2837results about How to "Realize energy saving" patented technology

The invention provides a method for controlling a global optimization of energy saving for a central air conditioning system based on a model, comprising a control module, a multichannel data acquisition card and control card, a refrigerating unit data collector and a controller, a humidity sensor, a temperature sensor, a flow sensor, a watt transducer, a water pump frequency converter, a fan frequency converter, an RS232/RS485 conversion module and a RS485/RS232 conversion module. The whole system can be operated under the condition of most energy saving according to an operating condition of optimized energy saving of each energy consumption device acquired by calculation of a calculation module by taking energy consumption modules of a refrigerating unit, a water pump and a fan and an ARMA air conditioning load forecasting model. The invention thoroughly concerns an influence of the operating condition of each power device in the system to the energy consumption of the whole system, takes a control strategy based on a forecasted air conditioning load, and performs an online update for the energy consumption modules of key energy consumption devices in the system, thereby greatly improving an effect of optimization of energy saving for the central air conditioning system.

The invention provides an LED atmosphere illumination control system, which adopts the standard DMX512 control protocol and a bus type network structure. A controller intensively controls all LED lamps. The system comprises an embedded light synchronous controller, an indoor atmosphere illumination controller, a general high-power LED drive, a transmission medium and the LED lamps. The system canperform scene mode control by network control mode, remote control mode, automatic control mode, manual control mode and various control modes; no less than nine scene modes are preset or can be freely set according to individual preference; digital diming can be achieved by an embedded program, and the illumination and the color tone of the light can be controlled precisely; and each lamp can beindependently controlled or can be controlled by networking. The system can ensure the evenness of the illumination effect while achieving the energy-saving illumination control and is widely applicable to local intensive illumination control of public places and families.

The invention discloses a self-adaptation control method and device of an air conditioner. The method includes setting a mapping relation of outdoor environment temperature and a heating threshold and a refrigeration threshold in advance; obtaining indoor environment temperature and the outdoor environment temperature after the air conditioner is in a self-adaptation operation mode and an environment temperature obtaining command is detected; obtaining the heating threshold and the refrigeration threshold which correspond to the obtained outdoor environment temperature according to the preset mapping relation of the outdoor environment temperature and the heating threshold and the refrigeration threshold; calculating the difference of the indoor environment temperature and target temperature set by a user, comparing the difference with the heating threshold and the refrigeration threshold, confirming a practical operation mode of the air conditioner according to a comparison result, and controlling the air conditioner to operate in the practical operation mode. The method and device enables operation modes of the air conditioner to be dynamically adjusted according to changes of the indoor environment temperature, can accelerates temperature adjustment, and achieves the aim of energy saving and electricity saving.

The invention provides a geopolymer gel material for rush repairs and rush constructions, which is prepared by adding water to 13-17 percent by weight of exciting agent and 82-87 percent by weight of slag containing aluminosilicate. The slag comprises one or the combination of more of blast furnace slag, steel slag, coal ash and coal gangue, and the exciting agent comprises the following components in percentage by weight: 35-75 percent of SiO2, 0-55 percent of Na2O, 0-65 percent of K2O, 0-1 percent of CaO and 0-1 percent of SO3. The geopolymer gel material which has the characteristic of quick setting and hardening is prepared by using the industrial waste slag as a main raw material and matching the exciting agent, and the geopolymer gel material has excellent mechanical property and controllable setting time and can replace gel materials such as fast setting and hardening cement, and the like in the processes of rush repairs and rush constructions. The industrial solid wastes such as the blast furnace slag, the steel slag, the coal ash, the coal gangue, and the like containing the aluminosilicate series are used as main raw materials, metakaolin is not added and the raw materials do not need to be calcined, thus the invention has low energy consumption, less pollution, simple process, low cost, environmental protection and energy saving.

The invention relates to a method and a device for printing pictures and texts, particularly to a method and a device for printing fine pictures and texts on the surface of an irregular object, which comprises the following steps of: a. manufacturing a compound transfer printing film; b. pre-deforming the compound transfer printing film; c. placing the deformed compound transfer printing film in a plastic hollow blow molding mould, realizing transfer printing in the plastic molding process, or clinging the deformed compound transfer printing film to a printing undertaking object, and sharing through one or more modes of heating, infrared illumination, ultraviolet illumination and pressurization to realize transfer printing; and d. removing a substrate layer and a stripping layer. The invention has the advantages that the printing of fine pictures and texts can be carried out on the surfaces of a regular object and the irregular object, pictures and texts are continuous, whether the local surface or the entire surface can be printed once through the invention, and the invention has a good solution particularly for an object with a complicated surface.

The invention discloses a power control method of a wireless local area network access point device, which comprises the following steps: using the wireless local area network access point device (AP) to obtain the current signal intensity or the data transmission quality; comparing the obtained signal intensity or the data transmission quality with a preset threshold, and obtaining the comparison result; and determining whether to adjust the transmission power of the wireless local area network access point device or not according to the comparison result. The invention further discloses a power control device of the wireless local area network access point device, which can realize energy conservation of the wireless local area network access point device through the flexible control of the transmission power.

The present invention provides a method for automatically controlling partial functions of an air conditioner and a heat pump water heater based on weather forecast data. According to the method, mainly the control on an air conditioner and the big data of weather forecast are combined, such that the air conditioner can predict and automatically control the opening and the closing of the electricheating tape of a compressor during the standby of the air conditioner according to the temperature change in weather forecast, the amount of new air introduced by an indoor unit can be automaticallycontrolled according to outdoor air quality report data while whether an indoor heat exchanger is clogged by dirt can be judged by combining historical air quality data and the gas discharging temperature or the pressure data of the compressor, the dehumidification period or logic can be automatically established according to local seasonal climate, or the evaporation pressure during cooling can be adjusted sp as to make the air conditioner dehumidify according to the concrete humidity condition, the temperature change at the current day can be predicted, the water boiling temperature can be adjusted, the running period achieving the highest energy efficiency can be determined, and the time for boiling water can be calculated and is transmitted to a client terminal.

This non-contact electric power supply device 6 is used to charge, for example, a battery of an electric vehicle, and electric power is supplied from a primary side, i.e., a primary coil 7 on an electric power supply side to a secondary side, i.e., a secondary coil 8 on an electric reception side based on a mutual induction effect of electromagnetic induction. The primary coil 7 and the secondary coil 8 are flatly and spirally wound in one plane, respectively, (by) making a plurality of parallel conducting wires a set and are twisted at a regular pitch interval along the way. A primary magnetic core 13 and secondary magnetic core 14 on which the primary coil 7 and the secondary coil 8 are disposed are made of ferrite and the like and are formed in a tabular shape. Outer surfaces of the primary coil 7 and the primary magnetic core 13 and outer surfaces of the secondary coil 8 and the secondary magnetic core 14 are covered and secured by molded resin 17, respectively. Foamed materials 18 are mixed in the molded resin 17.

The invention discloses a compensating method and a recovering method of an overlay area, which are used for realizing the energy saving and the compensation between nodes. The overlay compensating method comprises the following steps of: judging whether a toggle condition for starting an energy saving compensating process is met according to a preset energy saving compensating strategy; when the toggle condition for starting the energy saving compensating process is met, carrying out energy saving operation in the energy saving compensating process by one of a first node and a second node, and carrying out compensating operation in the energy saving compensating process by the other node, wherein the first node is a compensating node, the second node is an energy saving node, or the first node is the energy saving node, and the second node is the compensating node. The invention also discloses a device for implementing the compensating method and a device for implementing the recovering method.

The invention relates to a super capacitor energy-storage type elevator driver which mainly comprises a diode three-phase uncontrollable rectifier, a three-phase inverter, a three-phase alternating current variable-frequency motor, a voltage-stabilizing filter capacitor, a super capacitor group, a first current limiting circuit, a second current limiting circuit, a direct current side voltage detecting circuit, a super capacitor group end voltage detecting circuit, a super capacitor group current detecting circuit, a signal conditioning circuit and a set of driving and controlling circuits, wherein the diode three-phase uncontrollable rectifier is connected with a three-phase electric network, the three-phase inverter comprises IGBT (Insulated Gate Bipolar Transistor) antiparallel diode moulds, and DSP (Digital Signal Processing) is used as the control core of the set of driving and controlling circuits. The invention changes the energy-saving scheme of feeding braking energy back to the electric network, energy is stored in the super capacitor group, and on-the-spot utilization is realized, thereby not only more conveniently and efficiently realizing energy saving, but also lowering the cost of the elevator driver, improving the operating safety of an elevator, and achieving popularization and application values.

The invention provides a swing drive device that is capable of energy conservation by limiting loss of hydraulic fluid pressure energy resulting from discharge of the hydraulic fluid pressure energy as thermal energy into the air during acceleration or deceleration of swinging action and transforming motion energy to electric energy during deceleration of swinging action, and also enables cost reduction by making components and parts compact.

The invention provides a channel detection method and system, a base station and a terminal used when an LTE system works at an unauthorized frequency band. The channel detection method includes the following steps that a channel monitoring subframe taking a first period as a channel state monitoring period is arranged in a frame structure of the LTE system; whether the number of times of the situation that channel states continuously detected by the channel monitoring subframe are busy states reaches a preset number of times is judged; when it is determined that the number of times of the situation that the channel states continuously detected by the channel monitoring subframe are the busy states reaches the preset number of times, the detection period of the channel monitoring subframe is adjusted into a second period longer than the first period. According to the technical scheme, under the premise that normal work of the LTE system at the unauthorized frequency band is guaranteed, the LTE system can be prevented from generating larger interference in other systems when working at the unauthorized frequency band, and meanwhile the power consumption of the terminal and/or the base station is reduced when channel detection is executed.

The invention relates to a commercial building central air-conditioning load control system interacted with power grid and a method thereof. The system comprises a data acquisition device, a controllable load calculation device, a control strategy generation device, a strategy plane expert base, a control strategy execution device, a display interface device and an alarm processing device, wherein the controllable load calculation device, the data acquisition device and the control strategy execution device respectively communicate with terminal equipment. Bidirectional interaction between commercial building central air-conditioning and the power grid is realized, so that power supply enterprises can formulate a reasonable load control plan according to the controllable load capacity fed by each commercial building central air conditioner, and the peak clipping function of the commercial building central air-conditioning on the power grid is fully utilized; and moreover, the commercial building central air-conditioning fully exerts demand-side response, the suitability of a building environment is guaranteed, energy conservation of the commercial building is realized, and the economical efficiency of overall power consumption is improved.

The invention relates to a load-prediction-based control system and method for a heating ventilation air-conditioning system. On the one hand, the load-prediction-based control system (CS) for the heating ventilation air-conditioning system is provided. The control system comprises a foundation database (10), a sensing system (20), a load predication part (30) and a central controller (40), wherein the foundation database is used for storing data related to the heating ventilation air-conditioning system, the sensing system is used for providing measured data related to the heating ventilation air-conditioning system, the load predication part is used for calculating a predicted load value of the heating ventilation air-conditioning system, and the central controller is used for calculating actual load capacity of the heating ventilation air-conditioning system on the basis of the measured data. The central controller sends out a control command for controlling operation of the heating ventilation air-conditioning system on the basis of the difference value of the predicted load value and the actual load capacity. According to the load-prediction-based control system and method, stable and optimized energy saving control over the heating ventilation air-conditioning system can be achieved.

The invention discloses an energy-saving light regulating control system and method for LED tunnel lamps. The system comprises a plurality of tunnel lamps used for tunnel illumination. The system is also provided with a central system used for controlling the on/off and brightness regulation of the tunnel lamps. The central system also connects and controls a plurality of regional PLC controllers; each regional PLC controller connects and controls at least one LED tunnel lamp within a distance inside the tunnel, and is used for regulating the brightness of the LED tunnel lamps of each section; and the central system is also connected with a first brightness sensor used for acquiring the brightness outside the tunnel and a second brightness sensor used for acquiring the brightness inside the tunnel. As the system and the method adopt the central system for the group control on the LED tunnel lamps in the tunnel, the system and the method realize the energy-saving and intelligent control of the LED tunnel lamps by combining the feedback of the brightness outside the tunnel and regulation results.

The invention discloses a polyvinylidene fluoride hollow fiber film and a preparation method thereof. The polyvinylidene fluoride hollow fiber film comprises the following components by weight percent: 20-60% of polyvinylidene fluoride resin, 10-50% of organic pore-forming agent, 1-30% of inorganic pore-forming agent and 5-30% of solvent. The preparation method comprises the following steps: mixing, squeezing, cooling, stretching, extracting the organic pore-forming agent and the inorganic pore-forming agent, and thermally shaping. The obtained polyvinylidene fluoride hollow fiber film has the advantages of high strength, good performance, better hydrophilicity, simple preparation process and energy saving.

The invention relates to the technical field of steam generators, in particular to a steam generator of an annealing furnace and a control method thereof. The steam generator of the annealing furnace comprises an electric heating device twisted with resistance wires, a built-in dry combustion liner, a PLC controller, a water supply device, a thermocouple, and a steam distributor communicated with an inner chamber of a steam oven. The steam generator of the annealing furnace can better utilize heat brought by wires, avoids the waste of water and electric energy caused by overflow, improves the stability of steam, simplifies structure, is easy to operate, and reduces manufacturing cost and maintenance cost.

The invention relates to a vehicle emission remote monitoring system based on OBD (on-board diagnostics) detection data. The system comprises a data processing unit, a network communicating unit and a remote monitoring client side. On the basis of a KWP 2000 protocol, data flow and a fault code communication algorithm of a data processing unit and an on-board ECU (electronic control unit) are completed, data flow and fault information, such as oxygen sensor signals, accelerated speed, engine loads, engine rotating speed, the fuel-injection quantity and the actual air-fuel ratio affecting an exhaust emission system are extracted, abnormality of the data flow and the system fault content are analyzed, related information is transmitted to the remote monitoring client side with a wireless communication technology, then the working state of a corresponding system part is recognized and diagnosed, and alarm information is sent to an on-board terminal according to the abnormal emission condition, so that vehicle traveling parameters are remotely monitored, and information is fed back.

The invention discloses a method for matching a dynamic system of an engineering vehicle, which uses an electrically-controlled engine, wherein the engine demarcates engine power and engine torque under different working conditions. The method comprises the steps: obtaining current working condition of the engineering vehicle, including current load state; according to the current working condition, switching output torque of the engine to demarcated torque of the engine corresponding to the current working condition so that the engine operates on an external characteristic curve of the engine corresponding to the current working condition. The invention can provide corresponding power output under different load states so as to realize the effects of energy conservation and environmental protection. The invention also discloses a matching system for the dynamic system of the engineering vehicle.

The invention relates to an AP (access point) transmitting power optimization method based on energy conservation and interference avoidance in a green WLAN (wireless local area network). The AP transmitting power optimization method is used for solving the problems of energy waste caused by the dense deployment of APs and the superposition of coverage areas, and the influence of common-frequency components on the communication quality in the WLAN. The AP transmitting power optimization method comprises the following steps of: determining the number of the APs required to be used for realizing WLAN full coverage according to the WLAN and the coverage range of a single AP with default transmitting power; clustering the APs with the dense deployment in the WLAN by adopting a fuzzy K-mean clustering method or a neural network method or other methods; selectively closing the majority of APs according to a clustering result, realizing WLAN wireless signal full coverage by the remainder minority of the APs, and forming an AP distribution structure simultaneously, namely, initializing an AP transmitting power optimization algorithm; repeatedly calculating the repeated coverage degree of each AP coverage area, and arraying the coverage areas; and controlling the AP transmitting power to reduce the coverage radius of each AP, so as to realize the purposes of energy conservation and interference avoidance of the APs.

The invention relates to a system containing a cogeneration unit and a pure condensing steam thermal power unit, comprising the cogeneration unit, the pure condensing steam thermal power unit, an air-conditioner heat pump, an electric energy meter, a radiator, a heat consumed meter and a scheduling control device, wherein the scheduling control device is used for collecting power consumption data detected by the electric energy meter and heating consumption data detected by the heat consumed meter to obtain a scheduling control signal and controlling the running of the cogeneration unit, the pure condensing steam thermal power unit, the air-conditioner heat pump and the radiator. Aiming at energy conservation scheduling during the off-peak period of electric load and energy conservation peak regulation during the low ebb period, the invention performs optimum allocation and control of heating demand and electricity output so as to reduce total energy consumption, thereby achieving the purpose of energy conversation.

The invention relates to the intelligent control technology, in particular to an energy-saving method and system for a central air conditioner. The energy-saving method includes main steps that: working parameters of the air conditioner are collected through a data collection module, simultaneously human body information and environment information are collected through a sensor device, the collected information is transmitted to a cloud platform to be analyzed, whether the current operation parameters of the air conditioner are reasonable is judged, and if the current operation parameters are reasonable, the operation parameters of the central air conditioner are set according to the human body information and the environment information, and control signals are transmitted to the central air conditioner; the central air conditioner adjusts the working mode according to the control signals; and the result is fed back to a user through a display terminal. The energy-saving method and system for the central air conditioner have the advantages of achieving energy saving, simultaneously being capable of performing real-time monitoring, accordingly timely giving scale cleaning prompts, achieving further energy saving and being capable of being integrated with other systems conveniently and capable of being used by users conveniently, and furthermore is especially applicable to the central air conditioner.

The invention discloses a slag metallurgy smelting reduction production method and belongs to the field of non-blast-furnace ironmaking and comprehensive utilization of resources. The molten state is kept by adding a reducing agent and iron-containing materials in reaction slag, and smelting reduction ironmaking is performed; the requirements of temperature, alkalinity and sufficient mixing are met in the reacting process, the slag obtained through a reaction is treated; the reduced slag can serve as a cement adding agent and a cement adjusting agent or directly serves as cement clinker; other components can also be added to produce cement clinker high in additional value, and efficient and comprehensive utilization of resources is achieved; and the method is a new smelting reduction ironmaking method. The method is short in reaction time, high in metal recycling rate, low in production cost, high in raw material adaptability, large in treatment amount, environment-friendly and high in economic benefit, is a new smelting reduction ironmaking process, and can effectively solve the metallurgy resource recycling problem.

The invention relates to an architectural indoor environment monitoring, feedback and control system and method based on group satisfaction degree customization and energy conservation. According to the main objective and core of the system and method, architectural indoor environment quality customization is achieved based on environment requirements fed back by user groups in real time, and meanwhile energy conservation is achieved. The system comprises an indoor environment monitoring system, a locating and indoor environment satisfaction degree feedback system based on the mobile internet, an indoor environment control system and a server. The indoor environment monitoring system can monitor and feedback various indoor environment parameters in real time. The locating and indoor environment satisfaction degree feedback system based on the mobile internet can precisely locate indoor personnel, indoor environment satisfaction degree voting is carried out through mobile APPs, the real real-time environment feeling of the masses and objective environment monitoring data are fed back to users and voters in time, and therefore indoor environment is optimized and adjusted in time, and the feeling and satisfaction degree of the user to the indoor environment are improved.

The invention discloses a data center energy saving system and a method. The system comprises a plurality of intelligent power distribution cabinets, a plurality of air conditioners, a plurality of ventilation floors and a plurality of cabinets, the intelligent power distribution cabinets, the air conditioners, the ventilation floors and the cabinets are arranged in a data center, a plurality of servers are arranged in the cabinets, corresponding collecting devices are arranged in the data center and used for collecting corresponding data and uploading the collected data to a background, the background firstly establishes a three-dimensional model, a load power utilization and energy efficiency model, a line loss measurement model and a power quality measurement model of the data center according to the collected data, then the background draws a humiture cloud picture through modeling analysis and simulates a cool air flow distribution picture of the whole data center through a computational fluid dynamics (CFD) technology, and finally existing energy efficiency optimization scheme libraries in the background are integrated to determine an energy saving scheme. On the premise that stable and efficient operating of the data center is guaranteed, energy saving is achieved, and simultaneously, after energy saving measures are taken, energy-saving effects of the whole data centerand whole operating conditions of the data center are real-timely estimated to achieve the optimum.

The invention relates to an optimal control method and a device for a water system of an air conditioning, which belongs to the field of building energy conservation and green air conditionings. In the invention, according to the measured pressure difference between the inlet and the outlet of a water pump, a certain algorithm is utilized to work out the flow rate of the water pump and the resistance characteristic value of the water system, and the frequency of the water pump is regulated so that the resistance characteristic value of the water system is kept within a certain range. The range of the resistance characteristic value is the system resistance characteristic value when the end valve of the water system is opened. The invention can overcome the defects of high cost for a flow sensor, which is installed in a real water system and is used for controlling the real system, and inaccurate measurement due to insufficient space and position for field installation; And the invention can overcome the defect of high energy consumption of a constant-speed pumping system under the loading condition at the end of the air conditioning, and the defects of high energy consumption and insufficient end cold energy of the constant-speed pumping system due to the unreasonable arrangement position and the unreasonable set value of a pressure difference control point. The invention is suitable for primary pump chilled water systems, secondary pump chilled water systems and air conditioning hot-water systems.