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322results about How to "Guaranteed energy saving" patented technology

Self-adaption control method and device based on deep learning

The invention discloses a self-adaption control method and a device based on deep learning. According to the invention, a deep neural network is utilized to learn to realize the online control of people on a back route through the obtaining of feedback of the body of an experienced driver in various driving conditions and to generate a self-adaption controller. The method and the device are applied to self-driving and are suitable for various types of vehicles. In the invention, the cognitive behaviors of the experienced driver are materialized; the self-driving control is decoupled; and the circular neural network architecture in deep learning is used to make a self-adaption controller of a self-driving vehicle. In the application, the self-adaption controller receives the command of the cognitive arrows formed by the driving brain decision so as to deal with the road, weather and load uncertainties to control the driving of the vehicle and to ensure the self-driving becomes safe, stable and energy conserving.
Owner:李德毅

Fully-prefabricated structure and construction method thereof

The invention belongs to the technical field of building construction and in particular relates to a fully-prefabricated structure and a construction method thereof. The fully-prefabricated structure comprises a top plate, peripheral wall boards and base plate concrete precast members, wherein an assembly clearance joint is preserved between every two adjacent concrete prefabricated members; joints connected with the concrete prefabricated members in parallel adopt L-shaped stagger-jointed lapping; in addition, the prefabricated wall panels are connected by embedded split bolts or connected by grouting and casting of reserved steel bars and matched holes; vertical joints between the prefabricated wall panels and the top plate and the base plate adopt grouting and casting connection through the reserved steel bars and the matched holes; water-expandable rubber water-stop strips are arranged in the reserved assembly clearance joints and are grouted with cement-based grouting materials; sealants are arranged on openings in two sides of the reserved assembly clearance joints. The fully-prefabricated structure and the construction method thereof disclosed by the invention have the advantages that the construction speed is high, the quality is easy to control, and materials such as a template scaffold are saved; the members are good in appearance quality and durability; field wet operation is reduced, so that environment friendliness is facilitated; the fully-prefabricated structure and the construction method thereof are suitable for construction of single-storey assembled buildings and multi-storey assembled buildings having no seismic requirements.
Owner:鹤壁东江建筑工业科技有限公司

Intelligent optimization control system of blast furnace hot-blast stove

The invention discloses an intelligent optimization control system of a blast furnace hot-blast stove, which relates to the technical field of blast furnace ironmaking optimization control and can reduce coal gas consumption, ensure equipment safety and prolong the service life on the premise of ensuring that the required hot-blast temperature and flow of a blast furnace are satisfied. The system is technically characterized in that the on-line calculation of a heat accumulation rate is realized based on heat balance, a reasonable heat accumulation rate setting curve is set according to the required total heat amount of blast and heating time of the blast furnace and the heat accumulation rate characteristic of a hot-blast stove, the amount of fuel in the heating stage is controlled in real time according to the heat accumulation rate, and the calculated amount of fuel is limited according to accepted upper limits of arch crown temperature and exhaust gas temperature processes. The system fully meets the demands of the blast furnace for hot blast, reduces lost heat carried away by waste gas and simultaneously ensures the equipment safety; and furthermore, the air-fuel ratio is optimized by taking the heat accumulation rate as the optimization target value and using a trial-and-error self-optimization algorithm, so that the fuel utilization is maximized, and the energy saving of the device is ensured at multiple levels.
Owner:北京和隆优化科技股份有限公司

Single-component inorganic heat-insulating mortar and preparation method thereof

The invention relates to single-component inorganic heat-insulating mortar which is prepared from the following components in parts by weight: 400-500 parts of cement, 400-450 parts of expanded closed cell perlite, 100-200 parts of fly ash, 5-10 parts of redispersible emulsion powder, 10-30 parts of sepiolite fiber, 2-3 parts of cellulose ether, 10-20 parts of gypsum and 1000-1200 parts of water. The inorganic heat-insulating mortar has low heat conduction coefficient, good thermal insulation performance, high compressive strength and bonding strength, excellent mechanical performance, good construction workability, simple operation and high construction efficiency; and single-component production is carried out by adopting the process of the invention, the quality is easy to control, and the invention is beneficial to on-site civilized construction.
Owner:武汉威尔博科技发展有限公司

Air conditioning system integral optimized control device

The invention provides an air conditioning system integral optimized control device. The device comprises a host (101), a weak current control system (102), and a strong current control system (103), wherein both the weak current control system (102) and the strong current control system (103) are connected in parallel with the host (101) via an RS485 communication interface. The control device provided by the invention realizes the control completely compatible and parallel with an original central air conditioning control circuit, and has a local control mode and a remote control mode, wherein the local mode is applicable to site button operation, and the remote mode is applicable to remote computer remote control operation. The remote mode is divided into an automatic mode and a manualmode, wherein the manual mode can realize remote inching equipment operation, and the automatic mode can realize the full-automatic, failure-free and optimized operation of the central air conditioning system.
Owner:SOUTH CHINA UNIV OF TECH

PTC heater control system and method for automobile air conditioner controller

The invention provides a PTC heater control system and method for an automobile air conditioner controller. The PTC heater control system comprises a PTC heater target temperature determining module, a PTC heater signal control module, a PWM output climbing setting module and a PTC heater switching-on control module. The PTC heater target temperature determining module is used for superposing a first temperature compensation value and a second temperature compensation value with an air outlet automobile internal target temperature as a basic value so as to determine the target temperature of a PTC heater. The PTC heater signal control module is used for setting the PWM duty cycle of the PTC heater with a PI control method. By regulating the target temperature of the PTC heater in real time, the energy conservation of an automobile air conditioner system is guaranteed to the maximum; meanwhile, a whole automobile high-voltage power supply system, the PTC heater and an air conditioner case plastic shell are effectively protected, and the use safety of the automobile air conditioner system is guaranteed.
Owner:HUIZHOU DESAY SV AUTOMOTIVE

Energy-saving control device and control method for variable displacement compressor of air conditioner

The invention relates to an energy-saving control device for a variable displacement compressor of an air conditioner. The energy-saving control device comprises an inside temperature control module, an outlet air temperature control module and a compressor control module, wherein the outlet air temperature control module comprises a base value computing unit which is used for acquiring a target value which is less than a target outlet air temperature according to the target outlet air temperature and the outside temperature, a dynamic value computing unit which is used for determining a first compensation value according to the temperature difference of the air-conditioner set temperature and the inside temperature, and a target evaporator temperature computing unit which is used for summing the target value and the first compensation value so as to acquire a target evaporator temperature which is close to the target outlet air temperature. By the energy-saving control device for the variable displacement compressor of the air conditioner, the adjustability of an external control variable displacement compressor is used fully, influence of the environment inside and outside an automobile on a refrigeration system is taken into account, and the target evaporator temperature can be adjusted in real time according to the current refrigeration needs inside the automobile, so that excellent energy-saving property of an automotive air conditioning system is ensured.
Owner:HUIZHOU DESAY SV AUTOMOTIVE

Steel structured wide-bay energy-saving residential building with gypsum walls and on-site layering and sectioning manufacturing method

ActiveCN101691784ASave clay resourcesSolve rust and fire protection problemsWallsDwelling buildingGypsumMesh grid
The invention discloses a steel structured wide-bay energy-saving residential building with gypsum walls and an on-site layering and sectioning manufacturing method. A steel grid framework is adopted as an outer wall or a skeleton of separation load-bearing walls, and is spliced by preformed steel members on site, and the steel members are connected by high strength bolts on site; after a section of steel grid framework in the height of the steel members is spliced, a wall pouring template is adopted to surround the section of steel grid framework; then gypsum slurry is poured into a cavity of the steel members surrounded by the template in an on-site pouring mode to fill the gypsum slurry into the cavity of the steel members and completely cover the constructed steel grid framework; and the steps are repeated to manufacture the steel structured wide-bay energy-saving residential building with the gypsum walls. The building has the advantages of high construction efficiency, good energy-saving effect, good rust and fire resistance, wide bay and flexible room division.
Owner:GUIZHOU UNIV +3

Cooling tower fog dispersal and water collection device

The invention relates to a cooling tower supporting facility, in particular to a cooling tower fog dispersal and water collection device which consists of cool air supply systems, a condensing system, a mixed air bellow and an air intake regulating device. Each cool air supply system consists of a refrigerator, a refrigeration exchanger, an axial flow fan, a variable-diameter air duct and an air collection box. The condensing system is composed of cool air passages, cool air passage partitions, water collection and air guide blades, dry and hot air discharge holes, heat exchange and condensation partitions, damp and hot saturated gas passages, water distribution and collection tanks, a water collection tank and a water tank. The air intake regulating device is composed of a planar plugging plate, a support, a hinge shaft, air outtake regulating plates, a regulating rod and regulating nuts. All the above components are combined to form the cooling tower fog dispersal and water collection device. The requirements on technical difficulty in fog dispersal and water collection under air temperature conditions in different seasons and at air pressure values in different-altitude regions are met, unnecessary waste of a single power supply mode is avoided, production and use cost are lowered, and requirements of environmental protection policies for fog dispersal and water collection and energy conservation and emission reduction under the new situations are met.
Owner:SHANDONG BENO COOLING EQUIP CO LTD

Vacuum-degree detection device of vacuum thermal-insulation plate

The invention provides a vacuum-degree detection device of a vacuum thermal-insulation plate, which can solve the problem in the prior art that the vacuum thermal-insulation plate durability can not be evaluated as the service life can not be predicated due to the incapability of detection of the vacuum degree of the vacuum thermal-insulation plate. The technical scheme is as follows: the vacuum-degree detection device of the vacuum thermal-insulation plate comprises a machine table, a vacuum cavity and a vacuum-pumping pipeline; the upper part of the machine table is hinged with a cover body, and damaging device is arranged on the cover body; the vacuum cavity comprises a bottom plate, a test groove is arranged at the upper part of the bottom plate, a lifting seat used for bearing the to-be-tested vacuum thermal-insulation plate and an airbag located at the lower part of the lifting seat are arranged inside the test groove, and a detection device is arranged at the lower part of the bottom plate; the vacuum-pumping pipeline comprises a first pipeline communicated with the vacuum cavity and the vacuum-pumping device and a second pipeline communicated with the airbag and the vacuum-pumping device. The vacuum-degree detection device can detect the vacuum degree in the vacuum thermal-insulation plate, predicts the service life of the vacuum thermal-insulation plate, is used for evaluating the durability of the vacuum thermal-insulation plate and ensures the energy-saving efficiency of the energy-saving building.
Owner:ANHUI KERUIKE INSULATION MATERIAL

Lamp control device and intelligent lighting lamp system regulating and controlling system and method

The invention discloses a lamp control device and an intelligent lighting lamp system regulating and controlling system and method. A photoconductive resistor is utilized for collecting environment light intensity signals and an ultrasonic transducer is utilized for collecting movement state signals of an object to be tested in an area to be tested to determine the work state of an LED lighting module; lighting lamps in the area to be tested are turned on at intervals in sequence, intelligent control over the urban street lamps is achieved, a single chip microcomputer module controls the on-off states and power of the street lamps according to the environment brightness, and the functions of tracing distributive lighting and controlling a GSM to send a fault short message by a single chip microcomputer are achieved by recognizing and analyzing the position and the speed of the passing object and automatically adjusting the lamp set switching. The solar-power grid duplet power supply method is adopted, and the energy is efficiently utilized on the premise that the lighting effect is guaranteed. Meanwhile, the lower ends of street lamp posts are provided with USB charging output ports for being used for emergency, and therefore the low-consumption operation of the whole system and efficient, energy-saving, environment-friendly and humanized urban lighting are achieved.
Owner:CHONGQING UNIV

Digital type electric energy meter power consumption measuring device and method

The invention discloses a digital type electric energy meter power consumption measuring device and method. An optical fiber data communication interface is adopted to communicate with a measured digital type electric energy meter in real time, in a 'measuring mode' and a 'standby mode' of the digital type electric energy meter, voltage and current signals of a power supply loop of the measured digital type electric energy meter can be acquired in real time, the real-time power consumption value of the measured digital type electric energy meter in the 'measuring mode' and the 'standby mode' can be accurately analyzed by using a rapid Fourier frequency domain conversion technique, and whether the power consumption meets relevant technical requirements can be judged. Compared with a method that only the static power consumption of the electric energy meter is measured by using an ordinary multimeter, the method is relatively high in accuracy, complex wiring and electric shock hazard are avoided, the measuring process is full-automatic, the static power consumption and the dynamic power consumption can be measured in real time, the electric energy quality of an alternative-current power supply of the measured digital type electric energy meter is effectively evaluated, and the energy conservation and the reliable operation of intelligent substation equipment are ensured.
Owner:STATE GRID CORP OF CHINA +2

Constant-speed cruise control method and device for composite power split hybrid electric vehicle

The invention provides a constant-speed cruise control device for a composite power split hybrid electric vehicle. The constant-speed cruise control device comprises a monitoring module, an algorithm module, an actuator module and a sound and light module, wherein the monitoring module is electrically connected with the algorithm module; the algorithm module is respectively connected with the actuator module and the sound and light module through a CAN bus. The invention further provides a constant-speed cruise control method for the composite power split hybrid electric vehicle. The constant-speed cruise control method comprises the following steps: when the vehicle is in a non-cruise driving state, reading relevant information in the monitoring module; when cruise driving conditions are met, sending out a cruise instruction according to driver operation, enabling the vehicle to be ready to enter cruise driving and calculating cruise demand torque; judging whether to enter a hybrid power cruise mode or a pure electric cruise mode or not according to the cruise demand torque as well as a power battery pack SOC. The constant-speed cruise control device provided by the invention has the benefits that no additional device is required to be arranged, a device on a vehicle system is directly utilized, the cost is reduced, and the space is saved; the method is simple to operate and has wide application values.
Owner:江西鼎盛新材料科技有限公司

Classification storage energy-saving method

The invention discloses a classification storage energy-saving method. The classification storage energy-saving method comprises the following steps: automatic classification of storage, namely, staring a cluster, automatically recognizing the storage level which each host machine is in, and regulating the node point in a lower storage level into an energy-saving mode according to the proportion; directional access, namely, selecting the storage level which is short in distance and high in storage level to store and read documents; and searching of thermal date, namely, recoding access information of each data block in the documents, obtaining the value of each access data block according to the recorded information and forming a queen according the value in a mode of from high to low. The classification storage energy-saving method guarantees the energy conservation effect of the cluster.
Owner:SHENZHEN INST OF ADVANCED TECH

Electric spark machining stability and energy consumption state optimization decision-making system and method based on deep learning

The invention discloses an electric spark machining stability and energy consumption state optimization decision-making platform based on deep learning. A characteristic screening method is used for excavating and analyzing electric spark machining data, and machining stability and energy consumption state optimization indexes are obtained; a K-medoids algorithm is used for clustering the optimization indexes, the machining stability and energy consumption state distribution condition is obtained, and a stable machining state database and an energy-saving discharge state database are built; historical electric spark machining data are used for training LSTM recurrent neural network deep learning to obtain the real-time electric spark machining state predication value, in combination with statistics characteristic value of the optimization indexes, when it is judged that the current state is the non-normal machining state, the machining stability and energy consumption state is subjected to multi-target optimization, the stability-energy saving machining state comprehensive optimal target value is obtained, and the current machining parameter value is regulated. On the basis of thedeep learning, the stability-energy saving comprehensive optimal electric spark machining parameter optimization decision-making method is given, and electric spark machining runs in the stable and energy-saving state.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Boiling water machine/water heater

The invention relates to a boiled water machine / a hot water device. The functions of a boiled water machine and a hot water device are organically combined into a whole so as to avoid repeated investment. Firstly, water is preheated to drinking water of 90 DEG C and hot water of 60 DEG C respectively through a drinking water heating cup and a hot water heating cup; secondly, the drinking water of 90 DEG C is unidirectionally guided out from the drinking water heating cup to a drinking water valve through utilizing a parallel check valve in a water outlet of the drinking water heating cup and the hot water heating cup, thereby realizing the function of the boiled water machine; or the drinking water of 90 DEG C and hot water of 60 DEG C are guided out in parallel from the drinking water heating cup and the hot water heating cup to a cold / hot water mixing valve and are mixed into hot water of 70 DEG C, thereby realizing the function of the hot water device.
Owner:侴乔力

Charging control method for battery of electric vehicle and equipment thereof

ActiveCN102055216AReal-time measurement of electromotive forceReal-time measurement of charging currentBatteries circuit arrangementsElectric powerCharge currentAutomotive battery
The invention discloses a charging control method for a battery of an electric vehicle and equipment thereof. The method comprises the following steps of: measuring the current electromotive force and charging current of the battery; determining a current charging parameter according to the current electromotive force and charging current, and an ideal charging current of the battery; and controlling the charging of the battery according to the current charging parameter. A charging station operation monitoring system can acquire available charging capacity information of a charging station from a distribution network automation system; and under the limit of the available charging capacity of the charging station, the output power of the battery is adjusted according to the charging parameter and a charging emergency degree of the battery. When the charging of a battery pack is controlled by the charging station of the electric vehicle, the charging parameter is adjusted automatically according to a current state by combining an acceptable ideal charging current curve of the battery pack, tracking a temperature of the battery pack in real time, and adopting voltage feedback compensation. Therefore, the performance and the service life of the battery pack are brought into play to the maximum.
Owner:STATE GRID CORP OF CHINA +1

Automatic production method of PCB

The invention discloses an automatic production method of a PCB. The automatic production method comprises the steps of material cutting, film drying at an inner layer, browning, inner-layer board lamination, copper deposition, board electroplating, film drying at an outer layer, gold electroplating, green oil wetting, goldfinger plating, tin spraying and gold deposition. In the step of material opening, a large material is cut to various fine materials by an automatic cutting machine according to specifications, a tip end of a round board is grinded by a round angle grinding machine, the board is placed in an oven for heating after the board is washed and dried by a board washing machine, the board is taken out after cooling and then is labeled as a mark; and in the step of film drying atthe inner layer, the board is placed in a chemical cleaning machine by a carrying device, and the cleaning is completed sequentially by washing, micro etching, high-pressure washing, cycle washing, water suction, strong wind blowing and hot-air secondary drying. The automatic production method is high in automation, the whole PCB production efficiency is high, and the damage to the PCB is low during the production process.
Owner:刘夏冰

Control method and control device for compressor in air conditioner

The invention discloses a control method and a control device for a compressor in an air conditioner. The control method includes the following steps: the current operating frequency of the compressor is obtained; the operating frequencies of the compressor are divided into N preset frequency ranges, which frequency range the current operating frequency lies is judged, wherein N is an integer greater than or equal to 2; when the current operating frequency belongs to the ith preset frequency range, a weak-magnetism voltage modulation degree threshold corresponding to the ith preset frequency range is obtained, weak-magnetism current is calculated according to the obtained weak-magnetism voltage modulation degree threshold, and is injected into the compressor, wherein i is equal to 1, 2, 3, ... or N, thereby the magnitude of the weak-magnetism current injected into the compressor is controlled, consequently, by injecting appropriate weak-magnetism current into the compressor, the operating noise of the compressor can be effectively reduced, the requirement for the quietness of the air conditioner can be met, the comfort of the air conditioner is increased, moreover, the efficiency of the compressor can be optimized, and the energy-saving performance of the air conditioner can be ensured.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Integrated intelligent electricity usage system for building and electricity usage method thereof

The invention discloses an integrated intelligent electricity usage system for a building and an electricity usage method thereof. The system is characterized in that a measurement control collection device is used for detecting environment parameter information inside a room and control information of associated equipment and transmits the collected information to each room controller; the room controller receives data uploaded by a front-end measurement and control collection device, uploads the data to a monitoring center, and receives a command from the monitoring center to change a working state of the front-end measurement and control collection device; the room controller is provided with a built-in control strategy for the room environment parameter to adjust an environment parameter inside the room intelligently and display the parameter in the room in real time. According to the invention, because one room controller is arranged in each room, environment parameters and electricity consumption in the room can be displayed in real time; and on the basis of the internally-integrated control strategy, the working states of electric appliances in the room can be adjusted autonomously, thereby guaranteeing comfort of the environment and energy conservation.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Cooling water system and control method thereof

The invention discloses a cooling water system and a control method thereof. The cooling water system comprises a refrigerator unit, a main water inlet pipe, a cooling water pump, secondary water inlet pipes, cooling towers, a cooling system balancing controller, a main pipe flow rate balancing valve which is arranged on the main water inlet pipe, and a secondary pipe flow rate balancing valve which is arranged on the secondary water inlet pipe. The control method comprises the following steps: detecting main water inlet flow rate parameters in the main water inlet pipe; determining the quantity of started cooling towers based on the minimum water inlet flow rate of each cooling tower; detecting the water inlet flow rate in each secondary water inlet pipe; adjusting the opening degree of the secondary pipe flow rate balancing valve based on the maximum water inlet flow rate of each cooling tower; controlling the actual flow rate of the secondary water inlet pipes to be not greater thanthe maximum water inlet flow rate of the cooling towers; detecting the total water inlet flow rate in the main water inlet pipes and the quantity of the cooling tower in a starting state; determiningthe average water inlet flow rate of each cooling tower in the starting state; and outputting the average water inlet flow rate as the actual set flow rate to each secondary pipe flow rate balancingvalve in order to adjust the opening degree of each secondary pipe flow rate balancing valve. The system realizes hydraulic balance, and is energy saving and stable in running.
Owner:广东新菱空调科技有限公司

Efficient defrosting method and device implementing control according to fan speed and pressure

The invention provides an efficient defrosting method and device implementing control according to the fan speed and the pressure. The method comprises the steps of normally operating a fan of an outdoor heat exchanger and detecting the outdoor environment temperature T-environment in the normal water heating process of an air energy heat pump water heater; continuously carrying out water heating if T-environment is not within the preset frosting environment temperature interval; if T-environment is within the preset frosting environment temperature interval, detecting the pressure P-starting of refrigerating fluid of the outdoor heat exchanger, automatically calculating the evaporating temperature Te corresponding to the pressure in real time according to the physical characteristics of the refrigerating fluid, calculating the difference Tx between Te and T-environment, judging whether Tx is within the frosting temperature interval, and repeating the steps from the step of detecting P-starting to the step of judging whether Tx is within the frosting temperature interval if Tx is not within the frosting temperature interval; if Tx is within the frosting temperature interval, enabling the water heater to implement the defrosting program; stopping the defrosting program after defrosting is completed, and restarting the water heating program. A unit can be controlled to start defrosting or stop defrosting more accurately according to the judgment on the basis of the temperature and the pressure.
Owner:QINGDAO ECONOMIC & TECHN DEV ZONE HAIER WATER HEATER +1

Control method for optimizing dynamic backlight of local area of liquid crystal display equipment

The invention discloses a control method for optimizing dynamic backlight of a local area of liquid crystal display equipment. The liquid crystal display effect is optimized by means of dynamic backlight modulation and image content correction. The control method comprises the steps that 1, the image gray level distribution under each subarea is detected under a fixed sub block, and brightness estimations of all subareas are obtained according to detection results; 2, an interframe histogram difference is detected, and weighted summation is performed to obtain image change estimations, and backlight correction parameters are obtained according to estimation results; 3, initial backlight is dynamically corrected through the backlight correction parameters, and backlight is controlled to be changed; and 4, image content is dynamically corrected according to the obtained backlight. By means of dynamically correcting backlight, the image signal to noise ratio can be ensured, meanwhile, energy consumption of the display equipment is lowered, the image dynamic contrast is increased, and dynamic backlight uniformity optimization is achieved, so that the purpose of optimizing the subjective display effect is achieved.
Owner:SOUTHEAST UNIV

Mixing dynamic gate type machine with electrical driving tires for hoisting ship

An electric gantry ship crane with mixed power system and tyres is composed of structural steel frame, crane system, running system, the power system consisting of engine, electric generator, controller of electric generator, and accumulator set, and the steering system consisting of the vertical volumns of drive wheels, steering motor, steering speed reducing, steering drive gear, steering axle and thrust roller bearings.
Owner:武汉理工通宇新源动力有限公司

Rotary water culturing device

The invention relates to a rotary water culturing device. The rotary water culturing device is characterized by comprising a circulating base, a water culturing assembly and a rotary shaft, wherein the circulating base is used for holding culturing liquid, the rotary shaft capable of rotating is perpendicularly arranged on the circulating base and penetrates through the water culturing assembly to drive the same to rotate synchronously, a water suction pump is arranged on the circulating base and connected to a water outlet guide tube which is used for circularly supplying the culturing liquid to a culturing pool, and the water culturing assembly is communicated with the circulating base via a circulating liquid outlet in a liquid storage pool. The rotary water culturing device has the advantages that multiple levels of water culturing can be achieved conveniently; the rotary water culturing device can rotate in a rotary manner to get uniform illumination, and ornamental value of water-cultured plants is increased.
Owner:河北漳西农业科技有限公司

Power source control method of for pre-heating of variable frequency compressor

The invention provides a power source control method of for pre-heating of a variable frequency compressor so as to achieve the effect that the coil preheating function of the variable frequency compressor can be normally started when an indoor unit cuts off a power source of an outdoor unit after an air conditioner is in a standby state. According to the power source control method, by judging the outdoor environment temperature and the outdoor coil pipe temperature, whether pre-heating needs to be conducted or not is judged, then the heating duration T1 and the cooling duration T2 are obtained through a development test, thus whether the indoor unit supplies power to the outdoor unit or not is judged accurately, and a coil of the variable frequency compressor is preheated. According to the power source control method, the technical problem that after the air conditioner is in the standby state, the coil pre-heating function loses efficacy is solved, the method is easy to control, accurate and efficient.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD

Energy-saving type sill embedded air exchanger

The invention discloses an energy-saving type sill embedded air exchanger which comprises a mounting base and a mainframe, wherein four sides of the mounting base are closed, and two ends of the mounting base are opened; the mainframe is detachably mounted in the mounting base; four sides of the mainframe are closed, and two ends of the mainframe are opened; the opening directions of the mainframe and the mounting base are the same; the mainframe comprises a fresh air passage and an exhaust passage that are positioned inside the mainframe, a fresh air filter screen and a first centrifugal fan that are positioned in the fresh air passage, and an exhaust filter screen and a second centrifugal fan that are positioned in the exhaust passage; a first heat exchanger and a second heat exchanger are respectively arranged at openings in two ends of the mainframe; the first heat exchanger is provided with a fresh air inlet and an exhaust outlet that are communicated with the outside; the second heat exchanger is provided with a fresh air outlet and an exhaust inlet that are communicated with the outside; two ends of the fresh air passage are respectively communicated with the fresh air inlet and the fresh air outlet; two ends of the exhaust passage are respectively communicated with the exhaust inlet and the exhaust outlet; the fresh air outlet is positioned above the fresh air inlet; and the exhaust inlet is formed above the fresh air outlet.
Owner:伊文图斯安岢栎热能科技(苏州)有限公司

Control method of pulse heating furnace

The invention provides a control method of a pulse heating furnace, which is characterized by comprising the following steps: (1) dividing a pulse nozzle into a plurality of virtual sections according to capacity, quantity and practical furnace length of each pulse nozzle of the pulse heating furnace; (2) setting furnace temperature of each virtual section; (3) detecting practical furnace temperature of each virtual section; and (4) controlling on / off time of the pulse nozzle according to the deviation of the practical temperature value and the set furnace temperature value in each virtual section. The method of the invention can improve the stability of pulse-consumption control, reduce operation load of an operator, effectively promote the flexibility and the precision of controlling the furnace temperature for the pulse heating furnace and at the same time ensure the energy-saving effect of a pulse-consumption technology.
Owner:BAOSHAN IRON & STEEL CO LTD

Polypropylene apparatus grade switching and controlling method

The invention relates to a method for switching and controlling polypropylene device mark. The method comprises: establishing a linear subsystem optimal controller according to the systematic linear performance index by establishing a polypropylene mark switching process discrete time state space Hammerstein model; designing state observation through a pole assignment method according to an expected pole of a systematic state observer; establishing a model forecasting controller based on the state observer according to a systematic quadratic performance index; updating initial conditions of the optimal control problem; and then carrying out the rolling optimization calculation of the current forecasting control variable repeatedly till the mark switching process is switched to a target market and stable production. The method has simple design, easy understanding, easy realization of online commissioning, and good practicability. The method can realize the continuous automatic switching of polypropylene marks, particularly marks of different categories on a wide range, thereby greatly shortening the mark switching time, reducing the emission of unqualified products, and improving the production economic benefits and market competitiveness.
Owner:ZHEJIANG UNIV OF TECH

Sensing participation system and task distribution method of sensing participation system

The invention provides a sensing participation system and a task distribution method of the sensing participation system, and discloses an online sensing task distribution system and method. Once a task arrives, the sensing participation system immediately distributes the new task to a member device with the shortest total distributed-task completion time at present for completion to enable the difference of the maximum value and the minimum value of the total work time of member devices to be smallest. The deployable performance and the implementation performance are higher. The sensing participation system and the task distribution method of the sensing participation system are suitable for deploying and running of large-scale sensing participation systems.
Owner:SHANGHAI JIAO TONG UNIV
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