10results about How to "Save wiring space" patented technology

The utility model discloses a kind of interlayer interconnection structures for multilayer circuit board in the technical field of circuit board processing, multilayer circuit board includes multiple layer plates, multiple layer plates are integrally formed by once compression, and multiple different depth blind holes are provided on multilayer circuit board, each blind hole extends to set depth from surface layer or bottom layer of multilayer circuit board, the surface of blind hole is provided with conductive layer, and the inside of blind hole is also filled with plug hole medium for making up the current deficiency problem of conductive layer. The utility model solves the defects that interlayer interconnection structure in existing multilayer circuit board is difficult to process, yield is low, cost is difficult to control, etc., greatly reduces the process flow steps of processing, saves processing time, reduces processing cost, improves yield, and the utility model can also make up the problem of insufficient conductive current caused by insufficient copper of mechanical blind hole.

The utility model relates to the technical field of temperature and humidity monitoring, and discloses a temperature and humidity conversion unibus circuit, which comprises a temperature and humidity sensor chip U1, a 1-Wire bus interface chip U2, a 100nF filter capacitor C1, a 2uF filter capacitor C2 and a Schottky diode D1, the IO pin 1 of the 1-Wire bus interface chip U2 is connected with a DQ line, the DQ line is a data signal line connected with a bus, and the IO pin 2 of the 1-Wire bus interface chip U2 is connected with the Schottky diode D1. And the anode of the Schottky diode D1 is connected with a DQ line, the cathode of the Schottky diode D1 is connected with VDD, and the Schottky diode D1 is used for providing reverse voltage protection for a pin IO of the 1-Wire bus interface chip U2. According to the technical scheme of the utility model, DS28EA00U + Tamp is adopted. The R1-Wire bus interface chip U2 and the IC bus of the SHT30-DIS-B temperature and humidity sensor chip U1 are multiplexed, a set of communication line does not need to be independently arranged for each chip, and the design of a power supply loop is simplified.

The invention provides a serial port-to-wireless transmission module and transmission method based on a star flash protocol, and the module comprises a transmitting end and a receiving end, each of the transmitting end and the receiving end comprises an MCU control circuit, a star flash circuit module, a power conversion circuit, a TTL-to-USB circuit, an RS422 serial port communication circuit, and an upper computer. The MCU control circuit is used for processing data received by the RS422 serial port communication circuit and performing data communication with the star flash circuit module; the power conversion circuit is used for supplying power to the MCU control circuit, the star flash circuit module and the RS422 serial port communication circuit; the TTL to USB circuit is used for communication between the MCU control circuit and an upper computer; and the RS422 serial port communication circuit is used for communication between the MCU control circuit and a serial port. The wireless transmission requirement of RS422 signals is met through the serial port to wireless transmission module, data unvarnished transmission is achieved by adopting a star flash protocol, and the wiring space is saved.

The invention discloses a periodic branch microstrip double-line with a wing-shaped compensation structure for suppressing microstrip line far-end crosstalk, and the periodic branch microstrip double-line comprises two parallel periodic branch microstrip lines, and discrete wing-shaped compensation units which are uniformly distributed between the two periodic branch microstrip lines. And the wing-shaped compensation units and the microstrip line branches are arranged in a staggered manner. According to the periodic branch microstrip double-line with the wing-shaped compensation structure, the periodic microstrip line structure and the wing-shaped compensation structure are designed, capacitive coupling between the compensation lines is realized, so that far-end crosstalk is reduced, and the suppression effect is optimal by scanning and optimizing structural parameters. Compared with a traditional microstrip line, the microstrip line is lower in far-end crosstalk, small in line spacing and capable of effectively saving wiring space.

This invention discloses a display panel, driving method, and display device, relating to the field of display technology. The display panel includes a pixel driving circuit and scan lines and light-emitting control lines connected to the pixel driving circuit. The pixel driving circuit includes a driving transistor, a first reset module, and a light-emitting element. The output terminal of the first reset module is connected to the gate of the driving transistor, and the output terminal of the driving transistor is electrically connected to the light-emitting element. The input terminal of the first reset module is connected to either the scan line or the light-emitting control line. The scan signal provided by the scan line, or the light-emitting control signal provided by the light-emitting control line, is multiplexed into a first reset signal provided by the first reset module to the gate of the driving transistor. This invention multiplexes the scan signal or the light-emitting control signal into a first reset signal, eliminating the need for additional reset lines and saving wiring space. In high-density display panels, it avoids the problems of small trace spacing, leakage current, and crosstalk caused by excessive traces.

The present disclosure provides a servo valve control system and a robot. The system comprises a controller and a plurality of voltage output digital-to-analog converters, the chip select signal input ends of the plurality of voltage output digital-to-analog converters are connected to the same chip select signal output end of the controller, the clock signal input ends of the plurality of voltage output digital-to-analog converters are connected to the same clock signal output end of the controller, the serial data input ends and the serial data output ends of the controller and the plurality of voltage output digital-to-analog converters are connected in sequence in a ring, the controller is configured to output the digital signals required by the plurality of voltage output digital-to-analog converters in sequence through the serial data output end thereof, and the plurality of voltage output digital-to-analog converters are configured to transmit the digital signals received thereby to the serial data output ends thereof and convert the digital signals received thereby within a set period into analog voltage signals to drive corresponding servo valves. The system saves the number of ports and wiring space.

This application provides a flat ribbon cable for use in a formation and capacity testing device, and the device itself. The flat ribbon cable includes a ribbon cable, mating terminals, an insulating film, and a shielding layer. The ribbon cable includes multiple parallel conductors, at least one end of which is connected to a device in the formation and capacity testing device. The mating terminals are connected to one end of each conductor in the ribbon cable, and the conductors are connected to the device in the formation and capacity testing device via the mating terminals. The insulating film is adhered to the upper and lower surfaces of the ribbon cable to cover it. The shielding layer covers the outer layer of the insulating film opposite to the ribbon cable. Using a flat ribbon cable can shorten equipment assembly time, reduce wiring space, and effectively shield against external electromagnetic interference, ensuring high accuracy of sampling data obtained using the flat ribbon cable.

The invention provides a manufacturing method of a circuit board with an in-hole partition structure and the circuit board. The method comprises the following steps: acquiring a target circuit board substrate; positioning and calibrating the target circuit board substrate to obtain a calibrated substrate; performing mechanical drilling on the calibration substrate according to preset drilling parameters to obtain a first substrate; according to the first substrate and preset groove body parameters, a groove body machining track is obtained; performing laser etching treatment on the first substrate according to preset laser processing parameters and the groove body processing track to obtain a second substrate; forming the second substrate to obtain a first circuit board; and detecting the first circuit board according to a preset detection condition to obtain a target circuit board. According to the invention, the efficiency and quality of slotting in the hole are improved, and partition in the hole is realized; the wiring space of the board is saved, the wiring density of the circuit board is improved, and high-density miniaturized electronic products are adapted.

The invention relates to a display panel and a display device. The display panel comprises a display area and a frame area, the frame area comprises a first sub-frame area and a second sub-frame area, the first sub-frame area is located on the side, in the first direction, of the display area, and the second sub-frame area is located on the side, in the second direction, of the display area; the display panel comprises a substrate, a first shifting register, a first signal line and a first connecting line, the first shifting register, the first signal line and the first connecting line are located on one side of the substrate, the first shifting register is located in the first sub-frame area, the first signal line is electrically connected with the output end of the first shifting register, and the first connecting line extends to the display area from the first sub-frame area. And extending from the display area to the second sub-frame area. Therefore, according to the display panel and the display device provided by the invention, the narrow frame design of the display panel can be realized.

The utility model provides a kind of electromagnetic stirring device.The electromagnetic stirring device includes outlet box, body, bearing block being equipped in the both ends of the body and the water outlet cylinder being connected in two the outer end of the bearing block, the outer end of a water outlet cylinder is connected with the outlet box, and the outer end of another water outlet cylinder is installed with water outlet baffle;The body includes non-magnetic roller sleeve and the inductor being placed in the non-magnetic roller sleeve, the inductor includes framework and the winding portion being wound on the outer periphery of the framework, and the cable line on the winding portion is connected after short-circuiting in the non-magnetic roller sleeve and is drawn from the outlet box.The utility model changes the winding mode and winding process of winding, realizes that winding portion changes from double-side outlet to single-side outlet;Realize that high-temperature cable line and nitrogen metal flexible hose are distributed and arranged in the same direction, save the wiring space of electromagnetic stirring device on fan-shaped section, facilitate wiring and pipe, and facilitate the installation of pipeline route.