190results about How to "Reliable detection" patented technology

The invention provides an elevator personnel existence detection method and system based on a millimeter wave radar, and relates to the technical field of detection, and the method comprises the steps: orthogonally arranging a positioning radar and a motion detection radar at the top of an elevator car, collecting radar echo signals, and carrying out baseband demodulation; a positioning baseband signal and a motion detection baseband signal are processed through a dynamic threshold elimination method and a self-adaptive harmonic suppression algorithm respectively, and compensation enhancement is carried out in combination with a geometric structure of the lift car; performing fast Fourier transform on the enhanced signal in the dimensions of distance, speed and height, acquiring three-dimensional coordinate data of a target by adopting an adaptive spatial spectrum decomposition positioning algorithm, and performing non-uniform sampling Doppler processing to obtain target motion track data; a recursive state estimation model is adopted for time sequence tracking, human body height judgment is achieved, and the method is used for safety monitoring in the lift car, and early warning for children and pets entering the lift car independently and early warning for long-time staying in the lift car.

The invention relates to a primer and probe combination for nested PCR detection of urinary tract klebsiella pneumoniae and drug-resistant genes and a kit thereof, and primer and probe sequences designed in the invention do not cause cross amplification of other urinary tract pathogenic bacteria, and can meet specific requirements. In addition, exogenous antibiotic interferents such as gentamicin, tobramycin, ceftazidime, levofloxacin, piperacillin and nitrofurantoin have no influence on experimental results, and the anti-interference requirement is met. The prepared kit can be used for simultaneously detecting the urinary tract klebsiella pneumoniae and the drug-resistant gene, and the detection is convenient, simple and reliable. Compared with common strain identification, drug resistance gene detection can guide clinical medication more accurately, and invalid treatment is avoided.

The invention provides a modeling method for hyperspectral medical component analysis based on a graph convolutional neural network, relates to the technical field of medical component analysis, and realizes effective correction of nonlinear light intensity and temperature and humidity change influence in spectral data through integrated application of illumination and environment correction technologies. By adopting the organic combination of the multiple regression model and the graph convolutional neural network, the robustness and stability of spectral data are ensured, and the accuracy and efficiency of analysis are greatly improved. Therefore, not only is the dependence of experimental conditions on results reduced, but also the application range of the technology is expanded, so that the detection of medicine components is also reliable under variable environmental conditions, and a solid foundation is provided for subsequent component prediction. Through the scheme, a user can obtain a high-consistency detection result in an unfixed external environment, the detection process is simplified, and the overall detection capability is improved.

The invention discloses a terpilenol production reaction kettle with an alarm function, and relates to the technical field of alarm devices. The terpilenol production reaction kettle with the alarm function comprises a reaction kettle body and a temperature control alarm device. According to the terpilenol production reaction kettle with the alarm function, stirring blades can rotate along a rotating pipe in a reciprocating mode while rotating along with a rotating shaft, the stirring efficiency can be higher, the stirring effect can be better, a temperature sensor can rotate along with the stirring blades and move up and down, and the temperature sensor is more stable. The detection of the raw material temperature is more accurate and reliable; when the temperature of the materials is detected to be too high, an alarm can be given in time through the alarm, cooling liquid can enter the stirring blades to be rapidly cooled, and when subsequent materials are produced, the cooling liquid absorbing heat can be used for preheating the materials, so that waste heat can be recycled, and more energy conservation and environmental protection are achieved.

The invention belongs to the field of computer vision game anti-cheating, and discloses an FPS anti-cheating method based on deep learning and vision, and the method comprises the following steps: 1, game data preprocessing: zooming an input image to the input size of a network, and carrying out the normalization operation; 2, performing feature extraction on the input image: introducing a focus module into a backbone network part to cut the image, and splitting the high-resolution image into a plurality of low-resolution images or feature maps; 3, constructing a Neck module, wherein the Neck module is responsible for further optimizing and fusing the features on the basis of the features extracted by the backbone network; step 4, constructing a Head module; and 5, constructing a classifier module: analyzing the difference of the duration ratio, the frequency ratio and the open mirror killing ratio of effective aiming of the normal player and the plug-in player, and quantifying a data standard to judge whether the player is the plug-in player or not. According to the method, the plug-in players can be effectively detected.

The invention relates to a TN-C-S system electric leakage fault secondary discrimination method based on a sudden change ratio and a random forest algorithm, and belongs to the technical field of electric leakage fault discrimination. According to the method, a TN-C-S system loop is analyzed, and by analyzing the quantitative relation between residual current abrupt change and unbalanced current abrupt change and zero line impedance and grounding impedance before and after a grounding fault occurs and based on the principle that the current abrupt change vector ratio is not changed during load switching, fault first-level judgment based on the current abrupt change vector ratio is carried out; obtaining a first-level discrimination result; and if the primary judgment result is a fault, carrying out secondary judgment by using a random forest algorithm by taking fundamental waves and third harmonic waves of residual current and unbalanced current abrupt change quantities as fault identification characteristic quantities so as to judge whether the fault is a leakage current fault or not. According to the method, reliable fault judgment under the condition of relatively low calculation capability can be realized; moreover, the method can greatly improve the reliability and sensitivity of the TN-C-S system middle protection and total protection, and provides a new thought and direction for the future related research.

The embodiment of the invention relates to the field of computer vision target detection, in particular to a domain self-adaptive multi-class defect intelligent detection method based on class alignment, and the method comprises the steps: obtaining an industrial defect image; processing the industrial defect image based on a domain shared feature extractor to obtain domain shared feature data, and processing the industrial defect image based on a domain private feature extractor to obtain domain private feature data; processing the source domain private feature data and the target domain shared feature data based on a classification neural network to obtain a first label type and a second label type; processing the domain shared feature data by a domain discriminator determined according to the first label type and the second label type to obtain a first probability value and a second probability value, and determining a defect classification detection result of the industrial defect image based on the first probability value and the second probability value. Model learning is guided, the accuracy and robustness of defect detection are improved, and defect detection in a complex industrial environment is more reliable.

The invention discloses an indoor evaluation method and evaluation device for amine-method carbon capture, and the method comprises the following steps: measuring the content data of mixed gas of a to-be-measured mixed gas source before absorption treatment, and the content data contains carbon dioxide gas; absorbing the carbon dioxide gas by the barren solution to obtain a rich solution; a part of the rich solution is conveyed to a regeneration tower for desorption, a part of the rich solution is subjected to vacuum flash evaporation and phase separation, a phase-separated rich solution is conveyed to the regeneration tower, and a phase-separated barren solution and a desorbed barren solution are conveyed to a barren solution storage tank; the barren liquor in the barren liquor storage tank is conveyed to an absorber to absorb carbon dioxide in the mixed gas, and content data of the mixed gas after absorption treatment is measured to obtain the absorption rate; the average solubility of the loaded barren liquor is measured in a gas phase circulation mode after measurement, the barren liquor obtained after measurement is refluxed and reused, and mixed gas is purified and separated after measurement. The method can be used for research, development and evaluation of the chemical absorption solvent with low energy consumption and low trapping cost. Evaluation is comprehensive, structure is simple, and detection is accurate and reliable.

The invention relates to a flexible deployment type global full-duration partial discharge detection system and method, the system comprises a signal acquisition module, a power frequency synchronization module, a power supply communication module and an analysis and diagnosis module, the power frequency synchronization module obtains the real-time power frequency of a power grid by using a UDP power frequency synchronization device, and sends the real-time power frequency to a digital sensor; the signal processing module digitizes the ultrahigh frequency signal on site, converts the ultrahigh frequency signal into continuous real-time monitoring data and transmits the continuous real-time monitoring data to the power supply communication module; the power supply communication module is used for providing a stable power supply capable of continuously working for a long time for the digital sensor and transmitting continuous real-time monitoring data to the analysis and diagnosis module; and the analysis and diagnosis module is used for receiving the continuous real-time monitoring data and carrying out partial discharge detection. Compared with the prior art, the method has the advantages that a large amount of on-site deployment working hours are saved, the requirements of rapid deployment, full-station coverage and reliable discovery of accidental intermittent signals can be met, and synchronous long-time continuous monitoring of partial discharge of the GIS equipment in the full station is realized.

The cleaning robot comprises a robot body and cliff sensors, the cliff sensors are arranged on the side wall of the robot body along the front end, the left side and the right side of a walking path, and the cliff sensors are arranged downwards and outwards in an inclined mode and can send detection signals outwards in an inclined mode. The cliff sensor is arranged on the side wall of the machine body, and the detection range is widened; the cliff sensor adopts the laser TOF principle for detection, is more accurate and reliable, can detect clifts, steps, obstacles and the like, realizes multiple detection functions, saves the types and the number of sensors, and is beneficial to reducing the cost.

The invention relates to the technical field of chemical analysis and detection, in particular to a fluorescence determination method for free amino acid in tobacco leaves, based on the fluorescence characteristic of epinephrine-based zinc-doped carbon dots Zn / NA-CDs, free amino acid reacts with phthalic dicarboxaldehyde to generate a Schiff base product, and Zn / NA-CDs and Schiff base have hydrogen bond interaction and charge transfer effect, so that the content of free amino acid in tobacco leaves is determined. Therefore, the Schiff base has a fluorescence sensitization effect on the Zn / NA-CDs, and a free amino acid fluorescence detection method is established. According to the method, the detection limit can reach 0.01 mg / L, and the recovery rate is between 90.52% and 105.33%, so that the method also has high sensitivity to low-concentration free amino acid, can meet the requirement for accurately measuring trace amino acid in tobacco leaves, and has excellent accuracy and reliability. Meanwhile, the method further has the advantages of being easy and convenient to operate, low in cost, environmentally friendly, wide in applicability and the like, a new technical means is provided for tobacco leaf quality detection, and beneficial reference is provided for amino acid determination in other fields.

The utility model provides a gas burning torch which comprises a torch base unit, an outer pipe, an air delivery pipe, a spark plug, a flame monitoring device and a fire observation mirror, the air delivery pipe is located on the inner side of the outer pipe, a gas channel is arranged between the outer pipe and the air delivery pipe, and on the cross section, the air delivery pipe and the outer pipe are eccentrically arranged. The ignition gun is opposite to a conventional ignition gun gas circuit design thought, air is input from the middle, and gas is conveyed by surrounding the air conveying pipe. A flame monitoring device at the rear end of the ignition gun obtains a good flame signal through an air conveying pipe with a relatively large sectional area in the middle, and reliable detection of flames is achieved. The air conveying pipe is eccentrically arranged in the outer pipe, and sufficient space is provided for reliable installation of the spark plug in a compact structure. And meanwhile, a pre-mixing flame stabilizing structure is designed at the front end of the ignition gun, so that ignition and main fire can be stably established, and the ignition success rate is ensured.

The invention relates to the technical field of fused salt energy storage, and provides a fused salt energy storage temperature sensor, which comprises a connection main body, a temperature detection mechanism and a cleaning heat dissipation mechanism, and is characterized in that the temperature detection mechanism is installed in the connection main body, and the cleaning heat dissipation mechanism is installed at the top of the connection main body; the temperature detection mechanism is composed of an extending assembly and a multi-dimensional detection assembly, the extending assembly is installed in the connecting body, the multi-dimensional detection assembly is installed at the bottom of the extending assembly, and the sweeping and heat dissipation mechanism comprises a sweeping assembly and a heat dissipation assembly. The cleaning assembly and the heat dissipation assembly are both installed at the top of the connecting main body, through arrangement of a first air cylinder, a rotating motor and other structures, during detection, the first air cylinder pushes the detection frame body to go deep into molten salt, and the rotating motor drives a drill bit to rotate so as to assist in going deep; a servo motor in the multi-dimensional detection assembly drives a temperature sensor to move close to a ceramic heat conduction frame, multi-dimensional accurate detection is achieved, the ceramic heat conduction frame conducts heat and protects the sensor, it is ensured that detection is accurate and reliable, and through the technical scheme, the problems that in the prior art, detection accuracy is low, and operation is unstable are solved.

The utility model discloses a cleanliness particle detection instrument filter membrane carrier which comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixing plate, the interior of the fixing plate is slidably connected with a displacement block, the top of the displacement block is provided with a placing groove, one side of the fixing plate is fixedly connected with a fixing block, and the interior of the fixing block is provided with a sliding groove. A limiting assembly is arranged in the sliding groove, one side of the bottom plate is fixedly connected with a first mounting frame, and the other side of the bottom plate is fixedly connected with a second mounting frame. The utility model aims to solve the problems that the instability and the reliability of an experimental result are reduced due to inconsistent pressure applied by different operators, and the test result is not stable and reliable when a filter membrane carrier of a traditional cleanliness particle detection instrument is used for manually pressing the filter membrane and then detecting the filter membrane through a microscope, and the filter membrane carrier cannot be used for detecting the filter membrane when the filter membrane is pressed. The problem that the detection efficiency of the device is reduced due to inaccurate detection data caused by the fact that a container for bearing the filter membrane is likely to move in the prior art is solved.

The present invention relates to a KASP molecular marker for identifying corn stalk puncture strength and its application. Studies have found that there is a G / A polymorphism on the nucleotide at position 59899287 of chromosome 10 of the corn genome (B73, V4), and the SNP site is significantly associated with the corn stalk puncture strength; a KASP molecular marker related to the stalk puncture strength is developed based on the SNP site. The molecular marker can be used to identify or assist in identifying the stalk puncture resistance, and has a high accuracy rate. The SNP_10_59899287 site of the present invention has a large contribution to the phenotype, and the KASP detection is convenient and has a high throughput. Materials with strong stalk puncture resistance can be quickly screened out for lodging resistance breeding of corn varieties, with a clear selection target, which greatly saves breeding costs.

The utility model discloses a vacuum sealing machine, belongs to the technical field of sealing machines, and aims to overcome the defect that the reliability of the conventional sealing machine for detecting the water level of a lower vacuum tank is poor. The sealing machine comprises a machine body and a lower sealing seat mounted on the machine body, and a lower sealing cavity is formed in the lower sealing seat; a photoelectric liquid level detection device is arranged in the sealing machine and comprises a light emitting element and a light receiving element, the positions of the light emitting element and the light receiving element are lower than the position of an upper end opening of the lower sealing cavity, and the light emitting element emits light into the lower sealing cavity so that when the liquid level in the lower sealing cavity reaches the preset height, the liquid level in the lower sealing cavity can be detected. The light receiving state of the light receiving element changes. Due to the fact that the positions of the light emitting element and the light receiving element are lower than the position of the upper port of the lower sealing cavity, the path of the light emitted by the light emitting element transmitted to the light receiving element is not shielded by the sealing bag, and the liquid level in the lower sealing cavity can be detected more reliably.

This invention discloses an interface anomaly detection circuit and a charger. The interface anomaly detection circuit includes: a pull-up module connected between a voltage source and a configuration signal line; a pull-down module connected between the configuration signal line and a reference ground; a control module configured to control the on / off state of a first loop between the pull-up module and the configuration signal line, control the on / off state of a second loop between the pull-down module and the configuration signal line, and output a first switching signal or a second switching signal; and a detection module for acquiring a sampled voltage of the configuration signal line and, in response to the first switching signal or the second switching signal, determining whether parasitic capacitance or short-circuit resistance caused by moisture intrusion exists on the configuration signal line based on the sampled voltage. Through this method, this invention can reliably detect interface moisture intrusion at a low circuit cost and avoids altering the interface structure to affect signal transmission.

The utility model discloses a cigar comprehensive test board. The test board comprises a feeding unit, a length circumference detection unit, a weight detection unit, a suction resistance detection unit and a sample conveying unit, the sample conveying unit comprises a vertically arranged transmission toothed belt, a servo motor for driving the transmission toothed belt to transmit up and down, and a tray horizontally fixed on the transmission toothed belt, and the tray is driven by the servo motor to move up and down; samples received from the feeding unit are conveyed to sampling ports of the length circumference detection unit, the weight detection unit and the suction resistance detection unit respectively, and the detection units are used for detecting the length, circumference, weight and suction resistance of the samples. According to the utility model, rapid and comprehensive detection of cigar length, circumference, weight and draw resistance indexes can be realized, integrated and automatic detection functions are achieved, cigar quality detection efficiency and precision are improved, cost is reduced, scientificity and objectivity of quality control are enhanced, and improvement of product quality and market competitiveness of cigar production enterprises is facilitated.

The invention belongs to the technical field of heat transfer pipe inner hole clamping mechanisms, and discloses a heat transfer pipe inner hole clamping mechanism capable of being quickly replaced, which comprises a clamping jaw module, a driving module and a clamping jaw mounting seat, the clamping jaw module is provided with a clamping jaw shell, a clamping jaw, a sliding block sleeve, a sliding block inner column and a clamping jaw baffle block; the driving module is provided with a lifting air cylinder, a telescopic air cylinder, a tensioning air cylinder and a tensioning air cylinder bottom cover, the telescopic air cylinder is arranged in the lifting air cylinder and can move up and down, the tensioning air cylinder is arranged in the telescopic air cylinder and can move up and down, the tensioning air cylinder bottom cover is installed below the tensioning air cylinder, the tensioning air cylinder is provided with a tensioning piston, and the tensioning piston is used for pushing the sliding block inner column. The clamping jaw module is installed on the clamping jaw installation base, and the clamping jaw installation base is connected with the tensioning air cylinder. The robot can adapt to heat transfer pipes with different hole diameters, multiple actual working conditions such as fixed installation and passive rotation are supported, and the clamping reliability, adaptability and maintenance efficiency of the steam generator heat transfer pipe maintenance robot in the complex environment are improved.

This invention discloses a magnetic solid-phase extraction method for detecting trace amounts of glucocorticoids in hydrophilic media, belonging to the field of sample pretreatment and chromatographic analysis technology. The method includes: adjusting the pH of a hydrophilic medium sample containing glucocorticoids and adding an ionic strength modifier to obtain a pretreated sample; mixing a magnetic covalent organic framework-based composite nanomaterial with the pretreated sample and performing oscillatory extraction under a dynamic gradient magnetic field to adsorb the glucocorticoids onto the material surface; separating the material adsorbed with glucocorticoids using an external magnetic field and discarding the supernatant; performing ultrasonic-assisted elution of the material using an elution solvent and collecting the eluent; and detecting the eluent using high-performance liquid chromatography-diode array detector (HPLC-DID) and calculating the glucocorticoid concentration based on a standard curve.

The present invention discloses a detection device for an LED display screen, which belongs to the technical field of display screen detection, and includes a detection platform and an end detection sealing plate for placing a display screen component to be tested, and the upper side walls of the front and rear ends of the detection platform are both provided with a push groove, and the inner end surface of the push groove is connected to a U-shaped seat through a hydraulic push rod, and the upper side walls at both ends of the U-shaped seat are both connected to a lower arc panel. The present invention can detect the concave and convex surface on the sealing surface of the display screen component by using a plurality of pressure-testing contacts through the arrangement of a pressure-testing contact and a deflection-testing assembly, and then amplify the deflection of the pressure-testing contact caused by the concave and convex surface through a polarization magnifying plate, so that the small-angle deflection caused by the subtle concave and convex surface can also be accurately and intuitively detected, and at the same time, the arrangement of a strong spring rod and a limit assembly can use the strong spring rod to continuously simulate the state of pressure and impact on the edge of the rubber surface of the display screen component during use, and detect the condition of the rubber surface after the application state.

The invention relates to the technical field of electric power and communication, in particular to an equipment hardware self-checking method and device, computer equipment and a storage medium. According to the invention, during detection, only the interface test frame needs to be sent to the short-circuited hardware interface through the hardware interface, and the test result frame is generated through verification of the interface test frame. Therefore, the self-checking method does not need to develop any tool device, and the development and board investment cost and the research and development workload are greatly reduced. Besides, due to the fact that the distributed power supply access unit is provided with a plurality of interfaces, one chip can not carry a plurality of interfaces, a double-chip framework of the main control chip and the coprocessor is adopted in the embodiment, more interfaces can be expanded, the double-chip framework has the advantages of being capable of processing more service logics, the main control chip and the coprocessor do not interfere with each other, and the service logic processing efficiency is improved. The coprocessor can cooperate with some simple operations, the main control chip has more resources to do more important things, and the operation efficiency is greatly improved.

A cleaning solution conveying device of a base station comprises a cleaning solution storage device and a cleaning solution taking device which are arranged in a base station body, the cleaning solution storage device comprises a first containing cavity, a cleaning solution bottle and an in-place detection device which are arranged in the base station body, a bottle opening of the cleaning solution bottle is formed in the top, and a bottle cap is arranged at the bottle opening; the cleaning liquid taking device is arranged on the bottle cap and comprises a pressing connection seat and a first pipeline arranged in the pressing connection seat, a second pipeline is arranged in the cleaning liquid bottle, and a first through hole and a second through hole are formed in the butt joint face of the pressing connection seat and the bottle cap respectively. One end of the first pipeline is communicated with the first through hole, the other end of the first pipeline is communicated with the pump assembly, one end of the second pipeline is communicated with the second through hole, the other end of the second pipeline extends downwards, and a sealing assembly is further arranged on the butt joint face of the crimping base or the bottle cap. The cleaning solution conveying device of the base station can ensure that the cleaning solution bottle is installed in place, and is more convenient to operate and lower in use cost.

The invention relates to the technical field of feed trays, and discloses a novel feed tray detection device, which comprises an adjustable bracket used for mounting and supporting the detection device and avoiding a vibration source; the connecting support and the adjustable support are installed in a hinged mode, the connecting support is used for adjusting the detection angle of the detection device, a mounting plate is installed on one side of the connecting support, and the relative height of the mounting plate and the connecting support is adjustable; the pendulum component is arranged on the side surface of the mounting plate and is rotationally connected with the mounting plate; according to the invention, the problems of unstable material quantity and high alarm rate caused by similar colors and different heights of products in traditional optical fiber detection are comprehensively solved through a plurality of adjusting structures (the adjusting pipe has multiple gears, and the angle and height of the connecting bracket are adjustable) and different state designs (vertical / inclined / universal ball structures) of the pendulum component, and the production efficiency is effectively improved.

This invention relates to the field of pose analysis technology, and discloses a method, system, terminal, and storage medium for human body localization and pose estimation based on spatial fingerprint tensors. The method includes: acquiring the target's original echo signal data and performing near-field spherical wave modeling to construct a spatial fingerprint tensor; performing feature decomposition on the spatial fingerprint tensor to extract various features; using these features, performing human target detection and localization through a lightweight tensor network classifier to distinguish between human and non-human targets; for detected human targets, further analyzing the spatiotemporal variation pattern of their spatial fingerprint tensor; and combining this with a human kinematic model to estimate the human pose. This invention abandons the traditional process of first generating point clouds, directly using the original echo signal to construct a spatial fingerprint tensor, achieving accurate localization of human targets through tensor decomposition and feature extraction, using polarization scattering features to distinguish human body materials, and combining micro-motion features to reliably detect human bodies, reducing false alarms.

The application belongs to the technical field of transformer fault identification and maintenance, and particularly relates to an integrated online monitoring system based on early diagnosis of power station transformer faults; a UAV stabilizes flight to the position of power equipment through a UAV flight stabilization module to perform video shooting, and the video is transmitted to a deep learning power equipment fault identification platform in real time; the deep learning power equipment fault identification platform analyzes and processes the transmitted video, and in combination with the data of the power equipment sensor, judges the fault cause of the power equipment, and transmits the judgment result data to a fault maintenance unit; the fault maintenance unit checks and maintains in combination with the transmitted judgment result data; a terminal data display screen displays the running data of the power equipment in real time; a power equipment independent database retains and updates the running data of the power equipment; not only is the UAV introduced to form unique flight for the power equipment, but also a new identification technology is introduced for the fault of the power equipment as an auxiliary means.

The photovoltaic three-phase test system and the photovoltaic three-phase test method provided by the invention have the advantages that the operation is simple, reliable detection on three-phase grid-connected and off-grid control equipment can be realized, and the test efficiency is high; comprising a power supply detection module which is connected between a mains supply and a power grid leading-out terminal of a detected product and is configured to perform contact mechanical detection operation so as to realize switching of a power supply mode and a working mode of the detected product; the working mode comprises a grid-connected mode and an off-grid mode; the inversion detection display module is connected with the inversion leading-out end of the tested product and the power supply detection module, and is used for testing and displaying the inversion side of the tested product in a grid-connected mode; the load detection display module is connected with the load leading-out end of the tested product and the power supply detection module, and is used for testing and displaying the load side of the tested product in a grid-connected mode; and the off-grid detection module is connected with the load leading-out end of the tested product and the power supply detection module, and is used for testing and displaying the load side of the tested product in an off-grid mode.

The invention relates to a method for determining the concentration of a component in a fluid, such as a cooling lubricant or an HFC fluid, according to the transmitted light principle by means of a laser (22) of a measuring device using a refractometry, the method comprises at least the following method steps: predetermining a peak for the laser light received by refraction on the photodiode array (46) using a fluid to be uniformly transparent, and using an evaluation device (59) to adjust the duty cycle of the laser (22) and / or the current intensity for the laser (22) and / or the sensitivity of the photodiode array (46) such that the peak value remains constant despite the occurrence of an interference variable.

The invention relates to the technical field of high-altitude operation machinery, and discloses a sliding block abrasion detection method for an arm support device, a sliding block abrasion detection device for the arm support device and high-altitude operation machinery, and the sliding block abrasion detection method comprises the steps: obtaining a relation database of the knuckle arm deflection curve rotation angle of the arm support device and the sliding block thickness; determining that the rotating knuckle arm is in a horizontal state; the boom device is controlled to execute extension operation, so that the telescopic knuckle arm is in a full-extension posture; acquiring an actual deflection curve corner value of the telescopic knuckle arm; determining a total thickness predicted value of the sliding block assembly according to the actual deflection curve corner value and the relational database; and calculating a wear degree detection value of the sliding block assembly based on the total thickness initial value and the total thickness predicted value of the sliding block assembly. The sliding block abrasion detection method for the arm support device is simple and easy to implement, and the abrasion degree detection value of the sliding block assembly on the arm support device can be rapidly, stably and reliably obtained.

The invention discloses an intelligent social assistance device, system and method and wearable equipment. The intelligent social assistance device (1000) comprises: a sensing module (1100) configured to collect in real time at least one kind of social related information among exchange object information, environmental information, and user's own information; the intelligent processing module (1200) is configured to generate social auxiliary information based on the social related information collected by the sensing module (1100) in real time; and a social assistance information presentation module (1300) configured to present the social assistance information to the user in a hidden manner. The intelligent social auxiliary device (1000) further comprises a communication module (1400) for establishing a communication connection with an external terminal device, another similar device or a remote server. According to the method and the system, situational and personalized social assistance can be realized.