37results about How to "The monitoring effect is accurate" patented technology

The invention discloses an asphalt pavement deformation monitoring system based on OFDR and a use method. The asphalt pavement deformation monitoring system based on the OFDR comprises a strain sensing optical fiber, a temperature compensating optical fiber, an optical fiber data collection and transmission system, an optical fiber data processing and analysis system and a monitoring result display system. By adopting an S-shaped distributed sensing optical fiber on the surface of a geogrid and embedding the geogrid in the middle of an asphalt pavement, optical fiber data are collected and transmitted in real time by using a data acquisition instrument; and information, such as strain and temperature change, of the asphalt pavement is obtained by using the optical fiber data processing system and displayed by using a monitoring result display system. Compared with the prior art, the asphalt pavement deformation monitoring system based on the OFDR has the advantages of high sensitivity,high spatial resolution, large measuring accuracy, high anti-interference capability; the strain of the asphalt pavement can be monitored in real time to obtain the deformation development rule of the asphalt pavement in an expressway.

The invention relates to on-line monitoring equipment and a method of pipes, in particular to on-line monitoring equipment and a method of PVC (polyvinyl chloride) pipes with unqualified bending. The equipment comprises a roll-over stand, a roll-over air cylinder controlling the roll-over stand to move, and a material roll-over stand used for placing the monitored pipes, and further comprises a lifting mechanism arranged on the roll-over stand, a first distance detection switch for detecting whether the roll-over stand receives the pipes and controls the lifting mechanism to move, and a second distance detection switch for controlling the roll-over air cylinder to move, wherein the second distance detection switch is arranged over the central positions of the pipes to be measured. Whether the pipes are qualifiedor not is judged by detecting the central distances of the pipes, the qualified pipes and the unqualified pipes are classified, and the equipment is simple in structure and practical and low in transformation input.

The invention discloses a multi-human-body vital sign synchronous monitoring system and method based on millimeter wave perception. The multi-human-body vital sign synchronous monitoring system comprises a millimeter wave radar front-end module, a microcontroller, a processor, and a display and recording module, wherein the millimeter wave radar front-end module is used for transmitting a linear frequency modulation continuous wave microwave or millimeter wave signal, receiving a reflected echo signal, and generating multi-channel intermediate-frequency baseband signals; the microcontroller sets and controls waveform parameters, transmitting power, signal gain parameters and the monitoring process and sets and controls collecting parameters of a signal collecting module of the processor; the processor extracts vital sign parameter information of the human body from the multi-channel intermediate-frequency baseband signals; and the display and recording module is used for displaying and storing the information which is obtained by the processor and comprises the multi-human body position information, chest wall micro-motion displacement information and the vital sign parameters. The non-contact vital sign monitoring system and the non-contact vital sign monitoring method which are high in measurement precision, strong in anti-interference capability, reliable and stable are provided for synchronous monitoring of vital signs of multiple human bodies.

The invention provides an unmanned aerial vehicle hyperspectral image pine wood nematode disease identification method based on deep learning. The method comprises the following steps: S1, extracting a suspected diseased wood area from a hyperspectral image obtained by an unmanned aerial vehicle through an image segmentation network; S2, extracting a spectral feature vector and a spatial feature vector of the suspected diseased wood area through a deep learning network; S3, identifying the category of the suspected diseased wood area according to the spectral feature vector and the spatial feature vector. According to the method, autumn color-changing larch trees, bare forest lands and pine wood nematode disease wood can be effectively distinguished, the disease wood can be recognized with high accuracy even for low-canopy-density forest areas and in the middle and late periods of autumn, and the timely and accurate disease wood monitoring effect can be achieved.

The invention discloses an arc monitoring and protection system based on pressure protection, which can accurately and effectively detect an arc in a medium-high voltage DC enclosed power distributioncabinet, thereby realizing effective protection. The technical scheme of the invention is that an arc sensor is a fiber optic cable, and the arc sensor is serpentinely laid in the power distributioncabinet; and a pressure sensor is a monocrystalline silicon pressure switch, and the pressure sensor is arranged in a multi-point redundant manner inside the power distribution cabinet. A quick grounding switch is arranged in an outlet circuit of the power distribution cabinet. An arc signal processing unit acquires an arc signal from the arc sensor, determines whether an arc occurs in the power distribution cabinet, and sends a determination result to a DSP processor. A pressure signal processing unit obtains a pressure signal from the pressure sensor to determine whether a sudden increase inpressure occurs in the power distribution cabinet, and sends a determination result to the DSP processor. The DSP processor makes an AND logic decision and, if a fault arc occurs in the power distribution cabinet and the pressure in the power distribution cabinet suddenly increases, sends a grounding command to the quick grounding switch to control the grounding of the quick grounding switch.

The invention relates to monitoring equipment, and particularly relates to field water level monitoring equipment for field water conservancy. The technical purpose to be solved is to provide the field water level monitoring equipment which can monitor the field water level more accurately without the need to see the field water level with naked eyes for field water conservancy. The equipment comprises a bottom plate, supporting rods, a cross rod and a monitoring mechanism, the supporting rods are symmetrically installed on both left and right sides of the top of the bottom plate, fixing mechanisms are arranged on the supporting rods on both left and right sides, the cross rod is installed between the upper portions of the inner side faces of the supporting rods on both left and right sides, and the monitoring mechanism is arranged in the middle of the front side face of the cross rod. By means of an observing mechanism, the water level in a field can be known by an operator more visually, and the effect of monitoring the field water level more accurately without the need to see the field water level with the naked eyes is achieved.

The invention discloses an underground transformer station heating and ventilating system fault monitoring system. The monitoring system comprises at least one light emitting diode and a miniaturized wind power generator arranged at an exhaust port of a ventilating pipeline terminal to be detected for detecting wind power at the exhaust port. The miniaturized wind power generator is provided with a fan structure, the output end of the miniaturized wind power generator is connected with and supplying power to the light emitting diode, and the rated output power of the miniaturized wind power generator matches the total light emitting power of the light emitting diode. The system provided by the invention has the following advantages: the monitoring system is ingeniously designed, the health state of a ventilating system is fed back through monitoring exhaust wind power of a ventilating pipeline, and the monitoring effect is better and more accurate.

The invention discloses an information sending amount monitoring method, device and equipment and a storage medium, and relates to the technical field of information processing, in particular to the technical field of big data. The information sending amount monitoring method comprises the following steps: determining a first number set, wherein a plurality of telephone numbers in the first numberset are target telephone numbers for information sending; determining a second number set, the second number set is used for monitoring an information sending result, and the second number set comprises effective telephone numbers and empty numbers; and based on the telephone numbers in the first number set, determining one or more telephone numbers in the second number set as monitoring numberscorresponding to the first number set.

The invention provides a temperature monitoring and alarm device for a wooden structure. The temperature monitoring and alarm device comprises a main monitoring mechanism, and a plurality of sub-monitoring mechanisms; an insulated hollow base is arranged on the bottom of the main monitoring mechanism; each sub-monitoring mechanism is connected to the base through a wire; the wires are mounted on awire take-up mechanism in the base, so that the relative positions between the sub-monitoring mechanisms and the main monitoring mechanism can be freely stretched. The temperature monitoring and alarm device can monitor the temperature change in an area of the wooden structure, instead of a single point temperature change, the monitoring effect is more precise, the distances between the sub-monitoring devices and the main detecting device can be adjusted, and the monitoring range can also be adjusted according to needs. The monitoring range is wide, the temperature monitoring and alarm deviceis suitable for various types of wooden structures, and the detection accuracy is good. The temperature monitoring and alarm device adopts an alarm mode combining remote monitoring and on-site alarm,and the monitoring alarm effect is good.

The invention discloses an electromagnetic environment monitoring device insusceptible to weather. The device comprises an electromagnetic environment information collector, a lightning protection system, an information processing circuit, a central processing unit and a power supply module; the output end of the electromagnetic environment information collector is electrically connected with theinformation processing circuit through the lightning protection system; and the output end of the central processing unit is remotely connected with a server terminal through a Bluetooth transmissionmodule. The electromagnetic environment monitoring device is insusceptible to meteorological factors such as lightning, rain, frost, etc., and can perform real-time continuous monitoring around the clock; and the device itself can be protected, and at the same time, and the normal operation of electromagnetic environment monitoring work can be facilitated; the intensity signals of a power frequency magnetic field and a power frequency electric field can be accurately detected, so that the monitoring of an electromagnetic environment can be facilitated, and therefore, the monitoring effect of the electromagnetic environment can be more accurate.

The invention discloses an intelligent monitoring method and system for the operation state of process production equipment, and the method comprises the steps that data, obtained through the operation of the process production equipment under each mode of two types of production conditions are obtained as source domain data and target data; a target function is constructed by utilizing source domain data and target data to carry out migration dictionary learning, an obtained dictionary can map a source domain and a target domain into an invariant subspace, and inter-domain distribution difference is eliminated in the subspace, so that external condition information of the data of the subspace is eliminated, and meanwhile, public internal mechanism information is reserved; and the online monitoring data can be monitored by using an OMP algorithm and a kernel density estimation algorithm. The monitoring method and system provided by the invention have strong generalization ability, andcan still obtain an accurate monitoring effect when the online monitoring data and the historical training data obey different distributions.

The invention discloses an implantable concrete member damage monitoring device and method based on circumferential knocking, the implantable concrete member damage monitoring device comprises a metal shell, a PZT sensor, a circumferential knocking assembly and a main control module, and the circumferential knocking assembly comprises a rotary base, an electromagnet, an elastic part and a limiting part; a coil of the electromagnet is fixedly arranged on the steering base, a soft iron core of the electromagnet is movably sleeved with the coil, the two ends of the soft iron core axially protrude out of the coil, an abutting part is fixedly arranged at one end of the soft iron core, the other end of the soft iron core faces the inner wall of the metal shell in the radial direction of the metal shell, and the elastic part is arranged between the abutting part and the coil. According to the invention, an implantable design architecture is adopted to integrate an excitation source and a signal monitoring component, maintenance and replacement are facilitated, stability and large energy of signals can be ensured, the monitoring effect on concrete construction damage is more accurate, and electromagnet knocking has multiple directionality and a wider monitoring range.

The invention relates to monitoring equipment, and particularly relates to field water level monitoring equipment for field water conservancy. The technical purpose to be solved is to provide the field water level monitoring equipment which can monitor the field water level more accurately without the need to see the field water level with naked eyes for field water conservancy. The equipment comprises a bottom plate, supporting rods, a cross rod and a monitoring mechanism, the supporting rods are symmetrically installed on both left and right sides of the top of the bottom plate, fixing mechanisms are arranged on the supporting rods on both left and right sides, the cross rod is installed between the upper portions of the inner side faces of the supporting rods on both left and right sides, and the monitoring mechanism is arranged in the middle of the front side face of the cross rod. By means of an observing mechanism, the water level in a field can be known by an operator more visually, and the effect of monitoring the field water level more accurately without the need to see the field water level with the naked eyes is achieved.

The invention relates to the electric power monitoring technology field and discloses a 3-1000KV cable terminal insulation fault monitoring method. A data acquisition sensor, an aging device host, a data acquisition wireless terminal, a mobile network, a cloud server, a background data management system, an APP management system and a data acquisition transmission optical fiber are included. Faultinformation is timely alarmed or early warned and notified so that first-aid repair personnel can conveniently know an actual condition of a cable terminal in time. Because the cloud server transmitsfault data information to the background data management system and the APP management system, a manager can inquire real-time operation data information of the cable terminal through a computer or acollection APP, and the aged cable terminal can be timely replaced. Real-time on-line cable terminal operation data is achieved, timely early warning is performed on a cable terminal fault, and accidents such as cable breakdown, an interphase short circuit, a grounding fault, an explosion fire disaster and the like caused by aging of the cable terminal are avoided.

The invention relates to the technical field of coal mine dust removal, in particular to a coal mine mining dust prevention system and its application method. The exhaust mechanism designed in the present invention is provided with an exhaust fan and a spare exhaust fan. When the dust concentration increases, the standby exhaust fan can be turned on to enhance the dust removal effect. The designed dust removal mechanism adopts the cylindrical surface of the first dust removal cover and the second dust removal cover as the dust removal surface, which increases the dust removal area and obtains better dust removal effect. At the same time, when the standby exhaust fan is turned on for dust removal, it can also ensure good dust removal effect. The designed elastic water pipe and the support pipe are slidingly connected, and the water curtain door can be moved without dismantling the water curtain door. The designed monitoring mechanism can monitor the dust concentration in real time. When the dust concentration is too high, it can send a signal to the control center to turn on the backup exhaust fan to enhance the dust removal effect. The monitoring mechanism is designed with a telescopic cylinder and a cleaning block, which can realize regular automatic cleaning of the lens and ensure the monitoring effect of the monitoring mechanism is accurate.

The invention discloses a visual double-fusion online temperature measurement system, which comprises a monitoring center, a background server, a data transmission module and a plurality of monitoringdevices, and is characterized in that the monitoring center comprises an image monitoring module, an alarm management module, an image management module, a system management module, a network connection module and a storage module; according to the visual double-fusion online temperature measurement system, the monitoring devices are installed at the cabinet doors of the power distribution cabinets respectively, installation is rapid and convenient, the monitoring devices can shoot high-definition pictures and thermal images in the power distribution cabinets in real time and transmit the pictures and the thermal images to a background server or a monitoring center through the data transmission module. The monitoring center can analyze and manage the received information in real time andtimely give an alarm for abnormal conditions in the power distribution cabinet; the system can effectively save manpower and material resources, the monitoring effect of the system is accurate, and serious faults in the power distribution cabinet can be avoided.

The invention discloses a soft package battery module and a manufacturing method thereof. In one embodiment of the invention, the soft package battery module comprises a soft package battery module body which comprises a soft package battery pack, a battery protection plate and a battery pack top plate; an optical fiber demodulator which is fixed on the battery pack top plate; and an optical fibergas sensor which is fixed at a position, close to the tab of the soft package battery in the soft package battery pack, on the battery protection plate and is connected with the optical fiber demodulator through the optical fiber of the optical fiber gas sensor. Real-time gas monitoring can be carried out on the independent soft package battery module, the signal interference resistance is high,the durability is good, the soft package battery module can be used in severe environments of high temperature, high voltage and the like, a sensitive and accurate monitoring effect is achieved, and safety accidents caused by toxic and harmful gas leakage of the soft package battery module can be greatly reduced.

Disclosed are a soft pack battery module and a manufacturing method thereof. In an embodiment of the present application, the pouch battery module includes: a pouch battery module body, including a pouch battery pack, a battery heat conducting separator, and a battery pack top plate, and adjacent pouch batteries in the pouch battery pack Separated by the battery heat-conducting separator; the optical fiber demodulator is fixed on the top plate of the battery pack; the optical fiber liquid leakage sensor is fixed on the side of the battery heat-conducting separator surface and connected with the optical fiber through its optical fiber Modem connection. The embodiment of the present application can not only monitor the ground leakage in real time for the independent pouch battery module, but also has strong anti-signal interference performance and good durability, can be used in harsh environments such as high temperature and high voltage, and has sensitive and accurate monitoring effect , can greatly reduce the safety accidents caused by the leakage of the pouch battery module.

The invention belongs to the technical field of smelting, and particularly relates to a blockage monitoring device of mineral slurry separation equipment and a control method of the blockage monitoring device. The blockage monitoring device comprises cyclones, each cyclone comprises a first discharge port, a second discharge port and a third discharge port, the first discharge ports are communicated with a first material cavity through material guide pipes, the second discharge ports are arranged in a second material cavity in an opening manner, and the feed ports communicated with a materialmixing cavity. By arranging monitoring sensors on or beside the cyclones, the change of a material outlet or a material inlet is monitored in real time under the condition that the working state of the cyclones is not influenced, so that the working state of the cyclones is known in time, the monitoring effect is accurate, the monitoring device is durable and reliable, and the product quality is greatly improved.

The invention discloses a method and system for intelligently monitoring the running state of process production equipment, wherein the method includes: acquiring data obtained by operating the process production equipment in each mode under two production conditions respectively as source domain data and target data; Using the source domain data and target data to construct the objective function for transfer dictionary learning, the obtained dictionary can map the source domain and the target domain into an invariant subspace, in which the difference in distribution between domains is eliminated, so that the subspace The external condition information of the data is eliminated, while the public internal mechanism information is preserved; the online monitoring data can be monitored by using the OMP algorithm and the kernel density estimation algorithm. The monitoring method and system of the present invention have strong generalization ability, and can still obtain accurate monitoring effect when the online monitoring data and historical training data obey different distributions.

The invention discloses a monitoring system for a line protective cabinet. The system comprises a general monitoring unit module, a signal transfer, alarm and display module and a storing and printingmodule. The general monitoring unit module is composed of a voltage and current detection module, a current sensor, a voltage sensor, a frequency tester, a current wavelength detector, an infrared camera, an infrared thermal imaging instrument, a temperature and humidity sensor, an electric quantity recorder, a GPS positioning module and a door magnetism detection module. The signal transfer, alarm and display module is composed of a first signal processing module, a computing chip, an alarm predicting module, a remote wireless alarm module, a liquid crystal signal display, an alarm indicating lamp and an alarming loudspeaker. The storing and printing module is composed of a second signal processing module, a storage chip and a printing module. The monitoring system has the advantages ofsimple structure and high practicality.

The invention discloses an implantable concrete member damage monitoring device and method based on directional knocking. The implantable concrete member damage monitoring device comprises a metal shell, a PZT sensor, a directional knocking assembly and a main control module, wherein the PZT sensor, the directional knocking assembly and the main control module are all arranged in the metal shell, and the directional knocking assembly comprises an electromagnet, an elastic component and an impact component; a soft iron core of the electromagnet is fixedly arranged in the metal shell, one end of the electromagnet protrudes and abuts against the inner wall of the metal shell, a coil of the electromagnet movably sleeves the soft iron core, the impact component fixedly sleeves one end, abutting against the inner wall of the metal shell, of the soft iron core, and the elastic component sleeves between the coil and the impact component. The excitation source and the signal monitoring component are integrally designed together by adopting an implantable design framework, so that the maintenance and replacement are convenient, the signal stability is good, the signal energy is large, the transmission distance is long, and the monitoring effect on the damage of the concrete structure is more accurate.

A septic tank excrement height monitoring mechanism for vehicles refers to a multi-section protection tube covered with holes of appropriate size that is screwed and sleeved outside the floating block and the monitoring rod, and is set by the multi-section protection tube. The small hole restricts the entry of larger particles of waste, allowing the entry of water and very small waste that does not affect the lifting of the float, so that the float rises and falls according to the height of the water liquid, and the inside of the rod is sensitively monitored by the magnet set on the inner surface of the float The monitoring circuit is used to monitor the height of the feces and display it on the instrument to inform whether the feces should be dumped. It has the advantages of not being affected by fecal particles, sensitive and accurate monitoring, long service life, no odor leakage and easy maintenance.

The invention discloses a heat dissipation mechanism for an air compressor and a control method thereof, aiming to provide a heat dissipation mechanism with two-way heat dissipation inside the motor and the casing and with effective control of the state of the impeller. The main point of the technical solution is to install the cylinder There is a motor protection system for protecting the motor, and the motor protection system is set to include a controller for controlling the start and stop of the motor, an angle detection unit, a speed detection unit, a motor current detection unit, an angle and speed detection unit, a motor The current detection unit is electrically connected with the controller respectively. Through the set controller, the angle detection, speed and motor current detection are used to detect the state of the motor, and have real-time and accurate monitoring effects on the fan. For example, when there is a headwind state When the load current of the motor increases and the speed decreases, the normal operation of the fan can be maintained by increasing the current. The present invention is applicable to the technical field of air compressor equipment.

The invention relates to a device for monitoring whether charge in a blast hole is completely detonated or not. The device comprises a power switch, a 6F22 type button cell, a positioning module, a radio frequency signal generation module, a plastic shell, an enameled wire and an enameled wire fixing rod. Wherein the positioning device and the 6F22 type button battery form a closed circuit and are electrified all the time to keep positioning. The enameled wire is connected to the radio frequency signal generation module and merged into a positioning device circuit to form a break-through type circuit, and is instantly connected to excite a signal after being detonated. The power switch is arranged on the top of the plastic shell. According to the device, the functions of accurately judging whether unexploded residual explosive is left in the blast hole or not and positioning the position of the residual explosive in the blast hole can be realized in modern blasting engineering.

An intelligent fire extinguishing device for an underground roadway, including a monitoring system, an alarm system, a fire extinguishing system and a control system. The system and the alarm system are connected separately, and the monitoring system is used to monitor the temperature change of the coal wall of the underground roadway in real time and judge whether there is spontaneous combustion. The present invention adopts the combination of temperature measuring method and gas analysis method to comprehensively judge whether spontaneous combustion occurs to improve the accuracy, and the azimuth memory function can also accurately judge the area where it occurs, and integrates monitoring and fire extinguishing to realize accurate fire extinguishing in a short time, which is more reflected The intelligence of the device. The invention integrates the monitoring and prevention of coal spontaneous combustion, realizes accurate, rapid and intelligent fire extinguishing from multiple aspects, thereby reducing economic losses and ensuring the safety of underground workers.

The invention, which belongs to the technical field of wireless agricultural environmental information collecting systems, provides a low-energy-consumption wireless agricultural environment information collecting system to solve technical problems. The system comprises a data collector, a data receiver, a monitoring server and an environment sensor. The environment sensor includes a temperature and humidity sensor, a PH value sensor, a carbon dioxide sensor, and an ultrasonic wind speed and direction sensor. A sensor wiring device and a data acquisition controller are arranged in the data collector; a signal input terminal of the sensor wiring device is respectively connected to the temperature and humidity sensor, the PH value sensor, the carbon dioxide sensor, and the ultrasonic wind speed and direction sensor; a signal output terminal of the sensor wiring device is connected to a data acquisition controller; and the data acquisition controller is also connected with a sensor type identification module. The system can be applied to the agricultural environment information collection occasions.

The invention discloses a bluetooth earphone, the bluetooth earphone can be accommodated in a charging compartment, and is provided with a pogo pin adapted to the charging compartment; the bluetooth earphone includes: a voltage detection unit for detecting the pogo pin The first voltage of the first voltage; the voltage pulling unit is used to determine that when the first voltage is not greater than the first preset voltage value, the pogo pin is pulled up; the voltage detection unit is also used to detect the pogo pin and a state output unit, configured to compare the second voltage with the first voltage, to compare the first voltage with a first preset voltage value, or to compare the second voltage and the second preset voltage value, and output the status of the earphones according to the comparison results. The structure is simple, and the status of the earphones in and out of the warehouse can be monitored efficiently. The invention also discloses a bluetooth earphone state monitoring method and a readable storage medium.