53results about How to "Good automatic control" patented technology

The invention discloses an automatic down filling machine, and belongs to the technical filed of a stowage unit for down and feather filled products. The automatic down filling machine comprises a box body, a first down stirring mechanism, a second down stirring mechanism, an electrical automatic control mechanism, a pair of weighing metering mechanisms, a pair of down output mechanisms, a pair of down filling heads and a box cavity channel start-and-stop mechanism. The box body comprises a box frame, a down storage box and a down delivering box. The first down stirring mechanism is used for stirring down in a down storage box cavity, and the second down stirring mechanism is used for stirring down in a down delivering box cavity. The pair of weighing metering mechanisms is connected with a pair of down leading out connector pipelines on two sides of the down delivering box, the pair of down output mechanisms is connected with the pair of weighing metering mechanisms, the pair of down filling heads is connected with the pair of down output mechanisms in a matched mode, and the box cavity channel start-and-stop mechanism is placed on the box frame. The electrical automatic control mechanism is provided with an electrical box body, a control panel, a programmable controller, a group of magnetic valves and a high-pressure air storage tank. The automatic down filling machine has the advantages of showing rhythmic continuity of down supplying, being capable of providing guarantee for subsequent continuously weighing and down filling, showing good down filling efficiency, reducing operation intensity of workers, eradicating down wasting and showing good automatic control effect.

The invention relates to a smoke waste heat recovery device. The smoke waste heat recovery device comprises a gas boiler, a high-temperature smoke exhaust pipeline, a smoke heat exchanger, a softened water storage device, a low-temperature smoke pipeline, a low-temperature smoke desulfurization exhaust device, a hot water deaerator and an automatic control cabinet. The gas boiler is connected with a high-temperature smoke inlet of the smoke heat exchanger through the high-temperature smoke exhaust pipeline. A low-temperature smoke outlet of the smoke heat exchanger is connected with the low-temperature smoke desulfurization exhaust device through the low-temperature smoke pipeline. A water supply inlet of the smoke heat exchanger is connected with the softened water storage device through a water replenishing pipe network. A water outlet of the smoke heat exchanger is connected with a boiler water supply pipe network through a heat supply water pipe. The softened water storage device is connected with the hot water deaerator through the boiler water supply pipe network. The hot water deaerator is connected with a water inlet of the gas boiler. The automatic control cabinet is electrically connected with the smoke heat exchanger, the softened water storage device, the low-temperature smoke desulfurization exhaust device and the hot water deaerator so that automatic operation of whole smoke waste heat recovery can be achieved. The smoke waste heat recovery device is high in smoke waste heat recovery utilization rate.

The invention provides an automatic temperature control platinum wire electronic cigarette, which is characterized by comprising an atomization wire, a sampling circuit, a singlechip microcomputer and a power adjustment circuit, wherein a resistance value of the atomization wire varies positively along with a temperature value, the atomization wire is a platinum wire, the sampling circuit is connected with the atomization wire in series, the singlechip microcomputer is connected with the output end of the sampling circuit and capable of processing analog signals outputted by the sampling circuit, the power adjustment circuit is connected with the singlechip microcomputer and controlled by the singlechip microcomputer, and the output end of the power adjustment circuit is connected with the sampling circuit. According to the invention, the platinum-wire atomization wire with a high oxidation resistance and a high temperature coefficient of resistance is adopted, a real-time current value at both ends of the atomization wire can be acquired more accurately when the temperature of the atomization wire changes in the long-time using process, the real-time current value is converted into a real-time temperature value through conversion, acquisition, amplification and processing, the singlechip microcomputer controls and adjusts the power loaded on the atomization wire through a result of comparing the real-time temperature value and a preset temperature value, thus the temperature of the atomization wire is adjusted, and heat preservation is carried out after the preset temperature is reached. The automatic temperature control platinum wire electronic cigarette has function of automatic detection, temperature control and constant temperature.

The invention discloses a feed oil adding device. The feed oil adding device comprises an oil pump, an oil storage tank, a thick oil drain pipe, a thin oil drain pipe, a first solenoid valve, a second solenoid valve, a weighing hopper, a buffer head, an oiling pump, a mixer, a timeout controller, a weighing sensor, a third solenoid valve, a pressure sensor and and an external control center; an oil inlet of the oil storage tank is connected with the oil pump through a pipeline, the oil storage tank is communicated with the weighing hopper through the thick oil drain pipe and the thin oil drain pipe, and the thick oil drain pipe and the thin oil drain pipe are provided with the first solenoid valve and the second solenoid valve respectively. The feed oil adding device is scientific and reasonable in structure, safe and reliable in operation, good in automatic control and good in practicability.

The invention discloses a metal building element dynamic wind load simulation test device. The simulation test device comprises an upper box body(1), a lower box body(2), a seal element (3), a fan (4), a reversal valve(5), a flutter valve (6), a regulating valve (7) and a control device, wherein a reversing device (500) is arranged in the reversal valve(5), the reversal valve(5) comprises a valveair inlet, a valve air outlet, a first valve air inlet and air outlet and a second valve air inlet and air outlet, the air outlet of the fan (4) is communicated with the valve air inlet, the air outlet thereof is communicated with the valve air outlet, the second valve air inlet and air outlet are communicated with the upper box body(1), when the reversing device (500) is in a first reversing state, the valve air inlet is communicated with the first valve air inlet and air outlet and the valve air outlet is communicated with the second valve air inlet and air outlet; and when the reversing device (500) is in a second reversing state, the valve air inlet is communicated with the second valve air inlet and air outlet and the valve air outlet is communicated with the first valve air inlet and air outlet. The simulation test device of the invention can be used in the detection field of metal curtain walls and roofs.

The invention provides an accuracy-variable magnetic railing ruler based on array nozzle electro-spinning direct writing and a device and method for manufacturing the accuracy-variable magnetic railing ruler. For the accuracy-variable magnetic railing ruler based on array nozzle electro-spinning direct writing, non-magnetism-conducting polymer fibers which are regularly arrayed are firstly and directly written through the array nozzle electro-spinning direct writing technology,and therefore a non-magnetism-conducting thin film is formed to serve as a substrate; then, the polymer fibers which are regularly arrayed and mixed with hard magnetic material particles are directly written, so that a thin film which is of a structure regularly and evenly distributed and is provided with a magnetic surface is formed to serve as a magnetic ruler, magnetic waves are recorded on the magnetic thin film through a magnetism recording head, and therefore the magnetic railing ruler is manufactured. The accuracy of the magnetic railing ruler can be changed when the magnetic railing ruler is installed and measured according to the requirement for the measured accuracy. Due to the fact that the polymer electro-spinning thin film is strong in adsorption performance, the accuracy-variable magnetic railing ruler based on electro-spinning direct writing can be adsorbed to a measured workpiece, can be synchronously expanded or contracted along with the measured workpiece and is strong in adaptability to the change of the environment. According to the array nozzle electro-spinning direct writing technology, a plurality of electro-spinning depositions can be directly written with high accuracy, and the production efficiency is high on the premise that the production accuracy is guaranteed.

The invention relates to a mine ropeway detection control system for carrying out detection control on a ropeway on a mine. The mine ropeway detection control system comprises power supply modules, detection modules, monostable trigger modules, a PLC (Programmable Logic Controller) control module and an executing module, wherein each power supply module comprises an LM2576-12 voltage stabilizing chip, each detection module comprises a microwave detection module and a key detection module, the monostable trigger modules detect level changes in signals and carry out delay on the signals to control opening and closing of a relay, the PLC control module receives a relay opening and closing signal, and transmits data to the executing module after the data is analyzed and processed; and the executing module comprises a frequency converter module, an indicator lamp module and a horn alarm module, data information transmitted by the PLC control module is executed , a motor operation mode is controlled to be displayed, the detection result is ensured by using microwave detection and key detection, whether high and low levels alternatively control a relay to be opened or closed is judged rapidly through monostable trigger circuits, a plurality of detection modules automatically detect whether people take buses from a plurality of access adits to control the operation mode of a motor, and thus the energy loss is reduced.

The invention provides a hydraulic control system of an anti-clamping drill rod of a rock drilling machine. The hydraulic control system comprises an LS (Load Sensor) control variable pump, a rock drilling impact valve block, a propelling control valve set, a propelling pressure regulating valve block, an anti-clamping drill rod valve block and a pilot handle control valve set. When a rotary pressure of the rock drilling machine is raised, the hydraulic control system has the functions that the pressure of a propelling oil cylinder of the rock drilling machine is automatically reduced, the propelling is stopped and the rock drilling machine is automatically returned to the outside, and the impact is automatically stopped when the rock drilling machine is returned; compared with the prior art, a control function is the most complete. The control system adopts an LS control function of the variable pump and has the characteristics of good automatic control performance, strong commonality of hydraulic elements, energy saving and high efficiency.