47results about How to "Timely remedial measures" patented technology

The invention provides a buried-steel-pipeline-based magnetic anomaly extraction and interpretation method. The buried-steel-pipeline-based magnetic anomaly extraction and interpretation method comprises the following steps: measuring magnetic induction intensity of the pipeline in an axial direction, alleviating outside interference anomaly and calculating a hazard index F, classifying anomaly level of a magnetic anomaly pipe section by combining the hazard index F, primarily judging defect type and establishing a model, forward modeling the model, determining the hazard defect position coordinate of the magnetic anomaly pipe section and forecasting the defect development process. By virtue of the method, the resolution ratio can be improved; the false anomaly information caused by the outside interference can be effectively eliminated; the position of a stress concentrating area of a pipe body determined and the hazard defect can be identified according to the detected magnetic anomaly data, within allowable deviation range, the abnormal position of a magnetic field of the pipeline can be rapidly determined by moving a magnetometer along the pipeline axis, the stress change caused by local metal defect of the pipe body can be deduced by combining the defected parameter and the change of the hazard index, and thus finally realizing magnetic anomaly extraction and fine interpretation of the buried pipeline stress defect.

A 48V light hybrid vehicle offline detection system and method is provided. The system comprises a scanner, a server, an optoelectronic isolator, a vehicle communication switching system and a host computer; the vehicle communication switching system comprises a main control module, a K interface circuit, a CAN interface circuit and a power module, the power module supplies power for the main control module, the main control module is connected with one end of the optoelectronic isolator, and the K interface circuit and the CAN interface circuit are connected to a vehicle-mounted network through an OBD diagnostic line; the vehicle-mounted network is connected to an engine control module, a motor controller module, a DC converter controller module and a battery management system module; andthe other end of the optoelectronic isolator is connected with the host computer, the scanner is connected with the host computer through the RS232 interface, and the host computer is connected withthe server and a management end computer. The system satisfies the development requirements of the 48V light hybrid vehicle, solves the detection compatibility problem, satisfies the production temporequirement, can convert and recognize the vehicle state, and is comprehensive, accurate and reliable in detection.

The invention relates to an apparatus and a method for remote real-time on-line monitoring and assessment of the pile foundation stability in the freezing-thawing environment. The apparatus comprises a signal receiver, a signal line, a reinforced concrete pile, intelligent aggregates, a temperature sensor, a vibration exciter, an underground signal line, a PZT piezoelectric ceramic plate, a data transmission unit (DTU), a GPRS network, servers, and a user terminal. The apparatus and the method are advantageous in that remote real-time on-line monitoring and assessment of the development of seasonal soil frost heaving in cold regions are realized; the monitoring method is simple and easy; quantitative assessment of the evolution of the stability of the pile foundation in the development process of soil frost heaving is realized; measuring results are accurate and reliable, and real-time assessment and early warning of the pile foundation stability are realized via the analysis of measured data so that remedial measures can be taken in time before the instability of the pile foundation.

The invention discloses a pressure compensation device and a method for detecting whether a compensated device leaks oil. The pressure compensation device is connected with a transmission device working in water or slurry and is used for carrying out pressure compensation on the transmission device. The pressure compensation device comprises a support, a liquid storage tank, a pipeline and flow meters. The liquid storage tank is fixed to the support and located over the working liquid level of the transmission device. The starting end of the pipeline is communicated with the liquid storage tank, and the tail end of the pipeline is communicated with the transmission device. The flow meters are arranged on the pipeline and used for monitoring the flow of liquid in the pipeline, and whether the monitored flow is larger than a preset flow value is judged so as to judge whether the transmission device leaks oil. The pressure compensation device is simple in structure and high in safety and reliability, and no movable component is exposed in slurry; in the method for detecting whether the compensated device leaks oil, few steps are needed, operation is easy, whether the compensated device leaks oil can be accurately and rapidly judged, and then corresponding remedial measures can be taken in time.

The present invention discloses a cold chain management system belonging to the cold chain management technology field. The system comprises a GPS location module, the output end of the GPS location module is electrically connected with the input end of a GPS receiving and dispatching module, the output end of the GPS receiving and dispatching module is electrically connected with the input end of a decoder, the input end of the decoder is electrically connected with the input end of a communication module, the input end of a RFID antenna is electrically connected with the output end of an electronic tag, and the output end of the communication module is electrically connected with the input end of a cloud platform. The environment information and the position information of products in the cold chain transportation process are collected to facilitate grasping in real time; the wireless radio frequency technology is employed to facilitate grasping of product information; the information is uploaded in real time and is collected to the cloud platform, and the information is calculated and processed through the cloud platform of the system to realize information processing and extraction; and if the collected information is abnormal, alarm is timely given, and a mobile terminal performs real-time monitoring to facilitate taking of remedial actions in time.

The invention discloses a tubular centrifuge and a method thereof for keeping balance of a rotating drum. The tubular centrifuge comprises a frame, the rotating drum and a driving device; the driving device is arranged on the frame, is connected with the rotating drum, and is used for driving the rotating drum to rotate around the axis of the rotating drum in the vertical direction; an induction device is used for monitoring if the rotating axis of the rotating drum is deviated from the vertical direction and generating a rotating drum position signal when monitoring that the rotating axis of the rotating drum is deviated from the vertical direction; and a magnetic return device is fixed on the frame, is connected with the rotating drum, is connected with the induction device, receives the rotating drum position signal, and drives the rotating drum to enable the rotating axis of the rotating drum to return to the vertical direction according to the rotating drum position signal. The tubular centrifuge can effectively guarantee the rotating axis of the rotating drum to be always in the vertical direction, enables the rotating drum to keep the balance state, and effectively guarantees stable operation.

The invention discloses a water quality monitoring system. The water quality monitoring system comprises a fish pond. The fish pond is provided with a fish pond water inlet and a fish pond water outlet, the fish pond water inlet and the fish pond water outlet are connected through a circulating water pipe for realizing circulation of water of the fish pond, and the circulating water pipe is successively connected with a filter, a PH value adjusting pool and a water circulating heating bed. According to the invention, the water quality monitoring system can effectively reduce the culture water change frequency, increases economic benefits, solves the problem that a conventional aquaculture method mainly employs artificial feeding, improves the work efficiency, facilitates water quality monitoring of fishery aquaculture, and in case of water quality problems, enables fishermen to take remedial measures timely so as to reduce their loss.

The invention discloses an Internet learning behavior power-law distribution probability modeling method in large-scale online education. The method includes the steps of 1, obtaining a primary influence factor set Fori of Internet learning behaviors B in line with power-law distribution; 2, adding factors the correlation coefficients of which are greater than a set correlation coefficient threshold valve r into a candidate influence factor set Fcon; 3, adding factors with causal relations with the Internet learning behaviors B into a final influence factor set F; 4, disclosing a probability model assumption of Internet learning behavior power-law distribution; 5, creating a probability model representing the probability that learners take part in a learning activity on a certain day; 6, simulating the learning processes of all learners within a course period. According to the method, a universal Internet learning behavior probability model and a learning process generation algorithm are created, the method is suitable for various Internet learning behaviors and capable of achieving prediction on the learning behaviors of the learners in a follow-up period after courses on the basis of the model, correspondingly a teaching plan is dynamically adjusted, and remedial measures are taken in time.

The invention discloses a safety leakproof battery pack which comprises a plurality of battery monomers and a sealed battery box accommodating the battery monomers; the battery box is internally provided with an insulating flame retardant liquid, and the battery monomers are immersed in the insulating fire retardant liquid; an inert gas is arranged in the battery box, so that the interior of the battery box is in a positive pressure state.

The invention relates to a cast ingot solidification tail end electromagnetic stirring device applied to the metallurgical industry, in particular to a telescopic cast ingot solidification tail end electromagnetic stirring device applied to a semi-continuous aluminium alloy casting process. The device is fixed on the ground outside a casting well, and comprises two parallel groups of electromagnetic stirring device bodies, pneumatic devices and worm and worm gear lifting devices, which are symmetrical about the longitudinal cross section of the cast ingot solidification tail end; one end of an electromagnetic stirrer positioned in each electromagnetic stirring device body is movably connected with an air cylinder positioned in each pneumatic device; each electromagnetic stirring device body and each pneumatic device are arranged on a bearing steel plate; positioning holes are formed in each bearing steel plate; each worm and worm gear lifting device is fixedly arranged on a base, and one end of each worm and worm gear lifting device is movably connected with each bearing steel plate. According to the invention, the structure is simple, the operation is convenient, the application range is wide, high safety and stability are achieved, the production efficiency is high, the quality of an aluminium alloy cast ingot is improved, and the yield of the cast ingot is guaranteed.

The invention discloses a nonlinear guided wave composite material damage positioning method based on a trapezoidal array, and belongs to the technical field of damage monitoring. The method comprises the following steps of: arranging a sensor array on a structure; selecting an optimal excitation frequency; acquiring the fundamental wave amplitude and the second harmonic amplitude of a signal through the frequency spectrum; calculating nonlinear characteristic parameters of each path before and after damage; and performing two-dimensional positioning on the damage of a composite material according to the change of the nonlinear characteristic parameters before and after damage. According to the monitoring method provided by the invention, a trapezoidal sensor array is used for collecting signals of each path before and after damage, the damage on the structure is positioned according to the change of nonlinear characteristic parameters, the influence of the structure and the material of the structural part is avoided, the requirements of people for monitoring various complex conditions are met, remedial measures can be taken in time after monitoring, so that further deterioration of the material is prevented, and accident risks caused by further deterioration are reduced.

The embodiment of the invention provides a method for positioning a portable intelligent device. The portable intelligent device is in communication connection with a positioning system, and a management center server sends a maintenance instruction to each UWB base station at preset first time intervals. Each UWB base station is used for forwarding the maintenance instruction to a UWB portable intelligent device in respective communication range. Position information including position coordinates are generated when receiving a reply signal returned by a first UWB portable intelligent devicefor the maintenance instruction. Position information returned is recorded by each UWB base station when each UWB base station records the position information. Alarm information is generated if it isdetermined that the position coordinates are located outside the specified area. If the position information with a second device identifier is not received within the preset second time, a pluralityof pieces of second position information with the second device identifier are acquired from a plurality of pieces of recorded position information, and each piece of second position information is displayed. The positioning precision and efficiency can be improved.

The invention relates to a method of detecting the multilayer vacuum bag film leakage point by means of an oxygen-sensitive substance. The oxygen-sensitive substance is added to the intermediate layer of a multilayer vacuum bag film and the oxygen-sensitive substance is maintained in an non-oxidative state, and then the multilayer vacuum bag film is placed in the air, the point with color change under the observation is the leakage point, the oxygen-sensitive substance changes color as meeting the air, the color change is visible to naked eye, the layers of the multilayer vacuum bag film are equal to and greater than 3, and the intermediate layer is any one or more interlayers between the inner surface layer and the outer surface layer of the vacuum bag film. The method can automatically detect its own air tightness based on the external oxygen concentration change of the vacuum bag film, accurately and quickly find out the place of leakage, and timely take remedial measures, and guarantees the moulding pressure of a composite material member, thereby saving the production cost, improving the production efficiency, and having the advantage of industrialized popularization.

The invention relates to the field of engineering construction, in particular to a high-precision construction method for a vertical column in a cover-excavation type subway station, which comprises the following steps: S1, surveying and setting out; s2, drilling a pile hole; s3, steel stand columns are poured and hoisted; in the drilling construction process and the steel stand column installation process, the limiting monitoring device is used for limiting the drilling barrel in the horizontal direction, the perpendicularity of the drilling barrel is monitored in real time, and therefore it is guaranteed that the perpendicularity of the cast-in-situ bored pile is stable in the hole forming process and the steel stand column installation process. The construction method has the effect of improving the construction precision of the subway station middle stand column.

The invention provides a cable rope with multiple functions. One or multiple of an elastic rope, a speed sensor, an acceleration sensor, a GPS (Global Positioning System) and a position sensor are arranged on the cable rope. The cable rope can be applied to the fields of buildings, fire protection, rescue, entertainment and the like.

The invention provides a fault identification method, which is applied to the field of information security, and comprises the following steps ofacquiring equipment data of network equipment, the equipment data comprising a plurality of types of data,for each category, processing the equipment data of the category to obtain category fault data corresponding to the category,processing at least oneof the equipment data and the category fault data to obtain a comprehensive fault condition of the network equipment,and determining whether the network equipmenthas a security risk based on the category fault data and the comprehensive fault condition. The invention further provides a fault identification device, computing equipment and a medium.

The invention relates to a civil engineering building structure reinforcing device, which comprises a reinforcing assembly, the reinforcing assembly comprises an upper reinforcing plate, an upper reinforcing convex plate is fixedly connected to the top face of the upper reinforcing plate, and an inserting hole is formed in the left end of the upper reinforcing plate; through a limiting mechanism, people can adjust the inclination of the reinforcing inclined rod and the thrust of the reinforcing inclined rod to the upper reinforcing plate, traditional passive supporting is replaced with active supporting, the reinforcing effect is better, through the force fixing structure, the position of the limiting mechanism is fixed, then the inclination of the reinforcing inclined rod is kept unchanged, and through the monitoring structure, According to the civil engineering building structure reinforcing device, whether the civil engineering building structure reinforcing device deforms due to overlarge load or not can be detected in real time, through the monitoring mechanism, the monitoring structure gives out alarm sound under the condition that the civil engineering building structure reinforcing device deforms due to overlarge load, so that workers can take timely remedial measures, the safety performance is high, and the practicability of the civil engineering building structure reinforcing device is improved.

The invention relates to a method for optimizing a structure of a laminated glass product, belongs to the technical field of laminated glass and solves the problem in the prior art that the dynamic failure of laminated glass cannot be effectively overcome. The method comprises the following steps of establishing a physical test model including an initial structure of a laminated glass product andan impact head; applying impacts of different speeds perpendicular to the glass plate surface to the laminated glass product through the impact head to obtain a dynamic stress intensity factor-crack tip position curve at the crack tip, and an action time of the stress wave on the crack tip; obtaining a critical conditions for dynamic cracks of the laminated glass product according to the curve andthe action time of the stress wave on the crack tip so as to obtain the speed and quality of the impact object under the critical conditions, determining whether the speed and quality meet the designrequirements, adjusting the properties and thickness of the laminated glass if not, repeating the above steps until the requirements are met, and completing the structural optimization.

The invention belongs to the technical field of new energy automobiles and relates to a remote monitoring system for a new energy automobile. The remote monitoring system includes a vehicle-mounted terminal, the output end of the vehicle-mounted terminal is electrically connected to the input end of a wireless communication module, and the output end of the wireless communication module is electrically connected to the input end of a communication base station. The output end of the communication base station is electrically connected with the input end of a monitoring center. The vehicle-mounted terminal includes an automobile data recorder, a GPS positioning module and a data acquisition module. The monitoring center includes a communication server, a data server and an application server, the monitoring of various data during the operation of the new energy automobile is effectively achieved, the monitoring is comprehensive, the real-time performance is strong, the data transmissionspeed is quick, the stability is high, and the running safety of the new energy automobile is ensured. When the new energy automobile has a fault, remedial measures can be taken timely. The monitoring system has high flexibility and reliability to meet the needs of use.

The invention relates to a method for detecting Al3<+> ions generated during early corrosion of an aluminum alloy. The to-be-detected aluminum alloy is placed into quinaldine acid aqueous solution, quinaldine acid molecules and Al3<+> form a chelate to enhance the fluorescence intensity of the solution, the fluorescence spectrum is detected by a fluorescence spectrometer to obtain the Al3<+> ion amount generated by aluminum alloy corrosion, and the corrosion degree of the aluminum alloy is predicated. Compared with the prior art, the method has the advantages of simple and feasible operation and high sensitivity; the method is suitable for early corrosion detection of the aluminum alloy and is worth of being popularized and utilized. Due to the fact that quinaldine acid serves as a fluorescent probe, the early corrosion state of the aluminum alloy in a using process is conveniently and quickly monitored and detected, and a remedial measure is timely taken. The service life of the aluminum alloy is prolonged.

The invention relates to the technical field of logistics monitoring and discloses a logistics transportation system. According to the technical scheme, the system is characterized by comprising a data acquisition module used for monitoring the temperature and humidity conditions of goods in real time and converting the temperature and humidity conditions into electric signals to be output, and acontrol module used for receiving, processing and outputting output signals of the data acquisition module; a plurality of data acquisition modules are respectively positioned on a device for carryinggoods; the output ends of the data acquisition modules are wirelessly transmitted to the input end of the control module through the transmission module; the output end of the control module is electrically connected with a background module used for displaying the real-time temperature and humidity conditions of the goods, and the output end of the control module is electrically connected with abroadcasting module used for converting the temperature and humidity conditions of the goods into voice information to be output. The method is suitable for logistics transportation.

The invention discloses a method for testing impurities on the surface of cheese dyed polyester fibers. The method includes four steps: sampling, weighing of samples, processing of samples and calculation of results. The change in weight was used to calculate the impurity content on the fiber surface. The test method described in the invention can be used for evaluating the quality of the cheese dyed polyester fiber, and can also be used to predict the impact of the surface impurities of the cheese dyed polyester fiber on the subsequent application and processing.

The invention discloses an ultra long life energy-saving straight bar electric heating system for an aluminum extrusion cylinder. The system comprises a heating casing and an operation panel arrangedat an upper portion of the heating casing, wherein multiple support plates placed in parallel are mounted in the heating casing, an electric heating tube, a temperature sensor and a smoke sensor are fixed to an inner wall of the heating casing through the support plates, the connection portion between the electric heating tube and the support plates is provided with an insulating member, a thermocouple is placed on the top of the electric heating tube, the thermocouple is connected through a cable with a temperature display located outside the heating casing, a controller, a power controller and an alarm are arranged on the operation panel, an input end of the controller is electrically connected with output ends of the temperature sensor and the smoke sensor, an output end of the controller is connected with input ends of the power controller and the alarm, the power controller is connected with a main gate through a wire, a circuit conductor connecting an electric heating wire is placed in the main gate, and the electric heating wire is installed in the electric heating tube.

The invention discloses an intelligent goods information statistics and classification system for an online trade agent, relates to the technical field of Internet, and aims to solve the problems that the number of goods of the existing online trade agent is large, management and statistics of the goods are inconvenient, the labor intensity of workers is greatly increased, the working efficiency is reduced, and the efficiency is high. Comprising a terminal server, a classification statistical system and a commodity management system, and the terminal server is electrically connected with the classification statistical system and the commodity management system. The online trade agent intelligent cargo information statistical classification system can automatically classify a large number of cargos in detail, can automatically judge whether the cargos are prohibited cargos or not during classification, and can facilitate a user to quickly find the cargos needed by the user after the cargos are classified, so that the labor intensity of workers is greatly reduced, and the user experience is improved. The goods classification efficiency is improved, and the goods can be automatically priced according to the sales conditions of the classified goods, so that the goods can be maximized in profit.

The invention relates to a method of detecting the multilayer vacuum bag film leakage point by means of an oxygen-sensitive substance. The oxygen-sensitive substance is added to the intermediate layer of a multilayer vacuum bag film and the oxygen-sensitive substance is maintained in an non-oxidative state, and then the multilayer vacuum bag film is placed in the air, the point with color change under the observation is the leakage point, the oxygen-sensitive substance changes color as meeting the air, the color change is visible to naked eye, the layers of the multilayer vacuum bag film are equal to and greater than 3, and the intermediate layer is any one or more interlayers between the inner surface layer and the outer surface layer of the vacuum bag film. The method can automatically detect its own air tightness based on the external oxygen concentration change of the vacuum bag film, accurately and quickly find out the place of leakage, and timely take remedial measures, and guarantees the moulding pressure of a composite material member, thereby saving the production cost, improving the production efficiency, and having the advantage of industrialized popularization.

The present invention provides a groundwater recharge capacity evaluation method which comprises the steps of (1) measuring the maximum water depth L of a facility to be evaluated after a rainstorm, (2) measuring the stable permeation rate K of the substrate of the facility, wherein, for an impermeable substrate, K=0, for a soil substrate, the stable permeation rate is tested by using soil taking ring knife sampling, (3) evaluating recharge capacity, the runoff infiltration capacity coefficient d of the facility to be evaluated satisfies a formula d=L*K, wherein, when d is 0, the groundwater recharge capacity is poor, when d is larger than 0 and is smaller than or equal to 10, the groundwater recharge capacity is weak, when d is larger than 10 and is smaller than or equal to 20, the groundwater recharge capacity is medium, and when d is larger than 20, the groundwater recharge capacity is strong. The groundwater recharge capacity evaluation method is used for rapidly evaluating the groundwater recharge capacity in a sponge city design process so as to realize the design of a sustainable development sponge city or implement remedial measures conveniently and timely.

The invention discloses a biomass resource compost pressed film sealing system and a circulation sealing method. The biomass resource compost pressed film sealing system comprises two water pipe bags,two first tee joint, a first water pipe, a second tee joint, a first four-way joint, a water inlet pipe, a second water pipe, a third water pipe, a fourth water pipe and a water tank, and two ends ofeach water pipe bag are respectively communicated with the first tee joint; the first tee joint on one side is communicated with one end of the first water pipe, the end part of the first water pipeis communicated with the lower end of the water tank, the first tee joint on the other side is communicated with the second tee joint, the first four-way joint is connected with the water inlet pipe,a fourth valve is arranged on the water inlet pipe, and the first four-way joint is communicated with the second tee joint through the second water pipe, and a fifth valve is arranged on the second water pipe. The first four-way joint and the first water pipe are communicated and connected through the third water pipe, a sixth valve is arranged on the third water pipe, the first four-way joint andthe water tank are communicated and connected through the fourth water pipe, a seventh valve is arranged on the fourth water pipe, the labor intensity is reduced, and the operation efficiency is improved; water in the water tank can be recycled so that energy conservation and emission reduction are realized.

The invention provides a signal emission warning device for monitoring falling off of forklift form-relieved teeth on the basis of a magnetic induction system. The signal emission warning device comprises a trigger circuit loop formed by a power source, a signal generator and a magnetic induction switch. The signal generator is connected with a signal emission end. The magnetic induction switch comprises two contactors on the trigger circuit loop, a first electromagnetic sheet and a second electromagnetic sheet, wherein the contactors do not make contact with each other, and the second electromagnetic sheet is located between the contactors and the first electromagnetic sheet. When the form-relieved teeth are connected with a bucket normally, the second electromagnetic sheet is attracted by the first electromagnetic sheet, so that the trigger circuit loop is disconnected. When the form-relieved teeth and the bucket generate relative displacement or rotation, the contact area between the second electromagnetic sheet and the first electromagnetic sheet is reduced, as a result, mutual magnetic force is reduced, thus, the second electromagnetic sheet is separated from the first electromagnetic sheet and attracted by the two contactors so that the trigger circuit loop can be communicated, and the signal generator generates signals to be sent out through the signal emission end. The device is low in cost, small and exquisite in design, easy to install and capable of discovering falling off of the form-relieved teeth in time.

The invention relates to a control system used for a submersible electric pump. The control system used for the submersible electric pump comprises a plurality of paths of data acquisition modules, a data processing module, a display module and a parameter adjusting module, wherein the paths of data acquisition modules, the display module and the parameter adjusting module are all connected with the data processing module; the paths of data acquisition modules are used for acquiring operating parameters of the submersible electric pump and transmitting the acquired operating parameters to the data processing module; the data processing module is used for processing the operating parameters acquired by the data acquisition module and feeding back a processing result to the display module; and the parameter adjusting module is used for inputting an alarm threshold value of the operating parameters and comparing the alarm threshold value with the processing result of the data processing module, and the data processing module is further used for displaying alarm information on the display module according to a comparison result. The control system is used for acquiring information of the submersible electric pump and surrounding environment information during operation of the submersible electric pump in real time, and the service life of the submersible electric pump is greatly prolonged.

The invention discloses a data analysis system and analysis method based on an informatization platform. The system comprises a central processing unit, and a data analysis module, a data processing module and a data management module which are connected with the central processing unit; the input end of the central processing unit is electrically connected with the output end of the data processing module, the central processing unit and the data analysis module are in bidirectional connection, and the data processing module is used for collecting data information related to a product; the data analysis module is used for analyzing the collected data information; and the data management module is used for managing the collected data information according to the analysis result. According to the invention, the product information responsible by each department can be collected in detail, the statistical speed is fast, the time is saved, the working efficiency is improved, the staff can observe the product data information condition more intuitively after collection, the data can be well analyzed, the quality condition of the data can be analyzed in detail, and a worker can know conveniently.