8results about How to "Reduce electrical interference" patented technology

The utility model discloses an explosion-proof and intrinsically safe frequency conversion speed regulation control box body for a digging and anchoring all-in-one machine, a main cavity and a wiring cavity are arranged in the box body, the main cavity is divided into a main control cavity, a frequency conversion cavity, a reactor cavity and a transformer cavity through cooling partition plates, and wire passing channels are arranged on the cooling partition plates. According to the utility model, a mainstream single control box or a control box body and a variable frequency speed regulation box body are integrated into a variable frequency speed regulation and control integrated box body, so that the control function is enhanced, and at the same time, the cable passing between the cavities inside the main cavity is realized. Cable connection between the electric control box bodies is greatly reduced, and fault points and installation workload are reduced.

The utility model belongs to the technical field of power equipment, and provides a frequency converter which comprises a frequency converter unit mechanism, a passive low-harmonic filtering mechanism and a sine filtering mechanism, the frequency converter unit mechanism comprises a frequency converter machine core, and the frequency converter machine core is connected with a direct-current reactor. The direct-current reactor is used for reducing main loop harmonic waves on the frequency converter machine core; the passive low-harmonic filtering mechanism comprises a three-phase input reactor and a three-phase filter reactor, the three-phase input reactor is electrically connected with external equipment, the three-phase filter reactor and the frequency converter machine core, and the three-phase filter reactor is used for reducing harmonic waves on an input line of the frequency converter; the sine wave filtering mechanism comprises a sine wave filter reactor used for reducing harmonic waves on an output line of the frequency converter, and the sine wave filter reactor is electrically connected with the frequency converter machine core and external equipment. Under the condition that the original specification is not changed, the technical problem that the harmonic wave of the frequency converter is too large is solved.

A single-drive grid cascade type high-voltage MOSFET module circuit comprises an MOSFET, a static voltage-sharing resistor, a high-voltage capacitor, a high-voltage avalanche diode, a transient voltage suppression (TVS) diode, a drive resistor and a piezoresistor (MOV), and the single-drive grid cascade type high-voltage MOSFET module circuit is simple in structure drive and has the advantages of being good in switching characteristic, excellent in dynamic and static voltage-sharing effect, small in module loss and the like.

The invention discloses a flexible electrophoretic display method and device based on pixel correction and electronic equipment, and relates to the field of data processing. In the method, an image to be displayed is acquired, and the image to be displayed comprises a plurality of pixel blocks; acquiring a strain distribution diagram acquired by the strain sensor array; according to a preset mechanical formula, the strain distribution diagram is converted into a curvature distribution diagram, and the curvature of each pixel block is obtained; determining a target gray scale of each pixel block according to the curvature; setting a corresponding target driving voltage waveform for each pixel block according to the target gray scale, wherein the target driving voltage waveform comprises a rising edge, a holding stage and a falling edge; and applying the target driving voltage waveform to each pixel block to realize display of the to-be-displayed image. By implementing the technical scheme provided by the invention, the driving voltage of each pixel block is calculated according to the bending degree, so that a consistent display picture is kept in different bending states, and the user experience is improved.

Flexible electrophoretic display method, device and electronic device based on pixel correction, relating to the field of data processing. In this method, an image to be displayed is obtained, and the image to be displayed includes multiple pixel blocks; a strain distribution map collected by a strain sensor array is obtained; according to a preset mechanical formula, the strain distribution map is converted into a curvature distribution map to obtain the curvature of each pixel block; the target grayscale of each pixel block is determined according to the curvature; a corresponding target driving voltage waveform is set for each pixel block according to the target grayscale, and the target driving voltage waveform includes a rising edge, a holding stage and a falling edge; the target driving voltage waveform is applied to each pixel block to realize the display of the image to be displayed. The technical solution provided in this application is implemented, and the driving voltage of each pixel block is calculated according to the curvature to ensure that a consistent display screen is maintained under different bending states, thereby improving the user experience.

This application discloses an integrated modular installation bracket for electromechanical pipelines, belonging to the field of electromechanical pipeline installation technology. It includes a bottom support assembly, with multiple sets of basic clamping assemblies positioned above the bottom support assembly. Two sets of connecting blocks are provided on each side of the bottom support assembly. Threaded rods are slidably connected inside each of the four sets of connecting blocks. A fixing nut is screwed into the bottom of each of the four sets of threaded rods, and a connecting end is provided at the top of each of the four sets of threaded rods. The basic clamping assembly includes a connecting strip with a clamping groove inside, and two sets of clamping blocks are slidably connected inside the clamping groove. In use, this application can achieve the effect of lateral and longitudinal separation between different pipelines. While clamping and fixing the pipelines, it also achieves mutual isolation, increases the number of pipelines that can be installed, reduces electrical interference and wire harness crossings, and improves practicality.

The invention relates to a readout circuit (100) for a capacitive sensor (120) comprising two capacitances (CS1, CS2), said circuit comprising: a capacitance-to-voltage converter (130) for converting, upon application of a periodic excitation signal (Vexc), two periodic sensor signals (VS1, VS2) associated with said capacitances from the sensor into two amplified voltage signals (Vout1, Vout2); an interference detection unit (140) for detecting an interference in one of the sensor signals; and a filter unit (150) configured to generate a reduced-interference measurement signal (Vred) from an interference detection signal (Vdet) from the interference detection unit and the voltage signal, where the interference detection unit is configured to generate a reduced-interference measurement signal (Vred) when the excitation signal is applied to the sensor. At least one of the sensor signals is evaluated by generating a filtered signal by applying a high-pass filter to the one sensor signal and / or a combination of the sensor signals, forming a non-negative signal from the filtered signal, the method includes receiving a non-negative signal, applying a window function to the non-negative signal to weight a region of the non-negative signal, evaluating the weighted signal to detect interference, and generating and providing the interference detection signal based on the detected interference.

The invention provides a novel sampling combinable hot plug gasket, and relates to the technical field of power electronic components, the novel sampling combinable hot plug gasket comprises a base positioning sheet and a top sampling gasket, a positioning jack penetrates through a combination body of the base positioning sheet and the top sampling gasket, and the positioning jack is used for a screw and fixes the base positioning sheet and the top sampling gasket. The base positioning sheet and the top sampling gasket are detachably positioned and combined, extending terminals for sampling are arranged on the base positioning sheet and the top sampling gasket, and both the base positioning sheet and the top sampling gasket are made of conductive materials. A plurality of sampling terminals led out of a traditional sampling thin gasket are split into a plurality of combination forms which are positioned mutually and can be adjusted conveniently, so that the angle between the sampling terminals can be adjusted conveniently, and due to the fact that the structural form allows larger current to pass through, electrical interference between the sampling terminals is smaller.