39results about How to "Realize unattended operation" patented technology

The invention relates to an unattended electric vehicle charging system. The system comprises a cloud platform server, a plurality of intelligent charging stations and a plurality of intelligent terminals. The cloud platform server is separately communicated and connected with the intelligent charging stations and the intelligent terminals. The intelligent charging stations are used for transmitting state information of the intelligent charging station to the cloud platform server; the intelligent charging station is used for providing authentication information for the intelligent terminals, and the intelligent terminals scan or receive the authentication information and obtain using authority of the intelligent charging station; the cloud platform server is used for receiving the state information and the authentication information and controlling parking locks and charging devices according to the state information and the authentication information; the cloud platform server send state information to the intelligent terminals. The invention also provides a using method of the unattended electric vehicle charging system. The unattended electric vehicle charging system solves the problem that fuel vehicles occupy charging and parking positions of electric vehicles, realizes the unattended operation of the charging station, and improves the operation efficiency of the charging station.

The invention provides an automatic calibration system for a gas sensor. The automatic calibration system comprises a steel cylinder, a gas mass flow controller, a high- and low-temperature alternate experimental box, a sensor gas hood, a sensor data acquisition circuit and an industrial computer, wherein the steel cylinder, the gas mass flow controller and the sensor gas hood constitute an air distribution system; the industrial computer is connected with the high- and low-temperature alternate experimental box to produce different constant temperatures; the industrial computer is connected with the gas mass flow controller to generate set gas concentrations at different constant temperatures; and the industrial computer is connected with the sensor data acquisition circuit to acquire gas concentration response values of the gas sensor at different constant temperatures and transmit sensor calibration data to the gas sensor. The automatic calibration system has the advantages of scientific design, convenience for using, complete functions, automatic temperature control capability, automatic dynamic air distribution capability, automatic data acquisition capability, automatic data handling capability, high working efficiency and high reliability.

The invention discloses a 3-dimensional quick forming machine provided with an operating system module. The 3-dimensional quick forming machine comprises a control module, a storage module, a forming module, a mechanical module, a circuit module, a communication module, consumables and an auxiliary module, and is characterized in that the operating system module is further arranged inside the 3-dimensional quick forming machine, the operating system module is connected with the control module, the storage module and the communication module, and the operating system module can be a computer operating system module, an embedded operating system module, a network operating system module, a numerical control operating system module, an industrial control operating system module, a mobile phone operating system module or a 2D / 3D / 4D quick forming dedicated operating system module, and the like; the operating system module can comprises an open source or open type, research type or experiment type operating system module and the like. According to the machine provided by the invention, the 3-dimensional quick forming machine is enabled to have capabilities of independent calculation, independent communication, independent edition, independent operation, man-machine interaction, network operation, remote operation and mutual operation.

The invention provides an intelligent rainwater car washing system which is characterized by comprising a rainwater collection unit (1), a rainwater purification unit (2), a clean water pond unit (3), a car washing room unit (4), a waste water reusing processing unit (5) and an intelligent control unit (6), wherein a water outlet pipe (1-3) of the rainwater collection unit (1) is connected with a water inlet pipe (2-1) of the rainwater purification unit (2), a water inlet pipe (2-5) of the rainwater purification unit (2) is connected with a water inlet pipe (3-1) of the clean water pond unit (3), a water supplying pipe (3-3) of the clean water pond unit (3) is connected with a water inlet pipe (4-4) of the car washing room unit (4), and car-washing waste water of the car washing room unit (4) flows into a waste water collection pipe (5-1) of the waste water reusing processing unit (5). On-line motoring data and sending instructions of other units are collected by the intelligent control unit (6) to control operation of all unit equipment. The intelligent rainwater car washing system has the advantages of opening up new water resources, saving fresh water resources, and being environment-friendly, and has good society benefits and environment benefits.

The invention discloses a four-dimensional (4D) rapid molding machine capable of having wired and wireless communications with multiple targets. The 4D rapid molding machine comprises a mechanical component, a circuit component, a control component, a printing component and a consumable medium component, and is characterized by being further provided with at least one group of direct communication transmission module, which is internally provided with more than one wireless communication modules or more than one wired communication modules, or the two, wherein the wireless communication modules or the wired communication modules can be used for transmitting commands and data along the single direction or the double directions. The direct communication transmission module can be used for carrying out one-way or two-way data and command interactive transmission with a plurality of computers or other types of devices at the same time or in a time sharing way. The modules and the components are integral or separated from one another, and can be firmly combined together or in loose coupling; the positions of all the modules and the components can be freely arranged.

The invention relates to a recovery device for industrial exhaust gas adsorption, which includes a gas collection device, a plurality of adsorption tanks, a condenser and a fluid separator; the lower part of each adsorption tank has a gas inlet, the bottom part thereof is provided with a liquid outlet, and the top part is respectively provided with a steam inlet and a tail gas discharge port, the gas inlet, the liquid outlet, the steam inlet and the tail gas discharge port are respectively provided with valves, the gas collection device is communicated with the gas inlet, the liquid outlet is communicated with the condenser, and the condenser is communicated with the liquid separator; exhaust gas adsorption devices are arranged in the adsorption tanks, the exhaust gas adsorption devices are carbon beds laterally disposed in the adsorption tanks, particle activated carbon adsorbents are spread on the carbon beds, the carbon beds are provided with openings, the diameters of the openings are smaller than the diameters of the adsorbents. The invention adopts the activated carbon particles as the adsorbents, which has low consumption of desorption regeneration, little airflow resistance and little power of blower needed, thus low cost and large air quantity treating can be achieved.

The invention discloses a workpiece online cleaning station of a horizontal machining center flexible line. The workpiece online cleaning station comprises a conveying device, a turnover device, a rotating device, a spraying device and a chip removal device. The conveying device is used for horizontally conveying trays. The turnover device is used for turning the trays backwards by 90 degrees. The rotating device is used for driving the turned trays to rotate. The spraying device is used for introducing high-pressure water and spraying the high-pressure water so as to clean the rotating workpieces. The chip removal device is arranged below the spraying device and used for collecting waste water and waste chips generated when the workpieces are cleaned. The workpiece online cleaning station is compact in structure, reliable and high in degree of automation, highly automatic online cleaning of the workpieces can be achieved, unattended operation can also be achieved, besides, the workpieces can be cleaned thoroughly, and both an inner cavity and the outer surface of each workpiece can be cleaned. The workpiece online cleaning station is high in universality and suitable for cleaning workpieces of various types. Meanwhile, the waste water and the water chips generated in the cleaning process can be processed and integrated into a system of the horizontal machining center flexible line.

The invention discloses an intelligent maintenance-free sewage treatment device, which comprises a crushing device, an anaerobic decomposition pool, an earthworm filtering pool, an aerobic treatment pool, a sedimentation pool, a zeolite filtering pool, a disinfecting pool and a sewage detecting device, wherein the crushing device is used for crushing waste solids in sewage, the anaerobic decomposition pool is arranged at the back side of the crushing device, the earthworm filtering pool is communicated with the anaerobic decomposition pool, the aerobic treatment pool is communicated with the earthworm filtering pool, the sedimentation pool is communicated with the aerobic treatment pool, the zeolite filtering pool is communicated with the sedimentation pool, the sedimentation pool is also communicated with the anaerobic decomposition pool, the disinfecting pool is communicated with the zeolite filtering pool, and the sewage detecting device is used for detecting the water quality of outlet water of the disinfecting pool. The intelligent maintenance-free sewage treatment device has the advantages that the maintenance cost is lower, only the regular sludge state maintenance and checking are needed, and the maintenance period time is longer.

The invention discloses a device for monitoring mountain fire in real time based on power grid wide area of a multispectral thermal energy monitoring radar, comprising a radar antenna device and a terminal industrial control computer in communication connection with the radar antenna device. The radar antenna device comprises a radar antenna, a dual-spectrum camera, a pitching box, a U-shaped support, a base and a wireless transmission module. The radar antenna is fixed to one end of the pitching box through a flange, the other end of the pitching box is hung in the air, the dual-spectrum camera is fixed to one side of the radar antenna through a support, an upper end of the U-shaped support is rotatably connected with the middle part of the pitching box through a pitching gear bearing arranged on two side walls of the pitching box, a lower end of the U-shaped support is rotatably connected with the top of the base through a crossed roller slew gear bearing arranged at the top of the base, and the dual-spectrum camera is in communication connection with a camera IP box in the pitching box through the wireless transmission module. The device for monitoring mountain fire in real timebased on power grid wide area of a multispectral thermal energy monitoring radar has the advantages of wide measurement coverage, accurate fire reconnaissance position, high precision and the like, can effectively save investment of manpower and material resources, and reduces property loss of line resources.

The invention discloses a multi-audio parameter automatic test method and a test system. The system comprises an audio device to be tested, an audio analyzer, and an automatic test device which is intelecommunication connection with the audio device to be tested and the audio analyzer. When a test is started, the audio analyzer activates corresponding pre-set test items according to the test content of the audio device to be tested, and sends the test items to a processing module for performing analysis processing, wherein the processing module converts the received test items to corresponding test instructions and sends the test instructions to the audio device one by one; and the automatic test device transmits only one test instruction at a time so that the audio device to be tested can be tested once.

The invention relates to a concentrated monitoring field, in particular to a control device and a method based on a front end computer in a concentrated monitoring system. The invention comprises a management module of the front end computer, a monitoring module of the front end computer and a clock source module, wherein, the monitoring module of the front end computer is used for monitoring each protocol data analyzing program, and gives a real-time alarm on the monitored and collected data / transmits the monitored and collected data to the management module of the front end computer; the management module of the front end computer is used for monitoring the operation condition of the monitoring module of the front end computer, each protocol data analyzing program in the monitoring module of the front end computer, the clock source of the front end computer, a memory of the front end computer and each disc of the front end computer. The invention applies a communication technique of a user data protocol (UDP) to monitor and manage the computer clock inside the front end computer, the service condition of the memory, the service condition of each disk and each protocol data analyzing program in the concentrated monitor system. When abnormal situation occurs, relevant personnel on duty can be notified to handle, so the front end computer can operate under the condition that no personnel is on duty.

The invention relates to the technical field of TBM engineering, in particular to TBM tunnel multifunctional wet dust removal equipment which comprises a dust removal fan, a connecting pipe, a chimneyand wet dust removal equipment. Thedust removal fan is connected with the connecting pipe, the connecting pipe is connected with thechimney, and the wet dust removal equipment comprises a cylindricalshell, a motor arranged at the top end of the shell, a filter screen mechanism arranged in the shell, a water supply device, a heating device, a circulating dust removal device and a sedimentation recovery device. Wet dust removal is carried out through cyclic utilization of water vapor, water sources are effectively saved, work is not affected while dust removal is carried out, and a good working environment can be provided for workers; and by arranging the multiple sets of circulating dust removal devices, dust in the TBM tunnel can be fully purified.

The invention discloses an environment-friendly coke pool closed loading and waste gas treatment integrated system. The system comprises a coke tower, a coke pool and an intelligent grab bucket, the bottom of the coke tower is communicated with a coke pool through a coke chute, the coke in the coke pool is grabbed to the coke transporting vehicle through the intelligent grab bucket, the areas where the coke pool, the intelligent grab bucket and the coke transporting vehicle are located are sealed to form a decoking workshop, a waste gas collection point connected with the waste gas treatment system is arranged on the decoking workshop, the waste gas treatment system comprises a washing desulfurization tower, a demister, a cooling spray head, an alkali liquor spray head and an oil collection tank are arranged in the washing desulfurization tower, and a gas phase outlet pipeline of the washing desulfurization tower is provided with a gas monitor for monitoring whether the finally discharged waste gas reaches the standard or not. The coking process is closed, the waste gas in the coking process is treated through the waste gas treatment system to reach the emission standard and can bedirectly emitted, and the system is low in failure rate, high in equipment integration degree, simple in process, safe and reliable and capable of achieving unattended operation.

The invention discloses an unattended operation design method of a hydropower station winch type single-lifting-point gate hoist. The method includes the steps that 1, a set of electric push rod is arranged at the position of each set of locking trolley on the two sides of a gate along rails; 2, a single coiling block of the winch type single-lifting-point gate hoist is changed into an A duplex coiling block and a B duplex coiling block which are oppositely arranged; 3, as for the movable winch type single-lifting-point gate hoist, a proximity switch is arranged on an operating mechanism, andan induction block is arranged at the center position of each gate orifice; and 4, as for the fixed winch type single-lifting-point gate hoist, cameras are mounted in the regions of a hoist machine room and a gate overhaul platform, meanwhile, a signal receiving and transmitting device is arranged to collect control and monitoring signals of the hoist, and the signals are transmitted to a master control room through a network. As for the movable winch type single-lifting-point gate hoist, cameras are mounted in the regions of the hoist machine room, a lifting tool, the operating mechanism andthe center of a hanging point. Unattended operation of the winch type single-lifting-point gate hoist is achieved.

The invention discloses an open source radio wave environment data acquisition method based on a web crawler and a computer readable storage medium. The method comprises the following steps: step 1, investigation and survey of open source data and webpage feature analysis; step 2, web crawler design; and step 3, automatic acquisition of system architecture and integrated application. According to the method disclosed by the invention, various radio wave environment associated data sources can be investigated and screened, information such as data types, acquisition means, acquisition time and updating frequency of the data sources can be deeply analyzed, and the data sources with high association degree with the radio wave environment and high reliability are incorporated into objects of radio wave environment web crawler data acquisition.

The invention relates to the technical field of machine manufacturing, in particular to a loading mechanism for a rivet sheet feed device. The loading mechanism comprises a base and a disc-shaped main body on the base, a plurality of loading tables in central symmetry are fixedly arranged on the main body, a work hole penetrating through the main body vertically is formed in the part, on each loading table, of the main body, and passing holes matched with the work holes are formed in the loading tables; a rotating shaft and a motor driving the rotating shaft are arranged on the base, and the upper part of the rotating shaft is connected to the center of the main body. According to the invention, a certain amount of raw material to be machined can be borne; the material on the loading mechanism can be automatically placed on positions needing the material through the functions of the loading mechanism so that the machining requirements can be met; the multiple loading tables are adopted and can be automatically changed for meeting the feed requirements, and therefore unattended operation is realized, and the production efficiency is greatly improved.

The invention relates to a method and special equipment for treating slag in the smelting process of a blast furnace or a submerged arc furnace, belonging to the technical field of slag treatment of the blast furnace or submerged arc furnace. A water filter is arranged between granulation equipment and slag treatment equipment; a shell (9) has a groove profile with an upper opening, and a feedingport (29) and a discharging port (28) of the shell (9) are respectively connected with the granulation equipment and slag treatment equipment; at least one layer of filter screen (25) is arranged at the bottom of the shell (9), and filter stones (13) are arranged on the filter screen (25). The special equipment has the beneficial effects that the water quantity entering the slag treatment equipment is reduced, the water filtering effect is good, the conveying capacity and efficiency of the slag treatment equipment are improved, the abrasion to the equipment is reduced, and the service life ofthe equipment is prolonged; the filtered water quality is ensured, wear-resistant pipelines and slurry pumps are not required, equipment investment and failure rate are greatly reduced, and residual hot water can be used for power generation and heating.

The invention provides an automatic road traffic marking drawing system and method based on differential positioning. The system comprises a central control system, a differential positioner, an automatic advancing mechanism and a spraying servo mechanism, wherein the central control system drives the automatic advancing mechanism and the spraying servo mechanism according to positioning information sent by the differential positioner for spraying of markings. With a differential positioning technology as a guarantee and accurate control of route drawing as an entry point, after data correction, the positioning accuracy can reach the centimeter level, and unattended operation is realized. Each road marking is completed through one-time spraying, and the application requirements in actual construction are completely met; a rail tray can move to any point on X-axis and Y-axis rails, mounting and use of different operation devices are met through a standard interface component arranged onthe rail tray, and the system has better universality.

The invention relates to a drive control system of torsion fatigue test equipment. The drive controls system comprises an industrial control computer, and further comprises a servo drive, a servo motor, an encoder and an on-site module. The industrial control computer is connected with the on-site module and the servo drive, the on-site module is used to collect an acquired peripheral signal and output a control signal to peripheral equipment, the encoder is used to feed information of the servo motor back to the industrial control computer, the industrial control computer is used to perform calculation according to the peripheral signal and the information and output an operation result to the servo drive, the servo drive is used to drive the servo motor according to the operation result of the industrial control computer, and the servo motor is used to achieve drive of the torsion fatigue test equipment. The drive control system has a series of advantages of high control precision, small size, energy conservation, good durability and the like, and is advantageous in that a torsion angle is not limited.

The invention relates to a fish feeder and especially relates to a centrifugal fish feeder used in culture ponds. The fish feeder comprises a connecting seat; the connecting seat is provided with an accommodating motor and a power supply chamber; the fish feeder comprises multiple floating drums by which the connecting seat floats on the water surface; a pallet assembly rotates to realize feeding.According to the invention, a feeding pallet is designed to reciprocate by means of the centrifugation and centripetal motion principles; the centrifugation motion is accelerated by the returning ofa return spring and cooperation of balls; a stop board with a bevel on the pallet increases the angle of food leaving the tray. A series of designs increase the range of food projections. In the caseof keeping the power of the motor unchanged, the centrifugal force is increased, the utility is strong, the structure is simple, the processing is convenient, and the assembly is easy; the entire equipment is propped up by the floating drums, so that the equipment is stable and floats on the water; and the solar power supply is added, and the offshore wiring is eliminated; the wireless module is set up to facilitate remote control of feeding; timers were added to enable all-day leave unattended operations.

Embodiments of the present invention provide a VR seat management method and device. First, the user terminal sends a request to use the VR seat to the cloud server in response to the user operation. Next, the cloud server responds to the request and pushes the corresponding program schedule to the user terminal. After receiving the program schedule, the user terminal prompts the user to select the program to be played that needs to be played, and sends the program to be played selected by the user to the cloud server. After receiving the program to be played, the cloud server sends the program to be played to the VR seat management server corresponding to the VR seat. The VR chair management server sends the program to be played to the VR chair for playback. As a result, it can meet the audience's personalized viewing needs and improve the conversion rate of VR seats. At the same time, it basically does not require the help of staff to operate, which greatly reduces the cost of manual management and realizes the unattended operation of VR experience points. It is conducive to the construction of a large number of VR experience points.

The embodiment of the invention provides a VR seat management method and device. The method comprises the steps that a user terminal responds to an operation of a user to send a request for using a VRseat to a cloud server; the cloud server responds to the request to push a corresponding program schedule to the user terminal; the user terminal prompts the user to select a to-be-played program needing to be played after receiving the program schedule and sends the to-be-played program selected by the user to the cloud server; the cloud server sends the to-be-played program to a VR seat management server corresponding to the VR seat after receiving the to-be-played program; and the VR seat management server sends the to-be-played program to the VR seat to play the to-be-played program. Accordingly, the personalized watching requirements of audiences can be met, and the conversion rate of the VR seat is increased; and meanwhile a worker is almost not needed for helping operation, therefore, the labor management cost is greatly reduced, unattended operation of a VR experience place is achieved, and mass construction of VR experience places can be achieved.

Double pontoon type ecological water intake folding gate and its working method, operation method during maintenance, including gate A, gate B, gate C installed in the sluice chamber and pontoon chambers fixed on both sides of the sluice chamber, and gate B is located in gate A Between gate C, gate A and gate B, gate B and gate C are restricted and coordinated with each other through L-shaped components; the side of the buoyant chamber facing the direction of water flow is provided with a water inlet, and the bottom of the side facing away from the direction of water flow A water outlet is provided, and a buoyancy box is arranged in the buoyancy box chamber, and the two buoyancy boxes are respectively fixedly connected to the top of the gate A through straight rods, and the two side walls of the lock chamber are respectively provided with vertical chutes for the straight rods to pass through and lift. The invention is simple in structure, in normal working state, without external power and special personnel operation control, it is completely automatically regulated by the upstream water situation, compared with the general gate, it has the characteristics of saving manpower and material resources, and is convenient to use, and the gate realizes unattended operation run.

The invention provides a laser radar startup automatic discrimination method, equipment and storage equipment, the method comprising: firstly adopting an automatic exposure algorithm to adjust the exposure parameters of the camera; , perform Laplacian operation; perform binarization processing on the processed grayscale image to obtain a binary image; perform outlier detection on the binary image to count the number of stars; perform homogeneous normalization processing on the stars to obtain The threshold of the number of stars; finally, the maximum Rayleigh detection height of the lidar is exponentially fitted with the number of stars to obtain the current maximum Rayleigh detection height of the lidar; according to the maximum Rayleigh detection height of the lidar, it is judged whether it meets the start-up conditions of the lidar. The technical solution proposed by the present invention can realize the unattended operation of the laser radar, and realize the effect of intelligent discrimination through the photos taken by the camera, the number of stars that can be effectively identified and the maximum height of the laser radar when it is turned on.

The invention discloses a wide-area real-time mountain fire monitoring device for a power grid based on a multi-spectral thermal energy monitoring radar, which includes a radar antenna device and a terminal industrial computer connected in communication with the radar antenna device. The radar antenna device includes a radar antenna, a dual-spectrum camera, a pitching Box, U-shaped support, base and wireless transmission module, the radar antenna is fixed to one end of the pitch box through the flange, the other end of the pitch box is suspended in the air, the dual-spectrum camera is fixed to the side of the radar antenna through the bracket, and the upper end of the U-shaped support The pitch gear bearings installed on the two side walls of the pitch box are rotationally connected to the middle of the pitch box, and the lower end of the U-shaped support is rotationally connected to the top of the base through the cross roller slewing gear bearings installed on the top of the base. The transmission module communicates with the camera IP box inside the pitch box. The invention has the advantages of wide measurement coverage, accurate fire detection position, high precision, etc., can effectively save manpower and material resources, and reduce line resource and property losses.

The invention provides a laser radar startup automatic discrimination method and device, and a storage device. The method comprises the steps: firstly employing an automatic exposure algorithm to adjust the exposure parameters of a camera; carrying out second-order derivation on the gray-scale map of the compressed image, and carrying out Laplace operation; performing binarization processing on the processed grayscale image to obtain a binarized image; carrying out isolated point detection on the binarized image, and counting the number of stars; carrying out similar normalization processing on the stars to obtain a star quantity threshold value; and finally, performing exponential fitting processing on the maximum Rayleigh detection height of the laser radar and the number of stars to obtain the current maximum Rayleigh detection height of the laser radar; and judging whether a laser radar startup condition is met or not according to the maximum Rayleigh detection height of the laserradar. According to the technical scheme provided by the invention, unattended operation of the laser radar can be realized, the number of stars and the maximum startup height of the laser radar can be effectively identified through pictures taken by the camera, and the effect of intelligent judgment is realized.

The invention relates to an intelligent automatic bipolar reverse osmosis water purifying plant and a working method thereof. In regeneration of ion exchange equipment, an operator needs to contact with acid and alkali, the operation is dangerous, and even the operator wears labor protection products in regeneration, the personal safety of the operator is still in danger. The intelligent automaticbipolar reverse osmosis water purifying plant comprises a water pipeline (1), wherein the water pipeline is connected with a quartz sand filter (2), the quartz sand filter is connected with an activecarbon filter (3), the active carbon filter is connected with a security filter (4) and a secondary reverse osmotic membrane (7) respectively by a pipeline, the security filter is connected with a primary reverse osmotic membrane (6), and the secondary reverse osmotic membrane is connected with a water tank (16). The intelligent automatic bipolar reverse osmosis water purifying plant is applied to water purifying equipment.

The three-leg simple wellhead platform comprises an upper module, a jacket, a pile foundation and a drill conductor, the jacket is of an upper structure with a compact section, the upper structure is located in a wave and high-flow-speed ocean current acting area, and the wave and current force borne by the jacket can be effectively reduced; and the base plate is transited to a large-section lower structure through a transition structure, so that the enough large base plate size is provided to ensure the stability of the platform and reduce the stress of the pile foundation, and the base plate can adapt to severe environment conditions of open sea areas with the water depth of 100 meters. Meanwhile, the upper module is mainly provided with an oil-gas metering facility, a chemical agent system, an opening and closing exhaust system, an electrical room and a helicopter deck, drilling and repairing machines and tools, living buildings, oil-gas-water treatment facilities, public water facilities, a main power source, an emergency power source system and the like are not arranged, and system facilities on the upper portion of the platform are greatly simplified; and unmanned operation of the platform can be realized, and the investment and operation cost of the platform can be greatly saved.

The invention provides an automatic calibration system for a gas sensor. The automatic calibration system comprises a steel cylinder, a gas mass flow controller, a high- and low-temperature alternate experimental box, a sensor gas hood, a sensor data acquisition circuit and an industrial computer, wherein the steel cylinder, the gas mass flow controller and the sensor gas hood constitute an air distribution system; the industrial computer is connected with the high- and low-temperature alternate experimental box to produce different constant temperatures; the industrial computer is connected with the gas mass flow controller to generate set gas concentrations at different constant temperatures; and the industrial computer is connected with the sensor data acquisition circuit to acquire gas concentration response values of the gas sensor at different constant temperatures and transmit sensor calibration data to the gas sensor. The automatic calibration system has the advantages of scientific design, convenience for using, complete functions, automatic temperature control capability, automatic dynamic air distribution capability, automatic data acquisition capability, automatic datahandling capability, high working efficiency and high reliability.