112results about How to "Realize automatic start and stop" patented technology

The invention provides an electric oven and an oil fume odor purification device control method. The electric oven comprises a cavity and an oil fume odor purification device which comprises a draughtfan and a filter screen used for filtering oil fume and odor, an exhaust port is formed in the cavity wall of the cavity, the filter screen is installed at the exhaust port, and the draught fan is installed near the filter screen and used for discharging the oil fume in the cavity out of the cavity from the exhaust port and makes the oil fume flow through the filter screen. According to the screen, the oil fume odor purification device of the electric oven comprises the draught fan and the filter screen, the filter screen is installed at the exhaust port of the cavity, in the food heating process of the electric oven, the draught fan works to make gas in the cavity pass through the exhaust port and the filter screen, the filter screen filters out the oil fume and odor in the gas, and filtered gas enters a room and cannot pollute indoor air, so that bad feeling cannot be brought to a user, and the degree of satisfaction of the user on products can be improved.

The invention discloses a hybrid car driving system which comprises a driving motor operating mode switching device, and belongs to the technical field of vehicle engineering, wherein, an engine is connected with an integral start generator coaxially; the integral start generator is connected with a first automatic clutch driving disc; a first automatic clutch driven disc is connected with a planetary gear mechanism by a driving motor; one side of the planetary gear mechanism is connected with the driving motor by a second automatic clutch, and the other side thereof is connected with a main reducer-differential mechanism; the main reducer-differential mechanism is connected with wheels by a driving axle; a power battery pack is respectively connected with a motor controller and an external power supply plug by cables; and the motor controller is respectively connected with the integral start generator and the driving motor by the cables. An outer gear ring of the planetary gear mechanism is connected with a frame fixedly. The hybrid car driving system reserves the traditional vehicle structure to a maximum extent and optimizes the working point of the engine by using double motors, thus leading the engine to operating stably in a high-efficiency and low-discharge area, simultaneously optimizing the working condition of the driving motor and prolonging the service life of the motor.

The present invention relates to oil well output liquid measuring power graph method and device. Oil well liquid output is measured through analysis of the 3D vibration of oil pumping rod column, oil pipe column and liquid column and the time relationship of their displacement, speed, strain, stress and load, research of the mutual coupling of the force and displacement of these three sys, acquiring oil well relating data with load and displacement sensors, and computer treatment to calculate the effective stroke of the oil pump. Meanwhile, the present invention also performs the diagnosis and analysis of oil well work state and the remote monitoring of oil well.

The invention relates to a fuel cell based hybrid power system for utilizing the waste heat of an internal combustion engine and belongs to the technical field of vehicle hybrid power. A fuel reformer is arranged on an exhaust pipe of the internal combustion engine, fuel is reformed by using the waste heat of exhaust gas, the generated reformed hydrogen rich gas is used as the fuel of a fuel cell, and electric energy which is generated by the fuel cell is stored in a storage battery, so the waste heat of the exhaust gas of the internal combustion engine can be recovered; meanwhile, a motor or a generator is arranged at an output shaft end of the internal combustion engine and used for recovering the brake energy of a vehicle in a running process, and the brake energy is also stored into the storage battery; and furthermore, by the adoption of the motor or the generator, the internal combustion engine can be automatically started or stopped, and auxiliary power is supplied under specific working conditions. The system can effectively utilize the waste heat of the exhaust gas and the brake energy of the internal combustion engine, the idling condition of the internal combustion engine can be eliminated, and the fuel consumption and harmful emission of the internal combustion engine can be reduced.

The invention relates to an infrared index (IR) panoramic linkage monitoring device and a monitoring method thereof, pertaining to the field of video monitoring. The monitoring device consists of a monitoring device arranged on a tripod head and a control circuit in the tripod head. The monitoring device consists of at least two static cameras arranged at the upper part of the head and a movable camera arranged at the lower part of the head; the control circuit comprises a video decoding chip, a clock circuit and a digital signal processor used for processing video signals; infrared lighting devices are arranged around the movable camera and the static cameras and connected with the digital signal processor by an infrared-driven control unit. The monitoring device and the monitoring method have strong commonality, wide application scope, simple control circuit and convenient realization, realize the automatic start and stop of the infrared lighting devices, simplify operation and are convenient to use; the monitoring device still can work normally when meeting various environment conditions and effectively carries out motion detection and tracing to ambient conditions.

The present invention discloses a hybrid power drive system of motor coach, and belongs to the technological field of vehicle engineering; wherein, an engine is coaxially connected with an integrated starting generator; the integrated starting generator is connected with an automatic clutch driving disc; the automatic clutch is connected with a reducing mechanism through a driving motor; the reducing mechanism is respectively connected with the driving motor and a main reducer-differential; the main reducer-differential is connected with vehicle wheels through a driving bridge; a power battery is connected with a motor controller through a cable; and the motor controller is respectively connected with the integrated starting generator and the driving motor through a cable. The hybrid power drive system maintains the traditional vehicle structure to the greatest extent, and adopts two motors to optimize the working points of the engine, so that the engine can stably operate in the high-efficiency and low-emission regions, in particular in the operating conditions of low-speed city buses.

The invention provides an air compression system and a control method. The air compression system comprises air compressors, a detection assembly, a valve assembly, a function switching module and a controller. At least one of the air compressors is provided with a frequency converter. The detection assembly is used for detecting the gas parameters in an outlet pipeline. The valve assembly is connected between an air suction valve and an oil-gas separator and used for forming the internal air circulation of the air compressors, lowering the pressure difference of inlets and outlets of the air compressors and reducing the start and unloading torque. The function switching module is used for changing the electric drive mode of the air compressors so that the air compressors can be switched between the power frequency and the variable frequency. The controller is used for calculating and adjusting the output frequency of the frequency converters according to the detected parameter changes for adjusting gas supply. The system solves the pressure of the maximum efficiency within the required pressure range and assigns the value to a PID so as to control the air compressors to act; when the air compressors operate, the loading and unloading pressure value is set, and the start and stop of the frequency converters are controlled; and the dew point temperature is calculated, a drying machine is started and stopped automatically, the optimum operation of energy efficiency is achieved, the work efficiency is improved, and the operation cost is lowered.

The invention relates to a jacking type sand core microwave drying device. The drying device mainly comprises a microwave drying cavity, a jacking assembly and a sand core tray, wherein the jacking assembly comprises two supporting stand columns and a jacking sealing bracket arranged between the two supporting stand columns; a vertical linear rail is arranged on each supporting stand column; the jacking sealing bracket is jacked and descended on the supporting stand columns through the vertical linear rails; an inner roller way is arranged on the jacking sealing bracket, and is used for beingmatched with a outer roller way to carry and transport the sand core tray; the microwave drying cavity is located above the supporting stand columns; the bottom of the microwave drying cavity is provided with a feeding opening; when the jacking sealing bracket ascends, the jacking sealing bracket is in sealing connection with the feeding opening. Through matching and sealing of the jacking sealingbracket and the upper microwave drying cavity, microwave leakage prevention is carried out, the problem of microwave leakage is effectively solved, and 3D printing sand core flow coating and automatic drying after dip coating are efficiently realized.

The invention provides an auxiliary air source control system and an auxiliary air source control method for an electric locomotive. When the pressure of a channel 21 of a dryer A2 is lower than 4.8 bar, a relay KM1 is controlled to act to drive a compressor A1 to compress air; when the pressure in the dryer is up to 7.35 bar, the channel 21 and a channel 1 of the dryer A2 are disconnected, the channel 1 is closed, the channel 22 is communicated with channels 4 and 3, a regeneration air cylinder A3 discharges the steam into air through the channel 3 by a drying agent; when the pressure of the channel 4 is up to 2.7 bar, the compressor A1 is stopped. A micro computer, the dryer and a pressure switch control the compressor all together, thus the automatic starting and stopping of the compressor are achieved, and the automatic regeneration of the dryer is achieved at the same time. The control is more rational, and the intelligence of the electric locomotive is enhanced.

The invention provides a flue gas denitration device for a carbon pot calciner and a denitration technology of the flue gas denitration device. The flue gas denitration device mainly comprises an ammonia water storage system, an ammonia water conveying system, an ammonia water dilution system, a reducing agent furnace-front injection system, the calciner, a PLC (programmable logic controller) control system and an on-line flue gas detecting system, wherein 20% of ammonia water is selected as a reducing agent for denitration of carbon calcination flue gas, a denitration reaction window is set to be at the temperature of 850-950 DEG C, the reaction position is selected to be in a convergent flue duct at an outlet of the calciner, the ammonia escape content is monitored in real time at the outlet of the calciner and is controlled to be smaller than 8 mg/Nm3, and the ammonia injection amount is controlled effectively. An SNCR (selective non-catalytic reduction) denitration technology is adopted and combined with characteristics of the carbon calciner flue gas so as to be successfully applied to denitration treatment of calcination flue gas, sequential automatic start-up and shutdown of the flue gas denitration system for the carbon pot calciner and automatic detection and storage of operation parameters are realized, key parameters are adjusted automatically, automatic control of the denitration system is realized, and safe and economical operation of flue gas denitration equipment is guaranteed.

The invention relates to a methane gas recycling system and a recycling control method. A pressure detection device is arranged between a buffering tank and a flash evaporator. The pressure detection device conducts interconnected control over a reducing valve and a motor switch of a compressor, and the system one-time operation time is prolonged beneficially. According to the control method, a gas circulating channel and a liquid recycling channel are controlled to be opened in a pressure interconnected control mode, manual control is avoided, the problem of automated control of methane gas recycling is solved, the manpower cost is saved, and the invalid power cost is saved as well.

The invention discloses a temperature-controlled circular variable wedge-shaped magnetorheological fluid clutch. The temperature-controlled circular variable wedge-shaped magnetorheological fluid clutch comprises a driving shaft, a clutch shell, a driven shaft, a magnet exciting coil and a magnetorheological fluid; a coil groove is formed in the outer side of the clutch shell; the magnet excitingcoil is mounted in the coil groove; a plurality of isolating baffle plates are arranged around a circle of the outer side of a transmission section; a first returning spring is arranged on the outer side of each isolating baffle plate; the gap among the isolating baffle plates and the inner wall of an outer shell are filled with the magnetorheological fluid; a centrifugal plate is arranged on theinner side of each isolating baffle plate; a filtering hole is also formed in each isolating baffle plate; a filtering film is mounted in the filtering hole; two electric brush sliding rings are alsoarranged on the driving shaft in a sleeving manner; one end of the magnet exciting coil is connected with one electric brush sliding ring after passing through a shape memory alloy temperature controlswitch; and the other end is directly connected with the other electric brush sliding ring. According to the temperature-controlled circular variable wedge-shaped magnetorheological fluid clutch, themaximum value of the torque which can be transferred is greater; the transferring efficiency is higher; the energy consumption is lower; and the stability of a transmission process can be ensured.

The invention provides a deep-cold liquefied air energy-storage and power generation system and a start-stop control method thereof. The system comprises an air inlet and air compression machine subsystem, an air purification and pressurization machine subsystem, a booster expansion turbine and liquid air subsystem, a deep cold pump subsystem, an air expansion power generation subsystem, a circulating fan subsystem, an energy and heat storage and cooling subsystem and multiple pipelines. The subsystems are connected through the pipelines, so that the automatic start-stop control of the deep-cold liquefied air energy-storage and power generation system during an energy storage stage, and the automatic start-stop control of the system during an energy release stage can be realized.

The invention provides a coal seam step-by-step water injection precise control system and a water injection method and relates to the technical field of coal seam water injection. The system comprises a flow sensor, a pressure sensor, an injection liquid viscosity and pH value sensor, a data monitoring substation and a connection circuit, and real-time transmission of data monitoring is achieved. The coal seam step-by-step water injection precise control system further comprises a high-pressure water pump, a water injection pipe, a check valve, a flow control valve and an electronic control switch, and accurate control over water injection pressure and flow is achieved. The system further comprises a real-time mixing water tank for liquid injection, a plurality of injection liquid modified medicine tanks, a pumping pump, an injection liquid agitator, a steady flow control valve and a water inlet/outlet pipeline, and real-time regulation of and control over the physical properties of the injection liquid are achieved. By the adoption of the structure, based on the mechanical parameter model required for different water injection stages, a controller controls the flow of each component, and the flows are input into the PCL controller in the programming language, so that the real-time monitoring of and control over the step-by-step water injection pressure and flow are achieved, the modified injection liquid required in each stage is optimized, and the coal seam water injection disaster prevention effect is improved.

Disclosed is a river channel slope protection device for water ecological restoration. The river channel slope protection device comprises a slope protection body, a water tank, a water pump and a flower and plant planting area; a supporting plate is fixedly connected to a slope of the slope protection body; an upper fixing plate is fixedly connected to the left end of the supporting plate, and a mounting block is slidably connected to the upper end of the supporting plate; guide rods are fixedly connected to the front and rear ends of the right side of the upper fixing plate; the mounting block is slidably connected to the outer sides of the guide rods; a mounting groove formed in the mounting block is formed in the upper portion of the guide rods; a gear rotationally connected to the mounting block is arranged in the mounting groove; a connecting shaft is fixedly connected to the upper end of the gear; a spraying pipe is fixedly connected to the upper end of the connecting shaft; spray heads are fixedly connected to the lower end of the spraying pipe; a rack is meshed with the left end of the gear; the front end of the rack is fixedly connected with a push shaft; the front end of the mounting block is fixedly connected with a hard pipe; the front end of the push shaft is fixedly connected with a push block; the push block is slidably connected in the hard pipe; the hard pipe is communicated with a spraying pipe through a connecting pipe; and the front end of the hard pipe is fixedly connected with one end of a water outlet pipe, and the other end of the water outlet pipe is fixedly connected with a drainage pipe.

The invention discloses a production device for pressing, curing and linking a neodymium-iron-boron magnet containing heavy rare earth. The device comprises a pressing table and a pressing device, thepressing device is mounted on one side of the upper end of the pressing table; when the air cylinder pushes the feeding bin to move at the upper end of the bottom film plate, connecting frames installed at the two ends of the feeding bin slide in inner cavities of the sliding grooves. The connecting frames move to drive the magnet to transversely move; when the magnet moves to the lower end of the vibration device; at the moment, the rotor in the power-on state can rotate, the rotor rotates to drive the disc installed at the eccentric position to rotate, the disc rotates to enable the vibration device to vibrate, vibration transmission enables the materials in the inner cavity of the film hole to be naturally laid flat under vibration, and therefore the die head is pressed downwards to bestressed evenly, and the bonding quality of the materials is improved.

The invention discloses a city tunnel automatic starting and stopping LED illumination lamp. The city tunnel automatic starting and stopping LED illumination lamp comprises a shell. A telescopic device is arranged in the shell. A transverse rod is fixedly connected to the bottom end of the telescopic device. The two ends of the transverse rod penetrate through rectangular holes formed in both the two side faces of the inner wall of the shell correspondingly and are fixedly connected with two driving devices arranged outside the shell, and a rotary shaft is fixedly connected with the lower surface of the part, located in the shell, of the transverse rod. The surface of the rotary shaft is sleeved with a bearing. Two vertical rods are fixedly connected to the surface of the bearing and are arranged symmetrically. According to the city tunnel automatic starting and stopping LED illumination lamp, through matching of the telescopic device, the transverse rod, the rectangular holes, the rotary shaft, the bearing, the vertical rods, a threaded barrel, a threaded column and a sliding plate, the LED lamp is installed, thus installation of the LED lamp can be achieved without the need for a wrench used by an installation worker, the workload of the installation worker is reduced, and convenience is brought to the work of the installation worker.

The invention discloses a fault-free drag and suction device for a coal face. The fault-free drag and suction device for the coal face comprises a motor, a water pump, a center shaft and a drag and suction component, wherein the motor is arranged above the water pump, the drag and suction component is arranged at a suction inlet below the water pump, the motor and the water pump are arranged coaxially relative to the center shaft, and thus the fault-free drag and suction device is easier to mount and use. The drag and suction device is arranged at the suction inlet below the water pump so that a large quantity of impurities, such as crushed coal and crushed stone, affecting operation of the water pump can be effectively filtered out, using risks of the water pump are reduced, and the service life is prolonged. An inductive starting and stopping component is mounted on the drag and suction component, and automatic starting and stopping of the water pump are achieved according to preset starting and stopping liquid levels, so that the automation degree is improved, and the labor intensity of field personnel is relieved.

The invention belongs to the technical field of medical equipment and relates to medical integrated oxygen production equipment. The equipment comprises an air compressor, a refrigeration dryer, an air buffer tank, a molecular sieve adsorption tower A, a molecular sieve adsorption tower B, an oxygen buffer tank and a PLC control device. According to the oxygen production equipment, before oxygen production, water, oil and impurities in the air are discharged through air treatment equipment such as a steam-water separator, a primary filter, a refrigeration dryer, an intermediate filter, a finefilter and the like; the air entering a molecular sieve adsorption tower is very pure, so that a molecular sieve in the molecular sieve adsorption tower cannot be damaged after long-time operation, and the oxygen concentration cannot be affected, the yield cannot be affected, the oxygen quality can be guaranteed. The medical integrated oxygen production equipment is suitable for oxygen supply in hospital centers. Meanwhile, automatic starting and stopping of the oxygen production equipment can be achieved through the PLC control device, the automation degree is high, and manual management is not needed.

The invention relates to an automatic control system of an air sampler for underway measurement and an application of the automatic control system. The automatic control system of the air sampler for underway measurement comprises a rain sensing module connected with a controller, a ship starting-stopping induction module and an air sampler respectively. By adopting the automatic control system of the air sampler for underway measurement, the air sampler can be automatically started and stopped in the case of raining and ship stopping, information such as time, position and the like in the automatic starting and stopping processes can be completely recorded, and the labor cost is effectively saved while the monitoring requirement is met.

The invention relates to a control system for an RO water purifier that is convenient for adjusting the discharge of concentrated water, comprising a single-chip microcomputer and a water pump driving device connected to the single-chip microcomputer, a combined flushing valve control device, a concentrated water discharge valve control device, and a high-voltage switch control signal circuit , Low-voltage switch control signal circuit, timer, indicator light device, key device and digital tube. Each component of the RO water purifier is controlled by a single-chip computer, especially the control of the concentrated water discharge valve. According to the water quality of the local municipal raw water, the start-stop time ratio of the concentrated water discharge valve can be manually adjusted, and the start-stop time can be intuitively displayed by the digital tube. than the numerical value. It is also possible to add a TDS detection device to realize the automatic start and stop of the concentrated water discharge valve. In addition, multiple expansion modules can be connected to the single-chip computer to realize various control methods, such as: Bluetooth module, WIFI wireless module or radio frequency module, and can realize remote control of external terminals such as mobile phones, tablets or remote controllers.

The invention discloses an automatic spraying deodorization device and a treatment method thereof, and relates to the technical field of environmental protection, in particular to a first three-way pipe and a raw material barrel, a water inlet is formed in one end of the first three-way pipe, and the raw material barrel is connected to the bottom of a proportioning pump through a hose; the side, away from the first electromagnetic valve, of the proportioning pump is connected with a second ball valve through a pipeline, a control cabinet is arranged on one side of the batching barrel, and the side face of the batching barrel is connected with a second three-way pipe through a pipeline; and the other end of the water pump is sequentially connected with a third three-way pipe, a fourth ball valve, a pressure gauge, a second flow meter, a second check valve and a spray head through a pipeline. According to the automatic spraying deodorization device and the treatment method thereof, through cooperative use of the liquid level meter and the proportioning pump, deodorization liquid and water can be automatically mixed according to a specific proportion when the liquid level is lower than a preset value, and the mixture is supplemented into the batching barrel, so that the labor intensity of manual proportioning of operators is greatly reduced, and the proportioning accuracy is also greatly improved.