CN218886774U

CN218886774U - LED control box assembly and LED display device with same

Info

Publication number: CN218886774U
Application number: CN202222917519.9U
Authority: CN
Inventors: 黄金红
Original assignee: Glux Visual Effects Tech Shenzhen Co Ltd
Current assignee: Glux Visual Effects Tech Shenzhen Co Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-18
Anticipated expiration: 2032-11-02

Abstract

The utility model provides a LED control box subassembly and have its LED display device, LED control box subassembly sets up the rear side at the LED box, and LED control box subassembly includes: a control box main body; the adapter plate is arranged between the control box body and the LED box body, two ends of the adapter plate protrude out of the control box body, a first plug-in unit which is plugged into the control box body is arranged on the first side of the adapter plate, and a second plug-in unit which is plugged into the display module of the LED box body is arranged on the second side of the adapter plate; the adapter plate is arranged in the connecting cover plate, and the connecting cover plate is connected with the LED box body and the control box body respectively. The technical scheme of this application can solve the big, many problems of consumptive material of LED control box subassembly weight among the correlation technique effectively.

Description

LED control box assembly and LED display device with same

Technical Field

The utility model relates to a LED shows technical field, particularly, relates to a LED control box subassembly and have its LED display device.

Background

In the correlation technique, LED display device generally includes the LED box and sets up the LED control box subassembly at LED box rear side, is provided with signal board and power in the LED control box subassembly, and the LED box generally includes a plurality of display module assembly, and LED control box subassembly needs to be connected with every display module assembly plug-in connection in order to transmit electric energy and control signal to LED display module assembly.

In order to guarantee that the LED control box assembly can be connected with each display module in an opposite inserting mode, the LED control box assembly generally needs to be arranged to be large, so that the weight of the LED control box assembly is large, and consumable materials are high.

For example, utility model patent No. 202220859585.2 provides a display module assembly, display screen box and display screen. Wherein, a display box body includes four display module assembly (four display module assembly arrange with 2 x 2's form), every display module assembly's rear side all is provided with two module signal interface, and the power pack sets up the rear side at the display screen box, and in order to realize the plug-in connection between power pack and four display module assembly, the power pack need all cover four adjacent module signal interface of four display module assembly (other four module signal interface are idle), and consequently, the power pack need set up great.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a LED control box assembly and LED display device having the same to solve the problems of heavy weight and high material consumption of the LED control box assembly in the related art.

In order to achieve the above object, according to the utility model discloses an aspect provides a LED control box subassembly, sets up the rear side at the LED box, and the LED control box subassembly includes: a control box main body; the adapter plate is arranged between the control box body and the LED box body, two ends of the adapter plate protrude out of the control box body, a first plug-in unit which is plugged into the control box body is arranged on the first side of the adapter plate, and a second plug-in unit which is plugged into the display module of the LED box body is arranged on the second side of the adapter plate; the adapter plate is arranged in the connecting cover plate, and the connecting cover plate is connected with the LED box body and the control box body respectively.

Further, the connecting cover plate is made of plastic materials.

Furthermore, connect the apron and include the bottom plate and enclose the bounding wall of establishing in the bottom plate periphery and extending towards the LED box, the keysets sets up in the accommodation space that bottom plate and bounding wall formed, is provided with on the bottom plate and dodges the mouth of dodging of first a pair of plug-in components.

Further, the LED control box assembly further comprises a gland connected to the connecting cover plate, and the adapter plate is clamped between the gland and the connecting cover plate.

Furtherly, the gland corresponds the setting with the second to the plug-in components, and the gland includes the clamp plate, is provided with the via hole that supplies the second to the plug-in components to pass on the clamp plate, and the gland still including set up in via hole department and towards the plug-in ring board of display module extension.

Furthermore, a plurality of first counter sinks are arranged on the enclosing plate corresponding to the second pair of plug-in units, the connecting cover plate is connected with the bottom shell and/or the display module of the LED box body through the first fasteners penetrating through the first counter sinks, the first counter sinks penetrate through the enclosing plate, the large-diameter section of the first counter sinks is located on one side, away from the LED box body, of the enclosing plate, and the first counter sinks are located on two sides of the second pair of plug-in units.

Furthermore, a plurality of first connecting holes are formed in the pressing plate, a plurality of second connecting holes which correspond to the first connecting holes one to one are formed in the bottom plate, the pressing cover is connected with the connecting cover plate through second fasteners penetrating through the first connecting holes and the second connecting holes, the first connecting holes penetrate through the pressing plate, and the first connecting holes are located on two sides of the second plug-in unit in the length direction; and/or the opposite insert ring plate protrudes out of the second pair of inserts.

Furthermore, a positioning bulge is arranged on the bottom plate, a positioning hole is arranged on the adapter plate, and the positioning bulge is arranged in the positioning hole in a penetrating manner; and/or, the control box subassembly is still including setting up in accommodation space and enclosing the sealing glue layer of establishing in the opposite insertion ring board periphery, and sealing glue layer is located the adapter plate and keeps away from one side of control box main part, is provided with the sealing washer in the opposite insertion ring board, sealing washer and the internal surface butt cooperation of opposite insertion ring board.

Furthermore, a plurality of second counter bores are formed in the position, corresponding to the first pair of plug-in units, of the enclosing plate, the connecting cover plate is connected with the control box main body through third fasteners penetrating through the second counter bores, the second counter bores penetrate through the enclosing plate, the large-diameter sections of the second counter bores are located on one side, away from the control box main body, of the enclosing plate, and the plurality of second counter bores are formed in two sides of the first pair of plug-in units; the bottom plate is provided with a plurality of third counter bores, the adapter plate is provided with a plurality of third connecting holes corresponding to the third counter bores one to one, the adapter plate is connected with the bottom plate through a fourth fastener penetrating through the third counter bores and the third connecting holes, the third counter bores penetrate through the bottom plate, a large-diameter section of each third counter bore is located on one side, away from the adapter plate, of the bottom plate, and the third counter bores are located on two sides of the first pair of plug-in components in the length direction.

According to the utility model discloses an on the other hand provides a LED display device, including the LED box and set up the LED control box subassembly at LED box rear side, the LED control box subassembly is foretell LED control box subassembly.

Use the technical scheme of the utility model, LED control box subassembly includes the control box main part and connects in the control box main part and both ends protrusion in the keysets of control box main part, set up on the keysets and to inserting the first plug-in components of being connected and to inserting the second plug-in components of being connected with display module group with the control box main part, when realizing that the control box main part transmits electric energy and control signal to display module group, also can set up the control box main part less, and then reduce the volume and the consumptive material of whole LED control box subassembly. In addition, the LED control box assembly further comprises a connecting cover plate connected with the LED box body and the control box body respectively, the adapter plate is arranged in the connecting cover plate, namely the adapter plate is connected between the control box body and the LED box body through the connecting cover plate, and the number of connecting structures arranged on the adapter plate can be reduced. Therefore, the technical scheme of the application can effectively solve the problems that the LED control box assembly in the related art is heavy in weight and high in consumable material.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an exploded view of a part of an embodiment of an LED control box assembly according to the present invention;

FIG. 2 shows an enlarged view of a portion of the structure of the LED control box assembly of FIG. 1;

FIG. 3 shows a schematic view of another angular exploded view of the LED control box assembly of FIG. 1;

FIG. 4 shows a schematic cross-sectional view of a portion of the structure of the LED control box assembly of FIG. 1;

fig. 5 shows a schematic perspective view of an embodiment of an LED display device according to the present invention; and

fig. 6 is a schematic perspective view of the LED display device of fig. 5 at another angle.

Wherein the figures include the following reference numerals:

10. an LED box body; 11. a display module; 12. a bottom case; 20. a control box main body; 30. an adapter plate; 31. a first pair of inserts; 32. a second pair of inserts; 33. positioning holes; 34. a third connecting hole; 40. connecting the cover plate; 41. a base plate; 411. avoiding the mouth; 412. a second connection hole; 413. positioning the projection; 414. a third counterbore; 42. enclosing plates; 421. a first counter sink; 422. a second counterbore; 50. a gland; 51. pressing a plate; 511. a via hole; 512. a first connection hole; 52. and a plug ring plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 6, the present application provides an LED control box assembly disposed at a rear side of an LED housing 10, the LED control box assembly of the present embodiment includes: a control box main body 20, an adapter plate 30, and a connection cover plate 40. The adapter plate 30 is arranged between the control box main body 20 and the LED box body 10, two ends of the adapter plate 30 protrude out of the control box main body 20, a first pair of plug-in units 31 which are oppositely inserted into the control box main body 20 are arranged on the first side of the adapter plate 30, and a second pair of plug-in units 32 which are oppositely inserted into the display module 11 of the LED box body 10 are arranged on the second side of the adapter plate 30; the adapter plate 30 is arranged in the connecting cover plate 40, and the connecting cover plate 40 is respectively connected with the LED box body 10 and the control box main body 20.

Use the technical scheme of this embodiment, LED control box subassembly includes control box main part 20 and connects on control box main part 20 and both ends protrusion in control box main part 20's keysets 30, set up on the keysets 30 with control box main part 20 to the first pair of plug-in components 31 of plug-in connection and with display module assembly 11 to the second pair of plug-in components 32 of plug-in connection, when realizing that control box main part 20 transmits electric energy and control signal to display module assembly 11, also can set up control box main part 20 less, and then reduce the volume and the consumptive material of whole LED control box subassembly. In addition, the LED control box assembly further includes a connection cover plate 40 connected with the LED box body 10 and the control box body 20, respectively, and the adapter plate 30 is disposed in the connection cover plate 40, that is, the adapter plate 30 is connected between the control box body 20 and the LED box body 10 through the connection cover plate 40, so that the number of connection structures disposed on the adapter plate 30 can be reduced, and the damage to the adapter plate 30 is reduced. Therefore, the technical scheme of this embodiment can solve the problem that LED control box subassembly weight is big among the correlation technique, the consumptive material is many effectively.

Specifically, the LED control box assembly of the present embodiment is applied to a step-on display device on which a viewer can move. A first row of pins is arranged on the display module 11, the second pair of plug-in components 32 is a first row of bus, and the first row of pins and the first row of bus are connected in a plug-in manner; the control box main body 20 is provided with a second row of pins, the first plug-in unit 31 is a second row of female pins, and the second row of pins and the second row of female pins are connected in an inserted manner.

In the scheme of utility model patent with application number 202220859585.2, in order to reduce the volume of power pack, every display module's rear side all is provided with two module signal interface, and two module signal interface all can be connected with the power pack. Specifically, one of the module signal interfaces is used for being connected with the power box when the power box is assembled, and the other module signal interface is idle. In this embodiment, due to the arrangement of the adapter plate 30, only one first row of pins needs to be arranged on each display module 11, so that the number of the first row of pins that needs to be arranged is reduced, and the cost is reduced.

The interposer 30 is provided with a first pair of inserts 31 and a second pair of inserts 32 and an electric circuit connected between the first pair of inserts 31 and the second pair of inserts 32, and a substrate thereof is made of a material (e.g., resin) which is not easily deformed and hardly restored after deformation, i.e., is poor in elasticity. When the viewer moves on the pedal type display device, downward pressure can be applied to the pedal type display device, the LED box body 10 is stressed to deform, correspondingly, the adapter plate 30 also can deform, after the force applied to the LED box body 10 is removed, the LED box body 10 can rebound, the adapter plate 30 is difficult to rebound along with the LED box body 10 by the elastic performance of the adapter plate 30, virtual connection is easily generated between the display module 11 and the adapter plate 30, and therefore abnormal display caused by poor contact of the display module 11 cannot be achieved. In the present embodiment, the connection cover 40 is made of plastic material. The plastic material has certain elasticity performance, bears the pressure of certain within range and can kick-back to original position after this pressure is unloaded, when connecting cover plate 40 and taking place to kick-back, also can drive keysets 30 and resume to original position and form, guarantees the stability of the plug connection between keysets 30 and the display module assembly 11, guarantees that the signal can normally transmit.

As shown in fig. 1 and 3, the connection cover plate 40 includes a bottom plate 41 and a surrounding plate 42 surrounding the bottom plate 41 and extending toward the LED housing 10, the adapter plate 30 is disposed in the accommodating space formed by the bottom plate 41 and the surrounding plate 42, and the bottom plate 41 is provided with a bypass opening 411 for bypassing the first pair of inserts 31. The connection cover plate 40 can cover the adapter plate 30 to prevent the adapter plate 30 from being exposed outside, and the function of protecting the adapter plate 30 is achieved.

As shown in fig. 1 to 4, in the present embodiment, the LED control box assembly further includes a pressing cover 50 connected to the connection cover plate 40, and the adapter plate 30 is sandwiched between the pressing cover 50 and the connection cover plate 40. The adapter plate 30 is fixed in the connection cover plate 40 by the gland 50, so that the number of connection structures arranged on the adapter plate 30 can be reduced, and the damage to the adapter plate 30 can be reduced.

As shown in fig. 1 to 4, the pressing cover 50 is disposed corresponding to the second pair of inserts 32, the pressing cover 50 includes a pressing plate 51, a through hole 511 for the second pair of inserts 32 to pass through is disposed on the pressing plate 51, and the pressing cover 50 further includes an opposite insertion ring plate 52 disposed at the through hole 511 and extending toward the display module 11. The gland 50 is arranged corresponding to the second pair of inserts 32, and a gland structure with the cross section area equivalent to that of the adapter plate 30 is not required, so that the material consumption of the gland 50 is reduced while the fixing effect on the adapter plate 30 is ensured. When the LED control box assembly is connected to the LED box, the plug ring plate 52 can be inserted into the plug hole of the display module 11.

As shown in fig. 1 to 6, a plurality of first countersunk holes 421 are provided on the enclosing plate 42 corresponding to the second pair of inserts 32, the connecting cover plate 40 is connected to the bottom case 12 and the display module 11 of the LED box 10 by first fasteners penetrating through the first countersunk holes 421, the first countersunk holes 421 penetrate through the enclosing plate 42, a major-diameter section of the first countersunk holes 421 is located on one side of the enclosing plate 42 away from the LED box 10, and the plurality of first countersunk holes 421 are located on two sides of the second pair of inserts 32. In particular, the first fastener may be a screw. Set up first counter sink 421 and set up first fastener in first counter sink 421 in the both sides of second to plug-in components 32 and realize being connected between connection cover plate 40 and display module assembly 11 and the drain pan 12, can guarantee effectively that the second is to plug-in connections's between plug-in components 32 and the display module assembly 11 stability, and then guarantee signal transmission's stability.

In the embodiment, the first fastening member is connected to both the display module 11 and the bottom case 12, and in the embodiment not shown in the figure, the first fastening member may be connected to only the display module or only the bottom case.

As shown in fig. 1 to 4, the pressing plate 51 is provided with a plurality of first connection holes 512, the bottom plate 41 is provided with a plurality of second connection holes 412 corresponding to the plurality of first connection holes 512 one by one, the pressing cover 50 is connected to the connection cover plate 40 by second fasteners penetrating through the first connection holes 512 and the second connection holes 412, the first connection holes 512 penetrate through the pressing plate 51, and the plurality of first connection holes 512 are located at two sides of the second pair of insertion members 32 in the length direction. In particular, the second fastener may be a screw. The first connection hole 512 and the second connection hole 412 are formed at both sides of the second pair of inserts 32 in the length direction, and the second fastening member is formed in the first connection hole 512 and the second connection hole 412, so that it can be ensured that the adaptor plate 30 is firmly fixed in the connection cover plate 40.

As shown in fig. 4, the pair of insert ring plates 52 project from the second pair of inserts 32. The collar plate 52 effectively protects the second pair of inserts 32.

As shown in fig. 1, 2 and 4, the bottom plate 41 is provided with a positioning protrusion 413, the adapter plate 30 is provided with a positioning hole 33, and the positioning protrusion 413 is inserted into the positioning hole 33. When carrying out the equipment of LED control box subassembly, can realize the preliminary location of the two through the counterpoint connection between location arch 413 and the locating hole 33 earlier, later rethread second fastener is fixed fishplate bar 30, has easy operation's advantage.

In this embodiment, the control box subassembly is still including setting up in accommodation space and enclosing the sealant layer of establishing in the periphery of inserting the ring board 52, and the sealant layer is located the one side that the adapter plate 30 kept away from control box main part 20, is provided with the sealing washer in inserting the ring board 52, sealing washer and the cooperation of inserting the internal surface butt of ring board 52. The sealing adhesive layer covers the surface of the adapter plate 30 facing the display module 11, so that a waterproof effect can be achieved, and the adapter plate 30 can be protected. The first row of needle periphery on the display module assembly 11 also is provided with to inserting the bounding wall, and the sealing washer is located to inserting the bounding wall 52 in and with the cooperation of the internal surface butt of inserting the bounding wall 52, is connected the back when LED control box subassembly and LED box 10, and the sealing washer cooperates with the surface butt of inserting the bounding wall, plays water-proof effects, can protect the first row of needle on the display module assembly 11 and the first row mother on the keysets 30 effectively. Correspondingly, a sealing ring is arranged on the connecting cover plate 40 corresponding to the position of the avoiding opening 411, so as to realize waterproof connection between the connecting cover plate 40 and the control box main body 20.

Specifically, after the connection cover plate 40, the adapter plate 30 and the gland 50 are assembled together, liquid silicone gel is poured into the accommodation space, and the sealing adhesive layer is formed after the liquid silicone gel is solidified.

As shown in fig. 1 and 3, a plurality of second counter-sunk holes 422 are formed in the shroud plate 42 corresponding to the first pair of inserts 31, the connecting cover plate 40 is connected with the control box main body 20 through third fasteners penetrating through the second counter-sunk holes 422, the second counter-sunk holes 422 penetrate through the shroud plate 42, the large-diameter section of the second counter-sunk holes 422 is located on one side of the shroud plate 42 away from the control box main body 20, and the plurality of second counter-sunk holes 422 are formed in two sides of the first pair of inserts 31; a plurality of third counter bores 414 are formed in the bottom plate 41, a plurality of third connecting holes 34 corresponding to the plurality of third counter bores 414 one to one are formed in the adapter plate 30, the adapter plate 30 is connected with the bottom plate 41 through fourth fasteners penetrating through the third counter bores 414 and the third connecting holes 34, the third counter bores 414 penetrate through the bottom plate 41, the large-diameter section of the third counter bores 414 is located on one side, away from the adapter plate 30, of the bottom plate 41, and the plurality of third counter bores 414 are located on two sides of the first pair of plug-in components 31 in the length direction. In particular, the third and fourth fasteners may each be a screw. The third fastening piece and the fourth fastening piece are arranged on the periphery of the first plug-in unit 31, so that the part, on the adapter plate 30, of the first plug-in unit 31 is fixedly connected with the connecting cover plate 40, the part, corresponding to the first plug-in unit 31, of the connecting cover plate 40 is fixedly connected with the control box main body 20, the stability of plug-in connection between the first plug-in unit 31 and the control box main body 20 is further guaranteed, and the stability of signal transmission is further guaranteed.

The application also provides an LED display device, which comprises an LED box body 10 and an LED control box assembly arranged at the rear side of the LED box body 10, wherein the LED control box assembly is the LED control box assembly. The LED control box assembly can effectively solve the problems of heavy weight and more material consumption of the LED control box assembly in the related art, and the LED display device with the LED control box assembly also has the advantages.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a LED control box subassembly, sets up the rear side at LED box (10), its characterized in that, LED control box subassembly includes:

a control box main body (20);

the adapter plate (30) is arranged between the control box main body (20) and the LED box body (10), two ends of the adapter plate (30) protrude out of the control box main body (20), a first pair of plug-in units (31) which are oppositely plugged with the control box main body (20) are arranged on the first side of the adapter plate (30), and a second pair of plug-in units (32) which are oppositely plugged with the display module (11) of the LED box body (10) are arranged on the second side of the adapter plate (30);

the LED box body is characterized by comprising a connecting cover plate (40), wherein the adapter plate (30) is arranged in the connecting cover plate (40), and the connecting cover plate (40) is respectively connected with the LED box body (10) and the control box body (20).

2. The LED control box assembly of claim 1, characterized in that the connection cover plate (40) is made of a plastic material.

3. The LED control box assembly according to claim 1, wherein the connection cover plate (40) comprises a bottom plate (41) and a surrounding plate (42) surrounding the periphery of the bottom plate (41) and extending towards the LED box body (10), the adapter plate (30) is arranged in a containing space formed by the bottom plate (41) and the surrounding plate (42), and an avoiding opening (411) for avoiding the first pair of plug-in components (31) is arranged on the bottom plate (41).

4. The LED control box assembly according to claim 3, further comprising a press cover (50) attached to the connection cover plate (40), wherein the adapter plate (30) is sandwiched between the press cover (50) and the connection cover plate (40).

5. The LED control box assembly according to claim 4, wherein the pressing cover (50) is disposed corresponding to the second pair of inserts (32), the pressing cover (50) comprises a pressing plate (51), a through hole (511) for passing the second pair of inserts (32) is disposed on the pressing plate (51), and the pressing cover (50) further comprises a pair of insert ring plates (52) disposed at the through hole (511) and extending towards the display module (11).

6. The LED control box assembly according to claim 5, wherein a plurality of first counter bores (421) are provided on the enclosure (42) corresponding to the second pair of inserts (32), the connecting cover plate (40) is connected to the bottom case (12) of the LED box (10) and/or the display module (11) through first fasteners penetrating through the first counter bores (421), the first counter bores (421) penetrate through the enclosure (42) and a large diameter section of the first counter bores (421) is located on one side of the enclosure (42) far away from the LED box (10), and the plurality of first counter bores (421) are located on two sides of the second pair of inserts (32).

7. The LED control box assembly according to claim 5 or 6,

the pressing plate (51) is provided with a plurality of first connecting holes (512), the bottom plate (41) is provided with a plurality of second connecting holes (412) corresponding to the first connecting holes (512) one by one, the gland (50) is connected with the connecting cover plate (40) through second fasteners penetrating through the first connecting holes (512) and the second connecting holes (412), the first connecting holes (512) penetrate through the pressing plate (51), and the first connecting holes (512) are positioned on two sides of the second pair of plug-in units (32) in the length direction; and/or the presence of a gas in the atmosphere,

the pair of insert ring plates (52) protrude from the second pair of inserts (32).

8. The LED control box assembly of claim 5 or 6,

a positioning bulge (413) is arranged on the bottom plate (41), a positioning hole (33) is arranged on the adapter plate (30), and the positioning bulge (413) penetrates through the positioning hole (33); and/or the presence of a gas in the gas,

the control box subassembly is still including setting up in the accommodation space and enclose and establish the sealing glue layer to collar plate (52) periphery, sealing glue layer is located adaptor plate (30) is kept away from one side of control box main part (20), be provided with the sealing washer in collar plate (52), the sealing washer with the cooperation of the internal surface butt of collar plate (52).

9. The LED control box assembly of any one of claims 3 to 6,

a plurality of second counter bores (422) are arranged on the coaming plate (42) corresponding to the first pair of inserts (31), the connecting cover plate (40) is connected with the control box main body (20) through third fasteners penetrating into the second counter bores (422), the second counter bores (422) penetrate through the coaming plate (42), the large-diameter sections of the second counter bores (422) are located on one side, away from the control box main body (20), of the coaming plate (42), and the second counter bores (422) are arranged on two sides of the first pair of inserts (31);

be provided with a plurality of third counter sink (414) on bottom plate (41), be provided with on keysets (30) with a plurality of third connecting hole (34) of third counter sink (414) one-to-one, keysets (30) through wearing to locate third counter sink (414) with the fourth fastener of third connecting hole (34) with bottom plate (41) are connected, third counter sink (414) run through bottom plate (41) just the major diameter section of third counter sink (414) is located bottom plate (41) is kept away from one side of keysets (30), and is a plurality of third counter sink (414) is located the ascending both sides of first pair of plug-in components (31) length direction.

10. An LED display device comprising an LED housing (10) and an LED control box assembly disposed at a rear side of the LED housing (10), wherein the LED control box assembly is the LED control box assembly of any one of claims 1 to 9.