156 results about "Semiconductor sensor" patented technology

The invention discloses a fire-proof gas concentration detection device for a coal mine goaf, and relates to the technical field of environment detection, the fire-proof gas concentration detection device comprises a cylinder, the side wall of which is provided with an air inlet for introducing to-be-detected air; the air outlet cylinder is connected to the upper end of the cylinder body, fan blades are rotationally arranged in the air outlet cylinder, and rotation of the fan blades drives air to enter from the air inlet and flow through the whole device; the funnel-shaped dust collection cylinder is connected to the lower end of the cylinder body, and a plurality of separation blades are distributed on the inner circumference of the funnel-shaped dust collection cylinder and used for preliminarily filtering and blocking dust impurities in the air, so that the purified air enters the cylinder body to be detected; the dust collection box is connected to the bottom of the dust collection barrel; the plurality of sensor cylinders are uniformly distributed on the inner circumference of the cylinder body, a connecting seat is arranged in each sensor cylinder, and a gas semiconductor sensor is mounted on each connecting seat; the device can improve the precision of gas concentration detection, flexibly adapt to different working conditions and realize intelligent cleaning and maintenance.

The invention discloses an aircraft environment monitoring method and system integrated with a semiconductor sensor. The method comprises the steps that S10, a semiconductor sensor array deployed on the surface of an aircraft is used for collecting temperature, humidity, air pressure, gas concentration and surface wind speed data in real time; s20, performing format standardization and error correction on the collected original environment data through a multi-channel data fusion engine, and constructing a unified input vector; s30, calculating a multi-dimensional fluctuation amplitude value of the input vector in the flight mission time window, and judging whether to trigger a high-frequency monitoring mode or not based on the value; s40, performing convolution fitting on the fluctuation amplitude value and a historical trend curve, and calculating a real-time environment disturbance index for updating a steady-state control parameter of the aircraft; s50, dynamically adjusting a control surface response strategy of the aircraft according to the disturbance index and synchronously generating a safety prompt level; and S60, uploading whole-process monitoring and response data to a ground monitoring center for intelligent optimization of model retraining and subsequent task planning.

The invention discloses an X-ray imaging diagnosis system based on a Timepix3 detector, and belongs to the technical field of plasma diagnosis. The system comprises a Timepix3 detector, a data server, an upper computer, a signal generator and a high-voltage power supply, the signal generator is used for performing remote control on the Timepix3 detector and providing pulses during plasma discharge to ensure that the Timepix3 detector acquires data in a trigger mode; the high-voltage power supply is used for providing bias voltage for a semiconductor sensor of the Timepix3 detector; the upper computer is used for sending an instruction to the Timepix3 detector to carry out data acquisition; and the data server is used for receiving and storing the collected data. The device can be applied to a plasma discharge experiment carried out in a Tokamak device, and has higher spatial resolution, stronger time resolution capability and capability of quickly acquiring an X-ray signal energy spectrum.

The invention discloses an indoor gas leakage monitoring and intelligent joint control system, and belongs to the technical field of intelligent safety monitoring systems. Comprising a sensing layer, a network layer, a control layer and a platform layer, the sensing layer comprises a multi-sensor array and an edge computing node, the multi-sensor array is combined with a catalytic combustion sensor, an infrared sensor, a semiconductor sensor and a temperature and humidity sensor, and sensor data are fused through a weighting algorithm so as to reduce the false alarm rate; a temperature and humidity sensor dynamically adjusts a detection threshold value to adapt to different climate conditions, and an edge computing node is deployed with a lightweight machine learning model. Through multi-sensor data fusion and a weighting algorithm, the false alarm rate is reduced to be smaller than 0.1% per year, environment self-adaptive calibration and AI auxiliary decision making are performed, interference of alcohol, perfume and the like is effectively eliminated, different climate conditions are adapted, leakage judgment is completed at an equipment end through edge calculation, cloud delay is avoided, a multi-stage emergency strategy is provided, and intelligent safe ecology driven by the Internet of Things is constructed.

The invention relates to the technical field of gas detection, in particular to a gas detection system and method based on an AI technology, and the system comprises a differential sensing module, a drift compensation processor, a dynamic risk assessment unit and a cloud-edge collaborative learning framework. Compared with the prior art which adopts a single-sensor independent compensation scheme and has the defects that the false alarm rate is high and long-term drift is difficult to correct under environmental interference, the scheme innovatively introduces a dual-mode differential sensing architecture and an adaptive drift compensation algorithm, a reference sensor is packaged in an inert gas environment, and the reference sensor and a main sensor are subjected to real-time collaborative analysis; the pre-trained lightweight neural network is combined to dynamically eliminate temperature and humidity cross interference, the detection precision and stability under complex working conditions are remarkably improved, and the aging distortion problem of the semiconductor sensor is effectively solved.

The invention discloses a beam halo detection device and method based on a semiconductor sensor. The device comprises the semiconductor sensor, a driving module, a data acquisition module and a processing module, a first end of the driving module is connected with the semiconductor sensor, a second end of the driving module is connected with a first end of the processing module, the driving module is used for moving the semiconductor sensor along a first direction to scan a beam halo, and a second end of the semiconductor sensor is connected with the data acquisition module; the semiconductor sensor is used for generating a corresponding radio frequency electric signal according to a scanning signal of the beam halo; the data acquisition module is used for receiving radio frequency electric signals and transmitting the signals to the processing module; and the processing module calculates the beam halo distribution of the beam halo according to the radio frequency electric signal. According to the beam halo detection device provided by the invention, the beam halo is detected through the semiconductor sensor so as to obtain beam halo distribution, so that the beam halo detection device not only has an enough high signal-to-noise ratio, but also can realize a measurement dynamic range greater than 106.

The invention relates to a composite low-power-consumption combustible gas sensor system, which comprises a sensor PCBA2, and the sensor PCBA2 comprises an MCU main control circuit used for carrying out data analysis on a sensor; the MCU power supply circuit is used for providing a stable power supply for the MCU circuit; the semiconductor sensor power supply circuit provides a stable power supply for the semiconductor sensor; the semiconductor sensor signal conditioning circuit is used for conditioning a semiconductor sensor signal into a voltage signal which can be effectively measured; the catalytic sensor power supply circuit provides a stable power supply for the catalytic sensor; and the catalytic sensor signal conditioning circuit is used for conditioning a catalytic sensor signal into a voltage signal which can be effectively measured. With the adoption of the composite low-power-consumption combustible gas sensor system, the requirements of detection precision and low power consumption are mainly met, battery power supply and concentration display can be realized at low cost, and the power consumption of a product can be effectively reduced, so that a combustible gas detector powered by a battery can be realized at relatively low cost; the blank of the scheme in the current market is filled.

The invention relates to the technical field of semiconductor gas sensors for gas detection, in particular to an in-situ construction method and application of a gas sensor for volatile aroma substance detection, and the in-situ construction method comprises the following steps: mixing an aqueous solution of zinc nitrate hexahydrate and an aqueous solution of 2-methylimidazole according to different molar ratios to obtain a precursor solution; upwards fixing a planar electrode on the surface of a glass slide, and then transferring the planar electrode into the precursor solution; carrying out hydrothermal reaction on the precursor solution at 90 DEG C for 4 hours, after the hydrothermal reaction is finished, cooling to normal temperature, taking out the glass slide, washing the surface of an electrode by using deionized water, removing impurities, and then carrying out drying treatment; calcining the obtained dried electrode in an air atmosphere at 500 DEG C for 2 hours to construct an in-situ growth semiconductor sensor; according to the present invention, the rapid sensing response on nine volatile aroma substances is achieved, and the excellent gas sensitive characteristic is represented in the gas sensitive research on the volatile substance ocimene in the volatile aroma substances.

The present invention discloses a method and device for detecting aviation kerosene concentration based on a composite sensor, which has the characteristics of high response speed, high sensitivity, low anti-interference and accurate and reliable detection data. A portable warning device for kerosene concentration based on a composite sensor is designed, which includes the following detection steps: step 1, synchronous detection of kerosene concentration by using a sensor detection unit, realizing synchronous detection of kerosene vapor by a semiconductor sensor module and an infrared sensor module; step 2, determination and output of the result of the sensor detection unit by using a composite determination unit, realizing rapid response to kerosene vapor and obtaining high-precision detection data; step 3, the integrated warning unit realizes real-time monitoring and warning of kerosene concentration information through data transmission with the composite determination unit. The present invention integrates composite sensing design and determination technology, and combines the warning unit to realize a portable warning device applied to aviation kerosene transportation channels.

The invention discloses a main shaft lifting and rotating device for vapor deposition equipment and a using method, and relates to the technical field of vapor deposition equipment.The main shaft lifting and rotating device comprises a support, a chemical vapor deposition furnace is fixedly installed on the top face of the support, and a furnace door is installed on the front side wall of the chemical vapor deposition furnace through a connecting piece; the lifting and rotating mechanism is arranged in the furnace door, the lifting and rotating mechanism comprises a base, a mounting groove is formed in the top surface of the base, a servo motor is fixedly mounted in the mounting groove, and the top surface of the base is rotationally connected with a main shaft body. Real-time monitoring and accurate control of the concentration of mixed gas in the reaction chamber are achieved, an electrochemical sensor, a resistance-type semiconductor sensor and a heat-conducting gas sensor in the detection assembly can accurately measure the concentration of methyl trichlorosilane, the concentration of hydrogen and the concentration of argon respectively, and comprehensive monitoring of gas components in the reaction chamber is guaranteed.

The invention discloses a wearable device based on semiconductor multi-parameter physiological signal monitoring and a control method thereof, and belongs to the technical field of physiological signal acquisition, the wearable device comprises a wearing bracelet, the inner wall surface of the wearing bracelet is provided with a mounting groove; the integrated main body is arranged in the mounting groove, and at least two semiconductor sensors for monitoring different physiological signals are integrated on the integrated main body; the flexible collecting part is fixedly attached to the inner wall surface of the wearing bracelet, and a plurality of sweat collecting points which are uniformly distributed at intervals are arranged on the surface of the flexible collecting part. According to the wearable device and the control method thereof, physiological signals such as the heart rate, the blood pressure and the blood oxygen saturation degree and information such as the electrolyte concentration in sweat can be accurately collected, convenient, efficient and comprehensive health monitoring is provided, and a user is helped to know the physical condition of the user in real time.

The invention discloses an application of a charge transfer coated semiconductor material in a gas sensitive sensing device, and belongs to the technical field of semiconductor sensor materials. The application comprises the following steps: enabling the charge transfer coated semiconductor material to be in contact with gas to be detected; the charge transfer coated semiconductor material is a gas sensitive material formed by coating an organic component on the outer surface of an initial semiconductor through a charge transfer effect. According to the invention, the carrier mobility and the charge separation state life of the semiconductor are improved by utilizing the existence of charge transfer interaction, so that the gas detection sensitivity is improved, the working temperature is reduced, and the selectivity of the gas is improved by utilizing the redox characteristic of the organic coating component outside the semiconductor. The application of the invention not only retains the basic properties of the initial semiconductor, but also reduces the application cost by simplifying the material preparation mode, and has universality.

The invention discloses a sensor for detecting gas based on a two-dimensional material, and relates to the technical field of semiconductor sensors and battery safety. In order to solve the problems that an existing lithium ion battery management system lags in early warning and a traditional sensor is difficult to integrate and not resistant to corrosion, flexible polyimide is used as a substrate of the sensor, a back gate type two-dimensional material field effect transistor serves as a core, and a gate dielectric layer is arranged between a gate and a two-dimensional material channel in a spaced mode. A functional modification layer is arranged on the surface of the channel to improve the gas recognition specificity, a breathable hydrophobic layer covers one side deviating from the gate dielectric layer, and the breathable hydrophobic layer is matched with a passivation layer and a sensing window to form anti-corrosion packaging. The sensor can be implanted into a battery, real-time in-situ detection of ppb-level trace characteristic gas is realized through an adsorption-charge transfer-field effect amplification mechanism, and the sensor is linked with a BMS (Battery Management System) to realize ultra-early warning of thermal runaway. The device has the advantages of flexibility, easiness in integration, high sensitivity, corrosion resistance and long service life, and the safety management level of the battery is greatly improved.

The present invention provides a technology for identifying or quantifying allergens such as pollen, mold, and mites.　This detection device uses a plurality of semiconductor sensors. With respect to the same gas component, the plurality of semiconductor sensors indicate relatively different response characteristics. The detection device: acquires signal patterns detected by the plurality of semiconductor sensors; identifies or quantifies an allergen from the plurality of signal patterns; and outputs a result of identification or quantification.

The invention relates to the field of semiconductor MEMS (Micro Electro Mechanical System) devices, and discloses a medium-high-entropy alloy air suction target material which is composed of a main element A, an element C and an element B. The content of the main element A is 25-40 at%, the content of the element B is 30-45 at%, and the content of the element C is 30-45 at%; the formula equation is as follows: A < 25-40 > B < 30-45 > C < 30-45 >; the main element A is selected from one or two of V and Co; the element C is selected from one or more of Fe, Pr, Y, Gd, Nd, Er, Sm and Ce. And the element B is selected from one or two of Ti and Zr. According to the invention, the problem of serious contradiction between the air suction performance and the mechanical property of the current semiconductor MEMS sensor packaging material is solved by utilizing the advantages of rich or multi-principal-element alloy, high mixing entropy and the like in the medium-high-entropy alloy.

The invention discloses a continuous detection system for a gas alarm in the technical field of gas detection, the system can be carried on an intelligent computer with a processor for use, a control end needs to be provided with a plurality of gas sensors, and the continuous detection system comprises a sensor unit and a control unit, the system is composed of high-sensitivity electrochemical and semiconductor sensors, and the multiple sensors can detect gas concentration changes as low as ppm level and are responsible for collecting and processing gas samples in real time so as to ensure that the system can accurately monitor and give an alarm; and a data processing unit. Compared with the prior art, the continuous detection system provided by the invention provides higher reliability and real-time performance for the gas alarm. Through an advanced sensor technology and intelligent data processing, quick response to harmful gas and accurate alarm are ensured. In addition, in combination with a renewable energy power supply design, the independence and the application range of the equipment are greatly improved, and the device is particularly suitable for being used in remote areas or areas with unstable electric power.

The invention discloses a household wall-mounted combustible gas detector. A composite sensor unit comprises a semiconductor sensor and a catalytic sensor; the signal processing circuit is connected with the composite sensor unit; the control and communication module comprises an MCU and a LoRaWAN communication module. The MCU performs analysis, logic control and communication functions on sensor data; the LoRaWAN communication module performs data interaction with the outside; the control system has a multi-sensor cooperative detection mechanism, the semiconductor sensor is started when the concentration is low according to a set threshold value, the catalytic sensor is switched when the concentration is high, and the data of the semiconductor sensor and the catalytic sensor are fused to improve the full-scale detection reliability. Through cooperative work of a semiconductor sensor and a catalytic sensor in the composite sensor unit, full-scale coverage from trace leakage to dangerous concentration is realized. The semiconductor sensor ensures early-stage rapid early warning under low concentration, and the catalytic sensor keeps stable precision at a high concentration section, so that the problem that the range of a single sensor is limited is effectively solved.

A gas detection method according to an embodiment of the present technology includes heating a semiconductor sensor that includes an absorption layer that includes a metal oxide; measuring a resistance value of the semiconductor sensor in an air atmosphere in which there exists a reducing gas; and determining that the reducing gas includes a detection-target substance when the measured resistance value is larger than another resistance value in a first temperature range, and when the measured resistance value is smaller than the other resistance value in a second temperature range in which a temperature is higher than a temperature in the first temperature range, the other resistance value being a resistance value of the semiconductor sensor in an air atmosphere in which there exists no reducing gas.

The present invention relates to a high-entropy rare earth chromate high-temperature negative temperature coefficient thermistor material, belonging to the field of semiconductor sensors, and aims to solve the existing perovskite structure high-temperature NTC material. Under high temperature environment, the Cr element in the system will volatilize in the form of gaseous CrO3, showing poor high-temperature aging stability. The high-temperature negative temperature coefficient thermistor material uses lanthanum trioxide, neodymium trioxide, samarium trioxide, europium trioxide, gadolinium trioxide and chromium trioxide as raw materials, and undergoes wet three-dimensional vibration ball milling, powder calcination, cold isostatic pressing, and high-temperature sintering to obtain a perovskite structure (La 0.2 Nd 0.2 Sm 0.2 Eu 0.2 G 0.2 )CrO3 thermosensitive material. The electrical performance parameters of this series of materials are: B 0℃ / 1300℃ =2044±1.42%K,ρ 1300℃ =1.45×10 3 ±1.73%Ω·cm. The high-entropy rare earth chromate high-temperature negative temperature coefficient thermistor (La 0.2 Nd 0.2 Sm 0.2 Eu 0.2 G 0.2 )CrO3 has excellent negative temperature coefficient characteristics in the temperature range of 0~1300℃, and shows good high temperature aging stability at high temperatures (the resistance drift rate is only 4.35% after aging for 500 hours at 1300℃).

The invention relates to the technical field of tea aroma detection, in particular to a noble metal-sensitized volatile aroma substance sensor construction and detection method, which comprises the following steps: dissolving zinc acetate dihydrate, urea and trisodium citrate dihydrate in deionized water to obtain a mixed precursor solution; controlling the hydrothermal reaction of the precursor solution; after naturally cooling to room temperature, washing, centrifuging, drying and calcining to obtain a zinc oxide material; the preparation method comprises the following steps: impregnating a zinc oxide material with deionized water, adding an ammonium carbonate solution while stirring, stirring, and then adding a noble metal solution to obtain a noble metal modified zinc oxide mixed solution; centrifuging, drying and calcining to obtain a powder zinc oxide loaded noble metal material; dissolving the zinc oxide loaded noble metal material in ethanol, performing ultrasonic treatment to form turbid liquid, and further dispensing the turbid liquid to the surface of a planar electrode to construct a semiconductor sensor for detecting tea aroma; the sensor prepared by the method has excellent sensing characteristics of high sensitivity, high stability and the like on tea aroma.

The present invention belongs to the technical field of hydrogen sensors, and in particular, is a sensor suitable for testing hydrogen gas concentrations above 1%. The present invention is aimed at the difficulty of semiconductor-based gas sensors in sensing high-energy concentration hydrogen. Considering that precious metals such as palladium, gold, and platinum have selective adsorption of hydrogen and catalytic overflow effects on hydrogen, the activation energy of the reaction is reduced, and the synergistic effect of precious metals and semiconductors is used to increase the upper limit of hydrogen detection. A porous tin oxide or indium oxide porous film doped with precious metals is prepared as a semiconductor sensor device for detecting high-concentration hydrogen. The semiconductor high-concentration hydrogen sensor can detect hydrogen gas with a concentration of more than 1%, and has good reusability.

The invention provides a gas detection system based on a multifunctional sensing technology and application thereof, and belongs to the technical field of sensing. The gas detection system comprises a gas collecting and processing module, a sensing detection module and a signal processing and analyzing module, and the sensing detection module comprises a metal oxide semiconductor sensor unit, a black phosphorus material modified transistor unit and a hollow-core optical fiber enhanced Raman spectrum detection unit. The multi-dimensional gas detection device is used for performing multi-dimensional detection on treated gas, and high-sensitivity and high-selectivity detection on various gases is realized. The gas detection system can accurately judge the type and concentration of gas through cooperative work of all the modules, has the advantages of quick response, real-time monitoring, high stability and reliability and the like, provides a comprehensive solution for gas monitoring, and is suitable for multiple fields such as environment monitoring, industrial safety, medical health or smart home / intelligent traffic and the like.

The present invention provides a solid-state circuit breaker comprising: a power semiconductor which can be provided in a current loop to conduct or cut off a current; the energy absorber is connected to the power semiconductor in parallel; a sensor for sensing an electrical signal; the control unit is configured to receive the electric signals and control on and off of the power semiconductors based on the electric signals, the energy absorber comprises a plurality of MOV groups which are connected in parallel, each MOV group is connected with a switch in series, and the switch is connected with the power semiconductors in parallel. The control unit is further configured to control the switches to be switched on and switched off so that the MOV sets corresponding to the switched-on switches can absorb energy needing to be released by the current loop when the power semiconductor is switched off, and each MOV set comprises at least one MOV.

This semiconductor sensor (100) comprises: a semiconductor detection element (3); a detection chamber (7) to the inside of which the semiconductor detection element (3) is fixed; a signal terminal (11) that has one end side exposed to the inside of the detection chamber (7) and the other end side exposed to the outside from the detection chamber (7) and outputs an electric signal output from the semiconductor detection element (3) to the outside; a wire (10) that connects the semiconductor detection element (3) and a signal terminal exposure part (11a) that is a part on the one end side of the signal terminal (11) exposed to the inside of the detection chamber (7); and a protective film that continuously covers the semiconductor detection element (3), the wire (10), and the signal terminal exposure part (11a). The protective film is an inorganic barrier film (19).

The application provides a kind of deodorization equipment, including support frame and control module, the support frame is connected with support frame on buffer damping member, the right end of the support frame is provided with first purification part, the left end of the support frame is provided with second purification part, the air inlet of the first purification part is connected with air inlet pipe, the outer side of the air inlet pipe is provided with multi-modal perception module and environmental parameter acquisition module, the multi-modal perception module includes electrochemical gas sensor array for detecting the concentration of multiple specific gases, and metal oxide semiconductor sensor for detecting the intensity of environmental comprehensive odor;The environmental parameter acquisition module is used to collect environmental temperature and humidity data;The left of the support frame is provided with a controller, and the controller is provided with the control module;The application can realize real-time monitoring of environmental odor changes, adaptive adjustment of purification intensity, effective reduction of energy waste, improvement of deodorization efficiency and adaptation to various odor types.

The invention discloses a combustible gas alarm, and belongs to the field of alarms, the combustible gas alarm comprises an alarm main body and a detection head fixedly mounted with the alarm main body, an exhaust cavity is formed in the alarm main body, a standing cavity is also formed in the alarm main body, and external air can enter the standing cavity through the detection head. A semiconductor sensor is fixedly installed on the inner wall of the groove. Through the arrangement of the standing cavity, the electric telescopic rod, the first one-way valve, the semiconductor sensor and the piston disc, the electric telescopic rod works to drive the piston disc to move up and down, and gas stands in the standing cavity, so that the influence of air flow entering from the outside of the alarm main body is reduced; therefore, the semiconductor sensor has enough time to detect the content of the methane gas in the standing cavity, and the situation that the gas which is being detected by the semiconductor sensor is not completely detected and the part which is not completely detected is blown away by new gas is reduced, so that the detection accuracy of the semiconductor sensor is improved.

A system and method for analyzing an air sample from a human uses a collection module that has a plurality of metal oxide semiconductor sensors that have different resistance responses to different gaseous compounds. A detector circuit reads the output of the sensors as analog signals for both ambient air and the air sample from the human. The ratios of the analog signals from ambient air and from the air sample can be compared to similar information from other health and unhealthy human subjects to determine the health status of the human. In one embodiment the system is used for breath analysis.

The invention discloses a GIS partial discharge rapid positioning method based on a multi-normal projection principle, and relates to the technical field of partial discharge on-line monitoring, a three-dimensional photoelectric array formed by silicon optical semiconductor sensors is used for obtaining a partial discharge signal amplitude, a direction vector is constructed, and a unit direction is obtained through solving a local intersection point. And further combining with least square optimization of multi-unit rays to obtain initial position estimation of the partial discharge source. On the basis, an amplitude correction and iteration updating mechanism is introduced, observation data are corrected, and a real position is gradually approached, so that high-precision three-dimensional partial discharge source positioning in a complex electromagnetic environment is realized. Through the combination of the silicon optical sensor three-dimensional array and the improved multi-vector projection iterative algorithm, high-precision partial discharge positioning can be realized in a complex electromagnetic environment, the operation reliability and the operation and maintenance efficiency of equipment are remarkably improved, and the method has a wide engineering application prospect.

The invention provides a fire alarm method, device and equipment and a medium. The method comprises the steps that when a gas-sensitive semiconductor smoke alarm device is powered on for the first time, the first conductivity of a gas-sensitive semiconductor sensor is determined according to a first temperature value and a first humidity value in the environment, and the first conductivity is converted into a first voltage value; after preheating of the alarm device is finished, second conductivity of the sensor is monitored and converted into a second voltage value; when the second voltage value is larger than the first voltage value, the alarm device is controlled to be powered off and then powered on again, and third conductivity of the gas-sensitive semiconductor sensor is monitored and converted into a third voltage value; determining a second temperature value and a second humidity value in the environment to determine a fourth conductivity of the gas sensitive semiconductor sensor and convert it into a fourth voltage value; and fire alarm is carried out according to the first temperature value, the second temperature value, the first voltage value, the second voltage value, the third voltage value and the fourth voltage value. Therefore, the fire alarm accuracy can be effectively improved with low cost.

The invention discloses a multi-modal sensor array-based fire regulation field gas detection device and method, and particularly relates to the technical field of gas detection, the device comprises a detection groove disc, a wireless controller, an electrochemical sensor and a gas detection assembly; the gas detection assembly comprises a metal oxide semiconductor sensor, a carbon dioxide infrared sensor, a PID sensor, a temperature and humidity sensor, a gas pressure sensor, a plurality of positioning cylinders, two elastic sheets, a sliding column and a triangular guide block. According to the invention, the gas detection assembly is adopted and has the advantages of ensuring that each sensor can accurately detect different gases in turn according to a specified fire coordinate position and improving the accuracy of multi-modal array detection of fire regulation field gases, so that the problem that in the detection process of the multi-modal sensor array, the detection accuracy of the multi-modal sensor array is influenced due to limitation is solved. It is difficult to ensure that each sensor can accurately detect different gases according to a specified fire coordinate position, so that the accuracy of the whole detection result is influenced.