279 results about "Signal amplifier" patented technology

A system may include a digital front end (DFE). The DFE may be configured to generate a command signal. The system may also include a sweeper. The sweeper may be configured to generate an intermediate in-phase signal, an intermediate quadrature signal, and a LO signal based on the command signal. In addition, the system may include a mixer. The mixer may be configured to generate a mixed in-phase signal based on the intermediate in-phase signal and the LO signal. The mixer may also be configured to generate a mixed quadrature signal based on the intermediate quadrature signal and the LO signal. Further, the system may include an amplifier. The amplifier may be configured to generate an in-phase signal based on the mixed in-phase signal and an amplification setting. The amplifier may also be configured to generate a quadrature signal based on the mixed quadrature signal and the amplification setting.

The invention discloses a fuel cell internal partition current and temperature synchronous acquisition system and method, and relates to the technical field of fuel cell measurement. The system comprises a partition acquisition device, a data receiving module, a signal amplifier and an upper computer, the partition acquisition device adopts a split structure formed by nesting and assembling an inner mold and an outer mold; the inner mold comprises a contact layer and a transmission layer; the contact layer is provided with a plurality of conductive partitions and temperature sensors which are insulated from one another; the transmission layer is provided with a signal conversion unit for converting the partition current into a first voltage signal; the data receiving module is connected with the internal model and is used for acquiring a first voltage signal output by the signal conversion unit and a second voltage signal output by the temperature sensor, amplifying the signals through the signal amplifier and transmitting the signals to the upper computer; and the upper computer is used for analyzing the first voltage signal and the second voltage signal. By adopting the system, high-precision synchronous monitoring of the current and the temperature of the core area of the electric pile can be realized, so that control strategy optimization and fault diagnosis are effectively supported.

The application provides a detection system for interface peeling defects of a steel shell inner wall and concrete, which comprises a detection device, and the detection device comprises a signal generator, a signal amplifier, a plurality of piezoelectric material sheet assemblies, a signal acquisition assembly and a data analysis processor which are electrically connected in sequence; the plurality of piezoelectric material sheet assemblies are attached to the outer wall of the steel shell at intervals to form an electromechanical coupling system. The piezoelectric material sheet is arranged on the outer wall of the steel shell of the steel shell concrete component as a driver and a sensor at the same time, the electromechanical coupling impedance spectrum of the piezoelectric material is measured in a self-generating and self-receiving mode, the abnormal value of the electromechanical coupling impedance spectrum is analyzed, the RMSD of the electromechanical coupling impedance spectrum of the measuring point and the reference measuring point is calculated, the sensor position corresponding to the abnormal signal is screened out, and thus the accurate positioning and range estimation of the interface peeling defects are realized.

The utility model discloses a real-time positioning system for implanting a catheter in a potential guiding sheath. The real-time positioning system comprises a positioning electrode plate, a potential guiding instrument and a guide wire body, the positioning electrode plate comprises an adhesive tape adhered to the body of a patient and a plurality of electrode plates arranged on the adhesive tape; the potential guiding instrument comprises a shell, positive and negative electrodes, a current change display and a voltage and current regulator are arranged on the shell, and a current signal receiver and a signal amplifier are arranged in the shell; the guide wire body comprises an insulating sleeve and a metal guide wire arranged in the insulating sleeve, the front end and the rear end of the insulating sleeve are closed, and a plurality of through holes are formed in the side wall; the head end of the metal guide wire is exposed, and the other part is wrapped by the insulating layer. The positioning electrode plate and the wire guide body are respectively connected with positive and negative electrodes to form a closed loop. The intrathecal infusion system solves the problems that in the implantation operation process of the intrathecal infusion system, the position of the catheter needs to be adjusted in a perspective mode repeatedly, real-time monitoring cannot be achieved, and the developing quality is not high, operation precision and efficiency are improved, and the X-ray exposure amount of a patient is reduced.

The invention relates to the technical field of HDMI (High Definition Multimedia Interface) transmission, and provides an HDMI one-way transmission security enhancement method and device, and the method comprises the steps: determining the version, interface type and pin serial number and definition of an HDMI used in an application scene, and identifying whether an HDMI transmission channel is a one-way channel or a two-way channel; for a bidirectional channel which is not needed in an application scene, one-way transmission security enhancement is realized by adopting a physical cutting mode; for a bidirectional channel required by an application scene, one-way transmission security enhancement is realized by adopting a physical cutting-off and receiving end simulation substitution mode; for a one-way channel, a signal amplifier is adopted to realize one-way transmission security enhancement. According to the invention, unidirectional transmission security enhancement can be carried out on the HDMI native interface, so that the HDMI native interface has a pure unidirectional transmission characteristic, security risks such as sensitive data leakage of a receiving end are blocked, and the unidirectional transmission security of the HDMI is improved. Moreover, the system is improved based on a native interface, and has the advantages of low power consumption, small size, low cost and the like.

In a radio wave emitting device of the present disclosure, the controller switches an operation of the device from a normal operation to a protection operation when, during execution of the normal operation, protection is necessary for at least one of signal amplifiers based on one or both of temperature measurement values and reflected-wave power measurement values. The normal operation includes setting an electric power target value for a radio wave to a normal target value for radio wave emitters. The protection operation includes setting the electric power target value for the radio wave to a protection target value for radio wave emitters. For one or both of a protection target radio wave emitter and a radio wave emitter other than the protection target radio wave emitter, the protection target value is lower than the normal target value. The protection target value is set so that a power consumption distribution in a cavity when executing the protection operation is closer to that when executing the normal operation than that when only the electric power target value of the protection target radio wave emitter is set to the protection target value.

The utility model relates to a comprehensive monitoring system for a pump station. The comprehensive monitoring system comprises a rectifier transformer, a first power management module, a second power management module, a water pressure sensor, a first voltage comparator, a signal amplifier and an electric control switch module, a water pressure sensor is used for collecting water pressure of a community water supply pipe to output water pressure detection voltage; when the water pressure of the community water supply pipe is higher than the preset water pressure value, the water pressure detection voltage is higher than the first reference voltage, and the first voltage comparator outputs low-level voltage; when the electric control switch module is cut off, the pump station motor is powered off and stops working; when the water pressure of the community water supply pipe is lower than or equal to a preset water pressure value and the water pressure detection voltage is lower than first reference voltage, the first voltage comparator outputs high-level voltage; the electric control switch module is switched on, the pump station motor is powered on to start working, the water pressure of the community water supply pipe is improved under operation of the pump station motor, and therefore the working state of the pump station is automatically controlled according to the water pressure of community water supply, and energy waste of the pump station is reduced.

An optical signal amplifier using a praseodymium doped fiber is described. The optical signal amplifier includes a signal laser, a first optical isolator, a second optical isolator a pump laser, a wave division multiplexer, a silica based glass optical fiber, a second optical isolator, an optical power meter, and an optical spectrum analyzer (OSA). The signal laser generates a signal laser beam. The pump laser generates a pumped laser beam. The wave division multiplexer combines the signal laser beam and the pumped laser beam and generates a combined laser beam. The silica based glass optical fiber has a preferred concentration of praseodymium ions of about 50×1024 ions / m3 and a length of about 5.7 m. The silica based glass optical fiber receives the combined laser beam, amplifies photons in the combined laser beam, and generates an amplified laser beam.

Provided is a micromechanical electrical signal amplifier, which can be applied to the field of microelectronics. The structure of the amplifier comprises: an electro-mechanical conversion structure for generating an electrostatic driving displacement; a mechanical resonance structure for generating an amplified electrical signal in response to the amplified electrostatic driving displacement; and a mechanical-electric conversion structure for outputting the amplified electrical signal, wherein the mechanical resonance structure comprises a first surface and a second surface arranged oppositely; the electro-mechanical conversion structure is connected to the first surface of the mechanical resonance structure; and the mechanical-electric conversion structure is connected to the second surface of the mechanical resonance structure. The elastic beam group in the mechanical resonance structure adopts a piezoresistive material, and the self-amplification effect of the mechanical resonance structure is used to amplify the electrostatic force response displacement and further amplify the electrical signal.

The application provides a high-sensitivity optical fiber sensor and a distributed vibration detection system, and relates to the technical field of optical fiber sensors.The high-sensitivity optical fiber sensor comprises a sensor and a transparent plastic pipe, the right side of the sensor is fixedly connected with an optical fiber one, the outer wall of the upper part of the transparent plastic pipe is provided with a threaded wall, the threaded wall is threadedly connected with a hollow transparent pipe, and the outer wall of the upper part of the hollow transparent pipe is fixedly connected with four sliding rod groups at equal intervals.A hollow sliding ring is rotated, a pressing type infusion air bag is used to paste and fix colloid coating, the elastic potential energy of springs one and two is used to drive the hollow rod and the pressing rod to be extruded and fixed, the bending between optical fibers is avoided, the influence on the sensitivity of the sensor is avoided, different modules are matched, distributed vibration signals are detected, and then a signal amplifier and a signal analyzer are matched, so that the sensitivity of the sensor is improved, and the use requirement is better met.

The invention relates to the technical field of oil-gas exploration logging, provides a logging work data real-time transmission system and method based on an embedded structure, and aims to solve the problems that in the prior art, data transmission is insufficient in real-time performance, a logging system is difficult to troubleshoot, and the data transmission efficiency is low. And the technical problem that the ground decoding board only supports cable communication of a single modulation mode is solved. Comprising a downhole instrument used for collecting original logging electric signals; the mode transformer is used for performing impedance matching processing on the original logging electric signal to obtain a preprocessed logging signal; the amplifier module is used for performing method processing on the preprocessed logging signal to obtain an amplified logging signal; the A / D conversion module is used for converting the amplified logging signal into a digital signal from an analog signal to obtain a digital logging signal; the modulation-demodulation module is used for decoding the digital logging signal to obtain a decoded logging signal; and the network communication module is used for uploading the decoded logging signal to logging acquisition software of an upper computer in real time.

The invention discloses a flow control valve, and aims to provide a hydraulic diaphragm pump electric proportional flow regulation device which can carry out proportional regulation on the flow in a pump body according to the outlet flow of the pump, is high in automation degree and can automatically detect the working state of the pump body, and a control method of the hydraulic diaphragm pump electric proportional flow regulation device. According to the technical scheme, accurate control metering is conducted on the hydraulic end of the hydraulic diaphragm metering pump through a central control system, a signal amplifier, a flow detection device and a flow adjusting device, and the flow adjusting device is arranged to be a proportion electromagnet and a one-way valve connected with the proportion electromagnet. The flow adjusting device can convert a flow electric signal in the pump body into the displacement action of the valve element, so that the size of a liquid outlet of the one-way valve is dynamically adjusted, accurate-proportion flow output is achieved, and the flow adjusting device is suitable for the technical field of hydraulic pump control.

The utility model discloses a series power supply formula low -power consumption television receiving antenna signal amplifier circuit, including UHF signal input terminal anti -static and strong pulse circuit (1), UHF channel filter circuit (2), first -stage UHF channel amplification unit (3), second -stage UHF channel amplification unit (4). Further including amplifier UHF and VHF channel hybrid output circuit (11), VHF signal input terminal anti -static and strong pulse circuit (8), VHF channel filter circuit (9), power supply input rectifier filter circuit (6), voltage stabilizing and decoupling circuit (5), decoupling voltage division's front -stage series power supply circuit (7) and VHF amplification unit (10). Or including RF signal input channel filter circuit (13), first -stage RF channel amplification unit (14), second -stage RF amplification unit (15) and decoupling voltage division's front -stage series power supply circuit (7). The utility model discloses through series power supply mode, make the total current of amplifier equal the current of second -stage amplification unit, relative parallel type circuit saves nearly 50% power consumption, reduces the requirement to transformer power, thereby reduces the cost.

This invention discloses a communication networking system and control method for an automated parking garage, specifically relating to the field of communication networking technology. It includes a service terminal for terminal control, multiple local area network (LAN) nodes connected to the service terminal via a wireless network, and a drive terminal module for controlling actuators within the automated parking garage. The number of LAN nodes is the same as the number of levels in the automated parking garage. Each LAN node is connected to a signal transmitting antenna, which is equipped with a signal amplifier to amplify the transmitted signal. The signal transmitting antenna is also connected to a dynamic controller. This invention ensures that the signal strength at the location of the actuators within the automated parking garage does not significantly drop when they move in different directions. It improves the anti-interference capability of the wireless networking method and solves the problem of limited transmission distance, guaranteeing signal strength stability and communication quality.

The utility model discloses a robot automatic charging station with voice prompt, and relates to the technical field of robot charging stations, the robot automatic charging station comprises a machine base assembly, the outer side of the top end of the machine base assembly is covered with a machine cover assembly, the machine base assembly comprises a base, and the two ends of the top of the base are provided with electrode grooves. The interior of the electrode groove is slidably connected with a charging assembly, the top of one end of the base is fixedly provided with an electric plate cavity, the interior of the electric plate cavity is fixedly provided with a control circuit, and one side of the bottom of the control circuit is fixedly provided with four infrared emitting diodes. Signal amplifiers are fixedly installed on the outer sides of the infrared emitting diodes arranged at the two ends of the control circuit, the machine cover assembly comprises a cover body, and the cover body is fixedly connected with the machine base assembly; according to the utility model, the angle and the range of signal emission can be expanded, the sweeping robot can conveniently capture infrared signals for positioning and navigation, the stability of positioning and navigation is improved, and the practical value is higher.

A device for radiolocation of objects in space (100), comprising: a frequency-modulated continuous-wave FMCW generator (101), a transmitting-receiving antenna (102) connected to the generator (101), a non-linear quadripole (103A) squaring the input signal, connected at its input to the generator (101) and to the antenna (102), and at its output to a filter (104A, 104B).A ground penetrating radar system (200) adapted to detect wave-reflecting objects (301) located in the vicinity of a wave-propagating medium (300), comprising: the device for radiolocation of objects in space (100), an echo signal amplifier (201), an analogue-to-digital echo signal converter (202) and a processing and visualisation circuit (203).

The utility model relates to the field of spread spectrum signal amplification devices, in particular to a heat dissipation shell structure and a spread spectrum signal amplifier, the heat dissipation shell structure comprises a protective shell and an insertion piece radiator, and the heat conduction face of the insertion piece radiator is in contact with the heating position of a circuit board through a heat dissipation paster. Heat can be led out to the outside through the insert radiator on the protective shell, so that the temperature of the circuit board and the interior of the shell can be effectively reduced. And the middle radiator is arranged outside the protection shell, so that the heat dissipation area is larger, heat conduction can be carried out among the multiple insertion piece radiators, heat can circulate mutually, and the heat dissipation effect is improved. According to the utility model, a passive heat dissipation structure in the prior art is optimized to a certain extent, and the equipment can be kept in a stable working state only through a passive heat dissipation mode within a certain heat generation amount range.

This utility model discloses a motor overcurrent protection device, which includes an overcurrent resistor, an amplifier, a comparator, a logic gate, and a switch. The overcurrent resistor is electrically connected to a control circuit of a motor to obtain a voltage divider signal from the control circuit. The amplifier is electrically connected to the overcurrent resistor and is used to amplify the voltage divider signal. The comparator is electrically connected to the amplifier and the control circuit and is used to compare the amplified voltage divider signal with a signal threshold stored in the control circuit to output a comparison result signal. The logic gate is electrically connected to the comparator and is used to receive the comparison result signal to output a drive signal. The switch is electrically connected to the logic gate and is used to receive the drive signal to cut off the power supply to the motor.

The application belongs to the technical field of signal amplifiers, and particularly relates to a signal amplification adapter for power grid upgrading and reconstruction, which comprises a power module, a filtering module, an input adjusting module, a three-phase and zero sequence operational amplifier module, a phase detection and correction module and an output protection module. The input adjusting module comprises a filtering unit, which is connected with A-phase output, B-phase output, C-phase output and zero sequence signal respectively for filtering out high harmonic interference. The phase detection and correction module comprises a phase detection unit and a phase correction unit. The input of the phase detection unit is connected with the output of the three-phase and zero sequence operational amplifier module for detecting phase difference. The input of the phase correction unit is connected with the output of the phase detection unit for correcting phase difference. Through use of the application, matching work of electronic voltage sensors and electromagnetic electric meters under voltage characteristics in Southeast Asia can be realized.

1. Name of the product in this design: Quantum Computing Measurement and Control Signal Amplifier Device. 2. Purpose of this design: To amplify the X and Y signals in quantum computing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

An electronic device includes a microprocessor, a memory coupled to the microprocessor, and a communications port including an antenna. The communications port is in electrical communication with the microprocessor for sending and receiving signals. An amplifier amplifies signals received by the antenna. A first transorber and a second transorber referenced to one another monitor an amount of gain such that when a gain signal goes beyond a threshold value, the other of the first transorber and the second transorber, shorts the incoming signal to ground until the amount of gain is equal to or less than the threshold value.

The utility model provides a state detection device for a power distribution cabinet, and belongs to the technical field of electrical engineering. According to the structure, a high-frequency current transformer, an ultrasonic sensor, an ultrahigh-frequency sensor and a signal amplifier are arranged on a main PCB, the ultrasonic sensor is electrically connected with the high-frequency current transformer and the ultrahigh-frequency sensor in sequence, the ultrahigh-frequency sensor is electrically connected with the signal amplifier, a main inserting rod and a main mounting plate are arranged on the main PCB, and the signal amplifier is electrically connected with the main inserting rod. The main insertion rod is in insertion connection with the machine body, the main installation plate is fixedly connected with the machine body, the data exchange module comprises an auxiliary PCB, the auxiliary PCB is provided with a wifi module, a controller, a data line interface and a memory card slot, and the wifi module, the data line interface and the memory card slot are electrically connected with the controller. The power distribution cabinet partial discharge signal acquisition device has stronger acquisition capability for partial discharge signals of a power distribution cabinet, can be interconnected and intercommunicated with a remote control end in real time, and is compact in structure and stable and reliable in operation.

The invention provides an application of a CRISPR (clustered regularly interspaced short palindromic repeats) / Cas12a (CRISPR / Cas12a)-nano enzyme bimodal aptamer sensing method in the detection of KIM-1. An aptamer used in the method is an oligonucleotide aptamer combined with KIM-1 with high specificity and high affinity, and is used as a target recognition element and an activation switch of a CRISPR system; a CRISPR / Cas12a system is adopted as a signal amplifier, and the activity of the CRISPR / Cas12a system is controlled by a binding event of the aptamer and a target; a FeNi MOF (at) AgNPs-MBs report substrate is used as a cut unit and a bimodal signal source, and a cut product of the report substrate is used for generating measurable fluorescence and colorimetric signals. The method provided by the invention is high in detection sensitivity and good in accuracy, the detection time is shortened to be within 2 hours from 4 hours required by ELISA, and the analysis efficiency is remarkably improved.

The invention relates to the technical field of clamps, and discloses a clamp for precision die forging, which comprises a support frame, the top of the support frame is provided with a placing groove I, the outer wall of the support frame is provided with a controller, the inner wall of the placing groove I is provided with a moving assembly, and the top of the moving assembly is provided with a bottom plate. A placing frame is installed at the top of the bottom plate, and a clamping assembly is arranged at the top of the placing frame. When a mold is clamped, the mold is placed on the top of a supporting block through a worker, then a controller is operated to send a signal to a third motor, a power output shaft rotates after the third motor receives the signal, the third motor drives a rotating block to rotate, and through an arc-shaped groove formed in the top of the rotating block, the mold is clamped through the arc-shaped groove. And when the clamping force is always large, the signal amplifier sends a signal to the alarm, so that the alarm gives an alarm after receiving the signal, and the clamping pressure is adjusted.

1. Name of the product in this design: Tension Signal Amplifier (PD610). 2. Purpose of this design: For enhancing tension signals. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a signal amplifier and a radar chip, and the signal amplifier comprises a programmable gain amplifier and a voltage stabilizing circuit. The alternating current input coil voltage stabilizing circuit is connected with a direct current path of the alternating current input coil programmable gain amplifier so as to supply power to the alternating current input coil programmable gain amplifier; the alternating current input coil programmable gain amplifier comprises a pre-stage amplification circuit and a post-stage amplification circuit; the alternating-current input coil pre-stage amplification circuit and the alternating-current input coil post-stage amplification circuit are coupled to form an alternating-current path, and a direct-current path of the alternating-current input coil pre-stage amplification circuit is connected with a direct-current path of the alternating-current input coil post-stage amplification circuit through a coil tap. The signal amplifier provided by the invention aims to form a programmable gain amplifier with both efficiency and power gain.

The application discloses a kind of electronic detonator sealing test tubes under the condition of temperature and pressure coupling and sealing performance detection test method, its method includes the following steps: a certain amount of chemical reagent is loaded in empty tube shell, to ensure that the gas production after thermal decomposition reaches target pressure by internal pressure;Power positive line, negative line and signal line are welded on PCB board, then loaded into empty tube shell, injection plug card is blocked to empty tube shell, to obtain test tube;Power positive line and negative line are connected with power supply, and signal line and negative line are connected with signal amplifier and oscilloscope;Test tube is placed in high-low temperature chamber, heated to decomposition temperature, observe the internal pressure change of test tube, keep high temperature until target pressure is reached;Lower to preset low temperature, record pressure change curve and analyze.The application considers the influence of environmental temperature change on the sealing performance of electronic detonator, realizes real-time quantitative analysis of sealing performance, effectively improves the test efficiency of electronic detonator sealing performance detection.

1. The name of the design product: adapter box. 2. The use of the design product: adapter box for connecting with signal amplifier. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.