Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

111 results about "Induction system" patented technology

Process capable of realizing uniform heating of kiln

The invention discloses a process capable of realizing uniform heating of a kiln, and relates to the technical field of industrial kiln heating control, and the process comprises the following steps: constructing a furnace top mixed flow induction system, and realizing coordinated regulation and control of a temperature field and a concentration field through a multi-level mixed flow induction structure and dynamic flue gas circulation control; a pulse type multi-combustor alternate control system is constructed, and full-load efficient combustion is realized by adopting a pulse modulation and time sequence alternate combustion strategy; a model predictive control system is constructed, a multi-level predictive control framework and a rolling optimization mechanism are established, and temperature-fuel-air multivariable closed-loop coordination control is achieved; a multi-technology collaborative integrated system is constructed, and dynamic optimization control over the technological parameters of the whole process is achieved through partition control and multi-mode switching. According to the invention, the temperature distribution uniformity of the hearth is obviously improved, the combustion efficiency and the energy-saving performance are greatly improved, intelligent quick response control is realized, and a multi-technology collaborative optimization architecture is constructed.
Owner:ZIBO KEHAO THERMAL ENG CO LTD

Sintered neodymium-cerium-iron-boron magnet with high comprehensive magnetic performance and preparation method of sintered neodymium-cerium-iron-boron magnet

The invention discloses a sintered neodymium-cerium-iron-boron magnet with high comprehensive magnetic performance, which is prepared by uniformly mixing and pressing alloy powder with a chemical formula of (Nd1-xCex) aM100-a-b-cFebBc and one or more kinds of X-B alloy powder and carrying out sintering and tempering treatment, a is more than or equal to 28 and less than or equal to 33, b is more than or equal to 58 and less than or equal to 69, c is more than or equal to 0.8 and less than or equal to 1.1, x is more than 0 and less than or equal to 20, and b is more than or equal to 1 and less than or equal to 3. M is one or more of Zn, Ga, Co, Cu, Nb, Si, Mn and Al, and X is one or more of Ti, Hf, Zr, Cr and Mo. The preparation method comprises the steps of raw material proportioning, rapid hardening melt-spinning, hydrogen crushing, airflow grinding powder preparation, mixed powder compression, sintering and tempering heat treatment. The X-B compound is introduced, a multi-stage induction system is constructed in the magnet, directional migration and enrichment of Ce elements in a grain boundary area are effectively regulated and controlled, an excellent magnetic microstructure with a Ce-rich grain boundary phase and a main phase mainly comprising Nd2Fe14B is formed, a grain boundary engineering strategy without additional heavy rare earth element compensation is provided, and the preparation method has the advantages of being simple in process, low in cost and easy to popularize. And efficient utilization of high-abundance rare earth resources and comprehensive improvement of performance are achieved, and good technical advancement and industrial application prospects are achieved.
Owner:国瑞科创稀土功能材料(赣州)有限公司

Train inductive system device

1. The name of the design product: train induction system device. 2. The use of the design product: for train induction system device. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:SHIJIAZHUANG ZHENFENG TECHNOLOGY CO LTD

A jet flow control wind tunnel rudder effect test system and test method

The application provides a kind of jet flight control wind tunnel rudder effect test system and test method, belong to wind tunnel test technical field.Test system includes aircraft model and be set in the engine and air induction system of aircraft model interior, fuel tank, jet actuation system, flight control computer and balance;Establish the body axis coordinate system corresponding to aircraft model, the origin of body axis coordinate system is model moment reference point, balance is located in the lower region of aircraft model, the axis of balance is parallel with the x axis of body axis coordinate system, and the heart of balance is located on the z axis of body axis coordinate system, engine is located in the tail region of aircraft model, the thrust line of engine overlaps with the x axis of body axis coordinate system, and air induction system is connected with jet actuation system.In the application, airborne air supply and control are realized, jet is taken as a part of aircraft system energy, and the accuracy of the result obtained by test on the influence of jet on the comprehensive performance of aircraft is improved.
Owner:LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT

Distributed oil temperature control system and control method suitable for monorail crane

The invention belongs to the technical field of monorail crane oil temperature control, and particularly relates to a distributed oil temperature control system and method suitable for a monorail crane. An oil suction port of the variable hydraulic pump is connected with a hydraulic oil tank; an inlet of the high-pressure filter is connected with an oil outlet of the variable hydraulic pump; the heat dissipation part is connected to an outlet oil way of the high-pressure filter in series; the pilot control oil way comprises a pilot overflow valve group, a temperature control valve group and a shuttle valve; a P port of the pilot overflow valve group is connected with an oil outlet of the high-pressure filter, and an A port of the pilot overflow valve group is connected with an outlet of the heat dissipation part; a port P of the temperature control valve group is connected with a control oil outlet of the pilot overflow valve group, and a port T of the temperature control valve group is connected with a hydraulic oil tank and used for sensing system oil temperature; a port A of the shuttle valve is connected with an outlet of the temperature control valve set, and a port R of the shuttle valve is connected with a port X of the volume adjustable hydraulic pump. The temperature control valve set is arranged to adjust pilot control oil pressure according to oil temperature changes, the displacement of the volume adjustable hydraulic pump is controlled through the shuttle valve, and self-adaptive control over the rotating speed of the cooling fan is achieved.
Owner:TAIYUAN COAL TECH CO LTD +1

Preparation method of high-efficiency bio-mineralized recycled construction waste mixture under load action

The application discloses a preparation method of a high-efficiency bio-mineralized recycled construction waste mixture under load action, adopts a hydrostatic pressure loading reactor, carries out gradient hydrostatic pressure domestication on a starting strain, and obtains a high-load-resistant strain; the high-load-resistant strain is cultured in a large scale to obtain a high-pressure-resistant bacterial liquid; soluble calcium salt, urease activator, crystal form regulator and water are mixed to prepare a composite inducer; the high-pressure-resistant bacterial liquid and the composite inducer are uniformly mixed according to a volume ratio to obtain a mineralization mixing liquid; recycled construction waste aggregates and cementing materials are weighed and put into a stirring device, the mineralization mixing liquid is added into the stirring device as mixing water to be stirred, and pressure forming and curing are carried out after uniform stirring to obtain the recycled construction waste mixture. Through directional screening of the pressure-resistant strain and preparation of a rapid induction system, the application solves the problems of inactivation of microorganisms and low mineralization efficiency under extrusion load, and the aggregates do not need to be pretreated and can be directly integrated into the existing engineering mixing process.
Owner:XIAN UNIV OF SCI & TECH

Intelligent lifting type water circulation hand dryer

The invention belongs to the technical field of hand dryers, and discloses an intelligent lifting type water circulation hand dryer. The intelligent sensing system is used for accurately detecting the height of the hand of a user, and the memory alloy lifting mechanism is controlled to drive the hand dryer body to automatically ascend and descend to the adaptive position matched with the hand of the user. And water resources discharged in the blow-drying process are collected, the discharged water is purified through the filtering circulating system, and then the purified water is stored in the liquid storage tank. The system takes water from the liquid storage tank, needed hot water or cold water is obtained through heating or temperature control treatment and conveyed into the liquid reaction cavity of the lifting mechanism, and the memory alloy is driven to stretch out and draw back so as to drive lifting motion. The hand dryer integrates a detection system, a hand dryer body, a lifting mechanism, a water collecting device, a filtering system, a liquid storage tank, a heating control device and other modules. Wherein the outer surface of the resistance wire adopts a flexible metal hose design, so that the heat transfer efficiency is improved and the dust accumulation influence is reduced.
Owner:ZHEJIANG KINGWE ELECTRICAL CO LTD

Tunnel intelligent light induction system

The embodiment of the utility model provides a tunnel intelligent light induction system, which comprises an induction lamp group formed by sequentially connecting a plurality of induction lamps which are arranged at preset intervals along the extending direction of a road in a tunnel, one end of the induction lamp group is connected with a main controller, and the main controller is used for controlling the on / off of each induction lamp in the induction lamp group; the other opposite end of the induction lamp set is further connected with a standby controller, and the standby controller is connected with the main controller, is in a standby state when the main controller works normally, and is automatically started to control on and off of all induction lamps in the induction lamp set when the main controller breaks down. According to the embodiment of the invention, normal work of the induction lamp can still be ensured when a single light controller breaks down.
Owner:SHENZHEN LONGYAOXIANG ELECTRONIC TECHNOLOGY CO LTD

A fully automated three-dimensional active defense system and method

ActiveCN119418481BAlarmsAtmospheric potential difference measurementThunderstormControl system
This invention discloses a fully automated, three-dimensional active defense system and method, belonging to the field of weather modification technology. The system monitors thunderstorm weather systems via airborne remote sensing satellites, triggering an early warning signal when the system moves to the outermost layer of the defense area. It combines this with a network-based ground-based radar monitoring system to continuously track and monitor thunderstorm cloud weather systems in real time, simultaneously sending various parameters to a lightning monitoring and early warning module. This provides criteria for detecting strong lightning electromagnetic fields, inverts the spatiotemporal parameters of lightning occurrence, and provides early warning and forecasting of the development trend of thunderstorm weather systems. A central control system then determines lightning dissipation and initiates operational commands. Finally, a mobile artificial lightning induction system is used to artificially intervene in the charge structure of thunderstorm clouds. This invention can mitigate the direct and indirect electromagnetic damage effects of strong lightning caused by the spatiotemporal unpredictability of severe convective weather and the instantaneous nature of strong thunderstorm discharge processes, protecting the safety of key locations and important sensitive targets.
Owner:INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI

Tunnel escape photoelectric induction system and method based on event driving

The invention discloses a tunnel escape photoelectric induction system and method based on event driving, and belongs to the technical field of tunnel security, the system is used for realizing the method, and the system comprises a sensing module, a control module and an execution module; the sensing module comprises a vehicle type identification module, and the vehicle type identification module is configured to identify the vehicle type of a fire accident vehicle; the control module is configured to evaluate the risk upgrading grade of the fire accident vehicle and the influence range of the vehicle in the tunnel after the risk grade is upgraded; when the risk upgrading grade reaches a set risk grade, the emergency evacuation planning path is configured as follows: for a tunnel sub-section in the influence range in the tunnel, the emergency evacuation planning path abandons a tunnel escape node which is located in the influence range and is close to one side of the fire accident vehicle; according to the scheme, the risk upgrading possibility of the fire event is pre-judged, so that the life safety threat of the potential danger to the to-be-evacuated personnel is reduced.
Owner:SICHUAN YUNKONG TRANSPORTATION TECH CO LTD +1

High-frequency quenching induction system

The utility model relates to the technical field of induction quenching, and discloses a high-frequency quenching induction system which comprises an automatic induction quenching mechanism, the automatic induction quenching mechanism comprises a feeding assembly, a positioning assembly, a taking and placing assembly and an induction quenching assembly, the feeding assembly is used for conveying workpieces to a conveying belt, the positioning assembly is used for positioning the workpieces, and the taking and placing assembly is used for taking and placing the workpieces; a first conveying assembly and a second conveying assembly are arranged on the second bottom frame, the first conveying assembly is located on one side of the induction quenching assembly, and the second conveying assembly is located on the other side of the induction quenching assembly; the second conveying assembly penetrates through the induction quenching assembly and is matched with the first conveying assembly to convey the workpiece to the induction quenching assembly, and the induction quenching assembly is used for induction quenching of the workpiece. According to the utility model, the workpiece is subjected to induction quenching, the hardness and wear resistance of the workpiece are improved, the service life of the workpiece is ensured, the whole induction quenching process does not need manual operation, the quenching efficiency is improved, and the problem of environmental pollution caused by salt bath furnace quenching is solved.
Owner:LAIZHOU HONGYUAN BENCH VICE MFG CO LTD +1

Underground ramp traffic light sensing system

The utility model discloses an underground ramp traffic light induction system, comprising a card reader arranged in an underground roadway and connected with a vehicle-mounted terminal in a wireless communication mode; the vehicle-mounted terminal realizes signal transmission with the card reader through a wireless communication module; the speed calculation module is arranged on the vehicle-mounted terminal; the card reader is further configured to trigger the vehicle-mounted intelligent terminal to broadcast an overspeed prompt to inform a driver through a wireless signal, and the vehicle-mounted terminal can receive a reply of the driver for confirming a stall abnormal state in an emergency state triggering state; and the system executes the stall emergency off-net release vehicle stopping work of the vehicle stopping equipment according to the reply of the driver or the vehicle speed change condition. When the speed change of the vehicle is larger than the stall abnormal set value, the system triggers emergency protection, for example, stall emergency off-network release vehicle stopping work of the vehicle stopping equipment is automatically executed, and accidents caused by out-of-control of the vehicle are avoided.
Owner:JCC YINSHAN MINING CO LTD

A laser coaxial wire additive manufacturing device and method based on double magnetic field cooperation

The application relates to the field of laser additive manufacturing, and particularly discloses a laser coaxial wire additive manufacturing device and method based on double magnetic field cooperation, which comprises a motion system, a coaxial wire additive manufacturing system, a double magnetic field auxiliary system and a control monitoring system, and is externally provided with a wire feeding mechanism. The double magnetic field auxiliary system is composed of a magnetic pressure induction system and a symmetric sliding magnetic field generation system; the magnetic pressure induction system is arranged around a welding head to generate a vertical magnetic field; the symmetric sliding magnetic field generation system generates a horizontal magnetic field through Helmholtz coils on two sides; the two magnetic field systems are independently adjustable and are orthogonally arranged in space. The device is provided with a high-speed camera to monitor the molten pool state in real time, the magnetic field strength and proportion are dynamically adjusted through a controller and double electromagnetic generators, and accurate control of molten drop transition and molten pool flow is realized. The application improves the quality and stability of coaxial wire additive manufacturing.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Motion induction device, motion induction system, control program and control method for motion induction device

To provide a movement guiding device capable of giving moving force corresponding to the movement of a human body to the human body without executing complicated work.SOLUTION: A movement guiding device includes a storage part and a control part. The control part acquires input information indicating the movement that a human body is caused to perform, extracts, from the storage part, identification information indicating at least one artificial myoneme corresponding to the movement indicated by the acquired input information as identification information indicating an operation artificial myoneme corresponding to the movement, and outputs, to a driving part, instruction information for causing the operation artificial myoneme to expand or contract on the basis of the extracted identification information.SELECTED DRAWING: Figure 1
Owner:NAT UNIV CORP TOKAI NAT HIGHER EDUCATION & RES SYST

Tellurium-copper alloy smelting furnace and application thereof

The invention discloses a tellurium-copper alloy smelting furnace and application thereof, and belongs to the field of smelting furnaces, the tellurium-copper alloy smelting furnace comprises a furnace lining, a furnace cover covering the top of the furnace lining and a tellurium-copper alloy smelting feeding system, a furnace cavity is defined by the furnace lining and the furnace cover, an induction system is arranged on the periphery of the furnace lining, and the tellurium-copper alloy smelting feeding system comprises a hopper and a discharging pipe connected to the bottom of the hopper. A discharging pipe is installed on the furnace lining, a material valve is installed on the discharging pipe, a material containing pipe extending upwards is arranged at the center of the furnace bottom of the furnace lining, a through hole set is formed in the section, close to the furnace bottom, of the material containing pipe, the top end of the material containing pipe does not exceed the liquid level line of a molten pool formed after copper is molten, the lower end of the discharging pipe is located in the material containing pipe, and a branch pipe is further installed on the discharging pipe. A vacuum valve and a vacuum pump are installed on the branch pipe, the vacuum pump is connected with an emptying pipe, and the lower end face of the discharging pipe is located below the liquid level line of the molten pool during feeding. The performance of the tellurium-copper alloy is improved.
Owner:SICHUAN KEPAI NEW MATERIALS CO LTD

A high-temperature denitration device using steam and carbon

ActiveCN116294647BAir preheaterCarbonization
The application discloses a kind of carbon high temperature denitration device, including burner, smelting furnace, biological carbon generation system, combustion-supporting air heating system, reduction chamber, flue gas waste heat utilization system and air induction system;The burner is installed in smelting furnace;The biological carbon generation system includes a shell, the shell and smelting furnace are communicated;The combustion-supporting air heating system includes air blower, air preheater;Combustion-supporting air provided by air blower is first passed through air preheater, absorbs the heat of flue gas in air preheater, then is sent to the burner again;The air induction system includes air induction machine, to be discharged after the flue gas in reduction chamber is introduced into dust removal system, another part is introduced into burner by circulating pipeline.The present denitration device does not affect the combustion and heating process of original furnace, does not need to consume additional energy, and can utilize the carbonization of renewable energy such as biomass to achieve the removal of NOx, to reduce the emission concentration of nitrogen oxides from the source.
Owner:GUANGZHOU INST OF ENERGY CONVERSION CHINESE ACAD OF SCI

Wireless hair dryer

A wireless hair dryer comprises a handle and an air outlet cylinder, the air outlet cylinder is installed at the upper end of the handle, an air inlet is formed in the lower end of the handle, a battery pack, a motor and an electric control chip are sequentially installed in the handle from bottom to top, a ventilation pipeline is arranged on the inner side of the inner wall of the handle and communicated with the air inlet, and the air outlet cylinder is connected with the air inlet. The ventilation pipeline is communicated with an air inlet of the air outlet cylinder; an air flow channel is arranged in the air outlet barrel, a ceramic heater is arranged in the air flow channel, the air outlet barrel is provided with an air outlet with a large inner part and a small outer part, and an infrared induction system is arranged on the front side of the middle part of the air outlet barrel. The air outlet is large in inside and small in outside to form the Bernoulli principle, air compression and release are carried out, air flowing acceleration is generated, and therefore the air outlet efficiency is improved. The infrared sensing system senses the distance between the air opening and the scalp and the temperature of the scalp, the distance and the temperature are mutually adjusted, and meanwhile a comfortable environment is created for hair drying and blowing of the head.
Owner:NINGBO HORD INTELLIGENT TECH CO LTD

Intelligent material sorting method and system based on automatic production line

The invention relates to the technical field of material sorting, in particular to an intelligent material sorting method based on an automatic production line, which comprises the following sorting steps: S1, an automobile enterprise uniformly places different types of automobile engines prepared on the production line into an object containing frame, and the automobile engines are conveyed to the front of a sorting system through a sorting conveying belt; and S2, the sorting system shoots the engine in the object containing frame through a monitoring head, feature extraction is conducted on the shot image through an image processing module, the engine model is distinguished, and the engine model is uploaded to a control system. According to the system, preliminary sorting is carried out one by one through the image processing module and the weight sensing system, sorting results are uploaded to the control system for secondary verification, whether detection errors exist or not is checked, the situation of wrong sorting is avoided, inconvenience of manual sorting is also avoided, and the working efficiency is improved. And the synchronous module is used for uniformly controlling the movement of the sorting system and the sorting conveying belt, so that the consistent conveying and sorting frequency of the materials is ensured.
Owner:DALIAN RONGYE TECHNOLOGY CO LTD

Light induction system control cabinet

1. The name of the design product: light induction system control cabinet. 2. The use of the design product: for light induction system control cabinet. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.
Owner:CHONGQING JIAOTONG UNIV

A real-time induction system and its use in the production of high value compounds

PendingCN122278890AChemical compoundInducer
This invention belongs to the field of bioengineering technology, specifically relating to a method for eliminating dependence on chemical inducers and relying on alcohol molecule activation of BmoR- P bmo This novel, real-time, and non-toxic induction system, and its application in the production of high-value compounds, belongs to the field of bioengineering technology. The inducible expression system comprises an expression system and an inducer; the expression system includes a promoter for the BmoR-encoding gene, a gene encoding the BmoR protein, and... P bmo The promoter-based induction initiation element also contains the synthetic pathway for the corresponding target compound, located at... P bmo Downstream of the promoter; the inducer is capable of binding with BmoR to form a complex, activating the promoter. P bmo The transcription of higher alcohols. The present invention provides a BmoR-based... P bmo The induction system can eliminate the strain's dependence on chemical inducers such as IPTG during the production process, and has no restrictions on the selection of target compounds, providing a brand-new solution for the efficient synthesis of high-value compounds by strains.
Owner:BEIJING INST OF TECH

Cloth spreading machine

The utility model provides a spreading machine which comprises a multi-groove round pipe, a sliding way is arranged on the multi-groove round pipe, two nail plates are arranged on the two sides of the sliding way in a sliding mode, an elastic rubber strip is connected between the two nail plates, guide wheels are arranged at the lower ends of the nail plates, a cloth sensing system is arranged on one side of a feeding port of the multi-groove round pipe, and a first guide cylinder and a second guide cylinder are arranged on the inner side of the multi-groove round pipe. A first driving assembly for adjusting the position of the first guide cylinder in real time is arranged on the first guide cylinder, and a second driving assembly for adjusting the positions of the two second guide cylinders according to the required fabric expanding width is arranged on the second guide cylinders. According to the spreading machine provided by the utility model, the position of the first guide cylinder is adjusted in real time according to the sensing system, and the position of the nail plate is adjusted by guiding the guide wheel of the nail plate through the first guide cylinder, so that the nail plate can fix the boundary of cloth at the feed port of the spreading machine, and the guide wheel of the nail plate is pushed to the second guide cylinder in the rotating process of the multi-groove circular tube; the guide wheel on the nail plate is guided through the second guide cylinder, and the cloth is expanded to the specified width.
Owner:夏宝才

A wheel-leg integrated robot with omni-directional motion capability

This invention discloses an integrated wheeled and legged robot with omnidirectional mobility, belonging to the field of mobile robot technology. It includes several integrated wheel sets, allowing free switching between wheeled and legged locomotion modes; a control module that integrates sensory information, environmental data, and robot status, and makes decisions and plans actions based on this information; a power supply module, composed of batteries, providing the necessary electrical energy for the entire integrated wheeled and legged robot; an intelligent sensing system, installed on the side of the vehicle body, enabling efficient perception and data acquisition of environmental information to support the robot's flexible movement, obstacle crossing, and path planning capabilities under different terrain and obstacle conditions; and a task execution device, installed on the vehicle body, for performing task operations. This invention can efficiently switch between wheeled and legged modes, reducing the robot's mechanical complexity, improving control accuracy, and exhibiting better stability, adaptability, and obstacle crossing capabilities.
Owner:BEIJING UNIV OF TECH

Coiled tubing downhole operation tool wireless positioning method

The present application relates to a kind of coiled tubing downhole operation tool wireless positioning method, comprising the following steps: S1, ground induction system is pumped with coiled tubing truck pressure sensor;S2, check the battery and function of positioner, ensure that the function of positioner is normal before entering well;S4, ground real-time monitoring, observe the contrast of the depth of lowering and the pressure pulse generated, check whether there is casing collar missed identification when positioner is lowered through casing collar;S5, after the positioner tool completes positioning, increase the displacement and pump pressure of pump, until the lower valve body pin of positioner tool is cut off, the lower valve body is opened, while bypass is closed, lower positioner is lifted, when observing that there is no pulse in the tubing, the lower valve body is opened, and tool string can carry out normal cyclic operation;S6, after work is completed, positioner is removed, electromagnetic signal reading is read, battery is replaced, and tool is maintained.The present application can realize positioning to tool depth by wireless mode.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +2

Barrier gate sensing system and method based on radar sensor and drive control

The invention discloses a barrier gate sensing system and method based on a radar sensor and drive control, and relates to the technical field of barrier gate sensing, and the system comprises an authorized vehicle recognition module, a barrier gate state adjustment module, a drive control and demand opening time analysis module, a driving state analysis module, a barrier gate high-voltage period judgment module and a barrier gate warning module. A radar sensor and a camera monitor vehicles in a barrier gate response area in real time, distinguish authorized vehicles and unauthorized vehicles, adjust the state of the barrier gate according to vehicle information, control the barrier gate to be closed or opened when the barrier gate is in an openable state, update the required opening duration of the barrier gate when the barrier gate is in an open state, and judge the driving state of an observation area. And judging that the barrier gate pressure judgment period is the barrier gate high-pressure period, and prompting a manager to rectify and manage the barrier gate when the barrier gate high-pressure period continuously occurs, so that lane resources are utilized more efficiently through a preset judgment mechanism.
Owner:深圳市龙雷科技有限公司

Highway variable information sign networking intelligent induction method and system

The invention relates to the field of intelligent traffic systems, discloses a highway variable information sign networking intelligent induction method and system, and aims to solve the problems of information isolated island, response lag and strategy static state of an existing induction system. The method comprises the following steps: fusing multi-source heterogeneous perception data to construct a high-precision road network traffic state digital twinborn model; generating a variable information mark group based on a model prediction result and an emergency event instruction, and safely issuing a control instruction through a national cipher SM4 encryption link; after execution, downstream response data are collected for deviation analysis, and closed-loop feedback optimization is triggered. The system comprises a multi-source data access module, a digital twin modeling module, a strategy generation module, a mark marshalling management module, a safety issuing module and an effect evaluation module. The road network traffic efficiency, the emergency response capability and the driver decision support level are remarkably improved through space-time accurate prediction, multi-stage collaborative induction and closed-loop self-optimization mechanisms.
Owner:XINXIANG BRANCH OF HENAN TRANSPORTATION INVESTMENT GROUP CO LTD

Runway race induction system

The invention discloses a runway race sensing system which comprises student wearing equipment, terminal point sensing equipment, starting point sensing equipment, a data processing terminal, a large display screen and turn number sensing equipment. The student wearing equipment is provided with an elastic arm band, is integrated with a GPS (Global Positioning System) and an NFC (Near Field Communication) meal card binding module and is used for storing an erasable pairing code, and a bound lost meal card can be reversely found through the GPS; the terminal point, starting point and turn number sensing equipment is buried in the runway and is matched with the student equipment for sensing through high-frequency radio frequency; the starting time difference and the instruction time difference are compared to intelligently judge false start, and response difference misjudgment is avoided; the turn number equipment counts the passing times, and the terminal equipment records the line punching time; according to the invention, the timing error is small, the false start identification is accurate, the fault tolerance is strong, and the counting of the number of turns has zero error; equipment replacement only needs to rewrite the pairing code, and the meal card retrieving function is achieved; the system integrates functions of identity recognition and the like, and is suitable for various running events in schools.
Owner:HANGZHOU VOCATIONAL & TECHN COLLEGE

Converter pulverized coal injection equipment and method

The invention belongs to the field of metallurgy, and particularly relates to a converter pulverized coal injection device and method.The converter pulverized coal injection device comprises a converter body, a flue gas cooling system, a dust removal system, an induced draft system, a coal gas component analysis system and a gas holder which are sequentially connected, and further comprises an oxygen lance and a coal injection system, and the coal injection system comprises a coal injection lance and a lifting device; the coal injection gun comprises a coal injection conveying straight pipe and a semi-ring-shaped multi-injection-hole coal injection gun head, the top of the coal injection conveying straight pipe is fixedly connected with a lifting device, the bottom of the coal injection conveying straight pipe is connected with the semi-ring-shaped multi-injection-hole coal injection gun head, and the semi-ring-shaped multi-injection-hole coal injection gun head penetrates into the converter body; according to the arrangement mode of the oxygen lance and the coal injection system, the height of the coal injection system can be adjusted according to different reaction stages, so that the phenomenon that a coal injection nozzle is burnt and blocked is prevented, the injection amount of pulverized coal is convenient to adjust, the coal injection efficiency is improved, and the service life of the coal injection system is prolonged. And the coal gas amount and the dry distillation pulverized coal recovery amount are increased.
Owner:SHENYANG DONGDASHANHUI ENVIRONMENTAL TECH CO LTD

Induction heating system

An induction system includes a single power inverter, a plurality of power branches coupled to the single power inverter in parallel, and a controller. Each of the plurality of power branches includes an induction coil, a capacitor coupled to the induction coil to form a resonant circuit, and a power switch coupled in series with the resonant circuit. The controller is configured to regulate an output power of the resonant circuit of each of the plurality of power branches by varying a switching frequency of the single power inverter to adjust the output power of the resonant circuit of all of the plurality of power branches and / or selectively transmitting a signal to the power switch of a respective power branch of the plurality of power branches to turn-on and turn-off the power switch of the respective power branch to individually adjust the output power of each of the plurality of power branches.
Owner:HATCO CORP

Inertial interfacial manipulation method and geometries

The invention provides a system (1) for fluid manipulation, wherein the system (1) comprises a first liquid supply (10), a second liquid supply (20), a microfluidic device (100), a cavitation induction system (200), and a control system (300), wherein: the first liquid supply (10) is configured to provide a first liquid (15) to the microfluidic device (100); the second liquid supply (20) is configured to provide a second liquid (25) to the microfluidic device (100); the microfluidic device (100) comprises a hosting chamber (110), wherein the hosting chamber (110) has a chamber length (L) defined by a first chamber end (111) and a second chamber end (112), wherein the hosting chamber (110) has an average equivalent circular diameter (D) perpendicular to the length (L), wherein L ≥ 3*D; wherein the cavitation induction system (200) is selected from the group comprising a laser-based heating system, an electric discharge system, and a heater; and wherein the control system (300) is configured to control the first liquid supply (10), the second liquid supply (20), and the heating system (200), and wherein the control system (300) has an operational mode wherein: in a preparation stage the first liquid supply (10) and the second liquid supply (20) are configured to provide a liquid multilayer (400) in the hosting chamber (110), wherein the liquid multilayer (400) comprises n layers (450) sequentially arranged along the chamber length (L), wherein n ≥ 2, wherein adjacent layers (450) are distinct phases, and wherein the layers (450) comprise a first liquid layer (415) comprising the first liquid (15) arranged adjacent to a second liquid layer (425) comprising the second liquid (25); and in a cavitation stage the cavitation induction system (200) is configured to induce cavitation of the first liquid (15) at a first location (41), wherein the first location (41) is arranged in the first liquid layer (415).
Owner:UNIVERSITY OF TWENTE +1