133results about How to "Reduce startup time" patented technology

According to the energy storage coupling heat pump steam generation method and system, the mode that the heat pump device and the energy storage device cooperatively operate is adopted, and efficient and economical steam supply is achieved. The method comprises the steps that high-temperature water is prepared and stored in the off-peak electricity period through the heat pump device, and the high-temperature water is further heated through the energy storage device to generate superheated steam for a user to use. The energy storage device comprises a plurality of energy storage modules, and a heat exchange pipeline of the energy storage device can be switched between a parallel connection mode and a series connection mode through switching, so that deep heat release and flexible regulation and control are achieved. According to the method, the energy storage capacity and heat release power of the energy storage module are dynamically adjusted, enthalpy increment distribution of the heat pump and the energy storage device is optimized in combination with load prediction, and diversified steam requirements are met. And meanwhile, preheating or dynamic supplement is conducted on the energy storage module through the heat pump device, waste heat recovery is achieved, and the energy efficiency is improved. According to the method, the operation cost is remarkably reduced, the capacity of the system for adapting to load fluctuation is enhanced, and the method is suitable for industrial steam use scenes and has the advantages of being efficient, stable and flexible.

The invention discloses a rapid cold start flameless combustion furnace and a control method, and relates to the technical field of combustion equipment.The rapid cold start flameless combustion furnace comprises a combustion furnace body and an inductance heating assembly, a combustion cavity is formed in the combustion furnace body, and the combustion cavity is provided with an air jet nozzle, a fuel nozzle and a tail gas exhaust port; the air jet nozzle and the fuel nozzle are oppositely distributed on the two opposite sides of the combustion cavity and arranged in an opposite jet mode, and the furnace wall of the combustion cavity is a metal component. The inductance heating assembly comprises an inductance coil spirally surrounding the periphery of the combustion furnace body, and the area surrounded by the inductance coil corresponds to the combustion cavity. According to the flameless combustion furnace, the furnace wall of the combustion cavity which is a metal component is heated through the inductance coil, so that the temperature in the combustion cavity is rapidly increased, the temperature of the furnace wall of the combustion cavity is higher than the spontaneous combustion temperature of fuel, the fuel is ignited, and rapid cold start and stable combustion of the flameless combustion furnace are achieved.

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 discloses an alkaline water electrolysis hydrogen production system, and belongs to the technical field of water electrolysis hydrogen production. For the alkaline water electrolysis hydrogen production system provided with a plurality of electrolytic cells, when the system is in a heating stage, the alkali liquor heater is used for quickly heating the alkali liquor entering the single electrolytic cell, so that the quick cold start of the system can be realized, the start time of the system is greatly shortened, and the energy consumption is reduced. The purposes of greatly improving the operation efficiency, saving energy and reducing consumption under the condition of low energy consumption are achieved. Besides, when the system is in a heat exchange stage, the heating of the rest low-temperature alkali liquor led out from the liquid storage tank is controlled by the heat of the hot alkali liquor of the operated electrolytic bath, so that the requirement of rapid temperature rise of the alkaline water electrolysis hydrogen production system of the plurality of electrolytic baths is met, and the comprehensive energy conservation and consumption reduction of the system are realized.

The invention relates to the technical field of computers, and discloses a development platform mirror image generation method, device and equipment and a storage medium, the method comprises the following steps: obtaining a first development platform, configuring a lazy mirror image file on the first development platform, generating a second development platform comprising a lazy mirror image switch, and displaying the lazy mirror image switch on the second development platform; receiving an operation of clicking the lazy mirror image switch by the user; and responding to the operation to trigger making of the lazy mirror image file, converting the format of the first mirror image into a lazy mirror image according to a preset rule, and loading the lazy mirror image into a mirror image warehouse. According to the method, the amount of data needing to be loaded when the container is started is reduced, the starting time of the container is shortened, the starting speed of the container is increased, meanwhile, resource consumption when the container is started is reduced, the load of a main node in a development platform is relieved, and the use efficiency of overall resources is improved.

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 relates to a magnetic suspension bearing control system and method and refrigeration equipment, and the system comprises a magnetic suspension bearing control module which is used for controlling a magnetic suspension bearing; the battery management module is electrically connected with the magnetic suspension bearing control module; and the master control module is respectively connected with the magnetic suspension bearing control module and the battery management module and can control the battery management module to store electric energy when the voltage of the magnetic suspension bearing control module is excessive and supply power to the magnetic suspension bearing control module when the power supply of the magnetic suspension bearing control module is insufficient. According to the technical scheme of the magnetic suspension bearing control system, through cooperative work of the battery management module and the master control module, the stability, the energy-saving performance and the response speed of the system are enhanced, the service life of equipment is effectively prolonged, and the maintenance cost is reduced. The integrated solution provides a safer, more reliable and more economical operating environment for high-performance and high-precision mechanical equipment.

The utility model discloses a high-purity nitrogen production system which comprises a gas inlet module, a rectifying tower, a first liquid nitrogen storage tank, a second liquid nitrogen storage tank and a return tank, the air inlet module is used for providing raw materials and cold energy into the rectifying tower; the liquid nitrogen outlet of the upper tower of the rectifying tower is connected with the inlet ends of the first liquid nitrogen storage tank and the second liquid nitrogen storage tank, the outlet ends of the first liquid nitrogen storage tank and the second liquid nitrogen storage tank are connected with the return tank, and the return tank is connected with the lower tower of the rectifying tower. The first liquid nitrogen storage tank and the second liquid nitrogen storage tank are used for guiding part of liquid nitrogen output by the upper tower of the rectifying tower into the lower tower of the rectifying tower so as to supplement cold energy for the lower tower to maintain operation of the lower tower, the liquid nitrogen storage tanks and the return tank are static equipment, shutdown and starting do not need too much operation, heating and cold blowing procedures are not needed, and the cost is reduced. Compared with the prior art, the starting time of the high-purity nitrogen production system is shortened, the production efficiency is improved, meanwhile, sealing gas does not need to be used, the situation that the product nitrogen is polluted after the sealing gas is cut off does not need to be worried about, and the cost for maintaining operation of equipment is further saved.

The invention provides a kernel mirror image verification method and apparatus, an electronic device and a storage medium. The method comprises the steps of receiving kernel mirror image sampling data and kernel mirror image signature node information sent by an embedded device; and based on the kernel mirror image sampling data, the kernel mirror image signature node information and a signature verification public key, executing a verification process of the kernel mirror image file, and sending an obtained verification result to the embedded device. A central server is arranged, kernel mirror image sampling data and kernel mirror image signature node information sent by embedded equipment are received, and a signature verification public key in a storage space of the central server is received, so that kernel mirror image files loaded by the embedded equipment are verified; according to the method and the device, the signature verification task of the embedded device on the kernel mirror image file in the safe starting process is shared, so that the efficiency of the embedded device in the safe starting process is remarkably improved, the starting time is shortened, and the device performance is improved.

The embodiment of the invention provides a vehicle-mounted network time synchronization method and device, a storage medium and electronic equipment, and the method comprises the steps: carrying out the synchronization processing of each first slave clock according to a first time synchronization message periodically issued by a master clock, so as to achieve the time synchronization between each first slave clock and the master clock; the main clock is a pre-specified clock node in a time domain; under the condition that the master clock is abnormal, a standby clock is determined as a new master clock, and the standby clock is a pre-specified clock node in a plurality of first slave clocks except the master clock in a time domain; and according to a second time synchronization message periodically issued by the new master clock, performing synchronization processing on each second slave clock, so that time synchronization between each second slave clock and the new master clock is realized. The problem that the starting time of a vehicle-mounted sensitive system is long due to the fact that the new master clock node selection and switching process consumes long time in the related technology is solved.

The invention relates to the technical field of power system data processing, in particular to an optimal false data injection attack method and system for load-frequency control in a power system, and proposes time domain formalized modeling to find an OFDIA, minimize successful attack time, construct an OFDIA model and optimize load attack quantity; load measurement values of the whole power grid are considered in a compromise mode, the influence of power system parameters on successful attacks is analyzed, and a load frequency model of the power grid is modeled; modeling the dynamic behavior of the power system in the time domain optimization framework; and establishing a false data injection attack model, constructing an OFDIA model, and optimizing the load attack quantity. According to the method, under the condition that an attacker completely accesses the data of the power system, the damaged measurement number and the starting time are reduced, meanwhile, the attack concealment is ensured, consideration is provided for a defense mechanism of a control center, and safe operation of a power grid is ensured.

The present application discloses a vehicle starting method, device and vehicle, wherein the method comprises: determining whether any one of the vehicle's brake pedal, clutch pedal and starting device is triggered; if any one of the items is triggered, generating an unlocking instruction for the vehicle's locking mechanism to unlock the vehicle; detecting a vehicle start signal, and starting the vehicle after detecting the start signal. Thus, the problem of multiple start conditions to be verified during one-button start in the related art, resulting in a long start time and poor user experience is solved.

The invention provides a circulating biological filter based on packaged nitrifying bacteria and an operation method thereof.The circulating biological filter comprises a conical bottom area V1, a cylindrical reaction area V2 and a three-phase separation area V3, the bottom of the three-phase separation area V3 is communicated with the cylindrical reaction area V2, the bottom of the cylindrical reaction area V2 is communicated with the conical bottom area V1, and the conical bottom area V1 is communicated with the cylindrical reaction area V2. The three-phase separation area V3 is formed by a conical bottom inner cavity, the cylindrical reaction area V2 is formed by a reaction area inner cavity, and the conical bottom area V1 is formed by an overflow weir inner cavity. By optimizing the proportion of each part of the biological filter of the three-phase biological fluidized bed, the height-diameter ratio is reduced; and the flow guide cylinder and the flow guide cover are arranged, and air is utilized for pushing, so that an aerobic environment required by nitrifying bacteria can be ensured, the filler can be fully fluidized, the mass transfer effect is enhanced, and a good treatment effect on ammonia nitrogen pollutants in aquaculture tail water is achieved.

The utility model provides an on-line piston automatic assembly table for automobile brake calipers, which comprises a main body, and the top of the main body is fixedly connected with an assembly component and a stamping assembly component. The motor is used for driving the lead screw to rotate, the threaded block can be matched with the sliding rail and the sliding block to move on the lead screw in a threaded mode, then the machining platen is driven to move transversely, continuous stamping assembly can be conducted on the piston and the calipers in the containing groove, the continuous stamping assembly can achieve the uninterrupted production process, and the production efficiency is improved. The production plan can be quickly adjusted to meet the requirements of customers on products with different specifications and adapt to the production of the products with different specifications by utilizing different specifications of the placement grooves, the downtime caused by model change is reduced, the diversified market requirements are further met, and the market competitiveness is improved. The device is suitable for production of products of different specifications, and is beneficial for enterprises to expand product lines and markets.

An electronic circuit (1) for powering a plurality of electronic systems (2, 3, 4) of an electronic control unit (70) of a vehicle, the electronic circuit comprising: a power input detector (5) configured to detect an input voltage and to generate a first set signal as a function of the detected input voltage; a plurality of latches (6, 7, 8), where an output of the power input detector is connected to a respective set input of each of the plurality of latches, where each of the plurality of latches is configured to generate a respective enable signal in accordance with a first set signal; a plurality of power management circuits (13, 14, 15), where each latch is connected to its associated power management circuit, where each of the plurality of power management circuits is configured to power its associated electronic system according to the enable signal.

The present invention relates to an enhanced operation method of a full-process autotrophic denitrification process, and belongs to the technical field of biological treatment of nitrogen-containing wastewater. The present invention starts the full-process autotrophic denitrification process by setting a sludge internal reflow system on a membrane bioreactor, applying an electromagnetic field generating system on the internal reflow pipeline, and gradually increasing the ammonia nitrogen concentration of the influent. By regulating the magnetic field intensity and application cycle, the reflux ratio in the mixed liquid, and the dissolved oxygen concentration, the growth rate and activity of aerobic ammonia oxidizing bacteria and anaerobic ammonia oxidizing bacteria are promoted, so that the two can coexist harmoniously and efficiently, and the rapid start-up of the full-process autotrophic denitrification process is achieved, and the process operation stability is enhanced. The method to which the present invention belongs has a simple process and mild reaction conditions, and can improve the denitrification effect of the process under medium and low temperature conditions; the internal reflow of muddy water and the higher reflux ratio are conducive to the full mixing of activated sludge and sewage in the reactor, reducing the stirring power demand, reducing the reactor operation cost, and more easily forming granular sludge; the reactor is not limited by the size of the permanent magnet, has no magnetic field attenuation problem, can adjust the magnetic field intensity at any time, has a wider range of application, can be modified on the basis of the existing reactor, and is convenient for engineering application.

The invention relates to a ZYNQ-based multichannel AD9361 controller and a control method, and relates to the technical field of digital signal processing. Comprising an ARM processing system and a programmable logic system, and a controller module and a signal processing algorithm module are arranged in the programmable logic system; the controller module comprises an AD9361 controller 1 arranged in the ARM processing system, and an AD9361 controller 2, an arbiter, an AXI controller and a data distributor which are arranged in the programmable logic system, and further comprises independent SPI interfaces and independent GPIO interfaces which are in one-to-one correspondence with the AD9361 chips; the AD9361 controller 1 and the AD9361 controller 2 apply for a data transmission control right to the arbiter according to a control demand; each independent SPI interface and each independent GPIO interface are respectively connected with an SPI pin and a GPIO pin of the corresponding AD9361 chip; the ARM processing system and the programmable logic system are interconnected through an AXI bus. The circuit can be externally connected with a plurality of AD9361 chips, and supports multi-channel parallel control.

This disclosure provides an online total iron analyzer suitable for chemical monitoring during startup, comprising: a sample introduction and acidification unit for introducing and acidifying a water sample; a digestion unit connected to the sample introduction and acidification unit for receiving the acidified water sample and digesting the ferrous ions therein into ferric ions; a reaction and colorimetric unit connected to the digestion unit for performing a complexation colorimetric reaction between the digested water sample and a colorimetric reagent under alkaline conditions in a reaction tank to generate a complex with characteristic absorption; a detection unit connected to the reaction and colorimetric unit for measuring the absorbance of the colorimetric sample at a specific wavelength; and a control and processing unit connected to the sample introduction and acidification unit, the digestion unit, the reaction and colorimetric unit, and the detection unit, for controlling the operation of the sample introduction and acidification unit, the digestion unit, the reaction and colorimetric unit, and the detection unit, and calculating the total iron content in the water sample based on the absorbance value.

The present invention relates to a fixing device and an image forming apparatus, which can shorten a start-up time of the fixing device and improve an energy saving effect by effectively utilizing heat of a reflection plate without taking heat of a fixing member even in a case where a steam chamber having high heat conductivity is used for a nip forming member. It includes: a fixing belt which is annular and rotatable; a pressure roller which is opposed to the fixing belt and is provided to be rotatable; a heater which is provided inside the fixing belt and heats the fixing belt; a nip forming member which is provided inside the fixing belt and includes a steam chamber which forms a nip in opposition to the pressure roller; a reinforcing member which is provided inside the fixing belt and supports the nip forming member; and a reflection plate which is provided between the heater and the reinforcing member, reflects heat from the heater toward the fixing belt, and the steam chamber included in the nip forming member is in contact with the reflection plate through a heat conducting member.

The embodiment of the invention provides a BMS starting method and device, a BMS and a medium, and the method comprises the steps: firstly responding to a BMS starting instruction to execute a starting guide program of the BMS, and carrying out the code accuracy verification of the BMS according to a preset verification parameter for the BMS during the execution of the starting guide program, and obtaining a code verification result. Then, when the code verification result is that verification is passed, network initialization processing is conducted on the BMS, and in the network initialization processing process, starting data of the BMS are collected; and finally, after the network initialization processing is completed, sending a starting message of the BMS to the external interaction terminal according to the starting data and the initialized network configuration. Therefore, various transactions needing to be processed when the BMS is started can be processed in parallel, the starting time of the BMS is saved to the maximum extent, and the starting speed of the BMS is optimized.

The utility model relates to a coffee wastewater treatment device, which belongs to the technical field of coffee processing wastewater treatment and comprises a sediment pool, an adjusting pool, a yeast reactor, a solid-liquid separator, a water distribution pool, an A / O biochemical pool and a secondary sedimentation tank. The yeast reactor is internally provided with an aeration device and is filled with microbe beads, the microbe beads are in a fluidized state, and candida mycoderma bacteria are adsorbed on the microbe beads; the sediment tank is communicated with the regulating tank through an overflow pipe; the adjusting tank is communicated with the yeast reactor through a lifting pump and a pipeline; a water inlet of the solid-liquid separator is communicated with a water outlet pipeline of the yeast reactor; two overflowing partition plates are arranged in the A / O biochemical pool to divide the A / O biochemical pool into a hydrolysis area, a denitrification area and a nitrification area; effective treatment of wastewater can be achieved without adding alkali, an anaerobic reactor which is low in starting speed, high in water inlet condition requirement and unstable in operation in a conventional process can be replaced, up-to-standard discharge of sewage is achieved, and in addition, the device is short in starting time, good in system stability and capable of adapting to changes of the quality and the quantity of the sewage.

The utility model discloses a train fault linear array photographing device placed on parallel rail surfaces and having a self-cleaning function, belongs to the technical field of photographing devices, and aims to solve the problems that a traditional train fault linear array photographing device is unreasonable in arrangement height and poor in cleaning adaptability to an image acquisition area during working. A line scanning imaging system and a control and data processing unit are installed in the protection shell, the control and data processing unit is used for controlling the line scanning imaging system to conduct image collection and sending collected images to a terminal after conducting primary processing on the collected images, and a self-cleaning system is installed at the outer top of the protection shell; and the self-cleaning system is used for cleaning an image acquisition area at the front end of the protective shell. The linear array image acquisition device is mainly used for train bottom and wheel set fault detection.

The invention relates to a dual-module intercooler type fuel cell cathode inlet temperature and humidity cooperative control method. The method comprises the steps that fuel cell cathode air inlet real-time state parameters and operation parameters are obtained, a multivariable coupling prediction model is constructed after preprocessing, and a temperature and humidity reference and an oxygen stoichiometric ratio target reference are set in combination with heat exchange characteristics of a dual-module intercooler; then the core body heat exchange distribution proportion is regulated and controlled, humidification adjustment is matched, and the core body heat exchange distribution proportion and the humidification adjustment intensity are dynamically adjusted according to the real-time working condition; comparing the deviation between the adjusted actual temperature and humidity and the target temperature and humidity reference, and correcting the heat exchange distribution proportion and the humidifying adjustment parameter through a dynamic constraint correction model; cooperative regulation and control of cathode inlet temperature and humidity are realized, dynamic change of working conditions is adapted, and stable operation of the fuel cell is guaranteed.

The invention provides an all-terrain vehicle and a starting method thereof, the all-terrain vehicle comprises a vehicle body, wheels, a control system, a power system and a power control system, and the power control system comprises a whole vehicle controller, an engine controller and a generator controller; the generator is used for driving the power system to rotate; the vehicle control unit is used for sending a power system starting request instruction to the engine controller and the generator controller when the temperature of the power system is lower than a first preset temperature, and synchronously sending an oil injection instruction to the engine controller; the generator controller controls the generator to drive the power system to rotate after receiving the power system starting request instruction; and after the engine controller receives the power system starting request instruction and the oil injection instruction, the power system is controlled to inject oil. The starting success rate of the all-terrain vehicle can be increased in the low-temperature environment, the starting time is shortened, and meanwhile the manufacturing cost of the all-terrain vehicle is not increased.

This invention discloses a swirl-spray pre-combustion chamber co-combustion system and method for a UAV diesel engine. The system includes a cylinder block integrating a spherical pre-combustion chamber and a main combustion chamber, a glow plug, a swirl injector, a main injector, and a control unit. The swirl injector injects igniting diesel fuel into the pre-combustion chamber, forming a rich mixture adhering to the wall. After ignition by the glow plug, the high-temperature combustion gas is injected into the main combustion chamber through a jet channel to achieve multi-point synchronous ignition. The control unit integrates altitude adaptive correction and a dual closed-loop control strategy to match injection and ignition parameters in real time. This invention can effectively shorten the combustion duration, reduce cycle fluctuations, and significantly improve the combustion stability and environmental adaptability of the engine over a wide operating range.

The present invention belongs to the technical field of motor system control, and specifically relates to a slip control system of a high-power pulse generator set and a control method thereof. The slip control system comprises: a 2500kw motor, a slip device, a main monitoring PC, a PLC master station and a slip control cabinet and a plurality of slip control devices arranged in the slip control cabinet. The present invention realizes high-parameter and high-precision slip starting mode control, can meet the technical requirements of frequent starting of a high-power pulse generator set and interlocking control of multiple slip control devices, can meet the safety of the unit starting and stably accelerate according to a given current.

The application provides a duty cycle correction circuit and a chip, a pre-charging module is added, and a capacitor can be pre-charged to a predetermined voltage after each comparison of a comparator ends, so that the charging time of a charge pump module on two charging and discharging nodes can be shortened, the analog voltage output by the two charging and discharging nodes can quickly reach the input voltage value at which the comparator can compare in the next comparison, the starting time required by the comparator for each comparison is shortened, the response time and the stabilization time of the loop of the duty cycle correction circuit itself are shortened, the clock duty cycle calibration efficiency is finally improved, and the transmission rate of a signal is improved.

The present invention discloses a starting system for shortening the time when yellow smoke comes out of the chimney of a combined cycle power generation unit, comprising a steam drum, a preheater, an economizer, a low-pressure evaporator, a medium-pressure evaporator, a high-pressure evaporator and a superheater, etc. The present invention is aimed at the high, medium and low-pressure steam generation system of the waste heat boiler, adopts a method of preheating before the unit is started, in addition to designing auxiliary steam heating under the high, medium and low-pressure evaporators, a preheater with a heating function is also designed, before the unit is started, auxiliary heating steam is introduced into the preheater to preheat the condensed water from the condenser, to ensure that after the gas turbine is ignited and started, the high, medium and low-pressure steam generation system of the waste heat boiler quickly generates high-temperature and high-pressure steam under the heating of the high-temperature flue gas exhaust of the gas turbine, and meets the requirements of the steam parameters for the warm-up of the steam turbine, so as to realize the rapid start-up of the waste heat boiler and the steam turbine at the same time, shorten the start-up time of the generator set, and reduce the generation of pollutants during the start-up process.

This invention belongs to the field of motor system control technology, specifically relating to a rotor short-circuit slip control system and method for a high-power pulse generator set. It includes: an 8500kW motor, a slip device, a main monitoring PC, a PLC master station, a slip control cabinet, and several sets of slip control devices installed within the slip control cabinet. The 8500kW motor is connected to both the slip device and the slip control cabinet. Each slip control device includes: a frequency converter, a slip PLC substation, a communication control module, and a current measurement device. This invention achieves high-parameter and high-precision slip start control, meeting the technical requirements of frequent starting of high-power pulse generator sets and interlocking control of multiple slip control devices. It also ensures safe start-up of the unit and stable acceleration according to a given current.