54 results about "Ring circuit" patented technology

The utility model discloses an automobile eddy current dual-redundancy Hall sensor and a working method thereof in the field of automobile rotor angle detection and hovercar paddle position detection, and the sensor comprises a housing which is annular, the housing is provided with a mounting cavity, the mounting cavity is internally provided with an annular circuit board, the circuit board is connected with a wiring harness assembly, and the wiring harness assembly is connected with the housing. A sealing glue layer is arranged above the circuit board in the shell mounting cavity, the lower side of the shell is provided with a downward extending cylinder which extends downwards, a Hall sensor is arranged in the downward extending cylinder, and the Hall sensor is correspondingly connected with the circuit board. According to the utility model, through the dual-redundancy design, the eddy current sensor can reach ASIC-D at most; the Hall sensor is integrated into the circuit, so that the space occupied by the arrangement of the two sensors can be effectively reduced, and the weight is reduced.

The invention provides a large-distance spacer ring distance protection mis-tripping prevention method and device, and the method comprises the steps: building a mis-tripping risk conduction matrix through collecting the fault propagation record of a spacer ring circuit breaker node, and achieving the tracking of a fault path; performing spectral analysis on the tracking path by applying wavelet decomposition, and identifying a key protection section; extracting an impedance aggregation state and a power transmission track of each node, establishing an energy distribution mode and forming an impedance-power-energy coupling situation; a time window is activated based on the coupling situation, and a cooperative distance protection potential field is constructed through a communication protocol; executing gradient scanning to construct a collaborative network, and generating a multi-dimensional protection decision domain by adopting vector superposition; global search is carried out to position an optimal balance point, a layered protection setting sequence is generated, and a cooperative adjustment strategy is formulated; and monitoring a dynamic impedance state in real time to identify a transition critical point, triggering cooperative adjustment to complete intelligent anti-error tripping, and realizing the transformation of large-distance spacer ring protection from passive to active.

The utility model discloses a ring-shaped light source with a variable aperture, which comprises a ring-shaped switching base, a first detection opening, a second detection opening and a light source, an annular light source is arranged in the middle of the adapter base, the annular light source comprises a light source base and an upper cover plate which are buckled with each other, a second detection opening and a third detection opening are formed in the light source base and the upper cover plate respectively, and an annular circuit board is arranged between the light source base and the upper cover plate; a plurality of LED lamp beads are uniformly arranged on the annular circuit board; an adjustable diaphragm is arranged above the second detection opening, aperture adjustment of the second detection opening is achieved, and the axis of the first detection opening, the axis of the second detection opening, the axis of the third detection opening and the axis of the adjustable diaphragm are located on the same axis. The aperture of the annular light source can be changed through the adjustable diaphragm so as to meet the detection requirements of different product sizes, the adjustment is convenient, the cost is saved, and the detection efficiency is improved.

A knob device is disclosed. The knob device includes a base, an operating cover, a ring-shaped circuit board, a brake ring, a resistance element, a plurality of elastic elements, a plurality of conductive trigger elements, and a plurality of reset conductive elements. The base has an external conductive assembly. The operating cover is rotatably disposed on the base and is movable up and down. The ring-shaped circuit board is disposed in the base. The brake ring is fixed to the ring-shaped circuit board and connected to the operating cover. The resistance element is fixed to the base and abuts against the brake ring. The plurality of elastic elements are disposed on the brake ring or the ring-shaped circuit board. The plurality of conductive trigger elements are fixed to the bottom surface of the operating cover. The plurality of reset conductive elements are disposed on the brake ring. When the operating cover is pressed, the conductive trigger elements squeeze the elastic elements and push the reset conductive elements to contact the external conductive assembly. When the operating cover is released, the elastic elements push away the conductive trigger elements and separate from the reset conductive elements.

The invention discloses a ring oscillation circuit, a chip and electronic equipment, and belongs to the technical field of integrated circuits. The annular oscillation circuit comprises an oscillation driving circuit and an oscillation ring circuit; the oscillation driving circuit is used for driving the oscillation ring circuit according to the first driving capability under the condition that the oscillation ring circuit does not start oscillation; under the condition that the oscillation ring circuit starts oscillation, the oscillation ring circuit is driven according to the second driving capacity, and the first driving capacity is larger than the second driving capacity; and the oscillation ring circuit is used for outputting an orthogonal signal according to the driving of the oscillation driving circuit. According to the ring oscillation circuit, the driving capability of the oscillation ring circuit is dynamically controlled through the oscillation driving circuit, so that the problem that the oscillation ring circuit does not start oscillation due to insufficient driving capability can be avoided, the problem that the oscillation frequency is reduced due to overlarge driving capability can be avoided, an orthogonal signal with higher frequency can be generated, and the reliability of the ring oscillation circuit is improved. Therefore, the method can be applied to applications with higher frequency generation.

The utility model discloses a multifunctional control system based on a mechanical arm end tool, a flexible ring circuit board is provided with three buttons, an indicating lamp ring and a constant current source circuit, the circuit board is connected with a mechanical arm tool port, and an upper computer collects signals of the buttons through a control box to carry out linear motion, plane keeping and free motion. In the using process, the lamp ring is used for indicating the state of the mechanical arm, and the lamp ring can be directly dragged to the mechanical arm and can be stopped after the lamp ring is loosened only by pressing the key down corresponding operation beside the mechanical arm. The method is simple and safe, the action of operating the upper computer and the mechanical arm back and forth by a doctor is relieved, and the possibility of misoperation is also prevented.

The application provides a peak inductive reuse CML divide-by-two frequency divider circuit. The circuit comprises a first CML latch and a second CML latch, the two CML latches are interconnected in a divide-by-two frequency division mode; a first peak inductor, a second peak inductor, a third peak inductor and a fourth peak inductor, the four peak inductors are sequentially connected in a ring circuit; a non-inverting output end of the first CML latch is connected to a first common connection point of the first peak inductor and the fourth peak inductor; an inverting output end of the first CML latch is connected to a second common connection point of the second peak inductor and the third peak inductor; a non-inverting output end of the second CML latch is connected to a third common connection point of the first peak inductor and the second peak inductor; and an inverting output end of the second CML latch is connected to a fourth common connection point of the third peak inductor and the fourth peak inductor. The technical scheme of the application can improve the frequency division speed while reducing the chip area.

An oscillation apparatus includes: an oscillator including a resonator and a magnetic-field generating unit, the resonator including a loop circuit and a capacitor, the loop circuit including a first superconducting line, a first Josephson junction, a second superconducting line, and a second Josephson junction connected in a ring shape, the magnetic-field generating unit being configured to apply a magnetic field to the loop circuit, and the oscillator being configured to perform parametric oscillation; a read-out unit for reading out an internal state of the oscillator; and a filter configured to restrict transmission of a signal in a predetermined frequency band. A circuit in which the capacitor and the loop circuit are connected in a ring shape is connected to the read-out unit through the filter.

A loop circuit (21) that is electrically connected to an IC chip (30) is formed on a film (20). The loop circuit (21) has metal wiring (20b) disposed in a recessed section (21a) of the film (20). The metal wiring (20b) has: a first terminal section (21b1) that is electrically connected to the IC chip (30); a second terminal section (21b2) that is electrically connected to the first terminal section (21b1) via the IC chip (30); and a wiring section (21b3) that connects the first terminal section (21b1) and the second terminal section (21b2). The wiring section (21b3) has a thickness of 10 μm or less and a line width of 0.2 mm or less.

The invention relates to the technical field of rotating shaft torque measuring systems, in particular to a torque measuring system. The device comprises a detection device and a detection module installed on the detection device. The detection device is provided with a fixed shell, and a connecting body is rotatably arranged in the fixed shell; the connecting body is used for realizing the connection between the power shaft and the load shaft, and the power shaft and the load shaft jointly form a rotating shaft to be detected; the detection module comprises an inner ring circuit unit arranged at the connecting body and an outer ring circuit unit arranged at the fixed shell, and the inner ring circuit unit and the outer ring circuit unit are independently arranged. When the measuring system is used, non-contact signal transmission between the dynamically rotating connecting body and the fixed shell can be well achieved, and the real-time performance and accuracy between the generated optical signal and the measured torque loading force are effectively guaranteed.

The present invention relates to the field of sensor technology and discloses a centrally perforated annular ceramic capacitor, wherein the annular capacitor is formed by fusing and sintering a ceramic base and a ceramic reaction membrane, and wherein the axes of the ceramic base and the ceramic reaction membrane are each provided with through holes to provide a mounting channel for the circuit elements to be assembled, so that the annular capacitor can be more conveniently integrated into the complex circuit of the temperature-pressure sensor in order to simplify the overall structure of the temperature-pressure sensor, including the circuit and sealing structure, in this way giving the temperature-pressure sensor a structure of automated assembly in order to reduce manufacturing and assembly costs;In comparison to the disc-shaped ceramic capacitor without a through-hole in the middle, the toroidal capacitor with the arrangement of the first ring circuit and the second ring circuit has a higher initial value and a greater amount of change, so that the toroidal capacitor has a wider measuring range and a finer pressure sensing gradation to improve the accuracy of pressure detection.

The utility model discloses a controller U1, a vibration sensor circuit, a receiving circuit, an LED lamp circuit, an antenna circuit and a power supply circuit, the vibration sensor circuit, the receiving circuit, the LED lamp circuit, the antenna circuit and the power supply circuit are respectively connected with the controller U1, and the LED lamp circuit and the vibration sensor circuit are respectively connected with the power supply circuit. The vibration sensor circuit comprises a diode D1, a vibration sensor T1, a capacitor C8, a resistor R6 and a resistor R8, the positive electrode of the diode D1 is connected with the power supply circuit, the negative electrode of the diode D1 is connected with one end of the vibration sensor T1 through the resistor R6, the other end of the vibration sensor T1 is connected with the signal input end P18 of the controller U1 through the resistor R8, and the other end of the vibration sensor T1 is connected with the ground GND through the capacitor C8. The device can monitor and record the daily activity amount in real time, and when poultry returns to the house at night, counting is accurate and efficient, and the endurance time is long.

A slotless electric motor and means for making the same, wherein the slotless electric motor has a cylindrical air gap between an inner and outer cylindrical layer. Arcuate orthocyclic windings are secured within the air gap, and electrically connected to an annular circuit board, the annular circuit board further having means to electrically connect power and control wiring to the annular circuit board and therein to the orthocyclic windings.

The utility model discloses a radio frequency identification (RFID) near field antenna, which comprises an upper antenna layer, a substrate material layer, a metal connecting layer, a lower antenna layer and a chip, the upper antenna layer and the lower antenna layer are conductively connected through the metal connecting layer to form a continuous annular circuit structure, the antenna layer is annular, and the chip is arranged on the substrate material layer. The side end of the upper antenna layer is connected with a first parallel metal block through a first connecting line, the side end of the lower antenna layer is connected with a second parallel metal block through a second connecting line, the first parallel metal block and the second parallel metal block are vertically opposite and are separated through a substrate material layer, and a classic parallel plate capacitor structure is formed. Through the above mode, the antenna impedance is convenient to adjust, the antenna can be rapidly adapted to various RFID chips by adjusting the area of the antenna loop and the area of the parallel plate capacitor, the impedance matching problem of the antenna and the chip under the condition of small size is solved, and the reading distance of the small-size near-field antenna is improved.

The utility model is suitable for the technical field of photovoltaic power generation, and provides a sensor coil structure, a sensor and a photovoltaic system, and the sensor coil structure comprises a first annular circuit board; the magnetic core ring is arranged on the periphery of the first annular circuit board; the second annular circuit board is arranged on the periphery of the magnetic core ring; the sensor coil is wound on the first annular circuit board and the second annular circuit board; and the sensor coil adopts a crossed winding routing mode which is overlapped with the current direction. By means of the arrangement, the wire turns of the sensor coil are wound in a crossed mode, the distributed capacitance between the wire turns of the coil is effectively reduced, the detection bandwidth of the sensor is improved, and it is ensured that fault arc current in a circuit is reliably sensed.

The utility model discloses a refrigeration seat ring circuit. A main control unit U2; the key unit is connected with the main control unit U2 so as to switch a refrigeration mode; the positive electrode of the temperature probe terminal J3 receives a voltage, and the negative electrode of the temperature probe terminal J3 is connected with the acquisition end of the main control unit U2; the positive electrode of the refrigeration sheet terminal J4 receives a voltage, the negative electrode of the refrigeration sheet terminal J4 is connected with the source electrode of the MOS tube Q1, the drain electrode of the refrigeration sheet terminal J4 is grounded, and the grid electrode is connected with the main control unit U2; the positive electrode of the fan terminal J5 receives a voltage, the negative electrode of the fan terminal J5 is connected with the source electrode of the MOS tube Q2, the drain electrode of the fan terminal J5 is grounded, and the grid electrode of the fan terminal J5 is connected with the main control unit U2. And then the main control unit U2 sends signals to the refrigeration sheet and the fan through the refrigeration sheet terminal J4 and the fan terminal J5 to drive the refrigeration sheet and the fan to work, so that refrigeration is realized, and the problem that the high temperature is not suitable in summer is solved for a user.

The utility model discloses a multi-gear adjustable resistance potentiometer in the technical field of circuit components, and aims to solve the problem that the resistance value of a potentiometer in the prior art is continuously and linearly changed, so that the use requirements under multiple working conditions cannot be met. The device comprises a substrate and an electric brush rotating in the middle of the substrate, an inner ring wire copper sheet and two wiring copper sheets located on the two sides of the inner ring wire copper sheet are laid on the substrate, and an annular carbon film resistor and an annular circuit sheet are connected between the two wiring copper sheets. The annular circuit piece and the annular carbon film resistor can directly communicate with the two wiring copper pieces respectively, the radiuses of rings where the annular circuit piece and the annular carbon film resistor are located are different, and the annular circuit piece and the annular carbon film resistor are connected through a plurality of second wires. According to the utility model, the linear change resistance of the traditional potentiometer is converted into the multi-gear control resistance, and the adjustment of various gears can be realized through rotation, so that the requirements of customers in different application scenes are met.

The application discloses a substrate heater suitable for a molecular beam epitaxy device, which comprises a disc-shaped boron nitride pyrolytic base, a pyrolytic graphite coating arranged on the boron nitride pyrolytic base and a boron nitride pyrolytic protective coating arranged on the pyrolytic graphite coating, an inner ring circuit and an outer ring circuit are arranged on the pyrolytic graphite coating, and the inner ring circuit and the outer ring circuit are respectively led out by electrodes to realize independent heating. The application further discloses a manufacturing method of the heater, which comprises the following steps: S1, depositing a pyrolytic graphite coating on a boron nitride pyrolytic base; S2, processing a circuit pattern on the pyrolytic graphite coating; and S3, depositing a boron nitride pyrolytic protective coating on the pyrolytic graphite coating. The application has the advantages of high material purity, low outgassing rate, good mechanical property in a high-temperature environment, convenient flexible adjustment of the circuit design for different application scenes and the like, and the temperature uniformity is improved.

A time-multiplexed Ising computational machine, AWIM, comprising: a ring circuit comprising: an acoustic delay line for propagating a plurality artificial Ising spinwave pulses, an electronic phase-sensitive amplifier electrically connected to the acoustic delay line configured to cause phase degeneracy of the plurality of propagating artificial Ising spinwave pulses. The AWIM also comprises a measuring unit, interaction unit and an annealing and computing unit.

The application provides a method and device for preventing mis-trip of distance protection in a large distance interval ring, fault propagation records of interval ring circuit breaker nodes are collected to construct a mis-trip risk conduction matrix, and a fault path is tracked; wavelet decomposition is used to perform frequency spectrum analysis on the tracked path, and a key protection section is identified; impedance aggregation states and power transmission trajectories of each node are extracted, an energy distribution mode is established, and an impedance-power-energy coupling situation is formed; a time window is activated based on the coupling situation, a cooperative distance protection potential field is constructed through a communication protocol, a gradient scan is performed to construct a cooperative network, a multi-dimensional protection decision domain is generated through vector superposition, an optimal balance point is located through global search, a hierarchical protection setting sequence is generated, a cooperative adjustment strategy is formulated, a transition from passive to active is realized for the large distance interval ring protection, and intelligent mis-trip prevention is completed through real-time monitoring of dynamic impedance state identification of a transition critical point and triggering of the cooperative adjustment.

The invention belongs to the field of mask components, and provides a ring circuit and a low-random-number-source and low-area combinable hardware mask component. Wherein the loop circuit comprises a first register, a selector, an input operation combination circuit, a common operation combination circuit, a feedback operation combination circuit and an output operation combination circuit; the input operation combination circuit is used for processing an input signal and then is connected to a first input end of the selector; a signal output by the output end of the selector is processed by the common operation combination circuit and then is connected to the input end of the first register; a signal output by the output end of the first register is connected to the second input end of the selector after being processed by the feedback operation combination circuit; and the signal output by the output end of the first register is processed by the output operation combination circuit and then is used as the output of the loop circuit.

A quantum gate device includes a first superconducting circuit which includes at least one of Josephson devices in an annular circuit including a superconducting wire and resonates at a first resonance frequency, a second superconducting circuit which includes at least one of Josephson devices in an annular circuit including a superconducting wire and resonates at a second resonance frequency, a connection unit which includes a capacitor and a superconducting wire provided at each electrode of the capacitor and connects the first and second circuits, a magnetic field application means applying a magnetic field to one or both of the first and second circuits, a quantum gate control electromagnetic wave irradiation unit irradiating one of the first and second circuits with a control electromagnetic wave, and an unnecessary transition suppression electromagnetic wave irradiation unit irradiating one of the first and second circuits with an unnecessary interaction suppression electromagnetic wave.

The invention discloses a broadband signal source system and a control method, and belongs to the technical field of radio frequency testing. The system comprises a reference source and a microwave module, the microwave module is provided with a control panel, and the control panel comprises a communication interface, a DCDC power supply and an FPGA; the reference source adopts a double-ring circuit structure, a low-noise integer ring generates a three-reference-point reference signal of an L wave band, the three-reference-point reference signal serves as a reference signal of a fractional phase-locked loop, and the reference signal is processed through switch filtering, power control and a pulse modulation circuit to form a low-noise signal with the frequency covering 0.1 GHz-20 GHz, KHz frequency resolution and 0.5 dB power precision. The control method comprises the steps that the upper computer sends a control instruction, the communication module receives and transmits the control instruction to the control panel, the control panel controls the reference source to generate a reference signal, the reference signal is processed to form a low-noise signal, and the control panel returns the state to the upper computer. According to the invention, the compatibility and expansibility are improved through modular design, the test cost and demand are balanced, and the demand of radio frequency component test for high-quality signals is met.

The utility model discloses a PCB electroless silver board welding ring circuit teardrop structure, and relates to the circuit board production field, the teardrop structure is symmetrically arranged between two adjacent welding rings, the two welding rings are connected through a wire, the teardrop structure is arranged on two sides of the wire, the teardrop structure comprises a wire connecting part and a teardrop part, the wire connecting part is connected with the teardrop part, and the teardrop part is connected with the wire connecting part. The tear dripping parts are arranged at the included angle position of the wire and the welding ring, the two ends of each tear dripping part are connected to the wire and the welding ring respectively, the wire connecting part is arranged on one side of the wire in parallel, the two ends of the wire connecting part are connected to the two tear dripping parts respectively, and the outer surfaces of the wire and the tear dripping structure are coated with anti-corrosion layers. And the circuit copper foil is prevented from being corroded by the galvanic effect in the silver melting production process to generate a thin neck phenomenon.

The invention relates to the technical field of radio frequency microwave circuits, and discloses a hybrid integrated duplexer with a frequency-selecting coupling output characteristic structure in waveguides, which comprises a first rectangular waveguide, a second rectangular waveguide and a pair of circuits manufactured on a dielectric substrate. The circuit on the substrate comprises a semicircular ring-shaped circuit and a first band-pass filter, and the first band-pass filter is connected with the semicircular ring-shaped circuit in a slot coupling mode; the semicircular ring circuit and the first band-pass filter are both located in the first rectangular waveguide. According to the invention, the first rectangular waveguide, the second rectangular waveguide, the semicircular circuit on the dielectric substrate and the first band-pass filter circuit are matched, and the filtering and frequency division functions of the core are directly built in the first rectangular waveguide, so that an integrated framework of coupling, namely filtering, is realized; while high isolation, low insertion loss and excellent out-of-band rejection are achieved, the overall circuit size is reduced, the overall structure is compact, and the use requirement is met.

An electronic device and associated methods including magnonic and electronic circuitry are disclosed. In one example, an array of magnonic elements are interconnected to form a network of spin wave paths, and an electronic pathway is connected to the network of spin wave paths to form a ring circuit.

The present invention discloses a narrow linewidth single longitudinal mode seed laser system and a generation method, which includes a VCSEL laser, a polarization-maintaining beam splitter, a mirror, and a half-wave plate. The beam emitted by the VCSEL laser is first split into a TM-mode beam and a TE-mode beam by the polarization-maintaining beam splitter. On the propagation paths of the TM-mode beam and the TE-mode beam, a number of mirrors are arranged, and the design of these mirrors enables the two-mode beams to form a ring circuit. A half-wave plate is provided on the said ring circuit to achieve the regulation of the polarization state of the beam. Through the setting of this system, a narrow linewidth (about 1MHZ) single longitudinal mode seed laser can be generated, providing a high-quality light source for fields such as optical communication and spectral analysis; at the same time, the structure is simple, easy to implement, and reduces the implementation complexity and cost of the narrow linewidth single longitudinal mode seed laser.

A slotless electric motor and means for making the same, wherein the slotless electric motor has a cylindrical air gap between an inner and outer cylindrical layer. Arcuate orthocyclic windings are secured within the air gap, and electrically connected to an annular circuit board, the annular circuit board further having means to electrically connect power and control wiring to the annular circuit board and therein to the orthocyclic windings.

The invention discloses an electrically-controlled waveguide band-pass and band-stop switchable filter based on a metamaterial, and belongs to the technical field of high-power microwave metamaterial filtering. The filter comprises a rectangular waveguide, at least one micro-strip spiral resonant ring circuit board and a waveguide external shielding cavity, wherein the micro-strip spiral resonance circuit board is placed in the rectangular waveguide, the head end and the tail end, provided with the PIN diode, of the spiral micro-strip line extend out through the gap, and the PIN diode is placed in a shielding cavity outside the waveguide. According to the invention, the switching of the resonance state is controlled through the PIN diode, so that the nanosecond-level electric control rapid switching of the band-pass state and the band-stop state of the waveguide structure is realized; in addition, the PIN diode is placed outside the waveguide, and the high power capacity similar to that of a traditional waveguide filter can be achieved.

The present application discloses a center-perforated annular ceramic capacitor. An annular capacitor is formed by combining and sintering a ceramic base and a ceramic reaction diaphragm, and axes of the ceramic base and the ceramic reaction diaphragm are both provided with through holes to provide an assembly path for circuit elements to be combined, and a structure of the temperature-pressure sensor as a whole is simplified, including a circuit and a sealing structure, thereby enabling the temperature-pressure sensor to have a structure of automatic assembly and reducing the production and assembly costs; the first annular circuit and the second annular circuit of the annular capacitor design have a higher initial value and wider capacitance variation compared with the central non-through hole disc-shaped ceramic capacitor, so that the annular capacitor has a wider measuring range and finer pressure sensing classification, thereby improving accuracy of pressure measurement.