CN219162947U

CN219162947U - Cut and splice transparent screen

Info

Publication number: CN219162947U
Application number: CN202222557872.0U
Authority: CN
Inventors: 程好文
Original assignee: Guangdong Haotian Electronics Group Co ltd
Current assignee: Guangdong Haotian Electronics Group Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-09
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a cutting and splicing transparent screen, which comprises a PCB, a backboard and a plurality of groups of power supply boxes, wherein a plurality of rows of lamp beads which are arranged at intervals are arranged on one end face of the PCB, a plurality of cutting lines are arranged on the PCB, cutting positions are formed after cutting the cutting lines, pins are arranged at two ends of the other end face of the PCB, a plurality of rows of control chips which are arranged at intervals are arranged on the other end face of the PCB, a containing groove is formed in one end face of the backboard, the other end of the PCB is arranged in the containing groove, a waterproof layer is filled in one end face of the PCB, the waterproof layer extends to the cutting positions of the end parts to form wrapping parts, two connectors are extended on the other end face of the backboard, the connectors are close to the pins, through grooves are formed in one end face of each connector, a plurality of pairs of interfaces which are arranged at intervals are formed on one end face of the power supply box, and the two connectors are respectively inserted into adjacent interfaces in a sliding manner to be fixed. The utility model provides a transparent screen which is cut and spliced, can customize the length and the size of the transparent screen, and has an outdoor waterproof effect.

Description

Cut and splice transparent screen

Technical Field

The utility model relates to the technical field of LED display screens, in particular to a transparent screen for cutting and splicing.

Background

The LED transparent screen is a novel transparent display product created by the visual principle of a user, the structure of a lamp strip is similar to a shutter, lamp beads are uniformly distributed on the lamp strip in a lattice mode and are generally arranged indoors, the building space and the appearance are not required to be changed, and the LED transparent screen has the characteristics of high permeability, high brightness, bright color and the like.

The existing outdoor transparent screen mostly adopts a rectangular outline structure, and when a complete display screen is formed by splicing a plurality of transparent screens, the display screen also presents a rectangular outline. The display screen has the advantages that the outline of the display screen formed by the transparent screen cannot be customized according to the use scene, and the display effect of the transparent screen is single. And, because the transparent screen is installed in the open air the rainwater easily enters into the transparent screen inside and causes the short circuit, the waterproof requirement to the transparent screen is higher.

Disclosure of Invention

The utility model aims to provide a transparent screen which is cut and spliced, can customize the length and the size of the transparent screen, and has an outdoor waterproof effect.

The utility model discloses a transparent screen for cutting and splicing, which adopts the technical scheme that the transparent screen comprises a PCB, a back plate and a plurality of groups of power supply boxes, wherein a plurality of rows of lamp beads are arranged on one end face of the PCB at intervals, a plurality of cutting lines are arranged on the PCB, cutting positions are formed after cutting the cutting lines, pins are arranged at two ends of the other end face of the PCB, a plurality of rows of control chips are arranged on the other end face of the PCB at intervals, the control chips are electrically connected with one row of lamp beads, a containing groove is formed in one end face of the back plate, the other end of the PCB is arranged in the containing groove, a waterproof layer is filled on one end face of the PCB, a wrapping part is formed at the cutting position of the waterproof layer extending to the end, two connectors are extended on the other end face of the back plate, the connectors are close to the pins, through grooves are formed in one end face of the connectors, the through grooves are communicated with the containing groove, a plurality of pairs of interfaces which are arranged at intervals are formed on one end face of the power supply box, and the two connectors are respectively and slidably inserted into adjacent interfaces to be fixed.

As the preferred scheme, a plurality of first light-transmitting grooves are formed in the PCB, the first light-transmitting grooves are located between two rows of adjacent lamp beads, a plurality of parallel second light-transmitting grooves are formed in the middle of the back plate, protrusions extend on the inner sides of the second light-transmitting grooves, and the first light-transmitting grooves are sleeved on the outer sides of the protrusions.

As a preferable scheme, the middle part of the backboard is provided with a plurality of reinforcing parts which are distributed at intervals, the accommodating groove penetrates through the reinforcing parts, and the reinforcing parts are close to the control chip.

As a preferable scheme, a plurality of reinforcing ribs are arranged on the end face of the other end of the backboard, and the reinforcing ribs are located between two adjacent second light-transmitting grooves.

As a preferable scheme, two waterproof grooves are formed in the end face of the other end of the backboard, waterproof rings are embedded in the waterproof grooves, and the waterproof grooves encircle the joint.

As the preferred scheme, the power supply box comprises a main body and a waterproof cover, wherein a plurality of pairs of interfaces which are arranged at intervals are arranged on the end face of one end of the main body, a containing cavity is arranged on the end face of the other end of the main body, the containing cavity is communicated with the interfaces, a step extends at the opening of the containing cavity, the waterproof cover is rotatably connected to the outer side of the main body, and the waterproof cover is arranged on the outer side of the step.

As a preferable scheme, the power supply box also comprises an outer frame, and the inner sides of the outer frame are connected with the two sides of the power supply box.

The transparent screen for cutting and splicing has the beneficial effects that: through being equipped with multirow control chip on the PCB board, control chip links firmly with a row of lamp pearl for remaining lamp pearl can not be because of after the tailorring of PCB board and disconnected with control chip.

Waterproof layers are filled on the PCB and the cutting positions, so that the transparent screen is not affected by rainwater infiltration when laid outdoors.

Drawings

FIG. 1 is a front view of a cut-and-splice transparent screen of the present utility model.

Fig. 2 is a rear view of a cut-and-splice transparent screen of the present utility model.

Fig. 3 is a schematic diagram of a back plate and a PCB board of a transparent screen cut and spliced in accordance with the present utility model after cutting.

Fig. 4 is a schematic diagram of a Printed Circuit Board (PCB) of a cut-and-splice transparent screen according to the present utility model.

Fig. 5 is a schematic diagram of a cut-and-splice Printed Circuit Board (PCB) of a transparent screen according to the present utility model.

FIG. 6 is a front view of a back panel of a cut-and-splice transparent screen of the present utility model.

Fig. 7 is a rear view of a back panel of a cut-and-splice transparent screen of the present utility model.

Fig. 8 is a partial view of a body of a cut-and-splice transparent screen of the present utility model.

Fig. 9 is a cross-sectional view of a power supply box of a cut-and-splice transparent screen of the present utility model.

Fig. 10 is a cross-sectional view of a power box and back panel of a cut-and-splice transparent screen of the present utility model.

Detailed Description

The utility model is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:

please refer to fig. 1-7.

The utility model aims to provide a cut and spliced transparent screen, which comprises a PCB 11, a back plate 21, a plurality of groups of power boxes 31 and an outer frame 41.

The PCB 11 is provided with a plurality of rows of lamp beads 111 which are arranged at intervals on one end face. Pins 112 are arranged at two ends of the end face of the other end of the PCB 11. The other end face of the PCB 11 is provided with a plurality of rows of control chips 113 which are arranged at intervals, the control chips 113 are positioned between two rows of adjacent lamp beads 111, and the control chips 113 are electrically connected with one row of lamp beads 111 on one side. A plurality of first light-transmitting grooves 114 are formed in the PCB 11, the first light-transmitting grooves 114 penetrate through the PCB 11, and the first light-transmitting grooves 114 are located between two rows of adjacent lamp beads 111.

An accommodating groove 211 is formed in one end face of the back plate 21. The other end face of the back plate 21 is extended with two connectors 212, and the two connectors 212 are respectively positioned at two sides of the back plate 21. The connector 212 is close to the adjacent pin 112, a through groove 213 is formed in one end face of the connector 212, and the through groove 213 is communicated with the accommodating groove 211. Two waterproof grooves 214 are formed in the end face of the other end of the back plate 21, the waterproof grooves 214 encircle the joint 212, and waterproof rings 215 are embedded in the waterproof grooves 214. The middle part of the back plate 21 is provided with a plurality of reinforcement parts 216 which are arranged at intervals, and the accommodating groove 211 penetrates through the reinforcement parts 216.

A plurality of parallel second light-transmitting grooves 217 are formed in the middle of the back plate 21, a plurality of reinforcing ribs 218 are arranged on the end face of the other end of the back plate 21, and the reinforcing ribs 218 are located between two adjacent second light-transmitting grooves 217. The second light-transmitting groove 217 has a protrusion 219 extending therefrom, and the protrusion 219 is disposed in the accommodating groove 211.

The other end of the PCB 11 is placed in the accommodating groove 211, the first light-transmitting groove 114 is sleeved outside the bulge 219, and the reinforcing part 216 is close to the control chip 113. The PCB 11 and the back plate 21 are provided with a plurality of cutting lines, the cutting lines are located between two adjacent lamp beads 111, and the cutting lines are cut to form cutting positions 22. The end face of one end of the PCB 11 is filled with a waterproof layer, and the waterproof layer extends to a cutting part 22 of the end and covers to form a wrapping part.

When the screen is used, the scene requirement is that the outer contours of the PCB 11 and the backboard 21 are cut through cutting lines on the PCB 11 and the backboard 21, and when a plurality of cut transparent screens are combined into the screen, the outer contours can be customized according to the requirement. And, all fill the waterproof layer at the surface of PCB board 11 and tailorring department 22 for when the transparent screen after tailorring is installed outdoors, equipment does not receive the influence of rainwater to lead to damaging.

Please refer to fig. 2 and fig. 8-10.

The power box 31 comprises a main body 32 and a waterproof cover 33, wherein a plurality of pairs of interfaces 321 which are arranged at intervals are arranged on the end face of one end of the main body 32, a containing cavity 322 is arranged on the end face of the other end of the main body 32, the containing cavity 322 is communicated with the interfaces 321, a step 323 is extended at the opening of the containing cavity 322, the waterproof cover 33 is rotatably connected to the outer side of the main body 32, and the waterproof cover 33 is covered on the outer side of the step 323. The other end face of the main body 32 is provided with two hanging rings 324, and the equipment is hung outdoors through the hanging rings 324. The outside of main part 32 and waterproof cover 33 is equipped with retaining member 331, through retaining member 331 with waterproof cover 33 hasp on main part 32, and the waterproof cover 33 breaks away from in the use of placing equipment.

When rainwater permeates into the power box 31, the step 323 is arranged at the opening of the accommodating cavity 322, so that the rainwater can be isolated outside the opening of the accommodating cavity 322, and the waterproof effect of the power box 31 is improved.

In this embodiment, three power supply boxes 31 are preferable, and the three power supply boxes 31 are arranged in parallel and at intervals. The back plate 21 is placed between two adjacent power boxes 31, two connectors 212 are respectively inserted into adjacent interfaces 321 in a sliding manner to be fixed, and the waterproof ring 215 is propped against the end face of one end of the main body 32. The inner side of the outer frame 41 is connected with the two sides of the power box 31, and the inner side of the outer frame 41 is contacted with the cutting part 22 of the backboard 21. The inner wall of the outer frame 41 is attached to the outer contour formed by cutting a plurality of transparent screens, and in this embodiment, the outer frame 41 is preferably circular.

The utility model provides a cutting and splicing transparent screen, wherein a plurality of rows of control chips are arranged on a PCB (printed circuit board), the control chips are connected with a row of lamp beads in parallel, so that the rest lamp beads are not disconnected with the control chips due to cutting of the PCB, and waterproof layers are filled on the PCB and cutting positions, so that the transparent screen is not affected by rainwater infiltration when being arranged outdoors.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The transparent screen is characterized by comprising a PCB, a back plate and a plurality of groups of power supply boxes, wherein a plurality of rows of lamp beads are arranged on the end face of one end of the PCB at intervals, a plurality of cutting lines are arranged on the PCB, cutting positions are formed after the cutting lines are cut, pins are arranged at two ends of the end face of the other end of the PCB, a plurality of rows of control chips are arranged on the end face of the other end of the PCB at intervals, and the control chips are electrically connected with one row of lamp beads;

the end face of one end of the backboard is provided with a containing groove, the other end of the PCB is arranged in the containing groove, the end face of one end of the PCB is filled with a waterproof layer, a wrapping part is formed at a cutting part of the end part extending to the waterproof layer, the end face of the other end of the backboard is extended with two connectors, the connectors are close to the pin header, the end face of one end of each connector is provided with a through groove, and the through groove is communicated with the containing groove;

the end face of one end of the power supply box is provided with a plurality of pairs of interfaces which are arranged at intervals, and the two connectors are respectively inserted into adjacent interfaces in a sliding way to be fixed.

2. The transparent screen of claim 1, wherein the PCB board is provided with a plurality of first light-transmitting grooves, the first light-transmitting grooves are located between two rows of adjacent beads, the middle of the back board is provided with a plurality of parallel second light-transmitting grooves, the inner side of the second light-transmitting grooves extends to form a protrusion, and the first light-transmitting grooves are sleeved outside the protrusion.

3. The transparent screen of claim 2, wherein a plurality of reinforcement parts are arranged at intervals in the middle of the back plate, the accommodating groove penetrates through the reinforcement parts, and the reinforcement parts are close to the control chip.

4. A cut and spliced transparent screen as claimed in claim 3, wherein a plurality of reinforcing ribs are provided on the end face of the other end of the back plate, and the reinforcing ribs are located between two adjacent second light-transmitting grooves.

5. A cut and spliced transparent screen as claimed in claim 3, wherein two waterproof grooves are formed in the end face of the other end of the back plate, waterproof rings are embedded in the waterproof grooves, and the waterproof grooves encircle the joint.

6. The transparent screen of claim 5, wherein the power box comprises a main body and a waterproof cover, a plurality of pairs of interfaces are arranged at intervals on one end face of the main body, a containing cavity is arranged on the other end face of the main body, the containing cavity is communicated with the interfaces, a step extends at the opening of the containing cavity, the waterproof cover is rotatably connected to the outer side of the main body, and the waterproof cover is arranged on the outer side of the step.

7. The cut and spliced transparent screen of claim 6, further comprising an outer frame, wherein the inner side of the outer frame is connected to two sides of the power supply box.