CN209765942U - LED display screen box body group and LED display screen - Google Patents
LED display screen box body group and LED display screen Download PDFInfo
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- CN209765942U CN209765942U CN201920290150.9U CN201920290150U CN209765942U CN 209765942 U CN209765942 U CN 209765942U CN 201920290150 U CN201920290150 U CN 201920290150U CN 209765942 U CN209765942 U CN 209765942U
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Abstract
The application relates to an LED display screen box body group and an LED display screen, wherein the LED display screen box body group comprises at least two box bodies, the two adjacent box bodies are fixedly connected, each box body is correspondingly provided with a power supply box, each power supply box is provided with a box body, an inner cavity is arranged in each box body, through holes are formed in each box body, and the inner cavities of the power supply boxes are mutually communicated through the through holes; a power supply is arranged in at least one power supply box, and the power supply boxes of the plurality of box bodies are connected to an external power supply cable through a shared same interface; the HUB boards are arranged in the power supply boxes, and the cables penetrate through the through holes to communicate the HUB boards in the two power supply boxes; a control card is arranged in at least one power supply box, and the plurality of box bodies are connected to the data input cable through the same shared interface and connected to the data output cable through the same shared interface. The LED display screen is formed by splicing an LED display screen box body. The box body group is formed by splicing a plurality of box bodies, when the box body group is spliced, the box body group can be used for splicing, the box body group can also be spliced after being split, and flexible splicing can be realized.
Description
Technical Field
The application relates to the field of LED display screens, in particular to an LED display screen box body group and an LED display screen.
background
The LED display screen is usually formed by splicing a plurality of LED unit box bodies. However, in reality, the size of a large display screen is sometimes not an integral multiple of the size of the LED unit box due to the influence of the installation environment of the screen body and different requirements. At this moment, a plurality of boxes with specific sizes need to be customized, so that the cost is increased, and the splicing flexibility of the LED boxes is reduced.
in addition, the concatenation between the traditional LED box is realized through the concatenation hasp, and the box concatenation back realizes two boxes through the cable again and is connected and the network cascades, and the cost of concatenation hasp is higher, is unfavorable for promoting the competitiveness of product in the lease market, and simultaneously, the cost of LED box has also been promoted to current electricity connection and network cascade mode. In sum, the traditional LED display screen is not beneficial to realizing flexible splicing, and meanwhile, the splicing cost is high.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide an LED display screen box group and an LED display screen to be unfavorable for realizing nimble concatenation to traditional LED display screen, the higher problem of cost of concatenation simultaneously.
The first aspect of the application provides an LED display screen box body group, which comprises at least two box bodies, wherein two adjacent box bodies are fixedly connected, each box body is correspondingly provided with a power supply box, each power supply box is provided with a box body, an inner cavity is arranged in each box body, the box bodies are provided with through holes, and the inner cavities of the power supply boxes are mutually communicated through the through holes;
A power supply is arranged in at least one power supply box, and the power supply boxes of the plurality of box bodies are connected to an external power supply cable through a shared same interface;
the power supply boxes are internally provided with HUB boards, and cables penetrate through the through holes to communicate the HUB boards in the two power supply boxes, so that the HUB boards in the power supply boxes of the plurality of box bodies are electrically connected and in signal connection;
A control card is arranged in at least one power supply box, and the plurality of box bodies are connected to the data input cable through the same shared interface and connected to the data output cable through the same shared interface.
In one embodiment, a power supply is arranged in one of the power supply boxes of the boxes, the output end of the power supply is electrically connected to the HUB board in one of the power supply boxes, and the power supply boxes share the same power supply.
In one embodiment, an opening is formed in a box body of at least one power box, a connector is arranged in the opening and comprises a power interface, a data input interface and a data output interface, power supplies of a plurality of boxes are connected to the power interface, and control cards of the plurality of boxes are connected to the data input interface and the data output interface.
In one embodiment, an external power line is led in from a gap between the two power boxes, penetrates through a through hole on the power boxes, and is electrically connected with the power supply of one power box;
The data input line and the data output line are led in from the gap between the two power supply boxes, penetrate through the through holes on the power supply boxes and are electrically connected with the control card of one power supply box.
In one embodiment, the power supply box further comprises a connecting pipe, two ends of the connecting pipe are fixed on the power supply boxes of two different boxes and are arranged corresponding to the through holes, the connecting pipe is of a hollow structure, and inner cavities of the two power supply boxes are communicated through the connecting pipe.
In one embodiment, the box body of the power box of two adjacent box bodies is provided with a through hole, and the through hole penetrates through the side wall of the box body to communicate the inner cavity with the outside;
The fixing piece penetrates through the through hole in the power box to fixedly connect the power boxes of the two adjacent boxes.
in one embodiment, the box body of the power supply box of two adjacent box bodies is provided with a plurality of bosses on the side walls close to each other, and the through holes are arranged on the bosses.
In one embodiment, at least one perforation is offset from the rest of the perforations in the thickness direction of the box body, but not on the same horizontal straight line, so that three adjacent fixing pieces form a triangular structure.
In one embodiment, two adjacent boxes are symmetrically arranged along the seam between the two boxes or are symmetrical about the center of the middle point of the seam.
Above-mentioned LED display screen box group through forming box group by a plurality of box are fixed, when the concatenation, both can use box group to splice, when needs, also can carry out the split with box group, is used for the concatenation with the box after the split, is favorable to nimble concatenation. Meanwhile, the plurality of boxes are connected with an external power supply cable and a data input/output cable through the same interface, so that the use of interface type connectors is reduced, and the cost of the boxes is reduced.
The second aspect of the application provides an LED display screen, and the LED display screen can include LED box group and concatenation subassembly, and LED box group sets up a plurality ofly, and it is fixed to splice each other through the concatenation subassembly between two adjacent LED box groups, and LED box group is above-mentioned arbitrary LED display screen box group.
above-mentioned LED display screen through forming box group by a plurality of box are fixed, when the concatenation, both can use box group to splice, when needs, also can carry out the split with box group, is used for the concatenation with the box after the split, is favorable to nimble concatenation. Meanwhile, the plurality of boxes are connected with an external power supply cable and a data input/output cable through the same interface, so that the use of interface type connectors is reduced, and the cost of the boxes is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an LED display screen box assembly according to an embodiment of the present application;
Fig. 2 is an exploded schematic view of a box assembly of an LED display screen according to an embodiment of the present application;
Fig. 3 is a schematic structural diagram of a first box of an LED display screen box set according to an embodiment of the present application;
Fig. 4 is a schematic diagram of a power supply wiring structure of an LED display screen box assembly according to an embodiment of the present application;
Fig. 5 is a schematic diagram of a power supply wiring structure of an LED display panel box assembly according to another embodiment of the present application;
Fig. 6 is a schematic diagram of an internal circuit structure of an LED display screen box assembly according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a connecting pipe of an LED display screen box assembly according to an embodiment of the present application.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The LED display screen box body group comprises at least two box bodies, wherein the two adjacent box bodies are fixedly connected, each box body is correspondingly provided with a power supply box, and the box body of each power supply box can be provided with a through hole. For example, after the HUB boards in a plurality of power supply boxes are electrically connected with each other, one of the HUB boards is connected to a power supply, so that the plurality of power supply boxes can share one switching power supply; and, connect the HUB board electricity in the power pack back to a control card is shared to a plurality of boxes, can reduce the use amount of control card, reduce cost, and the area that reduces the control card carries overflows. In addition, the cables penetrate through the through holes to directly electrically connect the electronic components in the two adjacent power boxes, the complexity of cable connection between the two boxes can be simplified, the use of cable connectors is reduced, and the cables are prevented from being exposed and aged. The connecting pipe can be further configured, the two ends of the connecting pipe are fixed on the power supply boxes of the two different boxes and are arranged corresponding to the through holes, therefore, the through holes can be sealed through the connecting pipe, the cable connected with the two power supply boxes penetrates through the connecting pipe, the waterproof performance is enhanced, the cable is further sealed, and aging caused by exposure is avoided. The LED display screen box group comprises a plurality of boxes, when the boxes are spliced, the box group can be used for splicing, when the boxes are required, the boxes can be split, and the split first box 10 and the split second box 20 are used for splicing, so that flexible splicing is facilitated.
The LED display screen box set of the embodiments of the present application is specifically described below with reference to the accompanying drawings by taking an example where the LED display screen box set includes two boxes.
Referring to fig. 1 and fig. 2, which schematically illustrate a structure of an LED display panel case assembly 100 according to an embodiment of the present disclosure, the LED display panel case assembly 100 may include a first case 10, a second case 20 and a connecting pipe 30, the first case 10 is fixedly connected to the second case 20, the first case 10 includes a first frame 110 and a first power box 120, the second case 20 includes a second frame 210 and a second power box 220, the first power box 120 and the second power box 220 both have a case 121, an inner cavity 120a is disposed in the case 121, the case 121 of the first power box 120 and the case 121 of the second power box 220 are provided with a through hole 121a, one end of the connecting pipe 30 is fixedly connected to the case 121 of the first power box 120 and is disposed corresponding to the through hole 121a on the case 121 of the first power box 120, the other end of the connecting pipe is fixedly connected to the case 121 of the second power box 220 and is disposed corresponding to the through hole 121a on the case 121 of the second power box 220, the connection pipe 30 has a hollow structure such that the inner cavity 120a of the first power box 120 and the inner cavity 120a of the second power box 220 are communicated through the connection pipe 30, and a cable may be disposed in the connection pipe 30 such that the first casing 10 and the second casing 20 are electrically and/or data-connected through the cable in the connection pipe 30.
The first power pack 120 may be disposed at a side of the first frame 110 adjacent to the second casing 20, the second power pack 220 may be disposed at a side of the second frame 210 adjacent to the first casing 10, the through-holes 121a may be disposed at sidewalls of the case body 121 of the first power pack 120 and the case body 121 of the second power pack 220 adjacent to each other, and the two through-holes 121a may be communicated through the connection pipe 30, thus, the inner cavity 120a of the first power supply box 120 and the inner cavity 120a of the second power supply box 220 can communicate through the connection pipe 30, and thus, when the first casing 10 and the second casing 20 are electrically connected or signal-cascaded, the power transmission line and the signal/data transmission line may directly pass through the through-hole 121a and the pipe in the connection pipe 30, electrical connection and signal connection are established between the two cases, so that the first case 10 and the second case 20 can jointly display pictures. It is to be understood that when a plurality of cases are provided, the power supply boxes of adjacent two cases may be disposed on the sides of the two cases close to each other. Through holes 121a may be provided at different sides of the power supply box, and the cables pass through the through holes 121a to realize electrical connection of the power supply boxes of different cases. The connecting pipe 30 can be specifically set according to waterproof requirements, and when the connecting pipe is arranged, the cable for connecting the two power boxes is completely hidden in the box assembly, so that line aging can be avoided, and the waterproof performance is improved.
The first casing 10 and the second casing 20 may be constructed in a symmetrical relationship, for example, symmetrical along a seam between the first casing 10 and the second casing 20, or the first casing 10 and the second casing 20 may be centrally symmetrical about a midpoint of the seam. Therefore, when the LED box body groups are spliced, the LED box body groups 100 can be used for splicing, on the premise that the requirement for specific splicing size is met, the LED box body groups 100 can be split into the first box body 10 and the second box body 20, the first box body 10 or the second box body 20 is spliced with the LED box body groups 100, and splicing of display screens of various specifications is facilitated. It can be understood that when a plurality of boxes are included, any two adjacent boxes can meet the symmetrical structure to realize flexible splicing.
Taking the first box 10 as an example, please continue to refer to fig. 3, the first box 10 has a first frame 110, a first power box 120, and further includes an LED display module 130, the LED display module 130 and the first power box 120 are disposed on two opposite sides of the first frame 110 and fixed on the first frame 110, the first power box 120 is disposed along an edge of the first frame 110, and a through hole 121a on a box body 121 of the first power box 120 may be disposed on a sidewall of the box body 121 close to the second box 20.
The first frame 110 may include a mounting portion 111 and a supporting portion 113, the supporting portion 113 is fixedly connected to the mounting portion 111, and the LED display module 130 is disposed on the mounting portion 111. For example, the mounting portion 111 may include a display surface 111a and a back surface 111b opposite to each other, the LED display module 130 is fixed on the display surface 111a, and the supporting portion 113 is disposed on the back surface 111b side of the mounting portion 111 and fixedly connected to the mounting portion 111. Exemplarily, a plurality of magnetic suction pieces can be arranged on the display surface 111a of the mounting portion 111, the magnetic suction device is correspondingly arranged on the LED display module 130, and the LED display module 130 is fixed on the display surface 111a through the magnetic suction pieces and the magnetic suction device, so that the LED display module 130 can be taken down from the front surface of the first frame 110, and the front maintenance is realized.
The installation portion 111 can include frame 1112 and horizontal pole 1114, is provided with a cavity in the frame 1112, and horizontal pole 1114 is provided with a plurality ofly, and a plurality of horizontal poles 1114 are parallel or crisscross the setting in the cavity, surround and form a plurality of installation positions, and every installation position corresponds an LED display module assembly 130 or a plurality of installation positions correspond an LED display module assembly 130, and LED display module assembly 130 is fixed in on horizontal pole 1114 or frame 1112, realizes seamless concatenation each other. It is understood that the rail 1114 may not be provided when there is only one LED display module 130.
The edge of the supporting portion 113 and the edge of the mounting portion 111 may have a preset distance to avoid mutual abutting between the supporting portions 113 to affect assembling when the different LED display screen box groups 100 are assembled. For example, the supporting portion 113 may be disposed corresponding to the cavity and fixedly connected to the outer frame 1112. In a specific embodiment, the supporting portion 113 may include a ring-shaped support 1131 and a connecting member 1133, one end of the connecting member 1133 is fixedly connected to the ring-shaped support 1131, and the other end is fixedly connected to the outer frame 1112. The ring support 1131 corresponds the cavity setting, and the area can be less than the cavity to can reduce the interference effect of ring support 1131 when the LED display screen box is assembled. Connectors 1133 may be provided in an L-like shape to reduce interference of connectors 1133 during make-up. Connecting pieces 1133 can have different placing postures, and different connecting pieces 1133 can be mutually fixed to enhance the reinforcing effect of the connecting pieces 1133. For example, when the connecting members 1133 are L-shaped, one side of the connecting members 1133 can be parallel to each other, and the other side can be away from each other, and then the parallel sides of the two connecting members 1133 are connected together, so that the two connecting members 1133 can be combined to play a stronger connecting and supporting role than the two connecting members 1133 alone.
When the connector 1133 is L-shaped, the LED display module 130 can be fixed by the connector 1133. For example, the cross bar 1114 can be fixedly connected to the connecting member 1133, and a magnetic member is disposed on the cross bar 1114 and the side of the connecting member 1133 close to the display surface 111a to magnetically attract and fix the LED display module 130.
Referring to fig. 2 and 3, the first power box 120 and the second power box 220 may each include a box body 121 and a box cover 122, the box cover 122 is movably connected to the box body 121, the inner cavity 120a is sealed from one side of the box body 121, and the box cover 122 can be opened relative to the box body 121 to disassemble and maintain the electronic component in the inner cavity 120a, for example, the box cover 122 may be rotatably connected to the box body 121 or fixed to the box body 121 by screws.
The box 121 is fixedly connected to the first frame 110 to fix the first power box 120 and the second power box 220. For example, the case 121 may be fixedly coupled to at least one of the mounting portion 111 and the supporting portion 113. In a specific embodiment, the case body 121 of the first power supply case 120 may be integrally formed with the first frame 110, and the case body 121 of the second power supply case 220 may be integrally formed with the second frame 210. For example, in the illustrated embodiment, the side wall of the box body 121 of the first power supply box 120 close to the second frame 210 is integrally connected to the outer frame 1112 of the first frame 110, and the remaining side walls are integrally connected to the connectors 1133, the cross bars 1114 and the ring supports 1131, that is, the box body 121 of the first power supply box 120 can be regarded as a part of the first frame 110, on one hand, the first frame 110 can be reinforced, and on the other hand, the outer frame 1112, the cross bars 1114, the ring supports 1131 and the connectors 1133 can also be regarded as a part of the box body 121, so that the heat dissipation area of the first power supply box 120 is enlarged, and the heat dissipation efficiency is improved.
Referring to fig. 3, the through hole 120b may be disposed on the side walls of the first power box 120 and the second power box 220 that are close to each other, the through hole 120b penetrates through the side walls of the box body 121 to communicate the inner cavity 120a with the outside, the LED display panel box assembly 100 may further include a fixing member 40, and the fixing member 40 penetrates through the through holes 120b of the first power box 120 and the second power box 220 to fixedly connect the first power box 120 and the second power box 220. The fixing member 40 may be a screw, or a combination of a bolt and a nut. The first power box 120 and the second power box 220 are fixed by the fixing member 40, and when the power boxes and the frame are integrally formed, the power boxes are fixed to each other, that is, the first box 10 and the second box 20 are fixed, without additionally arranging a splicing structure. The mode that realizes the box through mounting 40 is fixed also the cost is reduced compared with the mode that uses the concatenation hasp to fix.
In one or more embodiments, the case body 121 of the first and second power supply cases 120 and 220 may be provided with a plurality of bosses 123 on sidewalls adjacent to each other, and the through holes 120b may be provided on the bosses 123. Through setting up perforation 120b on boss 123, thickened the lateral wall of power pack in the corresponding position of perforation 120b, avoid the deformation of power pack.
When the first power box 120 is disposed at the edge of the first frame 110, the fixing members 40 can be used to fix different frames, and the through holes 121a on the box body 121 are matched to communicate the inner cavities 120a in the power boxes of different boxes through the connecting pipes 30, so that two different boxes can be led in through the same external power line and signal line, and then the internal cables pass through the connecting pipes 30 to realize the electrical connection and signal connection of electronic components in the two power boxes. By the mode, the two boxes form a box group for splicing, the use cost of the splicing assembly between the two boxes can be saved, in addition, the number of cables and cable connectors used by the power box can be saved, and the cost can be greatly reduced in the arrangement of the cables. Meanwhile, the connecting cable between the two boxes is internally wired, so that the waterproof performance is improved.
In one or more embodiments, at least one of the perforations is disposed to be offset from the remaining perforations in the thickness direction of the first casing 10, not in the same horizontal line. For example, two adjacent through holes 120b may be disposed in a staggered manner, so that, when the fixing members 40 are used for fixing, three adjacent fixing members 40 may form a triangular structure, thereby enhancing the strength of connection, avoiding the generation of forward and backward shaking, and facilitating the adjustment of flatness during splicing. It is understood that a waterproof ring may be disposed between the fixing member 40 and the periphery of the perforation 120b to achieve waterproofing at the perforation 120 b.
in one or more embodiments, one side of the box body 121 close to the mounting portion 111 can be hollowed out, and the LED display module 130 directly seals the side of the box body 121 close to the mounting portion 111, so that the power supply box can realize easy maintenance.
Referring to fig. 2, at least one of the first power box 120 and the second power box 220 has an opening on a side surface away from each other, and a connector may be disposed in the opening, for example, a power interface 124, a data input interface 125, and a data output interface 126 may be disposed in the opening to implement functions of power input, data output, and the like. For example, in the illustrated embodiment, the power interface 124, the data input interface 125 and the data output interface 126 are disposed on the first power box 120, and the second power box 220 is indirectly connected to the power interface 124, the data input interface 125 and the data output interface 126 through cables in the connecting tube 30. Of course, the second power box 220 may be provided with an opening, or both the first power box 120 and the second power box 220 may be provided with openings. The first power box 120 and the second power box 220 can be connected to an external power line or a data input line or a data output line through the same connector, so that the first power box 120 and the second power box 220 share the same interface to realize power input or data output, the number of used connectors can be reduced, and cost reduction is realized.
It can be understood that when a plurality of cases are provided, the inner cavities 120a of the power supply boxes of the plurality of cases are communicated with each other through the through hole 121a, an opening may be provided only on the power supply box of one case, or openings may be provided on the power supply boxes of the plurality of cases, and the types of connectors in the openings may be the same or different. The connectors shared by the multiple cabinets may be any connectors that can be implemented, for example, the cabinets share the same interface, such as the same power interface 124 in the same row, the data input interface 125 and the data output interface 126 in the same column.
In some embodiments, the power source may be disposed in the box body 121 of each of the first power box 120 and the second power box 220, and the power sources in the first power box 120 and the second power box 220 may be electrically connected to each other through a cable, so that the power sources in the first power box 120 and the second power box 220 may share the power source control signal. The power supply can comprise a main power supply and a backup power supply so as to reduce the problems of circuit failure and stop working caused by power failure.
Referring to fig. 4, in some embodiments, the first power box 120 is provided with a power interface 124, a cable for connecting power supplies in the first power box 120 and the second power box 220 can be electrically connected to the power interface 124, and an external power signal is transmitted to the power supplies in the first power box 120 and the second power box 220 through the cable via the power interface 124. At this moment, the LED display screen box body group can have higher waterproof performance.
referring to fig. 5, in other embodiments, if the waterproof requirement of the LED display panel box assembly can be reduced, for example, when the LED display panel box assembly is used indoors, the power interface 124 and the connecting pipe 30 may not be provided, and the external power line may be directly LED in from the gap between the first power box 120 and the second power box 220, pass through the through hole 121a on the first power box 120 or the second power box 220, and be electrically connected to the power source of the first power box 120 or the power source of the second power box 220. At this time, the external electrical signal is directly introduced into one of the first power box 120 and the second power box 220 from the external power line, and then introduced into the other through the cable connecting the power supplies in the first power box 120 and the second power box 220. In such a cable introduction manner, a special connector is not used as the power interface 124, so that the material cost can be further reduced, and meanwhile, the hiding of the cable can also be realized.
It can be understood that, when the LED display screen box assembly 100 is provided with a plurality of boxes, the power boxes of the plurality of boxes may also be electrically connected by the flat cable, so that the power boxes of the plurality of boxes share the power control signal through the same interface, and the interface may be similar to the power interface 124 and adopt a special connector as the interface, or may be an interface directly disposed in the power box, and is directly introduced into the power box by an external power line.
The first power box 120 and the second power box 220 may further have HUB boards disposed therein, and the HUB board in the first power box 120 is connected to the HUB board in the second power box 220 via cables, for example, the cables pass through the through holes 121a of the first power box 120 and the second power box 220, and both ends of the cables are respectively connected to the HUB boards in the two power boxes, so as to connect the HUB boards in the first power box 120 and the second power box 220.
Referring to fig. 6, in one or more embodiments, a control card 50 is disposed in one of the first power box 120 and the second power box 220, and the control card 50 is electrically connected to the HUB board in one of the power boxes and electrically connected to the HUB board in the other power box through the HUB board in the one power box, so that the first casing 10 and the second casing 20 can share the control card 50. For example, a first HUB board 610 may be disposed in the first power box 120, a second HUB board 620 may be disposed in the second power box 220, interface components are disposed on the first HUB board 610 and the second HUB board 620, and the interface components of the first HUB board 610 and the second HUB board 620 are connected by a row of wires, the control card 50 is disposed in the first power box 120 and is electrically connected to the first HUB board 610, thereby controlling the first HUB board 610 and the second HUB board 620 simultaneously by the control card 50, and the lamp panel of the first box 10 is loaded by the first HUB board 610, and the lamp panel of the second box 20 is loaded by the second HUB board 620.
A plurality of HUB boards can be arranged in the first power box 120 and the second power box 220, so that a plurality of lamp panels can be carried with the belt, and the plurality of HUB boards can be electrically connected with each other. For example, in the illustrated embodiment, the first HUB board 610 and the third HUB board 630 are disposed in the first power pack 120, the second HUB board 620 and the fourth HUB board 640 are disposed in the second power pack 220, and the first HUB board 610, the second HUB board 620, the third HUB board 630 and the fourth HUB board 640 are electrically connected to each other, so that the control card 50 can simultaneously control the four HUB boards.
When two power packs of first box 10 and second box 20 are close to and are set up, can make first power pack 120 and second power pack 220 can communicate each other through connecting pipe 30, switch on the back with the HUB board in two power packs, can use a control card 50 simultaneous control to carry first box 10 and second box 20 simultaneously, make full use of control card 50's the area ability of carrying, reduced control card 50's area and carried and spill over. Of course, when the two power boxes of the first and second cases 10 and 20 are disposed in the middle, not in the vicinity, the HUB boards in the two power boxes may be conducted through the cables, thereby implementing the common control card 50. By sharing the control card 50, the use of the control card 50 is reduced, which is beneficial to reducing the hardware cost.
It will be appreciated that input of data signals may be accessed to control card 50 via data input interface 125, similar to the access of power signals. On the premise of reducing the waterproof requirement, the connector can also be directly led into the control card 50 from the gap between the two power supply boxes through the external cable, the through hole 121a and the inner cavity 120a, and at this time, a special connector is not required to be arranged as the data input interface 125 and the connecting pipe 30 is not required to be arranged. Similarly, the output of the data signal can also be led out from the control card 50 through the data output interface 126, or be led out from the gap between the first power box 120 and the second power box 220 through an external cable.
When the LED display screen box set 100 is provided with a plurality of boxes, the control card 50 can be arranged in at least one power box, and the HUB boards of the plurality of boxes are mutually cascaded to realize electrical connection and signal connection, so as to realize the sharing of the control card 50.
The plurality of boxes can be connected to the data input cable by sharing the same interface, and can be connected to the data output cable by sharing the same interface. For example, when a plurality of cabinets share one control card 50, the shared control card 50 is connected to a data input cable and a data output cable; or when the control cards are configured, the control cards are connected to the same interface to realize interface sharing.
When the first power box 120 and the second power box 220 are both provided with power supplies, the power supplies in the first power box 120 and the second power box 220 respectively supply power to the HUB cards in the first power box 120 and the second power box 220. For example, the power supply in the first power pack 120 supplies power to the first HUB board 610 and the third HUB board 630, and the power supply in the second power pack 220 supplies power to the second HUB board 620 and the fourth HUB board 640. It will be appreciated that when the power source supplies power to the HUB board, the electrical interconnection of the power sources in the first power box 120 and the second power box 220 is achieved due to the interconnection of the HUB boards in the two power boxes.
In one or more embodiments, when the HUB card in the first power box 120 and the HUB card in the second power box 220 are electrically connected to each other, a power source may be disposed in only one of the first power box 120 and the second power box 220, an input end of the power source is connected to an external power line, and an output end of the power source is electrically connected to the HUB board in one of the power boxes, and since the HUB board in the first power box 120 and the HUB board in the second power box 220 are connected by a cable, the first power box 120 and the second power box 220 may share the power source. Therefore, the use of the switching power supply can be reduced, and the cost can be further reduced. For example, the main power supply and the backup power supply may be provided only in the first power supply box 120, and the HUB board in the second power supply box 220 may be connected to the HUB board in the first power supply box 120 by a flat cable to supply power, so that the first casing 10 and the second casing 20 may share the control card 20, thereby making full use of the load capacity of the control card 50 and reducing the load overflow, and may also share the power supply to reduce the use of various connectors such as a power interface and a switching power supply, thereby reducing the cost. It is understood that the power source can be connected to the external power line through the power interface 124, or can be directly connected to the power source by the external power line passing through the through hole 121a when the connection tube 30 is not provided.
When the LED display screen box assembly 100 is provided with a plurality of boxes, the power boxes of the plurality of boxes may be electrically connected by a flat cable, so that the power boxes of the plurality of boxes share one switching power supply, and the plurality of boxes share one control card. It can be understood that when the number of the box bodies is large, the sharing of the switching power supply and the control card may be the sharing of the power supply or the control card for some box bodies in the LED display screen box body group 100, and at this time, the LED display screen box body group 100 may include a plurality of control cards and switching power supplies.
Referring to fig. 2 and 7, the connection tube 30 includes a tube 330, one end of the tube 330 is fixedly connected to the first power box 120, the other end is fixedly connected to the second power box 220, a channel 330a is disposed in the tube 330, the channel 330a penetrates through two ends of the tube 330, and the through holes 121a of the first power box 120 and the second power box 220 are communicated through the channel 330 a.
in an embodiment, the connection tube 30 may further include a first connection plate 310 and a second connection plate 320, the first connection plate 310 and the second connection plate 320 are respectively disposed at two ends of the tube 330 and are provided with through holes 30a, the through holes 30a of the first connection plate 310 and the second connection plate 320 are communicated with the passage 330a, the first connection plate 310 is fixedly connected to one of the first power box 120 and the second power box 220, and the second connection plate 320 is fixedly connected to the other of the first power box 120 and the second power box 220.
For example, the first connection board 310 is fixedly connected to the first power box 120 and corresponds to the through hole 121a of the first power box 120, and the second connection board 320 is fixedly connected to the second power box 220 and corresponds to the through hole 121a of the second power box 220. In a specific embodiment, the first connection plate 310 may be disposed in the inner cavity 120a of the first power box 120, and one end of the tube 330 passes through the through hole 121a of the first power box 120 to be fixedly connected to the first connection plate 310, so as to enhance the tightness of the connection between the connection tube 30 and the first power box 120, and facilitate water resistance. Similarly, the second connecting plate 320 may be disposed in the inner cavity 120a of the second power box 220, and the other end of the tube 330 passes through the through hole 121a of the second power box 220 and is fixedly connected to the second connecting plate 320.
In one or more embodiments, the tube 330 is capable of being deformed by stretching or compressing when subjected to a force. For example, the tube 330 may be a bellows. Particularly, a corrugated rubber tube, a metal corrugated tube, or the like may be used in application.
Above-mentioned LED display screen box group 100, through forming box group by a plurality of box are fixed, when the concatenation, both can use box group to splice, when needs, also can carry out the split with box group, is used for the concatenation with the box after the split, is favorable to nimble concatenation. Meanwhile, the plurality of boxes are connected with an external power supply cable and a data input/output cable through the same interface, so that the use of interface type connectors is reduced, and the cost of the boxes is reduced.
An embodiment of the application still provides an LED display screen, and the LED display screen can include LED box group and concatenation subassembly, and LED box group sets up a plurality ofly, and it is fixed to splice each other through the concatenation subassembly between two adjacent LED box groups, LED box group be above-mentioned arbitrary embodiment LED display screen box group 100.
Above-mentioned LED display screen through forming box group by a plurality of box are fixed, when the concatenation, both can use box group to splice, when needs, also can carry out the split with box group, is used for the concatenation with the box after the split, is favorable to nimble concatenation. Meanwhile, the plurality of boxes are connected with an external power supply cable and a data input/output cable through the same interface, so that the use of interface type connectors is reduced, and the cost of the boxes is reduced.
the technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
the above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A box body group of an LED display screen is characterized by comprising at least two box bodies, wherein two adjacent box bodies are fixedly connected, each box body is correspondingly provided with a power supply box, each power supply box is provided with a box body, an inner cavity is formed in each box body, through holes are formed in each box body, and the inner cavities of the plurality of power supply boxes are mutually communicated through the through holes;
A power supply is arranged in at least one power supply box, and the power supply boxes of the plurality of box bodies are connected to an external power supply cable through a shared same interface;
The power supply boxes are internally provided with HUB boards, and cables penetrate through the through holes to communicate the HUB boards in the two power supply boxes, so that the HUB boards in the power supply boxes of the plurality of box bodies are electrically connected and in signal connection;
a control card is arranged in at least one power supply box, and the plurality of box bodies are connected to the data input cable through the same shared interface and connected to the data output cable through the same shared interface.
2. The set of LED display screen boxes according to claim 1, wherein one of the power boxes of the plurality of boxes is provided with a power supply, the output end of the power supply is electrically connected to the HUB board in one of the power boxes, and the plurality of power boxes share the same power supply.
3. The LED display screen box set according to claim 1, wherein at least one power box has an opening in the box body, a connector is disposed in the opening, the connector includes a power interface, a data input interface and a data output interface, the power of the plurality of boxes is connected to the power interface, and the control cards of the plurality of boxes are connected to the data input interface and the data output interface.
4. the LED display screen box assembly of claim 1, wherein an external power line is introduced from a gap between the two power boxes, passes through a through hole on the power boxes, and is electrically connected to a power supply of one of the power boxes;
The data input line and the data output line are led in from the gap between the two power supply boxes, penetrate through the through holes on the power supply boxes and are electrically connected with the control card of one power supply box.
5. The LED display screen box body group according to any one of claims 1 to 3, further comprising a connecting pipe, wherein two ends of the connecting pipe are fixed on the power supply boxes of two different box bodies and are arranged corresponding to the through holes, the connecting pipe is of a hollow structure, and inner cavities of the two power supply boxes are communicated through the connecting pipe.
6. The LED display screen box body group according to claim 1, wherein the box bodies of the power supply boxes of two adjacent box bodies are provided with through holes, and the through holes penetrate through the side walls of the box bodies to communicate the inner cavities with the outside;
The fixing piece penetrates through the through hole in the power box to fixedly connect the power boxes of the two adjacent boxes.
7. The LED display screen box body group according to claim 6, wherein the box bodies of the power supply boxes of two adjacent box bodies are provided with a plurality of bosses on the side walls close to each other, and the through holes are arranged on the bosses.
8. The LED display screen box assembly of claim 6, wherein at least one perforation is offset from the rest of the perforations along the thickness of the box, but not on the same horizontal straight line, so that three adjacent fasteners form a triangular configuration.
9. The LED display screen box body group according to claim 1, wherein two adjacent box bodies are symmetrically arranged along a seam between the two box bodies or are centrally symmetrical about a midpoint of the seam.
10. An LED display screen, LED display screen can include LED box group and concatenation subassembly, and LED box group sets up a plurality ofly, and it is fixed to splice each other through the concatenation subassembly between two adjacent LED box groups, characterized in that, LED box group is LED display screen box group of any claim 1-9.
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| CN201920290150.9U CN209765942U (en) | 2019-03-07 | 2019-03-07 | LED display screen box body group and LED display screen |
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| CN201920290150.9U CN209765942U (en) | 2019-03-07 | 2019-03-07 | LED display screen box body group and LED display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168619A (en) * | 2020-01-20 | 2020-05-19 | 广州视源电子科技股份有限公司 | Screen installation leveling tool and screen installation leveling method |
| CN111341221A (en) * | 2020-03-27 | 2020-06-26 | 深圳集简设计有限公司 | LED display screen box |
-
2019
- 2019-03-07 CN CN201920290150.9U patent/CN209765942U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168619A (en) * | 2020-01-20 | 2020-05-19 | 广州视源电子科技股份有限公司 | Screen installation leveling tool and screen installation leveling method |
| CN111341221A (en) * | 2020-03-27 | 2020-06-26 | 深圳集简设计有限公司 | LED display screen box |
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