38results about How to "Automatic power adjustment" patented technology

The invention belongs to the field of distributed power generation and smart power grid control, relates to a neural network-based microgrid energy coordination central processor, and particularly provides a smart energy central controller which can utilize a BP (Back Propagation) neural network to control a microgrid comprising a wind power generation unit, a gas turbine generation unit, a PV (photovoltaic) generation unit, a load tap changing transformer, various loads and other units. In the implementing process, actual power of each micro-power supply, loaded actual power and system frequency are utilized as 9 input nodes of the neural network controller; and a network mapping relationship between the 9 input nodes and 11 output nodes is constructed by using a single hidden layer BP neural network containing 12 hidden layer nodes, so that energy balance management of a microgrid system is controlled, and self-adaptive connection between the microgrid and large grids is realized.

The invention mainly provides an intelligent tracking tow truck which can bear a certain weight. The tow truck mainly involves a tow truck combined type power management system based on single-chip microcomputer control and a tow truck short-distance wireless two-way navigation system based on single-chip microcomputer control. The intelligent tracking tow truck combined type power management system is powered on by a storage battery, and the storage battery is charged through a solar cell panel or city power. The intelligent tracking tow truck short-distance wireless two-way navigation system achieves man-truck positioning through a wireless induction system, an ultrasonic induction system determines the distance between a person and the truck, and the wireless induction system and the ultrasonic induction system cooperate to achieve synchronous running of the tow truck and a controller. An inclination angle detection system is used for monitoring the pavement conditions in the running process of the tow truck in real time and matched with a direct-current speed reducing motor driving system to achieve automatic acceleration during uphill running and automatic braking during downhill running. The intelligent tracking tow truck is powered on by a hybrid power source of solar energy and the city power, the wireless technology and the ultrasonic technology are used for achieving intelligent control of the tow truck, and the tow truck has the advantages of saving energy, being environmentally friendly, intelligent and the like and is an ideal tool for short-distance low weight carrying.

The invention provides a method for generating coal gas underground through air fracture and micro negative pressure, and belongs to the field of energy development. The method comprises the following steps that air inlet wells and a plurality of gas outlet wells are drilled, then a gasification tunnel is formed along drilled holes in the bottom of a coal seam to enable the air inlet wells and the gas outlet wells to be communicated, and therefore a gasification furnace is formed integrally; the coal seam is fractured through multi-level air pressure raising, igniter is added in an oxidation section between two adjacent wells, the igniter enables partial coal underground to burn, and generated mixed gas is exhausted to a ground well mouth through the gas outlet wells to obtain gas mixture of CO, H2 and CH4; in the burning process, micro negative pressure is formed in the gas outlets of the gas outlet wells and three working sections. The air fracture technology enables fractured coal to be loose, even and convenient to burn, environment pollution is not likely to happen, and gasification efficiency and gas output are guaranteed; the micro negative pressure prevents the generated gas from diffusing and escaping to other directions, and underground water pollution also can be avoided. The method can achieve the purposes of high coal recovery efficiency, low cost, environment friendliness and energy conservation.

The invention relates to a blue-light therapeutic instrument for jaundice detection. The blue-light therapeutic instrument is composed of a blue-light LED light source, a control module, a power supply module, a shell, a spotlight head, a coaxial optical fiber and a jaundice index detection unit. The blue-light LED light source is used as a treatment light source; a detection-light LED light source is used as a detection light source; and light guiding is carried out by using the coaxial optical fiber. Therefore, the blue-light therapeutic instrument not only has a jaundice treatment function but also has a jaundice index detection function; and the jaundice treatment power can be adjusted according to a jaundice index detection result. The side effect can be reduced substantially; the power is enhanced; the treatment time is shortened substantially; various side effects and instability of the traditional phototherapy instrument are eliminated. The severe jaundice disease of the newborn can be treated effectively.

The invention provides an intelligent wind speed regulation range hood based on background modeling. A range hood body is provided with a vision imaging module, a processing module and a wind speed control module. The vision imaging module conducts continuous imaging on a target area and transmits video stream information of imaged pictures to the processing module. The processing module conductsprocessing to obtain smoke grade information and transmits the smoke grade information to the wind speed control module. The wind speed control module controls a wind speed regulator to regulate the wind speed according to the smoke grade information transmitted by the processing module. The vision imaging module is provided with a camera, an infrared supplement light and a relay. The processing module obtains the current smoke area of the target area and the corresponding concentration of the current smoke area through a background model frame difference method and then conducts smoke grade quantitative processing according to the smoke concentration to obtain the smoke grade information. The power of the intelligent wind speed regulation range hood based on background modeling can be automatically regulated, and the kitchen environment can be purified. On one hand, electric energy can be effectively saved; and on the other hand, manual operation can be reduced, and the user experience can be improved.

The invention discloses a quantum-classic common fiber transmission system based on mode division multiplexing. The quantum-classic common fiber transmission system comprises two classic signal transmitters, a QKD transmitter, a first mode multiplexer, a second mode multiplexer, an EDFA, a mode demultiplexer, an MIMO digital signal processing unit, two classic signal receivers, a QKD receiver anda transmission link. The transmission link adopts few-mode optical fiber transmission and comprises N erbium-doped optical fiber amplifiers. The receiving end comprises a mode demultiplexer, a digitalsignal processing MIMO, two classic signal receivers and a QKD receiver. On the basis of increasing the transmission capacity through mode division multiplexing, the power of the pump light in the erbium-doped optical fiber amplifier can be automatically adjusted according to the bit error rate of a classic signal receiving end and the bit error rate of a quantum signal receiving end, and MDL damage in an MDM system is reduced.

The invention provides a power adjusting circuit, a power adjusting method and an electric chafing dish. The circuit comprises a heating unit, a first temperature control unit and a second temperature control unit, one end of the heating unit is electrically connected with one end of the first temperature control unit, the other end of the heating unit is electrically connected with one end of the second temperature control unit, the other end of the first temperature control unit is electrically connected with a first pole of a power supply, and the other end of the second temperature control unit is electrically connected with a second pole of the power supply; the heating unit comprises a heating element used for providing heat for an electric appliance; and the first temperature control unit comprises a kick temperature controller and a diode which are connected in parallel, the trigger temperature of the kick temperature controller is a first trigger temperature, when the temperature of the heating element is greater than or equal to the first trigger temperature, the kick temperature controller is disconnected, the heating power of the heating element is switched from a first power to a second power, and the first power is greater than the second power. Therefore, the power adjusting circuit can automatically adjust the heating power according to the current temperature condition, so that the food materials are prevented from being burnt.

The invention provides blades of a vertical wind driven generator. The vertical wind driven generator comprises more than one blade units. The blade units comprise a frame and a blade body, the blade body is arranged on the frame, one end of the blade body is provided with a first blade tip and the other end of the blade body is provided with a second blade tip in the radial direction of the blade units, a first movement device driving the first blade tip to move along the radial direction of the blade units is arranged between the frame and the first blade tip, and a second movement device driving the second blade tip to move along the radial direction of the blade units is arranged between the frame and the second blade tip. The blade structure can help adjust size of windward side of the blades so as to automatically adjust power of the wind driven generator and prevent failure of the wind driven generator resulting from overhigh wind speed and improve utilization of wind energy.

The invention discloses a method of realizing a self-adapting intelligent air purifier. The method is characterized in that a data link channel is formed between a mobile terminal and the air purifier, and the identity information bound up with the mobile terminal is verified, and then the corresponding right is allocated according to the identity information; the historical use record of the mobile terminal is read, and frequently-used data information of a user is acquired according to the historical use record; when the user is the first-use user, the anonymous identity information is allocated automatically, and the operation information of the anonymous identity user is recorded; the use modes are selected automatically according to the data information of the ambient environment, or the air purifier is started according to the mode set by the user. The method provided by the invention is advantageous in that by adopting the identity information verification and authentication way, the defect of the alternate control of a plurality of mobile terminals are prevented, and at the same time, the malicious manipulation of the data in the air purifier is prevented; the use modes are automatically adjusted according to the historical use record of the user, and the use power of various function modules can be adjusted by acquiring the ambient environmental data.

The invention provides a wet-process all-component waste gas purification tower, a purification system and a purification method. The wet-process all-component waste gas purification tower comprises atower body and one or more absorption liquid circulation systems, each absorption liquid circulation system comprises an absorption liquid preparation system, a reaction system and an absorption liquid recovery system, and each reaction system comprises N layers of tower plates horizontally arranged in the tower body; the outer diameter of the Nth layer of tower plate is matched with the inner diameter of the tower body to realize radial plugging of the tower body, an overflow port is formed between the 1-(N-1)th layer of tower plate and the inner wall of the tower body, and an overflow weiris arranged at the overflow port of the tower plate; a plurality of bubble cap units are arranged on the tower plate, each bubble cap unit comprises a riser and a bubble cap, and the upper edge of theoverflow weir is higher than the upper edge of the bubble cap; a circulating liquid outlet of the absorption liquid circulating system is communicated with the absorption liquid on the first layer oftower plate, and the absorption liquid on the Nth layer of tower plate is communicated with a circulating liquid inlet of the absorption liquid circulating system. The wet-process all-component wastegas purification tower is wide in application range, small in occupied space, good in purification effect and suitable for purification treatment of various waste gases.

The embodiment of the present invention provides a device and method of adjusting modulator output optical signal power balance, wherein the device comprises a plurality of balance controllers, the input end of each balance controller is connected with the output end of a modulator via a demodulation unit, a trans-impedance amplifier and an optical splitter, and the output end is connected with a driver. Each balance controller corresponding to an optical signal and comprises a parameter setting unit, a first control loop, a second control loop, a multiplication addition unit, a low-frequency signal generation unit and a voltage monitoring unit. According to the embodiment of the present invention, a driving amplitude 2V Pi can be detected adaptively, accurately and rapidly, and further when a differential phase shift keying eye pattern is locked via the found accurate 2V Pi, the power of the output optical signals can be adjusted automatically to guarantee the output optical signal power balance, thereby reducing the difference loss between the plurality of optical signals.

The present invention discloses a ventilation and heat-preservation-type livestock-breeding room, and belongs to the technical field of agricultural breeding. The ventilation and heat-preservation-type livestock-breeding room comprises a room body, a wall of the room body is provided with a ventilation pipeline, an inside of the ventilation pipeline is fixedly provided with a ventilation device, the ventilation device comprises an outer shell, the outer shell is provided with an air bag, one end of the air bag is fixed on an inner wall of the outer shell, besides, the other end of the air bagis fixed on a press plate, an electric push rod is fixedly arranged between the press plate and an inner wall of the outer shell, both ends of the air bag are respectively provided with an air inlet pipe and an air outlet pipe in a penetrating manner, and one end of the air inlet pipe penetrates the outer shell and extends to an outside of the room body. A ventilation device is arranged to cooperate with a ventilation adjusting mechanism to conduct circulation of air in a breeding farm, air in the breeding farm is exhausted out, besides, outside fresh air is sucked inside the breeding farm, when inside and outside difference in temperatures is great, and power of the ventilation mechanism can be automatically adjusted, thereby reaching a heat retaining effect when ventilating.

The invention discloses a water and electricity isolation electric heater comprising a water tank, a ceramic plate is tightly attached to the outer wall of the bottom of the water tank, solenoid coils are arranged at the bottom of the ceramic plate, slope-shaped hot iron is arranged at the bottom in the water tank, and a controller, a power circuit, a temperature sensor and a water level sensor are arranged on one side of the water tank, wherein the power circuit, the temperature sensor and the water level sensor are respectively connected into the controller, and the power circuit is electrically connected with all the solenoid coils. The water and electricity isolation electric heater is novel in structure and convenient to operate, under the condition that water and electricity are isolated, the water-based electric heater can perform efficient heating indoors, and safety and comfort of heating can be improved.

The invention discloses a constant current power supply for a lightning protection discharging channel test device of an artificial earthing electrode. A power input module is connected with a voltage regulation module, and is used for supplying a constant current output module, and current introduced from the constant current output module is connected to the voltage regulation module through a dropout voltage detection module. Compared with the prior art, the constant current power supply has the advantages that a wider output voltage range can be provided, the power of the power supply can be automatically regulated according to a load condition to effectively prolong the service life of the power supply and achieve a better energy-saving effect, and the constant current power supply is suitable for the lightning protection discharging channel test device of the artificial earthing electrode.

The invention relates to the technical field of energy-saving radiators, and discloses an energy-saving radiator with a good dust filtering effect and based on a thermal expansion and cold contraction principle. The energy-saving radiator comprises a rack; the interior of the rack is movably connected with a ventilation turbine; the inner wall of the ventilation turbine is fixedly connected with a conical booster pipe; the right wall of the conical booster pipe is inserted with a cold air outlet pipe; the opposite end of the cold air outlet pipe is fixedly connected with a ventilation pipe; and the inner wall of the ventilation pipe is movably connected with a driving shaft. According to the energy-saving radiator with the good dust filtering effect and based on the thermal expansion and cold contraction principle, hot air in the radiator to be cooled is pumped out through the ventilation turbine, the hot air rotates at a high speed in the conical booster pipe and continuously expands after being preliminarily accelerated by the ventilation turbine, and cold air is exhausted from the cold air outlet pipe; and under the action of a cooling turbine, the air is blown to the surface of a to-be-radiated tool through the ventilation pipe, so that the convection speed of the air is increased, the heat exchange efficiency of internal hot air and external cold air is improved, and the radiating effect is better.

The invention relates to a protection control method used for a roots vacuum pump. The protection control method comprises a vacuum pump differential pressure control step and a motor fault protection step. The vacuum pump differential pressure control step comprises the procedures that pressure of an exhaust port of the vacuum pump is collected in real time, and whether the pressure exceeds a set value is judged; and if yes, according to the differential pressure of the current pressure and the set value, a controller controls a corresponding overflow electromagnetic valve to be opened or closed to adjusting the ratio of the power of a pump body to the differential pressure. The motor fault protection step comprises the procedures that motor fault signals of the vacuum pump vacuum pump are collected in real time, and whether a fault occurs to the motor is judged according to the fault signals; if yes, the controller sends the corresponding fault signal to a display screen, the corresponding fault signal is displayed, an alarm is given; and if a serious fault occurs, the controller gives a stop instruction. Compared with the prior art, the protection control method has the advantage that the operational reliability and performance of the vacuum pump can be improved effectively.

The invention discloses a system and a method capable of realizing single-engine training of a double-engine helicopter. An engine electronic controller A is respectively connected with an engine A, an engine T0 sensor A, an engine training mode switch, an engine single-engined power switching switch, an engine electronic controller B, and a comprehensive information display system; the engine P0sensor A is arranged in the engine electronic controller A; and an engine electronic controller B is connected with an engine B, an engine training mode switch, an engine single-engined power change-over switch, an engine T0 sensor B and the comprehensive information display system, and the engine P0 sensor B is arranged in the engine electronic controller B. According to changes of the external atmospheric temperature and the atmospheric pressure height, the change of the transient output power of the engine during single-engined training and the change of the output power during stabilization are automatically adjusted, the similarity between the helicopter during single-engined training and the helicopter during real single-engined training is high, and the emergency handling capacity of a pilot during single-engine faults can be practically improved.