32results about How to "With automatic calibration function" patented technology

The invention discloses screen beneath camera attaching and assembling equipment. Mobile phone screen feeding equipment, a mobile phone screen taking mechanical arm, an optical cement full-automatic attaching structure, a camera and mobile phone screen attaching device, a detection device and a full-automatic feeding and discharging machine are included. The mobile phone screen taking mechanical arm is used for taking out a mobile phone screen and conveying the mobile phone screen to a clean film tearing area. After the mobile phone screen is subjected to clean film tearing in the clean film tearing area, the mobile phone screen is conveyed into an ultrasonic cleaning area through the mechanical arm. The optical cement full-automatic attaching structure is used for assembling OCA optical cement and a camera. The camera and mobile phone screen attaching device is used for gluing fixing of the camera and the mobile phone screen. The detection device detects whether an assembled mobile phone screen assembly is qualified or not. The full-automatic feeding and discharging machine is used for discharging the mobile phone screen assembly and conducting disk filling. According to the screen beneath camera attaching and assembling equipment, assembling is finished at a time, secondary pollution is reduced, vision alignment is achieved, product precision and consistency are greatly improved, time is saved, the capacity is stably increased, automatic production is achieved, and the production requirements are met.

The invention discloses an intelligent water quality monitor combining an ultraviolet method and a fluorescence method and a usage method thereof, and belongs to the field of environment monitoring and water treatment. The intelligent water quality monitor comprises an optical path part, a detection part and a calibration part, and a constant current source circuit is connected with a deep-ultraviolet LED circuit; a linear stepping motor is provided with a drive rod, the drive rod is provided with a fixing frame, and two fluorescence filters are arranged in the fixing frame; the constant current source circuit, the linear stepping motor and an amplifying circuit are all connected with a micro processor, a processed signal is transmitted to a memorizer, a liquid crystal display and a ZIGBEE module by the micro processor, and the ZIGBEE module is connected with an upper computer PC; a pipeline, communicated with a cuvette, of a calibration pool is provided with a minitype electromagnetic valve II, the minitype electromagnetic valve II and a minitype electromagnetic valve III are both connected with the micro processor, and the lower side of the calibration pool is provided with the minitype electromagnetic valve III. According to the intelligent water quality monitor, on-line monitoring on protein and humic substances in water can be achieved.

The invention provides a chronometer time automatic measurement circuit based on TDC-GP 21 and a method, and solves the problems that due to adopting a double-bevel interpolation technology to measure a chronometer time interval in the prior art, the space is large, the cost is high, the power consumption is large, and a measuring result has a zero-point error and a non-linearity error. The chronometer time automatic measurement circuit based on the TDC-GP 21 comprises a first trigger, a delayer, a second trigger, a multiplexer, a third trigger, a fourth trigger, a TDC-GP 21 chip and an FPGA (field programmable gate array) chip. The chronometer time automatic measurement circuit based on the TDC-GP 21 provided by the invention has the advantages that the structure is simple, the cost is low, the power consumption is small, the measuring accuracy is high, the linearity is good, and the measured time accuracy can achieve 45 ps; and the chronometer time automatic measurement circuit has an automatic calibration function and can automatically compensate errors caused by the variation of voltage and temperature, the measuring speed is rapid, and the replacement rate of a waveform of a digital type wavetable is observably improved.

The invention relates to a radar system, specifically to a three-coordinate low-altitude small target radar. The three-coordinate low-altitude small target radar comprises an antenna feeder subsystem, a receiving subsystem, a signal processing subsystem, a wave beam control subsystem, a rotary table servo subsystem, a terminal subsystem and a power supply subsystem, a four-channel T / R module adopts a distributed T / R component, and the component adopts highly integrated design and has the advantages of light weight, small size, good consistency, excellent technical indexes and the like. The three-coordinate low-altitude small target radar provided by the invention can realize search and tracking of an aerodynamic target such as a small airplane, a paraglider and an unmanned aerial vehicle in a low-altitude airspace in a range with a central radius of 45km, precisely monitor the target in the low-altitude area which is low in height, slow in speed and small in size, display and output distance, direction, speed and height information of the flight target, and form a three-coordinate motion situation of the low-altitude target.

The invention discloses a data acquisition abnormity call supplementing method based on the Internet of Things. The data acquisition abnormity call supplementing method comprises the following steps:S1, judging the integrity of received data by a platform; S2, analyzing whether the incomplete data meets a call supplementing condition or not, and entering a call supplementing process if the incomplete data meets the call supplementing condition; According to the method, through the complementary recruiting strategy of the concentrator memory and the platform historical database, the problem that due to limitation of the concentrator memory capacity, recruiting data are incomplete, and consequently the accuracy of the power utilization safety analysis model is affected is solved. The methodhas the advantages that the data loss reason is judged, and the practicability of electric power safety system analysis modeling is improved; The system has the functions of judging the accuracy of the supplementary calling data and automatically calibrating the time, the accuracy of modeling analysis of the power utilization safety system is improved, and misjudgment of an electrical fire monitoring system and false processing of operation and maintenance personnel are avoided.

The invention discloses a laser positioning system which includes a control module used for controlling the operation of other modules, a laser positioning module used for positioning a target, an operation module used for data input, a wireless transceiver module used for being connected with other remote terminals, a data storage module used for storing collected and processed data, a positioning execution module used for issuing an executing instruction according to a positioned target, a motor driving module used for receiving the instruction issued by the positioning execution module andconverting the instruction into an actual action, and a position feedback module used for making signal feedback for a changed position. The invention further presents a positioning method of the laser positioning system, which includes the following steps: S1, starting a laser positioning module; S2, starting a positioning execution module; S3, positioning; and S4, calibration. The laser positioning system of the invention has high work efficiency and high positioning accuracy, has a self-calibration function, is quick in laser output, and is suitable for popularization.

The embodiment of the invention discloses a method for detecting a tipping paper splicing section of a cigarette making and plug assembling machine, an ultrasonic detector and the cigarette making and plug assembling machine. The method comprises the following steps: transmitting incident ultrasonic waves in preset energy to tipping paper by the ultrasonic detector through a transmitting end when the tipping paper passes through a cigarette replacement splicing support, wherein the incident ultrasonic waves penetrate through transmitting ultrasonic waves behind the tipping paper to come into a receiving end of the ultrasonic detector; converting the received transmitting ultrasonic wave energy into a corresponding electric quantity value by the ultrasonic detector through the receiving end, and comparing whether the converted electric quantity value is less than a preset electric quantity value; if the converted electric quantity value is less than the preset electric quantity value, judging that the tipping paper contains a splicing section through the receiving end of the ultrasonic detector, and transmitting a high level signal to a controller by the ultrasonic detector through an output end; and if the converted electric quantity value is equal to the preset electric quantity value, judging that the tipping paper does not contain the splicing section by the receiving end of the ultrasonic detector. According to the embodiment of the invention, the accuracy of the detection result of the tipping paper splicing section can be improved.

The invention belongs to the technical field of signal processing, and relates to a digital oscilloscope multi-channel cross sampling circuit and a calibration method thereof. A digital oscilloscope multi-channel ADC cross sampling circuit with an automatic calibration function is mainly composed of a calibration signal generation module, a clock generation and synchronization module, an acquisition module and a digital signal processing module. Through cross sampling of multi-channel ADCs, the sampling rate is improved, automatic calibration of gains, offsets and phases of the multi-channel ADCs is supported at the same time, and particularly when the environment temperature changes, the circuit has a temperature recognition function, temperature changes can be recognized, automatic calibration is achieved again, and therefore the correctness of sampling waveforms is guaranteed.

Embodiments of the invention disclose a control circuit and a working method thereof. The control circuit comprises a potentiometer, a control unit, a pull-up resistor, and a pull-down resistor. A first fixing end of the potentiometer is connected with the pull-up resistor. A second fixing end of the potentiometer is connected with the pull-down resistor. A sliding end of the potentiometer is connected with the control unit. The control unit is used to obtain voltage value range of the potentiometer in an operating state, and according to preset gear shifts, determining a voltage stepping value corresponding to each gear in the voltage value range. The voltage stepping value corresponding to each gear is used for gear shifting control.

The invention discloses a volatile organic compound online monitoring system, which comprises a VOCs (volatile organic compounds) monitoring subsystem and a data acquisition and processing subsystem,wherein the VOCs monitoring subsystem comprises a sampling preprocessing system and an electronic control unit, and the sampling preprocessing system comprises a sampling preprocessing unit and a VOCsanalyzer; the data acquisition and processing subsystem comprises a junction box, an industrial personal computer and a system, and the system comprises a data display unit, a data printing unit, a data storage unit, a data remote transmission unit, and an intranet; the data remote transmission unit and the intranet are electrically connected with an environment-friendly monitoring information platform. The invention relates to the technical field of volatile organic compound online monitoring. The pretreatment method complies with the US, EU and domestic fixed pollution source exhaust gas measurement standards. The method has high reliability and the system adopts a total heat method to ensure the accuracy and reliability of monitoring data. The instrument sampling response speed is fast, the automatic calibration function is provided, the whole calibration is supported, and people are not needed to be on duty.

The invention discloses a vehicle-mounted metal detection device based on automatic direction calibration. The vehicle-mounted metal detection device comprises a metal detection module, a shooting collection module, an image generation module, an image analysis module, a central processor, a motor driving module, a motor and a display module arranged on a vehicle, wherein the shooting collection module is arranged in the bottom of the vehicle; the metal detection module detects whether there are metal objects, which obtain electric signals, in the road by which the vehicle passes; the image analysis module analyzes images, determines the position of road occupied images, and determines whether the driving direction is deviated; the central processor generates a motor compensation control signal according to a determination result of the image analysis module; and according to the motor compensation control signal, the motor driving module drives the motor to control rotation of left or right wheels so that the vehicle drives linearly along the road. The vehicle-mounted metal detection device is capable of automatic calibration, is high in automatic degree, and improves the metal detection function.

The invention provides a mechanical electronic airspeed indicator for a flight simulator, and belongs to the field of aircraft instruments. The mechanical electronic airspeed indicator comprises a calibration circuit board connected with a motor, a motor transfer sleeve is connected with a calibration disc, a photoelectric sensor is arranged on the calibration disc, a pointer mounting shaft is fixedly connected with the motor transfer sleeve, a dial plate is embedded into an inner groove of a connecting plate according to a positioning position, the connecting plate is connected with the calibration circuit board through a copper column and is fixed through a fastener, and a driving main board is connected with a rear cover. The rear cover is fixedly connected with a shell, the connectingplate is fixedly connected with the shell, the pointer is connected with a pointer mounting shaft through a rivet, and a gauge head, a lens and a lens pressing ring are sequentially connected and thenconnected with the connecting plate. The indicator is mainly characterized in that the flight speed of a real aircraft is simulated, the indicator is applied to flight experience and training of a flight simulator, an automatic calibration function is achieved, and accurate data is provided for the flight simulator. The method is mainly used for the instrument training of a simulation flight trainer.

The invention provides a wireless transmission type digital oscillograph device. The device comprises a frequency meter module, a multimeter module, an oscillograph module, an embedded CPU module and a wireless transmission module; a radio frequency front end circuit comprises a voltage doubling circuit, a voltage stabilizing circuit, a restoring circuit, a clock circuit, a modulating circuit and a demodulating circuit; the radio frequency front end circuit is used for generating power, clock, data and restoring signals for a digital baseband circuit; the digital baseband circuit comprises a data synchronizing module, a data decoding module, a main control module, a data storing module, a data decoding module and a clock generating module; the digital baseband circuit is used for performing instruction analysis for the demodulated data, encoding the data according to the instruction, and modulating an antenna; data signals to be sent are sent through the modulating circuit of the radio frequency front end circuit by the digital basement circuit. According to the wireless transmission type digital oscillograph device, the radio frequency signals are coupled through a magnetic field or transmitted through electromagnetic wave, so as to achieve noncontact information transmission; the frequency reaches the microwave band, so that the interference resistance is improved, and the transmission distance is increased.

The invention provides a fly ash carbon content rapid measurement device with an automatic calibration function. The device comprises a sampling unit, a microwave measuring unit, a feeding unit, an ash sample conveying unit, a powder returning unit, a burning fly ash measuring instrument and a program controller. The microwave measuring unit comprises a microwave measuring pipe, an ash level sensor, a microwave resonant cavity and a microwave sweep frequency measuring instrument. The feeding unit comprises a motor feeder and an ash sample discharging pipe, the ash sample conveying unit comprises a discharging ash storage pipe, a middle ash storage chamber and a sample adding pipe, and the powder returning unit comprises an ash discharging electromagnetic valve, a jet flow air extractor, ajet flow electromagnetic valve and a powder returning opening. The device is simple in structure, convenient to use and high and accurate in measurement precision, meanwhile, residual fly ash is returned to the flue, the field environment is prevented from being polluted, and the device can be suitable for non-flue sampling measurement of the carbon content of the fly ash. The invention further provides a fly ash carbon content rapid measurement method with an automatic calibration function, and rapid and accurate measurement of the fly ash carbon content is achieved through combination of microwave measurement and firing measurement and data correction.

The invention discloses an intelligent water quality monitor combined with an ultraviolet method and a fluorescence method and a using method thereof, belonging to the fields of environmental monitoring and water treatment. It includes the optical path part, the detection part, and the calibration part, in which the constant current source circuit is connected with the deep ultraviolet LED circuit; the linear stepping motor is provided with a transmission rod and a fixed frame is provided on the transmission rod, and there are two fixed frames in the fixed frame. Fluorescent filter; constant current source circuit, linear stepper motor and amplifier circuit are all connected with the microprocessor, and the microprocessor sends the processed signal to the memory, liquid crystal display and ZIGBEE module respectively, and the ZIGBEE module and the upper The connection between the calibration pool and the cuvette is provided with a miniature solenoid valve II, the miniature solenoid valve II and the miniature solenoid valve III are connected to the microprocessor, and a miniature solenoid valve III is provided on the lower side of the calibration pool. It can realize online monitoring of proteins and humus substances in water.

The invention discloses a debugging diagnosis system for a radar liquid level meter, which comprises a debugging diagnosis terminal system, a manual and automatic control system, a radar wave reflecting plate and a reflecting plate executing mechanism, wherein the radar wave reflecting plate is mounted on a guide rail; the debugging diagnosis terminal system comprises a debugging diagnosis terminal and a radar liquid level meter, the debugging diagnosis terminal is connected with the radar liquid level meter through a communication cable and a power supply and signal cable, and the radar liquid level meter is installed on the guide rail; the manual and automatic control system comprises an automatic control button, a manual control button, a test starting button, an automatic controller, amanual adjusting button and a manual and automatic switching output, the test starting button is connected with the automatic controller, the automatic controller, the manual adjusting button, the automatic control button and the manual control button are connected with the manual and automatic switching output, the automatic switching output is connected with the reflecting plate executing mechanism, and the reflecting plate executing mechanism is connected with the radar wave reflecting plate 1; and the radar wave reflecting plate is installed on the guide rail.

The present invention discloses a device and a method suitable for rapid detection of position information of a high-speed moving vehicle. The device comprises a ground sensing coil, an oscillating circuit, an oscillating signal shaping circuit, a single chip microcomputer and peripheral circuit and an output signal control circuit. The ground sensing coil is connected with the oscillating circuit, the oscillating signal shaping circuit is configured to convert pulse signals output by the oscillating circuit to TTL level signals and feed the TTL level signals into an input capture function pinof the single chip microcomputer, the single chip microcomputer and peripheral circuit comprises a crystal oscillation circuit, a clock circuit and an automatic reset circuit which are required by work of the single chip microcomputer, and the output signal control circuit is connected with the output pin of the single chip microcomputer to output vehicle in-place information outwards. The deviceand the method suitable for rapid detection of position information of the high-speed moving vehicle take the single chip microcomputer as a core, a timing module of the single chip microcomputer anda mode of increasing the number of pulses are employed to improve the detection precision and speed of vehicle position information and perform discrimination of abnormal pulse signals in real time so as to improve the detection precision and ensure the system work reliability through software and hardware automatic reset functions.

The present invention discloses a device and a method suitable for rapid detection of position information of a high-speed moving vehicle. The device comprises a ground sensing coil, an oscillating circuit, an oscillating signal shaping circuit, a single chip microcomputer and peripheral circuit and an output signal control circuit. The ground sensing coil is connected with the oscillating circuit, the oscillating signal shaping circuit is configured to convert pulse signals output by the oscillating circuit to TTL level signals and feed the TTL level signals into an input capture function pinof the single chip microcomputer, the single chip microcomputer and peripheral circuit comprises a crystal oscillation circuit, a clock circuit and an automatic reset circuit which are required by work of the single chip microcomputer, and the output signal control circuit is connected with the output pin of the single chip microcomputer to output vehicle in-place information outwards. The deviceand the method suitable for rapid detection of position information of the high-speed moving vehicle take the single chip microcomputer as a core, a timing module of the single chip microcomputer anda mode of increasing the number of pulses are employed to improve the detection precision and speed of vehicle position information and perform discrimination of abnormal pulse signals in real time so as to improve the detection precision and ensure the system work reliability through software and hardware automatic reset functions.

The invention relates to a radar system, specifically to a three-coordinate low-altitude small target radar. The three-coordinate low-altitude small target radar comprises an antenna feeder subsystem, a receiving subsystem, a signal processing subsystem, a wave beam control subsystem, a rotary table servo subsystem, a terminal subsystem and a power supply subsystem, a four-channel T / R module adopts a distributed T / R component, and the component adopts highly integrated design and has the advantages of light weight, small size, good consistency, excellent technical indexes and the like. The three-coordinate low-altitude small target radar provided by the invention can realize search and tracking of an aerodynamic target such as a small airplane, a paraglider and an unmanned aerial vehicle in a low-altitude airspace in a range with a central radius of 45km, precisely monitor the target in the low-altitude area which is low in height, slow in speed and small in size, display and output distance, direction, speed and height information of the flight target, and form a three-coordinate motion situation of the low-altitude target.

The invention provides a mechanical electronic attitude instrument for a flight simulator, and belongs to the field of aircraft instruments. The mainboard is connected with the second stepping motor through a second copper column, the miniature through hole slip ring is connected with the shell connecting piece, the calibration disc is connected with the second stepping motor, the mainboard is connected with the shell connecting piece through a second copper column, and the calibration circuit board is fixed to the second copper column through a fastener. The installation plate and the third dial plate installation plate are fixedly installed on the slip ring lengthening handle, the first stepping motor is fixedly connected with the slip ring lengthening handle, and the first copper columns are installed on the third dial plate installation plate and the installation plate respectively. The method is mainly characterized in that the flight speed of a real aircraft is simulated, the method is applied to flight experience and training of a flight simulator, an automatic calibration function is achieved, and accurate data is provided for the flight simulator. The instrument is mainlyused for instrument parts of flight trainers.

The invention relates to the technical field of double-component dispensing, in particular to a control method of a double-liquid dispensing automatic calibration system. The control method comprises the following steps: detecting a stroke difference; detecting whether a push rod of the cylinder A reaches a calibration flag position; after the push rod of the cylinder A reaches the calibration flag position, the relative position quantity of the push rod of the cylinder A and the relative position quantity of the push rod of the cylinder B are obtained; calculating the current output glue weight m; according to the position difference between the A cylinder push rod and the B cylinder push rod, the rotating speed of the A motor is adjusted; setting an adjustment coefficient K; adjusting the rotating speeds of the motor A and the motor B, the rotating speed final correction value of the motor A and the rotating speed final correction value of the motor B in equal proportion; the liquid level of a glue cylinder A and the liquid level of a glue cylinder B are monitored in real time, the consistency of the glue discharging proportion is guaranteed, the automatic calibration function is achieved, flow limitation is avoided, and the calibration requirement of high-precision micro glue dispensing can be met.

The invention discloses a clock capable of indicating the time of other time zones. A movement of the clock adopts a low-frequency time-code time service clock movement or a navigation satellite time service clock movement; the clock can indicate the time of other time zones besides the use location. The clock is characterized in that a pointer and the movement of the clock adopt a special assembly mode, when the movement of the clock is reset, namely, each gear of the movement returns back to the initial position, a second hand points to the right upside namely the 00 second, a hour hand and a minute hand are positioned at specific positions instead of pointing to the right upside, wherein the specific positions are the mounting positions, respectively determined by the hour number and minute number of a remainder resolved when the use location is in the GMT+8 according to a calculation formula [(pointed time zone time GMT (Greenwich mean time) +x)-(Beijing time GMT+8:00)+24:00]% (12 hours), of the hour hand and the minute hand. A plurality of clocks manufactured according to the invention can be used in group for indicating the time of different time zones in the world and are always synchronous.

The invention provides a liquid crystal type electronic altimeter for a flight simulator, and belongs to the field of aircraft instruments. The electronic altimeter comprises an encoder fixed plate which is connected with an encoder; a knob is connected with the encoder, a lens is embedded into a gauge outfit groove and pressed by a lens pressing ring, a shell connecting block is fixedly connectedwith a connecting plate, and a second copper column is fixedly connected with the connecting plate. The data main board and the core board are fastened and installed between the connecting board andthe acquisition main board through first copper columns, the liquid crystal screen is fixedly connected between the connecting board and the meter head through a fastener, and the shell is fixedly connected with the shell connecting block. The electronic altimeter is mainly characterized in that the flight speed of a real aircraft is simulated, the method is applied to flight experience and training of a flight simulator, an automatic calibration function is achieved, and accurate data is provided for the flight simulator. Therefore, the electronic product can be applied to a flight training simulator to train flight learning.

The present invention proposes a high-speed pulse signal pulse width precision control circuit with a self-calibration function. The reference input clock passes through three PLLs to generate three coherent clock signals with the same frequency. The initial value of the frequency and phase accumulation word is used to adjust the phase of each PLL relative to the reference input clock, and then the three PLLs are synchronized by the synchronous trigger signal. The circuit structure of the present invention is simple, low in cost and low in power consumption, and is suitable for almost all high-speed pulse signal generators and Karpsu serial bit error meters; the minimum output pulse width is small, the control precision is high, and the minimum output pulse width can reach 100 ps. The pulse width control accuracy can reach 1ps; the working frequency is high, the highest working frequency can reach 4.1GHz; it has automatic calibration function, which can automatically compensate the error caused by the change of environment and temperature. The calibration circuit adopts pure digital design, and the calibration efficiency is extremely high. The difficulty of debugging has been greatly reduced.

The invention discloses a device for analyzing the characteristics of a flexible piezomagnetic sensor array. The device for analyzing the characteristics of the flexible piezomagnetic sensor array comprises human-machine interaction devices, an LCR bridge, a multi-channel switch control circuit board and a sensor signal collecting device, wherein every two human-machine interaction devices are in communication connection with each other. The multi-channel on-off control circuit board comprises two multi-channel switches controlled by a single-chip microcomputer. The sensor signal collecting device comprises a first electrode plate and a second electrode plate, wherein the surfaces of the two electric plates are opposite to each other, the opposite surfaces of the two electrode plates are each provided with an electrode array composed of multiple electrodes, the electrodes on the same row on the first electrode plate are electrically connected with one another through wires, the electrodes on the same line on the second electrode plate are electrically connected with one another through wires, and multiple connection ends of the two multi-channel switches are electrically connected with the multiple rows of electrodes on the first electrode plate and the multiple lines of electrodes on the second electrode plate respectively in a one-to-one correspondence mode. By the adoption of the device for analyzing the characteristics of the flexible piezomagnetic sensor array, the function of automatically recording and analyzing the flexible piezomagnetic sensor array can be achieved, and development and research of the flexible piezomagnetic sensor array are facilitated.

The invention discloses a control method of a supplementary electricity type battery management circuit additionally provided with a discharging module. According to the control method, a dischargingmodule is additionally arranged on the basis of a supplementary electricity type battery management circuit, so that a discharging equalization function, a charging current calibration function and anexternal line and internal switch state detection function are achieved, bidirectional charging and discharging equalization of the supplementary battery active equalization circuit is achieved, andthe equalization precision of the circuit and the reliability of the system are improved.