58results about How to "Real-time automatic monitoring" patented technology

The invention discloses a device and method for monitoring the evolution and distribution of a mining-induced fracture. Generation, evolution and distribution of the mining-induced fracture are monitored through a method of monitoring acoustic wave or vibration generated in fracture of coal or rock. The device mainly comprises an anti-explosion acoustic wave monitor, an anti-explosion power source and a ground monitoring analysis center, wherein the anti-explosion acoustic wave monitor consists of a sonic sensor and a signal conversion and data acquisition instrument; the sonic sensor is arranged on a roadway base plate, an anchor rod tail end or a drill hole; and an acoustic wave or vibration signal monitored by the sonic sensor is collected and processed by the signal conversion and data collection instrument, and is transmitted to the ground monitoring analysis center through an optical fiber port to be subjected to processing, positioning and quantitative analyzing and be labeled on a plane, a cross section or a space diagram according to the position and size, so as to show the position and size of the fracture. The device and method provided by the invention has the beneficial effects of large monitoring range, a large amount of comprehensive monitoring information, high automation degree, strong instantaneity and capability of being applied to monitoring and forecastingthe coal rock dynamic disasters, such as rock burst, and outburst and water burst of coal and gas and the like.

The invention provides an airport ground vehicle tracking management system which comprises multiple vehicle information collection devices, one or more ground substations and an upper computer. All ground vehicles are provided with the vehicle information collection devices respectively, the ground substations are arranged on an airport tower or the ground, and the upper computer is arranged on a monitoring center. The ground vehicle information collection devices are connected with the ground substations through wireless transmission networks, and the ground substations and the upper computer are connected through a cable transmission network. The airport ground vehicle tracking management system has the advantages that firstly, real-time and automatic monitoring and management can be conducted on the positions, the running states and the work states of the airport ground vehicles, and the management efficiency of the ground vehicles by the airport is greatly improved; secondly, measuring of the service life of the ground vehicles can be achieved, and a basis is provided for airport and airline measuring and charging; thirdly, statistic data are provided, comparison with the airport flight operation guarantee standard is conducted, and a basis for airport ground service evaluation is provided.

The invention belongs to the field of petroleum engineering, and particularly relates to an automatic hydrate preventing device for a deep water gas well test and a preventing method. The automatic hydrate preventing device for the deep water gas well test comprises an automatic data monitoring, acquisition and processing system and an automatic inhibitor control injection system, wherein the automatic data monitoring, acquisition and processing system lays the foundation for judgment of hydrate generation and correction by monitoring parameters of temperature, pressure, liquid flow, gas flow, liquid mineralization degree and gas component in real time; acquired data are processed, and a hydrate judgment result and an inhibitor adjusting result are given; and the automatic inhibitor control injection system rapidly sends a control signal according to the processing result of an upper computer, an executing mechanism is used for performing execution, the working parameters of an inhibitor injection pump are adjusted, and inhibitor injection is adjusted. According to the method and the device, the test condition can be automatically monitored in real time in the whole journey, the hydrate inhibitor injection speed is automatically controlled, and the automatic prevention purpose of hydrate is achieved.

The invention discloses a straw incineration monitoring method based on a monitoring video. The method is based on the real-time and easy-to-acquire monitoring video, and utilizes a video image processing technology and a pattern identification technology to analyze and process the video image. A straw incineration incident in a video monitoring area is intelligently identified, and an alarm is given. The method provided by the invention has the advantages that a classifier is trained; a down sampling pre-processing method is used to overcome the problem of imbalanced positive and negative samples; the classifier is used to preliminarily identify the straw incineration incident; and the color gradient magnitude value which reflects smoke image gradation edge information is used to correct the preliminary identification result of the classifier, so as to acquire a more accurate monitoring result. The invention further discloses a straw incineration monitoring device based on the monitoring video. Compared with the prior art, the method and device have the advantages that the monitoring video is used to carry out full intelligent monitoring on straw incineration, and have the characteristics of more accurate monitoring result and better instantaneity.

The invention provides a device and a method for monitoring the settlement of a ground surface in a deep water area. The device is characterized in that a liquid storage tank of a silicon pressure type settlement instrument is fixedly arranged on a settlement plate, a silicon pressure sensor is fixedly arranged on a benchmark pile, the liquid storage tank and the pressure sensor are flexibly connected with each other to form a closed self-balancing system placed in a foundation soil layer; then, the change of an elevation difference is converted through testing the change of pressure of liquid in a system, and further, the settlement quantity of the ground surface is obtained. The device has the advantages of simple structure, high convenience for operation, strong adaptability, high measurement precision and the like, and real-time automatic monitoring can be realized, so that the labor cost is greatly reduced, and the working efficiency is improved, therefore the application value is wide.

The invention relates to a real-time monitoring method and system of high-speed railway track geometry. The system includes a plurality of prisms, and each prism is arranged on the waist of the trackaccording to a certain interval; a data acquisition unit which is arranged outside the driving area, and the data acquisition unit is used for launching electromagnetic wave by scanning to the prismsarranged on the waist of the track, then the electromagnetic wave reflected by the prisms is received to obtain the real-time spatial coordinates of each prism; a data processing unit which is connected with the data output end of the data acquisition unit, and the data processing unit is used for obtaining the real-time spatial coordinates obtained from the data acquisition unit, then current geometric state parameters of the track are obtained by the specific algorithm in this paper according to the real-time spatial coordinates and the initial space coordinate of the prisms. The real-time automatic monitoring system for the track geometry based on an automatic total station is established through arranging the appropriative prisms on the track to ensure the operation safety of the high-speed railway.

The invention discloses a remote automatic monitoring system for subgrade settlement. The system comprises a monitoring terminal, an optical fiber sensing terminal and a transmission optical cable, wherein the transmission optical cable is connected with the optical fiber sensing terminal and the monitoring terminal; the optical fiber sensing terminal comprises an optical divider, an optical fiber displacement encoding device, a shell and a transmission device; the optical divider, the optical fiber displacement encoding device and the transmission device are arranged in the shell; and the optical divider is connected with the optical fiber displacement encoding device. By the optical fiber sensing terminal and the transmission device, the displacement of the subgrade settlement is converted into an optical code transmitted along an optical fiber, the optical code is remotely transmitted to the monitoring terminal through the transmission optical cable, and is subjected to operation such as photo-electric conversion, analysis processing, storage, display, alarm and the like in the monitoring terminal, and the subgrade settlement is remotely and automatically monitored in real time finally; and the remote automatic monitoring system is applied to the field of monitoring of subgrade settlement under complicated terrains and severe natural environments.

The invention relates to a sampling module and an outdoor water quality monitoring device thereof. The sampling module comprises a sampling support, which is fixedly arranged on the top surface of a second partition plate and located between a first partition plate and the second partition plate. A water diversion ring is fixed in the sampling support; a drainage groove is formed in the inner sideof the water diversion ring, and the inner side of the water diversion ring is provided with a switching disc in a sealed and circumference manner. A first drainage channel and a second drainage channel are formed in the inner side of the switching disc; one end of the second drainage channel communicates with the top of the first drainage channel; the other end of the second drainage channel runs through the switching disc; the first drainage channel and the switching disc are coaxial, and the bottom of the first drainage channel and the top of a water conduit are assembled in a circumferentially-rotating and sealed mode; the water conduit is internally of a hollow drainage inner pipe; the bottom of the drainage inner pipe communicates with one end of a drainage pipe and one end of a water inlet pipe; the other end of the drainage pipe is led out of a housing and is lower than the lowest positions of the bottom plate and the drainage inner pipe; the other end of the water inlet pipeis sequentially communicated with a first one-way valve and a water pump and then, communicated with a water inlet head; and one side of the water inlet head is communicated with the water inlet pipe.

The invention discloses a personalization anesthesia closed-loop control system. The brain electricity data are obtained by a signal collection end of a brain electricity data acquisition device, then the collected brain electricity data are transmitted to a brain signal pretreatment device for the removal of noises and outliers; then the pretreated brain electricity data are sent by the brain electricity signal pretreatment device to a brain electricity signal analysis device; the brain electricity signal analysis device and the closed-loop control system are connected and the pretreated data are analyzed, the expected anesthesia depth index RPE (Renyi permutation entropy) values are obtained, and the RPE values are transmitted to a closed-loop control system; the closed-loop control system is connected with an injection device and at the same time controls it to work, the next-step anesthetic infusion speed is calculated by the closed-loop control system, after the signals are received by the injection device, and the real time control of the anesthetic infusion speed is completed by the injection device. The system has the advantages of real-time monitoring, automatic control, and high accuracy and the like.

The invention relates to a three-dimensional displacement monitoring method for a sliding mass. The method comprises the following steps: a, drilling a hole with the diameter of 75mm to a bedrock by the prior art, burying a metal pipe into the hole, and consolidating with cement around the hole; b, connecting short-piece probes in series, tripping into the buried metal pipe, carrying out measuring and comparing every 0.5 m, searching a three-dimensional displacement catastrophe point in the corresponding slide zone position, after monitoring for a period of time and when the three-dimensional displacement catastrophe point in the unstable sliding mass position appears, taking out the short-piece probes, connecting a sliding mass three-dimensional displacement monitoring instrument probe and an encapsulated three-dimensional acceleration displacement probe in series in a preset direction, putting the probes into the sliding mass unstable catastrophe point position in the metal pipe, fixing the probes, and carrying out fixed-type monitoring; and c, transmitting the data variation value obtained after the metal pipe deforms, to a ground-mounted sliding mass three-dimensional displacement monitoring instrument in a mini station type wireless internet GPRS transparent communication mode, thereby acquiring data in real time.

The invention discloses a robot arm strain test data processing method. A test device is formed by strain sheets (1), a strain acquisition device (2), a data processing system (3) including a peak and valley preprocessor (4) and an improved rain flow counter (5), a damage and life calculator (6), and alerter (8) and a displayer (7) which are connected in turn. The data processing method comprises the steps of (1) adhesion of the strain sheets; (2) peak and valley preprocessing; (3) improved rain flow counting statistics; (4) damage calculation; and (5) damage accumulation calculation. According to the method, the monitoring device is simple in structure and small in size, the data processing method is advanced and high in precision, the data processing result can be automatically displayed, operation is easy, and the device is directly installed on a robot arm for real-time automatic monitoring and automatic alarm.

The invention relates to an oil field operation area safety monitoring system based on a visual image. The oil field operation area safety monitoring system based on the visual image comprises a master control unit, a face recognition detection unit and a wearing behavior detection unit electrically connected with the master control unit respectively. The face recognition detection unit is used for face recognition detection of persons entering an oilfield operation area. The wearing behavior detection unit is used for detecting whether a person entering an oilfield operation area wears a tooling or not. The monitoring system of the invention can carry out efficient real-time monitoring on the oilfield operation area, and the monitoring cost is low.

A multifunctional basin-type support comprises a support body, a height adjusting system and a force measuring system; the height adjusting system comprises an adjusting seal plate, a filling gasket plate and an external high-pressure filling device, wherein a sealed space is formed between the adjusting seal plate and the filling gasket plate, a filling pipe on the filling gasket plate leads to the sealed space, an inlet of the filling pipe is communicated with a height adjusting pipe interface on the outside of the base plate of the support, and a high-pressure filling device. The force measuring system comprises a pressure-bearing elastomer enclosed at the bottom of the filling pad and a fiber Bragg grating force measuring element in contact with the pressure-bearing elastomer. The outer end of the fiber Bragg grating force measuring element is connected with a detecting device by a signal line. A method for installing and measuring force and adjusting height comprises a mounting support, a measuring force, adjusting height, removing high-pressure filling device and monitoring. The multi-functional basin-type support is provided with a height adjustment system and a force measuring system, and can realize stepless height adjustment by filling the filling material. The construction is convenient, and the height adjustment method is simple and reliable. The vertical bearing capacity of the bearing can be monitored accurately, continuously and effectively by the force measuring system.

The invention discloses a cleaning mechanism and an outdoor water quality monitoring device thereof. The cleaning mechanism comprises a sweeping motor and a sweeping brush. The sweeping motor is mounted on a first partition plate, the sweeping output shaft of the sweeping motor penetrates the first partition plate and then is fixedly assembled with a first gear, the first gear and a second gear are in meshing transmission, the second gear is fixed to a sweeping cylinder in a sleeving mode, the other end of the sweeping cylinder penetrates a second partition plate, a third partition plate and abottom plate and then can be circumferentially and rotationally assembled with a supporting plate, and the sweeping cylinder further sleeves a guide cylinder and can circumferentially rotate relativeto the guide cylinder; the sweeping cylinder is in circumferential rotation and sealed assembly with the first partition plate and the second partition plate, and reciprocating threads are arranged on the portion, located between the third partition plate and the supporting plate, of the sweeping cylinder; the reciprocating threads and reciprocating protrusions are clamped and assembled in a sliding mode, and the reciprocating protrusions are arranged on the inner side of a magnet ring; the magnet ring is fixed to the top face of a scrubbing ring, countless first bristles are fixed to the outer wall of the scrubbing ring, and the first bristles can be tightly attached to the outer walls of probes.

The invention provides an early warning and emergency shutdown system for submerged-arc furnace safe production, and relates to the technical field of submerged-arc type resistance electric-arc furnaces. According to the early warning and emergency shutdown system, computers and measuring instrument are used as hardware, and through the calculation and logical judgment on the measured data, early warning and emergency shutdown are triggered when the data exceed standards. The operating method of the early warning and emergency shutdown system comprises the following steps that cooling water in and out of the furnace is measured in real time by using a high precision flow measuring instrument; paste column height is measured through an electrode paste liquid level measuring instrument; electrode current is measured through a large current measuring instrument, and the current mutation is detected; the temperature in the furnace is measured, and the temperature tendency is analyzed; the current and voltage at the high voltage side of the electric furnace is measured; and when the data of the above measuring instruments exceed the standards, warning signals are issued, and when the data exceed the safety warning quota, the emergency shutdown is started. According to the early warning and emergency shutdown system, real time continuous detecting, automatic monitoring and early warning of operation parameters of process and equipment that cause safety accidents can be achieved thoroughly, interlock emergency shutdown is achieved, and the system has higher safety and reliability.

The invention provides an automatic atmosphere peroxide monitoring system. The automatic atmosphere peroxide monitoring system comprises a sampling device (100) and an analysis device (200). The sampling device (100) comprises a horizontally-placed spiral tube (10), a vertically-placed gas-liquid separator (11) and an air pump (12). The inlet end of the spiral tube (10) is connected with the atmosphere (101) and a capture liquid bottle (102). The outlet end of the spiral tube (10) is connected with the middle of the gas-liquid separator (11). The upper end of the gas-liquid separator (11) is connected with the air pump (12). The lower end of the gas-liquid separator (11) is connected with the analysis device (200) through a first connecting pipeline (300). The automatic atmosphere peroxide monitoring system can automatically monitor atmosphere peroxide, and the accurate content result of atmosphere peroxide can be obtained.

The invention provides an environmental emergency automatic switching and collection system for accidental waste water of industrial and mining enterprises, which belongs to the technical field of environmental protection. The system comprises a surface runoff water collection pipeline, a clear sewage discharging pipeline, an accidental waste water / liquid collection tank, a waste water / liquid pipeline and a clear water discharging pipeline. The system is characterized in that the system further comprises a monitoring sensor system composed of more than one pollution parameter real-time monitoring sensor arranged at a joint of the surface runoff water collection pipeline and the clear sewage discharging pipeline, a solenoid valve mounted at a joint of the surface runoff water collection pipeline, the clear sewage discharging pipeline, the waste water / liquid pipeline and the clear water discharging pipeline and a pollution parameter real-time monitoring sensor information collection and solenoid valve control system. The system provided by the invention enables a built or to-be-built accidental waste water / liquid collection tank to be put into actual use and discharges and collects produced accidental waste water / liquid into the accidental waste water / liquid collection tank once an accident occurs.

The invention belongs to the field of petroleum engineering, and particularly relates to an automatic hydrate preventing device for a deep water gas well test and a preventing method. The automatic hydrate preventing device for the deep water gas well test comprises an automatic data monitoring, acquisition and processing system and an automatic inhibitor control injection system, wherein the automatic data monitoring, acquisition and processing system lays the foundation for judgment of hydrate generation and correction by monitoring parameters of temperature, pressure, liquid flow, gas flow, liquid mineralization degree and gas component in real time; acquired data are processed, and a hydrate judgment result and an inhibitor adjusting result are given; and the automatic inhibitor control injection system rapidly sends a control signal according to the processing result of an upper computer, an executing mechanism is used for performing execution, the working parameters of an inhibitor injection pump are adjusted, and inhibitor injection is adjusted. According to the method and the device, the test condition can be automatically monitored in real time in the whole journey, the hydrate inhibitor injection speed is automatically controlled, and the automatic prevention purpose of hydrate is achieved.

The invention relates to a water feeding and discharging control method of a leachate anaerobic treatment system. According to the water feeding and discharging control method of the leachate anaerobic treatment system, a PLC system is adopted for sequentially controlling water feeding and discharging of the leachate anaerobic treatment system. The water feeding and discharging control method of the leachate anaerobic treatment system has the advantages that the PLC system is adopted for automatically and sequentially controlling the water feeding and discharging of the leachate anaerobic treatment system, so that the water feeding and discharging control method of the leachate anaerobic treatment system is more intelligent compared with a field manual control method, control is simple, time and labour are saved, efficiency of operators is improved, labour intensity is reduced, and equipment can be automatically monitored and protected in real time.

The embodiment of the invention discloses an Internet of Things platform operation abnormal state monitoring method and system, and belongs to the technical field of Internet of Things. The method comprises the following steps: detecting uplink data traffic, downlink data traffic, data calculation amount and network speed of a target Internet of Things terminal platform; according to the uplink data flow, the downlink data flow and the network speed of the target Internet of Things terminal platform, judging whether virus data occupies a data transmission channel of the target Internet of Things terminal platform or not, and if yes, according to the uplink data flow, the downlink data flow and the data calculation amount of the target Internet of Things terminal platform, calculating the consistency between the data calculation amount of the current target Internet of Things terminal platform and the uplink and downlink data traffic; and according to the consistency degree, prompting the attack degree of the current virus on the target Internet of Things terminal platform to a user. According to the invention, the abnormal state of the Internet of Things platform attacked by the virus can be monitored in real time, and the user can be reminded of the virus attack degree in real time.

The embodiment of the invention discloses a cluster data processing method and device, equipment and a storage medium. The method comprises steps of determining data processing configuration information used in a current data processing period; executing data migration or data restoration operation according to the data processing configuration information, and determining resource use state information of a cluster; and determining new data processing configuration information according to the resource use state information of the cluster so as to load and use the new data processing configuration information when entering the next data processing period. The method is advantaged in that a use state of the cluster resources can be monitored in real time, used data migration or data repair strategy in the process of executing the data migration or data repair operation is dynamically adjusted according to the cluster resource use state to dynamically adjust the processing pressure between the data migration or data repair of the cluster and the service data of the client, so system resources of the cluster can be fully utilized.

Provided is an airplane APU working condition monitoring system for an airport. The system comprises an infrared temperature sensor, an image sensor, an electric pan-tilt, a main controller and an Ethernet communication module. The infrared temperature sensor and the image sensor are arranged on the electric pan-tilt. The infrared temperature sensor is connected with the main controller. The image sensor is connected with the main controller. The electric pan-tilt is connected with the main controller connected with the Ethernet communication module through a data bus and an RS-232 interface or an RS-485 interface. The airplane APU working condition monitoring system for the airport has the advantages that first, real-time and automatic monitoring of the working condition of an APU in the process of airplane ground operation can be achieved without installing sensors or communication devices on an airplane; second, the non-contact type detection technology is adopted in the system, so that no influence on the airplane and the ground operation of the airplane is caused; third, the system can automatically adjust the detecting direction to be adapted to the positions of exhaust ports of APUs of different models.

The invention provides a farmland non-point source pollution surface runoff monitoring device and method. The device comprises water volume sensors, a wireless measure and control module and a remote receiving module, wherein the water volume sensors are arranged at the outlets of runoff collection pipes of all surface runoff monitoring communities; the runoff collection pipes are communicated with runoff collection tanks of the surface runoff monitoring communities, and used for acquiring the surface runoff data of each surface runoff monitoring community, and sending the acquired surface runoff data to the wireless measure and control module; the wireless measure and control module is used for receiving the surface runoff data sent by the water volume sensors, and sending the received surface runoff data to the remote receiving module; the remote receiving module is used for receiving the surface runoff data sent by the wireless measure and control module. Through the adoption of the device, automatic monitoring of surface runoff and remote transmission of monitored runoff data can be realized, and the monitoring result is more accurate.

The invention provides a water level measurement method based on a deep convolutional network and a random field, and the method comprises the steps: carrying out the training through a constructed water surface data set based on a proposed deep network structure; selecting a proper observation point, recording the coordinates of the characteristic pixel points and the corresponding elevations ofthe characteristic pixel points for the stable markers in the observation range, and constructing a pixel elevation interpolation function through an interpolation method; denoising and stabilizing the observed image, inputting the denoised and stabilized observed image into the trained deep convolutional network for prediction, performing preliminary segmentation according to a prediction result,and establishing a conditional probability field model; the KL divergence of the average field approximate minimization approximate distribution and the target distribution is adopted to obtain the optimal water surface segmentation, and then the elevation, namely the water level, of the pixels of the water surface region in the optimal segmentation is obtained according to the pixels of the water surface region and the elevation interpolation function. The method has the advantages that a non-contact method is adopted, and the water level is automatically monitored in real time. Compared with other contact-type measuring equipment, the method is low in layout cost and has an abnormal correction capability.

The invention discloses an operation state monitoring method and system of a northern interface of a professional manufacturer webmaster. The method comprises the following steps: primarily judging the operation state of the northern interface on an adaptation layer; judging the operation state of the northern interface on a process monitoring layer; if the operation state results of the northerninterface in the initial and auxiliary judgments are the same, directly judging that the operation state of the northern interface is consistent with the initial and auxiliary judgment results; and ifthe operation state results of the northern interface in the initial and auxiliary judgments are different, finally judging that the operation state of the northern interface is abnormal. The real-time and automatic monitoring of the operation state of the northern interface is realized, real-time and accurate basic data are provided by the professional manufacturer webmaster for the upper levelintegrated webmaster, and a data support is provided for the planning, construction, operation and management assistant decision of the enterprise communication network.

The invention relates to an intelligent well killing method and device for a complex pressure system stratum. The method comprises the steps that (1) real-time information of the underground-ground is monitored in real time; (2) the real-time information of the underground-ground is processed, the underground working condition is judged, and if underground abnormity occurs, on one hand, uncertain parameters in a shaft multi-phase flow model are inverted in real time, and on the other hand, shaft pressure distribution is dynamically simulated and calculated; and (3) a control signal is sent out, throttling control parameters are intelligently optimized and designed, the throttling control parameters comprise the connecting mode of a throttling valve and a pressure drop distribution scheme, the wellhead pressure is adjusted in real time to maintain the constant bottom hole pressure, meanwhile, casing pressure vertical pressure feedback is tracked, and a well killing regulation and control scheme is intelligently optimized and adjusted through a feedback knot. According to the method, the underground working condition can be automatically monitored in real time in the whole process, the stratum pressure information is intelligently inverted according to the change trend of the measurement information, and the purposes of accurate and timely monitoring of the underground abnormity and intelligent recognition of the complex pressure system stratum information are achieved.

The invention relates to a link data sampling rate real-time automatic adjustment method, and the method comprises the following steps that a monitoring adjustment end is started, and loads sampling rules corresponding to all services to a cache; the monitoring adjustment end starts a real-time monitoring task to respectively obtain instance names and performance index data of accessed services; the monitoring adjustment end matches the obtained instance name and performance index data of the service with a sampling rule: if matching succeeds, the monitoring adjustment end obtains a corresponding matching sampling rate, and then modifies the current sampling rate of the service into the matching sampling rate, and sends a corresponding modification message to the user and then returns to continue real-time monitoring; if the matching is not successful, the monitoring adjustment end directly continues real-time monitoring. Compared with the prior art, the link data sampling rate can be automatically adjusted in real time on the basis of the sampling rule taking effect in real time, and the service performance cannot be affected.

The invention discloses a device and a method for selecting an oil nozzle in a gas well test. The device comprises a natural gas supply system, a gas well test multi-working-condition simulation system, an oil nozzle multi-combination test system (503) and a control device, wherein the oil nozzle multi-combination test system (503) comprises a plurality of oil nozzle combinations which are arranged in parallel through pipelines; and the gas well test multi-working-condition simulation system comprises a ground flow pipeline (109), and the oil nozzle multi-combination test system (503) is connected to the ground flow pipeline (109). The device is safe and reliable, and the whole process and multi-working-condition simulation of gas well testing operation can be carried out; various modes of oil nozzle combination can be flexibly changed in the testing process, and the engineering requirements are met; and the optimal oil nozzle combination mode matched with the test working condition can be accurately selected, and the method has practical guiding significance for selection of the oil nozzle combination mode in gas well test.

The invention discloses a remote automatic monitoring system for subgrade settlement. The system comprises a monitoring terminal, an optical fiber sensing terminal and a transmission optical cable, wherein the transmission optical cable is connected with the optical fiber sensing terminal and the monitoring terminal; the optical fiber sensing terminal comprises an optical divider, an optical fiber displacement encoding device, a shell and a transmission device; the optical divider, the optical fiber displacement encoding device and the transmission device are arranged in the shell; and the optical divider is connected with the optical fiber displacement encoding device. By the optical fiber sensing terminal and the transmission device, the displacement of the subgrade settlement is converted into an optical code transmitted along an optical fiber, the optical code is remotely transmitted to the monitoring terminal through the transmission optical cable, and is subjected to operation such as photo-electric conversion, analysis processing, storage, display, alarm and the like in the monitoring terminal, and the subgrade settlement is remotely and automatically monitored in real time finally; and the remote automatic monitoring system is applied to the field of monitoring of subgrade settlement under complicated terrains and severe natural environments.

The invention provides a soft foundation deepwater banking deep horizontal displacement monitoring device and method. The device realizes precise positioning of underwater mounting direction of an inclination measuring pipe through arrangement of a positioning groove, and prevents banking fillers from entering the inclination measuring pipe to damage clinometers through a mounting blockage cover,uses an inclined sensor in a measuring rod for directly measuring the displacement deformation in a measuring point, and serially connects with multiple clinometers at different heights in the inclination measuring pipe to realize monitoring of soil deep horizontal displacement. The device has the advantages of simple structure, convenience to mount, reliable positioning, high testing precision and the like, can realize automatic real-time monitoring, greatly reduces the labor cost, improves the working efficiency, and achieves wide application value.