CN105405366A - Substrate for LED display grating screen module - Google Patents
Substrate for LED display grating screen module Download PDFInfo
- Publication number
- CN105405366A CN105405366A CN201510919448.8A CN201510919448A CN105405366A CN 105405366 A CN105405366 A CN 105405366A CN 201510919448 A CN201510919448 A CN 201510919448A CN 105405366 A CN105405366 A CN 105405366A
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- CN
- China
- Prior art keywords
- substrate
- led
- screen module
- light trough
- grid screen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Abstract
The invention discloses a substrate for an LED display grating screen module, which is strong in anti-wind-load capacity and is convenient and simple to install. The substrate is formed by integrally injection-molding a hard plastic material; a plurality of light troughs in which LED light bar components are installed are transversely formed in the front surface of the substrate in a mode of being spaced from each other; a ventilation grating of an air vent structure is arranged between every two adjacent light troughs; a plate mounting position for mounting signal and power input/output interface connecting plates is arranged at the center of the substrate; board slots, in which LED drive circuit boards are arranged, are arranged around the plate mounting position; and supporting bodies, which are used for fixing the LED light bar components, the LED drive circuit boards and the input/output interface connecting plates, are respectively arranged inside the light troughs, the board slots and the plate mounting position. Through the structures, the substrate disclosed by the invention, by integrating the plurality of the LED light bar PCBs (printed circuit boards), corresponding ventilation structures as well as power supply and drive parts thereon, is conducive to mass production and is capable of greatly improving production efficiency and reducing production cost; and the substrate, in the case of failures, is convenient to maintain and convenient to change the module.
Description
Technical field
The present invention relates to a kind of LED and show grid screen module, particularly this LED a kind of shows the substrate of support LED lamp bar used and drive circuit board in grid screen module.
Background technology
In field of LED display, LED shows grid screen to be had the characteristics such as ventilation, printing opacity because of it and is suitable for being arranged on multiple occasion, as airport, large-scale square or high-rise building hang the large LED display grid screen installed.
LED of the prior art shows grid screen, usually be separated by some the LED lamp bar module (comprising LED lamp circuit plate) arranged to form, namely LED lamp bar module is arranged on rigid frame according to the resolution granularity of design, the unit being combined into grid type LED display that is tightly connected with control system box again shields, then, then by several unit screen be combined into large-scale LED display grid screen.
The LED of the sheth composition of said structure shows grid screen and has the following disadvantages:
1) because LED lamp bar module is that independent separate is arranged, a LED shows grid screen then needs a lot of LED lamp bar modules to install, and therefore, assembly working amount is large.
2) every root LED lamp bar module all needs to be connected with control enclosure, and multiple LED lamp bar module is connected on the wire connection control box of peripheral hardware altogether, and forming unit is shielded, and therefore, connected node quantity is many.Both Structure of need was tightly connected, and also needed circuit, signal to connect simultaneously, thus, easily caused the installation quality produced because number of nodes is many, workload large to decline.
3) in actual applications, when certain LED lamp bar module breaks down, when dismounting, maintenance, installation, need relate to sealing structure to connect, electronic circuit connection etc., and node multiple faults probability strengthens, cause installation, maintenance workload large, quantity is eventful more inconvenient.
Summary of the invention
The technical problem to be solved in the present invention is to provide strong, the quick for installation easy LED of a kind of ant wind load ability and shows grid screen module substrate used.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
LED of the present invention shows grid screen module substrate used, it is by hard plastic material single injection-molded, its shape is cuboid, be provided with in the lateral separation, front of substrate some extend longitudinally can the light trough inwardly concaved of mounted LED lamp bar assembly, often be provided with between adjacent two light troughs with this light trough side by side and there is the air grid of the ventilation hole structure that substrate front side air-flow can be made to be passed by substrate back, laterally installation signal is provided with in the centre of this substrate, the dress plate position of the elongated through hole of power supply IO interface web joint, around being provided with the internal groove side wall and the board slot that LED drive circuit plate can be installed that are laterally through to outermost light trough on substrate around dress plate position, this board slot is close with the described light trough degree of depth and the shallow slot communicated, at described light trough, fixed L ED lamp bar assembly is respectively equipped with in board slot and dress plate position, the supporter of LED drive circuit plate and IO interface web joint, also be provided with several on the substrate and can be fixed in installation fixing threaded hole on the rigid support of peripheral hardware.
Four peripheries of this substrate be equipped with can be adjacent with corresponding periphery another block substrate carry out the frame face of docking.
The back side of described light trough and board slot is sealing surface, and described supporter is the screw hole column be integrated with this substrate be arranged in light trough and board slot.
In described air grid, be provided with some swash plates along the longitudinal uniform intervals from top to bottom of substrate, every sheet swash plate extends to the back side of substrate from top to bottom from the front of substrate.
In swash plate described in adjacent two panels, the vertical range between the upper limb of declined board and the lower edge of inclined board is not less than 2mm.
Angle between described swash plate and the front of substrate is spent at 20 degree-70.
Be provided with at the back side of substrate and it accurately can be arranged on the desired location on described rigid support and the positioning pin column in the structure that stretches out.
The upper and lower of two peripheries in left and right of this substrate is the section opened by the cutting of described air grid longitudinal midline, and described frame face is arranged at middle part corresponding with described board slot on two sides, left and right.
Described frame face on upper and lower two peripheries of substrate is the plane laterally running through substrate.
The reference column installing fixed visors is equipped with in air grid described in substrate front side and board slot.
Compared with prior art, substrate of the present invention adopts dispensable mould injection mo(u)lding, the light trough arranging many mounted LED lamp bar PCB thereon, the air grid that can improve this substrate ant wind load, the board slot can installing the PCB be integrated and connected for the LED lamp bar pcb board in each light trough and the dress plate position of installing for described LED lamp bar power supply.Said structure makes the present invention be installed on one piece of substrate by some LED lamp bar PCB, corresponding aeration structure and power supply, driver part integration, and it is not only conducive to producing in enormous quantities, and can greatly enhance productivity, and reduces production cost.Simultaneously, all installations on the same substrate LED lamp bar pcb board share an IO interface, decrease to a great extent and be interconnected and the quality problems produced, both installation workload was reduced, turn increase the reliability of product, improve product quality, and, when it breaks down, only monoblock substrate need be taken off convenient for maintaining and change module.
Accompanying drawing explanation
Fig. 1 is substrate front plan view of the present invention.
Fig. 2 is substrate of the present invention back of the body planar view.
Fig. 3 is substrate of the present invention back of the body parallax stereogram.
Fig. 4 is A portion enlarged drawing in Fig. 1.
Fig. 5 is B portion enlarged drawing in Fig. 1.
Fig. 6 is C portion enlarged drawing in Fig. 1.
Fig. 7 is D portion enlarged drawing in Fig. 2.
Fig. 8 is E portion enlarged drawing in Fig. 2.
Fig. 9 is F portion enlarged drawing in Fig. 2.
Figure 10 is G portion enlarged drawing in Fig. 3.
Figure 11 is H portion enlarged drawing in Fig. 3.
Figure 12 is I portion enlarged drawing in Fig. 3.
Reference numeral is as follows:
Substrate 1, frame face 11, section 12, positioning pin column 13, copper nut of the blind end 14, installation fixing threaded hole 15, reference column 16, light trough 2, dress plate position 3, board slot 4, air grid 5, air vent 51, swash plate 52, sealing surface 53, screw hole column 6, horizontal or oblique gusset 7.
Embodiment
As shown in figs. 1-12, the substrate that LED of the present invention shows grid screen module used is by hard plastic material single injection-molded, and its shape is cuboid, and the length × wide × thick of preferred this substrate 1 of the present invention is: 800mm × 200mm × 30mm.The LED be made up of some pieces of such substrates 1 shows grid and shields module, can be spliced into large LED display grid screen.
Every block substrate 1 point of front, the back side and four sides (up and down four peripheries).The front of substrate 1 is provided with light trough 2, air grid 5, dress plate position 3 and board slot 4.
1, substrate 1
Be equipped with the frame face 11 of degree of tilt within the scope of 5 °-10 ° at four peripheries of substrate 1, frame face corresponding on another block substrate 1 that this frame face 1 can be adjacent connects.At the first half at substrate 1 back side and the waist location of Lower Half, be inlaid with the copper nut of the blind end 14 of fixed handle, this handle is convenient to operating personnel and is used when installing or removing this substrate.Outward extending positioning pin column 13 (i.e. this positioning pin column 13 vertical substrate 1 back side and stretch out backward) is also provided with at the back side of substrate 1, when this substrate 1 is arranged on described rigid support, being inserted by positioning pin column 13 is arranged in the pin-and-hole that rigid support sets, both it can have been made accurately to locate, can increase work efficiency again.
This substrate 1 is also provided with several and can be fixed in installation fixing threaded hole 15 on the rigid support of peripheral hardware.
As further improvement, be also furnished with face shield in substrate 1 front, this face shield is fixed on substrate 1 by screw and several reference columns 16 be located on substrate 1 front.
2, light trough 2
Described light trough 2 is laterally arrange at (i.e. the Width of substrate 1) interval along substrate 1, one piece of substrate 1 is provided with some, every root light trough 2 is along substrate 1 longitudinally (i.e. the length direction of substrate 1) extension, the thickness of every root light trough 2 cell wall is not less than 0.5mm, the degree of depth (i.e. the thickness direction of substrate 1) of groove is not less than 15mm, and the width of light trough 2 is not less than 5mm (suitable with LED lamp bar pcb board).The present invention is preferably: light trough 2 quantity on every block substrate 1 is 8, and the degree of depth of groove is 23mm; The width 8mm (above-mentioned size can become with the thickness of the material of substrate, described cell wall) of light trough 2.The width of light trough 2 and the depth and LED lamp bar to be installed suitable.
The back side of each light trough 2 is sealing surface 53 (being conducive to the sealing of the LED lamp bar of after this installing).Be provided with some horizontal or oblique gussets 7 in the bottom of light trough 2, this gusset 7 plays reinforcement, and namely it effectively can improve the intensity of this substrate 1, guarantees the stability of light trough 2.
In light trough 2, be longitudinally interval with many screw hole columns 6 a little more than gusset 7, this screw hole column 6 is one-body molded with described gusset 7, and at screw hole column 6 end face, central authorities arrange threaded hole.
Light trough 2 is used to install the LED lamp bar to be made up of LED light source and pcb board, LED lamp bar is placed in light trough 2, with screw pcb board is fixed on the screw hole column 6 in light trough 2, LED lamp bar can be fixed in light trough 2, now, screw hole column 6 and gusset 7 all play a supporter to this LED lamp bar.
3, air grid 5
Described air grid 5 is between adjacent two light troughs 2, air grid 5 is arranged side by side with light trough 2, the width of every root air grid 5 is not less than 12mm, the present invention selects its width and LED point pixel separation distance to match, and namely ensures that the LED dot spacing (horizontal spacing) in the light trough 2 of air grid both sides is design point spacing.
In air grid 5, longitudinally interval is evenly provided with several air vents 51, each air vent 51 is all surrounded by the grid wall of swash plate 52 setting up and down and air grid 5, every sheet swash plate 52 is the back side extending to substrate 1 from the front of substrate 1 from top to bottom, and all swash plates 52 are parallel to each other.Blank fore-and-aft distance between adjacent two panels swash plate 52 is not less than 15mm (being preferably 23mm).This structure can improve the ant wind load ability of substrate 1 greatly.
One of optimal way: in adjacent two panels swash plate 52, the upper limb of declined board 52 and the lower edge vertical interval of inclined board 52 are not more than 2mm, this structure can avoid the surround lighting at substrate 1 back side through this substrate 1 affect consisting of LED show the illumination effect of grid screen and beholder and see and simultaneously also can reach good ventilation effect by the image effect that this LED shows grid screen and plays.
Optimal way two: the angle between all swash plates 52 and the front of substrate 1 is spent at 20 degree-70.Best angle is 55 degree.
4, plate position 3 is filled
Described dress plate position 3 is arranged on the Centromedian elongated through hole of substrate 1, and this through hole, along substrate 1 horizontally set, is provided with the screw hole column 6 identical with the screw hole column 6 in light trough 2 at its periphery.The effect of this dress plate position 3 is that the signal power source IO interface web joint be connected with LED lamp bar is installed on this, plug is wherein drawn by the back side of substrate 1 by described through hole with for electric connection line, signal wire, can by screw hole column 6 fixed thereon for this interface connecting plate by screw.
5, board slot 4
Described board slot 4 is for being arranged at substrate 1 centre and be one that laterally runs through substrate 1 more shallow groove, the left and right edges of board slot 4 is extended down to the external groove sidevall (namely this board slot 4 punches the internal groove side wall of the outermost light trough 2 in the left and right sides on substrate 1) of the outermost light trough in the left and right sides 2 on substrate 1, as light trough 2, bottom this board slot 4, be also provided with horizontal or oblique gusset 7.The longitudinal length of board slot 4 is not less than 20mm, and concrete size will be determined according to pcb board design and components and parts geometric shape.
The effect of board slot 4 be install the LED be connected with each LED lamp bar pcb board show grid shield in LED drive circuit plate used.Equally, in board slot 4, being also provided with screw hole column 6, by being fastened on the screw on screw hole column 6, this drive circuit board can being fixed on this substrate 1.
Region shared by board slot 4 is looped around the surrounding of dress plate position 3 and described light trough 2 and air grid 5 is longitudinally divided into upper and lower two parts, and board slot 4 and light trough 2 pcb board be beneficial in light trough 2 in LED lamp bar that communicates is connected with the drive circuit board in board slot 4; Board slot 4 and air grid 5 joint are sealing surface 53, are convenient to embedding fluid sealant.
The back side of board slot 4 is the sealing that sealing surface 53 is conducive to the drive circuit board be arranged on wherein.
6, the right peripheries of substrate 1
The shape that two, the left and right periphery of substrate 1 is positioned at the upper and lower in described frame face 11 is section 12 shape opened by the cutting of described air grid 5 longitudinal midline.Namely on corresponding periphery, after cutting, the width of remaining swash plate is the half of complete swash plate 52, and this structure is beneficial to joint when splicing with adjacent substrate 1 and keeps complete consistent.
Claims (10)
1. a LED shows grid screen module substrate used, it is characterized in that: it is by hard plastic material single injection-molded, its shape is cuboid, be provided with in the lateral separation, front of substrate (1) some extend longitudinally can the light trough (2) inwardly concaved of mounted LED lamp bar assembly, often be provided with between adjacent two light troughs (2) with this light trough (2) side by side and there is the air grid (5) of air vent (51) structure that substrate (1) positive air flow can be made to be passed by substrate (1) back side, laterally installation signal is provided with in the centre of this substrate (1), the dress plate position (3) of the elongated through hole of power supply IO interface web joint, around being provided with the internal groove side wall and the board slot (4) that LED drive circuit plate can be installed that are laterally through to the upper outermost light trough (2) of substrate (1) around dress plate position (3), this board slot (4) is close with described light trough (2) degree of depth and the shallow slot communicated, in described light trough (2), fixed L ED lamp bar assembly is respectively equipped with in board slot (4) and dress plate position (3), the supporter of LED drive circuit plate and IO interface web joint, this substrate (1) is also provided with several and can be fixed in installation fixing threaded hole (15) on the rigid support of peripheral hardware.
2. LED according to claim 1 shows grid screen module substrate used, it is characterized in that: four peripheries of this substrate (1) be equipped with can be adjacent with corresponding periphery another block substrate (1) carry out the frame face (11) of docking.
3. LED according to claim 2 shows grid screen module substrate used, it is characterized in that: the back side of described light trough (2) and board slot (4) is sealing surface (53), described supporter is for being arranged at the screw hole column (6) be integrated with this substrate (1) in light trough (2) and board slot (4).
4. LED according to claim 3 shows grid screen module substrate used, it is characterized in that: in described air grid (5), be provided with some swash plates (52) along the longitudinal uniform intervals from top to bottom of substrate (1), every sheet swash plate (52) extends to the back side of substrate (1) from top to bottom from the front of substrate (1).
5. LED according to claim 4 shows grid screen module substrate used, it is characterized in that: in the swash plate (52) described in adjacent two panels, the vertical range between the upper limb of declined board (52) and the lower edge of inclined board (52) is not less than 2mm.
6. LED according to claim 4 shows grid screen module substrate used, it is characterized in that: the angle between the front of described swash plate (52) and substrate (1) is spent at 20 degree-70.
7. the LED according to any one of claim 2-5 shows grid screen module substrate used, it is characterized in that: be provided with at the back side of substrate (1) and it accurately can be arranged on the desired location on described rigid support and the positioning pin column (13) in the structure that stretches out.
8. LED according to claim 6 shows grid screen module substrate used, it is characterized in that: the upper and lower of two peripheries in left and right of this substrate (1) is the section (12) opened by described air grid (5) longitudinal midline cutting, described frame face (11) is arranged at middle part corresponding with described board slot (4) on two sides, left and right.
9. LED according to claim 6 shows grid screen module substrate used, it is characterized in that: the described frame face (11) on upper and lower two peripheries of substrate (1) is the plane laterally running through substrate (1).
10. LED according to claim 7 shows grid screen module substrate used, it is characterized in that: be equipped with the reference column (16) installing fixed visors in the described air grid (5) on substrate (1) front and board slot (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919448.8A CN105405366A (en) | 2015-12-14 | 2015-12-14 | Substrate for LED display grating screen module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919448.8A CN105405366A (en) | 2015-12-14 | 2015-12-14 | Substrate for LED display grating screen module |
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| Publication Number | Publication Date |
|---|---|
| CN105405366A true CN105405366A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510919448.8A Pending CN105405366A (en) | 2015-12-14 | 2015-12-14 | Substrate for LED display grating screen module |
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| CN (1) | CN105405366A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870158A (en) * | 2018-08-15 | 2018-11-23 | 张辉 | A kind of illuminated LED grid screen display lamp bar of two sided |
| CN111028701A (en) * | 2019-11-29 | 2020-04-17 | 深圳集简设计有限公司 | LED display screen |
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| CN105041130A (en) * | 2015-06-30 | 2015-11-11 | 长治市唯美装饰工程有限公司 | Window capable of moving up and down |
| CN205247834U (en) * | 2015-12-14 | 2016-05-18 | 深圳市大族元亨光电股份有限公司 | LED shows used base plate of grid screen module |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3927592B1 (en) * | 2006-09-22 | 2007-06-13 | 株式会社コマデン | LED module and LED display device |
| TW201032198A (en) * | 2009-02-19 | 2010-09-01 | Opto Tech Corp | LED display module with adjustable size |
| CN202142251U (en) * | 2011-06-16 | 2012-02-08 | 深圳市丽晶光电科技股份有限公司 | Grille LED display and module group thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870158A (en) * | 2018-08-15 | 2018-11-23 | 张辉 | A kind of illuminated LED grid screen display lamp bar of two sided |
| CN108870158B (en) * | 2018-08-15 | 2023-11-24 | 张辉 | Double-side-emitting LED grille screen display lamp strip |
| CN111028701A (en) * | 2019-11-29 | 2020-04-17 | 深圳集简设计有限公司 | LED display screen |
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Application publication date: 20160316 |
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