CN216161366U

CN216161366U - PCB of LED display device and LED display device

Info

Publication number: CN216161366U
Application number: CN202122213693.0U
Authority: CN
Inventors: 李炳锋; 甘显刚
Original assignee: Shenzhen Leyard Optoelectronic Co Ltd
Current assignee: Shenzhen Leyard Optoelectronic Co Ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-04-01
Anticipated expiration: 2031-09-13

Abstract

The utility model provides a PCB of an LED display device and the LED display device, wherein the PCB of the LED display device comprises: the plate body comprises a first strip-shaped part and a second strip-shaped part which are arranged at intervals, and further comprises a first connecting plate and a second connecting plate which are arranged at intervals, wherein the first connecting plate and the second connecting plate are connected between the first strip-shaped part and the second strip-shaped part, a avoidance hole is defined by the first strip-shaped part, the second strip-shaped part, the first connecting plate and the second connecting plate, a first avoidance opening is defined by the first strip-shaped part, the second strip-shaped part and the first connecting plate, and the avoidance hole and the first avoidance opening are arranged at intervals along the length direction of the plate body; and the power supply connecting part is arranged at the edge of the first strip part corresponding to the avoiding hole and/or the first avoiding notch. The technical scheme of this application has solved the inside chaotic problem of wiring of box among the correlation technique effectively.

Description

PCB of LED display device and LED display device

Technical Field

The utility model relates to the technical field of LED display, in particular to a PCB of an LED display device and the LED display device.

Background

With the development of the LED display screen industry, LED display screens are used for indoor and outdoor large-screen display in more and more occasions. Such as a smart city center, a traffic safety command center, an emergency management center, etc.

In these usage scenarios, closely spaced LED display screens are often used as a comprehensive information display platform. The booth is equipped with a plurality of LED display screens, the LED display screens are arranged at intervals, the PCB boards for controlling the display screens in the corresponding box body are also arranged at a plurality of blocks, and the PCB boards are connected by wires, so that the wiring inside the box body is disordered.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a PCB of an LED display device and the LED display device, so as to solve the problem of disordered wiring inside a box body in the related art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a PCB board of an LED display device, including: the plate body comprises a first strip-shaped part and a second strip-shaped part which are arranged at intervals, and further comprises a first connecting plate and a second connecting plate which are arranged at intervals, wherein the first connecting plate and the second connecting plate are connected between the first strip-shaped part and the second strip-shaped part, a avoidance hole is defined by the first strip-shaped part, the second strip-shaped part, the first connecting plate and the second connecting plate, a first avoidance opening is defined by the first strip-shaped part, the second strip-shaped part and the first connecting plate, and the avoidance hole and the first avoidance opening are arranged at intervals along the length direction of the plate body; and the power supply connecting part is arranged at the edge of the first strip part corresponding to the avoiding hole and/or the first avoiding notch.

Further, the width of the first strip portion is greater than the width of the second strip portion.

Furthermore, the avoiding hole is a rectangular hole or a chamfered rectangular hole; the width of the first avoidance gap is equal to the width of the avoidance hole.

Furthermore, the number of the power supply connecting parts is two, one of the power supply connecting parts is arranged at the edge of the first strip-shaped part corresponding to the avoiding hole, the other power supply connecting part is arranged at the edge of the first strip-shaped part corresponding to the first avoiding notch, and each power supply connecting part comprises two power supply connecting points.

Furthermore, a second avoiding opening is formed by the first strip-shaped portion, the second strip-shaped portion and the second connecting plate in a surrounding mode, the second avoiding opening and the avoiding hole are arranged at intervals along the length direction of the plate body, and the avoiding hole is located between the first avoiding opening and the second avoiding opening.

Further, the PCB board of the LED display device further includes: the power supply circuit is integrated on the plate body, and the power supply connecting part is positioned in the power supply circuit; the signal circuit is integrated on the plate body; the first joint is arranged on the plate body and positioned in the signal circuit; and the second joint is arranged on the plate body and is positioned in the power circuit.

Furthermore, the first joints and the second joints are multiple, one first joint and one second joint are arranged at intervals along the length direction of the plate body to form wiring sets, the wiring sets are multiple, one part of the wiring sets is arranged on the first strip-shaped portion at intervals, and the rest parts of the wiring sets are arranged on the second strip-shaped portion at intervals.

According to another aspect of the utility model, an LED display device is provided, which includes a PCB board, and the PCB board is the PCB board of the LED display device.

Further, the LED display device further comprises a box body and a plurality of display screens, the PCB is installed on the front side of the box body, the first strip-shaped portion of the PCB is connected to the box body through a first fastener, the second strip-shaped portion of the PCB is connected to the box body through a second fastener, and each display screen is installed on the front side of the PCB.

Further, the power supply connecting part comprises a first power supply connecting part arranged at the edge of the first strip part corresponding to the first avoiding opening and a second power supply connecting part arranged at the edge of the first strip part corresponding to the avoiding hole, the LED display device further comprises a first power supply and a second power supply which are installed in the box body, the first power supply is located in the avoiding hole, the second power supply is located in the first avoiding opening, the first power supply is provided with a first contact, the first contact is connected with the first power supply connecting part, the second power supply is provided with a second contact, and the second contact is connected with the second power supply connecting part.

By applying the technical scheme of the utility model, the PCB of the LED display device comprises: plate body and power connection portion. The plate body comprises a first strip-shaped part and a second strip-shaped part which are arranged at intervals. The plate body further comprises a first connecting plate and a second connecting plate which are arranged at intervals. The first connecting plate and the second connecting plate are connected between the first strip-shaped portion and the second strip-shaped portion. Wherein, enclose between first bar portion, the second bar portion, first connecting plate and the second connecting plate and dodge the hole. A first avoiding opening is formed by the first strip-shaped part, the second strip-shaped part and the first connecting plate in a surrounding mode. The avoidance hole and the first avoidance notch are arranged at intervals along the length direction of the plate body. The power supply connecting part is arranged at the edge of the first strip-shaped part corresponding to the avoiding hole and/or the first avoiding notch. The PCB of the LED display device is arranged in the box body, the power supply can be placed in the avoiding hole and/or the first avoiding opening, the contact of the power supply can be in contact with the power supply connecting part, and the electric conduction is realized through the plate body. Meanwhile, the power supply circuit can be arranged on the board body, the phenomenon that a plurality of PCB boards are connected through wires in the related technology is not needed, and wiring disorder inside the box body is prevented. Therefore, the technical scheme of this application has solved the inside chaotic problem of wiring of box among the correlation technique effectively.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a PCB board of an LED display device according to the present invention;

fig. 2 is a schematic perspective view illustrating a structure in which a PCB board of an embodiment of an LED display device according to the present invention is mounted in a case;

FIG. 3 shows an enlarged schematic view at A of the LED display device of FIG. 2; and

fig. 4 shows an enlarged schematic view at B of the LED display device of fig. 2.

Wherein the figures include the following reference numerals:

10. a plate body; 11. avoiding holes; 121. a first avoidance gap; 122. a second avoidance gap; 13. a first bar-shaped portion; 141. a first connecting plate; 142. a second connecting plate; 15. a second bar-shaped portion; 16. a power connection point; 20. a first joint; 30. a second joint; 40. a box body; 41. a first fastener; 42. a second fastener; 51. a first power supply; 511. a first contact; 52. a second power supply; 521. a second contact.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 2, the PCB board of the LED display device of the present embodiment includes: a plate body 10 and a power supply connection part. The plate body 10 includes a first strip portion 13 and a second strip portion 15 which are arranged at an interval. The plate body 10 further includes a first connecting plate 141 and a second connecting plate 142 which are spaced apart from each other. The first and

second connection plates

141 and 142 are each connected between the first and second bar-shaped

portions

13 and 15. The avoidance holes 11 are defined among the first strip-shaped portion 13, the second strip-shaped portion 15, the first connecting plate 141 and the second connecting plate 142. A first avoiding gap 121 is defined among the first strip-shaped part 13, the second strip-shaped part 15 and the first connecting plate 141. The avoidance holes 11 and the first avoidance notches 121 are arranged at intervals along the length direction of the plate body 10. The power connection portion is provided at an edge of the first strip portion 13 corresponding to the avoidance hole 11 and the first avoidance notch 121.

With the technical solution of this embodiment, the power connection portion is disposed at the edge of the first bar-shaped portion 13 corresponding to the avoiding hole 11 and/or the first avoiding notch 121. The PCB of the LED display device is arranged in the box body, the power supply can be placed in the avoiding hole 11 and the first avoiding opening 121, the contact of the power supply can be in contact with the power supply connecting part, and the electric conduction is realized through the plate body 10. Meanwhile, the board body 10 can arrange the power supply circuit without the phenomenon of wire connection among a plurality of PCB boards in the related art, and the wiring disorder inside the box body is prevented. Therefore, the technical scheme of the embodiment effectively solves the problem of disordered wiring inside the box body in the related art. The first connecting plate 141 and the second connecting plate 142 are connected between the first bar-shaped portion 13 and the second bar-shaped portion 15, so that the first bar-shaped portion 13, the second bar-shaped portion 15, the first connecting plate 141 and the second connecting plate 142 are connected into a whole, and the plate body 10 is of a single structure. The PCB is a Printed Circuit Board (Printed Circuit Board).

Of course, in embodiments not shown in the figures, the power connection is provided at the edge of the first strip-shaped portion corresponding to the avoidance hole or to the first avoidance gap. Accordingly, the power source may be placed within the avoidance hole or the first avoidance breach.

As shown in fig. 1, in order to secure the structural strength of the plate body 10 by disposing the power supply connection part on the first strip part 13, the width of the first strip part 13 is greater than the width of the second strip part 15.

As shown in fig. 1, in order to smoothly evacuate the evacuation hole 11 from the power supply, the evacuation hole 11 is a chamfered rectangular hole. Therefore, the shape of the avoiding hole 11 of the chamfer rectangular hole is matched with the shape of the power supply, so that the avoiding hole 11 can be avoided smoothly. The width of the first avoidance gap 121 is equal to the width of the avoidance hole 11. Similarly, the shape of the first avoiding notch 121 is adapted to the shape of the power supply, so that the first avoiding notch 121 can avoid the power supply smoothly. Of course, in embodiments not shown in the figures, the relief holes may be rectangular holes.

As shown in fig. 1 and 2, the number of the power supply connection portions is two. One of which is arranged at the edge of the first strip-shaped part 13 corresponding to the avoidance hole 11 and the other of which is arranged at the edge of the first strip-shaped part 13 corresponding to the first avoidance gap 121, each power connection part comprising two power connection points 16. In this embodiment, the power sources include a first power source 51 (see below) and a second power source 52 (see below), the first power source 51 is mounted in the avoidance hole 11, the two power source connection points 16 are connected to a first contact of the first power source 51, the second power source 52 is mounted in the first avoidance gap 121, and the two power source connection points 16 are connected to a first contact of the second power source 52. In this way, conduction of current is facilitated.

As shown in fig. 1 and fig. 2, the box body of the present embodiment is further provided with a connecting column, and in order to avoid the connecting column, a second avoiding gap 122 is defined among the first strip-shaped portion 13, the second strip-shaped portion 15 and the second connecting plate 142. The second avoidance gap 122 and the avoidance hole 11 are arranged at intervals along the length direction of the plate body 10, and the avoidance hole 11 is located between the first avoidance gap 121 and the second avoidance gap 122. In this way, the second avoidance gap 122 can avoid the connecting column. In this embodiment, the width of the second avoidance gap 122 is equal to the width of the avoidance hole 11. The volume of the second avoidance gap 122 is less than the volume of the first avoidance gap.

As shown in fig. 1 and 2, the PCB board of the LED display device further includes: power supply lines, signal lines, a first connector 20, and a second connector 30. Power supply lines are integrated on the board body 10, and power supply connection portions are located in the power supply lines. The signal lines are integrated on the board body 10. The first connector 20 is disposed on the board body 10 and located in the signal line. The second connector 30 is disposed on the board body 10 and is located in the power supply line. The LED display device of this embodiment further includes a display screen (not shown in the figure) mounted on the case. The display screen is provided with a first plug and a second plug at intervals, the first connector 20 is plugged with the first plug, and the second connector 30 is plugged with the second plug. Thus, the power line can provide power for the display of the display screen, and the signal line can provide signals for the display of the display screen. The power supply circuit is integrated on the board body 10, so that the phenomenon of wire connection among multiple PCB boards in the related art can be effectively avoided, the problem that wiring inside the box body is disordered and the installation consumes more man hours is solved.

As shown in fig. 1 and 2, the display screen of the present embodiment is multiple, and the multiple display screens are sequentially spliced on the box body. Each display panel needs to be connected to power lines and signal lines, and the first connector 20 and the second connector 30 are plural. A first contact 20 and a second contact 30 are spaced apart along the length of the board body 10 to form a plurality of wiring sets, a part of the plurality of wiring sets is spaced apart from the first bar-shaped portion 13, and the remaining part of the plurality of wiring sets is spaced apart from the second bar-shaped portion 15. Therefore, each wiring group is connected with the first plug and the second plug on one display screen, and power supply and signals are provided for display of the display screen.

The application also provides an LED display device, as shown in fig. 2 to 4, the LED display device of the embodiment includes a PCB, and the PCB is the PCB of the LED display device. Because the PCB of the LED display device can solve the problem of disordered wiring inside the box body in the related technology, the LED display device comprising the PCB can solve the same technical problem.

As shown in fig. 2 to 4, the LED display device further includes a case 40 and a plurality of display screens (not shown in the drawings). The PCB board is mounted on the front side of the case 40. The first bar 13 of the PCB is coupled to the case 40 by a first fastener 41. Thus, the first fastening member 41 fixes the first bar 13 to the case 40. The second bar 15 of the PCB is coupled to the case 40 by a second fastening member 42 such that the second fastening member 42 fixes the second bar 15 to the case 40. Each display screen is installed on the front side of the PCB. The first fastening member 41 is disposed near the wiring group on the first bar portion 13, and the second fastening member 42 is disposed near the wiring group on the second bar portion 15, so that the PCB is more firmly fixed, preventing the PCB from being loosened when the display screen is detached. The first fastening member 41 and the second fastening member 42 of the present embodiment are preferably screws.

As shown in fig. 2 to 4, the power supply connection part includes a first power supply connection part disposed at an edge of the first bar-shaped part 13 corresponding to the first avoidance gap 121 and a second power supply connection part disposed at an edge of the first bar-shaped part 13 corresponding to the avoidance hole 11, and the LED display device further includes a first power supply 51 and a second power supply 52 mounted in the case 40. The first power supply 51 is positioned in the avoidance hole 11, the second power supply 52 is positioned in the first avoidance notch 121, the first power supply 51 is provided with a first contact 511, the first contact 511 is connected with the first power supply connecting part, the second power supply 52 is provided with a second contact 521, and the second contact 521 is connected with the second power supply connecting part. In this way, the first contact 511 of the first power supply 51 is connected to the first power supply connection portion, so that after the first bar-shaped portion 13 of the PCB is connected to current, the current flows into the second bar-shaped portion 15 through the first connection plate 141. The second contact 521 of the second power source 52 is connected to the second power source connection portion, so that after the first strip portion 13 of the PCB is connected to a current, the current flows into the second strip portion 15 through the second connection plate 142.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A PCB board of an LED display device is characterized by comprising:

a plate body (10) comprising a first strip-shaped part (13) and a second strip-shaped part (15) which are arranged at intervals, the plate body (10) also comprises a first connecting plate (141) and a second connecting plate (142) which are arranged at intervals, said first connecting plate (141) and said second connecting plate (142) being connected between said first strip-shaped portion (13) and said second strip-shaped portion (15), wherein, a yielding hole (11) is enclosed among the first strip-shaped part (13), the second strip-shaped part (15), the first connecting plate (141) and the second connecting plate (142), a first avoiding gap (121) is enclosed among the first strip-shaped part (13), the second strip-shaped part (15) and the first connecting plate (141), the avoidance holes (11) and the first avoidance gaps (121) are arranged at intervals along the length direction of the plate body (10);

and the power supply connecting part is arranged at the edge of the first strip-shaped part (13) corresponding to the avoiding hole (11) and/or the first avoiding gap (121).

2. The PCB board of the LED display device according to claim 1, wherein the width of the first bar portion (13) is greater than the width of the second bar portion (15).

3. The PCB board of the LED display device according to claim 1, wherein the avoiding hole (11) is a rectangular hole or a chamfered rectangular hole; the width of the first avoidance gap (121) is equal to that of the avoidance hole (11).

4. The PCB board of the LED display device according to claim 1, wherein the number of the power connection parts is two, one of the power connection parts is arranged at the edge of the first bar-shaped part (13) corresponding to the avoiding hole (11), and the other power connection part is arranged at the edge of the first bar-shaped part (13) corresponding to the first avoiding gap (121), and each power connection part comprises two power connection points (16).

5. The PCB board of the LED display device according to any one of claims 1 to 4, wherein a second avoidance gap (122) is defined among the first bar-shaped part (13), the second bar-shaped part (15) and the second connecting board (142), the second avoidance gap (122) and the avoidance hole (11) are arranged at intervals along the length direction of the board body (10), and the avoidance hole (11) is located between the first avoidance gap (121) and the second avoidance gap (122).

6. The PCB of the LED display device of any of claims 1 to 4, further comprising:

a power supply circuit integrated on the board body (10), the power supply connection part being located in the power supply circuit;

a signal line integrated on the board body (10);

a first connector (20) arranged on the board body (10) and located in the signal line;

and a second connector (30) arranged on the plate body (10) and positioned in the power circuit.

7. The PCB board of the LED display device according to claim 6, wherein the first connector (20) and the second connector (30) are a plurality of connectors, one connector (20) and one connector (30) are arranged at intervals along the length direction of the board body (10) and form a plurality of wiring sets, a part of the plurality of wiring sets are arranged at intervals on the first bar-shaped portion (13), and the rest of the plurality of wiring sets are arranged at intervals on the second bar-shaped portion (15).

8. An LED display device comprising a PCB board, wherein the PCB board is the PCB board of the LED display device of any one of claims 1 to 7.

9. The LED display device according to claim 8, further comprising a case (40) and a plurality of display screens, wherein the PCB board is mounted on a front side of the case (40), the first bar-shaped portion (13) of the PCB board is connected to the case (40) by a first fastening member (41), the second bar-shaped portion (15) of the PCB board is connected to the case (40) by a second fastening member (42), and each of the display screens is mounted on the front side of the PCB board.

10. The LED display device according to claim 9, wherein the power supply connection portion comprises a first power supply connection portion provided at an edge of the first bar-shaped portion (13) corresponding to the first avoidance notch (121) and a second power supply connection portion provided at an edge of the first bar-shaped portion (13) corresponding to the avoidance hole (11), the LED display device further comprises a first power supply (51) and a second power supply (52) mounted in the case (40), the first power supply (51) is positioned in the avoidance hole (11), the second power supply (52) is positioned in the first avoidance gap (121), the first power source (51) has a first contact (511), the first contact (511) is connected with the first power source connection part, the second power source (52) has a second contact (521), the second contact (521) being connected with the second power source connection.