Outdoor commercial display advertising screen lightning protection frame structure

By using a combination of a wooden insulating frame and a metal centipede conductive mesh in outdoor commercial display advertising screens, the problem of current conduction during lightning strikes is solved, achieving effective current diversion and aesthetic integration of the frame, thus ensuring the stable operation of the advertising screen.

CN224401835UActive Publication Date: 2026-06-23SHENZHEN HUAMINJIA TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN HUAMINJIA TECHNOLOGY CO LTD
Filing Date
2025-07-30
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

When an existing outdoor commercial display advertising screen frame structure is struck by lightning, the powerful current generated by the lightning can easily be conducted through the frame to the inside of the advertising screen, damaging electronic components. Furthermore, the external lightning rod protection is difficult to integrate with the frame and affects the aesthetics.

Method used

The structure combines a wooden insulating frame and a metal centipede conductive mesh. The wooden frame acts as an inner insulating layer to block lightning current, while the metal centipede conductive mesh forms a mesh path to guide the current to the ground. The insulation performance is enhanced by the front and rear sealing components and rubber insulating pads.

Benefits of technology

It effectively blocks and diverts lightning current, reduces the risk of damage to the advertising screen, maintains the aesthetics and overall stability of the frame, and improves the long-term stable operation of the advertising screen in outdoor environments.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of advertising screen frame, especially relates to outdoor commercial display lightning protection frame structure of advertising screen, including inner frame, advertising screen, lightning protection frame assembly, front seal subassembly and rear seal subassembly, the inside of inner frame is provided with display groove, the inside of display groove is installed with the advertising screen for showing the advertising content, the outer end of inner frame is equipped with lightning protection frame assembly for isolating the lightning electrical, lightning protection frame assembly includes wooden insulating frame body, the outer end of wooden insulating frame body is equipped with the outer protective frame of playing the protection function, the front end of inner frame is equipped with the front seal subassembly of closing advertising screen front end edge place, the rear end of inner frame is equipped with the rear seal subassembly for protecting the advertising screen circuit, the utility model realizes the effective block and drainage of lightning current through lightning protection frame assembly, and wooden insulating frame body prevents the conduction of current to inner frame, guarantees the long -term stable operation of advertising screen under the complex environment outdoors.
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Description

Technical Field

[0001] This utility model relates to the field of advertising screen frame technology, and in particular to a lightning protection frame structure for outdoor commercial display advertising screens. Background Technology

[0002] In the field of outdoor commercial advertising, advertising screens are widely used as a key carrier of information dissemination. However, the outdoor environment is complex and changeable, and many factors can threaten the normal operation and lifespan of advertising screens. Among them, the problem of lightning strikes is particularly prominent. The existing frame structure of outdoor commercial display advertising screens is obviously insufficient in dealing with lightning strikes and ensuring the long-term stable operation of advertising screens, making it difficult to meet the actual use needs.

[0003] The existing frame structure of outdoor commercial advertising screens has two main drawbacks during use. First, it lacks effective insulation protection measures. When struck by lightning, the powerful current generated by the lightning can easily be conducted through the frame to the inside of the advertising screen, causing irreversible damage to its electronic components. Second, some frame structures use external lightning rods for lightning protection, which are difficult to integrate with the advertising screen frame and affect the aesthetics.

[0004] Therefore, to address the shortcomings of existing advertising screen frame structures during use, a lightning protection frame structure for outdoor commercial display advertising screens can be designed. This structure uses a wooden insulating frame as the inner insulating core and a composite structure containing a metal centipede conductive mesh is installed on the outside of the wooden frame. The mesh conductive path is used to quickly divert the current energy to the ground, thus solving the aforementioned problems. Utility Model Content

[0005] In order to overcome the shortcomings of existing outdoor commercial display advertising screen frame structures, such as the strong current generated by lightning being easily conducted through the frame to the inside of the advertising screen when struck by lightning, damaging electronic components; and the fact that some frame structures use external lightning rods for lightning protection, which are difficult to integrate with the advertising screen frame and affect the aesthetics, this utility model provides an outdoor commercial display advertising screen lightning protection frame structure.

[0006] The technical solution is as follows: an outdoor commercial display advertising screen lightning protection frame structure, including an inner frame, an advertising screen, a lightning protection frame assembly, a front sealing assembly, and a rear sealing assembly; the inner frame has a display slot inside, and the advertising screen for displaying advertising content is installed inside the display slot; the outer end of the inner frame is fitted with a lightning protection frame assembly for isolating electrical components from lightning strikes; the lightning protection frame assembly includes a wooden insulating frame, and the outer end of the wooden insulating frame is fitted with an outer protective frame for protection; the front end of the inner frame is fitted with a front sealing assembly that seals the front edge of the advertising screen; and the rear end of the inner frame is fitted with a rear sealing assembly for protecting the advertising screen's wiring.

[0007] Furthermore, the four outer sides of the wooden insulating frame are provided with interconnected centipede embedding grooves, and a metal centipede conductive mesh is embedded inside the centipede embedding groove. The lower end of the metal centipede conductive mesh is provided with an external conductor.

[0008] Furthermore, the bottom of the outer protective frame is provided with an external guide port for the corresponding external conductor. One end of the external conductor is connected to the metal centipede conductive mesh, and the other end of the external conductor extends through the external guide port to the outside of the outer protective frame.

[0009] Furthermore, the inner wall of the wooden insulating frame is provided with embedded clips on all four sides, and the outer end of the inner frame is provided with embedded slots corresponding to the embedded clips on all four sides. The front and rear corners of the inner frame are provided with first mounting holes, and the front and rear corners of the wooden insulating frame are provided with second mounting holes.

[0010] Furthermore, the front sealing assembly includes a front sealing frame, which is located on the front end face of the inner frame and the wooden insulating frame. A first rubber insulating pad is attached to the rear end face of the front sealing frame, and a glass panel embedding groove is formed in the center of the first rubber insulating pad.

[0011] Furthermore, two sets of first mounting shafts corresponding to the first mounting hole and the second mounting hole are provided at the corner of the rear end face of the front sealing frame.

[0012] Furthermore, the rear sealing assembly includes a rear sealing plate located on the rear end face of the inner frame and the wooden insulating frame. A second rubber insulating pad is attached to the side of the rear sealing plate near the inner frame and the wooden insulating frame. Two sets of second mounting pins corresponding to the first mounting hole and the second mounting hole are provided at the corners of the side of the rear sealing plate near the inner frame and the wooden insulating frame.

[0013] The beneficial effects are as follows: Compared to the defects of existing advertising screen frame structures during use, this application, through the combination of a wooden insulating frame and a metal centipede conductive mesh, effectively blocks and diverts lightning current. The wooden insulating frame prevents current from being conducted to the inner frame, while the metal centipede conductive mesh quickly diverts the current to the ground, greatly reducing the risk of damage to the advertising screen due to lightning strikes and ensuring long-term stable operation of the advertising screen in complex outdoor environments. Unlike a few frame structures that use external lightning rods, this frame structure integrates the lightning protection function inside the frame, eliminating the need for additional external lightning rods and not affecting the overall aesthetics of the advertising screen, while improving the overall integrity and integration of the advertising screen. The front and rear sealing components, through the cooperation of the first and second mounting shafts and the first and second mounting holes, can be installed conveniently, quickly, and accurately, further ensuring the stability of the entire frame structure. The setting of the first and second rubber insulating pads enhances the insulation performance of the frame structure, preventing current from being conducted through the front and rear sealing components. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the lightning protection frame structure for the advertising screen of this utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the inner frame of this utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of the lightning protection frame assembly of this utility model;

[0017] Figure 4 This is a three-dimensional structural diagram of the front sealing component of this utility model;

[0018] Figure 5 This is a three-dimensional structural diagram of the rear sealing component of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1. Inner frame; 101. Display slot; 102. Embedded slot; 103. First mounting hole; 2. Advertising screen; 3. Lightning protection frame assembly; 301. Wooden insulating frame; 302. Embedded block; 303. Second mounting hole; 304. Centipede embedding slot; 305. Metal centipede conductive mesh; 306. External conductor; 4. Outer protective frame; 401. External guide port; 5. Front sealing assembly; 501. Front sealing frame; 502. First rubber insulating pad; 503. First mounting shaft; 504. Glass panel embedding slot; 6. Rear sealing assembly; 601. Rear sealing plate; 602. Second rubber insulating pad; 603. Second mounting shaft. Detailed Implementation

[0020] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0021] Example

[0022] like Figures 1-5 As shown, the lightning protection frame structure for an outdoor commercial display advertising screen includes an inner frame 1, an advertising screen 2, a lightning protection frame assembly 3, a front sealing assembly 5, and a rear sealing assembly 6. The inner frame 1 has a display slot 101 inside, and the advertising screen 2 for displaying advertising content is installed inside the display slot 101. The outer end of the inner frame 1 is fitted with a lightning protection frame assembly 3 for isolating electrical components from lightning strikes. The lightning protection frame assembly 3 includes a wooden insulating frame 301, and the outer end of the wooden insulating frame 301 is fitted with an outer protective frame 4 for protection. The front end of the inner frame 1 is fitted with a front sealing assembly 5 that closes the front edge of the advertising screen 2, and the rear end of the inner frame 1 is fitted with a rear sealing assembly 6 for protecting the wiring of the advertising screen 2.

[0023] The wooden insulating frame 301 has interconnected centipede-shaped embedded grooves 304 on all four sides of its outer end. A metal centipede conductive mesh 305 is embedded inside the centipede embedded groove 304. An outer conductor 306 is provided at the lower end of the metal centipede conductive mesh 305. The wooden insulating frame 301 serves as the core insulating layer to block the conduction of lightning current to the inner frame 1. The centipede embedded grooves 304 are interconnected and embedded with the metal centipede conductive mesh 305 to form a mesh conductive path. When struck by lightning, the powerful current generated by the lightning can be quickly conducted through the metal centipede conductive mesh 305.

[0024] The bottom of the outer protective frame 4 is provided with an outer guide port 401 corresponding to the outer conductor 306. One end of the outer conductor 306 is connected to the metal centipede conductive mesh 305, and the other end of the outer conductor 306 extends through the outer guide port 401 to the outside of the outer protective frame 4. The setting of the outer guide port 401 makes it convenient for the outer conductor 306 to pass through the outer protective frame 4 to lead out the current. This not only ensures the electrical connection between the metal centipede conductive mesh 305 and the outside, realizing the effective current diversion, but also enables the outer protective frame 4 to protect the wooden insulating frame 301 and the metal centipede conductive mesh 305.

[0025] The wooden insulating frame 301 has embedded blocks 302 on all four sides of its inner wall, and embedded slots 102 corresponding to the embedded blocks 302 are opened on all four sides of the outer end of the inner frame 1. First mounting holes 103 are opened at the corners of the front and rear sides of the inner frame 1, and second mounting holes 303 are opened at the corners of the front and rear sides of the wooden insulating frame 301. Through the cooperative design of the embedded blocks 302 and the embedded slots 102, the wooden insulating frame 301 can be stably fitted onto the outer end of the inner frame 1, which enhances the connection stability between the two and prevents loosening or displacement during use.

[0026] The front sealing assembly 5 includes a front sealing frame 501, which is located on the front end face of the inner frame 1 and the wooden insulating frame 301. A first rubber insulating pad 502 is attached to the rear end face of the front sealing frame 501. A glass panel embedding groove 504 is provided in the center of the first rubber insulating pad 502. The front sealing frame 501 can seal and protect the front edge of the advertising screen 2, preventing dust, moisture and other substances from entering the interior of the advertising screen 2. The first rubber insulating pad 502 not only further enhances the insulation effect and prevents current from being conducted through the front sealing assembly 5, but also plays a buffering role, reducing the damage to the advertising screen 2 caused by external impact. The glass panel embedding groove 504 provides an accurate position for installing the glass panel.

[0027] Two sets of first mounting shafts 503 corresponding to the first mounting holes 103 and the second mounting holes 303 are provided at the corner of the rear end face of the front sealing frame 501. Through the cooperation of the two sets of first mounting shafts 503 with the first mounting holes 103 and the second mounting holes 303, the front sealing frame 501 can be conveniently, quickly and accurately installed on the front end face of the inner frame 1 and the wooden insulating frame 301.

[0028] The rear sealing assembly 6 includes a rear sealing plate 601, which is located on the rear end face of the inner frame 1 and the wooden insulating frame 301. A second rubber insulating pad 602 is attached to the side of the rear sealing plate 601 near the inner frame 1 and the wooden insulating frame 301. At the corner of the side of the rear sealing plate 601 near the inner frame 1 and the wooden insulating frame 301, there are two sets of second mounting pins 603 corresponding to the first mounting hole 103 and the second mounting hole 303. The rear sealing plate 601 can protect the circuit of the advertising screen 2 and prevent the circuit from being exposed and damaged. The second rubber insulating pad 602 also enhances the insulation performance and prevents current from being conducted through the rear sealing assembly 6. The cooperation between the second mounting pins 603 and the first mounting hole 103 and the second mounting hole 303 makes it convenient for the rear sealing plate 601 to be accurately and firmly installed on the rear end face of the inner frame 1 and the wooden insulating frame 301.

[0029] During operation, firstly, the advertising screen 2 is embedded into the display slot 101 of the inner frame 1, ensuring that the advertising screen 2 is aligned with the edge of the inner frame 1. The advertising screen 2 is then fixed to the display slot 101 with bolts, completing the installation of the core display component. Next, a metal centipede conductive mesh 305 is embedded into the centipede embedding slot 304 of the wooden insulating frame 301, ensuring that the metal centipede conductive mesh 305 on all four sides is interconnected to form a mesh structure. Then, one end of the external conductor 306 is connected to the lower end of the metal centipede conductive mesh 305, with the other end reserved for sufficient length. Next, the wooden insulating frame 301 is fitted onto the outside of the inner frame 1, ensuring that the embedded clip 302 precisely engages with the embedded clip slot 102 of the inner frame 1. Finally, the outer protective frame 4 is fitted onto the outside of the wooden insulating frame 301. At this point, the external conductor 306... The outer guide 401 extends through the bottom of the outer protective frame 4 to the outside. Finally, the outer protective frame 4 is fixed to the wooden insulating frame 301 with screws. Then, a transparent resin or glass panel is installed in the glass panel embedding groove 504. The first mounting pin 503 of the front sealing frame 501 is aligned with the first mounting hole 103 and the second mounting hole 303 at the front end of the inner frame 1 and the wooden insulating frame 301. Pressing makes the front sealing frame 501 fit against the front end of the inner frame 1. The first rubber insulating pad 502 tightly covers the front edge of the advertising screen 2. Similarly, the second mounting pin 603 of the rear sealing plate 601 is inserted into the corresponding mounting hole so that the rear sealing plate 601 fits against the rear end. The second rubber insulating pad 602 isolates the circuit from the external structure. Finally, one end of the outer conductor 306 extends to the outside and is connected to the grounding electrode.

[0030] Its working principle is as follows: when struck by lightning, the powerful current generated by the lightning first contacts the outer protective frame 4. Since the wooden insulating frame 301 serves as the core insulating layer, it effectively blocks the conduction of the lightning current to the inner frame 1, preventing the current from directly entering the advertising screen 2 and damaging electronic components. Simultaneously, the centipede-shaped embedded slots 304 are interconnected and embedded with a metal centipede conductive mesh 305, forming a mesh-like conductive path. The lightning current will quickly conduct through the metal centipede conductive mesh 305, and then be led out to the outside of the outer protective frame 4 via the outer conductor 306, ultimately introducing the current to the ground, achieving effective current diversion and preventing current accumulation within the advertising screen 2 frame from causing harm; the first rubber in the front sealing assembly 5... The rubber insulating pad 502 and the second rubber insulating pad 602 in the rear sealing assembly 6 further enhance the insulation performance of the entire frame structure, preventing current from being conducted through the front sealing assembly 5 and the rear sealing assembly 6. The front sealing frame 501 can seal the front edge of the advertising screen 2, preventing dust, moisture and other substances from entering the interior of the advertising screen 2. At the same time, the first rubber insulating pad 502 and the second rubber insulating pad 602 can also act as a buffer, reducing the damage to the advertising screen 2 caused by external impacts. The rear sealing plate 601 can protect the circuit of the advertising screen 2, preventing the circuit from being exposed and damaged.

[0031] Its beneficial effects are significant. This application, through the cooperation of the wooden insulating frame 301 and the metal centipede conductive mesh 305, achieves effective blocking and diversion of lightning current. The wooden insulating frame 301 prevents current from being conducted to the inner frame 1, while the metal centipede conductive mesh 305 quickly diverts the current to the ground, greatly reducing the risk of damage to the advertising screen 2 due to lightning strikes and ensuring the long-term stable operation of the advertising screen 2 in complex outdoor environments. Unlike a few frame structures that use external lightning rods, this frame structure integrates the lightning protection function inside the frame, eliminating the need for additional external lightning rods and not affecting the overall aesthetics of the advertising screen 2. At the same time, it improves the integrity and integration of the advertising screen 2. The front sealing component 5 and the rear sealing component 6, through the cooperation of the first mounting shaft 503 and the second mounting shaft 603 and the first mounting hole 103 and the second mounting hole 303, can be installed conveniently, quickly, and accurately, further ensuring the stability of the entire frame structure. The setting of the first rubber insulating pad 502 and the second rubber insulating pad 602 enhances the insulation performance of the frame structure and prevents current from being conducted through the front sealing component 5 and the rear sealing component 6.

Claims

1. A lightning protection frame structure for outdoor commercial advertising displays, comprising an inner frame (1); characterized in that, It also includes an advertising screen (2), a lightning protection frame assembly (3), a front sealing assembly (5) and a rear sealing assembly (6); the inner frame (1) has a display slot (101) inside, and the advertising screen (2) for displaying advertising content is installed inside the display slot (101). The outer end of the inner frame (1) is fitted with a lightning protection frame assembly (3) for isolating electrical lightning strikes. The lightning protection frame assembly (3) includes a wooden insulating frame (301). The outer end of the wooden insulating frame (301) is fitted with an outer protective frame (4) for protection. The front end of the inner frame (1) is fitted with a front sealing assembly (5) that closes the front edge of the advertising screen (2). The rear end of the inner frame (1) is fitted with a rear sealing assembly (6) for protecting the lines of the advertising screen (2).

2. The lightning protection frame structure for outdoor commercial display advertising screens according to claim 1, characterized in that, The wooden insulating frame (301) has interconnected centipede embedding grooves (304) on all four sides of its outer end. A metal centipede conductive mesh (305) is embedded inside the centipede embedding groove (304), and an external conductor (306) is provided at the lower end of the metal centipede conductive mesh (305).

3. The lightning protection frame structure for outdoor commercial display advertising screens according to claim 2, characterized in that, The bottom of the outer protective frame (4) is provided with an outer guide port (401) corresponding to the outer conductor (306). One end of the outer conductor (306) is connected to the metal centipede conductive mesh (305), and the other end of the outer conductor (306) extends through the outer guide port (401) to the outside of the outer protective frame (4).

4. The lightning protection frame structure for outdoor commercial display advertising screens according to claim 3, characterized in that, The wooden insulating frame (301) has embedded clips (302) on all four sides of its inner wall. The inner frame (1) has embedded slots (102) corresponding to the embedded clips (302) on all four sides of its outer end. The inner frame (1) has first mounting holes (103) at the corners of its front and rear sides. The wooden insulating frame (301) has second mounting holes (303) at the corners of its front and rear sides.

5. The lightning protection frame structure for outdoor commercial display advertising screens according to claim 2, characterized in that, The front sealing assembly (5) includes a front sealing frame (501), which is located on the front end face of the inner frame (1) and the wooden insulating frame (301). A first rubber insulating pad (502) is attached to the rear end face of the front sealing frame (501), and a glass panel embedding groove (504) is opened in the center of the first rubber insulating pad (502).

6. The lightning protection frame structure for outdoor commercial display advertising screens according to claim 5, characterized in that, Two sets of first mounting pins (503) corresponding to the first mounting hole (103) and the second mounting hole (303) are provided at the corner of the rear end face of the front sealing frame (501).

7. The lightning protection frame structure for outdoor commercial display advertising screens according to claim 1, characterized in that, The rear sealing assembly (6) includes a rear sealing plate (601), which is located on the rear end face of the inner frame (1) and the wooden insulating frame (301). A second rubber insulating pad (602) is attached to the side of the rear sealing plate (601) near the inner frame (1) and the wooden insulating frame (301). Two sets of second mounting pins (603) corresponding to the first mounting hole (103) and the second mounting hole (303) are provided at the corner of the side of the rear sealing plate (601) near the inner frame (1) and the wooden insulating frame (301).