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

A method and mechanism for adjusting/controlling the pitch of at least one blade of a wind turbine relative to a wind direction parallel to a longitudinal main shaft of the wind turbine use a mechanism with a motor for rotating drive wheels in the angle gear around a longitudinal blade shaft via drive wheels of an angle gear. The method and mechanism can stop the complete turning of a main shaft of a wind turbine having a motor to rotate a drive pinion in an angle gear via a drive wheel, the angle gear being meant to pitch at least one blade around a longitudinal axis.

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.

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.

The present invention relates to a mobile water purification system employing crossflow filtration, such as reverse osmosis filtration. One embodiment of the invention discloses a mobile water purification system comprising a housing, a pump unit and a piping system for providing fluid communication between a water inlet, a pre-filtration unit, a crossflow filtration unit, a disinfection unit and an outlet for supply of purified water, wherein the pre-filtration unit comprises sediment/cartridge filtrations means and dechlorination means, the cross-flow filtration unit comprises a plurality of parallel and/or sequentially arranged membrane filters, and the piping system is reconfigurable such that the crossflow filtration unit can be bypassed. The present water purification system is adapted to be deployed in remote areas substantially anywhere in the world.

A method for minimizing the life cycle cost of processes such as heating a building. The method utilizes sensors to monitor various pieces of equipment used in the process, for example, boilers, turbines, and the like. The method then performs the steps of identifying a set optimal operating conditions for the process, identifying and measuring parameters necessary to characterize the actual operating condition of the process, validating data generated by measuring those parameters, characterizing the actual condition of the process, identifying an optimal condition corresponding to the actual condition, comparing said optimal condition with the actual condition and identifying variances between the two, and drawing from a set of pre-defined algorithms created using best engineering practices, an explanation of at least one likely source and at least one recommended remedial action for selected variances, and providing said explanation as an output to at least one user.

The invention relates to an organosilicon-modified polyurethane-acrylic ester photocurable coating and a preparation method thereof. The photocurable coating comprises the following components in percentage by weight: 25 to 60 percent of polyurethane-acrylic ester, 20 to 55 percent of organic polysilane, 5 to 15 percent of solvent, 1 to 5 percent of photoinitiator and 0.05 to 4.5 percent of aid. The preparation method comprises the following steps of: weighing the organic polysilane according to the amount of a formula, putting into a container, sequentially adding a polyurethane-acrylic ester photocurable resin, the solvent and the aid, mixing uniformly, adding the photoinitiator, stirring uniformly to obtain an ultraviolet-photocurable coating, and preserving in a dark place. The ultraviolet-photocurable coating composition can be coated on base materials such as plastics, metals, glass and the like; a coating subjected to ultraviolet photocuring has excellent wear resistance and mechanical properties; and meanwhile, the coating has excellent adhesion, water resistance, salt fog resistance and alkali resistance.

The invention relates to a method for preparing a water polyurethane adhesive applied to shoes, pertaining to the technical field of polymers. A proper amount of first polyatomic alcohol, second polyatomic alcohol, third polyatomic alcohol and fourth polyatomic alcohol are mixed to achieve polyurethane prepolymers; a proper amount of triethylamine is added for neutralization; the prepared polyurethane prepolymers is dispersed into deionized water and added with surface-active agent to achieve water polyurethane dispersoid; a proper amount of ethylene diamine is added into the water polyurethane dispersoid for chain expanding reaction to achieve water polyurethanes; the acetone is removed by vacuum pressure reduction, and finally mixed with antioxidant, ultraviolet absorbent, leveling agent, antifoaming agent, wetting agent, thickening agent and silane coupling agent to achieve the water polyurethane adhesive. The invention provides a simple process, needs a small dosage of organic solvent, the solid content is above 50 percent, the energy consumption of production is relatively low; besides, the adhesive has excellent bonding strength to various shoe materials such as PVC, polyurethane, leather, SBS, canvas, rubber and so on, and the heat-resistance effect is strong.

The cylindrical-telescopic cyclone apparatus structure pattern is the base for multi-compartment cylindrical-telescopic separation chamber cyclone as well as for one compartment conical separation chamber cyclone for both to be a most economic solution.

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.

The invention discloses a routing method in a wireless sensor network, the wireless sensor network and node equipment based on the method. The routing method comprises the following steps: each node selects the nodes closer to the gateway than self from own neighbor nodes to form a candidate forward set; the node computes the payment equation value corresponding to each node in own candidate forward set; the neighbor node maximizing the payment equation value is selected as the next hop node; and after all the involved nodes select strategies, the route is established and data transmission is started. Based on the balance mechanism in the game theory, the invention can jointly optimize transmission reliability, network energy consumption and lifetime in the routing process and farthest save network energy consumption.

A conductive yarn and a cloth containing the same are revealed. A plurality of fibers is wound with a heating element in a spiral form so as to form a yarn with electrical conductivity and flexibility. The conductive yarn is used as a thread in a first direction while regular yarns with conductive metal wires arranged at the two sides thereof are used as threads in a second direction. Thus the threads are woven into a cloth that generates heat while being conducted with electricity. Thereby the cloth can be made into mattress, curtains, textile wall coverings, oversleeves, knee braces, waist supports, foot pads, seat cushions, and carpets etc so as to replace various heating equipment.

The invention discloses a production method of silane. The production method comprises the following steps of: heating trichlorosilane to 70-90 DEG C by using a preheater; feeding heated trichlorosilane into a first reaction region of a reaction rectifying tower, and performing a first step catalytic disproportionation reaction of trichlorosilane in the first reaction region to generate dichlorosilane and silicon tetrachloride; feeding silicon tetrachloride generated in the first reaction region into the stripping section of the reaction rectifying tower, separating, purifying and discharging from a tower kettle; raising dichlorosilane generated in the first reaction region to a second reaction region of the reaction rectifying tower, and performing a second step catalytic disproportionation reaction to generate trichlorosilane and silane; refluxing the trichlorosilane generated in the second reaction region into the first reaction region, mixing with trichlorosilane heated by using the preheater, and continually performing the first step catalytic disproportionation reaction; and raising silane generated in the second reaction region into the rectifying section of the reaction rectifying tower, separating, purifying and discharging from the tower top of the reaction rectifying tower to obtain silane.

A mechanical pulverizer adopts multi-stage high-speed rotating turbine and special design structure to achieve ultrafine or nano pulverization. As shown in the figures, the mechanical pulverizer comprises: base plate (1), bearing seats (2 and 3), main shaft (4), motor base (5), main motor (6), casing (7 and 7′), three-stage turbine blisks (8, 9 and 10), multi-surface curved turbine blades (11 and 11′), gear rings with large-angle curved gears (12 and 12′), suspended shearing device (13 and 13′), built-in, unpowered and replaceable grading plates, (14 and 15), feeding inlets (16 and 17), spiral feeder (18), discharge outlet (19), residuals outlet (20), nanometer filter cloth material collecting bin (21), screw rod for casing-opening (22), handle for casing-opening (23), self-pressurized automatic-control liquid nitrogen cooling device (24), and liquid nitrogen conveying pipes (25).

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.

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.

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.

The invention relates to a rice bran soluble dietary fiber, a production technology and application thereof, and belongs to the field of comprehensive utilization and deep processing of grains. The production technology comprises the following steps: rice bran steam explosion pretreatment, enzymolysis, extraction, concentration, alcohol precipitation and drying. The obtained dietary fiber has higher water-holding capability, oil-holding capacity and expansive force, improves the physiological activity of reducing blood sugar, reducing cholesterol and oxidation resistance and the like, and can be widely applied to the fields of food, health care products and the like.

A compression decision method which is used for reducing energy consumption and used in a wireless sensor network belongs to a wireless sensor network technology, in particular to the technical field of energy consumption optimization design. A compression decision module is set during data processing of a microprocessing unit (MCU) of the wireless sensor; once transmission power of a radio frequency module or precision requirement of a user changes, the compression decision module can obtain time overhead of compressing data of a single byte by an optimum compression ratio prediction model which is preset for executing an LTC compression algorithm and a shortest execution time prediction model, and determines the optimum compression ratio at a breakeven point according to two parameters including a ratio of the time overhead of compressing one byte of data by the MCU to the time overhead of transmitting one byte of data, and a ratio of the power of the MCU and the transmission power so as to decide whether to transmit after compression or directly transmit. The method can effectively avoid unnecessary energy loss up to 10%-30%.

The invention discloses a method for synthesizing fatty acid methyl ester , which belongs to process and technique field of ester material through chemical modification, the procedures of the method comprises that fat raw material is filtered to remove impurity and heated to 160 DEG C in the preheater and is pressurized to 1-4 Mpa after dehydrating in the continuous vacuum flash evaporation dehydrator under the pressure of -0.09 Mpa and is heated to 110-240 DEG C by preheater and enters in the esterifying reaction tower from the top continuously. The raw material carbinol is pressurized to 1-4 Mpa by water pump and is heated to 110-240 DEG C after vaporizing, and then enters in the esterifying tower through gas distributor from the bottom of the esterifying reaction tower. The fat raw material from top to bottom and carbinol gas from bottom to top are in countercurrent contact to generate chemical reaction and chemical procedures as hydrolysis, esterification and ester exchange and stripping, adsorption, rectification and the like to produce product acted by high temperature and pressure. Compared with the prior art, the invention is low in raw material cost, little in equipment corrosion and small in carbinol consumption.

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.

The invention discloses a flying device which comprises a device main body, a sealed inner shell located on the device main body and an outer shell located outside the inner shell. An air channel is arranged between the inner shell and the outer shell; the outer shell located on the upper part of the device main body comprises a plurality of spoilers, and a guide inlet and a guide outlet which are communicated with the outside are arranged between every two spoilers or on each spoiler per se. The air channel is communicated with the guide inlet and the guide outlet respectively; the surface path passed by fluid on the external surfaces of the spoilers is longer than the air path in the air channel on internal surfaces of the spoilers in a corresponding zone, therefore, a high pressure zone produced by low flow rate in the air channel is transferred to a low pressure zone produced by high flow rate outside the outer shell from the guide outlet; and the surface path passed by fluid on the outer shell part at the upper part of the wing is longer than the surface path of the outer shell part at the lower part of the wing in the flying direction. The invention can increase the speed ofthe flying device and can save energy.

This invention provides a method for preparing anode active material of spherical micron order powder for Li-ion battery including the following steps: firstly compounding soluble Co, Mn or Ni salts with LI salt in to a solution to be sprayed with inlet temperature at 300-450 deg.C, and outlet temperature at 200-305 deg.C and dried to form precursor powder, then decomposing in a thermo decomposition furnace at a controlled temperature of 850-1000 deg.c to be gathered by cyclone separation. The powder is calcinated again for 5-25 hours at 750-8000 deg.C under perturbation, and finally the spherical Li-ion battery anode active material is obtained.

The invention provides a methanation fluidized bed reactor which is equipment for performing reaction on CO and H2 to generate methane and water and performing reaction on CO2 and H2 to generate methane and water at a certain constant low temperature. The methanation fluidized bed reactor comprises a cylindrical shell and inner parts, wherein a primary gas distributor and a secondary gas distributor are arranged at the bottom, and a catalyst is filled to form a catalyst bed; a heat exchange device consisting of a plurality of groups of heat exchange tubes is arranged in the catalyst bed; the lower ends of the heat exchange tubes in each group are communicated with a water inlet header pipe which is communicated with a water outlet of a steam drum, and the upper ends of the heat exchange tubes in each group are communicated with a steam outlet header pipe which is communicated with a steam inlet of the steam drum. According to the methanation fluidized bed reactor, heat continuously released during methanation reaction can be timely transferred through another medium, and the reaction can be performed at the constant low temperature.

The invention relates to a method for separating and extracting protein in a biological product technology, in particular to a preparation method of human serum albumin. The preparation method comprises the following steps of: separating components I, II and III, separating a component IV, separating a component V, and refining and purifying; and performing ultrafiltration, pasteurization and sterilized filling, examining a finished product, and packaging the qualified product by pasting a label, boxing and the like. According to the preparation method disclosed by the invention, a relatively-moderate pressure-filtration separation method is adopted, so that the molecular structure of the protein is not influenced, and the human serum albumin with high quality is ensured to be prepared; moreover, the product yield is greatly increased, the human serum albumin which is low in aluminum ion content or even does not contain aluminum ions can be provided for clinical application, and the quality of the human serum albumin is improved.

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.

The invention discloses a phosphorous and nitrogenous UV-cured flame retardant and a preparation method thereof. According to the invention, phosphorus and nitrogen compound precursor with high phosphorus content is synthesized by using raw materials of alcamines compound, aldehydes compound, and dialkyl phosphite through Kabachnik-Fields reaction; a light-cured monomer containing phosphorus and nitrogen elements is prepared through substitution/esterification reaction of the precursor with (methyl) acryloyl chloride or (methyl) propenoic acid by utilizing active hydroxy of the precursor; the monomer is used as reaction type flame retardant to be applied to light-cured resin matrix, and can curve rapidly with matrix under UV lighting to form a flame-retarded light-cured material which not only has good flame retardant property, but also can reduce the transfer and loss of the flame retardant in the using process. Compared with a conventional additive flame retardant, the compatibility of the flame retardant and the macromolecule matrix is also increased, and the duration of the flame retardant property of the material can be guaranteed.

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.

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.

The invention relates to a manufacturing method of a special cable for wind-power generating equipment; the manufacturing method comprises the following steps of: selecting materials-drawing wires-stranding conductor bunches-lapping an isolating layer-extruding an insulating layer-radiation cross-linking the insulating layer-twisting insulating cores into cables, filling gaps and lapping the insulating layer-extruding an outer sheath-radiation cross-linking the outer sheath-checking finished products-packaging and storing finished cables. The cable produced by the manufacturing method has low-temperature resistance, twist resistance, ozone-corrosion resistance, light aging resistance, oil resistance, sea water resistance and mechanical and physical performances better than the performances of EPR-insulating chlorinated polyethylene-sheath wind energy cable.

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.