JP4332342B2 - A method of incorporating a large screen LED display device into the outer peripheral wall of a curtain wall building, a curtain wall building incorporating a large screen LED display device into an outer peripheral wall, and an LED panel module incorporated into a curtain wall building - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for incorporating a large screen LED display device into an outer peripheral wall of a curtain wall building, a curtain wall building incorporating a large screen LED display device into an outer peripheral wall, and an LED panel module incorporated into the curtain wall building.
[0002]
[Prior art]
In urban buildings, you often see a large-screen public display installed on the wall of the building. Recently, a dot matrix type full-color large screen LED display device using an LED lamp as a display element has been widely used as a public display, and has sent out various images similar to television images.
[0003]
A large screen LED display device used as this type of public display has a structure that is externally installed on the wall surface of an existing building and a pre-designed opening on the wall surface of the building, and fills the opening. A typical structure is one that can be installed as much as possible. None of the devices having these structures is suitable for constructing a huge screen display having multiple layers in terms of practical workability and maintainability.
[0004]
Under such a technical background, the applicants first made an invention of a high-rise building (Japanese Patent Laid-Open No. 2000-132123) equipped with a huge screen display facing outside on the inside of a transparent glass outer wall. did. The high-rise building to which this invention is applied is actually constructed and operated. In this connection, the applicants have invented a louver structure module (Japanese Patent Laid-Open No. 2000-200054) that constitutes a huge screen display, or a high-density dot matrix type display with a low-density dot configuration. The invention includes a control method and a display system (Japanese Patent No. 3313312) and a full-color LED display system (Japanese Patent No. 3294597) for displaying bitmap image data having a high density dot configuration, and these technologies are also applied to a public display. It is carried out.
[0005]
[Problems to be solved by the invention]
In the "high-rise building equipped with a huge screen display facing outside inside the transparent glass outer wall" developed and currently being implemented by the applicants, it is necessary to design a building on the assumption that a large screen display will be incorporated was there.
In contrast, an object of the present invention is to easily incorporate a large-screen LED display device into a part of the outer peripheral wall of a general curtain wall construction.
[0006]
[Means for Solving the Problems]
A first invention for achieving the above object is a method invention specified by the following items (1) to (4).
(1) A large screen LED display device as a part of an outer peripheral wall in a curtain wall building that constitutes an outer peripheral wall by connecting and fixing a number of panel members to a support mechanism fixed to a slab or beam of a structural frame It is a method of incorporating.
(2) Rigid and waterproof rectangular tile-shaped parts, in which a large number of LED lamps are arranged in a matrix on the front surface, and a large number of LED tiles incorporating drive control circuits for these LED lamps are provided.
(3) A tile sticking panel fixed to the support mechanism is provided as the panel material, and the LED tiles are connected and fixed to the outer surface side of the tile sticking panel without any gaps. An LED panel module is configured by wiring.
(4) The tile panel of the LED panel module is fixed to the support mechanism, so that the LED panel module becomes a part of the outer peripheral wall.
[0007]
The second invention is an invention specified by the following items (21) to (24).
(21) A curtain wall structure that forms an outer peripheral wall by connecting and fixing a number of panel members to a support mechanism fixed to a slab or beam of a structural frame, and a large screen LED as a part of the outer peripheral wall A display device is incorporated.
(22) As the panel material, a tile sticking panel fixed to the support mechanism is provided, and a large number of LED tiles are connected and fixed to the outer surface side of the tile sticking panel without gaps, and the back side of these LED tiles The LED panel module is configured by providing electrical wiring.
(23) The LED tile is a rigid and waterproof rectangular tile-shaped part, and a large number of LED lamps are arranged in a matrix on the front surface, and a drive control circuit for these LED lamps is built in.
(24) The tiled panel of the LED panel module is fixed to the support mechanism, and the LED panel module is a part of the outer peripheral wall.
[0008]
The third invention is an invention specified by the following items (31) to (33).
(31) In the curtain wall building according to the second invention, an LED panel module for constituting a large-screen LED display device incorporated as a part of the outer peripheral wall.
(32) The panel material has a tile pasting panel fixed to the support mechanism, and a large number of LED tiles are connected and fixed to the outer surface side of the tile pasting panel without gaps, and the back side of these LED tiles The LED panel module is configured by providing electrical wiring.
(33) The LED tiles are rectangular tile-shaped parts that are rigid and waterproof, and a large number of LED lamps are arranged in a matrix on the front surface, and drive control circuits for these LED lamps are built in.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
=== LED tile ===
The main parts constituting the LED tile are a printed wiring board 1 shown in FIG. 1 on which various circuit parts are mounted, a case base 2 shown in FIG. 2 as a base of a panel type case, and a back cover 3 shown in FIG. These are the inner frame 4 shown in FIG. 4, the front cover 5 shown in FIG. 5, and the sub-cover 6 shown in FIG. LED tiles constructed by combining these are shown in FIGS.
[0010]
<< Printed wiring board 1 and mounted parts >>
The printed wiring board 1 is a square having a side of 225 mm, and 64 pixel lamps are arranged in an 8 × 8 matrix at a pitch of 30 mm on the front surface thereof. One pixel lamp is an aggregate of two red LED lamps 7r, one green LED lamp 7g, and one blue LED lamp 7b. These four lamps are arranged as close as possible in a 2 × 2 matrix, and the vertical dimension of the occupied space of the four aggregates (denoted as pixel lamps 7) falls within approximately 10 mm, and the horizontal dimension is approximately Fits within 12mm. Therefore, there is a large gap of approximately 20 mm in the vertical direction between the adjacent pixel lamps 7 and the pixel lamp 7, and a large gap of approximately 18 mm in the horizontal direction.
[0011]
A plurality of circuit elements are surface-mounted at large intervals between the pixel lamps 7 on the front surface of the printed wiring board 1, and a circuit system for driving the display of the pixel lamps 7 and a power supply circuit system including a DC / DC converter are provided. It is configured. Twelve QFP type integrated circuits 8 distributed on the wiring board 1 are the main elements of the display drive circuit system. Four DC / DC converters are mounted near both the left and right sides of the wiring board 1. One DC / DC converter includes one switching control SOP type integrated circuit 9, three inductors 10, one main switching transistor 11, one main capacitor 12, and the like. . In addition, a circuit system for transferring data to and from other LED tiles when configuring a large screen display, a crystal oscillation circuit, and the like are mounted.
[0012]
An input signal cable 13, an output signal cable 14, and a power cable 15 are connected to the lower side of the printed wiring board 1. Waterproof connectors 13a, 14a and 15a are integrated at the ends of these cables. When a large screen display is configured by a large number of LED tiles, a data transfer path that crosses each LED tile can be obtained by connecting the input signal cable 13 of a certain LED tile and the output signal cable 14 of an adjacent LED tile. A display data signal and a control signal which are formed and sent out from the display control device are distributed to each LED tile. The connector 15a of the power cable 15 is connected to a predetermined DC power source.
[0013]
On the lower side of the printed wiring board 1, a notch 16 for passing the three cables 13, 14, 15 is formed. Further, a waterproof piece 17 for fixing the cable is attached to the base portion (portion located on the lower side of the wiring board 1) of each cable 13, 14, and 15 so as to surround the cable.
The printed wiring board 1 is formed with one large hole 38 near each of the four corners, and a large number of medium holes 39 and several small holes are formed in a dispersed manner.
[0014]
<< Case Base 2 and Back Cover 3 >>
The case base 2 is a plastic molded product, and as shown in FIG. 2, a rectangular outer frame 18, a skeleton 19 that connects the outer frame 18 vertically and horizontally at the back thereof, and a posture perpendicular to the panel surface The four large-diameter cylindrical bodies 20 for screw insertion formed integrally with the skeleton body 19 and the small-diameter screw fixing boss 21 (long boss) for fixing a tapping screw formed integrally with the skeleton body 19 in the same manner. And a short boss), and a positioning protrusion 22 formed integrally with the skeleton 19.
[0015]
The left side portion of the outer frame 18 has a double structure of the outer wall 23a and the inner wall 23b, and the lower side portion has a double structure of the outer wall 24a and the inner wall 24b. The upper side, the right side, the left side inner wall 23b, and the lower side inner wall 24b of the outer frame 18 form a square substrate housing space having a side of approximately 225 mm. The outer frame 18 has a square shape with sides of approximately 240 mm. The above-described cable / connector accommodating portion is the space portion (inner dimension is approximately 11 mm) between the outer wall 24a and the inner wall 24b on the lower side of the outer frame 18.
[0016]
The back cover 3 is an aluminum plate press-molded product. As shown in FIG. 3, a large number of holes are formed in a square plate slightly smaller than the printed wiring board 1, and unevenness is formed by a diaphragm. Yes. As shown in FIGS. 7 and 8, the back cover 3 is fitted into the outer frame 18 from the front side of the case base 2 and is fixed in contact with the skeleton 19. That is, a large number of holes are formed in the back cover 3 so as not to interfere with the cylindrical body 20, the screwing boss 21, and the positioning projection 22 that protrude from the skeleton body 19.
[0017]
<< Case Base 2 and Printed Wiring Board 1 >>
As shown in FIGS. 7 and 8, the printed wiring board 1 is fitted into the outer frame 18 of the case base 1 so as to overlap the back cover 3 with a slight gap. The printed wiring board 1 is also formed with a hole that does not interfere with the cylindrical body 20 protruding from the skeleton body 19 and the long screwing boss 21. The printed wiring board 1 abuts on a short screwing boss 21 and the wiring board 1 is fixed by screwing a tapping screw into the boss 21 from the front of the wiring board 1.
[0018]
Further, as described above, the waterproof pieces 17 are attached to the vicinity of the roots of the three cables 13, 14, 15 drawn to the lower side of the printed wiring board 1. The three cutout recesses 25 (FIG. 2) formed in the inner wall 24b on the lower side of the frame 18 are fitted. As a result, the positions where the cables 13, 14, and 15 are pulled out are restricted, and the waterproofness of the drawer portion is enhanced.
[0019]
<< Inner frame 4 and front cover 5 >>
The inner frame 4 is a plastic molded product, which is formed of a lattice of thin ribs as shown in FIG. 4 and is mounted so as to overlap the printed wiring board 1 fitted in the outer frame 18 of the case base 2. The grid of the inner frame 4 does not interfere with the pixel lamps 7 and circuit components mounted on the printed wiring board 1, and is formed with holes 26 through which the four cylindrical bodies 20 protruding from the skeleton 19 pass. .
[0020]
The front cover 5 is also a plastic molded product. As shown in FIG. 5, the outer shape of the front cover 5 is a rectangle having a vertical dimension of approximately 228 mm and a lateral dimension of approximately 240 mm, and the right side, the left side outer wall 23a, the upper side, and the lower side inner wall 24b of the outer frame 18 of the case base 2. The size exactly overlaps the top surface. On the front cover 5, 64 rectangular lamp windows 27 for exposing the pixel lamps 7 to the outside are arranged in rows and columns at a pitch of 30 mm. A cylindrical body 20 protruding from the skeleton body 19 is seen through the four large holes 28 formed in the front cover 5. The upper ends of the long screwing bosses 21 projecting from the skeleton body 19 are in contact directly below the four small holes 29 formed in the front cover 5, and a tapping screw is screwed into the front cover 5. Is fixed to the case base 2. On the upper part of each lamp window 27 in the front cover 5, a eaves 30 is formed for the purpose of preventing sunlight or the like from directly irradiating the pixel lamp 7.
[0021]
The space between the back cover 3 and the printed wiring board 1 assembled to the case base 2 is filled with epoxy resin or the like, and an epoxy with a certain thickness is provided on the front side of the printed wiring board 1 to which the internal frame 4 is assembled. Filled with resin. As a result, the inside of the panel type case in which the printed wiring board 1 is accommodated is almost completely waterproofed.
[0022]
<< Details of the mounting part of the waterproof piece 17 >>
The relationship between each of the three cables 13, 14, 15 and each waterproof piece 17 and the relationship between each waterproof piece 17 and each notch recess 25 formed in the lower inner wall 24 b of the outer frame 18 are the same. The cable 13 will be described as a representative based on FIG. 9 and FIG. As shown by a dotted line in FIG. 10, a metal ring 40 is attached to the outer periphery of a predetermined position of the cable 13 and fixed to the cable 13 by caulking, and the waterproof piece 17 is formed by plastic insert molding so as to embed the mounting portion of the ring 40. Is integrated around the cable 13. Accordingly, the joint surface of the cable 13 and the waterproof piece 17 is almost completely airtight, and the cable 13 and the metal ring 40 are caulked and the plastic waterproof piece 17 in which these are embedded has an integral structure. The piece 17 and the cable 13 do not shift (the metal ring 40 functions like an anchor).
[0023]
As shown in FIG. 9, the waterproof piece 17 has a substantially rectangular parallelepiped shape, and slits 41 are vertically formed on both side surfaces from the front side. Each notch recess 25 formed in the lower inner wall 24b of the outer frame 18 has a rectangular shape matching the front dimension of the waterproof piece 17, and fits into the slit 41 of the waterproof piece 17 on both sides of the notch. A vertical rib 42 having a shape to be inserted is formed. The waterproof piece 17 is formed with a screw insertion hole 43 penetrating vertically.
[0024]
As shown in FIG. 10, the opening by the notch recess 25 is filled with the waterproof piece 17 by fitting the waterproof piece 17 to the notch recess 25 of the lower inner wall 24 b of the outer frame body by engaging the slit 41 and the vertical rib 42. In this state, the screw insertion hole 43 of the waterproof piece 17 matches the screw fixing boss 21 formed integrally with the case base 2, and the tapping screw 44 is inserted into the hole 43 and twisted into the screw fixing boss 21. As a result, the waterproof piece 17 is fixed to the case base 2.
[0025]
In FIG. 10, what is expressed by fine dots is a waterproof resin (epoxy, silicon, weather-resistant urethane, etc.) filled with a substantially constant thickness on the front side of the printed wiring board 1. With the above structure, the drawn portions of the cables 13, 14, and 15 are almost completely waterproofed.
[0026]
<< Cable / connector housing and sub cover 6 >>
As described above, the front surface of the cable / connector housing portion at the lower side of the case base 2 is not covered by the front cover 5. Covering this part is an elongate sub-cover 6 sized to fit this part. The sub cover 6 is detachably attached to the case base 2 by a snap fit mechanism. The sub cover 6 is also a plastic molded product, and elastic claws 31 are formed at three locations on the back surface of the sub cover 6 as shown in FIG. Correspondingly, engaging portions 32 are formed at three locations between the lower outer wall 24a and the inner wall 24b of the outer frame 18.
[0027]
=== LED panel module ===
FIG. 11 and FIG. 12 show the structure of the LED panel module 60 configured using the LED tile 50 described in detail so far. In the LED panel module 60 of this embodiment, 30 LED tiles 50 are connected and fixed to the outer surface side of the tile pasting panel 51 in 5 rows and 6 columns without gaps, and the back side of these LED tiles 50 is electrically connected. Wiring is applied.
[0028]
The tile pasting panel 51 is integrally formed on a square metal back plate 52, five channel members 53 horizontally fixed to the outer surface side of the back plate 52 at equal intervals, and a square outer periphery of the back plate 52. It consists of a thin outer edge 54. The thin outer edge 54 is sandwiched and fixed to an aluminum sash 55 fixed to a mullion of a curtain wall building with a structure to be described later, like a window glass.
[0029]
In the LED tile 50, the above-described four tubular bodies 20 penetrate from the front to the back, and the LED tile 50 can be screwed and fixed to other objects through screws. In the channel material 53 of the tile pasting panel 51, four screw holes 56 for fixing the LED tile 50 with four screws are formed. With the screw hole 56 as a position reference, 60 LED tiles 50 are connected in an orderly manner in 5 rows and 6 columns and fixed. As a result, the outer frame bodies 18 of the case base 2 of each LED tile 50 are joined together, the pitch of the pixel lamps 7 in one LED tile 50 is 30 mm, and the arrangement of the pixel lamps 7 between the adjacent LED tiles 50. The pitch is also 30 mm.
[0030]
When the 60 LED tiles are installed on the tile pasting panel 51, the input signal cable connector 13a and the output signal cable connector 14b of the adjacent LED tiles 50 are connected with the sub cover 6 removed, and the power cable connector A power feeding cable connector (not shown) is connected to 15a. Then, after these connectors are stored in the space of the cable / connector storage portion of each LED tile, the sub-cover 6 is put on and attached. Further, the space between the outer wall 23a on the left side of the outer frame 18 and the inner wall 3b can be used as a connection storage space for a power cable, or can be used for a connection mechanism of a power feeding system.
[0031]
Electrical cable insertion openings 57 are provided at three locations on the tile pasting panel 51, and a data signal and control signal transmission cable and a power cable as a display device are routed through the insertion openings 57. The electrical cable insertion port 57 is provided with a structure 58 for preventing rainwater from entering just in case.
[0032]
=== Curtain Wall Construction ===
As is well known, in the curtain wall construction method, mullions are joined at appropriate intervals to the slabs and beams of the structural frame of the building, and the panel material is fixed between the mullions via sashes and eyes. Make up the wall. Various materials such as glass panels, metal panels and PC panels are used as curtain wall panel materials. In this invention, LED panel module 60 demonstrated so far is fixed to the support mechanism which consists of a mullion, a sash, an invisible, etc. as a panel material which comprises some outer peripheral walls of a building.
[0033]
FIGS. 13 and 14 show a structure for fixing the LED panel module 60 to the support mechanism. In FIG. 13, reference numeral 61 denotes an aluminum sash cross member fixed to the mullion. In FIG. 14, what is indicated by reference numeral 62 is an aluminum sash vertical member fixed to the mullion. As shown in both figures, a thin outer edge 54 of a rectangular LED panel module 60 is fixed to a horizontal member 61 and a vertical member 62 of an aluminum sash 55 via a waterproof packing 63. This fixing structure is not different from the glass panel fixing structure indicated by reference numeral 64.
[0034]
=== Large screen LED display device ===
FIG. 15 shows an example of the appearance of a curtain wall building using the LED panel module 60 described in detail so far and incorporating a large-screen LED display device on the outer peripheral wall. In this embodiment, eight LED panel modules 60 are connected in the vertical direction and two rows in the horizontal direction on the outer peripheral wall of the front of the building, and a large screen LED display is made by a total of 16 LED panel modules 60. Configure the device. In the front outer peripheral wall of the building, the outer peripheral wall around the 16 LED panel modules 60 is mainly composed of a glass panel 64. The screen height of the large screen LED display device in this example ranges from the vicinity of the third floor of the building to the vicinity of the seventh floor.
[0035]
【The invention's effect】
According to the present invention, the curtain wall construction method, which is a mature construction technique, remains as it is, and without using any special construction technique, the LED panel module in which LED tiles are arranged in a matrix and integrated is used for the curtain wall panel material. A large-screen LED display device can be incorporated into the outer peripheral wall of a building very easily by simply fixing it to a support mechanism such as a marion, sash or invisible. The present invention can be implemented not only when newly constructing a curtain wall building, but also for replacing a glass panel with an LED panel module in an existing curtain wall building. Moreover, in addition to the simple construction process when carrying out the present invention, maintenance work for a large-screen LED display device that has been constructed and operated can be performed very easily from the inside of the building.
[Brief description of the drawings]
FIG. 1 is a configuration diagram of a printed wiring board in an LED tile according to an embodiment of the present invention.
FIG. 2 is a configuration diagram of a case base in an LED tile according to an embodiment of the present invention.
FIG. 3 is a configuration diagram of a back cover in the LED tile according to the embodiment of the present invention.
FIG. 4 is a configuration diagram of an internal frame body in an LED tile according to an embodiment of the present invention.
FIG. 5 is a configuration diagram of a front cover in an LED tile according to an embodiment of the present invention.
FIG. 6 is a configuration diagram of a sub-cover in an LED tile according to an embodiment of the present invention.
FIG. 7 is a front view of an LED tile according to an embodiment of the present invention.
FIG. 8 is a cross-sectional view of the LED tile.
FIG. 9 is an exploded perspective view showing details of a mounting portion of the waterproof piece in the LED tile.
FIG. 10 is a plan view showing details of the waterproof piece mounting portion.
FIG. 11 is an exploded perspective view of an LED panel module according to an embodiment of the present invention.
FIG. 12 is a front view, a bottom view, and a side view of the LED panel module in an exploded state.
FIG. 13 is a view showing a coupling structure between the LED panel module and the aluminum sash cross member.
FIG. 14 is a view showing a coupling structure between the LED panel module and the aluminum sash vertical member.
FIG. 15 is an external view of a curtain wall building incorporating a large-screen LED display device according to an embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Printed wiring board 2 Case base body 3 Back cover 4 Internal frame 5 Front cover 6 Sub cover 7 Pixel lamp 7r Red LED lamp 7g Green LED lamp 7b Blue LED lamp 8 QFP type integrated circuit 9 SOP type integrated circuit 10 Inductor 11 Main switching Transistor 12 Capacitor 13 Input signal cable 14 Output signal cable 15 Power cable 13a / 14a / 15a Waterproof connector 16 Notch 17 Waterproof piece 18 Outer frame 19 Skeletal body 20 Cylindrical body 21 Screw boss 22 Positioning protrusion 23a Left side Outer wall 23b Inner wall 24 on the left side 24a Outer wall 24b on the lower side 27 Inner wall on the lower side 27 Lamp window 30 Hatch 31 Elastic claw 32 Engagement part 50 LED tile 51 Tile-attached panel 52 Back plate 53 Channel material 54 Thin outer edge 55 Screw hole 56 Aluminum Sash 57 Electrical cable entry 58 Structure to prevent rainwater from entering 60 LED panel module 61 Aluminum sash cross member 62 Aluminum sash vertical member 63 Waterproof packing 64 Glass panel

Claims (3)

A method of incorporating a large-screen LED display device into the outer peripheral wall of a curtain wall building, comprising first to third steps,
In the first step,
Rigid and waterproof rectangular tile-shaped parts, a plurality of LED lamps are arranged in a matrix on the front surface, and LED tiles with built-in LED lamp drive control circuits are provided,
Provide a tiled panel with a square back plate and a thin outer edge integrally formed on the outer periphery of the square of the back plate,
A plurality of LED tiles are connected and fixed to the outer surface side of the back plate of the tiled panel without gaps , and an LED panel module is configured by applying electrical wiring on the back side of these LED tiles ,
In the second step,
A support mechanism for fixing the panel material of the outer peripheral wall to the slab and beam of the structural frame in the curtain wall building is provided.
In the third step,
A method in which a plurality of LED panel modules are continuously arranged vertically and horizontally as a panel material constituting an outer peripheral wall, and the thin outer edge of the tiled panel is fixed to the support mechanism. A curtain wall building incorporating a large screen LED display device on the outer peripheral wall,
The outer peripheral wall includes a plurality of LED panel modules arranged continuously in the vertical and horizontal directions,
The LED panel module includes a tiled panel and a plurality of LED tiles,
The tile affixed panel has a square back plate and a thin outer edge integrally formed on the outer periphery of the square of the back plate, and a plurality of LED tiles are connected and fixed to the outer surface side of the back plate without gaps , and the back side of each LED tile Electrical wiring is applied at , and the thin outer edge is fixed by the support mechanism fixed to the slab and beam of the structural frame,
The LED tile is a rectangular tile part that is rigid and waterproof, and a plurality of LED lamps are arranged in a matrix on the front surface, and a drive control circuit for the LED lamp is built-in,
Each LED lamp of each LED tile of each LED panel module forms a large dot matrix type screen on the outer peripheral wall surface. An LED panel module that includes a tiled panel and a plurality of LED tiles and serves as a panel material constituting the outer peripheral wall of a curtain wall building,
The tile affixed panel has a square back plate and a thin outer edge integrally formed on the outer periphery of the square of the back plate, and a plurality of LED tiles are connected and fixed on the outer surface side of the back plate without gaps , and the back side of each LED tile In accordance with the panel support mechanism where the electrical wiring is applied, and the thin outer edge is fixed to the slab and beam of the structural frame,
The LED tile is a rectangular tile-shaped part that is rigid and waterproof, and includes a plurality of LED lamps arranged in a matrix on the front surface, and an LED panel drive control circuit built-in. .

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