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

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 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 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 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 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 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 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.

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.