CROSS REFERENCE TO THE RELATED APPLICATIONS

This application is the national phase entry of International Application No. PCT/CN2019/117901, filed on Nov. 13, 2019, which is based upon and claims priority to Chinese Patent Application No. 201910993354.3, filed on Oct. 18, 2019, the entire contents of which are incorporated herein by reference.

TECHNICAL FIELD

The present invention relates to the technical field of a light emitting diode (LED) display apparatus, and more particularly, to an LED display panel.

BACKGROUND

LED display technology continuously develops and progresses in all types of applications. In the recent years, LED display screen has been widely applied in music performances, live broadcasting and events.

To facilitate transportation, LED display screens are usually divided into several small panel structures, each small panel is typically made into a cuboid to facilitate splicing. However, the overall weight of the small panel that are currently available in the market and known to the industry is relatively heavy. When a large display screen needs to be installed, the transpiration and splicing of the screen require intense labor because of the heavy weighted panel, which is very inconvenient.

SUMMARY

The present invention provides an LED display panel that is simple in structure, easy to produce, light in weight, convenient for subsequent transportation, splicing and maintenance, etc., and has a great application value in the market.

The present invention provides an LED display panel, including: a main frame made of a lightweight material, wherein the main frame includes a first end surface for mounting a display screen and a second end surface opposing the first end surface;

a supporting component, wherein the supporting component includes a supporting tube and a plurality of supporting members; fixing parts are arranged on peripheral edges of the second end surface, and the plurality of supporting members are correspondingly mounted on the fixing parts; a tube fixing part is arranged on an end of the supporting member far away from the second end surface, and the supporting tube is fixed on the tube fixing part; and

a control box, wherein a power supply, a control system and a signal transmission system are arranged in the control box, and the control system and the signal transmission system are electrically connected to the power supply; and the control box is mounted on the second end surface.

According to the display panel of the present invention, the main frame includes frame rods arranged on the periphery of the main frame and supporting rods arranged inside the main frame. The frame rods and the supporting rods are integratedly molded by using a magnesium alloy material.

According to the display panel of the present invention, the frame rods and/or the supporting rods are provided with a plurality of notches for reducing a mass; and/or, edges of the notches of the frame rods and/or the supporting rods are connected to a plurality of reinforcing ribs.

According to the display panel of the present invention, the number of the supporting rods is two, and the two supporting rods are arranged in a cross shape inside the main frame.

According to the display panel of the present invention, the supporting member is injection-molded by using a polypropylene (PP) plastic and has a hollow structure, and/or the supporting tube includes a carbon fiber tube made of a carbon fiber material.

According to the display panel of the present invention, the supporting member includes a first supporting member and a second supporting member. The first supporting member is clamped on a corner of the frame rods, and the second supporting member is mounted on the middle portion of the frame rod.

According to the display panel of the present invention, the tube fixing part includes a first tube fixing part and a second tube fixing part, and the first fixing part and the second tube fixing part are perpendicularly arranged on two adjacent sides of the first supporting member.

According to the display panel of the present invention, the tube fixing part further includes a tube fixing hole, and the tube fixing hole is arranged on the second supporting member. The number of the supporting tubes is four, and the four supporting tubes penetrate through the tube fixing hole. Both ends of the supporting tube are fixed on the first tube fixing part and the second tube fixing part, respectively.

According to the display panel of the present invention, a lock fixing component is arranged on the control box, and the lock fixing component includes a female socket and a male plug. The male plug is mounted on the control box, and the female socket is mounted on the main frame.

According to the display panel of the present invention, the female socket is provided with a spiral track groove, and the male plug is provided with a latch cooperating with the tack groove. When the control box is mounted on the main frame, the latch moves along the track groove and is clamped in the track groove.

According to the display panel of the present invention, the track groove includes a starting segment, a connection segment and an ending segment. The starting segment is arranged along an axial direction of the female socket, the ending segment is parallel to an end surface of the female socket, and the connection segment is connected between the starting segment and the ending segment.

According to the display panel of the present invention, a clamping platform is arranged at a connection portion of the connection segment and the ending segment to enable the latch to be clamped between an end of the ending segment far away from the clamping platform and the clamping platform.

According to the display panel of the present invention, the control box includes:

a box body, wherein the box body includes a cover body and a base. The cover body is provided with a cavity having an opening. The control system and the signal transmission system are mounted in the cavity, and the base covers onto the opening of the cavity; and

a power supply component, wherein the power supply component includes a power supply mounting member and a power supply. The power supply is mounted on the power supply mounting member, and the control system and the signal transmission system are electrically connected to the power supply.

Specifically, a power supply component mounting groove is arranged at an end surface of the cover body opposing the opening of the cavity, and the power supply component mounting groove communicates with the cavity. The power supply is detachably mounted in the power supply component mounting groove through the power supply mounting member.

According to the display panel of the present invention, the power supply mounting member includes:

an aluminum substrate, wherein a shape and a size of the aluminum substrate are adapted to a shape and a size of the mounting groove, and the power supply is mounted on the aluminum substrate through a thermal conductive silica gel.

According to the display panel of the present invention, a heat dissipation member is arranged at an end surface of the aluminum substrate opposing the power supply.

According to the display panel of the present invention, the heat dissipation member includes at least two parallel diversion grooves arranged on the aluminum substrate.

According to the display panel of the present invention, a plurality of supporting plates are provided at a position of the cover body, wherein the position corresponds to the the power supply component mounting groove, and the plurality of supporting plates are arranged to cross each other at the lower part of the mounting groove.

According to the display panel of the present invention, a lock fixing part is arranged on the power supply mounting member, a mounting part is arranged on one side of the mounting groove, and a position of the lock fixing part corresponds to a position of the mounting part.

According to the display panel of the present invention, one of the power supply mounting member and the cover body is provided with a clamping notch, the other one of the power supply mounting member and the cover body is provided with a clamping platform, and the clamping platform is engaged with the clamping notch.

According to the display panel of the present invention, an angle adjuster and a lock fastening component are arranged on the main frame, and the angle adjuster and the lock fastening component are mounted on two opposing sides of the main frame, respectively.

According to the display panel of the present invention, the angle adjuster includes a mounting base and an adjusting block, and the adjusting block is mounted on the main frame through the mounting base. The lock fastening component includes a fixing base and a handle component cooperating with the adjusting block, and the handle component is mounted on the main frame through the fixing base. A position of the fixing base corresponds to a position of the mounting base.

According to the display panel of the present invention, the adjusting block includes:

a first side surface, wherein the first side surface is located at one side of the adjusting block and is a quarter arc surface;

a second side surface, wherein the second side surface is located at the other side of the adjusting block and is a quarter arc surface;

a curved surface structure, wherein the curved surface structure is connected between an arc edge of the first side surface and an arc edge of the second side surface; and

an end surface structure, wherein the end surface structure is connected between a right-angle side of the first side surface and a right-angle side of the second side surface, and is provided with a connection part cooperating with the handle component.

According to the display panel of the present invention, the mounting base is provided with a movable cavity adapted to the adjusting block. The angle adjuster further includes:

an adjusting handle, wherein the adjusting handle passes through the mounting base and then is connected to the adjusting block mounted in the movable cavity to adjust a rotation angle of the adjusting block relative to the mounting base.

According to the display panel of the present invention, the curved surface structure is provided with a perforation, and the mounting base is provided with an adjusting hole. The adjusting handle includes:

a first lock rod, wherein one end of the first lock rod passes through the adjusting hole and then extends out of the adjusting hole, and the other end of the first lock rod passes through the perforation and then is fixed through a clamping ring; and

a first lock handle, wherein the first lock handle is mounted on the end of the first lock rod passing through the adjusting hole to adjust a position of the adjusting block in the movable cavity.

According to the display panel of the present invention, the adjusting hole is formed by sequentially connecting two through holes with different diameters. The first lock rod includes a big end and a small end with diameters matching the two through holes. The first lock rod includes a first end and a second end with diameters matching the two through holes, wherein the first end is larger than the second end. The adjusting handle further includes:

an elastic member, wherein one end of the elastic member abuts against the clamping ring, and the other end of the elastic member abuts against the curved surface structure, so that the big end is clamped on the adjusting hole under an action of the elastic member, and the small end is movable in the adjusting hole under the action of the elastic member.

According to the display panel of the present invention, a pin hole is arranged on both sides of the mounting base, respectively. The angle adjuster further includes:

a positioning pin, wherein the positioning pin passes through the pin hole and is mounted on the adjusting block to enable the adjusting block to rotate along the pin hole through the positioning pin.

According to the display panel of the present invention, the handle component further includes:

a second lock rod, wherein the second lock rod includes a lock rod body and a rotating shaft; the lock rod body penetrates through the rotating shaft, and the rotating shaft is mounted on the main frame through the fixing base; and

a second lock handle, wherein the second lock handle is fixedly connected to the lock rod body to drive the lock rod body to move back and forth along an axial direction of the rotating shaft.

According to the display panel of the present invention, the lock rod body includes a screw shaft along the axial direction, the rotating shaft is provided with a screw hole matching the screw shaft, and the screw shaft is rotatably mounted in the screw hole through the second lock handle.

According to the display panel of the present invention, the rotating shaft is provided with a ratchet wheel, the second lock handle is provided with a ratchet pawl, and the ratchet pawl cooperates with the ratchet wheel to limit a rotation direction of the second lock handle.

According to the display panel of the present invention, the second lock handle is further provided with a control member, and the control member is connected to the ratchet pawl to control connection or disconnection of the ratchet pawl and the ratchet wheel.

The technical solution provided by the present invention has the following advantages. The present invention designs an LED display panel, the main frame is made of a lightweight material, and a supporting tube and supporting members are arranged on a second end surface of the main frame. In this way, it is convenient for production and simple in manufacturing process. Moreover, a mass of a frame structure is reduced, while a strength of the frame structure is ensured to facilitate transportation and splicing of the frame structure.

It should be understood that the above general description and the following detail description are merely exemplary and illustrative and are not considered as limitations to the present invention.

