683results about How to "Start fast" patented technology

The invention relates to the field of sewage control, in particular to a nano zero-valent iron and zeolite molecular sieve synergistic composite material as well as a preparation method and application thereof. The nano zero-valent iron synergistic zeolite molecular sieve composite carrier (nZVI at Z-PU) is successfully prepared through an impregnation method, the preparation method is simple and controllable, and corresponding substances are introduced in the preparation process, so that the composite carrier has the structure and properties of being rough in surface, hydrophilic and carrying positive charges. Through modification, the ammonia nitrogen adsorption capacity of the nZVI-Z-PU is increased to 4-6.5 mg / g carrier, meanwhile, the initial adsorption capacity of the nZVI-Z-PU to microorganisms is remarkably improved and is 8.7 times that of a common polyurethane sponge carrier, and the initial adsorption capacity of the nZVI-Z-PU to the microorganisms is far superior to that of the common polyurethane sponge carrier. Therefore, after the zeolite molecular sieve and the nZVI are combined, the generation of NOB can be remarkably inhibited, and meanwhile, the activity of AnAOB is improved.

The invention belongs to the technical field of battery thermal management, and discloses a battery pack and a phase change material coupling liquid cooling composite thermal management system.The battery pack comprises a plurality of battery structures, each battery structure comprises a lithium battery, a fin structure, a phase change material filling area and a liquid cooling plate, and the fin structure is arranged on the periphery of the lithium battery; the liquid cooling plate is arranged on the periphery of the fin structure, a phase-change material filling area is formed between the liquid cooling plate and the fin structure, and the phase-change material filling area is filled with a phase-change material for absorbing redundant heat and generating phase change, so that the temperature fluctuation of the battery is reduced. The lithium bromide heat pump and the direct-current power supply are combined, and accurate adjustment of the temperature of the battery pack is achieved through efficient heat exchange and intelligent control. The system can be rapidly switched between a cooling mode and a heating mode, and it is ensured that the battery is always kept within the optimal temperature range in different working environments.

The utility model discloses a stable combustion device for high-pressure rotating sliding arc plasma ignition. The stable combustion device comprises a cathode assembly, a locknut, an insulating supporting ring, a connecting plate, a rear side air inlet, an anode air duct, a rotational flow air chamber and a front side air inlet. The cathode assembly comprises a binding post, a guide rod, a central electric pole, a conical cathode seat and a central cathode inner core which are sequentially connected into a whole in a threaded mode, the cathode assembly is fixed to the center of the anode air duct through an insulating supporting ring, and a multi-groove flow guide ring, a rotational flow air chamber and a rotational flow hole are formed in the front side of the anode air duct; after medium gas is introduced, under the excitation of an electric field, a plasma arc generated between the electrodes slides to the central cathode inner core along the conical cathode seat under the pushing of airflow, and a cycle process of breakdown-stretching-arc quenching-re-breakdown is periodically carried out, so that sliding arc plasma is generated; meanwhile, the plasma arc has the advantages of being high in energy density, improving the chemical reaction rate and the like, and ignition and stable combustion functions are provided for the industrial combustor. The structure is simple, starting is rapid, and the electrode service life is long.

The invention relates to the technical field of hydraulic servo control systems, and discloses a high-precision hydraulic servo control system and a fault diagnosis method thereof.The hydraulic servo control system comprises a system control module, a hydraulic execution module, a data feedback module, an automatic compensation module and a feedback control module; the system control module is used for receiving and processing an input signal and outputting a control instruction; the hydraulic execution module is used for generating a corresponding hydraulic action according to the control instruction; the data feedback module is used for detecting the actual position and pressure of the hydraulic execution module and transmitting a feedback signal to the automatic compensation module; the automatic compensation module is used for eliminating system errors through a compensation algorithm; the feedback control module is used for comparing the difference between the system output and a set target, generating a deviation signal, and adjusting the input of the system by using the signal, so that the system output is closer to the set target; through the system, the control precision and stability of the hydraulic servo control system can be improved.

The utility model relates to mesh spot welding equipment. The mesh spot welding equipment comprises a controller, the reinforcing steel bar assembling platform comprises a frame body, a longitudinal positioning assembly used for positioning and placing longitudinal reinforcing steel bars and a transverse positioning assembly used for positioning and placing transverse reinforcing steel bars. The material preparation frame is provided with an upper-layer material preparation area and a lower-layer material preparation area which are used for placing the reinforcing steel bar assembling platform; the moving mechanism comprises a three-axis moving platform and a positioning frame used for positioning and placing the steel bar assembling platform, the three-axis moving platform is arranged close to the material preparation frame, the three-axis moving platform drives the positioning frame to move, and the positioning frame can directly face the upper-layer material preparation area and the lower-layer material preparation area; the spot welding mechanism comprises a first lifting assembly, a second lifting assembly and an electrode welding machine, the electrode welding machine comprises a machine table, a first electrode column and a second electrode column, the first lifting assembly drives the first electrode column to move up and down, and the second lifting assembly drives the second electrode column to move up and down. The mesh cutting device can be used for processing meshes of various specifications, and is simple and convenient to adjust and high in efficiency.

The invention relates to the technical field of integrated circuit design, and discloses a crystal oscillation circuit and a crystal oscillator, and the crystal oscillation circuit comprises a core oscillation circuit which is configured to output oscillation voltage; the voltage amplitude detection circuit is connected with the core oscillation circuit and is configured to detect the amplitude of the oscillation voltage and output direct current voltage according to the amplitude of the oscillation voltage; the first bias circuit is respectively connected with the voltage amplitude detection circuit and the core oscillation circuit and is configured to output a first bias current according to the direct current voltage; the second bias circuit is connected with the core oscillation circuit and is configured to output a second bias current according to the temperature change; wherein the first bias current and the second bias current act on the core oscillation circuit and provide bias current for the core oscillation circuit. According to the crystal oscillation circuit, the circuit power consumption after crystal oscillation starting can be reduced under the condition of realizing rapid crystal oscillation starting.

The invention relates to the technical field of gas supply, and discloses a steel ladle bottom blowing slow-release gas supply structure and method. The control module is arranged on the steel ladle main body and is used for being responsible for automatic control including sensor data monitoring and valve opening adjusting; the sensor module is arranged on the steel ladle body and used for monitoring temperature, pressure and gas flow parameters in real time and feeding data back to the control module; the gas supply module is used for conveying through high-pressure air or other inert gases and providing a stable gas source for the bottom blowing device of the steel ladle main body; and the slow release device is arranged at the bottom of the steel ladle main body and is used for slowly releasing the supplied gas so as to ensure the uniform distribution of the supplied gas. According to the steel ladle bottom blowing slow-release gas supply structure and method, the efficiency and safety in the smelting process are improved, the product quality is improved, resource saving and intelligent management are achieved, and important support is provided for development of the modern steel and iron manufacturing industry.

The invention discloses a method for automatically testing an interface based on RPA. The method comprises the following steps: making a test plan; building a test framework; compiling a test script; performing integrated testing; executing the test script; analyzing a test result; and maintaining the test script. Based on an RPA tool, through a graphical interface and predefined operation, a tester can create an automatic test script without writing any code, and the tester can define a complex test process only through simple dragging, clicking and configuration; an RPA tool is generally designed to be visual and easy to use, even a tester without any programming experience can quickly master the RPA tool, and the tester can master the basic skill of automatic testing through simple training and practice; the RPA has a unique verification mode for the login system needing to be verified, targeted system verification can be carried out, and the login interface can obtain the token conveniently.

The invention relates to an electromagnet nonlinear variable stiffness unit cell and metamaterial vibration isolation support which comprises an electromagnet-spring-electromagnet variable stiffness unit, an auxiliary stiffness adjusting component and a stiffness adjusting and eddy current damping energy dissipation component, and the electromagnet-spring-electromagnet variable stiffness unit comprises a first electromagnet, a second electromagnet and a pre-pressing spring. The first electromagnet and the second electromagnet are connected through a pre-pressing spring, the auxiliary rigidity adjusting component comprises a magnetic support and a hollow sleeve, the electromagnets are connected with the magnetic support through springs, the rigidity adjusting and eddy current damping energy dissipation component comprises an electrified guide plate and a magnetic guide plate, and the electrified guide plate and the magnetic guide plate are arranged on the hollow sleeve at intervals. The electromagnet-spring-electromagnet variable stiffness unit penetrates through the hollow sleeve in a suspended mode. Compared with the prior art, the time-varying controllable and adjustable rigidity in the local resonance unit in the metamaterial unit cell is realized, and the self-adaptive band gap adjustment and vibration reduction enhancement effect based on the displacement amplitude is realized.

The invention discloses a water electrolysis hydrogen production flexible ammonia synthesis coupling system, and relates to the technical field of energy utilization. Comprising a renewable energy power supply, a water electrolysis hydrogen production unit, a synthesis ammonia unit, an energy recovery and transfer unit, an information prediction unit and a control unit, the water electrolysis hydrogen production unit comprises an alkaline electrolytic bath, and the alkaline electrolytic bath is connected with a renewable energy power supply; the ammonia synthesis unit comprises an ammonia synthesizer; the hydrogen source supply device is connected with the hydrogen outlet end of the alkaline electrolytic bath; the energy recovery and transfer unit comprises a first heat exchanger, one end of the first heat exchanger is connected with the ammonia synthesizer, and the other end is connected with the alkaline electrolytic bath; the information prediction unit is used for acquiring power supply prediction information and ammonia load demand prediction information of renewable energy sources, and the control unit is used for performing scheduling control on the water electrolysis hydrogen production unit and the ammonia synthesis unit. The system provided by the invention can better adapt to the volatility of the renewable energy power supply, and ensures the stable proceeding of the production process.

The invention belongs to the technical field of continuous casting roller bearing seat repairing, and particularly relates to a novel auxiliary device for repairing a continuous casting roller bearing seat and a repairing method. The device comprises a rotating support which is placed on a workbench and used for supporting and positioning the repairing device; the vibration module is vertically and rotationally mounted at the top end of the rotating support and used for vibrating the supporting plate and the clamping assembly mounted at the top end of the supporting plate so as to eliminate stress; the supporting plate is fixed above the vibration module; the clamping assembly is installed on the supporting plate, the clamping assembly comprises a handle and two limiting plates, and the distance between the two limiting plates is reduced by rotating the clamping assembly, so that the two limiting plates clamp the continuous casting roller bearing seat. According to the invention, the repairing quality and the working efficiency can be improved, and the safety and the convenience of operation are enhanced.

The invention belongs to the field of power grid safety prediction, and provides an urban underground cable tunnel network fire hazard temperature prediction method and a related device, and the method comprises the steps: collecting the environment data in a cable tunnel and the material data of a cable; establishing a three-dimensional finite element model comprising an electromagnetic field, a thermal field and a fluid field based on the environmental data and the material data, simulating temperature responses of the cable under different conditions, and obtaining sample data of cable core temperature; the method comprises the following steps: training a convolutional neural network (CNN) to extract features based on environment data and material data, processing time sequence data through a long short-term memory (LSTM) network, and constructing a CNN-LSTM hybrid model; and taking the obtained sample data of the cable core temperature as the input of the CNN-LSTM hybrid model to obtain a predicted value of the cable core temperature. The method not only improves the accuracy and real-time performance of prediction, but also enhances the adaptability and robustness of the model to a complex environment, and has wide application prospects and important social values.

The invention relates to electric power operation and maintenance, and particularly discloses an alarm reminding tool for task whole-process visual management, which comprises a data acquisition module used for automatically acquiring related work task information in all business systems by using a Python technology; the data processing module is used for cleaning, screening and sorting the acquired data; the data analysis module is used for analyzing the scheduling operation business data in the database; the data input module is used for acquiring data input manually or imported through an excel file; and the visual display module is used for visually displaying the analysis result in the calendar table in the form of key words and color categories according to requirements. According to the alarm reminding tool for visual management of the whole task process, visual management and alarm reminding of the whole task process can be achieved, and then the problems that in the prior art, the working efficiency is low, and the task completion punctuality rate is low are solved.

The utility model discloses an aerosol fire extinguishing device with a sealing mechanism, which comprises an aerosol fire extinguisher main body, a rotating ring and a rotating ring base, the rotating ring is arranged on the outer side of the aerosol fire extinguisher main body, the rotating ring base is arranged on the inner side of the rotating ring, the inner side of the rotating ring is fixedly connected with a trigger ring, and the trigger ring is fixedly connected with the sealing mechanism. A button is arranged on the outer side surface of the aerosol fire extinguisher body, a connecting rod is fixedly connected to the upper surface of the rotating ring, and a cutting rotating ring is fixedly connected to the upper end of the connecting rod. The rotating ring and the rotating ring base are arranged, so that field personnel can quickly start the device even in the state of out-of-control emotion and tension, the device is simpler and more convenient to operate, the response time under emergency conditions is shortened, an aluminum film on the top of the sol fire extinguisher main body in a placed state can prevent dust or impurities from entering an aerosol nozzle, and the safety of the sol fire extinguisher is improved. Therefore, it is ensured that the spraying effect of the aerosol nozzle reaches an ideal effect during follow-up fire extinguishing operation.

The invention provides AR + AI intelligent glasses for improving the safety level of electric power construction, and the AR + AI intelligent glasses comprise a rack, a high-resolution display screen, a nose pad, a head band, a detachable anti-dazzle cover, a high-quality camera, a sensor system, intelligent lenses, a microphone pickup and a data processing unit, and one side of the rack is provided with the nose pad and the head band; a detachable anti-dazzle cover, a high-quality camera, a sensor system and an intelligent lens are arranged on the other side of the rack; the intelligent glasses are further provided with an AR technology application module, an AI data processing module and a user interaction and feedback module. Through the AR + AI intelligent glasses technology, more timely and accurate power equipment information display, safety specification operation guidance and safety risk pre-judgment and early warning are provided.

The invention belongs to the technical field of nuclear power, and particularly relates to a nuclear power main steam isolation valve vibration state monitoring system and method based on multiple sensors. According to the nuclear power main steam isolation valve vibration state monitoring system based on the multiple sensors, the characteristic indexes capable of reflecting the equipment vibration intensity and the equipment state monitoring algorithm are constructed, the abnormal vibration can be timely and effectively alarmed, and the accident emergency response speed is increased; the invention provides an algorithm for converting a vibration signal into an audio signal, realizes online monitoring of vibration noise by using the collected vibration signal on the basis of not additionally adding a sensor, and saves the cost; the host of the system for monitoring the vibration state of the nuclear power main steam isolating valve is researched and developed, and the functions are integrated, so that on-site maintenance personnel can quickly operate, the continuous monitoring of the vibration noise of the main steam isolating valve is met, the manual detection requirement is reduced, the labor cost is saved, and the safety of a nuclear power station is improved.

The invention discloses a method for isolating a server hook based on a sandbox, and according to the scheme, the security, the resource management efficiency and the isolation of Server hooks in a code management platform are remarkably improved, the defects in the aspects of resource consumption, authority control and the isolation in the prior art are effectively overcome, and the efficient and safe management requirements on the Server hooks in a multi-tenant environment are met. By the adoption of the scheme, resource consumption can be saved, and quick starting can be achieved, the Isole sandbox can execute codes immediately, the whole mirror image does not need to be loaded in advance, and resource use of each process can be specifically and finely controlled, so that resource management is more efficient. The Isole sandbox realizes quick response and efficient resource utilization through lightweight resource management and independent process space, and meanwhile, the process of each tenant is ensured not to interfere with each other.

The invention provides an intelligent regulation and control system and method for a livestock and poultry breeding environment. The intelligent regulation and control system comprises an environmental factor module, a monitoring module and a judgment module. The environment factor module comprises a to-be-monitored environment factor category and a basic value of the environment category, and the monitoring module can acquire the environment factor value at a set frequency and period; the judgment module can judge whether the environmental factors are abnormal or not according to the environmental factor numerical values obtained by the monitoring module and the basic numerical values in the environmental factor module. The accuracy and safety of the intelligent regulation and control system are improved.

The invention provides a low-latency redundancy communication protocol based on an improved PRP protocol, which is compatible with a PRP protocol standard of IEC 62439-3-2016 and works on a link layer. The dual-redundancy port is connected to an upper-layer protocol through a link redundancy entity and is transparent to the upper-layer protocol; the network end nodes are provided with dual-redundancy or triple-redundancy network ports which are respectively connected to networks which are mutually independent and have the same topological structure, and the networks work in parallel; and the same IP address and MAC address are set for each network port to which the end node supporting the PRP protocol belongs. The method is characterized in that a redundancy discarding algorithm is changed into a mode of directly uploading a first communication frame to an application layer; taking {a source IP address, a source MAC address and a frame sequence number} as a judgment condition of a redundant frame; the method comprises the following steps: writing a single-network-port node IP address in a network into a configuration file in advance in a node by adopting a pre-configuration file mode; and network port link on-off frequency statistics, super receiving window statistics, frame number discontinuous statistics and redundant frame asynchronous frequency statistics are added.

The invention discloses a control method, device, equipment and system for a heterogeneous multi-core chip, and relates to the technical field of chips, the control method for the heterogeneous multi-core chip is applied to a main core of a first core, and the method comprises the following steps: when an external wake-up request is received, sending a first power-on control instruction to a second core in the heterogeneous multi-core chip, the second core executes a starting program according to the first power-on control instruction; and when the first power-on control instruction is sent to the second core, generating a second power-on control instruction according to a parallel starting strategy, and respectively sending the second power-on control instruction to a plurality of sub-cores in the first core of the heterogeneous multi-core chip, so that each sub-core executes a starting program according to the second power-on control instruction. By means of the mode, rapid starting, high stability and high reliability of the heterogeneous multi-core chip are achieved, and the comprehensive requirements of the heterogeneous multi-core chip for energy efficiency, safety and real-time performance under variable working conditions are met.

The invention discloses a processing method and device for improving the page loading speed of a Vue frame. The processing method comprises the following steps: dynamically loading a JavaScript module to a specified page according to specified requirements; creating a CSS (Cascading Style Sheet) file, and dynamically creating lt through a JavaScript module at a position where the CSS file needs to be loaded; a linkgt; labeling the CSS file path, and setting the CSS file path as the path attribute of the external resource file; carrying out picture lazy loading on the specified page, and when the specified page is loaded for the first time, replacing the actual picture with the display position map; when a user scrolls a page or approaches a picture position, monitoring a scrolling event of the user, and dynamically loading picture resources through a JavaScript module; using lt for the specified page; a linkgt; and the label carries out component lazy loading, and in the component lazy loading process, when the specified component needs to be specified and loaded, the code of the corresponding component is loaded. According to the method, the problems of low page loading speed, low rendering efficiency and poor compatibility, expandability and safety in the prior art are solved.

The utility model relates to a wheel hub motor, which comprises a wheel hub, end covers, a rotating main shaft, connecting spokes, a stator and a rotor, the whole wheel hub is annular, the end covers are respectively fixed at openings at two sides of the wheel hub to form a closed cavity, and the connecting spokes, the stator and the rotor are arranged in the closed cavity; the rotating main shaft is arranged at the central axis of the end cover through a rotating bearing, the connecting spokes are arranged in the radial direction of the hub, one end of each connecting spoke is fixedly connected with the rotating main shaft, and the other end of each connecting spoke is fixedly connected with the stator; and the rotor is fixed on the inner side of the end cover, is positioned on the outer side of the stator and is arranged close to the stator. The motor is stable and reliable in working performance, and can meet the working requirements of large torque and high speed.

The invention relates to a method for enriching anaerobic ammonium oxidation bacteria under combined regulation and control of NLR and HRT in the technical field of biological sewage treatment, and aims to solve the problems that the anaerobic ammonium oxidation bacteria are greatly influenced by the environment and are slowly enriched, NH4 < + >-N and NO2 <->-N with low matrix concentration are pumped into an SBR (Sequencing Batch Reactor); and the enrichment of anaerobic ammonium oxidation bacteria is successfully realized by continuously changing hydraulic retention time and water inlet matrix concentration. The total nitrogen removal rate is stabilized at 75%, the removal efficiency is good, the reactor can be flexibly regulated and controlled, rapid starting of the anaerobic ammonia oxidation reactor is facilitated, and a theoretical reference is provided for practical application of the Anammox process. The system is simple to operate, convenient to operate and manage and high in treatment efficiency, and has a good popularization and application prospect.

The embodiment of the invention discloses a page loading method and device and a computer program product, and belongs to the field of application programs.The method comprises the steps that a native page of an application program is loaded, and a webpage view page of a webpage view assembly is loaded; displaying a native page and a webpage view page located on the upper layer of the native page to obtain a first page; wherein the webpage view page is a transparent page, and the page content of the native page is displayed through the webpage view page. According to the method, the page loading speed can be increased.

The invention discloses a method, a system and a related device for starting an application, which are used for improving the starting speed of the application under the condition of limited resources and meeting the requirement of a payment task. The method comprises the steps of determining a starting trigger event of an application; a pre-configured configuration file is obtained according to the start trigger event, the configuration file comprises a target frequency corresponding to the start trigger event, and the target frequency is greater than a default operation frequency; and starting the application according to the target frequency response to the starting trigger event.

The invention discloses a single-steel-wheel road roller extended-range hybrid power system and a control method thereof.The system comprises a VCU complete machine controller, a battery pack, and a PDU distribution box, an ECU controller, a battery high-voltage box, a DC converter, an execution device and a range extender which are in signal connection with the VCU complete machine controller. The transmission efficiency of whole vehicle operation is low, and the cruising ability is poor in a pure electric mode.

The invention discloses a silicon-based liquid crystal display device capable of improving low-temperature starting speed and a vehicle, the silicon-based liquid crystal display device comprises a temperature adjusting module and a silicon-based liquid crystal display chip module, and the temperature adjusting module is arranged on the silicon-based liquid crystal display chip module. The temperature adjusting module comprises a semiconductor refrigerating element capable of refrigerating and heating, a heating element used for heating and a power supply circuit, the semiconductor refrigerating element and the heating element are arranged on the power supply circuit in parallel, and a circuit branch where the heating element is located is provided with a diode. By the adoption of the silicon-based liquid crystal display device, the silicon-based liquid crystal display device of the vehicle can be started at a higher speed in a low-temperature environment, quick response is achieved, and the temperature adjusting module enables the silicon-based liquid crystal display device to adapt to a wider environment temperature range.

The invention relates to the technical field of experimental instruments, and discloses an oscillation driving device and a culture device. The oscillation driving device includes: a base plate; the motor is arranged below the bottom plate; the eccentric shaft assembly is arranged above the bottom plate, the eccentric shaft assembly comprises a rotating shaft and an eccentric shaft which are eccentrically arranged, and the rotating shaft penetrates through the bottom plate to be connected with the motor; the driving plate is arranged above the eccentric shaft assembly and is connected with the eccentric shaft; and the fixing mechanism is located between the driving plate and the bottom plate, a limiting part is limited by the fixing mechanism, and the limiting part is matched with the eccentric shaft assembly and / or the driving plate so that the eccentric shaft assembly can drive the driving plate to move along a preset track. Therefore, the oscillation driving device is directly driven by the motor, the transmission loss is reduced, and the noise is reduced.

The invention provides an ammonia decomposition electromagnetic heating combustion quick starting device which is characterized in that an electromagnetic heating reactor (R02) is used for heating input ammonia gas so as to accelerate the cracking speed of the ammonia gas, and the electromagnetic heating reactor comprises an electromagnetic heating coil (11); the device further comprises a plurality of electromagnetic induction heating ammonia decomposition tubes (4) which are arranged in parallel at the central axis area of the electromagnetic heating coil; the input end of the electromagnetic induction heating ammonia decomposition tube nest is communicated with an ammonia gas input port, a micro-channel structure with a small tube diameter is adopted to increase the electromagnetic induction heat efficiency, and the contact area between the tube wall and ammonia gas is increased to optimize the heating cracking effect; ammonia can be quickly decomposed into hydrogen and nitrogen for combustion.

The invention provides a wireless remote fire-fighting fan control system based on the Internet of Things technology, and aims to solve the problem of complexity of fire-fighting fan control in a large building group. The system realizes remote monitoring and unified control of a plurality of fans through an integrated management platform, and has the functions of self-inspection, fault feedback, intelligent fire-fighting linkage and the like. The system adopts an advanced wireless communication technology, ensures stable transmission of signals in a long distance, can quickly start the fan when a fire occurs, monitors the working state of the fan in real time, receives cloud linkage information, and improves the emergency response speed and management efficiency. In addition, maintenance and operation of equipment are simplified, the transformation cost and difficulty are reduced, and a powerful guarantee is provided for fire safety of modern buildings.