37results about How to "Reduce ineffective energy consumption" patented technology

The invention relates to relates to a method for pretreating cellulosic biomass, which comprises the following steps: before or after the cellulosic biomass is mechanically crushed, or when the cellulosic biomass is mechanically crushed, the cellulosic biomass is contacted with a chemical drug capable of degrading the cellulosic biomass, and the heat generated due to mechanical crushing is used for increasing the temperature of a mixture of the cellulosic biomass and the chemical drug.

A multistage distributed water pump heat supply system and a design method thereof relate to a heat supply system and the design method thereof. The system and the method aim at resolving the problem that a traditional direct connection type central heating system is large in ineffective energy consumption, hydraulic power work conditions are mutually coupled, hydraulic power work conditions of a distributed frequency conversion water pump system are coupled and cannot meet the requirement for system extension or load change, balance of hydraulic power of heat users before zero-pressure different point is damaged, and the existing heat supply system adopting a voltage sharing tank is large in ineffective energy consumption and large in voltage sharing tank diameter. The multistage distributed water pump heat supply system comprises a heat source, a heat source position circulation water pump unit, a water supply pipe, a water return pipe and a multistage distribution station. Each-stage distribution station comprises a decoupling tube, a classification pressurization pump and at least one secondary net loop. Each secondary net loop is composed of a heat user pressurization pump and at least one heat user. Decoupling pipes of the multi-stage distribution station are arranged in parallel. The multistage distributed water pump heat supply system is used for centralized heat supply.

The invention discloses a distributed water mixing and pressurized heat supply system having a decoupling function and a design method of the system, relate to a heat supply system and a design method thereof, and aims to solve the problems of high invalid energy consumption and mutual coupling of hydraulic regimes existing in the conventional directly-connected centralized heat supply system, the problems of mutual coupling of hydraulic regimes and poor system adaptability existing in a distributed pump system, the problems of mutual coupling of hydraulic regimes and the presence of invalid energy consumption existing in the conventional water mixing system, and the problems of high invalid energy consumption and large diameter of an equalizer tank existing in an equalizer tank system. The distributed water mixing and pressurized heat supply system comprises a heat source, a heat source circulating water pump set, a water supply pipeline, a water return pipeline and three types of heat users, wherein the inlets of a first type of heat supply network users are provided with water mixing pumps and differential pressure valves; the inlets of a second type of heat supply network users are provided with water mixing pumps, booster pumps and decoupling equipment; and the inlets of a third type of heat supply network users are provided with water mixing pumps. The distributed water mixing and pressurized heat supply system is applied to heat supply systems.

The invention discloses a hybrid miniature car adopting electric and fuel oil power drives which can be mutually converted. The hybrid miniature car which is provided with a lead-acid storage battery can run 60-70km on a single charge, and the route of the hybrid miniature car can be increased to 200km with the adoption of the fuel oil drive; the hybrid miniature car has a weight of about 300kg and can hold 5 persons; the hybrid miniature car is provided with three forward gears, one neutral position and one reverse gear and has a maximum velocity of 80km; a push-pull type door (8) is arranged at each of two sides of a closed cab of the hybrid miniature car; a rotary driver seat (7), a folding table (10), two bilateral folding seats (9), a twin seat (11), a heating installation, and the like are arranged in the cab; a shock fork (5) for installing front wheels (6) is assembled with a frame sleeve (4) and linked with a steering wheel (1) via a universal shaft (2) and a link mechanism (3); a wheel stand (13) for installing back wheels (17) is assembled with a frame via a pin shaft (12) and a shock absorber (19); a direct-current motor (16) and a gasoline engine differentially drive two back wheels respectively via a belt, a power conversion device (15), a transmission (14), a differential mechanism and left and right universal shafts thereof; and left and right service brakes are respectively braked via a brake pipeline, a balanced brake and front and back wheel expansion brakes.

The invention discloses a pump-controlled hydraulic transmission system applied to an exoskeleton robot. The pump-controlled hydraulic transmission system comprises a servo motor, a bidirectional hydraulic pump, a flow match valve, a power-assisted function switch valve, an oil cylinder and an oil container. The servo motor is adopted to drive the bidirectional-rotation hydraulic pump, reversing and speed adjusting of an executing mechanism are achieved through adjustment of the motor rotation direction and rotation speed, the demand pressure of the executing mechanism is matched with the workpressure of the hydraulic pump in real time, unavailable energy consumption is small, and the transmission efficiency can be improved substantially.

The invention provides a directed spanning tree cross-layer communication method based on power control, which is characterized in that the method comprises the following steps: first, establishing adirected spanning tree model based on geographical position information; and second, establishing a cross-layer node transmission power control model and solving an optimal node transmission power solution set. The invention adopts a directed spanning tree algorithm to solve the problem of invalid energy consumption in the data transmission process and controls the transmission power of nodes to reduce the network communication competition intensity. Compared with other schemes in the same field, the invention can effectively balance the energy consumption and the reliability of the network communication and meets the requirement of long-time high robustness of a wireless sensor network.

The invention discloses an efficient energy-saving air energy water heater. The efficient energy-saving air energy water heater comprises an evaporator, a compressor, a condenser, a filter and an expansion valve which are connected in a circulating mode through a refrigerant pipeline, and further comprises a water tank, a plurality of partitions, and a condensing tube, wherein a hot water outlet tube is arranged at the upper end of the water tank; a cold water inlet tube and a refrigerant inlet are arranged at the lower end of the water tank; the upper end of the cold water inlet tube communicates with a spherical part; a first sleeve sleeves the cold water inlet tube; a second sleeve sleeves the first sleeve; the partitions are used for dividing the inner part of the water tank into a plurality of spaces, and an arc-shaped hole is formed in each partition; the condensing tube passes through the partitions from bottom to top, the part, positioned in each space, of the condensing tube communicates with a first branch tube; and the first branch tubes extend out of the water tank and communicate with a second branch tube outside the water tank. According to the water heater disclosedby the invention, the spherical part, the first sleeve and the second sleeve are equipped with a plurality of guide holes for reducing flow speed of cold water entering the water tank, so that mixingspeed of original hot water in the water tank and cold water is reduced, and a hot water utilization rate is increased.

The invention relates to a bright isothermal normalizing production system which comprises a feeding table, a normalizing heating furnace, a sealed fast cooling chamber, an isothermal furnace, a water cooling chamber and a discharge table, wherein, the feeding table, the normalizing heating furnace, the sealed fast cooling chamber, the isothermal furnace, the water cooling chamber and the discharge table are sequentially connected to form a run-through inner cavity inside; a front vacuum chamber is arranged between the feeding table and the normalizing heating furnace, a transition chamber is arranged between the normalizing heating furnace and the sealed fast cooling chamber, a rear transition chamber is arranged between the sealed fast cooling chamber and the isothermal furnace, and a rear vacuum chamber is arranged between the water cooling chamber and the discharge table; sealing doors are respectively arranged at openings at two ends of the normalizing heating furnace, the sealed fast cooling chamber, the isothermal furnace, the front vacuum chamber and the rear vacuum chamber; and a water cooling chamber door is arranged at the end face of the opening of the water cooling chamber close to the rear vacuum chamber. The production system has the beneficial effect of no oxidization of the heat treated products, small hardness scattering difference, saving energy and materials, solving the problems of unstable product quality and severe burning loss and oxidization of steel products. The bright isothermal normalizing realizes the ideal effect of high quality, energy and materials saving, and environmental protection.

The invention provides a frequency converting control method, a controller and a refrigerator. The frequency converting control method comprises the steps that the operation frequency of a compressor is acquired; whether the operation frequency of the compressor is larger than the preset threshold value or not is judged; and if yes, the operation frequency of the compressor is controlled in a second frequency converting control mode, and if not, the operation frequency of the compressor is controlled in a first frequency converting control mode. The first frequency converting control mode is a control mode for reducing energy consumption, and the second frequency converting control mode is a control mode for reducing noise. According to the frequency converting control method, the different frequency converting control modes are adopted according to the different operation frequencies of the compressor, accordingly, energy consumption or noise within the refrigerator operation period is reduced according to the need as far as possible, the loss of the refrigerator during low-frequency stable operating is small, and the overall energy efficiency of the refrigerator is good; and meanwhile, the noise is lowered when the refrigerator operates at the high frequency under the condition that the demand for the refrigerating capacity is large, and the noise situation of the refrigerator is improved.

The invention discloses a point-to-point unmanned transportation system and a use method thereof. The system comprises more than one platform, wherein the platforms are connected through a traveling track (1), and electric cars (2) capable of reaching each platform along the traveling track (1) are connected to the traveling track (1); each platform comprises a parking track (3) capable of sequentially parking more than one electric car (2), and the parking tracks (3) are connected with the traveling track (1) through reversing mechanisms (4); the parts, on branch roads, of the traveling rail(1) are also connected through the reversing mechanisms (4). The system has the advantages of being high in operation efficiency, low in cost, high in flexibility, economical, capable of saving energyand convenient to use.

The invention provides a load-sensitive controllable driving structure. The load-sensitive controllable driving structure comprises a friction component, wherein the friction component is coaxially connected with a non-return component in series, the friction component and the non-return component are in transmission through an outer rotating shaft, and the rear end of a spindle in the friction component is rotationally fixed to the rear end of the non-return component through a tail bearing; and two stages of gears are arranged in the non-return component, a friction plate is arranged between transmission structures of the two stages of gears, one stage of gear drives the spindle to rotate, and the other stage of gear is rotationally installed on the spindle. According to the load-sensitive controllable driving structure, load can be converted into self-locking torque, the efficiency of the transmission structures is effectively improved, invalid energy consumption of a system is reduced, and higher loading capacity and lower system power consumption can be obtained under the condition of the same size and weight; and the problems that an existing transmission mechanism with a self-locking structure is low in efficiency, large in power consumption, large in heat emission and short in system service life are solved.

The invention discloses a control system for a blue-green algae salvage robot and a control method thereof, and belongs to the technical field of blue-green algae salvage. When the robot works in the cleaning area, a blue-green algae mixture enters the robot through the feeding port to complete the collecting action, in order to improve the cleaning efficiency of the robot, when the blue-green algae mixture is collected, the air exhaust mechanism is started to assist in collecting the blue-green algae mixture, and the blue-green algae mixture flowing into the robot flows inwards through the flow inlet channel; a plurality of permeation holes are formed in the tail part of the inflow channel, water in the blue-green algae mixture flows into the drainage area through the permeation holes, and the blue-green algae solid enters the packaging box, so that simple dry-wet separation is realized; the opening and closing mechanism is installed in the shell, the rhizomes of the blue-green algae can be cut off, and the situation that clamping stagnation affects the follow-up blue-green algae collection action is prevented.