45results about How to "Realize logic control" patented technology

The pin possesses three output ends A, B and C. An end through a clock signal strobe module is connected to the pin. B end through a high-level strobe module is connected to the pin. C end is leaded out directly from the pin. The said clock signal strobe module is composed of a 4 bits binary counter and a state clamping trigger. The high-level strobe module is composed of 32 frequency dividing circuit and a feedback state control circuit. Based on different signals provided for the pin from external, the multifunctional pin circuit provides different control electrical level for controlling other pins or internal circuits.

The invention relates to a programmable-logic-control-system-based programming design method for a single-chip microcomputer. The method comprises: a development platform with logic control program design software and a controller with a performable logic control program are prepared; a logic input vector, a logic output vector and a timing input vector and the like for logic control are determined; a logic relational expression is designed; the logic relational expression is converted into a standard AND-OR type; according to the standard AND-OR type, a AND matrix, an OR matrix, and a NON matrix are designed; and the designed control matrixes are transmitted to the controller by a controller communication interface. According to the invention, the operation system support and the interpreted language support are not needed; and the hardware resource requirement is low. The method is a logic programmable technology suitable for a common single-chip microcomputer. The cost of the single controller is reduced substantially; the code can be transplanted; and easy extension into a cooperative control system of multiple controllers can be realized.

The invention discloses a phased array beam control device, a firmware upgrade method and a radar, comprising a first FPGA module for real-time processing of phase data of the beam; a second FPGA module for processing according to the first FPGA module data, output corresponding instructions to a plurality of radio frequency transceiver components; the clock and synchronization signal module is used to generate a clock signal and synchronize to the first FPGA module and the second FPGA module; the first DDR module is used to store The process data generated by the first FPGA module; the FLASH module is used to store configuration information required for loading; the power supply module is used to supply power to the first FPGA module and the second FPGA module. The single phased array beam control device composed of the above-mentioned first FPGA module and the second FPGA module can realize the logic control of multiple radio frequency transceiver components at the same time, reduce the number of beam control devices, thereby reducing the system hardware cost.

The invention relates to a moisture liquid phase sampler with an eccentric hole plate. The moisture liquid phase sampler comprises a sampling pipeline main path 1, a sampling U-shaped loop 5 and a liquid phase sampling bottle 7, wherein the sampling pipeline main path 1 is connected onto a moisture circulation pipeline; the eccentric hole plate 2 is fixed on the sampling pipeline main path 1; the center of the hole is positioned above the center axial line of the main pipeline; an inlet and an outlet of the sampling U-shaped loop 5 are respectively positioned in the two sides of the eccentric hole plate of the sampling pipeline main path 1; the liquid phase sampling bottle 7 is positioned under the U-shaped loop 5, and is connected with the sampling U-shaped loop 5 through a switch valve; a three-way valve structure is arranged in positions of an inlet position and an outlet position of the sampling U-shaped loop 5 and in a position among the inlet and outlet of the sampling U-shaped loop 5 and the liquid phase sampling bottle 7. The moisture liquid phase sampler has the characteristics that the structure is simple; the efficiency is high; meanwhile, the dynamic sampling in the moisture flowing process is realized; the sampled liquid phase samples have good representativeness.

The invention discloses an electric control device of an all-wheel drive transfer case. The electric control device comprises a data processing unit, a data acquisition unit, a power supply and a power output unit, wherein the data acquisition unit, the power supply and the power output unit are all connected with the data processing unit. By applying the electric control device, all states of the transfer case can be switched better and more safely; therefore the service life of a transmission system is prolonged, and the use requirement of the transfer case at the aspect of power matching is met.

The invention discloses a clearance seal plunger type cylinder and belongs to the technical field of hydraulic cylinders. The clearance seal plunger type cylinder comprises a cylinder barrel, a piston rod and a gland; a guide sleeve is fixed on the inner cylindrical surface of the cylinder barrel; a copper-base anti-abrasion oil-free bushing is mounted between the piston rod and the guide sleeve; an oil passage for communicating the outer side of the cylinder barrel with the high-pressure cavity of the cylinder barrel when the piston rod finishes traveling is opened in the plunger type cylinder, when the piston rod of the plunger type cylinder finishes traveling, the oil passage can output pressure oil and send a pressure signal to realize the logic control for a hydraulic system; a very small clearance is formed between the relatively moving surfaces of the copper-base anti-abrasion oil-free bushing and the piston rod to form clearance seal.

The invention relates to the technical field of mining hoisting winches, and discloses a novel mechanical speed governing electric control device for a mining hoisting winch. The winch comprises a disk brake, a disk speed governing brake, a hydraulic unit, a disk brake valve electric control unit, a disk speed governing brake electric control unit and a PLC (programmable logic controller) control unit, wherein the hydraulic unit is connected with the disk brake and the disk speed governing brake; the disk brake valve electric control unit and the disk speed governing brake electric control unit are connected with the hydraulic unit; the PLC control unit is connected with the disk brake valve electric control unit and the disk speed governing brake electric control unit. According to the device, the magnitude of oil pressure can be electrically controlled to control the magnitude of braking force applied to a speed governing disk by the disk speed governing brake and the disk brake, and the device has the advantages of convenience in operation, safety and reliability.

The invention provides a casting blank cutting control device, cutting system and cutting method based on a programmable logic controller (PLC). The control device comprises a conversion switch used for receiving clamping signals, a first switch, a second switch, a third switch, a fourth switch, a plurality of terminals, a high voltage igniter, an ignition electrode terminal and a plurality of delayers. The first switch, the second switch, the third switch and the fourth switch are connected with the plurality of terminals and are electrically connected with the plurality of delayers and the high voltage igniter through the plurality of terminals. The plurality of terminals are respectively and electrically connected with the plurality of delayers and the high voltage igniter and used for providing electric shock safety protection. The high voltage igniter is used for generating high voltage pulse voltage, the high voltage pulse voltage breaks down the air through an anode of an ignition electrode to reach a cathode of the ignition electrode to generate electric spark. The plurality of delayers are used for controlling connection working time length of electromagnetic valves. The continuous casting steel blank intelligent cutting device can save fuel gas and oxygen consumed by constant working of an auxiliary gun, reduces cost and reduces pollution.