Abstract: Disclosed are a display panel and a display screen. The display panel includes a plurality of display modules and a cabinet. The plurality of display modules are distributed in a matrix and are fixed in front of the cabinet. The cabinet is provided with two display module openings and a power supply assembly opening. A protective cover plate is installed in front of the cabinet to cover the power supply assembly opening and form a power supply assembly cavity behind the cabinet, which is configured to install a power supply assembly. Two module opening cover plates are installed behind the cabinet to cover the two display module openings in a one-to-one correspondence.

Abstract: Disclosed are a method for capturing three dimensional actions of multiple persons, a storage media and an electronic device. The method includes: obtaining synchronous video frames of multiple cameras, recognizing and positioning joint points in each synchronous video frame of each camera, to obtain two dimensional (2D) joint point of each person in each camera; calculating an anti-projection ray of each 2D joint point, and clustering coordinates of two endpoints of a shortest distance between two anti-projection rays to obtain a 2D personnel matching scheme, wherein the anti-projection ray is from a camera pointing to its corresponding 2D joint point; and performing a three dimensional (3D) reconstruction for each person according to the 2D personnel matching scheme, to generate 3D information of each person for capturing 3D actions.

Abstract: Disclosed are a display panel and a display screen. The display panel includes a plurality of display modules and a cabinet. The plurality of display modules are distributed in a matrix and are fixed in front of the cabinet. The cabinet is provided with two display module openings and a power supply assembly opening. A protective cover plate is installed in front of the cabinet to cover the power supply assembly opening and form a power supply assembly cavity behind the cabinet, which is configured to install a power supply assembly. Two module opening cover plates are installed behind the cabinet to cover the two display module openings in a one-to-one correspondence.

Abstract: Disclosed are a display module and a display screen. The display module includes: a first frame having a first attachment surface and a first assembly surface, an included angle between the first attachment surface and the first assembly surface being less than 90°; a locking rod movably provided on the first frame; a second frame having a second attachment surface and a second assembly surface, an included angle between the second attachment surface and the second assembly surface being less than 90°, the second assembly surface being parallel to the first assembly surface; and a locking piece provided on the second frame and having a locking hole matched with the locking rod. The display screen includes a first cabinet, a second cabinet and the display module.

Abstract: Disclosed are a display screen and a display screen frame. The display screen includes a display screen frame and a plurality of display modules, the display screen frame includes a plurality of profile rods, the plurality of profile rods are distributed at a preset distance interval, an open slot on a same side surface of each profile rod is provided with a magnetic adsorption piece, and the display module is fixed on the magnetic adsorption piece.

Abstract: An LED display screen lock includes a handle, a lock seat and a lock core. The lock seat includes a base, a through hole and a pin slidably disposed on the base. The lock core is rotatably disposed on the handle and received in the through hole. A locking hole is formed on the lock core and the pin is inserted in the locking hole. An unlocking portion is disposed on a circumference of the handle. The unlocking portion is abutted against the pin, in order to drive the pin to exit the locking hole.

Abstract: Disclosed is a waterproof substrate, including: two mounting surfaces disposed facing away from each other; and at least one waterproof protrusion provided on at least one of the two mounting surfaces and including: a protrusion body connected with the mounting surface, and one end of the protrusion body away from the waterproof substrate includes a connecting end surface; and at least two waterproof ribs, and each of the waterproof ribs is provided on the connecting end surface respectively and is gradually inclined outwardly in a direction away from the connecting end surface respectively.

Abstract: Disclosed are an LED cabinet and an LED display including the LED cabinet. The LED cabinet includes a cabinet body provided with at least one mounting area for mounting LED display modules, the mounting area is provided with at least one cabinet magnetic members and a helper disassembly handle, which is movable relative to the mounting area to generate thrust to separate the LED display module from the cabinet body. The LED display includes the LED cabinet and at least one LED display module mounted on the LED cabinet, the LED display module is provided with at least one module magnetic member corresponding to at least one cabinet. When the LED display module is disassembled, the helper disassembly handle is driven to move to generate thrust to push the LED display module, so that the LED display module separate from the cabinet body of the LED cabinet.

Abstract: Disclosed are a rotary knob lock, a maintenance tool and an LED display. The rotary knob lock includes a lock body, the lock body includes a head part and a limit part, a diameter of the head part is larger than a diameter of the limit part, the head part is provided with a first magnet, the limit part is provided with a limit block; the maintenance tool includes a body, the body is provided with a second magnet inside, the second magnet and the first magnet of the rotary knob lock are magnetically attracted to each other; the LED display includes an LED display module and a cabinet, the LED display module is provided with a rotary knob lock, the cabinet is provided with an avoidance hole, when the LED display module is mounted on the cabinet, the first magnet and limit block are located on both sides.

Abstract: The present invention provides a box latch. The box latch is provided with two wedge-shaped pins symmetrically arranged around its center, and the two wedge-shaped pins are movable into a wedge-shaped notch formed by mating parts of two spliced adjacent boxes and mating with the wedge-shaped pin to lock the two adjacent boxes. The two wedge-shaped pins are symmetrically arranged around its center such that only one box latch is required to lock two adjacent boxes together, reducing the number of splicing steps and box latches, further saving manpower and material resources. In addition, the wedge-shaped pin and the wedge-shaped notch are shaped and configured to mate with each other such that self-locking occurs when they are locked, thus providing a stable connection of the boxes.

Abstract: Disclosed is an arc-shaped adjustment lock, including: a base, an adjustment component, and a pressing lock assembly. The base is connected to a first LED cabinet. The base has a first arc-shaped portion. The adjustment component is connected to a second LED cabinet. The adjustment component has a second arc-shaped portion fitted with the first arc-shaped portion. The first arc-shaped portion and the second arc-shaped portion are slidingly matching with two elastic beads along an arc through a staggered double V-shaped groove group. The first arc-shaped portion and the second arc-shaped portion are locked through the pressing lock assembly after sliding along the arc.

Abstract: Disclosed is a LED display module, which includes a rear plate; at least one clamping strip including a plurality of clamping slots; and a plurality of light bars limited by the plurality of clamping slots. The clamping strip includes a handle, and the rear plate includes at least one through hole configured for the handle to pass through. The LED display module provided by the present application includes at least one handle which is convenient for the user to carry and maintain. The structure is stable, and the LED display module is not easy to be damaged during transportation.

Abstract: Disclosed are a transportation device and a fixing seat thereof. The former includes at least one transportation trolley including a base and at least one fixing seat. The base includes a carrying surface having a plurality of first positioning structures. A screen box body is fixed between the fixing seat and the base. The fixing seat includes a plurality of second positioning structures at one side of the fixing seat facing the base. The base includes at least one caster on a side of the base facing away from the carrying surface. Each of the first positioning structures is at least one of a first positioning piece and a first positioning hole, and each of the second positioning structures is at least one of a second positioning hole and a second positioning piece. Each of the first positioning piece defines a first fixing hole configured to receive a fixing plug.

Abstract: The present disclosure provides a front maintenance display screen module, including: a bottom case, a PCB provided on the bottom case, and a through-hole structure penetrating the bottom case and the PCB. The through-hole structure includes a step structure at one end of the through hole structure near the PCB, and the step structure includes a convex portion and a step portion. The convex portion is configured to penetrate the PCB, a gap is provided between the convex portion and the PCB. The step portion includes a groove surrounding the convex portion. A side of the PCB near the bottom case is abutted against an edge of the groove. A sealant layer is provided in the gap and the groove.

Abstract: The present disclosure provides an LED display waterproof structure including a display bottom case, a first sealing ring and a waterproof cover. A side surface of the display bottom case is provided with a first U-shaped ring groove, a side surface of the first sealing ring towards the waterproof cover is provided with a second U-shaped ring groove, a first surface of the waterproof cover is provided with a ring protrusion matching the second U-shaped ring groove, the waterproof cover is provided on the first U-shaped ring groove through the first sealing ring, the ring protrusion is connected to the second U-shaped ring groove through interference fit, and the second U-shaped ring groove is connected to the first U-shaped ring groove through interference fit.

Abstract: Disclosed is an arc-shaped lock. The arc-shaped lock includes an adjusting mechanism and a fixing mechanism, the adjusting mechanism includes a sliding shaft fastened to a first LED box, and a cover sleeving on the sliding shaft, the sliding shaft sliding in the cover in an arc track. And the fixing mechanism includes a lock seat fastened to a second LED box adjacent to the first LED box, a handle assembly, and a connecting assembly configured to connect the lock seat with the cover under a control of the handle assembly. The present disclosure aims to adopt the arc-shaped lock to fixedly install two adjacent LED panels together, for improving an user experience and a safety factor of the installation.

Abstract: Provided is a lock, including a locking module and a driving module. The locking module includes a latch mounted on a first main body, an oblique pin ring gear mounted on a second main body and adapted to the latch. A radial thickness of the oblique pin ring gear changes continuously. A first slot is arranged on the latch. The driving module is used for driving the oblique pin ring gear to move in a circular motion, such that on the latch in a closed position the oblique pin ring gear clips to or separates from the first slot. The lock mechanism can realize inward or outward arcuate connection and planar connecting without finishing.