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387results about How to "Reduce production capacity" patented technology

Furniture production task automatic matching method and system based on intelligent manufacturing

The invention relates to the technical field of production task decision making, in particular to a furniture production task automatic matching method and system based on intelligent manufacturing. And extracting personalized demand information corresponding to the production task, converting the personalized demand information into standard design parameters, and generating a customized task. The production task is disassembled into a plurality of sub-tasks, and each sub-task has independent attributes including process requirements, resource requirements and time requirements; and performing one-to-one mapping on the customized tasks and the subtasks to generate an execution plan. Performing resource matching by using a constraint algorithm based on the execution plan and the existing production resource information to obtain a production plan; and obtaining an optimal scheduling plan by using a constraint algorithm according to the production plan. And based on the real-time production data and the burst information, adjusting the optimal scheduling plan through the data analysis model to obtain a final scheduling plan. The method can cope with emergencies or real-time data changes, and manual decisions are reduced.
Owner:ZHUJI FANGJIE FURNITURE CO LTD

Lentinus edodes double-arm picking equipment for shelf type planting and operation method thereof

The invention provides double-arm picking equipment for shelf-type planted shiitake mushrooms and an operation method thereof. The double-arm picking equipment comprises a moving platform, the upper portion of the moving platform is connected with a chassis, and a lifting device, a shiitake mushroom storage device and a shiitake mushroom picking device are arranged above the chassis. Through mechanical automatic mushroom stick fixing and mushroom picking, intelligent identification, picking and placing of mushroom sticks on a shelf and identification and picking of mushrooms on the mushroom sticks can be carried out at the same time, planting areas can be traversed automatically, the mushroom picking speed is increased, and labor and time cost is saved. Three-dimensional scanning is carried out through the depth camera vision system, the position and size of the mushroom sticks and the maturity of mushrooms can be accurately recognized, and it is ensured that the quality of picked mushrooms is high. The lifting device adjusts the height of the mechanical arm and cooperates with a visual system, picking and mushroom stick processing are more accurate, damage to mushrooms and mushroom sticks is reduced, mushroom picking automation is achieved, operators do not need to put physical labor heavily, and the workload is relieved.
Owner:NANJING AGRI MECHANIZATION INST MIN OF AGRI

Multi-warehouse intelligent distribution and scheduling method for raw material inventory

The invention discloses a multi-warehouse intelligent distribution and scheduling method for raw material inventory. The method comprises the following steps: collecting raw material inventory data of each warehouse, and monitoring the inventory data of the warehouses in real time; based on the real-time inventory data and the historical inventory data, the inventory state of each warehouse is analyzed to determine the inventory balance state of each warehouse, and the warehouses with excess or short inventory are identified; and calculating an optimal inventory distribution scheme by adopting a dynamic adjustment algorithm based on an inventory state analysis result. According to the invention, by collecting the real-time inventory data and the historical inventory data, the inventory state of each warehouse is deeply analyzed, the inventory balance state is determined, and the warehouse with excess or short inventory is identified. Through the real-time data monitoring and analysis, the system can provide accurate inventory early warning, help managers to take measures in time, avoid production interruption and resource waste, and improve the accuracy and predictability of inventory management.
Owner:BEIJING RICHAUTO S&T CO LTD

Intelligent ink droplet control method and system of digital printing machine and digital printing machine

The invention relates to the technical field of digital printing machines, in particular to an intelligent ink droplet control method and system of a digital printing machine and the digital printing machine. The method comprises the steps of real-time data acquisition, multi-dimensional parameter modeling, real-time ink droplet behavior prediction, self-adaptive ink jet parameter adjustment, closed-loop feedback control, medium characteristic self-adaptive matching, intelligent multi-region optimization and environmental factor compensation. Ink droplet behaviors and environmental data are collected in real time through a high-speed camera and various sensors, a nonlinear model is constructed by using a deep learning technology, and a dynamic parameter optimization curve is generated. According to the method, the printing quality and efficiency are remarkably improved, and the method is suitable for various media and complex scenes.
Owner:ZHEJIANG JINOU PACKING

Automatic acquisition and analysis system for laying hen breeding data

The invention relates to the technical field of laying hen breeding, and discloses an automatic acquisition and analysis system for laying hen breeding data. The information acquisition unit is used for collecting physiological parameters, behavior data, environmental parameters and health indexes of laying hens in real time; the disease monitoring unit is used for analyzing the collected data and identifying physiological abnormality and behavior change before the disease occurs; the antibody level monitoring unit is used for evaluating the immune response capability of the laying hens to specific pathogens; the environment adaptability evaluation unit is used for evaluating the adaptability of the laying hens to the extreme environment according to the environment parameter change and the physiological response of the laying hens; the breeding decision support unit is used for integrating all data and analyzing the production performance, disease resistance and environmental adaptability of laying hens; an optimal feeding scheme is recommended, medicine use is reduced, and resource allocation is optimized.
Owner:江西省农业技术推广中心

Method and equipment for preparing carbon nanotubes

PendingCN119284887AQuantitative control of entry quantityDiameter adjustableMaterial nanotechnologyCarbon nanotubesPtru catalystNanotube
The invention discloses a method and equipment for rapidly and continuously preparing carbon nano tubes with adjustable tube diameters, which are used for continuously and rapidly preparing carbon nano tubes with different tube diameters and at least comprise a catalyst precursor atomizing chamber, a plasma device, a carbon nano tube preparation reactor, a collector and a tail gas treatment device. A catalyst precursor solution enters the atomizing chamber through the injection pump to be atomized, atomized mist enters the plasma treatment device and then enters a reaction from a sample inlet in the upper portion of the reactor, after the reaction in the reactor is completed for a short time, the carbon nanotubes are collected from a collecting device on the lower portion of the reactor, and tail gas can be returned to the reactor after being filtered by the filter. The tail gas can be repeatedly used; and the continuous preparation of the carbon nano tubes with different tube diameters can be realized.
Owner:QINGDAO UNIV OF SCI & TECH

Control method and system in glass product manufacturing process

The invention discloses a control method and system in a glass product manufacturing process, and particularly relates to the technical field of glass product manufacturing. Voltage fluctuation and signal noise data in a plurality of time periods are analyzed by monitoring voltage fluctuation and signal noise of a temperature sensor in real time, a data accuracy index of the temperature sensor is calculated in combination with a weight assignment method, oxygen concentration fluctuation in a furnace is monitored in real time through an oxygen sensor, the influence of atmosphere change is evaluated, and the accuracy of the temperature sensor is improved. A fuzzy logic algorithm is utilized to comprehensively evaluate the accuracy of monitoring data and the fluctuation condition of oxygen concentration, and the heating power is dynamically adjusted, so that the glass melting process is optimized, the temperature is prevented from being out of control or incomplete melting is prevented, the equipment damage risk is reduced, the production efficiency is improved, the maintenance and shutdown time is shortened, and the temperature monitoring accuracy is effectively improved. The stability of the system is enhanced, and efficient and safe operation of the glass production process is guaranteed.
Owner:WEISHAN BROTHERS GLASS PROD CO LTD

Activated carbon adsorber capable of improving adsorption efficiency and adsorption capacity

The utility model discloses an activated carbon adsorber capable of improving adsorption efficiency and adsorption capacity, and relates to the technical field of activated carbon adsorption equipment, the activated carbon adsorber comprises a filter box body, a filter assembly is arranged in the filter box body, and the filter assembly comprises two activated carbon filter plates which are arranged in the filter box body in a sliding manner; the two activated carbon filter plates are parallel to each other and are arranged in a staggered manner; according to the utility model, through the arrangement of the movable activated carbon filter plates, when one filter plate is gradually saturated, the filter plate can be moved into the purification box for purification or regeneration treatment, and the other unused filter plate is moved into the filter box body for continuously filtering waste gas, so that the overall adsorption capacity is effectively improved through the design; the adsorber can continuously and efficiently treat waste gas; in the adjusting process, the activated carbon filter plate does not need to be replaced by shutdown, so that production interruption and efficiency reduction caused by replacement of the filter plate by shutdown are avoided.
Owner:YIKEWEIYE (DONGTAI) SPECIAL EQUIP CO LTD

Oxygen-free copper rod production management and control method, system and equipment

The invention is suitable for the technical field of oxygen-free copper rod production management and control, and particularly relates to an oxygen-free copper rod production management and control method, system and equipment, and the method comprises the steps: obtaining first production data and first process parameters of an oxygen-free copper rod in a current production link; determining a state value of the first process parameter; acquiring a second process parameter of the oxygen-free copper rod in the next link of the current production link; determining second production data based on the first production data and the second process parameter under the condition that the first process parameter is determined to be adjusted according to the state value of the first process parameter; and under the condition that the production quality of the oxygen-free copper rod in the next link is determined to be unqualified based on the second production data, the second process parameter is adjusted. According to the oxygen-free copper rod production management and control method provided by the embodiment of the invention, the problems that the efficiency is low and the quality problem is difficult to find and solve in time in the production process of the oxygen-free copper rod can be solved.
Owner:江西恒固铜业有限公司

Punch forming device for battery shell processing

The utility model discloses a punch forming device for processing a battery shell, and particularly relates to the technical field of battery shell production, the punch forming device comprises a base, and the top of the base is provided with a blanking assembly; the discharging assembly comprises a first air cylinder, a pushing plate is installed at the output end of the first air cylinder, a first motor is installed in the base, a first lead screw is installed at the output end of the first motor, a threaded block is installed on the outer side of the first lead screw, and a supporting frame is fixedly connected to the top end of the threaded block. Compared with the prior art, by arranging the blanking assembly, a battery shell can be quickly pushed upwards by utilizing upward movement of a pushing plate, and then the battery shell can be clamped and moved towards one side by utilizing two clamping plates, so that the complexity and time waste of manual operation are avoided, meanwhile, the phenomenon that the battery shell is stuck in a lower die is reduced, and the production efficiency is improved. The production defects and the rejection rate are reduced, so that the production efficiency is obviously improved.
Owner:JIANGSU KEDALI PRECISION IND CO LTD

Mattress roadway stacking machine for bamboo mattress production and processing

The invention discloses a mattress roadway stacking machine for bamboo mattress production and processing, and relates to the technical field of automatic storage and logistics, the mattress roadway stacking machine comprises a frame, a base plate, a conveying belt, a mattress, a stacking frame and a fixing frame, a stacking device is arranged in the stacking frame, a conveying device is arranged above the conveying belt, and the fixing frame is arranged above the conveying belt. An auxiliary device is arranged above the fixing frame, a base plate is pushed to move along a sliding rail rod through a servo motor, a conveying belt and a push plate, mattresses can be more easily aligned and stacked in the follow-up stacking process through the base plate, the base plate is moved upwards through an air cylinder and a top plate, the base plate is placed at the top of the placing frame through the placing frame and a check rod, and therefore the mattresses can be conveniently stacked. Stacking of the base plate is completed at the moment, stacking of the base plate is gradually conducted upwards, stacking of the mattresses can be more stable, the collapse risk is reduced, storage and management of the mattresses can be more orderly through the stacking mode, and the mattresses are convenient to check and take for use.
Owner:LOUDI HAIREN TECH DEV

Method and system for evaluating health state of offshore operation equipment

The invention relates to the technical field of equipment state evaluation, in particular to an evaluation method and system for the health state of offshore operation equipment. The method comprises the following steps: acquiring component data of offshore operation equipment; performing initial life marking on the data of the offshore operation equipment component to generate initial life marking data of the offshore operation equipment component; performing real-time operation data acquisition on the data of the offshore operation equipment component to generate real-time operation data of the offshore operation equipment component; performing component division on the real-time operation data of the components of the offshore operation equipment based on the components of the initial life mark data to generate novel component operation data and old component operation data; performing environment change influence analysis on the operation data of the novel part to generate an external change influence factor of the novel part. According to the invention, through multi-dimensional data acquisition, environment and electrical influence analysis, fatigue damage assessment and intelligent prediction, the accuracy of health state assessment of the offshore operation equipment is improved.
Owner:YANTAI UNIV +1

Aluminum ingot forming and cooling device

The invention discloses an aluminum ingot forming and cooling device, and relates to the field of aluminum ingot cooling devices.According to the aluminum ingot forming and cooling device, circulation and uninterrupted conveying and cooling work of aluminum ingots can be achieved by arranging a conveying assembly, and the aluminum ingots are stably clamped on the conveying assembly to be conveyed through a clamping assembly; the aluminum ingots can stably enter and exit from the cooling tank, so that the efficiency of conveying and cooling the aluminum ingots is ensured; the provided clamping assembly can complete clamping and fixing work of various different aluminum ingots, so that the whole device can convey and cool the aluminum ingots of various different specifications, and the adaptability of the device is improved; the driving assembly is arranged to complete the driving work of the multiple clamping assemblies, so that the clamping assemblies do not need to be independently provided with a power source, the investment of power equipment is greatly reduced, and then the production, manufacturing and operation maintenance cost of the whole equipment is reduced.
Owner:ANHUI YONGGAN TECHNOLOGY CO LTD

Cut tobacco making equipment parameter self-adaptive adjustment system based on big data

The invention, which relates to the technical field of tobacco primary processing equipment parameter adjustment, discloses a big-data-based primary processing equipment parameter adaptive adjustment system comprising a humidity sensing module, a humidity intelligent analysis module, a data correlation evaluation module, a data urgency degree analysis module, a data priority processing module and a feedback and optimization module. The data correlation evaluation module is used for evaluating the correlation between data needing to be processed by the system and the tobacco leaf cutting speed under the condition that the humidity increase degree of the tobacco leaves to be cut needs to reduce the cutting speed; according to the evaluation result, data needing to be processed by the system is divided into necessary data and unnecessary data; and the data urgency degree analysis module is used for evaluating the urgency degree of each piece of data in the necessary data in the cutting process of the tobacco leaves to be cut. According to the invention, the cutting problem caused by sudden humidity change can be effectively avoided, and the problems of sensor network communication delay and long processing time of mass data transmission are solved.
Owner:CHINA TOBACCO ANHUI IND CO LTD

Continuous feeding method for plastic products

The invention relates to the technical field of plastic product processing, and discloses a plastic product continuous feeding method which comprises the following steps: step 1, intelligent material level monitoring: mounting a high-sensitivity material level sensor in a hopper, monitoring material level change in real time, and ensuring timely material supplement; and 2, multi-channel feeding design is conducted, specifically, a plurality of feeding channels are designed, multiple materials are allowed to be fed at the same time, and feeding interruption caused by blockage of a single channel is avoided. According to the continuous feeding method for the plastic products, through intelligent material level monitoring and multi-channel feeding design, the system can monitor the material level in real time and supplement materials in time, meanwhile, due to the multi-channel design, when a certain channel is blocked, the channel is automatically switched to a standby channel, and therefore production stagnation caused by feeding interruption is avoided, and the production efficiency is improved. By means of the continuous and stable feeding mode, the production efficiency and stability of the injection molding process are improved, and production delay and cost loss caused by the feeding problem are reduced.
Owner:HONGWO MASCH TECH (SUZHOU) CO LTD

Full-automatic lock catch feeding, injection molding and transferring equipment

The invention relates to the technical field of non-standard automation, in particular to full-automatic lock catch feeding, injection molding and transferring equipment which comprises a feeding mechanism, a plate placing mechanism, a material taking mechanism, an injection molding mechanism and a discharging and transferring mechanism. The feeding mechanism comprises a fixed shaft feeding assembly and a shaft sleeve feeding assembly, the fixed shaft feeding assembly is used for locking fixed shaft feeding, and the shaft sleeve feeding assembly is used for locking shaft sleeve feeding; the wobble plate mechanism comprises a wobble plate mechanical arm, a wobble plate driving assembly and a wobble plate material frame, the wobble plate mechanical arm is used for grabbing the locking fixed shaft and the locking shaft sleeve on the fixed shaft feeding assembly and the shaft sleeve feeding assembly respectively and placing the locking fixed shaft and the locking shaft sleeve on the wobble plate material frame for positioning and placing, and the wobble plate driving assembly is used for driving the wobble plate material frame to rotate. The placed locking fixing shaft and the locking shaft sleeve face the injection molding mechanism; full-automatic lock catch feeding, injection molding, taking and transferring are achieved, manpower and material resources are saved, and the production efficiency is improved.
Owner:DONGGUAN TONGYI MACHINE

Oxygen-free copper rod up-drawing continuous casting take-up device

The invention discloses an oxygen-free copper rod up-drawing continuous casting take-up device, and relates to the technical field of oxygen-free copper take-up. Comprising a driving table and a support, the support is arranged at the top of the driving table, a driving mechanism is arranged in the driving table, a reciprocating lead screw is transversely arranged on one side of the support, a sliding block is movably installed on the outer side of the reciprocating lead screw, a guide assembly is arranged at the bottom end of the sliding block, and the guide assembly comprises a wire guide block; a guide plate is arranged on one side of the support and located below the reciprocating lead screw. A storage pipe, a straight pipe, an inclined opening and a push rod are arranged in the guide assembly, so that the ball can be replaced without detaching a wire guide block. In the transmission process of the copper rod wire, when the balls are abraded, a new ball can be conveniently replaced into the copper wire guide hole by using the push rod, so that the transmission smoothness of the copper rod wire is ensured, and the equipment shutdown maintenance time caused by ball faults is reduced.
Owner:ANHUI TUOMEIWEI WELDING & CUTTING TECH CO LTD

Polymer alloy material, preparation method thereof and flow cell panel frame

The invention provides a polymer alloy material, a preparation method thereof and a flow cell panel frame, and belongs to the technical field of high polymer materials. The polymer alloy material comprises the following components: 25-80% of polyolefin, 10-20% of engineering plastic, 1-5% of a compatilizer, 5-50% of an inorganic filler and 0.1-5% of an auxiliary agent. Wherein the engineering plastic is selected from one or more of a styrene methyl methacrylate copolymer, a styrene-butadiene methyl methacrylate copolymer, polycarbonate, polyphenyl ether, polyphenylene sulfide, a styrene-maleic anhydride copolymer or a styrene-acrylonitrile copolymer. The polymer alloy material forms a bicontinuous phase structure with'sea-sea 'microscopic dispersion characteristic and tight interface bonding, can simultaneously have the characteristics of excellent heat resistance, corrosion resistance, high flow, low shrinkage, high modulus and the like, and makes up for the defect of insufficient performance of the existing liquid flow cell panel frame plate PP material.
Owner:BEIJING HERUI ENERGY STORAGE TECH CO LTD

Machining wastewater treatment equipment and treatment method

The machining wastewater treatment equipment is connected with a wastewater input pipeline and comprises a three-phase separation device, an evaporation device, a filtering device and a concentrated solution collection device which are sequentially connected, the wastewater input pipeline is connected with the three-phase separation device, and the three-phase separation device is used for carrying out oil-water separation on wastewater; the evaporation device comprises a low-temperature evaporator and a cleaning barrel; the filtering device comprises a ceramic membrane filter and a molecular sieve COD (Chemical Oxygen Demand) filter; the ceramic membrane filter is used for removing water-soluble floating oil in distilled water; the molecular sieve COD filter is used for filtering the filtered wastewater, and clear water is discharged up to the standard or collected for reuse. The invention develops a brand-new treatment method for machining wastewater, and a brand-new machining wastewater treatment process is formed by combining three-phase separation, evaporation, ceramic membrane filtration, molecular sieve filtration and an anti-pollution membrane; the method is a full-physical process, does not need to add any medicament, and is more environment-friendly.
Owner:SUZHOU BIQINGYUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Digital factory production management method and system

The invention relates to a digital factory production management method and system, and the method comprises the steps: predicting a future initial order demand based on a data analysis tool and historical sales data, and adjusting the initial order demand based on a current market trend and a current market strategy corresponding to a target peer, and obtaining a target order demand; obtaining the required production capacity and the equipment utilization rate corresponding to each piece of production equipment based on the target order demand; acquiring real-time operation data corresponding to each piece of production equipment, and predicting maintenance requirements corresponding to the real-time operation data, the required production capacity and the equipment utilization rate based on the trained deep learning model; and making a maintenance plan of each production device in advance based on the maintenance demand and the maintenance priority corresponding to each production device. The production equipment is subjected to preventive maintenance, the reliability and stability of the production equipment are improved, the use of maintenance resources is optimized, and the maintenance efficiency and quality are improved.
Owner:AEROSPACE WANYUAN CLOUD DATA HEBEI CO LTD

Polyether modified silicone oil, preparation method thereof and polyurethane foam composition

ActiveCN119409978AStable productionimprove surface conditionPolymer sciencePtru catalyst
The invention discloses polyether modified silicone oil for improving polyol compatibility and application of the polyether modified silicone oil in a polyurethane foam composition. The structure of the polyether modified silicone oil simultaneously comprises the following chain segments: (a) a polyoxyethylene ether chain segment; and (b) alkylated polyoxyethylene polyoxypropylene ether chain segments, wherein EO and PO can be random copolymerization or block copolymerization. Wherein the molar ratio of the polyoxyethylene ether chain segment to the alkylated polyoxyethylene polyoxypropylene ether chain segment is 1: (0.6-4), preferably 1: (1-2). The polyurethane composition comprises a component A and a component B, the component A is an isocyanate reactive component and comprises polyol, a catalyst, a foaming agent and polyether modified silicone oil; and the component B is an isocyanate component. The polyether modified silicone oil has the functions of a compatilizer and a foam stabilizer, and a polyurethane composition has good storage performance and foaming stability and can be used for preparing a polyurethane foaming material.
Owner:WANHUA CHEM BEIJING +1

Ventilation cooling simulation test system for deep mine

The invention relates to the technical field of ventilation and cooling simulation testing, and particularly discloses a ventilation and cooling simulation testing system for a deep mine, which is used for monitoring environmental parameters of different tunneling roadways corresponding to a gold mine in real time through a plurality of sensor nodes deployed in the gold mine; further, the ventilation rate coincidence coefficient of each tunneling roadway corresponding to the gold mine is judged; detecting and judging the ventilation rate conformance coefficient, and when the ventilation rate conformance coefficient of a certain tunneling roadway is detected not to conform to the standard, simulating different types of cooling materials by using the simulation model so as to obtain a cooling performance comprehensive score of each type of cooling material in each simulated roadway; the optimal cooling material type suitable for each simulated roadway is determined according to the cooling performance comprehensive score of each type of cooling material in each simulated roadway, so that the use strategy of the material can be dynamically adjusted and optimized to adapt to the change of the mine environment, and the overall safety and the production efficiency of the mine are improved.
Owner:CHIFENG JILONG MINING CO LTD

Online monitoring system remote automatic restart intelligent switch and control method

The invention discloses an on-line monitoring system remote automatic restart intelligent switch and a control method, and relates to the technical field of intelligent power grids, and the on-line monitoring system remote automatic restart intelligent switch comprises a front-end monitoring module which is used for monitoring the state and performance indexes of equipment in real time and sending out warning information; the communication module is responsible for communicating with a remote monitoring center or other management systems, receiving a remote instruction and sending equipment state information; and the background monitoring platform is used for remotely monitoring the equipment state, sending a restart instruction and checking an operation result and a system log. According to the remote automatic restart function, the dependence on field technicians is reduced, the requirement for manual operation is lowered, operation and maintenance personnel can manage equipment in a remote monitoring center or through mobile equipment, the operation and maintenance efficiency is improved, and the operation and maintenance efficiency is improved through automatic and intelligent operation and maintenance means. The tedious manual inspection and maintenance process in a traditional method is reduced, and the efficiency of offline processing work is improved.
Owner:STATE GRID XINJIANG ELECTRIC POWER CO URUMQI ELECTRIC POWER SUPPLY CO

A multifunctional sound-generating device

The present invention provides a multifunctional sound-generating device, comprising a shell having a receiving cavity and a sound-generating unit placed in the receiving cavity, the sound-generating unit comprising a vibration system and a magnetic circuit system for driving the vibration system to vibrate along a first direction, the magnetic circuit system comprising a main magnetic steel and a secondary magnetic steel arranged around the main magnetic steel to form a magnetic gap, the vibration system comprising a sound membrane and a voice coil inserted in the magnetic gap to drive the sound membrane to vibrate and produce sound; the multifunctional sound-generating device also comprises an elastic component fixed to the shell and suspending the sound-generating unit in the receiving cavity, and a driving coil fixed to the inner wall of the shell and used to drive the sound-generating unit to vibrate along a second direction, the driving coil comprising a first side and a second side arranged opposite to the first side, in the first direction, the first side is arranged opposite to the main magnetic steel, the second side is arranged opposite to the secondary magnetic steel, and the second direction is perpendicular to the first direction; the sound membrane extends to form a partition connected to the inner wall of the shell to divide the receiving cavity into a front cavity and a rear cavity.
Owner:AAC MICROTECH (CHANGZHOU) CO LTD

Gallium nitride transistor based on polycrystalline silicon field plate and preparation method thereof

The invention relates to a gallium nitride transistor based on a polycrystalline silicon field plate and a preparation method thereof, and belongs to the technical field of semiconductor devices. The transistor comprises a substrate, a GaN buffer layer, a GaN channel layer, an AlN insertion layer and an AlGaN barrier layer which are sequentially arranged from bottom to top, a P-GaN cap layer and a first passivation layer are arranged on the upper side of the AlGaN barrier layer, a gate metal field plate is arranged on the upper side of the P-GaN cap layer, a second passivation layer is arranged on the upper sides of the gate metal field plate and the first passivation layer, and the second passivation layer is arranged on the upper side of the second passivation layer. Two sides of the GaN buffer layer are respectively provided with source electrode metal and drain electrode metal, the first passivation layer and the second passivation layer are provided with grooves, the bottoms of the grooves penetrate through the AlGaN barrier layer, and polycrystalline silicon field plates are arranged on the upper side of the source electrode metal, the upper side of the second passivation layer and in the grooves. By introducing the polycrystalline silicon field plate, interface charges are inhibited, and the electrical performance of the device is remarkably improved.
Owner:SHANDONG UNIV

Marine diesel engine tail gas carbon dioxide capture low-energy-consumption safe storage method

The invention belongs to the technical field of carbon dioxide capture low-energy-consumption safe storage methods, and discloses a marine diesel engine tail gas carbon dioxide capture low-energy-consumption safe storage method which comprises a carbon dioxide capture system, a low-energy-consumption system and a safe storage system. The carbon dioxide trapping system is mainly used for separating carbon dioxide from tail gas of a marine diesel engine for subsequent sealing or utilization, the carbon dioxide trapping system is divided into a pretreatment unit and a carbon trapping unit, and the carbon dioxide can be conveniently transported and sealed through liquefaction storage; the volume of the liquefied carbon dioxide is greatly reduced, long-distance transportation and storage are facilitated, the transportation cost is reduced, the liquefied carbon dioxide can also be used as a resource, for example, the liquefied carbon dioxide can be used in the fields of industrial raw materials, refrigerants, food preservation and the like, sustainable utilization of the resource is achieved, and the energy storage mode has the advantages of low cost, high efficiency, long service life and the like. And the energy utilization efficiency can be improved.
Owner:GUANGDONG OCEAN UNIVERSITY

Coal gas alarm monitoring method and system based on MQTT technology in iron and steel industry

The invention relates to the technical field of computers, in particular to a coal gas alarm monitoring method and system based on the MQTT technology in the iron and steel industry, and the method comprises the following steps: deploying a coal gas concentration sensor with high precision, high stability and low power consumption at a key position of an iron and steel production region, and guaranteeing the complete coverage of a region where coal gas leakage may occur; the sensor regularly or continuously collects gas concentration data, converts the data into digital signals and prepares for transmission, and the collected data comprises a timestamp, sensor position information and a real-time gas concentration value; the coal gas alarm monitoring method and system based on the MQTT technology in the iron and steel industry have the advantages that potential coal gas leakage risks can be found and responded in time by monitoring the coal gas concentration in real time and setting an intelligent alarm mechanism, safety accidents are effectively prevented, and the safety of production personnel and equipment is guaranteed.
Owner:BEIJING INSPUR CLOUD COMPUTING CO LTD

Light-transmitting pressure sensor, light-transmitting pressure sensing module and electronic equipment

The embodiment of the utility model provides a light-transmitting pressure sensor, a light-transmitting pressure sensing module and electronic equipment, the light-transmitting pressure sensor is a light-transmitting welded pressure sensor, and a first hollow light-transmitting area is arranged in the central area of a sensor main body, so that the light-transmitting requirement of a user is met through backlight; the sensor body is used for being electrically connected with the control circuit board through the first bonding pad, the pressure sensor can be designed to be standardized unified packaging, a client designs and arranges the sensor according to the actual needs of the client, the sensor is welded to the corresponding position of the control circuit board, and the position requirement of the key is met; actual design and production processes of the pressure sensor are reduced, and the development period is shortened; the modular design of the pressure sensor is realized, the sensor is standardized, batch production and stocking are facilitated, and the cost is reduced.
Owner:SHENZHEN RUIHU TECH CO LTD

Method and system for detecting coiling centering deviation

The invention provides a method and a system for detecting winding centering deviation. The method comprises the following steps of: S1, constructing and training a centering deviation detection model; arranging lighting equipment and camera equipment, and acquiring images at intervals; s2, inputting the image into the middle deviation detection model, solving a circle center coordinate of an ellipse in the image, and further calculating a pixel deviation value; obtaining an actual offset distance according to the pixel deviation value; s3, the track of the ellipse is obtained, and drawing is carried out on the image; s4, whether the actual offset distance is larger than or equal to a threshold value or not is judged; if the result is yes, storing the current data, and sending out an early warning signal; and if not, storing the current data. According to the invention, high-precision detection is carried out on the centering height of the steel coil in a visual identification mode, the coil turning phenomenon is avoided, and the labor intensity of operators is reduced.
Owner:SHANGHAI BAOSIGHT SOFTWARE CO LTD

Screw mounting station mechanism for wiring terminal strip

A terminal block screw mounting station mechanism comprises a storage structure and a mounting structure which are arranged on the side face of a terminal block machining rail, and the mounting structure comprises a mounting support and a mounting first connecting block connected to the mounting support through a mounting horizontal rail. The installation horizontal driving device drives the installation first connecting block to move along the installation horizontal track, the installation second connecting block is connected to the installation first connecting block through the installation vertical track, and the installation vertical driving device drives the installation second connecting block to move along the installation vertical track. The placing structure is connected to the second connecting block and extends out of the wiring terminal processing track; the storage structure comprises a storage bracket and a storage base; a plurality of screw placing grooves are formed in the storage base, and screws move towards the wiring terminal processing track in the screw placing grooves; the placing structure takes out the screws from the storage structure and then loads the screws into the wiring terminal base. According to the utility model, the screw placement process of the wiring terminal is completed in a full-automatic manner.
Owner:ZHENJIANG HONGLIAN ELECTRICAL CO LTD