CN115457882A

CN115457882A - LED display screen

Info

Publication number: CN115457882A
Application number: CN202211209476.7A
Authority: CN
Inventors: 陈健; 吴振宙
Original assignee: Yaham Optoelectronics Co ltd
Current assignee: Yaham Optoelectronics Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-12-09

Abstract

The invention discloses an LED display screen, which comprises a bracket main body, splicing pieces and a plurality of display modules, wherein the display modules and the splicing pieces are detachably arranged on the bracket main body; the splicing piece is located on the inner side of the display module and covers the gap between two adjacent display modules, and a gap formed by the splicing piece and the side faces of the two adjacent display modules is filled with sealant. The support main body of the LED display screen can be spliced with a plurality of display modules to form a large-size display screen, so that the transportation cost of the display modules is reduced, and when the display modules are damaged, only one damaged display module needs to be replaced, so that the later maintenance cost of the display screen is effectively reduced; the splice can form the seal groove with between two adjacent display module to it is sealed to conveniently beat to glue between two adjacent display module, guarantees the sealing performance of LED display screen after the concatenation is accomplished.

Description

LED display screen

Technical Field

The invention relates to the technical field of displays, in particular to an LED display screen.

Background

With the wide application of the current LED display screen, the functions and the structures of the display screen products are gradually diversified. The requirements for universality, installation and daily maintenance of the display screen module are higher and higher, convenience of installation and maintenance of the client side is considered, actual conditions of different application scenes are combined, and requirements for front and back maintenance are met. And to the development field of outdoor advertising screen, the size specification change of display screen is great, and the size of the display module on the current display screen is relatively fixed, when the display screen of customer's needs great size specification, just need change the display module of corresponding size, and the large-size display module is not convenient for transport, and later maintenance cost is also higher.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: an LED display screen with a tiled display module is provided.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an LED display screen comprises a bracket main body, a splicing piece and a plurality of display modules, wherein the display modules and the splicing piece are detachably arranged on the bracket main body; the splicing piece is located on the inner side of the display module and covers the gap between two adjacent display modules, and a gap formed by the splicing piece and the side faces of the two adjacent display modules is filled with sealant.

The invention has the beneficial effects that: the support main body of the LED display screen can be spliced with a plurality of display modules to form a large-size display screen, so that the transportation cost of the display modules is reduced, and when the display modules are damaged, only one damaged display module needs to be replaced, so that the later maintenance cost of the display screen is effectively reduced; the splice can form the seal groove with between two adjacent display module to it is sealed to conveniently beat to glue between two adjacent display module, guarantees the sealing performance of LED display screen after the concatenation is accomplished.

Drawings

Fig. 1 is a schematic view of an overall structure of an LED display screen according to a first embodiment of the present invention;

FIG. 2 is an exploded view of an LED display screen according to a first embodiment of the present invention;

FIG. 3 is an enlarged detail view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of an LED display screen according to a first embodiment of the present invention;

FIG. 5 is an enlarged detail view of portion B of FIG. 4;

FIG. 6 is an enlarged detail view of portion C of FIG. 4;

fig. 7 is a schematic view of an overall structure of an LED display screen according to a first embodiment of the present invention;

fig. 8 is a schematic structural view of a module quick lock and a module bracket in an LED display screen according to a first embodiment of the present invention;

fig. 9 is an enlarged detail view of portion D of fig. 8.

Description of reference numerals:

1. a stent main body; 11. a bottom case; 111. a side groove; 112. a clamping groove; 113. a long hole; 12. a plug; 13. a module support; 131. a second positioning structure; 132. accommodating grooves; 133. positioning a groove;

2. splicing pieces; 21. a hook; 22. a first positioning structure;

3. a display module;

4. the module is quickly locked; 41. a knob; 411. a rotating part; 412. a lug; 42. a blocking piece; 421. a notch;

5. a seal member; 51. and (5) positioning the blocks.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 9, an LED display screen includes a bracket main body 1, a splicing member 2, and a plurality of display modules 3, where the display modules 3 and the splicing member 2 are detachably disposed on the bracket main body 1; the splicing piece 2 is located on the inner side of the display module 3 and covers the gap between two adjacent display modules 3, and sealant is filled in the gap formed by the splicing piece 2 and the side faces of the two adjacent display modules 3.

As can be seen from the above description, the beneficial effects of the present invention are: the support main body 1 of the LED display screen can be spliced with a plurality of display modules 3 to form a large-size display screen, so that the transportation cost of the display modules 3 is reduced, and when the display modules 3 are damaged, only one damaged display module 3 needs to be replaced, so that the later maintenance cost of the display screen is effectively reduced; splice 2 can and two adjacent display module 3 between form the seal groove to it is sealed that convenient beating glue between two adjacent display module 3, guarantees the sealing performance of LED display screen after the concatenation is accomplished.

Further, the edge of support main part 1 forms the surrounding edge towards one side protrusion extension, the inward flange of surrounding edge is equipped with limit groove 111, the outward flange of display module 3 is located in the limit groove 111, display module 3's lateral surface with fill through sealed glue between the vertical face of limit groove 111.

As can be seen from the above description, the inner edge of the bracket body 1 and the outer edge of the display module 3 are sealed by gluing, so that external moisture or dust can be prevented from entering the LED display screen from the mounting gap between the bracket body 1 and the display module 3 to cause circuit damage.

Further, the support main body 1 includes a bottom case 11 and a plug 12, a plurality of clamping grooves 112 are formed in the bottom case 11, hooks 21 matched with the clamping grooves 112 are formed in the splicing members 2, and the plug 12 is detachably connected to the bottom case 11 and plugs two ends of the clamping grooves 112.

From the above description, the installation manner of the splicing member 2 is simple and convenient, and the position can be adjusted at will according to the specification and the size of the display module 3 for splicing.

Further, the bottom case 11 is made of an aluminum profile.

As can be seen from the above description, the bottom case 11 is not easy to deform and age under outdoor severe environments such as high temperature, high humidity, and severe cold, and has good heat dissipation performance.

Further, the support body 1 further includes a module support 13, the module support 13 is detachably connected to the bottom case 11, and the display module 3 is detachably connected to the module support 13.

Further, a first positioning structure 22 is arranged on the splicing member 2, and a second positioning structure 131 matched with the first positioning structure 22 is arranged on the module bracket 13.

As can be seen from the above description, the first positioning structure 22 and the second positioning structure 131 cooperate to limit the relative positions of the splice 2 and the module bracket 13, which is beneficial to improving the assembly precision and the structural stability of the LED display screen.

Further, still include module quick lock 4, module quick lock 4 includes knob 41, knob 41 includes rotation portion 411 and lug 412, rotation portion 411 rotate connect in on the module support 13, lug 412 is located rotation portion 411 keeps away from the one end of module support 13, be equipped with the confession on the drain pan 11 slot hole 113 that rotation portion 411 passed, lug 412 contradicts the back of drain pan 11.

As can be seen from the above description, the module bracket 13 can be conveniently and quickly assembled to the bottom case 11 by the module quick lock 4.

Furthermore, a sealing element 5 is arranged between the module support 13 and the bottom shell 11, and the sealing element 5 is arranged around the long hole 113.

As can be seen from the above description, the sealing member 5 can prevent external moisture, dust, etc. from entering the LED display screen from the elongated hole 113 to cause damage to the internal circuit.

Further, the module bracket 13 is provided with a receiving groove 132 for receiving a partial area of the sealing element 5, the module bracket 13 is further provided with a positioning groove 133 communicated with a side surface of the receiving groove 132, and the sealing element 5 is provided with a positioning block 51 matched with the positioning groove 133.

As can be seen from the above description, the positioning block 51 and the positioning groove 133 cooperate to effectively increase the assembly speed and precision of the sealing element 5.

Further, the quick lock 4 of module still includes shutoff piece 42, the shape of shutoff piece 42 with slot hole 113's shape looks adaptation, shutoff piece 42 can dismantle connect in on the module support 13, just be equipped with on the shutoff piece 42 and be used for dodging rotation portion 411's breach 421.

As is apparent from the above description, the blocking member 42 blocking the elongated hole 113 can prevent the module holder 13 from being separated from the bottom case 11 due to the knob 41 being accidentally rotated.

Example one

Referring to fig. 1 to 9, a first embodiment of the present invention is: an LED display screen is applied to occasions such as a meeting place, a square or a meeting hall and the like to play video files.

The LED display screen comprises a bracket main body 1, splicing pieces 2 and a plurality of display modules 3, wherein the display modules 3 and the splicing pieces 2 are detachably arranged on the bracket main body 1; the splicing piece 2 is located on the inner side of the display module 3 and covers the gap between two adjacent display modules 3, and sealant is filled in the gap formed by the splicing piece 2 and the side faces of the two adjacent display modules 3. The edge of support main part 1 extends towards one side protrusion and forms the surrounding edge, the inward flange on surrounding edge is equipped with limit groove 111, display module 3's outward flange is located in the limit groove 111, display module 3's lateral surface with fill through sealed glue between the vertical face of limit groove 111. Specifically, the stent body 1 is in the shape of a rectangular shell with one open side. The display module 3 is rectangular; the display module 3 is loaded from the opening of the bracket main body 1, and a transparent plate for sealing the opening of the bracket main body 1 is further arranged on the LED display screen. The number of the display modules 3 may be set to two, three, or more; different display modules 3 can be set to different specifications. The back of support main part 1 still is equipped with waterproof cover, is equipped with the inlet wire on the support main part 1, and waterproof cover covers the inlet wire setting, is equipped with the waterproof line hole that supplies signal line and power cord to pass on the waterproof cover.

Preferably, as shown in fig. 2 and fig. 3, the support main body 1 includes a bottom shell 11 and an end cap 12, the bottom shell 11 is provided with a plurality of clamping grooves 112, the splicing member 2 is provided with hooks 21 matched with the clamping grooves 112, and the end cap 12 is detachably connected to the bottom shell 11 and seals two ends of the clamping grooves 112. Specifically, the plug 12 is screwed to the bottom case 11. The splicing pieces 2 are made of plastic materials with certain elasticity. The cross section in joint groove 112 is the type of protruding, and pothook 21 includes connecting portion and colludes the portion, and the one end of connecting portion links to each other with splice 2 main part, and the other end is towards the lateral buckling extension formation collude the portion, and connecting portion pass joint groove 112's open-top to the medial surface that makes collude portion and hang in joint groove 112. Each clamping groove 112 is correspondingly provided with two hooks 21, and hook portions of the two hooks 21 are respectively bent and extended towards two opposite sides. In the present embodiment, two clamping grooves 112 are spaced apart from each other and arranged in parallel on the bottom case 11, and in other embodiments, the number of the clamping grooves 112 may be one, three or more.

In this embodiment, the bottom case 11 is made of an aluminum profile. It is easy to understand, the coefficient of heat conductivity of aluminium material is higher, can make the LED display screen have better heat dispersion, and the aluminium material is not feared high temperature or low temperature, compares in the plastics material more durable.

Preferably, as shown in fig. 2 and 3, the support body 1 further includes a module support 13, the module support 13 is detachably connected to the bottom case 11, and the display module 3 is detachably connected to the module support 13. In this embodiment, the module bracket 13 is screwed to the bottom case 11; the display modules 3 are connected with the module supports 13 through screws, and the number of the display modules 3 corresponds to the number of the module supports 13 one by one.

Preferably, as shown in fig. 3, a first positioning structure 22 is disposed on the splicing element 2, and a second positioning structure 131 matched with the first positioning structure 22 is disposed on the module bracket 13. In this embodiment, positioning columns are respectively disposed on two sides of the splicing member 2, the positioning columns are the first positioning structures 22, positioning holes matched with the positioning columns are disposed on the adjacent module supports 13, and the positioning holes are the second positioning structures 131.

Preferably, as shown in fig. 7 to 9, in order to conveniently disassemble and assemble the module bracket 13, the LED display screen further includes a module quick lock 4, the module quick lock 4 includes a knob 41, the knob 41 includes a rotating portion 411 and a lug 412, the rotating portion 411 is rotatably connected to the module bracket 13, the lug 412 is disposed at one end of the rotating portion 411 away from the module bracket 13, the bottom case 11 is provided with a long hole 113 for the rotating portion 411 to pass through, and the lug 412 abuts against the back surface of the bottom case 11. Specifically, the end face of the rotating portion 411, which is far away from the splicing member 2, is further provided with a tool slot, such as a hexagonal groove, so that the rotating portion can be conveniently connected with an external bar-shaped tool to improve the rotating torque. When the module bracket 13 is assembled, the knob 41 on the module bracket 13 is aligned with the long hole 113 on the bottom shell 11, and the extending direction of the lug 412 is ensured to be parallel to the length direction of the long hole 113; the relative position of the module support 13 and the bottom case 11 can be limited by moving the module support 13 toward the direction close to the bottom case 11 until the lug 412 completely passes through the long hole 113; the knob 41 is rotated by the lug 412 or the external tool until the extending direction of the lug 412 intersects with the length direction of the long hole 113, so that the lug 412 abuts against the back surface of the bottom case 11, thereby preventing the module holder 13 from being separated from the bottom case 11. The module quick lock 4 can facilitate the screw connection of the module support 13 with the bottom case 11, or prevent the module support 13 from accidentally falling when it is detached. In this embodiment, each module bracket 13 is provided with two module quick locks 4.

Preferably, as shown in fig. 9, a sealing member 5 is disposed between the module bracket 13 and the bottom case 11, and the sealing member 5 is disposed around the elongated hole 113. The module support 13 is provided with a receiving groove 132 for receiving a partial area of the sealing element 5, the module support 13 is further provided with a positioning groove 133 communicated with the side surface of the receiving groove 132, and the sealing element 5 is provided with a positioning block 51 matched with the positioning groove 133. In this embodiment, the sealing member 5 is a silicone gasket.

Preferably, as shown in fig. 7 and 9, the module quick lock 4 further includes a blocking piece 42, the shape of the blocking piece 42 is matched with that of the long hole 113, the blocking piece 42 is detachably connected to the module bracket 13, and the blocking piece 42 is provided with a notch 421 for avoiding the rotating portion 411. Specifically, the long hole 113 and the plugging piece 42 are rhombic; the block piece 42 is screwed to the module carrier 13. After the module holder 13 is assembled with the bottom case 11, the rotating portion 411 is engaged into the notch 421 of the blocking member 42, the blocking member 42 and the elongated hole 113 are aligned, the blocking member 42 is inserted into the elongated hole 113 from the back surface of the bottom case 11, and the blocking member 42 and the module holder 13 are connected using screws, and then the knob 41 does not come off the elongated hole 113 even if the knob 41 is accidentally rotated such that the extending direction of the lugs 412 is parallel to the length direction of the elongated hole 113.

In conclusion, the support main body of the LED display screen provided by the invention can be used for splicing a plurality of display modules to form a large-size display screen, so that the transportation cost of the display modules is reduced, and when the display modules are damaged, only one damaged display module needs to be replaced, so that the later maintenance cost of the display screen is effectively reduced; the splice can form the seal groove with between two adjacent display module to it is sealed to conveniently beat to glue between two adjacent display module, guarantees the sealing performance of LED display screen after the concatenation is accomplished. The inner edge of the support main body and the outer edge of the display module are sealed by gluing, and external water vapor or dust and the like can be prevented from entering the LED display screen from the mounting gap between the support main body and the display module to cause circuit damage. The mounting mode of splices is simple convenient, and can be according to the specification and size random adjustment position of the display module who is used for the concatenation. The splicing piece is provided with a first positioning structure, and the module support is provided with a second positioning structure matched with the first positioning structure. The module support can be conveniently and quickly assembled on the bottom shell through the module quick lock. The sealing member can prevent external moisture or dust and the like from entering the LED display screen from the long hole to cause damage to an internal circuit. The positioning block is matched with the positioning groove, so that the assembly speed and the assembly precision of the sealing element can be effectively improved. The plugging piece plugging long hole can prevent the module support from being separated from the bottom shell due to accidental rotation of the knob.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. An LED display screen, its characterized in that: the display module and the splicing piece are detachably arranged on the bracket main body; the splicing piece is located on the inner side of the display module and covers the gap between two adjacent display modules, and a gap formed by the splicing piece and the side faces of the two adjacent display modules is filled with sealant.

2. The LED display screen of claim 1, wherein: the edge of support main part extends towards one side protrusion and forms the surrounding edge, the inward flange on surrounding edge is equipped with the limit groove, display module's outward flange is located the limit inslot, display module's lateral surface with fill through sealed glue between the vertical face in limit groove.

3. The LED display screen of claim 1, wherein: the support main body comprises a bottom shell and plugs, a plurality of clamping grooves are formed in the bottom shell, clamping hooks matched with the clamping grooves are arranged on the splicing pieces, and the plugs are detachably connected to the bottom shell and used for plugging two ends of the clamping grooves.

4. The LED display screen of claim 3, wherein: the bottom shell is made of aluminum profiles.

5. The LED display screen of claim 3, wherein: the support main part still includes module support, module support can dismantle connect in on the drain pan, display module with module support can dismantle the connection.

6. The LED display screen of claim 5, wherein: the module support is provided with a first positioning structure, and the module support is provided with a second positioning structure matched with the first positioning structure.

7. The LED display screen of claim 3, wherein: still include the module quick lock, the module quick lock includes the knob, the knob includes rotation portion and lug, rotation portion rotate connect in on the module support, the lug is located rotation portion keeps away from the one end of module support, be equipped with the confession on the drain pan the slot hole that rotation portion passed, the lug is contradicted the back of drain pan.

8. The LED display screen of claim 7, wherein: and a sealing element is arranged between the module bracket and the bottom shell and surrounds the long hole.

9. The LED display screen of claim 8, wherein: the module support is provided with a containing groove used for containing the partial area of the sealing element, the module support is further provided with a positioning groove communicated with the side surface of the containing groove, and the sealing element is provided with a positioning block matched with the positioning groove.

10. The LED display screen of claim 7, wherein: the quick module lock further comprises a plugging piece, the shape of the plugging piece is matched with that of the long hole, the plugging piece is detachably connected to the module support, and a notch for avoiding the rotating portion is formed in the plugging piece.