CN210667582U - Anti-collision LED display screen with frame - Google Patents

Abstract

The utility model provides a take frame to prevent LED display screen that collides with, including PCB board, LED lamp pearl, glue film, frame. The PCB board chooses for use square PCB board, LED lamp pearl is in through welded mode evenly distributed setting with certain clearance the one side of PCB board, the glue film covers the welding of PCB board has the one side of LED lamp pearl, and packs in the clearance of LED lamp pearl, just the glue film with LED lamp pearl light emitting area parallel and level, promptly the glue film with LED lamp pearl light emitting area forms a plane, and integrated as a LED display screen. The four sides of the PCB are provided with the frames. When the LED display screen is impacted, the frame directly receives impact force by replacing the LED display screen and buffers the impact force to protect the LED display screen.

Description

Anti-collision LED display screen with frame

Technical Field

The utility model relates to a LED display screen especially relates to a take frame to prevent LED display screen of colliding with.

Background

LED display screens are rapidly developed due to their high brightness, low power consumption, stable performance, and other features, and are increasingly used in people's daily lives, for example, electronic display screens installed in leisure squares, commercial streets, hospitals, train stations, concerts, and the like.

At present, the LED display screen in the market does not all set up the protection instrument, consequently, the collision that can take place often in transportation, installation and use can lead to LED lamp pearl to be bumped after colliding with hard thing, and makes the display screen show nonconformity for the LED display screen can not normally work, causes the display screen unqualifiedly, leads to the fault rate high, often repair LED lamp pearl to the display screen to the disqualification needs that this reason caused, causes the display screen to reprocess the rate height.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, the utility model aims to provide a take frame to prevent LED display screen that collides with aims at solving and does not have protection device protection LED display screen among the prior art, avoids appearing the fragile problem of display screen after the collision.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a take frame to prevent LED display screen that collides with, includes the PCB board, arranges and installs a plurality of LED lamp pearls on the PCB board cover PCB board surface and packing the glue film in LED lamp pearl clearance, its characterized in that still including the frame, the frame is fixed to be set up on the periphery of PCB board, the glue film is filled the frame with clearance between the PCB board.

Further, the frame comprises a bottom plate, a side plate integrally formed on the outer side of the bottom plate along the vertical direction, and a top plate integrally formed on the upper end of the side plate along the horizontal direction; the bottom plate is located below the PCB, the side plate is located outside the PCB, and the top plate is located above the PCB.

Further, an adhesive layer is arranged between the bottom plate and the PCB.

Furthermore, a boss is arranged on one surface of the bottom plate, which is in contact with the PCB, a through hole is arranged on one surface of the PCB, which is in contact with the bottom plate, and the boss and the through hole are in clamping fit to fix the frame on the PCB.

Further, the roof is including the protrusion screens tooth that a plurality of intervals set up and keep away empty screens tooth, it is located to keep away empty screens tooth in the clearance between the protrusion screens tooth, protrusion screens tooth is located adjacent two between the LED lamp pearl, the glue film covers protrusion screens tooth with keep away the upper surface of empty screens tooth, the glue film is filled protrusion screens tooth keep away empty screens tooth with in the clearance between the PCB board, the glue film is filled protrusion screens tooth with keep away the clearance between the empty screens tooth.

Further, the protruding clamping teeth and the clearance clamping teeth are provided with groove positions.

Furthermore, a gap is reserved between the side plate and the side face of the PCB, and the glue layer fills the gap between the side plate and the side face of the PCB.

Furthermore, a notch is formed in the edge of the PCB along the vertical direction.

Furthermore, the frame is formed by splicing four symmetrically arranged L-shaped frames.

Further, the frame is a metal frame.

The beneficial effect who adopts above-mentioned scheme is: the utility model provides a take frame to prevent LED display screen that collides with when the LED display screen receives the striking, the frame replaces the LED display screen to accept the impact, when the edge of LED display screen receives the striking, cushions the impact force through the frame and makes LED screen and LED lamp pearl directly not receive the striking to play the guard action to the LED display screen, avoid appearing the LED display screen fragile problem after the collision.

Drawings

Fig. 1 is the utility model relates to a frame LED display screen's embodiment detach the structure schematic diagram behind glue film and partial LED lamp pearl.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a schematic diagram of a partial structure of a frame according to an embodiment of the present invention.

Fig. 4 is a partial side view of an embodiment of a frame LED display screen according to the present invention.

Fig. 5 is a cross-sectional view of the border LED display screen of the present invention after removing the glue layer.

Fig. 6 is a cross-sectional view of an embodiment of the frame LED display screen of the present invention.

FIG. 7 is a schematic diagram of an L-shaped frame of an embodiment of a bezel LED display.

In the figure: 110. a PCB board; 111. a through hole; 112. a notch; 120. LED lamp beads; 130. a glue layer; 200. a frame; 210. an L-shaped frame; 300. a base plate; 310. a boss; 400. a side plate; 500. a top plate; 510. protruding clamping teeth; 520. avoiding space clamping teeth; 530. a slot position; 600. and (7) bonding the layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a take frame to prevent LED display screen that collides with, including PCB board 110, PCB board 110 chooses for use square PCB board, easily thinks of, PCB board 110 can also be the polygon, also can choose for use other shapes as required. A plurality of LED lamp beads 120 are assembled on the upper surface of the PCB 110, the LED lamp beads 120 are uniformly distributed at a certain gap and fixedly disposed on the PCB 110 by welding, and uniformly fill the upper surface of the whole PCB 110 (only a part of the LED lamp beads 120 is shown in the figure as an indication), and the PCB 110 is provided with a control circuit for controlling the LED lamp beads 120 to emit light; glue film 130 covers PCB board 110 welding has LED lamp pearl 120's one side to fill in each in the clearance between LED lamp pearl 120, just the upper surface of glue film 130 with LED lamp pearl 120 light emitting area parallel and level, promptly glue film 130 upper surface with LED lamp pearl 120 light emitting area forms a plane, and is integrated as an LED display screen. For convenience of description, the remaining four surfaces of the PCB 110 excluding the upper surface and the lower surface are used as side surfaces, a direction away from the center of the PCB 110 is used as an outer direction in a horizontal direction, and a direction close to the center of the PCB 110 is used as an inner direction. The four lateral sides of the PCB 110 are provided with frames 200. The frame 200 is made of metal material. It is contemplated that other high strength materials such as engineering plastics may be used for the bezel 200. When the LED display screen receives the striking, frame 200 replaces the LED display screen to accept and strikes, receives the striking when the edge of LED display screen, cushions the impact force through frame 200 and makes LED screen and LED lamp pearl 120 can directly not receive the striking to play the guard action to the LED display screen, avoid appearing the fragile problem of display screen after the collision.

According to fig. 3 and 4, in an embodiment of the present invention, the frame 200 includes a bottom plate 300, a side plate 400 is integrally formed outside the bottom plate 300, the side plate 400 is disposed along a vertical direction, a top plate 500 is integrally formed at an upper end of the side plate 400, and the top plate 500 is disposed along a horizontal direction; the bottom plate 300, the side plates 400 and the top plate 500 form a frame 200 having a U-shaped cross section. The bottom plate 300 is located on the lower surface of the LED display screen, the side plate 400 is located on the outer side of the LED display screen, the top plate 500 is located on the upper surface of the LED display screen, and the side and the periphery of the LED display screen are covered by the frame 200. Thus, the edge of the entire PCB board 110 is protected.

As shown in fig. 5 and 6, a plurality of bosses 310 are disposed on a surface of the bottom plate 300 contacting with the lower surface of the PCB 110, the plurality of bosses 310 are arranged side by side along an extending direction of the bottom plate 300, through holes 111 corresponding to the bosses 310 in shape are disposed on the lower surface of the PCB 110, the bosses 310 correspond to the through holes 111 one by one, and the positions of the PCB 110 and the frame 200 are fixed by snap-fit; the boss 310 in this embodiment is a square boss, the corresponding through hole 111 is a square through hole, and the square boss 310 is embedded in the square through hole 111 in a clamping manner, so that the position and the direction of the base plate 300 can be determined, and the base plate 300 can be conveniently positioned, after the square through hole 111 and the square boss 310 are embedded together in a clamping manner, the square boss 310 cannot move in the left-right direction, so that the base plate 300 cannot move in the left-right direction, the frame 200 is fixed, the frame 200 cannot easily move, and when collision occurs, the frame 200 and the PCB cannot easily move, so that the protection capability of the frame 200 is enhanced. It is easy to think that the shape of the boss 310 and the through hole 111 can also be circular, or other shapes. The through hole 111 may also be replaced by a counter bore (not shown), and the boss 310 may also play a role in positioning in cooperation with the counter bore, in this embodiment, the through hole is preferably adopted, the through hole 111 may communicate with the upper surface and the lower surface of the PCB 110, when the adhesive layer 130 covers, the adhesive layer 130 may flow into a gap in the through hole 111 from the upper surface of the PCB 110, so that the adhesive layer 130 is more firmly fixed on the upper surface of the PCB 110. The bottom plate 300 with still be provided with adhesive linkage 600 between the PCB board 110 lower surface, adhesive linkage 600 scribbles and establish in bottom plate 300 towards PCB board 110 one side, after bottom plate 300 and PCB board 110's rigidity, the adhesion of 600 adhesion of adhesive linkage bottom plate 300 with PCB board 110's lower surface for the frame 200 with PCB board 110 fixed connection can not remove, deuterogamies go up the boss 310 with through-hole 111 is fixed, makes the frame 200 with PCB board 110 connects more firmly, when the display screen fell, bottom plate 300 with difficult emergence displacement between the PCB board 110, the anti striking ability of LED display screen is stronger.

As shown in fig. 3 and 4, the top plate 500 includes a plurality of protruding detent teeth 510 and a plurality of clearance detent teeth 520, the protruding detent teeth 510 are disposed toward the inner side of the PCB 110 along the horizontal direction, the clearance detent teeth 520 are disposed toward the inner side of the PCB 110, and the clearance detent teeth 520 are disposed between two adjacent protruding detent teeth 510; when the frame 200 is fixed on the PCB 110, the protruding detent teeth 510 protrude into the gap between two adjacent LED beads 120. Protruding screens tooth 510 with keep away empty screens tooth 520 and form crisscross uneven roof 500 side, this side is the inboard side of roof 500 orientation PCB board 110, makes glue film 130 more easily adheres to on the uneven side of roof 500 when the injecting glue, and can not lead to the adhesion difficulty because the adhesion surface is too smooth level and smooth. The protruding clamping teeth 510 and the space-avoiding clamping teeth 520 can increase the fixing capacity of the glue layer 130 to the top plate 500, so that the top plate 500 is not easy to displace when collision occurs, and the anti-collision capacity of the LED display screen is enhanced. Protrusion screens tooth 510 protrusion stretches into adjacent two in LED lamp pearl 120 clearance, when carrying out the injecting glue between LED lamp pearl 120, wrap up in glue film 130 completely protrusion screens tooth 510 makes protrusion screens tooth 510 is spacing completely by glue film 130, makes whole frame 200 and PCB board 110 connect more tightly, and the relative position is more stable. The protruding clamping teeth 510 are also used for positioning when the frame 200 is installed, and the protruding clamping teeth 510 are aligned to the gap between the LED lamp beads 120, so that the positioning operation is more convenient. Keep away empty screens tooth 520 is shorter, when frame 200 installs, realizes keeping away empty to LED lamp pearl 120. Gaps are reserved between the two sides of the protruding clamping teeth 510 and the two adjacent LED lamp beads 120, and the protruding clamping teeth 510 are prevented from being in contact with the LED lamp beads 120 and conducting electricity. And the both sides of protrusion screens tooth 510 and the clearance between two adjacent LED lamp pearl 120 can form certain buffer space when the LED display screen bumps, receive when the striking protrusion screens tooth 510 can not collide LED lamp pearl 120 makes LED lamp pearl 120 damages. Protruding screens tooth 510 with keep away empty screens tooth 520 and seted up trench 530 towards the inboard one end of PCB board 110, trench 530 is the V-arrangement groove, and trench 530 can let glue film 130 stop in the place that needs the veneer better when the injecting glue adheres to, has avoided because protruding screens tooth 510 and keep away empty screens tooth 520 flank of tooth too level and smooth and be unfavorable for glue film 130 is attached to influence glue film 130 fixed to roof 500, influence frame 200's protective capacities. Roof 500 sets up protrusion screens tooth 510 with keep away empty screens tooth 520's shape for glue film 130 can adhere to better roof 500 with on the PCB board 110, make roof 500 with PCB board 110's connection is more fastened, and glue film 130 can also be in frame 200 with the region of buffering is formed to the upper surface of PCB board 110, through compression glue film 130 when bumping, lets the impact diminish, makes frame 200's guard action is stronger.

As shown in fig. 6, a certain gap is formed between the side plate 400 and the side surface of the PCB 110, and the adhesive layer 130 is filled in the gap between the side plate 400 and the side surface of the PCB 110, so that the surface of the inner side of the side plate 400 is fixedly connected with the side surface of the PCB 110 through the adhesive layer 130, the gluing area is large, the side plate 400 is more firmly connected with the side surface of the PCB 110, and the frame 200 is more firmly connected with the LED display screen. The adhesive layer 130 between the side plate 400 and the side surface of the PCB 110 can form a buffer space on the side surface of the LED display screen, the adhesive layer 130 fills the whole gap between the side surface of the PCB 110 and the side plate 400 to form a buffer layer with the largest area, the buffer layer has a large area, and the adhesive layer 130 filled between the side surface of the PCB 110 and the side plate 400 is of a flexible structure and has the function of buffering impact force; when the LED display screen is collided, the frame 200 receives an impact first, the impact force is transmitted to the adhesive layer 130, and the adhesive layer 130 reduces the impact force by compression, thereby playing a role in protection.

As shown in fig. 5 and 6, the PCB 110 is provided with a plurality of notches 112 at the edge position along the vertical direction, and the soft glue can smoothly flow into different positions of the gap between the side plate 400 and the side surface of the PCB 110 through the notches 112, so that the glue can be filled into all positions during glue injection, thereby preventing the glue from being cooled and blocking the gap due to the overlong gap between the side plate 400 and the side surface of the PCB 110 during glue injection, and preventing the glue from being filled into all positions of the gap between the side plate 400 and the side surface of the PCB 110, thereby preventing the side plate 400 from being badly glued with the PCB 110 and being not fully filled with the glue, and preventing the side plate 400 from falling off due to the badly glued side plate 400 and the PCB when the LED display screen collides with the frame 200. The shape of the notch 112, preferably, the present embodiment adopts an arc shape, and one side of the arc notch 112 facing the side plate 400 is opened, so that the arc notch 112 is communicated with the gap between the side surface of the PCB 110 and the side plate 400; during the injecting glue flexible glue fill through bow-shaped notch 112 PCB board 110 side with clearance between the curb plate 400, PCB board 110 side with clearance between the curb plate 400 sets up lessly, through filling bow-shaped notch 112, the buffer layer that can bodiness glue film 130 form works as when the LED display screen takes place to strike, thicker buffer layer can absorb more impact forces, makes frame 200's protective capacities stronger. Glue film 130 is attached to bow-shaped notch 112, has increased the PCB board 110 side with the bonding area of curb plate 400 makes PCB board 110 side with the connection of frame 200 is more firm, works as when the LED display screen takes place the striking, frame 200 is difficult for taking place the displacement, and the reinforcing frame 200 is right the protective capacities of LED display screen.

As shown in fig. 5 and 6, the frame 200 can protect the adhesive layer 130. The LED display screen of this embodiment needs a plurality of concatenations of making up when using, during the concatenation the side of LED display screen can collide each other and rub, and frame 200 is through covering the LED display screen the side of glue film 130 has been avoided the side of glue film 130 collision and the friction that take place when the concatenation and make glue film 130 damage right the LED display screen causes harmful effects. When glue is injected, the glue layer 130 is attached to the protruding clamping teeth 510 and the clearance clamping teeth 520 of the frame 200, so that the gluing area is increased, the bonding strength of the glue layer 130 to the frame 200 is increased, and the edge of the glue layer 130 is not easy to turn over due to insufficient bonding strength. In addition, the top plate 500 of the frame 200 fixes the adhesive layer 130 at the edge of the PCB 110 in a layered manner, so that the adhesive layer 130 exposed at the edge of the PCB 110 becomes thinner, the adhesive layer 130 is attached to the top plate 500 more tightly, and the adhesive layer 130 is not easily flanged.

As shown in fig. 7, the frame 200 is formed by combining four L-shaped frames 210 which are symmetrically arranged, one L-shaped frame 210 is installed at one corner of the PCB 110, and when the four L-shaped frames 210 are fixedly installed on the PCB 110, the periphery of the PCB 110 can be completely covered, so that the complete frame 200 can protect the LED screen. The four split frames 200 are arranged on the L-shaped frames 210, so that the frames 200 can be conveniently mounted, dismounted and processed, and the LED display screen is more convenient to maintain. The size of the frame 200 is rigidly fixed, so that the size of each LED display screen adopting the frame 200 is consistent, and the LED display screens are convenient to mount, splice and perform other related operations. It is contemplated that the bezel 200 may be split into other numbers and shapes depending on the shape of the PCB 110.

To sum up, the utility model provides a take frame to prevent LED display screen that collides with, frame 200 and the glue film 130 between the LED display screen that covers LED display screen side and each limit through the setting make the buffer layer and protect the inside LED display screen of frame 200.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (10)

1. The utility model provides a take frame to prevent LED display screen that collides with, includes the PCB board, arranges and installs a plurality of LED lamp pearls on the PCB board cover PCB board surface and packing the glue film in LED lamp pearl clearance, its characterized in that still including the frame, the frame is fixed to be set up on the periphery of PCB board, the glue film is filled the frame with clearance between the PCB board.

2. The LED display screen with the frame for preventing collision according to claim 1, wherein the frame comprises a bottom plate, a side plate integrally formed at the outer side of the bottom plate along a vertical direction, and a top plate integrally formed at the upper end of the side plate along a horizontal direction; the bottom plate is located below the PCB, the side plate is located outside the PCB, and the top plate is located above the PCB.

3. The LED display screen with the frame for preventing collision according to claim 2, wherein an adhesive layer is arranged between the bottom plate and the PCB.

4. The LED display screen with the frame for preventing collision according to claim 2, wherein a boss is arranged on one surface of the bottom plate contacting the PCB, a through hole is arranged on one surface of the PCB contacting the bottom plate, and the boss and the through hole are in clamping fit to fix the frame on the PCB.

5. The LED display screen of colliding with is prevented to band edge frame, its characterized in that, the roof is including the protrusion screens tooth that a plurality of intervals set up and keep away empty screens tooth, keep away empty screens tooth and be located in the clearance between the protrusion screens tooth, protrusion screens tooth is located adjacent two between the LED lamp pearl, the glue film covers protrusion screens tooth with keep away the upper surface of empty screens tooth, the glue film is filled protrusion screens tooth keep away empty screens tooth with in the clearance between the PCB board.

6. The LED display screen with the frame for preventing collision according to claim 5, wherein the protruding clamping teeth and the clearance clamping teeth are provided with slots.

7. The LED display screen with the frame for preventing collision according to claim 2, wherein a gap is formed between the side plate and the side face of the PCB, and the glue layer fills the gap between the side plate and the side face of the PCB.

8. The LED display screen with the frame for preventing collision according to claim 7, wherein the edge of the PCB is provided with a notch along the vertical direction.

9. The LED display screen with the frame for preventing collision according to any one of claims 1 to 8, wherein the frame is formed by splicing four L-shaped frames which are symmetrically arranged.

10. The LED display screen with the frame for preventing collision according to claim 9, wherein the frame is a metal frame.

Images