CN111933046A

CN111933046A - LED display screen box and package post LED display screen

Info

Publication number: CN111933046A
Application number: CN202010766425.9A
Authority: CN
Inventors: 徐光华; 郭平; 郭承威
Original assignee: SHENZHEN ONLY OPTOELECTRONIC TECHNOLOGY CO LTD
Current assignee: SHENZHEN ONLY OPTOELECTRONIC TECHNOLOGY CO LTD
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2020-11-13
Anticipated expiration: 2040-08-03
Also published as: CN111933046B

Abstract

The invention relates to an LED display screen box body and a wrapped column LED display screen. The LED display screen box body comprises a box body shell, a control device and an LED lamp panel. The control device is arranged in the box body shell. The box shell comprises a back plate, an upper side plate, a first side plate, a lower side plate and a second side plate, wherein the upper side plate, the first side plate, the lower side plate and the second side plate are located on the front side of the back plate and are annularly arranged on the peripheral edge of the back plate. The left side and the right side of the box body shell are symmetrically provided with a first inclined plane plate and a second inclined plane plate. The control device comprises an adapter plate, two control cards and two power cards, wherein a DC/DC power module electrically connected with the power cards and a double-in and double-out network cable seat electrically connected with the control cards are arranged on the adapter plate. The DC/DC power supply module has the advantages that the DC/DC power supply module can convert the power supply voltage output by the adapter card from 3.8V to 2.8V, and the voltage reduction and energy saving effects are achieved under the condition that the normal work of the lamp panel of the LED display screen is not influenced.

Description

LED display screen box and package post LED display screen

Technical Field

The invention relates to the technical field of LED display, in particular to an LED display screen box body and a wrapped column LED display screen.

Background

The LED display screen box body comprises a box body shell, a control device and an LED lamp panel, wherein the control device is placed in the box body shell, and the control device is used for switching an external power supply and a signal source to the LED lamp panel of the box body. The existing LED display screen box body is powered by leading an external power line to a control device inside a box body shell, then the power line is connected through an input end of a switching card on the control device, and at the moment, the output end of the switching card outputs 3.8V voltage. When the LED display screen box body supplies power to the LED display screen lamp panel, the rated voltage of green and blue lamp beads in the LED display screen is 3.8V; the rated voltage of the red lamp beads in the LED display screen is 2.8V. Therefore, when the LED display screen only has the red lamp beads, the excessive voltage of 3.8V is not needed, the circuit is influenced to a certain extent due to the excessive rated voltage, and when the excessive rated voltage is not needed, the electric energy is wasted, and the energy-saving effect cannot be achieved.

Therefore, an energy-saving LED display screen box body is needed urgently.

Disclosure of Invention

Technical problem to be solved

In view of the above disadvantages and shortcomings of the prior art, the present invention provides an LED display screen box and a wrapped-column LED display screen, which solves the technical problem that the LED display screen box wastes electricity in the prior art.

(II) technical scheme

In order to achieve the purpose, the invention adopts the main technical scheme that:

in a first aspect, an embodiment of the invention provides an LED display screen box, which includes a box casing, a control device and an LED lamp panel, wherein the control device is disposed in the box casing, and the box casing includes a back panel, an upper side plate, a first side plate, a lower side plate and a second side plate, the upper side plate, the first side plate, the lower side plate and the second side plate are located at the front side of the back panel and are annularly disposed on the peripheral edge of the back panel;

the left side and the right side of the box body shell are symmetrically provided with a first inclined plane plate and a second inclined plane plate, the first inclined plane plate and the second inclined plane plate are connected with the back plate and extend towards the front side and the outer side of the box body shell at an angle of 45 degrees, the first inclined plane plate is connected with the front end of the first side plate, and the second inclined plane plate is connected with the front end of the second side plate;

the control device comprises an adapter plate, two control cards and two power cards, wherein the adapter plate is provided with a DC/DC power module electrically connected with the power cards and a double-in and double-out network cable seat electrically connected with the control cards;

the LED lamp panel is connected with the adapter plate through a connector.

Optionally, two slots are respectively formed in the upper side plate and the lower side plate, the slots are arranged in a left-right symmetrical mode about the longitudinal central axis of the LED display screen box body, and are arranged in an up-down symmetrical mode about the transverse central axis of the LED display screen box body. A first plug is fixedly arranged in the slot and does not protrude out of the upper side plate and the lower side plate of the box shell. The output end of the first plug is respectively and correspondingly electrically connected with the input ports of the power card and the network cable seat through a power line and a signal line. The input end of the first plug is plugged with a second plug matched with the first plug, and the second plug is used for connecting an external power supply and signals.

Optionally, the box body shell further comprises a double-layer longitudinal partition plate arranged in the middle of the back plate. The double-layer longitudinal partition plate comprises a first longitudinal partition plate, a second longitudinal partition plate and a connecting plate for connecting the first longitudinal partition plate and the second longitudinal partition plate.

The first longitudinal partition board and the second longitudinal partition board are arranged in parallel, and the connecting board is arranged at the upper end and the lower end of the first longitudinal partition board and the second longitudinal partition board.

Optionally, the back plate is provided with a plurality of transverse partition plates at equal intervals on the left and right sides of the double-layer longitudinal partition plate.

Optionally, at least four power supply installation grooves are formed between the transverse partition plates, the power supply installation grooves are arranged in a left-right symmetrical mode with respect to the longitudinal central axis of the LED display screen box body, and are arranged in a vertical symmetrical mode with respect to the transverse central axis of the LED display screen box body, and the power supply card is fixedly installed in the power supply installation grooves.

Optionally, a plurality of ferromagnetic columns are fixedly mounted on the transverse partition plate and the back plate. A plurality of support columns are arranged around part of the strong magnetic columns. The one end integrated into one piece ground of pillar sets up on horizontal separators, and the other end offsets with the LED lamp plate, and the height that highly is less than the pillar of strong magnetism post.

Optionally, the entrance of the network cable seat is divided into two branches. One branch is used for being electrically connected with the control card, the other branch is used for being connected with an outlet of the network cable seat, and the outlet of the network cable seat is used for outputting signals to the outside.

Optionally, the first bevel panel, the first side plate and the back plate form a first chamber. The second bevel plate, the second side plate and the back plate form a second chamber. An opening communicated with the outside is respectively arranged on the first side plate and the second side plate. The part of the back plate positioned in the first cavity and the second cavity is provided with a plurality of cross columns.

Optionally, the plurality of LED display screen boxes are mounted on a plane through a connecting sheet.

In a second aspect, an embodiment of the present invention provides a pillar-wrapped LED display screen, including an LED display screen box and an "L" shaped mounting plate;

cut along the department of meeting of first inclined plane board and first curb plate and backplate respectively, and cut along the department of meeting of second inclined plane board and second curb plate and backplate respectively to obtain a packet post LED display screen monomer, and four packet post LED display screen monomers are installed through "L" type installation piece.

(III) advantageous effects

The invention has the beneficial effects that:

1: the DC/DC power module is arranged on the adapter plate of the control device, so that the power voltage output by the adapter card can be converted from 3.8V to 2.8V, and the voltage reduction and energy saving effects are achieved under the condition that the normal work of the lamp panel of the LED display screen is not influenced.

2: the box shell can be cut along one side of the longitudinal central axis to form two identical box shell monomers, the box shell can be properly cut according to the installed area, the LED display screen box body with the proper area is formed, and the assembly size is more flexible.

3: can cut along the department of meeting of the first inclined plane board of box shell and first curb plate and backplate respectively to and cut along the department of meeting of second inclined plane board and second curb plate and backplate respectively, in order to form packet post LED display screen monomer, four packet post LED display screen monomers carry out fixed connection through "L" type installation piece and form four bread posts, have realized the effect that presents of LED display screen multisurface.

4: because first plug does not stand out in the upper plate and the lower side plate of box shell, forms hidden design, when first plug is pegged graft with the second plug, can avoid the wire to expose and lead wire overall arrangement is mixed and disorderly complicated, has ensured the aesthetic property and the security of LED display screen box.

5: the power card, the control card, the network cable seat with double input and double output and the first plug all adopt double backup, so that the working stability of the LED display screen box body is ensured.

6: attract the LED lamp plate through a plurality of strong magnetic columns, the LED lamp plate offsets with the pillar that sets up around strong magnetic column and exceed strong magnetic column, and does not with strong magnetic column direct contact, has ensured the roughness of LED lamp plate.

Drawings

FIG. 1 is a schematic front side view of an exploded structure of an LED display screen case according to the present invention;

FIG. 2 is a schematic view of a cut-away structure of the LED display screen box body in FIG. 1 at C-C;

FIG. 3 is an enlarged detail view of the area labeled "A" of the LED display cabinet of FIG. 1;

FIG. 4 is an enlarged detail view of the area labeled "B" of the LED display cabinet of FIG. 1;

FIG. 5 is a schematic view of a connection structure of a first plug and a second plug of the LED display screen box body according to the present invention;

FIG. 6 is a schematic structural view of two LED display screen boxes of the present invention, which are mounted on a plane through a connection sheet;

FIG. 7 is a perspective view of the connecting piece of FIG. 6;

FIG. 8 is an enlarged detail view of the area labeled "A'" of the LED display housing of FIG. 1;

fig. 9 is an assembled perspective view of the pillar-wrapped LED display screen of the present invention.

[ description of reference ]

1: a case body shell; 11: a back plate; 12: an upper side plate; 13: a first side plate; 14: a lower side plate; 15: a second side plate; 16: a double-layer longitudinal partition plate; 17: a slot; 18: a transverse partition; 2: a control device; 21: an adapter plate; 22: a control card; 23: a power card; 24: a network cable seat; 3: an LED lamp panel; 4: a first bevel panel; 5: a first plug; 51: connecting lugs; 6: a power line; 7: a signal line; 8: a second plug; 9: a power supply mounting groove; 100: a heat dissipation aluminum block; 200: a ferromagnetic pillar; 300: a pillar; 400: an L-shaped mounting plate; 500: opening the mouth; 600: a cross post; 700: connecting sheets; 700-1: a first hole; 700-2: a second hole; 710: a front mounting hole; 720: a rear mounting hole; 800: a first screw mounting hole; 900: a trough body; 901: a second screw mounting hole; C-C: a longitudinal central axis.

Detailed Description

For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. Herein, the terms "upper", "lower", "front", "rear" and the like are used herein with reference to the orientation of fig. 1, and the side of the housing case 1 connected to the LED lamp panel 3 is defined as the front side.

The LED display screen box body provided by the embodiment of the invention comprises a box body shell 1, a control device 2 and an LED lamp panel 3. The control device 2 is arranged in the box body shell 1, and the control device 2 comprises an adapter plate 21, two control cards 22 and two power supply cards 23. The adapter board 21 is provided with a DC/DC power supply module electrically connected to the power card 23 and a network cable base 24 electrically connected to the control card 22 for dual-in and dual-out. The DC/DC power supply module can convert the power supply voltage output by the adapter card 21 from 3.8V to 2.8V. Under the condition that the normal work of the lamp panel of the LED display screen is not influenced, the voltage reduction and energy saving effects are achieved. Meanwhile, the LED display screen box body provided by the invention is an ultrathin box body, and the thickness range of the ultrathin box body is 30-33 mm. Preferably, the thickness of the LED display screen box body provided by the embodiment of the invention is 31.5 mm. The LED display box body provided by the invention can be manufactured into LED small-spacing display screen box bodies with the specification sizes of 1.875, 1.5625, 0.9375, 1.25 and the like.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Example 1:

referring to fig. 1-2, an LED display screen box comprises a box housing 1, a control device 2 and an LED lamp panel 3. The control device 2 is arranged in the box body shell 1. The box housing 1 can be split along the longitudinal central axis C-C to form two identical box housing units (as shown in fig. 2), thereby making the assembly size more flexible.

The box body shell 1 comprises a back plate 11, an upper side plate 12, a first side plate 13, a lower side plate 14 and a second side plate 15, wherein the upper side plate 12 is positioned on the front side of the back plate 11 and is annularly arranged on the peripheral edge of the back plate 11;

the left and right sides of the box body shell 1 are symmetrically provided with a first inclined plane plate 4 and a second inclined plane plate (not shown in the figure). First inclined plane board 4 and second inclined plane board all meet with backplate 11, and are 45 degrees angle extensions towards the front side and the outside of box shell 1. The first inclined plane plate 4 is connected with the front end of the first side plate 13. The second inclined plane plate is connected to the front end of the second side plate 15.

The control device 2 comprises an adapter board 21, two control cards 22 and two power cards 23, wherein the adapter board 21 is provided with a DC/DC power module electrically connected with the power cards 23 and a double-in and double-out network cable seat 24 electrically connected with the control cards 22. On the premise that the green and blue lamp beads work, the power voltage output by the adapter card 21 can be converted from 3.8V to 2.8V through the DC/DC power module when the red lamp beads work, so that the effects of voltage reduction and energy saving are achieved;

LED lamp plate 3 passes through the connector with keysets 21 and is connected, and the accessible connector provides power and signal for LED lamp plate 3.

The adapter card 21 is a HUB adapter card. The adapter card 21 is locked to the case housing 1 by screws.

Further, referring to fig. 1 and 3, two slots 17 are respectively opened on the upper side plate 12 and the lower side plate 14 of the box body housing 1. The slots 17 are arranged in a left-right symmetrical manner about the longitudinal central axis of the LED display screen box body, and are arranged in an up-down symmetrical manner about the transverse central axis of the LED display screen box body. That is, when the box casing 1 is divided into two separate box casing single bodies along the longitudinal central axis for use, there is no case where the use of the insertion groove 17 is affected. The first plug 5 is fixedly arranged in the slot 17, as shown in fig. 5, the left side and the right side of the first plug 5 are provided with the connecting lugs 51, and the first plug 5 is fixed in the slot 17 through the connecting lugs 51, so that the first plug 5 is prevented from loosening and falling off on the box body shell 1. Moreover, the glue is poured into the connecting lugs 51 to achieve the waterproof effect. The first header 5 is provided so as not to protrude from the upper side plate 12 and the lower side plate 14 of the box casing 1. The output end of the first plug 5 is electrically connected with the input ports of the power card 23 and the network cable seat 24 respectively through the power line 6 and the signal line 7, so as to transmit power and signals to the power card 23 and the network cable seat 24, and further the power card 23 is connected with the adapter plate 21 through a wire. The network cable seat 24 is connected with the control card 22, and the control card 22 and the adapter board 21 form a board-to-board connector and are connected in an inserting mode. From this, all transmit the power on the power card 23 and the signal on the control card 22 to the keysets 21, then keysets 21 and LED lamp plate 3 form the board to the board connector, and both connect through the mode of pegging graft, realize for the power supply of LED lamp plate 3 and provide the signal. The input end of the first plug 5 is plugged with a second plug 8 matched with the first plug, the second plug 8 is used for connecting an external power supply and signals, and the second plug 8 transmits the external power supply and signals to the first plug 5 through a contact pin and is connected with a power line 6 and a signal line 7 on the first plug 5. The first plug 5 is of a concealed design. At the same time, the first plug 5 is plugged into the second plug 8 by means of pins. The LED display screen box body can avoid the exposure of wires and the disordered and complicated lead layout, and the attractiveness and the safety of the LED display screen box body are ensured.

Further, referring to fig. 1, 2 and 3, the box casing 1 further includes a double-layer longitudinal partition 16 disposed at the middle of the front side of the back plate 11. The double-layered longitudinal partition 16 includes a first longitudinal partition 161 and a second longitudinal partition 162, and a coupling plate 163 for coupling the first longitudinal partition 161 and the second longitudinal partition 162.

The first longitudinal partition 161 and the second longitudinal partition 162 are disposed in parallel with each other, and the connection plates 163 are disposed at upper and lower ends of the first longitudinal partition 161 and the second longitudinal partition 162. The connection plates 163 at the upper and lower ends are equally divided into two parts when cut along the longitudinal center axis C-C of the tank case 1, thereby forming two separate tank case units.

Further, referring to fig. 1, the back plate 11 is provided with six transverse partition plates 18 at equal intervals on the left and right sides of the double-layer longitudinal partition plate 16, and four power supply installation grooves 9 are formed between the transverse partition plates 18, the four power supply installation grooves 9 are arranged in a left-right symmetrical manner with respect to the longitudinal central axis of the LED display screen box body, and are arranged in an up-down symmetrical manner with respect to the transverse central axis of the LED display screen box body, and the power supply card 23 is fixedly installed in the power supply installation grooves 9.

In the case where the box case 1 is not cut, the box case 1 is used as a whole. At this time, the box body case 1 has four power supply installation grooves 9, and two power supply cards 23 may be placed in any two of the four power supply installation grooves 9. Under the condition that box shell 1 is cut open, all have two power supply mounting groove 9 in every box shell monomer, two power supply mounting groove 9 satisfy placing of two power supply cards 23, do not influence dual power control, and two power supply cards 23 are used for one and are equipped with, ensure the power supply stability ability of LED lamp plate 3.

Preferably, four heat dissipation aluminum blocks 100 are disposed in the inner cavity of the box casing 1. The heat dissipation aluminum blocks 100 at the two sides are respectively arranged in the inner cavity of the box casing 1 and near the first inclined plane plate 4 and the second inclined plane plate, and the heat dissipation aluminum blocks 100 at the two centers are respectively arranged in the inner cavity of the box casing 1 and near the double-layer longitudinal partition 16. In the case where the box casing 1 is not cut, the box casing 1 is used as a whole. In the inner cavity of the box body shell 1 of the LED display screen box body, two power supply cards 23 are respectively and fixedly arranged in the power supply installation grooves 9 which are adjacent left and right through screws; and then an adapter plate 21 is superposed on the front sides of the power card 23 and the double-layer longitudinal partition plate 16 and is locked on the back plate 11 of the box body shell 1 through screws so as to control the work of the LED lamp panel 3. At this time, the two central heat dissipation aluminum blocks 100 can dissipate heat for the interposer 21. In the case where the box casing 1 is cut, the box casing 1 is used as two separate box casing single bodies. In the inner cavity of the single box body shell of the LED display screen box body, two power supply cards 23 are fixedly arranged in a power supply mounting groove 9 in an up-and-down distribution manner through screws; and then, an adapter plate 21 is stacked on the front side of the power card 23, and the adapter plate 21 is located in an area close to the first inclined plane plate 4 or the second inclined plane plate and is locked on the back plate 11 through screws so as to control the work of the LED lamp panel 3. At this time, the heat dissipation aluminum blocks 100 at the two sides can dissipate heat for the adapter plates 21 in the two separate case housing units, respectively. Therefore, the four heat dissipation aluminum blocks 100 can ensure that the box body shell 1 provides good heat dissipation effect for the adapter plate 21 under the condition of cutting or not cutting. Through the heat dissipation aluminum block 100 arranged on the back plate 11, the heat dissipation treatment is carried out on the adapter plate 21, and the phenomenon that the work of the LED display screen is influenced by overhigh temperature of the adapter plate is prevented.

Further, the LED lamp panel 3 is stacked on the front side of the adapter card 21, and the LED lamp panel 3 is fixed by the ferromagnetic columns 200, the support columns 300 and the box body casing 1. Referring to fig. 1 and 4, a plurality of ferromagnetic columns 200 are fixedly mounted on the transverse partition 18 and the back plate 11. A pillar 300 is provided around a part of the ferromagnetic pillar 200. One end of the supporting column 300 is integrally formed on the transverse partition 18, and the other end of the supporting column abuts against the LED lamp panel 3. The height of the ferromagnetic pillars 200 is lower than that of the pillars 300.

Wherein, if strong magnetic column 200 is direct fixed with LED lamp plate 3, because strong magnetic column 200's magnetic force can not be the same completely, so strong magnetic column 200 is different to the appeal of LED lamp plate 3 to the roughness of LED lamp plate 3 receives the influence of strong magnetic column 200. According to the invention, the support column 300 is arranged to be higher than the strong magnetic column 200, so that the LED lamp panel 3 is abutted against the support column 300 under the attraction of the strong magnetic column 200, the LED lamp panel 3 is fixed, the LED lamp panel 3 is prevented from being in direct contact with the strong magnetic column 200, and the flatness of the LED lamp panel 3 is further ensured.

Further, referring to fig. 1 and 5, the inlet of the network cable holder 24 is electrically connected to the signal cable 7. The inlet of the network cable seat 24 is divided into two branches, one branch is used for being electrically connected with the control card 22, and the other branch is used for being connected with the outlet of the network cable seat 24. And the signal is output to the outside of another LED display screen box body through an outlet of the network cable seat 24. The double-in and double-out network cable seat 24 is also used for ensuring the stability of signal input and output among a plurality of LED display screen boxes.

Further, referring to fig. 1, the first bevel board 4 forms a first cavity with the first side board 13 and the left side of the back board 11. The second bevel panel forms a second chamber with the second side panel 15 and the right side of the back panel 11. The first side plate 13 and the second side plate 15 are respectively provided with an opening 500 communicated with the outside. The portion of the back plate 11 located in the first and second chambers is provided with a plurality of cross-posts 600. When the LED display screen box body is conveyed, the cross column 600 increases the friction force between the hand and the LED display screen box body, and the LED display screen box body is convenient to convey.

Further, referring to fig. 1 and 6, two LED display screen boxes are installed on a plane through a connecting sheet 700, the connecting sheet 700 is fixedly installed on the back plate 11 of the box housing 1, and each connecting sheet 700 can be connected with four LED display screen boxes on the same plane.

Specifically, two LED display panel cases are mounted on the left and right surfaces (as shown in fig. 6). At this time, fig. 6 is a rear side view of two LED display screen boxes, a first side plate 13 of the left LED display screen box in fig. 6 contacts with a second side plate 15 of the right LED display screen box, and then the two LED display screen boxes are subjected to left and right plane installation through a connecting sheet 700.

Further, referring to fig. 7, four first holes 700-1 and four second holes 700-2 are symmetrically formed in the connecting plate 700, respectively. The first hole 700-1 is a threaded hole for screwing the front and rear mounting screws. As shown in fig. 6-8, the front and rear mounting screws (not shown) pass through the front mounting holes 710 of the back plate 11 from the front side of the back plate 11 and are locked in the first holes 700-1 of the connecting plate 700.

Wherein, the second hole 700-2 is a smooth round hole for passing the front and rear mounting screws. As shown in fig. 6-8, the front and rear mounting screws pass through the second holes 700-2 of the connecting plate 700 from the rear side of the back plate 11, and are locked in the rear mounting holes 720 provided with threads on the back plate 11, and the mounting mode is rear mounting.

Therefore, the plane installation between the LED display screen box bodies comprises a front installation method and a rear installation method, the installation methods can be selected according to the space of an installation site and the convenience degree of installation personnel in the front or the rear, the installation time is further saved, and the installation efficiency is improved.

Further, referring to fig. 1, 6 and 8, four first screw mounting holes 800 are respectively formed at intervals on the upper side plate 12 and the lower side plate 14 of the box casing 1; three second screw mounting holes 901 are respectively formed at intervals on the first side plate 13 and the second side plate 15 of the box casing 1, and three straight triangular prism-shaped groove bodies 900 communicated with the three second screw mounting holes 901 are respectively and correspondingly arranged on the first inclined plane plate 4 and the second inclined plane plate. The first screw mounting hole 800 and the second screw mounting hole 901 are used for passing through a coaxial mounting screw (not shown in the figure) and finally fixed by a mounting nut. Specifically, after the connection sheet 700 and the two LED display screen boxes are fixed, as shown in fig. 6 and 8, the coaxial mounting screws sequentially pass through the groove 900 on the first inclined plane plate 4 of the left LED display screen box and the second screw mounting hole 901 on the first side plate 13, then sequentially pass through the second screw mounting hole 901 on the second side plate 13 of the right LED display screen box and the groove 900 on the second inclined plane plate, and finally are fixed by mounting nuts (not shown in the figure). From this, connection piece 700, front and back mounting screw and coaxial mounting screw have realized carrying out fixed of plane installation to two LED display screen box.

Example 2:

referring to fig. 1 and 9, a pillar-wrapped LED display screen, which is different from the LED display screen of embodiment 1, includes an LED display screen case body and an "L" shaped mounting piece 400 as in embodiment 1. And cutting the joint of the first inclined plane plate 4 and the first side plate 13 and the back plate 11 respectively through a common milling machine, and cutting the joint of the second inclined plane plate and the second side plate 15 and the back plate 11 respectively through the common milling machine to obtain the column-wrapped LED display screen monomer. At this time, the first inclined plane plate 4 and the second inclined plane plate at the left and right ends of the box casing 1 are exposed to the outside. And the four column-wrapped LED display screen monomers are installed in a column wrapping mode through the L-shaped installation sheet 400.

Specifically, in the wrapping column installation process, the outer side surface of the first inclined plane plate 4 of one wrapping column LED display screen body is abutted against the outer side surface of the second inclined plane plate of the other wrapping column LED display screen body, four wrapping column LED display screen bodies are assembled in such a way to form a cylindrical three-dimensional display screen, and the rear side right angle of the backboard formed by assembly is fixed in a threaded connection mode through the L-shaped installation piece 400.

In addition, when the multilayer pillar-wrapped LED display screen needs to be assembled, the coaxial mounting screws penetrate through the first screw mounting holes 800 on the lower side plate 14 of the upper pillar-wrapped LED display screen, penetrate out of the corresponding first screw mounting holes 800 on the upper side plate 12 of the lower pillar-wrapped LED display screen, and are finally fixed through the mounting nuts. The second plug 8 of upper strata post LED display screen is connected through the contact pin with the first plug 5 of lower floor's LED package post display screen, forms two-layer package post LED display screen that distributes from top to bottom, and the effect that presents that can better realization LED display screen polyhedral.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. In the drawings, the drawings are only for clearly showing the structures of the respective portions and are not drawn in actual sizes.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a LED display screen box, includes box shell (1), controlling means (2) and LED lamp plate (3), controlling means (2) set up in box shell (1), its characterized in that:

the box body shell (1) comprises a back plate (11), an upper side plate (12) which is positioned on the front side of the back plate (11) and is annularly arranged on the peripheral edge of the back plate (11), a first side plate (13), a lower side plate (14) and a second side plate (15);

a first inclined plane plate (4) and a second inclined plane plate are symmetrically arranged on the left side and the right side of the box body shell (1), the first inclined plane plate (4) and the second inclined plane plate are connected with the back plate (11) and extend towards the front side and the outer side of the box body shell (1) at an angle of 45 degrees, the first inclined plane plate (4) is connected with the front end of the first side plate (13), and the second inclined plane plate is connected with the front end of the second side plate (15);

the control device (2) comprises an adapter plate (21), two control cards (22) and two power cards (23), wherein a DC/DC power module electrically connected with the power cards (23) and a double-in and double-out network cable seat (24) electrically connected with the control cards (22) are arranged on the adapter plate (21);

the LED lamp panel (3) is connected with the adapter plate (21) through a connector.

2. The LED display screen box of claim 1, wherein: the upper side plate (12) and the lower side plate (14) are respectively provided with two slots (17), the slots (17) are arranged in a left-right symmetrical mode relative to the longitudinal central axis of the LED display screen box body, and are arranged up and down symmetrically about the transverse central axis of the LED display screen box body, a first plug (5) is fixedly arranged in the slot (17), and the first plug (5) does not protrude from the upper side plate (12) and the lower side plate (14) of the box body shell (1), the output end of the first plug (5) is respectively and correspondingly electrically connected with the input ports of the power card (23) and the network cable seat (24) through a power line (6) and a signal line (7), the input end of the first plug (5) is plugged with a second plug (8) matched with the first plug, and the second plug (8) is used for connecting an external power supply and signals.

3. The LED display screen box of claim 1, wherein: the box body shell (1) further comprises a double-layer longitudinal partition plate (16) arranged in the middle of the back plate (11), wherein the double-layer longitudinal partition plate (16) comprises a first longitudinal partition plate (161), a second longitudinal partition plate (162) and a connecting plate (163) used for connecting the first longitudinal partition plate (161) and the second longitudinal partition plate (162);

the first longitudinal partition (161) and the second longitudinal partition (162) are disposed in parallel with each other, and the connection plates (163) are disposed at upper and lower ends of the first longitudinal partition (161) and the second longitudinal partition (162).

4. The LED display screen box of claim 3, wherein: the back plate (11) is provided with a plurality of transverse clapboards (18) at the left side and the right side of the double-layer longitudinal clapboard (16) at equal intervals.

5. The LED display screen box of claim 4, wherein: at least four power supply installation grooves (9) are formed between the transverse partition plates (18), the power supply installation grooves (9) are arranged in a left-right symmetrical mode relative to the longitudinal central axis of the LED display screen box body, in addition, the power supply cards (23) are arranged in the power supply installation grooves (9) in a vertical symmetrical mode relative to the transverse central axis of the LED display screen box body.

6. The LED display screen box of claim 4, wherein: transverse partition board (18) and fixed mounting has a plurality of strong magnetism post (200) on backplate (11), part be provided with pillar (300) around strong magnetism post (200), the one end integrated into one piece of pillar (300) set up in on transverse partition board (18), the other end with LED lamp plate (3) offset, the height of strong magnetism post (200) is less than the height of pillar (300).

7. The LED display screen box of claim 1, wherein: the entrance of the network cable seat (24) is divided into two branches, one branch is used for being electrically connected with the control card (22), the other branch is used for being connected with the exit of the network cable seat (24), and the exit of the network cable seat (24) is used for outputting signals to the outside.

8. The LED display screen box of claim 1, wherein: the first inclined plane plate (4), the first side plate (13) and the back plate (11) form a first cavity, the second inclined plane plate, the second side plate (15) and the back plate (11) form a second cavity, openings (500) communicated with the outside are formed in the first side plate (13) and the second side plate (15) respectively, and a plurality of cross columns (600) are arranged on the portions, located in the first cavity and the second cavity, of the back plate (11).

9. The LED display screen box of claim 1, wherein: and the LED display screen boxes are installed in a plane through connecting sheets (700).

10. A pillar-wrapped LED display screen, comprising the LED display screen box of any one of claims 1-8 and an "L" shaped mounting plate (400);

the first inclined plane plate (4) and the joint of the first side plate (13) and the back plate (11) are cut, the second inclined plane plate and the joint of the second side plate (15) and the back plate (11) are cut, and the column-wrapped LED display screen single bodies are obtained, and the four column-wrapped LED display screen single bodies are installed through L-shaped installation sheets (400).