CN113539133B - LED transparent hard film screen and manufacturing process thereof - Google Patents
LED transparent hard film screen and manufacturing process thereof Download PDFInfo
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- CN113539133B CN113539133B CN202110866391.5A CN202110866391A CN113539133B CN 113539133 B CN113539133 B CN 113539133B CN 202110866391 A CN202110866391 A CN 202110866391A CN 113539133 B CN113539133 B CN 113539133B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 210000001951 dura mater Anatomy 0.000 claims abstract description 5
- 229920002799 BoPET Polymers 0.000 claims description 16
- 238000005476 soldering Methods 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000002834 transmittance Methods 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
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Abstract
The utility model provides a transparent dura mater screen of LED and manufacturing process thereof, the power pack of this transparent dura mater screen of LED includes the bottom, the bottom includes the bottom plate, the bottom plate upper surface is equipped with first curb plate and second curb plate respectively along its width direction's both sides, the top of first curb plate is equipped with the connecting plate with the opposite side of second curb plate, one side edge that first curb plate was kept away from to the connecting plate is crooked downwards, the last rotation of second curb plate is equipped with the preceding shell, preceding shell includes first rotor plate, one side that second curb plate was kept away from to first rotor plate is equipped with the second rotor plate, the second rotor plate bottom is equipped with switch base along its length direction's both sides respectively, the both sides of connecting plate are equipped with the dodge mouth with the switch base adaptation respectively, switch base has the bolt that extends to insert to establish in the connecting plate bottom, in order to lock preceding shell and bottom, the bolt cover is equipped with return spring, the push rod can promote the bolt to pull out from the connecting plate bottom, in order to unlock preceding shell and bottom. The utility model has the advantages of simple structure, ultra-thin and ultra-light structure, high light transmittance, convenient installation, flexible and changeable shape, and the like.
Description
Technical Field
The utility model relates to the technical field of perspective screens, in particular to an LED transparent hard film screen and a manufacturing process thereof.
Background
The current transparent dura mater screen of LED, its power pack is fixed setting on the screen body module usually, and the power pack is overall structure, when needs maintenance, can't directly open the power pack and maintain, the power pack is fixed setting on the screen body module simultaneously, this kind of undetachable assembly method, make the power pack unable dismantlement, be inconvenient for the maintenance, the degree of difficulty of maintenance has further been increased, still need additionally install cooling device simultaneously, in addition, the screen body module of transparent dura mater screen of LED adopts the combination mode of ya keli board centre gripping lamp plate usually, make its wholeness can be poor, the permeability is not high, the printing opacity effect is not good.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the LED transparent hard film screen and the manufacturing process thereof, wherein the power supply box of the LED transparent hard film screen is arranged on the screen body module in an openable and detachable way, so that the maintenance is convenient, meanwhile, the screen body module adopts a modularized design, the installation is convenient, the shape is flexible and changeable, the light transmittance and the permeability are improved, and the power supply box is provided with radiating fins without additional installation of radiating equipment.
The utility model is realized in such a way, on the one hand, the utility model provides an LED transparent hard film screen, comprising a screen body module and a power supply box arranged on one side of the back surface of the screen body module, wherein the screen body module comprises a transparent bottom shell, a lamp plate assembly, a lamp protection plate and a PET film, the lamp plate assembly, the lamp protection plate and the PET film are sequentially arranged on the transparent bottom shell from bottom to top, the lamp plate assembly comprises a first lamp plate and a second lamp plate, the first lamp plate and the second lamp plate are fixedly connected together through a lamp plate connector soldering tin, the power supply box comprises a U-shaped bottom cover, the bottom cover comprises a bottom plate arranged on the screen body module, a first side plate and a second side plate are respectively arranged on two sides of the upper surface of the bottom plate along the width direction, a connecting plate is arranged on one side of the top of the first side plate opposite to the second side plate, one side edge of the connecting plate far away from the first side plate is bent downwards, the second side plate is rotatably provided with an L-shaped front shell, the front shell comprises a first rotating plate which is arranged on the second side plate and can rotate around the second side plate, one side of the first rotating plate, which is far away from the second side plate, is provided with a second rotating plate which can be buckled on the connecting plate or separated from the connecting plate, two sides of the bottom of the second rotating plate along the length direction of the bottom of the second rotating plate are respectively provided with a switch base, two sides of the connecting plate are respectively provided with an avoidance opening which is matched with the switch base, the switch base is provided with a mounting hole along the length direction of the switch base, a bolt is inserted in the mounting hole, the bolt extends and is inserted at the bottom of the connecting plate so as to lock the front shell and the bottom cover together, the bolt is provided with a push rod, the other end of the bolt is sleeved with a return spring, the switch base is provided with a sliding hole penetrating through the upper surface and the lower surface of the switch base, the push rod is arranged in the sliding hole in a sliding mode, and the push rod can push the bolt to be pulled out from the bottom of the connecting plate so as to unlock the front shell and the bottom cover.
Further, two ends of one side of the second side plate opposite to the first rotating plate are respectively provided with a first rotating shaft hole, two ends of one side of the first rotating plate opposite to the second side plate are respectively provided with a second rotating shaft hole coaxial with the first rotating shaft holes, the two second rotating shaft holes are respectively arranged between the two first rotating shaft holes, a rotating pin is respectively inserted between the first rotating shaft holes and the adjacent second rotating shaft holes, and the first rotating plate can rotate relative to the second side plate through the cooperation of the rotating pin, the first rotating shaft holes and the second rotating shaft holes. The first rotating plate and the second rotating plate are respectively provided with a first rotating shaft hole at two ends at one side opposite to each other, the second side plate and the first rotating plate are respectively provided with a second rotating shaft hole coaxial with the first rotating shaft holes and two second rotating shaft holes are respectively arranged between the two first rotating shaft holes, a rotating pin is respectively inserted between the first rotating shaft holes and the adjacent second rotating shaft holes, and the first rotating plate can rotate relative to the second side plate through the matching of the rotating pin, the first rotating shaft holes and the second rotating shaft holes.
Further, still be equipped with power, HUB mainboard and keysets in the power pack, HUB mainboard bottom is equipped with a plurality of HUB mainboard connectors, be equipped with on the lamp plate with HUB mainboard connector grafting complex lamp plate connector, the bottom plate is equipped with dodges a plurality of HUB mainboard connector dodge the hole.
Further, two sides of the bottom cover are respectively provided with an end cover.
Further, a plurality of first cooling fins are arranged at the top of the second rotating plate at intervals in sequence.
Further, a plurality of second cooling fins which are sequentially arranged at intervals are arranged on the outer side wall of the first side plate.
On the other hand, the manufacturing process of the LED transparent hard film screen comprises the following steps of:
(1) Acquiring a transparent bottom shell, a first lamp panel, a second lamp panel, a protective lamp sheet and a PET film;
(2) The first lamp panel and the second lamp panel are fixedly connected together through a lamp panel connector by soldering tin, so that a lamp panel assembly is manufactured;
(3) The lamp protection sheet is arranged on the first lamp panel, and the lamp panel assembly is arranged in the transparent bottom shell;
(4) Disposing the PET film on the lamp panel assembly;
(5) Inserting the HUB mainboard plug connector on the bottom of the HUB mainboard in the lower cover and the lamp panel plug connector on the first lamp panel together, and fixing the lower cover on the transparent bottom shell through screws;
(6) The upper shell is respectively and rotatably arranged on the lower cover, the upper shell is rotatably buckled on the lower cover, and the upper shell and the lower cover can be locked together, so that the assembly of the power supply box is completed, and the LED transparent hard film screen is prepared.
Further, the thicknesses of the first lamp panel and the second lamp panel are 0.6-1.0mm.
Further, the transparent bottom shell is made of transparent PC.
The utility model has the beneficial effects that: the utility model provides an LED transparent hard film screen and a manufacturing process thereof, the LED transparent hard film screen comprises a screen body module and a power supply box arranged at one side of the back of the screen body module, the screen body module comprises a transparent bottom shell, a lamp plate assembly, a lamp protection plate and a PET film, the lamp plate assembly, the lamp protection plate and the PET film are sequentially arranged on the transparent bottom shell from bottom to top, the lamp plate assembly comprises a first lamp plate and a second lamp plate, the first lamp plate and the second lamp plate are fixedly connected together through a lamp plate connector soldering tin, the power supply box comprises a U-shaped bottom cover, the bottom cover respectively comprises a bottom plate arranged at the screen body module, the two sides of the upper surface of the bottom plate along the width direction are respectively provided with a first side plate and a second side plate, the opposite sides of the top of the first side plate and the second side plate are provided with a connecting plate, one side edge of the connecting plate far away from the first side plate is bent downwards, the second side plate is rotationally provided with an L-shaped front shell, the front shell comprises a first rotating plate which is arranged on a second side plate and can rotate around the second side plate, one side of the first rotating plate, which is far away from the second side plate, is provided with a second rotating plate which can be buckled on a connecting plate or separated from the connecting plate, the two sides of the bottom of the second rotating plate along the length direction of the second rotating plate are respectively provided with a switch base, the connecting plate is respectively provided with an avoidance opening which is matched with the switch base, the switch base is provided with a mounting hole along the length direction of the switch base, a bolt is inserted in the mounting hole, the bolt is extended and inserted at the bottom of the connecting plate so as to lock the front shell and the bottom cover together, a push rod is arranged on the bolt, the other end of the bolt is sleeved with a return spring, the switch base is provided with a slide hole which penetrates through the upper surface and the lower surface of the switch base, the push rod is arranged in the slide hole in a slide way, the push rod can push the bolt is pulled out from the bottom of the connecting plate so as to unlock the front shell and the bottom cover, therefore, the front shell can rotate relative to the bottom cover so as to lock the front shell on the bottom cover or separate the front shell from the bottom cover, so that the power box is opened or closed, and the power box is convenient to maintain.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an LED transparent hard film screen according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic diagram of a screen module of an LED transparent hard film screen according to an embodiment of the present utility model;
FIG. 4 is a diagram illustrating a structure of a lamp panel of an LED transparent hard film screen according to an embodiment of the present utility model;
FIG. 5 is an enlarged schematic view of FIG. 4 at B;
fig. 6 is a schematic diagram of the overall structure of a power supply box of the LED transparent hard film screen according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a bottom cover of a power supply box of the LED transparent hard film screen according to an embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a front case of a power supply box of the LED transparent hard film screen according to an embodiment of the present utility model;
fig. 9 is a schematic diagram of another overall structure of a power supply box of the LED transparent hard film screen according to an embodiment of the present utility model;
fig. 10 is a schematic structural view of another angle of the bottom cover of the power box of the LED transparent hard film screen according to an embodiment of the present utility model;
FIG. 11 is an enlarged schematic view of FIG. 10 at C;
FIG. 12 is an enlarged schematic view of FIG. 10 at D;
fig. 13 is a schematic structural diagram of a switch base of an LED transparent hard film screen according to an embodiment of the present utility model.
FIG. 14 is a cross-sectional view of a switch base of a power box of an LED transparent hard film screen according to an embodiment of the present utility model;
fig. 15 is a flowchart of a process for manufacturing an LED transparent hard mask according to an embodiment of the present utility model.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 14, the LED transparent hard film screen provided in the embodiment of the present utility model includes a screen module 10 and a power box 20 disposed on a back side of the screen module 10, the power box 20 includes a U-shaped bottom cover 21, the bottom cover 21 includes a bottom plate 211 disposed on the screen module 10, two sides of an upper surface of the bottom plate 211 along a width direction thereof are respectively provided with a first side plate 212 and a second side plate 213, a side opposite to the second side plate 213 on a top of the first side plate 212 is provided with a connection plate 215, an edge of the connection plate 215 far from the first side plate 212 is disposed in a downward bending and extending manner, the second side plate 213 is rotatably provided with an L-shaped front housing 22, the front housing 22 includes a first rotation plate 221 disposed on the second side plate 213 and rotatable around the second side plate 213, a top of the first side plate 212 is higher than a top of the second side plate 213, the first rotating plate 221 is convenient to rotate around the second side plate 213, a second rotating plate 222 which can be buckled on the connecting plate 215 or separated from the connecting plate 215 is arranged at one side of the first rotating plate 221 away from the second side plate 213, a switch base 23 is respectively arranged at two sides of the bottom of the second rotating plate 222 along the length direction, a avoidance opening 216 which is matched with the switch base 23 is respectively arranged at two sides of the connecting plate 215, a mounting hole 231 is arranged on the switch base 23 along the length direction, a bolt 232 is inserted in the mounting hole 231, and as one side edge of the connecting plate 215 away from the first side plate 212 is downwards bent and extended, an accommodating space is formed between the connecting plate 215 and the first side plate 212, the bolt 232 is extended and inserted at the bottom of the connecting plate 215, that is, the latch 232 is extended and inserted into the accommodating space formed between the connecting plate 215 and the first side plate 212, so as to lock the front housing 21 and the bottom cover 22 together, a push rod 233 is disposed on the latch 232, a return spring 234 is sleeved at the other end of the latch 232, a sliding hole 235 penetrating the upper surface and the lower surface of the switch base 23 is disposed on the switch base 23, the push rod 233 is slidably disposed in the sliding hole 235, a avoidance hole (not labeled in the drawing) for avoiding the push rod 233 is disposed on the second rotating plate 222, the push rod 233 can push the latch 232 to be pulled out from the bottom of the connecting plate 215, so as to unlock the front housing 21 and the bottom cover 22, in this way, the front housing 21 can rotate relative to the bottom cover 22, so as to lock the front housing 21 on the bottom cover 22, or separate the front housing 21 and the bottom cover 22, thereby realizing opening or closing of the power box 20, facilitating maintenance, simultaneously, the front housing 21 and the bottom cover 22 can be quickly fixed by the switch base 23 and the connecting plate 25, the front housing 21 and the power box 20 can be quickly blocked, and the end cover 20 can be integrally locked together, and the end cover 20 can be safely protected, and the end cover 20 can be completely protected by the end cover 20 b is also being disposed on the front housing 24.
In this embodiment, when the front case 22 is snapped onto the bottom cover 21, the latch 232 is extended and inserted into the receiving space formed between the connection plate 215 and the first side plate 212, so as to lock the front case 21 and the bottom cover 22 together, to rapidly fix the front case 22 and the bottom cover 21, to prevent the front case 22 and the bottom cover 21 from being automatically separated, and when the front case 22 and the bottom cover 21 need to be separated to open the power box 20, the latch 232 is pushed to move in the direction of the return spring 234 within the mounting hole 232 while compressing the return spring 234, and the return spring 234 is contracted after being compressed, thereby extracting the latch 232 from the bottom of the connection plate 215, to separate the front case 22 and the bottom cover 21, thereby opening the power box 20; when the front case 22 and the bottom cover 21 are separated, the push rod 233 is released, and the latch 232 is restored to the original state by the elastic restoring force of the restoring spring 234; on the contrary, when the front case 22 needs to be fastened to the bottom cover 21 to close the power box 20, the latch 232 is pushed to move in the direction of the return spring 234 in the mounting hole 232, meanwhile, the return spring 234 is compressed and then contracts, when the front case 22 and the bottom cover 21 are fastened together, the push rod 233 is released, the latch 232 returns to the original state under the action of the elastic restoring force of the return spring 234, and at this time, the latch 232 is inserted in the bottom of the connection 215, so as to perform the function of locking the bottom cover 21 and the front case 22, and further achieve the effect of locking the power box 20.
In this embodiment, as shown in fig. 6, 7, 8, 9, 10 and 12, two ends of a side of the second side plate 213 opposite to the first rotating plate 221 are respectively provided with a first rotating shaft hole 214, two ends of a side of the first rotating plate 221 opposite to the second side plate 213 are respectively provided with a second rotating shaft hole 223 coaxial with the first rotating shaft hole 214, two second rotating shaft holes 223 are respectively disposed between the two first rotating shaft holes 214, a rotating pin 27 is respectively inserted between the first rotating shaft hole 214 and the adjacent second rotating shaft 223 holes, the first rotating plate 221 can rotate relative to the second side plate 213 through the cooperation of the rotating pin 27, the first rotating shaft hole 214 and the second rotating shaft hole 223, so that the front shell 21 can rotate relative to the bottom cover 22, so as to fasten the front shell 21 on the bottom cover 22, or separate the front shell 21 and the bottom cover 22, thereby realizing opening or closing of the power box, and facilitating maintenance.
In this embodiment, as shown in fig. 1, 2, 3 and 4, the screen module 10 includes a transparent bottom shell 101, a lamp panel assembly 102, a lamp protection sheet 103 and a PET film 104, where the lamp panel assembly 102, the lamp protection sheet 103 and the PET film 104 are sequentially disposed on the transparent bottom shell 101 from bottom to top, the lamp panel assembly 102 includes a first lamp panel 1021 and a second lamp panel 1022, the first lamp panel 1021 and the second lamp panel 1022 are fixedly connected together through a lamp panel connector 105 by soldering tin, the lamp protection sheet 103 plays a role of protecting lamp beads, and the transparent bottom shell 101 and the PET film 104 have the characteristic of high light transmittance. Through the modularized design that adopts lamp plate connector 105 soldering to connect, can swiftly brief on the installation for the transparent dural screen dismouting of LED after the equipment is quick, easy maintenance, this transparent dural screen of LED has advantages such as simple structure, ultra-thin ultralight, luminousness height, simple to operate and shape are nimble changeable simultaneously.
In this embodiment, the transparent bottom case 101 is made of a transparent PC.
In this embodiment, as shown in fig. 7 and 10, a HUB motherboard 26 is further disposed in the power supply box 20, a plurality of HUB motherboard connectors 261 are disposed at the bottom of the HUB motherboard 26, the first light board 1021 is provided with light board connectors 10 and 23 that are in plug-in fit with the HUB motherboard connectors 261, and the bottom plate 211 is provided with avoiding holes (not labeled in the figure) for avoiding the HUB motherboard connectors 261.
In this embodiment, as shown in fig. 8, the top of the second rotating plate 222 is provided with a plurality of first cooling fins 224 sequentially arranged at intervals, so as to achieve a cooling effect, and meanwhile, no additional cooling device is required to be installed.
In this embodiment, as shown in fig. 7, the outer side wall of the first side plate 212 is provided with a plurality of second cooling fins 216 that are sequentially spaced apart, so as to achieve a cooling effect, and meanwhile, no additional cooling device is required to be installed.
Correspondingly, the embodiment of the utility model provides a manufacturing process of an LED transparent hard film screen, a flow schematic diagram of the manufacturing process is shown in fig. 15, and the manufacturing process comprises the following steps:
s01, acquiring a transparent bottom shell, a first lamp panel, a second lamp panel, a lamp protection sheet and a PET film;
s02, soldering tin of the first lamp panel and the second lamp panel is fixedly connected together through a lamp panel connector, and a lamp panel assembly is manufactured;
s03, mounting the lamp protection sheet on the first lamp panel, and arranging the lamp panel assembly in the transparent bottom shell;
s04, arranging the PET film on the lamp panel assembly;
s05, inserting the HUB mainboard plug connector on the bottom of the HUB mainboard in the lower cover and the lamp panel plug connector on the first lamp panel together, and fixing the lower cover on the transparent bottom shell through screws;
s06, the upper shells are respectively and rotatably arranged on the lower cover, the upper shells are rotatably buckled on the lower cover, and the upper shells and the lower cover can be locked together, so that the assembly of the power supply box is completed, and the LED transparent hard film screen is prepared.
In this embodiment, the thicknesses of the first light panel and the second light panel are all 0.6-1.0mm, so that the first light panel and the second light panel are convenient to bend, and the shape is flexible and changeable, so that the screen module 10 has the characteristics of light, thin and soft, and can be made into various shapes such as a circle, a cylinder, a sector, an S-shape, a triangle and the like.
In this embodiment, the transparent bottom shell is made of transparent PC, so as to improve light transmittance.
It should be noted that, the manufacturing process of the first lamp panel and the second lamp panel of the LED transparent hard film screen provided in this embodiment adopts PI or PET film to perform circuit board copper splashing, board washing, drawing, then forming the circuit board, then starting SMT to paste the lamp and drive the integrated lamp beads, and finally using the transparent epoxy resin soft glue with good heat conduction performance and high temperature resistance to cover 0.2-1.0Mm to protect the lamp and PI circuit board on the surface of the lamp.
It should be noted that, the transparent hard film screen of the LED provided in this embodiment is a micro LED.
The utility model has the beneficial effects that: the utility model has the beneficial effects that: the utility model provides an LED transparent hard film screen and a manufacturing process thereof, the LED transparent hard film screen comprises a screen body module and a power supply box arranged at one side of the back of the screen body module, the screen body module comprises a transparent bottom shell, a lamp plate assembly, a lamp protection plate and a PET film, the lamp plate assembly, the lamp protection plate and the PET film are sequentially arranged on the transparent bottom shell from bottom to top, the lamp plate assembly comprises a first lamp plate and a second lamp plate, the first lamp plate and the second lamp plate are fixedly connected together through a lamp plate connector soldering tin, the power supply box comprises a U-shaped bottom cover, the bottom cover respectively comprises a bottom plate arranged at the screen body module, the two sides of the upper surface of the bottom plate along the width direction are respectively provided with a first side plate and a second side plate, the opposite sides of the top of the first side plate and the second side plate are provided with a connecting plate, one side edge of the connecting plate far away from the first side plate is bent downwards, the second side plate is rotationally provided with an L-shaped front shell, the front shell comprises a first rotating plate which is arranged on a second side plate and can rotate around the second side plate, one side of the first rotating plate, which is far away from the second side plate, is provided with a second rotating plate which can be buckled on a connecting plate or separated from the connecting plate, the two sides of the bottom of the second rotating plate along the length direction of the second rotating plate are respectively provided with a switch base, the connecting plate is respectively provided with an avoidance opening which is matched with the switch base, the switch base is provided with a mounting hole along the length direction of the switch base, a bolt is inserted in the mounting hole, the bolt is extended and inserted at the bottom of the connecting plate so as to lock the front shell and the bottom cover together, a push rod is arranged on the bolt, the other end of the bolt is sleeved with a return spring, the switch base is provided with a slide hole which penetrates through the upper surface and the lower surface of the switch base, the push rod is arranged in the slide hole in a slide way, the push rod can push the bolt is pulled out from the bottom of the connecting plate so as to unlock the front shell and the bottom cover, therefore, the front shell can rotate relative to the bottom cover so as to lock the front shell on the bottom cover or separate the front shell from the bottom cover, so that the power box is opened or closed, the maintenance is convenient, meanwhile, the front shell and the bottom cover can be quickly fixed through the cooperation of the switch base and the connecting plate, and the front shell and the bottom cover can be locked together without locking screws.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The utility model provides a transparent dura mater screen of LED, its characterized in that is in including screen body module and setting power pack of screen body module back one side, screen body module includes transparent drain pan, lamp plate subassembly, protection lamp piece and PET membrane set gradually from the bottom up on the transparent drain pan, lamp plate subassembly includes first lamp plate and second lamp plate, first lamp plate with the second lamp plate passes through lamp plate connector soldering tin fixed connection together, the power pack includes a bottom that is the U type, the bottom includes a bottom plate that sets up in screen body module, the both sides of bottom plate upper surface along its width direction are equipped with first curb plate and second curb plate respectively, the top of first curb plate with the opposite side of second curb plate is equipped with a connecting plate, the connecting plate is kept away from one side edge downwarping extension setting of first curb plate, so that an accommodating space is formed between the connecting plate and the first side plate, an L-shaped front shell is rotationally arranged on the second side plate, the front shell comprises a first rotating plate which is arranged on the second side plate and can rotate around the second side plate, one side of the first rotating plate far away from the second side plate is provided with a second rotating plate which can be buckled on the connecting plate or separated from the connecting plate, two sides of the bottom of the second rotating plate along the length direction of the bottom of the second rotating plate are respectively provided with a switch base, two sides of the connecting plate are respectively provided with an avoidance opening matched with the switch base, the switch base is provided with a mounting hole along the length direction of the switch base, a bolt is inserted in the mounting hole, the bolt is extended and inserted in the accommodating space formed between the connecting plate and the first side plate, so as to lock the front shell and the bottom cover together, a push rod is arranged on the bolt, a return spring is sleeved at the other end of the bolt, a sliding hole penetrating through the upper surface and the lower surface of the switch base is arranged on the switch base, the push rod is slidably arranged in the sliding hole, the push rod can push the bolt to be pulled out from the bottom of the connecting plate so as to unlock the front shell and the bottom cover, a first rotating shaft hole is respectively arranged at two ends of one side of the second side plate opposite to the first rotating plate, a second rotating shaft hole coaxial with the first rotating shaft hole is respectively arranged at two ends of one side of the first rotating plate opposite to the second side plate, two second rotating shaft holes are respectively arranged between the two first rotating shaft holes, a rotating pin is respectively inserted between the first rotating shaft hole and the adjacent second rotating shaft hole, and the first rotating plate can rotate relative to the second side plate through the cooperation of the rotating pin, the first rotating shaft hole and the second rotating shaft hole.
2. The LED transparent hard film screen according to claim 1, wherein a power supply, a HUB main board and an adapter board are further arranged in the power supply box, a plurality of HUB main board connectors are arranged at the bottom of the HUB main board, lamp board connectors matched with the HUB main board connectors in a plugging manner are arranged on the first lamp board, and avoidance holes for avoiding the HUB main board connectors are formed in the bottom plate.
3. The LED transparent hard mask according to claim 1, wherein two sides of the bottom cover are respectively provided with an end cover.
4. The LED transparent hard film screen according to claim 1, wherein a plurality of first heat radiating fins are arranged at the top of the second rotating plate at intervals in sequence.
5. The LED transparent hard mask according to claim 1, wherein a plurality of second heat radiating fins are provided on the outer side wall of the first side plate at intervals in sequence.
6. The process for manufacturing the LED transparent hard mask according to any one of claims 1 to 5, comprising the steps of:
(1) Acquiring a transparent bottom shell, a first lamp panel, a second lamp panel, a protective lamp sheet and a PET film;
(2) The first lamp panel and the second lamp panel are fixedly connected together through a lamp panel connector by soldering tin, so that a lamp panel assembly is manufactured;
(3) The lamp protection sheet is arranged on the first lamp panel, and the lamp panel assembly is arranged in the transparent bottom shell;
(4) Disposing the PET film on the lamp panel assembly;
(5) Inserting the HUB mainboard plug connector on the bottom of the HUB mainboard in the bottom cover and the lamp panel plug connector on the first lamp panel together, and fixing the bottom cover on the transparent bottom shell through screws;
(6) The front shell is respectively and rotatably arranged on the bottom cover, the front shell is rotatably buckled on the bottom cover, and the front shell and the bottom cover can be locked together, so that the assembly of the power supply box is completed, and the LED transparent hard film screen is prepared.
7. The process for manufacturing the LED transparent hard film screen according to claim 6, wherein the thicknesses of the first lamp panel and the second lamp panel are 0.6-1.0mm.
8. The process for manufacturing the LED transparent hard mask according to claim 7, wherein the transparent bottom shell is made of transparent PC.
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