2544results about "Measurement apparatus components" patented technology

The invention discloses an equipment health state dynamic prediction method fusing digital twinning and multi-scale evaluation, and relates to the technical field of equipment health prediction of an active launching platform, and the method comprises the steps: laying multiple types of sensors on a mechanical structure layer, a hydraulic execution layer, an electric control layer and an environmental action layer of the active launching platform; multi-source operation data such as stress strain, pressure torque, temperature power and environment load are collected in real time, and a standardized input parameter set is formed; and constructing a multi-layer digital twinborn model, forming a multi-scale twinborn mapping matrix, calculating a healthy coupling evolution coefficient, and evaluating the stability of the multi-layer collaborative structure of the platform. Calculating a multi-scale stability coefficient, and updating the multi-scale twin mapping matrix; and calculating a dynamic prediction driving index to realize prediction reliability judgment and digital twin model self-learning updating. And a health prediction closed loop of digital twinning and physical equipment is realized.

The invention relates to an intelligent soft rock tunnel surrounding rock deformation automatic monitoring and early warning system, and belongs to the field of tunnel construction safety monitoring. According to the system, multi-source data of surrounding rocks are synchronously acquired through a micron-sized laser displacement sensor, a fiber grating strain sensor, a pore water pressure sensor and a three-dimensional micro-seismic sensor array which are distributed; the edge calculation node fuses the data in real time and calculates the displacement rate, the strain gradient and the osmotic pressure coupling coefficient, and local early warning is triggered in combination with a dynamic threshold value; the cloud early warning platform predicts a deformation trend based on an LSTM-Transform fusion model, generates a multi-stage early warning signal through a risk grading engine, and is linked with the supporting equipment to regulate and control pressure; and meanwhile, a self-calibration device, an explosion-proof shell and a piezoelectric-thermal energy self-powered system are integrated. According to the method, closed-loop control from millimeter-level deformation sensing to active supporting can be achieved, and tunnel construction safety is remarkably improved.

The invention discloses a leveling device and leveling equipment, relates to the technical field of mine blast hole environment detection, and aims to solve the technical problem that the accuracy of a detection result is affected as an existing hole environment detection device is easily in an inclined state during use. The leveling device comprises a base, an adjusting assembly, a mounting frame, a gradienter and a control module, wherein the adjusting assembly is connected with the base; the mounting frame is connected with the hole environment detection device, the gradienter is arranged on the mounting frame, and the mounting frame is in transmission connection with the adjusting assembly; the control module is electrically connected with the gradienter and the adjusting assembly. The leveling device is connected with the hole environment detection device through the mounting frame, the control module can automatically drive the adjusting assembly to adjust the space posture of the mounting frame according to the deflection angle data fed back by the gradienter, it is ensured that the mounting frame is always kept in the horizontal state, and the posture of the hole environment detection device is synchronously corrected; and the detection result accuracy of the hole environment detection device is improved.

The invention provides a force and acceleration composite sensor with a calibration function and a working method, and belongs to the field of composite sensors, the force and acceleration composite sensor with the calibration function comprises a test base, the test base is provided with a test through hole, and the test through hole is provided with a mounting hole; a pressure sensitive diaphragm II and a pressure monitoring core body are mounted in the mounting hole; an impact head limiting and fixing upper base is mounted on the test base, an impact head is mounted in a sliding through hole of the impact head limiting and fixing upper base, a first pressure sensitive diaphragm is arranged at the lower end of the impact head, and an acceleration monitoring core body is mounted at the lower end of the first pressure sensitive diaphragm; a third pressure sensitive diaphragm is installed at the bottom of the test through hole, a calibration base is arranged at the lower end of the test base, a calibration groove is formed in the calibration base, and a standard pressure sensor and a tested pressure sensor can be installed on the side wall of the calibration groove. The device has the beneficial effects that the device has multiple advantages of synchronous monitoring of force and acceleration, flexible impact resistance and integrated calibration.

The invention relates to the technical field of circuit breaker state monitoring, in particular to a digitization-based movable circuit breaker operating mechanism monitoring device, which comprises a multi-node signal acquisition monitoring force, speed, displacement, vibration and environmental data, classification and integration to generate multi-source signals, analysis of impact starting, action and recovery stage identification key areas, and analysis of the impact starting, action and recovery stage identification key areas. Combining the environment signal correction force and vibration characteristics, extracting correction characteristics, identifying and adjusting abnormal deviation, and evaluating action coordination and stability to generate a state report. According to the invention, signals of displacement, force, speed, vibration and the like during operation of the circuit breaker are acquired in real time through multiple sensors, and the equipment state is analyzed comprehensively and accurately. Vibration and force signals are analyzed in stages, the impact process is divided into three stages of starting, acting and recovering, and an influence area is accurately positioned. Interference of temperature and humidity on signals is corrected, and data accuracy is ensured. The equipment is adjusted to a standard range according to the deviation, thereby reducing abnormal and fault risks, and improving the stability and reliability of the equipment.

The utility model provides a composite side slope monitoring device. The composite side slope monitoring device comprises a monitoring box body and a remote monitoring terminal, the monitoring box body can be buried in soil of a slope in a pick-and-place manner, and a sensor, a signal processing unit and a power supply unit are arranged in the monitoring box body; the sensor comprises a water content sensor for monitoring the water pressure change in soil, a soil pressure sensor for monitoring the pressure change of the soil, and a displacement and inclination sensor for monitoring and recording the displacement and inclination angle of the slope structure; the signal processing unit converts analog signals of the sensors into digital signals and transmits the digital signals outwards. The power supply unit is electrically connected with the sensors and the signal processing unit; the remote monitoring terminal is in signal connection with the remote transmitter and receives monitoring signals of the remote transmitter. The provided composite slope monitoring device can solve the problems that in a traditional soil slope monitoring scheme, arrangement of sensors is complex, and data collection is difficult, and the accuracy and real-time performance of geological disaster early warning are effectively improved.

The invention provides a calibration assembly and a four-wheel positioning calibration device.The calibration assembly comprises a calibration base body and a plurality of calibration assemblies, the calibration base body defines at least two calibration directions parallel to the calibration base body, the calibration assemblies are arranged on the calibration base body, and projections of the calibration assemblies in the calibration directions do not coincide with one another; and the heights of the plurality of calibration assemblies on the calibration seat body are different. According to the technical scheme, the calibration seat body is provided with the plurality of calibration assemblies of which the projections in the calibration direction do not coincide, so that the four-wheel positioning measurement device can obtain the images of the plurality of calibration assemblies in the calibration direction, and the images of the plurality of calibration assemblies can provide more coordinate values for mutual calibration; therefore, the accuracy of the calibration result is improved, and the accuracy of the tire positioning information detected by the four-wheel positioning measurement device is further improved.

The invention provides a coal mine subsidence area earth surface deformation monitoring device, and relates to the technical field of monitoring devices.The coal mine subsidence area earth surface deformation monitoring device comprises a fixing bottom plate, a supporting structure is arranged on the fixing bottom plate, an adjusting structure is arranged on the fixing bottom plate in a sliding fit mode, a fixing structure is arranged on the adjusting structure, and a locking structure is arranged between the adjusting structure and the fixing bottom plate; a detection structure is arranged in the supporting structure, a monitoring structure is arranged on the supporting structure, the detection structure corresponds to the adjusting structure, a pushing structure is arranged between the supporting structure and the detection structure, a stabilizing structure is arranged in the detection structure, and the stabilizing structure corresponds to the pushing structure. According to the device, the adjusting structure is slidably installed on the fixing bottom plate, the fixing structure is installed on the adjusting structure, the fixing position of the fixing structure can be adjusted through the adjusting structure, and therefore the device can be well fixed to the ground according to needs, the stability of the device is guaranteed, and the position of the adjusting structure can be locked through the locking structure.

The invention relates to the technical field of underwater monitoring equipment, in particular to an underwater sensor data acquisition device with a self-cleaning function and a method thereof.The underwater sensor data acquisition device comprises a storage plate used for installing a plurality of sensors, a cleaning box arranged on the storage plate in a sleeving mode and a water storage tank used for supplementing water to the inner space of the cleaning box; storage barrels are arranged on a center shaft of the top face of the storage plate at intervals, the bottom faces of the storage barrels are sleeved with a plurality of sensors, a lifting barrel arranged on the storage barrels in a sleeving mode is fixedly arranged on a center shaft of the top of the cleaning box, and a water suction pump is installed on the outer wall of the lifting barrel. By means of a sleeving structure of the lifting cylinder and the storage cylinder and a water suction pump, clear water is sucked into the lifting channel and pumped into the lifting channel, the storage cylinder and the storage plate are driven to ascend and descend, and when underwater monitoring needs to be carried out, a sensor can be lowered to the outside of the cleaning box; and when the monitoring period reaches the requirement for cleaning, the sensor can be lifted into the cleaning box for cleaning, so that good conditions are provided for working and cleaning of the sensor.

The utility model relates to the field of automatic detection, in particular to a detection arm for an automatic detector, which comprises a movable sliding table which at least performs reciprocating rectilinear motion along a horizontal single degree of freedom and is provided with a movable execution end; the upper end part of the lifting mechanism is fixedly connected with the movable execution end of the sliding table, and the movable end can vertically lift relative to the upper end part; the fixed end of the telescopic device is fixedly connected with the movable end of the lifting mechanism, and the telescopic execution end of the telescopic device is fixedly connected with the hollow supporting seat; the middle sleeve is rotatably supported in an inner cavity of the hollow supporting seat through the bearing, the hollow shaft motor is circumferentially fixed with the periphery of the middle sleeve to drive the middle sleeve to rotate, and the middle sleeve is provided with an inner hole. The efficiency and reliability of an automatic detection process are effectively improved, the requirements of high throughput, high precision and low pollution of grain detection are met, and higher detection efficiency and accuracy are provided for grain safety detection.

The invention relates to an underground water quality on-line automatic monitoring station which comprises a monitoring station main body, a multi-parameter sensor, a pump and a solar power supply system, the multi-parameter sensor and the pump are arranged underground, a plurality of layers of partition plates are arranged in the monitoring station main body, a plurality of mounting layers are formed from top to bottom, and a control box is mounted at the top of the uppermost partition plate; a monitoring instrument is installed on the monitoring station body, a voltage stabilizer and a UPS are sequentially arranged at the position of a partition plate below the monitoring instrument and electrically connected with a battery pack to form a standby power supply system, a reagent container is arranged at the position adjacent to the battery pack, a measuring pool is arranged at the bottom in the monitoring station body, and a liquid outlet of the measuring pool is communicated with a waste liquid and waste water collecting device. According to the invention, through reasonable partition arrangement of multiple layers of partition plates, real-time monitoring and data uploading of underground water are realized, dual-power-supply guarantee is provided, operation is stable, waste liquid is collected, treated and detected in a centralized manner, and secondary pollution is effectively avoided.

There is provided a sensor unit for a fastener assembly, the sensor unit comprising a mounting arranged to rigidly attach the sensor unit to, or adjacent to, a fastener assembly; and a sensor, that is an optical flow sensor or an inductive sensor, configured to sense movement of the fastener assembly. The sensor unit may comprise a processor arranged to process the output of the sensor to detect loosening of the fastener assembly and to output a signal representing the status of the fastener assembly. The sensor unit may comprise a wireless communication unit arranged to communicate the signal.

The invention provides an eddy current sensor signal noise reduction method based on frequency division detection low-pass filtering and a monitoring system, belongs to the technical field of sensor signal processing, and can at least partially solve the problems of unstable signals and inaccurate measurement in the prior art. The signal noise reduction method for the eddy current sensor comprises the following steps: processing an original output signal of the eddy current sensor by adopting a synchronous detection module, demodulating a dynamic vibration alternating current component of the original output signal into a direct current voltage signal by utilizing a reference signal, and separating a static displacement direct current component signal; an independent dynamic signal channel and an independent static signal channel are formed; filtering high-frequency noise in the dynamic signal channel through a dynamic channel low-pass filter with a first preset cut-off frequency, and filtering power frequency interference in the static signal channel through a static channel low-pass filter with a second cut-off frequency; and reversely injecting compensation voltage at the output end of the static channel low-pass filter so as to eliminate the direct-current offset error of the static displacement component signal.

A metrology apparatus includes an indexed articulated joint including: first and second relatively reorientable bodies, respectively having mutually engageable engagement elements, which can be locked together in different angular orientations about a first axis to provide a plurality of angularly indexed positions of the bodies; at least one verification sensor configured to provide a measure of the relative spatial configuration of bodies when in their locked state; and wherein the apparatus is configured such that when the bodies lock together at an indexed position, the sensor measures the relative spatial configuration of the bodies, and wherein information obtained from the measure is compared to calibration information obtained from at least one other measure of the relative spatial configuration of the bodies when the bodies were locked at said indexed position at an earlier point in time, in order to establish information about the state of engagement of the bodies.

A calibration bracket is provided. The calibration bracket includes a base, a support rod and a hanger. The support rod is movably connected to the base. The hanger is mounted to the support rod. The base has an abutting face. The support rod includes a main rod and an angle adjustment structure. The main rod is connected to the angle adjustment structure. The angle adjustment structure is connected to the base. The angle adjustment structure is rotatable relative to the base. A range of angular rotation of the support rod is controlled by limiting positions in which the main rod of the support rod and the angle adjustment structure abut against the base. The support rod is rotatable within the range of angular rotation relative to the base. The hanger is mounted to the support rod and is configured to hang a calibration element on the support rod.

The invention relates to the technical field of spring detection, in particular to a detection device for a spring. Comprising an inspection frame, a rotating motor, a PLC, a multidirectional motion platform, a clamping frame and a carrying platform, the inspection frame is connected with a moving frame through a first linear transmission module, the moving frame is provided with a multi-degree-of-freedom vibration platform, the multi-degree-of-freedom vibration platform is connected with a horizontal sliding seat which synchronously, horizontally and vertically moves, and the reciprocating stroke of the horizontal sliding seat periodically changes. The horizontal sliding seat and the carrying platform are both connected with the multi-direction moving platform, two electric push rods are connected between the clamping frame and the carrying platform, a clamping driving piece is arranged on the clamping frame, two symmetrically-arranged clamps are connected to the clamping driving piece, and a driven clamping seat is rotationally installed on one clamp. Through the linkage design of the clamping frame, the electric push rod, the conversion frame, the multidirectional motion platform and the PLC, the problem that mechanical detection and appearance detection of an existing spring detection device are scattered is solved.

The invention relates to the technical field of risk analysis, in particular to a water conservancy project risk assessment method based on big data, which comprises the following steps: acquiring deformation and water level signals and converting the signals into a sequence, generating an original monitoring sequence based on a timestamp, identifying a whole process span and intercepting and generating a periodic data set, generating a complete monitoring sequence by using interpolation filling, constructing a water level displacement closed curve, calculating a vector product difference value to obtain a geometric area, calculating an arithmetic mean value to generate a centroid coordinate, obtaining a dissipated energy increase coefficient and a structure permanent deformation cumulant, and generating an evaluation result based on threshold comparison. According to the method, the two-dimensional phase space model is established, the structure response is converted into the closed trajectory curve, the hysteresis loop area and centroid offset are calculated, energy dissipation and deformation accumulation of the structure under cyclic loading are quantitatively represented, abnormal plastic damage is effectively stripped, and early recognition of the potential irreversible damage risk of the structure is achieved.

The invention belongs to the technical field of mining monitoring, and particularly relates to a strip mine working face real-time monitoring device which comprises an inserting rod support, a transverse rotating frame, a sliding U-shaped frame, a hollow fixing plate, an inclination angle monitoring assembly, a displacement assembly and a deformation monitoring assembly. The transverse rotating frame is fixedly connected to the outer side of the dip angle monitoring assembly, the sliding U-shaped frame is slidably clamped to the outer side of the transverse rotating frame, and the deformation monitoring assembly is slidably connected to the bottom of the hollow fixing plate; the device is additionally provided with a plurality of groups of flexibly rotating inserted link brackets, and the inserted link brackets can be stably mounted in a slope area which is difficult to approach, so that the monitoring device can be widely applied to various mine slopes in complex terrains, and even if the slope deforms, the monitoring device can be kept static relative to the surface of the slope; therefore, the actual offset of the side slope is accurately measured, and the monitoring error caused by relative displacement of a traditional device is avoided.

The invention discloses an integrated construction platform safety monitoring method and system for urban updated residences, and relates to the technical field of safety monitoring, and the method comprises the following steps: laying a sensing network to collect stress strain, displacement, inclination angle, load and vibration data in real time; performing abnormal value elimination on the data based on time-space consistency; constructing a collaborative monitoring index system comprising a stress stability index, a load balance index, an attitude deviation index and a wind vibration response index; establishing a multi-parameter fusion safety evaluation model, identifying a stress anomaly region by dynamically distributing index weights, and introducing an environment correction coefficient to obtain a fusion safety evaluation value; and setting a grading early warning range based on the evaluation value, triggering corresponding grade early warning, and synchronously executing a safety regulation action. According to the invention, through multi-parameter cooperative monitoring, abnormal data intelligent identification, whole-field stress distribution reconstruction and environmental factor quantitative correction, the intelligent level of building machine construction safety monitoring is improved.

The invention discloses an anti-freezing device for a winter hydrological monitoring system in a severe cold area, and the anti-freezing device comprises water disturbance equipment which is provided with a water outlet located in water in a hydrological monitoring cylinder. And the water disturbance equipment continuously conveys water to water in the hydrological monitoring cylinder through the water outlet so as to disturb the water in the hydrological monitoring cylinder. According to the device, disturbance equipment, such as a submersible pump or a centrifugal pump, is integrated in a hydrological monitoring cylinder through an integrated frame; the disturbance equipment goes deep into a certain water level and then continuously disturbs a water body so as to achieve the anti-icing effect.

The utility model relates to the technical field of split type encoders, in particular to a split type photoelectric angle encoder and a matched tool, the reading head of the encoder and the end face of a grating disc are respectively provided with at least two positioning pin holes, and a photoelectric module in the reading head is mechanically limited through a groove. The cable is combined and fixed through the positioning ball and the wire harness binding belt, so that the use of a structural adhesive in the production process is reduced, the production cost is reduced, and the production efficiency and the maintainability and interchangeability of the product are improved. In the debugging process before leaving the field, the positions of the reading head and the grating disc are relatively fixed by using a matched tool, so that the problem that the positions of the reading head and the grating disc need to be subjected to secondary adjustment during use by a customer is avoided.

The invention belongs to the technical field of gas monitoring, and discloses an intelligent gas purity monitoring system, which comprises a multi-dimensional sensing unit, a gas regulation execution unit and a man-machine interaction unit, and is characterized in that the multi-dimensional sensing unit is used for collecting gas purity and related process parameters; the gas regulation execution unit executes gas purity regulation and process coordination action; the man-machine interaction unit is used for parameter input and state monitoring; the MPC control unit is used for constructing a'purity-pressure-flow-temperature 'multivariable coupling relationship in the gas purification process into a dynamic state space model capable of being used for online prediction; on this basis, a rolling optimization and feedback correction mechanism of a model prediction control algorithm is introduced, purity change trends at multiple moments in the future are used as optimization targets, an optimal multivariable cooperative adjustment instruction is calculated and executed in advance, and the model precision problem under small sample interference data is solved.

The invention discloses a welding seam detection remanufacturing system and device for a hydraulic support, particularly relates to the technical field of mining equipment remanufacturing, and is used for solving the problems of secondary stress migration and base material cracking caused by local heat input during in-situ repair of a box type structural part. A data acquisition module is used for acquiring contour coordinates of a repair area and thickness distribution of base metal; the unit division module divides a stress buffer unit containing a heat input regulation and control subarea based on the thickness gradient and the rib plate layout; the boundary redivision module dynamically optimizes the subarea boundary through geomagnetic field gradient scanning; the heat shock control module executes layered repair welding and activates subarea heat input in sequence; the energy ratio monitoring module switches the activation sub-regions in real time according to the acoustic emission energy ratio to block microscopic plastic deformation; the stress processing module eliminates a migration stress peak value through external expansion area residual stress scanning and local thermal relaxation; the whole-process regulation and control of the stress evolution in the repairing process are realized, and the repairing safety and the service life of the box type structural member are guaranteed under the immovable working condition.

An embodiment of the utility model discloses a visual tactile sensor, which relates to the technical field of sensors and comprises a base, a flexible plate, an image acquisition device and a plane mirror. The flexible plate is arranged on the base, the image acquisition device is arranged on the base, the image acquisition device is located on one side of the flexible plate, and the plane mirror is obliquely arranged on the upper side of the flexible plate. The layout between the flexible plate and the image acquisition device can be changed through the plane mirror, the size of the visual tactile sensor in the height direction is greatly reduced, and the size of the visual tactile sensor is reduced. According to the scheme, through the innovative structural design of reflection imaging of the plane mirror, on the premise that the tactile perception precision is ensured, the problem that the size of a traditional visual tactile sensor is too large due to vertical imaging layout is solved, meanwhile, multiple technical requirements of environmental adaptability, cost controllability and the like are taken into consideration, and the visual tactile sensor is suitable for popularization and application. And better hardware support is provided for scenes such as refined operation and man-machine interaction of the robot.

Measuring support (500) for a watch movement (400), arranged to form a lower support for a cap (200) containing a watch movement (400) or a watch head (300), pushed towards the measuring support (500) by compression means, this measuring support (500) includes a bell (501) in the shape of an inverted bell, the wider end of which is turned towards the cap (200) or the watch head (300) to be tested, which bell (501) is arranged to guide the vibrations towards a more massive concentrator part (502), integral with a base (503) carrying a measuring sensor (510) arranged to listen to the rate and / or amplitude of a watch movement (400) enclosed in the cap (200) or the watch head (300), in the position where the measuring support (500) is supported under stress with the cap (200) or the watch head (300).

A measuring instrument includes a movable portion configured to rotate in an arc motion about a pivot portion, and an electronic position encoder configured to measure an absolute relative position between a detector portion and a scale portion, one of which forms part of the movable portion. In the detector portion, first and second scale element portions of first and second track portions are arc-shaped and parallel to each other. In the scale portion, first signal modulating scale elements are disposed along a first scale element portion according to a first signal modulating element angular spatial step θWSME1 and second signal modulating scale elements are disposed along a second scale element portion according to a second signal modulating element angular spatial step θWSME2 that is different than the first signal modulating element angular spatial step θWSME1.

A sensor chip structure (600) design based on a solid-state quantum spin sensing system, a manufacturing method, and a supporting related device. The sensor chip structure (600) is a diamond-based magnetic field and temperature sensing chip manufactured on the basis of a micro-nano processing technique, and comprises: a microwave radiation structure, a diamond NV center material, a laser diode, a heat dissipation structure, an optical filter (7), and a photodetector (6) which are manufactured on an insulating substrate.

The invention provides a temporary steel bridge construction hidden danger monitoring method and system, and belongs to the technical field of construction safety, and the method comprises the steps: collecting multi-source monitoring data of structure response data and environmental load data through data acquisition equipment; performing preprocessing and feature processing on the environment load data to obtain a target environment load feature vector; preprocessing the structure response data to obtain target structure response data; performing feature extraction on the response data of the target structure by adopting a wavelet transform algorithm, and extracting multi-scale time-frequency feature vectors related to wind-induced vibration and wave-induced vibration; inputting the multi-scale time-frequency feature vector and the target environment load feature vector into a pre-trained hidden danger evaluation model to obtain a preliminary hidden danger level; correcting the preliminary hidden danger level based on a preset structural performance index system to obtain a hidden danger level; and inputting the hidden danger level and the sensor health state data into an early warning decision model to obtain an early warning instruction. The accuracy of construction hidden danger monitoring is improved.

The invention provides indoor air quality monitoring equipment and a sensor cooperative control system, relates to the technical field of indoor environment monitoring, and is used for solving the problems of response delay, temperature drift accumulation and alarm accessibility reduction in long-term operation of an air monitoring device. The device realizes feed-forward identification and closed-loop suppression of sample injection degradation, filter material pollution and dislocation, heat drift in the machine and acoustic attenuation: a sampling confirmation window is adaptively adjusted to reduce misjudgment, channel-level temperature drift compensation and power consumption derating are cooperatively executed according to priorities to realize steady-state temperature control, and a prompt link keeps subjective loudness consistent based on equivalent gain; meanwhile, the baseline is refreshed after maintenance to maintain long-term consistency; therefore, under the condition that the mechanical appearance is not changed, the monitoring accuracy, stability and alarm accessibility are remarkably improved, and the device-level design value of structural perception driving is highlighted.

The invention provides a dual-mode resonance optical fiber microcavity air pressure measurement system and method, and relates to the technical field of optical fiber microcavity air pressure measurement, and the system specifically comprises a sensing probe preparation module, a two-parameter sensitivity matrix calibration module, an optical fiber laser sensing system construction module, a real-time change monitoring module and a decoupling and output module. Femtosecond laser etching is combined with high-temperature tapering, an open type microcavity is manufactured on a single-mode optical fiber, a micro-nano cone area is formed, and the sensing probe with two resonance valleys with different temperature and air pressure response characteristics is obtained. A sensitivity coefficient matrix is obtained through calibration, a probe serves as a filter to be embedded into an annular optical fiber laser cavity, and an optical fiber laser with the laser wavelength locked by a resonance valley is constructed. Laser wavelength drift is caused by environmental change, real-time synchronous measurement of temperature and air pressure is realized by utilizing inverse matrix decoupling, and the method is suitable for high-precision and anti-interference monitoring of harsh industrial environments such as aero-engines and power transformers.