KR101221021B1 - LED lighting fixtures for installing at the mold bar - Google Patents

Abstract

The present invention is provided with a power conversion unit for converting the DC power on the substrate to directly supply commercial AC power to each of the plurality of LED is fixedly installed on the board, the board is fixed on the aluminum frame on which the AC power is supplied to each board It has a space for accommodating the power line for supplying, and the one-touch elastic nut that can be fastened to the mold bar by force fitting is installed on the upper part of the aluminum frame and fastened to the fastening bolt. The present invention relates to an LED lighting device for fastening a mold bar to which an LED diffusion and a protective cover for protecting are inserted.

Description

LED lighting fixtures for installing at the mold bar {LED lighting fixtures for installing at the mold bar}

The present invention converts a power supply into a DC power supply having a constant current circuit capable of supplying a constant current to a load regardless of an input voltage variation on a board so that a commercially available AC power can be directly supplied to each board to which a plurality of LEDs are fixed. The upper part of the aluminum frame provided with a fixed portion, the space for accommodating the power line for supplying AC power to each substrate, the upper portion of the aluminum frame, the one-touch elastic nut can be fastened to the mold bar by force fitting Is firmly installed by fastening bolts, the aluminum frame on the top LED light device for fastening the mold bar to the LED diffusion and protective cover is inserted and fastened to diffuse the LED light and protect the LED.

Typically, power supplies used in LED lighting devices powered by DC 24V, 12V, etc., use a LED drive driver using a regular volume of a typical SMPS or AC / DC converter. By using an electrolytic capacitor, there is a problem in that durability and reliability of the device are deteriorated due to the electrolytic capacitor having a short lifespan compared with other electronic components.

In addition, due to the characteristics of LED lighting, a power supply unit for converting AC power such as SMPS or AC / DC converter to DC power should be provided outside the LED, and the installation work time and labor cost increase accordingly. Has a problem.

In general, most of the lighting of the clean room is fixedly installed with fluorescent lamps, but the mold bar installed on the ceiling of the clean room is made of aluminum, and heat is generated from the LED by closely bonding the heat generated from the LED to the substrate and the mold bar. Because of the structure that can effectively heat dissipation through the mold bar of the LED lighting device that can heat dissipation by fastening and fixing by using a mold bar installed on the ceiling is required.

LED power should be supplied with DC power, but in most cases, power supply for converting AC power to DC power and power line and fastening structure for supplying each LED board are exposed to the outside. There was a problem that takes a lot of time during installation and maintenance.

The problem to be solved by the present invention is to print a power conversion circuit for changing the AC power to DC power on the board to supply commercial AC power directly to the board without going through a separate power supply for supplying DC power to the LED, polarity It is designed to directly connect AC power regardless of the installation cost and to facilitate installation and maintenance.

Another problem to be solved by the present invention is to design and manufacture a structure that can directly supply a commercial AC power supply without a complex circuit or a large capacity inductor or electrolytic capacitor in order to solve the problems of the prior art, the life of the LED lighting fixture It can extend the life compared to the conventional driver circuit without using passive components that have a bad effect, and maintains a power factor of more than 99% to improve durability, reliability, and reduce energy consumption.

Another problem to be solved by the present invention is a line having a hole or a space formed to accommodate a power line and a connector for supplying AC power to each board on a frame on which a plurality of LED fixed substrate is attached It is easy to install and maintain because it is not exposed to the outside.

Another problem to be solved by the present invention is to install the substrate with the LED attached to the lower portion of the aluminum frame with a heat-radiating tape in order to efficiently dissipate heat generated when the LED light emitting, and inserted and fastened to the mold bar with a one-touch elastomer nut installed on the upper portion of the aluminum frame By increasing the contact area between the mold bar and the upper part of the aluminum frame, the heat dissipation can be quickly achieved, thereby improving LED durability and improving luminous efficiency.

The problem solving means of the present invention is to fix a power conversion circuit between the plurality of LEDs to convert the DC power on the substrate to directly supply a commercial AC power to each of the plurality of LEDs fixedly installed to operate the DC power source It is to implement the LED lighting device for fastening the mold bar configured so that there is no need to connect and install a separate power supply device for converting to DC power by installing.

Another problem solving means of the present invention is a metal printed circuit board (PCB, printed) excellent in heat dissipation of a power conversion unit for converting AC power for supplying DC power to a plurality of LEDs to DC power and a substrate in which a plurality of LEDs are fixed designed and manufactured by using a circuit board, and attaching and installing the back surface of a substrate on which a plurality of LEDs are installed on a plane formed under an aluminum frame with a heat dissipation tape, wherein the aluminum frame has a large surface area for efficient heat dissipation. To implement the device.

Another problem solving means of the present invention is the LED substrate is attached to the lower portion of the aluminum frame, the elongated hole or space is formed to accommodate the power line for supplying AC power to each substrate on the aluminum frame is formed, The present invention provides a mold bar fastening LED lighting device having a male and female connector so as to be connected to an AC power line leading to a space, and a space for fastening or detaching a connector during installation and maintenance.

In another aspect of the present invention, an aluminum frame and a substrate attached with a heat dissipation tape are tightly installed by a fastening bolt and a one-touch elastomer nut in order to efficiently dissipate heat generated when a plurality of LEDs installed on the substrate emit light. One-touch elastomer nut fixedly installed on the upper part of the mold is designed to make the area of the upper part of the aluminum frame in contact with the formed mold bar as wide as possible when it is inserted into the mold bar by force fitting. It is to implement LED lighting device for fastening bar.

Another problem solving means of the present invention is installed in the lower portion of the plurality of LED installed substrate to diffuse the LED light, to prevent the LED damage due to the collision, and to insert into the fastening groove formed in the lower portion of the aluminum frame to achieve indirect lighting To implement a LED lighting device for fastening the mold bar having a protective cover.

The present invention prints a power conversion circuit for changing AC power to DC power on a board so that commercial AC power can be directly supplied to the board without installing a separate DC power supply on a plurality of LEDs, regardless of polarity. It has the beneficial effect of easy installation and maintenance by configuring for direct connection.

Another effect of the present invention is to form a hole or space elongated to accommodate the power line for supplying commercial AC power to each board and the male and female connector for power connection on the upper part of the frame to which a plurality of LED fixed substrate is attached It is provided so that the power lines are not exposed to the outside to facilitate installation and maintenance.

Another effect of the present invention is to install the LED fixed substrate attached to the lower part of the aluminum frame with a heat-radiating tape in order to effectively dissipate heat generated when the LED light emitting, the one-touch elastic nut is fastened to the fastening bolt and fastened to the aluminum upper mold It is configured to be inserted and fastened elastically to the bar, and is easy to install while increasing heat dissipation by increasing the contact area of the mold bar and the aluminum frame as much as possible to improve LED durability and improve luminous efficiency.

Another effect of the present invention is fixedly installed on one side of the board to supply power to the LED on one side of the edge of the power line for the female or male connector is installed, the other side is installed male or female connector, the LED board is fixed frame The rear side is provided with a space for accommodating the connector to facilitate the connector fastening and receiving.

Another effect of the present invention is to insert the LED diffusion and the protective cover in the fastening groove formed in the lower aluminum frame to diffuse the LED light, to prevent the LED damage due to the collision and to protect the eyes by indirect lighting.

1 is a photograph of the shape of a substrate having a plurality of LEDs and a chip for converting a power supply noise removing capacitor, commercial AC power to a DC power in the LED lighting device for fastening a mold bar of a clean room according to the present invention. .
2 is an exploded view of an LED lighting device for fastening a mold bar including an aluminum frame, a heat dissipation tape, a substrate on which a plurality of LEDs are installed, and a protective cover according to the present invention.
3 is a cross-sectional view of fastening a mold bar LED lighting device designed and manufactured according to the present invention to a mold bar.
Figure 4 shows a perspective view, front view, left and right side views, etc. of the one-touch elastic nut produced for the present invention.
Figure 5 is a photograph of the back of the substrate fixed to a plurality of LEDs designed and manufactured according to the present invention.
Figure 6 shows a cross-section of the LED diffusion and protective cover designed and manufactured in accordance with the present invention.
<Brief Description of Drawings>
11 substrate 12 LED
13: IC chip for converting AC power to DC power
14: capacitor for removing power noise
15: Power line connection terminal
21: substrate 22: heat dissipation tape
23: Female connector (for power connection) 24: Aluminum frame
25 one-touch elastomer nut 26 tightening bolt
27: LED diffusion and protective cover 28: Male connector (for power connection)
29: stopper (aluminum frame) 30: mold bar
31, 32: fastening groove
41: power line 42: power line receiving space
51, 52: jamming groove 53: convex portion

Hereinafter, the present invention will be described in detail.

According to the present invention, a printed circuit board having a plurality of LEDs is provided with a power conversion circuit for converting AC power to DC power on a board so that commercial AC power can be directly supplied to each board to which a plurality of LEDs operating with DC power are fixed. It is printed and installed on (PCB, printed circuit board) at the same time, and can be directly connected to commercial AC power irrelevant to the polarity of the power supply.

The printed circuit board is used interchangeably with the term 'substrate' in this specification and may be used as the term 'metal printed circuit board' for easy heat dissipation.

In the power conversion circuit for converting commercial AC power to DC power, a capacitor and an IC chip for converting AC power to DC power are fixed to be fixed by soldering together with a plurality of LEDs to remove various noises included in the power. A circuit is printed on a circuit board to design and manufacture, and the IC chip, the capacitor, and the electronic component for the circuit configuration are configured to be located at the center and between the boards, avoiding the positions where a plurality of LEDs are installed.

One side of the aluminum frame, which is manufactured to attach and fix a substrate on which a plurality of LEDs are fixed, has a hole or a space formed to accommodate a power line for supplying AC power to the substrate in order to supply power to the plurality of LEDs. .

It is fixedly installed on one side of the board to supply AC power to a large number of LEDs. Female or male connectors are installed at the edges of the power line fixed to the board, and commercially available 110V or 220V power lines are easily installed by male or female connectors. Power can be supplied by tightening. A specific embodiment of the present invention will be described.

<Examples>

A specific embodiment of the present invention will be described with reference to the drawings. 1 is a photograph of a top surface of a substrate designed and manufactured according to the present invention and provided with a plurality of LEDs, an IC chip for converting it into a DC power supply, and a noise removing capacitor.

Figure 2 shows an exploded view of the LED lighting device for fastening a mold bar consisting of an aluminum frame, a heat dissipation tape, a substrate with a plurality of LEDs, a fastening bolt, a one-touch elastic nut, and a protective cover according to the present invention.

In Figure 2, the one-touch elastomer nut is fastened and coupled to the male screw formed on the tightening bolt to firmly fix the aluminum frame and the substrate on which the plurality of LEDs are installed to facilitate heat dissipation, and formed on the upper part of the one-touch elastomer nut in the insertion groove formed in the mold bar. It is configured to be firmly inserted and fastened by an elastic body.

The elastic body formed on the upper portion of the one-touch elastic nut (25 of FIG. 2) is inserted into the elliptical shape of the upper part of the mold bar (30 of FIG. 2) by force fitting into the insertion groove formed in the upper part of the ellipse shape, and is opened when fastened. The upper part is inserted into the groove while being narrowed, and is configured to be firmly tightened while the gap of the upper part of the elastic body is separated by elasticity after insertion.

The elastic body is formed in an elliptical shape, the upper part of which is opened as a whole, and as shown in the front view of FIG. 4, a locking jaw (indicated by a letter) is further formed on the lower portion of the elastic body to insert the elastic body into the mold bar (30 of FIG. 2). In the case of fastening to the groove by force fitting, it is preferable to design and manufacture the locking jaw formed in the lower portion of the elastic body so as not to be easily detached by being caught by the mold bar (30 in FIG. 2).

The structure in which the one-touch elastomer nut (25 in FIG. 2) is fastened to the mold bar (30 in FIG. 2) is shown in detail in FIG.

The structure of the one-touch elastic nut (25 in FIG. 2) according to the present invention is shown in detail in perspective view, front view, left and right side views, top view bottom view and the like in FIG.

In FIG. 1, a substrate (21 in FIG. 2) in which a plurality of LEDs are installed in a mold bar fastening LED lighting device designed and manufactured according to the present invention is fixedly installed with a power conversion circuit for converting AC power into DC power and converting power. The circuit consists of capacitors, IC chips that convert AC power to DC power, and electronic components to form a stable circuit to remove various noises included in commercial AC power.

IC chip that converts capacitors, electronic components, and AC power into DC power, designs and manufactures printed circuit so that it is located in the empty space between center and LED, avoiding the fixed position of many LEDs installed on the board. The circuit is designed and manufactured to allow stable operation in consideration of noise and heat that may occur due to narrow and wide widths.

Previously, a plurality of LEDs (12 of FIG. 1) and a power conversion circuit are fixedly mounted on the bottom of an aluminum frame (24 of FIG. 2) as a heat dissipation tape (22 of FIG. 2) for efficient heat dissipation. .

FIG. 5 is a photograph of the back side of the substrate (11 of FIG. 1), which is a side where no LED is installed. The back side of the substrate is made of a clean plate so as not to cause an electrical problem. As shown in FIG. 2, the heat dissipation tape (22 of FIG. 2) is attached to a plane formed under the aluminum frame (24 of FIG. 2) to form efficient heat dissipation.

The lower part of the aluminum frame (24 of FIG. 2) protects the substrate, a plurality of LEDs and power conversion circuits installed on the substrate, widely spreads the light emitted from the LED, and a protective cover is installed to prevent direct light from entering the human eye. have.

The protective cover is configured such that the locking grooves formed at both edges of the protective cover are inserted into and fastened to each other to a fastening groove formed along both edges of the lower part of the aluminum frame.

The commercial AC power line connects the power line for power supply by forming a hole or space for accommodating the power line in one side of the upper part of the aluminum frame (it is a part of the mold bar) designed to insert and fix the board. It is easy to install and maintain.

One side of the board is provided with a female or male connector for power supply to be easily coupled with the commercial AC power is configured to be easily coupled with the male or female connector installed in connection with the commercial AC power line.

A connector accommodating space for accommodating the female or male connector and an extra power line is formed at one side of an aluminum frame.

The connector receiving space is formed on the upper edge of the aluminum frame adjacent to each other to form a space of 3cm to 7cm in length and 2cm to 5cm in width to connect the connectors to each other for installation or maintenance. It is configured for easy separation.

Power line and communication line for controlling the FFU (fan filter unit) located in the upper clean room is tangled with each other, so it takes a lot of time to maintain the maintenance, LED lighting device according to the invention is exposed to the outside Minimize the power line, and the power line is connected along the aluminum frame is fixed to each board is installed to facilitate the installation and maintenance of the LED power line.

The protective cover inserted into and fastened to the fastening grooves 31 and 32 of FIG. 2 formed at the bottom of the aluminum frame has locking grooves 51 and 52 of FIG. 6 formed at both edges, and serves to generate aesthetics and soft light. At the same time, the outside is smoothly processed and the inside is made of a configuration in which a plurality of convex portions (53 in FIG. 6) are formed in the mold bar length direction so that light generated from the LED is diffusely reflected to generate soft light.

However, this configuration of the protective cover (27 of FIG. 2) is only one embodiment, it can be designed and manufactured in various shapes and colors according to the needs of the consumer.

In addition, it uses a metal printed circuit board which is used to efficiently radiate heat generated when a plurality of LEDs installed on the substrate emit light to improve LED durability and increase luminous efficiency. Power conversion circuit and a large number of LEDs can be fixedly installed to convert commercial AC power to DC power.

Attaching and fixing the metal printed circuit board to the aluminum frame is the same as the above-described technical configuration, the plane formed on the back of the substrate and the plane formed under the aluminum frame is attached to each other by a heat radiation tape, one-touch elastic nut (Fig. 2 25) and the fastening bolt (26 of FIG. 2) can be configured to be in close contact with the aluminum frame and the substrate firmly to achieve efficient heat dissipation.

The interior of the aluminum frame is formed as an empty space as shown in Figures 2 and 3 to reduce the weight and material costs, increase the heat dissipation efficiency, is configured to be used as a power line receiving space (42 in Figure 3).

The technical configuration of firmly adhering the substrate to the lower part of the aluminum frame (24 of FIG. 2) is to fix the at least two one-touch elastic nut (25 of FIG. 2) and the fastening bolt (26 of FIG. 2) at a predetermined interval. And the aluminum frame (24 of FIG. 2) is tightened by tightening bolts (26 of FIG. 2) as in FIG.

At least two fixed one-touch elastomer nuts are fixedly inserted into the insertion grooves formed in the lower portion of the mold bar (30 in FIG. 2) by fastening the LED lighting device to the mold bar (30 in FIG. 2) by the elasticity of the elastic body. To be fixed.

Even when the separation can be separated from the mold bar (30 in Figure 2) by forcibly applying a force using the elasticity of the elastic body.

The upper part of the aluminum frame (24 of FIG. 2) is formed long on both sides with respect to the insertion groove formed in the center of the mold bar when it is fastened to the mold bar by a one-touch elastic nut installed on the aluminum frame (24 of FIG. 2). The upper surface of the aluminum frame is extended to both sides along the mold bar surface to be in close contact with each other is configured to achieve efficient heat dissipation.

The present invention is provided with a power conversion unit for converting the DC power on the substrate to directly supply commercial AC power to each of the plurality of LED is fixedly installed on the board, the board is fixed on the aluminum frame on which the AC power is supplied to each board It has a space for accommodating the power line for supplying, and the one-touch elastic nut that can be fastened to the mold bar by force fitting is installed on the upper part of the aluminum frame and fastened to the fastening bolt. It provides a LED lighting cabinet for fastening the mold bar to which LED diffusion and a protective cover are inserted to protect and can be directly connected to the AC power supply, and the heat dissipation can be enhanced by efficient heat dissipation to increase durability.

Claims (10)

In the LED lighting device for fastening the mold bar,
A substrate on which a plurality of LEDs operated by a DC power supply are fixed;
An aluminum frame fabricated in accordance with the back shape of the substrate, and having a substrate attached thereto, and fastened to a mold bar at an upper portion thereof to facilitate heat dissipation;
A one-touch elastic nut fixedly installed on the aluminum frame and fastened to the mold bar to be firmly fastened to the mold bar;
One or more fastening grooves formed on the aluminum frame and the LED substrate to attach the heat dissipation tape to facilitate heat dissipation between the aluminum frame and the LED substrate, and to closely install the aluminum frame and the LED substrate;
A tightening bolt inserted into at least one fastening groove formed in the aluminum frame and the LED substrate and fastened to the fastening one-touch elastic nut; And
One side of the substrate is composed of a power conversion circuit is fixed to the printed on one side of the LED substrate in order to convert the AC power to DC power on the board so that it can directly supply commercial AC power,
A hole or power line accommodating space for accommodating a power line for supplying power to a plurality of LEDs installed on the board, and a space for accommodating a connector for connecting a commercial AC power source,
The substrate on which the plurality of LEDs are installed is composed of a metal printed circuit board to easily radiate heat generated from the substrate to increase durability of the LEDs and to increase luminous efficiency.
The fastening one-touch elastic nut is formed in an elliptical shape with an upper portion open, and when the fastening is inserted into the mold bar by force fitting, the locking jaw is formed in the lower portion of the elastic body so that the elastic lower portion does not easily get caught by the mold bar. LED lighting device for mold bar fastening. delete The method according to claim 1,
The LED lighting device for fastening the mold bar under the aluminum frame further comprises a protective cover for protecting a plurality of LEDs and power conversion circuits installed on the substrate, and indirect lighting to protect the eyes. delete delete delete The method according to claim 1 or 3,
Power conversion circuit for converting AC power to DC power on the substrate LED lighting device for fastening the mold bar, characterized in that it includes a capacitor for removing noise contained in the power. The method according to claim 3,
The protective cover has a locking groove is formed to be inserted into the locking groove formed in the lower aluminum frame,
LED lighting device for fastening the mold bar, characterized in that a plurality of convex portions are formed long to induce light diffusion and diffuse reflection. delete delete

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