2370 results about "Material supply" patented technology

The invention discloses a smart warehouse material sorting two-stage scheduling method based on an embedded neighborhood search strategy genetic algorithm, relates to the field of smart logistics scheduling, and is used for solving the problem of warehouse material sorting scheduling in enterprise production logistics links. The method comprises the following steps: under the condition of considering the heterogeneity characteristics of a production line, establishing an order task batching and batching path optimization two-stage optimization model taking the minimum total cost of order picking order delay as a target function, calling a channel type storage picking path strategy, and providing four neighborhood search strategies, and a traditional genetic algorithm is improved by embedding a neighborhood search strategy to solve problems. According to the method, to-be-sorted order batching and batch grouping path planning automation is realized, so that the total order sorting delay cost is minimized, and the problem of'order batching-path planning 'two-stage scheduling of storage sorting in the production material supply process of an enterprise can be solved, so that the comprehensive benefits of production logistics are improved, and the purposes of reducing cost and improving efficiency are achieved.

The invention relates to the technical field of building construction regulation and control, and discloses an efficient construction multi-element real-time dynamic regulation and control method based on an intelligent algorithm, and the method comprises the steps: building a personnel database, and recording the competent work types, skill levels and working experience of personnel; according to a construction project, screening personnel based on an intelligent algorithm, and performing personnel allocation; monitoring the material inventory of the construction project in real time; acquiring data of personnel position, material supply, equipment operation state, construction progress and construction quality of the construction site; based on an intelligent algorithm, adjusting task distribution of the personnel according to the acquired personnel position state data; according to the efficient construction multi-element real-time dynamic regulation and control method based on the intelligent algorithm, human resources can be reasonably utilized, supply of construction materials is guaranteed, the construction efficiency can be effectively improved, the construction quality is guaranteed, and the construction cost is reduced.

The invention relates to the technical field of resource management, in particular to an intelligent road construction control system and method, and the system comprises a resource distribution optimization module which carries out the statistics of equipment working hours and task demands of subarea road sections based on pavement materials and construction equipment, matches the available working hours and task demands of the equipment, and calculates a manual working hour distribution difference value; and comparing the equipment availability with the manual availability. According to the invention, by matching the working hours and task requirements of pavement materials and construction equipment, optimizing resource allocation, reducing resource waste and redundancy, adjusting the working time between tasks and the resource utilization rate sequence, preferentially meeting the key task requirements, improving the task execution efficiency, and evaluating the material supply period and the equipment allocation conflict; task intervals and equipment plans are dynamically adjusted, delay caused by insufficient resources is reduced, task coordination is optimized in combination with time nodes and equipment distribution, environment change and equipment deviation are monitored, task and resource allocation is adjusted in real time, and construction efficiency and continuity are improved.

The invention provides an intelligent construction site real-time monitoring and intelligent scheduling optimization method and system, and relates to the technical field of construction scheduling optimization, and the method comprises the steps: collecting the real-time monitoring data of a construction site, constructing a material consumption thermal distribution diagram, calculating the real-time relative distance between a constructor and equipment, and determining the safety risk level. And determining a material supply sequence and an optimal distribution route based on the thermal gradient and the security risk, generating a scheduling instruction, and ensuring the reliability of the instruction through multi-node voting and smart contract verification. According to the invention, accurate scheduling of construction resources and real-time monitoring of safety risks are realized, and the construction efficiency and safety are improved.

The invention discloses an efficient feeding intelligent warehouse management method and device based on the Internet of Things. The efficient feeding intelligent warehouse management method based on the Internet of Things comprises the following steps: acquiring data elements, and preprocessing the data elements; constructing a demand prediction model through a Fourier algorithm, an autoregression algorithm and a parallel movement method; determining a feeding sequence and a scheduling plan according to the demand prediction result; the inventory remaining amount is obtained, and a multi-level inventory early warning mechanism is set according to the inventory remaining amount; order emergency degrees are obtained, order priorities are determined according to the order emergency degrees, and order sequences are reordered; adjusting the scheduling plan according to the reordered order sequence; and the AGV and the robot are used for feeding according to the scheduling plan. Through the Fourier algorithm, the autoregression algorithm and the parallel movement method, the order demand in a period of time in the future is predicted, the effect of improving the feeding efficiency is achieved, and the problem of low feeding efficiency in the prior art is solved.

To provide a technology for stably supplying a gaseous material to a processing space.SOLUTION: A material monitoring system includes multiple containers configured to store materials, a flow controller that controls the flow rate of the materials supplied to a processing space where a processing target is arranged by adjusting the opening degree of a control valve, multiple pipes that are respectively connected between the flow controller and the multiple containers, multiple opening / closing valves each provided in each of the multiple pipes, and a control unit configured to supply the material from one of the multiple containers to the processing space via the flow controller when the opening degree of the control valve of the flow controller does not reach a preset threshold value and to supply the material from two or more of the multiple containers to the processing space via the flow controller while setting an opening / closing valve provided between another container than the one container and the flow controller to an opening state when the opening degree of the control valve of the flow controller reaches the threshold value.SELECTED DRAWING: Figure 5

The invention provides an integrated plan management method, system and device based on a supply chain plan engine and a medium, and the method comprises the steps: obtaining a data source, and determining material data and supply and demand data according to the data source; determining a top-layer material according to the material data, and determining a corresponding hierarchy number for each material based on a hierarchical relationship between the top-layer material and other materials; traversing the materials of each level according to the order of the level number, and screening the demand information of each material from the supply and demand data based on the unique identifier of each material; calculating a priority integral of the demand item of each material according to the demand information, wherein the priority integral is used for performing priority ranking on each demand item; and matching the corresponding supply information for each demand item in sequence according to the priority sequence, and carrying out supply and demand reduction operation to ensure that the material supply is matched with the production demand, thereby greatly improving the supply chain material management efficiency.

The invention discloses a material digital centralized management and control system based on the Internet of Things, which relates to the technical field of digital management and control and comprises a supply chain management unit, a loss management unit, a cost accounting unit, an inventory management unit, a dynamic adjustment unit and a user management unit. The system can accurately plan the purchase quantity and time, screen high-quality suppliers, guarantee the quality and stability of material supply from the source, deeply analyze the loss data in transportation, storage and processing, formulate a targeted strategy, reduce material loss, reduce waste, dynamically check the cost in real time, perform apportionment analysis according to different dimensions, and accurately control the cost. Through intelligent warehouse-in and warehouse-out management, regular inventory checking and intelligent inventory prediction, it is ensured that inventory data is accurate, inventory is reasonably planned, an inventory strategy is dynamically adjusted, inventory overstock or stockout is reduced, and inventory cost and service level are balanced.

The present invention provides a multimodal transport method for emergency materials based on emergency scenarios, which determines the key nodes of materials and effective transportation information according to the current emergency scenario information, constructs the current emergency material joint transport network, determines the transportation priority corresponding to the material demand point, obtains the material demand corresponding to the material demand point and the transportation capacity information of the current emergency material joint transport network, sets constraints, initializes multiple transport paths according to the constraints, and then determines the objective function, updates the transport path using a damage repair algorithm to obtain a new transport path, and re-determines the objective function, iterates and updates the preset number of times to reach the preset stop condition, and obtains the final objective function. The optimal transport path corresponding to the final objective function is a multimodal transport plan that transports emergency materials from the material supply point to the material demand point via the material transfer point. The present application can achieve the joint transportation of emergency materials in a shorter time and at a lower cost.

The invention discloses a material supply and resource recovery collaborative scheduling method and system, and belongs to the technical field of logistics scheduling, and the method comprises the steps: obtaining a material supply instruction and a garbage recovery instruction, carrying out the image recognition of a building garbage picture, obtaining the garbage attribute, and generating a demand instruction library; the method comprises the following steps: establishing a feature knowledge base, setting a spatial clustering method, carrying out spatial clustering and time window screening, carrying out geographic coordinate analysis and time sequence sorting on material demand points and recovery points, generating an initial task pool, setting a loading matching method, and generating a material supply and recovery loading schematic diagram according to building material and garbage attributes; a circulation path is planned, a path planning method is set, an ant colony algorithm is used for initial path planning, a monitoring feedback method is set, data are returned in real time, the running state of the vehicle is monitored, and an alarm is given out immediately once abnormity is found; and the sorted and regenerated aggregate data is synchronized to a building material database, a resource feedback method is set, a reverse transportation task is identified, and a material supply and resource recovery closed loop is formed.

The invention discloses a material insurance supply method and system based on big data material performance monitoring, and belongs to the technical field of material supply, and the method comprises the following steps: constructing a supply topological graph according to the historical transportation data of suppliers; acquiring corresponding historical environment data based on the supply topological graph, and constructing an environment vulnerability weight of each topological side line in the supply topological graph based on an environment change frequency in the historical environment data; based on the supply topological graph, a supply association relationship of suppliers is obtained according to the supply type, and a supplier risk bearing coefficient is obtained according to historical supply data of the suppliers and the supply association relationship; and outputting a material insurance supply strategy based on the future environment information, the environment fragility weight and the supplier risk bearing coefficient. According to the method, the timeliness of adjustment of the material supply distribution strategy is ensured by considering the risk in the transportation process in advance, neglect of high-flexibility suppliers is avoided through the risk bearing capability of the suppliers, and the accuracy of material supply distribution is ensured.

The invention discloses an electric power material supply management and control system and a method thereof. The electric power material supply management and control system comprises a master control center, a sub-control center, a material warehouse, a mobile control terminal and a data processing platform. The electric power material supply management and control method comprises the following steps: S1, material demand prediction; s2, intelligent scheduling; s3, performing real-time monitoring; s4, risk assessment and early warning; and S5, emergency response is carried out. The electric power material supply management and control system and the method thereof can improve the material supply efficiency, enhance the decision support capability, make the decision more accurate and efficient, help to optimize resource configuration, improve the overall operation efficiency, improve the transparency and visualization of a supply chain, enhance risk management, guarantee the safe and stable operation of a power grid, improve the emergency response speed, and improve the power supply efficiency. The resource allocation is optimized, the inventory cost is reduced, the fund utilization efficiency is improved, the optimal allocation of resources is realized, and the electric power material requirements of each region can be better met.

The invention discloses an automatic product feeding and discharging mechanism which comprises a rack, a feeding device, a taking device, a pin cutting device, a product conveying line and a feeding jig. The feeding device, the taking device, the pin cutting device and the product conveying line are arranged on the rack, and the feeding jig is conveyed to the product conveying line. The feeding device comprises a feeding temporary storage assembly, a discharging temporary storage assembly and a material disc conveying assembly, and material discs are alternately and temporarily stored on the feeding temporary storage assembly and the discharging temporary storage assembly through the material disc conveying assembly. The material taking device comprises a first material taking mechanical arm and a second material taking mechanical arm, and the first material taking mechanical arm is used for grabbing workpieces of the material supply device and placing the workpieces on the product conveying line for feeding and grabbing workpieces of the foot cutting device and placing the workpieces on the material supply device for discharging. The second material taking mechanical arm grabs the workpieces on the product conveying line and places the workpieces on the foot cutting device for foot cutting. The automatic feeding and discharging mechanism for the products can temporarily store and alternate the trays, is matched with a material taking device to complete automatic feeding and discharging, and is small in occupied space and high in automation degree.

The utility model discloses a valve guide pipe feeding device. The valve guide pipe feeding device comprises a feeding mechanism, a distributing mechanism arranged on a rack and a feeding mechanism arranged on the rack. The feeding mechanism comprises a feeding support, a box body is arranged on the feeding support, a door is arranged on the side portion of the box body, and a box cover is arranged on the top of the box body. A bottom plate is obliquely arranged at the bottom of the box body, and the height of the first end of the bottom plate is smaller than that of the second end of the bottom plate; the box body is located at the first end of the bottom plate, a box body opening is formed in the end of the box body, a material receiving assembly is arranged at the position of the box body opening, and a material supply power piece is further arranged on the material supply support and used for conveying the valve guide pipes falling into the material receiving assembly to a press fitting station. According to the valve guide pipe feeding device, the feeding efficiency of valve guide pipes can be improved, the labor intensity of operators is reduced, the production cost is reduced, and the economic benefits of enterprises are improved.

The invention discloses a cigarette auxiliary material ex-warehouse scheduling method and system, and belongs to the technical field of auxiliary material ex-warehouse scheduling, and the method comprises the steps that a warehouse management system generates an auxiliary material ex-warehouse task according to a material demand application, and forwards the auxiliary material ex-warehouse task to a warehouse control system; the storage control system directs a four-way shuttle vehicle to go to a designated goods location distributed by the storage management system to grab cigarette auxiliary material trays, and then the cigarette auxiliary material trays are transported to an auxiliary material balance warehouse outlet area reciprocating elevator along a track of the four-way shuttle vehicle; descending to a goods placing platform of the warehouse-out area through a reciprocating elevator of the warehouse-out area; and the warehousing control system dispatches the forklift AGV to go to a warehouse-out station, extracts the cigarette auxiliary material trays in a to-be-carried state and conveys the cigarette auxiliary material trays to the corresponding rolling and packing workshop machine tables. According to the invention, auxiliary material supply errors caused by artificial judgment errors or unsmooth information communication are avoided, the use condition of the goods allocation can be mastered in real time, and the accuracy of inventory management is improved.

The utility model provides a flexible material distributing and rotating device. The flexible material distributing and rotating device comprises a base, a rotating assembly, a material bearing piece and a beating assembly. The rotating assembly comprises a rotating driving part and a rotating disc, the rotating driving part is fixed to the base, and the rotating disc is arranged on the surface of the base and circumferentially rotates relative to the base along with the rotating driving part. The material bearing piece is laid on the surface of the rotating disc so as to rotate along with the rotating disc, the material bearing piece is provided with a flexible material overturning area, and the rotating disc is provided with a hollow area corresponding to the flexible material overturning area. The beating assembly comprises a beating driving part and a beating part, the beating driving part is fixedly connected to the bottom of the base, the beating part is connected to the output end of the beating driving part and is opposite to the beating window, and the rotating surface of the beating part is basically perpendicular to the material bearing part; when the striking piece rotates, the top end of the striking piece penetrates through the striking window in the base and the hollowed-out area in the rotating disc to abut against the flexible material overturning area in an interference mode, and the flexible material overturning area is struck so that the flexible material overturning area can vibrate and drive materials borne by the flexible material overturning area to be separated and overturned.

The invention relates to the technical field of food processing, and particularly discloses a meat pickling machine for marinated product processing, which comprises a movable base, a roller assembly and a driving assembly are arranged on the movable base, a pickling material supply assembly is arranged on the movable base, the roller assembly comprises a cylinder, one end of the cylinder is connected with a conical feeding end, and the other end of the cylinder is connected with a pickling material supply assembly. A sealing cover is arranged at an opening of the conical feeding end, an end ring is concentrically arranged at the other end of the barrel, a supporting assembly which is rotationally connected with the end ring in a sealed mode is fixed to the movable base, and a rubbing and pickling mechanism is arranged in the barrel; according to the invention, the defects that pickling materials are always located at the bottom of a roller and cannot be in all-directional contact with the upper layer and the lower layer of a meat product for pickling in the pickling process of an existing roller rubbing pickling machine are effectively overcome, and the meat product in the falling process can be in hard contact with a convex part on a throwing and striking plate through the design of a rubbing pickling mechanism so as to realize collision; and pickling materials scattered on the surface can be fully absorbed, so that the pickling effect and speed of meat products are greatly improved.

The present application relates to the field of intelligent manufacturing technology, and discloses an intelligent ring network cabinet automatic production control system and production control method. The system includes: a data acquisition and preprocessing module, which is used to collect equipment status, task progress, and material supply data in the production process in real time, and preprocess the data; a multi-stage recursive optimization scheduling module, which is used to generate production scheduling decisions based on preprocessed data, and recursively optimize at each production stage to minimize the total production time and maximize production efficiency; the method includes: real-time collection of production equipment status, task progress, and material supply information, and preprocessing the collected data. The present invention adopts a real-time data acquisition and preprocessing technical solution based on Internet of Things devices, sensors, and production management software, achieving the technical effect of real-time and accurate collection of key data such as equipment status, task progress, and material supply in the production process.

Provided herein are devices and systems for depositing a material or manufacturing a product, such as a pharmaceutical dosage form, by additive manufacturing. Further provided are methods of using the devices and systems, as well as methods of manufacturing a product, such as a pharmaceutical dosage form, by additive manufacturing. In certain embodiments, the device includes a material supply system configured to melt a pressurized a material, a pressure sensor configured to detect a pressure of the material within the device, and a control switch comprising a sealing needle operable in an open position and closed position. The sealing needle extends through a feed channel containing the material and includes a taper end, wherein the tapered end of the sealing needle engages a tapered inner surface of a nozzle to inhibit flow of the material through the nozzle when the sealing needle is in the closed position.

The invention provides a big data-based material demand analysis and prediction method and device and a storage medium, and the method comprises the steps: obtaining a multi-source historical material data set of a supply chain link where a target enterprise is located, carrying out the cross-link integration processing of the multi-source historical material data set, and obtaining a cross-link integrated data set, performing demand feature extraction processing on the cross-link integrated data set to obtain a material demand dynamic feature and a material trend evolution feature of each material circulation sequence, and based on a preset dynamic analysis model, performing joint trend matching processing on the material demand dynamic feature and the material trend evolution feature to obtain a material demand dynamic feature and a material trend evolution feature; and generating a predicted demand distribution result of the material circulation sequence, generating a material supply optimization strategy according to the predicted demand distribution result, and feeding back the material supply optimization strategy to the supply chain management system to trigger material allocation operation. According to the method, the hysteresis of manual decision making can be avoided, and meanwhile, the accuracy and the anti-interference capability of strategy execution are enhanced.

The invention relates to an operation method of an unattended intelligent mobile emergency cabin. Comprising the steps of system initialization, material information configuration, authority verification, order generation, material warehouse-in and warehouse-out, inventory monitoring, intelligent prediction, decision support, data processing and synchronization and the like. Various parameters are obtained and configured through the system configuration module, material information is managed through the material detail directory tree module, accuracy of access authority is ensured through the face recognition and authority verification module, and automatic order generation and inventory updating are achieved through the automatic order generation and inventory updating module. A gravity sensing unit is used for monitoring warehouse-in and warehouse-out of materials, an inventory alarm and decision-making auxiliary module is used for monitoring an inventory state and sending an alarm signal, an intelligent prediction unit is used for predicting a material use trend and generating a replenishment plan, and finally data processing and synchronous management are realized through a data processing module. Manual operation is reduced, management efficiency is improved, timeliness and reliability of material supply are ensured, and the method is suitable for the fields of electric power engineering and the like.

The invention discloses a double-layer high-precision vibration disc and a screening track thereof. The vibration disc comprises a vibration disc base, a first vibration disc device and a second vibration disc device. The first vibration disc device comprises an inner vibrator, an inner vibration disc and an inner spiral feeding rail. The second vibration disc device comprises an outer vibrator, an outer vibration disc and an outer spiral feeding track; the primary screening efficiency can be improved through the high vibration frequency of the inner vibrator, the workpiece directional conveying and arranging precision can be improved through the low vibration frequency of the outer vibrator, and therefore the feeding precision and reliability are improved; the material screening track comprises a track vibrator, a track supporting base and a material screening conveying device. The material screening and conveying device comprises a first rail mechanism, a second rail mechanism and a third rail mechanism. The device further comprises a first screening channel and a second screening channel. And through different widths of the first screening channel and the second screening channel, fine screening of the workpieces is achieved, and the screening precision and efficiency are improved.

A recording material conveying device includes: a first conveyor that conveys a recording material supplied from a recording material supply part; a second conveyor that branches from the first conveyor and conveys the recording material without passing through an image forming part; a third conveyor that branches from the first conveyor and conveys the recording material via the image forming part; and a detector that detects a recording material characteristic of the recording material, wherein the recording material whose recording material characteristic has been detected by the detector can be ejected from the second conveyor.

The invention discloses a block chain-based new energy vehicle green composite material supply chain quality monitoring method. The method comprises the steps of S1, establishing a decentralized block chain platform; s2, installing an Internet of Things sensor in each link of the supply chain; s3, using an intelligent contract in the block chain platform to automatically record operation details of production, storage and transportation processes, and monitoring environment data and state data; s4, when the environment data and the state data display that a certain link has deviation, the intelligent contract automatically triggers an alarm mechanism to inform related personnel or automatically adjust the production process; and S5, setting a block chain information query system which can be accessed by the supply chain participant in the block chain platform. According to the block chain platform, all authorized supply chain participants are allowed to access and verify each data record in the supply chain, so that the transparency of operation is increased, and the whole process from a raw material source to a final product is traced through the complete record of the data.

The invention discloses a tunnel collapse emergency rescue material supply method and system, and relates to the technical field of tunnel collapse emergency rescue, and the method comprises the following steps: in the tunnel construction process, a rescue small-diameter pipeline is arranged from a tunnel face to a secondary lining end along a tunnel primary support surface or an excavation free face; high-precision pressure sensors are installed at the rescue end and the tunnel face end respectively and used for monitoring the pressure change condition in the pipeline in real time, and measurement data of all the pressure sensors are transmitted back to a monitoring center through wireless data transmission or wired optical fibers so as to be analyzed in real time; through the installed pressure sensor, pressure data of the tunnel face end are collected in real time, continuous time sequence data are established, and the collected data are preprocessed. According to the method, the survival probability of trapped persons in collapse accidents can be effectively increased, serious consequences caused by failure of a conveying system are reduced, and the tunnel construction safety and rescue efficiency are remarkably improved.

The invention provides a risk monitoring method and system based on power grid material supply chain operation. The supply chain management efficiency is remarkably improved through an intelligent risk identification process. The method comprises the following steps: firstly, acquiring power grid material consumption data from a historical database, and calculating the consumption speed and consumption of various materials according to a bill of materials; and key monitoring materials are screened out through the preset consumption monitoring threshold value, so that tedious data processing on all the materials is avoided. And for the screened monitored materials, the system further collects storage, production and logistics data of the screened monitored materials, and evaluates the risk degree by using a pre-trained supply chain risk identification model. And when the material supply chain risk degree exceeds a preset threshold value, defining the material as a supply risk material. The accurate risk monitoring method not only reduces the calculation overhead of data processing, but also can identify potential supply chain risks in time, and provides a more efficient and intelligent solution for power grid material management.

The invention discloses a pipe blockage cleaning device suitable for the cementing material supply process, and belongs to the technical field of cementing material conveying, the pipe blockage cleaning device comprises a material conveying pipe connected to the output end of a down-leading type bin pump, a conveying valve is installed on the material conveying pipe, and a connecting pipe is installed on the material conveying pipe in a communicating mode; the upper end of the connecting pipe is connected with a blockage removing valve, and a circulating blockage removing pipe is connected between the blockage removing valve and the upper end of the stock bin; a pressure adjusting pipe is fixedly installed on the side wall of the connecting pipe in a communicating mode, a pressure adjusting assembly is arranged on the inner side of the pressure adjusting pipe, an unblocking rotating rod is rotatably installed on the inner side of the material conveying pipe, and storage containing grooves are evenly formed in the unblocking rotating rod. According to the blocked pipe cleaning device suitable for the cementing material supply process, a pipeline can be driven to vibrate through air pressure changes, blocking materials can be loosened, residual materials on the pipe wall can be cleaned, and the blocking cleaning effect is effectively improved.

The invention belongs to the technical field of plate production management, and particularly relates to a multicolor quartz stone plate production feeding system which comprises a formula input module, a feeding control module, a raw material input monitoring module, a matching accuracy analysis module, a raw material mixing evaluation module and a feeding management center. The raw material formula is sent to the material supply control module through the formula input module, the material supply control module controls automatic conveying of various raw materials based on the raw material formula, the raw material proportioning accuracy is analyzed after conveying of the various raw materials is completed, a stirring machine is started and operated through the material supply control module when a proportioning high-accuracy signal is generated, and the raw material proportioning accuracy is improved. And when stirring is finished, the materials at a plurality of positions in the stirring machine are sampled and detected, and the raw material mixing effect is accurately evaluated, so that the adverse effect on the quality of the produced quartz stone plate is reduced, the operation management difficulty of management personnel is remarkably reduced, and the automation and intelligence degrees are high.

The invention relates to the technical field of semiconductor equipment, and provides vertical epitaxy equipment and an epitaxy method. The apparatus comprises: a vertical reaction chamber; the wafer boat is used for vertically loading a plurality of wafers at intervals; the driving device is used for driving the boat to enter / exit the vertical reaction cavity; the material supply assembly comprises a process supply pipeline and a switching unit; the process material source comprises a cleaning material source for removing an oxide layer on the surface of the wafer and an epitaxial material source for executing an epitaxial process; the process monitoring device is used for monitoring process end points of the cleaning process and the epitaxial process; and the control device is in communication connection with the switching unit and the process monitoring device, and controls the switching unit to switch the supply of the material source according to the monitoring result of the process monitoring device. According to the vertical epitaxial equipment, the epitaxial process can be continuously executed without transferring the wafers after the oxide removal process of the plurality of wafers is executed in situ in the equipment, so that the output rate and the yield of the equipment are improved, the cost is reduced, and the fragment and pollution risks are reduced.

The invention provides an early warning method in construction temporary warehouse electric power material supply, which comprises the following steps: establishing a three-dimensional electromagnetic field distribution model based on actual environment influence according to a relative position relationship between a highway construction temporary warehouse and a high-voltage transmission line, and obtaining electromagnetic environment theoretical distribution of each warehouse; in the temporary warehouse, electromagnetic sensors are arranged according to materials, highly sensitive to electromagnetic interference, of electronic components, and large-dynamic-range electromagnetic sensors are arranged according to materials, high in electromagnetic field induction, of metal materials; monitoring data collected by various electromagnetic sensors of the warehouse are transmitted back to a power grid dispatching center in real time through the low-power-consumption wide-area Internet of Things and are associated with warehouse material structure parameters, and a database is constructed; historical data of a power grid load and an electromagnetic environment are mined, an association rule of an electromagnetic interference characteristic and a power transmission line operation condition is extracted, and a collaborative prediction model of a multi-warehouse electromagnetic safety situation is established.