KR100754020B1 - Electric bulletin board with bending prevention device - Google Patents

Abstract

An electric signboard having a bending prevention device is provided to facilitate installation work by adjusting the length of the bending prevention device, and to support a frame through plural contact points by contacting the end of an auxiliary support rod to the frame. An electric signboard having a bending prevention device(20) comprises a body having plural LED(Light Emitting Diode) modules aligned on horizontal and vertical frames(131,132) installed on the front side and a door installed at the rear side of the body and opened and closed to repair the inside. The bending prevention device is formed like a horizontal rod body for connecting the front and rear sides of the body, and composed of an outer pipe having threads on one end and an inner pipe having threads formed on one end correspondently to the threads of the outer pipe. The bending prevention device is integrated by thread-combining the inner and outer pipes. The length of the bending prevention device is adjusted according to the looseness degree of a combined part of the inner and outer pipes.

Description

Electric bulletin board with bending prevention device

1A and 1B are perspective views of an electronic display panel according to the present invention.

Figure 1c is a partial perspective view showing a frame and a LED module mounted on the front of the signboard according to the present invention.

Figure 2 is a cross-sectional view showing an installation state of the bending prevention device according to the present invention.

Figure 3 is a cross-sectional view showing a flexible bending prevention device according to the present invention.

Figure 4 is a cross-sectional view showing a bending prevention device combined rubber cap according to the present invention.

Figure 5 is a plan view showing a bending preventing device formed auxiliary support according to the present invention.

Figure 6a and Figure 6b is a plan view and a coupling state showing the hook of the auxiliary support end in accordance with the present invention.

Figure 7a is an enlarged cross-sectional view showing the main part of the conventional electronic sign.

Figure 7b is a plan view schematically showing a bending state when the wind pressure acts on the conventional electronic sign.

<Explanation of symbols for main parts of the drawings>

10: display board 11: body

12 door 13 frame

20: warpage prevention device 21: known zone

22: rubber cap 30: auxiliary support

31: hook 32: hinge

40: LED module 131: horizontal frame

132: vertical frame 133: rib

211: appearance 212: inner tube

213: thread 311: insert

312: fastener 313: bolt

The present invention relates to a display board having a warpage prevention device, and more particularly, to the frame of a large display board in which a plurality of LED modules are installed, a warpage prevention device is installed on the horizontal line of the front and rear surfaces to press the front of the warpage prevention device. The present invention relates to an electric display plate having a warpage preventing device that prevents the frame from bending due to wind pressure, thereby preventing the molding agent filling the LED modules from being separated or peeled off by repeated warping.

In general, a large display board using an LED forms a plurality of frames on the front of the main body, and combines a number of standardized LED modules so that the LED lamp is displayed on the outside of the frame, and the back of the main body for replacement and inspection of each part The door is installed at the rear. In addition, various wirings including a power supply line for supplying power are connected to the rear surface of the LED module, and a control unit for controlling the degree of emission or selective power supply is installed to adjust the power and signals supplied to the front of the display board. By displaying the figure, various promotional and advertising effects are shown.

Such a large display board 1 is formed of a plurality of LED modules are arranged as described above, as shown in Figure 7a and 7b, the front surface of the LED lamp 3, as shown in the PCB board of the LED module 2 ( 4) attaching the coating film (5), and between the LED lamp and the coating film and the LED module, respectively with a molding agent (6) to remove the gap to prevent foreign matter from entering the inside of the main body from the outside. do.

However, since the large display board 1 is generally installed at a high place such as a roof of a building or a side of a high-rise building to secure a visible distance, a strong wind pressure acts on the LED module 2 installed in the front of the main body. This wind pressure is transmitted to the frame in which the LED module is installed to bend the frame 7 inward. Therefore, there is a problem that the molding agent between the LED module or the molding agent between the LED lamp and the coating film is separated and peeled off by the repeated bending of the frame. Of course, the molding agent initially has excellent elastic restoring power, and thus is less susceptible to breakage. However, as time passes, the molding agent is cured by high heat of the LED lamp and the irradiation of sunlight, resulting in increased fatigue due to repeated bending. This is separated from the surface of the LED or peeled off to create a gap. The generated gap is rain passage in rainy weather, the substrate of the LED module exposed to the rainwater is difficult to manage such as short-circuit generated by the supplied power or damaged or fire.

Accordingly, the present invention has been made to solve the above problems,

It is an object of the present invention to provide a device for preventing warpage of a frame by installing a warpage preventing device of a rod on the bottom of a frame on which an LED module is mounted so that the wind pressure acting on the front of the display board is distributed by supporting the warpage prevention device.

In addition, the length of the bending prevention device is adjustable to facilitate the installation, as well as additional support is installed in the bending prevention device to support the end of the auxiliary support by contacting the frame is made by a multi-contact It is for another purpose.

Electronic board with a bending prevention device of the present invention for achieving the above object,

An electric sign board comprising a main body in which a plurality of LED modules are arranged in a horizontal vertical frame formed on the front surface and a door formed on the rear of the main body to be opened and closed for internal repair, wherein the main body is connected to the front and rear sides in a horizontal direction. The bending prevention device formed in the well-known land which is a rod body of is installed.

The bending preventing device is composed of an outer tube formed on one side end and an inner tube formed on one side of the thread corresponding to the thread of the outer side is integrated by screwing, and the length is adjusted by the degree of loosening of the combined part. The rubber cap may be further mounted at both ends of the bending preventing device to improve adhesion.

In addition, the bending preventing device may be coupled to one end hinged to the appearance on one side of the support zone consisting of the outer tube and the inner tube, the other end may be formed with a number of auxiliary supports coupled to the body frame. An end of the auxiliary support is formed in the center of the insertion portion is formed a hook of the "C" shape formed with a tightening hole on one side, the frame is formed of a T-shaped steel having a rib on the back, the insertion portion of the hook on the rib Insertion can be made by tightening the bolt to one side tightening hole can be made.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 1a and Figure 1b is a perspective view of the display board according to the invention, Figure 1c is a partial perspective view showing a frame and the LED module mounted on the front of the display board according to the invention, Figure 2 is a bending prevention device according to the invention Figure 3 is a cross-sectional view showing an installation state, Figure 3 is a cross-sectional view showing a flexible bending prevention device according to the present invention, Figure 4 is a cross-sectional view showing a bending prevention device combined with a rubber cap according to the invention, Figure 5 6 is a plan view illustrating a bending preventing device having an auxiliary support according to the present invention, and FIGS. 6A and 6B are plan views and coupling state diagrams illustrating hooks of end portions of the auxiliary support according to the present invention.

The electric sign 10 provided with the bending preventing device of the present invention includes a main body 11 having an LED module 40 installed on a front surface thereof, and a door 12 provided to check and repair a state of the interior of the main body on a rear surface of the main body 11. It is composed. A plurality of frames 13 are installed on the front surface of the main body, and the LED module 40 is installed on the frames. That is, the frame 13 is composed of a horizontal frame 131 and a vertical frame 132 and the LED module 40 is coupled in a state in which the LED lamp is exposed to the outside.

In the above configuration, the inside of the main body 11 is further provided with a bending prevention device 20 of the rod to prevent the front surface from bending by the wind pressure. That is, as shown in Figure 2 is installed so that one end of the bending prevention device 20 is in contact with the rear of the horizontal frame 131 and the vertical frame 132 on which the LED module 40 is mounted, the other end of the bending prevention device In contact with the back of the main body to receive the wind pressure received on the front of the main body to be distributed to the back to prevent bending. The bending prevention device 20 may be installed at the cross section of the horizontal frame 131 and the vertical frame 132, or may be installed on any one side of the frame, the end of the rear end is not formed door It should be installed in contact with the body surface.

The bending preventing device 20 is composed of an outer tube 211 and an inner tube 212 inserted into an inner portion of the outer tube. As shown in FIG. 3, one end inner circumference and the inner tube 212 of the outer tube 211 are illustrated. One end of the outer periphery of the thread 213 corresponding to each other is formed to be screwed, and the total length is stretched in accordance with the degree of locking and loosening of the screw coupling can be adjusted to adjust the length of the bending prevention device. That is, when the entire length of the warpage prevention device 20 is shortened, the battery is inserted into the main body of the display board and positioned at a desired portion, and then the screw coupling between the exterior 211 and the inner tube 212 of the warpage prevention device is released. The entire length of the warpage preventing device 20 is extended and firmly fixed to the front and rear of the display.

In addition, both ends of the bending prevention device 20 can be provided with a rubber cap 22 as shown in Figure 4 to provide an airtight adhesion. At this time, the end of the rubber cap 22 may be formed with a groove to maintain close contact with the portion. For example, when it comes into contact with the wall, a rubber cap having a flat end may be used. When using a “T” shaped steel with ribs, the groove may be formed in the rubber cap so that the rib is inserted, and the ribs may cross to form a cross. In this case, the rubber cap may be inserted to form a cross groove. Forming a groove in the rubber cap as described above has the advantage that can be easily coupled to the desired position.

Next, as shown in FIG. 5, the auxiliary support 30 may be further mounted to the bending preventing device 20 of the present invention. The auxiliary support 30 is one end is coupled to the hinge 32 in the middle portion of the support base 21, the outer and inner pipes are screwed, the other end is configured to be coupled to the frame 13 of the main body 11 do. Two or four of the auxiliary support 30 is mounted on the support base 21 is coupled to the left and right of any one of the horizontal or vertical frame, or installed in the intersection of the horizontal and vertical frame to be coupled to each frame. Can be.

In addition, when the frame 13 is installed with a T-shaped steel having ribs 133 formed on a rear surface thereof, a hook 31 having an insertion portion 311 formed at the center of the auxiliary support 30 is formed at the end of the auxiliary support 30. To form a further to facilitate the coupling. That is, a hook 31 having a “c” shape having an insertion portion 311 formed at the center of the auxiliary support 30 is formed to allow the rib 133 to be inserted into the insertion portion 311. At this time, the hook 31 has a fastening hole 312 is formed on the side, as shown in Figure 6b, by tightening the bolt 313 with the fastening hole is rigidly coupled to the rib and the auxiliary support. Therefore, one side end of the auxiliary support is coupled to the rib and the other end is fixed to the hinge coupling to the support, the auxiliary support 30 also serves to support against the wind pressure received by the front of the display board in the same way as the support (21). .

In this configuration, when the support zone 21 is used alone, the wind pressure acting on the front of the display board is received as a point, so that the second side in which the frame is bent due to excessive pressure acting on the surface where the frame 13 and the support zone 21 contact each other. On the contrary, when the auxiliary support 30 is mounted, the wind pressure generated in a predetermined area is transmitted to the multi-contact point, thereby reducing the pressure transmitted from each contact point of the frame 13 and the bending prevention device 20. It can provide a stable structure.

As described in detail above, the electric sign provided with the bending preventing device of the present invention,

The bending prevention device of the rod is mounted on the bottom of the frame on which the LED module is mounted to prevent the bending of the frame by dispersing and supporting the wind pressure acting on the front of the display board.

In addition, the length of the bending prevention device is adjustable to facilitate the installation, as well as additional support is installed in the bending prevention device so that the end of the auxiliary support is also supported by the contact by the frame made of a multi-contact It is possible to provide a useful device that can obtain the effect of installing a plurality of warp prevention device with the warp prevention device of.

In addition, the above-mentioned example is only an example to demonstrate this invention. Therefore, it is obvious that the ordinary skilled in the art to which the present invention pertains uses the partial change with reference to the detailed description.

Claims (5)

In the electric signboard consisting of a main body having a plurality of LED modules arranged in a horizontal vertical frame formed on the front, and a door formed on the rear of the main body to be opened and closed for internal repair, The main body 11 is an electric plate with a bending prevention device, characterized in that the bending prevention device 20 is formed of a rod in the horizontal direction connecting the front and rear. The method of claim 1, The bending prevention device 20 is composed of an outer tube 211 formed with a screw thread at one end and an inner tube 212 formed at one end with a screw thread corresponding to the screw thread of the outer body and integrated by screwing. Electronic board with a bending prevention device, characterized in that the length is adjusted by the degree of loosening. The method of claim 1, The both sides of the warp preventing device 20, the front plate with a warp preventing device, characterized in that the rubber cap 22 is further mounted to improve the adhesion. The method of claim 1, The bending preventing device 20 has one end hinged to the exterior of one side of the supporting base 21, which is composed of the exterior 211 and the inner tube 212, the other end is coupled to the main frame 13, the auxiliary support 30 Electric plate with a bending preventing device, characterized in that formed a plurality. The method of claim 4, wherein An end portion of the auxiliary support 30 forms a hook 31 having a “c” shape in which an insertion portion 311 is formed at the center and a tightening hole 312 is formed at one side thereof, and the frame 13 has a rear surface. An electric light plate having a warpage preventing device, characterized in that formed by a T-shaped steel having a rib 133, by inserting the insertion portion of the hook into the rib to tighten the bolt 313 by one side tightening hole.

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