228results about How to "Run reasonably" patented technology

The invention relates to an underground central pump room draining automatic monitoring system, which comprises a PLC control cabinet, a remote expanding module, a site data bus, a contact screen, an analog quantity and switching value input module, various monitoring probes, a travel switch, a level instrument and an executable section. A monitoring net adopts a form of combining a PROFIBUS DP site data bus and an industrial ethernet. A monitoring method for the system comprises: (1) monitoring the absorbing well water level; (2) monitoring the state for starting a high pressure switching cabinet by a water pump; (3) judging the valve levels of a gate valve, a ball valve of a water jet pumping device and a water distribution gate; (4) judging the valve levels of a vacuum pump ball valve; (5) measuring each equipment temperature measuring point; (6) measuring signals of a pressure sensor and a negative pressure sensor; (7) judging system faults; (8) automatically controlling the start-stop and operation numbers of the water pumps according to the absorbing well water level conditions; and (9) setting power supply peak avoiding time periods, and automatically selecting starting time and numbers of a pump. The system improves the system working reliability, reduces the equipment fault rate, and adopts a three-stage monitoring structure for a draining system.

The invention discloses an operation state control decision making method of a mine ventilation system, and belongs to a mine ventilation control decision making method. The method comprises the following steps: (1) establishing or updating a current mine ventilation system model; (2) acquiring and updating ventilation system parameters in real time; (3) inspecting the rationality of the operation state of the ventilation system; (4) adjusting and solving ventilation network air volume in the case of a given mine total air volume when the operation state of the ventilation system is irrational, and adjusting and optimally solving the ventilation network air volume if a feasible solution is not available yet; (5) determining a fan matching working condition, performing air volume adjustment and solving for gradually expanding natural air distribution on an air network according to a maximum air pressure characteristic curve allowed by the fan, and finally determining an optimal executable scheme for air volume adjustment of the mine ventilation system. A mass flow and air density double-layer iteration method is adopted in the air volume adjustment and solving, and a sensor for monitoring underground air density can be saved. Technical support is provided for keeping rational, stable, reliable and high-efficiency operation of the mine ventilation system for a long time.

The invention discloses a method for establishing a fan coil heat exchange model applicable to different working conditions. The method comprises the following steps of: establishing a fan coil overall heat transfer coefficient model; converting the current air inlet state and the current air outlet state into an air inlet state and an air outlet state under an equivalent dry working condition according to an equivalent working condition principle to make an overall heat transfer coefficient uninfluenced by a dehumidifying coefficient; simplifying the fan coil overall heat transfer coefficient model into the overall heat transfer coefficient under the equivalent dry working condition; and establishing the fan coil heat exchange model, and simplifying the fan coil heat exchange model. By adoption of the method, the fan coil heat exchange model applicable to different working conditions is established, and the heat exchange characteristic of a fan coil can be conveniently and accurately computed through a small number of independent control variables; moreover, the dehumidifying coefficient is not required during establishment of the fan coil heat exchange model, a wet working condition can be converted into the equivalent dry working condition for computation, and high applicability is realized, so that the whole central air-conditioning system can be controlled to operate efficiently and reasonably, and unnecessary energy consumption is reduced.

The invention relates to an enclosed animal experiment operation box and aims to solve the problems that the conventional pharmacological animal experiment causes environmental pollution which causes damage to instruments and equipment and influences experimenters' health, the operation view is not clear, and the light is insufficient. The enclosed animal experiment operation box comprises a box body and an operational table assembled inside the box body and used for fixing an experimental animal, and is characterized in that the box body comprises a base, a frame, a front baffle, a back baffle, a left baffle, a right baffle and an erector, fixed limiting posts and adjustable limiting posts are arranged on the operational table and limited to the rails of the base, guiding rods and an adjusting screw rod used for controlling the erector to move are arranged on the base, and a magnifier is arranged in the picture frame of the erector. According to the invention, the enclosed animal experiment operation box has the advantages of being simple in operation, convenient to adjust and the like, and provides modern experimental equipment with a clean and excellent working environment; the view is clean and the light is sufficient when experiments are carried out; the accuracy and the success rate of the experiments are significantly improved, and the experimental appropriation expenditure is reduced.

The invention relates to a portable wind-solar complementary power storage and supply system. The system comprises a first power supply system and a second power supply system; the first power supply system comprises a wind driven generator, a photovoltaic module and a control inverter; the wind driven generator is used for conducting wind power generation so as to produce electric energy; the photovoltaic module is used for conducting photovoltaic power generation so as to produce the electric energy; the control inverter is connected with the wind driven generator and the photovoltaic module and used for tracking maximum power points of wind power generation and photovoltaic power generation respectively and outputting the electric energy produced by the wind driven generator and the photovoltaic module at the maximum power respectively, and the second power supply system is a solar rechargeable battery. According to the portable wind-solar complementary power storage and supply system, power generation can be conducted by means of wind energy and solar energy, regional power supply can be conducted on field operation, power supply can be conducted on equipment with certain power, and vehicle carrying, spreading and erecting are convenient to achieve.

The invention discloses a stochastic production simulation method based on a pumped storage power station correction time sequence load curve. According to the method, according to historical data, anevaluation index for the new energy output is constructed, and an appropriate output scene is selected; a medium and long term optimization scheduling model of a pumped storage power station is constructed by taking the lowest volatility of an unbalanced power curve as a target; and by adopting a time sequence load curve correction method, the stochastic volatility of new energy power generationand the output time sequence characteristic of the pumped storage power station are reasonably considered, and the significant defect that in a traditional stochastic production simulation method, consideration on the new energy and the output time sequence characteristic of the pumped storage power station is insufficient is effectively solved. The practical stochastic production simulation method improved on the basis of the time sequence load correction method is particularly suitable for medium and long term reliability analysis and economy evaluation of an electric power system containinga high-proportion renewable energy source power station and the pumped storage power station.

The invention relates to a device and a method for detecting and controlling a slag state of a converter. The method comprises the following steps of: combining a mass spectrometer PLC (Programmable logic Controller) and an oxygen lance real-time control program of a second-level computer of the converter into an industrial Ethernet, wherein the mass spectrometer PLC is connected with a gas sampling device; adding an oxygen lance real-time control communication data module in a first-level PLC (Programmable logic Controller) of the converter; and additionally arranging an oxygen lance real-time control button in an operation picture; controlling the oxygen lance position and the oxygen flow of an oxygen lance at real time according to data in the communication data module by the first-level PLC control program of the converter. The mass spectrometer can accurately analyze data and ensures detection accuracy. The invention has high measuring and controlling accuracy, stops the phenomena of running slag and drying, has reasonable programming design, realizes real-time quantitative survey, controls a slag melting state of the converter, increases the yield and the production efficiency of molten steel of the converter, reduces the workload of operating workers for cleaning the slag, avoids the injury of personnel and equipment for running the slag and reduces the production cost of the converter.

The invention discloses a planning method for an opposite angle trotting gait of a large quadruped robot. An integrated opposite angle trotting gait period T comprises five key postures of an initial phase, a T/4 phase, a T/2 phase, a 3T/4 phase and a finished phase. An elbow joint type leg hip joint angle is changed to the maximum value (alpha + Ah) from the minimum value (alpha - Ah) when being at a support phase, and is changed to the minimum value (alpha - Ah) from the maximum value (alpha + Ah) when being at a swing phase. A knee joint angle remains unchanged when being at the support phase, is firstly changed to the minimum value pi - (alpha + beta) - Ak from the maximum value pi - (alpha + beta) and then recovers to the maximum value pi - (alpha + beta) from the minimum value pi - (alpha + beta) - Ak when being at the swing phase. A knee joint type leg hip joint angle is changed to the minimum value (alpha - Ah) from the maximum value (alpha + Ah) when being at the support phase, and is changed to the maximum value (alpha + Ah) from the minimum value (alpha - Ah) when being at the swing phase. The knee joint angle is unchanged when being at the support phase, is firstly changed to the minimum value pi - (alpha + beta) - Ak from the maximum value pi - (alpha + beta) and then recovers to the maximum value pi - (alpha + beta) from the minimum value pi - (alpha + beta) - Ak when being at the swing phase. By means of planning the opposite angle trotting gait of the large quadruped robot, the large quadruped robot is more reasonable in operation, and stability is improved.

The invention discloses an electric air conditioning system of an electric automobile. The electric air conditioning system comprises a compressor, a four-way valve, an exterior heat exchanger, a two-way expansion valve, an internal heat exchanger and a gas-liquid separator, wherein gas distributors are respectively arranged at the gas connecting ends of the exterior heat exchanger and the internal heat exchanger; the gas distributor of the exterior heat exchanger is connected with a refrigeration flow opening of the four-way valve; the gas distributor of the internal heat exchanger is connected with a heating flow opening of the four-way valve; liquid distributors are respectively arranged at the liquid connecting ends of the exterior heat exchanger and the internal heat exchanger; the liquid distributor of the exterior heat exchanger is connected with a port of the two-way expansion valve; the other port of the two-way expansion valve is connected with the liquid distributor of the exterior heat exchanger. According to the electric air conditioning system disclosed by the invention, not only can refrigeration and heating be realized on the electric automobile, but also the heat exchange efficiency can be improved, and the refrigeration and heating effect of the electric air conditioning system is improved. In addition, the invention also discloses a control method to realize the intelligent operation of the electric air conditioning system.

The invention discloses a center for processing a five-shaft linkage blade, which comprises a lathe bed, a rotary table installed on the lathe bed, a trailing bar which can move along the lathe bed, a column which can move along the trailing bar, a swinging mechanism and a main shaft case, wherein, the swinging mechanism comprises a swinging shaft and a swing shaft drive mechanism; the swinging shaft is installed on the column and the swinging shaft drive mechanism is positioned in the column; an arc-shaped railway is arranged on the column by which the swinging shaft can swing; a feed mechanism for moving the main shaft case is arranged in the swinging shaft; the main shaft case is installed on the swinging shaft and can move along the swinging shaft. Due to the mechanical transmission structure, the errors caused by the drifting of mechanical structure self are reduced, thus the transmission of the system and the operation of a cutting-tool and a workpiece are more reasonable and harmonious; the distance between the cutting tool and the processing surface is shortened to a fullest extend; and the errors are reduced; in addition, the control of the problems such as tool compensation amount and the programming of the entire structure are more direct and compact, thus enhancing work efficiency and finally enhancing the precision for processing the workpiece.

The invention discloses a calculation method for non-fuel burnable poison burn-up in a reactor. The calculation method includes the steps that (a), total power is input for burn-up calculation in the reactor; (b), power and flux of all burn-up regions are distributed; (c), constant power burn-up calculation is adopted for a fuel region, and constant-flux burn-up calculation is adopted for a non-fuel burnable poison region. The mixed burn-up calculation mode based on the Monte Carlo method is adopted; for the fuel region, the constant power mode is adopted for burn-up; for the ultra-low power regions of non-fuel burnable poison, thorium-base fuel and others, the constant-flux mode is adopted for burn-up. The application range of burn-up calculation based on the Monte Carlo method is enlarged, and the method can be used for performing processing including burning calculation on the ultra-low power regions of the non-fuel burnable poison, the thorium-base fuel and others. The calculation amount is not added, so that unnecessary approximation is avoided, burn-up calculation is performed directly according to the actual power level, and the confidence coefficient of the burn-up level is guaranteed.

The invention relates to an automatic cell culture box. A refrigeration storage device, a CO2 conservation device, a culture medium box or a midway recycling bin, a central incubator, an activation box and a microscope camera structure are respectively connected with a center control system; the refrigeration storage device is arranged on one side in the box body; the CO2 conservation device is arranged on the other side in the box body; the refrigeration storage device and the CO2 conservation device are arranged at an interval by a clapboard in the box body. Compared with the traditional manual culture box, the automatic cell culture box provided by the invention has the advantages that the efficiency is improved by 30 percent, cell culture can be automatically controlled, completely closed culture is realized, an opening step does not exist any more, and the biological safety of cells is thoroughly guaranteed; uniform cell culture standard is realized, cell culture for more people can be simultaneously realized, the efficiency is improved, the labor intensity is reduced, the using amount of consumed materials is reduced, and the culture cost is reduced; the culture box can be used in an ordinary environment, and GMP (Good Manufacturing Practice) building and equipment purchasing costs are greatly reduced.

The invention discloses a rectify deviation control system and method based on a GPS data track. The system comprises a vehicle central control system and a server. The vehicle central control systemcomprises a data acquisition module and a vehicle control module. The server comprises a data receiving module and a rectify deviation data analyzing module. The vehicle central control system transmits the collected vehicle information and vehicle control information to the server through the Internet of Things, and the server analyzes and processes the received information to control the vehicleoperation. The method comprises the following steps of: 1. obtaining positioning information of a positioning point; 2. performing analysis and judgment on the data rectify deviation of the GPS position information track; 3. judging whether the change number of the pointing track data of the GPS position is less than 10%; and 4. obtaining the final track of the GPS data according to the analysisof the rectify deviation data analyzing module. The invention provides the rectify deviation control system and method based on the GPS data track, which is small in positioning error range, accuratein positioning, low in positioning cost and high in efficiency.

The invention provides a thermosyphon type defrosting dual-channel oil and gas recovery condensing unit. In a refrigeration system of each stage, a first compressor, a condenser, a first liquid accumulator, a thermosyphon heat exchanger, a first valve, a first expansion valve, a first evaporator, a second valve and a first gas-liquid separator are sequentially connected so as to form a first condensation loop; the thermosyphon heat exchanger, a third valve, the first evaporator and a fourth valve are sequentially connected so as to form a first thermosyphon loop. The evaporator of the refrigeration system is used for defrosting, and the temperature is basically maintained to be 30 DEG C, so that the safety of oil gas used as combustible gas can be improved. Furthermore, passive thermosyphon heat exchange is adopted, and internal circulation is performed by means of evaporation rise and condensation downflow, so that the cooling capacity inside the frost is brought to a liquid pipe. Furthermore, the superheat of the liquid pipe is improved, and the energy efficiency ratio of the refrigeration system is improved. A refrigerant bypass is not involved, so that little effect is caused on the performance of the refrigeration system.

The invention discloses an intelligent aquarium control system which consists of a power supply, a liquid level sensor, a pH value detection sensor, a temperature sensor, a man-machine interaction interface, a controller, an electromagnetic valve, an oxygenation pump, a circulation pump, a heater, a feeder and a lighting lamp. Compared with the prior art, the intelligent aquarium control system adopts Siemens Logo to control the electromagnetic valve, a water pump, the heater, the oxygenation pump and light, information of an aquarium is fed back in time through the temperature sensor and the liquid level sensor, and thus an intelligently controlled cultivation system is achieved. Tedious operation of a conventional aquarium is replaced, artificial maintenance is reduced, equipment such as water pumps, heaters and oxygenators can be relatively reasonably used under intelligent control, and 'automatic intermittence' can be achieved during reliable operation, so that not only is the service life of the equipment prolonged, but also the electric energy is relatively well saved.

The invention discloses a three-dimensional flow thermal coupling modeling method for a cement grate cooler. The modeling method takes a cement clinker layer in the grate cooler as a porous medium, applies a mechanics of fluid through porous media theory for modeling, and comprises the following steps: building a three-dimensional flow thermal coupling physical model of the cement grate cooler according to the cooling condition of the clinker in the grate cooler; building a three-dimensional flow thermal coupling mathematical model of the grate cooler according to the physical model, the law of mass conservation, the law of conservation of momentum and the law of conservation of energy. The modeling method has the benefits that the factors of grate speed, supplied wind velocity, side wall heat dissipation, feeding temperature, clinker particle diameter, and the like are considered; the three-dimensional temperature distribution of the clinker can be calculated conveniently and accurately; different cooling strategies are simulated by adjusting the working condition parameters, so as to obtain an optimal strategy enabling the grate cooler to work efficiently and reasonably, improve the heat recovery efficiency of the grate cooler, and achieve the purposes of energy conservation and emission reduction; the modeling method is the optimal clinker cooling strategy applied to confirm that the discharging temperature of the grate cooler is relatively low, and the recovery wind warm is relatively high.

The invention provides a loading system and a loading method, and relates to the technical field of transportation tools and loading tools. The loading system comprises a laser forklift and a truss robot, a conveying line and a loading area are arranged below the truss robot separately, and the driving end of the conveying line is located outside the truss robot and away from the truss robot; thelaser forklift is used for receiving a control instruction and advancing in the area of the end, away from the truss robot, of the conveying line according to an advancing path in the control instruction so as to carry cargos; and the loading area is used for parking a cargo truck. The loading system is reasonable in structure, avoids the safety risk caused by the unreasonable layout between a production line and a warehouse, reduces the site occupation area and reduces the application cost.