13results about "Other resistor networks" patented technology

The present application provides a breaker box system, a power supply system, and a vehicle. The breaker box system comprises a plurality of breaker boxes, the plurality of breaker boxes not sharing a ground. Each breaker box comprises a housing, a battery cell, and an insulation detection assembly, the battery cell and the insulation detection assembly being disposed in the housing. One end of the insulation detection assembly is connected to a positive electrode of the battery cell, the other end is connected to a negative electrode of the battery cell, and a reference ground of the insulation detection assembly is the housing of the breaker box. The embodiments of the present application, by having the plurality of breaker boxes not share a ground, by providing in each breaker box an insulation detection assembly corresponding thereto, and by each insulation detection assembly being used for insulation detection of the corresponding breaker box, achieves the insulation detection of each breaker box not affecting one another, and achieves insulation detection of each breaker box.

The application relates to the field of systems for adjusting electric variables, and discloses a dynamic resistance compensation adjustment method for a high-linearity potentiometer, which comprises the following steps: collecting real-time voltage and excitation current of an adjustment node, and calculating the apparent resistance of an adjustment tap position; using a first-order difference operator to extract a dynamic evolution gradient representing impedance distribution characteristics and interface random interference noise; comparing the evolution gradient with an ideal linear slope to determine a deviation ratio coefficient; adjusting the feedback branch gain according to the deviation ratio coefficient, and introducing a phase lead compensation link based on the change rate of the deviation ratio coefficient; the application generates a forward reverse adjustment level, neutralizes signal phase lag caused by micro contact hysteresis of materials, makes the output electric parameter stable in a preset linear interval, effectively reduces full-range linearity error, suppresses the interference of interface transition impedance fluctuation on adjustment smoothness, and ensures that a precision adjustment link maintains a high-precision adjustment reference in a wide-temperature environment.

A thermal printhead includes a plurality of heating resistor portions, a first capacitor, a switch section, and a first resistor. The heating resistor portions are electrically connected in parallel to each other. The first capacitor is electrically connected in parallel to the heating resistor portions. The switch section is electrically connected in series to the first capacitor. The first resistor is electrically connected in parallel to the first capacitor.

An example apparatus includes: a first resistor having a first terminal and a bias terminal; a second resistor having a first terminal and a bias terminal; and bias circuitry including: a third resistor having a first terminal and a second terminal, the first terminal of the third resistor coupled to the first terminal of the first resistor; a fourth resistor having a first terminal and a second terminal, the first terminal of the fourth resistor coupled to the bias terminal of the first resistor and the second terminal of the third resistor; a fifth resistor having a first terminal and a second terminal, the first terminal of the fifth resistor coupled to the first terminal of the second resistor; a sixth resistor having a first terminal coupled to the bias terminal of the second resistor and the second terminal of the fifth resistor; and buffer circuitry.

The application belongs to the technical field of power system protection and safe operation, and discloses a damping resistor for compact GIS and a cable line charge discharge device. The resistor module composed of multiple series resistors is arranged in the tank, and the two ends are connected by shielding covers and insulating pots, so that the integration packaging of the high damping resistor is realized. In the resistor, the series resistor structure disperses the voltage stress, the shielding cover uniformizes the electric field, and the insulating part prevents short circuit. The compact design ensures high resistance while greatly reducing the volume. The resistor effectively solves the bottleneck of large volume of damping resistor in the large-capacity cable line without high resistance, provides sufficient damping to suppress LC oscillation, accelerates the discharge of residual charge, avoids the damage of voltage transformer caused by impact current, and thus improves the system safety and recovery efficiency, and adapts to emerging working condition requirements.

The invention relates to a power resistor unit (1) which has an integrated electromagnetic interference damping function. The direct integration of at least one inductance element (4) into the resistor element (2) or within the power resistor unit (1) results in an effective damping of electromagnetic emissions which arise when switching the resistor element (2). This integration makes it possible to combat electromagnetic interference at the source thereof.

The present invention comprises a power resistor unit (1) equipped with integrated electromagnetic interference suppression. By directly integrating at least one inductor element (4) into the resistor element (2) or within the power resistor unit (1), effective suppression of electromagnetic emissions generated during switching of the resistor element (2) is achieved. This integration enables the mitigation of electromagnetic interference at its source.

To miniaturize a plane shape of a strain gauge having four resistance parts constituting a Wheatstone bridge circuit.SOLUTION: A strain gauge includes a resin flexible base material, and a resistor, wherein the resistor includes a first functional layer formed from metal, an alloy or a metallic compound directly on one surface of the base material, a first resistance part and a second resistance part which are formed from a film containing Cr, CrN and Cr2N and contain α-Cr as a main component, directly on one surface of the first functional layer, a second functional layer formed from metal, an alloy or a metallic compound directly on the other surface of the base material, and a third resistance part and a fourth resistance part which are formed from a film containing Cr, CrN and Cr2N and contain α-Cr as a main component, directly on one surface of the second functional layer, wherein the first functional layer and the second functional layer have a function for promoting crystal growth of α-Cr and film-forming the film containing α-Cr as a main component, and the first resistance part, the second resistance part, the third resistance part and the fourth resistance part constitute a Wheatstone bridge circuit.SELECTED DRAWING: Figure 3

An exemplary setup includes: a first resistor with a first terminal and a bias terminal; a second resistor with a first terminal and a bias terminal; and a bias circuit arrangement comprising: a third resistor with a first terminal and a second terminal, wherein the first terminal of the third resistor is coupled to the first terminal of the first resistor; a fourth resistor with a first terminal and a second terminal, wherein the first terminal of the fourth resistor is coupled to the bias terminal of the first resistor and the second terminal of the third resistor; a fifth resistor with a first terminal and a second terminal, wherein the first terminal of the fifth resistor is coupled to the first terminal of the second resistor;a sixth resistor with a first terminal coupled to the bias terminal of the second resistor and the second terminal of the fifth resistor; and a buffer circuit arrangement.

The present application relates to the field of electric leakage monitoring, and discloses a protection device for electric leakage monitoring, which comprises a lightning arrester body, a protection assembly, a fixing seat, a clamping block and a sleeve, the fixing seat is arranged on the end of the lightning arrester body, a first channel is arranged in the fixing seat, the clamping block is arranged on the fixing seat, the first end of the sleeve is sleeved on the fixing seat, the second end of the sleeve is provided with a terminal, the inner wall of the sleeve is provided with a clamping groove, and the clamping block is detachably arranged on the clamping groove, a first wire, the first end of the first wire is electrically connected with the grounding end of the lightning arrester body after penetrating through the first channel, the second end of the first wire is electrically connected with the terminal, and a detection instrument, the detection instrument is electrically connected with the terminal, and the first wire is accommodated in the fixing seat and the sleeve, thereby improving reliability and convenience.

This invention provides an inductive sliding potentiometer, comprising a PCB, a housing, a slider, a sliding base, and a superconductor. The PCB is mounted on the bottom of the housing to form an assembly cavity. An inductor coil is printed in an orderly array on the surface of the PCB facing the assembly cavity. Stop blocks are fixedly disposed on opposite sides of the housing cavity, and the slider is connected between the opposite stop blocks. The sliding base is slidably disposed on the slider, and a lever extends from the upper part of the sliding base beyond the housing. A groove communicating with the assembly cavity and allowing the lever to move is formed on the upper surface of the housing along its length. The superconductor is riveted to the bottom of the sliding base. A gap is formed between the superconductor and the inductor coil. This design eliminates mechanical wear, greatly extends service life, is less susceptible to moisture, and is suitable for harsh operating environments.

The present disclosure relates to methods and apparatuses to set the bulk bias of resistors. An example apparatus includes a first resistor (130, 245, 305, 405, 505) having a first terminal and a bias terminal, a second resistor (140, 250, 410, 510) having a first terminal and a bias terminal, and bias circuitry (150, 225, 310, 415, 515) including a third resistor (520, 710) having a first terminal and a second terminal, the first terminal of the third resistor coupled to the first terminal of the first resistor, a fourth resistor (525, 720) having a first terminal and a second terminal, the first terminal of the fourth resistor coupled to the bias terminal of the first resistor and the second terminal of the third resistor, a fifth resistor (530, 730) having a first terminal and a second terminal, the first terminal of the fifth resistor coupled to the first terminal of the second resistor, a sixth resistor (535, 740) having a first terminal coupled to the bias terminal of the second resistor and the second terminal of the fifth resistor, and buffer circuitry (540).

The utility model discloses a water -cooled no -load resistor, including shell and resistance collection, the shell is hollow closed casing structure, is equipped with water inlet and water outlet on the shell, resistance collection is equipped with the resistance monomer of multiple even adopt heat conduction type resistance structure, multiple resistance monomers all are with its both ends sealed and extend in the mode of the shell outside to be equipped in the shell, and multiple resistance monomers are connected in series and / or parallel, and lead out output terminal, the shell is spaced apart and is equipped with a plurality of fender in, to adjust the cooling water flow direction and flow in the shell, the shell is equipped with the shell cover of sealing cover and is equipped with the shell outside both ends of multiple resistance monomers, and pours and seals the insulating material layer between the shell cover and the shell, output terminal sealed and extends outside the shell cover. This water -cooled no -load resistor sets high voltage, high power, high resistance, high heat dissipation efficiency, good ground insulation withstand voltage performance, simple and reasonable structure, easy to process and make, and the advantages such as low manufacturing cost are integrated, and the market demand is satisfied very well.