65results about How to "Improve the level of energy saving" patented technology

The invention provides a BIDA integral engineering technology system, and belongs to the technical field of construction engineering. According to the technical system, a BIM model is used, refined family library building according to a construction sample, BIM model building for deep design, prefabricated processing segmentation and grouping, processing detailed diagram drawing, factory prefabrication processing, field assembly and debugging and acceptance check are performed. The BIM technology is used in the whole process for guiding the application. The technical system is favorable for engineering construction efficiency improvement and labor release. Through the standardized design, preassembled part factorized production and mechanical construction, the construction period is greatly shortened; in addition, the construction people number is reduced to a great degree; the work productivity is improved; the labor cost is reduced; and the energy source saving, resource saving and environment pollution reduction are facilitated. The engineering quality and construction safety improvement is facilitated; and the industrialization level improvement is facilitated.

The invention discloses a high-performance two-component polyurethane external thermal insulation anti-crack leveling mortar which is prepared by mixing a component A and a component B, wherein the component A comprises the following compositions in percentage by weight: 60 to 80 percent of gelled materials, 20 to 30 percent of aggregates and 0 to 10 percent of functional admixtures; and the component B is water repellents. The construction method of the mortar comprises the following steps: mixing the component A and the component B; adding an appropriate amount of water in the obtained mixture; and uniformly stirring the obtained object until the obtained object reaches the consistence suitable for mechanical spraying or manual construction, namely, the obtained object can be subject to mechanical spraying or manual construction. The external thermal insulation anti-crack leveling mortar of the invention has the advantages of low water absorption rate, low modular ratio, high caking property and stable performance; and the interface processing carried out on a polyurethane insulation coating can be omitted, and the quality problems that a polyurethane external thermal insulation system is easy to produce crazes and hollowing, and the like can be solved.

An oil-electric combined charge long-distance all-electric ship with storage battery is disclosed, a pilothouse of a ship body is inside provided with a console, an electric propulsion device is arranged at stern, a battery pack is mounted at the bottom of the ship body, and the ship body is also provided with a thermoelectric generating set that is connected with a distribution board having a rectifier. By mounting the battery pack and the thermoelectric generating set on the ship, the invention can utilize two energies including shore power and high energy fuel, and can sufficiently utilize clean energy at locations where the shore power is present, in order to reduce smoke dust, noise, odor and oil/water pollution and to improve working environment on the ship. The invention regards the high energy fuel and the shore power as a composite energy to achieve energy balance, forms a ship electric station with the storage battery centered in a charging way in order to realize full-power propelling, and integrates the advantages of storage battery electric ship and traditional internal combustion engine ship with a view to double index of environment protection and energy conservation as well as endurance. The invention has the characteristics of accuracy control, high endurance, environment protection, energy conservation, and simple and convenient management and operation, and is the electric ship similar to oil-electric hybrid electric vehicle.

The invention discloses an intelligent double-vortex-tube refrigerating and heating system. The intelligent double-vortex-tube refrigerating and heating system is mainly composed of a flow regulating valve, a main vortex tube, an auxiliary vortex tube, an air inlet valve, a main refrigerating coefficient control valve, an auxiliary refrigerating coefficient control valve, a hot air current temperature sensor, a cold air current temperature sensor and a controller, and the controller is used for regulating and controlling the main refrigerating coefficient control valve and the auxiliary refrigerating coefficient control valve according to temperature information; the controller is used for opening or closing the air inlet valve according to flow opening data, so that the auxiliary vortex tube stars or stops working. By means of the characteristics that the vortex tubes integrate refrigerating and heating and the refrigerating capacity is identical to the heating capacity, accurate control over refrigerating air current temperature and heating air current temperature of the vortex tubes is achieved through a control system, automatic control over cold air currents and hot air currents is achieved through an automatic air current distributor, diversified application and high-degree integration are achieved, and the intelligent double-vortex-tube refrigerating and heating system has the advantages that multiple purposes are achieved, the total use amount of compressed air is reduced, the utilization rate of the refrigerating capacity and the heating capacity of the small vortex tubes is increased, and the energy saving level is improved.

The invention discloses a low-grade thermal compound driving refrigerating system for a large data center, which is characterized by comprising an injection compression refrigerating unit, a data center waste heat heating unit and a solar heat collecting unit, the data center waste heat heating unit and the solar heat collecting unit are respectively arranged on the injection compression refrigerating unit, and the data center waste heat heating unit is connected with the solar heat collecting unit. And a refrigerant of the injection compression refrigeration unit can be heated through the solar heat collection unit and the data center waste heat temperature rising unit. Solar energy and waste heat generated by a large data center are fully utilized, composite use of solar energy and waste heat is achieved, the use category of low-grade heat is expanded, and the operation range, efficiency and reliability of an injection-compression refrigeration system are enhanced.

The invention relates to an air conditioner connecting pipe, which is respectively connected with refrigerating system pipelines of an indoor machine and an outdoor machine of an air conditioner and is formed from a steel pipe and copper pipes by welding; and the two ends of the steel pipe are respectively welded to one copper pipe. In the air conditioner connecting pipe manufactured from the steel pipe and the copper pipes by welding, has simple structure, is easy to implement. By the invention, the requirements of refrigerating equipment on physicochemical performances of a connecting piece such as high strength and corrosion resistance and the like can be met, and the material cost and the manufacturing cost of the connecting pipe can be greatly reduced, wherein the price of materials is only about one tenth of that of the copper pipes, therefore, the market competitiveness of the air conditioner connecting pipe is improved.

The invention discloses self heat-insulation recycled concrete substituted by all recycled coarse aggregate and application thereof, water of 304-320 kg/m<3>, cement of 425-525 kg/m<3>, tailing micro powder of 25-83 kg/m<3>, recycled coarse aggregate of 936 kg/m<3>, natural river sand of 187-250 kg/m<3>, recycled fine aggregate of 62-125 kg/m<3>, glass beads of 165-220 kg/m<3> and a water reducing agent of 1.74-2.56 kg/m<3> are raw materials, and the recycled concrete which is low in heat conductivity and good in heat insulation effect is prepared. The obtained concrete is used for manufacturing self heat-insulation recycled concrete blocks, cast-in-place concrete partition walls, bearing walls, prefabricated low-diathermancy walls and plates and the like, and good economic benefits can be obtained.

The invention discloses a combined type fabricated wall body and relates to the fabricated wall body used for an assembly type house. The combined type fabricated wall body is simple in structure, convenient to mount, low in cost and high in comfort degree and comprises an outer wall plate and an inner wall plate which are of the same structure and are arranged oppositely. Plug pieces are arranged on the left and right sides between the outer wall plate and the inner wall plate correspondingly and mounted at the left and right ends of the outer wall plate and the inner wall plate correspondingly. Connecting pieces are mounted on the outer sides of the plug piece on the left side and the plug piece on the right side correspondingly. The left connecting piece and the right connecting piece can be structurally butted with each other. A cavity is defined by the outer wall plate, the inner wall plate and the two plug pieces jointly. A heat preservation plate is arranged in the middle in the cavity. The cavity is further filled with a foaming material. The outer surface of the outer wall plate is a co-extrusion decoration face, and the inner surface of the inner wall plate is an inner decoration face.

The invention relates to a method for evaluating the separation effect of a coarse powder separator during mixed coal milling. The method comprises the steps: evaluating the separation effect of the coarse powder separator during mixed coal milling according to the amount of coarse pulverized coal in fine pulverized coal at an outlet of the coarse powder separator before entering the next processor the amount of fine pulverized coal in the coarse pulverized coal returned to a coal mill, wherein before entering the next process, the smaller the amount of the coarse pulverized coal in the finepulverized coal at the outlet of the coarse pulverized coal separator is, the better the separation effect of the coarse pulverized coal separator is; the smaller the amount of the fine pulverized coal in the coarse pulverized coal returned to the coal mill is, the better the separation effect of the coarse pulverized coal separator is. According to the invention, the test time is shortened, and the field coordination workload of the outlet pulverized coal fineness test of the coarse powder separator is reduced; the test boundary conditions are simplified, the test cost is reduced, the changerule of the performance of the coarse powder separator in the transformation or overhaul period can be known, the design, operation and maintenance and transformation work of the power station boilerpulverizing system can be facilitated, and the energy-saving level of the power station boiler pulverizing system can be improved.

The invention relates to a wind power generating system. The wind power generating system comprises a generator set, and further comprises a wind converging zone formed by blocking natural wind with a plurality of high-rise buildings, wherein the generator set comprises a plurality of vertically-arranged generators and an installation rack. The installation rack is formed by installation holes, inside hexagonal bolts, an installation platform, a rear rack, a front rack and expansion bolts. The wind power generating system provided by the invention can enhance the energy saving level of the city by fully utilizing the wind converging effect of the high-rise buildings. The wind converging arrangement method of a plurality of connected high-rise buildings is utilized to enable the wind to converge at the wind converging zone so as to enable the utilization of the wind to be more convenient, so that the generators are driven to generate electricity, the power for work is provided to public facilities in the buildings, and further, the aim of energy conservation and emission reduction can be achieved.

The invention relates to a barrier-free charging LED street lamp illumination method, comprising steps of providing a barrier-free charging LED street lamp illumination system and using the LED street lamp illumination system to illuminate, wherein barrier-free charging LED street lamp illumination system comprises an LED lamp tube, a DSP control chip, a wind speed detector, a solar light intensity detector, a charging device and a lead acid storage battery; the charging device charges the lead acid storage battery; the charged lead acid storage battery supplies electric power to a DSP control chip, a wind speed detector, a solar light intensity detector and an LED lamp tube; the DSP control chip is connected to the wind speed detector and the solar light intensity detector and controls the charging device to charge the lead acid storage battery according to the detection result of the wind speed detector and the solar light intensity detector. Through the invention, the LED street lamp can be charged through various charging modes according to the environment change, and the condition that the LED street lamp is short of power supply is avoided.

The invention relates to a control method for an energy-saving intelligent electro-hydraulic steering system and a system thereof. The control method comprises the steps that (1) the working mode of the energy-saving intelligent electro-hydraulic steering system is determined based on the obtained torque of a steering wheel; (2) if the working mode is a non-assistance mode, the short-circuit duty ratio of the motor is obtained according to the vehicle speed information, and the motor is controlled to generate damping according to the short-circuit duty ratio; (3) if the working mode is an EPS power mode, the three-phase duty ratio of a motor in the EPS subsystem is calculated through a power control algorithm, and a corresponding control signal is output to the EPS subsystem; and (4) if the working mode is an EPS+EHPS power assisting mode, the three-phase duty ratio of an electric pump driving motor in the EHPS subsystem and the opening and closing state of an electromagnetic valve are calculated through a hydraulic power assisting control method, then the electric pump driving motor is driven to generate corresponding torque, and meanwhile opening and closing of the electromagnetic valve are controlled. The method can be widely applied to the field of steering system design.

The invention discloses a distributed electric-thermal coupling energy storage heat supply system. The system comprises a power network, multiple power plants/power stations, power transmission lines and multiple distributed energy storage heat stations; the power plants/power stations are all connected to the power network through the power transmission lines, and the distributed energy storage heat stations are connected with the power network or the power plants/power stations; each distributed energy storage heat station comprises a first-stage electric-thermal coupling energy storage heat exchanger, a first-stage thermal circulation pump, a second-stage heat exchanger, a second-stage thrall circulation pump, a third-stage heat exchanger, a heat supply network circulation pump and connecting pipelines used for being connected to multiple external heat supply network user-side radiators. Compared with a traditional combined heat and power generation heat supply system, the system has the advantages that a large amount of wind power abandoned wind abandoning, photovoltaic light abandoning and thermal power valley redundant electricity is utilized and converted into heat energy through an electric-thermal converter which is resistant to heat storage media such as high temperature oil and soluble salt, and the conversion efficiency reaches 98%.

The invention provides a low-quality emptying steam power generation system. The low-quality emptying steam power generation system comprises a steam turbine, a heat exchange system and a condenser; the heat exchange system is arranged at an inlet of the steam turbine and used for sufficient heat exchange between a low-temperature heat source and an organic working medium, the heat exchange system comprises a preheater, an evaporator and a superheater, the output end of the preheater is connected with the input end of the evaporator through a pipeline, and the output end of the evaporator is connected with the input end of the superheater through a pipeline; and the condenser is connected to an outlet of the steam turbine through a pipeline. According to the low-quality emptying steam power generation system, energy recovery of low-quality steam is finally achieved through the heat exchange system composed of the preheater, the evaporator and the superheater, waste heat widely existing in chemical production can be effectively utilized, the energy-saving level of enterprises can be improved, and the environment can be effectively protected.

The invention relates to a multimode-charging LED (light-emitting diode) street lamp which comprises an LED lamp tube, a wind speed detection instrument, a sunlight intensity detection instrument, a solar cell module and a solar charging controller, wherein the solar charging controller controls the charging mode of the solar cell module when the LED street lamp is charged by the solar cell module; and output data of the wind speed detection instrument and sunlight intensity detection instrument provides a reference signal for switching between solar cell module charging and non-solar cell module charging. The charging mode of the LED street lamp can be adjusted in time according to the change of the surrounding environment, thereby implementing the charging efficiency of the LED street lamp.

The invention provides an assembled wall assembled on the side of a main building structure in a held manner, relates to assembled walls of buildings, and aims to solve the problems that a frame-structure wall has a large amount of thermal bridges, joints are prone to cracking, force bearing capability is low, and energy save and housing industrialization are affected. The assembled wall structurally comprises a main building structure and prefabricated wall boards arranged on the outer side of the main building structure. A concrete board of the main building structure holds the prefabricated wall boards which are connected to the outer side of the main building structure. The joints of the prefabricated wall boards are adhered through elastic sealing adhesive with or without the effect of transmitting the internal force, one kind of the elastic sealing adhesive can be selected or different structures can be selected in different positions. The assembled wall assembled on the side of the main building structure in the held manner is obtained. Energy-saving and heat-insulating effects are improved greatly, assembling speed is high, durability is high, and housing industrialization can be developed.

The invention discloses an LED street lamp illumination method for charging based on environment detection, comprising steps of providing an LED street lamp which is charged based on the environment detection, wherein the LED street lamp comprises an AT89C51 single-chip microcomputer, a wind-speed detector, a sunshine light intensity detector, a charging subsystem and a lead acid storage battery, the charging subsystem is used for charging the lead acid storage battery, the charged lead acid storage battery supplies power to the AT89C51 single-chip microcomputer, the wind-speed detector, the sunshine light intensity detector and an LED lamp tube, the AT89C51 single-chip microcomputer is connected to the wind-speed detector, the sunshine light intensity detector and the charging subsystem, and the electronic system is controlled to charge the lead acid storage battery according to the detection result of the wind speed detector and the sunshine light intensity detector, and using the LED street lamp to illuminate. The invention can provide the most appropriate charging method for the LED street lamp according to the detected results of the wind speed and sunshine intensity of the surrounding environment.

The invention discloses a solar auxiliary heat pump system integrating functions of waste heat recovery and self-cleaning, and belongs to the technical field of solar power generation and heat pump systems. The system comprises a solar cell panel integration device, a direct-fired absorption type heat pump unit and a working condition loop communicating with the solar cell panel integration device and the direct-fired absorption type heat pump unit, the solar cell panel integration device comprises a solar cell panel arranged on two supports through transmission shafts, a heat insulation device arranged at the upper end of the solar cell panel, a transmission device arranged on the supports, an automatic cleaning device arranged on the solar cell panel and a heat exchanger arranged on the back surface of the solar cell panel, and the working condition loop is divided into a summer daytime working condition loop, a summer night working condition loop, a winter daytime working condition loop and a winter night working condition loop. According to the system, the operation cost of the system can be reduced, the heat pump efficiency is improved, extra electric quantity can be created for users, and the power generation efficiency of the solar cell panel is improved.

The invention relates to a novel rectifier bridge for integrating current sampling. The novel rectifier bridge comprises an insulating plastic packaging housing, five terminal pins, four unidirectional conductive chips and a constantan wire. One end of each terminal pin extends into the insulating plastic packaging housing and is connected with a copper substrate. The copper substrate, the unidirectional conductive chips and the constantan wire are packaged in the insulating plastic packaging housing. The copper substrates are separated from one another. The four unidirectional conductive chips are glass-passivated low-power-consumption diode chip. The upper end and the lower end of the glass-passivated low-power-consumption diode chip are electrodes. The surface area of the lower-end electrode is larger than that of the upper-end electrode. According to the novel rectifier bridge, reasonable chip distribution is realized; the large surfaces of the four chips are connected with the heat radiating copper substrate; a welding area and a heat radiating area are effectively enlarged; and quick radiation of heat which is generated in operation of the chip to the copper substrate is realized, thereby effectively reducing working temperature of the chip, improving product reliability and prolonging service life of the rectifier bridge.

The invention discloses a street lamp control method, which comprises the following steps of: when a control instruction is received, obtaining at least one street lamp identification mark corresponding to the control instruction and control information corresponding to the control instruction; obtaining a target communication address corresponding to at least one target street lamp according to the at least one street lamp identification identifier; and generating a remote regulation and control instruction according to the control information, and sending the remote regulation and control instruction to the target street lamp based on the target communication address, wherein when the target street lamp receives the remote regulation and control instruction, operation parameters of the target street lamp are adjusted according to the remote regulation and control instruction. The invention further discloses a control terminal and a computer readable storage medium, and the effect ofimproving the energy-saving performance of the street lamp control scheme is achieved.

The embodiment of the invention provides a multistage grinding machine for producing paint. The grinding machine comprises a feeding hopper, a grinding tank, a motor, a motor controller and a first fineness sensor, wherein the feeding hopper is communicated with the grinding tank; a plurality of sieving nets and a stirring rod are arranged in the grinding tank; the plurality of sieving nets are used for dividing the grinding tank into a plurality of grinding cavities; the stirring rod passes through the plurality of grinding cavities; grinding blades are arranged on the stirring rod; the firstfineness sensor is arranged at a discharging opening of the grinding tank and is used for detecting the discharging fineness and sending the discharging fineness to the motor controller; the motor controller is connected with the motor and is used for adjusting the rotating speed of the motor according to the discharging fineness from the first fineness sensor; the motor is connected with the stirring rod and is used for controlling the stirring speed of the stirring rod. According to the multistage grinding machine for producing the paint, the rotating speed of the motor can be adjusted in real time according to the discharging fineness; the energy-saving level is high.

The invention relates to a light-emitting diode (LED) street lamp lighting system capable of achieving barrier-free charging. The LED street lamp lighting system comprises an LED lamp tube, a digital signal processor (DSP) control chip, a wind velocity detector, a sunlight intensity detector, charge equipment and a lead-acid storage battery, wherein the charge equipment charges the lead-acid storage battery; the charged lead-acid storage battery provides electric power supply to the DSP control chip, the wind velocity detector, the sunlight intensity detector and the LED lamp tube; and the DSP control chip is respectively connected with the wind velocity detector and the sunlight intensity detector, and controls the charge equipment to charge the lead-acid storage battery according to the detection results of the wind velocity detector and the sunlight intensity detector. Through the LED street lamp lighting system, different charge modes can be selected to charge an LED street lamp according to the environment change; and the condition of insufficient power supply for the LED street lamp is avoided.