KR102136405B1 - Connector device for electronic signboard system having electromagnetic wave shielding function, and electronic signboard system having the same - Google Patents

Abstract

The present invention relates to a connector device for an electronic sign system having an electromagnetic wave shielding function and the electronic sign system having the same and, more specifically, to a controller device that transmits an image signal, the connector device for the electronic sign system having the electromagnetic wave shielding function which is arranged between an LED display panel to mark an image by lighting and flashing the LED according to the image signal applied from the controller device and is configured to attenuate the electromagnetic waves of the image signal applied to the LED display along a data signal line and the electronic sign system having the same.

Description

Connector device for electronic signboard system having an electromagnetic wave shielding function, and electronic signboard system having the same {Connector device for electronic signboard system having electromagnetic wave shielding function, and electronic signboard system having the same}

The present invention relates to a connector device for an electronic signboard system having an electromagnetic wave shielding function, and an electronic signboard system having the same, and more particularly, a controller device for transmitting an image signal; Arranged between LED signboard panels that display images by lighting and flashing LEDs according to the video signal applied from the controller device, and having an electromagnetic wave shielding function configured to attenuate electromagnetic waves of the video signal applied to the LED signboard along the data signal line A connector device for a signboard system, and a signboard system provided with the same.

As is well known, a billboard system using LEDs is a display device that realizes high resolution and color images of various colors, and is installed in various forms on the outer wall or inside of a building for advertising or broadcasting to implement images or videos. Is being used.

The LED display panel includes a LED panel in which red, green, and blue LEDs (Light Emitting Diodes) that emit unit pixels are arranged in a horizontal and vertical matrix form, and the LED panel is arranged. Each LED board constituting receives and outputs image data output from the main controller.

Therefore, in the art, the main controller is formed with output ports for outputting image data to each LED board, and the output port and the input port formed on the LED board are connected in series through a long data cable, so that the main controller is Transfer the image data to the serially connected LED board via data cables.

However, a large amount of electromagnetic waves are generated in the image data output from the main controller to the LED board through the data cable, and the data cable amplifies electromagnetic waves by an antenna effect, thereby emitting a large amount of electromagnetic waves to the outside. .

Such electromagnetic waves cause electrical malfunction of each component constituting the electronic signboard system, and the electromagnetic waves are known to be harmful to the human body, and thus stable shielding is required.

Accordingly, in the art, a shielding structure is provided on each data cable disposed between each LED board and the main controller to shield electromagnetic waves output along with image data from the main controller to the LED board.

However, a plurality of data cables are formed between the main controller and the display panel on which the LED board is formed, and providing shielding structures for shielding electromagnetic waves to each of the data cables individually causes an increase in manufacturing cost and provides stable shielding. It is difficult to secure.

KR 100291802 B1 KR 1019990066409 A

The object of the present invention, devised to solve the above-mentioned problem, is a main board for transmitting image data to a scoreboard board formed in a scoreboard panel and serially connected to each scoreboard board through a data cable to a scoreboard board connected in series via a data cable. It is disposed between the controllers, and by absorbing and removing electromagnetic waves emitted through the data cables,

Disclosed is a connector device for an electronic signboard system having an electromagnetic shielding function capable of stably shielding electromagnetic waves while resolving the cost and hassle of individually forming an electromagnetic shielding structure on each data cable, and an electronic signboard system having the same.

The above object is achieved by the following configuration provided in the present invention.

Connector device for an electronic signboard system having an electromagnetic wave shielding function according to the present invention,

A display panel panel in which a plurality of LED lamps are disposed and display boards on which an input terminal port for inputting image data are formed; It is configured separately from the sign panel, and includes a main controller formed with output terminal ports for individually generating video data to be transmitted to each LED board of the sign panel and outputting the generated video data to a corresponding sign board. It is arranged in the signboard system, and collectively absorbs the electromagnetic waves included in the image data transmitted serially from the main controller to each LED board of the signboard panel through data cables.

A circuit board; Input terminal connection terminals which are disposed on one side of the circuit board and are connected to the output terminal port of the main controller and the input side data cable; An output side connection port which is disposed on one side of the circuit board and serially connects the ends through the input side connection terminal ports and the series conducting pieces formed on the circuit board, and is connected in series through the input terminal port of the scoreboard board and the output side data cable; And a magnetic absorbing pad disposed on the circuit board and radiating magnetic force to a series circuit piece connecting the input-side connection terminal port and the output-side connection terminal port in series to absorb and remove electromagnetic waves emitted from the series circuit piece. It is characterized by consisting of.

Preferably, the magnetic absorbent pad is formed of a molded body molded into a pad shape by mixing a silicone polymer with a magnetic powder emitting magnetic force and a shielding metal powder,

The shielding metal powder is coated copper, silver coated glass, silver coated aluminum, silver coated nickel, nickel coated graphite, net It includes at least one selected from the group consisting of silver (Pure Silver) and combinations thereof, the particle size of the shielding metal powder is composed of 10㎛ ~ 50㎛.

More preferably, on the surface layer of the magnetic absorbent pad, a magnetic shielding sheet made of a ferromagnetic material is formed by laminating the entire surface portion and side surfaces of the magnetic absorbent pad so as to be stacked,

The magnetic shielding sheet is configured to shield the magnetic force leaking to the surface and side of the magnetic absorbent pad, and to radiate the shielded magnetic force to the circuit board.

Then, the circuit board, a mixture of ferrite (ferrite) and a binder (binder) resin to apply and cure the mixture on one surface of the copper sheet to form a substrate base layer on one surface of the copper sheet, and then copper plate sheet through corrosion treatment It is formed in a form in which a series circuit piece in which a copper sheet is etched on one surface of the substrate base layer by corrosion treatment is formed, and the substrate base layer of the circuit board is put in a magnetization device to be magnetic through ferrite magnetization treatment. .

On the other hand, the electronic sign system according to the present invention,

A display panel panel in which a plurality of LED lamps are disposed and display boards on which an input terminal port for inputting image data are formed; A main controller configured to be separated from the signboard panel, and having output terminal ports for individually generating video data to be transmitted to each LED board of the signboard panel and outputting the generated video data to a corresponding signboard board; And an integrated connector device for collectively absorbing electromagnetic waves included in image data serially transmitted from the main controller to each LED board of the display panel via data cables, wherein the integrated connector device is according to the present invention.

As described above, in the present invention, it is disposed between a signboard board formed on a signboard panel and a main controller that is serially connected to each signboard board through a data cable and transmits image data to a signboard board connected in series via a data cable. The electromagnetic waves transmitted together with the image data transmitted through the data cables of the system are collectively absorbed and removed through magnetism.

Accordingly, the present invention can reduce the amount of electromagnetic waves emitted from the display panel while increasing the manufacturing cost and the inconvenience of forming the electromagnetic wave shielding structure on each data cable individually.

1 is a block diagram showing an electronic signboard system including an integrated connector device for an electronic signboard system having an electromagnetic wave shielding function proposed as a preferred embodiment of the present invention,
Figure 2 shows the external configuration of the integrated connector device for a billboard system having an electromagnetic wave shielding function proposed as a preferred embodiment in the present invention,
4 and 5 show a stacked assembly structure of an integrated connector device for an electronic signboard system having an electromagnetic wave shielding function proposed as a preferred embodiment of the present invention.

Hereinafter, an integrated connector device for an electronic signboard system having an electromagnetic wave shielding function proposed as a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing an electronic signboard system including an integrated connector device for an electronic signboard system having an electromagnetic wave shielding function proposed as a preferred embodiment in the present invention, and FIG. 2 is an electromagnetic shield proposed as a preferred embodiment in the present invention It shows the external configuration of the integrated connector device for a signboard system having a function, and FIGS. 4 and 5 show a stacked assembly structure of the integrated connector device for a signboard system having an electromagnetic wave shielding function proposed as a preferred embodiment of the present invention. .

In the integrated connector device 30 for absorbing electromagnetic waves according to the present invention, as shown in FIG. 1, a plurality of LED lamps 22 are disposed and the display boards 11 formed with input terminal ports 12 for inputting image data are provided. A placed billboard panel 10; Separately configured from the scoreboard panel 10, image data requiring transmission to each LED board 11 of the scoreboard panel 10 is individually generated, and the generated image data is transmitted to the corresponding scoreboard board 11 It is arranged in the electronic signboard system 1 including the main controller 20 in which the output terminal ports 21 are output, so that each of the electronic signboard panel 10 in the main controller 20 through the data cables 40A, 40B It is a device that collectively absorbs and reduces electromagnetic waves included in image data transmitted serially to an LED board.

The output terminal port 21 formed on the main controller 20 and the input terminal port 12 of each scoreboard board 11 constituting the scoreboard panel 10 are connected in series through data cables 40A and 40B. , Each sign board 11 displays the required image through the image data received wired through the data cables 40A and 40B.

On the other hand, the integrated connector device 30 according to the present embodiment, as shown in Figures 1 to 3, by shielding the data cables (40A, 40B) that emits a large amount of electromagnetic waves to the outside during the wired transmission process of the image data, It is possible to stably shield electromagnetic waves emitted in a large amount to the outside without individually forming an electromagnetic shielding structure on each data cable 40A or 40B.

The integrated connector device 30 includes a circuit board 31 disposed between the main controller 20 and the scoreboard panel 10; Input terminal terminals 32 which are disposed on one surface of the circuit board 31 and are connected to the output terminal port 21 of the main controller 20 and the input side data cable 40A; It is disposed on one surface of the circuit board 31 to connect the end in series through the input-side connecting terminal ports 32 and the series energizing pieces 31a formed on the circuit board 31, and the input terminal port of the electronic board 11 12 and output-side connection terminal ports 33 connected in series through the output-side data cable 40B.

Therefore, the output terminal port 21 of the main controller 20 is connected in series to the input-side connection terminal port 32 of the corresponding integrated connector device 30 through the input-side data cable 40A, and the electronic panel 10 ), the input terminal port 12 of each scoreboard board 11 is connected in series with the output-side connection terminal port 33 formed on the integrated connector device 30 through the output-side data cable 40B, so that the scoreboard panel 10 Each of the display boards constituting the (11) are connected in series with the output terminal port (21) of the corresponding main controller (20) via the integrated connector device (30) to receive image data.

In this embodiment, the input side data cable 40A, the output side data cable 40B, the output terminal port 21 of the main controller 20, and the input terminal of the scoreboard board 11 formed on the scoreboard panel 10. By providing a unique electromagnetic wave absorbing structure for absorbing and removing electromagnetic waves through magnetic force on the circuit board 31 of the integrated connector device 30 connecting the ports 12 in series, each data cable 40A, 40B is provided. The electromagnetic waves emitted to the outside through the corresponding data cables 40A and 40B are collectively absorbed and eliminated without removing the electromagnetic wave absorbing structure individually.

First, in this embodiment, the substrate base layer 31c of the circuit board 31 on which the series circuit piece 31a is disposed is configured to have magnetism, and the series circuit piece is driven by the magnetic force emitted from the circuit board 31 itself. Electromagnetic waves emitted through (31a) are absorbed.

Here, the substrate base layer 31c of the circuit board 31 is made of a mixture of ferrite and binder resin as shown in FIGS. 4 to 5, and has a magnetic force through a magnetization process.

In addition, the ferrite may be at least one selected from the group of ferrites consisting of barium, strontium, copper, zinc, nickel, manganese, magnesium, and combinations thereof.

Further, the binder resin may be at least one selected from the group consisting of epoxy resin, melamine resin, polymer resin such as PET (poly ethylene terephthalate) or PP (polypropylene), and combinations thereof.

In the present embodiment, the ferrite and the binder are mixed to form a laminate on a copper sheet to form a substrate base layer 31c on the copper sheet, and the surface of the substrate base layer 31c is subjected to corrosion treatment of the copper sheet. In order to form the series circuit pieces (31a) in which the copper sheet is corroded.

Then, the substrate base layer 31c on which the series circuit pieces 31a are formed is put into a magnetization processor to magnetize ferrite mixed into the substrate base layer 31c, so that the circuit board 31 has its own magnetism. do.

Further, in the present invention, an electromagnetic wave absorbing structure that absorbs and removes electromagnetic waves through magnetic force is further formed on the circuit board 31 having magnetism through magnetization treatment, and then on the series circuit piece 31a formed on the circuit board 31. By emitting more magnetic force, a larger amount of electromagnetic waves are absorbed and removed by the emitted magnetic force.

The electromagnetic wave absorbing structure is disposed on the circuit board 31 of the integrated connector device 30 as shown in FIGS. 2 to 5, and is disposed between the input-side connection terminal port 32 and the output-side connection terminal port 33. And a magnetic absorbing pad 34 that absorbs and removes electromagnetic waves emitted from the series circuit piece 31a by emitting magnetic force to the series circuit piece 31a connected in series.

The magnetic absorbent pad 34 is composed of a molded body formed into a pad shape by mixing a magnetic polymer powder that emits magnetic force, which is widely adopted for absorption of electromagnetic waves, and a shielding metal powder, into a silicone polymer having rubber properties, Electromagnetic waves emitted from the series circuit pieces 31a disposed on the circuit board 31 are absorbed and removed through the mixed magnetic powder and the shielding metal powder.

The shielding metal powder incorporated in the magnetic absorbent pad 34 is coated copper, silver coated glass, silver coated aluminum, silver coated nickel, nickel It includes at least one selected from the group consisting of coated graphite (Nickel Coated Graphite), pure silver (Pure Silver), and combinations thereof, the particle size of the shielding metal powder is made of 10㎛ ~ 50㎛.

In the present embodiment, the magnetic absorption pads 34 are arranged to be stacked on one surface and the back surface of the circuit board 31, respectively, to absorb electromagnetic waves by the magnetic force emitted through the magnetic powder and the shielding action of the mixed shielding metal powder. To eliminate and shield through.

At this time, the input side connection terminal port 32 and the output side connection terminal port 33 protruding from both sides of the circuit board 31 are external to both sides of the magnetic absorbent pad 34 stacked on one surface of the circuit board 31. The exposed port holes 34a and 35a are formed through, so that the magnetic absorbent pad 34 does not interfere with the input-side connection terminal port 32 and the output-side connection terminal port 33 formed on one surface of the circuit board 34. It is to be in close contact with one surface of the circuit board 31.

In particular, in the present invention, a magnetic shielding sheet 35 made of a ferromagnetic material is formed on the surface layer of the magnetic absorbent pad 34 and entirely encloses the front and side parts of the magnetic absorbent pad 34.

Therefore, the magnetic shielding sheet 35 shields the magnetic force leaking to the surface and side surfaces of the magnetic absorption pad 34, and dissipates the shielded magnetic force into the circuit board 31, thereby maximizing the electromagnetic wave absorption efficiency by the magnetic force. Can.

In addition, in the present invention, the magnetic shielding sheet 35 is laminated, the magnetic absorbing pad 34 is stacked on one surface and the back surface of the circuit board 31, the pad is fixed to one surface and the back surface of the circuit board 31 to be fixed By providing a fixing structure, it is possible to form and assemble and fix the magnetic absorbent pad 34.

To this end, in this embodiment, as shown in FIGS. 2 to 5, the circuit board 31 is formed with a long hole-shaped installation rail 31b, and the installation rail 31b has a magnetic shielding sheet 35. A magnetic indentation block 36 is formed by laminating and fixing the magnetic absorbent pad 34 stacked on one surface and the back surface of the circuit board 31 by linear pressing.

Here, the magnetic indentation block 36 is composed of an injection molded product of a plastic material formed by mixing a magnetic powder and a shielding metal powder, and is standardized assembly and fixation of the magnetic absorbent pad 34 and emitted through the magnetic powder. It is intended to absorb and remove and shield electromagnetic waves emitted through the series circuit piece 31a through magnetic force and shielding metal powder.

Preferably, an installation rail 31b is formed along the inside of the edge portion of the circuit board 31 and a magnetic press-fitting block 36 is pressed into the installation rail 31b, so that the series is formed in the circuit board 31. The side portion of the circuit board 31 on which the circuit pieces 31a are disposed is to be entirely shielded by the magnetic press-fitting block 36 disposed along the installation rail 31b.

In addition, linear indentation projections 36a are formed to protrude on one surface and the back surface of the magnetic indentation block 36 disposed on the circuit board 31, and magnetic absorption is stacked on one surface and the back surface of the circuit board 31. A linear attachment hole that penetrates and adheres to the pad 34 and the linear indentation protrusion 36a formed in the magnetic indentation block 36 on the magnetic shielding sheet 35 stacked on the surface of the magnetic absorbent pad 34 ( 34b, 35b) are formed correspondingly.

Therefore, the magnetic absorption pad 34 stacked on one surface and the back surface of the circuit board 31 by laminating the magnetic shielding sheet 35 protrudes on one surface of the circuit board 31 through the magnetic indentation block 36. The linear pressing holes (34b, 35b) are fixed to the formed linear press-in projections (36a) to be fixed in close contact with one and the back surface of the circuit board (31).

In particular, the magnetic absorbent pad 34 is compressed on the surface by a magnetic shielding sheet 35 made of a ferromagnetic metal material, and is in close contact with one surface and the back surface of the circuit board 31 requiring absorption and shielding of electromagnetic waves. , It is possible to more stably absorb and remove electromagnetic waves emitted from the series circuit piece 31a through magnetic force.

In addition, the magnetic indentation block 36 for fixing the magnetic absorbent pad 34 on which the magnetic shielding sheet 35 is stacked through the linear indentation to be fixed on one surface and the back surface of the circuit board 31 is mixed magnetic powder. And the electromagnetic wave emitted through the series circuit piece through the shielding metal powder is absorbed and shielded.

Accordingly, the series circuit pieces 31a disposed on the circuit board 31 are electromagnetic waves by the magnetic force emitted from the magnetic absorption pads 34 disposed on one and the back side and the magnetic force emitted by the magnetic indentation block 36. The stable absorption of is achieved, and the magnetic force is not leaked to the outside by the magnetic shielding sheet 35, but is induced and radiated to the circuit board 31, thereby forming a more stable shielding state of electromagnetic waves.

Thus, the electromagnetic waves included in the image data output through the output terminal port 21 of the main controller 20 through each of the input-side data cables 40A are serial circuit pieces 31a formed in the integrated connector device 30. As they pass through them, electromagnetic waves are absorbed and removed by the magnetic absorption pad 34 and the magnetic indentation block 36.

Thereafter, the image data from which the electromagnetic waves have been removed is applied to the scoreboard board 11 of the scoreboard panel 10 through the output-side data cable 40B, and as a result, the amount of emission of electromagnetic waves emitted from the scoreboard panel 10 may be reduced. .

1. Billboard system
10. Billboard panel 11. Billboard board
12. Input terminal port
20. Main controller 21. Output terminal port
30. Integrated connector device 31. Circuit board
31a. Series circuit section 31b. Installation rail
32. Input-side connection terminal port 33. Output-side connection terminal port
34. Magnetic absorption pad 34a. Port Gong
34b. Linear shoulder ball 35. Magnetic shielding sheet
35a. Port Gong 35b. Linear shoulder
36. Magnetic indentation block 36a. Linear indentation
40A. Input side data cable 40B. Output side data cable

Claims (4)

A display panel panel in which a plurality of LED lamps are disposed and display boards on which an input terminal port for inputting image data are formed; It is configured separately from the sign panel, and includes a main controller formed with output terminal ports for individually generating video data to be transmitted to each LED board of the sign panel and outputting the generated video data to a corresponding sign board. It is arranged in a signboard system, and collectively absorbs electromagnetic waves included in image data transmitted serially from the main controller to each LED board of the signboard panel through data cables.
A circuit board having magnetism through magnetization processing; Input terminal connection terminals which are disposed on one side of the circuit board and are connected to the output terminal port of the main controller and the input side data cable; An output-side connection terminal port disposed on one side of the circuit board to serially connect the ends through the input-side connection terminal ports and the series current-carrying pieces formed on the circuit board, and the output-side connection terminal ports connected in series through the input-board port and the output-side data cable; And a magnetic absorbing pad disposed on the circuit board and radiating magnetic force on a series circuit piece connecting the input-side connection terminal port and the output-side connection terminal port in series to absorb and remove electromagnetic waves emitted from the series circuit piece. and,
A magnetic shielding sheet made of a ferromagnetic material is formed on the surface layer of the magnetic absorbent pad and encloses the surface and side parts of the magnetic absorbent pad as a whole, thereby allowing the magnetic shielding sheet to absorb magnetic force leaking to the surfaces and sides of the magnetic absorbent pad. It is configured to shield and radiate the shielded magnetic force to the circuit board,
A magnetic indentation block is formed on the circuit board so as to penetrate an installation rail made of a long hole, and on the installation rail, the magnetic shielding sheet is stacked to linearly press and fix the magnetic absorbent pads stacked on one side and the back of the circuit board. Integrated connector device for a billboard system having an electromagnetic wave shielding function, characterized in that configured as possible. According to claim 1, The magnetic absorbent pad is composed of a molded body molded into a pad shape by mixing a magnetic polymer that emits magnetic force and a shielding metal powder in a silicone polymer,
The shielding metal powder is coated copper, silver coated glass, silver coated aluminum, silver coated nickel, nickel coated graphite, net Incorporation for at least one selected from the group consisting of silver (Pure Silver) and combinations thereof, the particle size of the shielding metal powder is 10㎛ ~ 50㎛ integrated for electronic display system having an electromagnetic wave shielding function, characterized in that consisting of Connector device. delete A display panel panel in which a plurality of LED lamps are disposed and display boards on which an input terminal port for inputting image data are formed; A main controller configured to be separated from the scoreboard panel, and having output terminal ports for individually generating image data to be transmitted to each LED board of the scoreboard panel and outputting the generated image data to a corresponding scoreboard board; And an integrated connector device for collectively absorbing electromagnetic waves included in the image data serially transmitted from the main controller to each LED board of the scoreboard panel through data cables, wherein the integrated connector device is any one of claims 1 to 2. Electronic signboard system, characterized in that according to the paragraph.

Images