22 results about "Front end electronics" patented technology

A system and method of the device may include at least one gas sensor mounted in proximity to a battery. In addition, the device may include a front-end electronic (FEE) configured to continuously acquire signals from the at least one gas sensor and convert the acquired signals into corresponding gas measurements. The device may include a processor coupled by a memory module configured to determine battery health indications based, in part, on the gas measurements compared to a combination of thresholds, where the battery health indications and the combination of thresholds are retained in the memory module.

The invention discloses a power supply protection method and device for a server, and the method comprises the steps: obtaining CPU model information through a hardware interface by a substrate management controller when the server is powered on; calling a corresponding voltage regulation code from a BMC flash memory according to the CPU model information; burning the voltage regulation code to a voltage regulator of the main power of the CPU, and dynamically setting a first overcurrent protection point; server memory information is determined, and the memory information and the CPU model information are transmitted to the CPLD; the CPLD dynamically sets a second overcurrent protection point of the front-end electronic fuse according to the memory information and the CPU model information; and performing power supply protection on the server based on the dual protection points. Intelligent power supply protection for adaptively adjusting the overcurrent protection threshold according to actual hardware configuration is realized, the problem that a traditional fixed protection point cannot respond to abnormal current such as weak short circuit in time in a medium and low configuration scene is effectively solved, and the power supply reliability of a server and the hardware safety are remarkably improved.

A front-end electronic circuit (10) for electromagnetic radiation sensor applications comprises a signal shaper circuit (1000) with an amplifier circuit (1100) and an active dynamic feedback circuit (1200) arranged in a feedback path (1001) of the signal shaper circuit (1000). The active dynamic feedback circuit (1200) comprises a first input transistor (100) arranged in a first current path (1201) of the active dynamic feedback circuit and a second input transistor (200) arranged in a second current path (1202) of the active dynamic feedback circuit (1200). The first input transistor (100) has a control node receiving an output signal (Vout_shaper) of the signal shaper circuit (1000) and the second input transistor (200) has a control node receiving a reference signal (Vref). The active dynamic feedback circuit (1200) comprises a buffer circuit (300) arranged for decoupling the first and second current paths (1201, 1202).

This utility model discloses a flexible electronic spinal endoscope, including an endoscope hose, a rigid protective tube, and an electronic camera. The rigid protective tube is located at the front end of the endoscope hose, and the electronic camera is located inside the rigid protective tube. The inside of the rigid protective tube is filled with medical adhesive, and the rigid protective tube and the electronic camera are fixed together by the medical adhesive. A raised anti-rotation limiting part is provided on one side of the outer wall of the rigid protective tube. The anti-rotation limiting part is located on the outer wall of the rigid protective tube and can be used to cooperate with external auxiliary instruments to prevent the rigid protective tube from rotating, thereby preventing the electronic camera from rotating and helping to avoid unnecessary changes in the field of view of the electronic camera.

The invention belongs to the technical field of semiconductor radiation detector front-end electronics. The invention provides a multi-channel analog front-end integrated circuit based on LDO derating power supply. According to the circuit disclosed by the embodiment of the invention, a special LDO (Low Dropout Regulator) is integrated in each independent channel, and the LDO directly supplies power to all analog front-end circuits in the channel; the key performance of the analog front-end circuit and the global bias circuit outside the channel is kept unchanged when the analog front-end circuit and the global bias circuit work under the slightly derated power supply voltage. By utilizing the characteristic that the LDO maintains the stability of the output voltage in a wide input voltage range, the power supply consistency of the multi-channel circuit is remarkably improved. In addition, independent LDO enabling control is integrated in the channels, independent power-on and power-off of the single channel can be controlled, and system-level power consumption management can be achieved conveniently. The channel consistency of the multi-channel analog front-end circuit is greatly improved, and an effective solution is provided for the power supply problem of a multi-channel analog front-end electronic system.

A front-end electronic circuitry for an electromagnetic radiation sensor application comprises a charge sensitive amplifier stage with a first single-input operational transconductance amplifier, and a transistor being arranged in a first feedback path of the first single-input operational transconductance amplifier, and a signal shaper stage with a second single-input operational transconductance amplifier, and an active feedback circuit being arranged in a second feedback path of the second single-input operational transconductance amplifier. The front-end electronic circuitry further comprises a control circuit having a second transistor. The control circuit is configured to provide a control signal to control the transistor of the first feedback path in dependence on a gate-source voltage of the second transistor.

The present invention provides a system for testing the comprehensive performance of microstructured neutron detectors. The system comprises a neutron moderator, the front side of which is equipped with a mixed radioactive source and a switchable gamma shield. A standard neutron detector, a silicon-based microstructured neutron detector, and a standard gamma detector are housed within the neutron moderator, wherein the silicon-based microstructured neutron detector is placed in a constant temperature chamber. Each of the standard neutron detector, silicon-based microstructured neutron detector, and standard gamma detector is connected to a front-end electronic device, each of which is connected to a multi-channel counter. The present invention conducts radiation performance testing on a developed silicon-based microstructured neutron detector chip prototype system, including thermal neutron detection efficiency, n / gamma discrimination ratio, applicable temperature range, and count rate, thereby filling a gap in the testing of three-dimensional silicon-based neutron detectors.

The invention provides a code generation method and device and a code generation system deployment method and device. The code generation system comprises a local front-end electronic device and a local rear-end electronic device which are in communication connection, the local rear-end electronic device comprises a trained natural language processing model, and the code generation method comprises the steps that the local front-end electronic device extracts a code from a user interface of the local front-end electronic device to generate prompt words; the local front-end electronic equipment sends prompt words generated by the codes to local rear-end electronic equipment; and generating, by a trained natural language processing model in the local back-end electronic device, the code based on the code generation cue.

The application provides a seismic monitoring system and method based on capacitive sensing and electrostatic driving technology, which comprises a base, an adjusting platform, a front-end electronic system, a protective shell, a sensitive device and an upper computer; the base is fixed on the ground; the protective shell is fixed on the base and covers the base; the adjusting platform is arranged on the upper part of the base; the sensitive device is arranged on the upper part of the adjusting platform and comprises a test mass and an electrode cage; the test mass is fixed on the protective shell through a metal filament, and the metal filament is connected with the front-end electronic system; the electrode cage is fixed on the adjusting platform and is internally provided with electrodes; the front-end electronic system is installed on the side wall of the protective shell, is connected with the upper computer through an upper computer interface and communicates with the upper computer, is connected with an external power supply through a power supply interface, and is connected with the electrodes and the metal filament through a circuit interface. Through high-precision and high-sensitivity position detection and real-time electrostatic driving control, the application realizes real-time measurement of ground vibration information.

A front-end electronic circuitry for a photon counting application includes a charge sensitive amplifier including an amplifier circuit and a capacitor being arranged in a feedback path between the input side and the output side of the amplifier circuit. A controllable switch is arranged in parallel to the capacitor. The circuitry includes a delay circuit to provide a delay circuit output signal being a time-delayed representation of the charge sensitive amplifier output signal. An output signal generation circuit is configured to generate the output signal by subtracting the delay circuit output signal from the charge sensitive amplifier output signal.

The invention discloses a fast-time photomultiplier and an assembly method thereof, and is characterized in that an anode array is arranged on the vacuum side of a ceramic plate at the front end of an FPMT, a welding pin array and a plurality of high-pressure welding pins are arranged on the other side of the ceramic plate, each welding pin is electrically connected with an anode, and each high-pressure welding pin is electrically connected with a micro-channel plate in the front end of the FPMT; the through-wall substrate is provided with a via hole array, a plurality of high-pressure welding pin via holes and a plurality of notches. The via hole substrate is provided with a plurality of high-pressure welding pin via holes and a plurality of first metalized via holes. A metal counter bore array is arranged on one side of the via hole substrate, and a first metal printed circuit is arranged on the other side of the via hole substrate; a micro spring structure array and a plurality of high-pressure welding pin via holes are embedded in the adapter plate; the front-end electronics board is provided with a plurality of high-pressure welding needle notches and a plurality of second metalized via holes; and each high-voltage welding pin sequentially penetrates through the wall-penetrating substrate, the via hole substrate, a high-voltage welding pin via hole in the adapter plate and a high-voltage welding pin notch in the front-end electronics plate to be electrically connected with an external high-voltage power supply.

A front-end electronic circuitry for an electromagnetic radiation sensor application includes a signal shaper circuit with an amplifier circuit and an active dynamic feedback circuit, the active dynamic feedback circuit being arranged in a feedback path of the signal shaper circuit. The active dynamic feedback circuit includes a first input transistor being arranged in a first current path of the active dynamic feedback circuit, and a second input transistor being arranged in a second current path of the active dynamic feedback circuit. The first input transistor has a control node to receive an output signal of the signal shaper circuit, and the second input transistor has a control node to receive a reference signal. The active dynamic feedback circuit includes a buffer circuit being arranged to decouple the first and second current path.

The application belongs to the field of nuclear radiation detection system, and provides a portable neutron gamma detection system based on NaIL crystal, which comprises a detection device, a tablet computer, a support, and a handle, the support and the handle are installed on the detection device through a plurality of groups of fastening bolts and spring washers, the tablet computer is fixed on the support through buckles, and the detection device comprises a shell, a polyethylene moderator, a NaIL crystal, a photomultiplier tube, a front-end electronic part, a rear-end electronic part, and a wireless communication antenna. The application has simple structure, is easy to hold and use or carry in a backpack, only uses one detection element, greatly simplifies the structure of the detection device, only needs to consider the processing of one-way signal for the front-end electronic part and the rear-end electronic part, significantly reduces the equipment cost and design difficulty, and significantly improves the reliability.

The present invention discloses a multi-modal anti-disturbance underwater surveillance robot, which includes a robot main body, and two vertical thrusters, two horizontal thrusters, two bionic wings, a control cabin and an electronic cabin arranged on the robot main body; the robot body is composed of a bottom plate, an upper cover plate and side plates; the two bionic wings are installed on the left and right side plates of the robot main body, and thrusters are mounted on the bionic wings; the control cabin is arranged at the front end of the robot main body, and the electronic cabin is arranged at the rear end of the robot main body. A plurality of environmental perception sensors are arranged in the control cabin and the electronic cabin, and the mutual transmission of sensor information, control signals and energy is realized between the electronic cabin and the control cabin through signal transmission lines; the control cabin is used to control the vertical thrusters, horizontal thrusters and mounted thrusters to realize the diving, floating, turning and horizontal movement of the robot underwater. The present invention has the capabilities of active and passive anti-disturbance, and has multiple surveillance operation modes underwater to adapt to different operation environments.

The application relates to a signal adapter plate and a connecting method thereof, which comprises an adapter plate body and a plurality of coaxial cable connecting pads, a plurality of connector connecting pads and a plurality of connectors arranged on the adapter plate body; the adapter plate body adopts a multilayer plate structure composed of a plurality of signal connecting layers; each coaxial cable connecting pad is connected with a corresponding signal connecting layer in a preset order, is used for welding coaxial cables of Dy8 signals and Dy5 signals led by all PMTs on one side of a plastic scintillator array detector of a dark matter particle detection satellite, and makes Dy8 signals and Dy5 signals led by each PMT distributed on different signal connecting layers; one end of each connector is welded on each connector connecting pad and is connected with each signal connecting layer through the connector connecting pad; and the other end of each connector is connected with each corresponding ASIC chip in a front-end electronic circuit board. The application can be widely applied in the field of satellite detectors.

A system and method of the device may include at least one gas sensor mounted in proximity to a battery In addition, the device may include a front-end electronic (FEE) configured to continuously acquire signals from the at least one gas sensor and convert the acquired signals into corresponding gas measurements. The device may include a processor coupled by a memory module configured to determine battery health indications based, in part, on the gas measurements compared to a combination of thresholds, where the battery health indications and the combination of thresholds are retained in the memory module.

The invention discloses a Compton imaging system suitable for gamma ray detection in a complex radiation field, and solves the problem that an existing Compton camera cannot reconstruct an image or an imaging result is affected in a complex radiation environment, and the Compton imaging system specifically comprises a front-end detection unit, a front-end electronics control unit and a rear-end data processing and control unit, the front-end detection unit comprises a shielding shell, and a scattering layer array detection module and an absorption layer array detection module which are arranged in the shielding shell in parallel; the front-end electronics control unit comprises a signal processing module, a communication module and a control module; the signal processing module is respectively connected with the scattering layer array detection module and the absorption layer array detection module; the signal processing module is connected with the signal processing module and the rear-end data processing and control unit through the communication module; the control module is connected with the communication module. The imaging system provided by the invention can reduce the interference of gamma camera shooting outside the target view field on the front-end detection unit, and improves the imaging quality.

The application belongs to the technical field of reactor physics test and measurement, and particularly relates to a neutron flux detector and a neutron flux detection device for a zero-power reactor. The neutron flux detector comprises a CLYC scintillator, a reflection layer, a photoelectric conversion multiplier device and front-end electronics. The photoelectric conversion multiplier device is attached to one side of the scintillator, the reflection layer is attached to the remaining side of the CLYC scintillator, and the photoelectric conversion multiplier device is electrically connected to the front-end electronics. The detection device comprises a neutron flux detector, a multi-channel data acquisition system, a connector and a lifting device. The application realizes efficient online measurement of neutron flux in a zero-power reactor environment, overcomes the limitations of traditional methods relying on offline measurement, and based on the miniaturized design of the CLYC crystal and the tungsten alloy shielding structure, the detector has excellent thermal neutron response capability and is suitable for the complex high-gamma background environment of the reactor.

The utility model discloses a kind of SiPM detection array module of front end height integration, it is characterized in that, including circuit board, SiPM array, front end electronics system, connector and connecting pipe;Front end electronics system includes ASIC chip and supporting electronic component;Circuit board upper and lower surface is equipped with multiple soldering pads, for connecting SiPM array, ASIC chip, supporting electronic component and connector;Circuit board contains several layers of circuit structure, and the circuit structure of different layers is interconnected by metallization via;Connector is powered for SiPM array, front end electronics system by circuit structure, metallization via, and interconnect with rear end electronics system;Circuit board is embedded microchannel, and the import and export of microchannel are connected with a connecting pipe respectively, for input-output circulating cooling medium, heat is transferred to outside environment.The present application can improve the detection performance and reliability of detector, and reduce the volume and mass of equipment.

The invention discloses a data processing method and device for a front-end electronics module, and the method comprises the steps: collecting waveform data from a detector according to channels, merging the data of eight adjacent channels into one group, and storing the data into a first-stage FIFO memory; the collected data are compressed, compression processing is carried out in a segmented mode according to the characteristics of the pulse signals, and the compressed data of the adjacent 64 channels are loaded into a second-stage FIFO storage; the DDR is divided into 16 pieces of independent caches, and partition cache management is carried out; dynamically transferring data among different cache regions according to the storage conditions of the 16 cache regions of the DDR; transferring data among the plurality of front-end electronics modules through a GT port according to storage conditions among different front-end electronics modules; and uploading the data to a rear-end data acquisition system through the high-speed link. According to the method, through segmented compression, layered caching, intra-module equalization and inter-module equalization, the waveform data rate is reduced, and the transmission pressure is reduced.

The application discloses a data processing method and device for a front-end electronics module, which comprises the following steps: collecting waveform data from a detector according to channels, merging data of 8 adjacent channels into a group, and storing the group into a first-level FIFO memory; compressing the collected data, compressing the data according to the characteristics of pulse signals, and storing compressed data of 64 adjacent channels into a second-level FIFO memory; dividing a DDR into 16 independent caches, and performing partition cache management; dynamically transferring data between different cache regions according to the storage conditions of the 16 cache regions of the DDR; transferring data between multiple front-end electronics modules through a GT port according to the storage conditions of the multiple front-end electronics modules; and uploading data to a back-end data acquisition system through a high-speed link. The method reduces the waveform data rate and reduces the transmission pressure through segmented compression, layered caching, intra-module balancing and inter-module balancing.

The invention provides an earthquake monitoring system and an earthquake monitoring method based on capacitance sensing and electrostatic driving technologies. The earthquake monitoring system comprises a base, an adjusting platform, a front-end electronics system, a protective shell, a sensitive device and an upper computer, the base is fixed on the ground; the protective shell is fixed on the base and covers the base; the adjusting platform is arranged on the base; the sensitive device is arranged at the upper part of the adjusting platform and comprises a test mass and an electrode cage; the test mass is fixed on the protective shell through a metal filament, and the metal filament is connected with the front-end electronics system; the electrode cage is fixed on the adjusting platform and an electrode is arranged on the inner side; and the front-end electronics system is arranged on the side wall of the protective shell, is connected and communicated with an upper computer through the upper computer interface, is connected with an external power supply through the power supply interface, and is connected with the electrode and the metal filament through the circuit interface. According to the invention, through high-precision and high-sensitivity position detection and real-time electrostatic driving control, real-time measurement of ground vibration information is realized.