42results about How to "Improve anti-interference characteristics" patented technology

The invention discloses a rotary encoder, which includes a bearing pedestal, wherein the bearing pedestal is used for supporting a rotating shaft through a first bearing and a second bearing which are arranged at an interval; an end cover and a circuit board are fixed with the bearing pedestal; M pairs of photoelectric sensors are arranged at the circuit board at intervals in the circumferential direction; each pair of photoelectric sensors are arranged at an interval in the radial direction of the circuit board; the rotating shaft penetrates the circuit board, and a coding disk correspondingto the circuit board is fixed at the end of the rotating shaft penetrating through the circuit board; N light shielding blocks are uniformly distributed on the edge of the coding disk in the circumferential direction; when the coding disk is rotated, the light shielding blocks can pass by the radial interval of each pair of the photoelectric sensors; the included angle between the two adjacent pairs of photoelectric sensors meets the condition of the formula X equals to a*360 / N +1, wherein the X is the included angle, a is a natural number, and N equals to the amount of the light shielding blocks; the bearing pedestal is provided with a sealing cover positioned on one side of the coding disk; the circuit board and the coding disk are positioned in the sealing cover; and a conducting wire via hole is formed in the sealing cover. The rotary encoder provided by the invention greatly improves the characteristics of antijamming and data reliability, and can meet the requirement for high-precision and high rotational speed measurement.

The invention relates to a 32-bit electronic control unit for a four-cylinder gasoline engine; the technical proposal comprises: the input end of a 32-bit single-chip microcomputer is connected with aThe invention relates to a 32-bit electronic control unit for a four-cylinder gasoline engine; the technical proposal comprises: the input end of a 32-bit single-chip microcomputer is connected with aneeding power supply. The 32-bit electronic control unit has the advantages that 32-bit chips are adopted as main control chips so that the computation speed and stability of the 32-bit single-chip mneeding power supply. The 32-bit electronic control unit has the advantages that 32-bit chips are adopted as main control chips so that the computation speed and stability of the 32-bit single-chip microcomputer are greatly improved compared with the 16-bit single-chip microcomputer.icrocomputer are greatly improved compared with the 16-bit single-chip microcomputer.signal processor, and the output end of the 32-bit single-chip microcomputer is connected with a driving module, an ignition control module, a throttle control module and a coprocessor; the 32-bit si signal processor, and the output end of the 32-bit single-chip microcomputer is connected with a driving module, an ignition control module, a throttle control module and a coprocessor; the 32-bit single-chip microcomputer is also connected with an external storage module which is used for storing a standard program; the standard program is used for processing detecting signals input by the signangle-chip microcomputer is also connected with an external storage module which is used for storing a standard program; the standard program is used for processing detecting signals input by the signal processor; the output end of the 32-bit single-chip microcomputer outputs the processed signals; the output end of the driving module is connected with a fuel injection controlling module and a switl processor; the output end of the 32-bit single-chip microcomputer outputs the processed signals; the output end of the driving module is connected with a fuel injection controlling module and a switch module; the output end of the 32-bit single-chip microcomputer is also connected with a communication module; a power module is connected with the 32-bit single-chip microcomputer and other modulesch module; the output end of the 32-bit single-chip microcomputer is also connected with a communication module; a power module is connected with the 32-bit single-chip microcomputer and other modules

The invention discloses an application of a triphenylamine modified binaphthalene derivative. The compound capable of emitting fluorescence can be selectively combined with iron ions (Fe<3+>) at a single point to cause fluorescence quenching, so that the compound can be used as a fluorescent probe for detecting Fe<3+>, and the probe has the characteristics of high sensitivity and interference resistance and is easy to synthesize.