CN109949710B - LED display screen box group and LED display screen - Google Patents
LED display screen box group and LED display screen Download PDFInfo
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- CN109949710B CN109949710B CN201910173550.6A CN201910173550A CN109949710B CN 109949710 B CN109949710 B CN 109949710B CN 201910173550 A CN201910173550 A CN 201910173550A CN 109949710 B CN109949710 B CN 109949710B
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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, the power supply box is provided with a box body, an inner cavity is arranged in the box body, through holes are formed in the box body, and the inner cavities of a plurality of power supply boxes are mutually communicated through the through holes; at least one power supply box is internally provided with a power supply, and the power supply boxes of the plurality of boxes are connected with an external power cable through sharing the same interface; HUB plates are arranged in the power supply boxes, and the cables penetrate through the through holes to communicate the HUB plates in the two power supply boxes; the control card is arranged in at least one power box, and the plurality of boxes are connected with the data input cable through sharing the same interface and the data output cable through sharing the same interface. The LED display screen is formed by splicing LED display screen box body groups. The box group is formed by splicing the plurality of boxes, and when the box group is spliced, the box group can be used for splicing, and the box group can be split for splicing, so that 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 formed by splicing a plurality of LED unit boxes. However, in reality, the size of a large display screen is sometimes not an integer multiple of the size of the LED unit case due to the influence of the screen mounting environment and different demands. At this time, a plurality of boxes with specific sizes need to be customized, so that on one hand, the cost is increased, and on the other hand, the flexibility of splicing the LED boxes is reduced.
In addition, the traditional splicing between the LED boxes is realized through the splicing lock catches, after the boxes are spliced, the two boxes are electrically connected and connected in a network cascading manner through the cable, the splicing lock catches are high in cost, the competitive power of the product in the leasing market is not facilitated to be improved, and meanwhile, the cost of the LED boxes is also increased through the existing electrical connection and network cascading manner. In conclusion, the traditional LED display screen is not beneficial to realizing flexible splicing, and meanwhile, the splicing cost is high.
Disclosure of Invention
Based on the above, it is necessary to provide an LED display screen box group and an LED display screen, which are not beneficial to realizing flexible splicing and have high cost for splicing.
The application provides a box body group of an LED display screen, which comprises at least two box bodies, wherein two adjacent box bodies are fixedly connected, each box body is correspondingly provided with a power box, each power box is provided with a box body, an inner cavity is arranged in each box body, through holes are formed in the box body, and the inner cavities of a plurality of power boxes are mutually communicated through the through holes;
At least one power supply box is internally provided with a power supply, and the power supply boxes of the plurality of boxes are connected with an external power cable through sharing the same interface;
HUB plates are arranged in the power boxes, and cables penetrate through the through holes to communicate the HUB plates in the two power boxes, so that the HUB plates in the power boxes of the multiple boxes are electrically connected and connected with signals;
The control card is arranged in at least one power box, and the plurality of boxes are connected with the data input cable through sharing the same interface and the data output cable through sharing the same interface.
In one embodiment, a power supply is provided in one of the power supply boxes of the plurality of boxes, and an output end of the power supply is electrically connected to the HUB board in one of the power supply boxes, and the plurality of power supply boxes share the same power supply.
In one embodiment, an opening is provided on the box body of at least one power supply box, a connector is provided in the opening, the connector comprises a power interface, a data input interface and a data output interface, the power supply 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.
In one embodiment, an external power line is led in from a gap between two power boxes, passes through a through hole on one power box and is electrically connected with a 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, pass through the through holes on the power supply boxes and are electrically connected with the control card of one of the power supply boxes.
In one embodiment, the portable power box further comprises a connecting pipe, wherein two ends of the connecting pipe are fixed on the power boxes of the two different boxes and correspond to the through holes, the connecting pipe is of a hollow structure, and inner cavities of the two power boxes are communicated through the connecting pipe.
In one embodiment, the box bodies of the power supply boxes of two adjacent box bodies are provided with perforations, and the perforations penetrate through the side wall of the box body to communicate the inner cavity with the outside;
the power supply box further comprises fixing pieces, wherein the fixing pieces penetrate through holes in the power supply boxes, and the power supply boxes of two adjacent boxes are fixedly connected.
In one embodiment, 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.
In one embodiment, at least one perforation is offset from the remaining perforations along the thickness of the case, rather than on the same horizontal line, so that adjacent three fasteners form a triangular configuration.
In one embodiment, two adjacent boxes are symmetrically arranged along the seam between the two boxes or are centrally symmetrical about the midpoint of the seam.
Above-mentioned LED display screen box group through being fixed by a plurality of boxes and form box group, when the concatenation, both can use box group to splice, also can split box group when needs, 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 cable and a data input/output cable through the same interface, so that the use of the interface type connector is reduced, and the cost of the boxes is reduced.
The second aspect of the present application provides an LED display screen, where the LED display screen may include a plurality of LED box groups and a splice assembly, where two adjacent LED box groups are spliced and fixed with each other by the splice assembly, and the LED box group is an LED display screen box group according to any one of the above.
Above-mentioned LED display screen through being fixed by a plurality of boxes and forming the box group, when the concatenation, both can use the box group to splice, also can split the box group when needs, 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 cable and a data input/output cable through the same interface, so that the use of the interface type connector is reduced, and the cost of the boxes is reduced.
Drawings
FIG. 1 is a schematic diagram of a LED display screen case set according to an embodiment of the present application;
FIG. 2 is a schematic diagram of an exploded view of an LED display panel case assembly according to an embodiment of the present application;
FIG. 3 is a schematic view of a first case of an LED display panel case set according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a power wiring structure of an LED display screen case set according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a power wiring structure of an LED display screen case set according to another embodiment of the present application;
FIG. 6 is a schematic diagram illustrating an internal circuit structure of an LED display screen case set according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a connection pipe of an LED display screen box set according to an embodiment of the present application.
Detailed Description
In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the application. 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 "fixed 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 are used herein for illustrative purposes only and are not meant to be the only embodiment.
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 application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein 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 two adjacent box bodies are fixedly connected, each box body is correspondingly provided with a power box, and the box bodies of the power boxes can be provided with through holes, so that cables can penetrate through the through holes to electrically connect electronic components in the two adjacent power boxes, and the purposes of reducing cost and improving consistency of products are achieved. For example, after HUB boards in a plurality of power supply boxes are electrically connected to each other, one HUB board is connected to a power supply, so that the plurality of power supply boxes can share one switching power supply; and the HUB board in the power supply box is electrically connected and then connected to a control card, so that a plurality of boxes share the control card, the use amount of the control card can be reduced, the cost is reduced, and the load overflow of the control card is reduced. In addition, the cable passes through the through-hole and directly connects the electronic components in two adjacent power packs, also can simplify the cable connection complexity between two boxes, reduces the use of cable connector, avoids the cable to expose and ageing. The connecting pipe can be configured, two ends of the connecting pipe are fixed on the power boxes of two different boxes and correspond to the through holes, so that the through holes can be sealed through the connecting pipe, a cable for connecting the two power boxes passes through the connecting pipe, the waterproof performance is enhanced, and meanwhile, the cable is further sealed, so that ageing caused by exposure is avoided. The LED display screen box group comprises a plurality of boxes, when the LED display screen box group is spliced, the box group can be used for splicing, when the LED display screen box group is required, the box group can be split, and the split first box 10 and second box 20 are used for splicing, so that flexible splicing is facilitated.
The LED display screen box group according to the embodiments of the present application will be described in detail below with reference to the accompanying drawings by taking an example in which the LED display screen box group includes two boxes.
Referring to fig. 1 and 2, an exemplary schematic structure diagram of an LED display screen box set 100 according to an embodiment of the present application is shown, where the LED display screen box set 100 may include a first box 10, a second box 20 and a connection pipe 30, the first box 10 is fixedly connected to the second box 20, the first box 10 includes a first frame 110 and a first power box 120, the second box 20 includes a second frame 210 and a second power box 220, the first power box 120 and the second power box 220 each have a box 121, an inner cavity 120a is provided in the box 121, the box 121 of the first power box 120 and the second power box 220 is provided with a through hole 121a, one end of the connection pipe 30 is fixedly connected to the box 121 of the first power box 120, the through hole 121a corresponding to the box 121 of the first power box 120 is provided, the other end is fixedly connected to the box 121 of the second power box 220, the through hole 121a corresponding to the box 121 of the second power box 220 is provided, and the second box 30 is of a hollow structure, so that the inner cavity 120a of the first power box and the second power box 220 can be connected to the first cable 120 and the second cable 30 through the first cable 120 and the second cable 30.
The first power box 120 may be disposed at a side of the first frame 110 near the second case 20, the second power box 220 may be disposed at a side of the second frame 210 near the first case 10, the through holes 121a may be disposed on sidewalls of the cases 121 of the first and second power boxes 120 and 220 near each other, and the two through holes 121a may be communicated through the connection pipe 30, so that the inner cavity 120a of the first power box 120 and the inner cavity 120a of the second power box 220 may be communicated through the connection pipe 30, and thus, when the first and second cases 10 and 20 are electrically connected or signal-cascaded, the power transmission line and the signal/data transmission line may directly pass through the through holes 121a and the pipes in the connection pipe 30, and the electrical connection and the signal connection may be established between the two cases, thereby enabling the first and second cases 10 and 20 to jointly complete the display of the picture. It is understood that when a plurality of cases are provided, the power supply boxes of the adjacent two cases may be disposed on the sides of the two cases that are close to each other. Through holes 121a may be provided at different sides of the power supply box, and cables pass through the through holes 121a to realize electrical connection of the power supply boxes of different boxes. The connecting pipe 30 can be specifically set according to the waterproof requirement, and when the connecting pipe is arranged, the cables for connecting the two power supply boxes are completely hidden inside the box group, so that the circuit aging can be avoided, and the waterproof performance is improved.
The structures of the first and second cases 10 and 20 may be in a symmetrical relationship, for example, symmetrical along a seam between the first and second cases 10 and 20, or the first and second cases 10 and 20 are centrally symmetrical about a midpoint of the seam. Therefore, when the LED box group 100 is spliced, the plurality of LED box groups 100 can be used for splicing, the LED box group 100 can be split into the first box 10 and the second box 20 on the premise that the specific splicing size is required to be met, and the first box 10 or the second box 20 is used for splicing with the LED box group 100, so that the display screen of various specifications can be spliced. It can be appreciated that when a plurality of boxes are included, any two adjacent boxes satisfy the above-described symmetrical structure to achieve flexible splicing.
Taking the first case 10 as an example, please continue to refer to fig. 3, the first case 10 has a first frame 110 and a first power box 120, and may further include an LED display module 130, where the LED display module 130 and the first power box 120 are disposed on opposite sides of the first frame 110 and are both 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 near the second case 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 that are disposed opposite to each other, the led display module 130 is fixed to the display surface 111a, and the supporting portion 113 is disposed on the back surface 111b side of the mounting portion 111 and is fixedly connected to the mounting portion 111. For example, a plurality of magnetic attraction members may be disposed on the display surface 111a of the mounting portion 111, and magnetic attraction members are correspondingly disposed on the LED display module 130, and the LED display module 130 is fixed on the display surface 111a through cooperation of the magnetic attraction members and the magnetic attraction members, so that the LED display module 130 may be removed from the front surface of the first frame 110, thereby realizing front maintenance.
The installation department 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 of, and a plurality of horizontal poles 1114 are parallel or crisscross setting in the cavity, surround and form a plurality of installation positions, and every installation position corresponds an LED display module 130 or a plurality of installation positions corresponds an LED display module 130, and LED display module 130 is fixed in on horizontal pole 1114 or the frame 1112, realizes seamless concatenation each other. It will be appreciated that the crossbar 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, so as to avoid the influence of mutual abutting between the supporting portions 113 when different LED display screen box sets 100 are spliced. For example, the supporting portion 113 may be disposed corresponding to the cavity and fixedly coupled to the outer frame 1112. In a specific embodiment, the supporting portion 113 may include an annular bracket 1131 and a connecting member 1133, where one end of the connecting member 1133 is fixedly connected to the annular bracket 1131, and the other end is fixedly connected to the outer frame 1112. The annular bracket 1131 is arranged corresponding to the cavity, and the area of the annular bracket 1131 can be smaller than that of the cavity, so that the interference effect of the annular bracket 1131 when the LED display screen box body is assembled can be reduced. The connector 1133 may be configured in an L-like shape to reduce interference of the connector 1133 when assembled. The connectors 1133 may have different placement postures, and the different connectors 1133 may be fixed with each other to enhance the reinforcement effect of the connectors 1133. For example, when the connecting members 1133 are L-shaped, one side of the connecting members 1133 may be parallel and the other side may be away from each other, and then the parallel sides of the two connecting members 1133 may be connected together, so that the combination of the two connecting members 1133 may play a stronger role in connection and support than the single two connecting members 1133.
When the connecting member 1133 is L-shaped, the LED display module 130 may also be fixed by the connecting member 1133. For example, the cross bar 1114 may be fixedly connected to the connecting member 1133, and a magnetic attraction member is disposed on the side of the cross bar 1114 and the connecting member 1133 near the display surface 111a, so as to fix the LED display module 130 by magnetic attraction.
Referring to fig. 2 and fig. 3 together, the first power supply box 120 and the second power supply 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, the box cover 122 can be opened relative to the box body 121 to disassemble, assemble and maintain the electronic components in the inner cavity 120a, for example, the box cover 122 may be rotatably connected to the box body 121 or fixed on the box body 121 by screws.
The case 121 is fixedly connected to the first frame 110 to fix the first power supply box 120 and the second power supply 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 121 of the first power supply case 120 may be integrally formed with the first frame 110, and the case 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 case 121 of the first power supply case 120, which is close to the second frame 210, is integrally connected with the outer frame 1112 of the first frame 110, and the remaining side walls are integrally connected with the connecting member 1133, the cross bar 1114, and the ring support 1131, that is, the case 121 of the first power supply case 120 may be regarded as a part of the first frame 110, on the one hand, the case 121 may be reinforced, and on the other hand, the outer frame 1112, the cross bar 1114, the ring support 1131, and the connecting member 1133 may be regarded as a part of the case 121, thereby enlarging the heat dissipation area of the first power supply case 120 and improving the heat dissipation efficiency.
Referring to fig. 3, the through hole 120b may be disposed on a side wall of the case 121 of the first power supply case 120 and the second power supply case 220, the through hole 120b penetrates through the side wall of the case 121 to communicate the inner cavity 120a with the outside, and the LED display panel case set 100 may further include a fixing member 40, where the fixing member 40 penetrates through the through holes 120b of the first power supply case 120 and the second power supply case 220 to fixedly connect the first power supply case 120 and the second power supply case 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 through the fixing piece 40, and when the power boxes and the frame are integrally formed, the power boxes are mutually fixed, so that the fixation of the first box 10 and the second box 20 is realized, and no additional splicing structure is needed. The manner in which the case is secured by securing member 40 also reduces costs as compared to securing by using splice latches.
In one or more embodiments, the case 121 of the first and second power cases 120 and 220 is 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. By disposing the through holes 120b on the boss 123, the side walls of the power supply box are thickened at the corresponding positions of the through holes 120b, avoiding deformation of the power supply box.
When the first power box 120 is disposed at the edge of the first frame 110, the fixing member 40 can be used to fix different frames, and then the through hole 121a on the box 121 is matched with the inner cavity 120a in the power box of different boxes by using the connecting pipe 30, so that two different boxes can be introduced through the same external power line and signal line, and then the electronic components in the two power boxes can be electrically connected and signal connected through the internal cable and the connecting pipe 30. By means of the mode, the two boxes form the box body group to be spliced, so that the use cost of a splicing assembly between the two box bodies can be saved, in addition, the number of cables and cable connectors used by the power supply box can be saved, and the cost can be greatly reduced in the layout of the cables. Meanwhile, the waterproof performance of the connecting cable between the two boxes is improved in an internal wiring mode.
In one or more embodiments, at least one perforation is offset from the remaining perforations along the thickness of the first casing 10, rather than being on the same horizontal line. For example, two adjacent through holes 120b may be arranged in a staggered manner, so that when the fixing member 40 is used for fixing, three adjacent fixing members 40 may form a triangle structure, so as to enhance the strength of connection, avoid front and back shaking, and facilitate adjustment of flatness during splicing. It will be appreciated that a waterproof ring may be provided between the fixing member 40 and the periphery of the perforation 120b to provide waterproofing at the perforation 120 b.
In one or more embodiments, the side of the box 121 near the mounting portion 111 may be hollowed out, and the LED display module 130 directly seals the side of the box 121 near the mounting portion 111, so that the power supply box may easily implement pre-maintenance.
Referring to fig. 2, at least one of the first power box 120 and the second power box 220 is provided with an opening on a side surface far 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, so as to implement functions of power input, data output, and the like. For example, in the illustrated embodiment, the power source 124, the data input 125 and the data output 126 are all disposed on the first power box 120, and the second power box 220 is indirectly connected to the power source 124, the data input 125 and the data output 126 through the cables in the connection pipe 30. Of course, the second power supply box 220 may be provided with an opening, or the first power supply box 120 and the second power supply box 220 may be provided with openings. The first power supply box 120 and the second power supply box 220 can be connected to an external power supply line or a data input line or a data output line through the same connector, so that the first power supply box 120 and the second power supply box 220 share the same interface to realize power supply input or data output, the number of connectors can be reduced, and cost reduction is realized.
It will be appreciated that when a plurality of cases are provided, the inner cavities 120a of the power boxes of the plurality of cases are communicated with each other through the through holes 121a, and the openings may be provided on only one of the power boxes of the plurality of cases, or the openings may be provided on the power boxes of the plurality of cases, and the types of connectors in the openings may be the same or different. The plurality of connectors may be shared by some of the housings, for example, the same row may share the same power interface 124, the same column may share the data input interface 125 and the data output interface 126, and any other connector sharing method may be implemented.
In some embodiments, power sources may be disposed in the case 121 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 cables, so that the power sources in the first power box 120 and the second power box 220 may share a power source control signal. The power supply may include a main power supply and a backup power supply to reduce the problems of circuit failure and shutdown due to power failure.
Referring to fig. 4, in some embodiments, a power interface 124 is disposed on the first power box 120, a cable for connecting power sources 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 sources in the first power box 120 and the second power box 220 through the cable via the power interface 124. At this time, the LED display screen box group can have higher waterproof performance.
Referring to fig. 5, in other embodiments, if the waterproof requirement of the LED display screen box set can be reduced accordingly, for example, when the LED display screen box set is used indoors, the power interface 124 and the connecting tube 30 may not be provided, and the external power line may be directly LED 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 electric 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 sources in the first power box 120 and the second power box 220. In such a cable introduction manner, a special connector may not be used as the power interface 124, so that the material cost may be further reduced, and at the same time, the cable may be hidden.
It can be understood that when the LED display screen box group 100 is provided with a plurality of boxes, the power boxes of the plurality of boxes may be electrically connected through a 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 a special connector is adopted as the interface, or may be an interface directly arranged in the power box, and is directly introduced into the power box by an external power line.
HUB plates can be further arranged in the first power box 120 and the second power box 220, and the HUB plates in the first power box 120 and the second power box 220 are connected through cables, for example, the cables pass through holes 121a of the first power box 120 and the second power box 220, and two ends of the cables are respectively connected with the HUB plates in the two power boxes, so that connection of the HUB plates in the first power box 120 and the second power box 220 is realized.
Referring to fig. 6, in one or more embodiments, one of the first power box 120 and the second power box 220 is provided with a control card 50, and the control card 50 is electrically connected to a HUB board in one of the power boxes and is electrically connected to a HUB board in the other power box through the HUB board in the power box, so that the first box 10 and the second box 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, an interface assembly is disposed on the first HUB board 610 and the second HUB board 620, and the interface assembly of the first HUB board 610 and the second HUB board 620 is connected through a flat cable, and the control card 50 is disposed in the first power box 120 and electrically connected to the first HUB board 610, thereby, the control of the first HUB board 610 and the second HUB board 620 can be simultaneously realized through the control card 50, and the lamp panel of the first box 10 is carried through the first HUB board 610, and the lamp panel of the second box 20 is carried through the second HUB board 620.
A plurality of HUB boards may be disposed in the first power box 120 and the second power box 220, so as to load a plurality of light panels, and the HUB boards may be electrically connected with each other. For example, in the illustrated embodiment, the first and third HUB boards 610 and 630 are disposed within the first power box 120, and the second and fourth HUB boards 620 and 640 are disposed within the second power box 220, and the first, second, third and fourth HUB boards 610, 620, 630 and 640 are electrically connected to each other, thereby enabling the control card 50 to control four HUB boards simultaneously.
When the two power supply boxes of the first box 10 and the second box 20 are arranged adjacently, the first power supply box 120 and the second power supply box 220 can be communicated with each other through the connecting pipe 30, after HUB plates in the two power supply boxes are conducted, one control card 50 can be used for simultaneously controlling the first box 10 and the second box 20 to be loaded simultaneously, the loading capacity of the control card 50 is fully utilized, and the loading overflow of the control card 50 is reduced. Of course, when the two power boxes of the first and second cases 10 and 20 are provided in the middle, not in the vicinity, they are connected to the HUB boards in the two power boxes through cables, thereby realizing the common control card 50. By sharing the control card 50, the use of the control card 50 is reduced, which is advantageous in reducing hardware cost.
It will be appreciated that, similar to the access of the power signal, the input of the data signal may be accessed to the control card 50 through the data input interface 125. In the premise of reducing the waterproof requirement, the control card 50 can be directly introduced into the inner cavity 120a from the gap between the two power supply boxes through the external cable and through the through hole 121a, 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 may also be directed from the control card 50 through the data output interface 126 or 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 group 100 is provided with a plurality of boxes, the control card 50 may be disposed in at least one power supply box, and the HUB boards of the plurality of boxes are cascade connected to each other to realize electrical connection and signal connection, so as to realize sharing of the control card 50.
The plurality of boxes may be connected to the data input cable by sharing the same interface and to the data output cable by sharing the same interface. For example, when one control card 50 is shared by a plurality of cases, the shared control card 50 is connected to the data input cable and the data output cable; or when the control cards are configured, the control cards are connected to the same interface so as to realize interface sharing.
When the first power supply box 120 and the second power supply box 220 are both provided with power supplies, the power supplies in the first power supply box 120 and the second power supply box 220 respectively supply power to the HUB cards in the first power supply box and the second power supply box. For example, the power supply within the first power box 120 powers the first HUB plate 610 and the third HUB plate 630, and the power supply within the second power box 220 powers the second HUB plate 620 and the fourth HUB plate 640. It will be appreciated that when the power source is supplying power to the HUB board, the interconnection of the power sources in the first and second power boxes 120 and 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 a HUB board in one of the power boxes, and the HUB board in the first power box 120 and the HUB board in the second power box 220 are connected through a cable, so that the first power box 120 and the second power box 220 can share a power source. Therefore, the use of a switching power supply can be reduced, and the cost is 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 is 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 can not only realize the common control card 20 and make full use of the load capacity of the control card 50 to reduce load overflow, but also realize cost reduction by reducing the use of various connectors such as a power supply interface and a switching power supply by the common power supply. It will be appreciated that the power source may be connected to the external power source line through the power source interface 124, or may be directly connected to the power source through the through hole 121a by the external power source line when the connection tube 30 is not provided.
When the LED display screen box group 100 is provided with a plurality of boxes, the power boxes of the plurality of boxes may be electrically connected through 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 cases is greater, the switch power supply and the control card may be shared by some cases in the LED display panel case set 100, and at this time, the LED display panel case set 100 may include a plurality of control cards and switch power supplies.
Referring to fig. 2 and 7, the connecting pipe 30 includes a pipe 330, one end of the pipe 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 pipe 330, the channel 330a penetrates through two ends of the pipe 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 a specific embodiment, the connection pipe 30 may further include a first connection plate 310 and a second connection plate 320, where the first connection plate 310 and the second connection plate 320 are respectively disposed at two ends of the pipe 330, a through hole 30a is disposed on the first connection plate 310 and the second connection plate 320, the through hole 30a of the first connection plate 310 and the second connection plate 320 is communicated with the channel 330a, the first connection plate 310 is fixedly connected to one of the first power supply box 120 and the second power supply box 220, and the second connection plate 320 is fixedly connected to the other one of the first power supply box 120 and the second power supply box 220.
For example, the first connection plate 310 is fixedly connected to the first power box 120 corresponding to the through hole 121a on the first power box 120, and the second connection plate 320 is fixedly connected to the second power box 220 corresponding to the through hole 121a on the second power box 220. In a specific embodiment, the first connecting plate 310 may be disposed in the inner cavity 120a of the first power box 120, and one end of the pipe 330 passes through the through hole 121a of the first power box 120 to be fixedly connected with the first connecting plate 310, so that the connection tightness between the connecting pipe 30 and the first power box 120 can be enhanced, which is beneficial to waterproof. Similarly, the second connection 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 connection plate 320.
In one or more embodiments, the tube 330 is capable of deforming when stretched or compressed upon application of a force. For example, the tube 330 may be a bellows. In particular, corrugated rubber tubes, metal corrugated tubes, etc. may be used in the application.
Above-mentioned LED display screen box group 100, through being fixed by a plurality of boxes and forming the box group, when the concatenation, both can use the box group to splice, also can split the box group when needs, be favorable to nimble concatenation with the box after the split is used for the concatenation. Meanwhile, the plurality of boxes are connected with an external power cable and a data input/output cable through the same interface, so that the use of the interface type connector is reduced, and the cost of the boxes is reduced.
An embodiment of the present application further provides an LED display screen, where the LED display screen may include a plurality of LED box groups and a splicing assembly, where two adjacent LED box groups are spliced and fixed with each other by the splicing assembly, and the LED box group is the LED display screen box group 100 described in any one of the embodiments above.
Above-mentioned LED display screen through being fixed by a plurality of boxes and forming the box group, when the concatenation, both can use the box group to splice, also can split the box group when needs, 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 cable and a data input/output cable through the same interface, so that the use of the interface type connector is reduced, and the cost of the boxes is reduced.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (8)
1. The LED display screen box body group is characterized by comprising at least two box bodies and a connecting pipe, wherein the two adjacent box bodies are fixedly connected, each box body is correspondingly provided with a power box, each power box is provided with a box body, an inner cavity is arranged in each box body, through holes are formed in the box body, and the inner cavities of a plurality of power boxes are mutually communicated through the through holes;
the 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 the inner cavities of the two power supply boxes are communicated through the connecting pipe;
the power supply boxes of two adjacent boxes are fixedly connected with each other by penetrating through the through holes on the power supply boxes;
At least one power supply box is internally provided with a power supply, and the power supply boxes of the plurality of boxes are connected with an external power cable through sharing the same interface;
HUB plates are arranged in the power boxes, and cables penetrate through the through holes to communicate the HUB plates in the two power boxes, so that the HUB plates in the power boxes of the multiple boxes are electrically connected and connected with signals;
The control card is arranged in at least one power box, and the plurality of boxes are connected with the data input cable through sharing the same interface and the data output cable through sharing the same interface.
2. The LED display screen box group of claim 1, wherein one of the power boxes of the plurality of boxes is provided with a power source, the output end of the power source is electrically connected to the HUB board in one of the power boxes, and the plurality of power boxes share the same power source.
3. The LED display screen box group of claim 1, wherein the box body of at least one power box is provided with an opening, a connector is arranged in the opening, the connector comprises a power interface, a data input interface and a data output interface, the power sources of the plurality of boxes are 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 group of claim 1, wherein the external power line is LED in from a gap between two power supply boxes, passes through a through hole on the power supply box, and is electrically connected to a power supply of one of the power supply boxes;
The data input line and the data output line are led in from the gap between the two power supply boxes, pass through the through holes on the power supply boxes and are electrically connected with the control card of one of the power supply boxes.
5. The LED display screen box group according to claim 1, wherein the boxes of the power boxes of the adjacent two boxes are provided with a plurality of bosses on the side walls close to each other, and the perforations are provided on the bosses.
6. The LED display screen box set of claim 1, wherein at least one perforation is offset from the remaining perforations along the thickness of the box, but not on the same horizontal line, so that adjacent three fixtures form a triangular configuration.
7. The LED display screen box group of claim 1, wherein two adjacent boxes are symmetrically arranged along a seam between two boxes or are centrally symmetrical about a midpoint of the seam.
8. An LED display screen, which can comprise an LED box group and a splicing component, wherein the LED box groups are provided with a plurality of LED box groups, and two adjacent LED box groups are mutually spliced and fixed through the splicing component.
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| WO2020177452A1 (en) * | 2019-03-07 | 2020-09-10 | 深圳市奥拓电子股份有限公司 | Led display screen case set and led display screen |
| CN110288919A (en) * | 2019-07-09 | 2019-09-27 | 深圳市奥拓电子股份有限公司 | LED box and LED display |
| CN110570781A (en) * | 2019-09-29 | 2019-12-13 | 广东德豪锐拓显示技术有限公司 | LED display module and LED splicing display system |
| CN111028701B (en) * | 2019-11-29 | 2022-04-01 | 熊周成 | LED display screen |
| CN111933046B (en) * | 2020-08-03 | 2022-12-09 | 深圳市欧立光电技术有限公司 | LED display screen box and package post LED display screen |
| CN115240565A (en) * | 2021-04-25 | 2022-10-25 | 华为技术有限公司 | Electronic device |
| CN113727554B (en) * | 2021-08-27 | 2023-07-14 | 北京北方华创微电子装备有限公司 | Power supply assembly, plasma immersion ion implantation equipment and use method thereof |
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