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39results about How to "Realize segment control" patented technology
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Gas adjusting valve and electric control gas adjusting valve used for gas stove and gas stove
ActiveCN103133718ARealize segment controlEasy to controlFuel supply regulationGaseous fuel feeder/distributionEngineeringElectric control
A gas adjusting valve used for a gas stove comprises a valve body and a rotary disc which contacts the plane of the inner cavity surface of the valve body and rotates relative to the inner cavity surface of the valve body, wherein a gas inlet and a gas outlet are formed in the valve body. The valve body matches with the contact face of the rotary disc in a sealed mode. The rotary disc is provided with a connecting passage, and the connecting passage can selectively enable the gas outlet which is formed in the valve body to be connected or disconnected with the inner cavity of the valve body or change a connecting degree. The invention further provides an electric control gas adjusting valve used for the gas stove and the gas stove with the gas adjusting valve or the electric control gas adjusting valve. Due to the technical scheme, the problems that the existing gas stove adopts a plug valve which is inconvenient to manufacture and is high in cost can be avoided.
Owner:BSH ELECTRICAL APPLIANCES JIANGSU
Grid-connected photovoltaic power station reactive power-voltage control method based on power prediction
ActiveCN106877344AAccurate calculationAccurate calculation of control sensitivityAc network voltage adjustmentReactive power compensationPower compensationEngineering
The invention provides a grid-connected photovoltaic power station reactive power-voltage control method based on power prediction. A photovoltaic AVC system is used to coordinate reactive power adjusting equipment in a grid-connected photovoltaic power station so that grid-connected point voltage control is completed. The method comprises the following steps of based on power prediction data, determining a reactive power loss of the grid-connected photovoltaic power station when grid-connected point voltage adjusting is ended; determining a reactive power adjustment total amount of the grid-connected photovoltaic power station; determining reactive power limits of a photovoltaic inverter and a static reactive power compensation device; carrying out switching control of a parallel compensation capacitor group; and carrying out control on the photovoltaic inverter and the static reactive power compensation device. In the invention, photovoltaic power station control sensitivity is accurately calculated and good reactive power-voltage control precision and a good response speed are possessed; and power prediction and photovoltaic power station AVC system are combined so as to realize segmentation control of a photovoltaic power station capacitor group and good balance between reactive power-voltage control and equipment protection.
Owner:STATE GRID CORP OF CHINA +2
Road tunnel construction ventilating structure and ventilation control method thereof
ActiveCN104879157AReduce concentrationIncrease concentrationTunnel/mines ventillationComplex mathematical operationsVentilation controlPower consumption
The invention relates to the field of road tunnel construction and discloses a road tunnel construction ventilating structure and a ventilation control method thereof. The road tunnel construction ventilating structure comprises an intake roadway and a return roadway; the front end of each of the intake roadway and the return roadway is provided with a working face; a front transverse passage is communicated with the front of both the intake roadway and the return roadway; a fan facing the front end of a tunnel is disposed within the intake roadway; another fan opposite to the front end of the tunnel is disposed within the return roadway; at least one middle transverse passage all communicated with the front transverse passage is disposed between the front transverse passage and an opening of the tunnel; the middle transverse passages are connected between the intake roadway and the return roadway; each of the front transverse passage and the middle transverse passage is internally provided with one fan facing the return roadway. The road tunnel construction ventilating structure and the ventilation control method thereof have the advantages that power consumption can be greatly lowered at the premise of keeping the pollutant concentration in a designed range and intake of the transverse passages helps allow segmental control for the pollutant concentration of the return roadway.
Owner:SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST
External sunshading shutter device
InactiveCN102606054AEasy to control the angleRealize full opening angle adjustmentLight protection screensMotor driveFixed frame
An external sunshading shutter device comprises a blade angle fixing frame, shutter blades, a blade opening-closing fixing frame, a blade angle control structure and a blade opening-closing control structure. One end of the blade angle control structure and one end of the blade opening-closing control structure are both fixed to the left end and the right end of each shutter blades. The angle control structure comprises a blade angle control motor, nylon drawing wires and angle control connecting components, and the blade opening-closing control structure comprises a blade opening-closing motor driving rotary shaft, a driven rotary shaft, a variable-section linkage strap and opening-closing control connecting components. The nylon drawing wires are used for tensioning to control blade angles, the blades are reset by means of elasticity of a tensional spring, and closing of the blades one by one from bottom to top is realized by means of the variable-section linkage strap. Angles and opening-closing of the blades are controlled by two motors respectively, three states of full-open, full-closed and upper-closed lower-open of the shutter blades can be realized, the problem of contradiction between sun-shading and lighting is solved, and sun-shading by the upper portion, lighting by the lower portion and energy saving and consumption reduction are realized.
Owner:SOUTHEAST UNIV
Baking-free preparation method of compounding food additive lactic acid powder through extruding and mixing of twin screw extruder
The invention relates to a baking-free preparation method of compounding food additive lactic acid powder (solid lactic acid) through extruding and mixing of a twin screw extruder. The method comprises the following steps of adding calcium lactate solid and lactic acid liquid in a twin screw extruder from different feed openings, under the effect of a screw unit assembly specially designed in theextruder, enabling the calcium lactate solid and lactic acid liquid to be in sufficient contact, mixed and transported forwards, and through working procedures of performing vacuum air extraction, performing dehydration, performing pelleting, performing airing (cooling), performing standing, performing crystallization and rearrangement, performing crushing and sieving, adding an anticaking agent,performing mixing and the like, compounding food additive lactic acid powder (solid lactic acid) products are finally made. According to the lactic acid powder obtained by the method disclosed by theinvention, the content of lactic acid of unit mass is high, much non-lactic acid foreign matter is introduced, the compounding food additive lactic acid powder (solid lactic acid) easily dissolves inwater, lactic acid substances are positioned in a molecule dissociating state, and unique and harmonious flavor of raw material products can be reflected and expressed in the application effect evaluation of goal products.
Owner:湖北壮美生物科技有限公司
Separated computing device based on 6T-SRAM
The invention relates to a separated computing device based on a 6T-SRAM, which comprises a storage and calculation unit array, and is characterized in that the storage and calculation unit array comprises storage and calculation units arranged in a matrix manner; each storage and calculation unit comprises a 6T-SRAM, a transistor M7, a transistor M8 and a capacitor; in each storage and calculation unit, a gate of the transistor M7 is connected with a weight storage point of the 6T-SRAM, a first pole of the transistor M7 is connected with an input signal end, a second pole of the transistor M7 is connected with a first end of the capacitor and a read bit line RBL, a second end of the capacitor is grounded, a gate of the transistor M8 is connected with a control signal end, and both the first pole and the second pole of the transistor M8 are connected with the read bit line RBL; and the read bit lines RBL of the storage and calculation units in each column are connected in a collinear manner. The accuracy of the calculation result is improved.
Owner:中科南京智能技术研究院
Intelligent jet airflow overflow combination machine
ActiveCN111088624AIntelligent operationIncrease productivityTextile treatment containersLiquid/gas/vapor treatment of propelled fabricsReciprocating motionEngineering
The invention belongs to the technical field of printing and dyeing equipment, and discloses an intelligent jet airflow overflow combination machine. The intelligent jet airflow overflow combination machine comprises a combination machine body composed of a plurality of sets of airflow overflow nozzles which achieve high-speed reciprocating motion of fabric between cloth containing cylinders through a high-pressure water pump, the front part of a combination body has a cloth feeding function, and the rear part of the combination body has a cloth discharging function. According to the intelligent jet airflow overflow combination machine, a plurality of sets of U-shaped cloth containing cylinder bodies are connected in series, the fabric is driven to reciprocate through the high-speed large-flow water pump between the cylinder bodies, and the fabric continuously runs from a cloth feeding direction to a cloth discharging direction at the production process speed of 20-100 m / min; the clothcontaining amount of each cloth containing cylinder is about 1200 m (according to the difference of fabric gram amounts), the cloth containing amount of each cloth containing cylinder is detected bya gravity sensor in the production operation process, signals generated by the gravity sensor are processed by a PLC, the flow speed and the flow direction of water are controlled by controlling the pump and a valve, the equipment operates intelligently, and the production efficiency is greatly improved.
Owner:江苏赛格纺织机械有限公司
Method for monitoring continuous bridge construction with simply-supported structure
InactiveCN109680613ARealize segment controlRealize construction monitoringBridge erection/assemblyControl dataMonitoring and control
The invention relates to a method for monitoring continuous bridge construction with a simply-supported structure, and belongs to the field of civil engineering. The method comprises the following steps: S1, establishing an expert database; S2, establishing a whole construction phase growing BIM bridge structure model; S3, collecting and processing geometric data of a first construction phase completed bridge after the work condition of the first construction phase is completed so as to form an actually measured three-dimensional image of the phase; S4, performing deviation comparison on the actually measured three-dimensional image and the BIM bridge module to obtain a deviation control value; S5, inputting the deviation control value to the expert database, and feeding back constructioncontrol data; S6, completing next construction phase according to guidance of construction control data, and upgrading the expert database; and S7, automatically collecting real-time three-dimensionalimage of the bridge once again, and comparing with the whole construction phase growing BIM bridge structure model to form circulation. The method realizes visualized monitoring and controlling basedon the construction process.
Owner:SOUTHWEST COMM CONSTR GRP +2
A multi-stage electric heating tube and a manufacturing method thereof
PendingCN108990188ARealize segment controlImprove heating efficiencyOhmic-resistance heating detailsHeating element shapesEngineeringGuide tube
The invention discloses a multi-stage electric heating tube, comprising a flow guiding tube and a heating layer, wherein the heating layer wraps the flow guiding tube, the heating layer is composed oftwo sections of heating elements, two ends of the heating elements are fixed by conductive coils, and a manufacturing method of the multi-stage electric heating tube is also disclosed. The multi-stage electric heating tube can be configured with different power segments according to the heating demand to realize the segmented control of a heating tube, and different power can be selected for heating according to different temperatures, so as to improve the heating efficiency.
Owner:宁波市扬天磁能科技有限公司
Vehicle door obstacle early warning method and device, equipment, and storage medium
ActiveCN112576134ASolve misjudgmentHigh precisionPower-operated mechanismPower supplyPulse controlCurrent threshold
The invention discloses a vehicle door obstacle early warning method and device, equipment, and a storage medium. The method includes the steps of obtaining a three-phase Hall pulse signal outputted by a Hall element on a stator winding of a vehicle door drive motor and a Hall pulse count value corresponding to the three-phase Hall pulse signal in the opening / closing process of a vehicle door; setting a current threshold value in a current control mode and a time threshold value in a Hall pulse control mode according to the Hall pulse count value; and executing the current control mode and theHall pulse control mode so as to detect a vehicle door obstacle and output a vehicle door anti-pinch early warning signal. According to the vehicle door obstacle early warning method and device, theequipment, and the storage medium, the current threshold value and the time threshold value are set through the Hall pulse count value, so that segmented control over the opening / closing process of the vehicle door is achieved, and the misjudgment problem caused by the sudden change of the resistance of the vehicle door on a curve part is solved; and by combining double mechanisms of current detection and Hall pulse detection, the precision of obstacle detection is effectively improved, and the real-time performance and the sensitivity are relatively high.
Owner:BYD CO LTD
Dragging torque control method and system
ActiveCN113464339AAchieve a smooth startAvoid jitterHybrid vehiclesEngine controllersDrag torqueControl theory
The invention discloses a dragging torque control method and system. The method comprises the steps that in a starting process of an engine, the change rates of different dragging torques in all intervals are controlled according to the different engine rotating speed intervals, thus the dragging torques of a generator to the engine are reduced along with rising of the rotating speed of the engine, smooth starting of the engine is achieved, jitter and noise caused by large rotating speed change in the starting process are avoided, meanwhile, the abrasion risk of a bearing bush of the engine is considered, the maintaining time of the engine at the low rotating speeds is prolonged, dragging torque segmented control is achieved, the NVH performance of an electric automobile is improved, and the dragging torque control method and system have important significance to prolonging of the service life of the engine.
Owner:DONGFENG MOTOR GRP
Heating assembly and aerosol forming device
PendingCN114158788ARealize segment controlImprove user experienceTobaccoEngineeringMechanical engineering
The invention discloses a heating assembly and an aerosol forming device. The heating assembly comprises a heating body and at least two electromagnetic parts. The heating body is used for inducing a magnetic field to generate heat and heat the aerosol generating substrate; the heating body comprises at least two sub-heating bodies and connecting parts for connecting the adjacent sub-heating bodies; each sub-heating body is provided with an accommodating cavity used for accommodating one section of an aerosol generating substrate; the at least two electromagnetic parts are arranged corresponding to the at least two sub-heating bodies and are used for providing the magnetic field. By means of the arrangement, segmented control over the temperature of the heating body is achieved, and then the use experience feeling of a user is improved.
Owner:SHENZHEN MERIT TECH CO LTD
Segmented processing method for torque of starting condition
ActiveCN111559375AAchieve smooth transition of torquePrevent vehicle movementAutomotive engineeringPowertrain
The invention relates to the technical field of automobile control, and particularly relates to a segmented processing method for the torque of a starting condition. The starting stage of a vehicle isdivided into a front section and a rear section, wherein the front section and the rear section are respectively controlled by adopting different torque rising rates; when the vehicle is a manual gear vehicle, the torque rising rate of the front section is less than that of the rear section; when the vehicle is an automatic transmission vehicle, the torque rising rate of the front section is greater than that of the rear section. In the starting stage, different torque rising rates are adopted to achieve segmented control, so that power of different power assemblies can be guaranteed under the starting working condition, meanwhile, smooth transition of torque can be achieved, and vehicle shifting is prevented.
Owner:DONGFENG MOTOR CORP HUBEI
Mechanical vibration treatment equipment for marine aquaculture sewage treatment
ActiveCN114105251BReduce segment controlRealize segment controlWater/sewage treatment with mechanical oscillationsMoving filtering element filtersMarine aquacultureAgricultural science
The invention provides mechanical vibration treatment equipment for marine aquaculture sewage treatment, which relates to the technical field of sewage treatment, comprising: a U-shaped shell, the top of the U-shaped shell is connected, and a partition is fixedly arranged on the inner side of the top of the U-shaped shell. The position rotation between the plate and the U-shaped shell is provided with a transmission shaft, a driven shaft A and a driven shaft B, and the transmission shaft is located in the middle of the driven shaft A and the driven shaft B, and the transmission shaft according to various embodiments of the present invention , The driven shaft A and the driven shaft B provide an intermittent transmission effect, the transmission gear is a quarter gear, and the number of teeth on the tooth surface of the transmission gear is half of the driven gear A and driven gear B, which can constitute a mechanical The differentiated structure replaces the original electrical device control, and realizes automatic segmental control by using the accuracy reduction of mechanical transmission, and can avoid errors, which solves the problem that the control cost of existing sewage treatment equipment is relatively high and cannot be guaranteed Intermittent operation does not present the problem of time error.
Owner:日照市海洋与渔业研究院(日照市海域使用动态监视监测中心日照市水生野生动物救护站)
Clean vanadium extraction method and system for vanadium-containing material
InactiveCN113528861ARealize segment controlAvoid problems such as difficult temperature control and material wall formationProcess efficiency improvementVanadium atomRoasting
The invention relates to the technical field of chemical production, in particular to a clean vanadium extraction method and system for a vanadium-containing material. According to the method, the vanadium-containing material subjected to blank roasting, ammonia water and ammonium salt are uniformly mixed according to a certain proportion and then are granulated, and ammoniation-deamination reaction is carried out step by step, so that the technical problems that in the ammoniation-deamination process, a reaction system generates a large amount of gas due to mechanical stirring and difficult reaction temperature control, normal operation of equipment is influenced, and the working environment is polluted are solved; the problem of material wall attachment caused by local overheating in the ammoniation-deamination process can be avoided, ammonia gas generated in the deamination reaction can be collected and recycled for preparation of vanadium extraction auxiliary materials, namely ammonia water and ammonium salt, the whole vanadium extraction process can be carried out under normal pressure and is clean, efficient, simple and easy to control, and the vanadium extraction efficiency can be improved while the production cost is reduced.
Owner:承德钒钛新材料有限公司 +2
Multi-cavity vacuum suction tool device
PendingCN114655699AImprove stabilityGuaranteed stabilityPackagingConveyor partsInternal cavityEngineering
The invention discloses a multi-cavity vacuum suction tool device, and aims to provide a multi-cavity vacuum suction tool device which is controlled in a segmented manner, saves resources and can still carry objects with special shapes and sizes. Comprising a mounting shell and a top cover, the top cover is communicated with the series connection pipe, the mounting shell is provided with an inner cavity, a mounting plate is arranged in the middle of the bottom face of the inner cavity, and a telescopic covering device is arranged below the mounting plate. A plurality of evenly-distributed mounting holes are formed in the bottom face of the inner cavity, sucker assemblies are elastically connected into the mounting holes, connecting holes are formed in the inner side walls of the mounting holes, one ends of the connecting holes are communicated with the inner cavity, and the other ends of the connecting holes correspond to the sucker assemblies. The method has the beneficial effects that subsection control is realized; objects of different sizes and different shapes can be sucked and carried. And the sucking and carrying stability is ensured.
Owner:诺森(浙江)真空科技有限公司
Vehicle-mounted emergency rescue lighting device and control method thereof
ActiveCN104676264BRealize synchronous pitching actionAchieve separate pitchLighting support devicesPortable electric lightingOn boardEmergency rescue
The invention discloses a vehicle-mounted emergency rescue lighting device and a control method thereof. The lighting device includes a control system, a lifting mechanism, a rotating and pitching assembly and at least two lighting lamps. The lifting mechanism includes a lead screw and a sleeve threaded therewith Tube, the rotating and pitching assembly includes a plurality of pitching motors connected to the lighting lamps through the pitching shaft, and a rotating motor connected to the left and right rotating shafts, and the pitching shaft and the left and right rotating shafts are respectively provided with multi-level limit assemblies. The device has powerful functions and strong adaptability. It can not only meet the needs of the same direction of irradiation, but also meet the needs of different directions of irradiation. The lifting action is more stable and reliable, and it has a self-locking function. The large-angle rotation and positioning ensure the demand for large-angle rotating lighting in the emergency rescue process, which is convenient for emergency operations; the control method uses the limit sensor of the lifting mechanism to ensure the safe operation of the device and realizes automatic reset.
Owner:河南宜和城保装备科技实业有限公司
Method and process system for preparing gasoline and diesel oil by co-hydrogenating coal tar and biomass oil
ActiveCN112029532AHigh content of heavy componentsHigh viscosityTreatment with hydrotreatment processesHydrocarbon oils treatment productsOil and greaseHydrodeoxygenation
The invention discloses a method and a process system for preparing gasoline and diesel oil by mixing and hydrogenating coal tar and biomass oil, and belongs to the technical field of petrochemical engineering energy. The method comprises the steps of carrying out catalytic hydrogenation on coal tar to obtain a coal tar system subjected to hydrogenation pretreatment, mixing the coal tar system subjected to hydrogenation pretreatment with biomass oil to obtain a mixed oil system, continuously carrying out catalytic hydrogenation on the mixed oil system, and carrying out rectification treatmentto obtain a gasoline and diesel oil product, wherein the coal tar system subjected to hydrogenation pretreatment is subjected to catalytic hydrogenation to form a hydrogen-donating solvent, and hydrogen free radicals are utilized to perform hydrodeoxygenation on the biomass oil. The system disclosed by the invention is provided with a plurality of staged reactors, so that the staged catalytic hydrogenation reaction is realized, and the coal tar is subjected to hydrogenation pretreatment and then is mixed with the biomass oil for catalytic hydrogenation. Compared with a single raw material hydrogenation technology, the hydrogenation speed is high, the coking influence is small, and the raw material adaptability is also improved.
Owner:XI'AN PETROLEUM UNIVERSITY
A kind of convection heat transfer sheet smoke re-baking method
The invention provides a convective heat transfer flue-cured tobacco lamina re-curing method and device. The device comprises a rotary cylinder, a feeding device, a discharging device, a bidirectional airlock, a heat exchanger, a moisture discharging fan, a circulating fan and the like. A plurality of longitudinal heating plates are arranged on the inner wall of the rotary cylinder, a hollow shaft-shaped pipeline is arranged at the center of the cylinder and is divided into a front segment and a rear segment, and a plurality of high-temperature jet holes are formed in an outer pipe wall. After threshing and pneumatic separation processes, flue-cured tobacco lamina are fed into the rotary cylinder for processing, the moisture content of the flue-cured tobacco lamina is rapidly reduced, the moisture content of the processed flue-cured tobacco lamina is up to 12-13%, and the tobacco lamina directly undergoes a next packaging process. The raw material processing quality is improved, the device and the process are simplified, and energy consumption can be effectively reduced.
Owner:CHINA TOBACCO YUNNAN IND
A separate computing device based on 6t-sram
The present invention relates to a separate computing device based on 6T-SRAM, comprising an array of storage and calculation units, the array of storage and calculation units includes storage and calculation units arranged in a matrix; the storage and calculation units include 6T-SRAM, a tube M7, a tube M8 and capacitors; in each storage unit, the gate of the tube M7 is connected to the weight storage point of the 6T-SRAM, the first pole of the tube M7 is connected to the input signal terminal, and the second pole of the tube M7 is connected to the first terminal of the capacitor and the read bit Line RBL, the second terminal of the capacitor is grounded, the gate of the tube M8 is connected to the control signal terminal, the first pole and the second pole of the tube M8 are connected to the read bit line RBL; the read bit lines RBL of the storage and calculation units of each column are connected in line . The invention improves the accuracy of calculation results.
Owner:中科南京智能技术研究院
Control method of multi-split system outdoor fan and related equipment
ActiveCN109210674ARealize segment controlHigh control precisionMechanical apparatusEfficient regulation technologiesTemperature controlTwo temperature
The invention relates to a control method of a multi-split system outdoor fan and related equipment. The method comprises the steps of obtaining running information of a multi-split system; accordingto the running information, calculating system actual running high pressure value; according to the system actual running high pressure value, determining a corresponding system running saturation temperature value; according to the system running saturation temperature value, and a preset temperature control interval, determining the temperature control intervals where the system target running saturation temperature is located, wherein at least two temperature control intervals are arranged; and controlling the rotating speed of the outdoor fan so as to determine the temperature control intervals, where the system target running saturation temperature is located, of the system actual running saturation temperature. Through the method or related equipment, the outdoor fan can be preciselycontrolled, and the multi-split system efficacy can be improved.
Owner:GREE ELECTRIC APPLIANCES INC
A reactive power-voltage control method for grid-connected photovoltaic power plants based on power prediction
ActiveCN106877344BAccurate calculationAccurate calculation of control sensitivityAc network voltage adjustmentReactive power compensationPower compensationControl engineering
The invention provides a grid-connected photovoltaic power station reactive power-voltage control method based on power prediction. A photovoltaic AVC system is used to coordinate reactive power adjusting equipment in a grid-connected photovoltaic power station so that grid-connected point voltage control is completed. The method comprises the following steps of based on power prediction data, determining a reactive power loss of the grid-connected photovoltaic power station when grid-connected point voltage adjusting is ended; determining a reactive power adjustment total amount of the grid-connected photovoltaic power station; determining reactive power limits of a photovoltaic inverter and a static reactive power compensation device; carrying out switching control of a parallel compensation capacitor group; and carrying out control on the photovoltaic inverter and the static reactive power compensation device. In the invention, photovoltaic power station control sensitivity is accurately calculated and good reactive power-voltage control precision and a good response speed are possessed; and power prediction and photovoltaic power station AVC system are combined so as to realize segmentation control of a photovoltaic power station capacitor group and good balance between reactive power-voltage control and equipment protection.
Owner:STATE GRID CORP OF CHINA +2
Back coating roller, roller processing method and cigarette pack processing technology capable of controlling back coating in segmented mode
The invention discloses a back coating roller for segmented control back coating, which comprises a back coating roller body, ink cells are distributed on the outer circumferential surface of the back coating roller body, the back coating roller body is divided into a plurality of segments along the axial direction, the ink cells on the same segment of the back coating roller body have the same depth, and the ink cells on the adjacent segments of the back coating roller body have different depths. The invention further provides a processing method of the back coating roller for segmented control back coating, the processing method comprises the steps of collecting samples, measuring partitions, manufacturing cigarette pack partition manuscripts, manufacturing back coating roller segmented manuscripts, processing the back coating roller and the like, and the invention further provides a cigarette pack product processing technology for segmented control back coating. According to the back coating roller, the roller processing method and the cigarette pack processing technology for controlling back coating in a segmented mode, the scheme design is reasonable, the water absorption of the local area of a cigarette pack product is adjusted by controlling the amount of the back coating liquid in a segmented mode, then the flatness of the cigarette pack product can be well improved, and the quality of the cigarette pack product can be effectively improved.
Owner:WENZHOU LIKEDA PRINTING
Construction Ventilation Structure and Ventilation Volume Control Method of Highway Tunnel
ActiveCN104879157BReduce concentrationIncrease concentrationTunnel/mines ventillationComplex mathematical operationsVentilation controlTunnel construction
Owner:SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST
Control method and related equipment of outdoor fan in multi-connected system
ActiveCN109210674BRealize segment controlHigh control precisionMechanical apparatusEfficient regulation technologiesTemperature controlTwo temperature
The invention relates to a control method of a multi-split system outdoor fan and related equipment. The method comprises the steps of obtaining running information of a multi-split system; accordingto the running information, calculating system actual running high pressure value; according to the system actual running high pressure value, determining a corresponding system running saturation temperature value; according to the system running saturation temperature value, and a preset temperature control interval, determining the temperature control intervals where the system target running saturation temperature is located, wherein at least two temperature control intervals are arranged; and controlling the rotating speed of the outdoor fan so as to determine the temperature control intervals, where the system target running saturation temperature is located, of the system actual running saturation temperature. Through the method or related equipment, the outdoor fan can be preciselycontrolled, and the multi-split system efficacy can be improved.
Owner:GREE ELECTRIC APPLIANCES INC
A temperature-controllable pressure-controlled oil-gas-water-solid multiphase pipeline simulation experiment device
ActiveCN110361160BRealize free combinationRealize switchingHydrodynamic testingChemical/physical/physico-chemical stationary reactorsWater bathsTemperature control
The invention provides a temperature-controllable pressure-controllable oil-gas-water-solid multi-phase pipeline simulation device, which is composed of a vacuum pump, a valve, a vacuum gauge, a pressure gauge, a gas flow meter, a vacuum buffer tank, a natural gas compressor, and a visible rotating pipeline , temperature sensor, visual window, gas mass flow controller, reaction kettle, liquid filling pump, liquid storage tank, standpipe, liquid flow meter, gas cylinder, circulation pump, balance, low temperature box, temperature control water bath; the device is divided into It is a gas, liquid, and solid phase supply system, temperature control and heat preservation system, pressure control system, purge and vacuum system, and pipeline flow system. The device can simulate the multiphase flow of oil, gas, water and solid multiphase fluids and gas and liquid single-phase fluids in horizontal, vertical and inclined pipes under certain pressure and temperature conditions. It has simple structure, wide application range and easy operation. The advantage of convenience.
Owner:SOUTHWEST PETROLEUM UNIV
Plane reciprocating fruit and vegetable dryer
ActiveCN104172445BUniform qualityConsistent chromaDrying machines with progressive movementsFood treatmentColor intensityPulp and paper industry
The invention relates to a plane reciprocating fruit and vegetable drying machine, which comprises a hot air furnace, a heat exchanger, an air distributing device, a support frame and drying sections and is characterized in that an air outlet of the hot air furnace is connected with the heat exchanger, the heat exchanger is connected with the air distributing device, the air distributing device is connected with at least two serially connected drying sections, and the bottom surfaces of the drying sections are supported by support frames with different heights and are in step-shaped arrangement. The drying machine provided by the invention has the advantages that a plane reciprocating tunnel drying method is adopted, the mass continuous production requirements of large-scale processing factories can be met, meanwhile, the automation degree is high, and the labor is saved; in the fruit and vegetable drying process, the turning can be carried out when fruits and vegetables fall to the next drying section, the manual turning drying is simulated, and the uniform quality and uniform color intensity of the dried fruits and vegetables can be powerfully guaranteed; meanwhile, a plurality of drying sections can be connected in series to be used by users, and the requirements of different drying degrees can be met.
Owner:JILIN UNIV +1
A multi-stage water cooling device for electronic devices
ActiveCN103402345BEasy maintenance and operationRealize segment controlCooling/ventilation/heating modificationsEngineeringWater cooling
The invention provides a multi-stage water-cooling device of an electronic device. The water-cooling device comprises a main pipeline, branch valves, branch pipelines and branch water cooler, wherein the main pipeline is connected with the branch pipelines through the branch valves, so as to realize that cooling fluid is conveyed to the branch pipelines for cooling; the branch valves are connected with the main pipeline and the branch pipelines and used for controlling the on / off of the main pipeline and the branch pipelines; the branch pipelines are connected with the branch valves and the branch cooler and used for conveying the heat of the water cooler into the main pipeline for cooling through the cooling fluid; the branch water coolers are connected with the branch pipelines and used for conducting the heat of the electronic devices into the cooling fluid. Due to the adoption of the water cooling device, segmentation control for the branch water cooling of the electronic device system and the water cooling system is realized, so as to bring convenience in maintaining and operating the pipelines.
Owner:CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
Solar non-pressure-bearing temperature-saturation preventing control system
InactiveCN103175316APrevent freezingRealize segment controlSolar heating energySolar heat devicesWater pipeElectricity
The invention discloses a solar non-pressure-bearing temperature-saturation preventing control system. The control system comprises a heat collecting device and a water storing box, wherein a water inlet pipe and a water outlet pipe are arranged between the water storing box and the heat collecting device, and the water storing box is communicated with a water feeding pipe; the control system is characterized in that the heat collecting device is internally provided with a temperature sensor, the water inlet pipe is provided with a water pump and an electromagnetic valve A, the water outlet pipe is provided with an electromagnetic valve B, and the water pump, the electromagnetic valve A and the electromagnetic valve B are electrically connected with a control device; and as an improvement, the control device comprises a circuit board which is provided with a plurality of controlling groups, the controlling groups are connected with a power supply, the circuit board is electrically connected with a transformer through a relay, and the transformer is electrically connected with the temperature sensor, the water pump, the electromagnetic valve A and the electromagnetic valve B. The solar non-pressure-bearing temperature-saturation preventing control system provided by the invention can realize the subdivision control of the temperature, in addition, the circuit board is also provided with an antifreezing module and a low temperature circulating module which avoids freezing, and the antifreezing module realizes the individual control of electrical heating.
Owner:王相杰
Mechanical vibration type treatment equipment for treating marine aquaculture sewage
ActiveCN114105251AReduce segment controlRealize segment controlWater/sewage treatment with mechanical oscillationsMoving filtering element filtersFisherySewage treatment
The invention provides mechanical vibration type treatment equipment for marine aquaculture sewage treatment, and relates to the technical field of sewage treatment.The mechanical vibration type treatment equipment comprises a U-shaped shell, the top of the U-shaped shell is connected, a partition plate is fixedly arranged on the inner side of the top of the U-shaped shell, and a transmission shaft, a driven shaft A and a driven shaft B are rotationally arranged between the partition plate and the U-shaped shell; the transmission shaft is located between the driven shaft A and the driven shaft B. According to the transmission shaft, the driven shaft A and the driven shaft B, the intermittent transmission effect is provided, the transmission gear is a quarter gear, the tooth surface tooth number of the transmission gear is half of the tooth surface tooth number of the driven gear A and the driven gear B, and a mechanical differentiation structure can be formed; compared with the prior art, original electric device control is replaced, automatic subsection control is achieved by means of accuracy reduction of mechanical transmission, errors can be avoided, and the problems that existing sewage treatment equipment is high in control cost, and it cannot be guaranteed that time errors do not occur in intermittent operation are solved.
Owner:日照市海洋与渔业研究院(日照市海域使用动态监视监测中心日照市水生野生动物救护站)
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