263 results about "Switch matrix" patented technology

The invention relates to the technical field of ink-jet printing, and discloses a nozzle driving method, system and device and a storage medium, and the method comprises the steps: generating a digital waveform signal based on a printing demand, and converting the digital waveform signal into an analog voltage waveform through a digital-to-analog conversion module; performing waveform configuration on the analog voltage waveform through an analog switch matrix to generate a target analog waveform; controlling a high-voltage amplification circuit to boost and amplify the target analog waveform to output an initial driving level; driving a nozzle to jet ink droplets based on the initial driving level, and collecting ink droplet state parameters by using an ink droplet monitoring module; comparing the ink droplet state parameters with a preset target value to obtain a comparison result, and generating an adjustment parameter set according to the comparison result; optimizing the initial driving level generation process based on the adjustment parameter set to obtain an optimized driving level; according to the invention, through a closed-loop control process, the problem of poor driving signal adaptability caused by existing open-loop control is effectively solved.

A reconfigurable, for example with time, network switch matrix coupling switch charge circuits representing multiply and add circuits (MACs) and neurons (MACs with activations) capable of accepting and outputting proportional to charge pulses through crossbars within said network, said crossbars controlled by local controllers and higher level controllers to setup said crossbar communications.

The invention discloses a dynamic self-adaptive precision switching method for a voice recognition NPU, and aims to solve the core problems that precision and energy efficiency of an end-side voice recognition NPU in multiple scenes cannot be considered at the same time, fixed-precision hardware resources are seriously wasted, software switching efficiency is low, and errors are accumulated. A hardware architecture of a 4 * 4 reconfigurable MAC subunit array and a switch matrix is constructed, and a task-driven adaptive scheduling mechanism, an operation period synchronous control technology (single-period hardware reconfiguration is realized by utilizing idle gap latch configuration) and a direction-sensitive error compensation algorithm (historical data interpolation extension or correction truncation) are combined; hardware-level dynamic lossless switching of the MAC unit between 8bit / 16bit / 32bit precision is realized, so that different voice tasks achieve the highest necessary computing power with the lowest necessary power consumption, no data is lost in the switching process, and finally, the energy efficiency rigidity of a fixed-precision framework is oppositely converted into the precision on-demand supply capability capable of being deployed in an engineering manner.

Systems and Methods for capacitance testing of a unit under test with parasitic capacitance directed to a guard rail. The system includes test points, wherein the plurality of test points are divided into at least two groups; a stimulus source; a first group guard relay electrically connected to each of the test points in a first; a second group guard relay electrically connected to each of the test points in a second; a guard rail coupled to the first group guard relay and the second group guard relay; a first group return relay electrically connected to each of the test points in a first group; a second group return relay electrically connected to each of the test points in a second group; a current measurement rail coupled to the first group return relay and the second group return relay; a current meter coupled to the measurement rail; and a controller.

The invention discloses a multi-frequency-point multi-polarization parallel sampling phased-array antenna automatic calibration platform, and relates to the technical field of antennas, and the platform comprises a control center which is used for parameter modeling and test task configuration, parallel sampling strategy generation, and data storage and tracing; the FPGA hardware controller is used for generating synchronous trigger pulses and synchronously triggering the radio frequency switch matrix, the multi-path signal source, the six-axis mechanical arm, the multi-probe array module, the double-axis rotary table and the vector network analyzer VNA array; the radio frequency switch matrix is used for quickly switching multi-frequency-point multi-polarization signals; the multi-path signal source, the six-axis mechanical arm, the multi-probe array module, the double-axis rotary table and the vector network analyzer VNA array are used for synchronously collecting test data; the data processing module is used for receiving the sampling data, calculating a test index and carrying out closed-loop compensation and result verification; the test efficiency, the equipment utilization rate and the measurement precision are remarkably improved, and full-process automatic calibration and multi-dimensional data tracing are achieved.

The invention introduces a Doppler radio direction finding system, which relates to the technical field of radio navigation and comprises an antenna array unit, a radio frequency switch matrix, a logic controller, a single-channel receiver and a signal processing unit. The logic controller drives the radio frequency switch matrix to alternately execute clockwise and anticlockwise antenna scanning actions in a single measurement period, and the signal processing unit respectively extracts phase slopes corresponding to forward and reverse scanning, generates an environment error component according to the sum of the two phase slopes and identifies a specific antenna oscillator at a standing wave node. The logic controller responds to the feedback instruction and physically skips the conduction operation on the specific antenna oscillator in the subsequent time sequence, the physical symmetry of positive and negative scanning and an environment feedback mechanism are utilized, environment standing wave interference is actively avoided on the premise that radio frequency channels are not increased, and qualitative change improvement of anti-multipath direction finding precision under a single-channel system is achieved.

The invention provides a parallel main cabinet type direct current charging pile system, which comprises a main control unit, at least one power distribution matrix unit, at least one main cabinet and a plurality of charging terminals, and is characterized in that each main cabinet is internally provided with a plurality of pluggable power supply modules, and each charging terminal is provided with at least one charging gun; the switching control logic of the power distribution matrix unit supports any power scheduling across a main cabinet, across a charging terminal and across a charging gun; each power distribution matrix unit is constructed as an M * N full-connection switch matrix, and the power distribution matrix unit dynamically switches the output power of any one power supply module to any one charging gun. The main control unit dynamically dispatches the output ports of the SCU to be connected in parallel according to the number of the charging gun, automatic superposition of power of multiple main cabinets is achieved, the megawatt charging requirements of electric heavy trucks, buses and the like are met, any power module is supported to be correspondingly connected with the charging gun of any number, and the physical boundary among the main cabinets, the charging terminals and the charging gun is broken.

The invention discloses a high-efficiency single-stage bidirectional power conversion topological structure capable of realizing full-range soft switching and a control method of the high-efficiency single-stage bidirectional power conversion topological structure. In a single-stage bidirectional power conversion topology formed by double half bridges and a switch matrix, a controlled current source connected in parallel with a primary side of a second transformer is designed; the current on a bridge arm connected with the primary side of the second transformer can be effectively changed, so that the soft switching range of a switching tube on the bridge arm in a wide power transmission range is widened, and full-range soft switching in a power frequency period can be realized in any load range; the controlled current source is designed to only work before and after the switching moment of the primary side switching tube of the second transformer, the current stress of the switching tube can be effectively reduced, and meanwhile, the loss of the additional controlled current source is very small. According to the invention, the working range of the soft switching is widened, the additional loss caused by the soft switching is greatly reduced, higher efficiency and higher power density can be realized, and the cost advantage is realized.

This application provides a power distribution device, a charging device, an energy storage device, and a charging system. The power distribution device includes at least one power distribution unit, each power distribution unit including at least one power port, multiple load ports, at least one connection port, and a switch matrix. Each power port is used to connect to a power module in the charging device, and each load port is used to connect to a load. The switch matrix is ​​used to disconnect or connect any two of each power port, each load port, and each connection port. At least one power distribution unit of the power distribution device includes a first power distribution unit, and one connection port of the first power distribution unit is used to connect to the power distribution units of other charging devices. This application embodiment can flexibly adjust the output power of the load ports of the power distribution device to meet the charging power requirements of different loads.

The invention relates to the technical field of wireless communication testing, and discloses an automatic detection and evaluation method and system for the radio frequency performance limit of multi-antenna wireless equipment, and the method comprises the steps: defining a target port and an interference port for multi-port equipment, constructing an automatic detection topology through a program-controlled radio frequency switch matrix, and carrying out the automatic detection of the radio frequency performance limit of the multi-antenna wireless equipment; and controlling the equipment to enter a full-port synchronous concurrent transmission state with a high duty ratio. In this state, power search is performed on the target port to lock the initial limit power point, and further multi-dimensional evaluation including thermal steady state drift analysis and environmental isolation verification based on a silent window is performed to confirm an effective limit power value. And traversing all ports by the system, repeating the steps, summarizing data, and calculating the consistency range and the rated power of the whole machine. According to the invention, through physical reproduction, heating accumulation and electromagnetic crosstalk environment, accurate evaluation of radio frequency performance of equipment under extreme working conditions and automatic attribution of a thermal failure mechanism are realized.

Disclosed herein is a multi-electrode catheter system including an amplifier stage and an amplifier interface. The amplifier stage includes at least a first quantity of amplifier channels. The amplifier interface includes a first interface having at least the first quantity of interface channels. The amplifier channels are respectively electrically coupled to the interface channels The amplifier interface includes a second interface having a second quantity of catheter channels, the second quantity being greater than the first quantity. The catheter channels are configured to be respectively electrically coupled to corresponding electrode leads of a multi-electrode catheter. The amplifier interface includes a switching matrix electrically coupled between the first interface and the second interface. The switching matrix is configured to selectively electrically couple a selected subset of catheter channels to respective interface channels of the first quantity of interface channels.

A transportable ultra-wideband frequency spectrum monitoring and direction finding device relates to the technical field of radio direction finding and comprises a plurality of direction finding antenna arrays including a first amplitude comparison direction finding antenna array, a second amplitude comparison direction finding antenna array, a virtual baseline direction finding antenna array, a five-element interferometer direction finding antenna array and a Wattson-Watt direction finding antenna array. The plurality of switch matrix networks are respectively connected with the corresponding direction-finding antenna arrays and are used for switching multiple paths of antenna signals and injecting calibration signals; the plurality of down-conversion board cards are respectively connected with the corresponding switch matrix networks and are used for converting the radio frequency signals of different frequency bands into intermediate frequency signals through multi-stage frequency conversion processing; the digital receiver is connected with the plurality of down-conversion board cards and is used for carrying out direct acquisition and channelization processing on the intermediate frequency signals; and an industrial personal computer. The method and the device are used for solving the problems of limited frequency coverage range, limited lateral azimuth coverage range and limited receiving dynamic range of traditional lateral equipment.

Example systems and methods for charging multiple electric vehicles are described. In one implementation, a charger receives DC (direct current) power from at least one DC power source. A splitter is coupled to the charger and receives DC power from the charger. The splitter is capable of providing DC power to multiple electric vehicles. The splitter includes a switching matrix to deliver DC power from the charger to a first electric vehicle. The splitter also includes a control system that instructs the switching matrix to stop charging the first electric vehicle and begin charging a second electric vehicle based on at least one factor.

The invention discloses a transceiving full-duplex dual-mode three-beam radio frequency component architecture and system, relates to the technical field of radio frequency communication and radar perception integrated front ends, and comprises the following steps: improving the stability of a system power-on process by combining an FPGA (Field Programmable Gate Array) unified trigger mechanism with graded power-on time sequence control of a radio frequency switch, a power amplifier and an LNA (Low Network Alliance); flexible reconstruction of channels 1-4 is realized through combination of a 2 * 2 switch matrix structure and dynamic interconnection of a circulator and a dual circular polarization port, real-time rotation of a polarization state and dynamic adjustment of a beam main lobe direction are realized through combination of a Berry geometric phase algorithm and a dual-stage regulation and control strategy of a reflection array rotation element, the flexibility of beam generation is improved, and the beam generation efficiency is improved. The dual-mode polarization reflection array is combined with the full duplex circulator and the time sequence control module, so that three polarization combination modes under the same hardware platform are realized, and the polarization multiplexing efficiency of the communication system is improved.

The invention discloses an automatic test system and method for a phased-array antenna, and belongs to the technical field of phased-array antennas. The system comprises a multifunctional control cabinet used for receiving a cooperation instruction issued by an upper computer, decomposing the cooperation instruction into a control instruction for each component in the test system, and issuing the control instruction to a target component, thereby controlling the cooperative work of each component, and completing the automatic test of the phased-array antenna; the switch matrix case is used for realizing signal cross input and output between the horn antenna and the tested phased-array antenna and carrying out vector data test or spectrum data test according to a control instruction; the variable-frequency switch matrix case is used for completing signal conversion of the horn antenna; the amplification switch matrix case is used for realizing signal conversion of the tested phased-array antenna; all parts in the case adopt a universal modular design, and the phased-array antenna testing device has the characteristics of high reliability, good maintainability, low system building cost and the like, can automatically test, improves the testing efficiency of the phased-array antenna, and reduces manual intervention.

The application relates to the field of microwave transmission and discloses a microwave signal joint processing method based on a composite channel, which realizes joint processing of low-temperature high-sensitivity receiving channel signals and normal-temperature traditional receiving channel signals through mutual fusion, mutual verification and joint processing of the two kinds of channel signals, can significantly improve the signal-to-noise ratio and receiving accuracy of the system, and can effectively eliminate the influence of false signals, reduce the false alarm rate of a radar or electronic reconnaissance system, and protect the low-temperature high-sensitivity receiving channel from being burned out by closing the channel through a switch matrix or carrying out attenuation processing in the front end of the channel when a large signal exists.

The invention provides a multifunctional radio frequency comprehensive integrated universal transceiver and a configuration method thereof, and belongs to the technical field of radio frequency transceiver systems, and the equipment comprises a multi-channel radio frequency transceiver assembly, a variable frequency multi-channel local oscillator module, a radio frequency switch matrix, a baseband signal processing module, a plurality of digital-to-analog converters and a plurality of analog-to-digital converters; the variable-frequency multi-channel local oscillator module is used for generating local oscillator signals corresponding to a plurality of function modes and dynamically distributing the local oscillator signals to a plurality of pairs of transceiving channels through the radio frequency switch matrix; and the baseband signal processing module is used for dynamically configuring the multi-channel radio frequency transceiving component, the variable-frequency multi-channel local oscillation module and the radio frequency switch matrix, so that the universal transceiving equipment performs time division multiplexing or performs at least two function modes of radar, communication and electronic countermeasure in parallel. According to the invention, the integrated transceiver which performs radar, communication and electronic countermeasure functions in a time-sharing or parallel manner is realized.

Systems and Methods for capacitance testing of a unit under test with parasitic capacitance directed to a guard rail. The system includes test points, wherein the plurality of test points are divided into at least two groups; a stimulus source; a first group guard relay electrically connected to each of the test points in a first; a second group guard relay electrically connected to each of the test points in a second; a guard rail coupled to the first group guard relay and the second group guard relay; a first group return relay electrically connected to each of the test points in a first group; a second group return relay electrically connected to each of the test points in a second group; a current measurement rail coupled to the first group return relay and the second group return relay; a current meter coupled to the measurement rail; and a controller.

The invention relates to a quick open and short circuit test dichotomy between any points of an IC wafer disc. A wafer bonding pad test channel is established based on a case board card framework, a test point TP corresponding to a wafer bonding pad is connected to N test unit board cards through a switch matrix, a connector and a carrier, and a power supply and communication link is formed by a backboard and a core control board. Each test unit board card executes an in-board dichotomy test and uploads an in-board open / short circuit initial determination result; the core control board executes an inter-board dichotomy grouping test on each slot position to determine a target board card set; and the test points TP of any two target board cards are divided into blocks and are positioned to the minimum block, point-to-point scanning is executed in the minimum block, and an open-short circuit positioning result is output. The method gives consideration to the configurable number of board cards and the multi-layer bipartite convergence path, and is suitable for the rapid open-short circuit positioning scene of the high-order-of-magnitude wafer bonding pad.

The invention relates to an N-port smart data switch (SSW) for an optical data network (10-1) comprising a plurality of data network nodes (N1-1, N2-1, N3-1, N4-1, NN-1) The N-port smart data switch (SSW) comprises: i) a switching matrix module (SMM) having Y circuit switches (OCS1, OCS2.OCSY) being placed in parallel, each circuit switch (OCS1, OCS2.OCSY) having N / C inputs and N / C outputs; ii) an N-to-N*Y optical distribution block (PDB1) placed between the N optical inputs (xNi) and the switching matrix module (SMM); iii) a C-to-1-combiner stage (CBM1) placed between the N-to-N*Y optical distribution block (PDB1) and the switching matrix module (SMM), iv) an N-to-N*C optical distribution block (PDB2) placed between the switching matrix module (SMM) and the optical outputs; and v) a Y-to-1 combiner stage (CBM2) placed between the N-to-N*C optical distribution block (PDB2) and the optical outputs, wherein N is the number of optical inputs (xNi) and the number of optical outputs (xNo), wherein N is an integer equal to or larger than two, and wherein Y is the number of circuit switches (OCS1, OCS2.OCSY) within the switching matrix module (SMM), wherein Y is an integer equal to or larger than one, and C is the oversubscription factor of the N-port smart data switch (SSW), wherein C is an integer equal to or larger than two. The use of smaller switching matrices in the current invention leads to a significantly increased yield when implementing these functions in photonic integrated circuit.

The invention discloses a reconfigurable topology-digital twin sodium-lithium hybrid battery collaborative management system and method, and relates to the technical field of electrochemical energy storage systems, the system comprises a sodium-lithium hybrid cell module, a temperature sensor and a voltage acquisition unit; the reconfigurable switch matrix module is composed of MOSFETs and supports seamless switching of four kinds of topologies. The BMS module integrates data processing, a decision engine and switch driving; the digital twin module constructs a virtual model for simulation and early warning of faults; the topology adaptive state estimation module is internally provided with multiple equivalent models to estimate SOC / SOH; the load adaptation module monitors a load and distributes power; and the fault isolation module is linked with the switch matrix to disconnect the fault cell and reconstruct the topology. According to the method, the full-working-condition performance is optimized through dynamic topology, active fault isolation is achieved through digital twinning, differential technical system avoiding patents are constructed, and the performance, safety and precision pain points of a traditional fixed topology system are comprehensively solved.

The invention discloses a compact single-stage matrix AC-DC power conversion device and a control method thereof. The power conversion device comprises a power module, a switch matrix, a resonant cavity, a rectifying circuit, a first follow current branch and a second follow current branch, the power module is connected with the switch matrix, the resonant cavity is connected with the power module, the switch matrix comprises a first bridge arm and a second bridge arm, the midpoint of the first bridge arm is connected with one end of a primary winding of the resonant cavity, and the midpoint of the second bridge arm is connected with the other end of a secondary winding of the resonant cavity. The midpoint of the second bridge arm is connected with the other end of the primary winding of the resonant cavity, the first freewheeling branch is connected with the first bridge arm in parallel, the second freewheeling branch is connected with the second bridge arm in parallel, and the first freewheeling branch, the second freewheeling branch, at least part of the first bridge arm, at least part of the second bridge arm, the power module and the resonant cavity form a freewheeling channel. Two ends of the rectification circuit are connected with the secondary winding of the resonant cavity. The compact single-stage matrix type AC-DC power conversion device can effectively eliminate voltage spikes and reduce loss.

The application discloses a kind of fast matching method and system of multi-channel weak current test gain consistency, it is related to electronic component testing technical field.The matching method includes traceability calibration stage, utilizes internal integrated programmable precision current source to carry out multi-range gear fine calibration to a specified channel, establishes gold channel as precision reference;Fast matching stage, a stable reference current is injected into all test channels by high-speed polling through switch matrix, and the response value of gold channel is used as reference, the consistency proportion coefficient of each channel is calculated;Correction application stage, in actual measurement, the original data of each channel is multiplied by its exclusive proportion coefficient, and the high consistency result after correction is output.The matching system includes the hardware and control program of executing the above matching method.The application is used to realize the unity of precision and multi-channel consistency, calibration process is fully automatic, fast, shorten whole system calibration time, improve instrument production efficiency and factory quality.

This invention discloses a parallel equalization system based on a bidirectional CUK converter, comprising an equalization system module and a selection switch matrix module. The selection switch matrix module includes n sets of selection switch matrices, each set containing four selection switches. The positive terminal of the first battery is connected to the drain of the first selection switch, the source of the first selection switch is connected to the drain of the third selection switch, the source of the third selection switch is connected to the negative terminal of the first battery, the drain of the second selection switch is connected to the drain of the first selection switch, the source of the second selection switch is connected to the drain of the fourth selection switch, and the source of the fourth selection switch is connected to the source of the third selection switch. The equalization system module has multiple equalizers, each connected to a corresponding selection switch matrix. Each equalizer includes two inductors, one auxiliary power switch, one control power switch, and two capacitors. This system enables equalization of multiple series-parallel battery packs during charging and discharging, offering flexible equalization methods.

The invention relates to the technical field of antenna detection, in particular to an antenna detection device based on an MES (Manufacturing Execution System) combined with a vector network analyzer, which comprises the MES, the vector network analyzer (VNA), an automatic test platform and an industrial personal computer, the manufacturing execution system (MES) is configured to generate and issue a structured electronic work order including a product model, test parameter configuration information and a performance qualification limit value; the vector network analyzer (VNA) is an automatic test platform used for executing radio frequency performance parameter measurement on a tested antenna, and comprises a turntable used for fixing and driving the tested antenna to perform azimuth or pitching rotation, and a radio frequency switch matrix used for switching test signal paths among a plurality of tested antenna ports or a plurality of antennas; and the industrial personal computer is in communication connection with the MES, the VNA and the automatic test platform.

The application discloses a network security device N+1 cluster hot backup system and method based on a chain type physical cascade, which comprises N main devices and at least one public backup machine, and each device is connected into a daisy chain topology through a special cascade interface. Each device is internally integrated with an encryption module and a physical switching matrix composed of multiple mechanical latching type optical switches. The system defines three modes of service processing, fault source bypass and transparent relay: when a device suddenly fails or is powered off, the optical switch automatically maintains the redirected optical path by relying on the mechanical latching characteristics, and physically bypasses the local port traffic to the cascade channel; after detecting the cascade signal, the downstream normal node directly establishes a straight-through transparent optical path by using the internal optical switch matrix, so that the fault traffic is relayed at the physical layer. The application realizes "physical layer complete unloading" of fault traffic, realizes zero computing power consumption for intermediate nodes, has a forwarding delay of less than 1 mu s, effectively eliminates the performance avalanche problem of a high computing power cluster, and has high availability of power failure self-healing.

The invention provides a self-calibration method and system for a VNA port extension test system and a test system, and the method comprises the steps: recalibration is carried out, so that a path between a VNA port and a corresponding switch matrix output port is in a disconnected state; the port transmits a signal and measures anti-radio frequency domain data in a disconnection state and time domain response of the anti-radio frequency domain data; time domain data of directivity errors, time domain data of reflection tracking errors and corresponding frequency domain responses are obtained through a first gating gate and a second gating gate; the drift distance of a reflection error item is calculated, and the directivity error and the reflection tracking error of each port are updated; performing S parameter measurement on the DUT to be measured; the drift distance of the ET is obtained according to the obtained drift distance of the reflection error term, and the transmission error term is updated based on the drift distance of the ET; and correcting the measurement data of the current DUT to be measured to obtain an accurate S parameter. According to the invention, a self-calibration function without interruption of production can be realized, and the test efficiency is improved.

This invention discloses a device testing circuit, a testing power supply, and a testing method. The device testing circuit includes an input circuit, a power supply circuit, a control circuit, and an output circuit. The input circuit uses an input DC bus circuit to receive and distribute DC power. The power supply circuit includes multiple independent power modules, each drawing power from the input DC bus circuit. The control circuit uses a switch matrix to achieve controllable connection between multiple output interfaces of the power supply circuit and the output circuit. The output circuit is used to connect to an experimental circuit. The input DC bus circuit is a bidirectional bus for bidirectional transmission of DC power between the power supply circuit and the experimental circuit. This invention solves the technical problems of existing testing power supplies, such as large size, poor combination flexibility, and insufficient portability.

The invention discloses a self-calibration type capacitor frequency conversion method, which comprises the following steps of: connecting a capacitor to be measured into a charging loop through a switch matrix, charging the capacitor to be measured, transferring charges of the capacitor to be measured to an integrating capacitor, and generating an integrating voltage; inputting the integral voltage into a five-stage ring oscillator so as to convert the integral voltage into a square wave signal, and performing pulse width amplification on the square wave signal through a time amplifier; a calibration engine is introduced, the calibration engine starts calibration by detecting calibration parameters, the current pulse width is obtained by sequentially switching the reference capacitor array to the measurement channel, and the current pulse width is compared with the stored factory calibration value of the reference capacitor; if the comparison deviation exceeds a threshold value, calculating a scale factor, superposing a second-order temperature compensation model on the scale factor, and finally outputting a calibrated capacitance value to be measured; according to the invention, the time-to-digital converter replaces the traditional ADC, and the intelligent switching reference capacitor array and the dynamic temperature compensation algorithm are combined, so that the full-working-condition self-calibration is realized.

The application belongs to the technical field of laser detection, and specifically discloses a multi-component gas distributed laser detection system based on dynamic wavelength regulation, which comprises a plurality of lasers, a multi-channel optical switch matrix connected to the output ends of the lasers, optical fiber gas chamber detection units connected to each output channel of the multi-channel optical switch matrix through optical fibers, and corresponding optical detectors connected to the output ends of the optical fiber gas chamber detection units through optical fibers; a control module is electrically connected to the lasers, the optical switch matrix and the optical detectors, and is used for controlling the switching and light-emitting timing of the lasers, controlling the switching path of the optical switch matrix, and synchronously reading and processing the data of all the optical detectors to calculate the gas concentration. The application realizes the dynamic switching and scheduling of different laser wavelengths through the multi-channel optical switch matrix, supports the multi-component gas detection of multiple detection points with a single laser array, and realizes the passive deployment of the detection points by using the distributed optical fiber gas chamber detection units, thereby meeting the intrinsic safety detection requirements in flammable and explosive hazardous environments.