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449results about How to "High energy consumption" patented technology

Air conditioner control method and air conditioner

The invention discloses an air conditioner control method. The air conditioner control method comprises the steps that a running mode is set; an air conditioner runs for a first running period and then is stopped; whether an indoor fan works at the high air gear or not is judged; if yes, the outdoor environment temperature interval is judged, and a compressor is controlled to run by taking first limiting frequency corresponding to the outdoor environment temperature interval as target frequency; if the indoor fan works at the middle air gear or the low air gear, whether the real-time outdoor environment temperature exceeds an outdoor environment temperature threshold value corresponding to the air conditioner running mode or not is judged; if yes, the outdoor environment temperature interval is judged, and the compressor is controlled to run at the first limiting frequency corresponding to the outdoor environment temperature interval; and if not, the outdoor environment temperature interval is judged, the current air speed weight is called, and the compressor is controlled to run by taking second limiting frequency as the target frequency. Meanwhile, the invention further disclosesan air conditioner. According to the air conditioner control method and the air conditioner, energy consumption of the compressor is intelligently optimized, and the balance among the human body comfort, the compressor energy consumption and the outdoor environment temperature is achieved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Remote operation and maintenance system for textile machine, and implementation method for remote operation and maintenance system

PendingCN109246223AResume normal productionRealize remote diagnosisClosed circuit television systemsTransmissionStatistical analysisThe Internet
The invention discloses a remote operation and maintenance system for a textile machine, and an implementation method for the remote operation and maintenance system. The system comprises a textile machine IOT (Internet of Things) sensing system, a data transmission system, a cloud platform system and an operating system. The textile machine IOT sensing system comprises a textile machine device, aPLC controller, an industrial Internet intelligent transmission terminal connected with the PLC controller, a web camera installed on the textile machine device, a detection sensing device installedin textile machine device and a field actuator. The system achieves the real-time condition monitoring service, operation statistical analysis service, fault/abnormal condition alarm service, device failure rate distributed analysis service, online fault diagnosis service, remote maintenance and real-time video surveillance service of the textile machine device. The system realizes remote diagnosis and maintenance of the textile machine through taking the textile machine IOT sensing system and industrial cloud platform as the basis, centralizes and integrates the original piecemeal management,and promotes the whole life cycle management of equipment.
Owner:HAINING TEXTILE MACHINERY FACTORY

Thermoplastic resin physical foaming material preparation device and preparation method thereof

The invention discloses a thermoplastic resin physical foaming material preparation device and preparation method thereof and is characterized in that the device comprises a hot pressing (1), a high pressure container (2) and a gas pressurization system (10); wherein, the high pressure container is arranged between an upper press plate and a lower press plate of the hot pressing, one end of the high pressure container is provided with a gas inlet (4) and connected with the gas pressurization system and a gas tank (11) through a gas control valve (8), the other end of the high pressure container is provided with a gas outlet (3) and connected with a depressurization control valve (9), the high pressure container is a mould which is combined by an upper mould plate and a lower plate mould and a sealing ring is arranged between the two mould plates. The preparation method comprises the following steps: placing the thermoplastic resin in a high pressure container of which the volume is 25 times or more than 25 times of the total volume of the particles, injecting 5-30MPa of gas at 110-170 DEG C, keeping the temperature and the pressure for 2-60min and then relieving the pressure in a speed of 5-20MPa/s to the normal pressure to obtain the thermoplastic resin foaming material.
Owner:浙江博发新材料股份有限公司

Air conditioning energy saving method based on genetic algorithm and long and short term memory circulatory neural network

The invention provides an air conditioning energy saving method based on a genetic algorithm and a long and short term memory circulatory neural network. The air conditioning energy saving method comprises the following steps that step1, an air conditioning energy consumption prediction and evaluation model is established; step2, optimization parameters are confirmed; step3, coding is performed onthe cooling water supply temperature and the cooling supply and return water temperature difference utilizing the genetic algorithm, and according to the coding, within a certain range, the cooling water supply temperature and the cooling supply and return water temperature difference are generated stochasticly to obtain an initial population composed of a plurality of chromosomes; step4, other parameters of the current working condition and chromosome parameters are decoded and input into an LSTM-RNN air conditioning prediction and evaluation model, chromosome evaluation is performed, a fitness function is calculated and crossover and mutation are performed on the better chromosomes, and the obtained optimal chromosomes are decoded as the optimal parameters; and step5, the optimal parameters are input into the prediction and evaluation model in combination with the other parameters under the current working condition to obtain optimized air conditioning power consumption. By means ofthe air conditioning energy saving method based on the genetic algorithm and the long and short term memory circulatory neural network, the prediction and evaluation accuracy rate is increased, and the good energy consumption optimizing effect is achieved.
Owner:ZHEJIANG UNIV OF TECH

Convolutional neural network acceleration engine, convolutional neural network acceleration system and method

The invention discloses a convolutional neural network acceleration engine, a convolutional neural network acceleration system and a convolutional neural network acceleration method, and belongs to the field of heterogeneous computing acceleration, wherein the physical PE matrix comprises a plurality of physical PE units, and the physical PE units are used for executing row convolution operation and related partial sum accumulation operation; the XY interconnection bus is used for transmitting the input feature image data, the output feature image data and the convolution kernel parameters from the global cache to the physical PE matrix, or transmitting an operation result generated by the physical PE matrix to the global cache; the adjacent interconnection bus is used for transmitting anintermediate result between the same column of physical PE units; the system comprises a 3D-Memory, and a convolutional neural network acceleration engine is integrated in a memory controller of eachVault unit and used for completing a subset of a convolutional neural network calculation task; the method is optimized layer by layer on the basis of the system. According to the invention, the performance and energy consumption of the convolutional neural network can be improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Cryogenic separation system for separating mixed gas

The invention discloses a cryogenic separation system for separating a mixed gas. The system mainly comprises two parts, that is, a molecular sieve purification unit and a cold box of a cryogenic separation device, wherein the mixed gas at least containing carbon monoxide, hydrogen, methane and a small amount of nitrogen communicates with an inlet pipeline of the molecular sieve purification unit, the molecular sieve purification unit sequentially communicates with a first main heat exchanger, a tower bottom reboiler of a stripping tower, a tower bottom reboiler of a demethanizing tower, and a second main heat exchanger in the cold box of the cryogenic separation device through a first pipeline and then is connected to a middle inlet of a hydrogen separation tank after impurities easy to condense at a low temperature, of carbon dioxide, methyl alcohol and water, are removed, and three hydrogen-enriched gas pipelines are connected out from the top of the hydrogen separation tank and communicate with an external hydrogen-enriched gas collection system after a hydrogen-enriched gas is reheated by the two main heat exchangers to recover a cold quantity; and two liquid pipelines are connected out from the bottom of the hydrogen separation tank, one liquid pipeline communicates with a middle inlet pipeline of the stripping tower through a first throttle valve and the second main heat exchanger, and the other liquid pipeline communicates with an upper inlet pipeline of the stripping tower through a second throttle valve.
Owner:HANGZHOU HANGYANG

Foamed micropore layer of artificial leather for lining of PE shoes and method for preparing artificial leather by using same

The invention discloses a foamed micropore layer of artificial leather for lining of PE shoes and a method for preparing artificial leather by using the same. The components of the foamed micropore layer comprise polyethylene, ethylene-vinyl acetate copolymer, styrene-butadiene copolymer, active calcium carbonate, azodicarbonamide, zinc oxide, white pigment, dicumyl peroxide and antioxidant. The preparation method comprises the following steps of: adding the prepared raw materials to a high-speed mixer and mixing the raw materials; conveying the mixed material to a hopper of an extruder and plasticizing the material; conveying the plasticized material to a four-roller calendar and rolling the material into a thin film; laminating the thin film on a fabric foundation in a rolling manner and trimming the thin film; winding the thin film by a winding machine to form the semi-finished product, conveying the semi-finished product to an oven and carrying out the cross-linking foaming on the semi-finished product; taking the foamed product out of the oven, embossing the foamed product on an embossing roller, cooling the foamed product and pressing down the embossing roller to obtain the artificial leather for the lining of PE shoes. By adopting the technical scheme of the invention, the artificial leather for the lining of PE shoes has the advantages of high arc stiffness, good cold resistance, high foaming ratio, vulcanization resistance and the like, and has low labor intensity, low energy consumption and short treatment period.
Owner:袁飞

Semi-driving type variable stiffness dynamic vibration absorber made from conical springs

The invention provides a semi-driving type variable stiffness dynamic vibration absorber made from conical springs, belonging to the technical field of vibration control. The semi-driving type variable stiffness dynamic vibration absorber comprises two mass blocks, a high-stiffness plate, two small-stiffness plates, two conical springs, a threaded rod, a stepping motor and a real-time monitoring and controlling system. The weights of the two mass blocks are the same, the two mass blocks are respectively arranged at two ends of the upper surface of the high-stiffness plate with a center hole, one large-diameter ends of the conical springs are respectively fixed at the upper surface and the lower surface of the high-stiffness plate, one small-diameter ends of the conical springs are respectively fixed on the two small-stiffness plates, one small-stiffness plate is fixedly arranged in a main structure, the threaded rod penetrates through the circular hole of the high-stiffness plate, two ends of the threaded rod are respectively in threaded connection with the small-stiffness plates, the directions of screw threads are opposite to one another, the top end of the thread rod is connected with an output end of the stepping motor, and the output end of the stepping motor is electrically connected with the real-time monitoring and controlling system. According to the semi-driving type variable stiffness dynamic vibration absorber, the semi-driving type control is easy to realize, the stiffness can be continuously adjusted, the semi-driving type variable stiffness dynamic vibration absorber is good in vibration absorbing effect, large in vibration absorbing range, quick in response, high in precision, and small in energy consumption.
Owner:SHANGHAI JIAO TONG UNIV

Preparation method of paper-surface gypsum board

InactiveCN104973882AImprove bonding qualityAchieve self-consumptionCeramicwareSlurryToxic industrial waste
The invention discloses a preparation method of a paper-surface gypsum board. The method comprises the following steps: after being metered, gypsum clinker and PGCS are fully mixed, and then the mixture enters a mixer; paper pulp, mixing cement and foam respectively enter the mixer; the above dry and wet materials are fully stirred in the mixer to prepare uniform slurry, the slurry is continuously poured between two layers of covering paper, and a wet gypsum board is prepared by extrusion molding; and the wet gypsum board undergoes solidification, cutting, drying, final trimming, edge banding, stacking and packaging so as to prepare the paper-surface gypsum board finished product. According to the invention, bonding quality and strength of the board are enhanced; raw materials can be saved, energy consumption is reduced, and production cost is decreased; and dependence of bonding quality of the covering paper on operation and drying system is reduced. The scheme of drying the paper-surface gypsum board by the use of waste heat from a power plant or a steel mill is feasible. Energy conservation and emission reduction as well as automatic disposal of industrial waste residues are realized. In addition, the aggregate resources conservation purpose of ''low energy, low pollution and high return'' is achieved.
Owner:BEIJING NEW BUILDING MATERIALS PLC

Super capacitor device containing millet-husk-based porous active carbon material

InactiveCN106276888ALow ashLow wettability of the surfaceHybrid capacitor electrodesMicrowave methodFiltration
The invention discloses a super capacitor device containing a millet-husk-based porous active carbon material. The millet-husk-based porous active carbon material is prepared by uniformly mixing dried millet husks and an activator, performing carbonization and activation with a microwave device in the protection of an inert gas, adding distilled water to obtained black powder for suction filtration washing till the pH value is 6.4-7, and performing drying to obtain black powder. The black powder is the prepared millet-husk-based porous active carbon material. The millet-husk-based porous active carbon material (an active substance) prepared through the microwave method is mixed with a binder according to a certain mass ratio, distilled water is added for mixing to prepare a thick liquid, and the thick liquid is repeatedly rolled to obtain a sheet electrode material. The electrode material is put on a current collector with the corresponding size, cold pressing is carried out at 1-40 Mpa for 10-200 s, and drying is performed at 120 DEG C to obtain an electrode plate of the super capacitor device. The electrode material in the electrode plate is more than 14 mg per square centimeter. An electrode plate, a membrane, and an electrode plate are assembled into a sandwich structure, then different electrolytes are dropwise added, so that the super capacitor device is assembled.
Owner:YANGZHOU UNIV

Energy-saving optimization control system and method for end equipment of central air conditioning system

The invention provides an energy-saving optimization control system and method for end equipment of a central air conditioning system. The method comprises the steps that the set room temperature andthe set temperature difference between supply water and return water of chilled water are input into an operation panel; the temperature of an air conditioned room, the supply water temperature and the return water temperature of the chilled water are detected in real time by all sensors, the signal of the temperature of the air conditioned room is output to a fan controller, and the signals of the supply water temperature and the return water temperature of the chilled water are output to a water valve controller; and the temperature deviation of the room and the temperature difference deviation of the supply water and the return water of the chilled water are calculated; and the temperature deviation of the room or the temperature difference deviation of the supply water and the return water of the chilled water are judged, and the rotating speed of a fan or the opening degree of a water valve is controlled according to the judgment result. According to the method, the return air temperature, the supply water temperature and the return water temperature are continuously acquired, after PID algorithm operational treatment, the air speed of an air blower and the opening degree of asurface cooler chilled water adjusting valve are adjusted, the indoor temperature and the temperature difference between the supply water and the return water of the chilled water can be stabilized at set values, and therefore the comfort of the system can be improved.
Owner:GUANGZHOU UNIVERSITY
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