77 results about "Signal Conditioner" patented technology

A method is provided for improving the EMC robustness of Integrated Capacitive Sensor systems with a sensor Signal-Conditioner (SSC). The SSC is connected with a capacitive integrating converter to convert a received signal into a bit stream. An oscillator provides a plurality of sampling frequencies. A counter connected with the capacitive integrating converter collects the bit stream and calculates the digital representative of the physical input which is than stored in an output register. The method includes performing some conversions with different sampling frequencies from the oscillator or a frequency divider by the capacitive integrating Signal-Converter; storing the results of the samplings and using the results in the following cycle to calculate for each sampling frequency a difference to the prior sampling of the same frequency; and calculating the digital representative of the input signal from the external sensing capacitor as the reverse weighted average of the samplings of the different frequencies.

A signal conditioning connector assembly is provided, including an enclosure, and a plurality of signal conditioner layers mounted within the enclosure. Each signal conditioner layer includes a substrate, signal conditioner circuitry mounted to the substrate, first electrodes forming a first connector on a first side of the signal conditioner circuitry, second electrodes forming a second connector on a second side of the signal conditioner circuitry, a heat spreader in thermal communication with a side of the signal conditioner circuitry opposite the substrate, and a liquid cooling pipe positioned adjacent and in thermal communication with the heat spreader. The liquid cooling pipe is configured to draw heat away from the heat spreader for thermal management. The signal conditioning connector assembly can be positioned adjacent an interface between the vertical cable shuffle and the horizontal cable backplane within the rack of the computing device assembly of the first and second aspects.

The application discloses a flat valve repairing device, which comprises a fixing device, a valve cover disassembling device, a valve seat disassembling device, a turnover device, a valve cover fastening device, a packing sealing device and an ultrasonic cleaning device. The fixing device is used for fixing the flat valve; the valve cover disassembling device is used for disassembling the valve cover of the flat valve; the valve seat disassembling device is used for disassembling the valve seat; the turnover device is used for rotating the flat valve; the valve cover fastening device is used for clamping the valve cover; the packing sealing device is used for sealing the packing into the valve cover of the flat valve; and the ultrasonic cleaning device is used for cleaning the disassembled parts. The application further discloses an automatic control system of the flat valve repairing device, which realizes the automatic disassembling, assembling and packing sealing of the flat valve through an industrial control touch screen, a PLC controller, an A / D converter, a signal conditioner, a circuit driver and a power component driver. The application realizes the automatic operation of the disassembling and packing sealing of the flat valve, has high working efficiency and low labor intensity, and is suitable for all scenes in which the flat valve needs to be disassembled.

A system and method for generating ultra-short pulses intended to be inserted into a ring laser with a regulator of a pulsed signal of a certain intensity, the system includes an optical attenuator that allows the intensity of the pulsed signal to be adjusted at the input of an optical guide section, and a distributed amplification device inserted in the optical guide that make it possible to manage the power of the signal therein, so that it propagates as solitons or as self-similar pulses without suffering unwanted distortions despite the increase in the length of the laser cavity, increasing the power of the pulsed signal and making it possible to exceed the usual power limits of this type of laser.

This invention discloses a linear compensation circuit and method for a silicon piezoresistive pressure sensor, belonging to the technical field of silicon piezoresistive pressure sensors. The linear compensation circuit includes a signal conditioner D1, an operational amplifier N1, a lid curve correction switch S1, a bottom curve correction switch S2, and voltage divider compensation resistors R1 to R7. By adjusting the lid curve correction switch S1, the bottom curve correction switch S2, and the voltage divider compensation resistors R1 to R7, the correction excitation voltage UR is adjusted by feedback with the output voltage VOUT. The correction excitation voltage UR and the output voltage of the silicon piezoresistive pressure sensor core N2 are linearly related, ultimately enabling the silicon piezoresistive pressure sensor to output linearly, reducing the scrap rate of the silicon piezoresistive pressure sensor core N2, and solving the problem that existing linear compensation technologies can only achieve single linear compensation of the lid curve through the back-end circuit and cannot meet the linear compensation of the bottom curve.

High-resolution intravascular ultrasound (H-IVUS) operates under a large acoustic bandwidth, provides high resolution while maintaining good depth penetration, and exhibits other favorable characteristics like focused imaging. A H-IVUS transducer assembly can be manufactured at a low cost using conventional methods commonly utilized in the microelectronics industry. The H-IVUS transducer assembly can include a printed circuit having one or more electrical signal conditioners. One or more convertors made of a polymer and configured to convert electrical energy to acoustic energy and acoustic energy to electrical energy can be formed in place away from the printed circuit. After construction, the one or more formed in place convertors are interfaced to the printed circuit with at least a conductive material.

The invention discloses a pressure detection device for a pipe section type high-pressure paste conveying pipeline. The pressure detection device comprises a pipe type stress body, a rhombus structure, a clamping column structure and a signal conditioner. The clamping column structure comprises two clamping columns which are fixed to the outer wall of the tubular stress body and arranged side by side in the circumferential direction of the tubular stress body. The two ends, in the short diagonal direction, of a rhombic base body of the rhombic structure are fixedly connected with one clamping column respectively, and a strain beam provided with a strain gauge is connected between the two ends, in the long diagonal direction, of the rhombic base body. The signal conditioner is fixed to the outer wall of the tubular stress body and used for conditioning signals output by the strain gauges to obtain bridge output voltage U0 corresponding to resistance changes of the strain gauges, and internal pressure P of the tubular stress body is obtained through the bridge output voltage U0 output by the signal conditioner. The internal pressure of the pipeline is detected in a non-intrusive mode, nondestructive detection of the internal pressure of the conveying pipeline can be achieved, and normal operation and structural integrity of the conveying pipeline cannot be affected.

This invention provides a spacecraft interface force extraction and force limit testing method based on the least squares method, applicable to a spacecraft vibration testing system. The testing system includes a vibration table, an extended table surface or horizontal slide, test fixtures, a signal conditioner, a vibration controller, a power amplifier, a vibration table oil pump, a cooling unit, and an external circulating water system. The testing method comprises fourteen steps. This invention's method analyzes a wide frequency range, reduces the cost of spacecraft force limit testing, meets the engineering application requirements for quantifying interface forces, effectively mitigates overtesting in spacecraft vibration testing, and ensures the safety of spacecraft products and equipment operation.

The utility model discloses a dynamic strain data acquisition and conditioning device comprising a housing which is composed of a bottom box and an upper cover. A power switch, a data acquisition board and a signal conditioning board are arranged in the shell, the data acquisition board and the signal conditioning board are arranged up and down and fixed on the shell, and the power switch, the data acquisition board and the signal conditioning board are electrically connected through wires. According to the utility model, the data acquisition board and the signal conditioning board are integrated in the same device, and the original complex wiring which needs to be connected with the data acquisition device, the dynamic strain signal conditioner and the dynamic strain gauge is simplified into only two devices which need to be connected with the dynamic strain data acquisition device and the dynamic strain gauge, so that the wiring number is greatly reduced, and the wiring cost is reduced. And the wiring difficulty is effectively reduced.

A turbo-boost controlled intake system is disclosed that provides a driver of a vehicle with greater control over vehicle performance. The turbo-boost controlled intake system includes a control module that is coupled with an aircharger air intake. The control module instructs an electronic control unit of the vehicle to increase manifold pressure to a higher level before releasing the pressure through a waste gate so as to provide a greater power output of the engine. The turbo-boost controlled intake system further includes a wiring harness and a signal adjuster. The wiring harness couples the control module with a turbo inlet pressure sensor, a manifold absolute pressure sensor, and an electronic control unit of the vehicle. The signal adjuster includes a rheostat that enables manual adjustment of the power output of the engine.

A device for estimating the temperature of a loudspeaker's voice coil includes a signal generator, a signal adjuster, an adder, and a temperature estimator. The signal generator generates and outputs an amplified signal to a loudspeaker according to a measurement signal and an audio signal, and senses a voltage and a current of the amplified signal to generate and output a sensory output. The signal adjuster generates and outputs an inverted signal according to the audio signal. The adder adds the sensory output and the inverted signal to generate a blended signal. The temperature estimator obtains an estimated resistance value of the loudspeaker's voice coil according to the blended signal, and generates a temperature signal according to the estimated resistance value, wherein the temperature signal indicates an estimated temperature value of the loudspeaker's voice coil. Additionally, a method for estimating the temperature of the loudspeaker voice coil is provided.

The invention relates to a device for monitoring electric leakage discharge of an electrolytic bath and a monitoring method. The device comprises a power grid power supply unit, a contactor, a hydrogen production power supply, a proton exchange membrane electrolytic bath body, at least one sound pickup, a controller, an alarm unit, a valve control unit and a signal conditioner, the power grid power supply unit is connected with the hydrogen production power source through the contactor, the proton exchange membrane electrolytic bath body is connected with the hydrogen production power source and the valve control unit, and the sound pick-up is arranged on the periphery of the proton exchange membrane electrolytic bath body and used for collecting sound signals in the operation process of the proton exchange membrane electrolytic bath body. The sound pickup is connected with the signal conditioner, and the controller is connected with the signal conditioner, the alarm unit, the valve control unit and the contactor, so that timely monitoring can be realized, the omission ratio is low, and the operation safety can be improved.

The utility model relates to the field detection field, and discloses a breaker closing resistance state field detection device, in the device, a voltage and current signal acquisition system is arranged in a device main body, a signal conditioner is arranged on a PCB, a high-speed synchronous sampling terminal is electrically connected with the signal conditioner, and the high-speed synchronous sampling terminal comprises a GNSS taming clock, a high-speed sampling module and an intelligent data terminal; the operation panel is arranged on the outer surface of the device main body; the electric signal input interface is arranged on the device main body and is connected with the high-speed sampling module; and the 4G antenna is arranged on the device main body and is connected with the voltage and current signal acquisition system.

The invention relates to a non-magnetic metal classification technology, in particular to an aluminum alloy classification device and method based on a double-excitation eddy current array sensor, and the device comprises a belt conveyor, two stand columns, two cross beams, a transparent supporting plate, a correlation type photoelectric switch, an eddy current array sensor, a laser distance measuring sensor, a signal generator, a signal conditioner and an upper computer; the two stand columns are fixed to the ground on the two sides of the belt conveyor respectively. The head ends of the two cross beams are fixed to the upper ends of the two stand columns respectively. The transparent supporting plate is horizontally fixed between the tail ends of the two cross beams; an emitter and a receiver of the correlation type photoelectric switch are respectively fixed on the side surfaces of the two upright posts; the eddy current array sensor comprises four coils which are horizontally fixed on the upper surface of the transparent supporting plate and are arranged in a rhombus shape; the laser distance measuring sensor is fixed on the upper surface of the transparent supporting plate. The problem that the classification accuracy is low when an existing non-magnetic metal classification technology is applied to aluminum alloy classification is solved, and the method is suitable for aluminum alloy classification.

1. The name of this design product: signal conditioner. 2. Purpose of this design product: to provide constant current line drive power supply for IEPE (ICP) sensors. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses a line resistance compensation method for long-line transmission of a magnetic flux cable force sensor, and the method comprises the steps: installing the magnetic flux cable force sensor at a working measurement point for detection, adjusting a magnetic induction voltage signal outputted by the magnetic flux cable force sensor through a signal conditioner, and transmitting the magnetic induction voltage signal to a data processing system for processing through a high-speed analog-to-digital converter; the data processing system adopts a least square polynomial to fit the signal, and obtains a quantization integral value of a working measurement point; and taking the obtained quantized integral value of the working measurement point as an interpolation point, realizing optimization of the quantized integral of the working point by using a bilinear interpolation algorithm, and solving the relative permeability and the stress value of the working measurement point according to the optimized quantized integral value of the working point. According to the invention, the problem that the accuracy of cable stress measurement is influenced by factors such as sensor signal noise and cable impedance is solved, and the measurement precision of magnetoelastic effect stress detection of the magnetic flux cable force sensor is improved.

The present invention discloses a signal conditioner for an impact stress wave system, which includes a power supply module, a constant current source module, a signal amplification module, and a filtering module; the power supply module converts the input voltage into the voltage required by the system to supply power to the constant current source module, the signal amplification module, and the filtering module; the constant current source module is connected to the accessed acceleration sensor, provides a constant current to the acceleration sensor, and transmits the measured voltage value to the signal amplification module; the signal amplification module is connected to the constant current source module and the filtering module, amplifies the voltage signal measured by the constant current source module, and transmits the amplified signal to the filtering module; the filtering module is connected to the signal amplification module, removes the bottom current from the amplified signal to convert it into a signal voltage, and transmits the signal voltage to the data acquisition card. The present invention realizes the reduction of system noise while being powered by a power supply with strong noise, and improves the measurement accuracy and robustness of the system.

The invention discloses a damage detection method and system for a high-voltage power transmission line and electronic equipment, and relates to the related technical field of power transmission line detection.The method comprises the steps that an excitation response detection module used for damage detection is arranged on the high-voltage power transmission line, and the excitation response detection module comprises a signal excitation unit and a response acquisition unit; inputting the component type of the target detection node to the adaptive excitation signal regulator, and obtaining an excitation response signal of the target detection node through a response acquisition unit; and carrying out damage comparison identification on the excitation response signal and the component-nondestructive response template, outputting a damage detection score of the target detection node, and uploading the damage detection score to a main control center of the high-voltage transmission line. The technical problems that in the prior art, excitation signals are not matched with line component types, the anti-interference capacity is weak, and consequently the damage detection precision and sensitivity of the power transmission line are poor are solved, and the technical effects that the excitation signals are matched in a self-adaptive mode, and the damage detection precision and sensitivity of the high-voltage power transmission line are improved are achieved.

A digital phase-locked loop includes a first clock divider, a decimation filter, a proportional integral filter, a signal conditioner, and a digitally controlled oscillator. The first clock divider divides a first clock signal including a first clock rate to generate a second clock signal including a second clock rate less than the first clock rate. The decimation filter converts an input signal at the first clock rate to an output signal at the second clock rate. The proportional integral filter filters the output signal at the second clock rate to generate a filtered output signal. The signal conditioner conditions the filtered output signal at the second clock rate to generate a conditioned output signal. The digitally controlled oscillator generates a carrier clock signal in response to the conditioned output signal.

The utility model relates to the technical field of audio equipment production, and discloses an aging test device for an audio power amplifier, which comprises a box body, and a group of load resistors, a switching power supply, a signal regulator and a control circuit which are arranged in the box body. The surface of the box body is provided with a control panel, the back side of the box body is provided with an interface panel, the interface panel is provided with a signal input interface, a power input interface, a signal output interface, a left channel load interface, a right channel load interface and a power output interface, and the left channel load interface and the right channel load interface are electrically connected with the corresponding load resistors respectively. And the load resistor, the signal regulator, the control circuit, a control key on the control panel and the timing display are electrically connected with the control circuit. The load resistor is arranged on the radiator, and at least one side of the radiator is provided with a cooling fan. According to the aging test device, automatic aging test of the audio power amplifier can be realized, and the stability and the safety of the test process are improved.

An apparatus includes a sensor to generate a light signal in response to receiving gamma radiation, and a photo multiplier tube (PMT) that receives the light signal and generates a corresponding PMT signal. A voltage source provides a supply voltage to the PMT. The magnitude of the PMT signal depends on a magnitude of the supply voltage. A temperature sensor generates a temperature signal with a magnitude that varies with a temperature sensed by the temperature sensor. The temperature sensed by the temperature sensor is substantially equal to a temperature of the PMT. A signal conditioner modifies the temperature signal. A control circuit coupled between the voltage source and the signal conditioner receives the modified temperature signal and generates a control signal for adjusting the magnitude of supply voltage based on the modified temperature signal.

The utility model discloses an obstacle detection circuit, a controller and a robot, and relates to the technical field of artificial intelligence. The device comprises an ultrasonic sensor, a transformer and a signal regulator, and a secondary coil of the transformer is coupled with the ultrasonic sensor so as to excite the ultrasonic sensor through the transformer. Wherein the signal input end of the signal regulator and the ultrasonic sensor are arranged in parallel, and the driving output pin of the signal regulator is coupled with the primary coil of the transformer. Therefore, the ultrasonic sensor can be driven and excited through the transformer, the attenuation loss of sound wave energy of the ultrasonic sensor propagating in the air is met, and the propagation distance is increased. And the signal regulator is used for receiving and transmitting sound wave signals of the ultrasonic sensor. Therefore, on the basis of ensuring the detection distance of the obstacle, the hardware cost is greatly reduced.

A turbo-boost controlled intake system is disclosed that provides a driver of a vehicle with greater control over vehicle performance. The turbo-boost controlled intake system includes a control module that is coupled with an aircharger air intake. The control module instructs an electronic control unit of the vehicle to increase manifold pressure to a higher level before releasing the pressure through a waste gate so as to provide a greater power output of the engine. The turbo-boost controlled intake system further includes a wiring harness and a signal adjuster. The wiring harness couples the control module with a turbo inlet pressure sensor, a manifold absolute pressure sensor, and an electronic control unit of the vehicle. The signal adjuster includes a rheostat that enables manual adjustment of the power output of the engine.

Provided is a cartridge used in an electronic pen and housed in a pen body configured as an enclosure of the electronic pen, the cartridge including a first inner electrode and a second inner electrode arranged on the inner surface of a cartridge body configured as an enclosure of the cartridge, a signal source configured to supply a signal to the first inner electrode, and a signal detector configured to detect a signal appearing on the second inner electrode, in which the first inner electrode is coupled capacitively with a first outer electrode arranged inside of the pen body, the second inner electrode is coupled capacitively with a second outer electrode arranged inside of the pen body, and, between the first outer electrode and the second outer electrode, a first signal adjuster is interposed so as to adjust the amount of the signal flowing therebetween.

A throttle control system and methods are disclosed that provide a driver of a vehicle with greater control over engine functions and vehicle performance. The throttle control system processes input signals from a throttle pedal of the vehicle and sends modified throttle position signals to a throttle body of the vehicle so as to increase throttle responsiveness of the vehicle. The throttle control system includes a control module, a wiring harness, and a signal adjuster. The wiring harness electrically couples the control module with the throttle pedal and the throttle body. The control module sends signals directly to the throttle body of the engine, bypassing an electronic control unit of the vehicle. The signal adjuster includes a rheostat that enables manual adjustment of the throttle responsiveness of the vehicle. A control dial coupled with the rheostat facilitates hand operation of the rheostat.

The invention discloses a full-isolation signal conditioner which comprises a power supply module, and an input module, a programmable signal configuration module and an output module which are connected with the power supply module, isolation modules are arranged between the input module and the programmable signal configuration module, between the programmable signal configuration module and the output module and between the power supply module; the power supply module comprises an open-loop power supply and a primary side noise feedback module; the open-loop power supply adopts a flyback topological structure; the primary side noise feedback module comprises a noise sampling circuit and a digital controller, and the isolation module comprises at least one independent isolation unit. The structure of the signal isolation conditioner is more flexible and simpler, and an integrated solution of high isolation, low crosstalk and multi-signal type dynamic configuration is realized on the premise of low cost.

The invention provides a cooperative press-fitting transmission device for a universal joint cross shaft and a bearing, and relates to the field of universal joint cross shafts, the cooperative press-fitting transmission device comprises two main vertical plates arranged at a certain interval, the end faces of the upper and lower sides of the main vertical plates are respectively provided with a vertical upper support frame and a vertical lower support base, and the lower support base has a stable support effect; and rotary driving assemblies are fixedly mounted on the side surfaces, close to each other, of the main vertical plates on the two sides. Through the press-fitting punches which are symmetrically arranged up and down, the precise cross shaft positioning clamp and the bearing positioning block, and a closed-loop force control system composed of the pressure sensor, the signal conditioner and the main control box, the press-fitting force can be monitored in real time and dynamically adjusted, it is ensured that the press-fitting process of each bearing conforms to a preset process curve, and the press-fitting precision is improved. The consistency and reliability of press fitting are greatly improved, and quality fluctuation caused by manual operation is avoided.

A relay driver control system comprising: a microcontroller in electrical communication with a relay driver; a call signal conditioner unit in electrical communication with the microcontroller, the call signal conditioner unit configured to receive a call signal and provide a conditioned call signal to the microcontroller; a voltage signal conditioner unit in electrical communication with the microcontroller, the voltage signal conditioner unit configured to receive a voltage signal and provide a conditioned voltage signal to the microcontroller; wherein the microcontroller is configured to: monitor the conditioned call signal relative to a cycle time range; monitor the conditioned voltage signal relative to a voltage signal range; and output an activation signal to activate the relay driver when the conditioned voltage signal is within the voltage signal range and the conditioned call signal is within the cycle time range.

The utility model discloses an on-load tap-changer transient vibration signal acquisition sensing system, which comprises a synchronous controller, an MCU microcontroller and a vibration sensor, and is characterized in that the vibration sensor is in physical magnetic connection with a transformer shell through a magnetic base to acquire vibration signals of the transformer shell; the single-channel constant-current source signal conditioner is electrically connected through a shielding cable, is used for providing direct-current voltage and conditioning and amplifying signals, is connected in series with a vibration acquisition AD converter through a port, and is used for completing conversion from data analog vibration signals to digital vibration signals; according to the utility model, the vibration sensor, the current sensor and the communication subsystem are installed on the housing, close to the on-load tap-changer, of the transformer, a worker does not need to enter a site, and the sensors automatically collect vibration signals and driving motor current signals generated by switching when the on-load tap-changer is switched, and then upload the signals to the cloud platform. And signal storage, display and analysis are realized.

This application provides an aero-engine rotor runout testing system, comprising: multiple laser displacement sensors, matched and positioned close to multiple test surfaces of the rotor under test, to obtain runout signals from the multiple test surfaces; one or more laser signal conditioners connected to the multiple laser displacement sensors, used to condition the optical signals of the laser displacement sensors into electrical signals; a laser speed sensor, positioned at a location matched to a keyed phase feedback module arranged on the rotor under test, to obtain the phase signal of the rotor under test through the laser speed sensor and the keyed phase feedback module; a data acquisition module, connected to one or more laser signal conditioners and the laser speed sensor, used to acquire measurement data from the laser displacement sensors and the laser speed sensor; and a data processing module, connected to the data acquisition module, used to process the signals acquired by the data acquisition module to obtain vibration characteristic values ​​of the rotor under test.