68results about How to "Ensure stable operation" patented technology

A method and device for controlling a rotating speed of a fan in an electronic device. The method comprises the following steps: obtaining a first temperature value of a designated temperature collecting point in the electronic device at a current rotating speed of the fan (S102), obtaining a change value of the first temperature value in a first preset time period (S104); and adjusting the rotating speed of the fan while the change value is greater than a first preset threshold (S106). By the method and device mentioned above, the technical problem of rotating speed rebound or vibration can be solved during the radiating process of a speed adjustable fan, and thus the steady running of the fan is ensured in a certain degree and the service life of the fan is prolonged.

The invention relates to an underwater buoyancy force automatic adjustment device and a using method thereof. According to the underwater buoyancy force automatic adjustment device and the using method thereof, the technical problems that an underwater buoyancy force driving device cannot automatically control and adjust the self buoyancy force in water and the operation energy consumption is highin the prior art are solved. The underwater buoyancy force automatic adjustment device comprises a main controller, a hydraulic pneumatic energy storage system, a bi-directional oil well pump and a first pressure sensor, wherein the hydraulic pneumatic energy storage system and the bi-directional oil well pump are correspondingly connected with the main controller, and the first pressure sensor is used for detecting external environmental pressure; the hydraulic pneumatic energy storage system comprises an inflatable type energy accumulator and a high-pressure gas cylinder, the inflatable type energy accumulator comprises a telescopic air bag cavity and a telescopic oil cavity, and the high-pressure gas cylinder is connected with an opening end of the air bag cavity through a first pipeline; the front end opening of the bi-directional oil well pump is connected with an opening end of the oil cavity through a second pipeline; and an oil filling opening is formed in the upper part of anelastic container in a penetrating mode, and the oil filling opening is connected with the rear end opening of the bi-directional oil well pump through a pipeline. The invention further provides theusing method of the underwater buoyancy force automatic adjustment device. The underwater buoyancy force automatic adjustment device and the using method of the underwater buoyancy force automatic adjustment device can be widely applied to the technical field of underwater buoyancy force driving devices.

The invention provides a detecting and evaluating system of a data acquisition unit. The detecting and evaluating system of the data acquisition unit comprises a physical condition detector of the data acquisition unit, the data acquisition unit, an optical branching device, a simulation merging unit and an electronic transformer state analysis and evaluation platform, wherein the physical condition detector of the data acquisition unit is in communication with the data acquisition unit and the optical branching device, and the data acquisition unit, the optical branching device, the simulation merging unit and the electronic transformer state analysis and evaluation platform are connected in sequence. The detecting and evaluating system of the data acquisition unit is capable of detecting and evaluating the electronic transformer data acquisition unit from all aspects and all angles under the conditions of electromagnetic interference, high-low temperature, temperature change, vibration, and the like.

The invention relates to a safety-instrument data processing diagnosis circuit and method based on a microcontroller redundancy technology and specifically relates to a design circuit of a double-processor serial control framework in an intelligent safety instrument transmitter of an industrial control system. In terms of function, the double-processor serial framework realizes simulation quantity data acquisition processing and HART communication processing and at the same time compares processing data so as to realize mutual diagnosis and find out errors of processing results, resulted from data errors and thus error signals are prevented from being output and operation safety of a system is ensured. The design has the characteristics of being high in practicality, wide in applicable scope, low in cost and great in diagnosis effect and the like.

The invention discloses a method for analyzing properties based on transaction type middleware of a database. The method comprises the following steps of (a) periodically collecting the daily business calling condition, average processing time and ultra-long single business treatment time; (b) presetting the particular extending period of the data business; (3) by using one period of time before the current business analysis as a collecting cycle, calculating the average increase amount of daily data businesses in the collecting cycle; (d) if the current business amount exceeds the average increase amount of daily data businesses and reaches the threshold value outside the particular extending period, optimizing and adjusting a business service queue. The method for analyzing the properties based on transaction type middleware of the database has the advantages that by periodically collecting the business calling condition by sections, the bottleneck of the change of application businesses can be accurately pre-evaluated, the service queue is reasonably configured and optimized, the stable running of a middleware system is guaranteed, and the influence on the business operation is avoided.

The invention provides a processor dispatching method and processor dispatching equipment. The method includes: receiving resource requests used for requesting computing resources which are provided by a central processor and a graphics processor; acquiring the utilization of the computing resources, and utilizing a preset resource dispatcher to dispatch resource requests for central processing and/or graphics processor processing. The resource requests are dispatched flexibly dispatched through a CPU (central processing unit) and utilization of the CPU; compared with respective fixed labor division in the prior art, the processor dispatching method has the advantages that the existing computing resources can be fully utilized, processing speed is increased, computing pressure of the CPU is shared by the CPU, and stable running of the system is guaranteed.

The invention discloses a coil stripping method for a steel coil trolley, and relates to the technical field of automatic control. The method comprises the following steps: before coil stripping is carried out, the trolley is lifted to a predetermined position, and then is slowly lifted to a coil touch position; when the trolley is lifted to the coil touch position, a pressure switch signal is fedback to a PLC to determine whether a trolley saddle is lifted to the coil touch position or not; after the trolley saddle is lifted to the coil touch position, the trolley stays in the coil touch position; after a mandrel is contracted, the height change of a steel coil is compensated to make the center line of the steel coil superposed with the center line of the mandrel; and the trolley transversely moves to make the steel coil moved out of the mandrel area in order to end coil stripping. The method solves the technical problems of easy deformation of a coated steel coil during coil stripping, blocking of the transverse movement of the trolley and no smooth movement of the steel coil out of the mandrel of a reeling machine, and achieves the purposes of effectively improving the successrate and the stability of the coil stripping of the trolley, ensuring the stable running of a set and increasing the production rate.

The invention discloses a grinding material continuous and automatic feed device capable of achieving pressure stabilization and flow stabilization. The device comprises a control module, dual spherical high-pressure grinding material tanks, high-pressure water pipelines, low-pressure water pipelines, feeding pipelines, a grinding material water jet pipeline, valves and sensors, wherein the valvesand the sensors are arranged on the pipelines. Valve seats of the dual spherical grinding material tanks are connected with the feeding pipelines, the high-pressure water pipelines and the low-pressure water pipelines. Water pumps are connected with above function devices through high-pressure pipelines, overflow valves, a main proportional flow valve, a bypass proportional flow valve, pneumaticball valves and high-pressure ball valves are arranged in the pipelines, and various functions are achieved through valve on-off combined control. In the device, operation of pure water jet and continuous and automatic grinding material water jet is achieved through system valve on-off combination; meanwhile, through cooperation of the sensors connected to the control module, an energy accumulatorand the flow valves, pressure stabilization and flow stabilization can be achieved, and automatic adjustment of the grinding material concentration and overpressure alarm can be achieved. The deviceis high in safety, simple in operation and capable of being used widely.

The invention discloses an active infrared nondestructive test unmanned plane system and belongs to the field of a nondestructive test on a large complex member such as an aerospace structural component. The system solves the problem that the aerospace structural component has a large volume and a complex structure so that manual climbing checking efficiency is low and potential safety hazard exists. The system comprises an unmanned plane main body, an unmanned plane mounted monitoring module is arranged on the unmanned plane main body, a ground-based computer transmits a position instruction in a wireless way to control the unmanned plane main body so that the unmanned plane main body is moved to a certain position on the outer surface of a tested object, a data acquisition card controls a modulating signal and power of a laser according to an acquisition instruction, light beams transmitted through the laser go through optical fibers, are collimated through a collimating lens and irradiate the outer surface of the tested object, an infrared camera acquires an image sequence and the ground-based computer carries out phase locking operation on the acquired image sequence and a reference signal so that a thermal radiation signal amplitude image and a phase image of the tested object are obtained and defect types and positions are obtained.

The invention relates to a treatment method of high-salt and high-hardness organic wastewater in a fly ash landfill, which comprises the following steps of: sending percolate in different reservoir areas in a fly ash landfill into an adjusting tank, and stirring for homogenizing adjustment; pumping wastewater into a primary reaction tank to carry out primary oxidation on the wastewater by an oxidant, enabling the wastewater to flow into a secondary reaction tank for a transition reaction with a catalyst, enabling the wastewater in the secondary reaction tank to automatically flow into a tertiary reaction tank, fully stirring, carrying out advanced oxidation reaction to degrade organic matters in the wastewater, and carrying out complex breaking treatment on heavy metals; enabling the effluent to automatically flow into a coagulative precipitation tank, adding an alkali liquor metal recapturing agent and a flocculating agent and fully stirring, enabling supernatant obtained after solid-liquid separation to sequentially pass through a quartz sand filter, a multi-stage activated carbon filter and a heavy metal adsorption resin tank, and enabling the effluent to enter a water outlet tank to be discharged; and enabling odor to react with absorption liquid in an absorption tower and then discharging the odor. The method is simple in technological process, stable in operation, low in requirement for inflow water quality and higher in treatment efficiency, and the investment cost is greatly reduced.

The invention discloses an electric enhanced internal circulation anaerobic reactor and a method thereof, and belongs to the field of wastewater treatment. According to the electric enhanced IC anaerobic reactor, an electrochemical unit is arranged in the reactor body, and through the combination of a three-dimensional electrode and an iron-carbon filler, toxic pollutants in wastewater are quicklyoxidized and degraded, so that the biodegradability of the wastewater is improved, the stable operation of the reactor is ensured, and the treatment effect is improved; furthermore, through the reduction effect of iron-carbon micro-electrolysis, the sludge in the reactor is continuously reduced and detoxified, and meanwhile, the generated ferrous iron and ferric iron assist the anaerobic sludge to form granules, so that the purpose of activating the sludge is achieved.

Disclosed is an integrated management system for connecting a micro grid to a distribution network site. The system is located at the connection point of a distribution network and a micro grid. At the physical level, the system comprises a solid-state switch, a transmission line, a transformer, and a distribution network bus, wherein the transformer is connected to the distribution network bus, and the transmission line is directly connected to a micro grid bus. In the aspect of information transmission, PCC local state measurement information, PCC logic judgment information and coordinated control information are respectively connected with a distribution network energy management system and a micro grid energy management system through optical cables. The system is divided into a physical system layer, a sensing layer, a data-information conversion layer, a communication network layer, a policy control layer, and a scheduling application layer through hierarchical design. The integrated management system for connecting a micro grid to a distribution network site of the invention is disclosed in order to solve the problem concerning power quality, synchronized cut-in, island detection and cut-in protection at a point of common coupling (PCC). Power quality information can be monitored and power quality can be adjusted in real time. Through PCC protection, it is ensured that a micro grid is in a safe and stable parallel operation mode.

The invention discloses a single-rail robot walking device. The single-rail robot walking device comprises a bottom plate, a motor and a holder motor, a gyroscope, the holder motor and the motor are fixedly connected to the lower surface of the bottom plate, a driving wheel is horizontally arranged the portion, over the motor, on the bottom plate, a driven wheel is horizontally arranged on the same side of the driving wheel, an assisting wheel is horizontally arranged on the opposite side of the driving wheel, and the driving wheel and the assisting wheel are located on the two sides of a railrespectively and clamp a rail; a tail-end tool installing plate for installing a tail-end toll is arranged below the holder motor. The single-rail robot walking device has the advantages of being compact in structure, small in size, light in weight, stable in running and the like; all the wheels are transversely arranged, the size and the weight of a robot are effectively reduced, space is saved,and the power of a driving motor is reduced; a mechanical mode and an electronic mode are combined, vibration and shaking of front and back, top and bottom and left and right of running of the robotare effectively limited, and it is guaranteed that the robot stably runs on the single rail.

The invention provides a GNSS receiver for executing network fault detection and restoration comprising a system control module comprising a control unit, a fault detecting unit and a reset unit; a wired network transmission module connected to the system control module, wherein the wired network transmission module is connected to a routing gateway via a network cable; a wireless network transmission module connected to the system control module; and a fault log module connected to the system control module; the fault detection unit is connected to the wired network transmission module and the wireless network transmission module, the control unit is connected to the fault detection unit and a reset unit, the reset unit is connected to the wired network transmission module, and the faultdetecting unit detects a connection state of the network cable, a communication link between the wired network transmission module and a data center, and a communication link between the wireless network transmission module and the data center, and the control unit controls the fault log module to generate reminding information according to the detection result of the fault detecting unit, and sends the reminding information to the data center.

The invention discloses an annealing furnace inside atmosphere control method which comprises the following steps of according to the historical production data of an annealing furnace under the stable working condition, analyzing to obtain a relation table of annealing furnace heating section excess air coefficients and preheating section smoke gas oxygen contents; judging whether an annealing furnace heating schedule is changed or not; and if not, monitoring the annealing furnace preheating section smoke gas oxygen content through an oxygen content analyzer, comparing with the relation table, and adjusting the annealing furnace heating section excess air coefficient. According to the annealing furnace inside atmosphere control method provided by the invention, the non-oxidation section furnace inside atmosphere fluctuation caused by the coal gas caloric value change or the coal gas pressure fluctuation is timely and effectively solved, the non-oxidation section furnace inside weaklyreducing atmosphere is ensured to run stably, and meanwhile, the coal gas is sufficiently utilized through the feedforward control on the preheating section air amount, so that the energy is saved.

The invention discloses a precise load control service implementation method based on an edge Internet of Things agent. The method is realized through a precise load control service system architecture based on the edge Internet of Things agent. The method comprises a switchable load information updating method and a fault alarm load control response method. The switchable load information updating method realizes collection and maintenance of switchable load information in an edge side power system in an area to which the edge Internet of Things agent belongs by the edge Internet of Things agent, can further support and perfect the function of the edge Internet of Things agent, and gives full play to the advantages brought by deployment of the edge Internet of Things agent to a power system. According to the fault alarm load control response method, a decision of removing part of loads is made on the edge Internet of Things agent side. Compared with a traditional method, the implementation method has the advantages that a decision can be made without fault information reaching a cooperative control center station; quick response partial load removal can be achieved on the edge side of the power system; the time delay of accurate load control service is reduced; and stable operation of the power system can be guaranteed more effectively.

The invention discloses a plastic package motor with an anti-loose end cover, comprising a plastic package stator, a plastic package motor end cover and a connection fastener; the plastic package stator comprises a plastic package shell body and a motor part installed in the plastic package shell body; a fixing hole is arranged on the plastic package motor end cover; the connection fastener penetrates the fixing hole to fix the plastic package motor end cover at the end part of the plastic package shell body. According to the invention, the plastic package stator and the plastic package motor end cover are connected together through the connection fastener; the assembly firmness and reliability between the plastic package stator and the plastic package motor end cover are improved; the mechanical property and the stable operation of the plastic package motor are ensured; and the risk that the end cover falls off after long term operation of the motor because the tolerance of the assembly size of the end cover is instable is avoided.

The invention discloses a floating roof type diaphragm structure, a detection method thereof, and a liquid level calibration method of back pressure water. The liquid level calibration method of the backpressure water should be carried out after the backpressure water reaches a standard value and comprises the steps of measuring and calibrating the liquid level of the backpressure water; the method particularly comprises the steps that a liquid storage tank is recovered to an online state from an emptying state, a medium is slowly filled into the liquid storage tank, and the relative positionof the liquid level of the backpressure water needs to be recorded every time the liquid level rises by a certain distance; then the distance between the liquid level of the backpressure water and thereference in different states is measured by using a measuring tape, and the results are recorded; and several special point locations are selected as reference and judgment bases for field personnelinspection. The backpressure water liquid level mark calibrated by the liquid level calibration method can help workers to observe the relationship between the liquid level of the backpressure waterand the liquid level of the liquid storage tank very visually, so that the workers can know the operation condition of equipment at any time, normal operation of the equipment is guaranteed, and the detection workload is greatly reduced.

The invention relates to a heating equipment fault detection method and a heating system with a fault detection function. A plurality of heating areas are arranged in heating equipment. The method comprises the following steps: selecting one heating area and two adjacent heating areas of the heating area, acquiring a heating area temperature of the heating area and two adjacent heating area temperatures of the two adjacent heating areas, respectively calculating difference values between the temperature of the heating area and the temperatures of the two adjacent heating areas to obtain a first temperature difference value and a second temperature difference value, reading a preset temperature difference threshold value, judging whether the first temperature difference value and the secondtemperature difference value are both greater than the temperature difference threshold value or not, judging that the selected heating area breaks down if the temperature difference values are greater than the temperature difference threshold value, and troubleshooting the fault occurrence position of the selected heating area. By calculating the temperature difference between the adjacent heating areas and comparing the temperature difference with the preset threshold value, whether the heating areas break down or not is judged and the fault occurrence position is checked, so that stable operation of the heating equipment is guaranteed and the working efficiency is improved.

The invention discloses a fluidized bed oxygen carrier auxiliary oxygen-enriched combustion system and method. An oxygen tank, a fluidized bed hearth, a cyclone separator, an induced draft fan, a circulation fan and a gas storage tank are included; the oxygen tank communicates with a wind chamber, oxygen carrier bed materials and fuel are laid on a combustion bed; an exhaust gas outlet at the topof a hearth cavity communicates with the cyclone separator; the bottom of the cyclone separator communicates with the combustion bed through a down pipe and a return valve; the top of the cyclone separator is provided with a separated gas outlet, the separated gas outlet communicates with an air inlet of the induced draft fan and an air inlet of the circulation fan; the air outlet of the induced draft fan communicates with the gas storage tank; and an air outlet of the circulation fan communicates with an air inlet of the wind chamber through an air pipe and a return valve. According to the fluidized bed oxygen carrier auxiliary oxygen-enriched combustion system and method, oxygen carriers are used as bed materials, coal combustion is regulated by carrying and releasing oxygen by the oxygen carriers, the hearth heat distribution uniformity is improved, stable operation of equipment is ensured, and the problem that oxygen distribution is uneven under existing fluidized bed oxygen-enriched combustion, and consequently treatment is difficult is solved.

The invention discloses an intelligent air-cooled hydraulic punching and shearing machine. The machine comprises a machine frame, an oil return pipe and an oil tank, wherein the oil tank is welded on the machine frame; an oil return port is formed on the oil tank; and an air cooling device is arranged between the oil return pipe and the oil return port; the air cooling device comprises a shell; the shell is provided with an oil inlet and an oil outlet respectively; uniformly-distributed radiating pipes are welded at the two ends of the shell through partition boards; a channel of hydraulic oil is formed by an oil partition board of the shell; the channel is connected with the oil inlet and the oil outlet of the shell respectively; the oil inlet is connected with the oil return pipe; and the oil outlet is connected with the oil return port. The temperature of the hydraulic oil in the oil return pipe is reduced by the air cooling device so that the increase of the oil temperature can be effectively controlled, the stable operation of the machine is ensured and energy is saved.

The invention relates to a filler reaction system for strengthening anaerobic digestion. The filler reaction system comprises a biological filler domestication area, a biological filler arrangement area and an anaerobic digestion reaction area which are connected in sequence; in the biological filler domestication area, biofilm formation domestication and adaptability verification of various fillers are completed, and reinforced biological fillers passing verification are obtained; in the biological filler arrangement area, reinforced biological fillers passing verification are specifically selected and combined, and layered arrangement is carried out, so that a layered arrangement reinforced anaerobic digestion filler combination is obtained; and in the anaerobic digestion reaction area, anaerobic digestion reaction under biological filler reinforcement is carried out based on a hierarchically arranged reinforced anaerobic digestion filler combination. Compared with the prior art, the requirements of precision, high efficiency, integration and sustainability of the novel packed reactor are met, the anaerobic digestion strengthening capacity and efficiency of the packed reactor can be effectively improved, and good engineering application prospects are achieved.

A method for inactivating microorganisms in the air comprises feeding the air through a system of corona electrodes (7, 9) and ionizer electrodes (10) arranged in a sterilizing chamber (2) in a magnetic field; applying high-voltage impulses of positive and negative polarity with an amplitude of 14-100 kV for the duration of 2-200 msec and a density of 1-100, with the possibility of independently setting the voltage value. The electrical sterilizer comprises a housing (1) and the sterilizing chamber (2) where the positive (9) and negative (7) corona electrodes are arranged, which are connectedto high-voltage pulsed power supplies. Isolated electrodes (8) are positioned between the positive (9) and negative (7) corona electrodes, the former being configured in the form of a dielectric bodywith metal meshes imbedded therein. The ionizer electrodes (10) are mounted on the last negative electrode in the direction of the airflow. At least four electromagnets (11) are installed on the sterilizing chamber (2) with the power supplies thereof being positioned outside the housing (3) of the sterilizing chamber and synchronized with the power supplies of the electrodes. A turbine (4) and aninjector (5) for an additional gas supply are installed before the sterilizer inlet.

The invention relates to the technical field of drilling operation monitoring, in particular to a GPS/BD-based multisource integration mine drilling operation monitoring system and a monitoring method. The monitoring system comprises an operation far-end monitoring center and operation front-end monitoring terminals, wherein the operation far-end monitoring center issues drilling tasks and controlcommands; and the operation front-end monitoring terminals control corresponding downhole drills to conduct drilling operation according to the drilling tasks, monitor the drilling depth and drillingspeed, receive real-time positioning information of an operation positioning unit and determine and monitor the real-time drilling positions according to the carrier wave phase differential technology. Accordingly, the drilling positioning accuracy and the mine operation accuracy are ensured. The operation front-end monitoring terminals and ranging units are used in cooperation to monitor the drilling depth and drilling time in real time so as to guarantee that the drilling depth meets the requirement of the drilling tasks, and the drilling operation quality is monitored effectively.

The invention discloses a method for packaging finished butadiene styrene rubber product pieces through packaging bags. The problem that it is not convenient to package finished product pieces on an existing assembly line is solved. The method includes the steps of S1, piling the sheet packaging bags in a storage chamber according to requirements; S2, adsorbing and lifting one packaging bag through a contact head and a lifting cylinder; S3, inserting an insertion piece on a swing rod into a bag mouth to support the bag mouth open under the action of a driving cylinder; S4, making a swing frametogether with the packaging bag swing towards the outside through the driving cylinder, making the mouth of the packaging bag sleeve two sleeve plates in an inclining state, and making the two sleeveplates in a vertical state and the bag mouth tightened through a vertical cylinder after the mouth of the packaging bag sleeve the two sleeve plates in place; and S5, making each finished product piece out of a connecting base enter the corresponding packaging bag through a gap between the two sleeve plates, and making the packaging bag fall onto a conveying belt on the lower side under the action of gravity and conveyed to the outside by the conveying belt so that the bag mouth of the packaging bag can be sewn and sealed by a sewing device.