6714 results about "Single chip" patented technology

The invention provides a valve actuator dispatching control method and system based on AI intelligence, and relates to the technical field of industrial automation control, and the method comprises the steps: collecting the running state parameters of a steam turbine in real time, determining the relation between the steam inlet amount and the valve opening degree under the current working condition to obtain a preliminary valve opening degree estimated value, and carrying out dynamic response compensation; the method comprises the following steps: carrying out comprehensive coupling analysis on a theoretical valve opening value and mechanical parameters such as response time, inertial parameters and an opening limit threshold value of a valve actuator, calculating a dynamic adjustment weight and carrying out boundary constraint processing to obtain a processed parameter, and calling a preset valve opening-silicon controlled trigger angle nonlinear mapping model in a single chip microcomputer based on the parameter; and calculating a final silicon controlled trigger angle by inquiring adjacent data points and a linear interpolation method. By fusing intelligent prediction, multi-dimensional adjustment and a closed-loop feedback mechanism, the valve control precision and response speed are improved, and efficient and intelligent operation of industrial automatic control is achieved.

The invention provides an SF6 digital density meter based on multi-parameter acquisition and automatic temperature compensation and a control method thereof, the SF6 digital density meter is provided with a density meter display, a detection docking port is arranged below the SF6 digital density meter, the digital density meter is internally provided with a multi-parameter acquisition module and a temperature and pressure arrangement module, and the multi-parameter acquisition module and the temperature and pressure arrangement module are connected with the SF6 digital density meter display. The multi-parameter acquisition module and the temperature and pressure arrangement module are electrically connected with the single-chip microcomputer. And a detection docking port of the SF6 digital density meter is directly and completely contacted with SF6 gas. High concentration of physical quantity acquisition components is realized, and the physical quantity acquisition components are directly and fully contacted with the SF6 gas in the gas chamber, so that accurate acquisition of physical quantities such as actual temperature, pressure and micro water of the SF6 gas for temperature compensation is ensured. Meanwhile, practical improvement is carried out on an existing disclosed SF6 density algorithm model, and an algorithm model with better convergence is obtained.

The invention relates to the technical field of TDLAS (Tunable Diode Laser Absorption Spectroscopy) gas monitoring, in particular to a methane and ethane dual-gas detection method based on an intermediate infrared laser. A DAC pin of a single-chip microcomputer is adopted to output sawtooth scanning signals modulated by superposition sine waves, by adjusting the amplitude of the sawtooth scanning signals, the wavelength of light emitted by a laser is controlled to be 3344.4 nm and 3345.8 nm, meanwhile, the positions of absorption peaks of ethane and methane are covered, simultaneous detection of methane and methane is achieved, and the detection precision is high. The methane scanning signal and the ethane scanning signal can be independently modulated by changing the amplitude of sine waves of different wave bands of the sawtooth scanning signal, so that the signal-to-noise ratio of single gas detection is increased, the sensitivity is higher, and the ppb level can be easily reached. According to the method, the single chip microcomputer is adopted to output scanning signals, sine waves with different modulation amplitudes can be output in a quick response mode, use is more flexible, cost reduction is facilitated, and the detection precision of single gas is greatly improved by independently modulating different gas scanning signals.

The utility model discloses an automatic vacuumizing device for a vacuumizing container, and relates to the technical field of vacuumizing containers. The device comprises an upper housing, a lower housing, a control panel mounted in the lower housing, and a vacuumizing pump, an electromagnetic valve and a battery which are connected with a singlechip on the control panel, the device consists of a lower housing with an inverted n-shaped section, an upper housing with an inverted U-shaped section, a vacuum pump, an electromagnetic valve and a battery, wherein the vacuum pump, the electromagnetic valve and the battery are arranged in the lower housing; the connecting ring with the scraping ring is attached to the flat notch in the top of the bottle body, so that the bottle body structure with the flat notch can be used after being tightly attached, and the bottle cover is suitable for being used in cooperation with the bottle body with the smaller size and the smaller upper opening hole diameter. And through clamping cooperation of the first clamping structures and the second clamping structures, the whole automatic vacuumizing device does not need to be locked and fixed through bolts, can be efficiently assembled and is good in stability.

The invention discloses a senile weakness and Parkinson's disease multi-dimensional evaluation system based on an intelligent single-chip microcomputer, and belongs to the technical field of disease evaluation. The senile weakness and Parkinson's disease multi-dimensional evaluation system comprises a data acquisition module used for acquiring patient multi-dimensional real-time data based on artificial intelligence; the data transmission module is used for uploading the multi-dimensional real-time data of the patient based on artificial intelligence to the multi-dimensional evaluation terminal; and the multi-dimensional evaluation terminal is used for processing, analyzing and evaluating the multi-dimensional real-time data of the patient based on artificial intelligence, and determining a multi-dimensional evaluation result of senile weakness and Parkinson's disease based on the intelligent single-chip microcomputer. The problems that real-time monitoring and multi-dimensional evaluation cannot be carried out on senile weakness and Parkinson's disease based on an intelligent single-chip microcomputer in the prior art, and disease deterioration cannot be effectively prevented are solved. Real-time monitoring and multi-dimensional evaluation can be performed on senile weakness and Parkinson's disease on the basis of the intelligent single chip microcomputer, the illness state of a patient can be mastered in time, the patient can be tracked and treated in time, disease progression is slowed down, and deterioration of the illness state can be effectively prevented.

The invention relates to the technical field of embedded data storage, and discloses a method and a system for prolonging the service life of a FLASH simulation EEPROM (Electrically Erasable Programmable Read-Only Memory) in a single chip microcomputer, and the method comprises the following steps: firstly, initializing the FLASH, dividing the FLASH into a main data area, a mapping table area, a backup area and a transaction log area, selecting a physical block through a dynamic wear leveling algorithm when data is written, and writing the data into a database; the method comprises the following steps of: starting a backup area or a transaction log area, safely updating a mapping table by using a transaction mechanism, performing cyclic redundancy check when reading data, if the cyclic redundancy check fails, starting cascade recovery from the backup area or the transaction log area, and finally, updating a transaction log to record operation so as to form a closed-loop management process. According to the invention, through a set of dynamic wear leveling and data classification management mechanism, global and uniform distribution of the write load in the storage array is realized, the physical block with the least erasing times is selected during writing, the access frequency of the data can be identified, and cold data which is not changed frequently can be actively migrated.

The wireless RF semiconductor system is described for use in wireless communication devices that operate in frequency range from 6 GHz to 100 GHz. The system comprises of at least one RF antenna and at least one active RF component fabricated (or built) on the same semiconductor substrate inside a one single packaged module. The wireless RF semiconductor system is described in a variety of different configurations with its functionality divided up over several single chip circuits. The system simplifies assembly, reduces size and cost, and allows for a quick time to market, while maximizing the RF performance demanded by fixed and mobile 4G, 5G and other wireless standards.

The invention discloses a wireless heart rate monitoring and short message alarm method based on an Arduino single-chip microcomputer, and particularly relates to the technical field of heart rate monitoring, which comprises the following steps: acquiring environment and user activity information through a multi-source sensor, acquiring a heart rate data priority according to an environment risk score and user activity intensity, and sending the heart rate data priority to the Arduino single-chip microcomputer; future environment and activity conditions are predicted based on the long short-term memory network, sampling frequency and transmission strategies are adjusted in advance, prospective intervention on potential risks is achieved, practicability, accuracy and reliability of the heart rate monitoring system are improved, and the heart rate monitoring system is suitable for wide health monitoring scenes; when the heart rate abnormity is compared with the threshold value, multi-level alarm is triggered, the high-frequency sampling energy consumption of the sensor can be reduced, the data transmission path is evaluated and optimized in combination with the network reliability, the abnormity detection precision and stability are remarkably improved, and the problems that the abnormity is difficult to recognize in time and the power consumption is too high in a single heart rate sensor in a complex environment are solved.

The invention provides a device and a method for on-line detection and precise regulation and control of the sowing depth and the sowing amount of a peanut precision seeder. An ultrasonic distance measuring sensor, an optical fiber counting sensor, a double-shaft tilt angle sensor, a linear displacement sensor, a photoelectric rotary encoder and the like are used for acquiring operation information such as the seeding depth, the seeding quantity, the seeding machine tilt angle, the expansion amount of an electric cylinder telescopic mechanism, the machine tool speed and the seeding frequency of a seeding machine in real time; through digital signal processing and conversion, STM32F103ZE single-chip microcomputer processing, control algorithm optimization, on-line detection of the seeding depth and the seeding condition of the seeder, real-time adjustment of the seeding depth and real-time reseeding, real-time accurate regulation and control of peanut seeding are realized, and it is ensured that peanut seeding meets the requirements for consistency of the seeding depth and the seeding distance; meanwhile, the whole sowing process is more automatic and efficient, manual intervention is not needed, manpower and material resources are saved, and good economic benefits are achieved.

The invention discloses a motor using a single sensor, an application and a high-precision rotating speed calculation method, the motor is provided with the single sensor, the rotating speed and the rotating direction of the motor are detected through the single sensor, and the sensor is a Hall sensor or an encoder; the motor is applied to a driving mechanism with a self-locking structure. The high-precision rotating speed calculation method comprises the following steps: step 1, obtaining the rotating direction of the motor according to the input voltage direction or the current direction of the motor, step 2, measuring to obtain the pulse number Np of a sensor, step 3, obtaining the estimated speed of the motor through the input voltage, the duty ratio, the current and the total resistance, and step 4, calculating the rotating speed of the motor according to the estimated speed. 4, obtaining an estimated pulse number according to the estimated speed, and 5, calculating the rotating speed of the motor according to the measured pulse number Np and the estimated pulse number. The method has the advantages that the motor cost can be reduced, the pin consumption of the single-chip microcomputer is reduced, and the measurement precision is high.

The invention provides a novel clock control method and system based on FPGA, and relates to the technical field of signal processing. The system provided by the invention comprises: a VCXO voltage-controlled crystal oscillator, a digital-to-analog converter, a PLL phase-locked loop module, a DDMTD measurement module and an adaptive clock control module. The phase-locked loop is implemented, a phase detection algorithm and a clock control algorithm are executed based on a single FPGA chip, and the hardware design complexity is low. The invention uses a digital dual-mixing time difference method (DDMTD) to measure and obtain a clock phase detection result, and cooperates with a dynamic PID clock control algorithm to quickly adjust the local clock frequency, so as to realize the fast tracking and locking of the frequency and phase between the local clock and the clock source. The dynamic PID clock control algorithm of the invention dynamically adjusts the parameter P of the PID algorithm in real time according to the state, the clock frequency deviation and the clock phase difference, so that the algorithm has the advantages of stronger locking ability, shorter convergence time and faster response.

The invention discloses a multi-chip stacked packaging structure and a manufacturing method, and the manufacturing method comprises the steps: designing a welding spot which is downwards connected to a lower-layer chip and a welding spot which is upwards connected to an upper-layer chip on a metal frame according to the connection demands of a wafer, placing the wafer in a welding pad on the standardized metal frame, and carrying out the die bonding treatment, bonding the pin interconnection point of the wafer with the welding point through a connecting line to obtain an electric connection module; carrying out injection molding packaging on the electric connection module, then carrying out cutting processing to form a plurality of single chips, and carrying out test processing on the single chips; and stacking the plurality of qualified single chips on the circuit board in the vertical direction, and packaging the stacked structure in the single packaging cavity to obtain the multi-chip stacked packaging structure. According to the invention, through vertical stacking and single packaging cavity packaging, high integration level and miniaturized packaging are realized, the excellent thermal conductivity of the metal frame enables the heat dissipation performance of the chip to be improved, and the service life of the chip is prolonged.

The invention provides a single-chip microcomputer upgrading method based on CAN communication, which is applied to an upgrading client and comprises the following steps: receiving upgrading parameters given by a calling party, the upgrading parameters comprising an upgrading mode, the type of to-be-upgraded equipment, the target equipment address of the to-be-upgraded equipment and the position of an upgrading file; the upgrading mode comprises on-demand upgrading and broadcast upgrading; wherein each single-chip microcomputer device on the CAN bus has a unique device address; obtaining the upgrade file from the location of the upgrade file; when the upgrading mode is on-demand upgrading, the on-demand upgrading is adopted according to the target equipment address, and the to-be-upgraded equipment is independently upgraded based on the upgrading file; and when the upgrading mode is broadcast upgrading, upgrading all the to-be-upgraded devices based on the upgrading file by adopting a broadcast upgrading method according to the target device address.

The invention relates to an aircraft skin thickness online laser measurement method and system. The method comprises the steps of S10, path planning; step S20, pre-scanning is carried out; step S30, generating a detection template; step S40, performing measurement; step S50, data processing; step S60, generating a report; the system comprises a data acquisition terminal and data acquisition and quality analysis software, the data acquisition terminal comprises a main shaft, a lithium battery, a control panel and a laser displacement sensor; the data acquisition and quality analysis software comprises a single chip microcomputer fixing program, a model management program and an automatic detection program; according to the invention, the nondestructive detection of the thickness of the whole skin can be rapidly and automatically completed at one time, and the method has the advantages of high detection precision, high detection efficiency, wide universality, traceable detection data, simultaneous processing and detection, portability and the like, meets the accurate, efficient and comprehensive measurement application requirements of the thickness of the aircraft skin, and improves the production efficiency for enterprises.

The invention discloses a high-voltage cable outer metal sheath grounding defect on-line monitoring method and monitoring system, which can work under the condition that a cable is not powered off, realizes on-line monitoring, and realizes on-line monitoring through the cooperation of a current sensor, a voltage sensor, a single-chip microcomputer and an upper computer. And the equipment can quickly detect when a fault occurs and is convenient for maintenance workers to timely eliminate obstacles, so that the risk of major electric power accidents is reduced. The algorithm is similar to an improved neural network algorithm and is used for diagnosing the defects of the outer metal sheath of the cable, the weight is obtained through training learning, and finally the defects of the outer metal sheath of the high-voltage cable are determined. The protection content covers each component of the technical scheme, and comprises a monitoring method, a device structure, a sensor technology, a data processing algorithm, a neural network learning algorithm and the like.

Disclosed is a new type of multifunctional electric suction cup, comprising a base, a shell, a bracket, a protective case, a display screen, a charging port, an extension switch interface, and a debugging button, wherein the upper surface of the base is provided with a shell, a bracket, and a protective case that are fixedly connected; the protective case is provided with a switch, and the top of the shell is provided with an external outlet connected to the atmosphere; the upper surface of the base is provided with a single-chip microcomputer, a power assembly, a battery pack, a display screen, a charging port, an extension switch interface, and a debugging button; the bottom of the base is provided with an air intake, and the air inlet of the power assembly is connected to the air intake through a conduit.

The invention relates to the technical field of industrial quality inspection, and provides a chip defect detection method and equipment, which are used for improving the accuracy and efficiency of LED chip defect detection. According to the method, local wafer images are respectively collected from different visual angles under a plurality of light sources, multi-light-source images corresponding to a single visual angle are spliced, and then two-stage defect detection is carried out based on the multi-light-source spliced images. And the detail information of the LED chip of the local wafer image is richer than that of the complete wafer image, so that the accuracy of defect detection can be improved, meanwhile, in the first stage of two-stage absent detection, the coarse detection and positioning of a single chip are realized by classifying the multi-light-source spliced image, and the defect detection accuracy is improved. In the second stage, defect detection is carried out on part of single chip images based on rough detection and positioning results in the first stage, and compared with defect detection carried out on single chip images of all LED chips, the detection efficiency is effectively improved.

The present application relates to the field of solution measurement, in particular to an electrode conductivity sensor conductivity measurement circuit and method, first, the AC excitation generation module generates an amplitude and frequency adjustable AC sine excitation signal under the control of the single-chip microcomputer; then the AC sine excitation signal passes through the precision resistor R0 and the conductivity cell of the electrode sensor to the system ground in turn; then the differential amplification circuit differentially amplifies the voltage between the precision resistor R0 and the electrode sheet of the conductivity cell; the amplified voltage signal is collected by the ADC, and then the voltage data is transmitted to the single-chip microcomputer; finally, the single-chip microcomputer can obtain the conductivity of the solution after the collected voltage data is operated. The present application directly collects the peak and valley voltage values of the AC signal, subtracts to obtain the amplitude of the AC signal, and does not need a rectification filter circuit to detect the amplitude of the AC signal, which can quickly respond to the change of the solution conductivity, eliminates the influence of common-mode interference factors, and simplifies the circuit design.

The invention provides a circuit board automatic detection device based on AOI visual inspection, and relates to the technical field of circuit board welding quality visual identification automatic detection. Comprising a protective shell, feeding ports are formed in the two sides of the protective shell, a set of symmetrically-arranged clamping plates are arranged in the feeding ports of the protective shell, a mounting frame is arranged in the protective shell, a control box is arranged at the bottom of the mounting frame, and a single-chip microcomputer controller is arranged in the control box; and a detection sliding rail is fixedly connected to the top of the mounting frame, a visual camera is slidably connected to the detection sliding rail, and the visual camera is located above the two clamping plates. By arranging the cleaning assembly and the auxiliary assembly, when the circuit board is detected, not only can the surface of the circuit board be cleaned, but also multi-angle light source irradiation can be provided, and distinguishing of defective places on the circuit board is facilitated.

The utility model provides a chip rapid testing device, which comprises a chip testing module, a charging tray, a charging tray moving mechanism and a chip grabbing module, and is characterized in that the chip testing module comprises a testing jig and a pressing mechanism, the testing jig is used for placing and testing chips, the pressing mechanism is used for pressing the chips, and the charging tray is used for accommodating a plurality of chips; the tray moving mechanism is used for synchronously moving the test fixture and the tray in a first direction, and the chip grabbing module is used for enabling the chip to move between the tray and the test fixture. According to the chip rapid testing device provided by the utility model, the charging tray and the testing jig can be moved at the same time through the charging tray moving mechanism, the charging tray is always kept at a position adjacent to the testing jig, and the distance between the charging tray and the testing jig is relatively short, so that the testing period of a single chip is relatively short, the chip testing time is relatively short, and the chip testing efficiency is relatively high. In addition, the chip rapid testing device can be compatible with a manual testing jig, and the chip testing module can adopt an original manual testing jig.

The invention belongs to the technical field of equipment fault early warning, and particularly relates to an electric winch motor abnormity early warning system and early warning method. An electric winch motor abnormity early warning system comprises an on-site monitoring control module, a monitoring center and a management personnel terminal, the on-site monitoring control module comprises an equipment monitoring module, a control module, a single-chip microcomputer module and an Internet of Things module, the equipment monitoring module is electrically connected with the single-chip microcomputer module, the single-chip microcomputer module is electrically connected with the Internet of Things module, and the control module is electrically connected with the management personnel terminal. The Internet of Things module is in wireless connection with the monitoring center, and the monitoring center is used for analyzing monitoring data of the equipment monitoring module, sending a control signal to the control module and sending equipment maintenance information to the management personnel terminal. Parameters such as current, voltage and temperature of the motor during working of the winch are monitored in real time, the working state of the motor of the winch is analyzed by adopting a machine learning algorithm, early warning is performed on possible abnormal states, operation of the motor is controlled through the control module, and risk accidents are prevented.

The invention discloses a residual capacity balance control method and system for an aged lithium battery, and relates to the technical field of new energy materials and devices, and the method comprises the steps: inputting quantum magnetic field response data and infrasonic wave signals into a single-chip microcomputer, carrying out the wavelet noise reduction and histogram equalization processing based on an STM32 single-chip microcomputer, and generating an acoustic-magnetic coupling feature matrix; inputting a dynamic pheromone equalization model based on the acoustic-magnetic coupling characteristic matrix, calculating a capacity difference coupling coefficient between the battery packs through an ant colony optimization algorithm, and generating a capacity redistribution path topological graph; according to the capacity redistribution path topological graph, the energy transfer direction is controlled through a bidirectional Buck-Boost circuit, and an equalizing current threshold value is dynamically adjusted based on the quantum spin resonance magnetic field gradient; according to the invention, the quantum magnetic field response data of the aged lithium battery pack and the infrasonic wave signal generated by electrolyte decomposition are collected, so that the physical and chemical states in the battery are accurately monitored.

The invention relates to a continuous ink-jet printing head for high-speed spraying, and solves the problems that an existing ink-jet printing head is small in single-time ink outlet amount, unstable in ink outlet amount and not suitable for being applied to large-scale dyeing. The device comprises a substrate, at least one chip is arranged on the surface of the substrate, the single chip is of an integral structure, a plurality of spray holes are formed in the surface of the chip, at least one pressure cavity is formed in the back face of the chip, and the spray holes are communicated with the at least one pressure cavity; the substrate is of an integral structure, a flow channel is formed in the substrate, an ink inlet is formed in the back face or the side face of the substrate, the flow channel is communicated with the ink inlet, and the flow channel is communicated with the pressure cavity; the spraying holes are uniformly formed in the first direction, and the minimum interval is P; the diameter of the spray hole is D and meets D2 / Pgt; and 3.0 microns. Compared with a traditional printing and dyeing method, the method has the advantages that a large amount of water resources are saved, wastewater discharge is reduced, energy consumption is greatly reduced, and the method is energy-saving, environment-friendly, green and low-carbon.

The invention provides an automatic testing device for an electrical interface of hardware equipment, which comprises a core control unit, an AT32F415CBT7 single chip microcomputer, an RS232 serial port testing interface and an RS485 serial port testing interface, the test unit comprises eight paths of optical coupling isolation switching value input / output interfaces, a test module power supply input interface, a 24V power supply input interface of equipment to be tested, a state indication LED module and a vacancy detection module which are respectively used for host communication and equipment test, and a travel switch is adopted to detect the occupation state of the test unit, wherein the 24V power supply input interface of the equipment to be tested is powered by an ejector pin. According to the invention, the efficiency and accuracy of hardware equipment interface function testing can be improved, the labor cost is reduced, and batch detection requirements are met.

The invention relates to the technical field of semiconductor detection, and provides a detection method. The detection method comprises the following steps: moving a laser displacement sensor to enable the laser displacement sensor to sequentially pass through each pit on a tray station; acquiring a reference height Zpj of the chip in the reference pit in a normal state, or acquiring a chip height Zic of a single chip and a pit height Zl of the pit; acquiring a detection height corresponding to the chip in the actual pit, and recording the detection height as an actual chip height Zp; obtaining a chip existence parameter Zyw according to the actual chip height Zp and the reference height Zpj, or obtaining a chip existence parameter Zyw according to the actual chip height Zp, the chip height Zic and the pit height Zl; and comparing the chip existence parameter Zyw with a preset threshold value to judge the state of the chip in the actual pit. The detection method provided by the invention is used for detecting the state of the chip in the carrier disc, the detection efficiency is effectively improved on the basis of meeting chip detection at different stations, and the universality is wider.

The invention relates to a method for monitoring jamming or synchronism of a main engine brake of a vertical elevator, and aims to monitor and diagnose the jamming or synchronism state of the elevator brake in real time through the combination of an acceleration sensor and an electromagnetic signal. The method comprises the steps that acceleration sensors are installed on the two brake component sides of the elevator brake, vibration acceleration signals of the two brake components are collected, or the response time difference between the action vibration acceleration signals and voltage signals of the brakes on the two sides is calculated through time sequence analysis through a vibration switch with an adjustable threshold value and by means of the single-chip microcomputer technology; and the action response time difference of different brake components is determined. If the time difference exceeds the preset threshold value, it is judged that the brake is jammed or has an asynchronous fault. And finally, according to a conjoint analysis result of the vibration acceleration signal and the voltage signal, accurate diagnosis and real-time early warning of brake jamming or synchronization faults are provided. According to the method, the detection precision and response speed of elevator brake jamming or asynchronous faults can be improved, and reliable guarantee is provided for safe operation of an elevator.

The invention discloses an automatic oil sampling device which comprises a sampling mechanism, a distance measuring mechanism and a lifting mechanism, the sampling mechanism comprises a sampling bottle, an upper end cover and a lower end cover, the upper end cover and the lower end cover are in threaded connection with the sampling bottle, a hanging ring is arranged at the top of the upper end cover, a pipeline and an electromagnetic valve are arranged on the lower end cover, and the pipeline is communicated with the sampling bottle; the distance measuring mechanism comprises an ultrasonic distance measuring sensor, an alarm and a single-chip microcomputer, the ultrasonic distance measuring sensor is arranged at the bottom of the lower end cover and electrically connected with the single-chip microcomputer, the lifting mechanism comprises a driving part, a support, a winding drum and a lifting rope, and the winding drum is arranged at the top of the support and connected with the support in a pivoted mode. The lifting rope and the cable are wound on the winding drum to descend or ascend along with rotation of the winding drum. The driving piece is in transmission connection with the winding drum. The automatic oil sampling device provided by the invention has the advantages that the sampling is accurate and quick, and the sample is not easy to pollute.

The invention belongs to the technical field of single-chip microcomputers, and particularly relates to a remote monitoring system based on a single-chip microcomputer and a control method thereof. The system comprises a single-chip microcomputer, a sensor acquisition unit, a wireless communication unit and an execution mechanism. When a single-chip microcomputer, a sensor acquisition unit and a system are initialized, a wireless communication unit and an execution mechanism are sequentially powered on, after the single-chip microcomputer completes hardware self-inspection, a handshake instruction is sent to the wireless communication unit, a secure channel with a remote control terminal is established, and after handshake is completed, the single-chip microcomputer writes in a unique identity identification code and enters a standby state; the single-chip microcomputer polls the sensor acquisition unit according to a preset sampling period to obtain an original data frame; the remote control terminal analyzes the error correction compressed data block, generates a control instruction according to a threshold strategy and returns the control instruction; the single-chip microcomputer receives the control instruction, then drives the execution mechanism to act, and records an execution state log. The method has the advantages of being high in communication efficiency, high in link fault-tolerant capability and fast in remote control response.

The utility model discloses surface treatment equipment for cold rolling of an aluminum plate strip. The surface treatment equipment comprises a machine shell and a feeding mechanism. A first electric push rod and a second electric push rod are arranged in the middle of the top wall of the machine shell, the first electric push rod is located at the front end of the second electric push rod, a sweeping mechanism is arranged on the lower side of the telescopic end of the first electric push rod, and a cleaning mechanism is arranged on the lower side of the telescopic end of the second electric push rod. A scraper III is arranged in the middle of the upper side surface of the support plate; the feeding mechanism is arranged between the left wall and the right wall of the machine shell; according to the surface treatment equipment for aluminum plate strip cold rolling, the dip angle of the scraper can be adjusted according to aluminum plates of different thicknesses when cold rolling oil is scraped off from the aluminum plates, the effect of scraping off the cold rolling oil on the aluminum plates through the scraper is high, and the cold rolling oil accumulated on the front side of the scraper of the aluminum plates can be cleared away in time; and a good working environment is provided for subsequent surface treatment for cold rolling of the aluminum plate strip.

The embodiment of the invention provides a wafer-level chip segmentation method, and relates to the technical field of silicon optical wafer-level chips. The wafer level chip method comprises: providing a wafer (101); coating photoresist (103) on the pattern surface of the wafer (101), exposing a cutting channel (102) for chip separation by means of exposure and development, and protecting pattern layers of other areas by the photoresist (103); etching the cutting channel (102) to a set depth by using a dry method or a wet method, the set depth being smaller than the final chip thickness; and covering the back surface of the wafer (101) with an expandable film (105), and performing laser stealth dicing on the wafer (101) to obtain a plurality of single chips. And damage such as edge breakage and breakage is not prone to occurring during cutting, the formed side face is smooth in appearance, and finally the high yield is obtained.