74results about How to "Achieve automatic control" patented technology

The invention provides an intelligent controller used for a direct current (DC) frequency-conversion air conditioner compressor and a technical proposal of the control method thereof; the hardware proposal comprises a rectifier filter circuit and a power module which are electrically connected sequentially; the rectifier filter circuit (220) is also electrically connected with a single DSP controller used as a core processing unit by a switch power supply (240); the single DSP controller is also respectively and electrically connected with the power module, a communication isolation circuit which is used for communicating with the indoor machine of the air conditioner, a fan driving circuit (280), and a temperature sampling circuit (270); the control method comprises the steps as follows:the control software is embedded in the DSP controller; by a control type of dual close-ring FOC no-sensor magnetic field vector, the current ring at the internal ring realizes the decoupling controlto the driving current of the permanent magnetic synchronous motor of a compressor and indirectly controls the output torque of the motor; the speed ring at the external ring is used for controlling the working frequency of the compressor, thus not only meeting the stable requirement during fixed frequency but also meeting the dynamic response during the frequency conversion; and the control software comprises a primitive recursive function and a main interrupt function.

The invention relates to a real-time weather forecast system and a real-time weather forecast method using a rain sensing device, wherein rainfall information of a specific area is collected through the rain sensing device and is transmitted to the system to be analyzed so as to work out a relatively real-time weather forecast; the real-time weather forecast system using the rain sensing device comprises the rain sensing device, a vehicle-mounted control module, a vehicle-mounted display screen, a system data center and a mobile terminal device, wherein a signal input end of the vehicle-mounted control module is connected with a signal output end of the rain sensing device; a rainfall signal sensed by the rain sensing device is transmitted to the vehicle-mounted control module; the vehicle-mounted control module is in data communication with the system data center through a communication channel; and the system data center is used for transmitting the processed data to the mobile terminal device or the vehicle-mounted display screen connected with the system through the data information channel, so that the purposes of monitoring and issuing real-time weather conditions are achieved.

The invention relates to microwave high-temperature heating equipment, in particular to a microwave high-temperature continuous tunnel kiln. The microwave high-temperature continuous tunnel kiln comprises two bracketsarranged in parallel, an inlet-end turning device and an outlet-end turning devicewhich are arranged at the two end parts of the bracket structure respectively, kiln car traveling guide rails arranged on the brackets, a kiln car, a tunnel kiln body arranged on one bracket, a charging device and a discharging device which are arranged on another bracket, and a feeding hole inhibitor and a discharging hole inhibitor which are arranged at the two end parts of the tunnel kiln body, wherein the tunnel kiln body comprises a housing, a heat preservation layer arranged in the housing, a microwave resonance cavity body formed in the inner wall surface of the heat preservation layer, a temperature measurement device and a microwave source assembly. The microwave high-temperature continuous tunnel kiln has the advantages that the structure is compact, the automation level is high, the heating speed is high, the temperature difference of materials is low, automatic charging, discharging and heating are realized, the working environment is improved, the labor intensity is reduced, the working efficiency is improved, and the continuous material production is achieved.

The invention relates to a solar greenhouse roof intelligent ventilation system and a control method thereof. The solar greenhouse roof intelligent ventilation system comprises a scissor fork type ventilation device, a ventilation opening sealing device and an intelligent control system. The scissor fork type ventilation device comprises a fixing support, a scissor fork frame, a ventilation opening push rod motor, a limiting sliding rail, a limiting pulley, a microswitch and a film fixing groove; the ventilation opening sealing device comprises a transfer rod push rod motor, a transmission shaft, a limiting bearing, a sealing rod, a transfer rod and a scissor fork type transmitter; the intelligent control system comprises a temperature sensor, a raindrop sensor, a touch screen, a PLC and a power adapter. On the basis of different requirements for temperature of different crops at different growth periods, whether ventilation is performed or not is judged not depending on a simple temperature threshold value; on the basis of environment data collected by the PLC according to the temperature and raindrop sensors, whether or not the effective accumulative temperature reaches the preset lower limit within the crop growth periods and whether it rains or not, the increase and decrease amplitude of the transient temperature and other factors are comprehensively considered, movement of the ventilation opening push rod motor and the transfer rod push rod motor is controlled, and therefore opening and closing of a ventilation opening are controlled.

The automatic drip irrigation flow rate control switch to control flow rate based on the humidity of soil consists of porous casing, water absorption material, elastic water pipe and position limiting piston. The water absorption material is set inside the porous casing with one opened end, the U-shaped elastic pipe has its bottom pressurized end contacted with the water absorption material and its water inlet end and water outlet end passed through and contacted closely with the position limiting piston, and the position limiting piston is matched closely with the porous casing. The present invention perform adaptive regulation on drip irrigation flow rate automatically without need power supply and has fast response speed, small size and low cost, and is wide applicable.

The invention discloses an anti-blocking electro-hydraulic control system for a sugarcane harvester conveying channel. The system comprises an electronic control unit and a three-position four-way electromagnetic throttling reversing valve, wherein two hydraulic ports of the three-position four-way electromagnetic throttling reversing valve are correspondingly connected with two hydraulic ports ofa hydraulic motor, and the other two hydraulic ports of the three-position four-way electromagnetic throttling reversing valve are correspondingly connected with a hydraulic source and an oil tank; magnetic steel and a torque sensor are installed on a conveying shaft, and a rotating speed sensor is installed near the magnetic steel; the signal output end of the rotating speed sensor and the signal output end of the torque sensor are connected with the input end of the electronic control unit, and the output end of the electronic control unit is connected with an electromagnetic valve of the three-position four-way electromagnetic throttling reversing valve; and the rotating speed sensor, the torque sensor, the electronic control unit and the electromagnetic valve of the three-position four-way electromagnetic throttling reversing valve are correspondingly connected with a switching power supply so as to obtain a working power supply. According to the anti-blocking electro-hydraulic control system, the running direction of the conveying channel can be automatically controlled according to the torque and the rotating speed of the conveying shaft so that a blockage of the conveying channel can be removed.

The invention belongs to the field of molding devices in the powder industry, and in particular, relates to an intelligent dynamic metering production system. The system mainly consists of a bin prediction device, a precise weighing device, an automatic feeding device, an automatic double lifting mechanism, a rail translation device, a machine body fixing mechanism and the like; the lower part of the bin prediction device is in butt joint with the precise weighing device; the lower part of the precise weighing device is in butt joint with the automatic feeding device; the automatic feeding device is fixed on the machine body fixing mechanism through the automatic double lifting mechanism; the machine body fixing mechanism transversely moves through the rail transition device arranged at the bottom; the operation stability of whole equipment is achieved; meanwhile, continuity of the whole production system can be effectively guaranteed; the purpose of continuous operation is realized; and the system is high in control precision, stable in operation, controllable in speed, simple in structure, low in failure rate, long in service life, high in safety and low in labor intensity, can achieve automatic control, reduces manual operation, and improves working conditions of workers.

The invention discloses a foldable movable energy storage type local heating device. The foldable movable energy storage type local heating device comprises a water distribution main pipe, a water collection main pipe, a front decorative plate, metal foam layers, a plurality of capillary tubes, a locating hole rack, a locating strip, an energy storage layer, a back decorative plate, universal wheels, a control device, and the like, wherein the control device comprises a microcomputer, a humidity sensor, an ultrasonic humidifier, a temperature sensor, an electric heater, a water level monitor and a connecting cable; connecting pipe sections are connected through transition connectors, and heat exchange units are connected in series; the capillary tubes are connected to the water distribution main pipe and the water collection main pipe in an embedded manner; the metal foam layers and the front decorative plate are connected through bolts, and are fixed into an integral body with the locating strip; the energy storage layer, the back decorative plate and the locating strip are fixed into an integral body; and the universal wheels are pasted and fixed to the water collection main pipe. According to the foldable movable energy storage type local heating device, local stable radiant heating is achieved and energy conservation and comfort purposes are achieved through phase change heat storage/heat release heating, auxiliary heating of the electric heater and humidification of the ultrasonic humidifier, and the foldable movable energy storage type local heating device integratesfolding, moving and automatic control functions.

The invention discloses a fully-automatic energy-saving drip molding method which is characterized by comprising the following steps: positioning, namely placing a mold on a one-cylinder four-claw system; carrying out drip molding, namely pushing the mold into a drip molding system through a telescopic cylinder; heating, namely pushing the mold into a heating system through the telescopic cylinderafter a product is formed on the mold through drip molding; cooling, namely heating the drip molded product on the mold, and pushing the mold into a cooling system through the telescopic cylinder; transferring, namely pushing the cooled mold into a transferring system 5 through the telescopic cylinder; clamping, namely transferring the mold into a clamping system; and demolding, namely pushing the mold into a demolding system through the telescopic cylinder. Through steps of positioning, drip molding, heating, cooling, transferring, clamping and demolding, a spraying molding product is moldedon one production line, fully-automatic production is achieved, and the production efficiency is improved.

The invention relates to gas charging equipment and a gas inlet port device thereof. The gas charging equipment is connected with a gas supply device so as to be used for guiding the gas into a semiconductor component or light shield storing device with a gas inlet part. The gas charging equipment comprises a supporting seat and at least one gas inlet port device, wherein the supporting seat is used for supporting the storing device; the gas inlet port device is arranged on the supporting seat and corresponds to the gas inlet part of the storing device; and the gas is filled into the storing device from the gas inlet port device. The gas inlet port device is provided with a first base, a second base, a first elastic element, a fixing element and a switching device, wherein the first base and the second base are respectively provided with a through hole, and the through hole of the first base corresponds to the through hole of the second base; the first elastic element is used for keeping the gas tightness, is arranged on the second base and corresponds to the contact part of the gas inlet part of the storing device; the fixing element is used for fixing the elastic element on the second base; and the switching device is arranged in the through holes of the first base and the second base and is used for controlling the gas which enters or is discharged from the gas inlet port device.

The invention discloses an overwater garbage cleaning and collecting device, and relates to the technical field of overwater garbage cleaning devices. The overwater garbage cleaning and collecting device comprises a floating plate, wherein the floating plate is in a rectangular plate shape, the left wall surface of the floating plate is an inclined wall surface, a square groove is formed in the upper wall surface of the floating plate, the left side of the square groove is open, circular grooves are formed in the side wall surfaces, close to each other, of the interior of the square groove respectively, a rotating shaft is arranged in the square groove, and a rotating roller is fixedly arranged on the outer wall surface of the rotating shaft. According to the overwater garbage cleaning andcollecting device, a seat and control equipment are arranged on the floating plate, when the floating plate needs to be used, power driving equipment below the floating plate can be started through astarting button on the control equipment, and then the floating plate can be driven forwards; and when people shake a holding rod, the holding rod can drive a guide plate to swing at the water bottomthrough a movable rod, so that the floating plate can accurately salvage garbage under the control of people, and therefore the effects of achieving automatic control and improving the garbage cleaning efficiency are achieved.

The invention discloses a weft yarn clamping mechanism. The mechanism comprises a belt conveyer, a clamping rod and a pressing block, wherein the belt conveyer is fixedly mounted on a bracket of a weft guiding mechanism; an annular belt capable of cyclically rotating is arranged on the belt conveyor, the clamping rod is arranged on the belt of the belt conveyor, and the pressing block is rotatablymounted on the bracket and presses the clamping rod on the belt; the clamping rod comprises a straight rod-shaped rapier, the two ends of the rapier are adopted as a clamping end and a tail end respectively, and an inner cavity is formed in the clamping end of the rapier and provided with an opening in the end face of the clamping end; an air cylinder is mounted in the inner cavity, a clamping head is mounted at the opening of the inner cavity. The clamping head comprises two clamping jaws which are oppositely arranged, and when a piston rod moves, the clamping jaws can be driven to rotate, so that engaging ends of the two clamping jaws are abutted together. The mechanism can be connected with an automatic control system, and the production efficiency is effectively improved.

The invention provides an intelligent fan controller. An engine rotary speed signal module, an engine water temperature signal module, an engine air temperature signal module, an oil temperature signal module of a speed changing box and a water temperature signal module of a water cooling motor are connected with a signal receiving end of a microcontroller module through a CAN (Controller Area Network) bus device; a battery storage is connected to the microcontroller module; and an output end of the microcontroller module is connected with an alarming indication lamp module and an electric fan. A microcontroller improves mechanical transmission of a traditional engine heat management fan into an electronic control mode so that an oil saving rate is improved by about 20%; and a working mode of the controller, and starting and full-open temperatures of each path of the fan can be realized by an upper computer through CAN communication, so that the same controller not only can be used on a traditional vehicle but also can be used on a new-energy-source vehicle.

The invention relates to a display system capable of automatically pausing and resuming and the controlling method thereof, wherein the display system includes a photography module assembly, a display module assembly and a control module assembly. The photography module assembly is used to retrieve at least one characteristic of users. The display module assembly is used to display video information. The control module assembly is electrically connected with the display module assembly and the photography module assembly, including a characteristic identification unit and a control unit. The characteristic identification unit is used to identify the characteristics of users. The control unit controls the display system to continue or suspend execution based on the users' characteristics identified by the characteristic identification unit.

The invention discloses an impurity removing device of a medium-frequency induction smelting furnace. The impurity removing device comprises a furnace body and an upper cover, and a flow-adjustable argon blowing module is arranged at the bottom of the furnace body. The impurity removing device is characterized in that a vibration intensity detection module is arranged on the furnace body; an ultrasonic vibration applying module is arranged at the bottom of the upper cover, and a solid inclusion fishing and transferring module and a solid inclusion analyzing module are arranged on the top of the upper cover; the solid inclusion fishing and transferring module comprises a bracket, manipulators and fishing discs; the solid inclusion analyzing module comprises a storing box and a screen mesh,and a weight detection module and a vibration module are arranged at the bottom of the screen mesh; the upper cover is further provided with a gas impurity exhaust port and a gas impurity concentration detection module arranged at the gas impurity exhaust port; and the impurity removing device further comprises a main control module. According to the impurity removing device of the medium-frequency induction smelting furnace, the impurity separation capability can be effectively improved, and the impurity removing effect is good. In addition, the invention provides an impurity removing methodfor the medium-frequency induction smelting furnace.

The invention provides a river snail rice noodle soup blend production system and a production technology thereof, and belongs to the technical field of the production of chili oil. The river snail rice noodle soup blend production system comprises a decoction pot, a blending tank, a centrifugal machine, a duplex filter and a storage tank, wherein the output end of the decoction pot is connected with the input end of the blending tank; the output end of the blending tank is connected with the input end of the centrifugal machine; the output end of the centrifugal machine is connected with theinput end of the duplex filter; and the output end of the duplex filter is connected with the input end of the storage tank. According to the river snail rice noodle soup blend production system disclosed by the invention, a method of decoction by slow fire is adopted, so that conventional taste of a soup blend is kept; after the soup blend is decocted, a pipeline is completely closed, so that thesituation that the soup blend is not subjected to secondary pollution is guaranteed, and the original taste is continuously kept; and a compounding tank which can perform automatic stirring and constant-temperature heating is used, so that the situation that secondary compounding of the soup blend is performed at a constant temperature is guaranteed.

The invention belongs to the technical field of aluminum profile preparation, and discloses an aluminum profile spraying system and a spraying method. The aluminum profile spraying system comprises a supporting frame, a rotating disc, spraying head assemblies and connecting assemblies; the rotating disc is rotationally connected with the supporting frame; the connecting assemblies are connected with the rotating disc and can rotate relative to the supporting frame along with the rotating disc; the spraying head assemblies are fixedly connected with the supporting frame and rotate relative to the rotating disc in the circumferential direction; and to-be-sprayed profiles are detachably and fixedly connected with the connecting assemblies, and the surfaces, connected with the connecting assemblies, of the to-be-sprayed profiles are parallel to spraying faces formed by spraying heads in the spraying head assemblies. When aluminum profile spraying treatment is conducted by adopting the aluminum profile spraying system, the positions of the aluminum profiles in the spraying process can be adjusted, so that coatings with uniform thickness on the surfaces of the aluminum profiles are achieved, and the spraying quality and effect are improved.

The invention discloses a wet desulphurization slurry supply adjusting method, which comprises the following steps: 1) setting the concentration CSO2-setting of flue gas sulfur dioxide of an outlet flue of a wet desulphurization system according to operation requirements; 2) respectively obtaining the flue gas sulfur dioxide concentration CSO2-original of the inlet flue of the wet desulphurizationsystem, the flue gas sulfur dioxide concentration CSO2-net of the outlet flue, the flue gas sulfur dioxide concentration CSO2-front of the outlet flue before unit time, and the slurry supply flow value Q supply-measurement of the slurry supply system, flue gas flow Q and the slurry supply density rho of the inlet flue of the wet desulphurization system, the slurry supply flow value Q supply-measurement, and the flue gas flow Q of the inlet flue of the wet desulphurization system and the slurry density rho from the original measurement system; 3) calculating a slurry supply flow value; and 4)comparing the calculated slurry supply flow value with the maximum output of the slurry supply system, and if the calculated slurry supply flow value exceeds the maximum output, reminding an operator;otherwise, automatically adjusting the slurry supply flow of the slurry supply system.