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36results about How to "Judgment of health" patented technology
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Feces monitoring method and system for cage chicken
The invention discloses a feces monitoring method and system for cage chicken. A camera bracket is fixed above a conveyor belt, a CCD camera is installed on the camera bracket, a motor drives the conveyor belt to run, and the motor and the CCD camera are connected to a computer; coops are placed above the conveyor belt, feces in the coops drop onto the conveyor belt to be transmitted along the conveyor belt, images of chicken feces on the conveyor belt are connected by the CCD camera in sequence, the colors and density of the feces on the conveyor belt are obtained by image processing, in order to obtain monitoring data, the colors and density of the feces are compared with a known feces-disease relation to obtain the categories of the feces, and the health of chickens in the coops are monitored. The system disclosed by the invention can be obtained reforming on the basis of the existing feces clearing belt of coops; the system is opened at a fixed time to accurately obtain the defecation conditions of the chickens in the coops; and the colors and density of the feces are compared with the color and the density of normal feces to accurately judge the health conditions of the fowl.
Owner:合肥神牧信息科技有限公司
Hard disk state monitoring system
The invention discloses a hard disk state indicator lamp control system. The system comprises a hard disk, a programmable logic controller and an indicator lamp; the hard disk is provided with an output interface and a hard disk controller; the output interface is connected with the programmable logic controller, and the programmable logic controller is connected with the indicator lamp; the programmable logic controller samples output signals of the hard disk controller and controls the indicator lamp to act according to the level fluctuation frequency of the signals to indicate the states of the hard disk. The programmable logic controller is connected with a host CPU, and the CPU can control the indication state of a hard disk failure indicator lamp through the programmable logic controller according to the actual hard disk detection conditions. According to the hard disk state indicator lamp control system, the running states of the hard disk are collected through the hard disk controller, Active signals with different levels are output to the programmable logic controller for the different states, and the programmable logic controller analyzes the Active signals to control the indication states of the hard disk indicator lamp and the states of the hard disk failure indicator lamp. By observing the indicator lamps of the hard disk, the health state of the hard disk can be judged.
Owner:SHANGHAI EMBEDWAY INFORMATION TECH
Instrument for human body acupoint searching, diagnosis and treatment
InactiveCN1788677AExact searchJudgment of healthElectrotherapyDiagnostic recording/measuringMicrocontrollerElectrical resistance and conductance
The body acupoint searching diagnosis and treatment apparatus features that it consists of a monolithic computer, a discharge end contacting measured body directly or indirectly, a detecting end contacting measured body acupoint, a capacitor charging circuit, and a liquid crystal display and / or phonetic promoting circuit. The capacitor charging circuit consists of mainly a capacitor and a resistor, which are connected in parallel and have one parallel connected end connected to ground and the other end connected to the detecting end and the monolithic computer. The liquid crystal display and / or phonetic promoting circuit is connected to the monolithic computer. The present invention applies one voltage without electric shock feeling and can find out acupoint accurately, judge the health state of the organ corresponding to the acupoint and perform electrotherapy.
Owner:梁文锋
Fault diagnosis method of convertor based on time convolution network
InactiveCN110596506AReliable judgment of health statusJudgment of healthElectrical testingCharacter and pattern recognitionDimensionality reductionMeasurement point
The invention relates to a fault diagnosis method of a power electronic convertor based on a time convolution network technology. The fault diagnosis method comprises the following steps that S1, an electrical signal of a measurement point is collected and treated by noise reduction, and sample data with fault information are obtained; S2, the dimension of the sample data is reduced by adopting normalization, and obtained fault characteristics and fault types are corresponded one by one to establish a data sample base; S3, a fault classifier based on the time convolution network is constructed, and training and testing are conducted according to the data sample base to obtain optimal network structure parameters; S4, a fault classifier based on the time convolution network is reconstructedaccording to the optimal network structure parameters, and the fault classifier with optimal parameters is obtained; and S5, the fault classifier with the optimal parameters is written into simulink,and real-time fault diagnosis and location are conducted on the power electronic convertor in actual operation. According to the fault diagnosis method, the health condition of the convertor can be judged more accurately and reliably.
Owner:FUZHOU UNIV
Friction pendulum vibration isolation device and pressure monitoring structure thereof
ActiveCN104343186AReal-time monitoring of stressJudgment of healthForce measurement using piezo-electric devicesShock proofingElectrical resistance and conductanceStress conditions
The invention discloses a friction pendulum vibration isolation device. A stainless steel diaphragm is inlaid in one side, which faces a sliding surface of a bottom support, of a bottom hinging slider; an alloy resistor is arranged on the stainless steel diaphragm and is integrally connected with the stainless steel diaphragm through molecular bonds, so that an alloy film strain unit, which is used for inducing vertical pressure of the support, of a Wheatstone bridge is formed; an external load acts on a top supporting slide seat or a bottom supporting slide seat to cause deformation of the alloy film strain unit; the alloy film strain unit generates a voltage signal for monitoring the vertical pressure of the friction pendulum vibration isolation device; and the sliding surface of a bottom support plate is a curved surface. The invention also discloses a pressure monitoring structure for the friction pendulum vibration isolation device. By the friction pendulum vibration isolation device and the pressure monitoring structure thereof, the stress condition of the friction pendulum vibration isolation device can be monitored in real time, so that the health condition of the friction pendulum vibration isolation device can be judged; the friction pendulum vibration isolation device is high in fatigue resistance, high in stability and small in size; and influence on the mechanical property of the vibration isolation device is low.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST
Method and system for monitoring egg laying performance of laying hen zone of cage-rearing laying hens
PendingCN111134047ALow costTimely and accurate access to egg productionCounting objects on conveyorsUsing optical meansAnimal scienceImaging processing
The invention discloses a method and a system for monitoring egg laying performance of a laying hen zone of cage-rearing laying hens. Wherein coops are arranged side by side, a conveying belt is arranged below the coops, and a machine vision detection device with a CCD camera and a lighting device is arranged at the conveying outlet end of the conveyor belt; chicken lay eggs and the eggs leak fromthe bottom of the hencoop and fall onto the conveying belt, after all eggs are laid, the conveying belt is started, the eggs pass through the machine vision detection device in the conveying processalong with the conveying belt, the CCD camera is triggered to shoot and obtain conveying belt surface images with the eggs, and egg contours in the images are obtained through image processing. And counting is performed to obtain the number of eggs, and processing is performed to obtain the coop area position, the egg color, the egg size and the egg weight of each egg, thereby realizing real-timemonitoring. According to the system, the change conditions of the egg laying number, the egg weight and the egg color of each egg laying area every day can be monitored, the egg laying performance andthe health condition of the laying hen area are monitored, the system is simple, and the cost of breeding equipment is saved.
Owner:ZHEJIANG UNIV
Support and pressure monitoring structure thereof
ActiveCN104343083AReal-time monitoring of stressJudgment of healthForce measurementBridge structural detailsElectrical resistance and conductanceAlloy
The invention discloses a pressure monitoring structure for a support. The pressure monitoring structure comprises a stainless steel membrane and an alloy resistor. The stainless steel membrane is embedded in a mount of the support to sense the external load. The alloy resistor is mounted on the stainless steel membrane and integrated with the same through molecular links, and an alloy film strain unit is formed to sense a Wheatstone bridge. To be specific, the external load acts on the support to cause deformation of the alloy film strain unit, and the alloy film strain unit generates a voltage signal monitoring vertical pressure of the support. The invention further discloses the support. The support and the pressure monitoring structure thereof have the advantages that stress on the support is monitored in the real-time manner, and health condition of the support is judged; fatigue-resistant performance is excellent, and stability is high; size is small, and influence to the mechanical property of the support is small.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST
Multispectral image acquiring device, plant monitoring method and planting monitoring device
InactiveCN106295543AJudgment of healthJudging the growthCharacter and pattern recognitionLight spectrumGrowth plant
The invention provides a multispectral image acquiring device, a plant monitoring method and a plant monitoring device. The plant monitoring method comprises the following steps: receiving a first image and a second image of a to-be-monitored area collected by the multispectral image acquiring device, wherein the first image is the image collected from a first wavelength section and the second image is the image collected from a second wavelength section; confirming a plant growth index corresponding to a pixel point according to the gray values of the pixel points in the first image and the second image; confirming a plant health condition of the to-be-monitored area according to the plant growth index of the pixel point and the preset threshold value. According to the plant monitoring method provided by the embodiment of the invention, the health and growth conditions of the plants in the to-be-monitored area can be accurately judged and the monitoring cost can be lowered.
Owner:GUANGZHOU XAIRCRAFT TECH CO LTD
Intelligent park maintenance system based in image and root detection
InactiveCN107682456AJudgment of healthDetermine the type of diseaseImage analysisTransmissionComputer moduleGround-penetrating radar
The invention relates to an intelligent park maintenance system based in image and root detection. The system herein includes a control processor, a detection module, an identifying module, a positioning module and a walking module. The walking module and the control processor are connected. The detection module includes a ground penetrating radar unit. The round penetrating radar unit is connected to the control processor. The control processor, based on an electronic signal, draws an underground distribution map. The positioning module is intended for position the current position, and outputs the positioning information to the control processor. The control processor also includes a storage module. The storage module storages a pre-storage map in advance. The control processor confirmsthe current position based on the positioning information. The identifying module includes an image shooting unit which is connected to the control processor. The image shooting unit is intended for shooting environment images and outputting the images to the control processor. The storage module also stores an appearance and root comparing relationship table of normal plants.
Owner:蔡璟
Intelligent patrol system based on NFC handheld data acquisition unit
InactiveCN107818607AJudgment of healthReduce the burden onChecking time patrolsRegistering/indicating working of machinesData acquisitionComputer module
The invention discloses an intelligent patrol system based on an NFC handheld data acquisition unit. The intelligent patrol system comprises a handheld data acquisition unit, an NFC electronic tag anda data processing server, wherein the handheld data acquisition unit is connected with the data processing server by virtue of a wireless network, the NFC electronic tag is arranged on the surface ofan electrical device, and is in wireless communication connection with the handheld data acquisition unit, and a Bluetooth hygrothermograph is arranged in a switch chamber, and is connected with thehandheld data acquisition unit by virtue of Bluetooth. The handheld data acquisition unit is used for recording on-site data in real time, so that parameters of the electrical device can be recorded,transmitted and stored in real time, and the problem of manual paper recording can be solved; a GPS positioning module is used for positioning the position of operation and maintenance personnel in real time, so that whether the operation and maintenance personnel is arrived in place can be effectively controlled; and the data processing server analyzes acquired device information, thereby effectively and accurately positioning a defect part of the electrical device and analyzing a defect type.
Owner:GUIZHOU POWER GRID CO LTD
Cell detection method, electronic equipment and computer readable storage medium
The invention discloses a cell detection method, electronic equipment and a computer readable storage medium. A cell comprises N cell electrical cores, and the N is an integer not smaller than 1. The method comprises steps that for each electrical core, in M charging / discharging cycle periods, a first parameter of each charging / discharging cycle period is determined; the first parameter represents a discharging window; the M is an integer not smaller than 2; the M first parameters are utilized to adjust a first coefficient of a first linear function to make a curve corresponding to the first linear function satisfy point distribution of a first point set, and a second parameter is determined; the first point set comprises M points formed by the first parameters and the corresponding cycle periods; the second parameter represents a fitting degree; the first coefficient and the second parameter are utilized, in combination with detection strategies, whether the electrical cores are in cycle risks is determined.
Owner:LENOVO (BEIJING) LTD
Intelligent glasses for physiological information monitoring
PendingCN107049281ARealize supervision and controlJudgment of healthEvaluation of blood vesselsDigital data authenticationComputer visionInformation monitoring
The invention provides intelligent glasses for physiological information monitoring. The intelligent glasses comprise an information collection module, an information processing module and an imaging module; the information collection module is used for generating actual sign information which reflects the actual sign condition, the information collection module comprises an image collection unit which is used for collecting image information of a user, and the actual sign information comprises the image information; the information processing module is connected with the information collection module and used for generating diagnostic sign information according to the actual sign information, and the diagnostic sign information reflects the health condition of the human body; the imaging module is connected with the information processing module and used for projecting the diagnostic sign information onto retinas of a user. Supervision control over the human signs is achieved, and then the health condition of the human body is judged, and medical information collection is achieved.
Owner:姚丽鹏
A bridge pile health state evaluation method based on real-time monitoring data processing
ActiveCN109271662AQuick and Effective Health ConditionsJudgment of healthDesign optimisation/simulationSpecial data processing applicationsMonitoring dataData processing
The invention relates to a bridge pile health state evaluation method based on real-time monitoring data processing, which solves the problem that the bridge pile health state cannot be effectively evaluated compared with the prior art. The method comprises the following steps: acquiring the original scouring real-time monitoring data; performing simplified processing of real-time monitoring dataof erosion; establishing the dynamic and real-time finite element evaluation model of pile erosion, evaluating the health status of bridge pile foundation. The invention can quickly and effectively utilize the real-time monitoring data to evaluate the health state of the bridge pile foundation.
Owner:ZHEJIANG UNIV OF TECH
Method and system for monitoring feces of caged chickens
ActiveCN105574899BLow costTimely and accurate access to defecation statusImage enhancementImage analysisMotor driveAnimal feces
The invention discloses a method and system for monitoring the feces of caged chickens. The camera bracket is fixed above the conveyor belt, the CCD camera is installed on the camera bracket, the motor drives the conveyor belt to run, the motor and the CCD camera are connected to the computer; the chicken cage is placed above the conveyor belt, and the chicken manure in the chicken cage falls on the conveyor belt and is transported along the conveyor belt , the images of chicken manure on the conveyor belt are sequentially collected by the CCD camera, the color and thickness of the feces on the conveyor belt are obtained through image processing, and the monitoring data are obtained. The type of feces and the health of the chickens in each cage are monitored. The present invention can be refitted on the basis of the existing feces cleaning belt in chicken cages; it can be opened at a fixed time to accurately obtain the defecation situation of chickens in each chicken cage; by comparing with the color and thickness of normal feces, it can accurately judge the health of poultry situation.
Owner:合肥神牧信息科技有限公司
Clinical urine sugar detection device for endocrinology department
InactiveCN113092460AAccurate storageJudgment of healthMaterial analysis by observing effect on chemical indicatorWithdrawing sample devicesEndocrinology departmentUrine glucose
The invention discloses a clinical urine sugar detection device for the endocrinology department, and relates to the field of urine sugar detection. The clinical urine sugar detection device for the endocrinology department comprises a detection box body, a urine storage cylinder, a urine receiving funnel and a branching container, the front face of the detection box body is rotationally connected with a rotating baffle, the branching container is fixedly installed in the detection box body, one side of the detection box body is provided with a pressing assembly, and the other side of the detection box body is rotationally connected with a side plate; the urine receiving funnel is slidably clamped to the upper surface of the detection box body, the urine storage cylinder is arranged at the inner bottom of the detection box body, a discharging pipe is arranged at the bottom end of the branching container, the outer surface of the discharging pipe is fixedly connected with a control valve, and an adjusting assembly is arranged on the front face of the detection box body and is in transmission connection with the control valve. The clinical urine sugar detection device for the endocrinology department can detect urine sugar for four times, urine sugar for four sections and urine sugar for 24 hours of a patient, meanwhile, urine can be effectively stored, pollution to the urine is reduced, and meanwhile, urine deterioration is avoided.
Owner:梅红光
Special sputum suction device for pediatric clinic
InactiveCN111921021AShorten the timeImprove efficiencyIntravenous devicesSuction drainage systemsGear wheelCrank
The invention discloses a special sputum suction device for pediatric clinic. The device includes a base; a reciprocating device is arranged on one side of the base; a separation device is arranged onthe other side of the base; a telescopic device is arranged on the separation device; the reciprocating device comprises a motor; the motor is mounted on one side of the base; a first rack is slidably connected to the front end of the side, close to the base, of the base; a guide frame is fixed to one end of the first rack; a crank is installed at the shaft end of the motor; the end, away from the motor, of the crank abuts against the inner side of the guide frame; the rear side of the first rack is meshed with a first gear; a rotating shaft is installed at the axis of the first gear; and thelower end of the rotating shaft is connected with the upper face of the base in a rotating mode. According to the sputum suction device, sputum can be continuously aspirated, the aspirated sputum canbe filtered, and medical staff can further judge the health condition of a patient according to the sputum.
Owner:王艳萍
Multi-channel ECG acquisition circuit and multi-channel ECG acquisition system
PendingCN110403597AImprove practicalityAvoid errorsDiagnostic signal processingSensorsHuman skinEngineering
Provided are a multi-channel ECG acquisition circuit and a multi-channel ECG acquisition system; the ECG acquisition circuit includes an ECG detection module, M ECG acquisition modules and a communication control module; the ECG detection module is arranged in a preset acquisition area close to human skin and is used for detecting ECG information of a human body and converting the ECG informationinto N-channel differential detection signals; the ECG acquisition module is used for receiving at least one corresponding differential detection signal and converting the differential detection signal into one-channel ECG acquisition signal; the communication control module is used for receiving M-channel ECG acquisition signals, integrating the M-channel ECG acquisition signals to obtain ECG detection parameters, and uploading the ECG detection parameters to a mobile terminal; N is a positive integer greater than or equal to 2, M is a positive integer greater than or equal to 2, and M is less than or equal to N. The multi-channel ECG acquisition circuit and a multi-channel ECG acquisition system can convert the ECG information of the human body into the multi-channel ECG acquisition signals after the ECG information of the human body is detected, so as to realize the accurate detection and analysis of the ECG information and reduce the ECG sampling error.
Owner:深圳市绿航星际太空科技研究院 +1
Early warning method and system for battery of energy storage power station
PendingCN114400738AJudgment of healthRelieve stressCircuit monitoring/indicationDifferent batteries chargingPower stationStandard Charge
The invention discloses an energy storage power station battery early warning method and system, and the method comprises the steps: obtaining the voltage and current data of a battery stack, the current data of a battery pack, and the voltage, current and SOC data of a single battery, and building a power station battery early warning model; generating a standard charge-discharge curve of the power station battery stack, the battery pack and the single battery; according to the obtained voltage and current data of the battery stack, the current data of the battery pack, and the voltage, current and SOC data of the single battery, generating an actual charging and discharging curve of the battery stack, the battery pack and the single battery of the power station; and judging whether a non-battery factor fault exists or not according to an actual charging and discharging curve, and if the non-battery factor fault does not exist, judging a fault reason through the power station battery early warning model. According to the method and the system, key data of a battery stack, a battery pack and a single battery in an energy storage battery are used for generating a standard charging and discharging curve, battery early warning models of different levels are established through the charging and discharging curve, and the health degrees of the batteries of different levels in an energy storage power station can be judged.
Owner:浙江南都能源互联网有限公司 +1
Personal health detection system and method
InactiveCN109192313AEasy to viewTo achieve the purpose of online detection of personal healthMedical communicationHealth-index calculationMental stateMental health
The invention relates to a personal health detection system and belongs to the field of information technology. The method includes an input module, a control module, and a display module; the input module is used for receiving operation information and sending the operation information to the control module; the control module is used for dividing the operation information into score addition operation or score subtraction operation, and calculating display content according to the score addition operation or score subtraction operation, wherein the display content includes a positive contentand a negative content, the score addition operation corresponds to the positive content, and the score subtraction operation corresponds to the negative content; and the control module is further used for sending the display content to the display module, wherein the display module is used for displaying the display content. With the personal health detection system provided by the technical schemes of the invention adopted, the online detection of the physical and mental state of a user can be detected online. The personal health detection system is suitable for online mental health testing.
Owner:郭胜利
Oral cavity sensor
InactiveCN105520718AEasy to useJudgment of healthDiagnostic recording/measuringSensorsData connectionComputer module
The invention discloses an oral cavity sensor. The oral cavity sensor comprises a control module, a signal analysis module and a display module, wherein the control module is connected with the signal analysis module and the display module; the control module and a storage module are in bidirectional data connection; the signal analysis module is connected with an information collection module; the information collection module is used for collecting oral cavity information of a patient; the signal analysis module is used for receiving and analyzing the oral cavity information transmitted from the information collection module, and converting the information into a digital signal, and transmitting the digital signal to the control module; the control module stores the collected oral cavity information in the storage module; the control module is connected with an input module; an oral cavity information reference value can be input in the control module through the input module and can be stored in the storage module; the control module automatically extracts the oral cavity information data stored in the storage module and compares with the reference value, and displays the oral cavity information through the display module. The oral cavity sensor is convenient to use, and capable of collecting oral cavity information as well as capable of determining health conditions of the patient according to comparison numerical values.
Owner:李向东
Nonlinear fetal heart rate surveillance instrument
InactiveCN1792322AJudgment of healthImprove population healthSensorsMeasuring/recording heart/pulse rateHeart soundsComputer-aided
A non-linear fetal heart rhythm monitor is disclosed. Its monitoring method includes such steps as taking the cardiac sound signals of fetus by ultrasonic Doppler sensor, extracting the envelope of audio signals, transmitting it to A / D interface card PC6360, A / D conversion, and transmitting the converted result to computer aided non-linear analyzing processor which has man-machine interaction interface and the working interface and analyzing software of non-linear kinetic analysis software package.
Owner:NORTHEAST NORMAL UNIVERSITY
A basin rubber bearing
ActiveCN104343081BReal-time monitoring of stressJudgment of healthBridge structural detailsBridge materialsStress conditionsEngineering
The invention discloses a pot type rubber support. The pot type rubber support comprises a top support plate, a steel pot and a rubber plate, wherein the rubber plate can be fastened between the top support plate and the steel pot; a side edge of the steel pot is higher than the top surface of the rubber plate; a sealing piece is arranged on a portion, which is in contact with the steel pot, of the rubber plate; a stainless steel diaphragm is inserted in one side, which faces the rubber plate, of the steel pot; an alloy resistor is assembled on the stainless steel diaphragm and is integrally connected with the stainless steel diaphragm through molecular bonds, so that an alloy film strain unit, which is used for inducing the vertical pressure of a support, of a Wheatstone bridge is formed; and an external load acts on the pot type rubber support, and the alloy film strain unit deforms and generates a voltage signal for monitoring the vertical pressure of the pot type rubber support. The stress condition of the pot type rubber support can be monitored in real time, so that the health condition of the pot type rubber support can be judged; the pot type rubber support is high in fatigue resistance, high in stability and small in size; and influence on the mechanical property of the pot type rubber support is low.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST
Instrument for human body acupoint searching, diagnosis and treatment
InactiveCN100475138CExact searchJudgment of healthElectrotherapyDiagnostic recording/measuringMicrocontrollerElectrical resistance and conductance
The body acupoint searching diagnosis and treatment apparatus features that it consists of a monolithic computer, a discharge end contacting measured body directly or indirectly, a detecting end contacting measured body acupoint, a capacitor charging circuit, and a liquid crystal display and / or phonetic promoting circuit. The capacitor charging circuit consists of mainly a capacitor and a resistor, which are connected in parallel and have one parallel connected end connected to ground and the other end connected to the detecting end and the monolithic computer. The liquid crystal display and / or phonetic promoting circuit is connected to the monolithic computer. The present invention applies one voltage without electric shock feeling and can find out acupoint accurately, judge the health state of the organ corresponding to the acupoint and perform electrotherapy.
Owner:梁文锋
Method for measuring spatial displacement of building based on spatial position relation of coordinate points
InactiveCN112857171AMonitoring three-dimensional spatial displacementJudgment of healthMechanical measuring arrangementsThree-dimensional spaceEngineering
The invention provides a method for measuring the spatial displacement of a building based on the spatial position relationship of coordinate points. The method carries out the real-time three-dimensional space measurement of a designated point of the building by using the three-dimensional coordinate spatial relationship of three reference points and combining with a measurement tool. By adopting the measuring method disclosed by the invention, the spatial displacement change of the specified point on the building can be more effectively and intuitively monitored, so that the three-dimensional spatial displacement of the building is monitored, more powerful data support is provided for construction and maintenance, an engineering constructor and an operation maintenance party are helped to make more favorable judgment on the health condition of the building, and the engineering risk can be effectively reduced and is prevented.
Owner:CENT & SOUTHERN CHINA MUNICIPAL ENG DESIGN & RES INST CO LTD
A friction pendulum vibration isolation device and its pressure monitoring structure
ActiveCN104343186BReal-time monitoring of stressJudgment of healthForce measurement using piezo-electric devicesShock proofingElectrical resistance and conductanceStress conditions
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST
Intelligent detection device and test method for temperature signal of subway bolts
ActiveCN112763091BIdentify and judge health statusJudgment of healthThermometer detailsThermometers using electric/magnetic elementsSingle chipReliability engineering
Owner:SOUTHWEST JIAOTONG UNIV
A spherical steel bearing
ActiveCN104343082BReal-time monitoring of stressJudgment of healthForce measurementBridge structural detailsBall bearingSheet steel
The invention discloses a spherical steel support. The spherical steel support comprises a top support plate, a bottom support plate and a spherical steel plate, and the spherical steel plate is slidably fastened between the top support plate and the bottom support plate. A stainless steel diaphragm is embedded into one side, facing the spherical steel plate, of the bottom support plate. An alloy resistor is mounted on the stainless steel diaphragm and connected with the same into a whole through molecule bonds so as to form a Wheatstone bridge alloy film strain unit used for sensing vertical pressure of the support. An external load acts on the spherical steel support to cause deformation of the alloy film strain unit, and the alloy film strain unit generates voltage signals used for monitoring the vertical pressure of the spherical steel support. The spherical steel support has the advantages that stress conditions of the spherical steel support can be monitored in real time, so that health conditions of the spherical steel support can be judged; the spherical steel support is good in fatigue resistance and high in stability; in addition, small size and less influences on mechanical properties of the support are achieved.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST
A method for estimating soh of a battery management system
ActiveCN110398698BReduce the number of assay stepsEasy accessElectrical testingOvervoltageState of health
Owner:HUIZHOU SUNWAY ELECTRONICS CO LTD
A battery detection method, electronic equipment, and computer-readable storage medium
The invention discloses a cell detection method, electronic equipment and a computer readable storage medium. A cell comprises N cell electrical cores, and the N is an integer not smaller than 1. The method comprises steps that for each electrical core, in M charging / discharging cycle periods, a first parameter of each charging / discharging cycle period is determined; the first parameter represents a discharging window; the M is an integer not smaller than 2; the M first parameters are utilized to adjust a first coefficient of a first linear function to make a curve corresponding to the first linear function satisfy point distribution of a first point set, and a second parameter is determined; the first point set comprises M points formed by the first parameters and the corresponding cycle periods; the second parameter represents a fitting degree; the first coefficient and the second parameter are utilized, in combination with detection strategies, whether the electrical cores are in cycle risks is determined.
Owner:LENOVO (BEIJING) LTD
A support and its pressure monitoring structure
ActiveCN104343083BReal-time monitoring of stressJudgment of healthForce measurementBridge structural detailsElectrical resistance and conductanceAlloy
The invention discloses a pressure monitoring structure for a support. The pressure monitoring structure comprises a stainless steel membrane and an alloy resistor. The stainless steel membrane is embedded in a mount of the support to sense the external load. The alloy resistor is mounted on the stainless steel membrane and integrated with the same through molecular links, and an alloy film strain unit is formed to sense a Wheatstone bridge. To be specific, the external load acts on the support to cause deformation of the alloy film strain unit, and the alloy film strain unit generates a voltage signal monitoring vertical pressure of the support. The invention further discloses the support. The support and the pressure monitoring structure thereof have the advantages that stress on the support is monitored in the real-time manner, and health condition of the support is judged; fatigue-resistant performance is excellent, and stability is high; size is small, and influence to the mechanical property of the support is small.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST
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