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56results about How to "Health status real-time monitoring" patented technology

IGBT health state monitoring method based on leakage current of collector electrode

The invention provides an IGBT health state monitoring method based on a leakage current of a collector electrode. The method comprises the steps that after installation and debugging and before usage, an IGBT module passing detection is utilized for testing the leakage current of the collector electrode under certain conditions, and the leakage current of the collector electrode is recorded as an initial value; the leakage current of the collector electrode of the IGBT device is tested regularly and is recorded as a testing value; the testing value is taken into a collector electrode leakage current health state monitoring method simulation model, the fatigued aging process and the residual life of the IGBT device can be calculated, and the purpose of monitoring the IGBT health state is achieved; and when the deviation degree of the leakage current of the collector electrode reaches a failure standard, the device is determined to be invalid, at the moment, the IGBT device needs to be changed, and the above steps are repeated. By original state calibration and real-time monitoring, the health state and the reliability of the IGBT device in different life stages can be effectively estimated.
Owner:NAVAL UNIV OF ENG PLA

Install and play-type online monitoring realization system and method

The invention provides an install and play-type online monitoring realization system and method. The install and play-type online monitoring realization system comprises online monitoring nodes, a wireless communication gateway and a control software system, wherein the control software system is used to adopt a dynamic encryption method to perform connection security verification on each online monitoring node through the wireless communication gateway, acquisition of a parameter key and an instruction key is included, and the data communication security is improved; and the online monitoringnodes comprise a collector, a data conversion module, a pre-buffer, a processor, a communication buffer, a wireless transmission module, a battery system and a reset circuit. The install and play-type online monitoring realization system and the method have the advantages that the health statuses of power devices in a substation and a power supply station area can be monitored in real time, and install and play for online monitoring can be realized; through rapid construction of an information acquisition device on the spot, remote and real-time monitoring on the power device can be realized,the operation efficiency of the system can be improved, the manpower and the material resources can be reduced, and the cost can be saved; and thus, the arrangement speed is quick, the system networking is flexible, the cost is low, the power consumption is low, and the extensibility is strong.
Owner:ZHAOTONG POWER SUPPLYING BUREAU OF YUNNAN POWER GRID

Offshore wind turbine state monitoring system and method based on wireless sensor network

The invention discloses an offshore wind turbine state monitoring system based on a wireless sensor network. The offshore wind turbine state monitoring system comprises a plurality of state monitoring sensor nodes which are used for acquiring and processing information and transferring the information to cluster head sensor nodes, a plurality of the cluster head sensor nodes which are used for acquiring and processing the information transmitted by all the state monitoring sensor nodes in a cluster and transferring the information to a master control center and the master control center which is arranged at the bottom of a tower tube of a wind turbine, wherein the plurality of the state monitoring sensor nodes are respectively arranged on blades, a transmission system and the tower tube of the wind turbine; and the plurality of the cluster head sensor nodes are respectively arranged on a wheel hub, an engine room deck and the joints of all the sections of the tower tube of the wind turbine. The system has the advantages of convenience and quickness in layout, comprehensive monitoring, high-efficient communication and the like, and can facilitate fault early warning and service life prediction of the offshore wind turbine under the unattended situation, be conductive to providing a scientific basis for preventive maintenance of the wind turbine, reduce the fault incidence rate and further reduce the maintenance cost of the wind turbine.
Owner:HOHAI UNIV

Method for monitoring poultry health conditions, motion foot ring, server and system

The embodiment of the invention provides a method for monitoring poultry health conditions, a motion foot ring, a server and a system. The method comprises the steps that motion step information of poultry is collected by the motion foot ring, wherein the motion foot ring is installed on an ankle of the poultry throughout the whole growth cycle of the poultry; unique corresponding electronic code information of the poultry is stored in the motion foot ring; and the motion foot ring sends the unique corresponding electronic code information of the poultry and the collected motion step information of the poultry to the monitoring server via a gateway, so that the monitoring server can recognize the poultry according to the electronic doe information and can monitor the health conditions of the poultry according to the motion step information. The monitoring method, motion foot ring, server and system have the advantages that the health conditions of the poultry during the whole growth cycle can be monitored in real time; and traceability of the poultry health conditions during a breeding link and authenticity of traced information can be achieved.
Owner:BEIJING RES CENT FOR INFORMATION TECH & AGRI

Intelligent chair used for measuring human physiology parameters

The invention relates to an intelligent chair used for measuring human physiology parameters. The intelligent chair comprises a seat, a back connected to the seat, a support bar used for supporting the seat and a support foundation connected to the support bar; the back is provided with fiber bragg grating strain sensors; the seat is provided with a fiber bragg grating strain sensor; all the fiber bragg grating strain sensors are serially connected through an optical fiber; and a photoelectric module and a data processing module are connected to the optical fiber led out from the seat. The intelligent chair in the invention is used for monitoring the physiology parameters, such as the heart rate, the respiratory frequency and the weight of human body, and is capable of carrying out non-intrusive real-time monitoring on the health condition of the human body and automatically deciding whether to send out the health early warning signal according to the monitored data.
Owner:BANDWEAVER TECH CO LTD

A step-down DC-DC power supply module remaining service life prediction and health assessment method

The invention discloses a step-down DC-DC power supply module remaining service life prediction and health assessment method, and the steps are as follows: 1. establishing a fault information analysissystem by analyzing the failure reasons of overcurrent, short circuit caused by surge strike, thermal shock, vibration and corrosion of a DC-DC power supply module under the influence of electrical over stress and environment stress; 2. inputting corresponding test signals, monitoring output characteristic signal of the step-down DC-DC power supply module and collecting monitoring data for preprocessing, which is used as learning sample data of a SVM; 3. establishing a prediction model of output abnormality of the DC-DC power supply module by the support vector machine, using the collected sample data for training and learning; 4, training errors between the sample data and the prediction result by establishing a time series, and adding the result with the original prediction data; 5. according to the output signal characteristics of the step-down DC-DC power supply module, establishing health state classification; 6. establishing an artificial neural network system to perform original state identification, and using the collected sample data to train and learn; 7. inputting real-time signals into a prediction system, and comprehensively analyzing the results of the support vectormachine model and artificial neural network system modified by the time series. An intelligent algorithm is utilized to perform step-down DC-DC power module fault prediction and health state assessment, the technical threshold of power supply system maintenance guarantee is lowered, and the method has certain engineering practical value.
Owner:BEIHANG UNIV

Smart home appliance for collecting and displaying user health information

The invention discloses a smart home appliance for collecting and displaying user health information. In view of the problem in the prior art that the smart home device cannot get the human body health information of users in real time and home appliances cannot be operated in real time according to the human body health information, a scheme is put forward. According to the scheme, the smart home appliance comprises a control host arranged in an indoor environment, an environment temperature and humidity and toxic gas monitoring device, a wireless switch, and a portable software terminal; the system is further equipped with a human health information monitoring device and a personnel positioning tag; and the human health information monitoring device is used for monitoring the human body health condition in real time, including blood pressure, heart rate, and body temperature. Multiple sensors are arranged in a carpet. Corresponding data is collected when a person passes by the carpet. The control host stores, processes and analyzes the data, and then outputs a matching health management advice. Through human body information data collection and management, the health of a user can be tracked for a long time, and a matching health management plan can be given in real time.
Owner:ZHUHAI HENGQIN QI XIANG TECH CO LTD

Spherical tank health monitoring system based on optical fiber acoustic emission technique

The invention provides a spherical tank health monitoring system based on an optical fiber acoustic emission technique. The system comprises a signal conditioning subsystem, an electro-optical conversion subsystem, a photovoltaic conversion subsystem, a computer and more than one acoustic emission sensors, wherein the more than one acoustic emission sensors are fixedly arranged at a key part of the surface of a spherical tank to be monitored; the output ends of the acoustic emission sensors are electrically connected with the input end of the signal conditioning subsystem; the output end of the signal conditioning subsystem is electrically connected with the input end of the electro-optical conversion subsystem; the output end of the electro-optical conversion subsystem is electrically connected with the input end of the photovoltaic conversion subsystem; the output end of the photovoltaic conversion subsystem is electrically connected with the input end of the photovoltaic conversion subsystem by virtue of an optical fiber; and the output end of the photovoltaic conversion subsystem is electrically connected with the input end of the computer; and therefore, the health condition of the spherical tank is monitored in real time; and moreover, the system also has the advantages of long transmission distance, good anti-interference performance and the like and can be used for effectively monitoring the health condition of the spherical tank for a long time.
Owner:CHINA SPECIAL EQUIP INSPECTION & RES INST +1

Fan blade detection method and device, device and storage medium

The invention discloses a fan blade detection method and device, a device and a storage medium, and relates to the field of application programs. The method comprises the steps that sound signals generated when fan blades sweep wind are collected through a sound collection device, spectrograms corresponding to the sound signals are generated, image recognition is carried out on the spectrograms through a damage recognition model, and damage recognition results of the fan blades are recognized from the spectrograms. According to the method, the accurate identification of the damage types of thefan blades based on the spectrograms is achieved, the manual inspection is not needed, the manpower resources are saved, and the health state of the fan blades can be monitored in real time.
Owner:ENVISION DIGITAL INT PTE LTD +1

Wearable ultrasonic Doppler blood flow detector and detection method

The invention discloses a wearable ultrasonic Doppler blood flow detector, which comprises wearable equipment, wherein the wearable equipment comprises a collection module, a signal processing moduleand a transmission module; the collection module is used for collecting blood flow speed signals and pulse rates of a human body; the signal processing module is used for processing the collected blood flow speed signals and pulse rates so as to generate target blood flow parameters; the target blood flow parameters include blood viscosity, a vascular resistance index, a pulsatility index, a bloodflow impedance index, an ankle-brachial index and a toe-brachial index; and the transmission module is used for transmitting the target blood flow parameters to an intelligent terminal. The inventionalso discloses a wearable ultrasonic Doppler blood flow detection method. The invention relates to the field of application of ultrasonic Doppler techniques. According to the wearable ultrasonic Doppler blood flow detector and the detection method, the blood flow rates, pulse rates and blood viscosity are detected in a wearing process of a user on the basis of an ultrasonic Doppler principle; therefore, the detector is convenient and rapid to use, and the detector is convenient for the user to monitor vascular health statuses in real time.
Owner:SHENZHEN BESTMAN INSTR CO LTD

Entrance and exit management equipment, system and method

The invention provides an entrance and exit management device, system and method, and the device comprises: a data collection module which is used for obtaining the information of passing persons entering an entrance and exit in any time period, and the information of the passing persons at least comprises the number of the passing persons; the checking module that is used for checking to-be-verified information of the passing person, and the to-be-verified information comprises health state information and / or travel information of the passing person; and the main control module that is used for being connected with the checking module and the data acquisition module, and the main control module outputs statistical information at least based on the passing person information and the to-be-verified information. According to the entrance and exit management data, statistics can be effectively carried out on the entrance and exit personnel, statistics can be carried out on the checked passing personnel in the personnel number, the purpose of monitoring the health state of the passing personnel in real time is achieved, and whether the supervision work is strictly implemented in the area where the entrance and exit management equipment is arranged or not is confirmed.
Owner:北京睿家科技有限公司

Mobile phone capable of monitoring human body health condition

The invention relates to a mobile phone capable of monitoring a human body health condition, which comprises a mobile phone module and a human body health monitoring module, wherein the mobile phone module is used for normal functions of communication, entertainment and storage; the human body health monitoring module is used for monitoring the human body health condition; and the human body health monitoring module comprises a heart rate, blood oxygen and pulse monitor and a human body temperature monitor. According to the technical scheme of the invention, the mobile phone not only has common functions of communication, entertainment, storage and the like, but also has a special function of monitoring the human body health condition.
Owner:SHENZHEN PTAH TECH CO LTD

System and method for detecting health state acoustic emission of lithium ion battery

The invention provides a system for detecting the health state acoustic emission of a lithium ion battery. The charging and discharging equipment is electrically connected with the lithium ion batteryand is used for charging or discharging the lithium ion battery; an acoustic emission sensor is used for receiving an acoustic emission signal inside the lithium ion battery and converting the acoustic emission signal into an electric signal; a processing terminal is electrically connected with the acoustic emission sensor; and the processing terminal is used for receiving the electric signal output by the acoustic emission sensor. The system belongs to non-embedded detection, does not change the internal structure of the lithium ion battery, and improves the safety of the detection of the lithium ion battery.
Owner:SHENZHEN POLYTECHNIC

Equipment with germ prevention function, and vehicle

ActiveCN111481711ARealize self-purification functionNot irradiatedLavatory sanitoryDeodrantsBiotechnologyControl system
The invention discloses equipment with a germ prevention function, and a vehicle. The equipment comprises a central control system, a sterilization device and at least one group of first biological germ induction devices, the sterilization device comprises a first sterilization device and a second sterilization device; the first biological germ sensing devices are arranged in the carriage, each group of first biological germ sensing devices is electrically connected with the central control system, and each first biological germ sensing device comprises a first environment exploration device and a first biological health state monitoring device; the central control system comprises a first control module, and the first control module is used for controlling the first intelligent chip to work when the monitoring value of the first infrared sensor is larger than the standard content value of germs in the first intelligent chip; and / or when the monitoring value of the second infrared sensor is greater than the standard physiological value of the organism in the second intelligent chip, the second sterilization device is controlled to be started. According to the equipment, the life health of drivers and passengers is guaranteed.
Owner:GEELY AUTOMOBILE INST NINGBO CO LTD +1

Security alarm device about residential buildings

The present invention discloses a security alarm device about residential buildings. The security alarm device comprises the interior of a house and a door, and the interior of the house comprises an elderly person living alone, a bracelet health module, a video monitoring device, a processing center, a timing module, a GPS module, an alarm module, a caution module, a doorbell module, a lock cylinder identification module and a distance detection module, wherein the elderly person living alone wears the bracelet health module, the bracelet health module detects the health information of the elderly person living alone and transmits to the processing center real-timely, and the video monitoring device comprises a plurality of cameras installed in the rooms in the house and also comprises three cameras arranged on the door; the image information acquired by the cameras is sent to the processing center, and the doorbell module, the lock cylinder identification module and the distance detection module are all arranged on the door; the doorbell information, the key information of a door body and the people's information within a 2-meter distance with the door are acquired to be sent to the processing center, and the processing center is connected with the timing module when receiving the people's information within the 2-meter distance with the door is received.
Owner:成都希德电子信息技术有限公司

Spherical tank health monitoring system based on wireless sensing node

The invention provides a spherical tank health monitoring system based on a wireless sensing node. The spherical tank health monitoring system comprises a data acquisition gateway and more than one sensor acquisition system, wherein each sensor acquisition system is in wireless connection with the data acquisition gateway. Therefore, the health condition of a spherical tank can be monitored in real time, furthermore, by virtue of a wireless transmission mode, the noise interference brought by long-cable transmission is eliminated, and the monitoring precision and anti-interference capability of the monitoring system are improved.
Owner:招商中特智检(北京)技术有限公司

Pump truck as well as system and method for monitoring fatigue health condition of pump truck boom

ActiveCN104120885AReduce operational riskEffectively exploit the potential of workBuilding material handlingEngineeringHealth condition
The invention discloses a system and a method for monitoring the fatigue health condition of a pump truck boom. According to the system and the method for monitoring fatigue health of the pump truck boom, the real-time stress condition of the pump truck boom is acquired according to pumping parameter information and boom posture information by acquiring the pumping parameter information and the boom posture information in real time, and finally, the fatigue attrition rate is calculated according to accumulated borne stress circulation times and the total fatigue life of the pump truck boom; an operator can know the current health condition of the pump truck boom according to the fatigue attrition rate, and further a measure is taken to reduce the operation risk of the pump truck and guarantee the operation efficiency; the invention further discloses a pump truck on the basis, and the system for monitoring the fatigue health condition of the pump truck boom is arranged on the pump truck.
Owner:SANY GRP

Nursing monitoring system based on wireless sensor network

InactiveCN102427611AEasy to manageReal-time understanding of physical conditionNetwork topologiesWireless mesh networkStructure of Management Information
The invention relates to a nursing monitoring system based on a wireless sensor network, which comprises a plurality of sensor nodes and a central node, wherein the sensor nodes are arranged at a contact point of a user and are used for collecting physiological parameters of the user, and each sensor node comprises a radio frequency module and an MCU (Microprogrammed Control Unit) power management module; the central node comprises a radio frequency module for receiving the physiological parameters collected by the sensor nodes, and transfers the physiological data to a PC (Personal Computer) terminal or an embedded device terminal through a serial port; and the sensor nodes and the central node are in point-to-point connection to form a start network topology structure. According to the invention, the start network topology structure is adopted, resources are concentrated, the network is easy to manage, the coverage area is concentrated, and the stability is strong; low energy consumption is realized between the sensor nodes and the central node through a CSMA / CA (Carrier Sense Multiple Access with Collision Avoidance) control protocol; and nursing personnel can conveniently know physical conditions of a patient in real time, and the aim of real-time monitoring the physical conditions of the patient is effectively achieved.
Owner:DALIAN CHUANGRUI COMP TECH

Information system used for monitoring state of operators in real time

The invention relates to the technical field of power transmission equipment, in particular to an information system used for monitoring state of operators in real time, which comprises a wearable device for acquiring data and a data visualization application platform, wherein the wearable device is used for collecting the body health state of the on-site construction operator and whether the on-site actual operator conforms to the auditing personnel or not; and the data visualization application platform is used for visually reflecting the related data acquired by each information acquisitionterminal and monitoring the body health and operation position information of the current operator in time. By applying the system, the body health state and the personnel conformity of operating personnel are detected, and efficient, safe and high-quality management and control over a construction site are achieved.
Owner:天津电力工程监理有限公司 +2

Protecting method of optical-fiber grating sensor attached to surface of composite-material structure

The invention relates to a protecting method an optical-fiber grating sensor and belongs to the technical field of optical fiber sensing and structure health monitoring. The protecting method includes: fixing a composite-material laminated board (2) to a workbench; sleeving protective sleeves (4) at two ends of the optical-fiber grating sensor (5), placing the optical-fiber grating sensor (5) on the surface of the composite-material laminated board, allowing the sleeves to extend into the end face of the composite-material laminated board at a certain distance, using quick-drying glue to fix optical fibers and the sleeves, and evenly coating the surface of the composite-material laminated board with adhesive mu mm in thickness to fix the optical fibers (3) and the protective sleeves; neatly laying glass fiber cloth on the adhesive, mounting putty strips on the periphery of the fiber cloth, fixing a thin film special for vacuumizing with the putty strips, and vacuumizing the whole glass fiber cloth surface with a vacuumizing device under normal temperature until the relative vacuum degree reaches -0.1MPa; curing the whole structure for gamma hours under normal temperature. Compared with the prior art, the protecting method has the advantages that the method is simple in process flow and little in influence on the mechanical performance and assembling of composite-material structural components.
Owner:BEIJING CHANGCHENG INST OF METROLOGY & MEASUREMENT AVIATION IND CORP OF CHINA

RFID (radio frequency identification) physiological monitoring wristband

PendingCN110074766AReal-time display positioningLightweight and convenient for safety protectionEvaluation of blood vesselsSensorsData informationOxygen sensor
The invention discloses an RFID (radio frequency identification) physiological monitoring wristband, and in particular relates to the field of intelligent wristbands.The RFID physiological monitoringwristbandcomprises a wristband body, wherein the wristband body is internally provided with a microprocessor and an RFID tag; the connection end of the microprocessor is provided with a pedometer unit, a GPS positioning chip, a sensor module and a storage module; the sensor module comprises a heart rate sensor, a blood pressure sensor and a blood oxygen sensor; the microprocessor is specifically an ARM chip used for fetching instructions, executing the instructions, and exchanging information with the storage module and a logic component. According to the invention, data monitored in the wristband body is uploaded to a data processing center through an RFID reader, the all data information of a monitored object of the wristband body in an RFID reader network is processed, and the data information is timely fed back to friends of a user. At the same time, the location of the usercan be displayed in real time for security protection, the RFID physiological monitoring wristbandis lighterand more convenient than an usual portable wristwatch, and the data processing capability is greatly improved through the network.
Owner:THE FIRST PEOPLES HOSPITAL OF CHANGZHOU

Small-sized double-rotor fault simulation experiment table and fault diagnosis simulation method

The invention provides a small-sized double-rotor fault simulation experiment table and a fault diagnosis simulation method. The experiment table comprises two main components. The first part is an upper mechanical part, and the second part is a lower embedded control part. The mechanical part is mainly composed of double rotors rotating independently and a case simulating faults, and the embedded control part is composed of a vibration acceleration sensor, a rotating speed sensor and all modules. Wherein the lower embedded control part can realize communication with a matched upper computer, and data processing and analysis are realized by adopting a fault diagnosis method based on variational embedded multi-scale permutation entropy (veMPE).
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Motor train unit battery management method and device and storage medium

The invention provides a motor train unit battery management method, which comprises the following steps: when a battery monitoring device monitors that a storage battery reaches a data acquisition period, acquiring storage battery data, and whether the storage battery data is lower than a threshold value or not is determined; if yes, the storage battery data is sent to a server through a short message receiving and sending device, and the server analyzes the storage battery data and sends the analyzed data to a manager terminal; the server is also used for making a data curve of the storage battery of a motor train unit; if not, whether the storage battery reaches the information sending period or not is judged through a battery monitoring device; if not, standby processing is carried out, and if yes, the step of sending the storage battery data to the server through the short message receiving and sending device is executed. Through the scheme, the state of the storage battery is monitored in real time, the abnormal condition of the storage battery is processed in time, and the curve graph is drawn through the storage battery data, so that managers can analyze and judge the health state of the storage battery. The embodiment of the invention provides computer equipment and a storage medium.
Owner:LOTEEM BEIJING RAIL TRANSIT TECH CO LTD

Wind turbine generator set spindle temperature early-warning method and device

The invention provides a wind turbine generator set spindle temperature early-warning method and system. The method comprises the steps that temperature data of a wind turbine generator set is collected; the temperature data is segmented; the segmented temperature data is subjected to envelope analysis, so that a data envelope of the temperature data is extracted; and according to the extracted data envelope, the health state of the wind turbine generator set is predicted. Through the wind turbine generator set spindle temperature early-warning method and system, the health state of spindle running of the wind turbine generator set can be monitored in real time, and the running safety of the set can be guaranteed.
Owner:GUODIAN UNITED POWER TECH

Pemp smart sports wristband positioning system

The invention discloses a Pemp intelligent sports wristband positioning system, comprising a control main board, the control main board is electrically connected to a power supply module, the power supply module is electrically connected to a charging module, and a relay is arranged inside the control main board The module is connected to the CPU, and the CPU is electrically connected to the relay module. The signal input end of the relay module is electrically connected to a monitoring module, and the signal input end of the CPU is electrically connected to a positioning and navigation system, a wireless communication module, Storage module and display module, a kind of Pemp intelligent sports bracelet positioning system provided by the present invention can effectively monitor the wearer's health status in real time, and the smart bracelet has a real-time positioning function to prevent the wearer from getting lost, increasing the The safety of the wearer; the invention is reasonable in design and suitable for production and popularization.
Owner:宣城缅桃信息科技有限公司

Household monitoring communication alarm system

The present invention discloses a household monitoring communication alarm system. The system comprises a house. The house comprises the elderly people living alone, a hand ring health module, a video monitoring device, a processing center, a timing module, a GPS module and an alarm module. The elderly people living alone wear the hand ring health module. The hand ring health module is used for detecting the health information of the elderly people living alone in real time, and sending the detected information to the processing center. The video monitoring device comprises a plurality of cameras arranged in each room of the house and is used for sending the image information to the processing center. The processing center is connected with the timing module and is used for receiving the health information sent from the hand ring health module and the image information sent from the video monitoring device, extracting the health information and the time information for comparison, and sending the alarm information to the alarm module when a hazardous value is reached. When the processing center is unable to receive the information sent from the hand ring health module, the processing center sends a falling command to the alarm module. The alarm module receives the falling information and sends the information to a reserved telephone number of a family member.
Owner:成都希德电子信息技术有限公司

A method for monitoring pin wear condition based on piezoelectric ceramics

The invention provides a method for monitoring abrasion conditions of a pin based on piezoelectric ceramic, and belongs to the field of pin connection of civil engineering and mechanical engineering. The method comprises the following steps of fixing a sound transmission sensor of a sound transmission monitoring system at one end of the pin, and collecting sound transmission information of surrounding environment in actual engineering, wherein the sound transmission information contains energy, amplitude and ascending time; using the energy, amplitude and ascending time as the main parameters for judging the abrasion condition of the pin, and displaying on a display device; starting to detect, and observing the three parameters of energy, amplitude and ascending time; because the energy, amplitude and ascending time are continuously and greatly increased under the condition of serious abrasion of the pin, using the energy, amplitude and ascending time as the judging basis, and replacing the pin or adding a lubricant at proper time. The method has the advantages that the sound transmission equipment and the to-be-monitored pin are connected together; the abrasion condition of the pin is judged by the main parameters of energy, amplitude and ascending time, the pin is monitored in real time, and the alarming is timely performed when the pin has serious abrasion.
Owner:DALIAN UNIV OF TECH

Children smart bracelet and control system thereof

The invention discloses a children smart bracelet and a control system thereof. The control system comprises a control main board, wherein the control main board is electrically connected with a power supply module, and the power supply module is electrically connected with a charging module; the control main board is internally provided with a relay module and a CPU, and the CPU is electrically connected with the relay module; the signal input end of the relay module is electrically connected with a monitoring module, and the signal input end of the CPU is electrically connected with a GPS positioning module, a wireless communication module, a storage module and a display module. According to the children smart bracelet and the control system thereof, the health condition of a child who wears the children smart bracelet can be effectively monitored in real time, and when health abnormality emerges, a message can be sent for alarm in time; the children smart bracelet has a function of real-time positioning so as to prevent the child who wears the children smart bracelet from being lost and beyond reach, the safety of the child who wears the children smart bracelet is increased; besides, the children smart bracelet and the control system thereof are reasonable in design and suitable for production, popularization and application.
Owner:合肥红杉树智能科技有限公司

Bridge damage positioning method based on normalized vehicle axle load time history monitoring

The invention belongs to the field of structural safety detection, and discloses a bridge damage positioning method based on normalized vehicle axle load time history monitoring. The method comprises the steps: (1) acquiring corner response data at a bridge support and vehicle wheelbase and vehicle speed information when a plurality of double-axle vehicles with the same wheelbase independently run across a bridge in an operation state; (2) using a least square QR decomposition recursive algorithm to calculate an average normalized axle load time history according to the actually measured corner response and a calibration influence line; and (3) carrying out damage positioning according to the sudden change of the axle load time history caused when the front axle of the vehicle is damaged. According to the method, the average normalized axle load time history is calculated by using a plurality of random double-axle vehicles with the same axle distance in the operation state to carry out bridge damage positioning, and the robustness and the damage positioning precision of the method are relatively high. Meanwhile, traffic interruption is not needed, and the method can be used for long-term health monitoring of a bridge structure and has good engineering application prospects and great development potential.
Owner:DALIAN UNIV OF TECH

Detection system capable of detecting communication tower safety situation in real time

InactiveCN106404057AReal-time detection of security situationReal-time monitoring of security situationMeasurement devicesMicrocontrollerControl signal
The invention discloses a detection system capable of detecting the communication tower safety situation in real time. The detection system comprises a communication tower, an Atmega128 single-chip microcomputer and a solar cell panel. The communication tower is electrically connected with an intelligent data acquisition terminal which is connected with a GSM module in a signaling way. The Atmega128 single-chip microcomputer is electrically connected with the GSM module. The first control input port and the first control output port of the Atmega128 single-chip microcomputer are also electrically connected with an alarm component and a communication module respectively and control the control signals inputted to or outputted from the alarm component or the communication module. The solar cell is electrically connected with a power supply module. The power supply module is also is electrically connected with the second control input port of the Atmega128 single-chip microcomputer. The communication module is electrically connected with an intelligent mobile terminal through a communication protocol. The detection system is more convenient and rapid to use and more user-friendly and can further meet the people's life style and the society's development of the modern society and also reduce unnecessary loss and major casualties caused by unsafe hidden dangers.
Owner:李芹
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