27results about How to "Realize fully automatic control" patented technology

The invention discloses a tight-lock coupler intelligent tensile testing machine and a testing method thereof, and belongs to the technical field of tight-lock coupler test.The tight-lock coupler intelligent tensile testing machine comprises a mounting bottom plate and an electric control cabinet, and a support for supporting a tight-lock coupler to be detected is mounted on the surface of the mounting bottom plate; a tensile connecting frame for connecting the tight-lock coupler is mounted on the surface of the bottom plate on one side of the support, an integrated design of'tensile force detection and visual detection 'is innovatively adopted, mechanical parameter acquisition and visual deformation observation are combined, traditional mechanical data such as tensile force and displacement are obtained, and visual characteristics such as fine deformation and crack initiation are captured; precise synchronization of pulling force application, displacement collection and camera shooting is achieved through the synchronous controller, the real-time corresponding relation of pulling force-displacement-visual deformation is established, the problems that an existing device is single in detection dimension and poor in data relevance are solved, and the potential quality hazard checking capacity and the persuasion of a detection result are improved.

This utility model belongs to the field of storage device technology, specifically relating to a device and system for collecting leaked ethylene glycol aqueous solution. It includes a collection tank body, a water inlet, a solenoid valve, a vent, a level gauge, a signal terminal, a drain outlet, a detection port, a controller, and a collection tank base. The water inlet is located on the top left side of the collection tank body via a straight pipe, the signal terminal is installed on the top right side of the collection tank body, and the drain outlet is located at the bottom of the collection tank body via a straight pipe. This utility model, through the coordinated design of the collection tank body, solenoid valve, level gauge, and controller, achieves automatic collection and alarm control of leaked ethylene glycol aqueous solution. When the liquid level reaches the alarm threshold, the controller automatically closes the solenoid valve at the water inlet and sends a signal to prevent the leaked liquid from continuing to spread. Simultaneously, manual collection is achieved through the drain outlet, effectively preventing the slightly toxic ethylene glycol aqueous solution from harming people and the environment, and significantly improving the safety of indoor ski resort air conditioning systems.

This invention discloses a hot-melt welding device for large-diameter water supply pipes, the core of which consists of an assembly base, a positioning fixture, a pressurizing component, and a hot-melt component. The positioning fixture is equipped with a sliding base and longitudinal and transverse positioning components, ensuring precise connection of the water supply pipes. The pressurizing component, through a lifting base, a pressurizing unit, and an opening and closing adjustment component, achieves uniform pressure on the welding area, optimizing the welding process. The hot-melt component is responsible for heating the interface, ensuring welding quality. This design significantly improves welding efficiency and connection accuracy. This invention effectively solves the problems of low welding efficiency, poor connection accuracy, and difficulty in guaranteeing welding quality in existing technologies, providing an efficient, precise, and stable technical solution for welding large-diameter water supply pipes.

The invention relates to a multi-machine interconnected automatic punching production line which comprises a conveying mechanism and a plurality of punching machine tools sequentially arranged in the conveying direction of the conveying mechanism, and a linear carrying mechanism is arranged between the punching machine tools and the conveying mechanism. The linear carrying mechanism comprises a base and driving seats, the base and the punching machine tool are arranged in a spaced mode, the driving seats are movably arranged on the base, a material taking mechanism is installed between every two adjacent driving seats, and the material taking mechanisms are used for carrying workpieces between the conveying mechanism and the punching machine tool. The technical problems that when an existing stamping production line adopts a rotary mechanical arm to carry workpieces, the workpieces are prone to being affected by inertia and deviate and slide down, and the occupied space of equipment is large are solved.

The application relates to a pulling belt device and a packaging equipment, wherein the pulling belt device comprises a feeding module and a clamping module, the feeding module comprises a feeding turntable and a plurality of rollers, the feeding turntable is used for cooperating with the plurality of rollers to provide a belt to the clamping module, and at least one of the plurality of rollers is configured to be movable to pull back the belt, and the clamping module is used for clamping the belt and moving in a first direction to pull the belt. The pulling belt device and the packaging equipment can improve the flattening quality of the protective film pull ear and improve the packaging rhythm and product yield.

The utility model belongs to control system technical field, specifically disclose a kind of packing car automation transfer control system, including transfer control module, and transfer control module is connected with AGV control module, WES system, line PLC;Online waiting position and offline waiting position are all included trolley mechanism and guide rail, and trolley mechanism is connected with transfer control module;Guide rail is used to guide the conveying path of packing car;Trolley mechanism is used to push the packing car in online waiting position to transfer waiting position and is used to push the packing car in offline waiting position to transfer waiting position. Through the effective interaction with AGV control module, WES system, line PLC, make the collaborative work between each equipment, according to the real-time state dynamic adjustment operation strategy of production line, avoid material jam and not timely supply and other problems, guarantee the smooth of production process.

The utility model relates to door and window technical field, and disclose a kind of openable door and window based on gas leakage detection, comprising: window body, it has the state of sliding opening and sliding closing;Window body includes: window frame;Fixed interior window;Interior sliding window;Interior sliding window can slide up and down in window frame, and when sliding, window body can be opened or closed;Gas detection module;Control module, it is electrically connected with gas detection module;Drive execution component, it is provided with two groups, one end of two groups of drive execution component is connected with interior sliding window, two groups of drive execution component are connected in series, and after series connection, it is electrically connected with control module;Ventilation auxiliary module, it is electrically connected with control module.In the utility model, indoor gas concentration is detected in real time by gas detection module, once exceeds preset threshold value, control module can quickly generate instruction, drive relevant component work, realize the quick response to gas leakage.

The utility model discloses a hydrogen peroxide production line combined vacuum-pumping system, which is characterized in that a vacuum-pumping main pipe outlet is connected with an extraction opening of a roots vacuum pump, an exhaust opening of the roots vacuum pump is connected with an extraction opening of a liquid ring vacuum pump in series, and an exhaust opening of the liquid ring vacuum pump is connected with a gas inlet at the top of the left side of a gas-liquid separation tank; a right top exhaust port of the gas-liquid separation tank is connected with a tail gas collection device; a vertical middle partition plate is arranged in an inner cavity of the gas-liquid separation tank and divides a tank body into a left cavity and a right cavity, and an overflow channel is reserved between the middle partition plate and the tank top. A pure water replenishing pipe is connected to the left cavity of the gas-liquid separation tank through a pure water replenishing valve; a water outlet in the lower part of the left cavity of the gas-liquid separation tank is connected with a hot side inlet of a cooler through a filter; a hot side outlet of the cooler is connected with a working liquid inlet of a liquid ring vacuum pump; and a water outlet at the bottom of the right cavity of the gas-liquid separation tank is connected with a wastewater discharge pipe through a wastewater discharge valve. According to the system, the vacuum degree and the air exhaust efficiency can be improved, automatic adjustment of the vacuum degree and automatic separation and discharge of waste liquid are achieved, and meanwhile energy consumption is reduced.

The invention discloses a green preparation process of capryloyl hydroxamic acid, and relates to the technical field of fine chemical synthesis. The environment-friendly preparation process of the capryloyl hydroxamic acid at least comprises the following preparation steps: mixing and stirring hydroxylamine sulfate, sodium hydroxide and ethanol, dropwise adding ethyl caprylate, and carrying out oximation reaction to obtain a reaction mixed system; reducing the temperature of the reaction mixed system, dropwise adding concentrated sulfuric acid to adjust the pH value to 6-7, and performing solid-liquid separation to obtain sodium sulfate and capryloyl hydroximic acid mother liquor; and carrying out rotary evaporation on the capryloyl hydroxamic acid mother liquor to recover the ethanol, and carrying out fractional crystallization to obtain the capryloyl hydroxamic acid. The green preparation process of capryloyl hydroxamic acid provided by the invention has the advantages of high raw material utilization rate, strong solvent recycling reusability, high product molar yield, high purity, good chroma, light smell, good corrosion resistance, continuous production, no three wastes in the process, low temperature and normal pressure, safety, green and energy saving, and accords with the green chemical engineering concept of carbon neutralization.

The application discloses a photoelectric encoder code disc non-uniform error detection device, which comprises a machine body, a rotating table, a driving assembly, a abutting assembly and a linkage execution assembly, the top of the machine body is provided with an industrial camera for collecting code disc images, the driving assembly is arranged in the inner side of the rotating table and is in transmission connection with an external motor, the abutting assembly is in linkage with the driving assembly and is radially telescopic along the rotating table, the linkage execution assembly is movably arranged in the rotating table and is matched with the abutting assembly and the driving assembly, in the application, the code disc is placed on the rotating table, and the locking and constraint of the code disc and the rotation driving of the rotating table are sequentially executed by the same driving output end, so that the full-automatic control of reliable positioning of the code disc before image collection and accurate indexing of the code disc at a preset angle during the collection process is realized, and the time-sharing driving mode not only saves the tedious operation of manually adjusting the angle of the code disc or re-clamping the code disc, but also eliminates the positioning deviation and repetitive error caused by manual intervention.

The utility model relates to the field of automobile production and conveying, in particular to a novel skid positioner, which comprises a gear box, a driving clamping arm assembly and a driven clamping arm assembly, the gear box is mounted on a base, ground feet are mounted at four corners of the base, and the driving clamping arm assembly and the driven clamping arm assembly are mounted on the base. The driving clamping arm assembly and the driven clamping arm assembly are both installed in the gear box, the driving clamping arm assembly comprises a driving gear, the driven clamping arm assembly comprises a driven gear, the driving gear is meshed with the driven gear, and the driven gear is meshed with the driving gear. A driving device used for driving the driving gear is arranged on the front portion of the gear box, a detection device is arranged on the rear portion of the gear box, and the problem that at the present stage, due to the fact that the weights of different vehicle types are different, the stopping position of the skid possibly changes, and therefore accurate positioning of the skid cannot be achieved is solved.

The present application provides a kind of glue board stacking manipulator unloading controller structure, including manipulator body and manipulator unloading controller;Wherein unloading controller is arrayed and installed with the two sides of manipulator body, and manipulator unloading controller includes finger control board, finger controller guide slot, finger control board guide slot, hook-shaped clip, rotating finger, clip seat;Wherein control board is installed with tension spring, so that it has the tendency of downward movement, and hook-shaped clip is installed with torsion spring, so that it has the tendency of approaching finger control board;In the finger control board guide slot, finger controller guide slot is provided;Wherein the side wall of finger control board guide slot is fixed by clip seat, and hook-shaped clamping jaw is rotatably arranged on clip seat;The short arm portion of rotating finger is fixed on the side wall of the lower part of control board of finger control board.The whole mechanical structure is low in cost, low in failure rate, long in service life, realizes the full-automatic control of glue stacking.

A kind of constant-power superhigh pressure supercharging system and superhigh pressure processing equipment, including low-pressure drive mechanism, superhigh pressure supercharging mechanism and host computer control mechanism, the low-pressure drive mechanism is driven variable pump (2) by motor (1), variable pump (2) import connects oil tank (19), variable pump (2) export is connected with electro-hydraulic reversing valve (6) import by low-pressure check valve (3), electro-hydraulic reversing valve (6) export connects oil tank (19), and the two working ports of electro-hydraulic reversing valve (6) are connected with the two oil ports of the big piston cavity of supercharging cylinder (7) respectively;The superhigh pressure supercharging mechanism is connected with low-pressure drive mechanism by supercharging cylinder (7), and the small plunger cavity of the left side of supercharging cylinder (7) is connected with first water inlet valve (8.1) and first drain valve (9.1), the small plunger cavity of the right side of supercharging cylinder (7) is connected with second water inlet valve (8.2) and second drain valve (9.2), and the outlet of first drain valve (9.1) and second drain valve (9.2) is communicated and is communicated with processing bin (11) by high-pressure check valve (10);Low-pressure pressure sensor (15), first high-pressure pressure sensor (16), second high-pressure pressure sensor (17), displacement sensor (18) output signal to the input end of host computer control mechanism (20).

This invention provides a method for preparing macaron shells using precise temperature and humidity control during drying, relating to the field of macaron shell preparation technology. This method includes the following specific steps: S1, preparing the batter: Selecting raw materials, including specialty flour, almond flour, powdered sugar, egg white, granulated sugar, and water. The specialty flour, almond flour, and powdered sugar are sieved and stirred twice. The first addition includes the sieved specialty flour, powdered sugar, and half of the egg white; the second addition includes the remaining half of the egg white, granulated sugar, and water, resulting in the batter. By establishing a quantitative relationship model between the total drying time and the initial ambient temperature and relative humidity, and dynamically adjusting the total drying time according to actual environmental conditions, the drying process can adapt to environmental differences in different regions and seasons, eliminating reliance on operator experience and significantly improving the batch stability and environmental adaptability of macaron shell preparation.

The application discloses a roller shutter type filter and a use method, and relates to the technical field of air filtration. The filter comprises a rack, upper and lower winding boxes, upper and lower winding shafts, two driving modules, a flexible belt wound around the upper winding shaft and a filter core clamp head. The lower winding shaft is detachably arranged in the lower winding box. An electromagnetic clutch is arranged between each driving module and the corresponding winding shaft. When new material is added, the filter core clamp head clamps a filter core material head, and the upper winding shaft winds the flexible belt to pull the filter material upward to form a roll. When the material is replaced, the lower winding shaft actively winds, and the upper winding shaft follows to unwind. When the clutch is separated, the rigid connection between the driven end and the driving module is cut off, the unwinding resistance is greatly reduced, and the filter material is prevented from being deformed due to excessive tension. When the clutch is attracted, the inertia of the unwinding end is inhibited by using the structural resistance of the driving module, and the filter material is prevented from being excessively released to cause relaxation. The application concentrates all the material replacement operations at a low place, eliminates the climbing operation, avoids secondary dust pollution, and realizes stable and reliable material replacement.

The application provides a soil dry-wet cycle device with hydrodynamic pressure regulation function and a test method, wherein the soil dry-wet cycle device comprises a test table, a support, a water pump, a water storage tank and an automatic dry-wet cycle mechanism, the automatic dry-wet cycle mechanism comprises a sealing top cover, a dry-wet cycle chamber, a dryer, a soil sample mounting unit and a controller, the soil sample mounting unit comprises a fixing structure, a microporous diaphragm bottom plate, a soil ring knife positioning sleeve frame and a microporous diaphragm top plate, the microporous diaphragm top plate and the microporous diaphragm bottom plate both have water-permeable and air-permeable structures, a first electromagnetic valve is installed on a water inlet pipe, a second electromagnetic valve is installed on a lower drain pipe, dryers are fixedly arranged at air inlets, and the controller is connected with the water pump, the dryers, the first electromagnetic valve and the second electromagnetic valve; and the application further provides a test method. The application can realize automatic quantitative research on the influence of dry-wet cycles on soil characteristics under different conditions in large quantities, and can also research the influence of different ions on soil characteristics in dry-wet cycles.

The invention relates to the technical field of thermosyphon pumps, in particular to a thermosyphon pump suitable for double-end mechanical sealing of a butadiene centrifugal pump, which comprises a pump body, an input pipe is fixedly arranged on one side of the pump body, an output pipe is fixedly arranged at the other end of the pump body, and an isolation cover is fixedly connected to the outer wall of the output pipe. The spiral preheating pipe is arranged on the outer side of the output pipe of the thermosyphon pump, the high-temperature fluid is used for preheating the low-temperature fluid, the high-temperature fluid is used for preheating the low-temperature fluid, the high-temperature fluid is used for preheating the low-temperature fluid, and the low-temperature fluid is used for preheating the low-temperature fluid. Waste heat can be effectively recycled, energy efficiency is improved, energy loss is reduced, the heat treatment process of the system is optimized, the heating efficiency of the thermosyphon pump can be improved, the service life of equipment is prolonged, energy conservation and emission reduction can be facilitated, and finally more efficient and more environment-friendly system operation is achieved. The pump is safer, more efficient and more stable in the conveying process of fluid which is high in temperature, easy to polymerize and easy to leak.

This application relates to the field of mechanical testing technology, and proposes a shield tail sealing test device for a tunnel boring machine (TBM). The device includes a transparent test chamber, a hydraulic loading device, a gas delivery device, and a water supply device. The transparent test chamber contains a tail brush assembly, which divides the chamber into a hydraulic pressure chamber and multiple grease chambers. The hydraulic loading device includes a first hydraulic loading pipe, a first hydraulic piston and a first water circuit reversing valve disposed within the first hydraulic loading pipe, a second hydraulic loading pipe, and a second hydraulic piston and a second water circuit reversing valve disposed within the second hydraulic loading pipe. The first hydraulic loading pipe is connected to the hydraulic pressure chamber via the first water circuit reversing valve, and the second hydraulic loading pipe is also connected to the hydraulic pressure chamber via the second water circuit reversing valve. The gas delivery device is connected to both the first and second hydraulic loading pipes. The water supply device is connected to both the first and second water circuit reversing valves. This application has the effect of stabilizing the pressure of the test water.

This invention discloses a spring impact fatigue testing device, comprising a base mechanism, a height adjustment mechanism, and an impact mechanism. The base mechanism includes a base plate, an adjusting seat plate, and a fixed mounting base, the adjusting seat plate and the fixed mounting base being horizontally adjustable along a relatively vertical path. The height adjustment mechanism includes a lifting bracket, a support base, and a lifting slide, the support base being fixedly connected to the base plate. The impact mechanism includes a swing arm, a swing arm connecting seat, a swing mounting base, and a mounting frame, the swing arm connecting seat being fixed to the side of the lifting slide, the swing arm being pivotally connected to the swing arm connecting seat, the mounting frame being slidably and lockably mounted on the swing arm, the swing mounting base being located on the lower side of the mounting frame, and the upper end face of the fixed mounting base and the lower end face of the swing mounting base respectively having a retaining structure adapted to the shape of the spring end. The height adjustment mechanism is equipped with a lifting control component for adjusting the height of the lifting slide. The impact mechanism is equipped with a drive control component for driving the mounting frame to perform up and down impact actions.

The application relates to an intelligent traffic technology, in particular to a vehicle door opening method, a rail vehicle, a computer device and a readable storage medium. The vehicle door opening method comprises the following steps: determining that a boarding platform is located at a target side of a train, the target side is a left side or a right side of the train, and the train comprises at least two vehicle doors at the target side; if a track section where the train is parked has the boarding platform, determining a to-be-opened vehicle door corresponding to the boarding platform from the at least two vehicle doors; unlocking the to-be-opened vehicle door and isolating the remaining vehicle doors of the train. By using the above vehicle door opening method, the opening of a specific vehicle door can be intelligently controlled.

The invention is suitable for the technical field of spring detection, and provides a belleville spring overpressure detection device which comprises a detection frame. The detection frame comprises a fixing ring; a rotating disc is rotationally arranged on the inner wall of the fixing ring; a plurality of bearing parts are uniformly and fixedly mounted on the surface of the rotating disc; a C-shaped conical table is fixed to the top of the supporting plate. A lifting part in sliding fit with each two adjacent lug plates is arranged on the outer wall of the detection table in a sliding manner; a rotating part coaxial with the detection table is rotationally arranged on the detection table; according to the device, the plurality of bearing parts are driven by the rotating disc to circularly work, so that continuous and multi-station detection is realized, and the batch detection time is greatly shortened; and a mechanical self-locking structure in which the pawl is matched with the ratchet is adopted, so that the pressure is stable and not relaxed in the pressure maintaining stage, the lifting part is automatically locked in the pressure maintaining stage, the pressure is prevented from returning, and the accuracy of detection data is ensured.

The utility model relates to the technical field of low pressure casting mould of aluminium alloy wheel hub, and disclose a low pressure casting mould telescopic weight reduction mechanism, it includes top die, the telescopic block is movably connected with the corresponding wheel hub blank groove part on top die, top die corresponding wheel hub blank groove part is provided with the through -hole, the telescopic block sliding connection through -hole, the tail end of telescopic block is provided with driven rack along the radial, the driving gear is rotatably connected in the back cavity of top die, is provided with the drive bar corresponding driving gear, is provided with driving rack on drive bar, and driven rack and driving rack are respectively engaged in the two sides of driving gear. The utility model solves the demoulding problem of the groove wheel type, improves the demoulding success rate, reduces the casting damage and mould consumption caused by the demoulding difficulty, and simultaneously the utility model can directly form the groove part of wheel hub blank through mould design, avoids the traditional forming mode of removing invalid metal through a large number of machining operations, improves the metal utilization, and reduces the production cost.

The invention discloses a resource recycling method and system for ammonia-containing gas, and the method comprises the following steps: firstly, introducing the ammonia-containing gas into a gas-liquid separation pretreatment area at the bottom of a device, and carrying out step-by-step gas-liquid separation and impurity purification through a horizontal spiral channel disc, a wire mesh demister and an iron oxide absorption layer; the purified gas enters an ammonia gas absorption reaction area in the middle and is subjected to countercurrent contact reaction with absorption liquid in a filler layer; the generated ammonium salt recovery liquid is pumped into an ammonium salt crystallization area at the top under the regulation and control of an automatic control system, and an ammonium salt crystal product is finally obtained through evaporation concentration, gradient crystallization and vibration screening; the method is realized by a system integrating three functional areas of gas-liquid separation, ammonia gas absorption and evaporative crystallization. According to the invention, efficient absorption of ammonia components in ammonia-containing gas and resource recovery of ammonium salt products are realized, and the method has the advantages of compact process and high operation automation degree.

The application belongs to the technical field of detection equipment, and particularly relates to a ferric ion detection equipment. The ferric ion detection equipment is provided with a storage unit containing a diluent storage tank and a prefabricated bottle, a diluent conveying pipeline connecting the diluent storage tank and the prefabricated bottle, and a liquid level sensor arranged on the prefabricated bottle, so that the ferric ion detection equipment can accurately determine the volume of the reaction liquid in the prefabricated bottle, thereby realizing automatic preparation of the reaction liquid. Therefore, in the actual operation process, the accurate addition of reagents or diluents can be completed without manual intervention, which not only improves the automation degree of operation, but also significantly improves the consistency, repeatability and accuracy of the detection process. At the same time, the structure design effectively reduces the problems such as sample addition error caused by human operation, further ensuring the reliability of the detection result.

The present invention discloses an ethoxylation and propoxylation reaction system, and relates to the technical field of ethoxylation and propoxylation reaction, the ethoxylation and propoxylation reaction system comprises a reaction kettle, the reaction kettle is connected with a material supply system, the material supply system is used for conveying raw materials and an initiator into the reaction kettle, and a circulation discharge port of the reaction kettle is connected to an input end of a circulation pump through a discharge pipe. The output end of the circulating pump is connected with a tubular circulating pipeline and a spray circulating pipeline in parallel; a tubular circulating heater and a tubular circulating cooler are arranged on the tubular circulating pipeline, and fluid on the tubular circulating pipeline can flow through a first heat exchange channel of the tubular circulating heater and a first heat exchange channel of the tubular circulating cooler in sequence; a spray circulation heater and a spray circulation cooler are arranged on the spray circulation pipeline, and fluid on the spray circulation pipeline can flow through the first heat exchange channels of the spray circulation heater and the spray circulation cooler in sequence. According to the invention, continuous conversion between a heating working process and a cooling working process can be realized.

This invention discloses an automated control system for flash ignition in the sulfuric acid process for titanium dioxide production, relating to the field of chemical automation control technology. It includes a flash drying hot air furnace and a titanium dioxide flash drying main unit. The ignition port of the flash drying hot air furnace is connected to an ignition pipeline, and an ignition electrode is installed on the furnace. The flash drying hot air furnace is connected to the titanium dioxide flash drying main unit, which is connected to an induced draft fan. The gas pipeline and the ignition pipeline are combined and connected to natural gas. A first shut-off valve, a second shut-off valve, and a gas valve group are sequentially installed on the gas pipeline from the natural gas inlet direction. An ignition solenoid valve group is installed on the ignition pipeline. This invention achieves one-button start of the flash ignition process and realizes fully automated control and circulation of the flash ignition feeding process. This invention also relates to an automatic control method for this automated control system for flash ignition in the sulfuric acid process for titanium dioxide production.

The invention relates to a liquid level control system and method for molten aluminum casting, and the system is characterized in that a liquid level detection unit is arranged at the bottom of a first launder, is located right above a first position of a second launder, and is used for detecting the liquid level height of molten aluminum; the flow blocking unit is arranged at a flow opening of the first flow groove and used for adjusting the size of the flow opening; the image acquisition unit is arranged above a second position of the second launder and is used for acquiring liquid level image information of the molten aluminum; the image analysis unit is connected with the image acquisition unit and used for analyzing the liquid level image information; the accident pretreatment unit is connected with the first launder and is used for tipping the first launder; the control unit is connected with the liquid level detection unit and the flow blocking unit so as to receive a signal of the liquid level detection unit and send an operation instruction to the flow blocking unit; the control unit is further connected with the image analysis unit and the accident preprocessing unit so as to receive a signal of the image analysis unit and send an operation instruction to the accident preprocessing unit. The qualified rate of finished products is increased, and safety accidents are avoided.