CN210378234U

CN210378234U - Ultra-small-interval LED display screen using 480 box body

Info

Publication number: CN210378234U
Application number: CN201921564550.0U
Authority: CN
Inventors: 曹春权; 张哲�; 吴涛; 鄢来飞; 聂金星
Original assignee: Shenzhen Tailong Vision Technology Co Ltd
Current assignee: Shenzhen Tailong Vision Technology Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-21
Anticipated expiration: 2029-09-17

Abstract

The utility model belongs to the technical field of the display screen, concretely relates to use super little interval LED display screen of 480 boxes. The technical scheme is as follows: an ultra-small-space LED display screen using a 480 box body comprises a die-casting frame and an LED module, wherein the die-casting frame is connected with a plurality of magnet blocks, the LED module is connected with a plurality of iron columns, and the magnet blocks and the iron columns are in one-to-one correspondence and are adsorbed; a plurality of control deep holes are further formed in the LED module, a plurality of positioning columns are fixed on the die-casting frame, and the positioning columns are sleeved in the control deep holes. The utility model provides a guarantee the super little interval LED display screen of use 480 boxes of installation accuracy when making things convenient for quick assembly disassembly.

Description

Ultra-small-interval LED display screen using 480 box body

Technical Field

The utility model belongs to the technical field of the display screen, concretely relates to use super little interval LED display screen of 480 boxes.

Background

The LED display screen is composed of independent LED luminous points, and red, green and blue LEDs are arranged in each luminous point. In the past, due to technical limitation, the dot spacing of the LED screen is usually more than 10mm, and the LED screen is widely applied to large outdoor screens. However, with the rapid development of the LED technology, the dot spacing of the LED screen is made smaller and smaller, and the small-spacing LED display screen gradually enters the field of indoor display screens.

Traditional booth is apart from LED display screen and is controlled seamless concatenation by a plurality of independent boxes from top to bottom and form, and every independent box is again by the concatenation of a plurality of little LED modules, and traditional LED module has included PCB, plastic drain pan, LED emitting diode etc..

In order to facilitate quick assembly and disassembly, in the prior art, the LED module is connected to the box body in a magnetic suction mode, but when the LED module is connected in the magnetic suction mode, the LED module and the box body are difficult to be accurately positioned. During installation, the magnets on the LED module are difficult to correspond to the magnets on the box body one by one, and installation accuracy is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a guarantee the super little interval LED display screen of 480 boxes of use of installation accuracy when making things convenient for quick assembly disassembly.

The utility model discloses the technical scheme who adopts does:

an ultra-small-space LED display screen using a 480 box body comprises a die-casting frame and an LED module, wherein the die-casting frame is connected with a plurality of magnet blocks, the LED module is connected with a plurality of iron columns, and the magnet blocks and the iron columns are in one-to-one correspondence and are adsorbed; a plurality of control deep holes are further formed in the LED module, a plurality of positioning columns are fixed on the die-casting frame, and the positioning columns are sleeved in the control deep holes.

Preferably, the LED module includes eight PCBs, and eight PCBs splice on die-casting frame, and iron prop and accuse deep hole all set up on the PCB board.

Preferably, an iron sheet for sucking the PCB away from the press-cast frame is fixed on the PCB.

Preferably, the positioning columns protrude out of the die-casting frame.

Preferably, the die-casting frame is connected with a plurality of fixing screws for connecting with the outside at the side edge.

Preferably, there is a power supply mounting plate on the die-casting frame through screwed connection, and a power supply is fixed on the power supply mounting plate.

Preferably, a HUB plate is mounted on the die-cast frame.

Preferably, an AC power supply socket is fixed to the die-cast frame.

Preferably, a rear cover is connected to the die-cast frame.

The utility model has the advantages that:

1. when the LED module is connected to the die-casting frame, the primary positioning can be carried out by utilizing the deep control holes and the positioning columns. When the LED module is close to the die-casting frame, the positioning column on the die-casting frame is inserted into the depth control hole of the LED module. After the positioning column is accurately connected with the deep control hole, the magnet blocks and the iron columns can be in one-to-one correspondence, and the LED module can be quickly connected to an accurate position. After the magnet blocks and the iron columns are in one-to-one correspondence and adsorbed, the positions of the LED modules cannot be changed, and the installation accuracy of the LED modules is guaranteed. When the LED module is installed, the positioning column is easily inserted into the deep control hole, the positioning column and the deep control hole are not required to be tightly connected, and the connection efficiency of the LED module and the die-casting frame is not influenced. The LED module can be quickly connected to the die-casting frame by using the way that the magnet blocks adsorb the iron columns; when the LED module is disassembled, the LED module is only required to be sucked away from the compression casting frame, and the rapid disassembly and assembly are guaranteed.

The LED module is formed by splicing eight small PCB boards, so that warping of the PCB boards can be avoided, flatness of the LED display screen is guaranteed, and rejection rate of the PCB boards is reduced. The qualification rate of the small-spacing PCB can be more than 90%, the smaller the area is, the higher the qualification rate is, and the smaller the size of a single PCB is, so that the cost can be correspondingly saved.

3. When dismantling the LED module, can use the iron sheet on the magnet instrument absorption die-casting frame. When the attraction of the magnet tool to the iron sheet is greater than the attraction between the iron columns and the magnet blocks, the LED module is detached. Therefore, the utility model discloses a convenient quick dismantlement of LED module need not revolve the operation such as twist screw, improves greatly and dismantles efficiency.

4. The positioning column protrudes out of the die-casting frame, and a certain gap can be reserved between the LED module and the die-casting frame after the LED module is installed. The utility model discloses avoided because of ambient temperature changes, each part expend with heat and contract with cold and with the condition of die-casting frame jack-up.

5. The fixing screws on the side edges of the die-cast frame can be used for mounting the die-cast frame. The die-cast frame can be mounted to the wall by means of fixing screws.

6. The power supply fixed on the power supply mounting plate can be used for partially supplying power to the LED module.

7. Consider that the wire rod of LED module is shorter, install a rectangular HUB board at die-casting frame, convenient quick installation, practice thrift the cost.

And 8, the AC power supply socket is arranged on the die-casting frame, so that the AC power supply socket is exposed, and a plug is conveniently connected with the AC power supply socket.

9. The rear cover can protect the LED module, and the LED module is prevented from being damaged by the outside.

The advantages of the invention are not limited to the description, but rather are described in greater detail in the detailed description for better understanding.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic view of the installation structure of the present invention;

FIG. 3 is a schematic view of the exploded structure in the front side direction of the die cast frame;

FIG. 4 is a schematic view of an exploded structure in the reverse direction of the die cast frame;

fig. 5 is a schematic structural diagram of an LED module.

In the figure: 1-die casting a frame; 2-an LED module; 3-rear cover; 11-a magnet block; 12-a positioning column; 13-a set screw; 14-a power supply mounting plate; 15-a power supply; 16-HUB plate; 17-an AC power supply socket; 21-iron column; 22-controlling deep holes; 23-a PCB board; 24-iron sheet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4, the LED display screen of the present embodiment includes a die-casting frame 1 and an LED module 2, wherein the die-casting frame 1 is connected with a plurality of magnet blocks 11, the LED module 2 is connected with a plurality of iron columns 21, and the magnet blocks 11 and the iron columns 21 are in one-to-one correspondence and are adsorbed; a plurality of deep control holes 22 are further formed in the LED module 2, a plurality of positioning columns 12 are fixed on the die-casting frame 1, and the positioning columns 12 are sleeved in the deep control holes 22.

When the LED module 2 is connected to the die-cast frame 1, the positioning holes 22 and the positioning posts 12 can be used for initial positioning. When the LED module 2 is close to the die-casting frame 1, the positioning column 12 on the die-casting frame 1 is inserted into the control deep hole 22 of the LED module 2. After the positioning columns 12 are accurately connected with the deep control holes 22, the magnet blocks 11 and the iron columns 21 can correspond to each other one by one, and the LED module 2 can be quickly connected to an accurate position. After the magnet blocks 11 and the iron columns 21 are in one-to-one correspondence and adsorbed, the positions of the LED modules 2 cannot be changed, and the installation accuracy of the LED modules 2 is ensured. When the LED module 2 is mounted, the positioning posts 12 are easily inserted into the control deep holes 22, and the two are not required to be fastened, so that the connection efficiency between the LED module 2 and the die-cast frame 1 is not affected. The LED module 2 can be quickly connected to the die-casting frame 1 by using the way that the magnet block 11 adsorbs the iron column 21; when the LED module 2 is disassembled, the LED module 2 only needs to be sucked away from the die-casting frame 1, and the rapid disassembly and assembly are ensured.

The LED module 2 comprises eight PCB boards 23, the eight PCB boards 23 are spliced on the die-casting frame 1, and the iron columns 21 and the deep control holes 22 are arranged on the PCB boards 23. The LED module 2 is formed by splicing eight small PCB boards 23, so that warping of the PCB boards 23 can be avoided, the flatness of the LED display screen is guaranteed, and the rejection rate of the PCB boards 23 is reduced. The yield of the small-spacing PCB 23 can be more than 90%, and the smaller the area is, the higher the yield is, and the smaller the size of the single PCB 23 is, so that the cost can be saved correspondingly.

Referring to fig. 3 and 4, the die-cast frame 1 is provided with eight frames for connecting the PCB boards 23, and one PCB board 23 may be mounted in each frame. Magnet blocks 11 are uniformly distributed on the periphery of each frame, iron columns 21 are uniformly distributed on the edges of each PCB 23, and each PCB 23 can be accurately connected to the accurate position of the die-cast frame 1. Set up accuse deep hole 22 on the PCB board 23, all set up reference column 12 around eight frames of die-casting frame 1, when installing PCB board 23, accuse deep hole 22 on the PCB board 23 can be connected with reference column 12 accuracy, guarantees PCB board 23's preliminary positioning, guarantees the accurate actuation of iron prop 21 and magnet piece 11 on the PCB board 23 one by one.

In order to facilitate the disassembly of the PCB 23, an iron sheet 24 for sucking the PCB 23 away from the die-cast frame 1 is fixed on the PCB 23. When the PCB 23 is detached, the iron piece 24 on the die-cast frame 1 can be attracted using a magnet tool. When the attraction force of the magnet tool to the iron piece 24 is greater than the attraction force between the plurality of iron posts 21 and the plurality of magnet blocks 11, the PCB 23 is detached. Therefore, the utility model discloses a convenient quick dismantlement of PCB board 23 need not revolve the operation such as twist the screw, improves greatly and dismantles efficiency.

The positioning column 12 protrudes from the die-casting frame 1. The positioning column 12 protrudes from the die-casting frame 1, and a certain gap can be reserved between the LED module 2 and the die-casting frame 1 after the LED module 2 is installed. The utility model discloses avoided because of ambient temperature changes, each part expend with heat and contract with cold and with the condition of die-casting frame 1 jack-up.

In order to facilitate the installation of the die-casting frame 1, the side edge of the die-casting frame 1 is connected with a plurality of fixing screws 13 for connecting with the outside. The fixing screws 13 on the sides of the diecast frame 1 can be used for the mounting of the diecast frame 1. The die-cast frame 1 can be mounted to a wall by means of fixing screws 13.

Die-casting frame 1 is last to have power mounting panel 14 through screwed connection, is fixed with power 15 on the power mounting panel 14. An AC power supply socket 17 is fixed to the die-cast frame 1. The AC power supply socket 17 inputs 220V AC power to the power supply 15, and the power supply 15 converts the 220V AC power into a power suitable for the PCB 23, such as 4.6V, 40A dc power. The power supply 15 is fixed by the power supply mounting plate 14, wherein the power supply 15 and the PCB 23 are respectively arranged at two sides of the die-casting frame 1, so that the power supply 15 is prevented from blocking the PCB 23, and the power supply 15 is convenient to disassemble and assemble.

Further, a HUB board 16 is mounted on the die-cast frame 1. Considering that the wire of the LED module 2 is short, a long-strip HUB plate 16 is arranged on the die-casting frame 1, so that the LED module is convenient and quick to install, and the cost is saved.

The die-casting frame 1 is connected with a rear cover 3. The rear cover 3 can protect the LED module 2, the power supply 15, the HUB board 16 and the AC power supply socket 17, and the condition that the LED module 2 is damaged by the outside is avoided.

The working principle is as follows:

during assembly, the eight PCB boards 23 are respectively moved to the positions of the eight frames of the die-casting frame 1, the deep control holes 22 on the PCB boards 23 are approximately aligned with the positioning columns 12 on the die-casting frame 1, the positioning columns 12 are guaranteed to be accurately inserted into the deep control holes 22, and pre-positioning of the PCB boards 23 is achieved. After the pre-positioning is successful, the iron columns 21 on the PCB 23 can be in one-to-one correspondence with and adsorbed by the magnet blocks 11 on the die-casting frame 2, so that the PCB 23 is ensured to be quickly connected. When the iron column 21 and the magnet block 22 correspond accurately, the position of the PCB 23 is more accurate, the picture quality of the LED display screen is ensured, and the condition of picture inclination or dislocation is avoided.

When the PCB 23 is detached, the iron piece 24 is attracted by a magnet tool, and the PCB 23 is detached. Therefore, the utility model discloses a convenient quick dismantlement of PCB board 23 need not revolve the operation such as twist the screw, improves greatly and dismantles efficiency.

The positioning column 12 protrudes from the die-casting frame 1, and after the LED module 2 is installed, a certain gap can be reserved between the LED module 2 and the die-casting frame 1, so as to avoid the situation that the die-casting frame 1 is jacked up due to expansion caused by heat and contraction caused by cold of various parts due to changes in ambient temperature.

To sum up, the LED display screen of this embodiment can guarantee that PCB board 23's position is accurate when making things convenient for quick assembly disassembly.

A power supply 15, a HUB board 16 and an AC power supply socket 17 are respectively arranged on the side of the die-cast frame 1 far away from the LED module 2. The fixing screws 13 on the sides of the diecast frame 1 can be used for the mounting of the diecast frame 1. The die-cast frame 1 can be mounted to a wall by means of fixing screws 13. The AC power supply socket 17 inputs 220V AC power to the power supply 15, and the power supply 15 converts the 220V AC power into a power suitable for the PCB 23, such as 4.6V, 40A dc power. The power supply 15 is fixed by the power supply mounting plate 14, wherein the power supply 15 and the PCB 23 are respectively arranged at two sides of the die-casting frame 1, so that the power supply 15 is prevented from blocking the PCB 23, and the power supply 15 is convenient to disassemble and assemble. Considering that the wire of the LED module 2 is short, a long-strip HUB plate 16 is arranged on the die-casting frame 1, so that the LED module is convenient and quick to install, and the cost is saved.

A rear cover 3 is connected to the die-cast frame 1, and the rear cover 3 is located on a side of the die-cast frame 1 away from the LED module 2. The rear cover 3 can protect the LED module 2, the power supply 15, the HUB board 16 and the AC power supply socket 17, and the condition that the LED module 2 is damaged by the outside is avoided.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides an use super booth apart from LED display screen of 480 box which characterized in that: the LED die-casting device comprises a die-casting frame (1) and an LED module (2), wherein the die-casting frame (1) is connected with a plurality of magnet blocks (11), the LED module (2) is connected with a plurality of iron columns (21), and the magnet blocks (11) and the iron columns (21) are in one-to-one correspondence and are adsorbed; a plurality of deep control holes (22) are further formed in the LED module (2), a plurality of positioning columns (12) are fixed on the die-casting frame (1), and the positioning columns (12) are sleeved in the deep control holes (22).

2. The ultra-small pitch LED display screen using 480 boxes as claimed in claim 1, wherein: the LED module (2) comprises eight PCB boards (23), the eight PCB boards (23) are spliced on the die-casting frame (1), and the iron columns (21) and the deep control holes (22) are arranged on the PCB boards (23).

3. The ultra-small pitch LED display screen using 480 boxes as claimed in claim 2, wherein: and an iron sheet (24) for sucking the PCB (23) away from the die-casting frame (1) is fixed on the PCB (23).

4. The ultra-small pitch LED display screen using 480 boxes as claimed in claim 1, wherein: the positioning column (12) protrudes out of the die-casting frame (1).

5. The ultra-small pitch LED display screen using 480 boxes as claimed in claim 1, wherein: the side edge of the die-casting frame (1) is connected with a plurality of fixing screws (13) used for being connected with the outside.

6. The ultra-small pitch LED display screen using 480 boxes as claimed in claim 1, wherein: die-casting frame (1) is gone up to have power mounting panel (14) through screwed connection, is fixed with power (15) on power mounting panel (14).

7. The ultra-small pitch LED display screen using 480 boxes as claimed in claim 1, wherein: and a HUB plate (16) is arranged on the die-casting frame (1).

8. The ultra-small pitch LED display screen using 480 boxes as claimed in claim 1, wherein: an AC power supply socket (17) is fixed on the die-casting frame (1).

9. The ultra-small space LED display screen using the 480-box body as claimed in any one of claims 1 to 8, wherein: and a rear cover (3) is connected to the die-casting frame (1).