40results about How to "Meet collection requirements" patented technology

The invention discloses vehicle-mounted engineering machinery remote wireless data collection and monitoring system and a method. An analogue value, a switching value, a frequency value, a RS-232 interface, a CAN bus interface, a global positioning system (GPS) module, a power module, a real-time clock, an external expanding memory, a programming and debugging module and a general packet radio service (GPRS) communication module in a data collection device are respectively connected with a microcontroller; a control input module, a data communication module, a database storage processing module and a data display module are respectively connected with a data controller in a data monitoring device; and a GPRS communication module of the data collection device is connected with the data communication module of the data monitoring device in a wireless mode through transmission control protocol (TCP) data communication protocol. The system has rich and varied data collection channels, data collection storage, data collection transmission and the period can be remotely configured, local storage data of the data collection device can be remotely extracted, the collected data can be ensured not to lose when a wireless communication network is unawailable. The invention is suitable for vehicle-mounted engineering machinery remoter wireless data collection and monitoring.

The invention discloses a femtojoule level nanosecond pulse laser energy detection device, belonging to the technical field of optical measurement. The femtojoule level nanosecond pulse laser energy detection device comprises a convergent mirror assembly, a detector, a drive circuit and an amplification assembly, wherein the convergent mirror assembly is used for converging parallel light beams emitted from a femtojoule level nanosecond pulse laser light source to the light-sensitive surface of the detector; a PMT (Photo Multiplier Tube) detector with a silver oxygen cesium photocathode is selected as the detector, the drive circuit enables the detector to have high-sensitivity and low-dark current output through a potential-divider network and a filter network which are designed by proper high-voltage output and are matched; the bandwidth of the amplification assembly is more than 200MHz, and the output of the detector can be amplified 64 times, 512 times or 4096 times so as to meet the acquisition requirement of a subsequent application device. According to the femtojoule level nanosecond pulse laser energy detection device, the detection problem of femtojoule level nanosecond pulse laser is solved, and the amplification output of an ultra-high-speed weak pulse signal is realized.

The invention discloses a collection device of an earth-stone binary medium earth-pillar and a hydrologic parameter measurement system and method, and belongs to the technical field of the earth-pillar test. A pre-collected earth-pillar is placed in a specific device so as to be detected. The integrity and the stability of the original earth-pillar structure, physical character, and the chemical character can be well guaranteed, thereby effectively overcoming the obstacle that the traditional external force-embedded earth-sampling way cannot smoothly and accurately collect the original earth-pillar due to more gravels; the size setting is flexible, the operation is convenient and labor-saving, the joint mixture can be injected through injection holes around a sampler so as to fill the cracks, and the collection requirement of the large-size original earth-pillar can be satisfied; the advanced embedding of more sensors can be satisfied by means of the injection holes, the damage causedby the secondary development of the earth-pillar is reduced, and the accuracy of the earth-pillar test monitoring is improved. The obtained original earth-pillar containing the gravels is closer to the original state, thereby providing more scientific and accurate test sample for subsequently researching the subsequent earth-stone binary medium.

The invention provides a control method for improving gas recovery of a new OG (Oxygen Converter Gas Recovery) converter. The control method comprises the following steps: 1) feeding back a pressure signal of micro differential pressure of a converter mouth, a position signal of an annular gap scrubbing tower and rotation speed of a dust exhausting fan to a PLC (Programmable Logic Controller); 2) detecting the content of gas and the content of CO through a gas analyzing instrument, and igniting and diffusing the gas in a diffusing tower when the contents do not meet the recovery condition; 3) adjusting the micro differential pressure of the converter mouth by self-optimizing model switch control; and 4) starting to recover the gas when the gas analyzing instrument detects that the gas meets the requirement on collection. According to the control method for improving gas recovery of the new OG converter, a movable smoke hood, an annular gap hydraulic control device and the dust exhausting fan are coordinated and controlled by the PLC, the self-optimizing switching control mode is adopted, so that the micro differential pressure of the converter mouth in blowing can quickly reach the range of 0 to 10Pa and the stable state during blowing, and as a result, the content of the gas and the content of CO in of the converter can meet the requirement on collection within a short time, and the purpose of improving the recovery rate of the gas of the converter can be realized.

The invention discloses a passive sampling device of multi-component atmospheric organic pollutants and belongs to the field of sampling devices of organic pollutants in the air. The passive sampling device comprises a top hook, a sampling device body, baffles, a connection rod and an embedded screen drum. The sampling device body is of a layer structure formed by overlaying N baffles from top to bottom, and the baffles are fixedly connected through a connection rod in the middle of the sampling device body; the baffles are of cap-shaped structures with the middle protruding upwards and the periphery dropping; the baffle on the uppermost layer is in thread connection with the connection rod; and the embedded type screen drum is vertically placed in the sampling device body. The passive sampling device can collect organic pollutants different in type, simultaneously can obtain parallel samples of the atmosphere, can meet the pollution investigation and monitoring requirements on characteristic pollutants of volatile components and semi-volatile components like polycyclic aromatic hydrocarbon in chemical-industry type pollution sites and has the advantages of being low in cost, easy and convenient to operate and convenient to carry.

The invention discloses an automatic quantifying and sampling device for shale gas analysis, relates to the technical field of exploration and development of oil and gas, and is used for solving the technical problems in the prior art that sample collection wastes time and labor and sampling cannot be performed in batch. The automatic quantifying and sampling device for shale gas analysis comprises a sample collection unit and a control unit, wherein the control unit can control the connection and disconnection of a three-way valve in the sample collection unit so as to control the connectionand disconnection between an air inlet and an air outlet as well as between the air inlet and an injector, therefore, it can be achieved that a gas sample is automatically quantified, collected and analyzed in batch, thereby meeting natural gas sample collection requirements in the exhaust process in uncertain time periods during shale analysis; manual participation dose not needed in collection in batch, thereby improving the shale gas analysis experiment efficiency and reducing the labor cost in the experiment.

The invention discloses a portable farmland environment information remote acquisition and monitoring device, in particular to a remote real-time monitoring device based on an open Internet of Things platform. The device comprises sensors, a micro processing controller, a signal acquisition unit, a wireless router, a wireless network card, a network expansion board, a mobile power supply, a machine shell and the open Internet of Things platform. The micro processing controller, the wireless router and the network expansion board in the machine shell and the sensors outside the machine shell are powered through the mobile power supply. The micro processing controller in the machine shell is in communication with a PC through a USB communication interface, the signal acquisition unit is connected with the sensors outside the machine shell through acquisition interfaces, and the router is connected with the wireless network card through a USB interface. The device is portable, and can flexibly achieve farmland environment information acquisition and synchronously perform serial port acquisition and web publishing; and the device provides an open internet data platform for experts to perform analysis and decision-making, and solve the problem that data searching and analysis only can be performed on a single server.

The invention provides a method for measuring the spatial orientation of a pipeline based on a CMOS image sensor. The method includes the following steps that: a laser light source and a CMOS image sensor are arranged at mechanical centering fixed ends at two ends of a universal joint, an attenuation sheet and a bubble fluorescent ring are arranged between the laser light source and the CMOS image sensor, the initial position of the laser light source is set, so that the initial position of the laser light source can be located at the center of the pipeline, and laser emitted by the laser light source is overlapped with the central axis of the pipeline; the laser light source moves, and the CMOS image sensor acquires one frame of image when the laser light source moves a certain distance each time from the initial position; laser spots and bubble fluorescent rings on the acquired images are processed, so that the pixel positions of the laser spots on a photosensitive surface and the directions of bubbles on the fluorescent rings are obtained, the center position of each laser spot and the position of each fluorescent ring bubbles are recorded; the center of each pixel light spot is converted into the actual physical position coordinates of a light spot center; and the orientation curve of the pipeline is fitted through using a least squares method-based curve fitting algorithm according to the actual physical position coordinates of the light spot center and the directions of the bubbles of the fluorescent rings.

The invention discloses an automobile accident noise detection and positioning system based on a sound sensor. The automobile accident noise detection and positioning system comprises a vehicle-mounted data acquisition and positioning module and a remote monitoring terminal, wherein the remote monitoring terminal is connected with the data acquisition and positioning module; the data acquisition and positioning module comprises a sound sensor, a data processing module, an AD converter, an amplifier module, a wireless communication module, a positioning module and a power supply module; the wireless communication module comprises a single chip microcomputer module and a GPRS wireless communication module which is connected with the single chip microcomputer module. Due to adoption of the sound sensor, noise generated when automobiles collide with each other can be acquired in real time, acquired noise parameters and position information can be transmitted to the remote monitoring terminal in real time, the remote monitoring terminal can acquire the place of the automobile accident in time, rescue assistants can be sent in time, meanwhile, help calling can be transmitted to 911, emergent contact persons and the like, and injuries and deaths caused by salvage delay on sparsely populated roads can be prevented.

The invention relates to a sampling system suitable for sampling fine particles in fixed-source droplet-containing flue gas. The sampling system comprises a flue gas pretreating part, a flue gas sampling gun, a diluting and aging part, a gas outlet device and a particle collecting part, wherein the flue gas pretreating part comprises a sampling nozzle (1) and a gas-liquid cyclone separator (2); the main body of the flue gas sampling gun (3) is a nafion tube bundle; the sampling nozzle (1) is connected with the front end of the flue gas sampling gun (3) through the gas-liquid cyclone separator (2). The sampling system has the advantages as follows: the dehumidifying effect of a device is improved; the sampling system is compact and miniaturized in structure, and easy and simple to operate.

The invention discloses an intelligent system for controlling damping of a mechanical structure. The system comprises a damping material layer, a piezoelectric actuator layer, a sensor, a damping control system and the like, wherein the lower part of the damping material layer is connected with a matrix of a vibration structure, and the upper part is connected with the piezoelectric actuator layer; the piezoelectric sensor is connected with the lower surface or the upper surface of the matrix of the vibrate structure; hardware of the damping control system mainly comprises a computer, an NI-PCI 4472 board card, a DAQ (data acquisition) board card, a charge amplifier, a power amplifier and the like; the piezoelectric sensor is connected with the NI-PCI 4472 board card through the charge amplifier; the NI-PCI 4472 board card is connected with the piezoelectric actuator layer through the DAQ board card and the power amplifier; the sensor is a piezoelectric sensor; and the damping control system adopts an NI control system and a damping control algorithm module, so that the structural damping can be changed spontaneously, the vibration is attenuated, the damage to a mechanical system caused by vibration is reduced, the device accuracy is maintained, the service life is prolonged, the noise pollution of a structure to the environment is inhibited, and the mental and physical health of an operator is guaranteed.

The invention belongs to the technical field of marine waste cleaning equipment, and relates to a marine environmental protection tool, in particular to a marine floating material collecting device for efficiently collecting floating materials through rotation of suction fan blades and a flexible conveying chain. A main body structure of the marine floating material collecting device comprises floating balls, a connecting rod, a suction opening, the suction fan blades, a flexible outer pipe, the flexible conveying chain, a motor, a collector, a flexible central shaft and a connecting ring. The conventional active collecting device is changed to a fixed passive collecting device so as to greatly improve relatively working efficiency of the entire device and reduce the volume of the entire device to satisfy collecting requirements on small and medium-sized marine floating materials; the provided suction fan blades, flexible outer pipe and flexible conveying chains are driven by the motor, so that the garbage collecting efficiency is improved; the non-manual automatic movement of the device is realized through a positioning tracker and an electronic steering machine, thereby reducing the workload; the marine floating material collecting device is reasonable in structure, simple in principle, good in stability and friendly to application environments.

A thermocouple slip ring device comprises at least a group of slip rings. Each group of slip rings comprises two slip ring bodies which are respectively connected with the anode and the cathode. At least two insulators are synchronously arranged on the slip ring bodies of each group of slip rings. Slip ring sections between the insulators on the slip ring bodies are respectively connected with corresponding thermocouples by leads. The quantity of the slip ring sections is the same as that of the thermocouples. The thermocouple slip ring device also comprises an induction trigger device used for triggering the thermocouple slip rings and an electric brush used for collecting the thermocouple signals. The induction trigger device comprises induction contacts fixedly arranged on a cylinder body and inductors corresponding to the induction contacts. The quantity of the induction contacts is the same as the quantity of the slip ring sections on each group of slip ring bodies and the quantity of the inductors. When a certain induction contact is contacted with a corresponding inductor, the thermocouple temperature signals corresponding to the slip ring sections of all the groups of sliprings are collected and the slip ring sections correspond to the positions of the induction contacts. The thermocouple slip ring device of the invention can meet the use requirement of collecting thethermocouple temperature signals and reduce the quantity of the slip ring bodies.

The invention belongs to the technical field of networked large data monitoring and analyzing, and particularly relates to an integrated configurable industrial information monitoring, analyzing and controlling system. An AM3359 industrial grade ARM architecture processor is adopted, a highly-integrated data acquisition and analysis system is developed and designed, and a 16-channel standard analog input channel, a 16-channel standard digital control output interface and an external 14-channel universal serial bus interface are provided; QT development is applied to an information monitoring and analysis system, the high-liberalization configurable function is achieved, the information monitoring and analysis system can be suitable for different kinds of large data monitoring targets and various site environments, and therefore multi-site multiplex monitoring control is achieved; the industrial grade Ethernet transmission mode and the GPRS wireless data transmission mode are adopted for a data communication system and the reliability of data transmission is guaranteed to the largest degree. The integrated configurable industrial information monitoring, analyzing and controlling system is high in integration degree, a plurality of functions of data acquisition, processing, analysis, storage, transmission, control, report printing and the like are integrated into the unified system, the system functional redundancy is reduced, and the system efficiency is improved.

The invention discloses a high-power gyrotron collecting stage, which belongs to the field of high-power technologies of microwaves and millimeter waves, relates to a high-power gyroscope, and is a novel collecting stage structure for a high-power gyrotron. The collecting stage comprises a cylindrical inner wall and a plurality of cooling fins arranged outside the inner wall, wherein each coolingfin is of a spiral structure and surrounds the outer side of the inner wall, and a gap between the adjacent cooling fins is a spiral coolant passage; and the bottom of the spiral coolant passage is acorrugated structure. Through the design of the collecting stage with a special structure, the liquid cooling efficiency can be greatly improved, the collecting stage and the liquid cooling temperature can be lowered, and thus the power density per unit area of the collecting stage can be increased from 0.38kw / cm2 to 1.65kw / cm2, the collecting requirements of the gyroscopes with higher power can be met, and a smaller size can be realized.

The invention discloses a method for determining a compressed sensing measurement matrix, and the method comprises the steps: constructing an N*N-order orthogonal square matrix based on a sparse matrix; extracting M row vectors from the orthogonal square matrix to generate an M*N-order initial measurement matrix; then, using the cross correlation coefficient between the column vectors as an evaluation basis for verifying the randomness of the measurement matrix; performing iterative operation of updating element positions on the basis of the initial measurement matrix; taking the measurement matrix with the minimum cross correlation coefficient in each iterative operation as the optimized measurement matrix, wherein compared with the initial measurement matrix, the optimized measurement matrix has higher randomness, improves the reconstruction precision, and is beneficial to meeting the acquisition requirements of more original signals. The invention further discloses an apparatus anda device for determining a compressed sensing measurement matrix and a computer readable storage medium, which have the above beneficial effects.

The invention relates to a local communication converter and an automatic data synchronization method thereof. The automatic data synchronization method of the local communication converter comprisesthe following steps: S1, starting synchronization; S2, identifying whether a new transformer area local communication module exists or not; S3, acquiring a local communication module of the original transformer area; and S4, synchronizing the original transformer area local communication module to the new transformer area local communication module. According to the automatic data synchronizationmethod of the local communication converter, by synchronizing an original transformer area local communication module and a new transformer area local communication module, a solution for replacing and upgrading a universal product is formed, and the problems that an existing transformer area concentrator and the local communication modules are long in historical operation period, inconsistent instandard, different in parameter details and diverse in operation mode are solved; compatible operation and an installation-free and maintenance-free transformation process of a new local communication module in an original transformer area concentrator are ensured, the transformer area collection success rate is improved, and the collection requirement is met.

The invention discloses a core sample collecting method with a high recovery rate. The core sample collecting method comprises following steps: geological formation and underground water of a core sample collecting site are identified and monitored respectively, an appropriate drilling mode is reasonably selected, reasonable length of footage per round trip is selected, an aqueous polysaccharide vegetable glue solution is selected as flushing fluid, an appropriate sampler is selected for collecting a core sample in a core sample collecting site with normal-state formation, and the sampler is changed for fractured formation and serious fracture leakage formation in the core sample collecting site. According to the method, a drilling tool of the sampler is appropriately moved when cores areblocked in the core sample collecting process, immediate trip-out operation is performed during invalid drilling of the drilling tool, so that the problem of mutual abrasion of the cores due to long-term lifting motion and forced drilling or reduction of the core recovery rate is reduced because fine-particle cores at the bottom of a drill bit are washed away by the flushing fluid can be solved, and the core recovery rate can be effectively guaranteed.

The invention discloses a high-voltage switch characteristic detection system using image measurement technology. The high-voltage switch characteristic detection system comprises a high-voltage switch (circuit breaker); the output end of the high-voltage switch (circuit breaker) is connected with a CCD camera; the output end of the CCD camera is connected with an image acquisition device; the image acquisition device is connected with a computer; the output end of the CCD camera is also connected with a TTL flip-flop; the TTL flip-flop is connected with a switch signal detector; the input end of the switch signal detector is connected with the high-voltage switch (circuit breaker); the output end of the switch signal detector is connected with a timing connecting device; the output end of the timing connecting device is connected with the computer; the output end of the computer is connected with a switch control power source; the output end of the switch control power source is connected with a tripping coil; the tripping coil is in linkage with the normally-closed contact of the high-voltage switch (circuit breaker); and the computer is connected with a parameter calculation module and a relational database, and is provided with a communication interface, and is connected with a display device. According to the high-voltage switch characteristic detection system of the invention, advanced control equipment is adopted, so that detection can be more accurate.

The invention provides an edge computing gateway for monitoring spontaneous combustion disasters of vulcanization corrosion products. The edge computing gateway structurally comprises a field sensor network interface, a central processing unit and an internal storage and data transmission unit, wherein the internal storage and data transmission unit is respectively connected with the field sensor network interface and the central processing unit; and a vulcanization corrosion safety monitoring algorithm is executed in the central processing unit. According to the invention, different types of data collected on site can be processed and calculated, a deep learning algorithm is utilized to preliminarily judge the spontaneous combustion state of the vulcanization corrosion of the current sulfur related device, and the data is transmitted to a rear master control platform; therefore, on-site parameters are monitored, the real-time performance of system diagnosis is improved, the intelligent level of on-site decision-making programs is improved, and the reliability of the whole monitoring network is improved.

The invention discloses an FPGA+DSP based rocket engine onboard fault diagnostic device. The FPGA and DSP combined dual-processor collaborative technology is adopted, and an analog-digital conversionchip is controlled through the flexible configuration capacity and the parallel computing capacity of an FPGA to achieve the rocket engine sensor data collection function and the outside input commandentering function. Data are transmitted to a DSP through a bus, only a fault diagnosis algorithm operates in the DSP, DSP operation loads are reduced, and the fault diagnosis algorithm is achieved through the strong operational capability of the DSP. According to the rocket engine onboard fault diagnostic device, a micro-processing module, a data collection module, a power module, a communicationmodule, a fault display and alarm module and a function module of a data storage unit are all integrated on a board card, corresponding interfaces are left, and the fault diagnostic device is high inintegration degree and small in size; and safety and reliability are achieved, maintenance and expansion are easy, and the fault diagnostic device can be used in multiple kinds of rocket engine onboard fault diagnosis.

The invention relates to the field of power monitoring, in particular to a power monitoring device. The wavelength and power monitoring device comprises an optical signal input end, a primary filtering module, a secondary filtering module and a PD receiving end which are arranged in sequence; a multi-wavelength optical signal is input from the optical signal input end, coarse filtering in a largerange is carried out through the first-stage filtering module, fine filtering in a small range is carried out through the second-stage filtering module, and then the multi-wavelength optical signal isincident to the PD receiving end, so that optical signal wavelength monitoring and power monitoring are realized. According to the invention, the two-stage filtering module is adopted to carry out secondary filtering on optical signals of an optical system, especially an optical fiber communication system, such as an optical communication WDM system, so that the acquisition requirement of a PD receiving end is met, and the wavelength monitoring precision and stability are improved; furthermore, the problems that the wavelength monitoring accuracy is inaccurate and configurable channel wavelength monitoring and compensation cannot be carried out are avoided.

The invention discloses vehicle-mounted engineering machinery remote wireless data collection and monitoring system and a method. An analogue value, a switching value, a frequency value, a RS-232 interface, a CAN bus interface, a global positioning system (GPS) module, a power module, a real-time clock, an external expanding memory, a programming and debugging module and a general packet radio service (GPRS) communication module in a data collection device are respectively connected with a microcontroller; a control input module, a data communication module, a database storage processing module and a data display module are respectively connected with a data controller in a data monitoring device; and a GPRS communication module of the data collection device is connected with the data communication module of the data monitoring device in a wireless mode through transmission control protocol (TCP) data communication protocol. The system has rich and varied data collection channels, data collection storage, data collection transmission and the period can be remotely configured, local storage data of the data collection device can be remotely extracted, the collected data can be ensured not to lose when a wireless communication network is unawailable. The invention is suitable for vehicle-mounted engineering machinery remoter wireless data collection and monitoring.

The invention discloses a detector based on a semiconductor laser unit and a parameter adjustment method of the detector. The detector comprises a sample module, a collecting module and a service module, wherein the sample module is used for carrying a sample, the collecting module is used for collecting spectroscopic data of the sample through a collecting optical path based on the semiconductor laser unit under the control of an embedded operating system, the service module is used for processing the collected spectroscopic data through the embedded operating system, a cloud computing technology and a big data processing technology so as to obtain absorbancy and component index data of the sample, and the output end of the collecting module is connected with the input end of the service module. An optical source and an optical splitter are integrated through the semiconductor laser unit in the collecting module of the detector, so that the detector is smaller in size and lower in price; the embedded operating system, the cloud computing technology and the big data processing technology are integrated in the service module, so that the detector is more convenient to use, the dependency on a computer is reduced, the analysis speed is increased, and the analysis efficiency is improved. The detector can be widely applied to the spectroscopic detection field.

The invention relates to a device and method for collecting reeds in marsh or shallow water. The device comprises a frame assembly, wherein a cutting system is arranged in the frame assembly and is connected with the frame assembly through a longitudinal guide structure, and the longitudinal guide structure drives the cutting system to longitudinally move up and down. The device for collecting the reeds is a vertical motorized collecting device, and the collecting requirement can be met without many people. In the collecting process, the opening degree of a wheel disc frame can be controlled according to the number of needed reeds, the depth of a cutting cylinder can be controlled according to a motor on a longitudinal guide rail, and the length requirement for collecting roots is met.

The invention proposes an edge computing gateway for monitoring the spontaneous combustion disaster of sulfide corrosion products, the structure of which includes an on-site sensor network interface, a central processing unit, an internal storage and data transmission unit; The sensor network interface and the central processing unit are connected; the sulfide corrosion safety monitoring algorithm is executed in the central processing unit. The invention can process and calculate different types of data collected on site, use deep learning algorithm to make preliminary judgment on the spontaneous combustion state of sulfide corrosion of the current sulfur-related device, and transmit the data to the rear main control platform, so as to realize the on-site parameter analysis. improve the real-time performance of system diagnosis, improve the intelligent level of on-site decision-making procedures, and improve the reliability of the entire monitoring network.

The invention discloses a compound-function binocular vision sensor suitable for a movable independent welding robot, comprising a fixture fixed on the tail joint of a welding robot, wherein the fixture is provided with two camera brackets of which the positions and the angles are adjustable; each camera bracket is provided with a camera and a motor rotating mechanism; and each motor rotating mechanism is connected with a reducing filter system and can drive the reducing filter system to rotate to cause the reducing filter system to rotate into / out of the visual field range of the camera. The sensor has the characteristics of simple structure and multiple degree of freedom, and can satisfy the requirement that the movable robot can independently and continuously works before and after arcing in antistructure space.

The invention belongs to the technical field of automatic control and provides a device for testing a high energy beam composite welding thermal cycle. The device is formed by connecting a thermocouple sensor, a signal amplifying and filtering circuit, an analog / digital converter, a personal computer (PC) and a power module. The device is based on a universal serial bus (USB), has high transmission rate, can completely meet the acquisition requirement, is small in size, has the advantages of plug-and-play and convenience in use and carrying, and is suitable for field measurement of various working conditions; the device is simple and attractive in operating interface, easy to operate, can display a dynamic curve of the acquisition process in real time and save the completely acquired data as a text file for analysis, and is accurate in result, high in working efficiency and reliability, high in expansibility and portability and high in data acquisition and processing automaticity; and moreover, the device is accurate in recording result, easy to operate, friendly in interface, convenient to use and carry, can well obtain a welding thermal cycle curve and has high popularization and application value.

The invention discloses a portable farmland environment information remote acquisition and monitoring device, in particular to a remote real-time monitoring device based on an open Internet of Things platform. The device comprises sensors, a micro processing controller, a signal acquisition unit, a wireless router, a wireless network card, a network expansion board, a mobile power supply, a machine shell and the open Internet of Things platform. The micro processing controller, the wireless router and the network expansion board in the machine shell and the sensors outside the machine shell are powered through the mobile power supply. The micro processing controller in the machine shell is in communication with a PC through a USB communication interface, the signal acquisition unit is connected with the sensors outside the machine shell through acquisition interfaces, and the router is connected with the wireless network card through a USB interface. The device is portable, and can flexibly achieve farmland environment information acquisition and synchronously perform serial port acquisition and web publishing; and the device provides an open internet data platform for experts to perform analysis and decision-making, and solve the problem that data searching and analysis only can be performed on a single server.