36results about How to "Realize acquisition" patented technology

The application discloses a kiwi storage day prediction system based on a sensing glove, which comprises a portable sensing glove, realizes measurement of kiwi volume, weight, hardness and environmental temperature and humidity information, and further trains a data set collected by the sensing glove through a CNN network, constructs a kiwi storage day prediction model, and realizes prediction of the kiwi storage day. The application combines the portable sensing glove and the kiwi storage day prediction model to form the kiwi storage day prediction system, designs a man-machine interaction interface and an operating system, realizes visualization of system information through the man-machine interaction interface, guarantees more convenient man-machine interaction, realizes the kiwi storage day prediction process based on the kiwi storage day prediction model, realizes prediction of the kiwi storage day, guarantees customer satisfaction and reduces kiwi waste of a merchant.

This utility model discloses a universal communication module for electricity meters, relating to the field of communications. The universal communication module for electricity meters provided by this solution automatically collects the electricity data of the meter through an MCU, which greatly improves the efficiency of data collection compared to manual data collection. Furthermore, considering that the power supply system monitoring requires real-time acquisition of electricity data from all meters, this solution incorporates a wireless communication module and an antenna in the universal communication module. Because the wireless communication module has a long transmission distance, covering a range of several kilometers or even tens of kilometers, it can solve the long-distance communication needs that traditional communication technologies cannot meet. Therefore, after the MCU collects the electricity data from the meter, it sends it to the wireless communication module, converts it into a corresponding radio frequency signal, and accurately uploads it to the communication network through the antenna. This communication network enables the collection of electricity data over a long range, thus meeting the long-distance communication requirements of the electricity meter.

The application discloses a cyanide-containing slag tailing pond groundwater environment risk early warning system, a groundwater monitoring well subsystem comprises a plurality of groundwater monitoring wells; a timing sampling control subsystem is used for controlling the pumping time, flow and frequency of a water pump in each groundwater monitoring well; a color reaction subsystem comprises a color developing device and is used for monitoring the color developing reaction of the groundwater sample; a color sensing subsystem comprises a light source and a color sensor, the light source is irradiated towards the color developing device, and the color sensor is used for collecting the emergent light signal of the color developing device after the color developing reaction; a central control platform comprises an early warning subsystem and an emergency disposal response subsystem, the early warning subsystem receives the color sensor signal and divides the risk grade according to the obtained signal; the emergency disposal response subsystem executes corresponding detection and repair responses according to the risk grade made by the early warning subsystem; the application realizes the rapid detection of the cyanide content in the groundwater around the cyanide-containing slag tailing pond and the feedback and early warning of the environmental pollution risk grade.

The application relates to a probe for detecting a buried pipeline voltage gradient, which comprises a probe main body, a probe head assembly, a locking positioning part, an aviation plug and a switch button; the probe main body comprises an outer pipe and an inner pipe, a part of the lower end of the inner pipe is an installation section, the installation section is located outside the outer pipe, and the probe head assembly is installed on the installation section; the upper end of the inner pipe is located inside the outer pipe, and the upper end of the inner pipe is tightly fixed with the inner side wall of the outer pipe through the locking positioning part; a part of the upper end of the outer pipe is an assembly section, the assembly section and the upper end of the inner pipe are arranged in the respective axial directions and are spaced apart, a sleeve is arranged on the assembly section, and the free end of the sleeve is provided with the switch button; the aviation plug is arranged on a section between the assembly section and the inner pipe of the outer pipe; the probe head assembly is electrically connected with the aviation plug through cables, and the aviation plug is electrically connected with the switch button. The application realizes the collection of alternating voltage gradient and direct current voltage gradient at the same time in the detection outside the buried pipeline, reduces the labor intensity, improves the detection efficiency, and obtains more current pipeline information.

The invention discloses a comprehensive maintenance method and system for construction of a composite wall of a comprehensive hub station through a cover-excavation top-down method, and relates to the technical field of rail traffic engineering construction. The technical problems of low maintenance efficiency, unbalanced temperature and humidity control, easiness in cracking and leakage and the like of the laminated wall under the working condition of top-down excavation are solved; the comprehensive system comprises mold curing, intelligent temperature and humidity control, cooling temperature control, heat preservation and moisture preservation and monitoring early warning, automation, refinement and traceability of the curing process are achieved, the moisture preservation and heat preservation period of the laminated wall is prolonged, the internal and external temperature difference is strictly controlled to be smaller than or equal to 25 DEG C, the concrete surface moisture content is controlled to be larger than or equal to 80%, and the impervious concrete curing period is controlled to be larger than or equal to 14 d. According to the construction method, the integrity and the anti-cracking and anti-seepage performance of the wall body are remarkably improved, the construction requirements of the large cover-excavation top-down composite wall are met, the construction convenience and the maintenance quality reliability can be effectively improved, and remarkable economic and social benefits are achieved.

This solution provides a portable fingerprint acquisition device for criminal investigation, including a light source emitting component; a fingerprint multi-angle acquisition component, wherein the fingerprint multi-angle acquisition component includes a fingerprint acquisition channel and at least one reflector arranged around the fingerprint acquisition channel; a fingerprint channel cover placed on the fingerprint acquisition channel, wherein the fingerprint channel cover includes a brush roller and a brush arranged on the surface of the brush roller; an optical path acquisition component; and an image acquisition component; wherein the light source emitting component, the fingerprint multi-angle acquisition component, the optical path acquisition component, and the image acquisition component are sequentially designed on the fingerprint acquisition optical path, adopting a non-contact omnidirectional fingerprint acquisition structure, improving the accuracy and efficiency of fingerprint acquisition, and meeting the needs of criminal investigators for rapid evidence collection in mobile scenarios such as the field and crime scenes.

The application discloses an electromagnetic bistable piezoelectric energy harvesting device, comprising a base, an arc-shaped elastic beam provided with a piezoelectric element, a vibrating body and an electromagnetic driving device. The arc-shaped elastic beam provides a nonlinear restoring force with a negative stiffness interval when the vibrating body moves. The electromagnetic driving device generates an electromagnetic force along a preset direction when adjustable current is input, and the electromagnetic force partially compensates the restoring force in the negative stiffness interval, so that the resultant force still retains the negative stiffness characteristic. The vibrating body has two stable equilibrium positions, forming a bistable structure. Since the electromagnetic force is proportional to the adjustable current, changing the current can continuously adjust the compensation degree of the negative stiffness, and further continuously adjust the potential barrier height. Without replacing mechanical parts, the device can adapt to different vibration environments and realize efficient energy harvesting under low-frequency and low-amplitude conditions.

A fiber optic spectrometer, belonging to the field of optical instruments, includes a beam collimating unit positioned perpendicular to the emission direction of the fiber optic light. Behind the collimating unit, a beam deflector is tilted, and below the deflector, a projection grating is positioned. The transmission grating forms a 45° angle with the line parallel to the central wavelength principal ray of the beam collimating unit. A pair of mirrors with different tilt angles are positioned on the light emission side of the transmission grating, and a beam focusing unit is positioned on the light incident side of the transmission grating. The emitted beam from the beam focusing unit is parallel to and opposite to the central wavelength principal ray of the beam collimating unit. A detector array is positioned on the fiber emission side of the beam focusing unit. This invention uses a single projection grating, achieving two symmetrical reflections through the mirrors, and its optical path dimensions are more compact than the aforementioned dual-grating structure, thus achieving the spectral resolution effect of a dual-grating.

A Rogowski coil applied to distribution network traveling wave current acquisition belongs to the field of traveling wave current acquisition equipment. It comprises a ring-shaped winding framework (2), a secondary side coil (3) is wound on the winding framework (2), and a primary side coil (4) is further arranged at the winding framework (2), characterized in that a magnetic core (6) is arranged in the winding framework (2), at least one opening is arranged on the circumference of the magnetic core (6), and the winding angle of the secondary side coil (3) along the circumference of the winding framework (2) is less than 360°. In the Rogowski coil applied to distribution network traveling wave current acquisition, at least one opening is arranged on the circumference of the magnetic core, so that the magnetic core meets the mutual inductance coefficient of the distribution network traveling wave current, and the magnetic saturation during measurement is avoided, meanwhile, the two coil joints of the secondary side coil do not overlap on the surface of the winding framework, which is more helpful to meet the requirement of inter-turn capacitance and further meet the frequency bandwidth during sampling.

A model construction method of a photovoltaic power generation unit, characterized in that the method comprises the following steps: step 1, model simulation is performed on a grid-connected inverter of the photovoltaic power generation unit, the simulation model comprises a basic model and a simplified model, wherein the simplified model is used to simplify a half-bridge structure of the grid-connected inverter into a three-phase power supply in the simulation process; step 2, the simulation model of the grid-connected inverter is input into power system simulation software, and a running disturbance is added to the simulation model to obtain an adjustment effect of the simulation model on the running disturbance; and step 3, based on the adjustment effect of the simulation model and the network scale to be analyzed, the basic model or the simplified model is selected to be used. The method is simple, the improvement of the simulation model is accurate and effective, and fully meets the demand of model calculation efficiency under large-scale simulation.

The application discloses an operating mechanism data acquisition system and a driving loop module and method thereof, and the module comprises a high-voltage direct-current power supply HM, a high-voltage direct-current power supply KM, a power adapter DP, an embedded control module QK, a control switching plug HT, a supply and discharge circuit, a closing and opening knob KK and a rotary switch ZH2; the high-voltage direct-current power supply HM provides an energy storage power supply and a closing power supply for a measured operating mechanism, the high-voltage direct-current power supply KM provides an opening power supply for the measured operating mechanism, the power adapter DP provides a working power supply for the embedded control module QK, and the required operating power supply voltage for testing can be met; the embedded control module QK can realize program control of driving, the rotary switch ZH2 can realize mode conversion between manual control and program control of driving, and the closing and opening knob KK can realize manual control of driving, so that the problem that traditional operating mechanism research experiments cannot simultaneously integrate automatic control of multiple characteristic parameters is solved.

The utility model discloses an ecological restoration detects with soil collection equipment relates to ecological restoration technical field, device main part is connected through rotating mechanism and rotation block, and device main part below and threaded rod is screwed, and device main part and connecting axle slidingly connected, this device is provided with collection structure. When using, after device main part is fixed through threaded rod and ground, when needing to collect, rotate first threaded shaft, make first threaded shaft rotate in fixed groove, make the collector below drop, through the sharp protrusion below the collector and insert into the ground, when the collector enters the ground, the moving block is extruded, the moving block moves, makes telescopic axle adjust through the hinge shaft, makes telescopic axle front end drive second sliding block on fixed link slip through the hinge shaft, and the damper on fixed link surface contracts simultaneously, and second sliding block drives the moving plate in front on the slide bar sliding and opens below, at this moment, the soil enters the collection head and completes the collection.

This invention discloses a multi-sample rack loading and continuous barcode scanning mechanism, including a loading platform. The surface of the loading platform is provided with a limiting component for guiding and limiting multiple loading racks. One end of the loading platform is provided with a positioning detection component. During the process of the loading rack being inserted into the loading platform along the limiting component, the samples in the loading rack are driven through the scanning range of the barcode scanning structure located on one side of the loading platform to achieve barcode scanning. By setting up loading racks and limiting components, when a loading rack full of sample containers is manually or automatically pushed or conveyed along the guide mechanism, the barcode scanner starts to work. As the loading rack moves, it completes the barcode scanning of all sample containers on the rack one by one. This mechanism is designed to support multiple loading racks being fed in sequentially and continuously and performing independent barcode scanning operations. The barcode scanning process of each loading rack does not interfere with each other, realizing the integration of the loading process of the loading rack and the automatic scanning process of sample information.

This invention discloses a testing device and method for thermal gas generation from lithium batteries. The device includes an environmental chamber, a sample chamber, a charging and discharging device, a first solenoid valve, a first gas guide pipe, a gas collection device, and a controller. The sample chamber has a first gas guide pipe, which is connected to the first solenoid valve and the gas collection device sequentially through a first through-hole of the environmental chamber. The environmental chamber has a heating function. The controller controls the charging and discharging device to charge and discharge the lithium battery. When the state of charge of the lithium battery reaches a preset charge range, the controller controls the environmental chamber to heat at a preset rate so that the temperature inside the sample chamber reaches a preset temperature threshold. The controller also controls the first solenoid valve to be open so that the gas inside the sample chamber enters the gas collection device. The controller also performs component analysis on the gas collected by the gas collection device at different temperatures. This enables the collection of gas from the lithium battery at different states of charge and different temperatures.

The application provides an information acquisition method, system, blood pressure measuring device and electronic device. The information acquisition method can comprise: in the case that a target blood pressure value sent by a blood pressure measuring device is received, determining whether the current blood pressure measurement belongs to a first preset abnormality; wherein the target blood pressure value is measured by the blood pressure measuring device, and the first preset abnormality comprises a case that the blood pressure measurement is correct but the blood pressure value is abnormal or a case that the time interval between two blood pressure measurements is greater than or equal to a first preset time length; in the case that the current blood pressure measurement belongs to the first preset abnormality, sending a first voice to the blood pressure measuring device; and receiving a second voice sent by the blood pressure measuring device; wherein the second voice comprises illness information replied by a user to the first voice. The technical scheme provided by the application can solve the problem of low efficiency in collecting illness information by means of artificial telephone follow-up for blood pressure values in the prior art.

The utility model belongs to electroacoustic transducer technical field discloses a moving coil type sound head and microphone. The moving coil type sound head includes shell, first sound pickup subassembly and second sound pickup subassembly, the inside of shell has acoustic cavity, shell has the sound inlet, acoustic cavity is connected with outside through sound inlet, first sound pickup subassembly includes first magnet and first sound film, is provided with first coil on first sound film, first sound film is opposite sound inlet and is arranged in acoustic cavity, first magnet is arranged in acoustic cavity, first sound film vibration drives first coil to move relatively first magnet and produces electric current, second sound pickup subassembly includes second magnet and second sound film, second magnet is arranged in acoustic cavity, second sound film and first sound film are along the propagation direction of sound wave in acoustic cavity and are spaced, are provided with second coil on second sound film, second sound film vibration drives second coil to move relatively first magnet and produces electric current. The moving coil type sound head improves the sensitivity of sound signal acquisition, can better capture and restore sound signal.

The application relates to the technical field of optical fiber sensing, in particular to a distributed optical fiber Doppler acoustic sensing system and method. The system comprises an optical fiber Doppler laser interference device for generating a narrow-linewidth laser signal and receiving a return signal for vibration analysis; a main optical fiber connected to the interference device at one end; a plurality of branch sensing units distributed along the main optical fiber, each branch sensing unit comprising: an optical splitter with a first main connection end and a second main connection end connected to the main optical fiber respectively, the optical splitter outputting the narrow-linewidth laser signal from its splitting end and the second main connection end respectively after splitting the narrow-linewidth laser signal; and a vibrating membrane cavity sensor arranged in a measured environment and connected to the splitting end of the optical splitter through a sensing optical fiber, the vibrating membrane cavity sensor reflecting a return signal carrying a Doppler frequency shift, the return signal entering a reverse transmission path of the main optical fiber through the sensing optical fiber, the splitting end and the first main connection end, and returning to the interference device. The application realizes spatially distributed multi-point acoustic / vibration monitoring.

This invention discloses a non-contact device and method for inspecting the appearance of the inner surface of a hole. The device can be functionally divided into a motion control section and an image acquisition section. The motion control section includes a single-axis displacement stage, a single-axis rotary stage, a two-dimensional alignment stage, and a motion controller. The image acquisition section includes an industrial microscope head, an industrial camera, a video tube, and an LED lighting source. The measurement process includes the following steps: 1) calibrating the measuring device using a high-precision optical resolution plate; 2) calibrating the two-dimensional alignment stage using circular markers; 3) calibrating the rotation center position using a laser; 4) aligning the hole to be measured with the probe based on the calibration results; 5) initiating automatic image acquisition and stitching; and 6) calculating the actual size of the defect and its position within the hole. This invention can achieve panoramic defect inspection of the inner wall of blind holes or countersunk holes with diameters of 4mm-8mm and depths <45mm.

This invention relates to a reel-changing method for an automatic cigarette paper changing machine, comprising: calculating the unwinding speed of the A reel unwinding shaft; calculating the tension swing PID of the A and B reel unwinding shafts; the process of the upper rejection roller cutting the unwound paper strips from the A reel unwinding shaft; and the paper strip splicing process: the smooth roller starts in advance to achieve a uniform speed; the pattern roller accelerates from a standstill at the acceleration position, and its speed must be exactly the same as the smooth roller and the linear speed of the paper roll before reaching the splicing position; the pattern roller and the smooth roller instantly bond the unwound paper strips from the A and B reel unwinding shafts; and the lower rejection roller cuts the unwound paper strips from the B reel unwinding shaft. This invention achieves dynamic online real-time monitoring and real-time action, as well as the mutual coordination between actions, realizing automatic reel changing and glue-free paper strip bonding, overcoming industry problems and truly achieving mechanical automation.

This invention relates to the technical field of rope skipping training, specifically to a rope skipping training method and system, comprising the following steps: collecting the jump offset of the rope skipper to obtain a jump offset model, and using the variation model to predict whether the jumper's leg posture is standard; collecting the pixel difference of the jumper's posture offset to obtain an arm posture change offset model, and using the variation model to predict whether the jumper's arm posture is standard; determining whether the leg posture of any jump is qualified; determining whether the arm posture of any jump is qualified; and obtaining a rope skipping success rate model. The rope skipping training method of this invention estimates the first calculation result of rope skipping by collecting the jumper's jump offset, arm posture change offset, and jump frequency, until the calculation result of each rope skipping training session is obtained. The data collection is simple and has strong universality.

This invention relates to an intelligent adaptive control system for shooting light based on multi-point photometric monitoring, belonging to the field of optical measurement and automatic control technology. The system includes: a photometric sensing unit that collects and preprocesses photometric data from various areas of the shooting scene through a multi-directional, three-dimensional array of acquisition nodes; an anchoring and calculation unit that constructs a four-layer holographic mapping model of the light field based on measured data, matches the target light field parameters, calculates the deviation, and generates a priority-based collaborative control strategy; a collaborative control unit that adjusts the exposure parameters, supplementary light intensity, and color temperature of the shooting equipment according to priority to correct the light field deviation; and an optimization and control unit that iteratively optimizes the model by re-acquiring data, compares the remaining deviations, and executes closed-loop control. This system achieves comprehensive perception, accurate modeling, and intelligent control of the shooting light field, solving the problems of incomplete data acquisition, low control accuracy, and poor scene adaptability in traditional systems.

This invention provides a management and control device and method for a service mesh cloud platform based on the Loongson architecture, comprising: a domestically produced hardware support layer processor using the Loongson architecture; a unified management and control layer for receiving user configuration instructions and converting them into standard control signals, while simultaneously collecting resource status data, policy execution status data, and operational status data, and summarizing them into network-wide operational status data; a cloud adaptation layer for converting standard control signals into interface signals; simultaneously collecting resource status data returned by external multi-vendor cloud platforms; a service mesh control plane for parsing service mesh governance policies and generating traffic governance instructions; simultaneously collecting data forwarding status and service operational status and summarizing them into policy execution status data; and a data plane for receiving and executing traffic governance instructions issued by the service mesh control plane, optimizing network forwarding processes based on the Loongson architecture. This invention can improve the efficiency of microservice governance and management, architectural adaptability, and communication security in the context of domestically developed IT applications.

The utility model relates to the technical field of smoke sensor, specifically relates to a power battery smoke sensor, and technical scheme main points include casing, circuit mainboard and top cap, set up the mounting surface on the casing, set up the side window on the opposite side of mounting surface, set up the emission seat, receiving seat, maze structure and bottom window on the casing, the emission seat is used for infrared emission pipe joint, receiving seat is used for infrared receiving pipe joint, based on emission and receiving route, the included angle of emission seat and receiving seat is greater than 90 degrees, the area between emission seat and receiving seat sets up maze structure, bottom window is close to maze structure, and the main circuit board covers the top of maze structure and is set up with the through -hole of position directly opposite bottom window in the middle, the top cap is buckled on the casing and covers circuit mainboard, and the top window of position directly opposite through -hole is set up on the top cap. The utility model discloses through adopt greater than 90 degrees infrared emission receiving route, adopt maze structure, improve the inductive accuracy.

This invention discloses a centralized control panel assembly system for an aircraft cockpit. The centralized control panel assembly system includes a control panel assembly and a digital processing module. The control panel assembly has a control panel operation switch, a switch signal acquisition circuit module, and a switch signal gating circuit module. The switch signal of the control panel operation switch is connected to the switch signal input terminal of the switch signal acquisition circuit module. The switch signal output terminal of the switch signal acquisition circuit module is connected to the corresponding switch signal input terminal of the switch signal gating circuit module. The switch signal output terminal of the switch signal gating circuit module is connected to a common switch signal input terminal of the digital processing module. The beneficial effect of this invention is that it realizes centralized acquisition and transmission of switch signals in the control panel assembly system.

The application provides an aging furnace for aging detection of a display panel, which comprises a furnace body, at least one furnace rack arranged in the furnace body, the furnace rack being used for placing the display panel, at least one image acquisition device arranged in the furnace body, the image acquisition device being used for acquiring a picture of the display panel, a supporting mechanism arranged in the furnace body, the supporting mechanism moving at least one connecting assembly arranged on one side of the furnace rack, two ends of the connecting assembly being connected with the supporting mechanism and the image acquisition device respectively, the connecting assembly comprising a plurality of universal joints connected in sequence, adjacent universal joints being connected through shafts, the setting position and the setting angle of the image acquisition device being adjusted through the connecting assembly, and a controller arranged outside the furnace body, the controller being electrically connected with the image acquisition device, and the controller being used for receiving the picture acquired by the image acquisition device. The application can effectively improve the accuracy and quality of the aging detection of the display panel.

The application discloses a control method with steel signal threshold value matching and correction, relates to the field of steel production, and solves the technical problem that the existing abnormal steel signal causes production disorder. The method comprises the following steps: collecting rolling line steel passing torque mean value and rolling line no-load torque mean value; obtaining an optimal time interval; calculating the optimal steel signal triggering torque value by taking the rolling line steel passing torque mean value and the rolling line no-load torque mean value of the optimal time interval; setting the optimal threshold value of the steel signal rolling distance; if the optimal steel signal triggering torque value is greater than the optimal threshold value of the steel signal rolling distance, an abnormal early warning is given, and the next step is entered; otherwise, a normal state is maintained; and when the rolling mill appears abnormal early warning, the triggering torque threshold value is matched and adjusted. The application further discloses a control system with steel signal threshold value matching and correction. The application can avoid the occurrence of steel stacking and process accidents.

This invention discloses a diagnostic and early warning method and system for hydropower equipment that integrates acoustic signature perception and mechanism fusion, belonging to the field of equipment fault diagnosis technology. The method includes: partitioning based on a sound field coupling mechanism to form K monitoring zones; deploying K acoustic signature acquisition terminal arrays according to sound field feature topology; a diagnostic server receiving K channel signals, obtaining P target acoustic signatures through sound source decoupling, and obtaining cross-operating condition feature vectors through spatiotemporal feature mining; inputting a fault propagation graph network, outputting diagnostic results through mechanism constraint modeling; and linking SCADA data for collaborative fault early warning. This invention solves the technical problems of severe sound source aliasing, difficulty in accurately locating fault sound sources, and lack of fault propagation mechanism constraints in existing hydropower equipment fault diagnosis methods, leading to insufficient diagnostic accuracy and early warning reliability. It achieves the technical effect of high-precision fault spatial positioning, type identification, and risk level assessment through acoustic signature perception and mechanism fusion, thereby improving the operational safety and reliability of equipment.