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163results about How to "Realize integrated control" patented technology

Network solution for integrated control of electronic devices between different sites

A network solution for integrated control of electronic devices between different sites is provided to enable complete control of home electronic devices, automotive devices, watercraft devices and aircraft electronic device with an affordable cost to the general public. The network solution has a hardware solution and a software solution integrated with each other. The hardware has a main server located at a first site to link with and control various electronic devices located at the first site, and a computer located at a second site to link with and control various electronic devices at the second site. The software provides a user interface program for interfacing the main server and the computer with the electronic devices linked therewith, respectively, and an internetworking model interacting with the user interface program to communicate the main server and the computer. Therefore, the user is able to control the electronic devices at a distant site.
Owner:CASTLE TEK SYST

Coaxial drive and control structure for coaxial contrarotation rotor helicopter

ActiveCN102658865AAvoid High Stress StructuresGuaranteed StrengthRotocraftDrive shaftControl arm
The invention relates to a coaxial drive and control structure for a coaxial contrarotation rotor helicopter. A spindle is a hollow fixed shaft, the fixed shaft is provided with an upper rotor hub and a lower rotor hub, the upper rotor hub and the lower rotor hub are connected by virtue of a gearing shaft, the middle section of the fixed shaft comprises multiple support pillars which are uniformly distributed, an upper inclinator support and a lower inclinator support are arranged in spaces among the support pillars, a total propeller pitch sliding sleeve is arranged inside the lower section of the fixed shaft, a primary variable-pitch control rod is arranged in the total propeller pitch sliding sleeve and is located and hinged by virtue of a ball shaft, the upper part of the primary variable-pitch control rod is connected with the upper inclinator support and the lower inclinator support, and the lower end of the primary variable-pitch control rod is respectively hinged with a variable-pitch rocker arms by virtue of two variable-pitch connecting rods; and an upper inclinator and a lower inclinator are arranged between the upper rotor hub and the lower rotor hub and are hinged with an upper rotor control arm and a lower rotor control arm by virtue of an upper rotor control rod and a lower rotor control rod. By adopting the coaxial drive and control structure for the coaxial contrarotation rotor helicopter disclosed by the invention, the defect that a rotation control assembly penetrates a rotating surface is eliminated, thus the coaxial contrarotation rotor helicopter can be provided with more upper rotors and more lower rotors, lifting power of the helicopter is improved, full differentiating control can be realized, and manufacturing and processing costs of the spindle also can be reduced.
Owner:李游

Track transfer apparatus, track transfer connection device, transfer system and method

The invention discloses a rail transfer device. The device comprises a traveling mechanism comprising steel wheels, a first gyration mechanism connecting a saddle beam and the driving mechanism, a first gyration driving mechanism and a jacking-up mechanism, wherein the first gyration mechanism can rotatablely connect the traveling mechanism and the saddle beam; the first gyration driving mechanism can drive the driving mechanism to rotate relative to the saddle beam; the jacking-up mechanism is a jacking-up hydraulic cylinder comprising a cylinder body and a piston; the cylinder body and the saddle beam are relatively fixed; the outer end of the piston is provided with support legs; when the piston of the jacking-up hydraulic cylinder extends out, the support legs can jack the saddle beam up; and the device also comprises a grasping mechanism capable of grasping movable rails. In addition, the invention also discloses a rail transfer connecting device, a rail-type gantry crane transfer system and a transfer method thereof. The rail transfer device provided by the invention can realize the automation of transfer operation and improve the working efficiency of the transfer operation.
Owner:SANY MARINE HEAVY IND

Control method and device of photovoltaic power generation system and photovoltaic power generation system

The invention discloses a control method of a photovoltaic power generation system. The method includes the step of determining the average active power and average reactive power of an inverter, the step of determining a first active instruction signal of the inverter according to the synchronous rotation angular frequency and output angular frequency of a virtual synchronous machine, the step of determining a second active instruction signal of the inverter by means of practical charge status and a charge status set value of an energy storage device, the step of working out the current output angular frequency of the virtual synchronous machine and integrating the current output angular frequency to obtain the output voltage phase angle of the virtual synchronous machine, the step of working out an output voltage reference signal of the inverter, and the step of combining the output voltage phase angle and the output voltage reference signal into a reference instruction vector of output voltage of the inverter and conducting closed-loop control on the inverter on the basis of the reference instruction vector. On the basis of the control method, integrated control over the photovoltaic power generation system is achieved, and the photovoltaic power generation system can run more efficiently and stably. The invention further discloses the photovoltaic power generation system and a control device thereof.
Owner:SUNGROW POWER SUPPLY CO LTD

Main line full traffic control system and method

The invention provides a main line full traffic control system, comprising a comprehensive traffic management platform, a crossing traffic signal control subsystem, a video monitoring subsystem, a roadside traffic information display subsystem, a in-car traffic information display subsystem, and an information transmission system. The comprehensive traffic management platform realizes sharing of information and integration of functions through collecting information of each subsystem, and realizes coordinated interaction among the subsystems, thereby effectively integrating traffic information resources. The system can reorganize and maintain arterial road traffic order, provides accurate and rational green wave band timing plans, guides drivers to drive according to rules, and has important effect on improving traffic signal control efficiency.
Owner:QINGDAO ACADEMY OF INTELLIGENT IND +2

Rolling bearing device and rotary device

A rolling bearing device and a rotary device. The rolling bearing device comprises an oil supply unit supplying a lubricating oil in a tank by a pump through a nozzle opening in an annular space between an inner ring and an outer ring. The nozzle opens in a space between the inner peripheral surface of a retainer and the inner ring, and the inner peripheral surface of the retainer is formed to be continuously or intermittently reduced in diameter gradually starting at its axial center part to at least the insertion side end part of the nozzle. Thus, the lubricating oil dripped on the inner peripheral surface of the retainer can be prevented from flowing out to the outside of the bearing by flowing it to the axial center part by a centrifugal force caused by the rotation of the retainer.
Owner:JTEKT CORP

Integrated control mechanism for automatic walking device clutch and continuously variable transmission of lawn mower

The invention relates to an integrated control mechanism for an automatic walking device clutch and a continuously variable transmission of a lawn mower, which comprises a variable speed pulling rod, a pulling cable, a pulling cable fixing plate, a stroke plate, a belt pulley, a belt, and a small bevel gear, a large bevel gear, a return torsional spring, a return tension spring, a shifting fork, a clutch, a driving shaft, a compression spring and the like which are arranged in a chamber consisting of a box body and a box cover. When the integrated control mechanism is controlled, the variable speed pulling cable drives the stroke plate to drive the shifting fork so as to push the clutch to axially move through counter pull of the pulling cable fixing plate; and the clutch is meshed with the large bevel gear by combining elastic force of the compression spring on the driving shaft so as to drive the driving shaft to rotate. When the pulling cable is loosened, the shifting fork drives the clutch to separate from the large bevel gear in a reverse direction. Meanwhile, the integrated control mechanism achieves variable speed through clenching degree of the belt pulley and the belt, achieves integrated control of one pulling cable and has the advantages of ingenious design and simple structure.
Owner:NINGBO DELIN MACHINERY

Braking energy recovery system based on hydraulic ABS (anti-lock braking system) pressure regulator

The invention discloses a braking energy recovery system based on a hydraulic ABS pressure regulator. The braking energy recovery system comprises a pressure regulator with hydraulic ABS function, a main braking cylinder, a main cylinder vacuum booster, a drive motor, a braking controller, a vehicle control unit and a motor controller. The braking energy recovery system is characterized in that a pressure sensor is arranged on an oil outlet pipe of the main braking cylinder; a pressure sensor is arranged on the front wheel cylinder in the ABS pressure regulator; the signals of the two sensors are fed back to the braking controller; the drive motor is controlled by the motor controller; the braking controller keeps CAN (controller area network) communication with the vehicle control unit; the vehicle control unit keeps CAN communication with the motor controller; and the pressure regulator is used for controlling two braking oil circuits from a left front wheel to a right rear wheel and from a right front wheel to a left rear wheel. According to the invention, the braking energy can be recovered by using the motor to feed back the braking force, and the pressure of the wheel cylinder can be boosted, maintained and reduced by using the ABS pressure regulator, thereby realizing integrated control of braking energy recovery and ABS.
Owner:TSINGHUA UNIV

Numerical control device of tank truck production line

InactiveCN102019554ARealize manufacturing process compilationRealize integrated controlOther manufacturing equipments/toolsProduction lineControl system
The invention discloses a numerical control device of a tank truck production line, which relates to a numerical control device, in particular to the numerical control device of the tank truck production line. The numerical control device comprises a numerical control cutting machine (1), a numerical edge milling machine (2), a numerical control plate bending machine (3), a large-size plate jointing machine (4), a large-size shape expanding machine, a plasma arc welding machine (6) and a workpiece position changing machine (7). The invention develops a set of long-distance centralized numerical control system to realize the integrated control of manufacturing process establishment, production plan scheduling, production process monitoring, production and material management and the like.
Owner:史储健

Reduction gear and control method thereof

The invention relates to a reduction gear and a control method thereof. The reduction gear comprises a servo motor and a reducing mechanism connected with the servo motor, the reducing mechanism comprises a driving part and a driven part mutually matched, and the servo motor is connected with the driving part through a coupler. The driving part and the driven part are matched to input the power of the servo motor and output the power after reduction. An input shaft of the servo motor and an output shaft of the reducing mechanism are respectively provided with a first detecting device and a second detecting device, the first detecting device and the second detecting device input signals to a servo controller, the servo controller controls the servo motor to drive the reducing mechanism so as to input the power of the servo motor and output the power after reduction. The reduction gear has low cost, high control precision and quick response; the torque and the rotating speed are controllable; networked and integrated control is conveniently realized; and instructions of a main controller can be received, and the operation of a mechanical arm is controlled in a closed loop mode.
Owner:杭州中科赛思伺服电机有限公司

Hybrid power engineering machine multi-actuator control system

The invention relates to a hybrid power engineering machine multi-actuator control system which comprises a double-pump double-loop hydraulic control system. A backpressure adjusting unit, a first conversion control valve, a second conversion control valve, a third conversion control valve, a fourth conversion control valve, a fifth conversion control valve, a sixth conversion control valve and a hydraulic control one-way valve set. According to the hybrid power engineering machine multi-actuator control system, a hybrid power system is additionally arranged, recycling of movable arm potential energy and rotation braking kinetic energy is achieved, integrated control over energy recycling and load difference throttling loss eliminating is achieved, shortcomings in the prior art are effectively eliminated, and the beneficial effects of high energy efficiency, low emission and the like are achieved.
Owner:TAIYUAN UNIV OF TECH

Greenhouse water-fertilizer-gas integrated intelligent irrigation and waste liquid recovery system

The invention relates to a greenhouse water-fertilizer-gas integrated intelligent irrigation and waste liquid recovery system. The system comprises a control unit, and a water supply unit, a water-fertilizer coupling unit and an irrigation unit connected sequentially through a pipeline; a disinfection and air-entrapping unit is further installed between the water-fertilizer coupling unit and the irrigation unit, the outlet end of the irrigation unit is connected with the inlet end of a waste liquid backflow treatment unit, and the inlet end of the irrigation unit is connected with the outlet end of the waste liquid backflow treatment unit through the pipeline; the disinfection and air-entrapping unit comprises a magnetizing device, an air-entrapping and disinfection device and a gas-liquidmixing pump; the air-entrapping and disinfection device comprises an air purifier and a gas pump connected with the inlet end of the air purifier; a control system comprises a controller and a human-machine interaction interface. Compared with the prior art, disinfection treatment is conducted before air-entrapping treatment, which promotes the respiratory efficiency of plant roots and reduces the risk of plant root poisoning, and by recycling waste liquid, environmental pollution and resource waste are reduced.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Electric power collector system for alternating-current and direct-current microgrid

The invention discloses an electric power collector system for an alternating-current and direct-current microgrid. The system comprises a power electronic solid-state module, a monitoring module, an information processing module, an intelligent control module, a communication module, an energy storage module and an electric energy interface module. The communication module and the electric energy interface module are respectively connected with the power electronic solid-state module; the intelligent control module, the monitoring module and the information processing module are respectively connected with the communication module; the other end of the monitoring module is connected with the information processing module. By adoption of the technical scheme, a structure and a control process of distributed power source access equipment are greatly simplified, energy exchange and grid connection of the microgrid and a power distribution network are managed in a unified manner by the electric power collector system, integral control is realized, faults and interference between the microgrid and the power distribution network can be isolated completely, and unified control of power quality is realized.
Owner:STATE GRID CORP OF CHINA +1

Hill starting system and use method thereof

The invention provides a hill starting system. The hill starting system comprises a two-position three-way electromagnetic valve, a load sensing valve, an ABS valve, a gearbox controller and a hill starting switch. An air inlet of the two-position three-way electromagnetic valve is sequentially communicated with an air outlet of an air compressor through a foot valve, an air cylinder, a four-protection valve and a drier, an exhaust port of the two-position three-way electromagnetic valve is communicated with an air inlet of the ABS valve through the load sensing valve, the two-position three-way electromagnetic valve and the ABS valve are in signal connection with a hill starting controller, and the gearbox controller is in signal connection with the hill starting controller, the hill starting switch and an engine. During use, firstly the hill starting switch is pressed, a manual valve is switched off, an accelerator is trodden, the hill starting controller automatically controls the engagement depth of a clutch and coordinates the output torque of the engine according to hill resistance, currently needing to be overcome, obtained through calculation, and a vehicle is made to be started smoothly. By means of the design, the structure is simplified, the starting response speed is increased, and integrated control of a brake, the clutch and the engine is achieved.
Owner:DONGFENG COMML VEHICLE CO LTD

Load difference oil-electro-hydraulic composite back pressure regulation double-actuator system

The invention discloses a load difference oil-electro-hydraulic composite back pressure regulation double-actuator system. A power regulation unit, a back pressure regulation unit, a controller, conversion control valves, pilot operated check valves and pressure sensors are additionally arranged, an energy recycling structure is adopted, the pressures of oil return cavities of actuators expect a maximum load actuator are controlled to enable the differential pressures of oil inlet cavities of all the actuators and all control valve ports to be equal, thus, the pressure and flow of a hydraulic pump are matched with all the actuators, and throttling losses of multi-actuator systems caused by load differences are eliminated. Defects in the prior art are effectively overcome, and the double-actuator system has the advantages of high energy efficiency, low emission, kinetic energy recycling, power matching integration and the like in many aspects.
Owner:TAIYUAN UNIV OF TECH

Air disinfector

ActiveCN105435288AGood purification and disinfection effectFully bactericidalLighting and heating apparatusDeodrantsHuman healthAdverse effect
The invention relates to an air disinfector comprising a casing as well as a water tank, an electrolysis pipe, an atomizing pool and an air outlet drum which are arranged in the casing, wherein the water tank is communicated with a water inlet of the electrolysis pipe through a water inlet pipeline, a water electrolysis assembly is arranged in the electrolysis pipe, a water outlet of the electrolysis pipe is communicated with the atomizing pool through a water outlet pipeline, an atomizer assembly is arranged at the bottom of the atomizing pool, a fan is arranged on one side of the atomizing pool, the other side is communicated with the air outlet drum in a sealed manner, the fan blows air towards the air outlet drum, and a nozzle capable of extending out of the casing is arranged at one end, far away from the atomizing pool , of the air outlet drum. The air disinfector firstly electrolyzes and atomizes water and then sprays water mist out of the nozzle, and different from traditional devices for cleaning and disinfecting air through water electrolysis, the air disinfector atomizes and sprays the electrolyzed water to purify and disinfect the air, is good in purification effect, causes no adverse effect on the human health and can play a role in humidifying the air.
Owner:GD MIDEA ENVIRONMENT APPLIANCES MFG +1

Belt conveyor running state detection system based on line laser

The invention discloses a belt conveyor running state detection system based on line laser. The belt conveyor running state detection system comprises a conveyor body, a first bracket is fixedly connected to the upper surface of one end of a side edge plate, a second supporting plate is mounted on one side of the upper end of the first bracket, a first camera is mounted on the second supporting plate, a third supporting plate is installed on one side of the upper end of a second bracket, a second camera is installed on the upper surface of the third supporting plate, and a laser emitter is installed on one side of the second camera. According to the belt conveyor running state detection system based on the line laser, the laser emitter emits two perpendicular light to form different material forms, so that the first camera obtains a smooth and continuous curve or a discrete non-smooth line segment of the surface of a material, through different image processing methods in combination with the material moving time and camera frame rate, the volume of the material is calculated; and a conveyor operation image is obtained through the second camera, and the edge information of a conveyor belt is obtained through an image processing algorithm.
Owner:SHANDONG UNIV OF SCI & TECH

Sintering flue gas integrated type oxidization and denitration device and application thereof

The invention provides a sintering flue gas integrated type oxidization and denitration device and application thereof. The integrated type device mainly comprises an ozone generator, a mixing draught fan, a Venturi, an ozone diluter and an ozone distributor. A sintering flue gas denitration function can be realized by butt joint with existing enterprise water, a gas source and a sintering waste gas flue. By virtue of the integrated type oxidization and denitration device, ozone generation, dilution, mixing and spraying control integrated operation can be realized; the integrated type oxidization and denitration device has the characteristics of simple system, strong maneuverability, small occupied space, small investment and the like; and compared with the current situations that the residual space of an existing steel enterprise sintering workshop is limited and almost newly-added denitration workshop sections are modification projects, the integrated type oxidization and denitration device has a very good application prospect.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Integrated control system of elevator

The invention discloses an integrated control system of an elevator, which comprises a master control module, an external signal module and a motor, wherein the external signal module and the motor are respectively and electrically connected with the master control module. The integrated control system is characterized in that the master control module comprises a logic control module and a drive control module; the logic control module is used for receiving and processing a signal from the external signal module; the drive control module is used for controlling the operation of the motor; and the master control module further comprises a power-off automatic flat-layer module used for controlling the elevator to be operated to the flat-layer position under emergency circumstances. The integrated control system with the technical scheme has the benefits that the logic control and the drive control to the elevator are organically combined, high integration is achieved, and the function of driving the elevator by a frequency converter is optimized fully.
Owner:苏州德里克智能技术有限公司

Distributed message control device and method and building control system

The invention discloses a distributed message control device and method and a building control system. The device comprises a collection unit and a unification unit. The collection unit is used for collecting a message transmitted by each subsystem in more than one subsystem, wherein the message is a message transmitted by each subsystem through a protocol of the subsystem; the processing unit isused for processing the message transmitted by each subsystem by adopting a preset template to obtain a logic message in the message transmitted by each subsystem, wherein the preset template is a template matching each subsystem and the logic message is a message conforming to set logic or not. The unification unit is used for performing protocol format unification processing on logic messages inthe messages transmitted by each subsystem to obtain standard messages, wherein the standard message is a message conforming to a set protocol format. According to the scheme, a problem of high integration difficulty caused by non-uniform hardware interfaces and protocols of different subsystems in the building field equipment system can be solved, and the effect of reducing the integration difficulty of the building field equipment system is achieved.
Owner:GREE ELECTRIC APPLIANCES INC

Process for preparation of ammonium salt hydrogel

The invention discloses an ammonium salt preparing method, which comprises the following steps: A, preparing ammonium salt aqueous solution with ammonium salt; B, adding 1-20%function integral and crossbridging integral in ammonium salt aqueous solution at the temperature between 10deg.c and 90deg.c; C, putting 5-30% initiating agent liquor in liquor of step (the admission amount is 0.1-1% function integral and crossbridging integral); getting the ammonium salt by polymerization reaction for one hour to five hours. The invention is characterized by the following: the raw material is easy to get; the manufacturing technique is simple; it's easy to operate; the prepared ammonium salt aquagel is stored in network architecture of function macromolecule with ammoniacal nitrogen fertilizer and water; It's widely used for horticulture cultivation and desert handing.
Owner:SOUTH CHINA AGRI UNIV

Electric control system of air heating furnace and control method

The invention discloses an electric control system of an air heating furnace. The system comprises a bran room feeding control module, an empty furnace feeding module, an automatic combustion module,a first stop module and a frequency changer control module, wherein the bran room feeding control module is used for controlling fuels to enter a bran barrel; the empty furnace feeding module is usedfor controlling fuels to enter a combustion chamber; the automatic combustion module is used for controlling the fuels in the combustion chamber to be combusted automatically, and different frequencychanging control modes are set; the first stop module is used for stopping on-load operating of the electric control system; and the frequency changer control module adopts linear control modes and used for controlling the output frequency of an on-load frequency changer, and the linear control modes correspond to the frequency changing control modes set in the automatic combustion module. The invention further discloses a control method. According to the electric control system and the control method, the different control modes are selected through the frequency changer control module according to drying equipment, with different heat requirements, connected and matched with the air heating furnace, different interval adjusting modes are set, and the output heat control sensitivity and accuracy of the air heating furnace are improved; and by adopting the linear control modes, heat output of the air heating furnace can be smoothly transited, and heat output has better stability and accuracy.
Owner:ANHUI GUWANG DRYING MACHINERY CO LTD

Method for determining straight shearing strength admissible value of bridge deck pavement bituminous mixture

InactiveCN103344509ASimplify the process of determining the allowable value of shear strengthReasonable designMaterial strength using steady shearing forcesBridge deckUltimate tensile strength
The invention discloses a method for determining a straight shearing strength admissible value of a bridge deck pavement bituminous mixture. The method comprises the following steps of: 1, calculating shearing strength of a bridge deck pavement layer; 2, determining shearing strength and a shearing strength allocation proportion of each bituminous mixture pavement layer; 3, determining temperature of each bituminous mixture pavement layer; 4, setting accumulated standard axle load frequency and running speed in each month; 5, calculating an allowable rutting depth of each bituminous mixture pavement layer; 6, determining the direct shearing strength admissible value of the bituminous mixture adopted by each bituminous mixture pavement layer; and 7, outputting the result. The method is simple in steps, reasonable in design, low in investment cost, simple and convenient to use and operate and good in using effect, and the defect that the influence of the traffic volume, running speed, air temperature and mechanical response on the rutting cannot be reflected in the existing method for determining the shearing strength admissible value of the bituminous mixture can be effectively overcome.
Owner:GANSU ROAD & BRIDGE CONSTR GROUP

Device and method for preparing activated coke by pyrolysis of domestic waste

The invention discloses a device and method for preparing activated coke by pyrolysis of domestic waste. The device mainly comprises a drying rotary kiln, a microwave pyrolysis furnace, a pyrolysis gas combustion chamber, an air preheater, a steam generator, a coke sample activation furnace and a flue gas purification tower; the drying rotary kiln is connected with the microwave pyrolysis furnace,and a flue gas outlet is connected with the flue gas purification tower, an induced draft fan and a chimney through a pipeline; the microwave pyrolysis furnace is connected with the induced draft fanand the pyrolysis gas combustion chamber through a pipeline, a flue gas outlet of the pyrolysis gas combustion chamber is connected with the air preheater, one way of the air preheater is connected with a hot-air inlet of the pyrolysis gas combustion chamber, and the other way is connected with the drying rotary kiln; and a storage chamber is connected with the coke sample activation furnace, a flue gas outlet of the coke sample activation furnace is connected with the microwave pyrolysis furnace through a gas bypass, and the coke sample activation furnace is connected with the steam generator. The device provided by the invention is adopted to pyrolyze the domestic waste, the efficiency is high, and emission is concentrated; and the device can further prepare high-quality activated cokeand complete large-scale treatment of the domestic waste.
Owner:HUAZHONG UNIV OF SCI & TECH

Automatic fruit classification and boxing machine

The invention provides an automatic fruit classification and boxing machine. The automatic fruit classification and boxing machine comprises a classification device, a slideway device and a boxing device, and the classification device, the slideway device and the boxing device are assembled in sequence; the classification device comprises a production line support, a transmission device, a tray mechanism and a discharging device, wherein the tray mechanism and the discharging device are fixed on the transmission device; the tray mechanism is connected with the discharging device through a weight grade control device; the slideway device comprises an s-shaped slideway, a blanket speed reducer and a friction wheel device, wherein the s-shaped slideway is connected with the unloading side ofthe classification device, and the blanket speed reducer and the friction wheel device are sequentially connected with the outlet end of the s-shaped slideway; and the boxing device comprises grid devices, wherein the grid devices are connected with the outlet end of the friction wheel device and can move in a reciprocating mode in the height direction, opening and closing type baffles are arranged at the bottoms of the grid devices, and the fruit box carrying system is arranged below the grid devices. The automatic fruit classification and boxing machine has the functions of grading and screening, safe transmission, assembly boxing and whole-box output and can solve the problems of poor sorting precision, fruit damage and low boxing efficiency in the working process of an existing fruit boxing machine.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Loader static pressure transmission control system

InactiveCN103836181AEasy to operateSmooth and soft shiftingGearing controlIn vehicleTransmission system
The invention discloses a loader static pressure transmission control system which comprises a controller. The controller is respectively connected with a transmission shaft rotation speed sensor, a brake pedal displacement sensor, a direction switch, a display, an operating panel, a diagnosing opening, an accelerator pedal displacement sensor, an engine rotation speed sensor, a travelling pump, a first motor, a second motor and a gearbox. The traveling pump is connected with an engine. One end of the gearbox is connected with a bridge. The other end of the gearbox is connected with the first motor and the second motor. The loader static pressure transmission control system has the advantages that the loader static pressure transmission control system is convenient to operate and control, safe and reliable, stable and soft in vehicle speed change and convenient to mount and maintain, transmission system efficiency can be increased greatly, full-automatic stepless speed change is achieved, reasonable engine power output distribution and utilization by vehicles are achieved, fuel consumption is lowered, energy is saved, multiple vehicle operation parameters can be checked on instruments, multiple misoperation simulating and safety prompting functions are provided by the system, and operation safety is increased.
Owner:龙工(上海)机械制造有限公司

Laser additive manufacturing system and method for polymer wire

The invention belongs to the field of wire additive manufacturing, and discloses a laser additive manufacturing system and method for a polymer wire. The system comprises a lifting table, a wire conveying unit, an extruding unit, a robot and a laser device, wherein the lifting table is a working tabletop for forming a wire; the laser device is used for melting the wire extruded from the extrudingunit; the laser device is arranged outside the extruding unit to separate the melting of the wire from the extruding unit, namely separate wire conveying and melting, so that blockage of a sprayer ofthe extruding unit is avoided; a laser head and the extruding unit are fixed on a working table at the tail end of the robot, so that laser can directly shoot a wire extruding position at any time toensure that the wire is melted under the action of the laser as soon as the wire is extruded; the robot carries the extruding unit and a laser unit to move according to a preset track to realize melting and forming of the wire on a single slice layer; the lifting table goes down to realize forming of all the slice layers, so as to obtain a part to be formed. According to the laser additive manufacturing system disclosed by the invention, the problems of easiness in blockage, difficulty in cleaning, short service life and the like of the sprayer are solved.
Owner:HUAZHONG UNIV OF SCI & TECH

Integrated steam exhaust temperature reduction pressurizer

The invention relates to equipment for steam exhaust processing of a steam system, in particular to an integrated steam exhaust temperature reduction pressurizer particularly suitable for the occasions of steam exhaust recovery of a turbine system, a boiler system and the like. The integrated steam exhaust temperature reduction pressurizer comprises a body, a temperature reduction flow control ring, a pressure spraying nozzle and a mixing pipe. The pressure spraying nozzle is composed of a valve rod, a valve element and a Venturi sleeve tube, the valve element is installed at the tail end of the valve rod and sleeved with the Venturi sleeve tube, the Venturi sleeve tube and the body are welded and fixed, the middle of the valve rod is fixed in the body through a fixing part, a valve cover is installed on the upper portion of the valve rod, and the head of the valve rod is connected with an execution mechanism through a clamping block. The rear portion of the body is connected with the mixing pipe, and the mixing pipe is composed of an inlet flange and a Venturi tail pipe. A steam inlet flange is arranged at the position, near the head of the valve rod, of the fixing part, and a condensate water inlet flange is arranged on the other side of the fixing part. The temperature reduction flow control ring is installed in the part, under the condensate water inlet flange, of the body.
Owner:WUXI VOCATIONAL & TECHN COLLEGE

Lifting control device with skip emptying function

The invention belongs to mine lifting control technologies and provides a lifting control device with a skip emptying function. The lifting control device with the skip emptying function comprises an operating control system for automatically controlling a running process of a lifting system, a speed-adjusting system and a monitoring system, wherein the speed-adjusting system is used for supplying electricity to a motor and adjusting and controlling a running speed of an elevator, and the monitoring system is used for operating and monitoring a running process of the lifting control device. A fixed interval is arranged in a hardware mode or a combination mode of hardware and software; the elevator is in a full brake release state, and when a skip enters the set interval at a constant speed, sampling reading is continuously performed to current of a speed regulator in a circulating mode, and whether the skip is emptied is judged; and if the skip is not emptied, adopted corresponding measures are continuously taken to unload the skip which is not emptied. The lifting control device with the skip emptying function improves safe production capability of the lifting system, eliminates lifting intermittent time during the loading process of the skip, and improves production efficiency.
Owner:LUOYANG YUANCHUANG ELECTRIC
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