36results about How to "Does not affect wiring" patented technology

The invention discloses a sound-transmission LED display screen applied to a large-sized LED screen and a sound transmission method. The display screen comprises a PCB and a plurality of light-emitting pixels arranged on the PCB, wherein the light-emitting pixels are surface-mounted light-emitting diodes and are fixed on a light-emitting surface of the PCB through adhesion, each adjacent four light-emitting pixels form a group and are adhered to the light-emitting surface of the PCB, and a sound-transmission hole penetrating through the PCB is formed in the middles of each adjacent four light-emitting pixels. According to the sound-transmission LED display screen, the areas of the sound-transmission holes are greatly increased, and the sound-transmission holes are formed by virtue of limited space among the light-emitting pixels, so that a good sound transmission effect is achieved, the wire distribution of the light-emitting pixels is not influenced, and meanwhile, the sound-transmission LED display screen has good sound transmission rate.

This invention disclosed a back-plate with through-hole plugging-in device. This back-plate contains PCB, crimp connection socket and through-hole plugging-in device. The PCB is connected with the crimp connection socket, and the crimp connection socket is connected with the through-hole plugging-in device. The crimp connection socket's induced plug is plugged into the cavity of the PCB hole, the coordination between them formed with stationary fit. This invention also disclosed an assembling method for through-hole plugging-in devices.

The invention provides a vehicle Internet of things monitoring system which comprises a tire detector, a monitoring device and an intelligent mobile phone, wherein the monitoring device is independent, can be movably arranged in a vehicle, and comprises a micro control unit, and a radio frequency receiving module, a display device, an alarm sounding unit, an operation interface, a detection unit,an Internet of things communication module and a positioning receiving module which are respectively connected with the micro control unit; the vehicle Internet of things monitoring system further comprises a power unit; the tire detector and the monitoring device transmit information through the radio frequency receiving module; the monitoring device and the intelligent mobile phone transmit theinformation through the Internet of things communication module. According to the vehicle Internet of things monitoring system provided by the invention, on the basis of a tire pressure monitoring system, the detection unit, the Internet of things communication module and the positioning receiving module are added, so that the vehicle Internet of things monitoring system has a safety protection information detection function, a far-end notification function and a tracking positioning function, is not required to be connected with the vehicle through a connecting wire, is not required to be provided with connecting wires, is easy to use, cannot affect wiring and functions of the original vehicle, and realizes resource sharing.

The embodiments of the invention disclose a large-current printed circuit board and a machining method thereof. The large-current printed circuit board machining method may comprises the following steps: the slotting process is performed on a false layer to form a slot for accommodating a large-current conductor block; the large-current conductor block is placed in the slot; the false layer is laminated between a first sheet set and a second sheet set, wherein the first sheet set and/or the second sheet set comprises at least one layer of circuit pattern layer; and the large-current conductor block is in connection and conduction with the circuit pattern layer in the first sheet set and/or the second sheet set. According to the scheme of the embodiments of the invention, the PCB reliability can be improved, and the occupation of the large-current conductor block on the circuit layer wiring space can be reduced.

The invention relates to a multi-wire cutting machine which at least comprises a bed, a working panel and a rear panel. Three sheaves which are distributed to form a pyramid are mounted on the working panel, a pay-off wheel, a take-up wheel and four guide wheel connecting rods are mounted on the rear panel, two guide wheels are respectively mounted on two sides of each guide wheel connecting rods, a plurality of reverse wheels are further arranged among the sheaves and the guide wheels, and steel wires are paid off by the pay-off wheel, then sequentially pass a guiding wheel, the multiple guide wheels, the reverse wheels and the three sheaves and form a group of parallel steel wires, and then the group of parallel steel wires is led out of the sheaves and is guided to the take-up wheel via the multiple reverse wheels and the multiple guide wheels to be closed. The multi-wire cutting machine is characterized in that the lengths of the guide wheel connecting rods which are far away from the pay-off wheel and the take-up wheel are at least two times the lengths of existing guide wheel connecting rods, and the lengths of the guide wheel connecting rods which are close to the pay-off wheel and the take-up wheel are at least 1.3 times the lengths of the existing guide wheel connecting rods. The multi-wire cutting machine has the advantages that the distances among the adjacent guide wheels are increased to a great extent, so that stress on the steel wires among the adjacent guide wheels can be effectively relieved, tension on the steel wires is uniform, and the steel wires are not easy to break.

The invention provides production equipment of paper pulp molding bio-based waterproof and oil-proof tableware and discloses a molding and cold-pressing dehydration mesh-free hot drying two-station all-in-one machine. A forming lower die and a cold-pressing upper die are oppositely arranged at a first station, a drying lower die and a drying upper die are oppositely arranged at a second station; so that physical high-strength dewatering is conducted through pressurization of the cold-pressing upper die, the water content of a formed blank is reduced to 55%-60%, and bursting of a product blankis avoided; the cold pressing upper die and the forming lower die or the drying lower die are assembled, and the drying upper die and the drying lower die are assembled to suck products and transfer the products to a collecting device for stacking and counting. Cold high-pressure dehydration is realized by the lower forming die and the upper cold pressing die; according to the two-station all-in-one machine for the paper pulp molding bio-based waterproof and oil-proof tableware, the water content of a product blank is reduced, the drying lower mold and the drying upper mold do not need to be subjected to hot drying with a net, heat energy consumption is reduced, the paper pulp molding bio-based waterproof and oil-proof tableware meets the international BPI fluorine-free standard, energy issaved, efficiency is high, and the equipment size is reduced.

The invention discloses a face shield of an LED (Light-Emitting Diode) display module, which comprises a face shield plate and a plurality of clamping parts, wherein the clamping parts are arranged at the inner side of the face shield plate at intervals, and the clamping parts are used for clamping LED devices inside display modules adjacent to the clamping parts. The face shield of the LED display module, which is disclosed by the invention, can be clamped with the LED devices through the clamping parts when applied to the LED display module, thereby realizing the nonporous connection, decreasing the installation procedures and solving the problems of uneven appearance and inconsistent light reflection caused by perforation without influencing the wiring of a circuit substrate. The invention also discloses a connection method of the face shield of the LED display module and the LED devices and the LED display module.

The invention discloses an equipment management system and a management method thereof. The management system comprises an acquisition device which is configured to acquire current information in an equipment main cable; a control device which is internally provided with current thresholds of the equipment in different states, wherein the control device is configured to receive the current information acquired by the acquisition device, compare the acquired current information with the corresponding current threshold and judge the state of the equipment; and an execution device which comprisesan alarm device, wherein when the control device judges that the standby time of the equipment exceeds the set time, the alarm device gives an alarm, and after the user inputs the standby reason, thealarm device release the alarm. The management system is simple in construction and low in cost, a user can flexibly define the standby reason, a shutdown device can be additionally arranged when necessary, the user is forcibly required to input the standby reason every time standby alarm is given, or otherwise, the equipment cannot be started, and therefore, the performability is higher.

The invention discloses an LPDDR wafer RDL design method suitable for multi-chip failure analysis, and belongs to the field of semiconductor packaging, and the method comprises the following steps: S1, based on a conventional LPDDR RDL design, adding a bonding welding position; s2, designing a packaging substrate, and adding a plurality of substrate front golden fingers for DIE connection; s3, packaging is carried out, the bonding welding positions are connected with the golden fingers on the front face of the substrate, S4, resistance is measured, the DIE state is judged through resistance testing, and design is completed. When the original RDL wiring is designed, the following RDL wiring is synchronously added; an unclosed square-shaped wire and two bonding pads (proper positions need to be found for the windowing positions of the bonding pads, and RDL wiring of an original product is not affected) are additionally arranged around the periphery of the DIE, whether the DIE cracks or not is judged through measurement data of wire resistance, a special testing machine is not needed, and the cost is reduced. The cracking of a certain DIE in the multi-chip stack can be judged only by using a universal meter or a simple test device to test the resistor.

The invention relates to a line framework and a wire stringing structure. The line framework comprises a base frame, a first wire stringing channel and a second wire stringing channel which are arranged horizontally side by side are arranged on the base frame, a first wire stringing portion and a second wire stringing portion which are arranged vertically side by side are arranged in the first wire stringing channel, and the first wire stringing portion and the second wire stringing portion are each provided with three wire stringing points; a third wire stringing portion and a fourth wire stringing portion which are arranged vertically side by side are arranged in the second wire stringing channel, one of the third wire stringing portion and the fourth wire stringing portion is provided with two wire stringing points, and the other is provided with a wire stringing point. Two wire sets are installed on the wire stringing points of the first wire stringing portion and the second wire stringing portion respectively; one lead wire of another wire set is installed on the wire stringing point of the third wire stringing portion, and the other two lead wires of the wire set are installed on the wire stringing points of the fourth wire stringing portion. The floor area is small, wiring is convenient, and investment is little.

The embodiment of the invention discloses a display panel and a manufacturing method thereof. The display panel comprises a substrate; a thin film transistor layer formed on the substrate; a planarization layer formed on the thin film transistor layer; the display panel comprises a planarization layer, and is characterized in that the display panel further comprises a light-emitting element and a pinning structure which are formed on the planarization layer, the light-emitting element and the pinning structure are located in a pixel area and a pinning area of the display panel respectively, and the pinning structure comprises a groove; and the packaging layer covers the light-emitting element and the pinning structure, and at least partial area of the packaging layer is embedded in the groove.

The invention discloses a display screen module and a display screen, the display screen module comprises a plurality of box bodies and a plurality of lamp panels arranged on the box bodies, the lamp panels and the adjacent lamp panels are spliced to form the box bodies, and the box bodies and the adjacent box bodies are spliced to form a screen. Each lamp panel comprises a PCB substrate and a plurality of pixel points arranged on the front face of the PCB substrate in an array mode, and an open hole penetrating through the PCB substrate is formed between every four adjacent pixel points. According to the display module provided by the embodiment of the invention, the Mini LED huge screen is realized in a lamp panel splicing manner, and the PCB substrates are provided with the open holes, so that the problem that the sound transmission effect of the loudspeaker is blocked by a huge screen splicing screen is solved; the holes are formed among the four adjacent pixel points, and wiring among the pixels is not affected by the holes; by controlling the shape, the size and the number of the holes, the requirement of a cinema for the sound pressure level can be met.

The invention relates to the technical field of treadmills and particularly relates to a special roller for an anti-static treadmill. The special roller comprises a roller body, a power generation device, a voltage transformation device and a static elimination device, and utilizes continuous rotation of the roller to generate induced electromotive force when the treadmill is started to excite the static elimination device after voltage transformation of the voltage transformation device. The static electricity eliminating device ionizes air in the roller body to enable the air to be rich in positive and negative ions, the air containing a large number of positive and negative ions can neutralize static electricity existing in a belt, a running belt and other components after being exhausted through the ventilation holes, wiring of the treadmill cannot be affected, and the air rich in positive and negative ions can permeate to all positions of the treadmill; practical significance and popularization value are achieved, and it is expected that good economic benefits can be generated.