CN112802407A - Outdoor multifunctional front maintenance LED display screen module and LED display screen - Google Patents

Outdoor multifunctional front maintenance LED display screen module and LED display screen Download PDF

Info

Publication number
CN112802407A
CN112802407A CN202110166723.9A CN202110166723A CN112802407A CN 112802407 A CN112802407 A CN 112802407A CN 202110166723 A CN202110166723 A CN 202110166723A CN 112802407 A CN112802407 A CN 112802407A
Authority
CN
China
Prior art keywords
module
maintenance
display screen
led display
front maintenance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110166723.9A
Other languages
Chinese (zh)
Inventor
周桂锋
陈祥江
孙慧洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Liantronics Co Ltd
Original Assignee
Shenzhen Liantronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Liantronics Co Ltd filed Critical Shenzhen Liantronics Co Ltd
Priority to CN202110166723.9A priority Critical patent/CN112802407A/en
Publication of CN112802407A publication Critical patent/CN112802407A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/064—Hermetically-sealed casings sealed by potting, e.g. waterproof resin poured in a rigid casing

Abstract

The invention discloses an outdoor multifunctional front maintenance LED display screen module and an LED display screen, wherein the outdoor multifunctional front maintenance LED display screen module comprises a module bottom shell and a module PCB plate, LED lamp beads are embedded in the front side of the module PCB plate, a module front maintenance stud is fixedly arranged in the module bottom shell, a module front maintenance magnet is arranged on the module front maintenance stud, a front glue filling layer is arranged on the front side of the module PCB plate, the module bottom shell is in a hollow design, the back side of the module PCB plate is exposed to the external space from the back of the module bottom shell, and a back glue filling layer is arranged on the back side of the module PCB plate exposed to the external space; the outdoor multifunctional front maintenance LED display screen comprises a display screen box body and a plurality of outdoor multifunctional front maintenance LED display screen modules. The outdoor multifunctional front maintenance LED display screen module and the LED display screen have the advantages that the maintenance positioning is rapid, the front maintenance is convenient, the maintenance efficiency is high, the heat dissipation performance is good, the service life is long, the anti-falling dismounting is convenient, the application flexibility is high, and the like, and the existing products do not have.

Description

Outdoor multifunctional front maintenance LED display screen module and LED display screen
Technical Field
The invention relates to the field of LED display, in particular to an outdoor multifunctional front maintenance LED display screen module and an LED display screen.
Background
Because the LED has the advantages of high brightness, long service life, low energy consumption and the like, LED products are popularized and applied in a large scale in a plurality of fields.
In the field of outdoor LED display, the existing outdoor LED display screen has the technical defects of inconvenient front maintenance and positioning, difficult maintenance, inconvenient disassembly and assembly, poor heat dissipation performance, poor application flexibility and the like, and the defects seriously limit the further forward development, popularization and application in the field.
Therefore, the present invention aims to provide a new technical solution to solve the existing technical drawbacks.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an outdoor multifunctional front maintenance LED display screen module and an LED display screen, and solves the technical defects of inaccurate maintenance positioning, high maintenance difficulty, difficult module assembly and disassembly, insufficient heat dissipation capability, poor application flexibility and the like in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an outdoor multi-functional front maintenance LED display screen module, includes module drain pan and the module PCB board of fixed mounting in module drain pan front side, module PCB board front side inlays and is equipped with many LED lamp pearls rather than electric connection, module drain pan internal fixation is provided with module front maintenance double-screw bolt, be provided with module front maintenance magnet on the module front maintenance double-screw bolt, be provided with the front encapsulating layer on the front of module PCB board, the module drain pan is the fretwork design, module PCB board back exposes to the exterior space from module drain pan back in, the back that the module PCB board exposes to the exterior space is provided with the back encapsulating layer, the front encapsulating layer and the back encapsulating layer are used for respectively with the module PCB board the front and the exposed part sealing cover at the back.
As an improvement of the technical scheme, the module front maintenance magnet is located between the module front maintenance stud and the back of the module PCB, a magnet installation position is arranged on the module front maintenance stud, and the module front maintenance magnet is installed at the magnet installation position.
As a further improvement of the above technical solution, a through hole matched with the module front maintenance stud is formed in the module PCB, the front end of the module front maintenance stud passes through the through hole, and a front maintenance screw hole is formed at the front end of the module front maintenance stud passing through the through hole.
As the further improvement of the technical scheme, the module bottom shell extends backwards to form a plurality of anti-falling connecting columns, and anti-falling bosses are arranged on the outer edges of the outer ends of the anti-falling fixing columns.
As a further improvement of the technical scheme, the anti-falling fixing column is inwards provided with an elastic shrinkage groove from the end part along the axis direction.
As a further improvement of the technical scheme, the thickness of the front glue filling layer is smaller than or equal to the vertical distance of the LED lamp beads protruding on the module PCB.
As a further improvement of the technical scheme, two ends of the module bottom shell are cut to form 45-degree chamfer structures, and two adjacent module bottom shells can be perpendicularly connected through the 45-degree chamfer structures, so that two outdoor multifunctional front maintenance LED display screen modules are perpendicularly connected.
As a further improvement of the above technical solution, the system further comprises a front maintenance tool which is matched with the front maintenance function.
As a further improvement of the above technical solution, the front maintenance tool includes a maintenance tool base and a maintenance handle fixedly disposed on the maintenance tool base, maintenance tool magnets are disposed on inner sides of two ends of the maintenance tool base, maintenance handle screws are movably disposed at two ends of the maintenance tool base corresponding to positions of the maintenance tool magnets, the maintenance handle screws can axially move within a preset range along an axial direction of the maintenance handle screws, the maintenance handle screws have rotating portions, compression springs are disposed between inner sides of the rotating portions and an upper wall of the maintenance tool base, the compression springs are sleeved on the maintenance handle screws, end portions of the maintenance handle screws have screw thread portions for being in threaded connection with the outdoor multifunctional front maintenance LED display screen module, and the maintenance handle is fixed on the maintenance tool base through handle fixing screws.
Based on the outdoor multifunctional front maintenance LED display screen module, the invention also provides an outdoor multifunctional front maintenance LED display screen, which comprises a display screen box body, wherein at least one outdoor multifunctional front maintenance LED display screen module is installed on the display screen box body, and a fixing installation hole for fixing the outdoor multifunctional front maintenance LED display screen module is arranged on the display screen box body.
The invention has the beneficial effects that: the invention provides an outdoor multifunctional front maintenance LED display screen module and an LED display screen, wherein the outdoor multifunctional front maintenance LED display screen module and the LED display screen are provided with a module front maintenance magnet, a maintenance tool magnet in a front maintenance tool can be matched in the front maintenance process, and the positioning position of the maintenance tool is quickly positioned by utilizing the magnetic attraction effect of the module front maintenance magnet and the maintenance tool magnet, so that the maintenance efficiency can be effectively improved, and the time is saved; in addition, the module bottom shell adopts a hollow design, so that heat inside the module can be quickly dissipated, the heat dissipation performance can be greatly improved, and the working stability and the service life of the display screen module are favorably improved; moreover, the front glue filling layer and the back glue filling layer can ensure that the module PCB is not influenced by external rainwater and other severe environments, and the reliability, the stability and the service life are further improved; in addition, the elastic shrinkage groove is formed in the anti-falling fixed column, so that quick installation and anti-disassembly installation can be realized by using the elastic shrinkage function of the anti-falling fixed column, and the installation and maintenance are more convenient; finally, the 45-degree chamfer structures at the two ends of the bottom shell of the module can realize the vertical connection of the two display screen modules, and the module bottom shell has the advantage of high application flexibility.
To sum up, this kind of outdoor multi-functional front maintenance LED display screen module and LED display screen have solved the technical defect such as inaccurate, the maintenance degree of difficulty height, module dismouting difficulty, heat-sinking capability are not enough, the application flexibility is poor of maintenance location that prior art exists.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is an assembly diagram of a first embodiment of an outdoor multifunctional front maintenance LED display screen module according to the present invention;
FIG. 2 is another schematic assembly diagram of a first embodiment of the outdoor multifunctional front maintenance LED display screen module according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is an assembly view of a second embodiment of the outdoor multifunctional front maintenance LED display screen module according to the present invention;
FIG. 5 is another schematic assembly view of a second embodiment of the outdoor multifunctional front maintenance LED display screen module of the present invention;
FIG. 6 is a partial enlarged view of B in FIG. 5;
FIG. 7 is an assembly view of a third embodiment of the outdoor multifunctional front maintenance LED display screen module according to the present invention;
FIG. 8 is another schematic assembly view of a third embodiment of the outdoor multifunctional front maintenance LED display screen module of the present invention;
FIG. 9 is a schematic view of an application state of a third embodiment of the outdoor multifunctional front maintenance LED display screen module according to the present invention;
FIG. 10 is a pictorial illustration of the assembly of the front maintenance tool of the present invention;
FIG. 11 is another assembled schematic view of the front maintenance tool of the present invention;
FIG. 12 is a structurally broken away view of the front maintenance tool of the present invention;
FIG. 13 is an assembled view of the outdoor multifunctional front maintenance LED display screen of the present invention;
FIG. 14 is a schematic view of the connection structure of the outdoor multifunctional front maintenance LED display screen in the assembled state;
FIG. 15 is a schematic view of a connection structure of the outdoor multifunctional front maintenance LED display screen pile during maintenance and disassembly.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The technical features of the invention can be combined interactively without conflicting with each other, see fig. 1-15.
With specific reference to fig. 1-9, an outdoor multifunctional front maintenance LED display screen module includes a module bottom case 11 and a module PCB 12 fixedly mounted on the front side of the module bottom case 11, a plurality of LED lamp beads 13 electrically connected to the module PCB 12 are embedded on the front side of the module bottom case 11, a module front maintenance stud 14 is fixedly mounted in the module bottom case 11, a module front maintenance magnet 15 is disposed on the module front maintenance stud 14, a front potting layer 16 is disposed on the front side of the module PCB 12, the module bottom case 1 is of a hollow design, the back side of the module PCB 12 is exposed to the external space from the back side of the module bottom case 11, a back potting layer 17 is disposed on the back side of the module PCB 12 exposed to the external space, and the front potting layer 16 and the back potting layer 17 are respectively used for sealing and covering the exposed portions of the front side and the back side of the module PCB 12.
Preferably, the module front maintenance magnet 15 is located between the module front maintenance stud 14 and the back of the module PCB 12, the module front maintenance stud 14 has a magnet mounting location thereon, and the module front maintenance magnet 15 is mounted at the magnet mounting location.
Preferably, a through hole matched with the module front maintenance stud 14 is formed in the module PCB 12, the front end of the module front maintenance stud 14 penetrates through the through hole, and a front maintenance screw hole 141 is formed at the end part of the front end of the module front maintenance stud 14 penetrating through the through hole.
Preferably, the module bottom shell 11 extends backwards to form a plurality of anti-falling connection columns 18, and the outer edges of the outer ends of the anti-falling connection columns 18 are provided with anti-falling protrusions 181.
Preferably, the anti-dropping fixing column 18 is provided with an elastic shrinkage groove 182 inwardly from the end thereof along the axial direction.
Preferably, the thickness of the front adhesive-pouring layer 16 is less than or equal to the vertical distance of the LED lamp beads 13 protruding on the module PCB board 12.
Preferably, 45-degree chamfer structures 19 are cut at two ends of the module bottom shell 11, and two adjacent module bottom shells 11 can be vertically connected through the 45-degree chamfer structures 19, so that two outdoor multifunctional front maintenance LED display screen modules 1 can be vertically connected.
With particular reference to fig. 10-12, it preferably also includes a front maintenance tool 3 that is configured to perform a front maintenance function.
Preferably, the front maintenance tool 3 comprises a maintenance tool base 31 and a maintenance handle 32 fixedly arranged on the maintenance tool base 31, maintenance tool magnets 33 are arranged on the inner sides of the two ends of the maintenance tool base 31, maintenance handle screws 34 are movably arranged at the positions, corresponding to the maintenance tool magnets 33, of the two ends of the maintenance tool base 31, the maintenance handle screw 34 is axially movable within a predetermined range in the axial direction thereof, the maintenance handle screw 34 has a rotary portion and a compression spring 35 is provided between the inner side of the rotary portion and the upper wall of the maintenance tool base 31, the compression spring 35 is sleeved on the maintenance handle screw 34, the end part of the maintenance handle screw 34 is provided with a thread part for being in threaded connection with the outdoor multifunctional front maintenance LED display screen module 1, the maintenance handle 32 is fixed to the maintenance tool base 31 by a handle fixing screw 36.
With particular reference to fig. 13-15, the invention further provides an outdoor multifunctional front maintenance LED display screen, which includes a display screen box body 2, wherein at least one outdoor multifunctional front maintenance LED display screen module 1 is installed on the display screen box body 2, and a fixing installation hole 21 for fixing the outdoor multifunctional front maintenance LED display screen module 1 is arranged on the display screen box body 2.
When the invention is implemented specifically, the outdoor multifunctional front maintenance LED display screen module 1 supports an automatic alignment front maintenance technology, specifically, the quick alignment and positioning are realized through the magnetic attraction between the module front maintenance magnet 15 and the maintenance tool magnet 33 in the front maintenance tool 3, after the alignment is accurate, the handle screw 34 in the front maintenance tool 3 is further connected with the front maintenance screw hole 141 in the module front maintenance stud 14 in the LED display screen module through the screw thread, and the LED display screen module can be drawn out of the display screen box body 2 after the connection, so that the quick disassembly work of the front maintenance of the display screen is realized, the efficiency of the front maintenance is greatly improved, the time is saved, and the difficulty of the front maintenance is greatly reduced.
In the invention, the module bottom case 11 is designed to be a hollow structure, so that heat generated by the module PCB 12 during working can not be accumulated in the bottom case, the heat can be directly emitted to an external space from the hollow position, the heat radiation performance of the LED display screen module is greatly improved, especially in an outdoor use environment exposed to the sun, the structure can ensure that the temperature of the display screen module is not too high, the display screen module can be ensured to stably run in a normal temperature environment, and the reliability and the service life of the display screen are favorably improved.
In addition, the front side of the module PCB 12 and the hollow-out position of the back side are respectively provided with a front glue filling layer 16 and a back glue filling layer 17, the module PCB 12 is protected through the front side glue filling layer 16 and the back side glue filling layer 17, the module PCB is prevented from being corroded and damaged by rainwater, dust and the like, the normal operation of the module PCB 12 is ensured, and the service life is further prolonged.
When installing the display screen box 2 with LED display screen module or when dismantling the LED display screen module from the display screen box 2, through set up anticreep bellying 181 and elastic shrinkage groove 182 at anticreep fixed column 18, can realize the anticreep function, also make things convenient for the dismantlement of LED display screen module to maintain simultaneously, realize high-efficient, easy preceding maintenance function.
In some special application occasions, when needing the right angle display screen, the perpendicular of two display screen modules is assembled to 45 chamfer structures 19 that the accessible module drain pan 11 both ends set up, has the characteristics that the application flexibility is high, the range of application is wide.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides an outdoor multi-functional front maintenance LED display screen module which characterized in that: comprises a module bottom shell (11) and a module PCB (12) fixedly arranged on the front side of the module bottom shell (11), a plurality of LED lamp beads (13) electrically connected with the module PCB board (12) are embedded at the front side of the module PCB board, a module front maintenance stud (14) is fixedly arranged in the module bottom shell (11), a module front maintenance magnet (15) is arranged on the module front maintenance stud (14), the front surface of the module PCB (12) is provided with a front glue filling layer (16), the module bottom case (1) is in a hollow design, the back of the module PCB (12) is exposed to the external space from the back of the module bottom case (11), the back surface of the module PCB (12) exposed to the external space is provided with a back surface glue filling layer (17), the front glue filling layer (16) and the back glue filling layer (17) are respectively used for hermetically covering the exposed parts of the front surface and the back surface of the module PCB (12).
2. The outdoor multifunctional front maintenance LED display screen module set of claim 1, wherein: the module front maintenance magnet (15) is located between the module front maintenance stud (14) and the back of the module PCB (12), a magnet installation position is arranged on the module front maintenance stud (14), and the module front maintenance magnet (15) is installed at the magnet installation position.
3. The outdoor multifunctional front maintenance LED display screen module set of claim 1, wherein: the module PCB board (12) is provided with a through hole matched with the module front maintenance stud (14), the front end of the module front maintenance stud (14) penetrates through the through hole, and the front end part of the module front maintenance stud (14) penetrating through the through hole is provided with a front maintenance screw hole (141).
4. The outdoor multifunctional front maintenance LED display screen module set of claim 1, wherein: the module bottom shell (11) extends backwards to form a plurality of anti-falling connecting columns (18), and anti-falling bosses (181) are arranged on the outer edges of the outer ends of the anti-falling fixing columns (18).
5. The outdoor multifunctional front maintenance LED display screen module set of claim 4, wherein: the anti-falling fixing column (18) is internally provided with an elastic shrinkage groove (182) from the end part along the axis direction.
6. The outdoor multifunctional front maintenance LED display screen module set of claim 1, wherein: the thickness of the front glue filling layer (16) is smaller than or equal to the vertical distance of the LED lamp beads (13) protruding on the module PCB (12).
7. The outdoor multifunctional front maintenance LED display screen module set of claim 1, wherein: two ends of the module bottom shell (11) are cut to form 45-degree chamfer structures (19), and two adjacent module bottom shells (11) can be connected vertically through the 45-degree chamfer structures (19) to enable two outdoor multifunctional front maintenance LED display screen modules (1) to be connected vertically.
8. The outdoor multifunctional front maintenance LED display screen module according to any one of claims 1-7, characterized in that: the device also comprises a front maintenance tool (3) which is matched with the front maintenance function.
9. The outdoor multifunctional front maintenance LED display screen module set of claim 8, wherein: the front maintenance tool (3) comprises a maintenance tool base (31) and a maintenance handle (32) fixedly arranged on the maintenance tool base (31), maintenance tool magnets (33) are arranged on the inner sides of the two ends of the maintenance tool base (31), maintenance handle screws (34) are movably arranged at the positions, corresponding to the maintenance tool magnets (33), of the two ends of the maintenance tool base (31), the maintenance handle screws (34) can axially move in a preset range along the axial direction of the maintenance handle screws, the maintenance handle screws (34) are provided with rotating parts, compression springs (35) are arranged between the inner sides of the rotating parts and the upper wall of the maintenance tool base (31), the compression springs (35) are sleeved on the maintenance handle screws (34), and the end parts of the maintenance handle screws (34) are provided with thread parts which are in threaded connection with the outdoor multifunctional front maintenance LED display screen module (1), the maintenance handle (32) is fixed on the maintenance tool base (31) through a handle fixing screw (36).
10. The utility model provides an outdoor multi-functional front maintenance LED display screen which characterized in that: the outdoor multifunctional front maintenance LED display screen module comprises a display screen box body (2), wherein at least one outdoor multifunctional front maintenance LED display screen module (1) according to any one of claims 1-9 is installed on the display screen box body (2), and a fixing installation hole (21) for fixing the outdoor multifunctional front maintenance LED display screen module (1) is formed in the display screen box body (2).
CN202110166723.9A 2021-02-04 2021-02-04 Outdoor multifunctional front maintenance LED display screen module and LED display screen Pending CN112802407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110166723.9A CN112802407A (en) 2021-02-04 2021-02-04 Outdoor multifunctional front maintenance LED display screen module and LED display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110166723.9A CN112802407A (en) 2021-02-04 2021-02-04 Outdoor multifunctional front maintenance LED display screen module and LED display screen

Publications (1)

Publication Number Publication Date
CN112802407A true CN112802407A (en) 2021-05-14

Family

ID=75814619

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110166723.9A Pending CN112802407A (en) 2021-02-04 2021-02-04 Outdoor multifunctional front maintenance LED display screen module and LED display screen

Country Status (1)

Country Link
CN (1) CN112802407A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114623130A (en) * 2022-02-18 2022-06-14 深圳市科伦特电子有限公司 Safety catch mechanism and outdoor module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114623130A (en) * 2022-02-18 2022-06-14 深圳市科伦特电子有限公司 Safety catch mechanism and outdoor module

Similar Documents

Publication Publication Date Title
CN100580308C (en) Split type LED light fitting
CN112802407A (en) Outdoor multifunctional front maintenance LED display screen module and LED display screen
CN214796568U (en) Outdoor multifunctional front maintenance LED display screen module and LED display screen
CN102402911A (en) Light emitting diode (LED) display screen
CN105485567A (en) Dustproof waterproof panel lamp
CN201859610U (en) LED modular structure
CN213272213U (en) Novel LED energy-saving street lamp module
CN210921321U (en) Dull and stereotyped lamp shade casing in toilet
CN216212073U (en) LED display screen indoor module of multipurpose
CN216700459U (en) Multimedia collaboration host
CN109523930B (en) Indoor wall type LED display device
CN220795535U (en) Optical module with good heat dissipation performance
CN215581914U (en) Multilayer combined printed circuit board
CN210574801U (en) Bottom shell of LED display screen
CN219145477U (en) Electromagnetic shielding camera shooting module with heat dissipation assembly
CN219017185U (en) Magnetic suction type front maintenance LED bottom shell
CN215929355U (en) Embedded LED spotlight capable of efficiently dissipating heat
CN218041511U (en) Video parking space camera with built-in Bluetooth module
CN219843869U (en) LED display screen assembly box
CN218864126U (en) Outdoor waterproof projecting lamp
CN220775080U (en) Arc light protection device of high-voltage cabinet
CN219780685U (en) Bottom shell for LED combined screen
CN210223379U (en) Assembled LED display screen
CN220752988U (en) Display device
CN216959975U (en) Camera mounting structure and multi-view camera

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination