1099 results about "Water immersion" patented technology

The invention relates to the technical field of geomechanical simulation of tunnel engineering, in particular to a tunnel surrounding rock water immersion weakening fluid-solid coupling simulation method and system.The method comprises the steps that mechanical parameters and seepage parameters of typical tunnel surrounding rock materials are obtained, and then an evolution equation of water immersion equivalent strain along with time is constructed; constructing a water immersion equivalent strain-seepage parameter dynamic correlation model based on the evolution equation and the seepage parameters; a seepage-stress coupling elastic-plastic damage constitutive model is constructed on the basis of a water immersion equivalent strain dynamic evolution model, and coupling circulation of a seepage-stress-damage field under the influence of water immersion degradation is represented on the basis of the seepage-stress coupling elastic-plastic damage constitutive model. The technical blank that bidirectional strong coupling of a seepage field and a mechanical field under water immersion response cannot be realized in the prior art is filled, and a high-precision simulation technical scheme is provided for stability analysis of tunnel surrounding rock in a water-rich environment.

Systems and methods for producing an ultrafast functional photoacoustic microscopy system are disclosed herein. Such systems are configured to enable the imaging of microvasculature and functional dynamics of tissue samples with a broad field of view and high spatial resolution. According to several disclosed embodiments, a combination of a Raman path and a polygon scanner in water immersion and air immersion environments enables rapid imaging of target materials.

The invention provides a water immersion early warning method and related equipment thereof. The water immersion early warning method comprises the following steps: determining environmental data in a target area and state data of corresponding monitored target equipment; determining water immersion risk data based on the environment data and the state data; performing anomaly identification on the water immersion risk data through a preset anomaly algorithm to obtain an anomaly identification result; and executing a corresponding water immersion early warning scheme based on the exception recognition result in combination with a preset exception handling strategy. Through the steps of the method, fusion and intelligent risk identification of multi-source monitoring data can be realized, potential water immersion hidden dangers can be found in time, accurate early warning is realized through a hierarchical response mechanism, and the reliability and response efficiency of a water immersion monitoring system are improved.

The invention relates to the technical field of pipeline safety monitoring and water seepage prevention early warning, in particular to a water seepage prevention early warning system driven by complex temperature and humidity environment edge calculation, which comprises the following modules: an environment and water immersion data acquisition module used for acquiring temperature, relative humidity, water immersion signals and auxiliary evidence in real time at edge nodes and performing preprocessing; and the temperature and humidity coupling dew point judgment module is used for calculating a dew point at the edge node based on the temperature and humidity data and generating condensation negative evidence. According to the method, temperature and humidity and water immersion data are collected at edge nodes and preprocessed, condensation negative evidence is generated based on the temperature and humidity data and fused with water immersion positive evidence to form a Markov chain, meanwhile, an environment base line is established, and a threshold value is adjusted in a self-adaptive mode, so that continuous monitoring and closed-loop judgment of the water seepage state are achieved; therefore, the problems that most traditional pipeline water seepage monitoring systems depend on a remote server, and judgment lags and misinformation is caused by the complex environment and the static threshold value are solved.

The invention relates to the technical field of full-focusing phased arrays, and discloses an on-line automatic bar flaw detection method and device based on a full-focusing phased array technology. According to the method, after water immersion type coupling is carried out, array elements of a concave array phased array probe are excited in a plane wave emission mode, multi-angle acoustic beams are formed, and full-matrix echo data are captured; for transverse wave detection, the sound field uniformity is improved by adopting a grouped alternate emission mechanism. Full-domain dynamic focusing is realized through coherent superposition processing, and real-time alarm and mark spraying are carried out on standard exceeding defects in combination with encoder data. The device comprises an off-line automatic calibrator, a conveying roller way, a steel splitting instrument platform, a pinch roll system, a lifting transverse moving platform, an ultrasonic detection host, a mark spraying system, a water circulation system and a PLC system, and efficient and accurate on-line bar flaw detection is achieved.

The invention provides a water bank slope structural surface rock mass shear creep test system and method under a dry-wet cycle, relates to the technical field of rock mechanical property test, and aims to accurately reproduce a dry-wet cycle-stress coupling working condition of a rock mass structural surface under a complex environment. In the device, the direct shear apparatus comprises a loading frame and a loading and sliding device mounted on the frame, and provides a stable mechanical loading basis for a test; the shear box is used for accommodating a rock sample containing a structural surface, and the lower shear box adopts a lengthened design, so that the shear area in the whole shear process can be ensured to be constant; the dry-wet cycle environment simulation cabin is fixed in the loading frame, hermetically wraps the shear box and is integrated with a water soaking subsystem and a drying subsystem, the water soaking subsystem can adjust the water level height and water pressure in the simulation cabin, and the drying subsystem can dry a rock sample, can reproduce the sun illumination radiation condition and is matched with the water soaking subsystem to realize periodic dry-wet cycle; and the coupling effect of dry-wet cycle and mechanical loading is realized.

The invention belongs to the technical field of strength detection, and relates to a track strength detection device and method. The device comprises a detection frame, a torsion stretching part arranged on the detection frame, a soaking box, a stretching roller, a positioning roller, a hammering assembly, a driving part and the like. Static stretching detection, dynamic stretching detection, torsion stretching detection, impact working condition detection, rotation load detection and muddy water soaking load detection of the track body can be realized, and on the basis of the static stretching detection or the dynamic stretching detection, the detection precision is improved. Combined detection is carried out in combination with one to four of four detection modes of torsion stretching detection, impact working condition detection, rotation load detection and muddy water soaking load detection, working conditions of the crawler belt in different working scenes can be simulated, and fatigue performance of the crawler belt under various complex stress conditions can be comprehensively detected. And the reliability of the track in actual use is ensured.

The invention provides a titanium steel composite plate welding interface bonding force detection method, and relates to the technical field of quality detection.The method comprises the steps that scanning is conducted from the steel substrate side of a composite plate through a single crystal normal probe, and whether an interface has a disconnection area or not is judged by analyzing the amplitude relation between interface echoes and bottom surface echoes; defining a 180-degree arc-shaped scanning path taking the explosive welding direction as a 0-degree reference axis on the surface of the composite board which is judged to be completely combined, and equally dividing the arc-shaped path into four monitoring arc sections; in each monitoring arc section, a water immersion type ultrasonic detection device is adopted, a probe is focused on the steel-titanium bonding interface, scanning is carried out along an arc-shaped scanning path, and interface ripple C scanning imaging pictures of the four monitoring arc sections are obtained respectively. According to the method, through ultrasonic detection and analysis, precise detection of the welding interface of the titanium-steel composite plate from disconnection area screening to bonding strength evaluation is achieved, interface defects can be effectively recognized, and the welding quality reliability is improved.

The invention relates to the technical field of precise cleaning and regeneration, and discloses an aluminum nitride crucible cleaning and regeneration process for a MicroOLED evaporation source, which comprises the steps of organic soaking, primary pure water soaking, physical film removal, water washing, primary drying, high-temperature baking, acid pickling, secondary pure water soaking, ultrasonic cleaning, secondary drying, detection, drying, cooling and vacuum packaging. According to the cleaning and regeneration technology for the aluminum nitride crucible for the MicroOLED evaporation source, multiple cleaning modes are combined, organic matter on the surface and in the aluminum nitride crucible can be effectively dissolved, compared with traditional soaking with a single organic solvent, the removal effect on stubborn stains is better, organic residues and permeation residues are avoided, and the service life of the aluminum nitride crucible is prolonged. The crucible can be safely mixed for use in subsequent use through the thorough cleaning process, cross contamination is effectively avoided, product flaws caused by incomplete cleaning of the crucible are reduced, the product yield is further improved, the high product yield means lower production cost and higher market competitiveness, and remarkable economic benefits are brought to enterprises.

The present invention relates to a system for providing hot or cold therapy, featuring a tub with a shell comprising a base, head and foot end walls, and left and right walls forming a recess for water containment. The tub includes a seat with a horizontal surface extending from the foot end wall, and side and head end walls extending downward, creating left and right foot cubbies adjacent to the tub shell walls. A control unit, extending from the foot end wall, houses a heat pump unit for heating or cooling a water temperature, and may include a UV filter, a carbon filter unit, and a water pump. This system is designed to offer therapeutic benefits through temperature-controlled water immersion, with optional or included features for enhanced water quality, hygiene, utility and comfort.

The invention relates to the technical field of water immersion ultrasonic detection of additive manufacturing parts, in particular to a water immersion ultrasonic detection device for additive manufacturing parts, which comprises an ultrasonic transducer, a scanning device, a cleaning unit, a suspension assembly line and a fixing unit. In the moving process of the suspension assembly line, other to-be-detected parts can be clamped and fixed by the clamping piece in the middle of the rear side, so that sustainable detection work is facilitated, and the detection efficiency is improved; in addition, the clamping piece can be adjusted according to the shape of the part needing to be detected, so that the purpose of clamping and fixing the part is achieved, a special clamp does not need to be designed, and the detection cost is reduced.

The invention discloses a damping and sound-absorbing wood composite floor suitable for aging, which is strictly and orderly compounded according to a four-layer structure from top to bottom, and all layers are clear in division of labor and have a synergistic effect to form an organic whole with complementary functions: the first layer is a wood grain facing layer; the second layer is a cushioning layer; the third layer is a wood core layer; the fourth layer is a sound absorption layer; the preparation method of the damping and sound-absorbing wood composite floor suitable for aging comprises the following steps that firstly, all the layers are evenly coated with waterborne polyurethane environment-friendly adhesives through high-precision gluing equipment, and the gluing amount is 120-150 g / m < 2 >; 2, hot-pressing compounding: during hot-pressing compounding, controlling the temperature to be 120-140 DEG C, the pressure to be 8-12MPa, the time to be 8-10 minutes and the peel strength to be greater than or equal to 1.5 N / mm, and meanwhile, avoiding the performance degradation of the material caused by high temperature; the invention has the following beneficial effects: the noise within the frequency range of 100-5000 Hz is comprehensively reduced to 35-45 decibels; a weight of 60kg freely falls down at a height of 30cm, and the impact absorption value of the floor reaches 55-60%; a 24-hour boiling water dipping test shows that the water absorption thickness swelling rate is less than or equal to 8%; and the cost is reduced by 30-40%.

The invention discloses a simplified test natural river ice section flow calculation method, which belongs to the technical field of hydrological test, and comprises the following steps: dividing a section into a plurality of strip units; calculating the effective water depth of each measuring point according to the water depth and the water immersion ice thickness of the measuring point corresponding to each strip unit; calculating the area of each strip unit according to the effective water depth at each measuring point; according to the area of each strip unit, the accumulated section area and the accumulated hydraulic radius from the left bank and the right bank of the section to the strip units are calculated respectively; according to the accumulated section area and the accumulated hydraulic radius from the left bank and the right bank of the section to the strip unit, the relative unit width flow of the sections on the left side and the right side of the strip unit is calculated, and then the comprehensive relative unit width flow of the strip unit is calculated; and calculating the total flow of the section according to the proportional relation between the comprehensive relative unit width flow and the actual unit width flow of the strip unit. According to the method, the full-section flow can be reversely deduced through a small amount of observation, so that the ice period flow testing process is simplified.

The invention relates to the technical field of roadway surrounding rock stability detection, and discloses a water immersion roadway surrounding rock loosening circle detection method and system, and the method comprises the steps: drilling small-angle inclined drill holes in two sides of a roadway, and injecting pressure water to form a water immersion saturated environment; sound time data are collected through an ultrasonic probe, and a wave velocity-hole depth curve is constructed; identifying a wave velocity gradient abrupt change area based on attenuation characteristics of surrounding rock fractures to sound waves; the inner boundary and the outer boundary of the loose circle are dynamically judged through the wave velocity gradient change rate, and finally a detection report containing the loose circle range is generated. By actively simulating the water immersion coupling environment and combining gradient change rate analysis, the problem of inaccurate boundary recognition caused by water influence of a traditional acoustic wave method is solved, and the accuracy and reliability of a detection result are remarkably improved.

The invention relates to the technical field of ultrasonic detection, in particular to a glue pouring bubble detection device and method for a water immersion ultrasonic transducer, and the device comprises a signal generator, a power amplifier, an oscilloscope, a to-be-detected ultrasonic transducer, a clamp, a fixing device, an infrared camera and a computer. In order to solve the problems that a traditional infrared thermal imaging technology is sensitive to material characteristics, high in excitation condition requirement and difficult to achieve defect quantitative analysis, an excitation electric signal drives an ultrasonic transducer to work to generate heat after power amplification, an infrared camera is adopted to capture a surface temperature distribution image of the ultrasonic transducer, and a convolutional neural network model is constructed; the volume fractions of the bubble defects of the glue pouring layer of the ultrasonic transducer in the infrared image are subjected to hierarchical identification (including four hierarchical intervals of less than 10%, 10%-30%, 30%-60% and more than 60%). The method solves the limitation of defect qualitative analysis of a traditional method, realizes quantitative evaluation of the bubble content of the glue pouring layer, and provides data support for quality detection of the ultrasonic transducer.

The invention provides a water immersion and electric leakage monitoring method, device, system and equipment for power equipment, and relates to the technical field of power equipment safety monitoring. The method comprises the following steps: acquiring electrical monitoring data of a grounding wire of power equipment and water level monitoring data of an area where the power equipment is located; judging whether an electric leakage event occurs or not according to the electrical monitoring data; water immersion event judgment is conducted according to the water level monitoring data, when the water level monitoring data exceed a preset water level threshold value, visual review operation is triggered, and whether a water immersion event occurs or not is judged based on the result of the visual review operation; and determining different alarm levels according to a combination condition between the judgment result of the water immersion event and the judgment result of the electric leakage event, and executing alarm responses corresponding to the alarm levels. According to the method, the electrical monitoring data is obtained in a non-contact manner, and a dual verification mechanism of'water level threshold triggering + visual rechecking 'is established, so that the water immersion and electric leakage states of the electrical equipment can be quickly and accurately identified.

The utility model relates to the technical field of wire harness joints, and discloses an anti-pulling wire harness joint, which comprises a female joint and a male joint, and an anti-pulling sealing mechanism is arranged between the female joint and the male joint. The anti-pulling sealing mechanism comprises a sleeve plate, a fixed baffle ring and an L-shaped clamping plate, the sleeve plate is fixedly arranged on the outer wall of the female connector in a sleeving mode, by arranging the anti-pulling sealing mechanism, the female connector and the male connector can be limited and fixed after being in butt joint, the male connector and the female connector are prevented from being easily disengaged when being pulled, and the sealing performance of the female connector and the male connector is improved. And the sealing air bag is arranged, so that the sealing performance of the male joint and the female joint after butt joint can be greatly improved, the phenomenon of short circuit caused by the fact that water immerses into the connecting position of the female joint and the male joint is avoided, and the problem that the existing male joint and female joint do not have a sealing structure during anti-pulling butt joint, so that the service life of the male joint and the female joint is prolonged is solved. The sealing performance is poor, the water immersion short circuit phenomenon is easy to occur, and the normal transmission of data is influenced.

The invention discloses a tiger skin soft boiled egg production process and a deoiling and cooling conveyor line, and relates to the technical field of food processing, the process comprises the following steps: S1, cleaning and disinfection: cleaning and disinfecting the surfaces of poultry eggs, and then washing the poultry eggs; s2, temperature returning placement: returning the temperature of the poultry eggs to 15-25 DEG C; s3, performing low-temperature water boiling: putting the poultry eggs into water with the temperature of 70-80 DEG C, and performing soaking and heating; s4, cooling and shelling: fishing out the poultry eggs, putting the poultry eggs into water for cooling, and then carrying out shelling treatment; s5, frying the tiger skin: putting the poultry eggs into hot oil, and frying the tiger skin at the temperature of 150-160 DEG C for about 3-4 minutes; s6, soaking in cold water: putting the fished-out tiger skin soft boiled eggs into ice water to be soaked for 3-5 minutes, and then fishing out the soaked tiger skin soft boiled eggs; s7, marinating: putting the tiger skin soft boiled eggs into marinade for marinating; and S8, packaging: fishing out the tiger skin soft boiled eggs, and carrying out vacuum packaging. The method has the effect of improving the soft yolk stability and the product quality of the tiger skin soft yolk eggs.

The invention discloses an air tightness detection system and method suitable for PE pipe fittings and valves with various calibers, the system adopts an end connecting piece with multi-stage stepped grooves at two ends to adapt to different pipe diameters, and a self-reset switch is used for automatically identifying the step level of the pipe valve and activating a corresponding inflatable sealing ring group. During detection, the controller coordinates the inflation device to work in two ways, the sealing gas way conducts grading inflation sealing on the annular inflation sealing ring of the selected layer, the detection gas way pressurizes the closed cavity, and the pressure transmitter monitors pressure attenuation to judge the airtightness. By combining a water immersion test and a machine vision technology, bubble trajectory tracking is realized through dynamic background modeling, ROI (Region of Interest) extraction and morphological processing, and the position of a leakage point is accurately mapped. The system is provided with a sealing ring redundancy design mechanism, when leakage is detected, a standby sealing ring can be intelligently switched for reinspection verification, and the system is especially suitable for quality detection of a PE pipe fitting and a valve welding seam.

The invention relates to the technical field of detection equipment, and provides an aerosol can sealing performance detection device which comprises a control system, a conveying mechanism, a soaking pressurization mechanism, a grabbing mechanism, a qualified product storage box and an unqualified product storage box. The conveying mechanism comprises a conveying belt and a transfer frame, and the conveying belt is used for conveying tank bodies; the soaking pressurization mechanism comprises a water tank and an inflation pressurization assembly; the inflating and pressurizing assembly is located in the water tank, moves up and down and comprises a plurality of inflating pipes; the grabbing mechanism is used for grabbing the tank body located on the transfer frame and sleeving the tank body into the corresponding inflation pipe, and is also used for driving the tank body to move up and down in the water tank along with the inflation pressurization assembly; the image acquisition mechanism is used for acquiring tank body detection images and feeding back the images to the control system, and the control system is used for controlling the grabbing mechanism to put qualified tank bodies and unqualified tank bodies into the qualified product storage box and the unqualified product storage box respectively according to the images fed back by the image acquisition mechanism. The device has the effect of facilitating water immersion pressurization detection of the tank body.

The utility model relates to a detection device, and provides a cable immersion pressure resistance detection device, which comprises a shell, a control platform, a cover plate, a water tank, a water injection pipe and the like, a control platform is arranged on the front side of the shell and composed of a control module, an instrument, a screen and the like, a cover plate is rotatably arranged on the upper portion of the shell, a water tank is arranged on the lower portion in the shell, a water injection pipe is arranged on the lower portion of the water tank, and the other end of the water injection pipe penetrates out of the shell. According to the utility model, a program is preset in the control module, when cables of different models are tested, test conditions are automatically matched according to set data, the data can be recorded and fed back in real time in a test stage, meanwhile, a closed test instrument is arranged, the test cables are separated from an operator in the test process, and the test efficiency is improved. And potential safety hazards during working are reduced.

The present application provides a method for extracting lithium from salt lakes. The method comprises the following steps: (1) subjecting concentrated brine to ammonia vapor magnesium precipitation treatment to obtain a magnesium-removed filtrate and filter residue; (2) mixing the filter residue with hydrobromic acid, adjusting the pH to precipitate boric acid, and performing solid-liquid separation to obtain a filtrate and boric acid; (3) evaporating and concentrating the filtrate obtained in step (2), performing aeration treatment after drying treatment, and performing water immersion separation treatment to obtain a lithium-rich solution and magnesium oxide; (4) mixing the lithium-rich solution and lithium carbonate to perform a solid-phase transformation reaction, and filtering to obtain a purified lithium salt solution and calcium carbonate. The method of the present application can separate boron, magnesium, and calcium-lithium in one step, and further calcium removal can separate calcium and lithium, which is beneficial to obtaining high-purity lithium carbonate and reducing lithium loss caused by the adsorption of lithium by magnesium hydroxide colloid.

The invention discloses marking pen ink for underwater marking and a preparation method thereof. According to the underwater marking pen ink disclosed by the invention, by preferably selecting the hydrophobic organic solvent, the ester-soluble film-forming resin and the hydrophobic flatting agent, the stability of a dye in water is improved, a film is quickly formed on the surface of a soaking medium, a stitch is prevented from being bloomed in water, meanwhile, certain adhesion fastness is established, and a durable mark with water resistance and weather resistance is formed.

The invention relates to the technical field of bladeless fans, in particular to an intelligent bladeless fan environment monitoring system which comprises a multi-source sensor network module, an edge calculation processing module, a dual-mode power supply module, a wireless communication module and an intelligent monitoring module. The multi-source sensor network module comprises at least 10 paths of dry contact input interfaces, a temperature and humidity sensor interface, a water immersion detection interface and a displacement monitoring interface; compared with the defects that the prior art depends on a single threshold value alarm mechanism, the missing report rate is high, and composite faults cannot be recognized, the scheme adopts a millisecond-level three-level alarm system, multi-dimensional data such as a vibration spectrum and a temperature gradient are diagnosed in real time through edge AI, a dynamic priority work order distribution mechanism is combined, and the reliability of the system is improved. The fault response accuracy and the operation and maintenance efficiency are remarkably improved, and the crossing from passive alarm to active intervention is realized.

The invention provides a method and device for predicting the degradation life of an electric transformer after water immersion, and relates to the technical field of electric transformers. The method comprises the following steps: acquiring fault rate data of the power transformer running along with time; fitting the fault rate data by adopting a least square method improved based on a whale optimization algorithm to obtain a Weibull fault rate bathtub curve when the power transformer normally operates; key indexes are selected to evaluate the health state of the power transformer and solve the fault rate in the corresponding health state, the fault rate of the power transformer after water immersion is mapped to a Weibull fault rate bathtub curve, and the equivalent degradation life of the power transformer after water immersion is solved. According to the method, quantitative analysis of the degradation degree of the immersed power transformer can be realized, and the degradation life of the immersed power transformer can be accurately predicted.

The invention discloses a water-flow-resistant surface water temperature monitoring device and a control method thereof. The water-flow-resistant surface water temperature monitoring device comprises a support; one end of the first rod is connected with the top of the bracket and the other end transversely extends; the electric capstan is arranged on the bracket; the fixed pulley is arranged on the first rod; a water temperature monitoring assembly; one end of the twisted rope is wound on the electric capstan, and the other end is connected with the top of the water temperature monitoring assembly through a fixed pulley; and a control unit; the water temperature monitoring assembly comprises a shell, a water immersion sensor, a water temperature sensor and a balance weight. The water sensor is located at the top of the shell, the water temperature sensor is located in the shell, and the counterweight is located at the bottom of the shell; the vertical distance between the water immersion sensor and the detection point of the water temperature sensor is equal to the underwater preset depth. Compared with the prior art, the requirement of water temperature monitoring for the water depth of a monitoring point is met, it can be guaranteed that the water temperature sensor cannot deviate from the monitoring point, and therefore the accuracy of water temperature monitoring data is improved. In addition, the equipment can be overhauled and maintained ashore through the telescopic rod.

A water immersion leak detection device disclosed by the present invention comprises a rack, a driving device, an objective table, a clamp assembly, an air supply device and a visual identification system, the rack is provided with a water tank, the driving device is arranged on the rack, the objective table is in transmission connection with the driving device, the driving device can drive the objective table to go up and down in the water tank, the clamp assembly is arranged on the objective table, and the air supply device is connected with the visual identification system. The clamp assembly is used for fixing a workpiece, the air supply device can be connected with the workpiece and can inflate the workpiece, and the visual recognition system is arranged on the rack and can detect bubbles of the water tank. The driving device can drive the objective table to ascend out of the water tank, so that an operator can place an inflated workpiece in the water tank conveniently, the workpiece can be clamped and fixed through the clamp assembly, then the objective table descends into the water tank through the driving device, manual operation steps can be reduced, bubbles can be automatically recognized through the visual recognition system, manual observation is replaced, and the working efficiency is improved. The automation degree is good, the detection accuracy can be improved, and manpower is reduced.

The invention discloses a multi-modal water level monitoring and well lid alarming method based on AI, and the method comprises the steps: arranging a water immersion and triggering alarm terminal of an integrated electrode sensor and a Hall sensor in an open bin of a well lid base, integrating terminal data, image data and environment data, and carrying out the standardization processing, thereby generating a multi-modal fusion feature. And by taking the characteristics as core input, constructing an AI model, and outputting an accumulated water abnormal probability and a well lid jacking probability. In combination with the pipe network topology, historical data and a dynamic threshold value of a digital twin system, the road surface ponding grade and the well lid abnormity reason are accurately judged, and the alarm effectiveness is verified through multi-source credibility fusion. Meanwhile, an alarm result and disposal feedback are synchronized to the digital twin system, and a training data set is updated to iteratively optimize model parameters. According to the method, the hysteresis quality and the false alarm rate of traditional monitoring are effectively reduced, the operation and maintenance efficiency and the emergency response capability of a municipal pipe network are remarkably improved, and reliable technical support is provided for urban inland inundation prevention and control and road safety guarantee.

The utility model relates to wedge block water storage type water immersion method ultrasonic detection equipment, which belongs to the technical field of ultrasonic detection and comprises a wedge block shell, the wedge block shell is provided with a water storage inner cavity, a probe mounting groove is arranged at the bottom of the water storage inner cavity, a probe is mounted in the probe mounting groove, and water inlet holes are arranged on two sides of the probe mounting groove. Fixing grooves are formed in the two sides of the wedge block shell, and the detection side of the wedge block shell is arranged to be a wedge block bottom with an arc-shaped concave face. Water is injected into the water storage cavity through the water inlet hole, a gas cylinder workpiece to be detected is attached to the interior of the arc-shaped groove in the bottom of the wedge block, the probe is a linear array phase control water immersion probe, and the probe detects a gas cylinder; the bottom of the wedge block is designed in an arc shape, the wedge block is identical with the detected workpiece in size and better attached to the detected workpiece, the periphery of the wedge block is of a soft foam structure, excessive overflow of water is reduced, and the wedge block is attached to the detected workpiece when the detected workpiece is irregular.

The invention discloses a monitoring terminal for a power distribution cabinet, and the terminal comprises an environment monitoring module which is used for the information collection of access control, water immersion, smoke sensing and gas in a power distribution room; the power distribution cabinet monitoring module is used for monitoring operation parameters, overvoltage, undervoltage, current, power and operation state of a power distribution loop; and the video monitoring module is used for real-time monitoring in the power distribution room. Through cooperative operation of the environment monitoring module, the power distribution cabinet monitoring module and the fault alarm module, breakthrough improvement of safety protection and operation and maintenance efficiency of the power distribution system is realized, and when environmental parameters are abnormal, the system is linked with video monitoring focusing and executes power cut-off / ventilation operation in an extremely short time, so that the rate of environment-related accidents is reduced, and the safety of the power distribution system is improved. And the circuit breaker health degree analysis module constructs an Hcb quantitative model based on parameters such as contact wear rate and operation times, so that the prediction accuracy is improved, the replacement period of the circuit breaker is prolonged, and the cost of spare parts is reduced.