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Million-level user simultaneous online mobile platform server architecture
InactiveCN103944993ANormal operation effectIncrease or decrease quantityTransmissionFault toleranceCache server
The invention provides a million-level user simultaneous online mobile platform server architecture which comprises a load balancing server group, a logic processing server group, a high-speed data caching server group and a database server. The logic processing server group and the high-speed data caching server group respectively and independently achieve distributed structures, and data storage and logic processing functions are separated. The servers in the mobile platform server architecture are high in toughness degree in running, high in scalability and good in fault tolerance performance, can bear a large number of online players and meanwhile keep high-stability and high-toughness network games. The servers can bear millions of users by simply increasing the number of deployed machines.
Owner:北京乐动卓越信息技术有限公司
Novel high temperature fan
The invention relates to a novel high temperature air blower. The invention comprises a motor, a belt transmission, a main axle, a bearing seat, an impeller, and a heat isolation layer, and the invention is characterized in that the belt transmission and the main axle and the bearing seat are positioned in a frame, the main axle is extended in the frame via the axle hole and connected with the impeller, the heat isolation layer is arranged at the outside of the frame, a sealing ring is arranged at the outer side of the axle hole of the frame, the sealing ring is tangential with the main axle, an inner sunken round groove is arranged at the inner side of the heat isolation layer, a fan blade is arranged on the main axle, the fan blade is positioned in the inner sunken round groove, and a small blade is arranged at the side where the impeller faces the heat isolation layer. The air exhaust direction of the fan blade is back to the impeller. The invention has the advantages that the heat of the high temperature area of the impeller can be isolated, to prevent disadvantageous influence of high temperature to the normal running of the motor and the power transmission part.
Owner:SHANGHAI GENERAL FAN
Humanoid robot with attitude calibration system and control method thereof
ActiveCN111113377ANormal operation effectRealize automatic calibration effectProgramme-controlled manipulatorHumanoid robot naoSimulation
The invention discloses a humanoid robot with an attitude calibration system and a control method thereof, and relates to a robot and a control method thereof. The robot is provided with robot motionjoints consistent with human motion joints; the attitude calibration system comprises inclination angle sensors, angular velocity sensors and a single chip microcomputer; and the single chip microcomputer comprises a signal acquisition unit, a storage unit, a central processing unit, a power management unit and a driving unit. According to the method, each robot motion joint is provided with one inclination angle sensor and one angular velocity sensor, and in operation, the inclination angle sensor and the angular velocity sensor respectively collect real-time values of each joint and comparethe real-time values with a standard inclination value and a standard angular velocity value; when the deviations of the two numerical values exceed threshold values, the central processing unit immediately disconnects a power supply of a motion execution module, and the robot is in a stop shutdown state. According to the humanoid robot with the attitude calibration system and the control method thereof, the action deviation caused by mechanical loosening in operation can be prevented, the robot can be prevented from being collided and broken, the performance is reliable, the structure is simple, the cost is low, and the robot is easy to popularize and use.
Owner:桂林凯歌信息科技有限公司
Refrigerator and control method thereof
ActiveCN105180563ANormal operation effectAvoid building upLighting and heating apparatusCooling fluid circulationFrostEngineering
The invention relates to a refrigerator and a control method thereof. The refrigerator comprises at least one storage room and a draught fan used for blowing cooling blast to one or more storage rooms. Specifically, the invention provides the control method of the refrigerator. The control method includes the steps that the running state of the draught fan is obtained; when the draught fan stops, the continuing time during which the draught fan stops running is acquired; and when the continuing time during which the draught fan stops running reaches first preset duration, the draught fan is started in a forced manner, and the draught fan is forced to run for second preset duration. Thus, after a certain amount of frost or ice is formed on the draught fan, the draught fan is forced to run so that the purpose of effectively removing the frost or the ice on the draught fan can be achieved. The invention further provides the refrigerator. The refrigerator further comprises at least one storage room, the draught fan and a control device. The control device is configured in the manner that the draught fan is started in the forced manner when the continuing time during which the draught fan stops running reaches the first preset duration, and the draught fan is forced to run for the second preset duration.
Owner:HAIER SMART HOME CO LTD
Starting construction method for large-span gable wall of cylindrical latticed shell structure for coal storage yard
ActiveCN110387965ANormal operation effectHigh field installation accuracyBuilding roofsWallsEngineeringYard
The invention relates to a construction method of a net rack, in particular to a starting construction method for a large-span gable wall of a cylindrical latticed shell structure for a coal storage yard. The gable wall is manufactured by small spliced unit grounds, and is overhung to expand splicing, so that the construction speed is high. The coal delivery work of the coal storage yard is not affected, so that a purpose of construction while working is achieved. The large-span cylindrical latticed shell structure is constructed in a special working condition environment of the coal storage yard by adopting a method of using the small spliced units, starting the gable wall, decreasing progressively layer by layer, constructing row by row upward and overhanging to expand splicing. By combining gable wall starting by way of splicing, the method divides construction sections reasonably. Started from two ends of the gable wall, the gable wall is mounted upward lattice by lattice, cylindrical shell net racks on two sides are mounted at the same time, the cylindrical shell net racks on the two sides in starting are decreased progressively row by row along the mounting height, supportingpoints are arranged in a spaced manner in a starting internal chord of the gable wall, and hawsers are pulled in different heights on two sides, so that the integral stability is ensured. The gable wall is manufactured by small spliced unit grounds, and is overhung to expand splicing, so that the construction speed is high.
Owner:SHANXI CONSTR ENG CO LTD
A real-time monitoring system for linear motor with double loop network
ActiveCN111903220BGuaranteed real-timeReduce power consumptionComputer controlData switching by path configurationMonitoring dataDouble loop network
The invention provides a real-time monitoring system for linear motors with dual networks. The monitoring system includes a three-layer structure of a monitoring management layer, a process control layer, and a device-oriented layer. The monitoring management layer includes: an ejection server, a monitoring workstation, a command workstation, and a process The control layer includes programmable automation controllers, redundant hot standby controllers, and network communication modules, and the device-oriented layer includes network communication modules, distributed I / O, and sensor networks for linear motors. Among them, a dual-network structure is adopted between the monitoring management layer and the process control layer. Both the control network and the health monitoring network use 1000Mbps optical fiber Ethernet. The control network transmits control commands and control feedback signals or comprehensive health status signals, and the health monitoring network transmits a large number of sensors. Monitoring data, dual networks work in isolation from each other. The process control layer and the device-oriented layer adopt 100Mbps Ethernet communication. The system is a real-time monitoring system of linear motor system that meets the requirements of real-time, reliability and maintainability.
Owner:NAVAL UNIV OF ENG PLA
Production system of waterproof agent
ActiveCN112517140AImprove quality levelExtension of timeCocoaGrain treatmentsElectric machineryIndustrial engineering
The invention belongs to the technical field of waterproofing agents, and particularly relates to a production system of a waterproof agent. The production system comprises a fine grinding device, thefine grinding device comprises a shell, an installing plate is fixedly installed at the upper end of the shell, a motor I is fixedly installed on the installing plate, an output shaft of the motor Iis fixedly connected to a connecting plate, the connecting plate and an upper grinding plate are fixedly connected to each other through a fixing column, a lower grinding plate is fixedly installed inthe shell, a feeding groove is formed in the edge of the upper grinding plate, a sieve plate is fixedly installed in the middle position of the lower grinding plate, a spiral groove is formed in thelower grinding plate, a collecting cylinder is fixedly installed on the lower grinding plate, and the collecting cylinder is over against a sieve plate on the lower grinding plate. The production system is simple in structure and convenient to use, raw materials can be automatically ground and screened, the fineness of products is improved, and the performance and quality grade of the products areimproved.
Owner:GUANGDONG GUANHAO HIGH TECH
Large-scale dust removal device for construction site
InactiveCN108554064AAvoid inhalationNormal operation effectCombination devicesUsing liquid separation agentDrive wheelAir velocity
The invention relates to the technical field of dust removal equipment, in particular to a large-scale dust removal device for a construction site. The large-scale dust removal device comprises a water tank, a fixing mount and a housing, wherein the top of the water tank is fixedly connected with a tripod; the top of the tripod is rotationally connected with the housing; the left end of the innerside of the housing is provided with fan blades; the top of the inner side of the housing is fixedly connected with a second motor; the bottom of the second motor is rotationally connected with a bevel gear; the right side of the bottom end of the bevel gear is provided with a first driven wheel, and the left side of the bottom of the bevel gear is provided with a second driven wheel; and the first driven wheel and the outer side of the second driven wheel are fixedly connected with a connecting plate. The device prevents dust and gravel around equipment from being sucked into the device to affect the normal operation of the device, can adjust the air velocity of an air outlet, is convenient for achieving accurate spraying range and spraying force when the device performs dust removal, hasgreat economic benefits and a wide market prospect, and is worthy of popularization and use.
Owner:佘峰
Air cleaning unit
ActiveCN105066289ANormal operation effectAvoid damageMechanical apparatusLighting and heating apparatusPlasma generatorAir cleaning
The invention provides an air cleaning unit. The air cleaning unit comprises a plasma generator and a supporting part as well as a cleaning part, wherein the plasma generator comprises a collecting plate which is used for collecting dust and is arranged on the supporting part; and the cleaning part is movably connected to the supporting part and has a first location capable of cleaning the collecting plate and a second location far away from the collecting plate. The air cleaning unit effectively solves the problem of incapability of automatically cleaning accumulated pollutants in the prior art.
Owner:GREE ELECTRIC APPLIANCES INC
Preheating method for molten salt tank of thermal storage system of photothermal power station
InactiveCN110319606AIncrease disturbanceSmall temperature differenceSolar heating energySolar heat storagePower stationThermal energy storage
The invention discloses a preheating method for a molten salt tank of a thermal storage system of a photothermal power station. The preheating method comprises the steps that a molten salt tank preheating system is arranged, preheating temperature rise is carried out, temperature difference control is carried out, and preheating safety protection is carried out; a pipe port is reserved at the topof the molten salt tank, and a gas furnace is connected in through a temporary pipeline; the bottom of a chimney is sealed, a hole is formed in the lower end of the chimney, and the chimney is inserted into the bottom of the molten salt tank from the top of the molten salt tank or the interior of the reserved hole; exhaust gas of the gas furnace is collected into high-speed airflow to enter the molten salt tank and rotationally flows from top to bottom along the tank wall slowly, so that an aerodynamic field in the tank is disturbed, and the purpose of controlling the preheating temperature difference is achieved; preheating temperature rise control is regulated by a PLC of the gas furnace; and the PLC of the gas furnace and DCS are bridged, the molten salt tank is safely and reliably preheated to the salt injection temperature within a short time, and the safety of the preheating process is ensured.
Owner:SEPCOIII ELECTRIC POWER CONSTR CO LTD
Anti-cheating device capable of working during power outage for refueling machine
InactiveCN104495739AImprove the ability to prevent cheatingSafeguard legal rightsLiquid transferring devicesGear transmissionTraffic volume
The invention relates to an anti-cheating device capable of working during power outage for a refueling machine. The anti-cheating device comprises a gear transmission module, an angle sensor, a measuring motherboard and a monitor, wherein the gear transmission module is connected with a flow measuring transducer of the refueling machine and the angle sensor respectively; the measuring motherboard is connected with the angle sensor and the monitor respectively. A rotation angle of a main shaft is monitored by the gear transmission module and the angle sensor kept in mechanical connection with the main shaft of the flow measuring transducer of the refueling machine under the condition of power-on and power-off, and the rotation angle value is measured by the measuring motherboard and is transmitted to the monitor. The monitor is used for judging whether a fuel capacity cheating behavior is implemented by a person during power outage by calculating a fuel capacity change value of the refueling machine before and after power outage. According to the device, large-scale modification is not required to be performed on the existing fuel capacity metering module of the refueling machine, and no influence is caused to normal running of the refueling machine; the technical scheme is simple and convenient, is low in cost and is beneficial to popularization and application.
Owner:SHANGHAI UNIV
Manual high-pressure engine oil compensator of turbine pressurizer of diesel engine
InactiveCN102635435APracticalSimple and efficient operationMachines/enginesEngine componentsTraffic volumeForced induction
The invention provides a manual high-pressure engine oil compensator of a turbine pressurizer of a diesel engine. Along with the modern development of the automobile engine production field, the turbine pressurizer of the diesel engine is widely used by the advantages that the power of the engine is greatly increased, the energy is saved, the emission is reduced and the like. However, the maneuverability and the energy-saving effects of vehicles are influenced by the technical reasons: the vehicles can be started by detaching an oil supply pipeline and manually filling engine oil before the packaged vehicles and the mounted pressurizer are started; and after the vehicles are started and before the vehicles are flamed out at a high rotating speed, the engine is required to be rotated for 5 minutes at a low rotating speed so that the vehicles are dispatched or flamed out. An engine oil supply system is designed to solve the problems, the engine oil in the engine is utilized and an oil supply compensating system is relatively independent and does not use any mechanical power so that the manual engine oil compensator is used for completely solving the problems. The compensator adopts a plunger type to be forced and the large-flow oil supply quick-effect energy is dozens of times higher than that of manually filling, so that the service life of the pressurizer can be prolonged, the maneuverability of the vehicles is improved and the energy is saved.
Owner:宋树春
Urban sludge low-temperature hydrothermal carbonization coal production recycling system
PendingCN111875210AKill completelyHigh fuel value and environmentally friendlySludge treatment by pyrolysisChemical industryAutomatic controlProcess engineering
The invention discloses an urban sludge low-temperature hydrothermal carbonization coal production recycling system which greatly improves the combustion value of biochar and enhances the sludge incineration efficiency through a vacuum drying and squeezing system. A phosphorus recovery device is added to recover phosphorus in sewage and develop the additional value of phosphorus. The integrated system comprises a feeding system, a carbonization system, a heat exchange system, a discharging system, a dehydration system, a dosing system, a phosphorus recovery system, an automatic control systemand the like, and is characterized in that the excess sludge is converted into green fuel (charcoal), and phosphorus is recovered, so that the excess sludge is harmless, stable, reduced, recycled, economical and efficient. According to the technology, urban sludge low-temperature hydrothermal carbonization coal production recycling is provided, and sludge is pyrolyzed in an anaerobic environment to produce biochar. The biochar formed after hydrothermal carbonization and vacuum drying and squeezing is high in combustion value, environmentally friendly, high in resource utilization rate and remarkable in energy conservation.
Owner:四川欧美华环境工程有限公司
An integrated device for heating and cooling wind turbine gearbox
ActiveCN106838278BNormal operation effectReduce qualityGear lubrication/coolingWind drivenElectric machine
The invention provides a heating and radiating integrated device for a wind driven generator gear box. The heating and radiating integrated device comprises a temperature collection module for collecting a temperature of the gear box, wherein the temperature collection module is connected with a control module; the control module is connected with a motor drive module and a heating and radiating module separately; the motor drive module is connected with the heating and radiating module; the heating and radiating module comprises a heating and radiating fin; a heating resistance wire is arranged in the heating and radiating fin; the heating and radiating fin is connected with a rotating shaft; and the rotating shaft is connected with the motor drive module. The motor drive module drives the rotating shaft to rotate and drives the heating and cooling fin to be clung to the gear box; and the heating resistance wire is opened or closed to heat or stop heating the gear box. The rotating shaft reversely rotates and drives the heating and cooling fin to rotate to be vertical with the wind driven generator gear box, so that radiating of the gear box is achieved. The quality of lubricating oil is not affected by indirect heating. The heating and radiating integrated device is simple in structure and convenient to maintain and repair, and integrates heating and radiating, so that the cost and the occupied space are reduced.
Owner:SHANGHAI DIANJI UNIV
Rolling brush, floor brush, dust collector and cleaning method of particulate matter
PendingCN110326998AIncrease rotation speedAchieve vacuum cleaningSuction nozzlesElectric equipment installationParticulatesMotor speed
The invention discloses a rolling brush, a ground brush, a dust collector and a cleaning method of particulate matter, and belongs to the technical field of ground cleaning equipment. The problems that in the prior art, particulate matter is difficult to suck into a floor brush and the user experience is poor are solved. The rolling brush comprises a shaft body and a flocking layer, wherein the outer wall surface of the shaft body is wrapped with the flocking layer, the shaft body is provided with at least one contact sensor, and the height of the flocking layer is larger than the height of the contact sensors relative to the outer wall surface of the shaft body. The cleaning method comprises the following steps that a floor brush main controller obtains particle signals generated by the contact sensors; the floor brush main controller sends a motor rotation speed increasing instruction to a rolling brush motor speed controller; and the rolling brush motor speed controller adjusts therotation of a rolling brush motor, so that the particulate matter enters a suction tube of the floor brush. The rolling brush, the floor brush, the dust collector and the cleaning method of the particulate matter can be used for floor cleaning.
Owner:PUPPY ELECTRONICS APPLIANCES INTERNET TECH (BEIJING) CO LTD
A start-up construction method for a large-span cylindrical reticulated shell structure gable in a coal storage yard
ActiveCN110387965BGuaranteed stabilityNormal operation effectBuilding roofsWallsLong spanMechanical engineering
The invention relates to a construction method of a net rack, in particular to a starting construction method for a large-span gable wall of a cylindrical latticed shell structure for a coal storage yard. The gable wall is manufactured by small spliced unit grounds, and is overhung to expand splicing, so that the construction speed is high. The coal delivery work of the coal storage yard is not affected, so that a purpose of construction while working is achieved. The large-span cylindrical latticed shell structure is constructed in a special working condition environment of the coal storage yard by adopting a method of using the small spliced units, starting the gable wall, decreasing progressively layer by layer, constructing row by row upward and overhanging to expand splicing. By combining gable wall starting by way of splicing, the method divides construction sections reasonably. Started from two ends of the gable wall, the gable wall is mounted upward lattice by lattice, cylindrical shell net racks on two sides are mounted at the same time, the cylindrical shell net racks on the two sides in starting are decreased progressively row by row along the mounting height, supportingpoints are arranged in a spaced manner in a starting internal chord of the gable wall, and hawsers are pulled in different heights on two sides, so that the integral stability is ensured. The gable wall is manufactured by small spliced unit grounds, and is overhung to expand splicing, so that the construction speed is high.
Owner:SHANXI CONSTR ENG CO LTD
Anti-deposition low-resistance rake frame
InactiveCN113975861AReduce resistanceNormal operation effectSettling tanks feed/dischargeEngineeringStructural engineering
The invention discloses an anti-deposition low-resistance rake frame, and belongs to the technical field of thickener rake frames.The anti-deposition low-resistance rake frame comprises a rake body and rake teeth; the multiple rake teeth are fixed on the bottom surface of the rake body at equal intervals; the rake body is of a hollow metal shell-shaped structure; the rake body is composed of a first long connecting rake, a second long connecting rake and a short connecting rake; one end of the first long connecting rake is fixedly connected with one end of the second long connecting rake; the first long connecting rake and the second long connecting rake form a sample setting out object; and the size of the end face of the end, away from the second long connecting rake, of the first long connecting rake is larger than that of the end face of the end, away from the first long connecting rake, of the second long connecting rake; and one end of the short connecting rake is fixedly connected with one end, far away from the first long connecting rake, of the second long connecting rake. The rake body is of the hollow metal shell-shaped sealed structure; and when the rake body works, the rake body can bear larger buoyancy, so that the rake body floats out of a deposition layer, and therefore, the resistance brought by the deposition layer when the rake frame rotates is reduced.
Owner:YANTAI XINGSHENG ENVIRONMENTAL PROTECTION TECH CO LTD
Cement flour unloading auxiliary device for straight column large plate
InactiveCN111824795AStable deliveryNormal operation effectConveyorsLoading/unloadingStructural engineeringMechanical engineering
The invention discloses a cement flour unloading auxiliary device for a straight column large plate. The cement flour unloading auxiliary device comprises an unloading barrel, a control assembly, a spiral feeder and a containing barrel, wherein the unloading barrel is internally provided with a star-shaped rotor, the upper portion of the unloading barrel is provided with a first feeding inlet, andthe lower portion of the unloading barrel is provided with a first discharging outlet; the control assembly is arranged on the unloading barrel and used for controlling the size of the first discharging outlet; the spiral feeder is arranged on the lower portion of the unloading barrel and provided with a second feeding inlet and a second discharging outlet, and a communication channel is arrangedbetween the second feeding inlet and the first discharging outlet; and the containing barrel is located outside the communication channel and communicates with the upper portion of the communicationchannel, and the problem that the unloading barrel cannot normally operate when the discharging speed is too high is solved.
Owner:国网河南省电力公司西峡县供电公司
A kind of preparation method of fuel additive
InactiveCN106336925BEasy to storeNot prone to emulsificationLiquid carbonaceous fuelsFuel additivesFiltrationOil additive
The invention discloses a preparation method of a fuel additive and belongs to the technical field of fuel additives. The preparation method comprises the steps that firstly, snail shells are taken and smashed for ultrasonic oscillation, filtrate and filtration residues are respectively collected after filtration, then polyisobutylene, maleic anhydride and the like are subjected to stirring reaction, pH is regulated, standing is performed for layering, an organic phase is collected to obtain polyisobutylene succinimide, then silver oxide, aluminum oxide and the like are mixed with the filtration residues, the mixture is ball-milled into powder, the mixed powder is mixed with methyl alcohol to obtain mixed liquid, the mixed liquid is mixed with the filtrate, the polyisobutylene succinimide and the like to obtain a base material, and finally the base material, castor oil, potassium nitrate and the like are stirred and discharged to obtain the fuel additive. The prepared fuel additive is suitable for long-term storage and transportation, an oil layer emulsification phenomenon does not occur, engine running is not affected, the fuel additive does not contain sulfur, phosphorus and other substances, is green, environmentally friendly, does not destroy the environment or harm human and has a broad application prospect.
Owner:永康市蓖麻汽车服务有限公司
Comfortable linen-like knitted fabric and preparation process thereof
The invention discloses a comfortable linen-like knitted fabric and a preparation process thereof. The comfortable linen-like knitted fabric is formed by blending and weaving acrylic staple fibers, viscose fibers, cotton fibers and slub cotton, wherein the comfortable linen-like knitted fabric comprises, in percent by mass, 15%-25% of the acrylic staple fibers, 25%-35% of the viscose fibers, 10%-20% of the slub cotton and the balance being the cotton fibers. According to the prepared comfortable linen-like knitted fabric, the acrylic staple fibers, the viscose fibers, the cotton fibers and theslub cotton are selected, the yarn forming property of the viscose fibers with the acrylic staple fibers is enhanced through surface modification on the viscose fibers, first yarn and second yarn have better stability and compatibility, therefore, the surface flatness and hand feeling of the linen-like knitted fabric are improved, the appearance is stiff, and the quality is excellent.
Owner:石狮耀翔织造有限公司
Air purification device
ActiveCN105066289BNormal operation effectAvoid damageMechanical apparatusLighting and heating apparatusPlasma generatorAir purification
The invention provides an air cleaning unit. The air cleaning unit comprises a plasma generator and a supporting part as well as a cleaning part, wherein the plasma generator comprises a collecting plate which is used for collecting dust and is arranged on the supporting part; and the cleaning part is movably connected to the supporting part and has a first location capable of cleaning the collecting plate and a second location far away from the collecting plate. The air cleaning unit effectively solves the problem of incapability of automatically cleaning accumulated pollutants in the prior art.
Owner:GREE ELECTRIC APPLIANCES INC
Floor brush for dust collector, dust collector and particulate matter cleaning method
ActiveCN110226896AIncrease rotation speedAchieve vacuum cleaningSuction nozzlesElectric equipment installationMotor speedParticulates
The invention discloses a floor brush for a dust collector, the dust collector and a particulate matter cleaning method and belongs to the technical field of floor cleaning equipment. The invention solves the problems that particulate matters are difficult to suck into the floor brush and the use experience effect of a user is poor in the prior art. The floor brush for the dust collector comprisesa rolling brush, a floor brush main controller, a rolling brush motor speed regulator and a rolling brush motor. The rolling brush comprises a shaft body and a flocking layer wrapping the outer wallface of the shaft body. At least one pressure sensor is arranged on the shaft body, and the height of the flocking layer is larger than that of the pressure sensor relative to the outer wall face of the shaft body. The floor brush main controller comprises a controller and a pressure processor. The pressure sensor is connected with the controller through the pressure processor, and the rolling brush motor is connected with the controller through a rolling brush motor speed regulator. The floor brush for the dust collector, the dust collector and the particulate matter cleaning method can be used for cleaning floors.
Owner:PUPPY ELECTRONICS APPLIANCES INTERNET TECH (BEIJING) CO LTD
Electric appliance equipment water-cooling radiator
InactiveCN107771012ASimple and reliable connectionEasy to connectCooling/ventilation/heating modificationsHeat sinkInsufficient Cooling
The invention provides a water-cooled heat dissipation device for electrical equipment, which relates to the field of heat dissipation for electrical equipment, to solve the problem of insufficient heat dissipation of electrical equipment today, which includes several heat dissipation devices, water tanks, semiconductor refrigeration elements and circulation pumps It includes a heat dissipation cavity of the heat dissipation base and several protruding heat dissipation sheets, the heat dissipation base is fixedly connected with the heating element, the heat dissipation cavity is hollow, and also includes a water inlet pipe and a water outlet pipe. The heat dissipation cavity is an integral structure located on the other surface of the heat dissipation cavity; the water tank is placed outside the heating electrical equipment, and also includes a liquid injection port, a liquid discharge port and four supporting feet at the bottom; the semiconductor refrigeration element Including the cold end and the hot end, powered by the AC-DC converter, and a heat dissipation structure at the hot end, through the implementation of this scheme, the rapid heat dissipation of electrical equipment can be realized to solve the problem of large heat generation and insufficient heat dissipation of many electrical equipment at this stage .
Owner:弘毅天承知识产权股份有限公司
An anti-cheating device for fuel dispensers that can work with power off
InactiveCN104495739BImprove the ability to prevent cheatingNormal operation effectLiquid transferring devicesTransducerComputer module
Owner:SHANGHAI UNIV
Treatment equipment for black and odorous water body and treatment method for black and odorous water body
InactiveCN113374011ASave time at workEasy to handleTelevision system detailsMechanical machines/dredgersSludgeWater resource management
The invention relates to the technical field of black and odorous water body treatment, and discloses treatment equipment for a black and odorous water body and a treatment method for the black and odorous water body. The treatment equipment comprises a supporting platform, wherein a plurality of floating barrels are fixedly arranged on the side wall of the supporting platform, a platform hole is formed in one end of the top surface of the supporting platform, an automatic extendable barrel is fixedly arranged on the bottom surface of the supporting platform, a working box is fixedly arranged on the bottom surface of the automatic extendable barrel, a material passing hole is formed in the top surface of the working box, placing holes are formed in the corners of the bottom surface inside the working box, and micro cameras are fixedly arranged inside the placing holes. After detection of an ultrasonic sensor, the automatic extendable barrel extends towards the bottom of a river channel, and a suction head is inserted into sludge, a sand pump is started, the sludge is sucked into the sand pump through a feeding hose, and then the sludge is sprayed out through a discharging pipe, so that the sludge at the bottom of the river channel is effectively treated, the workload of workers is reduced, and the working time of river channel sludge treatment is shortened.
Owner:赵卫锋
Circulation Pump System for Precision Roller Machining
The invention relates to the field of roller conveying, in particular to a circulating pump system for precision roller machining. The circulating pump system comprises a conveyor belt, a driving wheel, rotating wheels and a fixed plate, wherein the driving wheel is rotationally arranged at the middle position of the upper part of one side of the fixed plate, the two sides of the driving wheel are each provided with the rotating wheel, and the lower side of the driving wheel is also provided with the rotating wheel. The conveyor belt winds the lower end of the driving wheel, then winds the upper surface of the rotating wheel on one side of the driving wheel, then winds the lower surface of the rotating wheel on the lower side of the driving wheel, and finally winds the upper surface of the rotating wheel on the other side of the driving wheel and returns the lower end of the driving wheel. The circulating pump system has the advantages that the design is ingenious, the use is convenient, and the roller can be conveniently conveyed to a machine tool for machining.
Owner:江苏星业精密滚子科技有限公司
Comprehensive crop small-scale ridger
InactiveCN111386770ANormal operation effectAvoid overheatingSpadesAgricultural machinesAgricultural scienceTransmission belt
The invention relates to the technical field of agricultural production, in particular to a comprehensive crop small-scale ridger. The comprehensive crop small-scale ridger comprises a supporting frame, wherein three vehicle fixing rods which are uniformly distributed are fixedly connected to the back surface of the supporting frame; a protection tank is fixedly connected to a position adjacent tothe center, of the right side of the front surface of the top end of the supporting frame; a fixed seat is fixedly connected to the right side of the bottom end of the inner wall of the protection tank; a motor is fixedly connected to the center of the top end of the fixed seat; a rotating shaft is fixedly connected to the left end of an output shaft of the motor; and a transmission belt is arranged at the center of the outer part of the rotating shaft in a sleeving manner. According to the comprehensive crop small-scale ridger disclosed by the invention, the protection tank is arranged, so that the situation that water in a water tank flows into the protection tank to influence normal operation of the motor can be avoided; and besides, the arranged protection tank is located in the watertank, and water in the water tank can take away heat quantity produced when the motor runs, so that the phenomenon of overheating generated by that the running time of the motor is too long is avoided, and the working duration of the device is prolonged to a certain extent.
Owner:ANHUI ACQUISITIVE INTERNET OF THINGS CO LTD
A Water Circulation Structure Based on Turntable System
ActiveCN109945970BNormal operation effectRealize heat dissipationPhotometry using electric radiation detectorsCooling/ventilation/heating modificationsElectric machineAzimuth direction
Owner:HEBEI HANGUANG HEAVY IND
A kind of dynamic eccentricity fault detection method of in-wheel motor
ActiveCN110470212BSimple structureEasy to modifyUsing electrical meansDynamo-electric machine testingElectric machineSimulation
A method for detecting a dynamic eccentricity fault of a wheel hub motor, which involves a detection method for a motor fault. The steps are as follows: determine the type of the motor, and set a voltage test line for the unit motor; Calculate its standard deviation for all its maximum values; test standard motors with known different dynamic eccentricities, and obtain the linear relationship between dynamic eccentricity and standard deviation D=aσ Coefficients in a ,in, D is the dynamic eccentricity, σ is the standard deviation; substituting the standard deviation obtained in step 4 into the linear relational formula can determine whether there is dynamic eccentricity and the degree of dynamic eccentricity of the in-wheel motor to be tested. The present invention is aimed at the wheel hub motor which itself is a unit motor, without any modification, and can detect whether there is dynamic eccentricity and the degree of eccentricity by simply performing a simple and conventional no-load back electromotive force test. The operation process and calculation method of the present invention are very simple, and the test data is accurate.
Owner:HARBIN INST OF TECH AT WEIHAI
A kind of comfortable hemp-like knitted fabric and its preparation process
The invention discloses a comfortable linen-like knitted fabric and a preparation process thereof. The comfortable linen-like knitted fabric is made of acrylic staple yarn, viscose fiber, cotton fiber and slub cotton blended fabric; the comfortable linen-like knitted fabric Among them, by mass percentage, acrylic staple fiber is 15% to 25%, viscose fiber is 25% to 35%, slub cotton is 10% to 20%, and the balance is cotton fiber. The comfortable hemp-like knitted fabric prepared by the present invention selects acrylic staple, viscose fiber, cotton fiber and slub cotton, and enhances its yarn-forming property with acrylic staple through surface modification of viscose fiber. There is better stability and compatibility between the thread and the second yarn, thereby improving the surface smoothness and hand feeling of the linen-like knitted fabric, and the shape is crisp and the texture is excellent.
Owner:石狮耀翔织造有限公司
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