating and inducing plasma by the flow hole group (14a, 14b),
The plasma generating means 16a, 16b includes a cylinder-shaped induction housing 21 in a cylinder shape; Circular ring-shaped first electrodes 22_1 to 22_N disposed separately from each other along a circumferential direction on a circumferential surface of the induction housing 21; A plurality of second electrodes 23_1 to 23_N having a circular ring shape disposed between the different first electrodes 22_1 to 22_N; And connection conductors 221 and 231 electrically connecting the first and second electrodes 22_1 to 22_N and 23_1 to 23_N, respectively, and connected to the first and second electrodes 22_1 to 22_N and 23_1 to 23_N. The LED lighting device of the plasma generating structure further comprises an ozone control unit 27 for adjusting the level of ozone generation in a manner to control the form of the applied current. delete The method according to claim 1, The connector 12 is a connector body (51); A coupling tab 52 in at least one direction in a plate shape as a whole from the connector body 51; And a locking engagement groove (55a, 55b) formed in at least one direction of the coupling tab (52).

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