CN220731094U - LED display screen capable of being recycled - Google Patents
LED display screen capable of being recycled Download PDFInfo
- Publication number
- CN220731094U CN220731094U CN202322473667.0U CN202322473667U CN220731094U CN 220731094 U CN220731094 U CN 220731094U CN 202322473667 U CN202322473667 U CN 202322473667U CN 220731094 U CN220731094 U CN 220731094U
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- led
- back frame
- recycled
- front panel
- led display
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Abstract
The utility model discloses a recycled LED display screen, which comprises: the LED display device comprises a front panel and a back frame, wherein the front panel and the back frame are close to each other and form an installation space, and an LED screen is installed in the installation space; the LED screen comprises a bearing substrate, a mounting groove formed in the bearing substrate, a power supply wiring arranged in the mounting groove, a wiring conductive bump arranged on the power supply wiring and a unit LED module arranged in the mounting groove; the unit LED module comprises a bearing plate, LED lamp beads distributed on the bearing plate at equal intervals and contact conductive blocks arranged on the lower surface of the bearing plate and electrically connected with the LED lamp beads, when the unit LED module is taken down, the unit LED module can be directly pulled out from the mounting groove, and the unit LED module can be detached, so that the unit LED module is convenient and quick to detach and can not damage other LED lamp beads around.
Description
Technical Field
The utility model relates to the technical field of LED display screens, in particular to a recycled LED display screen.
Background
The LED display screen is a flat panel display, which consists of small LED module panels and is used for displaying various information such as characters, images, videos and the like.
The LED electronic display screen integrates microelectronic technology, computer technology and information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable operation and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news release, securities trade and the like, and can meet the requirements of different environments.
At present, an LED lamp bead on an LED display screen is directly connected with a circuit board, when the LED lamp bead is damaged or the whole display screen is aged, the whole display screen is generally directly scrapped, and the LED lamp bead is recycled in some ways, so that the LED lamp bead is detached in a one-to-one removal way, the whole efficiency is lower, and the LED lamp bead is easy to damage.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a recycled LED display screen, which solves the problems that the whole efficiency is lower and the LED lamp beads are easy to damage due to the mode of removing the LED lamp beads one by one.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a recycled LED display screen, comprising:
the LED display device comprises a front panel and a back frame, wherein the front panel and the back frame are close to each other and form an installation space, and an LED screen is installed in the installation space;
the LED screen comprises a bearing substrate, a mounting groove formed in the bearing substrate, a power supply wiring arranged in the mounting groove, a wiring conductive bump arranged on the power supply wiring and a unit LED module arranged in the mounting groove;
the unit LED module comprises a bearing plate, LED lamp beads distributed on the bearing plate at equal intervals and contact conductive blocks arranged on the lower surface of the bearing plate and electrically connected with the LED lamp beads, wherein the contact conductive blocks correspond to the wiring conductive protruding blocks in position.
Preferably, the edges of the front panel and the back frame are connected through screws, and a sealing gasket is embedded at the edge of the back frame.
Preferably, an elastic supporting sheet is arranged on the inner side wall of the back frame and is supported on the back of the LED screen.
Preferably, an information recording component is arranged on the inner side wall of the back frame.
Preferably, an inner groove for mounting the LED lamp beads is formed in the upper surface of the bearing plate.
Preferably, the lower surface both sides of loading board all are provided with the elastic arc cardboard, the upper end of mounting groove both sides is provided with the spacing blend stop with elastic arc cardboard looks adaptation.
Preferably, the front panel and the back frame are both made of plastic, and the front panel is made of transparent plastic.
(III) beneficial effects
Compared with the prior art, the utility model provides a recycled LED display screen, which has at least the following beneficial effects:
(1) The unit LED module is directly pulled out of the mounting groove when being taken down, so that the unit LED module can be detached, the detachment is convenient and quick, and other LED lamp beads around can not be damaged;
(2) The recycled LED display screen is electrically conductive through the contact conductive block and the wiring conductive bump contact after the unit LED module is inserted, and the anode and the cathode of the unit LED module are correspondingly connected respectively, so that the return of the anode and the cathode is avoided.
Drawings
FIG. 1 is a schematic view of the front panel and the back frame of the present utility model when separated;
FIG. 2 is a schematic view of the structure of the LED screen of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 according to the present utility model;
FIG. 4 is a schematic diagram of the structure of the unit LED module of the present utility model;
FIG. 5 is a schematic view of the structure of the unit LED module of the present utility model after the LED beads are removed;
fig. 6 is a schematic view of the structure of the lower surface of the carrier plate according to the present utility model.
In the figure: 1. an LED screen; 11. a carrier substrate; 12. a mounting groove; 13. a carrying plate; 14. a limit stop bar; 15. an inner groove; 16. LED lamp beads; 17. contacting the conductive block; 18. an elastic arc-shaped clamping plate; 19. wiring conductive bumps; 110. a power supply wiring; 2. a front panel; 3. a back frame; 4. an elastic support sheet; 5. an information recording component.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: a recycled LED display screen, comprising:
the LED display device comprises a front panel 2 and a back frame 3, wherein the front panel 2 and the back frame 3 are close to each other to form an installation space, an LED screen 1 is installed in the installation space, the front panel 2 and the back frame 3 are both made of plastic materials, and the front panel 2 is made of transparent plastic materials; the edge of the front panel 2 and the edge of the back frame 3 are set to be consistent in size, so that the combination part between the front panel 2 and the back frame 3 is attached, the situation that the edge protrudes is avoided, and after the front panel 2 and the back frame 3 are connected, the LED screen 1 is clamped in the installation space formed inside the front panel 2 and the back frame 3.
The LED screen 1 comprises a bearing substrate 11, a mounting groove 12 formed in the bearing substrate 11, a power supply wiring 110 arranged in the mounting groove 12, a wiring conductive bump 19 arranged on the power supply wiring 110 and a unit LED module arranged in the mounting groove 12;
the unit LED module comprises a bearing plate 13, LED lamp beads 16 distributed on the bearing plate 13 at equal intervals and a contact conductive block 17 arranged on the lower surface of the bearing plate 13 and electrically connected with the LED lamp beads 16, wherein the contact conductive block 17 corresponds to the wiring conductive protruding block 19 in position. As shown in fig. 2-6, the unit LED modules are inserted into the mounting groove 12, and meanwhile, the contact conductive block 17 is in contact with the wiring conductive bump 19, and the power supply wiring 110 supplies power to the LED lamp beads 16 through the contact conductive block 17 and the wiring conductive bump 19, so that the LED lamp beads 16 are turned on, the LED screen 1 controls the power on or off of the LED lamp beads 16 of each unit LED module through the control system, so that the display picture of the LED screen 1 is changed, and the control system is in the prior art and will not be described here. The LED lamp beads 16 are connected with the power supply wiring 110 in parallel, so that the control system can conveniently control each LED lamp bead 16.
Referring to fig. 1-6, the present utility model provides a technical solution: the edges of the front panel 2 and the back frame 3 are connected through screws, and a sealing gasket is embedded at the edge of the back frame 3. The front panel 2 and the back frame 3 are connected by adopting a screw, so that connection and disassembly are convenient, and when the front panel 2 and the back frame 3 are connected and fastened, the sealing gasket is extruded and deformed, so that the sealing effect between the front panel 2 and the back frame 3 is realized.
Referring to fig. 1, the present utility model provides a technical solution: the inside wall of back frame 3 is provided with elastic support piece 4, elastic support piece 4 supports the back at LED screen 1. The elastic supporting piece 4 is made of elastic steel sheets and supports the back of the LED screen 1, so that the LED screen 1 is attached to the front panel 2.
Referring to fig. 1, the present utility model provides a technical solution: an information recording unit 5 is provided on the inner side wall of the back frame 3. The information recording component 5 is a two-dimensional code, and external equipment scans the two-dimensional code to obtain information recorded by the two-dimensional code, and can record manufacturers, circuit connection modes, materials and the like of the LED screen 1 in the two-dimensional code so as to recycle the LED screen 1 and check the service life of the LED screen 1.
Referring to fig. 4 and 5, the present utility model provides a technical solution: an inner groove 15 for mounting the LED lamp beads 16 is formed in the upper surface of the bearing plate 13. The shape of the inner groove 15 is matched with the shape of the LED lamp bead 16, so that the LED lamp bead 16 is clamped into the inner groove 15 and is not easy to shake, and the LED lamp bead 16 and the inner groove 15 are bonded through an adhesive.
Referring to fig. 3-6, the present utility model provides a technical solution: the lower surface both sides of loading board 13 all are provided with elasticity arc cardboard 18, the upper end of the interior both sides of mounting groove 12 is provided with the spacing blend stop 14 with elasticity arc cardboard 18 looks adaptation. The outside of elastic arc cardboard 18 sets up to the evagination form, can block in the downside of spacing blend stop 14 for elastic arc cardboard 18 and spacing blend stop 14 cooperation chucking make locking between loading board 13 and the mounting groove 12, can not break away from by oneself.
When the LED screen 1 is used, the power supply wiring 110 and the wiring conductive protruding blocks 19 are in contact with the contact conductive blocks 17, so that the contact conductive blocks 17 supply power to the LED lamp beads 16, the power supply mode of the LED lamp beads 16 is controlled, and the LED lamp beads 16 are turned on and off, so that a display picture is formed on the LED screen 1.
When the LED screen 1 is recovered, the front panel 2 and the back frame 3 are detached and separated, so that the LED screen 1 is taken out, the scanning information recording component 5 acquires the related information of the LED screen 1, and the materials, the production date, the circuit information and the like of the LED screen 1 can be seen, so that the recovery value of the LED screen 1 can be conveniently assessed.
The unit LED modules are taken out of the mounting groove 12, so that the elastic arc-shaped clamping plates 18 are separated from the limiting stop bars 14, and the unit LED modules can be reused.
The LED screen 1 typically contains a circuit board, light emitting diodes, driver chips, kits, etc. When the LED screen 1 is taken out and then the electronic components on the LED screen 1 are taken down for reuse, the following modes can be adopted for processing:
first kind: tin-absorbing copper net method:
the tin-absorbing copper net is a net-shaped belt woven by fine copper wires, and can be replaced by a metal shielding wire or a multi-strand flexible wire of a cable wire. When in use, the net wire is covered on the pins, the rosin alcohol flux is coated, the net wire is heated by a soldering iron, and the soldering tin on each pin is absorbed by the net wire. And cutting off the net wire with the soldering tin, repeating for several times, and gradually reducing the soldering tin on the pins until the pins are separated from the printed board.
Second kind: cleaning method of molten tin:
when the multi-pin element is heated and melted by the anti-static soldering iron, the soldering tin is cleaned by a toothbrush, an oil painting brush, a paint brush and the like, and the components can be disassembled very quickly. After the components are removed, the printed board should be cleaned in time to prevent short circuits at other parts caused by tin residues.
Third kind: and (3) a lead pulling and disassembling method:
the method is suitable for disassembling the chip integrated circuit. A lacquer wire with proper thickness and certain strength is used to pass through the gap inside the pin of the integrated circuit, one end of the lacquer wire is fixed at a proper position, the other end is held by hand, when soldering tin is melted, the lacquer wire is pulled to 'cut' the welding spot, and the pin of the integrated circuit is separated from the printed board.
Fourth kind: the disassembly method of the tin absorber comprises the following steps:
the tin absorber is provided with a common tin absorber and a tin absorbing electric soldering iron. When the common tin absorber is used, the piston rod of the tin absorber is pressed down, when the electric soldering iron melts the welding spot of the detached piece, the suction nozzle of the tin absorber is abutted against the melting point, the release button of the tin absorber is pressed down, and when the piston rod of the tin absorber rebounds, molten tin is sucked away. The method is repeated for several times, so that the disassembled part and the printed board can be separated.
In summary, in the recycled LED display screen, the unit LED modules are directly pulled out from the mounting groove 12 when being taken down in a mode that the mounting groove 12 is matched and connected with the bearing substrate 11, so that the unit LED modules can be detached, the detachment is convenient and quick, and other surrounding LED lamp beads 16 can not be damaged;
the recycled LED display screen is conductive through the contact of the contact conductive block 17 and the wiring conductive bump 19 after the unit LED module is inserted, and the positive electrode and the negative electrode of the unit LED module are correspondingly connected respectively, so that the positive electrode and the negative electrode are prevented from being connected back.
Through the mode, the electronic components such as the light emitting diode, the driving chip, the capacitor and the like can be taken down, and the rest circuit board can be cut into pieces by adopting the existing cutting equipment (if the circuit board can be continuously utilized, the circuit board can also be recycled).
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A recycled LED display screen, comprising:
the LED display device comprises a front panel (2) and a back frame (3), wherein the front panel (2) and the back frame (3) are close to each other to form an installation space, and an LED screen (1) is installed in the installation space;
the LED screen (1) comprises a bearing substrate (11), a mounting groove (12) formed in the bearing substrate (11), a power supply wiring (110) arranged in the mounting groove (12), a wiring conductive lug (19) arranged on the power supply wiring (110) and a unit LED module arranged in the mounting groove (12);
the unit LED module comprises a bearing plate (13), LED lamp beads (16) distributed on the bearing plate (13) at equal intervals and contact conductive blocks (17) arranged on the lower surface of the bearing plate (13) and electrically connected with the LED lamp beads (16), wherein the contact conductive blocks (17) correspond to wiring conductive protruding blocks (19) in position.
2. The recycled LED display of claim 1, wherein:
the edges of the front panel (2) and the back frame (3) are connected through screws, and a sealing gasket is embedded at the edge of the back frame (3).
3. The recycled LED display of claim 1, wherein:
the LED back frame is characterized in that an elastic supporting piece (4) is arranged on the inner side wall of the back frame (3), and the elastic supporting piece (4) is supported on the back of the LED screen (1).
4. The recycled LED display of claim 1, wherein:
an information recording component (5) is arranged on the inner side wall of the back frame (3).
5. The recycled LED display of claim 1, wherein:
an inner groove (15) for installing the LED lamp beads (16) is formed in the upper surface of the bearing plate (13).
6. The recycled LED display of claim 1, wherein:
elastic arc clamping plates (18) are arranged on two sides of the lower surface of the bearing plate (13), and limiting stop bars (14) matched with the elastic arc clamping plates (18) are arranged at the upper ends of the two sides in the mounting groove (12).
7. A recycled LED display according to any one of claims 1-6, wherein:
the front panel (2) and the back frame (3) are both made of plastic, and the front panel (2) is made of transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322473667.0U CN220731094U (en) | 2023-09-12 | 2023-09-12 | LED display screen capable of being recycled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322473667.0U CN220731094U (en) | 2023-09-12 | 2023-09-12 | LED display screen capable of being recycled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220731094U true CN220731094U (en) | 2024-04-05 |
Family
ID=90490600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322473667.0U Active CN220731094U (en) | 2023-09-12 | 2023-09-12 | LED display screen capable of being recycled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220731094U (en) |
-
2023
- 2023-09-12 CN CN202322473667.0U patent/CN220731094U/en active Active
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| GR01 | Patent grant | ||
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