74results about How to "Fast response time" patented technology

The invention relates to the technical field of geological surveying and mapping, in particular to a multi-source data fusion geological surveying and mapping system which comprises a multi-dimensional data collection module, a data calibration and synchronization module, a geological image enhancement module, a data fusion and model generation module and a visualization and interaction module. The data calibration and synchronization module carries out timestamp calibration and geographic position processing on data, the geological image enhancement module enhances geological images, the data fusion and model generation module fuses the processed data and constructs a geological model by using a modeling technology, and the visualization and interaction module provides a multi-dimensional data interaction platform. Through the geological texture recovery sub-module, visual quality of images is improved, reliability and accuracy during geological data and resource evaluation are enhanced, polarized light data are collected through the polarized image processing sub-module, key information such as surface material roughness is revealed, and surface and underground geological processes can be better understood and explained.

The invention relates to the technical field of electric power data management, and provides a database table classification management method and system based on multi-modal fusion. The method comprises the following steps: extracting table information in a table in data, including metadata information and historical sql information of a table; on the basis of the extracted metadata information and historical sql information, constructing a feature vector of multi-modal fusion; for the existing database tables in the initial data table, based on the feature vectors of the database tables, calculating the distance between the feature vectors of each table, and adopting a hierarchical clustering method to perform clustering analysis on the data tables; specifying a storage scheme for each type of data table in the clustering result, and forming a storage scheme result of the existing database table; constructing an attention-based classification model based on a storage scheme result of the existing database table; and classifying the tables newly added into the database of the data table by adopting the classification model, and determining a storage scheme result of the newly added tables. According to the invention, the most reasonable storage scheme can be automatically allocated to the table.

The invention relates to the technical field of artificial intelligence, and discloses an intelligent interaction system and method based on legal consultation, and the system comprises a front-end user interface which supports text input, voice input and image input and has a multi-language switching function; the middle layer processing module comprises an emotion analysis module, an information integration module, a context management module and a response generation module and can dynamically adjust a processing strategy; and the rear-end legal knowledge base is used for storing laws and regulations, case analysis and common legal question answers and supporting real-time updating, version management and efficient retrieval. Through combination of a deep learning model and fine tuning of a special data set in the legal field, the system can accurately identify emotion features in user input, the accuracy not only improves the ability to understand legal terms, but also enhances the ability to process complex emotion expression, so that legal consultation is more humanized, and the efficiency is improved. The emotion change of the user can be responded in time, so that the satisfaction degree and the trust feeling of the user are improved.

The invention discloses a tobacco field planting space data value evidence traceability method and system based on remote sensing and a block chain, and relates to the technical field of agricultural information. Comprising the following steps: S1, taking multi-modal data as input of an atmospheric correction model, and outputting and acquiring corrected multi-modal data; s2, a compression ratio is set according to the divided areas, and lightweight summary information is obtained; and S3, storing the lightweight summary information through a block chain, storing the original remote sensing image and metadata through cloud storage, and performing information interaction through an intelligent contract. According to the method, a lightweight summary information block chain is stored, an original remote sensing image and metadata thereof are stored through cloud storage, data and service interaction of a cross-block chain platform is performed through an intelligent contract interface, and the security and privacy protection of data transmission are ensured through zero-knowledge proof and a homomorphic encryption technology; therefore, the security and efficiency of data management are improved.

The invention relates to the technical field of artificial intelligence, in particular to an intelligent large-screen multi-round dialogue linkage method based on a large model. A user can control the intelligent large screen anytime and anywhere through the mobile phone without being limited by time and equipment operation. Compared with a traditional interaction mode, the user experience is more natural and convenient. A two-dimensional code generated by an intelligent large screen is scanned through a mobile phone program, a safe interaction channel is established through a WSS protocol of Websocket, and multi-round dialogue control is performed by using a large model.

The invention provides a voice broadcasting method and device, electronic equipment, a storage medium and a program product, and is applied to the technical field of computers and the technical field of artificial intelligence. The method comprises the following steps: sending a text-to-voice conversion request to a voice server; the ith audio stream generated by the voice server is received, the ith audio stream is obtained by performing text voice conversion on the ith text segment in the M text segments of the text information through the voice server, and the M text segments are obtained by performing splitting processing on the text information; in response to the fact that the ith audio stream is the first audio stream, an audio broadcasting starting instruction is sent to voice broadcasting equipment, and the audio broadcasting starting instruction comprises text information needing to be subjected to audio broadcasting; and in response to an audio broadcasting starting instruction received by the voice broadcasting equipment, sending the first-segment audio stream to the voice broadcasting equipment, so that the voice broadcasting equipment broadcasts the first-segment audio stream.

The invention relates to a safety supervision method for automatically activating an accident handling emergency plan. The method comprises the following steps: acquiring field personnel position data DPOS, field video data DV, operator vital sign data DLF, equipment running state data DME and production environment state data DPE; the emergency plan processing system classifies and cleans the collected data, removes invalid data, judges whether an alarm threshold value is reached or not and generates an alarm event; dividing a safety monitoring period into a plurality of monitoring time periods T, judging the type and grade of an accident, and starting a corresponding emergency plan; the emergency plan processing system automatically records the process and time of emergency plan processing, and after the accident processing is completed, the process and time are automatically preserved and filed. The method has the advantages that multi-data-source comprehensive safety monitoring is carried out on the whole production line and the whole operation area, when an accident occurs, an emergency plan is automatically started, related personnel are quickly notified of the type and the position of the accident, the response time of emergency disposal is shortened, and the rescue time is saved.

The invention discloses an intention-based server management method and device, a medium and a product, and relates to the field of servers. The method comprises the following steps: receiving server management intention information sent by an administrator; determining target performance data of a business server according to the server management intention information; generating a server management strategy based on the target performance data; adjusting resource configuration, application program configuration and / or service tasks of the service server according to the server management strategy; obtaining the adjusted real-time performance data of the business server; and when the real-time performance data is matched with the target performance data, server management task completion information is returned to the administrator. The server configuration is automatically adjusted to meet the performance requirement by accurately matching the management intention of the administrator with the target performance data, the management difficulty of the server is reduced, the task completion is confirmed to the administrator after the performance reaches the standard, and the efficiency and the accuracy of server management are improved.

The invention discloses a method for estimating the oil temperature of an oil cooling motor through an electronic oil pump. The method comprises the following steps that S1, signals are obtained, specifically, an electronic oil pump rotating speed signal and an electronic oil pump torque current signal are obtained; s2, filtering the rotating speed of the electronic oil pump: performing sliding mean filtering processing on the obtained rotating speed of the electronic oil pump; s3, filtering the torque current of the electronic oil pump: carrying out sliding mean filtering processing on the obtained torque current of the electronic oil pump; s4, calculating the oil temperature: calculating the oil temperature according to the rotating speed and the torque current of the electronic oil pump after filtering treatment in S2 and S3; s5, correcting the oil temperature: correcting the oil temperature calculated in the step S4; s6, oil temperature filtering, wherein filtering processing is conducted on the oil temperature corrected in the S5; and S7, outputting the oil temperature: outputting the oil temperature filtered in the step S6. The overall structure layout can be optimized, and the economic cost can be reduced.

The invention relates to a magnetic suspension bearing control system and method and refrigeration equipment, and the system comprises a magnetic suspension bearing control module which is used for controlling a magnetic suspension bearing; the battery management module is electrically connected with the magnetic suspension bearing control module; and the master control module is respectively connected with the magnetic suspension bearing control module and the battery management module and can control the battery management module to store electric energy when the voltage of the magnetic suspension bearing control module is excessive and supply power to the magnetic suspension bearing control module when the power supply of the magnetic suspension bearing control module is insufficient. According to the technical scheme of the magnetic suspension bearing control system, through cooperative work of the battery management module and the master control module, the stability, the energy-saving performance and the response speed of the system are enhanced, the service life of equipment is effectively prolonged, and the maintenance cost is reduced. The integrated solution provides a safer, more reliable and more economical operating environment for high-performance and high-precision mechanical equipment.

The invention discloses a shaft sleeve type transmission mechanism and an electromagnetic clutch, and the shaft sleeve type transmission mechanism comprises a middle shaft, a shaft sleeve and a gear shaft; the gear shaft rotationally sleeves the middle shaft, and a first tooth row structure is arranged on the peripheral surface of the gear shaft; the shaft sleeve is movably sleeved on the middle shaft along the axial direction of the shaft sleeve, and part of the sleeve section is sleeved on the gear shaft; a second tooth row structure capable of being meshed with the first tooth row structure is arranged on the inner circumferential face of the shaft sleeve. A reset elastic piece is connected between the shaft sleeve and the middle shaft; the reset elastic piece is used for providing elastic acting force for resetting movement of the shaft sleeve in the axial direction of the shaft sleeve. A first stop part is arranged on the peripheral surface of the gear shaft and can be in contact with and abut against the shaft sleeve; when the shaft sleeve abuts against the first stop part in a contact mode, the first tooth row structure and the second tooth row structure are completely meshed. And meshing is carried out in a tooth row structure form, so that the combining and separating path is shortened, the meshing time is shortened, and the response time is shortened under the condition that enough torque transmission capacity is achieved.

The invention relates to the field of image processing, in particular to a human body attribute identification method in a coal mine transportation scene, which comprises the following steps: constructing a danger monitoring model, and collecting data information of coal mine field environment and personnel; preprocessing the data information to obtain corresponding feature information; classifying the danger monitoring models according to the danger types and endowing the danger monitoring models with corresponding risk values; the feature information is processed to obtain action behavior information, road condition information and mineral information, the action behavior information, the road condition information and the mineral information are substituted into a danger monitoring model to obtain corresponding risk values, whether danger occurs or not is judged, and an alarm signal is sent; the danger monitoring model is trained through the detected feature information, the original danger monitoring model is covered, and therefore the problem that in the prior art, the accuracy of judging the danger type and the danger occurrence probability through experience is low, subjective factors are many, and consequently the accuracy of risk judgment during coal mine transportation is reduced is solved.

The application discloses a high-temperature gas flow automatic regulating valve and relates to the technical field of valves.The application solves the problems of slow response speed and poor sealing and heat insulation capacity in the prior art.The application comprises a valve body, a flow-limiting nozzle structure is arranged on the valve body, a chamber is arranged on the flow-limiting nozzle structure, flow channel openings I and II, which are in communication with the chamber, are arranged on the flow-limiting nozzle structure, an electromagnet is connected to the valve body, a movable end of the electromagnet is connected to one end of a yoke, the other end of the yoke extends into the chamber and is matched with the flow channel opening II, the movable end of the electromagnet can drive the yoke to control the opening and closing degree of the flow channel opening II, and a sealing and heat insulation structure for matching with the yoke is arranged on the chamber.The sealing and heat insulation structure is matched with the yoke directly, sealing and heat insulation are formed, and the use requirement of a high-temperature medium conveying scene is met.The end of the yoke is matched with the flow channel opening II directly to control the flow, the design of a valve core is cancelled, space occupation is saved, the structure is simplified, friction in the control process is reduced, the driving force requirement of an electromagnetic valve is reduced, the response time of control is improved.

The invention discloses a method for controlling the spraying speed of a greening wet spraying machine, which belongs to the technical field of PID control optimization. The specific steps are as follows: step one, constructing a control system model of the greening wet spraying machine; step two, improving the mathematical model of the aurora optimization algorithm, and the specific improvement strategies are as follows: D1, using an adaptive scaling Levy flight strategy to improve the mathematical model of the aurora elliptical complex variant Ao in the aurora optimization algorithm; D2, using a transition perturbation strategy to improve the mathematical model of the particle collision stage of the aurora optimization algorithm; step three, using the improved aurora optimization algorithm to optimize the PID controller parameters of the control system model of the greening wet spraying machine, and obtaining the optimal three parameters of Kp, Ki, and Kd; step four, using the optimal three parameters of Kp, Ki, and Kd obtained in step three for the spraying speed control of the greening wet spraying machine, and optimizing the control effect of the spraying speed of the greening wet spraying machine.

The invention provides a preparation method of a carbon monoxide electrochemical sensor electrode, the electrode provides a reaction place for a solid-liquid-gas three-phase reaction, and the preparation method comprises the following steps: stirring noble metal powder, a conductive material I, a conductive material II, a hydrophobic substance material, a hydrophilic substance material and an adhesive according to a certain proportion to prepare slurry with a certain solid content; and coating the slurry on a microporous substrate material by adopting a silk screen, and drying to form the carbon monoxide electrochemical sensor electrode. Compared with a traditional method, the electrode prepared through the preparation method is lower in cost, and on the basis that the cost is reduced, the sensitivity is greatly improved, and the response time is greatly shortened.

The invention discloses a data processing method and device for element indexing. The method comprises the following steps: acquiring to-be-processed element retrieval information; the to-be-processed element retrieval information comprises a retrieval precision grade and element coordinate information; performing conversion processing on the to-be-processed element retrieval information to obtain target index identification information; the target index identification information comprises at least one target identification code arranged in sequence, and / or a target identifier used for separating the target identification code; performing retrieval processing on the basic index element information by utilizing the target index identification information to obtain target element information; the basic index element information comprises first index element information, second index element information, third index element information and fourth index element information; the first index element information comprises a plurality of pieces of first sub-index element information; the first sub-index element information comprises the first encoding information and the first element information.

The present invention belongs to the technical field of elevator components, and specifically relates to a speed limiter and an elevator. The speed limiter includes a wheel shaft and a rope pulley rotatably mounted on the wheel shaft, and also includes a centrifugal mechanism arranged on the rope pulley. The centrifugal mechanism includes two centrifugal throw blocks and a connecting rod. The two centrifugal throw blocks can be rotatably mounted on the rope pulley and are respectively connected to the rotating pairs at both ends of the connecting rod; the throw-out side of one of the centrifugal throw blocks is rotatably connected with a brake member, and correspondingly, the wheel shaft is coaxially provided with a brake disc; when the speed limiter is in an overspeed state, the centrifugal throw block links the brake member to move to fit the brake disc for braking cooperation. In the speed limiter of the present invention, under the action of centrifugal force, the brake member is directly pulled by the centrifugal throw block, and the brake member is self-locked between the brake disc and the rope pulley, so that the rope pulley stops rotating and is pulled. When overspeed detection occurs, it has the characteristics of instant triggering and rapid response, thereby improving the response time of the safety protection device braking.

The present invention belongs to the technical field of flow field testing, and discloses a full-parameter probe for measuring a high-subsonic three-dimensional steady-state flow field, including a probe head, a pressure sensing hole, a convection heat exchange hole, a temperature sensor, a heat-insulating seal, a pressure-leading pipe, a temperature sensor cable, a temperature sensor cable lead-out channel, a pressure-leading pipe lead-out channel, and a probe support rod. Three pressure sensing holes are opened on the windward surface of the cylinder of the probe head, and one pressure sensing hole is opened on the windward surface of the blunt cone. The temperature sensor is placed in the convection heat exchange hole on the leeward side of the probe head to protect the temperature sensor from the impact of the high-speed mainstream. Compared with the existing probe, the present invention can simultaneously measure the total temperature, static temperature, total pressure, static pressure, deflection angle, pitch angle, Mach number, density and three-dimensional velocity of the high-subsonic three-dimensional steady-state flow field, and is suitable for the three-dimensional steady-state flow field between the inlet, outlet and impeller stages of high-subsonic compressors, fans, compressors, etc., and can achieve high-precision, refined, and multi-parameter flow field measurement.

The utility model relates to a sorting device and a sorting transport line. The sorting device comprises a sorting unit, and the sorting unit comprises a rack and a driving assembly connected to the rack; the driving assembly comprises a first rotating shaft directly or indirectly rotationally connected to the rack, and a power source located on one side of the first rotating shaft; the first coupling disc and the second coupling disc are magnetic pieces which can be attracted to each other when approaching each other, and a preset distance is kept between the first coupling disc and the second coupling disc when the first coupling disc and the second coupling disc are in a combined state, so that when the first coupling disc and the second coupling disc are switched to the combined state, the first coupling disc and the second coupling disc can transmit torque by means of magnetic attraction of each other; when the switch is switched to the separation state, the linkage can be quickly and completely separated; therefore, the mutual viscosity between the states of the first coupling disc and the second coupling disc is reduced, the response time when the states of the first coupling disc and the second coupling disc are switched can be prolonged, and the sorting precision of the sorting device is improved.

This invention discloses a chemiluminescence gas sensor based on polyoxometalates (POMs), and relates to its fabrication method and application. The sensor is suitable for detecting ammonia at room temperature. The gas sensor includes an adapter base and a sensing element, wherein the sensing element consists of interdigitated electrodes and a sensitive material loaded on the electrode surface. This sensitive material is a composite material of POMs and SnO2. POMs, as excellent electron acceptors, possess good redox properties, thermal stability, and photosensitivity. When combined with SnO2, they can effectively suppress electron-hole recombination, thereby significantly improving the gas-sensing performance of the semiconductor material. Compared with existing technologies, the sensor provided by this invention exhibits high response characteristics to ammonia at room temperature, while also demonstrating excellent selectivity and repeatability.

The invention discloses a communication method and device in a target area and a power station, and belongs to the technical field of communication. The communication method in the target area comprises the following steps: a target communication node in a plurality of communication nodes sends identification information corresponding to the target communication node to adjacent communication nodes, and receives identification information corresponding to each adjacent communication node sent by each adjacent communication node; based on the identification information, sending a local connection relationship to each adjacent communication node; local connection relations corresponding to other communication nodes sent by the adjacent communication nodes are received; generating an adjacent matrix corresponding to the target area based on the local connection relationship corresponding to each communication node; the adjacent matrix is used for each communication node in the target area to carry out data transmission. According to the communication method in the target area, on the basis of improving the data transmission efficiency and the data response time, additional equipment cost does not need to be increased, and the communication cost is effectively saved.

The invention provides an IQ signal processing module of a laser interference system, which relates to a signal demodulation technology and comprises a local oscillator signal generation and distribution circuit, an IQ orthogonal signal demodulation circuit and a direct-current LDO (Low Dropout Regulator) voltage stabilization source. The local oscillator signal generation and distribution module is composed of an active crystal oscillator network, a frequency multiplier, a low-noise amplifier A, a low-noise amplifier B, a low-noise amplifier C, a 1 / 2 power divider and a 1 / 3 power divider, and generation, frequency multiplication, amplification and distribution of a 110MHz local oscillator original signal in the module are achieved. The IQ orthogonal signal demodulation circuit consists of a low-noise amplifier D, a low-pass filter, a balun transformer, a differential demodulator and an operational amplifier and filter network, and is used for realizing amplification, filtering, demodulation and differential operation of IQ orthogonal signals in the module; the direct-current LDO voltage stabilization source is composed of a linear LDO and a peripheral circuit of the linear LDO and provides a proper power source for all functional chips of the module. According to the invention, the signal link structure is simplified, the number of photoelectric detectors used in the multichannel interference system is reduced, and the manufacturing cost is saved.

The application discloses a kind of probe devices for magnetic flux leakage detection equipment, it is related to nondestructive testing technical field, it includes probe device, two are symmetrically and oppositely arranged in probe device, each probe device includes bearing table, probe frame, probe limiting component and magnetic yoke component are set on bearing table, probe frame is provided with probe main body, probe limiting component is connected with probe frame, magnetic yoke component is C-shaped, its inside forms a C-shaped cavity, at least a part of probe main body is inserted into C-shaped cavity;Probe limiting component can actively adjust the position of probe main body, can also provide push-pull force for probe main body when working, so that probe main body always remains stable, it is favorable to improve the detection effect of probe main body, probe main body telescopic in the C-shaped cavity of magnetic yoke component, increase the response time of magnetization, detection, it is favorable to improve detection efficiency and detection accuracy.

The present invention discloses a precise positioning maintenance inspection system and method based on road network monitoring. First, the video monitoring equipment along the roadside of the highway network is initialized and the pre-position parameters are calibrated, the mileage pile numbers along the roadside of the highway network are matched with the video monitoring screen, and the video monitoring equipment collects road network monitoring pictures and videos. Finally, based on the collected road network monitoring pictures and videos, the road network is intelligently inspected according to demand. Based on the existing monitoring equipment of the road network, the present invention completes the intelligent maintenance inspection of the highway through pre-position setting and image acquisition and splicing, significantly improves the conventional road network management, the maintenance inspection monitoring field scene range, strengthens the coordination level of abnormal road network monitoring, significantly improves the regional road network operation status overall management and refined maintenance inspection capabilities, effectively supports accurate small-scale mileage pile number section operation observation, improves the management and maintenance inspection video polling frequency, and effectively reduces the road network management and maintenance investment.

The utility model relates to a breaking grid sheet, comprising a grid sheet main body (201) made of an electrical insulating material, the grid sheet main body (201) is designed to be substantially axisymmetric about a vertical axis (A1), and the inner side of the grid sheet main body (201) is provided with at least one blade groove (201A) extending along the vertical direction; and at least one insulating blade (202) made of an insulating material, the insulating blade (202) having a first blade body surface, a second blade body surface opposite to the first blade body surface, and a cutting edge portion (202C) located between the first blade body surface and the second blade body surface and adapted to be inserted into a corresponding fracture (104A, 104B), wherein the cutting edge portion (202C) has an acute included angle when viewed in the cross-sectional direction thereof. Therefore, the electrical performance, including response time, breaking current, arc extinction performance and the like, of the excitation fuse can be remarkably improved. The utility model also relates to an excitation fuse having the same.

The invention belongs to the field of superconducting magnet application, and discloses a segmented temperature detection and quench detection system and method for a high-temperature superconducting magnet, the system adopts an optical fiber interference technology, and temperature change is detected by accurately calculating an optical path difference. Because the optical fiber has high stability and a measurement signal is not easily influenced by external electromagnetic interference, compared with a traditional resistance temperature sensor and other modes, the measurement precision is higher, and the temperature of each segment of the high-temperature superconducting magnet can be monitored more accurately in a segmented manner. The system transmits and detects the temperature change by using the optical fiber, and the transmission speed of an optical fiber signal is far higher than that of a traditional electric signal, so that the response speed of the system is remarkably improved. The method is particularly important for quench detection of the high-temperature superconducting magnet, temperature change analysis can be rapidly carried out at the initial stage of the quench phenomenon, and measures can be taken in time.

The invention discloses a data distribution method and device, equipment, a medium and a product, and the data distribution method comprises the steps: in response to the completion of hash table caching at a data caching side and the total number of data caching being zero, checking whether a first data distribution operator exists at a data detection side; if the first data distribution operator exists and the first distribution type of the first data distribution operator is the target type, modifying the state of the to-be-modified signal mark of the thread to which the first data distribution operator belongs; in response to a second data distribution operator on the data detection side, if a second distribution type of the second data distribution operator is a target type, obtaining a target signal mark of a target thread of a data receiver; and according to the state marked by the target signal, determining a distribution operation on the data sent to the target thread. According to the method, the signal mark state of the thread with the total data cache number being zero is modified so as to prompt in advance through the signal mark, unnecessary data sending is reduced, and then the query performance is improved.

The invention requests to protect an illegal operating vehicle rapid identification system and method based on a de-noising convolutional neural network, and the system comprises a multi-module AI-ISP de-noising convolutional neural network module which is used for processing and de-noising vehicle-related information collected by a front end in real time; the LSTM and GRU recurrent neural network model is used for analyzing the vehicle space-time trajectory data processed by the multi-module AI-ISP denoising convolutional neural network module so as to identify a high-frequency abnormal behavior mode of an illegal operating vehicle; the real-time internal and external network penetration mapping PHTunnel component ensures that data is safely transmitted between the internal and external networks in real time, and connects the LSTM and GRU recurrent neural network model with the handheld terminal; the handheld terminal is integrated with a second-generation identity card identification module and an RFID module and is used for collecting key evidence information on site; and the customized APP is deeply integrated with the handheld terminal to realize field data acquisition, encryption uploading and instant case processing. According to the system, normal operating vehicles and potential illegal operating vehicles can be distinguished, and the identification accuracy and the case processing efficiency are greatly improved.

The invention provides an AC voltage detection method. A detection circuit comprises an isolation sampling circuit, a proportion and offset circuit, a comparator circuit and a load driving circuit. The isolation sampling circuit samples the AC voltage; the proportion and offset circuit offsets the sampling voltage to a measurable range, reduces the sampling voltage according to the proportion and outputs the sampling voltage to the comparator circuit; the comparator circuit compares the input voltage with the reference voltage and outputs a comparison result to the load driving circuit, when the input voltage is smaller than the overvoltage reference voltage and larger than the undervoltage reference voltage, the comparator circuit outputs a normal signal, and when the input voltage is larger than the overvoltage reference voltage or smaller than the undervoltage reference voltage, the comparator circuit outputs a normal signal. The comparator circuit outputs a fault signal; the load driving circuit drives the AC circuit to be closed when inputting a normal signal, and drives the AC circuit to be disconnected when inputting a fault signal. The AC voltage detection method provided by the invention is short in response time, low in power consumption and high in reliability.

The invention discloses a Joule heating type ammonia decomposition porous foam filled membrane reactor which comprises an explosion-proof cavity, a metal palladium membrane is adopted as a hydrogen permeation membrane, cobalt molybdenum nitride is selected as an efficient catalyst, the catalyst is uniformly distributed in silicon carbide foam, and the silicon carbide foam plays a role of a Joule heating substrate at the same time; the two ends of the silicon carbide foam are connected to a positive electrode and a negative electrode respectively, rapid heating of the catalyst bed layer is achieved by applying voltage, in the operation process of the reactor, ammonia gas is preheated through the heat exchanger firstly and then enters the membrane reactor to be decomposed, and hydrogen, nitrogen and unreacted ammonia gas mixed gas are generated; after the gases are separated through a palladium membrane, high-purity hydrogen with the purity reaching up to 99.999% can be obtained. According to the device disclosed by the invention, three steps of heating, hydrogen production and purification are integrated, so that the loss of heat in the transfer process is effectively reduced, and the palladium membrane also promotes the movement of chemical reaction equilibrium towards the hydrogen production direction, so that the conversion rate of ammonia decomposition is improved.